CN106705821B - A kind of rotary axis system orthogonality measurement method and device - Google Patents
A kind of rotary axis system orthogonality measurement method and device Download PDFInfo
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- CN106705821B CN106705821B CN201510462936.0A CN201510462936A CN106705821B CN 106705821 B CN106705821 B CN 106705821B CN 201510462936 A CN201510462936 A CN 201510462936A CN 106705821 B CN106705821 B CN 106705821B
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Abstract
The invention belongs to Technology of Precision Measurement fields, and in particular to a kind of rotary axis system orthogonality measurement method and device.The device includes measuring table, swing mechanism pedestal, orientation rotating shaft, U-shaped frame, I standard ball, pitching rotating shaft, II standard ball, high-precision dial gauge, dial gauge bracket, dial gauge pedestal.Standard ball use diameter 25mm steel ball, 0.1 μm of steel ball circularity.High-precision dial gauge uses high-precision inductance sensor, and accuracy of measurement is 0.1 μm.It is measured using quadrature shaft of the above-mentioned standard to pitch axis span 200mm, reaches 0.2 by the orthogonality accuracy of measurement that theoretical calculation can obtain two quadrature shafts ".
Description
Technical field
The invention belongs to Technology of Precision Measurement fields, and in particular to a kind of rotary axis system orthogonality measurement method and device.
Background technique
In fields such as accurate inertia test equipment, precision instruments, multi-shaft precise rotary axis system is often used, is set to improve
Standby and instrument accuracy of measurement needs accurately to measure the orthogonality between shafting, on this basis to measuring device machinery knot
Structure is adjusted or compensates.
Currently, having mature detection method and means for the rotating accuracy of single shafting, for multiple shafting orthogonalities
For, also there is corresponding acceptance test method, i.e., is drawn the axis of two or more rotary axis systems using auto-collimation principle, meter
Calculate the orthogonality between angle you can get it the shafting of axis.It since above method measurement efficiency is lower, and cannot be tune in real time
Whole offer real-time measuring data has certain limitation.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of rotary axis system orthogonality measurement method and devices, improve multiaxis
Turn round detection, the regulated efficiency of class mechanical structure shafting orthogonality.
In order to solve the above technical problems, a kind of rotary axis system orthogonality measuring device of the present invention, which includes that measurement is flat
Platform, orientation rotating shaft, U-shaped frame, I standard ball, pitching rotating shaft, II standard ball, high-precision dial gauge, refers to swing mechanism pedestal
Show that table bracket, dial gauge pedestal, swing mechanism pedestal are fixed on measuring table；Turn-around machine is fixed in the rotation of orientation rotating shaft both ends
Structure pedestal is connected with U-shaped frame；The rotation of pitching rotating shaft both ends is fixed on inside U-shaped frame U-shaped and is pierced by U-shaped frame；I standard ball and II
Standard ball is connected with pitching rotating shaft both ends；Dial gauge pedestal is fixed on measuring table；Dial gauge bracket is fixed on dial gauge
Pedestal is relative to the measuring table other side；High-precision dial gauge is fixed on dial gauge bracket.
The I standard ball and II standard ball is connected by two-dimensional adjusting mechanism with pitching rotating shaft both ends.
A kind of rotary axis system orthogonality measurement method, specifically includes the following steps:
Step 1: the adjustment of standard ball and pitch axis, contacts I standard ball surface for high-precision dial gauge, turns round pitching
Rotating shaft, by observing high-precision dial gauge data variation, if high-precision dial gauge is read in pitching rotating shaft turning course
Number changes, and adjusts the standard ball position by two-dimensional adjusting mechanism, makes high-precision dial gauge in pitching rotating shaft turning course
Read constant, the standard ball centre of sphere is finished with pitching rotating shaft axis trimming at this time, and gyrobearing rotating shaft connects II standard ball
High-precision dial gauge is touched, II standard ball and pitching rotating shaft axial location are adjusted；
Step 2: orthogonality measuring basis determines, mobile accuracy dial gauge, near I standard ball bottom surface or top side location
Precision dial gauge reentry point is found, that is, finds I standard ball extreme lower position or extreme higher position, fixed precision dial gauge, and write down finger
Show meter reading a1, measuring basis determination at this time finishes；
Step 3: axis vertical take-off measures, orientation rotating shaft is rotated 180 °, makes II standard ball and I standard ball position pair
It adjusts, mobile accuracy dial gauge, finds the reentry point of II standard ball, that is, find II standard ball extreme lower position or extreme higher position, record
Dial gauge reading a2 obtains the linear dimension error and angular error of orientation rotating shaft and pitching rotating shaft.
In the step 3, the linear dimension error of orientation rotating shaft and pitching rotating shaft are as follows:
In the step 3, the angular error formula of orientation rotating shaft and pitching rotating shaft are as follows:L
Along the distance of axis of rotation between two standard balls.
Diameter 25mm steel ball is used the beneficial technical effect of the present invention lies in: standard ball, 0.1 μm of steel ball circularity.In high precision
Dial gauge uses high-precision inductance sensor, and accuracy of measurement is 0.1 μm.Using above-mentioned standard to pitch axis span 200mm's
Quadrature shaft measures, and reaches 0.2 by the orthogonality accuracy of measurement that theoretical calculation can obtain two quadrature shafts ".
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of rotary axis system orthogonality measuring device provided by the present invention.
In figure: 1- swing mechanism pedestal；The orientation 2- rotating shaft；3-U type frame；4-I standard ball；5- pitching rotating shaft；6-II
Standard ball；7- high-precision dial gauge；8- dial gauge bracket；9- dial gauge pedestal；10- measuring table.
Specific embodiment
Invention is further described in detail with reference to the accompanying drawings and examples.
As shown in Figure 1, a kind of rotary axis system orthogonality measuring device of the present invention, which includes measuring table 10, revolution
Mechanism base 1, U-shaped frame 3, I standard ball 4, pitching rotating shaft 5, II standard ball 6, high-precision dial gauge 7, refers to orientation rotating shaft 2
Show table bracket 8, dial gauge pedestal 9, swing mechanism pedestal 1, which is connected through a screw thread, to be fixed on measuring table 10；Orientation rotating shaft 2
Both ends are connected by bearing and axle sleeve with swing mechanism pedestal 1 and U-shaped frame 3；5 both ends of pitching rotating shaft are solid by bearing and axle sleeve
Inside U-shaped frame 3U shape and it is pierced by U-shaped frame 3；I standard ball 4 and II standard ball 6 pass through two-dimensional adjusting mechanism and pitching rotating shaft
5 both ends are connected；High-precision dial gauge 7 is connected by screw thread with dial gauge bracket 8；Dial gauge bracket 8 is threadably secured in finger
Show on table pedestal 9；Dial gauge pedestal 9 is threadably secured on measuring table.
A kind of rotary axis system orthogonality measurement method, specifically includes the following steps:
Step 1: the adjustment of standard ball and pitch axis, contacts 4 surface of I standard ball for high-precision dial gauge 7, revolution is bowed
Rotating shaft 5 is faced upward, the deviation of the standard ball centre of sphere and axis of rotation is judged by observing 7 data variation of high-precision dial gauge, if
High-precision dial gauge 7 reads change in 5 turning course of pitching rotating shaft, adjusts the standard ball position by two-dimensional adjusting mechanism
It sets, reads high-precision dial gauge 7 in 5 turning course of pitching rotating shaft constant, the standard ball centre of sphere and pitching are turned round at this time
5 axis trimming of axis finishes, gyrobearing rotating shaft 2, and II standard ball is contacted high-precision dial gauge, similarly adjusts II standard ball 6
With 5 axial location of pitching rotating shaft；
Step 2: orthogonality measuring basis determines, mobile accuracy dial gauge 7 is attached in 4 bottom surface of I standard ball or top side location
It is close to find 7 reentry point of precision dial gauge, that is, I standard ball extreme lower position or extreme higher position, fixed precision dial gauge 7 are found, and remember
Lower dial gauge reading a1, at this time measuring basis determination finish；
Step 3: axis vertical take-off measures, orientation rotating shaft 2 is rotated 180 °, makes II standard ball 6 and 4 position of I standard ball
It exchanges, mobile dial gauge finds the reentry point of II standard ball, that is, finds II standard ball extreme lower position or extreme higher position, record refers to
Show meter reading a2, at this time the linear dimension error of orientation rotating shaft and pitching rotating shaft are as follows:Angular error is public
Formula are as follows:L is between two standard balls along the distance of axis of rotation.
I standard ball 4 and 6 position of II standard ball can be interchanged in foregoing description, all measurement method described in category this programme.
The present invention is explained in detail above in conjunction with drawings and examples, but the present invention is not limited to above-mentioned implementations
Example, within the knowledge of a person skilled in the art, can also make without departing from the purpose of the present invention
Various change out.The content being not described in detail in the present invention can use the prior art.
Claims (5)
1. a kind of rotary axis system orthogonality measuring device, it is characterised in that: the device includes measuring table (10), swing mechanism bottom
Seat (1), orientation rotating shaft (2), U-shaped frame (3), I standard ball (4), pitching rotating shaft (5), II standard ball (6), high-precision indicate
Table (7), dial gauge bracket (8), dial gauge pedestal (9), swing mechanism pedestal (1) are fixed on measuring table (10)；Orientation revolution
The rotation of axis (2) both ends is fixed on swing mechanism pedestal (1) and is connected with U-shaped frame (3)；U is fixed in the rotation of pitching rotating shaft (5) both ends
Inside type frame (3) U-shaped and it is pierced by U-shaped frame (3)；I standard ball (4) and II standard ball (6) are connected with pitching rotating shaft (5) both ends；
Dial gauge pedestal (9) is fixed on measuring table (10)；Dial gauge bracket (8) is fixed on dial gauge pedestal (9) relative to measurement
Platform (10) other side；High-precision dial gauge (7) is fixed on dial gauge bracket (8).
2. a kind of rotary axis system orthogonality measuring device according to claim 1, it is characterised in that: the I standard ball
(4) it is connected by two-dimensional adjusting mechanism with pitching rotating shaft (5) both ends with II standard ball (6).
3. a kind of rotary axis system orthogonality measurement method, it is characterised in that: specifically includes the following steps:
Step 1: high-precision dial gauge (7) are contacted I standard ball (4) surface, revolution is bowed by the adjustment of standard ball and pitch axis
Rotating shaft (5) are faced upward, by observing high-precision dial gauge (7) data variation, if high-precision dial gauge (7) is in pitching rotating shaft
(5) it reads and changes in turning course, which is adjusted by two-dimensional adjusting mechanism, high-precision dial gauge (7) is made to bow
It faces upward and reads constant in rotating shaft (5) turning course, the standard ball centre of sphere is finished with pitching rotating shaft (5) axis trimming at this time, rotation
Turn orientation rotating shaft (2), II standard ball is contacted into high-precision dial gauge (7), adjusts II standard ball (6) and pitching rotating shaft (5)
Axial location；
Step 2: orthogonality measuring basis determines, mobile accuracy dial gauge (7) is attached in I standard ball (4) bottom surface or top side location
It is close to find precision dial gauge (7) reentry point, that is, find I standard ball extreme lower position or extreme higher position, fixed precision dial gauge (7),
And dial gauge reading a1 is write down, measuring basis determination at this time finishes；
Step 3: axis vertical take-off measures, orientation rotating shaft (2) are rotated 180 °, make II standard ball (6) and I standard ball (4) position
It sets and exchanges, mobile accuracy dial gauge (7) finds the reentry point of II standard ball, that is, finds II standard ball extreme lower position or highest order
It sets, records dial gauge reading a2, obtain the linear dimension error and angular error of orientation rotating shaft and pitching rotating shaft.
4. a kind of rotary axis system orthogonality measurement method according to claim 3, it is characterised in that: in the step 3,
The linear dimension error of orientation rotating shaft and pitching rotating shaft are as follows:。
5. a kind of rotary axis system orthogonality measurement method according to claim 3, it is characterised in that: in the step 3,
The angular error formula of orientation rotating shaft and pitching rotating shaft are as follows:L is between two standard balls along revolution
The distance of axis.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510462936.0A CN106705821B (en) | 2015-07-31 | 2015-07-31 | A kind of rotary axis system orthogonality measurement method and device |
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| CN201510462936.0A CN106705821B (en) | 2015-07-31 | 2015-07-31 | A kind of rotary axis system orthogonality measurement method and device |
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| CN106705821A CN106705821A (en) | 2017-05-24 |
| CN106705821B true CN106705821B (en) | 2019-05-17 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109443332B (en) * | 2018-12-11 | 2020-12-01 | 河北汉光重工有限责任公司 | Laser measurement method for orthogonality of land defense monitoring turntable shaft system |
| CN110823059B (en) * | 2019-10-14 | 2021-04-30 | 湖北三环锻造有限公司 | Device for detecting center height of automobile steering knuckle |
| CN110631523B (en) * | 2019-10-16 | 2021-04-20 | 大连理工大学 | Device and method for measuring position error between shafts of precise two-dimensional rotary table |
| CN111023947A (en) * | 2019-12-27 | 2020-04-17 | 北京航天计量测试技术研究所 | Inter-axis distance measuring method, device and system, storage medium and processor |
| CN112556579A (en) * | 2020-12-25 | 2021-03-26 | 深圳市中图仪器股份有限公司 | Six-degree-of-freedom space coordinate position and attitude measuring device |
| CN114088037B (en) | 2021-07-29 | 2023-08-11 | 深圳市中图仪器股份有限公司 | Method for measuring orthogonality of orthogonal axis system of instrument |
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| SU868318A1 (en) * | 1980-01-07 | 1981-09-30 | Запорожский Завод Специального Технологического Оборудования | Device for measuring non-perpendicularity of end-face to opening axis |
| US5430948A (en) * | 1993-07-12 | 1995-07-11 | Vander Wal, Iii; H. James | Coordinate measuring machine certification system |
| CN2276628Y (en) * | 1996-04-04 | 1998-03-18 | 左维诚 | Glass bottle vertical axis deviation measuring apparatus |
| CN201497451U (en) * | 2009-08-10 | 2010-06-02 | 哈尔滨量具刃具集团有限责任公司 | Synthetic error check tool of cutter preset admeasuring apparatus |
| CN201561736U (en) * | 2009-11-23 | 2010-08-25 | 中国包装科研测试中心 | Verticality tester for PET bottle |
| CN102384732B (en) * | 2011-10-31 | 2013-10-23 | 西安理工大学 | Axis coplanarity detection device for orthogonal spinning axis with built-in intersection point and precision detection method thereof |
| JP6126359B2 (en) * | 2012-11-15 | 2017-05-10 | 株式会社ミツトヨ | Sphere shape measuring device |
| CN103743338B (en) * | 2013-12-20 | 2017-01-04 | 西安交通大学 | There is sphere revolution runout error and compensate laser tracking measurement system and the compensation method thereof of function |
| CN204177311U (en) * | 2014-11-18 | 2015-02-25 | 江苏中联铝业有限公司 | Rim for automobile wheel jitter detection apparatus |
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