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河南省新郑煤电有限责任公司张要展迈步自移式液压抬棚装置于2013年6月26日获得国家专利,该装置在传统Π型钢梁配合单体液压支柱打“一梁三柱”抬棚方法基础上,借鉴综采面端头滑移支架及转载机滑移梁优点,把Π型钢梁和油缸支柱用销子固定连接成一体,从而以迈步自移抬棚装置自身为载体,作业人
Henan Xinzheng Coal and Electricity Co., Ltd. Zhang Yaozhan move self-moving hydraulic lifting device on June 26, 2013 access to national patents, the device in the traditional Π-type steel beam with single hydraulic props to play “a beam three columns” Based on the method of lifting the roof, borrowing the advantages of slip-beam on the end of the fully mechanized coal mining face and the transfer machine, the Π-type steel beam and the cylinder pillar are fixedly connected with the pin as a whole, , Operator