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Intelligent friction pendulum shock insulation support

A technology of isolation bearing and friction pendulum, which is applied to bridge parts, bridges, buildings, etc., can solve the problems of measuring the small force range of the isolation bearing and being unsuitable for large and medium-span bridges.

Pending Publication Date: 2020-10-20
CHINA RAILWAY MAJOR BRIDGE ENG GRP CO LTD +1
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  • Abstract
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  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The embodiment of the present application provides an intelligent friction pendulum seismic isolation bearing, which solves the problem in the related art that the force range in the horizontal direction of the seismic isolation bearing is small and is not suitable for large and medium-span bridges

Method used

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  • Intelligent friction pendulum shock insulation support
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  • Intelligent friction pendulum shock insulation support

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Embodiment Construction

[0037] In order to make the purposes, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments It is a part of the embodiments of this application, but not all of them. Based on the embodiments in the present application, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present application.

[0038] see figure 1 with figure 2As shown, the embodiment of the present application provides an intelligent friction pendulum vibration-isolation bearing, which is supported between the main bridge and the bridge pier, so as to isolate the vibration of the main bridge. It includes an upper seat plate 1, a ball pendulum 2 and a lower...

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Abstract

The invention relates to an intelligent friction pendulum shock insulation support, which comprises an upper seat plate, a spherical pendulum, a lower seat plate and an elastic body, wherein the top end of the upper seat plate is used for being connected with a main bridge and bearing the main bridge; the top end of the spherical pendulum is slidably connected with the upper seat plate, and the bottom end can swing on the lower seat plate; the elastic body is connected to the bottom end of the lower seat plate and used for being connected to a pier; a strain sensor is arranged on the elastic body and is used for measuring the strain of the elastic body; an angular velocity measuring instrument is arranged on the spherical pendulum and used for measuring the rotation angular velocity of thespherical pendulum; a displacement measuring device is arranged on the upper seat plate or the spherical pendulum and used for measuring the horizontal displacement D of the upper seat plate or the spherical pendulum; a controller is connected with the strain sensor, the angular velocity measuring instrument and the displacement measuring device, and is used for calculating to obtain a vertical load W borne by the shock insulation support according to the strain of the elastic body; and the horizontal stress F of the support is calculated based on a preset calculation formula according to W and D, and real-time monitoring of the working performance of the friction pendulum shock insulation support is achieved.

Description

technical field [0001] The application relates to the field of bridge supports, in particular to an intelligent friction pendulum shock-isolation support. Background technique [0002] With the development of economy and the increase of traffic volume, the damage and destruction of bridge bearings have become one of the main diseases of bridges in active service in our country. At present, seismic isolation bearings are widely used in the field of bridges, and the friction pendulum isolation bearings in seismic isolation bearings have been used in actual bridges in many countries around the world due to their remarkable isolation effect, large load bearing, and relatively mature technology. It has been widely used in engineering. Friction pendulum isolation bearings are the main force-transmitting components directly between the upper structure and the lower structure of the bridge structure. Their damage and destruction will accelerate the attenuation of the life of the br...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E01D19/04
CPCE01D19/046
Inventor 马长飞汪正兴荆国强王翔刘鹏飞王梓宇吴肖波伊建军周志坤汪泽洋高天王金枝
Owner CHINA RAILWAY MAJOR BRIDGE ENG GRP CO LTD
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