The V-beltdrive took place of the direct connect drive was the main modification measure.
介绍三压导纸辊轴装式齿轮减速机直联传动的缺点，并将其改装为三角皮带传动的措施。
2
Reliability design of V-beltdrive get not only a small size? Light wight but also high reliability in the circulating pump.
讨论了泵中V带传动的可靠性设计与传统设计比较，不仅根数少、尺寸小、质量轻，而且可靠性高。
3
It's very important for some petroleum machinery(e. g. drilling rig and pumping unit) to carry on reliability analysis and design of the system of the narrow V type beltdrive.