CN109667907A - The planetary roller screw of ring grain axle sleeve matching thread screw rod - Google Patents
The planetary roller screw of ring grain axle sleeve matching thread screw rod Download PDFInfo
- Publication number
- CN109667907A CN109667907A CN201910045743.3A CN201910045743A CN109667907A CN 109667907 A CN109667907 A CN 109667907A CN 201910045743 A CN201910045743 A CN 201910045743A CN 109667907 A CN109667907 A CN 109667907A
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- Prior art keywords
- groove
- axle sleeve
- screw rod
- roller
- screw
- 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.)
- Pending
Links
- 230000002093 peripheral effect Effects 0.000 claims description 12
- 238000005096 rolling process Methods 0.000 claims description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000009347 mechanical transmission Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H25/00—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms
- F16H25/18—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms for conveying or interconverting oscillating or reciprocating motions
- F16H25/20—Screw mechanisms
- F16H25/22—Screw mechanisms with balls, rollers, or similar members between the co-operating parts; Elements essential to the use of such members
- F16H25/2247—Screw mechanisms with balls, rollers, or similar members between the co-operating parts; Elements essential to the use of such members with rollers
- F16H25/2252—Planetary rollers between nut and screw
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H25/00—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms
- F16H25/18—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms for conveying or interconverting oscillating or reciprocating motions
- F16H25/20—Screw mechanisms
- F16H25/24—Elements essential to such mechanisms, e.g. screws, nuts
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Transmission Devices (AREA)
Abstract
The present invention proposes that a kind of planetary roller screw of ring grain axle sleeve matching thread screw rod, planetary roller screw include: screw rod, and the periphery of screw rod is provided with a plurality of first groove extended along hand of helix, and the section of first groove is arc；Axle sleeve, axle sleeve are sheathed on screw rod, and the inner surface of axle sleeve is provided with a plurality of second groove circumferentially, and second groove is formed as the ring-type being closed in the circumferential direction of screw rod, and the section of second groove is arc, and first groove and second groove are intersected；And multiple rollers, the periphery of roller are provided with a plurality of convex tooth, every convex thread form becomes the ring-type being closed in the circumferential direction of roller, and the section of convex tooth is arc, and convex dental inlay enters the crossover location of first groove and second groove.In the planetary roller screw course of work, convex tooth moves the planetary roller screw of ring grain axle sleeve matching thread screw rod by adopting the above technical scheme in the second groove of annular closed, fixes roller relative to the axial position of axle sleeve, resets without resetting apparatus.
Description
Technical field
The invention belongs to technical field of mechanical transmission, and in particular to a kind of planetary roller of ring grain axle sleeve matching thread screw rod
Lead screw.
Background technique
Planetary roller screw is a kind of novel transmission device, can convert rotational motion into linear motion.Planet
Roller screw has higher shock resistance than conventional ball lead screw, and the static load of planetary roller screw is about conventional ball lead screw
3 times, the service life is about 15 times of conventional ball lead screw.And planetary roller screw can have higher rotation speed and rotation
Acceleration, therefore it is widely used in the fields such as precision instrument, weaponry, industrial robot and aerospace.
A kind of existing normal formula planetary roller screw includes screw rod, axle sleeve and roller.The outer peripheral surface of screw rod is provided with outer
Screw thread, the inner peripheral surface of axle sleeve are provided with the internal screw thread of identical as external screw thread head number and tooth form, and roller is provided with identical as external screw thread
The one start screw of tooth form.External screw thread, internal screw thread and single-threaded tooth form are such as triangle.Axle sleeve is sheathed on screw rod, if
A dry roller is uniformly arranged along the circumferencial direction of screw rod.When screw rod rotates, roller not only revolved around the axis of screw rod, but also around roller
The axis rotation of itself.Internal screw thread and external screw thread helix angle having the same, can ensure pure rolling when roller is engaged with axle sleeve
It is dynamic, without along axial displacement.This planetary roller screw processes spiral shell adding the very high processing and manufacturing precision of man-hour requirement
Line needs biggish processing cost.
Another existing circulating planetary roller screw includes screw rod, axle sleeve, roller and resets ring.The outer peripheral surface of screw rod
It is provided with external screw thread, the inner peripheral surface of axle sleeve is provided with the internal screw thread of identical as external screw thread head number and tooth form, external screw thread and internal screw thread
Tooth form be such as triangle.Roller is provided with ring screw, and the lift angle of ring screw is zero.Ring (resetting apparatus) is resetted to set
It is placed in the end of roller, ring is resetted and is provided with protrusion, roller often rotates a circle around the axis of screw rod, and protrusion will stir roller
Make its position reset.The advantage of this circulating planetary roller screw is to reach higher using smaller lead of screw thread
Position precision, simultaneously because meshing point is more, bearing capacity is also bigger.But reset ring and will lead to friction and impact increase, it produces
Raw vibration and noise causes operation irregularity.
Summary of the invention
Based on the defect of the above-mentioned prior art, the present invention is directed to propose a kind of planet of ring grain axle sleeve matching thread screw rod rolls
Column lead screw makes planetary roller screw both can be big with bearing capacity, and drive position precision height can not also generate impact, keeps operation flat
It is suitable.
The present invention proposes a kind of planetary roller screw of ring grain axle sleeve matching thread screw rod, the planetary roller screw packet
It includes:
Screw rod, the periphery of the screw rod are provided with a plurality of first groove extended along hand of helix, the first groove
Edge perpendicular to the first groove extending direction plane section be arc；
Axle sleeve, the axle sleeve are sheathed on the screw rod, and the inner surface of the axle sleeve is provided with a plurality of circumferentially
Two grooves, the second groove are formed as the ring-type being closed in the circumferential direction of the screw rod, the edge of the second groove perpendicular to
The section of the plane of the extending direction of the second groove is arc, and the first groove and the second groove are intersected；And
Multiple rollers, between the screw rod and the axle sleeve, the periphery of the roller is provided with the multiple roller
A plurality of convex tooth, every convex thread form become the ring-type being closed in the circumferential direction of the roller, and the convex tooth is along perpendicular to described
The section of the plane of the extending direction of convex tooth is arc, and the convex dental inlay enters the intersection of the first groove and the second groove
Position.
Preferably, the inner peripheral surface of the axle sleeve is provided with the first engaging section, and the outer peripheral surface of the roller is provided with second and nibbles
Conjunction portion can make the roller on the inner peripheral surface of the axle sleeve by first engaging section and second engaging section cooperation
Do pure rolling.
Preferably, the plane where the second groove is vertical with the axial direction of the axle sleeve, where the convex tooth
Plane is vertical with the axial direction of the roller.
Preferably, the convex tooth is embedded in all or part of first groove；And/or
The convex tooth is embedded in all or part of second groove.
Preferably, the first groove and/or the second groove are Gothicism groove.
Preferably, have between any two adjacent second grooves in a plurality of second groove identical or different
Distance.
Preferably, a plurality of first groove lead having the same is so that a plurality of first groove is mutually flat
Row, a plurality of first groove are uniformly or non-uniformly spaced apart in the axial direction of the screw rod.
Preferably, there is between any two adjacent convex teeth identical or different distance in multiple convex teeth.
Preferably, the distance between two adjacent described convex teeth be the first groove screw pitch and/or two it is adjacent
The second groove between distance integral multiple.
Preferably, the planetary roller screw is not provided with the resetting apparatus for resetting the roller and rolls in the planet
In the column lead screw course of work, the roller is fixed relative to the axial position of the axle sleeve.
The planetary roller screw of ring grain axle sleeve matching thread screw rod by adopting the above technical scheme is in planetary roller screw work
During work, convex tooth moves in the second groove of annular closed, fixes roller relative to the axial position of axle sleeve, without multiple
Position device resets.Convex tooth can be engaged with the second groove of the first groove of arc and arc, can increase screw rod and axis is socketed
Contacting surface product increases bearing capacity to improve the impact resistance of planetary roller screw, and runs smooth, long service life.
Detailed description of the invention
Fig. 1 shows the planetary roller screw of ring grain axle sleeve matching thread screw rod according to the first embodiment of the present invention
Partly cut-away structural schematic diagram.
Fig. 2 shows the planetary roller screws of ring grain axle sleeve matching thread screw rod according to the first embodiment of the present invention
Configuration schematic diagram.
Fig. 3 shows the planetary roller screw of ring grain axle sleeve matching thread screw rod according to the first embodiment of the present invention
The cross-sectional view (retainer is not shown) along cross section.
Fig. 4 shows the planetary roller screw of ring grain axle sleeve matching thread screw rod according to the first embodiment of the present invention
Cross-sectional view.
Fig. 5 shows the partial enlarged view of Fig. 4.
Fig. 6 shows the planetary roller screw of ring grain axle sleeve matching thread screw rod according to the second embodiment of the present invention
Partly cut-away structural schematic diagram.
Fig. 7 shows the partial enlarged view of Fig. 6.
Description of symbols
1 screw rod, 11 first groove
2 axle sleeve, 21 second groove, 22 first engaging section
Convex 32 second engaging section of tooth of 3 roller 31
4 retainer, 41 locating slot
A axial direction R radial direction C is circumferential.
Specific embodiment
Exemplary embodiments of the present invention are described with reference to the accompanying drawings.It should be appreciated that these specific descriptions are only used for
How teaching those skilled in the art implement the present invention, rather than all feasible modes that exhaustion is of the invention, without in
It limits the scope of the invention.
First embodiment
As shown in Figures 1 to 5, the present invention provides a kind of planetary roller screw comprising screw rod 1, axle sleeve 2 and roller 3.
Screw rod 1 is generally cylindric, the periphery of screw rod 1 be provided with along hand of helix extend first groove 11, first
Groove 11 can be set a plurality of, it is preferable that the quantity of first groove 11 is greater than or equal to 3, such as first groove 11 can be with
It is 6.6 first grooves 11 can have identical lead and uniformly be spaced apart on the axial A of screw rod 1.First ditch
The edge of slot 11 can be arc perpendicular to the section of the plane of the extending direction of first groove 11.
Axle sleeve 2 is whole can be sheathed on screw rod 1 for cylindrical shape, axle sleeve 2, and the axis of the axis and screw rod 1 of axle sleeve 2 can be
It is overlapped.The inner surface of axle sleeve 2 is provided with a plurality of second groove 21 that circumferentially C extends, for example, the quantity of second groove 21 is big
In or equal to 2.A plurality of second groove 21 is set in parallel to each other.Second groove 21 is formed as the ring-type of closure, second groove
21 edge can be arc perpendicular to the section of the plane of the extending direction of second groove 21.Plane where second groove 21 with
The axial A of axle sleeve 2 can be vertical.
The screw pitch of first groove 11 can be equal to the distance between adjacent two second grooves 21 or first groove 11
Screw pitch can be between the integral multiple or adjacent two second grooves 21 of the distance between adjacent two second grooves 21
Distance can be the integral multiple of the screw pitch of first groove 11.It is to be appreciated that the distance between adjacent two second grooves 21 refer to
Between the distance between the same position of adjacent two second grooves 21, such as the center line of adjacent two second grooves 21 away from
From.For multiple thread, screw pitch is two adjacent the distance between first grooves 11, and screw pitch is equal to lead divided by screw thread
Head number.First groove 11 and second groove 21 are intersected, in this embodiment, every second groove 21 and 6 first groove
11 form crossover location at 6.
Roller 3 is whole can be it is cylindric, roller 3 positioned at screw rod 1 and axle sleeve 2 between, the axis of roller 3 and screw rod 1
Axis is parallel.Roller 3 can be set multiple, it is preferable that the quantity of roller 3 is greater than or equal to 3, such as roller 3 is provided with 6
It is a.It is appreciated that the quantity of roller 3 can be identical as the head number of first groove 11, or less than the head number of first groove 11.It is more
A roller 3 is uniformly spaced apart on the circumferential C of axle sleeve 2.The periphery of roller 3 is provided with a plurality of convex tooth 31 that circumferentially C extends,
Convex tooth 31 is engaged with first groove 11 and convex tooth 31 is engaged with second groove 21, that is to say, that convex tooth 31 is located at first groove
11 and second groove 21 crossover location.The edge of convex tooth 31 can be arc perpendicular to the section of the plane of the extending direction of convex tooth 31
Shape.Plane where convex tooth 31 can be vertical with the axial A of roller 3.Any two adjacent convex teeth in multiple convex teeth 31
Distance having the same between 31, i.e., multiple convex teeth 31 are equably arranged along axial A.The distance between adjacent two convex teeth 31 can
To be equal to the screw pitch of first groove 11.It is to be appreciated that the distance between adjacent two convex teeth 31 refer to adjacent two convex teeth 31
The distance between same position, such as the distance between the center line of adjacent two convex teeth 31.
It is appreciated that the section of convex tooth 31, first groove 11 and second groove 21 is arc, convex tooth 31 is embedded in the first ditch
In slot 11 and second groove 21, screw rod 1 and 2 contact area of axle sleeve can be increased, the shock resistance of planetary roller screw can be improved
Ability increases bearing capacity, prolongs the service life.And no setting is required reset ring (resetting apparatus) in the prior art, so that it may
It in the planetary roller screw course of work, fixes roller 3 relative to the axial position of axle sleeve 2, avoids reset ring and executing
Roller is impacted when reset, reduces vibration and noise, keeps planetary roller screw operation smooth.
Further, first groove 11 and second groove 21 can be Goethe's formula groove (singing special formula groove).Planet is rolled
Column lead screw applies prefastening load appropriate, eliminates axial gap, and planetary roller screw can be made to have preferably rigidity, reach higher
Precision.
The distance between two adjacent convex teeth 31 can be first groove 11 screw pitch and/or two adjacent second ditches
The integral multiple of distance between slot 21, such as one times, twice etc..In this embodiment, between two adjacent convex teeth 31 away from
From the screw pitch for being equal to first groove 11, and the distance between two adjacent convex teeth 31 are equal to two adjacent second grooves 21
Between distance.It is embedded in convex tooth 31 in whole first grooves 11, and is embedded in convex tooth 31 in whole second grooves 21.
Further, planetary roller screw further includes retainer 4, and retainer 4 is generally cylindric, and retainer 4 is sheathed on
Screw rod 1, on radial R, retainer 4 is between screw rod 1 and axle sleeve 2.Retainer 4 is provided with for accommodating the multiple of roller 3
Locating slot 41, locating slot 41 can be for along the strip holes of the axial A of retainer 4 extension.
It is appreciated that convex tooth 31 can be embedded in first groove 11 and compared with the planetary roller screw of the prior art
The crossover location of two grooves 21.And necessarily setting retainer 4 is used for the position of positioning roller 3.
When the rotation of screw rod 1 makes axle sleeve 2 axially A is mobile relative to screw rod 1, screw rod 1, which is applied to 3 frictional force of roller, to be made
Roller 3 around roller 3 axis rotation, although roller 3 can be moved along the first groove 11 of screw rod 1, roller 3 without departing from
Second groove 21 where it, thus, axial A of the roller 3 on the whole with axle sleeve 2 along screw rod 1 is moved.
Second embodiment
The overall structure of planetary roller screw according to the second embodiment of the present invention and the planet of first embodiment
Roller screw is identical.In the present embodiment, identical attached drawing is marked for identical with first embodiment or similar component
Label, and omit detailed description thereof.
As shown in Figure 6 and Figure 7, the present invention provides a kind of planetary roller screw comprising screw rod 1, axle sleeve 2 and roller 3.
Screw rod 1 is generally cylindric, and the periphery of screw rod 1 is provided with the first groove 11 extended along hand of helix.
Axle sleeve 2 is whole can be sheathed on screw rod 1 for cylindrical shape, axle sleeve 2, and the inner surface of axle sleeve 2 is provided with circumferentially C extension
A plurality of second groove 21.Axle sleeve 2 is provided with the first engaging section 22, and the first engaging section 22 is set to the inner peripheral surface of axle sleeve 2, and first
Engaging section 22 can be straight-tooth shape.First engaging section 22 can be located at the part at the axial both ends A of axle sleeve 2.
Roller 3 is whole can be it is cylindric, between screw rod 1 and axle sleeve 2, roller 3 can be set multiple roller 3.
The periphery of roller 3 is provided with a plurality of convex tooth 31 that circumferentially C extends, and convex tooth 31 is engaged with first groove 11 and convex tooth 31 and the
The engagement of two grooves 21.
Roller 3 is provided with the second engaging section 32, and the second engaging section 32 is set to the periphery of roller 3, and the second engaging section 32 can
To be the straight-tooth shape that can be engaged with the first engaging section 22.Second engaging section 32 can be set in the portion at the axial both ends A of roller 3
Point, the second engaging section 32 is formed in convex tooth 31, cooperate the second engaging section 32 can both with the first engaging section 22, can also be with the
The cooperation of one groove 11.
By the cooperation of the first engaging section 22 and the second engaging section 32, roller 3 can be made to do on the inner peripheral surface of axle sleeve 2 pure
It rolls, roller 3 will not slide in second groove 21, not generate sliding between roller 3 and axle sleeve 2, and then make planetary roller silk
The transmission accuracy of bar improves.
Although the specific technical solution of the present invention is set forth in the above specific embodiment, also
It should be understood that
(1) in the above-described embodiment, a plurality of first groove 11 is uniformly spaced apart on the axial A of screw rod 1.However this
Invent it is without being limited thereto, can with a plurality of first groove 11 lead having the same and a plurality of first groove 11 screw rod 1 axis
It is non-uniform on A to be spaced apart, make adjacent the distance between two first grooves 11 can be unequal.
(2) in the above-described embodiment, have between any two adjacent second grooves 21 in a plurality of second groove 21
Identical distance.However the invention is not limited thereto, it can between any two adjacent second grooves 21 in a plurality of second groove 21
With different distances.For example, at a distance from certain the second groove another second groove adjacent with its axial direction side A and
It can be different at a distance from this certain the second groove another second groove adjacent with its axial direction other side A.
(3) in the above-described embodiment, in multiple convex teeth 31 between any two adjacent convex teeth 31 it is having the same away from
From that is, multiple convex teeth 31 are equably arranged along axial A.However the invention is not limited thereto, in multiple convex teeth any two it is adjacent
There can also be different distance between convex tooth, i.e., multiple convex teeth are unevenly arranged along axial direction A.
(4) in the above-described embodiment, convex tooth 31, and whole second grooves 21 are embedded in whole first grooves 11
The middle convex tooth 31 of insertion.However the invention is not limited thereto, can also be embedded in convex tooth in the first groove of part, such as first groove is set
6 are set, roller, which is arranged in 3 and/or partial second groove, is embedded in convex tooth, such as the distance of adjacent two convex teeth is
The integral multiple of adjacent two second grooves.
(5) in the above-described embodiment, multiple rollers 3 are uniformly spaced apart on the circumferential C of axle sleeve 2.However it is of the invention
It is without being limited thereto, it can be spaced apart so that multiple rollers 3 are non-uniform on the circumferential C of axle sleeve 2, such as first groove is arranged 8, rolling
Column is arranged 3.
(6) in the above-described embodiment, can be can be mutually matched straight for the first engaging section 22 and the second engaging section 32
Dentation, however the invention is not limited thereto, the first engaging section 22 and the second engaging section 32 can also be helical teeth shape.
Claims (10)
1. a kind of planetary roller screw of ring grain axle sleeve matching thread screw rod, which is characterized in that the planetary roller screw includes:
Screw rod, the periphery of the screw rod are provided with a plurality of first groove extended along hand of helix, the edge of the first groove
Section perpendicular to the plane of the extending direction of the first groove is arc；
Axle sleeve, the axle sleeve are sheathed on the screw rod, and the inner surface of the axle sleeve is provided with a plurality of the second ditch circumferentially
Slot, the second groove are formed as the ring-type being closed in the circumferential direction of the screw rod, and the edge of the second groove is perpendicular to described
The section of the plane of the extending direction of second groove is arc, and the first groove and the second groove are intersected；And
Multiple rollers, between the screw rod and the axle sleeve, the periphery of the roller is provided with a plurality of the multiple roller
Convex tooth, every convex thread form become the ring-type being closed in the circumferential direction of the roller, and the convex tooth is along perpendicular to the convex tooth
The section of plane of extending direction be arc, the convex dental inlay enters the intersection position of the first groove and the second groove
It sets.
2. the planetary roller screw of ring grain axle sleeve matching thread screw rod according to claim 1, which is characterized in that the axis
The inner peripheral surface of set is provided with the first engaging section, and the outer peripheral surface of the roller is provided with the second engaging section, engages by described first
Portion and second engaging section cooperation can make the roller do pure rolling on the inner peripheral surface of the axle sleeve.
3. the planetary roller screw of ring grain axle sleeve matching thread screw rod according to claim 1, which is characterized in that described
Plane where two grooves with the axial direction of the axle sleeve be it is vertical, the axial direction of plane and the roller where the convex tooth is
Vertical.
4. the planetary roller screw of ring grain axle sleeve matching thread screw rod according to claim 1, which is characterized in that all or
The convex tooth is embedded in the partial first groove；And/or
The convex tooth is embedded in all or part of second groove.
5. the planetary roller screw of ring grain axle sleeve matching thread screw rod according to claim 1, which is characterized in that described
One groove and/or the second groove are Gothicism groove.
6. the planetary roller screw of ring grain axle sleeve matching thread screw rod according to claim 1, which is characterized in that a plurality of institute
Stating has identical or different distance between any two adjacent second grooves in second groove.
7. the planetary roller screw of ring grain axle sleeve matching thread screw rod according to claim 1, which is characterized in that a plurality of institute
First groove lead having the same is stated so that a plurality of first groove is parallel to each other, a plurality of first groove is in institute
It states and is uniformly or non-uniformly spaced apart in the axial direction of screw rod.
8. the planetary roller screw of ring grain axle sleeve matching thread screw rod according to claim 1, which is characterized in that Duo Gesuo
Stating has identical or different distance between any two adjacent convex teeth in convex tooth.
9. the planetary roller screw of ring grain axle sleeve matching thread screw rod according to claim 1, which is characterized in that two phases
Adjacent the distance between the convex tooth is distance between the screw pitch and/or two adjacent second grooves of the first groove
Integral multiple.
10. the planetary roller screw of ring grain axle sleeve matching thread screw rod according to claim 1, which is characterized in that described
Planetary roller screw is not provided with the resetting apparatus for resetting the roller and in the planetary roller screw course of work, institute
The axial position that roller is stated relative to the axle sleeve is fixed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910045743.3A CN109667907A (en) | 2019-01-17 | 2019-01-17 | The planetary roller screw of ring grain axle sleeve matching thread screw rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910045743.3A CN109667907A (en) | 2019-01-17 | 2019-01-17 | The planetary roller screw of ring grain axle sleeve matching thread screw rod |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109667907A true CN109667907A (en) | 2019-04-23 |
Family
ID=66150433
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910045743.3A Pending CN109667907A (en) | 2019-01-17 | 2019-01-17 | The planetary roller screw of ring grain axle sleeve matching thread screw rod |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109667907A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113819204A (en) * | 2021-08-11 | 2021-12-21 | 北京自动化控制设备研究所 | Small-size high-bearing planetary roller screw |
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| US20160091068A1 (en) * | 2014-09-29 | 2016-03-31 | Aktiebolaget Skf | Roller screw mechanism with integrated ring gears and associated manufacturing method |
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2019
- 2019-01-17 CN CN201910045743.3A patent/CN109667907A/en active Pending
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| US20050160856A1 (en) * | 2003-04-24 | 2005-07-28 | Toyota Jidosha Kabushiki Kaisha | Planetary differential screw type rotary/linear motion converter |
| JP2008309218A (en) * | 2007-06-13 | 2008-12-25 | Nsk Ltd | Screw device |
| US20130152716A1 (en) * | 2011-12-16 | 2013-06-20 | Aktiebolaget Skf | Roller screw |
| CN104110474A (en) * | 2013-04-19 | 2014-10-22 | Skf公司 | Roller screw mechanism |
| US20160091068A1 (en) * | 2014-09-29 | 2016-03-31 | Aktiebolaget Skf | Roller screw mechanism with integrated ring gears and associated manufacturing method |
| WO2017025118A1 (en) * | 2015-08-07 | 2017-02-16 | Aktiebolaget Skf | Roller screw mechanism with cage |
| CN106763602A (en) * | 2017-01-16 | 2017-05-31 | 程春林 | A kind of multiple thread planetary spindle drive |
| CN209511043U (en) * | 2019-01-17 | 2019-10-18 | 苏春光 | Planetary roller screw |
Non-Patent Citations (1)
| Title |
|---|
| 李卫平: "运动控制系统原理与应用", 华中科技大学出版社, pages: 245 * |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113819204A (en) * | 2021-08-11 | 2021-12-21 | 北京自动化控制设备研究所 | Small-size high-bearing planetary roller screw |
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