Derrick arrangement of tools for replacing steel arch bridge suspender and replacing method thereof
A technology for steel arch bridges and suspenders, applied in bridges, bridge maintenance, bridge reinforcement, etc., can solve problems such as difficult to ensure structural safety, bridge deck deformation, difficult drilling of solid arch rings, and suspenders less than 20 years old. Arch ring structure and appearance, easy to control synchronization, simple structure effect
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[0047] The present invention will be further described in detail below in conjunction with the drawings and specific embodiments.
[0048] figure 1 , 2 The tool hanger rod device for replacing the suspension rod of the steel arch bridge shown includes a limit device 2, a steel wire rope 3, an intermediate conversion device 4 and a steel strand 5 symmetrically arranged on both sides of the suspension rod 8, and a beam 7 fixed on the suspension rod Lower pocket lifting device 6. A 5mm thick rubber pad 11 is provided between the hoisting device 6 and the boom beam 7.
[0049] The limit device 2 includes a horizontal limit device 2.1 installed on the top arc surface of the arch ring 1 and a vertical limit device 2.2 installed on both sides of the arch ring 1. The vertical and horizontal projection distance between the horizontal limit devices 2.1 arranged on both sides of the boom 8 is greater than the width of the boom beam 7, the vertical limit devices 2.2 on both sides of the arch ...
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