Explosion -proof electric gourds are mainly composed of rising and running motors, control boxes, control buttons, and limited positions. They are all explosion -proof devices. Explosion -proof electric gourds are divided into: explosion -proof ring chain electric gourd and explosion -proof steel wire rope electric gourd. In order to use, maintain and repair the convenience, explosion -proof electric motors, explosion -proof control boxes, explosion -proof control buttons, explosion -proof limit switches, and explosion -proof weight limiters are independent and can be opened and maintained separately.