CN217381364U

CN217381364U - Double-disc spring double-acting clutch assembly

Info

Publication number: CN217381364U
Application number: CN202221274660.5U
Authority: CN
Inventors: 张宇红; 王海燕
Original assignee: Rongcheng Huanghai Clutch Co ltd
Current assignee: Rongcheng Huanghai Clutch Co ltd
Priority date: 2022-05-25
Filing date: 2022-05-25
Publication date: 2022-09-06
Anticipated expiration: 2032-05-25

Abstract

The utility model provides a double-disc spring double-acting clutch assembly, including clutch case, main pressure disk, vice pressure disk, the clutch case top outside is equipped with main release lever assembly and vice release lever assembly, the clutch case with be equipped with principal and subordinate driving disk assembly between the main pressure disk, main pressure disk with be equipped with belleville spring between the vice pressure disk, the opposite side of vice pressure disk is equipped with vice driven disk assembly, be equipped with the notched ejector pin of tip on the main release lever assembly, the fixed adjusting screw that is equipped with on the main pressure disk, adjusting screw's free end with recess on the ejector pin matches. The technical problems that the existing single-disc-spring double-acting clutch assembly is poor in reliability and durability, and multiple structures of components of the double-disc-spring double-acting clutch assembly are complex, so that the rotational inertia of the clutch is increased and the manufacturing cost is increased are solved. The utility model discloses but wide application is in transmission systems such as engineering machine tool, mining machinery, agricultural equipment.

Description

Double-disc spring double-acting clutch assembly

Technical Field

The utility model relates to a clutch especially relates to a double-disk spring double-acting clutch assembly.

Background

A single disc spring is adopted to provide working pressing force for a main clutch system and an auxiliary clutch system, and because the load characteristic of the disc spring is a parabola state, when one system is in a separation state in the main clutch system and the auxiliary clutch system, the working pressing force of the disc spring is reduced, the transmission torque is reduced, the phenomena of faults such as aggravation of wear of the clutch assembly, slippage, ablation and the like are easily caused, and the reliability and durability of the clutch are reduced. The existing double-disc spring double-acting clutch assembly has more components and complex structure, leads to the increase of the rotational inertia of the clutch and improves the manufacturing cost of products besides parts such as a main separating system, an auxiliary separating system, a disc spring and the like which are conventionally required and other main parts also comprise a clutch cover, a main pressure plate, an auxiliary pressure plate and an intermediate pressure plate (see attached drawings).

Disclosure of Invention

The utility model discloses to current single dish spring double-acting clutch assembly reliability and durability relatively poor, double dish spring double-acting clutch assembly component multi-structure complicated, lead to the technical problem of clutch inertia increase, manufacturing cost increase, provide a subassembly less, simple structure, low in manufacturing cost and reliability and the better double dish spring double-acting clutch assembly of durability.

Therefore, the technical proposal of the utility model is that a double-disc spring double-acting clutch assembly comprises a clutch cover, a main pressure plate and an auxiliary pressure plate, a main separating lever assembly and an auxiliary separating lever assembly are arranged on the outer side of the top of the clutch cover, a main driving disc assembly and an auxiliary driving disc assembly are arranged between the clutch cover and the main pressing disc, a disc spring is arranged between the main pressure plate and the auxiliary pressure plate, an auxiliary driven plate assembly is arranged at the other side of the auxiliary pressure plate, the main release lever assembly is connected with the clutch cover through a long pin, the auxiliary release lever assembly is connected with the clutch cover through a short pin, the main separation lever assembly is provided with a mandril with a groove at the end part, the main pressure plate is fixedly provided with an adjusting screw, the free end of the adjusting screw is matched with the groove in the ejector rod, the auxiliary separating lever assembly is provided with an auxiliary pull rod, and the other end of the auxiliary pull rod is fixed on the auxiliary pressure plate.

Preferably, two groups of disc springs are arranged between the main pressure plate and the auxiliary pressure plate.

Preferably, the side wall of the inner part of the clutch cover is provided with an arc-shaped groove, a disc-shaped gasket is arranged in the groove, and the disc-shaped spring is arranged on the disc-shaped gasket.

Preferably, the dish-shaped gasket is provided with a positioning lug and a central hole, the clutch cover is provided with a mounting hole, the central hole and the mounting hole are overlapped, and the dish-shaped gasket and the clutch cover are fixed on the flywheel in a mode that a bolt penetrates through the central hole and the mounting hole.

Preferably, the non-contact working surfaces of the main pressure plate and the auxiliary pressure plate are both provided with ventilation grooves.

The utility model has the advantages that,

(1) the utility model realizes the purpose of better reliability and durability of the double-disc spring double-acting clutch through the reasonable design of the components, simplifies the whole structure due to the cancellation of the traditional middle pressure plate, lightens the weight of the assembly, solves the problem of large rotational inertia, has simple structure, convenient assembly and greatly reduced manufacturing cost, and is beneficial to improving the market competitiveness of the product;

(2) the disc-shaped gasket is arranged in the groove on the inner wall of the clutch cover, so that the disc-shaped spring can be effectively supported;

(3) because the ejector rod is provided with a groove matched with the adjusting screw, the main separating lever assembly is rotated to drive the ejector rod to push the adjusting screw, and the adjusting screw drives the main pressure plate to move, so that gaps are generated on two sides of friction plates of the main and auxiliary pressure plate assemblies, and the main clutch is separated; the auxiliary clutch is separated by rotating the auxiliary separating rod assembly downwards and driving the auxiliary pressure plate to move through the auxiliary pull rod, so that gaps are generated among the auxiliary pressure plate assembly, the auxiliary pressure plate and the flywheel.

Drawings

FIG. 1 is a front view of the overall structure of an embodiment of the present invention;

fig. 2 is a schematic cross-sectional structure diagram of an embodiment of the present invention;

fig. 3 is a schematic structural diagram of a main pressure plate according to an embodiment of the present invention;

fig. 4 is a schematic structural view of the auxiliary pressure plate according to the embodiment of the present invention;

FIG. 5 is a schematic structural view of a disc-shaped gasket according to an embodiment of the present invention;

fig. 6 is a schematic view of a partial structure of a clutch cover and a disc-shaped gasket according to an embodiment of the present invention.

The symbols in the figures illustrate:

1. a clutch cover; 2. a main driving disc assembly and a driven disc assembly; 3. a main platen; 4. a disc spring; 5. a sub-platen; 6. an auxiliary driven disc assembly; 7. a disc-shaped gasket; 8. a main release lever assembly; 9. a secondary release lever assembly; 10. adjusting the screw; 11. a top rod; 12. a long pin; 13. a short pin; 14. an auxiliary pull rod; 15. a main pressure plate non-contact working surface; 16. the auxiliary pressure plate is a non-contact working surface; 17. a central hole of the disc-shaped gasket; 18. and (7) installing holes.

Detailed Description

The present invention will be further described with reference to the following examples.

As shown in fig. 1-5, a double-disc spring double-acting clutch assembly comprises a clutch cover 1, a main pressure plate 3 and an auxiliary pressure plate 5, wherein a main separation lever assembly 8 and an auxiliary separation lever assembly 9 are arranged on the outer side of the top of the clutch cover 1, a main driving disc assembly 2 and a driven driving disc assembly 2 are arranged between the clutch cover 1 and the main pressure plate 3, two groups of disc springs 4 are arranged between the main pressure plate 3 and the auxiliary pressure plate 5, the inner side wall of the clutch cover 1 is machined, and N circular arc-shaped grooves which are uniformly distributed along the circumference are machined in the area, close to the bottom, of the side wall, as shown in fig. 6, disc gaskets 7 are arranged in the grooves, the two groups of disc springs 4 are arranged on the disc gaskets 7, and the disc gaskets 7 play a supporting role on the disc springs 4. The disc-shaped gasket 7 is provided with a positioning lug and a disc-shaped gasket central hole 17, the clutch cover 1 is provided with a mounting hole 18, the center of the disc-shaped gasket central hole 17 is superposed with the center of the mounting hole 18, and the disc-shaped gasket 7 and the clutch cover 1 are fixed on the flywheel in a mode that bolts penetrate through the disc-shaped gasket central hole 17 and the mounting hole 18.

The other side of the auxiliary pressure plate 5 is provided with an auxiliary driven plate assembly 6, a main separation lever assembly 8 is connected with the clutch cover 1 through a long pin 12, an auxiliary separation lever assembly 9 is connected with the clutch cover 1 through a short pin 13, an ejector rod 11 with a groove at the end part is arranged on the main separation lever assembly 8, an adjusting screw 10 is fixedly arranged on the main pressure plate 3, the free end of the adjusting screw 10 is matched with the groove on the ejector rod 11, an auxiliary pull rod 14 is arranged on the auxiliary separation lever assembly 9, and the other end of the auxiliary pull rod 14 is fixed on the auxiliary pressure plate 5. Arc-shaped ventilation grooves are formed in the main pressure plate non-contact working face 15 and the auxiliary pressure plate non-contact working face 16, heat dissipation performance is enhanced, and phenomena such as abrasion, slipping and ablation of friction materials are relieved.

When the clutch works, the main separating shaft bearing is operated to push the head of the main separating lever assembly 9 to move downwards, the ejector rod 11 is driven to push the adjusting screw 10 to move through the groove, so that gaps are generated on two sides of a friction plate of the main and auxiliary movable disc assemblies 2, and the main clutch is separated; the auxiliary release bearing is operated, the auxiliary release lever assembly 9 is pushed to move downwards, the auxiliary pressure plate 5 is driven by the auxiliary pull rod 14 to move in the opposite direction, and the auxiliary driven plate assembly 6, the auxiliary pressure plate 5 and the flywheel generate gaps to realize the separation of the auxiliary clutch.

The utility model discloses a reasonable design of above each subassembly has realized the better purpose of two dish spring double-acting clutch reliability and durability to, owing to cancelled traditional middle pressure disk, simplified overall structure, alleviateed the weight of assembly, solved the big problem of inertia, simple structure, the equipment is convenient, and manufacturing cost has also obtained very big reduction, is favorable to improving the market competition of product.

However, the above description is only an embodiment of the present invention, and the scope of the present invention should not be limited thereto, so that the replacement of the equivalent components or the equivalent changes and modifications made according to the protection scope of the present invention should be covered by the claims of the present invention.

Claims

1. A double-disc spring double-acting clutch assembly is characterized by comprising a clutch cover, a main pressure plate and an auxiliary pressure plate, a main separating lever assembly and an auxiliary separating lever assembly are arranged on the outer side of the top of the clutch cover, a main driving disc assembly and an auxiliary driving disc assembly are arranged between the clutch cover and the main pressing disc, a disk spring is arranged between the main pressure plate and the auxiliary pressure plate, an auxiliary driven plate assembly is arranged on the other side of the auxiliary pressure plate, the main release lever assembly is connected with the clutch cover through a long pin, the auxiliary release lever assembly is connected with the clutch cover through a short pin, the main separation lever assembly is provided with a mandril with a groove at the end part, the main pressure plate is fixedly provided with an adjusting screw, the free end of the adjusting screw is matched with the groove in the ejector rod, the auxiliary separating lever assembly is provided with an auxiliary pull rod, and the other end of the auxiliary pull rod is fixed on the auxiliary pressure plate.

2. A dual disc spring double acting clutch assembly as set forth in claim 1 wherein two sets of disc springs are disposed between said primary pressure plate and said secondary pressure plate.

3. A dual disc spring double acting clutch assembly according to claim 1, wherein the clutch cover has an arcuate recess in an inner side wall thereof, a disc shaped washer being disposed in the recess, and the disc spring being disposed on the disc shaped washer.

4. A dual disc spring double acting clutch assembly according to claim 3, wherein the disc shaped spacer has locating lugs and a central hole, the clutch cover has mounting holes, the central hole and the mounting holes are coincident, and the disc shaped spacer and the clutch cover are secured to the flywheel by bolts passing through the central hole and the mounting holes.

5. A dual disc spring double acting clutch assembly as set forth in claim 1 wherein said primary pressure plate and said secondary pressure plate each have a vent slot in their non-contacting working surfaces.