Rotary type permanent magnet electric suspension static suspension testing device
By designing a rotary permanent magnet electric levitation static levitation test device, the problem that existing devices are not suitable for maglev cars is solved, realizing static levitation testing and status monitoring of maglev cars, and providing safe position constraints and real-time data feedback.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- SOUTHWEST JIAOTONG UNIV
- Filing Date
- 2025-05-06
- Publication Date
- 2026-04-14
AI Technical Summary
Existing permanent magnet electric levitation experimental devices are mainly used for permanent magnet electric levitation transportation systems in rail transit, and are not suitable for magnetic levitation cars that can move freely and flexibly with multiple degrees of freedom.
A rotary permanent magnet electric levitation static levitation test device was designed, including a drive motor, a transmission device, a lifting unit, a limit module, and a conductor plate. It is connected to the transmission device through a coupling, which can convert rotational motion into linear motion. With the help of the limit module and the state monitoring system, it can realize the static levitation test of the magnetic levitation car.
It enables static levitation demonstration and testing of magnetic levitation vehicles, and can monitor their position, attitude, levitation gap, conductor plate temperature rise and magnetic wheel speed in real time, providing safe position limitation and testing functions.
Smart Images

Figure CN224122178U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of permanent magnet electric levitation testing, and more specifically, to a rotary permanent magnet electric levitation static levitation testing device. Background Technology
[0002] Existing permanent magnet electric levitation experimental devices are concentrated in permanent magnet electric levitation transportation systems within the rail transit field, and are not applicable to magnetic levitation vehicles that can move freely and flexibly with multiple degrees of freedom. Utility Model Content
[0003] To address the aforementioned technical problems, this utility model proposes a rotary permanent magnet electric levitation static levitation test device, which is applicable to the static levitation test of magnetic levitation vehicles.
[0004] The technical solution adopted by this utility model is as follows:
[0005] A rotary permanent magnet electric levitation static levitation test device is disclosed. The test device includes a drive motor, a transmission device, a lifting unit, a limit module, and a conductor plate. The drive motor is connected to the transmission device through a coupling. The lifting unit includes a lead screw, a flange nut, and a lifting platform. The flange nut cooperates with the lead screw, and the lifting platform is connected to the flange nut. The limit module includes a limit rod and a limit plate. The conductor plate is located at the bottom of the test device.
[0006] In a preferred embodiment, the lifting platform is provided with a vehicle limiting groove to limit the position of the vehicle.
[0007] In a preferred embodiment, the transmission device includes a three-axis right-angle bevel gearbox, a two-axis right-angle bevel gearbox, and a screw jack connected by a coupling, so as to convert the rotational motion of the drive motor into the linear motion of the lifting unit.
[0008] In a preferred embodiment, the testing apparatus further includes a condition monitoring system, which includes a Hall sensor, an angle sensor, a displacement sensor, an attitude sensor, and a temperature sensor.
[0009] The beneficial effects of this utility model are as follows: The testing device includes a drive motor, a transmission device, a lifting unit, a limiting module, and a conductor plate. The magnetic levitation car is set above the conductor plate. The limiting module can limit the position of the vehicle. The drive motor drives the lifting unit through the transmission device. The lifting unit can move up and down. It can be used for the display and testing of the static levitation of the magnetic levitation car. Attached Figure Description
[0010] To more clearly illustrate the technical solutions of the embodiments of this utility model, the drawings used in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of this utility model and should not be regarded as a limitation on the scope. For those skilled in the art, other related drawings can be obtained based on these drawings without creative effort.
[0011] Figure 1 This is a three-dimensional schematic diagram of a static levitation test device for a magnetic levitation car in an embodiment of this utility model.
[0012] Figure 2 This is a front view schematic diagram of the static levitation test equipment for magnetic levitation vehicles in an embodiment of this utility model.
[0013] Figure 3 This is a schematic diagram of the lifting platform in an embodiment of the present utility model. Detailed Implementation
[0014] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of this utility model. The components of the embodiments of this utility model described and shown in the accompanying drawings can be arranged and designed in various different configurations. Therefore, the following detailed description of the embodiments of this utility model provided in the accompanying drawings is not intended to limit the scope of the claimed utility model, but merely to illustrate selected embodiments of the utility model. All other embodiments obtained by those skilled in the art based on the embodiments of this utility model without inventive effort are within the scope of protection of this utility model.
[0015] Please refer to Figure 1 This utility model provides a static levitation test device for magnetic levitation vehicles. The static levitation test device includes a drive motor 1, a transmission device, a lifting unit, a limit module, and a status monitoring system.
[0016] The drive motor 1 generates lifting power and is connected to the transmission device via coupling 2. The transmission device includes a set of three-axis right-angle bevel gearboxes 3, two sets of double-axis right-angle bevel gearboxes 4, and four sets of screw jacks 5. The various parts are connected by coupling 2, which is used to connect the motor and the lifting unit and convert the rotational motion of the motor into the linear motion of the lifting unit.
[0017] The support plate 6 is installed above the four sets of elevators 5, and the conductor plate 7 is installed above the support plate 6.
[0018] Please refer to Figure 2The lifting unit includes four sets of lead screws 8, flange nuts 9, and a lifting platform 10. The flange nuts 9 are fitted onto the lead screws 8, and the lifting platform 10 is fixedly connected to the flange nuts 9. The lifting platform 10 is symmetrically provided with vehicle limiting grooves 11 to limit the range of vehicle position changes and provide safety limiting protection. The limiting module includes limiting rods 12 and limiting plates 13. Two sets of limiting rods 12 are placed in the limiting grooves 11 of the lifting platform 10, and their ends are respectively connected to the permanent magnet electric levitation car prototype 14 and the limiting plate 13.
[0019] Please refer to the reference. Figure 3 The permanent magnet electric levitation car is placed below the lifting platform 10 and suspended above the conductor plate 7. The limiting plate 13 is placed above the lifting platform 10, and the length and width of the limiting plate must be greater than the limiting groove 11 of the lifting platform 10.
[0020] The condition monitoring system includes a speed Hall sensor, an angle sensor, a displacement sensor, an attitude sensor, a temperature sensor, and a supporting measurement and control system. The speed Hall sensor, angle sensor, displacement sensor, and attitude sensor are built into the permanent magnet electric levitation car prototype 14. Multiple temperature sensors are attached to different positions on the surface of the conductor plate 7. All of these sensors are directly connected to the computer measurement and control system for data acquisition, feedback, and storage, enabling real-time monitoring of the maglev car's position, attitude, levitation gap, conductor plate temperature rise, magnetic wheel speed, and deflection angle.
[0021] The above are merely preferred embodiments of this utility model and are not intended to limit the scope of this utility model. Various modifications and variations can be made to this utility model by those skilled in the art. Any modifications, equivalent substitutions, or improvements made within the spirit and principles of this utility model should be included within the protection scope of this utility model.
[0022] The above are merely specific embodiments of this utility model, but the protection scope of this utility model is not limited thereto. Any variations or substitutions that can be easily conceived by those skilled in the art within the technical scope disclosed in this utility model should be included within the protection scope of this utility model. Therefore, the protection scope of this utility model should be determined by the scope of the claims.
Claims
1. A rotary permanent magnet electric levitation static levitation testing device, characterized in that, The testing device includes a drive motor, a transmission device, a lifting unit, a limit module, and a conductor plate. The drive motor is connected to the transmission device via a coupling. The lifting unit includes a lead screw, a flange nut, and a lifting platform. The flange nut cooperates with the lead screw, and the lifting platform is connected to the flange nut. The limit module includes a limit rod and a limit plate. The conductor plate is located at the bottom of the testing device.
2. The testing apparatus according to claim 1, characterized in that, The lifting platform is equipped with a vehicle limiting groove to limit the position of the vehicle.
3. The testing apparatus according to claim 1, characterized in that, The transmission device includes a three-axis right-angle bevel gearbox, a two-axis right-angle bevel gearbox, and a screw jack connected by a coupling, so as to convert the rotational motion of the drive motor into the linear motion of the lifting unit.
4. The testing apparatus according to claim 1, characterized in that, The testing device also includes a condition monitoring system, which includes a Hall sensor, an angle sensor, a displacement sensor, an attitude sensor, and a temperature sensor.