| 摘要 |
The present invention relates to an underfloor wheelset lathe for machining the profile of wheels ( 8, 9 ) of wheelsets for railway vehicles, in which the wheelsets are rotatably mounted in axle bearing housing outside the wheels ( 8, 9 ), with a machine bed ( 10 ), two supports mounted on the machine bed that can be moved in the X and Z-axis direction of the underfloor wheelset lathe and are provided for holding tools for the machining, entry track rails ( 5, 6 ) that can be removed during machining for positioning the wheels ( 8, 9 ) over the tools, clamping elements for gripping the axle bearing housings, roller pairs for each wheel ( 8, 9 ) for lifting, driving and lowering the wheelset before, during and after machining. The underfloor wheelset lathe is intended for installation in an inspection shaft ( 1 ) for rail vehicles. It has a machine bed ( 10 ) with a vertical height ( 11 ) that is less than the depth ( 2 ) of the inspection shaft ( 1 ). A lateral recess ( 15, 16 ) is located in the inspection shaft ( 1 ) in the area of each of the ends of the machine bed ( 10 ) for the purpose of accommodating the clamping elements, drives for the roller pairs and the removed entry track rails ( 5, 6 ).
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