JP2006109849A - Combine harvester - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a combine harvester increased in work efficiency by setting a working light in front of a dust cover to make grain culm-raising conditions easily observable and making a raising select lever easily operable in a driver seat. <P>SOLUTION: A dust cover (7) is set from the upper part of reaping device (2) to the rear, wherein the reaping device (2) is liftable against a machine body (1), a working light (47) is set in front of the dust cover (7) to illuminate forward with the working light (47), the rear part of the dust cover (7) is supported by a cover supporting frame (10) set on the reaping device (2) side, and a raising change lever (12) for operating to change the rate of a raising lug (11) of a grain culm-raising device (3) of the reaping device (2) is set turnably on a part of a operating part (17) of the cover supporting frame (10) supporting a rear part of the dust cover (7). <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

  The present invention relates to a combine.

The conventional combine has a thing of the form which covers the upper part of a grain feeder apparatus part with a dust cover between the grain raising apparatus of a reaping device, and the grain supply port part of a threshing apparatus. (For example, see Patent Documents 1 and 2.)
Microfilm of Japanese Utility Model No. 01-052104 (Japanese Utility Model Application No. 02-142117) Japanese Patent Laid-Open No. 06-133627

  As described above, in a combine in a form in which the upper part of the culm transporting device is covered with the dustproof cover between the culm pulling device of the reaping device and the culm supply port of the threshing device, The installation position of the pulling shift lever for changing the shifting of the pulling lug is difficult. If it is hidden under the dust cover, it will be difficult to operate, and if it is installed directly on the upper part of the front grain raising device, it will be difficult for the operator to reach.

  The present invention provides a work lamp (47) on the front surface of the dust cover (7) when the dust cover (7) is provided from the upper part of the reaping device (2) that can be raised and lowered relative to the vehicle body (1) to the rear. And the rear portion of the dust cover (7) is supported by a cover support frame (10) attached to the mowing device (2) side, and the mowing device (47) supports the mowing device. Manipulating the pulling shift lever (12) for changing the speed of the pulling lug (11) of the grain raising device (3) in the device (2) in the cover support frame (10) supporting the rear part of the dustproof cover (7) It is set as the structure of the combine characterized by attaching to the part by the side of a part (17) so that rotation is possible.

According to the present invention, it is possible to make it easier to see the front by irradiation from the work lamp 47 provided on the front surface of the dustproof cover 7.
In addition, the rear portion of the dust-proof cover 7 can be supported by the cover support frame 10, and the pulling speed change lever 12 is attached to a portion on the control unit 17 side of the cover support frame 10 that supports the rear portion of the dust-proof cover 7. If the hand is extended laterally from the cockpit, the pulling speed change lever 12 can be gripped, and the operability can be improved.

  The combine is in a self-removing form, and the reaping device 2 is supported on the front portion of the vehicle body 1 having the crawler traveling device 15 by being able to move up and down by the expansion and contraction of the lift cylinder 16, and the threshing device 5 is mounted behind this. On the lateral side of the apparatus 2 and the threshing apparatus 5, a front control table (control section) 17, a control seat 14, an engine and the like are mounted, and a Glen tank 18 and a threshing auger 19 are mounted on the rear.

  The cereals harvested by the reaping device 2 are conveyed to the cereal supply port 6 of the threshing device 5 by the cereal conveying device 4 and held between the feed chain 20 and the cocoon 21 and moved backward. While transporting, the head is supplied to the threshing chamber and threshing is selected. The threshed grain is accommodated in the lateral grain tank 18 by a cerealing machine, and can be discharged out of the machine by the cerealing auger 19 when the grain is full.

  The cutting frame 9 of the cutting device 2 is pivoted up and down around a lifting shaft 23 on the support bracket 22 at the front of the vehicle body 1. A cereal scraping device, a cutting blade device 24, a cereal transporting device 4, a front dustproof cover (dustproof cover) 7, and the like are mounted, and the lift is adjusted by hydraulic expansion and contraction of the lift cylinder 16.

  The grain raising apparatus 3 is connected between the raising transmission case 26 of the upper end section shape of the raising pillar 25 erected from the front part of the cutting frame 9 and the weed body 28 part of the front end of the weed basket 27. A pulling case 29 is provided, and a pulling chain 30 in which the pulling lug 11 is disposed is spanned between the upper and lower sprockets 31 and is rotated by being slidably guided by the lug guide. The pulling lug 11 is protruded into the side culm pulling passage A to raise the culm and to stand in a certain posture to make it easy to cut.

  In the upper part of the pulling pillar 25, there is a speed change between a transmission shaft 32 linked to the transmission shaft in the cutting frame 9 and a transmission shaft 35 linked to the transmission shafts 33 and 34 in the pulling transmission case 26. A transmission gear 37 that is switched by the shifter 36 is provided. By operating the transmission shifter 36 by operating the pulling shift lever 12 and switching the transmission gear 37, the rotation of the transmission shaft 32 is switched between high and low, thereby transmitting the transmission shaft. 35, the rotation of the pulling lug 11 of each pulling case 29 can be transmitted with a variable speed.

  Above the culm transporting device 4 of the reaping device 2, a transmission cover 45 part covering the pulling transmission case 26 part at the upper end of the culm pulling apparatus 3, and a cereal supply port part at the front end of the rear threshing device 5 6, a gate-shaped front dustproof cover 7 and a rear dustproof cover 8 are provided in a front sectional view, and the rear dustproof cover 8 can be opened and closed by moving in the front-rear direction.

  These front dustproof covers (dustproof covers) 7 are supported at a fixed position by a cover support frame 10 that is integrally attached to the cutting frame 9, and the rear dustproof cover 8 is rotated back and forth around the lifting shaft 23. The lower end is supported by a cover support arm 38 bent in an L shape toward the tip side by a hinge 41, and the front end of the rear dust-proof cover 8 is supported along the upper surface of the front dust-proof cover 7. Guided. A guide roll 39 is disposed and supported on the outer side of the front dustproof cover 7 from the left and right sides of the cover support frame 10, and the rail 40 of the rear dustproof cover 8 is supported on the guide roll 39 to slide back and forth. Reference numeral 42 denotes a handle. Reference numeral 43 denotes a side cover that covers the lateral outer side of the reaping device 2.

  A part 44 on the control stand 17 side of the cover support frame 10 is projected outward from the lateral end of the front dustproof cover 7, and the pulling shift lever 12 is attached to the projecting part 44 so as to be switched back and forth. . The mounting position of the speed change lever 12 may be located inside the dust cover 7. However, even in this case, the grip 13 at the front end is exposed laterally outside the front and rear dust covers 7 and 8, so that the cockpit 14 to make it easy for the operator to grip. The pulling shift lever 12 and the shift shifter 36 of the pulling device 3 are linked via the front dustproof cover 7 and the linkage mechanism 46 in the transmission cover 45, and the pulling shift lever 12 is rotated back and forth to change the speed. The gear 36 can be switched. Appropriate spacing portions B are formed on the opposing surfaces of the lateral ends of the front and rear dust covers 7 and 8 and the lateral end of the control table 17.

  A work lamp 47 is provided on the front surface of the front dustproof cover 7. In a state where the rear dustproof cover 8 is moved to the front side and opened, the projecting portion 48 where the front end portion of the rear dustproof cover 8 projects the upper side of the work lamp 47 forward becomes a reflection surface, and the work lamp 47 Irradiation area is irradiated not only in the front but also in the portion near the front of the raising case 29, L1 (FIG. 8), and becomes wider than the irradiation area L2 when the rear dust cover 8 is retracted. Make the pull-up state easier to see.

  In the cereal supply port 6 on the front side of the threshing device 5, a takeover guide 49 is provided on the start end of the feed chain 20 around the hinge 50 of the frame portion of the threshing device 5 on the upper side of the cereal supply port 6. The takeover guide 49 can be rotated upward with the rear dust cover 8 opened, and the grain supply interval between the rear part of the rear dust cover 8 and the takeover guide 49 can be turned up and down (FIG. 9). C can be opened, and the hand-harvested cereal meal D can be fed between the feed chain 20 and the meal 21 from this interval C. The feed chain 20, the basket 21, the takeover guide 49, and the like are provided along the outside of the rear dustproof cover 8 on the stock market side.

  The threshing auger 19 can select the threshing position by turning the threshing mouth 51 part of the front end up and down and left and right around the rear vertical threshing auger part. The front end portion 52 having 51 can be folded around the hinge 53 at the upper center portion of the front dustproof cover 7, and the folded auger 19 and the opening portion 54 of the front end portion 52 can be folded. , 55 is positioned on the front dustproof cover 7, and the waste grains leaking from the openings 54, 55 are guided to fall from the upper surface of the cover 7 to the field scene. The upper surface of the front dustproof cover 7 is formed in an arc shape of a normal section.

The top view of the dust-proof cover part of a combine. The side view. The side view which shows the effect | action, and a top view. FIG. The front view of the transmission mechanism part of a grain raising apparatus. The side view of a combine. The front view. The side view which shows the effect | action of a work light part. The side view which shows the effect | action of a rear part dust-proof cover part. The top view which shows the effect | action of a threshing auger part.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Car body 2 Harvesting device 3 Grain raising device 7 Front dustproof cover (dustproof cover)
9 Cutting frame 10 Cover support frame 11 Pulling lug 12 Pulling speed change lever 47 Work light

Claims (1)

In providing a dustproof cover (7) from the upper part of the cutting device (2) that can be raised and lowered relative to the vehicle body (1) to the rear, a work lamp (47) is provided on the front surface of the dustproof cover (7). The work lamp (47) is configured to irradiate the front, and the rear portion of the dustproof cover (7) is supported by a cover support frame (10) attached to the mowing device (2), and the mowing device (2) Control unit (17) in a cover support frame (10) for supporting the rear part of the dustproof cover (7) with a pulling shift lever (12) for changing the speed of the pulling lug (11) of the grain raising device (3) A combine that is pivotally attached to the side portion.

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