Novel bridge crane capable of quickly fixing slag hopper

The utility model discloses a novel bridge crane capable of quickly fixing a slag bucket, which comprises a main beam, a crane carriage, an operation room, a hoisting mechanism, the slag bucket, a straight rod, a moving mechanism and an electromagnet, the crane carriage and the operation room are respectively arranged on the main beam, the hoisting mechanism and the moving mechanism are respectively arranged on the crane carriage, and the straight rod is arranged on the main beam. The slag hopper is connected with the hoisting mechanism, the hoisting mechanism is used for driving the slag hopper to ascend and descend, the straight rod is connected with the moving mechanism, the moving mechanism is used for driving the straight rod to move in the direction close to or away from the slag hopper, and the electromagnet is arranged on the straight rod. And the electromagnet is connected with the operation room through an electric wire and is used for adsorbing the slag hopper on the straight rod. The construction