CN109488718A - A kind of new-energy automobile damping chassis - Google Patents

A kind of new-energy automobile damping chassis Download PDF

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Publication number
CN109488718A
CN109488718A CN201811371249.8A CN201811371249A CN109488718A CN 109488718 A CN109488718 A CN 109488718A CN 201811371249 A CN201811371249 A CN 201811371249A CN 109488718 A CN109488718 A CN 109488718A
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CN
China
Prior art keywords
working cylinder
damping
new
energy automobile
piston
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Granted
Application number
CN201811371249.8A
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Chinese (zh)
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CN109488718B (en
Inventor
刘山平
屈贤
刘力
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Xu Xuejiao
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Individual
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Priority to CN201811371249.8A priority Critical patent/CN109488718B/en
Publication of CN109488718A publication Critical patent/CN109488718A/en
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Publication of CN109488718B publication Critical patent/CN109488718B/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
    • 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
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60GVEHICLE SUSPENSION ARRANGEMENTS
    • B60G15/00Resilient suspensions characterised by arrangement, location or type of combined spring and vibration damper, e.g. telescopic type
    • B60G15/02Resilient suspensions characterised by arrangement, location or type of combined spring and vibration damper, e.g. telescopic type having mechanical spring
    • B60G15/06Resilient suspensions characterised by arrangement, location or type of combined spring and vibration damper, e.g. telescopic type having mechanical spring and fluid damper
    • B60G15/061Resilient suspensions characterised by arrangement, location or type of combined spring and vibration damper, e.g. telescopic type having mechanical spring and fluid damper with a coil spring being mounted inside the damper
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60GVEHICLE SUSPENSION ARRANGEMENTS
    • B60G15/00Resilient suspensions characterised by arrangement, location or type of combined spring and vibration damper, e.g. telescopic type
    • B60G15/02Resilient suspensions characterised by arrangement, location or type of combined spring and vibration damper, e.g. telescopic type having mechanical spring
    • B60G15/06Resilient suspensions characterised by arrangement, location or type of combined spring and vibration damper, e.g. telescopic type having mechanical spring and fluid damper
    • B60G15/067Resilient suspensions characterised by arrangement, location or type of combined spring and vibration damper, e.g. telescopic type having mechanical spring and fluid damper characterised by the mounting on the vehicle body or chassis of the spring and damper unit
    • 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
    • F16F13/005Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs comprising both a wound spring and a damper, e.g. a friction damper
    • F16F13/007Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs comprising both a wound spring and a damper, e.g. a friction damper the damper being a fluid damper
    • 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
    • F16F9/3207Constructional features
    • F16F9/3214Constructional features of pistons
    • 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
    • F16F9/3278Details for lubrication
    • 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
    • F16F9/42Cooling arrangements
    • 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
    • F16F2222/00Special physical effects, e.g. nature of damping effects
    • F16F2222/06Magnetic or electromagnetic
    • 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
    • F16F2222/00Special physical effects, e.g. nature of damping effects
    • F16F2222/12Fluid damping
    • 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
    • F16F2224/00Materials; Material properties
    • F16F2224/04Fluids
    • F16F2224/045Fluids magnetorheological
    • 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
    • F16F2228/00Functional characteristics, e.g. variability, frequency-dependence
    • F16F2228/06Stiffness
    • F16F2228/066Variable stiffness

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Vibration Prevention Devices (AREA)

Abstract

The invention discloses a kind of new-energy automobile damping chassis, including chassis body, the bottom of chassis body is fixedly connected with supporting block, the two sides of supporting block offer supporting groove, the inner wall of supporting groove is fixedly connected to guide rod in two sides up and down, the surface of guide rod is socketed with oscillating rod, and oscillating rod is fixedly connected with wheel far from the side of supporting block;MR vibration damper is equipped between chassis body and oscillating rod;MR vibration damper includes working cylinder, working cylinder bottom end is by being installed by welding with lower mounting ring, the work inside wall of cylinder offers oil storage room, and through-hole is offered between working cylinder bottom end and oil storage room bottom end, is equipped with piston component inside working cylinder, both ends are equipped with placed seat by glue socket on the outside of working cylinder, the outer middle side part of working cylinder is socketed installation rubber sleeve by glue, and structure of the invention is scientific and reasonable, safe and convenient to use, the applicability of damper is stronger, and damping effect is more preferably.

Description

A kind of new-energy automobile damping chassis
Technical field
The present invention relates to automobile technical field, specially a kind of new-energy automobile damping chassis.
Background technique
New-energy automobile includes pure electric automobile, stroke-increasing electric automobile, hybrid vehicle, fuel battery electric vapour Vehicle, hydrogen engine automobile, other new-energy automobiles etc..The damping effect of new-energy automobile chassis currently on the market is poor, On the road surface of out-of-flatness when driving, generation is stronger jolts, and influences the operating characteristics of new-energy automobile, such as CN New-energy automobile damping chassis disclosed in 207997740U.
Currently, also there is the new-energy automobile using MR vibration damper.MR vibration damper is to utilize inductive reaction, since Based on from the input information of monitoring vehicle body and wheel movement sensors, real-time sound is made to road conditions and driving environment;It is magnetorheological Liquid is a kind of soft grain suspension of magnetism, and after the electromagnetic coil being set in shock absorber piston is powered, the magnetic field of coil will change The rheological behavior of magnetic rheological liquid, thus in the case of no electromechanical control valve and simple mechanical device, generation is swift in response, The strong damping force of controllability;MR vibration damper has that the adjustable multiple of damping force is high, it is real-time to be easily achieved computer variable damping Control and feature compact-sized and that external input energy is small, are increasingly subject to the great attention of engineering circles.
But the MR vibration damper applied to new-energy automobile chassis is when in use, there is also following disadvantages: using When, the magnitude of current inside electromagnetic coil is smaller, when can not generate biggish magnetic field and having an impact to magnetorheological fluid, will lead to and subtracts Shake device damping effect reduce, shake in biggish situation, damping can not be carried out to it by damper so that vehicle jolt compared with Greatly, it influences to experience by bus;Also, it when in use, can be infected with dust on the outside of position-limiting tube, lead to Caton occur during damping Phenomenon can not carry out damping to it;When being placed to damper, it will lead to damper directly with ground face contact, will lead to Damper damage, influences the normal use of damper;Damper at work, can do reciprocal piston motion, can generate larger Heat, influence the service life of damper.
Summary of the invention
The present invention provides a kind of new-energy automobile damping chassis, can effectively solve technology mentioned above in the background art Problem.
To achieve the above object, the invention provides the following technical scheme: a kind of new-energy automobile damping chassis, including chassis Ontology, the bottom of the chassis body are fixedly connected with supporting block, and the two sides of supporting block offer supporting groove, supporting groove Inner wall up and down two sides be fixedly connected to guide rod, the surface of the guide rod is socketed with oscillating rod, and the oscillating rod is separate The side of supporting block is fixedly connected with wheel;MR vibration damper is equipped between the chassis body and oscillating rod;
The MR vibration damper includes working cylinder, and the working cylinder bottom end is described by being installed by welding with lower mounting ring The work inside wall of cylinder offers oil storage room, offers through-hole between the working cylinder bottom end and oil storage room bottom end, in the working cylinder Portion bottom end is by being installed by welding with foot valve seat;
Piston component is installed, the piston component includes piston, packer ring, electromagnetic wire inside the working cylinder Circle, deflector hole, regulating tank, elastomeric bladder and adjustment hole, piston outside insertion are equipped with packer ring, the seal rubber By being connected together between ring and the work inside wall of cylinder, the internal piston edge, which is embedded in, is equipped with electromagnetic coil, in the piston Equidistant on the outside of portion to offer deflector hole, deflector hole side bottom end offers regulating tank, and the regulating tank inner wall is fitted with Elastomeric bladder offers adjustment hole, is welded with piston rod in the middle part of the piston tip between the deflector hole and regulating tank.
Preferably, both ends are socketed by glue and are equipped with placed seat on the outside of the working cylinder, in the working cylinder outside Portion is socketed installation rubber sleeve by glue, and equidistant cutting has anti-skid chequer on the outside of the rubber sleeve.
Preferably, semiconductor chilling plate is equipped with by fixed screw on the inside of the rubber sleeve.
Preferably, described piston rod one end is equipped with spare dampening assembly, and the spare dampening assembly includes position-limiting tube, limit Position disk, the first damping spring and the second damping spring, described piston rod one end are welded with position-arresting disk, socket on the outside of the position-arresting disk There is position-limiting tube, the position-arresting disk top is equipped with the first damping spring, and the position-arresting disk bottom end is equipped with the second damping spring.
Preferably, the position-limiting tube top is equipped with lubrication by being installed by welding with upper mounting ring, the working cylinder top Component, the lubrication assembly include lubricator stand, lubrication chamber, oil suction sponge ring, oil seepage hole and oil inlet, the working cylinder and profit By being welded to connect between slide, lubrication chamber is offered inside the lubricator stand, the lubricating cavity indoor offers permeability Hole, the oil seepage hole side are fitted with oil suction sponge ring, and the lubricator stand top offers oil inlet, the semiconductor chilling plate It is electrically connected with the output end of power supply with the input terminal of electromagnetic coil.
Preferably, pass through bullet between position-arresting disk and the second damping spring between the position-arresting disk and the first damping spring Spring fixing seat is fixedly connected.
Preferably, magnetorheological fluid is filled with inside the working cylinder.
Preferably, the overall diameter of the position-arresting disk is equal to the interior diameter of position-limiting tube.
Preferably, the overall diameter of the packer ring is equal to the interior diameter of working cylinder.
Preferably, the damping force of first damping spring and the second damping spring is greater than magnetorheological fluid under magnetic field condition Damping force.
Compared with prior art, beneficial effects of the present invention: structure of the invention is scientific and reasonable, safe and convenient to use:
1, MR vibration damper is provided with piston component, is entered inside regulating tank by magnetorheological fluid, causes to elastomeric bladder It squeezes, so that elastomeric bladder is squeezed into inside deflector hole by adjustment hole, the size of deflector hole can be adjusted, Ke Yiyou Effect ground improves the damping effect of damper, can be according to the amplitude of vibration size and piston motion during vehicle actual travel Deflector hole is adjusted in size, may be implemented to adjust the hardness of damper, so that the applicability of damper is stronger, damping Better effect.
2, MR vibration damper is provided with lubrication assembly, is carried out by lubricating oil of the oil suction sponge ring to lubrication chamber interior It absorbs, and is applied on the outside of position-limiting tube by oil seepage hole, it, can be effectively when position-limiting tube does piston motion inside working cylinder Prevent position-limiting tube skin-friction force is excessive from leading to Caton phenomenon occur, so that damper is during use more smoothly, So that vehicle is more stable during use, comfort by bus is improved.
3, MR vibration damper is provided with spare dampening assembly, and in the process of moving, the vibration pressure of generation is greater than vehicle When damping force of the magnetorheological fluid in magnetic field, by the first damping spring and the second damping spring, vehicle can be carried out secondary Damping, avoid vibration pressure it is excessive, magnetorheological fluid can not to vehicle carry out damping when, cause vehicle to jolt seriously, extend The service life of damper.
4, MR vibration damper setting rubber sleeve, anti-skid chequer and placed seat, by rubber sleeve and anti-skid chequer, to damping When device is carried, it is smaller to be effectively prevented damper skin-friction force, causes damper to fall off and damage, together When, it is more comfortable when being carried in winter to damper, by placed seat, it can be effectively avoided and damper is put When setting, damper is directly in contact with ground, and damper is caused to be collided with and damaged.
5, MR vibration damper is provided with semiconductor chilling plate, the low temperature generated by semiconductor chilling plate, to damper The heat generated in the course of work radiates, and prevents damper internal heat excessively high the phenomenon that causing damper to burst, Extend the service life of damper.
Detailed description of the invention
Attached drawing is used to provide further understanding of the present invention, and constitutes part of specification, with reality of the invention It applies example to be used to explain the present invention together, not be construed as limiting the invention.
In the accompanying drawings:
Fig. 1 is structural schematic diagram of the invention;
Fig. 2 is the structural schematic diagram of MR vibration damper of the present invention;
Fig. 3 is the structural schematic diagram inside working cylinder of the present invention;
Fig. 4 is the mounting structure schematic diagram of the spare dampening assembly of the present invention;
Fig. 5 is the mounting structure schematic diagram of inventive piston component;
Fig. 6 is the structural schematic diagram of lubrication assembly of the present invention;
Fig. 7 is the mounting structure schematic diagram of semiconductor chilling plate of the present invention;
Figure label: 1, working cylinder;2, lower mounting ring;3, oil storage room;4, through-hole;5, foot valve seat;6, placed seat;7, rubber Set;8, semiconductor chilling plate;9, anti-skid chequer;10, piston component;1001, piston;1002, packer ring;1003, electromagnetic wire Circle;1004, deflector hole;1005, regulating tank;1006, elastomeric bladder;1007, adjustment hole;11, piston rod;12, spare dampening assembly; 1201, position-limiting tube;1202, position-arresting disk;1203, the first damping spring;1204, the second damping spring;13, upper mounting ring;14, moisten Sliding component;1401, lubricator stand;1402, chamber is lubricated;1403, oil suction sponge ring;1404, oil seepage hole;1405, oil inlet;15, Chassis body;1501, supporting block;1502, supporting groove;1503, guide rod;16, oscillating rod;17, wheel.
Specific embodiment
Hereinafter, preferred embodiments of the present invention will be described with reference to the accompanying drawings, it should be understood that preferred reality described herein Apply example only for the purpose of illustrating and explaining the present invention and is not intended to limit the present invention.
Embodiment: as shown in figs. 1-7, a kind of new-energy automobile damping chassis provided in this embodiment, including chassis body, The bottom of the chassis body 15 is fixedly connected with supporting block 1501, and the two sides of supporting block 1501 offer supporting groove 1502, two sides are fixedly connected to guide rod 1503, the surface set of the guide rod 1503 to the inner wall of supporting groove 1502 up and down It is connected to oscillating rod 16, the oscillating rod 16 is fixedly connected with wheel 17 far from the side of supporting block 1501;The chassis body 15 MR vibration damper is equipped between oscillating rod.
The MR vibration damper includes working cylinder 1, in order to be run over by the characteristic of magnetorheological fluid to vehicle The vibration damping generated in journey is filled with magnetorheological fluid inside working cylinder 1, and 1 bottom end of working cylinder is by being installed by welding with lower installation Ring 2,1 inner wall of working cylinder offer oil storage room 3, and 1 bottom end of working cylinder and oil storage room offer through-hole 4, working cylinder 1 between 3 bottom end Inner bottom is by being installed by welding with foot valve seat 5, in order to enable being not in skid during carrying and mounting shock absorber Phenomenon, it is more comfortable when being mounted and dismounted in winter to damper, hand will not be frozen, 1 outside both ends of working cylinder pass through Glue socket is equipped with placed seat 6, and the outer middle side part of working cylinder 1 is socketed installation rubber sleeve 7,7 outside of rubber sleeve etc. by glue Distance, which is dug, anti-skid chequer 9, and the heat generated to reduce damper at work because of friction extends the use of damper Service life is equipped with semiconductor chilling plate 8, the model TEC- of semiconductor chilling plate 8 by fixed screw on the inside of rubber sleeve 7 12705。
Piston component 10 is installed, piston component 10 includes piston 1001, packer ring 1002, electricity inside working cylinder 1 Magnetic coil 1003, deflector hole 1004, regulating tank 1005, elastomeric bladder 1006 and adjustment hole 1007 are embedded in installation on the outside of piston 1001 There is packer ring 1002, passes through between 1 inner wall of packer ring 1002 and working cylinder and be connected together, 1001 inside edge of piston Insertion is equipped with electromagnetic coil 1003, and 1001 middle part outside of piston is equidistant to offer deflector hole 1004,1004 side of deflector hole Bottom end offers regulating tank 1005, and 1005 inner wall of regulating tank is fitted with elastomeric bladder 1006, deflector hole 1004 and regulating tank 1005 it Between offer adjustment hole 1007,1001 top middle portion of piston is welded with piston rod 11.
When vibration pressure is excessive, and magnetorheological fluid can not be to generated vibration progress damping, pass through spare dampening assembly 12 can play good damping effect, and 11 one end of piston rod is equipped with spare dampening assembly 12, and spare dampening assembly 12 includes Position-limiting tube 1201, position-arresting disk 1202, the first damping spring 1203 and the second damping spring 1204, the welding of 11 one end of piston rod are limited Position disk 1202, inside position-limiting tube 1201 left and right displacement occurs for piston rod 11 in order to prevent, causes damper to damage, position-arresting disk 1202 overall diameter is equal to the interior diameter of position-limiting tube 1201, is socketed with position-limiting tube 1201 on the outside of position-arresting disk 1202, in order to enable limit Position pipe 1201 can move up and down inside working cylinder 1, and avoiding left and right displacement causes damper to damage, packer ring 1002 Overall diameter be equal to working cylinder 1 interior diameter, 1202 top of position-arresting disk is equipped with the first damping spring 1203,1202 bottom of position-arresting disk End is equipped with the second damping spring 1204, in order to enable between position-arresting disk 1202 and the first damping spring 1203 and position-arresting disk 1202 It is fixedly connected between the second damping spring 1204 more stable, between position-arresting disk 1202 and the first damping spring 1203 and limits It is fixedly connected by spring fixed seat between position disk 1202 and the second damping spring 1204, in order in the damping force of magnetorheological fluid When can not carry out damping to the vibration in vehicle traveling process, the first damping spring 1203 and the second damping spring can be passed through The vibration generated in 1204 pairs of vehicle travel process carries out damping, the resistance of the first damping spring 1203 and the second damping spring 1204 Buddhist nun's power is greater than damping force of the magnetorheological fluid under magnetic field condition.
In order to be lubricated to position-limiting tube 1201, prevent showing for Caton occur during piston 1001 moves As influencing the normal damping effect of damper, 1201 top of position-limiting tube is pushed up by being installed by welding with upper mounting ring 13, working cylinder 1 End is equipped with lubrication assembly 14, and lubrication assembly 14 includes lubricator stand 1401, lubrication chamber 1402, oil suction sponge ring 1403, permeability Hole 1404 and oil inlet 1405 offer profit inside lubricator stand 1401 by being welded to connect between working cylinder 1 and lubricator stand 1401 Sliding chamber 1402 lubricates and offers oil seepage hole 1404 on the inside of chamber 1402, and 1404 side of oil seepage hole is fitted with oil suction sponge ring 1403,1401 top of lubricator stand offers oil inlet 1405, the input terminal of semiconductor chilling plate 8 and electromagnetic coil 1003 with electricity The output end in source (the preferably included power supply of automobile) is electrically connected.
Working principle and effect process: the vibration generated in vehicle traveling process is reduced by MR vibration damper, works as magnetic When rheology damper works, the vibration that automobile generates can promote to be passed through electric current inside electromagnetic coil 1003, so that electromagnetic coil 1003 nearby generate magnetic field, and low-flow can be presented in magnetorheological fluid under the influence of a magnetic field, so that piston 1001 is in working cylinder 1 Portion's movement pumps, and eliminates to the vibration generated in vehicle traveling process, installs to MR vibration damper During, by holding rubber sleeve 7 and anti-skid chequer 9, it is smaller to be effectively prevented damper skin-friction force, leads to damping Device falls off and damages, meanwhile, it is more comfortable when being installed in winter to damper, it, can be effective by placed seat 6 When ground avoids placing damper, damper is directly in contact with ground, and damper is caused to be collided with and damaged, During MR vibration damper works, the magnetorheological fluid that working cylinder is 1 can pass through piston 1001 by deflector hole 1004, enter Another chamber, at this point, magnetorheological fluid can also enter inside regulating tank 1005, and full of the elastomeric bladder inside regulating tank 1005 1006, elastomeric bladder 1006 is full of after magnetorheological fluid, it may occur that deformation, so that the elastomeric bladder 1006 full of magnetorheological fluid passes through tune Knothole 1007 enters inside deflector hole 1004, the diameter of deflector hole 1004 is adjusted, so that MR vibration damper exists Deflector hole 1004 can be adjusted according to the size of vehicle vibration pressure during work, so that MR vibration damper More preferably, applicability is stronger for damping effect, makees when the vibration pressure that automobile generates in the process of moving is greater than magnetorheological fluid in magnetic field Damping force under, when leading to not carry out damping to the vibration that automobile generates, piston rod 11 drives position-arresting disk 1202 limiting It pumps inside pipe 1201, by the first damping spring 1203 and the second damping spring 1204 to vehicle travel process The vibration of middle generation carries out secondary shock-absorbing, improves the damping effect of MR vibration damper, when MR vibration damper is due to for a long time Pump cause 1201 skin-friction force of position-limiting tube increase, influence work normally when, pass through oil suction sponge ring Lubricating oil inside 1403 pairs of lubrication chambers 1402 absorbs, and is applied to 1201 surface of position-limiting tube by oil seepage hole 1404, The frictional force for reducing 1201 surface of position-limiting tube, so that MR vibration damper pumps more smoothly, so that damping Better effect, when lubricating the lubricating oil inside chamber 1402 and being finished, by oil inlet 1405 to being added inside lubricator stand 1401 Lubricating oil, due to constantly rubbing, can generate biggish heat during MR vibration damper work, at this point, logical It crosses semiconductor chilling plate 8 and generates low temperature, and conducted by working cylinder 1 to working cylinder 1, to the heat generated inside working cylinder 1 Amount cools down, and prevents damper internal heat excessively high the phenomenon that causing damper to burst, extends the use of damper Service life.
Finally, it should be noted that being not intended to restrict the invention the foregoing is merely preferred embodiment of the invention, to the greatest extent Present invention has been described in detail with reference to the aforementioned embodiments for pipe, for those skilled in the art, still can be with It modifies the technical solutions described in the foregoing embodiments or equivalent replacement of some of the technical features.It is all Within the spirit and principles in the present invention, any modification, equivalent replacement, improvement and so on should be included in guarantor of the invention Within the scope of shield.

Claims (9)

1. the bottom of a kind of new-energy automobile damping chassis, including chassis body (15), the chassis body (15) is fixedly connected Have supporting block (1501), the two sides of supporting block (1501) offer supporting groove (1502), the inner wall of supporting groove (1502) Upper and lower two sides are fixedly connected to guide rod (1503), and the surface of the guide rod (1503) is socketed with oscillating rod (16), described Oscillating rod (16) is fixedly connected with wheel (17) far from the side of supporting block (1501);The chassis body (15) and oscillating rod it Between be equipped with MR vibration damper;
The MR vibration damper includes working cylinder (1), working cylinder (1) bottom end by being installed by welding with lower mounting ring (2), It is characterized by: working cylinder (1) inner wall offers oil storage room (3), working cylinder (1) bottom end and oil storage room (3) bottom end Between offer through-hole (4), working cylinder (1) inner bottom is by being installed by welding with foot valve seat (5);
It is equipped with piston component (10) inside the working cylinder (1), the piston component (10) includes piston (1001), sealing rubber Rubber ring (1002), electromagnetic coil (1003), deflector hole (1004), regulating tank (1005), elastomeric bladder (1006) and adjustment hole (1007), insertion is equipped with packer ring (1002) on the outside of the piston (1001), the packer ring (1002) and work Make by being connected together between cylinder (1) inner wall, the internal edge insertion of the piston (1001) is equipped with electromagnetic coil (1003), institute State in the middle part of piston (1001) that outside is equidistant to be offered deflector hole (1004), deflector hole (1004) the side bottom end offers tune It saves slot (1005), regulating tank (1005) inner wall is fitted with elastomeric bladder (1006), the deflector hole (1004) and regulating tank (1005) it is offered between adjustment hole (1007), piston (1001) top middle portion is welded with piston rod (11);
Described piston rod (11) one end is equipped with spare dampening assembly (12), and the spare dampening assembly (12) includes position-limiting tube (1201), position-arresting disk (1202), the first damping spring (1203) and the second damping spring (1204), described piston rod (11) one end It is welded with position-arresting disk (1202), is socketed with position-limiting tube (1201) on the outside of the position-arresting disk (1202), position-arresting disk (1202) top End is equipped with the first damping spring (1203), and position-arresting disk (1202) bottom end is equipped with the second damping spring (1204).
2. a kind of new-energy automobile damping chassis according to claim 1, it is characterised in that: on the outside of the working cylinder (1) Both ends are equipped with placed seat (6) by glue socket, and the outer middle side part of the working cylinder (1) is equipped with rubber by glue socket It covers (7), equidistant cutting has anti-skid chequer (9) on the outside of the rubber sleeve ().
3. a kind of new-energy automobile damping chassis according to claim 2, it is characterised in that: on the inside of the rubber sleeve (7) Semiconductor chilling plate (8) are installed by fixed screw.
4. a kind of new-energy automobile damping chassis according to any one of claims 1 to 4, it is characterised in that: the limit (1201) top is managed by being installed by welding with upper mounting ring (13), working cylinder (1) top is equipped with lubrication assembly (14), institute State lubrication assembly (14) include lubricator stand (1401), lubrication chamber (1402), oil suction sponge ring (1403), oil seepage hole (1404) and Oil inlet (1405), by being welded to connect between the working cylinder (1) and lubricator stand (1401), the lubricator stand (1401) is internal Lubrication chamber (1402) is offered, offers oil seepage hole (1404), the oil seepage hole on the inside of the lubrication chamber (1402) (1404) side is fitted with oil suction sponge ring (1403), and lubricator stand (1401) top offers oil inlet (1405), described The input terminal of semiconductor chilling plate (8) and electromagnetic coil (1003) is electrically connected with the output end of power supply.
5. a kind of new-energy automobile damping chassis according to claim 4, it is characterised in that: the position-arresting disk (1202) with Pass through spring fixed seat between position-arresting disk (1202) and the second damping spring (1204) between first damping spring (1203) It is fixedly connected.
6. a kind of new-energy automobile damping chassis according to claim 4, it is characterised in that: the working cylinder (1) is internal Filled with magnetorheological fluid.
7. a kind of new-energy automobile damping chassis according to claim 4, it is characterised in that: the position-arresting disk (1202) Overall diameter is equal to the interior diameter of position-limiting tube (1201).
8. a kind of new-energy automobile damping chassis according to claim 4, it is characterised in that: the packer ring (1002) overall diameter is equal to the interior diameter of working cylinder (1).
9. a kind of new-energy automobile damping chassis according to claim 4, it is characterised in that: first damping spring (1203) and the damping force of the second damping spring (1204) is greater than damping force of the magnetorheological fluid under magnetic field condition.
CN201811371249.8A 2018-11-18 2018-11-18 A kind of new-energy automobile damping chassis Active CN109488718B (en)

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Cited By (4)

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CN112092559A (en) * 2020-10-09 2020-12-18 辽宁工程技术大学 Chassis damping structure of new energy automobile
CN112455359A (en) * 2020-11-20 2021-03-09 桂林电子科技大学 Noise reduction device for automobile chassis
CN113217573A (en) * 2021-03-30 2021-08-06 宁波长隆锦泰机械科技有限公司 Automobile shock absorber ware piston rod convenient to heat dissipation
CN113639001A (en) * 2021-08-12 2021-11-12 万桂莲 Magneto-rheological damper for novel energy source motor vehicle

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112092559A (en) * 2020-10-09 2020-12-18 辽宁工程技术大学 Chassis damping structure of new energy automobile
CN112455359A (en) * 2020-11-20 2021-03-09 桂林电子科技大学 Noise reduction device for automobile chassis
CN113217573A (en) * 2021-03-30 2021-08-06 宁波长隆锦泰机械科技有限公司 Automobile shock absorber ware piston rod convenient to heat dissipation
CN113639001A (en) * 2021-08-12 2021-11-12 万桂莲 Magneto-rheological damper for novel energy source motor vehicle

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