液压支架缸体的修复与强化山西矿业学院袁庆龙，郑瑞利安太堡露天煤矿王振华，谢真，袁耀武液压支架是综采设备中关键部件之一。由于井下环境恶劣，通常对直接工作在腐蚀介质中的柱体外表面采用电镀硬络强化，而对于缸体内壁则不进行表面防护。在服役过程中，由于缸体内表... Repair and Strengthening of Hydraulic Support Cylinder Block Yuan Qinglong, Zheng Ruili Opencast Coal Mine, Ansai Coal Mine Wang Zhenhua, Xie Zhen, Yuan Yaowu Hydraulic support is one of the key components in fully mechanized mining equipment. Due to the harsh underground environment, the outer surface of the column directly working in corrosive medium is usually strengthened by plating hard layer, while the inner wall of the cylinder is not surface-protected. In service process, due to the cylinder body surface ...