JPH0620720Y2 - Oil supply device for rotary shaft with additional oil supply mechanism - Google Patents
Oil supply device for rotary shaft with additional oil supply mechanismInfo
- Publication number
- JPH0620720Y2 JPH0620720Y2 JP1987047356U JP4735687U JPH0620720Y2 JP H0620720 Y2 JPH0620720 Y2 JP H0620720Y2 JP 1987047356 U JP1987047356 U JP 1987047356U JP 4735687 U JP4735687 U JP 4735687U JP H0620720 Y2 JPH0620720 Y2 JP H0620720Y2
- Authority
- JP
- Japan
- Prior art keywords
- oil supply
- additional
- housing
- rotary shaft
- 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.)
- Expired - Lifetime
Links
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- General Details Of Gearings (AREA)
- Sliding-Contact Bearings (AREA)
- Support Of The Bearing (AREA)
Description
【考案の詳細な説明】 〔産業上の利用分野〕 本考案は、回転軸の軸芯に平行に穿設された油通路に通
油するための装置に関し、特に二重反転軸系における内
軸軸受への給油および弾性継手に用いて最適の付加給油
機構付き回転軸用給油装置に関する。DETAILED DESCRIPTION OF THE INVENTION [Industrial field of application] The present invention relates to a device for passing oil through an oil passage bored in parallel with the axis of a rotary shaft, and more particularly to an inner shaft in a counter-rotating shaft system. The present invention relates to an oil supply device for a rotary shaft with an additional oil supply mechanism that is optimal for oil supply to bearings and elastic joints.
従来のこの種の回転軸用給油装置としては、第２〜４図
に示すようなものがあり、第２図はその断面図、第３図
は第２図のIII-III矢視断面図、第４図は従来技術によ
る回転軸用給油装置を用いた二重反転プロペラ軸系図で
ある。As a conventional rotary shaft oil supply device of this type, there is one as shown in FIGS. 2 to 4, FIG. 2 is a sectional view thereof, and FIG. 3 is a sectional view taken along the line III-III of FIG. FIG. 4 is a contra-rotating propeller shaft system diagram using a conventional rotary shaft lubrication device.
第２，３図に示すように、回転軸用給油装置３２におい
ては、上部ハウジング２と下部ハウジング１とが、軸芯
位置で水平に２分割され、リーマボルト１０および取付
ボルト１２により強固に結合されハウジング32aが形成
されている。このハウジング32aの内側には、回転軸
（内軸）２２の全周にわたり、微小なすきまを介して接
する半割れの軸受メタル３が、軸方向に２列配設されて
いる。軸受メタル３は上記の上部ハウジング２，下部ハ
ウジング１およびリーマボルト１０によって真円度が確
保されている。As shown in FIGS. 2 and 3, in an oil supply device 32 for a rotary shaft, an upper housing 2 and a lower housing 1 are horizontally divided into two at a shaft center position, and firmly joined by a reamer bolt 10 and a mounting bolt 12. A housing 32a is formed. Inside the housing 32a, two rows of half-cracked bearing metal 3 that is in contact with the rotary shaft (inner shaft) 22 through a small clearance is arranged in the axial direction over the entire circumference of the rotary shaft (inner shaft) 22. The circularity of the bearing metal 3 is ensured by the upper housing 2, the lower housing 1 and the reamer bolt 10 described above.
上部ハウジング２と下部ハウジング１との両端には、そ
れぞれ上下２分割構造のシーリング４が装着されてい
る。At both ends of the upper housing 2 and the lower housing 1, a ceiling 4 having an upper and lower split structure is mounted.
下部ハウジング１の中央最下部には、拘束機構６が設け
られている。この拘束機構６は、下部ハウジング１にそ
なえられた本体側ホルダー７と、同ホルダー７を一定限
度内での上下動のみを許容するよう拘束する固定部２１
側の支持側ホルダー８とからなる。つまり、本体側ホル
ダー７には、上下方向に伸びた長穴7aが形成され、一
方、支持側ホルダー８にはピン９が設けられている。そ
して、ピン９が長穴7aに遊嵌するようにそなえられるこ
とにより上述の拘束状態が実現している。このような拘
束は回転軸用給油装置３２が軸方向（スラスト方向）に
移動するのを防止するとともに、回転軸（内軸）２２の
上下振動および傾きに追随できるようにするためであ
る。A restraint mechanism 6 is provided at the lowermost center of the lower housing 1. The restraint mechanism 6 includes a main body side holder 7 provided in the lower housing 1 and a fixing portion 21 that restrains the holder 7 so as to allow only vertical movement within a certain limit.
Side supporting holder 8. That is, the main body side holder 7 is formed with the elongated hole 7a extending in the vertical direction, while the support side holder 8 is provided with the pin 9. Then, the pin 9 is provided so as to be loosely fitted in the elongated hole 7a, whereby the above-mentioned restrained state is realized. Such restraint is intended to prevent the rotary shaft oil supply device 32 from moving in the axial direction (thrust direction) and to follow the vertical vibration and inclination of the rotary shaft (inner shaft) 22.
給油口１６に供給された潤滑油ａは、軸受メタル３と回
転軸（内軸）２２にはさまれた空間16aから、回転軸
（内軸）２２に穿設された放射状の給油孔２０を通って
同芯孔１９へ通油される。回転軸（内軸）２２と軸受メ
タル３との微小なすきまから漏洩した漏洩油a1はシーリ
ング４に阻止され、排油口１７から回収される。The lubricating oil a supplied to the oil supply port 16 is supplied from the space 16a sandwiched between the bearing metal 3 and the rotary shaft (inner shaft) 22 to the radial oil supply holes 20 formed in the rotary shaft (inner shaft) 22. Oil is passed through to the concentric hole 19. Leaked oil a 1 leaked from the minute gap between the rotating shaft (inner shaft) 22 and the bearing metal 3 is blocked by the sealing 4 and collected from the drain port 17.
そして、回転軸用給油装置３２は、そのハウジング32a
全体を回転軸（内軸）２２に抱かせた構造（フローティ
ング構造）になっている。Further, the rotary shaft lubrication device 32 has a housing 32a.
It has a structure (floating structure) in which the whole is held by a rotating shaft (inner shaft) 22.
次に第４図において、従来技術による回転軸用給油装置
３２を用いた二重反転プロペラ軸系を説明する。主機関
３０の出力軸３１は、回転軸（内軸）２２に直結され、
同回転軸（内軸）２２を介して後方プロペラ３７を駆動
する。また回転軸（内軸）２２には、反転ギヤ３４を保
護するための弾性継手３３が装着され、同弾性継手３
３，反転ギヤ３４およびパイプ状の外軸３５を介して前
方プロペラ３６が後方プロペラとは逆方向に回転駆動さ
れる。回転軸用給油装置３２は出力軸３１と弾性継手３
３との間に装備されており、潤滑油ａは伸縮ホース４
０，回転軸用給油装置３２，給油孔２０，同芯孔１９お
よび内軸軸受給油孔３９を通って内軸軸受３８へ給油さ
れ、同内軸軸受３８の潤滑に供せられる。Next, referring to FIG. 4, a counter-rotating propeller shaft system using the conventional rotary shaft lubrication device 32 will be described. The output shaft 31 of the main engine 30 is directly connected to the rotary shaft (inner shaft) 22,
The rear propeller 37 is driven via the rotary shaft (inner shaft) 22. Further, an elastic joint 33 for protecting the reversing gear 34 is attached to the rotary shaft (inner shaft) 22.
3, the front propeller 36 is rotationally driven in the opposite direction to the rear propeller via the reversing gear 34 and the pipe-shaped outer shaft 35. The rotary shaft lubrication device 32 includes an output shaft 31 and an elastic joint 3.
It is installed between 3 and, and the lubricating oil a is the expansion hose 4
0, the rotary shaft oil supply device 32, the oil supply hole 20, the concentric hole 19, and the inner shaft bearing oil supply hole 39 to supply oil to the inner shaft bearing 38, and to lubricate the inner shaft bearing 38.
ところで、上述のような従来の回転軸用給油装置３２で
は、一種類の潤滑油のみを供給する場合であれば対応で
きるが、二種類の潤滑油の供給を要する場合には対応で
きない。By the way, the conventional rotary shaft oil supply device 32 as described above can cope with the case of supplying only one kind of lubricating oil, but cannot cope with the case of supplying two kinds of lubricating oil.
特に二重反転プロペラ軸系においては、反転ギヤ３４を
保護するために反転ギヤ３４の入力側に弾性継手３３が
必要である。同弾性継手３３の弾性体には通常板バネが
使用せられ、潤滑が必要である。加えて、この潤滑に
は、内軸軸受３８に用いる潤滑油とは異なった油種が要
求される。したがって、前述のような回転軸用給油装置
３２とは別個に弾性継手３３の潤滑のための給油装置が
必要となる。Particularly, in the counter-rotating propeller shaft system, the elastic joint 33 is required on the input side of the reversing gear 34 in order to protect the reversing gear 34. A leaf spring is usually used for the elastic body of the elastic joint 33, which requires lubrication. In addition, this lubrication requires an oil type different from the lubricating oil used for the inner shaft bearing 38. Therefore, an oil supply device for lubricating the elastic joint 33 is required separately from the rotary shaft oil supply device 32 as described above.
一方、装備個所のスペースの点からみて、内軸軸受３８
に潤滑油を供給するための回転軸用給油装置と弾性継手
３３に潤滑油を供給するための給油装置とをそれぞれ別
の場所に装備することは実用的でなく、またメンテナン
スの点からみても不利である。On the other hand, from the viewpoint of the space of the equipment, the inner shaft bearing 38
It is not practical to equip the rotating shaft oil supply device for supplying the lubricating oil to the shaft and the oil supply device for supplying the lubricating oil to the elastic joint 33 in different places, and in terms of maintenance. It is a disadvantage.
本考案は上述の問題点の解決をはかろうとするもので、
異種の潤滑油を、混合させることなく、要求される別系
統の個所へそれぞれ供給しうる２基の給油装置を互いに
隣接して一体に設けた回転軸用給油装置を提供すること
を目的とする。The present invention is intended to solve the above problems,
An object of the present invention is to provide an oil supply device for a rotary shaft, which is integrally provided with two oil supply devices adjacent to each other, which can supply different kinds of lubricating oils to required parts of different systems without mixing them. .
上述の目的を達成するため、本考案の付加給油機構付き
回転軸用給油装置は、回転軸と相対的にすべる軸受メタ
ルをそれぞれ軸方向に２列配設された上部ハウジングお
よび下部ハウジングからなる半割れ構造のハウジング
と、同ハウジングを固定部に拘束する拘束機構と、上記
回転軸に穿設され上記軸受メタル間の給油口から供給さ
れた潤滑油を上記回転軸の同芯孔に通油する放射状の給
油孔とを有する回転軸用給油装置において、上記回転軸
と相対的にすべる付加軸受メタルをそれぞれ軸方向に２
列配設された上部付加ハウジングおよび下部付加ハウジ
ングからなる半割れ構造の付加ハウジングと、上記回転
軸に穿設され上記付加軸受メタル間の付加給油口から供
給された潤滑油を上記回転軸に形成された付加同芯孔に
通油する円周方向の付加給油孔とを有する付加給油機構
をそなえ、上記の上部ハウジングおよび下部ハウジング
がそれぞれ上記の上部付加ハウジングおよび下部付加ハ
ウジングに互いに隣接して一体に設けられたことを特徴
としている。In order to achieve the above-mentioned object, the lubrication device for a rotary shaft with an additional lubrication mechanism according to the present invention comprises a half-housing consisting of an upper housing and a lower housing, each of which has two rows of bearing metal that slide relative to the rotary shaft. A housing having a cracked structure, a restraint mechanism that restrains the housing to a fixed portion, and lubricating oil that is bored in the rotating shaft and supplied from an oil supply port between the bearing metals is passed through the concentric hole of the rotating shaft. In an oil supply device for a rotary shaft having a radial oil supply hole, two additional bearing metals that slide relative to the rotary shaft are respectively provided in the axial direction.
A half-split structure additional housing consisting of an upper additional housing and a lower additional housing arranged in a row, and lubricating oil supplied from an additional oil supply port between the additional bearing metal bored in the rotary shaft to the rotary shaft. An additional oil supply mechanism having an additional oil supply hole in the circumferential direction that allows oil to pass through the additional concentric hole, and the upper housing and the lower housing are adjacent to and integrated with the upper additional housing and the lower additional housing, respectively. It is characterized by being provided in.
本考案の付加給油機構付き回転軸用給油装置では、回転
軸内を経由して、異種の潤滑油を混合させることなく、
それぞれ別々に要求される任意の個所へ供給することが
できる。加えて漏洩油も混合することなく、別々に回収
される。In the lubrication device for the rotary shaft with the additional lubrication mechanism of the present invention, without mixing different types of lubricating oils via the interior of the rotary shaft,
Each can be supplied separately to any desired location. In addition, leaked oil is collected separately without mixing.
以下、第１図（断面図）により本考案の一実施例として
の付加給油機構付き回転軸用給油装置について説明す
る。Hereinafter, referring to FIG. 1 (cross-sectional view), a description will be given of an oil supply device for a rotary shaft with an additional oil supply mechanism as an embodiment of the present invention.
第１図に示すように、本考案の付加給油機構付き回転軸
用給油装置は、従来例とほぼ同様な回転軸用給油装置３
２と、付加給油機構４１とからなっている。As shown in FIG. 1, the rotary shaft lubrication device with an additional lubrication mechanism of the present invention is a rotary shaft lubrication device 3 similar to the conventional example.
2 and an additional oil supply mechanism 41.
まず、回転軸用給油装置３２について説明すると、従来
例とほぼ同様に、上部ハウジング２と下部ハウジング１
とが、軸芯位置で水平に２分割され、リーマボルト１０
および取付ボルト１２により強固に結合されることによ
りハウジング32aが形成されている。このハウジング32a
の内側には、回転軸（内軸）２２の全周にわたり、微小
なすきまを介して接する半割れの軸受メタル３が、軸方
向に２列配設されている。軸受メタル３は上記の上部ハ
ウジング２，下部ハウジング１およびリーマボルト１０
によって真円度が確保されている。First, the rotary shaft lubrication device 32 will be described. The upper housing 2 and the lower housing 1 are similar to the conventional example.
And are horizontally divided into two at the axial center position, and the reamer bolt 10
The housing 32a is formed by being firmly coupled with the mounting bolts 12. This housing 32a
Inside, the half-cracked bearing metal 3 that is in contact with the rotary shaft (inner shaft) 22 through a small clearance is arranged in two rows in the axial direction. The bearing metal 3 is composed of the upper housing 2, the lower housing 1 and the reamer bolt 10 described above.
The roundness is secured by.
上部ハウジング２と下部ハウジング１との両端には、そ
れぞれ上下２分割構造のシーリング４が装着されてい
る。At both ends of the upper housing 2 and the lower housing 1, a ceiling 4 having an upper and lower split structure is mounted.
下部ハウジング１の中央最下部には、拘束機構６が設け
られている。この拘束機構６は、下部ハウジング１にそ
なえられた本体側ホルダー７と、同ホルダー７を一定限
度内での上下動のみを許容するよう拘束する固定部２１
側の支持側ホルダー８とからなる。つまり、本体側ホル
ダー７には、上下方向に伸びた長穴7aが形成され、一
方、支持側ホルダー８にはピン９が設けられている。そ
して、ピン９が長穴7aに遊嵌するようにそなえられるこ
とにより上述の拘束状態が実現している。このような拘
束は回転軸用給油装置３２が軸方向（スラスト方向）に
移動するのを防止するとともに、回転軸（内軸）２２の
上下振動および傾きに追随できるようにするためであ
る。なお、図中の符号１４，１５は取付ボルトを示す。A restraint mechanism 6 is provided at the lowermost center of the lower housing 1. The restraint mechanism 6 includes a main body side holder 7 provided in the lower housing 1 and a fixing portion 21 that restrains the holder 7 so as to allow only vertical movement within a certain limit.
Side supporting holder 8. That is, the main body side holder 7 is formed with the elongated hole 7a extending in the vertical direction, while the support side holder 8 is provided with the pin 9. Then, the pin 9 is provided so as to be loosely fitted in the elongated hole 7a, whereby the above-mentioned restrained state is realized. Such restraint is intended to prevent the rotary shaft oil supply device 32 from moving in the axial direction (thrust direction) and to follow the vertical vibration and inclination of the rotary shaft (inner shaft) 22. Reference numerals 14 and 15 in the figure denote mounting bolts.
給油口１６に供給された潤滑油ａは、軸受メタル３と回
転軸（内軸）２２にはさまれた空間16aから、回転軸
（内軸）２２に穿設された放射状の給油孔２０を通って
同芯孔１９へ通油される。回転軸（内軸）２２と軸受メ
タル３との微小なすきまから漏洩した漏洩油a1はシーリ
ング４に阻止され、排油口１７から回収される。The lubricating oil a supplied to the oil supply port 16 is supplied from the space 16a sandwiched between the bearing metal 3 and the rotary shaft (inner shaft) 22 to the radial oil supply holes 20 formed in the rotary shaft (inner shaft) 22. Oil is passed through to the concentric hole 19. Leaked oil a 1 leaked from the minute gap between the rotating shaft (inner shaft) 22 and the bearing metal 3 is blocked by the sealing 4 and collected from the drain port 17.
そして、回転軸用給油装置３２は、そのハウジング32a
を回転軸（内軸）２２に抱かせた構造（フローティング
構造）になっている。Further, the rotary shaft lubrication device 32 has a housing 32a.
Has a structure (floating structure) in which the rotary shaft (inner shaft) 22 is held.
次に、本装置にそなえられた付加給油機構４１について
説明すると、この付加給油機構４１のハウジング41a
は、回転軸用給油装置３２のハウジング32aに隣接して
ハウジング32aと一体に設けられている。Next, the additional oil supply mechanism 41 provided in the present device will be described. The housing 41a of the additional oil supply mechanism 41 is described.
Is provided integrally with the housing 32a adjacent to the housing 32a of the rotary shaft oil supply device 32.
この回転軸用付加給油機構４１のハウジング41aは、軸
芯位置で水平に２分割された上部付加ハウジング２４と
下部付加ハウジング２３とが、リーマボルト１０により
強固に結合されて形成されている。上部付加ハウジング
２４および下部付加ハウジング２３の内側には、回転軸
（内軸）２２の全周にわたり、微少なすきまを介して接
する半割れの付加軸受メタル２５が、軸方向に２列配設
されている。付加軸受メタル２５は、上記の上部付加ハ
ウジング２４，下部付加ハウジング２３およびリーマボ
ルト１０によって真円度が確保されている。A housing 41a of the rotary shaft additional oil supply mechanism 41 is formed by firmly connecting an upper additional housing 24 and a lower additional housing 23, which are horizontally divided at an axial center position, by a reamer bolt 10. Inside the upper additional housing 24 and the lower additional housing 23, half-cracked additional bearing metal 25, which is in contact with the rotary shaft (inner shaft) 22 through a slight clearance, is arranged in two rows in the axial direction. ing. Roundness of the additional bearing metal 25 is ensured by the upper additional housing 24, the lower additional housing 23, and the reamer bolt 10 described above.
上部付加ハウジング２４と下部付加ハウジング２３との
左端には、上下２分割構造の付加シーリング５が装着さ
れ、さらに下部付加ハウジング２３の付加軸受メタル２
５，２５間には、回転軸（内軸）２２に円周方向に形成
された付加給油孔２８に連通する付加給油口２６が形成
されている。At the left ends of the upper additional housing 24 and the lower additional housing 23, an additional ceiling 5 having a vertically divided two-part structure is mounted, and the additional bearing metal 2 of the lower additional housing 23 is further installed.
An additional oil supply port 26 that communicates with an additional oil supply hole 28 formed in the circumferential direction of the rotary shaft (inner shaft) 22 is formed between the Nos. 5 and 25.
付加給油孔２８は、回転軸（内軸）２２に形成され弾性
継手に接続する付加通油孔２９に連通している。The additional oil supply hole 28 communicates with an additional oil passage hole 29 formed in the rotary shaft (inner shaft) 22 and connected to the elastic joint.
本考案の付加給油機構付き回転軸用給油装置は上述のよ
うに構成されているので、内軸軸受（第４図の符号３８
参照）に供給するための潤滑油ａは給油口１６より供給
せられ、回転軸（内軸）２２のの給油孔２０から同芯孔
１９へと入り、内軸軸受（図示せず）へ給油され、この
漏洩油a1は排油口１７から回収される。Since the rotary shaft lubrication device with the additional lubrication mechanism of the present invention is configured as described above, the inner shaft bearing (reference numeral 38 in FIG. 4) is used.
Lubricating oil a to be supplied to the inner shaft bearing (not shown) from the oil supply hole 20 of the rotary shaft (inner shaft) 22 to the concentric hole 19 and is supplied to the inner shaft bearing (not shown). The leaked oil a 1 is collected from the oil discharge port 17.
一方、弾性継手（第４図の符号３３参照）に供給するた
めの潤滑油ｂは付加給油口２６から供給され、回転軸
（内軸）２２の付加給油孔２８から付加通油孔２９へと
入り、上記弾性継手へ給油され、この漏洩油b1は付加排
油口２７から回収される。On the other hand, the lubricating oil b for supplying to the elastic joint (see reference numeral 33 in FIG. 4) is supplied from the additional oil supply port 26 and from the additional oil supply hole 28 of the rotary shaft (inner shaft) 22 to the additional oil passage hole 29. The oil enters and is supplied to the elastic joint, and the leaked oil b 1 is collected from the additional oil discharge port 27.
この時、回転軸用給油装置３２のハウジング32aと付加
給油機構４１のハウジング41aとの間に装着されている
シーリング４によって、漏洩油a1,b1が混合することは
ない。At this time, the leakage oils a 1 and b 1 are not mixed by the sealing 4 mounted between the housing 32a of the rotary shaft oil supply device 32 and the housing 41a of the additional oil supply mechanism 41.
以上詳述したように、本考案の付加給油機構付き回転軸
用給油装置によれば、次のような効果ないし利点が得ら
れる。As described in detail above, according to the rotary shaft lubrication device with the additional lubrication mechanism of the present invention, the following effects and advantages are obtained.
(1)異種の潤滑油を回転軸を経由して任意の個所に別々
に供給できる。(1) Different kinds of lubricating oils can be separately supplied to arbitrary places via the rotating shaft.
(2)給油装置と付加給油機構とを、それらのハウジング
を互いに隣接して一体に設けたことで、回転軸用給油装
置本体の取付スペースが最少ですみ、軸系のコストおよ
び回転軸用給油装置本体のコストが低減できる。(2) Since the housings of the lubricator and the additional lubrication mechanism are adjacently integrated with each other, the installation space for the main body of the lubricator for the rotary shaft is minimized, the cost of the shaft system and the lubrication for the rotary shaft are reduced. The cost of the device body can be reduced.
また設計上の自由度が増し設備配置計画上も有利であ
る。In addition, the degree of freedom in design is increased, which is advantageous in planning equipment layout.
さらに、シーリングおよび拘束機構をそれぞれ一つずつ
減らすことができ、コスト面および保守管理上有利であ
る。Further, one sealing and one restraint mechanism can be reduced, which is advantageous in terms of cost and maintenance.
(3)漏洩油が完全分離されて、それぞれ回収されるため
潤滑油管理が容易である。(3) Since the leaked oil is completely separated and collected, it is easy to manage the lubricating oil.
(4)回転軸に対し、供給油圧で回転軸用給油装置のケー
シングが同芯にフローティングするため、漏洩油量が少
なく、給油効率が向上するとともに、２分割構造のため
組立保守が容易である。(4) Since the casing of the oil supply device for the rotating shaft floats concentrically with the rotating shaft by the supplied oil pressure, the amount of leaked oil is small, the oil supply efficiency is improved, and the two-part structure facilitates assembly and maintenance. .
第１図は本考案の一実施例としての付加給油機構付き回
転軸用給油装置を示す断面図であり、第２〜４図は従来
の回転軸用給油装置を示すもので、第２図はその断面
図、第３図は第２図のIII-III矢視断面図、第４図は従
来技術による回転軸用給油装置を用いた二重反転プロペ
ラ軸系図である。 １……下部ハウジング、２……上部ハウジング、３……
軸受メタル、４……シーリング、５……付加シーリン
グ、６……拘束機構、７……本体側ホルダー、7a……楕
円穴、８……支持側ホルダー、９……ピン、１０……リ
ーマボルト、１２……取付ボルト、１４，１５……取付
ボルト、１６……給油口、16a……空間、１７……排油
口、１９……同芯孔、２０……給油孔、２１……固定
部、２２……回転軸（内軸）、２３……下部付加ハウジ
ング、２４……上部付加ハウジング、２５……付加軸受
メタル、２６……付加給油口、２７……付加排油口、２
８……付加給油孔、２９……付加通油孔、３０……主機
関、３１……出力軸、３２……回転軸用給油装置、32a
……ハウジング、３３……弾性継手、３４……反転ギ
ヤ、３５……外軸、３６……前方プロペラ、３７……後
方プロペラ、３８……内軸軸受、３９……内軸軸受給油
孔、４０……伸縮ホース、４１……付加給油機構、41a
……ハウジング、a,b……潤滑油、a1,b1……漏洩油。FIG. 1 is a sectional view showing an oil supply device for a rotary shaft with an additional oil supply mechanism as one embodiment of the present invention, FIGS. 2-4 show a conventional oil supply device for a rotary shaft, and FIG. A sectional view thereof, FIG. 3 is a sectional view taken along the line III-III of FIG. 2, and FIG. 4 is a contra-rotating propeller shaft system diagram using a conventional rotary shaft oil supply device. 1 ... Lower housing, 2 ... Upper housing, 3 ...
Bearing metal, 4 ... Sealing, 5 ... Additional sealing, 6 ... Restraint mechanism, 7 ... Main body side holder, 7a ... Elliptical hole, 8 ... Support side holder, 9 ... Pin, 10 ... Reamer bolt, 12 ... Mounting bolt, 14, 15 ... Mounting bolt, 16 ... Oil supply port, 16a ... Space, 17 ... Oil discharge port, 19 ... Concentric hole, 20 ... Oil supply hole, 21 ... Fixed part , 22 ... rotary shaft (inner shaft), 23 ... lower additional housing, 24 ... upper additional housing, 25 ... additional bearing metal, 26 ... additional oil supply port, 27 ... additional oil discharge port, 2
8 ... additional oil supply hole, 29 ... additional oil passage hole, 30 ... main engine, 31 ... output shaft, 32 ... rotation shaft oil supply device, 32a
...... Housing, 33 ...... Elastic joint, 34 ...... Inversion gear, 35 ...... Outer shaft, 36 ...... Front propeller, 37 ...... Rear propeller, 38 ...... Inner shaft bearing, 39 ...... Inner shaft bearing oil supply hole, 40: telescopic hose, 41: additional lubrication mechanism, 41a
…… Housing, a, b …… Lubricating oil, a 1 , b 1 …… Leaking oil.
───────────────────────────────────────────────────── フロントページの続き (72)考案者 今村 仁 長崎県長崎市飽の浦町１番１号 三菱重工 業株式会社長崎造船所内 (56)参考文献 特開 昭62−244793（ＪＰ，Ａ) 特開 昭62−181998（ＪＰ，Ａ) 実開 昭54−131646（ＪＰ，Ｕ) ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Hitoshi Imamura 1-1 No. 1 Satinoura-machi, Nagasaki City, Nagasaki Mitsubishi Heavy Industries, Ltd. Nagasaki Shipyard (56) Reference JP-A-62-244793 (JP, A) JP Showa 62-181998 (JP, A) Actually opened Showa 54-131646 (JP, U)
Claims (1)
ぞれ軸方向に２列配設された上部ハウジングおよび下部
ハウジングからなる半割れ構造のハウジングと、同ハウ
ジングを固定部に拘束する拘束機構と、上記回転軸に穿
設され上記軸受メタル間の給油口から供給された潤滑油
を上記回転軸の同芯孔に通油する放射状の給油孔とを有
する回転軸用給油装置において、上記回転軸と相対的に
すべる付加軸受メタルをそれぞれ軸方向に２列配設され
た上部付加ハウジングおよび下部付加ハウジングからな
る半割れ構造の付加ハウジングと、上記回転軸に穿設さ
れ上記付加軸受メタル間の付加給油口から供給された潤
滑油を上記回転軸に形成された付加通油孔に通油する円
周方向の付加給油孔とを有する付加給油機構をそなえ、
上記の上部ハウジングおよび下部ハウジングがそれぞれ
上記の上部付加ハウジングおよび下部付加ハウジングに
互いに隣接して一体に設けられたことを特徴とする、付
加給油機構付き回転軸用給油装置。1. A housing having a half-split structure, which is composed of an upper housing and a lower housing in which two rows of bearing metals that slide relative to a rotary shaft are respectively arranged in the axial direction, and a restraint mechanism that restrains the housing to a fixed portion. A rotating shaft oil supply device having a radial oil supply hole for allowing lubricating oil, which is bored in the rotating shaft and supplied from an oil supply port between the bearing metals, to pass through a concentric hole of the rotating shaft, An additional housing having a half-split structure, which is composed of an upper additional housing and a lower additional housing in which two rows of additional bearing metals that slide relative to each other are respectively arranged in an axial direction; An additional oil supply mechanism having an additional oil supply hole in the circumferential direction for passing the lubricating oil supplied from the oil supply port to the additional oil passage hole formed in the rotary shaft,
An oil supply device for a rotary shaft with an additional oil supply mechanism, wherein the upper housing and the lower housing are integrally provided adjacent to the upper additional housing and the lower additional housing, respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987047356U JPH0620720Y2 (en) | 1987-03-30 | 1987-03-30 | Oil supply device for rotary shaft with additional oil supply mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987047356U JPH0620720Y2 (en) | 1987-03-30 | 1987-03-30 | Oil supply device for rotary shaft with additional oil supply mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63155799U JPS63155799U (en) | 1988-10-13 |
| JPH0620720Y2 true JPH0620720Y2 (en) | 1994-06-01 |
Family
ID=30867886
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987047356U Expired - Lifetime JPH0620720Y2 (en) | 1987-03-30 | 1987-03-30 | Oil supply device for rotary shaft with additional oil supply mechanism |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0620720Y2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117662621B (en) * | 2024-02-01 | 2024-04-30 | 哈尔滨银河电力设备有限公司 | Thermal power bearing bush high-pressure oil top shaft unidirectional transmission device and use method thereof |
-
1987
- 1987-03-30 JP JP1987047356U patent/JPH0620720Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPS63155799U (en) | 1988-10-13 |
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