U-shaped sub-frame Stiffness Test apparatus

The present invention discloses a U-shaped sub-frame Stiffness Test apparatus belonging to technical field detecting member railway wagon. It includes a left positioning bar, the right positioning rod slidably connected to the two beams, and a dial indicator spud; further comprises a L-shaped mounting base; lateral sides of the L-shaped mount has a slot, the slot disposed dial ; the longitudinal sides of the sliding beam connected to the L-shaped mount; positioning seat provided with a U-shaped opening at one end, the other end is provided with an end plate; dial indicator jack contact with the end plate. The present invention is simple and compact structure, quick to install, secure, reliable and durable, easy to manufacture; ensure the accuracy and reliability of the test. Test low cost, versatility and flexible operation.