CN103921637B - Vibration absorber and electric wheel in High-speed Electric driving wheel wheel - Google Patents

Vibration absorber and electric wheel in High-speed Electric driving wheel wheel Download PDF

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Publication number
CN103921637B
CN103921637B CN201410177386.3A CN201410177386A CN103921637B CN 103921637 B CN103921637 B CN 103921637B CN 201410177386 A CN201410177386 A CN 201410177386A CN 103921637 B CN103921637 B CN 103921637B
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China
Prior art keywords
wheel
described
damping fluid
support bar
vibration absorber
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CN201410177386.3A
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Chinese (zh)
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CN103921637A (en
Inventor
邓兆祥
马英
梁伟强
周杰
张玉明
王子龙
徐军
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重庆大学
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Abstract

The invention discloses vibration absorber in a kind of High-speed Electric driving wheel wheel, comprise damping shock absorber and spring cushion, described damping shock absorber comprises damper housing and support bar, is provided with dampened disk on support bar, also disclose a kind of electric wheel, comprised wheel shaft and motor stator, described damper housing is fixed on wheel shaft, and described receiver is fixedly connected with motor stator respectively with guide holder. vibration absorber and electric wheel in High-speed Electric driving wheel wheel of the present invention, it is connected to wheel hub motor and brake on axletree by interior vibration absorber, transmit active force and the reaction force between wheel shaft and motor by interior vibration absorber, the ride comfort of raising motor driven electric car that can be very large, comfortableness, improve wheel hub motor working environment, it makes the damping absorber effect of can having held concurrently of the quality of wheel hub motor and brake, eliminate the adverse effect that unsprung mass increase brings, and damping shock absorber and spring cushion are integrated, compact conformation, volume is little, lightweight.

Description

Vibration absorber and electric wheel in High-speed Electric driving wheel wheel

Technical field

The present invention relates to a kind of vibration absorber, particularly a kind of vibration damping of high-speed hub motor driven systems dressPut.

Background technology

Due to the aggravation of environmental pollution and energy crisis, electric automobile has become and has reduced discharge and save the energyThe important research direction of technology. Current pure electric automobile drive form mainly contains two kinds: concentrate motor to driveAnd In-wheel motor driving (comprising retardation gear ejector half and directly driving), the former replace internal combustion engine with motorPower is assigned to each driving wheel by decelerator and differential mechanism, thereby drives Vehicle Driving Cycle; Latter isDrive motors is arranged in wheel, and this drive form can be simplified transmission system greatly, both can save in compartmentSpace, can improve again transmission efficiency. Therefore, Electric Motor Wheel drives electric automobile with its unique advantage, will becomeAn important development direction of electric vehicle.

Wheel hub motor is installed pattern, and more common way is that motor is connected with wheel rate at present, for exampleThe outer rotor direct driving wheel hub motor of France TM4 is using motor outer rotor and wheel rim as one; MitsubishiLancer car rotor is direct and wheel is fixed. Although such mounting means realized motor withThe Efficient Conversion of power between wheel, but the vibration of wheel is directly delivered to motor, can reduce motor on the one handDurability; The introducing of wheel hub motor has produced an important problem on the other hand: wheel hub motor increasesWheel unsprung mass has had a strong impact on security and the comfortableness of vehicle.

In the approach overcoming the above problems at present, mainly contain: adopt light-weight design, improve power of motor density,Develop the passive suspension system of a set of applicable wheel rim driven motor vehicle or the special control strategy of controlled suspension withAnd wheel in increase vibration absorber. Employing lightweight means are subject to the intensity of material own, rigidity and energy storage capacityRestriction; The raising of power of motor density is subject to the restriction of space heat elimination environment in current motor research level and wheel;Although passive type suspension is simple in structure, the restriction that mutually restricted by ride comfort and security, therefore solvesEffect is very limited; Half active or Active suspension, can be by various control methods as skyhook damping, fuzzyDamping, rigidity or the forcer to suspension such as control, Self Adaptive Control controlled, but relative costHigher, complex structure, and how no matter adopt, finally also can only adopt security and ride comfort foldingIn method realize, cannot deal with problems at all; Adopt the mode of additional bump leveller, although can be fineGround reduces the dynamic loading of wheel, improve the ride comfort of car load, but because the increase of complete vehicle quality makes car loadEconomy, dynamic property and braking ability are all affected, and make biddability and inherent characteristic etc. the property of suspension simultaneouslyCan also be affected, and the own volume of bump leveller and the requirement of working space has also been increased to bump leveller installationDifficulty.

Although the dynamic antivibration shock absorption system of BRIDGESTONE company exploitation at present has very greatly and changes the vertical performance of vehicleKind, but there is too complicated, the excessive defect of total quality in the structure of its whole Electric Motor Wheel; Therefore, orderBefore also there is no the poor and wheel of a kind of ride comfort, comfortableness that can solve In-wheel motor driving electric automobileThe vibration absorber of the key issues such as hub machine operation environment is severe.

Summary of the invention

In view of this, the object of this invention is to provide vibration absorber in a kind of High-speed Electric driving wheel wheel, to solve motorDrive the problems such as the poor and wheel hub motor work under bad environment of ride comfort, the comfortableness of electric automobile.

Vibration absorber in High-speed Electric driving wheel wheel of the present invention, comprises damping shock absorber and spring cushion;

Described damping shock absorber comprises damper housing and is through on damper housing and with damper housing to be slidedThe moving support bar coordinating, damper housing is stretched out at the two ends of described support bar, on described support bar, is provided withThe dampened disk of squeezed air-damping liquid;

Described spring cushion comprises receiver and is arranged in the spring of receiver, described receiver and supportOne end of bar is fixedly connected with, and described spring housing is on support bar, and one end of spring withstands on damper housingUpper, the other end of spring withstands on receiver.

Further, described damper housing comprises damping fluid cavity and is connected with damping fluid cavity detachableDamping fluid lid, is provided with static sealing ring between described damping fluid lid and damping fluid cavity, described supportBar two ends are respectively through damping fluid cavity and damping fluid lid, and on support bar, are provided with respectively and damping fluidThe dynamic seal ring that cavity and damping fluid lid coordinate.

Further, on described damping fluid lid, be provided with the pilot hole being slidably matched with receiver single-degree-of-freedom,On the other end of described support bar, be provided with guide holder, described guide holder and damping fluid cavity single-degree-of-freedom are slidingMoving cooperation.

Further, the cross section of described pilot hole is oblate.

The present invention has the electric wheel of vibration absorber in High-speed Electric driving wheel wheel, comprises wheel shaft and motor stator,Described damper housing is fixed on wheel shaft, described support bar vertically arrange and support bar vertical with wheel shaft,Described receiver is fixedly connected with motor stator respectively with guide holder.

Further, described electric wheel also comprises brake, and the brake disc of described brake and rotor are solidFixed connection, the caliper of described brake is fixedly connected with motor stator.

Beneficial effect of the present invention:

1, vibration absorber and electric wheel in High-speed Electric driving wheel wheel of the present invention, it passes through interior vibration absorber by wheel hubMotor and brake are connected on axletree, by interior vibration absorber transmit active force between wheel shaft and motor withReaction force. In the time that electric wheel travels on uneven road surface, wheel hub motor is subject to the vibration generation that wheel transmitsBeat, beating of motor passes to receiver and support bar, and meanwhile spring-compressed plays buffer shock-absorbing effect,Dampened disk squeezed air-damping liquid plays the effect that consumes impact shock energy; And when motor is beated with respect to wheel shaftTime, interior vibration absorber also can play identical buffer shock-absorbing effect; And spring enters the recovery stage by compressive stateTime, damping shock absorber also can play the effect of vibrational energy between rapid decay wheel shaft and motor; Therefore this high speedThe ride comfort of the raising motor driven electric car that in Electric Motor Wheel wheel, vibration absorber and electric wheel can be very large, comfortableProperty, improve wheel hub motor working environment.

2, vibration absorber and electric wheel in High-speed Electric driving wheel wheel of the present invention, in it, the support bar of vibration absorber bothPlay the piston rod of damping shock absorber, play a part again spring cushion spring conductor rod, also riseThe effect of power transmission between wheel and damper, thus damping shock absorber and spring cushion are become one,The structure of vibration absorber is compacter, and volume is less, is more conducive in the confined space, install cloth in wheelPut.

3, vibration absorber and electric wheel in High-speed Electric driving wheel wheel of the present invention, its pilot hole and receiver adopt non-Circular section coordinates, and can play the guiding role to the motion of support bar, prevents in the course of work that support bar is at vibration dampingIn device, rotate, and then avoid wheel hub motor to swing around the vertical center line of vibration absorber, can reduce fault.

4, vibration absorber and electric wheel in High-speed Electric driving wheel of the present invention wheel, it makes wheel hub motor and brakeThe quality damping absorber effect of can having held concurrently, has eliminated the adverse effect that unsprung mass increase brings.

5, in High-speed Electric driving wheel wheel of the present invention, vibration absorber and electric wheel also have simply compactness of overall structure,The advantages such as volume is little, lightweight.

Brief description of the drawings

Fig. 1 is the front view of vibration absorber in High-speed Electric driving wheel wheel of the present invention;

Fig. 2 is the front view of electric wheel;

Fig. 3 is the left view of Fig. 2.

Detailed description of the invention

Below in conjunction with drawings and Examples, the invention will be further described.

As shown in the figure, vibration absorber in the present embodiment High-speed Electric driving wheel wheel, comprises that damping shock absorber and spring subtractDevice shakes;

Described damping shock absorber comprise damper housing 1 and be through on damper housing and with damper housingThe support bar 2 being slidably matched, damper housing 1 is stretched out at the two ends of described support bar 2, described support bar 2On be provided with the dampened disk 3 of squeezed air-damping liquid;

Described spring cushion comprises receiver 4 and is arranged in the spring 5 of receiver, described receiver 4Be fixedly connected with one end of support bar 2, described spring 5 is enclosed within on support bar, and top, one end of spring 5On damper housing 1, the other end of spring 5 withstands on receiver 4.

In the present embodiment, described damper housing 1 comprises damping fluid cavity 101 and removable with damping fluid cavityThe damping fluid lid 102 that fraction connects, arranges between described damping fluid lid 102 and damping fluid cavity 101Have static sealing ring 6, the two ends of described support bar 2 are respectively through damping fluid cavity 101 and damping fluid lid102, and on support bar 2, be provided with coordinate with damping fluid cavity 101 and damping fluid lid 102 respectively movingSealing ring 7.

As the improvement to the present embodiment, on described damping fluid lid 102, be provided with receiver 4 freely singleThe pilot hole that degree is slidably matched, is provided with guide holder 8, described guide holder on the other end of described support bar 28 and damping fluid cavity 101 single-degree-of-freedoms be slidably matched. In the present embodiment, the cross section of described pilot hole isOblateness, certainly in concrete enforcement, the cross section of pilot hole also can be regular polygon etc. other is non-circular,Adopt pilot hole and receiver 4 to adopt on-circular cross-section to coordinate, can play the guiding role to the motion of support bar 2,Prevent that in the course of work, support bar 2 rotates in vibration absorber, and then avoid wheel hub motor around vibration absorberVertical center line swings, and can reduce fault.

The present embodiment has the electric wheel of vibration absorber in High-speed Electric driving wheel wheel, comprises that wheel shaft 9 and motor are fixedSon 10, described damper housing 1 is fixed on wheel shaft 9, and described support bar 2 vertically arranges and supportsBar 2 is vertical with wheel shaft 9, and described receiver 4 is fixedly connected with motor stator 10 respectively with guide holder 8.

The present embodiment electric wheel, also comprises brake, brake disc 11 and the rotor of described brake12 are fixedly connected with, and the caliper 13 of described brake is fixedly connected with motor stator.

Vibration absorber and electric wheel in High-speed Electric driving wheel wheel of the present invention, it passes through interior vibration absorber by wheel hub motorBe connected on wheel shaft 9, transmit active force and the reaction force between wheel shaft 9 and motor by interior vibration absorber.

In the time that electric wheel travels on uneven road surface, wheel hub motor is subject to the vibration that wheel transmits and beats,Beating of motor passes to receiver 4 and support bar 2, and buffer shock-absorbing effect is played in meanwhile spring 5 compressions,Dampened disk 3 is played and is consumed impact shock energy by squeezed air-damping liquid; And when motor is with respect to wheel shaft 9While beating, interior vibration absorber also can play identical buffer shock-absorbing effect; And that spring 5 is entered by compressive state is extensiveWhen the multiple stage, damping shock absorber also can play the effect of vibrational energy between rapid decay wheel shaft 9 and motor; CausePutting down of the raising motor driven electric car that in this this High-speed Electric driving wheel wheel, vibration absorber and electric wheel can be very largeCompliance, comfortableness, improve wheel hub motor working environment.

Meanwhile, due to the guide effect of receiver 4 and guide holder 8, can ensure wheel hub motor can only do perpendicular toThe vertical of wheel shaft 9 beated; And it is the damping absorber effect of can having held concurrently of the quality of wheel hub motor and brake,Eliminate unsprung mass (quality below automobile suspension system damper unit) and increased the adverse effect of bringing; WhenSo in the present embodiment High-speed Electric driving wheel wheel, vibration absorber and electric wheel also have simply compactness of overall structure, volumeThe advantage such as little, lightweight.

Finally explanation, above embodiment is only unrestricted in order to technical scheme of the present invention to be described, althoughWith reference to preferred embodiment, the present invention is had been described in detail, those of ordinary skill in the art should be appreciated thatCan modify or be equal to replacement technical scheme of the present invention, and not depart from technical solution of the present inventionAim and scope, it all should be encompassed in the middle of claim scope of the present invention.

Claims (4)

1. a vibration absorber in High-speed Electric driving wheel wheel, is characterized in that: comprise damping shock absorber and springShock absorber;
Described damping shock absorber comprises damper housing and is through on damper housing and with damper housing to be slidedThe moving support bar coordinating, damper housing is stretched out at the two ends of described support bar, on described support bar, is provided withThe dampened disk of squeezed air-damping liquid;
Described spring cushion comprises receiver and is arranged in the spring of receiver, described receiver and supportOne end of bar is fixedly connected with, and described spring housing is on support bar, and one end of spring withstands on damper housingUpper, the other end of spring withstands on receiver;
Described damper housing comprises damping fluid cavity and the damping fluid being connected with damping fluid cavity detachableLid, is provided with static sealing ring between described damping fluid lid and damping fluid cavity, described support bar two endsRespectively through damping fluid cavity and damping fluid lid, and on support bar, be provided with respectively with damping fluid cavity andThe dynamic seal ring that damping fluid lid coordinates;
On described damping fluid lid, be provided with the pilot hole being slidably matched with receiver single-degree-of-freedom, describedOn the other end of strut, be provided with guide holder, described guide holder and damping fluid cavity single-degree-of-freedom are slidably matched.
2. vibration absorber in High-speed Electric driving wheel according to claim 1 wheel, is characterized in that: described in leadBe oblate to the cross section in hole.
3. there is an electric wheel for the interior vibration absorber of arbitrary described High-speed Electric driving wheel wheel in claim 1-2,It is characterized in that: comprise wheel shaft and motor stator, described damper housing is fixed on wheel shaft, describedStrut vertically arrange and support bar vertical with wheel shaft, described receiver and guide holder respectively with motor statorBe fixedly connected with.
4. electric wheel according to claim 3, is characterized in that: also comprise brake, described systemThe brake disc of moving device is fixedly connected with rotor, and the caliper of described brake and motor stator are fixing to be connectedConnect.
CN201410177386.3A 2014-04-29 2014-04-29 Vibration absorber and electric wheel in High-speed Electric driving wheel wheel CN103921637B (en)

Priority Applications (1)

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CN201410177386.3A CN103921637B (en) 2014-04-29 2014-04-29 Vibration absorber and electric wheel in High-speed Electric driving wheel wheel

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201410177386.3A CN103921637B (en) 2014-04-29 2014-04-29 Vibration absorber and electric wheel in High-speed Electric driving wheel wheel

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CN103921637B true CN103921637B (en) 2016-05-11

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104228549B (en) * 2014-10-09 2016-08-17 上海交通大学 In-wheel motor driving Electric Motor Wheel with electromagnetic vibration control device
CN104385868B (en) * 2014-11-19 2016-03-09 冯胜 Automobile independent suspension system
CN104553782B (en) * 2015-01-29 2017-07-07 重庆大学 Linear motor type shock absorber in a kind of driving wheel
CN104723818B (en) * 2015-01-29 2017-02-01 重庆大学 Linear motor shock absorber used for automobile in-wheel active suspension
CN104842733B (en) * 2015-05-15 2017-04-05 中国科学院深圳先进技术研究院 A kind of electric automobile suspension system based on hub direct-drive motor
CN104827886A (en) * 2015-05-29 2015-08-12 三峡大学 Novel intelligent vibration reduction electric wheel
DE112016003440T5 (en) * 2015-07-30 2018-05-03 Honda Motor Co., Ltd. Vehicle
CN107444007B (en) * 2017-08-18 2018-06-26 华中科技大学 A kind of electric wheel and vehicle with built-in suspension
CN109720160A (en) * 2019-01-04 2019-05-07 青岛科技大学 A kind of novel hub driving electric car suspension system

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CN2451379Y (en) * 2000-11-28 2001-10-03 尚定海 Vehicle vibration damper piston
CN102700372A (en) * 2012-05-29 2012-10-03 重庆大学 High-stability electric wheel hub

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US7287611B2 (en) * 2002-08-29 2007-10-30 Kabushiki Kaisha Bridgestone In-wheel motor system
JP2005104166A (en) * 2003-09-26 2005-04-21 Toyota Motor Corp Wheel structure
US8579311B2 (en) * 2011-05-12 2013-11-12 GM Global Technology Operations LLC Wheel mass damper assembly

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CN2451379Y (en) * 2000-11-28 2001-10-03 尚定海 Vehicle vibration damper piston
CN102700372A (en) * 2012-05-29 2012-10-03 重庆大学 High-stability electric wheel hub

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