剪式抓鬥是把兩個顎板靠鉸點的端部延長為繩索式加力臂，兩臂共用一個叫中心jiaodian，jianshizhuadoudekaiqidongzuoyikaofangsongjianbichuhualunzudegangsisheng
，shoujinzhichengshenglaiwancheng，guanbidongzuoyikaoshoujinhualunzudegangsisheng，liyonggangganyuanlidezengli
，shiebanbihezhuaquwuliao，qibihelijusuizhebiheguochengzhujianzengjia，zhuaqulidayuchangchengganzhuadou。jianshizhuadouleixingweisishengshi，zhuaquwuliaoshiganjingbulouliao

，duoyongzaidaxingqiaoshixiechuanjishang。