CN111539067A - Horizontal split casing containing structure - Google Patents
Horizontal split casing containing structure Download PDFInfo
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- CN111539067A CN111539067A CN202010301662.8A CN202010301662A CN111539067A CN 111539067 A CN111539067 A CN 111539067A CN 202010301662 A CN202010301662 A CN 202010301662A CN 111539067 A CN111539067 A CN 111539067A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F30/00—Computer-aided design [CAD]
- G06F30/10—Geometric CAD
- G06F30/15—Vehicle, aircraft or watercraft design
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F30/00—Computer-aided design [CAD]
- G06F30/10—Geometric CAD
- G06F30/17—Mechanical parametric or variational design
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2113/00—Details relating to the application field
- G06F2113/26—Composites
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- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
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Abstract
The application belongs to the technical field of horizontal split casing containing design, and particularly relates to a horizontal split casing containing structure, which comprises: the two half-ring casings are mutually butted to form a whole-ring casing; the two half containing rings are made of composite materials and are mutually butted to form a containing whole ring; the containing whole ring surrounds the whole ring casing; the two semi-ring shells are mutually butted to form a ring shell; the annular shell covers and contains the whole ring and is connected with the whole ring casing, the horizontal split casing containing structure is provided with a containing whole ring formed by butt joint of two half-containing rings on the whole ring casing formed by butt joint of two half-ring casings, the containing whole ring can meet the containing requirement of the casing, and the containing ring is made of composite materials, has lighter weight and can meet the current requirement on weight reduction of an airplane.
Description
Technical Field
The application belongs to the technical field of horizontal split casing containing design, and particularly relates to a horizontal split casing containing structure.
Background
In order to facilitate the maintenance of the engine, the engine casing mostly adopts a horizontal split casing structure, the engine casing is formed by butt joint of two half-ring casings, the containment design of the casing is the main trend of engine design and is also the inevitable requirement of airworthiness, and the horizontal split casing has the horizontal split design to greatly increase the mass of the casing and does not meet the current requirement of weight reduction of an airplane structure.
The present application has been made in view of the above-mentioned technical drawbacks.
It should be noted that the above background disclosure is only for the purpose of assisting understanding of the inventive concept and technical solutions of the present invention, and does not necessarily belong to the prior art of the present patent application, and the above background disclosure should not be used for evaluating the novelty and inventive step of the present application without explicit evidence to suggest that the above content is already disclosed at the filing date of the present patent application.
Disclosure of Invention
It is an object of the present application to provide a horizontal split case containment structure to overcome or alleviate at least one of the technical deficiencies of the known prior art.
The technical scheme of the application is as follows:
a horizontal split case containment structure comprising:
the two half-ring casings are mutually butted to form a whole-ring casing;
the two half containing rings are made of composite materials and are mutually butted to form a containing whole ring; the containing whole ring surrounds the whole ring casing;
the two semi-ring shells are mutually butted to form a ring shell; the annular shell covers and contains the whole ring and is connected with the whole ring casing.
According to at least one embodiment of the present application, the horizontal split casing housing structure has a full ring casing with two opposing annular edges; each annular edge is correspondingly connected with one side edge of the annular shell;
the containing integral ring is positioned between the two annular edges.
According to at least one embodiment of the present application, in the horizontally split casing receiving structure, both sides of the annular casing are bent to the inside of both annular sides.
According to at least one embodiment of the present application, in the horizontally-split casing housing structure, each of the annular sides is connected to one side of the annular casing by a bolt.
According to at least one embodiment of the present application, in the horizontal split casing housing structure, each annular edge is formed by half annular edges on two half annular casings in butt joint.
According to at least one embodiment of the application, the butt joint part of the two half-ring casings is provided with a butt joint edge;
the butt joint edges on the two half-ring casings are correspondingly connected.
According to at least one embodiment of the present application, in the horizontal split casing housing structure, the butt edges of the two half-ring casings are correspondingly connected through bolts.
According to at least one embodiment of the present application, in the horizontal split casing housing structure, the surfaces of the two half-ring casings abutting against each other are connected by a connecting pin.
According to at least one embodiment of the present application, the horizontal split casing containment junction described above contains a full ring facing the rotor within the full ring casing.
In accordance with at least one embodiment of the present application, the horizontally split casing containment junction described above has a wear-resistant coating applied to the inside of the full ring casing.
The application has at least the following beneficial effects:
a horizontal split casing containing structure is provided, which is characterized in that a containing whole ring formed by two half-containing rings in butt joint is arranged on a whole ring casing formed by two half-ring casings in butt joint, the containing whole ring is arranged to meet the containing requirement of the casing, the containing ring is made of composite materials, has lighter weight and can meet the requirement of reducing weight of an airplane at present, the horizontal split casing containing structure is designed to contain the whole ring formed by two half-ring casings in butt joint, can easily avoid a protruding obstacle part on the whole ring casing during assembly to facilitate the assembly of the whole ring casing, and covers the containing whole ring by an annular casing formed by two half-ring casings 3 in butt joint, the containing whole ring is positioned on the whole ring casing through the connection of the annular casing and the whole ring casing, so as to realize the compatibility of metal and the composite materials, in addition, the horizontal split casing containing structure is designed to form the annular casing by two half-ring casings in butt joint, the convex obstacle part on the whole ring casing can be easily avoided during assembly, and the assembly is convenient.
Drawings
FIG. 1 is a schematic diagram of a horizontal split casing containment structure provided in an embodiment of the present application;
FIG. 2 is a partial schematic view of a horizontal split casing containment structure provided in accordance with an embodiment of the present application;
wherein:
1-a half-ring casing; 2-half containing ring; 3-a semi-ring shell; 4-a circular edge; 5-butt joint edge; 6-connecting pin.
Detailed Description
In order to make the technical solutions and advantages of the present application clearer, the technical solutions of the present application will be further clearly and completely described in the following detailed description with reference to the accompanying drawings, and it should be understood that the specific embodiments described herein are only some of the embodiments of the present application, and are only used for explaining the present application, but not limiting the present application. It should be noted that, for convenience of description, only the parts related to the present application are shown in the drawings, other related parts may refer to general designs, and the embodiments and technical features in the embodiments in the present application may be combined with each other to obtain a new embodiment without conflict.
In addition, unless otherwise defined, technical or scientific terms used in the description of the present application shall have the ordinary meaning as understood by one of ordinary skill in the art to which the present application belongs. The terms "upper", "lower", "left", "right", "center", "vertical", "horizontal", "inner", "outer", and the like used in the description of the present application, which indicate orientations, are used only to indicate relative directions or positional relationships, and do not imply that the devices or elements must have a specific orientation, be constructed and operated in a specific orientation, and when the absolute position of the object to be described is changed, the relative positional relationships may be changed accordingly, and thus, should not be construed as limiting the present application. The use of "first," "second," "third," and the like in the description of the present application is for descriptive purposes only to distinguish between different components and is not to be construed as indicating or implying relative importance. The use of the terms "a," "an," or "the" and similar referents in the context of describing the application is not to be construed as an absolute limitation on the number, but rather as the presence of at least one. The use of the terms "comprising" or "including" and the like in the description of the present application is intended to indicate that the element or item preceding the term covers the element or item listed after the term and its equivalents, without excluding other elements or items.
Further, it is noted that, unless expressly stated or limited otherwise, the terms "mounted," "connected," and the like are used in the description of the invention in a generic sense, e.g., connected as either a fixed connection or a removable connection or integrally connected; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, or they may be connected through the inside of two elements, and those skilled in the art can understand their specific meaning in this application according to the specific situation.
The present application is described in further detail below with reference to fig. 1-2.
A horizontal split case containment structure comprising:
the two half-ring casings 1 are mutually butted to form a whole-ring casing;
the two half containing rings 2 are made of composite materials and are mutually butted to form a containing whole ring; the containing whole ring surrounds the whole ring casing;
the two semi-ring shells 3 are mutually butted to form a ring shell; the annular shell covers and contains the whole ring and is connected with the whole ring casing.
With regard to the horizontal split casing containing structure disclosed in the above embodiments, it can be understood by those skilled in the art that the containing whole ring formed by two half-containing rings 2 butted together is arranged on the whole ring casing formed by two half-ring casings 1 butted together, the containing whole ring can meet the containing requirement of the casing, and the containing ring is made of composite material, has light weight, and can meet the current requirement for weight reduction of the airplane.
For the horizontal split casing containing structure disclosed in the above embodiments, it can be understood by those skilled in the art that the whole ring is formed by abutting two half-ring casings 1, so that the protruding obstacle portion on the whole ring casing can be easily avoided during assembly, and the assembly is facilitated, and the whole ring is covered and contained by an annular casing formed by abutting two half-ring casings 3, and the contained whole ring is positioned on the whole ring casing by connecting the annular casing and the whole ring casing, so as to achieve compatibility between metal and composite material.
In some alternative embodiments, the horizontal split casing half junction has two opposite annular edges 4 on the full ring casing; each annular edge 4 is correspondingly connected with one side edge of the annular shell;
the containing whole ring is located between the two annular edges 4.
With respect to the horizontal split casing containing structure disclosed in the above embodiments, it can be understood by those skilled in the art that two opposite annular edges are provided on the full-ring casing, so as to reinforce the full-ring casing formed by the butt joint of the two half-ring casings 1, and to connect the annular casing and the full-ring casing.
In some alternative embodiments, the two sides of the annular casing are bent inside the two annular sides 4 in the horizontal casing-split junction.
In some alternative embodiments, each annular side 4 is bolted to a side of the annular casing.
In some alternative embodiments, each annular edge 4 is formed by half-annular edges on two half-ring casings 1 abutting each other in the horizontal split casing structure.
In some alternative embodiments, in the horizontal split casing half-closing structure, the butt joint edge 5 is provided at the butt joint part of the two half-ring casings 1;
the butt edges 5 on the two half-ring casings 1 are correspondingly connected.
In some alternative embodiments, in the horizontal split casing housing structure, the butt edges 5 of the two half-ring casings 1 are correspondingly connected by bolts.
In some alternative embodiments, in the horizontal split casing housing structure, the surfaces of the two half-ring casings 1 that are butted against each other are connected by the connecting pin 6, so as to enhance the rigidity of the portion where the two half-ring casings 1 are butted against each other.
In some alternative embodiments, the horizontal split casing containment structure has a containment full ring facing the rotor in the full ring casing, even though the containment full ring surrounds the rotor in the full ring casing to purposefully contain the rotor.
In some alternative embodiments, the horizontally split casing coupling described above has a wear-resistant coating applied to the inside of the full ring casing.
The embodiments are described in a progressive manner in the specification, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
Having thus described the present application in connection with the preferred embodiments illustrated in the accompanying drawings, it will be understood by those skilled in the art that the scope of the present application is not limited to those specific embodiments, and that equivalent modifications or substitutions of related technical features may be made by those skilled in the art without departing from the principle of the present application, and those modifications or substitutions will fall within the scope of the present application.
Claims (10)
1. A horizontal split casing containment structure, comprising:
the two half-ring casings (1) are mutually butted to form a whole-ring casing;
the two half containing rings (2) are made of composite materials and are mutually butted to form a containing whole ring; the containing integral ring surrounds the integral ring casing;
two semi-ring shells (3) which are mutually butted to form a ring shell; the annular shell covers the containing whole ring and is connected with the whole ring casing.
2. The horizontally split casing containment structure of claim 1,
the whole-ring casing is provided with two opposite annular edges (4); each annular edge (4) is correspondingly connected with one side edge of the annular shell;
the containing whole ring is positioned between the two annular edges (4).
3. The horizontally split casing containment structure of claim 3,
the two side edges of the annular shell are bent to the inner sides of the two annular edges (4).
4. The horizontally split casing containment structure of claim 3,
each annular edge (4) is correspondingly connected with one side edge of the annular shell through a bolt.
5. The horizontal split case containment structure of claim 2,
each annular edge (4) is formed by butting half annular edges positioned on the two half-ring casings (1).
6. The horizontally split casing containment structure of claim 1,
the butt joint part of the two half-ring casings (1) is provided with a butt joint edge (5);
the butt joint edges (5) on the two half-ring casings (1) are correspondingly connected.
7. The horizontally split casing containment structure of claim 6,
the butt joint edges (5) on the two half-ring casings (1) are correspondingly connected through bolts.
8. The horizontally split casing containment structure of claim 1,
the surfaces of the two half-ring casings (1) which are mutually butted are connected through a connecting pin (6).
9. The horizontally split casing containment structure of claim 1,
the containing whole ring is over against the rotor in the whole ring casing.
10. The horizontally split casing containment structure of claim 1,
and a wear-resistant coating is coated in the integral ring casing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010301662.8A CN111539067B (en) | 2020-04-16 | 2020-04-16 | Horizontal split casing containing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010301662.8A CN111539067B (en) | 2020-04-16 | 2020-04-16 | Horizontal split casing containing structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111539067A true CN111539067A (en) | 2020-08-14 |
| CN111539067B CN111539067B (en) | 2023-05-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010301662.8A Active CN111539067B (en) | 2020-04-16 | 2020-04-16 | Horizontal split casing containing structure |
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| CN (1) | CN111539067B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113202569A (en) * | 2021-06-16 | 2021-08-03 | 中国航发沈阳发动机研究所 | Engine stator structure |
| CN113202568A (en) * | 2021-06-16 | 2021-08-03 | 中国航发沈阳发动机研究所 | Engine stator structure and assembling method thereof |
| CN113898419A (en) * | 2021-10-10 | 2022-01-07 | 中国航发沈阳发动机研究所 | Air inlet casing structure and assembling method thereof |
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| CN107931952A (en) * | 2017-11-17 | 2018-04-20 | 中国航发航空科技股份有限公司 | Auxiliary device for aero-engine casing assembling |
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|---|---|---|---|---|
| US20180202460A1 (en) * | 2017-01-13 | 2018-07-19 | General Electric Company | Turbofan case for controlling blade deflection |
| CN107931952A (en) * | 2017-11-17 | 2018-04-20 | 中国航发航空科技股份有限公司 | Auxiliary device for aero-engine casing assembling |
| CN209043521U (en) * | 2018-12-18 | 2019-06-28 | 中国航发沈阳发动机研究所 | Stator casing balancing fixture |
| CN110487533A (en) * | 2019-09-17 | 2019-11-22 | 中国航发沈阳发动机研究所 | A kind of sound lining testpieces, assemble method and its test structure |
Non-Patent Citations (2)
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113202569A (en) * | 2021-06-16 | 2021-08-03 | 中国航发沈阳发动机研究所 | Engine stator structure |
| CN113202568A (en) * | 2021-06-16 | 2021-08-03 | 中国航发沈阳发动机研究所 | Engine stator structure and assembling method thereof |
| CN113898419A (en) * | 2021-10-10 | 2022-01-07 | 中国航发沈阳发动机研究所 | Air inlet casing structure and assembling method thereof |
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| Publication number | Publication date |
|---|---|
| CN111539067B (en) | 2023-05-05 |
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