Axle load is fine positioning device for experiment

The utility model discloses an axle load is fine positioning device for experiment, including one columniform footstock (2), the top of footstock (2) is provided with sucking disc (1) of infundibulate, and the bottom of footstock (2) is provided with positioner box (5), and positioner box (5) also are cylindrical structures, and positioner box (5) are coaxial with footstock (2), be provided with a plurality of accent flush nut subassemblies (3) between footstock (2) and positioner box (5), be provided with air level (4) on the horizontal plane of positioner box (5), laser emitter (8) and positioner box (5) and footstock (2) coaxial setting. The utility model discloses can accurately when the axle load is experimental confirm the test piece position, reduce the test piece and lay position error, save the test piece time of laying, the utility model discloses set up the sucking disc, the instrument of being convenient for adsorbs at jack chassis center, sets up accent flush nut subassembly and air level, reduce