CN203132528U - Convergence meter calibrating apparatus - Google Patents
Convergence meter calibrating apparatus Download PDFInfo
- Publication number
- CN203132528U CN203132528U CN 201320105486 CN201320105486U CN203132528U CN 203132528 U CN203132528 U CN 203132528U CN 201320105486 CN201320105486 CN 201320105486 CN 201320105486 U CN201320105486 U CN 201320105486U CN 203132528 U CN203132528 U CN 203132528U
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- high precision
- convergence
- convergence gauge
- grating chi
- measured
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Abstract
The utility model discloses a convergence meter calibrating apparatus, comprising a pedestal, a left hook seat, a right hook seat, a linear raster ruler, a raster ruler digital display meter, a high precision manual translation stage and the convergence meter to be measured. The convergence meter to be measured is stretched by the high precision manual translation stage, the linear raster ruler and the raster ruler digital display meter comprise a system which displays the relative displacement of the stretched convergence meter to be measured in real time, the back and forth data is compared, the measure precision, stability and other characteristics of the convergence meter to be measured are calibrated, and thereby the convergence measure precision is substantially calibrated. The convergence meter calibrating apparatus is advantageous in that the measure precision is high, the sensitivity is high, and the convergence meter calibrating apparatus can be applied for detecting the measure precision and stability of the convergence meter.
Description
Technical field
The utility model relates to exact instrument manufacturing and precision measurement field of measuring techniques, especially relates to a kind of convergence gauge calibrating installation.
Technical background
Convergence gauge be applicable to measure tunnel, tunnel, chamber and other engineering surrounding rock periphery any direction point-to-point transmission apart from subtle change, reach evaluation engineering stability, research engineering country rock and supporting the development of deformation rule, determine the purpose of reasonable supporting parameter.Convergence measures generally acknowledges it is one of necessary project in the underground works measurement project.The convergence gauge calibrating installation is a kind of important demarcation convergence gauge measuring accuracy, stability and reliability fine measuring instrument.At present, solve the scheme of calibrating convergence gauge mainly by following several, relative merits are respectively arranged.
1, one of existing technical scheme (referring to Jia Minqiang, Zhao Dongsheng, Liu Dazhong, Gao Ran, Xia Xiaohong, Sun Huiqing, " convergence gauge calibrating installation ", utility model patent: 201220049847), be to utilize worktable, translation device
,The calibrating installation that micrometer instrument (milscale) and standard gauge block are formed, it is the present domestic first device that the overall measurement accuracy of convergence gauge is demarcated, the advantage of this utility model patent is: calibrating installation is simple in structure, is easy to realize demarcating the measuring accuracy of convergence gauge.Its shortcoming is: the right alignment of convergence gauge, worktable, translation device and dial gauge etc. is difficult the realization, secondly, great majority all are the digital display convergence gauge on the market at present, its measuring accuracy is 0.1mm, resolution is 0.01mm, and the highest measurement precision of the micrometer instrument (milscale) that this utility model patent adopts only is 0.01mm, and the range of the instrument of micrometer simultaneously is less, be up to 150mm, the measuring accuracy that the micrometer instrument is used for the demarcation convergence gauge has certain limitation.
2, two of existing technical scheme (referring to Yan Jinggan, Zhang Liancheng etc., " convergence gauge tension force departure and measurement precision analysis ", the Geotechnical Engineering technology, the 4th phase in 2000, Headquarters of the General Staff engineer the 4th design and research institute), the research by theoretical calculation analysis the influence of the permanent tension force control accuracy of convergence gauge to the convergence gauge measuring accuracy.The research has certain practical value, but lack the other factors that influences the convergence gauge measuring accuracy is analyzed.
3, three of existing technical scheme (referring to Li Yubao, Yang Li, " convergence gauge check and precision analysis ", the mapping circular, the 3rd phase in 2009, Southeast China University's traffic institute), the research is by under laboratory environment, convergence gauge is carried out self-contained continuous observation, observed reading is carried out variance analysis and t distributional assumption check, thereby demarcate the convergence gauge job stability, have certain application value and realistic meaning, shortcoming is to lack to demarcating the strong analysis of convergence gauge measuring accuracy.
Summary of the invention
Thereby the purpose of this utility model is to provide a kind of stretching displacement that can accurately record convergence gauge to be measured can significantly reach the convergence gauge calibrating installation of calibrating convergence measurement precision purpose.
The purpose of this utility model is achieved in that
A kind of convergence gauge calibrating installation, comprise pedestal, left side hook base, right hook base, the linear grating chi, grating chi digital display meter and convergence gauge to be measured, left side hook base is installed in the top left end of pedestal, feature is: be equipped with by the two guide rails of high precision at the top of pedestal right-hand member, the high precision screw mandrel, dust cover, the high precision manual translation platform that removable slide block and handle are formed, left side hook base and linear grating chi are installed in the two guide rail tops of high precision before and after the high precision manual translation platform, grating chi digital display meter is connected with the linear grating chi by data line, and left side hook and the right hook of convergence gauge to be measured are hooked in respectively on left hook base and the right hook base.This calibrating installation is by regulating the high precision screw mandrel of high precision manual translation platform, driving removable slide block moves, thereby stretch convergence gauge to be measured, the linear grating chi is measured the relative displacement of removable slide block movement, grating chi digital display meter shows the displacement that the linear grating chi reads, the front and back data are compared, demarcate the characteristic such as measuring accuracy, stability of convergence gauge to be measured.
The main scale of linear grating chi is fixed in the right side of high precision manual translation platform, and the secondary chi of linear grating chi links to each other with removable slide block.
High precision screw mandrel in high precision manual translation platform is provided with screw locking device, is provided with the slide block locking device at removable slide block.
The utility model merges high precision manual translation platform, linear grating chi, grating chi digital display meter and convergence gauge to be measured calibrating, and it can be used for the detection of convergence gauge measuring accuracy, stability.
Compared with the prior art the utility model has following two innovative points:
1, uses the high precision manual translation platform convergence gauge to be measured that stretches.
2, the displacement measurement system that uses linear grating chi and grating chi digital display meter to form shows the moving displacement of high precision manual translation platform in real time.
Therefore, the utlity model has following remarkable advantage:
1, high precision manual translation platform adopts two guide rails, has significantly improved the right alignment that convergence gauge to be measured is stretched.
2, adopt linear grating chi and supporting grating chi digital display meter thereof, significantly improved the measuring accuracy (1 μ m) of convergence gauge calibrating installation to be measured and increasing to the calibrating range of convergence gauge to be measured.
3, adopt the high precision screw mandrel to drive removable slide block and move, thereby stretch convergence gauge to be measured, significantly reduced the stretching spacing of convergence gauge to be measured.
4, the high precision screw mandrel in the high precision translational platform and removable slide block have locking device respectively, have significantly reduced the defective of calibrating installation itself to the influence of convergence gauge demarcation.
5, measuring accuracy height, highly sensitive.
Description of drawings
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the structural representation of convergence gauge to be measured;
Fig. 3 is the vertical view (no dust cover) of high precision manual translation platform;
Fig. 4 is the rear view of Fig. 3;
Fig. 5 is the upward view (band dust cover) of Fig. 3.
Embodiment:
Below in conjunction with embodiment and contrast accompanying drawing the utility model is described in further detail.
A kind of convergence gauge calibrating installation, comprise pedestal 1, left hook base 2, right hook base 3, linear grating chi 5, grating chi digital display meter 6 and convergence gauge to be measured 7, left side hook base 2 is installed in the top left end of pedestal 1, is equipped with by the two guide rails 19 of high precision, high precision screw mandrel 17 at the top of pedestal 1 right-hand member
,The high precision manual translation platform 4 that dust cover 25, removable slide block 20 and handle 18 are formed, left side hook base 2 and linear grating chi 5 are installed in two guide rail 19 tops of high precision of high precision manual translation platform 4 front and back, grating chi digital display meter 6 is connected with linear grating chi 5 by data line, convergence gauge 7 to be measured is made up of left side hook 8, chi band 10, chi hole pin 11, tension force window 12, indicating gauge 13, setting nut 14, chi tep reel 15, connection chi frame 16 and right hook 9, and left side hook 8 and right hook 9 are hooked in respectively on left hook base 2 and the right hook base 3.
The main scale 22 of linear grating chi 5 is fixed in the right side of high precision manual translation platform 4, and the secondary chi 23 of linear grating chi 5 links to each other with removable slide block 20.
High precision screw mandrel 17 in high precision manual translation platform 4 is provided with screw locking device 24, is provided with slide block locking device 21 at removable slide block 20.
Claims (3)
1. convergence gauge calibrating installation, a kind of convergence gauge calibrating installation, comprise pedestal, left side hook base, right hook base, the linear grating chi, grating chi digital display meter and convergence gauge to be measured, left side hook base is installed in the top left end of pedestal, it is characterized in that: be equipped with by the two guide rails of high precision at the top of pedestal right-hand member, the high precision screw mandrel, dust cover, the high precision manual translation platform that removable slide block and handle are formed, left side hook base and linear grating chi are installed in the two guide rail tops of high precision before and after the high precision manual translation platform, grating chi digital display meter is connected with the linear grating chi by data line, and left side hook and the right hook of convergence gauge to be measured are hooked in respectively on left hook base and the right hook base.
2. convergence gauge calibrating installation according to claim 1, it is characterized in that: the main scale of linear grating chi is fixed in the right side of high precision manual translation platform, and the secondary chi of linear grating chi links to each other with removable slide block.
3. convergence gauge calibrating installation according to claim 1 and 2, it is characterized in that: the high precision screw mandrel in high precision manual translation platform is provided with screw locking device, is provided with the slide block locking device at removable slide block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320105486 CN203132528U (en) | 2013-03-08 | 2013-03-08 | Convergence meter calibrating apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320105486 CN203132528U (en) | 2013-03-08 | 2013-03-08 | Convergence meter calibrating apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203132528U true CN203132528U (en) | 2013-08-14 |
Family
ID=48940500
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320105486 Expired - Fee Related CN203132528U (en) | 2013-03-08 | 2013-03-08 | Convergence meter calibrating apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203132528U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103162661A (en) * | 2013-03-08 | 2013-06-19 | 九江精达检测技术有限公司 | Device and method for calibrating convergence meter |
| CN106436781A (en) * | 2016-02-19 | 2017-02-22 | 重庆巨能建设集团路桥工程有限公司 | Steel cofferdam deformation measurement method |
| CN112378364A (en) * | 2020-11-20 | 2021-02-19 | 中船九江精达科技股份有限公司 | Calibrating device and calibrating method for convergence meter |
-
2013
- 2013-03-08 CN CN 201320105486 patent/CN203132528U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103162661A (en) * | 2013-03-08 | 2013-06-19 | 九江精达检测技术有限公司 | Device and method for calibrating convergence meter |
| CN106436781A (en) * | 2016-02-19 | 2017-02-22 | 重庆巨能建设集团路桥工程有限公司 | Steel cofferdam deformation measurement method |
| CN112378364A (en) * | 2020-11-20 | 2021-02-19 | 中船九江精达科技股份有限公司 | Calibrating device and calibrating method for convergence meter |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130814 Termination date: 20180308 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |