Tunnel prefabricated assembly type middle partition wall vertical supporting support

The invention relates to the technical field of tunnel construction, and provides a tunnel prefabricated assembly type middle partition wall vertical supporting support which comprises a tunnel pipe and further comprises a stabilizing frame, an adjusting frame, two supporting boxes, a lifting mechanism, a locking mechanism and a fine adjustment mechanism. The supporting box is arranged on the adjusting frame, the lifting mechanism is arranged in the adjusting frame, the locking mechanism is arranged in the supporting box, the fine adjustment mechanism is arranged in the stabilizing frame, the lifting mechanism comprises a sliding frame, a lifting frame and a sliding rod, the sliding frame is arranged in the adjusting frame in a sliding mode, the lifting frame is rotationally arranged in the sliding frame, and a spring is arranged in the lifting frame; one end of the sliding rod is rotatably arranged in the supporting box, and the other end of the sliding rod is slidably arranged in the lifting frame, and thro