JP2014196788A - 回転軸支持構造及び回転機械 - Google Patents
回転軸支持構造及び回転機械 Download PDFInfo
- Publication number
- JP2014196788A JP2014196788A JP2013072643A JP2013072643A JP2014196788A JP 2014196788 A JP2014196788 A JP 2014196788A JP 2013072643 A JP2013072643 A JP 2013072643A JP 2013072643 A JP2013072643 A JP 2013072643A JP 2014196788 A JP2014196788 A JP 2014196788A
- Authority
- JP
- Japan
- Prior art keywords
- rotating shaft
- bearing
- support structure
- scattering prevention
- lubricating oil
- Prior art date
- Legal status (The legal status 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 status listed.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02C—GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS
- F02C7/00—Features, components parts, details or accessories, not provided for in, or of interest apart form groups F02C1/00 - F02C6/00; Air intakes for jet-propulsion plants
- F02C7/06—Arrangements of bearings; Lubricating
-
- 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
- F16C17/00—Sliding-contact bearings for exclusively rotary movement
- F16C17/02—Sliding-contact bearings for exclusively rotary movement for radial load only
- F16C17/03—Sliding-contact bearings for exclusively rotary movement for radial load only with tiltably-supported segments, e.g. Michell bearings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02C—GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS
- F02C3/00—Gas-turbine plants characterised by the use of combustion products as the working fluid
- F02C3/04—Gas-turbine plants characterised by the use of combustion products as the working fluid having a turbine driving a compressor
-
- 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
- F16C17/00—Sliding-contact bearings for exclusively rotary movement
- F16C17/02—Sliding-contact bearings for exclusively rotary movement for radial load only
-
- 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
- F16C33/02—Parts of sliding-contact bearings
- F16C33/04—Brasses; Bushes; Linings
- F16C33/06—Sliding surface mainly made of metal
- F16C33/10—Construction relative to lubrication
-
- 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
- F16C33/02—Parts of sliding-contact bearings
- F16C33/04—Brasses; Bushes; Linings
- F16C33/06—Sliding surface mainly made of metal
- F16C33/10—Construction relative to lubrication
- F16C33/1025—Construction relative to lubrication with liquid, e.g. oil, as lubricant
- F16C33/1045—Details of supply of the liquid to the bearing
-
- 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
- F16C33/02—Parts of sliding-contact bearings
- F16C33/04—Brasses; Bushes; Linings
- F16C33/06—Sliding surface mainly made of metal
- F16C33/10—Construction relative to lubrication
- F16C33/1025—Construction relative to lubrication with liquid, e.g. oil, as lubricant
- F16C33/106—Details of distribution or circulation inside the bearings, e.g. details of the bearing surfaces to affect flow or pressure of the liquid
- F16C33/1085—Channels or passages to recirculate the liquid in the bearing
-
- 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
- F16C2360/00—Engines or pumps
- F16C2360/23—Gas turbine engines
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Sliding-Contact Bearings (AREA)
Abstract
Description
12 圧縮機
14 燃焼器
16 タービン
18、19 軸受装置
20 回転軸
22 動翼
24 ケーシング
26 静翼
30 ジャーナル軸受機構(回転軸支持機構)
31 軸受カバー
32 キャビティ
40 スラスト軸受機構
41、42 潤滑油循環機構
48 吸引機構
48a 吸引口
50 軸受(ジャーナル軸受)
52、54 飛散防止板
55、56 サイドプレート
61 キャリアリング
61a 上部キャリアリング
61b 下部キャリアリング
63 上部軸受パッド
64 下部軸受パッド
65 油通路
66 給油ノズル
67 油供給穴
70 基部
70a 内周端
72、82 傾斜部
72a、82a 内周面
72b 先端部
74、84 突起部
78 ボルト穴
79 端面
79a 内周縁
79b 内周端
Claims (7)
- 回転軸を支持し、
前記回転軸と対面する面に直接潤滑方式により潤滑油が供給され、前記回転軸から漏洩した前記潤滑油のミストを回収する吸引機構を保有するキャビティ内に配置された軸受と、
前記軸受の前記回転軸の軸方向の端面側で、かつ、前記回転軸の鉛直方向上側に配置された少なくとも1つの飛散防止板を有することを特徴とする回転軸支持構造。 - 前記飛散防止板は、前記軸受に固定されていることを特徴とする請求項1に記載の回転軸支持構造。
- 前記回転軸支持構造は2つの飛散防止板を備え、1つの飛散防止板が前記軸受の前記回転軸の軸方向の一方の端面側に配置され、
他の1つの飛散防止板が前記軸受の前記回転軸の軸方向の他方の端面側に配置されていることを特徴とする請求項1または2に記載の回転軸支持構造。 - 前記飛散防止板は、前記回転軸の径方向内側の端面に、径方向内側に向かうにしたがって、軸方向において前記軸受から離れる向きに傾斜した傾斜部を有することを特徴とする請求項1から3のいずれか一項に記載の回転軸支持構造。
- 前記飛散防止板は、前記回転軸の接線を回転方向に沿った向きに伸ばした場合、水平方向または水平方向よりも鉛直方向上側に傾斜した接線と、前記傾斜部の内周面が形成する内周領域とが、軸方向から前記飛散防止板を見て重なるように配置されていることを特徴とする請求項1から4のいずれか一項に記載の回転軸支持構造。
- 前記軸受は、ジャーナル軸受であることを特徴とする請求項1から5のいずれか一項に記載の回転軸支持構造。
- 請求項1から6のいずれか一項に記載の回転軸支持構造、を有する回転機械。
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2013072643A JP6037916B2 (ja) | 2013-03-29 | 2013-03-29 | 回転軸支持構造及び回転機械 |
KR1020157026182A KR101726119B1 (ko) | 2013-03-29 | 2013-10-22 | 회전축 지지 구조 및 회전 기계 |
PCT/JP2013/078619 WO2014155798A1 (ja) | 2013-03-29 | 2013-10-22 | 回転軸支持構造及び回転機械 |
CN201380075060.3A CN105051387B (zh) | 2013-03-29 | 2013-10-22 | 旋转轴支承结构以及旋转机械 |
DE112013006892.3T DE112013006892B4 (de) | 2013-03-29 | 2013-10-22 | Lagerstruktur einer rotierenden Welle und Rotationsmaschine |
US14/779,039 US9945291B2 (en) | 2013-03-29 | 2013-10-22 | Rotating shaft support structure and rotary machine |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2013072643A JP6037916B2 (ja) | 2013-03-29 | 2013-03-29 | 回転軸支持構造及び回転機械 |
Publications (3)
Publication Number | Publication Date |
---|---|
JP2014196788A true JP2014196788A (ja) | 2014-10-16 |
JP2014196788A5 JP2014196788A5 (ja) | 2016-05-19 |
JP6037916B2 JP6037916B2 (ja) | 2016-12-07 |
Family
ID=51622836
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2013072643A Active JP6037916B2 (ja) | 2013-03-29 | 2013-03-29 | 回転軸支持構造及び回転機械 |
Country Status (6)
Country | Link |
---|---|
US (1) | US9945291B2 (ja) |
JP (1) | JP6037916B2 (ja) |
KR (1) | KR101726119B1 (ja) |
CN (1) | CN105051387B (ja) |
DE (1) | DE112013006892B4 (ja) |
WO (1) | WO2014155798A1 (ja) |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2016145588A (ja) * | 2015-02-06 | 2016-08-12 | 三菱日立パワーシステムズ株式会社 | 軸受装置および回転機械 |
JP2017155755A (ja) * | 2016-02-29 | 2017-09-07 | 三菱日立パワーシステムズ株式会社 | ジャーナル軸受および回転機械 |
JP2017155758A (ja) * | 2016-02-29 | 2017-09-07 | 三菱日立パワーシステムズ株式会社 | ジャーナル軸受および回転機械 |
US10323690B2 (en) * | 2015-08-19 | 2019-06-18 | Daido Metal Company Ltd. | Vertical bearing device |
US10400821B2 (en) * | 2015-08-19 | 2019-09-03 | Daido Metal Company Ltd. | Vertical bearing device |
US10514058B2 (en) | 2016-08-10 | 2019-12-24 | Mitsubishi Hitachi Power Systems, Ltd. | Bearing device and rotary machine |
US10514062B2 (en) * | 2016-08-10 | 2019-12-24 | Mitsubishi Hitachi Power Systems, Ltd. | Journal device and rotary machine |
WO2021205523A1 (ja) * | 2020-04-07 | 2021-10-14 | 三菱電機株式会社 | ジャーナル軸受およびジャーナル軸受を用いた回転機器 |
Families Citing this family (6)
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US10544732B2 (en) | 2011-07-28 | 2020-01-28 | Pratt & Whitney Canada Corp. | Rotary internal combustion engine with removable subchamber insert |
KR102168770B1 (ko) * | 2016-03-22 | 2020-10-22 | 엔티엔 가부시키가이샤 | 수차 및 그것에 사용하는 2개의 수나사축의 연결 구조 및 2개의 축의 연결 구조 |
KR101862933B1 (ko) | 2016-10-13 | 2018-05-31 | 두산중공업 주식회사 | 가스 터빈 |
JP7334059B2 (ja) * | 2019-05-10 | 2023-08-28 | ナブテスコ株式会社 | 回転軸部材保持機構及び減速機 |
US11306656B2 (en) | 2019-10-24 | 2022-04-19 | Raytheon Technologies Corporation | Oil drainback arrangement for gas turbine engine |
JP7493346B2 (ja) * | 2020-02-03 | 2024-05-31 | 三菱重工コンプレッサ株式会社 | 回転機械 |
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2013
- 2013-03-29 JP JP2013072643A patent/JP6037916B2/ja active Active
- 2013-10-22 DE DE112013006892.3T patent/DE112013006892B4/de active Active
- 2013-10-22 CN CN201380075060.3A patent/CN105051387B/zh active Active
- 2013-10-22 US US14/779,039 patent/US9945291B2/en active Active
- 2013-10-22 KR KR1020157026182A patent/KR101726119B1/ko active IP Right Grant
- 2013-10-22 WO PCT/JP2013/078619 patent/WO2014155798A1/ja active Application Filing
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Cited By (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2016145588A (ja) * | 2015-02-06 | 2016-08-12 | 三菱日立パワーシステムズ株式会社 | 軸受装置および回転機械 |
US10323690B2 (en) * | 2015-08-19 | 2019-06-18 | Daido Metal Company Ltd. | Vertical bearing device |
US10400821B2 (en) * | 2015-08-19 | 2019-09-03 | Daido Metal Company Ltd. | Vertical bearing device |
US10451105B2 (en) | 2016-02-29 | 2019-10-22 | Mitsubishi Hitachi Power Systems, Ltd. | Journal bearing and rotary machine |
KR20180101594A (ko) * | 2016-02-29 | 2018-09-12 | 미츠비시 히타치 파워 시스템즈 가부시키가이샤 | 저널 베어링 및 회전 기계 |
CN108700111A (zh) * | 2016-02-29 | 2018-10-23 | 三菱日立电力系统株式会社 | 轴颈轴承以及旋转机械 |
WO2017150496A1 (ja) * | 2016-02-29 | 2017-09-08 | 三菱日立パワーシステムズ株式会社 | ジャーナル軸受および回転機械 |
JP2017155758A (ja) * | 2016-02-29 | 2017-09-07 | 三菱日立パワーシステムズ株式会社 | ジャーナル軸受および回転機械 |
JP2017155755A (ja) * | 2016-02-29 | 2017-09-07 | 三菱日立パワーシステムズ株式会社 | ジャーナル軸受および回転機械 |
KR102055517B1 (ko) * | 2016-02-29 | 2019-12-12 | 미츠비시 히타치 파워 시스템즈 가부시키가이샤 | 저널 베어링 및 회전 기계 |
CN108700111B (zh) * | 2016-02-29 | 2020-03-24 | 三菱日立电力系统株式会社 | 轴颈轴承以及旋转机械 |
US11143242B2 (en) | 2016-02-29 | 2021-10-12 | Mitsubishi Power, Ltd. | Journal Device and rotary machine |
JP7000010B2 (ja) | 2016-02-29 | 2022-01-19 | 三菱パワー株式会社 | ジャーナル軸受および回転機械 |
US10514058B2 (en) | 2016-08-10 | 2019-12-24 | Mitsubishi Hitachi Power Systems, Ltd. | Bearing device and rotary machine |
US10514062B2 (en) * | 2016-08-10 | 2019-12-24 | Mitsubishi Hitachi Power Systems, Ltd. | Journal device and rotary machine |
WO2021205523A1 (ja) * | 2020-04-07 | 2021-10-14 | 三菱電機株式会社 | ジャーナル軸受およびジャーナル軸受を用いた回転機器 |
Also Published As
Publication number | Publication date |
---|---|
KR20150119440A (ko) | 2015-10-23 |
JP6037916B2 (ja) | 2016-12-07 |
CN105051387A (zh) | 2015-11-11 |
CN105051387B (zh) | 2018-03-27 |
US9945291B2 (en) | 2018-04-17 |
DE112013006892T5 (de) | 2015-12-24 |
US20160053687A1 (en) | 2016-02-25 |
KR101726119B1 (ko) | 2017-04-11 |
WO2014155798A1 (ja) | 2014-10-02 |
DE112013006892B4 (de) | 2020-08-13 |
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