RU2015144868A - BALL WITH IMPROVED SEAL - Google Patents

BALL WITH IMPROVED SEAL Download PDF

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Publication number
RU2015144868A
RU2015144868A RU2015144868A RU2015144868A RU2015144868A RU 2015144868 A RU2015144868 A RU 2015144868A RU 2015144868 A RU2015144868 A RU 2015144868A RU 2015144868 A RU2015144868 A RU 2015144868A RU 2015144868 A RU2015144868 A RU 2015144868A
Authority
RU
Russia
Prior art keywords
seal holder
cone
sleeve
axis
recess
Prior art date
Application number
RU2015144868A
Other languages
Russian (ru)
Inventor
Йона ЛОЙККАНЕН
Стиг-Аке БРОЛУНД
Original Assignee
Сандвик Интеллекчуал Проперти Аб
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=47913147&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=RU2015144868(A) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Сандвик Интеллекчуал Проперти Аб filed Critical Сандвик Интеллекчуал Проперти Аб
Publication of RU2015144868A publication Critical patent/RU2015144868A/en

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Classifications

    • EFIXED CONSTRUCTIONS
    • E21EARTH DRILLING; MINING
    • E21BEARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B10/00Drill bits
    • E21B10/08Roller bits
    • E21B10/22Roller bits characterised by bearing, lubrication or sealing details
    • E21B10/25Roller bits characterised by bearing, lubrication or sealing details characterised by sealing details
    • EFIXED CONSTRUCTIONS
    • E21EARTH DRILLING; MINING
    • E21BEARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B10/00Drill bits
    • E21B10/08Roller bits
    • E21B10/10Roller bits with roller axle supported at both ends

Claims (9)

1. Шарошка (14), предназначенная для использования в бурильной головке для вращательного бурения в забое формаций грунтовых и горных пород, причем указанная шарошка имеет геометрическую ось (CL) и снабжена втулкой (24), имеющей ряды дробящих элементов (29), при этом, по меньшей мере, один дробящий элемент имеет продольную ось под углом относительно нормали к геометрической оси (CL), указанная втулка может вращаться относительно вала (33), имеющего втулки (34, 35), при этом шарошка снабжена, по меньшей мере, одним держателем (38) уплотнения, расположенным на осевом конце втулки для удерживания уплотнительного средства (37) в его положении, отличающаяся тем, что втулка содержит, по меньшей мере, одну кольцевую выемку (44), расположенную вдоль оси внутри относительно выступающего радиально внутрь фланца (43) во втулке.1. The cone (14), intended for use in the drill head for rotary drilling in the bottom of the formation of soil and rocks, and the specified cone has a geometric axis (CL) and is equipped with a sleeve (24) having rows of crushing elements (29), while at least one crushing element has a longitudinal axis at an angle relative to the normal to the geometrical axis (CL), said sleeve can rotate relative to a shaft (33) having bushings (34, 35), wherein the cone is provided with at least one a seal holder (38) located on the axial end of the sleeve for holding the sealing means (37) in its position, characterized in that the sleeve contains at least one annular recess (44) located along the axis inside relative to the radially inwardly extending flange (43) in the sleeve. 2. Шарошка по п. 1, отличающаяся тем, что одна боковая поверхность фланца составляет границу выемки.2. The roller cutter according to claim 1, characterized in that one side surface of the flange constitutes the notch boundary. 3. Шарошка по п. 1, отличающаяся тем, что держатель уплотнения имеет максимальную осевую протяженность (X) и фланец и выемка находятся радиально снаружи от указанного держателя уплотнения и вдоль оси полностью содержатся в пределах указанной осевой протяженности.3. The roller cutter according to claim 1, characterized in that the seal holder has a maximum axial length (X) and the flange and recess are radially outside of the specified seal holder and along the axis are completely contained within the specified axial length. 4. Шарошка по любому из п.п. 1-3, отличающаяся тем, что выемка удерживает кольцевой уплотнитель (45) в его положении.4. The cone according to any one of paragraphs. 1-3, characterized in that the recess holds the annular seal (45) in its position. 5. Шарошка по любому п.п. 1-3, отличающаяся тем, что, по меньшей мере, один держатель уплотнения содержит выступающую радиально-наружу часть (41) в положении, формирующем осевой и радиальный внешний конец держателя уплотнения.5. The cone according to any paragraph 1-3, characterized in that at least one seal holder contains a protruding radially outward part (41) in a position forming the axial and radial outer end of the seal holder. 6. Шарошка по п. 5, отличающаяся тем, что выступающая часть представляет собой кольцо.6. The cone according to claim 5, characterized in that the protruding part is a ring. 7. Шарошка по п. 6, отличающаяся тем, что кольцо металлургически связано с держателем уплотнения.7. The roller cutter according to claim 6, characterized in that the ring is metallurgically bonded to the seal holder. 8. Шарошка по любому из п.п. 1-3, 6 и 7, отличающаяся тем, что втулка содержит, по меньшей мере, одну круговую выемку (42), расположенную радиально снаружи от выступающей части на держателе уплотнения и смежно с ней.8. The cone according to any one of paragraphs. 1-3, 6 and 7, characterized in that the sleeve contains at least one circular recess (42) located radially outside of the protruding part on the seal holder and adjacent to it. 9. Шарошка по любому из п.п. 1-3, 6 и 7, отличающаяся тем, что, по меньшей мере, один держатель уплотнения имеет паз (46) на его вдоль оси внешнем конце.9. The cone according to any one of paragraphs. 1-3, 6 and 7, characterized in that at least one seal holder has a groove (46) on it along the axis of the outer end.
RU2015144868A 2013-03-20 2014-03-07 BALL WITH IMPROVED SEAL RU2015144868A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP13160149.4 2013-03-20
EP13160149.4A EP2781684A1 (en) 2013-03-20 2013-03-20 Roller cutter with improved sealing
PCT/EP2014/054472 WO2014146913A1 (en) 2013-03-20 2014-03-07 Roller cutter with improved sealing

Publications (1)

Publication Number Publication Date
RU2015144868A true RU2015144868A (en) 2017-04-26

Family

ID=47913147

Family Applications (1)

Application Number Title Priority Date Filing Date
RU2015144868A RU2015144868A (en) 2013-03-20 2014-03-07 BALL WITH IMPROVED SEAL

Country Status (11)

Country Link
US (1) US20160040482A1 (en)
EP (1) EP2781684A1 (en)
CN (1) CN105121773A (en)
AU (1) AU2014234545A1 (en)
BR (1) BR112015022729A2 (en)
CA (1) CA2903301A1 (en)
CL (1) CL2015002775A1 (en)
MX (1) MX2015013311A (en)
PE (1) PE20151581A1 (en)
RU (1) RU2015144868A (en)
WO (1) WO2014146913A1 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE112012003844T5 (en) * 2011-09-16 2014-07-10 Vermeer Manufacturing Company Widening head bearing arrangement
US10697246B2 (en) 2015-01-23 2020-06-30 Master Drilling South Africa (Pty) Ltd. Shaft enlargement arrangement for a boring system
CA3044325A1 (en) * 2016-09-21 2018-03-29 Master Sinkers (Pty) Ltd Shaft enlargement arrangement for a boring system
EP3868997A1 (en) 2020-02-21 2021-08-25 Sandvik Mining and Construction Tools AB Roller cutting tool with improved sealing
US11585158B2 (en) 2020-05-21 2023-02-21 Caterpillar Inc. Isolated lubrication system for drill bits

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3449024A (en) * 1965-03-08 1969-06-10 Dresser Ind Seal arrangement between relatively rotatable members
US3572452A (en) * 1969-04-16 1971-03-30 Dougles F Winberg Rolling cutter and seals therefor
SE509184C2 (en) 1995-06-22 1998-12-14 Sandvik Ab Cutting roller for a drill head, stopper device to be mounted centrally in a cutting roller and method for counteracting penetration of dirt in a cutting roller
SE508468C2 (en) * 1996-10-08 1998-10-12 Sandvik Ab Rock drill bit for rotating, crushing machining of rock and sealing means for such rock drill bit
SE525429C2 (en) 2003-01-30 2005-02-22 Sandvik Ab Cutting roller for a drilling head for rotary drilling
CN200982159Y (en) * 2006-09-29 2007-11-28 天津立林钻头有限公司 Roller bit single-metal floating seal assembly
CN102661123A (en) * 2012-05-03 2012-09-12 西南石油大学 High-temperature resistant floating sealing device for cone bit

Also Published As

Publication number Publication date
PE20151581A1 (en) 2015-11-05
MX2015013311A (en) 2016-01-25
BR112015022729A2 (en) 2018-05-08
CN105121773A (en) 2015-12-02
WO2014146913A1 (en) 2014-09-25
AU2014234545A1 (en) 2015-09-17
CA2903301A1 (en) 2014-09-25
CL2015002775A1 (en) 2016-05-27
EP2781684A1 (en) 2014-09-24
US20160040482A1 (en) 2016-02-11

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Legal Events

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FA92 Acknowledgement of application withdrawn (lack of supplementary materials submitted)

Effective date: 20170922