JPH0971398A - Workbench with slider on elevated spot work vehicle - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a workbench with a slider on an elevated spot work vehi cle constituted so that various tools, etc., do not interfere when the work bench is moved near a distribution line. SOLUTION: A slider 20 is provided free to slide along a side wall of a workbench 17 by arranging the slider 20 with a plural number of rollers between itself and the side wall of the wrkbench 17 so that the side wall of the work bench 17 can be held from outside. A balance arm 60 to balance tool weight by supporting a tool 71 is installed on an upper end part of this slider 20.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an aerial work vehicle having a boom that can be freely extended and retracted, and more particularly to a workbench disposed at the tip of the boom.

[0002]

2. Description of the Related Art Generally, an aerial work vehicle is provided with a boom which can be freely swiveled, raised and retracted, extended and retracted, etc. on a freely movable vehicle body, and a work platform is provided at the tip of the boom. In high-altitude work using such an aerial work vehicle, after operating the boom and moving the workbench to an arbitrary high-altitude position, the worker on the workbench performs desired work. To do.

[0003] Aerial work vehicles are often used for distribution line erection work, etc., and during the distribution line erection work, the workbench is placed near the distribution line utility pole or the distribution line in a live state (energized state). Work is often done. For installation work of the distribution line, tools such as a distribution line stripper, a grinder, and a cutter are used by an operator who is on a workbench.

If a worker holds such a work tool in one hand and works at a high place, the work efficiency is lowered due to fatigue of the worker, and the work tool may be dropped from a high place. Therefore, a balance arm that mechanically holds various work tools and balances the weight of the tools to reduce the burden on the worker is often attached to a work table and used. A balance arm is used to support the tool and the operator can move the tool to the working position and use it without any force. Further, the mechanically held tool does not fall from the balance arm.

[0005]

By the way, when a workbench is to be brought closer to a utility pole or a distribution line, if a balance arm is attached to the edge of the workbench, the balance arm will not work in the workbench in consideration of the distribution line. There is a problem that it may hinder the movement, and the workbench is not arranged at the optimum work position, and the workability is impaired. Although it is conceivable that the balance arm can be attached and detached, the work of removing the balance arm in a narrow place at a high place puts a heavy burden on the operator. Further, if the balance arm is fixed to the workbench, the tool supported by the balance arm may not be able to be placed in the work position from the proper direction, which causes a problem of poor workability.

The present invention has been made in view of the above problems, and a balance arm or various tools are provided.
An object of the present invention is to provide a work table with a slider for an aerial work vehicle that does not obstruct the movement of the work table near the distribution line.

[0007]

In order to achieve the above object, a work table with a slider for an aerial work vehicle according to the present invention is attached to the tip of a boom which is arranged on the vehicle body so as to be capable of undulating and the like. And a work table, a slider slidable along the upper edge of the work table, and an attachment means for attaching various tools to the slider.

[0008]

According to the work table with slider of the aerial work vehicle of the present invention, various tools and the like are mounted by the mounting means on the slider slidably arranged at the upper edge of the work table. The tool or the like attached in this manner can be moved to any position by sliding the slider along the edge of the work table. By easily moving the tool attached to the slider to a position that does not hinder the movement of the workbench, the workbench positioning operation for bringing the workbench close to the distribution line or the like can be performed quickly and the workbench can be optimally arranged. Therefore, workability at high places is improved. Also, by sliding the slider and changing the position of the tool etc. relative to the work table, it is possible to arrange the tool etc. within the working range of the operator at the most suitable angle for use, further improving workability. To be done.

[0009]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT A preferred embodiment of the present invention will be described below with reference to the drawings. FIG. 4 shows an aerial work vehicle 10 according to the present invention. This aerial work vehicle 10 is roughly
It consists of a car body, a boom, and a workbench. The body part is
Mainly consists of a self-propelled vehicle body 11 having drive wheels,
Jack devices 19 are provided on the front, rear, left and right sides of the vehicle body 11 to stably support the vehicle body 11 during work by extending and grounding.

A built-in motor (not shown) is provided on the vehicle body 11.
A swivel base 12 is provided which is rotatable. A boom 13 is pivotally supported on the upper surface of the swivel base 12, and a hoisting cylinder 14 is attached to the boom 13 from the swivel base 12. The boom 13 can be freely lifted and lowered by the hoisting cylinder 14. Further, the boom 13 is a telescopic assembly of a base boom member 13a, an intermediate boom member 13b, and a tip boom member 13c. You are free.

A vertical post 16 is pivotally supported at the tip of the tip boom member 13c. This vertical post 16
Regardless of the up and down state of the boom 13, it is always kept vertical to the ground by a leveling cylinder (not shown).
A workbench 17 with a slider is attached to the vertical post 16 so as to be horizontally rotatable as an embodiment of the present invention. By keeping the vertical post 16 always vertical,
Since the bottom of the workbench 17 is always kept horizontal with respect to the vehicle body 11, a worker on the workbench 17 can comfortably perform desired work. A slider 20 is provided at the edge of the work table 17 so as to be slidable around the side surface of the work table. The balance arm 6 is attached to the upper end of the slider 20.
The balance arm 60 holds the tool 71.

When performing work at a high place using the work vehicle 10 at a height, the boom 13 is swung, raised and lowered, and extended so that the workbench 1
Move 7 to the desired high position. When the balance arm 60 and the tool 71 hinder the work table 17 from approaching the distribution line or the like, the slider 20 is slid to move the balance arm 60 and the tool 71 to a position that does not interfere with the work table 17. Position. After that, the worker on the workbench 17 can adjust the balance arm 6 as necessary.
Pull the tool 71 attached to 0 to the desired position,
A desired work is performed using the tool 71. FIG. 1 is a perspective view showing only the workbench 17 of the aerial work vehicle 10 of FIG. 4, and FIG. 2 is a sectional view taken along line AA in FIG.

The workbench 17 has a shape similar to that of a bathtub, and in the vertical cross-sectional shape of the side wall portion, a side wall upper end portion 17a having a horizontal upper end is located below the workbench 17 over the entire circumference thereof. It is formed to be slightly thicker than 17b. Further, the workbench bottom portion 17d is a raised bottom, and below the bottom portion 17d, a side wall lower end portion 17c in which a side wall intermediate portion 17b is extended downward is formed over the entire circumference. The slider 20 has a front shape and is formed symmetrically with each other, and mainly includes a slider frame 2 as an outer shell.
1 and a roller for improving the sliding of the slider 20 with respect to the work table 17. At the upper end of the slider frame 21,
Bolts 27 are embedded for attaching the balance arm 60 or various tools.

The slider frame 21 has a vertically long "C" cross-sectional shape, and is arranged so as to be gripped from the outside by the side wall of the workbench 17. Inside the slider frame 21,
Two sets of rollers are provided, one for each set of five.
The rollers of each set are arranged near the left and right ends of the slider frame 21 when viewed from the front, with their rotation axes oriented in the vertical direction. In the workbench side wall sectional shape, the uppermost roller 22, the upper inner roller 23, and the upper outer roller 26 are arranged so as to wrap the side wall upper end portion 17a from above, inwardly, and outwardly. A lower inner roller 24 and a lower outer roller 25 are provided so as to sandwich 17c from the inside and the outside, and the rollers inside the slider 20 are the worktable 17
Surrounds the edge of. Further, since the four corners of the side wall of the work table 17 have a sufficient curvature so that the slider 20 can slide, the slider 20 is formed around the entire circumference of the work table side wall except for the mounting portion of the work table 17 and the vertical posts 16. Can be slid along.

On the upper portion of the slider 20, bolts 27 are provided as attachment means for attaching various tools and the like. A bearing portion 61 formed at the base end of an arm 62 of a balance arm 60 is attached to the bolt 27 by a nut 32 via a sleeve 31 with a collar. The collared sleeve 31 is formed by having a collar at one end of a cylindrical sleeve. The flanged sleeve 31 is inserted into the bearing portion 61 of the balance arm 60 with the flange of the flanged sleeve 31 facing upward, and the bolt 27 provided on the upper portion of the slider 20 is inserted into the sleeve of the flanged sleeve 31.
The balance arm 60 is attached to the slider 20 by passing through the bolt 27 and tightening the bolt 27 with the nut 32.

Since the lower portion of the collar of the sleeve 31 with a collar, that is, the cylindrical portion is formed to be slightly longer than the width of the bearing portion 61 of the balance arm 60, even if the nut 32 is tightened, the balance arm 60 slides. 20
The bolt 27 of FIG. By forming a bearing portion for mounting various tools and the like with the same width as the bearing portion 61, various tools and the like can be pivotally attached to the slider 20 in the same manner as the balance arm 60 is attached.

When the tool 71 attached to the balance arm 60 is used, the slider 20 is slid and the balance arm 60 is rotated about the bearing portion 61 as a fulcrum so that the balance arm 60 can be used within the working range of the operator. The tool 71 can be arranged at an appropriate angle. Further, when the tool 71 after use interferes with the work, it is possible to move away the tool 71 by simply pressing the balance arm 60. in this way,
The operator can use the tool 71 at a desired work position and keep it away from the work position after use, if necessary.

Further, when the workbench 17 is brought close to a utility pole, a distribution line or the like, the balance arm 60 and the tool 71 are moved to the workbench 1
When it interferes with the movement of the work table 7, the work table 17 can be easily positioned by moving the slider 20 together. In this way, since the balance arm 60 and the tool 71 are attached to the work table 17 via the slider 20,
Since the balance arm 60 and the tool 71 do not hinder the movement of the workbench 17 as in the conventional case, the workbench 17 can be positioned quickly and the workbench 17 can be arranged at the optimum work position. Workability and work efficiency are improved.

FIG. 3 shows another embodiment. While the slider 20 shown in FIG. 2 slides by utilizing the entire side surface of the work table 17, in the work table with slider shown in FIG. 3, the slider 40 has a side wall upper end portion 57 a of the work table 57. Only slide. The upper portion of the slider 40 is exactly the same as the slider 20 shown in FIG. 2, except that the upper end portion 57 a of the side wall of the workbench 57 is different.
However, it is formed longer than that shown in FIG. 2, and two lower rollers 44 and 46 are disposed on the side wall upper end portion 57a. With this configuration, the slider 40 is provided with the upper end portion 57 a of the side wall of the workbench 57.
Can slide along only.

Work table 5 with a slider constructed as described above
7 is attached to the vertical post 16 at the tip of the boom 13 at the side wall intermediate portion 57b of the workbench 57, so that the workbench 5
The slider 40 can be slid over the entire circumference of 7.
By increasing the degree of freedom of the slide, the balance arm 60 and the tool 71 attached to the slider 40 can freely move in the clockwise or counterclockwise direction along the side wall upper end portion 57a of the work table 57 over the entire circumference of the work table 57. It becomes possible to slide.

In the above embodiment, the slider 20
Although 40 and 40 are configured to have rollers, a slippery resin may be used instead of the rollers. Further, in consideration of workability, a lock mechanism may be provided to the slider 20 or 40 so that the slider is freely fixed to the work table 17 or 57. It is obvious that the present invention is not limited to these, and that further improvements, improvements, modifications, etc. can be made within the scope of the claims of the present invention.

[0022]

As described above, according to the work table with slider of the aerial work vehicle of the present invention, various tools are mounted on the slider slidably arranged at the upper edge of the work table. It is attached by. The tool or the like attached to the workbench can be easily moved to any position along the edge of the workbench. Therefore, when the workbench is brought close to the utility pole or the distribution line, the tools and the like attached to the workbench do not hinder the movement of the workbench as in the conventional case and do not need to be removed. As described above, since the workbench can be easily arranged and positioned, workability at high places is improved. Further, since the tool or the like attached to the workbench via the slider is used by the worker in an optimal tool arrangement with respect to the workbench, the workability can be further improved.

[Brief description of drawings]

FIG. 1 is a perspective view of a work table with a slider according to the present invention.

FIG. 2 is a sectional view taken along line AA in FIG.

FIG. 3 is a cross-sectional view of another embodiment.

FIG. 4 is an overall side view of an aerial work vehicle having a workbench with a slider of the present invention.

[Explanation of symbols]

 10 High-altitude work vehicle 11 Vehicle body 12 Revolving base 13 Boom 16 Vertical post 17 Worktable 20 Slider 21 Slider frame 22 Roller 60 Balance arm 71 Tool

Claims (1)

[Claims] 1. A workbench attached to the tip of a boom movably arranged on a vehicle body, a slider slidable along the upper edge of the workbench, various tools for the slider, etc. A work table with a slider for an aerial work vehicle, which comprises a mounting means for mounting the.