Double-station loading life test bench

A lead screw testing area and a T-shaped workbench are arranged on a rack lathe bed, a rear fixing support is installed in the lead screw testing area, the lead screw testing area is connected with a front fixing support through a linear guide rail and used for clamping a tested lead screw, a servo driving mechanism installed on the rack lathe bed is arranged behind the rear fixing support, and the T-shaped workbench is arranged on the rack lathe bed. The servo driving mechanism is connected with a tested lead screw, the loading frame is installed on the portion, between the front fixing support and the rear fixing support, of the rack lathe bed through a linear guide rail, the loading frame is connected with a tested lead screw nut or a tested electric cylinder, and the loading oil cylinder is connected with the loading frame and used for providing loading force. The T-shaped workbench is used for installing the tested electric cylinder, and the tested electric cylinder and the tested lead screw share the lo