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Bridge static load test displacement monitoring device

A technology of displacement monitoring and monitoring device, applied in the direction of measuring device, mechanical measuring device, using mechanical device, etc., can solve the problem that it is difficult to find a fixed magnetic meter seat, etc.

Active Publication Date: 2014-05-14
甘肃省公路工程质量试验检测中心有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Bridge static load tests usually need to measure the deflection of the control interface of the monolithic beam under the standard load. The measurement of the deflection requires the help of a dial gauge. Under the bridge, it is usually difficult to find a place to fix the magnetic gauge

Method used

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  • Bridge static load test displacement monitoring device
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Examples

Experimental program
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Embodiment Construction

[0016] Such as figure 2 As shown, the bottom surface at the center of the bridge beam bottom is provided with expansion bolts 12, and the monitoring device line is connected to the expansion bolts 12. The monitoring device includes a support frame 2, a magnetic meter seat 8, a spring 6, a fixed steel braze 7, an anchor bracket 10 and Dial indicator 9, the support frame 2 is connected to the bottom of the bridge beam, the bottom of the support frame is connected to the spring 6, and the bottom of the spring 6 is connected to the anchor steel braze 7, and the anchor steel braze is connected to the anchor bracket 10; the support frame 2 has a horizontal direction The support structure, the support frame 2 includes a rotating piece 1, a supporting piece 21 and a supporting wing 22, the rotating piece 1 and the supporting piece 21 are connected up and down, and the connection mode is a rotating connection. The supporting structure is the supporting wing 22 .

[0017] The elongati...

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PUM

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Abstract

The invention provides a bridge static load test displacement monitoring device which comprises a supporting frame, a magnetic meter seat, a spring, a fixed steel chisel, an anchored support and a dial indicator. The supporting frame is connected with a beam bottom of a bridge, the spring is connected with the lower portion of the supporting frame, the lower portion of the spring is connected with an anchored steel chisel, and the anchored steel chisel is connected to the anchored support. The supporting frame is provided with a horizontal supporting structure, and a test head of the dial indicator is connected to the bottom of the supporting structure. The magnetic meter seat is connected with the upper portion of the anchored steel chisel, and the dial indicator is connected to the magnetic meter seat. The stretching direction of the spring and an expansion bolt are in the same vertical face. According to the bridge static load test displacement monitoring device, a position for mounting the magnetic meter seat is provided, the device is easy and convenient to mount, the deflection of a control section of the bridge is fast to measure and is not limited by the bridge bottom terrain, and the bridge static load test displacement monitoring device is convenient to popularize and use.

Description

technical field [0001] The invention relates to a bridge static load experiment displacement monitoring device, which belongs to the technical field of tunnel engineering. Background technique [0002] The safety of expressway bridges must be evaluated after completion acceptance and several years of service. The method of evaluation is usually the method of static load test. Bridge static load tests usually need to measure the deflection of the control interface of a single-piece beam under a standard load. The measurement of the deflection requires the use of a dial gauge. Under the bridge, it is usually difficult to find a place to fix the magnetic gauge. Contents of the invention [0003] The invention provides a bridge static load experiment displacement monitoring device. The monitoring device provides a position for installing a magnetic meter base. The device is easy to install, and the deflection of the bridge control section can be measured quickly and is not res...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01B5/02
Inventor 田晖张海红赵元科许鹏
Owner 甘肃省公路工程质量试验检测中心有限公司
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