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随着采煤设备吨位的增加，我集团公司下属的徐庄煤矿需要一台较大起重量的井下起重机。在深入了解现场条件和用户需求后，设计制造了一台额定起重量为２０ｔ的峒室起重机。使用一年多证明，该起重机结构合理、运行可靠、性能优良、完全满足用户的要求。１ 主要技术参数 起重量
With the increase of tonnage of coal mining equipment, Xuzhuang Coal Mine under our group needs a large lifting crane. After in-depth understanding of the site conditions and user needs, the design and manufacture of a rated capacity of 20t hanger crane. Use more than a year to prove that the crane structure is reasonable, reliable operation, excellent performance, fully meet the requirements of users. 1 The main technical parameters from the weight