CN113685361A - Submersible wet type full tubular pump without shaft structure - Google Patents
Submersible wet type full tubular pump without shaft structure Download PDFInfo
- Publication number
- CN113685361A CN113685361A CN202111098779.1A CN202111098779A CN113685361A CN 113685361 A CN113685361 A CN 113685361A CN 202111098779 A CN202111098779 A CN 202111098779A CN 113685361 A CN113685361 A CN 113685361A
- Authority
- CN
- China
- Prior art keywords
- guide vane
- vane body
- water suction
- suction chamber
- blade
- 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
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 48
- 238000004804 winding Methods 0.000 claims abstract description 5
- 238000010276 construction Methods 0.000 claims 1
- 230000003068 static effect Effects 0.000 abstract description 5
- 238000009434 installation Methods 0.000 abstract 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005674 electromagnetic induction Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Images
Classifications
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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
- F04D13/086—Units comprising pumps and their driving means the pump being electrically driven for submerged use the pump and drive motor are both submerged
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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
- F04D29/04—Shafts or bearings, or assemblies thereof
- F04D29/046—Bearings
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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
- F04D29/08—Sealings
- F04D29/086—Sealings especially adapted for liquid pumps
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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
- F04D29/18—Rotors
- F04D29/181—Axial flow rotors
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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
- F04D29/18—Rotors
- F04D29/186—Shaftless rotors
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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
- F04D29/54—Fluid-guiding means, e.g. diffusers
- F04D29/548—Specially adapted for liquid pumps
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention discloses a submersible wet type full-through-flow pump with a shaftless structure, wherein a motor cavity is arranged on the surface of a guide vane body and the outer surface of a water suction chamber, a rotor core is arranged between the guide vane body and the water suction chamber in the motor cavity, a stator core is arranged in the motor cavity outside the rotor core, windings are arranged in the motor cavity on two sides of the stator core, a hub is arranged between the water suction chamber and the middle position of the guide vane body, a plurality of blades are fixedly connected to the surface of the hub, the inner diameter of each blade is fixedly connected to the surface of the hub, the outer diameter of each blade is fixedly welded to the inner circle of the rotor core, bearings and mechanical seals are arranged between the inner walls of two ends of the hub and the water suction chamber and the guide vane body, and are arranged on the water suction chamber and the guide vane body. The invention reduces the influence of the inner diameter size of the blade on the bearing model selection, fully utilizes the special static structure of the shaft, removes the traditional motor shaft, arranges the bearing and the machine seal on the static water suction chamber and the guide blade body, has convenient installation, saves space and reduces the processing cost of the shaft.
Description
Technical Field
The invention relates to the technical field of submersible wet type full tubular electric pumps, in particular to a non-shaft structure submersible wet type full tubular pump with a diameter not more than 1 m.
Background
The inner diameter and the outer diameter of each submersible wet type full through-flow pump blade are determined by a flow lift, the type of the bearing is determined by water thrust, but the submersible wet type full through-flow pump blade is positioned on the outer side of a hub, the bearing is positioned on the inner side of the hub, the selection of the type of the bearing is not only influenced by the water thrust, but also influenced by the space limitation of the inner diameter (by the flow lift) of the blade, so that the bearing of the partial type of the small-caliber wet type full through-flow pump can not meet the required stress requirement, the service life of the bearing is shortened, and the bearing is easy to damage.
In the running process of the submersible wet type full tubular pump, a rotor core, an impeller and a bearing outer ring rotate, a water suction chamber, a guide vane body, a stator core, a base and a shaft are static, and the shaft does not need to transmit torque.
Disclosure of Invention
The invention aims to make up the defects of the prior art and provides a submersible wet type full-through-flow pump without a shaft structure.
The invention is realized by the following technical scheme:
the utility model provides a full tubular pump of dive wet-type of shaftless structure, is equipped with the guide vane body including the room that absorbs water, the guide vane surface is provided with same motor chamber with the room surface that absorbs water, motor intracavity portion is located the guide vane body and absorbs water and is provided with rotor core between the room, the rotor core outside is located the motor intracavity and is equipped with stator core, stator core both sides are located the inside winding that all is provided with of motor chamber, installs wheel hub between the middle part position of the room and the guide vane body that absorbs water wheel hub fixed surface is connected with a plurality of blade, and blade internal diameter fixed connection is on the wheel hub surface, and the circle is gone up in rotor core to blade external diameter welded fastening, wheel hub's both ends inner wall and the room that absorbs water and guide vane body between all be equipped with bearing and mechanical seal, bearing and mechanical seal install on the room and guide vane body that absorbs water.
The end of the guide blade body, which is far away from the water suction chamber, is provided with a horn mouth.
The guide vane bodies and the water suction chambers are symmetrically arranged around the rotor core.
The outer surfaces of the water suction chamber and the guide vane body are both provided with turning plates, the water suction chamber and the turning plates of the guide vane body are fixedly connected through a machine base, and a cavity between the machine base and the water suction chamber and the guide vane body is the motor cavity.
The invention has the advantages that: when the bearing of the submersible wet type full tubular pump is designed and selected, the influence of the inner diameter size of the blade on the bearing model selection is reduced, the special static structure of the shaft is fully utilized, the traditional motor shaft is removed, and the bearing and the mechanical seal are arranged on the static water suction chamber and the guide blade body.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Detailed Description
As shown in fig. 1, a submersible wet type full-through-flow pump without a shaft structure comprises a water suction chamber 1, a guide vane body 10 is arranged at one end of the water suction chamber 1, the surface of the guide vane body 10 and the outer surface of the water suction chamber 1 are provided with a same motor cavity 11, a rotor core 5 is arranged inside the motor cavity 11 and between the guide vane body 10 and the water suction chamber 1, a stator core 4 is arranged outside the rotor core 5 and inside the motor cavity 11, windings 3 are arranged on both sides of the stator core 4 and inside the motor cavity 11, a hub 7 is arranged between the water suction chamber 1 and the middle position of the guide vane body 10, a plurality of blades 6 are fixedly connected to the surface of the hub 7, the inner diameter of each blade 6 is fixedly connected to the surface of the hub 7, the outer diameter of each blade 6 is welded and fixed to the inner circle of the rotor core 5, and bearings 8 and mechanical seals 9 are arranged between the inner walls at both ends of the hub 7 and the water suction chamber 1 and the guide vane body 10, the bearing 8 and the mechanical seal 9 are arranged on the water suction chamber 1 and the guide vane body 10.
The end of the guide vane body 10, which is far away from the water suction chamber 1, is provided with a bell mouth.
The guide vane bodies 10 and the water suction chambers 1 are arranged symmetrically with respect to the rotor core 5.
The outer surfaces of the water suction chamber 1 and the guide vane body 10 are both provided with a turning plate 12, the water suction chamber 1 and the turning plate 12 of the guide vane body 10 are fixedly connected through a machine base 2, and a cavity between the machine base 2 and the water suction chamber 1 and the guide vane body 10 is the motor cavity 11.
The working principle of the invention is as follows: the stator winding coil is electrified to generate a rotating magnetic field, and the rotor core, the hub, the blades, the bearing outer ring and the mechanical seal moving ring are driven to rotate through electromagnetic induction; the water suction chamber, the guide vane body and the stator are still; water enters from the water suction chamber, passes through the hub and the blades and flows out of the guide vane body.
Claims (4)
1. The utility model provides a no axle construction's dive wet-type full tubular pump which characterized in that: including the room that absorbs water, be equipped with the guide vane body in the one end of the room that absorbs water, guide vane surface and the room surface that absorbs water are provided with same motor chamber, motor intracavity portion is located and is provided with rotor core between the guide vane body and the room that absorbs water, the rotor core outside is located the motor intracavity and is equipped with stator core, the stator core both sides are located the motor intracavity portion and all are provided with the winding, install wheel hub between the middle part position of the room and the guide vane body that absorbs water wheel hub fixed surface is connected with a plurality of blade, and blade internal diameter fixed connection is on the wheel hub surface, and the circle is in rotor core to blade external diameter welded fastening, wheel hub's both ends inner wall and the room that absorbs water and guide vane body between all be equipped with bearing and mechanical seal, bearing and mechanical seal install on room and the guide vane body that absorbs water.
2. The submersible wet type full tubular pump without a shaft structure as claimed in claim 1, wherein: the end of the guide blade body, which is far away from the water suction chamber, is provided with a horn mouth.
3. The submersible wet type full tubular pump without a shaft structure as claimed in claim 1, wherein: the guide vane bodies and the water suction chambers are symmetrically arranged around the rotor core.
4. The submersible wet type full tubular pump without a shaft structure as claimed in claim 1, wherein: the outer surfaces of the water suction chamber and the guide vane body are both provided with turning plates, the water suction chamber and the turning plates of the guide vane body are fixedly connected through a machine base, and a cavity between the machine base and the water suction chamber and the guide vane body is the motor cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111098779.1A CN113685361A (en) | 2021-09-18 | 2021-09-18 | Submersible wet type full tubular pump without shaft structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111098779.1A CN113685361A (en) | 2021-09-18 | 2021-09-18 | Submersible wet type full tubular pump without shaft structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113685361A true CN113685361A (en) | 2021-11-23 |
Family
ID=78586895
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111098779.1A Pending CN113685361A (en) | 2021-09-18 | 2021-09-18 | Submersible wet type full tubular pump without shaft structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113685361A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| JP2016044628A (en) * | 2014-08-25 | 2016-04-04 | 株式会社酉島製作所 | pump |
| CN207004711U (en) * | 2017-05-26 | 2018-02-13 | 西安理工大学 | It is a kind of that slurry tubular turbine is determined using non-axis transmission |
| CN212106347U (en) * | 2020-04-09 | 2020-12-08 | 合肥凯泉电机电泵有限公司 | Bearing lubricating structure based on submersible full-tubular pump |
| CN112253485A (en) * | 2020-11-04 | 2021-01-22 | 江苏国泉泵业制造有限公司 | Impeller cantilever type full-through-flow pump |
| CN212803623U (en) * | 2020-07-20 | 2021-03-26 | 蓝深集团股份有限公司 | Novel full-through-flow submersible electric pump |
| CN215908071U (en) * | 2021-09-18 | 2022-02-25 | 合肥凯泉电机电泵有限公司 | Submersible wet type full tubular pump without shaft structure |
-
2021
- 2021-09-18 CN CN202111098779.1A patent/CN113685361A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| JP2016044628A (en) * | 2014-08-25 | 2016-04-04 | 株式会社酉島製作所 | pump |
| CN207004711U (en) * | 2017-05-26 | 2018-02-13 | 西安理工大学 | It is a kind of that slurry tubular turbine is determined using non-axis transmission |
| CN212106347U (en) * | 2020-04-09 | 2020-12-08 | 合肥凯泉电机电泵有限公司 | Bearing lubricating structure based on submersible full-tubular pump |
| CN212803623U (en) * | 2020-07-20 | 2021-03-26 | 蓝深集团股份有限公司 | Novel full-through-flow submersible electric pump |
| CN112253485A (en) * | 2020-11-04 | 2021-01-22 | 江苏国泉泵业制造有限公司 | Impeller cantilever type full-through-flow pump |
| CN215908071U (en) * | 2021-09-18 | 2022-02-25 | 合肥凯泉电机电泵有限公司 | Submersible wet type full tubular pump without shaft structure |
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| PB01 | Publication | ||
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| SE01 | Entry into force of request for substantive examination |