CN111075881A - Vehicle body active balancing system - Google Patents

Vehicle body active balancing system Download PDF

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Publication number
CN111075881A
CN111075881A CN201811216302.7A CN201811216302A CN111075881A CN 111075881 A CN111075881 A CN 111075881A CN 201811216302 A CN201811216302 A CN 201811216302A CN 111075881 A CN111075881 A CN 111075881A
Authority
CN
China
Prior art keywords
oil
balancing system
active balancing
supply mechanism
vehicle bodies
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
Application number
CN201811216302.7A
Other languages
Chinese (zh)
Inventor
池君臣
李勇
陈俊虎
张飞
弓康
黄汉军
肖鹏
梅书平
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hubei Huoxing Fire Vehicle Equipment Co ltd
Original Assignee
Hubei Huoxing Fire Vehicle Equipment Co ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Hubei Huoxing Fire Vehicle Equipment Co ltd filed Critical Hubei Huoxing Fire Vehicle Equipment Co ltd
Priority to CN201811216302.7A priority Critical patent/CN111075881A/en
Priority to PCT/CN2018/116297 priority patent/WO2020077728A1/en
Publication of CN111075881A publication Critical patent/CN111075881A/en
Pending legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G17/00—Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load
    • B60G17/06—Characteristics of dampers, e.g. mechanical dampers
    • B60G17/08—Characteristics of fluid dampers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G21/00—Interconnection systems for two or more resiliently-suspended wheels, e.g. for stabilising a vehicle body with respect to acceleration, deceleration or centrifugal forces
    • B60G21/02—Interconnection systems for two or more resiliently-suspended wheels, e.g. for stabilising a vehicle body with respect to acceleration, deceleration or centrifugal forces permanently interconnected
    • B60G21/06—Interconnection systems for two or more resiliently-suspended wheels, e.g. for stabilising a vehicle body with respect to acceleration, deceleration or centrifugal forces permanently interconnected fluid
    • B60G21/067—Interconnection systems for two or more resiliently-suspended wheels, e.g. for stabilising a vehicle body with respect to acceleration, deceleration or centrifugal forces permanently interconnected fluid between wheels on different axles on the same side of the vehicle, i.e. the left or the right side
    • 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
    • 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
    • F16F13/26—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 characterised by adjusting or regulating devices responsive to exterior conditions
    • 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
    • F16F13/26—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 characterised by adjusting or regulating devices responsive to exterior conditions
    • F16F13/262—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 characterised by adjusting or regulating devices responsive to exterior conditions changing geometry of passages between working and equilibration chambers, e.g. cross-sectional area or length
    • 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
    • F16F9/10—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium using liquid only; using a fluid of which the nature is immaterial
    • 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
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2500/00—Indexing codes relating to the regulated action or device
    • B60G2500/30—Height or ground clearance
    • 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
    • F16F2222/00—Special physical effects, e.g. nature of damping effects
    • F16F2222/12—Fluid damping
    • 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
    • F16F2230/00—Purpose; Design features
    • F16F2230/0011—Balancing, e.g. counterbalancing to produce static balance
    • 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
    • F16F2230/00—Purpose; Design features
    • F16F2230/06—Fluid filling or discharging

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Vehicle Body Suspensions (AREA)

Abstract

The invention discloses an active balance system of a vehicle body, belongs to the field of vehicle balance devices, and is used for solving the problems that all shock absorbers in the existing shock absorber system are of independent structures, the length of the shock absorber is a fixed value in a free state, and the shock absorber cannot be actively adjusted. The vehicle comprises at least two supporting units with variable volume and used for supporting a vehicle body and wheels, and an oil supply mechanism for supplying oil to each supporting unit, wherein the supporting units are arranged in parallel; the oil supply mechanism is used for respectively supplying media to the support units and extending the support units through the supplied media. The technical scheme can reduce the height difference between the wheel falling back and the road surface after the wheel is vacated, and reduce the impact of falling to the ground after vacated; meanwhile, when one or more wheels are in a pit suspension state, the suspension wheels can be in contact with the road surface by extending the length of the supporting unit, so that the suspension wheels are separated from the suspension state.

Description

Vehicle body active balancing system
Technical Field
The invention belongs to the field of vehicle balancing devices, and particularly relates to an active balancing system for a vehicle body.
Background
The vehicle passes through the wheel and traveles, because the road conditions is different between each vehicle and the bottom surface in the driving process, the reaction force that it received will also be different, jolts easily appearing, for this reason, each wheel all sets up the shock attenuation, reduces the condition of jolting of automobile body in the driving process.
However, each shock absorption in the current shock absorption system is an independent structure, and the length of the shock absorption is a fixed value in a free state, so that the shock absorption system cannot be actively adjusted.
Disclosure of Invention
The invention aims to provide a vehicle body active balancing system which overcomes the defects in the prior art. In order to achieve the technical purpose, the technical scheme adopted by the invention is as follows:
an active balance system of a vehicle body comprises at least two supporting units which are used for supporting the variable volume between the vehicle body and wheels and an oil supply mechanism for supplying oil to each supporting unit, wherein each supporting unit is arranged in parallel; the oil supply mechanism is used for respectively supplying media to the support units and extending the support units through the supplied media.
According to the invention adopting the technical scheme, the oil supply mechanism is used for supplying media such as hydraulic oil into the supporting unit and extending the length of the supporting unit through the media supply; when one or more wheels are emptied in the running process of the vehicle, oil is supplied to each supporting unit through the oil supply mechanism, the supporting units extend for length, and the wheels are pushed away from the vehicle body through the extension of the supporting units, so that the wheels approach to the road surface, the height difference between the wheels and the road surface when the wheels fall back is reduced, and the impact of falling to the ground after emptying is reduced; meanwhile, when one or more wheels are in a pit suspension state, the suspension wheels can be in contact with the road surface by extending the length of the supporting unit, so that the suspension wheels are separated from the suspension state.
Further inject, the supporting unit includes shock attenuation body and grease chamber, the grease chamber overlaps in shock attenuation body pneumatic cylinder tip, shock attenuation body pneumatic cylinder outer wall and grease chamber inner wall be airtight connection, the grease chamber bottom is through tube coupling fuel feeding mechanism.
The oil supply mechanism supplies oil to the oil chamber to push the damping body outwards so as to adjust the length of the supporting unit.
Further inject, the fuel feeding mechanism includes batch oil tank and oil pump, below the oil pump oil inlet end intercommunication batch oil tank liquid level, the oil pump goes out oil end and each support element intercommunication after parallelly connected.
Each supporting unit is arranged in parallel, and the parallel arrangement is convenient for controlling each supporting unit respectively.
Further limiting, an electromagnetic sub-control valve is arranged on each oil chamber outlet parallel front pipeline.
The opening and closing state of the independent pipelines of each oil chamber is controlled by controlling the electromagnetic sub-control valves, the electromagnetic sub-control valves corresponding to the oil chambers are in a normally closed state, and hydraulic oil is conveniently supplied to the oil chambers of the supporting units respectively.
Further limit, be provided with the electromagnetism master control valve on the oil pump outlet pipeline.
The oil outlet of the oil pump can be controlled by arranging the electromagnetic main control valve, and the oil outlet amount of the oil pump is controlled by the electromagnetic main control valve.
Further inject, each be connected with back oil pipe way and through returning oil pipe way intercommunication batch oil tank between grease chamber export and the branch accuse valve, be provided with the relief valve of shunting on the back oil pipe way.
The oil return pipeline is arranged, hydraulic oil in the oil chamber can flow back into the oil storage tank conveniently, the shunt relief valve on the oil return pipeline is in a normally closed state, oil path pressure relief during oil supply of the oil pump can be prevented, and pressure relief of each oil chamber is facilitated, and the length of the supporting unit is restored through pressure relief.
Further inject, the oil pump goes out the oil end and is connected with back oil pipe way and through returning oil pipe way intercommunication batch oil tank, be provided with main way relief valve on the oil pipe way.
The oil pump goes out oil end and sets up the main way relief valve through returning oil pipe way connection batch oil tank and on returning oil pipe way, and the main way relief valve is normally open state, and the oil pump will be oily back oil pipe way backward flow to the batch oil tank in with the oil, will close the main way relief valve and open corresponding electromagnetism branch accuse valve when needs are to the grease chamber fuel feeding of certain supporting element, to the grease chamber fuel feeding of corresponding supporting element.
Further, the electromagnetic sub-control valve is a one-way valve.
The electromagnetic sub-control valve is a one-way valve and is opened towards one side of the oil chamber, so that the pressure in the oil chamber can be effectively prevented from returning.
Further, the bottom of the oil chamber is fixedly provided with a buffer block.
The buffer block can be made by flexible materials such as rubber, can effectively prevent that rigid collision from causing the damage between grease chamber bottom and the shock attenuation body.
Further, the shunt relief valve is connected with a single pressure limiting valve in parallel.
The single-phase pressure limiting valve can assist the shunt relief valve in oil return, and when the shunt relief valve breaks down, the hydraulic pressure in the oil chamber can be normally relieved under the extrusion of the vehicle body.
Compared with the prior art, the invention can reduce the height difference between the wheel falling back and the road surface after the wheel is vacated, and reduce the impact of falling to the ground after vacated; meanwhile, when one or more wheels are in a pit suspension state, the suspension wheels can be in contact with the road surface by extending the length of the supporting unit, so that the suspension wheels are separated from the suspension state.
Drawings
The invention is further illustrated by the non-limiting examples given in the accompanying drawings;
FIG. 1 is a schematic structural diagram of an active balancing system of a vehicle body according to the present invention;
FIG. 2 is a schematic view of the mounting structure of the present invention in a free-standing suspension application;
FIG. 3 is a schematic view of the mounting structure of the present invention in a torsion beam suspension application;
FIG. 4 is a schematic view of the mounting arrangement of the present invention in a rear axle application;
the main element symbols are as follows:
the damping device comprises a supporting unit 100, a damping body 110, an oil chamber 120, an oil supply mechanism 200, an oil storage tank 210, an oil pump 220, an electromagnetic sub-control valve 230, an electromagnetic main control valve 240, a shunt relief valve 250, a main path relief valve 260, a single-phase pressure limiting valve 270 and a buffer block 300.
Detailed Description
In order that those skilled in the art can better understand the present invention, the following technical solutions are further described with reference to the accompanying drawings and examples.
As shown in fig. 1, an active balance system of a vehicle body includes at least two support units for supporting a variable volume between the vehicle body and wheels and an oil supply mechanism 200 for supplying oil to each support unit, each of the support units being arranged in parallel; the oil supply mechanism 200 is used to supply media to the respective supporting units, respectively, and extend the supporting units by supplying the media. The supporting unit comprises a damping body 110 and an oil chamber 120, the oil chamber 120 is sleeved at the end part of a hydraulic cylinder of the damping body 110, the outer wall of the hydraulic cylinder of the damping body 110 is hermetically connected with the inner wall of the oil chamber 120, and the bottom of the oil chamber 120 is connected with an oil supply mechanism 200 through a pipeline. The oil supply mechanism 200 comprises an oil storage tank 210 and an oil pump 220, wherein the oil inlet end of the oil pump 220 is communicated with the position below the liquid level of the oil storage tank 210, and the oil outlet end of the oil pump 220 is communicated with each supporting unit after being connected in parallel. An electromagnetic sub-control valve 230 is arranged on a front pipeline connected with the outlets of the oil chambers 120 in parallel. An electromagnetic main control valve 240 is arranged on an outlet pipeline of the oil pump 220. An oil return pipeline is connected between the outlet of each oil chamber 120 and the sub-control valve and is communicated with the oil storage tank 210 through the oil return pipeline, and a shunt relief valve 250 is arranged on the oil return pipeline. The oil outlet end of the oil pump 220 is connected with an oil return pipeline and communicated with the oil storage tank 210 through the oil return pipeline, and the oil return pipeline is provided with a main path relief valve 260. The electromagnetic sub-control valve 230 is a one-way valve. The bottom of the oil chamber 120 is fixedly provided with a buffer block 300.
In the present embodiment, the oil supply mechanism 200 is used to supply a medium such as hydraulic oil into the supporting unit, and the length of the supporting unit is extended by the medium supply; when one or more wheels are emptied in the running process of the vehicle, oil is supplied to each supporting unit through the oil supply mechanism 200, the supporting units are made to extend for a certain length, and the wheels are pushed away from the vehicle body through the extension of the supporting units, so that the wheels are close to the road surface, the height difference between the wheels and the road surface when the wheels fall back is reduced, and the impact of falling to the ground after emptying is reduced; meanwhile, when one or more wheels are in a pit suspension state, the suspension wheels can be in contact with the road surface by extending the length of the supporting unit, so that the suspension wheels are separated from the suspension state. The oil is supplied into the oil chamber 120 by the oil supply mechanism 200, and the damping body 110 is pushed outward to adjust the length of the supporting unit. Each supporting unit is arranged in parallel, and the parallel arrangement is convenient for controlling each supporting unit respectively. The opening and closing state of the independent pipeline of each oil chamber 120 is controlled by controlling the electromagnetic sub-control valve 230, and the electromagnetic sub-control valve 230 corresponding to each oil chamber 120 is in a normally closed state, so that hydraulic oil can be supplied to the oil chambers 120 of each supporting unit respectively. The oil outlet of the oil pump 220 can be controlled by providing the electromagnetic main control valve 240, and the oil outlet amount of the oil pump 220 is controlled by the electromagnetic main control valve 240. The oil return pipeline is arranged, so that hydraulic oil in the oil chamber 120 can flow back into the oil storage tank 210 conveniently, the shunt relief valve 250 on the oil return pipeline is in a normally closed state, oil path pressure relief during oil supply of the oil pump 220 can be prevented, and the oil chamber 120 can be conveniently relieved in pressure and the length of the supporting unit can be restored through pressure relief. The oil outlet end of the oil pump 220 is connected with the oil storage tank 210 through an oil return pipeline and is provided with a main relief valve 260 on the oil return pipeline, the main relief valve 260 is in a normally open state, the oil pump 220 returns oil to the oil storage tank 210 after exiting the oil pump 220, the main relief valve 260 is closed to open the corresponding electromagnetic sub-control valve 230 when oil needs to be supplied to the oil chamber 120 of a certain supporting unit, and the oil is supplied to the corresponding supporting unit oil chamber 120. The sub-electromagnetic control valve 230 is a check valve and is opened to the oil chamber 120 side, and the pressure in the oil chamber 120 can be effectively prevented from returning. The buffer block 300 may be made of a flexible material such as rubber, and can effectively prevent the bottom of the oil chamber 120 from being damaged due to rigid collision with the damping body 110. The shunt relief valve 250 is connected in parallel with a single pressure limiting valve 270. The single-phase pressure limiting valve 270 can assist the shunt relief valve 250 in returning oil, and when the shunt relief valve 250 breaks down, the hydraulic pressure in the oil chamber 120 can be normally relieved under the extrusion of the vehicle body.
Fig. 2, fig. 3 and fig. 4 are schematic views of the installation structure of the design scheme in the independent suspension system, the torsion beam suspension system and the rear axle respectively.
Compared with the prior art, the invention reduces the height difference between the wheel falling back and the road surface after soaring, and reduces the impact of landing after soaring; meanwhile, when one or more wheels are in a pit suspension state, the suspension wheels can be in contact with the road surface by extending the length of the supporting unit, so that the suspension wheels are separated from the suspension state.
The active balance system of the vehicle body provided by the invention is described in detail above. The description of the specific embodiments is only intended to facilitate an understanding of the method of the invention and its core ideas. It should be noted that, for those skilled in the art, it is possible to make various improvements and modifications to the present invention without departing from the principle of the present invention, and those improvements and modifications also fall within the scope of the claims of the present invention.

Claims (10)

1. An active balance system of a vehicle body is characterized in that: the vehicle-mounted support device comprises at least two support units and an oil supply mechanism, wherein the support units are used for supporting the volume between a vehicle body and wheels to be variable, the oil supply mechanism supplies oil to the support units, and the support units are arranged in parallel; the oil supply mechanism is used for respectively supplying media to the support units and extending the support units through the supplied media.
2. The active balancing system for vehicle bodies of claim 1, wherein: the supporting unit comprises a damping body and an oil chamber, the oil chamber is sleeved at the end part of the damping body hydraulic cylinder, the outer wall of the damping body hydraulic cylinder is hermetically connected with the inner wall of the oil chamber, and the bottom of the oil chamber is connected with an oil supply mechanism through a pipeline.
3. The active balancing system for vehicle bodies of claim 2, wherein: the oil supply mechanism comprises an oil storage tank and an oil pump, wherein the oil inlet end of the oil pump is communicated with the position below the liquid level of the oil storage tank, and the oil outlet end of the oil pump is communicated with each supporting unit after being connected in parallel.
4. The active balancing system of vehicle bodies of claim 3, wherein: and the front pipelines connected with the oil chamber outlets in parallel are provided with electromagnetic sub-control valves.
5. The active balancing system of vehicle bodies of claim 3, wherein: and an electromagnetic main control valve is arranged on the outlet pipeline of the oil pump.
6. The active balancing system for vehicle bodies of claim 4, wherein: an oil return pipeline is connected between each oil chamber outlet and the electromagnetic sub-control valve and communicated with the oil storage tank through the oil return pipeline, and a shunt relief valve is arranged on the oil return pipeline.
7. The active balancing system for vehicle bodies of claim 5, wherein: the oil pump goes out oil end and is connected with oil return pipeline and just passes through oil return pipeline intercommunication batch oil tank, be provided with main way relief valve on the oil return pipeline.
8. The active balancing system for vehicle bodies of claim 6, wherein: the electromagnetic sub-control valve is a one-way valve.
9. The active balancing system for vehicle bodies according to any one of claims 2 to 8, wherein: and a buffer block is fixedly arranged at the bottom of the oil chamber.
10. The active balancing system for vehicle bodies of claim 9, wherein: and the shunt relief valve is connected with a single pressure limiting valve in parallel.
CN201811216302.7A 2018-10-18 2018-10-18 Vehicle body active balancing system Pending CN111075881A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN201811216302.7A CN111075881A (en) 2018-10-18 2018-10-18 Vehicle body active balancing system
PCT/CN2018/116297 WO2020077728A1 (en) 2018-10-18 2018-11-20 Active vehicle body balance system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201811216302.7A CN111075881A (en) 2018-10-18 2018-10-18 Vehicle body active balancing system

Publications (1)

Publication Number Publication Date
CN111075881A true CN111075881A (en) 2020-04-28

Family

ID=70282875

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201811216302.7A Pending CN111075881A (en) 2018-10-18 2018-10-18 Vehicle body active balancing system

Country Status (2)

Country Link
CN (1) CN111075881A (en)
WO (1) WO2020077728A1 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113605798A (en) * 2021-01-05 2021-11-05 唐腊辉 Hanging sliding door mute hydraulic damping pulley device
CN115179706A (en) * 2022-09-06 2022-10-14 万向钱潮股份公司 Control method of active suspension

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111853491A (en) * 2020-07-20 2020-10-30 山东科技职业学院 Terminal equipment with high data calculation informatization security performance

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL295262A (en) * 1962-07-13
GB1384454A (en) * 1972-03-08 1975-02-19 Automotive Prod Co Ltd Vehicle suspension
US7252181B2 (en) * 2003-12-17 2007-08-07 Tenneco Automotive Operating Company Inc. Air pressure proportional damper
JP2006131066A (en) * 2004-11-05 2006-05-25 Nissan Motor Co Ltd Suspension device
DE202005014926U1 (en) * 2005-09-21 2005-11-24 Trw Automotive Gmbh Stabilizer sub-assembly for motor vehicle has a pressurized fluid connection provided on each of two fluid pressure actuators, whereby fluid pressure actuator is linear pressure actuator with hydraulic cylinder
CN100554018C (en) * 2007-12-05 2009-10-28 郭孔辉 Vehicle complex spring equalization suspension device

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113605798A (en) * 2021-01-05 2021-11-05 唐腊辉 Hanging sliding door mute hydraulic damping pulley device
CN115179706A (en) * 2022-09-06 2022-10-14 万向钱潮股份公司 Control method of active suspension
CN115179706B (en) * 2022-09-06 2022-12-23 万向钱潮股份公司 Control method of active suspension

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Publication number Publication date
WO2020077728A1 (en) 2020-04-23

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