Nut-screw rod type jacking mechanism

The utility model relates to the technical field of a production line, in particular to a nut-screw rod type jacking mechanism. The nut-screw rod type jacking mechanism comprises a reducing motor, a sprocket chain component, a movable plate, a screw rod, a nut, a guide plate and a trunnion mechanism, wherein the reducing motor is in driving connection with the screw rod through the sprocket chain component; the screw rod is in threaded connection with the nut; the nut is connected with the trunnion mechanism; and the trunnion mechanism is in rail connection with the guide plate, and is connected with the movable plate. Through the adoption of the structure, the jacking mechanism has the advantages that the jacking stroke is larger; the structure is simpler; the operation is stable; the transmission power is large; and practical production requirements can be met.