Novel suspension bridge center buckle device

A suspension bridge and central buckle technology, applied in the direction of suspension bridges, bridges, bridge forms, etc., can solve the problems of lateral vibration of short suspension cables and the inability to provide protective measures, and achieve the effect of reducing longitudinal vibration

Active Publication Date: 2020-06-05
SOUTHEAST UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, for the lateral vibration of the short sling caused by the lateral misalignme

Method used

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  • Novel suspension bridge center buckle device
  • Novel suspension bridge center buckle device
  • Novel suspension bridge center buckle device

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Embodiment Construction

[0028] The present invention will be further explained below in conjunction with the accompanying drawings and specific embodiments. It should be understood that the following specific embodiments are only used to illustrate the present invention and are not intended to limit the scope of the present invention. It should be noted that the words "front", "rear", "left", "right", "upper" and "lower" used in the following description refer to the directions in the drawings, and the words "inner" and "outer ” refer to directions towards or away from the geometric center of a particular part, respectively.

[0029] Such as figure 1 , 2 Shown, a kind of novel suspension bridge central buckle device of the present invention comprises cable clamp 1; Sling upper pulley 2; Double-strand sling 3; Vibration damping frame 4; Sling lower pulley 5; type oblique rod 7; viscous damper 8 and space type oblique rod fixing device 9.

[0030] Such as image 3 As shown, the cable clamp 1 is fix...

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PUM

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Abstract

The invention discloses a novel suspension bridge center buckle device which comprises a cable clamp, a sling upper pulley, a double-strand sling, a vibration reduction frame, a sling lower pulley, adouble-strand sling fixing device, a space type inclined rod, a viscous damper and a space type inclined rod fixing device. The cable clamp is fixed to the midspan position of a suspension bridge maincable, and the upper ends of the suspension cable upper pulleys and the upper ends of the inclined rods are fixed to the cable clamp. The double-strand slings form a closed loop through upper and lower pulleys, and a plurality of damping frames are arranged in the middle of the double-strand slings; and the viscous damper is fixed in the middle of the inclined rod. The sling forms a closed loop through the upper pulley and the lower pulley, the vibration reduction frame is arranged, and the viscous damper is arranged on the inclined rod, so that longitudinal vibration of the short sling is reduced, and damage to an anchor head of the sling due to longitudinal reciprocating motion is prevented; by arranging the space type inclined rods, transverse vibration of the short slings is reduced.The device can be arranged in the midspan of the suspension bridge and used for multi-directional damping of the midspan short slings.

Description

technical field [0001] The invention relates to a novel central buckle device of a suspension bridge, which is suitable for the connection of a main cable and a main girder in the mid-span of a long-span suspension bridge, and is mainly used in the field of civil structure bridge engineering. Background technique [0002] With the rapid development of design methods and construction technology in the field of civil engineering, the number and span of long-span suspension bridges continue to increase. Compared with other bridge structures, suspension bridges have the advantages of strong spanning capacity and less impact on navigation, so they are widely used in super-large river-crossing and sea-crossing projects. Especially in the Yangtze River Basin in my country, there are many tributaries, the urban agglomeration is economically prosperous, the traffic demand is high, and the navigation demand is high. A large number of large-scale and significant long-span suspension br...

Claims

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Application Information

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IPC IPC(8): E01D11/02E01D19/00E01D19/16F16F15/023F16F15/04
CPCE01D11/02E01D19/00E01D19/16F16F15/023F16F15/04
Inventor 王浩赵恺雍郜辉
Owner SOUTHEAST UNIV
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