This paper expounds the design of processing techniques before hole-boring on the cylinder of upright post and hoisting jack used in the hydraulic support.
阐述了液压支架所用立柱、千斤顶的缸筒在上深孔钻镗床进行镗孔、滚压之前必须进行的加工工艺的设计。
2
Front supportupright, more stable.
引出前支撑立柱，更加稳定。
3
Since when the shed frame is used, the inner side of the shed does not need upright post to support, and look particularly spacious, bright and sunny.