CN115388315A - Oil receiving pool structure for aircraft engine - Google Patents

Oil receiving pool structure for aircraft engine Download PDF

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Publication number
CN115388315A
CN115388315A CN202211069642.8A CN202211069642A CN115388315A CN 115388315 A CN115388315 A CN 115388315A CN 202211069642 A CN202211069642 A CN 202211069642A CN 115388315 A CN115388315 A CN 115388315A
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CN
China
Prior art keywords
oil
hole
oil return
mounting
installation
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Granted
Application number
CN202211069642.8A
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Chinese (zh)
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CN115388315B (en
Inventor
陈颖
毛磊
皮建雄
袁面琼
张涛涛
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AECC Guiyang Engine Design Research Institute
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AECC Guiyang Engine Design Research Institute
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Priority to CN202211069642.8A priority Critical patent/CN115388315B/en
Publication of CN115388315A publication Critical patent/CN115388315A/en
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Publication of CN115388315B publication Critical patent/CN115388315B/en
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16NLUBRICATING
    • F16N31/00Means for collecting, retaining, or draining-off lubricant in or on machines or apparatus
    • F16N31/02Oil catchers; Oil wipers
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02CGAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS
    • F02C7/00Features, components parts, details or accessories, not provided for in, or of interest apart form groups F02C1/00 - F02C6/00; Air intakes for jet-propulsion plants
    • F02C7/06Arrangements of bearings; Lubricating
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16NLUBRICATING
    • F16N29/00Special means in lubricating arrangements or systems providing for the indication or detection of undesired conditions; Use of devices responsive to conditions in lubricating arrangements or systems
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16NLUBRICATING
    • F16N39/00Arrangements for conditioning of lubricants in the lubricating system
    • F16N39/02Arrangements for conditioning of lubricants in the lubricating system by cooling
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16NLUBRICATING
    • F16N39/00Arrangements for conditioning of lubricants in the lubricating system
    • F16N39/06Arrangements for conditioning of lubricants in the lubricating system by filtration
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16NLUBRICATING
    • F16N2210/00Applications
    • F16N2210/08Aircraft
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16NLUBRICATING
    • F16N2260/00Fail safe
    • F16N2260/20Emergency

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Lubrication Details And Ventilation Of Internal Combustion Engines (AREA)

Abstract

The invention discloses an oil receiving pool structure for an aeroengine, which comprises: the whole oil collecting tank shell is of a disc top surface middle part and is provided with a concave disc structure, the side edge of the oil collecting tank shell positioned in the middle lower concave part is provided with an oil return filter mounting through hole, and the opposite side edges of the oil collecting tank shell positioned in the oil return filter mounting through hole are correspondingly provided with an oil return bent pipe mounting through hole and an oil drain switch mounting through hole; the oil return filter is arranged in the oil return filter mounting through hole and filters lubricating oil which flows from the middle part of the oil collection pool shell in a concave mode; and the lubricating oil temperature metal chip annunciator is arranged in the annunciator mounting through hole through the sealing ring B and extends to the inside of the oil return filter. The lubricating oil temperature metal chip end annunciator detects the temperature of the lubricating oil which is not filtered in the oil return filter and the metal chip end, so that the lubricating oil temperature metal chip end annunciator detects the metal chip end of the lubricating oil of the oil return filter screen, and the problem that the metal chip end cannot be detected when the filter screen is damaged or blocked is solved.

Description

Oil receiving pool structure for aircraft engine
Technical Field
The invention relates to an oil collecting tank structure for an aero-engine, and belongs to the technical field of aero-engine accessories.
Background
The oil return system is one of main component systems of an engine lubricating system, and mainly has the functions of pumping back lubricating oil after the lubricating system lubricates moving parts such as engine bearings, gears and the like, separating metal scraps and the like, then sending the lubricating oil into a radiator for heat exchange and cooling, and finally returning the lubricating oil to a lubricating oil tank to enter the next cycle for continuous use. The oil collecting pool is used as an important working part of an oil return system, and the main function of the oil collecting pool is to temporarily collect and store lubricating oil. At present, an aircraft engine is generally provided with an oil recovery pool at each lubricating point or lubricating part to form an oil return point, and a plurality of oil return pumps are arranged to carry out oil return pump work on each oil cavity.
For example, in chinese patent publication No. CN102444644B, the oil filtering and distributing device for supplying two oil pumps of an aircraft engine, the technology adopted is disclosed as follows: the oil penetrates into the first chamber through the first screen and into the second chamber through the second screen; in the first chamber, oil is sucked up by the first oil pump via the first sleeve coupling; although the filter screen can filter the metal scraps, the problem of metal scraps detection cannot be carried out on breakage or blockage of the filter screen.
Disclosure of Invention
In order to solve the technical problem, the invention provides an oil receiving tank structure for an aeroengine.
The invention is realized by the following technical scheme.
The invention provides an oil collecting pool structure for an aircraft engine, which comprises:
the oil collecting tank shell is integrally of a disc-shaped structure with a concave disc-shaped top surface, an oil return filter mounting through hole is formed in the side edge of the oil collecting tank shell positioned in the concave disc-shaped structure, and an oil return bent pipe mounting through hole and an oil drainage switch mounting through hole are correspondingly formed in the opposite side edges of the oil collecting tank shell positioned in the oil return filter mounting through hole;
the oil return filter is arranged in the oil return filter mounting through hole, the oil return filter filters lubricating oil which flows from the middle part of the oil collecting pool shell and sinks downwards, and the filtered lubricating oil flows out from the oil return bent pipe mounting through hole and the oil drain switch mounting through hole;
the lubricating oil temperature metal chip end annunciator is installed in the annunciator installation through hole through the sealing ring B and extends to the inside of the oil return filter to contain unfiltered lubricating oil.
The oil return filter comprises an oil filter screen and a filter screen framework, the oil filter screen is welded and fixed on the filter screen framework, the filter screen framework is provided with side bolt installation through holes and positioning pin holes, the filter screen framework is positioned with the oil collection tank shell through cylindrical positioning pins, and then the filter screen framework is fixed on the oil collection tank shell through stud bolts and nuts.
And the lubricating oil temperature metal chip end annunciator is arranged in the annunciator mounting through hole through the sealing ring B and extends to the inside of the oil return oil filter screen to contain unfiltered lubricating oil.
And the filter screen framework and the oil return filter mounting through hole are provided with a sealing ring A on the oil receiving pool shell.
Receive oil sump shell outside limit an organic whole fixed extension platform that is equipped with, extend the platform outside and be equipped with the through-hole, have bolt and auto-lock nut in the through-hole.
And the oil collecting tank shell positioned at the mounting through hole of the oil return bent pipe is fixedly communicated with the oil return bent pipe through a sealing ring C, a tightening nut and a threaded connection pair.
The oil receiving pool shell positioned at the mounting through hole of the oil drainage switch is fixedly communicated with the oil drainage switch.
The oil drain switch is not a spring-type oil drain switch.
Receive the oil sump casing the oil return is strained the installation through-hole slope and is set up and be less than the recessed bottom surface in middle part, the big both ends in installation through-hole middle part are strained to the oil return is little, and there is the spacing distance in the middle part of straining the installation through-hole with the oil return after the installation is strained to the oil return, and oil return bend installation through-hole, oil drain switch installation through-hole are in the oil return and strain the oil sump casing position department at installation through-hole middle part.
The invention has the beneficial effects that: the lubricating oil temperature metal chip end annunciator detects the temperature of lubricating oil which is not filtered by the return oil filter and metal chip ends, when the return oil filter screen is damaged, the flow velocity of the lubricating oil is accelerated, the temperature of the lubricating oil is reduced and the content of the metal chip ends is reduced, when the return oil filter screen is blocked, the flow velocity of the lubricating oil is slowed, the temperature of the lubricating oil is increased and the content of the metal chip ends is increased, the lubricating oil temperature metal chip end annunciator can transmit detection data in time, the lubricating oil temperature metal chip end annunciator can detect the metal chip ends of the lubricating oil of the return oil filter screen, and the problem that the metal chip ends cannot be detected when the filter screen is damaged or blocked is solved.
Drawings
FIG. 1 is a schematic view of the left front view of the present invention;
FIG. 2 is a schematic left side sectional view of the device of FIG. 1;
FIG. 3 is a schematic front sectional view of the base of FIG. 1;
FIG. 4 is a schematic left side sectional view of the oil receiving sump housing of FIG. 1;
FIG. 5 is a schematic front view of the oil receiving sump housing of FIG. 1;
FIG. 6 is a schematic sectional front view of the oil receiving sump housing of FIG. 5;
in the figure: 1-oil collecting pool shell; 2-screwing the nut; 3-oil return bend pipe; 4-a cylindrical positioning pin; 5-lubricating oil temperature metal filings annunciator; 6-stud; 7-a nut; 8-oil return filtration; 9-oil drain switch; 10-self-locking nut; 11-bolts; 12-sealing ring a; 13-sealing ring B; 14-sealing ring C.
Detailed Description
The technical solution of the present invention is further described below, but the scope of the claimed invention is not limited to the described.
As shown in fig. 1-6.
The application discloses aeroengine is with receiving oil bath structure includes:
the whole dish type structure that sets up for concave dish type structure in the middle part of being the disc top surface receives oil tank casing 1, is located middle part concave 1 side in the oil tank casing is equipped with the oil return and strains the mounting hole, is located the oil return and strains the mounting hole receive oil tank casing 1 opposition side department correspondence and be equipped with oil return bend mounting hole, oil drain switch mounting hole.
And the oil return filter 8 is arranged in the oil return filter mounting through hole, the oil return filter 8 filters lubricating oil which flows from the middle part of the oil receiving pool shell 1 and is concave downwards, and the filtered lubricating oil flows through the pump after flowing out from the oil return bent pipe mounting through hole and the oil drain switch mounting through hole. The oil return filter 8 comprises an oil filter screen and a filter screen framework, the oil filter screen is welded and fixed on the filter screen framework, the filter screen framework is provided with a side bolt installation through hole and a positioning pin hole, the filter screen framework is positioned with the oil collection tank shell 1 through a cylindrical positioning pin 4, and then the filter screen framework is fixed on the oil collection tank shell 1 through a stud 6 and a nut 7. One end of the stud 6 is welded or integrally formed and fixed with the oil collecting tank shell 1, and then the stud is screwed and fixed with a bolt mounting through hole and a nut 7 which penetrate through the filter screen framework. And the filter screen framework and the oil return filter are arranged at the through hole, and the oil collecting tank shell 1 is provided with a sealing ring A12.
The lubricating oil temperature metal chip annunciator 5 (such as CN112253315A can be used) is further included, a annunciator mounting through hole is formed in the middle of the filter screen framework of the oil return filter 8, the lubricating oil temperature metal chip annunciator 5 is mounted in the annunciator mounting through hole through a sealing ring B13 and extends into the oil filter screen of the oil return filter 8 to contain unfiltered lubricating oil, the lubricating oil temperature metal chip annunciator 5 detects the unfiltered lubricating oil temperature and metal chip content of the oil return filter 8, after the oil filter screen of the oil return filter 8 is damaged, the lubricating oil temperature is reduced and the metal chip content is reduced due to the fact that the lubricating oil flow speed is accelerated, and after the oil filter screen of the oil return filter 8 is blocked, the lubricating oil temperature metal chip annunciator 5 can transmit detection data in time, so that the lubricating oil temperature metal chip annunciator 5 can perform metal chip detection on the lubricating oil of the oil filter screen of the oil return filter 8, and the problem that metal chip detection cannot be performed on the damaged or blocking of the filter screen is solved.
An extension table is integrally and fixedly arranged on the outer side edge of the oil receiving tank shell 1, and a through hole is formed in the outer portion of the extension table and is convenient to install on a mounting seat at the bottom of a shell of an engine accessory transmission device through a bolt 11 and a self-locking nut 10.
The oil collecting pool shell 1 positioned at the mounting through hole of the oil return bent pipe is fixedly communicated with the oil return bent pipe 3 through a sealing ring C14, a tightening nut 2 and a threaded connection pair.
The oil receiving pool shell 1 positioned at the mounting through hole of the oil drain switch is fixedly communicated with an oil drain switch 9, and the oil drain switch 9 is a spring type oil drain switch (CN 205605854U can be used).
The oil return filter mounting through hole of the oil collection tank shell 1 is obliquely arranged and is lower than the concave bottom surface in the middle, the middle part of the oil return filter mounting through hole is large, the two ends of the oil return filter mounting through hole are small, the oil return filter 8 is mounted and has a spacing distance with the middle part of the oil return filter mounting through hole, and the oil return bent pipe mounting through hole and the oil drain switch mounting through hole are positioned at the position of the oil collection tank shell 1 in the middle of the oil return filter mounting through hole; the functions of the combination are as follows: lubricating oil flows into an oil return filter 8 in an inclined oil return filter mounting through hole in an impacting manner from a concave part in the middle of an oil collection pool shell 1 to be filtered, the lubricating oil with metal chips and temperature can be pushed to a lubricating oil temperature metal chip end annunciator 5 to be detected each time, the filtered lubricating oil flows back in a space formed by the oil return filter 8 and the oil collection pool shell 1 at the bottom of the oil return filter mounting through hole to form a return fluid body to be stable, and then the lubricating oil is discharged from an oil return elbow mounting through hole and an oil drain switch mounting through hole.

Claims (9)

1. The utility model provides an aeroengine is with receiving oil bath structure which characterized in that includes:
the oil collecting tank shell (1) is integrally of a disc top surface, the middle part of the disc top surface is provided with a concave disc structure, an oil return filter mounting through hole is formed in the side edge of the oil collecting tank shell (1) which is positioned in the concave part of the middle part, and an oil return bent pipe mounting through hole and an oil drain switch mounting through hole are correspondingly formed in the opposite side edge of the oil collecting tank shell (1) which is positioned in the oil return filter mounting through hole;
the oil return filter (8), the oil return filter (8) is installed in the oil return filter installation through hole, the oil return filter (8) filters the lubricating oil which flows from the middle part of the oil collection pool shell (1) and sinks downwards, and the filtered lubricating oil flows out from the oil return bent pipe installation through hole and the oil drain switch installation through hole;
the lubricating oil temperature metal chip end annunciator (5) is installed in the annunciator installation through hole through a sealing ring B (13) and extends to the inside of the oil return filter (8) to contain unfiltered lubricating oil.
2. The oil collecting tank structure for the aircraft engine according to claim 1, characterized in that: oil return is strained (8) and is included oil filter screen and filter screen skeleton, and oil filter screen welded fastening is on the filter screen skeleton, the filter screen skeleton is equipped with side bolt installation through-hole, location pinhole, and the filter screen skeleton is fixed a position with receipts oil bath casing (1) through cylinder locating pin (4), then fixes on receiving oil bath casing (1) through stud (6) and nut (7).
3. The oil collecting tank structure for the aircraft engine according to claim 1, characterized in that: and the lubricating oil temperature metal chip end annunciator (5) is arranged in the annunciator mounting through hole through a sealing ring B (13) and extends to the inside of an oil filter screen of the oil return filter (8) to contain unfiltered lubricating oil.
4. The oil collecting tank structure for the aircraft engine as claimed in claim 2, wherein: and the filter screen framework and the oil return filter mounting through hole are provided with a sealing ring A (12) on the oil receiving pool shell (1).
5. The oil sump structure for an aircraft engine according to claim 1, wherein: receive oil sump casing (1) outside limit an organic whole fixed extension platform that is equipped with, extend the platform outside and be equipped with the through-hole, have bolt (11) and auto-lock nut (10) in the through-hole.
6. The oil collecting tank structure for the aircraft engine according to claim 1, characterized in that: the oil collecting pool shell (1) positioned at the mounting through hole of the oil return bent pipe is fixedly communicated with the oil return bent pipe (3) through the sealing ring C (14), the tightening nut (2) and the threaded connection pair.
7. The oil collecting tank structure for the aircraft engine according to claim 1, characterized in that: the oil receiving tank shell (1) positioned at the through hole for installing the oil drain switch is fixedly communicated with the oil drain switch (9).
8. The oil collecting tank structure for the aircraft engine according to claim 7, characterized in that: the oil drain switch (9) is not a spring type oil drain switch.
9. The oil collecting tank structure for the aircraft engine according to claim 1, characterized in that: receive oil sump casing (1) the oil return is strained the setting of installation through-hole slope and is less than the recessed bottom surface in middle part, the oil return is strained the big both ends in installation through-hole middle part and is little, and the oil return is strained (8) installation back and oil return and is strained the installation through-hole middle part and have a spacing distance, and oil return bend installation through-hole, oil drain switch installation through-hole are in the oil return and strain oil sump casing (1) position department at installation through-hole middle part.
CN202211069642.8A 2022-09-02 2022-09-02 Oil collecting tank structure for aero-engine Active CN115388315B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202211069642.8A CN115388315B (en) 2022-09-02 2022-09-02 Oil collecting tank structure for aero-engine

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Application Number Priority Date Filing Date Title
CN202211069642.8A CN115388315B (en) 2022-09-02 2022-09-02 Oil collecting tank structure for aero-engine

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CN115388315A true CN115388315A (en) 2022-11-25
CN115388315B CN115388315B (en) 2024-08-06

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Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4648363A (en) * 1985-11-12 1987-03-10 Tecumseh Products Company Lubricating oil filtration system for an engine
US6237362B1 (en) * 1999-12-30 2001-05-29 Halla Climate Control Corp. Internal oil separator for compressors of refrigeration systems
JP2006275163A (en) * 2005-03-29 2006-10-12 Fuji Heavy Ind Ltd Lubricating oil face adjusting device of vehicle transmission
CN205744048U (en) * 2016-06-28 2016-11-30 中国南方航空工业(集团)有限公司 False alarm prevention oil filter
US20170350347A1 (en) * 2016-06-06 2017-12-07 Ford Global Technologies, Llc Oil flow control for an engine by deflection
CN109323117A (en) * 2018-12-16 2019-02-12 中国航发沈阳发动机研究所 A kind of lubricating system
CN112253315A (en) * 2020-09-30 2021-01-22 四川新川航空仪器有限责任公司 Magnetic chip detection annunciator
CN112780758A (en) * 2021-03-19 2021-05-11 大庆油田有限责任公司 Lubricating oil metal particle filter equipment in reduction gear

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4648363A (en) * 1985-11-12 1987-03-10 Tecumseh Products Company Lubricating oil filtration system for an engine
US6237362B1 (en) * 1999-12-30 2001-05-29 Halla Climate Control Corp. Internal oil separator for compressors of refrigeration systems
JP2006275163A (en) * 2005-03-29 2006-10-12 Fuji Heavy Ind Ltd Lubricating oil face adjusting device of vehicle transmission
US20170350347A1 (en) * 2016-06-06 2017-12-07 Ford Global Technologies, Llc Oil flow control for an engine by deflection
CN205744048U (en) * 2016-06-28 2016-11-30 中国南方航空工业(集团)有限公司 False alarm prevention oil filter
CN109323117A (en) * 2018-12-16 2019-02-12 中国航发沈阳发动机研究所 A kind of lubricating system
CN112253315A (en) * 2020-09-30 2021-01-22 四川新川航空仪器有限责任公司 Magnetic chip detection annunciator
CN112780758A (en) * 2021-03-19 2021-05-11 大庆油田有限责任公司 Lubricating oil metal particle filter equipment in reduction gear

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