CN218764192U - Motor cooling device - Google Patents
Motor cooling device Download PDFInfo
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- CN218764192U CN218764192U CN202223076621.7U CN202223076621U CN218764192U CN 218764192 U CN218764192 U CN 218764192U CN 202223076621 U CN202223076621 U CN 202223076621U CN 218764192 U CN218764192 U CN 218764192U
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- motor
- fan blade
- shaft
- dummy shaft
- fan
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Abstract
The utility model discloses a motor cooling device, including the one of keeping away from the output shaft of motor serve some fan blade dummy shafts of fixed connection, be connected with the motor fan blade on the outer disc of fan blade dummy shaft, the motor fan blade is kept away from one of motor serves and is connected with stop device, through the structural design of motor fan blade, can be at the in-process of motor function, along with the motor is together rotated, carries out the cooling of continuation to the motor, avoids the motor to heat up too high, and the data that leads to the temperature rise experiment appear the difference, causes the influence to the experimental result.
Description
Technical Field
The utility model relates to the technical field of motors, in particular to motor cooling device.
Background
The motor test system is developed according to the national standard GB/T1032-2012, the three-phase asynchronous motor test method, is compatible with the performance test of the motor, and can carry out no-load test, locked rotor test, load test, thermal test and MS maximum torque test.
A motor manufacturer often needs to perform tests such as temperature rise and the like on a product, the tests require cooling of a fan, and if the motor manufacturer is a label machine with the fan at the rear end, the test conditions are met; however, in the case of a motor without a fan at the rear, a separate fan is additionally arranged behind the motor in the prior art, but the cooling effect is obviously different from the standard, so that the test result is deviated.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a motor cooling device to overcome not enough among the prior art.
In order to realize the purpose, the utility model provides a following technical scheme:
the application discloses motor cooling device, including one of the output shaft of keeping away from of motor serve some fan blade false axles of fixed connection, be connected with the motor fan blade on the outer disc of fan blade false axle, the motor fan blade is kept away from one of the motor serves and is connected with stop device.
Preferably, the motor fan blade comprises a fan blade cylinder and a plurality of fan blades, and the fan blades are uniformly arranged on the outer circular surface of the fan blade cylinder.
Preferably, an external thread is arranged at one end, facing the motor, of the fan blade dummy shaft, an internal thread is arranged at the shaft end, close to the fan blade dummy shaft, of the motor, and the external thread of the fan blade dummy shaft is matched with the internal thread of the motor.
Preferably, the limiting device comprises a clamp spring groove formed in one end, far away from the motor, of the fan blade dummy shaft, a clamp spring is arranged at one end, far away from the motor, of the motor fan blade, and the clamp spring fixes the motor fan blade on the fan blade dummy shaft.
Preferably, the limiting device comprises a clamp spring groove arranged at one end, far away from the motor, of the fan blade dummy shaft, a shaft retaining ring is arranged at one end, far away from the motor, of the motor fan blade, and the motor fan blade is fixed on the fan blade dummy shaft through the shaft retaining ring.
Preferably, an end cover is arranged on the outer side of the fan blade dummy shaft, the fan blade dummy shaft and the motor fan blade are wrapped by the end cover, and an opening of the end cover is fixedly connected with one end, close to the fan blade dummy shaft, of the motor through a bolt.
Preferably, when the center height of the motor is below 160mm, a rear full end cover is arranged at one end of the motor close to the fan blade dummy shaft; when the center height of the motor is larger than 160mm, a fan cover end cover is arranged at one end, close to the fan blade false shaft, of the motor, and a plurality of ventilation openings are formed in the fan cover end cover.
Preferably, the size of the external thread is related to the specification of the motor.
The utility model has the advantages that:
(1) Through the structural design of the motor fan blades, the motor can be continuously cooled along with the rotation of the motor in the operation process of the motor, so that the situation that the temperature of the motor is too high, the data of a temperature rise experiment are different, and the experiment result is influenced is avoided;
(2) Through the structural design of the fan cover end cover, the air inlet quantity of one end of the motor, away from the motor, of the motor fan blades can be promoted in the operation process of the motor, and then the cooling effect of the motor fan blades on the motor is improved.
The features and advantages of the present invention will be described in detail by embodiments with reference to the accompanying drawings.
Drawings
Fig. 1 is a schematic sectional view of a planar structure of a cooling device for an electric motor according to the present invention;
fig. 2 is a schematic sectional view of a plane structure of the false shaft of the fan blade of the present invention;
fig. 3 is a schematic view of the assembly structure of the present invention;
fig. 4 is a partially sectional schematic view of the assembly structure of the present invention;
fig. 5 is a schematic sectional view of the plane structure of the present invention;
in the figure: 1-fan blade dummy shaft, 2-motor fan blade, 201-fan blade cylinder, 202-fan blade, 3-motor, 4-external thread, 5-clamp spring groove, 6-shaft retainer ring, 601-clamp spring, 7-rear full end cover, 8-fan cover end cover and 801-ventilation opening.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clear, the present invention is further described in detail through the accompanying drawings and embodiments. It should be understood, however, that the description herein of specific embodiments is only intended to illustrate the invention and not to limit the scope of the invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.
Referring to fig. 1 to 5, an embodiment of the utility model provides a motor 3 cooling device, including motor 3 keep away from one of output shaft and serve some fan blade dummy shafts 1 of fixed connection, be connected with motor fan blade 2 on the outer disc of fan blade dummy shaft 1, motor fan blade 2 keeps away from one of motor 3 serves and is connected with stop device.
The motor blade 2 comprises a blade cylinder 201 and a plurality of blades 202, and the blades 202 are uniformly arranged on the outer circular surface of the blade cylinder 201.
The fan blade dummy shaft 1 is provided with an external thread 4 towards one end of the motor 3, an internal thread is arranged at the shaft end of the motor 3 close to the fan blade dummy shaft 1, and the external thread 4 of the fan blade dummy shaft 1 is matched with the internal thread of the motor 3.
The limiting device comprises a clamp spring groove 5 formed in one end, far away from the motor 3, of the fan blade dummy shaft 1, a clamp spring 601 is arranged at one end, far away from the motor 3, of the motor blade 2, and the clamp spring 601 fixes the motor blade 2 on the fan blade dummy shaft 1.
The limiting device comprises a clamp spring groove 5 formed in one end, far away from the motor 3, of the fan blade dummy shaft 1, a shaft retaining ring 6 is arranged at one end, far away from the motor 3, of the motor blade 2, and the motor blade 2 is fixed on the fan blade dummy shaft 1 through the shaft retaining ring 6.
An end cover is arranged on the outer side of the fan blade dummy shaft 1, the fan blade dummy shaft 1 and the motor fan blade 2 are wrapped by the end cover, and an opening of the end cover is fixedly connected with one end, close to the fan blade dummy shaft 1, of the motor 3 through a bolt.
When the center height of the motor 3 is below 160mm, one end of the motor 3 close to the fan blade dummy shaft 1 is provided with a rear full end cover 7; when the center height of the motor 3 is greater than 160mm, a fan cover end cover 8 is arranged at one end, close to the fan blade dummy shaft 1, of the motor 3, and a plurality of ventilation openings 801 are formed in the fan cover end cover 8.
The size of the external thread 4 on the fan blade false shaft 1 is related to the specification of the motor 3, and is shown in the following table:
TABLE 1 external thread size and Motor Specification corresponding Table
The utility model discloses the working process:
before the motor 3 cooling device is installed, an internal thread is processed at the rear end part of a motor 3 shaft according to the table 1, then an external thread 4 on a fan blade dummy shaft 1 is installed at the internal thread position on the motor 3 shaft, further the fan blade dummy shaft 1 is fixedly connected with the motor 3, then a corresponding fan cover end cover 8 and a rear full end cover 7 are selected according to the specification of the motor 3, and the opening part of the end cover and one end of the motor 3 close to the fan blade dummy shaft 1 are connected by using a bolt until the installation is finished;
after the motor 3 is started, the output shaft of the motor 3 starts to rotate, the fan blade dummy shaft 1 is driven to rotate through threaded connection, the motor fan blade 2 is further driven to start to rotate, the fan blade 202 rotates to generate wind power, air flow is formed on the periphery of the motor 3, and then the motor 3 is cooled.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modification, equivalent replacement or improvement made within the spirit and principle of the present invention should be included in the present invention.
Claims (8)
1. The utility model provides a motor cooling heat sink which characterized in that: the fan blade dummy shaft comprises a motor, wherein one end of the motor, far away from an output shaft, is fixedly connected with a fan blade dummy shaft, the outer circular surface of the fan blade dummy shaft is connected with a motor fan blade, and one end of the motor, far away from the motor, of the motor fan blade is connected with a limiting device.
2. The cooling device for an electric machine according to claim 1, wherein: the motor fan blade comprises a fan blade cylinder and a plurality of fan blades, and the fan blades are uniformly arranged on the outer circular surface of the fan blade cylinder.
3. The cooling device for an electric machine according to claim 1, wherein: the fan blade dummy shaft is provided with an external thread at one end facing the motor, an internal thread is arranged at the shaft end of the motor close to the fan blade dummy shaft, and the external thread of the fan blade dummy shaft is matched with the internal thread of the motor.
4. The cooling device for an electric machine according to claim 1, wherein: the limiting device comprises a clamp spring groove formed in one end, far away from the motor, of the fan blade dummy shaft, a clamp spring is arranged at one end, far away from the motor, of the motor fan blade, and the clamp spring fixes the motor fan blade on the fan blade dummy shaft.
5. The cooling device for an electric machine according to claim 1, wherein: the limiting device comprises a clamp spring groove arranged at one end, far away from the motor, of the fan blade dummy shaft, a shaft retaining ring is arranged at one end, far away from the motor, of the motor fan blade, and the motor fan blade is fixed on the fan blade dummy shaft through the shaft retaining ring.
6. The cooling device for an electric machine according to claim 1, wherein: an end cover is arranged on the outer side of the fan blade dummy shaft and wraps the fan blade dummy shaft and the motor fan blade, and an opening of the end cover is fixedly connected with one end, close to the fan blade dummy shaft, of the motor through a bolt.
7. The cooling device for an electric machine according to claim 6, wherein: when the center height of the motor is below 160mm, a rear full end cover is arranged at one end of the motor close to the fan blade false shaft; when the center height of the motor is larger than 160mm, a fan cover end cover is arranged at one end, close to the fan blade false shaft, of the motor, and a plurality of ventilation openings are formed in the fan cover end cover.
8. A motor cooling device as claimed in claim 3, wherein: the size of the external thread is related to the specification of the motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223076621.7U CN218764192U (en) | 2022-11-18 | 2022-11-18 | Motor cooling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223076621.7U CN218764192U (en) | 2022-11-18 | 2022-11-18 | Motor cooling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218764192U true CN218764192U (en) | 2023-03-28 |
Family
ID=85650468
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223076621.7U Active CN218764192U (en) | 2022-11-18 | 2022-11-18 | Motor cooling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218764192U (en) |
-
2022
- 2022-11-18 CN CN202223076621.7U patent/CN218764192U/en active Active
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