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External energy consumption type bridge wind-resistant suspender auxiliary device

An auxiliary device and boom technology, which is applied in bridges, bridge construction, bridge forms, etc., can solve the problems of boom resistance and other problems, and achieve the effects of energy consumption, vibration reduction, and reduction or avoidance of vortex-induced vibration

Active Publication Date: 2021-05-28
HARBIN VOCATIONAL & TECHN COLLEGE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In view of this, the object of the present invention is to provide an external energy-consuming bridge wind-resistant boom auxiliary device to solve the technical problem of the boom's wind resistance

Method used

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  • External energy consumption type bridge wind-resistant suspender auxiliary device
  • External energy consumption type bridge wind-resistant suspender auxiliary device
  • External energy consumption type bridge wind-resistant suspender auxiliary device

Examples

Experimental program
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Effect test

Embodiment

[0029] An auxiliary device for an externally connected energy-consuming bridge wind-resistant suspender, comprising a first set of poles 2 , a second set of poles and an installation seat 1 .

[0030] The mounting base 1 is cylindrical and hollow inside. The mounting base 1 is fixedly arranged on both sides of the boom, and the mounting base 1 is provided with a first set of rods 2 . An inspection door is arranged on the mounting base 1 .

[0031] The first set of rods 2 includes several sections of vane tubes 11, and the vane tubes 11 include cylindrical parts 6 and blades 7. The blades 7 are curved and evenly distributed on the outer wall of the cylindrical part 6, and between two adjacent cylindrical parts 6 Concentric rotation connection. In the first set of rods 2 , the vane barrel 11 closest to the mounting seat 1 is fixedly connected to the mounting seat 1 . An annular groove 8 is arranged in the upper end of the cylindrical part 6 , and a plurality of sliding blocks ...

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PUM

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Abstract

The invention relates to the field of bridge engineering, and particularly discloses an external energy consumption type bridge wind-resistant suspender auxiliary device which comprises a first sleeve rod and a second sleeve rod. The first sleeve rod comprises a plurality of sections of blade barrels, each blade barrel comprises a barrel-shaped part and a blade, the blade is formed by bending, and every two adjacent barrel-shaped parts are concentrically and rotationally connected; the second sleeve rod comprises bases, sliding rods and supporting cloth, the bases are arranged on the two sides of the hanging rod, a plurality of rails is arranged on the bases and comprise starting ends and tail ends, the starting ends of the rails are connected to form a virtual circle, the tail ends of the rails are connected to form a virtual square, and the sliding rods are slidably arranged in the rails. Supporting rods are arranged on the sliding rods and used for supporting the supporting cloth. A push rod is rotationally arranged on the inner wall of the cylindrical part through a torsional spring and abuts against the sliding rod, the first sleeve rods are located on the two sides of the supporting cloth, and the first sleeve rod and the supporting cloth surround the hanging rod. The invention aims to solve the technical problem of wind-resistant transformation of the old bridge suspender.

Description

technical field [0001] The invention relates to the field of bridge engineering, and specifically discloses an externally connected energy-consuming bridge wind-resistant suspender auxiliary device. Background technique [0002] Suspenders are the main force-transmitting components of medium- and under-through arch bridges, and their safety performance is directly related to the safety and durability of bridge structures. However, its light weight, small damping ratio, and poor aerodynamic stability are prone to various harmful vibrations, such as vortex induced vibration, which affect the service life of the bridge and even endanger the structural safety of the overall bridge. [0003] At present, dampers are generally used as windproof measures for suspenders, but dampers are not the optimal solution due to their high cost and short lifespan. Moreover, the installation of dampers on bridges with a long construction period takes a long time and even cannot be installed. Th...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E01D19/00E01D4/00E01D22/00
CPCE01D19/00E01D4/00E01D22/00
Inventor 李倩王天成李维维葛贝德刘红王希伟王淼贾亮孙朋义
Owner HARBIN VOCATIONAL & TECHN COLLEGE