JPH0726724A - Auxiliary fitting for suspending up vertical piping unit and suspending up method using thereof - Google Patents

Abstract

PURPOSE:To adopt the vertical piping unit construction method by suspending up a vertical piping unit by a tower crane so far as a place for temporarily placing the vertical piping unit exists, even if a mating suspension crane can not be placed. CONSTITUTION:Immediately before the vertical piping unit 5 which ia fabricated in a factory is received by a tower crane and temporarily placed, the cylinder of an auxiliary fitting 17 for suspending-up is inserted at the lower edge of a vertical pipe having the max. flange. Then, the upper part of the vertical piping unit is suspended on one side by the tower crane, and the lower part of the verical piping unit is slid by the auxiliary fitting for suspending-up. At the time point when the vertical piping unit is vertically suspended-up, the auxiliary fitting for suspending-up is released by its dead weight from the lower edge of the vertical pipe, and then suspended up as it is by the tower crane.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a vertical piping unit construction method for high-rise buildings, in which a vertical piping unit manufactured at a factory is unloaded at a construction site and lifted, and a lifting aid for lifting the vertical piping unit. The lifting method used.

[0002]

2. Description of the Related Art Conventionally, when a factory-made vertical piping unit transported by a transportation vehicle to a construction site is unloaded and pulled up by one crane, the lower end of the vertical piping unit rubs against the ground and is damaged. There is a problem. Therefore, at present, as shown in FIG. 6, the tower crane 2 and the hanging crane 3 installed on the steel frame structure 1 in the high-rise building under construction are used to horizontally position the vertical piping unit 5 from the transportation vehicle 4. The hoisting line 6 of the tower crane 2 is unwound and the hoisting line 7 of the combined suspension crane 3 is unwound and lowered, the vertical piping unit 5 is set vertically, and the hanging line 7 of the combined suspension crane 3 is removed. It is lifted up by the crane 2 and hung down at the installation opening 8 of the steel frame structure 1 as shown by the dotted line to be installed.

As described above, in the conventional method for hoisting a vertical piping unit, since the combined hoisting crane 3 is required, there is a problem that the vertical piping unit method cannot be adopted in a high-rise building facing a narrow road in a work place. .

[0004]

SUMMARY OF THE INVENTION Therefore, according to the present invention, even if it is not possible to place a combined hanging crane, if there is a place where the vertical piping unit can be temporarily placed, the vertical piping unit can be lifted by one tower crane, and the vertical piping unit can be lifted. An object is to provide a hoisting auxiliary tool for a vertical piping unit adapted to adopt a construction method and a hoisting method using the same.

[0005]

SUMMARY OF THE INVENTION A hoisting auxiliary tool for a vertical piping unit of the present invention for solving the above problems is a cylinder having an outer diameter slightly smaller than the inner diameter of a vertical pipe incorporated in the vertical piping unit. One end is horizontally supported and fixed to the top of the triangular frame, the height dimension from the center of the cylinder to the lower side of the triangular frame is not larger than the radius of the maximum flange of the vertical pipe, and wheels are provided at both ends of the lower side of the triangular frame. It is a thing.
Further, the vertical piping unit lifting method of the present invention, immediately before unloading and temporarily placing the factory-produced vertical piping unit transported to the construction site by the transportation vehicle by a tower crane,
Insert the cylinder of the above-mentioned hoisting aid into the lower end of the vertical pipe having the largest flange and temporarily place it, then suspend the upper part of the vertical pipe unit with a tower crane and use the vertical aid to lift the vertical pipe unit. Characterized in that the lower part of the vertical pipe is slid and drawn, and when the vertical piping unit is vertically lifted, the lifting aid is detached from the lower end of the vertical pipe by its own weight, and then lifted by a tower crane as it is. It is a thing.

[0006]

The hoisting auxiliary tool for the vertical piping unit of the present invention constructed as described above prevents rubbing against the ground by inserting a cylinder into the lower end of the vertical tube having the largest flange of the vertical piping unit. Also, when the suspension is pulled up from one side and pulled up, the lower part of the vertical piping unit slides smoothly with the wheels, so damage is prevented. And when the vertical piping unit is lifted vertically, the lifting aid is removed by its own weight, so there is no need to remove it manually.
Work safety is improved. Further, according to the above-described vertical piping unit hoisting method of the present invention, since it is possible to carry out the vertical piping unit from unloading to hoisting with one tower crane, the hoisting work is simplified and the combined hanging crane is placed. The vertical piping unit method can also be used for high-rise buildings facing narrow roads that cannot be covered.

[0007]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of a hoisting aid for a vertical piping unit of the present invention and an embodiment of a hoisting method for a vertical piping unit using the same will be described. First, one embodiment of the lifting aid will be described with reference to FIG. 1. One end of a cylinder 11 having an outer diameter slightly smaller than the inner diameter of the vertical pipe 10 incorporated in the vertical pipe unit is horizontally placed on the top of the triangular frame 12. Supported and fixed, from the center O of the cylinder 11 to the lower side 1 of the triangular frame 12
The height dimension L up to 2a is not larger than the radius of the maximum flange 3 of the vertical pipe 10, and wheels 14 are provided at both ends of the lower side 12a of the triangular frame 12. The cylinder 11 is a core material 1.
5, an elastic material, for example, a rubber pipe 16 is fitted and covered.

Next, an embodiment of a method for hoisting a vertical pipe unit using the hoisting aid 17 constructed as described above will be described with reference to FIGS. 2 to 5. As shown in FIG. Just before the factory-made vertical piping unit 5 transported to the construction site is unloaded by the tower crane 2 (only the slings 6 are shown in the figure), and temporarily placed on the temporary storage (on the road) as shown in FIG. As shown in FIG. 1, the vertical pipe 10 having the largest flange 13 is inserted into the lower end of the vertical pipe 10 and the cylinder 11 of the lifting aid 17 is temporarily placed. Next, the suspension line 6 of the tower crane 2 is attached to the upper part of the vertical piping unit 5.
4 is attached, and the tower crane 2 is hoisted as shown in FIG. 4, and the lower portion of the vertical piping unit 5 is slid and pulled by the wheels 14 of the lifting aid 17 to vertically lift the vertical piping unit 5. The lifting aid 17 is detached from the lower end of the vertical tube 10 by its own weight.
Then, as it is, it is lifted up by the tower crane 2 as shown in FIG. 5, and the installation opening 8 of the steel frame structure 1 of the high-rise building 8
Install by hanging it down as shown by the dotted line.

As described above, the lifting aid 17 has a height L from the center O of the cylinder 11 to the lower side 12a of the triangular frame 12 that is larger than the radius of the maximum flange 13 of the vertical pipe 10. When the vertical piping unit 5 is temporarily placed after the cylinder 11 is inserted at the lower end of 10, the vertical piping unit 5 is prevented from rubbing against the ground, and the lifting aid 17 has the vertical piping unit 5
When the tower crane 2 pulls it by pulling it on one side, the lower end of the vertical pipe 10 is fitted into and fixed to the outer circumference of the cylinder 11 in the lifting aid 17, and the rubber pipe is slipped into the cylinder 11. Never. Therefore, since the lower portion of the vertical piping unit 5 slides smoothly by the wheels 14 during lifting, damage is prevented. Then, when the vertical piping unit 5 is vertically lifted, the lifting aid 1
Since 7 is detached by its own weight, it is not necessary to manually remove it, and the work safety is improved. Further, according to the above-mentioned hoisting method, since it is possible to carry out the unloading and hoisting of the vertical piping unit only with the tower crane 2,
As well as simplifying the lifting work, the vertical piping unit method can be adopted for high-rise buildings facing narrow roads where a combined crane cannot be placed.

[0010]

As described above, the hoisting auxiliary tool of the vertical piping unit of the present invention can prevent rubbing with the ground by setting it on the lower end of the vertical tube having the largest flange of the vertical piping unit, When pulled up by one-sided suspension, the lower part of the vertical piping unit slides smoothly by the lifting aid, which prevents damage. Then, when the vertical piping unit is vertically lifted, the hoisting auxiliary tool is detached by its own weight, so that it is not necessary to manually remove the hoisting auxiliary tool and the work safety is improved. Further, according to the vertical piping unit hoisting method of the present invention, since it is possible to carry out the vertical piping unit from unloading to hoisting with one tower crane, the hoisting work is simplified and the combined hoisting crane can be placed. The vertical piping unit method can be applied to high-rise buildings facing narrow roads.

[Brief description of drawings]

FIG. 1 is a perspective view showing an embodiment of an auxiliary tool for lifting a vertical piping unit of the present invention.

2 to 5 are views showing steps of an embodiment of a method for lifting a vertical piping unit according to the present invention.

FIG. 6 is a diagram showing a conventional method for lifting a vertical piping unit.

[Explanation of symbols]

 1 Steel Frame Structure 2 Tower Crane 4 Transport Vehicle 5 Vertical Piping Unit 6 Tower Crane Suspension Line 10 Vertical Pipe 11 Cylindrical 12 Triangular Frame 12a Triangle Frame Lower Side 13 Vertical Pipe Maximum Flange 14 Wheels 17 Lifting Aids

 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Keisuke Ikeda 2-5-13 Sanno, Ota-ku, Tokyo Within Benkan Co., Ltd. (72) Inventor Yasushi Nagashima 1-25-1 Nishishinjuku, Shinjuku-ku, Tokyo Taisei Within Construction Co., Ltd. (72) Inventor Kazuo Inoue 1-25-1 Nishishinjuku, Shinjuku-ku, Tokyo Taisei Construction Co., Ltd. (72) Inventor Fumio Sumiyoshi 1-25-1 Nishishinjuku, Shinjuku-ku, Tokyo Taisei Construction Co., Ltd. In the company

Claims (2)

[Claims] 1. One end of a cylinder having an outer diameter slightly smaller than the inner diameter of the vertical pipe incorporated in the vertical pipe unit is horizontally supported and fixed on the top of the triangular frame, and the height from the center of the cylinder to the lower side of the triangular frame is increased. The vertical dimension of the vertical pipe is not larger than the radius of the maximum flange of the vertical pipe, and it is equipped with wheels at both ends of the lower edge of the triangular frame. 2. The hoisting machine according to claim 1, at the lower end of the vertical pipe having the largest flange immediately before the factory-made vertical pipe unit transported to the construction site by the transport vehicle is unloaded and temporarily placed by the tower crane. After inserting the cylinder of the auxiliary tool, temporarily put it, then suspend the upper part of the vertical piping unit with a tower crane and slide the lower part of the vertical piping unit with the lifting auxiliary tool to pull it up to make the vertical piping unit vertical. A method for lifting a vertical pipe unit, wherein the auxiliary tool for lifting is detached from the lower end of the vertical pipe by its own weight when it is lifted, and then it is directly lifted by a tower crane.