CN115355247A - Thrust needle roller bearing assembly and speed changer - Google Patents
Thrust needle roller bearing assembly and speed changer Download PDFInfo
- Publication number
- CN115355247A CN115355247A CN202211064376.XA CN202211064376A CN115355247A CN 115355247 A CN115355247 A CN 115355247A CN 202211064376 A CN202211064376 A CN 202211064376A CN 115355247 A CN115355247 A CN 115355247A
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- assembly
- thrust needle
- gasket
- bearing assembly
- spacer
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- 230000005540 biological transmission Effects 0.000 claims abstract description 42
- 125000006850 spacer group Chemical group 0.000 claims abstract description 41
- 230000000712 assembly Effects 0.000 claims abstract description 4
- 238000000429 assembly Methods 0.000 claims abstract description 4
- 238000003860 storage Methods 0.000 claims description 11
- 229910000831 Steel Inorganic materials 0.000 claims description 9
- 239000010959 steel Substances 0.000 claims description 9
- 230000013011 mating Effects 0.000 claims description 4
- 239000003921 oil Substances 0.000 description 33
- 230000001050 lubricating effect Effects 0.000 description 8
- 239000010687 lubricating oil Substances 0.000 description 8
- 239000000463 material Substances 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 208000035874 Excoriation Diseases 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000005461 lubrication Methods 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000001502 supplementing effect Effects 0.000 description 1
Images
Classifications
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- 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
- F16C19/22—Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings
- F16C19/44—Needle bearings
- F16C19/46—Needle bearings with one row or needles
- F16C19/463—Needle bearings with one row or needles consisting of needle rollers held in a cage, i.e. subunit without race rings
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- 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
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/30—Parts of ball or roller bearings
- F16C33/46—Cages for rollers or needles
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- 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
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/30—Parts of ball or roller bearings
- F16C33/66—Special parts or details in view of lubrication
- F16C33/6637—Special parts or details in view of lubrication with liquid lubricant
- F16C33/6659—Details of supply of the liquid to the bearing, e.g. passages or nozzles
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- 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
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H57/021—Shaft support structures, e.g. partition walls, bearing eyes, casing walls or covers with bearings
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Rolling Contact Bearings (AREA)
Abstract
The invention discloses a thrust needle roller bearing assembly and a transmission, which comprise a transmission body and a thrust needle roller bearing assembly; the thrust needle roller bearing assembly comprises a first roller retainer assembly, a second roller retainer assembly and a spacer, wherein the spacer is arranged between the first roller retainer assembly and the second roller retainer assembly, and one side of the first roller retainer assembly is provided with a first gasket; a second gasket is arranged on one side of the second roller retainer assembly; the transmission body comprises a matching shaft, a left end matching piece and a right end matching piece, and the thrust needle roller bearing assembly is sleeved on the matching shaft; the first gasket is inserted on the left end fitting piece, and the second gasket is inserted on the left end fitting piece. When the automatic hydraulic transmission runs, the rotating directions of the two sets of roller retainer assemblies assembled on the transmission are opposite, compared with a conventional thrust needle bearing, the outer diameter size is the same, the rated rotating speed is doubled, and the requirements of large size and high rotating speed of some structures of the automatic hydraulic transmission are met.
Description
Technical Field
The invention belongs to the technical field of needle roller bearings, and relates to a thrust needle roller bearing assembly and a transmission.
Background
The thrust needle bearing is generally applied to a hydraulic automatic transmission and has the characteristics of bearing axial load, small friction torque during operation and high rotation precision. However, because the conventional needle roller thrust bearing is increased in size and reduced in rated rotating speed, and sliding friction force exists among components of the conventional needle roller thrust bearing, the rotating speed is influenced due to resistance existing in the sliding friction force in the rotating process, and the requirements of large size and high rotating speed of some structures of the hydraulic automatic transmission cannot be met.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides a thrust needle roller bearing assembly and a transmission, which double the rated rotating speed, meet the requirements of large size and high rotating speed of certain structures of a hydraulic automatic transmission, prevent the bearing from being worn early and solve the technical problem.
The invention is realized by the following technical scheme:
a thrust needle bearing assembly comprises a first roller retainer assembly, a second roller retainer assembly and a spacer, wherein the spacer is arranged between the first roller retainer assembly and the second roller retainer assembly, and a first gasket is arranged on one side of the first roller retainer assembly far away from the spacer; and a second gasket is arranged on one side of the second roller retainer assembly far away from the spacer.
Preferably, the first gasket and the second gasket comprise flanges and vertical edges, the first gasket and the second gasket are circular rings, and the flanges and the vertical edges are right angles.
Preferably, the spacer is provided with a first oil groove, and the first oil groove is provided with a first oil hole therein.
Preferably, the first gasket, the second gasket, the first roller retainer assembly, the second roller retainer assembly and the spacer are all made of bearing steel.
A transmission for a thrust needle bearing assembly includes a transmission body and a thrust needle bearing assembly; the thrust needle bearing assembly comprises the first gasket, a second gasket, a first roller retainer assembly, a second roller retainer assembly and a spacer;
the transmission body comprises a matching shaft, a left end matching piece and a right end matching piece, and the thrust needle roller bearing assembly is sleeved on the matching shaft; the flanging on the first gasket is inserted into the left end fitting piece, and the flanging of the second gasket is inserted into the left end fitting piece.
Preferably, the mating shaft is provided with a second oil hole and a third oil hole; an oil storage tank is arranged on the matching shaft.
Preferably, the thrust needle bearing assembly is mounted in a mating seat bore of the transmission.
Preferably, the roller retainer assembly and the matching shaft are arranged in a clearance fit manner, one end of the left-end matching piece and the first gasket are arranged in a clearance fit manner, one end of the right-end matching piece and the second gasket are arranged in a clearance fit manner, and the spacer and the matching seat hole are arranged in a clearance fit manner.
Preferably, the first roller cage assembly and the second roller cage assembly rotate in opposite directions when the transmission is in operation.
Preferably, the left end fitting piece and the right end fitting piece are both sun gears of the transmission.
Compared with the prior art, the invention has the following beneficial technical effects:
according to the thrust needle roller bearing assembly and the transmission, the two sets of roller retainer assemblies are symmetrical through the spacer, the rotating directions of the two sets of roller retainer assemblies assembled on the transmission are opposite during operation, compared with a conventional thrust needle roller bearing, the thrust needle roller bearing assembly and the transmission have the same outer diameter size, the rated rotating speed is doubled, the requirements of large size and high rotating speed of some structures of a hydraulic automatic transmission are met, the rotating speed is prevented from being influenced due to early abrasion of the bearing, and the technical problem of the industry is solved.
Furthermore, the roller retainer assembly and the matching shaft are in clearance fit, so that a lubricating oil way can smoothly flow to the roller; the spacer and the matching shaft are provided with oil storage grooves, so that oil is conveniently stored, a sufficient lubricating oil way and an oil storage structure are provided for the thrust needle roller bearing assembly, and the thrust needle roller bearing assembly is good in lubricating property.
Further, through set up oil storage tank and oilhole on the cooperation axle, leave sufficient lubricated oil circuit for the left end fitting piece and the right-hand member fitting piece of derailleur for the lubricity of left end fitting piece and right-hand member fitting piece is good.
Furthermore, the thrust needle roller bearing assembly is a split type bearing, is convenient to assemble and disassemble, is favorable for detecting the abrasion condition of the bearing, has no locking notch on the gasket and the roller retainer assembly, and is good in manufacturability and easy to process.
Furthermore, each part of the thrust needle roller bearing assembly is made of common bearing steel, the matching shaft, the matching seat hole piece, the left end matching piece and the right end matching piece are made of common steel pieces, and the thrust needle roller bearing assembly is free of special requirements in materials, good in manufacturability and low in manufacturing cost. The structure of the matching shaft, the matching seat hole piece, the left end matching piece and the right end matching piece has no special requirements, and the manufacturability is good.
Drawings
FIG. 1 is a schematic view of a thrust needle bearing assembly of the present invention;
FIG. 2 is a front view of the thrust needle bearing assembly of the present invention;
FIG. 3 is a structural view of the spacer 3, in which (a) is a front view and (b) is a side view;
FIG. 4 is a structural view of the gasket, with FIG. (a) being a front view, FIG. (b) being a left side view, and FIG. (c) being a right side view;
FIG. 5 is a block diagram of the roller cage assembly, with FIG. (a) being a front view, FIG. (b) being a left side view, and FIG. (c) being a right side view;
FIG. 6 is a view of the thrust needle bearing assembly of the present invention in assembled relation to the transmission;
FIG. 7 is an enlarged, fragmentary view of the thrust needle bearing assembly of the present invention assembled with a transmission;
in the figure, a first gasket 11, a second gasket 12, a first roller retainer assembly 21, a second roller retainer assembly 22, a spacer 3, a matching shaft 4, a matching seat hole piece 5, a left end matching piece 6, a right end matching piece 7, a first oil hole 8, a first oil groove 9, a second oil hole 10, a second oil groove 11 and a third oil hole 12.
Detailed Description
The present invention will now be described in further detail with reference to specific examples, which are intended to be illustrative, but not limiting, of the invention.
The following detailed description is illustrative of the embodiments and is intended to provide further details of the invention. Unless otherwise defined, all technical terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the invention.
A thrust needle roller bearing assembly is shown in figures 1 and 2 and comprises a first roller retainer assembly 21, a second roller retainer assembly 22 and a spacer 3, wherein the spacer 3 is arranged between the first roller retainer assembly 21 and the second roller retainer assembly 22, and a first gasket 11 is arranged on one side of the first roller retainer assembly 21 away from the spacer 3; a second gasket 12 is arranged on one side of the second roller retainer assembly 22 far away from the spacer 3, and rollers on the roller retainer assembly are cylindrical and are embedded on the retainer;
according to the embodiment of the invention, the gasket and the roller retainer assembly do not have a locking notch, the manufacturability is good, the processing is easy, the first gasket 11, the second gasket 12, the first roller retainer assembly 21, the second roller retainer assembly 22 and the spacer 3 are all split, no assembly relation exists among the gaskets, the gaskets and the second gasket are independent, and only mutual contact is needed during assembly, so that the reduction of the rotating speed caused by mutual interference during high-speed rotation is avoided; compared with a conventional thrust needle roller bearing, the novel hydraulic automatic transmission has the same outer diameter size and doubled rated rotating speed, and meets the requirements of large size and high rotating speed of certain structures of the hydraulic automatic transmission. The bearing is prevented from being worn early, and the technical problem is solved; the invention is a split type bearing, is convenient to disassemble and assemble and is beneficial to detecting the abrasion condition of the bearing.
As shown in fig. 4, the first gasket 11 and the second gasket 12 include flanges and vertical edges, the first gasket 11 and the second gasket 12 are circular, and the flanges and the vertical edges are right angles. The flanging is arranged at one side of the vertical edge close to the inner ring, the size of the vertical edge is consistent with that of the side wall of the first roller retainer assembly 21, and the plane of the vertical edge is contacted with the side wall of the first roller retainer assembly 21 during assembly; one end of the flanging is inserted into a gap between an inner shaft and an outer shaft of a sun gear of the transmission; the cross section of the section cut along the diameter of the first gasket 11 and the second gasket 12 is an L-shaped structure;
be provided with first oil groove 9 on the shock insulator 3 for the oil storage is in order to do benefit to bearing assembly lubrication. The first oil groove 9 is provided therein with first oil holes 8. The first oil groove 9 is circumferentially arranged on the spacer 3, and the first oil holes 8 are circumferentially arranged in the first oil groove 9 to form a lubricating oil path for lubricating other parts of the system and supplementing lubrication to the bearing. The thrust needle roller bearing assembly is provided with a sufficient lubricating oil path and an oil storage structure, and has good lubricating property;
the first gasket 11, the second gasket 12, the first roller retainer assembly 21, the second roller retainer assembly 22 and the spacer 3 are all made of bearing steel, and have no special requirements on materials, good manufacturability and low manufacturing cost;
FIGS. 6 and 7 illustrate a transmission for a thrust needle bearing assembly including a transmission body and a thrust needle bearing assembly; FIG. 6 is a sectional view showing an assembled relationship between a transmission body and a thrust needle bearing, FIG. 7 is a partially enlarged sectional view showing an assembled relationship between a transmission body and a thrust needle bearing,
the transmission body comprises a matching shaft 4, a left end matching piece 6 and a right end matching piece 7, and the thrust needle roller bearing assembly is sleeved on the matching shaft 4; the flange of the first gasket 11 is inserted into the left end fitting member 6, and the flange of the second gasket 12 is inserted into the left end fitting member 6. When the working condition exists, the rotating directions of the left end fitting piece 6 and the right end fitting piece 7 are opposite, the rotating speed difference is large, and the conventional thrust needle roller bearing cannot meet the requirement of high rotating speed.
The matching shaft 4 is provided with a second oil hole 10 for lubricating the bearing assembly by an oil way and a third oil hole 12 for lubricating the left end matching piece 6 and the right end matching piece 7; and an oil storage tank is arranged on the matching shaft 4 and used for storing oil. The seat closing hole piece 5 is also provided with a second oil groove 10; in the invention, sufficient lubricating oil paths are reserved for the left end fitting piece 6 and the right end fitting piece 7, and the left end fitting piece 6 and the right end fitting piece 7 have good lubricating property; the matching seat hole piece 5 is in a circular ring structure
The matching seat hole piece 5 is arranged between the left matching piece 6 and the right matching piece 7; the thrust needle roller bearing assembly is arranged in a hole of a matching seat hole piece 5 of the transmission, so that an installation space is provided for the installation of the thrust needle roller bearing assembly, and the thrust needle roller bearing assembly rotates at a high speed.
The matching shaft 4 is a driving shaft of the transmission; clearance fit sets up and realizes radial positioning between roller holder assembly and the cooperation axle 4, clearance fit sets up and realizes radial positioning between the one end of left end fitting piece 6 and the first gasket 11, clearance fit sets up and realizes radial positioning between the one end of right-hand member fitting piece 7 and the second gasket 12, clearance fit sets up between dottle pin 3 and the cooperation seat hole spare 5. The roller retainer assembly and the matching seat hole piece 5 are in an absolute clearance; the absolute clearance means that a clearance with a certain width exists between the roller retainer assembly and the matching seat hole piece 5 to prevent interference in the rotating process, the spacer 3 and the matching shaft 4 are in absolute clearance fit, the absolute clearance means that a clearance with a certain width exists between the spacer 3 and the matching shaft 4, assembly between the spacer 3 and the matching shaft is not interfered, and interference in the rotating process is prevented. The fitting pieces are positioned in a clearance fit mode or an absolute clearance mode, and the assembly difficulty is low. The structure of the matching shaft 4, the seat hole, the left matching piece 6 and the right matching piece 7 has no special requirements, and the manufacturability is good;
the fillet of gasket cooperation department is less than the chamfer of left end fitting piece 6 and right-hand member fitting piece 7 department, prevents to interfere. The chamfer is a cut chamfer at the matching part of the left end matching part 6 and the right end matching part 7 with the gasket; the left end fitting piece 6 and the right end fitting piece 7 are both sun gears of the transmission.
According to the thrust needle roller bearing assembly, the left end fitting piece 6 and the right end fitting piece 7 can be radially positioned through external tooth fit, and at the moment, an absolute clearance is formed between the left end fitting piece and the right end fitting piece and the fitting shaft 4. The left end fitting piece 6 and the right end fitting piece 7 can also be radially positioned with the fitting shaft 4 through bushings or bearings.
The thrust needle roller bearing assembly has a working condition, the rotating directions of the left end fitting piece 6 and the right end fitting piece 7 are opposite, the rotating speed difference is large, and the conventional thrust needle roller bearing cannot meet the requirement of high rotating speed.
In the thrust needle roller bearing assembly, each part of the bearing is made of common bearing steel; the matching shaft 4, the matching seat hole piece 5, the left end matching piece 6 and the right end matching piece 7 are made of common steel pieces and have no special requirements. Good manufacturability and low manufacturing cost.
The installation process is as follows:
1) Pressing one end of the matching seat hole piece 5 into the right matching piece 7;
2) Pressing the turned edge of the second gasket 12 into the right end fitting piece 7;
3) Sequentially installing the second roller retainer assembly 22, the spacer 3, the first roller retainer assembly 21 and the first gasket 11 into the holes of the matching seat hole piece 5;
4) The left end fitting 6 is pressed onto the first pad 11.
5) The whole is fitted on the fitting shaft 4.
Because the two sets of thrust needle roller bearings which are symmetrical through the spacer 3 and have opposite rotation directions exist, compared with the conventional thrust needle roller bearing, the thrust needle roller bearing has the same outer diameter size and doubled rated rotation speed, meets the requirements of certain structures of the hydraulic automatic transmission on large size and high rotation speed, prevents the bearings from being worn early, and solves the technical problem.
The spacer 3 and the matching shaft 4 are in absolute clearance, and the roller retainer assembly and the matching shaft 4 are in clearance fit, so that a lubricating oil path can smoothly flow to the roller; the spacer 3 and the matching shaft 4 are provided with oil storage tanks, so that oil storage is facilitated. Sufficient lubricating oil paths and oil storage structures are provided for the thrust needle roller bearing assembly, and the thrust needle roller bearing assembly is good in lubricating property. Sufficient lubricating oil paths are reserved in the left end fitting piece 6 and the right end fitting piece 7, and the left end fitting piece 6 and the right end fitting piece 7 are good in lubricating property.
The gasket and retainer assembly has no locking notch, good manufacturability and easy processing. The radial positioning of the fitting pieces is clearance fit or absolute clearance, and the assembly difficulty is low. There is not special requirement to cooperation axle 4, seat hole, left end fitting piece 6, right-hand member fitting piece 7 structure, and each part material of the good thrust bearing assembly of manufacturability is bearing steel commonly used, and cooperation axle 4, cooperation seat hole spare 5, left end fitting piece 6, right-hand member fitting piece 7 material are steel spare commonly used, and the material does not have special requirement, and the manufacturability is good, low in manufacturing cost. This thrust bearing assembly is split type bearing, and easy dismounting does benefit to the wearing and tearing condition of inspection bearing.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. The thrust needle roller bearing assembly is characterized by comprising a first roller retainer assembly (21), a second roller retainer assembly (22) and a spacer (3), wherein the spacer (3) is arranged between the first roller retainer assembly (21) and the second roller retainer assembly (22), and a first gasket (11) is arranged on one side, far away from the spacer (3), of the first roller retainer assembly (21); and a second gasket (12) is arranged on one side of the second roller retainer assembly (22) far away from the spacer (3).
2. The needle thrust bearing assembly according to claim 1, wherein the first and second spacers (11, 12) include flanges and vertical edges, and the first and second spacers (11, 12) are both circular.
3. A thrust needle bearing assembly according to claim 1, wherein a first oil groove (9) is provided in the spacer (3), and a first oil hole (8) is provided in the first oil groove (9).
4. A needle thrust bearing assembly as claimed in claim 1 wherein said first washer (11), second washer (12), first roller cage assembly (21), second roller cage assembly (22) and spacer (3) are all of bearing steel.
5. A transmission for a thrust needle bearing assembly, the thrust needle bearing assembly as set forth in claims 1 to 4, comprising a transmission body and the thrust needle bearing assembly; the thrust needle bearing assembly comprises the first gasket (11), a second gasket (12), a first roller retainer assembly (21), a second roller retainer assembly (22) and a spacer (3); the transmission body comprises a matching shaft (4), a left end matching piece (6) and a right end matching piece (7);
the first gasket (11), the second gasket (12), the first roller retainer assembly (21), the second roller retainer assembly (22) and the spacer (3) are sleeved on the matching shaft (4); the flanging on the first gasket (11) is inserted into the left end fitting piece (6), and the flanging of the second gasket (12) is inserted into the left end fitting piece (6).
6. A transmission for a thrust needle bearing assembly according to claim 5, characterized in that the engagement shaft (4) is provided with a second oil hole (10) and a third oil hole (12); an oil storage tank is arranged on the matching shaft (4).
7. A variator for a thrust needle bearing assembly as claimed in claim 5, wherein the thrust needle bearing assembly is mounted in a cooperating socket of the variator.
8. A transmission for a thrust needle bearing assembly as set forth in claim 5 wherein said roller cage assembly is disposed in clearance fit with said mating shaft (4), said left end fitting member (6) is disposed in clearance fit with said first spacer (11), said right end fitting member (7) is disposed in clearance fit with said second spacer (12), and said spacer (3) is disposed in clearance fit with said mating seat bore member (5).
9. A variator for a thrust needle bearing assembly as claimed in claim 5, wherein the first and second roller cage assemblies (21, 22) rotate in opposite directions when the variator is in operation.
10. A transmission for a thrust needle bearing assembly as claimed in claim 5 wherein the left and right end fittings (6, 7) are both sun gears of the transmission.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211064376.XA CN115355247A (en) | 2022-08-31 | 2022-08-31 | Thrust needle roller bearing assembly and speed changer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211064376.XA CN115355247A (en) | 2022-08-31 | 2022-08-31 | Thrust needle roller bearing assembly and speed changer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115355247A true CN115355247A (en) | 2022-11-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211064376.XA Pending CN115355247A (en) | 2022-08-31 | 2022-08-31 | Thrust needle roller bearing assembly and speed changer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115355247A (en) |
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2022
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|---|---|---|---|---|
| GB134601A (en) * | 1918-11-02 | 1919-11-03 | Robert Hudson Wilkinson | Improvements in or relating to Thrust Bearings and Brakes for Driving and Reversing Gearing. |
| JP2004218655A (en) * | 2003-01-09 | 2004-08-05 | Ntn Corp | Support structure for continuously variable transmission, and method for manufacturing the same |
| JP2006200720A (en) * | 2005-01-24 | 2006-08-03 | Ntn Corp | Thrust bearing for continuously variable transmission |
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| JP2007160414A (en) * | 2005-12-09 | 2007-06-28 | Honda Motor Co Ltd | Needle bearing assembly device |
| DE102010035784A1 (en) * | 2010-08-30 | 2012-03-01 | Schaeffler Technologies Gmbh & Co. Kg | Multi-ring rolling bearing for motor vehicle, has thermal compensating element which is arranged between intermediate rings for supporting rolling elements of rolling rings |
| CN202073918U (en) * | 2011-04-18 | 2011-12-14 | 瓦房店冶矿轴承制造有限公司 | Three-layer thrust cylinder roller bearing |
| CN102562791A (en) * | 2012-01-06 | 2012-07-11 | 洛阳新强联回转支承股份有限公司 | Low-friction three-row cylinder roller bearing |
| CN103671861A (en) * | 2012-09-10 | 2014-03-26 | Skf公司 | Pin for guiding a gear wheel, and planetary transmission containing the same |
| DE102017111046A1 (en) * | 2017-05-22 | 2018-11-22 | Schaeffler Technologies AG & Co. KG | Axial-radial bearing and gear arrangement with the axial-radial bearing |
| CN110566584A (en) * | 2018-06-05 | 2019-12-13 | 株式会社捷太格特 | Thrust needle roller bearing |
| CN209510930U (en) * | 2019-01-15 | 2019-10-18 | 重庆菲斯塔新能源汽车科技有限公司 | A kind of thrust bearing connection structure |
| CN112780671A (en) * | 2021-01-11 | 2021-05-11 | 天地上海采掘装备科技有限公司 | Traveling wheel assembly of thin ore layer mining machine |
| CN216306484U (en) * | 2021-10-21 | 2022-04-15 | 陕西法士特齿轮有限责任公司 | Split type thrust needle roller bearing |
| CN114970008A (en) * | 2022-04-26 | 2022-08-30 | 洛阳轴承研究所有限公司 | Design method of main bearing disc spring group of tunneling machine |
| CN114909395A (en) * | 2022-05-16 | 2022-08-16 | 陕西法士特齿轮有限责任公司 | Pre-adjusted creep-resistant high-rotating-speed thrust roller bearing |
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