CN106812854A - A kind of vibration damping compress control method for 4-wheel driven car - Google Patents
A kind of vibration damping compress control method for 4-wheel driven car Download PDFInfo
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- CN106812854A CN106812854A CN201510855821.8A CN201510855821A CN106812854A CN 106812854 A CN106812854 A CN 106812854A CN 201510855821 A CN201510855821 A CN 201510855821A CN 106812854 A CN106812854 A CN 106812854A
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Abstract
The invention discloses a kind of vibration damping compress control method for 4-wheel driven car, including oil storage cylinder, working cylinder is provided with oil storage cylinder, piston is provided with working cylinder, piston is connected with piston rod, piston rod is connected with connector, and upper connector is provided with dust cover with the junction of piston rod, and piston rod passes through dust cover；The bottom of oil storage cylinder is connected with lower connector, and through hole one and through hole two are provided with piston, and rebound valve is provided with through hole one, and flowing valve is provided with through hole two, and the top of rebound valve and the bottom of flowing valve are respectively and fixedly provided with limited block one；Mounting seat is provided with working cylinder, through hole three and through hole four are provided with mounting seat, compression valve is provided with through hole three, recuperation valve is provided with through hole four, the top of compression valve and the bottom of recuperation valve are provided with limited block two.The device carries out vibration damping using hydraulic principle, and damping efficiency is high, can automatically be compensated return, it is to avoid produce metal fatigue phenomenon, service life to be extended.
Description
Technical field
The present invention relates to a kind of device, more particularly, to a kind of vibration damping compress control method for 4-wheel driven car.
Background technology
Vibration damping, is the measure for reducing unwanted mechanical oscillation in all kinds of machineries.In real work, people usually take only makes the measure decayed with the vibration in certain frequency range of certain key position in machinery, therefore vibrates and can not be completely eliminated.General vibration reducing measure has reduction incentive action, avoids resonance region, increases damping and use shock absorber.ReduceExcitationEffect：Reducing excitation can just reduceVibration.Such asMotor, high-speed rotating shaft and reciprocating connecting rod, piston etc., the periodicity inertia force for being produced due to uneven during exercise is often the main contributor for producing forced vibration.Action is entered to these movement parts on requestBalanceVibration can be reduced.If due to designing and manufacturing improper, machinery is occurred in thatResonance, only avoiding resonance region could effectively reduce vibration.Therefore, often set up rib to improve system frequency in the suitable position of machinery, or increase mass can change the driving frequency of machinery to reduce system frequency, also and avoid resonance region.Some mechanical vibration source more than one, driving frequency is more.Although or only one of which vibration source, driving frequency often changes, only adjustsRigidityOr quality is also possible to produce new resonance.If increasing the damping of system, vibration just can be reduced in frequency range wider.As case member often produces frequency range forced vibration very wide, wherein there are many ranks to resonate, while producing strong noise.In the viscous last layer viscoelastic material of this kind of component surface such asRubberDeng, you can increase its damping, effectively suppress each rank resonance of HFS.Shock absorber can be used in some cases.Conventional shock absorber has:Damping shock absorber, using additional damping device dissipation vibrational energy；Impact damper, is reduced using additional mass repeated stock vibrating body and vibrated；Dynamic shock absorber, in required frequency range, the power opposite with the excitation for acting on original system is produced using the quality of assistance in shock absorber, makes energy transfer, reduces vibration；Pendulum damper, using the power of pendulum mass to torsional vibration system work done reducing twisting vibration.In automotive field, existing shock absorber damping efficiency is poor so that people feel that shake is severe when by road conditions poor section, and seating is very uncomfortable, and the service life of shock absorber is very short.
The content of the invention
It is an object of the invention to overcome above-mentioned existing vehicle shock absorber damping efficiency poor, so that people feel that shake is severe when by road conditions poor section, take very uncomfortable, and the very short problem of the service life of shock absorber, devise a kind of vibration damping compress control method for 4-wheel driven car, the device carries out vibration damping using hydraulic principle, damping efficiency is high, return can automatically be compensated, avoid producing metal fatigue phenomenon, service life is extended, solve existing vehicle shock absorber damping efficiency poor, so that people feel that shake is severe when by road conditions poor section, take very uncomfortable, and the very short problem of the service life of shock absorber.
The purpose of the present invention is achieved through the following technical solutions：A kind of vibration damping compress control method for 4-wheel driven car, oil storage cylinder including inner hollow and both ends open, the working cylinder of inner hollow and both ends open is provided with the oil storage cylinder, piston is provided with working cylinder, the side wall of piston is contacted with the cavity wall of working cylinder, and piston can be moved along the cavity wall of working cylinder, piston is connected with piston rod, oil storage cylinder and working cylinder are stretched out in piston rod one end, one end that piston rod is arranged on outside oil storage cylinder is connected with connector, the upper connector is provided with dust cover with the junction of piston rod, piston rod passes through dust cover, and oil storage cylinder is arranged in dust cover；The bottom of oil storage cylinder is connected with lower connector, through hole one and through hole two are provided with piston, rebound valve is provided with through hole one, and rebound valve can carry out vertical movement in through hole one, flowing valve is provided with through hole two, and flowing valve can carry out vertical movement in through hole two, the top of rebound valve and the bottom of flowing valve are respectively and fixedly provided with limited block one, and the size of limited block one is simultaneously greater than the size of through hole one and the size of through hole two；Mounting seat is provided with the working cylinder, the side wall of mounting seat is connected with the side wall seamless of working cylinder, mounting seat is arranged on the lower section of piston, through hole three and through hole four are provided with mounting seat, compression valve is provided with through hole three, and compression valve can carry out vertical movement in through hole three, recuperation valve is provided with through hole four, recuperation valve can carry out vertical movement in through hole four, the top of compression valve and the bottom of recuperation valve are provided with limited block two, and the size of limited block two is simultaneously greater than the size of through hole three and the size of through hole four；The bottom of the rebound valve and the bottom of compression valve are in circular cone shape, and the larger one end of area is down, the bottom size of through hole one cooperates with the bottom size of rebound valve, the bottom size of through hole three and the bottom size of compression valve cooperate, the top of flowing valve and the top of recuperation valve are in circular cone shape, and the larger one end of area is upward, the tip size of through hole two and the tip size of flowing valve cooperate, and the tip size of through hole four and the tip size of recuperation valve cooperate.
The top of the oil storage cylinder is provided with oil sealing device, and oil sealing device is completely covered the top end opening of oil storage cylinder, guide holder is provided with oil sealing device, and guide holder is fixed at the top end opening of working cylinder, and piston rod passes through guide holder and oil sealing device.
The bottom of the oil storage cylinder is provided with seal receptacle, and seal receptacle can completely enclose the bottom end opening of oil storage cylinder, and the bottom of working cylinder is arranged in seal receptacle, and lower connector is connected with the bottom of seal receptacle.
One end that the piston rod is arranged on the cavity of oil storage cylinder is fixed with connecting bolt, and connecting bolt passes through piston, and the outer wall of connecting bolt is sheathed with nut, and piston is arranged between nut and piston rod, and connecting bolt is arranged between rebound valve and flowing valve.
In sum, the beneficial effects of the invention are as follows：The device carries out vibration damping using hydraulic principle, damping efficiency is high, return can automatically be compensated, avoid producing metal fatigue phenomenon, service life is extended, and solves existing vehicle shock absorber damping efficiency poor so that people feel that shake is severe when by road conditions poor section, take it is very uncomfortable, and shock absorber the very short problem of service life.
Brief description of the drawings
Fig. 1 is structural representation of the invention；
Fig. 2 is enlarged drawing at the A of Fig. 1；
Fig. 3 is enlarged drawing at the B of Fig. 1.
Mark and corresponding parts title in accompanying drawing：1-upper connector；2-dust cover；3-guide holder；4-working cylinder；5-flowing valve；6-nut；7-connecting bolt；8-recuperation valve；9-seal receptacle；10-lower connector；11-mounting seat；12-compression valve；13-piston；14-rebound valve；15-oil storage cylinder；16-oil sealing device；17-piston rod；18-through hole one；19-through hole two；20-limited block one；21-through hole three；22-limited block two；23-through hole four.
Specific embodiment
With reference to embodiment and accompanying drawing, the present invention is described in further detail, but embodiments of the present invention are not limited only to this.
Embodiment：
Such as Fig. 1, Fig. 2, shown in Fig. 3, a kind of vibration damping compress control method for 4-wheel driven car, oil storage cylinder 15 including inner hollow and both ends open, the working cylinder 4 of inner hollow and both ends open is provided with the oil storage cylinder 15, piston 13 is provided with working cylinder 4, the side wall of piston 13 is contacted with the cavity wall of working cylinder 4, and piston 13 can be moved along the cavity wall of working cylinder 4, piston 13 is connected with piston rod 17, oil storage cylinder 15 and working cylinder 4 are stretched out in the one end of piston rod 17, one end that piston rod 17 is arranged on outside oil storage cylinder 15 is connected with connector 1, the upper connector 1 is provided with dust cover 2 with the junction of piston rod 17, piston rod 17 passes through dust cover 2, and oil storage cylinder 15 is arranged in dust cover 2；The bottom of oil storage cylinder 15 is connected with lower connector 10, through hole 1 and through hole 2 19 are provided with piston 13, rebound valve 14 is provided with through hole 1, and rebound valve 14 can carry out vertical movement in through hole 1, flowing valve 5 is provided with through hole 2 19, and flowing valve 5 can carry out vertical movement in through hole 2 19, the top of rebound valve 14 and the bottom of flowing valve 5 are respectively and fixedly provided with limited block 1, and the size of limited block 1 is simultaneously greater than the size of through hole 1 and the size of through hole 2 19；Mounting seat 11 is provided with the working cylinder 4, the side wall of mounting seat 11 is connected with the side wall seamless of working cylinder 4, mounting seat 11 is arranged on the lower section of piston 13, through hole 3 21 and through hole 4 23 are provided with mounting seat 11, compression valve 12 is provided with through hole 3 21, and compression valve 12 can carry out vertical movement in through hole 3 21, recuperation valve 8 is provided with through hole 4 23, recuperation valve 8 can carry out vertical movement in through hole 4 23, the top of compression valve 12 and the bottom of recuperation valve 8 are provided with limited block 2 22, the size of limited block 2 22 is simultaneously greater than the size of through hole 3 21 and the size of through hole 4 23；The bottom of the rebound valve 14 and the bottom of compression valve 12 are in circular cone shape, and the larger one end of area is down, the bottom size of through hole 1 cooperates with the bottom size of rebound valve 14, the bottom size of through hole 3 21 and the bottom size of compression valve 12 cooperate, the top of flowing valve 5 and the top of recuperation valve 8 are in circular cone shape, and the larger one end of area is upward, the tip size of through hole 2 19 and the tip size of flowing valve 5 cooperate, and the tip size of through hole 4 23 and the tip size of recuperation valve 8 cooperate；The top of the oil storage cylinder 15 is provided with oil sealing device 16, and oil sealing device 16 is completely covered the top end opening of oil storage cylinder 15, and guide holder 3 is provided with oil sealing device 16, and guide holder 3 is fixed at the top end opening of working cylinder 4, and piston rod 17 passes through guide holder 3 and oil sealing device 16；The bottom of the oil storage cylinder 15 is provided with seal receptacle 9, and seal receptacle 9 can completely enclose the bottom end opening of oil storage cylinder 15, and the bottom of working cylinder 4 is arranged in seal receptacle 9, and lower connector 10 is connected with the bottom of seal receptacle 9；One end that the piston rod 17 is arranged on the cavity of oil storage cylinder 15 is fixed with connecting bolt 7, connecting bolt 7 passes through piston 13, and the outer wall of connecting bolt 7 is sheathed with nut 6, piston 13 is arranged between nut 6 and piston rod 17, and connecting bolt 7 is arranged between rebound valve 14 and flowing valve 5.This structure it is actually used in,Upper connector 1 is connected with vehicle frame,Lower connector 10 is connected with car sedan-chair,Mounting seat 11 keeps fixing with the side wall of working cylinder 4,Piston 13 can be along working cylinder 4 in working cylinder 4 inwall carry out vertical movement,Dust cover 2 prevents dust etc. from entering on oil sealing device 16 or piston rod 17,Cause piston rod 17 to move and stuck phenomenon occur,When entering compression travel in vibration damping,Flowing valve 5 and compression valve 12 are opened,During into extension stroke,Rebound valve 14 and recuperation valve 8 are opened,Due to being provided with corresponding inclined-plane in respective through hole,So that hydraulic oil turnover is all a process for slow steady ordered,It is not in situation about rapidly changing,Reduce the damage to modular construction,So that the service life of the present apparatus is extended,Limited block limits its displacement,Displacement is prevented excessively to cause to structural damage,And due to being to use liquid-springing,Relative to existing spring cushion,It is without this defect of metal fatigue,The effect of vibration damping is more preferable,And service life is longer,So cause automobile by jolt road surface when effectiveness in vibration suppression it is more preferable,Passenger is more comfortable.
The above; only it is presently preferred embodiments of the present invention; any formal limitation is not done to the present invention, every any simple modification, equivalent variations substantially made to above example according to technology of the invention, method are each fallen within protection scope of the present invention.
Claims (4)
1. a kind of vibration damping compress control method for 4-wheel driven car, it is characterised in that：Oil storage cylinder including inner hollow and both ends open（15）, the oil storage cylinder（15）In be provided with the working cylinder of inner hollow and both ends open（4）, working cylinder（4）In be provided with piston（13）, piston（13）Side wall and working cylinder（4）The contact of cavity wall, and piston（13）Can be along working cylinder（4）Cavity wall move, piston（13）It is connected with piston rod（17）, piston rod（17）Oil storage cylinder is stretched out in one end（15）And working cylinder（4）, piston rod（17）It is arranged on oil storage cylinder（15）Outside one end is connected with connector（1）, the upper connector（1）With piston rod（17）Junction be provided with dust cover（2）, piston rod（17）Through dust cover（2）, and oil storage cylinder（15）It is arranged on dust cover（2）In；Oil storage cylinder（15）Bottom be connected with lower connector（10）, piston（13）In be provided with through hole one（18）With through hole two（19）, through hole（18）In be provided with rebound valve（14）, and rebound valve（14）Can be in through hole one（18）In carry out vertical movement, through hole two（19）In be provided with flowing valve（5）, and flowing valve（5）Can be in through hole two（19）In carry out vertical movement, rebound valve（14）Top and flowing valve（5）Bottom be respectively and fixedly provided with limited block one（20）, limited block（20）Size be simultaneously greater than through hole one（18）Size and through hole two（19）Size；The working cylinder（4）In be provided with mounting seat（11）, mounting seat（11）Side wall and working cylinder（4）The connection of side wall seamless, mounting seat（11）It is arranged on piston（13）Lower section, mounting seat（11）In be provided with through hole three（21）With through hole four（23）, through hole three（21）In be provided with compression valve（12）, and compression valve（12）Can be in through hole three（21）In carry out vertical movement, through hole four（23）In be provided with recuperation valve（8）, recuperation valve（8）Can be in through hole four（23）In carry out vertical movement, compression valve（12）Top and recuperation valve（8）Bottom be provided with limited block two（22）, limited block two（22）Size be simultaneously greater than through hole three（21）Size and through hole four（23）Size；The rebound valve（14）Bottom and compression valve（12）Bottom be in circular cone shape, and the larger one end of area is down, through hole one（18）Bottom size and rebound valve（14）Bottom size cooperate, through hole three（21）Bottom size and compression valve（12）Bottom size cooperate, flowing valve（5）Top and recuperation valve（8）Top be in circular cone shape, and the larger one end of area is upward, through hole two（19）Tip size and flowing valve（5）Tip size cooperate, through hole four（23）Tip size and recuperation valve（8）Tip size cooperate；Upper connector 1 is connected with vehicle frame, lower connector 10 is connected with car sedan-chair, mounting seat 11 keeps fixing with the side wall of working cylinder 4, piston 13 can be along working cylinder 4 in working cylinder 4 inwall carry out vertical movement, dust cover 2 prevents dust etc. from entering on oil sealing device 16 or piston rod 17, cause piston rod 17 to move and stuck phenomenon occur, when entering compression travel in vibration damping, flowing valve 5 and compression valve 12 are opened, during into extension stroke, rebound valve 14 and recuperation valve 8 are opened, due to being provided with corresponding inclined-plane in respective through hole, so that hydraulic oil turnover is all a process for slow steady ordered.
2. a kind of vibration damping compress control method for 4-wheel driven car according to claim 1, it is characterised in that：The oil storage cylinder（15）Top be provided with oil sealing device（16）, oil sealing device（16）Oil storage cylinder is completely covered（15）Top end opening, oil sealing device（16）In be provided with guide holder（3）, guide holder（3）It is fixed on working cylinder（4）Top end opening at, piston rod（17）Through guide holder（3）With oil sealing device（16）.
3. a kind of vibration damping compress control method for 4-wheel driven car according to claim 1, it is characterised in that：The oil storage cylinder（15）Bottom be provided with seal receptacle（9）, seal receptacle（9）Oil storage cylinder can be completely enclosed（15）Bottom end opening, working cylinder（4）Bottom be arranged on seal receptacle（9）In, lower connector（10）With seal receptacle（9）Bottom connection.
4. a kind of vibration damping compress control method for 4-wheel driven car according to claim 1, it is characterised in that：The piston rod（17）It is arranged on oil storage cylinder（15）One end of cavity be fixed with connecting bolt（7）, connecting bolt（7）Through piston（13）, and connecting bolt（7）Outer wall be sheathed with nut（6）, piston（13）It is arranged on nut（6）And piston rod（17）Between, connecting bolt（7）It is arranged on rebound valve（14）And flowing valve（5）Between.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510855821.8A CN106812854A (en) | 2015-11-29 | 2015-11-29 | A kind of vibration damping compress control method for 4-wheel driven car |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510855821.8A CN106812854A (en) | 2015-11-29 | 2015-11-29 | A kind of vibration damping compress control method for 4-wheel driven car |
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| CN106812854A true CN106812854A (en) | 2017-06-09 |
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| CN201510855821.8A Pending CN106812854A (en) | 2015-11-29 | 2015-11-29 | A kind of vibration damping compress control method for 4-wheel driven car |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113431862A (en) * | 2021-07-02 | 2021-09-24 | 安徽誉林汽车部件有限公司 | Automobile barrel type hydraulic shock absorber |
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2015
- 2015-11-29 CN CN201510855821.8A patent/CN106812854A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113431862A (en) * | 2021-07-02 | 2021-09-24 | 安徽誉林汽车部件有限公司 | Automobile barrel type hydraulic shock absorber |
| CN113431862B (en) * | 2021-07-02 | 2023-09-26 | 安徽誉林汽车部件有限公司 | Automobile cylinder type hydraulic shock absorber |
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Application publication date: 20170609 |
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| WD01 | Invention patent application deemed withdrawn after publication |