摘要
为了解决钢结构公路大桥施工中钢梁与桥面板拼装螺栓孔的对正问题，特别设计了一种机械传动的螺旋千斤顶。在简要介绍了该千斤顶的结构后，较为详细地阐述了其主要受力部件螺杆。
In order to solve the alignment problem of steel girder and deck slab bolt hole, the screw jack is designed. The structure of the jack is introduced, the design and calculation of the screw and nut, which are main parts in the jack, are exponded.
出处
《筑路机械与施工机械化》
北大核心
1998年第2期2-4,共3页
Road Machinery & Construction Mechanization
