Large venue steel structure support dismounting device and construction method

A technology of unloading device and steel structure, which is applied to pillars, building structures, and on-site preparation of building components, etc., can solve problems such as inconvenient unloading of steel structure support, and achieve rapid assembly and disassembly, convenient erection, and highly accurate support. Effect

Pending Publication Date: 2020-06-19
CHINA MCC17 GRP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] The purpose of the present invention is to overcome the problem of inconvenient unloading of steel structure supports in the construction of large-scale venues in the prior art, and intends to provide a large-scale venue steel structure support unloading device and construction method. The unloading device of the present invention can be used in house construction projects and steel structures The component installation and unloading process of the installation project effectively solves the problems encountered in the component hoisting process, and the construction method is easy to operate and more convenient

Method used

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  • Large venue steel structure support dismounting device and construction method
  • Large venue steel structure support dismounting device and construction method
  • Large venue steel structure support dismounting device and construction method

Examples

Experimental program
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Embodiment 1

[0048] Such as Figure 1-Figure 5 As shown, a large stadium steel structure support unloading device in this embodiment includes a sand steel unloading unit 100. The sand steel unloading unit 100 includes a steel base 110 and a sand cylinder outer cylinder 120. The sand cylinder outer cylinder 120 is a hollow cylinder. body and the bottom passes through the shaped steel base 110, and the bottom end of the outer cylinder body 120 of the sand tank is provided with a ball valve 129, specifically a high-pressure ball valve can be used; the outer cylinder body 120 of the sand tank is also provided with an inner cylinder body 130 of the sand tank, and The cylinder gap between the cylinder body 120 and the cylinder body 130 in the sand cylinder is used for filling fine sand, and the top of the cylinder body 130 in the sand cylinder is provided with a top seat 131; the top of the cylinder body 120 outside the sand cylinder is provided with a cylinder body platform 124, and On the body...

Embodiment 2

[0053] The supporting and unloading device for a large-scale stadium steel structure in this embodiment is basically the same as that in Embodiment 1. Furthermore, the steel base 110 is composed of two sets of H-shaped steels interlaced in a cross shape, and is firmly connected by welding to form an assembled base. The cross position of the H-shaped steel is provided with upper and lower two layers of reinforcement plates 113, and the two layers of reinforcement plates 113 are respectively located on the top and bottom surfaces of the intersection positions, and the reinforcement plates 113 are composed of a plurality of fan-shaped plates, and each fan-shaped reinforcement plate 113 will Adjacent H-shaped steel walls are connected to form an overall circular reinforced plate shape at the top and bottom surfaces to enhance the connection strength between the shaped steels. The shaped steel base 110 and the assembled standard support segment 300 can also be socketed. The shaft pi...

Embodiment 3

[0058] A construction method of a steel structure support and unloading device for a large venue in this embodiment includes the following steps:

[0059] S1. After the construction of the civil structure of the large-scale venue is completed, the steel structure construction starts, and the supporting foundation is installed first. The supporting foundation adopts a steel assembly base 400 or a pre-embedded concrete 500;

[0060] S2. Install the assembled standard support section 300. The number of installation sections is determined according to the height of the steel structure that needs to be supported and unloaded. Each assembled standard support section 300 is connected by a socket-type pivot pin, and the sand steel unloading unit 100 is reserved for the upper part. Installation height; the assembled standard support segment 300 used in this embodiment can be disassembled quickly, the specification can be 1m or 2m, the bearing load is large, and any height combination wi...

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Abstract

The invention discloses a large venue steel structure support dismounting device and a construction method, and belongs to the field of construction engineering. The device comprises a sand cylinder dismounting unit, and the sand cylinder dismounting unit comprises a structural steel base and a sand cylinder outer cylinder body, wherein the sand cylinder outer cylinder body is a hollow cylinder body, the bottom of the sand cylinder outer cylinder body penetrates through the structural steel base, and a ball valve is arranged at the bottom end of the sand cylinder outer cylinder body; a sand cylinder inner cylinder body is arranged in the sand cylinder outer cylinder body, and the cylinder body gap between the sand cylinder outer cylinder body and the sand cylinder inner cylinder body is used for being filled with fine sand, and a top seat is arranged at the top of the sand cylinder inner cylinder body; and a cylinder body platform is arranged at the top of the sand cylinder outer cylinder body, a sand injection opening communicating with the cylinder body gap is formed in the side, surrounding the sand cylinder inner cylinder body, of the cylinder body platform, and an auxiliary jack is arranged on the cylinder body platform. According to the device and the method, the problem that in the prior art, a steel structure support cannot be conveniently dismounted in large venue construction is solved, the device and the method can be used for the component mounting and dismounting process of housing construction engineering and steel structure mounting engineering, and the problems encountered in the component hoisting process are effectively solved.

Description

technical field [0001] The invention relates to the technical field of construction engineering, and more specifically relates to a support unloading device and a construction method for a large stadium steel structure. Background technique [0002] The so-called steel structure support means that in the construction of steel structure projects, the overall hoisting, overall lifting, sliding and other schemes are adopted. When the overall structure does not form a stable frame, towers or steel columns are temporarily used as supports to fix the components or structures. After the installation and interface welding work is completed and the structure is under overall stress, the temporary support will be removed. The unloading of the steel structure, to be precise, is the unloading of the steel structure supporting tower. Nowadays, the supporting unloading of steel structures mostly adopts the mechanical screw jack unloading process, which uses mechanical screw jacks as stru...

Claims

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Application Information

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IPC IPC(8): E04G25/00E04G21/00
CPCE04G21/00E04G25/00
Inventor 刘曲波尹万云金仁才张新李中元丁守明胡义顾奎关永莹
Owner CHINA MCC17 GRP
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