JP2012149683A - スラストころ軸受 - Google Patents
スラストころ軸受 Download PDFInfo
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- JP2012149683A JP2012149683A JP2011007771A JP2011007771A JP2012149683A JP 2012149683 A JP2012149683 A JP 2012149683A JP 2011007771 A JP2011007771 A JP 2011007771A JP 2011007771 A JP2011007771 A JP 2011007771A JP 2012149683 A JP2012149683 A JP 2012149683A
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- outer ring
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- cage
- thrust
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C19/00—Bearings with rolling contact, for exclusively rotary movement
- F16C19/22—Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings
- F16C19/30—Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings for axial load mainly
- F16C19/305—Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings for axial load mainly consisting of rollers held in a cage
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
- E02F9/08—Superstructures; Supports for superstructures
- E02F9/10—Supports for movable superstructures mounted on travelling or walking gears or on other superstructures
- E02F9/12—Slewing or traversing gears
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
- E02F9/08—Superstructures; Supports for superstructures
- E02F9/10—Supports for movable superstructures mounted on travelling or walking gears or on other superstructures
- E02F9/12—Slewing or traversing gears
- E02F9/121—Turntables, i.e. structure rotatable about 360°
- E02F9/123—Drives or control devices specially adapted therefor
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C19/00—Bearings with rolling contact, for exclusively rotary movement
- F16C19/22—Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings
- F16C19/34—Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings for both radial and axial load
- F16C19/38—Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings for both radial and axial load with two or more rows of rollers
- F16C19/381—Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings for both radial and axial load with two or more rows of rollers with at least one row for radial load in combination with at least one row for axial load
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/30—Parts of ball or roller bearings
- F16C33/34—Rollers; Needles
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/30—Parts of ball or roller bearings
- F16C33/46—Cages for rollers or needles
- F16C33/4605—Details of interaction of cage and race, e.g. retention or centring
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/30—Parts of ball or roller bearings
- F16C33/46—Cages for rollers or needles
- F16C33/51—Cages for rollers or needles formed of unconnected members
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/30—Parts of ball or roller bearings
- F16C33/46—Cages for rollers or needles
- F16C33/51—Cages for rollers or needles formed of unconnected members
- F16C33/513—Cages for rollers or needles formed of unconnected members formed of arcuate segments for carrying one or more rollers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C19/00—Bearings with rolling contact, for exclusively rotary movement
- F16C19/22—Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings
- F16C19/30—Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings for axial load mainly
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C2240/00—Specified values or numerical ranges of parameters; Relations between them
- F16C2240/40—Linear dimensions, e.g. length, radius, thickness, gap
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C2300/00—Application independent of particular apparatuses
- F16C2300/10—Application independent of particular apparatuses related to size
- F16C2300/14—Large applications, e.g. bearings having an inner diameter exceeding 500 mm
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C2350/00—Machines or articles related to building
- F16C2350/26—Excavators
Abstract
【解決手段】スラストころ19を転動可能に保持するスラスト保持器22は、ころ収容空間18の全周にわたって該ころ収容空間18内に分割して配置される複数の保持器分割体23により構成する。保持器分割体23は、外側連結部23Cの外壁面23C1に、横断面形状が半円形の2個の突起部24,25を、外輪14の周方向に離間して設けている。これにより、内輪12と外輪14との相対回転に伴って、各保持器分割体23がころ収容空間18内を周方向に移動しつつ外輪14の内周面15B1側に向けても変位したときに、各突起部24,25の頂部24A,25Aが外輪14の内周面15B1に接触するように構成でき、ミスアライメントの防止と負荷容量の確保とを図ることができる。
【選択図】図6
Description
12 内輪
14 外輪
18 ころ収容空間
15B1,16A1 内周面
19,20 スラストころ(ころ)
22,26,41 スラスト保持器(保持器)
23,27,42,100 保持器分割体
23C1,27C1,42C1,100A 外壁面
24,25,28,43,43′ 突起部
24A,25A,28A,43A 頂部
42C2,101,102 端縁部
Claims (5)
- 内輪と、該内輪の外周側に設けられ該内輪との間に環状のころ収容空間を形成する外輪と、前記内輪および外輪の軸線(O−O)に直交すると共に径方向に延びるころ中心軸線(X−X)を中心として転動可能に前記ころ収容空間に配置され前記内輪と外輪とを相対回転可能に支持する複数のころと、該各ころを転動可能に保持するため前記ころ収容空間に設けられた保持器とを備えてなるスラストころ軸受において、
前記保持器は、前記ころ収容空間の全周にわたって該ころ収容空間内に分割して配置される複数の保持器分割体により構成し、
該各保持器分割体は、前記外輪の内周面と対向する外壁面に前記外輪の内周面側に向けて突出する2個の突起部を前記外輪の周方向に離間して設け、
前記各保持器分割体が前記外輪の内周面に向けて変位したときに、前記各突起部の頂部が前記外輪の内周面に接触する構成としたことを特徴とするスラストころ軸受。 - 前記各突起部の頂部が前記外輪の内周面に接触したときに、該外輪の内周面と前記各突起部との接触点(S)を結ぶ仮想線(Y−Y)は、前記ころ中心軸線(X−X)と直交する構成としてなる請求項1に記載のスラストころ軸受。
- 前記各突起部のうち一方の突起部と前記ころ中心軸線(X−X)との離間寸法を(A)とし、前記各突起部のうち他方の突起部と前記ころ中心軸線(X−X)との離間寸法を(B)とし、前記一方の突起部の高さ寸法を(C)とし、前記他方の突起部の高さ寸法を(D)とした場合に、A=B、C=Dに設定してなる請求項1または2に記載のスラストころ軸受。
- 前記ころの半径を(R)とした場合に、0.6R≦A=B≦Rに設定してなる請求項3に記載のスラストころ軸受。
- 内輪と、該内輪の外周側に設けられ該内輪との間に環状のころ収容空間を形成する外輪と、前記内輪および外輪の軸線(O−O)に直交すると共に径方向に延びるころ中心軸線(X−X)を中心として転動可能に前記ころ収容空間に配置され前記内輪と外輪とを相対回転可能に支持する複数のころと、該各ころを転動可能に保持するため前記ころ収容空間に設けられた保持器とを備えてなるスラストころ軸受において、
前記保持器は、前記ころ収容空間の全周にわたって該ころ収容空間内に分割して配置される複数の保持器分割体により構成し、
該各保持器分割体は、前記外輪の内周面と対向する外壁面に前記外輪の内周面側に向けて突出する1個の突起部を前記ころ中心軸線(X−X)から前記外輪の周方向に離間して設け、
前記各保持器が前記外輪の内周面に向けて変位したときに、前記外壁面のうち前記ころ中心軸線(X−X)を挟んで前記突起部とは反対側の端縁部と前記突起部の頂部とが前記外輪の内周面に接触する構成とし、
前記突起部の頂部と前記外壁面の端縁部とが前記外輪の内周面に接触したときに、前記ころ中心軸線(X−X)と前記外輪の内周面との交点(K)における該内周面との接線(Z−Z)は、前記ころ中心軸線(X−X)と直交する構成としたことを特徴とするスラストころ軸受。
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2011007771A JP5680427B2 (ja) | 2011-01-18 | 2011-01-18 | スラストころ軸受 |
KR1020137011407A KR101820555B1 (ko) | 2011-01-18 | 2012-01-06 | 스러스트 롤러 베어링 |
DE112012000497.3T DE112012000497B4 (de) | 2011-01-18 | 2012-01-06 | Druckrollenlager |
US13/883,020 US8882361B2 (en) | 2011-01-18 | 2012-01-06 | Thrust roller bearing |
CN201280005573.2A CN103328840B (zh) | 2011-01-18 | 2012-01-06 | 推力滚子轴承 |
PCT/JP2012/050162 WO2012098939A1 (ja) | 2011-01-18 | 2012-01-06 | スラストころ軸受 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2011007771A JP5680427B2 (ja) | 2011-01-18 | 2011-01-18 | スラストころ軸受 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2012149683A true JP2012149683A (ja) | 2012-08-09 |
JP5680427B2 JP5680427B2 (ja) | 2015-03-04 |
Family
ID=46515570
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2011007771A Active JP5680427B2 (ja) | 2011-01-18 | 2011-01-18 | スラストころ軸受 |
Country Status (6)
Country | Link |
---|---|
US (1) | US8882361B2 (ja) |
JP (1) | JP5680427B2 (ja) |
KR (1) | KR101820555B1 (ja) |
CN (1) | CN103328840B (ja) |
DE (1) | DE112012000497B4 (ja) |
WO (1) | WO2012098939A1 (ja) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2013167355A (ja) * | 2012-02-16 | 2013-08-29 | Ab Skf | 二列転がり軸受のためのスペーサ |
JP2015152045A (ja) * | 2014-02-12 | 2015-08-24 | 株式会社ジェイテクト | ころ軸受用の分割保持器及びころ軸受 |
WO2021049265A1 (ja) * | 2019-09-13 | 2021-03-18 | 日本トムソン株式会社 | 旋回テーブル用軸受および旋回テーブル |
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DE102011083824A1 (de) * | 2011-09-30 | 2013-04-04 | Terex-Demag Gmbh | Drehverbindung für eine Arbeitsmaschine |
JP2014139455A (ja) * | 2013-01-21 | 2014-07-31 | Jtekt Corp | 保持器及び保持器を備えたスラストころ軸受 |
EP2784340B1 (en) * | 2013-03-25 | 2018-08-22 | Aktiebolaget SKF | Spacer for rolling bearing having at least a reinforcing beam |
JP2015102153A (ja) * | 2013-11-25 | 2015-06-04 | 株式会社ジェイテクト | 分割保持器及びころ軸受 |
JP6369083B2 (ja) * | 2013-11-25 | 2018-08-08 | 株式会社ジェイテクト | 分割保持器及びころ軸受 |
US9506219B2 (en) * | 2014-07-08 | 2016-11-29 | Caterpillar Global Mining Llc | Support rail and swing gear assembly for a mining vehicle |
US9394944B2 (en) * | 2014-07-08 | 2016-07-19 | Caterpillar Global Mining Llc | Thrust rail and swing gear assembly for a mining vehicle |
EP3121467A1 (en) * | 2015-07-20 | 2017-01-25 | Aktiebolaget SKF | Segmented cage for a bearing |
DE102016218792A1 (de) * | 2015-10-28 | 2017-05-04 | Schaeffler Technologies AG & Co. KG | Axiallager sowie Achsschenkel-Lageranordnung und deren Verwendung |
US10054156B2 (en) * | 2016-06-26 | 2018-08-21 | Atec Corporation | Synthetic resin retainer for large thrust ball bearings with dry-lubricant and wet-lubricant management systems |
CN108253020B (zh) * | 2016-12-28 | 2021-08-24 | 上银科技股份有限公司 | 具有间隔子的挠性轴承 |
DE102017211146A1 (de) * | 2017-06-30 | 2019-01-03 | Aktiebolaget Skf | Abstandshalter für Wälzlager, insbesondere zur Verwendung in einer Windturbine |
DE102017211488A1 (de) * | 2017-07-05 | 2019-01-10 | Aktiebolaget Skf | Segmentierter Käfig für Wälzlager |
KR102021544B1 (ko) * | 2017-07-11 | 2019-09-11 | 주식회사 윤앤플락 | 천공교반기용 커플러 |
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2011
- 2011-01-18 JP JP2011007771A patent/JP5680427B2/ja active Active
-
2012
- 2012-01-06 CN CN201280005573.2A patent/CN103328840B/zh active Active
- 2012-01-06 US US13/883,020 patent/US8882361B2/en active Active
- 2012-01-06 WO PCT/JP2012/050162 patent/WO2012098939A1/ja active Application Filing
- 2012-01-06 DE DE112012000497.3T patent/DE112012000497B4/de active Active
- 2012-01-06 KR KR1020137011407A patent/KR101820555B1/ko active IP Right Grant
Patent Citations (2)
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GB2378988A (en) * | 2001-08-23 | 2003-02-26 | Schaeffler Waelzlager Ohg | Radial-axial rolling bearing |
JP2005171724A (ja) * | 2003-12-15 | 2005-06-30 | Hitachi Constr Mach Co Ltd | 建設機械 |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2013167355A (ja) * | 2012-02-16 | 2013-08-29 | Ab Skf | 二列転がり軸受のためのスペーサ |
JP2015152045A (ja) * | 2014-02-12 | 2015-08-24 | 株式会社ジェイテクト | ころ軸受用の分割保持器及びころ軸受 |
WO2021049265A1 (ja) * | 2019-09-13 | 2021-03-18 | 日本トムソン株式会社 | 旋回テーブル用軸受および旋回テーブル |
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DE112012000497B4 (de) | 2018-03-29 |
WO2012098939A1 (ja) | 2012-07-26 |
DE112012000497T5 (de) | 2013-10-17 |
KR101820555B1 (ko) | 2018-01-19 |
US20130287331A1 (en) | 2013-10-31 |
CN103328840B (zh) | 2016-06-08 |
US8882361B2 (en) | 2014-11-11 |
KR20130140705A (ko) | 2013-12-24 |
CN103328840A (zh) | 2013-09-25 |
JP5680427B2 (ja) | 2015-03-04 |
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