JPS6092781U

JPS6092781U - Skrill pump

Info

Publication number: JPS6092781U
Application number: JP18508783U
Authority: JP
Inventors: 塩田　国男
Original assignee: 川崎重工業株式会社
Priority date: 1983-11-30
Filing date: 1983-11-30
Publication date: 1985-06-25
Also published as: JPS6215502Y2

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of drawings]

第１図は先行技術の断面図、第２図は本考案の一実施例
の断面図、第３図は第２図示の切断面線■−■から見た
断面図、第４図は第２図示の切断面線ＩＶ−ＩＶから見
た断面図、第５図は球面すべり軸受１９付近の第４図示
の切断面線■−■から見た断面図、第６図は球面すべり
軸受１９の断面図、第７図は球面ブツシュ２８の正面図
、第８図は球面ブツシュ２８の内周面２８ｂの周方向展
開図、第９図は第２シール手段５５付近の拡大断面図、
第１０図は上部軸受１２の断面図、第１１図は本考案の
他の実施例の断面図である。１０・・・フライト、１１・・・上部ポンプ軸、１２・
・・上部軸受、１５・・・トラフ、１７・・・下部ポン
プ軸、１９・・・球面すべり軸受、２３・・・軸受台、
２６・・・ブツシュ受金、２８・・・球面ブツシュ、３
１−’内カバー、４４，８１，８２・・・排油タンク、
５０・・・第１シール手段、５１・・・外カバー、５５
・・・第２シール手段、５８．５９・・・シール部材、
６７・・・排油室。第２図 −ｍ　　　　　＋ｃ（、ヵ（０＝　”　”　（’４４ｗ＼ｊ第７図４ｄ７６／／／ｌFig. 1 is a sectional view of the prior art, Fig. 2 is a sectional view of an embodiment of the present invention, Fig. 3 is a sectional view taken from the section line ■-■ shown in Fig. 2, and Fig. 4 is a sectional view of the 5 is a cross-sectional view taken from section line IV--IV shown in the figure, FIG. 5 is a cross-sectional view taken from section line ■--■ shown in FIG. 7 is a front view of the spherical bushing 28, FIG. 8 is a developed view in the circumferential direction of the inner circumferential surface 28b of the spherical bushing 28, and FIG. 9 is an enlarged sectional view of the vicinity of the second sealing means 55.
FIG. 10 is a sectional view of the upper bearing 12, and FIG. 11 is a sectional view of another embodiment of the present invention. 10...Flight, 11...Upper pump shaft, 12.
... Upper bearing, 15 ... Trough, 17 ... Lower pump shaft, 19 ... Spherical slide bearing, 23 ... Bearing stand,
26... Bush receiver, 28... Spherical bush, 3
1-' inner cover, 44, 81, 82...drain oil tank,
50... First sealing means, 51... Outer cover, 55
... second sealing means, 58.59 ... sealing member,
67...Drain room. Fig. 2 - m + c ( , ka ( 0 = ” ” ('44 w \j Fig. 7 4d76///l

Claims

[Scope of utility model registration request]

Thrust force and radial force are received by the bearing supporting the upper pump shaft protruding from the upper end of the pump body, and radial force is received by the spherical plain bearing supporting the lower pump shaft protruding from the lower end of the flight. , first and second sealing means are provided in this order above the spherical plain bearing, and the second sealing means includes a plurality of annular seal members that contact the outer peripheral surface of the lower pump shaft and are spaced apart in the axial direction of the lower pump shaft. 1. A screw pump characterized in that an oil drain chamber is formed between the first and second sealing means, and the oil drain chamber is connected to an oil drain tank via a conduit.