CN107036558A - The spatial vertical degree detection means of worm-gear speed reducer drive axle seat axially bored line - Google Patents
The spatial vertical degree detection means of worm-gear speed reducer drive axle seat axially bored line Download PDFInfo
- Publication number
- CN107036558A CN107036558A CN201710218673.8A CN201710218673A CN107036558A CN 107036558 A CN107036558 A CN 107036558A CN 201710218673 A CN201710218673 A CN 201710218673A CN 107036558 A CN107036558 A CN 107036558A
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- Prior art keywords
- laser
- determining member
- amici prism
- center
- worm
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/26—Measuring arrangements characterised by the use of optical techniques for measuring angles or tapers; for testing the alignment of axes
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C15/00—Surveying instruments or accessories not provided for in groups G01C1/00 - G01C13/00
- G01C15/12—Instruments for setting out fixed angles, e.g. right angles
Abstract
The invention discloses a kind of spatial vertical degree detection means of worm-gear speed reducer drive axle seat axially bored line.The present invention includes three-jaw detent mechanism in input axis, three-jaw detent mechanism, laser pickoff in output axis（Ccd sensor, lens）, input shaft bobbin determining member, output axis shaft determining member, laser, multiple free degree micro regulation mechanism, Amici prism（Amici prism lens cover, Amici prism base）, 180 ° of Amici prisms（180 ° of Amici prism lens covers, 180 ° of Amici prism microscope bases）, cross-graduation plate, adjusting apparatus.Structure of the present invention is relatively easy, and to detectable substance not damaged or damages smaller.
Description
Technical field
The present invention relates to photoelectricity three-dimensional measurement technology, belong to different surface beeline squareness measurement technical field, specifically
A kind of new, efficient worm-gear speed reducer drive axle seat axially bored line spatial vertical degree detection means.
Background technology
Reductor is the converter that motor speed conversion is realized using gear, using it may be said that quite varied, from automobile,
In ship, construction equipment and the equipment of industrial product, the small various mechanical transmission systems to our household electrical appliances etc., decades are have passed through
Development, by the cycloidal planetary gear speed reducer of most original, the polytype being developed so far, with the development of national economy, in recent years
Reductor market is even more that demand increases, and the quality and technique direction to reductor it is also proposed higher requirement.And worm and gear
Decelerator shell axis hole antarafacial perpendicularity directly affects the matter that power transmission shaft peace turns precision, bearing clearance, gear clearance and reductor
Amount and service life.The measurement of worm-gear speed reducer shell bearing hole antarafacial axis verticality can improve the improvement of reductor quality
Processing technology, at present, the detection of different surface beeline angle are still in developing stage, there is three coordinate machine mensuration, laser interferance method, machine
Videogrammetry etc., and the above two are not suitable for industry spot and costly, and antarafacial is accurately measured using machine vision for this
Straight line angle turns into a big focus.
At present, relatively more researchs have been done in angular surveying of the University Of Tianjin to different surface beeline, analyze large scale Space Angle
The measuring principle of detecting system is spent, along tested element common vertical line direction using the plane propagation characteristic of line-structured light at several meters to ten
Angle common reference is set up in the distance of remaining rice.Propose the extracting method of optical reference information.Secondly, devise element to be measured
Image processing algorithm, the angle of mark post axis and datum ray is calculated respectively using two vision systems.Then, it is
The antijamming capability and measurement accuracy of guarantee system, have studied the online threshold adaptive system of selection of image segmentation, devise
Boundary extracting algorithm and target selection criterion with compared with strong anti-interference ability.Finally, the measuring precision is tested
Analysis.Object distance be 300mm, two measurement stations illumination be respectively 182lux and 150lux under conditions of, space antarafacial angle
Measurement reproducibility precision is ± 0.0115 °.Algorithm meets the required precision of system on-line measurement, and such a metering system is inadaptable
In measurement of the worm-gear speed reducer shell without mark post.The Ye Jianbo of Chinese Inst. of Air-to-Air Missiles is determination automobile steering device snail
Worm and gear installs accurate dimension inside procapsid, using the method for multi-vision visual three-dimensionalreconstruction, show that the space of different surface beeline is sat
Mark, then realizes the measurement of shell space different surface beeline centre-to-centre spacing.And the method for multi-vision visual has the problem of algorithm is complicated.
The content of the invention
In order to solve the problem of above-mentioned prior art is present, the present invention compares for current status both at home and abroad there is provided one kind
Precisely reliable, structure is relatively easy, and to detectable substance not damaged or damages smaller, and the relatively low worm and gear of computational complexity subtracts
The spatial vertical degree detection means of fast machine drive axle seat axially bored line.
Present invention uses worm-gear speed reducer shell, the present invention includes three-jaw detent mechanism in input axis, output
Three-jaw detent mechanism, laser pickoff in axis（Ccd sensor, lens）, input shaft bobbin determining member, output axis shaft determine
Part, laser, multiple free degree micro regulation mechanism, Amici prism（Amici prism lens cover, Amici prism base）, 180 ° of Amici prisms
（180 ° of Amici prism lens covers, 180 ° of Amici prism microscope bases）, cross-graduation plate, adjusting apparatus.
The worm-gear speed reducer shell is that three-jaw detent mechanism is internally used for admittedly in tested device, two input axis
Determine three-jaw in input shaft bobbin determining member, the external center of circle for being used to determine decelerator shell benchmark axis hole, two output axis to determine
Position mechanism is internally used for fixed output axis shaft determining member, the external center of circle for being used to determine the vertical axis hole of decelerator shell.
The cross-graduation plate is fixed on close to input shaft bobbin determining member one end of laser, and cross-graduation plate center is used
The center of circle of decelerator shell axis hole where this end is stated, the input shaft bobbin determining member other end and output axis shaft determining member
Laser pickoff is installed in two ends with threaded connection, and the ccd sensor center of this three laser pickoffs represents its place respectively
The center of circle of axis hole, laser carries fixing device by it and is fixed in multiple free degree micro regulation mechanism, multiple free degree micro regulation mechanism
The controlled variable in five directions such as the anglec of rotation, the angle of pitch and X, Y, Z can be provided, the laser that laser emitting can be achieved passes through input
The cross-graduation plate of axis shaft determining member and the center of laser pickoff.
The Amici prism can be chosen and carry Amici prism lens cover and Amici prism base, and Amici prism passes through light splitting rib
The bolt connection of mirror base position is arranged on the center position of input shaft bobbin determining member, and 180 ° of Amici prisms are voluntarily to set
Meter, the special prism of light path, its 180 ° of Amici prism lens covers and 180 ° of light splitting ribs needed for being reached using multiple right-angled triangular prisms
Mirror base is designed with reference to light path and Amici prism, and 180 ° of Amici prisms are installed by the bolt connection of 180 ° of Amici prism bases
In input shaft bobbin determining member relevant position, adjusting apparatus is allowed to flat with upper surface of outer cover shaft bore surface for adjusting reference axis
OK.
Multiple free degree micro regulation mechanism provides the adjustment of high-precision X, Y, Z axis and angle and the angle of pitch in the present invention.Laser
Receiver is used to gather laser spot position, and adjusting apparatus is allowed to flat with upper surface of outer cover shaft bore surface for adjusting reference axis
OK, input shaft bobbin determining member is adjusted by adjusting apparatus, utilizes the laser and Amici prism of laser emitting and 180 ° points
The laser of light prismatic reflection, the position of laser facula is finally obtained on the laser pickoff of output axis shaft determining member, is passed through
The center of ccd sensor where VC softwares contrast it, so that it is determined that perpendicularity.
The spatial vertical degree detection means of foregoing worm-gear speed reducer drive axle seat axially bored line, in addition to data acquisition
Card module, and the upper computer module with data storage can be handled.
The data that the present invention is uploaded using VC software reception processing ccd sensors by data collecting card, laser reflection
Method determines the center line and actual axis of input shaft bobbin determining member center line and output axis shaft determining member, and by upper
Machine VC data processings calculate the angle of output axis shaft determining member center line and actual axis, so as to judge that worm and gear slows down
The spatial vertical degree of machine drive axle seat axially bored line, the present apparatus is easy to operate, and algorithm is simple with respect to CCD multi-vision visual method, efficiency high.
Brief description of the drawings
Fig. 1 is the dimensional structure diagram of the present invention；
Fig. 2 is the dimensional structure diagram without worm-gear speed reducer shell；
Fig. 3 is input shaft bobbin determining member figure of the present invention；
Fig. 4 is present invention output axis shaft determining member figure；
Fig. 5 is Amici prism schematic diagram of the present invention；
Fig. 6 is 180 ° of Amici prism schematic diagrames of the invention；
Fig. 7 is laser pickoff schematic diagram of the present invention；
Fig. 8 is flow chart of the present invention.
Embodiment
Below in conjunction with accompanying drawing, the invention will be further described.
As shown in Fig. 1,2,3,4,5,6,7, device used in the present invention include input axis in three-jaw detent mechanism 4,
Export three-jaw detent mechanism 1, laser pickoff 2 in axis（Ccd sensor 18, lens 19）, it is input shaft bobbin determining member 3, defeated
Go out axis shaft determining member 10, laser 6, multiple free degree micro regulation mechanism 7, Amici prism 12（Amici prism lens cover 14, Amici prism
Base 15）, 180 ° of Amici prisms 11（180 ° of Amici prism lens covers 17,180 ° of Amici prism microscope bases 16）, cross-graduation plate 5, adjust
Engagement positions 13.
Three-jaw detent mechanism 4 is used for the center of circle for finding out the benchmark axis hole of worm-gear speed reducer shell 9 in the input axis
And input shaft bobbin determining member 3 is clamped, export three-jaw detent mechanism 1 in axis and hung down for finding out worm-gear speed reducer shell 9
The center of circle in d-axis hole and clamping output axis shaft determining member 10, cross is installed at the close end of input shaft bobbin determining member 3 of laser 6
Graticle 5 is used to determining the center of circle of this benchmark axis hole of end worm-gear speed reducer shell 9, input shaft bobbin determining member 3 it is another
End is connected through a screw thread peace and turns the center of circle that laser pickoff 2 is used to determine this benchmark axis hole of end worm-gear speed reducer shell 9, point
Light prism 12 passes through the correspondence position for being threadably mounted at input shaft bobbin determining member 3 of Amici prism base, 180 ° of Amici prisms
11 by the relevant positions for being threadably mounted at input shaft bobbin determining member 3 of 180 ° of Amici prism bases 15, and output axis shaft is true
Determine the two ends of part 10 be connected through a screw thread respectively installation laser pickoff 2 the vertical axis hole of worm-gear speed reducer shell 9 is found out with this
The center of circle, adjusting apparatus 13 is used to adjust the level of input shaft bobbin determining member 3, and red line 8 represents the laser optical path in device, its
Middle laser pickoff 2 is combined by the collector lens 19 of ccd sensor 18 and front end, and the purpose is to allow emergent light to be passed in CCD
There is more preferable recognition effect on sensor 18.Laser 6 is secured by bolts in multiple free degree micro regulation mechanism 7, CCD in the present apparatus
The data collecting card and host computer of sensor 18 are not drawn into.
The spatial vertical degree detection means of worm-gear speed reducer drive axle seat axially bored line is installed by above-mentioned connected mode,
Connect the power supply of laser 6 and the data collecting card and host computer of ccd sensor 18 and corresponding power supply；As shown in figure 1,
After instrument is ready, Fig. 8 is seen.
The first step：Laser 6 is opened, laser is injected simultaneously by the cross-graduation plate 5 of the one end of input shaft bobbin determining member 3
Up on the ccd sensor 18 of the outgoing end-receiver 2 of the other end.
Second step：Adjustment multiple free degree micro regulation mechanism 7 causes the incident laser in the first step to pass through in cross-graduation plate 5
The center of the heart and the ccd sensor 18 of other end outgoing end-receiver 2.
3rd step：Adjust adjusting apparatus so that input shaft bobbin determining member 3 and the upper table of worm-gear speed reducer shell 9
Face is parallel.
4th step：The CCD sensings of the two ends laser pickoff 2 of output axis shaft determining member 10 are read using software on computers
Laser facula on device 18.
5th step：The centre coordinate of laser facula and output axis shaft determining member in the 4th step are calculated using VC softwares
The centre coordinate of ccd sensor 18 on 10 two ends laser pickoffs 2.
6th step：On the ccd sensor 18 that the two ends laser pickoff 2 of output axis shaft determining member 10 is calculated by VC softwares
Laser spot center line and ccd sensor 18 on the two ends laser pickoff 2 of output axis shaft determining member 10 centre coordinate
The angle of line, the final spatial vertical degree for determining worm-gear speed reducer drive axle seat axially bored line.
The present invention can realize the measurement of the spatial vertical degree of single worm-gear speed reducer drive axle seat axially bored line, and will
Measurement data is stored on PC, while facilitating follow-up VC software analysis.
The present invention discloses a kind of spatial vertical degree device of worm-gear speed reducer drive axle seat axially bored line, anti-by laser
Penetrate and the method for ccd sensor reading spot center position determines that worm-gear speed reducer shell is tested the actual center line of axis hole
Further compared with theoretical centerline and draw its perpendicularity, this automation equipment degree is higher, and to worm-gear speed reducer outside
Shell damages small or not damaged, is easy to operating personnel to operate, and measurement accuracy is high, and stability is good.
General principle, principal character and the advantage of the present invention has been shown and described above.The technical staff of the industry should
Understand, the present invention is not limited to the above embodiments, the original for simply illustrating the present invention described in above-described embodiment and specification
Reason, without departing from the spirit and scope of the present invention, various changes and modifications of the present invention are possible, these changes and improvements
It all fall within the protetion scope of the claimed invention.The claimed scope of the invention is by appended claims and its equivalent
Boundary.
Claims (1)
1. the spatial vertical degree detection means of worm-gear speed reducer drive axle seat axially bored line, including three-jaw is positioned in input axis
Three-jaw detent mechanism, laser pickoff, input shaft bobbin determining member, output axis shaft determining member, laser in mechanism, output axis
Device, multiple free degree micro regulation mechanism, Amici prism, 180 ° of Amici prisms, cross-graduation plate and adjusting apparatus, it is characterised in that：
Three-jaw detent mechanism is internally used to fix input axis determining member, is externally used to determine worm and gear in two input axis
Three-jaw detent mechanism is internally used for fixed output axis determination in the center of circle of decelerator shell input shaft string holes, two output axis
Part, the external center of circle for being used to determine worm-gear speed reducer shell output shaft string holes；
The cross-graduation plate is fixed on close to input axis determining member one end of laser, and cross-graduation plate center is used to state
The two of the center of circle of worm-gear speed reducer shell axis hole where this end, the input axis determining member other end and output axis determining member
Axis hole where the ccd sensor center that end is installed in optical receiver, three optical receivers with threaded connection represents it respectively
The center of circle, laser carries fixing device by it and is fixed on multiple free degree micro regulation mechanism, and multiple free degree micro regulation mechanism can provide rotation
Gyration, the controlled variable in five directions of the angle of pitch and X, Y, Z, the laser that laser emitting can be achieved pass through input axis determining member
Cross-graduation plate and optical receiver center；
The Amici prism is arranged on the center position of input axis determining member by the bolt connection of Amici prism base position,
180 ° of Amici prisms are arranged on input axis determining member relevant position by the bolt connection of 180 ° of Amici prism bases,
180 ° of Amici prisms are used for the two ends that the wherein light beam of Amici prism is reflexed to output axis determining member, and adjusting apparatus is used for
Adjustment input axis is allowed to parallel with upper surface of outer cover shaft bore surface；Utilize the laser and Amici prism of laser emitting and 180 °
The laser of Amici prism reflection, finally obtains the position of laser facula on the outgoing optical receiver of output axis determining member, leads to
The center of ccd sensor where software contrasts it is crossed, so that it is determined that perpendicularity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710218673.8A CN107036558B (en) | 2017-04-05 | 2017-04-05 | The spatial vertical degree detection device of worm-gear speed reducer drive axle seat axially bored line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710218673.8A CN107036558B (en) | 2017-04-05 | 2017-04-05 | The spatial vertical degree detection device of worm-gear speed reducer drive axle seat axially bored line |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107036558A true CN107036558A (en) | 2017-08-11 |
| CN107036558B CN107036558B (en) | 2019-02-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710218673.8A Active CN107036558B (en) | 2017-04-05 | 2017-04-05 | The spatial vertical degree detection device of worm-gear speed reducer drive axle seat axially bored line |
Country Status (1)
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| CN (1) | CN107036558B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110243299A (en) * | 2019-07-08 | 2019-09-17 | 陈怀超 | A kind of sideshake detection device and sideshake detection method |
| CN110954037A (en) * | 2019-12-13 | 2020-04-03 | 天津大学 | Scanning measuring device and method for deep hole axis |
| CN112539721A (en) * | 2020-11-25 | 2021-03-23 | 华北水利水电大学 | Method for measuring key machining error of three-crank cycloid wheel of speed reducer for robot |
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2017
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| CN1052734A (en) * | 1989-12-21 | 1991-07-03 | 清华大学 | Laser parallel degree and verticality measuring instrument and measuring method thereof |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110243299A (en) * | 2019-07-08 | 2019-09-17 | 陈怀超 | A kind of sideshake detection device and sideshake detection method |
| CN110954037A (en) * | 2019-12-13 | 2020-04-03 | 天津大学 | Scanning measuring device and method for deep hole axis |
| CN110954037B (en) * | 2019-12-13 | 2021-11-02 | 天津大学 | Scanning measuring device and method for deep hole axis |
| CN112539721A (en) * | 2020-11-25 | 2021-03-23 | 华北水利水电大学 | Method for measuring key machining error of three-crank cycloid wheel of speed reducer for robot |
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| CN107036558B (en) | 2019-02-12 |
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