桥式起重机运行时经常发生桥架相对于轨道的歪斜现象, 此时车轮的侧缘 (内侧或外侧) 和轨道的间隙不断发生变化。当桥式起重机有两个以上的车轮侧缘与轨道接触而卡住时, 桥架就不能继续再歪斜, 同时在轨道和车轮侧缘之间互相作用着水平的侧向推力, 使车轮侧缘在运行中与轨? Bridge cranes often experience skewing of the bridge relative to the track during operation, when the gap between the side edges (inside or outside) of the wheel and the track constantly changes. When more than two overhead traveling truck girders come into contact with the track and get stuck, the bridge can no longer be skewed, and horizontal lateral thrust forces act between the rails and the wheel’s side edges, Running with rails?