CN207523395U - A kind of Vehicle Active Suspension System - Google Patents
A kind of Vehicle Active Suspension System Download PDFInfo
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- CN207523395U CN207523395U CN201721308943.6U CN201721308943U CN207523395U CN 207523395 U CN207523395 U CN 207523395U CN 201721308943 U CN201721308943 U CN 201721308943U CN 207523395 U CN207523395 U CN 207523395U
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Abstract
The utility model is related to a kind of Vehicle Active Suspension Systems, pressure regulating unit there are one being provided with, pressure regulating unit includes fluid pressure line, first hydraulic branch and Article 2 hydraulic branch are connected by fluid pressure line, also, a pressure limiting branch is drawn on fluid pressure line, pressure limiting branch road is provided with to act when the hydraulic pressure in fluid pressure line is more than setting value, discharge the hydraulic oil in fluid pressure line, to reduce the first limiting mechanism of pressure of hydraulic pressure.So, when the hydraulic pressure in fluid pressure line be more than setting value when limiting mechanism of pressure act, the hydraulic oil in fluid pressure line is made to discharge a part, hydraulic pressure in fluid pressure line will reduce, specifically it is reduced to setting value, maximum hydraulic pressure pressure in fluid pressure line is limited to setting value, maximum hydraulic pressure pressure is made to remain setting value, avoids the problem that damaging fluid pressure line due to internal hydraulic pressure is excessively high.
Description
Technical field
The utility model is related to a kind of Vehicle Active Suspension Systems, belong to automobile construction technical field.
Background technology
Suspension is the general name of all transmission joints between vehicle frame (or monocoque body) and vehicle bridge (or wheel).It
Function be road surface is acted on vertical reaction (supporting force) on wheel, longitudinal counter-force (tractive force and brake force) and it is lateral instead
Torque caused by power and these counter-forces will be transmitted on vehicle frame (or monocoque body), to ensure the normal row of automobile
It sails.
At present using passive type suspension on majority automobile, passive type suspension is that automobile attitude is merely able to passively depend on road
Face, traveling road conditions and elastic element, guider and the damper of automobile these machine components.Passive type suspension is in spite of each
The different structure type of kind, but be generally all made of elastic element, damper and guiding mechanism.
It is actively adjusted to realize, Authorization Notice No. is to disclose a kind of vehicle in the Chinese patent document of CN204037280U
Suspension system, which is active suspension system, and including two groups of hydraulic cylinders, first group of hydraulic cylinder is arranged in a vehicle body left side
Side, second group of hydraulic cylinder are arranged on the right side of vehicle body；Two hydraulic branch, first hydraulic branch connect each in first group of hydraulic cylinder
The cavity of resorption of each hydraulic cylinder in the epicoele of hydraulic cylinder and second group of hydraulic cylinder, Article 2 hydraulic branch connect each in first group of hydraulic cylinder
The epicoele of each hydraulic cylinder in the cavity of resorption of hydraulic cylinder and second group of hydraulic cylinder；Pressure regulating unit connects first by fluid pressure line
Hydraulic branch and Article 2 hydraulic branch pass through pressure regulating unit and adjust first hydraulic branch and Article 2 hydraulic branch
Middle hydraulic pressure realizes the "Left"-deviationist of suspension and the adjusting of Right deviation, increases active pressure and adjusts, vehicle is carried out actively when needed
Suspension is adjusted, and improves vehicle comfort level.But the principle that adjusts of suspension is pressure regulating unit adjust first hydraulic branch and
The pressure of hydraulic pressure in Article 2 hydraulic branch, therefore, the hydraulic pressure in fluid pressure line usually changes greatly, when hydraulic pressure mistake
When big, when especially being withstood forces beyond the maximum of fluid pressure line, fluid pressure line may be not only damaged, it is also possible to influence whether other machines
Structure, such as the normal operation of first hydraulic branch and Article 2 hydraulic branch, What is more, may damage entire suspension system
System.
Utility model content
The purpose of this utility model is to provide a kind of Vehicle Active Suspension System, to solve traditional suspension system in liquid
When hydraulic pressure is excessive in pressure pipe road, the problem of fluid pressure line may be damaged.
To achieve the above object, the embodiment of the utility model includes a kind of Vehicle Active Suspension System, including：
Two groups of hydraulic cylinders, for being arranged on the left of vehicle body, second group of hydraulic cylinder is used to be arranged in vehicle body first group of hydraulic cylinder
Right side；
Two hydraulic branch, first hydraulic branch connect the epicoele and second group of liquid of each hydraulic cylinder in first group of hydraulic cylinder
The cavity of resorption of each hydraulic cylinder in cylinder pressure, Article 2 hydraulic branch connect the cavity of resorption and second group of liquid of each hydraulic cylinder in first group of hydraulic cylinder
The epicoele of each hydraulic cylinder in cylinder pressure；
Pressure regulating unit, pressure regulating unit include fluid pressure line, and first hydraulic branch is connected by fluid pressure line
With Article 2 hydraulic branch, the liquid in first hydraulic branch and Article 2 hydraulic branch is accordingly adjusted by pressure regulating unit
Pressure pressure realizes suspension "Left"-deviationist and the adjusting of Right deviation；
A pressure limiting branch is drawn on the fluid pressure line, the pressure limiting branch road is provided with to work as in fluid pressure line
Hydraulic pressure acts when being more than setting value, the hydraulic oil in fluid pressure line is made to discharge a part to reduce the first of hydraulic pressure the limit
Press mechanism.
Limiting mechanism of pressure is provided in pressure regulating unit, when the hydraulic pressure in fluid pressure line is more than setting value time limit press
Structure acts, and the hydraulic oil in fluid pressure line is discharged a part, then, the hydraulic pressure in fluid pressure line will reduce, specifically
Setting value is reduced to, limits the maximum hydraulic pressure pressure in fluid pressure line, its maximum hydraulic pressure pressure is made to be avoided for setting value because of inside
Hydraulic pressure is excessively high and damages fluid pressure line.
First limiting mechanism of pressure is pressure limiting valve.
The pressure regulating unit further includes hydraulic pump, and the fluid pressure line includes inflow pipeline and reversal valve, described to change
It is connected to the oil inlet of valve with one end of inflow pipeline, the hydraulic pump is arranged on the inflow pipeline, the pressure limiting branch
It is drawn from the inflow pipeline, the first actuator port of the reversal valve connects first hydraulic branch, the commutation
Second actuator port of valve connects the Article 2 hydraulic branch.
The oil outlet of the reversal valve by flowline connect hydraulic oil container, the pressure limiting branch one end connection described in
Inflow pipeline, the other end connect the flowline.
First hydraulic branch is connected by corresponding orifice valve with the epicoele of each hydraulic cylinder in first group of hydraulic cylinder,
The Article 2 hydraulic branch is connected by corresponding orifice valve with the epicoele of each hydraulic cylinder in second group of hydraulic cylinder.
The first hydraulic accumulator is provided on first hydraulic branch, is provided on the Article 2 hydraulic branch
Two hydraulic accumulators.
The energy recycle device for being used to recycle suspension vibration energy the system also includes one, the energy recycle device
Hydraulic energy output terminal connected by switch valve with the oil inlet of the reversal valve, be used to implement the supplement of hydraulic energy.
The energy recycle device includes two-way hydraulic cylinder, hydraulic oil container and hydraulic accumulator, the epicoele of two-way hydraulic cylinder
Connected with the oil outlet of the first check valve and the oil inlet of the second check valve, the cavity of resorption of two-way hydraulic cylinder and third check valve into
The oil outlet of hydraulic fluid port and the 4th check valve connects, the oil inlet of the first check valve and the oil inlet and hydraulic oil container of the 4th check valve
Connection, the oil outlet of the second check valve and the oil outlet of third check valve are connected with the hydraulic fluid port of hydraulic accumulator, and the hydraulic pressure stores
The hydraulic fluid port of energy device is additionally provided with the second limiting mechanism of pressure for setting hydraulic accumulator maximum storage pressure.
Second limiting mechanism of pressure is pressure limiting valve.
The oil outlet of second check valve connects the oil inlet of the 5th check valve with the oil outlet of third check valve, described
The oil outlet of 5th check valve is connected with the hydraulic fluid port of the hydraulic accumulator.
Description of the drawings
Fig. 1 is Active suspension structure diagram；
Fig. 2 is the assembling schematic diagram of energy recycle device and suspension.
Specific embodiment
As shown in Figure 1, Vehicle Active Suspension System includes two groups of hydraulic cylinders, first group of hydraulic cylinder is arranged on the left of vehicle body,
Second group of hydraulic cylinder is arranged on the right side of vehicle body, and specific arrangement belongs to routine techniques, just no longer illustrates here.It is each
The number of hydraulic cylinder in group hydraulic cylinder is generally at least two, certainly, be also not excluded for only there are one situation, the present embodiment is
Convenient for explanation, it is made of in first group of hydraulic cylinder and second group of hydraulic cylinder two hydraulic cylinders.As shown in Figure 1, first group of liquid
Cylinder pressure includes hydraulic cylinder 11-1 and 11-3, and second group of hydraulic cylinder includes hydraulic cylinder 11-2 and 11-4.Also, hydraulic cylinder 11-1 and
11-2 is arranged on automobile front-axle, and hydraulic cylinder 11-3 and 11-4 are arranged on vehicle rear axle.
System further includes two hydraulic branch, for first hydraulic branch and Article 2 hydraulic branch, first hydraulic pressure branch
Road connects the cavity of resorption of the epicoele of each hydraulic cylinder and each hydraulic cylinder in second group of hydraulic cylinder in first group of hydraulic cylinder, Article 2 hydraulic pressure branch
Road connects the epicoele of the cavity of resorption of each hydraulic cylinder and each hydraulic cylinder in second group of hydraulic cylinder in first group of hydraulic cylinder, then, first
The epicoele of hydraulic branch connection hydraulic cylinder 11-1 and 11-3 and the cavity of resorption of hydraulic cylinder 11-2 and 11-4, Article 2 hydraulic branch connect
The cavity of resorption of logical hydraulic cylinder 11-1 and 11-3 and the epicoele of hydraulic cylinder 11-2 and 11-4.
System further includes pressure regulating unit, and pressure regulating unit includes fluid pressure line, passes through fluid pressure line connection the
One hydraulic branch and Article 2 hydraulic branch accordingly adjust first hydraulic branch and Article 2 liquid by pressure regulating unit
The hydraulic pressure in branch is pressed, realizes suspension "Left"-deviationist and the adjusting of Right deviation.Also, a pressure limiting branch is drawn on fluid pressure line,
Pressure limiting branch road is provided with limiting mechanism of pressure, is acted when the hydraulic pressure in fluid pressure line is more than setting value, will be in fluid pressure line
Hydraulic oil discharge a part, to reduce the hydraulic pressure in fluid pressure line.In the present embodiment, limiting mechanism of pressure is pressure limiting valve, profit
Its function is realized with internal mechanical structure, and certainly, limiting mechanism of pressure can also be other mechanisms with identical function, such as logical
It crosses to automatically control and realizes its function, then, limiting mechanism of pressure just includes pressure sensing cell, control unit and switch unit, opens
It closes unit to be arranged in fluid pressure line, pressure sensing cell detection hydraulic pressure, when hydraulic pressure is excessive, control unit control
Switch unit is opened, and realizes the effect of decompression.
Pressure regulating unit can be existing associated mechanisms, for example, quoted in background technology, Authorization Notice No. be
Structure disclosed in the Chinese patent document of CN204037280U, then, fluid pressure line is exactly the pipeline residing for hydraulic pump；Also may be used
To be structure provided in this embodiment, as shown in Figure 1, pressure regulating unit further includes hydraulic pump 14, fluid pressure line includes oil inlet
Pipeline and reversal valve 13, the reversal valve 13 specially proportional reversing valve, the P mouths (oil inlet) of reversal valve 13 and the one of inflow pipeline
End connection, hydraulic pump 14 are arranged on inflow pipeline, and the A mouths (the first actuator port) of reversal valve 13 connect first hydraulic pressure branch
Road, B mouths (the second actuator port) the connection Article 2 hydraulic branch of reversal valve 13.Further, in order to realize hydraulic oil return
It receives and utilizes, the T mouths (oil outlet) of reversal valve 13 connect hydraulic oil container 15, one end connection oil inlet of pressure limiting branch by flowline
Pipeline, other end connection flowline, the string of pressure limiting valve 16 are located at pressure limiting branch road.
First hydraulic branch is connected by corresponding orifice valve with the epicoele of each hydraulic cylinder in first group of hydraulic cylinder, and second
Hydraulic branch is connected by corresponding orifice valve with the epicoele of each hydraulic cylinder in second group of hydraulic cylinder, specially：First liquid
Pressure branch is connected by orifice valve 20-1 with the epicoele of hydraulic cylinder 11-1, and first hydraulic branch passes through orifice valve 20-3 and hydraulic pressure
The epicoele connection of cylinder 11-3, Article 2 hydraulic branch are connected by orifice valve 20-2 with the epicoele of hydraulic cylinder 11-2, Article 2 liquid
Pressure branch is connected by orifice valve 20-4 with the epicoele of hydraulic cylinder 11-4.Moreover, hydraulic pressure storage is provided on first hydraulic branch
Can device 12-2, be provided with hydraulic accumulator 12-1 on Article 2 hydraulic branch.
Hydraulic pump 14 provides power resources for Active suspension, and pressure limiting valve 16 ensure that inflow pipeline, i.e. pressure duct pressure
Power size.
Servo controller 19, suspension system ECU18 are additionally provided in order to correspondingly be controlled reversal valve 13, in system
Servo controller 19 is connected, corresponding control instruction, control commutation are exported for reversal valve 13 by carrying out processing to input signal
The aperture size of valve 13.
In addition, in order to recycle suspension vibration energy, and the energy of recycling is applied in active suspension system, system is also wrapped
Include an energy recycle device 17.In addition, energy is mended when energy recycle device 17 also is able to provide spare startup for Active suspension
It fills, can quickly realize pressure rise, the startup time of hydraulic pump 14 is provided for active suspension system.
As shown in Fig. 2, the present embodiment provides a kind of specific embodiment of energy recycle device 17.Energy recycle device 17
Including hydraulic cylinder 1, hydraulic oil container 3 and hydraulic accumulator 4.Also, hydraulic cylinder 1 is placed in suspension, and damping bullet is also equipped in suspension
Spring, the two, which is equivalent to, to be arranged in parallel, and hydraulic cylinder 1 is two-way hydraulic cylinder, and damping spring is used to implement the damping of vehicle.In order to prevent
Suspension vibration amplitude is excessive, and also for preventing, 1 compression degree of hydraulic cylinder is excessive, is additionally provided in suspension and is additionally provided with most in suspension
Small spacing position-limit mechanism, for limiting maximum Oscillation Amplitude.Further, Fig. 1 gives the one of minimum spacing position-limit mechanism
The specific structure of kind, the minimum spacing position-limit mechanism are made of upper supporting piece and lower support element, suspension MsEnd setting upper supporting piece,
Suspension MusEnd setting lower support element, then, when suspension vibration, upper supporting piece and lower support element move toward one another, and are suspended in compression
When, the distance of upper supporting piece and lower support element is gradually reduced, when the minimum spacing for moving to setting, upper supporting piece and lower support
Part contacts, mutual block, in pushing tow matching relationship, in this case, suspension MsEnd and MusThe minimum range at end is exactly above-mentioned setting
Minimum spacing.In addition, in order to lower pause and transition in rhythm or melody sense during suspension vibration, above-mentioned minimum spacing can be a numberical range, i.e.,
It is not rigid contact between upper supporting piece and lower support element, but has certain Elastic Contact range, for example upper supporting piece is under
It is touched between support element by a larger spring interface of elasticity.In addition, as other embodiments, minimum spacing position restrainer
Structure can also be directly rubber pad, can also play the role of limiting.
Relatively conventional in suspension since damping spring belongs to Conventional mechanisms, therefore, following emphasis is to energy recycle device
17 are described in detail.
As shown in Fig. 2, the epicoele of hydraulic cylinder 1 and the first check valve, the i.e. oil outlet of check valve 2-1 and the second check valve,
That is the oil inlet connection of check valve 2-2, cavity of resorption and the third check valve of hydraulic cylinder 1, the i.e. oil inlet of check valve 2-3 and the 4th list
To valve, i.e. the oil outlet connection of check valve 2-4, the oil inlet of check valve 2-1 and the oil inlet of check valve 2-4 and hydraulic oil container 3
Connection, the oil outlet of check valve 2-2 and the oil outlet of check valve 2-3 are connected with the hydraulic fluid port of hydraulic accumulator 4, hydraulic accumulator 4
Hydraulic fluid port be provided with limiting mechanism of pressure, for setting the maximum storage pressure of hydraulic accumulator 4, in the present embodiment, limiting mechanism of pressure is
Pressure limiting valve 5 realizes its function using internal mechanical structure, and certainly, limiting mechanism of pressure can also be other with identical function
Mechanism, for example, by automatically control realize its function, then, limiting mechanism of pressure just include pressure sensing cell, control unit and
Switch unit, switch unit are arranged on the hydraulic fluid port of hydraulic accumulator 4, pressure sensing cell detection storage pressure, when storage pressure
When excessive, control unit control switch unit is opened, and realizes the effect of decompression.Further, in order to ensure the recycling of hydraulic oil
It utilizes, the hydraulic fluid port of the oil inlet connection hydraulic accumulator 4 of pressure limiting valve 5, the oil outlet connection hydraulic oil container 3 of pressure limiting valve 5.So,
When the hydraulic pressure in hydraulic accumulator 4 is more than maximum storage pressure, pressure limiting valve 5 is opened, the hydraulic oil in hydraulic accumulator 4
A part will be discharged, then, the hydraulic pressure in hydraulic accumulator 4 will reduce, and therefore, can make liquid by pressure limiting valve 5
Hydraulic pressure maximum in pressure accumulator 4 remains the maximum storage pressure of setting, avoids leading due to internal hydraulic pressure is excessively high
Hydraulic accumulator is caused to be squeezed bad, moreover, when pressure limiting valve 5 is opened, hydraulic oil is recycled in hydraulic oil container 3.
In order to further ensure the one-way of hydraulic oil, check valve 2-5 is additionally provided in oil circuit, wherein, check valve 2-2's
Oil outlet connects the oil inlet of check valve 2-5, oil outlet and the hydraulic accumulator 4 of check valve 2-5 with the oil outlet of check valve 2-3
Hydraulic fluid port connection.Moreover, the hydraulic fluid port of hydraulic accumulator 4 is additionally provided with the P of switch valve 6, switch valve 6 and the reversal valve 13 in Fig. 1
Mouth connection.Switch valve 6 is closed in energy recovery process, and when switch valve 6 is opened, hydraulic accumulator 4 is actively
Suspension carries out pressure supplement, to its output hydraulic pressure energy.
In addition, the connection relation between each equipment is realized by connected pipes.
During suspension up-down vibration, 1 compression chamber of hydraulic cylinder, i.e. cavity of resorption pressure rise, when pressure is higher than 4 internal pressure of hydraulic accumulator
During power, check valve 2-2,2-3 and 2-5 between hydraulic accumulator 4 are opened, by hydraulic oil pressure into hydraulic accumulator 4；Hydraulic pressure
Cylinder 1 upholds chamber, i.e. upper cavity pressure reduces, and under the action of pressure differential, check valve 2-1 and 2-4 between hydraulic oil container 3 are beaten
It opens, the hydraulic oil in hydraulic oil container 3 enters hydraulic cylinder 1 and carries out volume compensation.
When reversal valve 13 is in an intermediate position, left and right hydraulic cylinder 11-1,11-2,11-3 and 11-4 interconnection, hydraulic pressure stores
The volume differences that energy device 12-1 and 12-2 compensating hydraulic cylinder movement generate；When reversal valve 13 is in upper, first hydraulic branch is
High pressure, Article 2 hydraulic branch are low pressure, then right side hydraulic cylinder 11-2 and 11-4 elongations, left side hydraulic cylinder 11-1 and 11-3 contracting
It is short, vehicle body left side is controlled, conversely, when reversal valve 13 is in the next, Article 2 hydraulic branch is high pressure, first hydraulic pressure branch
Road is low pressure, is tilted on the right side of Active suspension control vehicle body.By above-mentioned function, it can be achieved that active control to body roll posture
System.
It is returned in addition, energy recycle device 17 other than suspension vibration energy recovery mechanism, further includes down hill braking energy
Receiving apparatus, for the energy in down hill braking also to be recycled, down hill braking Energy Recovery Technology is the prior art.Work as vehicle
When normally travel is without rollover danger, central processing unit sends a signal to energy recycle device, utilizes vibration energy regeneration machine
Structure is recycled and is stored to suspension vibration energy, and when the vehicle is driving downhill, the down hill braking energy of energy recycle device returns
Receiving apparatus collects the energy that braking generates and storage, and when occurring turning on one's side dangerous, the energy stored provides energy for Active suspension
Amount supply.
Specific embodiment is presented above, but the utility model is not limited to described embodiment.This practicality
Novel basic ideas are above-mentioned basic scheme, for those of ordinary skill in the art, introduction according to the present utility model,
The model, formula, parameter for designing various modifications do not need to spend creative work.In the principle for not departing from the utility model
The scope of protection of the utility model is still fallen with the change, modification, replacement and modification carried out in the case of spirit to embodiment
It is interior.
Claims (10)
1. a kind of Vehicle Active Suspension System, including：
Two groups of hydraulic cylinders, for being arranged on the left of vehicle body, second group of hydraulic cylinder is used to be arranged on the right side of vehicle body first group of hydraulic cylinder；
Two hydraulic branch, first hydraulic branch connect the epicoele and second group of hydraulic cylinder of each hydraulic cylinder in first group of hydraulic cylinder
In each hydraulic cylinder cavity of resorption, Article 2 hydraulic branch connect first group of hydraulic cylinder in each hydraulic cylinder cavity of resorption and second group of hydraulic cylinder
In each hydraulic cylinder epicoele；
Pressure regulating unit, pressure regulating unit include fluid pressure line, and first article of hydraulic branch and the are connected by fluid pressure line
Two hydraulic branch accordingly adjust the hydraulic pressure pressure in first hydraulic branch and Article 2 hydraulic branch by pressure regulating unit
Power realizes suspension "Left"-deviationist and the adjusting of Right deviation；
It is characterized in that, drawing a pressure limiting branch on the fluid pressure line, the pressure limiting branch road is provided with to work as hydraulic pressure
Hydraulic pressure in pipeline acts when being more than setting value, and the hydraulic oil in fluid pressure line is made to discharge a part to reduce hydraulic pressure
The first limiting mechanism of pressure.
2. Vehicle Active Suspension System according to claim 1, which is characterized in that first limiting mechanism of pressure is pressure limiting
Valve.
3. Vehicle Active Suspension System according to claim 1 or 2, which is characterized in that the pressure regulating unit also wraps
Hydraulic pump is included, the fluid pressure line includes inflow pipeline and reversal valve, the oil inlet of the reversal valve and one end of inflow pipeline
Connection, the hydraulic pump are arranged on the inflow pipeline, and the pressure limiting branch is drawn from the inflow pipeline, the commutation
First actuator port of valve connects first hydraulic branch, and the second actuator port of the reversal valve connects the Article 2
Hydraulic branch.
4. Vehicle Active Suspension System according to claim 3, which is characterized in that the oil outlet of the reversal valve is by going out
Oil-piping connects hydraulic oil container, and one end of the pressure limiting branch connects the inflow pipeline, and the other end connects the flowline.
5. Vehicle Active Suspension System according to claim 1 or 2, which is characterized in that first hydraulic branch leads to
The epicoele that corresponding orifice valve is crossed with each hydraulic cylinder in first group of hydraulic cylinder connects, and the Article 2 hydraulic branch passes through corresponding
Orifice valve is connected with the epicoele of each hydraulic cylinder in second group of hydraulic cylinder.
6. Vehicle Active Suspension System according to claim 1 or 2, which is characterized in that on first hydraulic branch
The first hydraulic accumulator is provided with, the second hydraulic accumulator is provided on the Article 2 hydraulic branch.
7. Vehicle Active Suspension System according to claim 3, which is characterized in that the system also includes one to be used for back
Receive the energy recycle device of suspension vibration energy, the hydraulic energy output terminal of the energy recycle device by switch valve with it is described
The oil inlet connection of reversal valve.
8. Vehicle Active Suspension System according to claim 7, which is characterized in that the energy recycle device includes two-way
The oil outlet and the second check valve of hydraulic cylinder, hydraulic oil container and hydraulic accumulator, the epicoele of two-way hydraulic cylinder and the first check valve
Oil inlet connection, the cavity of resorption of two-way hydraulic cylinder connects with the oil outlet of the oil inlet of third check valve and the 4th check valve, the
The oil inlet of the oil inlet of one check valve and the 4th check valve is connected with hydraulic oil container, the oil outlet of the second check valve and third list
It is connected to the oil outlet of valve with the hydraulic fluid port of hydraulic accumulator, the hydraulic fluid port of the hydraulic accumulator is additionally provided with to be stored for setting hydraulic pressure
Second limiting mechanism of pressure of energy device maximum storage pressure.
9. Vehicle Active Suspension System according to claim 8, which is characterized in that second limiting mechanism of pressure is pressure limiting
Valve.
10. Vehicle Active Suspension System according to claim 8 or claim 9, which is characterized in that second check valve it is fuel-displaced
Mouth connects the oil inlet of the 5th check valve, oil outlet and the hydraulic pressure of the 5th check valve with the oil outlet of third check valve
The hydraulic fluid port connection of accumulator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721308943.6U CN207523395U (en) | 2017-10-11 | 2017-10-11 | A kind of Vehicle Active Suspension System |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721308943.6U CN207523395U (en) | 2017-10-11 | 2017-10-11 | A kind of Vehicle Active Suspension System |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207523395U true CN207523395U (en) | 2018-06-22 |
Family
ID=62570224
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721308943.6U Active CN207523395U (en) | 2017-10-11 | 2017-10-11 | A kind of Vehicle Active Suspension System |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207523395U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109733153A (en) * | 2018-11-30 | 2019-05-10 | 梁安治 | A kind of vehicle anti-dumping self-balancing system with double-action hydraulic damper |
| CN112092558A (en) * | 2019-06-17 | 2020-12-18 | 优软(上海)汽车悬架有限公司 | Balance shaft type hydro-pneumatic suspension mechanism, suspension hydraulic system and vehicle |
-
2017
- 2017-10-11 CN CN201721308943.6U patent/CN207523395U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109733153A (en) * | 2018-11-30 | 2019-05-10 | 梁安治 | A kind of vehicle anti-dumping self-balancing system with double-action hydraulic damper |
| CN112092558A (en) * | 2019-06-17 | 2020-12-18 | 优软(上海)汽车悬架有限公司 | Balance shaft type hydro-pneumatic suspension mechanism, suspension hydraulic system and vehicle |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 450061 Yudao Road, Guancheng District, Zhengzhou City, Henan Province Patentee after: Yutong Bus Co.,Ltd. Address before: 450016 Yutong Industrial Zone, eighteen Li River, Henan, Zhengzhou Patentee before: ZHENGZHOU YUTONG BUS Co.,Ltd. |
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| CP03 | Change of name, title or address |