A kind of new mechanical transmission-the planetary ringy gear transmission is introdueed.

提出了一种适用于无游梁抽油的新型传构-行星齿环传。

The machine mainly includes electromotor framework, dibbling mechanism, sowing mechanism, powered mechanism, pneumatic electric and PLC control panel.

该主要由电、架、打洞装置、播种装置、传构、气、电气及PLC制等部分组成。

The problem of synchrodrive for gantry-moving milling machines is researched, and two linear motors as traversing drive mechanism of gantries are applied.

针对龙门移式镗铣床同步题进行了研究,并用两台直线电作为龙门柱纵向进给的传构。