CN203550935U - Device used for measuring static radius of precision centrifuge - Google Patents
Device used for measuring static radius of precision centrifuge Download PDFInfo
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- CN203550935U CN203550935U CN201320750910.2U CN201320750910U CN203550935U CN 203550935 U CN203550935 U CN 203550935U CN 201320750910 U CN201320750910 U CN 201320750910U CN 203550935 U CN203550935 U CN 203550935U
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- precision centrifuge
- accelerometer
- precision
- radius
- centrifuge
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- 230000003068 static effect Effects 0.000 title claims abstract description 16
- 230000001360 synchronised effect Effects 0.000 claims description 3
- 238000009434 installation Methods 0.000 abstract description 2
- 238000005259 measurement Methods 0.000 abstract description 2
- 230000003247 decreasing effect Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
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Abstract
The utility model discloses a device used for measuring the static radius of a precision centrifuge. The device includes a rotating device which is connected with and synchronously rotates with the main shaft of the precision centrifuge, and an accelerometer mounted on the rotating device; and the input shaft of the accelerometer coincides or basically coincides with the working radius of the precision centrifuge. Since the input shaft of the accelerometer coincides or basically coincides with the working radius of the precision centrifuge, the output voltage value of the accelerometer can be utilized to perform back calculation so as to obtain the static radius of the precision centrifuge, and therefore, influence of instruments and installation errors can be decreased, measurement accuracy can be improved.
Description
Technical field
The utility model relates to a kind of device of measuring for precision centrifuge, relates in particular to a kind of device of measuring for precision centrifuge static radius.
Background technology
At present, known precision centrifuge static radius measuring method is mainly to adopt precision gage block, reference rings etc. directly to measure, what general measure obtained is the distance of locating platform edge to main shaft gyration Axis Average Line, the shortcoming of the method is that measurement links is many, the installation site of accelerometer barycenter and fixture is difficult to accurately control, and it is larger affected by spindle rotation error, measuring accuracy is lower.
Utility model content
The purpose of this utility model is just to provide in order to address the above problem a kind of device for precision centrifuge static radius high-acruracy survey.
In order to achieve the above object, the utility model has adopted following technical scheme:
The device of measuring for precision centrifuge static radius described in the utility model, comprise and being connected with described precision centrifuge main shaft and the whirligig of synchronous rotary and be installed on the accelerometer on described whirligig, the input shaft of described accelerometer overlaps with the radius of clean-up of described precision centrifuge or coincidence substantially.
Particularly, described whirligig can be precision centrifuge rotating disk, and the edge of described precision centrifuge rotating disk is provided with locating platform, and described accelerometer is installed on described locating platform.
Described whirligig can be also the large arm of precision centrifuge, and the outer end of the large arm of described precision centrifuge is provided with sectional fixture, and described accelerometer is installed on described sectional fixture.
The beneficial effects of the utility model are:
Due to the input shaft of accelerometer and the radius of clean-up of precision centrifuge overlaps or substantially overlap, so the utility model can carry out inverse precision centrifuge static radius by the output voltage values of accelerometer, can lowering apparatus and alignment error impact, improved measuring accuracy.
Accompanying drawing explanation
Fig. 1 is one of main TV structure schematic diagram of the device of measuring for precision centrifuge static radius described in the utility model;
Fig. 2 be described in the utility model for precision centrifuge static radius measure device main TV structure schematic diagram two.
Embodiment
Below in conjunction with accompanying drawing, the utility model is further described in detail:
As depicted in figs. 1 and 2, the device of measuring for precision centrifuge static radius described in the utility model, comprise and being connected with precision centrifuge main shaft 2 and the whirligig of synchronous rotary and be installed on the accelerometer 5 on whirligig, the input shaft of accelerometer 5 overlaps with the radius of clean-up R of precision centrifuge or coincidence substantially.In figure, also show precision centrifuge ground 3.
As shown in Figure 1, described whirligig can be precision centrifuge rotating disk 1, and the edge of precision centrifuge rotating disk 1 is provided with locating platform 6, and accelerometer 5 is installed on locating platform 6.
As shown in Figure 2, described whirligig can be also the large arm 7 of precision centrifuge, and the outer end of the large arm 7 of precision centrifuge is provided with sectional fixture 4, and accelerometer 5 is installed on sectional fixture 4.
As depicted in figs. 1 and 2, during work, precision centrifuge main shaft 2 is by motor (not shown) driven rotary, precision centrifuge main shaft 2 drives precision centrifuge rotating disk 1 or the large arm 7 of precision centrifuge to rotate, drive precision centrifuge rotating disk 1 drives locating platform 6 to rotate or the large arm 7 of precision centrifuge drives sectional fixture 4 to rotate, locating platform 6 or sectional fixture 4 drive accelerometer 5 to rotate, thereby can calculate precision centrifuge static radius according to each rotation parameter.
Claims (3)
1. a device of measuring for precision centrifuge static radius, it is characterized in that: comprise and being connected with described precision centrifuge main shaft and the whirligig of synchronous rotary and be installed on the accelerometer on described whirligig, the input shaft of described accelerometer overlaps with the radius of clean-up of described precision centrifuge or coincidence substantially.
2. the device of measuring for precision centrifuge static radius according to claim 1, it is characterized in that: described whirligig is precision centrifuge rotating disk, the edge of described precision centrifuge rotating disk is provided with locating platform, and described accelerometer is installed on described locating platform.
3. the device of measuring for precision centrifuge static radius according to claim 1, it is characterized in that: described whirligig is the large arm of precision centrifuge, the outer end of the large arm of described precision centrifuge is provided with sectional fixture, and described accelerometer is installed on described sectional fixture.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320750910.2U CN203550935U (en) | 2013-11-22 | 2013-11-22 | Device used for measuring static radius of precision centrifuge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320750910.2U CN203550935U (en) | 2013-11-22 | 2013-11-22 | Device used for measuring static radius of precision centrifuge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203550935U true CN203550935U (en) | 2014-04-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320750910.2U Expired - Fee Related CN203550935U (en) | 2013-11-22 | 2013-11-22 | Device used for measuring static radius of precision centrifuge |
Country Status (1)
| Country | Link |
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| CN (1) | CN203550935U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103591919A (en) * | 2013-11-22 | 2014-02-19 | 中国工程物理研究院总体工程研究所 | Method and device for measuring static radius of precise centrifugal machine |
| CN105973269A (en) * | 2016-06-02 | 2016-09-28 | 中国工程物理研究院总体工程研究所 | Vibration centrifuging composite experiment device for inertia instrument calibration and testing method |
| CN108168487A (en) * | 2017-12-29 | 2018-06-15 | 哈尔滨工大航博科技有限公司 | A kind of arm-type precision centrifuge Dynamic Radius measuring mechanism |
| CN108196092A (en) * | 2017-12-22 | 2018-06-22 | 中国电子产品可靠性与环境试验研究所 | Centrifuge radius of clean-up scaling method, system and accelerometer calibration method |
| CN109556496A (en) * | 2018-11-22 | 2019-04-02 | 北京航天计量测试技术研究所 | A kind of device and method guaranteeing centrifuge working radius consistency |
| CN111947683A (en) * | 2020-07-17 | 2020-11-17 | 北京航天控制仪器研究所 | A method and device for offline measurement and online compensation of radius error of precision centrifuge |
| CN115060153A (en) * | 2022-06-10 | 2022-09-16 | 中国航空工业集团公司北京航空精密机械研究所 | Method and device for measuring dynamic radius of precision centrifuge based on strain gauge |
-
2013
- 2013-11-22 CN CN201320750910.2U patent/CN203550935U/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103591919A (en) * | 2013-11-22 | 2014-02-19 | 中国工程物理研究院总体工程研究所 | Method and device for measuring static radius of precise centrifugal machine |
| CN103591919B (en) * | 2013-11-22 | 2016-01-13 | 中国工程物理研究院总体工程研究所 | For the method and apparatus that precision centrifuge static radius is measured |
| CN105973269A (en) * | 2016-06-02 | 2016-09-28 | 中国工程物理研究院总体工程研究所 | Vibration centrifuging composite experiment device for inertia instrument calibration and testing method |
| CN108196092A (en) * | 2017-12-22 | 2018-06-22 | 中国电子产品可靠性与环境试验研究所 | Centrifuge radius of clean-up scaling method, system and accelerometer calibration method |
| CN108168487A (en) * | 2017-12-29 | 2018-06-15 | 哈尔滨工大航博科技有限公司 | A kind of arm-type precision centrifuge Dynamic Radius measuring mechanism |
| CN108168487B (en) * | 2017-12-29 | 2021-06-29 | 哈尔滨工大航博科技有限公司 | An arm-type precision centrifuge dynamic radius measuring mechanism |
| CN109556496A (en) * | 2018-11-22 | 2019-04-02 | 北京航天计量测试技术研究所 | A kind of device and method guaranteeing centrifuge working radius consistency |
| CN111947683A (en) * | 2020-07-17 | 2020-11-17 | 北京航天控制仪器研究所 | A method and device for offline measurement and online compensation of radius error of precision centrifuge |
| CN111947683B (en) * | 2020-07-17 | 2022-07-05 | 北京航天控制仪器研究所 | Off-line measurement and on-line compensation method and device for radius error of precision centrifuge |
| CN115060153A (en) * | 2022-06-10 | 2022-09-16 | 中国航空工业集团公司北京航空精密机械研究所 | Method and device for measuring dynamic radius of precision centrifuge based on strain gauge |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C53 | Correction of patent for invention or patent application | ||
| CB03 | Change of inventor or designer information |
Inventor after: Li Qisheng Inventor after: Li Minghai Inventor after: Wang Jue Inventor after: Ling Mingxiang Inventor after: Zhang Rong Inventor after: Yang Xin Inventor after: Li Sizhong Inventor before: Li Qisheng Inventor before: Li Minghai Inventor before: Wang Yu Inventor before: Ling Mingxiang Inventor before: Zhang Rong Inventor before: Yang Xin Inventor before: Li Sizhong |
|
| COR | Change of bibliographic data |
Free format text: CORRECT: INVENTOR; FROM: LI QISHENG LI MINGHAI WANG YU LING MINGXIANG ZHANG RONG YANG XIN LI SIZHONG TO: LI QISHENG LI MINGHAI WANG JUE LING MINGXIANG ZHANG RONG YANG XIN LI SIZHONG |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140416 Termination date: 20171122 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |