CN205806234U - A kind of engine bearing lubricating and cooling - Google Patents
A kind of engine bearing lubricating and cooling Download PDFInfo
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- CN205806234U CN205806234U CN201620608824.1U CN201620608824U CN205806234U CN 205806234 U CN205806234 U CN 205806234U CN 201620608824 U CN201620608824 U CN 201620608824U CN 205806234 U CN205806234 U CN 205806234U
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- bearing
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Abstract
The utility model discloses a kind of engine bearing lubricating and cooling, relate to aero engine technology field.Described engine bearing lubricating and cooling comprises Bearing Casing (6), annular oil groove (62) it is provided with on the surface of the bearing mounting hole of described Bearing Casing (6), the side of described Bearing Casing (6) is provided with oilhole (61), one end of described oilhole (61) connects the first fuel feed pump (3), bearing mounting hole connection described in the other end；The outer shroud of bearing is arranged in described Bearing Casing (6), and the internal ring of bearing is fixedly mounted on rotor.The utility model has the advantage of: on the bearing mounting hole surface of Bearing Casing, be provided with annular oil groove, the oilhole arranged in the side of Bearing Casing connects with described annular oil groove, by the first fuel feed pump in described annular oil groove after fuel feeding, the heat of lubricating oil energy band bearing running, reduces the operating temperature of bearing.Lubricating oil is after annular oil groove oozes out, additionally it is possible to bearing is played lubrication.
Description
Technical field
This utility model relates to aero engine technology field, is specifically related to a kind of engine bearing lubricating and cooling.
Background technology
Bearing is as the widely used unit spare part of aircraft engine rotor system, and its effect mainly undertakes rotor footpath
To or axial force, reduce the mechanical load coefficient of friction in transmission process, be one of vital part in rotatory mechanical system.Modern
Aero-engine simplifies the supporting construction of rotor day by day, decreases the number of bearing, therefore, single bearing need to possess than with
Toward higher bearing capacity；Improving constantly along with the performance of modern aeroengine again, the temperature that bearing uses is the highest,
Rotating speed is the highest, and in civil engine, low pressure components the highest physics rotating speed is up to 5000～6000r/min, high-voltage section
Part physics rotating speed is then universal at more than 12000r/min, and therefore, bearing uses environment to become very severe, if can not get well
Lubrication, then rub and not only can increase energy expenditure, more likely damage bearing, make bearing failure, affects electromotor work
Stability and reliability.
Owing to injection lubrication is structurally easier to realize, therefore it is generally used.Its operation principle: lubricating oil is with one
Fixed speed sprays to bearing inner race and retainer gap, gets rid of to outer ring, it is achieved the lubrication of bearing internal external circle under centrifugal action
I.e. cool down.Lubrication and cooling effect depend on the lubricating oil oil mass entered, and lubricating oil oil mass is by nozzle arrangements form and mounting structure
Impact, if spray nozzle clogging or dimension overproof, or there is installing situation not in place, then bearing can not get well lubricating cold
But.
Utility model content
The purpose of this utility model is to provide a kind of engine bearing lubricating and cooling, to solve or at least to alleviate background
The problem at least one place in the presence of technology.
The technical solution of the utility model is: provides a kind of engine bearing lubricating and cooling, comprises Bearing Casing, institute
Being provided with annular oil groove on the surface of the bearing mounting hole stating Bearing Casing, the side of described Bearing Casing is provided with lubricating oil
Hole, one end of described oilhole connects the first fuel feed pump, bearing mounting hole connection described in the other end；The outer shroud of bearing is arranged on
In described Bearing Casing, the internal ring of bearing is fixedly mounted on rotor.
Preferably, it is provided with the first drainage screen in described oilhole.
Preferably, the axially arranged of described annular oil groove has multiple oil storage tank, and described oil storage tank is at described annular oil groove
Circumference uniform distribution is arranged, and in the axial lateral symmetry setting of described annular oil groove.
Preferably, described oil storage tank is more than the width of bearing at the width that bearing is axial.
Preferably, described engine bearing lubricating and cooling also comprises nozzle, and one end of described nozzle connects the second confession
Oil pipe, the oil-out of the other end is arranged between internal ring and the outer shroud of described bearing.
Preferably, described nozzle is removably connected with described second fuel feed pump.
Preferably, it is provided with the second drainage screen between described nozzle and described second fuel feed pump.
Preferably, described Bearing Casing being additionally provided with oil outlet, described oil outlet is at the circumference of described bearing mounting hole
Direction and described oilhole are separated by 180 degree.
The utility model has the advantage of: on the bearing mounting hole surface of Bearing Casing of the present utility model, be provided with annular
Oil groove, the oilhole arranged in the side of Bearing Casing connects with described annular oil groove, by the first fuel feed pump to described ring
In shape oil groove after fuel feeding, lubricating oil can the heat of band bearing running, reduce the operating temperature of bearing.Lubricating oil oozes out from annular oil groove
After, additionally it is possible to bearing is played lubrication.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the engine bearing lubricating and cooling of this utility model one embodiment.
Wherein, 2-nozzle, 3-the first fuel feed pump, 4-the second fuel feed pump, 6-Bearing Casing, 61-oilhole, 62-annular
Oil groove.
Detailed description of the invention
Clearer, below in conjunction with this utility model for the purpose making this utility model implement, technical scheme and advantage
Accompanying drawing in embodiment, is further described in more detail the technical scheme in this utility model embodiment.In the accompanying drawings, ad initio
Represent same or similar element to same or similar label eventually or there is the element of same or like function.Described reality
Executing example is a part of embodiment of this utility model rather than whole embodiments.The embodiment described below with reference to accompanying drawing
It is exemplary, it is intended to be used for explaining this utility model, and it is not intended that to restriction of the present utility model.New based on this practicality
Embodiment in type, the every other enforcement that those of ordinary skill in the art are obtained under not making creative work premise
Example, broadly falls into the scope of this utility model protection.Below in conjunction with the accompanying drawings embodiment of the present utility model is described in detail.
In description of the present utility model, it is to be understood that term " " center ", " longitudinally ", " laterally ", "front", "rear",
The orientation of the instruction such as "left", "right", " vertically ", " level ", " top ", " end " " interior ", " outward " or position relationship are for based on accompanying drawing institute
The orientation shown or position relationship, be for only for ease of description this utility model and simplify description rather than instruction or hint indication
Device or element must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to this practicality
The restriction of novel protected scope.
As it is shown in figure 1, a kind of engine bearing lubricating and cooling, comprise Bearing Casing 6, the bearing peace of Bearing Casing 6
Being provided with annular oil groove 62 on the surface in dress hole, the side of Bearing Casing 6 is provided with oilhole 61, one end of oilhole 61
Connect the first fuel feed pump 3, bearing mounting hole connection described in the other end；The outer shroud of bearing is arranged in described Bearing Casing 6, bearing
Internal ring be fixedly mounted on rotor.
It is provided with annular oil groove 62, at Bearing Casing 6 on the bearing mounting hole surface of Bearing Casing 6 of the present utility model
The oilhole 61 that side is arranged connects with described annular oil groove 62, is supplied in described annular oil groove 62 by the first fuel feed pump 3
After oil, lubricating oil can the heat of band bearing running, reduce the operating temperature of bearing.Lubricating oil is after annular oil groove oozes out, additionally it is possible to right
Bearing plays lubrication.
In the present embodiment, it is provided with the first drainage screen in oilhole 61.Have an advantage in that, can be to flowing to bearing
Lubricating oil filters, it is ensured that the cleaning of bearing oil, prevents from bearing surface is caused damage.
It is understood that annular oil groove 62 be axially also provided with multiple oil storage tank, described oil storage tank is in annular
The circumference uniform distribution of oil groove 62 is arranged, and in the axial lateral symmetry setting of annular oil groove 62.In the present embodiment, annular oil groove 62
Position be exactly in bearing the centre of width of rear bearing be installed, it is to be understood that if annular oil groove is near axle
The side held is arranged, and described oil storage tank can also be arranged in the side of described annular oil groove.
In the present embodiment, described oil storage tank is more than the width of bearing at the width that bearing is axial.Have an advantage in that, convenient
Lubricating oil in annular oil groove 62 is flowed out by described oil storage tank, beneficially the flowing of lubricating oil, after lubricating oil flows out, and can be to bearing shape
Become good lubrication.
In the present embodiment, engine bearing lubricating and cooling also comprises nozzle 2, and one end of nozzle 2 connects the second confession
Oil pipe, the oil-out of the other end is arranged between internal ring and the outer shroud of described bearing.Can be directly to bearing oil spout by nozzle 2
Lubrication, it is ensured that the sufficient lubrication to bearing.In the present embodiment, described second fuel feed pump is rigidity fuel feed pump, has an advantage in that,
The convenient position controlling fuel feed pump, thus the position of fixed nozzle 2.
In the present embodiment, nozzle 2 is removably connected with described second fuel feed pump.Have an advantage in that, when nozzle 2
After blocking, the cleaning of nozzle is facilitated to safeguard and change.
It is understood that be provided with the second drainage screen between nozzle 2 and described second fuel feed pump.Have an advantage in that, can
So that the lubricating oil spraying to bearing to be filtered, it is ensured that the cleaning of bearing oil, prevent from bearing surface is caused damage.
It is understood that can also arrange oil outlet on Bearing Casing 6, described oil outlet is at described bearing mounting hole
Circumferencial direction and oilhole 61 are separated by 180 degree.Have an advantage in that, oil outlet is set, lubricating oil in annular oil groove 62 can be accelerated
Flow velocity, the beneficially heat of band bearing running.Furthermore it is possible to by described first fuel feed pump, the second fuel feed pump and described oil outlet
Connection, forms a closed circuit, is conducive to saving lubricating oil.
Last it is noted that above example is only in order to illustrate the technical solution of the utility model, rather than it is limited
System.Although being described in detail this utility model with reference to previous embodiment, those of ordinary skill in the art should manage
Solve: the technical scheme described in foregoing embodiments still can be modified by it, or enters wherein portion of techniques feature
Row equivalent；And these amendments or replacement, do not make the essence of appropriate technical solution depart from each embodiment of this utility model
The spirit and scope of technical scheme.
Claims (8)
1. an engine bearing lubricating and cooling, it is characterised in that: comprise Bearing Casing (6), described Bearing Casing (6)
Being provided with annular oil groove (62) on the surface of bearing mounting hole, the side of described Bearing Casing (6) is provided with oilhole (61),
One end of described oilhole (61) connects the first fuel feed pump (3), bearing mounting hole connection described in the other end；The outer shroud peace of bearing
Being contained in described Bearing Casing (6), the internal ring of bearing is fixedly mounted on rotor.
2. engine bearing lubricating and cooling as claimed in claim 1, it is characterised in that: described oilhole sets in (61)
It is equipped with the first drainage screen.
3. engine bearing lubricating and cooling as claimed in claim 2, it is characterised in that: the axle of described annular oil groove (62)
To being provided with multiple oil storage tank, described oil storage tank is arranged at the circumference uniform distribution of described annular oil groove (62), and at described annular oil
The axial lateral symmetry of groove (62) is arranged.
4. engine bearing lubricating and cooling as claimed in claim 3, it is characterised in that: described oil storage tank is axial at bearing
Width more than the width of bearing.
5. engine bearing lubricating and cooling as claimed in claim 2, it is characterised in that: described engine bearing lubrication is cold
Radiator cooler also comprises nozzle (2), and one end of described nozzle (2) connects the second fuel feed pump (4), and the oil-out of the other end is arranged on institute
State between the internal ring of bearing and outer shroud.
6. engine bearing lubricating and cooling as claimed in claim 5, it is characterised in that: described nozzle (2) is with detachably
Mode is connected with described second fuel feed pump (4).
7. engine bearing lubricating and cooling as claimed in claim 6, it is characterised in that: described nozzle (2) and described the
Two fuel feed pumps are provided with the second drainage screen between (4).
8. the engine bearing lubricating and cooling as described in any one of claim 1 to 7, it is characterised in that: described bearing machine
Being additionally provided with oil outlet on casket (6), described oil outlet is at circumferencial direction and the described oilhole (61) of described bearing mounting hole
It is separated by 180 degree.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620608824.1U CN205806234U (en) | 2016-06-21 | 2016-06-21 | A kind of engine bearing lubricating and cooling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620608824.1U CN205806234U (en) | 2016-06-21 | 2016-06-21 | A kind of engine bearing lubricating and cooling |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205806234U true CN205806234U (en) | 2016-12-14 |
Family
ID=57505284
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620608824.1U Active CN205806234U (en) | 2016-06-21 | 2016-06-21 | A kind of engine bearing lubricating and cooling |
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| CN (1) | CN205806234U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108799342A (en) * | 2017-05-03 | 2018-11-13 | 中国航发商用航空发动机有限责任公司 | Bearing locking device and aero-engine |
| CN112815014A (en) * | 2021-03-31 | 2021-05-18 | 东方电气集团东方电机有限公司 | Bearing cooling structure and wind driven generator |
| CN114777004A (en) * | 2022-04-18 | 2022-07-22 | 中国科学院工程热物理研究所 | Oil supply structure with shaft sleeve for oil supply bearing under two end rings |
| CN116857288A (en) * | 2023-07-19 | 2023-10-10 | 中国航发沈阳发动机研究所 | Bearing seat cooling structure of main bearing of aero-engine |
-
2016
- 2016-06-21 CN CN201620608824.1U patent/CN205806234U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108799342A (en) * | 2017-05-03 | 2018-11-13 | 中国航发商用航空发动机有限责任公司 | Bearing locking device and aero-engine |
| CN108799342B (en) * | 2017-05-03 | 2020-09-15 | 中国航发商用航空发动机有限责任公司 | Bearing locking device and aircraft engine |
| CN112815014A (en) * | 2021-03-31 | 2021-05-18 | 东方电气集团东方电机有限公司 | Bearing cooling structure and wind driven generator |
| CN114777004A (en) * | 2022-04-18 | 2022-07-22 | 中国科学院工程热物理研究所 | Oil supply structure with shaft sleeve for oil supply bearing under two end rings |
| CN114777004B (en) * | 2022-04-18 | 2023-07-18 | 中国科学院工程热物理研究所 | Oil supply structure with shaft sleeve for lower oil supply bearing of two end rings |
| CN116857288A (en) * | 2023-07-19 | 2023-10-10 | 中国航发沈阳发动机研究所 | Bearing seat cooling structure of main bearing of aero-engine |
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