CN203285725U - Impeller of axial flow pump - Google Patents
Impeller of axial flow pump Download PDFInfo
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- CN203285725U CN203285725U CN2013203003214U CN201320300321U CN203285725U CN 203285725 U CN203285725 U CN 203285725U CN 2013203003214 U CN2013203003214 U CN 2013203003214U CN 201320300321 U CN201320300321 U CN 201320300321U CN 203285725 U CN203285725 U CN 203285725U
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- impeller
- blades installation
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- blade
- flow pump
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Abstract
The utility model discloses an impeller of an axial flow pump. The impeller comprises an impeller hub, vanes installed on the impeller hub, and a movable vane head installed at the end part of the impeller hub, wherein the impeller hub is connected to a coupler and comprises a coupling part, a vane mounting part, an upper transition part and a bottom assembling part, the vane mounting part is positioned below the coupling part, the periphery of the vane mounting part is incompletely spherical and is provided with a plurality of vane mounting end surfaces at a fixed interval, the upper transition part is joined with the coupling part and the vane mounting part, and the bottom assembling part is positioned below the vane mounting part; each vane comprises a base, a connecting shaft and a vane surface which is twisted, and the vanes are installed on the vane mounting end surfaces of the vane hub; the movable vane head comprises a bottom plate and a cover, the bottom plate is shaped like a flat plate, the cover is hemispherical, a panel for forming the cover has two different curvature radiuses, the curvature radius of the part, close to the top end, of the panel is smaller than that of the part, close to the tail end, of the panel; and the movable vane head is installed on the bottom assembling part.
Description
Technical field
The utility model relates to the axial-flow pump field, relates in particular to a kind of impeller of axial-flow pump.
Background technique
Axial-flow pump is the pump that liquid is carried by the active force that the blade of spinning roller impeller produces liquid along axial direction.The impeller of common axial-flow pump comprises following several parts: impeller boss, be arranged on 2～7 blades on impeller boss, be arranged on the movable vane head of impeller boss end.Impeller boss, blade and movable vane head form impeller jointly.Impeller rotates in the tubular shape pump case.On the pump case of upper impeller, fixed guide vane is housed,, in order to eliminate rotatablely moving of liquid, makes it to become axial motion, and the kinetic energy that rotatablely moves is changed into pressure energy.
Axial-flow pump is single-stage normally, and minority is made stage type.Range of flow is very large, be 180～36 ten thousand steres/time.Lift is generally below 20 meters.Axial-flow pump is generally vertical, and impeller is immersed under water, also has horizontal or inclined axial flow.
Axial-flow pump mainly is applicable to the occasion of low lift, large flow, regulates as the water level of irrigation, water drainage, dock draining, canal ship lock, or as power plant's System in Large Circulating Water Pump.The axial-flow pump that lift is higher (making in case of necessity twin-stage) can be for the hydraulic jet propulsion of shallow draft ship.
The model utility content
The utility model is intended to propose a kind of impeller of axial-flow pump.
According to an embodiment of the present utility model, a kind of impeller of axial-flow pump is proposed, comprise impeller boss, be arranged on the blade on impeller boss and be arranged on the movable vane head of impeller boss end, impeller boss is connected to coupling, rotated by driven by motor by coupling, first rotation of impeller boss band moving vane and movable vane, wherein
Impeller boss comprises shaft coupling section, blades installation section, upper transition part and department of assembly, bottom, shaft coupling section is cylindrical and innerly have an axis hole, blades installation section is positioned at the below of shaft coupling section, it is incomplete spherical and with fixed intervals, be provided with several blades installation end faces that the periphery of blades installation section is, upper intermediate location is to be connected shaft coupling section and blades installation section between shaft coupling section and blades installation section, and the department of assembly, bottom is positioned at blades installation subordinate side;
Blade comprises pedestal, coupling shaft and blade face, and coupling shaft extends from the bottom of pedestal, and blade face is warp surface and is arranged on the pedestal top, and blades installation is on the blades installation end face of impeller boss;
The movable vane head comprises base plate and lid, it is plate that base plate is, lid is hemisphere, the end of lid is connected in base plate, the top of lid has a hole, the sheet material that forms lid has two kinds of different radius of curvature, and this sheet material leans on the radius of curvature of subterminal part near the radius of curvature of the part on top less than this sheet material, and the movable vane head is arranged in the department of assembly, bottom.
In one embodiment, each blades installation end face is a circular flat, in the central authorities of blades installation end face, has the blades installation hole; The pedestal of blade is disc, the diameter of pedestal and shape and blades installation end face coupling, the coupling shaft of blade is fixed in described blades installation hole, with blades installation to impeller boss.
In one embodiment, on each blades installation end face, have the boring of one group of curved arrangement below the blades installation hole; Have the adjustment hole of one group of arc shooting on pedestal, quantity and the position of boring and adjustment hole are complementary; Bolt passes be complementary a pair of in one group of boring and adjustment hole and is connected to the deflection angle of blade face with stator blade.
In one embodiment, several blade pass are crossed several blades installation end faces and are installed in the same level height.
In one embodiment, have the stiffening rib that extends internally on the inwall of blades installation section, stiffening rib is between two blades installation end faces.
In one embodiment, it is cylindrical that the department of assembly, bottom is step, and bottom has attachment hole in department of assembly; The lid of movable vane head exceeds base plate and forms protuberance, and the step of protuberance and department of assembly, bottom is cylindrical to be complementary, and has attachment hole on described base plate, and the attachment hole that bolt passes on department of assembly, bottom and base plate is fixed in the department of assembly, bottom with base plate.
In one embodiment, the sheet material that forms the lid of movable vane head is 1:2.5～1:3.5 near the radius of curvature of the part on top and sheet material by the ratio of the radius of curvature of subterminal part.
In one embodiment, the shaft coupling section of impeller boss, blades installation section, upper transition part and department of assembly, bottom are one-body molded.
The impeller of axial-flow pump of the present utility model makes the monnolithic case of impeller boss, blade and movable vane head more meet fluid mechanics by appropriate design, is conducive to reduce the resistance of impeller in current, can reduce the whole energy consumption of axial-flow pump.
Description of drawings
Fig. 1 has disclosed the structural drawing according to the impeller of an embodiment's of the present utility model axial-flow pump.
Fig. 2 a～2c has disclosed the structural drawing according to impeller boss in the impeller of an embodiment's of the present utility model axial-flow pump, and wherein Fig. 2 a is the longitudinal profile structural drawing of impeller boss, and Fig. 2 b is the view in transverse section of impeller boss, and Fig. 2 c is the peripheral structure schematic diagram of impeller boss.
Fig. 3 a～3c has disclosed the structural drawing according to the impeller Leaf of an embodiment's of the present utility model axial-flow pump, and wherein Fig. 3 a is the Facad structure view of blade, and Fig. 3 b is the side structure view of blade, and Fig. 3 c is the plan structure view of blade.
Fig. 4 has disclosed the sectional structure chart according to movable vane head in the impeller of an embodiment's of the present utility model axial-flow pump.
Embodiment
With reference to shown in Figure 1, the utility model proposes a kind of impeller 100 of axial-flow pump, this impeller 100 comprises impeller boss 200, be arranged on the blade 300 on impeller boss 200 and be arranged on the movable vane head 400 of impeller boss 200 ends.Impeller boss 200 is connected to coupling, by coupling, by driven by motor, is rotated, and impeller boss 200 band moving vanes 300 and movable vane head 400 rotate together.
Fig. 2 a～2c has disclosed the structural drawing according to impeller boss in the impeller of an embodiment's of the present utility model axial-flow pump, and wherein Fig. 2 a is the longitudinal profile structural drawing of impeller boss, and Fig. 2 b is the view in transverse section of impeller boss, and Fig. 2 c is the peripheral structure schematic diagram of impeller boss.As shown in Fig. 2 a～2c, this impeller boss 200 comprises shaft coupling section 202, blades installation section 204, upper transition part 206 and department of assembly, bottom 208.Shaft coupling section 202 is cylindrical, and the inside of shaft coupling section 202 has axis hole 203.Shaft coupling section 202 is used for being connected with coupling, by coupling, from motor, obtains power, and drives impeller hub 200 is with moving vanes 300 and movable vane head 400 to follow the motor rotation.Blades installation section 204 is positioned at the below of shaft coupling section 202, and it is incomplete spherical that the periphery of blades installation section 204 is, and can understand the shape of the periphery of blades installation section 204 with reference to figure 2b and Fig. 2 c more clearlyly.Blades installation section 204 is spherical in shape on the whole, but this spherical be incomplete.Can form several blades installation end faces 205 on the surface of spheroid.As shown in the figure, blades installation end face 205 is circular flats, can be understood as blades installation end face 205 and be to prune one and form on the surface of spherical blades installation section 204.Several blades installation end faces 205 can be set usually so that several blades to be installed.These blades installation end faces 205 are with the fixed intervals setting, and these blades installation end faces 205 are disposed on the same level height.In the embodiment shown in Fig. 2 a～Fig. 2 c, be provided with three blades installation end faces 205 in blades installation section 204, each blades installation end face 105 is circular flats, and the center of circle of this circular flat is positioned on the equatorial plane of spheroid at blades installation section 204 places.Three all blades installation end faces 205 are positioned at the same level height.Shown in figure 2b, three blades installation end faces 205 evenly arrange with 120 ° of intervals, are used for installing three blades.Shown in figure 2a and Fig. 2 c, have blades installation hole 251 on each blades installation end face 205, be positioned at the central authorities of circular blades installation end face 205 in blades installation hole 251.Have the boring 252 of one group of curved arrangement below blades installation hole 251.Camber lines that these borings 252 form are positioned on same circumference, and this circle is with the circular shape concentric of blades installation end face 205.Continue with reference to figure 2b, in one embodiment,, for the intensity that makes blades installation section 204 is higher, be provided with the stiffening rib 241 that extends internally on the inwall of blades installation section 204, the quantity of stiffening rib 241 is several, and each stiffening rib 241 is between two blades installation end faces 205.With reference to figure 2a and Fig. 2 c, upper transition part 206 is between shaft coupling section 202 and blades installation section 204.Upper transition part 206 is connected shaft coupling section 202 and blades installation section 204.Upper transition part 204 is also cylindrical, and what upper transition part 204 was diameters greater than shaft coupling section 202 is cylindrical.Department of assembly 208, bottom is positioned at blades installation section 204 belows, and it is cylindrical that department of assembly, bottom 208 is step.As shown in Figure 2 a, have attachment hole 281 in department of assembly, bottom 208, department of assembly, bottom 208 is used for connecting movable vane head 400.In one embodiment, above-mentioned shaft coupling section 202, blades installation section 204, upper transition part 206 and department of assembly, bottom 208 are one-body molded, are namely same parts, the one-step casting moulding, but not a plurality of parts are spliced to form.
Fig. 3 a～3c has disclosed the structural drawing according to the impeller Leaf of an embodiment's of the present utility model axial-flow pump, and wherein Fig. 3 a is the Facad structure view of blade, and Fig. 3 b is the side structure view of blade, and Fig. 3 c is the plan structure view of blade.As shown in the figure, this blade 300 comprises pedestal 302, coupling shaft 304 and blade face 306.Coupling shaft 304 extends from the bottom of pedestal 302, and coupling shaft 304 is used for being connected with the attachment hole 251 on impeller boss 200, thereby blade 300 is installed on impeller boss 200.As shown in Figure 3 c, blade face 306 is warp surface, and blade face 306 is with an approximate tetragonal distortion, namely makes top margin and base form intersection in horizontal plane and forms a warp surface.Blade face 306 is arranged on pedestal 302 tops.In conjunction with reference to shown in figure 3a and Fig. 3 c, in one embodiment, pedestal 302 is disc, has one group of adjustment hole 303 on pedestal 302.This group of curved arrangement of adjustment hole 303, and this arc is positioned on same circumference, and this circumference is concentric with the circle at the periphery place of pedestal 302.Get back to Fig. 1, blade 300 is installed on impeller boss 200 in such a way: pedestal 302 is disc, the diameter of pedestal 302 and shape and blades installation end face 205 couplings, and pedestal 302 is placed on the blades installation end face 205 of impeller boss 200 just.Coupling shaft 304 passes blades installation hole 251, uses nut 308 to tighten coupling shaft 304 from the inboard of impeller boss 200, thereby blade 300 is installed on impeller boss 200.Adjustment hole 303 quantity of one group of arc shooting on pedestal and position all with blades installation end face 205 on boring 252 be complementary, use bolt pass be complementary a pair of in one group of boring and adjustment hole and be connected to the deflection angle of blade face with stator blade.Such as shown in Fig. 3 b, bolt 305 pass in one group of adjustment hole 303 one of them (with reference to figure 1 as seen, bolt 305 also passes a boring 252 that is complementary) and be connected to blade face 306, thereby make blade face 306 have a fixing deflection angle, with the deflection angle of stator blade 300 integral body.
Fig. 4 has disclosed the sectional structure chart according to movable vane head in the impeller of an embodiment's of the present utility model axial-flow pump.As shown in Figure 4, movable vane head 400 comprises base plate 402 and lid 404.Base plate 402 is plate.Lid 404 is hemisphere, and the end of lid 404 is connected in base plate 402, and the part that lid 404 connects in base plate 402 exceeds base plate and forms protuberance 440.The top of lid 404 has a hole 406.The sheet material 405 that forms lid has two kinds of different radius of curvature, and this sheet material leans on the radius of curvature of subterminal part 409 near the radius of curvature of the part 407 on top less than this sheet material.Need to prove, although sheet material has different radius of curvature near the part 407 on top and the part 409 of the close bottom of sheet material, both are integrated, are namely to be processed to form rather than by the two boards material, to be spliced to form by same sheet material.In one embodiment, sheet material is 1:2.5～1:3.5 near the radius of curvature of the part 407 on top and sheet material by the ratio of the radius of curvature of subterminal part 409.Such as, in one implementation, sheet material is 95mm near the radius of curvature of the part 407 on top, and sheet material is 280mm by the radius of curvature of subterminal part 409.The thickness of sheet material 405 is 1:9～1:10 with the ratio of the radius of curvature of the part 407 on the close top of sheet material.Such as, in one implementation, sheet material is 95mm near the radius of curvature of the part 407 on top, and the thickness of sheet material 405 is 10mm.The diameter ratio in the thickness of sheet material 405 and hole 406 is 1:1.5～1:2.Such as, in one implementation, the thickness of sheet material 405 is 10mm, and the diameter in hole 406 is 18mm.The thickness of sheet material 405 is 1:1 with the ratio of the thickness of base plate 402.Such as, in one implementation, the thickness of the thickness of sheet material 405 and base plate 402 is 10mm.Get back to Fig. 1, movable vane head 400 is installed on impeller boss 200 in such a way: it is cylindrical that the department of assembly, bottom 208 of impeller boss 200 is step, has attachment hole 281 in department of assembly, bottom 208.The protuberance 440 that the lid 404 of movable vane head 400 exceeds base plate 402 is complementary with the step of department of assembly, bottom 208 is cylindrical.Also have attachment hole 403 on base plate 402, the attachment hole that bolt 408 passes on department of assembly, bottom and base plate is fixed in department of assembly 208, bottom with base plate 402.
Get back to Fig. 1, Fig. 1 has disclosed impeller boss 200, blade 300 and movable vane head 400 and has completed the rear structure that forms impeller 100 of assembling.In final impeller 100, axle 102 perfoliate-leaf wheel hubs 200 and movable vane head 400, axle drives impeller hub 200, blade 300 and 400 rotations of movable vane head.
The curvature variation that movable vane head of the present utility model covers by appropriate design makes the monnolithic case of movable vane head more meet fluid mechanics, is conducive to reduce the resistance of movable vane head in current, can reduce the energy consumption of axial-flow pump.
Claims (8)
1. the impeller of an axial-flow pump, is characterized in that, comprises impeller boss, is arranged on the blade on impeller boss and is arranged on the movable vane head of impeller boss end, impeller boss is connected to coupling, is rotated first rotation of impeller boss band moving vane and movable vane by driven by motor by coupling, wherein
Described impeller boss comprises shaft coupling section, blades installation section, upper transition part and department of assembly, bottom, shaft coupling section is cylindrical and innerly have an axis hole, blades installation section is positioned at the below of shaft coupling section, it is incomplete spherical and with fixed intervals, be provided with several blades installation end faces that the periphery of blades installation section is, upper intermediate location is to be connected shaft coupling section and blades installation section between shaft coupling section and blades installation section, and the department of assembly, bottom is positioned at blades installation subordinate side;
Described blade comprises pedestal, coupling shaft and blade face, and coupling shaft extends from the bottom of pedestal, and blade face is warp surface and is arranged on the pedestal top, and described blades installation is on the blades installation end face of impeller boss;
Described movable vane head comprises base plate and lid, it is plate that base plate is, lid is hemisphere, the end of lid is connected in base plate, the top of lid has a hole, the sheet material that forms lid has two kinds of different radius of curvature, and this sheet material leans on the radius of curvature of subterminal part near the radius of curvature of the part on top less than this sheet material, and described movable vane head is arranged in the department of assembly, bottom.
2. the impeller of axial-flow pump as claimed in claim 1, is characterized in that,
Each blades installation end face is a circular flat, in the central authorities of blades installation end face, has the blades installation hole;
The pedestal of described blade is disc, the diameter of pedestal and shape and blades installation end face coupling, the coupling shaft of described blade is fixed in described blades installation hole, with blades installation to impeller boss.
3. the impeller of axial-flow pump as claimed in claim 2, is characterized in that,
On each blades installation end face, have the boring of one group of curved arrangement below the blades installation hole;
Have the adjustment hole of one group of arc shooting on pedestal, quantity and the position of described boring and adjustment hole are complementary;
Bolt passes be complementary a pair of in described one group of boring and adjustment hole and is connected to the deflection angle of blade face with stator blade.
4. the impeller of axial-flow pump as claimed in claim 3, is characterized in that, several blade pass are crossed several blades installation end faces and are installed in the same level height.
5. the impeller of axial-flow pump as claimed in claim 1, is characterized in that, has the stiffening rib that extends internally on the inwall of described blades installation section, and stiffening rib is between two blades installation end faces.
6. the impeller of axial-flow pump as claimed in claim 1, is characterized in that,
It is cylindrical that department of assembly, described bottom is step, and bottom has attachment hole in department of assembly;
The lid of described movable vane head exceeds base plate and forms protuberance, and the step of protuberance and department of assembly, bottom is cylindrical to be complementary, and has attachment hole on described base plate, and the attachment hole that bolt passes on department of assembly, bottom and base plate is fixed in the department of assembly, bottom with base plate.
7. the impeller of axial-flow pump as claimed in claim 6, is characterized in that, it is 1:2.5～1:3.5 that the sheet material of the lid of formation movable vane head leans on the ratio of the radius of curvature of subterminal part near the radius of curvature of the part on top with sheet material.
8. the impeller of axial-flow pump as claimed in claim 1, is characterized in that, the shaft coupling section of described impeller boss, blades installation section, upper transition part and department of assembly, bottom are one-body molded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203003214U CN203285725U (en) | 2013-05-29 | 2013-05-29 | Impeller of axial flow pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203003214U CN203285725U (en) | 2013-05-29 | 2013-05-29 | Impeller of axial flow pump |
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| CN203285725U true CN203285725U (en) | 2013-11-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013203003214U Expired - Fee Related CN203285725U (en) | 2013-05-29 | 2013-05-29 | Impeller of axial flow pump |
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| CN (1) | CN203285725U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103977464A (en) * | 2014-06-06 | 2014-08-13 | 清华大学 | Implantable miniature axial blood pump with gradually-changing flow zone at outlet |
| CN109236727A (en) * | 2018-08-03 | 2019-01-18 | 江苏大学 | One kind being based on bionic axial flow pump blade inner |
| CN109538482A (en) * | 2018-10-29 | 2019-03-29 | 江苏大学 | A kind of shaft-driven Multi-stage axial-flow pump of single-motor double |
| CN112943682A (en) * | 2021-03-02 | 2021-06-11 | 合肥恒大江海泵业股份有限公司 | Assembling type impeller hub structure |
| CN113123923A (en) * | 2019-12-30 | 2021-07-16 | 三一重能股份有限公司 | Wind generating set and impeller thereof |
-
2013
- 2013-05-29 CN CN2013203003214U patent/CN203285725U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103977464A (en) * | 2014-06-06 | 2014-08-13 | 清华大学 | Implantable miniature axial blood pump with gradually-changing flow zone at outlet |
| CN109236727A (en) * | 2018-08-03 | 2019-01-18 | 江苏大学 | One kind being based on bionic axial flow pump blade inner |
| CN109538482A (en) * | 2018-10-29 | 2019-03-29 | 江苏大学 | A kind of shaft-driven Multi-stage axial-flow pump of single-motor double |
| CN113123923A (en) * | 2019-12-30 | 2021-07-16 | 三一重能股份有限公司 | Wind generating set and impeller thereof |
| CN112943682A (en) * | 2021-03-02 | 2021-06-11 | 合肥恒大江海泵业股份有限公司 | Assembling type impeller hub structure |
| CN112943682B (en) * | 2021-03-02 | 2021-10-08 | 合肥恒大江海泵业股份有限公司 | Assembling type impeller hub structure |
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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 |
Granted publication date: 20131113 Termination date: 20170529 |
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| CF01 | Termination of patent right due to non-payment of annual fee |