Open type steel plate shell motor slot wedge
A motor slot wedge and open technology, applied in the direction of electrical components, electromechanical devices, electric components, etc., can solve the problems that the stator coil cannot be directly cooled, and the cooling of the single cooling air path is poor, so as to achieve high processing and production efficiency and reliability. High performance and stable quality
Inactive Publication Date: 2017-07-04
WENDENG ALLWIN MOTORS MFG
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[0014] The present invention will be further described in detail below in conjunction with the drawings.
[0015] The slot wedge is made of glass fiber and epoxy resin drawn through a forming mold.
[0016] The materials and methods involved in the present invention can be obtained by conventional methods, and the production can be guided according to the instructions.
[0017] Except for the technical features described in the specification, all are the known techniques of those skilled in the art.
[0018] The scope of application involved in the present invention is the stator core with windings of the open steel shell motor
[0019] In summary, this design provides a slot wedge with simple structure, reasonable design, easy manufacture and convenient assembly, which greatly reduces the labor intensity of the staff.
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The invention relates to an open type steel plate shell motor slot wedge. Specifically, by changing design of a conventional slot wedge, the slot wedge which can realize axial ventilation is adopted on a stator of the open type steel plate shell motor; the slot wedge is realized as follows: the open type steel plate shell motor slot wedge is characterized in that a stator slot wedge is designed into groove-shaped; the stator slot wedge and the outer circle of a rotor form a relatively large space to form a cooling air path; and the slot wedge is prepared from glass fiber and epoxy resin through steps of extracting and drawing via a forming die. The open type steel plate shell motor slot wedge has the beneficial effects of the characteristics of reasonable idea, simple operation, high machining and manufacturing efficiency, stable quality and high reliability.
Description
Technical field [0001] The invention relates to a slot wedge of an open type steel plate shell motor, and specifically changes the traditional slot wedge design. The slot wedge capable of axial ventilation is adopted on the stator of the open type steel plate shell motor. Background technique [0002] The current open type steel plate shell motor is equipped with a fan at the inner shaft extension end, a gap is opened between the outer circle of the stator punching piece and the casing, and an air inlet is opened on the casing cylinder and the end cover of the non-fan end. When the rotor rotates, negative pressure is generated at the end with the fan. The external cold air flows through the gap in the outer circle of the stator to achieve the purpose of cooling the stator. [0003] The disadvantages of this structure are: 1. The stator coils are not directly cooled. 2. Only a single cooling air path on the stator has poor cooling. 3. Not suitable for motors with no gaps in th...
Claims
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IPC IPC(8): H02K1/20H02K3/487
CPCH02K1/20H02K3/487
Inventor 马宏伟王莉
Owner WENDENG ALLWIN MOTORS MFG