Cable lowering device for deep-hole and large-angle nose-up anchor cable

The invention discloses a cable lowering device for a deep-hole and large-angle nose-up anchor cable. The cable lowering device comprises a camera installation assembly, a protective cover, a guide rod, an extended guide rod and an isolating supporting frame, wherein a camera is fixed to the camera installation assembly; the camera installation assembly is detachably connected with the guide rod;the protective cover is installed on the outer side of the camera installation assembly by an anchor plate enclosing the camera installation assembly; the extended guide rod and the guide rod are connected by threads; the isolating supporting frame transversely sleeves the guide rod; a limiting groove for fixing an anchor cable steel strand is formed in the isolating supporting frame; and an anchor cable and an anchor plate are fixed. According to the cable lowering device for the deep-hole and large-angle nose-up anchor cable, the anchor cable is assisted to carry out cable lowering, the working efficiency of the con