Traction wheel distance adjusting system and glass production line

The invention relates to a traction wheel distance adjusting system and a glass production line. The traction wheel distance adjusting system comprises a traction device, a PLC system, a diameter detector and an adjusting mechanism. The traction device comprises a frame body, an upper traction wheel set and a lower traction wheel set, the upper traction wheel set and the lower traction wheel set are rotationally connected to the frame body, and the upper traction wheel set and the lower traction wheel set are oppositely arranged; the diameter detector is located at the discharging end of the traction device, the diameter detector is used for detecting the diameter of the glass tube output by the traction device, and the diameter detector is electrically connected with the PLC system; the adjusting mechanism is in transmission connection with the lower traction wheel set and electrically connected with the PLC system, and the PLC system is used for controlling the adjusting mechanism to drive the lower tractio