JP2520114Y2 - Sealing device for movable wing operation mechanism - Google Patents
Sealing device for movable wing operation mechanismInfo
- Publication number
- JP2520114Y2 JP2520114Y2 JP1991032315U JP3231591U JP2520114Y2 JP 2520114 Y2 JP2520114 Y2 JP 2520114Y2 JP 1991032315 U JP1991032315 U JP 1991032315U JP 3231591 U JP3231591 U JP 3231591U JP 2520114 Y2 JP2520114 Y2 JP 2520114Y2
- Authority
- JP
- Japan
- Prior art keywords
- movable wing
- main shaft
- wing operation
- sealing device
- rod
- 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
Landscapes
- Hydraulic Turbines (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Description
【０００１】[0001]
【産業上の利用分野】本考案は、ポンプ製品の可動翼操
作機構に適用されるシール装置に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a sealing device applied to a movable blade operating mechanism for pump products.
【０００２】[0002]
【従来の技術】従来、ポンプ製品において、可動翼操作
機構が設置されるランナボス内は、封入された潤滑油に
よって該機構部の潤滑が行われてきた。しかしながら、
ランナボス内の潤滑油を完全にシールすることは不可能
で、最近は、環境悪化等防止のため、該ランナボス内の
潤滑を清水にて行う方法が実施されつつある。2. Description of the Related Art Conventionally, in a pump product, the inside of a runner boss in which a movable blade operating mechanism is installed has been lubricated by a lubricating oil enclosed therein. However,
It is impossible to completely seal the lubricating oil in the runner boss, and recently, in order to prevent environmental deterioration and the like, a method of lubricating the inside of the runner boss with fresh water is being implemented.
【０００３】また、翼操作に必要な操作力はランナボス
から離れた場所に設置されるバルコン、油圧ピストン等
により発生させているので、当然該装置とランナボス内
の操作機構とを連結する操作棒が必要となる。Further, since the operating force necessary for operating the blade is generated by a balcon, a hydraulic piston or the like installed at a place distant from the runner boss, the operating rod connecting the device and the operating mechanism in the runner boss is naturally provided. Will be needed.
【０００４】[0004]
【考案が解決しようとする課題】そこで、上述した潤滑
油又は清水がこの操作棒を通じて漏洩しないよう、従来
にあっては、Ｏリング、Ｖリング等の高分子材料で作製
したシールを使用している。しかしながら、該シールを
使用した場合、該シールとの摺動摩擦による軸摩耗が発
生するという問題があった。Therefore, in order to prevent the above-mentioned lubricating oil or fresh water from leaking through this operating rod, conventionally, a seal made of a polymer material such as an O-ring or a V-ring is used. There is. However, when the seal is used, there is a problem that shaft wear occurs due to sliding friction with the seal.
【０００５】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、軸摩耗の発生を確実に防
止できるようにした可動翼操作機構のシール装置を提供
することを目的とする。The present invention has been made in order to solve the above problems of the prior art, and an object of the present invention is to provide a sealing device for a movable wing operating mechanism capable of reliably preventing shaft wear. To do.
【０００６】[0006]
【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、ランナボス内の封入液体が外部へ漏洩
しないよう、ポンプの主軸とこの主軸の内部に配設され
ている可動翼操作棒との間にシール部材を配設した可動
翼操作機構のシール装置において、該シール部材を軸方
向に柔軟性を有する部材により作製すると共に、該シー
ル部材から漏洩した液体を検知する検知手段を設けたも
のである。In order to solve the above-mentioned problems, the present invention provides a main shaft of a pump and an internal part of the main shaft so that the enclosed liquid in the runner boss does not leak to the outside.
In a sealing device of a movable wing operation mechanism in which a seal member is arranged between the movable wing operation rod and the movable wing operation rod, the sealing member is made of a member having flexibility in the axial direction, and liquid leaked from the sealing member is removed. A detection means for detecting is provided.
【０００７】[0007]
【作用】上記の手段によれば、ポンプの主軸とこの主軸
の内部に配設されている可動翼操作棒との間に設けられ
るシール部材として、軸方向に柔軟性を有する部材、例
えば高圧、高速条件下のメカニカルシールに採用されて
いる溶接ベローズ等の部材を使用している。したがっ
て、主軸とシール部材との間の摺動摩擦をなくすことが
でき、軸摩耗の発生を防止できる。According to the above means, the main shaft of the pump and this main shaft
A member having flexibility in the axial direction as a seal member provided between the movable wing operating rod arranged inside the inside of the machine , for example, a member such as a welding bellows used for a mechanical seal under high pressure and high speed conditions. Are using. Therefore, sliding friction between the main shaft and the seal member can be eliminated, and shaft wear can be prevented from occurring.
【０００８】[0008]
【実施例】以下、図１を参照して本考案の一実施例につ
いて詳細に説明する。図１は、本実施例に係る可動翼操
作機構のシール装置を示す断面図である。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described in detail below with reference to FIG. FIG. 1 is a cross-sectional view showing a sealing device for a movable blade operating mechanism according to this embodiment.
【０００９】図１において、ポンプの主軸１の内部には
可動翼操作棒２が配設されており、該操作棒２の先端側
には、主軸１と共に回転運動しながら直線運動をするロ
ッド３が嵌装されている。In FIG. 1, the inside of the main shaft 1 of the pump is
A movable wing operation rod 2 is provided, and a rod 3 that linearly moves while rotating with the main shaft 1 is fitted to the tip end side of the operation rod 2.
【００１０】可動翼ポンプでは、バルコン、油圧ピスト
ン等で発生させた翼開閉操作力を駆動装置４を介して可
動翼操作棒２に伝え、さらにガイドロッド５に沿った操
作棒２の直線運転をリンク機構６によりベーン７の回転
運動に変換するよう構成されている。[0010] In the adjustable vane pump, Balcon, wing opening and closing force generated by the hydraulic piston or the like through a driving device 4 Yes
It is configured to be transmitted to the rotor blade operating rod 2 and to convert the linear operation of the operating rod 2 along the guide rod 5 into the rotational movement of the vane 7 by the link mechanism 6.
【００１１】そして、この可動翼操作機構の潤滑剤（例
えば水）はランナボス８内に封入されており、前記駆動
装置４側の液体（例えば油）との混合を避けるため、シ
ール部材９がポンプの主軸１とこの主軸の内部に配設さ
れている可動翼操作棒２との間に装着配置された構造と
なっている。The lubricant (for example, water) for the movable blade operating mechanism is sealed in the runner boss 8, and the seal member 9 is used for pumping in order to avoid mixing with the liquid (for example, oil) on the drive unit 4 side. The main spindle 1 and the inside of this main spindle
It is structured such that it is mounted and arranged between the movable wing control rod 2 and the movable wing control rod 2 .
【００１２】ロッド３は、上述したように、主軸１と共
に回転運動しながら、直線運動するため、シール部材９
は該直線方向の動きに追随できる、つまり軸方向に柔軟
性を有するベローズ等の部材により作製されている。As described above, the rod 3 linearly moves while rotating together with the main shaft 1, so that the sealing member 9
Is made of a member such as a bellows capable of following the movement in the linear direction, that is, having flexibility in the axial direction.
【００１３】また、シール部材９が万一破損した際、ラ
ンナボス８内の封入液が、ポンプの主軸１と可動翼操作
棒２との間の隙間を伝わるが、該封入液の駆動装置４側
への漏洩を防止するために、操作棒２の周囲に補助シー
ル部材１０を嵌着させた構造としている。If the seal member 9 should be damaged, the filled liquid in the runner boss 8 travels through the gap between the main shaft 1 of the pump and the movable vane operating rod 2. In order to prevent the leakage to the above, the auxiliary seal member 10 is fitted around the operation rod 2.
【００１４】さらに、主軸１において、該補助シール部
材１０の手前側にはドレン穴１１が穿設されていると共
に、該ドレン穴１１に連通するドレン受け１２が主軸１
の外周側に配設されており、該ドレン受け１２にて通常
点検時に漏洩の有無を検知できる構造としている。そし
て、該ドレン受け１２には漏洩検知器１３が取り付けら
れており、自動漏洩検知器が可能となっている。Further, in the main shaft 1, a drain hole 11 is formed on the front side of the auxiliary seal member 10, and a drain receiver 12 communicating with the drain hole 11 is provided in the main shaft 1.
The drain receiver 12 is arranged on the outer peripheral side to detect the presence or absence of leakage during normal inspection. A leak detector 13 is attached to the drain receiver 12 to enable an automatic leak detector.
【００１５】[0015]
【考案の効果】以上述べたように、本考案によれば、ポ
ンプの可動翼操作機構のシール装置において、ポンプの
主軸とこの主軸の内部に配設されている可動翼操作棒と
の間に配設するシール部材を軸方向に柔軟性を有する部
材により作製したことにより、主軸とシール部材との間
の摺動摩擦を排除でき、これによって軸摩耗の発生を確
実に防止できるという優れた効果を奏する。また、検知
手段を設けた構成としたことにより、前記シール部材よ
り漏洩が起こったとしても、該漏洩した液体を容易に検
知できるという効果も奏する。As mentioned [devised effect described above, according to the present invention, port
An arrangement of the movable wing operating mechanism of pump, the pump
Since the seal member arranged between the main shaft and the movable wing operation rod arranged inside the main shaft is made of a member having flexibility in the axial direction, the main shaft and the seal member are separated from each other. The sliding friction between them can be eliminated, and the excellent effect that the occurrence of shaft wear can be reliably prevented is achieved. Further, by providing the detecting means, even if a leak occurs from the seal member, the leaked liquid can be easily detected.
【図１】本考案の一実施例に係る可動翼操作機構のシー
ル装置を示す断面図である。FIG. 1 is a sectional view showing a sealing device for a movable blade operating mechanism according to an embodiment of the present invention.
１ 主軸 ２ 可動翼操作棒 ３ ロッド ４ 駆動装置 ５ ガイドロッド ６ リンク機構 ７ ベーン ８ ランナボス ９ シール部材 １０ 補助シール部材 １１ ドレン穴 １２ ドレン受け １３ 漏洩検知器1 main shaft 2 movable blade operation rod 3 rod 4 drive device 5 guide rod 6 link mechanism 7 vane 8 runner boss 9 seal member 10 auxiliary seal member 11 drain hole 12 drain receiver 13 leak detector
Claims (1)
いよう、ポンプの主軸とこの主軸の内部に配設されてい
る可動翼操作棒との間にシール部材を配設した可動翼操
作機構のシール装置において、該シール部材を軸方向に
柔軟性を有する部材により作製すると共に、該シール部
材から漏洩した液体を検知する検知手段を設けたことを
特徴とする可動翼操作機構のシール装置。1. A main shaft of a pump and an internal part of the main shaft so that the liquid enclosed in the runner boss does not leak outside.
In a sealing device of a movable wing operation mechanism in which a seal member is arranged between a movable wing operation rod and a movable wing operation rod, the sealing member is made of a member having flexibility in the axial direction, and liquid leaked from the sealing member is detected. that the detecting means is provided for sealing devices of the variable rotor blade operating mechanism you said.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1991032315U JP2520114Y2 (en) | 1991-03-11 | 1991-03-11 | Sealing device for movable wing operation mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1991032315U JP2520114Y2 (en) | 1991-03-11 | 1991-03-11 | Sealing device for movable wing operation mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH04109496U JPH04109496U (en) | 1992-09-22 |
| JP2520114Y2 true JP2520114Y2 (en) | 1996-12-11 |
Family
ID=31915316
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1991032315U Expired - Lifetime JP2520114Y2 (en) | 1991-03-11 | 1991-03-11 | Sealing device for movable wing operation mechanism |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2520114Y2 (en) |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS51108210U (en) * | 1975-02-28 | 1976-08-30 | ||
| JPS64767U (en) * | 1987-06-22 | 1989-01-05 | ||
| JPH01173495U (en) * | 1988-05-24 | 1989-12-08 |
-
1991
- 1991-03-11 JP JP1991032315U patent/JP2520114Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH04109496U (en) | 1992-09-22 |
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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: 19960716 |
|
| EXPY | Cancellation because of completion of term |