CN106369070B - A kind of clutch lubrication structure and method - Google Patents
A kind of clutch lubrication structure and method Download PDFInfo
- Publication number
- CN106369070B CN106369070B CN201610986381.4A CN201610986381A CN106369070B CN 106369070 B CN106369070 B CN 106369070B CN 201610986381 A CN201610986381 A CN 201610986381A CN 106369070 B CN106369070 B CN 106369070B
- Authority
- CN
- China
- Prior art keywords
- piston
- antithesis piece
- oil duct
- clutch
- friction plate
- 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.)
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Links
- 238000005461 lubrication Methods 0.000 title claims abstract description 31
- 238000000034 method Methods 0.000 title claims abstract description 11
- 239000003921 oil Substances 0.000 claims abstract description 91
- 239000010687 lubricating oil Substances 0.000 claims abstract description 21
- 230000005540 biological transmission Effects 0.000 claims abstract description 12
- 239000000314 lubricant Substances 0.000 claims abstract description 10
- 238000009434 installation Methods 0.000 claims abstract description 6
- 230000000694 effects Effects 0.000 description 7
- 238000010586 diagram Methods 0.000 description 6
- 230000033001 locomotion Effects 0.000 description 2
- 230000001050 lubricating effect Effects 0.000 description 2
- FGRBYDKOBBBPOI-UHFFFAOYSA-N 10,10-dioxo-2-[4-(N-phenylanilino)phenyl]thioxanthen-9-one Chemical compound O=C1c2ccccc2S(=O)(=O)c2ccc(cc12)-c1ccc(cc1)N(c1ccccc1)c1ccccc1 FGRBYDKOBBBPOI-UHFFFAOYSA-N 0.000 description 1
- 238000002679 ablation Methods 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000000341 volatile oil Substances 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
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D25/00—Fluid-actuated clutches
- F16D25/06—Fluid-actuated clutches in which the fluid actuates a piston incorporated in, i.e. rotating with the clutch
- F16D25/062—Fluid-actuated clutches in which the fluid actuates a piston incorporated in, i.e. rotating with the clutch the clutch having friction surfaces
- F16D25/063—Fluid-actuated clutches in which the fluid actuates a piston incorporated in, i.e. rotating with the clutch the clutch having friction surfaces with clutch members exclusively moving axially
- F16D25/0635—Fluid-actuated clutches in which the fluid actuates a piston incorporated in, i.e. rotating with the clutch the clutch having friction surfaces with clutch members exclusively moving axially with flat friction surfaces, e.g. discs
- F16D25/0638—Fluid-actuated clutches in which the fluid actuates a piston incorporated in, i.e. rotating with the clutch the clutch having friction surfaces with clutch members exclusively moving axially with flat friction surfaces, e.g. discs with more than two discs, e.g. multiple lamellae
-
- 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
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D25/00—Fluid-actuated clutches
- F16D25/12—Details not specific to one of the before-mentioned types
- F16D25/123—Details not specific to one of the before-mentioned types in view of cooling and lubrication
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Details Of Gearings (AREA)
- Mechanical Operated Clutches (AREA)
Abstract
The invention discloses a kind of clutch lubrication structure and methods, including the backboard and piston shell being connected on case of transmission, backboard and piston shell, which are formed by installation space, has been arranged alternately the first antithesis piece and friction plate, the second antithesis piece is provided on the outside of the friction plate of end, the piston for pushing the second antithesis piece is provided in piston shell, the piston oil duct of piston is connected to oil inlet passage, the piston only with the cooperation of piston oil duct is provided in piston, the back seat for pushing the second antithesis piece is provided on rear side of piston only, compressed spring is equipped between piston only and back seat.The present invention may be implemented clutch and selectively lubricate, i.e., non lubricant oil after the completion of clutch combination stage has lubricating oil, and clutch does not work or clutch work, can reduce clutch towing loss, and reduce oil pump design discharge, improves transmission efficiency.
Description
Technical field
The invention belongs to clutch fields, and in particular to a kind of clutch lubrication structure and method.
Background technique
, there are abrasion and ablation in the main reason for influencing life of clutch, and therefore, sufficient lubrication is essential, and lubricating oil
Sustainable supply requires the expenditure of energy, and when especially clutch does not work, a large amount of lubricating oil causes between friction plate and antithesis piece
Frictional resistance is larger, referred to as towing loss, to reduce speed changer whole efficiency.Clutch combines initial stage, friction plate
Box antithesis piece relative friction is violent, and generates a large amount of heat, and does not generate friction and heat substantially after combining.
But the lubricating system generallyd use at present includes centrifugal lubrication and forced feed lubrication.Centrifugal lubricating mode can not achieve
Selectivity lubrication, clutch work is consistent with oil supply amount is lubricated when not working, and reduces transmission efficiency；Though forced feed lubrication mode
Selectivity lubrication can be realized by controller, but needs that it is more to increase cost using control valve and independent lubricant passage way.
Summary of the invention
The purpose of the present invention is to provide a kind of clutch lubrication structure and methods, above-mentioned of the existing technology to overcome
Defect, the present invention may be implemented clutch selectively lubricate, i.e., clutch combination stage has lubricating oil, and clutch does not work or
Non lubricant oil after the completion of clutch work can reduce clutch towing loss, and reduce oil pump design discharge, improve speed changer
Efficiency.
In order to achieve the above objectives, the present invention adopts the following technical scheme:
A kind of clutch lubrication structure, including the backboard and piston shell being connected on case of transmission, backboard and piston
Shell, which is formed by installation space, has been arranged alternately the first antithesis piece and friction plate, is provided on the outside of the friction plate of end
Second antithesis piece is provided with the piston for pushing the second antithesis piece, the piston oil duct and oil inlet passage of piston in piston shell
Connection is provided with the piston only with the cooperation of piston oil duct in piston, is provided with back seat on rear side of piston only, piston only with
Compressed spring is equipped between back seat.
Further, the second antithesis piece diameter is greater than the diameter of the first antithesis piece and friction plate, the second antithesis piece and backboard
Between be equipped with return spring.
Further, the friction plate internal tooth of friction plate is connect with braked part.
Further, the end of back seat is arranged with circlip.
Further, the second antithesis piece external tooth and piston of the first antithesis piece external tooth of the first antithesis piece and the second antithesis piece
The internal tooth of shell is cooperatively connected.
Further, backboard and piston shell are bolted on case of transmission.
Further, the center of back seat is provided with oilhole, and oilhole is connected to the second antithesis piece oil duct of the second antithesis piece.
A kind of clutch lubrication method, when clutch does not work, piston only blocks piston under compressed spring effect
Oil duct, lubricating oil cannot reach the first antithesis piece oil duct of the first antithesis piece and the friction plate oil duct of friction plate, so realize from
When clutch does not work, non lubricant oil between the first antithesis piece and friction plate；
Work as when the clutch is in operation, lubricating oil reaches piston only, when oil pressure reaches critical value, piston by piston oil duct
Ontology overcomes compressed spring active force, and piston oil duct is opened, and lubricating oil reaches second pair through the centre bore of piston oil duct and back seat
Even piece oil duct, friction plate oil duct and the first antithesis piece oil duct and then the first antithesis piece of lubrication and friction plate, and take away relative friction
The heat of generation.
Compared with prior art, the invention has the following beneficial technical effects:
Apparatus of the present invention are provided with the piston only with the cooperation of piston oil duct in piston, are provided on rear side of piston only
For pushing the back seat of the second antithesis piece, compressed spring, when the clutch is in operation, piston only are equipped between piston only and back seat
Piston oil duct is opened, after the completion of clutch does not work or works, piston only blocks piston oil duct, and clutch selection may be implemented
Property lubrication, i.e. non lubricant oil after the completion of clutch combination stage has lubricating oil, and clutch does not work or clutch work, and
Structure is simple, and it is convenient to realize, is not required to independent lubrication channel, will braking and lubricant passage way it is unified, relative to automatically controlled selectivity lubrication at
This is lower.
Further, between the second antithesis piece and backboard be equipped with return spring, for assist the first antithesis piece, friction plate with
And second antithesis piece return.
Further, the end of back seat is arranged with circlip, to limit the axial movement of back seat.
The method of the present invention combines the initial stage to provide a large amount of lubricating oil in clutch, and clutch does not work or clutch knot
Lubrication oil supply amount is reduced after conjunction, not only can satisfy clutch lubrication demand, moreover it is possible to speed changer whole efficiency is improved, it is real
Existing above-mentioned selectivity lubrication can reduce clutch towing loss, and reduce oil pump design discharge, improve transmission efficiency.
Detailed description of the invention
Fig. 1 is lubrication system schematic diagram of the invention；
Fig. 2 is the second antithesis piece structural schematic diagram；
Fig. 3 is the first antithesis piece structural schematic diagram；
Fig. 4 is friction plate structure schematic diagram；
Fig. 5 is the relative maximum oil duct installation diagram of friction plate and the first antithesis piece；
Fig. 6 is the relatively minimal oil duct installation diagram of friction plate and the first antithesis piece.
Wherein, 1. oil inlet passage；2. piston shell；3. piston only；4. compressed spring；5. piston；6. back seat；7. bullet
Property retaining ring；8. case of transmission；9. return spring；10. backboard；11. bolt；12. friction plate；13. the first antithesis piece；14. quilt
Brake component；15. the first antithesis piece oil duct；16. the second antithesis piece；17. friction plate oil duct；18. the second antithesis piece oil duct；19. living
Fill in oil duct；20. the second antithesis piece external tooth；21. the first antithesis piece external tooth；22. friction plate internal tooth；23. relative maximum oil duct；24.
Relatively minimal oil duct.
Specific embodiment
The present invention is described in further detail below in conjunction with the accompanying drawings:
Referring to Fig. 1-Fig. 6, a kind of clutch lubrication structure, including being connected to the back on case of transmission 8 by bolt 11
Plate 10 and piston shell 2, backboard 10 and piston shell 2, which are formed by installation space, to be arranged alternately the first antithesis piece 13 and has rubbed
Pad 12 is provided with the second antithesis piece 16, the first antithesis piece external tooth of the first antithesis piece 13 on the outside of the friction plate 12 of end
21 and second the internal tooth of the second antithesis piece external tooth 20 and piston shell 2 of antithesis piece 16 be cooperatively connected, 16 diameter of the second antithesis piece
Greater than the diameter of the first antithesis piece 13 and friction plate 12, return spring 9, friction plate are equipped between the second antithesis piece 16 and backboard 10
12 friction plate internal tooth 22 is connect with braked part 14, and the piston for pushing the second antithesis piece 16 is provided in piston shell 2
5, the piston oil duct 19 of piston 5 is connected to oil inlet passage 1, and the piston only 3 cooperated with piston oil duct 19 is provided in piston 5,
The rear side of piston only 3 is provided with back seat 6, compressed spring 4 is equipped between piston only 3 and back seat 6, the end of back seat 6 is arranged
Flexible retaining ring 7, the center of back seat 6 is provided with oilhole, and oilhole is connected to the second antithesis piece oil duct 18 of the second antithesis piece 16.
A kind of clutch lubrication method, when clutch does not work, piston only 3 blocks work under the effect of compressed spring 4
Oil duct 19 is filled in, lubricating oil cannot reach the first antithesis piece oil duct 15 of the first antithesis piece 13 and the friction plate oil duct of friction plate 12
17, and then realize clutch when not working, non lubricant oil between the first antithesis piece 13 and friction plate 12；
Work as when the clutch is in operation, lubricating oil reaches piston only 3 by piston oil duct 19, when oil pressure reaches critical value,
Piston only 3 overcomes 4 active force of compressed spring, and piston oil duct 19 is opened, center of the lubricating oil through piston oil duct 19 and back seat 6
Hole reaches the second antithesis piece oil duct 18, friction plate oil duct 17 and the first antithesis piece oil duct 15 and then lubricates the first antithesis piece 13 and rub
Pad 12.
Implementation process of the invention is described in further detail below:
Backboard 10 of the invention, piston shell 2 are connected on case of transmission 8 by bolt 11, second antithesis piece
16 the second antithesis piece external tooth 20 and the first antithesis piece external tooth 21 of the first antithesis piece 13 are in conjunction with the internal tooth of piston shell 2, phase
It without rotation but can slide axially to case of transmission 8.
9 one end of return spring is connect with the second antithesis piece 16, and the other end is connect with backboard 10, first antithesis piece 13 with
The assembly of the interval of friction plate 12, the two can relatively rotate, and the first antithesis piece oil duct 15 and friction plate oil duct 17 are in relative rotational motion
In, there is relative maximum oil duct 23 and relatively minimal oil duct 24 in oil duct sectional area.Friction plate internal tooth 22 is connect with braked part 14,
It can be rotated together with braked part 14.
Lubricating oil reaches the right side of piston 5 through oil inlet passage 1, and when pressure reaches certain value, piston 5 overcomes return bullet
9 spring force of spring is moved to the left, and is pushed the second antithesis piece 16,9 to the first antithesis piece 13 of return spring and friction plate 12 to contact and is produced
Raw frictional force, as lubricating oil pressure increases, frictional force is increasing finally to revolve the first antithesis piece 13 and friction plate 12 together
Turn, relatively rotates and disappear；Gap also disappears therewith between first antithesis piece 13 and friction plate 12.After lubricating oil pressure revocation, the
Two antithesis pieces 16 and piston 5 return under the effect of return spring 9, the first antithesis piece 13 and friction plate 12 relatively rotate, frictional force
It disappears.
4 one end of compressed spring is connected with piston only 3, and the other end is connected with back seat 6, back seat 6, compressed spring 4, piston sheet
Body 3 is arranged in inside piston 5, is limited back seat 6 with circlip 7 and is moved axially, 6 center of back seat is provided with oilhole.
When clutch does not work, the piston only 3 blocks piston oil duct 19, lubricating oil under the effect of compressed spring 4
When cannot reach the first antithesis piece oil duct 15 and friction plate oil duct 17, and then realize that clutch does not work, 13 He of the first antithesis piece
Non lubricant oil between friction plate 12.
Work as when the clutch is in operation, lubricating oil can reach piston only 3 by piston oil duct 19, when oil pressure reaches certain value
When, overcome 4 active force of compressed spring to move to left up to piston only 3, piston oil duct 19 is opened, and lubricating oil is through piston oil duct 19, back seat 6
Centre bore reach the second antithesis piece oil duct 18, friction plate oil duct 17 and the first antithesis piece oil duct 15 and then lubricate even to first
Piece 13 and friction plate 12, and take away the heat of relative friction generation.
Under the effect of 5 pressure of piston, the gap of the two is smaller and smaller for first antithesis piece 13 and friction plate 12, when between the two without
When relative rotation, all oil ducts form airtight cavity (having very thin oil duct on backboard 10), and the pressure in oil duct can increase, and work as pressure
When power is increased to suitable with 1 pressure of oil inlet passage, 3 the right and left pressure of piston only is equal, and piston only 3 is in compressed spring 4
It is moved to right under effect, seals piston oil duct 19, non lubricant oil after the completion of braking is realized in lubrication channel truncation.
Claims (6)
1. a kind of clutch lubrication structure, which is characterized in that including the backboard (10) being connected on case of transmission (8) and piston
Shell (2), backboard (10) and piston shell (2), which are formed by installation space, has been arranged alternately the first antithesis piece (13) and friction
Piece (12) is provided with the second antithesis piece (16) on the outside of the friction plate (12) of end, and piston shell is provided in (2) for pushing away
The piston (5) of dynamic second antithesis piece (16), the piston oil duct (19) of piston (5) are connected to oil inlet passage (1), and piston is set in (5)
It is equipped with the piston only (3) with piston oil duct (19) cooperation, is provided with back seat (6), piston only on rear side of piston only (3)
(3) compressed spring (4) are equipped between back seat (6), the end of back seat (6) is arranged with circlip (7), the center of back seat (6)
It is provided with oilhole, and oilhole is connected to the second antithesis piece oil duct (18) of the second antithesis piece (16).
2. a kind of clutch lubrication structure according to claim 1, which is characterized in that the second antithesis piece (16) diameter is greater than
The diameter of first antithesis piece (13) and friction plate (12) is equipped with return spring (9) between the second antithesis piece (16) and backboard (10).
3. a kind of clutch lubrication structure according to claim 1, which is characterized in that the friction plate internal tooth of friction plate (12)
(22) it is connect with braked part (14).
4. a kind of clutch lubrication structure according to claim 1, which is characterized in that first pair of the first antithesis piece (13)
Second antithesis piece external tooth (20) of even piece external tooth (21) and the second antithesis piece (16) and the internal tooth of piston shell (2) are cooperatively connected.
5. a kind of clutch lubrication structure according to claim 1, which is characterized in that backboard (10) and piston shell (2)
It is connected on case of transmission (8) by bolt (11).
6. a kind of clutch lubrication method using clutch lubrication structure described in claim 1, which is characterized in that work as clutch
When device does not work, piston only (3) blocks piston oil duct (19) in the case where compressed spring (4) act on, and lubricating oil cannot reach first
First antithesis piece oil duct (15) of antithesis piece (13) and the friction plate oil duct (17) of friction plate (12), and then realize clutch not work
When making, non lubricant oil between the first antithesis piece (13) and friction plate (12)；
Work as when the clutch is in operation, lubricating oil reaches piston only (3) by piston oil duct (19), when oil pressure reaches critical value,
Piston only (3) overcomes compressed spring (4) active force, and piston oil duct (19) is opened, and lubricating oil is through piston oil duct (19) and back seat
(6) centre bore reaches the second antithesis piece oil duct (18), friction plate oil duct (17) and the first antithesis piece oil duct (15) and then lubricates
First antithesis piece (13) and friction plate (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610986381.4A CN106369070B (en) | 2016-11-09 | 2016-11-09 | A kind of clutch lubrication structure and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610986381.4A CN106369070B (en) | 2016-11-09 | 2016-11-09 | A kind of clutch lubrication structure and method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106369070A CN106369070A (en) | 2017-02-01 |
| CN106369070B true CN106369070B (en) | 2019-02-12 |
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ID=57894327
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610986381.4A Active CN106369070B (en) | 2016-11-09 | 2016-11-09 | A kind of clutch lubrication structure and method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106369070B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109058321A (en) * | 2018-08-01 | 2018-12-21 | 格特拉克（江西）传动系统有限公司 | A kind of wet-type dual-clutch elastic piston reply structure |
| CN110686019B (en) * | 2019-09-25 | 2021-01-12 | 西安法士特汽车传动有限公司 | Self-adaptive lubricating system of clutch |
| CN114542620A (en) * | 2022-02-25 | 2022-05-27 | 西安双特智能传动有限公司 | A double-lubricated single-sided friction material disc clutch |
| CN117948399A (en) * | 2024-03-27 | 2024-04-30 | 陕西法士特汽车传动集团有限责任公司 | Piston control multifunctional differential for agricultural machinery power shift transmission |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2331315A1 (en) * | 1973-06-20 | 1975-01-23 | Voith Getriebe Kg | Multi-plate clutch for gear box drive - provides cooling radial and spiral pressure supplied oil grooves in clutch plates |
| SU1180578A1 (en) * | 1984-05-08 | 1985-09-23 | Белорусский Ордена Трудового Красного Знамени Политехнический Институт | Friction clutch |
| US5495927A (en) * | 1994-06-24 | 1996-03-05 | General Motors Corporation | Controlled cooling apparatus for torque transfer devices |
| DE19734840A1 (en) * | 1997-08-12 | 1999-02-18 | Zahnradfabrik Friedrichshafen | Vehicle automatic gear box has clutch disk packet containing oil passages |
| KR20010066674A (en) * | 1999-12-31 | 2001-07-11 | 이계안 | Clutch Assembly for Automatic Transmission |
| CN206274052U (en) * | 2016-11-09 | 2017-06-23 | 西安法士特汽车传动有限公司 | A kind of clutch lubrication structure |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2251632C1 (en) * | 2003-09-12 | 2005-05-10 | Московский государственный технический университет "МАМИ" | Force - cooled friction clutch |
-
2016
- 2016-11-09 CN CN201610986381.4A patent/CN106369070B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2331315A1 (en) * | 1973-06-20 | 1975-01-23 | Voith Getriebe Kg | Multi-plate clutch for gear box drive - provides cooling radial and spiral pressure supplied oil grooves in clutch plates |
| SU1180578A1 (en) * | 1984-05-08 | 1985-09-23 | Белорусский Ордена Трудового Красного Знамени Политехнический Институт | Friction clutch |
| US5495927A (en) * | 1994-06-24 | 1996-03-05 | General Motors Corporation | Controlled cooling apparatus for torque transfer devices |
| DE19734840A1 (en) * | 1997-08-12 | 1999-02-18 | Zahnradfabrik Friedrichshafen | Vehicle automatic gear box has clutch disk packet containing oil passages |
| KR20010066674A (en) * | 1999-12-31 | 2001-07-11 | 이계안 | Clutch Assembly for Automatic Transmission |
| CN206274052U (en) * | 2016-11-09 | 2017-06-23 | 西安法士特汽车传动有限公司 | A kind of clutch lubrication structure |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106369070A (en) | 2017-02-01 |
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Inventor after: Xu Guojie Inventor after: Yan Jianbo Inventor after: Liu Yi Inventor after: Wang Yafeng Inventor after: Zhang Haitao Inventor after: Peng Liyin Inventor after: Ge Jingguang Inventor before: Xu Guojie Inventor before: Peng Liyin Inventor before: Ge Jingguang |
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