BCD type explosion-proof electric hoist, explosion-proof grade are D ⅡBT4 and D ERT CT4, reasonable structure. The first brake and the motor are integrated. Another safety brake on the drum, the safety brake does not use electricity (pure mechanical), is not affected by electricity, when the first brake is working normally, the safety brake does not work, when the first brake failure or other parts damage caused by the heavy slide, the safety brake immediately braking. At the same time, the main body can be suspended on the I-beam rail to run in a straight line for lifting heavy objects.