1·The ends of the wire ropes are respectively connected on suspension cages through fixed pulley blocks respectively installed on a headframe.
钢丝绳的线头各自通过安装在井架上的定滑轮组，又各自连接到吊笼上。
2·Based on the members' stress in the new and original load conditions, the evaluation and analysis on the actual state of headframe was obtained.
通过增大提升能力前后不同荷载下的构件应力对比，对增大提升能力后的井架的运行状况做出预估与分析。