CN106289087A - A kind of gear two-sided engages measuring instrument and eliminates the method that master gear used by it introduces error - Google Patents
A kind of gear two-sided engages measuring instrument and eliminates the method that master gear used by it introduces error Download PDFInfo
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- CN106289087A CN106289087A CN201610888031.4A CN201610888031A CN106289087A CN 106289087 A CN106289087 A CN 106289087A CN 201610888031 A CN201610888031 A CN 201610888031A CN 106289087 A CN106289087 A CN 106289087A
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- gear
- conjugation
- slide plate
- master gear
- measuring instrument
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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
- G01B11/14—Measuring arrangements characterised by the use of optical techniques for measuring distance or clearance between spaced objects or spaced apertures
-
- 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
Abstract
A kind of gear two-sided engages measuring instrument and eliminates the method that master gear used by it introduces error, it is intended to improve the certainty of measurement of gear two-sided engagement measuring instrument, this measuring instrument includes base, computer, motor and slide plate, described slide plate is located on base by guide rail, the top of slide plate rotates and is provided with the first locating shaft, the top of slide plate is provided with grating sensor by the first locating shaft, the output shaft of described motor vertically stretches to the top of base and connection has the second locating shaft, described grating sensor connects computer by data collecting card, described computer connects motor by driver；The conjugation demarcation gear that the method is by mean of with master gear ad eundem precision carrys out the error that measurement standard gear itself exists in advance, and profit is computerizedd control and Error processing compensation method uses the deviation of master gear itself to be modified measurement result, obtain the radial direction comprehensive deviation of tested gear accurately, the requirement of precision to master gear own can be reduced simultaneously.
Description
Technical field:
The present invention relates to accuracy of gear field of measuring technique, be specifically related to a kind of gear two-sided engagement measuring instrument and eliminate it
The method that master gear used introduces error.
Background technology:
Along with the lifting of industrial technology level, gear manufacture prescription is improved constantly by drive system.As gear system
Making the gear two-sided engagement method of quality final inspection program, simple with its equipment, measuring speed is fast, comprehensively reflection gear manufacture essence
The advantages such as degree, have obtained increasingly being widely applied in terms of prototype gear radial error.
Use gear two-sided engagement measuring method prototype gear radially comprehensive deviation, produce the master that measurement result dispersibility is big
Wanting reason to be caused by measuring principle, standard specifies, uses the master gear conduct of two accuracy classes higher than tested gear
Reference element engages the variation examining the centre-to-centre spacing between two gears with tested gear.In actual applications, master gear is originally
The foozle of body directly influences measurement result, and owing to phase place changes, engages at tested gear and master gear and measure
During, the change of centre-to-centre spacing, also can along with the change of mesh phase between two gears, radial direction " peak-peak ",
" peak-to-valley ", " paddy-peak ", the change of " valley-valley " and change, more have influence on the concordance of measurement result, actual measured results needs
The radial variations being only intended to reflect tested gear wanted.
In existing mode, can be by the individual event error in geometrical form of direct measurement standard gear, including profile of tooth, teeth directional and tooth
Away from etc., obtain the radial direction comprehensive deviation of master gear further according to the individual event error in geometrical form recorded, finally according to measurement result
Obtain the radial direction comprehensive deviation of master gear thus obtain the radial direction comprehensive deviation of tested gear.But mark measured in the method
The radial direction comprehensive deviation of quasi-gear is master gear meansigma methods of radial missing on limited cross section, it is impossible to complete reflection
Go out master gear radial missing in whole engagement process, therefore be difficult to be inherently eliminated the error that master gear introduces.
As can be seen here, during with gear two-sided engagement measuring method prototype gear radially comprehensive deviation, certainty of measurement is affected
Principal element has two: one to be the certainty of measurement that gear two-sided used engages measuring instrument, traditional gear two-sided engagement measuring instrument
Relatively simple, measure chain short；Two is structure and the precision of master gear used, and this point is particularly important, though gear
Two-sided engagement measuring instrument has higher certainty of measurement, if the precision of master gear used itself is relatively low, also can reduce final
Certainty of measurement, therefore, existing mode can only by improve master gear itself the accuracy of manufacture guarantee to nibble with gear two-sided
Close measurement method and carry out the precision of gear radial error measurement, but the manufacturing cost of high-precision master gear is the highest, and
Both at home and abroad about the unified standard that is designed without of master gear, only some gear industries compare the design principle of approval, than
As, gear two-sided engagement measurement requirement master gear two accuracy classes higher than tested gear；Require that the master gear facewidth is more than
Tested gear tooth width；The master gear number of teeth more than tested gear etc., this resulted in master gear cost increase, kind numerous
The problems such as many, instrument utilization rate is the highest, waste is serious.
Summary of the invention:
In order to improve the certainty of measurement of gear two-sided engagement measuring instrument, the invention provides a kind of gear two-sided engagement and measure
Instrument and eliminate the method that master gear used by it introduces error, this measuring instrument has higher certainty of measurement, and the method uses double
Engagement measuring principle, revises the error that master gear itself exists in advance, and profit is computerizedd control and Error processing compensation method
Measurement result is modified.
The gear two-sided engagement measuring instrument of the present invention, the technical scheme of employing is: include that base, computer, grating pass
Sensor, motor and slide plate, described slide plate is located on base by guide rail, and the top of slide plate rotates and is provided with the first locating shaft, slide plate
Top by the first locating shaft, be provided with grating sensor, the output shaft of described motor vertically stretches to the top of base and connection has
Second locating shaft, described grating sensor connects computer by data collecting card, and described computer connects electricity by driver
Machine.
Outside the second locating shaft, it is arranged with positioning seat on described base, is provided with between described positioning seat and slide plate and is connected bullet
Spring.
The present invention eliminates the method that gear two-sided engagement measuring instrument Plays gear introduces error, the technical scheme of employing
It is to be made up of following steps:
One, each teeth groove of master gear used is marked with Arabic numerals the most successively；
Two, the selected conjugation demarcation gear with master gear with equal accuracy grade, chooses conjugation and demarcates in gear
A certain tooth is as specific tooth；
Three, master gear and conjugation being demarcated gear to be installed on gear two-sided engagement measuring instrument, master gear is installed to
On first locating shaft of slide plate, conjugation is demarcated gear and is installed on second locating shaft of output shaft connection of motor, allows conjugation mark
Specific tooth in fixed gear is meshed with first teeth groove in master gear；
Four, master gear turns over an angular pitch according to the rotation direction set under conjugation demarcates the driving of gear, this
Time gear two-sided engagement measuring instrument in the centre-to-centre spacing change that grating sensor reads master gear and conjugation is demarcated between gear
Amount, and sent data to computer by data acquisition；
Five, driving master gear to move by the slide plate in gear two-sided engagement measuring instrument makes itself and conjugation demarcation gear divide
From, demarcate gear by driven by motor conjugation afterwards and reversely go to initial position, then moved by slide plate drive master gear and make
Second teeth groove thereon engages with specific tooth；
Six, repeat aforesaid operations step, until master gear rotate one week make all teeth groove thereon the most one by one with spy
Determine tooth to be engaged；
Seven, take off conjugation and demarcate gear, tested gear is installed on output shaft second locating shaft of motor, makes full-height tooth
Wheel and tested gear are engaged transmission, read the centre-to-centre spacing between master gear and tested gear now by grating sensor
Variable quantity, and sent data to computer by data collecting card；
Eight, the data that the data measured in step 7 are measured with step 1 to step 6 are overlapped by computer, obtain
The radial direction comprehensive deviation value of tested gear.
The invention has the beneficial effects as follows: the operation principle that the present invention engages from gear two-sided, it is proposed that a kind of gear
Two-sided engagement measuring instrument and eliminate the method that master gear used by it introduces error, this measuring instrument has higher certainty of measurement,
The method is demarcated gear by means of the conjugation with master gear ad eundem precision and is carried out the mistake that measurement standard gear itself exists in advance
Difference, and profit is computerizedd control and Error processing compensation method uses the deviation of master gear itself to repair measurement result
Just, the radial direction comprehensive deviation of tested gear is obtained accurately.
The survey of the radial composite error of tested gear is directly influenced due to the design of master gear itself, the number of teeth, precision
Amount result, the different weight more influencing whether measurement result, i.e. measurement result of phase place that master gear is measured from the engagement of tested gear
Multiple error (showing variable error) is very big, and therefore, this method can reduce the requirement of precision to master gear own, improves and measures
The concordance of result, it is possible to decrease the cost of gear measurement, promotes the accuracy of manufacture of gear, meets industrial demand；Solve
The problem that gear two-sided engagement measurement result dispersibility is big, makes the radial composite error control within 3um；For determining that gear is double
Face meshing device precision grade provides reliable foundation；According to measurement result accurately by tested gear according to same tolerance range
Transverse tooth thickness (or the parameter such as M, distance over bar) is grouped, the gear composition gear drive group in same tolerance range, it is ensured that gear
The backlash values of engagement, improves gear-driven stationarity.
Accompanying drawing illustrates:
Fig. 1 is the structural representation of gear two-sided engagement measuring instrument；
Fig. 2 is tested gear radially comprehensive deviation curve chart, F ' in figurerRepresent circular runout, F 'iRepresent the most comprehensive inclined
Difference, f 'iRepresent a tooth radially comprehensive deviation；
Fig. 3 is that No. 1 teeth groove of master gear demarcates, with conjugation, the schematic diagram that the specific tooth of gear is meshed；
Fig. 4 is the schematic diagram that master gear turns over an angular pitch；
Fig. 5 is that schematic diagram when gear separates demarcated by master gear with conjugation.
Detailed description of the invention:
With reference to Fig. 1, the gear two-sided engagement measuring instrument of the present invention, including base 1, computer 2, grating sensor 3, motor
4 and slide plate 5, described slide plate 5 is located on base 1 by guide rail 6, and the top of slide plate 5 rotates and is provided with the first locating shaft 7, slide plate 5
Top is provided with grating sensor 3 in the first locating shaft 7 side, and the output shaft of described motor 4 vertically stretches to the top of base 1 and connects
Having the second locating shaft 12, described grating sensor 3 connects computer 2 by data collecting card 8, and described computer 2 is by driving
Device 9 connects motor 4.Outside the second locating shaft 12, be arranged with positioning seat 10 on described base 1, described positioning seat 10 and slide plate 5 it
Between be provided with connection spring 11.
This measuring instrument detects the centre-to-centre spacing between two gears, by skill computer 2 by accurate grating sensor 3
Reason measurement data, and the engaged transmission of two gears is automatically driven by motor, compared to traditional Gear Double Contact Detection Meter,
Its integral level has had the lifting of matter.
Described gear two-sided engagement method principle be on the basis of tested gear axis of rotation, with radial pull spring make by
Surveying gear and the full-height tooth crop rotation two-sided engaged transmission without sideshake, double deviations of nibbling of tested gear are converted into the continuous change of centre-to-centre spacing
The dynamic radially comprehensive deviation curve that is recorded as, as shown in Figure 2.During gear two-sided engagement is measured, curve of error reflection is to measure tooth
Take turns the error with tested gear and instrument and superpose the result of combined influence in radial direction.In Fig. 2, double nibble measurement result curve f (t)
Can be expressed as: f (t)=R (t)+S (t)+δ (t), in formula, t represents the measurement time；R (t) represents the periodicity system of tested gear
System error；S (t) represents the periodic system error of mark wheel gear；δ (t) represents transient system error.
Utilizing the gear two-sided theory of engagement to measure, need to obtain is the radial error of tested gear, if can reduce
Or eliminate the master gear impact on measurement result, then can significantly improve the concordance of measurement result.Therefore, the present invention is from gear
The operation principle of two-sided engagement is set out, it is proposed that a kind of gear two-sided engagement measuring instrument Plays gear that eliminates introduces the side of error
Method, this method engages on measuring instrument at the gear two-sided of computer numerical control (CNC), uses and the same precision of master gear to be calibrated
The conjugation of grade is demarcated the specific tooth of gear and is engaged.Each tooth of master gear to be calibrated only with it with accuracy class
Conjugation is demarcated the specific tooth of gear and is engaged transmission, when, after the demarcation completing some gear teeth, two are out of gear, and conjugation mark
Fixed gear returns to initial position, and each gear motion making two gears is all to disengage, until obtaining complete cycle into tooth engagement
The error amount of the gear teeth to be calibrated, complete the demarcation to gear to be calibrated.
With reference to Fig. 3 to Fig. 5, this method is specifically made up of following steps:
One, each teeth groove of master gear used is marked with Arabic numerals the most successively；
Two, the selected conjugation demarcation gear with master gear with equal accuracy grade, chooses conjugation and demarcates in gear
A certain tooth is as specific tooth, (as long as each tooth of master gear is demarcated in gear with being conjugated of selected equal accuracy grade
A certain tooth does gear motion, so specific tooth is the conjugation tooth of each tooth and its equal accuracy grade emphasizing master gear
The same tooth of wheel does gear motion)；
Three, master gear and conjugation being demarcated gear to be installed on gear two-sided engagement measuring instrument, master gear is installed to
On first locating shaft 7 of slide plate 5, conjugation is demarcated gear and is installed on second locating shaft 12 of output shaft connection of motor 4, allows altogether
The specific tooth that yoke is demarcated in gear is meshed with first teeth groove in master gear；
Four, master gear turns over an angular pitch according to the rotation direction set under conjugation demarcates the driving of gear, this
Time gear two-sided engagement measuring instrument in the centre-to-centre spacing change that grating sensor 3 reads master gear and conjugation is demarcated between gear
Amount, and sent data to computer 2 by data collecting card 8；
Five, driving master gear to move by the slide plate 5 in gear two-sided engagement measuring instrument makes it demarcate gear with conjugation
Separate, drive conjugation to demarcate gear by motor 4 afterwards and reversely go to initial position, then drive master gear to move by slide plate 5
Moving makes second teeth groove thereon engage with specific tooth；
Six, repeat aforesaid operations step, until master gear rotate one week make all teeth groove thereon the most one by one with spy
Determine tooth to be engaged；
Seven, take off conjugation and demarcate gear, tested gear is installed on output shaft second locating shaft 12 of motor, makes standard
Gear and tested gear are engaged transmission, in reading between master gear and tested gear now by grating sensor 3
The heart is away from variable quantity, and is sent data to computer 2 by data collecting card 8；
Eight, the data that the data measured in step 7 are measured with step one to step 6 are overlapped by computer 2,
Obtaining the radial direction comprehensive deviation value of tested gear, the curve that final measurement is formed is the radial direction comprehensive deviation of tested gear
Curve.
Claims (3)
1. gear two-sided engagement measuring instrument, it is characterised in that: include base (1), computer (2), grating sensor (3),
Motor (4) and slide plate (5), described slide plate (5) is located on base (1) by guide rail (6), and the top of slide plate (5) rotates and is provided with the
One locating shaft (7), the top of slide plate (5) is provided with grating sensor (3), the output of described motor (4) in the first locating shaft (7) side
Axle vertically stretch to base (1) top and connect have the second locating shaft (12), described grating sensor (3) to pass through data collecting card
(8) connecting computer (2), described computer (2) connects motor (4) by driver (9).
2. a kind of gear two-sided engagement measuring instrument as claimed in claim 1, it is characterised in that: in second on described base (1)
It is arranged with positioning seat (10) outside locating shaft (12), is provided with between described positioning seat (10) with slide plate (5) and is connected spring (11).
3. one kind eliminates the method that gear two-sided engagement measuring instrument Plays gear introduces error, it is characterised in that by following steps
Constitute:
One, each teeth groove of master gear used is marked with Arabic numerals the most successively；
Two, the selected conjugation with master gear with equal accuracy grade demarcates gear, and that chooses that conjugation demarcates in gear is a certain
Tooth is as specific tooth；
Three, master gear and conjugation being demarcated gear to be installed on gear two-sided engagement measuring instrument, master gear is installed to slide plate
(5), on the first locating shaft (7), conjugation is demarcated gear and is installed on second locating shaft (12) of output shaft connection of motor (4),
The specific tooth allowing conjugation demarcate in gear is meshed with first teeth groove in master gear；
Four, master gear turns over angular pitch, now a tooth according to the rotation direction set under conjugation demarcates the driving of gear
Take turns the grating sensor (3) in two-sided engagement measuring instrument and read the centre-to-centre spacing change between master gear and conjugation demarcation gear
Amount, and sent data to computer (2) by data collecting card (8)；
Five, driving master gear to move by the slide plate (5) in gear two-sided engagement measuring instrument makes itself and conjugation demarcation gear divide
From, drive conjugation to demarcate gear by motor (4) afterwards and reversely go to initial position, then drive master gear by slide plate (5)
Moving makes second teeth groove thereon engage with specific tooth；
Six, repeat aforesaid operations step, until master gear rotate one week make all teeth groove thereon the most one by one with specific tooth
It is engaged；
Seven, take off conjugation and demarcate gear, tested gear is installed on the output shaft the second locating shaft (12) of motor, makes full-height tooth
Wheel and tested gear are engaged transmission, in reading between master gear and tested gear now by grating sensor (3)
The heart is away from variable quantity, and is sent data to computer (2) by data collecting card (8)；
Eight, computer (2) is by step 7) in data and the step 1 measured) to step 6) and in measured data be overlapped, must
Radial direction comprehensive deviation value to tested gear.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610888031.4A CN106289087B (en) | 2016-10-12 | 2016-10-12 | A method of it eliminating gear two-sided engagement measuring instrument Plays gear and introduces error |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610888031.4A CN106289087B (en) | 2016-10-12 | 2016-10-12 | A method of it eliminating gear two-sided engagement measuring instrument Plays gear and introduces error |
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| CN106289087A true CN106289087A (en) | 2017-01-04 |
| CN106289087B CN106289087B (en) | 2018-11-20 |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108394074A (en) * | 2017-12-29 | 2018-08-14 | 大连銮艺精密模塑制造有限公司 | The radial method of adjustment for integrating total deviation with a tooth footpath to comprehensive deviation of plastic gear |
| CN109029981A (en) * | 2018-08-08 | 2018-12-18 | 深圳市兆威机电股份有限公司 | The two-sided engagement measuring device and measuring method of internal gear |
| CN109470125A (en) * | 2018-11-30 | 2019-03-15 | 北方民族大学 | One kind being based on two-sided meshed gears method for fast measuring and system |
| CN109470126A (en) * | 2018-12-04 | 2019-03-15 | 北方民族大学 | One kind being based on two-sided meshed gears measuring system |
| CN112857794A (en) * | 2021-03-11 | 2021-05-28 | 苏州普瑞川传动科技有限公司 | Quick detection device of gear error |
| CN113607072A (en) * | 2021-08-13 | 2021-11-05 | 中国科学院新疆天文台 | Backlash error calibration mechanism and method for large antenna scaling platform transmission system |
| CN113740058A (en) * | 2021-09-29 | 2021-12-03 | 伯朗特机器人股份有限公司 | Gear double-face meshing detection method |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108394074A (en) * | 2017-12-29 | 2018-08-14 | 大连銮艺精密模塑制造有限公司 | The radial method of adjustment for integrating total deviation with a tooth footpath to comprehensive deviation of plastic gear |
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| CN112857794A (en) * | 2021-03-11 | 2021-05-28 | 苏州普瑞川传动科技有限公司 | Quick detection device of gear error |
| CN113607072A (en) * | 2021-08-13 | 2021-11-05 | 中国科学院新疆天文台 | Backlash error calibration mechanism and method for large antenna scaling platform transmission system |
| CN113607072B (en) * | 2021-08-13 | 2024-03-15 | 中国科学院新疆天文台 | Large antenna scaling platform transmission system backlash error calibration mechanism and calibration method |
| CN113740058A (en) * | 2021-09-29 | 2021-12-03 | 伯朗特机器人股份有限公司 | Gear double-face meshing detection method |
| CN113740058B (en) * | 2021-09-29 | 2023-11-28 | 伯朗特机器人股份有限公司 | Gear double-sided meshing detection method |
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| CN106289087B (en) | 2018-11-20 |
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