Flexible bending-resistant flat cable for travelling crane

The utility model relates to the technical field of cables, in particular to a flexible bending-resistant flat cable for a travelling crane, which comprises an outer sheath, a supporting piece and a plurality of wire cores, the outer sheath is filled with a flame-retardant filler. The supporting piece is located in the outer sheath, and the supporting piece comprises a connecting piece and two supporting pieces; the connecting piece and the supporting pieces are integrally formed, the two supporting pieces are located at the two ends of the wide edge of the connecting piece respectively, the connecting piece and the two supporting pieces form an I-shaped structure, and the supporting pieces abut against the inner wall of the outer sheath; and the plurality of wire cores are arranged between the two supporting sheets in parallel. According to the technical scheme, the connecting sheets and the supporting sheets form an I-shaped supporting structure, and the plurality of wire cores are arranged between the two