The pipe racks are moved to and from their stored position by a hydraulic cylinder attached between the mast frame and the lower swing arm.
管架是通过一个装在支架框和下摇动臂之间的液压缸往返于其贮存位置的。
The purpose of these tests is to evaluate the ability of a receding door and its suspension to withstand repeated movements in and out of the stored position.
这些试验的目的是评价后斜门的能力,及其承受进出储存位置时的反复运动的悬置性能。
The swing arms are fastened to the inside structure of the mast, and permit the pipe rack to be low-ered from the stored position to the centerline of the drill string.
两个悬臂则固定在支架的内部结构上,并允许管架从贮存位置降到钻柱中线上。
应用推荐