Liftable traffic signal lamp support

The utility model particularly relates to a lifting type traffic signal lamp support which comprises a support body, a first sliding groove is formed in the middle of the support body, a lifting rod is arranged at the upper end of the support body in an up-and-down moving mode, a second sliding groove is formed in the lower portion in the lifting rod, and the upper end of the support body is located in the second sliding groove in an up-and-down moving mode. The sliding rod is located in the first sliding groove in a vertically movable mode, a supporting rod is fixedly arranged on the side face of the upper end of the lifting rod, and a first signal lamp is fixedly arranged on the supporting rod. According to the utility model, the up-and-down position of the traffic signal lamp can be adjusted, a plurality of traffic signal lamps can be fixed at different up-and-down positions, the mounting and dismounting are convenient, the lifting rod is externally provided with the bracket so as to move up and down to en