Directing to the of the large post rising clinker and roof beam post cap fo ZY4000/14/32 type shield hydraulic support are analyzed,and puts forward a plan to repair.

• 针对ZY4000/14/32型液压支架的部分大立柱涨缸及顶梁柱帽的损坏情况进行分析,并对顶梁柱帽提出了修复方案。