CN208793507U - A kind of support damping device and the vehicle using the support damping device - Google Patents
A kind of support damping device and the vehicle using the support damping device Download PDFInfo
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Abstract
Present document relates to a kind of support damping device and using the vehicle of the support damping device, the support damping device includes: support spring, hydraulic cylinder, valve module, load-sensing unit, control assembly；It is characterized in that: load-sensing unit measures support damping device to the support force value of institute's supporter, and force value will be supported to be compared with the gravity for setting force value or support damping device institute supporter, and control the damping of damper by the modes such as mechanical, hydraulic or automatically controlled by control assembly according to comparison result, to adjust the support force value of support damping device, the support force value of support damping device is made to be equal or close to the gravity of setting force value or support damping device institute supporter.
Description
Technical field
The present invention relates to the support for the object for needing vibrationproof or vibration damping and vibration dampings, especially suitable for vehicle hanging and subtract
Vibration.
Background technique
In order to make vehicle smooth-ride under different pavement conditions, the suspension of vehicle and oscillation damping method then seem quite heavy
It wants, common damper is divided into passive type, semi-active type (adjustable) and active subtracts damper.
Passive type damper: the suspension and oscillation damping method that common spring is constituted with damper cooperation belong to passive type and subtract
Vibration, damper is after design installs, and damping value with load just it has been determined that cannot change and adjust, in use process not
The vibration in vehicle travel process can preferably be filtered out.
Semi-active type damper: semi-active type damper application is less universal, and damping can have ready conditions adjusting, but due at
This is relatively high, and safeguards more difficult and also fairly limited to the vibration filtering effect in vehicle travel process.
Active vibration damping device: active vibration damping device is then applied less, and by area of computer aided observation and control technology, effect is relatively
It is good, but cost is very high, and reliability is insufficient, and difficult in maintenance, technical difficulty is big.
The object of vibrationproof or vibration damping is needed, currently used method is also that same Vehicle damper method is similar, belongs to passive type
Vibration damping initiatively can not adjust damping according to object receiving force situation.
Summary of the invention
The technical problem to be solved in the present invention
Enable damper according to support spring and damper to the stress condition in institute's supporting object vibration processes, automatically
The damping of damper is adjusted, support force of the power to spring and damper institute supporter of external application in vehicular motion is reduced
Influence, to reduce or eliminate vibration.Especially road traveling of the vehicle when being uneven when, reduce due to Uneven road
Caused by the vibration of vehicle and jolt in driving process.
Technical solution of the present invention
With load-sensing unit measurement support damping device to the support force value of institute's supporter, control assembly will support force value and set
The gravity for determining force value or support damping device institute supporter is compared, and is passed through according to comparison result mechanical, hydraulic or automatically controlled etc.
Mode controls the damping of damper, to adjust the support force value of support damping device, makes the support force value of support damping device
Equal or close to setting force value or the gravity of support damping device institute supporter.
A kind of support damping device of scheme 1. includes: support spring, hydraulic cylinder, valve module, load-sensing unit, control assembly；
It is characterized in that: load-sensing unit measures support damping device to the support force value of institute's supporter, and the power that will support force value and setting
The gravity of value or support damping device institute supporter is compared, and according to comparison result by the resistance of control assembly control valve group
Buddhist nun makes the support force value of support damping device be equal or close to setting power to adjust the support force value of support damping device
Value, or equal or close to the gravity of support damping device institute supporter.
Support damping device: refer to the device with supporting role and damping effect.Such as branch with support spring and damper
Pillar damper；Such as use the air spring and damper combination of AIRMATIC Dual Control；As load bearing spring and damper separate cloth
The spring and damper combination set；And accumulator (19), hydraulic valve (pressure reducing valve (21), overflow valve (23)) and list herein
The support vibration insulating system that acting cylinder (20) is constituted all is to belong to support damping device.
Support spring: referring to the elastomeric element with energy storage effect, such as helical spring, disc spring, compressed gas accumulator, air bullet
Spring etc..Support spring is the main component to play a supportive role in support damping device.Support of the compressed gas accumulator in this paper subtracts
It plays a supportive role in vibrating device with hydraulic cylinder cooperation.
Hydraulic cylinder and damper: hydraulic cylinder includes single-action hydraulic cylinder, double acting hydraulic cylinder, damper etc..Damper category
In a kind of special hydraulic cylinder for being integrated with valve module.Damper includes common single cylinder type vibration damper, Double-drum type shock absorber, magnetic
Rheology damper etc..The effect of single-action hydraulic cylinder and double acting hydraulic cylinder in support damping device is to transmit to store up by liquid stream
The energy of energy device, plays a supportive role together with accumulator.Single cylinder type vibration damper and Double-drum type shock absorber are in support damping device
Main function is to generate hydraulic damping slowing down vibration.
Valve module: referring to the component for having damping action, shutdown effect or control liquid flow path direction effect to liquid stream or air-flow, including
Throttle valve, check valve, pressure reducing valve, overflow valve, MR damper, electro-rheological fluid damper, solenoid valve, shock absorber bottom valve and subtract
Shake device piston on valve, etc..MR damper, electro-rheological fluid damper and solenoid valve are collectively referred to herein as electrically-controlled valve；It is subsequent
Electrically-controlled valve in case refers to one of MR damper, electro-rheological fluid damper and solenoid valve.Valve module is in support vibration damping dress
Setting middle main function is that damping or control liquid flow path direction are generated to liquid stream.
When using the brace type vibration absorber of MR damper or electro-rheological fluid damper, hydraulic medium should be corresponding
Magnetorheological fluid or ER fluid.
Load-sensing unit: refer to the components that can be used for measuring or setting pressure or force value, such as compression gas spring, spiral bullet
Spring, disc spring, load cell and its associated circuit components, pressure sensor and associated circuit components etc..For setting or adjusting
The spring of pressure also belongs to load-sensing unit, such as the pressure spring of pressure reducing valve, overflow valve.
Control assembly: refer to load-sensing unit by mechanical linkage, automatically controlled linkage or it is hydraulic control linked can be direct or indirect
The intermediate functional component of valve assembly damping.Control assembly can be mechanical part, be also possible to electronic circuit, such as
Then control assembly is electronic circuit when controlling electro-rheological fluid damper or MR damper and solenoid valve.Fig. 1, Fig. 3 and
Controls connecting rod (1) in Fig. 5 is also control assembly, its effect is that measured value is directly acted on to slide valve, above and below band movable pulley
It is mobile, increase or reduce valve port, with the damping of this control valve group.
Pressure reducing valve and overflow valve in this paper case are the combinations for belonging to valve module, load-sensing unit and control assembly.Decompression
Valve and overflow valve have the function of valve module, load-sensing unit and control assembly simultaneously.Pressure reducing valve herein is by pressure spring
Setting pressure is compared with the hydraulic coupling in hydraulic cylinder, and the damping force of pressure reducing valve is controlled according to comparison result, to control
Into the flow stream pressure of hydraulic cylinder, the support force of hydraulic cylinder is controlled with this.Overflow valve herein is by the setting pressure of pressure spring
Power is compared with the hydraulic coupling of hydraulic cylinder, and the damping according to comparison result regulation relief valve to liquid stream, to control outflow
The flow stream pressure of hydraulic cylinder, with this support force for controlling hydraulic cylinder.Outlet pressure control of the damping value of pressure reducing valve by pressure reducing valve
System, the damping value of overflow valve are controlled by the inlet pressure of overflow valve.That is the effect of pressure spring of pressure reducing valve, overflow valve is to pass through
Pressure in measurement hydraulic cylinder measures the support force of support damping device indirectly.The power of the pressure spring of pressure reducing valve and overflow valve is straight
It connects to act on spool and interact with the inlet and outlet pressure of hydraulic cylinder, adjust the damping value of its valve.Pressure reducing valve and overflow valve are returned
Class, i.e. the damping value size of sizes values the control pressure reducing valve and overflow valve of hydraulic coupling in hydraulic cylinder are adjusted in hydraulic control.
Pressure reducing valve, overflow valve and check valve herein are not limited to conventional vacuum valve, overflow valve and check valve form, all tools
Have combined with pressure reducing valve, overflow valve and check valve component with the same function or component be accordingly to be regarded as with pressure reducing valve herein,
Overflow valve and check valve are equivalent.
Scheme 2. (Fig. 1, Fig. 2) support damping device as described in scheme 1 is it is characterized in that: control assembly is mainly connected by control
Bar (1) is constituted, the valve module being integrated with including check valve (6) and slide valve (8) on damper piston (7), slide valve (8) connection
On controls connecting rod (1), load-sensing unit is mainly made of dynamometer spring (2)；The support of load-sensing unit measurement support damping device
Power, and the resistance of valve module in drawing process is adjusted with this by the position of controls connecting rod (1) regulating slide valve (8) according to measured value
Buddhist nun.When compression, the liquid stream in compression chamber (9) flows to elongated cavity (5) through the check valve (6) on piston (7).
Scheme 3. (Fig. 3, Fig. 4) support damping device as described in scheme 1 is it is characterized in that: control assembly is mainly connected by control
Bar (1) is constituted, the valve module being integrated with including check valve (6) and slide valve (8) on shock absorber bottom valve (10), and slide valve (8) is even
It connects on controls connecting rod (1)；
Dynamometer spring (2) measures the support force of support damping device, and is adjusted according to measurement force value by controls connecting rod (1)
The damping of valve module in compression process.When stretching, the liquid stream in liquid storage chamber (18) is flowed to through the check valve (6) on bottom valve (10)
Compression chamber (9) and elongated cavity (5).
Scheme 4. (Fig. 5, Fig. 6) support damping device as described in scheme 1 is it is characterized in that: control assembly is mainly connected by control
Bar (1) is constituted, be integrated on damper piston (7) including communicated with elongated cavity (5) check valve (6), communicate with compression chamber (9)
Check valve (6) and the compression valve communicated with compression chamber being mainly made of slide valve (8) and the stretching valve communicated with elongated cavity,
Slide valve (8) is connected on controls connecting rod (1), and piston cavity (31) is connected to liquid storage device (22), and piston cavity passes through check valve (6)
It is communicated with elongated cavity (5) and compression chamber (9)；When shock absorbers compression or extension, dynamometer spring (2) measures the branch of support damping device
Support force value and the damping for adjusting stretching valve and compression valve by controls connecting rod (1) according to measurement force value.Damper elongated cavity (5)
Or liquid stream passes through check valve (6) fluid infusion when the increase of compression chamber (9) volume.
Scheme 5. (Fig. 7) support damping device as described in scheme 1 includes: single-action hydraulic cylinder (20), mainly by energy storage
The support spring of device (19) composition, the valve module being mainly made of pressure reducing valve (21) and check valve (6) and load-sensing unit and control
Component processed etc.；It is characterized in that: accumulator (19) passes through pressure reducing valve and the check valve in parallel with pressure reducing valve and single-action hydraulic cylinder phase
Even；When single-action hydraulic cylinder (20) compression retracts, liquid stream flows into accumulator (19) through check valve (6).Single-action hydraulic cylinder is upheld
When, the setting pressure of flow stream pressure and pressure reducing valve into single-action hydraulic cylinder is compared, and the damping of pressure reducing valve is adjusted with this
Value makes the hydraulic coupling for flowing into single-action hydraulic cylinder out of accumulator no more than setting force value, to limit single-action hydraulic cylinder
Support force increases.
Scheme 6. (Fig. 8) support damping device as described in scheme 1 includes: single-action hydraulic cylinder (20), mainly by energy storage
The support spring of device (19) composition, the valve module being mainly made of overflow valve (23) and check valve (6) and dynamometry and control assembly
Deng；It is characterized in that: accumulator (19) with single-action hydraulic cylinder is connected by overflow valve and with the check valve of overflow valve parallel connection；Nonoculture
When being upheld with hydraulic cylinder (20), accumulator (19) interior liquid stream flows to single-action hydraulic cylinder (20) through check valve (6)；Single-acting hydraulic
When cylinder (20) compresses, the flow stream pressure for flowing out single-action hydraulic cylinder is compared with the setting pressure of overflow valve, is adjusted with this excessive
The damping value of valve is flowed, overflow valve (23) makes the hydraulic coupling flowed out from single-action hydraulic cylinder not less than setting force value, to prevent list
The support force of acting cylinder reduces.
Scheme 7. (Fig. 9, Figure 10, Figure 11) support damping device as described in scheme 1 includes: mainly by load cell structure
At load-sensing unit, mainly be made of controller (24) control assembly, mainly by piston electrically-controlled valve (30) or (and) bottom
The valve module of electrically-controlled valve (30) composition on valve, etc.；It is characterized in that: at least one is equipped with electricity on piston (7) and bottom valve (10)
It controls valve (30)；When damper fluid flow path is equipped with check valve, then a load cell measurement support vibration damping should be at least filled
The resultant force of device；When being not provided with check valve on damper fluid flow path, two load cells should be at least filled, to measure branch
Supportting the resultant force of vibration absorber and calculating the stress of damper is pulling force or pressure；Control assembly is surveyed load cell
The support force value of the support damping device obtained is compared with the gravity of setting force value or support damping device institute supporter, and root
According to the stress of comparison result and damper control electrically-controlled valve (30) damping.
The control method of automatically controlled damp type support damping device is:
1. when the support force of support damping device is greater than the gravity or setting force value of damper and support spring institute supporter
When (target force values): if the power that damper is subject to is pulling force, the stretching damping for increasing damper (increases automatically controlled stretching valve
Damping)；
If damper stress is pressure, reduce the compression damping (damping for reducing automatically controlled compression valve) of damper.
2. when support spring support force is less than the gravity or setting force value (target force of damper and support spring institute supporter
Value) when:
If the power that damper is subject to is pulling force, the stretching damping for reducing damper (reduces the automatically controlled resistance for stretching valve
Buddhist nun)；
If damper stress is pressure, the compression damping for increasing damper (increases the damping of automatically controlled compression valve.).
3. when gravity or setting force value of the support spring support force close or equal to damper and support spring institute supporter
When (target force values), damper current damping value is maintained.
The stretching valve of damper: when referring to that damper stretches, the rod end chamber (elongated cavity) of liquid stream outflow hydraulic cylinder is passed through
Valve.The compression valve of damper: when referring to shock absorbers compression, liquid stream flows out hydraulic cylinder or flows out the valve that compression chamber is passed through.
Scheme 8. (Fig. 9) support damping device as described in scheme 7 includes: the survey for measuring support spring (4) support force value
Force snesor (25) and the load cell (26) and controller (24) of measurement hydraulic cylinder (17) pulling force or pressure value etc.；It is special
Sign is: the conjunction of the support spring and hydraulic cylinder (17) on current support damping device is calculated by the measured value of load cell
Power, and determine the stress of hydraulic cylinder (17), controller is according to the resultant force of support damping device and the stress shape of hydraulic cylinder
The damping of state control electrically-controlled valve；Damping control method is as follows:
1. when support damping device support force value is greater than setting force value or the gravity greater than support damping device institute supporter
And the power on hydraulic cylinder (17) be pressure when, reduce piston and the electrically-controlled valve (30) on bottom valve damping value；
2. when support force value is greater than setting force value or gravity and hydraulic cylinder (17) greater than support damping device institute supporter
On power be pulling force when, increase piston on electrically-controlled valve (30) damping value, reduce bottom valve on electrically-controlled valve (30) damping value；
3. the support force value when support damping device is less than setting power or the gravity less than support damping device institute supporter
And the power on hydraulic cylinder (17) be pressure when, increase hydraulic cylinder bottom valve (10) on electrically-controlled valve (30) damping value, reduce piston
The damping value of upper electrically-controlled valve (30)；
4. the support force value when support damping device is less than setting power or the gravity less than support damping device institute supporter
And the power on hydraulic cylinder (17) be pulling force when, reduce piston (7) on electrically-controlled valve (30) and bottom valve (10) on electrically-controlled valve (30)
Damping value.
9. support damping device as described in scheme 7 (Figure 11) of scheme includes:
Mainly by the electrically-controlled valve (30) and the valve module that constitutes of check valve (6) on piston (7), mainly by controller (24) structure
At control assembly and the main load-sensing unit etc. that is made of load cell (25)；It is characterized in that: the check valve on piston (7)
(6) in parallel with electrically-controlled valve (30), load cell (25) measures support spring and hydraulic cylinder (17) on support damping device
With joint efforts, control assembly subtracts the support force value of support damping device measured by load cell (25) and setting force value or support
The gravity of vibrating device institute supporter is compared, and controls electrically-controlled valve (30) damping according to comparison result；Damping control method is such as
Under:
When the support force value of support damping device is less than setting power or less than the gravity of support damping device institute supporter,
Reduce electrically-controlled valve (30) damping value on piston；
When the support force value of support damping device is greater than setting power or greater than the gravity of support damping device institute supporter,
Increase electrically-controlled valve (30) damping value on piston.
When hydraulic cylinder (17) compresses, hydraulic medium flows into elongated cavity, hydraulic cylinder (17) by check valve (6) on piston (7)
When stretching, hydraulic medium flows out elongated cavity by the electrically-controlled valve (30) on piston (7).
Support damping device of the scheme 10. as described in scheme 2,3,4, it is characterized in that in control assembly, that is, controls connecting rod (1)
Lower position is adjustable, i.e., the initial position of slide valve can be by adjusting controls connecting rod (1) up and down adjustment, by adjusting controls connecting rod
(1) position can change the valve module of support damping device damping value under different loads and valve module opens or closes
When critical value, to adapt to different loads state.
A kind of vehicle of scheme 11., such as single-wheel, two-wheeled, three-wheel or multi-wheeled vehicle, it is characterized in that using aforementioned schemes 1 ~ 10
One or more of described support damping device support damping device.
Beneficial effects of the present invention
Compared to existing adaptive damping technology, which has the function of better adaptive damping, resistance
Buddhist nun's value can be automatically adjusted according to road surface fluctuating situation, and effectiveness in vibration suppression is more preferable, and structure is more succinct, and the process and method of control also compare
Relatively simple, cost is lower.
Detailed description of the invention
Fig. 1 spring supporting formula stretches damping controlled type support damping device schematic diagram
Valve module magnified partial view in the schematic diagram of Fig. 2 Fig. 1
Fig. 3 spring supporting formula compression damping controlled type support damping device schematic diagram
Valve module magnified partial view in the schematic diagram of Fig. 4 Fig. 3
Fig. 5 spring supporting formula stretches and the double controlled type support damping device schematic diagrames of compression damping
Valve module magnified partial view in the schematic diagram of Fig. 6 Fig. 5
Fig. 7 liquid gas brace type stretches damping controlled type support damping device schematic diagram
Fig. 8 liquid gas brace type compression damping controlled type support damping device schematic diagram
The automatically controlled damp type support damping device schematic diagram 1 of Fig. 9
The automatically controlled damp type support damping device schematic diagram 2 of Figure 10
The automatically controlled damp type support damping device schematic diagram 3 of Figure 11
Illustrate number title:
1- controls connecting rod 2- dynamometer spring 3- piston rod
4- support spring 5- elongated cavity 6- check valve
7- piston 8- slide valve 9- compression chamber
10- bottom valve 11- separator piston 12- air storage chamber
Fluid pathways when fluid pathways 14- when 13- is stretched on bottom valve compresses on bottom valve
Fluid pathways when fluid pathways 16- when 15- compresses on piston is stretched on piston
17- hydraulic cylinder 18- liquid storage chamber 19- accumulator (compression gas spring)
20- single-action hydraulic cylinder 21- pressure reducing valve 22- liquid storage device
23- overflow valve 24- controller 25- load cell (measuring pressure)
26- load cell (surveying pulling force and pressure) 27- signal or pilot
30- electrically-controlled valve
31- piston cavity 32- liquid in-out fluid pathways
Specific embodiment
Preferred embodiment 1: as shown in Figure 1, Figure 2, Fig. 3, Fig. 4, Fig. 5, spring supporting formula shown in fig. 6 stretch or (and) compression damping
Controlled type support damping device schematic diagram
The support damping device is mainly by dynamometer spring (2), support spring (4), hydraulic cylinder (damper) (17), control valve
(slide valve (8) on bottom valve (10) or piston (7) on damper) and controls connecting rod (1) etc. are constituted.Bottom valve (10) or piston
(7) there is the slide valve (8) with controls connecting rod (1) linkage on, check valve (6) are additionally provided on bottom valve (10) or piston (7), when dynamometry bullet
When spring (2) institute's dynamometry value changes, controls connecting rod (1) will drive slide valve (8) and move up and down, and make slide valve (8) and piston (7) or bottom valve
(10) valve port opening increases or reduces to change damping.
Working principle:
Support damping device shown in Fig. 1, Fig. 2: when support damping device forced compression, liquid stream can passage path
(14) and path (15) are from the check valve (6) on piston (7) and the unidirectional valve flow on bottom valve.When support damping device is by compressing
From large to small, dynamometer spring (2) is by short elongated, in drive controls connecting rod (1) and controls connecting rod (1) for support force when switching to uphold
Slide valve (8) moves from lower to upper, when support force is less than the gravity value or setting force value of support damping device institute supporter, rebound valve
Mouth (valve port that fluid pathways (16) flow through is rebound valve valve port) is then gradually opened by close stance until valve standard-sized sheet, and valve is damped by big
Become smaller.
Fig. 3, support damping device shown in Fig. 4: when support damping device is upheld, fluid pathways can passage path (13)
With path (16) from the valve flow on the check valve (6) and piston (7) on bottom valve.It is supported when support damping device forced compression
Power is changed from small to big, and dynamometer spring (2) is shortened by length, drive slide valve (8) in controls connecting rod (1) and controls connecting rod (1) from it is lower toward
Move up, when support force be greater than support damping device institute supporter gravity value or setting force value when, valve port then by close stance gradually
It opens until valve standard-sized sheet, valve damps from large to small.
Fig. 5, support damping device shown in fig. 6: when support damping device uphold when support force from large to small, dynamometer spring
(2) by short elongated, the slide valve (8) in drive controls connecting rod (1) and controls connecting rod (1) moves from lower to upper, when support force is less than branch
When supportting the gravity value or setting force value of vibration absorber institute supporter, (valve port that path (16) flow through is rebound valve to rebound valve valve port
Valve port) then to be opened by close stance until standard-sized sheet, rebound valve damps from large to small；When support damping device compression, support force is by small
Becoming larger, dynamometer spring (2) is shortened by length, and drive the slide valve (8) in controls connecting rod (1) and controls connecting rod (1) to move from top to bottom, when
When support force is greater than the gravity value or setting force value of support damping device institute supporter, (path (14) flow through compression valve valve port
Valve port is compression valve valve port) then to be opened by close stance until standard-sized sheet, compression valve damps from large to small；Support damping device is upheld
When, liquid stream flows into compression chamber (9) by check valve (6) through path 13；When support damping device compresses, liquid stream passes through through path 15
Check valve (6) flows into elongated cavity (5).Support damping device uphold and compression when liquid stream by liquid in-out fluid pathways (32) into
Enter and flows out liquid storage device (22).
The controls connecting rod (1) of Fig. 1, Fig. 3, Fig. 5 can up and down adjustment, pass through adjust controls connecting rod (1) position-adjustable it is sliding
The position of valve (8), to adjust critical force value when valve port is opened with support damping device when closing valve.
Preferred embodiment 2:
Hydraulic pressure support formula as shown in Figure 7, Figure 8 stretches or compression damping controlled type support damping device schematic diagram:
The support damping device is mainly by accumulator (19), and single-action hydraulic cylinder (20), (pressure reducing valve (21) overflows hydraulic valve
Flow valve (23), check valve (6)) etc. constitute, the pressure spring of pressure reducing valve (21) and overflow valve (23) is set into or flows out nonoculture
It is carried out with the flow stream pressure of hydraulic cylinder (20), and by the flow stream pressure of into and out single-action hydraulic cylinder (20) and setting pressure
Compare, with this indirectly measurement single-action hydraulic cylinder (20) support force size, and according to comparison result adjust pressure reducing valve (21) and
The damping value of overflow valve (23) valve port, to adjust the flow stream pressure of into and out single-action hydraulic cylinder (20).
Working principle:
Support damping device shown in Fig. 7: when single-action hydraulic cylinder (20) compression retracts, liquid stream is flowed into through check valve (6)
Accumulator (19).When hydraulic cylinder is upheld, pressure reducing valve (21) makes the hydraulic coupling for flowing into hydraulic cylinder out of accumulator no more than setting power
Value, so that the support force for limiting hydraulic cylinder increases.
Support damping device shown in Fig. 8: when single-action hydraulic cylinder (20) is upheld, accumulator (19) interior liquid stream is through check valve
(6) it flows to single-action hydraulic cylinder (20), when single-action hydraulic cylinder (20) compresses, overflow valve (23) makes the liquid stream flowed out from hydraulic cylinder
Pressure is not less than setting force value, to prevent the support force of hydraulic cylinder from reducing.
Preferred embodiment 3:
The automatically controlled damp type support damping device schematic diagram as shown in Fig. 9, Figure 10, Figure 11:
The support damping device includes: load-sensing unit, and support spring (4), hydraulic cylinder (damper) (17), electrically-controlled valve is (i.e.
Valve (30) on shock absorber bottom valve (10) or piston (7)) and controller (24) etc. constitute, load-sensing unit by weighing sensor and
Associated circuit components are constituted, and controller (24) is made of electronic circuit component, and the effect of controller (24) is to calculate load-sensing unit
Measured value and control the damping values of electrically-controlled valve (30) (electrically-controlled valve refers to solenoid valve, MR damper, electro-rheological fluid damper etc.).
Fig. 9, stretching shown in Fig. 10 or (and) compression damping controlled type support damping device wherein on bottom valve (10) or piston (7) at least
There is one to be equipped with electrically-controlled valve (30), stretch shown in Figure 11 or (and) compression damping controlled type support damping device wherein bottom valve
(10) or on piston (7) at least one is equipped with electrically-controlled valve (30) and check valve (6).
Working principle:
Support damping device shown in Fig. 9: load cell (25) measures the support force of support spring (4), force-measuring sensing
Device (26) measures the pulling force or pressure of hydraulic cylinder (damper) (17).
Support damping device shown in Fig. 10: load cell (25) measures support spring (4) and hydraulic cylinder (damper)
(17) total support force, load cell (26) measure the pulling force or pressure of hydraulic cylinder (damper) (17).
Support damping device shown in Figure 11: load cell (25) measures support spring (4) and hydraulic cylinder (damper)
(17) total support force, piston (7) or (and) on bottom valve (10) in addition to being also equipped with check valve (6) equipped with electrically-controlled valve (30).
In subsequent operating state explanation, the control signal of controller output is only applicable to the work that control is equipped with electrically-controlled valve (30)
The bottom valve (10) filled in (7) or electrically-controlled valve (30) are housed, for not using the piston (7) of electrically-controlled valve (30) or not using electrically-controlled valve
(30) bottom valve (10), the damping uncontrolled device of change in resistance (24) control.Using the piston (7) or not of electrically-controlled valve (30)
Using the bottom valve (10) of electrically-controlled valve (30), working method is as the working method of the piston of conventional damper or bottom valve.Figure
At least one is equipped with electrically-controlled valve (30) for piston (7) and bottom valve (10) in 9, Figure 10, Figure 11 schematic diagram, can also both fill
Electrically-controlled valve (30), but be not that must both fill electrically-controlled valve (30).
Fig. 9, support damping device shown in Fig. 10: controller (24) is according to load cell (25) and load cell
(26) value measured calculates resultant force, when resultant force is greater than the force value for setting force value and hydraulic cylinder (damper) (17) as pulling force, control
The control signal of device (24) output processed increases the damping of the electrically-controlled valve (30) on piston (7) (when electrically-controlled valve (30) are housed on piston
It is applicable in), reduce the damping of the electrically-controlled valve (30) on bottom valve (10) (electrically-controlled valve (30) Shi Shiyong is housed on bottom valve)；When being greater than with joint efforts
When setting the force value of force value and hydraulic cylinder (damper) (17) as pressure, the control signal of controller output reduces on piston (7)
The damping (on piston be equipped with electrically-controlled valve (30) Shi Shiyong) of electrically-controlled valve (30) and the upper electrically-controlled valve (30) of bottom valve (10) damp
(electrically-controlled valve (30) Shi Shiyong is housed on bottom valve).
When resultant force is less than the force value for setting force value and hydraulic cylinder (damper) (17) as pulling force, controller (24) output
Control the damping of the electrically-controlled valve (30) in signal reduction piston (7) and upper electrically-controlled valve (30) damping of bottom valve (10)；When resultant force
When less than setting the force value of force value and hydraulic cylinder (damper) (17) as pressure, the control signal of controller (24) output, which reduces, lives
Upper electrically-controlled valve (30) damping ((30) are applicable in when electrically-controlled valve is housed on piston) for filling in (7) increases the upper automatically controlled of bottom valve (10)
Valve (30) damping (is equipped with electrically-controlled valve (30) Shi Shiyong) on bottom valve.
Support damping device shown in Figure 11: sensor measurement support spring (4) and hydraulic cylinder (damper) (17) it is total
Support force, piston (7) or (and) on bottom valve (10) in addition to being also equipped with check valve (20) equipped with electrically-controlled valve (30).
When resultant force is greater than setting force value, controller (24) output control signal increases the electrically-controlled valve (30) on piston (7)
Damping (on bottom valve be equipped with electrically-controlled valve (30) Shi Shiyong), the damping for reducing the electrically-controlled valve (30) on bottom valve (10) (fills on bottom valve
There is electrically-controlled valve (30) Shi Shiyong).
When resultant force is less than setting force value, controller (24) output control signal reduces the electrically-controlled valve (30) on piston (7)
Damping (on piston be equipped with electrically-controlled valve (30) Shi Shiyong), increase the damping (bottom valve (10) of the electrically-controlled valve (30) on bottom valve (10)
It is upper that electrically-controlled valve (30) Shi Shiyong is housed).
When hydraulic cylinder (17) stretches and electrically-controlled valve (30) and check valve (6) are housed on bottom valve, liquid stream is flowed through on bottom valve (10)
Check valve (6), not by bottom valve (10) electrically-controlled valve (30) influence.
When electrically-controlled valve (30) and check valve (6) being housed on hydraulic cylinder (17) compression and piston (7), liquid stream flows through piston (7)
On check valve (6), not by piston (7) electrically-controlled valve (30) influence.
Selected preferred embodiment only lists a part therein herein, all to use measurement force value directly or indirectly
By mechanical, automatically controlled or hydraulic control regulation and control damping force vibration damping or using measurement force value directly or indirectly through it is mechanical,
Automatically controlled or hydraulic control regulation and control object support force value to reduce the method for vibration, be all herein used by technical solution
Obvious scheme column, all should be attributed within the scope of the art of this patent.
Claims (10)
1. a kind of support damping device includes:
Support spring, hydraulic cylinder, valve module, load-sensing unit, control assembly；
It is characterized in that: with load-sensing unit measurement support damping device to the support force value of institute's supporter, control assembly is by support force
Value is compared with setting force value or the gravity of support damping device institute supporter, and is passed through according to comparison result mechanical, hydraulic
Or the damping of automatically controlled mode control valve group.
2. support damping device as described in claim 1 it is characterized in that:
Control assembly is mainly made of controls connecting rod (1), is integrated on damper piston and is existed including check valve (6) and slide valve (8)
Interior valve module, slide valve (8) are connected on controls connecting rod (1), and load-sensing unit is mainly made of dynamometer spring (2)；
Load-sensing unit measures the support force of support damping device, and passes through controls connecting rod (1) regulating slide valve (8) according to measured value
Position, with the damping of this valve assembly.
3. support damping device as described in claim 1 it is characterized in that:
Control assembly is mainly made of controls connecting rod (1), is integrated on shock absorber bottom valve and is existed including check valve (6) and slide valve (8)
Interior valve module, slide valve (8) are connected on controls connecting rod (1)；
Load-sensing unit measures the support force of support damping device, and passes through controls connecting rod (1) valve assembly according to measurement force value
Damping.
4. support damping device as described in claim 1 it is characterized in that:
Control assembly is mainly made of controls connecting rod (1), is integrated on damper piston unidirectional including communicating with elongated cavity (5)
Valve (6), the check valve (6) communicated with compression chamber (9) and the compression valve communicated with compression chamber being mainly made of slide valve (8) and
The stretching valve communicated with elongated cavity, slide valve (8) are connected on controls connecting rod (1), and piston cavity (31) is connected to liquid storage device (22),
Piston cavity is communicated by check valve (6) with elongated cavity (5) and compression chamber (9)；
When shock absorbers compression or extension, dynamometer spring (2) measures the support force of support damping device and leads to according to measurement force value
It crosses controls connecting rod (1) and adjusts the damping for stretching valve and compression valve.
5. support damping device as described in claim 1 includes:
Single-action hydraulic cylinder (20), the support spring being mainly made of accumulator (19), mainly by pressure reducing valve (21) and check valve
(6) valve module and load-sensing unit and control assembly constituted；
It is characterized in that: accumulator (19) with single-action hydraulic cylinder is connected by pressure reducing valve and with the check valve of pressure reducing valve parallel connection；It is single
When acting cylinder is upheld, the setting pressure of flow stream pressure and pressure reducing valve into single-action hydraulic cylinder is compared, and is adjusted with this
Reduce the damping value of pressure valve；When single-action hydraulic cylinder (20) compression retracts, liquid stream flows into accumulator (19) through check valve (6).
6. support damping device as described in claim 1 includes:
Single-action hydraulic cylinder (20), the support spring being mainly made of accumulator (19), mainly by overflow valve (23) and check valve
(6) valve module and dynamometry and control assembly constituted；
It is characterized in that: accumulator (19) with single-action hydraulic cylinder is connected by overflow valve and with the check valve of overflow valve parallel connection；It is single
When acting cylinder (20) compresses, the flow stream pressure for flowing out single-action hydraulic cylinder is compared with the setting pressure of overflow valve, with
The damping value of this regulation relief valve；When single-action hydraulic cylinder (20) is upheld, accumulator (19) interior liquid stream flows to single through check valve (6)
Acting cylinder (20).
7. support damping device as described in claim 1 includes:
The load-sensing unit that is mainly made of load cell, the control assembly being mainly made of controller (24), mainly by automatically controlled
The valve module that valve (30) is constituted；
It is characterized in that: at least one is equipped with electrically-controlled valve (30) on piston and bottom valve,
When damper fluid flow path is equipped with check valve, then a load cell measurement support damping device should be at least filled
With joint efforts；
When not setting check valve on damper fluid flow path, two load cells should be at least filled, to measure support vibration damping dress
The resultant force set and to calculate the stress of damper be pulling force or pressure；
Control assembly fills the support force value of support damping device measured by load cell and setting force value or support vibration damping
The gravity for setting institute's supporter is compared, and controls electrically-controlled valve (30) resistance according to the stress of comparison result and damper
Buddhist nun.
8. support damping device as claimed in claim 7 includes:
Measure the load cell of support spring support force value and load cell and the control of measurement hydraulic cylinder tension and compression force value
Device (24)；
It is characterized in that: calculating support spring on current support damping device and hydraulic cylinder by the measured value of load cell
With joint efforts, and determine the stress of hydraulic cylinder, controller is according to the resultant force of support damping device and the stress of hydraulic cylinder
Control the damping of electrically-controlled valve.
9. support damping device as claimed in claim 7 includes: mainly by the electrically-controlled valve (30) and check valve (6) structure on piston
At valve module, the control assembly being mainly made of controller (24) and the load-sensing unit being mainly made of load cell；
It is characterized in that: the check valve (6) on piston is in parallel with electrically-controlled valve (30), load cell is measured on support damping device
The resultant force of support spring and hydraulic cylinder, control assembly by the support force value of support damping device measured by load cell with set
The gravity for determining force value or support damping device institute supporter is compared, and the resistance of electrically-controlled valve (30) is controlled according to comparison result
Buddhist nun.
10. a kind of vehicle, it is characterized in that using one of support in the support damping device as described in claim 1 ~ 9
Vibration absorber.
Priority Applications (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821209280.7U CN208793507U (en) | 2018-07-29 | 2018-07-29 | A kind of support damping device and the vehicle using the support damping device |
| DE112019003811.7T DE112019003811T5 (en) | 2018-07-29 | 2019-05-14 | Support vibration damping device and vehicle with support vibration damping device |
| JP2021504517A JP2021532317A (en) | 2018-07-29 | 2019-05-14 | Support damper and car using it |
| KR1020217003444A KR20210027462A (en) | 2018-07-29 | 2019-05-14 | Support and vibration damping device, and vehicle using the support and vibration damping device |
| PCT/CN2019/086920 WO2020024653A1 (en) | 2018-07-29 | 2019-05-14 | Support vibration damping device and vehicle using support vibration damping device |
| US17/139,074 US20210123496A1 (en) | 2018-07-29 | 2020-12-31 | Support damping apparatus and vehicle using support damping apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821209280.7U CN208793507U (en) | 2018-07-29 | 2018-07-29 | A kind of support damping device and the vehicle using the support damping device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208793507U true CN208793507U (en) | 2019-04-26 |
Family
ID=66203733
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821209280.7U Active CN208793507U (en) | 2018-07-29 | 2018-07-29 | A kind of support damping device and the vehicle using the support damping device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208793507U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108662069A (en) * | 2018-07-29 | 2018-10-16 | 陈刚 | A kind of support damping device |
| WO2020024653A1 (en) * | 2018-07-29 | 2020-02-06 | 陈刚 | Support vibration damping device and vehicle using support vibration damping device |
-
2018
- 2018-07-29 CN CN201821209280.7U patent/CN208793507U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108662069A (en) * | 2018-07-29 | 2018-10-16 | 陈刚 | A kind of support damping device |
| WO2020024653A1 (en) * | 2018-07-29 | 2020-02-06 | 陈刚 | Support vibration damping device and vehicle using support vibration damping device |
| CN108662069B (en) * | 2018-07-29 | 2023-10-20 | 陈刚 | Support vibration damper |
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