CN220319898U - Impeller for anti-wear pump - Google Patents
Impeller for anti-wear pump Download PDFInfo
- Publication number
- CN220319898U CN220319898U CN202321772130.8U CN202321772130U CN220319898U CN 220319898 U CN220319898 U CN 220319898U CN 202321772130 U CN202321772130 U CN 202321772130U CN 220319898 U CN220319898 U CN 220319898U
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- China
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- cover plate
- impeller
- blade disc
- auxiliary blade
- pump according
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- 239000012790 adhesive layer Substances 0.000 claims description 5
- 230000008676 import Effects 0.000 claims description 4
- 239000000919 ceramic Substances 0.000 claims description 3
- 238000006243 chemical reaction Methods 0.000 abstract description 6
- 239000000463 material Substances 0.000 description 5
- 238000009434 installation Methods 0.000 description 4
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 description 4
- 229910010271 silicon carbide Inorganic materials 0.000 description 4
- 238000005260 corrosion Methods 0.000 description 3
- 230000007797 corrosion Effects 0.000 description 3
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 2
- 239000003822 epoxy resin Substances 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229920000647 polyepoxide Polymers 0.000 description 2
- 230000008092 positive effect Effects 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 238000005245 sintering Methods 0.000 description 2
- 239000002002 slurry Substances 0.000 description 2
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 229910010293 ceramic material Inorganic materials 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Landscapes
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model provides an impeller for an antiwear pump, which comprises blades, a front cover plate and a rear cover plate, wherein the blades are arranged between the front cover plate and the rear cover plate, a front auxiliary blade disc is arranged on the outer side of the front cover plate, a front auxiliary cover plate is arranged on the inner side of the front cover plate, a rear auxiliary blade disc is arranged on the outer side of the rear cover plate, a rear auxiliary cover plate is arranged on the inner side of the rear cover plate, and an inlet short piece is arranged at the inlet end of each blade. The utility model has the advantages of improving the wear resistance of the impeller for the pump, improving the energy conversion efficiency and reliability of the pump, prolonging the service life of the pump, along with simple structure and convenient operation.
Description
Technical Field
The utility model belongs to the technical field of impellers, and particularly relates to an impeller for an antiwear pump.
Background
The impeller is used as a key component of the pump, converts mechanical energy into fluid energy, directly influences the overall performance of the pump, and is widely applied to conveying links in industries such as metallurgy, chemical industry, electric power and the like. In the conveying process, because the slurry contains solid particles and has certain concentration and fluidity, the abrasion condition of the impeller of the core part is very serious, the energy conversion efficiency, the reliability, the service life and the like of the pump are influenced,
disclosure of Invention
In order to solve the technical problems, the utility model provides the impeller for the anti-wear pump, which effectively solves the problem of serious abrasion of the impeller for the pump and overcomes the defects of the prior art.
The technical scheme adopted by the utility model is as follows: the utility model provides an impeller for anti-wear pump, includes blade, front shroud and back shroud, the blade sets up between front shroud and the back shroud, the front shroud outside is equipped with preceding vice bladed disk, the front shroud inboard is equipped with preceding vice apron, the back shroud outside is equipped with back vice bladed disk, the back shroud inboard is equipped with back vice apron, the entrance point of blade is equipped with the import short piece.
Further, one side of the front cover plate and the rear cover plate, which is far away from the blades, is provided with a first positioning part.
Further, a second positioning part is arranged on one side, close to the blades, of the front auxiliary blade disc and the rear auxiliary blade disc, and the second positioning part is matched with the first positioning part.
Further, the rear cover plate is provided with a through hole, and one side of the inlet short piece is arranged in the through hole and connected with the rear auxiliary blade disc.
Further, a groove is formed in the position, corresponding to the through hole, of the front cover plate, and the groove is used for placing the other side of the inlet short piece.
Further, an adhesive layer is arranged at the joint of the inlet short piece and the rear auxiliary blade disc.
Further, the length of the inlet short piece is 1/3-2/5 of the length of the blade.
Further, a fixing piece is arranged between the front cover plate and the front auxiliary blade disc, and between the rear cover plate and the rear auxiliary blade disc, the front cover plate and the front auxiliary blade disc and the rear cover plate and the rear auxiliary blade disc are detachably connected through the fixing piece.
Further, the front sub-blade tray, the rear sub-blade tray, and the inlet tabs are provided as ceramic bodies.
The utility model has the advantages and positive effects that: by adopting the technical scheme, the wear resistance of the impeller for the pump is improved, the energy conversion efficiency and the reliability of the pump are improved, the service life of the pump is prolonged, the structure is simple, and the operation is convenient.
Drawings
Fig. 1 is a schematic view of the overall structure of an impeller for an antiwear pump according to an embodiment of the present utility model.
Fig. 2 is a schematic view of an impeller body structure for an antiwear pump according to an embodiment of the present utility model.
Fig. 3 is a schematic view of the structure of a front auxiliary vane disk of an impeller for an antiwear pump according to an embodiment of the present utility model.
Fig. 4 is a cross-sectional view of a front sub-vane disk of an impeller for an anti-wear pump according to an embodiment of the present utility model.
Fig. 5 is a schematic view of a rear auxiliary vane disk of an impeller for an antiwear pump according to an embodiment of the present utility model.
Fig. 6 is a cross-sectional view of a rear sub-vane disk of an impeller for an anti-wear pump according to an embodiment of the present utility model.
Fig. 7 is a cross-sectional view of an impeller inlet tab for an anti-wear pump according to an embodiment of the utility model.
In the figure:
1. blade 2, front cover plate 3, rear cover plate
4. Front auxiliary blade disk 5, front auxiliary blade 6 and rear auxiliary blade disk
7. Rear auxiliary blade 8, inlet tab 9 and impeller inlet
10. First positioning portion 11, second positioning portion 12, through hole
13. Groove 14, adhesive layer 15, mounting hole
16. End face 17, front auxiliary cover plate 18, rear auxiliary cover plate
Detailed Description
The embodiment of the utility model provides an impeller for an anti-wear pump, and the embodiment of the utility model is described below with reference to the accompanying drawings.
In the description of the embodiments of the present utility model, it should be understood that the orientation or positional relationship indicated by the terms "top", "bottom", etc. are based on the orientation or positional relationship shown in the drawings, are merely for convenience of description and to simplify the description, and are not indicative or implying that the apparatus or element in question must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present utility model. In the description of the present utility model, it should be noted that, unless explicitly stated and limited otherwise, the terms "disposed," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art in a specific case.
As shown in fig. 1, an impeller for an antiwear pump according to an embodiment of the present utility model includes a vane 1, a front cover plate 2 and a rear cover plate 3, where the vane 1 is disposed between the front cover plate 2 and the rear cover plate 3, and the whole impeller is a centrifugal closed impeller, and the specific structure is the same as that of the prior art, and will not be described herein. In order to enhance the wear resistance of the impeller, a front auxiliary blade disc 4 is arranged on the outer side of the front cover plate 2, the front auxiliary blade disc 4 is matched with the shape of the front cover plate 2, 3-10 front auxiliary blades 5 are arranged on the front auxiliary blade disc 4, a front auxiliary cover plate 17 is arranged on the inner side of the front cover plate 2, and the shape of the front auxiliary cover plate 17 is matched with the shape of the inner side of the front cover plate 2. The rear auxiliary blade disc 6 is arranged on the outer side of the rear cover plate 3, the rear auxiliary blade disc 6 is matched with the rear cover plate 3 in shape, 3-10 rear auxiliary blades 7 are arranged on the rear auxiliary blade disc 6, the rear auxiliary cover plate 18 is arranged on the inner side of the rear cover plate 3, and the rear auxiliary cover plate 18 is matched with the rear cover plate 3 in shape. The front sub-cover 17 and the rear sub-cover 18 are each bonded to the inner sides of the front cover and the rear cover by a partition member structure of the blade 1. The inlet end of the vane 1, that is, the end of the vane 1 near the impeller inlet 9 is easy to wear, so that an inlet short piece 8 is arranged at the inlet end of the vane 1, as shown in fig. 7, the shape of the end face 16 of the inlet short piece 8 far away from the impeller inlet 9 is matched with the inlet end of the vane 1, so that the vane 1 and the inlet short piece 8 can be connected to form a complete sheet body, and the shape is a section view of the inlet short piece 8 perpendicular to the axial direction of the impeller. The front auxiliary blade disc 4, the front auxiliary cover plate 17, the rear auxiliary blade disc 6, the rear auxiliary cover plate 18 and the inlet short piece 8 are all made of wear-resistant materials, and can be made of ceramic materials or other wear-resistant materials.
As shown in fig. 2-6, in order to facilitate the installation of the front auxiliary blade disc 4 and the rear auxiliary blade disc 6, the connection firmness of the front auxiliary blade disc 4 and the front cover plate 2 is improved, the rear auxiliary blade disc 6 and the rear cover plate 3 are provided with a first positioning part 10 at one side of the front cover plate 2 and the rear cover plate 3 far away from the blade 1, one side of the front auxiliary blade disc 4 and the rear auxiliary blade disc 6 close to the blade 1 is provided with a second positioning part 11, and the second positioning part 11 is matched with the first positioning part 10. In some embodiments, the first positioning portion 10 may be an annular protrusion, and the second positioning portion 11 may be an annular groove, and the annular protrusion is adapted to the shape of the annular groove. In some embodiments, the first positioning portion 10 may be an annular groove, and the second positioning portion 11 may be an annular protrusion.
In order to facilitate the installation of the inlet tab 8, a through hole 12 is formed in the back cover plate 3, and the inlet tab 8 can be placed between the front cover plate 2 and the back cover plate 3 through the through hole 12 and is engaged with the inlet end of the blade 1. For the convenience of fixing, a groove 13 is arranged at the position of the front cover plate 2 corresponding to the through hole 12 and is used for placing the inlet short piece 8. One side of the inlet short sheet 8 is placed in the groove 13 of the front cover plate 2, and the other side is placed in the through hole 12 of the rear cover plate 3, and is adhered and fixed with the rear auxiliary blade disc 6 by adopting the adhesive layer 14. The material of the bonding layer 14 can be epoxy resin or resin silicon carbide, and has good corrosion resistance.
The inlet tabs 8 are relatively vulnerable to wear at the impeller inlet 9 and can be replaced periodically according to the degree of wear. The length of the inlet short piece 8 is too short, and needs to be replaced frequently, the length of the inlet short piece 8 is too long, the waste of materials is caused during replacement, and the length of the short piece is set to be 1/3-2/5 of the length of the blade 1.
When the front and rear sub-blade trays 4 and 6 are worn, they need to be replaced, so that the front cover plate 2 and the front sub-blade tray 4, and the rear cover plate 3 and the rear sub-blade tray 6 are detachably connected by using a fixing member. In some embodiments, as shown in fig. 3-6, threaded holes are formed in the front cover plate 2 and the rear cover plate 3, not shown in the drawings, mounting holes 15 are formed in the opposite positions of the front sub-blade disc 4 and the rear sub-blade disc 6, the mounting holes 15 may be through holes or countersunk holes, and the threaded holes and the mounting holes 15 are detachably connected by bolts. The screw holes and the mounting holes 15 are uniformly arranged along the circumferential direction of the impeller.
The impeller is usually made of metal, and the impeller is easily eroded due to the corrosiveness of the slurry and poor corrosion resistance of the metal. Therefore, the front auxiliary blade disc 4, the rear auxiliary blade disc 6 and the inlet short piece 8 are ceramic bodies, so that the corrosion resistance of the whole impeller is enhanced, and the specific material can be reaction sintering silicon carbide or silicon carbide sintered body or zirconia sintered body or alumina sintered body, and the impeller has high compressive strength and bending strength.
Examples: the impeller for the anti-wear pump comprises blades 1, a front cover plate 2 and a rear cover plate 3, wherein the blades 1 are arranged between the front cover plate 2 and the rear cover plate 3 and are centrifugal closed impellers, and the impeller is integrally cast and formed, and has the specific structure the same as that of the prior art. The blades 1, the front cover plate 2 and the rear cover plate 3 are made of metal materials, and are not described herein. The front auxiliary blade disc 4 is arranged outside the front cover plate 2, 10 front auxiliary blades 5 are arranged on the front auxiliary blade disc 4, the front auxiliary cover plate 17 is bonded on the inner side of the front cover plate 2, the rear auxiliary blade disc 6 is arranged outside the rear cover plate 3, 10 rear auxiliary blades 7 are arranged on the rear auxiliary blade disc 6, and the rear auxiliary cover plate 18 is bonded on the inner side of the rear cover plate 3. The inlet end of the vane 1 is provided with an inlet tab 8, and the shape of the end face 16 of the inlet tab 8 remote from the impeller inlet 9 is adapted to the inlet end of the vane 1. The front cover plate 2 and the rear cover plate 3 are provided with a first positioning part 10, in particular an annular bulge, on one side far away from the blade 1, and the relative positions of the front auxiliary blade disc 4 and the rear auxiliary blade disc 6 on one side near the blade 1 are provided with a second positioning part 11, in particular an annular groove, and the annular bulge is matched with the annular groove. The rear cover plate 3 is provided with a through hole 12, and the inlet short piece 8 can pass through the through hole 12 to be placed between the front cover plate 2 and the rear cover plate 3 and is connected with the inlet end of the blade 1. A groove 13 is arranged at the position of the front cover plate 2 corresponding to the through hole 12 and is used for placing the inlet short piece 8. One side of the inlet short sheet 8 is placed in the groove 13 of the front cover plate 2, and the other side is placed in the through hole 12 of the rear cover plate 3, and is adhered and fixed with the rear auxiliary blade disc 6 by adopting the epoxy resin adhesive layer 14. The length of the short sheet is set to 2/5 of the length of the blade 1. Four threaded holes are uniformly formed in the front cover plate 2 and the rear cover plate 3 on the side far away from the blades 1 along the circumferential direction of the impeller, four mounting holes 15 are formed in the relative positions of the front auxiliary blade disc 4 and the rear auxiliary blade disc 6, and the threaded holes are connected with the mounting holes 15 through bolts. The front auxiliary blade disc 4, the rear auxiliary blade disc 6, the front auxiliary cover plate 17, the rear auxiliary cover plate 18 and the inlet short piece 8 are made of reaction sintering silicon carbide.
The utility model has the advantages and positive effects that:
1. through setting up preceding vice blade dish, back vice blade dish, preceding vice apron and back vice apron, protection preceding apron and back apron, through setting up the import short-cut at the entrance point of blade, protection vane has improved the antifriction performance of impeller for the pump, has improved energy conversion efficiency and the reliability of pump, has prolonged the life of pump.
2. Through setting up first location portion and second location portion, strengthened impeller installation's stability and fastness.
3. Front pair blade dish and front shroud, back pair blade dish and back shroud carry out detachable connection, and import short-cut adopts embedded installation, can replace according to the wearing and tearing condition, simple structure, convenient operation.
The foregoing describes the embodiments of the present utility model in detail, but the description is only a preferred embodiment of the present utility model and should not be construed as limiting the scope of the utility model. All equivalent changes and modifications within the scope of the present utility model are intended to be covered by the present utility model.
Claims (9)
1. The utility model provides an impeller for antifriction pump, includes blade, front shroud and back shroud, the blade sets up between front shroud and the back shroud, its characterized in that: the front cover plate outside is equipped with preceding vice blade dish, the front cover plate inboard is equipped with preceding vice apron, the back cover plate outside is equipped with back vice blade dish, the back cover plate inboard is equipped with back vice apron, the entrance point of blade is equipped with the import short piece.
2. An impeller for an antiwear pump according to claim 1, wherein: the front cover plate and the rear cover plate are provided with first positioning parts at one sides far away from the blades.
3. An impeller for an antiwear pump according to claim 2, wherein: the front auxiliary blade disc and the rear auxiliary blade disc are provided with second positioning parts at one sides close to the blades, and the second positioning parts are matched with the first positioning parts.
4. An impeller for an antiwear pump according to any one of claims 1 to 3, wherein: the rear cover plate is provided with a through hole, and one side of the inlet short piece is arranged in the through hole and connected with the rear auxiliary blade disc.
5. An impeller for an anti-wear pump according to claim 4, wherein: and a groove is arranged at the position of the front cover plate corresponding to the through hole and used for placing the other side of the inlet short piece.
6. An impeller for an anti-wear pump according to claim 4, wherein: and an adhesive layer is arranged at the joint of the inlet short piece and the rear auxiliary blade disc.
7. An impeller for an antiwear pump according to any one of claims 1 to 3 and 5 to 6, wherein: the length of the inlet short piece is 1/3-2/5 of the length of the blade.
8. An impeller for an anti-wear pump according to claim 7, wherein: the front cover plate and the front auxiliary blade disc are connected, a fixing piece is arranged between the rear cover plate and the rear auxiliary blade disc, and the fixing piece is used for detachably connecting the front cover plate with the front auxiliary blade disc and detachably connecting the rear cover plate with the rear auxiliary blade disc.
9. An impeller for an antiwear pump according to any one of claims 1 to 3, 5 to 6 and 8, wherein: the front auxiliary blade disc, the rear auxiliary blade disc and the inlet short piece are arranged as ceramic bodies.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321772130.8U CN220319898U (en) | 2023-07-07 | 2023-07-07 | Impeller for anti-wear pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321772130.8U CN220319898U (en) | 2023-07-07 | 2023-07-07 | Impeller for anti-wear pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220319898U true CN220319898U (en) | 2024-01-09 |
Family
ID=89412005
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321772130.8U Active CN220319898U (en) | 2023-07-07 | 2023-07-07 | Impeller for anti-wear pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220319898U (en) |
-
2023
- 2023-07-07 CN CN202321772130.8U patent/CN220319898U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant |