The utility model relates to the technical field of crane sliding wire support installation, in particular to a safety hanging basket special for sliding wire support installation. The anti-tipping basket comprises a basket body, a frame, an anti-tipping support, a hanging beam and a locking block, The basket body is of a basket-shaped structure with an opening in the top, the basket body is detachably fixed to the bottom of the frame, and the frame is provided with a cross arm which is arranged on a crane rail girder. The anti-rollover support is fixed outside the basket body and located below the cross arm; The hanging beam is composed of a rod body and a hook, the rod body is fixed to the top of the frame, and the hook is hung on a transverse rod of a crane platform handrail and lockedwith a nut through a locking block. The operation platform for installing the crane slide wire support is provided, the installation efficiency is improved, and the construction cost is reduced.