JPH01130064A - Turbine rotary part sealing device - Google Patents
Turbine rotary part sealing deviceInfo
- Publication number
- JPH01130064A JPH01130064A JP62286689A JP28668987A JPH01130064A JP H01130064 A JPH01130064 A JP H01130064A JP 62286689 A JP62286689 A JP 62286689A JP 28668987 A JP28668987 A JP 28668987A JP H01130064 A JPH01130064 A JP H01130064A
- Authority
- JP
- Japan
- Prior art keywords
- seal body
- rotating part
- seal
- water
- rotary part
- 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.)
- Pending
Links
- 238000007789 sealing Methods 0.000 title claims abstract description 18
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 19
- 238000007689 inspection Methods 0.000 claims abstract description 7
- 238000012423 maintenance Methods 0.000 claims abstract description 7
- 229920003002 synthetic resin Polymers 0.000 claims description 3
- 239000000057 synthetic resin Substances 0.000 claims description 3
- 239000004033 plastic Substances 0.000 abstract 1
- 229920003023 plastic Polymers 0.000 abstract 1
- 238000004891 communication Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
Abstract
Description
【発明の詳細な説明】
〔産業上の利用分野〕
この発明は水車における回転部が固定部を貫通する個所
に設けられ、常時は封水機能をもたせず保守点検時のみ
封水機能をもたせる封水装置に係り、とくにシール体お
よびその近辺の構造に関する。[Detailed Description of the Invention] [Field of Industrial Application] This invention provides a seal that is provided at a location where the rotating part of a water turbine passes through a fixed part, and that does not have a water-sealing function at all times but has a water-sealing function only during maintenance and inspection. It relates to water devices, and in particular to the structure of the seal body and its vicinity.
この種の封水装置としては従来第２図に示す構図示のよ
うな弾性のあるゴム類である。このシール体２は固定部
３の内面に円環板状の２個の取付片４ａ、４ｂに挾まれ
て取付けられている。シール体２と固定部１との間には
給気室５があり、この給気室５には給気管６が連通接続
されている。この封水装置は常時は図示のごとくシール
体２は回転部１と遊離しているが保守点検時に給気管６
より圧縮性気体を送入すると圧縮性気体は給気室５端を
回転部１に押し付けるので氷→状態となる。・〔発明が
解決しようとする問題点〕
上述した封水装置はゴム製のシール体を変形させてシー
ル体２と回転部１との隙間弁だけシール体２をストロー
クさせ、さらにシール体２を回転部ｌに押圧するのでゴ
ム製シール体に大きな変形を与えるためには、シール体
の寸法を可成り大きくしなければならないのでシール体
の取付スペ−スが大きくなる欠点があった。This type of water sealing device has conventionally been made of elastic rubber as shown in FIG. This seal body 2 is attached to the inner surface of the fixed part 3 by being sandwiched between two annular plate-shaped attachment pieces 4a and 4b. There is an air supply chamber 5 between the seal body 2 and the fixed part 1, and an air supply pipe 6 is connected to the air supply chamber 5 in communication. In this water sealing device, the seal body 2 is normally separated from the rotating part 1 as shown in the figure, but during maintenance and inspection, the seal body 2 is separated from the rotating part 1.
When more compressible gas is fed in, the compressible gas presses the end of the air supply chamber 5 against the rotating part 1, resulting in an ice→state. - [Problem to be solved by the invention] The above-mentioned water sealing device deforms the rubber seal body, strokes the seal body 2 only by the gap valve between the seal body 2 and the rotating part 1, and further strokes the seal body 2. In order to apply large deformation to the rubber seal body due to the pressure applied to the rotating part 1, the size of the seal body must be made considerably large, which has the disadvantage that the installation space for the seal body becomes large.
この発明は前述した問題点に鑑みシール体の取付スペー
スをなるべく小さくし、かつ優れた封水機能を有する封
水装置を提供することを目的とする。SUMMARY OF THE INVENTION In view of the above-mentioned problems, an object of the present invention is to provide a water sealing device that requires as little space as possible for installing a seal body and has an excellent water sealing function.
この発明では上述した目的達成のため、シール体自体お
よびその近辺の構造を次のようにした。In this invention, in order to achieve the above-mentioned object, the structure of the seal body itself and its vicinity is as follows.
すなわち回転部を直接押圧するシール体を合成樹脂など
の剛体で形成し、常時はこのシール体が回ル体背面に設
けたゴム製のチューブに圧縮性気体を送入し、前述ばね
圧に打勝ってシール体を回転部に押圧するようにした。In other words, the seal body that directly presses the rotating part is made of a rigid body such as synthetic resin, and this seal body normally feeds compressible gas into the rubber tube installed on the back of the rotating body, and counteracts the spring pressure mentioned above. The seal body was pressed against the rotating part.
シール体を剛体としそれ自体を変形させないので、シー
ル体を押圧するゴム製のチューブ寸法を含めてもシール
体取付けのためのスペースは小さくなる。Since the seal body is a rigid body and does not deform itself, the space for mounting the seal body is small even including the size of the rubber tube that presses the seal body.
ｗｃ１図はこの発明の一実施例である封水装置の縦断面
図で、第２図における部品と同一の機能を有する部品に
は同一の符号を付す。この発明ではシール体２は合成樹
脂などの剛体で形成し小さくした。そして取付片４ａ、
４ｂとシール体２との間にばね３ａ、８ｂを挿入し、シ
ール体２を常に回転部１より遊離する方向にばね圧を与
えている。またシール体２の背面には断面形状が楕円形
なるリング状のチューブ７を設け、このチーーブ７に給
気管６を連通接続した。このような封水装置においては
シール体２は常時は、ばね７のばね圧で回転体１より図
示のように離れている。保守点検時には給気管６より圧
縮性気体を送入するとチューブ７は膨らまされ断面形状
が円形になろうとしてシール体２を背面から押し、シー
ル体２は回転部１を押圧して封水が行なわれる。Fig. wc1 is a longitudinal cross-sectional view of a water sealing device which is an embodiment of the present invention, and parts having the same functions as parts in Fig. 2 are given the same reference numerals. In this invention, the seal body 2 is made of a rigid body such as synthetic resin and is made small. And the mounting piece 4a,
Springs 3a and 8b are inserted between 4b and the seal body 2, and spring pressure is always applied in a direction to separate the seal body 2 from the rotating part 1. Further, a ring-shaped tube 7 having an elliptical cross section was provided on the back surface of the seal body 2, and an air supply pipe 6 was connected to the tube 7 in communication. In such a water sealing device, the sealing body 2 is normally separated from the rotating body 1 by the spring pressure of the spring 7 as shown in the figure. During maintenance and inspection, when compressible gas is introduced from the air supply pipe 6, the tube 7 is inflated and its cross-sectional shape becomes circular, pushing the seal body 2 from the back side, and the seal body 2 presses the rotating part 1 to seal the water. It will be done.
この発明では回転部を押圧するシール体を剛体とし、変
形させないので小さくでき、シール体を背面から押す作
用をするチューブの寸法を含めてもシール体取付はスペ
ースを小さくできる。In this invention, the seal body that presses the rotating part is made of a rigid body and is not deformed, so it can be made small, and the space for installing the seal body can be made small even including the dimensions of the tube that acts to press the seal body from the back.
第１図はこの発明の一実施例である封水装置の縦断面図
、第２図は従来の封水装置の縦断面図である。
ｌ：回転部、２：シール体、３二重足部、８ａ、３ｂ：
ばね。
第１図
第２図FIG. 1 is a longitudinal sectional view of a water sealing device according to an embodiment of the present invention, and FIG. 2 is a longitudinal sectional view of a conventional water sealing device. l: Rotating part, 2: Seal body, 3 double leg parts, 8a, 3b:
Spring. Figure 1 Figure 2
Claims (1)
られ保守点検時にのみ機能する封水装置であって、回転
部を直接押圧するシール体を合成樹脂などの剛体で形成
し、常時はこのシール体が回転部に接触しないように回
転部から離れる方向にばね圧により保持し、保守点検時
にはシール体の背面に設けたゴム製のチューブに圧縮性
気体を送入し、前記ばね圧に打勝ってシール体を回転部
に押圧して封水することを特徴とする水車回転部封水装
置。1) A water sealing device that is installed at a location where the rotating part of a water turbine passes through a fixed part and functions only during maintenance and inspection.The sealing body that directly presses the rotating part is made of a rigid body such as synthetic resin, and this device is not used at all times. The seal body is held by spring pressure in the direction away from the rotating part so that it does not come into contact with the rotating part, and during maintenance and inspection, compressible gas is fed into the rubber tube provided on the back of the seal body to counteract the spring pressure. A water turbine rotating part water sealing device characterized in that the sealing body is pressed against the rotating part to seal the water.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62286689A JPH01130064A (en) | 1987-11-13 | 1987-11-13 | Turbine rotary part sealing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62286689A JPH01130064A (en) | 1987-11-13 | 1987-11-13 | Turbine rotary part sealing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01130064A true JPH01130064A (en) | 1989-05-23 |
Family
ID=17707700
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP62286689A Pending JPH01130064A (en) | 1987-11-13 | 1987-11-13 | Turbine rotary part sealing device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01130064A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011508145A (en) * | 2007-12-28 | 2011-03-10 | アルストム イドロ フランス | HYDRAULIC DEVICE, ENERGY CONVERSION EQUIPMENT PROVIDED WITH THE DEVICE, AND METHOD FOR ADJUSTING THE DEVICE |
-
1987
- 1987-11-13 JP JP62286689A patent/JPH01130064A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011508145A (en) * | 2007-12-28 | 2011-03-10 | アルストム イドロ フランス | HYDRAULIC DEVICE, ENERGY CONVERSION EQUIPMENT PROVIDED WITH THE DEVICE, AND METHOD FOR ADJUSTING THE DEVICE |
| US8882445B2 (en) | 2007-12-28 | 2014-11-11 | Alstom Renewable Technologies | Hydraulic machine, an energy conversion installation including such a machine, and a method of adjusting such a machine |
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