CN103776372B - Device and method for measuring side precision of gear of automobile transmission - Google Patents
Device and method for measuring side precision of gear of automobile transmission Download PDFInfo
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- CN103776372B CN103776372B CN201410027251.9A CN201410027251A CN103776372B CN 103776372 B CN103776372 B CN 103776372B CN 201410027251 A CN201410027251 A CN 201410027251A CN 103776372 B CN103776372 B CN 103776372B
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- laser
- plane
- acquisition target
- measurement
- automatically controlled
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Abstract
The invention discloses a device and method for measuring the side precision of a gear of an automobile transmission. The device comprises a laser plane generator, a laser detection target and a movement mechanism controlled by an embedded system. A first connecting rod and a second connecting rod of the movement mechanism control upward movement and downward movement of the laser plane generator and the upward movement and the downward movement or horizontal movement of the laser detection target through a first servo mechanism and a second servo mechanism. The laser plane generator is in tight contact with or separated from a detected plane through a first electronic control magnetic base, and when the laser plane generator is in contact with the detected plane, a laser plane is generated. The laser detection target is in tight contact with or separated from the detected plane through a second electronic control magnetic base, when the laser detection target is in contact with the detected plane, the height value of the laser plane is measured, measured data are directly transmitted to the embedded system, and a measurement result is displayed through the screen of the embedded system finally. According to the device and method for measuring the side precision of the gear of the automobile transmission, the laser plane is used as a measurement datum, and the measurement precision is high; automation of the measurement process is achieved through the movement mechanism controlled by the embedded system, and therefore the measurement speed is improved.
Description
Technical field
The present invention relates to a kind of gear side accuracy measuring device and method, more particularly to it is used for automobile gearbox gear
The measurement apparatus of side precision and method.
Background technology
As the key components and partss of automobile, its quality directly influences the riding comfortableness of automobile and reliability to gear.Carry
The outgoing of high automobile gear is the guarantee to car mass, even more the guarantee to personal safety.The automobile of China at present
Gear still adopts traditional detection meanss in process of production, lacks effective on-line measuring device.Side as spiral bevel gear
Precision is detected using the method for artificial clearance gauge, and rely on clearance gauge fills in whether degree meets come the side precision to detect gear
The prescription of product, though the method is simple to operate, precision is low, and there is anthropic factor, and different people is in different time
Section, the dynamics of clearance gauge is different, and the result of measurement is just different, and measurement result has very big randomness.Therefore study automobile tooth
On-line measuring device during wheel production, for the quality of guarantee vehicle key parts and sending out of adaptation modern automobile industry
Exhibition has very important significance.
Content of the invention
It is an object of the invention to provide a kind of certainty of measurement is high, measuring speed is fast, energy is accurate, automatic measurement, automobile gear
The measurement apparatus of lateral dimension precision and method.
The present invention is realized by following technical proposals: a kind of automobile gearbox gear side accuracy measuring device, including
Test platform, laser plane generator, laser acquisition target, the motion being controlled by embedded system, described motion
Including driver assembly and first, second connecting rod equipped with first, second servomechanism inside it, described first connecting rod and described the
One servomechanism is connected, and can upper and lower stretch, described second connecting rod is connected with the second servomechanism, upper and lower can stretch or move in parallel；
Described laser plane generator one end is movably connected with described first connecting rod by the first adapter, the other end and the first automatically controlled magnetic
Property seat be connected, described laser acquisition target one end is movably connected by the second adapter and second connecting rod, the other end and second electric
Control magnet base is connected；Described laser plane generator is in close contact with tested plane by the described first automatically controlled magnet base or divides
From described laser acquisition target is in close contact with tested plane by the described second automatically controlled magnet base or separates.
Laser acquisition target of the present invention is laser position sensors, and its measurement range is 24mm.
First, second adapter of the present invention is to have resilient flexible jumper.
Using the measuring method of device of the present invention, comprise the following steps:
(1) test platform is transported to specified location gear by conveyer belt；
(2) guided by motion, laser plane generator and laser acquisition target are moved down into apart from quilt by initial position
Survey at 0.5mm above plane, enter working condition；
(3) the automatically controlled magnet base of laser plane generator is energized so as to be in close contact with measured surface, and it is flat to produce laser
Face is as measurement basal plane；
(4) laser acquisition target, under motion guiding, moves in parallel along circular trace, reaches default test point；
(5) the automatically controlled magnet base of laser acquisition target is energized so as to be in close contact with measured surface, and produces laser plane
As measurement basal plane；
(6) laser acquisition target measuring laser plane height number, the data recording is transferred directly to embedded system；
(7) laser acquisition target automatically controlled magnet base power-off so as to tested planar separation；
(8) to next test point, repeat step (4)～(7), until complete all default tests for the translation of laser acquisition target
The measurement of point；
(9) guided by motion, laser plane generator and tested planar separation, together with laser acquisition target upwards
Motion, returns to initial position；It is simultaneously embedded in formula system program according to least-square evaluation method, data to be transported accordingly
Calculate and analyze；Eventually through embedded system screen display measurement result or by communications interface transmission to other intelligent terminal
Equipment；
(10) gear being measured is transported to corresponding qualified products or unqualified according to measurement result by test platform
On product conveyer belt.
The present invention compared with prior art has the advantage that
(1) adopt laser plane e measurement technology, certainty of measurement is higher；
(2) based on the servo control mechanism that embedded system controls control laser plane generator and laser acquisition target upper,
Lower or move in parallel action automatically carry out it is achieved that the automatization of whole measurement process, measurement efficiency is higher.
(3) by the motion that embedded system controls achieve laser plane generator and laser acquisition target with tested
Being contacting and separating of surface, gear and test platform need not rotate in test process, therefore to test platform and test system
The flatness of itself and horizontality requirement are very low.
Brief description
Fig. 1 is measurement apparatus structure principle chart of the present invention.
Fig. 2 is drive assembly structure principle chart in measurement apparatus of the present invention.
Fig. 3 is laser acquisition target movement locus schematic diagram in measurement apparatus of the present invention.
Fig. 4 is measurement apparatus workflow diagram of the present invention.
Specific embodiment
Below in conjunction with the accompanying drawings and embodiment elaborates to the present invention.
Referring to Fig. 1～3, the base of laser plane generator 4 is automatically controlled magnet base 6a, realizes generator 4 and tested plane 9
Contact and separating action；After generator 4 is in close contact with measured surface, laser plane 13 can be produced, as measurement basal plane；
Generator 4 is to be connected with connecting rod 2a by having resilient flexible jumper 3a；The base of laser acquisition target 5 is automatically controlled magnetic
Seat 6b, realizes target 5 contact with tested plane 9 and separating action；Target 5 passes through have resilient flexible jumper 3b and company
Bar 2b connects；Connecting rod 2a and 2b is connected with driver assembly 1；Under connecting rod 2a driving of servo control mechanism 10a in driver assembly 1
Can stretch up and down；Under connecting rod 2b driving of servo control mechanism 10b in driver assembly 1, can stretch it is possible to axis up and down
Centered on 8, do fixed point circular motion according to target motion track 11 and default measuring point 12, and circle diameter can be continuously or discontinuously
Change.The tested side of gear 9 is placed on test platform 7 upward；Test platform 7 transfixion during measurement is carried out,
Unidirectional can move along a straight line before and after measurement, realize the conveying of gear.Servo control mechanism 10a and 10b, automatically controlled magnetic in driver assembly 1
The drive signal of seat 6a and 6b and test platform 7 is all provided by embedded system.Target 5, in measurement process, often completes one
Individual measuring point, data is delivered directly to embedded system；Test completes, and is shown by embedded system screen or other intelligent terminal screen
Show measurement result.
The measuring method of the present embodiment is carried out as follows:
(1) test platform is transported to gear the specified location in measurement apparatus by conveyer belt；
(2) guided by motion, laser plane generator and laser acquisition target are moved down into apart from quilt by initial position
Survey at 0.5mm above plane, enter working condition；
(3) the automatically controlled magnet base of laser plane generator is energized so as to be in close contact with measured surface, and with 635nm ripple
Long red laser, is used as measurement basal plane by rotating total reflection prism generation laser plane, its plane precision is 2.5 μm/m,
Laser plane diameter 2m；
(4) laser acquisition target, under motion guiding, moves in parallel along circular trace, reaches default test point；
(5) the automatically controlled magnet base energising of laser acquisition target is so as to be in close contact with measured surface；
(6) laser acquisition target measuring laser plane height number, the data recording is transferred directly to embedded system；
(7) laser acquisition target automatically controlled magnet base power-off so as to tested planar separation；
(8) to next test point, repeat step (4)～(7), until complete all default tests for the translation of laser acquisition target
The measurement of point；
(9) guided by motion, laser plane generator and tested planar separation, together with laser acquisition target upwards
Motion, returns to initial position；It is simultaneously embedded in formula system program according to least-square evaluation method, data to be transported accordingly
Calculate and analyze；Eventually through embedded system screen display measurement result or by communications interface transmission to other intelligent terminal
Equipment；
(10) gear being measured is transported to corresponding qualified products or unqualified according to measurement result by test platform
On product conveyer belt.
Claims (4)
1. a kind of automobile gearbox gear side accuracy measuring device, puts down it is characterised in that also including laser including test platform
Face generator, laser acquisition target, the motion being controlled by embedded system, described motion is included inside it equipped with
First, the driver assembly of the second servomechanism and first, second connecting rod, described first connecting rod is connected with described first servomechanism, can
Upper and lower flexible, described second connecting rod is connected with the second servomechanism, upper and lower can stretch or move in parallel；Described laser plane occurs
Device one end is movably connected with described first connecting rod by the first adapter, and the other end is connected with the first automatically controlled magnet base, described sharp
Optical detection target one end is movably connected by the second adapter and second connecting rod, and the other end is connected with the second automatically controlled magnet base；Institute
State laser plane generator to be in close contact with tested plane by the described first automatically controlled magnet base or separate, with described tested plane
Laser plane is produced during contact；Described laser acquisition target be in close contact with tested plane by the described second automatically controlled magnet base or
Separate, with Laser Measurement level numerical value during described tested plane contact.
2. a kind of automobile gearbox gear side accuracy measuring device according to claim 1 is it is characterised in that described swash
Optical detection target is laser position sensors, and its measurement range is 24mm.
3. a kind of automobile gearbox gear side accuracy measuring device according to claim 1 is it is characterised in that described
First, the second adapter is to have resilient flexible jumper.
4. a kind of measuring method for claim 1 described device is it is characterised in that comprise the following steps:
(1) test platform is transported to specified location gear by conveyer belt；
(2) guided by motion, laser plane generator and laser acquisition target are moved down into apart from tested flat by initial position
At 0.5mm above face, enter working condition；
(3) the automatically controlled magnet base of laser plane generator is energized so as to be in close contact with measured surface, and produces laser plane work
For measuring basal plane；
(4) laser acquisition target, under motion guiding, moves in parallel along circular trace, reaches default test point；
(5) the automatically controlled magnet base energising of laser acquisition target is so as to be in close contact with measured surface；
(6) laser acquisition target measuring laser plane height number, the data recording is transferred directly to embedded system；
(7) laser acquisition target automatically controlled magnet base power-off so as to tested planar separation；
(8) to next test point, repeat step (4)～(7), until complete all default test points for the translation of laser acquisition target
Measurement；
(9) guided by motion, laser plane generator and tested planar separation, transport upwards together with laser acquisition target
Dynamic, return to initial position；It is simultaneously embedded in formula system program, according to least-square evaluation method, corresponding computing is carried out to data
And analysis；Set to other intelligent terminal eventually through embedded system screen display measurement result or by communications interface transmission
Standby；
(10) gear being measured is transported to corresponding qualified products or substandard product according to measurement result by test platform
On conveyer belt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410027251.9A CN103776372B (en) | 2014-01-21 | 2014-01-21 | Device and method for measuring side precision of gear of automobile transmission |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410027251.9A CN103776372B (en) | 2014-01-21 | 2014-01-21 | Device and method for measuring side precision of gear of automobile transmission |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103776372A CN103776372A (en) | 2014-05-07 |
| CN103776372B true CN103776372B (en) | 2017-01-18 |
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ID=50568902
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410027251.9A Expired - Fee Related CN103776372B (en) | 2014-01-21 | 2014-01-21 | Device and method for measuring side precision of gear of automobile transmission |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103776372B (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201653345U (en) * | 2010-02-09 | 2010-11-24 | 冠亿精密工业(昆山)有限公司 | Detector for detecting flatness of gear |
| CN102109331A (en) * | 2010-11-30 | 2011-06-29 | 中国科学院光电技术研究所 | Laser planeness detector |
| CN102252637A (en) * | 2011-04-26 | 2011-11-23 | 蓬莱巨涛海洋工程重工有限公司 | Method for detecting flatness of large-scale flange |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000258153A (en) * | 1999-03-10 | 2000-09-22 | Fujikoshi Mach Corp | Plane flatness measurement device |
-
2014
- 2014-01-21 CN CN201410027251.9A patent/CN103776372B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201653345U (en) * | 2010-02-09 | 2010-11-24 | 冠亿精密工业(昆山)有限公司 | Detector for detecting flatness of gear |
| CN102109331A (en) * | 2010-11-30 | 2011-06-29 | 中国科学院光电技术研究所 | Laser planeness detector |
| CN102252637A (en) * | 2011-04-26 | 2011-11-23 | 蓬莱巨涛海洋工程重工有限公司 | Method for detecting flatness of large-scale flange |
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| Publication number | Publication date |
|---|---|
| CN103776372A (en) | 2014-05-07 |
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