CN113339441A - Fluid medium's buffering damping mechanism and vehicle - Google Patents
Fluid medium's buffering damping mechanism and vehicle Download PDFInfo
- Publication number
- CN113339441A CN113339441A CN202110536329.XA CN202110536329A CN113339441A CN 113339441 A CN113339441 A CN 113339441A CN 202110536329 A CN202110536329 A CN 202110536329A CN 113339441 A CN113339441 A CN 113339441A
- Authority
- CN
- China
- Prior art keywords
- fluid medium
- cylinder barrel
- damping
- energy storage
- storage container
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- Pending
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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
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/06—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium using both gas and liquid
- F16F9/08—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium using both gas and liquid where gas is in a chamber with a flexible wall
- F16F9/082—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium using both gas and liquid where gas is in a chamber with a flexible wall characterised by the hydropneumatic accumulator
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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
- F16F13/00—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs
- F16F13/005—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs comprising both a wound spring and a damper, e.g. a friction damper
- F16F13/007—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs comprising both a wound spring and a damper, e.g. a friction damper the damper being a fluid damper
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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
- F16F13/00—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs
- F16F13/04—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs comprising both a plastics spring and a damper, e.g. a friction damper
- F16F13/06—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs comprising both a plastics spring and a damper, e.g. a friction damper the damper being a fluid damper, e.g. the plastics spring not forming a part of the wall of the fluid chamber of the damper
- F16F13/08—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs comprising both a plastics spring and a damper, e.g. a friction damper the damper being a fluid damper, e.g. the plastics spring not forming a part of the wall of the fluid chamber of the damper the plastics spring forming at least a part of the wall of the fluid chamber of the damper
- F16F13/085—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs comprising both a plastics spring and a damper, e.g. a friction damper the damper being a fluid damper, e.g. the plastics spring not forming a part of the wall of the fluid chamber of the damper the plastics spring forming at least a part of the wall of the fluid chamber of the damper characterised by features of plastics springs; Attachment arrangements
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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
- F16F13/00—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs
- F16F13/04—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs comprising both a plastics spring and a damper, e.g. a friction damper
- F16F13/06—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs comprising both a plastics spring and a damper, e.g. a friction damper the damper being a fluid damper, e.g. the plastics spring not forming a part of the wall of the fluid chamber of the damper
- F16F13/20—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs comprising both a plastics spring and a damper, e.g. a friction damper the damper being a fluid damper, e.g. the plastics spring not forming a part of the wall of the fluid chamber of the damper characterised by comprising also a pneumatic spring
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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
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/32—Details
- F16F9/3207—Constructional features
-
- 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
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/32—Details
- F16F9/43—Filling or drainage arrangements, e.g. for supply of gas
- F16F9/435—Filling or drainage arrangements, e.g. for supply of gas via opening in cylinder wall
Abstract
The invention discloses a fluid medium buffer damping mechanism and a vehicle, comprising: the cylinder barrel and the piston rod which can be slidably and telescopically arranged in the cylinder barrel are divided into two closed cavities by the piston rod; a damping force application part is arranged in one cavity of the cylinder barrel, and the damping force application part has an inertia force which is restored to a normal state after being deformed; the other cavity of the cylinder barrel is communicated with a rigid energy storage container through a pipeline, and a first fluid medium is filled in the energy storage container, the pipeline and the other cavity space of the cylinder barrel; an elastically deformable air bag is arranged in the energy storage container, and a second fluid medium is filled in the air bag to form a dynamic damping part; when the piston rod does piston motion in the cylinder barrel, the first fluid medium in the energy storage container exchanges with the first fluid medium in the cylinder barrel through the pipeline buffering by the damping buffering force of the air bag, the problem that nitrogen released in the air bag instantly impacts and enters the damping cylinder is solved, and the damping performance of the damping device is improved.
Description
Technical Field
The invention relates to a fluid medium buffering and vibration damping mechanism and a vehicle, and belongs to the technical field of vehicle vibration damping.
Background
During capital construction, the working condition environment of an all-terrain engineering truck for construction is complex, in order to adapt to the complex working condition environment, the all-terrain engineering truck adapting to the construction environment and all terrain needs to be developed, the axle damping performance of the all-terrain engineering truck is one of performance indexes for evaluating the environment adaptability of the all-terrain engineering truck, the air bag containing a compressed fluid medium is too close to the compression rod part at present, and the compression rod part is generally in the open environment on the axle and is easily damaged by high temperature, corrosive liquid, sharp objects and the like;
in a Chinese patent publication No. CN208793508U, an adjustable damping shock absorber with an external airbag is disclosed, which comprises the following steps: the damping cylinder is communicated with the damping cylinder, the damping cylinder is communicated with the control valve through the connecting valve and the pipeline, the control valve is communicated with the air bag, nitrogen in the air bag enters the damping cylinder and the damping cylinder through the pipeline and the connecting valve, so that the sliding rod extends in the damping cylinder, the spring rebounds, and the whole damping process is completed; the gasbag has avoided the gasbag to be in open environment and has damaged the problem easily through pipeline intercommunication damping cylinder, but, releases in the gasbag nitrogen gas and is the moment of impact when getting into the damping cylinder, has reduced absorbing performance.
Disclosure of Invention
In order to solve the technical problem, the invention provides a fluid medium buffering and vibration damping mechanism and a vehicle.
The invention is realized by the following technical scheme.
The invention provides an oil-gas damping device, which comprises: the cylinder barrel and the piston rod which can be slidably and telescopically arranged in the cylinder barrel are divided into two closed cavities by the piston rod; a damping force application part is arranged in one cavity of the cylinder barrel, and the damping force application part has an inertia force which is restored to a normal state after being deformed; the other cavity of the cylinder barrel is communicated with a rigid energy storage container through a pipeline, and a first fluid medium is filled in the energy storage container, the pipeline and the other cavity space of the cylinder barrel; an elastically deformable air bag is arranged in the energy storage container, and a second fluid medium is filled in the air bag to form a dynamic damping part.
The damping force application part is sleeved outside the piston rod, and two ends of the damping force application part are abutted against the piston rod and the cylinder barrel.
The damping force application part is arranged between the piston rod and the inner wall of the cylinder barrel, and two ends of the damping force application part are abutted against the piston rod and the cylinder barrel.
The damping force application part is a spring.
The energy storage container is far away from the cylinder and is externally arranged.
Both the second fluid medium and the first fluid medium may be oil or gas.
One part of the air bag penetrates through one part of the side wall of the energy storage container in a sealed mode and is communicated with the valve body in a sealed mode, the rest parts of the air bag are spaced from the energy storage container, and a second fluid medium is filled into the air bag through the valve body, so that the air bag can have more stress surfaces when elastically deformed; the air bag is positioned in the energy storage container to separate the first fluid medium, and when the pressure of the first fluid medium is increased and the second fluid medium is filled, the valve body can be prevented from being blocked by impurities falling from the friction of the piston rod and the cylinder barrel;
the second fluid medium density is less than the first fluid medium density, and the damping performance and the state of the air bag are guaranteed.
The outer end of the cylinder barrel and the outer end of the piston rod are provided with through holes convenient for connection and installation.
The utility model provides an all-terrain engineering truck, is including receiving the first part of vibrations and receiving the second part of vibrations, first part and second part correspond respectively with oil gas damping device's cylinder outer end through-hole and piston rod outer end through-hole fixed connection.
The first component and the second component correspond to an axle and a frame, respectively.
The invention has the beneficial effects that: when the piston rod does piston motion in the cylinder barrel, the first fluid medium in the energy storage container exchanges with the first fluid medium in the cylinder barrel through the pipeline buffering by the damping buffering force of the air bag, the problem that nitrogen released in the air bag instantly impacts and enters the damping cylinder is solved, and the damping performance of the damping device is improved.
Drawings
FIG. 1 is a schematic structural view of the present invention;
in the figure: 1-a cylinder barrel; 2-damping force application members; 3-a piston rod; 4-a pipeline; 5-an energy storage container; 6-air bag; 7-a valve body; 8-a first fluid medium; 9-a second fluid medium.
Detailed Description
The technical solution of the present invention is further described below, but the scope of the claimed invention is not limited to the described.
As described with reference to fig. 1.
The invention relates to an oil-gas damping device, which comprises: the cylinder barrel 1 and the piston rod 3 which can be slidably and telescopically arranged in the cylinder barrel 1, wherein the cylinder barrel 1 is divided into two closed cavities by the piston rod 3; a damping force application piece 2 is installed in one cavity of the cylinder barrel 1, and the damping force application piece 2 has an inertia force which is restored to a normal state after deformation; the damping force application part 2 can be sleeved outside the piston rod 3, and two ends of the damping force application part are abutted against the piston rod 3 and the cylinder barrel 1; the damping force application piece 2 can also be arranged between the piston rod 3 and the inner wall of the cylinder barrel 1, and two ends of the damping force application piece are abutted against the piston rod 3 and the cylinder barrel 1; the damping force application part 2 can be a hollow elastic rubber column or a rubber ring, and is preferably a spring; the other cavity of the cylinder barrel 1 is communicated with a rigid energy storage container 5 through a pipeline 4, the energy storage container 5 is arranged outside the cylinder barrel 1, and the energy storage container 5 is arranged outside the cylinder barrel 1, so that the problem of destructive damage caused by exposure of the energy storage container 5 in an external environment is avoided, and the overall stability and reliability of the damping device are improved; the energy storage container 5, the pipeline 4 and the other cavity space of the cylinder barrel 1 are filled with first fluid media 8 such as oil, gas and the like; an elastically deformable air bag 6 is arranged in the energy storage container 5, second fluid media 9 such as oil, gas and the like are filled in the air bag 6 to form a dynamic damping part, when the piston rod 3 does piston motion in the cylinder barrel 1, the first fluid media 8 in the energy storage container 5 are buffered by the damping buffer force of the air bag 6 and exchanged with the first fluid media 8 in the cylinder barrel 1 through the pipeline 4, the problem that nitrogen released in the air bag instantly impacts and enters the damping cylinder is solved, and the damping performance of the damping device is improved.
One part of the air bag 6 penetrates through one part of the side wall of the energy storage container 5 in a sealed mode and is communicated with the valve body 7 in a sealed mode, the rest parts of the air bag 6 are spaced from the energy storage container 5, the air bag 6 can be guaranteed to have a plurality of stress surfaces which are in contact with the first fluid medium 8 when elastically deforming, when the air bag 6 deforms in a damping mode, the irregular deformation of the stress surfaces forms better damping performance, and the second fluid medium 9 is filled into the air bag 6 through the valve body 7; the air bag 6 is positioned in the energy storage container 5 to separate the first fluid medium 8, and when the pressure of the first fluid medium 8 is increased and the second fluid medium 9 is filled, the valve body 7 can be prevented from being blocked by impurities falling from the friction between the piston rod 3 and the cylinder barrel 1; in order to ensure the damping and the state of the gas bag 6, the density of the second fluid medium 9 is lower than that of the first fluid medium 8, for example, the second fluid medium 9 is gas, and the first fluid medium 8 is oil; the outer end of the cylinder barrel 1 and the outer end of the piston rod 3 are provided with through holes convenient for connection and installation.
The utility model provides an all-terrain engineering truck, includes the first part that receives vibrations and receives the second part of vibrations, and first part and second part correspond respectively and use bolt or screw and 1 outer end through-hole of cylinder and 3 outer end through-holes fixed connection of piston rod of oil gas damping device, and first part and second part can correspond axle and frame, also can be other arbitrary two parts that receive vibrations.
Claims (10)
1. A fluid medium cushioning mechanism, comprising: the cylinder barrel (1) and a piston rod (3) which is slidably and telescopically arranged in the cylinder barrel (1), wherein the cylinder barrel (1) is divided into two closed cavities by the piston rod (3); a damping force application piece (2) is installed in one cavity of the cylinder barrel (1), and the damping force application piece (2) has an inertia force which is restored to a normal state after deformation; the other cavity of the cylinder barrel (1) is communicated with an energy storage container (5) through a pipeline (4), and a first fluid medium (8) is filled in the energy storage container (5), the pipeline (4) and the other cavity space of the cylinder barrel (1); an elastically deformable air bag (6) is arranged in the energy storage container (5), and a second fluid medium (9) is filled in the air bag (6) to form a dynamic damping part.
2. A fluid medium cushioning mechanism according to claim 1, wherein: the damping force application piece (2) is sleeved outside the piston rod (3), and two ends of the damping force application piece are abutted against the piston rod (3) and the cylinder barrel (1).
3. A fluid medium cushioning mechanism according to claim 1, wherein: the damping force application piece (2) is installed between the piston rod (3) and the inner wall of the cylinder barrel (1), and two ends of the damping force application piece are abutted against the piston rod (3) and the cylinder barrel (1).
4. A fluid medium damping mechanism according to claim 1, 2 or 3, wherein: the damping force application part (2) is a spring, and the energy storage container (5) is a rigid part; the energy storage container (5) is arranged outside far away from the cylinder barrel (1).
5. A fluid medium cushioning mechanism according to claim 4, wherein: an elastically deformable air bag (6) is arranged in the energy storage container (5), and a second fluid medium (9) is filled in the air bag (6) to form a dynamic damping part.
6. A fluid medium cushioning mechanism according to claim 5, wherein: both the second fluid medium (9) and the first fluid medium (8) may be oil or gas.
7. A fluid medium cushioning mechanism according to claim 6, wherein: one part of the air bag (6) penetrates through one part of the side wall of the energy storage container (5) in a sealed mode and is communicated with the valve body (7) in a sealed mode, the rest part of the air bag (6) is spaced from the energy storage container (5), and a second fluid medium (9) is filled into the air bag (6) through the valve body (7); the air bag (6) is positioned in the energy storage container (5) to separate the first fluid medium (8).
8. The fluid medium damping mechanism and the vehicle according to claim 7, wherein: the second fluid medium (9) has a density which is less than the density of the first fluid medium (8).
9. A vehicle, comprising a first component and a second component, wherein the first component and the second component are respectively and correspondingly fixedly connected with the through hole at the outer end of the cylinder barrel (1) and the through hole at the outer end of the piston rod (3) of the oil-gas damping device as claimed in any one of claims 1 to 7.
10. The vehicle of claim 9, characterized in that: the first component and the second component correspond to an axle and a frame, respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110536329.XA CN113339441A (en) | 2021-05-17 | 2021-05-17 | Fluid medium's buffering damping mechanism and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110536329.XA CN113339441A (en) | 2021-05-17 | 2021-05-17 | Fluid medium's buffering damping mechanism and vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113339441A true CN113339441A (en) | 2021-09-03 |
Family
ID=77470484
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110536329.XA Pending CN113339441A (en) | 2021-05-17 | 2021-05-17 | Fluid medium's buffering damping mechanism and vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113339441A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115198892A (en) * | 2022-08-30 | 2022-10-18 | 济宁一建钢结构工程有限公司 | Assembled underground passage steel structure system and construction method thereof |
| CN115198892B (en) * | 2022-08-30 | 2024-04-26 | 济宁一建钢结构工程有限公司 | Assembled underground passage steel structure system and construction method thereof |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2261849A1 (en) * | 1996-07-24 | 1998-01-29 | Pierre De Frenne | Oil damper system |
| EP0891884A2 (en) * | 1994-08-05 | 1999-01-20 | Yamaha Hatsudoki Kabushiki Kaisha | Suspension system |
| CN201041213Y (en) * | 2007-05-25 | 2008-03-26 | 江苏大学 | Split type adjustable air chamber pressure multi-stage damping absorber |
| CN202914612U (en) * | 2012-10-23 | 2013-05-01 | 长春孔辉汽车科技有限公司 | Push rod type variable rigidity adjustable oil gas spring |
| CN104047987A (en) * | 2014-06-18 | 2014-09-17 | 江苏大学 | Novel hydro-pneumatic spring |
| CN105874238A (en) * | 2013-12-20 | 2016-08-17 | Ｋｙｂ株式会社 | Shock absorber |
| TWM567824U (en) * | 2017-12-07 | 2018-10-01 | 李忠家 | Shock absorber |
| CN210565988U (en) * | 2019-08-17 | 2020-05-19 | 泉州市博汉机械股份有限公司 | Novel shock absorber |
-
2021
- 2021-05-17 CN CN202110536329.XA patent/CN113339441A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0891884A2 (en) * | 1994-08-05 | 1999-01-20 | Yamaha Hatsudoki Kabushiki Kaisha | Suspension system |
| CA2261849A1 (en) * | 1996-07-24 | 1998-01-29 | Pierre De Frenne | Oil damper system |
| CN201041213Y (en) * | 2007-05-25 | 2008-03-26 | 江苏大学 | Split type adjustable air chamber pressure multi-stage damping absorber |
| CN202914612U (en) * | 2012-10-23 | 2013-05-01 | 长春孔辉汽车科技有限公司 | Push rod type variable rigidity adjustable oil gas spring |
| CN105874238A (en) * | 2013-12-20 | 2016-08-17 | Ｋｙｂ株式会社 | Shock absorber |
| CN104047987A (en) * | 2014-06-18 | 2014-09-17 | 江苏大学 | Novel hydro-pneumatic spring |
| TWM567824U (en) * | 2017-12-07 | 2018-10-01 | 李忠家 | Shock absorber |
| CN210565988U (en) * | 2019-08-17 | 2020-05-19 | 泉州市博汉机械股份有限公司 | Novel shock absorber |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115198892A (en) * | 2022-08-30 | 2022-10-18 | 济宁一建钢结构工程有限公司 | Assembled underground passage steel structure system and construction method thereof |
| CN115198892B (en) * | 2022-08-30 | 2024-04-26 | 济宁一建钢结构工程有限公司 | Assembled underground passage steel structure system and construction method thereof |
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| PB01 | Publication | ||
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Application publication date: 20210903 |