Protective device for ship berthing

The protection device comprises a bottom frame installed on the shore side, installation frames are arranged on the bottom frame, a motor is further fixedly installed on the bottom frame, the motor is in transmission connection with the installation frames through a gear set, a rotating shaft is rotationally installed between the installation frames, the rotating shaft is sleeved with a pin roller, and the pin roller is in transmission connection with the installation frames through a gear set. The two ends of each hydraulic telescopic rod are detachably fixed to the two adjacent bottom frames respectively, a sliding way is fixed to the shoreside, the bottom frames are installed on the sliding way in a sliding mode, and the bottom frame on one edge is fixed to the shoreside. The anti-impact mechanisms are additionally arranged on the shoreside, and the multiple anti-impact mechanisms are installed and distributed along the shoreside, so that the shoreside is covered with enough anti-impact mechanisms, the shi