Crown block winding drum limit shaft transition connection device

The utility model discloses a crown block winding drum limit shaft transition connection device which belongs to the technical field of hoisting equipment and is used for realizing the direct matching and mounting of a winding drum limit shaft and a lifting limit position limiter. The technical scheme is that the device comprises a transmission shaft, a gear and a flat key, wherein the transmission shaft is a cylinder; the end face at one end of the transmission shaft is provided with a long strip deflector rod; the deflector rod is matched with a crosshead shoe connecting groove of the winding drum limit shaft, and is embedded in the crosshead shoe connecting groove of the winding drum limit shaft; the other end of the transmission shaft is provided with a plummer block and a key groove; an inner hole of the gear is sleeved on the plummer block; the flat key is arranged in the key groove to enable the gear to be connected with the transmission shaft; the gear is meshed with a gear of the lifting limit positi