Blog

[Invention Announcement] A high sharpness geological drill bit and its manufacturing method Application Publication Number:CN112211562AApplication Publication Date:2021.01.12Application Number:2020109501970Application Date:2020.09.11Applicant:Qidong County Fengsu Drilling Tools Co., Ltd.Inventors:Li Zhongyong; Li Xiaohuan; Chen ShunchengAddress:No. 101 Baihe Group, Baijia Village, Baihe Street Office, Qidong County, Hengyang City, Hunan Province 421600Classification Number:E21B10/55(2006.01)I; Abstract:This invention provides a high sharpness geological drill...

[Invention Announcement] A bionic inlay diamond drill bit matrix welding and fixing device Application Publication Number:CN115430990AApplication Publication Date:2022.12.06Application Number:2022111990989Application Date:2022.09.29Applicant: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 421000Classification Number:B23K37/053(2006.01)I; Abstract:This invention provides a bionic inlay diamond...

[Utility Model] Spraying device for processing drilling tool components Authorization Announcement Number:CN214811983UAuthorization Announcement Date:2021.11.23Application Number:2021216958410Application Date:2021.07.26Patentee: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:B05B13/02(2006.01)I Abstract:The utility model relates to the field of drilling technology and discloses a...

[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...