SU979706A1 - Centrifugal pump - Google Patents
Centrifugal pump Download PDFInfo
- Publication number
- SU979706A1 SU979706A1 SU813285892A SU3285892A SU979706A1 SU 979706 A1 SU979706 A1 SU 979706A1 SU 813285892 A SU813285892 A SU 813285892A SU 3285892 A SU3285892 A SU 3285892A SU 979706 A1 SU979706 A1 SU 979706A1
- Authority
- SU
- USSR - Soviet Union
- Prior art keywords
- centrifugal pump
- sealing
- supports
- centrifugal
- bearing
- Prior art date
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/18—Rotors
- F04D29/22—Rotors specially for centrifugal pumps
- F04D29/2261—Rotors specially for centrifugal pumps with special measures
- F04D29/2266—Rotors specially for centrifugal pumps with special measures for sealing or thrust balance
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D1/00—Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps
- F04D1/006—Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps double suction pumps
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Description
(54) ЦЕНТРОБЕЖНЫЙ НАСОС(54) CENTRIFUGAL PUMP
1one
Изобретение относитс к гидромашиностроению и может быть использовано в центробежных насосах с рабочим колесом двухстороннего входа.The invention relates to hydraulic engineering and can be used in centrifugal pumps with double-sided impeller.
Известен центробежный насос, содержащий ротор с опорами и установленное в корпусе рабочее колесо двухстороннего входа с уплотнительными по сками на покрывных дисках, причем опоры имеют сдвоенные упорные подшипники, или радиальные подшипники скольжени с упорными подшипниками качени 1.A centrifugal pump is known, which contains a rotor with supports and an impeller of double-sided entry mounted in a housing with sealing sleeves on cover disks, the supports having dual thrust bearings, or radial sliding bearings with thrust rolling bearings 1.
Недостатком известного насоса вл етс сложность конструкции, обусловленна необходимостью использовани множества дорогосто щих подшипников вследствие неопределенности направлени осевой силы, возникающей в результате несимметричности расположени колеса /)тносительно отвода.A disadvantage of the known pump is the complexity of the design, due to the need to use a variety of expensive bearings due to the uncertainty of the direction of the axial force resulting from the asymmetry of the wheel arrangement relative to the retraction.
Цель изобретени - упрощение конструкции путем уменьшени количества подшипников.The purpose of the invention is to simplify the design by reducing the number of bearings.
Указанна цель достигаетс тем, что уплотнительные по ски выполнены разного диаметра.This goal is achieved by the fact that sealing seals are made of different diameters.
На чертеже изображен центробежный насос, разрез.The drawing shows a centrifugal pump, a slit.
Центробежный насос содержит ротор 1 с опорами 2 и 3 и установленное в корпусе рабочее колесо 4 двухстороннего входа с уплотнительными по сками 5 и 6 на покрывных дисках 7 и 8 и уплотнительные по ски 5 и 6 выполнены разного диаметра, причем диаметр D i уплотнительного по ска 5 выполнен больше диаметра Dj уплотни10 тельного по ска 6. Опора 2 имеет радиально-упорный подшипник 9 качени , а опора 3 - подшипник 10 скольжени .The centrifugal pump contains a rotor 1 with supports 2 and 3 and an impeller 4 installed in the housing of two-sided entry with sealing sections 5 and 6 on the covering disks 7 and 8 and sealing 5 and 6 are made of different diameters, and the diameter D i is sealing 5 is larger than the diameter Dj of the sealing ring 6. Bearing 2 has a angular contact ball bearing 9, and bearing 3 has a sliding bearing 10.
Устройство работает следующим образомThe device works as follows
Цри работе насоса возникает осева When the pump is in operation, an axial flow occurs.
15 сила, направленна в сторону уплотнительного по ска 5 с большим диаметром DI, и юспринимаетс опорой 2 с ее радиальноупорным подшипником 9.15 is a force directed towards the sealing lip 5 with a large diameter DI, and is supported by the support 2 with its radial-resistant bearing 9.
2020
Использование предлагаемого изобретени позволит упростить конструкцию установкой одного подшипника на каждой опоре и таким образом снизить себестоимость насоса.The use of the proposed invention will simplify the design by installing one bearing on each support and thus reducing the cost of the pump.
Claims (1)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SU813285892A SU979706A1 (en) | 1981-05-08 | 1981-05-08 | Centrifugal pump |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SU813285892A SU979706A1 (en) | 1981-05-08 | 1981-05-08 | Centrifugal pump |
Publications (1)
Publication Number | Publication Date |
---|---|
SU979706A1 true SU979706A1 (en) | 1982-12-07 |
Family
ID=20957155
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SU813285892A SU979706A1 (en) | 1981-05-08 | 1981-05-08 | Centrifugal pump |
Country Status (1)
Country | Link |
---|---|
SU (1) | SU979706A1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9377027B2 (en) | 2011-08-11 | 2016-06-28 | Itt Manufacturing Enterprises Llc. | Vertical double-suction pump having beneficial axial thrust |
-
1981
- 1981-05-08 SU SU813285892A patent/SU979706A1/en active
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9377027B2 (en) | 2011-08-11 | 2016-06-28 | Itt Manufacturing Enterprises Llc. | Vertical double-suction pump having beneficial axial thrust |
RU2600485C2 (en) * | 2011-08-11 | 2016-10-20 | АйТиТи Мэньюфэкчуринг Энтерпрайсиз ЭлЭлСи | Pump with suction wheel, creating axial pressure |
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