JP2508554Y2 - Bearing lubrication device for rotating machinery - Google Patents
Bearing lubrication device for rotating machineryInfo
- Publication number
- JP2508554Y2 JP2508554Y2 JP5020991U JP5020991U JP2508554Y2 JP 2508554 Y2 JP2508554 Y2 JP 2508554Y2 JP 5020991 U JP5020991 U JP 5020991U JP 5020991 U JP5020991 U JP 5020991U JP 2508554 Y2 JP2508554 Y2 JP 2508554Y2
- Authority
- JP
- Japan
- Prior art keywords
- bearing
- water
- main shaft
- storage tank
- water storage
- 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.)
- Expired - Lifetime
Links
Description
【０００１】[0001]
【産業上の利用分野】本考案は、立軸ポンプ、その他水
中で使用される縦形回転機械の主軸支承用軸受を潤滑す
る装置に係り、特に起動時の潤滑を確実に行えるように
した回転機械の軸受潤滑装置に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a device for lubricating a vertical shaft pump and other bearings for supporting a main shaft of a vertical rotary machine used underwater, and more particularly to a rotary machine for ensuring reliable lubrication at start-up. Bearing lubrication device
【０００２】[0002]
【従来の技術】図９に立軸ポンプの全体構造を示す。図
９において、縦長なケーシング１の中心部に主軸２が上
下配置の複数の軸受３によって支持されている。これら
軸受３は、例えばセラミック軸受である。また、最上部
の軸受３の上方には、主軸２の大気への貫通部を軸封す
るシール部４が設けられ、吐出水の大気側への漏洩を防
止するようになっている。2. Description of the Related Art FIG. 9 shows the overall structure of a vertical shaft pump. In FIG. 9, a main shaft 2 is supported by a plurality of vertically arranged bearings 3 at the center of a vertically long casing 1. These bearings 3 are, for example, ceramic bearings. Further, above the uppermost bearing 3, there is provided a seal portion 4 for axially sealing the penetrating portion of the main shaft 2 to the atmosphere to prevent the discharge water from leaking to the atmosphere side.
【０００３】そして、ポンプ運転時には、主軸２の回転
によってケーシング１の吐出管５から揚水がなされ、そ
の揚水の一部によって軸受３の軸受面が水潤滑される。During pump operation, the main shaft 2 rotates to pump water from the discharge pipe 5 of the casing 1, and the bearing surface of the bearing 3 is water-lubricated by a part of the pumped water.
【０００４】次に、図１０は前述した軸受３の構成を詳
細に示す。図１０において、ケーシング１に支持された
軸受ハウジング６に、弾性リング７を介してリテーナ８
が支持され、このリテーナ８にセラミックス製の軸受部
材９が支持されている。Next, FIG. 10 shows in detail the structure of the bearing 3 described above. In FIG. 10, a bearing housing 6 supported by a casing 1 is attached to a retainer 8 via an elastic ring 7.
A ceramic bearing member 9 is supported on the retainer 8.
【０００５】また、図１１は前述したシール部４の構成
を詳細に示す。図１１において、シール部４はシールボ
ックス１０と複数のシール１１とを包含し、シールボッ
クス１０は最上部の軸受３の上方に配置され、ケーシン
グ１の吐出管５で支持されている。また、複数のシール
１１は、シールボックス１０により担持されて、主軸２
とシールボックス１０との間に介装されている。Further, FIG. 11 shows the structure of the above-mentioned seal portion 4 in detail. In FIG. 11, the seal portion 4 includes a seal box 10 and a plurality of seals 11. The seal box 10 is arranged above the uppermost bearing 3 and is supported by the discharge pipe 5 of the casing 1. Further, the plurality of seals 11 are carried by the seal box 10, and the main shaft 2
And the seal box 10.
【０００６】[0006]
【考案が解決しようとする課題】ところが、以上述べた
従来の軸受機構では、ポンプが起動してから吐出水が揚
水されるまで、長時間を要する場合がある。したがっ
て、この間、軸受３の軸受面１２（図１０参照）への揚
水による水潤滑がないと、長時間のドライ状態が続き、
軸受温度が上昇し、軸受に焼付きや摩耗が生じる。However, in the conventional bearing mechanism described above, it may take a long time from the start of the pump until the discharge water is pumped up. Therefore, during this period, if the bearing surface 12 (see FIG. 10) of the bearing 3 is not water-lubricated by pumping, a long dry state continues,
The bearing temperature rises, causing seizure and wear on the bearing.
【０００７】本考案は、このような従来技術の課題を解
決するためになされたもので、長時間の揚水がないドラ
イ条件での起動の際でも、軸受に焼付きや摩耗が生じる
ことがないようにした回転機械の軸受潤滑装置を提供す
ることを目的とする。The present invention has been made in order to solve the above-mentioned problems of the prior art, and does not cause seizure or wear of the bearing even when the bearing is started under dry conditions without pumping for a long time. An object of the present invention is to provide a bearing lubrication device for a rotary machine.
【０００８】[0008]
【課題を解決するための手段】上記の課題を解決するた
めに、本考案は、縦長な主軸を上下配置の複数の軸受で
支承する回転機械であって、前記主軸の回転時の揚水に
よって前記軸受を水潤滑する回転機械の軸受潤滑装置に
おいて、前記軸受の上方に揚水を貯溜する貯水タンクを
設けるとともに、この貯水タンクに主軸の周囲に沿う通
水孔を設け、かつ前記主軸に、その主軸の停止時に前記
通水孔を塞ぎ、主軸の回転時に遠心力によって前記通水
孔を開放する弁を設けたものである。In order to solve the above problems, the present invention relates to a rotary machine which supports a vertically long main shaft by a plurality of vertically arranged bearings, wherein the pump is pumped when the main shaft rotates. In a bearing lubricating device for a rotary machine that lubricates a bearing with water, a water storage tank for storing pumped water is provided above the bearing, and a water passage hole is provided in the water storage tank along the periphery of the main shaft, and the main shaft is provided with the main shaft. Is provided with a valve that closes the water passage hole at the time of stop and opens the water passage hole by centrifugal force when the main shaft rotates.
【０００９】[0009]
【作用】上記の手段によれば、主軸が回転すると、遠心
力によって弁が通水孔を開放し、貯水タンク内の水が自
重によって流下し、軸受に供給される。これにより、長
時間の揚水がないドライ条件での起動の際でも軸受が潤
滑される。 したがって、ドライ条件でも軸受が良好に
潤滑されるので、軸受に焼付きや摩耗を生じることがな
い。According to the above means, when the main shaft rotates, the valve opens the water passage hole by the centrifugal force, and the water in the water storage tank flows down by its own weight and is supplied to the bearing. As a result, the bearing is lubricated even at the time of start-up under dry conditions without pumping for a long time. Therefore, the bearing is satisfactorily lubricated even under dry conditions, and seizure or wear does not occur on the bearing.
【００１０】[0010]
【実施例】以下、図１〜図８を参照して本考案の幾つか
の実施例について詳細に説明する。なお、これらの図に
おいて、図９〜図１１に示した従来のものと同一の部分
には同一の符号を付して、重複する説明は省略する。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Some embodiments of the present invention will be described in detail below with reference to FIGS. In these figures, the same parts as those of the conventional one shown in FIGS. 9 to 11 are designated by the same reference numerals, and the duplicated description will be omitted.
【００１１】図１および図２は、本考案の第１実施例を
示す。本実施例によれば、最上部の軸受３とシール部４
との間に、シールボックス１０と一体に形成されている
とともに、ポンプケーシングの吐出管５で支持された貯
水タンク２０が、主軸２を囲むように環状に設けられて
いる。そして、この貯水タンク２０は、主軸２の周囲に
沿う通水孔２１が設けられている仕切板２２を備えてい
る。1 and 2 show a first embodiment of the present invention. According to this embodiment, the uppermost bearing 3 and the seal portion 4
A water storage tank 20, which is integrally formed with the seal box 10 and is supported by the discharge pipe 5 of the pump casing, is annularly provided so as to surround the main shaft 2. The water storage tank 20 is provided with a partition plate 22 having water passage holes 21 along the circumference of the main shaft 2.
【００１２】また、主軸２には、その主軸２の停止時に
通水孔２１の開口部２３を塞ぎ、主軸２の回転時にその
遠心力によって通水孔２１を開放する弁２４が設けられ
ている。すなわち、この弁２４は、特に図２に詳細に示
すように、弾性材製のリップ２５を有する弁体２６を包
含し、このリップ２５の端部を下向きに傾斜した状態で
弁体２６を主軸２にバンド２７によって取り付け、この
リップ２５が、通水孔２１の開口部２３が位置する貯水
タンク１０の鍔２８の上端面に当接して、通水孔２１の
開口部２３を塞ぐようになっている。Further, the main shaft 2 is provided with a valve 24 which closes the opening 23 of the water passage hole 21 when the main shaft 2 is stopped and opens the water passage hole 21 by its centrifugal force when the main shaft 2 rotates. . That is, this valve 24 includes a valve body 26 having a lip 25 made of an elastic material, as shown in detail in FIG. 2, and the valve body 26 is supported with the end portion of the lip 25 inclined downward. 2 is attached by a band 27 to the upper end surface of the collar 28 of the water storage tank 10 in which the opening 23 of the water passage hole 21 is located, and the lip 25 closes the opening 23 of the water passage hole 21. ing.
【００１３】更に、図１に示すように、貯水タンク２０
の下部には、異物を溜めるポケット２９が設けられてい
る。したがって、、吐出水に含まれる異物は、このポケ
ット２９に保留される。また、図２に示すように、弁体
２６にはその上下を連通する均圧孔３０が設けられてい
る。Further, as shown in FIG. 1, the water storage tank 20.
A pocket 29 for accumulating foreign matter is provided in the lower part of the. Therefore, the foreign matter contained in the discharged water is retained in the pocket 29. Further, as shown in FIG. 2, the valve body 26 is provided with a pressure equalizing hole 30 that communicates the upper and lower sides thereof.
【００１４】しかして、主軸２が回転すると、その遠心
力によって弁２４のリップ２５が図２に破線で示すよう
にほぼ水平状態となり、通水孔２１の開口部２３を開い
て水が貯水タンク２０から自重によって軸受３の軸受面
１２に供給される。これにより、軸受３が潤滑される。When the main shaft 2 rotates, the lip 25 of the valve 24 is brought into a substantially horizontal state by the centrifugal force thereof as shown by the broken line in FIG. 2, and the opening 23 of the water passage hole 21 is opened to store water. It is supplied from 20 to the bearing surface 12 of the bearing 3 by its own weight. As a result, the bearing 3 is lubricated.
【００１５】したがって、長時間の揚水がないドライ条
件での起動の際でも軸受３が潤滑され、軸受３が良好に
潤滑されるので、軸受３に焼付きや摩耗を生じることが
ない。Therefore, the bearing 3 is lubricated even when it is started under a dry condition without pumping for a long time, and the bearing 3 is well lubricated, so that the bearing 3 is not seized or worn.
【００１６】次に、図３および図４は本考案の第２実施
例を示す。本実施例では、弁２４において、リップ２５
を有する弁体２６が、貯水タンク２０の底壁に接触し、
直接主軸２周りに形成された通水孔（隙間）２１を塞ぐ
ようになっている。Next, FIGS. 3 and 4 show a second embodiment of the present invention. In this embodiment, the valve 24 has a lip 25.
The valve body 26 having a contact with the bottom wall of the water storage tank 20,
The water passage hole (gap) 21 formed around the main shaft 2 is directly closed.
【００１７】そして、主軸２が回転すると、その遠心力
によってリップ２５が破線で示すようにほぼ水平状態と
なり、通水孔２１を開放して水が貯水タンク２０から自
重によって軸受３の軸受面１２に供給される。これによ
り、軸受３が潤滑される。When the main shaft 2 rotates, the centrifugal force thereof causes the lip 25 to be in a substantially horizontal state as shown by a broken line, the water passage hole 21 is opened, and the water from the water storage tank 20 is borne by its own weight. Is supplied to. As a result, the bearing 3 is lubricated.
【００１８】次に、図５は本考案の第３実施例を示す。
本実施例では、貯水タンク２０がシール部４の上方に設
けられ、外部通水管３１によってケーシングの吐出管５
に連通されている。また、貯水タンク２０の通水孔２１
は下向きに開口され、弁２４のリップ２５は上向きに傾
斜してタンク下面に当接するようになっている。Next, FIG. 5 shows a third embodiment of the present invention.
In the present embodiment, the water storage tank 20 is provided above the seal portion 4, and the discharge pipe 5 of the casing is provided by the external water passage pipe 31.
Is communicated to. In addition, the water passage hole 21 of the water storage tank 20
Is opened downward, and the lip 25 of the valve 24 is inclined upward so as to abut the lower surface of the tank.
【００１９】そして、主軸２が回転すると、その遠心力
によって弁２４のリップ２５がほぼ水平状態となり、通
水孔２１の開口部２３を開放して水が貯水タンク２０か
ら自重によって軸受３の軸受面１２に供給される。これ
により、軸受３が潤滑される。When the main shaft 2 rotates, the lip 25 of the valve 24 is brought into a substantially horizontal state due to the centrifugal force, and the opening 23 of the water passage hole 21 is opened to allow the water to flow from the water storage tank 20 to the bearing of the bearing 3 by its own weight. It is supplied to the surface 12. As a result, the bearing 3 is lubricated.
【００２０】次に、図６は本考案の第４実施例を示す。
本実施例は、図５に示した第３実施例の変形で、貯水タ
ンク２０がシール部４の周囲部に設けられている。その
他の点は図５と同一であるので、重複する説明は省略す
る。Next, FIG. 6 shows a fourth embodiment of the present invention.
This embodiment is a modification of the third embodiment shown in FIG. 5, in which a water storage tank 20 is provided around the seal portion 4. Since the other points are the same as those in FIG. 5, duplicate description will be omitted.
【００２１】次に、図７は本考案の第５実施例を示す
る。本実施例では、図１に示した第１実施例の構成に加
え、上部軸受３と下部軸受３とが主軸２周囲に配置する
導水管３２で連通され、これにより上部軸受３から流下
する水が下部軸受３を潤滑するようになっている。な
お、揚水時には水が導水管３２によって貯水タンク２０
に流入し、貯水される。その他の構成は図１と同一であ
るので、重複する説明を省略する。Next, FIG. 7 shows a fifth embodiment of the present invention. In the present embodiment, in addition to the structure of the first embodiment shown in FIG. Lubricates the lower bearing 3. In addition, at the time of pumping, the water is transferred to the water storage tank 20 through the water conduit 32.
Flows into and is stored. Since other configurations are the same as those in FIG. 1, duplicate description will be omitted.
【００２２】最後に、図８は図７に示した第５実施例の
運転時の作用を示す。主軸２の回転起動により、その遠
心力によって弁２４のリップ２５がほぼ水平状態になっ
て、貯水タンク２０の通水孔２１が開き、貯水タンク２
０の水が上部軸受３および導水管３２を介して各軸受３
の軸受面１２に定量供給され、潤滑水として作用する。
これにより、揚水までの間、軸受面のドライ状態が防止
され、軸受面の潤滑が良好に保持される。Finally, FIG. 8 shows the operation of the fifth embodiment shown in FIG. 7 during operation. When the main shaft 2 is started to rotate, the lip 25 of the valve 24 is brought into a substantially horizontal state due to the centrifugal force, the water passage hole 21 of the water storage tank 20 is opened, and the water storage tank 2
0 of water is passed through the upper bearing 3 and the water conduit 32 to each bearing 3
It is supplied in a fixed amount to the bearing surface 12 of and acts as lubricating water.
As a result, the dry state of the bearing surface is prevented and the lubrication of the bearing surface is maintained well until the pumping.
【００２３】また、通常運転時には、吐出管５と貯水タ
ンク２０とが連通し、貯水タンク２０に水が導入されて
貯水され、主軸２の回転停止とともに弁２４のリップ２
５が垂れさがって、貯水タンク２０の通水孔２１を閉
じ、次の起動に備える。During normal operation, the discharge pipe 5 and the water storage tank 20 communicate with each other, water is introduced into the water storage tank 20 to store water, and the main shaft 2 stops rotating and the lip 2 of the valve 24 is stopped.
5 hangs down and closes the water passage hole 21 of the water storage tank 20 to prepare for the next start.
【００２４】[0024]
【考案の効果】以上述べたように、本考案によれば、主
軸の回転による遠心力で貯水タンクを通水孔を開放する
弁を設け、これにより該貯水タンク内の水が自重によっ
て流下し、軸受に供給されるようにしたので、長時間の
揚水がないドライ条件での起動の際でも軸受が良好に潤
滑され、軸受に焼付きや摩耗を生じることがないという
効果が奏される。As described above, according to the present invention, the valve for opening the water passage hole of the water storage tank by the centrifugal force due to the rotation of the main shaft is provided, whereby the water in the water storage tank flows down by its own weight. Since it is supplied to the bearing, the bearing is well lubricated even when it is started under a dry condition without pumping for a long time, and seizure or wear of the bearing does not occur.
【図１】本考案の第１実施例に係る回転機械の軸受潤滑
装置を示す縦断面図である。FIG. 1 is a vertical cross-sectional view showing a bearing lubrication device for a rotary machine according to a first embodiment of the present invention.
【図２】図１の要部拡大図である。FIG. 2 is an enlarged view of a main part of FIG.
【図３】本考案の第２実施例に係る回転機械の軸受潤滑
装置を示す縦断面図である。FIG. 3 is a vertical cross-sectional view showing a bearing lubrication device for a rotary machine according to a second embodiment of the present invention.
【図４】図３の要部拡大図である。FIG. 4 is an enlarged view of a main part of FIG. 3;
【図５】本考案の第３実施例に係る回転機械の軸受潤滑
装置を示す縦断面図である。FIG. 5 is a vertical cross-sectional view showing a bearing lubricating device for a rotary machine according to a third embodiment of the present invention.
【図６】本考案の第４実施例に係る回転機械の軸受潤滑
装置を示す縦断面図である。FIG. 6 is a vertical cross-sectional view showing a bearing lubricating device for a rotary machine according to a fourth embodiment of the present invention.
【図７】本考案の第５実施例に係る回転機械の軸受潤滑
装置を示す縦断面図である。FIG. 7 is a vertical cross-sectional view showing a bearing lubricating device for a rotary machine according to a fifth embodiment of the present invention.
【図８】図７に示した第５実施例の運転時の作用説明図
である。FIG. 8 is an operation explanatory view of the fifth embodiment shown in FIG. 7 during operation.
【図９】立軸ポンプを全体構造示す概略断面図である。FIG. 9 is a schematic cross-sectional view showing the overall structure of a vertical shaft pump.
【図１０】図９の軸受部分を拡大して示す断面図であ
る。10 is an enlarged sectional view showing a bearing portion of FIG. 9. FIG.
【図１１】図９の軸受及びシール部の部分を拡大して示
す断面図である。FIG. 11 is an enlarged cross-sectional view showing a bearing and a seal portion of FIG. 9.
１ ケーシング ２ 主軸 ３ 軸受 ５ 吐出管 １２ 軸受面 ２０ 貯水タンク ２１ 通水孔 ２４ 弁 ３１ 外部通水管 ３２ 導水管 1 casing 2 main shaft 3 bearing 5 discharge pipe 12 bearing surface 20 water storage tank 21 water passage hole 24 valve 31 external water passage pipe 32 water conduit
Claims (1)
する回転機械であって、前記主軸の回転時の揚水によっ
て前記軸受を水潤滑する回転機械の軸受潤滑装置におい
て、前記軸受の上方に揚水を貯溜する貯水タンクを設け
るとともに、この貯水タンクに主軸の周囲に沿う通水孔
を設け、かつ前記主軸に、その主軸の停止時に前記通水
孔を塞ぎ、主軸の回転時に遠心力によって前記通水孔を
開放する弁を設けたことを特徴とする回転機械の軸受潤
滑装置。1. A bearing lubrication device for a rotary machine, comprising: a vertical main shaft supported by a plurality of vertically arranged bearings; and a bearing lubrication device for the rotary machine, wherein the bearing is water-lubricated by pumping water when the main shaft rotates. A water storage tank for storing pumped water is provided in the water storage tank, and a water passage hole is provided in the water storage tank along the circumference of the main shaft, and the main shaft is closed by the water passage hole when the main shaft is stopped. A bearing lubricating device for a rotary machine, comprising a valve for opening the water passage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5020991U JP2508554Y2 (en) | 1991-06-04 | 1991-06-04 | Bearing lubrication device for rotating machinery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5020991U JP2508554Y2 (en) | 1991-06-04 | 1991-06-04 | Bearing lubrication device for rotating machinery |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH04134923U JPH04134923U (en) | 1992-12-15 |
| JP2508554Y2 true JP2508554Y2 (en) | 1996-08-28 |
Family
ID=31927687
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5020991U Expired - Lifetime JP2508554Y2 (en) | 1991-06-04 | 1991-06-04 | Bearing lubrication device for rotating machinery |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2508554Y2 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7857906B2 (en) | 2001-03-09 | 2010-12-28 | James Hardie Technology Limited | Fiber reinforced cement composite materials using chemically treated fibers with improved dispersibility |
| US8133352B2 (en) | 2000-10-17 | 2012-03-13 | James Hardie Technology Limited | Method and apparatus for reducing impurities in cellulose fibers for manufacture of fiber reinforced cement composite materials |
| US8603239B2 (en) | 2000-03-14 | 2013-12-10 | James Hardie Technology Limited | Fiber cement building materials with low density additives |
-
1991
- 1991-06-04 JP JP5020991U patent/JP2508554Y2/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8603239B2 (en) | 2000-03-14 | 2013-12-10 | James Hardie Technology Limited | Fiber cement building materials with low density additives |
| US8133352B2 (en) | 2000-10-17 | 2012-03-13 | James Hardie Technology Limited | Method and apparatus for reducing impurities in cellulose fibers for manufacture of fiber reinforced cement composite materials |
| US8268119B2 (en) | 2000-10-17 | 2012-09-18 | James Hardie Technology Limited | Method and apparatus for reducing impurities in cellulose fibers for manufacture of fiber reinforced cement composite materials |
| US7857906B2 (en) | 2001-03-09 | 2010-12-28 | James Hardie Technology Limited | Fiber reinforced cement composite materials using chemically treated fibers with improved dispersibility |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH04134923U (en) | 1992-12-15 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 19960409 |