Side slope protection device for water conservancy and hydropower engineering

The slope protection device comprises a positioning assembly, the lower portion of the left end of the positioning assembly is fixedly connected with an upper-layer slope protection net, the left portion of the upper end of the upper-layer slope protection net is connected with two first positioning cones in a penetrating mode, and the front portion and the rear portion of the right end of the positioning assembly are both fixedly connected with first supporting blocks; a rotating block is jointly and movably connected between the two first supporting blocks through bearings, a lower slope protection net is fixedly connected to the lower portion of the right end of the rotating block, six second supporting blocks are fixedly connected to the upper portion of the right end of the rotating block at equal intervals and are divided into three groups, and a plurality of connecting assemblies are arranged at the right ends of the three groups of second supporting blocks. The right ends of the three rightmost connec