CN109538632A - A kind of aviation pump immersion oil motor bearing shell and aviation pump immersion oil motor - Google Patents
A kind of aviation pump immersion oil motor bearing shell and aviation pump immersion oil motor Download PDFInfo
- Publication number
- CN109538632A CN109538632A CN201811499754.0A CN201811499754A CN109538632A CN 109538632 A CN109538632 A CN 109538632A CN 201811499754 A CN201811499754 A CN 201811499754A CN 109538632 A CN109538632 A CN 109538632A
- Authority
- CN
- China
- Prior art keywords
- bearing shell
- straight trough
- immersion oil
- central shaft
- shaft hole
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/02—Parts of sliding-contact bearings
- F16C33/04—Brasses; Bushes; Linings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/02—Parts of sliding-contact bearings
- F16C33/04—Brasses; Bushes; Linings
- F16C33/16—Sliding surface consisting mainly of graphite
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K9/00—Arrangements for cooling or ventilating
- H02K9/19—Arrangements for cooling or ventilating for machines with closed casing and closed-circuit cooling using a liquid cooling medium, e.g. oil
- H02K9/193—Arrangements for cooling or ventilating for machines with closed casing and closed-circuit cooling using a liquid cooling medium, e.g. oil with provision for replenishing the cooling medium; with means for preventing leakage of the cooling medium
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Power Engineering (AREA)
- Motor Or Generator Frames (AREA)
- Sliding-Contact Bearings (AREA)
Abstract
The present invention relates to a kind of bearing shell and motors, and in particular to a kind of aviation pump immersion oil motor bearing shell and aviation pump immersion oil motor, the bearing lubrication to solve the problems, such as existing immersion oil motor are inadequate.Aviation pump immersion oil motor bearing shell of the invention, bearing shell have central shaft hole, and circumferentially arranged with multiple first straight troughs on one end end face of bearing shell, the first straight trough is arranged radially along bearing shell end face, and leads to central shaft hole from outer wall；The inner wall of central shaft hole be equipped with it is multiple axially through the second straight trough, multiple second straight troughs and multiple first straight troughs are corresponded and are communicated；The helicla flute axially extended is additionally provided on the inner wall of central shaft hole.Aviation pump immersion oil motor of the invention, including thrust plate and rear bearing shell, at the same above-mentioned bearing shell is preposition as preceding bearing shell, preceding bearing shell and machine shaft cooperation, oil liquid can be accelerated to flow, the heat-sinking capability of motor itself be improved, to extend motor service life.
Description
Technical field
The present invention relates to a kind of bearing shell and motors, and in particular to a kind of aviation pump immersion oil motor bearing shell and aviation pump immersion oil
Motor.
Background technique
The advantages that immersion oil motor is because of its unique radiating mode and efficient working efficiency, is widely used in aviation
Field.The working environment of aviation pump immersion oil motor is more special, the enough lubricating oil of needs between traditional bearing and axis body
It is lubricated, but since there are compatibilities for general lubricant grease and aviation kerosine, so that bearing lubrication is failed, to cause axis
Serious wear is held, motor is caused to can not work normally, reduces the service life of immersion oil motor；In addition, after heavy-duty service, axis
The a large amount of heat of contact surface generation held between axis body is not easy to shed, and bearing rigidity is deteriorated, and shock resistance is deteriorated, and at any time may be used
It can influence the operation of immersion oil motor.
Summary of the invention
Aiming at the problem that bearing lubrication failure of aviation pump immersion oil motor, the present invention provides a kind of aviation pump immersion oil motor
With bearing shell and aviation pump immersion oil motor, which can accelerate the flowing of aviation kerosine, improve the heat-sinking capability of motor itself, thus
It avoids increasing the loss of electric machine, and then extends the service life of motor.
The technical solution of the invention is as follows:
A kind of aviation pump immersion oil motor bearing shell, the bearing shell have central shaft hole, are characterized in that, the bearing shell
One end end face on circumferentially arranged with multiple first straight troughs, the first straight trough being arranged radially along bearing shell end face, and from outer wall
Lead to central shaft hole；
The inner wall of central shaft hole be equipped with it is multiple axially through the second straight trough, multiple second straight troughs and multiple first
Straight trough one-to-one correspondence communicates；The helicla flute axially extended is additionally provided on the inner wall of the central shaft hole.
Further, the material of the bearing shell is carbon graphite.
Further, first straight trough and the second straight trough are evenly arranged in the circumferential.
Further, the quantity of first straight trough and the second straight trough is 4.
A kind of aviation pump immersion oil motor, including shaft, motor casing and the end cap being connected with the motor casing, the motor casing
End face be equipped with oil inlet, the end face of the end cap is equipped with oil outlet, is characterized in that, further includes being sequentially sleeved at
Preceding bearing shell, thrust plate and rear bearing shell in the shaft；
The preceding bearing shell has central shaft hole, and one end and the motor casing are connected, in the other end face circumferentially arranged with
Multiple the first straight troughs communicated with the oil inlet, the first straight trough being arranged radially along bearing shell end face, and lead to from outer wall
The central shaft hole of preceding bearing shell；The inner wall of preceding bearing shell central shaft hole be equipped with it is multiple axially through the second straight trough, multiple described the
Two straight troughs are communicated with multiple first straight troughs one-to-one correspondence；The spiral axially extended is additionally provided on the inner wall of the central shaft hole
Slot；
The thrust plate is fixed in the shaft, and one side is contacted with the end face that the preceding bearing shell is equipped with the first straight trough；
Bearing shell is fixed on the end cap after described, with central shaft hole, along axis on the inner wall of rear bearing shell central shaft hole
To equipped with multiple third straight troughs through rear bearing shell；The third straight trough is communicated with the oil outlet.
Further, the material of the preceding bearing shell and rear bearing shell is carbon graphite.
Further, first straight trough, the second straight trough and third straight trough are evenly arranged in the circumferential, it is ensured that front axle
The oil film on contact surface watt between shaft, rear bearing shell and shaft and preceding bearing shell and thrust plate is more uniform.
Further, the quantity of first straight trough, the second straight trough and third straight trough is 4.
Compared with prior art, the beneficial effects of the present invention are:
(1) aviation pump immersion oil motor bearing shell and aviation pump immersion oil motor of the invention are straight by the second of bearing shell inner wall
Slot and helicla flute can accelerate the flowing of oil liquid, improve the heat-sinking capability of motor itself；Meanwhile aviation pump immersion oil motor is soaked in boat
In empty kerosene, machine shaft is flowed into the contact surface of preceding bearing shell and machine shaft and rear bearing shell by the second straight trough and third straight trough
Oil liquid forms one layer of oil film, can reduce preceding bearing shell and rear bearing bush abrasion, to avoid increasing the loss of electric machine, and then extends motor
Service life.
(2) carbon graphite material, conductive advantage good, wearability is strong can be used in bearing shell of the invention, and has one
Fixed self-lubrication can further avoid bearing bush abrasion, to extend the service life of motor.
(3) aviation pump immersion oil motor of the present invention also can avoid lubrication without reinjecting lubricant grease, save the cost and resource
The compatibility of grease and aviation kerosine and the problem of cause motor to be not normally functioning.
(4) bearing bush structure is versatile, can be applied on high-speed motor, and structure is simple, safe and reliable.
Detailed description of the invention
Fig. 1 is the schematic perspective view of aviation pump immersion oil motor bearing shell embodiment of the present invention；
Fig. 2 is the main view of Fig. 1 bearing shell；
Fig. 3 is the cross-sectional view of Fig. 1 bearing shell；
Fig. 4 is the cross-sectional view of immersion oil motor of the present invention；
Fig. 5 is immersion oil electric motor back shaft watt main view of the present invention
Fig. 6 is the cross-sectional view of immersion oil electric motor back shaft watt of the present invention.
Appended drawing reference are as follows: 1, preceding bearing shell, the first straight trough of 11-, the second straight trough of 12-, 13- helicla flute, 14- third straight trough, 2-
Bearing shell, 7- shaft, 8- motor casing after thrust plate, 3- stator, 4- rotor, 5- end cap, 6-.
Specific embodiment
Below in conjunction with drawings and the specific embodiments, the invention will be further described.
As shown in Figures 1 to 3, according to an embodiment of the invention, aviation pump immersion oil motor has central shaft hole, bearing shell with bearing shell
One end end face on be evenly distributed 4 the first straight troughs 11, the first being arranged radially along bearing shell end face of straight trough 11, and logical from outer wall
To central shaft hole；
The inner wall of central shaft hole be equipped with 4 axially through 12,4 the second straight troughs of the second straight trough and 4 the first straight troughs
One-to-one correspondence communicates；The helicla flute 13 axially extended is additionally provided on the inner wall of central shaft hole.
Bearing shell of the invention can be applied in the immersion oil motor that working environment is oil medium, the second straight trough 12 and helicla flute 13
Oil liquid can be accelerated to flow in the axial direction, improve the heat-sinking capability of motor itself；And one layer is formed between machine shaft and bearing shell
Oil film avoids directly contacting between bearing shell and shaft, reduces frictional dissipation and the abrasion of bearing shell, compensates for traditional bearing and is situated between in oil
The drawbacks of being used when can not be long in matter, and then extend the service life of immersion oil motor.
The advantages that bearing shell in the present embodiment uses carbon graphite material, and carbon graphite material is conductive good, wearability is strong,
And there is certain self-lubrication, it can avoid the abrasion of aviation pump immersion oil motor bearing shell of the present invention, further extend immersion oil electricity
The service life of machine；Therefore the present invention can be common in the immersion oil motor under similar operating condition and rotation mechanical structure, by surveying
Test card, is with a wide range of applications.
Above-mentioned bearing shell is placed in the front end of aviation pump immersion oil motor, aviation pump immersion oil motor of the invention can be obtained.Referring to figure
4, according to an embodiment of the invention, aviation pump immersion oil motor includes stator 3, rotor 4, shaft 7, motor casing 8, is connected in motor casing
On end cap 5；Stator 3 is fixed on motor casing 8, and rotor 4 is fixedly connected with shaft 7, when stator 3 is powered, is applied to rotor 4
It is powered on magnetic force, driving rotor 4 rotates, and then drives shaft 7 to rotate by rotor 4；The end face of motor casing 8 is equipped at least
One oil inlet is preferably 4 for the embodiment of the present invention；The end face of end cap 5 is equipped at least one oil outlet, for this
The embodiment of invention is preferably 4；
It further include the preceding bearing shell 1, thrust plate 2 and rear bearing shell 6 being sequentially sleeved in shaft 7；
Preceding bearing shell 1 has central shaft hole, and one end and motor casing 8 are connected, are interference fitted with casing end face；The other end face
On be evenly distributed 4 the first straight troughs 11 communicated with oil inlet, the first being arranged radially along bearing shell end face of straight trough 11, and from outer
The central shaft hole of bearing shell before wall leads to；
The inner wall of preceding bearing shell central shaft hole be equipped with 4 axially through 12,4 the second straight troughs of the second straight trough and 4 the
One straight trough one-to-one correspondence communicates；Be additionally provided with the helicla flute 13 axially extended on the inner wall of preceding bearing shell central shaft hole, helicla flute with
Second straight trough communicates, referring to Fig. 1~3；
Thrust plate 2 is fixed in shaft 7, and one side is contacted with the end face that preceding bearing shell is equipped with the first straight trough, and immersion oil motor exists
When high-speed cruising, bearing shell is moved backward before thrust plate can prevent；
Bearing shell 6 is fixed on end cap 5 afterwards, is interference fitted with end cap 5；Run through on the inner wall of bearing shell 6 circumferentially arranged with 4 afterwards
The third straight trough 14 of bearing shell 6 afterwards, third straight trough 14 is communicated with the oil outlet on end cap, referring to Figures 5 and 6.
In real work, aviation pump immersion oil motor of the invention is soaked in aviation kerosine, by aviation kerosine to immersion oil
Motor is cooled down.Immersion oil motor operation, aviation kerosine are flowed into from the oil inlet of 8 end face of motor casing, and the rotation of shaft 7 drives oil liquid
The second straight trough 12 and helicla flute 13 of bearing shell 1 before flowing to, the second straight trough 12 can accelerate oil liquid to flow with the cooperation of helicla flute 13, thus
It is quickly cooled down immersion oil motor；Cooperated again by preceding 1 end face of bearing shell with thrust plate 2 and throws away oil liquid from the first straight trough 11, oil liquid
It flows into immersion oil motor gap and rear bearing shell 6 is simultaneously flow to by air gap, the third straight trough 14 of bearing shell 6 is from the oil outlet on end cap 5 after
Outflow.Oil liquid into immersion oil motor is room temperature, is flowed by oil circulation, and the heat in motor is taken away, to play drop
Temperature effect.
Contact surface between preceding bearing shell 1 and shaft 7, preceding bearing shell 1 and thrust plate 2 and rear bearing shell 6 and shaft 7 is respectively formed one layer
Oil film, can reduce the abrasion of preceding bearing shell, thrust plate and rear bearing shell, to avoid increasing the loss of electric machine；Preceding bearing shell in the present embodiment
It is all made of carbon graphite with the material of rear bearing shell, the abrasion of preceding bearing shell and rear bearing shell can be further avoided, to extend motor use
Service life.
Claims (8)
1. a kind of aviation pump immersion oil motor bearing shell, the bearing shell has central shaft hole, it is characterised in that: one end of the bearing shell
Circumferentially arranged with multiple first straight troughs (11) on end face, the first straight trough (11) being arranged radially along bearing shell end face, and from outer
Wall leads to central shaft hole；
The inner wall of central shaft hole be equipped with it is multiple axially through the second straight trough (12), multiple second straight troughs (12) with it is multiple
First straight trough (11) one-to-one correspondence communicates；The helicla flute (13) axially extended is additionally provided on the inner wall of central shaft hole.
2. a kind of aviation pump immersion oil motor bearing shell according to claim 1, it is characterised in that: the material of the bearing shell is
Carbon graphite.
3. a kind of aviation pump immersion oil motor bearing shell according to claim 1 or 2, it is characterised in that: first straight trough
(11) it is evenly arranged in the circumferential with the second straight trough (12).
4. a kind of aviation pump immersion oil motor bearing shell according to claim 3, it is characterised in that: first straight trough (11)
Quantity with the second straight trough (12) is 4.
5. a kind of aviation pump immersion oil motor, including shaft (7), motor casing (8) and the end cap (5) being connected with the motor casing (7),
The end face of the motor casing (8) is equipped with oil inlet, and the end face of the end cap is equipped with oil outlet, it is characterised in that: further includes
Preceding bearing shell (1), thrust plate (2) and the rear bearing shell (6) being sequentially sleeved on the shaft (7)；
The preceding bearing shell (1) has central shaft hole, and one end and the motor casing (8) are connected, circumferentially set in the other end face
There are multiple the first straight troughs (11) communicated with the oil inlet, the first straight trough (11) being arranged radially along preceding bearing shell end face,
And lead to the central shaft hole of preceding bearing shell from outer wall；The inner wall of preceding bearing shell central shaft hole be equipped with it is multiple axially through the second straight trough
(12), multiple second straight troughs (12) correspond with multiple first straight troughs (11) and communicate；On the inner wall of the central shaft hole
It is additionally provided with the helicla flute (13) axially extended；
The thrust plate (2) is fixed on the shaft (7), the end face of one side and the preceding bearing shell equipped with the first straight trough (11)
Contact；
Bearing shell (6) is fixed on the end cap (5) after described, with central shaft hole, edge on the inner wall of rear bearing shell central shaft hole
It is axially arranged with multiple third straight troughs (14) through rear bearing shell (6)；The third straight trough (14) communicates with the oil outlet.
6. a kind of aviation pump immersion oil motor according to claim 5, it is characterised in that: the preceding bearing shell (1) and rear bearing shell
(6) material is carbon graphite.
7. a kind of aviation pump immersion oil motor according to claim 5 or 6, it is characterised in that: first straight trough (11),
Two straight troughs (12) and third straight trough (14) are evenly arranged in the circumferential.
8. a kind of aviation pump immersion oil motor according to claim 7, it is characterised in that: first straight trough (11), second
The quantity of straight trough (12) and third straight trough (14) is 4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811499754.0A CN109538632A (en) | 2018-12-09 | 2018-12-09 | A kind of aviation pump immersion oil motor bearing shell and aviation pump immersion oil motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811499754.0A CN109538632A (en) | 2018-12-09 | 2018-12-09 | A kind of aviation pump immersion oil motor bearing shell and aviation pump immersion oil motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109538632A true CN109538632A (en) | 2019-03-29 |
Family
ID=65854266
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811499754.0A Pending CN109538632A (en) | 2018-12-09 | 2018-12-09 | A kind of aviation pump immersion oil motor bearing shell and aviation pump immersion oil motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109538632A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112576613A (en) * | 2019-09-30 | 2021-03-30 | 大同金属工业株式会社 | Half-split bearing and sliding bearing |
| CN113410954A (en) * | 2021-05-21 | 2021-09-17 | 成都凯天电子股份有限公司 | Self-circulation wet test motor for aviation electric pump |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1734113A (en) * | 2004-04-26 | 2006-02-15 | 松下电器产业株式会社 | Fluid dynamic bearing unit |
| CN201215140Y (en) * | 2008-04-17 | 2009-04-01 | 黄佳华 | Plain bearing for magnetically-actuated pump |
| JP2009257445A (en) * | 2008-04-16 | 2009-11-05 | Mitsubishi Heavy Ind Ltd | Tilting pad thrust bearing |
| CN102322482A (en) * | 2011-09-19 | 2012-01-18 | 重庆大学 | Water lubricating rubber alloy bearing capable of bearing axial loads |
| CN205622384U (en) * | 2016-05-09 | 2016-10-05 | 大连晋田泵业有限公司 | Small -size hydroelectric machine footstep bearing structure of diving |
| CN206929214U (en) * | 2017-07-08 | 2018-01-26 | 常州汇丰粉末冶金有限公司 | Self-lubricating oily bearing |
-
2018
- 2018-12-09 CN CN201811499754.0A patent/CN109538632A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1734113A (en) * | 2004-04-26 | 2006-02-15 | 松下电器产业株式会社 | Fluid dynamic bearing unit |
| JP2009257445A (en) * | 2008-04-16 | 2009-11-05 | Mitsubishi Heavy Ind Ltd | Tilting pad thrust bearing |
| CN201215140Y (en) * | 2008-04-17 | 2009-04-01 | 黄佳华 | Plain bearing for magnetically-actuated pump |
| CN102322482A (en) * | 2011-09-19 | 2012-01-18 | 重庆大学 | Water lubricating rubber alloy bearing capable of bearing axial loads |
| CN205622384U (en) * | 2016-05-09 | 2016-10-05 | 大连晋田泵业有限公司 | Small -size hydroelectric machine footstep bearing structure of diving |
| CN206929214U (en) * | 2017-07-08 | 2018-01-26 | 常州汇丰粉末冶金有限公司 | Self-lubricating oily bearing |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112576613A (en) * | 2019-09-30 | 2021-03-30 | 大同金属工业株式会社 | Half-split bearing and sliding bearing |
| CN112576613B (en) * | 2019-09-30 | 2022-08-09 | 大同金属工业株式会社 | Half-split bearing and sliding bearing |
| CN113410954A (en) * | 2021-05-21 | 2021-09-17 | 成都凯天电子股份有限公司 | Self-circulation wet test motor for aviation electric pump |
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|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190329 |
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| RJ01 | Rejection of invention patent application after publication |