CN207134975U - A kind of automobile-used cartridge type permanent-magnet eddy current retarder - Google Patents
A kind of automobile-used cartridge type permanent-magnet eddy current retarder Download PDFInfo
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- CN207134975U CN207134975U CN201720996458.6U CN201720996458U CN207134975U CN 207134975 U CN207134975 U CN 207134975U CN 201720996458 U CN201720996458 U CN 201720996458U CN 207134975 U CN207134975 U CN 207134975U
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- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 9
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Abstract
The utility model discloses a kind of automobile-used cartridge type permanent-magnet eddy current retarder, including：Stator, it includes annulus cylinder, and the annulus cylinder is axially provided with feather key；And circular magnetic steel, its inner ring axially set the keyway coordinated with the feather key, the circular magnetic steel can move along the stator shaft orientation；Rotor, it is cylindrical shape and is connected with output shaft of gear-box；Transmission mechanism, it is fixed on gearbox and drives the magnet steel mobile so that the magnet steel can enter and away from the columnar inner space of the rotor.Automobile-used cartridge type permanent-magnet eddy current retarder provided by the utility model, magnet steel need to only move in the axial trajectory of stator, and use a cylinder, the problem of avoiding using time lag caused by two or more cylinder to produce unbalance stress, driving force is small, and drive efficiency is high.
Description
Technical field
Automobile retarder technical field is the utility model is related to, more particularly, the utility model is related to a kind of automobile-used cylinder
Formula permanent-magnet eddy current retarder.
Background technology
With the improvement of road quality, the lifting of auto manufacturing technology, to alleviate the pressure that freight volume is big, cost of transportation is high
Power, Automobile Transportation is towards loading capacity is big, fireballing trend development, and overload and hypervelocity phenomenon happen occasionally, by overloading and exceeding the speed limit
Caused traffic accident ratio is in rising trend.The service braking device of automobile belongs to friction type brake at present, passes through brake-shoe
Or caliper produces brake force with the friction between braking wheel hub or brake disc, the kinetic energy or potential energy that automobile reduces are heat
Amount, is dispersed among air eventually through heat transfer and convection current.Typically car is controlled during running car using service braking device
Speed, when automobile high-speed, heavy duty in the case of travel when, for ensure traffic safety, it is necessary to for a long time, continually use service brake
Device.Automobile produces substantial amounts of heat in braking procedure, and heat can not distribute in a short time, particularly drum type friction
Brake apparatus, heat dispersion are poor.If for a long time, frequently braking, causes brake apparatus heat fading, causes speed out of control,
Bring potential safety hazard, or even brake failure and blow out, cause serious consequence.
Chinese patent application 201110437138.4 provides a kind of permanent-magnet eddy current retarder of radial arrays, by stator cloth
Put at the both ends of single rotor, make two stator movement strokes larger, also just increase overall volume；Employ and watch simultaneously
The type of drive of motor and leading screw is taken to drive two stator movements, drive efficiency is low and caloric value is big.
Chinese patent application 201710157665.7 provides a kind of automobile-used desk permanent-magnet eddy current retarder, using two gas
Cylinder is oppositely arranged, and realizes the relative movement of the first stator and the second stator, when two cylinder operation time of occurrence hysteresis,
Two cylinders being oppositely arranged can also produce hysteresis to the active force of the first stator and the second stator, cause the first stator and second
Stator forces are uneven, it is impossible to keep the first stator and the second stator to move in parallel, drive efficiency is low and radiating effect is poor.
Utility model content
The purpose of this utility model is to have designed and developed a kind of automobile-used cartridge type permanent-magnet eddy current retarder, and magnet steel only need to be in stator
Axial trajectory on move, and use a cylinder, avoid use caused by two or more cylinder time lag produce stress
The problem of uneven, driving force is small, and drive efficiency is high.
It is of the present utility model another object is that develop a kind of automobile-used cartridge type permanent-magnet eddy current retarder, efficient can dissipate
Heat.
Technical scheme provided by the utility model is：
A kind of automobile-used cartridge type permanent-magnet eddy current retarder, including：
Stator, it includes annulus cylinder, and the annulus cylinder is axially provided with feather key；And
Circular magnetic steel, its inner ring axially set the keyway coordinated with the feather key, the circular magnetic steel energy
It is enough to be moved along the stator shaft orientation；
Rotor, it is cylindrical shape and is connected with output shaft of gear-box；
Transmission mechanism, its be fixed on gearbox and drive the magnet steel mobile so that the magnet steel can enter and
Away from the columnar inner space of the rotor.
Preferably, the stator also includes：
Annulus support plate, it sets the annulus cylinder to be radially extended close to one end of speed changer and along the annulus cylinder
Formed；
Magnetic sheet is kept away, it is drum type brake shape, is coaxially set in the annulus cylinder and is fixed with the annulus support plate；It is described
Keep away magnetic sheet axial length and be less than the guiding key length, for covering magnetic field for the magnet steel away from rotor.
Preferably, in addition to：
Damper backing plate, it is arranged on the annulus support plate periphery and is connected with automobile absorber, is described slow
Device provides radial direction aiding support.
Preferably, the magnet steel includes：
Spline housing, it is sleeve shaped, and inside opens up keyway, for coordinating with the feather key gap；Outside circumferentially formula
Mounting groove uniformly is opened up, for fixing magnet；
Magnet, it is rectangular shape, and relative axis is fixed in the mounting groove in pairs, for providing magnetic field；
Annular end cap, fix the magnet for axial both ends and be connected with the transmission mechanism.
Preferably, the transmission mechanism includes：
Cylinder, it is fixed on the gearbox, and is fixedly connected by air cylinder support with the annulus support plate, is kept away
Transmission mechanism rocks when free drive is dynamic；
Transmission arm, its one end and the piston rod of the cylinder are hinged；
Drive link, its one end are fixedly connected with the other end of transmission arm, the other end through the annulus support plate with it is described
Magnet steel connects.
Preferably, the rotor also includes fin, and circumferentially formula is arranged on the cylinder outer surface of the rotor for it.
Correspondingly, the utility model also provides a kind of automobile-used cartridge type permanent-magnet eddy current retarder, including：
Rotor, it is cylinder mode, and it is connected with output shaft of gear-box；
Fin, circumferentially formula is arranged on the cylinder outer surface of the rotor for it.
Preferably, in addition to：
Stator, it includes annulus cylinder and is fixed on the gearbox；
Magnet steel, it is set in the annulus cylinder and can moved along the stator shaft orientation；
Rotor, it is cylindrical shape and is connected with output shaft of gear-box；
Transmission mechanism, its be fixed on gearbox and drive the magnet steel mobile so that the magnet steel can enter and
Away from the columnar inner space of the rotor.
Preferably, the fin includes：
Heat sink, it is platy structure and is fixed on the cylinder outer surface of the rotor；And
More heat sink strips, its parallel to each other and gap are vertically arranged on the heat sink.
Preferably, the fin is aluminum thermal fin.
The utility model at least possesses following beneficial effect：
(1) automobile-used cartridge type permanent-magnet eddy current retarder described in the utility model, the side of stator are provided with annulus support plate,
Opposite side is coaxially arranged with annulus cylinder, is axially evenly arranged with feather key around the annulus cylinder, magnetic steel gap is set in stator
Feather key on, can be moved along the stator shaft orientation, it is circumferential not rotate, and use a cylinder, avoid using two with
Time lag caused by upper cylinder produces the problem of unbalance stress, and driving force is small, and can accurately control the movement of magnet steel, Jin Erzhun
Really control braking torque；Drive efficiency is improved, and overall volume is small, and heating is low；
(2) automobile-used cartridge type permanent-magnet eddy current retarder described in the utility model, circumferentially formula is set the cylinder outer surface of rotor
Fin is equipped with, the fin is aluminum thermal fin, and radiating is very fast, light weight, can reduce the weight of retarder, moreover it is possible to high
Efficiency radiates.
(3) permanent-magnet eddy current retarder overcomes the big shortcoming of current vortex retarder power consumption, by high performance Nd-Fe-B permanent magnetic
Body provides magnetic field, it is not necessary to powers, saves power supply；
(4) stepless speed regulation is realized, stepless time adjustment, the electrodeless tune of braking moment are changed to by the level Four speed governing of current vortex retarder
Section, driver's more convenient operation；
(5) permanent magnet has the characteristics of small volume, light weight relative to magnet coil, and permanent magnet replaces magnet coil big
The reduction volume and weight of amplitude.
Brief description of the drawings
Fig. 1 is the structural representation of automobile-used cartridge type permanent-magnet eddy current retarder described in the utility model.
Fig. 2 is the configuration schematic diagram of automobile-used cartridge type permanent-magnet eddy current retarder described in the utility model.
Fig. 3 is the structural representation of stator described in the utility model.
Fig. 4 is the main structure diagram of rotor described in the utility model and fin.
Fig. 5 is the dimensional structure diagram of rotor described in the utility model and fin.
Fig. 6 is the dimensional structure diagram of rotor described in the utility model.
Fig. 7 is heat sink structure illustration described in the utility model.
Fig. 8 is magnetic steel structure schematic diagram described in the utility model.
Fig. 9 is the structural representation of spline housing described in the utility model.
Figure 10 is the structural representation of magnet described in the utility model.
Figure 11 is the structural representation of annular end cap described in the utility model.
Figure 12 is the structural representation of transmission mechanism described in the utility model.
Figure 13 is the structural representation of transmission arm described in the utility model and drive link.
Figure 14 is the operation principle schematic diagram of automobile-used cartridge type permanent-magnet eddy current retarder described in the utility model.
Figure 15 is the formation schematic diagram of automobile-used cartridge type permanent-magnet eddy current retarder brake force described in the utility model.
Embodiment
The utility model is described in further detail below in conjunction with the accompanying drawings, to make those skilled in the art with reference to explanation
Book word can be implemented according to this.
The utility model can have many different forms to implement, and should not be construed as limited to the implementation illustrated again
Example, conversely, there is provided these embodiments so that the disclosure will be thorough and complete.In the accompanying drawings, for clarity, can overstate
Big structure and the size and relative size in region.
As shown in figures 1-13, the utility model provides a kind of automobile-used cartridge type permanent-magnet eddy current retarder, including：Stator 200, its
Including annulus cylinder 220, the annulus cylinder 220 is axially provided with feather key 221；Circular magnetic steel 300, its inner ring is along axle
To the keyway set with the feather key 221 cooperation, the circular magnetic steel 300 can move axially along the stator 200；Turn
Son 100, it is cylindrical shape and is connected with output shaft of gear-box that it produces moment of torsion in rotary course with magnet steel 300, and its is adjoint
The output shaft of gear-box synchronous rotary, bears moment of torsion caused by magnetic field, and passes it on the truck drive shaft, so as to
Braking action is played, the rotor 100 is connected by flange with the output shaft of gear-box；Transmission mechanism 400, it is fixed on change
On fast case and the magnet steel 300 is driven to move so that the magnet steel 300 can enter and away from the cylindrical shape of rotor 100
Inner space.
In the present embodiment, the stator 200 is fixed in mounting disc 240 by flange, and the mounting disc 240 is arranged on institute
State on gearbox, the stator 200 also includes：Annulus support plate 210, it sets the annulus cylinder 220 close to the one of speed changer
Hold and radially extend to be formed along the annulus cylinder 220；Magnetic sheet 230 is kept away, it is cylinder mode, is set in the feather key
221 peripheries, are connected with the annulus support plate 210, and its width is less than the length of the feather key 221, and it is used to turn to be remote
The magnet steel 300 of son 100 covers magnetic field；Damper backing plate 250, it is cuboid plank frame, and it is arranged on the annulus supporting
The periphery of plate 210, is connected with automobile absorber, radial direction aiding support is provided for the retarder.The external diameter of the annulus cylinder 220 is small
In the external diameter of the annulus support plate 210, the external diameter of the magnet steel 300 is less than the internal diameter for keeping away magnetic sheet 230 so that magnet steel
300 can be into keeping away in magnetic sheet 230, for its screening when being axially moved on feather key 221 away from rotor 100 along the stator 200
Cover magnetic field.
In the present embodiment, the magnet steel 300 includes：Flower part set 320, it is sleeve shaped, and inside opens up keyway 321, is used for
Coordinate with the gap of feather key 221；Outside circumferentially formula uniformly opens up mounting groove 322, for fixing magnet 310；Magnet
310, it is rectangular shape, and relative axis is fixed in the mounting groove 322 in pairs, for providing magnetic field；Annular end cap
330, the magnet 310 is fixed for axial both ends, its one end is connected with the transmission mechanism 400.The magnet 310 is neodymium iron
Boron permanent magnet, provide magnetic field by high performance Nd-Fe-B permanent magnet, it is not necessary to power, save power supply, overcome current vortex and delay
The shortcomings that fast device power consumption is big.
In the present embodiment, one end of the transmission mechanism 400 passes through air cylinder support 420, annulus support plate 210, mounting disc
240 together with gearbox fixation, and the other end is connected with the magnet steel 300；The transmission mechanism 400 includes：Cylinder 410, one
End is fixed on the gearbox, and the other end is fixedly connected by air cylinder support 420 with the annulus support plate 210, is used
In providing power for the movement of magnet steel 300, there is square mounting flange at the both ends of air cylinder support 420, and centre is the groove of steel plate butt welding
Shape pillar, flange both ends connect annulus support plate 210 and cylinder 410 respectively；Transmission arm 430, it is both ends with mounting hole
Rectangular parallelepiped structure, its one end are connected by bearing pin with the piston rod 411 of cylinder 410, and the other end is fixedly connected with drive link 440；
Drive link 440, it is bar type structure, and its other end passes through the annulus support plate 210 and the annular end cap 330 of magnet steel 300
One end is connected, and it can be moved axially through the annulus support plate 210.One end of the transmission arm 430 and the cylinder 410
Piston rod 411 it is be hinged, the other end of the drive link 440 is connected with the threaded one end of the annular end cap 330.
In the present embodiment, the rotor 100 also includes fin 110, and it is cuboid fin structure, and circumferentially formula is set
Around the rotor 100, play a part of radiating；The fin 110 includes heat sink 111, and it is platy structure；And
More heat sink strips 112, its parallel to each other and gap are vertically arranged on the heat sink 111, more rapidly can be conducted heat and be radiated；
The fin 110 is aluminum thermal fin, and aluminum thermal fin cost of manufacture is relatively low, cost-effective, and technique is more ripe, has high yield
Energy；The heat conduction of aluminum thermal fin, perfect heat-dissipating；Resistance to oxidation, the corrosion resistance and good of aluminum thermal fin, run into air
Oxygen, can generate one layer of corrosion resistant oxide-film, do not influence radiating not only and also improve fin adaptive capacity to environment；Aluminum dissipates
Fin density is smaller, same volume lighter weight, reduces the rotary inertia of rotor 100, also reduces the total weight of rotor 100
Amount.
As shown in Figure 14,15, the operation principle of automobile-used cartridge type permanent-magnet eddy current retarder is：
When automobile needs auxiliary braking, electric-control system sends instruction, and the piston rod 411 of control cylinder 410 stretches out, driven
Transmission arm 430 so as to drive drive link 440 drive the magnet steel 300 along the stator 200 on feather key 221 close to rotor
100 are axially moved, and stretch into the inner space of rotor 100 of cylinder mode, and rotor 100 and the magnet steel 300 of rotation produce moment of torsion,
The cutting magnetic line in rotary course of rotor 100, current vortex is formed in the induced inside of rotor 100, motion is known by Lenz's law
Magnetic field force always revolts the motion of conductor caused by induced-current on conductor, so as to generate braking effect.With magnet steel 300
The length stretched into the inner cylinder of rotor 100 is ascending, and moment of torsion is also also led by small increase, induced-current by small increase, resistance therewith
The magnetic field force of body (rotor 100) motion is also by small increase, when magnet steel 300 is stretched into the inner cylinder of rotor 100, makes magnet steel 300 and rotor
100 it is closest when, brake force reaches maximum；Magnetic field and magnetic field caused by magnet steel 300 are mutual so as caused by current vortex
Effect, automobile kinetic energy is fully consumed, plays decelerating effect.Caused heat is taken away by fin 110 by air.When need not
During braking, the piston rod 411 of control cylinder 410 shrinks, and drives transmission arm 430 to drive drive link 440 to drive the magnet steel
300 are axially moved along the stator 200 on feather key 221 away from rotor 100, are kept away until magnet steel 300 enters in magnetic sheet 230,
Magnetic field is covered for it, there is no induced-current generation, brake force disappears.By control cylinder 410 piston rod 411 it is flexible,
To adjust moment of torsion increase and decrease, the size of brake force is controlled, and then controls rotating speed of transmission shaft, reaches the purpose of deceleration.
Automobile-used cartridge type permanent-magnet eddy current retarder described in the utility model, the side of stator are provided with annulus support plate, separately
Side is coaxially arranged with annulus cylinder, is axially evenly arranged with feather key around the annulus cylinder, magnetic steel gap is set in stator
On feather key, it can be moved along the stator shaft orientation, it is circumferential not rotate, and a cylinder is used, avoid using two or more
Time lag caused by cylinder produces the problem of unbalance stress, and driving force is small, and can accurately control the movement of magnet steel, and then accurately
Control braking torque；Drive efficiency is improved, and overall volume is small, and heating is low；Circumferentially formula is set the cylinder outer surface of rotor
There is fin, the fin is aluminum thermal fin, and radiating is very fast, light weight, can reduce the weight of retarder, moreover it is possible to efficiently
Rate radiates；Permanent-magnet eddy current retarder overcomes the big shortcoming of current vortex retarder power consumption, is carried by high performance Nd-Fe-B permanent magnet
For magnetic field, it is not necessary to power, save power supply；Stepless speed regulation is realized, is changed to by the level Four speed governing of current vortex retarder electrodeless
Speed governing, the electrodeless regulation of braking moment, driver's more convenient operation；Permanent magnet has small volume, light weight relative to magnet coil
The characteristics of, permanent magnet replaces magnet coil significantly to reduce volume and weight.
Although embodiment of the present utility model is disclosed as above, it is not restricted in specification and embodiment
Listed utilization, it can be applied to various suitable fields of the present utility model completely, for those skilled in the art,
Other modification is easily achieved, therefore under the universal limited without departing substantially from claim and equivalency range, this reality
Specific details is not limited to new and shown here as the legend with description.
Claims (10)
- A kind of 1. automobile-used cartridge type permanent-magnet eddy current retarder, it is characterised in that including：Stator, it includes annulus cylinder, and the annulus cylinder is axially provided with feather key；AndCircular magnetic steel, its inner ring axially set the keyway coordinated with the feather key, and the circular magnetic steel being capable of edge The stator shaft orientation movement；Rotor, it is cylindrical shape and is connected with output shaft of gear-box；Transmission mechanism, it is fixed on gearbox and drives the magnet steel mobile so that the magnet steel can enter and remote The columnar inner space of rotor.
- 2. automobile-used cartridge type permanent-magnet eddy current retarder as claimed in claim 1, it is characterised in that the stator also includes：Annulus support plate, it sets the annulus cylinder to radially extend shape close to one end of speed changer and along the annulus cylinder Into；Magnetic sheet is kept away, it is drum type brake shape, is coaxially set in the annulus cylinder and is fixed with the annulus support plate；It is described to keep away magnetic Plate axial length is less than the guiding key length, for covering magnetic field for the magnet steel away from rotor.
- 3. automobile-used cartridge type permanent-magnet eddy current retarder as claimed in claim 2, it is characterised in that also include：Damper backing plate, it is arranged on the annulus support plate periphery and is connected with automobile absorber, is carried for the retarder For radial direction aiding support.
- 4. automobile-used cartridge type permanent-magnet eddy current retarder as claimed in claim 1 or 2, it is characterised in that the magnet steel includes：Spline housing, it is sleeve shaped, and inside opens up keyway, for coordinating with the feather key gap；Outside circumferentially formula is uniform Mounting groove is opened up, for fixing magnet；Magnet, it is rectangular shape, and relative axis is fixed in the mounting groove in pairs, for providing magnetic field；Annular end cap, fix the magnet for axial both ends and be connected with the transmission mechanism.
- 5. automobile-used cartridge type permanent-magnet eddy current retarder as claimed in claim 1 or 2, it is characterised in that the transmission mechanism includes：Cylinder, it is fixed on the gearbox, and is fixedly connected by air cylinder support with the annulus support plate, avoids driving Transmission mechanism rocks when dynamic；Transmission arm, its one end and the piston rod of the cylinder are hinged；Drive link, its one end are fixedly connected with the other end of transmission arm, and the other end passes through the annulus support plate and the magnet steel Connection.
- 6. automobile-used cartridge type permanent-magnet eddy current retarder as claimed in claim 1, it is characterised in that the rotor also includes radiating Piece, circumferentially formula is arranged on the cylinder outer surface of the rotor for it.
- A kind of 7. automobile-used cartridge type permanent-magnet eddy current retarder, it is characterised in that including：Rotor, it is cylinder mode, and it is connected with output shaft of gear-box；Fin, circumferentially formula is arranged on the cylinder outer surface of the rotor for it.
- 8. automobile-used cartridge type permanent-magnet eddy current retarder as claimed in claim 7, it is characterised in that also include：Stator, it includes annulus cylinder and is fixed on the gearbox；Magnet steel, it is set in the annulus cylinder and can moved along the stator shaft orientation；Rotor, it is cylindrical shape and is connected with output shaft of gear-box；Transmission mechanism, it is fixed on gearbox and drives the magnet steel mobile so that the magnet steel can enter and remote The columnar inner space of rotor.
- 9. automobile-used cartridge type permanent-magnet eddy current retarder as claimed in claim 7 or 8, it is characterised in that the fin includes：Heat sink, it is platy structure and is fixed on the cylinder outer surface of the rotor；AndMore heat sink strips, its parallel to each other and gap are vertically arranged on the heat sink.
- 10. the automobile-used cartridge type permanent-magnet eddy current retarder as described in any one in claim 7 or 8, it is characterised in that described to dissipate Backing is aluminum thermal fin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720996458.6U CN207134975U (en) | 2017-08-10 | 2017-08-10 | A kind of automobile-used cartridge type permanent-magnet eddy current retarder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720996458.6U CN207134975U (en) | 2017-08-10 | 2017-08-10 | A kind of automobile-used cartridge type permanent-magnet eddy current retarder |
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| Publication Number | Publication Date |
|---|---|
| CN207134975U true CN207134975U (en) | 2018-03-23 |
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ID=61641091
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| CN201720996458.6U Active CN207134975U (en) | 2017-08-10 | 2017-08-10 | A kind of automobile-used cartridge type permanent-magnet eddy current retarder |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107425698A (en) * | 2017-08-10 | 2017-12-01 | 迈格钠磁动力股份有限公司 | A kind of automobile-used cartridge type permanent-magnet eddy current retarder |
| CN110460216A (en) * | 2018-05-07 | 2019-11-15 | 迈格钠磁动力股份有限公司 | A kind of swing arm vehicle liquid cold dish formula permanent-magnet eddy current flexibility retarder |
-
2017
- 2017-08-10 CN CN201720996458.6U patent/CN207134975U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107425698A (en) * | 2017-08-10 | 2017-12-01 | 迈格钠磁动力股份有限公司 | A kind of automobile-used cartridge type permanent-magnet eddy current retarder |
| CN107425698B (en) * | 2017-08-10 | 2024-04-05 | 迈格钠磁动力股份有限公司 | Cylindrical permanent magnet eddy current retarder for vehicle |
| CN110460216A (en) * | 2018-05-07 | 2019-11-15 | 迈格钠磁动力股份有限公司 | A kind of swing arm vehicle liquid cold dish formula permanent-magnet eddy current flexibility retarder |
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