千斤頂是一種用鋼性頂舉件作為工作裝置，通過頂部托座或底部托爪在行程內頂升重物的輕小起重設備。按結構特征可分為齒條千斤頂
、螺旋千斤頂和液壓千斤頂3種。千斤頂是一種起重高度小 (小於1m)的*jiandandeqizhongshebei。tayoujixieshiheyeyashiliangzhong。jixieshiqianjindingyouyouchitiaoshiyuluoxuanshiliangzhong

，youyuqizhongliangxiao，caozuofeili，yibanzhiyongyujixieweixiugongzuo，zaixiuqiaoguochengzhongbushiyong。yeyashiqianjindingjiegoujincou
，gongzuopingwen，youzisuozuoyong，gushiyongguangfan。