Alloy bucket with locking apparatus

The utility model belongs to the field of the technology of equipment. The utility model provides a container with a locking device for shipping and storing alloy materials, It consists of main body, fixed cover, active cover, lifting rod, hinge, torsion spring for turning cover, spring lock, guide roller and supports for steel rope, traction steel rope and suspension ring of steel rope. After load alloy materials, presses down the active cover to make the spring lock installed beneath active cover spring out automatically and clip on the edge of steel plate of the container, thus active cover is locked up deadly and can not be opened from outside. After the container is handled onto the supports of unloading opening on the top end of storehouse in factory, the cone-shaped bottom of container is hanged in the air and lets down by driving of alloy materials weight, then the traction steel rope hanged on the lifting rod is driven to make the spring lock exit from the edge of steel plate of the container, only at this time, the torsion spring installed on the pin shaft of hinge of active cover can rise the active cover automatically and the active cover can be opened.