Explosion -proof hand pulling gourd is a small lifting gourd. It is a mechanical structure, not only simple operation, but also relatively small. There are different load specifications such as 1 ton, 2 tons, 3 tons, 5 tons, 10 tons. The standard length of the chain is 3 meters, and it can also be extended, such as 6 meters, 9 meters, 12 meters. Hand -streaming also is also called the pound and the chain. Compared to electric gourds, it is not limited by power. The lift or decrease of heavy objects by dragging the fiber zipper is strong and durable. After the explosion -proof hand is lifted to hang the goods to the specified location, it is necessary to check whether the placed position is stable to prevent the cargo from crashing. It is necessary to take protection measures according to different materials and different shapes of different materials and different shapes of the explosion -proof hand to avoid damage to the goods. Before the explosion -proof hand pulls the hook, let go of the lifting chain before picking up the hook, that is, moving the handle to reduce the chain, wait for the chain to loosen, and then remove the hook and unload.