Miniwatt three-phase asynchronous motor
A three-phase asynchronous motor technology, applied in the direction of asynchronous induction motors, electric components, electrical components, etc., can solve the problems of electromagnetic brake burnout, gap increase, etc., and achieve compact structure, light weight, high overload capacity and mechanical strength Effect
Inactive Publication Date: 2012-11-21
蔡国明
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Problems solved by technology
[0002] The existing three-phase asynchronous motors for hoisting generally use a combination of squirrel-cage asynchronous motors and brakes. At present, most three-phase asynchronous motors use electromagnetic brakes. The electromagnetic brakes are fixed inside the motor casing, and the compression springs for adjusting the pressure of the brakes are fixed. Betwe
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[0008] In order to deepen the understanding of the present invention, the present invention will be described in further detail below in conjunction with embodiments and drawings. The embodiments are only used to explain the present invention and do not constitute a limitation on the protection scope of the present invention.
[0009] Such as figure 1 Shows a specific implementation of a low-power three-phase asynchronous motor of the present invention, including a front end cover 1, a back end cover 2, a rotating shaft 3 penetrates between the front end cover 1 and the back end cover 2, and the rotating shaft 3 is placed in the front end cover A rotor 4 and an armature 5 are sleeved between 1 and the rear cover 2. The rotor 4 and the armature 5 are placed front and back. The stator 6 is sleeved on the outside of the rotor 4, and the stator 6 has a seat 7, and the armature 5 The outer part of the magnetic pole core 8 is sheathed with a turbine core shell 9, the base 7 is connecte...
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The invention discloses a miniwatt three-phase asynchronous motor, comprising a front end housing, a rear end housing, a spindle disposed through the front end housing and the rear end housing, and a rotor and an armature sleeved on positions of the spindle between the front end housing and the rear end housing. The rotor and the armature are arranged front and back. A stator is sleeved outside the rotor, and a motor seat is disposed outside the stator. A magnetic pole core is disposed outside the armature, and a turbine iron core casing is disposed outside the magnetic pole core. The motor seat is connected with the turbine iron core casing. A fan cover is connected on a rear part of the rear end housing. Blades are sleeved on a position of the spindle inside the fan cover. The miniwatt three-phase asynchronous motor is advantaged by stable usability, light weight, and small volume.
Description
Technical field: [0001] The invention relates to the technical field of motors, in particular to a low-power three-phase asynchronous motor for lifting. Background technique: [0002] The existing three-phase asynchronous motors for hoisting generally use squirrel-cage asynchronous motors combined with brakes. At present, most three-phase asynchronous motors use electromagnetic brakes. The electromagnetic brakes are fixed inside the motor casing and the pressure springs for adjusting the pressure of the brakes are fixed. Between the housing of the brake and the brake plate, the reaction force pushes the brake plate to act on the brake pad to achieve braking. However, the brake pad will continue to wear during long-term use. When the wear is large, the brake pad and the brake The gap between the shells will increase, which will easily burn out the electromagnetic brake. Summary of the invention: [0003] The purpose of the present invention is to overcome the above shortcomings an...
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Inventor 张建新蔡国明唐林平陶宗跃
Owner 蔡国明