石嘴山起重吊鉤滑輪組

滑輪組是吊鉤組配合工作的固定滑輪

，固定於結構上
，由若幹個定滑輪和動滑輪組合而成，它既可以省力又可以改變力作用方向。動滑輪的特點是：shiyongqinengshengyibanli，danshifeijuli。yinweishiyongdonghualunshi
，goumayouliangduanshengzidiaozhe，meiduanshengzizhichengdangoumazhongdeyiban。shiyongdonghualunsuiranshengleli，danshidongliyidongdejulishigoumashenggaodejulideliangbei，suoyifeilejuli。bunenggaibianlidefangxiang。suizhewutideyidongeryidong。 定滑輪的**軸固定不動，dinghualundegongnengshigaibianlidefangxiang。dangqianlazhongwushi
，keshiyongdinghualunjiangshilifangxiangzhuanbianweirongyichulidefangxiang。shiyongdinghualunshi
，shiliqianladejulidengyuwutishangshengdejuli
，bunengshengliyebufeili。shengsuoliangduandelalixiangdeng
，suoyi，shuchulidengyushuruli，dinghualundejixieliyidengyu1。