Maintenance device of impulse turbine

The utility model discloses an impulse turbine maintenance device which comprises an impulse turbine body, a fixing block is fixedly connected to the front face of the impulse turbine body, a placing groove is formed in the front face of the fixing block, a sliding groove is formed in the fixing block, and clamping grooves are formed in the four corners of the back face of the sliding groove. A sealing block is arranged on the front face of the fixing block, and a clamping mechanism is arranged on the surface of the sealing block. According to the impact type water turbine, the impact type water turbine body, the fixing block, the placing groove, the sliding groove and the clamping groove are used in cooperation, and the problems that an existing protection cover is fixedly installed on the impact type water turbine through a plurality of bolts, and in the maintenance process of the impact type water turbine, a user firstly needs to take down the bolts on the surface of the impact type water turbine through a