System for commercial vehicle steering adjusting

A system for commercial vehicle steering adjusting comprises a segmented steering straight pull rod and a monitor system. The segmented steering straight pull rod is composed of a rotating shaft, a front connecting rod, a front spherical head pin, a rear connecting rod and a rear spherical head pin. The position, interfering with a wheel, of the rotating shaft is bent. The front end of the rotating shaft is rotationally connected with the tail end of the front connecting rod. The front end of the front connecting rod is connected with the front spherical head pin. The tail end of the rotating shaft is rotationally connected with the front end of the rear connecting rod. The tail end of the rear connecting rod is connected with the rear spherical head pin. The monitor system comprises a diaphragm type pressure sensor, a drive motor, a single-chip microcomputer, an adjusting switch and an alarm. The diaphragm type pressure sensor is fixed to the position, making contact with the rotating shaft, of the wheel. Th