A flow-
cutting channel type
water turbine comprises a
machine shell, a main shaft, a turning wheel, and a separation body. At least three pairs of vanes which are capable of being folded and unfolded are evenly arranged on the turning wheel. A
water channel inside the
water turbine is divided into one channel or more channels by the separation body. The
water channel is perpendicular to a rotary shaft. A water inlet of the
water channel is connected with a high-pressure water conduit. A water outlet of the water channel is connected with an exhaust
water pipe. A vane chamber is arranged on each vane. A limiting portion capable of being unfolded by a certain degree is arranged on the vane chamber. The direction of high-pressure water flowing into the water channel is perpendicular to the direction of the front side of the vane when the vane is unfolded. Speed and direction of the water are the same as those of each vane and the turning wheel is pushed to rotate. Water power is efficiently converted into mechanical power by the vanes. A slope sliding block is arranged on one lateral side, with low
water pressure, of the separation body, wherein the slope sliding block is capable of guiding the vanes to be folded and then enabling the vanes to enter the vane chambers of the vanes. The vanes are automatically unfolded through a spring at the position of an inlet of high-pressure water after passing through the separation body in a rotating mode. The flow-
cutting channel type
water turbine has the advantages of being high in efficiency, simple in structure, easy to
machine and manufacture, and easy to popularize.