A medium-low speed maglev train and its linear motor installation structure

Abstract

The invention relates to a linear motor installation structure for a medium-low speed maglev train, which includes a motor stator and a motor beam arranged on a support arm, and also includes a stator floating installation assembly for installing the stator on the motor beam. The stator floating installation assembly includes : A mounting hole set on the motor beam with the axis parallel to the vertical direction; a sleeve fixed in the mounting hole, with a stepped hole in the sleeve; a spring-covered screw, which penetrates the sleeve from the top of the mounting hole Inside, one end of the spring is against the step of the step hole, and the other end is against the end cap of the screw rod or against the nut installed on the top of the screw rod, and the screw rod can move up and down freely in the mounting hole, and the motor stator is hoisted at the lower end of the screw rod. The installation structure of the linear motor can automatically adjust the gap between the motor stator and the motor rotor according to different working conditions, thereby improving the efficiency of the motor and reducing the comprehensive energy consumption of the maglev train. The invention also discloses a medium-low speed magnetic levitation train.

Description

technical field [0001] The invention relates to the technical field of design and manufacture of maglev trains, in particular to a medium-low speed maglev train and a linear motor installation structure thereof. Background technique [0002] The speed of maglev train can be divided into low speed, medium speed and high speed. The speed of low speed maglev train is below 125km per hour, which is mainly suitable for urban public transportation. The speed of medium speed maglev train is about 250km per hour, which is mainly suitable for suburban passenger transport. The speed of the train is about 500km per hour, and it is mainly used for high-speed passenger transportation between large cities with long distances and large passenger flow. [0003] Medium and low-speed maglev trains are driven by short-stator linear asynchronous motors. The short-stator linear asynchronous motors are composed of a short stator installed on the train and a rotor (aluminum reaction plate) on the ...

AI Technical Summary

Problems solved by technology

[0003] Medium and low-speed maglev trains are driven by short-stator linear asynchronous motors. The short-stator linear asynchronous motors are composed of a short stator installed on the train and a rotor (aluminum reaction plate) on the track. The gap between the pole surface of the rotor and the rotor is 13±4mm, and the gap between the stator and the rotor is relatively large, such as figure 1 As shown in , at present, the stator 04 of the linear motor in the maglev train is fixedly installed on the motor beam 02 through the screw rod 03, the rotor 05 is located above the electromagnet 06, the motor beam 02 is installed on the support arm 01, and between the stator 04 and the rotor 05 The gap cannot be adjusted according to the real-time operating conditions of the train, which leads to low efficiency of the linear motor, which is not conducive to energy saving and consumption reduction and the speed increase of the train

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