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    • 2. 发明授权
    • Rail flange securement clamp
    • 导轨法兰固定夹
    • US5582371A
    • 1996-12-10
    • US517374
    • 1995-08-21
    • John HumphreyDean Wieser
    • John HumphreyDean Wieser
    • E01B7/22E01B7/00
    • E01B7/02E01B2202/046
    • A rail flange securement clamp for adjustably mounting a switch point roller assist apparatus on a railroad rail includes a base plate and a top plate, the top plate generally upwardly spaced from the base plate and an adjustable connection device extending between and connecting the base plate and top plate for increasing and decreasing the distance between the base plate and top plate. A rail flange engagement plate having a base section and a rail flange engagement section is adjustably mounted on the securement clamp above the top plate such that the base section is mounted above the top plate and the rail flange engagement section extends outwardly from the top plate for engagement of a flange of a railroad rail thus securing a switch point roller assist apparatus on the railroad rail.
    • 用于可调节地将开关点滚轮辅助装置安装在铁路轨道上的导轨法兰固定夹具包括基板和顶板,顶板通常与底板间隔开,以及可调连接装置,其在基板之间延伸并连接基板 顶板,用于增加和减少基板和顶板之间的距离。 具有基座部分和轨道凸缘接合部分的轨道法兰接合板可调节地安装在顶板上方的固定夹具上,使得基座部分安装在顶板上方,并且轨道法兰接合部分从顶板向外延伸, 铁路轨道的凸缘的接合,从而将开关点辊辅助装置固定在铁路轨道上。
    • 3. 发明授权
    • Method of making concrete switch cross ties
    • 制作混凝土开关十字架的方法
    • US5227112A
    • 1993-07-13
    • US865210
    • 1992-04-08
    • Frithjof Schimpff
    • Frithjof Schimpff
    • B28B23/00E01B7/22
    • B28B23/005B28B23/00E01B7/22Y10T29/49716Y10T29/49732Y10T29/49739Y10T29/49746
    • A switch cross tie is made in a mold having a base plate formed with a plurality of holes in a predetermined pattern corresponding to a particular type of concrete switch cross tie by first overlying the entire base plate of a mold with a covering sheet provided with markings in a pattern corresponding to that of the holes needed for another particular type of concrete cross ties. This covering sheet overlies and blocks all the holes formed in the base plate and it is fixed in place atop the base plate. Then the operator or a computer-guided drill press cuts through the covering sheet and into the base plate at each of the markings to form thereat a respective new hole. Each such new hole is fitted with an anchor, and the mold is filled with concrete over and around the anchors with the covering sheet blocking all the holes other than the new holes. It is important that the covering sheet be sufficiently strong to inhibit entry of concrete through it into any of the holes other than the new holes. The concrete is allowed to cure or set and then the set concrete and the anchors are removed from the mold as a tie with anchors imbedded in it at locations corresponding to the new holes.
    • 在具有基板的模具中形成开关十字架,该基板通过首先在模具的整个基板上覆盖具有与具有标记的覆盖片相对应的特定类型的混凝土开关十字架的预定图案形成有多个孔 以与另一种特定类型的混凝土十字架所需的孔的图案相对应。 该覆盖片覆盖并阻挡在基板中形成的所有孔,并将其固定在基板顶部的适当位置。 然后,操作者或计算机引导的钻压机在每个标记处切割覆盖片并进入基板,以形成相应的新孔。 每个这样的新孔都安装有锚杆,模具在锚固件周围填充混凝土,其中覆盖板堵塞除了新孔之外的所有孔。 重要的是,覆盖片足够强以防止混凝土通过其进入除了新孔之外的任何孔中。 允许混凝土固化或固化,然后将固定的混凝土和锚固件从模具中移除,作为与嵌入其中的锚固件在与新孔相对应的位置处的连接件。