Bottom chord node fastening device of multi-suspend structure and fastening tension method thereof

A fastening device and multiple technology, applied in building structure, processing of building materials, construction, etc., can solve problems such as the size and distribution of internal forces inconsistent with the design, adverse effects on the mechanical properties of suspensive structures, and loss of prestress, etc., to achieve Good anti-corrosion effect, high construction efficiency and simple structure

Active Publication Date: 2011-09-14
浙江东南网架股份有限公司
View PDF5 Cites 8 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The geometric relationship between the cables and the vertical braces, the friction properties between them, and the tension sequence will inevitably affect the loss of prestress, and eventually lead to , The actual internal force size and distribution of reticulated shell members are inconsistent with the design, which will have an adverse effect on the mechanical properties of the entire suspensive structure

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Bottom chord node fastening device of multi-suspend structure and fastening tension method thereof
  • Bottom chord node fastening device of multi-suspend structure and fastening tension method thereof
  • Bottom chord node fastening device of multi-suspend structure and fastening tension method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0053] Embodiment 1: as figure 1 , figure 2 , image 3 , Figure 4 and Figure 8 As shown, a lower chord node fastening device of a multiple chord support structure includes a strut connecting piece 1, the upper end of the strut connecting piece 1 is a strut transition step 2, and the middle part of the strut connecting piece 1 is set There is a groove 3 with an opening downward, and a cableway fixing seat 4 is fastened to match the brace connector 1. The bottom of the brace connector 1 and the cableway fixing seat 4 are cylindrical, and the brace connector 1 and the cableway fixing seat 4 is a steel casting, the middle part of the cableway fixing seat 4 is provided with a threading vertical bar 5, the cableway fixing seat 4 and the threading vertical bar 5 are integrated, and the upper end of the threading vertical bar 5 is a lower groove 6. The cable vertical rod 5 is matched with the groove 3, the groove 3 and the lower groove 6 form a cable tunnel 7, the cable tunnel ...

Embodiment 2

[0078] The fastening and tensioning method of the lower chord node of the multi-suspend structure proceeds according to the following steps:

[0079] (1), fastening:

[0080] ①. Strongly weld the connecting parts of the strut to the lower end of the strut;

[0081] ② Use the turntable to release the cables, and use the moving flat car method to gradually release the cables from one end of the truss to the other end, so that the cables can be moved to the tire frame in a straight line and lie flat;

[0082] ③. Use a traction jack to lift the cable at both ends of the truss. When the precise mark reserved for the cable is close to the lower end of the groove of the strut connector by 30mm, place the head of one end of the cable in place; during the lifting process, use 1 / 2 The distance at the span is the control target, start the oil pump at the other end of the truss, insert the reserved precise marks of the cables from bottom to top into the grooves of all the connecting part...

Embodiment 3

[0095] The fastening and tensioning method of the lower chord node of the multi-suspend structure proceeds according to the following steps:

[0096] (1), fastening:

[0097] ①. Strongly weld the connecting parts of the strut to the lower end of the strut;

[0098] ② Use the turntable to release the cables, and use the moving flat car method to gradually release the cables from one end of the truss to the other end, so that the cables can be moved to the tire frame in a straight line and lie flat;

[0099]③. Use a traction jack to lift the cable at both ends of the truss. When the precise mark reserved for the cable is close to the lower end of the groove of the strut connector by 50mm, place the head of one end of the cable in place; during the lifting process, use 1 / 2 The distance at the span is the control target, start the oil pump at the other end of the truss, insert the reserved precise marks of the cables from bottom to top into the grooves of all the connecting parts...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

PUM

No PUM Login to view more

Abstract

The invention relates to a node fastening device, in particular to a bottom chord node fastening device of a multi-suspend structure for a building steel structure and a fastening tension method thereof. The upper end of a support rod connecting piece is a support rod transition step; a groove with downward opening is arranged in the middle of the support rod connecting piece; a cableway fixing seat is matched with and firmly fixed to the support rod connecting piece; a cable passing vertical rod is arranged in the middle of the cableway fixing seat; the upper end of the cable passing vertical rod is a downward-concave groove; the cable passing vertical rod is matched with the groove; the groove and the downward-concave groove form a cable passing pore path; and the dragging of primary and secondary cables is realized in the way of fastening and then fastening prestressing cables. The bottom chord node fastening device of multi-suspend structure and the fastening tension method thereof are reasonable in structure, high in construction precision and construction efficiency and low in construction cost, and enhance the safety of steel structure.

Description

technical field [0001] The patent of the present invention relates to a node fastening device, in particular to a lower chord node fastening device and a fastening and tensioning method for a multi-chord support structure of a building steel structure. Background technique [0002] The existing suspensive reticulated shell structure is a new type of hybrid prestressed large-span spatial structure system that combines a rigid single-layer reticulated shell and a flexible cable-strut system. development trend. On the one hand, it improves the overall stability of the upper single-layer reticulated shell structure, so that the structure can span a larger space; Compared with other fully flexible structures, it has been greatly simplified. In addition, the effects of the two structural systems on the supports cancel each other out, making the structure a self-balancing system. While giving full play to the strength advantages of the single-layer reticulated shell structure, it...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

Application Information

Patent Timeline
no application Login to view more
Patent Type & Authority Applications(China)
IPC IPC(8): E04B1/58E04G21/14E04G21/12
Inventor 周观根王永梅何挺沈小达洪王东陈志祥
Owner 浙江东南网架股份有限公司
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap