CN209041796U - Aero-engine and its fluid circuit component, modularization welding pipeline assembly - Google Patents
Aero-engine and its fluid circuit component, modularization welding pipeline assembly Download PDFInfo
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- CN209041796U CN209041796U CN201821152877.2U CN201821152877U CN209041796U CN 209041796 U CN209041796 U CN 209041796U CN 201821152877 U CN201821152877 U CN 201821152877U CN 209041796 U CN209041796 U CN 209041796U
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Abstract
The utility model relates to aero-engine and its fluid circuit components, modularization welding pipeline assembly, and wherein straightway includes the combination of at least one straight tube, and bending section includes the combination of at least one bend pipe；Pipe connection in fluid circuit is connected using squeezed joint, and the connection of fluid coupling and fluid circuit is also press-connected using squeezed joint；Straight tube combination includes linear conduit and the connecting conduit extended from linear conduit end, and linear conduit length is the greatest common divisor of each length of straigh line in pipeline, and the length of connecting conduit is that linear conduit connect required reserved space with squeezed joint；Bend pipe combination includes bending conduit and the connecting conduit extended from bending conduit end, and the radian of bending conduit is the greatest common divisor of each bending section bending angle of pipeline, and the length of the connecting conduit of bending conduit is that required reserved space is connect with squeezed joint；The coupling part of fluid coupling is reserved to be press-connected required space.
Description
Technical field
The utility model relates to pipeline assembly more particularly to aero-engine and its fluid circuit components.
Background technique
Fluid pressure line is the important component of pipe-line system in aero-engine, guarantee fluid media (medium) certain pressure,
Sealing and reliable delivery under the environmental conditions such as temperature, flow and vibration.Since pipeline is typically located at engine surface, by
The limitation in space, structure is complicated, and pipeline is mostly complicated space curve, and often there are multiple straightways, curved in root canal road simultaneously
Tune, size and shape have the characteristics that irregular, bring great difficulty to the design of pipeline, processing, assembly, maintenance, together
Commonly use welding procedure in Shi Guanlu processing, pipeline temperature distortion and welding defect be pipeline it is unqualified in addition scrap it is important because
Element.
By analyzing existing pipeline structure and processing technology, place is worth noting there are following:
(1) structure is complicated, and pipeline is typically located at engine surface, is limited in space, and also to avoid numerous attached
The positions such as part, interface, inspecting hole, mostly complicated space curve, lead to processing, maintenance difficult.
(2) production efficiency is low, at high cost, and on an engine, pipeline is large number of, and generally single-piece, tooling benefit
Low with rate, only once, beam worker duration causes production efficiency low to a tooling, at high cost.
(3) welding causes qualification rate low, and the connection of each part of pipeline assembly is generally welded, and pipeline is heated when welding generates
Deformation will lead to dimension overproof, and when welding such as can also generate stomata, slag inclusion, not merge, is lack of penetration at the welding defects, these are all led
An important factor for causing pipeline unqualified or even scrapping.
Utility model content
The purpose of this utility model is to provide a kind of modularization welding pipelines to be mentioned with simplifying the structure of complex pipeline
High efficiency.
The another object of the utility model is to provide a kind of aero-engine and its fluid circuit component, with module
The characteristics of change, welding, to solve the problems, such as that pipeline structure is complicated, production efficiency is low, at high cost, qualification rate is low.
A kind of modularization welding pipeline assembly, including fluid circuit and fluid coupling, the fluid circuit include straight line
Section, bending section, the straightway include the combination of at least one straight tube, and the bending section includes the combination of at least one bend pipe；It is described
Pipe connection in fluid circuit is connected using squeezed joint, and the connection of the fluid coupling and the fluid circuit is also used and squeezed
Connector is press-connected；The straight tube combination includes linear conduit and the connecting conduit extended from linear conduit end, and straight line is led
Length of tube is the greatest common divisor of each length of straigh line in pipeline, and the length of connecting conduit is that linear conduit is connect with squeezed joint
Required reserved space；The bend pipe combination includes bending conduit and the connecting conduit extended from bending conduit end, bending
The radian of conduit is the greatest common divisor of each bending section bending angle of pipeline, and the length of the connecting conduit of bending conduit is and extruding
Reserved space needed for connector connection；The coupling part of fluid coupling is reserved to be press-connected required space.
In one embodiment, the fluid coupling is that ball-type fluid connector, conical surface fluid coupling or flange fluid connect
Head.
In one embodiment, the fluid coupling is that straight fluid connector, threeway fluid coupling or four-way fluid connect
Head.
In one embodiment, described to be press-connected as axial compression or radial compression connection.
A kind of aero-engine fluid circuit component has aforementioned modules welding pipeline assembly.
A kind of aero-engine, including pipeline assembly, are arranged in engine surface, and the pipeline assembly is any described
Aero-engine fluid circuit component.
The utility model has the following beneficial effects:
(1) structure is simple, and pipeline is decomposed into simple straight line by complexity, irregular curvilinear path and curve geometry is wanted
The combination of element, i.e. multistage identical straight tube and bend pipe, the structure can be simplified.
(2) high production efficiency, it is at low cost, it, can be by original needs after pipeline is decomposed into identical straight tube and bend pipe
Particular manufacturing craft, single-piece production are changed into the batch production of simple part, improve production efficiency, do not need custom mold then significantly
It reduces costs.
(3) qualification rate is high, and the connection of pipeline assembly conduit and conduit and pipeline and fluid coupling is connected using fashion of extrusion
Connect, be not necessarily to welding procedure, avoid pipeline it is heated be deformed with stomata, slag inclusion, it is lack of penetration, the welding defects such as do not merge, mention
High processing quality and qualification rate.
Detailed description of the invention
The above and other feature, property and advantage of the utility model will be by with reference to the accompanying drawings and examples
Description and become readily apparent from, in which:
Fig. 1 is the schematic diagram of the pipeline assembly before improving.
Fig. 2 is the schematic diagram of straight tube combination.
Fig. 3 is the schematic diagram of a winding pipe assembly.
Fig. 4 is the schematic diagram of a threeway.
Fig. 5 is the schematic diagram of a fluid coupling.
Fig. 6 is the schematic diagram of modularization Solderless component.
Fig. 7 is the top view of modularization Solderless component.
Fig. 8 is that have enlarged view at A in Fig. 7.
Specific embodiment
It is following to disclose the embodiment or embodiment of subject technology scheme described in a variety of different implementations.For simplification
The specific example of each element and arrangement is described below in disclosure, and certainly, these are only example, is not to this
The protection scope of invention is limited.Such as the fisrt feature then recorded in the description above second feature or above
It is formed, may include the embodiment that the first and second features are formed by way of directly contacting, also be included in the first He
The embodiment that supplementary features are formed between second feature, to can not directly be contacted between the first and second features.In addition,
In these disclosures may in different examples repeat reference numerals and/or letter.The repetition is in order to brief and clear
Chu itself does not indicate each embodiment being discussed and/or interstructural relationship.Further, when first element be with
The mode that second element is connected or combines describes, which includes the reality that the first and second elements are connected directly or are bonded to each other
Mode is applied, also includes so that the first and second interelements ground connection is connected or is tied each other using one or more other intervening elements additions
It closes.
Aftermentioned embodiment is for existing pipeline structure and processing technology with structure is complicated, production efficiency is low, cost
Deficiency high, qualification rate is low proposes the pipeline assembly of a kind of modularization, welding, in the design phase, to the length of pipeline assembly
Degree is calculated, so as to can carry out preliminary exposition to pipeline assembly, is decomposed into straightway, bending section and fluid coupling, is gone forward side by side
One step finer decomposition, straightway is decomposed into and is combined by the straight tube of specific standard, and bending section is decomposed into the bend pipe group of specific standard
It closes.
Wherein, the straight tube combination of specific standard includes linear conduit and connecting conduit.Length of straight pipe size is that pipeline is each straight
The greatest common divisor of line segment, linkage section are that required reserved space is connect with squeezed joint.
Wherein, the bend pipe combination of specific standard includes bending conduit and connecting conduit.The bending radius and arc of bending conduit
Degree is specific dimensions, and radian is the greatest common divisor of each bending section bending angle of pipeline, and linkage section is that institute is connect with squeezed joint
The reserved space needed.
As shown in Figure 1, pipeline assembly carries out the decomposition of geometric element by taking the fuel pipe with three-way connection as an example, it is divided into 3
A straightway, 3 bending sections, 3 fluid couplings and 1 threeway connect and need 15 squeezed joints.3 straightway difference
For straightway 1, straightway 2, straightway 3.3 bending sections are respectively bending section 4, bending section 5, bending section 6.3 fluid couplings
Respectively fluid coupling 7, fluid coupling 8, fluid coupling 9.Threeway 10 is separately connected straightway 2, bending section 5, bending section 4.Stream
Body connector 7, fluid coupling 8, fluid coupling 9 are connect with attachment 12,11,13 respectively.
Straightway 1, straightway 2, straightway 3 length dimension be respectively L1, L2, L3, wherein L1=1*L0, L2=3*
L0, L3=3*L0, then L0 is L1, and straightway is further broken into straight tube combination by the greatest common divisor of L2, L3.Such as Fig. 2 institute
To show, the length of each straight tube is L0, and L1 can be combined by 1 straight tube, and L2 can be combined by 3 straight tubes, and L3 can be combined by 3 straight tubes,
Combination of the straight tube having a size of linear conduit length La and connecting conduit Lb length.Connecting conduit Lb is needed for connecting with squeezed joint
Reserved space.
Bending section 4, bending section 5, bending section 6 bending radius be 3 times of conduit calibers, radian is respectively θ 1, θ 2, θ 3.
Wherein θ 1=1* θ 0, θ 2=2* θ 0, θ 3=2* θ 0, then θ 0 be θ 1, the greatest common divisor of θ 2, θ 3, as shown in fig. 6, bending section 5,
Bending section 6 is substantially respectively the bending section that two radians are respectively θ 0, bending section is further broken into bend pipe combination, each
The radian of bend pipe is θ 0, and θ 1 can be combined by 1 bend pipe, and θ 2 can be combined by 2 bend pipes, and θ 3 can be combined by 2 bend pipes, such as Fig. 3 institute
Show, bend pipe group is combined into the combination of bending conduit length θ a and connecting conduit Lb.
Fluid coupling 7,8,9 includes but is not limited to ball-type fluid connector, conical surface fluid coupling, flange fluid coupling, leads directly to
Fluid coupling, threeway fluid coupling, four-way fluid connector etc., by squeezed joint and piping connection, coupling part need to be reserved crowded
Space needed for pressing.As shown in figure 5, the partial-length that is press-connected of fluid coupling 7,8 or 9 is Lb.
As shown in figure 4, three pipe ends of threeway 10 are also reserved respectively is press-connected part, length is respectively Lb.
All fluid couplings, threeway and straight tube, bend pipe connecting pin are press-connected by squeezed joint, can be axial squeeze
Pressure, is also possible to radial compression.The pipeline assembly finally obtained is as shown in Figure 6.As shown in Figure 7 and Figure 8, with fluid coupling 8 with
For the connection of straightway 1, being press-connected for fluid coupling 8 is partially led with the connection of straightway 1 (comprising a Straight Combination)
Pipe is press-connected by squeezed joint 14.
The structure and technique being press-connected military and civilian's machine application at home and abroad are mature, and reliability is high, and required tooling can be used as
Standard component is purchased.
According to assembly drawing, squeezed joint and the pipeline of appropriate size and quantity are selected, the length after pipeline combination need to expire
Sufficient drawing requirement makes it be squeezed and deformed to realize connection by fluid coupling and pipeline by squeezed joint by specific purpose tool,
It is connected by screw thread with cap nut between ball-cone fluid coupling, passes through clamp connection between bump joint.So far pipeline assembles
It completes.
Aforementioned embodiments are for existing pipeline structure and processing technology with structure is complicated, production efficiency is low, cost
Deficiency high, qualification rate is low proposes the pipeline structure of a kind of modularization, welding, achieve it is following the utility model has the advantages that
(1) structure is simple.Pipeline is decomposed into simple straight line by complexity, irregular curvilinear path and curve geometry is wanted
The combination of element, i.e. multistage identical straight tube and bend pipe, the structure can be simplified.
(2) high production efficiency, it is at low cost.It, can be by original needs after pipeline is decomposed into identical straight tube and bend pipe
Particular manufacturing craft, single-piece production are changed into the batch production of simple part, improve production efficiency, do not need custom mold then significantly
It reduces costs.
(3) qualification rate is high.The connection of pipeline assembly conduit and conduit and pipeline and fluid coupling is connected using fashion of extrusion
Connect, be not necessarily to welding procedure, avoid pipeline it is heated be deformed with stomata, slag inclusion, it is lack of penetration, the welding defects such as do not merge, mention
High processing quality and qualification rate.
Although the utility model is disclosed as above with preferred embodiment, its be not for limiting the utility model, it is any
Those skilled in the art without departing from the spirit and scope of the utility model, can make possible variation and modification, preceding
It states pipeline assembly and is not limited to fuel pipe, be also suitable for fluid pressure line.Therefore, all without departing from technical solutions of the utility model
Content, any modification, equivalent variations and modification made by the above technical examples according to the technical essence of the present invention, each falls within
Within the protection scope that the utility model claims are defined.
Claims (9)
1. modularization welding pipeline assembly, which is characterized in that including fluid circuit and fluid coupling, the fluid circuit includes
Straightway, bending section, the straightway include the combination of at least one straight tube, and the bending section includes the combination of at least one bend pipe；
Pipe connection in the fluid circuit is connected using squeezed joint, and the connection of the fluid coupling and the fluid circuit also uses
Squeezed joint is press-connected；
The straight tube combination includes linear conduit and the connecting conduit extended from linear conduit end, and linear conduit length is pipe
The greatest common divisor of each length of straigh line in road, the length of connecting conduit are reserved needed for linear conduit is connect with squeezed joint
Space；
The bend pipe combination includes bending conduit and the connecting conduit extended from bending conduit end, and the radian of bending conduit is
The greatest common divisor of each bending section bending angle of pipeline, the length of the connecting conduit of bending conduit are needed for connecting with squeezed joint
Reserved space；
The coupling part of fluid coupling is reserved to be press-connected required space.
2. modularization welding pipeline assembly as described in claim 1, which is characterized in that the fluid coupling is ball-type fluid
Connector, conical surface fluid coupling or flange fluid coupling.
3. modularization welding pipeline assembly as described in claim 1, which is characterized in that the fluid coupling is straight fluid
Connector, threeway fluid coupling or four-way fluid connector.
4. modularization welding pipeline assembly as described in claim 1, which is characterized in that described to be press-connected as axial compression
Or radial compression connection.
5. aero-engine fluid circuit component, which is characterized in that including fluid circuit and fluid coupling, the fluid circuit packet
Straightway, bending section are included, the straightway includes the combination of at least one straight tube, and the bending section includes at least one bend pipe group
It closes；Pipe connection in the fluid circuit is connected using squeezed joint, the connection of the fluid coupling and the fluid circuit
It is press-connected using squeezed joint；
The straight tube combination includes linear conduit and the connecting conduit extended from linear conduit end, and linear conduit length is pipe
The greatest common divisor of each length of straigh line in road, the length of connecting conduit are reserved needed for linear conduit is connect with squeezed joint
Space；
The bend pipe combination includes bending conduit and the connecting conduit extended from bending conduit end, and the radian of bending conduit is
The greatest common divisor of each bending section bending angle of pipeline, the length of the connecting conduit of bending conduit are needed for connecting with squeezed joint
Reserved space；
The coupling part of fluid coupling is reserved to be press-connected required space.
6. aero-engine fluid circuit component as claimed in claim 5, which is characterized in that the fluid coupling is ball-type stream
Body connector, conical surface fluid coupling or flange fluid coupling.
7. aero-engine fluid circuit component as claimed in claim 5, which is characterized in that the fluid coupling is straight through flow
Body connector, threeway fluid coupling or four-way fluid connector.
8. aero-engine fluid circuit component as claimed in claim 5, which is characterized in that described be press-connected is squeezed to be axial
Pressure or radial compression connection.
9. a kind of aero-engine, including pipeline assembly, are arranged in engine surface, which is characterized in that the pipeline assembly is
Aero-engine fluid circuit component described in any one of claim 5 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821152877.2U CN209041796U (en) | 2018-07-20 | 2018-07-20 | Aero-engine and its fluid circuit component, modularization welding pipeline assembly |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821152877.2U CN209041796U (en) | 2018-07-20 | 2018-07-20 | Aero-engine and its fluid circuit component, modularization welding pipeline assembly |
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| Publication Number | Publication Date |
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| CN209041796U true CN209041796U (en) | 2019-06-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201821152877.2U Active CN209041796U (en) | 2018-07-20 | 2018-07-20 | Aero-engine and its fluid circuit component, modularization welding pipeline assembly |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110748709A (en) * | 2019-09-10 | 2020-02-04 | 蓝箭航天空间科技股份有限公司 | Preparation method of rocket engine pipeline, rocket engine pipeline and engine |
| CN113969919A (en) * | 2021-11-08 | 2022-01-25 | 中国北方车辆研究所 | Modularized unmanned platform hydraulic system |
-
2018
- 2018-07-20 CN CN201821152877.2U patent/CN209041796U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110748709A (en) * | 2019-09-10 | 2020-02-04 | 蓝箭航天空间科技股份有限公司 | Preparation method of rocket engine pipeline, rocket engine pipeline and engine |
| CN113969919A (en) * | 2021-11-08 | 2022-01-25 | 中国北方车辆研究所 | Modularized unmanned platform hydraulic system |
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