CN210555559U - Connecting edge strip for lower wall plate of wing root - Google Patents
Connecting edge strip for lower wall plate of wing root Download PDFInfo
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- CN210555559U CN210555559U CN201921561696.XU CN201921561696U CN210555559U CN 210555559 U CN210555559 U CN 210555559U CN 201921561696 U CN201921561696 U CN 201921561696U CN 210555559 U CN210555559 U CN 210555559U
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Abstract
The utility model discloses a flange strip is connected to wallboard under wing root, it belongs to aircraft spare part technical field, including T type fillet, last band plate and the lower band plate that is split type setting, go up the band plate with the parallel interval of band plate sets up down, T type fillet connect in go up the band plate and keep away from one side of band plate down, central authorities' wing wallboard and outer wing wallboard clamp locate go up the band plate with between the band plate down, root rib web with T type fillet is connected. Through the split type configuration, the complex configuration is decomposed into simple parts, the working hours for manufacturing single parts are reduced, the parts can be manufactured in parallel, and the mass production efficiency is improved; due to the fact that the size of a single piece is small, the material utilization rate of the titanium alloy forging joint can be remarkably improved and the cost is reduced in the aspect of material selection of the structure; the single piece manufacturing difficulty is reduced, the size precision is high, the assembling and padding are reduced, and the mechanical performance of a wing root assembling area is improved; the assembly path of the parts is optimized, the assembly difficulty is reduced, the comprehensive efficiency is improved, and the cost is reduced.
Description
Technical Field
The utility model relates to an aircraft parts technical field especially relates to a flange strip is connected to wallboard under wing root.
Background
The wing root connecting area is one of key points of the structure design of the engine body, the outer wing, the central wing and the middle engine body are connected through the design joint, the requirement on the bearing (strength) capacity of the structure is not only required to be considered, but also the coordination and the matching of the structure are required to be emphasized, and the wing root connecting area is a key part of the whole engine assembly.
The wallboard is connected and is mostly adopted "T type" rim strip structure and connection band plate cooperation under current wing, because the wing root joining region bears the weight of the environment harsh, often adopts the titanium alloy forging, and the part is made the degree of difficulty big, with high costs, especially to large-scale civil aircraft, its root joining region size is big, and the rim strip shape is complicated, and the total assembly closes the required precision height moreover, and the rim strip of complicated shape is made the degree of difficulty very big, and the part is with high costs.
Due to the influences of size effect, precision requirement, material utilization rate and the like, the titanium alloy forging structure with the large-size complex structure has very high production cost, and from the aspects of market trend of civil aircrafts and customer requirements, the reduction of the aircraft cost is a key link for product development.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a flange strip is connected to wallboard under wing root to solve the technical problem that the flange strip structure that exists is complicated, manufacturing cost is high among the prior art.
As the conception, the utility model adopts the technical proposal that:
the utility model provides a wallboard connection flange under wing root, is including the T type fillet that is split type setting, go up the band plate and band plate down, go up the band plate with band plate parallel interval sets up down, T type fillet connect in go up the band plate and keep away from one side of band plate down, central authorities' wing wallboard presss from both sides with the outer wing wallboard and locates go up the band plate with between the band plate down, root rib web with T type fillet is connected.
The T-shaped corner piece comprises a first plate and a second plate which are vertically connected, the middle part of the first plate is connected with the second plate, and the second plate is connected with the web of the root rib.
Wherein, be provided with first fastener on the first board in one side of second board, first fastener is connected the T type fillet, go up the band plate, central wing wallboard and down the band plate.
And a second fastener is arranged on the other side of the second plate on the first plate and is connected with the T-shaped corner piece, the upper belt plate, the outer wing wall plate and the lower belt plate.
Wherein the root rib web is provided on a side of the second panel adjacent the central panel.
Wherein the second plate is connected to the root rib web by a third fastener.
The upper belt plate is toothed, a plurality of grooves are formed in the two sides of the upper belt plate, a first protrusion capable of being inserted into the grooves is arranged on the central wing wall plate, and a second protrusion capable of being inserted into the grooves is arranged on the outer wing wall plate.
Wherein the central wing panel comprises a first stringer and a first skin connected to the first stringer, the first projection being provided on a side of the first stringer remote from the first skin.
Wherein, the outer wing panel includes the second stringer and with the second skin that the second stringer is connected, the second arch set up in the second stringer is kept away from one side of second skin.
And inclined planes are arranged on one side of the first protrusion close to the T-shaped corner piece and one side of the second protrusion close to the T-shaped corner piece.
The utility model has the advantages that:
the utility model provides a lower wall plate connecting edge strip of a wing root divides a complex configuration into simple parts through a split configuration, reduces the working hours of single piece manufacturing, can manufacture parts in parallel and improves the efficiency of mass production; due to the fact that the size of a single piece is small, the material utilization rate of the titanium alloy forging joint can be remarkably improved and the cost is reduced in the aspect of material selection of the structure; generally, the split T-shaped corner pieces, the upper belt plate and the lower belt plate are adopted to connect the central wing wall plate and the outer wing wall plate with the middle fuselage, so that the manufacturing difficulty of single pieces is reduced, the size precision is high, the assembling and padding are reduced, and the mechanical performance of a wing root assembling area is improved; the assembly path of the parts is optimized, the assembly difficulty is reduced, the comprehensive efficiency is improved, and the cost is reduced.
Drawings
Fig. 1 is a schematic structural diagram of a wing root lower wall plate connecting edge strip provided by an embodiment of the present invention;
FIG. 2 is an enlarged view at A of FIG. 1;
fig. 3 is a side view of a lower wall plate connecting flange of a wing root provided by an embodiment of the present invention.
In the figure:
10. a central wing panel; 101. a first protrusion; 102. a first stringer; 103. a first skin;
20. an outer wing panel; 201. a second protrusion; 202. a second stringer; 203. a second skin;
30. a root rib web;
1. t-shaped corner pieces; 11. a first plate; 12. a second plate;
2. a belt loading plate;
3. a lower band plate;
4. a first fastener;
5. a second fastener;
6. and a third fastener.
Detailed Description
Reference will now be made in detail to the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.
In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, detachably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.
Referring to fig. 1 to 3, the embodiment of the utility model provides a wallboard connecting flange under wing root, including being split type setting T type fillet 1, go up band plate 2 and band plate 3 down, go up band plate 2 and the parallel interval setting of band plate 3 down, T type fillet 1 is connected in last band plate 2 and is kept away from one side of band plate 3 down, and central wing wallboard 10 presss from both sides with outer wing wallboard 20 and locates between band plate 2 and the band plate 3 down, and root rib web 30 is connected with T type fillet 1. Wherein the root rib web 30 can be connected with the midbody by means of a connection piece.
Through the split type configuration, the complex configuration is decomposed into simple parts, the working hours for manufacturing single parts are reduced, the parts can be manufactured in parallel, and the mass production efficiency is improved; due to the fact that the size of a single piece is small, the material utilization rate of the titanium alloy forging joint can be remarkably improved and the cost is reduced in the aspect of material selection of the structure; generally, the central wing wall plate 10 and the outer wing wall plate 20 are connected with the middle fuselage by adopting the split T-shaped corner pieces 1, the upper belt plates 2 and the lower belt plates 3, so that the single piece manufacturing difficulty is reduced, the size precision is high, the assembling and padding are reduced, and the mechanical performance of a wing root assembling area is improved; the assembly path of the parts is optimized, the assembly difficulty is reduced, the comprehensive efficiency is improved, and the cost is reduced.
The upper band plate 2 is toothed, a plurality of grooves are formed in the two sides of the upper band plate 2, a first protrusion 101 capable of being inserted into the grooves is arranged on the central wing wall plate 10, and a second protrusion 201 capable of being inserted into the grooves is arranged on the outer wing wall plate 20. The groove is matched with the first protrusion 101, so that the contact area between the central wing wall plate 10 and the upper belt plate 2 is increased, the central wing wall plate 10 can be positioned, and the connection tightness is ensured; similarly, the recess and the second protrusion 201 cooperate to secure the connection between the outer wing wall panel 20 and the upper strap 2.
The center panel 10 includes a first stringer 102 and a first skin 103 connected to the first stringer 102, with a first projection 101 provided on a side of the first stringer 102 remote from the first skin 103. During assembly, the first stringer 102 is connected to the upper belt plate 2 and the first skin 103 is connected to the lower belt plate 3. Outer wing panel 20 includes a second stringer 202 and a second skin 203 connected to second stringer 202, with a second projection 201 provided on a side of second stringer 202 remote from second skin 203. During assembly, second stringer 202 is attached to upper belt 2 and second skin 203 is attached to lower belt 3.
The side of the first protrusion 101 close to the T-shaped corner piece 1 and the side of the second protrusion 201 close to the T-shaped corner piece 1 are both provided with an inclined surface. The provision of the inclined surfaces provides an avoidance function which facilitates the connection of first stringer 102 and second stringer 202 to upper belt plate 2.
The T-shaped corner piece 1 comprises a first plate 11 and a second plate 12 which are vertically connected, the middle part of the first plate 11 is connected with the second plate 12, and the second plate 12 is connected with a root rib web 30. The first plate 11 is symmetrical relative to the second plate 12, ensuring a balanced force. Of course, the first plate 11 and the second plate 12 are integrally formed, which facilitates the one-step forming of the T-shaped corner piece 1.
The first panel 11 is provided with a first fastener 4 on one side of the second panel 12, the first fastener 4 connecting the T-fillet 1, the upper strip 2, the central wing panel 10 and the lower strip 3. The first plate 11 is provided with a second fastener 5 on the other side of the second plate 12, and the second fastener 5 connects the T-shaped corner piece 1, the upper band plate 2, the outer wing wall plate 20 and the lower band plate 3.
The root rib web 30 is provided on the side of the second panel 12 adjacent the central panel 10. Of course, the root rib web 30 may also be disposed on the side of the second panel 12 adjacent the outer panel 20, without limitation. The second plate 12 is connected to the root rib web 30 by a third fastener 6.
The first fastening member 4, the second fastening member 5 and the third fastening member 6 are provided in plurality at intervals, and are not described again. To ensure the tightness of the connection, a fourth fastening element is provided, which connects the upper band plate 2, the central wing panel 10 and the lower band plate 3, and a fifth fastening element, which connects the upper band plate 2, the outer wing panel 20 and the lower band plate 3. Since the upper band plate 2 is wider than the lower band plate 3, in order to ensure the tightness of the connection, sixth fasteners are provided which connect the upper band plate 2 with the central wing panel 10, and seventh fasteners which connect the upper band plate 2 with the outer wing panel 20. With reference to the T-shaped corner piece 1, the first fastener 4, the fourth fastener and the sixth fastener are sequentially disposed outward on one side of the second plate 12, and the second fastener 5, the fifth fastener and the seventh fastener are sequentially disposed outward on the other side of the second plate 12.
The outer panel 20 load is transferred at the root by the outer panel 20, the upper band 2 and the lower band 3 through a double shear connection by fasteners, wherein the second fasteners 5 connect the T-fillet 1, the upper band 2, the outer panel 20 and the lower band 3, balancing part of the shear load and the vertical load. Correspondingly, the load of the central panel 10 is transferred at the root by the central panel 10, the upper strip 2 and the lower strip 3 in a double shear connection by fasteners, wherein the first fasteners 4 connect the T-fillet 1, the upper strip 2, the central panel 10 and the lower strip 3, balancing the partial shear load and the vertical load. The T-shaped angle piece 1 is connected with a root rib web 30 to balance shearing load and part of vertical load.
The above embodiments have been described only the basic principles and features of the present invention, and the present invention is not limited by the above embodiments, and is not departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (10)
1. The utility model provides a wallboard connecting flange under wing root, its characterized in that, including T type fillet (1), last band plate (2) and lower band plate (3) that are split type setting, go up band plate (2) with band plate (3) parallel interval sets up down, T type fillet (1) connect in go up band plate (2) and keep away from one side of band plate (3) down, central wing wallboard (10) and outer wing wallboard (20) press from both sides and locate go up band plate (2) with between band plate (3) down, root rib web (30) with T type fillet (1) are connected.
2. The wing root lower panel connection cap according to claim 1, characterized in that the T-fillet (1) comprises a first panel (11) and a second panel (12) which are vertically connected, the first panel (11) being connected to the second panel (12) at a middle portion thereof, and the second panel (12) being connected to the root rib web (30).
3. The wing root lower panel connection cap as claimed in claim 2, characterized in that the first panel (11) is provided with a first fastening (4) on one side of the second panel (12), the first fastening (4) connecting the T-fillet (1), the upper strap (2), the central wing panel (10) and the lower strap (3).
4. The wing root lower panel connection cap according to claim 3, characterized in that a second fastening member (5) is provided on the first panel (11) on the other side of the second panel (12), the second fastening member (5) connecting the T-fillet (1), the upper strip panel (2), the outer wing panel (20) and the lower strip panel (3).
5. The wing root lower panel connection cap according to claim 2, characterized in that the root rib web (30) is provided on the side of the second panel (12) adjacent to the central panel (10).
6. The wing root lower panel connection cap according to claim 2, characterized in that the second panel (12) is connected to the root rib web (30) by a third fastener (6).
7. The lower wing root panel connecting cap as claimed in any one of claims 1 to 6, wherein the upper strip plate (2) is toothed, grooves are provided on both sides of the upper strip plate (2), a first protrusion (101) capable of being inserted into the grooves is provided on the central wing wall plate (10), and a second protrusion (201) capable of being inserted into the grooves is provided on the outer wing wall plate (20).
8. The wing root lower panel connection flap of claim 7, characterized in that the central panel (10) comprises a first stringer (102) and a first skin (103) connected to the first stringer (102), the first protrusion (101) being provided on a side of the first stringer (102) remote from the first skin (103).
9. The wing root lower panel connection flap of claim 7, wherein the outer wing panel (20) comprises a second stringer (202) and a second skin (203) connected to the second stringer (202), the second protrusion (201) being provided on a side of the second stringer (202) remote from the second skin (203).
10. The lower wing root panel connection cap as claimed in claim 7, characterized in that both the side of the first projection (101) adjacent to the T-fillet (1) and the side of the second projection (201) adjacent to the T-fillet (1) are provided with a bevel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921561696.XU CN210555559U (en) | 2019-09-19 | 2019-09-19 | Connecting edge strip for lower wall plate of wing root |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921561696.XU CN210555559U (en) | 2019-09-19 | 2019-09-19 | Connecting edge strip for lower wall plate of wing root |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210555559U true CN210555559U (en) | 2020-05-19 |
Family
ID=70628856
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921561696.XU Active CN210555559U (en) | 2019-09-19 | 2019-09-19 | Connecting edge strip for lower wall plate of wing root |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210555559U (en) |
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2019
- 2019-09-19 CN CN201921561696.XU patent/CN210555559U/en active Active
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