CN114110086A - Centrifugal pendulum torsion-limiting vibration absorber - Google Patents

Centrifugal pendulum torsion-limiting vibration absorber Download PDF

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Publication number
CN114110086A
CN114110086A CN202111499663.9A CN202111499663A CN114110086A CN 114110086 A CN114110086 A CN 114110086A CN 202111499663 A CN202111499663 A CN 202111499663A CN 114110086 A CN114110086 A CN 114110086A
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CN
China
Prior art keywords
friction
steel sheet
rivet
plate
sheet
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Pending
Application number
CN202111499663.9A
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Chinese (zh)
Inventor
邱毅凡
陈祥
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HASCO Powertrain Components Systems Shanghai Co Ltd
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HASCO Powertrain Components Systems Shanghai Co Ltd
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Priority to CN202111499663.9A priority Critical patent/CN114110086A/en
Publication of CN114110086A publication Critical patent/CN114110086A/en
Pending legal-status Critical Current

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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
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
    • F16F15/10—Suppression of vibrations in rotating systems by making use of members moving with the system
    • F16F15/12—Suppression of vibrations in rotating systems by making use of members moving with the system using elastic members or friction-damping members, e.g. between a rotating shaft and a gyratory mass mounted thereon
    • F16F15/131—Suppression of vibrations in rotating systems by making use of members moving with the system using elastic members or friction-damping members, e.g. between a rotating shaft and a gyratory mass mounted thereon the rotating system comprising two or more gyratory masses
    • 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
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
    • F16F15/10—Suppression of vibrations in rotating systems by making use of members moving with the system
    • F16F15/12—Suppression of vibrations in rotating systems by making use of members moving with the system using elastic members or friction-damping members, e.g. between a rotating shaft and a gyratory mass mounted thereon
    • F16F15/131—Suppression of vibrations in rotating systems by making use of members moving with the system using elastic members or friction-damping members, e.g. between a rotating shaft and a gyratory mass mounted thereon the rotating system comprising two or more gyratory masses
    • F16F15/133—Suppression of vibrations in rotating systems by making use of members moving with the system using elastic members or friction-damping members, e.g. between a rotating shaft and a gyratory mass mounted thereon the rotating system comprising two or more gyratory masses using springs as elastic members, e.g. metallic springs
    • F16F15/134—Wound springs
    • 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
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
    • F16F15/10—Suppression of vibrations in rotating systems by making use of members moving with the system
    • F16F15/12—Suppression of vibrations in rotating systems by making use of members moving with the system using elastic members or friction-damping members, e.g. between a rotating shaft and a gyratory mass mounted thereon
    • F16F15/131—Suppression of vibrations in rotating systems by making use of members moving with the system using elastic members or friction-damping members, e.g. between a rotating shaft and a gyratory mass mounted thereon the rotating system comprising two or more gyratory masses
    • F16F15/139—Suppression of vibrations in rotating systems by making use of members moving with the system using elastic members or friction-damping members, e.g. between a rotating shaft and a gyratory mass mounted thereon the rotating system comprising two or more gyratory masses characterised by friction-damping means
    • 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
    • Y02T10/62—Hybrid vehicles

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Mechanical Engineering (AREA)
  • One-Way And Automatic Clutches, And Combinations Of Different Clutches (AREA)

Abstract

The invention discloses a centrifugal pendulum torque-limiting damper, which comprises a spring damper subassembly, a multi-piece torque-limiting device subassembly and a centrifugal pendulum bob subassembly, wherein the centrifugal pendulum bob subassembly is circumferentially arranged in a circumferential space formed by spring groups of the spring damper subassembly, and the multi-piece torque-limiting device subassembly is arranged between a steel sheet and a cover plate at the inner diameter of the spring damper subassembly. The invention has the advantages of effectively utilizing the space between the steel sheet and the cover plate and having better vibration damping performance.

Description

Centrifugal pendulum torsion-limiting vibration absorber
Technical Field
The invention relates to a torsion limiting shock absorber, in particular to a torsion limiting shock absorber integrated with a centrifugal pendulum.
Background
The torque-limiting damper is mainly applied to parts between an engine and a gearbox in an automobile power assembly system, and has the functions of damping vibration, reducing noise and protecting overload torque for an automobile.
At present, in a hybrid electric vehicle, due to the use of an internal combustion engine, a shock absorber must be assembled at the output end of a crankshaft of the engine, and due to the particularity of the power assembly structure of some hybrid electric vehicles, a clutch which plays a role of torque limitation is not installed between the engine and a gearbox, the shock absorber must have a torque limitation function in the application, and in order to obtain better overall comfort, the performance of the torque limitation shock absorber must be improved in a limited space.
CN214425011U discloses a torque-limiting damper, which is implemented by compressing a coil spring to generate stiffness through a structure, compressing a friction plate by a disc spring to generate torque limitation, and only has basic damping performance and torque limitation capability, and is a relatively low-cost technical solution, but the damping performance and the torque limitation capability are limited. This is where the application needs to be focused on.
CN113531042A discloses a torsion limiting damper, which is arranged at the outer diameter of the damper, resulting in a relatively small arrangement space of the damper and limited damping performance. This is where the application needs to be focused on.
The applicant previously applied for an asymmetric damping large-corner torque-limiting shock absorber, the structure of the shock absorber improves the performance of spring shock absorption by realizing a large torsion angle, the effect of matching the whole vehicle is further optimized by realizing asymmetric damping, but the shock absorber only has the capability of spring shock absorption, and the space occupied by the torque limiter is large. This is where the application needs to be focused on.
Disclosure of Invention
The invention aims to provide a centrifugal pendulum torque-limiting damper with small occupied space, which integrates a centrifugal pendulum bob subassembly, a spring damper subassembly and a multi-piece torque-limiting device subassembly together.
In order to solve the technical problem, the invention provides a centrifugal pendulum torsion-limiting damper which comprises a spring damper subassembly, a multi-piece torsion-limiting device subassembly and a centrifugal pendulum bob subassembly, wherein the centrifugal pendulum bob subassembly is circumferentially arranged in a circumferential space formed by spring groups of the spring damper subassembly, and the multi-piece torsion-limiting device subassembly is arranged between a steel sheet and a cover plate at the inner diameter of the spring damper subassembly. The steel sheet and the cover plate are used as structural supports of the multi-sheet torque limiter subassembly, steel plates required by the multi-sheet torque limiter subassembly are reduced, and the space between the steel sheet and the cover plate is effectively utilized.
The spring shock absorber subassembly comprises a shaft sleeve plate, a steel sheet, a double-end flat pin, a cover plate, a spring group, a damping ring, a damping disc spring seat, a damping disc spring and a single-end flat pin; the steel sheet and the cover plate are arranged on two sides of the shaft sleeve plate, the double-end flat pins are distributed in the circumferential direction and respectively penetrate through double-end flat pin holes in the steel sheet and the cover plate and limiting windows in the shaft sleeve plate, and the steel sheet and the cover plate are fixedly riveted. In order to enhance the structural rigidity of the inner diameter position of the shock absorber, the single-end flat pins are distributed in the circumferential direction and respectively penetrate through single-end flat pin holes in the steel sheet and the cover plate, and the inner diameter positions of the steel sheet and the cover plate are riveted and fixed. The spring windows on the shaft sleeve plate, the spring windows on the steel sheet and the spring windows on the cover plate are distributed in the circumferential direction and are in one-to-one correspondence to form a spring bin, and the spring group is arranged in the spring bin. The damping ring is arranged between the steel sheet and the shaft sleeve plate, the clamping angles of the damping ring are circumferentially distributed on the damping ring, square holes are circumferentially arranged on the steel sheet, and the clamping angles of the damping ring and the square holes are arranged in the square holes in a one-to-one correspondence mode. The damping disc spring seat and the damping disc spring are arranged between the cover plate and the shaft sleeve plate. And finishing the assembly of the spring damper subassembly.
The spring group is formed by arranging the inner spring at the central position of the outer spring.
The centrifugal pendulum sub-assembly comprises a pendulum, a pendulum limiting rivet and a roller; a plurality of limiting rivet holes, a first waist-shaped hole and a counterweight step are arranged on the pendulum bob, the limiting rivet of the pendulum bob penetrates through the limiting rivet holes to rivet and fix the two pendulum bobs, and the roller is arranged in the first waist-shaped hole to complete the assembly of the pendulum bob subassembly of the centrifugal pendulum.
The centrifugal pendulum sub-assemblies are circumferentially arranged in a circumferential space formed by the spring groups of the spring damper sub-assemblies, wherein the installation form of each centrifugal pendulum sub-assembly is the same, and the two pendulum weights are arranged on two sides of the shaft sleeve plate. A plurality of pendulum bob rivet windows and second kidney-shaped holes are arranged on the shaft sleeve plate, pendulum bob limiting rivets of corresponding quantity penetrate through the pendulum bob rivet windows, the diameter of each pendulum bob rivet window is larger than that of each pendulum bob limiting rivet, and rollers of corresponding quantity are arranged in the second kidney-shaped holes. And finishing the assembly of the pendulum sub-assembly of the centrifugal pendulum and the spring damper sub-assembly.
The multi-piece torque limiter sub-assembly comprises a friction steel sheet, a friction plate rivet, a first flexible sheet, a rivet, a second flexible sheet, a torque limiting disc spring seat, a torque limiting disc spring and a spline shaft sleeve; a plurality of friction plate rivet holes and a friction plate plane are circumferentially arranged on the friction plates, friction plate rivets are circumferentially distributed, penetrate through the friction plate rivet holes and the friction plate rivet holes in the first flexible plate respectively, the two friction plates and the first flexible plate are fixedly riveted, and the two friction plate planes face outwards. Similarly, the friction plate rivets are distributed circumferentially and respectively penetrate through the friction plate rivet holes and the friction plate rivet holes in the second flexible plate, so that the two friction plates and the second flexible plate are riveted and fixed, and the planes of the two friction plates face outwards.
A plurality of spline shaft sleeve rivet holes are arranged in the circumferential direction on the spline shaft sleeve, rivets are distributed in the circumferential direction, pass through the first flexible sheet rivet hole, the spline shaft sleeve rivet hole and the second flexible sheet rivet hole respectively, and the first flexible sheet, the second flexible sheet and the spline shaft sleeve are fixedly riveted.
The friction steel sheet is arranged between two friction sheets between the first flexible sheet and the second flexible sheet, the first friction sheet is attached to the friction sheet plane of one friction sheet, and the second friction sheet is attached to the friction sheet plane of the other friction sheet to form two friction pairs; the inner circle of the friction steel sheet is arranged at the outer circle of the spline shaft sleeve.
The torsion limiting disc spring seat is provided with a torsion limiting disc spring seat clamping angle, a friction surface and a pressure surface, the torsion limiting disc spring seat is arranged on one side of the second flexible sheet, and the friction surface is attached to the friction sheet plane on one side of the second flexible sheet to form a third friction pair; the torsion limiting disc spring is arranged on one side of the torsion limiting disc spring seat and is in contact with the pressure surface to transfer pressure. And finishing the assembly of the multi-piece torque limiter subassembly.
The multi-sheet torque limiter sub-assembly is arranged between a steel sheet and a cover plate at the inner diameter of the spring shock absorber sub-assembly, steel sheet clamping angles on the friction steel sheet and square holes on the steel sheet are installed in the square holes in a one-to-one correspondence mode, and a friction surface at the inner diameter of the steel sheet is attached to a friction sheet plane on one side of the first flexible sheet to form a fourth friction pair. The cover plate is provided with square grooves in the circumferential direction, and the clamping angles of the torsion limiting disc spring seats are arranged in the square grooves in a one-to-one correspondence mode. A plurality of friction steel sheet gaps are circumferentially arranged on the friction steel sheet, the number of the friction steel sheet gaps is the same as that of the single-head flat pins, and the single-head flat pins penetrate through the friction steel sheet gaps. The assembly of the multi-piece torque limiter subassembly and the spring damper subassembly is completed,
the number of friction pairs of the multi-piece torque limiter sub-assembly needs to be further increased, the number of the flexible pieces, the friction pieces and the friction steel sheets is increased, and when one flexible piece, two friction pieces and one friction steel sheet are added, two friction pairs are added, so that the torque limiting torque is improved.
The centrifugal swing torsion limiting damper is connected with the flywheel through a mounting hole circumferentially arranged on the shaft sleeve plate and is used for transmitting power of the engine, the positioning hole in the shaft sleeve plate plays a role in positioning the centrifugal swing torsion limiting damper and the flywheel, and the power of the engine is transmitted to the next part through the spline in the spline shaft sleeve after passing through the centrifugal swing torsion limiting damper.
The invention has the following advantages:
1) the invention introduces the power of the engine into the shock absorber through the shaft sleeve plate, the steel sheet and the cover plate output the power, the space between the steel sheet and the cover plate is effectively utilized to arrange the multi-sheet torque limiter subassembly, and the steel sheet and the cover plate are used as the structural support of the multi-sheet torque limiter subassembly, thereby reducing the steel sheets required by the multi-sheet torque limiter;
2) according to the invention, the multi-piece torque limiter sub-assembly is arranged at the inner diameter position of the shock absorber, the spring group is arranged at the outer diameter position of the torque limiter, the circumferential space of the arrangement of the spring group is saved by reducing the number of the spring group to be larger than that of the spring group due to the larger radius of the arrangement of the spring group, the centrifugal pendulum bob sub-assembly is arranged at the saved space position, and better shock absorption performance is obtained by matching the spring group and the centrifugal pendulum.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic view of an assembly of the present invention;
FIG. 2a is the upper half of the cross-sectional view A-A of FIG. 1;
FIG. 2b is the lower half of the cross-sectional view A-A of FIG. 1;
FIG. 3 is an exploded view of a sub-assembly of the present invention;
description of the figures
1-a shaft sleeve plate;
101-mounting holes; 102-positioning holes;
103-spring window a; 104-pendulum rivet window;
105-limiting window, 106-waist-shaped hole D;
2-a pendulum bob;
201-limiting rivet holes; 202-kidney shaped hole E;
203-counterweight step;
3-a pendulum bob limit rivet;
4-a roller;
5-steel sheet;
501-double-end flat pin hole F; 502-spring window B;
503-single-end flat pin hole H; 504-square hole;
505-friction surface J;
6-double-end flat pin;
7-cover plate;
701-double-end flat pin hole G; 702-spring window C;
703-single-end flat pin hole I; 704-square groove;
8-an outer spring; 9-an internal spring;
10-a damping ring;
1001-damping ring snap angle;
11-damping disc spring seat;
12-damping disc spring;
13-single-head flat pin;
14-friction steel sheet;
1401-steel sheet corner clip; 1402-friction surface K;
1403-friction surface L; 1404-rubbing the inner circle of the steel sheet;
1405-friction steel sheet notch;
15-friction plate;
1501-friction plate rivet hole N; 1502-friction plate plane;
16-friction plate rivets;
17-flexible sheet X;
1701-flexible sheet X rivet hole; 1702 — friction plate rivet hole O;
18-rivets;
19-flexible sheet Y;
1901-flexible sheet Y rivet hole; 1902-friction plate rivet hole P;
20-torsion limiting disc spring seat;
2001-torsion limiting disc spring seat snap angle; 2002-friction surface M;
2003-a pressure surface;
21-torsion limiting disc spring;
22-spline shaft sleeve;
2201-spline shaft sleeve rivet hole; 2202-spline;
2203-spline shaft sleeve excircle.
Detailed Description
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
Fig. 1 is a schematic view of an assembly of the present invention, fig. 2a is a top half of a cross-sectional view a-a of the present invention, fig. 2b is a bottom half of a cross-sectional view a-a of the present invention, and fig. 3 is an exploded view of a subassembly of the present invention. As shown in fig. 1-3, the present invention provides a centrifugal pendulum torque limiter damper, which comprises a spring damper subassembly, a centrifugal pendulum bob subassembly and a multi-piece torque limiter subassembly, wherein the centrifugal pendulum bob subassembly is circumferentially arranged in a circumferential space formed by spring groups of the spring damper subassembly, and the multi-piece torque limiter subassembly is arranged between a steel sheet and a cover plate at the inner diameter of the spring damper subassembly.
As shown in fig. 2a and 2b, the spring shock absorber subassembly comprises a shaft sleeve plate 1, a steel sheet 5, a double-end flat pin 6, a cover plate 7, an outer spring 8, an inner spring 9, a damping ring 10, a damping disc spring seat 11, a damping disc spring 12 and a single-end flat pin 13. The steel sheet 5 and the cover plate 7 are arranged on two sides of the shaft sleeve plate 1, the double-end flat pins 6 are distributed circumferentially and respectively penetrate through a double-end flat pin hole F501 in the steel sheet 5, a double-end flat pin hole G701 in the cover plate 7 and a limiting window 105 in the shaft sleeve plate 1, and the steel sheet 5 and the cover plate 7 are riveted and fixed.
As shown in fig. 2a and 2b, in order to enhance the structural rigidity of the inner diameter position of the shock absorber, the single-end flat pins 13 are distributed circumferentially and respectively penetrate through the single-end flat pin hole H503 on the steel sheet 5 and the single-end flat pin hole I703 on the cover plate 7, and the inner diameter positions of the steel sheet 5 and the cover plate 7 are riveted and fixed.
As shown in fig. 2b, the inner spring 9 is arranged in the center of the outer spring 8 to form a spring group.
As shown in fig. 2a and 2B, the spring windows a103 on the shaft sleeve plate 1, the spring windows B502 on the steel sheet 5, and the spring windows C702 on the cover plate 7 are circumferentially distributed and in one-to-one correspondence to form a spring chamber, and the spring group is arranged in the spring chamber. Damping ring 10 is arranged between steel sheet 5 and shaft sleeve plate 1, damping ring snap 1001 is circumferentially distributed on damping ring 10, steel sheet 5 is last to have the square hole 504 of circumference arrangement, and damping ring snap 1001 and square hole 504 one-to-one are installed in square hole 504. The damping disc spring seat 11 and the damping disc spring 12 are arranged between the cover plate 7 and the shaft sleeve plate 1. Thereby completing the assembly of the spring damper subassembly.
As shown in FIG. 3, the centrifugal pendulum bob subassembly comprises a bob 2, a bob limit rivet 3 and a roller 4. A plurality of limiting rivet holes 201, a waist-shaped hole E202 and a counterweight step 203 are arranged on the pendulum bob 2, the pendulum bob limiting rivets 3 penetrate through the limiting rivet holes 201 to rivet and fix the two pendulum bob 2, and the rollers 4 are arranged in the waist-shaped hole E202, so that the assembly of the centrifugal pendulum bob subassembly is completed.
As shown in FIGS. 2a and 2b, the pendulum sub-assemblies of the centrifugal pendulum are circumferentially arranged in a circumferential space formed by spring groups of the spring damper sub-assembly, wherein the installation form of each pendulum sub-assembly of the centrifugal pendulum is the same, two pendulums 2 are arranged on two sides of a shaft sleeve plate 1, a plurality of pendulum rivet windows 104 and kidney-shaped holes D106 are arranged on the shaft sleeve plate 1, a corresponding number of pendulum limit rivets 3 pass through the pendulum rivet windows 104, the diameter of the pendulum rivet windows 104 is larger than that of the pendulum limit rivets 3, and a corresponding number of rollers 4 are arranged in the kidney-shaped holes D106. Thus, the assembly of the pendulum sub-assembly of the centrifugal pendulum and the spring damper sub-assembly is completed.
As shown in fig. 2a and 2b, the multi-plate torque limiter subassembly comprises a friction steel plate 14, a friction plate 15, a friction plate rivet 16, a flexible plate X17, a rivet 18, a flexible plate Y19, a torque limiting disc spring seat 20, a torque limiting disc spring 21 and a spline shaft sleeve 22.
As shown in fig. 2a, a plurality of friction plate rivet holes N1501 and a friction plate plane 1502 are circumferentially arranged on the friction plate 15. Friction plate rivets 16 are circumferentially distributed and respectively penetrate through friction plate rivet holes N1501 and friction plate rivet holes O1702 on flexible plate X17 to rivet and fix two friction plates 15 and one flexible plate X17, and two friction plate planes 1502 face outwards. Similarly, friction plate rivets 16 are circumferentially distributed and respectively pass through friction plate rivet holes N1501 and friction plate rivet holes P1902 in flexible plate Y19, so that two friction plates 15 and one flexible plate Y19 are riveted and fixed, and two friction plate planes 1502 face outwards.
As shown in fig. 2b, a plurality of spline housing rivet holes 2201 are circumferentially arranged on the spline housing 22, and rivets 18 are circumferentially distributed and respectively pass through the flexible sheet X rivet hole 1701, the spline housing rivet hole 2201 and the flexible sheet Y rivet hole 1901 to rivet and fix the flexible sheet X17, the flexible sheet Y19 and the spline housing 22.
As shown in fig. 2a and fig. 2b, a friction surface K1402, a friction surface L1403, a friction steel sheet inner circle 1404 and a plurality of steel sheet clamping angles 1401 are arranged on the friction steel sheet 14, the friction steel sheet 14 is arranged between two friction sheets 15 between a flexible sheet X17 and a flexible sheet Y19, the friction surface K1402 is attached to a friction sheet plane 1502 of one friction sheet 15, the friction surface L1403 is attached to a friction sheet plane 1502 of the other friction sheet 15, two friction pairs are formed, and the friction steel sheet inner circle 1404 is installed at an outer circle 2203 of the spline sleeve.
As shown in fig. 2b, a torsion limiting disc spring seat 20 is provided with a torsion limiting disc spring seat snap angle 2001, a friction surface M2002 and a pressure surface 2003, the torsion limiting disc spring seat 20 is arranged on one side of a flexible sheet Y19, the friction surface M2002 is attached to a friction plate plane 1502 on one side of the flexible sheet Y19 to form a third friction pair, and a torsion limiting disc spring 21 is arranged on one side of the torsion limiting disc spring seat 20 and is in contact with the pressure surface 2003 to transmit pressure. Thus, the assembly of the multi-piece torque limiter subassembly is completed.
As shown in fig. 2a and 2b, the multi-plate torque limiter subassembly is arranged between the steel plate 5 and the cover plate 7 at the inner diameter of the spring damper subassembly, the steel plate clamping angle 1401 on the friction steel plate 14 and the square hole 504 on the steel plate 5 are installed in the square hole 504 in a one-to-one correspondence manner, and the friction surface J505 at the inner diameter of the steel plate 5 is attached to the friction plate plane 1502 on one side of the flexible plate X17, so that a fourth friction pair is formed. The inner diameter of the cover plate 7 is circumferentially provided with square grooves 704, and the torsion limiting disc spring seat clamping angles 2001 and the square grooves 704 are arranged in the square grooves 704 in a one-to-one correspondence mode. A plurality of friction steel sheet notches 1405 are circumferentially arranged on the friction steel sheet 14, the number of the friction steel sheet notches 1405 is the same as that of the single-head flat pins 13, and the single-head flat pins 13 penetrate through the friction steel sheet notches 1405. Therefore, the assembly of the multi-piece torque limiter subassembly and the spring damper subassembly is completed, and the assembly of the centrifugal pendulum torque limiting damper is completed.
The centrifugal swing torsion limiting damper is connected with a flywheel through a mounting hole 101 circumferentially arranged on a shaft sleeve plate 1 through a bolt to transmit power of an engine, a positioning hole 102 in the shaft sleeve plate 1 plays a role in positioning the centrifugal swing torsion limiting damper and the flywheel, and the power of the engine is transmitted to a next part through a spline 2202 on a spline shaft sleeve 22 after passing through the centrifugal swing torsion limiting damper.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (11)

1. The utility model provides a centrifugal pendulum limit turns round shock absorber, turns round ware sub-assembly, its characterized in that including spring damper sub-assembly, multi-disc formula limit: the multi-piece torque limiter is characterized by further comprising a centrifugal pendulum sub-assembly, wherein the centrifugal pendulum sub-assembly is circumferentially arranged in a circumferential space formed by spring groups of the spring damper sub-assembly, and the multi-piece torque limiter sub-assembly is arranged between a steel sheet and a cover plate at the inner diameter of the spring damper sub-assembly.
2. The centrifugal pendulum torque limiter damper of claim 1, wherein: the centrifugal pendulum sub-assembly comprises a pendulum, a pendulum limiting rivet and a roller; the pendulum bob is provided with a plurality of limiting rivet holes, a first waist-shaped hole and a counterweight step, the two pendulum bob are arranged on two sides of the shaft sleeve plate, the limiting rivet of the pendulum bob penetrates through the limiting rivet holes to rivet and fix the two pendulum bob, and the roller is arranged in the first waist-shaped hole.
3. The centrifugal pendulum torque limiter damper of claim 2, wherein: a plurality of pendulum bob rivet windows and second kidney-shaped holes are arranged on the shaft sleeve plate, pendulum bob limiting rivets with corresponding quantity penetrate through the pendulum bob rivet windows, and rollers with corresponding quantity are arranged in the second kidney-shaped holes.
4. The centrifugal pendulum torque limiter damper of claim 3, wherein: the diameter of the pendulum rivet window is larger than that of the pendulum limit rivet.
5. The centrifugal pendulum torque limiter damper of claim 1, wherein: the multi-piece torque limiter sub-assembly comprises a friction steel sheet, a friction plate rivet, a flexible sheet, a torque limiting disc spring seat, a torque limiting disc spring and a spline shaft sleeve; a plurality of friction plate rivet holes and a friction plate plane are circumferentially arranged on the friction plates, friction plate rivets are circumferentially distributed, penetrate through the friction plate rivet holes and the friction plate rivet holes in the flexible plates respectively, the two friction plates and the flexible plate are fixedly riveted, and the two friction plate planes face outwards.
6. The centrifugal pendulum torque limiter damper of claim 5, wherein: a plurality of spline shaft sleeve rivet holes are arranged in the circumferential direction on the spline shaft sleeve, rivets are distributed in the circumferential direction, pass through the first flexible sheet rivet hole, the spline shaft sleeve rivet hole and the second flexible sheet rivet hole respectively, and the first flexible sheet, the second flexible sheet and the spline shaft sleeve are fixedly riveted.
7. The centrifugal pendulum torque limiter damper of claim 5, wherein: the friction steel sheet is arranged between two friction sheets between the first flexible sheet and the second flexible sheet, the first friction sheet is attached to the friction sheet plane of one friction sheet, and the second friction sheet is attached to the friction sheet plane of the other friction sheet to form two friction pairs; the inner circle of the friction steel sheet is arranged at the outer circle of the spline shaft sleeve.
8. The centrifugal pendulum torque limiter damper of claim 5, wherein: the torsion limiting disc spring seat is provided with a torsion limiting disc spring seat clamping angle, a friction surface and a pressure surface, the torsion limiting disc spring seat is arranged on one side of the second flexible sheet, and the friction surface is attached to the friction sheet plane on one side of the second flexible sheet to form a third friction pair; the torsion limiting disc spring is arranged on one side of the torsion limiting disc spring seat and is in contact with the pressure surface to transfer pressure.
9. The centrifugal pendulum torque limiter damper of claim 1, wherein: the spring shock absorber subassembly comprises a shaft sleeve plate, a steel sheet, a double-end flat pin, a cover plate, a spring group, a damping ring, a damping disc spring seat, a damping disc spring and a single-end flat pin; the steel sheet and the cover plate are arranged on two sides of the shaft sleeve plate, the double-end flat pins are distributed circumferentially and respectively penetrate through double-end flat pin holes in the steel sheet and the cover plate and limiting windows in the shaft sleeve plate, and the steel sheet and the cover plate are riveted and fixed; the spring windows on the shaft sleeve plate, the spring windows on the steel sheet and the spring windows on the cover plate are distributed in the circumferential direction and are in one-to-one correspondence to form a spring bin, and the spring group is arranged in the spring bin; the damping ring is arranged between the steel sheet and the shaft sleeve plate, the clamping angles of the damping ring are circumferentially distributed on the damping ring, square holes are circumferentially arranged on the steel sheet, and the clamping angles of the damping ring and the square holes are correspondingly arranged in the square holes one by one; the damping disc spring seat and the damping disc spring are arranged between the cover plate and the shaft sleeve plate.
10. The centrifugal pendulum torque limiter damper of claim 9, wherein: the square hole on the steel sheet and the steel sheet clamping angle on the friction steel sheet are arranged in the square hole in a one-to-one correspondence mode, and the friction surface at the inner diameter of the steel sheet is attached to the friction sheet plane on one side of the first flexible sheet to form a fourth friction pair.
11. The centrifugal pendulum torque limiter damper of claim 9, wherein: the single-end flat pins are distributed in the circumferential direction and respectively penetrate through the single-end flat pin holes in the steel sheet and the cover plate to rivet and fix the inner diameter positions of the steel sheet and the cover plate.
CN202111499663.9A 2021-12-09 2021-12-09 Centrifugal pendulum torsion-limiting vibration absorber Pending CN114110086A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202111499663.9A CN114110086A (en) 2021-12-09 2021-12-09 Centrifugal pendulum torsion-limiting vibration absorber

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202111499663.9A CN114110086A (en) 2021-12-09 2021-12-09 Centrifugal pendulum torsion-limiting vibration absorber

Publications (1)

Publication Number Publication Date
CN114110086A true CN114110086A (en) 2022-03-01

Family

ID=80364046

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202111499663.9A Pending CN114110086A (en) 2021-12-09 2021-12-09 Centrifugal pendulum torsion-limiting vibration absorber

Country Status (1)

Country Link
CN (1) CN114110086A (en)

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