CN219888285U - Submersible wet full-through pump with blade adjustable structure - Google Patents
Submersible wet full-through pump with blade adjustable structure Download PDFInfo
- Publication number
- CN219888285U CN219888285U CN202321094449.XU CN202321094449U CN219888285U CN 219888285 U CN219888285 U CN 219888285U CN 202321094449 U CN202321094449 U CN 202321094449U CN 219888285 U CN219888285 U CN 219888285U
- Authority
- CN
- China
- Prior art keywords
- impeller
- blade
- wet
- submersible
- rotor
- 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.)
- Active
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 21
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 15
- 238000007789 sealing Methods 0.000 claims description 12
- 238000003825 pressing Methods 0.000 claims description 6
- 239000004677 Nylon Substances 0.000 claims description 3
- 229920001778 nylon Polymers 0.000 claims description 3
- 238000009434 installation Methods 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 238000005520 cutting process Methods 0.000 abstract description 3
- 230000007812 deficiency Effects 0.000 abstract description 3
- 238000005452 bending Methods 0.000 abstract description 2
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Landscapes
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model discloses a submersible wet full-through pump with a blade adjustable structure, which comprises a water suction chamber, an impeller rotor assembly, a stator core of a wet submersible motor, a guide vane body and a shaft. The motor shaft does not transmit torque, only bending moment is needed to be considered in design, the motor shaft can be made into a short-thick structure, and the first critical rotating speed can achieve 200% of rated rotating speed; the blades of the utility model are mechanically connected with the impeller cylinder body and the rotating hub, so that torque can be transmitted, and the adjustment of the impeller angle can be realized; the utility model has the characteristics of compact integral structure, high stability, convenient installation, manufacturing time saving and the like, creatively makes the blades of the wet full-through-flow pump into an adjustable form, and can adjust the required angle according to different flow rates and lifts by users, thereby avoiding the intensity deficiency caused by impeller cutting. The impeller rotor adopts an assembly structure, and when the impeller rotor is seriously damaged, parts can be replaced according to the damage condition of specific parts, so that the impeller rotor has extremely high interchangeability.
Description
Technical Field
The utility model relates to the technical field of submersible electric pumps, in particular to a submersible wet full-through pump with a blade adjustable structure.
Background
At present, the submersible wet full-through pump is characterized in that an impeller of a water pump is directly welded inside a rotor, and the weight of the whole rotor is supported by blades. The structure requires high processing precision and poor vibration resistance, and deformation can be generated when the blades are welded, so that the outer diameter of the rotor core is not concentric with the inner diameter of the rotating hub, and finally, the mechanical noise and vibration of the impeller rotor are large under the condition of high-speed rotation.
The blade angle adjustment of the full-through-flow pump is a problem that is difficult to solve, in order to ensure that the blade can transmit enough torque and support the whole rotor structure, the blade is always welded on the motor rotor directly, but the working point of the pump is not at the design point after the test, such as the water pump, the angle of the impeller is difficult to adjust, and the blade can only be cut off and welded again. However, this directly causes the rotor core to deform and the impeller working surface to be damaged.
After a plurality of times of operation, such as after mechanical failure of an impeller rotor, a common full-through-flow pump comprises the following components: when cavitation occurs on the blades and the corrosion of the rotor core is serious, the whole impeller rotor can be replaced, the installation is extremely inconvenient, the interchangeability is not very high, and the great waste is caused.
Disclosure of Invention
The utility model aims to overcome the defects of the prior art and provides a submersible wet full-through pump with a blade-adjustable structure.
The utility model is realized by the following technical scheme:
a submersible wet full-through pump with a blade adjustable structure comprises a water suction chamber, an impeller rotor assembly, a wet submersible motor stator core, a guide vane body and a shaft; the impeller rotor assembly is supported on the shaft through a bearing, two ends of the shaft are respectively fixed on the guide vane body and the water suction chamber, the outer surface of the guide vane body and the outer surface of the water suction chamber are provided with the same motor cavity, the impeller rotor assembly is arranged between the guide vane body and the water suction chamber in the motor cavity, the wet submersible motor stator core is arranged outside the impeller rotor assembly in the motor cavity, and the nylon water-resistant coil is arranged outside the wet submersible motor stator core in the motor cavity; the impeller rotor assembly comprises an impeller cylinder body, a rotor iron core, blades, a blade inner connecting plate, a blade outer connecting plate, a rotor iron core pressing ring and an impeller rotating hub, wherein the outer side of each blade is fixed on the impeller cylinder body through a first fastening screw and the blade outer connecting plate, the inner side of each blade is fixed on the impeller rotating hub through a second fastening screw and the blade inner connecting plate, the rotor iron core and the impeller cylinder body are positioned through a spigot and are pressed by the rotor iron core pressing ring, and the two ends of the rotor iron core are fastened by fastening screws.
The shaft is fixedly connected with the guide vane body through a flat key.
The bearing is characterized in that a bearing cover is arranged on the outer side of the bearing, an O-shaped sealing ring I is arranged on the outer side of the bearing cover, and mechanical seals are arranged at two ends of the shaft.
An O-shaped sealing ring II is arranged between the blade inner connecting plate and the impeller rotating hub, and a sealed space is formed by assembling the blade inner connecting plate, the impeller rotating hub, the O-shaped sealing ring I, the O-shaped sealing ring II, the bearing cover and the mechanical seal.
The inner and outer mounting bosses of the blade are of a coaxial structure.
The utility model has the advantages that: the motor shaft does not transmit torque, only bending moment is needed to be considered in design, the motor shaft can be made into a short-thick structure, and the first critical rotating speed can achieve 200% of rated rotating speed;
the blades of the utility model are mechanically connected with the impeller cylinder body and the rotating hub, so that torque can be transmitted, and the adjustment of the impeller angle can be realized;
the rotor core is positioned and installed on the impeller cylinder body through the spigot, so that the interchangeability of parts can be improved, and the manufacturing cost is saved;
the inner cavity of the impeller hub is used as a bearing chamber, so that the space is large enough, and the lubrication and heat dissipation of the bearing are facilitated;
the utility model has the characteristics of compact integral structure, high stability, convenient installation, manufacturing time saving and the like, creatively makes the blades of the wet full-through-flow pump into an adjustable form, and can adjust the required angle according to different flow rates and lifts by users, thereby avoiding the intensity deficiency caused by impeller cutting. The impeller rotor adopts an assembly structure, and when the impeller rotor is seriously damaged, parts can be replaced according to the damage condition of specific parts, so that the impeller rotor has extremely high interchangeability.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a plan view of an impeller rotor;
FIG. 3 is a perspective view of an impeller rotor;
FIG. 4 is a perspective view of an impeller assembly;
fig. 5 is a perspective view of a blade.
Detailed Description
As shown in fig. 1-4, a submersible wet full-through pump with a blade adjustable structure comprises a water suction chamber 1, an impeller rotor assembly 4, a wet submersible motor stator core 3, a guide vane body 5 and a shaft 11, wherein the impeller rotor assembly 4 is supported on the shaft 11 by means of bearings 10 arranged on two sides of an impeller hub 4f, two ends of the shaft 11 are respectively fixed on the guide vane body 5 and the water suction chamber 1, the shaft 11 and the guide vane body 5 are fixed through a flat key 8, and the structure is characterized in that the impeller rotor rotates and the shaft does not rotate; the two ends of the shaft 11 are respectively fixed on the guide vane body 5 and the water suction chamber 1, the outer surface of the guide vane body 5 and the outer surface of the water suction chamber 1 are provided with the same motor cavity, the impeller rotor assembly 4 is arranged between the guide vane body 5 and the water suction chamber 1 in the motor cavity, the wet submersible motor stator core 3 is arranged outside the impeller rotor assembly 4 in the motor cavity, and the nylon water-resistant coil 2 is arranged outside the wet submersible motor stator core 3 in the motor cavity; the impeller rotor assembly 4 comprises an impeller cylinder 4a, a rotor iron core 4d, blades 4j, a blade inner connecting plate 4h, a blade outer connecting plate 4e, a rotor iron core pressing ring 4g and an impeller rotating hub 4f, which are connected into an integrated structure through fasteners, wherein the outer side of each blade 4j is fixed on the impeller cylinder 4a through a first fastening screw 4c and the blade outer connecting plate 4e, the inner side of each blade 4j is fixed on the impeller rotating hub 4f through a second fastening screw 4k and the blade inner connecting plate 4h, the rotor iron core 4d and the impeller cylinder 4a are positioned through a spigot and are pressed by the rotor iron core pressing ring 4g, and the two ends of the rotor iron core 4d are fastened through fastening screws so as to transmit rotation moment; the outside of the bearing 10 is provided with a bearing cover 7, the outside of the bearing cover 7 is provided with an O-shaped sealing ring I6, and two ends of the shaft 11 are also provided with mechanical seals 9. An O-shaped sealing ring II 4i is arranged between the blade inner connecting plate 4h and the impeller rotating hub 4f, and a sealed space is formed by assembling the blade inner connecting plate 4h, the impeller rotating hub 4f, the O-shaped sealing ring I6, the O-shaped sealing ring II 4i, the bearing cover 7 and the mechanical seal 9, so that bearing failure caused by external water flow entering is prevented; as shown in fig. 5, the inner and outer mounting bosses 4m of the blade 4j are coaxial, so that the blade 4j can adjust the angle, and after the angle is determined, fastening screws are respectively arranged on the junctions of the outer boss of the blade and the impeller cylinder 4a, and the inner boss of the blade and the impeller hub 4f, so that the blade is prevented from rotating, and the water conservancy performance is affected. The utility model has the characteristics of compact integral structure, high stability, convenient installation, manufacturing time saving and the like, creatively makes the blades of the wet full-through-flow pump into an adjustable form, and can adjust the required angle according to different flow rates and lifts by users, thereby avoiding the intensity deficiency caused by impeller cutting. Meanwhile, unlike the common impeller rotor of the full-through-flow pump, the impeller rotor adopts an assembly structure, and when the impeller rotor is seriously damaged, parts can be replaced according to the damage condition of specific parts, so that the impeller rotor has extremely high interchangeability. The inner circle of the impeller of the common full-through-flow pump is directly welded on the rotating hub, the outer circle of the impeller is welded on the impeller cylinder body, and the angle of the impeller cannot be adjusted and related parts cannot be replaced. At each fastening screw is provided a screw washer set 4b.
Claims (5)
1. The utility model provides a submersible wet-type full tubular pump of adjustable structure of blade which characterized in that: the wet submersible motor comprises a water suction chamber, an impeller rotor assembly, a wet submersible motor stator core, a guide vane body and a shaft; the impeller rotor assembly is supported on the shaft through a bearing, two ends of the shaft are respectively fixed on the guide vane body and the water suction chamber, the outer surface of the guide vane body and the outer surface of the water suction chamber are provided with the same motor cavity, the impeller rotor assembly is arranged between the guide vane body and the water suction chamber in the motor cavity, the wet submersible motor stator core is arranged outside the impeller rotor assembly in the motor cavity, and the nylon water-resistant coil is arranged outside the wet submersible motor stator core in the motor cavity; the impeller rotor assembly comprises an impeller cylinder body, a rotor iron core, blades, a blade inner connecting plate, a blade outer connecting plate, a rotor iron core pressing ring and an impeller rotating hub, wherein the outer side of each blade is fixed on the impeller cylinder body through a first fastening screw and the blade outer connecting plate, the inner side of each blade is fixed on the impeller rotating hub through a second fastening screw and the blade inner connecting plate, the rotor iron core and the impeller cylinder body are positioned through a spigot and are pressed by the rotor iron core pressing ring, and the two ends of the rotor iron core are fastened by fastening screws.
2. A submersible wet full flow pump with vane adjustable structure as claimed in claim 1, wherein: the shaft is fixedly connected with the guide vane body through a flat key.
3. A submersible wet full flow pump with vane adjustable structure as claimed in claim 1, wherein: the bearing is characterized in that a bearing cover is arranged on the outer side of the bearing, an O-shaped sealing ring I is arranged on the outer side of the bearing cover, and mechanical seals are arranged at two ends of the shaft.
4. A submersible wet full flow pump with vane adjustable structure as claimed in claim 3, wherein: an O-shaped sealing ring II is arranged between the blade inner connecting plate and the impeller rotating hub, and a sealed space is formed by assembling the blade inner connecting plate, the impeller rotating hub, the O-shaped sealing ring I, the O-shaped sealing ring II, the bearing cover and the mechanical seal.
5. A submersible wet full flow pump with vane adjustable structure as claimed in claim 1, wherein: the inner and outer mounting bosses of the blade are of a coaxial structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321094449.XU CN219888285U (en) | 2023-05-09 | 2023-05-09 | Submersible wet full-through pump with blade adjustable structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321094449.XU CN219888285U (en) | 2023-05-09 | 2023-05-09 | Submersible wet full-through pump with blade adjustable structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219888285U true CN219888285U (en) | 2023-10-24 |
Family
ID=88401696
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321094449.XU Active CN219888285U (en) | 2023-05-09 | 2023-05-09 | Submersible wet full-through pump with blade adjustable structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219888285U (en) |
-
2023
- 2023-05-09 CN CN202321094449.XU patent/CN219888285U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN219888285U (en) | Submersible wet full-through pump with blade adjustable structure | |
| CN201661483U (en) | Variable-frequency high-speed direct-drive liquid-cooling type magnetic pump | |
| CN203272159U (en) | Through-flow submersible electric pump | |
| CN201860197U (en) | Bearingless motor for sewing device | |
| CN204253379U (en) | The built-in submersible axial flow pump of a kind of both stage impellers | |
| CN212695783U (en) | Direct-drive motor for oxygenation and impeller type aerator with direct-drive motor | |
| CN210468983U (en) | Motor rotor convenient to lubricate | |
| CN211089342U (en) | High-efficient compact permanent-magnet machine and bearing box connection assembly | |
| CN208474135U (en) | Impeller built-in bearing formula one high-speed permanent magnetic centrifugal pump | |
| CN112502985A (en) | Combined low-cavitation multistage centrifugal pump | |
| CN111697780B (en) | Electromagnetic eddy current clutch fan | |
| CN2588090Y (en) | Forced circulation axial flow pump | |
| CN221800198U (en) | Fan subassembly and electric fan of electric fan | |
| CN218787189U (en) | Water pump heat radiation structure | |
| CN216436980U (en) | Unilateral fixed rotor structure | |
| CN221783922U (en) | Three-phase permanent magnet synchronous motor for electric screw press | |
| CN221628411U (en) | Impeller for widening high-efficiency area of fluid machinery | |
| CN218997788U (en) | Direct-drive permanent magnet motor | |
| CN210240068U (en) | Heat-insulation type explosion-proof high-pressure fan | |
| CN219081756U (en) | High-rotation-speed rotating wheel structure of water turbine | |
| CN220173047U (en) | Motor rotor end ring inner fan structure | |
| CN109861456B (en) | Gearless drum motor | |
| CN220849878U (en) | Horizontal water turbine | |
| CN218958669U (en) | High-temperature-resistant high-efficiency variable-frequency speed-regulating motor for fan | |
| CN216895418U (en) | Oil mist preventing device for externally-cooled bearing oil basin cover for hydropower station |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |