CN216530873U - High-speed motor front shaft cooling device - Google Patents
High-speed motor front shaft cooling device Download PDFInfo
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- CN216530873U CN216530873U CN202123263106.5U CN202123263106U CN216530873U CN 216530873 U CN216530873 U CN 216530873U CN 202123263106 U CN202123263106 U CN 202123263106U CN 216530873 U CN216530873 U CN 216530873U
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Abstract
The utility model discloses a cooling device for a front shaft of a high-speed motor, relates to the technical field of motors, and mainly aims to further improve the efficiency of cooling a front-end bearing of the motor by using a rear-end fan. The main technical scheme of the utility model is as follows: high-speed motor front axle cooling device, the device includes: a blowing part and a flow guide part; the blowing part comprises a rear end fan and a rear fan cover, the rear end fan is mounted at the rear end of the motor shaft, and the rear fan cover encloses the rear end fan; the flow guide part comprises an axial air pipe and a radial air pipe, one end of the axial air pipe is connected to the axial side face of the rear fan cover, the other end of the axial air pipe is connected to one end of the radial air pipe, and the other end of the radial air pipe radially extends to a front end bearing of the motor along the front end face of the motor shell.
Description
Technical Field
The utility model relates to the technical field of motors, in particular to a cooling device for a front shaft of a high-speed motor.
Background
In many industrial environments, motors can be used, and front and rear bearings of the motors are easy to generate heat when the motors run, so that the service lives of the motors are influenced, and the motors are easy to overheat and damage.
At present, only the fan is arranged at the rear bearing of the motor due to the structural reason of the motor, and the fan cannot be arranged at the front bearing. And the motor front bearing is generally opposite to the equipment driven by the motor, and if the temperature of the equipment is higher, the opposite motor front bearing is more easily damaged by overheating.
In the prior art, a fan is arranged at the rear end of the motor and blows air flow from the rear end to the front end of the motor along the gap between the radiating fins on the motor shell. However, the air flow can only pass through the periphery of the motor shell and can not reach the front end bearing of the motor, so that heat at the front end bearing of the motor is easy to accumulate to cause overheating damage of the front end bearing of the motor.
In order to solve the above problem, in the prior art patent application No. 201921542139.3, a wind scooper is provided at the front end of the motor to guide the airflow to blow toward the front end bearing of the motor. However, the cooling efficiency of the front end bearing of the motor is yet to be further improved.
SUMMERY OF THE UTILITY MODEL
In view of the above, the present invention provides a front shaft cooling device for a high-speed motor, which mainly aims to further improve the efficiency of cooling a front end bearing of the motor by using a rear end fan.
In order to achieve the purpose, the utility model mainly provides the following technical scheme:
the utility model provides a high-speed motor front shaft cooling device, which comprises: a blowing part and a flow guide part;
the blowing part comprises a rear end fan and a rear fan cover, the rear end fan is mounted at the rear end of the motor shaft, and the rear fan cover encloses the rear end fan;
the flow guide part comprises an axial air pipe and a radial air pipe, one end of the axial air pipe is connected to the axial side face of the rear fan cover, the other end of the axial air pipe is connected to one end of the radial air pipe, and the other end of the radial air pipe radially extends to a front end bearing of the motor along the front end face of the motor shell.
The object of the present invention and the technical problems solved thereby can be further achieved by the following technical measures.
Optionally, an air outlet is formed in the side face of the shaft of the rear fan housing, and one end of the axial air pipe is detachably connected to the air outlet.
Optionally, an edge of a port of the axial air pipe is fixedly connected to the connecting plate, and four corners of the connecting plate are respectively provided with a first through hole for passing through the first screw rod, so that the first screw rod is in threaded connection with the edge of the air outlet, and a sealing gasket is embedded between the connecting plate and the edge of the air outlet.
Optionally, still include a plurality of mounting panels, it is a plurality of the mounting panel respectively fixed connection in the axial side of axial tuber pipe with the axial side of radial tuber pipe, the mounting panel is equipped with the second through-hole for pass the second screw rod, so that second screw rod threaded connection is in motor casing.
Optionally, the other end surface of the radial air duct is inclined with respect to the radial cross section of the radial air duct.
Optionally, the water conservancy diversion portion includes first water conservancy diversion portion and second water conservancy diversion portion, first water conservancy diversion portion is the same with second water conservancy diversion portion structure, all includes axial tuber pipe and radial tuber pipe, first water conservancy diversion portion with second water conservancy diversion portion mirror symmetry sets up in the left and right sides of motor casing.
By the technical scheme, the utility model at least has the following advantages:
when the motor runs, the motor shaft drives the rear end fan to rotate, outside air is guided to enter the rear fan cover from meshes on the rear side face of the rear fan cover, and then sequentially enters the axial air pipe and the radial air pipe through the axial side face of the rear fan cover, and finally is blown to the position of a front end bearing of the motor.
In the prior art, the air guide cover is installed at the front end of the motor, airflow firstly flows through the interval flow channel between adjacent radiating fins on the shaft side of the motor shell and then reaches the air guide cover, so that the temperature of the airflow reaching the air guide cover is increased a lot, the temperature difference between the temperature of the airflow and the temperature of the front end bearing of the motor is necessarily reduced, and the cooling efficiency of the front end bearing of the motor is necessarily reduced.
And the axial air pipe in the device has the drainage effect on the partial air flow in the rear fan cover, so that the partial air flow is prevented from flowing through the interval flow channel between the adjacent radiating fins to be quickly heated, and when the partial air flow flows to the front end bearing of the motor, relatively large temperature difference still exists between the partial air flow and the front end bearing of the motor, and the cooling efficiency of the front end bearing of the motor is indirectly improved.
Drawings
Fig. 1 is a schematic view of an installation structure of a cooling device for a front shaft of a high-speed motor according to an embodiment of the present invention;
fig. 2 is a perspective view of a first view of a flow guide part according to an embodiment of the present invention;
fig. 3 is a perspective view of a second perspective view of the flow guide portion according to the embodiment of the present invention;
fig. 4 is an enlarged view of a portion a in fig. 3.
Reference numerals in the drawings of the specification include: the fan comprises a rear fan cover 1, a motor shaft 2, an axial air pipe 3, a radial air pipe 4, a motor shell 5, a cooling fin 6, a connecting plate 7, a first through hole 8, a mounting plate 9 and a second through hole 10.
Detailed Description
To further explain the technical means and effects of the present invention for achieving the intended purpose of the utility model, the following detailed description of the embodiments, structures, features and effects according to the present application will be given with reference to the accompanying drawings and preferred embodiments. In the following description, different "one embodiment" or "an embodiment" refers to not necessarily the same embodiment. Furthermore, the particular features, structures, or characteristics may be combined in any suitable manner in one or more embodiments.
The present invention will be described in further detail with reference to the accompanying drawings and examples.
As shown in fig. 1, an embodiment of the present invention provides a front axle cooling device for a high-speed motor, including: a blowing part and a flow guide part;
the blowing part comprises a rear end fan and a rear fan cover 1, the rear end fan is mounted at the rear end of the motor shaft 2, and the rear fan cover 1 encloses the rear end fan;
the water conservancy diversion portion includes axial tuber pipe 3 and radial tuber pipe 4, the one end of axial tuber pipe 3 is connected in the axle side of back fan housing 1, the other end connect in the one end of radial tuber pipe 4, the radial extension to motor front end bearing of terminal surface before motor casing 5 is followed to the other end of radial tuber pipe 4.
The working process of the high-speed motor front shaft cooling device is as follows:
when the motor runs, the motor shaft 2 drives the rear end fan to rotate, external air is guided to enter the rear fan housing 1 from meshes on the rear side face of the rear fan housing 1, and then sequentially enters the axial air pipe 3 and the radial air pipe 4 through the axial side face of the rear fan housing 1, and finally is blown to the position of a bearing at the front end of the motor.
In the prior art, the wind scooper is installed at the front end of the motor, airflow firstly flows through the interval flow channel between the adjacent radiating fins 6 on the shaft side of the motor shell 5 and then reaches the wind scooper, so that the temperature of the airflow reaching the wind scooper is increased a lot, the temperature difference between the temperature of the airflow and the temperature of the front end bearing of the motor is necessarily reduced, and the cooling efficiency of the front end bearing of the motor is necessarily reduced. Because the cooling efficiency of the bearing at the front end of the motor is low, when the temperature of the bearing of the motor is high, a compressed air cooling hose is required to be connected or a cooling and blowing hard pipe is required to be arranged in advance, and the workload, the use cost of the hose and the use cost of the cooling compressed air are increased by connecting the cooling hose; the cooling purging hard pipe is arranged in advance, so that the pipeline cost and the use cost of cooling compressed air are increased; the axial flow fan is erected for cooling, the use cost and the power consumption of the axial flow fan are increased, and potential safety hazards are increased due to temporary wiring and power consumption.
The axial air pipe 3 in the device has the drainage effect on the partial air flow inside the rear fan cover 1, so that the partial air flow is prevented from flowing through the interval flow channel between the adjacent radiating fins 6 to be heated up quickly, when the partial air flow flows to the front end bearing of the motor, a relatively large temperature difference still exists between the partial air flow and the front end bearing of the motor, the cooling efficiency of the front end bearing of the motor is indirectly improved, the cost and the workload for configuring a cooling pipeline or connecting a temporary hose cooling pipeline and using compressed air are saved, the use of the axial flow fan is reduced, the electric energy is saved, the potential safety hazard when the axial flow fan is used is avoided, the problem that the temperature of the front shaft of the motor is higher is solved, the purposes of energy conservation and consumption reduction are also achieved, the working efficiency is improved, and the workload is reduced.
According to the technical scheme, on the basis of not changing the structure of the motor, the cooling efficiency of the front end bearing of the motor is further improved compared with the prior art.
Specifically, the axial air duct 3 is located on the periphery of a heat sink 6 on the shaft side of the motor housing 5, the extending direction of the axial air duct 3 is parallel to the axis direction of the motor housing 5, and the radial air duct 4 horizontally extends to a front end bearing of the motor.
As shown in fig. 1, in a specific embodiment, an air outlet is formed on an axial side surface of the rear fan housing 1, and one end of the axial air duct 3 is detachably connected to the air outlet.
In this embodiment, specifically, one end of the axial air pipe 3 is detachably connected to the air outlet, so that the axial air pipe 3 and the radial air pipe 4 can be conveniently detached and maintained.
As shown in fig. 1, in a specific embodiment, an edge of one port of the axial air duct 3 is fixedly connected to a connecting plate 7, four corners of the connecting plate 7 are respectively provided with a first through hole 8 for passing through a first screw rod, so that the first screw rod is in threaded connection with an edge of the air outlet, and a sealing gasket is embedded between the connecting plate 7 and the edge of the air outlet.
In the present embodiment, specifically, the curvature of the connecting plate 7 matches the curvature of the axial side surface of the rear fan housing 1, and the first screw is screwed, so that the sealing pad is tightly squeezed between the connecting plate 7 and the edge of the air outlet, thereby preventing air leakage.
As shown in fig. 1, 2, 3, and 4, in a specific embodiment, the air conditioner further includes a plurality of mounting plates 9, the mounting plates 9 are fixedly connected to an axial side of the axial air duct 3 and an axial side of the radial air duct 4, respectively, and the mounting plates 9 are provided with second through holes 10 for passing a second screw rod so that the second screw rod is threadedly connected to the motor housing 5.
In this embodiment, specifically, each mounting plate 9 is fixedly welded to the axial side of the axial air duct 3 or the axial side of the radial air duct 4, and the second screw passing through the second through hole 10 is screwed into the blind threaded hole on the surface of the motor housing 5, so as to enhance the firmness of the axial air duct 3 and the radial air duct 4 relative to the motor housing 5.
As shown in fig. 1, 2 and 3, in a specific embodiment, the other end surface of the radial air duct 4 is inclined with respect to a radial cross section of the radial air duct 4.
In the present embodiment, specifically, the other end surface of the radial duct 4 that is inclined relative to the motor front end bearing (the area of the other end surface of the radial duct 4 is larger than the area of the radial cross section of the radial duct 4) faces the motor front end bearing, and when the airflow velocity in the radial duct 4 is constant, the area of the motor front end bearing that the airflow per unit volume contacts per unit time can be increased, the air circulation amount on the surface of the motor front end bearing can be increased, and the cooling rate of the motor front end bearing can be increased.
As shown in fig. 1, in a specific embodiment, the flow guide portion includes a first flow guide portion and a second flow guide portion, the first flow guide portion and the second flow guide portion have the same structure and both include an axial duct 3 and a radial duct 4, and the first flow guide portion and the second flow guide portion are arranged on the left and right sides of the motor housing 5 in a mirror symmetry manner.
In this embodiment, specifically, one end of each of the two axial air ducts 3 is connected to the opposite axial side of the rear fan housing 1, and the other end of each of the two radial air ducts 4 extends to the opposite axial side of the front end bearing of the motor, so that two cooling air flows blown out relatively wrap around the front end bearing of the motor, and the front end bearing of the motor is cooled by 360 degrees without dead angles.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.
Claims (6)
1. A high-speed motor front axle cooling device is characterized by comprising:
the fan comprises a blowing part and a control part, wherein the blowing part comprises a rear end fan and a rear fan cover, the rear end fan is arranged at the rear end of the motor shaft, and the rear fan cover encloses the rear end fan;
the flow guide part comprises an axial air pipe and a radial air pipe, one end of the axial air pipe is connected to the shaft side face of the rear fan cover, the other end of the axial air pipe is connected to one end of the radial air pipe, and the other end of the radial air pipe radially extends to a front end bearing of the motor along the front end face of the motor shell.
2. The front axle cooling device of high-speed motor according to claim 1,
an air outlet is formed in the shaft side face of the rear fan cover, and one end of the axial air pipe is detachably connected to the air outlet.
3. The front axle cooling device of high-speed motor according to claim 2,
the utility model discloses an air outlet structure, including axial tuber pipe, connecting plate, first screw rod, connecting plate, air outlet, the marginal fixed connection of a port edge of axial tuber pipe in the connecting plate, the four corners of connecting plate is equipped with first through-hole respectively for pass first screw rod, so that first screw rod threaded connection in the edge of air outlet, the connecting plate with inlay between the edge of air outlet and be equipped with sealed the pad.
4. The front axle cooling device of a high-speed motor according to any one of claims 1 to 3,
still include a plurality of mounting panels, it is a plurality of the mounting panel respectively fixed connection in the axial side of axial tuber pipe with the axial side of radial tuber pipe, the mounting panel is equipped with the second through-hole for pass the second screw rod, so that second screw rod threaded connection is in motor casing.
5. The front axle cooling device of a high-speed motor according to any one of claims 1 to 3,
and the other end surface of the radial air pipe is inclined relative to the radial section of the radial air pipe.
6. The front axle cooling device of a high-speed motor according to any one of claims 1 to 3,
the water conservancy diversion portion includes first water conservancy diversion portion and second water conservancy diversion portion, first water conservancy diversion portion and second water conservancy diversion portion structure are the same, all include axial tuber pipe and radial tuber pipe, first water conservancy diversion portion with second water conservancy diversion portion mirror symmetry sets up in the left and right sides of motor casing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123263106.5U CN216530873U (en) | 2021-12-23 | 2021-12-23 | High-speed motor front shaft cooling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123263106.5U CN216530873U (en) | 2021-12-23 | 2021-12-23 | High-speed motor front shaft cooling device |
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| Publication Number | Publication Date |
|---|---|
| CN216530873U true CN216530873U (en) | 2022-05-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123263106.5U Active CN216530873U (en) | 2021-12-23 | 2021-12-23 | High-speed motor front shaft cooling device |
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| CN (1) | CN216530873U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115045922A (en) * | 2022-07-14 | 2022-09-13 | 新疆伊犁钢铁有限责任公司 | Motor coupling safety protection cover |
-
2021
- 2021-12-23 CN CN202123263106.5U patent/CN216530873U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115045922A (en) * | 2022-07-14 | 2022-09-13 | 新疆伊犁钢铁有限责任公司 | Motor coupling safety protection cover |
| CN115045922B (en) * | 2022-07-14 | 2024-04-19 | 新疆伊犁钢铁有限责任公司 | Safety protection cover for motor coupler |
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