CN114112404B - Test run baffle structure of engine thrust reverser and assembly method thereof - Google Patents
Test run baffle structure of engine thrust reverser and assembly method thereof Download PDFInfo
- Publication number
- CN114112404B CN114112404B CN202111334010.5A CN202111334010A CN114112404B CN 114112404 B CN114112404 B CN 114112404B CN 202111334010 A CN202111334010 A CN 202111334010A CN 114112404 B CN114112404 B CN 114112404B
- Authority
- CN
- China
- Prior art keywords
- engine
- baffles
- spliced
- thrust reverser
- centering
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M15/00—Testing of engines
- G01M15/02—Details or accessories of testing apparatus
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T50/00—Aeronautics or air transport
- Y02T50/60—Efficient propulsion technologies, e.g. for aircraft
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Connection Of Plates (AREA)
- Testing Of Engines (AREA)
Abstract
The application belongs to the technical field of engine thrust reverser test run, and in particular relates to an engine thrust reverser test run baffle structure, which comprises: a plurality of engine reverse pushing baffles are rectangular and spliced with each other; rectangular holes are reserved in the middle parts of the mutually spliced engine reverse thrust baffles; the four engine centering baffles are mutually spliced in the rectangular hole; the center parts of the four engine centering baffles are spliced with each other to form an engine centering hole, and the engine centering holes are spliced with engine reverse thrust baffles around the periphery; and the engine reverse thrust bracket supports each engine reverse thrust baffle and four engine centering baffles which are spliced with each other. In addition, the invention relates to an assembling method for realizing the test run baffle structure of the engine thrust reverser.
Description
Technical Field
The application belongs to the technical field of test run of an engine thrust reverser, and particularly relates to a test run baffle structure of an engine thrust reverser and an assembly method of the test run baffle structure.
Background
When the engine is tested, the high-temperature air flow generated by the thrust reverser can be sucked by the engine, so that the temperature at the inlet of the engine is distorted, the engine stalls and surges, and the stable operation of the engine is influenced.
The current thrust reverser is of unitary construction, and this form of thrust reverser has the following drawbacks:
1) The integral type reverse pushing baffle has large weight and volume, and is inconvenient to store and move;
2) The effective area of the required reverse thrust baffle and the size of the engine centering hole are different when the test of the engine reverse thrust devices of different types is carried out, and the corresponding reverse thrust baffle is required to be designed and manufactured for the test of the engine reverse thrust devices of different types, so that a large amount of manpower and material resources are consumed, and the test period is longer.
The present application has been made in view of the existence of the above-mentioned technical drawbacks.
It should be noted that the above disclosure of the background art is only for aiding in understanding the inventive concept and technical solution of the present invention, which is not necessarily prior art to the present application, and should not be used for evaluating the novelty and the creativity of the present application in the case where no clear evidence indicates that the above content has been disclosed at the filing date of the present application.
Disclosure of Invention
It is an object of the present application to provide a test run baffle structure of an engine thrust reverser and a method of assembling the same, which overcome or alleviate at least one of the known technical drawbacks.
The technical scheme of the application is as follows:
in one aspect, an engine thrust reverser test run baffle structure is provided, comprising:
a plurality of engine reverse pushing baffles are rectangular and spliced with each other; rectangular holes are reserved in the middle parts of the mutually spliced engine reverse thrust baffles;
the four engine centering baffles are mutually spliced in the rectangular hole; the center parts of the four engine centering baffles are spliced with each other to form an engine centering hole, and the engine centering holes are spliced with engine reverse thrust baffles around the periphery;
and the engine reverse thrust bracket supports each engine reverse thrust baffle and four engine centering baffles which are spliced with each other.
According to at least one embodiment of the present application, in the above-mentioned engine thrust reverser test baffle structure, the periphery of each engine thrust reverser and four engine centering baffles is provided with a connecting edge; the adjacent connecting edges are connected through bolts.
According to at least one embodiment of the present application, in the test run baffle structure of the engine thrust reverser, the number of connecting bolts between adjacent connecting edges is at least two.
According to at least one embodiment of the present application, in the above-mentioned engine thrust reverser test baffle structure, each of the engine thrust reverser and the four engine centering baffles has a communication hole along a transverse direction and/or a longitudinal direction;
the engine thrust reverser test baffle structure still includes:
the plurality of connecting reinforcing rods are arranged in a way of correspondingly penetrating through a row along the transverse direction and/or correspondingly penetrating through a row of communication holes along the longitudinal direction.
On the other hand, the assembling method of the test run baffle structure of the engine thrust reverser comprises the following steps:
splicing a plurality of engine reverse-pushing baffles to reach a preset size, and reserving rectangular holes in the middle parts of the mutually spliced engine reverse-pushing baffles;
supporting the engine thrust reverser plates which are spliced with each other by using an engine thrust reverser bracket;
passing the engine through the rectangular hole and positioning;
four matched engine centering baffles are selected and spliced in the rectangular hole, and an engine centering hole formed in the center part of the four mutually spliced engine centering baffles is sleeved on the periphery of the engine;
a plurality of connection reinforcing rods are arranged to penetrate through each row in the transverse direction and/or penetrate through each column of communication holes in the longitudinal direction.
Drawings
FIG. 1 is a schematic view of a test run baffle structure of an engine thrust reverser provided in an embodiment of the present application;
FIG. 2 is a partial cross-sectional view taken along line A-A of FIG. 1;
FIG. 3 is a partial cross-sectional view taken along B-B of FIG. 1;
FIG. 4 is a side view of an engine thrust reverser test run baffle structure provided in an embodiment of the present application;
wherein:
1-an engine reverse thrust baffle; 2-an engine centering baffle; 3-an engine reverse thrust bracket; 4-connecting the reinforcing rods; 5-engine.
For the purpose of better illustrating the embodiments, certain elements of the drawings may be omitted, enlarged or reduced and do not represent the actual product dimensions; further, the drawings are for illustrative purposes, wherein the terms describing the positional relationship are limited to the illustrative description only and are not to be construed as limiting the present patent.
Detailed Description
In order to make the technical solution of the present application and the advantages thereof more apparent, the technical solution of the present application will be more fully described in detail below with reference to the accompanying drawings, it being understood that the specific embodiments described herein are only some of the embodiments of the present application, which are for explanation of the present application, not for limitation of the present application. It should be noted that, for convenience of description, only the portion relevant to the present application is shown in the drawings, and other relevant portions may refer to a general design, and without conflict, the embodiments and technical features in the embodiments may be combined with each other to obtain new embodiments.
Furthermore, unless defined otherwise, technical or scientific terms used in the description of this application should be given the ordinary meaning as understood by one of ordinary skill in the art to which this application belongs. The terms "upper," "lower," "left," "right," "center," "vertical," "horizontal," "inner," "outer," and the like as used in this description are merely used to indicate relative directions or positional relationships, and do not imply that a device or element must have a particular orientation, be configured and operated in a particular orientation, and that the relative positional relationships may be changed when the absolute position of the object being described is changed, and thus should not be construed as limiting the present application. The terms "first," "second," "third," and the like, as used in the description herein, are used for descriptive purposes only and are not to be construed as indicating or implying any particular importance to the various components. The use of the terms "a," "an," or "the" and similar referents in the description of the invention are not to be construed as limited in number to the precise location of at least one. As used in this description, the terms "comprises," "comprising," or the like are intended to cover an element or article that appears before the term and that is listed after the term and its equivalents, without excluding other elements or articles.
Furthermore, unless specifically stated and limited otherwise, the terms "mounted," "connected," and the like in the description herein are to be construed broadly and refer to either a fixed connection, a removable connection, or an integral connection, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can also be communicated with the inside of two elements, and the specific meaning of the two elements can be understood by a person skilled in the art according to specific situations.
The present application is described in further detail below with reference to fig. 1-4.
In one aspect, an engine thrust reverser test run baffle structure is provided, comprising:
a plurality of engine reverse pushing baffles 1 are rectangular and spliced with each other; rectangular holes are reserved in the middle parts of the engine reverse thrust baffles 1 after being spliced with each other;
the four engine centering baffles 2 are mutually spliced in the rectangular holes; the center parts of the four engine centering baffles 2 are spliced with each other to form an engine centering hole, and the engine centering holes are spliced with the engine reverse thrust baffles 1 around the periphery;
the engine thrust reverser bracket 3 supports the engine thrust reverser baffle plates 1 and the four engine centering baffle plates 2 which are spliced with each other.
Based on the engine thrust reverser test baffle structure disclosed in the above embodiment, the test of the engine thrust reverser can be performed by referring to the following steps:
splicing a plurality of engine reverse thrust baffles 1 to reach a preset size, and reserving rectangular holes in the middle parts of the mutually spliced engine reverse thrust baffles 1;
supporting each engine thrust reverser 1 which is spliced with each other by an engine thrust reverser bracket 3;
positioning the engine 5 through the rectangular hole;
four matched engine centering baffles 2 are selected and spliced in rectangular holes, and engine centering holes formed in the center parts of the four engine centering baffles 2 after being spliced are sleeved on the periphery of the engine 1;
the engine 5 is started, and the test run of the engine thrust reverser is performed.
For the test baffle structure of the engine thrust reverser disclosed by the embodiment, as can be understood by those skilled in the art, the main body of the test baffle structure of the engine thrust reverser is designed, and is formed by mutually splicing a plurality of modularized engine thrust reversers 1 and four engine centering baffles 2, when the engine thrust reverser is tested, a proper number of engine thrust reversers 1 can be spliced to meet the requirement of an engine model on the effective area of the thrust reversers, and according to the requirement of the engine model on the size of the centering holes, the matched four engine centering baffles 2 are selected and spliced in rectangular holes, so that the engine centering holes formed in the center parts of the mutually spliced four engine centering baffles 2 can be exactly sleeved on the periphery of the engine 1, the test baffle structure is convenient and flexible, does not need to be tested for the engine thrust reversers of different models, is designed and manufactured, has higher universality, manpower and material resources can be saved, and the test period can be shortened; after the test run of the engine thrust reverser is completed, the engine thrust reverser 1 and the four engine centering baffles 2 which are mutually spliced together can be disassembled into modules with smaller weight and volume for moving and storing, and the device is convenient and quick.
For the test baffle structure of the engine thrust reverser disclosed in the above embodiment, it can be further understood by those skilled in the art that, when testing the engine thrust reverser, the outer periphery of the engine is tightly or slightly clearance fit with the engine centering holes, the main body of the test baffle structure of the engine thrust reverser is designed, and is formed by mutually splicing a plurality of modularized engine thrust reversers 1 and four engine centering baffles 2, when testing the engine thrust reverser, each engine thrust reverser 1 can be spliced firstly, then a rectangular hole is reserved in the middle part of the engine 5 after the engine thrust reversers 1 are mutually spliced, positioning is performed, then four matched engine centering baffles 2 are selected, splicing is performed in the rectangular hole, and the engine centering holes formed in the central parts of the four engine centering baffles 2 after the mutual splicing are sleeved on the outer periphery of the engine 1 so as to avoid the occurrence of scratch between the outer periphery of the engine and the engine centering holes.
In some alternative embodiments, in the test baffle structure of the engine thrust reverser, the peripheries of each engine thrust reverser 1 and four engine centering baffles 2 are provided with connecting edges; the adjacent connecting edges are connected through bolts.
In some alternative embodiments, in the test run baffle structure of the engine thrust reverser, the number of connecting bolts between adjacent connecting edges is at least two.
In some alternative embodiments, in the above-mentioned engine thrust reverser test baffle structure, each of the engine thrust reverser baffles 1 and the four engine centering baffles 2 is provided with a communication hole along the transverse direction and/or the longitudinal direction;
the engine thrust reverser test baffle structure still includes:
the reinforcing rods 4 are connected, each reinforcing connecting rod 4 correspondingly penetrates through a row in the transverse direction and/or correspondingly penetrates through a row of communication holes in the longitudinal direction, so that the engine thrust reverser baffle plates 1 and the four engine centering baffle plates 2 can be firmly combined into a whole, the overall stability of the structure is enhanced, smooth running of the engine thrust reverser device test is ensured, and when the connecting reinforcing rods 4 interfere with the engine 5, the connecting reinforcing rods 4 can be disconnected from the interference parts of the engine 5.
On the other hand, an assembling method of a test run baffle structure of an engine thrust reverser is provided, which is used for realizing the assembly of the test run baffle structure of any one of the engine thrust reversers, and comprises the following steps:
splicing a plurality of engine reverse thrust baffles 1 to reach a preset size, and reserving rectangular holes in the middle parts of the mutually spliced engine reverse thrust baffles 1;
supporting each engine thrust reverser 1 which is spliced with each other by an engine thrust reverser bracket 3;
positioning the engine 5 through the rectangular hole;
four matched engine centering baffles 2 are selected and spliced in rectangular holes, and engine centering holes formed in the center parts of the four engine centering baffles 2 after being spliced are sleeved on the periphery of the engine 1;
a plurality of connection reinforcing rods 4 are provided to extend through each row in the lateral direction and/or each row in the longitudinal direction, and thereafter the engine 5 is started to perform a test run of the thrust reverser of the engine 5.
In the description, each embodiment is described in a progressive manner, and each embodiment is mainly described by the differences from other embodiments, so that the same similar parts among the embodiments are mutually referred.
Having thus described the technical aspects of the present application with reference to the preferred embodiments illustrated in the accompanying drawings, it should be understood by those skilled in the art that the scope of the present application is not limited to the specific embodiments, and those skilled in the art may make equivalent changes or substitutions to the relevant technical features without departing from the principles of the present application, and those changes or substitutions will now fall within the scope of the present application.
Claims (5)
1. The utility model provides an engine thrust reverser test baffle structure which characterized in that includes:
a plurality of engine reverse pushing baffles (1) are rectangular and spliced with each other; rectangular holes are reserved in the middle parts of the engine reverse thrust baffles (1) after being spliced with each other;
four engine centering baffles (2) which are spliced with each other in the rectangular hole; an engine centering hole is formed in the center of the four engine centering baffles (2) after being spliced with each other, and the centering hole is sleeved on the periphery of the engine (5); the four engine centering baffles (2) are spliced with the engine reverse thrust baffles (1) around the periphery;
and the engine back-pushing bracket (3) is used for supporting each engine back-pushing baffle (1) and four engine centering baffles (2) which are spliced with each other.
2. The engine thrust reverser test run baffle plate structure according to claim 1, wherein,
the periphery of each engine thrust reverser (1) and four engine centering baffles (2) are provided with connecting edges; the adjacent connecting edges are connected through bolts.
3. The engine thrust reverser test run baffle plate structure according to claim 2, wherein,
the number of the connecting bolts between the adjacent connecting edges is at least two.
4. The engine thrust reverser test run baffle plate structure according to claim 1, wherein,
the engine thrust reverser plates (1) and the four engine centering plates (2) are provided with communication holes along the transverse direction and/or the longitudinal direction;
the engine thrust reverser test baffle structure still includes:
and a plurality of connection reinforcing rods (4), wherein each connection reinforcing rod (4) correspondingly penetrates through a row of communication holes along the transverse direction and/or correspondingly penetrates through a row of communication holes along the longitudinal direction.
5. An assembling method of a test run baffle structure of an engine thrust reverser is characterized by comprising the following steps:
splicing a plurality of engine reverse thrust baffles (1) to reach a preset size, and reserving rectangular holes in the middle parts of the mutually spliced engine reverse thrust baffles (1);
supporting each engine thrust reverser baffle (1) which is spliced with each other by an engine thrust reverser bracket (3);
passing the engine (5) through the rectangular hole, positioning;
four matched engine centering baffles (2) are selected and spliced in rectangular holes, and engine centering holes formed in the center parts of the four engine centering baffles (2) after being spliced with each other are sleeved on the periphery of an engine (5);
a plurality of connection reinforcing rods (4) are arranged to penetrate through each row in the transverse direction and/or penetrate through each column of communication holes in the longitudinal direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111334010.5A CN114112404B (en) | 2021-11-11 | 2021-11-11 | Test run baffle structure of engine thrust reverser and assembly method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111334010.5A CN114112404B (en) | 2021-11-11 | 2021-11-11 | Test run baffle structure of engine thrust reverser and assembly method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114112404A CN114112404A (en) | 2022-03-01 |
| CN114112404B true CN114112404B (en) | 2023-07-21 |
Family
ID=80378581
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111334010.5A Active CN114112404B (en) | 2021-11-11 | 2021-11-11 | Test run baffle structure of engine thrust reverser and assembly method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114112404B (en) |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2879642A (en) * | 1954-06-16 | 1959-03-31 | Boeing Co | V-gutter thrust-reversers |
| KR100781805B1 (en) * | 2006-03-03 | 2007-12-04 | 김진완 | jet engine performance test system |
| GB2464960B (en) * | 2008-10-31 | 2013-03-27 | Gen Electric | Baffle seal for gas turbine engine thrust reverser |
| CN203719899U (en) * | 2013-12-12 | 2014-07-16 | 中国航空规划建设发展有限公司 | Reverse thrust test vehicle of aeroturbine fan engine |
| CN209112108U (en) * | 2018-10-15 | 2019-07-16 | 永州市精信源科技有限公司 | A kind of non-maintaining lower backplate of car engine machine cavity |
| CN112378561B (en) * | 2020-11-25 | 2022-04-12 | 西安航天动力试验技术研究所 | Integrated equipment and method for attitude control engine thrust measurement and in-situ calibration |
| CN112945563B (en) * | 2021-02-05 | 2022-11-22 | 中国航发沈阳发动机研究所 | Reverse thrust prevention exhaust device for engine performance recording test |
-
2021
- 2021-11-11 CN CN202111334010.5A patent/CN114112404B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN114112404A (en) | 2022-03-01 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN219307832U (en) | Running table folding mechanism of running machine | |
| CN114112404B (en) | Test run baffle structure of engine thrust reverser and assembly method thereof | |
| CN208242564U (en) | Cat diving tower | |
| CN101258020A (en) | Device for making tubular containers | |
| CN212263561U (en) | Dust collecting net structure of electrostatic dust collector | |
| CN210665065U (en) | General test bed of fast-assembling quick-release engine | |
| CN216144272U (en) | Utensil is examined to left back door outer strip assembly | |
| CN216806237U (en) | Telescopic tray | |
| CN219870922U (en) | Oil-resistant experimental tool for automobile wire harness | |
| CN219549036U (en) | Wind power gear box fixing device | |
| CN101647643A (en) | Portable assembled-type table | |
| CN217409663U (en) | Folding landing leg base device of platform and platform of riding | |
| CN221195590U (en) | Combined connecting plate for hydraulic cylinder | |
| CN214144756U (en) | Concrete pump truck chassis and concrete pump truck | |
| CN221208171U (en) | Special test-tube rack for manual cross blood matching test | |
| CN219267128U (en) | General simulation combat platform with anti-interference effect | |
| CN217996686U (en) | Vehicle chassis overhauls platform | |
| CN220322668U (en) | Battery package general type vibration frock and battery package vibration test system | |
| CN215631978U (en) | Step type insert stage | |
| CN209244644U (en) | A kind of three circle center type diesel engine vent gas traps | |
| CN203420510U (en) | Glass fiber reinforced plastic inner barrel hanging and supporting system of chimney and chimney | |
| CN219191906U (en) | Oil tank supporting rod | |
| CN112096461B (en) | Connection structure and split casing structure thereof | |
| CN216742897U (en) | Splash guard for air distributor and air distributor | |
| CN220649900U (en) | Device for ground test of flexible fuel tank |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |