JPS61105793U - - Google Patents
Info
- Publication number
- JPS61105793U JPS61105793U JP19091384U JP19091384U JPS61105793U JP S61105793 U JPS61105793 U JP S61105793U JP 19091384 U JP19091384 U JP 19091384U JP 19091384 U JP19091384 U JP 19091384U JP S61105793 U JPS61105793 U JP S61105793U
- Authority
- JP
- Japan
- Prior art keywords
- pump
- main shaft
- vertical shaft
- thrust bearing
- pump main
- 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.)
- Granted
Links
- 229910010293 ceramic material Inorganic materials 0.000 claims 1
- 239000000463 material Substances 0.000 claims 1
Description
第１図は本考案の一実施例を示す立軸ポンプの
要部縦断面図、第２図は推力軸受摺動部材の平面
図、第３図は第１図の立軸ポンプの地上部分を示
す要部側面図、第４図及び第５図は従来の立軸ポ
ンプの側面図及び下部水中軸受部の断面図である
。
１……モータ、６……羽根車ケーシング、７…
…吸込ベル、９……ポンプ主軸、２１……羽根車
、２３……下部水中軸受ケース、２４……スパイ
ラル溝、２４ａ……中央凹部、２５……推力軸受
摺動部材。
Fig. 1 is a vertical cross-sectional view of the main part of a vertical shaft pump showing an embodiment of the present invention, Fig. 2 is a plan view of the thrust bearing sliding member, and Fig. 3 is a main part showing the above-ground portion of the vertical shaft pump of Fig. 1. 4 and 5 are a side view and a sectional view of a lower submersible bearing of a conventional vertical shaft pump. 1... Motor, 6... Impeller casing, 7...
... Suction bell, 9 ... Pump main shaft, 21 ... Impeller, 23 ... Lower underwater bearing case, 24 ... Spiral groove, 24a ... Central recess, 25 ... Thrust bearing sliding member.
Claims (1)
おいて、下部水中軸受ケース内に、ポンプ主軸の
下端面に対向して、ポンプ主軸の回転により動圧
効果を生じさせる方向にスパイラル溝を形成した
超硬材からなる水中スラスト軸受を設けたことを
特徴とする立軸ポンプ。 ２ 前記水中スラスト軸受を、セラミツクス材で
構成した実用新案登録請求の範囲第１項記載の立
軸ポンプ。[Scope of Claim for Utility Model Registration] 1. In a vertical shaft pump with an impeller attached to the pump main shaft, a direction in which a dynamic pressure effect is produced by rotation of the pump main shaft, in a lower submersible bearing case, facing the lower end surface of the pump main shaft. A vertical shaft pump characterized by being equipped with an underwater thrust bearing made of carbide material with a spiral groove formed therein. 2. The vertical shaft pump according to claim 1, wherein the underwater thrust bearing is made of ceramic material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1984190913U JPH0113840Y2 (en) | 1984-12-18 | 1984-12-18 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1984190913U JPH0113840Y2 (en) | 1984-12-18 | 1984-12-18 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS61105793U true JPS61105793U (en) | 1986-07-04 |
| JPH0113840Y2 JPH0113840Y2 (en) | 1989-04-24 |
Family
ID=30748369
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1984190913U Expired JPH0113840Y2 (en) | 1984-12-18 | 1984-12-18 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0113840Y2 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01313679A (en) * | 1988-06-10 | 1989-12-19 | Kayaba Ind Co Ltd | Bearing structure for piston pump |
| JP2007263124A (en) * | 2000-03-30 | 2007-10-11 | Ebara Corp | Pump |
| WO2011102558A1 (en) * | 2010-02-19 | 2011-08-25 | Ebara Corporation | Pad-type thrust bearing and submerged motor and submerged motor pump |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5434103U (en) * | 1977-08-11 | 1979-03-06 | ||
| JPS57163722A (en) * | 1981-04-02 | 1982-10-08 | Toshiba Corp | Dynamic pressure type bearing equipment |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS53126454A (en) * | 1977-04-13 | 1978-11-04 | Hitachi Ltd | Thrust bearing device |
-
1984
- 1984-12-18 JP JP1984190913U patent/JPH0113840Y2/ja not_active Expired
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5434103U (en) * | 1977-08-11 | 1979-03-06 | ||
| JPS57163722A (en) * | 1981-04-02 | 1982-10-08 | Toshiba Corp | Dynamic pressure type bearing equipment |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01313679A (en) * | 1988-06-10 | 1989-12-19 | Kayaba Ind Co Ltd | Bearing structure for piston pump |
| JP2007263124A (en) * | 2000-03-30 | 2007-10-11 | Ebara Corp | Pump |
| JP4603021B2 (en) * | 2000-03-30 | 2010-12-22 | 株式会社荏原製作所 | pump |
| WO2011102558A1 (en) * | 2010-02-19 | 2011-08-25 | Ebara Corporation | Pad-type thrust bearing and submerged motor and submerged motor pump |
| JP2011169424A (en) * | 2010-02-19 | 2011-09-01 | Ebara Corp | Pad type thrust bearing, submerged motor, and vertical submerged motor pump |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0113840Y2 (en) | 1989-04-24 |