CN205677874U - A kind of well submersible pump impeller assembly - Google Patents
A kind of well submersible pump impeller assembly Download PDFInfo
- Publication number
- CN205677874U CN205677874U CN201620416364.2U CN201620416364U CN205677874U CN 205677874 U CN205677874 U CN 205677874U CN 201620416364 U CN201620416364 U CN 201620416364U CN 205677874 U CN205677874 U CN 205677874U
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- impeller
- blade
- stator
- submersible pump
- impeller assembly
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Abstract
This utility model relates to immersible pump technical field, it is specifically related to a kind of well submersible pump impeller assembly, including impeller and stator, described stator and impeller are coaxially disposed and are arranged on upper impeller, described impeller includes upper cover plate, lower cover and is evenly distributed on the blade of wheel cap surface in involute shape around wheel cap center, the tail end of described blade is the oblique angle matched with wheel cap edge, and the bottom of described lower cover is provided with at least one annular groove.This utility model uses and takes a design for shaped three dimensional blade wheel structure, the blade wheel structure of molding involute-type, and this impeller assembly, through practice test, improves current flow efficiency in passage, improves the work efficiency of immersible pump, saves the energy.
Description
Technical field
This utility model relates to immersible pump technical field, is specifically related to a kind of well submersible pump impeller assembly.
Background technology
Immersible pump is the visual plant of deep-well water lift, is mainly used in from the motor-pumped well of argillic horizon, Tu Jing or reservoir etc. water lift,
It is suitable for factory, mine or field irrigation.Immersible pump is internally installed blade wheel structure, for improving the hydraulic capacity of water pump, leaf
The quality of wheel construction water conservancy diversion has been largely fixed the height of immersible pump operational efficiency.
The blade wheel structure of existing well immersible pump as it is shown in figure 1, the flow direction of current as shown by arrows, water flows through suction chamber
By impeller and pumping chamber through Multi-stage transmission sucking-off, owing to impeller contacts with suction chamber bottom surface, the change of team of impeller cause impeller with
The friction of suction chamber blower inlet casing, therefore typically should adjust the axial gap of blade wheel structure, in order on the basis realizing impeller function
Upper reduction impeller and the friction of suction chamber blower inlet casing, but when blade wheel structure axial gap adjusts excessive, easily cause liquid to return
Stream；Axial gap adjusts too small, can cause the friction of impeller and blower inlet casing, consumes and increases, and power of motor increases severely, and this impeller is tied
Structure typically takes the method strengthening axial gap, at this moment cannot ensure that the flow of water pump and lift meet use requirement.Another
Aspect, by arrow in figure it can be seen that in immersible pump the direction of current be essentially vertical rising level and vertically rise,
Current so at a high speed are bigger to the impulsive force of impeller and blower inlet casing, make the power loss in current more, reduce latent
The efficiency of water pump.
Utility model content
The purpose of this utility model there are provided a kind of reduce damage in impeller, improve immersible pump efficiency well immersible pump
Impeller assembly.
Technical solution adopted in the utility model is: a kind of well submersible pump impeller assembly, including impeller and stator, institute
Stating stator and impeller and be coaxially disposed and be arranged on upper impeller, described impeller includes upper cover plate, lower cover and in involute-type shape
Be evenly distributed on the blade of wheel cap surface around upper cover plate center, the tail end of described blade is the oblique angle matched with wheel cap edge,
The bottom of described lower cover is provided with at least one annular groove, and selecting impeller bottom surface is X, Y plane, and impeller middle spindle alignment is
Z axis positive direction, the spatial form of each blade is limited by following coordinate: (a) initial position of vanes and end position are by following table
Limiting, its Leaf one end nearer around center is original position,
| Inside blade root | Inside blade tip | Outside blade root | Outside blade tip | |
| Original position | (13.77,49.63,0.05) | (16.92,56.95,12.8) | (20.84,47.1,0.05) | (24.45,54.15,12.8) |
| End position | (11.37,-12.74,24.05) | (24.03,-19.65,34.16) | (11.21,-13.35,23.34) | (23.98,-19.73,35.03) |
B the mid portion shape of () blade is limited by following table,
The shape of blade is piled up with the data point line of above table and is formed.
Described stator includes stator backboard and is arranged on around stator center equally distributed water conservancy diversion leaf above backboard, described
The tail end of water conservancy diversion leaf is the oblique angle matched with stator back plate edges, and selecting stator backboard is X, Y plane, and stator central axis is upwards
Z axis positive direction, the spatial form of blade is limited by following coordinate: (a) initial position of vanes is limited by following table with end position, its
Leaf one end nearer around center is original position,
| Inside blade root | Inside blade tip | Outside blade root | Outside blade tip | |
| Original position | (50,0,2) | (62.5,0,0) | (49.79,4.62,2) | (62.44,2.84,0) |
| End position | (6.36,17.08,37.6) | (11.18,30.49,44.91) | (4.31,17.81,37.43) | (10.23,30.87,44.81) |
B the mid portion shape of () guide vane is limited by following table,
The shape of blade is piled up with the data point line of above table and is formed.
Described water conservancy diversion leaf is 7.
The blade of described impeller is 5.
Being provided with the cone structure of through hole centered by described stator backboard, the inner side of described cone structure is fixedly installed and adds
Strong floor, described water conservancy diversion leaf is arranged on the outer surface of stator backboard.
The through hole being provided centrally with installation rotating shaft of stator, rotating shaft is provided with axle sleeve, and stator is arranged on by rubber sleeve
On axle sleeve.
Described impeller material is plastics PPO, described impeller single injection-molded.
The beneficial effects of the utility model are:
1, during impeller assembly of the present utility model work, current enter setting-out by turbine centrifugal effect directly with runner
Room runner then proceedes to flow to next stage, as shown by arrows in FIG., under the effect of impeller and stator, produces hardly in the middle of current
Raw impulsive force, decreases the loss that current cause because of impulsive force, with existing well immersible pump radial blade impeller, this practicality
Novel impeller assembly can reduce the impact loss of radial impeller runner to greatest extent, improves impeller adiabatic efficiency and lift, improves
The hydraulic performance of water pump, applies the work of the immersible pump of impeller assembly of the present utility model to imitate 3-higher than the efficiency of existing immersible pump
5%, efficiency curve is mild, and efficient region is broad, and working range increases 10-20%, and energy-saving effect is notable.
2, during impeller work, impeller rubs with suction chamber rustless steel bottom surface, almost without gap, decreases backflow of leaking
Loss；Cannelure 7 one aspect decreases the contact area of impeller and suction chamber, reduces the mill that friction when impeller rotates causes
Damage, on the other hand, be typically filled with moisture in cannelure, the most also can provide lubrication for the contact of impeller and suction chamber, reduce
Friction；
3, impeller material selection plastics PPO material single injection-molded, rigidity is big, wear-resisting, thermostability is high, pollution-free, weight
Amount is light, and surface smoothness is good, so that the loss of impeller significantly reduces.
4, applying this immersible pump under declared working condition, compared to existing immersible pump, can economize on electricity about 1Kw/h per hour；Electricity
The efficiency portion of machine is less than 82%.
Accompanying drawing explanation
Fig. 1 is the structural representation of existing immersible pump radial impeller；
Fig. 2 is the structural representation one of impeller；
Fig. 3 is impeller coordinate system structural representation；
Fig. 4 is the left side structure schematic diagram of Fig. 3；
Fig. 5 is the backsight structural representation of Fig. 3；
Fig. 6 is blade wheel structure schematic diagram two；
Fig. 7 is the structural representation one of stator；
Fig. 8 is the left side structure schematic diagram of Fig. 7；
Fig. 9 is the backsight structural representation of Fig. 7；
Figure 10 is the structural representation two of stator；
Figure 11 is the structural representation that impeller assembly of the present utility model is applied to immersible pump；
Figure 12 is the structural representation of cannelure；
Figure 13 is the actual results contrast figure of the immersible pump of impeller assembly of the present utility model.
In figure: 1, suction chamber, 2, impeller, 3, pumping chamber, 4, stator, 5, axle sleeve, 6, rubber sleeve, 7, cannelure, 21, upper cover
Plate, 22, lower cover, 23, blade, 24, initial position of vanes, 25, blade end position, 211, inside blade root, 212, leaf
Inside sheet blade tip, 213, outside blade tip, 214, outside blade root, 41, water conservancy diversion leaf, 42, stator backboard, 43, water conservancy diversion leaf
Original position, 44, water conservancy diversion leaf end position, 411, inside water conservancy diversion leaf blade root, 412, inside water conservancy diversion leaf blade tip, 413, water conservancy diversion leaf leaf
Outside point, 414, outside water conservancy diversion leaf blade root.
Detailed description of the invention
This utility model well embodiment one of submersible pump impeller assembly, as shown in Fig. 1～11, including impeller 2 and stator
4, stator 2 and impeller 4 are coaxially disposed and are arranged on upper impeller, and impeller 2 includes upper cover plate 21, lower cover 22 and in involute-type
Shape is evenly distributed on the blade 23 of wheel cap surface around upper cover plate 21 center, and the tail end of blade 23 is for match with upper cover plate 21 edge
Oblique angle, the bottom of lower cover 22 is provided with at least one annular groove, and selecting impeller bottom surface is X, Y plane, impeller central axis
Being upwards Z axis positive direction, the spatial form of each blade is limited by following coordinate: (a) initial position of vanes and end position
Being limited by table 1, its Leaf one end nearer around center is original position,
Table 1
| Inside blade root | Inside blade tip | Outside blade root | Outside blade tip | |
| Original position | (13.77,49.63,0.05) | (16.92,56.95,12.8) | (20.84,47.1,0.05) | (24.45,54.15,12.8) |
| End position | (11.37,-12.74,24.05) | (24.03,-19.65,34.16) | (11.21,-13.35,23.34) | (23.98,-19.73,35.03) |
B the mid portion shape of () blade is limited by table 2,
Table 2
The shape of blade is piled up with the data point line of above table and is formed.
As illustrated in figures 3-6, selected X/Y plane is the flat of the composition of impeller upper cover plate to the concrete forming process of the blade of impeller
Face, is upwards taken as Z axis at upper cover plate center, utilizes the above-mentioned coordinate points by above-mentioned Tables 1 and 2 to indicate, by the blade root of blade
Inner side, outside blade root and inside blade tip and outside blade tip respectively after smooth connection, can be formed smooth blade root medial and lateral and
The three-dimensional curve of blade tip medial and lateral, then connects the curve inside blade root and inside blade tip and forms the negative camber of blade, connect leaf
Curve outside root and outside blade tip forms the positive camber of blade, finally turning corresponding for inside and outside curved surface is utilized smoothed curve
Connect the 3D shape i.e. obtaining blade.
Stator 4 includes stator backboard 42 and is arranged on above stator backboard around stator center equally distributed water conservancy diversion leaf
41, the tail end of water conservancy diversion leaf 41 is the oblique angle matched with stator back plate edges, and selecting stator backboard is X, Y plane, stator central axis
Being upwards Z axis positive direction, the spatial form of blade is limited by following coordinate: (a) initial position of vanes is limited by table 3 with end position
Fixed, its Leaf one end nearer around center is original position,
Table 3
| Inside blade root | Inside blade tip | Outside blade root | Outside blade tip | |
| Original position | (50,0,2) | (62.5,0,0) | (49.79,4.62,2) | (62.44,2.84,0) |
| End position | (6.36,17.08,37.6) | (11.18,30.49,44.91) | (4.31,17.81,37.43) | (10.23,30.87,44.81) |
B the mid portion shape of () guide vane is limited by table 4,
Table 4
The shape of blade is piled up with the data point line of above table and is formed.
The concrete forming process of the water conservancy diversion leaf of stator is as shown in Fig. 7～10, and selected X/Y plane is the stator backboard of stator
The plane of composition, stator backboard center is upwards taken as Z axis, utilizes the above-mentioned coordinate points by above-mentioned table 3 and table 4 to indicate, will lead
After inside the blade root of stream leaf, outside blade root and inside blade tip and distinguishing smooth connection outside blade tip, smooth leaf can be formed
Root medial and lateral and the three-dimensional curve of blade tip medial and lateral, then connect the curve inside blade root and inside blade tip and form the interior of blade
Curved surface, connects the curve outside blade root and outside blade tip and forms the positive camber of blade, finally by turning corresponding for inside and outside curved surface
Smoothed curve is utilized to connect the 3D shape i.e. obtaining water conservancy diversion leaf.
Wherein, the blade of impeller is 5, and water conservancy diversion leaf is 7, is provided with the cone structure of through hole centered by stator backboard,
The inner side of described cone structure is fixedly installed deep floor, and water conservancy diversion leaf is arranged on the outer surface of stator backboard.
Described impeller material is plastics PPO, described impeller single injection-molded.
The impeller and the stator that utilize above-mentioned forming step molding are applied to the result figure of immersible pump as shown in figure 11, suction chamber
1, impeller 2 and stator 4 are sequentially coaxially arranged in the rotating shaft at center, and wherein suction chamber 1 is rustless steel suction chamber, impeller 2 times
The surface contacted with suction chamber 1 of cover plate 22 offers two cannelures 7, impeller 2 be arranged above stator 4, stator 4 is installed
On rubber sleeve 6, rubber sleeve 6 is arranged on axle sleeve 5, and axle sleeve 5 is arranged in rotating shaft.In figure, arrow is water during immersible pump work
Flow diagram, water flows through the rotation waterpower of suction chamber and impeller and enters pumping chamber, the stator in pumping chamber on take further
Guiding transmission, during impeller work, impeller rubs with suction chamber rustless steel bottom surface, almost without gap, decreases the damage of backflow of leaking
Lose；Cannelure 7 one aspect decreases the contact area of impeller and suction chamber, reduces the abrasion that friction when impeller rotates causes,
On the other hand, being typically filled with moisture in cannelure, the most also can provide lubrication for the contact of impeller and suction chamber, reduction rubs
Wipe；Be smooth surface due to impeller and pumping chamber runner and runner match mutually, current by turbine centrifugal effect directly with
Runner entrance pumping chamber runner to then proceed to flow to next stage, as shown by arrows in FIG., under the effect of impeller and stator, water
It is nearly free from impulsive force in the middle of stream, decreases the loss that current cause because of impulsive force；In every one-level pumping chamber of stator
It is provided with rubber sleeve and rustless steel axle sleeve, considerably increases the radial concentricity of every grade of impeller and hexagonal axis, make impeller energy steadily
Contact bottom suction chamber rustless steel, reduce friction loss.
Figure 13 is the testing result figure of the immersible pump applying impeller assembly of the present utility model, room temperature 26.4 degrees Celsius,
Under conditions of water temperature 21.4 degrees Celsius, atmospheric pressure 0.1013MPa, the model to the impeller assembly of the application present invention is
The immersible pump of 150QJ32-26/3-4 detects, result such as Figure 13, as can be seen from Figure, and the volume to the immersible pump of this model
Fixed power requirement and rated head are in figure shown in cross hairs, and the actual flow of the present invention is 35.03m3/ h, actual lift
28.46m, 59.27%, far above rated head and rated power, actual efficiency 59.27%, higher than national standard 49.5% about
10 percentage points, this shows to apply the immersible pump of this impeller assembly to have higher power and efficiency.
With existing well immersible pump radial blade impeller, impeller assembly of the present utility model can reduce radially to greatest extent
The impact loss of impeller channel, improves the hydraulic performance of water pump, the most also reduces the mill of the housing caused due to long-term impact
Damage, the abrasion of bearing, reduce vibration and noise.It addition, impeller material selection plastics PPO material single injection-molded, rigidity is big,
Wear-resisting, thermostability is high, pollution-free, lightweight, surface smoothness is good, so that the loss of impeller significantly reduces, applies this practicality
3-5% higher than the efficiency of existing immersible pump is imitated in the work of the immersible pump of novel impeller assembly, and efficiency curve is mild, efficient region
Broadness, working range increases 10-20%, and energy-saving effect is notable.
The raising of impeller adiabatic efficiency decreases the load weight of rotor, reduces the radial force of pump, carries to a certain extent
The high service life of bearing.
The foregoing is only presently preferred embodiments of the present invention, not limit the practical range of the present invention with this, all be familiar with this
Item operator, uses principle and technical characteristic, the various changes made and the decoration of the present invention, all should be covered by present claims
Within the protection category that book is defined.
Claims (7)
1. a well submersible pump impeller assembly, including impeller and stator, it is characterised in that: described stator is coaxially disposed with impeller
And it being arranged on upper impeller, described impeller includes upper cover plate, lower cover and uniformly divides around upper cover plate center in involute-type shape
Cloth is at the blade of wheel cap surface, and the tail end of described blade is the oblique angle matched with wheel cap edge, and the bottom of described lower cover is arranged
Having at least one annular groove, selecting impeller bottom surface is X, Y plane, impeller middle spindle alignment is Z axis positive direction, each blade
Spatial form limited by following coordinate: (a) initial position of vanes is limited by following table with end position, and its Leaf is around center relatively
Near one end is original position,
B the mid portion shape of () blade is limited by following table,
The shape of blade is piled up with the data point line of above table and is formed.
Well submersible pump impeller assembly the most according to claim 1, it is characterised in that: described stator include stator backboard and
Being arranged on around stator center equally distributed water conservancy diversion leaf above backboard, the tail end of described water conservancy diversion leaf is and stator back plate edges phase
The oblique angle joined, selecting stator backboard is X, Y plane, and stator central axis is upwards Z axis positive direction, and the spatial form of blade is by following
Coordinate limits: (a) initial position of vanes is limited by following table with end position, and its Leaf one end nearer around center is start bit
Put,
B the mid portion shape of () guide vane is limited by following table,
The shape of blade is piled up with the data point line of above table and is formed.
Well submersible pump impeller assembly the most according to claim 2, it is characterised in that: described water conservancy diversion leaf is 7.
Well submersible pump impeller assembly the most according to claim 1, it is characterised in that: the blade of described impeller is 5.
Well submersible pump impeller assembly the most according to claim 2, it is characterised in that: arrange centered by described stator backboard
Having the cone structure of through hole, the inner side of described cone structure to be fixedly installed deep floor, described water conservancy diversion leaf is arranged on the stator back of the body
The outer surface of plate.
Well submersible pump impeller assembly the most according to claim 1, it is characterised in that: the installation that is provided centrally with of stator turns
The through hole of axle, rotating shaft is provided with axle sleeve, and stator is arranged on axle sleeve by rubber sleeve.
Well submersible pump impeller assembly the most according to claim 1, it is characterised in that: described impeller material is plastics PPO,
Described impeller single injection-molded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620416364.2U CN205677874U (en) | 2016-05-10 | 2016-05-10 | A kind of well submersible pump impeller assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620416364.2U CN205677874U (en) | 2016-05-10 | 2016-05-10 | A kind of well submersible pump impeller assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205677874U true CN205677874U (en) | 2016-11-09 |
Family
ID=57438974
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620416364.2U Expired - Fee Related CN205677874U (en) | 2016-05-10 | 2016-05-10 | A kind of well submersible pump impeller assembly |
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| Country | Link |
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| CN (1) | CN205677874U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105937505A (en) * | 2016-05-10 | 2016-09-14 | 鹿邑县鑫晶通用机械制造有限公司 | Impeller assembly and submerged pump using impeller assembly |
-
2016
- 2016-05-10 CN CN201620416364.2U patent/CN205677874U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105937505A (en) * | 2016-05-10 | 2016-09-14 | 鹿邑县鑫晶通用机械制造有限公司 | Impeller assembly and submerged pump using impeller assembly |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161109 Termination date: 20180510 |