CN111412249A - Flywheel damper integrated with torque limiting device - Google Patents
Flywheel damper integrated with torque limiting device Download PDFInfo
- Publication number
- CN111412249A CN111412249A CN202010349511.XA CN202010349511A CN111412249A CN 111412249 A CN111412249 A CN 111412249A CN 202010349511 A CN202010349511 A CN 202010349511A CN 111412249 A CN111412249 A CN 111412249A
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- Prior art keywords
- vibration
- steel sheet
- spring
- absorbing
- main
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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
- 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
- F16F15/13407—Radially mounted springs
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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
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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
- F16F15/13114—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 modifications for auxiliary purposes, e.g. provision of a timing mark
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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
- F16F15/13157—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 with a kinematic mechanism or gear system, e.g. planetary
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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
- F16F2238/00—Type of springs or dampers
- F16F2238/02—Springs
Abstract
The invention discloses a flywheel damper integrated with a torque limiting device.A torque limiting main damper sub-assembly and a pre-damper sub-assembly form a radially distributed structure, and are connected through snap springs, so that the flywheel damper is convenient to disassemble quickly; the torsion limiting main vibration absorber subassembly is characterized in that friction plates are respectively installed on two sides of the outer diameter of a main vibration reduction steel sheet, flexible discs and pressure plates are arranged on two sides of each friction plate, a torsion limiting disc spring and a cover are arranged on the outer side of each pressure plate, the cover is fixed with the flexible discs, the axial space formed between the cover and the pressure plates is the compression stroke of the torsion limiting disc spring, and the torsion limiting disc spring compresses the friction plates through the pressure plates to achieve the torsion limiting function. The invention has the advantage that the problem of difficult disassembly of the flywheel damper after the action of the torque limiting device is solved through the quick disassembly type pre-damper subassembly.
Description
Technical Field
The invention relates to a flywheel shock absorber, in particular to a flywheel shock absorber integrated with a torque limiting device, which is applied to a hybrid electric vehicle power assembly system.
Background
The flywheel damper is mainly applied to an automobile power assembly system, is usually arranged on a part between an engine and a gearbox, and provides the functions of damping and reducing noise 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 generally, and due to the particularity of the power assembly structure of some hybrid electric vehicles, a clutch with a torque limiting function is not installed between the engine and a gearbox, a flywheel shock absorber must have a torque limiting function in the application, and due to the addition of the torque limiting function, a crankshaft bolt assembling hole can be dislocated due to the action of a torque limiting device, so that a crankshaft bolt cannot be detached quickly and conveniently. This is where the application needs to be focused on.
Disclosure of Invention
The invention aims to provide a flywheel damper integrated with a torque limiting device, which is quickly disassembled.
In order to solve the technical problems, the invention provides a flywheel damper integrated with a torque limiting device, wherein a torque limiting main damper sub-assembly and a pre-damper sub-assembly form a radially distributed structure, and the torque limiting main damper sub-assembly and the pre-damper sub-assembly are connected through a clamp spring and are convenient to disassemble quickly; the torsion limiting main vibration absorber subassembly is characterized in that friction plates are respectively installed on two sides of the outer diameter of a main vibration reduction steel sheet, flexible discs and pressure plates are arranged on two sides of each friction plate, a torsion limiting disc spring and a cover are arranged on the outer side of each pressure plate, the cover is fixed with the flexible discs, the axial space formed between the cover and the pressure plates is the compression stroke of the torsion limiting disc spring, and the torsion limiting disc spring compresses the friction plates through the pressure plates to achieve the torsion limiting function.
The turning angle arranged on the cover penetrates through the clamping groove of the flexible disk and is fixed with the flexible disk through turning.
The main vibration reduction steel sheet and the main vibration reduction cover plate are fixedly connected through flat pins, the spring assemblies are placed in a plurality of spring windows formed by the main vibration reduction steel sheet and the main vibration reduction cover plate, a shaft sleeve plate is placed between the main vibration reduction steel sheet and the main vibration reduction cover plate and plays a role of driving a spring, and a main vibration reduction damping ring, a damping disc spring and a disc spring seat are respectively arranged on two sides of the shaft sleeve plate.
The shaft sleeve plate is provided with a main vibration reduction driving groove and a pre-vibration reduction steel sheet clamping groove, and the main vibration reduction cover plate is provided with a clamp spring clamping groove.
The pre-vibration absorber subassembly comprises a spline, a pre-vibration-absorbing cover plate, a pre-vibration-absorbing steel sheet, a wave spring, a pre-vibration-absorbing damping ring and a pre-vibration-absorbing spring, wherein the pre-vibration-absorbing steel sheet is connected with the pre-vibration-absorbing cover plate, the pre-vibration-absorbing spring is placed in a plurality of spring windows formed by the pre-vibration-absorbing steel sheet and the pre-vibration-absorbing cover plate, the spline is arranged between the pre-vibration-absorbing steel sheet and the pre-vibration-absorbing cover plate and plays a role in driving the pre-vibration-absorbing spring and outputting torque.
A spline driving angle is arranged on the spline, and a pre-vibration-reduction steel sheet clamping angle is arranged on the pre-vibration-reduction steel sheet; when the torsion limiting main shock absorber sub-assembly and the pre-shock absorber sub-assembly are assembled, the spline driving angle is inserted into the main shock absorption driving groove, the clamping angle of the pre-shock absorption steel sheet is inserted into the clamping groove of the pre-shock absorption steel sheet, and the clamping spring is arranged in the clamping groove of the clamping spring to restrain and fix the two sub-assemblies.
The structure of the invention has the following excellent effects:
1) the flywheel damper is added with a part with a torsion limiting function, so that the flywheel damper has wider application in a hybrid power system;
2) the structure of the invention solves the problem that the flywheel damper is difficult to disassemble after the torque limiting device acts through the quick-disassembling pre-damper subassembly.
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. 2 is a schematic cross-sectional view of the assembly of the present invention;
FIG. 3 is a schematic view of a sub-assembly of the present invention;
description of the figures
1-a flexible disk; 2-covering;
3-pressing a plate; 4-torsion limiting disc spring;
5-friction plate; 6-main damping steel sheet;
7-flat pin;
8-shaft sleeve plate;
801-main damping drive groove; 802-pre-vibration damping steel sheet clamping groove;
9-a main vibration damping cover plate; 901-a snap spring clamping groove;
10-an outer spring;
11-an internal spring; 12-a primary damping ring;
13-damping disc spring; 14-disc spring seat;
15-splines; 1501-spline drive angle;
16-pre-damped cover plates;
17-pre-damping steel sheets; 1701-clamping angles of the pre-vibration-damping steel sheets;
18-a wave spring;
19-pre-damping ring; 20-a clamp spring;
21-pre-damper springs;
101-torsion limiting main vibration absorber sub-assembly; 102-pre-damper subassembly.
Detailed Description
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
FIG. 1 shows a schematic view of an assembly of the present invention; FIG. 2 shows a schematic cross-sectional view of an assembly of the present invention; figure 3 shows a schematic view of a sub-assembly of the present invention.
As shown in fig. 3, the flywheel damper integrated with the torque limiting device includes a torque limiting main damper subassembly 101 and a pre-damper subassembly 102, which are conveniently and quickly disassembled and assembled by a clamp spring 20.
As shown in fig. 1-2, the torsion-limiting main damper subassembly 101 implements a torsion-limiting function and a main damper function, wherein: the part for realizing the torsion limiting function comprises a flexible disc 1, a cover 2, a pressure disc 3, a torsion limiting disc spring 4 and a friction plate 5, and the part for realizing the main vibration damping function comprises a main vibration damping steel sheet 6, a flat pin 7, a shaft sleeve plate 8, a main vibration damping cover plate 9, an outer spring 10, an inner spring 11, a main vibration damping ring 12, a damping disc spring 13 and a disc spring seat 14.
The main vibration reduction steel sheet 6 and the main vibration reduction cover plate 9 are fixedly connected through a flat pin 7, spring assemblies formed by installing inner springs 11 in the centers of outer springs 10 are placed in a plurality of spring windows formed by the main vibration reduction steel sheet 6 and the main vibration reduction cover plate 9, the number of the spring windows is more than 2, the shaft sleeve plate 8 is placed between the main vibration reduction steel sheet 6 and the main vibration reduction cover plate 9 to play a role of driving the springs, and a main vibration reduction damping ring 12, a damping disc spring 13 and a disc spring seat 14 are respectively arranged on two sides of the shaft sleeve plate.
Realize that the part of limit torsion function is based on installing on realizing the part of main damping function, in the external diameter department of main damping steel sheet 6, friction disc 5 is installed respectively through riveting or pasting the mode in its both sides, and flexbile disk 1 and pressure disk 3 are arranged to 5 both sides of friction disc, and the multiunit draw-in groove of laying in external diameter department of flexbile disk 1 lays the multiunit card angle on the pressure disk 3 corresponding position, and multiunit card angle one-to-one imbeds in the multiunit draw-in groove of flexbile disk 1, makes flexbile disk 1 and pressure disk unable relative rotation. The torsion-limiting disc spring 4 and the cover 2 are arranged on the outer side of the pressure plate 3, a turning angle arranged on the cover 2 penetrates through a clamping groove of the flexible disc 1 and is fixed with the flexible disc 1 through turning, an axial space formed between the cover 2 and the pressure plate 3 is a compression stroke of the torsion-limiting disc spring 4, and the torsion-limiting disc spring 4 compresses the friction plate 5 through the pressure plate 3 to play a torsion-limiting function.
The pre-vibration damper subassembly 102 comprises a spline 15, a pre-vibration damper cover plate 16, a pre-vibration damper steel sheet 17, a wave spring 18, a pre-vibration damper damping ring 19 and a pre-vibration damper spring 21, wherein the pre-vibration damper steel sheet 17 and the pre-vibration damper cover plate 16 are fixed through welding or riveting, the pre-vibration damper spring 21 is placed in a plurality of spring windows formed by the pre-vibration damper steel sheet 17 and the pre-vibration damper cover plate 16, and the number of the windows is more than 2; the spline 15 is placed between the pre-vibration damping steel sheet 17 and the pre-vibration damping cover plate 16, and plays a role in driving the pre-vibration damping spring 21 and outputting torque, and the pre-vibration damping ring 19 and the wave spring 18 are respectively arranged on two sides of the spline 15.
As shown in fig. 3, the pre-damper subassembly 102 has a plurality of spline drive angles 1501 disposed on the splines 15 and a plurality of pre-damper steel plate slip angles 1701 disposed on the pre-damper steel plates 17. The shaft sleeve plate 8 of the torque-limiting main vibration absorber subassembly 101 is provided with a corresponding number of main vibration-damping driving grooves 801 and pre-vibration-damping steel sheet clamping grooves 802, and the main vibration-damping cover plate 9 is provided with a clamp spring clamping groove 901.
When the two sub-assemblies are assembled, the pre-vibration-reduction steel sheet clamping angle 1701 is arranged in the pre-vibration-reduction steel sheet clamping groove 802, the spline driving angle 1501 is arranged in the main vibration-reduction driving groove 801, the two sub-assemblies form a radial distribution structure after the two sub-assemblies are assembled in place, and then the clamp spring 20 is arranged in the clamp spring clamping groove 901 to restrain and fix the two sub-assemblies.
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 (6)
1. A flywheel damper integrated with a torque limiting device is characterized in that: the torsion limiting main shock absorber subassembly and the pre-shock absorber subassembly form a radially distributed structure, and are connected through a clamp spring; the torsion limiting main vibration absorber subassembly is characterized in that friction plates are respectively installed on two sides of the outer diameter of a main vibration reduction steel sheet, flexible discs and pressure plates are arranged on two sides of each friction plate, a torsion limiting disc spring and a cover are arranged on the outer side of each pressure plate, the cover is fixed with the flexible discs, the axial space formed by the cover and the pressure plates is the compression stroke of the torsion limiting disc spring, and the torsion limiting disc spring compresses the friction plates through the pressure plates to achieve the torsion limiting function.
2. The flywheel damper integrated with a torque limiter according to claim 1, wherein: the turning angle arranged on the cover penetrates through the clamping groove of the flexible disk and is fixed with the flexible disk through turning.
3. The flywheel damper integrated with a torque limiter according to claim 1, wherein: the main vibration reduction steel sheet and the main vibration reduction cover plate are fixedly connected through flat pins, the spring assemblies are placed in a plurality of spring windows formed by the main vibration reduction steel sheet and the main vibration reduction cover plate, a shaft sleeve plate is placed between the main vibration reduction steel sheet and the main vibration reduction cover plate, and a main vibration reduction damping ring, a damping disc spring and a disc spring seat are respectively arranged on two sides of the shaft sleeve plate.
4. The flywheel damper integrated with a torque limiter according to claim 3, wherein: the shaft sleeve plate is provided with a main vibration reduction driving groove and a pre-vibration reduction steel sheet clamping groove, and the main vibration reduction cover plate is provided with a clamp spring clamping groove.
5. The flywheel damper integrated with a torque limiter according to claim 1, wherein: the pre-vibration absorber subassembly comprises a spline, a pre-vibration-absorbing cover plate, a pre-vibration-absorbing steel sheet, a wave spring, a pre-vibration-absorbing damping ring and a pre-vibration-absorbing spring, wherein the pre-vibration-absorbing steel sheet is connected with the pre-vibration-absorbing cover plate, the pre-vibration-absorbing spring is placed in a plurality of spring windows formed by the pre-vibration-absorbing steel sheet and the pre-vibration-absorbing cover plate, the spline is arranged between the pre-vibration-absorbing steel sheet and the pre-vibration-absorbing cover plate, and the pre-.
6. The flywheel damper integrated with a torque limiter according to claim 5, wherein: a spline driving angle is arranged on the spline and is inserted into the main vibration reduction driving groove; and the pre-vibration-reduction steel sheet is provided with a pre-vibration-reduction steel sheet clamping angle, and the pre-vibration-reduction steel sheet clamping angle is inserted into the pre-vibration-reduction steel sheet clamping groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010349511.XA CN111412249A (en) | 2020-04-28 | 2020-04-28 | Flywheel damper integrated with torque limiting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010349511.XA CN111412249A (en) | 2020-04-28 | 2020-04-28 | Flywheel damper integrated with torque limiting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111412249A true CN111412249A (en) | 2020-07-14 |
Family
ID=71490223
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010349511.XA Pending CN111412249A (en) | 2020-04-28 | 2020-04-28 | Flywheel damper integrated with torque limiting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111412249A (en) |
-
2020
- 2020-04-28 CN CN202010349511.XA patent/CN111412249A/en active Pending
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