CN113431701A - Pipeline connection structure and spherical surface convergence vectoring nozzle structure thereof - Google Patents
Pipeline connection structure and spherical surface convergence vectoring nozzle structure thereof Download PDFInfo
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- CN113431701A CN113431701A CN202110469265.6A CN202110469265A CN113431701A CN 113431701 A CN113431701 A CN 113431701A CN 202110469265 A CN202110469265 A CN 202110469265A CN 113431701 A CN113431701 A CN 113431701A
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- Prior art keywords
- cylinder
- fixed
- fixed cylinder
- spherical shell
- connection structure
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02K—JET-PROPULSION PLANTS
- F02K1/00—Plants characterised by the form or arrangement of the jet pipe or nozzle; Jet pipes or nozzles peculiar thereto
- F02K1/002—Plants characterised by the form or arrangement of the jet pipe or nozzle; Jet pipes or nozzles peculiar thereto with means to modify the direction of thrust vector
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02K—JET-PROPULSION PLANTS
- F02K1/00—Plants characterised by the form or arrangement of the jet pipe or nozzle; Jet pipes or nozzles peculiar thereto
- F02K1/06—Varying effective area of jet pipe or nozzle
- F02K1/15—Control or regulation
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02K—JET-PROPULSION PLANTS
- F02K1/00—Plants characterised by the form or arrangement of the jet pipe or nozzle; Jet pipes or nozzles peculiar thereto
- F02K1/78—Other construction of jet pipes
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02K—JET-PROPULSION PLANTS
- F02K1/00—Plants characterised by the form or arrangement of the jet pipe or nozzle; Jet pipes or nozzles peculiar thereto
- F02K1/78—Other construction of jet pipes
- F02K1/82—Jet pipe walls, e.g. liners
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Joints Allowing Movement (AREA)
Abstract
The application belongs to the technical field of pipeline connection structure design, concretely relates to pipeline connection structure, include: two fixed cylinders; one end of the first rotating cylinder is sleeved with one end of a fixed cylinder, is in sealing contact with the fixed cylinder and can rotate relative to the fixed cylinder; the second rotary cylinder, its one end cup joints with another solid fixed cylinder one end, with this solid fixed cylinder sealing contact, can rotate for this solid fixed cylinder, its other end is buckled and is cup jointed with the first rotary cylinder other end, with first rotary cylinder sealing contact, can slide for first rotary cylinder. In addition, relate to a sphere convergence vectoring nozzle structure, including the fixed spherical shell, can be for the moving spherical shell of fixed spherical shell deflection, connect the hydraulic actuator on the moving spherical shell, connect the hydraulic pump on the fixed spherical shell, in addition, still include: in the above pipeline connecting structure, one of the fixed cylinders is connected to the pump port of the hydraulic pump; the other fixed cylinder is connected with a hydraulic port of the hydraulic actuator.
Description
Technical Field
The application belongs to the technical field of pipeline connecting structure design, and particularly relates to a pipeline connecting structure and a spherical surface convergence vectoring nozzle structure thereof.
Background
The aeroengine spherical surface convergence vectoring nozzle mainly comprises a fixed spherical shell and a movable spherical shell, wherein the movable spherical shell can deflect relative to the fixed spherical shell to generate a vectoring pitch angle and realize vectoring thrust.
The spherical surface convergence vectoring nozzle adjusts the outlet area through connecting in the hydraulic actuator who moves the spherical shell, and hydraulic actuator drives by the hydraulic pump of deciding the spherical shell, considers the temperature environment of aeroengine work, and at present, hydraulic actuator, hydraulic pump are connected through hard material pipe more between, and this kind of connected mode has following defect:
1) the requirement on the assembly precision is high, and the precise positioning is needed;
2) when the movable spherical shell deflects relative to the fixed spherical shell, the hard material pipe is stressed to deform and is damaged seriously.
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 application.
Disclosure of Invention
It is an object of the present application to provide a pipe coupling arrangement and spherical convergent vectoring nozzle arrangement therefor that overcomes or mitigates at least one of the technical disadvantages known to exist.
The technical scheme of the application is as follows:
an aspect provides a pipe connecting structure including:
two fixed cylinders;
one end of the first rotating cylinder is sleeved with one end of a fixed cylinder, is in sealing contact with the fixed cylinder and can rotate relative to the fixed cylinder;
the second rotary cylinder, its one end cup joints with another solid fixed cylinder one end, with this solid fixed cylinder sealing contact, can rotate for this solid fixed cylinder, its other end is buckled and is cup jointed with the first rotary cylinder other end, with first rotary cylinder sealing contact, can slide for first rotary cylinder.
According to at least one embodiment of the present application, in the above pipeline connecting structure, the first rotating cylinder is bent toward one end of the second rotating cylinder.
According to at least one embodiment of the present application, in the above pipeline connecting structure, a sealing ring is disposed between the first rotating cylinder and the corresponding fixed cylinder.
According to at least one embodiment of the present application, in the above pipeline connecting structure, the first rotating cylinder and the corresponding fixed cylinder are connected by a groove and a protrusion in a matching manner.
According to at least one embodiment of the present application, in the above pipeline connecting structure, a sealing ring is disposed between the first rotating cylinder and the second rotating cylinder.
According to at least one embodiment of the present application, in the above pipeline connecting structure, a sealing ring is disposed between the second rotating cylinder and the corresponding fixed cylinder.
According to at least one embodiment of the present application, in the above pipeline connection structure, the second rotary cylinder and the corresponding fixed cylinder are connected by a groove and a protrusion in a matching manner.
On the other hand, the spherical convergence vectoring nozzle structure comprises a fixed spherical shell, a movable spherical shell capable of deflecting relative to the fixed spherical shell, a hydraulic actuating mechanism connected to the movable spherical shell, and a hydraulic pump connected to the fixed spherical shell, and further comprises:
any one of the above-described pipe connection structures, wherein,
a fixed cylinder is connected with a pump port of the hydraulic pump;
the other fixed cylinder is connected with a hydraulic port of the hydraulic actuator.
According to at least one embodiment of the present application, in the above-mentioned spherical convergent vectoring nozzle structure, a fixed cylinder connected to a pump port of a hydraulic pump is connected to a fixed spherical shell;
and the fixed cylinder connected with the hydraulic port of the hydraulic actuating mechanism is connected to the movable spherical shell.
Drawings
Fig. 1 is a sectional view of a pipe connection structure provided in an embodiment of the present application;
FIG. 2 is a schematic diagram of a pipeline connection structure provided in an embodiment of the present application;
FIG. 3 is a schematic diagram of a pipeline connection structure in an operating state in a spherical convergent vectoring nozzle structure according to an embodiment of the present disclosure;
FIG. 4 is a schematic diagram of a spherical convergent vectoring nozzle configuration provided in an embodiment of the present application in another operating state;
wherein:
1-a fixed cylinder; 2-a first rotating cylinder; 3-second rotary drum.
For the purpose of better illustrating the embodiments, certain features of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; further, the drawings are for illustrative purposes, and terms describing positional relationships are limited to illustrative illustrations only and are not to be construed as limiting the patent.
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 word "comprising" or "comprises", and the like, when used in this description, is intended to specify the presence of stated elements or items, but not the exclusion of 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 to 4.
An aspect provides a pipe connecting structure including:
two fixed cylinders 1;
one end of the first rotary cylinder 2 is sleeved with one end of a fixed cylinder 1, is in sealing contact with the fixed cylinder 1, and can rotate relative to the fixed cylinder 1;
the rotatory section of thick bamboo 3 of second, its one end cup joints with 1 one end of another solid fixed cylinder, with this solid fixed cylinder 1 sealing contact, can rotate for this solid fixed cylinder 1, and its other end is buckled and is cup jointed with the 2 other ends of first rotatory section of thick bamboo, with the 2 sealing contact of first rotatory section of thick bamboo, can slide for first rotatory section of thick bamboo 2.
For the pipeline connection structure disclosed in the above embodiments, it can be understood by those skilled in the art that it can be used as a pipeline connection structure between the hydraulic actuator connected to the fixed spherical shell and the hydraulic pump connected to the moving spherical shell in the spherical convergent vectoring nozzle, and when it is used as a pipeline connection structure between the hydraulic actuator and the hydraulic pump in the spherical convergent vectoring nozzle, one of the fixed cylinders 2 can be connected to the pump port of the hydraulic pump, and the other fixed cylinder 1 can be connected to the hydraulic port of the hydraulic actuator, and the hydraulic pump provides power for the hydraulic actuator through the pipeline connection structure.
With regard to the pipeline connection structure disclosed in the above embodiment, it can be understood by those skilled in the art that when the pipeline connection structure is used as a pipeline connection structure between a hydraulic actuator and a hydraulic pump in a spherical convergence vectoring nozzle, since the first rotary cylinder 2 and the second rotary cylinder 3 can respectively rotate relative to the fixed cylinder 1 connected to the pump port of the hydraulic pump and the fixed cylinder 1 connected to the hydraulic port of the hydraulic actuator, and can slide relative to each other, that is, have two degrees of freedom of rotation and expansion, the requirement on the assembly precision is not high, and when the moving spherical shell deflects relative to the fixed spherical shell, the corresponding deformation can occur, and no serious stress can be generated between the hydraulic pump and the hydraulic actuator, so that no serious damage can occur, specifically refer to fig. 3-4.
In some alternative embodiments, in the above pipeline connection structure, the first rotary cylinder 2 is bent toward one end of the second rotary cylinder 3.
In some optional embodiments, in the above pipeline connection structure, a sealing ring is disposed between the first rotary cylinder 2 and the corresponding fixed cylinder 1.
In some optional embodiments, in the above pipeline connecting structure, the first rotating cylinder 2 is connected with the corresponding fixed cylinder 1 through a groove and a protrusion in a matching manner, specifically, the fixed cylinder 1 is sleeved on an outer wall of the first rotating cylinder 1, an inner wall of the fixed cylinder 1 is provided with a groove, an outer wall of the first rotating cylinder 2 is provided with a protrusion, and the protrusion is clamped in the groove, so that the first rotating cylinder 2 can be prevented from being disengaged from the fixed cylinder 1.
In some optional embodiments, in the above pipeline connection structure, a sealing ring is disposed between the first rotary cylinder 2 and the second rotary cylinder 3.
In some optional embodiments, in the above pipeline connection structure, a sealing ring is disposed between the second rotary cylinder 3 and the corresponding fixed cylinder 1.
In some optional embodiments, in the above pipeline connecting structure, the second rotating cylinder 3 is connected with the corresponding fixed cylinder 1 in a matching manner through a groove and a protrusion, specifically, the fixed cylinder 1 is sleeved on an outer wall of the second rotating cylinder 3, an inner wall of the fixed cylinder 1 is provided with a groove, an outer wall of the second rotating cylinder 3 is provided with a protrusion, and the protrusion is clamped in the groove, so that the second rotating cylinder 3 can be prevented from being disengaged from the fixed cylinder 1.
On the other hand, the spherical convergence vectoring nozzle structure comprises a fixed spherical shell, a movable spherical shell capable of deflecting relative to the fixed spherical shell, a hydraulic actuating mechanism connected to the movable spherical shell, and a hydraulic pump connected to the fixed spherical shell, and further comprises:
any one of the above-described pipe connection structures, wherein,
a fixed cylinder 2 is connected with a pump port of the hydraulic pump;
the other fixed cylinder 1 is connected with a hydraulic port of a hydraulic actuator.
With respect to the pipeline connection structure disclosed in the above embodiments, it can be understood by those skilled in the art that the oil supply pipeline and the oil return pipeline exist in the hydraulic pump and the hydraulic actuator in the spherical convergent vectoring nozzle structure, one pipeline connection structure may be connected in the oil supply pipeline, the other pipeline connection structure may be connected in the oil return pipeline, and the pipeline connection structure may generate the change of the working state as shown in fig. 3 to 4 in the spherical convergent vectoring nozzle structure.
For the pipeline connecting structure disclosed in the above embodiment, it can be understood by those skilled in the art that the pipeline connecting structure disclosed in the above embodiment includes the technical effects of the relevant parts of the pipeline connecting structure, and the technical effects are not described herein again.
In some optional embodiments, in the spherical convergent vectoring nozzle structure, the fixed cylinder 1 connected with the pump port of the hydraulic pump is connected to the fixed spherical shell;
the fixed cylinder 1 connected with the hydraulic port of the hydraulic actuating mechanism is connected to the movable spherical shell.
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 (9)
1. A pipe connecting structure, comprising:
two fixed cylinders (1);
one end of the first rotating cylinder (2) is sleeved with one end of the fixed cylinder (1), is in sealing contact with the fixed cylinder (1), and can rotate relative to the fixed cylinder (1);
and one end of the second rotary cylinder (3) is sleeved with one end of the other fixed cylinder (1), is in sealing contact with the fixed cylinder (1), can rotate relative to the fixed cylinder (1), and is bent at the other end, sleeved with the other end of the first rotary cylinder (2), is in sealing contact with the first rotary cylinder (2), and can slide relative to the first rotary cylinder (2).
2. The piping connection structure according to claim 1,
the first rotary cylinder (2) is bent towards one end of the second rotary cylinder (3).
3. The piping connection structure according to claim 1,
and a sealing ring is arranged between the first rotating cylinder (2) and the corresponding fixed cylinder (1).
4. The piping connection structure according to claim 1,
the first rotating cylinder (2) is connected with the corresponding fixed cylinder (1) in a matched mode through a groove and a protrusion.
5. The piping connection structure according to claim 1,
and a sealing ring is arranged between the first rotary cylinder (2) and the second rotary cylinder (3).
6. The piping connection structure according to claim 1,
and a sealing ring is arranged between the second rotary cylinder (3) and the corresponding fixed cylinder (1).
7. The piping connection structure according to claim 1,
the second rotary cylinder (3) is connected with the corresponding fixed cylinder (1) in a matched mode through a groove and a protrusion.
8. The utility model provides a sphere convergence vectoring nozzle structure, includes the fixed spherical shell, can for the movable spherical shell that the fixed spherical shell deflected, connect hydraulic actuator on the movable spherical shell, connect the hydraulic pump on the fixed spherical shell, its characterized in that still includes:
the piping connection structure as claimed in any one of claims 1 to 7,
one fixed cylinder (2) is connected with a pump port of the hydraulic pump;
the other fixed cylinder (1) is connected with a hydraulic port of the hydraulic actuating mechanism.
9. The spherical convergent vectoring nozzle arrangement of claim 8,
a fixed cylinder (1) connected with a pump port of the hydraulic pump is connected to the fixed spherical shell;
and a fixed cylinder (1) connected with a hydraulic port of the hydraulic actuating mechanism is connected to the movable spherical shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110469265.6A CN113431701B (en) | 2021-04-28 | 2021-04-28 | Pipeline connection structure and spherical surface convergence vectoring nozzle structure thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110469265.6A CN113431701B (en) | 2021-04-28 | 2021-04-28 | Pipeline connection structure and spherical surface convergence vectoring nozzle structure thereof |
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| Publication Number | Publication Date |
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| CN113431701A true CN113431701A (en) | 2021-09-24 |
| CN113431701B CN113431701B (en) | 2022-07-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110469265.6A Active CN113431701B (en) | 2021-04-28 | 2021-04-28 | Pipeline connection structure and spherical surface convergence vectoring nozzle structure thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114239172A (en) * | 2021-12-16 | 2022-03-25 | 中国航发沈阳发动机研究所 | Thrust vector engine forced oil supply correction method under jet pipe deflection condition |
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| US20060045678A1 (en) * | 2004-08-11 | 2006-03-02 | Jonathan Andersen | Hydraulic vehicle restraint providing horizontal and vertical spring float with a mechanical hard travel limit |
| CN102110383A (en) * | 2011-01-17 | 2011-06-29 | 浙江大学 | Hydraulic simulator platform free from washout algorithm in direction of rotation on axis |
| CN107882652A (en) * | 2017-11-10 | 2018-04-06 | 中国航发沈阳发动机研究所 | Sphere restrains omnidirectional's vector spray and has its aero-engine |
| CN109184947A (en) * | 2018-10-11 | 2019-01-11 | 西北工业大学 | A kind of Integral rotary convergence vector spray |
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2021
- 2021-04-28 CN CN202110469265.6A patent/CN113431701B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060045678A1 (en) * | 2004-08-11 | 2006-03-02 | Jonathan Andersen | Hydraulic vehicle restraint providing horizontal and vertical spring float with a mechanical hard travel limit |
| CN102110383A (en) * | 2011-01-17 | 2011-06-29 | 浙江大学 | Hydraulic simulator platform free from washout algorithm in direction of rotation on axis |
| CN107882652A (en) * | 2017-11-10 | 2018-04-06 | 中国航发沈阳发动机研究所 | Sphere restrains omnidirectional's vector spray and has its aero-engine |
| CN109184947A (en) * | 2018-10-11 | 2019-01-11 | 西北工业大学 | A kind of Integral rotary convergence vector spray |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114239172A (en) * | 2021-12-16 | 2022-03-25 | 中国航发沈阳发动机研究所 | Thrust vector engine forced oil supply correction method under jet pipe deflection condition |
| CN114239172B (en) * | 2021-12-16 | 2023-04-18 | 中国航发沈阳发动机研究所 | Thrust vector engine forced oil supply correction method under jet pipe deflection condition |
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| Publication number | Publication date |
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| CN113431701B (en) | 2022-07-15 |
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