CN204788210U - Accurate angle detection device is lost in static position of accurate centrifugal separator - Google Patents
Accurate angle detection device is lost in static position of accurate centrifugal separator Download PDFInfo
- Publication number
- CN204788210U CN204788210U CN201520554050.4U CN201520554050U CN204788210U CN 204788210 U CN204788210 U CN 204788210U CN 201520554050 U CN201520554050 U CN 201520554050U CN 204788210 U CN204788210 U CN 204788210U
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- CN
- China
- Prior art keywords
- air supporting
- mount pad
- side rail
- accurate
- rail
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- Withdrawn - After Issue
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Abstract
The utility model discloses an accurate angle detection device is lost in static position of accurate centrifugal separator, including being used for installing the accurate mount pad of measured piece, the air supporting side's rail that has the air supporting sliding sleeve, gage block, magnetic force table skeleton and amesdial, a terminal surface of gage block is hugged closely accurate mount pad and is measured the face, and another terminal surface of gage block and rotary main shaft's surface are hugged closely simultaneously to air supporting side's rail, and the amesdial is installed on the magnetic force table skeleton, and the magnetic force table skeleton is adorned on the air supporting sliding sleeve. The utility model provides an under the finite space condition static position lose accurate angle and detect difficult problem, simplified the system, improved the interference killing feature, the cost is cheaper, has improved detection efficiency, has reduced the detection cost.
Description
Technical field
The utility model relates to the static azimuthal misalignment angle detecting device of a kind of precision centrifuge, belongs to inertia device testing apparatus technical field, can be applicable to the inspection of precision centrifuge, verification and experiment.
Background technology
The static azimuthal misalignment angle measuring method of existing precision centrifuge adopts twin shaft dynamic photoelectric collimator method: degree of will speed up meter is contained on accurate mount pad, spindle axis installs 45 ° of dynamic catoptrons, 45 ° of quiet catoptrons are installed in spindle top space again, finally employing twin shaft dynamic photoelectric collimator is arranged on precision centrifuge headroom, the reflecting surface that adjustment light path makes light path center and precision centrifuge spindle axis heavily be incorporated in accurate mount pad forms usable reflection, rotate precision centrifuge rotating disk/arm one week, the maximal value of record twin shaft dynamic photoelectric collimator method output voltage and minimum value, static azimuthal misalignment angle is obtained again by formula scales.Because the method needs at precision centrifuge spindle top and outside installation two 45 ° of catoptrons, the light of twin shaft dynamic photoelectric collimator is also come in by external transmission, therefore cannot use under the effective condition in many spaces, and is subject to external interference; Secondly light modulation Lu Zhizheng and precision centrifuge spindle axis registration adjust degree of difficulty greatly, and efficiency is low; Moreover the whole system needed for this detection method forms complexity, cost is higher.
Utility model content
The purpose of this utility model is just to provide a kind of precision centrifuge static azimuthal misalignment angle detecting device to solve the problem.
The utility model is achieved through the following technical solutions above-mentioned purpose:
The static azimuthal misalignment angle detecting device of a kind of precision centrifuge, comprise the accurate mount pad for installing measured piece and the air supporting side's rail with air supporting sliding sleeve, described accurate mount pad is fixedly mounted on the load end of precision centrifuge pivot arm, described air supporting side rail level is arranged on described pivot arm, described accurate mount pad is rectangular structure, described accurate mount pad is parallel with described air supporting side rail, one of them side of described accurate mount pad is as measuring surface and just to described air supporting side rail, the gauge block of rectangular structure is provided with between described air supporting side rail and described accurate mount pad, described gauge block is positioned at the one end away from precision centrifuge rotary main shaft on described accurate mount pad, first end face of described gauge block is close to the measuring surface of described accurate mount pad, described air supporting side rail is close to the second end face of described gauge block and the outside surface of described rotary main shaft simultaneously, first end face of described gauge block and the second end face are opposite face, the air supporting sliding sleeve of described air supporting side rail is provided with magnetic force dial framework, the outer end of described magnetic force dial framework is provided with clock gauge, the gauge outfit of described clock gauge is resisted against in the measuring surface of described accurate mount pad.
Further, described accurate mount pad is the hollow rectangular structure of finishing, and the measuring surface of described accurate mount pad is parallel with described air supporting side rail.
Further, described measured piece is arranged in described accurate mount pad, and described measured piece input shaft direction is parallel with the measuring surface of described accurate mount pad.
Further, the length of described gauge block is the half of the difference of the diameter of described rotary main shaft and the width of described accurate mount pad.
Further, described air supporting side rail is supported by single-point side's rail chair and two point side's rail chair.
Further, described single-point side rail chair is made up of single-point side's rail chair body and single-point set screw, described single-point set screw screws in described single-point side rail chair body from the bottom to top, described single-point set screw is resisted against the lower surface of described air supporting side rail, described two point side rail chair is made up of two point side's rail chair body and two two point set screw, two described two point set screw screw in described two point side rail chair body all from the bottom to top, two described two point set screw are all resisted against the lower surface of described air supporting side rail, the strong point height to described air supporting side rail is regulated by the described two point set screw of turn two and described single-point set screw.
The beneficial effects of the utility model are:
1) space between the load end of precision centrifuge pivot arm and main shaft need only be utilized, have nothing to do with other outer spatial configuration, can be applicable to that precision centrifuge is exterior the situations such as cabinet, main shaft height are higher, spindle top space cannot utilize, under solving limited space conditions, difficult problem is detected at static azimuthal misalignment angle.
2) adopt mechanical principle and pure physical construction, compare optical principle and complex optical path structure, simplify system, improve antijamming capability.
3) mechanical hook-up compares structure of optical means more singly, and cost is cheaper, and avoids the light path adjustment process wasted time and energy, and improves detection efficiency, reduces testing cost.
Accompanying drawing explanation
Fig. 1 is the structural representation of the static azimuthal misalignment angle detecting device of precision centrifuge described in the utility model;
Fig. 2 is the structural representation of single-point side described in the utility model rail chair;
Fig. 3 is the structural representation of two point side described in the utility model rail chair;
In figure: 1-gauge block, 2-magnetic force dial framework, 3-air supporting sliding sleeve, 4-clock gauge, 5-single-point side rail chair, 51-single-point side rail chair body, 52-single-point set screw, 6-accurate mount pad, 7-two point side rail chair, 71-two point side rail chair body, 72-two point set screw, 8-air supporting side rail, 9-measured piece, 10-pivot arm, 11-rotary main shaft.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail:
As Fig. 1, shown in Fig. 2 and Fig. 3, the utility model comprises the accurate mount pad 6 for installing measured piece 9 and the air supporting side's rail 8 with air supporting sliding sleeve 3, accurate mount pad 6 is fixedly mounted on the load end of precision centrifuge pivot arm 10, air supporting side's rail 8 level is arranged on pivot arm 10, accurate mount pad 6 is rectangular structure, accurate mount pad 6 is parallel with air supporting side's rail 8, one of them side of accurate mount pad 6 is as measuring surface C and just to air supporting side's rail 8, the gauge block 1 of rectangular structure is provided with between air supporting side's rail 8 and accurate mount pad 6, gauge block 1 is positioned at the one end away from precision centrifuge rotary main shaft 11 on accurate mount pad 6, first end face of gauge block 1 is close to the measuring surface C of accurate mount pad 6, air supporting side's rail 8 is close to the second end face of gauge block 1 and the outside surface of rotary main shaft 11 simultaneously, first end face of gauge block 1 and the second end face are opposite face, the air supporting sliding sleeve 3 of air supporting side's rail 8 is provided with magnetic force dial framework 2, the outer end of magnetic force dial framework 2 is provided with clock gauge 4, the gauge outfit of clock gauge 4 is resisted against on the measuring surface C of accurate mount pad 6.
The hollow rectangular structure that accurate mount pad 6 is finishing, the measuring surface C of accurate mount pad 6 is parallel with air supporting side's rail 8.
Measured piece 9 is arranged in accurate mount pad 6, and measured piece 9 input shaft direction is parallel with the measuring surface C of accurate mount pad 6.
The length of gauge block 1 is the half of the difference of the diameter of rotary main shaft 11 and the width of accurate mount pad 6, if the length of gauge block 1 is L, the width of accurate mount pad 6 is H, and the diameter of rotary main shaft 11 is D, then
can according to length value L calculated here customization gauge block 1.
The cross section of air supporting side's rail 8 is square, and air supporting side's rail 8 and air supporting sliding sleeve 3 are joined and processed, and adopt air-float guide rail technology to ensure the motion straightness of air supporting sliding sleeve 3 on air supporting side's rail 8.
Air supporting side's rail 8 is supported by single-point side's rail chair 5 and two point side's rail chair 7, and utilizes three point method to regulate the setting angle of air supporting side's rail 8, ensures that air supporting side's rail 8 is fitted with the second end face of gauge block 1 and the intimate of rotary main shaft 11 simultaneously.
Single-point side's rail chair 5 is made up of single-point side's rail chair body 51 and single-point set screw 52, single-point set screw 52 screws in single-point side's rail chair body 51 from the bottom to top, single-point set screw 52 is resisted against the lower surface of air supporting side's rail 8, two point side's rail chair 7 is made up of two point side's rail chair body 71 and two two point set screw 72, two two point set screw 72 screw in two point side's rail chair body 71 all from the bottom to top, two two point set screw 72 are all resisted against the lower surface of air supporting side's rail 8, regulate the strong point height to air supporting side's rail 8 by turn two two point set screw 72 and single-point set screw 52.
JJG1066-2011 " precision centrifuge vertification regulation " is to the definition at static azimuthal misalignment angle: the drift angle in the input shaft of tested accelerometer relative hydro-extractor radius of clean-up direction in surface level under stationary state.
The measured piece 9 of precision centrifuge is generally various types of accelerometer or other inertia sensitive components, and they have one to the sensitive direction of centrifugal acceleration usually, i.e. its input shaft direction.Accelerometer or other inertia sensitive components are all axisymmetric structures under normal circumstances, therefore its input shaft overlaps with its structure axis.
Static azimuthal misalignment angle of the present utility model, when measuring, requires that measured piece 9 is arranged on centre position in accurate mount pad 6, namely
place, input shaft (or axis) direction is parallel with the measuring surface C of accurate mount pad 6.
The testing process of the utility model to static azimuthal misalignment angle is as follows: first adjust magnetic force dial framework 2 and the gauge outfit of clock gauge 4 contacted with the measuring surface C of accurate mount pad 6 and energy reliable measurements, to the ventilated inside gas pipe of air supporting sliding sleeve 3, then air supporting sliding sleeve 3 is touched with hand along air supporting side's rail 8, air supporting sliding sleeve 3 is made to slide into the other end with magnetic force dial framework 2 and clock gauge 4 from one end of the measuring surface C of accurate mount pad 6, if the gauge outfit contact initial point of clock gauge 4 is A, if the gauge outfit contact terminal of clock gauge 4 is B, if the distance of A to B is S, if the static azimuthal misalignment angle of precision centrifuge is β
j, record clock gauge 4 is at the indicating value M of A, B 2
a, M
b, measure the distance S of A, B 2, then clock gauge 4 is the static azimuthal misalignment angle β of precision centrifuge in the initial point A of gauge outfit and the indicating value difference of terminal B two location points divided by the distance S of point-to-point transmission tangent of negating again
j, namely
can average by repetitive measurement in necessary situation.
These are only preferred embodiment of the present utility model, not in order to limit the utility model, all do within spirit of the present utility model and principle any amendment, equivalent to replace and improvement etc., all should be included in protection domain of the present utility model.
Claims (6)
1. the static azimuthal misalignment angle detecting device of precision centrifuge, it is characterized in that: comprise the accurate mount pad for installing measured piece and the air supporting side's rail with air supporting sliding sleeve, described accurate mount pad is fixedly mounted on the load end of precision centrifuge pivot arm, described air supporting side rail level is arranged on described pivot arm, described accurate mount pad is rectangular structure, described accurate mount pad is parallel with described air supporting side rail, one of them side of described accurate mount pad is as measuring surface and just to described air supporting side rail, the gauge block of rectangular structure is provided with between described air supporting side rail and described accurate mount pad, described gauge block is positioned at the one end away from precision centrifuge rotary main shaft on described accurate mount pad, first end face of described gauge block is close to the measuring surface of described accurate mount pad, described air supporting side rail is close to the second end face of described gauge block and the outside surface of described rotary main shaft simultaneously, first end face of described gauge block and the second end face are opposite face, the air supporting sliding sleeve of described air supporting side rail is provided with magnetic force dial framework, the outer end of described magnetic force dial framework is provided with clock gauge, the gauge outfit of described clock gauge is resisted against in the measuring surface of described accurate mount pad.
2. the static azimuthal misalignment angle detecting device of precision centrifuge according to claim 1, it is characterized in that: described accurate mount pad is the hollow rectangular structure of finishing, the measuring surface of described accurate mount pad is parallel with described air supporting side rail.
3. the static azimuthal misalignment angle detecting device of precision centrifuge according to claim 2, it is characterized in that: described measured piece is arranged in described accurate mount pad, described measured piece input shaft direction is parallel with the measuring surface of described accurate mount pad.
4. the static azimuthal misalignment angle detecting device of precision centrifuge according to claim 1, is characterized in that: the length of described gauge block is the half of the difference of the diameter of described rotary main shaft and the width of described accurate mount pad.
5. the static azimuthal misalignment angle detecting device of precision centrifuge according to claim 1, is characterized in that: described air supporting side rail is supported by single-point side's rail chair and two point side's rail chair.
6. the static azimuthal misalignment angle detecting device of precision centrifuge according to claim 5, it is characterized in that: described single-point side rail chair is made up of single-point side's rail chair body and single-point set screw, described single-point set screw screws in described single-point side rail chair body from the bottom to top, described single-point set screw is resisted against the lower surface of described air supporting side rail, described two point side rail chair is made up of two point side's rail chair body and two two point set screw, two described two point set screw screw in described two point side rail chair body all from the bottom to top, two described two point set screw are all resisted against the lower surface of described air supporting side rail.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520554050.4U CN204788210U (en) | 2015-07-28 | 2015-07-28 | Accurate angle detection device is lost in static position of accurate centrifugal separator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520554050.4U CN204788210U (en) | 2015-07-28 | 2015-07-28 | Accurate angle detection device is lost in static position of accurate centrifugal separator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204788210U true CN204788210U (en) | 2015-11-18 |
Family
ID=54528234
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520554050.4U Withdrawn - After Issue CN204788210U (en) | 2015-07-28 | 2015-07-28 | Accurate angle detection device is lost in static position of accurate centrifugal separator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204788210U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104976944A (en) * | 2015-07-28 | 2015-10-14 | 中国工程物理研究院总体工程研究所 | Device for detecting static azimuth misalignment angle of precise centrifuge and method thereof |
| CN107101563A (en) * | 2017-07-07 | 2017-08-29 | 中国航发哈尔滨轴承有限公司 | A kind of method that quick narrow rib of measurement bearing inner race bears dorsal horn |
| CN111024985A (en) * | 2019-12-17 | 2020-04-17 | 北京航天控制仪器研究所 | Misalignment angle adjusting device for tire-embracing type quartz accelerometer |
-
2015
- 2015-07-28 CN CN201520554050.4U patent/CN204788210U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104976944A (en) * | 2015-07-28 | 2015-10-14 | 中国工程物理研究院总体工程研究所 | Device for detecting static azimuth misalignment angle of precise centrifuge and method thereof |
| CN104976944B (en) * | 2015-07-28 | 2017-07-28 | 中国工程物理研究院总体工程研究所 | A kind of static azimuthal misalignment angle detecting device of precision centrifuge and its method |
| CN107101563A (en) * | 2017-07-07 | 2017-08-29 | 中国航发哈尔滨轴承有限公司 | A kind of method that quick narrow rib of measurement bearing inner race bears dorsal horn |
| CN111024985A (en) * | 2019-12-17 | 2020-04-17 | 北京航天控制仪器研究所 | Misalignment angle adjusting device for tire-embracing type quartz accelerometer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20151118 Effective date of abandoning: 20170728 |