CN107687443A - A kind of immersible pump impeller assembly - Google Patents
A kind of immersible pump impeller assembly Download PDFInfo
- Publication number
- CN107687443A CN107687443A CN201610643316.1A CN201610643316A CN107687443A CN 107687443 A CN107687443 A CN 107687443A CN 201610643316 A CN201610643316 A CN 201610643316A CN 107687443 A CN107687443 A CN 107687443A
- Authority
- CN
- China
- Prior art keywords
- immersible pump
- impeller
- hub
- inlet casing
- blower inlet
- 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
- F04D29/00—Details, component parts, or accessories
- F04D29/18—Rotors
- F04D29/22—Rotors specially for centrifugal pumps
- F04D29/2261—Rotors specially for centrifugal pumps with special measures
- F04D29/2272—Rotors specially for centrifugal pumps with special measures for influencing flow or boundary layer
-
- 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
- F04D29/22—Rotors specially for centrifugal pumps
- F04D29/2261—Rotors specially for centrifugal pumps with special measures
- F04D29/2294—Rotors specially for centrifugal pumps with special measures for protection, e.g. against abrasion
-
- 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
- F04D29/22—Rotors specially for centrifugal pumps
- F04D29/24—Vanes
- F04D29/242—Geometry, shape
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Geometry (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The present invention provides a kind of immersible pump impeller assembly, wherein described immersible pump includes blower inlet casing with impeller assembly, impeller and kuppe, the blower inlet casing is arranged to hollow circular cylinder structure, impeller is arranged at the bottom of the inner chamber of blower inlet casing, impeller is arranged to by upper hub, lower hub and some blades composition, the lower surface of upper hub is arranged at intervals two annular grooves, two annular grooves are arranged to and upper hub coaxial line, and the lower surface of upper hub is arranged to coordinate with the internal surface gaps of the bottom surface of blower inlet casing, blade is along the circumferential direction uniformly arranged between hub and lower hub, some cutting grooves are also set up on blade, kuppe is arranged at the top of the inner chamber of blower inlet casing, and kuppe sets a central through hole, the blower inlet casing, the impeller is arranged to coaxial line with the kuppe.The present invention uses the impeller assembly, can ensure multilevel well immersible pump normal work, avoids the abrasion to rub to impeller so that impeller working stability.
Description
Technical field
The present invention relates to well diving pump technical field, more particularly to a kind of immersible pump impeller assembly.
Background technology
Well is with the visual plant that immersible pump is deep-well water lift, and whole unit pulls the plug work during use, underground water extraction
Get earth's surface.Well immersible pump has extensively in fields such as farmland discharging-irrigating, Running-water Company, geological prospecting, geothermal exploitation and oil fields
General application.In actual use due to being limited by hole diameter, the impeller diameter of well immersible pump is smaller, and single-stage lift is relatively low,
The impeller assembly for needing to cover more concatenates and forms multilevel well immersible pump together, and multi-stage superimposed meeting causes deviation accumulation, every grade of leaf
Wheel and the gap deficiency of blower inlet casing bottom surface, cause the work of frictional influence immersible pump.In addition, well is worked with immersible pump in water
When, impeller rotates at a high speed, and water pressure and running resistance can make it that damage in impeller is serious, and deformable blade even comes off.It is existing
In blade wheel structure, blade at work because agitation current and caused by flow separation it is larger, vortex it is more, cause the flowing of current
Lose it is larger, while current also can to bearing produce corrosion, so as to be unfavorable for the steady operation of impeller.
The content of the invention
It is a primary object of the present invention to solve problems of the prior art, there is provided one kind can ensure that multilevel well is used
Immersible pump normal work, while the abrasion to rub to impeller is avoided, so that the immersible pump impeller sets of impeller steady operation
Part.
In order to solve the above technical problems, the technical solution adopted by the present invention is:A kind of immersible pump impeller assembly, wherein institute
Stating immersible pump impeller assembly includes blower inlet casing, impeller and kuppe, and the blower inlet casing is arranged to hollow circular cylinder structure, described
Impeller is arranged at the bottom of the inner chamber of the blower inlet casing, and the impeller is arranged to be made up of upper hub, lower hub and some blades,
The lower surface of the upper hub is arranged at intervals two annular grooves, two annular groove be arranged to the upper hub coaxial line,
And the lower surface of the upper hub be arranged to the internal surface gaps of the bottom surface of the blower inlet casing coordinate, with avoid the impeller with
The blower inlet casing friction, influences the normal work of immersible pump, the blade be along the circumferential direction uniformly arranged on the upper hub with
Between the lower hub, some cutting grooves are also set up on the blade, the kuppe is arranged at the inner chamber of the blower inlet casing
Top, and the kuppe sets a central through hole, the blower inlet casing, the impeller and the kuppe are arranged to coaxial line.
Further, an axle sleeve is set on the axis of the impeller, and the inner chamber of the axle sleeve is arranged to cross section in just
Hexagon, and the axle sleeve is also configured to stretch out the outer surface of the lower hub.
Further, the upper hub sets water inlet around the sleeve end, and delivery port is set between the blade, and
The water inlet is arranged to be connected with the delivery port.
Further, the cross section of the annular groove is arranged to semicircular in shape.
Further, some cutting grooves be may be contained near the delivery port, and the cross section of the cutting groove is set
Be set to it is trapezoidal so that the delivery port nearby caused by vortex less vortex can be cut into by the cutting groove,
Ensure that current closer to preferable current, accelerate water velocity, realize the steady operation of immersible pump.
Further, the lower section of the lower hub sets a choma, and the periphery of the choma sets a stainless steel wear-resisting
Ring, to ensure that the choma when the impeller rotates at a high speed, is avoided and the kuppe by the stainless steel wear ring
Damaged caused by strong friction, extend the service life of the impeller.
Further, a flange is set in the stainless steel wear ring, and the flange is arranged to the end with the choma
Match.
Further, the structure setting of the central through hole is to be engaged with the axle sleeve.
The present invention has the advantages and positive effects of:Immersible pump impeller assembly provided by the invention, by impeller with
The gap of hub coordinates, and avoids friction from causing damage in impeller, influences the normal work of immersible pump;Between lower surface by upper hub
Every two annular grooves of setting so that form lasting water ring support when impeller rotates, in two annular grooves and live impeller, and make
It, which floats, rises, impeller caused by deviation accumulation and the deficiency in blower inlet casing bottom surface gap during avoiding impeller assembly multi-stage superimposed,
The distance being further ensured that between impeller and blower inlet casing bottom surface, maintain the work of immersible pump;By the cutting groove set on blade, make
Delivery port nearby caused by vortex can be cut groove and cut into less vortex, realize the steady operation of immersible pump;Pass through
The stainless steel wear ring of choma periphery, when ensureing that impeller revolves at a high speed, strong friction will not occur with kuppe for choma, so as to extend leaf
The service life of wheel, reduce production cost.
Brief description of the drawings
Fig. 1 is the schematic cross-sectional view of the present invention.
Fig. 2 is the structural representation of impeller wheel portion in Fig. 1.
In figure:10- blower inlet casings, 20- impellers, the upper hubs of 201-, hub under 202-, 203- blades, 204- annular grooves,
205- cutting grooves, 206- axle sleeves, 207- water inlets, 208- delivery ports, 209- chomas, 210- stainless steel wear rings, 211- flange,
30- kuppes, 301- central through holes.
Embodiment
In order to be better understood from the present invention, the present invention is further retouched with reference to specific embodiments and the drawings
State.
As depicted in figs. 1 and 2, a kind of immersible pump impeller assembly, including blower inlet casing 10, impeller 20 and kuppe 30, lead
Stream shell 10 is arranged to hollow circular cylinder structure, and impeller 20 is arranged at the bottom of the inner chamber of blower inlet casing 10, and impeller 20 is arranged to by upper
Hub 201, lower hub 202 and some blades 203 form, lower surface two annular grooves 204 of interval setting of upper hub 201, and two
Annular groove 204 be arranged to the upper coaxial line of hub 201, and the lower surface of upper hub 201 is arranged to the bottom surface with blower inlet casing 10
Internal surface gaps coordinate, to avoid impeller 20 from being rubbed with blower inlet casing 10, influence the normal work of immersible pump, blade 20 is circumferentially
Direction is uniformly arranged between hub 201 and lower hub 202, and some cutting grooves 205 are also set up on blade 20, and kuppe 30 is set
The top of the inner chamber of blower inlet casing 10 is placed in, and kuppe 30 sets a central through hole 301, blower inlet casing 10, impeller 20 and kuppe
30 are arranged to coaxial line.
One axle sleeve 206 is set on the axis of impeller 20, it is in regular hexagon that the inner chamber of axle sleeve 206, which is arranged to cross section, and
Axle sleeve 206 is also configured to stretch out the outer surface of lower hub 202.
Upper hub 201 surrounds the end set water inlet 207 of axle sleeve 206, and delivery port 208, and water inlet are set between blade 203
207 are arranged to be connected with delivery port 208.
The cross section of annular groove 204 is arranged to semicircular in shape.
Some cutting grooves 205 may be contained near delivery port 208, and the cross section of cutting groove 205 is arranged to trapezoidal, from
And vortex caused by causing delivery port 208 nearby can be cut groove 205 and cut into less vortex, ensure current closer to
Preferable current, accelerate water velocity, realize the steady operation of immersible pump.
The lower section of lower hub 202 sets a choma 209, and the periphery of choma 209 sets a stainless steel wear ring 210, with
Ensure that choma 209 when impeller 20 rotates at a high speed, avoids causing with the strong friction of kuppe 30 by stainless steel wear ring 210
Damage, extend impeller 20 service life.
One flange 211 is set in stainless steel wear ring 210, and flange 211 is arranged to match with the end of choma 209.
The structure setting of central through hole 301 is to be engaged with axle sleeve 206.
It is simple in construction using immersible pump impeller assembly provided by the invention, it can ensure that multilevel well immersible pump is normal
Work, while the abrasion to rub to impeller is avoided, so that impeller steady operation.When the novel impeller component concatenates work
When, the internal surface gaps of the lower surface of upper hub 201 and the bottom surface of blower inlet casing 10 coordinate, and impeller 20 rotates, and current are from water inlet
207 enter, and forming lasting water ring support in two annular grooves 204 lives impeller 20, and it is floated and rise, and avoids multi-stage superimposed
When impeller 20 caused by error accumulation and the bottom surface gap of blower inlet casing 10 deficiency, maintain the normal work of immersible pump, and blade 20
Upper some cutting grooves 205 near delivery port 208, caused vortex can be cut into less vortex, ensure current more
Close to preferable current, accelerate water velocity, realize the steady operation of immersible pump, while outside the lower section choma 209 of lower hub 202
The stainless steel wear ring 210 enclosed, then the strong friction with kuppe 30 is avoided, so as to extend the service life of impeller 20.
Embodiments of the invention are described in detail above, but the content is only presently preferred embodiments of the present invention,
It is not to be regarded as the practical range for limiting the present invention.All equivalent changes made according to the scope of the invention and improvement etc., all should
Still belong within this patent covering scope.
Claims (8)
- A kind of 1. immersible pump impeller assembly, it is characterised in that:The immersible pump impeller assembly includes blower inlet casing, impeller and led Stream cover, the blower inlet casing are arranged to hollow circular cylinder structure, and the impeller is arranged at the bottom of the inner chamber of the blower inlet casing, described Impeller is arranged to be made up of upper hub, lower hub and some blades, and the lower surface of the upper hub is arranged at intervals two annular grooves, Two annular groove be arranged to the upper hub coaxial line, and the lower surface of the upper hub is arranged to and the blower inlet casing The internal surface gaps of bottom surface coordinate, the blade be along the circumferential direction uniformly arranged on the upper hub and the lower hub it Between, some cutting grooves are also set up on the blade, the kuppe is arranged at the top of the inner chamber of the blower inlet casing, and described leads Stream cover sets a central through hole, and the blower inlet casing, the impeller and the kuppe are arranged to coaxial line.
- 2. immersible pump impeller assembly according to claim 1, it is characterised in that:One is set on the axis of the impeller Axle sleeve, it is in regular hexagon that the inner chamber of the axle sleeve, which is arranged to cross section, and the axle sleeve is also configured to stretch out the lower hub Outer surface.
- 3. immersible pump impeller assembly according to claim 1, it is characterised in that:The upper hub surrounds the sleeve end Portion sets water inlet, sets delivery port between the blade, and the water inlet is arranged to be connected with the delivery port.
- 4. immersible pump impeller assembly according to claim 1, it is characterised in that:The cross section of the annular groove is set For semicircular in shape.
- 5. the immersible pump impeller assembly according to claim 1 or 3, it is characterised in that:Some cutting grooves are respectively provided with Near the delivery port, and the cross section of the cutting groove is arranged to trapezoidal.
- 6. immersible pump impeller assembly according to claim 1, it is characterised in that:The lower section of the lower hub is set flatly Ring, and the periphery of the choma sets a stainless steel wear ring.
- 7. immersible pump impeller assembly according to claim 6, it is characterised in that:One is set in the stainless steel wear ring Flange, the flange are arranged to match with the end of the choma.
- 8. immersible pump impeller assembly according to claim 1 or 2, it is characterised in that:The structure of the central through hole is set It is set to and is engaged with the axle sleeve.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201610643316.1A CN107687443A (en) | 2016-08-05 | 2016-08-05 | A kind of immersible pump impeller assembly |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201610643316.1A CN107687443A (en) | 2016-08-05 | 2016-08-05 | A kind of immersible pump impeller assembly |
Publications (1)
Publication Number | Publication Date |
---|---|
CN107687443A true CN107687443A (en) | 2018-02-13 |
Family
ID=61152002
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201610643316.1A Pending CN107687443A (en) | 2016-08-05 | 2016-08-05 | A kind of immersible pump impeller assembly |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN107687443A (en) |
-
2016
- 2016-08-05 CN CN201610643316.1A patent/CN107687443A/en active Pending
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PB01 | Publication | ||
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Application publication date: 20180213 |