JPS63109024U - - Google Patents
Info
- Publication number
- JPS63109024U JPS63109024U JP1987000395U JP39587U JPS63109024U JP S63109024 U JPS63109024 U JP S63109024U JP 1987000395 U JP1987000395 U JP 1987000395U JP 39587 U JP39587 U JP 39587U JP S63109024 U JPS63109024 U JP S63109024U
- Authority
- JP
- Japan
- Prior art keywords
- bearing member
- side bearing
- fixed
- rotating
- hydraulic machine
- 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
- 239000000919 ceramic Substances 0.000 claims 3
- 230000008878 coupling Effects 0.000 claims 1
- 238000010168 coupling process Methods 0.000 claims 1
- 238000005859 coupling reaction Methods 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims 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
Landscapes
- Hydraulic Turbines (AREA)
- Sliding-Contact Bearings (AREA)
- Sealing Using Fluids, Sealing Without Contact, And Removal Of Oil (AREA)
Description
第１図は本考案による水力機械の水中軸受装置
の一実施例を示した縦断面図、第２図は回転側軸
受部材を構成するセグメントを示す斜視図、第３
図は主軸に固着された回転側軸受セグメントを一
部破断して示した断面図、第４図は固定側軸受セ
グメントを示した斜視図、第５図および第６図は
分割軸受支持台に取付けられた固定側軸受セグメ
ントを示した正面図と平面図、第７図と第８図は
それぞれ従来の水力機械の軸受装置を示した縦断
面図である。
８……主軸、１７……回転側軸受部材、１７ａ
……回転側軸受セグメント、１８……固定側軸受
部材、１８ａ……固定側軸受セグメント、１９…
…軸受支持台、２５……軸受部。
FIG. 1 is a longitudinal sectional view showing an embodiment of an underwater bearing device for a hydraulic machine according to the present invention, FIG. 2 is a perspective view showing segments constituting a rotating side bearing member, and FIG.
The figure is a partially cutaway cross-sectional view of the rotating side bearing segment fixed to the main shaft, Figure 4 is a perspective view of the stationary side bearing segment, and Figures 5 and 6 are attached to a split bearing support. FIGS. 7 and 8 are a front view and a plan view showing a fixed-side bearing segment, respectively, and a vertical cross-sectional view showing a conventional bearing device for a hydraulic machine. 8...Main shaft, 17...Rotating side bearing member, 17a
...Rotating side bearing segment, 18... Fixed side bearing member, 18a... Fixed side bearing segment, 19...
...bearing support stand, 25...bearing section.
Claims (1)
された円環状の回転側軸受部材と、この回転側軸
受部材を取囲むように固定部に固設された円環状
の固定側軸受部材とを具備し、上記回転側軸受部
材はセラミツクス製であり、上記固定側軸受部材
は上記回転側軸受部材のセラミツクスよりも機械
的強度が劣るセラミツクス又は超硬合金製であり
、上記固定側軸受部材の内周面には軸方向に互い
に離間した複数本の円環状軸受部が突設されラビ
リンスシールを形成するようにしたことを特徴と
する水力機械の水中軸受装置。 ２ 上記回転側軸受部材と上記固定側軸受部材は
、それぞれ円周方向に複数個に分割されたセグメ
ントから構成され、これらのセグメントの各々は
着脱可能であることを特徴とする実用新案登録請
求の範囲第１項に記載の水力機械の水中軸受装置
。 ３ 上記回転側軸受部材と固定側軸受部材は上記
主軸とランナとのカツプリング部に近接して配置
されていることを特徴とする実用新案登録請求の
範囲第２項に記載の水力機械の水中軸受装置。 ４ 上記固定側軸受部材は、上カバーの内周側リ
ングに固定された軸受支持台に固定され、この軸
受支持台は円周方向に複数個に分断されることを
特徴とする実用新案登録請求の範囲第２項に記載
の水力機械の水中軸受装置。[Scope of Claim for Utility Model Registration] 1. An annular rotating bearing member fixed to the main shaft of a hydraulic machine such as a water turbine or a pump-turbine, and a rotating bearing member fixed to a fixed part surrounding the rotating bearing member. an annular fixed side bearing member, the rotating side bearing member is made of ceramics, and the stationary side bearing member is made of ceramics or cemented carbide, which has lower mechanical strength than the ceramic of the rotating side bearing member. An underwater bearing device for a hydraulic machine, characterized in that a plurality of annular bearing portions spaced apart from each other in the axial direction project from the inner circumferential surface of the stationary side bearing member to form a labyrinth seal. 2. The above-mentioned rotating-side bearing member and the above-mentioned fixed-side bearing member each consist of a plurality of segments divided in the circumferential direction, and each of these segments is removable. An underwater bearing device for a hydraulic machine according to scope 1. 3. The underwater bearing for a hydraulic machine according to claim 2, wherein the rotating side bearing member and the stationary side bearing member are arranged close to a coupling portion between the main shaft and the runner. Device. 4. A utility model registration request characterized in that the fixed side bearing member is fixed to a bearing support stand fixed to the inner ring of the upper cover, and the bearing support stand is divided into a plurality of pieces in the circumferential direction. An underwater bearing device for a hydraulic machine according to item 2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987000395U JPS63109024U (en) | 1987-01-06 | 1987-01-06 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987000395U JPS63109024U (en) | 1987-01-06 | 1987-01-06 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63109024U true JPS63109024U (en) | 1988-07-13 |
Family
ID=30777329
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987000395U Pending JPS63109024U (en) | 1987-01-06 | 1987-01-06 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63109024U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2017535718A (en) * | 2014-11-19 | 2017-11-30 | ジョイント・ストック・カンパニー「エーケーエムイー エンジニアリング」 | Molten metal transfer pump |
-
1987
- 1987-01-06 JP JP1987000395U patent/JPS63109024U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2017535718A (en) * | 2014-11-19 | 2017-11-30 | ジョイント・ストック・カンパニー「エーケーエムイー エンジニアリング」 | Molten metal transfer pump |