JP6649658B2 - Slope work vehicle - Google Patents

Description

  The present invention relates to a slope work vehicle capable of moving a slope and forming a lock bolt insertion hole and a ground anchor insertion hole.

  Conventionally, a traveling device capable of traveling on a slope and a vehicle body equipped with a winch are used to form a lock bolt insertion hole or the like, which is hung by a winch wire and runs on a slope or a slope. A worktable located at the upper part of the vehicle body, and a support body that supports the worktable attached to the front side of the vehicle body as a fulcrum so that the rear side thereof can be pivoted upward and slidably in the front-rear direction, There is known a slope work vehicle (see Patent Document 1) including a workbench support device including a rotation device for rotating the support and a workbench moving device for slidingly moving the workbench.

  However, when working on a steep slope, a slope work vehicle with a winch on the vehicle body is almost in a state of being suspended in the air, so the force to press the vehicle body against the slope surface is weak, and as a result, the slope traveling There is a disadvantage that drilling and drilling work cannot be performed sufficiently.

Japanese Patent No. 2965247

  The present invention has been made in view of the above-described conventional drawbacks, and has as its object to be able to stably run and work even on a steep slope.

In order to achieve the above object, a slope working vehicle according to the present invention includes a working vehicle body, a telescopic mechanism provided at left and right portions of the working vehicle main body and capable of expanding and contracting in the left-right direction, A plurality of tires provided through a plurality of tire cylinders that can be vertically expanded and contracted in each part, and a support tool cylinder that can be vertically expanded and contracted in front, rear, left and right parts of the bottom portion of the working vehicle body. A plurality of stand-shaped supports that can support the work vehicle body when the expansion and contraction mechanism expands and contracts in the left-right direction, and are provided so as to protrude forward of the work vehicle body, and A worktable rotatably provided via a rotation shaft located above the tool cylinder, a drilling device provided on the upper part of the worktable, and a plurality of worktables mounted on left and right portions at the rear of the worktable No ui And an engine provided at the bottom on the front side of the worktable. The engine moves the center of gravity of the slope work vehicle forward by rotating the worktable during work on the slope. It is characterized in that it is provided at a position where it can be made to work.

The present invention has the following effects.
(1) According to the first aspect of the present invention, since the winch is provided at the rear part of the rotatable worktable, the winch wires are substantially parallel to the slope and are in a state close to suspension. Can be prevented.
Therefore, the vehicle can run in a stable state even on a steep slope, which contributes to an improvement in work efficiency.
(2) In addition, a load that presses the slope working vehicle against the slope is generated in the slope working vehicle, and it is possible to prevent the slope working vehicle from falling down or becoming unstable during working on the slope as much as possible.
(3) A drilling operation can be performed by a drilling device.
(4) Since the engine is provided at the bottom of the worktable, the center of gravity of the slope work vehicle can be lowered, and the work on the slope can be performed more stably.

FIG. 1 to FIG. 7 are explanatory diagrams showing a first embodiment of the present invention.
8 to 10 are explanatory views showing a second embodiment of the present invention.
The side view of the slope work vehicle of a 1st embodiment of the present invention. The top view of a slope work vehicle. The side view at the time of slope running. The front view at the time of slope running. FIG. Explanatory drawing of an expansion-contraction mechanism. Explanatory drawing at the time of drilling. The side view of the slope work vehicle of a 2nd embodiment of the present invention. The top view of a slope work vehicle. Side view at the time of work.

  Hereinafter, the present invention will be described in detail with reference to the drawings for carrying out the present invention. The up-down direction is a direction in which the work vehicle body is raised and lowered, the left-right direction is a left-right direction in plan view (FIGS. 2 and 4), and the front-rear direction is a top-down direction in plan view. The slope side is a direction (upper left direction in FIG. 3, a mountain side) pulled by a winch wire during work on the slope, and is an upward direction in FIG. 4. The valley side means the opposite direction to the slope side.

  In a first embodiment for carrying out the present invention shown in FIGS. 1 to 7, 1 is a method capable of running on a slope 2 as shown in FIGS. 3 and 4 and forming a lock bolt insertion hole or the like. It is a surface work vehicle.

  As shown in FIG. 1, the slope work vehicle 1 includes a rectangular plate-shaped work vehicle main body 3, a telescopic mechanism 4 provided at left and right portions of the work vehicle main body 3, and capable of expanding and contracting in the left-right direction. A plurality of tires 6 as a traveling device 6 provided in front and rear portions of the telescopic mechanism 4 through a plurality of tire cylinders 5 which can expand and contract in a vertical direction, respectively, and front and rear of a bottom portion of the work vehicle body 3. A plurality of stand-shaped supports 9 which are provided at right and left portions through support member cylinders 8 which can be expanded and contracted in the vertical direction, and which can support the work vehicle body 3 when the expansion and contraction mechanism 4 expands and contracts in the left and right directions. A work table 11 provided so as to protrude forward of the work vehicle main body 3 and rotatably provided via a rotation shaft 10 of a support table 3a positioned above the support tool cylinder; Provided on the upper part of the work table 11 That drilling apparatus 12, a plurality of winch 7 mounted to the rear of the left and right portions of the worktable 11, and a engine 13 provided at the bottom of the front side of the worktable 11.

  As shown in FIG. 6, for example, as shown in FIG. 6, the telescopic mechanism 4 is a pair of left and right tire mountings mounted on left and right portions of the work vehicle body 3 via a pair of front and rear telescopic mechanism hydraulic cylinders 14 that expand and contract in the left and right directions. A plurality of (four in total) tire hydraulic cylinders 5 having one end attached to the front and rear portions of the tire attachment portion 15 and having the tire 6 attached to the other end (operating rod 5a). It is composed of The tire mounting portion 15 can be expanded and contracted in the left-right direction by the hydraulic cylinder 14 for the expansion and contraction mechanism.

  The drilling device 12 is one that has been used conventionally. For example, as shown in FIGS. 1 and 2, a support table 18 rotatably mounted on a mounting table 16 protruding from the front upper portion of the work table 11 by a pivot pin 17, and the support table 18 is rotated And a swing boom 22 attached to the support base 18 via a rotation mechanism 21 using a support base hydraulic motor 20 for rotating the support base 18 in the left-right direction. A guide shell 23 formed with a lock bolt insertion hole and a ground anchor insertion hole in the side surface 2 selectively attached to the portion, a hydraulic drifter 24 attached to the guide shell 23, and attached to the hydraulic drifter 24. And a rod 25 having a bit at the tip.

  The worktable 11 is rotatably provided on a rotating shaft 10 provided in front of the work vehicle body 3 as shown in FIG. 5. This is performed by extending the operating rod 26a of the hydraulic cylinder 26 connected to the left and right bottom surfaces of the worktable 11 provided on the work table 11. A drilling device 12 is provided on the front side of the worktable 11, and two winches 7 are provided on left and right rear portions.

The engine 13 is used for running the slope work vehicle 1 and for operating the hydraulic drifter 24. In the present embodiment, the engine 13 is provided at the front bottom of the worktable 11.
When working on the slope 2, the slope working vehicle 1 is positioned below the slope 2, and the distal ends of the wires 27 of the right and left winches 7 are fixed to the main anchors 28 on the upper slope. When the wire 27 is fixed to the main anchor 28, the winch 7 is wound up and advanced. At this time, the vehicle may travel on a slope using the power of the engine 13 together with the traction force of the winch 7.
The winch 7 is desirably provided at a rear portion above the worktable 11, but the winch 7 may be provided at a position closer to the front if the slope working vehicle 1 is a portion that does not suspend in a suspended state on a steep slope. Good.

In addition, the operating rod 8a of the support hydraulic cylinder 8 of the support 9 is extended to bring the work vehicle main body 3 into a state where the work vehicle body 3 is supported by the support 9 (the tire 6 is in a floating state). One of the tire mounting portions 15 (for example, the left tire mounting portion) is extended, the operating rod 8a of the support hydraulic cylinder 8 of the support 9 is contracted, and the tire 6 is grounded. The other tire mounting portion 15 (for example, the right tire mounting portion) is extended while being contracted. In this state, if the work vehicle body 3 is again supported by the support 9 (the tire 6 is in a floating state) and the tire 6 is grounded after the other tire mounting portion 15 is contracted, the support 9 and the telescopic mechanism 4 Thereby, the work vehicle body 3 itself can be moved in the left-right direction.
It is preferable to extend the operating rod 26a of the hydraulic cylinder 26 so that the work table 11 is substantially horizontal when the vehicle is running on a slope, and to rotate the operating shaft 26 about the rotating shaft 10.

  When the slope work vehicle 1 arrives at the work position, the hydraulic cylinder 19 for the support base of the drilling device 12 and the rotating mechanism 21 are operated, and the swing boom 22 is rotated to form the lock bolt insertion hole and the ground anchor insertion hole. Then, the hydraulic drifter 24 is driven by the engine 13 to form a lock bolt insertion hole and a ground anchor insertion hole with the bit at the tip of the rod 25.

  Since the winch 7 is provided behind the rotatable worktable 11, even when traveling or working on a steep slope, the angle is maintained with respect to the slope 2 (parallel to the slope 2). (Because it does not become close), a sufficient load that presses the slope work vehicle 1 against the slope can be obtained, and it can be prevented from falling over or hanging in the air, and the slope running and the work on the slope can be performed safely. be able to.

  If the workbench 11 is rotated while the slope work vehicle 1 is positioned on the slope, the wire 27 is loosened or an excessive load is applied to the wire 27. The winch 7 is operated so that the load applied to the wire 27 is properly adjusted. This operation may be manually performed by an operator, or may be automatically performed by a program or the like.

  In this embodiment, since the rotating shaft 10 is located in front of the work vehicle main body 3, when the work table 11 is rotated to a work angle, the work table 11 Although there is a possibility of collision with the slope 2, in such a case, the hydraulic cylinder for tire 5 is extended, and the height of the work vehicle body 3 itself is raised to a height at which the worktable 11 does not collide with the slope 2. And good. In order to prevent the engine 13 from colliding when the worktable 11 rotates, a recess may be formed in the front central portion of the work vehicle body 3. When the recess is not formed, the installation height of the engine 13 is adjusted so that the work vehicle body 3 does not collide with the engine 13.

[Different embodiments for carrying out the invention]
Next, different modes for carrying out the present invention shown in FIGS. 8 to 10 will be described. In the description of these different embodiments for carrying out the present invention, the same components as those in the first embodiment for carrying out the present invention will be assigned the same reference numerals and overlapping explanations will be omitted.
The second embodiment for carrying out the present invention shown in FIGS. 8 to 10 is different from the first embodiment for carrying out the present invention mainly in that one winch 7 is placed behind a worktable 11. Aside from using the telescopic mechanism 4 and the support 9, the tire 6 is mounted on the work vehicle main body 3 </ b> A via a non-expandable tire mounting shaft 29, and the work table 11 is not provided with the drilling device 12. Since the vehicle 1A is used, such a slope working vehicle 1A can also be used as a moving scaffold for the slope.

  Note that, in the embodiment of the present invention, a description has been given of a device using tires as the traveling device. However, an endless track may be used as the traveling device.

In the embodiment of the present invention, the engine is provided on the front bottom portion of the worktable. However, the engine may be provided on the work vehicle body or the like.
Further, a wire fair leader, a pulley, or the like may be further provided at a portion on the front side of the worktable to guide the winch wire.

  INDUSTRIAL APPLICATION This invention is utilized in the industry which manufactures a slope work vehicle used when performing various operations on a slope such as a slope that is suspended by a winch wire.

1, 1A: slope work vehicle, 2: slope,
3, 3A: work vehicle body, 4: telescopic mechanism,
5: Hydraulic cylinder for tire, 6: Traveling device (tire),
7: winch, 8: hydraulic cylinder for support,
9: support, 10: rotary shaft,
11: work table, 12: drilling machine,
13: engine, 14: hydraulic cylinder for telescopic mechanism,
15: tire mounting part, 16: mounting base,
17: pivot pin, 18: support,
19: Hydraulic cylinder for support, 20: Hydraulic motor for support,
21: rotating mechanism, 22: swing boom,
23: guide shell, 24: hydraulic drifter,
25: rod, 26: hydraulic cylinder,
27: wire, 28: main anchor,
29: Tire mounting shaft.

Claims (1)

A work vehicle main body, a telescopic mechanism provided at left and right portions of the work vehicle main body and capable of expanding and contracting in the left and right direction, and a plurality of tire cylinders which can be vertically expanded and contracted respectively at front and rear portions of the telescopic mechanism. A plurality of tires provided and provided at the front and rear and left and right portions of the bottom surface portion of the working vehicle body via supportable cylinders which can be vertically expanded and contracted, and when the expansion and contraction mechanism expands and contracts in the left and right direction. A plurality of stand-shaped supports capable of supporting the work vehicle body, and provided to protrude forward of the work vehicle body and rotatably provided via a rotation shaft positioned above the support tool cylinder. A workbench provided, a drilling device provided at the top of the workbench, a plurality of winches attached to left and right portions at the rear of the workbench, and an engine provided at a front bottom of the workbench The engine is provided at a position where the center of gravity of the slope work vehicle can be moved forward by rotating the work table during work on the slope. Slope work vehicle.

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