CAJ | 학술논문

设计一种千斤顶，利用蓄电池电源工作，结构上液压、机械相组合，在电力不足时，可手工操作；具备举升、路面助困功能，结构紧凑、工作可靠、使用效率高等特点，克服了传统千斤顶的不平稳等不足之处，是一种实用性更强的创新。
설계일충천근정，이용축전지전원공작，결구상액압、궤계상조합，재전력불족시，가수공조작；구비거승、로면조곤공능，결구긴주、공작가고、사용효솔고등특점，극복료전통천근정적불평은등불족지처，시일충실용성경강적창신。
The jack was designed using the principle of battery being electric power source. The style of structure combined hydraulic pressure with machinery. The jack could be operated by hands when it was in low electric power. The jack had the function of lifting the car,helping car moving,compact structure, working efficiency and reliable. It had advantage of smooth and steady compared with the traditional jack, so it was a more practical creation.