CN108730407A - A kind of damp type crankshaft tortional vibration damper assembly - Google Patents
A kind of damp type crankshaft tortional vibration damper assembly Download PDFInfo
- Publication number
- CN108730407A CN108730407A CN201810547631.3A CN201810547631A CN108730407A CN 108730407 A CN108730407 A CN 108730407A CN 201810547631 A CN201810547631 A CN 201810547631A CN 108730407 A CN108730407 A CN 108730407A
- Authority
- CN
- China
- Prior art keywords
- wheel hub
- vibration damper
- arc groove
- bearing cap
- damper assembly
- 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
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
- F16F15/10—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
- F16F15/129—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 characterised by friction-damping means
- F16F15/1295—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 characterised by friction-damping means characterised by means for interconnecting driven plates and retainer, cover plates
-
- 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
- F16H—GEARING
- F16H55/00—Elements with teeth or friction surfaces for conveying motion; Worms, pulleys or sheaves for gearing mechanisms
- F16H55/32—Friction members
- F16H55/36—Pulleys
- F16H55/46—Split pulleys
-
- 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
- F16F2232/00—Nature of movement
- F16F2232/02—Rotary
-
- 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
- F16H—GEARING
- F16H55/00—Elements with teeth or friction surfaces for conveying motion; Worms, pulleys or sheaves for gearing mechanisms
- F16H55/32—Friction members
- F16H55/36—Pulleys
- F16H2055/366—Pulleys with means providing resilience or vibration damping
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Aviation & Aerospace Engineering (AREA)
- Pulleys (AREA)
Abstract
The present invention relates to a kind of damp type crankshaft tortional vibration damper assemblies, include the damping ring of belt pulley, the wheel hub on the inside of the belt pulley, press fitting between the belt pulley and wheel hub, it is characterized in that：Further include with the wheel hub cooperation and can relative to the oil sealing axle journal of hub rotation certain angle, for the bearing cap of the oil sealing axle journal axial limiting.It can effectively weaken or cross high-amplitude vibration when resonance, improve the rotating speed inhomogeneities of motor front-end wheel system, improve the service life of motor front-end wheel system and the NVH performances of vehicle；It connects reliable, easy for installation.
Description
Technical field
The present invention relates to engine crankshaft transmission systems, and in particular to a kind of damp type crankshaft tortional vibration damper assembly.
Background technology
For automobile in engine operation process, the explosion pressure of cylinder periodically is transferred to bent axle by connecting rod.Effect
The size and Orientation of power on bent axle is all periodically variable, and flywheel generates swing since own rotation inertia is larger,
Therefore bent axle can generate twisting vibration, this vibration can largely effect on the NVH performances of vehicle and entire power output, influence simultaneously
The operation of transmission system and service life；The effect of crankshaft tortional vibration damper assembly is exactly that crank torque is transmitted water supply by belt
Its work of the accessory drives such as pump, hydraulic pump, generator, while weakening the twisting vibration of bent axle, crankshaft torsional vibrations are reduced to engine
The vibration and noise of the harm and reduction vehicle that bring.
As technology develops, the torsional vibration damper of crankshaft end has been widely used on engine.It is now most widely used
Crankshaft tortional vibration damper assembly be made of wheel hub, damping ring, belt pulley three parts, although song can be weakened to a certain extent
The twisting vibration of axis, but pair the vibration of caused high-amplitude is inevitable under resonance speed with flywheel or transmission system, because
This belt pulley exports the uniformity of rotating speed you can't get guarantee, and the inhomogeneities of rotating speed can greatly reduce belt and train longevity
Life, can cause motor front-end wheel system abnormal sound when serious.Therefore, there is an urgent need for a kind of crankshaft tortional vibration damper assemblies effectively to drop now
Low vibration and the rotating speed inhomogeneities for improving motor front-end wheel system.
Invention content
The object of the present invention is to provide a kind of damp type crankshaft tortional vibration damper assembly, it can effectively weaken or cross altogether
High-amplitude vibration when shaking, improves the rotating speed inhomogeneities of motor front-end wheel system, improves the service life of motor front-end wheel system
With the NVH performances of vehicle；It connects reliable, easy for installation.
A kind of damp type crankshaft tortional vibration damper assembly of the present invention, including belt pulley, be located at the belt pulley on the inside of
Wheel hub, damping ring of the press fitting between the belt pulley and wheel hub, it is characterized in that：Further include with the wheel hub cooperation and can
Relative to the oil sealing axle journal of hub rotation certain angle, for the bearing cap of the oil sealing axle journal axial limiting.
Further, the wheel hub is equipped with multiple arcs slot, the one end outside of the oil sealing axle journal close to the position of inside
Face is equipped with the multiple and one-to-one arc boss of the arc groove, and the radian of the arc groove is more than the arc boss
Radian.
Further, two sides of each arc groove are equipped with bolster.
Further, the arc groove is distributed on the position close to inside before the wheel hub, and each arc groove
Bottom surface is same plane.
Further, the axial gap of the arc boss and bearing cap and it is less than 1 milli with the sum of the gap of arc groove bottom
Rice.
Further, the position on the wheel hub between the two neighboring arc groove is equipped with bearing cap mounting hole, institute
It states bearing cap and is equipped with multiple mounting pins for corresponding cooperation with the bearing cap mounting hole, the mounting pin and the bearing
Lid mounting hole is interference fitted.
The beneficial technique effect of the present invention：
Since wheel hub can turn an angle relative to oil sealing axle journal, high-amplitude when effectively weakening or having crossed resonance vibrates,
The rotating speed inhomogeneities for improving motor front-end wheel system, improves the service life of motor front-end wheel system and the NVH of vehicle
Performance；Since two sides of arc groove are equipped with bolster, cushioning effect is played, it is significantly more efficient to reduce vibration；By
It is less than 1 millimeter in the axial gap of arc boss and bearing cap and with the sum of the gap of arc groove bottom, ensure that wheel hub is opposite
It is freely rotated in oil sealing axle journal, and alleviates friction and damage；Due to mounting pin and the bearing cap mounting hole interference on bearing cap
Cooperation, plays the role of axial limiting to oil sealing axle journal, it is therefore prevented that oil sealing axle journal is deviate from, and ensures that connection is reliable.
Description of the drawings
Fig. 1 is the structural schematic diagram of the present invention；
Fig. 2 is the sectional view of Fig. 1；
Fig. 3 is the structural schematic diagram of wheel hub；
Fig. 4 is the structural schematic diagram of oil sealing axle journal；
Fig. 5 is the structural schematic diagram of bearing cap.
In figure：1- belt pulleys, 2- damping rings, 3- wheel hubs, 4- oil sealing axle journals, 5- bearing caps；
31- arc grooves, 32- bolsters, 33- bearing cap mounting holes；
41- arc boss；
51- mounting pins.
Specific implementation mode
It elaborates to the present invention below in conjunction with drawings and examples.
Referring to a kind of Fig. 1 to damp type crankshaft tortional vibration damper assembly shown in fig. 5, including belt pulley 1, it is located at the belt
Damping ring 2 of the wheel hub 3, press fitting of 1 inside of wheel between the belt pulley 1 and wheel hub 3, it is characterized in that：Further include and the wheel
Hub 3 coordinate and can relative to the oil sealing axle journal 4 that wheel hub 3 turns an angle, for the bearing of 4 axial limiting of oil sealing axle journal
Lid 5.When engine flywheel or transmission system will cause crankshaft tortional vibration damper high-amplitude to vibrate under resonance speed, wheel hub 3
It can turn an angle relative to oil sealing axle journal 4, high-amplitude when can effectively weaken or cross resonance vibrates, and improves engine
The rotating speed inhomogeneities of front end wheel train, improves the service life of motor front-end wheel system.
The wheel hub 3 is equipped with multiple arcs slot 31 close to the position of inside, on the one end lateral surface of the oil sealing axle journal 4
Equipped with multiple and 31 one-to-one arc boss 41 of the arc groove, the radian of the arc groove 31 is more than the arc boss
41 radian.Diameter of a circle where 41 outer surface of arc boss is slightly smaller than diameter of a circle where 31 cambered surface of arc groove.Arc on wheel hub 3
The difference of the radian of arc boss 41 can be according to starting specific torsional oscillation parameter to be set on the radian and oil sealing axle journal 4 of shape slot 31
It is fixed.
Two sides of each arc groove 31 are equipped with bolster 32.The material of bolster 32 is rubber, by viscous
It connects or the mode that vulcanizes is fixed on two sides of arc groove 31, bolster 32 can reduce the arc boss of oil sealing axle journal 4
41 elliptical gears given birth in 31 transfer movable property of arc groove, further decrease vibration.
The arc groove 31 is distributed on 3 front of the wheel hub close to the position of inside, and each bottom of the arc groove 31
Face is same plane.
The axial gap of the arc boss 41 and bearing cap 5 and it is less than 1 millimeter with the sum of the gap of 31 bottom surface of arc groove.
If arc boss 41 is larger with the axial gap of bearing cap 5 and with the sum of the gap of 31 bottom surface of arc groove, oil sealing axle journal 4 can be caused
Generate axial float；If the axial gapless of arc boss 41 and bearing cap 5, arc boss 41 and 31 bottom surface of arc groove are continuously
Gap can make arc boss 41 generate friction with bearing cap 5 and wheel hub 3 when oil sealing axle journal 4 is rotated relative to wheel hub 3, influence
Service life.
Position on the wheel hub 3 between the two neighboring arc groove 31 is equipped with bearing cap mounting hole 33, described
Bearing cap 5 is equipped with multiple mounting pins 51 that cooperation is corresponded with the bearing cap mounting hole 33, the mounting pin 51 and institute
State the interference fit of bearing cap mounting hole 33.Bearing cap 5 can play the role of axial limiting to oil sealing axle journal 4, prevent oil sealing axle journal 4
Abjection.
Arc groove 31 is four in the present embodiment, and corresponding arc boss 41, bearing cap mounting hole 33, mounting pin 51 are
Four, number is set as the case may be, can be two, three, five, six etc..
When assembly, damping ring 2 is directly pressed by way of interference fit between belt pulley 1 and wheel hub 3；Then by oil sealing
Axle journal 4 and 3 corresponding matching of wheel hub so that the arc boss 41 of oil sealing axle journal 4 is located in the arc groove 31 of wheel hub 3；Finally by axis
It holds lid 5 and passes through oil sealing axle journal 4 so that the bearing cap mounting hole 33 that the mounting pin 51 on bearing cap 5 is aligned on wheel hub 3, which is pressed into, is
It can.It is simple in structure, quick and easy for installation.The inside of oil sealing axle journal 4 is equipped with internal spline, coordinates with the external splines of crankshaft end.
Engine will produce vibration by a small margin when running well, and the belt pulley 1 in the present invention is due to effect of inertia meeting
Relative motion is generated with wheel hub 3, damping ring 2 is made to rub back and forth, vibrational energy is absorbed by the frictional damping of damping ring 2, is played
Reduce the effect of low amplitude vibrations.
When engine flywheel or transmission system will cause crankshaft tortional vibration damper high-amplitude to vibrate under resonance speed, this
Since 31 radian of arc groove on wheel hub 3 is more than the radian of arc boss 41 in invention, wheel hub 3 can be relative to oil sealing axle journal 4
It turns an angle, since two sides of arc groove 31 are equipped with bolster 32, which forms a freedom with damping
Rotation.When wheel hub 3 turns an angle relative to oil sealing axle journal 4, amplitude is significantly weakened, and reduces the vibration after amplitude again
By the further reduction of bolster 32 motor head is improved so that the output rotating speed of belt pulley 1 becomes uniform
The rotating speed inhomogeneities of train promotes the NVH performances of vehicle.
Claims (6)
1. a kind of damp type crankshaft tortional vibration damper assembly, including belt pulley（1）, be located at the belt pulley（1）The wheel hub of inside
（3）, press fitting in the belt pulley（1）With wheel hub（3）Between damping ring（2）, it is characterized in that：Further include and the wheel hub（3）
Cooperation and can be relative to wheel hub（3）The oil sealing axle journal to turn an angle（4）, be used for the oil sealing axle journal（4）Axial limiting
Bearing cap（5）.
2. damp type crankshaft tortional vibration damper assembly according to claim 1, it is characterized in that：The wheel hub（3）Close to interior
The position of side is equipped with multiple arcs slot（31）, the oil sealing axle journal（4）One end lateral surface be equipped with it is multiple with the arc
Slot（31）One-to-one arc boss（41）, the arc groove（31）Radian be more than the arc boss（41）Radian.
3. damp type crankshaft tortional vibration damper assembly according to claim 2, it is characterized in that：Each arc groove（31）
Two sides be equipped with bolster（32）.
4. damp type crankshaft tortional vibration damper assembly according to claim 2 or 3, it is characterized in that：The arc groove（31）
It is distributed on the wheel hub（3）Front is close to the position of inside, and each arc groove（31）Bottom surface be same plane.
5. damp type crankshaft tortional vibration damper assembly according to claim 4, it is characterized in that：The arc boss（41）With
Bearing cap（5）Axial gap and and arc groove（31）The sum of gap of bottom surface is less than 1 millimeter.
6. damp type crankshaft tortional vibration damper assembly according to claim 1 or 2 or 3, it is characterized in that：The wheel hub（3）
It is upper to be located at the two neighboring arc groove（31）Between position be equipped with bearing cap mounting hole（33）, the bearing cap（5）On set
There is the multiple and bearing cap mounting hole（33）Correspond the mounting pin of cooperation（51）, the mounting pin（51）With the bearing
Lid mounting hole（33）Interference fit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810547631.3A CN108730407A (en) | 2018-05-31 | 2018-05-31 | A kind of damp type crankshaft tortional vibration damper assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810547631.3A CN108730407A (en) | 2018-05-31 | 2018-05-31 | A kind of damp type crankshaft tortional vibration damper assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108730407A true CN108730407A (en) | 2018-11-02 |
Family
ID=63931327
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810547631.3A Pending CN108730407A (en) | 2018-05-31 | 2018-05-31 | A kind of damp type crankshaft tortional vibration damper assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108730407A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116146340A (en) * | 2023-03-20 | 2023-05-23 | 奇瑞汽车股份有限公司 | Automobile engine thermal cycle system and automobile |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06331005A (en) * | 1993-05-25 | 1994-11-29 | Bridgestone Corp | Damper pulley |
| KR20060058288A (en) * | 2004-11-25 | 2006-05-30 | 현대자동차주식회사 | Torsional damper pulleys for vehicle engines |
| CN1957191A (en) * | 2004-03-31 | 2007-05-02 | 盖茨公司 | Rubber composition and vibration damper using the rubber composition |
| KR20120068120A (en) * | 2010-12-17 | 2012-06-27 | 현대중공업 주식회사 | Opened coil spring type torsional vibration damper |
| CN202926951U (en) * | 2012-09-11 | 2013-05-08 | 浙江工贸职业技术学院 | Torsion vibration damper used for automobile engine crankshaft |
| CN204004301U (en) * | 2014-08-04 | 2014-12-10 | 莱顿汽车部件（苏州）有限公司 | Generator rubber damping belt wheel |
-
2018
- 2018-05-31 CN CN201810547631.3A patent/CN108730407A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06331005A (en) * | 1993-05-25 | 1994-11-29 | Bridgestone Corp | Damper pulley |
| CN1957191A (en) * | 2004-03-31 | 2007-05-02 | 盖茨公司 | Rubber composition and vibration damper using the rubber composition |
| KR20060058288A (en) * | 2004-11-25 | 2006-05-30 | 현대자동차주식회사 | Torsional damper pulleys for vehicle engines |
| KR20120068120A (en) * | 2010-12-17 | 2012-06-27 | 현대중공업 주식회사 | Opened coil spring type torsional vibration damper |
| CN202926951U (en) * | 2012-09-11 | 2013-05-08 | 浙江工贸职业技术学院 | Torsion vibration damper used for automobile engine crankshaft |
| CN204004301U (en) * | 2014-08-04 | 2014-12-10 | 莱顿汽车部件（苏州）有限公司 | Generator rubber damping belt wheel |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116146340A (en) * | 2023-03-20 | 2023-05-23 | 奇瑞汽车股份有限公司 | Automobile engine thermal cycle system and automobile |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201273357Y (en) | Novel crankshaft torsion vibration absorber of car engine | |
| CN102192269A (en) | Vibration absorber | |
| CN101326385A (en) | Drive wheel of an auxiliary unit pulley of an internal combustion engine | |
| CN101886685A (en) | Vibration damper assembly | |
| CN105579738B (en) | Centrifugal force pendulum device | |
| CN103573911A (en) | Apparatus for damping flywheel | |
| CN104285073A (en) | Torsional vibration damping arrangement, in particular for the powertrain of vehicle | |
| CN203627744U (en) | Torque fluctuation decreasing device | |
| CN110230660A (en) | Damping device and engine system | |
| CN104791415A (en) | Power disc, torsion damper using power disc, transmission system and automobile | |
| CN103758916A (en) | Damping shock absorber | |
| CN108730407A (en) | A kind of damp type crankshaft tortional vibration damper assembly | |
| CN105020368A (en) | Damping belt wheel for generator | |
| CN103994174A (en) | Combined shock absorber | |
| CN207554695U (en) | A kind of three mass flywheels | |
| CN201250877Y (en) | Novel crankshaft tortional vibration damper for vehicle engine | |
| CN108506416A (en) | A kind of crankshaft tortional vibration damper and automobile | |
| KR20070108670A (en) | Dynamic Damper on Drive Shaft | |
| CN102425641A (en) | Torsional vibration isolator | |
| CN217440685U (en) | Crankshaft torsional damper with driving belt decoupling function | |
| JP2011252567A (en) | Damper pulley | |
| CN112833133B (en) | Integrated crankshaft decoupling damper | |
| CN212360649U (en) | A magnetic crankshaft shock absorber | |
| CN102937047A (en) | Automobile engine wheel train drive system | |
| CN103267080A (en) | Engine crankshaft composite shock absorber |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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 |
Application publication date: 20181102 |
|
| RJ01 | Rejection of invention patent application after publication |