Multifunctional cable laying device

The invention relates to a multifunctional cable laying device, and belongs to the technical field of pulley blocks for power construction. Comprising a lower triangular supporting frame and an upper triangular supporting frame, the bottom of the upper triangular supporting frame is fastened to a main vertical pipe through a fixing pin, the top of the lower triangular supporting frame is fixed to the exterior of the main vertical pipe, a cantilever mechanism with the adjustable height and length is screwed to the exterior of the main vertical pipe, and the tail end of the cantilever mechanism is provided with a pulley block capable of enabling the joint of a cable and a traction rope to smoothly pass through a corner. The bottom of the main vertical pipe is sleeved with an inner vertical pipe, the main vertical pipe and the inner vertical pipe are fastened into a whole through inner and outer vertical pipe fixing pins, a jack with a jack tray is installed at the bottom of the inner vertical pipe, a plurality