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Low-friction cable nodes of single-layer reticulated shell structure with suspended cables

A single-layer reticulated shell, low-friction technology, applied to building components, building structures, roofs, etc., can solve the problems of unfavorable multi-functional use of buildings, inconvenient hanging of suspension cable structures, and prestressing of cables, etc., to achieve Reduce loss, small friction, ensure the effect of application

Active Publication Date: 2017-04-05
CHINA SOUTHWEST ARCHITECTURAL DESIGN & RES INST CORP LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] However, the suspension cable structure also has its shortcomings. First, the suspension cable structure needs a strong boundary to resist the tension of the cable. In addition, the suspension cable structure is not convenient for hanging other temporary loads, which is not conducive to the multi-functional use of the building.
[0004] In view of the above problems, the applicant proposed a new structural system combining the suspension cable structure and the single-layer reticulated shell structure, that is, the single-layer reticulated shell structure of the suspension cable. Insufficient structure, but in this structure, it is necessary to effectively solve the problem of the connection between the cable and the rigid reticulated shell and the application of the prestress of the cable during the construction tensioning process

Method used

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  • Low-friction cable nodes of single-layer reticulated shell structure with suspended cables
  • Low-friction cable nodes of single-layer reticulated shell structure with suspended cables
  • Low-friction cable nodes of single-layer reticulated shell structure with suspended cables

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Experimental program
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Effect test

Embodiment 1

[0023] Embodiment 1: as Figure 1-5 As shown, a low-friction cable node of a suspension cable single-layer reticulated shell structure, the suspension cable single-layer reticulated shell structure includes a saddle-shaped rigid reticulated shell 5 and a stay cable 6, and the saddle-shaped rigid reticulated shell The two-way orthogonal layout grid is adopted, the rods in one direction are arranged along the convex surface of the saddle surface, the rods in the other direction are arranged along the concave surface of the saddle surface, the cables are arranged along the concave surface of the saddle surface, and the cables pass through The low-friction cable nodes are connected with the saddle-shaped rigid reticulated shell.

[0024] The low-friction cable node includes a pulley 1 and an ear plate 2, the pulley 1 is rotatably connected to the ear plates 2 arranged on both sides of the pulley 1 through a pin shaft 4, and the ear plate 2 is fixedly connected to the suspension ca...

Embodiment 2

[0025] Embodiment 2: as Figure 6-10 As shown, the low-friction cable node includes a plurality of pulleys 1, the plurality of pulleys 1 are respectively rotatably connected with the lugs 2 through corresponding pin shafts 4, and the plurality of pulleys 1 are connected along the Axially arranged, setting multiple pulleys can reduce the local stress at the contact point between the pulley and the pulley, and make the force on the pulley more uniform. Other structures are the same as in Embodiment 1.

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PUM

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Abstract

The invention discloses a low-friction stay rope joint for a suspension cable single-layer reticulated shell structure. The low-friction stay rope joint comprises sliding wheels and ear plates; the sliding wheels are rotatably connected to the ear plates arranged at both sides of the sliding wheels by hinge pins; the ear plates are fixedly connected above and below a rigid reticulated shell of the suspension cable single-layer reticulated shell structure; stay ropes of the suspension cable single-layer reticulated shell structure are clung to the lower parts of the sliding wheels. By the low-friction stay rope joint, the rigid single-layer reticulated shell structure is connected with a suspension cable structure together to form suspension cable single-layer reticulated shell structure; by matching of the stay ropes and the sliding wheels, the low-friction stay rope joint for the suspension cable single-layer reticulated shell structure takes a supporting effect on the rigid reticulated shell; moreover, in the tensioning process of the stay ropes, the sliding wheels can freely slide, so that the friction force of the joint is small, and thus, loss of a prestress can be effectively reduced. According to the invention, not only is reliable connection of the stay ropes and the rigid reticulated shell ensured, but also application of the stay rope prestress in the construction tensioning process is ensured.

Description

technical field [0001] The invention relates to the technical field of construction engineering, in particular to a low-friction drag cable node of a single-layer reticulated shell structure for suspension cables. Background technique [0002] Suspension structure is a structural form with a long history, and suspension bridges have existed in ancient times. The application of suspension structure in construction engineering began in the early 20th century, and developed rapidly after the 1950s. The roof of the Rayleigh Gymnasium in the United States built in 1953 uses a saddle-shaped orthogonal cable net with two inclined parabolic arches as edge components. The force is clear and the material strength of the cables is fully utilized. It is considered to be the first in the world An excellent modern long-span cable-net structure. Subsequently, the suspension cable structure was applied to gymnasiums, airports and other buildings. Influential projects included the Yale Uni...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E04B7/14
Inventor 向新岸刘宜丰冯远蒋玉辉邱添
Owner CHINA SOUTHWEST ARCHITECTURAL DESIGN & RES INST CORP LTD