The utility model discloses a shifting fork
clutch gear conversion box for an offshore
renewable energy comprehensive platform, which is characterized in that a shifting fork is Y-shaped, the top of the shifting fork is connected with a snap ring of a sliding gear, the bottom of the shifting fork is slidably mounted on a guide shaft, the guide shaft is parallel to a first transmission shaft and a second transmission shaft, and a spring is sleeved on the guide shaft; a magnetic
clutch is arranged close to the end of the guide shaft and used for attracting the shifting fork after being powered on so as to drive the sliding gear to slide along the first transmission shaft, and the spring is used for driving the shifting fork and the sliding gear to reset after the magnetic
clutch is powered off. The device meets the use requirements of a surge
power generation system, has the function of changing input steering and keeping output steering unchanged on one hand, has the clutch function on the other hand, does not need to replace quick-wear parts regularly, solves the problem of difficulty in offshore maintenance, improves the
operation safety, prolongs the service life of the parts, and ensures the continuous and stable operation of an offshore platform.