Inner steel mould for accurately positioning tower column cable sleeves of cable-stayed bridge

An inner steel mould for accurately positioning the tower column cable sleeves of a cable-stayed bridge is of a quadrangular tube structure, one side tube wall of the inner steel mould is bent towards the inside of the tube, a cable sleeve mounting plate is formed in the tube, a cable sleeve mounting hole is arranged on the cable sleeve mounting plate, a cable sleeve positioning block is arranged at the periphery of the cable sleeve mounting hole, and a cable sleeve positioning support is fixedly arranged below the cable sleeve mounting plate and on the outside wall of the tube of the inner steel framework.