Double-station air pressure bar durability testing machine

The utility model relates to the field of office chair air pressure bar testing, and discloses a double-station air pressure bar durability testing machine which comprises a frame, an upper top plate fixedly connected to the upper end of the frame, a lower bottom plate fixedly connected to the bottom end of the frame, a control box fixedly connected to the top end of the frame, and two sets of sliding rails fixedly connected to the bottom end of the frame. Clamping mechanisms are arranged on the outer sides of the two groups of sliding rails, two groups of testing mechanisms are arranged at the top end of the lower bottom plate, each clamping mechanism comprises a roller mounting plate, a sliding roller, a detachable mounting block, an air pressure rod mounting seat and a handle, and each testing mechanism comprises an air cylinder, an air pressure rod, a pressure head, a temperature detection sensor and an operation panel. According to the utility model, the air pressure rod to be tested is placed in the cla