CN201194350Y - High-temperature motor shielding enclosure construction for shielding pump - Google Patents
High-temperature motor shielding enclosure construction for shielding pump Download PDFInfo
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- CN201194350Y CN201194350Y CNU2008200742849U CN200820074284U CN201194350Y CN 201194350 Y CN201194350 Y CN 201194350Y CN U2008200742849 U CNU2008200742849 U CN U2008200742849U CN 200820074284 U CN200820074284 U CN 200820074284U CN 201194350 Y CN201194350 Y CN 201194350Y
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Abstract
The utility model relates to a motor shield sealing structure for a high temperature type canned motor pump, which comprises a stator and a rotor, wherein the inner cavity of the stator is equipped with a stator shield cover, the two end surfaces of the stator shield cover are fusion-welded with the inner circle of a stator shield tensioner ring, the outer circle of the stator shield tensioner ring is fusion-welded with a stator shield end plate to form a stator shield sealing structure; and the outer surface of the rotor is covered with a rotor shield cover, the two end surfaces of the rotor shield cover are fusion-welded with the outer circle of a rotor shield tensioner ring at one side of the rotor shield cover, and the inner circle of the rotor shield tensioner ring is fusion-welded with a rotor shield end plate on a rotor shaft to form a rotor shield sealing structure. The utility model not only provides seal guarantee for canceling the circulation water cooling system of a high temperature type canned motor pump and manufacturing a water-free cooling high temperature shield motor, meeting the rigorous shield sealing requirements of shield motor, but also improves construction efficiency, and ensures the product performance and quality.
Description
Technical field
The utility model belongs to canned pump and makes the field, particularly relates to a kind of high temperature modification shielding electric motor for pump shield gasket structure.
Background technology
The canned pump that constitutes one by shield electric machine and pump in the prior art is widely used in industries such as petrochemical industry, medicine, chemical industry, weaving, as high temperature, high pressure, inflammable and explosive, volatile, poisonous, corrosion and special warfare flow sheet equipments such as precious liquid are arranged, guaranteed industrial safety production and industrial environment polluted to have obtained further improvement.At present, the high temperature modification canned pump generally uses water-cooled high temperature modification canned pump, there is following defective in its product: one, motor housing coats water cooling system, must supply water with cooling motor by cooling water recirculation system, so not only can make the shielding pump structure comparatively complicated, and the also increase thereupon that takes up room; Its two, the high-temperature medium that canned pump is carried behind motor cavity, is cooled off the back medium temperature and is descended, and is not suitable for the conveying of high melting point, high crystalline temperature medium; Its three, for the place that require to keep medium temperature in some special process flow process, the temperature that is cooled during by motor because of medium descends, so must set up heating system to improve medium temperature, so increased user's cost in next flow process.
Summary of the invention
The utility model provides a kind of high temperature modification simple in structure, that the raising efficiency of construction also can satisfy canned pump conveying high-temperature medium seal request to shield electric motor for pump shield gasket structure for solving the technical problem that exists in the known technology.
The technical scheme that the utility model is taked for the technical problem that exists in the solution known technology is: high temperature modification shielding electric motor for pump shield gasket structure, comprise stator and rotor, it is characterized in that: bore of stator is equipped with stator can, stator can one side is provided with stator shielding end plate, stator shielding tensioner ring is housed on the stator shielding end plate, stator can two ends end face is connected with stator shielding tensioner ring inner ring respectively, and stator shielding tensioner ring outer ring connects stator shielding end plate to form stator shielding hermetically-sealed construction; Rotor outer surface is set with rotor shielding sleeve, and rotor shielding sleeve two ends end face connects the rotor shielding tensioner ring outer ring that is positioned at rotor shielding sleeve one side respectively, and the rotor that rotor shielding tensioner ring inner ring is connected and installed on the armature spindle shields end plate to form the rotor shield gasket.
The utility model can also adopt following technical scheme:
Described stator shielding tensioner ring is the flute profile circulus, and its tensioner ring inner ring height is less than the outer ring height.
Be shaped on a boss on the described stator shielding end plate, this boss internal diameter equals stator shielding tensioner ring race diameter, and the boss height is greater than stator shielding tensioner ring outer ring height.
Described rotor shielding tensioner ring is the flute profile circulus, and its tensioner ring inner ring height is greater than the outer ring height.
Be shaped on a boss on the described rotor shielding end plate, this boss external diameter equals rotor shielding tensioner ring inner ring diameter, and the boss height is greater than rotor shielding tensioner ring inner ring height.
Described stator can two ends end face and stator shielding tensioner ring inner ring be connected to the melting welding structure, what stator shielding tensioner ring outer ring and stator shielded end plate is connected to the melting welding structure.
Described rotor shielding sleeve two ends end face and rotor shielding tensioner ring outer ring be connected to the melting welding structure, what rotor shielding tensioner ring inner ring and rotor shielded end plate is connected to the melting welding structure.
Advantage and the good effect that the utlity model has are: because the utility model adopts above-mentioned shield gasket structure, can be high temperature modification shielding electric motor for pump cancellation circulating water cooling system, make anhydrous cooling down high-temperature type shield electric machine and provide sealing to ensure.When canned pump is worked, the high-temperature medium of carrying is flowed through and complete machine is heated in the motor cavity, stator shielding tensioner ring and stator can, rotor shielding tensioner ring and rotor shielding sleeve expanded by heating, axial length stretch, because of material all identical---be that thermal coefficient of expansion is identical, the inner ring and the stator can synchro-draw of stator shielding tensioner ring, the outer ring and the also synchro-draw of rotor shielding sleeve of rotor shielding tensioner ring; Stator shielding tensioner ring and stator shielding end plate melting welding position, rotor shielding tensioner ring and rotor shielding end plate melting welding position make the shielding tensioner ring that the expansion space be arranged because of shielding tensioner ring melting welding circle height less than the boss height.More than solved during two shield assembly melting welding position expanded by heating unlike material the thermal coefficient of expansion difference, make stator, rotor shielding sleeve cause the mechanical clearance of stator and rotor to reduce because of expanding too fast and wrinkling and producing to pile up, scouring is broken mutually with rotor for stator, destroy the shielding character of shield electric machine, cause the difficult problems such as winding insulation of leaking and corroding motor.The utility model not only satisfies the requirement of the shield gasket harshness of shield electric machine, but also can improve efficiency of construction, assurance properties of product, quality.
Description of drawings
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is the A portion enlarged drawing of Fig. 1;
Fig. 3 is the B portion enlarged drawing of Fig. 1.
Fig. 4 is the utility model stator tensioner ring structural representation;
Fig. 5 is the vertical view of Fig. 4;
Fig. 6 is the utility model rotor tensioner ring structural representation;
Fig. 7 is the vertical view of Fig. 6.
Among the figure: 1, stator shielding tensioner ring; 2, stator shielding end plate; 3, stator can; 4, stator; 5, rotor shielding tensioner ring 6, rotor shielding end plate; 7, rotor shielding sleeve 8, rotor 9, stator boss 10, rotor boss.
Embodiment
For further understanding summary of the invention of the present utility model, characteristics and effect, exemplify following examples now, and conjunction with figs. is described in detail as follows:
See also Fig. 1-Fig. 7, high temperature modification shielding electric motor for pump shield gasket structure, comprise stator 4 and rotor 8, bore of stator is equipped with stator can 3, stator can one side is provided with stator shielding end plate 2, on stator shielding end plate, be shaped on a boss 9, stator shielding tensioner ring 1 is equipped with in the boss inboard, these boss 9 internal diameters equal stator shielding tensioner ring 1 race diameter, boss 9 height are greater than stator shielding tensioner ring outer ring height, stator can 3 two ends end faces are connected with the 1 inner ring melting welding of stator shielding tensioner ring respectively, and the outer ring melting welding of stator shielding tensioner ring connects stator shielding end plate to form stator shielding hermetically-sealed construction; Described stator shielding tensioner ring is the flute profile circulus, and its tensioner ring inner ring height is less than the outer ring height.Rotor 8 outer surfaces are set with rotor shielding sleeve 7, and rotor shielding sleeve 7 two ends end faces melting welding respectively connect rotor shielding tensioner ring 5 outer rings that are positioned at rotor shielding sleeve one side, and described rotor shielding tensioner ring is the flute profile circulus, and its tensioner ring inner ring height is greater than the outer ring height.Be installed on the rotor shielding end plate 6 on the armature spindle and be shaped on a boss 10, this boss external diameter equals rotor shielding tensioner ring inner ring diameter, and the boss height is greater than rotor shielding tensioner ring inner ring height.Rotor shielding tensioner ring 5 is equipped with in the rotor shielding end plate 6 boss outside, and the 5 inner ring melting welding of rotor shielding tensioner ring connect rotor shielding end plate to form the rotor shield gasket.Described stator shielding tensioner ring, stator can, rotor shielding tensioner ring and four parts of rotor shielding sleeve all adopt stainless steel 1Cr18Ni9Ti material to make, and described stator shielding end plate 2 is stainless steel material with rotor shielding end plate 6 and makes.
As shown in Figure 1, the stator at two ends shielding tensioner ring 1, stator shielding end plate 2 and a stator housing 3 are formed the stator shield gasket, and the dielectric leakage of protective shielding pumping is to bore of stator and corrode stator winding; The rotor shielding tensioner ring 5 at two ends, rotor shielding end plate 6 and a rotor shielding sleeve 7 are formed the rotor shield gasket, the dielectric leakage of protective shielding pumping is to rotor chamber and corrode rotor 8, and above stator shield gasket and rotor shield gasket have constituted the shield gasket of motor jointly.
When shielding pumping high-temperature medium, motor respectively contacts the equal expanded by heating of parts of high-temperature medium, generally selects the stainless sheet steel of 0.4～0.6mm thickness for use because of housing, and linear expansion speed is very fast when being heated, faster than the shielding end plate.
In the stator shield gasket, the inside and outside circle expanded by heating direction of stator shielding tensioner ring 1 as shown in Figure 2.Because of the height of stator shielding end plate boss height greater than stator shielding tensioner ring 1 outer ring, promptly without hindrance in its expansion process, can not cause the generation of its end melting welding place distending phenomenon; Melting welding is carried out in stator shielding tensioner ring 1 inner ring and stator can 3 ends, because of its two material is identical, and the consistent and thermal expansion synchronously of thermal expansion direction, promptly the melting welding position does not have relative stress.
In the rotor shield gasket, the inside and outside circle expanded by heating direction of rotor shielding tensioner ring 4 as shown in Figure 3.Because of the height of rotor shielding end plate boss height greater than rotor shielding tensioner ring 4 inner rings, promptly without hindrance in its expansion process, can not cause the generation of its end melting welding place distending phenomenon; Melting welding is carried out in rotor shielding tensioner ring 4 inner rings and rotor shielding sleeve 7 ends, because of its two material is identical, and the consistent and thermal expansion synchronously of thermal expansion direction, promptly the melting welding position does not have relative stress.
Claims (7)
1. a high temperature modification shields electric motor for pump shield gasket structure, comprise stator and rotor, it is characterized in that: bore of stator is equipped with stator can, stator can one side is provided with stator shielding end plate, stator shielding tensioner ring is housed on the stator shielding end plate, stator can two ends end face is connected with stator shielding tensioner ring inner ring respectively, and stator shielding tensioner ring outer ring connects stator shielding end plate to form stator shielding hermetically-sealed construction; Rotor outer surface is set with rotor shielding sleeve, and rotor shielding sleeve two ends end face connects the rotor shielding tensioner ring outer ring that is positioned at rotor shielding sleeve one side respectively, and the rotor that rotor shielding tensioner ring inner ring is connected and installed on the armature spindle shields end plate to form the rotor shield gasket.
2. high temperature modification shielding electric motor for pump shield gasket structure according to claim 1, it is characterized in that: described stator shielding tensioner ring is the flute profile circulus, and its tensioner ring inner ring height is less than the outer ring height.
3. high temperature modification shielding electric motor for pump shield gasket structure according to claim 1, it is characterized in that: be shaped on a boss on the described stator shielding end plate, this boss internal diameter equals stator shielding tensioner ring race diameter, and the boss height is greater than stator shielding tensioner ring outer ring height.
4. high temperature modification shielding electric motor for pump shield gasket structure according to claim 1, it is characterized in that: described rotor shielding tensioner ring is the flute profile circulus, and its tensioner ring inner ring height is greater than the outer ring height.
5. high temperature modification shielding electric motor for pump shield gasket structure according to claim 1, it is characterized in that: be shaped on a boss on the described rotor shielding end plate, this boss external diameter equals rotor shielding tensioner ring inner ring diameter, and the boss height is greater than rotor shielding tensioner ring inner ring height.
6. high temperature modification shielding electric motor for pump shield gasket structure according to claim 1, it is characterized in that: described stator can two ends end face and stator shielding tensioner ring inner ring be connected to the melting welding structure, what stator shielding tensioner ring outer ring and stator shielded end plate is connected to the melting welding structure.
7. high temperature modification shielding electric motor for pump shield gasket structure according to claim 1, it is characterized in that: described rotor shielding sleeve two ends end face and rotor shielding tensioner ring outer ring be connected to the melting welding structure, what rotor shielding tensioner ring inner ring and rotor shielded end plate is connected to the melting welding structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200742849U CN201194350Y (en) | 2008-04-02 | 2008-04-02 | High-temperature motor shielding enclosure construction for shielding pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200742849U CN201194350Y (en) | 2008-04-02 | 2008-04-02 | High-temperature motor shielding enclosure construction for shielding pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201194350Y true CN201194350Y (en) | 2009-02-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200742849U Expired - Fee Related CN201194350Y (en) | 2008-04-02 | 2008-04-02 | High-temperature motor shielding enclosure construction for shielding pump |
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|---|---|
| CN (1) | CN201194350Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106451888A (en) * | 2016-11-30 | 2017-02-22 | 安徽同华新能源动力股份有限公司 | Three-phase asynchronous motor |
| CN106655544A (en) * | 2016-11-30 | 2017-05-10 | 安徽同华新能源动力股份有限公司 | Three-phase asynchronous motor with large air gap |
| CN108964394A (en) * | 2018-09-05 | 2018-12-07 | 上海核工程研究设计院有限公司 | A kind of high temperature resistant permanent magnet synchronous screen motor suitable for control rod drive mechanism |
| CN111786497A (en) * | 2020-07-15 | 2020-10-16 | 深圳潜行创新科技有限公司 | Underwater outer rotor sand prevention motor and propeller |
-
2008
- 2008-04-02 CN CNU2008200742849U patent/CN201194350Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106451888A (en) * | 2016-11-30 | 2017-02-22 | 安徽同华新能源动力股份有限公司 | Three-phase asynchronous motor |
| CN106655544A (en) * | 2016-11-30 | 2017-05-10 | 安徽同华新能源动力股份有限公司 | Three-phase asynchronous motor with large air gap |
| CN108964394A (en) * | 2018-09-05 | 2018-12-07 | 上海核工程研究设计院有限公司 | A kind of high temperature resistant permanent magnet synchronous screen motor suitable for control rod drive mechanism |
| CN111786497A (en) * | 2020-07-15 | 2020-10-16 | 深圳潜行创新科技有限公司 | Underwater outer rotor sand prevention motor and propeller |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090211 Termination date: 20120402 |