CN216312820U - Permanent magnet synchronous motor of multipurpose rodless driving liquid pumping equipment - Google Patents
Permanent magnet synchronous motor of multipurpose rodless driving liquid pumping equipment Download PDFInfo
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- CN216312820U CN216312820U CN202122504080.2U CN202122504080U CN216312820U CN 216312820 U CN216312820 U CN 216312820U CN 202122504080 U CN202122504080 U CN 202122504080U CN 216312820 U CN216312820 U CN 216312820U
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Abstract
The utility model discloses a permanent magnet synchronous motor of a multipurpose rodless driving liquid pumping device, which comprises a rotor, an upper end connecting shell, a lower end connecting shell and a stator, wherein the upper end connecting shell and the lower end connecting shell are respectively arranged at the left end and the right end of the stator, the upper end connecting shell and the lower end connecting shell are connected in a sealing way, the inner side of the stator is provided with a winding, the stator, the upper end connecting shell and the lower end connecting shell are internally connected with a rotor through a bearing, the outer side of the rotor is provided with magnetic steel corresponding to the winding of the stator, a mechanical seal is respectively arranged between the two ends of the rotor and the upper end connecting shell and the lower end connecting shell, can be fixed to external sensor connection through the sensor spread groove, can make well liquid pass through in the middle of the motor through the logical liquid hole of rotor, adaptability is good, compact structure can satisfy the oil field to the demand of the inside pressure monitoring of oil pumping pipe.
Description
Technical Field
The utility model relates to the technical field of permanent magnet synchronous motors, in particular to a permanent magnet synchronous motor of a multipurpose rodless driving liquid pumping device.
Background
The well condition of the oil well in the oil field is complex, and if the oil pumping pipe is blocked and other faults occur, the safety and the yield of the oil well are directly influenced, so that whether the oil pumping pipe is in fault or not can be rapidly and directly judged, and the method is of great importance for the oil well. However, some existing oil pumping equipment cannot be provided with a downhole sensor, and some existing oil pumping equipment can be provided with the downhole sensor but only can measure the casing pressure of an oil well, and cannot directly measure the pressure of an oil pumping pipe.
Disclosure of Invention
The utility model aims to overcome the defects in the prior art, provides the permanent magnet synchronous motor of the multipurpose rodless driving liquid pumping equipment, has good adaptability and compact structure, can meet the requirement of an oil field on the internal pressure monitoring of the oil pumping pipe, and can effectively solve the problems in the background technology.
In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a permanent magnet synchronous motor of multipurpose rodless drive drawing liquid equipment, connects shell, lower extreme including rotor, upper end and connects shell and stator, both ends are equipped with the upper end respectively about the stator and connect shell and lower extreme and connect the shell, and the upper end is connected between shell and the lower extreme and is connected sealing connection between the shell, and the inboard of stator is equipped with the winding, and stator, upper end are connected between the inside that shell and lower extreme are connected the shell and are connected the rotor through the bearing, and the outside of rotor is equipped with the magnet steel that corresponds with the winding of stator, and the both ends and the upper end of rotor are connected between shell and the lower extreme and are connected the shell and be equipped with a mechanical seal respectively.
Further, the rotor is including setting up the inside lower extreme rotor of shell is connected at the lower extreme, and the left end of lower extreme rotor is connected with the upper end rotor through threaded connection's mode, is equipped with the same liquid hole that leads to in the middle of upper end rotor and the lower extreme rotor, and the left end side of upper end rotor is equipped with out the liquid hole, makes more convenient to the motor assembly through upper end rotor and lower extreme rotor.
Furthermore, the right-hand member that the shell was connected to the lower extreme is equipped with the feed liquor hole, connects the feed liquor hole on the shell through the lower extreme and can lead to the liquid through hole inside of rotor with liquid.
Further, the left end inboard that the shell was connected to the upper end is equipped with the sensor spread groove, can be fixed to external sensor connection through the sensor spread groove.
Compared with the prior art, the utility model has the beneficial effects that: this permanent magnet synchronous motor of no pole drive equipment of drawing liquid of multipurpose can be connected fixedly to outside sensor through the sensor spread groove, can make well liquid pass through in the middle of the motor through the logical liquid hole of rotor, and adaptability is good, and compact structure can satisfy the oil field to the demand of the inside pressure monitoring of oil pumping pipe.
Drawings
FIG. 1 is a schematic view of the structure of the present invention.
In the figure: the sensor comprises a sensor connecting groove 1, a rotor 2, a rotor 21 at the upper end, a rotor 22 at the lower end, a connecting shell 3 at the upper end, a connecting shell 4 at the lower end, a stator 5 and a mechanical seal 6.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, the present invention provides a technical solution: a permanent magnet synchronous motor of a multipurpose rodless driving liquid pumping device comprises a rotor 2, an upper end connecting shell 3, a lower end connecting shell 4 and a stator 5, wherein the left end and the right end of the stator 5 are respectively provided with the upper end connecting shell 3 and the lower end connecting shell 4, the upper end connecting shell 3 and the lower end connecting shell 4 are in sealing connection, the inner side of the stator 5 is provided with a winding, the rotor 2 is connected between the stator 5, the upper end connecting shell 3 and the inner part of the lower end connecting shell 4 through a bearing, the outer side of the rotor 2 is provided with magnetic steel corresponding to the winding of the stator 5, a mechanical seal 6 is respectively arranged between the two ends of the rotor 2 and the upper end connecting shell 3 as well as the lower end connecting shell 4, the rotor 2 comprises a lower end rotor 22 arranged in the lower end connecting shell 4, the left end of the lower end rotor 22 is connected with an upper end rotor 21 in a threaded connection mode, the same liquid through hole is arranged between the upper end rotor 21 and the lower end rotor 22, and the left end side of upper end rotor 21 is equipped with the drain hole, it is more convenient to make to assemble the motor through upper end rotor 21 and lower extreme rotor 22, the right-hand member that shell 4 was connected to the lower extreme is equipped with the feed liquor hole, can be with leading-in the downthehole portion of leading-in liquid that leads to rotor 2 of liquid through the feed liquor hole on the shell 4 is connected to the lower extreme, the left end inboard that shell 3 is connected to the upper end is equipped with sensor spread groove 1, can be fixed external sensor connection through sensor spread groove 1, this PMSM adaptability is good, moreover, the steam generator is compact in structure, can satisfy the oil field to the inside pressure monitoring's of oil pumping pipe demand.
When in use: inside can preventing that liquid from entering into the motor through mechanical seal 6, can connect fixedly to external sensor through sensor spread groove 1, and can make well liquid pass through in the middle of the motor through the liquid through hole of rotor 2, can measure two pressures of sleeve pipe and oil pipe simultaneously, in case oil pipe takes place to block up, can directly observe and report to the police through the monitoring facilities of well head, can provide direct foundation for eliminating the trouble.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (4)
1. The utility model provides a permanent magnet synchronous motor of no pole drive drawing liquid equipment of multipurpose, includes rotor (2), upper end connection shell (3), lower extreme connection shell (4) and stator (5), its characterized in that: the utility model discloses a motor stator, including stator (5), both ends are equipped with the upper end respectively and connect shell (3) and lower extreme connection shell (4), and upper end connection shell (3) and lower extreme are connected between shell (4) sealing connection, the inboard of stator (5) is equipped with the winding, stator (5), be connected through the bearing between the inside that shell (4) is connected to upper end connection shell (3) and lower extreme, the outside of rotor (2) is equipped with the magnet steel that corresponds with the winding of stator (5), the both ends and the upper end of rotor (2) are connected shell (3) and lower extreme and are connected and be equipped with one mechanical seal (6) between shell (4) respectively.
2. The permanent magnet synchronous motor of a multipurpose rodless drive pumping device according to claim 1, wherein: rotor (2) are connected the inside lower extreme rotor (22) of shell (4) including setting up at the lower extreme, and the left end of lower extreme rotor (22) is connected with upper end rotor (21) through threaded connection's mode, is equipped with the same liquid hole that leads to in the middle of upper end rotor (21) and lower extreme rotor (22), and the left end lateral surface of upper end rotor (21) is equipped with out the liquid hole.
3. The permanent magnet synchronous motor of a multipurpose rodless drive pumping device according to claim 1, wherein: the right end of the lower end connecting shell (4) is provided with a liquid inlet hole.
4. The permanent magnet synchronous motor of a multipurpose rodless drive pumping device according to claim 1, wherein: the left end inboard of shell (3) is connected to the upper end is equipped with sensor spread groove (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122504080.2U CN216312820U (en) | 2021-10-18 | 2021-10-18 | Permanent magnet synchronous motor of multipurpose rodless driving liquid pumping equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122504080.2U CN216312820U (en) | 2021-10-18 | 2021-10-18 | Permanent magnet synchronous motor of multipurpose rodless driving liquid pumping equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216312820U true CN216312820U (en) | 2022-04-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122504080.2U Active CN216312820U (en) | 2021-10-18 | 2021-10-18 | Permanent magnet synchronous motor of multipurpose rodless driving liquid pumping equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216312820U (en) |
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2021
- 2021-10-18 CN CN202122504080.2U patent/CN216312820U/en active Active
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