Maintenance pruning device for municipal green belt

The invention discloses a municipal green belt maintenance pruning device which comprises a main body, a walking mechanism is arranged on one side of the main body, a mechanical arm is arranged on the walking mechanism, a cutting knife is arranged on the lower surface of the main body, and a connecting rod is arranged at the position, close to the walking mechanism, of the upper surface of the main body and used for forming relative rotation with the main body. A cavity is formed in the position, corresponding to the connecting rod, in the main body, the upper end of the connecting rod is connected with the mechanical arm, the lower end of the connecting rod extends into the cavity, the lower side position of the circumferential outer side face of the connecting rod is rotationally connected with the main body, and a rotating mechanism is arranged in the cavity and used for driving the main body to rotate and cross an obstacle. Through the arrangement of the telescopic part and the compression part, when the