CN114151460A - Double-spring power coupling device of transmission - Google Patents
Double-spring power coupling device of transmission Download PDFInfo
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- CN114151460A CN114151460A CN202111522359.1A CN202111522359A CN114151460A CN 114151460 A CN114151460 A CN 114151460A CN 202111522359 A CN202111522359 A CN 202111522359A CN 114151460 A CN114151460 A CN 114151460A
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- spring
- sliding sleeve
- power coupling
- output shaft
- reduction gear
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- 230000008878 coupling Effects 0.000 title claims abstract description 39
- 238000010168 coupling process Methods 0.000 title claims abstract description 39
- 238000005859 coupling reaction Methods 0.000 title claims abstract description 39
- 230000005540 biological transmission Effects 0.000 title claims abstract description 27
- 230000009467 reduction Effects 0.000 claims abstract description 32
- 238000009434 installation Methods 0.000 claims abstract description 9
- 238000000926 separation method Methods 0.000 claims description 22
- 230000009471 action Effects 0.000 claims description 15
- 230000000903 blocking effect Effects 0.000 claims description 11
- 230000007246 mechanism Effects 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 230000009977 dual effect Effects 0.000 claims 9
- 229910000831 Steel Inorganic materials 0.000 description 6
- 239000010959 steel Substances 0.000 description 6
- 210000000078 claw Anatomy 0.000 description 5
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000001808 coupling effect Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000014509 gene expression Effects 0.000 description 1
- 230000003116 impacting effect Effects 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D23/00—Details of mechanically-actuated clutches not specific for one distinct type
- F16D23/12—Mechanical clutch-actuating mechanisms arranged outside the clutch as such
- F16D23/14—Clutch-actuating sleeves or bearings; Actuating members directly connected to clutch-actuating sleeves or bearings
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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
- F16D13/70—Pressure members, e.g. pressure plates, for clutch-plates or lamellae; Guiding arrangements for pressure members
- F16D13/71—Pressure members, e.g. pressure plates, for clutch-plates or lamellae; Guiding arrangements for pressure members in which the clutching pressure is produced by springs only
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mechanical Operated Clutches (AREA)
Abstract
The invention discloses a double-spring power coupling device of a transmission, which belongs to the technical field of power coupling systems of transmissions and comprises an output shaft connected with a drive shaft of a differential, wherein a main reduction gear and a shell are arranged on the output shaft, an installation cavity is formed after the main reduction gear is connected with the shell, a double-spring clutch assembly for connecting the main reduction gear with the output shaft is arranged in the installation cavity, and one end of the double-spring clutch assembly is connected with a drive part.
Description
Technical Field
The invention relates to the technical field of transmission power coupling systems, in particular to a transmission double-spring power coupling device.
Background
A CVT (continuously variable transmission) is a set of transmission devices for coordinating the engine speed and the actual driving speed of wheels, and achieves good economy, power performance, and driving smoothness by continuously variable transmission. The transmission is a mode of generating friction torque transmission based on friction between a belt or a steel belt and a cone pulley.
In the case of a vehicle type (such as an all-terrain vehicle) provided with a CVT, a steel belt and a cone pulley inside a gearbox are easily damaged under the condition that a trailer needs to be pulled for a long time and a long distance at a high vehicle speed. In this case, a power coupling device is usually designed between a main reduction gear and a differential gear of the transmission, and power coupling and decoupling of the engine and the wheels are realized through separation and engagement of a spline pair. After separation, the steel belt and the cone pulley of the engine and the transmission are decoupled with the wheels, so that the steel belt is prevented from slipping, and the steel belt and the cone pulley in the transmission are protected. After the connection, the engine, the steel belt and the cone pulley are coupled with the wheels again, so that the power transmission is realized.
When the whole vehicle is under a limit condition (such as the whole vehicle is on a slope), and a trailer needs to be pulled, when a separation operation is performed, due to the influence of the vehicle weight or load, an excessive load or torque can be transmitted to an output shaft through wheels, a differential drive shaft and the like, so that the spline coupling among the main reduction gear, the sliding sleeve and the output shaft bears an excessive friction force, the separation force is excessive or cannot be separated, and related parts in the separation mechanism can be broken and fail due to the excessive load.
Disclosure of Invention
In order to solve the technical problems, the invention provides a double-spring power coupling device of a transmission, which can perform stable and reliable separation and coupling under different working conditions, can limit the separation force of a sliding sleeve under a limit working condition, can better protect the purpose of the power coupling device, and is more favorable for realizing decoupling and coupling of power.
In order to achieve the purpose, the technical scheme adopted by the invention for solving the technical problems is as follows: the double-spring power coupling device of the transmission comprises an output shaft connected with a differential mechanism driving shaft, wherein a main reduction gear and a shell are installed on the output shaft, an installation cavity is formed after the main reduction gear is connected with the shell, a double-spring clutch assembly connected with the main reduction gear and the output shaft is installed in the installation cavity, and one end of the double-spring clutch assembly is connected with a driving part.
The double-spring clutch assembly comprises an output shaft and a sliding sleeve connected with the main reduction gear through splines, an elastic driving part is axially arranged on the periphery of the sliding sleeve, and one end of the elastic driving part is abutted against the driving part.
The middle part of the output shaft is provided with a spline wheel I integrally formed with the output shaft, one end of the main reduction gear is provided with a spline wheel II integrally formed with the output shaft, and the spline wheel I and the spline wheel II have the same outer diameter and are matched with an inner hole of the sliding sleeve; and a buffer gasket is arranged on the inner side of the shell and is in contact connection with one end of the sliding sleeve through the spline wheel I.
The elastic driving part comprises a blocking piece and a clamping spring, wherein the blocking piece is sleeved at one end of the sliding sleeve, the clamping spring is clamped outside the sliding sleeve, an acting spring is arranged between the blocking piece and the clamping spring, and a return spring is arranged between the clamping spring and the main reduction gear.
The action spring and the return spring are sleeved outside the sliding sleeve, and the stiffness of the action spring is greater than that of the return spring.
One end of the sliding sleeve is provided with an annular limiting boss, and the limiting boss is matched with the blocking piece in a blocking mode.
The sliding sleeve is provided with an annular clamping groove along the peripheral direction of the sliding sleeve, and the clamping spring is clamped in the annular clamping groove.
And one side of the main reduction gear, which is close to the mounting cavity, is provided with an annular groove matched with the return spring.
The driving part comprises a separation sleeve which is sleeved at one end of the shell and moves along the central axis of the shell, and one end of the separation sleeve is abutted to one end of the double-spring clutch assembly.
The periphery of casing is provided with a plurality of through-holes at equal intervals, release sleeve one end is provided with a plurality of drive pawls along its circumference, the drive pawl insert in the through-hole that corresponds with the one end of two spring clutch assembly is inconsistent.
The invention has the beneficial effects that:
according to the invention, the double-spring clutch assembly comprising the acting spring and the return spring is connected between the main reduction gear and the output shaft, and the power is decoupled through the return spring under a common working condition, so that the decoupling is more portable, and the power decoupling efficiency is improved; in the limit working condition, the acting spring and the return spring are matched to act to realize power decoupling, and the separating force of the sliding sleeve can be limited by using the rigidity difference of the two springs, so that the purpose of protecting the power coupling device is achieved, and the decoupling and coupling of power are more favorably realized.
Drawings
The contents of the expressions in the various figures of the present specification and the labels in the figures are briefly described as follows:
FIG. 1 is a full sectional view of the present invention;
FIG. 2 is an exploded view of the present invention;
the labels in the above figures are: 1. the clutch comprises an output shaft, 11, a spline wheel I, 2, a main reduction gear, 21, a spline wheel II, 22, an annular groove, 3, a shell, 31, a through hole, 4, an installation cavity, 5, a double-spring clutch assembly, 51, a sliding sleeve, 511, a limiting boss, 512, an annular clamping groove, 52, a baffle, 53, a clamping spring, 54, an action spring, 55, a return spring, 6, a driving part, 61, a separating sleeve, 62, a driving claw and 7, a buffer gasket.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and the following embodiments are used for illustrating the present invention and are not intended to limit the scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The specific implementation scheme of the invention is as follows: as shown in fig. 1 and 2, the dual-spring power coupling device for the transmission comprises an output shaft 1 connected with a drive shaft of the differential, wherein a main reduction gear 2 and a shell 3 are installed on the output shaft 1, an installation cavity 4 is formed after the main reduction gear 2 is connected with the shell 3, a dual-spring clutch assembly 5 connecting the main reduction gear 2 with the output shaft 1 is installed in the installation cavity 4, one end of the dual-spring clutch assembly 5 is connected with a driving part 6, and the dual-spring clutch assembly 5 is driven by the driving part 6 to act so as to realize reliable coupling and decoupling of the main reduction gear 2 and the output shaft 1.
Specifically, the double-spring clutch assembly 5 includes a sliding sleeve 51 in splined connection with the output shaft 1 and the main reduction gear 2, that is, the middle part of the output shaft 1 is provided with a spline wheel i 11 integrally formed with the output shaft 1, one end of the main reduction gear 2 is provided with a spline wheel ii 21 integrally formed with the main reduction gear 2, the spline wheel i 11 and the spline wheel ii 21 have the same outer diameter and are matched with an inner hole of the sliding sleeve 51, so that the sliding sleeve 51 can move along the axial direction of the output shaft 1 but cannot rotate, an elastic driving part 6 is axially arranged on the periphery of the sliding sleeve 51, one end of the elastic driving part 6 is connected with the driving part 6 in a butting manner, the driving part 6 acts on the elastic driving part 6, and the elastic driving part 6 drives the sliding sleeve 51 to move along the axial direction of the output shaft 1, so as to achieve decoupling and coupling of the output shaft 1 and the main reduction gear 2. In addition, in order to avoid the sliding sleeve 51 from being abraded by impacting the shell 3 when returning, the buffer gasket 7 is installed on the inner side of the shell 3 and is connected with one end of the sliding sleeve 51 through the buffer gasket 7 and the spline wheel I11 in a contact mode, the section of the buffer gasket 7 is L-shaped, and the buffer gasket 7 is installed in the shell 3 in a clamping mode, so that the buffer gasket 7 is convenient to detach and install.
The elastic driving part 6 comprises a baffle 52 which is in butt joint with one end of the sliding sleeve 51 and a clamp spring 53 which is clamped outside the sliding sleeve 51, an annular limiting boss 511 is arranged at one end of the sliding sleeve 51, the limiting boss 511 is in stop fit with the baffle 52, the baffle 52 is prevented from being separated from the sliding sleeve 51, an annular clamping groove 512 is arranged on the sliding sleeve 51 along the peripheral direction of the sliding sleeve 51, and the clamp spring 53 is clamped in the annular clamping groove 512, so that the clamp spring 53 is more convenient to install and disassemble; an acting spring 54 is arranged between the baffle plate 52 and the clamp spring 53, a return spring 55 is arranged between the clamp spring 53 and the main reduction gear 2, one side of the main reduction gear 2, which is close to the mounting cavity 4, is provided with an annular groove 22 matched with the return spring 55, so that the return spring 55 is prevented from being inclined in the compression process, the return spring 55 is ensured to be stably compressed along the axis direction of the sliding sleeve 51, the acting spring 54 and the return spring 55 are both sleeved outside the sliding sleeve 51, and the rigidity of the acting spring 54 is greater than that of the return spring 55. Under the common working condition, the load and the torque on the output shaft 1 are not large, and the decoupling of the power can be realized only by the return spring 55, so that the decoupling is more convenient and the power decoupling efficiency is improved; in the limit working condition, because the load and the torque received by the output shaft 1 are large, because the rigidity of the return spring 55 is small, the return spring 55 is compressed firstly, after the return spring 55 is compressed for a certain distance, the action spring 54 starts to act, the power decoupling is realized through the matching action of the action spring 54 and the return spring 55, and the separating force of the sliding sleeve 51 can be limited by utilizing the rigidity difference of the two springs, so that the purpose of protecting the power coupling device is achieved, and the decoupling and the coupling of the power are more favorably realized.
Wherein the stiffness of the acting spring 54 is set to be 2-4N/mm, the free length is set to be 30-60 mm, and the length of the acting spring after being installed between the baffle plate 52 and the clamp spring 53 is 15-30 mm; the rigidity of the return spring 55 is set to be 1-2N/mm, the free length is set to be 30-60 mm, the length of the return spring after the return spring is installed between the clamp spring 53 and the main reduction gear 2 is 15-30 mm, and when the acting spring 54 and the return spring 55 are compressed to the limit position, the force of 60-80N can be borne, the force under the limit working condition can be borne, the sliding sleeve 51 can move smoothly, and power decoupling is achieved. In addition, after the separation sleeve reaches the separation limit position, the action spring still works in a force-displacement linear interval, and due to the fact that the action force value of the action spring is limited in design, the situation that the separation force is too large cannot occur, and failure of parts on a force transmission path in the coupling device cannot occur.
Specifically, the driving part 6 includes a separating sleeve 61 which is sleeved at one end of the housing 3 and moves along the central axis of the housing 3, one end of the separating sleeve 61 is abutted to one end of the dual-spring clutch assembly 5, specifically, the connecting structure is that a plurality of through holes 31 are arranged at equal intervals on the periphery of the housing 3, a plurality of driving claws 62 are arranged at equal intervals on one end of the separating sleeve 61 along the circumferential direction thereof, the driving claws 62 are inserted into the corresponding through holes 31 to be abutted to one end of the dual-spring clutch assembly 5, wherein the driving claws 62 can be three or more, so that the driving claws 62 can stably push the blocking piece 52 in the dual-spring clutch assembly 5 to move along the axial direction of the sliding sleeve 51, and the dynamic decoupling and coupling actions are more stable.
The working principle of the double-spring power coupling device is as follows: in the occasion of needing the trailer, the driver operates the release handle, and the cable that is connected with the handle drives the release lever on the gearbox, and the release lever drives the action of separation shift fork, and the separation shift fork drives separation sleeve 61 and removes along the axis direction of casing 3, and separation sleeve 61 acts on separation blade 52, and separation blade 52 passes through acting spring 54 with the thrust and transmits jump ring 53 on.
Under the ordinary working condition, because the load and the moment of torsion that output shaft 1 received are very little, and return spring 55's rigidity is less, return spring 55 is compressed, and jump ring 53 drives sliding sleeve 51 along the axial displacement of output shaft 1 simultaneously, makes sliding sleeve 51 break away from output shaft 1, has realized power decoupling, only can realize the decoupling zero of power through return spring 55, makes the decoupling zero more light, and has improved the efficiency of power decoupling zero.
In the limit working condition, the rigidity of the return spring 55 is small, the return spring 55 is compressed firstly, after the return spring 55 is compressed for a certain distance, because the load and the torque received by the output shaft 1 are large, the action spring 54 starts to act, after the action spring 54 is compressed for a certain distance, the clamp spring 53 drives the sliding sleeve 51 to move along the axial direction of the output shaft 1 to be separated from the output shaft 1, the action spring 54 and the return spring 55 are matched to act, and the separating force of the sliding sleeve 51 can be limited by utilizing the rigidity difference of the two springs, so that the purpose of protecting the power coupling device is achieved, and decoupling and coupling of power are facilitated.
In conclusion, the power coupling device is simple in design and transformation and low in manufacturing cost, stable and reliable separation and coupling can be performed under different working conditions, the separation force of the sliding sleeve can be limited under the limit working condition, the power coupling device can be better protected, and decoupling and coupling of power can be realized.
While the foregoing is directed to the principles of the present invention, other and further embodiments of the invention may be devised without departing from the basic scope thereof, and the scope thereof is determined by the claims that follow.
Claims (10)
1. The utility model provides a derailleur two spring power coupling device which characterized in that, includes the output shaft that links to each other with the differential mechanism drive shaft, install final reduction gear and casing on the output shaft, form the installation cavity after final reduction gear and casing link to each other, install in the installation cavity with the two spring clutch assembly that final reduction gear and output shaft link to each other, two spring clutch assembly's one end links to each other with driver part.
2. The transmission dual spring power coupling of claim 1, wherein: the double-spring clutch assembly comprises an output shaft and a sliding sleeve connected with the main reduction gear through splines, an elastic driving part is axially arranged on the periphery of the sliding sleeve, and one end of the elastic driving part is abutted against the driving part.
3. The transmission dual spring power coupling of claim 2, wherein: the middle part of the output shaft is provided with a spline wheel I integrally formed with the output shaft, one end of the main reduction gear is provided with a spline wheel II integrally formed with the output shaft, and the spline wheel I and the spline wheel II have the same outer diameter and are matched with an inner hole of the sliding sleeve; and a buffer gasket is arranged on the inner side of the shell and is in contact connection with one end of the sliding sleeve through the spline wheel I.
4. The transmission dual spring power coupling of claim 2, wherein: the elastic driving part comprises a blocking piece and a clamping spring, wherein the blocking piece is sleeved at one end of the sliding sleeve, the clamping spring is clamped outside the sliding sleeve, an acting spring is arranged between the blocking piece and the clamping spring, and a return spring is arranged between the clamping spring and the main reduction gear.
5. The transmission dual spring power coupling of claim 4, wherein: the action spring and the return spring are sleeved outside the sliding sleeve, and the stiffness of the action spring is greater than that of the return spring.
6. The transmission dual spring power coupling of claim 4, wherein: one end of the sliding sleeve is provided with an annular limiting boss, and the limiting boss is matched with the blocking piece in a blocking mode.
7. The transmission dual spring power coupling of claim 4, wherein: the sliding sleeve is provided with an annular clamping groove along the peripheral direction of the sliding sleeve, and the clamping spring is clamped in the annular clamping groove.
8. The transmission dual spring power coupling of claim 4, wherein: and one side of the main reduction gear, which is close to the mounting cavity, is provided with an annular groove matched with the return spring.
9. The dual spring power coupling device of any one of claims 1 to 8, wherein: the driving part comprises a separation sleeve which is sleeved at one end of the shell and moves along the central axis of the shell, and one end of the separation sleeve is abutted to one end of the double-spring clutch assembly.
10. The transmission dual spring power coupling of claim 9, wherein: the periphery of casing is provided with a plurality of through-holes at equal intervals, release sleeve one end is provided with a plurality of drive pawls along its circumference, the drive pawl insert in the through-hole that corresponds with the one end of two spring clutch assembly is inconsistent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111522359.1A CN114151460A (en) | 2021-12-13 | 2021-12-13 | Double-spring power coupling device of transmission |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111522359.1A CN114151460A (en) | 2021-12-13 | 2021-12-13 | Double-spring power coupling device of transmission |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114151460A true CN114151460A (en) | 2022-03-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111522359.1A Pending CN114151460A (en) | 2021-12-13 | 2021-12-13 | Double-spring power coupling device of transmission |
Country Status (1)
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|---|---|
| CN (1) | CN114151460A (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4997408A (en) * | 1989-11-13 | 1991-03-05 | General Motors Corporation | Axial spline drive lug |
| US5437205A (en) * | 1994-01-14 | 1995-08-01 | Tseng; Sheng-Tsai | Wrap spring clutches type transmission system |
| US20020091036A1 (en) * | 2000-10-19 | 2002-07-11 | Francois Bott | Transmission decoupling device |
| KR20040050987A (en) * | 2002-12-11 | 2004-06-18 | 현대자동차주식회사 | Drive Train Apparatus of Automobile |
| CN101548117A (en) * | 2007-04-26 | 2009-09-30 | 丰田自动车株式会社 | Frictional engagement device for automatic transmission |
| CN102803790A (en) * | 2009-06-04 | 2012-11-28 | 腓特烈斯港齿轮工厂股份公司 | Arrangement comprising at least one dog clutch |
| CN102966680A (en) * | 2012-11-21 | 2013-03-13 | 山推工程机械股份有限公司 | Engineering machine, and transmission system and clutch thereof |
| CN105221684A (en) * | 2015-10-29 | 2016-01-06 | 吉林大学 | The two shift transmission of electric vehicle front-engine rear-drive |
| CN110056636A (en) * | 2019-04-25 | 2019-07-26 | 舍弗勒技术股份两合公司 | Automobile, power drive system and differential assembly |
| CN113446327A (en) * | 2021-06-22 | 2021-09-28 | 苏州光格科技股份有限公司 | Clutch device |
-
2021
- 2021-12-13 CN CN202111522359.1A patent/CN114151460A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4997408A (en) * | 1989-11-13 | 1991-03-05 | General Motors Corporation | Axial spline drive lug |
| US5437205A (en) * | 1994-01-14 | 1995-08-01 | Tseng; Sheng-Tsai | Wrap spring clutches type transmission system |
| US20020091036A1 (en) * | 2000-10-19 | 2002-07-11 | Francois Bott | Transmission decoupling device |
| KR20040050987A (en) * | 2002-12-11 | 2004-06-18 | 현대자동차주식회사 | Drive Train Apparatus of Automobile |
| CN101548117A (en) * | 2007-04-26 | 2009-09-30 | 丰田自动车株式会社 | Frictional engagement device for automatic transmission |
| CN102803790A (en) * | 2009-06-04 | 2012-11-28 | 腓特烈斯港齿轮工厂股份公司 | Arrangement comprising at least one dog clutch |
| CN102966680A (en) * | 2012-11-21 | 2013-03-13 | 山推工程机械股份有限公司 | Engineering machine, and transmission system and clutch thereof |
| CN105221684A (en) * | 2015-10-29 | 2016-01-06 | 吉林大学 | The two shift transmission of electric vehicle front-engine rear-drive |
| CN110056636A (en) * | 2019-04-25 | 2019-07-26 | 舍弗勒技术股份两合公司 | Automobile, power drive system and differential assembly |
| CN113446327A (en) * | 2021-06-22 | 2021-09-28 | 苏州光格科技股份有限公司 | Clutch device |
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