CN211371084U

CN211371084U - Wide-corner high-strength vibration reduction clutch

Info

Publication number: CN211371084U
Application number: CN201922111189.2U
Authority: CN
Inventors: 沈建强; 赵早君; 叶晨威; 刘正明
Original assignee: ZHEJIANG TIELIU CLUTCH CO Ltd
Current assignee: ZHEJIANG TIELIU CLUTCH CO Ltd
Priority date: 2019-11-30
Filing date: 2019-11-30
Publication date: 2020-08-28
Anticipated expiration: 2029-11-30

Abstract

The utility model discloses a wide corner high strength damping clutch mainly includes damping plate etc. and evenly open on the damping plate circumferencial direction has four windows, and every window both ends adopt two spring holders of assembly process installation of pressure, installs main damping spring A, main damping spring B between two spring holders, the coaxial suit of main damping spring A, main damping spring B, and damping plate central point puts installation idle vibration damper. The utility model discloses under the condition that allows the clutch to increase size space range, driven plate assembly adopts big torsion angle damping clutch can adapt to bus to torsional rigidity, idle damping moment and the requirement of maximum damping moment, makes the vibration and the noise of vehicle transmission system obtain great improvement; under the high-strength overload operation of the vehicle, the use reliability and the service life of the clutch are more advantageous than those of conventional products; the vibration reduction design mode of the idling vibration reduction system and the main vibration reduction system is adopted, and the requirements of noise vibration reduction and driving vibration reduction in idling are met respectively.

Description

Wide-corner high-strength vibration reduction clutch

Technical Field

The utility model relates to a field of automobile key spare part, concretely relates to wide corner high strength damping clutch.

Background

In an automobile transmission system, a clutch is mainly used for transmitting and cutting off power generated by an engine to maintain normal running of a vehicle; whether the working performance of the clutch is safe and stable directly influences the starting, braking and driving performances of the whole vehicle in the using process.

With the continuous development of the automobile industry at home and abroad, the automobile manufacturing technology is more mature, the clutch is more compact and perfect in space and structure design, and the use requirement on the clutch is higher and higher. The conventional clutch products of the current domestic clutch manufacturers are all based on the matching of conventional automobile models, and the conventional six-spring structure is adopted in the design, so that the larger ultimate damping torque and the clutch friction torque are mainly considered, and the damping rigidity and the use comfort are not excessively considered. Especially bus type, because frequent start shifts gears, the driven plate receives frequent striking at the process of traveling, and the restriction of driven plate disk body structure is out of order easily, and can have resonance phenomenon. Due to long-time overload operation, the comfort and reliability of the use of the clutch cannot meet the use requirements of customers. In the conventional clutch design, the main damping spring A1 and the main damping spring B2 are directly assembled and fixed with the window of the damping disc 4, and due to the structure, when the disc body rotates, stress is relatively concentrated, the requirements on the hardness and the window size of the damping disc 4 are high, and the situation that the window of the damping disc 4 is broken in the later period of use is prominent.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome the not enough of prior art existence, and provide a wide corner high strength damping clutch.

The purpose of the utility model is accomplished through following technical scheme: the wide-corner high-strength vibration reduction clutch mainly comprises a main vibration reduction spring A, a main vibration reduction spring B, spring seats, a vibration reduction disc, an idling vibration reduction device and windows, wherein four windows are uniformly formed in the circumferential direction of the vibration reduction disc, two spring seats are mounted at two ends of each window by adopting a pressing assembly process, the main vibration reduction spring A and the main vibration reduction spring B are mounted between the two spring seats, the main vibration reduction spring A and the main vibration reduction spring B are coaxially sleeved, and the idling vibration reduction device is mounted at the center of the vibration reduction disc. The U-shaped clamping groove gap is designed in a key stress area where two sides of the window of the damping disc are connected with the wavy reinforcing ribs, and the U-shaped clamping groove gap is matched with the size of a boss on the back of the spring seat; the acting force generated by the torsion of the damping spring firstly acts on the spring seat, and then the force is borne at the notch part of the U-shaped clamping groove through the boss at the back of the spring seat.

And the damping disc body is provided with wave-shaped reinforcing ribs in the circumferential direction.

And the outer ends of the two sides of the window of the vibration reduction disc are provided with relief angles.

The abdication angle is 9 degrees.

The spring seat is a 45# casting, the spring seat is integrally tempered, the surface hardness reaches 500 plus 600HV, and two bosses are designed in the middle of the spring seat and are used for respectively positioning and guiding the main damping spring A and the main damping spring B.

The rigidity of the main vibration damping spring A and the rigidity of the main vibration damping spring B are 180 N.m.

The clutch adopts a four-large-spring wide-angle design, and the torsion angle is 21 degrees in the forward direction and 18 degrees in the reverse direction.

The utility model has the advantages that:

1. the utility model discloses under the condition that allows the clutch to increase size space range, driven plate assembly adopts big torsion angle damping clutch can adapt to bus to torsional rigidity, idle damping moment and the requirement of maximum damping moment, makes the vibration and the noise of vehicle transmission system obtain great improvement; under the high-strength overload operation of the vehicle, the use reliability and the service life of the clutch are more advantageous than those of conventional products; the design adopts a vibration damping design mode of an idling vibration damping system and a main vibration damping system, and the requirements of noise vibration damping and driving vibration damping during idling are respectively met.

2. The utility model can promote the structure upgrade of series products, improve the market competitiveness and realize the continuous development; the method is beneficial to improving the competitiveness of enterprises, reducing the gap between the competitive power of the enterprises and the overall level of advanced transmission systems and accessory product production of developed countries, keeping up with the pace of the overall development of the automobile and component industries in China, and realizing the overall development strategy of the enterprises by means of the self-effort and the support of the countries on the policy aspect.

Drawings

Fig. 1 is a schematic structural diagram of the prior art.

Fig. 2 is a schematic structural diagram of the present invention.

Fig. 3 is a schematic diagram of the structure of the key part of the present invention.

Fig. 4 is a side sectional view of the present invention.

Description of reference numerals: the vibration damping device comprises a main vibration damping spring A1, a main vibration damping spring B2, a spring seat 3, a vibration damping disc 4, an idling vibration damping device 5, a wavy reinforcing rib 6, a U-shaped clamping groove notch 7, a key stress area 8, a window 9, a abdication angle 10 and a boss 11.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings:

example (b): as shown in the attached drawing, the wide-corner high-strength vibration damping clutch mainly comprises a main vibration damping spring A1, a main vibration damping spring B2, spring seats 3, a vibration damping disc 4, an idling vibration damping device 5 and windows 9, wherein four windows 9 are uniformly formed in the circumferential direction of the vibration damping disc 4, two spring seats 3 are mounted at two ends of each window 9 by adopting a pressing and combining assembly process, the main vibration damping spring A1 and the main vibration damping spring B2 are mounted between the two spring seats 3, the main vibration damping spring A1 and the main vibration damping spring B2 are coaxially sleeved, and the idling vibration damping device 5 is mounted at the center of the vibration damping disc 4.

The wavy reinforcing ribs 6 are arranged in the circumferential direction of the structure of the damping disc 4, the disc body of the damping disc 4 can maximally improve the anti-torsion capacity when stressed, and the situation that elastic deformation or fracture occurs under the output of ultimate torque is effectively avoided. The two sides of a window 9 of the damping disc 4 are connected with the wave-shaped reinforcing ribs 6, a key stress area 8 is provided with a U-shaped clamping groove gap 7, and the U-shaped clamping groove gap 7 is matched with a boss 11 at the back of the spring seat 3 in size. The acting force generated by torsion of the main damping spring A1 and the main damping spring B2 firstly acts on the spring seat 3, and then the force is borne at the notch part of the U-shaped clamping groove notch 7 through the boss 11 at the back part of the spring seat 3, so that the stress of the spring seat 3 on the disc body of the damping disc 4 is effectively dispersed around the U-shaped clamping groove notch 7, and the concentration of tangential force and stress formed by the spring seat 3 on the notch part of the window 9 in the high-speed rotation process is avoided. The outer ends of the two sides of the window 9 of the damping disk 4 are provided with relief angles 10. Let the azimuth angle 10 be 9 degrees in size.

The spring seat 3 is a 45# casting, the spring seat 3 is integrally hardened and tempered, the surface hardness reaches 500-600HV, and the middle of the spring seat 3 is provided with two bosses 11 for respectively positioning and guiding the main damping spring A1 and the main damping spring B2. In the operation process of the damping disc 4 disc body, due to the design of the boss 11 of the spring seat 3 and the abdication angle 10 of the damping window 9, the motion tracks of the main damping spring A1 and the main damping spring B2 can be better adjusted, the occurrence of the main damping spring A1 and the early abrasion of the main damping spring B2 are avoided, meanwhile, the disc body rotates at a high speed, the main damping spring A1 and the main damping spring B2 cannot be dislocated due to the action of centrifugal force, so that the window 9 flanging of the damping disc 4 is abraded, and the reliability of the damping disc 4 disc body in the use process of a large torsion angle is ensured.

The stiffness of the main damper spring a1 and the main damper spring B2 is reduced from 372n.m to 180n.m, which enables more efficient vibration filtering during vehicle travel. The clutch adopts a four-large-spring wide-angle design, the torsion angle is 21 degrees in the forward direction and 18 degrees in the reverse direction, and the torsion angle is increased by more than 2 times compared with the forward and reverse torsion angles of products with the same specification.

It should be understood that equivalent substitutions or changes to the technical solution and the inventive concept of the present invention should be considered to fall within the scope of the appended claims for the skilled person.

Claims

1. The utility model provides a wide corner high strength damping clutch which characterized in that: the damping device mainly comprises a main damping spring A (1), a main damping spring B (2), spring seats (3), a damping disc (4), an idling damping device (5) and windows (9), wherein four windows (9) are uniformly formed in the circumferential direction of the damping disc (4), two ends of each window (9) are provided with two spring seats (3) by adopting a pressing and combining assembly process, the main damping spring A (1) and the main damping spring B (2) are arranged between the two spring seats (3), the main damping spring A (1) and the main damping spring B (2) are coaxially sleeved, and the idling damping device (5) is arranged in the center of the damping disc (4); a U-shaped clamping groove notch (7) is designed in a key stress area (8) where two sides of a window (9) of the damping disc (4) are connected with the wavy reinforcing ribs (6), and the U-shaped clamping groove notch (7) is matched with a boss (11) at the back of the spring seat (3) in size; the acting force generated by the torsion of the damping spring firstly acts on the spring seat (3), and then the force is borne at the notch part of the U-shaped clamping groove through the boss (11) at the back of the spring seat.

2. The wide angle, high strength, vibration canceling clutch of claim 1 wherein: the damping disc (4) is provided with wave-shaped reinforcing ribs (6) in the circumferential direction of the disc body structure.

3. The wide-angle high-strength vibration damping clutch according to claim 1 or 2, wherein: and relief angles (10) are designed at the outer ends of the two sides of the window (9) of the vibration reduction disc (4).

4. A wide angle high strength damper clutch according to claim 3, wherein: the let azimuth angle (10) is 9 degrees.

5. The wide angle, high strength, vibration canceling clutch of claim 1 wherein: two bosses (11) are designed in the middle of the spring seat (3) and are used for positioning and guiding the main damping spring A (1) and the main damping spring B (2) respectively.