地方煤矿对当地的经济和税收都起着相当重要的作用 ,而地方煤矿的提升是生产中的重中之重 ,有的煤矿产量大 ,提升能力小 ,出现“卡脖子”现象 ;有的煤矿生产能力并不小 ,但由于缺技术、缺资金 ,管理跟不上 ,造成“大马拉小车”。介绍了提升绞车的技术改造。 Local coal mines play a very important role in the local economy and taxation, while upgrading of local coal mines is a top priority in production. Some mines produce large amounts of coal and have little ability to increase their capacity. Some coal mines appear in some coal mines Production capacity is not small, but due to lack of technology, lack of funds, management can not keep up, resulting in “big car”. The technical innovation of hoisting winch is introduced.