CN213402712U - Power frequency motor for pump - Google Patents
Power frequency motor for pump Download PDFInfo
- Publication number
- CN213402712U CN213402712U CN202022880671.5U CN202022880671U CN213402712U CN 213402712 U CN213402712 U CN 213402712U CN 202022880671 U CN202022880671 U CN 202022880671U CN 213402712 U CN213402712 U CN 213402712U
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- Prior art keywords
- motor
- rotor
- pump
- end cover
- bolt
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- 230000017525 heat dissipation Effects 0.000 claims description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 230000002035 prolonged effect Effects 0.000 abstract description 3
- 230000001360 synchronised effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
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Abstract
The utility model discloses a power frequency motor for pump, electric motor rotor axle cup joints on the pump shaft of the pump body, be equipped with motor stator in the motor casing, the left end of motor casing is provided with the motor end cover, and the motor end cover passes through interior bolt and pump body fixed connection, the motor end cover passes through outer bolt and motor casing fixed connection, be equipped with motor stator assembly in the motor stator, be provided with electric motor rotor in the motor stator assembly, electric motor rotor passes through fastening bolt to be fixed on electric motor rotor axle, the rotor rear bearing is installed to electric motor rotor rear end, rotor rear bearing rear end is provided with the motor rear end cap. The motor cover is arranged between the pump body and the motor shell, and the pump body and the motor shell are fixedly connected through the inner bolt and the outer bolt, so that the connecting space is reduced; the electronic rotor shaft is designed to be hollow and is directly sleeved on the pump equipment, and the motor rotor is fixed on the motor rotor shaft through the fastening bolt so as to be fixed on the pump shaft, so that the design of a bearing at the front end is reduced, the manufacturing cost of the equipment is reduced, easily damaged parts are reduced, and the service life of the motor is prolonged.
Description
Technical Field
The utility model relates to the technical field of electrical equipment, specifically a power frequency motor for pump.
Background
The power frequency motor is an alternating current motor with constant current frequency, and is divided into a power frequency asynchronous motor and a power frequency synchronous motor, and the synchronous motor is a common alternating current motor like an induction motor. Is characterized in that: during steady state operation, there is a constant relationship between the rotor speed and the grid frequency. The existing power frequency synchronous motor has the problems of complex structure and high production cost. Therefore, the utility model provides a power frequency motor for pump to solve the problem that proposes among the above-mentioned background art.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a power frequency motor for pump to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a power frequency motor for pump, including the pump body, the electric motor rotor axle, the motor casing, motor stator sum motor rear end cap, the electric motor rotor axle is hollow design, electric motor rotor axle cup joints on the pump shaft of the pump body, be equipped with motor stator in the motor casing, the left end of motor casing is provided with the motor end cover, and the motor end cover passes through interior bolt and pump body fixed connection, the motor end cover passes through outer bolt and motor casing fixed connection, be equipped with motor stator assembly in the motor stator, be provided with electric motor rotor in the motor stator assembly, electric motor rotor passes through fastening bolt to be fixed on electric motor rotor axle, heat dissipation fan blade is installed to electric motor stator assembly's right-hand member, rotor rear bearing is installed to electric motor rotor rear end, rotor rear bearing rear end is provided with motor rear end cap.
Preferably, a waveform elastic cushion is arranged at the joint of the rotor rear bearing and the motor rear end cover.
Preferably, the pump body is a screw pump or a water pump and the like.
Compared with the prior art, the beneficial effects of the utility model are that: the motor cover is arranged between the pump body and the motor shell, and the pump body and the motor shell are fixedly connected through the inner bolt and the outer bolt, so that the connecting space is reduced;
the electronic rotor shaft is designed to be hollow and is directly sleeved on the pump equipment, and the motor rotor is fixed on the motor rotor shaft through the fastening bolt so as to be fixed on the pump shaft, so that the design of a bearing at the front end is reduced, the manufacturing cost of the equipment is reduced, easily damaged parts are reduced, and the service life of the motor is prolonged.
Drawings
FIG. 1 is a schematic structural diagram of a power frequency motor for a pump;
fig. 2 is a schematic structural diagram of a medium motor rotor, a motor stator assembly and a heat dissipation fan blade assembly of a power frequency motor for a pump.
In the figure: 1. the pump body, 2, the motor rotor shaft; 3. a motor end cover; 4. a motor housing; 5. a motor stator; 6. a motor rotor; 7. a motor stator assembly; 8. a heat dissipation fan blade; 9. fastening a bolt; 10. a rotor rear bearing; 11. a wave-shaped elastic pad; 12. a motor rear end cover; a1, an inner bolt; a2, external bolt; a3, end cap bolts.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-2, the embodiment of the present invention provides a power frequency motor for pump, including pump body 1, electric motor rotor shaft 2, motor casing 4, motor stator 5, motor stator assembly 7 and motor rear end cap 12, its characterized in that: the motor rotor shaft 2 is of a hollow design, the motor rotor shaft 2 is sleeved on a pump shaft of the pump body 1, a motor stator 5 is arranged in a motor shell 4, a motor end cover 3 is arranged at the left end of the motor shell 4, the motor end cover 3 is fixedly connected with the pump body 1 through an inner bolt a1, the motor end cover 3 is fixedly connected with the motor shell 4 through an outer bolt a2, a motor stator assembly 7 is arranged in the motor stator 5, a motor rotor 6 is arranged in the motor stator assembly 7, the motor rotor 6 is fixed on a motor rotor shaft 2 through a fastening bolt 9, a heat dissipation fan blade 8 is installed at the right end of the motor stator assembly 7, the heat dissipation fan blade 8 plays a key role in heat dissipation of the motor, a rotor rear bearing 10 is installed at the rear end of the motor rotor 6, a motor rear end cover 12 is arranged at the rear end of the rotor rear bearing 10, the motor rear end cover 12 is fixedly connected with the motor shell 4 through an end cover bolt a3, and the motor rear end cover 12 plays a.
The connection part of the rotor rear bearing 10 and the motor rear end cover 12 is provided with a wave-shaped elastic pad 11, and the pump body 1 is a screw pump or a water pump and the like.
The utility model discloses in: the motor power of the device is 7.5-37 kw, the motor end cover 3 is arranged between the pump body 1 and the motor shell 4, and the motor end cover 3 fixedly connects the pump body 1 and the motor shell 4 through inner and outer bolts, so that the connection space is reduced; the electronic rotor shaft 2 is of a hollow design and is directly sleeved on the pump body 1, the motor rotor 6 is fixed on the motor rotor shaft 2 through the fastening bolt 9 and then fixed on a pump shaft of the pump body 1, the design of a bearing at the front end is reduced, the manufacturing cost of equipment is reduced, wearing parts are reduced, the service life of the motor is prolonged, the heat dissipation fan blades 8 play a key role in heat dissipation of the motor, and the motor rear end cover 12 plays a role in supporting the motor stator assembly 7.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (3)
1. The utility model provides a power frequency motor for pump, includes the pump body (1), electric motor rotor axle (2), motor casing (4), motor stator (5), motor stator assembly (7) and motor rear end cap (12), its characterized in that: the pump is characterized in that the motor rotor shaft (2) is of a hollow design, the motor rotor shaft (2) is sleeved on a pump shaft of the pump body (1), a motor stator (5) is arranged in the motor casing (4), a motor end cover (3) is arranged at the left end of the motor casing (4), the motor end cover (3) is fixedly connected with the pump body (1) through an inner bolt (a1), the motor end cover (3) is fixedly connected with the motor casing (4) through an outer bolt (a2), a motor stator assembly (7) is arranged in the motor stator (5), a motor rotor (6) is arranged in the motor stator assembly (7), the motor rotor (6) is fixed on the motor rotor shaft (2) through a fastening bolt (9), a heat dissipation fan blade (8) is arranged at the right end of the motor stator assembly (7), a rotor rear bearing (10) is arranged at the rear end of the motor rotor (6), and a motor rear end cover (12) is arranged at the, the motor rear end cover (12) is fixedly connected with the motor shell (4) through an end cover bolt (a 3).
2. The industrial frequency motor for the pump according to claim 1, wherein a wave-shaped elastic cushion (11) is arranged at the joint of the rotor rear bearing (10) and a motor rear end cover (12).
3. The industrial frequency motor for the pump according to claim 1, wherein the pump body (1) is a screw pump or a water pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022880671.5U CN213402712U (en) | 2020-12-03 | 2020-12-03 | Power frequency motor for pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022880671.5U CN213402712U (en) | 2020-12-03 | 2020-12-03 | Power frequency motor for pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213402712U true CN213402712U (en) | 2021-06-08 |
Family
ID=76196540
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022880671.5U Active CN213402712U (en) | 2020-12-03 | 2020-12-03 | Power frequency motor for pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213402712U (en) |
-
2020
- 2020-12-03 CN CN202022880671.5U patent/CN213402712U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230417 Address after: 317523 No. 18 Wenchang Road, Zeguo Town, Wenling City, Taizhou City, Zhejiang Province (within Taizhou Zhongwei Industry and Trade Co., Ltd.) Patentee after: Taizhou Zhongwei Industry and Trade Co.,Ltd. Address before: No. 182, Zexin Road, Zeguo Town, Wenling City, Taizhou City, Zhejiang Province Patentee before: Zhong Yumin |