The paper presents a designing method for the tail—end balance weight of the swing—arm of the "Crane" type portal cranes.
本文向读者推荐港口鹤式起莺机摇臂尾端平衡重设计方法。
The "weight-type" balanced structure of JPCYJ can achieve accurate weight balance, the tower structure can achieve a long-stroke pumping, This pumping unit provide a good conditions for energy saving.
JPCYJ结构属于“砝码式”平衡，能实现精确的配重平衡，塔式结构能实现抽油机长冲程，这为抽油机节能提供了良好的条件。
应用推荐