CN113982898A - Engine high-pressure oil pump fire resistance test tool - Google Patents
Engine high-pressure oil pump fire resistance test tool Download PDFInfo
- Publication number
- CN113982898A CN113982898A CN202111204558.8A CN202111204558A CN113982898A CN 113982898 A CN113982898 A CN 113982898A CN 202111204558 A CN202111204558 A CN 202111204558A CN 113982898 A CN113982898 A CN 113982898A
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- pressure oil
- oil
- oil pump
- fuel
- engine
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- 238000012360 testing method Methods 0.000 title claims abstract description 54
- 239000000446 fuel Substances 0.000 claims abstract description 38
- 241000538562 Banjos Species 0.000 claims abstract description 19
- 239000003921 oil Substances 0.000 claims description 162
- 239000000295 fuel oil Substances 0.000 claims description 25
- 238000009434 installation Methods 0.000 claims description 8
- 230000009970 fire resistant effect Effects 0.000 claims description 6
- 230000005540 biological transmission Effects 0.000 claims description 5
- 239000010705 motor oil Substances 0.000 claims description 4
- 239000002828 fuel tank Substances 0.000 claims description 3
- 239000000306 component Substances 0.000 description 5
- 238000013461 design Methods 0.000 description 4
- 238000012795 verification Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 230000032258 transport Effects 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B51/00—Testing machines, pumps, or pumping installations
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Testing Of Engines (AREA)
Abstract
The invention discloses a fire resistance test tool for a high-pressure oil pump of an engine, which comprises a burner, the high-pressure oil pump, a tool rack and a standard joint, wherein the burner is arranged on one side of the high-pressure oil pump; the high-pressure oil pump is provided with a high-pressure oil pipe, a fuel hose assembly, an oil quantity control unit and a temperature sensor, the fuel hose assembly is provided with a fuel damper, and the high-pressure oil pump is provided with a Banjo joint assembly through a hollow bolt. The scheme can simulate the assembly state of the high-pressure oil pump on the engine, simplify the fire resistance test, replace the complex structure of the whole engine for the fire resistance test, reduce the cost of the whole engine test, reduce the assembly of parts and components and meet the basic requirements of the fire resistance test.
Description
Technical Field
The invention relates to the field of aviation, in particular to a fire resistance test tool for a high-pressure oil pump of an engine.
Background
The aircraft engine is a core component of an aircraft in the field of navigation, and not only needs to meet the performance requirements of the engine, but also needs to meet the fireproof requirements of civil aviation. Namely: each external pipe, joint and other component that retains or transports flammable liquids must be certified by the chinese civil aviation authority as fire-resistant or fire-proof during normal engine operation.
The high-oil pressure pump is used as a fuel supply component of an engine, the fire resistance performance of the high-oil pressure pump must be verified through a specific fire resistance test, the design and the configuration of the high-oil pressure pump can show that the high-oil pressure pump can not cause fuel leakage to aggravate fire or the leakage quantity does not exceed the dangerous quantity under the condition of fire, and the test result shows that the design of the high-oil pressure pump meets the fire resistance grade requirement of the clause '33.17 item b'.
However, based on the current development situation of civil aircraft engines in China, fire-proof verification of the aircraft engines in China only has technical requirements of relevant terms, and specific test implementation modes are few precedents. The invention mainly aims at the implementation mode of the fire resistance test related to the high-pressure oil pump of the aircraft engine, and shows that the high-pressure oil pump can meet the requirements of the civil aviation bureau on the fire resistance of relevant fire resistance terms by simulating the whole machine working mode through relevant test tools.
Disclosure of Invention
Objects of the invention
In view of the above, the present invention provides a fire-resistant testing tool for a high-pressure oil pump of an engine, so as to meet the technical requirements of relevant terms only for fire-resistant verification of an aircraft engine, and a specific testing implementation method is a few precedent, but the existing testing tool has the problems of complicated structure and high manufacturing cost.
(II) technical scheme
In order to achieve the technical purpose, the invention provides a fire resistance test tool for a high-pressure oil pump of an engine, which comprises the following components:
the high-pressure oil pump assembly simulation device comprises a combustor, a high-pressure oil pump, a tool rack and a standard connector, wherein the combustor is arranged on one side of the high-pressure oil pump, and the high-pressure oil pump is arranged on the tool rack and is used for simulating the assembly of the high-pressure oil pump on an engine;
the high-pressure oil pump is provided with a high-pressure oil pipe, a fuel hose assembly, an oil quantity control unit and a temperature sensor, the fuel hose assembly is provided with a fuel damper, the high-pressure oil pump is provided with a Banjo joint assembly through a hollow bolt, the Banjo joint assembly is communicated with an oil rail oil return pipe and an oil injector oil return pipe, and the fuel hose assembly is provided with the pressure sensor through the hollow bolt;
and the oil outlet pipes of the fuel oil damper and the Banjo joint assembly are respectively provided with a standard joint, and the standard joints are used for connecting the flow of fuel oil and simulating the flowing direction of the fuel oil on the engine through a high-pressure oil pump.
Preferably, the high-pressure oil pump is provided with an oil inlet A, an oil inlet B, an oil inlet C, an oil outlet D and an oil outlet E;
the oil inlet A is connected with the standard joint through an oil tank outside the test chamber, so that fuel oil enters the high-pressure oil pump through the fuel oil damper and is used for simulating the oil inlet state of the high-pressure oil pump on the engine;
and the oil inlet B is connected with an oil return pipe of an oil sprayer through an external oil tank of the test room and is used for simulating the state that redundant fuel oil flows back to the Banjo connector assembly after the fuel oil passes through the oil sprayer of the engine.
Preferably, the oil inlet C is connected with an oil rail oil return pipe through an oil tank outside the test chamber and used for simulating the state that redundant fuel oil in an engine oil rail flows back to the Banjo joint assembly;
and the oil outlet D flows the high-pressure fuel oil in the high-pressure oil pump of the high-pressure oil pump out to an external oil tank of the test chamber through a high-pressure oil pipe.
Preferably, the oil outlet E returns the surplus fuel to an external fuel tank outside the test chamber through a standard joint connected to the Banjo joint assembly.
Preferably, the frock rack includes the mounting bracket, is fixed with high-pressure oil pump mount table and installation on the mounting bracket, install and rotate and install the dwang, high-pressure oil pump fixed mounting is on high-pressure oil pump mount table, and the high-pressure oil pump input is connected with the dwang, and the other end of dwang is connected with the driving motor who is fixed in on the frock rack through sprocket assembly transmission.
Preferably, the sprocket assembly is including being fixed in the fixed driven sprocket of dwang corresponding end, and driving motor's output is fixed with drive sprocket, and the transmission is connected with the chain between drive sprocket and the driven sprocket.
Preferably, the dwang passes through the bearing and rotates the installation on, and the quantity of installation is two, and two installations are located the both ends of dwang respectively.
Preferably, a mounting gasket is arranged between the fuel hose assembly and the hollow bolt.
According to the technical scheme, the method has the following beneficial effects:
the scheme can simulate the assembly state of the high-pressure oil pump on the engine, simplify the fire resistance test, replace the complex structure of the whole engine for the fire resistance test, reduce the cost of the whole engine test, reduce the assembly of parts and components and meet the basic requirements of the fire resistance test. Simultaneously, the oil feed that this frock relates to and go out oil pipe way flow adjustable, the frock design is simple reliable, is convenient for laboratory personnel to carry out test operation.
The scheme makes the high-pressure oil pump meet the relevant test verification requirements of the fire-resistant terms required by the civil aviation bureau by simulating the actual working state of the high-pressure oil pump on the engine and on the premise of not changing the assembly state and the flow rate.
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 description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
Fig. 1 is an assembly schematic diagram of a test tool provided by the invention.
Fig. 2 is an assembly schematic diagram of the high-pressure oil pump and the related parts provided by the invention.
Fig. 3 is a schematic structural view of a tooling rack provided by the present invention.
Fig. 4 is a schematic view of the fuel flow direction provided by the present invention.
Description of the drawings: the fuel oil pump comprises a combustor 1, a high-pressure oil pump 2, a high-pressure oil pipe 21, a fuel oil hose assembly 22, a pressure sensor 23, a hollow bolt 24, a mounting gasket 25, a fuel oil control unit 26, a joint assembly 27Banjo, a hollow bolt 28, a fuel rail return pipe 29, a fuel injector return pipe 210, a temperature sensor 211, a fuel oil damper 212, a tooling rack 3, a driven sprocket 31, a chain 32, a driving sprocket 33, a driving motor 34, a high-pressure oil pump mounting rack 35, a mounting rack 36, a mounting seat 37, a rotating rod 38 and a standard joint 4.
Detailed Description
The following description is merely exemplary in nature and is not intended to limit the present disclosure, application, or uses. It should be understood that throughout the drawings, identical or similar reference numerals indicate identical or similar parts and features. The drawings are only schematic representations of the concepts and principles of the embodiments of the disclosure, and do not necessarily show specific dimensions or proportions of the various embodiments of the disclosure. Certain features that are part of a particular figure may be exaggerated in order to illustrate relevant details or structures of embodiments of the present disclosure.
Referring to FIGS. 1-4:
example one
The utility model provides an engine high-pressure oil pump fire resistance test frock, includes combustor 1, high-pressure oil pump 2, frock rack 3 and standard joint 4, and combustor 1 sets up in one side of high-pressure oil pump 2, and high-pressure oil pump 2 is installed and is used for simulating the assembly of high-pressure oil pump 2 on the engine on frock rack 3. The high-pressure oil pump 2 is provided with a high-pressure oil pipe 21, a fuel hose assembly 22, an oil quantity control unit 26 and a temperature sensor 211, the fuel hose assembly 22 is provided with a fuel damper 212, the high-pressure oil pump 2 is provided with a Banjo joint assembly 27 through a hollow bolt 28, the Banjo joint assembly 27 is communicated with an oil rail return pipe 29 and an oil injector return pipe 210, and the fuel hose assembly 22 is provided with a pressure sensor 23 through a hollow bolt 24. Specifically, the oil pressure can be detected by the pressure sensor 23, and the pressure sensor 23 is provided in the prior art and can be an existing universal type.
It should be noted that the fuel damper 212 and the outlet line of the Banjo joint assembly 27 are both provided with standard joints 4. Specifically, a standard connector 4 is provided for connecting the fuel flow and simulating the direction of fuel flow through the high-pressure fuel pump 2 on the engine.
In addition, the high-pressure oil pump 2 is provided with an oil inlet A, an oil inlet B, an oil inlet C, an oil outlet D and an oil outlet E; the oil inlet A is connected with the standard connector 4 through an oil tank outside the test chamber, so that fuel enters the high-pressure oil pump 2 through the fuel damper 212 and is used for simulating the oil inlet state of the high-pressure oil pump 2 on the engine.
And the fuel inlet B is connected with a fuel injector oil return pipe 210 through a laboratory external fuel tank and is used for simulating the state that redundant fuel oil flows back to the Banjo joint assembly 27 after the fuel oil passes through an engine fuel injector. The oil inlet C is connected with an oil rail oil return pipe 29 through an oil tank outside the test chamber, and further can be used for simulating the state that redundant fuel oil in an engine oil rail flows back to the Banjo joint assembly 27.
Further, the discharged oil D flows out the high-pressure fuel oil in the high-pressure oil pump 2 to an external oil tank of the test chamber through the high-pressure oil pipe 21. And the effluent E returns excess fuel to the exterior tank of the laboratory through the standard connection 4 connected to the Banjo connection assembly 27.
Example two
The utility model provides an engine high pressure oil pump fire resistance test frock, its on the basis of embodiment one, frock rack 3 includes mounting bracket 36, is fixed with high pressure oil pump mount table 35 and installation 37 on the mounting bracket 36, and the installation 37 is gone up to rotate and is installed dwang 38, and high pressure oil pump 2 fixed mounting is on high pressure oil pump mount table 35, and high pressure oil pump 2 input is connected with dwang 38, and the other end of dwang 38 is connected with driving motor 34 who is fixed in on frock rack 3 through the sprocket assembly transmission.
The sprocket assembly includes a driven sprocket 31 fixed to a corresponding end of the rotating rod 38, a driving sprocket 33 fixed to an output end of the driving motor 34, and a chain 32 drivingly connected between the driving sprocket 33 and the driven sprocket 31. The rotating rod 38 is rotatably mounted on the mounting 37 through a bearing, and the number of the mounting 37 is two, and the two mounting 37 are respectively located at two ends of the rotating rod 38. A mounting gasket 25 is provided between the fuel hose assembly 22 and the hollow bolt 24.
In the invention, the driven chain wheel 31 is driven to rotate by the work of the driving motor 34 on the tool rack 3, so that the rotor inside the high-pressure oil pump 2 rotates, the high-pressure oil pump 2 simulates the tool state on an engine to carry out oil inlet and oil outlet, and the flowing direction of fuel oil is shown in figure 4. After the high-pressure oil pump 2 enters the normal fuel circulation, the combustor 1 is moved to the position shown in fig. 1, and the fire resistance test verification is performed for a predetermined time.
The scheme can simulate the assembly state of the high-pressure oil pump on the engine, simplify the fire resistance test, replace the complex structure of the whole engine for the fire resistance test, reduce the cost of the whole engine test, reduce the assembly of parts and components and meet the basic requirements of the fire resistance test. Simultaneously, the oil feed that this frock relates to and go out oil pipe way flow adjustable, the frock design is simple reliable, is convenient for laboratory personnel to carry out test operation.
Exemplary embodiments of the proposed solution of the present disclosure have been described in detail above with reference to preferred embodiments, however, it will be understood by those skilled in the art that many variations and modifications may be made to the specific embodiments described above, and that many combinations of the various technical features and structures presented in the present disclosure may be made without departing from the concept of the present disclosure, without departing from the scope of the present disclosure, which is defined by the appended claims.
Claims (8)
1. The fire resistance test tool for the high-pressure oil pump of the engine comprises a combustor (1), the high-pressure oil pump (2), a tool rack (3) and a standard connector (4), wherein the combustor (1) is arranged on one side of the high-pressure oil pump (2), and the fire resistance test tool is characterized in that the high-pressure oil pump (2) is arranged on the tool rack (3) and used for simulating the assembly of the high-pressure oil pump (2) on the engine;
the high-pressure oil pump is characterized in that a high-pressure oil pipe (21), a fuel hose assembly (22), an oil quantity control unit (26) and a temperature sensor (211) are installed on the high-pressure oil pump (2), a fuel damper (212) is installed on the fuel hose assembly (22), a Banjo joint assembly (27) is installed on the high-pressure oil pump (2) through a hollow bolt (28), an oil rail oil return pipe (29) and an oil injector oil return pipe (210) are communicated with the Banjo joint assembly (27), and a pressure sensor (23) is installed on the fuel hose assembly (22) through a hollow bolt (24);
and the oil outlet pipes of the fuel damper (212) and the Banjo joint assembly (27) are respectively provided with a standard joint (4), and the standard joints (4) are used for connecting the flow of fuel and simulating the flowing direction of the fuel on the engine through the high-pressure oil pump (2).
2. The engine high-pressure oil pump fire resistance test tool according to claim 1, wherein an oil inlet A, an oil inlet B, an oil inlet C, an oil outlet D and an oil outlet E are arranged on the high-pressure oil pump (2);
the oil inlet A is connected with the standard joint (4) through an oil tank outside the test chamber, so that fuel oil enters the high-pressure oil pump (2) through the fuel oil damper (212) and is used for simulating the oil inlet state of the high-pressure oil pump (2) on the engine;
the oil inlet B is connected with an oil return pipe (210) of the oil sprayer through an external oil tank of the test room and used for simulating the state that redundant fuel oil flows back to the Banjo connector assembly (27) after the fuel oil passes through the engine oil sprayer.
3. The fire-resistant test tool for the high-pressure oil pump of the engine according to claim 2, wherein the oil inlet C is connected with an oil rail oil return pipe (29) through an oil tank outside the test chamber and used for simulating the state that redundant fuel oil in an engine oil rail flows back to the Banjo joint assembly (27);
and the oil outlet D flows the high-pressure fuel oil in the high-pressure oil pump (2) of the high-pressure oil pump out to an external oil tank of the test chamber through a high-pressure oil pipe (21).
4. The engine high-pressure oil pump fire resistance test tool according to claim 3, characterized in that the oil outlet E returns redundant fuel oil to an external fuel tank of the test chamber through a standard joint (4) connected to a Banjo joint assembly (27).
5. The engine high pressure oil pump fire-resistant test tool according to any one of claims 1 to 4, characterized in that the tool rack (3) comprises a mounting rack (36), a high pressure oil pump mounting table (35) and an installation (37) are fixed on the mounting rack (36), a rotating rod (38) is installed on the installation (37) in a rotating manner, the high pressure oil pump (2) is fixedly installed on the high pressure oil pump mounting table (35), the input end of the high pressure oil pump (2) is connected with the rotating rod (38), and the other end of the rotating rod (38) is connected with a driving motor (34) fixed on the tool rack (3) through a sprocket assembly transmission.
6. The engine high-pressure oil pump fire resistance test tool according to claim 5, wherein the sprocket assembly comprises a driven sprocket (31) fixed to a corresponding end of the rotating rod (38), a driving sprocket (33) is fixed to an output end of the driving motor (34), and a chain (32) is connected between the driving sprocket (33) and the driven sprocket (31) in a transmission mode.
7. The engine high pressure oil pump fire resistance test tool according to claim 5, characterized in that the rotating rod (38) is rotatably mounted on the mounting (37) through a bearing, the number of the mounting (37) is two, and the two mounting (37) are respectively located at two ends of the rotating rod (38).
8. The engine high pressure oil pump fire resistance test tool according to claim 5, characterized in that a mounting gasket (25) is arranged between the fuel hose assembly (22) and the hollow bolt (24).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111204558.8A CN113982898B (en) | 2021-10-15 | 2021-10-15 | Fire-resistant test tool for high-pressure oil pump of engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111204558.8A CN113982898B (en) | 2021-10-15 | 2021-10-15 | Fire-resistant test tool for high-pressure oil pump of engine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113982898A true CN113982898A (en) | 2022-01-28 |
| CN113982898B CN113982898B (en) | 2023-06-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111204558.8A Active CN113982898B (en) | 2021-10-15 | 2021-10-15 | Fire-resistant test tool for high-pressure oil pump of engine |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4206634A (en) * | 1978-09-06 | 1980-06-10 | Cummins Engine Company, Inc. | Test apparatus and method for an engine mounted fuel pump |
| CN101004161A (en) * | 2006-12-18 | 2007-07-25 | 中国船舶重工集团公司第七一一研究所 | Electric controlled tester and testing method for preformance of high-pressure oil pump in use for coaxial tracks of engines |
| CN208651012U (en) * | 2018-05-02 | 2019-03-26 | 东风康明斯发动机有限公司 | Diesel engine low-voltage fuel pipeline |
| CN111237109A (en) * | 2020-03-23 | 2020-06-05 | 安徽航瑞航空动力装备有限公司 | Leakage test device suitable for high-pressure common-rail transverse cavity oil inlet type oil injector of piston type diesel engine |
| CN111238820A (en) * | 2020-03-25 | 2020-06-05 | 中国航发哈尔滨东安发动机有限公司 | Lubricating oil pump fire-proof test equipment |
| CN213928595U (en) * | 2020-11-12 | 2021-08-10 | 一拖(洛阳)柴油机有限公司 | Natural suction type common rail diesel engine oil supply device |
-
2021
- 2021-10-15 CN CN202111204558.8A patent/CN113982898B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4206634A (en) * | 1978-09-06 | 1980-06-10 | Cummins Engine Company, Inc. | Test apparatus and method for an engine mounted fuel pump |
| CN101004161A (en) * | 2006-12-18 | 2007-07-25 | 中国船舶重工集团公司第七一一研究所 | Electric controlled tester and testing method for preformance of high-pressure oil pump in use for coaxial tracks of engines |
| CN208651012U (en) * | 2018-05-02 | 2019-03-26 | 东风康明斯发动机有限公司 | Diesel engine low-voltage fuel pipeline |
| CN111237109A (en) * | 2020-03-23 | 2020-06-05 | 安徽航瑞航空动力装备有限公司 | Leakage test device suitable for high-pressure common-rail transverse cavity oil inlet type oil injector of piston type diesel engine |
| CN111238820A (en) * | 2020-03-25 | 2020-06-05 | 中国航发哈尔滨东安发动机有限公司 | Lubricating oil pump fire-proof test equipment |
| CN213928595U (en) * | 2020-11-12 | 2021-08-10 | 一拖(洛阳)柴油机有限公司 | Natural suction type common rail diesel engine oil supply device |
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|---|---|
| CN113982898B (en) | 2023-06-23 |
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