Auxiliary tool for hoisting laminated slab in place

By designing auxiliary tools for the hoisting and positioning of composite slabs, and utilizing the structure of fixing components and auxiliary parts, the problem of the overlap length between composite slabs and cast-in-place structures not meeting design requirements was solved, thereby improving hoisting accuracy and construction efficiency.

CN223548957UActive Publication Date: 2025-11-14NO 2 CONSTR GRP CO LTD OF SHANGHAI CONSTR GRP
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Patent Information

Application Number
CN202422679300.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-01
Publication Date
2025-11-14
Estimated Expiration
2034-11-01

AI Technical Summary

Technical Problem

In existing technologies, the installation of composite slabs relies on manual fine-tuning and dimensional verification, which makes it difficult to ensure that the overlap length between the composite slab and the cast-in-place structure meets the design requirements, leading to quality problems.

Method used

Design an auxiliary tool for hoisting and positioning composite slabs, including positioning auxiliary components and fixing components. The composite slabs are fixed by screws and nuts. The second horizontal plate limits the overlap length and the second vertical plate fits against the side formwork of the cast-in-place structure to ensure hoisting accuracy.

Benefits of technology

It increases the overlap length between the composite slab and the cast-in-place structure to meet design requirements, improves the accuracy of hoisting and positioning and construction efficiency, is applicable to composite slabs of various thicknesses, and is simple to operate and low in cost.

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Abstract

The utility model discloses a laminated slab hoisting in-place auxiliary tool which comprises an in-place auxiliary component and a fixing assembly screw rod, the fixing assembly screw rod penetrates through a first horizontal sheet of the in-place auxiliary component, and the in-place auxiliary component and a laminated slab are fixed by matching with a nut. While the periphery of the laminated slab is fixed by the hoisting in-place auxiliary tool based on the laminated slab, the lap joint size of the laminated slab and the cast-in-place structure is limited based on the length of a second horizontal sheet of the in-place auxiliary component, and the engineering quality is ensured based on the fitting degree of a second vertical sheet of the in-place auxiliary component and a side template of the cast-in-place structure; and the lap joint length of the laminated slab and the cast-in-place structure meets the design, and the hoisting in-place accuracy and the engineering quality are improved.
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