CN208596991U - A kind of sliding bearing air-cooled structure of high speed self-lubricating motor - Google Patents
A kind of sliding bearing air-cooled structure of high speed self-lubricating motor Download PDFInfo
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- CN208596991U CN208596991U CN201821424256.5U CN201821424256U CN208596991U CN 208596991 U CN208596991 U CN 208596991U CN 201821424256 U CN201821424256 U CN 201821424256U CN 208596991 U CN208596991 U CN 208596991U
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- 238000001816 cooling Methods 0.000 claims abstract description 88
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 34
- 238000009423 ventilation Methods 0.000 claims description 10
- 230000005855 radiation Effects 0.000 claims description 8
- 230000006835 compression Effects 0.000 claims description 5
- 238000007906 compression Methods 0.000 claims description 5
- 230000015572 biosynthetic process Effects 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 9
- 230000017525 heat dissipation Effects 0.000 abstract description 4
- 230000005540 biological transmission Effects 0.000 abstract 1
- 230000005611 electricity Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 239000003595 mist Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
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Abstract
The utility model discloses a kind of sliding bearing air-cooled structures of high speed self-lubricating motor, including base, base both ends are respectively equipped with drive end bearing bracket, front-end bearing pedestal, rear end cap and rear bearing block, multiple cooling pipes for being parallel to base axis are along the circumferential direction equipped in base, base rear end is equipped with fan guard, the cooling fan connecting with rotating shaft transmission is equipped in fan guard, the fore bearing inner cover being fixedly connected with drive end bearing bracket is equipped on rear side of front-end bearing pedestal, front-end bearing pedestal, a closed cooling chamber is formed between drive end bearing bracket and fore bearing inner cover, air inlet and air outlet are respectively equipped on the side wall of cooling chamber, air inlet is connected to cooling pipe by connecting tube, air outlet is connected to outside air；The utility model be able to solve be transmitted to inside motor existing for current high-speed motor self-lubricating sliding bearing bearing heat is big and insufficient problem that bearing heat-sinking capability is small, the heat dissipation effect for effectively improving axle stretch end bearing guarantees the normal operation of self-lubricating plain bearing and the stable operation of high-speed motor.
Description
Technical field
The utility model relates to fire-proof motor technical field more particularly to a kind of sliding bearing wind of high speed self-lubricating motor
Air-cooled structure.
Background technique
In motor field, self-lubricating plain bearing can satisfy the high revolving speed requirement of high-speed motor because of it and follow without the external world
It the advantages of ring oil system, is widely used on high-speed motor.High-speed motor passes through to guarantee the reliability of motor
The structural members such as base, cooler, end cap, bearing arrangement, shaft are isolated by motor outside air, improve the protective of motor
Energy.Cooling air inside motor takes away the heat of electric machine rotor generation in cyclic process, and passes through the cooling on base
Pipe or cooler and outside air carry out heat exchange, distribute heat to outside motor, so that the temperature inside motor is higher than electricity
Machine ambient temperature.To the self-lubricating plain bearing being mounted on high-speed motor end cap, motor internal heat can by shaft,
The air transmitted of separate space is to bearing shell and bearing block between internal bearing cover and bearing block.
When high-speed motor operates, in order to reduce self-lubricating plain bearing operating temperature, need to carry out two-part heat
Cooling heat dissipation, a part heat that high-speed friction generates between bearing shell and axis, another part are the heat inside motor.
Currently, the heat of motor self-lubricating plain bearing is mainly by the cross-ventilation warm in the cooling fin and ambient enviroment outside bearing block
Exchange sheds, wherein the fan positioned at base rear end generates forced convertion by pectinid, to the sliding bearing of motor non-shaft stretching end
Good heat spreading function is played, therefore the bearing temperature is relatively low, but the sliding bearing at motor-shaft extending end is then mainly by axis
Heat dissipation is realized in the natural convection air heat exchange held in the cooling fin and ambient enviroment outside seat, and heat-sinking capability is poor, is often occurred
The high problem of bearing temperature.
In the prior art, it in order to improve the heat-sinking capability of motor-shaft extending end self-lubricating bearing, is typically employed in bearing block
It is passed through cooling or air-cooled to progress outside the bearing block mode of cooling water, still, the above type of cooling does not consider to reduce motor
Inside is transmitted to the heat of bearing and sliding bearing is located at the cooling of motor inboard portion, causes heat-sinking capability that can not much expire
Sufficient heat demand leads to Bearing Temperature, bearing damage is even resulted in when serious.
Utility model content
The purpose of the utility model is to provide a kind of sliding bearing air-cooled structures of high speed self-lubricating motor, are able to solve mesh
It is transmitted to the heat of bearing inside motor existing for preceding high-speed motor self-lubricating sliding bearing greatly and bearing heat-sinking capability is small
Insufficient problem, effectively improves the heat dissipation effect of axle stretch end bearing, guarantees normal operation and the high speed electricity of self-lubricating plain bearing
The stable operation of machine.
The technical solution adopted in the utility model are as follows:
A kind of sliding bearing air-cooled structure of high speed self-lubricating motor, including base, base both ends are respectively equipped with drive end bearing bracket
And rear end cap, drive end bearing bracket are equipped with front-end bearing pedestal, rear end cap is equipped with rear bearing block, rotates between front-end bearing pedestal and rear bearing block
It is connected with shaft, the axle stretch end of shaft connects front-end bearing pedestal by advancing slip dynamic bearing, and the non-shaft stretching end of shaft passes through rear sliding axle
Hold connection rear bearing block；Multiple cooling pipes for being parallel to base axis are along the circumferential direction equipped in base, base rear end is equipped with
Fan guard, fan guard is interior to be equipped with the cooling fan being sequentially connected with shaft non-shaft stretching end, and the front-end bearing pedestal rear side is equipped with and front end
The fore bearing inner cover being fixedly connected is covered, forms a closed cooling chamber between front-end bearing pedestal, drive end bearing bracket and fore bearing inner cover, it is cold
But air inlet and air outlet are respectively equipped on the side wall of chamber, air inlet is connected to cooling pipe by connecting tube, and air outlet connection is outer
Portion's air.
Further, the one side that the front-end bearing pedestal is located at cooling chamber is equipped with cooling fin.
Further, the cooling pipe includes radiation cooled tube and ventilation cooling tube, and radiation cooled tube is connected to fan guard
And outside air, ventilation cooling tube are connected to fan guard and cooling chamber by connecting tube.
Further, the air inlet and air outlet are oppositely arranged on the two sides up and down of cooling chamber.
Further, the air inlet and/or air outlet are arranged on front-end bearing pedestal.
Further, the air inlet and/or air outlet are arranged on drive end bearing bracket.
Further, the quantity of the air inlet is at least one, and each air inlet is respectively communicated with a connecting tube.
Further, the air inlet is equipped with triple valve, and triple valve includes one outlet and two entrances, and triple valve goes out
Mouth connection air inlet, an entrance of triple valve connect connecting tube, another entrance of triple valve is connected to external compression gas source.
The utility model has the following beneficial effects:
(1) by using the cooling pipe being arranged in base, by the cooling wind that cooling fan generates be drained to by front-end bearing pedestal,
In the cooling chamber that drive end bearing bracket and fore bearing inner cover are formed, motor internal heat is on the one hand completely cut off and has passed through the air inside cooling chamber
It is transmitted to the approach of sliding bearing, on the other hand strengthens surface heat loss through convection ability of the front-end bearing pedestal close to cooling chamber side,
Meanwhile the shaft surface being located in cooling chamber can be cooled down, reduce motor internal heat by shaft and is transmitted to cunning
The heat of dynamic bearing, to reduce the operating temperature of bearing；
(2) it is drained into cooling chamber by the positive pressure cooling wind for generating external fan, keeps the air pressure at cooling chamber high
In outside motor air pressure, the effect of positive seal is generated in cooling chamber, avoids the mist of oil inside front-end bearing pedestal by electricity
The negative pressure of machine internal fan influences, and then advancing slip dynamic bearing is avoided Leakage occur；
(3) can be using the heat-dissipating pipe of electric machine stand itself as cooling pipe, structure is simple, and can substantially reduce system
Cause this；
(4) by the way that triple valve is arranged in air inlet, make cooling chamber that can not only introduce the cooling wind of cooling fan generation, moreover it is possible to
External compression air, using flexible are accessed, and compressed gas source can play better cooling and bearing seal effect.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model.
Description of symbols:
1, shaft；2, front-end bearing pedestal；3, air outlet；4, drive end bearing bracket；5, fore bearing inner cover；6, radiation cooled tube；7, base；
8, fan guard；9, cooling fan；10, cooling chamber；11, advancing slip dynamic bearing；12, air inlet；13, connecting tube；14, ventilation cooling tube.
Specific embodiment
As shown in Figure 1, the utility model includes base 7,7 both ends of base are respectively equipped with drive end bearing bracket 4 and rear end cap, and (attached drawing is not
Label), drive end bearing bracket 4 is equipped with front-end bearing pedestal 2, and rear end cap is equipped with rear bearing block (attached drawing is unmarked), front-end bearing pedestal 2 and rear axle
Hold and be rotatably connected to shaft 1 between seat, the axle stretch end of shaft 1 connects front-end bearing pedestal 2 by advancing slip dynamic bearing 11, shaft 1 it is non-
Axle stretch end connects rear bearing block by rear sliding bearing；The cold of 7 axis of base along the circumferential direction is parallel to equipped with multiple in base 7
But pipeline, 7 rear end of base are equipped with fan guard 8, are equipped with the cooling fan 9 being sequentially connected with 1 non-shaft stretching end of shaft in fan guard 8；Before
The fore bearing inner cover 5 being fixedly connected with drive end bearing bracket 4, front-end bearing pedestal 2, drive end bearing bracket 4 and fore bearing inner cover 5 are equipped on rear side of bearing block 2
Between form a closed cooling chamber 10, be respectively equipped with air inlet 12 and air outlet 3, air inlet 12 on the side wall of cooling chamber 10
It is connected to cooling pipe by connecting tube 13, air outlet 3 is connected to outside air.
The utility model in order to better understand with reference to the accompanying drawing does furtherly the technical solution of the utility model
It is bright.
As shown in Figure 1, the utility model includes base 7,7 both ends of base are respectively equipped with drive end bearing bracket 4 and rear end cap, drive end bearing bracket
4 are equipped with front-end bearing pedestal 2, and rear end cap is equipped with rear bearing block, shaft 1 is rotatably connected between front-end bearing pedestal 2 and rear bearing block,
The axle stretch end of shaft 1 connects front-end bearing pedestal 2 by advancing slip dynamic bearing 11, and the non-shaft stretching end of shaft 1 is connected by rear sliding bearing
Rear bearing block；Multiple cooling pipes for being parallel to 7 axis of base are along the circumferential direction equipped in base 7,7 rear end of base is equipped with fan
Cover 8, fan guard 8 is interior to be equipped with the cold wind being sequentially connected with 1 non-shaft stretching end of shaft.
Cooling pipe includes radiation cooled tube 6 for carrying out radiating and cooling to motor itself and for draining cooling wind
Ventilation cooling tube 14.Air inlet 12 is connected to cooling pipe by connecting tube 13, and air outlet 3 is connected to outside air.
It is equipped with the fore bearing inner cover 5 that is fixedly connected with drive end bearing bracket 4 on rear side of front-end bearing pedestal 2, front-end bearing pedestal 2, drive end bearing bracket 4 and preceding
A closed cooling chamber 10 is formed between internal bearing cover 5, it is (attached that the one side that front-end bearing pedestal 2 is located at cooling chamber 10 is equipped with cooling fin
Scheme unmarked).
Air inlet 12 and air outlet 3 are respectively equipped on the side wall of cooling chamber 10, air inlet 12 and air outlet 3 are oppositely arranged
In the two sides up and down of cooling chamber 10, the quantity of air inlet 12 and air outlet 3 is disposed as at least one.Air inlet 12 is arranged right
It answers on the front-end bearing pedestal 2 or drive end bearing bracket 4 of 10 lower part of cooling chamber, the front-end bearing pedestal 2 on corresponding 10 top of cooling chamber is arranged in air outlet 3
Or on drive end bearing bracket 4, air inlet 12 is connected to by connecting tube 13 with the one-to-one correspondence of ventilation cooling tube 14, and air outlet 3 is connected to cooling chamber
10 inside and outside air.
The working principle of the utility model are as follows:
When motor operation, the cooling fan 9 for being fixed on 1 non-shaft stretching end of shaft is rotated together with shaft 1, outside fan guard 8
Air draught simultaneously forms wind pressure in fan guard 8, and the cooling wind of generation is blowed to motor by radiation cooled tube 6 and ventilation cooling tube 14
Front end is distributed by radiation cooled tube 6 into air, is played the role of cooling motor inner air, is successively passed through by ventilation and heat pipe
It is blown into cooling chamber 10 after crossing connecting tube 13 and air inlet 12, passes through air outlet 3 with the air of heat produced by cooling chamber 10
It is dispersed into air, plays the role of cooling 2 inner surface of front-end bearing pedestal and 1 surface of shaft, simultaneously as the pressure of cooling fan 9
The drag effect with air outlet 3 itself to air is acted on, so that the air pressure in cooling chamber 10 is higher than external air pressure,
The effect that positive seal is generated in cooling chamber 10, avoids the mist of oil inside front-end bearing pedestal 2 by the negative pressure shadow of motor internal fan
It rings, and then advancing slip dynamic bearing 11 is avoided Leakage occur.
In order to further increase the flexibility of the utility model and be further ensured that cooling and sealing effect, in air inlet 12
Place's setting triple valve (attached drawing is unmarked), triple valve includes one outlet and two entrances, the outlet air inlet of triple valve
12, an entrance of triple valve connects connecting tube 13, another entrance of triple valve is connected to external compression gas source, keeps this practical new
Type can not only carry out cooling effect by cooling fan 9, moreover it is possible to cooling effect is carried out by external compression air, it is practical,
Flexibility ratio is high.
Finally, it should be noted that above embodiments are only to illustrate the technical solution of the utility model, rather than its limitations；
Although the utility model is described in detail with reference to the foregoing embodiments, those skilled in the art should understand that,
It can still modify to technical solution documented by previous embodiment, or to some or all of the technical features
It is equivalently replaced, and these are modified or replaceed, the utility model embodiment that it does not separate the essence of the corresponding technical solution
The range of technical solution.
Claims (8)
1. a kind of sliding bearing air-cooled structure of high speed self-lubricating motor, including base, base both ends be respectively equipped with drive end bearing bracket and
Rear end cap, drive end bearing bracket are equipped with front-end bearing pedestal, and rear end cap is equipped with rear bearing block, the company of rotation between front-end bearing pedestal and rear bearing block
It is connected to shaft, the axle stretch end of shaft connects front-end bearing pedestal by advancing slip dynamic bearing, and the non-shaft stretching end of shaft passes through rear sliding bearing
Connect rear bearing block；Multiple cooling pipes for being parallel to base axis are along the circumferential direction equipped in base, base rear end is equipped with wind
Fan cover, fan guard is interior to be equipped with the cooling fan being sequentially connected with shaft non-shaft stretching end, it is characterised in that: sets on rear side of the front-end bearing pedestal
There is the fore bearing inner cover being fixedly connected with drive end bearing bracket, formation one is closed between front-end bearing pedestal, drive end bearing bracket and fore bearing inner cover
Cooling chamber, air inlet and air outlet are respectively equipped on the side wall of cooling chamber, and air inlet passes through connecting tube and is connected to cooling pipe, outlet air
Mouth connection outside air.
2. the sliding bearing air-cooled structure of high speed self-lubricating motor according to claim 1, it is characterised in that: the front axle
It holds seat and is located at the one side of cooling chamber equipped with cooling fin.
3. the sliding bearing air-cooled structure of high speed self-lubricating motor according to claim 1 or 2, it is characterised in that: described
Cooling pipe includes radiation cooled tube and ventilation cooling tube, and radiation cooled tube is connected to fan guard and outside air, ventilation cooling tube
Fan guard and cooling chamber are connected to by connecting tube.
4. the sliding bearing air-cooled structure of high speed self-lubricating motor according to claim 3, it is characterised in that: the air inlet
Mouth and air outlet are oppositely arranged on the two sides up and down of cooling chamber.
5. the sliding bearing air-cooled structure of high speed self-lubricating motor according to claim 4, it is characterised in that: the air inlet
Mouth and/or air outlet are arranged on front-end bearing pedestal.
6. the sliding bearing air-cooled structure of high speed self-lubricating motor according to claim 4, it is characterised in that: the air inlet
Mouth and/or air outlet are arranged on drive end bearing bracket.
7. the sliding bearing air-cooled structure of high speed self-lubricating motor according to claim 4, it is characterised in that: the air inlet
The quantity of mouth is at least one, and each air inlet is respectively communicated with a connecting tube.
8. the sliding bearing air-cooled structure of high speed self-lubricating motor according to claim 4, it is characterised in that: the air inlet
Mouthful it being equipped with triple valve, triple valve includes one outlet and two entrances, the outlet air inlet of triple valve, and one of triple valve
Entrance connects connecting tube, another entrance of triple valve is connected to external compression gas source.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821424256.5U CN208596991U (en) | 2018-08-31 | 2018-08-31 | A kind of sliding bearing air-cooled structure of high speed self-lubricating motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821424256.5U CN208596991U (en) | 2018-08-31 | 2018-08-31 | A kind of sliding bearing air-cooled structure of high speed self-lubricating motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208596991U true CN208596991U (en) | 2019-03-12 |
Family
ID=65605488
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821424256.5U Active CN208596991U (en) | 2018-08-31 | 2018-08-31 | A kind of sliding bearing air-cooled structure of high speed self-lubricating motor |
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| Country | Link |
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| CN (1) | CN208596991U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110086285A (en) * | 2019-05-24 | 2019-08-02 | 珠海格力电器股份有限公司 | Motor cabinet and have lathe of this motor cabinet |
| CN110752729A (en) * | 2019-11-02 | 2020-02-04 | 黎兴才 | Compound-transmission dual-rotor new energy automobile motor |
-
2018
- 2018-08-31 CN CN201821424256.5U patent/CN208596991U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110086285A (en) * | 2019-05-24 | 2019-08-02 | 珠海格力电器股份有限公司 | Motor cabinet and have lathe of this motor cabinet |
| CN110752729A (en) * | 2019-11-02 | 2020-02-04 | 黎兴才 | Compound-transmission dual-rotor new energy automobile motor |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: No. 1801 Dushan Avenue, Nanyang City, Henan Province Patentee after: WOLONG ELECTRIC NANYANG EXPLOSION PROTECTION GROUP Co.,Ltd. Country or region after: China Patentee after: WOLONG ELECTRIC GROUP Co.,Ltd. Address before: No. 1801, Dushan Avenue, Nanyang City, Henan Province Patentee before: WOLONG ELECTRIC NANYANG EXPLOSION PROTECTION GROUP Co.,Ltd. Country or region before: China Patentee before: WOLONG ELECTRIC GROUP Co.,Ltd. |