CN110466357A - A kind of linear eddy-current brake device - Google Patents
A kind of linear eddy-current brake device Download PDFInfo
- Publication number
- CN110466357A CN110466357A CN201910752178.4A CN201910752178A CN110466357A CN 110466357 A CN110466357 A CN 110466357A CN 201910752178 A CN201910752178 A CN 201910752178A CN 110466357 A CN110466357 A CN 110466357A
- Authority
- CN
- China
- Prior art keywords
- magnetic pole
- lever
- magnetic
- current brake
- brake device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L7/00—Electrodynamic brake systems for vehicles in general
- B60L7/28—Eddy-current braking
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K49/00—Dynamo-electric clutches; Dynamo-electric brakes
- H02K49/02—Dynamo-electric clutches; Dynamo-electric brakes of the asynchronous induction type
- H02K49/04—Dynamo-electric clutches; Dynamo-electric brakes of the asynchronous induction type of the eddy-current hysteresis type
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/64—Electric machine technologies in electromobility
Abstract
The present invention relates to a kind of linear eddy-current brake devices, it include: supporting beam component, two supporting arm assemblies, two rod assemblies, a lever assembly and several magnetic poles, magnetic pole is rigidly secured to the bottom of supporting beam component, the upper end of two supporting arm assemblies and the suspension rack trailing arm of vehicle connect, end of the lower end of two supporting arm assemblies respectively with supporting beam component is fixed, lever assembly is rotatably dispose in the middle part of supporting beam component, the inner end of two rod assemblies is hinged with the both ends of lever assembly respectively, and the outer end of two rod assemblies and the suspension rack of vehicle connect.Magnetic pole is fixed below supporting beam component magnetic yoke by the fastening means after optimization by fastening bolt and lock washer, and mode is simple, facilitates the installation and removal of magnetic pole, far surpasses 1.5 by calculating fastening security coefficient, securely and reliably.In addition increase dowel hole on magnetic pole and magnetic yoke, on the one hand which can be used for the anti-mounted measure of magnetic pole installation process.
Description
Technical field
The invention belongs to rail vehicle braking system technical fields, and in particular to a kind of suitable for the linear of magnetic suspension train
Eddy current braking device.
Background technique
Existing magnetic suspension train mostly uses linear eddy-current brake device to carry out emergency braking.Linear eddy-current brake technology is benefit
With under high-speed condition, the braking magnetic pole magnetic field generated that is powered generates vortex in side guide, according to Maxwell's law and stupefied
Secondary law, the magnetic field and former magnetic field interaction for being vortexed generation attract, to produce brake force, which passes through braking magnetic
Pole iron core, magnetic yoke, rod assembly are eventually transferred on the bogie of car, to realize braking.
Shanghai Maglev train F-Zero 500km/h at present, the linear eddy-current brake device that emergency braking uses on vehicle,
German imported product technical solution is adopted, device electromagnet is using four groups of 12 magnetic poles point independent series connections, single magnetic pole volume
Determine magnetomotive force 20.4KA, the maximum braking force of whole device is about 60KN.
The highest operation speed per hour of magnetic suspension train of new generation is designed as 600km/h, according to corresponding deceleration demand, extrapolates
Braking magnetic pole needs magnetomotive force to be offered to be up to 21.7kA, the requirements such as structure snd size, the weight of entire product not
It is a very big challenge for the structural strength of the electromagnetic system power of device and product under conditions of loosening.If
It increases braking magnetic pole electric current by force on original device, on the one hand may burn out coil, cause brake fade, another party
The increase in face, brake force needs the intensity to power transfer components to propose requirements at the higher level etc..
The existing fastening means of magnetic pole is cooperated by the groove of two lifting lugs and supporting beam component magnetic yoke on magnetic pole,
Then it is fixed with fasteners such as screws, the design of lifting lug, with the following aspects defect: on the one hand increasing adding for pole
On the other hand work difficulty increases the difficulty of wire winding tool and package tool design.Magnetic pole weight is about 24kg, passes through four
The fasteners such as screw are fixed, and magnetic pole is be easy to cause to shake, and there are risks for fastening strength.
In addition to this, since original device magnetic pole and supporting beam installation place are without mistake proofing measure, it is anti-loaded there are magnetic pole a possibility that,
If anti-loaded will cause eddy-current brake power sharply to decline, traffic safety is seriously affected.
Summary of the invention
The technical problem to be solved by the present invention is to overcome the disadvantages mentioned above of the prior art, provide a kind of novel linear whirlpool
Flow brake apparatus.
In order to solve the above technical problems, linear eddy-current brake device provided by the invention, comprising: supporting beam component, two
A supporting arm assembly, two rod assemblies, a lever assembly and several magnetic poles, the magnetic pole are rigidly secured to supporting beam component
Bottom, the upper end of two supporting arm assemblies and the suspension rack of vehicle connect, the lower end of two supporting arm assemblies respectively with support
The end of beam assembly is fixed, and lever assembly is rotatably dispose in the middle part of supporting beam component, the inner end of two rod assemblies respectively with thick stick
The both ends of bar assembly are hinged, and the outer end of two rod assemblies and the suspension rack of vehicle connect.
Further, the supporting beam component includes below by way of being welded and fixed as whole component: for fixed magnetic pole
Magnetic yoke, the cover type back beam above magnetic yoke, positioned at cover type back beam side for protecting the cover board of magnetic pole, being located at magnetic yoke two
The lower section of magnetic yoke, the lower end two of supporting arm assembly are fixed in the end plate at end and side plate positioned at end plate two sides, the magnetic pole lifting
Side rivets with the side plate fix respectively, and stiffening plate is fixedly arranged above in the middle part of magnetic yoke, and the lever assembly passes through lever pin shaft
It is rotatablely connected with the stiffening plate.
A kind of magnetic suspension train is also claimed in the present invention, it is characterised in that: has above-mentioned linear eddy-current brake device.
The present invention is meeting in device external world connection size claimed range, devises a novel linear eddy current braking device
Use brake apparatus.12 magnetic poles still can be used in the device solenoid part, but the structure of magnetic pole itself is optimized, single
A magnetic pole rated power is about 3.2KW, and magnetomotive force can reach 21.7kA, and heat resisting temperature is not less than F grades, and IP grade meets IP67,
Insulation pressure resistance meets AC2.4kV (1kHz) and continues 1min intensity, and the maximum braking force of whole device is about 85kN；In addition in magnetic
Pole and installing for supporting beam are optimized, and ensure that the intensity of components in power transmittance process is met the requirements, increase simultaneously
Mistake proofing positioning pin measure guarantees the correctness of installation.
Under conditions of the present invention guarantees existing space, in the case where meeting above-mentioned requirements structure, device components are changed
Into or innovation.
1, using novel magnetic pole, when guaranteeing that space requirement, heatproof, pressure resistance etc. require, novel magnetic pole has bigger
Magnetomotive force, improve the brake force in device motion process；
2, optimize the mounting means of magnetic pole and supporting beam component, which simplifies magnetic pole product structure, reduces magnetic pole processing
It is required that；Facilitate the installation and removal of magnetic pole；Increase mistake proofing measure, prevents magnetic pole anti-loaded；High-strength screw is used simultaneously and is prevented
Loose washer directly fastens, and more installation is reliable.
3, according to newest vehicle end interface, original interface form is improved, meets the newest of magnetic suspension train of new generation
Interface.
4, supporting beam component is compact-sized, intensity is high, is easily installed and safeguards.
Detailed description of the invention
Fig. 1 is linear eddy-current brake device perspective view of the present invention.
Fig. 2 is linear eddy-current brake device perspective view of the present invention (after removing back beam).
Fig. 3 is the lever assembly scheme of installation of linear eddy-current brake device of the present invention.
Fig. 4 is the rod assembly and lever assembly connection schematic diagram of linear eddy-current brake device of the present invention.
Fig. 5 is the magnetic pole installation signal explosive view of linear eddy-current brake device of the present invention.
Fig. 6 is the magnetic pole top view of linear eddy-current brake device of the present invention.
Fig. 7 is the magnetic pole installation schematic sectional view of linear eddy-current brake device of the present invention.
Figure label is schematically as follows:
1- supporting arm assembly, 2- supporting beam component, 21- magnetic yoke, 211- pin hole, 22- back beam, 23- cover board, 24- end plate, the side 25-
Plate, 26- stiffening plate, 261- lever shaft guide A, 262- lever shaft guide B, 3- rod assembly, 31- stay rod pin, 32- plain washer,
33- self-locking nut, 4- lever assembly, 41- lever pin shaft, 42- retaining ring, 5- wearing plate, 6- magnetic pole, 61- location hole, 62- fastening
Bolt, 63- positioning pin, 64- lock washer, 65- counterbore, 7- electric connector socket.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described.
As shown in Figures 1 to 7, a kind of linear eddy-current brake device of the present embodiment, comprising: supporting beam component 2, two supports
The rod assembly 3, one of arm component 1, two lever assembly 4, several magnetic poles 6 and wearing plate 5.Supporting arm assembly and levitation train
Trailing arm connection guarantees vehicle in lateral displacement.Supporting beam component is the integrated entity of device, other components are integrated in one
It rises, while also transmitting the important link of torque；Lever assembly and rod assembly, which cooperate, passes to vehicle for brake force；Magnetic pole is powered
Eddy-current brake power is generated afterwards；On the one hand wearing plate is used to protect magnetic pole and supporting beam component by damage is hit, be on the one hand used for
Low speed friction generates friction brake force；Electric connector socket is at electrical connection.
Novel brake pole design parameter are as follows: rated power is about the single magnetic pole of 3.2kW(), magnetomotive force is up to
21.7kA, heat resisting temperature are not less than F grades, and IP grade meets IP65 requirement, and insulation pressure resistance meets AC2.4kV 1000HZ requirement, volume
Determine weight 600kg.
Magnetic pole 6 is rigidly secured to the bottom of supporting beam component 2, the upper end of two supporting arm assemblies 1 and the suspension rack of vehicle
Connection.Trailing arm is provided with below the suspension rack of vehicle, trailing arm has support arm insert port, passes through pin shaft after supporting arm assembly insertion
It is attached.End side of the lower end of two supporting arm assemblies 1 respectively with supporting beam component 2 is fixed, and the rotation of lever assembly 4 is set
It is placed in the middle part of supporting beam component 2, the inner end of two rod assemblies 3 is hinged with the both ends of lever assembly 4 respectively, two rod assemblies 3
Outer end and vehicle suspension rack connect.Electrical cnnector socket 7 is fixed on cover board 23.
In this example, it is whole component: the magnetic for fixed magnetic pole that supporting beam component 2, which includes below by way of position is welded and fixed,
Yoke 21, the cover type back beam 22 above magnetic yoke, positioned at cover type back beam 22 side for protecting the cover board 23 of magnetic pole, being located at magnetic
The end plate 24 at 21 both ends of yoke and side plate 25 positioned at end plate two sides, magnetic pole 6 lift the lower section for being fixed on magnetic yoke 21, supporting arm assembly
1 lower end two sides rivet with side plate 25 fix respectively, and the middle part of magnetic yoke 21 is fixedly arranged above stiffening plate 26, and lever assembly 4 passes through
Lever pin shaft 41 and stiffening plate 26 are rotatablely connected.The end of wearing plate 5 is fixed by rivet and end plate 24, the middle part of wearing plate 5
It is fixed by rivet and magnetic pole 6.
As shown in Figure 3, Figure 4, the top, lower part of stiffening plate 26 are respectively fixed with lever pin sleeve A261 and lever pin sleeve
B262 has lever bushing at 4 center of lever assembly, lever pin shaft 41 passes through lever pin sleeve A261, lever bushing and lever
Lever assembly is rotationally connected with stiffening plate 26 by pin sleeve B262, to realize the hinged of lever assembly and supporting beam component, is added
The lever shaft guide 261 of strong 26 top of plate has a card slot, is caught in the card slot by retaining ring 42 and realizes to the anti-of lever pin shaft 41
It is de-.The inner end of rod assembly 3 is rotatablely connected by the outer end of stay rod pin 31 and lever assembly 4, and the lower end of stay rod pin 31 is cased with flat
Washer 32 is simultaneously fastened by self-locking nut 33.
As shown in Fig. 5, Fig. 6, Fig. 7, the upper surface of magnetic pole 6 is provided with asymmetrical location hole 61, and magnetic yoke 21 is provided with pair
The pin hole 211 answered is inserted into the location hole 61 by positioning pin 63 and pin hole 221 realizes positioning of the magnetic pole 6 below magnetic yoke 21.Magnetic
Pole 6 has vertical counterbore 65, and magnetic yoke 21 has screw hole 222, and fastening bolt 62 passes through the counterbore and is screwed into screw hole realization magnetic pole in magnetic
The fixation of 21 bottom of yoke, fastening bolt 62 are cased with lock washer 63.
The magnetic pole novel magnetic pole of the present embodiment replaces primary aluminum foil construction using flat aluminium wire structure, mainly has compared with former magnetic pole
Following difference: 1, pole coil magnetomotive force increases；2, pole (intermediate iron core) cancels lifting lug, increases screw peace among pole
Fill hole；3, dowel hole is increased.Magnetic pole is fixed on support by fastening bolt and lock washer by the fastening means after optimization
Below beam assembly magnetic yoke, mode is simple, facilitates the installation and removal of magnetic pole, surpasses 1.5 by calculating fastening security coefficient, safely may be used
It leans on.In addition increase dowel hole on magnetic pole and magnetic yoke, on the one hand which can be used for the anti-mounted of magnetic pole installation process
Measure, positioning action when on the one hand installing for magnetic pole, is convenient for bolt fastening, and reduces the installation of a whole set of magnetic pole installation
Tolerance is uniformly distributed in magnetic pole in magnetic yoke, is conducive to the distribution of electromagnetism iron circuit.
In addition to the implementation, the present invention can also have other embodiments.It is all to use equivalent substitution or equivalent transformation shape
At technical solution, fall within the scope of protection required by the present invention.
Claims (10)
1. a kind of linear eddy-current brake device includes: supporting beam component (2), two supporting arm assemblies (1), two rod assemblies
(3), a lever assembly (4) and several magnetic poles (6), the magnetic pole (6) are rigidly secured to the bottom of supporting beam component (2), and two
The suspension rack trailing arm of the upper end of a supporting arm assembly (1) and vehicle connects, the lower end of two supporting arm assemblies (1) respectively with support
The end of beam assembly (2) is fixed, and lever assembly (4) is rotatably dispose in the middle part of supporting beam component (2), two rod assemblies (3)
Inner end is hinged with the both ends of lever assembly (4) respectively, and the outer end of two rod assemblies (3) and the suspension rack of vehicle connect.
2. linear eddy-current brake device according to claim 1, it is characterised in that: the supporting beam component (2) include with
It is lower by being welded and fixed as whole component: for the magnetic yoke (21) of fixed magnetic pole, the cover type back beam (22) above magnetic yoke,
Positioned at cover type back beam (22) side for protecting the cover board (23) of magnetic pole, being located at the end plate (24) at magnetic yoke (21) both ends and be located at
The lower section of magnetic yoke (21), the lower end two of supporting arm assembly (1) are fixed in the side plate (25) of end plate two sides, magnetic pole (6) lifting
Side rivets with the side plate (25) fix respectively, is fixedly arranged above stiffening plate (26), the lever assembly in the middle part of magnetic yoke (21)
(4) it is rotatablely connected by lever pin shaft (41) and the stiffening plate (26).
3. linear eddy-current brake device according to claim 1, it is characterised in that: also have and be set to below supporting beam component
Wearing plate (5), the end of the wearing plate (5) is fixed by rivet and the end plate (24), and wearing plate passes through in the middle part of (5)
Rivet and magnetic pole (6) are fixed.
4. linear eddy-current brake device according to claim 1, it is characterised in that: be provided with support below the suspension rack of vehicle
Arm, trailing arm have support arm insert port, are attached after supporting arm assembly insertion by pin shaft.
5. linear eddy-current brake device according to claim 1, it is characterised in that: the upper surface of the magnetic pole (6) is arranged
Have asymmetrical location hole (61), magnetic yoke (21) is provided with corresponding pin hole (211), is inserted into the location hole by positioning pin (63)
(61) and pin hole (221) realizes the positioning of magnetic pole (6) below magnetic yoke (21).
6. linear eddy-current brake device according to claim 1, it is characterised in that: the magnetic pole (6) has counterbore (65),
Magnetic yoke (21) has screw hole (222), and fastening bolt (62) passes through the counterbore and is screwed into screw hole realization magnetic pole in magnetic yoke (21) bottom
Fixed, the fastening bolt (62) is cased with lock washer (63).
7. linear eddy-current brake device according to claim 1, it is characterised in that: the top of the stiffening plate (26), under
Portion is respectively fixed with lever pin sleeve A(261) and lever pin sleeve B(262), there is at lever assembly (4) center lever bushing,
Lever pin shaft (41), which passes through lever pin sleeve A261, lever bushing and lever pin sleeve B262 and is rotationally connected with lever assembly, to be added
Strong plate 26, thus realize the hinged of lever assembly and supporting beam component, the lever shaft guide A above the stiffening plate (26)
(261) there is a card slot, card slot realization is caught in the anticreep of lever pin shaft (41) by retaining ring (42).
8. linear eddy-current brake device according to claim 2, it is characterised in that: the inner end of the rod assembly (3) is logical
The outer end for crossing stay rod pin (31) and lever assembly (4) is rotatablely connected, and the lower end of the stay rod pin (31) is cased with plain washer (32) simultaneously
It is fastened by self-locking nut (33).
9. linear eddy-current brake device according to claim 1, it is characterised in that: also have and be fixed on cover board (23)
Electrical cnnector socket (7).
10. a kind of magnetic suspension train, it is characterised in that: have the described in any item linear eddy-current brake devices of claim 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910752178.4A CN110466357A (en) | 2019-08-15 | 2019-08-15 | A kind of linear eddy-current brake device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910752178.4A CN110466357A (en) | 2019-08-15 | 2019-08-15 | A kind of linear eddy-current brake device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110466357A true CN110466357A (en) | 2019-11-19 |
Family
ID=68511740
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910752178.4A Pending CN110466357A (en) | 2019-08-15 | 2019-08-15 | A kind of linear eddy-current brake device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110466357A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0739801A1 (en) * | 1995-04-28 | 1996-10-30 | Knorr-Bremse Systeme für Schienenfahrzeuge GmbH | Magnetic brake, especially linear eddy current brake |
| CN102556100A (en) * | 2010-11-22 | 2012-07-11 | 阿尔斯通运输股份有限公司 | Rail vehicle bogie including eddy-current braking device |
| CN103717473A (en) * | 2011-07-28 | 2014-04-09 | 克诺尔-布里姆斯股份有限公司 | Device for applying at least one electrical pulse to at least one electrical coil of a track brake of a rail vehicle |
| CN107859700A (en) * | 2016-09-22 | 2018-03-30 | 李启飞 | Linear magnetic retarder |
| CN208285196U (en) * | 2018-06-21 | 2018-12-25 | 中车青岛四方车辆研究所有限公司 | Eddy-current brake |
| CN109256917A (en) * | 2018-10-16 | 2019-01-22 | 南京中车浦镇海泰制动设备有限公司 | The manufacturing process of linear eddy-current brake device braking field structure |
| CN109300649A (en) * | 2018-11-15 | 2019-02-01 | 中国铁路总公司 | Linear eddy-current brake electromagnet for rail vehicle |
| CN109412381A (en) * | 2018-12-20 | 2019-03-01 | 中国铁道科学研究院集团有限公司 | Linear eddy-current brake device |
-
2019
- 2019-08-15 CN CN201910752178.4A patent/CN110466357A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0739801A1 (en) * | 1995-04-28 | 1996-10-30 | Knorr-Bremse Systeme für Schienenfahrzeuge GmbH | Magnetic brake, especially linear eddy current brake |
| CN102556100A (en) * | 2010-11-22 | 2012-07-11 | 阿尔斯通运输股份有限公司 | Rail vehicle bogie including eddy-current braking device |
| CN103717473A (en) * | 2011-07-28 | 2014-04-09 | 克诺尔-布里姆斯股份有限公司 | Device for applying at least one electrical pulse to at least one electrical coil of a track brake of a rail vehicle |
| CN107859700A (en) * | 2016-09-22 | 2018-03-30 | 李启飞 | Linear magnetic retarder |
| CN208285196U (en) * | 2018-06-21 | 2018-12-25 | 中车青岛四方车辆研究所有限公司 | Eddy-current brake |
| CN109256917A (en) * | 2018-10-16 | 2019-01-22 | 南京中车浦镇海泰制动设备有限公司 | The manufacturing process of linear eddy-current brake device braking field structure |
| CN109300649A (en) * | 2018-11-15 | 2019-02-01 | 中国铁路总公司 | Linear eddy-current brake electromagnet for rail vehicle |
| CN109412381A (en) * | 2018-12-20 | 2019-03-01 | 中国铁道科学研究院集团有限公司 | Linear eddy-current brake device |
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| PB01 | Publication | ||
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| SE01 | Entry into force of request for substantive examination | ||
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20191119 |
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| RJ01 | Rejection of invention patent application after publication |