CN107036558B - The spatial vertical degree detection device of worm-gear speed reducer drive axle seat axially bored line - Google Patents
The spatial vertical degree detection device of worm-gear speed reducer drive axle seat axially bored line Download PDFInfo
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- CN107036558B CN107036558B CN201710218673.8A CN201710218673A CN107036558B CN 107036558 B CN107036558 B CN 107036558B CN 201710218673 A CN201710218673 A CN 201710218673A CN 107036558 B CN107036558 B CN 107036558B
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- laser
- amici prism
- determining member
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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
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- 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 devices of worm-gear speed reducer drive axle seat axially bored line.The present invention includes three-jaw positioning mechanism in input axis, three-jaw positioning mechanism, laser pickoff (ccd sensor, lens), input shaft spool determining member, output axis shaft determining member, laser, multiple free degree micro regulation mechanism, Amici prism (Amici prism lens cover, Amici prism pedestal), 180 ° of Amici prisms (180 ° of Amici prism lens covers, 180 ° of Amici prism microscope bases), cross-graduation plate, adjustment device in output axis.Structure of the invention is relatively easy, and to detectable substance it is not damaged or damage it is smaller.
Description
Technical field
The present invention relates to photoelectricity three-dimensional measurement technologies, belong to different surface beeline squareness measurement technical field, specifically
A kind of spatial vertical degree detection device of novel, efficient worm-gear speed reducer drive axle seat axially bored line.
Background technique
Speed reducer is the converter that motor speed conversion is realized using gear, using it may be said that very extensive, from automobile,
Ship, construction equipment and the equipment of industrial product in the small transmission system to the various machinery such as our household electrical appliances, have passed through decades
Development, by the cycloidal planetary gear speed reducer of most original, the multiple types being developed so far, with the development of national economy, in recent years
Speed reducer market is even more that demand increases, and higher requirements are also raised for the quality and technique direction to speed reducer.And worm and gear
Decelerator shell axis hole antarafacial verticality directly affects the matter that transmission shaft peace turns precision, bearing clearance, gear clearance and speed reducer
Amount and service life.The improvement of speed reducer quality can be improved in worm-gear speed reducer shell bearing hole antarafacial axis verticality measurement
Processing technology has three coordinate machine mensuration, laser interferance method, machine currently, the detection of different surface beeline angle is still in developing stage
Videogrammetry etc., and the above two are not suitable for industry spot and expensive, utilize machine vision precise measurement antarafacial thus
Straight line angle becomes a big hot spot.
Currently, more research has been done to the angle measurement of different surface beeline by University Of Tianjin, large scale Space Angle is analyzed
The measuring principle for spending detection system, 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 established 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 anti-interference ability and measurement accuracy of guarantee system have studied the online threshold adaptive selection method of image segmentation, devise
With the Boundary extracting algorithm and target selection criterion compared with strong anti-interference ability.Finally, the measuring precision is tested
Analysis.Under conditions of the illumination that object distance is 300mm, two measurement stations is respectively 182lux and 150lux, space antarafacial angle
Measurement reproducibility precision is ± 0.0115 °.Algorithm meets the required precision of system on-line measurement, and such measurement method 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 to determine 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 realize shell space different surface beeline center away from measurement.And the method for multi-vision visual has algorithm complexity.
Summary of the invention
In order to solve the above-mentioned problems of the prior art, the present invention is directed to current status both at home and abroad, provides a kind of comparison
Precisely reliable, structure is relatively easy, and not damaged to detectable substance or damage is smaller, and the lower worm and gear of computational complexity subtracts
The spatial vertical degree detection device of fast machine drive axle seat axially bored line.
Present invention uses worm-gear speed reducer shell, the present invention includes three-jaw positioning mechanism in input axis, output
Three-jaw positioning mechanism, laser pickoff (ccd sensor, lens), input shaft spool determining member, output axis shaft determine in axis
Part, laser, multiple free degree micro regulation mechanism, Amici prism (Amici prism lens cover, Amici prism pedestal), 180 ° of Amici prisms
(180 ° of Amici prism lens covers, 180 ° of Amici prism microscope bases), cross-graduation plate, adjustment device.
The worm-gear speed reducer shell is tested device, and three-jaw positioning mechanism is internally used for solid in two input axis
Determine input shaft spool determining member, externally for determining the center of circle of decelerator shell benchmark axis hole, three-jaw is fixed in two output axis
Position mechanism is internally used for fixed output axis shaft determining member, externally for determining the center of circle of the vertical axis hole of decelerator shell.
The cross-graduation plate is fixed on close to input shaft spool determining member one end of laser, and cross-graduation plate center is used
The center of circle of decelerator shell axis hole where stating this end, the input shaft spool determining member other end and output axis shaft determining member
Both ends are threadedly coupled installation laser pickoff, and the ccd sensor center of this three laser pickoffs respectively indicates where it
The center of circle of axis hole, laser are fixed in multiple free degree micro regulation mechanism by its included fixed device, multiple free degree micro regulation mechanism
The controlled variable in five directions such as rotation angle, pitch angle and X, Y, Z be can provide, it can be achieved that the laser of laser emitting passes through input
The cross-graduation plate of axis shaft determining member and the center of laser pickoff.
Amici prism lens cover and Amici prism pedestal can be chosen and be carried to the Amici prism, and Amici prism passes through light splitting rib
The center position of the bolt connection input shaft spool determining member of mirror base position, 180 ° of Amici prisms are voluntarily to set
Meter, the special prism of required optical path, 180 ° of Amici prism lens covers and 180 ° of light splitting ribs are reached using multiple right-angled triangular prisms
Mirror pedestal is designed referring to optical path and Amici prism, the bolt connection that 180 ° of Amici prisms pass through 180 ° of Amici prism pedestals
In input shaft spool determining member corresponding position, device is adjusted for adjusting reference axis and is allowed to flat with upper surface of outer cover shaft bore surface
Row.
Multiple free degree micro regulation mechanism provides the adjustment of high-precision X, Y, Z axis and angle and pitch angle in the present invention.Laser
Receiver is allowed to flat with upper surface of outer cover shaft bore surface for adjusting reference axis for acquiring laser spot position, adjustment device
Row, adjusts input shaft spool determining member by adjusting device, utilizes the laser and Amici prism of laser emitting and 180 ° points
The laser of light prismatic reflection finally obtains the position of laser facula on the laser pickoff of output axis shaft determining member, passes through
The center of ccd sensor where VC software compares it, so that it is determined that verticality.
The spatial vertical degree detection device of worm-gear speed reducer drive axle seat axially bored line above-mentioned further includes data acquisition
Card module, and the upper computer module with storing data can be handled.
The present invention receives the data that processing ccd sensor is uploaded by data collecting card using VC software, laser reflection
Method determines input shaft spool determining member center line and exports the center line and practical axis of axis shaft determining member, and passes through upper
Machine VC data processing calculates the angle of output axis shaft determining member center line and practical axis, 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, high-efficient.
Detailed description of the invention
Fig. 1 is schematic perspective view of the invention；
Fig. 2 is the schematic perspective view without worm-gear speed reducer shell；
Fig. 3 is input shaft spool 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.
Specific embodiment
Below in conjunction with attached 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 three-jaw positioning mechanism 4 in input axis,
Export three-jaw positioning mechanism 1, laser pickoff 2(CCD sensor 18, lens 19 in axis), it is input shaft spool determining member 3, defeated
Axis shaft determining member 10, laser 6, multiple free degree micro regulation mechanism 7, Amici prism 12(Amici prism lens cover 14, Amici prism out
Pedestal 15), 17,180 ° of Amici prism microscope bases 16 of 11(180 ° of Amici prism lens cover of 180 ° of Amici prisms), cross-graduation plate 5, adjust
Engagement positions 13.
Three-jaw positioning mechanism 4 is used to find out the center of circle of 9 benchmark axis hole of worm-gear speed reducer shell in the input axis
And input shaft spool determining member 3 is clamped, it exports three-jaw positioning mechanism 1 in axis and hangs down for finding out worm-gear speed reducer shell 9
The center of circle in d-axis hole and clamping export axis shaft determining member 10, and cross is installed at 3 end of input shaft spool determining member similar in laser 6
Graticle 5 is used to determine the center of circle of this 9 benchmark axis hole of end worm-gear speed reducer shell, input shaft spool determining member 3 it is another
End is connected through a screw thread peace and turns laser pickoff 2 for determining the center of circle of this 9 benchmark axis hole of end worm-gear speed reducer shell, divides
Light prism 12 passes through the corresponding position for being threadably mounted at input shaft spool determining member 3 of Amici prism pedestal, 180 ° of Amici prisms
11 pass through the corresponding position for being threadably mounted at input shaft spool determining member 3 of 180 ° of Amici prism pedestals 15, and output axis shaft is true
Determine 10 both ends of part and be connected through a screw thread installation laser pickoff 2 respectively that the vertical axis hole of worm-gear speed reducer shell 9 found out with this
The center of circle, adjustment device 13 is used to adjust the level of input shaft spool determining member 3, and red line 8 indicates the laser optical path in device,
Middle laser pickoff 2 is composed of ccd sensor 18 and the collector lens of front end 19, and the purpose is to allow emergent light to pass in CCD
There is better recognition effect on sensor 18.Laser 6 is fixed 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 device of worm-gear speed reducer drive axle seat axially bored line is installed by above-mentioned connection type,
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.
Step 1: opening laser 6, inject laser simultaneously by the cross-graduation plate 5 of 3 one end of input shaft spool determining member
Up on the ccd sensor 18 of the outgoing end-receiver 2 of the other end.
Step 2: adjustment multiple free degree micro regulation mechanism 7 passes through the incident laser in the first step in cross-graduation plate 5
The center of the heart and the ccd sensor 18 of other end outgoing end-receiver 2.
Step 3: adjustment adjustment device, so that the upper table of input shaft spool determining member 3 and worm-gear speed reducer shell 9
Face is parallel.
Step 4: being sensed on computers using the CCD that software reads output 10 both ends laser pickoff 2 of axis shaft determining member
Laser facula on device 18.
Step 5: the centre coordinate of laser facula and output axis shaft determining member in the 4th step is calculated using VC software
The centre coordinate of ccd sensor 18 on 10 both ends laser pickoffs 2.
Step 6: being calculated by VC software on the ccd sensor 18 of output 10 both ends laser pickoff 2 of axis shaft determining member
Laser spot center line and output 10 both ends laser pickoff 2 of axis shaft determining member on ccd sensor 18 centre coordinate
The angle of line, the final spatial vertical degree for determining worm-gear speed reducer drive axle seat axially bored line.
The measurement of the spatial vertical degree of single worm-gear speed reducer drive axle seat axially bored line may be implemented in the present invention, and will
Measurement data is stored on PC, while subsequent VC software being facilitated to analyze.
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
It penetrates 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
With theoretical centerline further compared with obtain its verticality, this automation equipment degree is higher, and to worm-gear speed reducer outside
Shell damage is small or not damaged, operates convenient for operator, and measurement accuracy is high, and stability is good.
Basic principles and main features and advantage of the invention have been shown and described above.The technical staff of the industry should
Understand, the present invention is not limited to the above embodiments, and the above embodiments and description only describe originals of the invention
Reason, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, 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 device of worm-gear speed reducer drive axle seat axially bored line, including three-jaw positions in input axis
Three-jaw positioning mechanism, laser pickoff, input shaft spool determining member, output axis shaft determining member, laser in mechanism, output axis
Device, multiple free degree micro regulation mechanism, the first Amici prism, the second Amici prism, cross-graduation plate and adjustment device, feature exist
In:
Three-jaw positioning mechanism is internally used to fix input axis determining member, externally for determining worm and gear in two input axis
The center of circle of decelerator shell input shaft string holes, three-jaw positioning mechanism is internally used for fixed output axis and determines in two output axis
Part, the center of circle for externally 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 for stating
The center of circle of worm-gear speed reducer shell axis hole where this end, the two of the input axis determining member other end and output axis determining member
End is threadedly coupled installation laser pickoff, and the ccd sensor center in three laser pickoffs respectively indicates axis where it
The center of circle in hole, laser are fixed on multiple free degree micro regulation mechanism by its included fixed device, and multiple free degree micro regulation mechanism can mention
For rotating the controlled variable of five angle, pitch angle and X, Y, Z directions, it can be achieved that the laser of laser emitting is true by input axis
Determine cross-graduation plate and the center of laser pickoff of part；
First Amici prism is connected in input axis determining member by the bolt of the first Amici prism base position
At heart position, second Amici prism connects input axis determining member phase by the bolt of the second Amici prism pedestal
Position is answered, the second Amici prism is used to reflex to the wherein light beam of the first Amici prism the both ends of output axis determining member,
Adjustment device is allowed to parallel with upper surface of outer cover shaft bore surface for adjusting input axis；Utilize the laser of laser emitting and
The laser of one Amici prism and the reflection of the second Amici prism, finally obtains laser on the laser pickoff of output axis determining member
The position of hot spot, the center of ccd sensor where comparing it by software, so that it is determined that verticality, described second point
Light prism is 180 ° of Amici prisms.
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| 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 |
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| 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 |
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| Publication Number | Publication Date |
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| CN107036558A CN107036558A (en) | 2017-08-11 |
| CN107036558B true CN107036558B (en) | 2019-02-12 |
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| 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 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110243299B (en) * | 2019-07-08 | 2021-04-06 | 陈怀超 | Backlash detection device and backlash detection method |
| CN110954037B (en) * | 2019-12-13 | 2021-11-02 | 天津大学 | Scanning measuring device and method for deep hole axis |
| CN112539721B (en) * | 2020-11-25 | 2022-05-06 | 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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| JP2920830B1 (en) * | 1998-06-19 | 1999-07-19 | 新菱冷熱工業株式会社 | Three-dimensional piping assembly device using laser light |
| JP2001091235A (en) * | 1999-09-24 | 2001-04-06 | Mitsubishi Precision Co Ltd | Relative azimuth detecting method and device for underground conduit |
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| CN101872074A (en) * | 2010-06-13 | 2010-10-27 | 浙江大学 | Adjustment method of three pairwise vertical light |
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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 |
| JP2920830B1 (en) * | 1998-06-19 | 1999-07-19 | 新菱冷熱工業株式会社 | Three-dimensional piping assembly device using laser light |
| JP2001091235A (en) * | 1999-09-24 | 2001-04-06 | Mitsubishi Precision Co Ltd | Relative azimuth detecting method and device for underground conduit |
| CN2553337Y (en) * | 2002-07-24 | 2003-05-28 | 倪国正 | Linear bidirectional lighting assembly |
| CN101872074A (en) * | 2010-06-13 | 2010-10-27 | 浙江大学 | Adjustment method of three pairwise vertical light |
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