Magnetic suspension motor assembly tool, motor and assembly method
An assembly tooling and magnetic levitation technology, applied in the direction of electromechanical devices, manufacturing motor generators, holding devices with magnetic attraction or thrust, etc., can solve the problems of axial magnetic bearing damage, rotor surface damage, worker injury, etc.
Pending Publication Date: 2021-11-30
XINLEI COMPRESSOR CO LTD
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Problems solved by technology
[0004] The existing technology has the following disadvantages: During the assembly process, due to the strong magnetism of the rotor magnetic steel, the motor assembly process is relatively difficult, and the rotor will collide and rub against the motor stator due to the magnetic force, resulting in damage to the rotor surface
At the same time, due to the strong magnetic force during the pressing process of the axial magnetic bearing, and the magnetic force will suddenly change from repulsive force to attractive force at a certain position during the pressing process, it is easy to cause injury to workers and damage to the axial magnetic bearing due to collision
Method used
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Embodiment 1
[0032] Such as Figure 1-7 A magnetic levitation motor assembly tool is shown, the tool includes a first tool 1, a second tool 2, a third tool 3 and a fourth tool 4; the first tool 1 is provided with a supporting surface 11 and a first hole 12, supporting The surface 11 is used to fit and support the end face of the front bearing seat, and the first hole 12 is used to accommodate the front end of the rotor protruding from the front bearing seat; the second tooling 2 is provided with a second hole 21 and a tooling opening 22 arranged radially, and the second The hole 21 is used to be set on the outer wall of the rotor. The second tooling 2 is divided into two parts that are not connected at the position of the tooling opening 22, and the material of the second tooling 2 is sponge; the third tooling 3 is provided with a tooling boss 31, and the tooling The boss 31 is provided with an axially penetrating boss inner hole 32; the boss inner hole 32 is used to be sleeved on the oute...
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The invention relates to the field of magnetic suspension motors, in particular to a magnetic suspension motor assembly tool, a motor and an assembly method. The tool comprises a first tool body, a second tool body, a third tool body and a fourth tool body, wherein the third tool is provided with a tool boss, and the tool boss is provided with a boss inner hole penetrating in the axial direction; and the fourth tool is provided with a positioning groove. According to the tool, the outer wall of the fourth tool is matched with a rear bearing seat and a rotor hole position of a motor stator, and meanwhile, the positioning groove is matched with the outer surface of the rear end of a rotor; the rotor is guided to prevent the rotor from moving left and right during assembly, so that damage to the surface of the rotor caused by collision and friction between the rotor and a motor stator due to magnetic force is avoided; and meanwhile, the tool boss is arranged between the inner hole of the axial magnetic bearing and the outer wall of the rotor to prevent the axial magnetic bearing from colliding with the outer wall of the rotor, and the fourth tool made of a sponge material is arranged below the axial magnetic bearing to prevent the axial magnetic bearing from suddenly falling off due to the action of attraction to cause injury to workers and damage to the axial magnetic bearing.
Description
technical field [0001] The invention relates to the field of magnetic levitation motors, in particular to a magnetic levitation motor assembly tool, a motor and an assembly method. Background technique [0002] With the development of science and technology and the demand of production, magnetic levitation high-speed motor has become one of the hot spots in the field of international electrotechnical research. Due to the advantages of high energy density, small structural size, and high efficiency, the magnetic levitation high-speed motor has been widely used in industrial fields such as micro gas turbines, high-speed centrifugal compressors, molecular pumps, high-speed machining centers, and flywheel energy storage. growing. During the working process of the magnetic levitation motor, the stability of the motor rotor is the key to ensure the smooth and efficient operation of the motor. The magnetic properties of the permanent magnets of the motor rotor and the dynamic bal...
Claims
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IPC IPC(8): H02K15/00H02K15/14H02K15/02H02K15/03H02N15/00H02K7/09H02K5/16
CPCH02K15/00H02K15/14H02K15/02H02K15/03H02N15/00H02K7/09H02K5/165
Inventor 袁军钟仁志徐功义项懂欣
Owner XINLEI COMPRESSOR CO LTD