CN113428002B - Speed reducer damping device for electric automobile - Google Patents
Speed reducer damping device for electric automobile Download PDFInfo
- Publication number
- CN113428002B CN113428002B CN202110881096.7A CN202110881096A CN113428002B CN 113428002 B CN113428002 B CN 113428002B CN 202110881096 A CN202110881096 A CN 202110881096A CN 113428002 B CN113428002 B CN 113428002B
- Authority
- CN
- China
- Prior art keywords
- fixing ring
- speed reducer
- base
- shock
- shock absorbing
- 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.)
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- 239000003638 chemical reducing agent Substances 0.000 title claims abstract description 55
- 238000013016 damping Methods 0.000 title abstract description 16
- 230000035939 shock Effects 0.000 claims abstract description 93
- 239000002184 metal Substances 0.000 claims abstract description 39
- 238000010521 absorption reaction Methods 0.000 claims abstract description 23
- 239000001307 helium Substances 0.000 claims abstract description 4
- 229910052734 helium Inorganic materials 0.000 claims abstract description 4
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 claims abstract description 4
- 239000007789 gas Substances 0.000 claims description 24
- 229910000831 Steel Inorganic materials 0.000 claims description 11
- 239000010959 steel Substances 0.000 claims description 11
- 230000000694 effects Effects 0.000 abstract description 3
- 239000006096 absorbing agent Substances 0.000 description 18
- 239000000725 suspension Substances 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 3
- 230000001133 acceleration Effects 0.000 description 2
- 230000005284 excitation Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K17/00—Arrangement or mounting of transmissions in vehicles
- B60K17/04—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing
-
- 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
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/04—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Aviation & Aerospace Engineering (AREA)
- Vibration Prevention Devices (AREA)
Abstract
The invention discloses a shock absorption device of a speed reducer for an electric automobile, which belongs to the field of electric automobiles and comprises a speed reducer and a shock absorption cover, wherein the shock absorption cover comprises a first fixing ring and a second fixing ring, the first fixing ring and the second fixing ring are respectively sleeved at the front end and the rear end of the speed reducer, the lower end of the shock absorption cover is provided with a base, the upper end of the base is provided with a shock absorption groove, a plurality of metal pipes are arranged in the shock absorption groove, helium is filled in the metal pipes, a supporting rod is movably connected in the metal pipes, the lower end of the supporting rod is provided with a connecting rod, and one end of the connecting rod far away from the supporting rod is provided with a first piston. According to the invention, through the mutual matching of the first fixing ring, the second fixing ring, the first spring and the base, the speed reducer can be damped in various modes, so that the damping effect of the invention is improved, and meanwhile, the whole damping device is fixed on the automobile frame through bolts by the base, so that the stability of the damping device can be improved, and the stability of the connection between the speed reducer and the automobile body is further improved.
Description
Technical Field
The invention relates to the field of electric automobiles, in particular to a speed reducer damping device for an electric automobile.
Background
The speed reducer is an indispensable device on the automobile, most of the speed reducers on the market are matched with the shock pad, although the speed reducers are matched with the shock pad, most of the shock pad is connected with a vehicle body frame, through the mode, the shock pad can play a role in shock absorption, but the motor is not definite due to road conditions (namely, due to the change of excitation input of different roads and the complex and changeable excitation caused by the rotation speed and torque fluctuation of the motor under the working conditions of creeping, acceleration, deceleration, braking and the like) in the running process of the automobile, the shock absorption is carried out simply through the matched shock pad, the shock absorption effect is not obvious, and the long-time vibration can cause the damage of parts in the speed reducer.
Chinese patent discloses a reduction gear shock attenuation mounting structure (grant bulletin number CN 205059262U) of electric automobile, this patent is fixed the reduction gear through rubber suspension and suspension mount complex mode, has saved the original damping device of reduction gear, offset the vibrations of reduction gear, but, this patent makes the reduction gear suspension on the automobile body, and pure electric automobile's moment of torsion is big, the requirement to suspension system torsional capacity is far above the fuel car, under many circumstances because rubber suspension is too soft, by the death of being pressed under big moment of torsion and lose the bradyseism function, lead to suspension system vibration isolation capability decline, the irregular unstable that shakes of reduction gear under the acceleration and deceleration operating mode.
Disclosure of Invention
The invention aims to provide a speed reducer damping device for an electric automobile, which aims to solve the problems in the background technology.
In order to achieve the above purpose, the present invention provides the following technical solutions:
the shock absorption device of the speed reducer for the electric automobile comprises the speed reducer and a shock absorption cover, wherein the shock absorption cover comprises a first fixing ring and a second fixing ring, and the first fixing ring and the second fixing ring are respectively sleeved at the front end and the rear end of the speed reducer;
the lower extreme of shock attenuation cover is equipped with the base, the upper end of base is equipped with the shock attenuation groove, be equipped with a plurality of tubular metal resonator in the shock attenuation groove, the tubular metal resonator intussuseption is filled with helium, swing joint has the bracing piece in the tubular metal resonator, the lower extreme of bracing piece is equipped with the connecting rod, the one end that the bracing piece was kept away from to the connecting rod is equipped with first piston, both ends all are equipped with a plurality of gas cylinders around the base, be equipped with the second spring in the gas cylinder, the one end and the gas cylinder of second spring are connected, and the other end is equipped with the second piston, the one end that the gas cylinder is close to the tubular metal resonator is equipped with the connecting pipe, the gas cylinder passes through the connecting pipe and is connected with the tubular metal resonator.
As a further scheme of the invention, a first shock pad is arranged in the first fixing ring, a second shock pad is arranged in the second fixing ring, and the first shock pad and the second shock pad are respectively and tightly attached to the front end face and the rear end face of the speed reducer.
As a still further scheme of the invention, a plurality of sliding blocks are arranged at the end, away from each other, of the first fixing ring and the second fixing ring.
As a still further scheme of the invention, the upper end of the base is symmetrically provided with the fixed plates, one ends of the two fixed plates, which are close to each other, are respectively provided with a plurality of sliding grooves, the sliding blocks on the first fixed ring and the second fixed ring are respectively inserted into the sliding grooves on the fixed plates, the inner parts of the sliding grooves are respectively provided with a first spring, one end of each first spring is fixedly connected with the fixed plate, and the other end of each first spring is fixedly connected with the sliding block.
As a still further proposal of the invention, the heights of the metal pipes are different, the heights of a plurality of metal pipes are gradually increased from the middle to the two sides, the heights of the metal pipes corresponding to the positions of the two sides are the same, and the upper ends of the supporting rods in a plurality of metal pipes are contacted with the cover wall of the shock absorption cover.
As a still further proposal of the invention, the upper end of the base is provided with a shock absorption seat, and the lower end of the shock absorption cover is tightly connected with the shock absorption seat.
As still further scheme of the invention, the left and right ends of the base are symmetrically provided with the telescopic rods, one end of each telescopic rod is rotatably connected with the base, the other end of each telescopic rod is provided with the fixed steel ring, each telescopic rod is movably connected with the shock absorbing cover through the screw rod and the nut, and the telescopic rod is sleeved with the third spring.
Compared with the prior art, the invention has the beneficial effects that:
1. when the electric automobile is used, the base is connected with the frame of the electric automobile through the bolts, and when the speed reducer vibrates due to running of the electric automobile, the first shock pad and the second shock pad are used for shock absorption.
2. When the shock absorber is used, the up-and-down shaking appears when the shock absorber shakes, in the process of shaking the shock absorber up and down, the first fixing ring and the second fixing ring can slide relative to the fixing plate, the first spring can be extruded when the first fixing ring and the second fixing ring slide, and the shock absorber can be damped through the first spring.
3. When the speed reducer is used, the damping cover can extrude the supporting rod when the speed reducer moves downwards due to vibration, gas in the metal tube can be pushed when the supporting rod is extruded, the second spring can be compressed through the second piston when the gas in the metal tube is pushed, when the speed reducer moves upwards due to vibration, the pressure of the damping cover on the supporting rod can disappear, the second spring can push the second piston after the supporting rod loses the pressure, the first piston can be pushed through the gas when the second piston is pushed, and in this way, the upper end of the supporting rod can always be in contact with the cover wall of the damping cover when the speed reducer vibrates, so that the damping cover is supported by the supporting rod, and the speed reducer is damped.
4. According to the invention, through the mutual matching of the damping seat, the telescopic rod and the third spring, the speed reducer can be damped, and further the damage of the speed reducer caused by vibration is avoided.
5. According to the invention, through the mutual matching of the first fixing ring, the second fixing ring, the first spring and the base, the speed reducer can be damped in various modes, so that the damping effect of the invention is improved, and meanwhile, the whole damping device is fixed on the automobile frame through bolts by the base, so that the stability of the damping device can be improved, and the stability of the connection between the speed reducer and the automobile body is further improved.
Drawings
Fig. 1 is a schematic structural diagram of a shock absorbing device of a speed reducer for an electric vehicle.
Fig. 2 is a split view of a shock absorbing device of a decelerator for an electric vehicle.
Fig. 3 is a schematic structural view of a base in a shock absorbing device of a speed reducer for an electric vehicle.
Fig. 4 is a schematic diagram illustrating the disassembly of a gas cylinder in a damper of a decelerator for an electric vehicle.
Fig. 5 is a schematic drawing showing the disassembly of a metal tube in a shock absorbing device of a speed reducer for an electric automobile.
Fig. 6 is a schematic diagram of a second structure of a shock absorber of a speed reducer for an electric vehicle.
Fig. 7 is a schematic diagram II of a base in a shock absorbing device of a speed reducer for an electric vehicle.
Fig. 8 is a schematic connection diagram of a fixing steel ring and a first fixing ring and a second fixing ring in a shock absorbing device of a speed reducer for an electric automobile.
In the figure: 1. a speed reducer; 2. a first fixing ring; 3. a second fixing ring; 4. a fixing hole; 5. a base; 200. a first shock pad; 300. a second shock pad; 301. a slide block; 500. a fixing plate; 501. a chute; 502. a first spring; 503. a metal tube; 504. a support rod; 505. a first piston; 506. a connecting rod; 507. a gas cylinder; 508. a second spring; 509. a second piston; 510. a connecting pipe; 600. a shock absorption seat; 601. a telescopic rod; 602. a third spring; 603. fixing the steel ring.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Embodiment one:
referring to fig. 1-5, in an embodiment of the present invention, a shock absorber for an electric automobile includes a speed reducer 1 and a shock absorber cover, the shock absorber cover includes a first fixing ring 2 and a second fixing ring 3, the first fixing ring 2 and the second fixing ring 3 are respectively sleeved at front and rear ends of the speed reducer 1, a plurality of fixing rings are respectively arranged on outer walls of the first fixing ring 2 and the second fixing ring 3, the fixing rings on the first fixing ring 2 are mutually corresponding to the fixing rings on the outer wall of the second fixing ring 3, the first fixing ring 2 and the second fixing ring 3 are mutually matched and connected through bolts, nuts and the fixing rings, a plurality of fixing holes 4 are arranged at front ends of the second fixing ring 3, a plurality of fixing holes 4 are mutually corresponding to threaded holes at upper ends of the speed reducer 1, nuts for fixing the speed reducer 1 are inserted into threaded holes of the speed reducer 1, in this way, the second fixing ring 3 and a housing of the speed reducer 1 are connected more stably, a first shock absorber 200 is arranged inside the first fixing ring 2, a second shock absorber 300 is arranged inside the second fixing ring 3, and a plurality of shock absorber 300 is mutually far from the first shock absorber 300 and the first shock absorber 300 is mutually corresponding to the second shock absorber 300, and the first shock absorber 300 is closely attached to the first shock absorber 1 and the second shock absorber 300 is closely attached to the first end 300;
the lower end of the shock absorbing cover is provided with a base 5, the upper end of the base 5 is provided with a plurality of connecting holes, the upper end of the base 5 is symmetrically provided with a fixed plate 500, one ends of the two fixed plates 500 close to each other are respectively provided with a plurality of sliding grooves 501, sliding blocks 301 on the first fixed ring 2 and the second fixed ring 3 are respectively inserted into the sliding grooves 501 on the fixed plate 500, the sliding blocks 301 are in sliding connection with the fixed plate 500 through the sliding grooves 501, the inside of the sliding grooves 501 is provided with a first spring 502, one end of the first spring 502 is fixedly connected with the fixed plate 500, the other end of the first spring 502 is fixedly connected with the sliding blocks 301, the upper end of the base 5 is provided with a shock absorbing groove between the two fixed plates 500, a plurality of metal pipes 503 are arranged in a linear arrangement, the metal pipes 503 are arranged into two rows, helium is filled in the metal pipes 503, support rods 504 are movably connected in the metal pipes 503, the bracing piece 504 and tubular metal resonator 503 sliding connection, the height of a plurality of tubular metal resonator 503 is different, a plurality of the tubular metal resonator 503's height is by the centre to both sides increase gradually, and the tubular metal resonator 503's that both sides position corresponds highly the same, the upper end of bracing piece 504 in a plurality of tubular metal resonator 503 all contacts with the cover wall of shock attenuation cover, the lower extreme of bracing piece 504 is equipped with connecting rod 506, the one end that bracing piece 504 was kept away from to connecting rod 506 is equipped with first piston 505, both ends all are equipped with a plurality of gas cylinders 507 around base 5, the quantity of gas cylinders 507 is the same with the quantity of tubular metal resonator 503, be equipped with second spring 508 in the gas cylinder 507, the one end and the gas cylinder 507 of second spring 508 are connected, the other end that the gas cylinder 507 is close to tubular metal resonator 503 is equipped with connecting pipe 510, the gas cylinder 507 passes through connecting pipe 510 and is connected with tubular metal resonator 503 each other through connecting pipe 510.
The principle of this embodiment is:
the base 5 is connected with a frame of an electric automobile through bolts, when the speed reducer 1 vibrates due to running of the electric automobile, the first shock pad 200 and the second shock pad 300 are used for carrying out preliminary shock absorption, when the speed reducer 1 vibrates, the appearance of shaking up and down can be achieved, in the process of shaking up and down of the speed reducer 1, the first fixing ring 2 and the second fixing ring 3 can slide relative to the fixing plate 500, the first fixing ring 2 and the second fixing ring 3 can squeeze the first spring 502 when sliding, the speed reducer 1 can be damped again through the first spring 502, when the speed reducer 1 moves downwards due to vibration, the shock absorbing cover 1 can squeeze the supporting rod 504, the supporting rod 504 can push gas in the metal tube 503 when being squeezed, the gas in the metal tube 503 can compress the second spring 508 through the second piston 509 when being pushed, when the speed reducer 1 moves upwards due to vibration, the pressure of the shock absorbing cover to the supporting rod 504 can disappear, the second spring 508 can push the second piston 509 after the pressure of the supporting rod 504 is lost, the second piston 509 can push the first piston 505 through the gas when being pushed, the speed reducer 1 can always contact with the supporting rod 504 through the upper end of the supporting rod 504, and then the shock absorbing wall can be damped by the shock absorber.
Embodiment two:
referring to fig. 6 and 7, the foundation of the combined embodiment 1 is different in that the upper end of the base 5 is provided with a shock absorbing seat 600, the shock absorbing seat 600 is arc-shaped, the lower end of the shock absorbing cover is tightly connected with the shock absorbing seat 600, the shock absorbing cover is bonded with the shock absorbing seat 600 through glue, the left and right ends of the base 5 are symmetrically provided with telescopic rods 601, one end of each telescopic rod 601 is rotationally connected with the base 5, the other end of each telescopic rod is provided with a fixed steel ring 603, the fixed steel rings 603 respectively correspond to the fixed rings at the upper ends of the first fixed ring 2 and the second fixed ring 3, the circle center of each fixed steel ring 603 is on the same straight line with the circle center of each fixed ring, the telescopic rods 601 are movably connected with the shock absorbing cover through screws and nuts, and third springs 602 are sleeved on the telescopic rods 601, and the speed reducer 1 can be damped through the mutual matching of the shock absorbing seat 600, the telescopic rods 601 and the third springs 602, and further damage of the speed reducer 1 due to vibration is avoided;
referring to fig. 8, the screw rod passes through the fixing ring, nuts are sleeved at both ends of the screw rod, the nuts are rotated to enable the two nuts on the screw rod to approach each other, so that the first fixing ring 2 and the second fixing ring 3 are fixed on the speed reducer 1, then the fixing steel ring 603 is sleeved on the screw rod, after the fixing steel ring 603 is sleeved on the screw rod, the nuts are sleeved at both ends of the screw rod, the nuts on the screw rod are rotated to enable the nuts on the screw rod to approach each other, and therefore the fixing steel ring 603 is limited, and the fixing steel ring 603 can rotate relative to the screw rod.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.
Claims (4)
1. The shock absorption device of the speed reducer for the electric automobile comprises the speed reducer (1) and a shock absorption cover, and is characterized in that the shock absorption cover comprises a first fixing ring (2) and a second fixing ring (3), and the first fixing ring (2) and the second fixing ring (3) are respectively sleeved at the front end and the rear end of the speed reducer (1);
the lower extreme of shock attenuation cover is equipped with base (5), the upper end of base (5) is equipped with the shock attenuation groove, be equipped with a plurality of metal pipes (503) in the shock attenuation groove, metal pipe (503) intussuseption is filled with helium, swing joint has bracing piece (504) in metal pipe (503), the lower extreme of bracing piece (504) is equipped with connecting rod (506), the one end that bracing piece (504) was kept away from to connecting rod (506) is equipped with first piston (505), both ends all are equipped with a plurality of gas cylinders (507) around base (5), be equipped with second spring (508) in gas cylinder (507), the one end and the gas cylinder (507) of second spring (508) are connected, and the other end is equipped with second piston (509), the one end that gas cylinder (507) are close to metal pipe (503) is equipped with connecting pipe (510), gas cylinder (507) are connected with metal pipe (503) through connecting pipe (510).
One end, away from each other, of the first fixing ring (2) and the second fixing ring (3) is provided with a plurality of sliding blocks (301);
the upper end of the base (5) is symmetrically provided with a fixed plate (500), one ends of the two fixed plates (500) close to each other are respectively provided with a plurality of sliding grooves (501), sliding blocks (301) on the first fixed ring (2) and the second fixed ring (3) are respectively inserted into the sliding grooves (501) on the fixed plate (500), first springs (502) are respectively arranged in the sliding grooves (501), one ends of the first springs (502) are fixedly connected with the fixed plate (500), and the other ends of the first springs (502) are fixedly connected with the sliding blocks (301);
the heights of the metal pipes (503) are different, the heights of the metal pipes (503) are gradually increased from the middle to the two sides, the heights of the metal pipes (503) corresponding to the positions of the two sides are the same, and the upper ends of the supporting rods (504) in the metal pipes (503) are contacted with the cover wall of the shock absorption cover.
2. The shock absorbing device for the electric automobile according to claim 1, wherein a first shock absorbing pad (200) is arranged in the first fixing ring (2), a second shock absorbing pad (300) is arranged in the second fixing ring (3), and the first shock absorbing pad (200) and the second shock absorbing pad (300) are respectively and tightly attached to the front end face and the rear end face of the speed reducer (1).
3. The shock absorbing device for the electric automobile according to claim 1, wherein the shock absorbing seat (600) is arranged at the upper end of the base (5), and the lower end of the shock absorbing cover is tightly connected with the shock absorbing seat (600).
4. The reducer vibration damper for the electric automobile according to claim 1, wherein telescopic rods (601) are symmetrically arranged at the left end and the right end of the base (5), one end of each telescopic rod (601) is rotationally connected with the base (5), a fixed steel ring (603) is arranged at the other end of each telescopic rod, each telescopic rod (601) is movably connected with the vibration damper cover through a screw rod and a nut, and a third spring (602) is sleeved on each telescopic rod (601).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110881096.7A CN113428002B (en) | 2021-08-02 | 2021-08-02 | Speed reducer damping device for electric automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110881096.7A CN113428002B (en) | 2021-08-02 | 2021-08-02 | Speed reducer damping device for electric automobile |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113428002A CN113428002A (en) | 2021-09-24 |
| CN113428002B true CN113428002B (en) | 2024-02-20 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110881096.7A Active CN113428002B (en) | 2021-08-02 | 2021-08-02 | Speed reducer damping device for electric automobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113428002B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2049684A5 (en) * | 1969-06-20 | 1971-03-26 | Berggren Alfred | TWO-PART SYSTEM INCREASING THE RADIUS OF ACTION AND SPEED OF ELECTRIC VEHICLES |
| JP2007205433A (en) * | 2006-01-31 | 2007-08-16 | Nissan Motor Co Ltd | Vibration absorbing device and suspension device |
| CN101857036A (en) * | 2009-04-10 | 2010-10-13 | 萱场工业株式会社 | Linear shock absorber for railway vehicles |
| CN206280432U (en) * | 2016-12-27 | 2017-06-27 | 浙江红箭橡塑有限公司 | A kind of high-performing car damper |
| CN208515383U (en) * | 2018-05-10 | 2019-02-19 | 重庆懿熙品牌策划有限公司 | A kind of clutch component and its electric automobile chassis |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE0300807L (en) * | 2003-03-25 | 2004-03-30 | Sven Kindblom | Shock absorber for height adjustment |
-
2021
- 2021-08-02 CN CN202110881096.7A patent/CN113428002B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2049684A5 (en) * | 1969-06-20 | 1971-03-26 | Berggren Alfred | TWO-PART SYSTEM INCREASING THE RADIUS OF ACTION AND SPEED OF ELECTRIC VEHICLES |
| JP2007205433A (en) * | 2006-01-31 | 2007-08-16 | Nissan Motor Co Ltd | Vibration absorbing device and suspension device |
| CN101857036A (en) * | 2009-04-10 | 2010-10-13 | 萱场工业株式会社 | Linear shock absorber for railway vehicles |
| CN206280432U (en) * | 2016-12-27 | 2017-06-27 | 浙江红箭橡塑有限公司 | A kind of high-performing car damper |
| CN208515383U (en) * | 2018-05-10 | 2019-02-19 | 重庆懿熙品牌策划有限公司 | A kind of clutch component and its electric automobile chassis |
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| Publication number | Publication date |
|---|---|
| CN113428002A (en) | 2021-09-24 |
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