CN208381220U - It is driven roller and needle tooth cycloidal reducer, bearing with it - Google Patents
It is driven roller and needle tooth cycloidal reducer, bearing with it Download PDFInfo
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- CN208381220U CN208381220U CN201820909021.9U CN201820909021U CN208381220U CN 208381220 U CN208381220 U CN 208381220U CN 201820909021 U CN201820909021 U CN 201820909021U CN 208381220 U CN208381220 U CN 208381220U
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Abstract
The utility model provides a kind of transmission roller and needle tooth cycloidal reducer, bearing with it, the transmission roller includes by the close hollow rollers around formation of steel band or steel wire spiral, when the hollow rollers both ends distributed along its axial direction are squeezed, the length of the hollow rollers is constant.Roller is driven when by ambient pressure, end not cracky, and in use will not be to middle part infiltration and development, long service life.
Description
Technical field
The utility model relates to cracky, service life is not longer when machinery field more particularly to a kind of receiving pressure
It is driven roller and needle tooth cycloidal reducer, bearing with the transmission roller.
Background technique
Transmission roller, traditional biography are often used in machinery field, the transmission devices such as needle tooth cycloidal reducer, bearing
Dynamic roller is solid roller, and the use environment of transmission device more dislikes summary, overload problems, therefore solid roller may often occurs
Also it will receive unnecessary extra load, increase abrasion singularly, or even can be destroyed.This is also current transmission device production
In commonplace existing common fault.The new machine precision just assembled is good, and using soon, precision is substantially reduced, and lubricating oil is rapid
Black, the precision retention time is too short, this is far from meeting the requirements.
To solve this awkward situation, the major measure that the country is taken at present is to further increase machining accuracy and assembly essence
Degree, strives for drawing close to import is original-pack comprehensively.And proposing high-precision major measure is using more advanced, the mainly processing of import
Equipment.But facts proved that purpose can not be fully achieved merely by doing so, and thus bring production cost is expensive, also makes one
Suspecting can really be commercialized in the future, to reach the ability with external product competition.
In addition, also it has been proposed that introduce flexible hollow rollers in transmission device instead of traditional solid roller,
It is made up by elastic compensating due to mismachining tolerance, the reasons such as service wear cause bad problem.It was verified that hollow rollers exist
Deformation retract can be omited when pressure-bearing, so that not reason mismachining tolerance or assembly inaccuracy be made between the component of transmission device to cause excessively
Interference fit, or cross wide arc gap caused by making to wear and compensated；Therefore elastic compensating can reduce wanting for machining accuracy really
It asks, reduces abrasion, it will be apparent that extend the service life of transmission device, keep precision.
However, it is contemplated that the possible very severe of the operating condition of transmission device, often has situations such as overload is impacted, such as
What further enhances the anti-pressure ability of flexible hollow rollers, prolongs its service life, and is to improve the transmission device service life
Another technological challenge.
In view of this, it is necessary to provide a kind of new transmission roller and the needle tooth cycloidal reducer with the transmission roller,
Bearing, to solve the above technical problems.
Utility model content
The purpose of this utility model is to provide not cracky, service life longer transmission rollers when a kind of receiving pressure
And needle tooth cycloidal reducer, bearing with the transmission roller.
To realize above-mentioned purpose of utility model, the utility model provides a kind of needle tooth cycloidal reducer, including cycloid disc,
The pin wheel housing being surrounded on the outside of cycloid disc and the needle tooth assembly being clamped between cycloid disc and pin wheel housing, the needle tooth assembly include
It is several along the equally distributed transmission roller in pin wheel housing inside circumference direction, the transmission roller includes close by steel band or steel wire spiral
Around the hollow rollers of formation, when the hollow rollers both ends distributed along its axial direction are squeezed, the length of the hollow rollers
It is constant.
The pipe thickness of the hollow rollers is between the hollow rollers outer diameter as a further improvement of the utility model,
1/4 ~ 1/6 between.
The outer diameter of the hollow rollers is between 1.5mm ~ 10mm as a further improvement of the utility model,.
The transmission roller further includes the inner core in the hollow rollers as a further improvement of the utility model,
Body is provided with elastically-deformable for hollow rollers generation between the inner wall of the hollow rollers and the outside wall surface of the inner core-body
Gap.
The inner core-body is solid cylinder or helical spring as a further improvement of the utility model,.
The inner core-body is helical spring, the helical spring and the steel as a further improvement of the utility model,
The hand of spiral of band or the steel wire is opposite.
The transmission roller further includes to be bonded the hollow rollers and institute as a further improvement of the utility model,
State the elastic gum of inner core-body.
To realize above-mentioned purpose of utility model, the utility model also provides a kind of transmission roller for transmission device, institute
Stating transmission roller includes by the close hollow rollers around formation of steel band or steel wire spiral, the hollow rollers distributed along its axial direction two
When end is squeezed, the length of the hollow rollers is constant.
The pipe thickness of the hollow rollers is between the hollow rollers outer diameter as a further improvement of the utility model,
1/4 ~ 1/6 between.
The outer diameter of the hollow rollers is between 1.5mm ~ 10mm as a further improvement of the utility model,.
The transmission roller further includes the inner core in the hollow rollers as a further improvement of the utility model,
Body is provided with elastically-deformable for hollow rollers generation between the inner wall of the hollow rollers and the outside wall surface of the inner core-body
Gap.
The inner core-body is solid cylinder or helical spring as a further improvement of the utility model,.
The inner core-body is helical spring, the helical spring and the steel as a further improvement of the utility model,
The hand of spiral of band or the steel wire is opposite.
The transmission roller further includes to be bonded the hollow rollers and institute as a further improvement of the utility model,
State the elastic gum of inner core-body.
To realize above-mentioned purpose of utility model, the utility model also provides a kind of bearing, and the bearing includes interval setting
Outer collar bearing, inner bearing collar, several above-mentioned transmission rollers for being set between outer collar bearing and inner bearing collar and being uniformly arranged.
The beneficial effects of the utility model are: the needle tooth cycloidal reducer of the utility model, close by steel band or steel wire spiral
Hollow rollers around formation are not only able to the pressure born required for carrying needle tooth cycloidal reducer as transmission roller, and empty
Heart roller is when by ambient pressure, end not cracky, and will not use the longevity to middle part infiltration and development in use
Life length.
Detailed description of the invention
Some specific realities of the utility model are described in detail by way of example and not limitation with reference to the accompanying drawings hereinafter
Apply example.Identical appended drawing reference denotes same or similar part or part in attached drawing.It should be appreciated by those skilled in the art that
The drawings are not necessarily drawn to scale.In attached drawing:
Fig. 1 is the schematic cross-sectional view of the needle tooth cycloidal reducer of one preferred embodiment of the utility model；
Fig. 2 is the enlarged drawing that part is irised out in Fig. 1；
Fig. 3 is the long hollow rollers schematic diagram that end deforms when being pressurized；
Fig. 4 is the short hollow rollers schematic diagram that end deforms when being pressurized；
Fig. 5 a is the structural schematic diagram of the transmission roller of one preferred embodiment of the utility model；
Fig. 5 b is the schematic diagram of Fig. 5 a in X direction；
Fig. 6 a is the structural schematic diagram of the transmission roller of the utility model another embodiment；
Fig. 6 b is the schematic diagram of Fig. 6 a in X direction；
Fig. 7 a is the structural schematic diagram of the transmission roller of the utility model another embodiment；
Fig. 7 b is the schematic diagram of Fig. 7 a in X direction；
Fig. 8 a is the structural schematic diagram of the transmission roller of the utility model another embodiment；
Fig. 8 b is the schematic diagram of Fig. 8 a in X direction；
Fig. 9 is the structural schematic diagram of the bearing of one preferred embodiment of the utility model.
Specific embodiment
In order to keep the purpose of this utility model, technical solution and advantage clearer, with reference to the accompanying drawing and it is embodied
The utility model is described in detail in example.
The transmission device that needle tooth cycloidal reducer has been widely used as industrial robot at present is applied, and is especially subtracted with RV type
Fast device is that the needle tooth cycloidal reducer of representative is compact-sized with its, transmission capacity is strong, becomes the most important component of robot system.
Fig. 1 and as shown in connection with fig. 2 is please referred to, is the needle tooth cycloidal reducer 100 that the utility model is the utility model
Better embodiment.The needle tooth cycloidal reducer 100 mainly includes being located at centre to connect servomotor (not shown)
Input shaft (not shown), is engaged in around input gear just the input gear (not shown) that input shaft end is arranged in
Gear (not shown), the cycloid disc 2 being equipped with crank axle 1, is equipped in song the crank axle 1 mutually fixed with spur gear
Bearing 3, pin wheel housing 4 between arbor 1 and cycloid disc 2, the needle tooth assembly 5 being clamped between cycloid disc 2 and pin wheel housing 4 and with
Cycloid disc 2 matches the output element 6 of setting.The perforation for accommodating the crank axle 1 and bearing 3 is provided on the cycloid disc 2
21.In the utility model, assembly, working principle etc. between all parts of the needle tooth cycloidal reducer 100 be can refer to
No. 201510640442.7 patent, repeats no more in this.
Please referring particularly to shown in Fig. 2, the needle tooth assembly 5 is uniformly distributed including several along 4 inside circumference direction of pin wheel housing
Needle tooth 51.In the utility model, needle tooth 51 is used as using Fig. 4 ~ transmission shown in Fig. 8 roller 7, the transmission roller 7 includes
But it is not limited to the hollow rollers 71 with certain elasticity.When encountering overload, the hollow rollers 71 are omited in pressure-bearing
Deformation retract and generate elastic compensating, thus make between each component of cycloid disc 2, pin wheel housing 4 and needle tooth assembly 5 not reason process
Error or assembly inaccuracy cause excessive interference fit, or compensate wide arc gap excessively caused by wearing；Therefore it can reduce
The requirement of machining accuracy reduces abrasion, it will be apparent that extends the service life of the needle tooth cycloidal reducer 100, keeps precision.
Specifically, please refer to shown in Fig. 4 ~ Fig. 8, the transmission roller 7 include by steel band 712 or steel wire 712' spiral it is close around
The hollow rollers 71 of formation, " close around " refer to steel band 712 or the seamless spiral winding of steel wire 712', on 71 edge of hollow rollers
When its both ends being axially distributed is squeezed, the length of the hollow rollers 71 is constant.Wherein, Fig. 4 only illustrates the transmission
The one circle steel band 712 or steel wire 712' of the axial one end of roller 7.
The hollow rollers 71 are when by ambient pressure, end not cracky, and in use will not be in
Portion's infiltration and development, long service life.Analytic explanation is as follows:
It please join shown in Fig. 3, can be understood as the longer hollow rollers of length along the hollow rollers that its axial direction is an entirety,
Hereinafter referred to as long hollow rollers；When there is pressure P to act on long hollow rollers end, end can deform.Specifically, it holds
The tube wall in portion can be recessed inwardly under the action of pressure P, and such as CDE is surrounded in figure a pit is formed around.This is recessed
Hole is most deep at port, and most shallow at farthest D at port.It is formed after the indent of port in Fig. 1 represented by dotted line
Curve.Original B point indent moves back A point at inner wall.The distance of AB two o'clock is on Fig. 3 represented by △, i.e., maximum deformation herein away from
From.
In the utility model in steel band 712 or the close hollow rollers 71 around formation of steel wire 712' spiral, with the hollow rolling
The one circle steel band 712 or steel wire 712' of the axial one end of column 71 constitute short hollow rollers shown in Fig. 4, when pressure P' is acted on and is schemed
When long hollow rollers in 3 have same diameter and the short hollow rollers of thickness, short hollow rollers are similarly formed indent phenomenon, figure
4 dotted line indicates deformation in this case.Under pressure P' appropriate effect, original B' point is moved on to recessed at A' at inner wall
△'.At this moment, it has been found that even if △ '=△, i.e. the amount of the two indent is identical, but deformation distance is different, the property of deformation
It is entirely different.
For long hollow rollers shown in Fig. 3, due to the constraint by overall length rigidity, it is attached that deformation can only occur in port
In nearly loop CDE one piece small；Tube wall change in shape is fierce at A point, radius of curvature very little.And for shown in Fig. 4 short hollow
For roller, since length direction does not have much constraints, so short hollow rollers are along axial both ends represented by the dotted line of Fig. 4
Deformation curve at mouthful is almost parallel identical.Circumferentially one section of camber line very long from C' to E' has been involved in deformation, therefore
Although the sinkage △ ' of inner wall B' point is equal with the △ in Fig. 3, the change in shape of tube wall is little at the point, radius of curvature
It is very big；The variation of radius of curvature indicates the degree of true strain at this.Therefore, even if the two sinkage is identical, but long hollow rolling
Column is possible to crack, but short hollow rollers are safe, non-breakable, long service life.
By upper analysis it is found that short hollow rollers can bear biggish deformation, therefore, the utility model than long hollow rollers
The hollow rollers 71 can bear biggish deformation in the hollow rollers 71 of integral type along axial than traditional；The utility model
Transmission roller 7 can not only play the elastic compensating effect of long hollow rollers, and when the pressure of receiving is identical, not easily damaged,
Long service life.
Wherein, the thickness and width of the steel band 712 is unlimited, and the section of steel wire 712' can be round or abnormity, only
Can be the compact close hollow rollers 71 for forming the rigidity needed with transmission roller 7 by way of；When described hollow
When per kilogram pressure is born on 71 surface of roller, deflection radially is 2 ~ 5 microns.
To guarantee coming into full contact with for the transmission roller 7 and needle tooth socket and cycloid disc 2, increases contact area, reduces and wear,
The periphery of the hollow rollers 71 can be ground, to guarantee suitable outer diameter and necessary finish.For example, described
The outer diameter of hollow rollers 71 is between 1.5mm ~ 10mm, to adapt to different demands.
The pipe thickness of the hollow rollers 71 is between the 1/4 ~ 1/6 of 71 outer diameter of hollow rollers, pipe thickness
Between 0.3mm ~ 2.5mm.Such as: when the outer diameter of hollow rollers 71 is 6mm, the thickness of steel band 712 or the line of steel wire 712'
Diameter is 1.5mm；Or the outer diameter of hollow rollers 71, when being 10mm, the line footpath of the thickness of steel band 712 or steel wire 712' are 2.5mm；Or
When the outer diameter of hollow rollers 71 is 1.5mm, the thickness of steel band 712 or the line footpath of steel wire 712' are 0.3mm.
When the outer diameter of the hollow rollers 71 is larger, the tube wall of the hollow rollers 71 is also thicker, can make described
Hollow rollers 71 inherently have certain impact strength, while when being squeezed by biggish external force, and can produce certain
Flexible deformation compensate.The tube wall of the hollow rollers 71 and the consistency of thickness of steel band 712 or steel wire 712' it is compact it is close around
Line footpath afterwards along 71 radial direction of hollow rollers is consistent.
Further, it please refers to shown in Fig. 7 a ~ Fig. 8 b, any one of the above transmission roller 7 further includes positioned at described hollow
Inner core-body 72 in roller 71 is provided between the inner wall of the hollow rollers 71 and the outside wall surface of the inner core-body 72 for sky
Elastically-deformable gap △ ' ' occurs for heart roller 71.Under the effect of super large load namely the hollow rollers 71 are pressed by the external world
When power, the hollow rollers 71 inwardly occur flexible deformation and contact with the inner core-body 72, and the inner core-body 72 is to the sky
Heart roller 71 provides powerful support force to enhance its resistance to overload impact, thereby may be ensured that hollow rollers 71 are working
It is not destroyed when the surge powerful by exception in the process.
Specifically, it please refers to shown in Fig. 7 a ~ Fig. 7 b, the inner core-body 72 is solid cylinder 72a, and solid cylinder 72a's is anti-
Pressure energy power is strong, can prevent the hollow rollers 71 from further deforming and structure is caused to be destroyed.
Or please refer to shown in Fig. 8 a ~ Fig. 8 b, the inner core-body 72 is tight in the shape of a spiral by steel wire 712' or narrow thin steel strip 712
Helical spring 72b made of close coiling, it is possible to reduce the last deformation extent of the hollow rollers 71 makes the transmission roller 7
It is whole first soft rear hard in stress, reach optimal compensating action.
Also, the hollow rollers 71 are the spiral shell as made of steel wire 712' or the coiling close in the shape of a spiral of narrow thin steel strip 712
The hollow structure of spring like is revolved, and the inner core-body 72 is also for by steel wire 712' or the coiling close in the shape of a spiral of narrow thin steel strip 712
Made of helical spring 72b when, the hollow rollers 71 are contrary with the screw winding of the helical spring 72b.In general, institute
Different in width, the narrow thin steel strip 712 of thickness or the steel of different-diameter can be used by stating hollow rollers 71 and the helical spring 72b
The silk close coiling of 712' forms, to adapt to different demands.In addition, the hollow rollers 71 are usually than the helical spring 72b's
Elastic big, it is big to can be effectively carried out the intensity of elastic compensating or the helical spring 72b usually than the hollow rollers 71, with
Play better supporting role.
The transmission roller 7 further includes the elastic gum to be bonded the hollow rollers 71 and the inner core-body 72, so that
The hollow rollers 71 are integrally formed with the inner core-body 72, cannot arbitrarily be slided.For example, can be by the hollow rollers 71
The both ends that length is set as slightly shorter than the inner core-body 72 namely described inner core-body 72 can protrude from the hollow rollers 71 respectively
Both ends, in this way convenient for the two fixed in end point setting elastic gum.
The utility model any one of the above transmission roller 7 can be also used for other transmission devices, structure and its can
The effect ginseng foregoing description reached, repeats no more in this.
It please refers to shown in Fig. 9, the above-mentioned various transmission rollers 7 of the utility model can be used in bearing 3, the bearing 3
It may be used as the bearing 3 in above-mentioned needle tooth cycloidal reducer 100 shown in FIG. 1 between crank axle 1 and cycloid disc 2, it is also applicable
In on the transmission device that other need to be arranged bearing 3.
As shown in figure 9, the bearing 3 generally includes spaced outer collar bearing 31 and inner bearing collar 32, is set to outside
Between bearer ring 31 and inner bearing collar 32 and several rollers for being uniformly arranged；The roller 33 of the bearing 3 can be aforementioned drive
The various embodiment set-up modes of roller 7, and the effect that the transmission roller 7 in embodiment as above can be reached can be reached
Fruit, such as the bearing 3 can be effectively ensured such as the load-carry duty that above-mentioned 7 part of transmission roller is said, while the manufacture of its bearing 3
Precision can also be minimized, and the service life of the bearing 3 is also effectively improved.
Wherein, the outer collar bearing 31, the inner bearing collar 32 are respectively formed the outer rollaway nest of roller 33, interior rollaway nest；It is described
Outer collar bearing 31 and the inner bearing collar 32 can be independent structure, or be tied using the part of the product of the bearing
On the one hand structure can reduce components, reduce cost, on the other hand can also reduce the superposition of error.For example, bearing 3 is applied
When on the needle tooth cycloidal reducer 100 of the utility model, the outer collar bearing 31, inner bearing collar 32 are also respectively by cycloid disc 2, song
Arbor 1 is constituted, i.e., the inner wall of perforation 21 is formed directly as the outer rollaway nest, the cam outer face of the crank axle 1 on cycloid disc 2
Be formed as interior rollaway nest, roller 33 thus may make to be held and mounted between 21 inner walls of perforation and the cam outer face of crank axle 1, it can
Setting is directly resilient to offset between cycloid disc 2 and crank axle 1 or the foozle of roller 33 itself by roller 33, and
So that 33 supporting effect of roller is preferable.
Wherein, the diameter of the roller 33 is set as slightly larger than the gap between interior rollaway nest and outer rollaway nest, so that static
Under state, roller 33 is all to be crushed slightly to be in pre-stressed state in ellipticity, squeezes between interior rollaway nest and outer rollaway nest, does not have
One vacancy does not have individual rollers 33 in this way and destroys because of overload, while interior rollaway nest and outer rollaway nest surface have also obtained effectively
Protection.
In conclusion the transmission roller 7 of the utility model includes by steel band 712 or the close sky around formation of steel wire 712' spiral
Heart roller 71, when by ambient pressure, end not cracky, and will not make in use to middle part infiltration and development
It is long with the service life；And then improve the service life of the transmission devices such as needle tooth cycloidal reducer, bearing.
The needle tooth cycloidal reducer, bearing of the utility model, it is close around the hollow of formation by steel band 712 or steel wire 712' spiral
Roller 71 is not only able to the pressure of receiving required for carrying needle tooth cycloidal reducer, bearing, and hollow rolling as transmission roller 7
Column 71 is when by ambient pressure, end not cracky, and in use will not be to middle part infiltration and development, service life
It is long；And then improve the service life of the transmission devices such as needle tooth cycloidal reducer, bearing.
Above embodiments are merely intended for describing the technical solutions of the present application, but not for limiting the present application, although referring to preferred embodiment pair
The utility model is described in detail, those skilled in the art should understand that, it can be to the technology of the utility model
Scheme is modified or replaced equivalently, without departing from the spirit and scope of the technical scheme of the present invention.
Claims (15)
1. a kind of needle tooth cycloidal reducer, including cycloid disc, the pin wheel housing being surrounded on the outside of cycloid disc and be clamped in cycloid disc and
Needle tooth assembly between pin wheel housing, the needle tooth assembly include several along the equally distributed transmission rolling in pin wheel housing inside circumference direction
Column, it is characterised in that: the transmission roller includes by the close hollow rollers around formation of steel band or steel wire spiral, the hollow rollers
When both ends distributed along its axial direction are squeezed, the length of the hollow rollers is constant.
2. needle tooth cycloidal reducer according to claim 1, it is characterised in that: the pipe thickness of the hollow rollers between
Between the 1/4 ~ 1/6 of the hollow rollers outer diameter.
3. needle tooth cycloidal reducer according to claim 1, it is characterised in that: the outer diameter of the hollow rollers between
Between 1.5mm ~ 10mm.
4. needle tooth cycloidal reducer according to claim 1, it is characterised in that: the transmission roller further includes positioned at described
Inner core-body in hollow rollers is provided with for hollow rolling between the inner wall of the hollow rollers and the outside wall surface of the inner core-body
Elastically-deformable gap occurs for column.
5. needle tooth cycloidal reducer according to claim 4, it is characterised in that: the inner core-body is solid cylinder or spiral
Spring.
6. needle tooth cycloidal reducer according to claim 5, it is characterised in that: the inner core-body is helical spring, described
Helical spring is opposite with the hand of spiral of the steel band or the steel wire.
7. needle tooth cycloidal reducer according to claim 4, it is characterised in that: the transmission roller further includes to be bonded
The elastic gum of the hollow rollers and the inner core-body.
8. a kind of transmission roller is used for transmission device, it is characterised in that: the transmission roller includes close by steel band or steel wire spiral
Around the hollow rollers of formation, when the hollow rollers both ends distributed along its axial direction are squeezed, the length of the hollow rollers
It is constant.
9. transmission roller according to claim 8, it is characterised in that: the pipe thickness of the hollow rollers is between the sky
Between the 1/4 ~ 1/6 of heart roller outer diameter.
10. transmission roller according to claim 8, it is characterised in that: the outer diameter of the hollow rollers between 1.5mm ~
Between 10mm.
11. transmission roller according to claim 8, it is characterised in that: the transmission roller further includes positioned at described hollow
Inner core-body in roller is provided between the inner wall of the hollow rollers and the outside wall surface of the inner core-body and sends out for hollow rollers
Raw elastically-deformable gap.
12. transmission roller according to claim 11, it is characterised in that: the inner core-body is solid cylinder or spiral bullet
Spring.
13. transmission roller according to claim 12, it is characterised in that: the inner core-body is helical spring, the spiral
Spring is opposite with the hand of spiral of the steel band or the steel wire.
14. transmission roller according to claim 11, it is characterised in that: the transmission roller further includes described to be bonded
The elastic gum of hollow rollers and the inner core-body.
15. a kind of bearing, the bearing includes spaced outer collar bearing, inner bearing collar, is set to outer collar bearing and inner shaft
Between carrier ring and several rollers for being uniformly arranged, it is characterised in that: the roller is described in claim 8 ~ 14 any one
It is driven roller setting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820909021.9U CN208381220U (en) | 2018-06-12 | 2018-06-12 | It is driven roller and needle tooth cycloidal reducer, bearing with it |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820909021.9U CN208381220U (en) | 2018-06-12 | 2018-06-12 | It is driven roller and needle tooth cycloidal reducer, bearing with it |
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| CN208381220U true CN208381220U (en) | 2019-01-15 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108506428A (en) * | 2018-06-12 | 2018-09-07 | 昆山光腾智能机械有限公司 | It is driven roller and needle tooth cycloidal reducer, bearing with it |
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2018
- 2018-06-12 CN CN201820909021.9U patent/CN208381220U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108506428A (en) * | 2018-06-12 | 2018-09-07 | 昆山光腾智能机械有限公司 | It is driven roller and needle tooth cycloidal reducer, bearing with it |
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