Downhole jet flow auxiliary drilling speed increasing device

The utility model discloses a downhole jet flow auxiliary drilling speed increasing device and belongs to the technical field of petroleum drilling. The downhole jet flow auxiliary drilling speed increasing device comprises an outer shell body, a bearing, an upper fixing hole plate, a flow guide vane, a matching barrel, a lower fixing hole plate, a central through hole shaft, a rotating sealing block, an eccentric shaft, a periodical flow guide plate, a hydraulic cylinder, a piston, a spring, a pulse flow guide pipe and a high-pressure guide hole. A flow disturbing through hole is connected with the upper cavity of the hydraulic cylinder, and a flow disturbing blind hole is connected with the pulse flow guide pipe. The upper portion of the outer shell body is connected with a drilling pipe column through threads, and the lower portion of the outer shell body is directly connected with a drill bit through lower connector threads. The downhole jet flow auxiliary drilling speed increasing device comprises the ou