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动-行星齿环传动。

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

该主要由电动、架、打洞装置、播种装置、传动、动、电及PLC制等部分。

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

对龙门移动式镗铣床同步伺服问题进行了研究,并用两台直线电动作为龙门柱纵向进给的传动。