公开(公告)号：US3718265A

公开(公告)日：1973-02-27

申请号：US3718265D

申请日：1971-01-21

申请人： DEMAY AG

发明人： TROST W

IPC分类号： C21C5/42 ,  B66F7/20 ,  C21C5/46 ,  B65G7/00

CPC分类号： C21C5/4686

摘要： The lift truck has an undercarriage with driving means for moving the truck along tracks and carrying hydraulic actuators operable to lift the undercarriage at track intersections to change the direction of movement of the truck. Two pairs of piston-cylinder hydraulic actuators are mounted on the undercarriage and each actuator includes a cylinder supported on the undercarriage to extend vertically upwardly therefrom and a piston movable upwardly in the associated cylinder and carrying an enlarged piston head. Pairs of tie rods are supported on each piston head through universal or gimbal type Cardan joints for universal swinging movement, and the lower ends of the tie rods are also provided with the same general type of joints. The tie rods associated with each pair of actuators support a respective stirrup so that, when the pistons are extended, the associated stirrups are lifted. These stirrups engage beneath a reinforcing ring or the like on a hot vessel, such as a steel-mill converter, and are operable to lift the vessel upwardly to engage the vessel in a tilting cradle or support in which the vessel is then locked. The gimbal or Cardan type connections of the tie rods to the piston heads and to the stirrups provide for adjustment of the tie rods and stirrups to the orientation assumed by the converter when the latter is being inserted into a tilting support.

摘要翻译： 起重车具有起落架，其具有用于沿着轨道移动卡车的驱动装置，并且携带液压致动器，其可操作以在履带交叉处提升起落架以改变卡车的运动方向。 两对活塞气缸液压致动器安装在底盘上，每个致动器包括一个支撑在起落架上以从其垂直向上延伸的气缸和一个可在相关气缸中向上移动的活塞，并承载一个增大的活塞头。 每个活塞头上的一对拉杆通过通用或万向节万向接头支撑，用于通用的摆动运动，拉杆的下端还设有相同的一般类型的接头。 与每对致动器相关联的拉杆支撑相应的马镫，使得当活塞延伸时，相关联的马镫被提升。 这些箍筋在诸如钢 - 碾机转炉之类的热容器上的加强环等下方接合，并且可操作以向上提升容器以将容器接合在倾斜支架或支架中，然后容器被锁定。 拉杆与活塞头和马镫的万向节或万提型连接提供将拉杆和马镫调节到当转换器插入倾斜支撑件时由转换器所采取的方位。