Permanent magnet electric roller rotor magnetic steel fixing structure and assembling method
A technology of electric drum and fixed structure, applied in the direction of magnetic circuit shape/style/structure, electric components, electromechanical devices, etc., can solve the problems of permanent magnet electric drum damage, reduce the mechanical strength of the outer cylinder, waste time and energy, etc.
Pending Publication Date: 2021-06-08
山东艾克索仑电气有限公司
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Problems solved by technology
[0005] The rotor structure of the permanent magnet electric drum is fixed with a permanent magnetic strip on the inner wall of the outer cylinder. At present, the commonly used structures are all mechanical connections, that is, bolts and other structural connections, which have structural damage to the permanent magnet of the magnetic steel or the outer cylinder of the rotor. Reduce the mechanical strength of the outer cylinder. Similarly, this connection method is a waste of time and energy in the assembly process, and the bolt connection has certain risks. If the bolt is loose or dropped, it will damage the rotor of the permanent magnet electric drum. and the stator cause fatal damage, that is, it will cause damage to the permanent magnet electric drum
Method used
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[0028] In order to make the purpose, technical scheme and advantages of the present invention more clear, the following will be combined with the appended figure 1 And attached figure 2 , to describe the present invention in more detail.
[0029] The rotor magnetic steel fixing structure of the permanent magnet electric drum provided by the present invention includes an outer cylinder 1, and a plurality of magnetic steels 4 distributed in an array structure are arranged inside the outer cylinder 1;
[0030] Several magnets 4 include N-pole magnets 41 and S-pole magnets 42. Several N-pole magnets 41 are arranged longitudinally to form N-pole magnet columns, and several S-pole magnets 42 are vertically arranged to form S-pole magnet columns. The N-pole magnetic steel rows and the S-pole magnetic steel rows are arranged at intervals.
[0031] Further, a magnetic isolation strip 5 for magnetic isolation is provided between adjacent N-pole magnetic steel columns and S-polar magn...
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A permanent magnet electric roller rotor magnetic steel fixing structure comprises an outer cylinder, and a plurality of magnetic steels distributed in an array structure are arranged in the outer cylinder. The plurality of magnetic steels comprise N-pole magnetic steels and S-pole magnetic steels, the plurality of N-pole magnetic steels are longitudinally and sequentially arranged to form N-pole magnetic steel columns, the plurality of S-pole magnetic steels are longitudinally and sequentially arranged to form S-pole magnetic steel columns, and the plurality of N-pole magnetic steel columns and the plurality of S-pole magnetic steel columns are arranged at intervals; a magnetism isolating strip for isolating magnetism is arranged between the adjacent N-pole magnetic steel column and S-pole magnetic steel column; the magnetic isolation strips comprise auxiliary magnetic isolation strips and positioning magnetic isolation strips used for positioning the N-pole magnetic steel columns and the S-pole magnetic steel columns. The permanent magnet electric roller rotor magnetic steel fixing structure has the advantages of simple assembly, reasonable structure and no influence on the mechanical strength of the outer cylinder.
Description
Technical field: [0001] The invention relates to the technical field of motor manufacturing, more specifically to a permanent magnet electric drum rotor magnetic steel fixing structure and an assembly method. Background technique: [0002] Permanent magnet electric drum is also called magnetic pulley or dry bulk magnetic separator. It uses high-performance hard magnetic materials to form a composite magnetic system, which has the characteristics of high magnetic field strength, large depth, simple structure, convenient use, no maintenance, no power consumption, and no demagnetization after years of use. The permanent magnet electric drum can be used for iron selection in cement, magnetic separation, mining, steel, chemical, refractory, garbage disposal and other industries. It can be used with fixed belt conveyor instead of driving wheel, and can also be matched with special belt conveyor. [0003] There is a permanent magnetic strip fixed on the inner wall of the outer cyl...
Claims
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Patent Timeline
Login to View More IPC IPC(8): H02K1/27H02K1/28H02K15/03
CPCH02K1/2786H02K1/28H02K15/03
Inventor 赵秋月张永刚王华东王磊
Owner 山东艾克索仑电气有限公司