JP2008195348A - Vehicle and working machine - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a vehicle capable of effectively using a free space on the lower side of a skeleton columnar body of a cab. <P>SOLUTION: This vehicle 21 is furnished with a frame 22 and the cab 23 loaded on this frame 22. The skeleton columnar body 31 placed on the cab front side is a deformed tube formed hollow, and its lower end opens. A rear part vehicle body 26 of the frame 22 is furnished with a storage structural body 51 arranged below the skeleton columnar body 31 on its side surface and fixes a footstep part 52 to go up and down on a side surface of the frame 22 on the lower side of this storage structural body 51. The storage structural body 51 stores a battery 53 inside and is furnished with a water receiver 58 as a drain guiding means fixed on the side surface of the frame 22 on this battery 53. This water receiver 58 faces an opening 57 of a lower end of the skeleton columnar body 31 and guides drain flowing down from this opening 57 so as to evade the battery 53. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

  The present invention relates to a vehicle including a cab and a work machine using the vehicle.

  As shown in FIG. 5, in the wheel loader 1, the front vehicle body 5 having the front wheels 4 is arranged in the left-right direction with the articulate shaft (not shown) as a fulcrum with respect to the rear vehicle body 3 having the rear wheels 2. It is pivotably connected and is bent by an articulating cylinder (not shown) provided between the rear vehicle body 3 and the front vehicle body 5.

  A cab 6 is installed on the rear vehicle body 3 so as to surround the operator's driver's seat, and a step 8 is provided on the side surface of the rear vehicle body 3 below the skeleton column 7 on the front side of the cab 6. Further, a working device 9 used for bucket work or the like is installed on the front body 5 (see, for example, Patent Document 1).

The skeletal column 7 is a hollow tube-shaped pillar having an opening at the lower end. The tube is immersed in a rust preventive paint (so-called soaking) and the outer surface and inner surface of the tube are simultaneously formed. Since the tube end opening and the air vent hole necessary for painting are formed, after manufacture, rainwater enters the skeletal column 7 from these holes, or condensation occurs in the skeleton column 7, May flow down from the opening at the lower end of the skeletal column 7 as water droplets.
Japanese Patent Laying-Open No. 2005-67533 (page 3, FIG. 1)

  For this reason, in the past, although there is a marginal space for storing a storage object below the skeleton column 7 of the cab 6, it is not possible to arrange such a storage object in this clearance space. This couldn't be realized because it would damage things

  The present invention has been made in view of the above points, and an object of the present invention is to provide a vehicle and a work machine using the vehicle that can effectively use a spare space under the skeleton column body of the cab. To do.

  The invention described in claim 1 includes an airframe and a cab mounted on the airframe. The cab includes a skeleton column body that is formed in a hollow shape and has an opening at a lower end. The vehicle is provided with a storage structure for storing the storage object disposed on the side, and the storage structure is a vehicle including drainage guide means for guiding water so as to avoid the storage object.

  The invention described in claim 2 is a water receiver in which the storage structure in the vehicle according to claim 1 is opposed to the opening at the lower end of the skeletal column body and is fixed to the side surface of the fuselage on the storage object. It is fixed to the water receiving device and the mounting plate, which has a bottom plate portion that is fixed to the side surface of the machine body and has a bottom plate portion that supports the bottom surface of the storage object and has a side plate portion that covers one side portion of the storage object. A side plate that covers the other side of the object to be stored, and a door plate that is attached to the side plate so as to be openable and closable and can be fixed to the side plate portion of the mounting support plate in a closed state.

  According to a third aspect of the present invention, in the vehicle according to the second aspect of the present invention, the vehicle is provided with a lifting / lowering footrest that is fixed to the side surface of the airframe below the storage structure and protrudes from the door plate. is there.

  According to a fourth aspect of the present invention, there is provided a work machine comprising the vehicle according to any one of the first to third aspects and a work device installed in the vehicle.

  According to the first aspect of the present invention, the storage structure capable of guiding the water flowing down from the opening at the lower end of the skeleton column body of the cab by the drainage guide means so as to avoid the object to be stored is provided in the skeleton column body. Since it is arranged on the side of the machine body at the lower side, the margin space below the skeleton column body of the cab can be effectively used as a storage space for the objects to be stored.

  According to the second aspect of the present invention, it is possible to configure a storage structure having a strong cover structure that protects the object to be stored using the support plate, the side plate, and the door plate together with the water receiver. Further, the door plate can be opened to facilitate maintenance of the objects to be stored.

  According to the invention described in claim 3, the storage structure is arranged in a marginal space between the cab and the footrest portion, and the object to be stored can be stored efficiently, and the operator hung on the footrest portion. The impact force received by the door plate from the leg or the like can be dispersed and received by the mounting support plate, the side plate and the water receiver, thereby ensuring durability.

  According to the invention described in claim 4, it is possible to provide a work machine that can effectively use the extra space below the skeleton column of the cab as the storage space for the storage object, and to the storage object due to rain water or the like. Since damage can be reliably prevented, the quality and reliability of the work machine can be improved.

  Hereinafter, the present invention will be described in detail with reference to one embodiment shown in FIGS.

  FIG. 2 shows a wheel loader 20 as a work machine. The vehicle 21 includes a body 22 and a cab 23 mounted on the body 22, and the wheel loader 20 is disposed in front of the cab 23. A working device 24 used for bucket work or fork work installed in the vehicle 21 is provided.

  The airframe 22 has a rear vehicle body 26 having a rear wheel 25 and a front vehicle body 28 having a front wheel 27 connected to an articulate shaft (not shown) so as to be swingable in the left-right direction. In this structure, an articulating cylinder (not shown) provided between the front body 28 and the front body 28 is bent.

  The cab 23 is installed on the rear vehicle body 26 so as to surround the operator's driver's seat, and each skeleton column body 31 provided in a substantially inverted L shape from the cab front side to the rear side on the left side and right side of the cab, A frame structure having a gate-shaped central column 32 integrated at the rear end of the column 31 and a rear frame 33 integrated at the rear of the central column 32. These frame structures The cab top plate 34 supported by the above is provided.

  The front space of the cab 23 is provided with a front glass 35 and sloped glass 36 bonded to the left and right sides of the front glass 35, and the cab between the skeleton column 31 and the central column 32 is provided. The side space is provided with a door 37 that can be opened and closed with a rear hinge (not shown) as a fulcrum, and the rear space of the cab between the rear body 38, the central column 32, and the rear frame 33 has a rear glass. 39 is provided.

  The work device 24 is installed on the front vehicle body 28, and the base ends of the lift arms 42 are pivotally supported by a pair of arm mounting brackets 41 provided integrally with the front vehicle body 28, A connecting device (so-called quick coupler) 43 is pivotally supported at the tip of these lift arms 42, and various attachments (not shown) such as buckets or forks are connected with one touch through this connecting device 43. The

  The work device 24 includes a lift cylinder 42 that is axially connected between each arm mounting bracket 41 and each lift arm 42. The lift arm 42 is lifted and lowered, and a tilt cylinder 45 that is pivotally supported on the front vehicle body 28. As a result, the attachment such as the coupling device 43 and the bucket is tilted via the tilt lever 46 pivotally supported between the pair of lift arms 42 and the rod 47 pivotally coupled to the lower end of the tilt lever 46. It is rotated.

  The skeleton column 31 located on the front side of the cab is a hollow deformed tube bent into an inverted L shape, and at least the lower end of the deformed tube is opened. The rear body 26 of the body 22 is provided with a storage structure 51 for storing objects to be stored disposed below the skeleton column 31 on the side, and is used for raising and lowering the side of the body 22 below the storage structure 51. The footrest portion (so-called step) 52 is fixed.

  As shown in FIG. 1, the storage structure 51 is a cover structure in which a battery 53 as an object to be stored is stored, and a battery is fixed to the storage structure 51 by a fixing bracket 56 fixed with a screw 55. 53 is fixed.

  The storage structure 51 includes a water receiver 58 as a drainage guide means that faces the opening 57 at the lower end of the deformed tube of the skeleton column 31 and is fixed to the side surface of the machine body 22 on the battery 53. The water receiver 58 guides the drainage flowing down from the opening 57 at the lower end of the skeleton column 31 so as to avoid the battery 53.

  That is, as shown in FIG. 3, the water receiver 58 has a fixed portion 62 formed by folding back one side of the body 22 side with respect to the water receiving bottom plate portion 61 formed in a substantially triangular shape. The fixing portion 62 is fixed to the side surface of the mounting plate 22a on the machine body 22 side by a bolt 63. Further, a water-stopping edge portion 64 is formed by folding back one side portion from the water receiving bottom plate portion 61 upward, and a central portion of the oblique side portion of the water receiving bottom plate portion 61 is folded downward to fix the fixing portion 65. A long hole 66 is formed in the fixing portion 65, and a seal 67 formed of a resilient member such as rubber is attached to the remaining oblique side portion except for the fixing portion 65.

  The seal 67 is cut out at an acute angle portion farthest from the battery 53, and a drain groove 68 is formed. The water receiving bottom plate portion 61 is provided with a downward slope so that the drain groove 68 is located at the lowest position of the water receiving bottom plate portion 61.

  The storage structure 51 further includes a mounting support plate 71 fixed to the side surface of the mounting plate 22a on the machine body 22 side below the water receiver 58. The mounting plate 71 includes a bottom plate portion 72 that supports the bottom surface of the battery 53 and a side plate portion 73 that covers one side portion of the battery 53. The side plate portion 73 is formed along the wheel cover 25c (FIGS. 1 and 2) of the rear wheel 25.

  The bottom plate portion 72 is brought into contact with the mounting base portion 52a of the footrest portion 52. The bottom plate portion 72 is provided with a fixing portion 74 formed by folding upward, and the fixing portion 74 is provided by a bolt 75. The side plate 73 is fixed to the side mounting plate 22a, and the side plate 73 is provided with a fixing portion 76 that is folded back to the inside, and the fixing portion 76 is fixed to the mounting plate 22a on the body 22 side by a bolt 77. ing.

  An L-shaped stored object locking plate 78 that locks one side surface of the battery 53 is attached to the bottom plate portion 72 of the mounting support plate 71, and the other side surface of the battery 53 is mounted on the opposite side plate portion 73. A stored object locking portion 79 for locking the stored object is integrally formed, and the battery 53 is positioned by the stored object locking plate 78 and the stored object locking portion 79.

  Further, since the screw insertion hole 80 is formed in the bottom plate portion 72 of the mounting support plate 71, the fixing bracket 56 of the battery 53 is stopped by the screw 55 inserted into the screw insertion hole 80.

  Further, the mounting support plate 71 is formed with a slanted edge portion 81 at a position corresponding to the seal 67 of the water receiver 58, and two sets of bolts 82 and nuts 83 for fixing the side plates are attached to the slanted edge portion 81. It has been. A drainage cutout 84 is formed at the tip of the beveled edge 81.

  Further, a locking plate 85 for locking the door plate is attached to the back surface of the side plate portion 73, and a seal formed by an elastic member such as rubber on the outer edge of the side plate portion 73 across the locking plate 85. 86 is installed.

  And the storage structure 51 uses FIG. 4 using the long hole 66 provided in the fixing | fixed part 65 of the water receiver 58, and the volt | bolt 82 and nut 83 which were provided in the oblique edge part 81 of the mounting support plate 71. The side plate 87 is fixed to the water receiver 58 and the mounting support plate 71 as shown in FIG. On the back surface of the side plate 87, a fixed member fixed to the long hole 66 and a fixed plate fixed to the bolt 82 and the nut 83 are integrally provided.

  In this way, one side of the battery 53 is covered by the side plate portion 73 of the mounting support plate 71, and the other side of the battery 53 is covered by the side plate 87, and further, the side plate 87 is shown in FIG. A hinge door 88 is attached to the door plate 89 for maintenance so that the door plate 89 can be opened and closed. The door plate 89 has a lock mechanism 90 capable of fixing the closed door plate 89 closed to the side plate portion 73 of the support plate 71. Is provided. The lock mechanism 90 engages a lock member 91 (FIG. 1) rotated by a key with a locking plate 85 of the side plate portion 73.

  The footrest portion 52 supports the bottom plate portion 72 of the support plate 71 at the base end portion, and a tooth profile portion 52b for preventing slipping is formed at a tip portion protruding from the door plate 89.

  The opening surrounded by the upper edge of the side plate portion 73, the upper edge of the side plate 87, and the upper edge of the door plate 89 is closed by a floor plate (not shown) of the cab 23 as shown in FIG.

  Next, the function and effect of this embodiment will be described.

  When the side plate 87 is fixed to the water receiver 58 and the mounting support plate 71, the door plate 89 is closed and fixed by the lock mechanism 90, the side plate 87 and the door plate 89 are brought into close contact with the seal 67 of the water receiver 58, and the drainage is discharged. Since the periphery of the water receiver 58 is closed except for the groove 68, rainwater that has entered the deformed tube of the skeletal column 31 or condensation that has occurred in the deformed tube becomes water droplets at the lower end of the skeleton column 31. When the water flows down into the water receiver 58 from the opening 57, the water is changed so that the water flows downward only from the drain groove 68 located farthest from the battery 53. It flows out through the notch 84.

  During maintenance of the battery 53, the lock mechanism 90 is released and the door plate 89 is opened to check or replace the battery 53. The seal 86 functions as a cushioning material that cushions the contact when the door plate 89 is closed.

  A storage structure 51 having a water receiver 58 for guiding drainage flowing down from the opening 57 at the lower end of the tube of the skeleton column 31 of the cab 23 so as to avoid the battery 53 is disposed on the side surface of the body 22 below the skeleton column 31. Since it is arranged, the marginal space below the skeleton column 31 of the cab 23 can be effectively used as a storage space for the battery 53.

  The storage structure 51 having a strong cover structure for protecting the battery 53 can be configured by using the mounting plate 71, the side plate 87, and the door plate 89 together with the water receiver 58. Further, the maintenance of the battery 53 can be facilitated by opening the door plate 89.

  The storage structure 51 is arranged in a marginal space between the cab 23 and the footrest 52 so that the battery 53 can be stored in a space-efficient manner, and the door plate 89 receives an impact from the operator's legs, etc., hung on the footrest 52. The force can be distributed and received by the loading support plate 71, the side plate 87, and the water receiver 58, and durability can be ensured.

  In particular, the seal 67 provided on the water receiver 58 and the seal 86 provided on the side plate portion 73 of the mounting support plate 71 also function as cushioning materials that buffer the impact force received by the door plate 89. The metal contact at the contact portion between the members is prevented, which is effective in preventing damage.

  As described above, it is possible to provide the wheel loader 20 as a work machine that can effectively use the margin space below the skeleton column 31 of the cab 23 as a storage space for the battery 53. Since damage to the battery 53 due to rainwater or the like can be reliably prevented, the quality and reliability of the work machine can be improved.

  In the illustrated embodiment, the battery 53 is illustrated as an object to be stored, but the object to be stored may be another electric device or a tool box. Furthermore, although the dish-shaped water receiver 58 is illustrated as the drainage guide means, the drainage guide means may be formed in a duct shape.

  The present invention is applicable to vehicles and work machines such as wheel loaders.

1 is a perspective view showing an embodiment of a vehicle according to the present invention. 1 is a perspective view showing an embodiment of a work machine according to the present invention. It is a perspective view which shows the decomposition | disassembly state of the storage structure provided in the vehicle same as the above. It is an external appearance perspective view of a storage structure same as the above. It is a perspective view which shows the conventional working machine.

Explanation of symbols

20 Wheel loaders as work machines
21 vehicles
22 Airframe
23 cab
24 work equipment
31 Skeletal column
51 Storage structure
52 Footrest
53 Battery as storage
57 opening
58 Water receiver as drainage guide
71 Mounting plate
72 Bottom plate
73 Side plate
87 Side plate
89 Door plate

Claims (4)

The aircraft,
With a cab mounted on the aircraft,
The cab includes a skeleton column body that is hollow and has an open lower end,
The fuselage is provided with a storage structure on the side for storing the objects to be stored arranged below the skeletal column,
The storage structure is provided with drainage guide means for guiding water so as to avoid an object to be stored. The storage structure
A water receiver that faces the opening at the lower end of the skeletal column and is fixed to the side of the fuselage on the object to be stored;
A supporting plate having a bottom plate portion fixed to the side surface of the machine body and supporting the bottom surface of the storage object and having a side plate portion covering one side portion of the storage object;
A side plate fixed to the water receiver and the support plate and covering the other side of the stored object;
The vehicle according to claim 1, further comprising a door plate that is attached to the side plate so as to be openable and closable and can be fixed to the side plate portion of the mounting plate in a closed state. The vehicle according to claim 2, further comprising an ascending and descending footrest portion fixed to a side surface of the airframe at a lower side of the storage structure and protruding from a door plate. A vehicle according to any one of claims 1 to 3;
A work machine comprising: a work device installed in the vehicle.

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