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[Invention Announcement] A grinding device and method for a core drill bit Application Publication Number:CN115488701AApplication Publication Date:2022.12.20Application Number:2022111766625Application Date:2022.09.26Applicant:Qidong County Fengsu Drilling Tools Co., Ltd.Inventors:Li Xiaohuan; Zou Chao; Li Zhongyong; Chen QiaohongAddress:No. 101 Baihe Group, Baijia Village, Baihe Street Office, Qidong County, Hengyang City, Hunan Province 421600Classification Number:B24B3/24(2006.01)I; Abstract:This invention provides a grinding device and method...

[Utility Model] High-efficiency inspection device for drill bit production Authorization Announcement Number:CN216205895UAuthorization Announcement Date:2022.04.05Application Number:2021219046680Application Date:2021.08.16Patentee:Qidong County Fengsu Drilling Tools Co., Ltd.Inventors:Li Xiaohuan; Zou Chao; Li ZhongyongAddress:No. 101 Baihe Group, Baijia Village, Baihe Street Office, Qidong County, Hengyang City, Hunan Province 421600Classification Number:G01B5/08(2006.01)I  Abstract:This utility model relates to the technical field of drill bit production equipment...

[Utility Model] Material melting device for drill bit production Authorization Announcement Number:CN215615061UAuthorization Announcement Date:2022.01.25Application Number:2021219046888Application Date:2021.08.16Patentee:Qidong County Fengsu Drilling Tools Co., Ltd.Inventors:Li Xiaohuan; Zou Chao; Li ZhongyongAddress:No. 101 Baihe Group, Baijia Village, Baihe Street Office, Qidong County, Hengyang City, Hunan Province 421600Classification Number:B22D45/00(2006.01)I  Abstract:This utility model pertains to the field of drill bit production technology and...

[Utility Model] Quality inspection device for drill bit production Authorization Announcement Number:CN215572737UAuthorization Announcement Date:2022.01.18Application Number:2021220542681Application Date:2021.08.30Patentee:Qidong County Fengsu Drilling Tools Co., Ltd.Inventors:Li Xiaohuan; Zou Chao; Li ZhongyongAddress:No. 101 Baihe Group, Baijia Village, Baihe Street Office, Qidong County, Hengyang City, Hunan Province 421600 Classification Number:G01B11/08(2006.01)I  Abstract:This utility model relates to the technical field of drill bit inspection...

[Design Patent] Drill Bit (75 Straight) Authorization Announcement Number:CN307668046SAuthorization Announcement Date:2022.11.18Application Number:2022304266160Application Date:2022.07.07Patentee:Qidong County Fengsu Drilling Tools Co., Ltd.Designers:Li Xiaohuan; Li Zhongyong; Chen PengAddress:No. 101 Baihe Group, Baijia Village, Baihe Street Office, Qidong County, Hengyang City, Hunan Province 421000Classification Number:08-01 (13)  Brief Description: The name of the design product: Drill Bit (75 Straight). 2. The...

[Utility Model] Diamond composite sheet core-drilling bit for easy advancement Authorization Announcement Number:CN207728312UAuthorization Announcement Date:2018.08.14Application Number:2017215725898Application Date:2017.11.22Patentee:Qidong County Fengsu Drilling Tools Co., Ltd.Inventor:Li Xiaohuan; Zou Chao; Li ZhongyongAddress:No. 178, Nanshan Road, Hongqiao Town, Qidong County, Hengyang City, Hunan Province 421600Classification Number:E21B10/48(2006.01)I Abstract:The utility model discloses a diamond composite sheet core-drilling bit for easy advancement, including a...

The invention discloses a drill bit switching device comprising a mounting base with multiple drill bit connectors for installing drill bits, and a folding board that is movably connected to the mounting base, with drill bit connectors installed on it. This drill bit switching device enables the mounting of multiple drill bit connectors on...

The invention provides drill bit processing equipment, comprising a base, a clamping device, and a laser cutting device. The clamping device is located on one side of the base, and the laser cutting device is installed above the base on a support column. The support column is equipped with X-axis and Y-axis movement units...

This invention provides a drill bit specifically designed for basalt, including a first and a second drill bit, with the first drill bit mounted on the second. The second drill bit features radially protruding blades or wings on its side, equipped with cutting units for slicing and breaking rock. At least two blades are...

The invention relates to a flexible connection anti-vibration drill bit mechanism, including an outer tube, an inner tube, a joint, and a drill bit. The outer tube consists of an upper and a lower tube body connected together, with the inner tube installed inside the outer tube. An annular groove is set inside the...