CN108662069A - A kind of support damping device - Google Patents

A kind of support damping device Download PDF

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Publication number
CN108662069A
CN108662069A CN201810850830.1A CN201810850830A CN108662069A CN 108662069 A CN108662069 A CN 108662069A CN 201810850830 A CN201810850830 A CN 201810850830A CN 108662069 A CN108662069 A CN 108662069A
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China
Prior art keywords
valve
support
damping device
damping
damper
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Granted
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CN201810850830.1A
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Chinese (zh)
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CN108662069B (en
Inventor
陈刚
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Individual
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Individual
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Priority to CN201810850830.1A priority Critical patent/CN108662069B/en
Publication of CN108662069A publication Critical patent/CN108662069A/en
Priority to JP2021504517A priority patent/JP2021532317A/en
Priority to KR1020217003444A priority patent/KR20210027462A/en
Priority to PCT/CN2019/086920 priority patent/WO2020024653A1/en
Priority to DE112019003811.7T priority patent/DE112019003811T5/en
Priority to US17/139,074 priority patent/US20210123496A1/en
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Publication of CN108662069B publication Critical patent/CN108662069B/en
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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16FSPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F13/00Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16FSPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F9/00Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
    • F16F9/32Details
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16FSPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F9/00Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
    • F16F9/32Details
    • F16F9/34Special valve constructions; Shape or construction of throttling passages
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16FSPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F9/00Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
    • F16F9/32Details
    • F16F9/50Special means providing automatic damping adjustment, i.e. self-adjustment of damping by particular sliding movements of a valve element, other than flexions or displacement of valve discs; Special means providing self-adjustment of spring characteristics
    • F16F9/512Means responsive to load action, i.e. static load on the damper or dynamic fluid pressure changes in the damper, e.g. due to changes in velocity
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16FSPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F9/00Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
    • F16F9/32Details
    • F16F9/53Means for adjusting damping characteristics by varying fluid viscosity, e.g. electromagnetically
    • F16F9/532Electrorheological [ER] fluid dampers
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16FSPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F9/00Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
    • F16F9/32Details
    • F16F9/53Means for adjusting damping characteristics by varying fluid viscosity, e.g. electromagnetically
    • F16F9/535Magnetorheological [MR] fluid dampers

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Fluid Mechanics (AREA)
  • Fluid-Damping Devices (AREA)
  • Vehicle Body Suspensions (AREA)

Abstract

A kind of support damping device, including:Support spring(4), hydraulic cylinder(17), valve module(6,7,8), load-sensing unit(2), control assembly(1)Deng;Its method is:Load-sensing unit(2)Support force value of the support damping device to institute's supporter is measured, and force value will be supported to be compared with the gravity for setting force value or support damping device institute supporter, and according to comparison result by control assembly(1)The damping that damper is controlled by machinery, hydraulic pressure or the modes such as automatically controlled makes the support force value of support damping device be equal or close to the gravity for setting force value or support damping device institute supporter to adjust the support force value of support damping device.

Description

A kind of support damping device
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 It shakes.
Background technology
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(It is adjustable)Subtract damper with active.
Passive type damper:The suspension and oscillation damping method that common spring is constituted with damper cooperation belong to passive type and subtract It shakes, damper is after design installs, and damping value with load just it has been determined that cannot change and adjust, during use 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 for needing vibrationproof or vibration damping, the method used at present are also that same Vehicle damper method is similar, belong to passive type Vibration damping initiatively can not adjust damping according to object receiving force situation.
Invention content
The technical problem to be solved in the present invention
Damper is set, to the stressing conditions in institute's supporting object vibration processes, to be automatically regulated according to support spring and damper The damping of damper reduces in vehicular motion the external power applied to the shadow of the support force of spring and damper institute supporter It rings, to which vibration be reduced or eliminated.Especially road traveling of the vehicle when being uneven when, reduce since Uneven road causes Driving process in vehicle vibration and jolt.
Technical scheme of the present invention
Support force value of the support damping device to institute's supporter is measured with load-sensing unit, control assembly will support force value and setting power The gravity of value or support damping device institute supporter is compared, and passes through machinery, hydraulic pressure or the modes such as automatically controlled according to comparison result The damping of control damper makes the support force value of support damping device be equal to adjust the support force value of support damping device Close to setting force value or support damping device institute supporter gravity.
1. support spring of scheme(4,19), hydraulic cylinder(17,20), valve module(6,7,8,10,21,22,23,30,28, 29), load-sensing unit(2,21,23,25,26), control assembly(1,21,23,24)Deng;It is characterized in that:Load-sensing unit measures support Vibration absorber will support force value or support damping device the institute supporter of force value and setting to the support force value of institute's supporter Gravity is compared, and according to comparison result by the damping of control assembly control valve group, to adjust support damping device Force value is supported, so that the support force value of support damping device is equal or close to setting force value, or subtract equal or close to support The gravity of vibrating 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 herein(19), hydraulic valve (21,22,23) and hydraulic cylinder (20) constitute Support vibration insulating system be all to belong to support damping device.
Support spring:Refer 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 critical piece to play a supportive role in support damping device.Support of the compressed gas accumulator in this paper subtracts It plays a supportive role with hydraulic cylinder cooperation in vibrating device.
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 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:Refer 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 valve on device piston, etc..MR damper, electro-rheological fluid damper and solenoid valve are collectively referred to herein as electrically-controlled valve;Subsequently Electrically-controlled valve in case refers to one kind in MR damper, electro-rheological fluid damper and solenoid valve.Valve module is in support vibration damping dress It is to generate damping or control liquid flow path direction to liquid stream to set middle main function.
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.
Dynamometry component:Refer to the parts that can be used for measuring or set pressure or force value, such as compresses 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 dynamometry component, such as the pressure spring of pressure reducing valve, overflow valve.
Control assembly:Refer to dynamometry component by mechanical linkage, it is automatically controlled link 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, can also be 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 in Fig. 5(1)Also component in order to control, its effect is that measured value is directly acted on guiding valve, above and below band movable pulley It is mobile, so that valve port is increased or reduced, with the damping of this control valve group.
Pressure reducing valve and overflow valve in this paper cases are the combinations for belonging to valve module, dynamometry component and control assembly.Decompression Valve and overflow valve have the function of valve module, dynamometry component 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 The damping value of system, overflow valve is 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 Measure the support force that the pressure in hydraulic cylinder measures support damping device indirectly.The power of the pressure spring of pressure reducing valve and overflow valve is straight The inlet and outlet pressure interaction acted on spool with hydraulic cylinder is connect, the damping value of its valve is adjusted.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, every tool 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 it is characterized in that:Control assembly is mainly connected by control Bar(1)It constitutes, damper piston(7)On be integrated with including check valve(6)And guiding valve(8)Valve module inside, guiding valve(8)Connection In controls connecting rod(1)On, load-sensing unit is mainly by spring(2)It constitutes;Load-sensing unit(2)Measure the support of support damping device Power, and pass through controls connecting rod according to measured value(1)Regulating slide valve(8)Position, valve module in drawing process is adjusted with this(7,8) Damping.When compression, compression chamber(9)Interior liquid stream is through piston(7)On check valve(6)Flow to elongated cavity(5).
Scheme 3.(Fig. 3, Fig. 4)Support damping device as described in scheme 1 it is characterized in that:Control assembly is mainly connected by control Bar(1)It constitutes, shock absorber bottom valve(10)On be integrated with including check valve(6)And guiding valve(8)In interior valve module, guiding valve(8)Even It is connected on controls connecting rod(1)On;Load-sensing unit(2)The support force of support damping device is measured, and passes through control according to force value is measured Connecting rod (1) adjusts the valve module in compression process(8,10)Damping.When stretching, liquid storage cylinder(18)Interior liquid stream is through bottom valve(10) On check valve(6)Flow to compression chamber(9)And elongated cavity(5).
Scheme 4.(Fig. 5, Fig. 6)Support damping device as described in scheme 1 it is characterized in that:Control assembly is mainly connected by control Bar(1)It constitutes, damper piston(7)On be integrated with the check valve including being communicated with elongated cavity (5)(6), communicate with compression chamber (9) Check valve(6)And mainly by guiding valve(8)The compression valve communicated with compression chamber constituted and the stretching valve communicated with elongated cavity, Guiding valve (8) is connected to controls connecting rod(1)On, piston cavity(Piston chamber)(31) and liquid storage device(19)Connection, piston cavity pass through Check valve(6)It is communicated with elongated cavity (5) and compression chamber (9);When shock absorbers compression or extension, load-sensing unit (2) measures support and subtracts The support force value of vibrating device and according to measure force value pass through controls connecting rod(1)Adjust the damping for stretching valve and compression valve.Vibration damping Device elongated cavity(5)Or compression chamber(9)Liquid stream passes through check valve sheet when volume increases(6)Fluid infusion.
Scheme 5.(Fig. 7)Support damping device as described in scheme 1 includes:Single-action hydraulic cylinder(20), mainly by liquid gas Accumulator(19)The support spring of composition, mainly by pressure reducing valve(21)And check valve(22) constitute valve module and dynamometry component with And control assembly etc.;It is characterized in that:Hydro-pneumatic accumulator(19)Pass through pressure reducing valve and the check valve and hydraulic cylinder in parallel with pressure reducing valve It is connected;Hydraulic cylinder(20)When compression is retracted, liquid stream is through check valve(22)Flow into accumulator(19).When hydraulic cylinder is upheld, into liquid The flow stream pressure of cylinder pressure is compared with the setting pressure of pressure reducing valve, and the damping value of pressure reducing valve is adjusted with this, is made out of accumulator The hydraulic coupling of hydraulic cylinder is flowed into no more than setting force value, the support force to limit hydraulic cylinder increases.
Scheme 6.(Fig. 8)Support damping device as described in scheme 1 includes:Single-action hydraulic cylinder(20), mainly by liquid gas Accumulator(19)The support spring of composition, mainly by overflow valve(23)And check valve(22)The valve module and dynamometry of composition and control Component etc.;It is characterized in that:Hydro-pneumatic accumulator(19)It is connected with hydraulic cylinder by overflow valve and with the check valve of overflow valve parallel connection;Liquid When cylinder pressure (20) is upheld, accumulator (19) interior liquid stream flows to hydraulic cylinder (20) through check valve (22), when hydraulic cylinder (20) compresses, stream The flow stream pressure for going out hydraulic cylinder is compared with the setting pressure of overflow valve, with the damping value of this regulation relief valve, overflow valve (23) make the hydraulic coupling flowed out from hydraulic cylinder not less than setting force value, to prevent the support force of hydraulic cylinder from reducing.
Scheme 7.(Fig. 9, Figure 10, Figure 11)Support damping device as described in scheme 1 includes:Mainly by load cell (25,26)The load-sensing unit of composition, mainly by controller(24)The control assembly of composition, mainly by the electrically-controlled valve (30) on piston Or (and) electrically-controlled valve (30) on bottom valve constitute valve module (28,29), etc.;It is characterized in that:On piston (28) and bottom valve (29) At least one is equipped with electrically-controlled valve(30);When damper fluid flow path is equipped with check valve, then it should at least fill a dynamometry and pass Sensor measures the resultant force of support damping device;When being not provided with check valve on damper fluid flow path, two dynamometry should be at least filled Sensor, so that the stress for measuring the resultant force of support damping device and calculate damper is pulling force or pressure;Control group Part(24)The support force value of support damping device measured by load cell and setting force value or support damping device are propped up The gravity of support object is compared, and controls electrically-controlled valve according to the stress of comparison result and damper(30)Damping.
The control method of automatically controlled damp type support damping device is:
1. when the support force of support damping device is more than the gravity or setting force value of damper and supporter spring institute supporter(Mesh Mark force value)When:If the power that damper is subject to is pulling force, increase the stretching damping of damper(Increase the automatically controlled resistance for stretching valve Buddhist nun);
If damper stress is pressure, reduce the compression damping of damper(Reduce the damping of automatically controlled compression valve).
2. when the support force of support damping device is less than the gravity or setting power of damper and supporter spring institute supporter Value(Target force values)When:
If the power that damper is subject to is pulling force, reduce the stretching damping of damper(Reduce the automatically controlled damping for stretching valve);
If damper stress is pressure, increase the compression damping of damper(Increase the damping of automatically controlled compression valve.).
3. when support damping device support force close or equal to damper and supporter spring institute supporter gravity or Set force value(Target force values)When, maintain damper current damping value.
The stretching valve of damper:When referring to damper stretching, liquid stream flows out the rod end chamber of hydraulic cylinder(Elongated cavity)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:Measure the survey that support spring (4) supports force value Force sensor module(25)With the force-measuring sensing device assembly for measuring damper (17) pulling force or pressure value(26)And controller (24)Deng;It is characterized in that:Pass through load cell(25,26)Measured value calculate support spring on current support damping device (4)And damper(17)Resultant force, and judge the stress of damper (17), controller is according to the resultant force of support damping device And the damping of the stress control electrically-controlled valve of damper;Damping control method is as follows:
1. when support damping device support force value be more than setting force value or more than support damping device institute supporter gravity and subtract Shake device(17)On power when being pressure, reduce the electrically-controlled valve on piston and bottom valve(30)Damping value;
2. when support force value is more than setting force value or gravity and damper more than support damping device institute supporter(17)On When power is pulling force, increase electrically-controlled valve on piston(30)Damping value, reduce bottom valve on electrically-controlled valve(30)Damping value;
3. when support damping device support force value be less than set power or less than support damping device institute supporter gravity and subtract Shake device(17)On power be pressure when, increase shock absorber bottom valve(29)On electrically-controlled valve(30)Damping value, reduce piston power on Control valve(30)Damping value;
4. when support damping device support force value be less than set power or less than support damping device institute supporter gravity and subtract Shake device(17)On power be pulling force when, reduce piston(28)On electrically-controlled valve (30) and bottom valve(29)On electrically-controlled valve(30)Resistance Buddhist nun's value.
9. support damping device as described in scheme 7 of scheme(Figure 11)Including:Mainly by piston(28)On electrically-controlled valve (30)And check valve(22)The valve module of composition, mainly by controller(24)The control assembly of composition and mainly by load cell (25)The load-sensing unit etc. of composition;It is characterized in that:Piston(28)On check valve(22)With electrically-controlled valve(30)Parallel connection, force-measuring sensing Device(25)Measure support spring on support damping device(4)And damper(17)Resultant force, control assembly(24)By force-measuring sensing Device(25)The support force value of measured support damping device and the gravity of setting force value or support damping device institute supporter into Row compares, and controls electrically-controlled valve according to comparison result(30)Damping;Damping control method is as follows:
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 more than setting power or more than the gravity of support damping device institute supporter, increase Electrically-controlled valve (30) damping value on piston.
Damper(17)When compression, hydraulic medium passes through piston(28)Upper check valve(22)Flow into elongated cavity, damper (17)When stretching, hydraulic medium passes through piston(28)On electrically-controlled valve(30)Flow out elongated cavity.
Support damping device of the scheme 10. as described in scheme 2,3,4, it is characterized in that control assembly, that is, controls connecting rod(1)On Lower position is adjustable, i.e., the initial position of guiding valve can pass through adjusting control connecting rod by adjusting control connecting rod (1) up and down adjustment (1) position can change the valve module of support damping device damping value under different loads and valve module is turned on and off When critical value, to adapt to different loads state.
A kind of 11. vehicle of scheme, 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, damping value It can be automatically adjusted according to road surface fluctuating situation, effectiveness in vibration suppression is more preferable, and structure is more succinct, and the process and method of control also compare Simply, cost is lower.
Description of the drawings
Fig. 1 spring supporting formulas stretch 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 diagrames
Valve module magnified partial view in the schematic diagram of Fig. 4 Fig. 3
Fig. 5 spring supporting formulas stretch 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 types stretch damping controlled type support damping device schematic diagram
Fig. 8 liquid gas brace type compression damping controlled type support damping device schematic diagrames
The automatically controlled damp type support damping device schematic diagrames of Fig. 91
The automatically controlled damp type support damping device schematic diagrames of Figure 10 2
The automatically controlled damp type support damping device schematic diagrames of Figure 11 3
Illustrate number title:
1- controls connecting rod 2- dynamometer spring 3- piston rods
4- support spring 5- elongated cavity 6- check valve sheets
7- piston 8- guiding valve 9- compression chambers
10- bottom valve 11- separator piston 12- air storage chambers
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 cylinder 19- accumulators(Compress gas spring)
20- single-action hydraulic cylinder 21- pressure reducing valve 22- check valves
23- overflow valve 24- controller 25- load cells(Measuring pressure)
26- load cells(Survey pulling force and pressure)27- signals or pilot
28- piston 29- bottom valve 30- electrically-controlled valves
31- piston chambers(Piston cavity).
Specific implementation mode
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(With)Compression resistance Buddhist nun's 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(Subtract The bottom valve to shake on device(10)Or piston(7)On guiding valve(8))And the compositions such as controls connecting rod (1).Bottom valve(10)Or piston(7) On have and controls connecting rod(1)The guiding valve of linkage(8), bottom valve(10)Or piston(7)On be additionally provided with check valve(6), work as dynamometer spring (2)When institute's dynamometry value variation, controls connecting rod(1)It can band movable pulley(8)It moves up and down, makes guiding valve(8)With piston(7)Or bottom valve (10)Valve port opening increase or reduce to change damping.
Operation principle:
Support damping device shown in Fig. 1, Fig. 2:When support damping device forced compression, liquid stream can passage path(14)With Path(15)From piston(7)On check valve(6)With the unidirectional valve flow on bottom valve.When support damping device switchs to stretch by compressing When support force from large to small, dynamometer spring(2)By short elongated, drive connecting rod(1)And connecting rod(1)On guiding valve(8)From it is lower toward It moves up, when support force is less than the gravity value or setting force value of support damping device institute supporter, upholds valve port(Fluid pathways (16)The valve port flowed through is rebound valve valve port)It is then gradually opened until valve standard-sized sheet by close stance, valve damps from large to small.
Fig. 3, support damping device shown in Fig. 4:When support damping device is upheld, fluid pathways can passage path(13) The path and(16)From the check valve on bottom valve(6)And piston(7)On valve flow.It is supported when support damping device forced compression Power is changed from small to big, dynamometer spring(2)It is shortened by length, drives connecting rod(1)And connecting rod(1)On guiding valve(8)It moves from lower to upper, works as branch When support force is more than the gravity value or setting force value of support damping device institute supporter, valve port is then gradually opened by close stance until valve Standard-sized sheet, valve damp from large to small.
Fig. 5, support damping device shown in fig. 6:When support damping device is upheld support force from large to small, dynamometer spring (2)By short elongated, drive connecting rod(1)And connecting rod(1)On guiding valve(8)It moves from lower to upper, when support force is less than support vibration damping dress When setting the gravity value or setting force value of institute's supporter, rebound valve valve port(Path(16)The valve port flowed through is rebound valve valve port)Then by Close stance is opened until standard-sized sheet, and rebound valve damps from large to small;When support damping device compresses, support force changes from small to big, dynamometry Spring(2)It is shortened by length, drives connecting rod(1)And connecting rod(1)On guiding valve(8)It moves, subtracts when support force is more than support from top to bottom When the gravity value or setting force value of vibrating device institute supporter, compression valve valve port(Path(14)The valve port flowed through is compression valve valve port) It is then opened until standard-sized sheet by close stance, compression valve damps from large to small;When support damping device is upheld, liquid stream passes through through path 13 Check valve (6) flows into compression chamber(9);When support damping device compresses, liquid stream flows into elongated cavity through path 15 by check valve (6) (5).Liquid stream passage path when support damping device is upheld and compressed(20)Flow into and out liquid storage device(19).
The controls connecting rod of Fig. 1, Fig. 3, Fig. 5(1)Can up and down adjustment, pass through adjusting control connecting rod(1)Position-adjustable slide Valve(8)Position, to adjust valve port open when and close valve when support damping device critical force value.
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), single-action hydraulic cylinder(20), hydraulic valve(Pressure reducing valve(21), overflow valve (23), check valve(22))Deng composition, the pressure spring of pressure reducing valve (21) and overflow valve (23) is set into or flows out hydraulic cylinder (20) flow stream pressure, and the flow stream pressure of into and out hydraulic cylinder (20) is compared with setting pressure, indirectly with this The support force size of hydraulic cylinder (20) is measured, and pressure reducing valve is adjusted according to comparison result(21)And overflow valve(23)The damping of valve port Value, to adjust into and out hydraulic cylinder(20)Flow stream pressure.
Operation principle:
Support damping device shown in Fig. 7:Hydraulic cylinder(20)When compression is retracted, liquid stream is through check valve(22)Flow into 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 force value, thus The support force for limiting hydraulic cylinder increases.
Support damping device shown in Fig. 8:When hydraulic cylinder (20) is upheld, accumulator (19) interior liquid stream is flowed through check valve (22) To hydraulic cylinder (20), when hydraulic cylinder (20) compresses, overflow valve (23) makes the flow stream pressure flowed out from hydraulic cylinder not less than setting power 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 (25,26), support spring (4), hydraulic cylinder(Damper)(17), electrically-controlled valve (That is shock absorber bottom valve (29) or piston(28)On valve(30))And the compositions such as controller (24), load-sensing unit (25,26) 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 It calculates the measured value of load-sensing unit (25,26) and controls the damping value of electrically-controlled valve (30)(Electrically-controlled valve refers to solenoid valve, magnetorheological damping Device, electro-rheological fluid damper etc.).Fig. 9, it is shown in Fig. 10 stretching or(With)Compression damping controlled type support damping device wherein bottom valve (29) at least one is equipped with electrically-controlled valve (30) or on piston (28), stretched shown in Figure 11 or(With)Compression damping controlled type branch At least one is equipped with electrically-controlled valve (30) and check valve (22) on support vibration absorber wherein bottom valve (29) or piston (28).
Operation principle:
Support damping device shown in Fig. 9:Force snesor A(25)Measure support spring(4)Support force, force snesor B(26) Measure hydraulic cylinder(Damper)(17)Pulling force or pressure.
Support damping device shown in Fig. 10:Force snesor A(25)Measure support spring(4)And hydraulic cylinder(Damper) (17)Total support force, force snesor B(26)Measure hydraulic cylinder(Damper)(17)Pulling force or pressure.
Support damping device shown in Figure 11:Force snesor(25)Measure support spring(4)And hydraulic cylinder(Damper) (17)Total support force, piston(28)Or(With)Bottom valve(29)On in addition to being equipped with electrically-controlled valve(30)It is also equipped with check valve(22).
In subsequent operating state explanation, the control signal of controller output is only applicable to control and electrically-controlled valve is housed(30)Work Plug(28)Or electrically-controlled valve is housed(30)Bottom valve(29), for not using electrically-controlled valve(30)Piston(28)Or electrically-controlled valve is not used (30)Bottom valve(29), damp the uncontrolled device of change in resistance(24)Control.Electrically-controlled valve is not used(30)Piston(28) or Electrically-controlled valve is not used(30)Bottom valve (29), working method is as the working method of the piston of conventional damper or bottom valve. Piston in Fig. 9, Figure 10, Figure 11 schematic diagram(28)And bottom valve(29)At least one is equipped with electrically-controlled valve (30), can also be two All 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 A (25) and load cell B (26) value measured calculates resultant force, when resultant force is more than setting force value and hydraulic cylinder(Damper)(17) when force value is pulling force, control The control signal of device (24) output processed increases piston(28)On electrically-controlled valve(30)Damping(Electrically-controlled valve is housed on piston(30)When It is applicable in), reduce bottom valve(29)On electrically-controlled valve(30)Damping(Electrically-controlled valve is housed on bottom valve(30)Shi Shiyong);When being more than with joint efforts Set force value and hydraulic cylinder(Damper)(17)Force value be pressure when, controller output control signal reduce piston(28)On Electrically-controlled valve(30)Damping(It is applicable in when electrically-controlled valve (30) are housed on piston) and bottom valve(29)Upper electrically-controlled valve(30)Damping (Electrically-controlled valve is housed on bottom valve(30)Shi Shiyong).
When resultant force is less than setting force value and hydraulic cylinder(Damper)(17)Force value be pulling force when, controller(24)Output It controls signal and reduces piston(28)On electrically-controlled valve(30)Damping and bottom valve(29)Upper electrically-controlled valve(30)Damping;When resultant force Less than setting force value and hydraulic cylinder(Damper)(17)Force value be pressure when, controller(24)The control signal of output, which reduces, lives Plug(28)Upper electrically-controlled valve(30)Damping(When electrically-controlled valve is housed on piston(30)It is applicable in), increase bottom valve(29)It is upper automatically controlled Valve(30)Damping(Electrically-controlled valve is housed on bottom valve(30)Shi Shiyong).
Support damping device shown in Figure 11:Sensor measurement support spring(4)And hydraulic cylinder(Damper)(17)It is total Support force, piston(28)Or(With)Bottom valve(29)On in addition to being equipped with electrically-controlled valve(30)It is also equipped with check valve(20).
When resultant force is more than setting force value, controller is defeated(24)Go out to control signal and increases piston(28)On electrically-controlled valve (30) Damping(It is applicable in when electrically-controlled valve (30) are housed on bottom valve), reduce bottom valve(29)On electrically-controlled valve (30) damping(It is filled on bottom valve It is applicable in when having electrically-controlled valve (30)).
When resultant force is less than setting force value, controller (24) output control signal reduces piston(28)On electrically-controlled valve (30) Damping(It is applicable in when electrically-controlled valve (30) are housed on piston), increase bottom valve(29)On electrically-controlled valve (30) damping(Bottom valve (29) It is applicable in when above equipped with electrically-controlled valve (30)).
When hydraulic cylinder (17) stretches and electrically-controlled valve (30) and check valve (22) are housed on bottom valve, liquid stream flows through on bottom valve (29) Check valve (22), not by bottom valve (29) electrically-controlled valve (30) influence.
When hydraulic cylinder (17) compresses and electrically-controlled valve (30) and check valve (22) are housed on piston (28), liquid stream flows through piston (28) check valve (22) on is not influenced by the electrically-controlled valve (30) on piston (28).
Selected preferred embodiment only lists a part therein herein, and every use measures force value directly or indirectly Adjusted by mechanical, automatically controlled or hydraulic control and the vibration damping of control damping force or using measure force value directly or indirectly through machinery, Automatically controlled or hydraulic control is adjusted and the support force value of control object is to reduce the method for vibration, is all used technical solution herein Obvious scheme row, 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(4,19), hydraulic cylinder(17,20), valve module(6,7,8,10,21,22,23,30,28,29), load-sensing unit (2,21,23,25,26), control assembly(1,21,23,24)Deng;
It is characterized in that:Support damping device is measured with load-sensing unit to the support force value of institute's supporter, and control assembly is by support force Value is compared with the gravity of setting force value or support damping device institute supporter, and passes through machinery, hydraulic pressure according to comparison result Or the damping of the modes control valve group such as automatically controlled.
2. (Fig. 1, Fig. 2)Support damping device as described in claim 1 it is characterized in that:
Control assembly is mainly by controls connecting rod(1)It constitutes, damper piston(7)On be integrated with including check valve(6)And guiding valve(8) Valve module inside, guiding valve(8)It is connected to controls connecting rod(1)On, load-sensing unit is mainly by spring(2)It constitutes;
Load-sensing unit (2) measures the support force of support damping device, and passes through controls connecting rod according to measured value(1)Regulating slide valve (8)Position, with the damping of this valve assembly (7,8).
3. support damping device as described in claim 1 it is characterized in that:
Control assembly is mainly by controls connecting rod(1)It constitutes, shock absorber bottom valve(10)On be integrated with including check valve(6)And guiding valve (8)In interior valve module, guiding valve(8)It is connected to controls connecting rod(1)On;
Load-sensing unit (2) measures the support force of support damping device, and adjusts valve group by controls connecting rod (1) according to force value is measured The damping of part (8,10).
4. support damping device as described in claim 1 it is characterized in that:
Control assembly is mainly by controls connecting rod(1)It constitutes, damper piston(7)On be integrated with including communicating with elongated cavity (5) Check valve(6), the check valve that communicates with compression chamber (9)(6)And mainly by guiding valve(8)The compression communicated with compression chamber constituted Valve and the stretching valve communicated with elongated cavity, guiding valve (8) are connected to controls connecting rod(1)On, piston cavity(Piston chamber)(31) it and stores up Liquid device(19)Connection, piston cavity pass through check valve(6)It is communicated with elongated cavity (5) and compression chamber (9);
When shock absorbers compression or extension, load-sensing unit (2) measures the support force of support damping device and leads to according to force value is measured Cross controls connecting rod(1)Adjust the damping for stretching valve and compression valve.
5. support damping device as described in claim 1 includes:
Single-action hydraulic cylinder(20), mainly by hydro-pneumatic accumulator(19)The support spring of composition, mainly by pressure reducing valve(21)And list To valve(22) valve module and dynamometry component and control assembly etc. constituted;
It is characterized in that:Hydro-pneumatic accumulator(19)It is connected with hydraulic cylinder by pressure reducing valve and with the check valve of pressure reducing valve parallel connection;Hydraulic pressure When cylinder is upheld, the setting pressure of flow stream pressure and pressure reducing valve into hydraulic cylinder is compared, and the damping of pressure reducing valve is adjusted with this Value;Hydraulic cylinder(20)When compression is retracted, liquid stream is through check valve(22)Flow into accumulator(19).
6. support damping device as described in claim 1 includes:
Single-action hydraulic cylinder(20), mainly by hydro-pneumatic accumulator(19)The support spring of composition, mainly by overflow valve(23)And list To valve(22)The valve module and dynamometry of composition and control assembly etc.;
It is characterized in that:Hydro-pneumatic accumulator(19)It is connected with hydraulic cylinder by overflow valve and with the check valve of overflow valve parallel connection;Hydraulic pressure When cylinder (20) compresses, the flow stream pressure for flowing out hydraulic cylinder is compared with the setting pressure of overflow valve, with this regulation relief valve Damping value;When hydraulic cylinder (20) is upheld, accumulator (19) interior liquid stream flows to hydraulic cylinder (20) through check valve (22).
7. support damping device as described in claim 1 includes:
Mainly by load cell(25,26)The load-sensing unit of composition, mainly by controller(24)It is the control assembly of composition, main By on piston electrically-controlled valve (30) or (and)The valve module of electrically-controlled valve (30) composition on bottom valve, etc.;
It is characterized in that:At least one is equipped with electrically-controlled valve on piston (28) and bottom valve (29)(30),
When damper fluid flow path is equipped with check valve, then it should at least fill a load cell and measure support damping device 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(24)The support force value of support damping device measured by load cell and setting force value or support are subtracted The gravity of vibrating device institute supporter is compared, and controls electrically-controlled valve according to the stress of comparison result and damper(30) Damping.
8. support damping device as claimed in claim 7 includes:
Measure the force-measuring sensing device assembly that support spring (4) supports force value(25)With the dynamometry for measuring damper (17) tension and compression force value Sensor module(26)And controller(24)Deng;
It is characterized in that:Pass through load cell(25,26)Measured value calculate support spring on current support damping device(4)With Damper(17)Resultant force, and judge the stress of damper, controller is according to the resultant force and vibration damping of support damping device The damping of the stress control electrically-controlled valve of device.
9. support damping device as claimed in claim 7 includes:Mainly by piston(28)On electrically-controlled valve(30)And check valve (22)The valve module of composition, mainly by controller(24)The control assembly of composition and mainly by load cell(25)The survey of composition Power element etc.;
It is characterized in that:Check valve on piston(22)With electrically-controlled valve(30)Parallel connection, load cell(25)Measure support vibration damping dress Set support spring(4)And damper(17)Resultant force, control assembly(24)By the support vibration damping dress measured by load cell The support force value set is compared with the gravity of setting force value or support damping device institute supporter, and is controlled according to comparison result Electrically-controlled valve(30)Damping.
10. a kind of vehicle, it is characterized in that using one or more of the support damping device as described in claim 1 ~ 10 Support damping device.
CN201810850830.1A 2018-07-29 2018-07-29 Support vibration damper Active CN108662069B (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
CN201810850830.1A CN108662069B (en) 2018-07-29 2018-07-29 Support vibration damper
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
DE112019003811.7T DE112019003811T5 (en) 2018-07-29 2019-05-14 Support vibration damping device and vehicle with support vibration damping device
US17/139,074 US20210123496A1 (en) 2018-07-29 2020-12-31 Support damping apparatus and vehicle using support damping apparatus

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CN201810850830.1A CN108662069B (en) 2018-07-29 2018-07-29 Support vibration damper

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CN110219929A (en) * 2019-07-16 2019-09-10 桂林电子科技大学 A kind of variable damping damper of variable volume
WO2020024653A1 (en) * 2018-07-29 2020-02-06 陈刚 Support vibration damping device and vehicle using support vibration damping device
CN110778636A (en) * 2019-11-26 2020-02-11 重庆大学 Bidirectional independent controllable magneto-rheological damper
WO2020199754A1 (en) * 2019-03-29 2020-10-08 陈刚 Electrically controlled hydraulic/pneumatic support shock absorber
CN111750025A (en) * 2019-03-29 2020-10-09 陈刚 Electric control liquid-gas support shock absorber

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