CN102678581A - Multistage submerged pump - Google Patents
Multistage submerged pump Download PDFInfo
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- CN102678581A CN102678581A CN2012101751988A CN201210175198A CN102678581A CN 102678581 A CN102678581 A CN 102678581A CN 2012101751988 A CN2012101751988 A CN 2012101751988A CN 201210175198 A CN201210175198 A CN 201210175198A CN 102678581 A CN102678581 A CN 102678581A
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- pump
- pump shaft
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- submerged pump
- connecting pipes
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Abstract
The invention discloses a multistage submerged pump which comprises a motor arranged on a motor base, a pump shaft, impellers, diversion casings, a base, a liquid draining section and connecting pipes, wherein the upper end of the pump shaft is connected with the motor; the impellers are arranged at the lower part of the pump shaft and synchronously rotate with the pump shaft; the diversion casings are arranged between two adjacent impellers to form chambers; the base is connected with the diversion casing positioned at the lowest part of the multistage submerged pump; the liquid draining section is provided with an inner cavity; and the connecting pipes by which the chambers are communicated with the inner cavity are connected between the diversion casing positioned at the highest part of the multistage submerged pump and the liquid draining section. When the multistage submerged pump works, a medium enters the chambers through the base and then gradually upwards enters the liquid draining section through the connecting pipes. Due to the adoption of a connecting pipe structure, a pump structure becomes simple, the work efficiency is increased, the cost of the pump is reduced and the service life of the pump is prolonged; when the submerged height is smaller, the connecting pipes are integrated; when the submerged height is greater, the connecting pipes are set into a plurality of pipe bodies which are connected; a bearing body is arranged between two adjacent pipe bodies; a bearing outer ring is sleeved in the bearing body and is matched with an inner ring on the pump shaft; and the radial run-out is reduced, and thus the stability and the reliability of the pump are improved.
Description
Technical field
the present invention relates to a kind of multi-level submerged pump.
Background technique
so-called Under Water Pumps just is immersed in the medium bottom of pump; In existing multi-level submerged pump structure, base be influent base also be effluent seat, usually at pipeline of water outlet seated connection to liquid level top; Such structure and shape is bigger; The method that adopts the accumulation blower inlet casing is also arranged in addition and reach height under the corresponding liquid, be unfavorable for the raising of working efficiency like this, the cost of pump also sharply rises; And the also corresponding increase of cumulative error, thereby have a strong impact on the quality and the working life of pump.
Summary of the invention
in order to address the above problem, the object of the present invention is to provide a kind of multi-level submerged pump.
are in order to reach above purpose; The technological scheme that the present invention adopts is: a kind of multi-level submerged pump; It comprises the motor that is arranged on the motor cabinet, pump shaft that the upper end is connected with motor, be arranged at pump shaft bottom and the impeller that rotates synchronously with pump shaft, be arranged between adjacent two impellers and form the blower inlet casing of chamber, the base that is connected with blower inlet casing below being positioned at, the fluid section with inner chamber, between the blower inlet casing of the top and fluid section, is connected with the connecting leg that makes chamber and intracavity inter-connection.Multi-level submerged pump is in when work, and motor, motor cabinet and fluid section are positioned on the liquid level of liquid, and all the other are immersed in the liquid, and first the impeller that also can guarantee the bottom is immersed in the liquid and gets final product.Described above-below direction is according to the state habitual definition of multi-level submerged pump when the proper functioning.
preferably; Connecting leg comprises some bodys that are connected, and is connected with bearing support between two adjacent bodys, and the bearing support internal fixation is socketed with a bearing outer ring; Fixed cover is connected to an inner ring on the pump shaft, and this inner ring is socketed in the bearing outer ring rotationally.The material of bearing outer ring adopts cemented carbide.
more preferably have a plurality of adjacent two through holes that body is connected that make on the bearing support.
more preferably are connected through worm structure respectively between adjacent two bodys and the bearing support.
further; The upper end of connecting leg is fixedly connected with upper junction plate; The lower end of connecting leg is fixedly connected with lower connecting plate, and upper junction plate is connected through seam with the fluid section, lower connecting plate with between the blower inlet casing of the top, be connected through seam.
further are connected through seam between the adjacent blower inlet casing and form chamber.
Owing to adopted technique scheme, a kind of multi-level submerged pump of the present invention has the following advantages:
Medium upwards gets into the fluid section through connecting leg after getting into chamber through base step by step during
work, and this connecting leg structure makes pump structure simple, has improved working efficiency, has reduced the cost of pump, has prolonged the working life of pump; When liquid down height hour, connecting leg is an one, when liquid when height is big down; Connecting leg is set to a plurality of bodys that are connected; Be provided with bearing support between two adjacent bodys, bearing outer ring is fixed in the bearing support, and inner ring is fixed on the pump shaft and is mated; Can reduce circular runout, improve the stability and the reliability of pump.
Description of drawings
accompanying drawing 1 is the complete section organigram of a kind of multi-level submerged pump of the present invention.
Label is among the figure:
1, motor cabinet; 2, pump shaft; 3, fluid section; 31, inner chamber; 4, upper junction plate; 5, connecting leg; 51, body; 52, bearing support; 53, bearing outer ring; 54, inner ring; 6, lower connecting plate; 7, blower inlet casing; 71, chamber; 8, base.
Embodiment
Set forth preferred embodiment of the present invention below in conjunction with accompanying drawing in detail
, thereby so that advantage of the present invention and characteristic can be easier to it will be appreciated by those skilled in the art that protection scope of the present invention is made more explicit defining.
can be found out from the structural representation of accompanying drawing 1; The invention provides a kind of multi-level submerged pump; It comprises the motor that is arranged on the motor cabinet 1, pump shaft 2 that the upper end is connected with motor output shaft, be arranged at pump shaft 2 bottoms and the impellers that rotate synchronously with pump shaft 2, be arranged between adjacent two impellers and form chamber 71 blower inlet casing 7, be positioned at the base 8 that the blower inlet casing 7 of below is connected, fluid section 3 with inner chamber 31, between the blower inlet casing 7 of the top and fluid section 3, be connected with the connecting leg 5 that chamber 71 and inner chamber 31 are connected.Be connected through seam between the adjacent blower inlet casing 7 and form chamber 71.
multi-level submerged pump is in when work, and motor, motor cabinet 1 and fluid section 3 are positioned on the liquid level of liquid, and all the other can all be immersed in the liquid, and first the impeller that also can guarantee foot is immersed in the liquid and gets final product.
connecting leg 5 comprises some bodys that are connected 51, is connected with bearing support 52 between two adjacent bodys 51, is connected through worm structure respectively between adjacent two bodys 51 and the bearing support 52.Be pressed into cemented carbide bearing outer ring 53 in the bearing support 52, the outer ring cooperates with inner ring 54 on being fixed on pump shaft 2.Have a plurality of adjacent two through holes that body 51 is connected that make on the bearing support 52.
The upper end of
connecting leg 5 is fixedly connected with upper junction plate 4; The lower end of connecting leg 5 is fixedly connected with lower connecting plate 6; Upper junction plate 4 and fluid section 3 are connected through seam, lower connecting plate 6 with between the blower inlet casing 7 of the top, be connected through seam.
when liquid down height hour, connecting leg 5 is structure as a whole, when liquid when height is big down; Connecting leg 5 is set to a plurality of bodys that are connected 51; Be provided with bearing support 52 between two adjacent bodys 51, can increase work efficiency like this, the cemented carbide bearing outer ring 53 in the bearing support 52 matches with the inner ring 54 on being fixed on pump shaft 2; Reduce circular runout, improve the stability and the reliability of pump.
During
pump work, liquid medium upwards gets into fluid section 3 through connecting leg 5 after getting into chamber 71 through base 8 step by step, and this connecting leg structure makes pump structure simple, has improved working efficiency, has reduced the cost of pump, has prolonged the working life of pump.
above mode of execution only is explanation technical conceive of the present invention and characteristics; Its purpose is to let the people that is familiar with this technology understand content of the present invention and implements; Can not limit protection scope of the present invention with this; All equivalences that spirit is done according to the present invention change or modify, and all should be encompassed in protection scope of the present invention.
Claims (6)
1. multi-level submerged pump; It is characterized in that: it comprises the motor that is arranged on the motor cabinet (1), pump shaft (2) that the upper end is connected with said motor, be arranged at said pump shaft (2) bottom and the impeller that rotates synchronously with pump shaft (2), be arranged between adjacent two impellers and form the blower inlet casing (7) of chamber (71), the base (8) that is connected with blower inlet casing (7) below being positioned at, the fluid section (3) with inner chamber (31), is connected with the connecting leg (5) that said chamber (71) and inner chamber (31) are connected between the said blower inlet casing (7) that is positioned at the top and the fluid section (3).
2. a kind of multi-level submerged pump according to claim 1; It is characterized in that: described connecting leg (5) comprises some bodys that are connected (51); Be connected with bearing support (52) between adjacent two said bodys (51); Be socketed with a bearing outer ring (53) in the described bearing support (52), be socketed with an inner ring (54) on the said pump shaft (2), this inner ring (54) is socketed in the bearing outer ring (53) rotationally.
3. a kind of multi-level submerged pump according to claim 2 is characterized in that: have a plurality of through holes that adjacent two said bodys (51) are connected on the described bearing support (5).
4. a kind of multi-level submerged pump according to claim 2 is characterized in that: be connected through worm structure respectively between described adjacent two bodys (51) and the bearing support (52).
5. a kind of multi-level submerged pump according to claim 1; It is characterized in that: the upper end of said connecting leg (5) is fixedly connected with upper junction plate (4); The lower end of connecting leg (5) is fixedly connected with lower connecting plate (6); Said upper junction plate (4) is connected through seam with fluid section (3), is connected through seam between said lower connecting plate (6) and the blower inlet casing that is positioned at the top (7).
6. a kind of multi-level submerged pump according to claim 1 is characterized in that: be connected through seam between the adjacent said blower inlet casing (7) and form chamber (71).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101751988A CN102678581A (en) | 2012-05-31 | 2012-05-31 | Multistage submerged pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101751988A CN102678581A (en) | 2012-05-31 | 2012-05-31 | Multistage submerged pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102678581A true CN102678581A (en) | 2012-09-19 |
Family
ID=46810982
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012101751988A Pending CN102678581A (en) | 2012-05-31 | 2012-05-31 | Multistage submerged pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102678581A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1056736A (en) * | 1990-05-18 | 1991-12-04 | 元玉石 | Long-life diving (oil) electric centrifugal pump |
| CN2171704Y (en) * | 1993-08-02 | 1994-07-13 | 刘晓平 | Axial-flow hydraulic pump |
| CN2340954Y (en) * | 1998-04-28 | 1999-09-29 | 大连深蓝泵业有限公司 | Underwater pump with long shaft |
| CN2775360Y (en) * | 2005-03-09 | 2006-04-26 | 大连四方佳特流体设备有限公司 | Support type submerged pump |
| CN101504007A (en) * | 2009-03-09 | 2009-08-12 | 浙江大学 | Submerged pump employing rotor cage type intermediate elastic support |
| CN201599246U (en) * | 2009-12-18 | 2010-10-06 | 大耐泵业有限公司 | Large-flow long-shaft submerged pump |
| CN202250927U (en) * | 2011-10-24 | 2012-05-30 | 刘竹旺 | Submerged pump with sealing protecting tube |
| CN202468355U (en) * | 2012-03-23 | 2012-10-03 | 新界泵业集团股份有限公司 | Electric submersible pump |
| CN202628543U (en) * | 2012-05-31 | 2012-12-26 | 张家港市恩达泵业有限公司 | Multi-stage submerged pump |
-
2012
- 2012-05-31 CN CN2012101751988A patent/CN102678581A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1056736A (en) * | 1990-05-18 | 1991-12-04 | 元玉石 | Long-life diving (oil) electric centrifugal pump |
| CN2171704Y (en) * | 1993-08-02 | 1994-07-13 | 刘晓平 | Axial-flow hydraulic pump |
| CN2340954Y (en) * | 1998-04-28 | 1999-09-29 | 大连深蓝泵业有限公司 | Underwater pump with long shaft |
| CN2775360Y (en) * | 2005-03-09 | 2006-04-26 | 大连四方佳特流体设备有限公司 | Support type submerged pump |
| CN101504007A (en) * | 2009-03-09 | 2009-08-12 | 浙江大学 | Submerged pump employing rotor cage type intermediate elastic support |
| CN201599246U (en) * | 2009-12-18 | 2010-10-06 | 大耐泵业有限公司 | Large-flow long-shaft submerged pump |
| CN202250927U (en) * | 2011-10-24 | 2012-05-30 | 刘竹旺 | Submerged pump with sealing protecting tube |
| CN202468355U (en) * | 2012-03-23 | 2012-10-03 | 新界泵业集团股份有限公司 | Electric submersible pump |
| CN202628543U (en) * | 2012-05-31 | 2012-12-26 | 张家港市恩达泵业有限公司 | Multi-stage submerged pump |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20120919 |