Manufacturing method of hob drill bit suitable for finishing hole bottom rock surface of large-diameter socketed pile
The invention relates to the technical field of socketed piles, and discloses a manufacturing method of a hob drill bit suitable for finishing a hole bottom rock surface of a large-diameter socketed pile, which comprises the following steps: providing a rotary drilling barrel, and cutting off cuttin...
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| creator | LI XIANZHEN ZHANG JIAN MO LI LEI FAN LIU HUIMING DUAN FUYI WU FEIFEI LIN XIONG CHEN CHAOLIANG LIU XIRU LEI BIN HUANG XIAOKAI CHEN WENCHANG MO SENSHENG CHEN JUNPING |
| description | The invention relates to the technical field of socketed piles, and discloses a manufacturing method of a hob drill bit suitable for finishing a hole bottom rock surface of a large-diameter socketed pile, which comprises the following steps: providing a rotary drilling barrel, and cutting off cutting teeth and cones at the bottom of the rotary drilling barrel to form a barrel body with a bottom opening; a bottom plate is provided, the bottom plate comprises a lower end face and an upper end face, inserted tooth hobs and roller bits are arranged on the lower end face, the lower end face is completely covered with the grinding tracks of the inserted tooth hobs and the roller bits, the bottom of the barrel is welded and fixed to the upper end face, and the bottom opening is covered with the bottom plate in a sealed mode; bottom cutting teeth and cones of a rotary drilling barrel on a rotary drilling rig are cut off, then a bottom plate provided with an inserted hob and a cone bit is welded to a bottom opening to |
| format | Patent |
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CHEN JUNPING</creator><creatorcontrib>LI XIANZHEN ; ZHANG JIAN ; MO LI ; LEI FAN ; LIU HUIMING ; DUAN FUYI ; WU FEIFEI ; LIN XIONG ; CHEN CHAOLIANG ; LIU XIRU ; LEI BIN ; HUANG XIAOKAI ; CHEN WENCHANG ; MO SENSHENG ; CHEN JUNPING</creatorcontrib><description>The invention relates to the technical field of socketed piles, and discloses a manufacturing method of a hob drill bit suitable for finishing a hole bottom rock surface of a large-diameter socketed pile, which comprises the following steps: providing a rotary drilling barrel, and cutting off cutting teeth and cones at the bottom of the rotary drilling barrel to form a barrel body with a bottom opening; a bottom plate is provided, the bottom plate comprises a lower end face and an upper end face, inserted tooth hobs and roller bits are arranged on the lower end face, the lower end face is completely covered with the grinding tracks of the inserted tooth hobs and the roller bits, the bottom of the barrel is welded and fixed to the upper end face, and the bottom opening is covered with the bottom plate in a sealed mode; bottom cutting teeth and cones of a rotary drilling barrel on a rotary drilling rig are cut off, then a bottom plate provided with an inserted hob and a cone bit is welded to a bottom opening to</description><language>chi ; eng</language><subject>EARTH DRILLING ; EARTH DRILLING, e.g. DEEP DRILLING ; FIXED CONSTRUCTIONS ; MINING ; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS</subject><creationdate>2023</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20230704&DB=EPODOC&CC=CN&NR=116378571A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25543,76293</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20230704&DB=EPODOC&CC=CN&NR=116378571A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>LI XIANZHEN</creatorcontrib><creatorcontrib>ZHANG JIAN</creatorcontrib><creatorcontrib>MO LI</creatorcontrib><creatorcontrib>LEI FAN</creatorcontrib><creatorcontrib>LIU HUIMING</creatorcontrib><creatorcontrib>DUAN FUYI</creatorcontrib><creatorcontrib>WU FEIFEI</creatorcontrib><creatorcontrib>LIN XIONG</creatorcontrib><creatorcontrib>CHEN CHAOLIANG</creatorcontrib><creatorcontrib>LIU XIRU</creatorcontrib><creatorcontrib>LEI BIN</creatorcontrib><creatorcontrib>HUANG XIAOKAI</creatorcontrib><creatorcontrib>CHEN WENCHANG</creatorcontrib><creatorcontrib>MO SENSHENG</creatorcontrib><creatorcontrib>CHEN JUNPING</creatorcontrib><title>Manufacturing method of hob drill bit suitable for finishing hole bottom rock surface of large-diameter socketed pile</title><description>The invention relates to the technical field of socketed piles, and discloses a manufacturing method of a hob drill bit suitable for finishing a hole bottom rock surface of a large-diameter socketed pile, which comprises the following steps: providing a rotary drilling barrel, and cutting off cutting teeth and cones at the bottom of the rotary drilling barrel to form a barrel body with a bottom opening; a bottom plate is provided, the bottom plate comprises a lower end face and an upper end face, inserted tooth hobs and roller bits are arranged on the lower end face, the lower end face is completely covered with the grinding tracks of the inserted tooth hobs and the roller bits, the bottom of the barrel is welded and fixed to the upper end face, and the bottom opening is covered with the bottom plate in a sealed mode; bottom cutting teeth and cones of a rotary drilling barrel on a rotary drilling rig are cut off, then a bottom plate provided with an inserted hob and a cone bit is welded to a bottom opening to</description><subject>EARTH DRILLING</subject><subject>EARTH DRILLING, e.g. DEEP DRILLING</subject><subject>FIXED CONSTRUCTIONS</subject><subject>MINING</subject><subject>OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2023</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNqNjDEOwjAQBNNQIOAPxwNSRBGEFkUgGqjoIzs-xyccX2Sf_48j8QCqXe2OZlvlpwrZqlFypDDBjOLYAFtwrMFE8h40CaRMorRHsBzBUqDkVtxxmTSL8AyRx0_hYpHhKvAqTlgbUsWJEVK5SzGwkMd9tbHKJzz8clcd77d3_6hx4QHTUhQBZehfTXNuu8upa67tP8wXzXlFKw</recordid><startdate>20230704</startdate><enddate>20230704</enddate><creator>LI XIANZHEN</creator><creator>ZHANG JIAN</creator><creator>MO LI</creator><creator>LEI FAN</creator><creator>LIU HUIMING</creator><creator>DUAN FUYI</creator><creator>WU FEIFEI</creator><creator>LIN XIONG</creator><creator>CHEN CHAOLIANG</creator><creator>LIU XIRU</creator><creator>LEI BIN</creator><creator>HUANG XIAOKAI</creator><creator>CHEN WENCHANG</creator><creator>MO SENSHENG</creator><creator>CHEN JUNPING</creator><scope>EVB</scope></search><sort><creationdate>20230704</creationdate><title>Manufacturing method of hob drill bit suitable for finishing hole bottom rock surface of large-diameter socketed pile</title><author>LI XIANZHEN ; 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a bottom plate is provided, the bottom plate comprises a lower end face and an upper end face, inserted tooth hobs and roller bits are arranged on the lower end face, the lower end face is completely covered with the grinding tracks of the inserted tooth hobs and the roller bits, the bottom of the barrel is welded and fixed to the upper end face, and the bottom opening is covered with the bottom plate in a sealed mode; bottom cutting teeth and cones of a rotary drilling barrel on a rotary drilling rig are cut off, then a bottom plate provided with an inserted hob and a cone bit is welded to a bottom opening to</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | EARTH DRILLING EARTH DRILLING, e.g. DEEP DRILLING FIXED CONSTRUCTIONS MINING OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS |
| title | Manufacturing method of hob drill bit suitable for finishing hole bottom rock surface of large-diameter socketed pile |
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