CN109413993A - Combine harvester - Google Patents

Abstract

The combine harvester of the present application has: travel machine body (1), equipped with engine (7)；Grain box (6) is provided with bottom conveyer (160) inside it；Input side case (166) is set to the grain box opposed with engine (7) (6) front-surface side；And discharge conveyer (8), it is set to grain box (6) back-surface side of opposite side.Discharge conveyer driving band (157) is tensioned and is set between engine (7) and the input belt wheel (169) of input side case (166) by tensioning pulley (156).Tensioning pulley (156) is supported in by tensioner arm (177): being equipped with the engine room frame (145) of engine (7) in inside.The clutch operating portion (155) for swinging tensioner arm (177) is arranged on engine room frame (145) and is attended a banquet (42) rear in driving.

Description

Combine harvester

Technical field

The present application is related to a kind of combine harvester, the combine harvester equipped with: portion is extracted, to not cutting for field Fringe stalk is taken to be extracted；And threshing portion, threshing is carried out to the grain for extracting fringe stalk.

Background technique

In the past, there are following technologies, that is, has: travel machine body, attends a banquet with traveling portion and driving；Device is extracted, It is with cutter；Sheller unit, with thrashing cylinder；Engine drives each section；And grain box, to de- Grain device grain be collected, continuously to field do not extract fringe stalk extracted, threshing (referring to patent document 1~4).

Patent document

Patent document 1: Japanese Unexamined Patent Publication 2011-172536 bulletin

Patent document 2: Japanese Unexamined Patent Publication 2013-074843 bulletin

Patent document 3: Japanese Unexamined Patent Publication 2015-029454 bulletin

Patent document 4: Japanese Unexamined Patent Publication 2014-018164 bulletin

Summary of the invention

Shown in the Patent Documents 1 to 3 in the prior art, in the input side case and input for being set to grain box front-surface side On input shaft between belt wheel, it is supported with tensioner arm, and therefore make on front side of grain box around rear side configured with tensioning pulley The longitudinal axis pretended towards the upkeep operation rotated on the outside of travel machine body or by the group that input side case is assembled in grain box In industry etc., there are the following problems, it may be assumed that tensioner arm is sagging from input side case towards grain box lower section, and tensioning pulley is connected to row Body etc. is sailed, to be easy to cause damage.In addition, there is a problem in that waiting, it may be assumed that need at least with tensioner arm and tensioning Input shaft that the bearing load of belt wheel is measured to ensure input side case accordingly or its bearing it is resistance to loaded, input can not be simplified The construction of side case (input belt wheel supporting part).

In addition, shown in the patent document 4 in the prior art, although the above problem can be eliminated, due to tensioning pulley And tensioner arm is supported on grain box side, in this way, since the weight for being applied to grain box rotating fulcrum is coupled with tension part again Amount, to be necessary to ensure that resistance to loaded at rotating fulcrum.

Therefore, the purpose of the present application is on the basis of having studied above-mentioned status and to provide one kind and implement to change Kind combine harvester.

In order to reach the purpose, the combine harvester of the present application has: travel machine body, equipped with engine； Grain box is provided with bottom conveyer inside it；Input side case is set to the grain box opposed with the engine Front-surface side；And discharge conveyer, it is set to the grain box back-surface side of opposite side, wherein the combining mechanism Become: discharge conveyer driving band be tensioned by tensioning pulley be set to the engine and input side case input belt wheel it Between, the tensioning pulley is supported in by tensioner arm: the engine room frame of the engine is installed in inside, also, It is arranged at the clutch operating portion of the tensioning arm swing: on the engine room frame and is attended a banquet rear in driving.

In above-mentioned combine harvester, it can be formed as such as flowering structure: the clutch operating portion and conveyor operation portion It is set side by side, and the conveyor operation portion is used for the convolution movement to the discharge conveyer and operates.

In above-mentioned combine harvester, it can be formed as such as flowering structure:, will be described in the engine room frame using cover Driving rear area of attending a banquet is covered, and the clutch operating portion is set to the cover upper surface.

It in above-mentioned combine harvester, can be formed as such as flowering structure: be imported into that side of new air with the engine The air cleaner of connection is configured in above the engine and is to drive rear of attending a banquet described, and the cover will be described Air cleaner covering.

In above-mentioned combine harvester, can be formed as such as flowering structure: the engine room frame is in the grain box and institute Stating at the position between engine has a pair of of engine room pillar, and the tensioner arm is pivotally supported by fulcrum bracket in receipts The engine room pillar on the outside of cutting mill.

Invention effect

According to the present application, clutch operating portion is arranged at: the engine room frame being pivotally supported to tensioning pulley, Therefore, power is transmitted from engine to grain discharge conveyer or integrally assembled the clutch mechanism that the transmitting is cut off In engine room frame.Therefore, power or the clutch mechanism that cuts off the transmitting not only are transmitted to grain discharge conveyer Assemblability is improved, and the tune of the active force of the contraposition, tension spring when clutch operating portion and tensioning pulley are linked Whole wait also becomes easy.

According to the present application, in the case where grain is discharged to truck cargo box, container etc. using discharge conveyer, The posture on attending a banquet is driven without drastically changing, just clutch operating portion and conveyor operation portion can be operated, from And it can be improved operability when grain discharge.That is, operator can not only confirm discharge conveying on one side in grain discharge The position of the outlet of machine on one side operates conveyor operation portion, moreover, making discharge conveyer circle round to desired Position after, can discharge conveyer be operated and be come into effect the discharge of grain without changing posture just.

According to the present application, clutch operating portion is configured at the cover upper surface for driving rear of attending a banquet, therefore, operator Member is easy to attend a banquet hand from driving to reach clutch operating portion, and tensioning pulley easy to use carries out engagement disconnection to clutch mechanism Operation.In addition, clutch operating portion be configured to it is more closer to the top than driving the backrest attended a banquet, so that operator is on driving is attended a banquet Without drastically changing posture, just clutch operating portion can be operated.

According to the present application, cover upper surface is configured to be closer to top than air cleaner, so as to by clutch Device operation portion, which is configured that, is closer to top than driving the backrest attended a banquet.In addition, being configured in engine room for sky Air cleaner and by the radiation thermal isolation from engine, further, it is possible to using the space above air cleaner and efficiently Clutch operating portion is configured.

According to the present application, formed are as follows: tensioning pulley is pivotally supported in the structure of engine room pillar, therefore, can Ensure the bearing strength of tensioning pulley.In addition, can make grain box to exhibition on the outside of harvester relative to tensioning pulley and independently It opens, so that grain box front surface realizes lightweight and mitigates the rotating fulcrum of weight load to(for) grain box, and And the slippage of grain box because of caused by self weight forwards can be reduced, so as to which grain box is maintained stable appearance Gesture.

Detailed description of the invention

Fig. 1 is the left view for showing the combine harvester of first embodiment of the invention.

Fig. 2 is the right view of the combine harvester.

Fig. 3 is the top view of the combine harvester.

Fig. 4 is the drive system figure of combine harvester.

Fig. 5 is the perspective view for the combine harvester observed obliquely from the front.

Fig. 6 is the partial cross-sectional top view in threshing portion.

Fig. 7 is to show the overhead sectional view of the structure of engine room and threshing portion.

Fig. 8 is to show the main view of the structure of engine room and threshing portion.

Fig. 9 is to show the hydraulic circuit diagram of the structure of operating system hydraulic circuit.

Figure 10 is the perspective view for the engine room observed from rear ramp.

The perspective view of combine harvester after Figure 11 case that has been grain expansion.

Figure 12 is to show the perspective view of the structure around auger clutch.

Figure 13 is to show the overhead sectional view of the structure around auger clutch.

Figure 14 is to show the front stereogram for the structure for driving surrounding of attending a banquet.

Figure 15 be show drive attend a banquet surrounding structure, from back side top view to perspective view.

Figure 16 is to show the rearview for the structure for driving rear of attending a banquet.

Figure 17 is to show the top view for the structure for driving rear of attending a banquet.

Specific embodiment

Hereinafter, based on the attached drawing (Fig. 1~Figure 10) for being applied to ordinary combine harvester, to realizing the present application The embodiment embodied is illustrated.Fig. 1 is the left view of combine harvester, and Fig. 2 is the right view of the combine harvester, Fig. 3 is the top view of the combine harvester.Firstly, referring to Fig.1~Fig. 3, is illustrated the summary construction of combine harvester.This Left side when outside, in the following description, by the direction of advance towards travel machine body 1 is referred to as left side, similarly, will be towards advance Right side when direction is referred to as right side.

As shown in FIG. 1 to 3, the ordinary combine harvester of embodiment has: by the rubber belt track as traveling portion The pair of right and left of system carries out the travel machine body 1 that with 2 is supported.Portion 3 is extracted by single-acting lifting hydraulic cylinder 4 and can adjust The mode of lifting is assemblied in the front of travel machine body 1, can be on one side to paddy (either wheat or soybean using the portion that extracts 3 Or corn) etc. the fringe stalk that do not extract extracted, be taken on one side.

The left side of travel machine body 1 equipped with: for carrying out threshing processing to the fringe stalk that extracts come from the supply of the portion that extracts 3 Threshing portion 9.It is configured in the lower part in threshing portion 9: for swing the grain sorting mechanism 10 of screening and wind filter.? Equipped with the bridge 5 taken for operator on the right side of the front of travel machine body 1.Engine 7 as power source, which is configured at, to be driven Sail platform 5 (driving attend a banquet 42 lower section).It is configured at the rear (right side of travel machine body 1) of bridge 5: by grain from threshing portion 9 grain boxes 6 taken out and the grain row that the grain in grain box 6 is discharged towards truck cargo box (or container etc.) Conveyer 8 out.It constitutes are as follows: grain discharge conveyer 8 is made to utilize grain discharge conveyer 8 towards tilting action on the outside of harvester By the grain output in grain box 6.

Extract portion 3 to have: feed room 11 is connected to the threshing mouth 9a of 9 front of threshing portion；And horizontally long bucket-shaped cereal Header 12 is set as connecting with the front end of feed room 11.Rake holds together auger 13 (platform-type auger) in a manner of it can rotate It is pivotally supported in grain harvest platform 12.Be configured in the front upper that rake holds together auger 13: the rake with rake-bar holds together reel paddle 14. The cutter 15 of hairclipper shape is configured in the front of grain harvest platform 12.In the left and right sides of 12 front of grain harvest platform, protrusion is set It is equipped with: the grain separating body 16 of left and right.In addition, supply conveyor 17 is set to inside feed room 11.Extract fringe stalk feeding threshing roll 18 (front rotating members) of cylinder are set to the conveying end side (threshing mouth 9a) of supply conveyor 17.In addition, by going up and down with hydraulic Cylinder 4 and by the front end of the lower surface portion of feed room 11 and travel machine body 1 link, using lifting hydraulic cylinder 4 is extracted, make to extract Portion 3 carries out lifting action with aftermentioned extract input shaft 89 (feed room conveyor shaft) for lifting fulcrum.

According to above structure, the fringe for the not extracting fringe stalk slightly side between 14 pairs of reel paddle or so of grain separating body 16 is held together using rake It carries out rake to hold together, using cutter 15, the fringe stalk root side for not extracting fringe stalk is extracted, and driven by the rotation that rake holds together auger 13 It moves and makes 11 entrance of feed room for extracting the left and right width direction central portion that fringe stalk comes together in close to grain harvest platform 12. It constitutes are as follows: utilize supply conveyor 17, all fringe stalks that extract of grain harvest platform 12 are conveyed, and utilize threshing cylinder 18, fringe stalk will be extracted and fed to the threshing mouth 9a in threshing portion 9.In addition, having: grain harvest platform 12 being made to control fulcrum around level The horizontal control hydraulic cylinder (illustration omitted) that axis is rotated, can be using the horizontal control hydraulic cylinder to grain harvest The inclination of the left and right directions of platform 12 is adjusted, additionally it is possible to relative to field ground horizontally to grain harvest platform 12, cutter 15 and rake hold together reel paddle 14 supported.

In addition, as shown in Figure 1, Figure 3, thrashing cylinder 21 is set in the threshing chamber in threshing portion 9 in a manner of it can rotate.It is de- Grain cylinder 21 is pivotally supported in the thrashing cylinder axis 20 (referring to Fig. 4) that extends along the front-rear direction of travel machine body 1.In thrashing cylinder 21 Lower section, tensioning frame is equipped with: so that the bearing net 24 that grain leaks out downwards.In addition, the outer peripheral surface in 21 front of thrashing cylinder, direction Spiral helicine helical-blade sheet is provided projectingly on the outside of radial direction is taken into blade 25.

Pass through threshing on one side for extracting fringe stalk from what threshing mouth 9a was fed using threshing cylinder 18 according to above structure Cylinder 21 rotation and by this extract fringe stalk towards travel machine body 1 rear convey, on one side between thrashing cylinder 21 and bearing net 24 Etc. to this extract fringe stalk be kneaded, threshing.The threshing objects such as grain more smaller than the mesh of bearing net 24 from bearing net 24 to Lower leakage.The stalk that will do not leaked out downwards from bearing net 24 bits etc. are acted on from 9 rear portion of threshing portion by the conveying of thrashing cylinder 21 Dust-exhausting port 23 to field be discharged.

In addition, multiple sending dirt valve (illustration omitted) to what the conveying speed of the indoor threshing object of threshing was adjusted with can The mode of rotation is pivotally mounted on the top of thrashing cylinder 21.It is adjusted by the angle for sending dirt valve to described, it can be according to extracting fringe Kind, the character of stalk, and adjust the conveying speed (residence time) of the indoor threshing object of threshing.On the other hand, as in threshing Portion 9 lower section configuration grain sorting mechanism 10 and have: the swing screening plate 26 of specific gravity screening, the swing screening plate 26 tool Have: grain pan, scalping, grain sieve and single-wide shaker.

In addition, having as grain sorting mechanism 10: screening wind is supplied to the Air Blast fan shape of swing screening plate 26 Fan 29 etc..It constitutes are as follows: for carrying out threshing from the threshing object that bearing net 24 is spilt downwards using thrashing cylinder 21, pass through The wind filter of the fan 29 of the specific gravity screening effect and Air Blast fan shape of swing screening plate 26 act on and by above-mentioned leakage The threshing object screening come be the mixture (goods of inferior quality such as grain with branch stalk) of grain (smart grain waits product a moment), grain and stalk with And stalk bits etc., and taken out.

In the downside of swing screening plate 26, have as grain sorting mechanism 10: Grade A conveying mechanism 30 and two Equal product conveying mechanism 31.By the screening of swing screening plate 26 and the fan 29 of Air Blast fan shape from swing screening plate 26 The grain (Grade A) of landing is collected by Grade A conveying mechanism 30 and conveyer 32 of winnowing to grain box 6 again.Grain and straw The mixture (goods of inferior quality) of stalk is by goods of inferior quality conveying mechanism 31 and goods of inferior quality reduction conveyer 33 etc. and to swing screening plate 26 screening beginning side returns, and is screened again by swing screening plate 26.It constitutes are as follows: by stalk bits etc. after travel machine body 1 The dust-exhausting port 23 in portion is discharged to field.

Also, as shown in FIG. 1 to 3, it is configured in bridge 5: manipulation column 41 and the driving taken for operator Attend a banquet 42.Be configured in manipulation column 41: the revolving speed of engine 7 is adjusted in accelerator rod 40；Circular manipulation direction disk 43, operator changes the travelling route of travel machine body 1 to the manipulation direction disk 43 progress rotation process；44 He of main shift lever Secondary gear lever 45, they switch over the movement speed of travel machine body 1；Clutch lever 46 is extracted, the portion that extracts 3 is driven It moves or stops operation；And threshing clutch bar 47, threshing portion 9 is driven or stopped operation.In addition, constituting Are as follows: the roof body 49 of sunshade is installed in the front upper surface side of grain box 6 by sunshade pillar 48, by sunshade Roof body 49 covers the top of bridge 5.

As shown in Figure 1 and Figure 2, in track frame 50 of the lower face side of travel machine body 1 configured with left and right.It is set in track frame 50 Be equipped with: drive sprocket 51 transmits the power of engine 7 to with 2 is carried out；Idler roller 52 maintains the tension for carrying out with 2；It is multiple Track roller 53, the ground side for carrying out with 2 is held at ground state by them；And intermediate calender rolls 54, to carry out with 2 ungrounded side into Row is kept.It constitutes are as follows: the front side for carrying out with 2 by 51 pairs of drive sprocket supports, and the rear side for carrying out with 2 by 52 pairs of idler roller props up It holds, the ground side for carrying out with 2 by 53 pairs of track roller supports, and the ungrounded side for carrying out with 2 by 54 pairs of intermediate calender rolls supports.

Next, being illustrated referring to drive configuration of Fig. 4~Fig. 8 to combine harvester.As shown in figure 4, having hydraulic The straight trip Hyaulic infinite variable speed device 64 of the traveling speed change of straight trip pump and hydraulic straight trip motor is set to gearbox 63.It is expert at The right side upper surface of 1 front of body is sailed equipped with engine 7, is configured with gearbox in 1 front of travel machine body in 7 left side of engine 63.Belt wheel 69 is inputted by engine output band 67, engine output pulley 68 and speed changer, and will be from gearbox 63 to the left Side transmission input shaft 66 outstanding is linked up with from the output shaft 65 outstanding to the left of engine 7.

In addition, constituting are as follows: the convolution hydraulic stepless of the steering with hydraulic rotary pumps and hydraulic convolution motor becomes Fast device 70 is set to gearbox 63, by transmission input shaft 66, and the output of engine 7 is become towards straight trip hydraulic stepless Fast device 64 and convolution Hyaulic infinite variable speed device 70 transmit, on the other hand, using manipulation direction disk 43 and main shift lever 44 and Secondary gear lever 45 controls the output of straight trip Hyaulic infinite variable speed device 64 and the Hyaulic infinite variable speed device 70 that circles round, borrows Help straight trip Hyaulic infinite variable speed device 64 and convolution Hyaulic infinite variable speed device 70, to left and right shoe with 2 driven and in field Traveling movement is carried out in ground etc..

Also, as shown in Fig. 4~Fig. 8, have: the thrashing cylinder driving box that the front end side of thrashing cylinder axis 20 is pivotally supported 71.Thrashing cylinder driving box 71 is configured at the front-surface side in threshing portion 9.For extracting portion 3 and thrashing cylinder 21 drives to described Thrashing cylinder input shaft 72 be pivotally supported in thrashing cylinder driving box 71.In addition, having: being penetrated through on the left and right directions in threshing portion 9 The main reversing shaft 76 as constant rotary shaft.The right-hand end of main reversing shaft 76 is provided with homework department's input belt wheel 83.It borrows The threshing clutch 84 for being also used as idler roller and homework department is helped to drive band 85, and by the right-hand end and engine of main reversing shaft 76 Engine output pulley 68 on 7 output shaft 65 links up.

It is provided with thrashing cylinder input shaft 72 in the front of thrashing cylinder 21, the left and right directions extension along travel machine body 1 is set It sets；Threshing cylinder 18 is configured on the left and right directions of travel machine body 1；And input shaft 89 is extracted, along travel machine body 1 Left and right directions is extended.It constitutes are as follows: as the threshing for transmitting the driving force of main reversing shaft 76 towards thrashing cylinder input shaft 72 Cylinder input mechanism 90, and have: thrashing cylinder driving pulley 86,87 and thrashing cylinder driving band 88, thrashing cylinder input mechanism 90 are (de- Grain cylinder driving pulley 86,87 and thrashing cylinder drive band 88) it is configured in the 7 side one end of engine of main reversing shaft 76, Lai Zifa The driving force of motivation 7 is transmitted towards main reversing shaft 76, carries out perseverance to thrashing cylinder 21 by the constant rotation output of engine 7 Fixed rotation driving.

The driving force of main reversing shaft 76 to cylinder shaft 82 and is extracted into the threshing cylinder driving that input shaft 89 transmits Mechanism and extract the other end side that driving mechanism is arranged at main reversing shaft 76.In addition, anti-in cylinder shaft 82 and master Be configured between shaft 76: secondary reversing shaft 104 relays belt wheel in the power for being set to main reversing shaft 76 and secondary reversing shaft 104 105,106, dynamic relaying band 113 is wound, is constituted as a result: by power to the power relay facility for extracting driving mechanism transmitting.

Driving pulley 107,108 is extracted be respectively arranged at secondary reversing shaft 104 and cylinder shaft 82, is wound with and cuts Driving band 114 is taken, to constitute threshing cylinder driving mechanism.Moreover, right by the extracting clutch 109 of idler roller is also used as Extract driving band 114 and carry out tensioning setting, will be passed to as a result, the rotary power from engine 7 of main reversing shaft 76 via Power relay facility and threshing cylinder driving mechanism and to cylinder shaft 82 input.In addition, extracting driving mechanism composition are as follows: From the cylinder shaft 82 being pivotally supported to threshing cylinder 18, will be come from via drive chain 115 and sprocket wheel 116,117 is extracted The driving force that extracts of engine 7 is transmitted to input shaft 89 is extracted.As a result, using the constant rotation output of engine 7 to cutting Portion 3 and threshing cylinder 18 is taken to carry out constant rotation driving together.

The arbor 100 of winnowing of the rotary shaft of fan 29 as Air Blast fan shape includes hollow tube shape, main reversion Axis 76 is inserted in the hollow space for arbor 100 of winnowing.I.e., comprising: be made of main reversing shaft 76 and arbor 100 of winnowing dual Axis construction, main reversing shaft 76 and arbor 100 of winnowing are pivotally supported are as follows: are able to carry out relative rotation.In addition, being respectively arranged at pair The fan driving pulley 101,102 of reversing shaft 104 and arbor 100 of winnowing, is wound with: fan drives band 103, thus structure At fan driving mechanism.Therefore, it will be passed to the rotary power from engine 7 of main reversing shaft 76 via power repeater Structure and fan driving mechanism and inputted to cylinder shaft 82, exported using the constant rotation of engine 7, to fan 29 carry out constant rotation driving.

Also, the casing body 9b in threshing portion 9 is in 1 upper surface side of travel machine body, 34 front of threshing casing pillar upper table Surface side, which is provided with, extracts supporting frame 36.It is equipped on the right side of the front surface for extracting supporting frame 36: extracting bearing body 37, It extracts and is equipped on the left of the front surface of supporting frame 36: aftermentioned positive and negative rotation a-b box 121.Moreover, by bearing body 37 is extracted It will extract input shaft 89 with positive and negative rotation a-b box 121 and be pivotally supported as that can be expert at and in the front-surface side for extracting supporting frame 36 It sails 1 right and left of body to be rotated up, also, in the inside for extracting supporting frame 36, it will be left by cylinder bearing body 38 The cylinder shaft 82 (threshing cylinder 18) of right direction is pivotally supported as that can rotate.In addition, thrashing cylinder driving box 71 is installed in The upper surface side of supporting frame 36 is extracted, thrashing cylinder input shaft 72 is pivotally supported in thrashing cylinder driving box 71.

On the other hand, have: the left and right direction driven to the supply conveyor 17 in feed room 11 extracts input Axis 89.The 7 side one end of engine that main reversing shaft 76 is passed to from engine 7 is extracted into driving force again from the phase of engine 7 The positive and negative rotation transmission axle 122 of the other end for the main reversing shaft 76 tossed about towards positive and negative rotation a-b box 121 is transmitted.By positive and negative rotation The forward bevel gear 124 of a-b box 121 or reversion are driven with bevel gear 125 to input shaft 89 is extracted.

In addition, being provided with the thrashing cylinder input shaft 72 of left and right direction on front side of threshing portion 9, master will be passed to from engine 7 The 7 side one end of engine of the driving force of the 7 side one end of engine of reversing shaft 76 towards thrashing cylinder input shaft 72 transmits.Separately Outside, the thrashing cylinder input shaft 72 for being set to 9 front side of threshing portion is configured on the left and right directions of travel machine body 1, on the other hand, is taken off Grain cylinder 21 is pivotally supported in the thrashing cylinder axis 20 that configures on the front-rear direction of travel machine body 1.Moreover, by bevel gear mechanism 75 and 20 front end side of thrashing cylinder axis is linked to left and right directions the other end of 7 opposite side of engine of thrashing cylinder input shaft 72. It constitutes are as follows: from left and right directions the other end of 7 opposite side of engine of main reversing shaft 76, by the driving force of engine 7 towards right The grain sorting mechanism 10 or extract the transmitting of portion 3 that grain after threshing is screened.

That is, by thrashing cylinder driving pulley 86,87 and thrashing cylinder driving band 88 and by the right-hand end of thrashing cylinder input shaft 72 Portion is linked to: close to the right-hand end of the main reversing shaft 76 of that side of engine 7.By bevel gear mechanism 75 by thrashing cylinder axis 20 front end side is linked to: along the left end for the thrashing cylinder input shaft 72 that left and right directions is extended.It constitutes are as follows: will start The power of machine 7 is transmitted via thrashing cylinder input shaft 72 towards the front end side of thrashing cylinder axis 20 from the right-hand end of main reversing shaft 76, Rotation driving is carried out in one direction to thrashing cylinder 21.On the other hand, it constitutes are as follows: by the driving force of engine 7 from main reversing shaft 76 left end is transmitted towards the grain sorting mechanism 10 for being configured at 9 lower section of threshing portion.

Also, band 111 is driven by conveyer and is linked to the left end of main reversing shaft 76: Grade A conveying mechanism The left-hand end of the goods of inferior quality conveyor shaft 78 of the left end and goods of inferior quality conveying mechanism 31 of 30 Grade A conveyor shaft 77 Portion.By swing screening zone 112 and the left end of goods of inferior quality conveyor shaft 78 is linked to: to 26 rear portion of swing screening plate into The left end of the wobble drive axis 79 for the crank-like that row is pivotally supported.That is, by operator to the behaviour of threshing clutch bar 47 Make, and engagement is carried out to threshing clutch 84 and disconnects control.It constitutes are as follows: by the bonding operation to threshing clutch 84, and it is right Each section and thrashing cylinder 21 of grain sorting mechanism 10 are driven.

In addition, being driven by Grade A conveyor shaft 77 to conveyer 32 of winnowing, by Grade A conveying mechanism 30 First-class screening grain collect to grain box 6.In addition, by goods of inferior quality conveyor shaft 78, and conveyer 33 is restored to goods of inferior quality It is driven, so that the second-class screening grain (goods of inferior quality) for being mixed into the stalk bits of goods of inferior quality conveying mechanism 31 is screened towards swing The upper surface side of disk 26 returns.In addition, being set to the construction of dust-exhausting port 23 in the distributor (illustration omitted) that stalk bits disperse In, by distributor driving pulley (illustration omitted) and distributor driving band (illustration omitted) by the left-hand end of main reversing shaft 76 Portion and the distributor link.

Have: the conveyer input shaft being pivotally supported as the conveying end side to supply conveyor 17 extracts input Axis 89.Header drive shaft 91 rotates freely ground axle suspension in the right side back side of grain harvest platform 12.It is driven by extracting Chain 115 and sprocket wheel 116,117 and the left-hand end that the left end of positive and negative rotation transmission axle 122 is linked to cylinder shaft 82 Portion will extract input shaft 89 and be linked to positive and negative rotation transmission axle 122 by positive and negative rotation a-b box 121.In addition, being driven by header It moves chain 118 and sprocket wheel 119,120 and is linked to the right-hand end for extracting input shaft 89: being extended along left and right directions The left end of header drive shaft 91.Have: the rake that auger 13 is pivotally supported being held together to rake and holds together axis 93.Hold together drive chain by rake 92 and by the middle part of header drive shaft 91 be linked to rake hold together axis 93 right part.

In addition, having: holding together the pulling wheel shaft 94 that reel paddle 14 is pivotally supported to rake.By jackshaft 95 and reel paddle Drive chain 96,97 and the right-hand end that rake holds together axis 93 is linked to the right-hand end of pulling wheel shaft 94.Crank is driven by cutter Mechanism 98 and the right-hand end that cutter 15 is linked to header drive shaft 91.It constitutes are as follows: by extracting connecing for clutch 109 Opening operation is closed, and auger 13 is held together to supply conveyor 17, rake, harrows reel paddle 14 and the progress drive control of cutter 15, by This, continuously extracts the fringe for the not extracting fringe stalk slightly side in field.

In addition, forward bevel gear 124 is provided in positive and negative rotation a-b box 121, with 122 shape of positive and negative rotation transmission axle It is integrally formed；Bevel gear 125 is used in reversion, is rotatably freely pivotally supported in extracting input shaft 89；And Intermediate bevel gears 126, reversion is linked together with bevel gear 125 and forward bevel gear 124.Intermediate bevel gears 126 always with rotating forward It is engaged with bevel gear 124 and reversion with bevel gear 125.On the other hand, sliding part 127 sliding freely with extract input shaft 89 Spline, which engages and is pivotally supported, extracts input shaft 89 in this.It constitutes are as follows: by the rotating forward clutch 128 of jaw clutch shape Sliding part 127 can be made to engage in a manner of it can engage disengaging with forward bevel gear 124, and be also configured as: by pawl The reversing clutch 129 of formula clutch shape and can make sliding part 127 in a manner of it can engage disengaging with reversion with cone tooth 125 engaging of wheel.

In addition, constituting are as follows: have the positive and negative rotation switching shaft 123 for carrying out slide to sliding part 127, switch in positive and negative rotation Axis 123 is provided with positive and negative rotation operating rocker 130, is made by the operation to positive and negative rotation changer lever 212 (positive and negative rotation operating parts) positive and negative Turn the swing of operating rocker 130, as a result, positive and negative rotation switching shaft 123 rotates, so that sliding part 127 is relative to forward bevel gear 124 perhaps reversion engaged or disconnected with bevel gear 125 by clutch 128 or reversing clutch 129 is rotated forward and made Sliding part 127 alternatively with forward bevel gear 124 or reversion with bevel gear 125 engage so that extract input shaft 89 with just It inverts transmission axle 122 and rotates forward connection or reversion connection.

It is configured to, has: as the positive and negative rotation switching machine that supply conveyor 17 is driven forward or is driven reverse Supply conveyor 17 is linked to cylinder shaft 82 by positive and negative rotation a-b box 121 by the positive and negative rotation a-b box 121 of structure.Cause This, can make 17 isoinversion of supply conveyor of feed room 11, energy by the reversion handover operation to positive and negative rotation a-b box 121 It is enough promptly to remove the blocking stalk in feed room 11 etc..

By auger clutch 156 and auger the driving band 157 of tension band colyliform by the right side of auger drive shaft 158 End is linked to the output shaft 65 of engine 7.By bevel gear mechanism 159 by the lateral transfer auger (bottom of 6 bottom of grain box Portion's conveyer) 160 front end sides are linked to the left end of auger drive shaft 158.Grain is discharged by bevel gear mechanism 161 The longitudinally fed auger 162 of conveyer 8 is linked to the rear end side of lateral transfer auger 160, and incites somebody to action by bevel gear mechanism 163 The grain discharge auger 164 of grain discharge conveyer 8 is linked to the upper end side of longitudinally fed auger 162.In addition, having: pair twist Imperial clutch 156 carries out the grain discharge bar 155 of engagement opening operation.It constitutes are as follows: attend a banquet 42 rears and in grain box 6 in driving Front surface is equipped with grain discharge bar 155, and operator can attend a banquet 42 sides from driving, operates to grain discharge bar 155.

It is provided with the Hyaulic infinite variable speed device 64 of straight trip (traveling main transformer speed) in gearbox 63, has and constitutes 1 pair Straight trip pump and straight trip motor；And the Hyaulic infinite variable speed device 70 of convolution, have constitute 1 pair rotary pumps and Circle round motor.Moreover, constituting are as follows: utilize gear, the transmission input shaft 66 of gearbox 63 is linked to above-mentioned straight trip respectively and is pumped And rotary pumps each pump shaft and driven.Speed changer input belt wheel 69 on transmission input shaft 66 is around hanging with engine Export band 67.Band 67 is exported by engine and transmits the output of engine 7 towards speed changer input belt wheel 69, thus to upper It states straight trip pump and rotary pumps is driven.

The drive that exports band 67 and transmission input shaft 66 by engine and will come from the output of the output shaft 65 of engine 7 The power pump shaft transmitting to the pump shaft of straight trip pump and rotary pumps respectively.In straight trip in Hyaulic infinite variable speed device 64, utilize It is transferred to the power of pump shaft and suitably working oil is pumped from straight trip towards straight trip motor and is sent into.Similarly, it is circling round with hydraulic In formula stepless transmission 70, suitably working oil is sent from rotary pumps towards convolution motor using the power for being transferred to pump shaft Enter.

In addition, the pump shaft of the straight trip pump in straight trip Hyaulic infinite variable speed device 64, is equipped with: being used for working oil direction The oil feed pump 151 that each Hyaulic infinite variable speed device 64,70 supplies.Straight trip is constituted with Hyaulic infinite variable speed device 64 are as follows: according to matching Be placed in the manipulation main shift lever 44 of column 41, manipulation direction disk 43 operating quantity and to the tilt angle of the swash plate of straight trip pump into Row change adjust, and to working oil towards straight trip motor discharge direction and discharge rate change, thus arbitrarily to from The direction of rotation of straight trip motor straight trip outstanding motor drive shaft and revolving speed are adjusted.

Convolution is constituted with Hyaulic infinite variable speed device 70 are as follows: according to main shift lever 44, the manipulation side for being configured at manipulation column 41 Adjusting is changed to the tilt angle of the swash plate of rotary pumps to the rotation operating quantity of disk 43, and working oil direction is returned The discharge direction and discharge rate for revolving motor change, thus arbitrarily to from convolution motor convolution motor drive shaft outstanding Direction of rotation and revolving speed are adjusted.

Next, referring to Fig. 9, to the operating system hydraulic circuit 180 of the ordinary combine harvester of present embodiment into Row explanation.As shown in figure 9, operating system hydraulic circuit 180 has as hydraulic actuator: extracting lifting hydraulic cylinder 4；It is left Right reel paddle lifting hydraulic cylinder 27L, 27R, rake is held together the bearing of reel paddle 14 for that can go up and down by them；Auger is gone up and down with hydraulic Cylinder 55 can go up and down grain discharge auger 164 bearing；Body lifting hydraulic cylinder 56L, 56R of left and right, they make to go Body 1 is sailed to be gone up and down；Operating oil tank 57, working oil are stored in the operating oil tank 57；Hydraulic pump 59, via oil strainer 58 and connect with operating oil tank 57；And hydraulic valve 60A~60E, they switch over the flowing of working oil.In addition, hydraulic Valve 60A~60E is assembled in: the hydraulic valve units body 60 carried in travel machine body 1.

Hydraulic pump 59 is connected to hydraulic way and is extracted lifting hydraulic cylinder 4 with hydraulic valve 60A via lifting is extracted. It constitutes are as follows: extract posture bar (illustration omitted) wallowing motion in the longitudinal direction by make driver behavior portion (bridge) 5 Operation, and to extract lifting and be acted with hydraulic cylinder 4, operator to extract 3 lifting moving of portion to arbitrary height (example Such as, operation height or non-operation height etc. are extracted).On the other hand, operation is used with hydraulic valve 60B via reel paddle lifting Hydraulic pump 59 is connected to reel paddle lifting hydraulic cylinder 27L, 27R with hydraulic way.It constitutes are as follows: above-mentioned extract posture bar by making The operation etc. of (illustration omitted) wallowing motion in the lateral direction, and reel paddle lifting is moved with hydraulic cylinder 27L, 27R Make, operator make rake hold together 14 lifting moving of reel paddle the fringe stalk that do not extract in field is extracted to arbitrary height.

Operation is connected to auger lifting liquid with hydraulic pump 59 with hydraulic way with hydraulic valve 60C via auger lifting Cylinder pressure 55.By making the grain in driver behavior portion (bridge) 5 that the operation of the wallowing motion in the longitudinal direction of bar 155 be discharged, and So that auger lifting is acted with hydraulic cylinder 55, operator makes the grain of grain discharge conveyer 8 that auger 164 be discharged Paddy feeding mouth lifting moving is to arbitrary height.In addition, making grain discharge auger 164 and longitudinal direction defeated using electric motor 165 It send auger 162 and bevel gear mechanism 163 to rotate in the horizontal direction together, and paddy feeding mouth is laterally moved.That is, Constitute are as follows: paddy feeding mouth be located at the top of truck cargo box perhaps container by the grain in grain box 6 to truck cargo box or Discharge in container.

Via left side body lifting with hydraulic valve 60D and by operating oil tank 57 and operation hydraulic pump 59 with hydraulic way It is connected to left side body lifting hydraulic cylinder 56L.On the other hand, via right side body lifting with hydraulic valve 60E and by working oil Case 57 and operation are connected to right side body lifting hydraulic cylinder 56R with hydraulic pump 59 with hydraulic way.By the machine for making left and right Body lifting is acted independently of each other with hydraulic cylinder 56L, 56R, and the left and right sides of travel machine body 1 is independently gone up and down.

Therefore, if the body lifting at left and right sides of making simultaneously is acted and made the shoe of left and right with hydraulic cylinder 56L, 56R Tape holder 50,50 is simultaneously declined relative to travel machine body 1, then travel machine body 1 is upward relative to shoe with 2,2 grounding parts of the left and right sides (rising) is left by side, so that travel machine body 1 is increased relative to the relative altitude (overall height) for carrying out with 2,2 grounding parts.On the contrary, if making The track frame 50,50 of left and right rises simultaneously relative to travel machine body 1, then the shoe with 2,2 of travel machine body 1 close to the left and right sides is grounded Portion's (decline), so that travel machine body 1 is reduced relative to the relative altitude (overall height) for carrying out with 2,2 grounding parts.

Moreover, if left side body lifting is made to be acted with hydraulic cylinder 56L and make left track frame 50 relative to traveling Body 1 declines, or right side body lifting is made to be acted with hydraulic cylinder 56R and make right side track frame 50 relative to traveling machine Body 1 rises (or both sides is made to be performed simultaneously movement), then travel machine body 1 tilts to the right.On the contrary, if making right side body lifting It is acted with hydraulic cylinder 56R and right side track frame 50 is declined relative to travel machine body 1, or use left side body lifting Hydraulic cylinder 56L acted and make right side track frame 50 increase relative to travel machine body 1 (or to be performed simultaneously both sides dynamic Make), then the inclined downward to the left of travel machine body 1.

Operating oil tank 57 is set in travel machine body 1 and is set to the sky surrounded by feed room 11 and threshing cylinder 18 Between position, engine 7 and operating oil tank 57 configured in a manner of left-right situs in the front of travel machine body 1.That is, operating oil tank 57 It is configured at: the space surrounded by the casing body in feed room 11, threshing portion 9, so as to inhibit: the dust heap from the portion that extracts 3 Product is in operating oil tank 57, additionally it is possible to prevent the dust from oil-feed port 184 etc. from invading and polluting to working oil.In addition, coming The installation space of operating oil tank 57 is flowed into from the cooling wind of engine 7, thus even if on operating system hydraulic circuit 180 not Setting oil cooler is also able to suppress oil temperature raising, so as to suitably drive to each hydraulic unit.

Operating oil tank 57 is included in left side (harvester outer lateral side) and is provided projectingly towards left side (harvester on the outside of) Oil-feed port 184, and be provided with: the oil strainer 58 that can be plugged from left side.Therefore, by the way that threshing portion 9 will be set to The threshing cover 185 in left side (harvester on the outside of) remove, and easily oil-feed port 184 and oil strainer 58 can be carried out Operation.Therefore, the fuel feeding operation of operating oil tank 57 and the replacement operation of oil strainer 58 become easy, also, also realize The raising of the maintainability of hydraulic circuit 180.

Next, referring to Fig. 7, Fig. 8 and Figure 10~Figure 12 etc., around the engine room 146 being arranged for engine 7 Structure is illustrated.As shown in Fig. 7, Fig. 8 and Figure 10~Figure 12 etc., pair of right and left engine room pillar 147 be provided for erecting in 5 rear side of bridge of 1 upper surface of travel machine body, back side plate body 148 are tensioned between the engine room pillar 147 for being set to left and right, 146 rear of engine room for driving 42 lower sections of attending a banquet is covered as a result,.In addition, the wind-tunnel case 170 of box-like is by opening and closing fulcrum shaft 171 and erect be set to: travel machine body 1 bridge 5 right-hand end setting right engine room pillar 147.Dedusting Net tensioning is set to: the harvester outer openings of 170 right side of wind-tunnel case, because of the presence of basket strainer, so as to prevent straw Stalk crumb etc. is towards invading inside the even engine room 146 of the inside of wind-tunnel case 170.

Water cooling radiator 154 is provided for erecting on the inside of the harvester of: the wind-tunnel case 170 of 1 upper surface side of travel machine body, is dissipated Hot device 154 is opposed with the cooling fan 149 of engine 7.The entire ventilation range portion of radiator 154 is carried out moreover, being provided with The shield 150 of this form of covering, cooling fan 149 are configured at: in the opening that the shield 150 is formed.In addition, machine oil is cooling Device 153 is set in wind-tunnel case 170.By the rotation of cooling fan 149, and by outside air (cooling wind) from wind-tunnel case 170 The cooling wind that the harvester outer openings of right side are taken into wind-tunnel case 170, and dedusting is finished is from 170 left side of wind-tunnel case Harvester inside opening be fed through in engine room 146.As a result, using the cooling wind flowed into engine room 146, to machine Oil cooler 153, radiator 154 and engine 7 etc. are cooled down.

The upper end of pair of right and left engine room pillar 147 is linked by upper level frame 172, to constitute engine room The rear portion of frame 145.Be placed with above drive attend a banquet 42 attend a banquet platform 173 setting are as follows: will be covered above engine room 146 Lid, and back side cover 174 is provided at driving 42 rears of attending a banquet.Platform 173 of attending a banquet setting are as follows: will be covered above engine room 146 Lid, the middle part connection of attend a banquet 173 rear of platform and pair of right and left engine room pillar 147.Back side cover 174 and upper level frame Frame 172 and platform 173 of attending a banquet link respectively, and are fixed in: attending a banquet 42 rears 173 upper surface of platform and driving of attending a banquet.

In engine room 146, the muffler 131 for weakening exhaust sound is set to engine by muffler support bracket 7 upper front.The exhaust entrance of muffler 131 is connect via the turbine of booster 132 with the discharge manifold of engine 7, On the other hand, the one end of tail pipe 133 is connect with the air exit of muffler 131.In addition, attend a banquet 173 upper surface of platform and Driving is attended a banquet 42 rears, and the primary air filter 134 for importing new air (outside air) to engine 7 is provided with.Primary air The new air outlet slit of filter 134 is connect via the compressor of booster 132 with the inlet manifold of engine 7, on the other hand, The new air outlet slit of preposition air cleaner (prefilter) 135 is connect with the new air intake of primary air filter 134.

As shown in Fig. 7, Fig. 8 and Figure 10~Figure 15, tail pipe 133 is in threshing portion 9 and the paddy for being configured with conveyer 32 of winnowing Between grain case 6, it is extended along the front-rear direction of travel machine body 1.The noise reduction of the front end side and 7 top of engine of tail pipe 133 Device 131 is connected to.Moreover, upper back of 133 rear end of tail pipe in grain box 6, towards oblique upper and to after-opening.That is, constituting are as follows: Between threshing portion 9 and grain box 6, towards grain box 6 upper back and arranged from 133 rear end of tail pipe by the exhaust gas of engine 7 Out.

The fastening connection of front supporting frame frame body 221 it is fixed in: the casing body 9b right part in threshing portion 9, by preceding Portion's support bracket body 222 and by 133 front end side of tail pipe connection be supported on front supporting frame frame body 221.In addition, right in casing body 9b The casing framework on side section top is provided with case supporting frame frame body 223, makes it possible to the grain box being unfolded on the outside of harvester 6, which are locked to grain, collects position (body reception position)；And supporting frame frame body 224 of winnowing, the standing of conveyer 32 of winnowing are set It sets and is supported on the supporting frame frame body 224 of winnowing.By intermediate support pallet body 225 by the front-rear direction middle part of tail pipe 133 Connection is supported on case supporting frame frame body 223, also, the rear end side of tail pipe 133 is linked branch by rear support pallet body 226 It holds in supporting frame frame body 224 of winnowing.The middle part of tail pipe 133 or even rear end are along the right lateral surface in threshing portion 9 and in body It is extended on front-rear direction.

Posture direction of the front end of tail pipe 133 to decline forwards: configured with extract clutch lever 46 or threshing from The muffler 131 of 39 lower rear of lateral column of clutch bar 47, and be extended.Moreover, being provided with tail pipe 133 forwards The heat shield body 227 that the front-surface side of the front end of decline is covered.The inclination lower end side of heat shield body 227 is linked by fastening It is fixed on the rear portion of lateral column 39, the slanted upper end side of heat shield body 227 is provided projectingly towards 39 rear portion oblique upper of lateral column；Relative to The driving of 39 right side side of lateral column attends a banquet 42, is covered the front end side of tail pipe 133 declined forwards using heat shield body 227. Constitute as a result, are as follows: prevented using heat shield body 227 hot wind of 133 side of tail pipe to driving attend a banquet 42 operator direction move It is dynamic.

As shown in Fig. 7, Fig. 8 and Figure 10~Figure 15, primary air filter 134 is carried by filter supporting station 136 It is placed in: by upper surface in 173 upper surface of platform of attending a banquet covered above engine room 146, driving 42 rears of attending a banquet. That is, primary air filter 134 is set to: the space covered by the back side cover 174 attended a banquet on platform 173.In addition, in order to weaken: Generated air inlet when importing new air (outside air) by primary air filter 134 and preposition air cleaner 135 Sound, and resonance cabinet 137 is set between primary air filter 134 and preposition air cleaner 135.

Resonance cabinet 137 is placed in: the resonance box object table 139 that pillar 147 is arranged in Left Hand Engine room.Moreover, resonance box The left and right sides and back-surface side of body 137, which are wound, to be installed on: fastening connection band body 140, so that the cabinet 137 that resonates is fixed In upper level frame 172.It abuts plate body 141 to be provided for erecting in the upper surface of 172 middle part of upper level frame, makes resonance box 137 front surface of body with abut plate body 141 and the respective back side of upper level frame 172 abuts respectively.

In addition, preposition air cleaner 135 is fixedly installed in 32 upper end of conveyer of winnowing by preposition pallet body 138 The lateral surface of the grain discharge case 32a in portion.As a result, between 9 right upper portion of threshing portion and the left upper portion of grain box 6, will before It empties air cleaner 135 and is supported on position more higher than 6 upper surface of grain box in a detachable manner.Also, in upper water 172 upper surface of flat frame, digester fixation are provided for erecting with frame 142 in the position adjacent with plate body 141 is abutted.By metal bar The fixation metalwork 143 of formation is set to: digester is fixed to use 142 front surface of frame, using fixed metalwork 143, upper and lower On direction, digester 144 is clamped, is attended a banquet 42 back sides to be positioned in driving.

Next, 0~Figure 16 referring to Fig.1, is illustrated the construction around grain box 6.It is arranged before and after grain box 6 Have: input side case 166 and undertaking case 167 as bevel gear input side case, wherein 160 input side of lateral transfer auger Bevel gear mechanism 159 is set to inside input side case 166, and the bevel gear mechanism 161 of 160 outlet side of lateral transfer auger is set to It accepts inside case 167.It is fixedly linked in addition, being pivotally supported the fastening of plate body 179: the outer front surface of the front side wall of grain box 6. That is, input side case 166 to be fixedly installed in the lower part of 6 outer front surface of grain box by plate body 179 is pivotally supported, also, will Case 167 and the subsequent lower part of grain box 6 is accepted to link, by as the lateral transfer auger 160 of bottom conveyer rotatably freely It is configured at input side case 166 and accepts between case 167.

In addition, as shown in Figure 10~Figure 13 etc., the output pulley 168 being pivotally supported on the output shaft 65 in engine 7, with Between the input belt wheel 169 of input side case 166, by auger clutch (tensioning pulley) 156, to auger driving band, (discharge is defeated Machine is sent to drive band) 157 carry out tensioning setting.In addition, input belt wheel 169 be pivotally supported in: from the right side court of input side case 166 To the right on auger driving input shaft 158 outstanding.Also, the right side of fulcrum bracket 175 is fixed in right engine room Pillar 147, also, the base end side of tensioner arm 177 is pivotally supported by tensioner arm fulcrum shaft 176 in a left side for fulcrum bracket 175 Side.Moreover, auger clutch 156 is pivotally supported by tension band wheel shaft 178 in 177 front end side of tensioner arm.

The one end (right end) of tensioner arm fulcrum shaft 176 is fixedly installed in right engine by fulcrum bracket 175 The another side of room pillar 147, tensioner arm fulcrum shaft 176 is extended along the left and right width direction of travel machine body 1, tensioning The base end side (front end side) of arm 177 is rotatably pivotally supported the another side (left end) in tensioner arm fulcrum shaft 176. Moreover, tensioner arm 177 is extended, auger clutch 156 towards by the input belt wheel 169 being pivotally supported in input side case 166 It is pivotally supported in the front end side (rear end side) of tensioner arm 177.As a result, being disconnected auger clutch 156 is supported on clutch Position and in the case that grain box 6 is opened and closed, be able to maintain that: auger clutch 156 be supported on engine room frame 145 State.

In addition, tension band wheel shaft 178 connects by tension spring 231 and clutch lever 232 with grain discharge bar 155 Knot.The base end side of tensioner arm 177 is pivotally supported in engine room frame 145, the front end side of tensioner arm 177 in engine room 146 Link by tension spring 231 and clutch lever 232 with grain discharge bar 155, so that by being pivotally supported in tensioner arm The auger clutch (tensioning pulley) 156 of 177 front ends is swung in the up-down direction.That is, passing through the operation for grain being discharged bar 155 And auger clutch 156 is made to increase, it is consequently formed are as follows: so that the clutch joint shape that discharge conveyer driving band 157 is tensioned On the other hand state declines auger clutch 156, to be formed are as follows: so that the clutch of the discharge conveyer driving relaxation of band 157 Device off-state.

As shown in Figure 10, Figure 11 and Figure 14~Figure 17 etc., have: implementing to the driving of grain discharge conveyer 8 or Bar 155 is discharged in the grain of driving cutting (the engagement opening operation of conveyer clutch).Grain discharge bar 155 is: being used for It carries out the clutch operating portion that the engagement of auger clutch 156 disconnects, being set to the back side cover of 145 top of engine room frame 174 upper surfaces.Pacify for engine 7 in inside that is, auger clutch (tensioning pulley) 156 is supported in by tensioner arm 177 The engine room frame 145 of dress, also, grain discharge bar (the clutch operating portion) 155 that tensioner arm 177 is swung is set to: It on engine room frame 145 and is attended a banquet 42 rears in driving.

Grain discharge bar (clutch operating portion) 155 is arranged at: carrying out axis branch to auger clutch (tensioning pulley) 156 The engine room frame 145 held, therefore, so that transmitting power from engine 7 towards grain discharge conveyer 8 or by the transmitting The clutch mechanism that power is cut off integrally is assembled in engine room frame 145.Therefore, it not only improves only: towards grain Discharge conveyer 8 transmits the assemblability of power or the clutch mechanism for being cut off the power of the transmitting, and grain is discharged The adjustment etc. of the active force of contraposition or tension spring 231 when bar 155 and auger clutch 156 link up also becomes to hold Easily.

Grain discharge bar 155 is set to: the overleaf rod box 233 of 174 upper surface of cover mounting is attended a banquet after 42 positioned at driving Side and be than drive attend a banquet 42 backrest be closer to top position.That is, bar 155 is discharged can attend a banquet than driving in grain 42 backrest is closer to the position of top and carries out the mode of wallowing motion operation in the up-down direction, is pivotally supported in rod box 233 harvester lateral surface (right side).

Therefore, operator hand be easy from driving attend a banquet 42 reach grain discharge bar 155, thus be easy to auger clutch Device 156 carries out engagement opening operation.

Grain is discharged bar 155 and attends a banquet 42 rears in driving, is operated with the spinning movement to grain discharge conveyer 8 Auger cyclic stick (conveyor operation portion) 234 is set side by side.Therefore, by grain from grain discharge conveyer 8 to truck cargo box, In the case that container etc. is discharged, operator is not necessarily to drastically change the posture for driving and attending a banquet on 42, just can arrange grain Rod 155 and auger cyclic stick 234 are operated, so as to improve operability when grain discharge.That is, being discharged in grain When, operator can not only on one side confirm grain discharge auger 164 outlet position, while be directed at auger cyclic stick 234 It is operated, and after making the grain discharge convolution to desired position of auger 164, without changing posture, just can Grain discharge bar 155 is operated and is come into effect the discharge of grain.

In addition, auger cyclic stick 234 is set to 233 upper surface of rod box, and be configured as than drive attend a banquet 42 backrest more By upwards.Therefore, operator can easily occupy driving attend a banquet 42 in the state of, to auger cyclic stick 234 into Row operation.In addition, drive the operator that attends a banquet on 42 can on one side visually observation grain be discharged auger 164, while be directed at auger Cyclic stick 234 is operated, and therefore, grain discharge auger 164 can be made safely to circle round to the desired position of operator.

Grain discharge bar 155 is configured at: when looking down in drive attend a banquet 42 right side (harvester on the outside of), and be fixed In: by the right part of the bar fulcrum axis body 235 of 233 right side of rod box perforation.Bar fulcrum axis body 235 be pivotally supported in: on top The fulcrum pallet body 236 that horizontal frame 172 and back side cover 174 are fixed.In the upper surface of fulcrum pallet body 236, bar fulcrum Axis body 235 and relaying fulcrum axis body 237 in the parallel mode of respective axial direction and front and back is set side by side.Rod box 233 is with by bar branch It puts the mode that axis body 235, fulcrum pallet body 236 and relaying fulcrum axis body 237 cover and is linked with fulcrum pallet body 236 It is fixed, and include the shape so that back side side opening.

In the right part for the bar fulcrum axis body 235 being inserted in rod box 233, it is provided with the inclination with grain discharge bar 155 Swing the input arm 238 for being synchronously carried out rotation.The input arm 238 of the bar fulcrum axis body 235 by link plate 240 and in The relay arm 239 being arranged on front side of the right part of fulcrum axis body 237 links.In addition, behind the right part of relaying fulcrum axis body 237 Side, output arm 241 are rearward provided projectingly, and the rear end and 232 upper end of clutch lever of output arm 241 link.

Operator operates grain discharge bar 155 and makes its wallowing motion in the up-down direction, so that defeated Enter arm 238 and the rotation of bar fulcrum axis body 235 is correspondingly rotated, and by link plate 240 and by the rotation of input arm 238 Movement is transmitted towards relay arm 239.Moreover, the spinning movement of relay arm 239 makes output arm via relaying fulcrum axis body 237 241 rotations, so that clutch lever 232 moves up and down.Therefore, operator carries out wallowing motion to grain discharge bar 155 It operates and auger clutch 156 is moved up and down together with clutch lever 232, thus by the power direction of engine 7 Grain discharge conveyer 8 is transmitted or is cut off the power of the transmitting.

As shown in Figure 10~Figure 13 etc., grain box 6 is had the following structure: axis body (illustration omitted) is chimeric with grain box 6, In the axis body be provided projectingly in the downside of undertaking case 167 for being fixed on 6 rear surface of grain box to 1 rear upper surface of travel machine body, 6 front of grain box can be made to be rotated in a manner of it can be opened and closed in the lateral direction using the axis body as rotary shaft.In addition, Storage guide body 242 is integrally fixedly installed in the upper surface side of travel machine body 1, also, as the slide mass for entering and leaving guide body 243 are integrally fixedly installed in the lower end side for being pivotally supported plate body 179, the side for making the lower end side of slide mass 243 can slide Formula is abutted with the upper surface of storage guide body 242, and 6 front of grain box is supported in travel machine body 1 by slide mass 243.

Grain box 6 has the following structure: so that lateral transfer auger 160 is configured at bottom with front and back direction, in grain 6 bottom of case is provided with bottom plate 6b on the inside of harvester outermost side floor panels 6a and harvester, harvester outermost side floor panels 6a and harvester inside Bottom plate 6b is tilted towards lateral transfer auger 160, so that grain inside grain box 6 is towards the direction of lateral transfer auger 160 Flowing.Moreover, 250 Suspending fixation of tool box on the downside of harvester outermost side floor panels 6a, on the other hand, is placed in travel machine body 1 Hydraulic valve units body 60 be configured on the inside of harvester on the downside of bottom plate 6b.It therefore, can not only when grain box 6 is opened and closed Enough make tool box 250 mobile while grain box 6 rotates, moreover, will not also make the opening to grain box 6 of hydraulic valve units body 60 Movement is closed to counteract.

In addition, lockplate 244 is fixedly installed in the front right side of grain box 6, lock arm 245 is set to lockplate 244, Also, constitute are as follows: case supporting frame frame body 223 is provided projectingly from the right side in threshing portion 9 towards right direction, and locking pin 247 is set It is placed in the right-hand end of case supporting frame frame body 223, lock arm 245 is locked to locking pin 247, paddy in a manner of it can engage disengaging Grain case 6 is supported on harvesting position.In addition, unlocking lever 249 is linked to lock arm by latch-release stick 248 245, using the unlocking lever 249 of the lower right-hand side configuration in 6 front surface of grain box, and make lock arm 245 from locking pin 247 are detached from.

Description of symbols

1 travel machine body 3 extracts portion

5 bridge, 6 grain box

Bottom plate on the inside of 6a harvester outermost side floor panels 6b harvester

7 engine, 8 grain discharge conveyer

9 threshing portion, 145 engine room frame

146 engine room, 147 engine room pillar

Bar is discharged in 148 back side plate body, 155 grain

156 auger clutch, 157 auger drives band

158 auger drive shaft, 159 bevel gear mechanism

160 lateral transfer auger, 161 bevel gear mechanism

162 longitudinally fed 163 bevel gear mechanisms of auger

170 wind-tunnel case of auger is discharged in 164 grain

171 opening and closing 172 upper level frames of fulcrum shaft

173 attend a banquet 174 back side cover of platform

175 fulcrum bracket, 176 tensioner arm fulcrum shaft

177 tensioner arm, 178 tension band wheel shaft

179 are pivotally supported 231 tension spring of plate body

232 clutch lever, 233 rod box

234 auger bar, 235 bar fulcrum axis body

236 fulcrum pallet bodies 237 relay fulcrum axis body

238 input arm, 239 relay arm

240 link plate, 241 output arm

242 storage 243 slide masses of guide body

244 lockplate, 245 lock arm

247 locking pin, 248 latch-release stick

249 unlocking lever, 250 tool box

Claims (5)

1. a kind of combine harvester, has: travel machine body, equipped with engine；It is defeated to be provided with bottom inside it for grain box Send machine；Input side case is set to the grain box front-surface side opposed with the engine；And discharge conveyer, It is set to the grain box back-surface side of opposite side,

The combine harvester is characterized in that,

The combine harvester is constituted are as follows: discharge conveyer driving band be tensioned by tensioning pulley be set to the engine with Between the input belt wheel of the input side case,

The tensioning pulley is supported in by tensioner arm: the engine room frame of the engine is installed in inside, also, It is arranged at the clutch operating portion of the tensioning arm swing: on the engine room frame and is attended a banquet rear in driving.

2. combine harvester according to claim 1, which is characterized in that

The clutch operating portion and conveyor operation portion are set side by side, and the conveyor operation portion is used to convey the discharge The convolution movement of machine is operated.

3. combine harvester according to claim 1, which is characterized in that

Using cover, the driving of engine room frame rear area of attending a banquet is covered,

The clutch operating portion is set to the cover upper surface.

4. combine harvester according to claim 3, which is characterized in that

The air cleaner for being imported into that side connection of new air with the engine is configured in: above the engine and It is to drive rear of attending a banquet described,

The cover covers the air cleaner.

5. combine harvester according to claim 1, which is characterized in that

The engine room frame has a pair of of engine room pillar at the position between the grain box and the engine,

The engine room pillar that the tensioner arm is pivotally supported on the outside of harvester by fulcrum bracket.