Compensated underwater brushless DC motor structure and assembly method thereof
A technology of brush DC motor and compensation type, which is applied in the field of compensation type underwater brushless DC motor structure and assembly, which can solve the problems of motor debugging, difficult assembly, complicated compensation form, cumbersome structure, etc., and achieve scientific installation and fixation problems, convenient inspection and maintenance, and the effect of simplifying the motor structure
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Embodiment 1
[0025] Embodiment 1: Motor structure
[0026] The structure of the motor adopts a modular design, and the main modules include a motor end cover assembly 1 , a motor body 2 and a compensator device 3 . Among them: the motor end cover assembly 1 is located at the front end of the motor, and is fixedly connected with the motor body 2 through radial screws of the motor, and its interface position is radially statically sealed with an O-shaped sealing ring; the compensator device 3 is located at the tail of the motor, and through the motor The axial screw is fixedly connected with the motor main body 2, and the interface position is statically sealed by compressing the sealing ring of the compensator bladder in the axial direction.
[0027] The motor end cover assembly 1 includes a motor end cover gland 4, a rotating seal body 5, a motor rotor front end bearing 7 and a motor end cover 6, wherein the motor rotor front end bearing 7 is positioned on the motor end cover 6 through the...
Embodiment 2
[0030] Embodiment 2: assembly method
[0031] As shown in Figure 2, the motor stator 9 and the motor housing 10 are assembled in a hot melt state; the motor rotor rear end bearing 11 is embedded in the bearing groove in the cavity of the motor housing 10; the motor rotor 8 is put into the motor stator 9 In the inner cavity, the bottom end of which is embedded in the motor rotor rear end bearing 11; the magnetic ring 12 is fixedly connected to the motor rotor 8 through radial positioning rivets 13; the motor rotor front end bearing 7 is positioned in the bearing groove of the motor end cover 6; The lip opening of the rotary sealing body 5 is fixed in the sealing groove of the motor end cover 6 through the motor end cover gland 4 in such a way that it faces the inner side of the motor; the motor end cover gland 4 is fixedly connected to the motor end cover 6 by axial connecting screws ; Under the guidance of the motor rotor 8 and the motor rotor front end bearing 7, the position...
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