Non-contact vehicle frame idling vibration sensing and monitoring system

The invention discloses a non-contact vehicle frame idling vibration sensing and monitoring system, and the system comprises a testing device which comprises a testing case and a connecting rod connected to the lower part of the testing case; the support comprises a tripod, a support lower cylinder located on the tripod and a support upper cylinder arranged outside the support lower cylinder in a sleeving mode, and the support upper cylinder is connected with the connecting rod through a connecting assembly; the connecting assembly comprises a mounting base connected with the support upper cylinder and a connecting plug connected with the connecting rod, and the mounting base is detachably connected with the connecting plug; a positioning hole is formed in the side face of the support upper cylinder, a positioning screw is installed in the positioning hole, and the end of the positioning screw abuts against the surface of the support lower cylinder. According to the invention, the interference of the addition