千斤頂分為機械千斤頂和液壓千斤頂兩種，原理各有不同。從原理上來說，液壓千斤頂所基於的原理為帕斯卡原理，即：yetigechudeyaqiangshiyizhide，zheyang，zaipinghengdexitongzhong，bijiaoxiaodehuosaishangmianshijiadeyalibijiaoxiao，erdadehuosaishangshijiadeyaliyebijiaoda，zheyangnenggoubaochiyetidejingzhi。suoyitongguoyetidechuandi


，keyidedaobutongduanshangdebutongdeyali
，zheyangjiukeyidadaoyigebianhuandemude。womensuochangjiandaodeyeyaqianjindingjiushiliyonglezhegeyuanlilaidadaolidechuandi。jixieqianjindingcaiyongjixieyuanli，yiwangfubandongshoubing，bazhaojituidongjilunjianxihuizhuan，xiaosanchilundaidongdasanchilun、使舉重螺杆旋轉
，從而使升降套筒獲得起升或下降，而達到起重拉力的功能。但不如液壓千斤頂簡易