Automatic detection system for rear torsion beam

The invention relates to an automatic detection system for a rear torsion beam. The automatic detection system comprises a detection table, a first detection device, a second detection device, a third detection device, a fourth detection device, a fifth detection device and a control cabinet, the number of the first detection devices, the number of the second detection devices, the number of the third detection devices, the number of the fourth detection devices and the number of the fifth detection devices are all two, the first detection devices, the second detection devices, the third detection devices and the fifth detection devices are arranged on the detection table in a bilateral symmetry mode along the center line of the detection table, and driving control over the first detection devices, the second detection devices and the third detection devices is achieved through electric switches in the control cabinet. The first clamping device and the second clamping device are arranged to facilitate the cla