JP3436659B2 - Slope work vehicle - Google Patents

Description

Description: BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a slope work vehicle provided with an engine used for lifting and lowering luggage on a slope and working with a hydraulic machine or the like. About. 2. Description of the Related Art Heretofore, a slope working vehicle that performs work on a slope of this kind uses an engine for running the vehicle or an engine for driving a working machine on a work bench. [0003] A slope working vehicle equipped with a conventional engine has no problem in use in a place where the slope angle is small, but when the slope angle is large, there is no problem. The engine also has a disadvantage that it can be used only on a low-inclined surface portion because the engine is similarly inclined and suffers from problems such as seizure. The present invention has been made in view of the above-mentioned conventional drawbacks,
Even if the slope angle is large, the engine will not seize,
It is an object of the present invention to provide a slope work vehicle that can be reliably driven to perform work. The above and other objects and novel features of the present invention will become more completely apparent when the following description is read in conjunction with the accompanying drawings. However, the drawings are for explanation only, and do not limit the technical scope of the present invention. [0006] In order to achieve the above object, the present invention relates to a slope having an engine for driving a driving machine or a working machine for performing various operations while traveling on the slope. In a working vehicle, in a slope working vehicle attached to an engine support table that is rotated by a rotation mechanism mounted on a vehicle body so that the engine can always be positioned substantially horizontally, the work table support device may include: A column fixed on both sides of the front side of the vehicle body so as to protrude upward, and formed on lower surfaces on both sides on the front side of the worktable, each of which is rotatably attached to the upper portion of the column by a pivot pin. A supporting member slidably supported by the slide rail, a lower portion pivotally supported by pivot pins on both sides closer to the front than the center of the vehicle body, and an upper portion closer to the rear than the center of the worktable. Both sides A supporting arm pivotally supported by a pivot pin at each position, a connecting arm having both ends fixed to a substantially central portion of the supporting arm, and one end pivotally supported at a substantially central portion of the connecting arm, and A slope work vehicle is constituted by using a worktable rotating hydraulic cylinder pivotally supported by a pivot pin at a substantially central portion of a rear portion of the vehicle body. Hereinafter, the present invention will be described in detail with reference to embodiments shown in the drawings. In the first embodiment of the present invention shown in FIGS. 1 to 12, reference numeral 1 denotes a vehicle body on which a traveling device 3 capable of traveling on a sloped frame 2 is mounted.
Is formed in a strong structure using steel. The traveling device 3 is mounted on the bottom of the front, rear, left and right portions of the vehicle body 1 by pivot pins 4, 4, 4, 4 so as to be rotatable in the vertical direction. 5, 5, 5, and a wheel hydraulic motor 6 at the tip of the wheel support arms 5, 5, 5, 5.
Drive tire wheels 7, 7, 7, 7 driven by 6, 6, 6
And one end for vertically rotating the wheel support arms 5, 5, 5, 5 is pivotally supported by upper and lower left and right portions of the vehicle body 1 with pivot pins 8, 8, 8, 8, respectively. A pivot pin 9 is provided substantially at the center of the wheel support arms 5, 5, 5, 5.
Hydraulic cylinders for wheels 10, 1 pivoted at 9, 9, 9
0, 10, and 10. Reference numerals 11 and 12 denote front and rear wheel release preventing rollers when the vehicle runs on the legal frame 2 attached to the bottom of the vehicle body 1 near the front and rear portions.
Reference numeral 12 denotes a plurality of roller support members 14 each having a roller 13 fixed to the bottom surface of the vehicle body 1 through a small gap, and four roller support members 14 are used in this embodiment. [0015] Reference numeral 15 denotes that, when the vehicle body 1 is located on the slope 2 of the slope, it is rotated substantially horizontally at the upper position of the body 1 and the center of gravity is moved to the upper side of the slope 2 of the slope. The work table 15 is mounted via a work table support device 16 which is capable of forming a frame 17 made of a steel material.
Work table body 19 formed by welding and fixing steel plate 18 to
And a fence 2 covering the upper outer peripheral portion of the worktable body 19
0. The workbench support device 16 is supported on both sides of a front side of the vehicle body 1 so as to protrude upward.
1, 21 and a pivot pin 2
Support members 24, 24 slidably supported by slide rails 23, 23 formed on the lower surface on both sides on the front side of the worktable 15, respectively, which are rotatably mounted by the support members 2, 22; The center of the vehicle body 1 is pivotally supported by pivot pins 25 on both sides closer to the front, and the upper part is pivotally supported by pivot pins 26 on both sides closer to the rear than the center of the worktable 15. Support arm 27,2
7, a connection arm 28 having both ends fixed to substantially the center of the support arms 27, 27, one end pivotally supported at the substantially center of the connection arm 28, and the other end substantially centered at the rear of the vehicle body 1. And a worktable rotating hydraulic cylinder 30 pivotally supported by a pivoting pin 29 at its part. Reference numerals 31, 31 denote a winch hydraulic motor 32, which is installed at the rear of the vehicle body 1 so as to protrude rearward.
The right and left winches 31 and 31 can rotate the drums 33 and 33 respectively at 32.
Are attached to anchor pins 35, 35 fixed at the upper positions of the slopes using wires 34, 34 wound around the drums 33, 33 of the winches 31, 31, so that the vehicle body 1 is placed on the sloped frame 2 of the slope. Is used to keep safe. In this embodiment, instead of the right and left winches 31, 31, a wire locking tool to which the wires 34, 34 of the winches 31, 31 installed at the upper positions of the slopes 2 of the slopes are attached, is used. It may be attached to. Numeral 36 denotes a hydraulic pump installed on the bottom surface of the work table 15 as shown in FIGS. 1, 9 and 12, and this hydraulic pump 36 is driven by an engine 37 installed on the bottom surface of the work table 15. It is configured to be. Reference numeral 38 denotes a swing boom which is mounted on the front upper portion of the work table 15 so as to rotate in the front-rear and left-right directions. The swing boom 38 is pivotally supported by a mounting table 39 projecting from the front upper portion of the work table 15. A support base 41 rotatably mounted by pins 40, a support base hydraulic cylinder 42 for rotating the support base 41 in the front-rear direction, and a support base hydraulic motor for rotating the support base 41 in the left-right direction. 4
3 and a swing boom main body 45 attached via a rotating mechanism 44 using the same. Reference numeral 46 denotes a drilling device for forming a hole in the lawn frame 2 formed on the slope surface selectively attached to the tip of the swing boom 38. The drilling device 46 is mounted on the swing boom 38. And a hydraulic drifter 48 attached to the guide shell 47. The engine 3 is provided above the work table 15.
A battery 49 and a fuel tank 50 for operating the fuel cell 7 are provided, and a hydraulic oil tank 51 for supplying hydraulic oil to the hydraulic pump 36 is provided. Reference numerals 52, 52 denote a pair of vehicle body locking devices attached to the front of the vehicle body 1.
Reference numerals 2 and 52 denote pivot pins 5 at the front of the vehicle body 1 except for the center.
Fixed arm 5 rotatably mounted via 3, 53
4, 54, and one end for rotating the fixed arms 54, 54 are pivotally supported by the vehicle body 1, and the other ends are fixed arms 54, 54.
Hydraulic cylinders 55, 5
5, fixed lock pieces 56, 56 fixed so as to protrude downward near the distal ends of the fixed arms 54, 54;
Movable lock pieces 57, 57 slidably attached to the fixed arms 54, 54;
7 and 57, which are movable lock member hydraulic cylinders 58 and 58 for sliding movement. As shown in FIG. 9, the slope working vehicle 59 having the above-described structure is configured such that the wires 34, 34 of the right and left winches 31, 31 are provided.
Anchor pin 3 fixed at the upper position of the slope to work
5 and 35, and while the wires 34, 34 are wound, the hydraulic motors 6, 6, 6, 6 for the wheels are driven,
Each of the driving tire wheels 7, 7, 7, 7 can be rotated and run in the front-rear direction. At this time, the operation of the wheel hydraulic cylinders 10, 10, 10, 10 as shown in FIG.
The height of the vehicle body 1 can be adjusted arbitrarily, and when the drive tire wheels 7, 7, 7, 7 are removed from the slope 2 of the slope, as shown in FIG. The front and rear wheel release prevention rollers 11 and 12 attached to the vehicle contact the legal frame 2 to prevent the vehicle body 1 from tilting. When the vehicle body 1 travels on the slope 2 of the slope, as shown in FIG. 6, the worktable rotating hydraulic cylinder 30 of the worktable support device 16 is actuated to position the worktable 15 in a substantially horizontal state. Therefore, seizure of the engine 37 can be prevented. At this time, as shown in FIG. 11, the workbench 15 slides forward of the vehicle body 1 and its center of gravity moves forward. [0023] For this reason, even in the slope 2 of the slope, which is a slope, a substantially uniform load is applied to all the wheels, so that stable and efficient running can be performed, and the work table 15 slides in the slope direction. Therefore, the work bench 15 approaches the slope, and the work from the work bench 15 to the slope can be performed easily. When the vehicle body 1 rises to the position where the work is performed, as shown in FIG.
By operating the movable lock piece hydraulic cylinders 58, 58, a pair of vehicle body lock devices 5 are attached to the horizontal bar 2 a of the legal frame 2.
The vehicle body 1 is fixed at 2 and 52. In this state, as shown in FIG. 9, the operation of operating the hole punching device 46 to form the hole 60 at the intersection of the legal frame 2 is performed. Next, different embodiments of the present invention will be described with reference to FIGS.
Hereinafter, different embodiments of the present invention will be described. In the description of the different embodiments of the present invention, the same components as those of the first embodiment of the present invention are denoted by the same reference numerals, and redundant description will be omitted. The second embodiment of the present invention shown in FIGS. 13 to 15 differs from the first embodiment of the present invention mainly in the endless tracks 61 attached to both sides of the vehicle body 1. , 61 and the engine 37 and the engine 3 mounted in a suspended state on the work table 15 used for a hydraulic backhoe or the like for driving the endless tracks 61, 61
A traveling device 3A comprising a hydraulic drive device 62 composed of a hydraulic pump 36A driven by a motor 7 and a free end mounted on a rear portion of the vehicle body 1 so as to be vertically rotatable by a pivot pin 63. A hydraulic cylinder main body 64 as a rotating arm protruding backward from the hydraulic cylinder main body 64, an operating rod 65 as a telescopic arm that expands and contracts from the hydraulic cylinder main body 64, and a roller 66 rotatably attached to a distal end portion of the operating rod 65. The tipping prevention member 67 has one end pivotally supported by a pivot pin 68 at a position near the distal end of the hydraulic cylinder main body 64 and the other end pivotally supported by the vehicle body 1 at a position where the hydraulic cylinder main body 64 can be rotated. A hydraulic cylinder 70 as a pressing device capable of constantly pressing the free end of the tipping prevention member 67 pivotally supported by the pin 69 against the ground with a constant pressing force. With the provision of the overturn prevention device 71, the same operation as that of the first embodiment of the present invention can be applied to the slope working vehicle 59A configured using such a traveling device 3A or the overturn prevention device 71. The effect is obtained,
The overturn prevention device 71 can support the load of the vehicle body 1 in the overturning direction and efficiently prevent overturning on the slope. The slope work vehicle considered by the inventor of the present invention shown in FIGS. 16 to 18 is different from the second embodiment of the present invention mainly in that a work table 15A is fixed to the vehicle body 1,
The driver's cab 72 is attached to the vehicle body 1 via a rotating mechanism 73 that can always position the driver's cab 72 substantially horizontally.
A hydraulic drive 62 is mounted on a lower frame 72a of the cab 72.
May be configured as the slope work vehicle 59B in such a manner that the engine support base 74 on which is installed is fixed. The pivoting mechanism 73 includes a support piece 76 pivotally supported by the vehicle body 1 at the front by a pivot pin 75 fixed to a lower portion of the front of the operator's cab 72. The front end of the operating rod 78 is pivotally supported by a pivot pin 77 at the lower rear portion, and the hydraulic cylinder 80 for rotation is pivotally supported on the vehicle body 1 by the pivot pin 79 at the rear end. The slope work vehicle considered by the inventor of the present invention shown in FIGS. 19 to 21 differs from the slope work vehicle shown in FIGS. 16 to 18 mainly in that the front wheel 81,
81, rear wheels 82 and 82, and
And an engine support 74A on which the engine 37 is mounted on the vehicle body 1 via a rotation mechanism 73, and the driving force of the engine 37 is interposed by a slide shaft 84. Power transmission mechanism 8 similar to truck
The slope work vehicle 59C configured as described above may be configured in such a manner that it is transmitted to the rear wheels 82, 82 via the fifth wheel 5. As is clear from the above description, the following effects can be obtained in the present invention. (1) A vehicle body on which a traveling device capable of traveling on a slope is mounted, a workbench located above the vehicle body, and a workbench that is mounted on the workbench when the vehicle body is positioned on the slope. A workbench support device capable of rotating substantially horizontally, and an engine for operating a work machine or the like attached to the workbench, wherein the workbench support device comprises A column fixed to both sides of the front side of the vehicle body so as to protrude upward, and each of the columns is rotatably mounted on a top of the column by a pivot pin.
A support body slidably supported by slide rails formed on lower surfaces on both front sides of the worktable, and a lower portion pivotally supported by pivot pins on both sides closer to the front than the center of the vehicle body, A support arm having an upper portion pivotally supported by pivot pins on both sides closer to the rear than the center of the worktable; a connection arm having both ends fixed to substantially the center of the support arm; One end is pivotally supported at a substantially central portion, and the other end is constituted by a worktable rotating hydraulic cylinder pivotally supported by a pivot pin at a substantially central rear portion of the vehicle body. The mechanism can be operated to position the engine support substantially horizontally. Therefore, the engine can be driven in the same manner as a flat surface, and work can be performed efficiently, without the engine being driven or seizing on a slope having a large inclination angle as in the related art. (2) According to the above (1), it is only necessary to mount the engine support base on which the engine is mounted to the vehicle body via the rotating mechanism. (3) According to the above (1), the engine support can be positioned substantially horizontally by the operation of the rotating mechanism, so that the operation is easy and easy. (4) According to the above (1), the workbench can be slid forward by the workbench support device and the center of gravity can be moved forward. Therefore, almost even load is applied to all wheels even on the slope of the slope, which is a slope, and stable and efficient running can be performed. The work table approaches and the work from the work table to the slope can be performed easily.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a side view of a first embodiment of the present invention. FIG. 2 is a plan view of the first embodiment of the present invention. FIG. 3 is a rear view of the first embodiment of the present invention. FIG. 4 is a bottom view of the first embodiment of the present invention. FIG. 5 is an explanatory view of height adjustment of the vehicle body according to the first embodiment of the present invention. FIG. 6 is an explanatory diagram of a moving state of a worktable according to the first embodiment of the present invention. FIG. 7 is an explanatory diagram of a workbench support device according to the first embodiment of the present invention. FIG. 8 is an explanatory view of the vehicle body lock device according to the first embodiment of the present invention. FIG. 9 is an explanatory diagram of a use state according to the first embodiment of the present invention. FIG. 10 is an explanatory diagram showing a positional relationship between a wheel removal prevention roller and a drive tire wheel on a legal frame when the first embodiment of the present invention is used. FIG. 11 is an explanatory diagram of the movement of the center of gravity due to the movement of the work table according to the first embodiment of this invention. FIG. 12 is an explanatory diagram of an engine and a hydraulic pump according to the first embodiment of the present invention. FIG. 13 is a side view of the second embodiment of the present invention. FIG. 14 is a rear view of the second embodiment of the present invention. FIG. 15 is an enlarged side view of a main part of the second embodiment of the present invention. FIG. 16 is a side view of a slope work vehicle considered by the present inventor. FIG. 17 is a front view of a slope work vehicle considered by the present inventor. FIG. 18 is an explanatory diagram of a use state of the slope work vehicle considered by the present inventor. FIG. 19 is a side view of a different slope work vehicle considered by the present inventor. FIG. 20 is a sectional view taken along the line 20-20 in FIG. 19; FIG. 21 is an explanatory diagram of a use state of a different slope work vehicle considered by the present inventor. [Explanation of Signs] 1: Body, 2: Legal frame, 3, 3A:
Traveling device, 4: pivot pin, 5: wheel support arm, 6: hydraulic motor for wheels, 7: driving tire wheel, 8: pivot pin, 9: pivot pin,
10: Hydraulic cylinder for wheels, 11: Front derailment prevention roller, 12: Rear derailment prevention roller, 13:
Roller, 14: Roller support bracket, 1
5, 15A: work table, 16: work table support device, 1
7: frame, 18: steel plate, 19: workbench body, 20: fence, 21: support,
22: pivot pin, 23: slide rail,
24: support, 25: pivot pin, 2
6: pivot pin, 27: support arm, 28: connection arm, 29: pivot pin, 30: hydraulic cylinder for worktable rotation, 31: winch, 32: hydraulic motor for winch, 33: drum, 3
4: wire, 35: anchor pin, 36, 3
6A: hydraulic pump, 37: engine, 3
8: swing boom, 39: mounting stand, 4
0: pivot pin, 41: support, 42: hydraulic cylinder for support, 43: hydraulic motor for support,
44: rotating mechanism, 45: swing boom body, 46:
Drilling device, 47: Guide shell, 48: Hydraulic drifter, 49: Battery, 50: Fuel tank, 51: Working oil tank, 52: Body lock device, 53: Pivot pin, 54: Fixed arm, 55: Fixed arm Hydraulic cylinder, 56: fixed lock piece, 57: movable lock piece, 58: hydraulic cylinder for movable lock piece, 59, 59A, 59B, 59
C: slope work vehicle, 60: hole, 61:
Endless track, 62: hydraulic drive, 63: pivot pin, 64: hydraulic cylinder body, 65: operating rod, 6
6: roller, 67: fall prevention member, 6
8: pivot pin, 69: pivot pin, 70: hydraulic cylinder, 71: fall prevention device, 72: driver's cab, 73: rotating mechanism, 74, 74A: engine support, 75: pivot pin, 76: Supporting piece, 77: pivot pin, 78: operating rod, 7
9: pivot pin, 80: hydraulic cylinder for rotation, 81: front wheel, 82: rear wheel, 8
3: bed, 84: slide shaft, 85:
Power transmission mechanism.

   ────────────────────────────────────────────────── ─── Continuation of front page       (56) References JP-A-6-173289 (JP, A)                 JP-A-10-266252 (JP, A)                 JP-A-10-237892 (JP, A)                 JP-A-9-95981 (JP, A)                 JP-A-5-118053 (JP, A)                 JP-A-8-199580 (JP, A)

Claims (1)

(57) [Claim 1] A vehicle body on which a traveling device capable of traveling on a slope is mounted, a work table located above the vehicle body, and the work table When located on a slope,
A workbench support device that can be rotated substantially horizontally,
A slope work vehicle, comprising: an engine that operates a work machine or the like attached to the work table;
A column fixed to the work table support device so as to protrude upward on both sides of the front side of the vehicle body, and a front of the work table, which is rotatably attached to an upper portion of the column by a pivot pin. A support that is slidably supported by slide rails formed on lower surfaces of both sides of the vehicle body, a lower portion pivotally supported by pivot pins on both sides closer to a front portion than a center portion of the vehicle body, and an upper portion includes the worktable; A supporting arm pivotally supported by a pivot pin on both sides closer to the rear than the center of the connecting arm, a connecting arm having both ends fixed substantially at the center of the supporting arm, and one end substantially at the center of the connecting arm A work platform rotating hydraulic cylinder pivotally supported at the other end substantially at the center of the rear portion of the vehicle body by a pivot pin.