Rapid hoisting method for underground multi-layer double-T-plate structure and positioning fixture thereof

A hoisting method and a technology for positioning fixtures, which are applied in the directions of transportation and packaging, building construction, and load hanging components, etc., and can solve the problem of small hoisting range of small hoisting equipment, small coverage area of ​​boom tower crane, and large load of large hoisting equipment, etc. problems, to achieve the effect of reducing construction safety hazards, improving hoisting efficiency, and improving construction efficiency

Active Publication Date: 2021-11-26
CHINA CONSTR FIRST BUILDING GRP CORP LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In view of the related technologies mentioned above, the inventor believes that for projects with a large underground construction area and projects with no available sites around, the load of large-scale hoisting equipment is too large and the applicability is poor; the hoisting range of small-scale hoisting equipment is small, which seriously restricts construction The construction period; the coverage of the movable arm tower crane is small, and the cost is high; the hoisting weight of the flat arm tower crane is small, the scope of application is small, and there are great limitations in actual use

Method used

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  • Rapid hoisting method for underground multi-layer double-T-plate structure and positioning fixture thereof
  • Rapid hoisting method for underground multi-layer double-T-plate structure and positioning fixture thereof
  • Rapid hoisting method for underground multi-layer double-T-plate structure and positioning fixture thereof

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Experimental program
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Effect test

Embodiment 1

[0060] refer to figure 1 with figure 2 , an underground multi-layer double T plate structure fast hoisting method, comprising the steps of:

[0061] S1: Install the gantry crane; install the gantry crane on the two parallel frame beams 1 on the first floor of the underground building through several positioning fixtures; transfer the double T-plates to the roof of the first floor of the underground building;

[0062] S11: Install the track: Use several positioning fixtures to install the positioning plate 3 on the two parallel frame beams 1 on the negative floor of the foundation pit of the underground building. The distance between the centers of two adjacent positioning fixtures is 800mm. The specific number depends on the selected gantry crane track. Depends on length; see image 3 , the gantry track includes an integrated guide rail 2 and a positioning plate 3, the positioning plate 3 is arranged on the bottom wall of the guide rail 2 and is symmetrical with respect to ...

Embodiment 2

[0090] The difference between the embodiment of the present application and embodiment 1 is that there are two gantry cranes, and the walking trolleys of two gantry cranes are installed on the two tracks, and the two gantry cranes are installed in parallel on the same group of gantry crane tracks. When hoisting the T-plates, the crane lifts the double T-plates to the roof of the negative floor of the underground building, and the gantry crane near the ground lifts the double T-plates stacked on the roof and transfers them to the roof at the location to be constructed. Another gantry crane lifts the double T-plates and adjusts the hoisting device of the gantry crane to hoist the double T-plates to the lowest floor of the underground building, and hoist them layer by layer from bottom to top.

[0091]During the construction of a gantry crane, it is necessary to repeat the double T-plate transfer first, and then hoist at the same position. Through the cooperation of the two gantry...

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Abstract

The invention relates to a rapid hoisting method for an underground multi-layer double-T plate structure and a positioning fixture thereof. The rapid hoisting method comprises the following steps that S1, a gantry crane is installed, specifically, the gantry crane is installed on two parallel frame beams of a negative first floor of an underground building through a plurality of positioning clamps; and double-T plates are transferred to a top plate of the negative first floor of the underground building; S2, hoisting construction is carried out, specifically, the double-T plates are hoisted by using the gantry crane and are hoisted onto the frame beams layer by layer from bottom to top along the underground building; and S3, the gantry crane is transferred and re-installed, specifically, after the double-T plates on the two frame beams of the gantry crane are assembled, the whole gantry crane is transferred to the two parallel frame beams of a next hoisting area, and hoisting is continued. According to the rapid hoisting method and the positioning fixture, the gantry crane is assembled on the frame beams of the underground building, so that the construction efficiency is improved, the potential safety hazard of construction is reduced, and the economic benefit is improved.

Description

technical field [0001] The present application relates to the field of prefabricated buildings, in particular to a method for quick hoisting of an underground multi-layer double T-plate structure and a positioning fixture thereof. Background technique [0002] Double T-slab is a prefabricated reinforced concrete bearing member combined with slab and beam, which is composed of a wide panel and two narrow and high ribs. Its panel is both a transverse load-bearing structure and a compression zone for longitudinal load-bearing ribs. In my country, the development of prefabricated buildings is not yet mature, and the choice of hoisting methods for prefabricated components is relatively simple. Generally, the double T-plates are directly hoisted by hoisting equipment and placed on the frame, beam or load-bearing wall as a floor or roof. The cover structure has better technical and economic effects. [0003] During the construction of underground buildings, foundation pits are usu...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B66C19/02B66C7/08E04G21/16
CPCB66C19/02B66C7/08E04G21/16E04G21/167
Inventor 刘耀军华夏赵景宇李俊张林冀诚申张鹏曹雪峰伊新东郭永宁张立波张艳冯佳兵牛品泰梁鹏虎
Owner CHINA CONSTR FIRST BUILDING GRP CORP LTD
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