| 摘要 |
PURPOSE: An opening and closing structure of a vacuum or pressure tank is provided to prevent injuries to a worker and damages to an object when the worker or the object is caught in the gap between a door and a main body. CONSTITUTION: An opening and closing structure of a vacuum or pressure tank comprises a main body (1) and a door (2). The main body is fixed to the ground. The door moves in the longitudinal direction of the main body. An object support (23) protruding to the inside of the main body is integrally formed on the door. A pair of rails (3) are formed on the bottom of the main body. A door carrier (10) having wheels (9) moves along the rails. The door is installed on the door carrier to be opened and closed when the door carrier moves. |
