Class rectangular shield segment joint structure

The present invention provides a class of rectangular shield segment joint structure comprising at least two mutually splicing segments, each segment having a splicing end surface of the tube sheet at the end face opposite sides of the splice are provided with metal fittings, metal fittings the plate member comprises a splicing end surface of the joint, the pipe piece extends from the joint so as to form the hand-hole plate, connection plate is provided with connecting through holes, the through-hole connector mating direction along the tube throughout the splicing end surface of the sheet. The present invention solves the shield connection segment erection problems and to further improve the efficiency and structural strength of the segment joint docking position.