| 摘要 |
According to the embodiment of the present invention, an explosion-proof type motor is disclosed. The motor comprises a rotation shaft which is fixed in the motor; a motor frame which is penetrated by the rotation shaft and covers the motor; and a labyrinth seal which is sealed between the rotation shaft and the motor frame and has the labyrinthine structure for blocking flames due to the explosion in the motor explosion test from being spread to the outside of the motor frame while maintaining cracks with the rotation shaft to prevent abrasion when the rotation shaft is rotated, wherein the labyrinth seal can be coupled to the rotation shaft by shrink fit fixation and bolt fixation. |
