CN114623199A - Torsional vibration damper - Google Patents
Torsional vibration damper Download PDFInfo
- Publication number
- CN114623199A CN114623199A CN202210336994.9A CN202210336994A CN114623199A CN 114623199 A CN114623199 A CN 114623199A CN 202210336994 A CN202210336994 A CN 202210336994A CN 114623199 A CN114623199 A CN 114623199A
- Authority
- CN
- China
- Prior art keywords
- torsional vibration
- inertial body
- ring body
- installation connector
- vibration damper
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000009434 installation Methods 0.000 claims abstract description 33
- 238000013016 damping Methods 0.000 claims abstract description 29
- 239000007788 liquid Substances 0.000 claims abstract description 27
- 238000007789 sealing Methods 0.000 claims description 12
- 238000010521 absorption reaction Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000006096 absorbing agent Substances 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 2
- 230000005489 elastic deformation Effects 0.000 description 2
- 239000000945 filler Substances 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
Images
Classifications
-
- 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
- F16F15/22—Compensation of inertia forces
-
- 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
- F16F15/124—Elastomeric 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
- F16F15/16—Suppression of vibrations in rotating systems by making use of members moving with the system using a fluid or pasty material
- F16F15/161—Suppression of vibrations in rotating systems by making use of members moving with the system using a fluid or pasty material characterised by the fluid damping devices, e.g. passages, orifices
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Aviation & Aerospace Engineering (AREA)
- Mechanical Engineering (AREA)
- Vibration Prevention Devices (AREA)
Abstract
The invention discloses a torsional vibration damper, which comprises a circular ring-shaped inertial body, an installation connector and rubber damping blocks, wherein the installation connector is of a cylindrical structure, the installation connector is arranged in the circular ring-shaped inertial body and is coaxially arranged, at least two rubber damping blocks are arranged between the outer wall of the installation connector and the inner wall of the circular ring-shaped inertial body, the rubber damping blocks are fixedly connected with the installation connector and the circular ring-shaped inertial body, a cavity is formed in the circular ring-shaped inertial body, a filling port communicated with the cavity is formed in the outer wall of the circular ring-shaped inertial body, a plug is installed on the filling port, and liquid is filled in the cavity. The invention can adjust the limit value of the absorbed torsional vibration energy, thereby realizing the requirements on different torsional vibration damping and improving the universality.
Description
Technical Field
The invention relates to a damping device, in particular to a torsional damper for an automobile.
Background
In an internal combustion engine, the pressure of gas in a cylinder, the gravity of a crank link mechanism and the inertia force thereof generate periodically changing exciting vibration moments on a crankshaft, and the exciting vibration moments are vibration sources of torsional vibration of the crankshaft. Internal combustion engine crankshaft vibration is the primary source of excitation for engine structural and power plant vibration and noise.
The torsional vibration damper changes the natural vibration mode of the system, dissipates vibration energy, reduces the influence of torsional vibration on an engine and a power device and reduces noise by reducing certain-order natural frequency of a torsional system of the drive train. The existing torsional vibration damper absorbs torsional vibration energy and reduces torsional vibration through elastic deformation of a rubber damping block. When the rubber damping block is not changed, the larger the elastic deformation amount of the rubber damping block is, the more the absorbed torsional vibration energy is, the better the vibration damping effect is, and the more the energy consumed by the rubber damping block is converted into the heat energy is.
However, the existing torsional vibration damper has fixed inertia mass and fixed limit of absorbed torsional vibration energy, and cannot be simultaneously suitable for a plurality of different torsional vibration damping requirements.
Disclosure of Invention
The invention aims to provide a torsional vibration damper, which can be used for solving the defects in the prior art and adjusting the absorbed torsional vibration energy limit value, thereby meeting the requirements of damping different torsional vibrations and improving the universality.
The invention provides a torsional vibration damper, which comprises a circular inertial body, an installation connector and rubber damping blocks, wherein the installation connector is of a cylindrical structure, the installation connector is arranged in the circular inertial body and is coaxially arranged with the circular inertial body, at least two rubber damping blocks are arranged between the outer wall of the installation connector and the inner wall of the circular inertial body, the rubber damping blocks are fixedly connected with the installation connector and the circular inertial body, a cavity is formed in the circular inertial body, a filling port communicated with the cavity is formed in the outer wall of the circular inertial body, a plug is arranged on the filling port, and liquid is filled in the cavity.
In the aforementioned torsional damper, preferably, the annular inertial body includes an outer ring, an inner ring, a side plate and a sealing cover plate, the inner ring and the outer ring are coaxially disposed, the side plate is fixedly connected to one side of the outer ring and one side of the inner ring, the three are integrated, and the sealing cover plate is hermetically connected to the other side of the outer ring and the inner ring.
In the aforementioned torsional damper, preferably, a plurality of baffles are disposed on an inner wall of the outer ring body at equal intervals along a circumferential direction of the outer ring body, the baffles all extend in a radial direction of the outer ring body, and a gap is formed between an end of each baffle and the inner ring body.
In the above-described torsion damper, it is preferable that a communication hole is formed at one end of the baffle plate connected to the outer ring body.
In the above-described torsional vibration damper, a seal ring is preferably provided on the filler neck.
In the aforementioned torsional vibration damper, preferably, the number of the rubber damping blocks is three, and the three rubber damping blocks are arranged at equal intervals.
In the aforementioned torsional damper, preferably, a through hole is formed in the center of the mounting connector, and a plurality of mounting holes are formed in the mounting connector at equal intervals in the circumferential direction.
Compared with the prior art, the installation connecting body is of a cylindrical structure, the installation connecting body is arranged in the circular inertial body and is coaxially arranged, at least two rubber damping blocks are arranged between the outer wall of the installation connecting body and the inner wall of the circular inertial body, the rubber damping blocks are fixedly connected with the installation connecting body and the circular inertial body, a cavity is formed in the circular inertial body, a filling port communicated with the cavity is formed in the outer wall of the circular inertial body, a plug is installed on the filling port, and liquid is filled in the cavity. The annular inertial body with the cavity is arranged, liquid can be filled in the cavity, and the limit value of the torsional vibration energy absorption device can be adjusted by changing the amount and the viscosity of the filled liquid, so that the torsional vibration energy absorption device can be applied to different vehicle types and scenes, and the universality of the torsional vibration energy absorption device is greatly improved.
Drawings
FIG. 1 is an isometric view of the overall structure of the present invention;
FIG. 2 is a schematic view of the internal structure of the present invention;
FIG. 3 is a schematic view of a half-section of the present invention.
Description of reference numerals: the rubber damper comprises a circular inertial body 1, an installation connector 2, a rubber damper block 3, a cavity 4, a filling port 5, a plug 6, an outer ring body 7, an inner ring body 8, a side plate 9, a sealing cover plate 10, a communication hole 11, a through hole 12, an installation hole 13 and a baffle plate 14.
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.
The embodiment of the invention comprises the following steps: as shown in fig. 1-3, a torsional vibration damper includes a circular inertial body 1, an installation connector 2 and rubber damping blocks 3, the installation connector 2 is a cylindrical structure, the installation connector 2 is disposed in the circular inertial body 1, and the installation connector 2 and the circular inertial body are coaxially disposed and have the same thickness, at least two rubber damping blocks 3 are disposed between an outer wall of the installation connector 2 and an inner wall of the circular inertial body 1, the rubber damping blocks 3 are fixedly connected with the installation connector 2 and the circular inertial body 1 in a bonding or hot-melting manner, a cavity 4 is formed in the circular inertial body 1, a filling port 5 communicated with the cavity 4 is formed in the outer wall of the circular inertial body 1, a plug 6 is installed on the filling port 5, and the cavity 4 is filled with liquid.
The cavity 4 is preferably designed into a circular cavity, liquid can be added according to requirements through the arrangement of the cavity 4, and the limit value of the torsional vibration absorber for absorbing torsional vibration energy can be changed according to the quality of the added liquid and the viscosity of the liquid, so that the torsional vibration absorber is suitable for vehicle types of different models and different application scenes, and the universality is improved.
In a specific embodiment, the annular inertial body 1 specifically includes an outer ring 7, an inner ring 8, a side plate 9 and a sealing cover plate 10, the inner ring 8 and the outer ring 7 are coaxially arranged, the side plate 9 is fixedly connected with one side of the outer ring 7 and one side of the inner ring 8, the three are an integrated structure, and the sealing cover plate 10 is hermetically connected with the other side of the outer ring 7 and the inner ring 8.
The sealing cover plate 10 and the side plate 9 are arranged oppositely and parallel to each other, the outer ring body 7, the inner ring body 8, the side plate 9 and the sealing cover plate 10 are all made of metal materials, and four spaces enclosed by the outer ring body 7, the inner ring body 8, the side plate 9 and the sealing cover plate 10 form the cavity 4.
Furthermore, a plurality of baffles 14 are arranged on the inner wall of the outer ring body 7 at equal intervals along the circumferential direction, the baffles 14 all extend along the radial direction of the outer ring body 7, and a gap is formed between the end part of each baffle 14 and the inner ring body 8. The baffle plate 14 has a communication hole 11 formed at one end connected to the outer ring body 7.
The liquid injected through the arrangement of the baffle plate 14 and the communication hole 11 is pushed by the baffle plate 14, so that the rotating inertia mass of the whole annular inertia body 1 is increased, and more torsional vibration energy can be absorbed. Meanwhile, the liquid is used for inertia, the shape of the liquid is deformed, and the liquid can also absorb torsional vibration energy. And the arrangement of the communication holes 11 enables the liquid to be uniformly distributed at various positions.
In a preferred embodiment, the filler neck 5 is provided with a sealing ring. The number of the rubber damping blocks 3 is three, and the three rubber damping blocks 3 are arranged at equal intervals. A through hole 12 is formed in the center of the installation connector 2, and a plurality of installation holes 13 are formed in the installation connector 2 at equal intervals along the circumferential direction.
The working principle of the invention is as follows: under this product quiescent condition, under the effect of gravity, the liquid gathering of injection is in the lower part of cavity 4, begin to rotate as ring shape inertial body 1, the liquid of gathering in the cavity 4 lower part is under the promotion of baffle 14, it is rotatory around the rotation center of ring shape inertial body 1, simultaneously, liquid is under the effect of centrifugal force, liquid flows to the direction of the rotation center of keeping away from ring shape inertial body 1, it flows to two baffles 14 that the liquid is less through intercommunicating pore 11 to be close to that liquid is more between two baffles 14 simultaneously, when ring shape inertial body 1 rotates steadily a period, liquid evenly distributed between each two baffles 14, and the angular velocity of rotation of liquid is the same with the angular velocity of ring shape inertial body 1, whole torsional vibration damper is in the rotation dynamic balance. When the connecting body 2 is installed and torsional vibration is input, the injected liquid is pushed by the baffle plate 14, so that the integral rotating inertia mass of the annular inertial body 1 is increased, and more torsional vibration energy can be absorbed. Meanwhile, the liquid is used for inertia, the shape of the liquid is deformed, and the liquid can also absorb torsional vibration energy. When the product is horizontally installed, the principle is the same.
The present invention has been described in detail with reference to the embodiments shown in the drawings, and it is therefore intended that the present invention not be limited to the exact forms and details shown and described, but that various changes and modifications can be made without departing from the spirit and scope of the invention.
Claims (7)
1. A torsional vibration damper characterized in that: including ring form inertial body (1), installation connector (2) and rubber damping piece (3), installation connector (2) are cylindric structure, installation connector (2) are located in ring form inertial body (1), the two coaxial arrangement, the outer wall of installation connector (2) with be provided with two at least between the inner wall of ring form inertial body (1) rubber damping piece (3), rubber damping piece (3) with installation connector (2) with ring form inertial body (1) fixed connection, be formed with cavity (4) in ring form inertial body (1), seted up on the outer wall of ring form inertial body (1) with filling port (5) of cavity (4) intercommunication, install on filling port (5) shutoff (6), cavity (4) intussuseption are filled with liquid.
2. The torsional vibration damper of claim 1, wherein: the annular inertial body (1) comprises an outer ring body (7), an inner ring body (8), a side plate (9) and a sealing cover plate (10), wherein the inner ring body (8) and the outer ring body (7) are coaxially arranged, the side plate (9) is fixedly connected with one sides of the outer ring body (7) and the inner ring body (8) and is of an integrated structure, and the sealing cover plate (10) is hermetically connected with the other sides of the outer ring body (7) and the inner ring body (8).
3. The torsional vibration damper of claim 2, wherein: a plurality of baffle plates (14) are arranged on the inner wall of the outer ring body (7) at equal intervals along the circumferential direction of the inner wall, the baffle plates (14) extend along the radial direction of the outer ring body (7), and a gap is formed between the end part of each baffle plate (14) and the inner ring body (8).
4. The torsional vibration damper of claim 3, wherein: a communicating hole (11) is formed at one end of the baffle plate (14) connected with the outer ring body (7).
5. The torsional damper of any of claims 1-4, wherein: and a sealing ring is arranged on the filling port (5).
6. The torsional vibration damper of claim 5, wherein: the number of the rubber damping blocks (3) is three, and the three rubber damping blocks (3) are arranged at equal intervals.
7. The torsional vibration damper of claim 5, wherein: the center of the installation connector (2) is provided with a via hole (12), and a plurality of installation holes (13) are formed in the installation connector (2) at equal intervals along the circumferential direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210336994.9A CN114623199A (en) | 2022-03-31 | 2022-03-31 | Torsional vibration damper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210336994.9A CN114623199A (en) | 2022-03-31 | 2022-03-31 | Torsional vibration damper |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114623199A true CN114623199A (en) | 2022-06-14 |
Family
ID=81906772
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210336994.9A Pending CN114623199A (en) | 2022-03-31 | 2022-03-31 | Torsional vibration damper |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114623199A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115182965A (en) * | 2022-06-24 | 2022-10-14 | 山东交通学院 | Damping torsional vibration damper |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5514368A (en) * | 1978-07-19 | 1980-01-31 | Toshiba Corp | Liquid balancing device |
| JPS5899540U (en) * | 1981-12-25 | 1983-07-06 | 日野自動車株式会社 | dynamic damper |
| JPS6215641U (en) * | 1985-07-15 | 1987-01-30 | ||
| DE4328596A1 (en) * | 1993-08-25 | 1995-03-02 | Metzeler Gimetall Ag | Arrangement for damping vibrations on crankshafts |
| JPH1054444A (en) * | 1996-08-09 | 1998-02-24 | Komatsu Ltd | Viscous damper device for engine |
| JPH10318333A (en) * | 1997-05-19 | 1998-12-04 | Ricoh Co Ltd | Flywheel |
| CN2583440Y (en) * | 2002-04-23 | 2003-10-29 | 东风汽车公司 | Integrated silicone oil rubber damper |
| DE10350958A1 (en) * | 2003-10-30 | 2005-05-25 | Depp, Jürgen Christian, Dr. | Torsional vibration damper for damping torsional vibrations in an internal combustion engine comprises a boundary surface extending in a boundary region of the surface of a housing which is sealed with an elastomeric material |
| US20130312464A1 (en) * | 2012-05-22 | 2013-11-28 | General Electric Company | Balance ring with features to control fluid distribution |
| CN103727174A (en) * | 2014-01-03 | 2014-04-16 | 上汽通用五菱汽车股份有限公司 | Torsion damper |
| CN108138887A (en) * | 2015-10-07 | 2018-06-08 | 日本Tmt机械株式会社 | Liquid spring unit system |
-
2022
- 2022-03-31 CN CN202210336994.9A patent/CN114623199A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5514368A (en) * | 1978-07-19 | 1980-01-31 | Toshiba Corp | Liquid balancing device |
| JPS5899540U (en) * | 1981-12-25 | 1983-07-06 | 日野自動車株式会社 | dynamic damper |
| JPS6215641U (en) * | 1985-07-15 | 1987-01-30 | ||
| DE4328596A1 (en) * | 1993-08-25 | 1995-03-02 | Metzeler Gimetall Ag | Arrangement for damping vibrations on crankshafts |
| JPH1054444A (en) * | 1996-08-09 | 1998-02-24 | Komatsu Ltd | Viscous damper device for engine |
| JPH10318333A (en) * | 1997-05-19 | 1998-12-04 | Ricoh Co Ltd | Flywheel |
| CN2583440Y (en) * | 2002-04-23 | 2003-10-29 | 东风汽车公司 | Integrated silicone oil rubber damper |
| DE10350958A1 (en) * | 2003-10-30 | 2005-05-25 | Depp, Jürgen Christian, Dr. | Torsional vibration damper for damping torsional vibrations in an internal combustion engine comprises a boundary surface extending in a boundary region of the surface of a housing which is sealed with an elastomeric material |
| US20130312464A1 (en) * | 2012-05-22 | 2013-11-28 | General Electric Company | Balance ring with features to control fluid distribution |
| CN103727174A (en) * | 2014-01-03 | 2014-04-16 | 上汽通用五菱汽车股份有限公司 | Torsion damper |
| CN108138887A (en) * | 2015-10-07 | 2018-06-08 | 日本Tmt机械株式会社 | Liquid spring unit system |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115182965A (en) * | 2022-06-24 | 2022-10-14 | 山东交通学院 | Damping torsional vibration damper |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20220614 |