Safety rope fixing device for assisting pier top construction

The utility model belongs to the technical field of pier top operation safety protection, and particularly relates to a safety rope fixing device for assisting pier top construction. Comprising an inner supporting clamp and a support connected with the inner supporting clamp. The inner supporting clamp comprises a middle linear feeding mechanism and a top supporting part surrounding the linear feeding mechanism. The linear feeding mechanism comprises a lead screw, a supporting sleeve and a sliding part. The lead screw penetrates through the center of the supporting sleeve, and the sliding piece is screwed with the lead screw in a threaded mode in the supporting sleeve. The top supporting part comprises an anchor plate and two top supporting rods, one ends of the two top supporting rods are hinged to the same hinge point on the anchor plate, and the other ends of the two top supporting rods are hinged to the sliding piece and the supporting sleeve correspondingly; the bracket is connected with the exposed part