Back of chair detection device

The utility model relates to a back of chair detection device, including longmen testing stand 1, wherein, longmen testing stand 1 includes both sides stand 11, 11 inboards on the stand set up lift track 111, the outside sets up lift control button 112, rotation regulation device 2 sets up the inboard at stand 11, and can lift on lift track 111, locking device 21 sets up on rotation regulation device 2, it connects with rotation regulation device 2 soon to connect 3 both ends on the crossbeam, pressure pole 4 with be connected crossbeam 3 cross connection, 4 upper ends on the pressure pole setup servo motor 43, 4 lower extremes on the pressure pole set up pressure sensor 41, the pressure sensor 41 lower extreme sets up clamp plate 42, pressure pole 4 is connected with outer control your computer electricity with servo motor 43, pressure sensor 41 and outer control your computer signal connection. The utility model discloses rational in infrastructure, it is standardized to detect data, and detection efficienc