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Cable support node connecting device

A technology of node connection and connection device, which is applied in the direction of structural elements, building components, building reinforcements, etc., to achieve the effects of strong bearing capacity, reducing stress amplitude, and improving overall bearing capacity and stability

Inactive Publication Date: 2010-11-10
BEIJING UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0009] Modern architectural design puts forward more functional requirements for nodes, requiring nodes to pass through multiple cables at the same time, but the existing node structure only allows a single cable

Method used

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Examples

Experimental program
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Embodiment Construction

[0033] Attached below Figure 1~6 The specific implementation of the cable brace node connection device will be described in detail.

[0034] Such as Figure 1~6 As shown, a cable brace node connection device of the present invention includes a cable body 1 and a connection device, and the connection device includes a node main board, a node upper plate 9, a vertical connection plate 10, a node lower cover plate 8, a splint 7 and an ear plate , the two ends of the node main board are respectively provided with a vertical connecting plate 10, and a node lower cover plate 8 is arranged on the two vertical connecting plates 10; the other two ends of the node main board are respectively provided with a node upper plate 9, and the vertical connecting plate 10. The node upper plate 9 is connected with the node main board by welding or integral casting; a splint 7 is respectively arranged on both sides of the node lower cover plate 8 corresponding to the node upper plate 9; the node...

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Abstract

The invention relates to a cable support node connecting device. The device comprises a cable body and a connecting device, wherein the connecting device comprises a node main plate, node upper plates, a vertical connecting plate, a node lower cover plate, clamping plates and a lug plate; the node upper plates, the vertical connecting plate and the node lower cover plate are connected into a cavity through a centre shaft; a bearing is sleeved on the centre shaft; both ends of the node main plate are provided with the node upper plates; both sides of the node lower cover plate are provided with the clamping plates; the cable body passes through the internal space of the connecting device and is tangent to the bearing; the centre shaft fixes the bearing and the cable body inside the connecting device through pre-tightening force of bolts; and the clamping plates are fixedly connected with the node upper plates through the bolts and are used for clamping or fixing the cable body passing through from the middle part. The node connecting device has the characteristics of simple structure, clear force transmission, reasonable stress, strong bearing capacity and the like. The device can fully exert material strength, effectively transmit steel cable force, reduce stress amplitudes, reduce prestress loss caused by friction and improve integral bearing capacity and stability of the structure.

Description

technical field [0001] The invention relates to a connecting device, in particular to a cable-stay node connecting device used in the construction field. Background technique [0002] String structures include cable domes, string domes, string beams, string truss structures, etc., and are a major structural form of prestressed steel structures. The characteristic of the tension string structure is that the tension of the steel cable generates a supporting force in the strut through the cable brace node, and produces a force opposite to the external load in the structure, so as to reduce the peak value of the internal force of the structure and improve the mechanical performance of the structure. [0003] The cable-stay joint is the most important joint in the string tension structure. In order to facilitate the construction and ensure the safety of the structure, it is required that the cable-stay joint has good sliding performance when the steel cable is stretched during th...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E04B1/38E04B1/58E04C5/12
Inventor 刘学春张爱林刘阳军
Owner BEIJING UNIV OF TECH
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