Patent ID: 8210810
Filing Date: 2012-07-03
Classification: F03D,F05B,F16H,Y02E

Abstract:
1. A rotor turning device for rotating a rotation shaft of a wind turbine generator that increases rotational speed of a rotor head with a gear box to transmit a rotation into a generator, comprising: a main body; a fixing member provided on an inner side of the main body that fixes to a coupling arranged between the gear box and the generator of the wind turbine generator; and an operating member provided on an outer side of the main body from the fixing member, to which operational force for rotating the rotation shaft is inputted, wherein the main body includes a pair of semi-circular ring shaped first members that embracingly fixes to a coupling hub of the coupling and a pair of semi-circular ring shaped second members that attaches to a periphery of the pair of first members, and wherein the fixing member is the pair of first members embracingly fixed to the coupling hub, and the operating member is a handle formed by the pair of second members.