The invention discloses a self-locking lifting hook for a crane and relates to accessories of hoisting equipment. The self-locking lifting hook is characterized in that a connector is connected between the lifting hook and the upper part of a hook body, wherein an electric self-locking device is mounted on the connector and the lifting hook body; the electric self-locking device comprises a pressure sensor, a self-locking pin, a motor and a gear; a pin hole is formed in the connector, the self-locking pin which is a rack pin is mounted in the pin hole, and a rack on the self-locking pin is engaged with the gear; the gear is mounted on a shaft of a motor; a lock hole is formed in the lifting hook, and the lock hole and the pin hole are concentric; the pressure sensor, the motor and a circuit system are connected to form a circuit. The pressure sensor is mounted on an inner arc-shaped face of the lifting hook body. The self-locking lifting hook provided by the invention has the characteristics of novel structure, simplicity and convenience in processing, convenience in use, safety, reliability, strong automation and the like, so that the self-locking lifting hook is the novel self-locking lifting hook for the crane integrating economy and practicality.
Self-locking lifting hook for crane
2015-06-03
Patent
Electronic Resource
English
IPC: | B66C Krane , CRANES |