CN206478036U - A kind of high sand content water pump choma with the Ni-based diamondite sprayed coating of nanometer - Google Patents
A kind of high sand content water pump choma with the Ni-based diamondite sprayed coating of nanometer Download PDFInfo
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- CN206478036U CN206478036U CN201720081704.5U CN201720081704U CN206478036U CN 206478036 U CN206478036 U CN 206478036U CN 201720081704 U CN201720081704 U CN 201720081704U CN 206478036 U CN206478036 U CN 206478036U
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- Prior art keywords
- nanometer
- choma
- sprayed coating
- pump housing
- diamondite
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Abstract
The utility model provides a kind of high sand content water pump choma with the Ni-based diamondite sprayed coating of nanometer, pump housing choma and impeller port ring including mutual cooperation, the pump housing choma is arranged on the pump housing, the impeller port ring is arranged on impeller, the inner ring surface of the pump housing choma and the external annular surface of impeller port ring are provided with the Ni-based diamondite sprayed coating of nanometer, and the Ni-based diamondite sprayed coating of nanometer is the mixture coating of high cobalt nanometer tungsten carbide and nickel-base alloy.The utility model in pump housing choma inner ring surface and impeller port ring external annular surface surface by setting the Ni-based diamondite sprayed coating of nanometer, using nanometer tungsten carbide and the mixture of nickel-base alloy, hardness is up to HV 1,200 1300, make coating that there is very high hardness and wearability, when being worn away, Hard Inclusion is not allowed easy to fall off, and then extends the service life of choma.
Description
Technical field
The utility model is related to water pump manufacture field, more particularly to a kind of with the Ni-based diamondite spraying of nanometer
The high sand content water pump choma of layer.
Background technology
In water pump manufacturing industry, water pump choma includes the impeller port ring and pump housing choma of water pump, and the two is important sealing
Part, if choma is by erosive wear during use, its sealing property will decline, cause the lift and flow of water pump with
Decline, draw water efficiency and energy consumption is had a strong impact on.
In sand content very high river（Such as Huanghe valley）Water pump station in, the impeller port ring and pump housing choma of water pump
By high pressure, the erosion of high-sand flow, wear and tear very serious, can only typically use 1-2 months, have a strong impact on water pump station
Efficiency and production cost.
Traditional impeller port ring and pump housing choma typically use alloy steel making, and heat treatment hardness only has HRC 50-60, resistance to
Mill property is poor, it is impossible to meet the serious operating mode of erosion.
Therefore, prior art has yet to be improved and developed.
Utility model content
The purpose of this utility model is to provide a kind of high sand content water with the Ni-based diamondite sprayed coating of nanometer
Pumping hole ring, it is intended to which it is poor to solve existing water pump choma wearability, the problem of service life is short.
The technical solution of the utility model is as follows：
A kind of high sand content water pump choma with the Ni-based diamondite sprayed coating of nanometer, includes the pump housing of mutual cooperation
Choma and impeller port ring, the pump housing choma are arranged on the pump housing, and the impeller port ring is arranged on impeller, the pump housing choma
Inner ring surface and the external annular surface of impeller port ring be provided with the Ni-based diamondite sprayed coating of nanometer, the Ni-based carbon of nanometer
Change the mixture coating that tungsten alloy sprayed coating is high cobalt nanometer tungsten carbide and nickel-base alloy.
The described high sand content water pump choma with the Ni-based diamondite sprayed coating of nanometer, wherein, the pump housing mouthful
Corresponding labyrinth seal groove is provided with ring external annular surface and the pump housing.
The described high sand content water pump choma with the Ni-based diamondite sprayed coating of nanometer, wherein, the pump housing mouthful
Ring inner ring surface or impeller port ring external annular surface are lined with rubber.
The described high sand content water pump choma with the Ni-based diamondite sprayed coating of nanometer, wherein, the nano nickel
The thickness of base diamondite sprayed coating is 0.3-0.8mm.
The described high sand content water pump choma with the Ni-based diamondite sprayed coating of nanometer, wherein, the high tenacity
Layer of sand is additionally provided between nanometer tungsten carbide sprayed coating and the steel ring.
The beneficial effects of the utility model are：The utility model provides a kind of with the Ni-based diamondite spraying of nanometer
The high sand content water pump choma of layer, by setting nanometer Ni-based in pump housing choma inner ring surface and impeller port ring external annular surface surface
Diamondite sprayed coating, using nanometer tungsten carbide and the mixture of nickel-base alloy, hardness is up to HV 1200-1300, makes coating
With very high hardness and wearability, when being worn away, Hard Inclusion is not allowed easy to fall off, and then extends the service life of choma, its
Service life extends 3-4 times than traditional water pump choma.In addition, by outside the pump housing choma inner ring surface or impeller port ring
Ring surface lining rubber, further reduces the friction between choma, while enhancing sealing.
Brief description of the drawings
Fig. 1 is the structural representation for the pump housing choma that the utility model is provided.
Fig. 2 is the profile for the body choma that the utility model is provided.
Fig. 3 is the structural representation for the impeller port ring that the utility model is provided.
Accompanying drawing marks explanation：1st, pump housing choma；2nd, impeller port ring；3rd, the Ni-based diamondite sprayed coating of nanometer；4th, labyrinth
Seal groove.
Embodiment
To make the purpose of this utility model, technical scheme and advantage clearer, clear and definite, develop simultaneously implementation referring to the drawings
The utility model is further described example.
Referring to Fig. 1 to Fig. 3, contain for a kind of height with the Ni-based diamondite sprayed coating of nanometer that the utility model is provided
Sand amount water pump choma, includes the pump housing choma 1 and impeller port ring 2 of mutual cooperation, and pump housing choma 1 is arranged on the pump housing, impeller mouthful
Ring 2 is arranged on impeller, and the inner ring surface of pump housing choma 1 and the external annular surface of impeller port ring 2 are provided with the Ni-based carbonization of nanometer
Tungsten alloy sprayed coating 3, the Ni-based diamondite sprayed coating 3 of nanometer is the mixture painting of high cobalt nanometer tungsten carbide and nickel-base alloy
Layer.The thickness of the Ni-based diamondite sprayed coating 3 of nanometer is 0.3-0.8mm.Preferably, the Ni-based diamondite sprayed coating of nanometer
3 are made up of nanometer tungsten carbide and Ni60 alloy powders, and the ratio of nanometer tungsten carbide and the Ni60 alloy powder is 1:1-5W/W.
In actual applications, the Ni-based diamondite sprayed coating 3 of nanometer can be made by following process：The nanometer tungsten carbide and Ni60
Alloy powder is sprayed on the inner ring surface of pump housing choma 1 and the outer shroud of impeller port ring 2 with 2 times of velocities of sound by supersonic spray coating equipment
Surface, forms the preliminary Ni-based diamondite sprayed coating 3 of nanometer, then with oxy-acetylene flame the Ni-based diamondite of nanometer
Sprayed coating 3 is sintered, 1000 DEG C of sintering temperature, makes the Ni-based diamondite sprayed coating 3 of nanometer and choma formation metallurgical binding,
Bond strength reaches more than 200MPA；Nanometer tungsten carbide and nickel-base alloy melt in the Ni-based diamondite sprayed coating 3 of nanometer simultaneously
It is integrated, makes the metallurgical junction of the hard phase such as WC and CrC, CrB and Ni formation high intensity in the Ni-based diamondite sprayed coating 3 of nanometer
Close, when being worn away, Hard Inclusion is not allowed easy to fall off, therefore coating has very high hardness and wearability, and hardness is up to HV 1200-
1300.Simultaneously as in the Ni-based diamondite sprayed coating 3 of nanometer tungsten carbide nanometer phase presence so that the Ni-based carbonization of nanometer
Tungsten alloy sprayed coating 3 has higher toughness, and when being collided by impurity, coating is difficult to collapse de-.Further, since the Ni-based carbon of nanometer
Changing the Ni-based diamondite sprayed coating 3 of nanometer after the very high density of tungsten alloy sprayed coating 3, sintering has smooth initial surface,
It can be used without processing, save substantial amounts of machining expense.
In actual applications, corresponding labyrinth seal groove 4, the pump housing are provided with the external annular surface of pump housing choma 1 and the pump housing
Choma 1 is arranged on the pump housing by labyrinth seal groove 4, while further strengthening its sealing.
Further, the external annular surface of the inner ring surface of pump housing choma 1 and impeller port ring 2 can also set corresponding
Two labyrinth seal grooves, for ensureing the sealing between pump housing choma 1 and impeller port ring 2.
Further, the inner ring surface of impeller port ring 2 threeth labyrinth corresponding with that can also be set on the impeller
Seal groove, for ensureing that impeller port ring 2 can more securely be arranged on the impeller.
As shown in figure 3, in actual applications, impeller port ring 2 can set jagged, facilitate the installation of impeller port ring 2, lead to
Cross the tension force of impeller port ring 2, it is ensured that impeller port ring 2 can be combined closely with pump housing choma 1, further strengthen it
Sealing.
In actual applications, the Ni-based diamondite sprayed coating 3 of nanometer and the inner ring surface of pump housing choma 1 and impeller port ring 2
Sandblasting layer is additionally provided between external annular surface, the sandblasting layer can play a part of cleaning choma surface, while also contributing to receive
Rice tungsten carbide of nickel-base alloy spraying coating 3 is preferably attached on choma.
It should be appreciated that application of the present utility model is not limited to above-mentioned citing, those of ordinary skill in the art are come
Say, can according to the above description be improved or converted, all these modifications and variations should all belong to the appended power of the utility model
The protection domain that profit is required.
Claims (4)
1. a kind of high sand content water pump choma with the Ni-based diamondite sprayed coating of nanometer, it is characterised in that including mutual
The pump housing choma and impeller port ring of cooperation, the pump housing choma are arranged on the pump housing, and the impeller port ring is arranged on impeller, institute
The external annular surface of the inner ring surface and impeller port ring of stating pump housing choma is provided with the Ni-based diamondite sprayed coating of nanometer.
2. the high sand content water pump choma according to claim 1 with the Ni-based diamondite sprayed coating of nanometer, it is special
Levy and be, corresponding labyrinth seal groove is provided with the pump housing choma external annular surface and the pump housing.
3. the high sand content water pump choma according to claim 1 with the Ni-based diamondite sprayed coating of nanometer, it is special
Levy and be, the thickness of the Ni-based diamondite sprayed coating of nanometer is 0.3-0.8mm.
4. the high sand content water pump choma according to claim 1 with the Ni-based diamondite sprayed coating of nanometer, it is special
Levy and be, the inner ring surface and the outer shroud table of impeller port ring of the Ni-based diamondite sprayed coating of nanometer and the pump housing choma
Sandblasting layer is additionally provided between face.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720081704.5U CN206478036U (en) | 2017-01-22 | 2017-01-22 | A kind of high sand content water pump choma with the Ni-based diamondite sprayed coating of nanometer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720081704.5U CN206478036U (en) | 2017-01-22 | 2017-01-22 | A kind of high sand content water pump choma with the Ni-based diamondite sprayed coating of nanometer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206478036U true CN206478036U (en) | 2017-09-08 |
Family
ID=59753796
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720081704.5U Expired - Fee Related CN206478036U (en) | 2017-01-22 | 2017-01-22 | A kind of high sand content water pump choma with the Ni-based diamondite sprayed coating of nanometer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206478036U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115125527A (en) * | 2022-06-23 | 2022-09-30 | 安徽卧龙泵阀股份有限公司 | Chemical plating method for improving wear resistance of water pump overflowing device |
-
2017
- 2017-01-22 CN CN201720081704.5U patent/CN206478036U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115125527A (en) * | 2022-06-23 | 2022-09-30 | 安徽卧龙泵阀股份有限公司 | Chemical plating method for improving wear resistance of water pump overflowing device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| 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: 20170908 Termination date: 20220122 |