CN106427455A - Vehicle suspension and vehicle - Google Patents
Vehicle suspension and vehicle Download PDFInfo
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- CN106427455A CN106427455A CN201610942098.1A CN201610942098A CN106427455A CN 106427455 A CN106427455 A CN 106427455A CN 201610942098 A CN201610942098 A CN 201610942098A CN 106427455 A CN106427455 A CN 106427455A
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- oil cylinder
- valve
- rodless cavity
- group
- oil
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Classifications
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- 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
- B60G17/02—Spring characteristics, e.g. mechanical springs and mechanical adjusting means
- B60G17/04—Spring characteristics, e.g. mechanical springs and mechanical adjusting means fluid spring characteristics
- B60G17/0416—Spring characteristics, e.g. mechanical springs and mechanical adjusting means fluid spring characteristics regulated by varying the resiliency of hydropneumatic suspensions
-
- 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
- B60G17/02—Spring characteristics, e.g. mechanical springs and mechanical adjusting means
- B60G17/04—Spring characteristics, e.g. mechanical springs and mechanical adjusting means fluid spring characteristics
- B60G17/056—Regulating distributors or valves for hydropneumatic systems
-
- 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
- B60G2202/40—Type of actuator
- B60G2202/41—Fluid actuator
- B60G2202/414—Fluid actuator using electrohydraulic valves
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2204/00—Indexing codes related to suspensions per se or to auxiliary parts
- B60G2204/80—Interactive suspensions; arrangement affecting more than one suspension unit
- B60G2204/83—Type of interconnection
- B60G2204/8304—Type of interconnection using a fluid
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Vehicle Body Suspensions (AREA)
Abstract
The invention relates to a vehicle suspension. The vehicle suspension comprises a power regulating unit and an even number of oil cylinders, wherein the oil cylinders are divided into a left oil cylinder group and a right oil cylinder group, oil cylinders in the left oil cylinder group are in one-to-one correspondence to the oil cylinders in the right oil cylinder group, and the rod cavity of each oil cylinder in the left oil cylinder group is communicated with the rodless cavity of the corresponding oil cylinder in the right oil cylinder group; the oil cylinders are communicated with the power regulating unit. The vehicle suspension has the advantages that the rod cavities and the rodless cavities of the oil cylinders are connected, the motion tendency of the suspensions on two sides during vehicle during vehicle turning and roll, and a good anti-roll effect is achieved; the rodless cavities are parallelly connected with two energy accumulators, the rigidity of the suspension can be regulated according to driving conditions, and riding comfortableness and operation stability are increased effectively.
Description
Technical field
The invention belongs to automotive suspension technical field and in particular to a kind of pair of air chamber variation rigidity anti-side is inclined hydro pneumatic suspension.
Background technology
Can not change after the completion of orthodox car suspension rate and damping characteristic design, strongly limit automotive performance enters one
Step lifting, the lifting with performances such as automobile various kinds of sensors, controllers and prices, carry out suspension rate by controller
Damping controls and practical application is possibly realized, the continuous improvement ride comfort performance of automobile being required with people, and automobile hangs
Frame vibration isolation increasingly causes the attention of people.The mainly passive interconnection hydro pneumatic suspension of current automobile oil gas suspension, by difference
The interconnection of wheel suspension upper and lower oil cylinder improves anti-rolling capability, equiblibrium mass distribution multi-wheeler wheel load, but suspension rate and damping can not
Adjust, car load ride comfort and driving safety can not under slippery traffic surface, cross-country road, zero load, the different operating modes such as fully loaded for automobile
It is effectively improved.
In sum, a kind of hydro pneumatic suspension of existing necessary invention, this hydro pneumatic suspension one side can be according to car load, road
Noodles part etc. is different and change suspension rate, damping adjusting size；On the other hand vehicle can be stoped when Vehicular turn rolls
The movement tendency of both sides suspension, serves good anti-side and inclines effect.
Content of the invention
In order to solve the problems referred to above of prior art presence, the oil gas the invention provides a kind of pair of air chamber variation rigidity anti-side is inclined
Suspension.
The technical scheme being adopted of the present invention is：A kind of pair of air chamber variation rigidity anti-side is inclined hydro pneumatic suspension, adjusts including power
Section unit and even number oil cylinder, all of described oil cylinder divides two groups of settings, respectively left oil cylinder group and right oil cylinder group, described left oil
Oil cylinder one-to-one corresponding, each oil cylinder in described left oil cylinder group and described right oil in oil cylinder and described right oil cylinder group in cylinder group
In cylinder group, corresponding oil cylinder is connected, and each oil cylinder in described left oil cylinder group is connected with corresponding oil cylinder in described right oil cylinder group
Logical；Described oil cylinder is connected with described power adjustment unit.
Further preferred, the quantity of described oil cylinder is two, the respectively first oil cylinder and the second oil cylinder, described first oil
The rodless cavity of cylinder is connected with the rod chamber of described second oil cylinder, the nothing of the rod chamber of described first oil cylinder and described second oil cylinder
Rod cavity is connected.
Further preferred, the rodless cavity of described first oil cylinder is connected with the rodless cavity of described second oil cylinder, and described the
The rod chamber of one oil cylinder is connected with the rod chamber of described second oil cylinder.
Further preferred, described power adjustment unit includes oil pump, accumulator and valve group, described accumulator and described valve
Group is arranged between described oil pump and described oil cylinder.
Further preferred, the pipeline between the rod chamber of the rodless cavity of described first oil cylinder and described second oil cylinder sets
It is equipped with described accumulator and/or described valve group, between the rodless cavity of the rod chamber of described first oil cylinder and described second oil cylinder
Described accumulator and/or described valve group are provided with pipeline.
Further preferred, described first oil cylinder rodless cavity and described second oil cylinder rodless cavity on be respectively provided with
State accumulator.
Further preferred, described valve group includes the first valve group, the second valve group and the 3rd valve group, described first valve group setting
Between described accumulator and described rodless cavity, described second valve group is arranged on described accumulator and the first oil cylinder, the second oil cylinder
Between, described 3rd valve group is arranged between the described rodless cavity of different oil cylinders and described rod chamber.
Specifically, described first valve group includes two check valves, two normal open holes and electromagnetic valve, two described check valves
Setting in opposite direction, a described check valve and a described normal open hole are in series and form the first pipeline, and another is described unidirectional
Valve and another described normal open hole are in series and form the second pipeline；Described first pipeline is in parallel with described second pipeline, described
First pipeline is all in series with described electromagnetic valve with described second pipeline；
Specifically, described second valve group includes check valve, two normal open holes and switch valve, described normal open hole with described
Switch valve is in parallel, and a described normal open hole is all in series with described check valve with described switch valve, another described normal open hole
All it is arranged in parallel with a described normal open hole, described switch valve and described check valve；
Specifically, described 3rd valve group includes normal open hole and check valve, and described normal open hole is in parallel with described check valve and sets
Put.
Further preferred, the rodless cavity of described first oil cylinder is all connected with fuel tank with the rodless cavity of described second oil cylinder.
Further preferred, it is all provided between the rodless cavity of described first oil cylinder, the rodless cavity of described second oil cylinder and fuel tank
It is equipped with overflow valve.
Beneficial effects of the present invention are：
The rod chamber of different oil cylinders and rodless cavity interconnection, when Vehicular turn rolls, prevent the movement tendency of both sides suspension,
Serve good anti-side to incline effect；
Rodless cavity two accumulators of parallel connection, suspension rate can be adjusted according to driving cycle, specifically, by electromagnetism
Valve is opened and closed and to control whether accumulator is connected with rodless cavity, as rodless cavity and two accumulator (two that side rodless cavity is connected
Individual accumulator marks respectively) connection when rigidity reduce, closed electromagnetic valve rodless cavity only connects with an accumulator, suspension rate increasing
Greatly, riding comfort and control stability are effectively improved；
Electromagnetic valve and normal open hole are in parallel, by electromagnetic valve for adjusting orifice size, realize damping according to driving cycle and actively control
System, thus the vibration on different road surfaces for the vehicle body that decays, effectively improves vehicle riding comfort；
By arranging overflow valve, fluid is flowed out by overflow valve, prevents oil cylinder internal pressure too high and damages, provides overload
Defencive function, it is to avoid the premature breakdown under surge such as rodless cavity oil sealing.
Brief description
Fig. 1 is the structural representation of vehicle suspension one embodiment of the present invention；
Fig. 2 is the structural representation of another embodiment of vehicle suspension of the present invention.
In figure：1st, oil cylinder；11st, the first oil cylinder；12nd, the second oil cylinder；2nd, oil pump；3rd, accumulator；4th, valve group；41st, the first valve
Group；42nd, the second valve group；43rd, the 3rd valve group；411st, check valve；412nd, normal open hole；413rd, electromagnetic valve；414th, switch valve；5th, oil
Case；6th, controller；7th, gyroscope；8th, overflow valve.
Specific embodiment
As shown in figure 1, the invention provides a kind of vehicle suspension, including power adjustment unit and even number oil cylinder, owning
Oil cylinder divide two groups of settings, respectively left oil cylinder group and right oil cylinder group, the oil cylinder in the oil cylinder in left oil cylinder group and right oil cylinder group
Correspond, each oil cylinder in left oil cylinder group is connected with corresponding oil cylinder in right oil cylinder group, each oil in left oil cylinder group
Cylinder is connected with corresponding oil cylinder in right oil cylinder group；Oil cylinder is connected with power adjustment unit.
One kind preferably embodiment, the quantity of oil cylinder 1 is two, the respectively first oil cylinder 11 and the second oil cylinder 12, the
The rodless cavity of one oil cylinder 11 is connected with the rod chamber of the second oil cylinder 12, the nothing of the rod chamber of the first oil cylinder 11 and the second oil cylinder 12
Rod cavity is connected.When Vehicular turn rolls, outboard axle is compressed, inboard wheel extension, the rod chamber of oil cylinder and rodless cavity
Interconnection, prevents the movement tendency of both sides suspension, plays good anti-side and inclines effect.
Further, the rodless cavity of the first oil cylinder 11 is connected with the rodless cavity of the second oil cylinder 12, the having of the first oil cylinder 11
Rod cavity is connected with the rod chamber of the second oil cylinder 12.Specifically, magnet valve 413 is closed, when rodless cavity is only connected with an accumulator,
Further prevent the movement tendency of both sides suspension, further play good anti-side and incline effect.
Power adjustment unit includes oil pump 2, accumulator 3 and valve group 4, and accumulator 3 and valve group 4 are arranged on oil pump 2 and oil cylinder 1
Between.
Accumulator 3 is internal to be separated gas and fluid by elastic diaphragm, and top is air chamber, and plenum interior seals elevated pressure nitrogen
Gas, bottom Shi Ye room, fluid adopts the viscosity such as the good silicone oil of greasy property or aero oil little, the temperature-resistant oil of performance
Liquid, barrier film is the excellent flexible rubber film of gas sealing ability, and periphery is fixed with accumulator, and centre can with gas compression degree not
Fluctuate together.
One kind preferably embodiment, on the pipeline between the rod chamber of the rodless cavity of the first oil cylinder 11 and the second oil cylinder 12
It is provided with accumulator 3 and/or valve group 4, the pipeline between the rodless cavity of the rod chamber of the first oil cylinder 11 and the second oil cylinder 12 sets
It is equipped with accumulator 3 and/or valve group 4；In addition, the first oil cylinder 11 rodless cavity and the second oil cylinder 12 rodless cavity on be provided with
Accumulator 3.
In oil cylinder 1, rodless cavity and rod chamber are divided into by piston, rodless cavity and two accumulators 3 are connected in parallel, and bear car
Load and prefabricating load, can carry out 2 grades of stiffness tunings, be connected, for damping by valve group 4 between accumulator 3 and oil cylinder 1
Actively adjust, valve group 4 generally includes normal open hole 412, switch valve 414, check valve 411, overflow valve 8 etc., and suspension damping can root
Carry out 2 grades of dampings according to road conditions to adjust, suspension compresses stroke, fluid flows into energy storage from normal open hole 412 and 411 two paths of check valve
Device 3, and damp and active control, suspension extension stroke oil can be carried out according to road conditions by switch electromagnetic valve or proportional solenoid
The check valve (in figure does not mark) that liquid is in parallel below by normal open hole 412 and normal open hole (in figure does not mark) flow back to oil cylinder 1, oil
The rodless cavity of cylinder 1 connects with the rod chamber of another side cylinder 1, plays anti-side and inclines effect.
Specifically, valve group 4 includes the first valve group 41, the second valve group 42 and the 3rd valve group 43, and the first valve group 41 is arranged on storage
Can be between device 3 and rodless cavity, the second valve group 42 is arranged between accumulator 3 and the first oil cylinder 11, the second oil cylinder 12, the 3rd valve group
It is arranged between rodless cavity and the rod chamber of different oil cylinders；First valve group 41 includes 411, two normal open holes 412 of two check valves
With electromagnetic valve 413, the setting in opposite direction of two check valves 411, a check valve 411 and a normal open hole 412 are in series shape
Become the first pipeline, another check valve 411 is in series with another normal open hole 412 and forms the second pipeline；First pipeline and second
Pipeline is in parallel, and the first pipeline and the second pipeline are all in series with electromagnetic valve 413；Second valve group 42 includes 411, two, check valve
Normal open hole 412 and switch valve 414, a normal open hole 412 is in parallel with switch valve 414, normal open hole 412 and switch valve 414
All it is in series with check valve 411, another normal open hole 412 is equal in parallel with a normal open hole 412, switch valve 414 and check valve 411
Setting；3rd valve group 43 includes normal open hole 412 and check valve 411, and normal open hole 412 and check valve 411 are in parallel setting.By upper
State the setting of valve group so that the damping of oil cylinder can realize multistage regulation.
One kind preferably embodiment, the rodless cavity of the rodless cavity of the first oil cylinder 11 and the second oil cylinder 12 is all with fuel tank 5 even
Logical.Further, it is provided with overflow valve between the rodless cavity of the first oil cylinder 11, the rodless cavity of the second oil cylinder 12 and fuel tank 5
8.When wheel runs into king-sized impact, damage to prevent oil cylinder internal pressure too high, fluid is flowed out by overflow valve 8,
There is provided overload protection function, it is to avoid the premature breakdown under surge such as rodless cavity oil sealing.
The accumulator 3 of hydro pneumatic suspension is internal to be separated gas and fluid by elastic diaphragm, and top is air chamber, plenum interior
Sealing high pressure nitrogen, bottom is fluid, and fluid adopts the good silicone oil of greasy property, and barrier film is the excellent flexible rubber of gas sealing ability
Glued membrane, periphery is fixed with accumulator, can fluctuate with gas compression degree difference in centre.
In the oil cylinder 1 of hydro pneumatic suspension, upper and lower two parts are divided into by piston, are divided into rod chamber and rodless cavity, rodless cavity and two
Individual accumulator 3 is connected in parallel, and bears car load and prefabricating load, can carry out 2 grades of stiffness tunings, accumulator 3 and oil cylinder 1 it
Between connected by valve group, actively adjust for damping, valve group includes normal open hole 412, switch valve 414, check valve 411, overflow valve 8
Deng referring specifically to Fig. 1, suspension damping can carry out 2 grades of dampings according to road conditions and adjust, suspension compresses stroke, and fluid is from normal open hole
412 and 411 two paths of check valve flow into accumulators 3, and damp can by switch electromagnetic valve or proportional solenoid according to
Road conditions carry out active control, the check valve (in figure does not mark) that suspension extension stroke fluid is in parallel below by normal open hole 412
Flow back to oil cylinder 1 with normal open hole (in figure does not mark).The rodless cavity of oil cylinder 1 connects with the rod chamber of another side cylinder 1, plays anti-side
Incline effect.
Suspension in this programme, different according to rigidity, comfortable and motion both of which can be divided into, need change suspension firm
When spending, selecting to access one or two accumulator 3 by electromagnetic valve 413 opening and closing, thus realize different suspension rates adjusting, connecing
Enter an accumulator 3 suspension rate increase and be in motor pattern, access two accumulator rigidity and be reduced to comfort mode, suspension is firm
Degree can be set by driver it is also possible to be automatically controlled according to driving cycle, load etc., meets given travel duty requirements.
When vehicle at the uniform velocity travels in good road surface straight line, the rodless cavity of suspension oil cylinder 1 accesses two accumulators 3, at suspension
In comfort mode, the parallel connection of two accumulators 3 provides suspension rate, is conducive to improving vehicle riding comfort；On rugged cross-country road
Face straight-line travelling, in order to ensure that body gesture is stable and driving safety, reduces the motion such as car load pitching, inclination, suspension only accesses
One accumulator 3, vertical stiffness increases, and is conducive to improving wheel road surface adhesion property, when encountering jump on raised impact wheel, no
Rod cavity fluid flows to accumulator 3 by normal open hole, and all electromagnetic valves simultaneously in parallel with normal open hole are opened, and a part of fluid passes through
The electromagnetic valve 413 opened flows into accumulator 3, and suspension damping is adjusted to minimum, alleviates vehicle high-speed impact, now rod chamber volume
Increase, a fluid part for rodless cavity flows to the rod chamber of opposite side；During wheel rebound, the fluid of accumulator 3 passes through normal open hole
Normal open hole in normal open hole and check valve, and valve group 4 below 412 flows into rodless cavity, provides big damping, and in rod chamber
Fluid flows into the rodless cavity of opposite side by interconnecting pipes.When Vehicular turn rolls, outboard axle is compressed, and inboard wheel is stretched
, the rod chamber of oil cylinder 1 and rodless cavity interconnection, prevent the movement tendency of both sides suspension, play good anti-side and incline effect.
In stationary vehicle or run at a low speed operating mode, oil pump 2 and central accumulator (in figure is not drawn into) pass through reversal valve and electricity
Magnet valve 413, to rodless cavity provide hydraulic oil, bodywork height increase, front suspension two side cylinder respectively by two electromagnetic valves (see accompanying drawing
Electromagnetic valve above oil pump 2) individually control, rear suspension two side cylinder 1 is by a solenoid valve control；Need to reduce bodywork height
When, electromagnetic valve (electromagnetic valve see above accompanying drawing oil pump 2) is opened, and part rodless cavity fluid passes through reversal valve from return line stream
Go out, bodywork height reduce, bodywork height adjustment can manually or automatically adjust, the displacement transducer according to built-in suspension Lai
Determine suitable bodywork height, can automatically carry out vehicle attitude control.
When wheel runs into king-sized impact, damage to prevent oil cylinder 1 internal pressure too high, fluid passes through overflow valve
8 outflows, provide overload protection function, it is to avoid the premature breakdown under surge such as rodless cavity oil sealing.
The scheme of this invention, mainly has the innovation of the following aspects：
First, in hydro pneumatic suspension oil cylinder of the present invention, top and the bottom are divided into by piston, rodless cavity and two barrier film accumulators are even
Connect, in accumulator, be filled with nitrogen, adjust suspension rate by connecting one or two accumulator, vehicle has comfort mode and fortune
Dynamic model formula two stage stiffness, suspension is connected with two accumulators, and vehicle has good riding comfort, is in comfort mode；Suspension
Only it is connected with an accumulator, suspension rate increases, vehicle has good road surface adhesion property, is in motor pattern；Side
The rodless cavity interconnection of rod chamber and opposite side, vehicle plays the effect that anti-side is inclined when turning to, and two interconnecting pipes pass through electromagnetism
Valve connects, and connects if necessary for reducing both sides accumulator pressure difference.Specifically, only manually or automatically beat when needing
Open electromagnetic valve, for example, need both sides vehicle body automatic leveling or in the distribution of severe road surface balance both sides tyre load, it is to avoid unilateral
Situations such as cross large impact.
2nd, in suspension compresses, damped by valve group solenoid valve control, in parallel one or two electromagnetic valves, pressure
Contracting forms Multi-stage damping and controls, and reduces Vehicular vibration, improves vehicle driving comfort；The rod chamber fluid of oil cylinder has a level pressure
Power, it is to avoid produce cavitation when suspension quickly moves, air pocket can reduce suspension property, or even oil cylinder is caused spot corrosion break
Bad.
3rd, suspension oil cylinder passes through reversal valve and electromagnetic valve, is quickly filled with liquid to the upper and lower chamber of oil cylinder from central high-voltage energy storage device
Force feed (or oil pump is directly filled with hydraulic oil to the upper and lower chamber of oil cylinder), thus it is possible to vary bodywork height, realizes manually or automatically continuous
Adjust, front suspension individually controls fluid discrepancy oil cylinder by two electromagnetic valves, rear suspension is entered only with a solenoid valve control fluid
Go out oil cylinder, realize vehicle body automatic flat-adjustable function, central accumulator can be greatly reduced energy consumption, improve governing speed.
4th, system can also add in the rod chamber of different oil cylinders and rodless cavity connecting line a normal open damping hole and
As shown in Fig. 2 chain lines inframe, damping hole reduces, by throttling action, the body vibrations that fluid flowing causes to check valve, unidirectional
Fluid can be flowed into rod chamber when suspension is subject to large impact by valve in time, it is to avoid the excessive vibration of vehicle body, prevent Hydraulic Elements from damaging
Bad.
Compared with common interconnection hydro pneumatic suspension, one is, common interconnection hydro pneumatic suspension can not carry out stiffness tuning, and the present invention will
Oil cylinder and two accumulator parallel connections, make suspension rate can be adjusted according to driving cycle, effectively improve riding comfort
And control stability；Two are, common interconnection hydro pneumatic suspension can not carry out damping control, and the present invention passes through electromagnetic valve and normal open hole
Parallel connection, by electromagnetic valve for adjusting orifice size, realizes damping active control according to driving cycle, reduces body vibrations, effectively
Improve vehicle riding comfort；Three are, suspension compresses and extension, are all throttled by normal open hole, suspension compresses shape journey fluid is also
Check valve in parallel and electromagnetic valve path flow into accumulator, make suspension have compression travel resistance by simply compact design
The characteristic that Buddhist nun is little and extension stroke damping is big, effectively inhibits body vibrations, and the electromagnetic valve that the present invention uses does not have the ratio of costliness
Example valve and servo valve, is controlled by using reversal valve, high-speed switch valve etc., significantly reduces system cost it is achieved that just
Degree continuously adjusts and damps multistage regulation, and suspension property is effectively lifted.
It should be noted that the accumulator 3 in one, this programme can be in oil cylinder 1 outside it is also possible to be integrated into oil cylinder 1
Integrally, make more compact structure；Two, can be with integrated displacement sensor and pressure transducer inside oil cylinder 1；Three are, the electricity in valve group 4
Magnet valve can be continuously adjusted with realizing damping with use ratio valve；Four are, rodless cavity valve group can multistage adjustable throttling in parallel
Hole and electromagnetic valve, realize suspension compresses and damp multistage regulation during upholding.
The present invention is not limited to above-mentioned preferred forms, and those of ordinary skill in the art may be used under the enlightenment of the present invention
Draw other various forms of products, however, any change is made on its shape or structure, every have same as the present application
Or akin technical scheme, it is within the scope of the present invention.
Claims (10)
1. a kind of vehicle suspension it is characterised in that：Including power adjustment unit and even number oil cylinder, all of described oil cylinder divides two
Group setting, respectively left oil cylinder group and right oil cylinder group, the oil cylinder one in the oil cylinder in described left oil cylinder group and described right oil cylinder group
One is corresponding, and each oil cylinder in described left oil cylinder group is connected with corresponding oil cylinder in described right oil cylinder group；Described oil cylinder and institute
State power adjustment unit to be connected.
2. vehicle suspension according to claim 1 it is characterised in that：The quantity of described oil cylinder (1) is two, respectively the
One oil cylinder (11) and the second oil cylinder (12), the rod chamber phase of the rodless cavity of described first oil cylinder (11) and described second oil cylinder (12)
Connection, the rod chamber of described first oil cylinder (11) is connected with the rodless cavity of described second oil cylinder (12).
3. vehicle suspension according to claim 2 it is characterised in that：The rodless cavity of described first oil cylinder (11) and described the
The rodless cavity of two oil cylinders (12) is connected, the rod chamber phase of the rod chamber of described first oil cylinder (11) and described second oil cylinder (12)
Connection.
4. vehicle suspension according to claim 2 it is characterised in that：Described power adjustment unit includes oil pump (2), energy storage
Device (3) and valve group (4), described accumulator (3) and described valve group (4) are arranged between described oil pump (2) and described oil cylinder (1).
5. vehicle suspension according to claim 4 it is characterised in that：The rodless cavity of described first oil cylinder (11) and described the
Described accumulator (3) and described valve group (4), described first oil cylinder are provided with the pipeline between the rod chamber of two oil cylinders (12)
(11) it is provided with described accumulator (3) and described valve on the pipeline between rod chamber and the rodless cavity of described second oil cylinder (12)
Group (4).
6. vehicle suspension according to claim 4 it is characterised in that：Described first oil cylinder (11) rodless cavity and described
Described accumulator (3) is provided with the rodless cavity of the second oil cylinder (12).
7. vehicle suspension according to claim 6 it is characterised in that：Described valve group (4) include the first valve group (41), second
Valve group (42) and the 3rd valve group (43), described first valve group (41) is arranged between described accumulator (3) and described rodless cavity, institute
State accumulator (3) by the pipeline between described second valve group (42) and described first oil cylinder (11) and described second oil cylinder (12)
It is connected, described 3rd valve group is arranged between the described rodless cavity of different oil cylinders and described rod chamber.
8. vehicle suspension according to claim 7 it is characterised in that：Described first valve group (41) includes two check valves
(411), two normal open holes (412) and electromagnetic valve (413), the setting in opposite direction of two described check valves (411), described in one
Check valve (411) and described normal open hole (412) are in series formation the first pipeline, another described check valve (411) with another
One described normal open hole (412) is in series and forms the second pipeline；Described first pipeline is in parallel with described second pipeline, and described
One pipeline and described second pipeline are all in series with described electromagnetic valve (413)；
Described second valve group (42) includes check valve (411), two normal open holes (412) and switch valve (414), a described normal open
It is in series with described check valve (411), to form the 3rd pipeline after hole (412) and described switch valve (414) parallel connection；Another
Described normal open hole (412) and described 3rd pipeline are in parallel；
Described 3rd valve group (43) includes normal open hole (412) and check valve (411), described normal open hole (412) and described check valve
(411) be in parallel setting.
9. vehicle suspension according to claim 2 it is characterised in that：The rodless cavity of described first oil cylinder (11) and described
The rodless cavity of two oil cylinders (12) is all connected with fuel tank (5)；The rodless cavity of described first oil cylinder (11), described second oil cylinder (12)
It is provided with overflow valve (8) between rodless cavity and fuel tank (5).
10. a kind of vehicle is it is characterised in that include：Vehicle suspension described in any one in claim 1-9, described vehicle
Suspension is arranged on the bottom of vehicle body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610942098.1A CN106427455B (en) | 2016-10-25 | 2016-10-25 | Vehicle suspension and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610942098.1A CN106427455B (en) | 2016-10-25 | 2016-10-25 | Vehicle suspension and vehicle |
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| Publication Number | Publication Date |
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| CN106427455A true CN106427455A (en) | 2017-02-22 |
| CN106427455B CN106427455B (en) | 2019-01-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610942098.1A Expired - Fee Related CN106427455B (en) | 2016-10-25 | 2016-10-25 | Vehicle suspension and vehicle |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110259868A (en) * | 2019-06-11 | 2019-09-20 | 浙江工业大学 | A kind of adaptive damping interconnection damper unit |
| CN110307284A (en) * | 2019-05-14 | 2019-10-08 | 浙江工业大学 | A kind of adaptive damping interconnection damper |
| CN110509994A (en) * | 2019-09-10 | 2019-11-29 | 王亚 | Vehicular turn rolls the active roll vehicle of combined mechanism and the application mechanism |
| CN110594349A (en) * | 2019-09-20 | 2019-12-20 | 三一汽车制造有限公司 | Suspension hydraulic system and vehicle |
| CN112172919A (en) * | 2020-08-31 | 2021-01-05 | 河南坐骑科技有限公司 | Vehicle roll driving device and active roll vehicle |
| CN112172921A (en) * | 2020-08-31 | 2021-01-05 | 河南坐骑科技有限公司 | Vehicle side-tipping driving mechanism and active side-tipping vehicle using same |
| CN112874312A (en) * | 2021-03-08 | 2021-06-01 | 中国人民解放军国防科技大学 | Hydraulic lapping device and medium-low speed maglev train |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| EP1277604A2 (en) * | 2001-07-20 | 2003-01-22 | Husco International, Inc. | Dual mode regenerative suspension for an off-road vehicle |
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| EP1277604A2 (en) * | 2001-07-20 | 2003-01-22 | Husco International, Inc. | Dual mode regenerative suspension for an off-road vehicle |
| CN201049575Y (en) * | 2007-06-14 | 2008-04-23 | 吉林大学 | One-way valve and damping hole connecting type oil-gas suspension system |
| CN103042893A (en) * | 2012-12-27 | 2013-04-17 | 三一重工股份有限公司 | Oil gas suspension system and engineering vehicle |
| CN103057374A (en) * | 2012-12-27 | 2013-04-24 | 三一重工股份有限公司 | Hydro-pneumatic suspension system and engineering vehicle |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110307284A (en) * | 2019-05-14 | 2019-10-08 | 浙江工业大学 | A kind of adaptive damping interconnection damper |
| CN110259868A (en) * | 2019-06-11 | 2019-09-20 | 浙江工业大学 | A kind of adaptive damping interconnection damper unit |
| CN110509994A (en) * | 2019-09-10 | 2019-11-29 | 王亚 | Vehicular turn rolls the active roll vehicle of combined mechanism and the application mechanism |
| CN110509994B (en) * | 2019-09-10 | 2021-12-21 | 河南坐骑科技有限公司 | Vehicle steering and roll combination mechanism and active roll vehicle using same |
| CN110594349A (en) * | 2019-09-20 | 2019-12-20 | 三一汽车制造有限公司 | Suspension hydraulic system and vehicle |
| CN112172919A (en) * | 2020-08-31 | 2021-01-05 | 河南坐骑科技有限公司 | Vehicle roll driving device and active roll vehicle |
| CN112172921A (en) * | 2020-08-31 | 2021-01-05 | 河南坐骑科技有限公司 | Vehicle side-tipping driving mechanism and active side-tipping vehicle using same |
| CN112172919B (en) * | 2020-08-31 | 2022-03-15 | 河南坐骑科技有限公司 | Vehicle roll driving device and active roll vehicle |
| CN112172921B (en) * | 2020-08-31 | 2022-03-15 | 河南坐骑科技有限公司 | Vehicle side-tipping driving mechanism and active side-tipping vehicle using same |
| CN112874312A (en) * | 2021-03-08 | 2021-06-01 | 中国人民解放军国防科技大学 | Hydraulic lapping device and medium-low speed maglev train |
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