6results about How to "Smooth vertical movement" patented technology

The utility model relates to the field of railway bridge accessory facilities discloses a kind of anti-falling railway bridge sidewalk step plate connecting piece, including bridge support, the inner surface of bridge support is provided with anti-falling connection component, the anti-falling connection component includes anti-loose connecting plate, the anti-loose connecting plate is fixedly connected with the inner surface of bridge support by U-shaped connecting bolt, the top of U-shaped connecting bolt is penetrated and is threadedly connected with limiting nut, the inner surface top of bridge support is inserted with sidewalk step plate, in the utility model, by setting anti-falling connection component, bolt loosening caused by vibration and other factors during the operation of railway bridge can be effectively prevented, anti-loose connecting plate and support are fixedly connected by U-shaped connecting bolt simultaneously, the stable connection between step plate and bridge support is realized, the stability and security of step plate in use process are guaranteed, multiple bridge supports can also be connected together.