CN109702248B - 一种工件盲孔的扩孔钻头 - Google Patents
一种工件盲孔的扩孔钻头 Download PDFInfo
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CN109702248A CN109702248A (zh) | 2019-05-03 |
CN109702248B true CN109702248B (zh) | 2021-07-09 |
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CN110497002B (zh) * | 2019-10-06 | 2020-08-04 | 杭州长三角工贸有限公司 | 一种自施压扩孔钻头 |
CN112606109A (zh) * | 2020-12-15 | 2021-04-06 | 梁绍丽 | 一种在制造家具板材上钻取t形孔的方法 |
CN115255449A (zh) * | 2022-09-27 | 2022-11-01 | 南通诚泰机械制造有限公司 | 一种液压缸盖钻孔加工用扩孔装置 |
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FR707725A (fr) * | 1930-03-18 | 1931-07-11 | Perfectionnements aux moyens pour l'exécution de forages pour scellements à base élargie | |
CN2477707Y (zh) * | 2001-05-11 | 2002-02-20 | 河北省建筑勘察研究院 | 一种基础施工扩底桩扩底装置 |
CN202209146U (zh) * | 2011-07-11 | 2012-05-02 | 成都四海岩土工程有限公司 | 扩孔器 |
CN204552620U (zh) * | 2015-03-01 | 2015-08-12 | 方军 | 一种扩孔钻头 |
CN105672311B (zh) * | 2016-03-28 | 2018-02-02 | 重庆建工市政交通工程有限责任公司 | 锚杆的施工方法 |
CN106958419B (zh) * | 2017-05-27 | 2018-08-17 | 河南理工大学 | 矿用锚杆孔螺纹驱动式扩孔钻杆 |
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Effective date of registration: 20210519 Address after: 323000 5 33, Tianning village, Liandu District, Lishui, Zhejiang 101 Applicant after: LISHUI ZHENGMING MACHINERY TECHNOLOGY Co.,Ltd. Address before: 545214 No.97, Zhenxing Road, chongmai street, chongmai Town, Liucheng County, Liuzhou City, Guangxi Zhuang Autonomous Region Applicant before: Li Wujun |
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Effective date of registration: 20210618 Address after: 215400 Building 2, Sangang village, Ludu Town, Taicang City, Suzhou City, Jiangsu Province Applicant after: TuYan (Suzhou) Precision Machinery Technology Co.,Ltd. Address before: 323000 5 33, Tianning village, Liandu District, Lishui, Zhejiang 101 Applicant before: LISHUI ZHENGMING MACHINERY TECHNOLOGY Co.,Ltd. |
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