CN111981083A - Buffer oil cylinder for vehicle shock absorption - Google Patents
Buffer oil cylinder for vehicle shock absorption Download PDFInfo
- Publication number
- CN111981083A CN111981083A CN202010852169.5A CN202010852169A CN111981083A CN 111981083 A CN111981083 A CN 111981083A CN 202010852169 A CN202010852169 A CN 202010852169A CN 111981083 A CN111981083 A CN 111981083A
- Authority
- CN
- China
- Prior art keywords
- vehicle
- nitrogen
- cylinder body
- cylinder
- chamber
- 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
- 230000035939 shock Effects 0.000 title claims description 12
- 238000010521 absorption reaction Methods 0.000 title claims description 9
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 136
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 64
- 238000005192 partition Methods 0.000 claims abstract description 12
- 229910001873 dinitrogen Inorganic materials 0.000 claims description 8
- 238000013016 damping Methods 0.000 abstract description 18
- 239000003921 oil Substances 0.000 description 29
- 230000000694 effects Effects 0.000 description 3
- 239000000725 suspension Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000010720 hydraulic oil Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- 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
- F16F15/023—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 fluid means
- F16F15/0232—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 fluid means with at least one gas spring
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G13/00—Resilient suspensions characterised by arrangement, location or type of vibration dampers
- B60G13/02—Resilient suspensions characterised by arrangement, location or type of vibration dampers having dampers dissipating energy, e.g. frictionally
- B60G13/06—Resilient suspensions characterised by arrangement, location or type of vibration dampers having dampers dissipating energy, e.g. frictionally of fluid type
- B60G13/08—Resilient suspensions characterised by arrangement, location or type of vibration dampers having dampers dissipating energy, e.g. frictionally of fluid type hydraulic
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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
- F16F15/02—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
- F16F15/023—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 fluid means
- F16F15/027—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 fluid means comprising control arrangements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2202/00—Indexing codes relating to the type of spring, damper or actuator
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2202/00—Indexing codes relating to the type of spring, damper or actuator
- B60G2202/20—Type of damper
- B60G2202/24—Fluid damper
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Aviation & Aerospace Engineering (AREA)
- Fluid-Damping Devices (AREA)
Abstract
The invention relates to the technical field of buffer cylinders, in particular to a buffer cylinder for damping of a vehicle, which comprises a cylinder body, wherein one side of the cylinder body is provided with a first flange, the other side of the cylinder body is provided with a second flange, the middle part of the second flange is provided with a piston rod, one end of the piston rod penetrates through a through hole in the middle of the second flange and extends into the cylinder body, the other end of the piston rod is exposed out of the cylinder body, a first nitrogen cavity, a second nitrogen cavity and a third nitrogen cavity are sequentially arranged in the cylinder body from left to right, the inner wall of the cylinder body is provided with a first partition plate and a second partition plate, and the first partition. According to the buffer oil cylinder for vehicle damping, the buffer oil cylinder is adopted to replace an energy accumulator used for damping of an original vehicle, and meanwhile, the pressure of the filled nitrogen is in an adjustable state, so that the buffer oil cylinder not only is suitable for damping of vehicles with different loading weights, but also better enables left and right oil cylinders of the vehicle to be in a balanced state basically, and enables left and right cargo platforms of the vehicle to be kept in a horizontal state.
Description
Technical Field
The invention relates to the technical field of buffer oil cylinders, in particular to a buffer oil cylinder for damping a vehicle.
Background
In the prior art, the conventional road transportation of the precision instruments is usually carried out by using an air cushion vehicle (namely an air suspension vehicle) or a hydraulic suspension vehicle, the air cushion vehicle has a damping effect by utilizing the characteristics that air can be compressed and the height of a height valve is adjusted, but the carrying capacity is smaller; the damping of the hydraulic suspension is usually achieved through the mode that oil is mixed between the lifting oil cylinders and the traditional energy accumulator absorbs impact, the mode has an effect on damping of the vehicle, but the damping effect of the vehicle can be influenced by the fact that the damping device is hardly suitable for different load weights of the same vehicle, and the balance of the left side and the right side of the vehicle cannot be achieved.
Disclosure of Invention
The invention aims to solve the defects in the prior art and provides a buffer oil cylinder for vehicle shock absorption.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides a buffer cylinder for vehicle shock attenuation, includes the cylinder body, one side of cylinder body is equipped with first flange, and the opposite side of cylinder body is equipped with the second flange, and the middle part of second flange is equipped with the piston rod, and the through-hole in the middle of the second flange is passed to the one end of piston rod stretches into in the cylinder body, and the piston rod other end exposes in the cylinder body, is equipped with first nitrogen chamber, second nitrogen chamber and third nitrogen chamber from a left side to the right side in proper order in the cylinder body, and the inner wall of cylinder body is equipped with first baffle and second baffle, and all is equipped with the through-hole.
Preferably, when the pressure is released, the first nitrogen cavity, the second nitrogen cavity and the third nitrogen cavity are communicated with each other.
Preferably, the third nitrogen chamber is disconnected from the first and second nitrogen chambers when the regular vehicle travels.
Preferably, a first piston is arranged in the first nitrogen cavity in a sliding mode, and the first piston divides one side of the first nitrogen cavity to form a pressurizing cavity.
Preferably, a second piston is arranged in the second nitrogen cavity in a sliding mode, the second piston is fixedly connected with one end of a piston rod arranged in the cylinder body, one side of the second nitrogen cavity is divided by the second piston to form a first balance cavity, and one side of the first balance cavity is connected with a lifting oil cylinder on the left side of the vehicle.
Preferably, a third piston is arranged in the third nitrogen cavity in a sliding mode, the third piston is fixedly connected with the middle of a piston rod arranged in the cylinder body, the third piston separates one side of the third nitrogen cavity to form a second balance cavity, and one side of the second balance cavity is connected with a lifting oil cylinder on the right side of the vehicle.
The invention has the beneficial effects that:
according to the buffer oil cylinder for vehicle damping, the buffer oil cylinder is adopted to replace an energy accumulator used for damping of an original vehicle, and meanwhile, the pressure of the filled nitrogen is in an adjustable state, so that the buffer oil cylinder not only is suitable for damping of vehicles with different loading weights, but also better enables left and right oil cylinders of the vehicle to be in a balanced state basically, and enables left and right cargo platforms of the vehicle to be kept in a horizontal state.
Drawings
FIG. 1 is a schematic structural view of a cushion cylinder for vehicle shock absorption before use according to the present invention;
fig. 2 is a schematic structural view of a shock absorbing cylinder for a vehicle in a front view.
In the figure: 1 cylinder body, 201 first flange, 202 second flange, 301 first piston, 302 second piston, 303 third piston, 4 piston rods, 5 pressurizing cavities, 6 first nitrogen gas cavity, 7 second nitrogen gas cavity, 8 first balance cavity, 9 third nitrogen gas cavity, 10 second balance cavity, 111 first partition plate and 112 second partition plate.
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.
Referring to fig. 1-2, a buffer cylinder for damping of a vehicle includes a cylinder body 1, wherein one side of the cylinder body 1 is provided with a first flange 201, the other side of the cylinder body 1 is provided with a second flange 202, the middle part of the second flange 202 is provided with a piston rod 4, one end of the piston rod 4 passes through a through hole in the middle of the second flange 202 and extends into the cylinder body 1, the other end of the piston rod 4 is exposed out of the cylinder body 1, the inner wall of the cylinder body 1 is provided with a first partition plate 111 and a second partition plate 112, and the first partition plate 111 and the second partition plate 112 are both provided with;
a first nitrogen cavity 6, a second nitrogen cavity 7 and a third nitrogen cavity 9 are sequentially arranged in the cylinder body 1 from left to right, a first piston 301 is slidably arranged in the first nitrogen cavity 6, and one side of the first nitrogen cavity 6 is partitioned by the first piston 301 to form a pressing cavity 5;
when the pressure is released, the first nitrogen cavity 6, the second nitrogen cavity 7 and the third nitrogen cavity 9 are communicated, and when a conventional vehicle runs, the third nitrogen cavity 9 is disconnected from the first nitrogen cavity 6 and the second nitrogen cavity 7, so that the volume of nitrogen can be better regulated through the pressing and releasing of the first nitrogen cavity 6, and the pressure of the nitrogen is adjusted, so that the pressure regulator can be suitable for various load capacities of the vehicle and various pressures of a rear lifting oil cylinder;
a second piston 302 is arranged in the second nitrogen gas cavity 7 in a sliding manner, the second piston 302 is fixedly connected with one end of a piston rod 4 arranged in the cylinder body 1, one side of the second nitrogen gas cavity 7 is partitioned by the second piston 302 to form a first balance cavity 8, and one side of the first balance cavity 8 is connected with a lifting oil cylinder on the left side of the vehicle, so that left and right oil cylinders of the vehicle are basically in a balance state, and left and right goods platforms of the vehicle are kept in a horizontal state;
a third piston 303 is arranged in the third nitrogen cavity 9 in a sliding mode, the third piston 303 is fixedly connected with the middle of a piston rod 4 arranged in the cylinder body 1, one side of the third nitrogen cavity 9 is partitioned by the third piston 303 to form a second balance cavity 10, and one side of the second balance cavity 10 is connected with a lifting oil cylinder on the right side of the vehicle, so that left and right oil cylinders of the vehicle are basically in a balance state, and left and right cargo platforms of the vehicle are kept in a horizontal state.
In the embodiment, when the buffer oil cylinder for damping the vehicle is used, the cylinder body 1 mainly comprises six cavities, namely a pressurizing cavity 5, a first nitrogen cavity 6, a second nitrogen cavity 7, a first balance cavity 8, a third nitrogen cavity 9 and a second balance cavity 10;
the first nitrogen cavity 6, the second nitrogen cavity 7 and the third nitrogen cavity 9 are filled with nitrogen, when the pressure is released, the first nitrogen cavity 6, the second nitrogen cavity 7 and the third nitrogen cavity 9 are communicated, and when a conventional vehicle runs, the third nitrogen cavity 9 is disconnected from the first nitrogen cavity 6 and the second nitrogen cavity 7;
furthermore, the first balance cavity 8 and the second balance cavity 10 are respectively connected with the left lifting oil cylinder and the right lifting oil cylinder of the vehicle, and simultaneously, due to the action of the piston rod 4, the first balance cavity 8 and the second balance cavity 10 can be ensured to have the same volume, the left oil cylinder and the right oil cylinder of the vehicle are ensured to be basically in a balance state, and the left goods table surface and the right goods table surface of the vehicle are kept in a horizontal state;
when the vehicle is used, due to the fact that the load capacity of the vehicle is different, the pressure of the suspended hydraulic oil cylinder is different, the oil cylinder can adjust the volume of nitrogen through the pressurizing and pressure relief of the pressurizing cavity 5, and therefore the pressure of the nitrogen is adjusted, the nitrogen can be suitable for various load capacities of the vehicle and various pressures of the rear lifting oil cylinder;
the buffer oil cylinder for damping the vehicle adopts the buffer oil cylinder to replace an energy accumulator used for damping the original vehicle, and simultaneously, the pressure of the filled nitrogen is in an adjustable state, so that the buffer oil cylinder not only is suitable for damping the vehicles with different carrying capacities, but also better enables the left oil cylinder and the right oil cylinder of the vehicle to be in a balanced state basically, and enables the left goods table and the right goods table of the vehicle to be kept in a horizontal state.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (6)
1. The utility model provides a buffer cylinder for vehicle shock attenuation, including cylinder body (1), a serial communication port, one side of cylinder body (1) is equipped with first flange (201), the opposite side of cylinder body (1) is equipped with second flange (202), the middle part of second flange (202) is equipped with piston rod (4), the through-hole in the middle of second flange (202) is passed to the one end of piston rod (4) stretches into in cylinder body (1), the piston rod (4) other end exposes in cylinder body (1), be equipped with first nitrogen gas chamber (6), second nitrogen gas chamber (7) and third nitrogen gas chamber (9) from a left side to the right side in proper order in cylinder body (1), the inner wall of cylinder body (1) is equipped with first baffle (111) and second baffle (112), and all be equipped with the through-hole on first baffle (111) and second baffle (112).
2. The cushion cylinder for vehicle shock absorption according to claim 1, wherein the first nitrogen chamber (6), the second nitrogen chamber (7) and the third nitrogen chamber (9) are communicated with each other when pressure is released.
3. The cushion cylinder for vehicle shock absorption according to claim 1, wherein the third nitrogen chamber (9) is disconnected from the first nitrogen chamber (6) and the second nitrogen chamber (7) during normal vehicle running.
4. The cushion cylinder for shock absorption of a vehicle according to claim 1, wherein a first piston (301) is slidably disposed in the first nitrogen chamber (6), and the first piston (301) partitions one side of the first nitrogen chamber (6) to form a pressing chamber (5).
5. The cushion cylinder for the shock absorption of the vehicle according to claim 1, wherein a second piston (302) is slidably arranged in the second nitrogen chamber (7), the second piston (302) is fixedly connected with one end of a piston rod (4) arranged in the cylinder body (1), the second piston (302) partitions one side of the second nitrogen chamber (7) to form a first balance chamber (8), and one side of the first balance chamber (8) is connected with a left-side lifting cylinder of the vehicle.
6. The cushion cylinder for the vehicle shock absorption according to claim 1, wherein a third piston (303) is slidably disposed in the third nitrogen chamber (9), the third piston (303) is fixedly connected to the middle of the piston rod (4) disposed in the cylinder body (1), the third piston (303) partitions one side of the third nitrogen chamber (9) to form a second balance chamber (10), and one side of the second balance chamber (10) is connected to the lift cylinder on the right side of the vehicle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010852169.5A CN111981083A (en) | 2020-08-21 | 2020-08-21 | Buffer oil cylinder for vehicle shock absorption |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010852169.5A CN111981083A (en) | 2020-08-21 | 2020-08-21 | Buffer oil cylinder for vehicle shock absorption |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111981083A true CN111981083A (en) | 2020-11-24 |
Family
ID=73443948
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010852169.5A Pending CN111981083A (en) | 2020-08-21 | 2020-08-21 | Buffer oil cylinder for vehicle shock absorption |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111981083A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114412885A (en) * | 2022-01-20 | 2022-04-29 | 中山大学·深圳 | Method and device for improving mechanical flexibility of hydraulic valve cylinder control system |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10356438B3 (en) * | 2003-12-03 | 2005-05-19 | Continental Aktiengesellschaft | Pneumatic spring-damper unit for automobile has damping spaces defined within cylinder housing by piston unit with 2 separation pistons and spring space defined by rolled bellows around projecting piston rod |
| DE102004034706B3 (en) * | 2004-07-17 | 2006-02-23 | Stabilus Gmbh | Gas spring for tailgate or boot (trunk) lid of motor vehicle has equalizing cavity for pressure fluid |
| CN103352949A (en) * | 2013-08-02 | 2013-10-16 | 安吉宏峰气弹簧科技有限公司 | Expansion link and telescopic structure unit thereof |
| CN103410908A (en) * | 2013-07-14 | 2013-11-27 | 苏州萃智新技术开发有限公司 | Regulating type hydraulic damper |
| CN106494178A (en) * | 2016-11-03 | 2017-03-15 | 管中林 | A kind of multi-functional interconnection automobile suspension system |
| CN110131354A (en) * | 2018-02-08 | 2019-08-16 | 本田技研工业株式会社 | Dampening arrangement |
-
2020
- 2020-08-21 CN CN202010852169.5A patent/CN111981083A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10356438B3 (en) * | 2003-12-03 | 2005-05-19 | Continental Aktiengesellschaft | Pneumatic spring-damper unit for automobile has damping spaces defined within cylinder housing by piston unit with 2 separation pistons and spring space defined by rolled bellows around projecting piston rod |
| DE102004034706B3 (en) * | 2004-07-17 | 2006-02-23 | Stabilus Gmbh | Gas spring for tailgate or boot (trunk) lid of motor vehicle has equalizing cavity for pressure fluid |
| CN103410908A (en) * | 2013-07-14 | 2013-11-27 | 苏州萃智新技术开发有限公司 | Regulating type hydraulic damper |
| CN103352949A (en) * | 2013-08-02 | 2013-10-16 | 安吉宏峰气弹簧科技有限公司 | Expansion link and telescopic structure unit thereof |
| CN106494178A (en) * | 2016-11-03 | 2017-03-15 | 管中林 | A kind of multi-functional interconnection automobile suspension system |
| CN110131354A (en) * | 2018-02-08 | 2019-08-16 | 本田技研工业株式会社 | Dampening arrangement |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114412885A (en) * | 2022-01-20 | 2022-04-29 | 中山大学·深圳 | Method and device for improving mechanical flexibility of hydraulic valve cylinder control system |
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| 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 | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20201124 |