METHOD OF ASSEMBLY OF ROLLER-CUTTER DRILLING BIT BEARING (VERSIONS)
FIELD: drilling equipment. SUBSTANCE: roller-cutter is installed on leg pin on radial journal bearings and secured with retaining bearing for rotation. Determined on roller-cutters is half of difference of diameters H of working surface of radial journal bearings, and measured on pins from lower sid...
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| creator | TORGASHOV A.V POPOV A.N MATVEEV JU.G NEUPOKOEV V.G GOLOVKINA N.N |
| description | FIELD: drilling equipment. SUBSTANCE: roller-cutter is installed on leg pin on radial journal bearings and secured with retaining bearing for rotation. Determined on roller-cutters is half of difference of diameters H of working surface of radial journal bearings, and measured on pins from lower side, in vertical plane, is distance h between projections on plane perpendicular to pin axis of working surfaces of same bearings. Then, roller-cutters and lugs are laid in order of increased of H and h and they are successively assembled beginning from part pair meeting the condition H-h , and finishing with parts pair meeting condition H-h , where ΔHó and ΔH¡ are positive and negative permissible values of ΔH. In case of manufacture of a lot of bits, exceeding 50 pieces, roller-cutters and legs are graded by size groups satisfying unequality and within the size groups, random assembly is carried out. EFFECT: higher accuracy of assembly of bearings and, respectively, their stability due to limiting the angle of misalignment of roller cutter axis relative to pin axis in their working position within limits safe with respect to wear of journal bearings by seizing. 3 cl, 4 dwg |
| format | Patent |
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SUBSTANCE: roller-cutter is installed on leg pin on radial journal bearings and secured with retaining bearing for rotation. Determined on roller-cutters is half of difference of diameters H of working surface of radial journal bearings, and measured on pins from lower side, in vertical plane, is distance h between projections on plane perpendicular to pin axis of working surfaces of same bearings. Then, roller-cutters and lugs are laid in order of increased of H and h and they are successively assembled beginning from part pair meeting the condition H-h , and finishing with parts pair meeting condition H-h , where ΔHó and ΔH¡ are positive and negative permissible values of ΔH. In case of manufacture of a lot of bits, exceeding 50 pieces, roller-cutters and legs are graded by size groups satisfying unequality and within the size groups, random assembly is carried out. EFFECT: higher accuracy of assembly of bearings and, respectively, their stability due to limiting the angle of misalignment of roller cutter axis relative to pin axis in their working position within limits safe with respect to wear of journal bearings by seizing. 3 cl, 4 dwg</description><edition>6</edition><language>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>1999</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=19991027&DB=EPODOC&CC=RU&NR=2140517C1$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25564,76547</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=19991027&DB=EPODOC&CC=RU&NR=2140517C1$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>TORGASHOV A.V</creatorcontrib><creatorcontrib>POPOV A.N</creatorcontrib><creatorcontrib>MATVEEV JU.G</creatorcontrib><creatorcontrib>NEUPOKOEV V.G</creatorcontrib><creatorcontrib>GOLOVKINA N.N</creatorcontrib><title>METHOD OF ASSEMBLY OF ROLLER-CUTTER DRILLING BIT BEARING (VERSIONS)</title><description>FIELD: drilling equipment. SUBSTANCE: roller-cutter is installed on leg pin on radial journal bearings and secured with retaining bearing for rotation. Determined on roller-cutters is half of difference of diameters H of working surface of radial journal bearings, and measured on pins from lower side, in vertical plane, is distance h between projections on plane perpendicular to pin axis of working surfaces of same bearings. Then, roller-cutters and lugs are laid in order of increased of H and h and they are successively assembled beginning from part pair meeting the condition H-h , and finishing with parts pair meeting condition H-h , where ΔHó and ΔH¡ are positive and negative permissible values of ΔH. In case of manufacture of a lot of bits, exceeding 50 pieces, roller-cutters and legs are graded by size groups satisfying unequality and within the size groups, random assembly is carried out. EFFECT: higher accuracy of assembly of bearings and, respectively, their stability due to limiting the angle of misalignment of roller cutter axis relative to pin axis in their working position within limits safe with respect to wear of journal bearings by seizing. 3 cl, 4 dwg</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>1999</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZHD2dQ3x8HdR8HdTcAwOdvV18okEsYP8fXxcg3SdQ0NCXIMUXII8fXw8_dwVnDxDFJxcHYNAbI0w16BgT3-_YE0eBta0xJziVF4ozc2g4OYa4uyhm1qQH59aXJCYnJqXWhIfFGpkaGJgamjubGhMhBIAwlsq9w</recordid><startdate>19991027</startdate><enddate>19991027</enddate><creator>TORGASHOV A.V</creator><creator>POPOV A.N</creator><creator>MATVEEV JU.G</creator><creator>NEUPOKOEV V.G</creator><creator>GOLOVKINA N.N</creator><scope>EVB</scope></search><sort><creationdate>19991027</creationdate><title>METHOD OF ASSEMBLY OF ROLLER-CUTTER DRILLING BIT BEARING (VERSIONS)</title><author>TORGASHOV A.V ; POPOV A.N ; MATVEEV JU.G ; NEUPOKOEV V.G ; GOLOVKINA N.N</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_RU2140517C13</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>1999</creationdate><topic>EARTH DRILLING</topic><topic>EARTH DRILLING, e.g. DEEP DRILLING</topic><topic>FIXED CONSTRUCTIONS</topic><topic>MINING</topic><topic>OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS</topic><toplevel>online_resources</toplevel><creatorcontrib>TORGASHOV A.V</creatorcontrib><creatorcontrib>POPOV A.N</creatorcontrib><creatorcontrib>MATVEEV JU.G</creatorcontrib><creatorcontrib>NEUPOKOEV V.G</creatorcontrib><creatorcontrib>GOLOVKINA N.N</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>TORGASHOV A.V</au><au>POPOV A.N</au><au>MATVEEV JU.G</au><au>NEUPOKOEV V.G</au><au>GOLOVKINA N.N</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>METHOD OF ASSEMBLY OF ROLLER-CUTTER DRILLING BIT BEARING (VERSIONS)</title><date>1999-10-27</date><risdate>1999</risdate><abstract>FIELD: drilling equipment. SUBSTANCE: roller-cutter is installed on leg pin on radial journal bearings and secured with retaining bearing for rotation. Determined on roller-cutters is half of difference of diameters H of working surface of radial journal bearings, and measured on pins from lower side, in vertical plane, is distance h between projections on plane perpendicular to pin axis of working surfaces of same bearings. Then, roller-cutters and lugs are laid in order of increased of H and h and they are successively assembled beginning from part pair meeting the condition H-h , and finishing with parts pair meeting condition H-h , where ΔHó and ΔH¡ are positive and negative permissible values of ΔH. In case of manufacture of a lot of bits, exceeding 50 pieces, roller-cutters and legs are graded by size groups satisfying unequality and within the size groups, random assembly is carried out. EFFECT: higher accuracy of assembly of bearings and, respectively, their stability due to limiting the angle of misalignment of roller cutter axis relative to pin axis in their working position within limits safe with respect to wear of journal bearings by seizing. 3 cl, 4 dwg</abstract><edition>6</edition><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 | METHOD OF ASSEMBLY OF ROLLER-CUTTER DRILLING BIT BEARING (VERSIONS) |
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