CN102951172B - Boosting device of lateral slide type magnetic track brake - Google Patents
Boosting device of lateral slide type magnetic track brake Download PDFInfo
- Publication number
- CN102951172B CN102951172B CN201210455461.9A CN201210455461A CN102951172B CN 102951172 B CN102951172 B CN 102951172B CN 201210455461 A CN201210455461 A CN 201210455461A CN 102951172 B CN102951172 B CN 102951172B
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- China
- Prior art keywords
- brake
- rail
- boss structure
- face
- pole shoe
- Prior art date
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- Expired - Fee Related
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Abstract
The invention discloses a boosting device of a lateral slide type magnetic track brake for service braking of a railway vehicle. The bottom of a pole shoe is of a boss structure of which the cross width is less than that of a steel rail; a brake slide block is respectively arranged on each of the two cross sides of the boss structure; a baffle plate is respectively and fixedly arranged at each of the two ends of a positioning shaft; the positioning shaft penetrates through holes in the two brake slide blocks and the boss structure and is fixed with the boss structure; a compression spring is sleeved on the positioning shaft between the baffle plate and the brake slide block which are on the same side; the brake slide block can slide in the axial direction of the positioning shaft; the bottom surface of the brake slide block is lower than that of the boss structure; and an arc guide rail groove is formed in the bottom of the brake slide block and is matched with transition curve surfaces of the two sides of the top surface of the steel rail. When the bottom surface of the boss structure is contacted with the middle of the top surface of the steel rail, the arc guide rail groove is tightly stuck to the transition curve surfaces of the two sides of the top surface of the steel rail, so that the contact area between the pole shoe and the steel rail can be increased, the brake force is effectively increased, and the brake performance of the magnetic track brake is improved.
Description
Technical field
The invention belongs to guideway vehicle service brake field, increase the step-up system of braking force particular by the friction force increased between the pole shoe of magnetic rail brake device and rail
.
Background technology
Magnetic rail brake device primarily of formations such as brake beam, suspension and jacking system, magnet, pole shoes, as number of patent application be 201210408048.7, name is called drg as described in " a kind of electromagnetic magnetic rail brake ".The principle of work of electromagnetic rail brake is: the pole shoe of drg under magnetic action, and because relative motion produces friction drag between rail, realizes brake snub.
The cross section of rail is I shape, plane in the middle of its end face, but the end face left and right sides is the fillet surface be connected with side, the bottom of pole shoe is flat-bottom structure, during pole shoe braking, only middle with rail surface flat face touches, and does not contact with the curved surface of the rail surface left and right sides, this just causes the area of contact of pole shoe and rail limited, and then causes deceleration and stopping performance not to be not fully exerted.
Summary of the invention
The object of the invention is for existing magnetic rail brake device when braking because the area of contact of pole shoe and rail is limited, the defect that deceleration and stopping performance is not fully exerted and provide a kind of structure simply, dependable performance, the sideslip type magnetic rail brake device step-up system of braking force can be improved.
The technical solution used in the present invention is: comprise the pole shoe be positioned at directly over rail surface, it is the boss structure that transverse width is less than rail transverse width bottom pole shoe, in the both lateral sides of boss structure, a brake silpper is respectively set, the two ends of fix shaft are respectively fixedly connected with a baffle plate, and fix shaft is through the hole on two brake silppers and boss structure, and fix with boss structure, fix shaft between the baffle plate and brake silpper of homonymy overlaps and has holddown spring, brake silpper can in the axially slip of fix shaft; The bottom surface of brake silpper is lower than the bottom surface of boss structure, and arrange an arc-shaped guide rail groove in the bottom of brake silpper, the fillet surface of this arc-shaped guide rail groove and rail surface both sides matches; In the end face of boss structure bottom surface and rail during Contact, the fillet surface of described arc-shaped guide rail groove and described rail surface both sides fits tightly.
The present invention when do not affect train normally travel, do not change magnetic rail brake device agent structure and operating voltage, the area of contact of pole shoe and rail can be increased, thus effectively increase magnetic rail brake device and interorbital friction force, thus increase braking force, improve magnetic rail brake device deceleration and stopping performance.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the present invention is described in further detail:
Fig. 1 is structure cutaway view of the present invention and scheme of installation thereof;
Fig. 2 is the upward view after removing rail 6 in Fig. 1;
In figure: 1-pole shoe; 2-holddown spring; 3-brake silpper; 4-fix shaft; 5-baffle plate; 6-rail; 7-boss structure; 8-arc-shaped guide rail groove.
Detailed description of the invention
As shown in Figure 1, the pole shoe 1 of magnetic rail brake device is positioned at directly over rail 6 end face, it is boss structure 7 bottom pole shoe 1, the bottom surface of boss structure 7 and the end face median surface of rail 6 are two corresponding contact leveies, the end face both sides of rail 6 are curved surfaces of transition, and the transverse width of boss structure 7 is less than the transverse width of rail 6.
Respectively arrange a brake silpper 3 in the both lateral sides of boss structure 7, fix shaft 4 is simultaneously through the hole on two brake silppers 3 and boss structure 7, and the two ends of fix shaft 4 are stretched out outside the hole of brake silpper 3, and the two ends of fix shaft 4 are respectively fixedly connected with a baffle plate 5.Between the baffle plate 5 and brake silpper 3 of homonymy, on fix shaft 4, cover has holddown spring 2, and holddown spring 2 two ends are pressed against on baffle plate 5 and brake silpper 3 respectively.Brake silpper 3 in the axially slip of fix shaft 4, in slip place, can be provided with the guide-track groove being beneficial to slip on brake silpper 3 or boss structure 7.Holddown spring 2 makes two brake silppers 3 be close to the both lateral sides of boss structure 7.
The bottom surface of brake silpper 3 is lower than the bottom surface of boss structure 7, one arc-shaped guide rail groove 8 is set in the bottom of brake silpper 3, this arc-shaped guide rail groove 8 matches with the fillet surface of rail 6 end face both sides, the radius of curvature of arc-shaped guide rail groove 8 is identical with the radius of curvature of the fillet surface of rail 6 end face both sides, like this, during braking, when in boss structure 7 bottom surface of pole shoe 1 and the end face of rail 6 during Contact, under the effect of holddown spring 2, together with the arc-shaped guide rail groove 8 of brake silpper 3 fits tightly with the fillet surface of the end face both sides of rail 6, binding face is made also to become drag friction contact surface, increase the area of contact of pole shoe 1 and rail 6, add braking force.Boss structure 7 part of pole shoe 1 is main brake portion, and two brake silppers 3 are auxiliary braking parts.
As shown in Figure 2, in the longitudinal direction of rail 6, two fix shafts 4 are at least installed, namely at least to install four holddown springs 2 equal with the distance of 5, two, at least four baffle plates between fix shaft 4 with rail 6, be i.e. horizontal parallel mutually.
When magnetic rail brake device is braked on straight track, the boss structure 7 of pole shoe 1 and two brake silppers 3 are fitted with the whole end face of rail 6, thus increase pole shoe 1 and the area of contact of rail 6, improve the braking force of drg; Boss structure 7 part of pole shoe 1 is main brake portion, and two brake silppers 3 are auxiliary braking parts.Fix shaft 4 limits the longitudinal movement of brake silpper 3, and the braking force transmitting brake silpper 3 is to magnetic rail brake device.
Brake when magnetic rail brake device is at uneven track or turnout, arc-shaped guide rail groove 8 does not fit with the fillet surface of rail 6 end face both sides, and brake silpper 3 is pushed to outside by the application force from rail 6; Brake silpper 3 all has the guide-track groove of chamfer along the longitudinal both ends of the surface of rail 6, brake silpper block 3 can be made to contact with rail 6 and outwards promoted by rail 6 when may move interference and eliminate this to interfere.
When magnetic rail brake device terminates braking, to be risen magnetic rail brake device by jacking system, pole shoe 1 rises, and brake silpper 3 rises with pole shoe 1, is separated with rail 6, not by the application force of rail 6, only under the effect of holddown spring 2, fits with the both sides of pole shoe 1 boss structure 7.
Claims (2)
1. a sideslip type magnetic rail brake device step-up system, comprise the pole shoe (1) be positioned at directly over rail (6) end face, pole shoe (1) bottom is the boss structure (7) that transverse width is less than rail (6) transverse width, it is characterized in that: in the both lateral sides of boss structure (7), a brake silpper (3) is respectively set, fix shaft (4) is fixed through the Kong Bingyu boss structure (7) on two brake silppers (3) and boss structure (7), the two ends of fix shaft (4) are respectively fixedly connected with a baffle plate (5), the upper cover of fix shaft (4) between the baffle plate (5) and brake silpper (3) of homonymy has holddown spring (2), brake silpper (3) can in the axially slip of fix shaft (4), the bottom surface of brake silpper (3), lower than the bottom surface of boss structure (7), arranges an arc-shaped guide rail groove (8) in the bottom of brake silpper (3), this arc-shaped guide rail groove (8) matches with the fillet surface of rail (6) end face both sides, in the end face of boss structure (7) bottom surface and rail (6) during Contact, described arc-shaped guide rail groove (8) fits tightly with the fillet surface of described rail (6) end face both sides.
2. a kind of sideslip type magnetic rail brake device step-up system according to claim 1, it is characterized in that: in the longitudinal direction of rail (6), have the fix shaft (4) that two are contour and parallel relative to rail (6) end face at least, and the brake silpper matched (3), holddown spring (2), baffle plate (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210455461.9A CN102951172B (en) | 2012-11-14 | 2012-11-14 | Boosting device of lateral slide type magnetic track brake |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210455461.9A CN102951172B (en) | 2012-11-14 | 2012-11-14 | Boosting device of lateral slide type magnetic track brake |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102951172A CN102951172A (en) | 2013-03-06 |
| CN102951172B true CN102951172B (en) | 2015-03-04 |
Family
ID=47760704
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210455461.9A Expired - Fee Related CN102951172B (en) | 2012-11-14 | 2012-11-14 | Boosting device of lateral slide type magnetic track brake |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102951172B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2165356A1 (en) * | 1994-12-16 | 1996-06-17 | Bart Van Der Sloot | Magnetic rail brake device |
| CN2524995Y (en) * | 2002-01-28 | 2002-12-11 | 湘潭电机股份有限公司 | Electromagnetic rail brake for light rail electric car |
| NL1022885C2 (en) * | 2003-03-10 | 2004-09-13 | Walker Europ Holding B V | Electrically operated magnetic rail brake device, as well as device movable along one or more rails, provided with a rail brake device. |
| CN2839056Y (en) * | 2005-10-27 | 2006-11-22 | 黄铭清 | Emergency auxiliary brake device for rail vehicle |
| CN102167056A (en) * | 2011-04-07 | 2011-08-31 | 江苏大学 | Linear permanent magnetic rail brake |
| CN102556102A (en) * | 2012-01-17 | 2012-07-11 | 江苏大学 | Electromagnetic magnetic rail brake and control method thereof |
-
2012
- 2012-11-14 CN CN201210455461.9A patent/CN102951172B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2165356A1 (en) * | 1994-12-16 | 1996-06-17 | Bart Van Der Sloot | Magnetic rail brake device |
| CN2524995Y (en) * | 2002-01-28 | 2002-12-11 | 湘潭电机股份有限公司 | Electromagnetic rail brake for light rail electric car |
| NL1022885C2 (en) * | 2003-03-10 | 2004-09-13 | Walker Europ Holding B V | Electrically operated magnetic rail brake device, as well as device movable along one or more rails, provided with a rail brake device. |
| CN2839056Y (en) * | 2005-10-27 | 2006-11-22 | 黄铭清 | Emergency auxiliary brake device for rail vehicle |
| CN102167056A (en) * | 2011-04-07 | 2011-08-31 | 江苏大学 | Linear permanent magnetic rail brake |
| CN102556102A (en) * | 2012-01-17 | 2012-07-11 | 江苏大学 | Electromagnetic magnetic rail brake and control method thereof |
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| Publication number | Publication date |
|---|---|
| CN102951172A (en) | 2013-03-06 |
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| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150304 Termination date: 20151114 |
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| EXPY | Termination of patent right or utility model |