CN201553160U - Permanent-magnetic track brake - Google Patents
Permanent-magnetic track brake Download PDFInfo
- Publication number
- CN201553160U CN201553160U CN2009202568502U CN200920256850U CN201553160U CN 201553160 U CN201553160 U CN 201553160U CN 2009202568502 U CN2009202568502 U CN 2009202568502U CN 200920256850 U CN200920256850 U CN 200920256850U CN 201553160 U CN201553160 U CN 201553160U
- Authority
- CN
- China
- Prior art keywords
- permanent
- permanent magnet
- braking
- magnetic
- pole shoe
- 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.)
- Expired - Fee Related
Links
Images
Landscapes
- Dynamo-Electric Clutches, Dynamo-Electric Brakes (AREA)
Abstract
The utility model discloses a permanent-magnetic track brake. An even number of permanent-magnetic bodies are arranged on the external circle of a permanent-magnetic shaft, N poles and S poles of the permanent-magnetic bodies are sequentially and alternately arranged along the axial direction of the permanent-magnetic shaft with reverse polarities at intervals, the permanent-magnetic bodies with same polarities are symmetrically arranged along the center axis of the permanent-magnetic shaft at intervals, and partition boards are arranged in transverse and longitudinal clearance positions of the N poles and the S poles of the permanent bodies. Both sides of pole terminals are symmetrically and fixedly arranged close to the permanent-magnetic bodies. The pole terminals correspond to the N poles and S poles of the permanent-magnetic bodies in the axial direction of the permanent-magnetic shaft, and have same length and same number as those of the permanent-magnetic bodies. The partition boards extend to the clearance parts of the contiguous pole terminals. Vortex braking and friction braking are realized according to different running speeds of the track vehicle, so that the utility model avoids the abrasion of the pole terminals and the track, realizes braking and prolongs the service life of the pole terminals. The braking effect is improved, the strength of the braking force is changed by controlling the rotating angle of the permanent-magnetic shaft, and the safe and stable braking of the track vehicle is realized.
Description
Technical field
The utility model relates to a kind of magnetic rail brake device of railroad train vehicle, realizes railroad train vehicle braked or releasing.
Background technology
In guideway vehicle, adopt jointly controlling of multiple brake mode, can greatly ensure the traffic safety of high-speed track vehicle.The current rail passenger vehicle is generally promoted the use of disc brake, compares the fire damage degree that has alleviated wheel tread with tread brake.But as a kind of adhesion braking, the braking force that disc brake produced still is subjected to the restriction of the condition of adhering.Although can utilize anti-skid device to make braking force approach the adhesion limit, yet when needs further improve train running speed, just must be to revise the demand that the stopping distance that prolongs in the specification satisfies the vehicle speed-raising, so, when quasi high-speed, high speed railway of development and new city guideway vehicle, can take into account naturally and adopt other non-adhesion braking mode as assisting emergency brake system.
Electromagnetic rail brake is a kind of novel brake mode that grows up nearly decades as a kind of non-adhesion braking mode, because of its principle is simple, no friction all obtains in different fields to use with high reliability.It comprises electromagnetic path braking and two kinds of forms of tracks of permanent magnetism braking, wherein tracks of permanent magnetism braking with its not consumed energy, non-maintaining, the high speed deceleration and stopping performance is good etc., and advantage has obtained attention widely, the tracks of permanent magnetism brake application does not influence the train adhesion when train simultaneously, braking characteristics is smooth when train operation is between high velocity, braking force is big, thereby becomes a kind of in the high speed train Associated brake mode.
The tracks of permanent magnetism braking is with respect to the essential distinction of electromagnetic path braking: except the beginning glancing impact need provide the energy that drives the tracks of permanent magnetism drg, in case braking, the tracks of permanent magnetism braking no longer needs extra power.Therefore, in the emergency braking process, do not need storage battery that energy is provided.When train steady, braking will be effective, and can keep for a long time under the situation of no external energy supply; Anti-slide braking when therefore it can be used for train and stops, and can replace hand braking on the train, thus can simplify the train braking structure, reduce the quantity of required parts, and help to realize the lightweight of train.In addition, because electromagnetic rail brake belongs to non-adhesion braking, so the braking force of its generation is not only irrelevant with adhesion factor, and because the suction between permanent magnet and the track, can improve the tacky state between wheel track on the contrary, improve adhesion factor, thereby strengthen adhesion braking power.
Known its version of tracks of permanent magnetism drg is mainly permanent magnet direction along ng a path linear rank at present, links to each other with the train bogie truck with hydraulic actuating cylinder.When not working, drg is suspended on the bogie truck below, with the track apart from each other; When the needs glancing impact, cylinder pushes drg and track fit, and rely on the friction between track and permanent magnet to realize braking.The defective of this kind structure and mode of operation is: the braking force size is wayward, high speed glancing impact permanent magnet and track serious wear, and fricative temperature is too high, and permanent magnet is easy to generate the demagnetization phenomenon.
Summary of the invention
The purpose of this utility model is the permanent magnet track brake that the too small deficiency of eddy current brake power provides a kind of good braking effect when overcoming permanent magnet and track serious wear in the above-mentioned prior art, train low speed.
The technical solution adopted in the utility model is: comprise supporting structure, hydraulic actuating cylinder, permanent magnetism axle, permanent magnetism axle outer ring is provided with permanent magnet, the number of permanent magnet is an even number, the N of permanent magnet and the S utmost point are along the axial polarity of permanent magnetism axle on the contrary, alternately arrange successively at interval, the identical permanent magnet of polarity all is provided with dividing plate along the center shaft of permanent magnetism axle symmetric arrangement at interval at the horizontal and vertical interstitial site place of the N of the permanent magnet utmost point and the S utmost point; Pole shoe bilateral symmetry ground fixedly installs near permanent magnet, pole shoe the permanent magnetism axle axially on corresponding with the position of the N utmost point of permanent magnet and the S utmost point, length is consistent and number is identical with the permanent magnet number, dividing plate extends to the gap location of adjacent pole shoe
The beneficial effects of the utility model are:
1, the utility model is realized eddy current brake and friction braking according to the different running velocity of guideway vehicle, adopt pole shoe and the eddy current brake of track contactless type at the high speed glancing impact, avoid the wearing and tearing of pole shoe and track, prolonged the service life of pole shoe when realizing braking.The low speed glancing impact is braked by contact friction, and the too small shortcoming of eddy current brake power in the time of can avoiding train low speed reduces the stopping distance of guideway vehicle, prolongs the service life of other primary brake system, has improved braking effect, guarantees high-speed track vehicle safe driving.
2, by the anglec of rotation of control permanent magnetism axle, regulate the lock torque of output, can change the size of braking force, realize the safety and steady of guideway vehicle braking.
Description of drawings
Fig. 1 is the three-dimensional structure diagram of the utility model permanent magnet track brake.
Fig. 2 is that the magnetic pole on the permanent magnetism axle 6 is arranged and dividing plate 10 layout scheme drawings among Fig. 1.
Fig. 3 is that enlarged diagram is formed in the cross section of permanent magnet 7 among Fig. 1.
Fig. 4 is side plate 1, pole shoe 9 and dividing plate 10 link figure.
Among the figure: 1. side plate; 2. flange; 3. top board; 4. end cap; 5. air cylinder; 6. permanent magnetism axle; 7. permanent magnet; The end every; 9. pole shoe; 10. dividing plate; 11. ventilation slot; 12. groove.
The specific embodiment
As Figure 1-3, permanent magnet track brake has a permanent magnetism axle 6, the permanent magnet 7 that number is an even number is set in permanent magnetism axle 6 outer rings, the cross sectional shape of permanent magnet 7 is by the microscler one-tenth of camber line chord less than semicircle, the N of permanent magnet 7 and the S utmost point along the axial polarity of permanent magnetism axle 6 on the contrary, alternately arrange at interval successively, the permanent magnet 7 that polarity is identical is along the center shaft of permanent magnetism axle 6 symmetric arrangement at interval.Horizontal and vertical interstitial site place at the N of permanent magnet 7 utmost point and the S utmost point all is provided with dividing plate 10, and dividing plate 10 usefulness non-magnet materials are made, and with permanent magnet 7 closed contacts.The transverse cross-sectional combinations circle of the cross-sectional plane of dividing plate 10 and permanent magnet 7.
By the end of the end cap 4 at the top cover 3 of top, two ends, bottom every 8 and both sides side plate 1 form the supporting structure of drg, top cover 3, end cap 4 and side plate 1 are all made with non-magnet material, therefore, this supporting structure both can be used for fixedly permanent magnetism axle 6, also can prevent the leakage field of permanent magnet 7.Wherein, equal fixing end cap 4 at the two ends of top cover 3 is provided with hydraulic actuating cylinder 5 in end cap 4, and hydraulic actuating cylinder 5 drives permanent magnetism axons 6 and rotates, and also can prevent the end float misalignment of permanent magnetism axle 6 simultaneously.Top cover 3 is positioned at the top of drg, and flange 2 is fixed on the top cover 3, and drg is connected with the train bogie truck by this flange 2.
As Fig. 1,4, the both sides of permanent magnet 7 all fixedly install pole shoe 9, and pole shoe 9 is symmetrically near permanent magnet 7, pole shoe 9 permanent magnetism axle 6 axially on corresponding with the position of the N utmost point of permanent magnet 7 and the S utmost point, length is consistent, and total number of pole shoe 9 is identical with total number of the permanent magnet 7N utmost point and the S utmost point.Be provided with ventilation slot 11 in the side of pole shoe 9, the gap location that dividing plate 10 extends to adjacent pole shoe 10 is separated two neighboring pole boots 9, and with pole shoe 9 closed contacts.The edge is perpendicular on the train rail direction, the height of dividing plate 10 is lower than the height of pole shoe 9, thereby two neighboring pole boots 9 and dividing plate 10 form groove 12 at gap location, and the effect of ventilation slot 11 is heat radiations of strengthening glancing impact pole shoe 9, avoids the long issuable demagnetization phenomenon of braking time; Groove 12 can avoid the fine particle on the track to hinder the applying of track and pole shoe 9, influences the friction braking effect.Pole shoe 9 is used for contacting with train rail, because pole shoe 10 contacts wearing and tearing easily with rail, for convenient disassembly, is convenient to change, and pole shoe 10 is fixed on the lower position of side plate 1.
During the utility model work, when permanent magnetism axle 6 rotates, realize magnetic field and interorbital closure or separation, thereby realize the braking or the releasing of magnetic rail brake device.The driver is according to the operation conditions of track train, when needs carry out glancing impact, thereby by hydraulic efficiency gear magnetic rail brake device being descended makes pole shoe 9 press close to mutually with track, pole shoe 9 is close with track but does not contact, control permanent magnetism axle 6 rotates to control position, permanent magnet 7 magnetizes pole shoes 9 at this moment, make and form closed magnetic line of force between adjacent pole shoe 9 and train rail, if pole shoe 9 is not fitted with track, because track is done the relative motion of cutting magnetic line, thereby go out current vortex at raceway surface and along transversal surface certain depth internal induction, magnetic field can produce the resistance that stops its relative motion to charged track, be that mutual action produces braking force between pole shoe 9 and the track, realize the non-contact turbulent flow braking.After the speed of a motor vehicle reduced, pole shoe 9 contacted with track under the effect of drg magnetic field suction and fits, and then magnetic field makes pole shoe 9 and track adhesive mutually, realized the friction-type braking of train between the two by friction drag.The anglec of rotation of control permanent magnetism axle 6, the size that then can regulate magnetic field, thereby the adjusting of realization braking force size.
Claims (5)
1. permanent magnet track brake, comprise supporting structure, hydraulic actuating cylinder (5), permanent magnetism axle (6), permanent magnetism axle (6) outer ring is provided with permanent magnet (7), it is characterized in that: the number of permanent magnet (7) is an even number, the N of permanent magnet (7) and the S utmost point are along the axial polarity of permanent magnetism axle (6) on the contrary, alternately arrange successively at interval, the permanent magnet that polarity is identical (7) all is provided with dividing plate (10) along the center shaft interval symmetric arrangement of permanent magnetism axle (6) at the N utmost point of permanent magnet (7) and the horizontal and vertical interstitial site place of the S utmost point; Pole shoe (9) bilateral symmetry ground fixedly installs near permanent magnet (7), pole shoe (9) permanent magnetism axle (6) axially go up and the position of the N utmost point of permanent magnet (7) and the S utmost point is corresponding, length is consistent and number is identical with permanent magnet (7) number, dividing plate (10) extends to the gap location of adjacent pole shoe (9).
2. a kind of permanent magnet track brake according to claim 1 is characterized in that: the cross sectional shape of permanent magnet (7) is by the microscler one-tenth of camber line chord less than semicircle, the transverse cross-sectional combinations circle of the cross-sectional plane of dividing plate (10) and permanent magnet (7).
3. a kind of permanent magnet track brake according to claim 1, it is characterized in that: described supporting structure was made up of every (8) and both sides side plate (1) the top cover (3) of top, the end cap (4) at two ends, the end of bottom, the two ends of top cover (3) are fixing end cap (4) all, and hydraulic actuating cylinder (5) is set in the end cap (4).
4. a kind of permanent magnet track brake according to claim 1 is characterized in that: pole shoe (9) side is provided with ventilation slot (11), and two neighboring pole boots (9) and dividing plate (10) have groove (12) at gap location.
5. a kind of permanent magnet track brake according to claim 3 is characterized in that: pole shoe (9) is fixed on side plate (1) bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202568502U CN201553160U (en) | 2009-11-05 | 2009-11-05 | Permanent-magnetic track brake |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202568502U CN201553160U (en) | 2009-11-05 | 2009-11-05 | Permanent-magnetic track brake |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201553160U true CN201553160U (en) | 2010-08-18 |
Family
ID=42612836
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202568502U Expired - Fee Related CN201553160U (en) | 2009-11-05 | 2009-11-05 | Permanent-magnetic track brake |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201553160U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102923160A (en) * | 2012-11-19 | 2013-02-13 | 江苏大学 | Magnetic track breaker with composite working of permanent magnet and electromagnet |
| CN102967474A (en) * | 2012-11-05 | 2013-03-13 | 中国科学院力学研究所 | High speed train model experiment platform |
| CN103693070A (en) * | 2013-12-20 | 2014-04-02 | 江苏大学 | Uniform type braking force balancing device and method of magnetic track brakes on both sides of rail train |
| CN104002832A (en) * | 2014-06-10 | 2014-08-27 | 青岛四方车辆研究所有限公司 | Partition board for magnetic rail brake |
-
2009
- 2009-11-05 CN CN2009202568502U patent/CN201553160U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102967474A (en) * | 2012-11-05 | 2013-03-13 | 中国科学院力学研究所 | High speed train model experiment platform |
| CN102967474B (en) * | 2012-11-05 | 2015-10-07 | 中国科学院力学研究所 | A kind of High Speed Train Models experiment porch |
| CN102923160A (en) * | 2012-11-19 | 2013-02-13 | 江苏大学 | Magnetic track breaker with composite working of permanent magnet and electromagnet |
| CN102923160B (en) * | 2012-11-19 | 2015-02-04 | 江苏大学 | Magnetic track breaker with composite working of permanent magnet and electromagnet |
| CN103693070A (en) * | 2013-12-20 | 2014-04-02 | 江苏大学 | Uniform type braking force balancing device and method of magnetic track brakes on both sides of rail train |
| CN103693070B (en) * | 2013-12-20 | 2016-04-06 | 江苏大学 | A kind of all formula track train both sides magnetic rail brake device brake-force balance device and methods |
| CN104002832A (en) * | 2014-06-10 | 2014-08-27 | 青岛四方车辆研究所有限公司 | Partition board for magnetic rail brake |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105292134B (en) | A kind of straight drive sit-astride gearless single rail bogie | |
| CN101708728B (en) | Permanent magnet track brake | |
| CN102979837B (en) | Permanent magnet disc brake and braking method thereof | |
| CN202038320U (en) | Linear type permanent magnet track brake | |
| CN201553160U (en) | Permanent-magnetic track brake | |
| CN102150351A (en) | Linear permanent magnet driving system and permanent magnet driving and magnetic suspension roadway system | |
| CN201021149Y (en) | Permanent magnetic force vehicle | |
| WO2019114395A1 (en) | Sub-vacuum maglev supersonic train model experimental platform | |
| CN209426579U (en) | Novel suspending promotes two-in-one magnetic suspension system | |
| CN111942162B (en) | Magnetic suspension automobile | |
| CN104742931B (en) | A kind of bullet train non-adhesion braking device and its control method | |
| CN102167056B (en) | Linear permanent magnetic rail brake | |
| CN204452449U (en) | A kind of track train bogie truck | |
| CN101190659B (en) | Permanent magnetic force vehicle | |
| CN105253163B (en) | A kind of aerodynamic brake of bullet train | |
| CN104943707A (en) | Straddle-type monorail train and bogie thereof | |
| CN102923160B (en) | Magnetic track breaker with composite working of permanent magnet and electromagnet | |
| CN207860000U (en) | A kind of magnetic levitation vehicle | |
| CN102101445A (en) | Comb-groove-shaped magnetic suspension mechanism and train system thereof | |
| CN206416877U (en) | A kind of novel magnetically levitated rail system | |
| CN101508302A (en) | Semi-magnetic suspension type vehicle | |
| CN202163447U (en) | Rim type guiding system for railway transport vehicle | |
| CN208057759U (en) | A kind of drum-type dual rotor electromagnetic friction integrated arrestor | |
| CN2907065Y (en) | Induction plate for linear motor system | |
| JP6652909B2 (en) | Railway vehicles, automobiles and transportation systems |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100818 Termination date: 20101105 |