Flue plate splicing and mounting device in lower top type tunnel

The utility model discloses a splicing and mounting device for flue plates in a lower top type tunnel. The splicing and mounting device comprises a bicycle frame, the primary jacking movable leg mechanism is arranged on the bicycle frame; the overhead longitudinal track is arranged on the bicycle frame; the longitudinal sports car is arranged on the overhead longitudinal track, and a transverse track is arranged on the longitudinal sports car; the transverse sports car is provided with a secondary jacking device; the secondary jacking device further comprises a flue plate anti-sliding supporting mechanism and a vertical posture adjusting mechanism, and the flue plate anti-sliding supporting mechanism and the vertical posture adjusting mechanism are arranged on the upper portion of the secondary jacking device. The flue plate splicing and mounting device is reasonable and ingenious in structural design, the splicing and mounting efficiency of flue plates in a tunnel is greatly improved, the cost of lifting hoo