CN113530998A - Special gearbox separation clutch module for hybrid power - Google Patents
Special gearbox separation clutch module for hybrid power Download PDFInfo
- Publication number
- CN113530998A CN113530998A CN202010316037.0A CN202010316037A CN113530998A CN 113530998 A CN113530998 A CN 113530998A CN 202010316037 A CN202010316037 A CN 202010316037A CN 113530998 A CN113530998 A CN 113530998A
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- clutch module
- hub
- piston
- friction plate
- hybrid
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- 238000000926 separation method Methods 0.000 title claims abstract description 13
- 230000005540 biological transmission Effects 0.000 claims description 23
- 239000012530 fluid Substances 0.000 claims description 12
- 230000009471 action Effects 0.000 claims description 11
- 238000010586 diagram Methods 0.000 description 7
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000007789 sealing Methods 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
- 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
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/10—Structural association with clutches, brakes, gears, pulleys or mechanical starters
- H02K7/108—Structural association with clutches, brakes, gears, pulleys or mechanical starters with friction clutches
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/64—Electric machine technologies in electromobility
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Mechanical Engineering (AREA)
- Hybrid Electric Vehicles (AREA)
Abstract
The invention discloses a special gearbox separating clutch module for hybrid power, which is applied to a driving system of a motor vehicle and is arranged around a central axis, and comprises: the clutch module comprises an inner shell, an outer shell and a friction plate set; the input hub is used for being externally connected with an engine and connected with the inner shell; the output hub is used for being externally connected with the gearbox and connected with the outer shell; a motor member including a rotor fixedly connected to the outer housing; the output ends of the actuating component and the resetting component act on the friction plate set to promote the combination or the separation of the friction plate set; in the combined state of the friction plate sets, the input hub and/or the motor component can transmit power to the output hub; in the friction plate set separated state, only the motor member can transmit power to the output hub. The technical scheme can realize single power drive of the motor and/or the engine and can also realize simultaneous drive of two powers.
Description
Technical Field
The invention relates to the technical field of clutches on motor vehicles, in particular to a special gearbox separating clutch module for hybrid power.
Background
With the increase of the scale of the hybrid power and the electric automobile in the automobile market, on one hand, the whole automobile factory or the part factory adds the additional hybrid power, namely, the motor is installed at a proper position of a power transmission route based on the existing traditional engine power assembly to form the hybrid power so as to realize the improvement of the overall efficiency and the reduction of the emission of the power assembly; on the other hand, the development of a brand new hybrid transmission (DHT) is focused, that is, an automatic transmission system with a motor is implemented by integrating one or more motors into the transmission, and the hybrid driving function can be realized by adding the input of the engine. Aiming at a special gearbox for hybrid power, various products are diversified, but the common situation is that the existing products generally have larger integral structures, and the driving switching mode of a motor and an engine is not flexible.
Disclosure of Invention
In view of the above problems in the prior art, a hybrid transmission separating clutch module dedicated for hybrid power is provided, which is capable of realizing single power driving of a motor and/or an engine, and also realizing simultaneous driving of two powers, so as to overcome the above technical defects.
The specific technical scheme is as follows:
a transmission disconnect clutch module for a hybrid transmission for use in a drive system of a motor vehicle, the transmission disconnect clutch module being disposed about a central axis and comprising:
the clutch module comprises an inner shell, an outer shell and a friction plate set assembled between the inner shell and the outer shell;
the input hub is used for being externally connected with the output end of an engine of a driving system and is connected with the inner shell;
the output hub is used for being externally connected with the input end of a gearbox of the driving system and is connected with the outer shell;
the motor component comprises a rotor, and the rotor is fixedly connected with the outer shell;
the output end of the actuating component acts on the friction plate set to promote the friction plate set to be combined, and the inner shell and the outer shell move synchronously under the combined state of the friction plate set;
the output end of the reset component acts on the friction plate assembly to promote the separation of the friction plate assemblies, and the inner shell and the outer shell move independently under the state that the friction plate assemblies are separated;
in the combined state of the friction plate sets, the input hub and/or the motor component can transmit power to the output hub; in the friction plate set separated state, only the motor member can transmit power to the output hub.
Preferably, the actuating member includes a piston housing, an acting piston and a balance piston accommodated in the piston housing, and a high-pressure oil chamber is formed between the balance piston and the acting piston, and a balance oil chamber is formed between the acting piston and the piston housing, and one end of the acting piston abuts against the rear side of the friction plate set, so that the friction plate set can be forced to be combined in the moving process.
Preferably, the return member is a plurality of corrugated springs assembled between every two adjacent friction plates of the friction plate set.
Preferably, the friction plate set further comprises a supporting disk, and one end of the supporting disk abuts against the front side of the friction plate set and is arranged opposite to the acting piston so as to jointly form a member for clamping the friction plate set.
Preferably, the output hub is connected with the outer shell through the clutch hub, and the clutch hub is provided with a first oil inlet communicated with the high-pressure oil cavity and a second oil inlet communicated to the balance oil cavity.
Preferably, the motor member includes a rotor and a stator disposed about the rotor.
Preferably, still include the apron, and the inboard one end of apron is supported on input wheel hub by first ball bearing and second ball bearing, and the inboard one end of supporting disk offsets with first ball bearing.
Preferably, the end of the support disc abutting the first ball bearing is also bent into a hook shape.
Preferably, the input hub is further sleeved with a thrust bearing, and the front end of the output hub abuts against the thrust bearing.
Preferably, a fluid flow cavity is formed between the piston shell and the inner shell, at least one fluid flow hole communicating the balance oil cavity and the fluid flow cavity is formed in the piston shell, and under the working state, normal pressure oil flowing into the fluid flow cavity can cool the friction plate set and lubricate the two ball bearings and the thrust bearing.
The beneficial effects of the above technical scheme are that:
(1) the special gearbox separation clutch module for the hybrid power comprises a clutch module, an input hub, an output hub, a motor member, a stopping member and a resetting member, and the clutch is compact in structure, is connected with an engine and the motor, can realize single power drive of the motor and the engine, and can also realize simultaneous drive of two powers.
(2) The output end of the separating clutch module can be matched with gearboxes of different types, and the gearboxes special for hybrid power of different types can be realized.
Drawings
FIG. 1 is a schematic structural diagram of a disconnect clutch module for a hybrid transmission according to the present invention;
FIG. 2 is a first schematic power flow diagram of a disconnect clutch module for a hybrid transmission according to the present invention;
FIG. 3 is a power flow diagram of a disconnect clutch module for a hybrid transmission according to the present invention;
FIG. 4 is a third schematic power flow diagram of the disconnect clutch module of the hybrid transmission of the present invention.
Detailed Description
In order to make the technical means, the creation features, the achievement purposes and the effects of the invention easy to understand, the following embodiments are specifically described with reference to the attached drawings. And defines the direction from left to right as viewed in the plane of the paper in fig. 1 as the direction from back to front in this embodiment, and the direction from the direction approaching the central axis 26 to the direction away from the central axis 26 as viewed in the plane of the paper as the direction from inside to outside in this embodiment.
Referring to fig. 1 to 4, the transmission disconnect clutch module 1 for hybrid dedicated use according to the present invention is applied to a drive system of a motor vehicle, and the transmission disconnect clutch module 1 is disposed around a central axis 26 and includes:
a clutch module comprising an inner housing 8 and an outer housing 25, and a friction plate pack 6 assembled therebetween;
an input hub 13 for externally connecting the output end of the engine of the driving system and connected with the inner shell 8;
an output hub 15 for externally connecting the input end of the transmission of the drive system and connected with the outer shell 25;
the motor component comprises a rotor 3, and the rotor 3 is fixedly connected with the outer shell 25;
an actuating member, the output end of which acts on the friction plate set 6 to urge the friction plate set 6 to engage, and in the engaged state of the friction plate set 6, the inner housing 8 and the outer housing 25 move synchronously;
a reset component, the output end of which acts on the friction plate group 6 component to promote the separation of the friction plate group 6, and the inner shell 8 and the outer shell 25 move independently under the separation state of the friction plate group 6;
and, in the coupled state of the friction disc pack 6, the input hub 13 and/or the motor member can transmit power to the output hub 15; in the state where the friction plate group 6 is disengaged, only the motor member can transmit power to the output hub 15.
Based on the technical scheme, the special gearbox separation clutch module for the hybrid power comprises a clutch module, an input hub 13, an output hub 15, a motor component, a stopping component and a resetting component, the clutch is compact in structure, is connected with an engine and the motor, can realize single power drive of the motor and the engine, can also realize simultaneous drive of two powers, and the output end of the separation clutch module can be matched with gearboxes of different types, so that the special gearboxes for the hybrid power of different types can be realized.
In a preferred embodiment, the actuating member comprises a piston housing 9, an action piston 20 and a balance piston 19 accommodated in the piston housing 9, and a high-pressure oil chamber is formed between the balance piston 19 and the action piston 20, a balance oil chamber is formed between the action piston 20 and the piston housing 9, and one end of the action piston 20 abuts against the rear side of the friction plate pack 6, and the friction plate pack 6 can be forced to be combined during the movement. In particular, the actuating member may also be driven electromagnetically, as long as the action of forcing the friction-disc pack 6 to engage is achieved, without being limited thereto. Further, the reset component is a plurality of corrugated springs 5 assembled between every two adjacent friction plates of the friction plate group 6, and can play a reset role. Likewise, the reducing member may take other equivalent forms and is not limited thereto. Further, the transmission case separating clutch module dedicated for hybrid power further includes a supporting plate 7, and one end of the supporting plate 7 abuts against the front side of the friction plate set 6 and is disposed opposite to the acting piston 20 to jointly form a member for clamping the friction plate set 6, but it may also be implemented by an equivalent back plate structure, and is not limited thereto. Obviously, under the structural design, the friction plate group 6 is supported by the supporting disc 7 and the acting piston 20, and the acting piston 20 and the corrugated spring 5 realize the combination and separation actions, so that the structure of the friction plate group 6 can be greatly simplified, a plurality of components such as a back plate, a spring group, a disc spring and the like in the existing scheme are omitted, the axial space of the clutch is saved, and the overall structure is more compact.
As a further preferred embodiment, the output hub 15 is connected with the outer shell 25 through the clutch hub 17, and the clutch hub 17 is provided with a first oil inlet communicated with the high-pressure oil cavity and a second oil inlet communicated with the balance oil cavity. Further, the motor member includes the above-described rotor 3 and the stator 2 arranged around the rotor 3.
In a preferred embodiment, the hybrid transmission separating clutch module further comprises a cover plate 4, one inward end of the cover plate 4 is supported on the input hub 13 by a first ball bearing 10 and a second ball bearing 11, and one inward end of the support plate 7 abuts against the first ball bearing 10. Furthermore, one end of the support plate 7 abutting against the first ball bearing 10 is also bent into a hook shape, so that the axial position of the support plate 7 can be effectively determined, and relative sliding between the support plate 7 and the first ball bearing 10 can be prevented.
Further, the input hub 13 is also fitted with a thrust bearing 14, and the front end of the output hub 15 abuts against the thrust bearing 14. Further, a fluid flow cavity is formed between the piston shell 9 and the inner shell 8, at least one fluid flow hole communicating the balance oil cavity and the fluid flow cavity is formed in the piston shell 9, and in a working state, normal pressure oil flowing into the fluid flow cavity can cool the friction plate set 6 and lubricate the two ball bearings and the thrust bearing 14. Specifically, partial normal pressure oil in the balance oil cavity can enter the liquid flow cavity through the liquid flow hole and is thrown to the friction plate group 6 under the action of centrifugal force, heat on the friction plate group 6 can be taken away, then the partial normal pressure oil flows out through the outer shell 25, obviously, oil holes for flowing the normal pressure oil are formed in the inner shell 8 and the outer shell 25, meanwhile, the normal pressure oil can also flow to the thrust bearing 14, and the two ball bearings are lubricated through splashing, so that the whole clutch is cooled and lubricated.
The piston housing 9 is positioned on a clutch hub 17 by a circlip 16, a sealing ring 12 is inserted between the cover plate 4 and the input hub 13, and the motor component further comprises a rotary transformer 22 fixed to the clutch hub 17 by rivets 21 and a rotary transformer stator 23 fixed in the separating clutch module adjacent to the rotary transformer 22 by bolts 24. Which are conventionally used in the art, and thus, the detailed description thereof is omitted.
Based on the above, in a specific application, different power flows can be introduced according to the engaging or disengaging condition of the disconnect clutch module, so as to realize different working modes. The method mainly comprises the following working modes, which are shown in specific combination with figures 2 to 4:
1. FIG. 2 is a power flow diagram of the clutch engaged and motor energized mode. When the clutch is engaged, engine power (shown by solid arrows) is transmitted through the input hub 13, the inner clutch housing 8, and the set of friction plates 6 to the outer clutch housing 25. Since the motor rotor 3 is also fixed to the clutch outer housing 25, the power of the motor (indicated by a dotted arrow) is transmitted together with the power of the engine downward through the clutch outer housing 25, through the clutch hub 17 to the output hub 15, and finally through the output hub 15 to the transmission. The power flow of the engine and the electric machine in the disconnect clutch module is now complete.
2. Similarly, when the clutch is disengaged (i.e., apply piston 20 is not compressing set 6 and set 6 is disengaged), only the power of the electric machine can be transmitted, the power flow diagram of which is shown in FIG. 3. The power of the motor (shown by the dotted arrow) is transmitted through the clutch outer housing 25, the clutch hub 17 to the output hub 15, and finally to the gearbox via the output hub 15.
3. When the motor is not energized and the clutch is engaged, only the power of the engine can be transmitted, and the power flow diagram is shown in fig. 3. The power of the engine (shown by the solid arrow) is transmitted to the clutch outer housing 25 through the input hub 13, the clutch inner housing 8, and the friction plate set 6. The clutch hub 17 is then transferred to the output hub 15 via the clutch outer housing 25 and finally to the gearbox via the output hub 15.
Based on the technical scheme and the working principle, the hybrid power separation clutch module is formed by parts such as the corrugated spring 5 and the supporting disc 7, and the clutch outer shell 25 and the clutch hub 17 are welded together, so that the overall design is compact, and the axial space is saved; according to the analysis of the power flow, the separating clutch module is connected with the engine and the motor, so that the single-power driving or double-power driving of the motor or the engine can be realized; the hybrid disconnect clutch module can be adapted to different engine interfaces in a customized support manner, and can be connected to other different types of gearboxes by changing the structure of the output hub on the gearbox side. The stamping parts used in the disconnect clutch module, such as the balance piston 19, the apply piston 20, the inner housing 8, etc., can be converted from conventional wet dual clutch modules. The application of the universal stamping part can save cost.
It should be noted that, since the whole of this embodiment is a rotator structure, only a part of the embodiment is shown in the sectional view.
The foregoing is merely a preferred embodiment of the invention, which is intended to be illustrative and not limiting. It will be understood by those skilled in the art that various changes, modifications and equivalents may be made therein without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (10)
1. A transmission disconnect clutch module for hybrid applications in the drive system of a motor vehicle, characterized in that the transmission disconnect clutch module is arranged about a central axis (26) and comprises:
a clutch module comprising an inner housing (8) and an outer housing (25), and a set of friction plates (6) assembled therebetween;
the input hub (13) is used for externally connecting the output end of an engine of the driving system and is connected with the inner shell (8);
the output hub (15) is used for externally connecting the input end of a gearbox of the driving system and is connected with the outer shell (25);
a motor member comprising a rotor (3), said rotor (3) being fixedly secured to said outer housing (25);
actuating means, the output end of which acts on the set of friction plates (6) to urge the set of friction plates (6) into engagement and, in the engaged state of the set of friction plates (6), the inner housing (8) and the outer housing (25) move synchronously;
a resetting component, the output end of which acts on the friction plate group (6) to facilitate the separation of the friction plate group (6), and the inner shell (8) and the outer shell (25) move independently under the separation state of the friction plate group (6);
and, in the coupled condition of the set of friction plates (6), the input hub (13) and/or the motor member can transmit power to the output hub (15); in the disengaged state of the friction disc pack (6), only the motor member can transmit power to the output hub (15).
2. The hybrid dedicated transmission disconnect clutch module of claim 1, characterized in that the actuating member comprises a piston housing (9), an action piston (20) and a balance piston (19) accommodated in the piston housing (9), and a high-pressure oil chamber is formed between the balance piston (19) and the action piston (20), a balance oil chamber is formed between the action piston (20) and the piston housing (9), and one end of the action piston (20) abuts against the rear side of the friction disc pack (6) and is capable of forcing the friction disc pack (6) into engagement during movement.
3. The hybrid specific transmission disconnect clutch module of claim 2, characterized in that the return member is a plurality of ripple springs (5) assembled between every two adjacent friction plates of the set (6) of friction plates.
4. The hybrid dedicated transmission disconnect clutch module of claim 2, further comprising a support plate (7), and wherein one end of the support plate (7) abuts against a front side of the friction plate pack (6) and is disposed opposite the apply piston (20) to collectively form a member for clamping the friction plate pack (6).
5. The gearbox disconnect clutch module for hybrid dedicated use according to claim 2, wherein the output hub (15) is connected to the outer housing (25) by a clutch hub (17), and the clutch hub (17) is opened with a first oil inlet communicated to the high-pressure oil chamber and a second oil inlet communicated to the balancing oil chamber.
6. The hybrid specific gearbox disconnect clutch module of claim 1, characterized in that the electric machine component comprises the rotor (3) and a stator (2) arranged around the rotor (3).
7. The gearbox disconnect clutch module for hybrid use according to claim 4, further comprising a cover plate (4), and wherein an inward end of the cover plate (4) is supported on the input hub (13) by a first ball bearing (10) and a second ball bearing (11), and an inward end of the support plate (7) abuts against the first ball bearing (10).
8. The hybrid dedicated gearbox disconnect clutch module of claim 7, characterized in that the end of the support disc (7) abutting the first ball bearing (10) is also bent in a hook shape.
9. The gearbox disconnect clutch module for hybrid vehicles according to claim 7, characterized in that a thrust bearing (14) is further sleeved on the input hub (13), and the front end of the output hub (15) abuts against the thrust bearing (14).
10. The gearbox clutch module as claimed in claim 9, characterized in that a fluid flow chamber is formed between the piston housing (9) and the inner housing (8), the piston housing (9) is provided with at least one fluid flow hole communicating the balance oil chamber and the fluid flow chamber, and in an operating state, the normal pressure oil flowing into the fluid flow chamber can cool the friction plate set (6) and lubricate the two ball bearings and the thrust bearing (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010316037.0A CN113530998A (en) | 2020-04-21 | 2020-04-21 | Special gearbox separation clutch module for hybrid power |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010316037.0A CN113530998A (en) | 2020-04-21 | 2020-04-21 | Special gearbox separation clutch module for hybrid power |
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| Publication Number | Publication Date |
|---|---|
| CN113530998A true CN113530998A (en) | 2021-10-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010316037.0A Pending CN113530998A (en) | 2020-04-21 | 2020-04-21 | Special gearbox separation clutch module for hybrid power |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102007008946A1 (en) * | 2006-02-27 | 2008-02-14 | Borgwarner Inc., Auburn Hills | Twin-clutch system for hybrid automobile with two sets of lamellar packages located between inner and outer lamellar supports |
| JP2015140913A (en) * | 2014-01-30 | 2015-08-03 | 日産自動車株式会社 | friction clutch |
| CN105333028A (en) * | 2014-10-27 | 2016-02-17 | 徐州重型机械有限公司 | Hydraulic clutch, hybrid power transmission chain and crane |
| CN110848281A (en) * | 2019-11-11 | 2020-02-28 | 珠海华粤传动科技有限公司 | Clutch piston |
| CN212177714U (en) * | 2020-04-21 | 2020-12-18 | 博格华纳汽车零部件(宁波)有限公司 | Special gearbox separation clutch module for hybrid power |
-
2020
- 2020-04-21 CN CN202010316037.0A patent/CN113530998A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102007008946A1 (en) * | 2006-02-27 | 2008-02-14 | Borgwarner Inc., Auburn Hills | Twin-clutch system for hybrid automobile with two sets of lamellar packages located between inner and outer lamellar supports |
| JP2015140913A (en) * | 2014-01-30 | 2015-08-03 | 日産自動車株式会社 | friction clutch |
| CN105333028A (en) * | 2014-10-27 | 2016-02-17 | 徐州重型机械有限公司 | Hydraulic clutch, hybrid power transmission chain and crane |
| CN110848281A (en) * | 2019-11-11 | 2020-02-28 | 珠海华粤传动科技有限公司 | Clutch piston |
| CN212177714U (en) * | 2020-04-21 | 2020-12-18 | 博格华纳汽车零部件(宁波)有限公司 | Special gearbox separation clutch module for hybrid power |
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