CN103133388B - Canned motorpump housing - Google Patents
Canned motorpump housing Download PDFInfo
- Publication number
- CN103133388B CN103133388B CN201110380056.0A CN201110380056A CN103133388B CN 103133388 B CN103133388 B CN 103133388B CN 201110380056 A CN201110380056 A CN 201110380056A CN 103133388 B CN103133388 B CN 103133388B
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- Prior art keywords
- housing
- stator
- concavo
- loop configuration
- convex loop
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- Motor Or Generator Frames (AREA)
Abstract
A kind of canned motorpump housing, be characterized in: arrange concave-convex annular structure at housing two ends, when housing catches a cold thermal distortion, concave-convex annular structure can produce displacement deformation; Stator can of the present invention (8) by the end (8a) of housing and housing the other end (8e), form with the part (8c) of stator core compression fit and the concavo-convex loop configuration (8b) adjacent with an end (8a) of housing and the concavo-convex loop configuration (8d) adjacent with the other end (8e) of housing.Compared with prior art, the present invention is by improving shield cover structure, the cold and hot drastic change of effective absorption causes housing rapid deformation, solve canned motorpump all parts temperature become uneven, asynchronous and inconsistent cause housing destroy problem, canned motorpump reliability of operation and Security can be improved.
Description
Technical field
The present invention relates to a kind of canned motorpump parts, particularly relate to a kind of canned motorpump housing, belong to fluid-tight transmission technical field.The present invention is mainly used in and requires that the fluid of stationary seal and leak free full-sealing device transmits, and can be used for shielded electric-pump, magnetic drive pump, magnetic agitation reactor, Magnetic valves, Vacuum Magnetic driving arrangement.
Background technique
At present, be applied to the canned motorpump in the fields such as nuclear power, military project, oil, chemical industry, refrigeration, medicine, food and bioengineering, need to adopt complete close measure to be shielded corrosivity, hypertoxicity, radioactivity, inflammable and explosive, volatile and high temperature or precious liquid.By canned motorpump motor and pump combined integrated without revealing the exemplary apparatus that canned motorpump is hermetically sealed magnetic drives, its structure comprises the parts such as bearing and bearing housing of stator and stator can, rotor and Rotor can, outlet box, impeller, the pump housing, casing, thrust disc, rotating shaft, front and back bearings room and inside thereof, owing to there is no motive sealing, achieve transport materials and do not leak completely.The fluid of conveying and the electric component of canned motorpump are kept apart by the stator and rotor housing of canned motorpump motor, and the integrity be in operation and stability directly affect reliability and the Security of manufacturing mechanism.
Practice shows, in canned motorpump different parts because material is different, position is different, different by the time of transmission medium temperature action, the thermal distortion initial time of each parts can different, thermal distortion speed can yardstick that is different, thermal distortion also can be different.Housing is the parts of comparatively early contact transmission medium and thinner thermal distortion speed is higher, in addition the heat of own eddy current loss generation, causes its heat distortion amount comparatively large, makes housing play bulging, wrinkling and leakage of breaking, therefore the security incident caused is much, and consequence is quite serious.
Summary of the invention
Object of the present invention is just the deficiency overcoming prior art existence, uneven, the asynchronous and inconsistent problem causing housing to destroy is become in order to solve traditional canned motorpump all parts temperature, existing shield cover structure is improved, proposes a kind of canned motorpump housing of new structure.The present invention by improve shield cover structure, solve canned motorpump all parts temperature become uneven, asynchronous and inconsistent cause housing destruction problem.
The technical solution that the present invention provides: this canned motorpump housing, is characterized in: arrange irregular loop configuration at housing two ends, when housing catches a cold thermal distortion, concavo-convex loop configuration can produce displacement deformation.
This canned motorpump housing that the present invention provides, includes stator can, is characterized in; The stator can two ends of canned motorpump motor arrange concavo-convex loop configuration.
In order to strengthen the rationality of such scheme, the present invention also comprises following additional technical feature:
The stator can 8 of described canned motorpump housing, by an end 8a of housing and housing the other end 8e, form with the part 8c of stator core compression fit and the concavo-convex loop configuration 8b adjacent with an end 8a of housing and the concavo-convex loop configuration 8d adjacent with the other end 8e of housing.
The stator can 8 of described canned motorpump housing, is provided with radially concavo-convex loop configuration 8b in the one end of not matching with stator core, is beneficial to rotor assembly and loads stator vertically.
The stator can 8 of described canned motorpump housing, its outwards concavo-convex loop configuration 8b is connected with an end 8a of housing so that with the pump housing 1 or end cap 14 welded seal.
The stator can 8 of described canned motorpump housing, the two-part diameter D of an end 8a of its outwards concavo-convex loop configuration 8b and housing
abbe greater than the diameter D of the housing part 8c coordinated with stator core
c1-2mm.
The stator can 8 of described canned motorpump housing, arranges radially inwardly concavo-convex loop configuration 8d at the other end do not matched with stator core, is beneficial to stator can 8 and loads stator core 7 vertically.
The stator can 8 of described canned motorpump housing, its inwardly concavo-convex loop configuration 8d is connected with the other end 8e of housing so that with the pump housing or end cap welded seal.
The stator can 8 of described canned motorpump housing, the two-part diameter D of the other end 8e of its inwardly concavo-convex loop configuration 8d and housing
debe less than the diameter D of the housing part 8c coordinated with stator core
c1-2mm.
Compared with prior art, beneficial effect of the present invention is: the cold and hot drastic change that can be improved effectively absorption housing shape by simple and easy to do shield cover structure of the canned motorpump housing adopting the technology of the present invention to make, avoid canned motorpump all parts temperature become uneven, asynchronous and inconsistent and cause housing to destroy, canned motorpump reliability of operation and Security can be improved.
Accompanying drawing explanation
Fig. 1 is the shield pump structure schematic diagram adopting the embodiment of the present invention;
Fig. 2 is the stator can structural representation of the embodiment of the present invention.
Number in the figure is described as follows:
1 pump housing, 2 bearings, 3 housings, 4 staor winding, 5 static thrust dishes, 6 dynamicthrust dishes, 7 stator cores, 8 stator cans, 9 rotor cores, 10 Rotor cans, 11 rotor windings, 12 dynamicthrust dishes, 13 static thrust dishes, 14 end caps, 15 rotating shafts, 16 rotor shielding end plates
Embodiment
Below in conjunction with drawings and Examples, preferred technique scheme of the present invention is described further:
As shown in Figure 1, an implementing apparatus of the present invention is a kind of universal shield pump, comprises the pump housing 1, bearing 2, housing 3, staor winding 4, static thrust dish 5, dynamicthrust dish 6, stator core 7, stator can 8, rotor core 9, Rotor can 10, rotor windings 11, dynamicthrust dish 12, static thrust dish 13, end cap 14, rotating shaft 15 and rotor shielding end plate 16.
As an optimal technical scheme, canned motorpump stator composition comprises stator core 7, staor winding 4, stator can 8, end cap 14 and casing 3, is connected after assembling with the pump housing 1.Stator core 7 laminates after adopting the japanning of 0.5mm thick silicon steel plate fluting and makes, and staor winding 4 adopts enameled cable to turn to by design form, and in the groove embedding stator core 7 punching after carry out varnished insulation process.
As an optimal technical scheme, the rotor solid of rotation of canned motorpump motor comprises rotor core 9, Rotor can 10, rotor windings 11, dynamicthrust dish 6 and 12, rotor shielding end plate 16 and rotating shaft 15, rotor core 9 laminates after adopting the thick silicon steel plate fluting of 0.5mm and makes, rotor windings 11 forms loop by inserting conductive material in the rotor of punching in rotor core 9, can be Wound-rotor type and squirrel-cage; Rotor can 10 to be altogether unjustifiable magnetic, high resistance, high strength and good weldability stainless steel SUS316L plate or Hastelloy-C (Kazakhstan-C) alloy-steel plate reel welding forming or mould pressing jointless structure by 0.5mm; Rotor can 10 two ends and stainless steel rotor after press-in rotor core 9 cylindrical shield end plate 16 and rotating shaft 15 welded seal.Rotor shielding end plate 16 adopts non-magnetic stainless steel SUS316L or Hastelloy-C (Kazakhstan-C) alloy-steel plate to make, and rotating shaft 15 adopts the round steel turnery processing of 1Cr18Ni9Ti or 1Cr17Ni2 material to make.
As shown in Figure 2, a preferred embodiment of the present invention is a kind of stator can 8 of universal shield pump, comprises the other end 8e of an end 8a of housing and housing, the part 8c with stator core compression fit, the concavo-convex loop configuration 8b adjacent with an end 8a of housing and the concavo-convex loop configuration 8d adjacent with the other end 8e of housing.
As an optimal technical scheme, stator can 8 adopts spin forming technique and technique to make the seamless entirety of the irregular loop configuration of band by be altogether unjustifiable magnetic, high resistance, high strength and good weldability stainless steel SUS316L plate or Hastelloy-C (Kazakhstan-C) alloy-steel plate of 0.5mm; Stator can 8 is passed axially through stator core 7 with the other end 8e of radially inwardly concavo-convex loop configuration part 8d, the part 8c coordinated with stator core in the middle part of housing 8 is pressed into stator core 7 and drive fit with it, or adopts rolling expansion mould by the part 8c tensioner that coordinates with stator core in the middle part of housing 8 to stator core 7 inner circle; One end 8a of stator can 8 and the other end 8e of housing respectively with the pump housing 1 and end cap 14 welded seal.
As an optimal technical scheme, embodiment's canned motorpump stator can 8, the two-part diameter D of an end 8a of its outwards concavo-convex loop configuration 8b and housing
abbe greater than the diameter D of the housing part 8c coordinated with stator core 7
cfor 2mm.
As an optimal technical scheme, embodiment's canned motorpump stator can 8, the two-part diameter D of the other end 8e of its inwardly concavo-convex loop configuration 8d and housing
debe less than the diameter D of the housing part 8c coordinated with stator core 7
cfor 2mm.
Claims (1)
1. a canned motorpump housing, include stator can (8), it is characterized in that: be provided with the concavo-convex loop configuration that can produce displacement deformation when housing catches a cold thermal distortion at housing two ends, the end (8a) of described stator can (8) by housing and the other end (8e) of housing, form with the part (8c) of stator core compression fit and the concavo-convex loop configuration (8b) adjacent with an end (8a) of housing and the concavo-convex loop configuration (8d) adjacent with the other end (8e) of housing, wherein:
One end that stator can (8) does not match with stator core (7) is provided with radially concavo-convex loop configuration (8b), is beneficial to rotor assembly and loads stator vertically;
Outwards concavo-convex loop configuration (8b) is connected with an end (8a) of the housing with the pump housing (1) or end cap (14) welded seal;
The other end do not matched with stator core (7) at stator can (8) is provided with radially inwardly concavo-convex loop configuration (8d), is beneficial to stator can (8) and loads stator core (7) vertically;
Radially inwardly concavo-convex loop configuration (8d) is connected with the other end (8e) of housing, so as with the pump housing (1) or end cap (14) welded seal;
The two-part diameter D in one end (8a) of described outwards concavo-convex loop configuration (8b) and the housing be connected
abbe greater than the diameter D of the housing part (8c) coordinated with stator core (7)
c1-2mm;
The two-part diameter D in the other end (8e) of described radially inwardly concavo-convex loop configuration (8d) and the housing be connected
debe less than the diameter D of the housing part (8c) coordinated with stator core (7)
c1-2mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110380056.0A CN103133388B (en) | 2011-11-25 | 2011-11-25 | Canned motorpump housing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110380056.0A CN103133388B (en) | 2011-11-25 | 2011-11-25 | Canned motorpump housing |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103133388A CN103133388A (en) | 2013-06-05 |
| CN103133388B true CN103133388B (en) | 2016-02-10 |
Family
ID=48493677
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110380056.0A Expired - Fee Related CN103133388B (en) | 2011-11-25 | 2011-11-25 | Canned motorpump housing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103133388B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104214109B (en) * | 2013-06-03 | 2018-04-27 | 浙江三花制冷集团有限公司 | A kind of circulating pump |
| CN109950986B (en) * | 2017-12-21 | 2021-04-02 | 有研工程技术研究院有限公司 | Method for improving stability of stator shielding sleeve of shielding motor |
| CN110067755A (en) * | 2018-01-24 | 2019-07-30 | 无锡盛邦电子有限公司 | A kind of novel electronic water pump |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2369059Y (en) * | 1999-03-18 | 2000-03-15 | 胜利石油管理局勘察设计研究院 | Universal anti-earthquate wave compensator |
| RU2219420C2 (en) * | 2002-01-11 | 2003-12-20 | Общество с ограниченной ответственностью "МАКСПРОМ" | Bellows |
| CN201910675U (en) * | 2010-11-25 | 2011-07-27 | 沈阳工业大学 | Energy-saving and consumption-reducing canned motor pump motor |
| CN202040486U (en) * | 2011-01-19 | 2011-11-16 | 湖北贵族真空科技股份有限公司 | Multilayer single vacuum compound insulated tube |
| CN202391786U (en) * | 2011-11-25 | 2012-08-22 | 沈阳工业大学 | Shielding sleeve for shield pump |
-
2011
- 2011-11-25 CN CN201110380056.0A patent/CN103133388B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2369059Y (en) * | 1999-03-18 | 2000-03-15 | 胜利石油管理局勘察设计研究院 | Universal anti-earthquate wave compensator |
| RU2219420C2 (en) * | 2002-01-11 | 2003-12-20 | Общество с ограниченной ответственностью "МАКСПРОМ" | Bellows |
| CN201910675U (en) * | 2010-11-25 | 2011-07-27 | 沈阳工业大学 | Energy-saving and consumption-reducing canned motor pump motor |
| CN202040486U (en) * | 2011-01-19 | 2011-11-16 | 湖北贵族真空科技股份有限公司 | Multilayer single vacuum compound insulated tube |
| CN202391786U (en) * | 2011-11-25 | 2012-08-22 | 沈阳工业大学 | Shielding sleeve for shield pump |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103133388A (en) | 2013-06-05 |
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Granted publication date: 20160210 Termination date: 20181125 |
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