CN209634719U - A kind of fixed wing aircraft underwing connection component - Google Patents
A kind of fixed wing aircraft underwing connection component Download PDFInfo
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- CN209634719U CN209634719U CN201822110195.1U CN201822110195U CN209634719U CN 209634719 U CN209634719 U CN 209634719U CN 201822110195 U CN201822110195 U CN 201822110195U CN 209634719 U CN209634719 U CN 209634719U
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- connector
- auricle
- gap
- banjo fixing
- fixing butt
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Abstract
The utility model relates to a kind of fixed wing aircraft underwing connection components, by forming along three groups of banjo fixing butt jointings that frame upper limb direction is arranged；Left side banjo fixing butt jointing is made of the first connector (1), the second connector (2)；Intermediate banjo fixing butt jointing is made of third connector (3), the 4th connector (4)；Right side banjo fixing butt jointing is made of the 5th connector (5), the 6th connector (6)；The auricle of left side banjo fixing butt jointing and right side banjo fixing butt jointing is arranged along course, and there are gaps between connector auricle；Intermediate banjo fixing butt jointing auricle is along wing spanwise arrangement；First connector (1), third connector (3), the 5th connector (5) are monaural connector；Second connector (2), the 4th connector (4), the 6th connector (6) are ears connector.The hanger connection component of the utility model can effectively transmit three direction load of hanging device, improve structure design efficiency；And eliminate influence of the fixed wing aircraft wing large deformation to hanging device.
Description
Technical field
The utility model belongs to hanging rack structure design field, and in particular to a kind of fixed wing aircraft underwing connection
Component.
Background technique
The wing of fixed wing aircraft can provide the installation of the various equipment such as engine, weapon carrier, fuel tank, equipment compartment,
Aviation field mostly uses hanger or hanging structure to connect wing-box and hanging device at present.Hanging device is by pneumatic and inertia etc.
Load effect, the fractional load are made of course, lateral and vertical component, are transmitted by hanger connection structure to wing.It is a kind of
On common posting path, course, lateral and vertical three directional loads, hanging rack structure and wing are transmitted to wing box girder by hanger frame
Connection generally use auricle docking, auricle is primarily subjected to the load of both direction in face, and connector auricle is by auricle face foreign side
Structure efficiency to load is very low, generally meets intensity requirement by increasing auricle thickness, bring weight cost be difficult by
Receive.The wing amount of deflection of large-scale fixed wing aircraft is increasing simultaneously, wing deformation it is generally curved or under it is curved when, hanger connection
Frame is extended generates larger displacement between the tie point of position therewith, causes the internal force of hanger frame, brings to hanging rack structure design
Trouble.
Summary of the invention
The purpose of this utility model is: designing a kind of fixed wing aircraft underwing connection component, providing one kind can pass
The type of attachment of three direction load is passed, is imitated with solving current Hoisting Program center tap auricle by the structure of auricle face outside direction load
The low technical problem of rate, and eliminate influence of the wing Large Deflection Deformation to hanging rack structure.
To solve this technical problem, the technical solution of the utility model is:
A kind of fixed wing aircraft underwing connection component, the fixed wing aircraft underwing connection component is by along frame
Three groups of banjo fixing butt jointings composition of upper limb direction arrangement；Left side banjo fixing butt jointing is made of the first connector 1, the second connector 2, left side docking
Connector auricle is arranged along course, and there are gaps between connector auricle；Intermediate banjo fixing butt jointing is by third connector 3,4 groups of the 4th connector
At intermediate banjo fixing butt jointing auricle is along wing spanwise arrangement；Right side banjo fixing butt jointing is made of the 5th connector 5, the 6th connector 6, right side
Banjo fixing butt jointing auricle is arranged along course, and there are gaps between connector auricle；First connector 1, third connector the 3, the 5th
Connector 5 is monaural connector；Second connector 2, the 4th connector 4, the 6th connector 6 are ears connector.
The gap of the left side banjo fixing butt jointing auricle meets the following conditions:
Gap is the first lateral gap Δ 1 between the 2 left side auricle of auricle and the second connector of first connector 1:
First lateral gap Δ 1 is not less than distance between caused first connector 1 and the 5th connector 5 when bending deformation on wing
The half of the absolute value of knots modification；
Gap between the 2 right side auricle of auricle and the second connector of first connector 1 is the first medial gap Δ 2:
Distance between caused first connector 1 and the 5th connector 5 when first medial gap Δ 2 is not less than bending deformation under wing
The half of the absolute value of knots modification.
The gap of the right side banjo fixing butt jointing auricle meets the following conditions:
Gap is the second lateral gap Δ 3 between the 6 right side auricle of auricle and the 6th connector of 5th connector 5:
Second lateral gap Δ 3 is not less than distance between caused first connector 1 and the 5th connector 5 when bending deformation on wing
The half of the absolute value of knots modification；
Gap is the second medial gap Δ 4 between the 6 left side auricle of auricle and the 6th connector of 5th connector 5:
Distance between caused first connector 1 and the 5th connector 5 when second medial gap Δ 4 is not less than bending deformation under wing
The half of the absolute value of knots modification.
First connector 1, the second connector 2, third connector 3, the 4th connector 4, the 5th connector 5,6 material of the 6th connector
For titanium alloy.
The beneficial effects of the utility model are: fixed wing aircraft underwing connection component of the invention can be passed effectively
The three direction load for passing hanging device, improve structure design efficiency；Component of the invention can be effectively using auricle gap
Eliminate influence of the fixed wing aircraft wing large deformation to hanging device；Fixed wing aircraft underwing connection component of the invention can
To meet the connectivity problem of large deflection wing hanging device, and effectively transmit three direction load.
Detailed description of the invention
The structural schematic diagram of fixed wing aircraft underwing connection component Fig. 1 of the invention；
Hanger and wing connection schematic diagram Fig. 2 of the invention；
Fixed wing aircraft underwing connection component assembling schematic diagram Fig. 3 of the invention；
Banjo fixing butt jointing auricle gap schematic diagram on the left of fixed wing aircraft underwing connection component Fig. 4 of the invention；
Banjo fixing butt jointing auricle gap schematic diagram on the right side of fixed wing aircraft underwing connection component Fig. 5 of the invention；
Wherein, 1 it is the first connector, 2 be the second connector, 3 be third connector, 4 be the 4th connector, 5 be the 5th connector, 6 is
6th connector, 7 be engine hanger frame, 8 be wing boxes of wings, 9 be engine nacelle.
Specific embodiment
The utility model is described in detail with reference to the accompanying drawings of the specification:
The fixed wing aircraft underwing connecting component structure schematic diagram of the utility model is as shown in Figure 1, fixed wing aircraft
Underwing connection component along three groups of banjo fixing butt jointings that frame upper limb direction is arranged by forming；Left side banjo fixing butt jointing by the first connector 1,
Second connector 2 composition, left side banjo fixing butt jointing auricle is arranged along course, and there are gaps between connector auricle；Intermediate banjo fixing butt jointing
It is made of third connector 3, the 4th connector 4, intermediate banjo fixing butt jointing auricle is along wing spanwise arrangement；Right side banjo fixing butt jointing is connect by the 5th
First 5, the 6th connector 6 forms, and right side banjo fixing butt jointing auricle is arranged along course, and there are gaps between connector auricle；Described
One connector 1, third connector 3, the 5th connector 5 are monaural connector；Second connector 2, the 4th connector 4, the 6th connector 6 are double
Terminal lug.
The gap of the left side banjo fixing butt jointing auricle meets the following conditions:
Gap is the first lateral gap Δ 1 between the 2 left side auricle of auricle and the second connector of first connector 1:
First lateral gap Δ 1 is not less than distance between caused first connector 1 and the 5th connector 5 when bending deformation on wing
The half of the absolute value of knots modification；
Gap between the 2 right side auricle of auricle and the second connector of first connector 1 is the first medial gap Δ 2:
Distance between caused first connector 1 and the 5th connector 5 when first medial gap Δ 2 is not less than bending deformation under wing
The half of the absolute value of knots modification.
The gap of the right side banjo fixing butt jointing auricle meets the following conditions:
Gap is the second lateral gap Δ 3 between the 6 right side auricle of auricle and the 6th connector of 5th connector 5:
Second lateral gap Δ 3 is not less than distance between caused first connector 1 and the 5th connector 5 when bending deformation on wing
The half of the absolute value of knots modification；
Gap is the second medial gap Δ 4 between the 6 left side auricle of auricle and the 6th connector of 5th connector 5:
Distance between caused first connector 1 and the 5th connector 5 when second medial gap Δ 4 is not less than bending deformation under wing
The half of the absolute value of knots modification.
First connector 1, the second connector 2, third connector 3, the 4th connector 4, the 5th connector 5,6 material of the 6th connector
For titanium alloy.
Specific embodiment connection component position is as shown in Fig. 2, engine is docked with wing by engine hanger.Engine
Hanger Butt Assembling schematic diagram is as shown in figure 3, the frame of engine hanger is docked with Front wing spar, along three groups of frame upper limb direction arrangement
Banjo fixing butt jointing is all made of monaural with ears and docks form.Wherein, intermediate connector auricle is along wing spanwise arrangement, pair of two sides
Connector is arranged along course.
Hanger is primarily subjected to the inertial load and aerodynamic loading of load and engine and nacelle that engine operating generates,
This fractional load includes course, lateral and vertical load component.Wherein, course load is transmitted by the connector of two sides；Lateral load
It is transmitted by intermediate connector；Vertical load is transmitted jointly by three connectors.Power transmission direction direction in the auricle face of each connector,
It avoids loaded outside auricle face.
In addition, the wing of fixed wing aircraft is in flight course, due to that can generate edge by aerodynamic loading and inertial load
The deflection deformation of spanwise shows as curved curved two kinds of forms under.When curved on wing, wing lower aerofoil occurs to stretch and become
Shape, the distance between two rib erect-positions along spanwise can change.By taking metal material wing as an example, certain aircraft rib spacing
For 460mm, the strain of lower aerofoil material maximum tension is about 4000 μ ε, therefore distance changes between the first connector 1 and the 5th connector 5
Variable are as follows:
ΔL=460 × 2 × 4000 × 10-6=3.68mm
When curved under wing, compressive deformation occurs for wing lower aerofoil, and the strain of lower aerofoil material maximum tension is about 2500 μ ε,
Therefore between the first connector 1 and the 5th connector 5 distance knots modification are as follows:
ΔC=-460 × 2 × 2500 × 10-6=-2.3mm
In design, as shown in figure 4, gap is arranged between the auricle of the first connector 1 and the auricle of the second connector 2,
Seek the first lateral gapFirst medial gap
In design, as shown in figure 5, gap is arranged between the auricle of the 5th connector 5 and the auricle of the 6th connector 6,
Seek the second lateral gapSecond medial gap
Claims (5)
1. a kind of fixed wing aircraft underwing connection component, it is characterised in that: the fixed wing aircraft underwing connection
Component along three groups of banjo fixing butt jointings that frame upper limb direction is arranged by forming；Left side banjo fixing butt jointing is by the first connector (1), the second connector
(2) it forms, left side banjo fixing butt jointing auricle is arranged along course, and there are gaps between connector auricle；Intermediate banjo fixing butt jointing is by third
Connector (3), the 4th connector (4) composition, intermediate banjo fixing butt jointing auricle is along wing spanwise arrangement；Right side banjo fixing butt jointing is by the 5th connector
(5), the 6th connector (6) forms, and right side banjo fixing butt jointing auricle is arranged along course, and there are gaps between connector auricle.
2. fixed wing aircraft underwing connection component according to claim 1, it is characterised in that: first connector
(1), third connector (3), the 5th connector (5) are monaural connector；Second connector (2), the 4th connector (4), the 6th connector
It (6) is ears connector.
3. fixed wing aircraft underwing connection component according to claim 2, it is characterised in that: the left side docking
The gap of connector auricle meets the following conditions:
Gap is the first lateral gap Δ 1 between auricle on the left of the auricle and the second connector (2) of first connector (1):
First lateral gap Δ 1 is not less than distance between caused first connector (1) and the 5th connector (5) when bending deformation on wing
The half of the absolute value of knots modification；
Gap on the right side of the auricle and the second connector (2) of first connector (1) between auricle is the first medial gap Δ 2:
Distance between caused first connector (1) and the 5th connector (5) when first medial gap Δ 2 is not less than bending deformation under wing
The half of the absolute value of knots modification.
4. fixed wing aircraft underwing connection component according to claim 2, it is characterised in that: the right side docking
The gap of connector auricle meets the following conditions:
Gap is the second lateral gap Δ 3 between auricle on the right side of the auricle of 5th connector (5) and the 6th connector (6):
Second lateral gap Δ 3 is not less than distance between caused first connector (1) and the 5th connector (5) when bending deformation on wing
The half of the absolute value of knots modification；
Gap is the second medial gap Δ 4 between auricle on the left of the auricle of 5th connector (5) and the 6th connector (6):
Distance between caused first connector (1) and the 5th connector (5) when second medial gap Δ 4 is not less than bending deformation under wing
The half of the absolute value of knots modification.
5. fixed wing aircraft underwing connection component according to claim 2, it is characterised in that: first connector
(1), the second connector (2), third connector (3), the 4th connector (4), the 5th connector (5), the 6th connector (6) material are titanium alloy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822110195.1U CN209634719U (en) | 2018-12-14 | 2018-12-14 | A kind of fixed wing aircraft underwing connection component |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822110195.1U CN209634719U (en) | 2018-12-14 | 2018-12-14 | A kind of fixed wing aircraft underwing connection component |
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| Publication Number | Publication Date |
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| CN209634719U true CN209634719U (en) | 2019-11-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201822110195.1U Active CN209634719U (en) | 2018-12-14 | 2018-12-14 | A kind of fixed wing aircraft underwing connection component |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111086622A (en) * | 2019-12-19 | 2020-05-01 | 中国航空工业集团公司西安飞机设计研究所 | Aircraft with variable wing pitch angle and implementation method |
| CN112623190A (en) * | 2020-12-29 | 2021-04-09 | 中国航空工业集团公司西安飞机设计研究所 | Aircraft stable face box section interfacing apparatus |
| CN113734418A (en) * | 2021-10-09 | 2021-12-03 | 贵州贵飞飞机设计研究院有限公司 | Lug joint structure capable of avoiding bearing axial load |
| CN113859553A (en) * | 2021-11-18 | 2021-12-31 | 中国商用飞机有限责任公司 | Aircraft hanging interface assembly and aircraft hanging |
-
2018
- 2018-12-14 CN CN201822110195.1U patent/CN209634719U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111086622A (en) * | 2019-12-19 | 2020-05-01 | 中国航空工业集团公司西安飞机设计研究所 | Aircraft with variable wing pitch angle and implementation method |
| CN112623190A (en) * | 2020-12-29 | 2021-04-09 | 中国航空工业集团公司西安飞机设计研究所 | Aircraft stable face box section interfacing apparatus |
| CN112623190B (en) * | 2020-12-29 | 2023-11-21 | 中国航空工业集团公司西安飞机设计研究所 | Butt joint device for box sections of plane stabilizer |
| CN113734418A (en) * | 2021-10-09 | 2021-12-03 | 贵州贵飞飞机设计研究院有限公司 | Lug joint structure capable of avoiding bearing axial load |
| CN113859553A (en) * | 2021-11-18 | 2021-12-31 | 中国商用飞机有限责任公司 | Aircraft hanging interface assembly and aircraft hanging |
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