Slope work vehicle

Abstract

To provide a slope work vehicle capable of efficiently working on a slope without damaging a wire of a winch for pulling the slope work vehicle.SOLUTION: A slope work vehicle comprises a work vehicle body, a traveling device provided on the work vehicle body, a winch provided on the work vehicle body, a wire fairleader installed on the work vehicle body to guide the winch wire, a hydraulic excavator that is horizontally rotatable on the work vehicle body, a spanner that stretches and contracts the traveling device and the wire fairleader in the front-rear direction.SELECTED DRAWING: Figure 1

Description

[Technical field]

[0001] The present invention relates to a slope working vehicle that moves along a slope and performs work such as drilling holes. [Background technology]

[0002] Conventionally, a slope work vehicle that is suspended by a winch wire and travels along slopes to perform work on slopes is known as "a slope work vehicle (claim 2) consisting of a work vehicle body 3, tire mounting sections 4 provided on the left and right sides of the work vehicle body and capable of expanding and contracting in the left and right direction, tires 7 provided at the front and rear parts of the left and right tire mounting sections, winches 8 attached to the left and right tire mounting sections, wire fairleads 34 provided at the front parts of the left and right tire mounting sections and guiding the winch wires, an arm 9 attached to the work vehicle body so as to be rotatable in the left and right direction, a guide shell mounting section 11 attached to the arm so as to be rotatable in the up and down direction, a guide shell 12 fixed to the guide shell mounting section, and a hole-drilling device 13 attached to the guide shell so as to be movable in the front and rear directions."

[0003] The tire mounting section 4 is composed of a tire mounting section main body 17 attached to the front and rear left and right parts of the work vehicle main body 3 via a hydraulic cylinder 16 as a tire mounting section extension mechanism 5 that extends and retracts in the left and right direction, and a cylinder 6 that is vertically extendable and has one end attached to the front and rear of the tire mounting section main body 17 and has a tire 7 attached to the other end, and the tire mounting section main bodies 17, 17 can be extended and retracted in the left and right direction by the hydraulic cylinder 16 (see, for example, paragraph 0010). Preferably, a winch 8 is provided at the rear part of the left and right tire mounting section main bodies 17 of the tire mounting section 4, and a wire fairlead (guiding member) 34 is provided at the front part of the left and right tire mounting section main bodies 17 (the symbols are those in Patent Document 1).

[0004] However, when using a slope work vehicle with the above configuration, although it is optimal for moving on slope frames installed on flat or inclined surfaces, because not only the tires 7 but also the wire fairleads 34 are attached to the tire mounting portion 4, it is not possible to adjust the distance between the left and right tires and the distance between the left and right wire fairleads individually. [Prior art documents] [Patent documents]

[0005] [Patent Document 1] Patent No. 6773266 Summary of the Invention [Problem to be solved by the invention]

[0006] In view of the above-mentioned conventional drawbacks, the present invention aims to provide a slope work vehicle that can work efficiently on slopes without damaging the winch wire that tows the slope work vehicle. [Means for solving the problem]

[0007] In order to achieve the above object, the slope working vehicle according to claim 1 of the present invention is a slope working vehicle capable of traveling on a slope to perform work, and is composed of a working vehicle body, left and right traveling devices provided on the working vehicle body, left and right winches provided on the working vehicle body, left and right wire fairleads provided on the working vehicle body and guiding the wire from the front of the working vehicle body to the front side, respectively, a hydraulic excavator provided rotatably on the working vehicle body, a traveling device spanner that displaces the distance between the left and right traveling devices in the left and right directions, respectively, and a wire fairlead spanner that displaces the distance between the left and right wire fairleads in the left and right directions, respectively. The left and right sides of the work vehicle body are provided with an extension section that extends and retracts in the left and right direction, the winch and the wire fairlead are provided on the extension section, the traveling device spanner displaces the traveling device in the left and right direction, and the wire fairlead spanner displaces the extension section in the left and right direction. It is characterized by:

[0008]

[0009] Claim 2The hydraulic excavator of the slope work vehicle described in is characterized in that it is attached to the work vehicle body via an angle adjustment means that can make the hydraulic excavator approximately horizontal even on a slope. Effect of the Invention

[0010] As is clear from the above description, the present invention provides the following effects. (1) Claim 1 In the invention described in the above, a spanner for the traveling gear and a spanner for the wire fairlead are provided separately, so that the distance between the left and right traveling gears and the distance between the left and right wire fairleads can be adjusted separately. (2) Claim 2 In the invention described in (1), the same effect as that of (1) above can be obtained, and work can be performed on a slope while keeping the cockpit horizontal. [Brief description of the drawings]

[0011] 1 to 5 are explanatory diagrams showing a first embodiment of the present invention. 6 to 8 are explanatory diagrams showing a second embodiment of the present invention. [Figure 1] FIG. 2 is a side view of the slope working vehicle according to the first embodiment. [Diagram 2] Plan view of a slope work vehicle. [Diagram 3] FIG. 13 is an explanatory diagram of the state in which the spanner is extended. [Figure 4] Plan view when working on a slope. [Diagram 5] Side view when working on a slope. [Figure 6] FIG. 11 is a side view of a slope working vehicle according to a second embodiment. [Figure 7] Plan view of a slope work vehicle. [Figure 8] FIG. 13 is an explanatory diagram of the state in which the spanner is extended. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS

[0012] The present invention will be described in detail below with reference to the embodiments for carrying out the invention shown in the drawings. Note that the left-right direction refers to the left-right direction in Fig. 2 (plan view), the front-rear direction refers to the left-right direction in Fig. 1, and the up-down direction refers to the up-down direction in Fig. 1.

[0013] In a first embodiment for carrying out the present invention shown in Figs. 1 to 5, reference numeral 1 denotes a slope working vehicle capable of working mainly on a steep slope 2 of at least 40 degrees or more.

[0014] Specifically, as shown in Figures 1 and 2, the slope work vehicle 1 is composed of a work vehicle body 3, left and right traveling gear 4 provided on the work vehicle body 3, left and right winches 5 provided on the work vehicle body 3, left and right wire fairleads 7 provided on the work vehicle body 3 and guiding the wires 6 of the left and right winches 5, respectively, a hydraulic excavator 8 rotatably provided on the work vehicle body 3, a traveling gear spanner 9 that displaces the relative distance between the left and right traveling gears 4, 4 in the left and right directions, and a wire fairlead spanner 10 that displaces the distance between the left and right wire fairleads in the left and right directions (see Figures 2 and 3, for example).

[0015] The work vehicle body 3 is equipped with a traveling device 4 at its bottom, and in this embodiment, endless tracks 4 are used on the left and right sides of the traveling device 4. Note that tires may be used as the traveling devices 4 instead of the endless tracks 4.

[0016] This traveling gear 4 is displaced left and right by a traveling gear spanner 9 provided on the traveling gear 4. When working with the hydraulic excavator 8, the traveling gear spanner 9 is extended to increase the distance between the left and right traveling gears 4, allowing work to be performed stably.

[0017] A hydraulic cylinder is used for this traveling device spanner 9, and the traveling device 4 is connected to the operating rod of this hydraulic cylinder. When the operating rod extends or contracts, the traveling device 4 is displaced in the left and right directions.

[0018] The left and right sides of the work vehicle body 3 are each provided with an extension section 11 that extends and retracts in the left and right direction, and the left and right winches 5 and the left and right wire fairleads 7 are provided on these left and right extension sections 11. The wire guide port 7a of the wire fairlead 7 is provided in the front of the work vehicle body 3, and the wire 6 introduced from the rear side of the wire fairlead 7 is guided from the wire guide port 7a to the front side of the work vehicle body 3. By fixing the wire 6 guided from this wire guide port 7a to the main anchor 12 at the top of the slope 2 and winding up the winch 5, the work vehicle can travel not only on flat surfaces and gentle slopes, but also on steep slopes 2.

[0019] In the present invention, a steep-angled slope is assumed to be one with an inclination of 40 degrees or more. However, even if the slope 2 is, for example, a nearly vertical wall surface, the work vehicle body 3 can be positioned at any position on the slope 2 by supporting it with wires 6 connected to two winches 5, and work can be carried out there.

[0020] In this embodiment, the winch 5 is also provided in the telescopic section 11 on the rear side of the work vehicle body 3, but the winch 5 may be provided in any part of the work vehicle body 3 except the telescopic section 11. This extension section 11 is displaced left and right by a wire fairlead spanner 10 provided on the work vehicle body 3, displacing the left and right winches 5 and the left and right wire fairleads 7 left and right. The wire fairlead spanner 10 has the same configuration as the running gear spanner 9.

[0021] The wire fairlead 7 that guides the wire 6 of the winch 5 is provided on the telescopic section 11, so by extending the telescopic section 11 during work and lengthening the distance between the wire fairleads 7, the distance between the left and right wires 6 also becomes longer. As a result, even when the hydraulic excavator 8 swings to work, it does not interfere with the wire 6, and work can be performed safely and efficiently.

[0022] In this way, the traveling gear spanner 9 provided on the traveling gear 4 and the wire fairlead spanner 10 provided on the work vehicle body 3 are each installed separately and can be operated separately, so that there is no problem with the normal vehicle width (the distance between the left and right wires 6 is in the normal state) and when it is desired to carry out work stably, efficient work can be carried out by extending only the traveling gear spanner 9.

[0023] In addition, since the extension section 11 can be extended and retracted separately using the wire fairlead spanner 10, the wires 6 on the left and right sides of the slope 2 can be moved left and right by adjusting the length of the wires 6 and by extending and retracting the extension section 11.

[0024] The hydraulic excavator 8 is provided on the upper part of the work vehicle body 3, and in this embodiment, is provided on the work vehicle body via angle adjustment means 13 that can make the hydraulic excavator 8 approximately horizontal even on a slope. The angle adjustment means 13 is composed of a base plate 16, one end of which is attached to a support base 14 of the work vehicle body 3 via a pivot pin 15, and the other end of which is attached so as to be rotatable in the vertical direction, and a hydraulic cylinder 24 and pantograph 25 that are provided on the rear side of the base plate 16 and that rotate the base plate 16 in the vertical direction around the pivot pin 15 as a fulcrum.

[0025] The hydraulic excavator 8 is equipped with an operator's seat 18 that is mounted on the base plate 16 and can be rotated approximately horizontally via a rotating mechanism 17, a drive arm 19 attached to the front end of the operator's seat 18, and a work attachment 20 such as a bucket 20 or a breaker 20 that is detachably attached to the tip of the drive arm 19.

[0026] The traveling gear 4, winch 5, hydraulic excavator 8, traveling gear spanner 9, wire fairlead spanner 10, etc. are each driven by a hydraulic pump 21.

[0027] The engine 22 for operating this hydraulic pump 21 is rotatably mounted at the rear of the work vehicle body 3. By mounting the engine 22 in this manner, the engine 22 can be maintained in a substantially horizontal position at all times by gravity, even when moving along the slope 2, and seizure of the engine 22 can be prevented.

[0028] When working on the slope 2, the slope work vehicle 1 is positioned at the bottom of the slope 2, and the tips of the wires 6 of the left and right winches 5 are fixed to the main anchors 12 at the top of the slope. At this time, it is desirable to fix the wires 6 so that they form an inverted V shape in a plan view, as shown in Figure 4. Once the wires 6 have been fixed to the main anchors 12, the winches 5 are wound up and the traveling device 4 is operated to move the slope work vehicle 1 forward.

[0029] When using the traveling gear spanner 9 to extend or shorten the distance between the traveling gears 4, the work vehicle body 3 is lifted using the bucket 20 of the hydraulic excavator 8 and a blade 23 provided at the rear of the work vehicle body 3, and the traveling gear spanner 9 is extended or shortened to adjust the distance between the left and right traveling gears 4.

[0030] When the slope work vehicle 1 arrives at the work position, work is performed on the slope using the hydraulic excavator 8. At this time, the wire fairlead spanner 10 displaces the telescopic section 11 in the left-right direction to lengthen the distance between the wire fairleads 7, allowing work to be performed without damaging the wire 6 near the guide port 7a of the wire fairlead 7.

[0031] In this way, in the present invention, the spanner 9 can be operated near the slope 2 where the work is to be performed, and the distance between the left and right traveling devices 4, the wire fairlead 7, and the winch 5 can be extended. Therefore, the slope work vehicle 1 can be transported in a compact state, and when in use, work can be performed safely and efficiently.

[0032] [Different modes for carrying out the invention] Next, a different embodiment of the present invention will be described with reference to Figures 6 to 8. In describing this different embodiment, the same components as those in the first embodiment are designated by the same reference numerals, and duplicated descriptions will be omitted.

[0033] In the second form for carrying out the present invention shown in Figures 6 to 8, the main difference from the first form for carrying out the present invention is that the winch 5 is provided on the work vehicle body 3, and only the wire fairlead 7 is provided on the telescopic section 11. Even with such a slope work vehicle 1A, the same effects as those of the first form for carrying out the present invention can be obtained. [Industrial Applicability]

[0034] The present invention is applicable to the industry that manufactures slope work vehicles that are suspended by a winch wire and are used to carry out various types of work on steep slopes such as slopes. [Explanation of symbols]

[0035] 1, 1A: Slope work vehicle, 2: Slope, 3: work vehicle body, 4: running gear, 5: Winch, 6: Wire, 7: Wire fairlead, 8: Hydraulic excavator, 9: Spanner for running gear, 10:Spanner for wire fairlead, 11: telescopic section; 12: main anchor; 13: Angle adjustment means, 14: Support stand, 15: pivot pin; 16: base plate; 17: turning mechanism, 18: cockpit, 19: drive arm; 20: work attachment; 21: hydraulic pump, 22: engine, 23: blade; 24: hydraulic cylinder; 25: Pantograph.

Claims

1. A slope work vehicle that can travel on a slope and perform work, a hydraulic excavator rotatably mounted on the work vehicle body, a traveling gear spanner that displaces the distance between the left and right traveling gears in the left and right directions, respectively, and a wire fairlead spanner that displaces the distance between the left and right wire fairleads in the left and right directions, respectively, and the left and right sides of the work vehicle body are provided with an extension section that extends and contracts in the left and right directions, the winch and the wire fairlead are mounted on the extension section, the traveling gear spanner displaces the traveling gear in the left and right directions, and the wire fairlead spanner displaces the extension section in the left and right directions. A slope work vehicle comprising: a work vehicle body, left and right traveling gear provided on the work vehicle body, left and right traveling gear

2. 2. The slope working vehicle according to claim 1, wherein the hydraulic excavator is attached to the vehicle body via an angle adjustment means that enables the hydraulic excavator to be approximately horizontal even on a slope.

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