JPS61160394U

JPS61160394U -

Info

Publication number: JPS61160394U
Application number: JP4474185U
Authority: JP
Priority date: 1985-03-26
Filing date: 1985-03-26
Publication date: 1986-10-04

Description

[Brief explanation of the drawing]

第１図は本考案の一実施例に係る軸受装置の縦
断面図、第２，３図は夫々潤滑油供給部材の正面
図及び底面図、第４，５図は夫々軸受装置の変形
例を示す縦断面図及び第２図の変形例を示す正面
図、第６図は従来の軸受装置の縦断面図である。１……回転軸、１ａ……小径部、２……回転軸
ケース、２ａ……潤滑油送り路、２ｂ，２ｃ……
排油路、３……ラジアル軸受、３ａ，６ｃ，７ｃ
……内輪、３ｂ……ころ、３ｃ，６ａ，７ａ……
外輪、４，４′……外リング、４ａ……段部、４
ｂ……切欠、４ｃ……潤滑油供給溝、４ｄ……連
通路、４ｅ……噴射口、４ｆ……排油穴、４′ｈ
……端面、４ｉ……切欠凹部、４ｊ……間隙、５
……内リング、６……第１アンギユラ玉軸受、７
……第２アンギユラ玉軸受、８，８′……潤滑油
供給部材、。 FIG. 1 is a longitudinal sectional view of a bearing device according to an embodiment of the present invention, FIGS. 2 and 3 are front and bottom views of a lubricating oil supply member, respectively, and FIGS. 4 and 5 are a modified example of the bearing device, respectively. FIG. 6 is a vertical cross-sectional view of a conventional bearing device. DESCRIPTION OF SYMBOLS 1... Rotating shaft, 1a... Small diameter part, 2... Rotating shaft case, 2a... Lubricating oil feed path, 2b, 2c...
Oil drain path, 3...Radial bearing, 3a, 6c, 7c
...Inner ring, 3b...Roll, 3c, 6a, 7a...
Outer ring, 4, 4'... Outer ring, 4a... Step part, 4
b...Notch, 4c...Lubricating oil supply groove, 4d...Communication path, 4e...Injection port, 4f...Drain hole, 4'h
... End face, 4i ... Notch recess, 4j ... Gap, 5
...Inner ring, 6...First angular ball bearing, 7
...Second angular ball bearing, 8, 8'...Lubricating oil supply member.

Claims

[Claims for Utility Model Registration] A horizontal rotating shaft 1 is supported by a bearing in the rotating shaft case 2, and ring-shaped lubricating oil supply members 8, 8' are fitted into the rotating shaft 1 adjacent to the bearing, and the above-mentioned rotation Fixed to the shaft case 2, the lubricating oil supply member 8,
In a rotating shaft bearing device in which lubricating oil is injected and supplied to the bearing from a lubricating oil supply nozzle 8', the lubricating oil supplying members 8, 8' have a lubricating oil recovery gap at the lower part of their inner peripheral surfaces. 4b, 4j, and oil drain passages 4f, 4i that communicate the gaps 4b, 4j with the outside of the lubricating oil supply member.