CN216407539U - Double-acting clutch with novel structure - Google Patents
Double-acting clutch with novel structure Download PDFInfo
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- CN216407539U CN216407539U CN202123174563.7U CN202123174563U CN216407539U CN 216407539 U CN216407539 U CN 216407539U CN 202123174563 U CN202123174563 U CN 202123174563U CN 216407539 U CN216407539 U CN 216407539U
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Abstract
The utility model discloses a double-acting clutch with a new structure, wherein the centers of a clutch shell, a main clutch driven plate assembly, a main clutch pressure plate, a belleville spring, an auxiliary clutch pressure plate and an auxiliary clutch driven plate assembly are superposed and sequentially attached, the outer side of the auxiliary clutch driven plate assembly is directly attached to an engine flywheel, and a main clutch driving mechanism and an auxiliary clutch driving mechanism are arranged on the clutch shell and uniformly distributed around the center of the clutch; six ventilation grooves which play a role in heat dissipation are uniformly distributed on the end face of the excircle of the clutch shell, and each ventilation groove is provided with three long-arc-shaped small heat dissipation windows; the clutch assembly is matched with a high-power tractor for use, adopts a novel structure, optimizes the structural design of the clutch shell, effectively reduces the weight of the clutch assembly, improves the heat dissipation performance of the clutch, reduces the failure rate of the clutch, and prolongs the service life of the clutch.
Description
Technical Field
The utility model belongs to the technical field of tractor clutches, and particularly relates to a double-acting clutch with a novel structure.
Background
At present, a dry-type double-acting clutch is used as a unique clutch form of a tractor, through years of practical experience and technical improvement, the dry-type double-acting clutch is gradually improved in structural design, vibration, noise, dynamic load and the like of a transmission system are further effectively controlled, the dry-type double-acting clutch is widely applied to a high-horsepower tractor, users put higher requirements on the human-machine engineering of the tractor, namely the portability of clutch operation and the comfort of gear engagement, and the requirements that the users need to optimize each part of the tractor clutch on the basis of the traditional clutch design by further optimizing the design of each part of the tractor clutch, aiming at different power sections and different product configuration platforms, the clutches in different structural forms are reasonably selected, the product configuration optimization is realized to the greatest extent, and the cost performance of the product is improved. The independent operation double-acting clutch, the main clutch and PTO clutch operation completely separate, so the operation is light, the adjustment is easy, in addition, the structure PTO clutch separation and connection is not limited by the main clutch, can be independently controlled, so can meet the requirements of different operation, machines and tools on the power output shaft, but the structure is more complex and the cost is higher.
In the double-acting clutch of the high-power tractor in the prior art, the matched horsepower section is high, the transmission torque is large, the overall dimension of the clutch is large, the weight is increased, the inertia is large, the rapid separation and combination of the clutch can be influenced due to the large inertia, and the clutch is fast in abrasion and short in service life due to the poor heat dissipation condition of the clutch; because the clutch has large overall dimension, the processing difficulty of each part is high, the installation of the clutch assembly is difficult, and the labor intensity of workers is also increased.
Disclosure of Invention
In order to solve the technical problems, the utility model provides a double-acting clutch with a novel structure, the novel clutch structure is optimally designed, the weight of a clutch assembly is reduced, the heat dissipation performance of the clutch is improved, the processing technology of a clutch shell is optimized, the service life of the clutch is prolonged, the failure rate of the clutch is reduced, and the market demands are met.
The technical scheme adopted by the utility model is as follows: a double-acting clutch with a new structure comprises a clutch shell; the centers of the clutch shell, the main clutch driven plate assembly, the main clutch pressure plate, the belleville spring, the auxiliary clutch pressure plate and the auxiliary clutch driven plate assembly are overlapped and sequentially attached, the outer side of the auxiliary clutch driven plate assembly is directly attached to an engine flywheel, three convex blocks are arranged at the outer edges of the main clutch pressure plate and the auxiliary clutch pressure plate and are connected in an axial guide groove on the clutch shell in a sliding manner, the main clutch pressure plate and the auxiliary clutch pressure plate can move along the axial direction of the clutch shell, a main clutch driving mechanism for driving the main clutch pressure plate to axially move is arranged on the clutch shell, the number of the main clutch driving mechanisms is three, the main clutch driving mechanisms are evenly distributed around the center of the clutch, the auxiliary clutch driving mechanisms for driving the auxiliary clutch pressure plate to axially move are arranged on the clutch shell, and the number of the auxiliary clutch driving mechanisms is three, and are evenly distributed around the center of the clutch; six ventilation grooves which play a role in heat dissipation are uniformly distributed on the excircle end face of the clutch shell, the ventilation grooves are arranged at intervals with the positions of the main clutch driving mechanism and the auxiliary clutch driving mechanism, and three long-arc heat dissipation small windows are arranged in each ventilation groove.
The main clutch driving mechanism comprises an adjusting screw and a push rod assembly which are arranged on the main clutch pressure plate and the clutch shell in a penetrating way, the push rod assembly comprises a push rod and an embedded push rod bush, the tail part of the adjusting screw is matched with a groove of the push rod assembly, the push rod assembly is connected with a main clutch release lever through a push rod pin shaft, one end of the main clutch release lever is provided with a support sleeve, a main rod bush is embedded in an inner hole of the support sleeve, the main clutch release lever is hinged with a lug on the end surface of the clutch shell through a main rod pin shaft, a main torsion spring passes through the main rod pin shaft and is arranged on two sides of the lug of the clutch shell, an adjusting screw penetrates through a threaded hole of the main clutch pressure plate, an adjusting nut is arranged between a nut of the adjusting screw and the main clutch pressure plate, the height of the main clutch release lever can be adjusted by adjusting the nut, and the locking effect is achieved.
The auxiliary clutch driving mechanism comprises a connecting rod penetrating through the auxiliary clutch pressure plate and the clutch shell, a nut is installed at one end of the connecting rod, the other end of the connecting rod is hinged to an auxiliary clutch release lever through a connecting rod pin shaft, a through hole is formed in one end of the auxiliary clutch release lever, an auxiliary rod bushing is embedded in the through hole, the auxiliary clutch release lever is hinged to a lug of the clutch shell through an auxiliary rod pin shaft, and an auxiliary torsion spring penetrates through two sides of the auxiliary rod pin shaft and located on the lug.
Washers are installed at one ends of the main rod pin shaft and the auxiliary rod pin shaft, and split pins are inserted into small holes in the pin shafts close to the end portions. The rod heads of the main clutch release lever and the auxiliary clutch release lever are respectively riveted and fixed with one end of the main clutch release lever and one end of the auxiliary clutch release lever through rivets.
The clutch is mainly applied to a high-power tractor, the main clutch and the auxiliary clutch are in a joint state in work, when the main clutch is operated, a main clutch release lever driving mechanism is utilized to enable a main clutch pressure plate to move, the main clutch pressure plate overcomes the pressure of a disc spring, compresses the disc spring, and moves along an axial guide groove of a clutch shell, so that the main clutch is in a release state; when the auxiliary clutch is operated, the auxiliary clutch release lever driving mechanism enables an auxiliary clutch pressure plate to work, the auxiliary clutch pressure plate overcomes the pressure of the disc spring to compress the disc spring, and the auxiliary clutch pressure plate moves along the axial guide groove of the clutch shell, so that the auxiliary clutch is in a release state; during engagement, the primary and secondary clutch pressure plates move along the axial guide grooves of the clutch housing until engagement.
The main clutch driving mechanism and the auxiliary clutch driving mechanism both adopt a rod-plate riveting structure, the design structure is compact, the installation and debugging are convenient, the cost can be reduced, and the stability of the product is improved.
The friction outer diameter of the main clutch driven plate assembly and the auxiliary clutch driven plate assembly is 350-430mm, the power section in operation is 140-280 horsepower, the specification of the clutch is 14-16 inches, the principle and the structural form are basically the same, and the sizes are different.
The outer edges of the main clutch pressure plate and the auxiliary clutch pressure plate are respectively provided with three convex blocks, and the convex blocks are connected in the axial guide grooves on the clutch shell in a sliding manner; the purpose of this is: when the main clutch or the auxiliary clutch is operated to be separated, the clutch shell is always overlapped with the shaft center, and the working stability is improved when the clutch is separated and then is jointed again.
Six ventilation grooves which play a role in heat dissipation are uniformly distributed on the end face of the excircle of the clutch shell, the ventilation grooves are arranged at intervals with the main clutch driving mechanism and the auxiliary clutch driving mechanism, and each ventilation groove is provided with three long-arc heat dissipation small windows; the purpose of this is: the heat dissipation area of the clutch is increased, the total weight of the clutch is reduced, the reliability of the clutch is improved, and the service life of the clutch is prolonged.
The utility model has the beneficial effects that: the utility model is matched with a high-power tractor for use, adopts a novel structure of a disc spring compression type independent double-acting clutch, optimizes the structural design of a clutch shell, effectively reduces the weight of a clutch assembly, improves the heat dissipation performance of the clutch, reduces the failure rate of the clutch, prolongs the service life of the clutch, also lightens the labor intensity of workers, and further improves the cost performance of the product by optimally designing each part of the tractor clutch.
Drawings
FIG. 1 is a front view of the clutch of the present invention.
Fig. 2 is a schematic cross-sectional view of the clutch of the present invention.
FIG. 3 is a partial schematic view of the clutch of the present invention in the M direction.
The labels in the figure are: 1. a clutch housing; 2. a master clutch driven plate assembly; 3. a main clutch pressure plate; 4. a secondary clutch pressure plate; 5. the auxiliary clutch driven plate assembly; 6. a disc spring; 7. a nut; 8. a main clutch release lever; 9. a push rod; 10. a push rod bushing; 11. a push rod pin shaft; 12. a support sleeve; 13. a main rod bushing; 14. a main rod pin shaft; 15. adjusting the screw; 16. adjusting the nut; 17. a main torsion spring; 18. an auxiliary clutch release lever; 19. a coupling rod; 20. a connecting rod pin shaft; 21. a secondary torsion spring; 22. an auxiliary rod bushing; 23. an auxiliary rod pin shaft; 24. a gasket; 25. a cotter pin; 26. a club head; 27 rivet; 28. a ventilation slot; 29. a small heat dissipation window.
Detailed Description
The following detailed description of embodiments of the utility model is provided in connection with the accompanying drawings.
As shown in the figure, the double-acting clutch with the new structure comprises a clutch housing 1; the clutch shell 1, the main clutch driven plate assembly 2, the main clutch pressure plate 3, the belleville spring 6, the auxiliary clutch pressure plate 4 and the auxiliary clutch driven plate assembly 5 are overlapped and sequentially attached, the outer side of the auxiliary clutch driven plate assembly 5 is directly attached to an engine flywheel, three convex blocks are arranged at the outer edges of the main clutch pressure plate 3 and the auxiliary clutch pressure plate 4 and are connected in an axial guide groove on the clutch shell 1 in a sliding manner, the main clutch pressure plate 3 and the auxiliary clutch pressure plate 4 can move along the axial direction of the clutch shell 1, the clutch shell 1 is provided with main clutch driving mechanisms for driving the main clutch pressure plate 3 to move axially, the number of the main clutch driving mechanisms is three, the main clutch driving mechanisms are uniformly distributed around the center of the clutch, the clutch shell 1 is provided with auxiliary clutch driving mechanisms for driving the auxiliary clutch pressure plate 4 to move axially, the number of the auxiliary clutch driving mechanisms is three, and the auxiliary clutch driving mechanisms are uniformly distributed around the center of the clutch.
The main clutch driving mechanism comprises an adjusting screw 15 and a push rod assembly which are arranged on a main clutch pressure plate 3 and a clutch shell 1 in a penetrating way, the push rod assembly comprises a push rod 9 and an embedded push rod bush 10, the tail part of the adjusting screw 15 is matched with a groove of the push rod assembly, the push rod assembly is connected with a main clutch release lever 8 through a push rod pin shaft 11, one end of the main clutch release lever 8 is provided with a support sleeve 12, a main rod bush 13 is embedded in an inner hole of the support sleeve 12, the main clutch release lever 8 is hinged with a lug on the end surface of the clutch shell 1 through a main rod pin shaft 14, a main torsion spring 17 is arranged on two sides of the lug of the clutch shell 1 through the main rod pin shaft 14, the adjusting screw 15 penetrates through a threaded hole of the main clutch pressure plate 3, an adjusting nut 16 is arranged between the nut of the adjusting screw 15 and the main clutch pressure plate, and the height of the main clutch release lever 8 can be adjusted through the adjusting nut 16, and plays a role of locking.
The auxiliary clutch driving mechanism comprises a connecting rod 19 penetrating through the auxiliary clutch pressure plate 4 and the clutch housing 1, a nut 7 is installed at one end of the connecting rod 19, the other end of the connecting rod 19 is hinged to an auxiliary clutch release lever 18 through a connecting rod pin shaft 20, a through hole is formed in one end of the auxiliary clutch release lever 18, an auxiliary rod bushing 22 is embedded in the through hole, the auxiliary clutch release lever 18 is hinged to a lug of the clutch housing 1 through an auxiliary rod pin shaft 23, and an auxiliary torsion spring 21 penetrates through the auxiliary rod pin shaft 23 and is located on two sides of the lug.
And gaskets 24 are respectively arranged at one ends of the main rod pin shaft 14 and the auxiliary rod pin shaft 23, and split pins 25 are inserted into small holes at the end parts of the pin shafts. The heads 26 of the main clutch release lever 8 and the auxiliary clutch release lever 18 are each riveted to one end of the main clutch release lever 8 and one end of the auxiliary clutch release lever 18 by rivets 27.
The uniform distribution is provided with six ventilation grooves 28 that play the heat dissipation effect on the 1 excircle terminal surface of clutch housing, and ventilation groove 28 sets up with main clutch actuating mechanism, vice clutch actuating mechanism position looks interval, and every ventilation groove 28 is seted up the little window 29 of heat dissipation of three long arc type, has increased the heat radiating area of clutch, has alleviateed clutch gross weight, improves the reliability and the life of clutch.
The clutch is mainly applied to a high-power tractor, the main clutch and the auxiliary clutch are in a joint state in work, when the main clutch is operated, a main clutch release lever driving mechanism is utilized to enable a main clutch pressure plate 3 to move, the main clutch pressure plate 3 compresses a disc spring 6 by overcoming the pressure of the disc spring 6, and moves along an axial guide groove of a clutch shell 1, so that the main clutch is in a release state; when the auxiliary clutch is operated, the auxiliary clutch release lever driving mechanism enables the auxiliary clutch pressure plate 4 to work, the auxiliary clutch pressure plate 4 overcomes the pressure of the disc spring 6, the disc spring 6 is compressed, the auxiliary clutch pressure plate 4 moves along the axial guide groove of the clutch housing 1, and therefore the auxiliary clutch release state is achieved; during engagement, the main clutch pressure plate 3 and the auxiliary clutch pressure plate 4 move along the axial guide grooves of the clutch housing 1 until engagement.
Claims (4)
1. A double-acting clutch with a novel structure is characterized in that: comprises a clutch housing; the centers of the clutch shell, the main clutch driven plate assembly, the main clutch pressure plate, the belleville spring, the auxiliary clutch pressure plate and the auxiliary clutch driven plate assembly are overlapped and sequentially attached, the outer side of the auxiliary clutch driven plate assembly is directly attached to an engine flywheel, three convex blocks are arranged at the outer edges of the main clutch pressure plate and the auxiliary clutch pressure plate and are connected in an axial guide groove on the clutch shell in a sliding manner, the main clutch pressure plate and the auxiliary clutch pressure plate can move along the axial direction of the clutch shell, a main clutch driving mechanism for driving the main clutch pressure plate to axially move is arranged on the clutch shell, the number of the main clutch driving mechanisms is three, the main clutch driving mechanisms are evenly distributed around the center of the clutch, the auxiliary clutch driving mechanisms for driving the auxiliary clutch pressure plate to axially move are arranged on the clutch shell, and the number of the auxiliary clutch driving mechanisms is three, and are evenly distributed around the center of the clutch; six ventilation grooves are uniformly distributed on the excircle end face of the clutch shell, the ventilation grooves are arranged at intervals with the positions of the main clutch driving mechanism and the auxiliary clutch driving mechanism, and three long-arc heat dissipation small windows are arranged in each ventilation groove.
2. A double acting clutch of new construction as claimed in claim 1, wherein: the main clutch actuating mechanism comprises an adjusting screw and a push rod assembly which are arranged on a main clutch pressure plate and a clutch shell in a penetrating mode, the push rod assembly comprises a push rod and an embedded push rod bushing, the tail portion of the adjusting screw is matched with a groove of the push rod assembly, the push rod assembly is connected with a main clutch release lever through a push rod pin shaft, one end of the main clutch release lever is provided with a supporting sleeve, a main rod bushing is embedded into a hole of the supporting sleeve, the main clutch release lever is hinged to a lug on the end face of the clutch shell through a main rod pin shaft, a main torsion spring penetrates through the main rod pin shaft and is arranged on two sides of the lug of the clutch shell, the adjusting screw penetrates through a threaded hole of the main clutch pressure plate, and an adjusting nut is arranged between a nut of the adjusting screw and the main clutch pressure plate.
3. A double acting clutch of new construction as claimed in claim 1, wherein: the auxiliary clutch driving mechanism comprises a connecting rod penetrating through the auxiliary clutch pressure plate and the clutch shell, a nut is installed at one end of the connecting rod, the other end of the connecting rod is hinged with an auxiliary clutch release lever through a connecting rod pin shaft, a through hole is formed in one end of the auxiliary clutch release lever, an auxiliary rod bushing is embedded in the through hole, the auxiliary clutch release lever is hinged with a lug of the clutch shell through an auxiliary rod pin shaft, and an auxiliary torsion spring penetrates through the auxiliary rod pin shaft and is located on two sides of the lug.
4. A double acting clutch of new construction as claimed in claim 2 or 3, wherein: gaskets are arranged at one ends of the main rod pin shaft and the auxiliary rod pin shaft, and split pins are inserted into small holes at the end parts of the pin shafts; the rod heads of the main clutch release lever and the auxiliary clutch release lever are respectively riveted and fixed with one end of the main clutch release lever and one end of the auxiliary clutch release lever through rivets.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123174563.7U CN216407539U (en) | 2021-12-17 | 2021-12-17 | Double-acting clutch with novel structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123174563.7U CN216407539U (en) | 2021-12-17 | 2021-12-17 | Double-acting clutch with novel structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216407539U true CN216407539U (en) | 2022-04-29 |
Family
ID=81285977
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123174563.7U Active CN216407539U (en) | 2021-12-17 | 2021-12-17 | Double-acting clutch with novel structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216407539U (en) |
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2021
- 2021-12-17 CN CN202123174563.7U patent/CN216407539U/en active Active
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