CN203441771U - Mine submersible electric pump with radial guide vane - Google Patents
Mine submersible electric pump with radial guide vane Download PDFInfo
- Publication number
- CN203441771U CN203441771U CN201320512569.7U CN201320512569U CN203441771U CN 203441771 U CN203441771 U CN 203441771U CN 201320512569 U CN201320512569 U CN 201320512569U CN 203441771 U CN203441771 U CN 203441771U
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- CN
- China
- Prior art keywords
- pump
- submersible electric
- guide vane
- stator
- radial guide
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model provides a mine submersible electric pump with a radial guide vane, and belongs to the field of submersible electric pumps. The mine submersible electric pump comprises a motor assembly and a pump assembly, wherein the motor assembly and the pump assembly are arranged on a base in an up-down mode. The motor assembly comprises a winding stator iron core, a rotor, an upper bearing base and a lower bearing base, the pump assembly comprises a pump shaft, a pump body and an impeller, the upper portion of the base is fixedly connected to the lower portion of an outer shell through a bolt, the upper portion of the outer shell is connected with a wire outlet box cover through a bolt, the wire outlet box cover is sequentially and downwards connected with the upper bearing base, the shell, the lower bearing base and a sealing chamber cover through bolts, the lower bearing base is sequentially connected with a volute, the pump body and a pump cover through bolts, a mechanical seal is arranged between the lower bearing base and the sealing chamber cover, the impeller is in key connection with the pump shaft, the radial guide vane is disposed in the pump body, an anti-rotation screw is arranged on the pump body, and the end face of the radial guide vane is supported by the spigot end face of the pump cover. The mine submersible electric pump can improve hydraulic efficiency, improve corrosion resistance of the radial guide vane and prolong service life of the radial guide vane.
Description
Technical field
The utility model relates to a kind of Submerged Motor Pumps, and specifically a kind of have a radially mining submersible electric pump of stator.
Background technique
At present, there are a lot of problems in mining submersible electric pump on project organization, such as the structure problem of stator.Now the guide vane structure of mining submersible electric pump is all relatively simple, although convenient for production, use the hydraulic efficiency of mining submersible electric pump of this stator simple in structure not high, be difficult to meet user's actual demand.On the other hand, in the normally used environment of mining submersible electric pump, the medium of user's discharge is the sewage that contains acid, alkali mostly, these sewage can corrode the stator in mining submersible electric pump, the material of stator is generally spheroidal graphite cast iron, and the decay resistance of spheroidal graphite cast iron is only second to gray cast iron, in this process that just makes stator dispose of sewage at mining diving pump, is very easily corroded, affect the normal operation of mining submersible electric pump, reduce the working life of mining submersible electric pump.Along with mining submersible electric pump application extensively, existing Submerged Motor Pumps is more and more difficult to meet every demand of user.
Summary of the invention
Technical assignment of the present utility model is for the deficiencies in the prior art, and a kind of radially mining submersible electric pump of stator that has that can improve better hydraulic efficiency, increase water pump working life and can effectively reduce corrosion is provided.
The utility model solves the technological scheme that its technical problem adopts:
Have a radially mining submersible electric pump for stator, comprise the electric machine assembly and the pump assembly that are arranged in up and down on base, described electric machine assembly includes winding stator core, rotor and upper and lower bearing support, and described pump assembly comprises pump shaft, the pump housing, impeller.Described base top is bolted is fixed on outer casing underpart, shell upper is bolted on wire outlet box cover, described wire outlet box cover is also connecting upper bearing bracket, housing, step and sealing chamber cap downwards successively by bolt, described step is also connecting spiral case, the pump housing, pump cover successively by bolt, between described step and sealing chamber cap, there is mechanical seal, described impeller key is connected on pump shaft, radial guiding leaf is housed in the described pump housing, on the pump housing, be equipped with anti-turn screw, described radial guiding end of blade face is supported by the seam end face of pump cover.
The material of described radially stator is austenite 304 stainless steels.
Compared with prior art, the beneficial effect producing is a kind of mining submersible electric pump with stator radially of the present utility model:
The utility model adopts stator radially to improve the water conservancy efficiency (improving 3 ﹪～5 ﹪ than the hydraulic efficiency of general mining diving pump) of mining diving pump, extended the working life of mining submersible electric pump, adopt austenite 304 stainless steels to make its outward appearance beautiful, have good corrosion resistance, they have met user's actual demand simultaneously.
Accompanying drawing explanation
Accompanying drawing 1 is structural representation of the present utility model.
In figure: 1. cable, 2. wire outlet box cover, 3. upper bearing bracket, 4. bearing, 5. housing, 6. shell, 7. have winding stator core, 8. rotor, 9. step, 10. radially stator, 17. front impellers, 18. pump covers, 19. bases of bearing, 11. mechanical seals, 12. sealing chamber caps, 13. spiral cases, 14. impellers, 15. pump housings, 16..
Embodiment
Below in conjunction with 1 pair of the utility model of accompanying drawing, do the detailed description of following embodiment.
As shown in Figure 1, the utility model provides a kind of radially mining submersible electric pump of stator that has, comprise the electric machine assembly and the pump assembly that are arranged in up and down on base 19, described electric machine assembly includes winding stator core 7, rotor 8, upper bearing bracket 3 and step 9, and described pump assembly comprises pump shaft, the pump housing 15, impeller.Described base 19 tops are bolted is fixed on shell 6 bottoms, shell 6 tops are bolted on wire outlet box cover 8, described wire outlet box cover 8 is also connecting upper bearing bracket 3 downwards successively by bolt, housing 5, step 9 and sealing chamber cap 12, described step 9 is also connecting spiral case 13 successively by bolt, the pump housing 15, pump cover 18, between described step 9 and sealing chamber cap 12, there is mechanical seal 11, described impeller key is connected on pump shaft, in the described pump housing 15, radial guiding leaf 16 is housed, and be equipped with anti-turn screw on the pump housing 15, radially stator 16 end faces are supported by the seam end face of pump cover 18, radially stator 16 materials are austenite 304 stainless steels.
During mining submersible electric pump work, when liquid is flowed through radially stator 16, radially the guide vane in stator 16 is pressed into liquid impeller from annular space, return guide vane is also introduced liquid the suction chamber of subordinate's impeller except this effect, and then the hydraulic efficiency of raising mining submersible electric pump, meet user's actual need.
A kind of radially mining submersible electric pump of stator that has of the present utility model, its processing and fabricating is simple and convenient, processing and fabricating shown in by specification accompanying drawing.
Except the technical characteristics described in specification, be the known technology of those skilled in the art.
Claims (2)
1. one kind has the radially mining submersible electric pump of stator, comprise the electric machine assembly and the pump assembly that are arranged in up and down on base (19), described electric machine assembly includes winding stator core (7), rotor (8), upper bearing bracket (3) and step (9), described pump assembly comprises pump shaft, the pump housing (15), impeller, it is characterized in that: described base (19) top is bolted is fixed on shell (6) bottom, shell (6) top is bolted on wire outlet box cover (8), described wire outlet box cover (8) is also connecting upper bearing bracket (3) downwards successively by bolt, housing (5), step (9) and sealing chamber cap (12), described step (9) is also connecting spiral case (13) successively by bolt, the pump housing (15), pump cover (18), between described step (9) and sealing chamber cap (12), there is mechanical seal (11), described impeller key is connected on pump shaft, radial guiding leaf (16) is housed in the described pump housing (15), the pump housing is equipped with anti-turn screw on (15), described radially stator (16) end face is supported by the seam end face of pump cover (18).
2. a kind of radially mining submersible electric pump of stator that has according to claim 1, is characterized in that: radially stator (16) adopts austenite 304 stainless steels to make.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320512569.7U CN203441771U (en) | 2013-08-22 | 2013-08-22 | Mine submersible electric pump with radial guide vane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320512569.7U CN203441771U (en) | 2013-08-22 | 2013-08-22 | Mine submersible electric pump with radial guide vane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203441771U true CN203441771U (en) | 2014-02-19 |
Family
ID=50092830
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320512569.7U Expired - Fee Related CN203441771U (en) | 2013-08-22 | 2013-08-22 | Mine submersible electric pump with radial guide vane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203441771U (en) |
-
2013
- 2013-08-22 CN CN201320512569.7U patent/CN203441771U/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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140219 Termination date: 20160822 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |