Damping and buffering device for tower crane

The utility model discloses a damping and buffering device for a tower crane. The device comprises fixed pulleys and damping buffer seats, a hydraulic cavity is formed in the damping buffer seat; hydraulic oil is arranged in the hydraulic cavity, a supporting column is arranged between the fixed pulley and the damping buffer seat; the fixed pulley is rotationally connected with the upper end of the support column through a swivel bolt; the lower ends of the supporting columns are located in the damping buffer bases. The beneficial effects of the utility model are that: the utility model discloses reach is: the beneficial effect is: According to the damping and buffering device for the tower crane, the damping and buffering seat is arranged; instantaneous pressure of the steel cable on thefixed pulley is buffered through hydraulic oil. Prevention of fixed pulley wear, meanwhile, a spiral oil groove is formed, heat generated by extrusion and friction of hydraulic oil is absorbed when the hydraulic oil passes th