| 摘要 |
PURPOSE: A hook fixing part of crane wire connecting device is provided to facilitate processes by securely fixing a hook by converting the rotation action of an air motor into reciprocation. CONSTITUTION: A pair of hook fixed brackets(21) is located in a hook fixing part of crane wire connecting device at a regular interval so that a hook can be inserted on the top of the wire connection device. A reinforcement plate is fixed on a fixed shaft insert hole. The hook fixing unit comprises a housing(24), a hook fixed axis(25), a helical axis(26) and a pneumatic motor(27). The housing comprises one or more guide projection. The hook fixed axis comprises the threaded hole and guide groove. The hook fixed axis is inserted into the housing and is deviated in the fixed axis inserting hole as insertion. The helical axis comprises the screw thread corresponding to the threaded hole. The pneumatic motor includes the reducer and air control switch and rotates the helical axis. |
