CN201212480Y - Vertical submersible pump without transmission shaft - Google Patents
Vertical submersible pump without transmission shaft Download PDFInfo
- Publication number
- CN201212480Y CN201212480Y CNU2008200238861U CN200820023886U CN201212480Y CN 201212480 Y CN201212480 Y CN 201212480Y CN U2008200238861 U CNU2008200238861 U CN U2008200238861U CN 200820023886 U CN200820023886 U CN 200820023886U CN 201212480 Y CN201212480 Y CN 201212480Y
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- China
- Prior art keywords
- pump
- impeller
- motor
- pump case
- electric machine
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- Expired - Fee Related
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Abstract
The utility model discloses a vertical submerged pump without a transmission shaft, which solves the problems of easy damage and lower reliability of parts of rubber bearings or rolling bearings, and the like of a YW type submerged pump, a JC type long shaft deep-well pump and an LC type long shaft pump and frequent maintenance of submersible machines matched with a QJ type diving pump, a QW type dredge pump and a ZQJ type diving pulp pump. The utility model provides the vertical submerged pump without a transmission shaft, which has the advantages of stable operation, low noise, long non-failure operation time, easy replacement for wearing parts, high efficiency, energy conservation and environmental protection, combined seal adoption, rinsing and sewage pumping adaption and hard solid particles media carrying, and the like. The vertical submerged pump without a transmission shaft comprises a pump shell, and the upper end of the pump shell is connected with a union pipe. A motor device which is connected with the upper part of the pump shell is arranged in the union pipe, and the lower end of the pump shell is connected with a suction pipe through a pumping chamber. The side face of the pump shell is a discharge pipe, and a motor shaft of the motor device penetrates the pump shell. The lower part of the end part of the 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 utility model relates to a kind of vertical centrifugal pump, relates 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:
The purpose of this utility model 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 utility model 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.
The utility model working principle: when liquid floods impeller, can open water pump, until liquid being evacuated to required liquid level.The utility model 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 beneficial effects of the utility model are: 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 utility model
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
Below in conjunction with accompanying drawing and embodiment the utility model is described further.
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 I7, and connecting tube I7 is connected with connecting tube II16, and connecting tube II16 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 utility modelly 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 domain of the present utility model.
Claims (9)
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.
2. vertical type drive axle-free submerged pump as claimed in claim 1 is characterized in that, 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.
3. vertical type drive axle-free submerged pump as claimed in claim 1 is characterized in that 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.
4. as claim 1 or 3 described vertical type drive axle-free submerged pumps, it is characterized in that described impeller unit comprises decompression impeller and the impeller that connects firmly with motor shaft, the impeller that wherein reduces pressure is installed between electric machine support and the dynamic seal body, decompression impeller bottom is an impeller, and impeller is installed in the motor shaft bottom.
5. vertical type drive axle-free submerged pump as claimed in claim 4 is characterized in that, described impeller is receded disk impeller or mixed-flow impeller.
6. vertical type drive axle-free submerged pump as claimed in claim 1, it is characterized in that, 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, the top of mechanical seal body is the machine sealed cover, and the mechanical seal body connects with the machine sealed cover by bolt.
7. vertical type drive axle-free submerged pump as claimed in claim 1 is characterized in that, inlet strainer is equipped with in described suction pipe bottom.
8. vertical type drive axle-free submerged pump as claimed in claim 1 is characterized in that, described pumping chamber exhaust port inserts in the discharge tube of pump case side.
9. vertical type drive axle-free submerged pump as claimed in claim 1 is characterized in that, 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 |
|---|---|---|---|
| CNU2008200238861U CN201212480Y (en) | 2008-06-16 | 2008-06-16 | Vertical submersible pump without transmission shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200238861U CN201212480Y (en) | 2008-06-16 | 2008-06-16 | Vertical submersible pump without transmission shaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201212480Y true CN201212480Y (en) | 2009-03-25 |
Family
ID=40496651
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200238861U Expired - Fee Related CN201212480Y (en) | 2008-06-16 | 2008-06-16 | Vertical submersible pump without transmission shaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201212480Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009146649A1 (en) * | 2008-06-03 | 2009-12-10 | Han Jie | A shielded suspension pump |
-
2008
- 2008-06-16 CN CNU2008200238861U patent/CN201212480Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009146649A1 (en) * | 2008-06-03 | 2009-12-10 | Han Jie | A shielded suspension pump |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090325 Termination date: 20110616 |