Equipment for simulating high-speed magnetic levitation operation

Patent metadata

Field	Value
Publication number	US-12385809-B2
Application number	US-202117533011-A
Country	US
Kind code	B2
Filing date	Nov 22, 2021
Priority date	Nov 22, 2021
Publication date	Aug 12, 2025
Grant date	Aug 12, 2025

Abstract

An equipment for simulating high-speed magnetic levitation operation includes a wheel, a driving mechanism, a first test guideway, a second test guideway, a first test object and a second test object. The wheel includes a rim and a hub arranged at a middle of the rim. The driving mechanism is configured to drive the wheel to rotate. The first test guideway and the second test guideway are arranged on an inner wall of the rim, and are respectively arranged on two sides of the hub. The first test object is arranged in the first test guideway, and the second test object is arranged in the second test guideway.

First claim

What is claimed is:

1. An equipment for simulating high-speed magnetic levitation (maglev) operation, comprising:
a wheel;
a driving mechanism;
a first test guideway;
a second test guideway;
a first test object;
a second test object;
a first position control device; and
a second position control device;
wherein the wheel comprises a rim and a hub; the hub is arranged at a middle of the rim;
the driving mechanism is configured to drive the wheel to rotate;
the first test guideway and the second test guideway are arranged on an inner wall of the rim; the first test guideway is arranged on one side of the hub, and the second test guideway is arranged on the other side of the hub;
the first test object is arranged in the first test guideway;
the second test object is arranged in the second test guideway;
the first position control device is configured to control a reciprocating movement of the first test object along a radial direction of the first test guideway; and the second position control device is configured to control a reciprocating movement of the second test object along a radial direction of the second test guideway;
a vibration exciter is arranged above the first test object; a first six-axis force sensor is arranged between the vibration exciter and the first test object; the second test object is fixedly arranged on a first clamping arm; and a second six-axis force sensor is arranged between the second test object and the first clamping arm; and
the first test guideway is a circular Halbach permanent magnet guideway; the second test guideway is a circular metal guideway; the first test object is a high-temperature superconducting magnetic levitation test object; and the second test object is an electrodynamic levitation permanent magnet test object.

2. The equipment of claim 1 , wherein the first position control device comprises a first bottom plate, a first sliding plate and a first motor; two first linear sliding tables parallel to each other are arranged on the first bottom plate; a first screw rod is arranged between the two first linear sliding tables; the first screw rod is connected to an output end of the first motor; a side of each of the two first linear sliding tables is provided with a first linear chute; a first side of the first sliding plate is provided with two first sliding blocks respectively matched with two first linear chutes; the first side of the first sliding plate between the two first sliding blocks is provided with a first thread insert; the first thread insert is threadedly connected with the first screw rod; a second side of the first sliding plate is provided with a second clamping arm; the first test object is arranged on the second clamping arm; and an extension line of an orthographic projection of the first screw rod on the hub passes through a center of the hub; and
the second position control device comprises a second bottom plate, a second sliding plate and a second motor; two second linear sliding tables parallel to each other are arranged on the second bottom plate; a second screw rod is arranged between the two second linear sliding tables; the second screw rod is connected to an output end of the second motor; a side of each of the two second linear sliding tables is provided with a second linear chute; a first side of the second sliding plate is provided with two second sliding blocks respectively matched with two second linear chutes; the first side of the second sliding plate between the two second sliding blocks is provided with a second thread insert; the second thread insert is threadedly connected with the second screw rod; a second side of the second sliding plate is provided with the first clamping arm; the second test object is arranged on the first clamping arm; and an extension line of an orthographic projection of the second screw rod on the hub passes through a center of the hub.

3. The equipment of claim 1 , further comprising:
an eddy-current brake device;
wherein the eddy-current brake device comprises an eddy-current brake sliding table and an eddy-current brake displacement control mechanism; an end of the eddy-current brake sliding table is provided with an eddy-current brake magnet; the eddy-current brake displacement control mechanism is configured to drive the eddy-current brake sliding table to reciprocate; and the hub is arranged on a movement path of the eddy-current brake sliding table.

4. The equipment of claim 1 , wherein the driving mechanism comprises a variable frequency alternating-current (AC) motor; an emergency brake is arranged between the variable frequency AC motor and the wheel; the emergency brake comprises a brake disc; an output shaft of the variable frequency AC motor is connected to an input end of a rotating shaft of the brake disc through a first coupling; an output end of the rotating shaft of the brake disc is connected to a main shaft of the wheel through a second coupling; the input end of the rotating shaft of the brake disc is rotatably arranged on a base through a first bearing seat; and the main shaft of the wheel is rotatably arranged on a frame through a second bearing seat.

5. The equipment of claim 1 , wherein a protective cover is arranged above the wheel; and a bottom of the protective cover is fixedly arranged on a frame.

6. An equipment for simulating high-speed magnetic levitation (maglev) operation, comprising:
a wheel;
a driving mechanism;
a first test guideway;
a second test guideway;
a first test object;
a second test object;
a first position control device; and
a second position control device;
wherein the wheel comprises a rim and a hub; the hub is arranged at a middle of the rim;
the driving mechanism is configured to drive the wheel to rotate;
the first test guideway and the second test guideway are arranged on an inner wall of the rim; the first test guideway is arranged on one side of the hub, and the second test guideway is arranged on the other side of the hub;
the first test object is arranged in the first test guideway;
the second test object is arranged in the second test guideway;
the first position control device is configured to control a reciprocating movement of the first test object along an axial direction of the first test guideway; and the second position control device is configured to control a reciprocating movement of the second test object along an axial direction of the second test guideway;
a vibration exciter is arranged above the first test object; a first six-axis force sensor is arranged between the vibration exciter and the first test object; the second test object is fixedly arranged on a first clamping arm; and a second six-axis force sensor is arranged between the second test object and the first clamping arm; and
the first test guideway is a circular Halbach permanent magnet guideway; the second test guideway is a circular metal guideway; the first test object is a high-temperature superconducting magnetic levitation test object; and the second test object is an electrodynamic levitation permanent magnet test object.

7. The equipment of claim 6 , wherein the first position control device comprises a first bottom plate, a first sliding plate and a first motor; two first linear sliding tables parallel to each other are arranged on the first bottom plate; a first screw rod is arranged between the two first linear sliding tables; the first screw rod is connected to an output end of the first motor; a top of each of the two first linear sliding tables is provided with a first linear chute; a bottom of the first sliding plate is provided with two first sliding blocks respectively matched with two first linear chutes; the bottom of the first sliding plate between the two first sliding blocks

Assignees

• Univ Southwest Jiaotong

Inventors

• Deng Zigang
• Zhang Weihua
• Kou long
• Zheng Jun
• Cheng Yanxing
• Ma Qiwen

Classifications

• B61L27/60

  Testing or simulation · CPC title

• B61B13/08

  Sliding or levitation systems (vehicles with air cushions between rails and vehicles B60V3/04) · CPC title

• B60L13/06

  Means to sense or control vehicle position or attitude with respect to railway · CPC title

• B60L13/10

  Combination of electric propulsion and magnetic suspension or levitation · CPC title

• G01M17/08 Primary

  Railway vehicles · CPC title