CN105570410A - Multi-line planetary traction and transmission type speed reducing bearing - Google Patents
Multi-line planetary traction and transmission type speed reducing bearing Download PDFInfo
- Publication number
- CN105570410A CN105570410A CN201610125220.6A CN201610125220A CN105570410A CN 105570410 A CN105570410 A CN 105570410A CN 201610125220 A CN201610125220 A CN 201610125220A CN 105570410 A CN105570410 A CN 105570410A
- Authority
- CN
- China
- Prior art keywords
- inner ring
- rolling element
- outer ring
- rolling bodies
- speed reduction
- 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.)
- Granted
Links
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
- F16H13/00—Gearing for conveying rotary motion with constant gear ratio by friction between rotary members
- F16H13/06—Gearing for conveying rotary motion with constant gear ratio by friction between rotary members with members having orbital motion
- F16H13/08—Gearing for conveying rotary motion with constant gear ratio by friction between rotary members with members having orbital motion with balls or with rollers acting in a similar manner
-
- 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
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C19/00—Bearings with rolling contact, for exclusively rotary movement
- F16C19/54—Systems consisting of a plurality of bearings with rolling friction
- F16C19/546—Systems with spaced apart rolling bearings including at least one angular contact bearing
-
- 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
- F16H57/00—General details of gearing
- F16H57/08—General details of gearing of gearings with members having orbital motion
- F16H57/082—Planet carriers
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Friction Gearing (AREA)
Abstract
The invention discloses a multi-line planetary traction and transmission type speed reducing bearing. An inner ring, an outer ring and rolling bodies of the speed reducing bearing form a planetary traction and transmission gear train jointly and serve as a sun gear, an outer ring and a planetary gear of the planetary traction and transmission gear train correspondingly. According to the planetary traction and transmission type speed reducing bearing, radial supporting of a shaft is achieved by means of the positive pressure between the contact surfaces of the inner ring, the rolling bodies and the outer ring, and movement and power are transmitted by means of the friction force between the contact surfaces of the inner ring, the rolling bodies and the outer ring. The speed reducing bearing integrates the speed reducing function and the bearing function, and at least two lines of rolling bodies are arranged in the axial direction. An intermediate planetary carrier is arranged between every two adjacent lines of rolling bodies, wherein wheel shafts of the two adjacent lines of rolling bodies are connected through the intermediate planetary carrier. The rolling bodies in every two adjacent lines are evenly arranged in a staggered mode in the circumferential direction. According to the speed reducing bearing, the multiple lines of rolling bodies rotate, so that the contact between the rolling bodies, the inner ring and the outer ring is uniform in the circumferential direction and the axial direction, an inner ring shaft can be well supported, and the contact stress of the rolling bodies in the working process can be reduced; meanwhile, the torsional rigidity of a shaft system of the rolling bodies is high so that the torsional deviation of the shaft system of the rolling bodies can be effectively reduced in the transmission process, the situation that a speed reducer is disturbed or gets stuck during the transmission work can be effectively avoided, and the transmission quality and efficiency are improved.
Description
Technical field
The present invention relates to planetary reducer field, specifically a kind of multiple row planet Traction Drive speed reduction bearing.
Background technique
In existing planet traction retarder, can utilize the frictional force transmission campaign between sun gear, planet wheel, outer ring surface of contact and power, realize epicyclic friction gear transmission, this retarder is because its structure is simple, smooth running, overload such as can be skidded at the advantage, has larger application.Whether have oiling agent according between surface of contact, be divided into again wet friction and dry friction transmission, often transmission efficiency is low, transmitted power is less in dry friction transmission.And the sun gear in wet friction transmission, planet wheel, outer ring is through Surface hardening treatment, and be operated in the very high oiling agent of pressure viscosity exponent, contact area under high pressure produces the very high composite lubricating film of shearing strength, it is made to be in elastohydrodynamic behaviour state, very large traction will be produced, thus raising transmitted power, reduce fretting wear simultaneously, raise the efficiency and working life, sun gear and the planetary gear set envelope race diameter altogether of this planet traction retarder are a bit larger tham outer ring internal diameter, namely there is certain assembling magnitude of interference, assembling rear sun gear and planet wheel will produce certain compressive strain, outer ring then produces dilatancy, thus the impacting force produced needed for epicyclic friction gear transmission, such speed reducer is extremely simple and be easy to manufacturing.In prior art, for increasing the velocity ratio of planet traction retarder, then need the diameter ratio increasing planet wheel and sun gear, like this due to geometrical interference, the planet wheel quantity as bearing roller of arranging reduces, the radial support point of outer ring and sun gear will tail off and sparse, on the other hand, increase transmitting torque, then need to increase impacting force, for ensureing that the stress of its surface of contact is no more than the ultimate strength of its material, sun gear certainly will be increased again, planet wheel, the axial length of outer ring, from and surface contact can be caused uneven, planet wheel torsional deflection, sun gear will be destroyed further, planet wheel, the surface contact engagement of outer ring, and cause high speed rotating process be hit by a bullet stream composite lubricating film radial velocity loss, thus lower efficiency, solve a kind of mode of this problem for planet wheel is set to multiple row, thus increase the area of contact of planet wheel and outer ring and sun gear, multiple row planet wheel is exported by a planet axis connected row carrier, the retarder of this structural type is when transmission, planet carrier bears reaction torque, thus apply a moment of torsion to planet wheel shaft, and then make planet wheel shaft axis and sun gear axis not parallel, and form a drift angle, under identical drift angle condition, the length of planet wheel shaft is longer, its side-play amount is larger, so just easily make planet wheel shaft produce to interfere, even stuck, retarder craftmanship and efficiency is finally caused to reduce, even damage.
Therefore, for overcoming the above problems, need a kind of multiple row planet Traction Drive speed reduction bearing, utilize the positive pressure between inner ring, rolling element, outer ring surface of contact to carry out the radial support of axle, utilize the frictional force between inner ring, rolling element, outer ring surface of contact to carry out transmission campaign and power; This speed reduction bearing integrates deceleration and bearing function, this bearing adopts multiple row rolling element to rotate, thus make that rolling element and inner ring to contact with outer ring on circumferential and axial evenly, inner ring axle can obtain good supporting and reduce the contact stress in rolling element work, simultaneously, its rolling element shafting structure torsional stiffness is higher, rolling element axle can be effectively reduced and tie up to torsion side-play amount in transmission process, effectively avoid retarder to interfere in transmission work or stuck, improve transmission quality and efficiency.
Summary of the invention
In view of this, the object of the invention is to overcome defect of the prior art, a kind of multiple row planet Traction Drive speed reduction bearing is provided, this speed reduction bearing utilizes the positive pressure between inner ring, rolling element, outer ring surface of contact to carry out the radial support of axle, utilizes the frictional force between inner ring, rolling element, outer ring surface of contact to carry out transmission campaign and power; Therefore, this speed reduction bearing integrates deceleration and bearing function, simultaneously, this speed reduction bearing adopts multiple row rolling element to rotate, thus the contact stress reduced in rolling element work, meanwhile, its rolling element shafting structure torsional stiffness is higher, rolling element axle can be effectively reduced and tie up to torsion side-play amount in transmission process, effectively avoid retarder to interfere at work or stuck and reduce craftmanship and efficiency.
Multiple row planet Traction Drive speed reduction bearing of the present invention, comprises inner ring, outer ring and rolling element; Described inner ring, outer ring and rolling element form planet Traction Drive train and the corresponding sun gear as planet Traction Drive train of difference, outer ring and planet wheel jointly; Described rolling element is provided with at least two row vertically and is coordinated with inner ring and outer ring by the mode of friction driving, is provided with the middle planetary frame for connecting rolling element wheel shaft between adjacent two row rolling elements;
Further, often arrange described rolling element to be evenly distributed with multiple and adjacent two row rolling elements along inner ring circumference and to be circumferentially evenly crisscross arranged;
Further, described middle planetary frame comprises discoid support body and is circumferentially distributed in the fixed hole for coordinating with rolling element wheel shaft on described support body;
Further, described rolling element is arranged between outer ring and inner ring in an interference fit, for generation of the positive pressure of friction driving;
Further, described middle planetary frame end face is circumferentially distributed with multiple boss of having one-body molded with it, and described fixed hole is arranged in boss, for increasing the length of thread engagement of rolling element wheel shaft and middle planetary frame;
Further, described outer ring is circumferentially provided with LOAD REDUCING SLOT and this LOAD REDUCING SLOT is distributed between adjacent two row rolling elements;
Multiple row planet Traction Drive speed reduction bearing of the present invention also comprises takes turns shaft-driven output planetary frame by rolling element; Described output planetary frame is rotatably assorted in inner ring;
Further, axial two ends, described outer ring are fixedly connected with left end cap and right end cap respectively, and described left end cap and right end cap form axial limiting to inner ring and output planetary frame and are rotatably assorted respectively;
Further, described left end cap and right end cap form axial limiting respectively by the angular contact bearing of correspondence to inner ring and output planetary frame and are rotatably assorted, described inner ring outer ring circularizes boss, and between the left side of described annular boss and inner ring cylindrical, rounding off forms the ring raceway of angular contact bearing;
Further, described output planetary frame is T-shaped axle construction, and major part and the rolling element wheel shaft of T-shaped axle construction are in transmission connection, microcephaly's outputting power of T-shaped axle construction; Major part left side and inner ring right side offset and are rotatably assorted, and major part right side and right end cap offset and be rotatably assorted.
The invention has the beneficial effects as follows: multiple row planet Traction Drive speed reduction bearing of the present invention, utilize inner ring, rolling element, positive pressure between the surface of contact of outer ring carries out the radial support of axle, utilize inner ring, rolling element, frictional force between the surface of contact of outer ring carries out transmission campaign and power, thus realize epicyclic friction gear transmission and bearing function, this speed reduction bearing integrates deceleration and bearing function, can use as retarder and bearing simultaneously, it can apply to not only need supporting revolving shaft but also need to realize in the device (as wheel hub motor etc.) of deceleration, thus saving number of bearings, greatly simplify the structure of such device, in addition, compare the speed reduction bearing adopting gear transmission mode, it is simple that this planet Traction Drive speed reduction bearing has structure, supporting smooth running, during transmission, overload such as can be skidded at the advantage, inner ring of the present invention is not limited to traditional hollow tubular structure, inner ring also can adopt solid shaft structure, when inner ring is the axle sleeve structure of tubular, spline can be set in axle sleeve or adopt the modes such as interference fit to coordinate with input shaft transmission, when inner ring is solid shaft structure, this solid shaft can be used as input shaft, the inner ring of this structure is adopted to be conducive to simplifying the structure of this speed reduction bearing, inner ring of the present invention, rolling element, friction driving between the surface of contact of outer ring should preferably wet friction transmission, namely between frictional contact surface, oiling agent is added with, thus raising transmitted power, reduce fretting wear simultaneously, raise the efficiency and working life, in addition, rolling element arranges multiple row vertically, make rolling element and the contact between cylindrical and inner ring comparatively even, reduce the contact stress of rolling element, thus effectively improve the load capacity of retarder, on the other hand, because the rolling element wheel shafts of adjacent two row are separate and be fixed on middle planetary frame, this structural type effectively shortens the length of single rolling element wheel shaft, therefore its structural rigidity is stronger, simultaneously, because the rigidity of middle planetary frame is larger, can be similar to and be considered as rigid body, guarantee that the shaft part that each rolling element wheel shaft and middle planetary frame connect is parallel with inner ring axis, therefore, often the side-play amount of the stressed rear generation of row rolling element wheel shaft can not be accumulated on the rolling element wheel shaft of next column, finally avoid rolling element wheel shaft because of side-play amount excessive generation interference or stuck.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the invention will be further described:
Fig. 1 is structural representation of the present invention;
Fig. 2 is sectional view of the present invention;
Fig. 3 is explosive view of the present invention;
Fig. 4 is the assembling schematic diagram of middle planetary frame of the present invention;
Fig. 5 is the structural representation of middle planetary frame of the present invention.
Embodiment
Fig. 1 is structural representation of the present invention, and as shown in the figure, the multiple row planet Traction Drive speed reduction bearing of the present embodiment, comprises inner ring 8, outer ring 5 and rolling element 2, described inner ring 8, outer ring 5 and rolling element 2 form planet Traction Drive train and the corresponding sun gear as planet Traction Drive train of difference, outer ring and planet wheel jointly, described rolling element 2 is provided with at least two row vertically and is coordinated with inner ring 8 and outer ring 5 by the mode of friction driving, is provided with the middle planetary frame 3 for connecting rolling element wheel shaft between adjacent two row rolling elements 2, according to common practise, planet wheel shaft and planet wheel are rotatably assorted, and rolling element wheel shaft is namely as the planet wheel shaft of planet Traction Drive train, therefore, rolling element wheel shaft and rolling element axle are rotatably assorted, the speed reduction bearing of the present embodiment utilizes inner ring 8, rolling element 2, positive pressure between the surface of contact of outer ring 5 carries out the radial support of axle, utilize inner ring 8, rolling element 2, frictional force between the surface of contact of outer ring 5 carries out transmission campaign and power, thus realize epicyclic friction gear transmission and bearing function, this speed reduction bearing integrates deceleration and bearing function, it is simple that this speed reduction bearing has structure, smooth running, the advantage that overload can be skidded, the inner ring 8 of the present embodiment is not limited to traditional hollow tubular structure, inner ring 8 also can adopt solid shaft structure, when inner ring 8 is the axle sleeve structure of tubular, spline can be set in axle sleeve or adopt the modes such as interference fit to coordinate with input shaft transmission, when inner ring is solid shaft structure, this solid shaft can be used as input shaft, the inner ring of this structure is adopted to be conducive to simplifying the structure of this speed reduction bearing, in addition, for increasing the transmission capacity of friction traction, rolling element 2 needs higher impacting force with inner ring 8 and outer ring 5, therefore, rolling element 2 arranges multiple row vertically, make rolling element 2 and the contact between cylindrical and inner ring 8 comparatively even, reduce the contact stress of rolling element 2, thus effectively improve the load capacity of retarder, on the other hand, because the rolling element wheel shaft of adjacent two row is connected on middle planetary frame 3, this structural type effectively shortens the length of single rolling element wheel shaft, therefore its structural rigidity is comparatively simultaneously strong, middle planetary frame 3 can adopt the structural type that rigidity is larger, it can be similar to and be considered as rigid body, guarantee the shaft part that each rolling element wheel shaft is connected with middle planetary frame 3 and inner ring 8 axis being parallel, therefore, often the side-play amount of the stressed rear generation of row rolling element wheel shaft can not be accumulated on the rolling element wheel shaft of next column, finally avoid rolling element wheel shaft because of side-play amount excessive generation interference or stuck, certainly, also by the assembling magnitude of interference of the friction factor or every row rolling element 2 that regulate often row rolling element 2 surface of contact, the friction factor of each row rolling element 2 rubbing surface is increased by column towards Power output side, or make rolling element 2 assemble magnitude of interference to increase by column towards Power output side, thus avoid rolling element wheel shaft stuck.
In the present embodiment, the rolling element wheel shaft of the described rolling element 2 of each row is separate; Often arrange described rolling element 2 to be evenly distributed with multiple and adjacent two row rolling elements 2 along inner ring 8 circumference and to be circumferentially crisscross arranged, in the present embodiment, often row rolling element 2 is 6, adjacent two row rolling elements 2 circumferentially deflect 30 °, this arrangement can improve the density of rolling element 2 along inner ring 8 circumference, make the stressed of outer ring 5 with distortion evenly, transmission is more steady.
In the present embodiment, described middle planetary frame 3 comprises discoid support body and is circumferentially distributed in the fixed hole 10 for coordinating with rolling element wheel shaft on described support body, this fixed hole 10 is uniformly distributed for coordinating with the adjacent two row rolling element wheel shafts be circumferentially crisscross arranged along discoid support body circumference, in the present embodiment, fixed hole 10 is distributed with 12 along middle planetary frame 3 circumference, the rolling element wheel of middle planetary frame 3 both sides is shaft staggered to be assemblied in rolling element wheel shaft fixed hole 10, the reducer assemblies of the present embodiment is when assembling, each row rolling element 2 can be assembled step by step, and single shaft multiple row rolling element 2 structure is at assembling roller, when retainer, difficulty is larger, therefore, the present embodiment adopts the structure of multiple row rolling element 2 can effectively simplify its assembly technology.
In the present embodiment, described rolling element 2 is arranged between outer ring 5 and rolling element 2 in an interference fit, the reducer assemblies of the present embodiment is when assembling, envelope outer ring 5 diameter after inner ring 8 and rolling element 2 combine should be a bit larger tham the internal diameter of outer ring 5, namely there is the assembling of certain magnitude of interference, inner ring 8 after assembling and rolling element 2 will produce certain compressive strain, and outer ring 5 produces dilatancy, thus the impacting force that generation rolling element 2 rubs needed for Traction Drive, when adopting wet friction transmission between rolling element 2 and cylindrical and inner ring 8, inner ring 8, rolling element 2, surface, outer ring 5 should through Surface hardening treatment, can be operated in the very high oiling agent of pressure viscosity value index number after three compresses mutually, contact area under high pressure produces the very high lubricant film of shearing strength, this lubricant film is utilized to produce frictional traction, thus raising transmission power, reduce fretting wear simultaneously.
In the present embodiment, described middle planetary frame 3 end face is circumferentially distributed with multiple boss 11 of having one-body molded with it, described fixed hole 10 is arranged in boss 11, for reducing the spacing of adjacent two row rolling elements 2, the disk of thin wall part that middle planetary frame 3 can adopt axial dimension less, but, for ensureing the rigidity of rolling element wheel shaft, need the length of thread engagement increasing rolling element wheel shaft and rolling element wheel shaft fixed hole 10, therefore, middle planetary frame 3 end face arranges boss 11 and rolling element wheel shaft fixed hole 10 is arranged at boss 11 position, the support stiffness of rolling element wheel shaft can be significantly improved, reduce it by the bending side-play amount after moment of flexure.
In the present embodiment, described outer ring 5 is circumferentially provided with LOAD REDUCING SLOT 4 and this LOAD REDUCING SLOT 4 is distributed between adjacent two row rolling elements 2, outer ring 5 by LOAD REDUCING SLOT 4 be divided into multiple can outer ring 5 sections of independent deformation, each outer ring 5 sections coordinates transmission with an independent row rolling element 2, when the diameter of each row rolling element 2 exists error, outer ring 5 can compatible deformation closely cooperating with each row rolling element 2.
The multiple row planet Traction Drive speed reduction bearing of the present embodiment also comprises takes turns shaft-driven output planetary frame 7 by rolling element, described output planetary frame 7 rotatably coordinates with inner ring 8, output planetary frame 7 can arrange the structure such as spline or coupling and output shaft is in transmission connection, and certainly, output planetary frame 7 and output shaft also can be integrally formed, thus simplify the structure of its link position, when this planet speed reduction bearing needs to realize slowing down, can power be accepted by inner ring 8 and be outputed power by output planetary frame 7, certainly, when this planet speed reduction bearing needs to realize speedup, should power be accepted by output planetary frame 7 and be exported by inner ring 8, the inner ring 8 of this planet speed reduction bearing can be held out against by output planetary frame 7 and carry out axial limiting after mounting, and due to speed reduction bearing in the running, the rotating speed of its inner ring 8 is by the rotating speed higher than output planetary frame 7, therefore, inner ring 8 end face with sliding bearing can be set between output planetary frame 7 realize rotatably coordinating, or raceway is set and ball is installed on inner ring 8 with output planetary frame 7 end face and realize being rotatably assorted, in the present embodiment, the rolling element wheel shaft of left column can be connected on a maintenance planet carrier 9, this maintenance planet carrier 9 is conducive to the torsional stiffness of the rolling element wheel shaft improving left column further.
In the present embodiment, axial two ends, described outer ring 5 are fixedly connected with left end cap 1 and right end cap 6 respectively, and described left end cap 1 and right end cap 6 form axial limiting to inner ring 8 and output planetary frame 7 and are rotatably assorted respectively, left end cap 1 and right end cap 6 are fixed by screw and outer ring 5, inner ring 8 and output planetary frame 7 vertically by left end cap 1 and right end cap 6 are inwardly clamped and locate, due between inner ring 8 and left end cap 1, to relatively rotate in the running between output planetary frame 7 and right end cap 6, therefore, between inner ring 8 and left end cap 1, can realize being rotatably assorted by roller between planet carrier and right end cap 6, to reduce wearing and tearing.
In the present embodiment, described left end cap 1 and right end cap 6 form axial limiting respectively by angular contact bearing 12 pairs of inner rings 8 of correspondence and output planetary frame 7 and are rotatably assorted, described inner ring 8 outer ring circularizes boss, between the left side of described annular boss and inner ring 8 cylindrical, rounding off forms the ring raceway of angular contact bearing 12, therefore, the annular boss of the inner ring 8 of speed reduction bearing is simultaneously as the inner ring of angular contact bearing 12, and left end cap 1 is simultaneously as the outer ring of angular contact bearing 12, thus simplify the structure of this speed reduction bearing.
In the present embodiment, described output planetary frame 7 is T-shaped axle construction, and major part and the rolling element wheel shaft of T-shaped axle construction are in transmission connection, microcephaly's outputting power of T-shaped axle construction; Major part left side and inner ring right side offset and are rotatably assorted, major part right side and right end cap offset and are rotatably assorted, the left side of major part and right side all can arrange raceway, and roller is installed makes between major part left side and inner ring 8 right side, realize between major part right side and right end cap 6 being rotatably assorted.
What finally illustrate is, above embodiment is only in order to illustrate technological scheme of the present invention and unrestricted, although with reference to preferred embodiment to invention has been detailed description, those of ordinary skill in the art is to be understood that, can modify to technological scheme of the present invention or equivalent replacement, and not departing from aim and the scope of technical solution of the present invention, it all should be encompassed in the middle of right of the present invention.
Claims (10)
1. a multiple row planet Traction Drive speed reduction bearing, is characterized in that: comprise inner ring, outer ring and rolling element; Described inner ring, outer ring and rolling element form planet Traction Drive train and the corresponding sun gear as planet Traction Drive train of difference, outer ring and planet wheel jointly; Described rolling element is provided with at least two row vertically and is coordinated with inner ring and outer ring by the mode of friction driving, is provided with the middle planetary frame for connecting rolling element wheel shaft between adjacent two row rolling elements.
2. multiple row planet Traction Drive speed reduction bearing according to claim 1, is characterized in that: often arrange described rolling element and be evenly distributed with multiple and adjacent two row rolling elements along inner ring circumference and be circumferentially evenly crisscross arranged.
3. multiple row planet Traction Drive speed reduction bearing according to claim 1, is characterized in that: described middle planetary frame comprises discoid support body and is circumferentially distributed in the fixed hole for coordinating with rolling element wheel shaft on described support body.
4. multiple row planet Traction Drive speed reduction bearing according to claim 1, is characterized in that: described rolling element is arranged between outer ring and inner ring in an interference fit, for generation of the positive pressure of friction driving.
5. multiple row planet Traction Drive speed reduction bearing according to claim 3, it is characterized in that: described middle planetary frame end face is circumferentially distributed with multiple boss of having one-body molded with it, described fixed hole is arranged in boss, for increasing the length of thread engagement of rolling element wheel shaft and middle planetary frame.
6. multiple row planet Traction Drive speed reduction bearing according to claim 3, is characterized in that: described outer ring is circumferentially provided with LOAD REDUCING SLOT and this LOAD REDUCING SLOT is distributed between adjacent two row rolling elements.
7. multiple row planet Traction Drive speed reduction bearing according to claim 1, is characterized in that: also comprise and take turns shaft-driven output planetary frame by rolling element; Described output planetary frame is rotatably assorted in inner ring.
8. multiple row planet Traction Drive speed reduction bearing according to claim 7, it is characterized in that: axial two ends, described outer ring are fixedly connected with left end cap and right end cap respectively, and described left end cap and right end cap form axial limiting to inner ring and output planetary frame and are rotatably assorted respectively.
9. multiple row planet Traction Drive speed reduction bearing according to claim 8, it is characterized in that: described left end cap and right end cap form axial limiting respectively by the angular contact bearing of correspondence to inner ring and output planetary frame and are rotatably assorted, described inner ring outer ring circularizes boss, and between the left side of described annular boss and inner ring cylindrical, rounding off forms the ring raceway of angular contact bearing.
10. multiple row planet Traction Drive speed reduction bearing according to claim 1, is characterized in that: described output planetary frame is T-shaped axle construction, and major part and the rolling element wheel shaft of T-shaped axle construction are in transmission connection, microcephaly's outputting power of T-shaped axle construction; Major part left side and inner ring right side offset and are rotatably assorted, and major part right side and right end cap offset and be rotatably assorted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610125220.6A CN105570410B (en) | 2016-03-04 | 2016-03-04 | Multiple row planet Traction Drive speed reduction bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610125220.6A CN105570410B (en) | 2016-03-04 | 2016-03-04 | Multiple row planet Traction Drive speed reduction bearing |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105570410A true CN105570410A (en) | 2016-05-11 |
| CN105570410B CN105570410B (en) | 2018-11-23 |
Family
ID=55880884
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610125220.6A Active CN105570410B (en) | 2016-03-04 | 2016-03-04 | Multiple row planet Traction Drive speed reduction bearing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105570410B (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106641197A (en) * | 2016-12-29 | 2017-05-10 | 重庆德运模具制造有限公司 | Vertical speed reducer capable of flexibly or rigidly propping transmission shaft |
| CN109306599A (en) * | 2017-07-28 | 2019-02-05 | 青岛海尔洗衣机有限公司 | A kind of design method of washing machine anticollision barrel |
| CN109372963A (en) * | 2018-11-23 | 2019-02-22 | 重庆大学 | More channel-type planet Traction Drive bearing type speed reducers |
| CN109538704A (en) * | 2018-11-23 | 2019-03-29 | 重庆大学 | Planet Traction Drive bearing type integration deceleration wheel hub |
| CN110594363A (en) * | 2019-08-23 | 2019-12-20 | 重庆大学 | Traction type robot speed reducer |
| CN111457066A (en) * | 2020-04-09 | 2020-07-28 | 重庆大学 | Bearing type traction speed reducer |
| CN111516002A (en) * | 2020-06-23 | 2020-08-11 | 北京哈崎机器人科技有限公司 | Joint unit and joint module of robot and foot type robot with joint unit and joint module |
| CN114357846A (en) * | 2022-03-16 | 2022-04-15 | 中国华能集团清洁能源技术研究院有限公司 | Wind power gearbox bearing fault identification method and system |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06117509A (en) * | 1992-10-08 | 1994-04-26 | Koyo Seiko Co Ltd | Differential type planetary roller power transmission |
| JPH11193854A (en) * | 1998-01-06 | 1999-07-21 | Koyo Seiko Co Ltd | Planetary roller type power transmission device |
| JP2002181148A (en) * | 2000-12-12 | 2002-06-26 | Koyo Seiko Co Ltd | Friction roller type transmission |
| CN201696488U (en) * | 2010-01-21 | 2011-01-05 | 罗星健 | Decelerating bearing |
| CN203362815U (en) * | 2013-07-01 | 2013-12-25 | 大连冶金轴承股份有限公司 | Special bearing for cold-rolled sheet supporting roller |
| CN104061295A (en) * | 2014-05-29 | 2014-09-24 | 温岭市天工工量刃具科技服务中心有限公司 | Friction planetary reducer |
-
2016
- 2016-03-04 CN CN201610125220.6A patent/CN105570410B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06117509A (en) * | 1992-10-08 | 1994-04-26 | Koyo Seiko Co Ltd | Differential type planetary roller power transmission |
| JPH11193854A (en) * | 1998-01-06 | 1999-07-21 | Koyo Seiko Co Ltd | Planetary roller type power transmission device |
| JP2002181148A (en) * | 2000-12-12 | 2002-06-26 | Koyo Seiko Co Ltd | Friction roller type transmission |
| CN201696488U (en) * | 2010-01-21 | 2011-01-05 | 罗星健 | Decelerating bearing |
| CN203362815U (en) * | 2013-07-01 | 2013-12-25 | 大连冶金轴承股份有限公司 | Special bearing for cold-rolled sheet supporting roller |
| CN104061295A (en) * | 2014-05-29 | 2014-09-24 | 温岭市天工工量刃具科技服务中心有限公司 | Friction planetary reducer |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106641197A (en) * | 2016-12-29 | 2017-05-10 | 重庆德运模具制造有限公司 | Vertical speed reducer capable of flexibly or rigidly propping transmission shaft |
| CN106641197B (en) * | 2016-12-29 | 2023-03-31 | 重庆完镁镁制品有限公司 | Vertical speed reducer capable of flexibly or rigidly jacking transmission shaft |
| CN109306599A (en) * | 2017-07-28 | 2019-02-05 | 青岛海尔洗衣机有限公司 | A kind of design method of washing machine anticollision barrel |
| CN109372963A (en) * | 2018-11-23 | 2019-02-22 | 重庆大学 | More channel-type planet Traction Drive bearing type speed reducers |
| CN109538704A (en) * | 2018-11-23 | 2019-03-29 | 重庆大学 | Planet Traction Drive bearing type integration deceleration wheel hub |
| CN110594363A (en) * | 2019-08-23 | 2019-12-20 | 重庆大学 | Traction type robot speed reducer |
| CN110594363B (en) * | 2019-08-23 | 2023-07-04 | 重庆大学 | Traction type robot speed reducer |
| CN111457066A (en) * | 2020-04-09 | 2020-07-28 | 重庆大学 | Bearing type traction speed reducer |
| CN111457066B (en) * | 2020-04-09 | 2021-07-23 | 重庆大学 | Bearing type traction speed reducer |
| CN111516002A (en) * | 2020-06-23 | 2020-08-11 | 北京哈崎机器人科技有限公司 | Joint unit and joint module of robot and foot type robot with joint unit and joint module |
| CN114357846A (en) * | 2022-03-16 | 2022-04-15 | 中国华能集团清洁能源技术研究院有限公司 | Wind power gearbox bearing fault identification method and system |
| CN114357846B (en) * | 2022-03-16 | 2022-06-24 | 中国华能集团清洁能源技术研究院有限公司 | Wind power gearbox bearing fault identification method and system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105570410B (en) | 2018-11-23 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105570410A (en) | Multi-line planetary traction and transmission type speed reducing bearing | |
| CN205639286U (en) | Planet pulls transmission speed reduction bearing | |
| CN1105251C (en) | Intermediate gearbox for vehicle | |
| CN111016604B (en) | Ultra-large torque double-helix double-surpassing integrated intelligent self-adaptive electric drive precursor system | |
| CN201461868U (en) | Wheel redactor for planetary gear | |
| CN104879379A (en) | Integral coupled fan clutch bearing | |
| CN104791289B (en) | A kind of integral shaft connects formula fan clutch bearing | |
| CN109538704A (en) | Planet Traction Drive bearing type integration deceleration wheel hub | |
| CN201763806U (en) | Wheel hub unit having three rows of angular-contact ball bearings | |
| CN102840310B (en) | Twin-screw extruder gear case | |
| CN111016643A (en) | Double-helix double-surpassing integrated intelligent self-adaptive electric drive precursor system | |
| CN211398444U (en) | Planetary speed reducing mechanism and speed reducing box | |
| CN210178876U (en) | Loader gearbox speed change pump power-take-off port bearing support structure | |
| CN2815814Y (en) | Automobile driving axle wheel set | |
| CN202851899U (en) | Double-screw extruder gear case | |
| CN202579681U (en) | Support structure of transmission driving shaft | |
| CN103527717A (en) | Composite planet row structure adapting to high-rotation-speed working condition | |
| CN109532463A (en) | Planet Traction Drive bearing type reduction electric hub | |
| CN109630544A (en) | A kind of high speed is without rib circular cone hub bearing | |
| CN219062260U (en) | High-rigidity precise driving shaft device | |
| CN205823942U (en) | A kind of axle sleeve used for vehicle transmission shaft | |
| CN206030958U (en) | Car detachable half shaft structure | |
| CN107672448B (en) | Wheel hub driving device and motor vehicle | |
| CN215950310U (en) | Planetary wheel structure of differential speed reducer | |
| CN217558982U (en) | Planet carrier and transmission output assembly applying same |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |