CN105509620B - The poor special detection device of 120 ° of indexing of star-wheel raceway and detection method in concertina type Rzeppa constant velocity joint - Google Patents
The poor special detection device of 120 ° of indexing of star-wheel raceway and detection method in concertina type Rzeppa constant velocity joint Download PDFInfo
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- CN105509620B CN105509620B CN201610073970.3A CN201610073970A CN105509620B CN 105509620 B CN105509620 B CN 105509620B CN 201610073970 A CN201610073970 A CN 201610073970A CN 105509620 B CN105509620 B CN 105509620B
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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
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/24—Measuring arrangements characterised by the use of mechanical techniques for measuring angles or tapers; for testing the alignment of axes
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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
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/0025—Measuring of vehicle parts
Abstract
The invention belongs to be machined detection special tooling design field, disclose 120 ° of poor special detection devices of indexing of star-wheel raceway in a kind of concertina type Rzeppa constant velocity joint, including interior spider member, stationary balls part and movable steel ball part, one cylindrical end tangs is set above interior spider member, stationary balls part and movable steel ball part are in 120 ° of settings, the stationary balls of stationary balls part and the raceway of interior star-wheel coordinate, movable axis is set in the axle bed of movable steel ball part, the front end setting activity steel ball of movable axis, movable axis by a thrust mechanism by movable steel ball best fit in the corresponding raceway of interior star-wheel, dial gauge on movable axis shows measured value.The invention also discloses above-mentioned indexing difference Cleaning Principle and method.The three-coordinate instrument in laboratory is innovatively changed to the special inspection frock of production scene by the present invention, and measurement and determination methods are simple, and detection speed is fast, low to testing staff's skill set requirements.
Description
Technical field
The invention belongs to be machined detection special tooling design field, particularly concertina type Rzeppa constant velocity is universal
The poor special detection device of 120 ° of indexing of star-wheel raceway and detection method in section.
Background technology
Referring to accompanying drawing 1, concertina type Rzeppa constant velocity（Also referred to as VL types）The inner race 104 of universal joint（Also referred to as interior star-wheel）Within
Spline is connected with driving shaft 105, and its outer surface has six cylinder grooves to form interior raceway, and the inner surface of cylindrical outer casing 101 has
Corresponding six cylinder grooves form outer raceway.These track centre lines not with diameter parallel, but with identical angle phase
For axis tilt, and on Same Part adjacent two raceways incline direction on the contrary, i.e. V-shaped.After dress closes, same circumference
The incline direction of the inside and outside raceway of opening position is just on the contrary, i.e. symmetrical chiasma, and 6 steel balls 103 are then in the friendship of inside and outside raceway
Fork position, and it is allowed to be maintained at the dividing equally on face of the between centers angle of cut by cage 102, to ensure that universal joint makees constant velocity tramsmission.Power
Exported by driving shaft 105 through interior star-wheel 104, steel ball 103 and cylindrical outer casing 101.During torque is transmitted, the interior He of star-wheel 104
Cylindrical outer casing 101 realized by steel ball 103 along inside and outside rolling path rolling it is axially opposing move, save other universal driving devices
In the free-sliding spline that must have, this not only simplifies structure, and compared with free-sliding spline, its rolling resistance is small, transmission efficiency.
Referring to accompanying drawing 2-6, the outer surface of interior star-wheel has six cylinder grooves to form outer raceway, and track centre line is with identical
Angle tilted relative to axis, and adjacent two raceways incline direction on the contrary, on the section arbitrarily perpendicular to axis phase
Angle every two raceway centers and the line of centres of circle is 120 ° all the time.Six raceways are uniform only on System planes B-B
, the assembly relation of the System planes existence anduniquess of System planes B-B and cylindrical outer casing and cage is to ensure that both ends angular speed becomes
Change uniformly, it is virtual plane, and relative size is unable to direct measurement；Two measurement lines of 120 ° of deciles are also virtual simultaneously
Center line, also can not direct measurement its angle value.
Measure and evaluate usually using three-coordinates measuring machine in the prior art, three-coordinates measuring machine is measured by working out
Program gathers the respective point of product, and the software of its own can simulate and calculate final result, and measurement accuracy is high.But equipment valency
Lattice are expensive；To environment（Epidemic disaster）It is it is required that higher；Need special messenger to program, high are required to operating personnel；Detection time is grown, Wu Fashi
Quick measurement application for production on-site environment.
The content of the invention
The invention aims to solve above-mentioned technical problem, there is provided the concertina type Rzeppa constant velocity for production scene
The poor special detection device of 120 ° of indexing of star-wheel raceway and detection method in universal joint, detection is simple to operate, directly perceived effective.
The present invention adopts the technical scheme that：
120 ° of poor special detection devices of indexing of star-wheel raceway in concertina type Rzeppa constant velocity joint, it is characterized in that, including
Interior spider member, stationary balls part and movable steel ball part, the interior spider member are fixed on support, the interior star-wheel portion
One cylindrical end tangs is set above part, the interior star-wheel, the stationary balls part are set on the upper surface of the cylindrical end tangs
It is in 120 ° of sides for being arranged on the interior spider member with movable steel ball part, the stationary balls part is fixedly installed on described
On support, the front end of the stationary balls part sets stationary balls, and the stationary balls and the raceway of interior star-wheel coordinate, described
Movable steel ball part includes the axle bed of fixed setting on the bracket, and movable axis, the movable axis are set in the axle bed
Front end setting activity steel ball, the movable axis is by a thrust mechanism by the movable steel ball best fit in interior star-wheel
In corresponding raceway, dial gauge is set on the movable axis, the dial gauge measures six of interior 120 ° of indexing differences of star-wheel raceway
Data, the mutual difference of these data is exactly interior star-wheel 120 ° of error of division values of raceway.
Further, the movable steel ball part includes the key seat being fixedly installed on the axle bed, passes through in the key seat
Compression spring, which is set, to be promoted, and sets rotatable handles by bearing pin on the axle bed below the movable axis, the handle passes through
The through hole opened up on the movable axis, the front end of the distribution are pushed against the upper part of the handle, when the handle is free
When, it is described to promote because elastic force promotes the handle so that the inside star-wheel direction movement of movable axis, movable steel ball is optimal
Coordinate in the corresponding raceway of interior star-wheel, when the handle pushes the distribution direction to, the spring-compressed of the distribution is described
The movable axis drive movable steel ball leaves the raceway of interior star-wheel.
Further, the stationary balls part includes the fixing axle being arranged in fixed plate, the rear end of the fixing axle
Fine setting screw thread is set to be used to adjust the fixing axle.
Further, kidney slot is opened up on the stationary balls part and movable steel ball part, can by the kidney slot
To adjust and fix the position of the stationary balls part and movable steel ball part on the bracket.
Further, the cylindrical end tangs are tungsten steel block, and bocca, the bocca and institute are set in the cylindrical end tangs
The endoporus for stating interior star-wheel matches.
Further, the stationary balls and the height of movable steel ball are equal.
Further, the height between the upper surface of the cylindrical end tangs and the centre of sphere of the stationary balls and movable steel ball is equal
For the System planes height of interior star-wheel.
Carried out using 120 ° of poor special detection devices of indexing of star-wheel raceway in above-mentioned concertina type Rzeppa constant velocity joint
The method of detection, it is characterized in that, comprise the following steps：
（1）Interior star-wheel to be detected is arranged in cylindrical end tangs；
（2）Stationary balls part and movable steel ball part is rack-mount, make the fixing axle of stationary balls part with
The movable axis angle of movable steel ball part is in 120 °；
（3）Adjustment stationary balls part coordinates stationary balls and the raceway of interior star-wheel；
（4）The movable axis for making movable steel ball part is in free state, and adjusting movable steel ball part makes movable steel ball optimal
Coordinate in corresponding raceway；
（5）Dial gauge is adjusted, the numerical value of dial gauge is arranged to predetermined value；
（6）Thrust mechanism is driven, movable steel ball is departed from place raceway；
（7）Star-wheel and 120 ° are rotated in taking-up, repeat the（3）The（4）Step, read the value of dial gauge；
（8）Repeat the（6）The（7）Step, measures 5 percentage meter readings；
（9）The difference that 5 dial gauge numerical values and predetermined value are compared to each other, it is exactly interior 120 ° of errors of division of star-wheel raceway.
Further, the predetermined value is 0.
Further, the step of in addition to judging the error of division value, when the error of division is less than six rollings in System planes
At 0.004 times of the radius of circle that the road center of circle is formed, described interior 120 ° of errors of division of star-wheel raceway are qualified, otherwise to be unqualified.
The beneficial effects of the invention are as follows：
（1）Measurement and determination methods are simple, and detection speed is fast, low to testing staff's skill set requirements.
（2）Simple in construction, firm and durable is low to environmental requirement；
（3）The tungsten steel block of different-thickness and the steel ball of different-diameter are changed, fixed plate and activity are adjusted using kidney slot
The position of axle bed, the interior star-wheel of measurable multi-specification, significantly reduces manufacturing cost；
（4）Accuracy of detection error is 1 ', examines product qualification rate reaching 100%, can meet wanting for auto parts production in enormous quantities
Ask.
Brief description of the drawings
Accompanying drawing 1 is concertina type ball-and-cage constant velocity joint structural representation；
Accompanying drawing 2 is the structure schematic top plan view of interior star-wheel；
Accompanying drawing 3 is A-A sectional views in accompanying drawing 2；
Accompanying drawing 4 is B-B sectional views in accompanying drawing 3；
Accompanying drawing 5 be in accompanying drawing 4 C to revolved view；
Accompanying drawing 6 is the dimensional structure diagram of interior star-wheel；
Accompanying drawing 7 is interior star-wheel error of division Cleaning Principle schematic diagram；
Accompanying drawing 8 is the schematic top plan view of the special detection device of the present invention；
Accompanying drawing 9 is the schematic side view of the special detection device of the present invention；
Accompanying drawing 10 is the dimensional structure diagram of the special detection device of the present invention.
Mark in accompanying drawing is respectively：
1. foot-screw；2. round nut；
3. support；4. adjusting washer；
5. reference axis；6. screw；
7. orient block；8. fixed plate；
9. steel ball；10. movable axis；
11. movable axle bed；12. handle；
13. promote；14. compression spring；
15. key seat；16. screw；
17. nut；18. plain washer；
19. gage button arm；20. screw；
21. dive key；22. bearing pin；
23. tungsten steel block；24. screw；
25. fixing axle；26. compression spring；
27. adjusting nut；28. round nut；
29. shaft block ring；30. screw；
31. screw；32. gage button；
33. dial gauge；34. bocca；
101. cylindrical outer casing；102. cage；
103. steel ball；104. inner race；
105. driving shaft.
Embodiment
It is special to 120 ° of indexing differences of star-wheel raceway in concertina type ball-and-cage constant velocity joint of the present invention below in conjunction with the accompanying drawings
The embodiment of detection means and detection method elaborates.
Referring to accompanying drawing 2 to 7, because interior six raceways of star-wheel are only uniform, System planes B-B on System planes B-B
On be separated by two raceway centers in the same direction with circle the line of centres angle ∠ AOB be 120 °, angle deviating requirement be ± 12 ', Fig. 7
In, OC and OD represent to deviate positive 12 ' and the minus 12 ' line of centres respectively.Centered on A points, rotation AC and trunnion axis X meets at C1
Point, rotation AD hand over X-axis to be converted into the difference C1D1 of horizontal range in D1 points, then angular deviation ± 12 '.
The difference C1D1 of horizontal range principle is converted into according to above-mentioned angular deviation ± 12 ', calculates final result such as
Under：Because point C1 and D1 are using A points as the center of circle, rotation AC and AD intersects at trunnion axis X intersection point, then from point C1 and D1 respectively to
The horizontal line for crossing A points obtains intersection point C2 and D2 as vertical line, then C1D1=C2D2=AD2-AC2.
In right angled triangle AC1C2, AC2=;
In isosceles triangle ACC1, AC=AC1；
In isosceles triangle AOC, ∠ OAC==30+;
AC=2*OAcos ∠ OAC=2Rcos (30+) (OA is radius R）;
Intersection point C3 and C4 are obtained as vertical line to the horizontal line and trunnion axis X for crossing A points respectively from C points, then
C1C2=CC4+CC3；
In right angled triangle COC4, (OC is radius R to CC4=OCsin θ=Rsin θ）;
∠CAC3=∠OAC3-∠OAC =(180-120)- (30+)=30-;
In right angled triangle CAC3, CC3=ACsin ∠ CAC3=2Rcos (30+)sin(30-);
Then AC2=;
Similarly AD2=；
C1D1=0.004R will be obtained after 0.2 ° of substitution of θ=12'=.
According to above-mentioned theory, index poor special detection device and one stationary balls part, a movable steel ball part are set
With interior spider member, it is placed on support.The axis of movable steel ball part is horizontal direction, the axis of stationary balls part with
Horizontal direction angle is 120 °, and the axis of interior spider member is located at above-mentioned two axial lines intersection point O.
Interior spider member, through the intermediate throughholes in adjusting washer and support, is fixed on support by reference axis with nut；
Cylindrical end tangs are set on reference axis, wear-resisting tungsten steel block is specially laid in the groove of reference axis upper end as cylindrical end tangs, post
The upper surface of shape boss is used to place interior star-wheel.The also settable bocca on the upper surface of cylindrical end tangs, for interior star-wheel
Endoporus matching, internal star-wheel realizes Primary Location.
Stationary balls part is fixed by screws on support by fixed plate, and compression spring pierces into fixation on fixed hub
The intermediate throughholes of axle bed, one end is with being threadedly coupled stationary balls, the other end adjusting nut being connected with fixed plate screw thread
Fastening, then with nut secured adjusted nut；Orientation block is screwed in the steel ball side of fixed plate.
Movable steel ball part is in the bottom of movable axle bed one dive key of mode connects for screw, then by movable axle bed spiral shell
Nail is fixed on support, and dial gauge is screwed on movable axle bed.Movable axis pierces into the intermediate throughholes of movable axle bed, with work
Dynamic steel ball is connected with screw thread；The other end puts gage button arm, is fastened after cushioning circle with nut；Middle through-hole and middle handle it is spherical
Gap coordinates.The bottom of handle coordinates with bearing pin gap, and pin shaft block ring is fixed on movable axle bed；Top, which is pushed, to be held out against.Push away
Pin is placed in key seat interstitial hole, is connected with compression spring, and be screwed in the intermediate throughholes of key seat；Key seat screw
It is fixed on movable axle bed.The parts such as key seat, handle and distribution form thrust mechanism.
The centre of sphere of stationary balls and movable steel ball and the distance of the upper surface of tungsten steel block in interior spider member are interior star-wheel
System planes B-B height, handle are moved left and right, and the gauge head of dial gauge is contacted to movable steel ball with the gage button on gage button arm
Centre of sphere horizontal displacement measures.
Referring to accompanying drawing 8-10, the bottom raised line of fixed plate 8 of stationary balls part is correspondingly positioned over the kidney slot of support 3
In, it is fixed on screw 24 on support 3, support 3 is fixed on workbench by four foot-screws 1；Fixing axle 25 is put
Compression spring 26, pierces into the intermediate throughholes of fixed plate 8, and the shank threads of steel ball 9 are connected with screwed hole in fixing axle 25；Orientation
Block 7 is fixed on the steel ball side of fixed plate 8 with screw 6；Adjusting nut 27 is connected to position fixing axle with the screw thread of fixed plate 8
25, and fastened by round nut 28.
The bottom of the movable axle bed 11 of the movable steel ball part fixed guide flat key 21 of screw 20, is directed to the correspondence of flat key 21
It is positioned in the kidney slot of support 3, with the movable axle bed 11 of the fixation of screw 24 on support 3；Movable axis 10 pierces into movable axle bed 11
Intermediate throughholes, be connected with the shank threads of steel ball 9；After gage button 32 is connected with the screw thread of gage button arm 19, it is enclosed on movable axis 10, uses
Plain washer 18 and nut 17 fasten；Dial gauge 33 is fixed on movable axis 10 by screw 31.The intermediate throughholes of movable axis 10 with
The central spherical gap of handle 12 coordinates；Bearing pin 22 passes through the end intermediate throughholes of handle 12, is placed on the both sides of movable axle bed 11
In the through hole of plate, and locked with shaft block ring 29；Promote 13 and push against handle 12, and be connected with compression spring 14, it is solid with screw 16
It is scheduled in the intermediate throughholes of key seat 15；Key seat 15 is fastened on movable axle bed 11 with screw 30.
The reference axis 5 of interior spider member is fixed on support through adjusting washer 4 and the intermediate throughholes of support 3 with round nut 2
On 3；Tungsten steel block 23 is placed in the corresponding recesses of reference axis 5, and tungsten steel block upper surface to the centre of sphere distance of steel ball 9 is after grinding
The System planes height h of interior star-wheel.Bocca 34 is additionally provided with the upper surface of tungsten steel block 23, bocca 34 is used at the beginning of interior star-wheel
Step positioning, gap coordinates between bocca 34 and the endoporus of interior star-wheel.
During measurement, driving handle 12 is moved to right along level, and handle 12 is rotated with bearing pin 22 for fulcrum, forces distribution 13 to retreat pressure
Tight spring 14, the central spherical of handle 12 promote movable axis 10 to move to right, and the steel ball 9 being connected with movable axis 10 also moves to right therewith；Will be by
Star-wheel is enclosed on bocca 34 in survey, is placed on the upper surface of tungsten steel block 23, and a raceway is adjacent to the steel ball 9 in fixed plate 8；
Release handle 12, spring 14, which resets, promotes distribution 13 to move to left, and forces handle 12 to be moved to left around the rotation of bearing pin 22, the activity being attached thereto
Axle 10 and steel ball 9 move to left, and push up another raceway of inside star-wheel, and interior star-wheel is forced to rotate, so that another raceway and movable end steel ball 9
It is in close contact, now dial gauge 33 just obtains a numerical value and is arranged to zero；Handle 12 is moved to right, the steel ball 9 being attached thereto moves to right, pine
Open interior star-wheel.Similarly measure another five readings, the one-shot measurement process of star-wheel, the mutual difference of these numerical value should be less than in completion
0.004R。
The detection process step of the present invention is as follows：
（1）Interior star-wheel to be detected is arranged in cylindrical end tangs；
（2）Stationary balls part and movable steel ball part is rack-mount, make the fixing axle of stationary balls part with
The movable axis angle of movable steel ball part is in 120 °；
（3）Adjustment stationary balls part coordinates stationary balls and the raceway of interior star-wheel；
（4）The movable axis for making movable steel ball part is in free state, and adjusting movable steel ball part coordinates movable steel ball
In corresponding raceway；
（5）Dial gauge is adjusted, the numerical value of dial gauge is arranged to predetermined value, predetermined value is set to 0；
（6）Thrust mechanism is driven, movable steel ball is departed from place raceway；
（7）Star-wheel and 120 ° are rotated in taking-up, repeat the（3）The（4）Step, read the value of dial gauge；
（8）Repeat the（6）The（7）Step, measures 5 percentage meter readings；
（9）The difference that 5 dial gauge numerical values and predetermined value are compared to each other, it is exactly interior 120 ° of errors of division of star-wheel raceway.
（10）When the error of division is less than 0.004 times of the radius of circle that six raceway centers of circle are formed in System planes, institute
It is qualified to state interior 120 ° of errors of division of star-wheel raceway, otherwise to be unqualified.
In order to reach the expection technique effect of the present invention, the present apparatus need to be examined in strict accordance with the detection acceptance criteria of amount instrument
Survey and identify.Drawing requirement is first depending on, checks whether each transmission parts are flexible；Secondly with star-wheel in three-coordinate instrument measurement standard
Exemplar, then the exemplar is detected with above-mentioned special detection device, by the corresponding comparison of two groups of data, whether its error amount is in controlled range
It is interior, in this way, provide correction value of the numerical value as measuring basis；Finally need to carry out the repeatability of special detection device and reproduce
Property（GR ＆ R）Analysis, analysis result meet the requirements, and demonstrate its correctness.
Described above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
Member, under the premise without departing from the principles of the invention, can also make some improvements and modifications, these improvements and modifications also should be regarded as
Protection scope of the present invention.
Claims (10)
- A kind of 1. 120 ° of poor special detection devices of indexing of star-wheel raceway in concertina type Rzeppa constant velocity joint, it is characterised in that： Including interior spider member, stationary balls part and movable steel ball part, the interior spider member is fixed on support, the interior star One cylindrical end tangs is set above wheel component, the interior star-wheel, the stationary balls are set on the upper surface of the cylindrical end tangs Part and movable steel ball part are in 120 ° of sides for being arranged on the interior spider member, and the stationary balls part is fixedly installed on On the support, the front end of the stationary balls part sets stationary balls, and the stationary balls and the raceway of interior star-wheel coordinate, The movable steel ball part includes the axle bed of fixed setting on the bracket, and movable axis, the work are set in the axle bed The front end setting activity steel ball of moving axis, the movable axis is by a thrust mechanism by the movable steel ball best fit in interior star In the corresponding raceway of wheel, dial gauge is set on the movable axis, the dial gauge measures interior 120 ° of indexing differences of star-wheel raceway Six data, the mutual difference of these data is exactly interior 120 ° of indexing differences of star-wheel raceway.
- 2. the poor dedicated test dress of 120 ° of indexing of star-wheel raceway in concertina type Rzeppa constant velocity joint according to claim 1 Put, it is characterised in that：The movable steel ball part includes the key seat being fixedly installed on the axle bed, passes through pressure in the key seat Power spring, which is set, to be promoted, and sets rotatable handles by bearing pin on the axle bed below the movable axis, the handle passes through institute The through hole opened up on movable axis is stated, the front end of the distribution is pushed against the upper part of the handle, when the handle is free, It is described to promote because elastic force promotes the handle so that the inside star-wheel direction movement of movable axis, by the movable steel ball most Good cooperation is in the corresponding raceway of interior star-wheel, when the handle pushes the distribution direction to, the spring-compressed of the distribution, and institute State the raceway that movable axis drives the movable steel ball to leave interior star-wheel.
- 3. the poor dedicated test dress of 120 ° of indexing of star-wheel raceway in concertina type Rzeppa constant velocity joint according to claim 1 Put, it is characterised in that：The stationary balls part includes the fixing axle being arranged in fixed plate, and the rear end of the fixing axle is set Fine setting screw thread is put to be used to adjust the fixing axle.
- 4. 120 ° of indexing of star-wheel raceway in concertina type Rzeppa constant velocity joint according to any one of claim 1 to 3 Poor special detection device, it is characterised in that：Kidney slot is opened up on the stationary balls part and movable steel ball part, passes through institute Stating kidney slot can adjust and fix the position of the stationary balls part and movable steel ball part on the bracket.
- 5. 120 ° of indexing of star-wheel raceway in concertina type Rzeppa constant velocity joint according to any one of claim 1 to 3 Poor special detection device, it is characterised in that：The cylindrical end tangs are tungsten steel block, and bocca, institute are set in the cylindrical end tangs The endoporus for stating bocca and the interior star-wheel matches.
- 6. 120 ° of indexing of star-wheel raceway in concertina type Rzeppa constant velocity joint according to any one of claim 1 to 3 Poor special detection device, it is characterised in that：The stationary balls and the height of movable steel ball are equal.
- 7. the poor dedicated test dress of 120 ° of indexing of star-wheel raceway in concertina type Rzeppa constant velocity joint according to claim 6 Put, it is characterised in that：Height between the upper surface of the cylindrical end tangs and the centre of sphere of the stationary balls and movable steel ball is equal For the System planes height of interior star-wheel.
- 8. utilize 120 ° of indexing of star-wheel raceway in the concertina type Rzeppa constant velocity joint as any one of claim 1-7 The method that poor special detection device is detected, it is characterised in that：Comprise the following steps：（1）Interior star-wheel to be detected is arranged in cylindrical end tangs；（2）Stationary balls part and movable steel ball part is rack-mount, make fixing axle and the activity of stationary balls part The movable axis angle of steel ball part is in 120 °；（3）Adjustment stationary balls part coordinates stationary balls and the raceway of interior star-wheel；（4）The movable axis for making movable steel ball part is in free state, and adjusts movable steel ball part and make movable steel ball best fit In corresponding raceway；（5）Dial gauge is adjusted, the numerical value of dial gauge is arranged to predetermined value；（6）Thrust mechanism is driven, movable steel ball is departed from place raceway；（7）Star-wheel and 120 ° are rotated in taking-up, repeat the（3）The（4）Step, read the value of dial gauge；（8）Repeat the（6）The（7）Step, obtains 5 percentage meter readings；（9）The difference that 5 dial gauge numerical values and predetermined value are compared to each other, it is exactly interior 120 ° of errors of division of star-wheel raceway.
- 9. according to the method for claim 8, it is characterised in that：The predetermined value is 0.
- 10. according to the method for claim 8, it is characterised in that：Also include the step of judging the error of division value, when dividing When degree error is less than 0.004 times of the radius of circle that six raceway centers of circle are formed in System planes, interior 120 ° of the star-wheel raceway The error of division is qualified, otherwise to be unqualified.
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| CN201610073970.3A CN105509620B (en) | 2016-02-03 | 2016-02-03 | The poor special detection device of 120 ° of indexing of star-wheel raceway and detection method in concertina type Rzeppa constant velocity joint |
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|---|---|---|---|
| CN201610073970.3A CN105509620B (en) | 2016-02-03 | 2016-02-03 | The poor special detection device of 120 ° of indexing of star-wheel raceway and detection method in concertina type Rzeppa constant velocity joint |
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| US6131293A (en) * | 1996-12-12 | 2000-10-17 | Femas S.R.L. | Universal self-centering device for heads or sensors for checking the trim of the wheels of motor vehicles in general |
| CN203704845U (en) * | 2014-01-23 | 2014-07-09 | 上海长锐汽车零部件有限公司 | Universal joint outer star wheel fairway 120 degree indexing difference measuring tool |
| CN203731992U (en) * | 2014-03-10 | 2014-07-23 | 上海长锐汽车零部件有限公司 | Universal joint internal star-wheel ball groove radius difference measuring tool |
| CN204154250U (en) * | 2014-09-11 | 2015-02-11 | 杭州通绿机械有限公司 | A kind of star-wheel indexing detecting tool |
| CN205373613U (en) * | 2016-02-03 | 2016-07-06 | 上海长锐汽车零部件有限公司 | Poor special detection device of 120 graduation of star gear raceway in concertina type rzeppa universal joint |
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|---|---|
| CN105509620A (en) | 2016-04-20 |
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