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A method for installing a guide wire

A technology of pilot rope and installation system, which is applied in the direction of erecting/assembling bridges, bridge parts, bridges, etc., which can solve the problems of large traffic impact, high energy consumption, and high cost, and achieve the goal of reducing impact, low energy consumption, and low cost Effect

Inactive Publication Date: 2011-12-14
CHINA FIRST HIGHWAY ENG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] It can be seen that the above-mentioned methods of traction by helicopter and airship, and rocket-throwing method have high energy consumption and high cost, and the method of underwater laying and high-strength fiber rope surface traction requires a long time of closure and has a great impact on traffic.

Method used

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  • A method for installing a guide wire
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Embodiment 1

[0029] like figure 1 As shown, the pilot cable installation system of the present invention is composed of a cable release device (2), a pilot cable (3), a balloon (4), a ship (5), a cable retractor (6) and a transition cable (7). Composition, the cable release device (2) is fixed on the top of the A bridge tower (1), the rear end of the pilot cable (3) is fixed, and the front end is drawn out and connected with the ship (5) after passing through the cable release device (2), and the ship (5) ) and the cable release device (2), the length of the pilot cable is greater than the height of the bridge tower; there is a balloon (4) on the pilot cable (3), and the balloon (4) is used to lift the pilot cable (3) to a height that does not affect traffic; The cable receiving device (6) fixed on the top of another bridge tower B is connected to the rear end of the transition cable (7), and the front end of the transition cable (7) is placed under the bridge tower B; the ship (5) can tra...

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Abstract

The invention relates to a method for installing a pilot cable used in the construction of a suspension bridge, belonging to the field of bridge engineering. It is composed of a cable release device, a pilot cable, a transition cable, a balloon, a tractor and a cable retractor; the main points of implementation of the system are: the cable release device is fixed on the top of the bridge tower A, the rear end of the pilot cable is fixed, and the front end passes through the release cable. The tractor is connected with the tractor, and the length of the pilot cable between the tractor and the cable release device is greater than the height of the bridge tower; the rear end of the transition cable fixed on the top of another bridge tower B is connected with the cable retractor, and the front end is placed under the bridge tower; There is a balloon on the cable, and the balloon is used to lift the pilot cable to a height that does not affect the traffic; the tractor pulls the pilot cable to travel from bridge tower A to bridge tower B, and then lifts the pilot cable to the predetermined position through the transition cable. The invention can reduce the impact on traffic, and has low energy consumption and low cost.

Description

technical field [0001] The invention relates to a method for bridge construction, in particular to a method for installing a pilot cable for suspension bridge construction, and belongs to the field of bridge engineering. Background technique [0002] Suspension bridge is a kind of long-span bridge, the distance between the bridge pylons is relatively long, often spanning large rivers and deep mountains and canyons. Pilot rope installation is an important part of suspension bridge construction, that is, the first rope is installed between the completed bridge towers, which is used to install larger ropes for subsequent construction, such as steel wire ropes for catwalks, steel wire ropes for cable cranes, etc. Pull to the installation position of each bridge tower. At present, the installation methods of the pilot rope are as follows: [0003] Utilize helicopter and airship towing method. Use a helicopter or an airship to hang one end of the pilot cable, fly to another tow...

Claims

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Application Information

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IPC IPC(8): E01D21/00E01D19/16
Inventor 张志新刘元泉田克平刘晟
Owner CHINA FIRST HIGHWAY ENG
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