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Mechanical type earthquake recorder

A seismic recording and mechanical technology, applied in the direction of seismic signal recording, using mechanical devices, mechanical measuring devices, etc., can solve the problems of short service life, electronic equipment disconnection, poor stability, etc., and achieve low manufacturing cost, reliable recording, and high performance stable effect

Inactive Publication Date: 2014-11-26
柳州东方工程橡胶制品有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] 1. The structure is complex and the price is relatively expensive;
[0004] 2. The service life is short, the stability is poor, and electronic instruments are prone to circuit breakage due to the uncertainty of earthquake damage

Method used

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  • Mechanical type earthquake recorder

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Embodiment

[0020] A mechanical seismic recorder, the seismic recorder includes a recording coordinate plate and a recording device; the recording device includes a sleeve 23 and a recording needle 21 installed in the sleeve, an adjustment element 22, an elastic element 24 and a guide anchor Component 25, the two ends of the sleeve 23 are provided with internal threads, the guide and anchor element 25 is screwed to the top of the sleeve, the adjustment component 22 is a center hole 221, the outer circle has a step The cylindrical body has an external thread on the step circle 222 of the maximum outer diameter on its upper part, the adjusting element is connected to the bottom end of the sleeve through the external thread, and the lower section of the adjusting element extends out of the bottom end of the sleeve.

[0021] The recording pin 21 is a long and thin round rod 212 with a recording needle point 211 at its lower end and a limiting round table 213 at its upper end. The central hole...

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Abstract

The invention discloses a mechanical type earthquake recorder, comprising a recording coordinate board and a recording device. The recording device comprises a sleeve and a recording needle, an adjustment member, an elastic member and a anchor-guiding fixing member which are installed within the sleeve; the anchor-guiding fixing member is connected to the top of the sleeve through the thread; the adjustment member is connected to the bottom of the sleeve through the thread; the recording needle is installed within the center hole of the adjustment member; one end with the recording needle tip of the recording needle passes through the center hole and projects out of the lower end of the adjustment member, and one end with a circular truncated cone of the recording needle projects out of the upper end of the adjustment member and is connected to the elastic member through contacting and bears the downward elastic pressure of the elastic member; the recording coordinate board is constituted by a steel plate and a plating layer sprayed on the surface of the steel plate; the surface of the plating layer is provided with coordinate scales and the outer circumference of the steel plate are provided with installation holes. The mechanical earthquake recorder is simple in the structure, practical and low in manufacturing cost, and can replace the expensive instrument to perform real time monitoring and record the relative displacement between upper structure of the civil work and the foundation under the action of the earthquake.

Description

technical field [0001] The invention relates to an auxiliary device for real-time monitoring of structural displacement under earthquake action, in particular to a mechanical seismic recorder. Background technique [0002] When an earthquake occurs, the upper structure and foundation of the civil engineering will undergo relative displacement under the action of the earthquake. It is necessary to record the movement process of the entire relative movement track to prevent accidents in the engineering structure. However, there is currently no special instrument for recording the displacement of civil engineering structures on the market. Electronic instruments currently on the market for real-time monitoring of structural displacement of more important structures or important parts under earthquake action have the following disadvantages: [0003] 1. The structure is complex and the price is relatively expensive; [0004] 2. The service life is short, the stability is poor,...

Claims

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Application Information

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IPC IPC(8): G01V1/24G01B5/02
Inventor 叶明坤刘宜丰韦谋超资道铭兰代生杨超
Owner 柳州东方工程橡胶制品有限公司
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