Locomotive axle end permanent magnet synchronous generator

Abstract

The present invention discloses a locomotive axle end permanent magnet synchronous generator. The locomotive axle end permanent magnet synchronous generator comprises a base, a stator pressed inside the base, a rotor and an end cover which is arranged at the tail end of the base; the base is fixedly connected with the axle box of a locomotive bogie; the rotor is arranged in the stator and is fixedly connected with the axle of a locomotive; the rotor adopts permanent magnet excitation and is of a hollow cup structure; and the base and the end cover can form a sealing structure for the stator and the rotor. When the locomotive is running, wheels rotate, and the axle rotates and drives the rotor to rotate, and the permanent magnet synchronous generator generates electrical energy. With the generator of the invention adopted, the technical problem that effective power source cannot be provided for a driver's cab in the de-energized transportation of the locomotive can be solved. The structure of the generator is greatly simplified, the weight of the generator is reduced, the malfunction risk of the bearing of the generator can be eliminated, and the generator is more reliable.

Description

technical field [0001] The invention relates to the field of rail transportation, in particular to a permanent magnet synchronous generator applied to the shaft end of a locomotive. Background technique [0002] In the prior art, since railway locomotives generally need to be continuously dismantled and marshalled, other carriages and bogies generally lack power supplies except for locomotives, which has a large gap with actual use requirements. The locomotive generally runs at 60km / h~120km / h, and the rotational speed of the locomotive axle is about 245n / min~416n / min. The generator designed before is only used for electronic anti-skid device and online monitoring, and the power is relatively small. There are only tens of watts to hundreds of watts, so it is far from meeting the actual use needs. [0003] as attached figure 1 As shown, it is a structural schematic view of the axle end of a locomotive in the prior art. An axle box 12 is arranged outside the end of the axle 1...

AI Technical Summary

Problems solved by technology

[0005] In view of this, the object of the present invention is to provide a permanent magnet synchronous generator at the axle end of a locomotive, which solves the technical problem that an effective power supply cannot be provided for the driver's cab when the locomotive is returned without fire.

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