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Lever-type gain device for damper

A damper and lever-type technology, which is applied to bridge parts, bridges, buildings, etc., can solve problems such as high installation and use costs, low damper deformation efficiency, and reduced bridge appearance, so as to amplify cable deformation and improve The effect of the deformation amplification effect

Inactive Publication Date: 2009-12-30
TONGJI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In this installation form, the deformation efficiency of the cable deformation transmitted to the damper is low; at the same time, in order to increase the efficiency of the damper, the installation height of the damper needs to be increased, which reduces the appearance of the bridge; in addition, the existing damper In many cases, at least two damper installation devices for one cable must be installed to meet the needs of use, and the installation and use costs are relatively high; it is necessary to improve it

Method used

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  • Lever-type gain device for damper
  • Lever-type gain device for damper
  • Lever-type gain device for damper

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0028] Such as Figure 1~2 As shown in , the elevation layout schematic diagram of the lever of the cable-stayed bridge vibration damper lever type gain device is perpendicular to the plane of the cable.

[0029] The device comprises a cable clamp 1, a cable clamp connecting rod 2, a main connecting rod 3, a damper 4 and a column 5. The main parts are a lever mechanism composed of the main connecting rod 3 and the cable clamp connecting rod 2. During use, the main connecting rod 3 One end of the lever mechanism is fixed on the top of the column 5 as the fulcrum of the lever mechanism, and the other end is connected with the damper 4 as the moment arm of the lever mechanism. The axis of the rod 2 and the axis of the damper 4 are both perpendicular to the axis of the main connecting rod 3 . Column 5 is connected and fixed with cable-stayed bridge main bridge deck (in order to make the drawing simple, not shown in the figure), and described column 5 has two, and one is connected...

Embodiment 2

[0036] Such as Figure 3-4 As shown in , the schematic diagram of the vertical arrangement of the lever of the cable-stayed bridge vibration damper lever type gain device lever in the plane of the cable-stayed bridge.

[0037] The device comprises a cable clamp 1, a cable clamp connecting rod 2, a main connecting rod 3, a damper 4 and a column 5, and the column 5 is connected and fixed with the deck of the main bridge of the cable-stayed bridge (not shown in the figure in order to make the drawing simple), The main connecting rod 3 and the damper can be connected to the column 5 in a hinged manner, the cable clamp 1 is hinged to the cable clamp connecting rod 2, and the main connecting rod 3 and the damper 4, so that the hinge point between them can move in the plane where they are located , The cable clamp connecting rod 2 and the main connecting rod 3 can be connected in a hinged form, and can also be fixedly connected, and the cable clamp connecting rod 2 and the stay cable...

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Abstract

The invention relates to a lever-type gain device for a damper, which comprises an upright post, a cord clip, a lever mechanism and the damper, wherein the lever mechanism mainly comprises a main connecting rod and a cord clip connecting rod, the supporting point of the lever mechanism is fixed at top end of the upright post, and one end of each of two force arm points is connected with the cord clip, while the other end is connected with the damper. Compared with the prior art, the lever-type gain device amplifies the damper deflection caused by the deformation of guy cable vibration to give full play to the deformation efficiency of the damper so that the usage of the damper is greatly reduced, the mounting position of the damper is lowered, and the overall aesthetic degree of a bridge is improved.

Description

technical field [0001] The invention relates to a damper, in particular to a cable-stayed bridge cable vibration-damping damper installation device capable of giving full play to the efficiency of the damper—a lever-type gain device for a cable-stayed bridge cable-damping damper. Background technique [0002] At present, external vibration dampers for cable-stayed bridges are widely used. Traditional dampers are mostly installed in the form of triangles and straight lines. For example, the structure used on the Aratsu Bridge in Japan. The cables are supported by two dampers. Constrains vertical and lateral deformation. Two dampers form a triangular variable mechanism; in addition, as in the structure used on the Second Nanjing Yangtze River Bridge, the stay cables are supported by two dampers, constraining vertical and lateral deformation. Two dampers and horizontal links form a triangular variable mechanism and are installed on the column. In this installation form, the d...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E01D19/16
Inventor 陈艾荣马如进王达磊兰成
Owner TONGJI UNIV
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