Hybrid excitation linear eddy current braking device for high-speed maglev train
By installing flip-up baffles and adjustment mechanisms on both sides of the brake plate, the wear problem caused by sand and gravel splashing in the braking device of high-speed maglev trains has been solved, and effective protection of permanent magnet electrodes and armature windings has been achieved.
Patent Information
- Application Number
- CN202423273983.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-30
- Publication Date
- 2025-12-16
- Estimated Expiration
- 2034-12-30
AI Technical Summary
The bottom of the brake plate of the existing hybrid excitation linear eddy current braking device is exposed outside the vehicle body, which causes wear and impact caused by sand and gravel splashing from the track during high-speed travel.
Flip-up baffles are installed on both sides of the brake plate, and are equipped with anti-corrosion liners and reinforcing pads. The baffle angle can be adjusted by an adjustment mechanism to protect the permanent magnet electrodes and armature windings and reduce sand and gravel splashing.
It effectively reduces the wear and impact of track debris on the bottom of the vehicle and improves the protective effect of the braking device.
Smart Images

Figure CN223672294U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of magnetic levitation train braking, more specifically, to a high-speed magnetic levitation train hybrid excitation linear eddy current braking device. BACKGROUND
[0002] The magnetic levitation train is a train relying on magnetic suspension force to push, which realizes the non-contact suspension and guidance between the train and the track through electromagnetic force, and then uses the electromagnetic force generated by the linear motor to pull the train to run. The bottom of the magnetic levitation train is generally provided with a hybrid excitation linear eddy current braking device for providing sufficient braking force when the magnetic levitation train needs to slow down.
[0003] For the existing hybrid excitation linear eddy current braking device, the armature winding and the permanent magnetic pole at the bottom of the braking plate are exposed at the bottom position of the vehicle body, and the two sides thereof do not have a shielding protection assembly. In the process of high-speed driving of the vehicle body, the negative pressure generated at the bottom of the vehicle body is easy to cause the splashing of sand and stones in the track, thereby causing the wear of the braking assembly. To solve the above problems, the present application proposes a high-speed magnetic levitation train hybrid excitation linear eddy current braking device. SUMMARY
[0004] 1. Technical problem to be solved
[0005] In view of the problems existing in the prior art, the purpose of the utility model is to provide a high-speed magnetic levitation train hybrid excitation linear eddy current braking device, which is provided with a baffle on both sides of the braking plate to isolate and protect the permanent magnet electrode and the armature winding at the bottom position of the braking plate, has a good shielding effect, and reduces the wear and impact of the splashing stones on the surface of the track on the bottom of the vehicle body.
[0006] 2. Technical scheme
[0007] To solve the above problems, the utility model adopts the following technical scheme.
[0008] A high-speed magnetic levitation train hybrid excitation linear eddy current braking device, comprising a braking plate, a permanent magnet electrode installed on the lower surface of the braking plate, an armature winding wound on the permanent magnet electrode, and an abrasion plate installed at the bottom of the permanent magnet electrode, one baffle is installed on each side of the braking plate, the baffles are rotationally connected with the braking plate and can be flipped to the outside of the braking plate.
[0009] One end of the braking plate is provided with a guide frame, a guide plate is vertically installed in the guide frame, and the guide plate can slide up and down in the guide frame; a first connecting rod is transversely installed at the bottom of the guide plate, and the two ends of the first connecting rod are rotationally connected with the two baffles through a second connecting rod.
[0010] Preferably, the surface of the guide plate is vertically provided with a guide groove, and the guide frame is provided with a locking bolt at a position corresponding to the guide groove.
[0011] Preferably, the outer surface of the baffle is provided with a corrosion-resistant lining plate.
[0012] Preferably, the inner surface of the baffle is provided with a reinforcing pad.
[0013] Preferably, the surface of the brake plate is provided with an assembly hole for mounting the brake plate at the bottom of the high-speed maglev train.
[0014] Preferably, the two ends of the first connecting rod are respectively provided with a first shaft, and the end surface of the baffle is provided with a second shaft, and the two ends of the second connecting rod are respectively rotatably connected with the first shaft and the second shaft.
[0015] Preferably, the top of the guide plate is provided with a pull ring.
[0016] 3. Beneficial effects
[0017] Compared with the prior art, the utility model has the advantages that:
[0018] (1) The baffle is mounted on both sides of the brake plate, the outer surface of the baffle is provided with a corrosion-resistant lining plate, and the inner surface of the baffle is provided with a reinforcing pad, so that the permanent magnet electrode and the armature winding at the bottom position of the brake plate are isolated and protected, having a good shielding effect and reducing the abrasion and impact of the splashed stones on the track surface on the bottom of the vehicle body.
[0019] (2) The adjusting mechanism is mounted at the end surface position of the brake plate, the inclination angle of the baffle can be adjusted by adjusting the height of the guide plate, and then the inclination angle of the baffle can be fixed by tightening the locking bolt. BRIEF DESCRIPTION OF DRAWINGS
[0020] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;
[0021] Figure 2 It is a schematic diagram of the structure of the bottom of the utility model;
[0022] Figure 3 It is a schematic diagram of the structure of the eddy current brake device body of the utility model;
[0023] Figure 4 It is a schematic diagram of the structure of the baffle of the utility model;
[0024] Figure 5 It is a schematic diagram of the adjusting mechanism of the utility model. DETAILED DESCRIPTION
[0025] Clearly, the described embodiments are merely a part of the embodiments of the present application, rather than all the embodiments, and based on the embodiments of the present application, all the other embodiments obtained by those skilled in the art without creative labor shall fall within the protection scope of the present application.
[0026] Please refer to Figures 1-5 A high-speed maglev train hybrid excitation linear eddy current braking device, comprising a brake plate 1. The surface of the brake plate 1 is provided with an assembly hole 2 for installing the brake plate 1 at the bottom of the high-speed maglev train. The lower surface of the brake plate 1 is provided with a permanent magnet electrode 8, and the permanent magnet electrode 8 is provided with an armature winding 9. The bottom of the permanent magnet electrode 8 is provided with an abrasion plate 10. The lower part of the brake device is provided with an induction plate 20.
[0027] The brake plate 1 is provided with a baffle 6 on each side, and the baffle 6 is rotatably connected with the brake plate 1 and can be flipped to the outside of the brake plate. Specifically, the baffle 6 is installed in the middle of the two sides of the brake plate 1 through a hinge 3. The outer surface of the baffle 6 is provided with a corrosion-resistant lining plate 5, and the inner surface is provided with a reinforcing pad 7.
[0028] One end of the brake plate 1 is provided with a guide frame 11, and a guide plate 13 is vertically installed in the guide frame 11. The guide plate 13 can slide up and down in the guide frame 11. Preferably, the top of the guide plate 13 is also provided with a pull ring 19 for conveniently pulling out the guide plate 13 from the guide frame 11. The bottom of the guide plate 13 is transversely provided with a first connecting rod 14, and the two ends of the first connecting rod 14 are rotatably connected with the two baffles 6 through a second connecting rod 16. Specifically, the two ends of the first connecting rod 14 are each provided with a first shaft 15, and the end surface of the baffle is provided with a second shaft 17. The two ends of the second connecting rod 16 are rotatably connected with the first shaft 15 and the second shaft 17, respectively.
[0029] The surface of the guide plate 13 is vertically provided with a guide groove 18, and the guide frame 11 is provided with a locking bolt 12 at a position corresponding to the guide groove 18.
[0030] The above is only a preferred specific embodiment of the present application; however, the protection scope of the present application is not limited to this. Any skilled person in the art can make equivalent replacement or change according to the technical scheme and improvement concept of the present application within the technical range disclosed by the present application, which shall be covered within the protection scope of the present application.
Claims
1. A high-speed maglev train hybrid excitation linear eddy current braking device, comprising a braking plate, permanent magnet electrodes installed on the lower surface of the braking plate, armature windings wound on the permanent magnet electrodes, and wear plates installed at the bottom of the permanent magnet electrodes, characterized in that: each side of the braking plate is provided with a baffle, the baffle is rotationally connected with the braking plate and can be flipped to the outside of the braking plate; one end of the braking plate is provided with a guide frame, a guide plate is vertically installed in the guide frame, the guide plate can slide up and down in the guide frame, the bottom of the guide plate is transversely provided with a first connecting rod, and the two ends of the first connecting rod are rotationally connected with the two baffles through a second connecting rod. A guide groove is vertically formed on the surface of the guide plate, and a locking bolt is installed on the guide frame corresponding to the guide groove. The outer surface of the baffle is provided with a corrosion-resistant lining plate.
2. The hybrid excitation linear eddy current braking device of high-speed maglev train according to claim 1, characterized in that: The inner surface of the baffle is provided with a reinforcing pad.
3. The hybrid excitation linear eddy current braking device of a high-speed maglev train according to claim 2, characterized in that: Assembly holes are formed on the surface of the braking plate for installing the braking plate at the bottom of the high-speed maglev train.
4. The hybrid excitation linear eddy current braking device of the high-speed maglev train according to any one of claims 1-3, characterized in that: The two ends of the first connecting rod are each provided with a first shaft, the end surface of the baffle is provided with a second shaft, and the two ends of the second connecting rod are respectively rotationally connected with the first shaft and the second shaft.
5. The hybrid excitation linear eddy current braking device of high-speed maglev train according to any one of claims 1-3, characterized in that: The top of the guide plate is provided with a pull ring.
6. The hybrid excitation linear eddy current braking device of a high-speed maglev train according to any one of claims 1-3, characterized in that: 7. The hybrid excitation linear eddy current braking device of a high-speed maglev train according to any one of claims 1-3, characterized in that: