Explosion-proof three-phase asynchronous outer rotor motor

A three-phase asynchronous, external rotor technology, applied in asynchronous induction motors, electric components, electrical components, etc., can solve the problems of inability to achieve explosion-proof effects, restrict the use of external rotor motors, and motor isolation

Inactive Publication Date: 2011-11-23
WUXI XISHAN SPECIAL FAN
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The existing external rotor motor, due to the inherent structure of the external rotor motor, the end cover and the rotor cannot reasonably isolate the electrical part of the motor from the outside world
Unable to achieve explosion-proof effect, which restricts the use of external rotor motors

Method used

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  • Explosion-proof three-phase asynchronous outer rotor motor
  • Explosion-proof three-phase asynchronous outer rotor motor
  • Explosion-proof three-phase asynchronous outer rotor motor

Examples

Experimental program
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Embodiment Construction

[0014] The present invention will be further described below in conjunction with specific drawings and embodiments.

[0015] The flameproof three-phase asynchronous external rotor motor includes a motor stator 3 and a stator coil 11 installed on a main shaft 9, an outgoing wire 10 is connected to the stator coil 11, a bearing 2 is installed in the main shaft 8, and a main shaft 9 The motor rotor 1 is installed through the rotation of the bearing 2, the fastening bolt 7 is screwed on the end of the main shaft 9, the sealing cap 9 is installed on the fastening bolt 7, and the end is fixed on the main shaft 9 through the fastening bolt 7. Cover 4, a connecting sleeve 6 is fixedly installed on the end cover 4, and the connecting sleeve 6 has a shaft retaining ring 5 matched with the end cover 4. The lead-out line 10 penetrates into the connecting sleeve 6, and the lead-out line 10 Explosion-proof packing 12 is filled between the outer wall and the inner wall of the connecting slee...

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PUM

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Abstract

The invention relates to an explosion-proof three-phase asynchronous outer rotor motor. The motor comprises a motor stator and a stator coil which are arranged on a main shaft. An outgoing line is connected to the stator coil. A bearing is arranged in the main shaft. A motor rotor is arranged on the main shaft in a rotating way by the bearing. A fastening bolt is screwed on the end part of the main shaft. A sealing cap is arranged on the fastening bolt. An end cover is fixedly arranged on the main shaft by the fastening bolt. A connecting sleeve is fixedly arranged on the end cover. The outgoing line is inserted into the connecting sleeve. An explosion-proof filler is filled between the outer wall of the outgoing line and the inner wall of the connecting sleeve. The outgoing part of the motor is provided with the connecting sleeve and epoxy resin is filled in a gap after the outgoing line is inserted to effectively isolate explosive gases; and certain assembly precision and certain axial jointing lengths are adopted for all jointing surfaces to effectively achieve an isolation effect.

Description

technical field [0001] The invention relates to an outer rotor motor, in particular to a flameproof three-phase asynchronous outer rotor motor. Background technique [0002] With the popularization of external rotation motors with short axial installation space and small requirements, in order to adapt to the working environment of dust and oil mist, the requirements for explosion protection of motors have been correspondingly improved. In the existing external rotor motor, due to the inherent structure of the external rotor motor, the end cover and the rotor cannot reasonably isolate the electrical part of the motor from the outside world. The explosion-proof effect cannot be achieved, which restricts the use occasions of the outer rotor motor. Contents of the invention [0003] The purpose of the present invention is to overcome the deficiencies in the prior art and provide a flameproof three-phase asynchronous outer rotor motor that can ensure the function of flameproo...

Claims

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Application Information

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IPC IPC(8): H02K17/12H02K5/136
Inventor 陆志林
Owner WUXI XISHAN SPECIAL FAN
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