CN107448513A - The electromagnetic braking of wheel hub motor ring type and separate type damping integrated apparatus - Google Patents
The electromagnetic braking of wheel hub motor ring type and separate type damping integrated apparatus Download PDFInfo
- Publication number
- CN107448513A CN107448513A CN201710711999.4A CN201710711999A CN107448513A CN 107448513 A CN107448513 A CN 107448513A CN 201710711999 A CN201710711999 A CN 201710711999A CN 107448513 A CN107448513 A CN 107448513A
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- Prior art keywords
- damper
- wheel hub
- ring type
- brake
- bolt
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D55/00—Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes
- F16D55/02—Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes with axially-movable discs or pads pressed against axially-located rotating members
- F16D55/22—Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes with axially-movable discs or pads pressed against axially-located rotating members by clamping an axially-located rotating disc between movable braking members, e.g. movable brake discs or brake pads
- F16D55/224—Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes with axially-movable discs or pads pressed against axially-located rotating members by clamping an axially-located rotating disc between movable braking members, e.g. movable brake discs or brake pads with a common actuating member for the braking members
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G11/00—Resilient suspensions characterised by arrangement, location or kind of springs
- B60G11/32—Resilient suspensions characterised by arrangement, location or kind of springs having springs of different kinds
- B60G11/48—Resilient suspensions characterised by arrangement, location or kind of springs having springs of different kinds not including leaf springs
- B60G11/60—Resilient suspensions characterised by arrangement, location or kind of springs having springs of different kinds not including leaf springs having both rubber springs and torsion-bar springs
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G15/00—Resilient suspensions characterised by arrangement, location or type of combined spring and vibration damper, e.g. telescopic type
- B60G15/02—Resilient suspensions characterised by arrangement, location or type of combined spring and vibration damper, e.g. telescopic type having mechanical spring
- B60G15/06—Resilient suspensions characterised by arrangement, location or type of combined spring and vibration damper, e.g. telescopic type having mechanical spring and fluid damper
- B60G15/062—Resilient suspensions characterised by arrangement, location or type of combined spring and vibration damper, e.g. telescopic type having mechanical spring and fluid damper the spring being arranged around the damper
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K7/00—Disposition of motor in, or adjacent to, traction wheel
- B60K7/0007—Disposition of motor in, or adjacent to, traction wheel the motor being electric
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D65/00—Parts or details
- F16D65/02—Braking members; Mounting thereof
- F16D65/12—Discs; Drums for disc brakes
- F16D65/123—Discs; Drums for disc brakes comprising an annular disc secured to a hub member; Discs characterised by means for mounting
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D65/00—Parts or details
- F16D65/02—Braking members; Mounting thereof
- F16D65/12—Discs; Drums for disc brakes
- F16D65/128—Discs; Drums for disc brakes characterised by means for cooling
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D65/00—Parts or details
- F16D65/14—Actuating mechanisms for brakes; Means for initiating operation at a predetermined position
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D65/00—Parts or details
- F16D65/02—Braking members; Mounting thereof
- F16D2065/13—Parts or details of discs or drums
- F16D2065/1304—Structure
- F16D2065/1308—Structure one-part
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D2121/00—Type of actuator operation force
- F16D2121/18—Electric or magnetic
- F16D2121/20—Electric or magnetic using electromagnets
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Braking Arrangements (AREA)
Abstract
The present invention discloses the electromagnetic braking of wheel hub motor ring type and separate type damping integrated apparatus,It is made up of ring type electro-magnetic braking device and separate type damping device,Including outer rotor,Inner stator,Connection ring,Ring type brake disc,Friction plate,Electromagnet,Return spring,Support,Main damper,Secondary damper,Rubber washer,Main shaft,Suspension,Ring type brake disc is connected by connection ring with outer rotor,Braked using electromagnet as power,Required arrangement space is compact,Rationally utilize wheel hub space,Brake and secondary damper are connected by support with inner stator,The main shaft and inner stator of wheel hub motor are connected by main damper and secondary damper with vehicle body respectively,The vibrations that ground can be delivered to wheel hub are passed directly to vehicle body by the main shaft being attached thereto,Reduce the impact to wheel hub motor,The damper between motor and vehicle body plays a part of a buffering simultaneously,The present invention is applied to pure electric automobile hub drive system,Improve the performance of braking and damping.
Description
Technical field
The invention belongs to electric vehicle engineering field, more particularly to the electromagnetic braking of wheel hub motor ring type and separate type damping one
Body makeup is put.
Background technology
Wheel hub motor is a kind of inner stator, the motor of outer rotor form, and its power, transmission and brake apparatus are all incorporated into wheel
In hub, the mechanical part of electric automobile is largely simplified, there is good mobility, efficient transmission compared with orthodox car
Property, higher interior of body space utilization and good dynamic performance etc..
The brake disc of existing automobile disc brake apparatus is arranged on power transmission shaft more, and brake force is limited by brake disc radius, required
Arrangement space is wider, more using hydraulic braking, is not suitable for the wheel hub motor of electric automobile.Chinese patent (CN102673380A)
The built-in suspension integrated form In-wheel motor driving Electric Motor Wheel of one kind is disclosed, because the brakes inside wheel hub motor is in work
More heat can be produced when making, the permanent magnet of motor internal can be caused to demagnetize so as to influence the performance of motor in the past for a long time, and
The unstability of braking ability is higher, and it is more inconvenient to be safeguarded after friction disc wear.Wheel hub motor increases automobile nonspring carried mass
Add, the impact for being subject to wheel hub motor that is rigidly connected of motor stator and wheel hub is larger, influences the performance of motor.
At present based on the damping scheme wheel internal damping of wheel hub motor, but it is more, it is necessary to improve and optimize to take wheel hub space.
Chinese patent (CN102673380A), which only considered to reduce, is delivered to the vibration of motor from ground, do not consider motor being subject to this
Partial vibration energy guides and transfer, and absorbs.
Therefore, it is necessary to which a kind of vibration damping for considering wheel hub motor and the scheme of braking, improved structure, reduce the wheel of occupancy
Interior space, and have higher vibration damping and braking ability.
The content of the invention
In order to overcome above-mentioned technical problem, the present invention proposes the electromagnetic braking of wheel hub motor ring type and separate type damping one
Makeup is put, and improves braking and the damping problem of hub drive system.
In order to realize above-mentioned technical purpose, the present invention uses following scheme：
The electromagnetic braking of wheel hub motor ring type and separate type damping integrated apparatus, including ring type electro-magnetic braking device and separation
Formula damping device, the ring type electro-magnetic braking device include ring type brake disc and electromagnetic brake, and the ring type brake disc passes through
Bolt B, connection ring, bolt A and outer rotor link into an integrated entity, and the electromagnetic brake is fixed on pedestal upper end；The ring type system
Moving plate is hollow boss-shaped, and boss upper and lower ends are working face, and the heat dissipation channel of fan ring-type is provided with inside bossing, convex
The diameter of platform lower end is identical with the diameter of outer rotor, connection ring, and boss lower end is along the circumferential direction uniformly provided with bolt fixing hole；
The separate type damping device includes main shaft, main damper, support and secondary damper, and main shaft one end connection is outstanding
Frame, main damper lower end and torsion-bar spring is fixed with the suspension, the main damper upper end is connected with vehicle body；The main shaft
The other end stretches into default sub-through hole after being connected by seal shock-proof rubber sleeve, is then socketed the support of bearing, the support of bearing leads to
Cushion rubber washer and bolt is crossed to be connected with outer rotor；Described support one end is fixed on the outside of inner stator, and the other end is connected
Secondary damper lower end, the secondary damper upper end are connected with vehicle body, and on the outside of electromagnetic brake.
Preferably, the ratio between the external diameter of the ring type brake disc bossing and internal diameter are not more than 1.5.
In such scheme, main damper damper, the main damper damper outside are fixed with the main damper
Main damper damping spring is cased with, is fixed with secondary damper damper on the secondary damper, outside the secondary damper damper
Side is cased with secondary damper damping spring.
In such scheme, the electromagnetic brake uses floating clamp tray type structure, and the piston of the electromagnetic brake is two
Individual floating electromagnet, one end of the floating electromagnet are fixed on friction plate one side, and the other end is by sliding return spring
In arrester shell body；It is fixed on the floating electromagnet electromagnet one end that is relatively fixed on friction plate two side faces, it is another
End is fixed in brake on side body；The ring type brake disc is stretched between friction plate one and friction plate two, the fixed electricity
Magnet, floating electromagnet attract each other after being powered and moved respectively with movable friction plate one and friction plate two, so as to extrude ring type system
Moving plate reaches braking purpose；The electromagnetic brake also includes hexagon socket cap head screw, the hexagon socket cap head screw according to
It is secondary through the cylindrical bolt hole A of support side, return spring, the cylindrical bolt hole of brake caliper lower end, the circle of support side
Stud bolt hole B, brake caliper is fixed with support, and return spring is divided into two sections, respectively positioned at brake caliper lower end
Cylindrical bolt hole both sides；After the hexagon socket cap head screw passes through the cylindrical bolt hole B of support side, then penetrate on inner stator
The bolt hole of side, is secured the stand on inner stator；Side body in the brake, correspond to electromagnet on housing on the outside of brake
Axis centre position is respectively equipped with electromagnet wire fairlead, realizes and electromagnet is powered.
In such scheme, the friction plate one and friction plate two are that class fans ring-type, and both ends are semicircle；The friction plate
First, the width of friction plate two is identical with ring type brake disc working width.
In such scheme, the outer rotor is provided with bolt fixing hole close to the periphery of connection ring side, and the connection ring is set
Fluted, groove and projection are respectively above bolt A fixing holes and bolt B fixing hole, so as to realize outer rotor, connection ring and ring
Formula brake disc is linked into an integrated entity by bolt A and bolt B.
In such scheme, the support of bearing is directly sleeved on main shaft by two or more bearings of inside.
In such scheme, the seal shock-proof rubber sleeve circumference is provided with bolt fixing hole, around the default sub-through hole,
Bolt fixing hole is all provided with around main shaft, the fixation of main shaft and seal shock-proof rubber sleeve and inner stator is realized by bolt.
Preferably, the suspension is torsion beam type suspension.
The present invention passes through above technical scheme, it is possible to achieve following beneficial effect：
1) present invention uses ring type brake disc, because the external diameter for braking spiral type is identical with outer rotor, effectively increases
Braking moment radius, while ring type brake disc is connected by connection ring with outer rotor, required arrangement space is smaller, Neng Gougeng
Reasonably utilize wheel hub space.
2) heat dissipation channel inside ring type brake disc and the groove above connection ring are advantageous to logical in braking procedure
Wind radiates.
3) present invention uses electromagnetic brake, is adapted to the new energy electric motor vehicle using electric energy as power, while electromagnetic brake
It is fixed on secondary damper by support above inner stator, it is compact-sized reasonable, reduce empty on the inside of wheel hub space and wheel
Between occupancy, can having more spaces to be used for, new energy electric motor vehicle is other to be arranged.
4) connected between main shaft and vehicle body by suspension and main damper, can absorb and decay most of from ground biography
It is delivered to the vibration of wheel hub.
5) cushion rubber washer can weaken the vibration that wheel hub motor is delivered to from main shaft, while secondary damper can absorb
The impact being subject to decay wheel hub motor so that wheel hub motor is operated under a reliable and stable environment；Whole device is arranged
Rationally, structure is excellent, is suitable for the wheel hub drive arrangement of new energy electric motor vehicle.
Brief description of the drawings
Fig. 1 is wheel hub motor ring type electromagnetic braking of the present invention and separate type damping integrated apparatus installation diagram；
Fig. 2 is wheel hub motor ring type electromagnetic braking of the present invention and separate type damping integrated apparatus structure diagram；
Fig. 3 is wheel hub motor ring type electromagnetic braking of the present invention and separate type damping integrated apparatus explosive view；
Fig. 4 is connection ring normal axomometric drawing in the present invention；
Fig. 5 is ring type brake disc structure schematic diagram in the present invention, and Fig. 5 (a) is ring type brake disc front view, and Fig. 5 (b) is ring
Formula brake disc left view, Fig. 5 (c) are ring type brake disc normal axomometric drawing；
Fig. 6 is electromagnetic brake explosive view in the present invention；
Fig. 7 is electromagnetic brake installation diagram in the present invention.
Description of reference numerals is as follows：
1- outer rotors；2- connection rings；2-1- bolt B fixing holes；2-2- bolt A fixing holes；3- bolts A；4- ring types are braked
Disk；5- bolt Bs；6- inner stators；7- electromagnetic brakes；8- supports；9- pair damper dampers；10- pair damper damping springs；
11- pair dampers；12- cushion rubber washers；The 13- supports of bearing；The main damper dampers of 14-；The main damper damping bullets of 15-
Spring；The main dampers of 16-；17- seal shock-proof rubber sleeves；18- main shafts；19- suspensions；20- torsion-bar spring；21- fixed electromagnets；
22-1- friction plates one；22-2 friction plates two；23- floating electromagnet；24- sliding block return springs；25- brake calipers；25-1-
Side body in brake；Housing on the outside of 25-2- brakes；26- return springs；27- hexagon socket cap head screws；28- wheels.
Embodiment
The present apparatus is described further below in conjunction with accompanying drawing, but protection scope of the present invention is not limited to this.
As shown in Figure 1, Figure 2, Figure 3 shows, wheel hub motor ring type electromagnetic braking of the invention and separate type damping integrated apparatus,
It is made up of ring type electro-magnetic braking device and separate type damping device.
Ring type electro-magnetic braking device includes ring type brake disc 4 and electromagnetic brake 7, and outer rotor 1 is close to the side of connection ring 2
Periphery is provided with bolt fixing hole, as shown in figure 4, connection ring 2 is uniformly provided with groove, groove and raised respectively bolt A above consolidate
Hole 2-2 and the bolt fixing hole 2-1 of ring type brake disc 3 are determined, so as to realize that outer rotor 1, connection ring 2 and ring type brake disc 4 are distinguished
Linked into an integrated entity by bolt A 3 and bolt B 5；Electromagnetic brake 7 is fixed on the upper end of support 8, and the one end of support 8 is fixed on default
The outside of son 6, the other end are connected the secondary lower end of damper 11, and the secondary upper end of damper 11 is connected with vehicle body, and is located at electromagnetism
The outside of brake 7；Secondary damper damper 9 is fixed with secondary damper 11, the secondary outside of damper damper 9 is cased with secondary damper
Damping spring 10.
Separate type damping device includes main shaft 18, main damper 16, support 8 and secondary damper 11, the connection of the one end of main shaft 18
Suspension 19, the main lower end of damper 16 and torsion-bar spring 20 are fixed with suspension 19, the main upper end of damper 16 is connected with vehicle body, and master subtracts
Main damper damper 14 is fixed with shake device 16, the main outside of damper damper 14 is cased with main damper damping spring 15, main
The other end of axle 18 stretches into the central through hole of inner stator 6 after being connected by seal shock-proof rubber sleeve 17, is then socketed the support of bearing 13, axle
Support 13 is held to be connected with outer rotor 1 by cushion rubber washer 12 and bolt；The support of bearing 13 is straight by two bearings of inside
Female connector is on the spindle 18；The circumference of seal shock-proof rubber sleeve 17 is provided with bolt fixing hole, around the central through hole of inner stator 6, main shaft
Bolt fixing hole is all provided with around 18, the fixation of main shaft 18 and seal shock-proof rubber sleeve 17 and inner stator 6 is realized by bolt.
As shown in Fig. 5 (a), (b), (c), ring type brake disc 4 is hollow boss-shaped, and boss upper and lower ends are work
Face, the ratio between the heat dissipation channel, the external diameter and internal diameter of bossing of fan ring-type is provided with inside bossing no more than 1.5；Under boss
The diameter at end is identical with the diameter of outer rotor 1, connection ring 2, and boss lower end is along the circumferential direction uniformly provided with bolt fixing hole.
As shown in Figure 6, Figure 7, electromagnetic brake 7 uses floating clamp tray type structure, and the piston of electromagnetic brake 7 floats for two
Motor magnet 23, one end of floating electromagnet 23 are fixed on the 22-2 sides of friction plate one, and the other end is by sliding return spring
24 are arranged on the outside of brake in housing 25-2；Friction plate is fixed on the one end of electromagnet 21 that is relatively fixed of floating electromagnet 23
On two 22-1 sides, the other end is fixed in brake on side body 25-1；Ring type brake disc 4 stretches into the 22-1 of friction plate one and rubbed
Between the 22-2 of pad two, fixed electromagnet 21, floating electromagnet 23 are attracted each other respectively after being powered with the 22-1 of movable friction plate one
Moved with the 22-2 of friction plate two, reach braking purpose so as to extrude ring type brake disc 4；Electromagnetic brake 7, which also includes interior hexagonal, to be justified
Chapiter screw 27, hexagon socket cap head screw 27 sequentially pass through cylindrical bolt hole A, return spring 26, the brake of the side of support 8
The cylindrical bolt hole of the lower end of caliper 25, the cylindrical bolt hole B of the side of support 8, the side of brake caliper 25 and the side of support 8 are consolidated
Fixed, the fixed form of opposite side is identical, and return spring 26 is divided into two sections, respectively positioned at the cylinder spiral shell of the lower end of brake caliper 25
Keyhole both sides；After hexagon socket cap head screw 27 passes through the cylindrical bolt hole B of the inner side of support 8, then penetrate the spiral shell of the top of inner stator 6
Keyhole, support 8 is fixed on inner stator 6；Side body 25-1 in brake, correspond to electromagnet on housing 25-2 on the outside of brake
Axis centre position is respectively equipped with electromagnet wire fairlead, realizes and electromagnet is powered.
Main damper 16 uses MR vibration damper, it is possible to achieve the real-time dynamic of suspension damping power in vehicle travel process
Regulation, ensure that the ride performance of vehicle, add comfortableness；Secondary damper 19 uses common damping shock absorber, energy
Absorb and transmit the impact that motor is subject to.
The 22-1 of the friction plate one and 22-2 of friction plate two is that class fans ring-type, and both ends are semicircle；The 22-1 of friction plate one, friction
The 22-2 of piece two width is identical with the working width of ring type brake disc 4；In specific implementation, friction plate is replaceable structure, and real
Electromagnetic brake is provided with the structure in adjustment friction plate gap in the operation of border.
In specific implementation, the shape of support 8 is not limited to the design, as long as Motionless electromagnetic brake 7 and pair can be realized
The function of damper 11, can also manufacture integrated with electric motor internal stator 6；Cooling can be added inside electric motor internal stator 6
System, for cooling for wheel hub motor；
In specific implementation, the suspension 19 can not use torsion girder-like structure, can use multi link formula structure, but still
So it is provided with the secondary dampening arrangement being connected with inner stator；Automobile when being travelled on rugged road surface, unilateral wheel by compared with
Big impact, horizontal horizontal torsion-bar spring 20 has been directly connected to the wheel of left and right two on torsion beam type suspension 19, passes through torsion
The impact energy brought by ground can be delivered to opposite side by deformation from side so that corresponding jump occurs for the wheel of opposite side
It is dynamic, so as to reduce the amplitude of body roll, it ensure that the stabilization of vehicle body in the process of moving；Torsion-bar spring 20 plays simultaneously
Acted on the QS identical above common vehicle, reduce horizontal inclination and the transverse direction of vehicle body to a certain extent
Angular oscillation, roll stiffness is improved, ensure that roll stability.
In the present invention, ring type electro-magnetic braking device is directly installed on wheel hub motor, is occupied little space, and is easily disposed at
In wheel hub, while ring type electro-magnetic braking device is located at outside motor, and heat dissipation channel and connection ring inside ring type brake disc 6
Groove above 2, it ensure that the radiating of braking procedure.
In the present invention, main shaft 18 is directly connected with wheel hub by bearing, can be directly logical in face of the impact of wheel hub by ground
Cross main shaft 18 to be delivered on suspension 19, then vehicle body is delivered to by main damper 16, have damping between main shaft 18 and wheel hub motor
Rubber washer 12 and seal shock-proof rubber sleeve 17, while wheel hub motor is connected with vehicle body by secondary damper 11, is transmitted and is absorbed
Ground faces the impact of wheel hub motor, wheel hub motor is operated in a reliable and stable environment, it is longer to ensure that motor possesses
Life-span.
The ring type electro-magnetic braking device course of work is as follows：When wheel hub motor is braked, fixed electromagnet 23 and floating electromagnet
21 are powered, and floating electromagnet 23 overcomes the pulling force of sliding block return spring 24, and fixed electromagnet 21 and brake caliper 25 overcome back
The pulling force of position spring 26, fixed electromagnet 21 and floating electromagnet 23 attract each other, and promote the 22-1 of friction plate one and friction plate two
22-2 is quickly drawn close so as to reach the purpose of braking to ring type brake disc 4；After stopping braking, floating electromagnet 23 returns in sliding block
Position spring 24 act under return on the outside of brake in housing 25-2, while brake caliper 25 return spring 26 effect under with
Fixed electromagnet 21 returns to original position；Two return processes occur simultaneously, quick and precisely, use electromagnetic braking to be more suitable for
Electric automobile of the electric energy as major impetus.
The separate type damping device course of work is as follows：When vehicle moves ahead on the road surface of out-of-flatness, wheel 28 is by ground
, it is necessary to during vibration damping, the impulsive force that main shaft 18 and wheel hub motor are subject to is passed through main damper by separate type damping device respectively for impact
16 and secondary damper 11 consumption absorb, be delivered to vehicle body.Most of impulsive force is delivered to torsion beam type suspension 19 by main shaft 18
On, impulsive force that suspension 19 is subject to is delivered to vehicle body after decaying by main damper 16, the vibration that this part of impact force carries
An energy part is absorbed and consumed by main damper 16, and some is absorbed and consumed by vehicle body.Remainder impulsive force is
The impulsive force that wheel hub motor is subject to, including the impulsive force that outer rotor 1 and inner stator 6 are subject to, the impulsive force that outer rotor 1 is subject to is by axle
Hold support 13 and cushion rubber washer 12 is transmitted and absorbed by cushion rubber washer 12；The impulsive force that inner stator 6 is subject to is by sealing
Shock-absorption rubber sleeve 17 is transmitted, and then impulsive force is delivered to above secondary damper 11 by inner stator 6 by support 8, by secondary damper
Vehicle body is delivered to after 11 decay, the vibrational energy that this part of impact force that inner stator 6 transmits carries is most of by secondary damper
11 absorb and consume, and remainder is absorbed and consumed by vehicle body.
When vehicle needs vibration damping and braking simultaneously, ring type electro-magnetic braking device and separate type vibration absorber work simultaneously.
When vehicle needs braking in the process of moving, the signal that wheel hub motor passes over according to vehicle control device is carried out
Braking, wheel hub motor can be braked under three kinds of braking modes, be electrodynamic pattern, mechanical braking pattern, mixing system respectively
Dynamic model formula.When wheel is in electrodynamic pattern, the output of the brakeless torque of electromagnetic brake 7, motor reverse operation, output is conversely
Moment of torsion, make hub reduction and stop operating.When wheel is in mechanical braking pattern, wheel hub motor exports without driving torque, Gu
Determine electromagnet 21 and floating electromagnet 23 is powered, attract each other and draw close, respectively the band 22-1 of the movable friction plate one and 22-2 of friction plate two
Extrude ring type brake disc 4；Ring type brake disc 4 is fixed on above motor outer rotor 1 by connection ring 2, is turned so as to leave the motor off
It is dynamic, wheel hub is stopped operating.Composite braking pattern refers to simultaneously brake wheel hub using both above braking mode.
The embodiment is the preferred embodiment of the present invention, but the present invention is not limited to above-mentioned embodiment, is not being carried on the back
From the present invention substantive content in the case of, those skilled in the art can make it is any it is conspicuously improved, replace or
Deformation belongs to protection scope of the present invention.
Claims (10)
1. the electromagnetic braking of wheel hub motor ring type and separate type damping integrated apparatus, it is characterised in that including ring type electromagnetic braking
Device and separate type damping device,
The ring type electro-magnetic braking device includes ring type brake disc (4) and electromagnetic brake (7), and the ring type brake disc (4) is logical
Cross bolt B (5), connection ring (2), bolt A (3) and outer rotor (1) to link into an integrated entity, the electromagnetic brake (7) is fixed on branch
Frame (8) upper end；The ring type brake disc (4) is hollow boss-shaped, and boss upper and lower ends are working face, inside bossing
The heat dissipation channel of fan ring-type is provided with, the diameter of boss lower end is identical with the diameter of outer rotor (1), connection ring (2), and boss lower end
Along the circumferential direction it is uniformly provided with bolt fixing hole；
The separate type damping device includes main shaft (18), main damper (16), support (8) and secondary damper (11), the master
Axle (18) one end connects suspension (19), and main damper (16) lower end and torsion-bar spring (20), institute are fixed with the suspension (19)
Main damper (16) upper end is stated with vehicle body to be connected；Main shaft (18) other end is stretched after being connected by seal shock-proof rubber sleeve (17)
Enter inner stator (6) through hole, be then socketed the support of bearing (13), the support of bearing (13) passes through cushion rubber washer (12) and spiral shell
Bolt is connected with outer rotor (1)；Described support (8) one end is fixed on the outside of inner stator (6), and the other end is connected secondary damper
(11) lower end, secondary damper (11) upper end are connected with vehicle body, and on the outside of electromagnetic brake (7).
2. wheel hub motor ring type electromagnetic braking as claimed in claim 1 and separate type damping integrated apparatus, it is characterised in that
The ratio between external diameter and internal diameter of ring type brake disc (4) bossing are not more than 1.5.
3. wheel hub motor ring type electromagnetic braking as claimed in claim 1 and separate type damping integrated apparatus, it is characterised in that
Main damper damper (15) is fixed with the main damper (16), being cased with master on the outside of the main damper damper (15) subtracts
Device damping spring (14) is shaken, secondary damper damper (10), the secondary damper damping are fixed with the secondary damper (11)
Secondary damper damping spring (9) is cased with the outside of device (10).
4. wheel hub motor ring type electromagnetic braking as claimed in claim 1 and separate type damping integrated apparatus, it is characterised in that
The electromagnetic brake (7) uses floating clamp tray type structure, and the piston of the electromagnetic brake (7) is two floating electromagnet
(23), one end of the floating electromagnet (23) is fixed on friction plate two (22-2) side, and the other end is by sliding return bullet
Spring (24) is arranged on the outside of brake in housing (25-2)；It is solid with floating electromagnet (23) electromagnet (21) one end that is relatively fixed
It is scheduled on friction plate one (22-1) side, the other end is fixed on side body in brake (25-1)；The ring type brake disc (4)
Stretch between friction plate one (22-1) and friction plate two (22-2), the fixed electromagnet (21), floating electromagnet (23) are powered
Attract each other band movable friction plate one (22-1) respectively and friction plate two (22-2) movement later, so as to extrude ring type brake disc (4)
Reach braking purpose；The electromagnetic brake (7) also includes hexagon socket cap head screw (27), the hexagon socket cap head screw
(27) the cylindrical bolt hole A, return spring (26), the cylinder spiral shell of brake caliper (25) lower end of support (8) side are sequentially passed through
Keyhole, the cylindrical bolt hole B of support (8) side, brake caliper (25) and support (8) is fixed, and return spring (26) point
Into two sections, respectively positioned at the cylindrical bolt hole both sides of brake caliper (25) lower end；The hexagon socket cap head screw (27) is worn
After crossing the cylindrical bolt hole B of support (8) side, then the bolt hole penetrated above inner stator (6), support (8) is fixed on default
On sub (6)；Side body (25-1) in the brake, correspond to electromagnet axis center on housing (25-2) on the outside of brake
Electromagnet wire fairlead is respectively equipped with, realizes and electromagnet is powered.
5. wheel hub motor ring type electromagnetic braking as claimed in claim 4 and separate type damping integrated apparatus, it is characterised in that
The friction plate one (22-1) and friction plate two (22-2) are that class fans ring-type, and both ends are semicircle.
6. wheel hub motor ring type electromagnetic braking as claimed in claim 4 and separate type damping integrated apparatus, it is characterised in that
The friction plate one (22-1), the width of friction plate two (22-2) are identical with ring type brake disc (4) working width.
7. wheel hub motor ring type electromagnetic braking as claimed in claim 1 and separate type damping integrated apparatus, it is characterised in that
The outer rotor (1) is provided with bolt fixing hole close to the periphery of connection ring (2) side, and the connection ring (2) is provided with groove, groove
With above projection be respectively bolt A fixing holes (2-2) and bolt B fixing hole (2-1), so as to realize outer rotor (1), connection ring
(2) linked into an integrated entity with ring type brake disc (4) by bolt A (3) and bolt B (5).
8. wheel hub motor ring type electromagnetic braking as claimed in claim 1 and separate type damping integrated apparatus, it is characterised in that
The support of bearing (13) is directly sleeved on main shaft (18) by two or more bearings of inside.
9. wheel hub motor ring type electromagnetic braking as claimed in claim 1 and separate type damping integrated apparatus, it is characterised in that
Seal shock-proof rubber sleeve (17) circumference is provided with bolt fixing hole, around inner stator (6) central through hole, main shaft (18)
Around be all provided with bolt fixing hole, consolidating for main shaft (18) and seal shock-proof rubber sleeve (17) and inner stator (6) is realized by bolt
It is fixed.
10. wheel hub motor ring type electromagnetic braking as claimed in claim 1 and separate type damping integrated apparatus, its feature exist
In the suspension (19) is torsion beam type suspension.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201710711999.4A CN107448513B (en) | 2017-08-18 | 2017-08-18 | The electromagnetic braking of wheel hub motor ring type and separate type damping integrated apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710711999.4A CN107448513B (en) | 2017-08-18 | 2017-08-18 | The electromagnetic braking of wheel hub motor ring type and separate type damping integrated apparatus |
Publications (2)
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| CN107448513A true CN107448513A (en) | 2017-12-08 |
| CN107448513B CN107448513B (en) | 2018-11-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710711999.4A Active CN107448513B (en) | 2017-08-18 | 2017-08-18 | The electromagnetic braking of wheel hub motor ring type and separate type damping integrated apparatus |
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| CN (1) | CN107448513B (en) |
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| CN107448513B (en) | 2018-11-09 |
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