Electrohydraulic push rod drives the two - way pump to output pressure oil with rotation of motor clockwise and counter - clockwise , by control of hydraulic valve , send to the hydraulic cylinder , to achieve the reciprocating movement of the piston rod 電液推桿以電動(dòng)機(jī)正反轉(zhuǎn),帶動(dòng)雙向泵輸出壓力油,經(jīng)液壓閥控制,送至液壓缸,實(shí)現(xiàn)活塞桿的往復(fù)運(yùn)動(dòng)。