CN108518346A - The multipurpose of electromechanical one pumps - Google Patents
The multipurpose of electromechanical one pumps Download PDFInfo
- Publication number
- CN108518346A CN108518346A CN201810141795.6A CN201810141795A CN108518346A CN 108518346 A CN108518346 A CN 108518346A CN 201810141795 A CN201810141795 A CN 201810141795A CN 108518346 A CN108518346 A CN 108518346A
- Authority
- CN
- China
- Prior art keywords
- impeller
- motor
- stator body
- electromechanical
- axis
- 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.)
- Pending
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
- F04D13/00—Pumping installations or systems
- F04D13/02—Units comprising pumps and their driving means
- F04D13/06—Units comprising pumps and their driving means the pump being electrically driven
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D13/00—Pumping installations or systems
- F04D13/02—Units comprising pumps and their driving means
- F04D13/06—Units comprising pumps and their driving means the pump being electrically driven
- F04D13/08—Units comprising pumps and their driving means the pump being electrically driven for submerged use
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- 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
- F04D29/40—Casings; Connections of working fluid
- F04D29/52—Casings; Connections of working fluid for axial pumps
- F04D29/528—Casings; Connections of working fluid for axial pumps especially adapted for liquid pumps
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/12—Casings or enclosures characterised by the shape, form or construction thereof specially adapted for operating in liquid or gas
- H02K5/132—Submersible electric motors
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K9/00—Arrangements for cooling or ventilating
- H02K9/19—Arrangements for cooling or ventilating for machines with closed casing and closed-circuit cooling using a liquid cooling medium, e.g. oil
- H02K9/197—Arrangements for cooling or ventilating for machines with closed casing and closed-circuit cooling using a liquid cooling medium, e.g. oil in which the rotor or stator space is fluid-tight, e.g. to provide for different cooling media for rotor and stator
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention discloses a kind of multipurpose of electromechanical one pumps, including outer housing, motor stator body, motor rotor, impeller, axis and parts of bearings, entrance and outlet section are respectively equipped with inlet and outlet, water stream channel is formed between water inlet and water outlet, outer housing, motor stator body, motor rotor, impeller, the concentric setting of axis, outer housing, motor stator body, motor rotor, the middle vertical plane of impeller and axis in the axial direction overlap.Rotor block directly transmits torque to impeller, and axis does not transmit torque.Meanwhile grease chamber, oil water probe, switch, twice mechanical seal and the automatic coupling device of traditional submersible pump are eliminated, and the shaft coupling and pedestal of dry pump are eliminated, it is simple and compact for structure；Motor stator body and motor rotor carry out special package, and reliability and security is high；Runner is through-type, and the efficiency of pump is relatively high.It can be used for multiple use, it is easy for installation.
Description
Technical field
The present invention relates to water pump field, pumped more particularly to a kind of multipurpose of electromechanical one.
Background technology
Traditional pump can only generally be used as a kind of purposes.
Traditional submersible pump only uses under water, and motor will not just generate heat, if as dry pump, motor is due to dissipating
Heat is bad to generate heat, and motor is burnt when serious.Traditional submersible pump vertical can only generally be installed, when horizontal installation, in grease chamber
Oil mechanical seal can be caused to dry grind, medium is caused to leak into motor cavity, so as to cause winding short circuit due to toppling.
Traditional dry pump can not under water be used since degree of protection is very low as immersible pump；Vertical pump and horizontal pump
Also due to stress and the unusual of bearing arrangement cannot arbitrarily change its mounting means.
Also, traditional submersible pump and dry pump has the following problems and defect：
1) reliability and security is low.
The motor of traditional submersible sewage pump is submersible motor, to depend on twice mechanical seal and grease chamber to be isolated with pumped (conveying) medium,
Mechanical seal cannot be guaranteed to be fully sealed, and always will produce leakage as time goes by, once leaking it is necessary to lean on oil water probe
And switch alarm, if the failure of the two elements will thoroughly burn motor, therefore reliability and security is low and pacifies
Full property is poor.
The axle envelope of traditional dry pump is packing seal or mechanical seal, and packing seal leakage rate is big, some media
Leakage can cause environmental pollution.Even if mechanical seal is also to have certain leakage rate, in sealing surface wear, leakage can be tighter
Weight.On the other hand, dry pump can also influence environment due to the use of standard electromotor, cooling fan noise and electromagnetic noise.
2) relatively inefficient.When medium flows through traditional submersible pump or dry pump, all exported from the entrance of pump, medium
Movement locus is actually one very long and parametric curve, and hydraulic loss is caused to increase, relatively inefficient.
3) complicated, volume is larger, and installation and maintenance is cumbersome.
Traditional submersible sewage pump include submersible motor, twice mechanical seal, sealing grease chamber, impeller, the spiral shape pump housing, pump shaft,
Oil water probe and switch etc..System complex, failsafe link are more.Since installation uses dedicated auto-coupled setting, safeguard many
It is inconvenient.
Traditional dry pump includes sealing, lubrication, shaft coupling, pedestal etc. parts, complicated, and it is inconvenient to safeguard, can
For multiple use.
Invention content
To solve the above-mentioned problems, the present invention provides a kind of multipurpose pump of electromechanical one, compact-sized, efficient, peace
It is complete reliable, it is easy to maintain.
The technical solution adopted in the present invention is：
A kind of multipurpose pump of electromechanical one, including outer housing, motor stator body, motor rotor, impeller, axis and bearing
Component, entrance and outlet section are respectively equipped with inlet and outlet, and water stream channel is formed between water inlet and water outlet, institute
State outer housing, motor stator body, motor rotor, impeller, the concentric setting of axis, the external circle of the motor stator and outer housing
Inner hole, the motor rotor are placed among the endoporus of motor stator body, and the outer circle and motor of the motor rotor are fixed
There are certain interval, the impellers to be fixed on the annular inner wall of motor rotor for the endoporus of daughter.
As a further improvement on the present invention, the outer housing, motor stator body, motor rotor, impeller and axis have
Common axis line, and middle vertical plane in the axial direction overlaps.
As a further improvement on the present invention, the outer housing, the rotor block directly transmit torque to impeller, and axis is simultaneously
Do not transmit torque.
As a further improvement on the present invention, the motor stator body and motor rotor are all made of nonmetallic or non-magnetic
High value metal material carries out special package.
As a further improvement on the present invention, the water stream channel is straight channel or substantially straight channel, impeller are located at water
In circulation road and the rotary shaft of impeller is parallel with water stream channel.
As a further improvement on the present invention, the multipurpose pump of the electromechanical one serves many purposes, and can be used as diving
Pump uses, and also can be used as dry pump use；It vertical can install, horizontal can also install；It can be used for general occasion, it can also be used to whether there is or not
Leak desired occasion.
The beneficial effects of the invention are as follows：
1) it can be used for more middle purposes.Immersible pump use is can be used as, dry pump use is also can be used as；It vertical can install, also may be used
Horizontal installation；It can be used for general occasion, it can also be used to have the occasion of No leakage requirement.
2) reliability and security is high.Since motor stator and rotor use the all-sealed structure of special package, absolutely
Edge is good, and degree of protection is high, while the structure and element for having security risk link is not present, thus reliability and security pole
It is high.
3) compact-sized, small, failure rate is low.Outer housing of the present invention, motor stator body, motor rotor, impeller and
The middle vertical plane in the axial direction of axis overlaps.Axis does not transmit torque, and torque is directly passed to impeller by motor rotor.Cancel
The grease chamber of traditional submersible pump, oil water probe, switch, twice mechanical seal and automatic coupling device.Meanwhile without
The packing seal of conventional dry pump or mechanical seal, shaft coupling, bearing bracket stand and pedestal etc., thus it is simple in structure, it is easy for installation.
4) efficiency is relatively high.The runner of the multipurpose pump of electromechanical one of the present invention is through-type, medium streamline
A near linear, in the runner of traditional immersible pump and dry pump, medium motion track be actually it is one very long and
Parametric curve, so in comparison, the efficiency of the multipurpose pump of electromechanical one of the present invention is relatively high..
Description of the drawings
The present invention is further described with embodiment below in conjunction with the accompanying drawings.
Fig. 1 is the structural schematic diagram of the present invention.
Specific implementation mode
The multipurpose of electromechanical one as shown in Figure 1 pumps, including outer housing 1, motor stator body 4, motor rotor 3, leaf
Wheel 2, axis 5 and parts of bearings 6, the lower end flanges 13 and upper flanges 14 being connected with outer housing 1 are respectively equipped with water inlet 11 and go out
The mouth of a river 12 forms water stream channel between water inlet 11 and water outlet 12.Outer housing 1, motor stator body 4, motor rotor 3,
Impeller 2,5 concentric setting of axis, the inner hole of motor stator body 4 outer circle and outer housing 1, it is fixed that motor rotor 3 is placed in motor
Among the endoporus of daughter 4.For the outer circle of motor rotor 3 with the endoporus of motor stator body 4 there are certain interval, which is motor
Gap.The impeller 2 is fixed on the annular inner wall of motor rotor 3, to which motor rotor 3 constitutes one with impeller 2
It is whole.
Axis 5 plays a part of to support impeller 2, and parts of bearings 6 is made of bearing body 8 and thrust disc 7, motor rotor 3, impeller
2, axis 5 and thrust disc 7 constitute rotor part, between rotor part is supported on two bearing bodies 6 by axis 5, outer housing 1, electricity
Machine stator body 4 and motor rotor 3 constitute motor.Outer housing 1, motor stator body 4, motor rotor 3, impeller 2 and axis 5 have
Common axis line, and middle vertical plane in the axial direction overlaps.
In the present invention, motor rotor 3 directly transmits torque to impeller 2, compact-sized, and axis 5 only serves bearing and steady
The effect of rotor, does not transmit torque, substantially reduces the diameter of axis 5 and impeller hub, and the reduction of wheel hub directly reduces
Stream loss.Simultaneously as it is compact-sized, significantly reduce floor space.
In the present invention, motor stator body 4 and motor rotor 3 be all made of nonmetallic or non-magnetic high value metal material into
Row special package thoroughly ensure that and be isolated with pumped (conveying) medium inside stator and rotor that the class of insulation of motor is H, degree of protection
Up to IP68.
It is further preferred that water stream channel is straight channel or substantially straight channel, impeller 2 is located at that water stream channel is interior and impeller
2 rotary shaft 5 is parallel with water stream channel.Since water stream channel is through-type, from the inlet to the outlet, medium streamline is one close
Like straight line, and path is shorter, so, efficiency is relatively high.
In the present invention, the multipurpose pump of electromechanical one can be used as dry pump use, you can horizontal installation can also install vertical
Installation.When installation, it need to only place it in pipeline between two flanges, be fastened with bolt, without pedestal, shaft coupling etc.,
It is simple and convenient；The multipurpose pump of electromechanical one can be used as immersible pump use, and water suction loudspeaker 15 are installed in lower end flanges 13, on
End flanges 14 are fixed on water outlet pipe flange, are not necessarily to pedestal or dedicated auto-coupled setting, easy for installation, easy to maintain.
The above is the preferred embodiment of the present invention, does not constitute limiting the scope of the invention.
Claims (6)
1. a kind of multipurpose pump of electromechanical one, including outer housing, motor stator body, motor rotor, impeller, axis and bearing portion
Part, entrance and outlet section are respectively equipped with inlet and outlet, and water stream channel is formed between water inlet and water outlet, special
Sign is：The outer housing, motor stator body, motor rotor, impeller, the concentric setting of axis, the motor stator are justified in vitro
With the inner hole of outer housing, the motor rotor is placed among the endoporus of motor stator body, outside the motor rotor
There are certain interval, the impeller is fixed on the annular inner wall of motor rotor the endoporus of circle and motor stator body.
2. the multipurpose of electromechanical one according to claim 1 pumps, it is characterised in that：The outer housing, motor stator body,
Motor rotor, impeller and axis have common axis line, and middle vertical plane in the axial direction overlaps.
3. the multipurpose of electromechanical one according to claim 1 pumps, it is characterised in that：The rotor block directly passes torque
Impeller is passed, axis does not transmit torque.
4. the multipurpose of electromechanical one according to claim 1 pumps, it is characterised in that：The motor stator body and motor turn
Daughter is all made of nonmetallic or non-magnetic high value metal material and carries out special package.
5. the multipurpose of electromechanical one according to claim 1 or 2 or 3 or 4 pumps, it is characterised in that：The water stream channel
For straight channel or substantially straight channel, impeller is located in water stream channel and the rotary shaft of impeller is parallel with water stream channel.
6. the multipurpose of electromechanical one according to claim 1 or 2 or 3 or 4 pumps, it is characterised in that：The electromechanical one
Multipurpose pump serve many purposes, can be used as immersible pump use, also can be used as dry pump use；It vertical can install, can also crouch
Formula is installed；It can be used for general occasion, it can also be used to have the occasion of No leakage requirement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810141795.6A CN108518346A (en) | 2018-02-11 | 2018-02-11 | The multipurpose of electromechanical one pumps |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810141795.6A CN108518346A (en) | 2018-02-11 | 2018-02-11 | The multipurpose of electromechanical one pumps |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108518346A true CN108518346A (en) | 2018-09-11 |
Family
ID=63433179
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810141795.6A Pending CN108518346A (en) | 2018-02-11 | 2018-02-11 | The multipurpose of electromechanical one pumps |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108518346A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109322832A (en) * | 2018-11-21 | 2019-02-12 | 兴城市水泵制造有限公司 | Multistage shaftless blade electric pump |
| CN109538497A (en) * | 2018-12-06 | 2019-03-29 | 合肥恒大江海泵业股份有限公司 | A kind of built-in submersed three-flow pump of dry stator impeller |
| CN110397602A (en) * | 2019-06-27 | 2019-11-01 | 中国船舶重工集团公司第七一九研究所 | A kind of integrated pipeline pump |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201521462U (en) * | 2009-11-13 | 2010-07-07 | 天津甘泉集团有限公司 | Novel full through-flow submersible pump |
| CN101787978A (en) * | 2009-11-13 | 2010-07-28 | 天津甘泉集团有限公司 | Novel fully-tubular electric submerged pump with shaft incapable of transferring torque |
| CN103452866A (en) * | 2013-09-17 | 2013-12-18 | 合肥恒大江海泵业股份有限公司 | Submersible axial-flow pump with inbuilt impeller |
-
2018
- 2018-02-11 CN CN201810141795.6A patent/CN108518346A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201521462U (en) * | 2009-11-13 | 2010-07-07 | 天津甘泉集团有限公司 | Novel full through-flow submersible pump |
| CN101787978A (en) * | 2009-11-13 | 2010-07-28 | 天津甘泉集团有限公司 | Novel fully-tubular electric submerged pump with shaft incapable of transferring torque |
| CN103452866A (en) * | 2013-09-17 | 2013-12-18 | 合肥恒大江海泵业股份有限公司 | Submersible axial-flow pump with inbuilt impeller |
Non-Patent Citations (1)
| Title |
|---|
| 丁浩: "《塑料工业实用手册》", 31 August 2000, 化学工业出版社 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109322832A (en) * | 2018-11-21 | 2019-02-12 | 兴城市水泵制造有限公司 | Multistage shaftless blade electric pump |
| CN109538497A (en) * | 2018-12-06 | 2019-03-29 | 合肥恒大江海泵业股份有限公司 | A kind of built-in submersed three-flow pump of dry stator impeller |
| CN109538497B (en) * | 2018-12-06 | 2021-04-13 | 合肥恒大江海泵业股份有限公司 | Submersible tubular pump with built-in dry stator impeller |
| CN110397602A (en) * | 2019-06-27 | 2019-11-01 | 中国船舶重工集团公司第七一九研究所 | A kind of integrated pipeline pump |
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180911 |