CN115523033A - Integrated accessory transmission casing and aircraft engine - Google Patents
Integrated accessory transmission casing and aircraft engine Download PDFInfo
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- CN115523033A CN115523033A CN202211302637.7A CN202211302637A CN115523033A CN 115523033 A CN115523033 A CN 115523033A CN 202211302637 A CN202211302637 A CN 202211302637A CN 115523033 A CN115523033 A CN 115523033A
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- casing
- oil
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- 230000005540 biological transmission Effects 0.000 title abstract description 28
- 239000000446 fuel Substances 0.000 claims abstract description 109
- 239000003921 oil Substances 0.000 claims abstract description 93
- 239000010687 lubricating oil Substances 0.000 claims abstract description 71
- 239000000295 fuel oil Substances 0.000 claims abstract description 26
- 230000007704 transition Effects 0.000 claims description 8
- 238000009434 installation Methods 0.000 claims description 7
- 239000011248 coating agent Substances 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 3
- 230000009970 fire resistant effect Effects 0.000 claims 1
- 230000008901 benefit Effects 0.000 abstract description 4
- 230000001050 lubricating effect Effects 0.000 abstract description 3
- 238000000034 method Methods 0.000 abstract description 3
- 238000005266 casting Methods 0.000 description 2
- 230000005389 magnetism Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- 239000007858 starting material Substances 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000005242 forging Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02C—GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS
- F02C7/00—Features, 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
- F02C7/32—Arrangement, mounting, or driving, of auxiliaries
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02C—GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS
- F02C7/00—Features, 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
- F02C7/06—Arrangements of bearings; Lubricating
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02C—GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS
- F02C7/00—Features, 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
- F02C7/22—Fuel supply systems
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02C—GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS
- F02C7/00—Features, 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
- F02C7/22—Fuel supply systems
- F02C7/222—Fuel flow conduits, e.g. manifolds
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- General Details Of Gearings (AREA)
Abstract
The invention provides an integrated accessory transmission casing and an aircraft engine, wherein the integrated accessory transmission casing comprises an accessory casing and an oil filter component casing, wherein the oil filter component casing is integrally cast and formed on a casing body; a fuel oil cavity and an oil lubricating cavity are arranged in the oil filter component casing; a fuel pipeline and a lubricating oil pipeline are integrally cast and formed on the cartridge body, the cartridge cover and the oil filter component cartridge receiver; the fuel pipeline is suitable for being communicated with the fuel pump and the fuel cavity, and the lubricating oil pipeline is suitable for being communicated with the lubricating oil pump and the lubricating oil cavity. The integrated accessory transmission case with the structure has the advantages that the oil filter component case and the accessory case are integrally cast and formed, and the fuel oil pipeline and the lubricating oil pipeline are integrally cast and formed on the accessory case, so that process holes can be eliminated, the use of connecting guide sleeves is reduced, and the total weight of the integrated accessory transmission case is reduced; the fuel oil pipeline and the lubricating oil pipeline are integrally cast and formed, the connecting positions of the pipelines are few, oil leakage at the connecting position of the pipelines is effectively prevented, and the fireproof performance of the integrated accessory transmission casing is ensured.
Description
Technical Field
The invention relates to the technical field of aircraft engines, in particular to an integrated accessory transmission casing and an aircraft engine.
Background
The accessory transmission system is an important part of an aircraft engine, the overall layout of the accessory transmission needs to meet the functional requirements of power, rotating speed, steering and the like of each accessory, the accessory transmission system needs to be compact in structure, fuel oil pipelines and lubricating oil pipelines are arranged in a centralized mode, and the accessory transmission system is designed in a coaxial, high-speed, miniaturized and integrated mode and is the main characteristic of advanced accessory transmission system design. The operation of an aircraft engine needs to provide fuel oil with proper flow and pressure for a combustion chamber, and meanwhile, the operation of a bearing needs lubricating oil with proper temperature, pressure and flow for lubrication, so that an oil filter assembly is an essential part of the aircraft engine.
The oil filter component casing contains a large amount of internal pipelines of fuel and lubricating oil, in order to avoid mutual leakage between the fuel oil pipelines and the lubricating oil pipelines, a forging blank is usually adopted by the conventional oil filter component casing, and an oil circuit inside the oil filter component casing is formed by machining, so that a large amount of process holes are designed on the oil filter component casing, a large amount of connecting guide sleeves are designed at the connecting part of the oil circuit and an accessory transmission casing, the total weight of the casing is caused, the oil leakage of a connecting port is easy to occur in long-term use of an internal spline and an external spline, the fireproof performance of the casing is not favorably ensured, and the safety and the service life of an engine are further influenced.
Disclosure of Invention
The technical problem underlying the present invention is therefore to overcome the above mentioned drawbacks of the prior art accessory drive case.
To this end, the invention provides an integrated accessory drive case comprising
The accessory casing comprises a casing body and a casing cover, wherein a fuel pipeline and a lubricating oil pipeline are integrally cast and formed on the casing body and the casing cover; the cartridge body is provided with a fuel pump mounting position and a lubricating oil pump mounting position; the case body is connected with the outer edge of the case cover through a fastener;
the oil filter component casing is integrally cast and formed on the casing body; a fuel oil cavity and an oil lubricating cavity are arranged in the oil filter component casing; the fuel pipeline is suitable for being communicated with a fuel pump and the fuel cavity, and the lubricating oil pipeline is suitable for being communicated with a lubricating oil pump and the lubricating oil cavity.
Optionally, in the integrated accessory transmission case, the fuel pump mounting location is adapted to mount a low-pressure fuel pump and a high-pressure fuel pump, the fuel pump mounting location is provided with a first cavity and a second cavity, the first cavity is adapted to be communicated with the low-pressure fuel pump, and the second cavity is adapted to be communicated with the high-pressure fuel pump; the oil filter component casing and the fuel pump mounting position are respectively arranged on two sides of the casing body in the length direction;
the fuel pipeline comprises a first pipeline and a second pipeline which are arranged on the casing body, the first pipeline and the second pipeline are arranged along the outer wall of the casing body at intervals in parallel, two ends of the first pipeline are communicated with the first cavity and the fuel cavity through arc transition pipe sections respectively, and two ends of the second pipeline are communicated with the second cavity and the fuel high-pressure pump through arc transition pipe sections respectively.
Optionally, in the integrated accessory transmission casing, a mounting position of an electronic fuel control regulator is arranged on the casing cover, and a mounting position of a lubricating oil-fired radiator is arranged on the casing body; a third cavity is arranged on the fuel pump mounting position;
the fuel pipeline also comprises a third pipeline, a fourth pipeline, a fifth pipeline and a sixth pipeline;
the third pipeline comprises a first pipeline section and a second pipeline section, one end of the first pipeline section is communicated with the third cavity, the other end of the first pipeline section extends to the outer edge of the case body along the outer wall of the fuel pump mounting position, the second pipeline section is arranged on the case cover, one end of the second pipeline section is communicated with the first pipeline section, and the other end of the second pipeline section is communicated with the fuel electric control regulator mounting position;
the fourth pipeline and the second pipe section are oppositely arranged on one side of the mounting position of the fuel oil electric control regulator, and the other end of the fourth pipeline is communicated with the fuel oil cavity;
one end of the fifth pipeline is communicated with the fuel oil cavity, and the other end of the fifth pipeline is suitable for being communicated with a fuel oil radiator;
the sixth pipeline comprises a third pipe section and a fourth pipe section, the third pipe section is arranged on the machine case body, the third pipe section and the first pipe section are respectively arranged on the inner side and the outer side of the machine case body, one end of the third pipe section is communicated with the first cavity, and the other end of the third pipe section extends to the outer edge of the machine case body; the fourth pipe section is arranged on the casing cover, the fourth pipe section and the second pipe section are respectively arranged on the inner side and the outer side of the casing body, one end of the fourth pipe section is communicated with the third pipe section, and the other end of the fourth pipe section is communicated with the mounting position of the fuel electric control regulator.
Optionally, in the integrated accessory transmission case, an oil leakage hole is formed in the fuel pump mounting position, the fuel pipeline further includes an oil drainage pipeline communicated with the oil leakage hole, and the oil drainage pipeline and the first pipe section are oppositely arranged at the bottom of the fuel pump mounting position.
Optionally, in the integrated accessory transmission casing described above, a magnetic debris detector mounting location is disposed at an end of the casing body;
the lubricating oil pipeline comprises a seventh pipeline and an eighth pipeline, the seventh pipeline and the eighth pipeline are arranged on the inner side wall of the case body, one end of the seventh pipeline extends to the outer edge of the case body, and the other end of the seventh pipeline is communicated with the lubricating oil pump mounting position; one end of the eighth pipeline is communicated with the magnetic chip detector mounting position, and the other end of the eighth pipeline is communicated with the lubricating oil pump mounting position.
Optionally, in the integrated accessory drive casing described above, the oil line further includes a ninth line, a tenth line, an eleventh line, a twelfth line, and a thirteenth line;
the oil filter assembly casing is provided with a casing body, a ninth pipeline, a tenth pipeline, an eleventh pipeline and a twelfth pipeline, wherein the ninth pipeline is arranged on the inner wall of the casing body, the tenth pipeline, the eleventh pipeline and the twelfth pipeline are arranged on the outer wall of the oil filter assembly casing at intervals, two ends of the ninth pipeline are respectively communicated with the lubricating oil pump mounting position and the lubricating oil cavity, two ends of the tenth pipeline are respectively communicated with the lubricating oil cavity and the lubricating oil radiator mounting position, two ends of the eleventh pipeline are respectively communicated with the lubricating oil radiator mounting position and the lubricating oil cavity, and one end of the twelfth pipeline is communicated with the lubricating oil cavity;
the thirteenth pipeline is arranged on the inner wall of the casing cover, the thirteenth pipeline extends along the length direction of the casing cover, the thirteenth pipeline is suitable for being provided with a first nozzle, and a second nozzle communicated with the thirteenth pipeline is arranged on the outer side of the casing cover.
Optionally, the wall thickness of the integrated accessory drive casing is 3.75mm, and the wall thickness of the fuel pipeline and the wall thickness of the oil pipeline are both 5mm.
Optionally, the integrated accessory drive case described above, the case lid end is provided with a blower mounting interface.
Optionally, the integrated accessory drive case, the accessory case and the oil filter assembly case outer wall are provided with an elastic fireproof coating.
The invention provides an aircraft engine comprising an integrated accessory drive case as described in any one of the above.
The technical scheme of the invention has the following advantages:
1. according to the integrated accessory transmission case, the oil filter component case and the accessory case are integrally cast and formed, and the fuel oil pipeline and the lubricating oil pipeline are integrally cast and formed on the accessory case, so that a fabrication hole can be eliminated, the use of a connecting guide sleeve is reduced, and the total weight of the integrated accessory transmission case is reduced; the fuel pipeline and the lubricating oil pipeline are integrally cast and formed, the pipeline connecting positions are few, oil leakage at the pipeline connecting position is effectively prevented, and the fireproof performance of the integrated accessory transmission casing is ensured.
2. First pipeline and second pipeline are arranged along the parallel interval of casing body outer wall to both ends all set up arc transition pipeline section, do not have alternately overlapping between the pipeline, do benefit to the casting shaping and guarantee the intensity and the stability of pipeline.
3. The third pipe section and the first pipe section are respectively arranged on the inner side and the outer side of the machine box body, and the fourth pipe section and the second pipe section are respectively arranged on the inner side and the outer side of the machine box body, so that the optimization of pipeline arrangement is facilitated, the pipelines are guaranteed not to be overlapped in a crossed mode, the pipelines are conveniently cast integrally, and the pipeline strength and stability are guaranteed.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a first angular exploded view of an integrated accessory drive case provided in accordance with embodiment 1 of the present invention;
FIG. 2 is a second perspective exploded view of the integrated accessory drive case provided in accordance with embodiment 1 of the present invention;
fig. 3 is a mounting structure diagram of the integrated accessory drive casing according to embodiment 1 of the present invention.
Description of reference numerals:
10. a case body; 101. a fuel pump mounting location; 1011. a first cavity; 1012. a second cavity; 1013. a third cavity; 102. a lubricating oil pump mounting position; 103. a mounting position of a fuel oil radiator; 104. a magnetic debris detector mounting location; 105. an alternator mounting site; 20. a case cover; 201. a fuel electric control regulator mounting position; 202. a blower mounting interface; 203. a starter/generator mounting location; 30. an oil filter assembly case; 401. a first pipeline; 402. a second pipeline; 403. a third pipeline; 4031. a first tube section; 4032. a second tube section; 404. a fourth pipeline; 405. a fifth pipeline; 406. a sixth pipeline; 4061. a third tube section; 4062. a fourth tube section; 407. an oil discharge pipeline; 501. a seventh pipeline; 502. an eighth pipeline; 503. a ninth conduit; 504. a tenth pipeline; 505. an eleventh line; 506. a twelfth pipeline; 507. a thirteenth pipeline.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it is to be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In addition, the technical features involved in the different embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
Example 1
The embodiment provides an integrated accessory transmission casing, as shown in fig. 1 to 3, which includes an accessory casing and an oil filter component casing 30, wherein the accessory casing includes a casing body 10 and a casing cover 20, and the casing body 10 is provided with a fuel pump mounting position 101 and a lubricating oil pump mounting position 102; the outer edges of the case body 10 and the case cover 20 are connected through a fastener; the oil filter element casing 30 is integrally cast and formed on the casing body 10; a fuel oil cavity and a lubricating oil cavity are arranged in the oil filter assembly casing 30; the casing body 10, the casing cover 20 and the oil filter component casing 30 are integrally cast and formed with a fuel oil pipeline and a lubricating oil pipeline; the fuel pipeline is suitable for being communicated with the fuel pump and the fuel cavity, and the lubricating oil pipeline is suitable for being communicated with the lubricating oil pump and the lubricating oil cavity.
According to the integrated accessory transmission case with the structure, the oil filter component case 30 and the accessory case are integrally cast and formed, and the fuel oil pipeline and the lubricating oil pipeline are integrally cast and formed on the accessory case, so that process holes can be eliminated, the use of connecting guide sleeves is reduced, and the total weight of the integrated accessory transmission case is reduced; the fuel oil pipeline and the lubricating oil pipeline are integrally cast and formed, the connecting positions of the pipelines are few, oil leakage at the connecting position of the pipelines is effectively prevented, and the fireproof performance of the integrated accessory transmission casing is ensured.
Referring to fig. 1, a fuel pump mounting position 101 is suitable for mounting a fuel low-pressure pump and a fuel high-pressure pump, the fuel pump mounting position 101 is provided with a first cavity 1011 and a second cavity 1012, the first cavity 1011 is suitable for being communicated with the fuel low-pressure pump, and the second cavity 1012 is suitable for being communicated with the fuel high-pressure pump; the oil filter component casing 30 and the fuel pump mounting position 101 are respectively arranged on two sides of the casing body 10 in the length direction; the fuel pipeline comprises a first pipeline 401 and a second pipeline 402 which are arranged on the casing body 10, the first pipeline 401 and the second pipeline 402 are arranged in parallel at intervals along the outer wall of the casing body 10, two ends of the first pipeline 401 are communicated with the first cavity 1011 and the fuel cavity through arc-shaped transition pipe sections respectively, and two ends of the second pipeline 402 are communicated with the second cavity 1012 and the fuel high-pressure pump through arc-shaped transition pipe sections respectively. First pipeline 401 and second pipeline 402 are arranged along machine casket body 10 outer wall parallel interval to both ends all set up arc transition pipeline section, do not have alternately overlapping between the pipeline, do benefit to the casting shaping and guarantee the intensity and the stability of pipeline.
When integrated form annex transmission machine casket used, fuel low-pressure pump and fuel high-pressure pump are installed on fuel pump installation position 101, and first cavity 1011 intercommunication fuel low-pressure pump, second cavity 1012 intercommunication fuel high-pressure pump have two fuel low pressure fuel feeding oil circuits, are oil circuit one respectively: low-pressure fuel pump → first conduit 401 → fuel chamber of the fuel filter assembly; and an oil way II: fuel chamber of the oil filter assembly → second conduit 402 → high pressure pump for fuel.
Referring to fig. 1 to 3, a fuel electronic control regulator mounting position 201 is arranged on the casing cover 20, and a fuel oil radiator mounting position 103 is arranged on the oil filter assembly casing 30; the fuel pump mounting position 101 is provided with a third cavity 1013; the fuel line also includes a third line 403, a fourth line 404, a fifth line 405, and a sixth line 406.
Referring to fig. 1, the third pipeline 403 includes a first pipe section 4031 and a second pipe section 4032, the first pipe section 4031 has one end communicating with the third cavity 1013 and the other end extending to the outer edge of the cartridge 10 along the outer wall of the fuel pump mounting location 101, the second pipe section 4032 is disposed on the cartridge cover 20, and the second pipe section 4032 has one end communicating with the first pipe section 4031 and the other end communicating with the fuel electronic control regulator mounting location 201.
Referring to fig. 2, a fourth pipeline 404 is arranged on one side of the mounting position 201 of the electronic fuel regulator opposite to the second pipe section 4032, and one end of the fourth pipeline 404 is communicated with the mounting position 201 of the electronic fuel regulator, and the other end is communicated with the fuel cavity. The other end of the fourth pipeline 404 extends to the outer edge of the casing cover 20, and a first connecting pipe section is arranged at a corresponding position on the casing body 10, the first connecting pipe section is communicated with the fuel cavity, and the first connecting pipe section is communicated with the other end of the fourth pipeline 404.
Referring to fig. 1, a fifth pipeline 405 is disposed on the outer wall of the oil filter assembly casing 30, and one end of the fifth pipeline 405 is communicated with the fuel cavity, and the other end is adapted to be communicated with the lubricant radiator.
Referring to fig. 1 and 2, the sixth pipeline 406 includes a third pipe segment 4061 and a fourth pipe segment 4062, the third pipe segment 4061 is disposed on the casing body 10, the third pipe segment 4061 and the first pipe segment 4031 are disposed on the inner side and the outer side of the casing body 10, respectively, one end of the third pipe segment 4061 communicates with the first cavity 1011, and the other end extends to the outer edge of the casing body 10; fourth pipe section 4062 sets up on case lid 20, and fourth pipe section 4062 sets up respectively in the inside and outside both sides of case body 10 with second pipe section 4032, and fourth pipe section 4062 one end intercommunication third pipe section 4061, and the other end intercommunication fuel automatically controlled regulator installation position 201. The third pipe section 4061 and the first pipe section 4031 are respectively arranged on the inner side and the outer side of the case body 10, and the fourth pipe section 4062 and the second pipe section 4032 are respectively arranged on the inner side and the outer side of the case body 10, so that the pipeline arrangement is optimized, the pipelines are guaranteed not to be overlapped in a crossed mode, the pipelines can be conveniently cast integrally, and the pipeline strength and stability are guaranteed.
Alternatively, referring to fig. 1 and 2, the first pipe section 4031 is disposed on the outer wall of the casing 10, the third pipe section 4061 is disposed on the outer wall of the casing 10, the remaining main portion is disposed on the inner wall of the casing 10, and the third pipe section 4061 is spaced left and right from the first pipe section 4031, so that the first pipe section 4031 and the third pipe section 4061 are offset; the second pipe section 4032 is disposed on the outer wall of the magazine lid 20, the fourth pipe section 4062 is disposed on the outer wall of the magazine lid 20 at the outer edge portion of the magazine lid 20, and the remaining main portion is disposed on the inner wall of the magazine lid 20.
When the integrated accessory transmission casing is used, the fuel electric control regulator is installed on the fuel electric control regulator installation position 201, the lubricating oil burning radiator is installed on the lubricating oil burning radiator installation position 103, and the lubricating oil burning radiator is connected with a fuel distributor. Three fuel oil high-pressure oil supply oil ways are provided, namely an oil way III: fuel high-pressure pump → third pipeline 403 → fuel electronic control regulator; an oil path IV: electronically controlled regulator of fuel → fourth line 404 → fuel chamber of the oil filter assembly → fifth line 405 → radiator of fuel oil → fuel dispenser; an oil way five: electronically controlled regulator of fuel → sixth conduit 406 → low pressure pump of fuel.
Referring to fig. 1, the fuel pump mounting location 101 is provided with an oil leakage hole, the fuel pipeline further includes an oil discharge pipeline 407 communicated with the oil leakage hole, and the oil discharge pipeline 407 is disposed at the bottom of the fuel pump mounting location 101 opposite to the first pipe section 4031 to discharge oil leakage through the oil discharge pipeline 407.
Referring to fig. 1 and 3, a magnetic debris detector mounting position 104 is arranged at the end of the machine box body 10; the lubricating oil pipeline comprises a seventh pipeline 501 and an eighth pipeline 502, the seventh pipeline 501 and the eighth pipeline 502 are arranged on the inner side wall of the casing body 10, one end of the seventh pipeline 501 extends to the outer edge of the casing body 10, and the other end of the seventh pipeline 501 is communicated with the lubricating oil pump mounting position 102; one end of the eighth pipeline 502 is communicated with the magnetic debris detector mounting position 104, and the other end is communicated with the lubricating oil pump mounting position 102.
During the use, install magnetism bits end detector on the magnetism bits end detector installation position 104, seventh pipeline 501 intercommunication oil tank, install the lubricating oil pump on the lubricating oil pump installation position 102, the lubricating oil absorption oil circuit is: oil tank → seventh pipeline 501 → lube pump; the total oil return path of the lubricating oil is as follows: eighth pipe 502 → magnetic debris detector → lube pump.
Referring to fig. 1 and 2, the lube line further includes a ninth line 503, a tenth line 504, an eleventh line 505, a twelfth line 506, and a thirteenth line 507; the ninth pipeline 503 is arranged on the inner wall of the casing body 10, the tenth pipeline 504, the eleventh pipeline 505 and the twelfth pipeline 506 are arranged on the outer wall of the oil filter assembly casing at intervals, two ends of the ninth pipeline 503 are respectively communicated with the lubricating oil pump mounting position 102 and the lubricating oil cavity, two ends of the tenth pipeline 504 are respectively communicated with the lubricating oil cavity and the lubricating oil radiator mounting position 103, two ends of the eleventh pipeline 505 are respectively communicated with the lubricating oil radiator mounting position 103 and the lubricating oil cavity, and one end of the twelfth pipeline 506 is communicated with the lubricating oil cavity; the thirteenth pipeline 507 is disposed on the inner wall of the casing cover 20, the thirteenth pipeline 507 extends along the length direction of the casing cover 20, the thirteenth pipeline 507 is suitable for installing a first nozzle, and a second nozzle communicated with the thirteenth pipeline 507 is disposed outside the casing cover 20. The tenth pipeline 504, the eleventh pipeline 505 and the twelfth pipeline 506 are arranged on the outer wall of the oil filter assembly casing at intervals, and the pipelines are not overlapped in a crossing mode. All the pipelines arranged on the inner wall and the outer wall of the casing body 10 and the casing cover 20 and the outer wall of the oil filter component casing 30 are not crossed, so that all the oil paths can be conveniently integrally cast and formed, and the stability of the oil paths is ensured.
When in use, the other end of the twelfth pipeline 506 is connected with an air inlet casing oil path, and the twelfth pipeline 506 is communicated with the eleventh pipeline 505. The number of the lubricating oil supply oil ways is two, namely an oil way six: the oil pump → the ninth pipeline 503 → the oil cavity of the oil filter assembly → the tenth pipeline 504 → the oil radiator → the eleventh pipeline 505 → the oil cavity of the oil filter assembly → the twelfth pipeline 506 → the air intake casing oil path; an oil way seven: the thirteenth pipeline 507 → the first nozzle and the second nozzle, the first nozzle sprays oil to lubricate the gear inside the accessory case, and the second nozzle lubricates the sealing device of the accessory case.
Optionally, the wall thickness of the casing body 10 and the casing cover 20 is 3.75mm, and the wall thickness of the fuel oil pipeline and the wall thickness of the lubricating oil pipeline are 5mm, so that the thin-wall casing design is realized while the strength and the rigidity of the casing are ensured.
Referring to fig. 3, a blower mounting interface 202 is provided at the end of the casing cover 20, and a particle separator may be installed to improve environmental compatibility of a civil turboshaft engine.
The outer walls of the accessory case and oil filter assembly case 30 are provided with an elastic fireproof coating to effectively improve the fireproof performance of the integrated accessory transmission case.
Referring to fig. 3, the casing cover is provided with a starter/generator mounting location 203 and the casing body is provided with an alternator mounting location 105.
Example 2
The present embodiment provides an aircraft engine comprising the integrated accessory drive case of embodiment 1.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. This need not be, nor should it be exhaustive of all embodiments. And obvious variations or modifications therefrom are within the scope of the invention.
Claims (10)
1. An integrated accessory drive case, comprising:
the accessory casing comprises a casing body (10) and a casing cover (20); the cartridge body (10) is provided with a fuel pump mounting position (101) and a lubricating oil pump mounting position (102); the machine box body (10) is connected with the outer edge of the machine box cover (20) through a fastener;
the oil filter component casing (30) is integrally cast and formed on the casing body (10); a fuel oil cavity and a lubricating oil cavity are arranged in the oil filter assembly casing (30); the oil filter assembly casing is characterized in that a fuel pipeline and a lubricating oil pipeline are integrally cast and formed on the casing body (10), the casing cover (20) and the oil filter assembly casing, the fuel pipeline is suitable for being communicated with a fuel pump and the fuel cavity, and the lubricating oil pipeline is suitable for being communicated with the lubricating oil pump and the lubricating oil cavity.
2. The integrated accessory drive case according to claim 1, wherein the fuel pump mounting location (101) is adapted to mount a low-pressure fuel pump and a high-pressure fuel pump, the fuel pump mounting location (101) is provided with a first cavity (1011) and a second cavity (1012), the first cavity (1011) is adapted to communicate with the low-pressure fuel pump, and the second cavity (1012) is adapted to communicate with the high-pressure fuel pump; the oil filter component casing (30) and the fuel pump mounting position (101) are respectively arranged on two sides of the casing body (10) in the length direction;
the fuel pipeline comprises a first pipeline (401) and a second pipeline (402) which are arranged on the engine casing body (10), the first pipeline (401) and the second pipeline (402) are arranged along the outer wall of the engine casing body (10) at intervals in parallel, two ends of the first pipeline (401) are communicated with the first cavity (1011) and the fuel cavity through arc transition pipe sections respectively, and two ends of the second pipeline (402) are communicated with the second cavity (1012) and the fuel high-pressure pump through arc transition pipe sections respectively.
3. The integrated accessory drive casing according to claim 2, wherein the casing cover (20) is provided with a fuel electronic control regulator mounting location (201), and the oil filter assembly casing (30) is provided with a fuel-oil radiator mounting location (103); a third cavity (1013) is arranged on the fuel pump mounting position (101);
the fuel line further comprises a third line (403), a fourth line (404), a fifth line (405) and a sixth line (406);
the third pipeline (403) comprises a first pipe section (4031) and a second pipe section (4032), one end of the first pipe section (4031) is communicated with the third cavity (1013), the other end of the first pipe section extends to the outer edge of the case body (10) along the outer wall of the fuel pump mounting position (101), the second pipe section (4032) is arranged on the case cover (20), one end of the second pipe section (4032) is communicated with the first pipe section (4031), and the other end of the second pipe section (4032) is communicated with the fuel electric control regulator mounting position (201);
the fourth pipeline (404) and the second pipeline section (4032) are oppositely arranged on one side of the fuel electric control regulator mounting position (201), and the other end of the fourth pipeline (404) is communicated with the fuel cavity;
one end of the fifth pipeline (405) is communicated with the fuel oil cavity, and the other end of the fifth pipeline is suitable for being communicated with a fuel oil radiator;
the sixth pipeline (406) comprises a third pipeline section (4061) and a fourth pipeline section (4062), the third pipeline section (4061) is arranged on the case body (10), the third pipeline section (4061) and the first pipeline section (4031) are respectively arranged on the inner side and the outer side of the case body (10), one end of the third pipeline section (4061) is communicated with the first cavity (1011), and the other end of the third pipeline section (4061) extends to the outer edge of the case body (10); fourth pipe section (4062) set up in on case lid (20), fourth pipe section (4062) with second pipe section (4032) set up respectively in the inside and outside both sides of case body (10), fourth pipe section (4062) one end intercommunication third pipe section (4061), other end intercommunication fuel automatically controlled regulator installation position (201).
4. The integrated accessory drive case according to claim 3, wherein an oil leak hole is provided in the fuel pump mounting location (101), the fuel line further comprising an oil drain line (407) in communication with the oil leak hole, the oil drain line (407) being disposed at a bottom of the fuel pump mounting location (101) opposite the first tube section (4031).
5. The integrated accessory drive case according to any one of claims 1 to 4, wherein a magnetic debris detector mounting location (104) is provided at an end of the case body (10);
the lubricating oil pipeline comprises a seventh pipeline (501) and an eighth pipeline (502), the seventh pipeline (501) and the eighth pipeline (502) are arranged on the inner side wall of the case body (10), one end of the seventh pipeline (501) extends to the outer edge of the case body (10), and the other end of the seventh pipeline is communicated with the lubricating oil pump mounting position (102); one end of the eighth pipeline (502) is communicated with the magnetic debris detector mounting position (104), and the other end of the eighth pipeline is communicated with the lubricating oil pump mounting position (102).
6. The integrated accessory drive casing according to claim 3 or 4, wherein the oil conduit further comprises a ninth conduit (503), a tenth conduit (504), an eleventh conduit (505), a twelfth conduit (506), and a thirteenth conduit (507);
the ninth pipeline (503) is arranged on the inner wall of the casing body (10), the tenth pipeline (504), the eleventh pipeline (505) and the twelfth pipeline (506) are arranged on the outer wall of the oil filter assembly casing at intervals, two ends of the ninth pipeline (503) are respectively communicated with the lubricating oil pump mounting position (102) and the lubricating oil cavity, two ends of the tenth pipeline (504) are respectively communicated with the lubricating oil cavity and the lubricating oil radiator mounting position (103), two ends of the eleventh pipeline (505) are respectively communicated with the lubricating oil radiator mounting position (103) and the lubricating oil cavity, and one end of the twelfth pipeline (506) is communicated with the lubricating oil cavity;
the thirteenth pipeline (507) is arranged on the inner wall of the casing cover (20), the thirteenth pipeline (507) extends along the length direction of the casing cover (20), a first nozzle is suitable to be installed on the thirteenth pipeline (507), and a second nozzle communicated with the thirteenth pipeline (507) is arranged on the outer side of the casing cover (20).
7. The integrated accessory drive casing according to any one of claims 1 to 4, wherein the casing body (10) and the casing cover (20) have a wall thickness of 3.75mm, and the fuel line and the oil line each have a wall thickness of 5mm.
8. The integrated accessory drive case as recited in any one of claims 1 to 4, wherein a blower mounting interface (202) is provided at an end of the case cover (20).
9. The integrated accessory drive casing according to any one of claims 1 to 4, wherein the outer walls of the accessory casing and the oil filter assembly casing (30) are provided with a resilient fire resistant coating.
10. An aircraft engine comprising an integrated accessory drive case according to any of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211302637.7A CN115523033A (en) | 2022-10-24 | 2022-10-24 | Integrated accessory transmission casing and aircraft engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211302637.7A CN115523033A (en) | 2022-10-24 | 2022-10-24 | Integrated accessory transmission casing and aircraft engine |
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| Publication Number | Publication Date |
|---|---|
| CN115523033A true CN115523033A (en) | 2022-12-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211302637.7A Pending CN115523033A (en) | 2022-10-24 | 2022-10-24 | Integrated accessory transmission casing and aircraft engine |
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| Country | Link |
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| CN (1) | CN115523033A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103557080A (en) * | 2013-10-30 | 2014-02-05 | 中国航空动力机械研究所 | Oil filter component |
| CN103590894A (en) * | 2013-11-25 | 2014-02-19 | 中国南方航空工业(集团)有限公司 | Attachment transmission structure |
| CN108104949A (en) * | 2017-12-28 | 2018-06-01 | 中科合肥微小型燃气轮机研究院有限责任公司 | A kind of miniature gas turbine Multifunctional speed-reducing is driven case structure |
| CN109603256A (en) * | 2018-12-16 | 2019-04-12 | 中国航发沈阳发动机研究所 | A kind of accessory drive gearbox component |
| CN113844660A (en) * | 2021-10-09 | 2021-12-28 | 中国航发沈阳发动机研究所 | Integrated accessory casing structure on airplane |
-
2022
- 2022-10-24 CN CN202211302637.7A patent/CN115523033A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103557080A (en) * | 2013-10-30 | 2014-02-05 | 中国航空动力机械研究所 | Oil filter component |
| CN103590894A (en) * | 2013-11-25 | 2014-02-19 | 中国南方航空工业(集团)有限公司 | Attachment transmission structure |
| CN108104949A (en) * | 2017-12-28 | 2018-06-01 | 中科合肥微小型燃气轮机研究院有限责任公司 | A kind of miniature gas turbine Multifunctional speed-reducing is driven case structure |
| CN109603256A (en) * | 2018-12-16 | 2019-04-12 | 中国航发沈阳发动机研究所 | A kind of accessory drive gearbox component |
| CN113844660A (en) * | 2021-10-09 | 2021-12-28 | 中国航发沈阳发动机研究所 | Integrated accessory casing structure on airplane |
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| 江建文;王兵;李文高;: "航空发动机机匣内部油路压力损失试验与计算研究", 航空发动机, vol. 38, no. 03, 15 June 2012 (2012-06-15), pages 5 - 6 * |
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