Hydroelectric machine that dives uses detachable fixing device

The utility model relates to a fixing device, concretely relates to hydroelectric machine that dives uses detachable fixing device, including base and bottom plate, the base top, the equal relativelyfixed in bottom plate bottom has the connecting rod, link to each other through the spring between the connecting rod, the base top, the bottom plate bottom is located and all is fixed with the cassette between the connecting rod, be equipped with the gasbag between the cassette, be equipped with damping rings between connecting rod and the cassette, it is fixed with the roof that the bottom platepasses through the bracing piece, seted up on the roof and placed the opening, the bottom plate, the roof side is equipped with the curb plate relatively, the curb plate passes through fixing bolt and bottom plate, the roof is fixed, fixing bolt and bottom plate, the equal threaded connection of roof, the curb plate passes through the spring and links to each other with the clamp plate, relatively fixed has the stopper on