Crank type lever for disassembling fixing screws of elastic elements of tail nozzles of engines

A crank type lever for disassembling fixing screws of elastic elements of tail nozzles of engines belongs to the field of the engine repair technology, can reasonably and effectively disassemble the fixing screws on the elastic elements of the tail nozzles, stops potential quality hazards and meets the disassembly requirement. The crank type lever comprises a rocking handle with a crank, a handle with a groove is arranged at an auxiliary positioning end of the crank, the auxiliary positioning end of the crank is disposed in the groove of the handle, an adaptor is arranged at a working end of the crank, a threaded hole is disposed at one end of the adaptor while a square head is arranged at the other end of the adaptor, the threaded hole of the adaptor is connected with the working end of the crank in a threaded manner, the square head corresponds to a square hole at one end of a lever head, and a tool bit is disposed at the other end of the lever head.