CN220067067U - Water-cooled motor for pump in pipe - Google Patents
Water-cooled motor for pump in pipe Download PDFInfo
- Publication number
- CN220067067U CN220067067U CN202321628066.6U CN202321628066U CN220067067U CN 220067067 U CN220067067 U CN 220067067U CN 202321628066 U CN202321628066 U CN 202321628066U CN 220067067 U CN220067067 U CN 220067067U
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- China
- Prior art keywords
- motor
- rotor
- sleeve
- embedded
- end cover
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- 230000000712 assembly Effects 0.000 claims abstract description 3
- 238000000429 assembly Methods 0.000 claims abstract description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 12
- 239000000919 ceramic Substances 0.000 claims description 12
- 229910002804 graphite Inorganic materials 0.000 claims description 12
- 239000010439 graphite Substances 0.000 claims description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 5
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 239000003921 oil Substances 0.000 description 9
- 239000004576 sand Substances 0.000 description 6
- 239000004575 stone Substances 0.000 description 6
- 238000007789 sealing Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 239000010687 lubricating oil Substances 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 238000004078 waterproofing Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Landscapes
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model discloses a water-cooled motor for an in-pipe pump, which comprises a motor casing, a rotor casing arranged in the motor casing and a stator which is arranged in the motor casing and wrapped on the periphery of the rotor casing, wherein a rotor and a rotating shaft arranged in the center of the rotor are arranged in the rotor casing, and symmetrical end cover assemblies are arranged at two ends of the motor casing, and each end cover assembly comprises an embedded seat body and an end cover; the rotor shell is matched with a mounting hole which is opposite to the center of the embedded seat body, and the end face of the rotor shell passes through the mounting hole and is flush with the outer end face of the embedded seat body; the end cover comprises a flange plate and an embedding sleeve, the embedding sleeve comprises a round table sleeve and a straight barrel sleeve, the whole end cover is inserted into an inner hole of the rotor shell, and the outer diameter of the straight barrel sleeve is larger than or equal to the inner diameter of the inner hole of the rotor shell. The water-cooled motor for the pump in the pipe, provided by the utility model, has the advantages that the motor shell, the end cover and the rotor shell are coaxial and concentric, so that the performance of the motor in working is greatly improved, and the problems of loud noise and unsmooth operation caused by insufficient concentricity are avoided.
Description
Technical Field
The utility model belongs to the technical field of motors, and particularly relates to a water-cooled motor for a pump in a pipe.
Background
The pump in the pipe is a submersible pump used in a pipeline and is generally provided with a multi-stage impeller, so that high-pressure conveying can be realized, and high lift can be ensured. Specifically, the pump in the pipe comprises a motor and a pump shell arranged right above the motor, wherein a motor shaft of the motor penetrates into the pump shell upwards and is provided with a plurality of impellers which are longitudinally and uniformly distributed. The existing motor for the pump in the pipe is characterized in that a motor shell, a rotor and a motor end cover are connected through a welding process, concentricity cannot be guaranteed, and therefore the working efficiency of the motor is poor.
In addition, conventional motors are typically equipped with fans, which increase the noise of the operation of the motor, and the pump-in-tube motor is integrally disposed within the casing of the pump-in-tube, i.e.: in water, and the pump in the pipe uses under deep well environment, then can unavoidable meeting sand and stone, in order to avoid external sand and stone to get into pump motor rotor intracavity in the pipe through the clearance between shaft hole inner wall and the motor shaft outer wall, then can set up the skeleton oil blanket in the shaft hole position, play sealed effect through the skeleton oil blanket, in the actual sealed in-process of skeleton oil blanket, there is some sand and stone still can flow to the sealed position of skeleton oil blanket inner wall and motor shaft outer wall, then can produce the rotation force when the motor shaft rotates, some sand and stone then can be under the drive of rotation force with the sealed position of skeleton oil blanket inner wall and motor shaft outer wall constantly rubs, finally cause the wearing and tearing of skeleton oil blanket inner wall, in case skeleton oil blanket inner wall wearing and tearing, the sealed effect can be lost to the skeleton oil blanket, external sand and stone then can leak to pump motor rotor intracavity in the pipe through the shaft hole pump motor inner part in the pipe erodes, influence the life of pump motor in the pipe, consequently only rely on the sealed effect of skeleton oil blanket extremely difficult assurance sand and stone can't leak to pump motor rotor intracavity in the pipe.
Disclosure of Invention
The utility model aims to solve the technical problem of providing a water-cooled motor for a pump in a pipe, which not only can ensure concentricity among a motor shell, a rotor and a motor end cover, but also improves tightness between a rotating shaft and a shaft hole of the end cover, and prevents sediment from entering an inner cavity of the motor, thereby greatly prolonging the service life.
The technical scheme adopted for solving the technical problems is as follows:
the utility model discloses a water-cooled motor for an in-pipe pump, which comprises a motor casing, a rotor casing arranged in the motor casing and a stator which is arranged in the motor casing and wrapped on the periphery of the rotor casing, wherein a rotor and a rotating shaft arranged in the center of the rotor are arranged in the rotor casing; the rotor shell is matched with a mounting hole which is opposite to the center of the embedded seat body, and the end face of the rotor shell passes through the mounting hole and is flush with the outer end face of the embedded seat body; the end cover comprises a flange plate and an embedded sleeve, the embedded sleeve comprises a round platform sleeve and a straight cylinder sleeve, the whole is inserted into an inner hole of the rotor shell, and the outer diameter of the straight cylinder sleeve is larger than or equal to the inner diameter of the inner hole of the rotor shell; the flange plate is fixed on the embedded seat body through bolts.
Compared with the prior art, the water-cooled motor for the pump in the pipe can ensure the concentricity of the motor shell, the rotor and the end cover by only ensuring the concentricity of the mounting hole in the center of the embedded seat body and the outer circumference and the concentricity of the outer circumference of the embedded sleeve of the end cover and the shaft hole of the embedded sleeve, so that the problem of unsmooth operation caused by insufficient concentricity is avoided, and the service life of the motor is influenced; moreover, inlay and establish and be interference fit's installation design between cover and the rotor shell, can improve the assembly efficiency of end cover, rotor shell and embedded pedestal greatly, because the end cover can make other two spare parts quick obtain the location.
The flange plate is embedded into the embedded groove of the outer end face of the embedded seat body.
The flange plate is matched with the caulking groove, so that the end face of the whole motor is smooth, and the assembly space of other parts is facilitated while the appearance is attractive.
The circular truncated cone sleeve is provided with a plurality of accommodating grooves uniformly distributed on the circumference, and the accommodating grooves are open grooves formed radially outwards, wherein the end face of the circular truncated cone sleeve axially extends to the interface between the circular truncated cone sleeve and the straight cylinder sleeve.
The design of the accommodating groove firstly reduces the weight of the end cover; second, can hold a little lubricating oil, when installing or dismantling the end cover, can be more smooth.
The rotary shaft penetrates through the shaft hole of the end cover, the ceramic graphite sleeve is embedded in the shaft hole, and the rotary shaft is matched in the ceramic graphite sleeve.
The surface seal is formed between the rotating shaft and the ceramic graphite sleeve, meanwhile, the ceramic graphite sleeve has an anti-abrasion function, and the rotating shaft can select a smooth function in the ceramic graphite sleeve; and the noise generated during operation is greatly reduced.
Two symmetrical clamping grooves are formed in the outer peripheral surface of the flange plate.
The design of draw-in groove is for when later maintenance, adopts specialized tool to carry out quick dismantlement to the end cover.
The beneficial effects of the utility model are as follows:
compared with the prior art, the water-cooled motor for the pump in the pipe, provided by the utility model, has the advantages that the motor shell (embedded seat body), the end cover and the rotor shell are coaxial and concentric, so that the performance of the motor in working is greatly improved, and the problems of loud noise and unsmooth operation caused by insufficient concentricity are avoided.
Drawings
FIG. 1 is a perspective view of a water-cooled motor for a pump in a tube in accordance with the present utility model;
FIG. 2 is an exploded perspective view of a water-cooled motor for a pump in a tube in accordance with the present utility model;
fig. 3 is a perspective view of an end cap of a water-cooled motor for a pump in a tube according to the present utility model.
Detailed Description
The utility model is described in further detail below with reference to the attached drawings and detailed description:
referring to fig. 1 to 3, the present utility model provides a water-cooled motor for a pump in a tube, which includes a motor casing 1, a rotor casing 2 disposed in the motor casing 1, and a stator 3 disposed in the motor casing 1 and wrapped around the rotor casing 2.
The rotor shell 2 is internally provided with a rotor 4 and a rotating shaft 5 arranged in the center of the rotor 4, the rotor shell 2 plays a role in sealing and waterproofing the rotor 4 in the motor shell, more shielding functions are realized, two ends of the motor shell 1 are provided with symmetrical end cover assemblies 6, each end cover assembly 6 comprises an embedded type base 7 and an end cover 8, the embedded type base 7 and the motor shell 1 are fixedly connected through screws, namely, the end cover 8 and the embedded type base 7 are fixedly connected through screws, and after the embedded type base 7 is embedded and fixed in the motor shell 1, the end faces of the stator 3 can be pressed and fixed; the end cover 8 comprises a flange plate 9 and an embedded sleeve 10, the flange plate 9 is embedded into an embedded groove 11 on the outer end face of the embedded seat body 7, the embedded sleeve 10 comprises a round platform sleeve 12 and a straight barrel sleeve 13, the whole body of the embedded sleeve is inserted into an inner hole of the rotor shell 2, the outer diameter of the straight barrel sleeve 13 is larger than or equal to the inner diameter of the inner hole of the rotor shell 2, the maximum outer diameter of the round platform sleeve 12 is equal to the outer diameter of the straight barrel sleeve 13, and the end face of the maximum outer diameter of the round platform sleeve 12 and the end face of the straight barrel sleeve 13 are connecting faces; the flange plate 9 is fixed on the embedded seat body 7 through bolts, the rotor shell 2 is matched with a mounting hole 14 which is opposite to the center of the embedded seat body 7, and the end face of the rotor shell 2 passes through the mounting hole 14 and is flush with the end face of the embedded groove 11 of the embedded seat body 7.
In order to further improve the sealing performance, a sealing ring, a sealing gasket and the like can be adopted between the embedded type base 7 and the motor casing 1 and between the end cover 8 and the embedded type base 7.
The circular truncated cone sleeve 12 is provided with a plurality of containing grooves 15 uniformly distributed on the circumference, and the containing grooves 15 are open grooves formed radially outwards, wherein the end surface of the circular truncated cone sleeve 12 extends to the interface between the circular truncated cone sleeve 12 and the straight barrel sleeve 13 along the axial direction.
The design of the accommodating groove 15 firstly reduces the weight of the end cover 8; secondly, a small amount of lubricating oil can be accommodated, and the lubricating oil can be more smoothly removed when the end cover 8 is mounted or dismounted; third, during assembly, the round platform sleeve 12 serves as a guide sleeve, that is, when the embedding sleeve 10 of the end cover 8 is inserted into the rotor shell 2, the round platform sleeve 12 has a guide effect, so that in order to avoid overlarge contact area between the round platform sleeve 12 and the outer edge of the inner wall of the rotor shell 2, the friction force is large, and therefore, the contact area of the accommodating groove 15 can be greatly reduced, and therefore, the installation efficiency and the installation accuracy are improved.
The rotating shaft 5 passes through the shaft hole 16 of the end cover 8, a ceramic graphite sleeve 17 is embedded in the shaft hole 16, and the rotating shaft 5 is matched in the ceramic graphite sleeve 17.
The surface seal is formed between the rotating shaft 5 and the ceramic graphite sleeve 17, meanwhile, the ceramic graphite sleeve 17 has an anti-abrasion function, and the rotating shaft 5 can select a smooth function in the ceramic graphite sleeve 17; and the noise generated during operation is greatly reduced.
In the later maintenance, if the end cover 8 is to be disassembled, the outer end face of the end cover 8 is flush with the outer end face of the embedded seat body 7, and the end cover is inconvenient to take out, so that two symmetrical clamping grooves 18 are formed in the outer peripheral face of the flange plate 9, and a special tool is adopted to rapidly disassemble the end cover.
In summary, the water-cooled motor for the in-pipe pump of the utility model can ensure the concentricity of the motor casing 1, the embedded seat 7, the rotor casing 2, the rotating shaft 5 of the rotor 4 and the end cover 8 while ensuring the sealing performance, thereby greatly improving the overall performance of the motor.
The water-cooled motor for the pump in the pipe provided by the embodiment of the utility model is described in detail, and specific examples are applied to the principle and the implementation mode of the utility model, and the description of the above embodiments is only used for helping to understand the technical scheme disclosed by the utility model; meanwhile, as those skilled in the art will have variations in the specific embodiments and application scope in accordance with the ideas of the present utility model, the present description should not be construed as limiting the present utility model in view of the above.
Claims (5)
1. The utility model provides a water-cooled motor for pump in pipe, includes the motor casing, sets up the rotor shell in the motor casing and is in the stator of parcel in rotor shell periphery in the motor casing, be equipped with the rotor in the rotor shell and establish the pivot at rotor center, its characterized in that: the motor comprises a motor shell, and is characterized in that symmetrical end cover assemblies are arranged at two ends of the motor shell, each end cover assembly comprises an embedded seat body and an end cover, and the embedded seat bodies are embedded and fixed in the motor shell, so that the end faces of the stator are pressed and fixed; the rotor shell is matched with a mounting hole which is opposite to the center of the embedded seat body, and the end face of the rotor shell passes through the mounting hole and is flush with the outer end face of the embedded seat body; the end cover comprises a flange plate and an embedded sleeve, the embedded sleeve comprises a round platform sleeve and a straight cylinder sleeve, the whole is inserted into an inner hole of the rotor shell, and the outer diameter of the straight cylinder sleeve is larger than or equal to the inner diameter of the inner hole of the rotor shell; the flange plate is fixed on the embedded seat body through bolts.
2. A water cooled motor for a pump in a pipe as claimed in claim 1, wherein: the flange plate is embedded into the embedded groove of the outer end face of the embedded seat body.
3. A water cooled motor for a pump in a pipe as claimed in claim 1, wherein: the circular truncated cone sleeve is provided with a plurality of accommodating grooves uniformly distributed on the circumference, and the accommodating grooves are open grooves formed radially outwards, wherein the end face of the circular truncated cone sleeve axially extends to the interface between the circular truncated cone sleeve and the straight cylinder sleeve.
4. A water cooled motor for a pump in a pipe as claimed in claim 1, wherein: the rotary shaft penetrates through the shaft hole of the end cover, the ceramic graphite sleeve is embedded in the shaft hole, and the rotary shaft is matched in the ceramic graphite sleeve.
5. A water cooled motor for a pump in a pipe as claimed in claim 1, wherein: two symmetrical clamping grooves are formed in the outer peripheral surface of the flange plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321628066.6U CN220067067U (en) | 2023-06-25 | 2023-06-25 | Water-cooled motor for pump in pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321628066.6U CN220067067U (en) | 2023-06-25 | 2023-06-25 | Water-cooled motor for pump in pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220067067U true CN220067067U (en) | 2023-11-21 |
Family
ID=88767265
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321628066.6U Active CN220067067U (en) | 2023-06-25 | 2023-06-25 | Water-cooled motor for pump in pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220067067U (en) |
-
2023
- 2023-06-25 CN CN202321628066.6U patent/CN220067067U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |