CN101290012B - Vertical type drive axle-free submerged pump - Google Patents
Vertical type drive axle-free submerged pump Download PDFInfo
- Publication number
- CN101290012B CN101290012B CN200810016788XA CN200810016788A CN101290012B CN 101290012 B CN101290012 B CN 101290012B CN 200810016788X A CN200810016788X A CN 200810016788XA CN 200810016788 A CN200810016788 A CN 200810016788A CN 101290012 B CN101290012 B CN 101290012B
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- pump
- impeller
- motor
- pump case
- electric machine
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Abstract
The invention discloses a vertical submerged pump without a transmission axle, solving the problems of easy damage and low reliability of parts of rubber bearings or rolling bearings and so on of the prior YW-type submerged pump, the JC-type long-spindle deep well pump and the LC-type long shaft pump, and the problems of frequent repairs of submerged motors which are matched with the prior QJ-type submersible pump, and the QW-type submersible sewage pump and the ZQJ-type submersible slurry pump. The invention provides a vertical submerged pump without a transmission axle, having the advantages of stable operation, low noise, fault-free operation for a long time, convenient replacement to vulnerable parts, high efficiency, energy conservation, environmental protection and sealing combination, and being appropriate for pumping clear water, sewage and mediums with hard solid particles. The structure of the vertical submerged pump without the transmission axle is characterized in that: the vertical submerged pump without the transmission axle comprises a pump shell; the upper end of the pump shell is connected with a connecting pipe, the inside of which is provided with a motor device connected with an upper part of the pump shell; the lower end of the pump shell is connected with an suction pipe through a pumping chamber; the side of the pump shell is provided with a discharge pipe; a motor of the motor device is inserted in the pump shell; the lower part of the end part of a motor shaft is provided with an impeller device; and a sealing device is arranged between the motor and the pump shell.
Description
Technical field:
The present invention relates to a kind of vertical centrifugal pump, relate in particular to a kind of vertical type drive axle-free submerged pump.
Background technique:
It is fragile to be used for component such as the rubber bush bearing of Under Water Pumps, borehole shaft drivenpump, major axis pump of industries such as environmental protection, chemical industry, electric power, metallurgy, mine, oil, weaving, papermaking, pharmacy, light industry or rolling bearing at present, and maintenance is complicated, engineering time is long, cost is high; The submersible motor of submersible pump, submerged pump, diving slag stock pump institute adapted is owing to be immersed in the liquid of solid particle for a long time, and reliability is not high, and maintenance is frequent.
Summary of the invention:
Purpose of the present invention be exactly fragile for component such as rubber bush bearing that solves present YW type Under Water Pumps, JC type borehole shaft drivenpump, LC type major axis pump or rolling bearings, reliability is not high; The problems such as the frequent maintenance of submersible motor of QJ type submersible pump, QW type submerged pump, ZQJ type diving slag stock pump institute adapted, provide a kind of have operate steadily, noise is low, Mean time to failure is long, being convenient to installation and maintenance, easily damaged parts is convenient to change, efficient height, energy-conserving and environment-protective, adopt combination seal, the suitable vertical type drive axle-free submerged pump of pumping clear water, sewage and having advantage such as hard solid particle medium.
For achieving the above object, the present invention adopts following technological scheme:
A kind of vertical type drive axle-free submerged pump, it comprises pump case, the pump case upper end is connected with the connecting tube device, be provided with the electric machine that is connected with pump case top in the connecting tube device, the pump case lower end is connected with suction pipe by pumping chamber, and the pump case side is a discharge tube, and the motor shaft of described electric machine penetrates pump case, the bottom, end of motor shaft is provided with impeller unit, is provided with seal arrangement between motor and pump case.
Described connecting tube device comprises the connecting tube I that is connected with pump case, and connecting tube I top is connected with connecting tube II, and connecting tube II is fixed on the level basis.
Described electric machine comprises the electric machine support that is installed in pump case top, and motor is installed on the electric machine support; Between pump case upper end and electric machine support the dynamic seal body that connects firmly is arranged, the O RunddichtringO is equipped with in dynamic seal body bottom, and cooperates with pumping chamber.
Described impeller unit comprises decompression impeller and the impeller that connects firmly with motor shaft, and the impeller that wherein reduces pressure is installed between electric machine support and the dynamic seal body, and decompression impeller bottom is an impeller, and impeller is installed in the motor shaft bottom.
Described impeller is receded disk impeller or mixed-flow impeller.
Described seal arrangement comprises and is arranged on the mechanical seal body that pump case upper end and electric machine support connect firmly, mechanical seal is equipped with at the middle part of mechanical seal body, inside is filled with machine oil, and the top of mechanical seal body is the machine sealed cover, and the mechanical seal body connects with the machine sealed cover by bolt.
Inlet strainer is equipped with in described suction pipe bottom.
Described pumping chamber exhaust port inserts in the discharge tube of pump case side.
Described motor is dry type motor or submersible motor, and the motor cooling can be adopted air cooling or liquid cooling.
Working principle of the present invention: when liquid floods impeller, can open water pump, until liquid being evacuated to required liquid level.The present invention adopts vertical structure, and motor adopts the extension shaft structure, utilizes the decompression impeller, adds mechanical seal structure and carries out combination seal, as long as liquid-immersed impeller can be opened water pump, at any time until liquid being evacuated to required liquid level.
The invention has the beneficial effects as follows: novel structure, installation, use, easy to maintenance; Adopt vertical structure, stable, vibrate little, noise is low; As long as liquid floods impeller and can open water pump, until liquid being evacuated to required liquid level.Motor can adopt common y series motor or submersible motor.When adopting submersible motor, dry-running for a long time; Mean time to failure is long, the reliability height.
Description of drawings
Fig. 1 is a structural representation of the present invention
Wherein: 1, inlet strainer 2, suction pipe 3, pumping chamber 4, pump case 5, dynamic seal body 6, electric machine support 7, connecting tube I 8, motor 9, discharge tube 10, impeller 11, motor shaft 12, decompression impeller 13, mechanical seal 14, mechanical seal body 15, machine sealed cover 16, connecting tube II.
Embodiment
The present invention will be further described below in conjunction with accompanying drawing and embodiment.
Among Fig. 1, the bottom of pump case 4 is connected with suction pipe 2 by pumping chamber 3, and suction pipe 2 is connected with inlet strainer 1, prevents to suck excessive particle damage equipment.The side of pump case 4 is connected with discharge tube 9.Top at pump case 4 also is provided with connecting tube I 7, and connecting tube I 7 is connected with connecting tube II 16, and connecting tube II 16 is fixed on the level basis.Motor 8 is installed in the connecting tube I7, and is installed in the top of pump case 4 by electric machine support 6.6 of pump case 4 upper ends and electric machine supports have the dynamic seal body 5 that connects firmly, and the O RunddichtringO is equipped with in dynamic seal body 5 bottoms, and cooperate with pumping chamber 3.Pumping chamber 3 exhaust ports insert in the discharge tube 9 of pump case 4 sides.Motor 8 is dry type motor or submersible motor, and the motor cooling can be adopted air cooling or liquid cooling.
At the mechanical seal body 14 that pump case 4 upper ends and electric machine support 6 connect firmly, mechanical seal 13 is equipped with at the middle part of mechanical seal body 14, and inside is filled with machine oil, and the top of mechanical seal body 14 is machine sealed cover 15, and mechanical seal body 14 connects with machine sealed cover 15 by bolt.
Of the present inventionly comprise that scope comprises but do not limit and the foregoing description, the technological scheme of any drive axle-free vertical submerged pump does not all exceed protection scope of the present invention.
Claims (1)
1. vertical type drive axle-free submerged pump, it comprises pump case, the pump case upper end is connected with the connecting tube device, be provided with the electric machine that is connected with pump case top in the connecting tube device, the pump case lower end is connected with suction pipe by pumping chamber, and the pump case side is a discharge tube, it is characterized in that, the motor shaft of described electric machine penetrates pump case, and the bottom, end of motor shaft is provided with impeller unit, is provided with seal arrangement between motor and pump case; Described connecting tube device comprises the connecting tube I that is connected with pump case, and connecting tube I top is connected with connecting tube II, and connecting tube II is fixed on the level basis; Described electric machine comprises the electric machine support that is installed in pump case top, and motor is installed on the electric machine support; Between pump case upper end and electric machine support the dynamic seal body that connects firmly is arranged, the O RunddichtringO is equipped with in dynamic seal body bottom, and cooperates with pumping chamber; Described impeller unit comprises decompression impeller and the impeller that connects firmly with motor shaft, and the impeller that wherein reduces pressure is installed between electric machine support and the dynamic seal body, and decompression impeller bottom is an impeller, and impeller is installed in the motor shaft bottom; Described seal arrangement comprises and is arranged on the mechanical seal body that pump case upper end and electric machine support connect firmly, mechanical seal is equipped with at the middle part of mechanical seal body, inside is filled with machine oil, and the top of mechanical seal body is the machine sealed cover, and the mechanical seal body connects with the machine sealed cover by bolt; Described impeller is receded disk impeller or mixed-flow impeller; Inlet strainer is equipped with in described suction pipe bottom; Described pumping chamber exhaust port inserts in the discharge tube of pump case side; Described motor is dry type motor or submersible motor, and the motor cooling can be adopted air cooling or liquid cooling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810016788XA CN101290012B (en) | 2008-06-16 | 2008-06-16 | Vertical type drive axle-free submerged pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810016788XA CN101290012B (en) | 2008-06-16 | 2008-06-16 | Vertical type drive axle-free submerged pump |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101290012A CN101290012A (en) | 2008-10-22 |
| CN101290012B true CN101290012B (en) | 2011-05-25 |
Family
ID=40034423
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200810016788XA Expired - Fee Related CN101290012B (en) | 2008-06-16 | 2008-06-16 | Vertical type drive axle-free submerged pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101290012B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201202656Y (en) * | 2008-06-03 | 2009-03-04 | 沈阳耐蚀合金泵股份有限公司 | Shield overhanging type pump |
| CN101592155B (en) * | 2009-06-29 | 2010-12-01 | 镇江正汉泵业有限公司 | Small-flow high-delivery-lift submerged multi-stage centrifugal pump |
-
2008
- 2008-06-16 CN CN200810016788XA patent/CN101290012B/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN101290012A (en) | 2008-10-22 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C53 | Correction of patent for invention or patent application | ||
| CB03 | Change of inventor or designer information |
Inventor after: Ma Shengzhong Inventor after: Li Ruibo Inventor after: Xie Jinglei Inventor before: Sheng Peizhan Inventor before: Song Guangxin Inventor before: Wang Shouli Inventor before: Xie Jinglei Inventor before: Li Ruibo Inventor before: Li Xuezhong Inventor before: Zheng Xiaoping |
|
| COR | Change of bibliographic data |
Free format text: CORRECT: INVENTOR; FROM: SHENG PEIZHAN SONG GUANGXIN WANG SHOULI XIE JINGLEI LI RUIBO LI XUEZHONG ZHENG XIAOPING TO: MA SHENGZHONG LI RUIBO XIE JINGLEI |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110525 Termination date: 20140616 |
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| EXPY | Termination of patent right or utility model |