郑煤机获得发明专利授权：“一种综放工作面端头支架破网放煤机构及其放煤方法”

证券之星企业动态2025-07-02

证券之星消息，根据天眼查APP数据显示郑煤机（601717）新获得一项发明专利授权，专利名为“一种综放工作面端头支架破网放煤机构及其放煤方法”，专利申请号为CN202210630117.2，授权日为2025年7月1日。专利摘要：本发明公开了一种综放工作面端头支架破网放煤机构及其放煤方法，涉及两架一组端头支架技术领域，包括顶梁体、摆梁和掩护梁，所述顶梁体右端外侧与所述掩护梁铰接，所述顶梁体右端内侧与...

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