CN202334150U - Motor bearing cooling device and motor - Google Patents
Motor bearing cooling device and motor Download PDFInfo
- Publication number
- CN202334150U CN202334150U CN2011204786797U CN201120478679U CN202334150U CN 202334150 U CN202334150 U CN 202334150U CN 2011204786797 U CN2011204786797 U CN 2011204786797U CN 201120478679 U CN201120478679 U CN 201120478679U CN 202334150 U CN202334150 U CN 202334150U
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- China
- Prior art keywords
- cooling device
- bearing
- fan
- end cover
- motor bearings
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Abstract
The utility model discloses a motor bearing cooling device. The motor bearing cooling device comprises a fan mounted on a rotating shaft at the outer side of a bearing, and an air outlet direction of the fan faces to an outer cover of the bearing. A fan cover is arranged on periphery of the fan and the outer cover of the bearing, a through hole is arranged on a panel of the fan cover, and a gap is reserved between the edge of the fan cover and the outer cover of the bearing. The motor bearing cooling device disclosed by the utility model is simple in structure. By improving the heat radiation capability of the components around the bearing, such as the outer cover of the bearing, the working temperature rise of the bearing can be effectively reduced. The utility model further discloses a motor provided with the motor bearing cooling device.
Description
Technical field
The utility model relates to technical field of motors, particularly the bearing cooling device of motor.The utility model also relates to the motor that is provided with said cooling device.
Background technology
The temperature rise of motor bearings is as one of important indicator of weighing motor performance, and the working life of motor bearings is had fundamental influence.
The heat that motor bearings produces in the course of the work; A part mainly is radiated in the peripheral air through peripheral components such as bearing end cover, end cap etc.; Another part mainly internal bearing cover through inside etc. is radiated in the wind path of motor internal, by inner cooling body this part heat is taken away again.
Therefore, start with,, can effectively reduce the work temperature rise of bearing, prolong the working life of bearing through the heat-sinking capability of raising bearing peripheral components or the cooling effect of motor internal cooling body from these two main heat radiation approach of motor bearings.
The utility model content
First purpose of the utility model provides a kind of motor bearings cooling device.This apparatus structure is simple, through improving the heat-sinking capability of bearing peripheral components bearing end cover, can effectively reduce the bearing working temperature rise.
Second purpose of the utility model provides a kind of motor that is provided with said cooling device.
In order to realize above-mentioned first purpose, the utility model provides a kind of motor bearings cooling device, comprises the fan that is installed in the said bearing outside rotating shaft, and the air-out direction of said fan is towards bearing end cover; The periphery of said fan and bearing end cover is provided with fan guard, and the panel of said fan guard is provided with ventilation hole, and edge and bearing end cover leave certain interval.
Preferably, said ventilation hole with the axis hole in the middle of the said fan guard panel be central distribution a few.
Preferably, the ventilation hole on the said fan guard is the arc slotted hole, and each circle ventilation hole is that the center evenly distributes with the axis hole in the middle of the said fan guard panel, is the annular of being interrupted on the whole.
Preferably, said each circle ventilation hole comprises two ventilation holes at least.
Preferably, the shaft hole diameter in the middle of the said fan guard panel is greater than the diameter of rotating shaft.
Preferably, the surface distributed of said bearing end cover has radiating ribs.
Preferably, the panel both sides of said fan guard are provided with axially extended tube connector in inside, and said tube connector is supported in the surface of said bearing end cover, and are fixedly connected with said bearing end cover through the bolt that is threaded onto in the said tube connector.
Preferably, said fan is fixed in the rotating shaft through key.
Preferably, said fan guard is cylindrical.
For realizing above-mentioned second purpose; The utility model also provides a kind of motor; Comprise end cap, rotating shaft and the bearing between said end cap and rotating shaft, the outside of said bearing is provided with bearing end cover and cooling device, and said cooling device is above-mentioned each described motor bearings cooling device.
The motor bearings cooling device that the utility model provided; Through fan is installed in rotating shaft, make motor when working, drive the fan rotation, constantly cooling air is on every side blowed to bearing end cover; Strengthen flowing of bearing end cover and end cap surrounding air; Improve the heat-sinking capability of bearing peripheral components, thereby can effectively reduce the work temperature rise of motor bearings, prolong the working life of bearing.
In addition; The fan periphery is provided with fan guard, sucks and blow to bearing end cover to peripheral air through ventilation hole during fan running, in the wind guide bearing outer cap surface that fan is produced; Also fan and bearing end cover and peripheral object are separated the fail safe when guaranteeing fan running.
In a kind of embodiment, the surface distributed of said bearing end cover has radiating ribs.Like this, can increase the surface area that bearing end cover contacts with air, thereby further improve heat-sinking capability.
The motor that the utility model provided is provided with above-mentioned motor bearings cooling device, because above-mentioned motor bearings cooling device has above-mentioned technique effect, the motor that is provided with this motor bearings cooling device also should possess the corresponding techniques effect.
Description of drawings
Fig. 1 provides the partial sectional view of a kind of embodiment of motor bearings cooling device for the utility model;
Fig. 2 is the front partial schematic diagram of fan guard shown in Fig. 1;
Fig. 3 is the A-A view of Fig. 2.
Among the figure:
1. fan guard 2. bearing end covers 3. fans 4. back-up rings 5. keys 6. bolts 7. tube connectors 8. rotating shafts 9. bearings 10. end caps 11. ventilation holes
Embodiment
The core of the utility model provides a kind of motor bearings cooling device.This apparatus structure is simple, through improving the heat-sinking capability of bearing peripheral components bearing end cover, can effectively reduce the bearing working temperature rise.
Another core of the utility model provides a kind of motor that is provided with said cooling device.
In order to make those skilled in the art person understand the utility model scheme better, the utility model is done further to specify below in conjunction with accompanying drawing and embodiment.
Please refer to Fig. 1, Fig. 2, Fig. 1 provides the partial sectional view of a kind of embodiment of motor bearings cooling device for the utility model; Fig. 2 is the front partial schematic diagram of fan guard shown in Fig. 1.
As shown in the figure, in a kind of embodiment, bearing 9 is installed between rotating shaft 8 and the end cap 10, and bearing end cover 2 positions with 4 pairs of bearings of back-up ring, and fan 3 is fixed in the rotating shaft 8 in the bearing outside through key 5, and its air-out direction is towards bearing end cover 2.
The periphery of fan 3 and bearing end cover 2 is provided with fan guard 1; Fan guard 1 is cylindrical, and the shaft hole diameter in the middle of its panel is greater than the diameter of rotating shaft 8, and the panel of fan guard 1 is provided with ventilation hole 11; And edge and bearing end cover 2 leave certain interval; Fan 3 blows to the wind of bearing end cover 2 and from then on discharges in the gap, can further strengthen the air flow of end cap 10 outer surfaces, improves the heat-sinking capability of end cap 10.
During work, 3 rotations of driven by motor fan constantly blow to bearing end cover 2 with cooling air on every side; Strengthen flowing of bearing end cover 2 and end cap 10 surrounding airs; Improve the heat-sinking capability of bearing peripheral components, thereby can effectively reduce the work temperature rise of motor bearings 9, prolong the working life of bearing 9.
Suck and blow to bearing end cover 2 to peripheral air through ventilation hole 11 during fan 3 runnings; Fan guard 1 is in the wind guide bearing enclosing cover that fan 3 is produced 2 surfaces; Also fan 3 and bearing end cover 2 are separated the fail safe when guaranteeing fan 3 runnings with peripheral object.
Particularly; Ventilation hole 11 is central distribution three circles with the axis hole in the middle of fan guard 1 panel, and ventilation hole 11 is the arc slotted hole, and each circle ventilation hole is that the center evenly distributes with the axis hole in the middle of the fan guard panel; Be the annular of being interrupted on the whole; Each circle comprises two ventilation holes 11 at least, when satisfying air-conditioning requirement, has guaranteed the rigidity of fan guard panel.
For further improving heat-sinking capability, can be in the surface distributed radiating ribs of bearing end cover 2, to increase the surface area that bearing end cover 2 contacts with air.
Please refer to Fig. 3, Fig. 3 is the A-A view of Fig. 2.
As a kind of improvement, the panel both sides of fan guard 1 are provided with axially extended tube connector 7 in inside, and tube connector 7 is supported in the surface of bearing end cover 2, and are fixedly connected with bearing end cover 2 through the bolt 6 that is threaded onto in the tube connector 7.
Certainly, above-mentioned motor bearings cooling device only is a kind of preferred version, specifically is not limited thereto, and can make pointed adjustment according to actual needs on this basis, thereby obtain different embodiment.For example, fan guard is fixedly connected with bearing end cover through other modes, and perhaps the ventilation hole on the fan guard is designed to other shapes or the like.
Except above-mentioned motor bearings cooling device; The utility model also provides a kind of motor; Comprise end cap, rotating shaft and the bearing between said end cap and rotating shaft, the outside of said bearing is provided with bearing end cover and cooling device, and said cooling device is a motor bearings cooling device mentioned above; All the other structures please refer to prior art, and this paper repeats no more.
More than motor bearings cooling device and motor that the utility model provided have been carried out detailed introduction.Used concrete example among this paper the principle and the execution mode of the utility model are set forth, the explanation of above embodiment just is used to help to understand the core concept of the utility model.Should be understood that; For those skilled in the art; Under the prerequisite that does not break away from the utility model principle, can also carry out some improvement and modification to the utility model, these improvement and modification also fall in the protection range of the utility model claim.
Claims (10)
1. a motor bearings cooling device is characterized in that, comprises the fan that is installed in the said bearing outside rotating shaft, and the air-out direction of said fan is towards bearing end cover; The periphery of said fan and bearing end cover is provided with fan guard, and the panel of said fan guard is provided with ventilation hole, and edge and bearing end cover leave certain interval.
2. motor bearings cooling device according to claim 1 is characterized in that, said ventilation hole with the axis hole in the middle of the said fan guard panel be central distribution a few.
3. motor bearings cooling device according to claim 2 is characterized in that, the ventilation hole on the said fan guard is the arc slotted hole, and each circle ventilation hole is that the center evenly distributes with the axis hole in the middle of the said fan guard panel, is the annular of being interrupted on the whole.
4. motor bearings cooling device according to claim 3 is characterized in that, said each circle ventilation hole comprises two ventilation holes at least.
5. motor bearings cooling device according to claim 4 is characterized in that, the shaft hole diameter in the middle of the said fan guard panel is greater than the diameter of rotating shaft.
6. motor bearings cooling device according to claim 1 is characterized in that the surface distributed of said bearing end cover has radiating ribs.
7. according to each described motor bearings cooling device of claim 1 to 6; It is characterized in that; The panel both sides of said fan guard are provided with axially extended tube connector in inside; Said tube connector is supported in the surface of said bearing end cover, and is fixedly connected with said bearing end cover through the bolt that is threaded onto in the said tube connector.
8. motor bearings cooling device according to claim 7 is characterized in that said fan is fixed in the rotating shaft through key.
9. motor bearings cooling device according to claim 8 is characterized in that said fan guard is cylindrical.
10. motor; Comprise end cap, rotating shaft and the bearing between said end cap and rotating shaft; The outside of said bearing is provided with bearing end cover and cooling device, it is characterized in that, said cooling device is aforesaid right requirement 1 to 9 each described motor bearings cooling device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204786797U CN202334150U (en) | 2011-11-25 | 2011-11-25 | Motor bearing cooling device and motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204786797U CN202334150U (en) | 2011-11-25 | 2011-11-25 | Motor bearing cooling device and motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202334150U true CN202334150U (en) | 2012-07-11 |
Family
ID=46446116
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204786797U Expired - Lifetime CN202334150U (en) | 2011-11-25 | 2011-11-25 | Motor bearing cooling device and motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202334150U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102810940A (en) * | 2012-08-31 | 2012-12-05 | 中电电机股份有限公司 | Wind path structure of jacket cooling motor |
| CN104158348A (en) * | 2014-08-23 | 2014-11-19 | 永济新时速电机电器有限责任公司 | Convection type bearing cooling structure |
| CN105429362A (en) * | 2015-11-18 | 2016-03-23 | 黄山市三阳机电有限公司 | Long-shaft motor with external heat dissipation fan |
-
2011
- 2011-11-25 CN CN2011204786797U patent/CN202334150U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102810940A (en) * | 2012-08-31 | 2012-12-05 | 中电电机股份有限公司 | Wind path structure of jacket cooling motor |
| CN102810940B (en) * | 2012-08-31 | 2015-03-11 | 中电电机股份有限公司 | Wind path structure of jacket cooling motor |
| CN104158348A (en) * | 2014-08-23 | 2014-11-19 | 永济新时速电机电器有限责任公司 | Convection type bearing cooling structure |
| CN105429362A (en) * | 2015-11-18 | 2016-03-23 | 黄山市三阳机电有限公司 | Long-shaft motor with external heat dissipation fan |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120711 |