CN204572568U - A kind of high-lift helical blade guide wheel - Google Patents
A kind of high-lift helical blade guide wheel Download PDFInfo
- Publication number
- CN204572568U CN204572568U CN201520229341.6U CN201520229341U CN204572568U CN 204572568 U CN204572568 U CN 204572568U CN 201520229341 U CN201520229341 U CN 201520229341U CN 204572568 U CN204572568 U CN 204572568U
- Authority
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- China
- Prior art keywords
- blade
- choma
- guide wheel
- mounting groove
- scope
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- Expired - Fee Related
Links
- 238000009434 installation Methods 0.000 claims abstract description 5
- 239000012530 fluid Substances 0.000 description 6
- 230000009286 beneficial effect Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000003139 buffering effect Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
Landscapes
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model relates to a kind of high-lift helical blade guide wheel, comprise guide wheel cover, pump shaft cover, many groups blade and choma, pump shaft is set on choma inside, guide wheel is set on outside choma, and be connected with blade between guide wheel cover and choma, blade lean is arranged on choma, and blade is circular arc type, blade and choma angularly δ, angle δ scope is 15-20 °, the scope of the stagger angle α of blade is 8-12 °, the scope of the exit installation angle β of blade is 85-90 °, choma offers keyhole, the utility model structure is simple, and improve the ability of guide wheel fed sheet of a media.
Description
Technical field
The utility model relates to axial-flow pump technical field, particularly relates to a kind of high-lift helical blade guide wheel.
Background technique
In common blade pump, impeller outlet liquid speed circular rector is eliminated in the effect of guide wheel, the kinetic energy of fluid is converted to pressure energy, and flow direction is adjusted to the requirement of next stage impeller enter flow path direction, axial-flow pump guide wheel is in the market in the process of work, in the process that axial-flow pump guide vane rotates with pump shaft, there is centrifugal motion in fed sheet of a media, cause the ability of the fed sheet of a media of guide wheel to decline, particularly carry the ability of high air content medium lower near guide wheel.
Model utility content
The purpose of this utility model is to provide a kind of high-lift helical blade guide wheel, solves fed sheet of a media in prior art near guide wheel, there is the technical problem of centrifugal motion;
The technological scheme that the utility model solves the problems of the technologies described above is as follows:
A kind of high-lift helical blade guide wheel, comprise guide wheel cover, pump shaft cover, many group blades and choma, described pump shaft is set on choma inside, described guide wheel is set on outside choma, and be connected with described blade between guide wheel cover and choma, described blade lean is arranged on choma, and described blade is circular arc type, described blade and choma angularly δ, described angle δ scope is 15-20 °, the scope of the stagger angle α of described blade is 8-12 °, and the scope of the exit installation angle β of described blade is 85-90 °, and described choma offers keyhole;
On the basis of technique scheme, the utility model can also do following improvement:
Further, described blade is 10-12 group, adopts the beneficial effect of this step to be ensure that the axial velocity of impeller at guide wheel entrance is consistent with the axial velocity at impeller outlet, and can the air mass that formed of more effective broken impeller outlet;
Further, described choma is taper, and adopt the beneficial effect of this step to be along with fluid flows in guide wheel, its area of passage increases gradually, and flow velocity reduces, and pressure increases, and plays the effect of supercharging;
Further, described choma one end offers mounting groove one, and the other end offers mounting groove two, and described mounting groove one is corresponding with mounting groove two, adopts the beneficial effect of this step to be convenient to the multistage assembling of guide wheel, improves conveying capacity;
Further, described vane thickness presses the change of straight line rule along leaf height direction, reduce gradually from blade root to blade tip thickness, adopts the beneficial effect of this step to be the phase separating power improving guide wheel;
In the utility model guide wheel choma adopt tapered structure, when impeller exhaust port fluid enter guide wheel wait, along with fluid flows in guide wheel, its area of passage increases gradually, flow velocity reduce, pressure increase, play the effect of supercharging;
The utility model, by designing the blade of guide wheel, can play the effect of buffering to impeller exhaust port fluid, reduce the loss of impact to guide vane and fluid energy;
The beneficial effects of the utility model:
1. the utility model is by the design to choma and blade structure, reduces the friction loss of guide vane and water passage surface, reduces fed sheet of a media with the centrifugal motion in wheel rotation process;
2. the utility model is by the slanted angle by controlling between impeller and choma, strengthens the water conservancy diversion effect of impeller, and raising impeller carries conveying capacity during high air content;
3. the utility model increases lift, improves the flow of mixed pump, improves working efficiency.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of high-lift helical blade guide wheel described in the utility model specific embodiment;
Fig. 2 is the sectional view of a kind of high-lift helical blade guide wheel described in the utility model specific embodiment;
Fig. 3 is the plan view of a kind of high-lift helical blade guide wheel described in the utility model specific embodiment;
In accompanying drawing, the list of parts representated by each label is as follows:
1, guide wheel cover, 2, pump shaft cover, 3, blade, 4, choma, 5, keyhole, 6, mounting groove one, 7, mounting groove two.
Embodiment
Be described principle of the present utility model and feature below in conjunction with accompanying drawing, example, only for explaining the utility model, is not intended to limit scope of the present utility model.
Embodiment 1:
A kind of high-lift helical blade guide wheel, comprise guide wheel cover 1, pump shaft cover 2, many groups blade 3 and choma 4, it is inner that described pump shaft cover 2 is arranged on choma 4, described guide wheel cover 1 is arranged on outside choma 4, and be connected with described blade 3 between guide wheel cover 1 and choma 4, described blade 3 is inclined on choma 4, and described blade 3 is circular arc type, described blade 3 and choma 4 angularly δ, described angle δ scope is 15 °, the scope of the stagger angle α of described blade 3 is 8 °, the scope of the exit installation angle β of described blade 3 is 85 °, described choma 4 offers keyhole 5, described blade 3 is 10-12 group, described choma 4 is taper, described choma 4 one end offers mounting groove 1, the other end offers mounting groove 27, described mounting groove 1 is corresponding with mounting groove 27, described blade 3 thickness presses the change of straight line rule along leaf height direction, reduce gradually from blade root to blade tip thickness,
The utility model, by controlling to improve along the inclination angle of pump shaft moving direction the ability that high air content medium carried by axial-flow pump between blade 3 and choma 4, solves axial-flow pump well and carries the problem that high air content media capabilities is low;
Embodiment 2:
A kind of high-lift helical blade guide wheel, comprise guide wheel cover 1, pump shaft cover 2, many groups blade 3 and choma 4, it is inner that described pump shaft cover 2 is arranged on choma 4, described guide wheel cover 1 is arranged on outside choma 4, and be connected with described blade 3 between guide wheel cover 1 and choma 4, described blade 3 is inclined on choma 4, and described blade 3 is circular arc type, described blade 3 and choma 4 angularly δ, described angle δ scope is 20 °, the scope of the stagger angle α of described blade 3 is 12 °, the scope of the exit installation angle β of described blade 3 is 90 °, described choma 4 offers keyhole 5, described blade 3 is 10-12 group, described choma 4 is taper, described choma 4 one end offers mounting groove 1, the other end offers mounting groove 27, described mounting groove 1 is corresponding with mounting groove 27, described blade 3 thickness presses the change of straight line rule along leaf height direction, reduce gradually from blade root to blade tip thickness,
The utility model, by controlling to improve along the inclination angle of pump shaft moving direction the ability that high air content medium carried by axial-flow pump between blade 3 and choma 4, solves axial-flow pump well and carries the problem that high air content media capabilities is low
The foregoing is only preferred embodiment of the present utility model, not in order to limit the utility model, all within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (5)
1. a high-lift helical blade guide wheel, comprise guide wheel cover, pump shaft cover, many groups blade and choma, described pump shaft is set on choma inside, described guide wheel is set on outside choma, and be connected with described blade between guide wheel cover and choma, it is characterized in that, described blade lean is arranged on choma, and described blade is circular arc type, described blade and choma angularly δ, described angle δ scope is 15-20 °, the scope of the stagger angle α of described blade is 8-12 °, the scope of the exit installation angle β of described blade is 85-90 °, described choma offers keyhole.
2. the high-lift helical blade guide wheel of one according to claim 1, is characterized in that, described blade is 10-12 group.
3. the high-lift helical blade guide wheel of one according to claim 2, is characterized in that, described choma is taper.
4. the high-lift helical blade guide wheel of one according to claim 3, is characterized in that, described choma one end offers mounting groove one, and the other end offers mounting groove two, and described mounting groove one is corresponding with mounting groove two.
5. the high-lift helical blade guide wheel of one according to claim 4, is characterized in that, described vane thickness presses the change of straight line rule along leaf height direction, reduce gradually from blade root to blade tip thickness.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520229341.6U CN204572568U (en) | 2015-04-15 | 2015-04-15 | A kind of high-lift helical blade guide wheel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520229341.6U CN204572568U (en) | 2015-04-15 | 2015-04-15 | A kind of high-lift helical blade guide wheel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204572568U true CN204572568U (en) | 2015-08-19 |
Family
ID=53865212
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520229341.6U Expired - Fee Related CN204572568U (en) | 2015-04-15 | 2015-04-15 | A kind of high-lift helical blade guide wheel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204572568U (en) |
-
2015
- 2015-04-15 CN CN201520229341.6U patent/CN204572568U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A high-lift spiral vane guide wheel Effective date of registration: 20230105 Granted publication date: 20150819 Pledgee: Jiangsu Liancheng Energy Saving Technology Co.,Ltd. Pledgor: JIANGSU YONGYI PUMP TECHNOLOGY GROUP CO.,LTD. Registration number: Y2023320000001 |
|
| 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: 20150819 |