A permanent magnet and a moving contact are fixed on a swingplate which can deflect, and the top end of the swingplate is hung on a coil brace through a spring.
永久磁铁和动触头固定在摆动板上，摆动板可偏转，顶端通过弹簧吊置在线圈支架上。
2
Place the skew on the plate at 90 deg to the wheel and grind the tip flat then swing the skew to the side.
广场上90度到车轮上的斜板和磨尖平，然后摆动倾斜到一边。
3
Taking Xuechun mine for instance, KHT cushioning damping synchronous decking plateswing deck used in the mine is analyzed, and establishes mechanical model of bearing.