CN107539335A - Track train eddy-current brake and track train - Google Patents
Track train eddy-current brake and track train Download PDFInfo
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- CN107539335A CN107539335A CN201710827069.5A CN201710827069A CN107539335A CN 107539335 A CN107539335 A CN 107539335A CN 201710827069 A CN201710827069 A CN 201710827069A CN 107539335 A CN107539335 A CN 107539335A
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- magnet exciting
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Abstract
The present invention proposes a kind of track train eddy-current brake, including magnet exciting coil unit and support arm, being provided with the magnet exciting coil unit can drive the magnet exciting coil unit self-control dynamic height to rise to the lifting unit of suspension height, and can be overlapped in when the magnet exciting coil unit drops to brake height on the track train axle box to support the support arm of the magnet exciting coil unit；The lifting unit includes the force piece that can fill row's compressed air and then expansion or shrinkage, and can in the empty spring expansion magnet exciting coil unit described in lifting transmitting assembly；The present invention proposes a kind of track train, and foregoing track train eddy-current brake is provided with its bogie.Track train eddy-current brake and track train of the present invention have good braking effect.
Description
Technical field
The invention belongs to track train braking technology field, more particularly to a kind of track train eddy-current brake.
Background technology
At present, the mode of braking of track train mainly uses Block brake, disc braking, electric braking etc., in the prior art rail
When low speed is run in road train, i.e., when travel speed is less than 300km/h, track train generally preferably electric braking mode system
Dynamic, then applying disc braking etc. when track train speed drops to preset value or electric braking deficiency, other are braked, and work as track
When train needs brake hard, then apply a variety of modes of braking simultaneously.Above-mentioned mode of braking belongs to adhesion braking, and it brakes effect
Fruit between by wheel track adhesive performance influenceed, when track train high-speed cruising, i.e., travel speed is more than or equal to 300km/h
When, adhesive performance is decreased obviously between wheel track, so as to influence braking effect, is produced braking distance increase, is slided serious, wheel to wiping
The technical problems such as wound.
Non-adhesion braking form can avoid the influence of adhesive performance between wheel track, suitable for the track train of high speed, mesh
Preceding conventional non-adhesion braking includes magnetic rail braking and eddy-current brake, still, at high speeds, magnetic rail brake device and rail level it
Between coefficient of friction substantially reduce, easily occur braking hypodynamic phenomenon, it is impossible to meet required braking force, therefore design one kind
Track train eddy-current brake, meet braking effect of the track train in high-speed cruising, come for those skilled in the art
Say and be very important.
The content of the invention
The present invention is directed to above-mentioned deficiency, a kind of track train eddy-current brake is proposed, in track train in high-speed cruising
When with good braking effect；；Present invention further propose that a kind of track train, in high-speed cruising with good braking
Effect and operation stability.
In order to achieve the above object, the technical solution adopted by the present invention is：
A kind of track train eddy-current brake, is installed on the bogie of track train, including can be produced with the track
Raw electromagnetic eddy effect is installed on the magnet exciting coil liftable units with braking the magnet exciting coil unit of the track train
On the bogie；It is provided with that magnet exciting coil unit self-control dynamic height can be driven to rise to is outstanding on the magnet exciting coil unit
The lifting unit of height is hung, and the track column axletree can be overlapped in when the magnet exciting coil unit drops to brake height
To support the support arm of the magnet exciting coil unit on case；The lifting unit includes that row's compressed air can be filled and then expands or receive
The force piece of contracting, and can in the empty spring expansion magnet exciting coil unit described in lifting transmitting assembly.
Preferably, the force piece is fixedly arranged on the magnet exciting coil unit towards one end of the bogie；The biography
Passing component includes installing plate and outer cover, and the installing plate is fixedly arranged between force piece and the magnet exciting coil unit, the installation
Plate is further connected with the bogie；The outer cover is fixedly arranged on the magnet exciting coil unit towards one end of the bogie simultaneously
Cover sets the periphery with the force piece.
Preferably, the force piece is empty spring or air bag.
Preferably, the support arm is respectively arranged at the opposite end of the magnet exciting coil unit, the support arm is put down
Row is set in the magnet exciting coil unit.
Preferably, the magnet exciting coil unit is hinged with drawing pull bar, the opposite other end of the drawing pull bar and institute
Bogie is stated to be hinged.
Preferably, the magnet exciting coil unit includes multiple excitation components, the magnetic pole of multiple excitation components is successively
It is alternately arranged, the excitation component includes iron core, and the magnet exciting coil being arranged in each iron core, multiple excitations
Being installed with the top of component can be engaged with the iron core, track to form the yoke beam of magnetic strength line loop.
Preferably, further comprising tie-beam, the magnet exciting coil unit and tie-beam are respectively two, described in two
Homonymy is connected between two magnet exciting coil units tie-beam respectively, and the both ends of the tie-beam described in two respectively with encouraging
The iron core of magnetic coil unit is connected.
A kind of track train, including bogie, foregoing track train eddy-current brake is provided with the bogie.
Compared with prior art, the advantages and positive effects of the present invention are：
1st, track train eddy-current brake of the present invention, its lifting unit can be filled with by setting or discharges compressed air
With the force piece for expanding or shrinking, and the bulbs of pressure of the force piece can be converted into magnet exciting coil unit described in lifting
Pulling force transmitting assembly, the magnet exciting coil unit can be driven to be risen to from application position when the force piece inflation
Hanging position, when the force piece, which is vented, to be shunk the magnet exciting coil unit can be made to drop to retarder location in the presence of deadweight
Put, ensure that track train eddy-current brake of the present invention applies braking and releases the validity of braking.
Brief description of the drawings
Fig. 1 is the stereogram of eddy-current brake of the present invention；
Fig. 2 is the front view of eddy-current brake of the present invention；
Fig. 3 is the top view of eddy-current brake of the present invention；
Fig. 4 is the sectional view of air gap adjustment unit of the present invention.
Above in each figure：1st, magnet exciting coil unit；11st, field coil assembly；12nd, yoke beam；2nd, lifting unit；21st, move
Power part；22nd, transmitting assembly；221st, installing plate；222nd, outer cover；3rd, support arm；4th, drawing pull bar；41st, drawing pull bar seat；5th, air gap
Adjustment unit；51st, housing；52nd, voussoir；53rd, adjusting part；531st, adjusting screw rod；532nd, nut；54th, component is compressed；541st, put down
Weighing apparatus plug；542nd, elastic component；543rd, pressure cap；544th, screw；6th, tie-beam.
Embodiment
Below, the present invention is specifically described by exemplary embodiment.It should be appreciated, however, that do not entering one
In the case of step narration, element, structure and features in an embodiment can also be advantageously incorporated into other embodiment
In.
In the description of the invention, it is necessary to illustrate, the horizontal direction in accompanying drawing 2 and accompanying drawing 3 is track bearing of trend,
And the travel direction of track train, and eddy-current brake towards one end of track train direction of advance be head end, relatively separately
One end is tail end；Application position refers to that eddy-current brake drops to and produces electromagnetic eddy with the track with braking orbit train
Position, now the distance between eddy-current brake and rail top face are air gap；Hanging position refers to that end of braking backwash is braked
Device rises and is suspended on position when on bogie, can not now be produced between eddy-current brake and track eddy current effect enter without
Can braking orbit train；The height of hanging position is more than application position；Term " interior ", " outer ", " on ", " under ", "front", "rear" etc.
The orientation or position relationship of instruction are based on position relationship shown in the drawings, are for only for ease of the description present invention and simplification is retouched
State, rather than instruction or imply signified device or element there must be specific orientation, with specific azimuth configuration and operation,
Therefore it is not considered as limiting the invention.In addition, term " first ", " second ", " the 3rd " are only used for describing purpose, without
It is understood that to indicate or implying relative importance.
As shown in Figure 1 to Figure 3, the present invention proposes a kind of track train eddy-current brake, is installed on turning for track train
The brake force away from track train travel direction is produced so as to braking orbit train on to frame and using electromagnetic eddy effect.This hair
Bright track train eddy-current brake includes two magnet exciting coil units 1, and two tie-beams 6, described two magnet exciting coil lists
Member 1 sets with two track alignments and can produced and institute with two tracks generation electromagnetic eddy effects respectively respectively
The opposite brake force of track train travel direction is stated, two tie-beams 6 are connected to the head of two magnet exciting coil units 1
Tail both ends, the magnet exciting coil unit 1 are installed on the bogie and can back and forth transported between application position and hanging position
It is dynamic；The magnet exciting coil unit 1 is provided with lifting unit 2 and support arm 3, and the lifting unit 2 is used to drive the excitation wire
The self-retention position of coil unit 1 rises to hanging position, when eddy-current brake of the present invention drops to application position, the support arm
3 one end can be overlapped on the track train axle box so as to support the magnet exciting coil unit 1；The lifting unit 2 includes
Force piece 21, transmitting assembly 22, the force piece 21, which can be filled with, either discharges compressed air and then volumetric expansion or contraction,
When the force piece 21 expands, the bulbs of pressure of the compressed air of force piece 21 can be converted to lift by the transmitting assembly 22
Rise the active force of the magnet exciting coil unit 1.
It should be noted that during the track train traveling, eddy-current brake of the present invention is installed on the bogie simultaneously
Positioned at hanging position, now the magnet exciting coil unit 1 of eddy-current brake is not over electric current, therefore can not be produced with the track
Electromagnetic eddy；When the track train needs braking, the lifting unit 2 releases the suspension to the magnet exciting coil unit 1
Effect, the magnet exciting coil unit 1 declines under Gravitative Loads, when the magnet exciting coil unit 1 when that drops to application position institute
State on one end overlap joint of support arm 3 and the axle box of the track train and make the stabilization of magnet exciting coil unit 1, and by described
Air gap adjustment unit further adjusts the distance between the bottom surface of magnet exciting coil unit 1 and the rail top face, pre- to meet
If it is required that.The magnet exciting coil unit 1 is passed through electric current and produces primary magnetic field, and the magnetic induction line in the primary magnetic field passes through the rail
Road simultaneously forms loop；With the operation of the track train, the track cuts the magnetic induction line in primary magnetic field and produces current vortex,
The current vortex produces secondary magnetic field immediately, and the interphase interaction of primary magnetic field and secondary magnetic field because of the primary distortion of field and is produced
The raw component in contrast to the track train travel direction, i.e. brake force, so as to brake the track train.
The track train eddy-current brake of the present invention, it can drive what the magnet exciting coil unit 1 lifted by setting
Lifting unit, so that the magnet exciting coil unit 1 can move back and forth between application position and hanging position, so that and track
Between produce eddy current effect so that produce in contrast to the track train travel direction brake force, can be in the track train
Effective brake during high-speed cruising, and adhesive performance is not influenceed between by the track train wheel track, improves track train
Operation stability.
With further reference to Fig. 1 to Fig. 3, the force piece 21 is fixedly arranged on the magnetic coil unit 1 towards the bogie
One end, i.e. top, the transmitting assembly 22 include installing plate 221 and outer cover 222, and the installing plate 221 is fixedly arranged on the excitation
The top of coil unit 1 and the lower section for being located at the force piece 21, the both ends of the installing plate 221 are consolidated with the bogie respectively
Even, the outer cover 222 is fixedly arranged on the magnet exciting coil unit 1 towards one end of the bogie, i.e. top, the outer cover 222
Cover at the periphery of the force piece 21, and when the force piece 21 expands, the outer surface of the force piece 21 with it is described
The inner surface of outer cover 222 is in contact.
Preferably, the force piece 21 is empty spring or air bag.
Specifically, when being filled with compressed air to the force piece 21, the volumetric expansion of force piece 21 and respectively to institute
State installing plate 221 and outer cover 222 and apply pressure, because the outer cover 222 is by the pressure transmission of the force piece 21 to the excitation
Coil unit 1, because the magnet exciting coil unit 1 is connected by the installing plate 221 with the bogie, so as to the excitation wire
Coil unit 1 rises towards the bogie, i.e., described force piece 21 drives the magnet exciting coil unit 1 to rise when expanding.
Further, when the compressed air in the force piece 21 discharges, the volume-diminished of force piece 21 is simultaneously
Separated with the inner surface of the outer cover 222, the force piece 21 releases the pressure applied to the outer cover 222, the excitation wire
Coil unit 1 declines in the presence of deadweight, until the support arm 3 is overlapped on the axle box of the track train system that drops to
Dynamic position, so that the stabilization of magnet exciting coil unit 1.
With continued reference to Fig. 1 to Fig. 3, brake force caused by the magnet exciting coil unit 1 is transferred in order to preferably described
Bogie and track train, track train of the present invention are further provided with drawing pull bar 4, the drawing pull bar with eddy-current brake
4 one end is be hinged with the magnet exciting coil unit 1, and opposite other end and the bogie of the drawing pull bar 4 are hinged.Institute
When stating magnet exciting coil unit 1 and being lifted between application position and hanging position, the both ends of the drawing pull bar 4 are encouraged with described respectively
The end points that magnetic coil unit 1, bogie 2 connect rotates, so that the magnet exciting coil unit 1 smoothly lifts.When the excitation wire
When coil unit 1 produces the brake force in contrast to the track train travel direction, the brake force passes through the installing plate respectively
It is connected between 221 and bogie, and be hinged between drawing pull bar 4 and bogie is transferred to the bogie, avoids institute
State brake force and axle box is transferred to by support arm 3, reduce track train eddy-current brake of the present invention and the axle box is broken
Bad effect.
Preferably, each magnet exciting coil unit 1 includes two support arms 3, two support arms 3
The opposite end of the magnet exciting coil unit 1 is respectively arranged at, and two support arms 3 are parallel to the magnet exciting coil list
Member 1 is set.One end of the support arm 3 is connected with the magnet exciting coil unit 1, the opposite other end overlap joint of the support arm 3
In on the axle box of the track train.
It should be noted that when the magnet exciting coil unit 1 drops to application position, in order to ensure eddy-current brake of the present invention
The effective brake of device, the distance between the bottom surface of the magnet exciting coil unit 1 and rail top face need to meet wanting for air gap preset value
Ask.The magnet exciting coil unit 1 is further fitted with air gap adjustment unit 5, when eddy-current brake of the present invention drops to retarder location
When putting, the air gap adjustment unit 5 is used for the bottom surface of magnet exciting coil unit 1 described in further accurate adjustment and the spacing of rail top face
From so that the distance between the bottom surface of magnet exciting coil unit 1 and rail top face meet preset requirement.
Track train of the present invention can further adjust the magnet exciting coil list with the air gap adjustment unit 5 of eddy-current brake
First 1 distance in application position between the bottom surface of magnet exciting coil unit 1 and rail top face meets above-mentioned requirements.It is each described
Magnet exciting coil unit 1 is provided with two air gap adjustment units 5, and two air gap adjustment units 5 are respectively arranged at described
The opposite end of magnet exciting coil unit 1, and positioned at corresponding with the position of the support arm 3.
Referring to Fig. 4, the air gap adjustment unit 5 includes housing 51 and voussoir 52, and the housing 51 is fixedly installed in described
The side of magnet exciting coil unit 1 and be hollow structure, the connected mode of the support arm 3 and the magnet exciting coil unit 1 is hinge
Connect, so that the support arm 3 can rotate relative to the magnet exciting coil unit 1, the support arm 3 and the magnet exciting coil unit
1 be hinged one end is located in the housing 51；It is provided with what can be moved towards or away from the support arm 3 in the housing 51
Voussoir 52, the voussoir 52 have inclined-plane, and the inclined-plane is located at the upper end of the voussoir 52, and the voussoir 52 is located at the support arm
The 3 be hinged lower sections with described one end of magnet exciting coil unit 1, and the end of the support arm 3 is overlapped in the oblique of the voussoir 52
On face, when the voussoir 52 moves towards or by the support arm 3, the support arm 3 is overlapped on the voussoir 52
One end will move up and down along the inclined-plane of the voussoir 52, and the opposite other end of the support arm 52 being total in the axle box
Under same-action, the support arm 3 rotates relative to the magnet exciting coil unit 1 and makes the magnet exciting coil unit 1 in retarder location
Put and further produce small lifting, meet gas to adjust the distance between the bottom surface of magnet exciting coil unit 1 and rail top face
The requirement of gap preset value.
Preferably, the air gap preset value is 6.5mm-9.5mm.
With further reference to Fig. 4, the air gap adjustment unit further comprise can adjust the voussoir 52 towards or away from
The adjusting part 53 that the support arm 3 moves, the adjusting part 53 include adjusting screw rod 531 and nut 532, the regulation spiral shell
One end of bar 531 and the voussoir 52 are connected away from the threaded one end of the support arm 3, the adjusting screw rod 531 it is relatively another
One end with the housing 51 is fixedly connected through the housing 51 and by the nut 532, by rotating the adjusting screw rod
531 so as to driving the voussoir 52 to be moved towards or away from the voussoir 52.
The track train can produce and rock and vibrate in the process of moving, in order to avoid the support arm 3 is overlapped in institute
The one end stated on voussoir 52 teetertotters, and the air gap adjustment unit 5 further comprises compressing component 54, described to compress component 54
Including balanced plug 541, elastic component 542 and pressure cap 543, the balanced plug 541 is fixedly arranged on the housing 51, the balanced plug
541 bottoms are crimped on the upper surface that the support arm 3 is overlapped in described one end of voussoir 52, and the elastic component 542 is sheathed on described
In balanced plug 541, the pressure cap 543 covers at the top of the elastic component 542, the both ends of the elastic component 542 respectively with institute
State pressure cap 543, balanced plug 541 is in contact, the pressure cap 543 is connected by screw 544 and the housing 51.When the support arm
When 3 one end being overlapped on the voussoir 52 move up and down because of track train vibration, the balanced plug 541 is in the bullet
Downward pressure is produced to the support arm 3 in the presence of property part 542, the voussoir 52 produces upward to the support arm 3
Support force, so that the support arm 3 is in stable state.
Further, the magnet exciting coil unit 1 includes multiple excitation components 11, the magnetic pole of multiple excitation components 11
It is alternately arranged successively according to A, S direction, the excitation component 11 includes iron core, and the excitation being arranged in each iron core
Coil, the top of multiple excitation components 11 are installed with yoke beam 12, when the magnet exciting coil is passed through electric current, the yoke
Beam 12 can be engaged with the iron core, track to form magnetic strength line loop.
Further, two tie-beams 6 connect two homonymies of magnet exciting coil unit 1, and described in two
Yoke beam 12 relative inner of the both ends of tie-beam 6 respectively with two magnet exciting coil units 1 is connected, the force piece 21,
Installing plate 221 and outer cover 222 are respectively arranged in the top surface of the yoke beam 12, and the support arm 3 is articulated with the yoke beam 12
Away from the outside of the tie-beam, the drawing pull bar 4 is articulated with the magnetic of the magnet exciting coil unit 1 by drawing pull bar seat 41
Yoke beam 12 deviates from the outside of the tie-beam, and the housing 51 of the air gap adjustment unit 5 is fixedly arranged on the magnet exciting coil unit 1
Yoke beam 12 deviates from the outside of the tie-beam.
Present invention further propose that a kind of track train, including bogie, foregoing vortex is provided with the bogie
Brake, it is not described in detail herein in high-speed cruising with good braking effect and operation stability.
Above description is only the preferred embodiment of the application and the explanation to institute's application technology principle.People in the art
Member should be appreciated that invention scope involved in the application, however it is not limited to the technology that the particular combination of above-mentioned technical characteristic forms
Scheme, while should also cover in the case where not departing from the inventive concept, carried out by above-mentioned technical characteristic or its equivalent feature
The other technical schemes for being combined and being formed.Such as features described above has similar work(with (but not limited to) disclosed herein
The technical scheme that the technical characteristic of energy is replaced mutually and formed.
Claims (8)
1. a kind of track train eddy-current brake, is installed on the bogie of track train, it is characterised in that：Including can with institute
State track and produce electromagnetic eddy effect to brake the magnet exciting coil unit (1) of the track train, the magnet exciting coil unit (1)
Liftably it is installed on the bogie；The magnet exciting coil unit can be driven by being provided with the magnet exciting coil unit (1)
(1) self-control dynamic height rises to the lifting unit (2) of suspension height, and can drop to system in the magnet exciting coil unit (1)
It is overlapped in during dynamic height on the track train axle box to support the support arm (3) of the magnet exciting coil unit (1)；
The lifting unit (2) includes that the force piece (21) of row's compressed air and then expansion or shrinkage can be filled, and can be described
The transmitting assembly (22) of magnet exciting coil unit (1) described in lifting during empty spring (21) expansion.
2. track train eddy-current brake according to claim 1, it is characterised in that：The force piece (21) is fixedly arranged on
The magnet exciting coil unit (1) is towards one end of the bogie；The transmitting assembly (22) includes installing plate (221) and outer cover
(222), the installing plate (221) is fixedly arranged between the force piece (21) and magnet exciting coil unit (1), the installing plate
(221) further it is connected with the bogie；The outer cover (23) is fixedly arranged on the magnet exciting coil unit (1) towards the steering
One end of frame and cover set the periphery with the force piece (21).
3. track train eddy-current brake according to claim 1 or 2, it is characterised in that：The force piece (21) is
Empty spring or air bag.
4. track train eddy-current brake according to claim 1, it is characterised in that：The support arm (3) sets respectively
The opposite end of the magnet exciting coil unit (1) is placed in, the support arm (3) is set parallel to the magnet exciting coil unit (1).
5. track train eddy-current brake according to claim 4, it is characterised in that：The magnet exciting coil unit (1)
Drawing pull bar (4) is hinged with, the opposite other end of the drawing pull bar (4) is hinged with the bogie.
6. track train eddy-current brake according to claim 1, it is characterised in that：The magnet exciting coil unit (1)
Including multiple excitation components (11), the magnetic pole of multiple excitation components (11) is alternately arranged successively, the excitation component (11)
Including iron core, and the magnet exciting coil being arranged in each iron core, it is installed with the top of multiple excitation components (11)
It can be engaged with the iron core, track to form the yoke beam (12) of magnetic strength line loop.
7. track train eddy-current brake according to claim 6, it is characterised in that：Further comprise tie-beam (6),
The magnet exciting coil unit (1) and tie-beam (6) are respectively two, and homonymy is connected to two to two tie-beams (6) respectively
Between the magnet exciting coil unit (1), the both ends of the tie-beam (6) iron with two magnet exciting coil units (1) respectively
Core is connected.
8. a kind of track train, including bogie, it is characterised in that：Set on the bogie any just like claim 1-7
Track train eddy-current brake described in.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710827069.5A CN107539335A (en) | 2017-09-14 | 2017-09-14 | Track train eddy-current brake and track train |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710827069.5A CN107539335A (en) | 2017-09-14 | 2017-09-14 | Track train eddy-current brake and track train |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107539335A true CN107539335A (en) | 2018-01-05 |
Family
ID=60963283
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710827069.5A Pending CN107539335A (en) | 2017-09-14 | 2017-09-14 | Track train eddy-current brake and track train |
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| Country | Link |
|---|---|
| CN (1) | CN107539335A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109300649A (en) * | 2018-11-15 | 2019-02-01 | 中国铁路总公司 | Linear eddy-current brake electromagnet for rail vehicle |
| CN110271426A (en) * | 2019-07-26 | 2019-09-24 | 扬州大学 | A kind of electromagnetic eddy current braking device |
| CN110641498A (en) * | 2019-11-07 | 2020-01-03 | 中国铁建重工集团股份有限公司 | Magnetic levitation frame and magnetic levitation rail train |
| WO2020020173A1 (en) * | 2018-07-23 | 2020-01-30 | 中国科学院合肥物质科学研究院 | Superconducting eddy current brake for high-speed train |
| CN111688749A (en) * | 2020-07-13 | 2020-09-22 | 马鞍山蓝信环保科技有限公司 | Bogie with electric eddy current brake device |
| CN113029607A (en) * | 2021-02-01 | 2021-06-25 | 中车青岛四方机车车辆股份有限公司 | Dynamic test system of magnetic track brake |
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| US11904729B2 (en) | 2018-07-23 | 2024-02-20 | Hefei Institutes Of Physical Science, Chinese Academy Of Sciences | Superconducting eddy-current brake for high- speed train |
| CN109300649A (en) * | 2018-11-15 | 2019-02-01 | 中国铁路总公司 | Linear eddy-current brake electromagnet for rail vehicle |
| CN110271426A (en) * | 2019-07-26 | 2019-09-24 | 扬州大学 | A kind of electromagnetic eddy current braking device |
| CN110271426B (en) * | 2019-07-26 | 2024-04-26 | 扬州大学 | Electromagnetic vortex brake device |
| CN110641498A (en) * | 2019-11-07 | 2020-01-03 | 中国铁建重工集团股份有限公司 | Magnetic levitation frame and magnetic levitation rail train |
| CN111688749A (en) * | 2020-07-13 | 2020-09-22 | 马鞍山蓝信环保科技有限公司 | Bogie with electric eddy current brake device |
| CN113029607A (en) * | 2021-02-01 | 2021-06-25 | 中车青岛四方机车车辆股份有限公司 | Dynamic test system of magnetic track brake |
| CN113029607B (en) * | 2021-02-01 | 2023-04-25 | 中车青岛四方机车车辆股份有限公司 | Dynamic test system for magnetic track brake |
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