Gate frame fixing device

The utility model discloses a gate frame fixing device which comprises a concrete base, a door frame body is arranged in the concrete base, a gate is connected in the door frame body in a sliding mode, a hanging ring is fixedly connected to the top of the gate, and a steel strand is inserted in the hanging ring in a penetrating mode. The top end of the steel strand penetrates to the top of the door frame body. According to the utility model, the dismounting mechanism is arranged, the dismounting rod is pulled towards the two sides, the limiting plate extrudes the spring, meanwhile, the two ends of the dismounting rod are separated from the interior of the T-shaped plug pin, then the door frame body is pulled upwards, the T-shaped plug pin is separated from the interior of the dismounting hole, and dismounting can be completed; and then, the T-shaped plug pin is inserted into the dismounting and mounting hole, and meanwhile, the dismounting and mounting rod is loosened to be rebounded through the spring, and t