CN104061319A - Double-clutch lubricating structure for double-clutch gear box - Google Patents
Double-clutch lubricating structure for double-clutch gear box Download PDFInfo
- Publication number
- CN104061319A CN104061319A CN201410077642.1A CN201410077642A CN104061319A CN 104061319 A CN104061319 A CN 104061319A CN 201410077642 A CN201410077642 A CN 201410077642A CN 104061319 A CN104061319 A CN 104061319A
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- clutch
- input shaft
- double
- oil
- splined hub
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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
- F16H57/04—Features relating to lubrication or cooling or heating
- F16H57/0412—Cooling or heating; Control of temperature
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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
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D25/00—Fluid-actuated clutches
- F16D25/08—Fluid-actuated clutches with fluid-actuated member not rotating with a clutching member
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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
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D13/00—Friction clutches
- F16D13/58—Details
- F16D13/72—Features relating to cooling
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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
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D13/00—Friction clutches
- F16D13/58—Details
- F16D13/74—Features relating to lubrication
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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
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D21/00—Systems comprising a plurality of actuated clutches
- F16D21/02—Systems comprising a plurality of actuated clutches for interconnecting three or more shafts or other transmission members in different ways
- F16D21/06—Systems comprising a plurality of actuated clutches for interconnecting three or more shafts or other transmission members in different ways at least two driving shafts or two driven shafts being concentric
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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
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D25/00—Fluid-actuated clutches
- F16D25/10—Clutch systems with a plurality of fluid-actuated clutches
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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
- 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
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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
- F16H57/04—Features relating to lubrication or cooling or heating
- F16H57/0434—Features relating to lubrication or cooling or heating relating to lubrication supply, e.g. pumps ; Pressure control
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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
- F16H57/04—Features relating to lubrication or cooling or heating
- F16H57/045—Lubricant storage reservoirs, e.g. reservoirs in addition to a gear sump for collecting lubricant in the upper part of a gear case
- F16H57/0454—Sealings between different partitions of a gearing or to a reservoir
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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
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D21/00—Systems comprising a plurality of actuated clutches
- F16D21/02—Systems comprising a plurality of actuated clutches for interconnecting three or more shafts or other transmission members in different ways
- F16D21/06—Systems comprising a plurality of actuated clutches for interconnecting three or more shafts or other transmission members in different ways at least two driving shafts or two driven shafts being concentric
- F16D2021/0661—Hydraulically actuated multiple lamellae clutches
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Details Of Gearings (AREA)
- Hydraulic Clutches, Magnetic Clutches, Fluid Clutches, And Fluid Joints (AREA)
Abstract
The invention discloses a double-clutch lubricating structure for a double-clutch gear box. An electronic oil pump is connected with four lubricating channels through lubricating oil pipes and an oil storage cavity respectively, wherein the main components of the double-clutch, namely a first clutch and a second clutch, are lubricated and cooled by the lubricant liquid of the first lubricating channel; a first input shaft and a second input shaft of the double-clutch gear box are lubricated and cooled by the lubricant liquid of the second lubricating channel; a clutch separation device is lubricated and cooled by the lubricant liquid of the third lubricating channel; a bearing between the first input shaft and a driving device is lubricated and cooled by the lubricant liquid of the fourth lubricating channel. The double-clutch lubricating structure excellently solves the problem that a conventional cooling and lubricating system in a double-clutch gear box is complex in structure, high in cost and low in reliability, and is susceptible to potential safety hazard; the double-clutch lubricating structure provided by the invention is simple in structure, high in reliability and good in safety, and has very high practical value.
Description
Technical field
The present invention relates to automotive transmission technical field, especially relate to a kind of double clutch lubricating structure for automobile double clutch speed changer.
Background technique
Growing along with automobile sales volume, the improving constantly of automobile dynamic quality, the gearshift performance of automotive transmission starts more and more to receive publicity, and along with the development of automobile industry, automatic transmission has become development trend, especially double-clutch automatic gearbox.Double-clutch automatic transmission has been realized the power shfit of gearshift procedure, at gearshift procedure, interrupt power, overcome the deficiency of AMT, solved the shortcoming of AMT shifting shock, the good advantages of property of automatic shft such as AT, CVT have been retained, this makes vehicle in gearshift procedure, the power of motor can be delivered to wheel all the time, gear shift is steady rapidly, not only guaranteed the acceleration of vehicle, and because vehicle no longer produces the abrupt deceleration situation causing due to gear shift, also improved greatly the travelling comfort of vehicle operating.Nowadays double clutch device is used in automotive transmission more and more with its plurality of advantages, and this structure double clutch generally has the lubricating fitting that inside and outside two clutches share a lubricating structure.During shifting of transmission, the power intake of the connecting engine of double clutch engages in friction pair mode with the clutch end that is connected speed changer, the friction pair that in engaging process, friction plate and steel disc form overcomes rotation speed discrepancy and produces a large amount of heat energy, this heat energy must in time and be taken away effectively, guarantee that surface of friction pair temperature is in its normal range of operation, requiring double clutch to lubricate puts in place, this just requires the lubricating fitting of double clutch can be simpler, provide more quickly lubricating oil to be lubricated, thereby avoid double clutch friction pair Yin Gaowen accumulation that ablation occurs and hydraulic performance decline even lost efficacy.And along with automotive engineering ground development, dual-clutch transmission will constantly be promoted with its more superior property of automatic shft and better its market application demand of Economy, the power requirements of its double clutch system and heat load require increasing, also corresponding raising of the double clutch lubricating requirement matching.The double clutch lubricating fitting of the dual-clutch transmission on domestic market generally by designing a clutch spindle in double clutch device, on main shaft, be designed with and drive oil duct and oil leab, the lubricating oil of double clutch is provided by transmission fluid pressure device, by case of transmission oil duct and some attached fluid transmitting sets, lubricating oil is transferred to clutch spindle, by main shaft, offering clutch friction pair is again lubricated, this just requires a clutch spindle with multiple oil channel structure, the demand of multiple oil duct makes clutch spindle manufacturing process complicated, manufacture cost is higher.Therefore, how in limited compact speed changer space, simplify and optimize clutch lubrication structure, utilization is on existing speed changer component, such as transmission input shaft and clutch release assembly etc., design clutch lubrication structure is the important directions that we improve double clutch lubrication system and performance.Open day is on December 28th, 2013, publication number is that the Chinese patent document of CN103453125A discloses a kind of dual-clutch transmission cooling and lubricating system, relates to car transmissions technical field, for controlling lubrication flow, save energy consumption, improve cooling effectiveness and design.This system comprises: first clutch lubricating structure and second clutch lubricating structure, and the entry end of these two passages all connects lubricant source, outlet end and is all connected to first clutch and second clutch, and is provided with guiding valve in these two passages; When described first clutch and second clutch sliding wear, described first clutch lubricating structure and second clutch lubricating structure are all connected to the conduction terminal of described guiding valve; At clutch, engage completely or completely after separation, one in described first clutch lubricating structure and second clutch lubricating structure is connected to the conduction terminal of described guiding valve, the cut-off end that another is connected to described guiding valve.This system is controlled the flow of lubricant of different clutches under different operating modes by valve, thereby reaches control lubrication flow, saves energy consumption, improves the object of cooling effectiveness.But this system needs a large amount of valves and corresponding control system, and not only pipeline structure is complicated, and cost is high, and the setting of numerous valves causes the reliability of system to reduce, and easily occurs potential safety hazard.
Summary of the invention
The object of the invention is problem for solving that the dual-clutch transmission cooling and lubricating system pipeline structure of prior art is complicated, cost is high, reliability is low and easily occurring potential safety hazard a kind of simple in structure, reliability is high and Security is good double clutch lubricating structure for dual-clutch transmission is provided.
The present invention solves the problems of the technologies described above adopted technological scheme to be: a kind of double clutch lubricating structure for dual-clutch transmission, be arranged on dual-clutch transmission, described dual-clutch transmission comprises double clutch and oil supplying device, described double clutch comprises drive plate and speed changer the first input shaft and the second input shaft being connected with drive unit, the second input shaft is set on the first input shaft, drive plate passes through first clutch, first clutch splined hub is connected with the first input shaft, drive plate passes through second clutch, second clutch splined hub is connected with the second input shaft, described oil supplying device comprises electronic oil pump, electronic oil pump connects clutch release assembly by lubricant pipe, between clutch release assembly and the second input shaft, be provided with the shoe cream room of sealing, between the second input shaft and the first input shaft, be provided with oil leab, second input shaft at described shoe cream room place is interval with on axially and is provided with front oilhole and rear oilhole, described shoe cream room is communicated with described oil leab by front oilhole and rear oilhole, the first input shaft between front oilhole and rear oilhole is provided with the first input shaft seal ring, the first input shaft seal ring is divided into front oil leab and rear oil leab by described oil leab, described front oil leab is communicated with shoe cream room by front oilhole, second clutch splined hub is provided with oil baffle disc near first clutch splined hub one side, the front port of front oil leab is outwards by the cavity between second clutch splined hub and oil baffle disc, second clutch and first clutch form the first lubrication channel, described shoe cream room is communicated with rear oil leab and is formed the second lubrication channel by rear oilhole, rear oil groove formation the 3rd lubrication channel that the front port of front oil leab is turned back backward and arranged by second clutch splined hub and the second input shaft engagement place, the front oil groove that the front port of front oil leab arranges by first clutch splined hub and the first input shaft engagement place forward forms the 4th lubrication channel.
The present invention arranges four lubrication passages on double clutch device, transmission electronic oil pump provides all lubricating oils for whole transmission system, lubricating oil comprising double clutch, lubricating oil enters the lubricant pipe that is arranged in speed changer inside by electronic oil pump, the outlet of lubricant pipe is connecting clutch release assembly, in clutch release assembly, be designed with special in the oil duct of lubricating oil, owing to being provided with shoe cream room between clutch release assembly and speed changer the second input shaft, lubricating oil is by this shoe cream room, oil leab before and after entering through the front and back oilhole on speed changer the second input shaft respectively, wherein front oil leab is communicated with first, the the 3rd and the 4th lubrication channel, rear oil leab is communicated with the second lubrication channel.The lubricating oil of the first lubrication channel is lubricated cooling to critical piece first clutch, the second clutch of double clutch.The lubricating oil of the second lubrication channel is cooling to being lubricated between the first input shaft of dual-clutch transmission and the second input shaft.The lubricating oil of the 3rd lubrication channel is to clutch release assembly lubrication.The lubricating oil of the 4th lubrication channel is lubricated cooling to the bearing between the first input shaft and drive unit.Like this, four lubrication channels of the present invention to each of double clutch device mainly rub, heating position all carried out effectively lubricated and cooling, the dual-clutch transmission cooling and lubricating system pipeline structure that solved prior art is complicated, cost is high, reliability is low and easily occur the problem of potential safety hazard, and a kind of simple in structure, reliability is high and Security is good double clutch lubricating structure is provided.
As preferably, the aperture of front oilhole is greater than the aperture of rear oilhole, the cross-section area of rear oil groove is greater than the cross-section area of front oil groove, and the flow of lubrication of first lubrication channel of flowing through, the second lubrication channel, the 3rd lubrication channel and the 4th lubrication channel reduces successively.The present invention is by arranging the aperture of oilhole, front and back, the cross-section area of front and back oil groove is big or small, the lubrication flow ratio that designs different demands according to different lubrication objects is carried out cooling to lubrication object separately, the oil mass size of each lubrication channel of reasonable distribution, lubrication flow is more effectively utilized, reduce flow loss, raise the efficiency.Oilhole aperture described here or oil groove cross-section area are meet the condition that first to fourth lubrication channel reduces successively and arrange by its flow of lubrication.
As preferably, the front oil groove that first clutch splined hub and the first input shaft engagement place arrange is the axial notch between two key teeth that are arranged on first clutch splined hub internal spline or on the first input shaft external splines; The rear oil groove that described second clutch splined hub and the second input shaft engagement place arrange is the axial notch between two key teeth that are arranged on second clutch splined hub internal spline or on the second input shaft external splines.The present invention forms oil groove by reducing by a spline tooth in the internal spline of clutch splined hub or the external splines structure of input shaft, has solved well the problem that arranges of oil leab, and this structure also can be lubricated spline cooling simultaneously.
As preferably, the outer periphery of drive plate bends backward and forms first clutch steel disc fixing frame, the rear end of first clutch steel disc fixing frame is connected with the outboard end of outer disk link press span, between first clutch steel disc fixing frame and outer disk link press span, be provided with outer snap ring, the medial extremity of outer disk link press span is rotatably connected by needle bearing and second clutch splined hub; The outer periphery of first clutch splined hub bends backward and forms first clutch friction plate fixing frame, on the outer circumferential face of first clutch steel disc fixing frame and first clutch friction plate fixing frame, is equipped with oilhole.
As preferably, the outer periphery of second clutch splined hub bends forward and forms second clutch friction plate fixing frame, outer disk link press span is provided with for the fixing second clutch outer disk of second clutch steel disc, between second clutch outer disk and outer disk link press span, be provided with interior snap ring, on the outer circumferential face of second clutch outer disk and second clutch splined hub, be equipped with oilhole.
As preferably, the rear end of first clutch is provided with first clutch end steel disc, the outer disk link press span corresponding with first clutch end steel disc is provided with through hole, the clutch tooth that is arranged on first clutch separator disk outer periphery front end is positioned at described through hole, the inner periphery of first clutch separator disk is connected with the first clutch release bearing being arranged on clutch release assembly by the separated pad of first clutch, between outer disk link press span and first clutch separator disk, is provided with first clutch Returnning spring.
As preferably, the rear end of second clutch is provided with second clutch end steel disc, the outer disk link press span corresponding with second clutch end steel disc is provided with through hole, the clutch tooth that is arranged on second clutch separator disk outer periphery front end is positioned at described through hole, the inner periphery of second clutch separator disk is connected with the second clutch release bearing being arranged on clutch release assembly by the separated pad of second clutch, between outer disk link press span and second clutch separator disk, is provided with second clutch Returnning spring.
As preferably, before and after shoe cream room, between the second input shaft of both sides and clutch release assembly, be respectively equipped with the front seal ring of the second input shaft and the second input shaft increasing back sealing ring, the second input shaft of clutch release assembly rear side is provided with the second bearing of input shaft and bearing snap ring, between the first input shaft of bearing inner side and the second input shaft, is provided with needle bearing.
As preferably, first clutch splined hub and second clutch splined hub and be equipped with thrust-bearing between the double clutch drive hub of drive plate central authorities, the centre of double clutch drive hub is provided with cavity, the front end of the first input shaft is arranged in cavity, between the first input shaft and double clutch drive hub, is provided with needle bearing.
As preferably, dual-clutch transmission comprises speed changer front case and speed changer rear case, and electronic oil pump is arranged on speed changer rear case outside by connection set, and lubricating oil inlet is arranged on the joint of electronic oil pump and speed changer rear case.
In structure of the present invention is described, the upper and lower position relationship in front and back is such: front side is the side near drive plate, rear side is the side near lubricant pipe, and outside is speed changer outer Monday of the side near electronic oil pump, and inner side is the side near the first input shaft.
The present invention arranges four lubrication passages on double clutch device, and the lubricating oil of the first lubrication channel is lubricated cooling to the thrust-bearing between main high temperature component first clutch friction plate, second clutch friction plate, first clutch steel disc, second clutch steel disc and first clutch splined hub and the second clutch splined hub of double clutch.The lubricating oil of the second lubrication channel is lubricated cooling to the needle bearing bearing between the first input shaft of dual-clutch transmission and the second input shaft.The lubricating oil of the 3rd lubrication channel is lubricated cooling to the needle bearing between double clutch outer disk link press span medial extremity and second clutch splined hub, first clutch release bearing and second clutch release bearing, the separated pad of first clutch and the separated pad of second clutch on clutch release assembly.The lubricating oil of the 4th lubrication channel is lubricated cooling to the needle bearing between the thrust-bearing between double clutch first clutch splined hub and double clutch drive hub, the first input shaft and double clutch drive hub.Like this, four lubrication channels of the present invention to each of double clutch device mainly rub, heating position all carried out effectively lubricated and cooling.And the double clutch market product of prior art be all generally by increasing by one, there is multiple oil duct, complex structure, clutch spindle that manufacture cost is higher is arranged in clutch rear end, with it, connect clutch and speed changer and clutch be lubricated cooling as primary lubricant passage.Advantage of the present invention is not increase under the prerequisite of clutch spindle, make full use of existing speed changer part apparatus, as clutch release assembly and transmission input shaft, form a plurality of clutch lubrication passages, respectively to double clutch high temperature component friction plate and steel disc, and bearing and pad etc. are lubricated cooling, saved the occupied axial space of clutch spindle, make transmission shaft to shorter, more compact structure, and reduced manufacture difficulty.
The invention has the beneficial effects as follows: it has effectively solved that the dual-clutch transmission cooling and lubricating system pipeline structure of prior art is complicated, cost is high, reliability is low and has easily occurred the problem of potential safety hazard, the present invention is simple in structure, reliability is high and Security is good, has very high use value.
Accompanying drawing explanation
Fig. 1 is a kind of structure sectional view of the present invention;
Fig. 2 is a kind of cross-sectional structure schematic diagram of clutch splined hub of the present invention and input shaft engagement place;
Fig. 3 is the another kind of cross-sectional structure schematic diagram of clutch splined hub of the present invention and input shaft engagement place;
Fig. 4 is a kind of lubrication flow distribution diagram of lubrication channel of the present invention.
In figure: 10. dual-clutch transmission, 11. drive units, 12. drive plates, 13. first clutch splined hub, 14. oil baffle discs, 15. second clutch splined hub, 16. second clutch friction plates, 17. second clutch steel discs, 18. second clutch outer disks, 20. double clutches, 21. first double clutch friction plates, 22. first clutch steel discs, 23. outer disk link press spans, 24. outer snap rings, 30. oil supplying devices, 31. first clutch end steel discs, 32. first clutch separator disks, 33. first clutch Returnning springs, 34. interior snap rings, 35. second clutch end steel discs, 36. second clutch separator disks, 37. second clutch Returnning springs, 41. double clutch drive hub, 42. cavitys, 43. thrust-bearings, 45. oil leabs, 46. needle bearings, 47. second input shafts, 48. first input shafts, 49. front oil leabs, the separated pad of 51. first clutches, the separated pad of 52. second clutches, 53. first clutch release bearings, 54. second clutch release bearings, 55. lubricant pipes, 56. clutch release assemblies, 58. second bearings of input shaft, 60. shoe cream rooms, seal ring before 61. second input shafts, 62. front oilholes, 63. first input shaft seal rings, 64. rear oilholes, 65. second input shaft increasing back sealing rings, 66. bearing snap rings, 68. rear oil leabs, 71. speed changer front cases, 72. speed changer rear cases, 73. electronic oil pumps, 74. connection sets, F. lubricating oil inlet, F1. the first lubrication channel, F2. the second lubrication channel, F3. the 3rd lubrication channel, F4. the 4th lubrication channel.
Embodiment
Below by embodiment, and by reference to the accompanying drawings the embodiment of technical solution of the present invention is further described.
Embodiment 1
In embodiment 1 as shown in Figure 1, a kind of double clutch lubricating structure for dual-clutch transmission, be arranged on dual-clutch transmission 10, described dual-clutch transmission comprises double clutch 20 and oil supplying device 30, described double clutch comprises drive plate 12 and speed changer the first input shaft 48 and the second input shaft 47 being connected with drive unit 11, the second input shaft is set on the first input shaft, drive plate passes through first clutch, first clutch splined hub 13 is connected with the first input shaft, drive plate passes through second clutch, second clutch splined hub 15 is connected with the second input shaft, it is characterized in that: described oil supplying device comprises electronic oil pump 73, electronic oil pump connects clutch release assembly 56 by lubricant pipe 55, between clutch release assembly and the second input shaft, be provided with the shoe cream room 60 of sealing, between the second input shaft and the first input shaft, be provided with oil leab, second input shaft at described shoe cream room place is interval with on axially and is provided with front oilhole 62 and rear oilhole 64, described shoe cream room is communicated with described oil leab by front oilhole and rear oilhole, the first input shaft between front oilhole and rear oilhole is provided with the first input shaft seal ring 63, the first input shaft seal ring is divided into front oil leab 49 and rear oil leab 68 by described oil leab, described front oil leab is communicated with shoe cream room by front oilhole, second clutch splined hub is provided with oil baffle disc 14 near first clutch splined hub one side, the front port of front oil leab is outwards by the cavity between second clutch splined hub and oil baffle disc, second clutch and first clutch form the first lubrication channel F1, described shoe cream room is communicated with rear oil leab and is formed the second lubrication channel F2 by rear oilhole, rear oil groove 45 formation the 3rd lubrication channel F3 that the front port of front oil leab is turned back backward and arranged by second clutch splined hub and the second input shaft engagement place, the front oil groove 44 that the front port of front oil leab arranges by first clutch splined hub and the first input shaft engagement place forward forms the 4th lubrication channel F4(lubrication channel and sees shown in Fig. 1 dotted line).The aperture of the front oilhole of the present embodiment is greater than the aperture of rear oilhole, the cross-section area of rear oil groove is greater than the cross-section area of front oil groove, and the flow of lubrication of the first lubrication channel F1 that flows through, the second lubrication channel F2, the 3rd lubrication channel F3 and the 4th lubrication channel F4 reduces (see figure 4) successively.
The front oil groove that first clutch splined hub and the first input shaft engagement place arrange is the axial notch (see figure 2) between two key teeth that are arranged on first clutch splined hub internal spline; The rear oil groove that second clutch splined hub and the second input shaft engagement place arrange is the axial notch between two key teeth that are arranged on second clutch splined hub internal spline.
The outer periphery of drive plate bends backward and forms first clutch steel disc 22 fixing frames, the rear end of first clutch steel disc fixing frame is connected with the outboard end of outer disk link press span 23, between first clutch steel disc fixing frame and outer disk link press span, be provided with outer snap ring 24, the medial extremity of outer disk link press span is rotatably connected by needle bearing 46 and second clutch splined hub; The outer periphery of first clutch splined hub bends backward and forms first clutch friction plate 21 fixing frames, on the outer circumferential face of first clutch steel disc fixing frame and first clutch friction plate fixing frame, is equipped with oilhole.
The outer periphery of second clutch splined hub bends forward and forms second clutch friction plate 16 fixing frames, outer disk link press span is provided with for the fixing second clutch outer disk 18 of second clutch steel disc 17, between second clutch outer disk and outer disk link press span, be provided with interior snap ring 34, on the outer circumferential face of second clutch outer disk and second clutch splined hub, be equipped with oilhole.
The rear end of first clutch is provided with first clutch end steel disc 31, the outer disk link press span corresponding with first clutch end steel disc is provided with through hole, the clutch tooth that is arranged on first clutch separator disk 32 outer periphery front ends is positioned at described through hole, the inner periphery of first clutch separator disk is connected with the first clutch release bearing 53 being arranged on clutch release assembly by the separated pad 51 of first clutch, between outer disk link press span and first clutch separator disk, is provided with first clutch Returnning spring 33.
The rear end of second clutch is provided with second clutch end steel disc 35, the outer disk link press span corresponding with second clutch end steel disc is provided with through hole, the clutch tooth that is arranged on second clutch separator disk 36 outer periphery front ends is positioned at described through hole, the inner periphery of second clutch separator disk is connected with the second clutch release bearing 54 being arranged on clutch release assembly by the separated pad 52 of second clutch, between outer disk link press span and second clutch separator disk, is provided with second clutch Returnning spring 37.
Before and after shoe cream room, between the second input shaft of both sides and clutch release assembly, be respectively equipped with the front seal ring 61 of the second input shaft and the second input shaft increasing back sealing ring 65, the second input shaft of clutch release assembly rear side is provided with the second bearing of input shaft 58 and bearing snap ring 66, between the first input shaft of bearing inner side and the second input shaft, is provided with needle bearing.
First clutch splined hub and second clutch splined hub and be equipped with thrust-bearing 43 between the double clutch drive hub 41 of drive plate central authorities, the centre of double clutch drive hub is provided with cavity 42, the front end of the first input shaft is arranged in cavity, between the first input shaft and double clutch drive hub, is provided with needle bearing 46.
Dual-clutch transmission comprises speed changer front case 71 and speed changer rear case 72, and electronic oil pump is arranged on speed changer rear case outside by connection set 74, and lubricating oil inlet F is arranged on the joint of electronic oil pump and speed changer rear case.
In structure of the present invention is described, front and back are so up and down: front side is that a side of close drive plate is the right side of Fig. 1, rear side is that a side of close lubricant pipe is the left side of Fig. 1, outside is for being the upside of Fig. 1 near the speed changer of electronic oil pump outer Monday of side, inner side for the side near the first input shaft be the downside of Fig. 1.
Embodiment 2
The front oil groove that embodiment 2 first clutch splined hub and the first input shaft engagement place arrange is the axial notch between two key teeth that are arranged on the first input shaft external splines; The rear oil groove that second clutch splined hub and the second input shaft engagement place arrange is the axial notch (see figure 3) between two key teeth that are arranged on the second input shaft external splines, and all the other are identical with embodiment 1.
During lubricating structure work of the present invention, lubricating oil enters the shoe cream room between clutch release assembly and the second input shaft from electronic oil pump through lubricant pipe, shoe cream room is connected with four lubrication passages by the front and back oilhole on the second input shaft, and the lubricating oil of the first lubrication channel is lubricated cooling to the thrust-bearing between main high temperature component first clutch friction plate, second clutch friction plate, first clutch steel disc, second clutch steel disc and first clutch splined hub and the second clutch splined hub of double clutch.The lubricating oil of the second lubrication channel is lubricated cooling to the needle bearing bearing between the first input shaft of dual-clutch transmission and the second input shaft.The lubricating oil of the 3rd lubrication channel is lubricated cooling to the needle bearing between double clutch outer disk link press span medial extremity and second clutch splined hub, first clutch release bearing and second clutch release bearing, the separated pad of first clutch and the separated pad of second clutch on clutch release assembly.The lubricating oil of the 4th lubrication channel is lubricated cooling to the needle bearing between the thrust-bearing between double clutch first clutch splined hub and double clutch drive hub, the first input shaft and double clutch drive hub.The present invention is not increasing under the prerequisite of clutch spindle, make full use of existing clutch release assembly and transmission input shaft, form a plurality of clutch lubrication passages, to double clutch high temperature component friction plate and steel disc and bearing and pad etc., be lubricated cooling respectively, saved the occupied axial space of clutch spindle, make transmission shaft to shorter, more compact structure, and reduced cost of production.
In addition to the implementation; in claims of the present invention and the disclosed scope of specification; technical characteristics of the present invention or technical data can reselect and combine; thereby form new embodiment; it is that those skilled in the art just can realize easily without creative work that these the present invention do not have the mode of execution of describing in detail, so these embodiments that do not describe in detail also should be considered as specific embodiments of the invention and within protection scope of the present invention.
Claims (10)
1. the double clutch lubricating structure for dual-clutch transmission, be arranged on dual-clutch transmission (10), described dual-clutch transmission comprises double clutch (20) and oil supplying device (30), described double clutch comprises drive plate (12) and speed changer the first input shaft (48) and the second input shaft (47) being connected with drive unit (11), the second input shaft is set on the first input shaft, drive plate passes through first clutch, first clutch splined hub (13) is connected with the first input shaft, drive plate passes through second clutch, second clutch splined hub (15) is connected with the second input shaft, it is characterized in that: described oil supplying device comprises electronic oil pump (73), electronic oil pump connects clutch release assembly (56) by lubricant pipe (55), between clutch release assembly and the second input shaft, be provided with the shoe cream room (60) of sealing, between the second input shaft and the first input shaft, be provided with oil leab, second input shaft at described shoe cream room place is interval with on axially and is provided with front oilhole (62) and rear oilhole (64), described shoe cream room is communicated with described oil leab by front oilhole and rear oilhole, the first input shaft between front oilhole and rear oilhole is provided with the first input shaft seal ring (63), the first input shaft seal ring is divided into front oil leab (49) and rear oil leab (68) by described oil leab, described front oil leab is communicated with shoe cream room by front oilhole, second clutch splined hub is provided with oil baffle disc (14) near first clutch splined hub one side, the front port of front oil leab is outwards by the cavity between second clutch splined hub and oil baffle disc, second clutch and first clutch form the first lubrication channel (F1), described shoe cream room is communicated with rear oil leab and is formed the second lubrication channel (F2) by rear oilhole, rear oil groove (45) formation the 3rd lubrication channel (F3) that the front port of front oil leab is turned back backward and arranged by second clutch splined hub and the second input shaft engagement place, the front oil groove (44) that the front port of front oil leab arranges by first clutch splined hub and the first input shaft engagement place forward forms the 4th lubrication channel (F4).
2. the double clutch lubricating structure for dual-clutch transmission according to claim 1, it is characterized in that, the aperture of described front oilhole is greater than the aperture of rear oilhole, the cross-section area of rear oil groove is greater than the cross-section area of front oil groove, and the flow of lubrication of first lubrication channel of flowing through, the second lubrication channel, the 3rd lubrication channel and the 4th lubrication channel reduces successively.
3. the double clutch lubricating structure for dual-clutch transmission according to claim 2, it is characterized in that, the front oil groove that described first clutch splined hub and the first input shaft engagement place arrange is the axial notch between two key teeth that are arranged on first clutch splined hub internal spline or on the first input shaft external splines; The rear oil groove that described second clutch splined hub and the second input shaft engagement place arrange is the axial notch between two key teeth that are arranged on second clutch splined hub internal spline or on the second input shaft external splines.
4. the double clutch lubricating structure for dual-clutch transmission according to claim 1, it is characterized in that, the outer periphery of drive plate bends backward and forms first clutch steel disc (22) fixing frame, the rear end of first clutch steel disc fixing frame is connected with the outboard end of outer disk link press span (23), between first clutch steel disc fixing frame and outer disk link press span, be provided with outer snap ring (24), the medial extremity of outer disk link press span is rotatably connected by needle bearing (46) and second clutch splined hub; The outer periphery of first clutch splined hub bends backward and forms first clutch friction plate (21) fixing frame, on the outer circumferential face of first clutch steel disc fixing frame and first clutch friction plate fixing frame, is equipped with oilhole.
5. the double clutch lubricating structure for dual-clutch transmission according to claim 1, it is characterized in that, the outer periphery of second clutch splined hub bends forward and forms second clutch friction plate (16) fixing frame, outer disk link press span is provided with for the fixing second clutch outer disk (18) of second clutch steel disc (17), between second clutch outer disk and outer disk link press span, be provided with interior snap ring (34), on the outer circumferential face of second clutch outer disk and second clutch splined hub, be equipped with oilhole.
6. the double clutch lubricating structure for dual-clutch transmission according to claim 1, it is characterized in that, the rear end of first clutch is provided with first clutch end steel disc (31), the outer disk link press span corresponding with first clutch end steel disc is provided with through hole, the clutch tooth that is arranged on first clutch separator disk (32) outer periphery front end is positioned at described through hole, the inner periphery of first clutch separator disk is connected with the first clutch release bearing (53) being arranged on clutch release assembly by the separated pad of first clutch (51), between outer disk link press span and first clutch separator disk, be provided with first clutch Returnning spring (33).
7. the double clutch lubricating structure for dual-clutch transmission according to claim 1, it is characterized in that, the rear end of second clutch is provided with second clutch end steel disc (35), the outer disk link press span corresponding with second clutch end steel disc is provided with through hole, the clutch tooth that is arranged on second clutch separator disk (36) outer periphery front end is positioned at described through hole, the inner periphery of second clutch separator disk is connected with the second clutch release bearing (54) being arranged on clutch release assembly by the separated pad of second clutch (52), between outer disk link press span and second clutch separator disk, be provided with second clutch Returnning spring (37).
8. the double clutch lubricating structure for dual-clutch transmission according to claim 1, it is characterized in that, before and after shoe cream room, between the second input shaft of both sides and clutch release assembly, be respectively equipped with the front seal ring (61) of the second input shaft and the second input shaft increasing back sealing ring (65), the second input shaft of clutch release assembly rear side is provided with the second bearing of input shaft (58) and bearing snap ring (66), between the first input shaft of bearing inner side and the second input shaft, is provided with needle bearing.
9. according to the double clutch lubricating structure for dual-clutch transmission described in claim 1 or 2 or 3 or 4 or 5 or 6 or 7 or 8, it is characterized in that, first clutch splined hub and second clutch splined hub and be positioned between the double clutch drive hub (41) of drive plate central authorities and be equipped with thrust-bearing (43), the centre of double clutch drive hub is provided with cavity (42), the front end of the first input shaft is arranged in cavity, is provided with needle bearing (46) between the first input shaft and double clutch drive hub.
10. according to the double clutch lubricating structure for dual-clutch transmission described in claim 1 or 2 or 3 or 4 or 5 or 6 or 7 or 8, it is characterized in that, dual-clutch transmission comprises speed changer front case (71) and speed changer rear case (72), electronic oil pump is arranged on speed changer rear case outside by connection set (74), and lubricating oil inlet (F) is arranged on the joint of electronic oil pump and speed changer rear case.
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| CN201410077642.1A CN104061319B (en) | 2014-03-05 | 2014-03-05 | A kind of double clutch lubrication system for dual-clutch transmission |
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| CN201410077642.1A CN104061319B (en) | 2014-03-05 | 2014-03-05 | A kind of double clutch lubrication system for dual-clutch transmission |
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| CN104061319B CN104061319B (en) | 2016-08-17 |
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| CN107339410A (en) * | 2016-04-29 | 2017-11-10 | Zf 腓德烈斯哈芬股份公司 | Exclusion body in transmission for vehicles |
| KR20170135740A (en) * | 2016-05-31 | 2017-12-08 | 발레오 앙브라이아쥐 | Cooling system for clutch mechanism |
| CN109277878A (en) * | 2018-11-12 | 2019-01-29 | 杭州双龙机械有限公司 | A kind of feed arrangement that hydraulic rocker bores |
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| CN109790875A (en) * | 2016-10-06 | 2019-05-21 | 舍弗勒技术股份两合公司 | Double clutch device |
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| WO2021000988A1 (en) | 2019-07-04 | 2021-01-07 | Schaeffler Technologies AG & Co. KG | Drive unit having coolant guidance system for supplying and distributing a fluid flow between two gearbox input shafts |
| CN112443590A (en) * | 2019-09-05 | 2021-03-05 | 广州汽车集团股份有限公司 | Vehicle and wet-type double clutch |
| CN113536446A (en) * | 2020-04-16 | 2021-10-22 | 广州汽车集团股份有限公司 | Temperature rise simulation method for friction sliding, combination and separation processes of wet clutch |
| CN114060500A (en) * | 2021-12-03 | 2022-02-18 | 安徽江淮汽车集团股份有限公司 | Automatic lubricating oil regulation and control system and method for DCT (dual clutch transmission) |
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| CN107339410A (en) * | 2016-04-29 | 2017-11-10 | Zf 腓德烈斯哈芬股份公司 | Exclusion body in transmission for vehicles |
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| CN109790875A (en) * | 2016-10-06 | 2019-05-21 | 舍弗勒技术股份两合公司 | Double clutch device |
| WO2019032155A1 (en) * | 2017-08-10 | 2019-02-14 | Schaeffler Technologies AG & Co. KG | Carrier hub and bearing assembly having a connecting sleeve |
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| CN109277878A (en) * | 2018-11-12 | 2019-01-29 | 杭州双龙机械有限公司 | A kind of feed arrangement that hydraulic rocker bores |
| WO2021000988A1 (en) | 2019-07-04 | 2021-01-07 | Schaeffler Technologies AG & Co. KG | Drive unit having coolant guidance system for supplying and distributing a fluid flow between two gearbox input shafts |
| DE102019118079B4 (en) * | 2019-07-04 | 2021-03-18 | Schaeffler Technologies AG & Co. KG | Drive unit with coolant control system for supplying and dividing a fluid flow between two transmission input shafts |
| DE102019118079A1 (en) * | 2019-07-04 | 2021-01-07 | Schaeffler Technologies AG & Co. KG | Drive unit with coolant control system for supplying and dividing a fluid flow between two transmission input shafts |
| CN113939667A (en) * | 2019-07-04 | 2022-01-14 | 舍弗勒技术股份两合公司 | Drive unit having a coolant conduction system for conveying and distributing a fluid flow between two transmission input shafts |
| CN112443590A (en) * | 2019-09-05 | 2021-03-05 | 广州汽车集团股份有限公司 | Vehicle and wet-type double clutch |
| CN110630651A (en) * | 2019-09-06 | 2019-12-31 | 深圳臻宇新能源动力科技有限公司 | Shaft, double-clutch automatic transmission structure with same and vehicle |
| CN110513467A (en) * | 2019-09-06 | 2019-11-29 | 深圳臻宇新能源动力科技有限公司 | Dual-clutch transmission and vehicle with it |
| CN113536446A (en) * | 2020-04-16 | 2021-10-22 | 广州汽车集团股份有限公司 | Temperature rise simulation method for friction sliding, combination and separation processes of wet clutch |
| CN114060500A (en) * | 2021-12-03 | 2022-02-18 | 安徽江淮汽车集团股份有限公司 | Automatic lubricating oil regulation and control system and method for DCT (dual clutch transmission) |
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Address after: 315336 Binhai New Area, Hangzhou Bay, Zhejiang, No. two, No. 818 Road, No. Applicant after: Ningbo lucky Luo You engine component Co., Ltd Applicant after: Zhejiang Geely Luoyou Engine Co., Ltd. Applicant after: Ji'nan Geely Auto Parts Co., Ltd. Applicant after: Hunan Luoyou Engine Parts Co., Ltd. Applicant after: Shandong Jili Transmission Co., Ltd. Applicant after: Ningbo Shangzhongxia Automatic Transmission Co., Ltd. Applicant after: Hunan Jisheng International Power Transmission System Co., Ltd. Applicant after: Zhejiang Geely Holding Group Co., Ltd. Address before: 310051 Jiangling Road, Hangzhou, Zhejiang, No. 1760, No. Applicant before: Zhejiang Geely Holding Group Co., Ltd. Applicant before: Ningbo lucky Luo You engine component Co., Ltd Applicant before: Zhejiang Geely Luoyou Engine Co., Ltd. Applicant before: Ji'nan Geely Auto Parts Co., Ltd. Applicant before: Hunan Luoyou Engine Parts Co., Ltd. Applicant before: Shandong Jili Transmission Co., Ltd. Applicant before: Ningbo Shangzhongxia Automatic Transmission Co., Ltd. Applicant before: Hunan Jisheng International Power Transmission System Co., Ltd. |
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Free format text: CORRECT: APPLICANT; FROM: ZHEJIANG GEELY AUTOMOBILE RESEARCH INSTITUTE CO., LTD. TO: ZHEJIANG GEELYLUOYOU ENGINE PARTS CO., LTD. |
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Effective date of registration: 20151230 Address after: 315336 Binhai New Area, Hangzhou Bay, Zhejiang, No. two, No. 818 Road, No. Applicant after: Ningbo lucky Luo You engine component Co., Ltd Applicant after: Zhejiang Geely Luoyou Engine Co., Ltd. Applicant after: Ji'nan Geely Auto Parts Co., Ltd. Applicant after: Hunan Luoyou Engine Parts Co., Ltd. Applicant after: Ningbo Shangzhongxia Automatic Transmission Co., Ltd. Applicant after: Zhejiang Geely Holding Group Co., Ltd. Address before: 315336 Binhai New Area, Hangzhou Bay, Zhejiang, No. two, No. 818 Road, No. Applicant before: Ningbo lucky Luo You engine component Co., Ltd Applicant before: Zhejiang Geely Luoyou Engine Co., Ltd. Applicant before: Ji'nan Geely Auto Parts Co., Ltd. Applicant before: Hunan Luoyou Engine Parts Co., Ltd. Applicant before: Shandong Jili Transmission Co., Ltd. Applicant before: Ningbo Shangzhongxia Automatic Transmission Co., Ltd. Applicant before: Hunan Jisheng International Power Transmission System Co., Ltd. Applicant before: Zhejiang Geely Holding Group Co., Ltd. |
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Effective date of registration: 20160811 Address after: 315800 Zhejiang city of Ningbo province Beilun xinqie Hengshan Road No. 1528 Building 2, No. 3 Patentee after: Ningbo Shangzhongxia Automatic Transmission Co., Ltd. Address before: 315336 Binhai New Area, Hangzhou Bay, Zhejiang, No. two, No. 818 Road, No. Patentee before: Ningbo lucky Luo You engine component Co., Ltd Patentee before: Zhejiang Geely Luoyou Engine Co., Ltd. Patentee before: Ji'nan Geely Auto Parts Co., Ltd. Patentee before: Hunan Luoyou Engine Parts Co., Ltd. Patentee before: Ningbo Shangzhongxia Automatic Transmission Co., Ltd. Patentee before: Zhejiang Geely Holding Group Co., Ltd. |