CN106427455B - Vehicle suspension and vehicle - Google Patents
Vehicle suspension and vehicle Download PDFInfo
- Publication number
- CN106427455B CN106427455B CN201610942098.1A CN201610942098A CN106427455B CN 106427455 B CN106427455 B CN 106427455B CN 201610942098 A CN201610942098 A CN 201610942098A CN 106427455 B CN106427455 B CN 106427455B
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- oil cylinder
- valve
- rodless cavity
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- 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 present invention relates to a kind of vehicle suspensions, including power adjustment unit and even number oil cylinder, all oil cylinders are divided to two groups of settings, respectively left oil cylinder group and right oil cylinder group, oil cylinder in oil cylinder and the right oil cylinder group in the left oil cylinder group corresponds, and the rodless cavity for corresponding to oil cylinder in the left oil cylinder group in the rod chamber of each oil cylinder and the right oil cylinder group is connected；The oil cylinder is connected with the power adjustment unit.The invention has the benefit that the rod chamber and rodless cavity of oil cylinder interconnect, when Vehicular turn rolls, the movement tendency of two sides suspension is prevented, plays the role of good anti-side and inclines；Rodless cavity two accumulators of parallel connection, are adjusted suspension rate according to driving cycle, effectively improve riding comfort and control stability.
Description
Technical field
The invention belongs to automotive suspension technical fields, and in particular to a kind of double gas chamber variation rigidity anti-side are inclined hydro pneumatic suspension.
Background technique
Cannot change after the completion of orthodox car suspension rate and damping characteristic design, strongly limit automotive performance into one
Step is promoted, and as the promotion of the performances such as automobile various kinds of sensors, controller and price decline, carries out suspension rate by controller
Simultaneously practical application is possibly realized damping control, and with the continuous improvement that ride comfort performance of the people to automobile requires, automobile is outstanding
Frame vibration isolation increasingly attracts people's attention.The mainly passive interconnection hydro pneumatic suspension of current automobile oil gas suspension, passes through difference
Oil cylinder interconnection improves anti-rolling capability, equiblibrium mass distribution multi-wheeler wheel load, but suspension rate to wheel suspension up and down and damping cannot
It adjusts, vehicle ride comfort and driving safety cannot under the different operating conditions such as slippery traffic surface, cross-country road, zero load, fully loaded for automobile
It is effectively improved.
In conclusion existing necessity invents a kind of hydro pneumatic suspension, which on the one hand can be according to car load, road
Noodles part etc. is different and changes suspension rate, adjusts damping size；On the other hand vehicle can be prevented when Vehicular turn rolls
The movement tendency of two sides suspension plays the role of good anti-side and inclines.
Summary of the invention
In order to solve the above problems existing in the present technology, incline oil gas the present invention provides a kind of double gas chamber variation rigidity anti-side
Suspension.
Used technical solution of the invention are as follows: a kind of double gas chamber variation rigidity anti-side are inclined hydro pneumatic suspension, including power tune
Section unit and even number oil cylinder, all oil cylinders are divided to two groups of settings, respectively left oil cylinder group and right oil cylinder group, the left oil
Oil cylinder in oil cylinder and the right oil cylinder group in cylinder group corresponds, each oil cylinder and the right oil in the left oil cylinder group
Corresponding oil cylinder is connected in cylinder group, and each oil cylinder in the left oil cylinder group is connected with corresponding oil cylinder in the right oil cylinder group
It is logical；The oil cylinder is connected with the power adjustment unit.
Further preferably the quantity of the oil cylinder is two, respectively the first oil cylinder and the second oil cylinder, first oil
The rodless cavity of cylinder is connected with the rod chamber of second oil cylinder, the nothing of the rod chamber of first oil cylinder and second oil cylinder
Rod cavity is connected.
It is further that preferably the rodless cavity of first oil cylinder is connected with the rodless cavity of second oil cylinder, and described the
The rod chamber of one oil cylinder is connected with the rod chamber of second oil cylinder.
Further preferably the power adjustment unit includes oil pump, accumulator and valve group, the accumulator and the valve
Group is arranged between the oil pump and the oil cylinder.
It is further preferred, it is set on the pipeline between the rodless cavity of first oil cylinder and the rod chamber of second oil cylinder
It is equipped with the accumulator and/or the valve group, between the rod chamber of first oil cylinder and the rodless cavity of second oil cylinder
The accumulator and/or the valve group are provided on pipeline.
It is further preferred, it is respectively provided on the rodless cavity of the rodless cavity of first oil cylinder and second oil cylinder
State accumulator.
Further preferably the valve group includes the first valve group, the second valve group and third valve group, and first valve group is arranged
Between the accumulator and the rodless cavity, second valve group is arranged in the accumulator and the first oil cylinder, the second oil cylinder
Between, the third valve group is arranged between the rodless cavity of different oil cylinders and the rod chamber.
Specifically, first valve group includes two check valves, two normal open holes and solenoid valve, two check valves
Contrary setting, a check valve and a normal open hole are connected in series to form the first pipeline, another is described unidirectional
Valve and another described normal open hole are connected in series to form the second pipeline；First pipeline is in parallel with second pipeline, described
First pipeline is connected in series with the solenoid valve with second pipeline；
Specifically, second valve group includes check valve, two normal open holes and switch valve, a normal open hole with it is described
Switch valve is in parallel, and a normal open hole is connected in series with the check valve with the switch valve, another described normal open hole
It is arranged in parallel with a normal open hole, the switch valve and the check valve；
Specifically, the third valve group includes normal open hole and check valve, the normal open hole is in parallel with the check valve to be set
It sets.
Further preferred, the rodless cavity of the rodless cavity of first oil cylinder and second oil cylinder is connected to fuel tank.
Further preferably, it is all provided between the rodless cavity and fuel tank of the rodless cavity of first oil cylinder, second oil cylinder
It is equipped with overflow valve.
The invention has the benefit that
The rod chamber and rodless cavity of different oil cylinders interconnect, and when Vehicular turn rolls, prevent the movement tendency of two sides suspension,
Play the role of good anti-side to incline；
Rodless cavity two accumulators of parallel connection, suspension rate can be adjusted according to driving cycle, specifically, passing through electromagnetism
Valve opening and closing come control accumulator whether with rodless cavity connect, when rodless cavity and two accumulator (two that side rodless cavity is connect
A accumulator marks respectively) connection when rigidity reduce, solenoid valve close rodless cavity only be connected to an accumulator, suspension rate increasing
Greatly, riding comfort and control stability are effectively improved；
Solenoid valve and normal open hole are in parallel, by electromagnetic valve for adjusting orifice size, realize that damping is actively controlled according to driving cycle
System, so that vehicle body of decaying effectively improves vehicle riding comfort in the vibration on different road surfaces；
By the way that overflow valve is arranged, oil liquid is flowed out by overflow valve, prevents oil cylinder internal pressure excessively high and damage, provide overload
Defencive function avoids the premature breakdown under surge such as rodless cavity oil sealing.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of one embodiment of vehicle suspension of the present invention；
Fig. 2 is the structural schematic diagram of another embodiment of vehicle suspension of the present invention.
In figure: 1, oil cylinder；11, the first oil cylinder；12, the second oil cylinder；2, oil pump；3, accumulator；4, valve group；41, the first valve
Group；42, the second valve group；43, third valve group；411, check valve；412, normal open hole；413, solenoid valve；414, switch valve；5, oily
Case；6, controller；7, gyroscope；8, overflow valve.
Specific embodiment
As shown in Figure 1, the present invention provides a kind of vehicle suspension, including power adjustment unit and even number oil cylinder, own
Oil cylinder be divided to two groups of settings, respectively left oil cylinder group and right oil cylinder group, the oil cylinder in oil cylinder and right oil cylinder group in left oil cylinder group
It corresponds, 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.
A kind of preferable embodiment, the quantity of oil cylinder 1 are two, respectively the 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, and inboard wheel is upheld, the rod chamber and rodless cavity of oil cylinder
Interconnection, prevents the movement tendency of two sides suspension, plays the role of good anti-side and incline.
Further, the rodless cavity of the first oil cylinder 11 is connected with the rodless cavity of the second oil cylinder 12, and the first oil cylinder 11 has
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 connect with an accumulator,
The movement tendency of two sides suspension further is prevented, further plays the role of good anti-side and inclines.
Power adjustment unit includes oil pump 2, accumulator 3 and valve group 4, and accumulator 3 and valve group 4 are arranged in oil pump 2 and oil cylinder 1
Between.
Gas and oil liquid are separated by elastic diaphragm inside accumulator 3, top is gas chamber, and plenum interior seals elevated pressure nitrogen
Gas, lower part are liquid chambers, and oil liquid is small using viscosity such as greasy property good silicone oil or aero oil, the temperature-resistant oil of performance
Liquid, diaphragm are the excellent flexible rubber films of gas sealing ability, and periphery is fixed with accumulator, and centre can be with gas compression degree not
It is same to float up and down.
A kind of preferable embodiment, on the pipeline between the rodless cavity of the first oil cylinder 11 and the rod chamber of the second oil cylinder 12
It is provided with accumulator 3 and/or valve group 4, is set on the pipeline between the rod chamber of the first oil cylinder 11 and the rodless cavity of the second oil cylinder 12
It is equipped with accumulator 3 and/or valve group 4；In addition, being provided on the rodless cavity of the rodless cavity of the first oil cylinder 11 and the second oil cylinder 12
Accumulator 3.
Rodless cavity and rod chamber are divided by piston in oil cylinder 1, rodless cavity and two accumulators 3 are connected in parallel, and bear vehicle
Load and prefabricating load, can carry out 2 grades of stiffness tunings, be connected between accumulator 3 and oil cylinder 1 by valve group 4, for damping
It actively adjusts, valve group 4 generally includes normal open hole 412, switch valve 414, check valve 411, overflow valve 8 etc., and suspension damping can root
It carries out 2 grades of dampings according to road conditions to adjust, suspension compresses stroke, oil liquid flows into energy storage from 411 two accesses in normal open hole 412 and check valve
Device 3, and damp and can carry out active control, suspension extension stroke oil according to road conditions by switch electromagnetic valve or proportion magnetic valve
The check valve (being not marked in figure) and normal open hole (being not marked in figure) that liquid is in parallel below by normal open hole 412 flow back to oil cylinder 1, oil
The rodless cavity of cylinder 1 is connected to the rod chamber of another side cylinder 1, is played the role of anti-side and is inclined.
Specifically, valve group 4 includes the first valve group 41, the second valve group 42 and third valve group 43, the setting of the first valve group 41 is being stored up
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, third valve group
It is arranged between the rodless cavity and rod chamber of different oil cylinders；First valve group 41 includes two check valves, 411, two normal open holes 412
With solenoid valve 413, the contrary setting of two check valves 411, a check valve 411 and a normal open hole 412 are connected in series shape
At the first pipeline, another check valve 411 and another normal open hole 412 are connected in series to form the second pipeline；First pipeline and second
Pipeline is in parallel, and the first pipeline is connected in series with solenoid valve 413 with the second pipeline；Second valve group 42 includes 411, two, check valve
Normal open hole 412 and switch valve 414, a normal open hole 412 are in parallel with switch valve 414, a normal open hole 412 and switch valve 414
It is connected in series with check valve 411, another normal open hole 412 is in parallel with a normal open hole 412, switch valve 414 and check valve 411
Setting；Third 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
The setting of valve group is stated, so that multistage adjusting may be implemented in the damping of oil cylinder.
The rodless cavity of a kind of preferable embodiment, the rodless cavity of the first oil cylinder 11 and the second oil cylinder 12 connects with fuel tank 5
It is logical.Further, overflow valve is provided between the rodless cavity and fuel tank 5 of the rodless cavity of the first oil cylinder 11, the second oil cylinder 12
8.When wheel encounters king-sized impact, oil cylinder internal pressure is excessively high and damage in order to prevent, and oil liquid is flowed out by overflow valve 8,
Overload protection function is provided, the premature breakdown under surge such as rodless cavity oil sealing is avoided.
Gas and oil liquid are separated by elastic diaphragm inside the accumulator 3 of hydro pneumatic suspension, top is gas chamber, plenum interior
High pressure nitrogen is sealed, lower part is oil liquid, and the oil liquid silicone oil good using greasy property, diaphragm is the excellent flexible rubber of gas sealing ability
Glue film, periphery are fixed with accumulator, and centre can float up and down with gas compression degree difference.
Two parts up and down are divided by piston in the oil cylinder 1 of hydro pneumatic suspension, are divided into rod chamber and rodless cavity, rodless cavity and two
A 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 by valve group connect, for damp actively adjust, 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 adjustings according to road conditions, suspension compresses stroke, and oil liquid is from normal open hole
412 and 411 two accesses of check valve flow into accumulators 3, and damp can by switch electromagnetic valve or proportion magnetic valve according to
Road conditions carry out active control, and suspension extension stroke oil liquid passes through the check valve (being not marked in figure) that normal open hole 412 is in parallel below
Oil cylinder 1 is flowed back to normal open hole (being not marked in figure).The rodless cavity of oil cylinder 1 is connected to the rod chamber of another side cylinder 1, plays anti-side
Incline effect.
Suspension in this programme can be divided into comfortable and movement both of which, need to change suspension rigid according to rigidity difference
When spending, selection is opened and closed by solenoid valve 413 and accesses one or two accumulator 3, to realize that different suspension rates is adjusted, connect
Enter 3 suspension rate of an accumulator increase in motor pattern, accesses two accumulator rigidity and be reduced to comfort mode, suspension is rigid
Degree can be set by driver, can also be automatically controlled according to driving cycle, load etc., be met given travel duty requirements.
When vehicle drives at a constant speed in good road surface straight line, the rodless cavity of suspension oil cylinder 1 accesses two accumulators 3, at suspension
In comfort mode, two accumulators 3 are in parallel to provide suspension rate, is conducive to improve vehicle riding comfort；On rugged cross-country road
Face straight-line travelling, in order to guarantee that body gesture is stable and driving safety, movement, the suspensions such as reduction vehicle pitching, inclination only access
One accumulator 3, vertical stiffness increase, and are conducive to improve wheel road surface adhesion property, encounter on protrusion impact wheel when jumping, nothing
Rod cavity oil liquid flows to accumulator 3 by normal open hole, while all solenoid valves in parallel with normal open hole are opened, and a part of oil liquid passes through
The solenoid valve 413 of opening flows into accumulator 3, and suspension damping is adjusted to minimum, alleviates vehicle high-speed impact, at this time rod chamber volume
Increase, oil liquid a part of rodless cavity flows to the rod chamber of the other side；When wheel knock-ons, the oil liquid of accumulator 3 passes through normal open hole
Normal open hole and check valve below 412 and the normal open hole in valve group 4 flow into rodless cavity, provide big damping, and in rod chamber
Oil liquid flows into the rodless cavity of the other side by interconnecting pipes.When Vehicular turn rolls, outboard axle is compressed, and inboard wheel is stretched
, rod chamber and the rodless cavity interconnection of oil cylinder 1 prevent the movement tendency of two sides suspension, play the role of good anti-side and incline.
In stationary vehicle or operating condition is run at a low speed, oil pump 2 and central accumulator (being not drawn into figure) pass through reversal valve and electricity
Magnet valve 413 provides high pressure oil to rodless cavity, and bodywork height increases, and two side cylinder of front suspension is respectively by two solenoid valves (see attached drawing
Solenoid valve above oil pump 2) individually control, two side cylinder 1 of rear suspension is by a solenoid valve control；It needs to reduce bodywork height
When, solenoid valve (see the solenoid valve above attached drawing oil pump 2) is opened, and part rodless cavity oil liquid passes through reversal valve from oil return line stream
Out, bodywork height reduce, bodywork height adjustment can manually or automatically adjust, according to the displacement sensor of built-in suspension come
It determines suitable bodywork height, vehicle attitude control can be carried out automatically.
When wheel encounters king-sized impact, 1 internal pressure of oil cylinder is excessively high and damage in order to prevent, and oil liquid passes through overflow valve
8 outflows, provide overload protection function, avoid the premature breakdown under surge such as rodless cavity oil sealing.
The scheme of the invention mainly has the innovation of the following aspects:
One, top and the bottom are divided by piston in hydro pneumatic suspension oil cylinder of the present invention, rodless cavity and two diaphragm accumulators connect
It connects, filled with nitrogen in accumulator, adjusts suspension rate by connecting one or two accumulator, vehicle has comfort mode and fortune
Dynamic model formula two stage stiffness, suspension are connect with two accumulators, and vehicle has good riding comfort, are in comfort mode；Suspension
It is only connect with an accumulator, suspension rate increases, and vehicle has good road surface adhesion property, is in motor pattern；Side
Rod chamber and the interconnection of the rodless cavity of the other side, vehicle play the role of anti-side when turning to and incline, and two interconnecting pipes pass through electromagnetism
Valve connection, is connected when necessary for reducing two sides accumulator pressure difference.Specifically, only manually or automatically beating when needed
Open electromagnetic valve, such as need two sides vehicle body automatic leveling or in the balance two sides tyre load distribution of severe road surface, avoid unilateral side
Situations such as crossing large impact.
Two, it in suspension compresses, is damped by valve group solenoid valve control, passes through one or two solenoid valves in parallel, pressure
Contracting forms Multi-stage damping control, reduces Vehicular vibration, improves vehicle driving comfort；The rod chamber oil liquid of oil cylinder has a level pressure
Power avoids and generates cavitation when suspension quickly moves, and air pocket can reduce suspension property, or even cause spot corrosion broken oil cylinder
It is bad.
Three, suspension oil cylinder is quickly filled with liquid to the upper and lower chamber of oil cylinder from central high-voltage energy storage device by reversal valve and solenoid valve
Pressure oil (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 is realized manually or automatically continuous
Adjust, front suspension by two solenoid valves individually control oil liquid enter and leave oil cylinder, rear suspension only with a solenoid valve control oil liquid into
Oil cylinder out realizes that energy consumption can be greatly reduced in vehicle body automatic flat-adjustable function, central accumulator, improves adjustment speed.
Four, system can also be added in the rod chamber and rodless cavity connecting line of different oil cylinders a normal open damping hole and
Check valve is as shown in Fig. 2 chain lines frame, and damping hole reduces body vibrations caused by oil liquid flows by throttling action, unidirectionally
Oil liquid can be flowed into rod chamber in time when suspension is by large impact by valve, avoided the excessive vibration of vehicle body, prevented Hydraulic Elements from damaging
It is bad.
Compared with commonly interconnection hydro pneumatic suspension, first is that, the common hydro pneumatic suspension that interconnects not can be carried out stiffness tuning, and the present invention will
Oil cylinder and two accumulator parallel connections, are adjusted suspension rate according to driving cycle, effectively improve riding comfort
And control stability；Second is that commonly interconnection hydro pneumatic suspension not can be carried out damping control, the present invention is by by solenoid valve and normal open hole
Parallel connection realizes damping active control according to driving cycle, reduces body vibrations, effectively by electromagnetic valve for adjusting orifice size
Improve vehicle riding comfort；Third is that suspension compresses and extension, are all throttled by normal open hole, suspension compresses shape journey oil liquid is also
Accumulator is flowed by check valve and solenoid valve access in parallel, hinders suspension with compression travel by simple and compact design
Buddhist nun is small and extension stroke damps big characteristic, effectively inhibits body vibrations, the not no expensive ratio of the solenoid valve that the present invention uses
Example valve and servo valve, are controlled by using reversal valve, high-speed switch valve etc., significantly reduce system cost, are realized just
Degree continuously adjusts and damps multistage adjusting, and suspension property is effectively promoted.
It should be noted that the accumulator 3 in one, this programme can also be integrated into outside oil cylinder 1 with oil cylinder 1
One, makes more compact structure；Two, it can integrate displacement sensor and pressure sensor inside oil cylinder 1；Third is that the electricity in valve group 4
Proportioning valve can be used to realize that damping continuously adjusts in magnet valve；Fourth is that rodless cavity valve group can pass through multistage adjustable throttling in parallel
Hole and solenoid valve realize suspension compresses and damp multistage adjust 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 inspiration of the present invention
Obtain other various forms of products, however, make any variation in its shape or structure, it is all with same as the present application
Or similar technical solution, it is within the scope of the present invention.
Claims (6)
1. a kind of vehicle suspension, it is characterised in that: including power adjustment unit and even number oil cylinder, all oil cylinders are divided to two
Group is arranged, respectively left oil cylinder group and right oil cylinder group, the oil cylinder one in oil cylinder and the right oil cylinder group in the left oil cylinder group
One is corresponding, and each oil cylinder in the left oil cylinder group is connected with corresponding oil cylinder in the right oil cylinder group；The oil cylinder and institute
Power adjustment unit is stated to be connected；
The quantity of the oil cylinder (1) is two, respectively the first oil cylinder (11) and the second oil cylinder (12), first oil cylinder (11)
Rodless cavity be connected with the rod chamber of second oil cylinder (12), the rod chamber of first oil cylinder (11) and it is described second oil
The rodless cavity of cylinder (12) is connected；
Wherein, the power adjustment unit includes oil pump (2), accumulator (3) and valve group (4), the accumulator (3) and the valve
Group (4) is arranged between the oil pump (2) and the oil cylinder (1)；
The accumulator is provided on the rodless cavity of first oil cylinder (11) and the rodless cavity of second oil cylinder (12)
(3)；
Wherein, the valve group (4) includes the first valve group (41), the second valve group (42) and third valve group (43), first valve group
(41) it is arranged between the accumulator (3) and the rodless cavity, the accumulator (3) passes through second valve group (42) and institute
The pipeline stated between the first oil cylinder (11) and second oil cylinder (12) is connected, and different oil cylinders are arranged in the third valve group
Between the rodless cavity and the rod chamber.
2. vehicle suspension according to claim 1, it is characterised in that: the rodless cavity of 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 first oil cylinder (11) and second oil cylinder (12)
Connection.
3. vehicle suspension according to claim 1, it is characterised in that: the rodless cavity of first oil cylinder (11) and described the
The accumulator (3) and the valve group (4), first oil cylinder are provided on pipeline between the rod chamber of two oil cylinders (12)
(11) accumulator (3) and the valve are provided on the pipeline between the rodless cavity of rod chamber and second oil cylinder (12)
Group (4).
4. vehicle suspension according to claim 1, it is characterised in that: first valve group (41) includes two check valves
(411), two normal open holes (412) and solenoid valve (413), the contrary setting of two check valves (411), described in one
Check valve (411) and a normal open hole (412) are connected in series to form the first pipeline, another described check valve (411) and another
One normal open hole (412) is connected in series to form the second pipeline；First pipeline is in parallel with second pipeline, and described
One pipeline is connected in series with the solenoid valve (413) with second pipeline；
Second valve group (42) includes check valve (411), two normal open holes (412) and switch valve (414), a normal open
It is connected in series after hole (412) and the switch valve (414) are in parallel with the check valve (411), to form third pipeline；Another
The normal open hole (412) is in parallel with the third pipeline；
The third valve group (43) includes normal open hole (412) and check valve (411), the normal open hole (412) and the check valve
(411) be in parallel setting.
5. vehicle suspension according to claim 1, it is characterised in that: the rodless cavity of first oil cylinder (11) and described
The rodless cavity of two oil cylinders (12) is connected to fuel tank (5)；The rodless cavity of first oil cylinder (11), second oil cylinder (12)
Overflow valve (8) are provided between rodless cavity and fuel tank (5).
6. a kind of vehicle characterized by comprising vehicle suspension described in any one of claim 1-5, the vehicle are outstanding
The bottom of vehicle body is arranged in frame.
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 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106427455A CN106427455A (en) | 2017-02-22 |
| CN106427455B true CN106427455B (en) | 2019-01-29 |
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ID=58177403
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610942098.1A Expired - Fee Related CN106427455B (en) | 2016-10-25 | 2016-10-25 | Vehicle suspension and vehicle |
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| CN110259868A (en) * | 2019-06-11 | 2019-09-20 | 浙江工业大学 | A kind of adaptive damping interconnection damper unit |
| 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 |
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| 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 |
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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 |
-
2016
- 2016-10-25 CN CN201610942098.1A patent/CN106427455B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
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| CN106427455A (en) | 2017-02-22 |
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