The level force interacting with shaft passages during operation of cage is testedwith advanced hoh-electric dynamic test method at home and abroad.It can lift the shaftequipment safety.

• 利用国内外先进的非电量动态电测法,测试提升罐笼在提升运行过程中与井筒罐道相互作用的水平力,大大提高井筒装备行的安全性。