Multi-section search and rescue robot

The utility model discloses a multi-section search and rescue robot which comprises a robot body, a machine frame is arranged on the surface of the robot body, a driving mechanism is arranged on the machine frame, a connecting assembly is arranged at the end of the robot body and comprises installation grooves formed in the front end and the rear end of the robot body, and installation plates are rotationally connected into the installation grooves through bearings. A hemispherical connecting piece is hinged to the end part of one mounting plate, and a spherical connecting piece is hinged to the end part of the other mounting plate; the hemispherical connecting piece comprises an upper connecting part and a lower connecting part, hemispherical blocks are arranged at the ends of the upper connecting part and the lower connecting part, limiting grooves are formed in the surfaces of the hemispherical blocks, and arc-shaped grooves communicated with the limiting grooves are further formed in the surfaces of the h