JP2777781B2 - High work equipment - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to the construction of exterior walls and windows existing at a high position in a building, or installation of piping and wiring at a high position on an outer wall of a building, mounting of accessories, and the like. The present invention relates to an aerial work device that is used simply and safely for construction.

[0002]

2. Description of the Related Art In order to make construction work at a high position such as an outer wall portion of a building safe and efficient, an aerial work vehicle dedicated to aerial work is used, or the work is carried out on the outer periphery of an outer wall portion to be constructed. ,
A method of temporarily constructing a construction scaffold to perform construction is employed, and an aerial work vehicle 30 (see FIG. 5) is provided with a telescopic boom 31 on a vehicle body of a four-wheeled vehicle set at a construction site. On the work box 32 at the tip of the boom 31, equipment and tools necessary for a series of works are placed, and the work box 3
An operator rides on 2 to work.

[0003]

The above-mentioned conventional aerial work vehicle 30 has mobility and can perform an efficient aerial work, but a place where the vehicle body cannot enter or a narrow place where the work vehicle 30 cannot be fixed. In addition, since it is not available, and since it is a dedicated vehicle, the use cost is high, so there is a problem that the construction cost is high even in a simple high place construction.

On the other hand, the temporary construction of the construction scaffold has a structure in which a large number of support legs are erected and a scaffold plate is laid, so that an obstacle is removed to secure a considerable space and sufficient safety is ensured. Since it is necessary to check and set the work, it takes considerable construction time and construction costs for the setting work by specialized workers and the removal work after the completion of the work at high places. And the construction period is long.

The present invention provides an aerial work apparatus which solves the above-mentioned drawbacks of the prior art.

[0006]

An aerial work apparatus according to the present invention which solves the above technical problem comprises a telescopic bar which is juxtaposed at a required interval and which can be telescopically set to a building or the like. And a workbench with a lower end as a grounding base, and a workbench provided at the upper end of the workbench, and the workbench is capable of leaning a separate elevating ladder. Structure having the shape of

In other words, the high work apparatus of the present invention, when performing external wall work or window work from the outside of a building, places the work table leg on the building to be constructed, and installs the work table leg. By adjusting the length, the work table at the upper end of the work table legs can be set to the required height, and a normal ladder can be placed on the work table, and work materials and workers can be put on the work table and construction can be performed It is configured as follows. Then, a mode in which the whole is folded and set to make it compact and compact to facilitate transportation and storage, or a mode in which a lifting ladder leaning against the work table and a fixing means for the work table are provided.

[0008]

According to the high-altitude working device of the present invention having the above-described structure, a workbench with a required height can be set by leaning a workbench leg on a building to be constructed. The work table can be set to the required height in a safe manner, and there is no need for conventional work platforms and temporary scaffolds. And the thing which has the said fixing means improves the safety of a workbench further.

Since the structure is simple and easy to carry, it can be freely set and used even in a narrow place where a four-wheeled vehicle cannot enter or stop, or in a place where the working environment is bad such as on uneven ground or on sloping ground. can do.

[0010]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, a detailed description will be given based on embodiments. That is, with reference to FIGS. 1, 2 and 3 showing an embodiment of the present invention, an aerial work apparatus 1 of the present invention includes a pair of telescopic bars arranged in parallel with an interval S between important points. A worktable leg 2 composed of 4A and 4B and a worktable 3 supported on the upper end of the worktable leg 2 constitute a main part. The worktable leg 2 is set up on the outer wall 11 of the building to be constructed, It has a structure in which a normal elevating ladder 10 leans on the work table 3 to elevate and lower, and the main members are made of aluminum material to be lightweight. Reference numeral 28 in the drawing denotes a stay for reinforcing the telescopic bars 4A and 4B.

More specifically, the telescopic bars 4A and 4A of the worktable legs 2
B is a joint bar in which the lower bar 5 and the upper bar 6 are combined, and the upper bar 6 is slidably inserted into a hollow portion provided in the longitudinal direction of the lower bar 5 as in a known telescopic ladder, and assembled. By attaching the lock pin 18, the connection length of the lower bar 5 and the upper bar 6 is locked to a required length, and the height of the worktable 3 can be set to the required height H.
And the lower end of this worktable leg 2 is a ground base 8,
The work table 3 is hinged and supported at a support point 7 at the upper end.

On the other hand, the workbench 3 has construction equipment 17 such as a compressor used for the construction, window materials, construction materials such as cement and paint, and a space where a required number of workers can work. The base plate 12 has a safety fence 13 removably provided around the base plate 12, and has a connecting arm 14 and a support point 7 which are hingedly extended to the upper bar 6 and extend. Work platform legs 2
The work table 3 has a structure in which the work table 3 assumes a substantially horizontal posture when the work table leg 2 is leaned against the outer wall 11, and a part of the front edge of the work table 3 is a safety fence. The ladder stand 15 is provided with no ladder 13, and a separate normal ladder 10 is set on the ladder stand 15, and the ladder is raised and lowered to the work table 3.

In this embodiment (FIGS. 2 and 3)
), The lower end of the connecting arm 14 is hingedly connected to the upper bar 6, and the upper end of the connecting arm 14 is configured to be freely connectable and separable from the worktable 3.
A set hole 16 is continuously provided at a fine pitch in the longitudinal direction. By connecting the set table 16 to the work table 3 by selecting the set hole 16, the work table 3 in a state where the work table leg 2 is leaned against the wall portion 11 is provided. A horizontal posture is secured. And bearing point 7
A rubber elastic material having a ring shape and bulging outward is attached to the outer surface of the work table leg 2 on the outer wall 11.
This is the "lean point 9" when leaning against

When the high work apparatus 1 is not used, the work table leg 3 is shortened, the work table 3 and the connecting arm 14 are disconnected, and the work table 3 is rotated about the support point 7. The safety fence 13 is detached and set to be compact and compact, so that it can be transported or stored.

The above-mentioned working apparatus 1 of the embodiment shown in FIG. 1 has the above-mentioned operation, and the working table 3 can be set to a height at which a normal telescopic ladder can be leaned. Therefore, work at a height of about two to three floors in a general building can be easily set outside the building to be worked, work can be performed quickly and efficiently at low cost, and the conventional use cost can be reduced. Elevated work platforms and construction scaffolds will be useless.

[0016] Even in a narrow place where a conventional four-wheeled vehicle at a height cannot enter or be fixed, or on a construction site under adverse conditions such as uneven terrain or sloping terrain, it is only possible to set the work platform leg 2 and the ladder 10 to lean. Then, it can be carried in the above-mentioned folded state, assembled, set, and used immediately, and construction under such bad conditions can be performed efficiently at low cost.

Next, another embodiment of the present invention will be described with reference to FIG. That is, in the case of the same work table legs 2 and work table 3 as in the above-described embodiment,
There is provided a connection fixing mechanism including a bracket arm 23 for detachably connecting and fixing the ladder 10 leaning against the work table 3 and the work table 3.

More specifically, the back side of the worktable 3 and the vertical frame 22 of the ladder 10 are detachably connected by a bracket arm 23, and the upper end of the bracket arm 23 is provided on the back side of the base plate 12, It has a structure that can be set and fixed to an arbitrary point of the attachment portion 24 having a required length in the left-right direction of the illustrated arrow D, and the lower end of the bracket arm 23 is provided with a mounting hole continuously provided at a fine pitch in the longitudinal direction of the bracket arm 23. 25 is selected, and the vertical frame 2 is formed by the “bolt connector 26” that penetrates and connects to the hollow portion of the footrest bar 21 of the ladder 10.
2 is fixed to the outside.

In the embodiment of FIG. 4 described above, the ladder 10 leaned against the work table 3 is mechanically fixed by the above-mentioned connecting and fixing mechanism, so that the ladder 10 also functions as a support leg of the work table 3, The stability of the worktable 3 is further improved.

The high working device of the present invention is not limited to the above-described embodiment, but is used for internal work of a building or applied to high work of a structure other than a building. Can be provided with a spike pin for preventing the ground base 8 from slipping, or by taking safety measures such as providing a weight for preventing the ground base 8 from moving, and assembling and disassembling the work table 3 and the work table legs 2. Sometimes.

[0021]

As described above, the aerial work apparatus according to the present invention enables quick and efficient aerial work on construction sites in narrow environmental conditions where conventional aerial work vehicles cannot enter or settle. At the same time, the conventional complicated construction scaffolding temporary construction is also unnecessary, and the work at a height of about 2 to 3 floors of a normal building is required.
There is a practical effect that high efficiency can be achieved in a short period of time and cost can be reduced.

[Brief description of the drawings]

FIG. 1 is an overall perspective view of an aerial work apparatus according to an embodiment of the present invention.

FIG. 2 is a side view of the working device at a high place according to the embodiment shown in FIG. 1;

3A and 3B show the high-altitude working device of the embodiment in FIG. 1; FIG. 3A is a side view showing a state where the workbench legs are reduced; FIG.

FIG. 4 shows an aerial work apparatus according to another embodiment of the present invention;
(A) is a perspective view of a connecting portion between the worktable and the ladder, (B)
Is a side view of the connecting portion, and (C) is a partial perspective view of the connecting portion.

FIG. 5 is an overall perspective view of a conventional aerial work vehicle.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Height working device 2 Work table leg 3 Work table 4A / 4B Telescopic bar 5 Lower bar 6 Upper bar 7 Bearing point 8 Grounding base 9 Leaning point 10 Ladder 11 Outer wall 12 Base plate 13 Safety fence 14 Connecting arm 15 Ladder stand 16 Set hole 17 Construction equipment 18 Lock pin 21 Ladder footrest 22 Ladder vertical frame 23 Bracket arm 24 Attachment part 25 Mounting hole 26 Bolt connector 30 Conventional aerial work vehicle S spacing

Claims (3)

(57) [Claims] 1. A workbench leg comprising a telescopic bar which is arranged side by side at a required interval and which can be telescopically set, has a leaning point to a building or the like at an upper part, and has a lower end as a ground base. An aerial work apparatus comprising a work table provided at an upper end of the work table leg, wherein the work table has a shape capable of leaning a separate elevating ladder. 2. The high-altitude working device according to claim 1, further comprising a connecting / fixing mechanism for lifting and lowering the ladder leaning on the worktable and the worktable. 3. The workbench is provided with a detachable safety fence, and the workbench and the workbench legs are hinged to allow the workbench to be freely folded and set on the workbench legs.
Alternatively, the aerial work apparatus according to claim 2.