研究结果表明：大型立式水泵导轴承荷载与进水流道和机组制造安装质量、结构形式有关。
The results show that guide bearing load of large vertical water pump has something to do with inlet passage of pump station, pump unit manufacture and installation quality, structure pattern.
由微分几何基本公式导得圆弧曲线梁中预应力等代荷载的精确公式，预应力钢索在曲梁中竖弯与平弯均较平缓，此时公式可得以简化。
A precise formula for equivalent load of prestressing force in curved girder of arc form is derived from the fundamental formulae of differential geometry.
本研究能为导轴承设计提供荷载依据，对减小导轴承荷载、提高可靠性和运行寿命有很大意义。
This study lays the foundation of design of pump bearing and is helpful in improving, the reliability and working life of a pump bearing.
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