Anti-bending tower crane

The utility model relates to construction equipment, and in particular relates to an anti-bending tower crane. The anti-bending tower crane comprises a tower body and a tower base, wherein the outer side of the lower end of the tower body is sleeved by a protecting jacket which is in bolted connection with the tower base and comprises a left half jacket and a right half jacket, and the left half jacket and the right half jacket are detachably connected with each other by virtue of a first tightening bolt; the outer side of the tower base is sleeved by a plurality of layers of hooping jackets which are in sleeved connection in sequence; and each hooping jacket comprises a first half jacket and a second half jacket which are detachably connected with each other by virtue of a second tightening bolt. The anti-bending tower crane disclosed by the utility model can be manufactured in advance, is convenient to move, can be assembled on site according to the need of a required size, and has the beneficial effects of saving the cost, shortening the construction period, effectively protecting the bottom of the crane and avoiding collapsing of the crane caused by a vertical torsional force.