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Through type stayed cable installation circulation system and cable threading construction method thereof

A circulatory system and stay cable technology, applied in the erection/assembly of bridges, bridge parts, bridges, etc., can solve the problems of low efficiency, time-consuming and labor-intensive, unable to form a continuous circulation type cable installation, etc. The effect of high work efficiency and construction quality assurance

Inactive Publication Date: 2016-06-15
THE FIRST ENG CO LTD OF CTCE GRP
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AI Technical Summary

Problems solved by technology

[0004] At present, cable-stayed cables are installed using manual threading, crane-assisted cable threading, hoist drag installation and other construction methods. For parallel steel strand cable-stayed cables, such methods are time-consuming, labor-intensive, and inefficient, and cannot form continuous loop threading. Install

Method used

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  • Through type stayed cable installation circulation system and cable threading construction method thereof
  • Through type stayed cable installation circulation system and cable threading construction method thereof

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Embodiment Construction

[0025] A preferred embodiment of the present invention will be described in detail below with reference to the accompanying drawings.

[0026] Such as figure 1 with 2 As shown, the through-type cable-stayed cable installation circulation system consists of a front circulation system 10 arranged at the anti-skid key end M of the cable-stayed bridge and a rear circulation system 20 arranged at the anti-skid key end N of the cable-stayed bridge.

[0027] The front circulation system 10 includes a first saddle fixed pulley 11 arranged on the main tower 50, a first beam surface fixed pulley 12, a first diverting fixed pulley 13, a first The cableway pipe fixed pulley 14 and the first driving device 15, and are used to connect in series the first saddle fixed pulley 11, the first beam surface fixed pulley 12, the first driving device 15, the first diverting fixed pulley 13 and the first cableway pipe The fixed pulley 14 and constitutes the first circulating wire rope 16 of the cir...

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Abstract

The invention provides a through type stayed cable installation circulation system and a cable threading construction method thereof. A double-independent circulation traction system is adopted, and a circulation system composed of traction ropes, fixed pulleys, a circulation steel wire rope and a driving device is utilized; a stayed cable is threaded circularly, and the circulation steel wire rope is led to a beam surface fixed pulley from a saddle fixed pulley, then enters the driving device from the beam surface fixed pulley, walks out from the driving device and is led to a steering fixed pulley, and then walks towards a cableway pipe fixed pulley, and finally returns back to the circulation steel wire rope, so that a sealed circulation system is formed; and the stayed cable is pulled through the three traction ropes. The through type stayed cable installation circulation system is simple to operate, high in working efficiency and low in fault rate; and a construction process is safe and construction quality can be ensured.

Description

technical field [0001] The invention relates to the technical field of cable-stayed bridge construction, in particular to an installation circulation system for through-type cable-stayed cables and a cable-threading construction method thereof. Background technique [0002] The upper structure of a cable-stayed bridge is composed of beams, cables, and towers. It is a bridge deck system in which the stiffened beams are mainly subjected to compression (dense cables) or bending (thin cables), and the support system is supported by cables in tension. And bridge towers mainly under compression. [0003] The basic mechanical characteristics of a cable-stayed bridge are: the tensioned cable lifts the main girder at multiple points, and transmits the dead load of the main girder and other loads such as vehicles to the tower column, and then transmits it to the foundation through the tower column foundation. As a cable system, the cable-stayed bridge has a greater spanning capac...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E01D21/00E01D19/16E01D19/14
CPCE01D19/14E01D19/16E01D21/00
Inventor 阳雪范伟伍德华汪正科刘富强王华东钮彦鑫郑亚飞
Owner THE FIRST ENG CO LTD OF CTCE GRP
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