在桥式类型起重机大车运行跑偏时,轨道侧面与车轮轮缘或水平导向轮之间会产生水平侧向力。 水平侧向力对起重机车轮及其轴承有着不良影响,侧向力通过起重机轨道作用于厂房结构。 水平侧向力可按照下式近似计算: 式中 ∑R----起重机产生侧向力一侧最大轮压之和 λ---水平侧向力系数,与起重机跨度和大车轮距之比有关。
通过对水平摆式圆盘犁的水平机构、机组侧向力平衡机构、机组整体参数的设计计算,提出水平摆式圆盘犁的设计方法。
A design method on level swing beam disc plough was put forward by designing and calculating of level swing beam mechanism, side force balance mechanism and overall parameters.
利用平衡侧向力方法和SA BHA软件系统,对曙古11水平井定向造斜段钻具组合的导向能力进行了预测分析。
The steering ability of BHA in build up section of horizontal well Shugu 11 has been predicted and analyzed by balanced side force method and SABHA software.
利用平衡侧向力方法和SABHA软件系统,对曙古11水平井定向造斜段钻具组合的导向能力进行了预测分析。
The steering ability of BHA in build up section of horizontal well Shugu 11 has been predicted and analyzed by balanced side force method and SABHA software.
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