CN203731992U - Universal joint internal star-wheel ball groove radius difference measuring tool - Google Patents
Universal joint internal star-wheel ball groove radius difference measuring tool Download PDFInfo
- Publication number
- CN203731992U CN203731992U CN201420105539.9U CN201420105539U CN203731992U CN 203731992 U CN203731992 U CN 203731992U CN 201420105539 U CN201420105539 U CN 201420105539U CN 203731992 U CN203731992 U CN 203731992U
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- CN
- China
- Prior art keywords
- lifting
- moving sleeve
- universal joint
- hole
- alley
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 60
- 239000010959 steel Substances 0.000 claims abstract description 60
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 claims abstract description 25
- 229910052721 tungsten Inorganic materials 0.000 claims abstract description 25
- 239000010937 tungsten Substances 0.000 claims abstract description 25
- 238000006073 displacement reaction Methods 0.000 claims abstract description 8
- 241000239290 Araneae Species 0.000 claims description 17
- 230000000694 effects Effects 0.000 claims description 6
- 230000001737 promoting effect Effects 0.000 claims description 4
- 238000009827 uniform distribution Methods 0.000 claims description 3
- 241001061264 Astragalus Species 0.000 claims description 2
- 230000007423 decrease Effects 0.000 claims description 2
- 230000002093 peripheral effect Effects 0.000 claims description 2
- 238000005259 measurement Methods 0.000 abstract description 15
- 238000001514 detection method Methods 0.000 abstract description 7
- 238000000034 method Methods 0.000 abstract description 5
- 238000012545 processing Methods 0.000 abstract description 2
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 abstract 3
- 125000006850 spacer group Chemical group 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000010009 beating Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000007514 turning Methods 0.000 description 1
Abstract
The utility model belongs to the technical field of mechanical processing non-standard measuring tools, and discloses a universal joint internal star-wheel ball groove radius difference measuring tool comprising a pedestal, a lifting device which is arranged on the pedestal, and a flexible external sleeve which is arranged above the lifting device. A main body member penetrates through holes in the middle of the flexible external sleeve and the lifting device to be fixedly connected with the pedestal. A core shaft hole is arranged in the middle of the main body member. A core shaft is slidably arranged in the core shaft hole. The upper surface of the core shaft is used for fixing a universal joint internal star-wheel. The upper end of the main body member is circumferentially and evenly provided with three horizontal tungsten steel blocks. The positions, which are corresponding to the horizontal tungsten steel blocks, of the upper end of the flexible external sleeve are provided with 45-degree tungsten steel blocks. Three conical surfaces with smaller upper parts and larger lower parts are formed by the 45-degree tungsten steel blocks. The positions, which are arranged on the wall of the flexible external sleeve, below the conical surfaces are provided with through holes by which three steel balls are flexibly arranged. The flexible external sleeve is fixedly connected with a dial gauge by which displacement of the flexible external sleeve is measured. The measuring tool is simple in measurement and adjustment method, high in detection speed and low in requirement for detection personnel skills.
Description
Technical field
The utility model belongs to the nonstandard measurer technical field of machining, particularly a kind of universal joint inner spider alley semidiameter measurer.
Background technology
VL type universal joint inner spider alley is divided into 3 left alleys and 3 right alleys, and left and right alley alternative arrangement, in System planes, 6 alleys are uniform, each adjacent two in the same way the angle of alley be 120 ° all the time, circle of the each self-forming in the center of circle of 3 left alleys and 3 right alleys simultaneously, what measure is exactly that these two radius of a circles are poor.But because these two circles are virtual gardens, reality does not exist, so cannot directly measure radius difference.
Existing measuring method generally adopts three-dimensional to detect, the slow efficiency of detection speed is lower, precision is high, and simultaneously can detect right alignment, cylindricity, right alignment, concentricity, the depth of parallelism, verticality, beat, the parameter such as the beating of the linearity of right cylinder bus, right cylinder end face, flatness.But three-dimensional coordinates measurement needs programming, require high to detecting operating personnel; Detection speed is slow; Equipment cost is higher, and environment (temperature) is had relatively high expectations, and is applicable to laboratory environment application.Cannot be applicable to the Quick Measurement application of production on-site environment.
Utility model content
In order to solve the problems of the technologies described above, the utility model provides a kind of universal joint inner spider alley semidiameter diameter measuring tool, by left and right alley is carried out respectively to the measurement of displacement difference, thereby obtains the semidiameter of left and right alley.
The technical scheme that the utility model is taked is:
A kind of universal joint inner spider alley semidiameter measurer, universal joint inner spider alley comprises 3 left alleys and 3 right alleys of alternative arrangement, an and System planes, in described System planes, article 6, alley is uniform, it is characterized in that, described measurer comprises base, be arranged on the lifting gear on base, moving sleeve is set above lifting gear, in the middle of described lifting gear and described moving sleeve, have through hole, main component is set in described through hole to be fixedly connected with described base, the centre of described main component has core axle hole, mandrel is slidably set in described core axle hole, the upper surface of described mandrel is for permanent universal joint star-wheel, circumferentially uniformly in the upper end of described main component be fixedly installed 3 horizontal tungsten steel blocks, the upper end of described moving sleeve is fixedly installed 3 45 ° of tungsten steel blocks in position corresponding to described horizontal tungsten steel block, described 45 ° of tungsten steel blocks form three up-small and down-big taper surfaces, on described moving sleeve wall below described taper surface, offer through hole, by described through hole activity, 3 steel balls are set, on described moving sleeve, be fixedly connected with a dial gauge, by described dial gauge, the displacement of described moving sleeve is measured.
Further, four steel ball holes are offered in described lifting gear top, in described steel ball hole, activity arranges four lifting steel balls, the upper end of described lifting steel ball contacts with the bottom of described moving sleeve, in described main component lower end, circumference uniform distribution arranges 3 Compress Springs, one end of described Compress Spring connects described moving sleeve, and described Compress Spring produces downward thrust to described moving sleeve
Further, described lifting gear comprises that four liftings carve piece and coated described lifting and carve the lifting circle of piece, described lifting is carved piece and is circumferentially distributed and be connected with described base, form an annulus, carve in described lifting the described lifting circle of the peripheral placement of annulus that piece forms, described lifting is carved in the annular slide track that piece is arranged on described lifting circle, described lifting steel ball is carved piece through the circumferential uniform through hole on described lifting circle top with described lifting and is contacted, described lifting steel ball top contacts with described moving sleeve bottom, described lifting circle side is installed a lifting handle, by pulling described lifting handle, the moving described lifting steel ball of described lifting astragal is carved piece along described lifting and is climbed or decline, promoting described moving sleeve slides up and down in described main component outside.
Further, a screw rod is set in the threaded hole of described mandrel lower end, the middle part of described screw rod forms the shaft shoulder, below described base, be fixedly installed an end cap, the lower end of described screw rod is through the through hole in the middle of described end cap, at described end cap and described screw rod lower end, a disk spring is set, described disk spring produces downward thrust to described screw rod, the described shaft shoulder is contacted all the time with described end cap, thereby make described mandrel and described main component obtain a relatively-stationary position, on described mandrel, connecting link is set, on described connecting link, mark post is set, on described base, scale is set, in the time of described bolt rotary, the size of described mark post indicating on described scale reflects that current System planes height is (by regulating this System planes height, can be used for only having the measurement of the discrepant different inner spider alley semidiameters of System planes).
Further, at the described lifting circle arranged outside gag lever post of 180 ° of directions of described lifting handle, 2 limited blocks are set on the described base of described gag lever post both sides.
Further, at the side of described moving sleeve, table bar is set, arranges and survey seat on described base, described dial gauge is fixed on described table bar, and the gauge head of described dial gauge contacts with the described upper surface of surveying seat.
The beneficial effects of the utility model are:
(1) measurement and determination methods are simple, and detection speed is fast, require low to testing staff's technical ability;
(2) hardware cost is low, detection speed is fast, low to environmental requirement;
(3) accuracy of detection can meet automobile VL type star-wheel and rough mill the tolerance of the left and right alley semidiameter of alley.
Brief description of the drawings
Accompanying drawing 1 is the front elevation of star-wheel;
Accompanying drawing 2 is A-A cut-open views of accompanying drawing 1;
Accompanying drawing 3 is cut-open views of the present utility model;
Accompanying drawing 4 is that the B of accompanying drawing 3 is to view;
Accompanying drawing 5 is that the C of accompanying drawing 3 is to view;
Accompanying drawing 6 is schematic perspective views of the present utility model;
Accompanying drawing 7 is to promote the layout schematic perspective view of carving piece;
Accompanying drawing 8 is three measurement steel ball distributing position schematic diagram on star-wheel;
Accompanying drawing 9 is that semidiameter detects schematic diagram.
Label in accompanying drawing is respectively:
1. star-wheel; 2. left alley;
3. right alley; 4. System planes;
5. base; 6. promote circle;
7. promote steel ball; 8. promote and carve piece;
9. lifting handle; 10. moving sleeve;
11. main components; 12. mandrels;
13. measure steel ball; 14.45 ° tungsten steel block;
15. horizontal tungsten steel blocks; 16. dial gauges;
17. survey seat; 18. table bars;
19. scales; 20. mark posts;
21. connecting links; 22. adjusting screw(rod)s;
23. disk springs; 24. holddown springs;
25. shaft shoulders; 26. legs;
27. spacer pins; 28. limited blocks;
29. end caps.
Embodiment
Below in conjunction with accompanying drawing, the embodiment of the utility model universal joint inner spider alley semidiameter measurer is elaborated.
Referring to accompanying drawing 1,2, VL type universal joint star-wheel 1 is ring texture, and on its periphery, evenly alternative arrangement has 2 and 3 right alleys 3 of 3 left alleys, because 6 alleys in System planes 4 are uniform, therefore adjacent two in the same way the angle of alley be 120 ° all the time.Inevitable in 180 ° of directions respectively have a left and right alley, adds man-hour, is also that employing is processed after a pair of alley in pairs, second pair of alley of 120 ° of processing of workpiece rotation, then rotate 120 ° and process last to alley.Therefore, on circumference, becoming 120 ° of 3 alleys spaced apart is alleys in the same way, is not the instant right alley of left alley.The principle that simultaneously can determine a circle according to 3 on same straight line not, can adopt the radius value of measuring respectively left and right alley, and the difference of two radius value is exactly left and right alley semidiameter.
Referring to accompanying drawing 3 to 7, four liftings are set ringwise on base 5 and carve piece 8, carve piece 8 peripheries in lifting a lifting circle 6 is set, promote circle 6 bottoms and have an annular groove, lifting is carved piece 8 and is arranged in the annular groove that promotes circle 6, promote circle 6 and have four through holes above, a lifting steel ball 7 of each placement in through hole, promote steel ball 7 tops a moving sleeve 10 is set, moving sleeve 10 and lifting circle 6 all have intermediate throughholes, main component 11 is fixedly connected on base 5 through the intermediate throughholes of moving sleeve 10 and lifting circle 6, the cooperation of the cylindrical of the endoporus of moving sleeve 10 and main component 11 is for being slidably matched, promoting the axle center that circle 6 can main component 11 freely rotates, main component 11 upper end circumference uniform distributions arrange three horizontal tungsten steel blocks 15, the correspondence position of moving sleeve 10 upper ends and horizontal tungsten steel block 15 arranges three 45 ° of tungsten steel blocks 14, on the moving sleeve 10 of the below of 45 ° of tungsten steel blocks 14, have three through holes, the afterbody screw rod of the measurement steel ball 13 of three same diameter is through through hole, measuring steel ball 13 is movably arranged in 15 and 45 ° of regions that tungsten steel block 14 forms of horizontal tungsten steel block, in the middle of main component 11, have through hole, in through hole, be fixedly installed mandrel 12, the upper surface of mandrel 12 is for permanent universal joint star-wheel 1, the below of base 5 is provided with leg 26, be convenient to the movement of measurer and fix.
Three Compress Springs 24 are set the internal circumferential of main component 11 is uniform, the other end of Compress Spring 24 connects the endoporus bottom of moving sleeve 10, and Compress Spring 24 produces downward thrust to moving sleeve 10.
At the side that promotes circle 6, lifting handle 9 is set, opposite arranges spacer pin 27, two limited blocks 28 are set on the base 5 of spacer pin 27 both sides, the turned position that spacer pin 27 restrictions promote circle 6 is between two limited blocks 28, by promoting the effect of steel ball 7, limit the range of moving sleeve.
Arrange and survey seat 17 in a side of base 5, the sidewall of moving sleeve 10 arranges table bar 18, and dial gauge 16 is fixed on table bar 18, and dial gauge 16 is arranged on the top of surveying seat 17, dial gauge 16 is measured with respect to the displacement of surveying seat 17 moving sleeve 10, thereby realizes the measurement to alley semidiameter.
The cooperation of the endoporus of the cylindrical of mandrel 12 and main component 11 is for being slidably matched, in the threaded hole of mandrel 12 lower ends, adjusting screw(rod) 22 is set, the middle part of adjusting screw(rod) 22 forms the shaft shoulder 25, at base 5 intermediate throughholes downsides, an end cap 29 is set, the other end of set screw 22 is through the intermediate throughholes of end cap 29, end cap 29 arranges a disk spring 23 below, disk spring 23 produces downward thrust to adjusting screw(rod) 22, make the shaft shoulder 25 be adjacent to end cap 29, thereby make mandrel 12 obtain a fixed position, rotate adjusting screw(rod) 22, can change the upper-lower position of mandrel 12.
At the opposite side of base 5, a scale 19 is set, connecting link 21 is set on mandrel 22, mark post 20 is fixed on connecting link 21, and by the intermediate throughholes of scale 19, by the scale on the groove on mark post 20 and scale 19, can show the position that mandrel 12 is current.The height of mandrel 12 is applicable to only have the measurement of the discrepant different inner spider alley semidiameters of System planes.
On the sidewall of moving sleeve 10 and main component 11, have elongated slot, connecting link 21 is fixed on mandrel 12 through elongated slot, has limited the rotation of moving sleeve 10, and moving sleeve 10 can only be moved up and down.
Referring to accompanying drawing 8,3 measurement steel balls 13 are distributed in the System planes of star-wheel, 45 ° of tungsten steel blocks 14 of moving sleeve 10 upper ends promote to measure steel ball 13, make it to contact with one group of alley of workpiece, moving sleeve 10 produces a fixed position, 60 ° of same turning of work piece make to measure steel ball 13 and organize alley with another and contact, and moving sleeve 10 produces second fixed position.
Referring to accompanying drawing 9, the radius of establishing left and right alley is respectively R
leftand R
right, measuring steel ball 13 is △ in diametric displacement
1, measuring the displacement of 13 and 45 ° of tungsten steel block 14 contact points of steel ball in diametric(al) is △
2, the displacement of 45 ° of tungsten steel blocks 14 is △
3.This left and right alley semidiameter=│ R
left-R
right│=△
1=△
2=△
3therefore, can draw left and right alley semidiameter by the measurement respectively of 2 left and right alleys.
Continue referring to accompanying drawing 3 and 5, the course of work of the present utility model is as follows, rotate lifting handle 9, climb in the slope that lifting circle 6 drives lifting steel balls 7 to carve piece 8 along lifting, promote to move on moving sleeve 10, 45 ° of tungsten steel blocks 14 leave measures steel ball 13, measuring steel ball 13 can extend out in distribution diameter of a circle direction, tested star-wheel can be positioned on the mandrel 12 of semidiameter measurer, three measurement steel ball 13 contrapositions and one group alley (i.e. 3 left alleys or 3 right alleys) in the same way, loosen lifting handle 9, carve under the slope effect of piece 8 at holddown spring 24 and lifting, moving sleeve 10 moves down with 45 ° of tungsten steel blocks 14, drive the interior receipts of measurement steel ball 13 to touch inner spider alley face, dial gauge 16 also moves down simultaneously, the gauge head of dial gauge 16 touches surveys seat 17, can produce a measured value.Repeat above-mentioned steps, rotate 60 ° of measured workpieces, can draw the measured value of another group alley.The difference of two measured values is exactly left and right alley semidiameter.Finally again rotate lifting handle 9, take off workpiece and just complete the one-shot measurement process of product.
The above is only preferred implementation of the present utility model; it should be pointed out that for those skilled in the art, do not departing under the prerequisite of the utility model principle; can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (6)
1. a universal joint inner spider alley semidiameter measurer, universal joint inner spider alley comprises 3 left alleys and 3 right alleys of alternative arrangement, an and System planes, in described System planes, article 6, alley is uniform, it is characterized in that: described measurer comprises base, be arranged on the lifting gear on base, moving sleeve is set above lifting gear, in the middle of described lifting gear and described moving sleeve, have through hole, main component is set in described through hole to be fixedly connected with described base, the centre of described main component has core axle hole, mandrel is slidably set in described core axle hole, the upper surface of described mandrel is for permanent universal joint star-wheel, circumferentially uniformly in the upper end of described main component be fixedly installed 3 horizontal tungsten steel blocks, the upper end of described moving sleeve is fixedly installed 3 45 ° of tungsten steel blocks in position corresponding to described horizontal tungsten steel block, described 45 ° of tungsten steel blocks form three up-small and down-big taper surfaces, on described moving sleeve wall below described taper surface, offer through hole, by described through hole activity, 3 steel balls are set, on described moving sleeve, be fixedly connected with a dial gauge, by described dial gauge, the displacement of described moving sleeve is measured.
2. universal joint inner spider alley semidiameter measurer according to claim 1, it is characterized in that: four steel ball holes are offered in described lifting gear top, in described steel ball hole, activity arranges four lifting steel balls, the upper end of described lifting steel ball contacts with the bottom of described moving sleeve, in described main component lower end, circumference uniform distribution arranges 3 Compress Springs, one end of described Compress Spring connects described moving sleeve, and described Compress Spring produces downward thrust to described moving sleeve.
3. universal joint inner spider alley semidiameter measurer according to claim 2, it is characterized in that: described lifting gear comprises that four liftings carve piece and coated described lifting and carve the lifting circle of piece, described lifting is carved piece and is circumferentially distributed and be connected with described base, form an annulus, carve in described lifting the described lifting circle of the peripheral placement of annulus that piece forms, described lifting is carved in the annular slide track that piece is arranged on described lifting circle, described lifting steel ball is carved piece through the circumferential uniform through hole on described lifting circle top with described lifting and is contacted, described lifting steel ball top contacts with described moving sleeve bottom, described lifting circle side is installed a lifting handle, by pulling described lifting handle, the moving described lifting steel ball of described lifting astragal is carved piece along described lifting and is climbed or decline, promoting described moving sleeve slides up and down in described main component outside.
4. according to the universal joint inner spider alley semidiameter measurer described in any one in claims 1 to 3, it is characterized in that: a screw rod is set in the threaded hole of described mandrel lower end, the middle part of described screw rod forms the shaft shoulder, below described base, be fixedly installed an end cap, the lower end of described screw rod is through the through hole in the middle of described end cap, at described end cap and described screw rod lower end, a disk spring is set, described disk spring produces downward thrust to described screw rod, the described shaft shoulder is contacted all the time with described end cap, thereby make described mandrel and described main component obtain a relatively-stationary position, on described mandrel, connecting link is set, on described connecting link, mark post is set, on described base, scale is set, in the time of described bolt rotary, described mark post indicates size to reflect current System planes height on described scale.
5. according to the universal joint inner spider alley semidiameter measurer described in any one in claims 1 to 3, it is characterized in that: at the described lifting circle arranged outside gag lever post of 180 ° of directions of described lifting handle, 2 limited blocks are set on the described base of described gag lever post both sides.
6. according to the universal joint inner spider alley semidiameter measurer described in any one in claims 1 to 3, it is characterized in that: at the side of described moving sleeve, table bar is set, on described base, arrange and survey seat, described dial gauge is fixed on described table bar, and the gauge head of described dial gauge contacts with the described upper surface of surveying seat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420105539.9U CN203731992U (en) | 2014-03-10 | 2014-03-10 | Universal joint internal star-wheel ball groove radius difference measuring tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420105539.9U CN203731992U (en) | 2014-03-10 | 2014-03-10 | Universal joint internal star-wheel ball groove radius difference measuring tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203731992U true CN203731992U (en) | 2014-07-23 |
Family
ID=51202059
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420105539.9U Expired - Lifetime CN203731992U (en) | 2014-03-10 | 2014-03-10 | Universal joint internal star-wheel ball groove radius difference measuring tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203731992U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105509620A (en) * | 2016-02-03 | 2016-04-20 | 上海长锐汽车零部件有限公司 | Detection device special for internal star wheel raceway 120-degree indexing difference of telescopic type rzeppa universal joint and detection method |
| CN107860292A (en) * | 2017-12-11 | 2018-03-30 | 合肥右传媒科技有限公司 | A kind of inner race chord length difference cubing |
| CN108393545A (en) * | 2018-04-19 | 2018-08-14 | 山推工程机械股份有限公司 | The self-centering tooling of bull gear gear hobbing process |
| CN109187201A (en) * | 2018-10-25 | 2019-01-11 | 上海第机床厂有限公司 | In-pile component plays the load test device of hanging piece |
| CN110455160A (en) * | 2019-09-20 | 2019-11-15 | 浙江向隆机械有限公司 | A kind of device for the detection of cage shell alley semidiameter |
| CN112414341A (en) * | 2020-09-29 | 2021-02-26 | 天津旗领机电科技有限公司 | Detection device and detection method for cycloid wheel of planetary cycloid pin gear reducer |
| CN112665490A (en) * | 2020-07-30 | 2021-04-16 | 绍兴市雅克汽配有限公司 | Eccentric inner curve contour gauge |
-
2014
- 2014-03-10 CN CN201420105539.9U patent/CN203731992U/en not_active Expired - Lifetime
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105509620A (en) * | 2016-02-03 | 2016-04-20 | 上海长锐汽车零部件有限公司 | Detection device special for internal star wheel raceway 120-degree indexing difference of telescopic type rzeppa universal joint and detection method |
| CN105509620B (en) * | 2016-02-03 | 2018-01-02 | 上海长锐汽车零部件有限公司 | The poor special detection device of 120 ° of indexing of star-wheel raceway and detection method in concertina type Rzeppa constant velocity joint |
| CN107860292A (en) * | 2017-12-11 | 2018-03-30 | 合肥右传媒科技有限公司 | A kind of inner race chord length difference cubing |
| CN108393545A (en) * | 2018-04-19 | 2018-08-14 | 山推工程机械股份有限公司 | The self-centering tooling of bull gear gear hobbing process |
| CN109187201A (en) * | 2018-10-25 | 2019-01-11 | 上海第机床厂有限公司 | In-pile component plays the load test device of hanging piece |
| CN110455160A (en) * | 2019-09-20 | 2019-11-15 | 浙江向隆机械有限公司 | A kind of device for the detection of cage shell alley semidiameter |
| CN112665490A (en) * | 2020-07-30 | 2021-04-16 | 绍兴市雅克汽配有限公司 | Eccentric inner curve contour gauge |
| CN112665490B (en) * | 2020-07-30 | 2023-08-15 | 绍兴市雅克汽配有限公司 | Eccentric inner curve profile gauge |
| CN112414341A (en) * | 2020-09-29 | 2021-02-26 | 天津旗领机电科技有限公司 | Detection device and detection method for cycloid wheel of planetary cycloid pin gear reducer |
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|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140723 |
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| CX01 | Expiry of patent term |