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High-strength bolt assembly for connecting box-shaped beams and columns

A technology of high-strength bolts and high-strength bolts, applied in the direction of connecting components, bolts, threaded fasteners, etc., can solve the problems of difficult quality assurance, large workload and high cost, and achieve quality control, reduce work strength, and durability. and safety-enhancing effect

Pending Publication Date: 2020-07-10
SHANGHAI GENERAL METAL STRUCTURE ENG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The disadvantage of this method is low efficiency and heavy workload; in addition, the quality of on-site welding is not easy to guarantee, and the paint needs to be repainted after damage, which is costly

Method used

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  • High-strength bolt assembly for connecting box-shaped beams and columns
  • High-strength bolt assembly for connecting box-shaped beams and columns
  • High-strength bolt assembly for connecting box-shaped beams and columns

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Embodiment Construction

[0019] The present invention will be further described below in conjunction with the accompanying drawings.

[0020] see Figure 1 to Figure 4 , the figure shows a high-strength bolt assembly for box beam-column connection of the present invention, including:

[0021] A box-shaped member 1, the top of the box-shaped member 1 is provided with a top plate 11, a through hole 12 is opened on the top plate 11, and an outer cylinder 2 is installed on the lower surface of the top plate 11;

[0022] An inner cylinder 3, the inner cylinder 3 is installed on the bottom of the outer cylinder 2;

[0023] Two fixing parts 4 symmetrically installed on the inner wall of the outer cylinder 2, the top of each fixing part 4 extends radially inwards with a limiting plate 41, the bottoms of the two fixing parts 4 are connected by a steel wire 5, the left and right ends of the steel wire 5 Pass through the inner wall of the inner cylinder 3;

[0024] A support rod 6, the bottom end of the suppo...

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Abstract

The invention discloses a high-strength bolt assembly for connecting box-shaped beams and columns. The high-strength bolt assembly comprises a box-shaped component, an inner cylinder, two fixing parts, a strut and a torsional shear type high-strength bolt; a top plate is arranged at the top of the box-shaped component; an outer cylinder is arranged at the lower surface of the box-shaped component;the inner cylinder is arranged at the bottom inside the outer cylinder; the two fixing parts are symmetrically arranged on the inner wall of the outer cylinder; the top of each fixing part extends inwards to be provided with a corresponding limiting plate; the bottoms of the two fixing parts are connected through a steel wire; the bottom of the strut penetrates through the top surface of the inner cylinder to be connected with the central point of the steel wire; a spring is wound around the strut; the bottom of the spring is connected with the top surface of the inner cylinder; a screw headof the torsional shear type high-strength bolt is connected with the top of the strut; the top of the spring is connected with the screw head of the torsional shear type high-strength bolt; and the screw head of the torsional shear type high-strength bolt abuts against the lower surfaces of the limiting plates of the two fixing parts. According to the high-strength bolt assembly for connecting thebox-shaped beams and columns, the lever principle is utilized, the working efficiency is improved, and defective rate of finished products in traditional welding operation is avoided.

Description

technical field [0001] The invention relates to a high-strength bolt assembly for box-shaped beam-column connection. Background technique [0002] At present, in the field of steel structure, the bolt welding connection method between box girder and steel column generally adopts the reserved opening on the upper cover plate of the box girder, and then welds the cover plate after the bolts are tightened and fixed. The disadvantage of this method is low efficiency and heavy workload; in addition, the quality of on-site welding is not easy to guarantee, and the paint needs to be repainted after damage, which is costly. Contents of the invention [0003] The object of the present invention is to provide a high-strength bolt assembly for box-type beam-column connection in order to solve the above-mentioned problems. Open, so that the torsional shear type high-strength bolts pop up automatically, greatly improving work efficiency, reducing work intensity, and avoiding the defec...

Claims

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Application Information

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IPC IPC(8): E04B1/58E04B1/24F16B39/12
CPCE04B1/2403E04B1/5831E04B2001/2418F16B39/12
Inventor 武士炯陈州沈秀强丁美志
Owner SHANGHAI GENERAL METAL STRUCTURE ENG
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