JPH0769592A - Hoisting method for travel table and equipment for work at elevated place - Google Patents

Abstract

PURPOSE:To safety and easily undertake work for hoisting large equipment to a ceiling section, and improve working efficiency. CONSTITUTION:An elevator device 5 for lifting and lowering a work bench 6 is provided, together with a travel table 10 placed on the bench 6, and a plurality of adjustable wheels 11 are fitted to the bottom of the travel table 10. Also, the table 10 is fitted with a plurality of stopper means 15 for the slight elevation thereof, and constitution is so made that the table 10 can be changed from stop state to horizontal travel state or vice versa by selecting the means 15 between stoppage and release modes. Equipment 13, when lifted, is placed on the table 10 at rest, and the work bench 6 is elevated, thereby elevating the equipment 13 up to level in the vicinity of a mounting position. At this level, the stopper means 15 is released and the table 10 is horizontally moved on the rotation of the wheels 11, thereby aligning the equipment 13 with the prescribed position. Thereafter the stopper means 15 is kept in as top state, and the bench 6 is elevated to fix the equipment 13 to the ceiling section.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a work table for work at high places used for raising equipment such as an air conditioner and a duct in a construction work place and hanging the equipment on the ceiling, and a method for hanging the equipment. .

[0002]

2. Description of the Related Art Conventionally, in a construction work place, when a device such as a large air conditioner is hung on a ceiling surface, it is carried out as shown in FIG. That is, the temporary suspension boom b is installed on the steel beam a on the ceiling, and the device d is attached by the chain block c or the like.
To a predetermined height. Then, a plurality of workers on the aerial work platform perform positioning by pushing the device d horizontally, and fix the device with hanging bolts or the like suspended from the upper slab e to complete the lifting work. I have to. In addition, I put equipment on the workbench of an aerial work platform and climb up,
At the elevated position, the equipment is aligned with the mounting position and fixed at a predetermined position by horizontal movement of the aerial work vehicle or work by a worker.

[0003]

According to the conventional method, when a device such as an air conditioner is hung on the ceiling, it is necessary to install a temporary suspension beam and replace the chain block at each suspension position. Takes time.
In addition, a space for installing the temporary material is required between the suspended equipment and the upper slab, and there is a problem that the work is difficult to perform if the space is narrow. Furthermore, in order to fix the suspended air conditioner in place, when inserting the hanging bolts into the four bolt holes of the hanging hardware attached to the air conditioner, delicate alignment is necessary.
In addition, it was unstable work, which was dangerous. Even when the above-mentioned work platform is used, if horizontal positioning of the equipment is performed only by the traveling function of the trolley, it is necessary to pass the hanging bolts through the holes of the equipment, but the equipment is not fixed. Since it is in a state, the position of one location is misaligned with the other location, which makes it very difficult to pass all the suspension bolts. Therefore, the present invention makes it possible to easily raise and position the large equipment on the ceiling,
An object of the present invention is to make it possible to greatly improve the work efficiency and to allow a small number of workers to safely suspend the equipment on the ceiling.

[0004]

DISCLOSURE OF THE INVENTION The present invention provides a moving table for working at high places and a method for suspending equipment, which can achieve the above object. The aerial work table is
An elevating device for elevating and lowering the workbench horizontally, and a moving table placed on the workbench are provided, and free wheels that can rotate in arbitrary directions are provided at a plurality of locations on the bottom surface of the moving table and move. Stopper means for raising the moving table from the upper surface of the work table to hold it horizontally is provided at a plurality of peripheral portions of the table, and the moving table can be moved horizontally and stopped by switching the stopper means between a stopped state and a released state. It is characterized by being switched to.
To suspend the equipment, place the moving table in a stopped state on the workbench of the lifting device, place the equipment to be mounted on the moving table, and raise the lifting device to a predetermined height. To stop, then release the stopper means of the moving table to move the moving table horizontally on the workbench to align the equipment with a predetermined position, and fix the moving table by the stop operation of the stopper means, and then the lifting device. Is operated to raise the device to a predetermined position and fix the device to the ceiling.

[0005]

According to the present invention, the moving table can be placed on the workbench of the aerial work vehicle, and an apparatus such as an air conditioner can be placed on the moving table to move up. Then, after raising the equipment, the stopper means of the moving table is released to bring the free wheel on the lower surface of the moving table into contact with the upper surface of the work table, and the movable table is horizontally moved and adjusted by rotating the free wheel. It is possible to match the mounting position of the equipment, and stop the stopper means at that position to separate the free wheel from the upper surface of the workbench and stop the horizontal movement. Then, by raising the work table in this state, the suspension bolt can be inserted into the bolt hole on the device side, and the device can be easily fixed at a predetermined position.

[0006]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of a moving table for an aerial work vehicle of the present invention will be described with reference to FIGS. An aerial work vehicle can travel by driving an endless track 2 provided on the work vehicle main body 1, and an elevating device 5 including a link 3 and a jack 4 is provided on the upper surface of the work vehicle main body 1. The workbench 6 attached to the upper end of the link 3 can be raised and lowered while keeping the workbench horizontal. An operation switch 7 is provided on a workbench 6 provided at the upper end of the link 3, and the operator can move the operation switch 7 up and down.

The workbench 6 has a rectangular upper surface, and a pedestal 8 composed of a control panel and an iron plate is arranged on the upper surface, and the pedestal 8 is fixed by a fixing member 9 provided around the workbench 6. It is fixed to 6. On the pedestal 8, a plane-shaped moving table 10 which is slightly smaller than the plane of the workbench 6 is arranged. The moving table 10 is an aluminum frame assembled into a rectangular frame, and a plurality of free wheels 11 that can rotate in arbitrary directions are provided over the entire lower surface of the moving table 10. 10 can be moved on the pedestal 8 in any direction. In addition, a rising edge 12 is provided on the peripheral portion of the pedestal 8 so that the moving table 10 does not go out from the top of the pedestal 8. Further, when the device 13 such as an air conditioner is placed on the moving table 10, the stall 14 is placed on the moving table 10 and the device 13 is placed thereon.

Two stopper means 15 are provided respectively on the short side portions on both sides of the movable table 10, and when the stopper means 15 are brought into a stopped state, the respective free wheels 1 provided on the movable table 10.
1 is lifted from the upper surface of the pedestal 8 to prevent the movement of the moving table 10. That is, the stopper means 15 is provided with a rubber pad 15a on the mounting base so as to be movable up and down, and the rubber pad 1 is switched by switching the rubber pad by a toggle clamp 15b.
5a can be switched between upper and lower positions, and when in the lower position, the rubber pad 15a hits the upper surface of the pedestal 8 and lifts the movable table 10, thereby separating the universal wheel 11 from the pedestal 8. Toggle clamp 1
When the rubber pad 15a is separated from the upper surface of the pedestal 8 by 5b, the movable table 10 descends so that each free wheel 11 comes into contact with the pedestal 8 and the movable table 10 can move in any direction.

Next, a method of suspending the equipment 13 such as an air conditioner on the ceiling using the above-mentioned work table for working at high places will be described with reference to FIG. A moving table 10 is placed on a work table 6 provided at the upper end of the lifting device 5, and a stalk 14 is placed on the moving table 10, and a device 1 such as an air conditioner lifted by a forklift.
3 is placed, and the work vehicle body 1 is moved to a position near the position where the equipment 13 is suspended. In this state, the lifting device 5 is in a lowered state. Next, the operation switch 7 is operated to raise the elevating device 5, raise the equipment 13 to a predetermined height, and stop it. Further, ordinary work vehicles 16 at high places are arranged on both sides of the work vehicle main body 1, and an operator on the work table 6 releases the stopper means 15 of the movement table 10 to freely move the movement table 10 on its lower surface. Work table 6 due to rotation of wheels
The hanging hardware 17 that is horizontally moved above and is attached to the device 13
The bolt hole 18 of is matched with the position of the hanging bolt 19 (see FIG. 1).

Next, the stopper means 1 of the moving table 10
When 5 is stopped, the free wheel 11 on the bottom of the moving table 10 rises from its supporting surface, and the moving table 10
To fix. Then, the hanging bolt 19 suspended from the ceiling is inserted into the bolt hole 18 of the hanging hardware 17 attached to the device 13, and the nut 20 is inserted as shown in FIG.
And the device 13 is raised to a predetermined position by operating the elevating device 5 and fixed to the ceiling. After that, the lifting device 5 is lowered to complete the lifting operation.

[0011]

According to the present invention, since the movable table is provided on the work table which can be moved up and down, the equipment such as the air conditioner placed on the movable table is lifted while being kept horizontally, and the movable table is moved near the mounting position. , The moving table can be horizontally moved to match the equipment with the mounting position, and the moving table can be fixed in that state and the workbench can be further raised to fix it at a predetermined position, making it easy to suspend the equipment. As a result, work efficiency is greatly improved. In addition, it is possible to safely perform the work of suspending the equipment with a small number of workers. further,
The moving table is economical because it can be easily attached to the workbench of an aerial work platform.

[Brief description of drawings]

FIG. 1 is a perspective view showing a state in which a device is mounted on a moving table for working at high places of the present invention and lifted.

FIG. 2 is a plan view of a moving table portion.

FIG. 3 is a front view of a moving table portion on which a device is placed.

FIG. 4 is a side view of a moving table portion on which a device is placed.

FIG. 5 is an explanatory diagram of a method of suspending a device.

FIG. 6 is an explanatory diagram of a conventional method for suspending a device.

[Explanation of symbols]

 5 Lifting device 6 Working table 10 Moving table 11 Flexible wheel 13 Equipment 15 Stopper means

Claims (2)

[Claims] 1. A free wheel which comprises an elevating device for elevating and lowering a workbench horizontally, and a moving table mounted on the workbench, and which is rotatable in arbitrary directions at a plurality of locations on the bottom surface of the moving table. In addition to the provision of stoppers, stopper means for raising the moving table from the top surface of the work table to hold it horizontally is provided at multiple points on the periphery of the moving table, and the moving table is stopped by switching the stopper means between the stopped state and the released state. A table for work in high places, which can be switched between a state and a horizontal movement. 2. A moving table is placed in a stopped state on a workbench of the lifting device, and a device to be mounted is placed on the moving table and lifted to a predetermined height by a lifting operation of the lifting device. Stop and release the stopper means of the moving table to move the moving table horizontally on the workbench to align the equipment with the predetermined position, fix the moving table by the stop operation of the stopper means, and then operate the lifting device. The method of suspending a device is characterized in that the device is raised to a predetermined position and fixed to the ceiling.