Axial flow Kaplan turbine runner repairing special platform support device

The invention relates to an axial flow Kaplan turbine runner repairing special platform support device. The device comprises a fixed ring and a support member; the support member is circumferentiallydistributed on the outer circumference of the fixed ring; the circumference of the fixed ring is evenly provided with radial screw holes; top threads are arranged in the radial screw holes; the fixedring is arranged on a runner body in a sleeving mode and is connected and locked with the runner body through the top threads; the support member comprises a vertical support rod, a cross rod and a reinforcing inclined rod; the vertical support rod is connected with the fixed ring; the inner end of the cross rod is connected with the upper end of the vertical support rod; one end of the reinforcing inclined rod is connected with the lower side face of the outer end of the cross rod; one end of the reinforcing inclined rod is connected with the lower portion of the vertical support rod; the fixed ring comprises an upper