CN202057295U - Measuring device used in cylindricity error measuring method - Google Patents
Measuring device used in cylindricity error measuring method Download PDFInfo
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- CN202057295U CN202057295U CN2011201433238U CN201120143323U CN202057295U CN 202057295 U CN202057295 U CN 202057295U CN 2011201433238 U CN2011201433238 U CN 2011201433238U CN 201120143323 U CN201120143323 U CN 201120143323U CN 202057295 U CN202057295 U CN 202057295U
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Abstract
The utility model discloses a measuring device used in a cylindricity error measuring method. The measuring device comprises a base, a bolt, a spring clip head, an auxiliary measuring outer electrode, a measuring circuit, a main measuring outer electrode, an inner electrode, a spring, an insulation spacer and an insulation layer, wherein the interior of the base is hollow, the bolt penetrates the bottom of the base, the bolt is in bolted connection with the bottom of the spring clip head after being sleeved with the spring, the spring clip head is placed inside the inner electrode, the inner electrode is a standard cylinder or a tested cylindrical workpiece, the main measuring outer electrode and the auxiliary measuring outer electrode are positioned on the circumference of the inner electrode, the auxiliary measuring outer electrode is arranged on the base and isolated from the insulation spacer, the main measuring outer electrode is arranged on the auxiliary measuring outer electrode and isolated from the insulation layer, and the inner surface area of the main measuring outer electrode is larger than the inner surface area of the auxiliary measuring outer electrode. The measuring device provided by the utility model is good in temperature stability, has a simple structure, is good in dynamic response and higher in anti-interference performance, and is applicable to various work environments.
Description
Technical field
The utility model relates to the used measurement mechanism of a kind of deviation from cylindrical form measuring method.
Background technology
Detect the measurement of determining the value of measurand exactly and carrying out, it is the indispensable important process of every field in commercial production, national defense construction, scientific research and the daily life, the quality that detects quality not only has influence on the height of economic benefit of enterprises, living standards of the people quality, can determine the status of country in global industrial environment even.The purpose that detects mainly is the useful sign quantitative information that obtains measurand, for whole production control procedure and technological design process provide reliable basis, and for example performance of object and state etc.
The measuring method summary of present cylindricity:
Deviation from cylindrical form is meant the variation of actual measured circle cylinder for its desirable face of cylinder, the prerequisite of error evaluation is determining of its position, desirable face of cylinder, desirable choosing of the face of cylinder should be satisfied minimal condition, even the maximum variation of actual element to be measured relative ideal key element is minimum.The measuring method of deviation from cylindrical form is divided into two big classes substantially: 1. ideal factor comparison principle, use roundness measuring equipment or omnipotent coordinate measuring machine, make the axis of instrument and the axis coaxle of tested part, note back the semidiameter of measuring institute's measuring point on the cross section in the process of circling, this kind method meets the definition of deviation from cylindrical form, is a kind of more satisfactory measuring method; 2. the characteristic parameter method of approximation is used the V-block flat board, instruments such as coordinate indicator, and the precision and the efficiency of measurement of this method are lower, and have the influence of ergometry, are a kind of approximate measuring methods.
Three coordinate measuring machine has just appearred abroad in the 1950's, this equipment applied range, can act on complex parts such as axial workpiece, casing, plane, can the detection position, distance, size, angle, shape error and site error etc., multiple functional, the title of universal measuring machine is always arranged.The continuous self-development of three coordinate measuring machine and perfect, in developed regions widespread use and popularizations such as America and Europes, statistical data according to whole world three coordinate measuring machine in 1992, developed countries such as America and Europe have 85% of whole world three-dimensional tester sum, for the quality assurance of the mechanical industry of America and Europe provides strong technical support.
At present, the application technology of Digital image technology on dimensional measurement is ripe abroad, the companies such as OGP of Germany Mahr, Britain Tayler-Hobson, the U.S. have all produced the non-contact instrument that has the CCD measuring head, product seriation is constantly upgraded, and has well satisfied the demand of detection technique.This method combines optical image technology and computer image processing technology, make the precision of measurement reach higher level, during measurement measurand as detecting and the means or the carrier of the information of transmission, in fact measuring head is exactly a ccd video camera, the purpose of Flame Image Process is to extract useful signal from image, analyze and obtain expecting by the side geometric parameter.
First domestic computer-controlled cylindricity measuring instrument is by Beijing electromechanics Research Institute's development, and available least square method etc. are evaluated deviation from cylindrical form; Novel five coordinate solid of revolution measuring instruments are succeeded in developing by Dalian University of Technology, the profile errors of outer mold surface in the rotary part of energy measurement circularity, tapering, cylindricity and assembly class; The capable bit error measuring instrument of Machinery Engineering College of Dongbei Univ.'s independent development development " XWY-1 " type was identified by State Bureau of Technical Supervision in Dec, 1993.
The photoelectricity feeler gauge is a kind of novel aperture special testing instrument, mainly form by feeler gauge gauge head, photoelectric sensor and numeric display unit, rational Application to the photoelectricity horizontal metroscope is its successful part, the precision of measuring, efficient and other function of use have been improved greatly with respect to traditional feeler gauge, can accurately measure circularity, tapering, the cylindricity of test specimen, local concavo-convex, the limit of collapsing, waist drum degree etc. in hydraucone that can also gaging hole, the hole.The viewpoint feeler gauge that also has a kind of novel using optical fibre sensor, be to use reflective modulation fiber sensor, this sensor is formed by receiving optical fiber and launching fiber, when utilize receiving optical fiber and testee relative position and changing, receive optical fiber and receive the displacement that principle that the light intensity of returning also changes thereupon obtains object.The precise pneumatic amount instrument of U.S. Edmond company and Japanese TOSOK company, the rich digital air-gauge of producing of domestic Cisco, its resolution has all reached 0.1 μ m.Digital air-gauge can be realized the demonstration of absolute value, and measurement result can directly be printed or deposit in the computing machine, and is able to programme and can realize robotization.
CCD measuring technique research at home at present is also not too complete; The photoelectricity feeler gauge is higher for requirements for operation circumstances, is applicable under the environment such as measuring chamber; Air-gauge needs a stable source of the gas, and these have all limited under environment such as factory large-scale part production is measured fast and accurately.
The utility model content
The purpose of this utility model provides the used measurement mechanism of a kind of deviation from cylindrical form measuring method.
The deviation from cylindrical form measuring method is:
Elder generation puts into the right cylinder of the different-diameter of two standards in the capacitance type sensor, and the capacitance type sensor in the metering circuit is from the capacitance values of the right cylinder acquisition detection of the different-diameter of two standards, two capacitance values C that record
MinAnd C
Max, the scope C of the pairing capacitance values of measured circle column type workpiece cylindricity tolerance is: C
Min≤ C≤C
Max
Again measured circle column type workpiece is put into capacitance type sensor, the capacitance values that the capacitance type sensor in the metering circuit detects from the acquisition of measured circle column type workpiece is if the capacitance values C that records is at C
Min≤ C≤C
MaxIn the scope, then the cylindricity of measured circle column type workpiece is qualified; If the capacitance values C that records is not at C
Min≤ C≤C
MaxIn the scope, then the cylindricity of measured circle column type workpiece is defective.
The utility model is a capacitance type sensor, the structure of this capacitance type sensor is by base, bolt, spring chuck, measure auxiliary external electrode, metering circuit, measure main external electrode, interior electrode, spring and insulation spacer, insulation course constitutes, base inside is hollow form, bolt passes from the bottom of base, be screwed onto the bottom of spring chuck on the bolt behind the sheathed spring, electrode in putting on the spring chuck, electrode is standard cylinder or measured circle column type workpiece in described, measure main external electrode and measure the periphery that auxiliary external electrode is positioned at electrode, measuring auxiliary external electrode spacer insulator pad is arranged on the base, measuring main external electrode spacer insulator layer is arranged on the auxiliary external electrode of measurement, metering circuit is used to detect to be measured main external electrode and measures the capacitance values of assisting between external electrode and the interior electrode, the internal surface area of measuring main external electrode is greater than the internal surface area of measuring auxiliary external electrode, and the capacitance values of measuring between main external electrode and the interior electrode is C
1, the capacitance values of measuring between auxiliary external electrode and the interior electrode is C
2, the capacitance values of measuring between external electrode and the interior electrode is C=C
1-C
2, measuring main external electrode and measuring the setting of assisting external electrode two electrodes is in order to reduce external environment condition to measuring the interference of numerical value.The setting of spring chuck and bolt is in order to adjust the interior electrode on the spring chuck and to measure main external electrode and measure the right alignment of assisting between the external electrode.
The periphery of described base, the main external electrode of measurement and the auxiliary external electrode of measurement is arranged with the guard shield sleeve.
The beneficial effects of the utility model are: the utility model temperature stability is good, and is simple in structure, and dynamic response is good, has higher anti-interference, is suitable for various working environments.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
Embodiment
See also shown in Figure 1, the utility model is a capacitance type sensor, the structure of described capacitance type sensor is by base 1, bolt 2, spring chuck 3, measure auxiliary external electrode 4, metering circuit 5, measure main external electrode 6, interior electrode 7, spring 8 and insulation spacer 9, insulation course 10 constitutes, base 1 inside is hollow form, bolt 2 passes from the bottom of base 1, be screwed onto the bottom of spring chuck 3 on the bolt 2 behind the sheathed spring 8, electrode 7 in putting on the spring chuck 3, electrode 7 is standard cylinder or measured circle column type workpiece in described, measure main external electrode 6 and measure the periphery that auxiliary external electrode 4 is positioned at electrode 7, measuring auxiliary external electrode 4 spacer insulator pads 9 is arranged on the base 1, measuring main external electrode 6 spacer insulator layer 10 is arranged on the auxiliary external electrode 4 of measurement, metering circuit 5 is used to detect to be measured main external electrode 6 and measures the capacitance values of assisting between external electrode 4 and the interior electrode 7, the internal surface area of measuring main external electrode 6 is greater than the internal surface area of measuring auxiliary external electrode 4, and the capacitance values of measuring between main external electrode 6 and the interior electrode 7 is C
1, the capacitance values of measuring between auxiliary external electrode 4 and the interior electrode 7 is C
2, the capacitance values of measuring between external electrode and the interior electrode 7 is C=C
1-C
2, measuring main external electrode 6 and measuring the setting of assisting external electrode 4 two electrodes is in order to reduce external environment condition to measuring the interference of numerical value.The setting of spring chuck 3 and bolt 2 is in order to adjust the interior electrode 7 on the spring chuck 3 and to measure main external electrode 6 and measure the right alignment of assisting between the external electrode 4.
The periphery of described base 1, the main external electrode 6 of measurement and the auxiliary external electrode 4 of measurement is arranged with guard shield sleeve 11.
Claims (2)
1. measurement mechanism that the deviation from cylindrical form measuring method is used, it is characterized in that: it is capacitance type sensor, be by base (1), bolt (2), spring chuck (3), measure auxiliary external electrode (4), metering circuit (5), measure main external electrode (6), interior electrode (7), spring (8) and insulation spacer (9), insulation course (10) constitutes, base (1) inside is hollow form, bolt (2) passes from the bottom of base (1), be screwed onto the bottom of spring chuck (3) behind the last sheathed spring (8) of bolt (2), electrode (7) in spring chuck (3) is gone up and put, electrode (7) is standard cylinder or measured circle column type workpiece in described, measure main external electrode (6) and measure the periphery that auxiliary external electrode (4) is positioned at electrode (7), measuring auxiliary external electrode (4) spacer insulator pad (9) is arranged on the base (1), measuring main external electrode (6) spacer insulator layer (10) is arranged on the auxiliary external electrode (4) of measurement, metering circuit (5) is used for detecting to be measured main external electrode (6) and measures the capacitance values of assisting between external electrode (4) and the interior electrode (7), and the internal surface area of measuring main external electrode (6) is greater than the internal surface area of measuring auxiliary external electrode (4).
2. the used measurement mechanism of a kind of deviation from cylindrical form measuring method according to claim 1 is characterized in that: described base (1), the periphery of measuring main external electrode (6) and measuring auxiliary external electrode (4) are arranged with guard shield sleeve (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201433238U CN202057295U (en) | 2011-05-09 | 2011-05-09 | Measuring device used in cylindricity error measuring method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201433238U CN202057295U (en) | 2011-05-09 | 2011-05-09 | Measuring device used in cylindricity error measuring method |
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| Publication Number | Publication Date |
|---|---|
| CN202057295U true CN202057295U (en) | 2011-11-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2011201433238U Expired - Fee Related CN202057295U (en) | 2011-05-09 | 2011-05-09 | Measuring device used in cylindricity error measuring method |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102252600A (en) * | 2011-04-18 | 2011-11-23 | 长春工业大学 | Capacitive transducer-based cylindricity deviation measuring method and device |
| CN106152991A (en) * | 2015-05-11 | 2016-11-23 | 自贡硬质合金有限责任公司 | Shaft sleeve parts inner and outer diameter measurement equipment |
| CN106595552A (en) * | 2016-12-02 | 2017-04-26 | 西安航天动力机械厂 | Method for calculating diameter accuracy of spinning cylindrical member |
| CN104634864B (en) * | 2015-02-06 | 2018-04-20 | 中国计量学院 | A kind of metal magnetic memory sensor vertical fixing device |
| CN109556508A (en) * | 2017-09-25 | 2019-04-02 | 住友橡胶工业株式会社 | Tire inner surface shape measuring apparatus and tire inner surface process for measuring shape |
| CN110145993A (en) * | 2019-06-10 | 2019-08-20 | 中国计量大学 | Contact excavator hydraulic valve bore inner diameter and cylindricity measurement device and method |
| CN114485363A (en) * | 2021-12-28 | 2022-05-13 | 上海航天控制技术研究所 | Cylindrical metal body clamping and non-contact positioning measurement device |
-
2011
- 2011-05-09 CN CN2011201433238U patent/CN202057295U/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102252600A (en) * | 2011-04-18 | 2011-11-23 | 长春工业大学 | Capacitive transducer-based cylindricity deviation measuring method and device |
| CN102252600B (en) * | 2011-04-18 | 2012-11-28 | 长春工业大学 | Capacitive transducer-based cylindricity deviation measuring method and device |
| CN104634864B (en) * | 2015-02-06 | 2018-04-20 | 中国计量学院 | A kind of metal magnetic memory sensor vertical fixing device |
| CN106152991A (en) * | 2015-05-11 | 2016-11-23 | 自贡硬质合金有限责任公司 | Shaft sleeve parts inner and outer diameter measurement equipment |
| CN106152991B (en) * | 2015-05-11 | 2019-01-11 | 自贡硬质合金有限责任公司 | Shaft sleeve parts inner and outer diameter measurement equipment |
| CN106595552A (en) * | 2016-12-02 | 2017-04-26 | 西安航天动力机械厂 | Method for calculating diameter accuracy of spinning cylindrical member |
| CN109556508A (en) * | 2017-09-25 | 2019-04-02 | 住友橡胶工业株式会社 | Tire inner surface shape measuring apparatus and tire inner surface process for measuring shape |
| CN110145993A (en) * | 2019-06-10 | 2019-08-20 | 中国计量大学 | Contact excavator hydraulic valve bore inner diameter and cylindricity measurement device and method |
| CN114485363A (en) * | 2021-12-28 | 2022-05-13 | 上海航天控制技术研究所 | Cylindrical metal body clamping and non-contact positioning measurement device |
| CN114485363B (en) * | 2021-12-28 | 2023-09-29 | 上海航天控制技术研究所 | Cylindrical metal body clamping and non-contact type positioning measurement device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111130 Termination date: 20120509 |