CN112013036A - Automobile torsional vibration damping device - Google Patents
Automobile torsional vibration damping device Download PDFInfo
- Publication number
- CN112013036A CN112013036A CN202010928014.5A CN202010928014A CN112013036A CN 112013036 A CN112013036 A CN 112013036A CN 202010928014 A CN202010928014 A CN 202010928014A CN 112013036 A CN112013036 A CN 112013036A
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- Prior art keywords
- damping
- fixedly connected
- wall
- vibration
- guide rod
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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
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D13/00—Friction clutches
- F16D13/58—Details
- F16D13/60—Clutching elements
- F16D13/64—Clutch-plates; Clutch-lamellae
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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
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D13/00—Friction clutches
- F16D13/58—Details
- F16D13/60—Clutching elements
- F16D13/64—Clutch-plates; Clutch-lamellae
- F16D13/644—Hub construction
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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
- F16F15/121—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 using springs as elastic members, e.g. metallic springs
- F16F15/123—Wound springs
- F16F15/12306—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
- F16F15/121—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 using springs as elastic members, e.g. metallic springs
- F16F15/123—Wound springs
- F16F15/1232—Wound springs characterised by the spring mounting
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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
- F16F15/121—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 using springs as elastic members, e.g. metallic springs
- F16F15/123—Wound springs
- F16F15/12353—Combinations of dampers, e.g. with multiple plates, multiple spring sets, i.e. complex configurations
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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
- F16F15/16—Suppression of vibrations in rotating systems by making use of members moving with the system using a fluid or pasty material
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Aviation & Aerospace Engineering (AREA)
- Mechanical Operated Clutches (AREA)
Abstract
The invention discloses an automobile torsional vibration reduction device in the technical field of automobiles, which comprises a vibration absorber, wherein the vibration absorber comprises two groups of bases, a vibration reduction spring is fixedly connected between the bases, a guide rod is fixedly connected to the inner side wall of each base, a vibration reduction barrel is sleeved on the outer wall of each guide rod, an inner bottom ring is fixedly connected to the side wall of a driven disc hub, an upper surrounding edge is fixedly connected to the side wall of the driven disc hub, the outer wall of the inner bottom ring is rotatably connected with a buffer ring, a vibration reduction plectrum is fixedly connected to the side wall of the inner bottom ring, a buffer arc ring is fixedly connected to the outer wall of the buffer ring, the vibration reduction plectrum is positioned in the buffer arc ring and matched with the. The damping spring and the hydraulic buffer double damping of the damping cylinder are better in damping when being matched, are not easy to damage or cause problems, can obtain relatively smooth rotation motion of the crankshaft, are beneficial to prolonging the service life of the device, avoid influencing power output and improve the comfort level.
Description
Technical Field
The invention relates to the technical field of automobiles, in particular to an automobile torsional vibration reduction device.
Background
The crankshaft torsional vibration damper assembly has the functions of transmitting the crankshaft torque to components such as a water pump, a hydraulic pump, a generator and the like through a belt and driving the components to work, and simultaneously reducing the torsional vibration of a crankshaft system through the vibration damping function, reducing the harm of the torsional vibration of the crankshaft to an engine and reducing the vibration and noise of the whole vehicle. When an automobile engine works, the magnitude and the direction of force acting on a crankshaft are periodically changed, and the crankshaft can generate torsional vibration due to the swing of a flywheel with large moment of inertia; such torsional vibrations can greatly affect the ride comfort of the vehicle and even the overall power output and driveline operation.
The existing torsion damper mainly comprises an elastic element, a damping element and the like, wherein a spring element is used for reducing the torsional rigidity of the head end of a transmission system, so that certain order natural frequency of the torsion system of the transmission system is reduced, and the natural vibration mode of the system is changed, so that excitation caused by excitation of the main harmonic quantity of the torque of an engine can be avoided; the damping element is used for effectively dissipating vibration energy; the torsional vibration damper (as shown in Dongfeng EQ1090E type automobile clutch driven disc) generally includes driven disc, driven disc hub and damper disc, the driven disc, driven disc hub and damper disc have damping slot correspondingly, the damping slot installs the damper, when the driven disc works, the friction torque that the friction disc receives of both sides is transmitted to the driven disc body and damper disc at first, and then transmitted to the driven disc hub through several damper springs, at this moment the spring is compressed, because of the cushioning effect of the damper spring, the impact that the drive system receives is greatly reduced, the torsional vibration in the drive system can make the driven disc hub swing reciprocally relative to the driven disc body and damper disc, consume the energy of the torsional vibration by the friction of the damping sheet clamped between them, make the torsional vibration attenuate rapidly, reduce the alternating stress that the drive system receives.
However, the conventional torsional damper only damps vibration by a single spring structure, and the damping effect is insufficient, so that the current use requirement cannot be met, and after the torsional damper is used for a long time, the spring is easy to fatigue and damage, so that the service life of the device is shortened.
Based on the above, the invention provides an automobile torsional vibration damping device to solve the above problems.
Disclosure of Invention
The invention aims to provide an automobile torsional vibration reduction device, which aims to improve the vibration reduction effect and prolong the service life of the device.
In order to achieve the purpose, the invention provides the following technical scheme:
an automobile torsional vibration damping device comprises a driven plate, a driven plate hub and a vibration damper disc, wherein vibration damping grooves are correspondingly formed in the driven plate, the driven plate hub and the vibration damper disc, the vibration reduction groove is internally provided with a vibration reducer which comprises two groups of bases, a vibration reduction spring is fixedly connected between the bases, the inner side wall of the base is fixedly connected with a guide rod, the outer wall of the guide rod is sleeved with a vibration reduction cylinder, the side wall of the driven plate is fixedly connected with an inner bottom ring, the side wall of the driven disc hub is fixedly connected with an upper surrounding edge, the outer wall of the inner bottom ring is rotatably connected with a buffer ring, the side wall of the inner bottom ring is fixedly connected with a vibration reduction shifting sheet, the outer wall of the buffer ring is fixedly connected with a buffer arc ring, the damping plectrum is located buffering arc and cooperates with it, go up surrounding edge inner wall fixedly connected with and cross oily dog, buffering arc lateral wall fixedly connected with varistor guide pole.
Preferably, friction plates are fixedly mounted on two sides of the driven disc, and the driven disc and the damper disc are mounted on the outer wall of the hub of the driven disc.
Preferably, the end part of the guide rod is fixedly connected with a vibration damping piston, the vibration damping piston is positioned in a vibration damping cylinder and is in sliding fit with the vibration damping cylinder, damping liquid is filled in the vibration damping cylinder, and a plurality of through holes are formed in the middle of the vibration damping piston.
Preferably, the upper surrounding edge and the inner bottom ring side wall are both fixedly connected with sealing ring gaskets.
Preferably, the oil passing stop block is positioned on the outer wall of the buffer ring, an oil passing hole is formed in the middle of the oil passing stop block, and damping liquid is filled between the buffer arc ring and the upper surrounding edge.
Preferably, the outer wall of the variable resistance guide rod is connected with a variable resistance plug in a sliding mode, the outer wall of the variable resistance plug is provided with an oil groove, the side wall of the variable resistance guide rod is fixedly connected with a chassis, and a compensation spring is fixedly connected between the chassis and the variable resistance plug.
Compared with the prior art, the invention has the beneficial effects that:
1. when the crankshaft of the invention is in torsional vibration, the crankshaft acts on the vibration damper, the vibration damping spring is compressed to absorb vibration by extruding the base to move in the vibration damping groove, and meanwhile, when the base is compressed, damping liquid between the two vibration damping pistons flows to the two sides of the vibration damping piston through the through hole to absorb vibration.
2. Torsional vibration still can remove in the buffering arc through the damping plectrum of interior foundation ring, it rotates to drive the buffering circle, thereby make the space between buffering arc and the oily dog of crossing that corresponds one side diminish, the variable resistance guide arm gets into the oilhole of crossing of oily dog, the variable resistance end cap will slowly cross the oilhole and plug, the slow grow of damping this moment, stop completely when the variable resistance end cap, damping liquid can only pass through from crossing the oil groove, the damping is the biggest this moment, reduce great amplitude, obtain comparatively mild bent axle rotary motion, and the damping process is comparatively mild, be favorable to extension fixture life, avoid influencing power output, and the comfort level is improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic front view of the present invention;
FIG. 2 is a schematic side view of a semi-sectional structure of the present invention;
FIG. 3 is a front view of a semi-sectional configuration of the present invention;
fig. 4 is a schematic view of the varistor guide bar of the present invention.
In the drawings, the components represented by the respective reference numerals are listed below:
1-driven plate, 2-driven plate hub, 3-vibration damper plate, 4-vibration damping groove, 5-vibration damper, 6-base, 7-guide rod, 8-vibration damping cylinder, 9-inner bottom ring, 10-upper surrounding edge, 11-buffer ring, 12-vibration damping plectrum, 13-buffer arc ring, 14-oil passing stopper, 15-variable resistance guide rod, 16-vibration damping piston, 17-oil passing hole, 18-variable resistance plug, 19-oil passing groove and 20-compensation spring.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides a technical solution:
the utility model provides an automobile torsional vibration subducts device, includes driven plate 1, driven plate hub 2 and shock absorber dish 3, corresponds among driven plate 1, driven plate hub 2 and the shock absorber dish 3 and opens and all seted up damping groove 4, installs shock absorber 5 in the damping groove 4. The vibration damping groove 4 is an arc-shaped groove structure, and is the same as the prior art. The center of the driven disk hub 2 is provided with a shaft hole matched with the crankshaft.
The vibration absorber 5 comprises two groups of bases 6, the two bases 6 are symmetrically arranged, a vibration absorbing spring is fixedly connected between the two bases 6, the inner side wall of each base 6 is fixedly connected with a guide rod 7, each guide rod 7 is an arc-shaped rod, and the outer walls of the two guide rods 7 in the same vibration absorbing groove 4 are sleeved with the same vibration absorbing cylinder 8; bottom circle 9 in driven plate 1 lateral wall fixedly connected with, driven plate hub 2 lateral wall fixedly connected with go up surrounding edge 10, and interior bottom circle 9 outer wall rotates and is connected with buffering circle 11, and interior bottom circle 9 lateral wall fixedly connected with damping plectrum 12, 11 outer wall fixedly connected with buffering arc circles 13 of buffering circle, and damping plectrum 12 is located buffering arc circles 13 and cooperates with it, goes up 10 inner wall fixedly connected with of surrounding edge and crosses oily dog 14, and 13 lateral wall fixedly connected with varistor guide arms 15 of buffering arc circles. The guide bar 7 and the base 6 may be integrally formed.
Wherein, driven plate 1 both sides fixed mounting has the friction disc, and driven plate 1, shock absorber dish 3 are all installed at driven plate hub 2 outer wall. The end part (the end far away from the base 6) of the guide rod 7 is fixedly connected with a damping piston 16, and the guide rod 7 and the damping piston 16 form an approximate T-shaped structure; the damping piston 16 is located in the damping cylinder 8 and slidably engages therewith, and at this time, the guide rod 7 is sealingly connected to and slidably engages with the end opening of the damping cylinder 8, and the guide rod 7 functions as a piston rod. Damping fluid (for example, silicone oil) is filled in the damping cylinder 8, a plurality of through holes are formed in the middle of the damping piston 16, and the through holes can be uniformly distributed in a circular shape.
The side walls of the upper surrounding edge 10 and the inner bottom ring 9 are fixedly connected with sealing ring gaskets. The oil passing stop block 14 is positioned on the outer wall of the buffer ring 11, the oil passing hole 17 is formed in the middle of the oil passing stop block 14, and damping liquid is filled between the buffer arc ring 13 and the upper surrounding edge 10. The outer wall of the variable resistance guide rod 15 is connected with a variable resistance plug 18 in a sliding mode, the outer wall of the variable resistance plug 18 is provided with an oil passing groove 19, the side wall of the variable resistance guide rod 15 is fixedly connected with a base plate, and a compensating spring 20 is fixedly connected between the base plate and the variable resistance plug 18.
One specific application of this embodiment is:
the driven disc hub 2 is arranged on the crankshaft in an interference fit mode through key connection, when the crankshaft vibrates in a torsional mode, the driven disc hub acts on the shock absorber 5, the base 6 is extruded to move in the shock absorption groove 4, the shock absorption springs are compressed, vibration is absorbed, meanwhile, when the base 6 is compressed, the shock absorption pistons 16 at the end portions of the guide rods 7 slide in the shock absorption cylinders 8, damping liquid between the two shock absorption pistons 16 flows to the two sides of the shock absorption pistons through the through holes, therefore, a part of vibration is absorbed, the shock absorption springs and the shock absorption cylinders 8 are used for buffering double shock absorption, fatigue and the like caused by long-time use of the springs are avoided, and the driven disc hub and the shock.
The torsional vibration can also move in the buffer arc ring 13 through the vibration reduction plectrum 12 of the inner bottom ring 9, when reaching the side edge of the buffer arc ring 13, the buffer ring 11 is driven to rotate, so that the space between the buffer arc ring 13 and the corresponding oil passing stopper 14 becomes smaller, and when the amplitude is larger, the variable resistance guide rod 15 continuously approaches and enters the oil passing hole 17 of the oil passing stopper 14, the variable resistance plug 18 slowly plugs the oil passing hole 17, the damping is gradually increased, when the variable-resistance plug 18 is completely plugged, the damping fluid can only pass through the oil passing groove 19, the damping is maximum at the moment, if the variable-resistance plug 18 rotates continuously, the additional damping amplitude is obtained by moving the variable-resistance plug 18 backwards to compress the supplementary spring 20, thereby reduce great amplitude, obtain comparatively mild bent axle rotary motion, and the damping process is comparatively mild, is favorable to extension fixture life, avoids influencing power take off, improves the comfort level.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (6)
1. The utility model provides an automobile torsional vibration subducts device, includes driven plate (1), driven plate hub (2) and shock absorber dish (3), corresponds in driven plate (1), driven plate hub (2) and shock absorber dish (3) and has seted up damping groove (4), install shock absorber (5), its characterized in that in damping groove (4):
the vibration absorber (5) comprises two groups of bases (6), a vibration absorbing spring is fixedly connected between the bases (6), a guide rod (7) is fixedly connected to the inner side wall of each base (6), and a vibration absorbing cylinder (8) is sleeved on the outer wall of each guide rod (7);
bottom circle (9) in driven plate (1) lateral wall fixedly connected with, surrounding edge (10) on driven plate hub (2) lateral wall fixedly connected with, interior bottom circle (9) outer wall rotates and is connected with buffering circle (11), interior bottom circle (9) lateral wall fixedly connected with damping plectrum (12), buffering circle (11) outer wall fixedly connected with buffering arc circle (13), damping plectrum (12) are located buffering arc circle (13) and cooperate with it, go up surrounding edge (10) inner wall fixedly connected with mistake oil dog (14), buffering arc circle (13) lateral wall fixedly connected with varistor guide arm (15).
2. The apparatus for damping torsional vibration of an automobile according to claim 1, wherein: the friction plates are fixedly mounted on two sides of the driven plate (1), and the driven plate (1) and the shock absorber plate (3) are mounted on the outer wall of the driven plate hub (2).
3. The apparatus for damping torsional vibration of an automobile according to claim 1, wherein: the damping piston (16) is fixedly connected to the end of the guide rod (7), the damping piston (16) is located in the damping cylinder (8) and is in sliding fit with the damping cylinder, damping liquid is filled in the damping cylinder (8), and a plurality of through holes are formed in the middle of the damping piston (16).
4. An apparatus for damping torsional vibrations of an automobile according to claim 2, wherein: and the side walls of the upper surrounding edge (10) and the inner bottom ring (9) are fixedly connected with sealing ring gaskets.
5. An apparatus for damping torsional vibrations of an automobile according to claim 3, wherein: the oil passing stop block (14) is positioned on the outer wall of the buffer ring (11), an oil passing hole (17) is formed in the middle of the oil passing stop block (14), and damping liquid is filled between the buffer arc ring (13) and the upper surrounding edge (10).
6. The apparatus according to claim 4, wherein: the variable-resistance guide rod is characterized in that a variable-resistance plug (18) is connected to the outer wall of the variable-resistance guide rod (15) in a sliding mode, an oil groove (19) is formed in the outer wall of the variable-resistance plug (18), a base plate is fixedly connected to the side wall of the variable-resistance guide rod (15), and a compensation spring (20) is fixedly connected between the base plate and the variable-resistance plug (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010928014.5A CN112013036A (en) | 2020-09-07 | 2020-09-07 | Automobile torsional vibration damping device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010928014.5A CN112013036A (en) | 2020-09-07 | 2020-09-07 | Automobile torsional vibration damping device |
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| Publication Number | Publication Date |
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| CN112013036A true CN112013036A (en) | 2020-12-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010928014.5A Pending CN112013036A (en) | 2020-09-07 | 2020-09-07 | Automobile torsional vibration damping device |
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| CN (1) | CN112013036A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113036983A (en) * | 2021-03-16 | 2021-06-25 | 岭南师范学院 | Brushless DC motor |
| CN113847359A (en) * | 2021-12-01 | 2021-12-28 | 浙江铁流离合器股份有限公司 | Expansion corner vibration damper for clutch driven disc |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113036983A (en) * | 2021-03-16 | 2021-06-25 | 岭南师范学院 | Brushless DC motor |
| CN113847359A (en) * | 2021-12-01 | 2021-12-28 | 浙江铁流离合器股份有限公司 | Expansion corner vibration damper for clutch driven disc |
| CN113847359B (en) * | 2021-12-01 | 2022-02-22 | 浙江铁流离合器股份有限公司 | Expansion corner vibration damper for clutch driven disc |
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Application publication date: 20201201 |
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