CN209972454U - Magnetic track brake and suspension device thereof - Google Patents
Magnetic track brake and suspension device thereof Download PDFInfo
- Publication number
- CN209972454U CN209972454U CN201920318725.3U CN201920318725U CN209972454U CN 209972454 U CN209972454 U CN 209972454U CN 201920318725 U CN201920318725 U CN 201920318725U CN 209972454 U CN209972454 U CN 209972454U
- Authority
- CN
- China
- Prior art keywords
- sleeve
- seat
- end part
- suspension
- joint
- 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.)
- Active
Links
Images
Landscapes
- Braking Arrangements (AREA)
Abstract
The utility model relates to a magnetic track brake and linkage thereof belongs to rail vehicle technical field. The suspension device comprises a suspension sleeve seat, a suspension rod, a return spring and a limit sleeve seat; the suspender comprises an upper suspender seat and a lower connecting suspender; the upper lifting rod seat comprises an upper stop limiting end part and a sleeve part which extends downwards from the upper stop limiting end part; the inner hole of the sleeve part is an inner screw hole; the outer peripheral surface of the lower end part of the sleeve part is provided with an external thread matched with the screw hole on the limiting sleeve seat; the upper end part of the lower connecting suspender is a screw part matched with the inner screw hole; the reset spring and the suspension sleeve seat are sleeved outside the sleeve part, and the reset spring is positioned between the upper stop limiting end part and the suspension sleeve seat. Based on the suspension device after the structural improvement, the gap between the sliding shoe and the magnetic track can be conveniently adjusted, meanwhile, the suspension device can be conveniently installed on a vehicle, and can be widely applied to the manufacturing field of rail vehicles and the like.
Description
Technical Field
The utility model relates to an equipment for rail vehicle, specifically speaking relates to a linkage and with the magnetic track stopper that this linkage found.
Background
The emergency braking deceleration of the low-floor light rail vehicle is higher than that of the common rail vehicle, and in order to achieve the target deceleration, a non-adhesion braking mode, namely magnetic rail braking, is required to be adopted as an auxiliary braking mode of the emergency braking.
According to the introduction of the research on the electromagnetic rail brake device (18 th volume, 1 st phase) published in the paper of Chinese railway science in the journal, the structure of the electromagnetic rail brake mainly comprises a strip-shaped electromagnet which is positioned between two wheels on the same side and is hung over a steel rail, and when the electromagnetic rail brake is used for braking, the electromagnet is adsorbed on the surface of the steel rail based on strong magnetic attraction so as to brake by using the friction force between the electromagnet and the steel rail to decelerate; and the kinetic energy of the train is converted into heat energy to be dissipated to the atmosphere.
The magnetic track brake generally includes a suspension bracket, an automatic electromagnet suspended on the suspension bracket, and a suspension device for suspending both ends of the suspension bracket on the bogie respectively; the suspension device comprises a suspension sleeve seat sleeved on a shaft hole of the rotating frame, a suspender sleeved in a seat hole of the suspension sleeve seat, a return spring sleeved outside the suspender, and a limit sleeve seat screwed on the suspender and abutted against the lower end surface of the shaft hole to limit the return displacement of the suspender; the upper end part of the suspender is a stopping limiting part, the lower end of the reset spring is propped against the upper end surface of the sleeve seat, the upper end of the reset spring is propped against the stopping limiting part, and the elastic restoring force of the reset spring forces the stopping limiting part to move upwards in the vertical direction to be far away from the sleeve seat; the lower end part of the suspension rod passes through the seat hole of the sleeve seat and then is detachably and fixedly connected with the suspension bracket.
In the use process, the excitation coil of the braking electromagnet is electrified, the generated electromagnetic force overcomes the elastic restoring force of the return spring to enable the electromagnet to be adsorbed to the steel rail to realize braking, and after the electricity is cut off, the electromagnetic force is reset by the elastic restoring force of the return spring to be separated, so that the steel rail is not collided in the non-braking state.
However, in the use process, when the gap between the magnetic track brake and the top surface of the steel rail is increased due to the abrasion of the sliding shoes, the braking effect is influenced; in the installation process, the length of the hanging rod is too long to facilitate the hanging rod to be installed on the rotating frame and the subsequent installation of other parts; furthermore, it is generally secured against loosening by means of thread deformation, which is disadvantageous for repeated use after adjustment.
SUMMERY OF THE UTILITY MODEL
The utility model mainly aims at providing a suspension device of a magnetic track brake, which is convenient for adjusting the clearance between a sliding shoe and a magnetic track and simultaneously is convenient for installing the sliding shoe on a vehicle;
another object of the present invention is to provide a magnetic track brake constructed with the suspension device.
In order to achieve the main purpose, the suspension device for the magnetic track brake provided by the utility model comprises a suspension sleeve seat, a suspension rod, a return spring and a limit sleeve seat; the suspender comprises an upper suspender seat and a lower connecting suspender; the upper lifting rod seat comprises an upper stop limiting end part and a sleeve part which extends downwards from the upper stop limiting end part; the inner hole of the sleeve part is an inner screw hole; the outer peripheral surface of the lower end part of the sleeve part is provided with an external thread matched with the screw hole on the limiting sleeve seat; the upper end part of the lower connecting suspender is a screw part matched with the inner screw hole; the reset spring and the suspension sleeve seat are sleeved outside the sleeve part, and the reset spring is positioned between the upper stop limiting end part and the suspension sleeve seat.
The suspender is arranged into an upper suspender seat and a lower connecting suspender which are detachably and fixedly connected through a threaded structure, so that when the gap between the sliding shoe and the magnetic track is increased, the height of the lower connecting suspender is adjusted by adjusting the screwing depth of the threaded structure, and the gap between the sliding shoe and the magnetic track is convenient to adjust; meanwhile, in the installation process, the suspension sleeve seat, the upper suspender seat and the reset spring are installed on the corresponding installation shaft holes, then the limiting sleeve seat is screwed, and the lower suspension rod is screwed in according to the suspension height, so that the whole suspension device can be conveniently installed on a vehicle, and the height of the lower suspension rod can be conveniently adjusted in the installation process.
The specific scheme is that a locking nut is screwed on a screw rod part, and a check washer is tightly pressed between the locking nut and the lower end face of a limiting sleeve seat. Through setting up and connecting the screw rod portion complex lock nut on the jib and adding and establishing lock washer, it is lockingly compared with adopting screw thread deformation to carry out among the prior art, can carry out the used repeatedly after the adjustment many times.
The more specific proposal is that the anti-loose washer is a conical anti-loose washer; the lower end part of the inner hole of the limiting sleeve seat is an inner shoulder which is propped against the lower end surface of the sleeve part.
The other more specific proposal is that a joint seat and a joint sleeve are sleeved outside the lower end part of the lower connecting suspension rod, the joint sleeve is positioned above the joint seat and is in spherical surface fit with the joint seat, and a swing gap is reserved between an inner hole of the joint sleeve and the lower connecting suspension rod; a dust cover is sleeved outside the lower connecting suspender and is of a bellows telescopic structure; the upper end part of the bellows telescopic structure is rotatably sleeved and connected with the locking nut, and the lower end part of the bellows telescopic structure is rotatably sleeved and connected with the upper end part of the joint sleeve.
The further proposal is that the peripheral surfaces of the lower end part of the locking nut and the upper end part of the joint sleeve are both concavely provided with annular clamping grooves; the end part of the bellows telescopic structure is a sleeve ring part which is elastically clamped in the annular clamping groove in a sleeved mode, and the sleeve ring part is in clearance fit with the annular clamping groove.
The preferable proposal is that a buffer ring gasket sleeved outside the sleeve part is arranged on the upper end surface of the limit sleeve seat; the upper stop limit end part is an expansion end part structure.
The other preferable scheme is that the lower connecting suspender comprises a lower stopping limit end part, a polished rod part extending upwards from the lower stopping limit end part and a screw rod part extending upwards from the polished rod part; the lower connecting suspender is externally sleeved with a joint seat and a joint sleeve, the joint sleeve is positioned above the joint seat and is in spherical surface fit with the joint seat, and a swing gap is reserved between an inner hole of the joint sleeve and the lower connecting suspender.
More preferably, the rod diameter of the polished rod part is larger than that of the screw rod part; the lower stop limit end part is an expansion end part structure.
In order to achieve the other purpose, the utility model provides a magnetic track brake includes the suspension bracket, linkage and braking electromagnet; the suspension device is the suspension device described in any one of the above technical solutions.
Drawings
Fig. 1 is a schematic structural view of an embodiment of a magnetic track brake of the present invention;
fig. 2 is a front view of a suspension device in an embodiment of a magnetic track brake of the present invention;
fig. 3 is an axial cross-sectional view of a suspension device in an embodiment of a magnetic track brake of the present invention;
fig. 4 is an assembly view of a suspension assembly in an embodiment of a magnetic track brake according to the present invention.
Detailed Description
The present invention will be further described with reference to the following examples and accompanying drawings.
The main object of the utility model is to improve the structure of the linkage of magnetic track brake, in the following embodiment, mainly carry out the exemplary description to the structure of linkage, refer to the structure of existing product to the structure of suspension bracket and braking electro-magnet in the magnetic track brake and design.
Magnetic track brake embodiments
Referring to fig. 1 to 4, the magnetic track brake 1 of the present invention includes a suspension bracket 10, a suspension device 11, and a braking electromagnet (not shown in the figure), the braking electromagnet is suspended on the suspension bracket 10, and both ends of the suspension bracket 10 are suspended on a bogie mounting support 01 through the suspension device 11, so that the braking electromagnet is arranged between two wheels on the same side and suspended just above the steel rail.
As shown in fig. 2 to 4, the suspension device 11 includes a suspension holder 2, a limit holder 3, a suspension rod 4, a return spring 12, a lock nut 5, a dust cover 6, a joint holder 15, and a joint cover 16.
The body of the suspension sleeve holder 2 is of a ring structure, and the middle part of the outer peripheral surface of the suspension sleeve holder is protruded outwards to form an outer shaft shoulder 20, so that the outer whole ring structure is divided into an upper sleeving part 21 and a lower sleeving part 22 in the axial direction.
The body of the limiting sleeve seat 3 is of a ring structure, the upper end part of an inner hole of the limiting sleeve seat is a screw hole part 30, and the lower end part of the inner hole is protruded inwards along the radial direction to form an inner shoulder 31.
The suspension rod 4 comprises an upper suspension rod seat 7 and a lower connecting suspension rod 8, the upper suspension rod seat 7 comprises an upper stop limit end 70 and a sleeve part 71 extending downwards from the upper stop limit end 70, in this embodiment, the upper suspension rod seat 7 is an integral structure, and the upper stop limit end 70 is an expansion end structure, specifically, it can be welded to the sleeve part 71, or both are formed by processing the same metal block. The inner hole of the sleeve part 71 is an inner screw hole 72, and the outer peripheral surface of the lower end part of the sleeve part 71 is provided with an outer screw thread 73 matched with the screw hole part 30 on the stop sleeve seat 3.
The lower connecting boom 8 includes a lower stopper end 80, a polished rod portion 81 extending upward from the lower stopper end 80, and a screw portion 82 extending upward from the polished rod portion 81. In this embodiment, the rod diameter of the polish rod portion 81 is larger than that of the screw rod portion 82, so that the joint seat 15 and the joint sleeve 16 are sleeved outside the polish rod portion 81 to limit the rod diameter and the rod diameter radially, and the screw rod portion 82 is not damaged in the sleeving process; and a swing clearance exists between the joint sleeve 16 and the screw part 82. In this embodiment, the lower connecting suspension rod 8 is an integral structure, and the lower stop limit end 80 is an expanded end structure, and specifically, may be welded to the polished rod portion 81, or the lower limit end 80, the polished rod portion 81 and the screw portion 82 are formed by processing and molding the same metal block.
In the installation process, the suspension sleeve seat 2 and the return spring 12 are sleeved outside the sleeve pipe part 71 of the upper suspension rod seat 7, the lower end part of the sleeve pipe part 71 passes through the shaft hole 010 of the bogie installation support 01, then the lower end part of the sleeve pipe part 71 is locked by the limit sleeve seat 3, and the inner shoulder 31 of the limit sleeve seat 3 abuts against the lower end surface of the sleeve pipe part 71; and a buffer ring gasket 13 sleeved outside the sleeve pipe part 71 is arranged on the upper end surface of the limiting sleeve seat 3, so that the lower end part of the return spring 12 is sleeved outside the upper sleeving part 21, the lower sleeving part 22 is sleeved in the shaft hole 010, and the limiting sleeve seat 3 is abutted against the lower shaft end surface of the shaft hole 010 to limit the axial movement displacement of the upper hanger rod seat 7. And the return spring 12 is pressed between the upper stop limit end 70 and the suspension sleeve seat 2, and the axial distance between the upper stop limit end 70 and the suspension sleeve seat 2 is forced to increase by the return force of the return spring.
A joint seat 16, a joint sleeve 15, a dust cover 6 and a screwing locking nut 5 are sequentially sleeved outside the lower connecting suspender 8; wherein, the joint sleeve 15 is located above the joint seat 16 and is in spherical surface fit with the joint seat 16, the joint seat 16 is sleeved outside the polished rod part 81, and a swing gap is reserved between an inner hole of the joint sleeve 15 and the lower connecting suspension rod 8. The outer peripheral surface of the lower end part of the locking nut 5 is concavely provided with an annular clamping groove 50, and the outer peripheral surface of the upper end part of the joint sleeve 15 is concavely provided with an annular clamping groove 150; the dust cover 6 is a bellows telescopic structure, the upper end part of the dust cover is a sleeve ring part 60 elastically clamped in the ring groove 50, the sleeve ring part 60 is in clearance fit with the ring groove 50, the lower end part of the dust cover is a sleeve ring part 61 elastically clamped in the ring groove 150, the sleeve ring part 61 is in clearance fit with the ring groove 150, so that the upper end part of the bellows telescopic structure is rotatably sleeved with the locking nut 5, and the lower end part of the bellows telescopic structure is rotatably sleeved with the upper end part of the joint sleeve 15. The lock nut 5 is pressed against the lower end surface of the stopper housing 3 by adjusting the position thereof on the screw portion 82, and a lock washer 14 is pressed between the lock nut 5 and the lower end surface of the stopper housing 3, the lock washer 14 being a tapered lock washer.
Wherein, the axle hole 100 on the suspension bracket 10 is sleeved outside the joint sleeve 15, thereby realizing the suspension function.
The suspension device 11 is used for suspending the whole magnetic track brake on a bogie mounting support, a high-performance return spring 12 in the structure of the suspension device 11 ensures that a brake shoe and the top surface of a steel rail keep a set gap in the running process of a train under the action of pretightening force, the gap can ensure that the magnetic track brake is quickly attracted to the steel rail after being electrified and quickly reset under the action of the force of the return spring after being powered off, and the magnetic track brake is ensured not to collide with the steel rail in a non-braking state; when the gap between the magnetic track brake and the top surface of the steel rail is increased due to abrasion of the sliding shoes, the locking nut 5 is removed, and the suspender 4 on the suspension device 11 is adjusted, so that the gap is conveniently adjusted. The structure adopts the conical anti-loose washer 14, and the locking is realized under the appropriate torque, so that the anti-loose effect is effectively realized, and the driving safety is improved.
Claims (9)
1. A suspension device of a magnetic track brake comprises a suspension sleeve seat, a suspension rod, a return spring and a limit sleeve seat; the method is characterized in that:
the hanger rod comprises an upper hanger rod seat and a lower connecting hanger rod;
the upper lifting rod seat comprises an upper stop limiting end part and a sleeve part which extends downwards from the upper stop limiting end part; the inner hole of the sleeve part is an inner screw hole; the outer peripheral surface of the lower end part of the sleeve part is provided with an external thread matched with the screw hole on the limiting sleeve seat;
the upper end part of the lower connecting suspender is a screw part matched with the inner screw hole; the reset spring and the suspension sleeve seat are sleeved outside the sleeve part, and the reset spring is located between the upper stop limiting end and the suspension sleeve seat.
2. The suspension device of claim 1, wherein:
and a locking nut is screwed on the screw rod part, and a check washer is tightly pressed between the locking nut and the lower end surface of the limiting sleeve seat.
3. The suspension device of claim 2, wherein:
the anti-loose washer is a conical anti-loose washer;
the lower end part of the inner hole of the limiting sleeve seat is an inner shoulder which is propped against the lower end surface of the sleeve part.
4. The suspension device of claim 2, wherein:
a joint seat and a joint sleeve are sleeved outside the lower end part of the lower connecting suspender, the joint sleeve is positioned above the joint seat and is in spherical surface fit with the joint seat, and a swing gap is reserved between an inner hole of the joint sleeve and the lower connecting suspender;
a dust cover is sleeved outside the lower connecting suspender and is of a bellows telescopic structure;
the upper end part of the corrugated pipe telescopic structure is rotatably sleeved and connected with the locking nut, and the lower end part of the corrugated pipe telescopic structure is rotatably sleeved and connected with the upper end part of the joint sleeve.
5. The suspension device of claim 4, wherein:
the outer peripheral surfaces of the lower end part of the locking nut and the upper end part of the joint sleeve are both inwards concave to form an annular clamping groove;
the end part of the bellows telescopic structure is a sleeve ring part which is elastically clamped in the annular clamping groove in a sleeved mode, and the sleeve ring part is in clearance fit with the annular clamping groove.
6. A suspension arrangement according to any one of claims 1 to 5, wherein:
a buffer ring gasket sleeved outside the sleeve part is arranged on the upper end surface of the limiting sleeve seat;
the upper stop limit end part is an expansion end part structure.
7. A suspension arrangement according to any one of claims 1 to 3, wherein:
the lower connecting suspender comprises a lower stopping limit end part, a polished rod part extending upwards from the lower stopping limit end part and the screw rod part extending upwards from the polished rod part;
the lower connecting suspender is sleeved with a joint seat and a joint sleeve, the joint sleeve is positioned above the joint seat and is in spherical surface fit with the joint seat, the joint seat is sleeved outside the polished rod part, and a swing gap is reserved between an inner hole of the joint sleeve and the lower connecting suspender.
8. The suspension device of claim 7, wherein:
the rod diameter of the polished rod part is larger than that of the screw rod part;
the lower stop limit end part is an expansion end part structure.
9. A magnetic track brake comprises a suspension bracket, a suspension device and a brake electromagnet;
the method is characterized in that:
the suspension device is as claimed in any one of claims 1 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920318725.3U CN209972454U (en) | 2019-03-13 | 2019-03-13 | Magnetic track brake and suspension device thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920318725.3U CN209972454U (en) | 2019-03-13 | 2019-03-13 | Magnetic track brake and suspension device thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209972454U true CN209972454U (en) | 2020-01-21 |
Family
ID=69254394
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920318725.3U Active CN209972454U (en) | 2019-03-13 | 2019-03-13 | Magnetic track brake and suspension device thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209972454U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117508259A (en) * | 2023-12-26 | 2024-02-06 | 中南大学 | Rail transit vehicle magnetic track brake suspension device |
-
2019
- 2019-03-13 CN CN201920318725.3U patent/CN209972454U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117508259A (en) * | 2023-12-26 | 2024-02-06 | 中南大学 | Rail transit vehicle magnetic track brake suspension device |
| CN117508259B (en) * | 2023-12-26 | 2024-04-16 | 中南大学 | Rail transit vehicle magnetic track brake suspension device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CA3038425A1 (en) | Brake pad and braking unit for capturing particles | |
| CN209972454U (en) | Magnetic track brake and suspension device thereof | |
| CN104859670A (en) | Bogie for mounting traction motor in flexible suspending manner | |
| CN105109515A (en) | Suspension device for large-gauge magnetic track brakes of track vehicle | |
| CN206694479U (en) | Brake plate support component and gripping mechanism and disc brake apparatus containing the brake plate support component | |
| CN204674579U (en) | Traction electric machine resilient suspension bogie truck | |
| RU153119U1 (en) | ASSEMBLY OF THE SIDE FRAME WITH A WHEEL PAIR IN THE CAR Trolley of a Freight Railcar | |
| CN103253254B (en) | Automobile braking system | |
| CN2291348Y (en) | Gravity vehicle retarder | |
| CN206708268U (en) | Automobile-used gap adjustable cone shape brake apparatus | |
| CN113830113B (en) | Elastic suspension mounting structure for lower heavy equipment of railway vehicle | |
| CN214728827U (en) | Limit switch device for train magnetic track braking and eddy current braking | |
| CN202301589U (en) | Braking device of automobile | |
| CN212738060U (en) | Single track loop wheel machine overspeed protection device | |
| CN207989602U (en) | A kind of parking brake | |
| CN117508259B (en) | Rail transit vehicle magnetic track brake suspension device | |
| CN114572266A (en) | Suspension type permanent magnet direct-drive bogie | |
| CN208897078U (en) | The pressure mounting of the spring device for having compound backstop function | |
| CN203627609U (en) | Integrated parking braking caliper of electric automobile | |
| CN109441977B (en) | Elevator brake release device with emergency buffer function | |
| CN108331865B (en) | Caliper brake | |
| CN205044760U (en) | Device of regulation and control train brake shoe pressure | |
| CN205044755U (en) | Welding bogie | |
| CN205118061U (en) | Industrial brake's brake scotch is along with position device | |
| CN205275154U (en) | L4 type rail train linear electric motor has rescued and has risen device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |