Energy control and power locking
Case 1:12.2.20, the stamping equipment maintenance staff shi mou and the group leader li mou used the stoppage time to replace the damaged cylinder sealing ring of the welding torch of no. After li confirmed that the main pressure of the welder was closed, shi began to remove the cylinder head of the welding gun after several stroke closing/opening operations. When he was about to remove the last screw of the cylinder head, the cylinder head suddenly popped up and hit him in the face.
Case 2: on December 6, four maintenance personnel in the painting workshop checked the sensor fault of the 55-1 roll bed near the lift 54 on line B of the front treatment. Two maintenance personnel were under the roll bed, and the other two maintenance personnel and the district chief were standing on the right side of the 55-1 roll bed. The Lockout tagout was not implemented, and the proximity switch on the rolling bed failed, resulting in a collision between the two cars. The maintenance staff was frightened. Fortunately, the guide block on the roll bed will be blocked by the collision body, otherwise the three employees standing on the side of the roll bed will be caught by the car body and the wall.