Intelligent street lamp capable of intelligently adjusting brightness

The intelligent street lamp comprises a base and a lamp pole, the base is rotationally connected with the lamp pole, and a bearing is arranged at the joint of the base and the lamp pole; a beam is slidably arranged on the lamp pole and provided with a lighting assembly. A lifting pipe is further arranged on the lamp pole in a sliding mode, a locking block is fixedly arranged on the lifting pipe, a locking hole is formed in the base, and the locking block is connected with the locking hole in a clamped mode. A push block is slidably arranged on the lifting pipe, a first connecting rope is arranged between the push block and the cross beam, and the two ends of the first connecting rope are fixedly connected with the push block and the cross beam respectively; the illumination assembly is arranged on the cross beam, the cross beam is arranged on the lamp pole, and the lamp pole is rotationally arranged on the base, so that after the cross beam drives the illumination assembly to descend, the locking blocks can b