A front-encoder disc type ultra-thin permanent magnet synchronous traction machine
A technology of synchronous traction machine and encoder, which is applied in the direction of magnetic circuit, electromechanical device, control mechanical energy, etc., can solve the problem that the pre-encoder cannot be replaced normally, affects the operation accuracy and life of the pre-encoder, and cannot provide To solve problems such as encoder pre-solution, to reduce the risk of encoder damage, improve the effect of encoder damage or waveform distortion, and improve heat dissipation
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[0041] Embodiment: An ultra-thin permanent magnet synchronous traction machine includes a frame 10 on which a stator 11 is provided; and a rotor 20 on which is provided a magnet covering the coil of the stator 11 and forming a radial magnetic field with it 21. The tooth shape of the stator 11 is T-shaped; the rotor 20 is a disc-shaped shell with one end uplifted. The rotor 20 is provided with a shaft 22 on the inner side of the uplift that is rotatably matched with the base 10. The shaft 22 is provided with a front bearing and a rear bearing. Bearing, the rotor 20 is provided with a traction sheave 30 on the outside of the bulge; it also includes a brake 40, an encoder 50 and a junction box that cooperate with the rotor 20.
[0042] The rotor hub and the shaft 22 are integrated or separated, and the permanent magnets are fixed on the inner surface of the hub to form a radial magnetic field structure with the stator 11. The magnetic tension is symmetrically offset, and there is no ...
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