Hanging ladder for maintaining electric transmission wire

The invention discloses a hanging ladder for maintaining an electric transmission wire. The hanging ladder comprises hooks, hook ropes, hook disassembling ropes, a crossbeam and a sliding ladder rack; the quantity of the hooks is 2, the hooks are respectively hanged on the electric transmission wire, the hooks are respectively provided with the hook ropes and the hook disassembling ropes, one ends of the hook ropes are fixed to the hooks, the other ends of the hook ropes are fixed along the hook heads of the hooks and downward extend, one ends of the hook disassembling ropes are fixedly arranged at the upper portions of the hooks, and the other ends of the hook disassembling ropes downward extend; and the lower portions of the hooks are provided with connecting blocks, the connecting blocks are provided with transverse through holes, two ends of the crossbeam respectively traverse through the through holes and are provided with stopping parts, and the sliding ladder rack hangs on the crossbeam between the two