JPH0314954U

JPH0314954U -

Info

Publication number: JPH0314954U
Application number: JP7339289U
Authority: JP
Priority date: 1989-06-22
Filing date: 1989-06-22
Publication date: 1991-02-14

Description

[Brief explanation of drawings]

第１図はこの考案の実施例による横軸水車発電
機の軸受冷却装置の断面図、第２図は第１図の軸
受冷却装置のスラストカラー部の詳細断面図、第
３図は第２図のＡ−Ａ断面図、第４図は第１図の
回転軸ヒートパイプの製作過程における洗浄液の
排出状態を示すスラストカラー部の拡大断面図、
第５図は従来例による横軸水車発電機の軸受冷却
装置の断面図、第６図は第５図の回転軸ヒートパ
イプの製作過程における洗浄状態を示す断面図、
第７図は第５図の回転軸ヒートパイプの製作過程
における洗浄液の排出状態を示す断面図である。１……ジヤーナル軸受、３……スラスト軸受、
４……回転軸、５……潤滑油、６……ランナー、
７……回転軸ヒートパイプ、８……蒸気空間、９
……スラストカラー中空穴、１０……スラストカ
ラー、１１……作動液、１４……連通穴、１５…
…傾斜穴、１６……洗浄液。 Fig. 1 is a sectional view of a bearing cooling device for a horizontal shaft water turbine generator according to an embodiment of this invention, Fig. 2 is a detailed sectional view of the thrust collar portion of the bearing cooling device of Fig. 4 is an enlarged sectional view of the thrust collar portion showing the discharge state of the cleaning liquid during the manufacturing process of the rotary shaft heat pipe of FIG. 1;
FIG. 5 is a sectional view of a bearing cooling device for a horizontal shaft water turbine generator according to a conventional example, and FIG. 6 is a sectional view showing a cleaning state in the manufacturing process of the rotary shaft heat pipe of FIG. 5.
FIG. 7 is a sectional view showing a state in which the cleaning liquid is discharged during the manufacturing process of the rotary shaft heat pipe shown in FIG. 1... Journal bearing, 3... Thrust bearing,
4... Rotating shaft, 5... Lubricating oil, 6... Runner,
7... Rotating shaft heat pipe, 8... Steam space, 9
... Thrust collar hollow hole, 10 ... Thrust collar, 11 ... Hydraulic fluid, 14 ... Communication hole, 15 ...
...Slanted hole, 16...Cleaning liquid.

Claims

[Scope of utility model registration request]

A rotating shaft directly connected to the runner is horizontally supported by a journal bearing and a thrust bearing outside the casing, the journal bearing and thrust bearing are used as a heat generating part on the outer periphery of the rotating shaft, and the runner side water passage part exposed to the waterway is a cooling part. In a bearing cooling device, a thrust collar of a horizontal shaft water turbine generator forming a rotating shaft heat pipe is provided with a thrust collar hollow hole that communicates with a steam space of a heat generating part of the rotating shaft heat pipe. 1. A bearing cooling device for a horizontal shaft water turbine generator, characterized in that the bearing cooling device for a horizontal shaft water turbine generator is provided with a plurality of inclined holes that diagonally communicate the heat pipe and the steam space of the heat generating section of the rotary shaft heat pipe in the direction of the cooling section.