JP6773266B2 - Slope work platform - Google Patents

Description

The present invention relates to a slope work platform capable of moving on a slope.

Conventionally, as a slope work vehicle that is suspended by a winch wire and travels on the slope or the slope frame to form a lock bolt insertion hole or the like, "a work vehicle capable of traveling on the slope" has been used. The main body, the wire fair leader attached to the front part of the work vehicle main body, and the work vehicle main body were attached so as to be suspended from the upper part of the slope via the wire fair leader. A hanging tool using a winch that can wind up the wire and a part where the wire does not have a large running resistance when the work vehicle body is running, and the wire falls backward of the work vehicle body at the work part. It is a slope work vehicle characterized by consisting of a wire up-and-down movement mechanism that can be positioned at a part that acts so as to be able to prevent the swelling. A slope work vehicle having a left-right rotation mechanism composed of a support arm that rotates in the left-right direction and a left-right hydraulic cylinder that rotates the tip of the support arm in the left-right direction is known. ing.

However, in such a slope work vehicle, since the winch is attached to the work vehicle body, the width between the left and right wires is about the width of the work vehicle body, so that the width between the left and right wires is narrow. There was a drawback that the work vehicle body became unstable on the slope.
In addition, since the width between the left and right wires is about the width of the work vehicle body, the wires become an obstacle when working on a slope work vehicle, and in some cases, the machine mounted on the wire and the slope work vehicle. Since (in the patent document, the arm of the drilling device, etc.) interferes with the winch wire, there is a drawback that the machine must be moved so as not to interfere with the winch wire.

Japanese Unexamined Patent Publication No. 2001-123784

In view of the above-mentioned conventional drawbacks, the present invention provides a slope work platform in which the work vehicle body does not become unstable on the slope and the machine mounted on the slope work vehicle does not interfere with the winch wire. I am aiming.

In order to achieve the above object, the slope work vehicle of the present invention is provided on the work vehicle main body and the left and right portions of the work vehicle main body, respectively, and has a tire mounting portion that can be expanded and contracted in the left-right direction, and the left and right tire mounting portions. A wire fair that is provided at the front and rear parts of the portion, tires attached to the left and right tire mounting portions, and front portions of the left and right tire mounting portions, respectively, to guide the wire of the winch. It consists of a leader .

As is clear from the above description, the following effects can be obtained in the present invention.
(1) In the invention according to claim 1, since the winches are attached to the left and right tire mounting portions, the winches can be positioned widely in the left-right direction, so that the work vehicle body can be mounted on the slope. It can be more stable.
(2) In the invention according to claim 2, the same effect as in (1) can be obtained, and since winches are attached to the left and right tire attachment portions, when the arm is rotated in the left-right direction. In addition, it is possible to prevent the winch wire and the arm from interfering with each other.
(3) Further, since the arm can be rotated in the left-right direction, holes can be drilled at the left and right positions of the work portion without moving the work vehicle body left and right.
Therefore, holes can be easily drilled at the left and right positions of the work site.
(4) In the invention according to claim 3, the same effects as those in (1) to (3) above can be obtained, and since the tire is provided via a cylinder that can be expanded and contracted in the vertical direction, the slope and the slope can be obtained. Even if the law frame has irregularities, the work vehicle body can be kept substantially parallel to the slope.
(5) In the invention according to claim 4, the same effects as those in (1) to (4) above can be obtained, and the support base provided at the tip of the arm can also be rotated in the left-right direction. The guide shell and drilling device can be positioned so as to be substantially parallel to the work vehicle body.
Therefore, even if the arm is moved in the left-right direction, the drilling device can be made to face the slope, and the drill can be drilled so as to be orthogonal to the slope.
(6) The invention according to claim 5 also has the same effects as those in (1) to (5) above, and does not fall off the legal frame when traveling on a slope on which the legal frame is installed. Can run.

1 to 8 are explanatory views showing a first embodiment of the present invention.
9 to 12 are explanatory views showing a second embodiment of the present invention.
13 to 15 are explanatory views showing a third embodiment of the present invention.
The side view of the slope work platform of 1st Embodiment. Top view of the aerial work platform. Side view when running on a slope. Top view when traveling on a slope. Explanatory drawing of the state which the arm was rotated in the left-right direction. Explanatory drawing of the state which the support base was rotated in the left-right direction. Explanatory drawing of the tire mounting part expansion and contraction mechanism. The explanatory view at the time of drilling of the 1st embodiment for carrying out this invention. A side view of a second embodiment for carrying out the present invention. The plan view of the 2nd form for carrying out this invention. The explanatory view of the derailment prevention roller of the 2nd embodiment for carrying out this invention. Explanatory drawing at the time of drilling of the 2nd form for carrying out this invention. A side view of a third embodiment for carrying out the present invention. The plan view of the 3rd embodiment for carrying out this invention. Explanatory drawing at the time of drilling of the 3rd form for carrying out this invention.

Hereinafter, the present invention will be described in detail in accordance with the embodiments shown in the drawings for carrying out the present invention.
In the first embodiment for carrying out the present invention shown in FIGS. 1 to 8, reference numeral 1 denotes a slope work vehicle capable of working on a slope 2, and the slope work vehicle 1 is a work vehicle body 3 capable of traveling. It is composed of a drilling device 13 provided in the work vehicle main body 3 and capable of drilling holes for lock bolts and the like.
Specifically, a pair of left and right tire mounting portions 4 provided on the left and right portions of the work vehicle main body 3, a tire mounting portion stretching mechanism 5 capable of expanding and contracting the tire mounting portions 4 in the left-right direction, and the left and right. A plurality of tires 7 provided at the front and rear portions of the tire mounting portion 4 via cylinders 6 that can be expanded and contracted in the vertical direction, a pair of left and right winches 8 mounted on the left and right tire mounting portions 4, and the above. A long arm 9 rotatably provided on the work vehicle body 3 in the left-right direction, a support base 10 rotatably provided on the tip of the arm 9 in the left-right direction, and up and down on the support base 10. A guide shell mounting portion 11 rotatably provided in a direction, a guide shell 12 fixed to the guide shell mounting portion 11, and a drilling device 13 provided on the guide shell 12 so as to be movable in the front-rear direction. It is composed of.

The tire mounting portion 4 is a tire mounting portion main body 17 mounted via a hydraulic cylinder 16 as a tire mounting portion stretching mechanism 5 that expands and contracts in the left-right direction in front and rear left and right portions of the work vehicle body 3, and the tire mounting portion 4. It is composed of a cylinder 6 that can be expanded and contracted in the vertical direction, to which one end is attached to the front and rear of the main body 17 and the tire 7 is attached to the other end. The tire mounting portions main bodies 17 and 17 can be expanded and contracted in the left-right direction by the hydraulic cylinder 16. Further, the cylinder 6 that expands and contracts in the vertical direction can extend and contract the tire 7 in the vertical direction according to the inclination and unevenness of the slope 2, and can travel on the slope 2 in a stable state of the work vehicle body 3.

Further, winches 8 are provided at the rear portions of the left and right tire mounting portions main bodies 17 of the tire mounting portion 4. Further, it is desirable to provide a wire fair leader 34 at the front portion of the left and right tire mounting portions main body 17. A known wire fair reader 34 can be used.

The rear end of the arm 9 is rotatably attached to the rear position of the work vehicle body 3 via an arm rotation shaft 18, and the arm 9 is rotated to the left and right on the side surface of the arm 9. A hydraulic cylinder 19 to be moved is attached.

One end of the support bar 20 is provided in a fixed state at the bottom near the tip of the arm 9, and the other end of the support bar 20 is provided on an arcuate rail 21 provided in front of the work vehicle body 3. It is attached so that it can slide. The support bar 20 supports the load applied to the tip of the arm 9.

The support base 10 is attached to the tip of the arm 9 via a support base rotation shaft 22 that can rotate in the left-right direction, and a hydraulic cylinder 23 that rotates the support base in the left-right direction on the side surface of the support base. Is installed. Further, the support base 10 is provided with a guide shell mounting portion 11 provided via a guide shell mounting portion rotating shaft 24 that can rotate in the vertical direction, and a hydraulic cylinder 25 that rotates the guide shell mounting portion 11 in the vertical direction. And have. A guide shell 12 is fixed to the upper part of the guide shell mounting portion 11.

The drilling device 13 includes a hydraulic drifter 26 that slides on the guide shell 12, a rod 27 attached to the hydraulic drifter 26, a bit 28 attached to the tip of the rod 27, and a hydraulic drifter. It is composed of an engine 29 to be driven. The engine 29 is rotatably provided at the rear portion of the main body of the work vehicle, and the engine 29 can be kept horizontal even when traveling on a slope. Further, by providing the engine 29 at a low position (for example, the center of the work vehicle body 3 and the center of the engine 29 are substantially the same height), the center of gravity of the entire work vehicle body 3 can be set to a low position, and the stability can be improved. Can be enhanced.

When working on the slope 2, the slope work platform 1 is positioned at the lower part of the slope, and the tips of the wires 31 of the left and right winches 8 are formed in an inverted C shape on the main anchor 32 at the upper part of the slope. Fix to. After fixing the wire 31 to the main anchor 32, the winch 8 is wound up and advanced. The slope work vehicle 1 can also move the slope frame to the left and right by expanding and contracting the tire mounting portion expansion and contraction mechanism 5 in the left-right direction.

When the slope work platform 1 arrives at the work position, the drilling device 13 is rotated by a predetermined angle. After that, the rod 27 and the bit 28 are hit and rotated by the hydraulic drifter 26 to drill a lock bolt insertion hole or the like.

When further locking bolt insertion holes or the like are formed at the left and right positions of the lock bolt insertion holes or the like formed by the drilling operation, the arm 9 is rotated in the left-right direction as shown in FIG.

In the slope work vehicle 1 of the present invention, since the winch 8 is provided on the left and right tire mounting portions 4, when the arm 9 is rotated in the left-right direction, the wire 31 of the winch 8 is formed with the arm 9 or the like or a hole. The rod 27 and the like of the device 13 can rotate in the left-right direction without interfering with each other.

Further, when the arm 9 or the like is likely to interfere with the wire 31 of the winch 8, the tire mounting portion 4 can be further extended in the left-right direction to prevent the interference.

After rotating the arm 9 in the left-right direction, as shown in FIG. 6, the support base 10 is rotated in the left-right direction so that the guide shell mounting portion 11 and the guide shell 12 are substantially parallel to the work vehicle body 3. .. By rotating the support base 10 in this way, the hole drilling device 13 is in a state of facing the slope, and holes can be drilled so as to be orthogonal to the slope.

Therefore, a plurality of lock bolt insertion holes and the like can be easily formed in the left-right direction at substantially the same angle without moving the work vehicle body 3 in the left-right direction.

[Different forms for carrying out the invention]
Next, different modes for carrying out the present invention shown in FIGS. 10 to 15 will be described. In the description of these different embodiments for carrying out the present invention, the same components as those of the first embodiment for carrying out the present invention are designated by the same reference numerals, and duplicate description will be omitted.

In the second embodiment for carrying out the present invention shown in FIGS. 10 to 12, a substantially matrix-shaped legal frame 2a is formed, which is mainly different from the first embodiment for carrying out the present invention. On the slope 2, when the slope is moved, which is attached to the tire mounting portion 4, the position adjusting means 14 abuts on the side wall of the legal frame 2a at the lower part of the tire 7 to prevent the tire 7 from coming off the legal frame 2a. In order to carry out the present invention even in such a slope work vehicle 1A in that the wheel prevention roller 15 is provided and the tire 7 has a diameter dimension that is at least twice the height dimension of the law frame 2a. The same action and effect as in the first aspect of the above can be obtained, and the drilling work can be performed without falling off from the legal frame 2a, and the legal frame 2a can be easily overcome.

The position adjusting means 14 is configured so that the derailment prevention roller 15 can be moved in the vertical direction by attaching the derailment prevention roller 15 to the tip of the position adjustment hydraulic cylinder 30 attached to the inside of the cylinder 6. It is a thing.

When traveling on the upper surface of the legal frame 2a like a rail, the derailment prevention roller 15 is positioned so as to protrude downward from the tire 7, so that the derailment prevention roller 15 is placed on the side wall of the legal frame below the tire 7. To abut. As a result, the tire 7 and the derailment prevention roller 15 are in a state of sandwiching the legal frame, and the tire 7 is always located on the legal frame to prevent the tire 7 from being derailed from the legal frame 2a.

Further, when the distance between the legal frames 2 becomes wider or narrower during traveling, the derailment prevention roller 15 can be brought into contact with the legal frame side wall under the tire 7 by the hydraulic cylinder 16 that expands and contracts in the left-right direction. ..

When traveling on the ground or slope, the position adjusting hydraulic cylinder 30 is contracted to position the derailment prevention roller 15 above the lower part of the tire, and the derailment prevention roller 15 travels on the slope work vehicle 1A. Do not interfere.

In the third embodiment for carrying out the present invention shown in FIGS. 13 to 15, the main difference from the second embodiment for carrying out the present invention is that the drilling device using the addable rod 27A is used. In addition to using 13A, a fence-shaped workbench 33 (for example, a gondola shape) is further provided on the work vehicle body 3 so that the operator can add rods according to the depth of the lock bolt insertion hole or the like to be drilled. In that respect, even with such a slope work vehicle 1B, the same action and effect as in the first embodiment for carrying out the present invention can be obtained.

In the embodiment of the present invention, the guide shell mounting portion provided so as to be rotatable in the vertical direction via the support base provided at the tip of the arm is provided, but the arm is not used. A guide shell mounting portion may be provided directly on the surface.

In the embodiment of the present invention, the tire having four wheels has been described, but the tire may have eight wheels or the like.

Although the plurality of tires are provided at the front and rear portions of the left and right tire mounting portions via cylinders that can be expanded and contracted in the vertical direction, the tires do not necessarily have to be provided via the cylinders.

In the embodiment of the present invention, the aerial work platform on which the drilling device is mounted has been described, but the present invention is not limited to this, and a hydraulic excavator, a slope compaction machine, or the like may be mounted. These machines may not be mounted and may be used as a mobile scaffold for workers to ride on.

The present invention is used in an industry that manufactures aerial work platforms that are suspended by winch wires and used when performing various operations on slopes such as slopes.

1, 1A, 1B: Slope work platform, 2: Slope,
2a: Legal frame, 3: Work vehicle body,
4: Tire mounting part, 5: Tire mounting part expansion and contraction mechanism,
6: Cylinder, 7: Tire,
8: winch, 9: arm,
10: Support base, 11: Guide shell mounting part,
12: Guide shell 13, 13A: Drilling device,
14: Position adjustment means, 15: Wheel removal prevention roller,
16: Hydraulic cylinder, 17: Tire mounting body,
18: Arm rotation shaft, 19: Hydraulic cylinder,
20: Support bar, 21: Rail,
22: Support base rotating shaft, 23: Hydraulic cylinder,
24: Guide shell mounting part rotating shaft, 25: Hydraulic cylinder,
26: Hydraulic drifter, 27, 27A: Rod,
28: Bit, 29: Engine,
30: Hydraulic cylinder for position adjustment 31: Wire,
32: Main anchor, 33: Workbench,
34: Wire fair leader.

Claims (5)

A work vehicle body, tire mounting portions provided on the left and right parts of the work vehicle body, which can expand and contract in the left-right direction, tires provided on the front and rear parts of the left and right tire mounting portions, and the left and right tires. A slope work vehicle composed of winches attached to the mounting portions and wire fair leaders provided in front of the left and right tire mounting portions to guide the wires of the winches . A work vehicle body, tire mounting portions provided on the left and right parts of the work vehicle body, which can be expanded and contracted in the left-right direction, tires provided on the front and rear parts of the left and right tire mounting portions, and the left and right tires. A winch attached to each mounting portion, a wire fair leader provided in front of the left and right tire mounting portions to guide the wire of the winch, and a work vehicle body rotatably provided in the left-right direction. An arm, a guide shell mounting portion provided on the arm so as to be rotatable in the vertical direction, a guide shell fixed to the guide shell mounting portion, and a hole provided in the guide shell so as to be movable in the front-rear direction. A slope work vehicle consisting of equipment. The claim is characterized in that the tip end portion of the arm is further provided with a support base rotatably provided in the left-right direction, and the guide shell mounting portion is provided on the support base rotatably in the vertical direction. The slope work vehicle according to item 2 . The slope work according to any one of claims 1 to 3 , wherein the tires are provided at front and rear portions of the left and right tire mounting portions via cylinders that can be expanded and contracted in the vertical direction, respectively. car. A claim characterized in that a derailment prevention roller is attached to the tire attachment portion by a position adjusting means to abut on the side wall of the legal frame at the lower part of the tire to prevent the tire from derailing from the legal frame. The slope work vehicle according to any one of items 1 to 4.

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