JP2016145589A5 - - Google Patents
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- Publication number
- JP2016145589A5 JP2016145589A5 JP2015021768A JP2015021768A JP2016145589A5 JP 2016145589 A5 JP2016145589 A5 JP 2016145589A5 JP 2015021768 A JP2015021768 A JP 2015021768A JP 2015021768 A JP2015021768 A JP 2015021768A JP 2016145589 A5 JP2016145589 A5 JP 2016145589A5
- Authority
- JP
- Japan
- Prior art keywords
- bearing
- rotor shaft
- carrier ring
- bearing pad
- pad
- 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.)
- Granted
Links
- 239000000969 carrier Substances 0.000 claims 9
- 230000002093 peripheral Effects 0.000 claims 8
- 239000003921 oil Substances 0.000 claims 6
- 239000002184 metal Substances 0.000 claims 5
- 239000010687 lubricating oil Substances 0.000 claims 2
- 238000011144 upstream manufacturing Methods 0.000 claims 1
Claims (10)
前記キャリアリングの内周側に設けられ、ロータ軸を支持するように構成された少なくとも二つの軸受パッドと、
前記キャリアリングの内周側に設けられ、前記軸受パッドと前記ロータ軸との間に潤滑油を供給するための少なくとも一つの給油ユニットと、
前記キャリアリングの軸方向一端部と他端部とに前記ロータ軸の外周に沿って設置された一対のサイドプレートと、
を備え、
前記少なくとも二つの軸受パッドと前記一対のサイドプレートとによって囲まれた軸受内部空間を大気に開放するとともに、前記潤滑油を前記軸受内部空間から外部に排出するように構成された少なくとも一つの開口を有し、
前記少なくとも一つの開口は、前記ロータ軸の周方向において前記少なくとも二つの軸受パッド間に形成される前記軸受内部空間に開口している
ことを特徴とするジャーナル軸受。 A cylindrical carrier ring;
At least two bearing pads provided on the inner peripheral side of the carrier ring and configured to support the rotor shaft;
At least one oil supply unit that is provided on the inner peripheral side of the carrier ring and supplies lubricating oil between the bearing pad and the rotor shaft;
A pair of side plates installed along the outer periphery of the rotor shaft at one end and the other end in the axial direction of the carrier ring;
With
At least one opening configured to open the bearing inner space surrounded by the at least two bearing pads and the pair of side plates to the atmosphere and to discharge the lubricating oil from the bearing inner space to the outside. Yes, and
The journal bearing according to claim 1, wherein the at least one opening is opened in the bearing internal space formed between the at least two bearing pads in a circumferential direction of the rotor shaft .
前記キャリアリングの下半領域の内周側に設けられる第１軸受パッドと、
前記キャリアリングの前記下半領域の内周側において前記第１軸受パッドよりも前記ロータ軸の回転方向下流側に設けられ、前記ロータ軸を下方から支持するように構成された第２軸受パッドと、
を含み、
１個以上の前記開口が、前記第１軸受パッドと前記第２軸受パッドとの間の周方向位置に設けられることを特徴とする請求項１乃至４の何れか一項に記載のジャーナル軸受。 The at least two bearing pads are:
A first bearing pad provided on the inner peripheral side of the lower half region of the carrier ring;
A second bearing pad provided on the inner peripheral side of the lower half region of the carrier ring on the downstream side in the rotational direction of the rotor shaft with respect to the first bearing pad and configured to support the rotor shaft from below; ,
Including
The journal bearing according to claim 1, wherein the one or more openings are provided at a circumferential position between the first bearing pad and the second bearing pad.
前記第１軸受パッドの上流側直前に位置する第１給油ユニットと、
前記第１軸受パッドと前記第２軸受パッドとの間の周方向位置に設置された第２給油ユニットと、
を含むことを特徴とする請求項５に記載のジャーナル軸受。 The at least one refueling unit is
A first oil supply unit located immediately upstream of the first bearing pad;
A second oil supply unit installed at a circumferential position between the first bearing pad and the second bearing pad;
The journal bearing according to claim 5, comprising:
前記少なくとも一つの開口は、前記第１軸受パッドと前記第２軸受パッドとの間の前記周方向位置に加えて、前記ガイドメタルと前記第１軸受パッドとの間の周方向位置、または、前記ガイドメタルと前記第２軸受パッドとの間の周方向位置の少なくとも一方に設けられていることを特徴とする請求項５又は６に記載のジャーナル軸受。 Provided on the inner peripheral side of the upper half region of the carrier ring, further comprising a guide metal that covers the upper region of the outer peripheral surface of the rotor shaft,
The at least one opening is a circumferential position between the guide metal and the first bearing pad, in addition to the circumferential position between the first bearing pad and the second bearing pad, or The journal bearing according to claim 5 or 6, wherein the journal bearing is provided at at least one of circumferential positions between a guide metal and the second bearing pad.
前記少なくとも一つの開口は、前記ガイドメタルの延在範囲を除く周方向位置範囲に設けられることを特徴とする請求項１乃至８の何れか一項に記載のジャーナル軸受。 Provided on the inner peripheral side of the upper half region of the carrier ring, further comprising a guide metal that covers the upper region of the outer peripheral surface of the rotor shaft,
The journal bearing according to any one of claims 1 to 8, wherein the at least one opening is provided in a circumferential position range excluding an extension range of the guide metal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2015021768A JP6437838B2 (en) | 2015-02-06 | 2015-02-06 | Journal bearing and rotating machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2015021768A JP6437838B2 (en) | 2015-02-06 | 2015-02-06 | Journal bearing and rotating machine |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2016145589A JP2016145589A (en) | 2016-08-12 |
| JP2016145589A5 true JP2016145589A5 (en) | 2018-03-08 |
| JP6437838B2 JP6437838B2 (en) | 2018-12-12 |
Family
ID=56685312
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2015021768A Expired - Fee Related JP6437838B2 (en) | 2015-02-06 | 2015-02-06 | Journal bearing and rotating machine |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP6437838B2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102016216395A1 (en) * | 2016-08-31 | 2018-03-01 | Robert Bosch Gmbh | tilting pad |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4497587A (en) * | 1983-06-20 | 1985-02-05 | General Electric Company | Three-pad journal bearing |
| JP2003176818A (en) * | 2001-12-11 | 2003-06-27 | Hitachi Ltd | Pad type journal bearing |
| JP2008151239A (en) * | 2006-12-15 | 2008-07-03 | Mitsubishi Heavy Ind Ltd | Tilting pad type bearing |
| JP4764486B2 (en) * | 2009-02-27 | 2011-09-07 | 三菱重工業株式会社 | Journal bearing |
| JP6261999B2 (en) * | 2014-01-31 | 2018-01-17 | 三菱重工業株式会社 | Thrust bearing and turbine |
-
2015
- 2015-02-06 JP JP2015021768A patent/JP6437838B2/en not_active Expired - Fee Related
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