Vehicle positioning device for vehicle vision calibration, and positioning adjustment method and system

A vehicle positioning device for vehicle vision calibration, comprising:

• a base;
• a chassis on which a to-be-calibrated vehicle is placed, wherein the chassis is provided with a stopper configured to limit movement of the to-be-calibrated vehicle along a Y-axis direction in a three-dimensional coordinate system;
• a translation mechanism arranged between the chassis and the base and configured to drive the chassis to move along an X-axis direction in the three-dimensional coordinate system relative to the base in accordance with a translation control instruction;
• a rotation mechanism arranged between the chassis and the base and configured to drive the chassis to rotate about a Z-axis in the three-dimensional coordinate system relative to the base in accordance with a rotation control instruction;
• a first through-beam sensor array comprising two groups of first through-beam sensors arranged opposite to each other across the chassis along the X-axis direction, each group comprising a plurality of first through-beam sensors;
• a second through-beam sensor array comprising two groups of second through-beam sensors arranged opposite to each other across the chassis along the Y-axis direction, each group comprising a plurality of second through-beam sensors;
• and
• a general control unit configured to generate the translation control instruction in accordance with a shielding state of the first through-beam sensor array and to generate the rotation control instruction in accordance with the shielding state of the first through-beam sensor array and a shielding state of the second through-beam sensor array.