Aerial replacement tool for supporting pin shaft of wind power gear box

The invention relates to the technical field of wind power generation, in particular to a wind power gear box supporting pin shaft aerial replacement tool which comprises a walking mechanism, a supporting frame is arranged on the walking mechanism through a connecting mechanism, a fixed pulley is arranged on the supporting frame, a pulling mechanism is arranged on the fixed pulley, and the pulling mechanism is used for lifting a lifted object. The walking mechanism comprises a clamping plate, a double-rod hydraulic cylinder and a first hydraulic cylinder. The two ends of the first hydraulic cylinder are fixedly connected with double-rod hydraulic cylinders, and the two ends of the two double-rod hydraulic cylinders are fixedly connected with clamping plates. According to the invention, the replacement time of the supporting pin shaft is saved, and the maintenance progress can be accelerated. 本发明涉及风力发电技术领域，尤其是一种风电齿轮箱支撑销轴空中更换工装，包括行走机构，所述行走机构上通过连接机构设置有支撑架，所述支撑架上设置有定滑轮，所述定滑轮上设置有拉动机构，所述拉动机构用于对起吊物升高，所述行走机构包括夹板、双杆液压