CN209739372U - Static and indefinite hanging structure for airplane backup - Google Patents
Static and indefinite hanging structure for airplane backup Download PDFInfo
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- CN209739372U CN209739372U CN201821998053.7U CN201821998053U CN209739372U CN 209739372 U CN209739372 U CN 209739372U CN 201821998053 U CN201821998053 U CN 201821998053U CN 209739372 U CN209739372 U CN 209739372U
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Abstract
the utility model relates to the technical field of airplane damage safety, and provides an airplane backup static and indefinite hanging structure, which comprises a left wall plate, a right wall plate, hanging middle joint lug plates and lateral connecting rods; the hanging middle joint lug comprises a left middle joint lug and a right middle joint lug; the left middle joint lug comprises a left short beam middle joint lug and a left wallboard lug which form a backup design; the right middle joint lug comprises a right short beam middle joint lug and a right wallboard lug which form a backup design; the lateral connecting rods comprise 2 left lateral connecting rods and 2 right lateral connecting rods; one end of each of the 2 left and right lateral connecting rods is respectively connected with a left and right lateral joint lug arranged on the left and right hanging short beams, and the other end is respectively connected with a wing hanging lateral connecting rod joint; the 2 left and right lateral connecting rods respectively form a backup design. The utility model greatly reduces the concentrated force load of the lower wall plate of the wing, which is beneficial to reducing the weight of the lower wall plate component of the wing; novel structure, simple and wide application prospect.
Description
Technical Field
The utility model relates to an aircraft breakage safety technical field, in particular to static indefinite suspended structure of aircraft backup.
Background
the design of the suspension structure of the existing airplane has two ideas, one is a scheme of a static and indefinite suspension structure, as shown in figure 1, C919 and Boeing series airplanes adopt the scheme; one solution for a statically determinate hangar structure is that which is used by the air passenger series of aircraft, as shown in figure 2.
The middle joint, the upper supporting rod joint and the lower supporting rod joint corresponding to the static and uncertain hanging structure are all designed in a single structure, and if the single joint is damaged, a force transmission path is changed; the front connector, the rear connector and the lug piece on the hanger corresponding to the statically determined hanger structure are all designed in a backup mode, if a single connector is damaged, the force transmission path is not changed.
Based on the prior art, the following defects exist:
1. If a static and uncertain hanging structure scheme is adopted, the load of a hanging joint is overlarge under the condition of damage safety of the structure, the thickness of the lower wall plate is thickened, and the weight of the lower wall plate is obviously increased;
2. If the statically determinate hanging structure scheme is adopted, the design of emergency disconnection is difficult, the separation between a hanging part and a wing is difficult to realize, and the safety of a wing oil tank is ensured.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving above-mentioned technical problem, provide a quiet indefinite suspended structure of aircraft, improved quiet indefinite suspended structure scheme, ensured that the joint that corresponds adopts backup design, avoided single joint to take place damaged back, the biography power route changes, effectively reduces quiet indefinite suspended joint and corresponds the load, reduces the load of wallboard under the wing simultaneously, avoids the local bodiness of wallboard down, alleviates wing box weight.
The technical scheme of the utility model as follows:
An airplane backup static and indefinite hanging structure comprises a left wall plate, a right wall plate, a hanging middle joint lug and a lateral connecting rod;
the hanging middle joint lug comprises a left middle joint lug and a right middle joint lug; the left middle joint lug comprises a left short beam middle joint lug arranged on the left hanging short beam and a left wallboard lug arranged on the left wallboard, and the left short beam middle joint lug and the left wallboard lug form a backup design; the right middle joint lug comprises a right short beam middle joint lug arranged on the hanging right short beam and a right wallboard lug arranged on the right wallboard, and the right short beam middle joint lug and the right wallboard lug form a backup design; the above-mentioned backup design means that when one of the joint lug in the left (right) stub beam and the left (right) wall plate lug is damaged, the other undamaged lug bears the load born by the 2 lugs, and the 2 lugs are backup for each other.
The lateral links comprise 2 left lateral links and 2 right lateral links; one end of each of the 2 left lateral connecting rods is connected with a left lateral joint lug arranged on the left hanging short beam, and the other end of each left lateral connecting rod is connected with a wing hanging lateral connecting rod joint; one end of each of the 2 right lateral connecting rods is connected with a right lateral joint lug arranged on the hanging right short beam, and the other end of each of the 2 right lateral connecting rods is connected with a wing hanging lateral connecting rod joint; 2 left connecting rods form a backup design, and 2 right connecting rods form a backup design;
The hanging middle joint lug is connected with the wing hanging middle joint through a shear pin.
Further, the left wall panel extends beyond a first portion at the left stub beam connector tab to form the left wall panel tab; the right wallboard extends out of the first portion at the joint lug in the right stub beam to form the right wallboard lug.
Furthermore, the left lateral connecting rod and the right lateral connecting rod are respectively 2 connecting pieces; the connecting sheets are all positioned between the wing hanging lateral connecting rod joint and the hanging short beam lateral joint lug; the symmetric centers of the left lateral connecting rod and the right lateral connecting rod are coincided with the symmetric centers of the joint lug in the left short beam and the joint lug in the right short beam.
Furthermore, the left wallboard lug is overlapped with the joint lug in the left hanging short beam, and the right wallboard lug is overlapped with the joint lug in the right hanging short beam; the left wallboard lug, the hanging left short beam middle joint lug, the right wallboard lug and the hanging right short beam middle joint lug transmit course load and vertical load together.
Furthermore, the wing hanging left middle joint comprises a left part of the wing hanging left middle joint and a right part of the wing hanging left middle joint, and the left part of the wing hanging left middle joint and the right part of the wing hanging left middle joint are of split structures; the left part of the left middle wing hanging joint is connected with the right part of the left middle wing hanging joint, and then the left middle wing hanging joint and the right middle wing hanging joint are integrally connected to a lower wing wall plate;
the wing hanging right middle joint comprises a left part of the wing hanging right middle joint and a right part of the wing hanging right middle joint, and the left part of the wing hanging right middle joint and the right part of the wing hanging right middle joint are of split structures; the left part of the right middle connector of the wing hanger is connected with the right part of the right middle connector of the wing hanger, and then the left part and the right part of the right middle connector of the wing hanger are integrally connected to the lower wall plate of the wing.
Further, the left part of the left middle wing hanging joint is connected with the right part of the left middle wing hanging joint through a fastener; the left part of the right middle connector of the wing hanger is connected with the right part of the right middle connector of the wing hanger through a fastener.
An aircraft is provided with the aircraft backup static and indefinite hanging structure.
The utility model has the advantages that: the joint area in the hanging box section is designed into a left wall plate, a right wall plate, a middle joint lug and a left lateral connecting rod and a right lateral connecting rod, wherein the side wall plate lug and the short beam middle joint lug form a double backup design; the single lateral connecting rod is formed by two connecting pieces to form a backup design, so that the force transmission path between the hanger and the wing is not changed under the condition that the single connecting piece is damaged, the concentrated force load of the lower wall plate of the wing is greatly reduced, and the weight of the lower wall plate of the wing is favorably reduced.
Drawings
FIG. 1 is a schematic diagram of a static and unsteady hanging structure in the prior art.
FIG. 2 is a schematic view of a statically determinate hanging structure in the prior art.
Fig. 3 is a schematic overall view of an aircraft backup static and unsteady suspension structure according to an embodiment of the present invention.
Fig. 4 is an enlarged view of a portion a of fig. 3.
fig. 5 is a schematic view showing the arrangement positions of the joint lugs and the left and right lateral joint lugs on the left and right side sills.
FIG. 6 is a schematic structural diagram of a left middle hanging joint of an airfoil (the same applies to the structure of a right middle hanging joint).
Wherein: 1-left wallboard tab; 2-left short beam middle joint lug; 3-lateral links (4); 4-hanging the left short beam; 5-hanging the right short beam; 6-left lateral joint tab (located on left short beam); 7-right lateral joint tab (located on right short beam); 8-right short beam middle joint lug; 11-wing hanging left middle joint; 12-wing hanging right middle joint; 111-wing hanging left middle joint left side part; 112-the wing hangs the right part of the left middle joint.
Detailed Description
specific embodiments of the present invention will be described in detail below with reference to the accompanying drawings. It should be noted that technical features or combinations of technical features described in the following embodiments should not be considered as being isolated, and they may be combined with each other to achieve better technical effects. In the drawings of the embodiments described below, the same reference numerals appearing in the respective drawings denote the same features or components, and may be applied to different embodiments.
The utility model provides an aircraft backup static and indefinite hanging structure, the whole structure is shown in figure 3; comprises a left wall plate, a right wall plate, a hanging middle joint lug and a lateral connecting rod;
The hanging middle joint lug comprises a left middle joint lug and a right middle joint lug; the left middle joint lug comprises a left short beam middle joint lug arranged on the left hanging short beam and a left wallboard lug arranged on the left wallboard, and the left short beam middle joint lug and the left wallboard lug form a backup design (see figure 4); the right middle joint lug comprises a right short beam middle joint lug arranged on the hanging right short beam and a right wallboard lug arranged on the right wallboard, and the right short beam middle joint lug and the right wallboard lug form a backup design;
as shown in fig. 4, the lateral links include 2 left lateral links and 2 right lateral links; one end of each of the 2 left lateral connecting rods is connected with a left lateral joint lug arranged on the left hanging short beam (the position is shown in figure 5), and the other end of each left lateral connecting rod is connected with a wing hanging lateral connecting rod joint; one end of each of the 2 right lateral connecting rods is connected with a right lateral joint lug arranged on the hanging right short beam (the position is shown in figure 5), and the other end of each of the 2 right lateral connecting rods is connected with a wing hanging lateral connecting rod joint; 2 left connecting rods form a backup design, and 2 right connecting rods form a backup design;
The hanging middle joint lug is connected with the wing hanging middle joint through a shear pin.
preferably, the left wall panel extends beyond a first portion at the left stub beam connector tab to form the left wall panel tab; the right wallboard extends out of the first portion at the joint lug in the right stub beam to form the right wallboard lug.
Preferably, the left lateral connecting rod and the right lateral connecting rod are respectively 2 connecting pieces; the connecting sheets are all positioned between the wing hanging lateral connecting rod joint and the hanging short beam lateral joint lug; the symmetric centers of the left lateral connecting rod and the right lateral connecting rod are coincided with the symmetric centers of the joint lug in the left short beam and the joint lug in the right short beam.
Preferably, the left wallboard lug is overlapped with the joint lug in the left hanging short beam, and the right wallboard lug is overlapped with the joint lug in the right hanging short beam; the left wallboard lug, the hanging left short beam middle joint lug, the right wallboard lug and the hanging right short beam middle joint lug transmit course load and vertical load together.
as shown in fig. 6, the left middle wing hanging joint comprises a left side part of the left middle wing hanging joint and a right side part of the left middle wing hanging joint, and the left side part of the left middle wing hanging joint and the right side part of the left middle wing hanging joint are of split structures; the left part of the left middle wing hanging joint is connected with the right part of the left middle wing hanging joint, and then the left middle wing hanging joint and the right middle wing hanging joint are integrally connected to a lower wing wall plate;
The wing hanging right middle joint comprises a left part of the wing hanging right middle joint and a right part of the wing hanging right middle joint, and the left part of the wing hanging right middle joint and the right part of the wing hanging right middle joint are of split structures; the left part of the right middle connector of the wing hanger is connected with the right part of the right middle connector of the wing hanger, and then the left part and the right part of the right middle connector of the wing hanger are integrally connected to the lower wall plate of the wing.
The left part of the left middle joint of the wing hanger and the right part of the left middle joint of the wing hanger can be connected through a fastener or other connection modes; the left part of the wing hanging right middle joint and the right part of the wing hanging right middle joint can be connected through fasteners or in other modes.
An aircraft is provided with the aircraft backup static and indefinite hanging structure.
In actual use, the side wall plate lug and the short beam middle joint lug form a backup design; a single lateral connecting rod is composed of 2 connecting sheets to form a backup design; the force transmission path between the hanging structure and the wing is not changed under the condition that a single connecting piece is damaged, the concentrated force load of the lower wall plate of the wing is greatly reduced, and the weight of the lower wall plate component of the wing is favorably reduced.
Specifically, the side wall plate lugs and the short beam middle joint lugs are superposed back to jointly transmit course load and vertical load, and when one of the short beam middle joint lugs is damaged, the corresponding side wall plate lugs are used for transmitting the load to ensure that the load transmitted to the hanging middle joint is unchanged. Each lateral connecting rod consists of two connecting pieces, the two connecting pieces are respectively positioned at two sides of the lateral joint lug of the hanging short beam, and the design of the two connecting pieces is favorable for preventing the whole lateral connecting rod from losing efficacy due to crack propagation; meanwhile, the wing hanging joint adopts a split type design, so that the force transmission path between the hanging part and the wing is not changed under the condition that a single connecting piece is damaged, the concentrated force load of the lower wall plate of the wing is greatly reduced, and the weight of the lower wall plate component of the wing is favorably reduced; novel structure, simple and wide application prospect.
The utility model discloses an innovation point mainly lies in:
1. Through the backup design of the hanging middle joint and the wing middle joint, the joint load under the condition of single joint damage is effectively reduced by 30%, and the excessive load and the excessive weight of the wing lower wall plate are avoided.
2. and left and right wall plate lugs are additionally arranged on the side wall plate, so that the side wall plate lugs and the short beam middle joint lugs bear the middle joint load together.
3. The wing hanging joint corresponding to the hanging middle joint is designed into a split structure and is integrally connected to the wing lower wall plate.
While several embodiments of the present invention have been presented herein, it will be appreciated by those skilled in the art that changes can be made to the embodiments herein without departing from the spirit of the invention. The above-described embodiments are merely exemplary and should not be taken as limiting the scope of the invention.
Claims (6)
1. an airplane backup static and indefinite hanging structure is characterized by comprising a left wall plate, a right wall plate, a hanging middle joint lug and a lateral connecting rod;
The hanging middle joint lug comprises a left middle joint lug and a right middle joint lug; the left middle joint lug comprises a left short beam middle joint lug arranged on the left hanging short beam and a left wallboard lug arranged on the left wallboard, and the left short beam middle joint lug and the left wallboard lug form a backup design; the right middle joint lug comprises a right short beam middle joint lug arranged on the hanging right short beam and a right wallboard lug arranged on the right wallboard, and the right short beam middle joint lug and the right wallboard lug form a backup design;
The lateral links comprise 2 left lateral links and 2 right lateral links; one end of each of the 2 left lateral connecting rods is connected with a left lateral joint lug arranged on the left hanging short beam, and the other end of each left lateral connecting rod is connected with a wing hanging lateral connecting rod joint; one end of each of the 2 right lateral connecting rods is connected with a right lateral joint lug arranged on the hanging right short beam, and the other end of each of the 2 right lateral connecting rods is connected with a wing hanging lateral connecting rod joint; 2 left connecting rods form a backup design, and 2 right connecting rods form a backup design;
The hanging middle joint lug is connected with the wing hanging middle joint through a shear pin.
2. The aircraft backup static suspension structure of claim 1 wherein said left wall panel extends beyond a first portion at said left stub center tab to form said left wall panel tab; the right wallboard extends out of the first portion at the joint lug in the right stub beam to form the right wallboard lug.
3. The aircraft backup static and indefinite hanging structure of claim 1 wherein the left lateral connecting rod and the right lateral connecting rod are respectively 2 connecting pieces; the connecting sheets are all positioned between the wing hanging lateral connecting rod joint and the hanging short beam lateral joint lug; the symmetric centers of the left lateral connecting rod and the right lateral connecting rod are coincided with the symmetric centers of the joint lug in the left short beam and the joint lug in the right short beam.
4. The aircraft backup static suspension structure of claim 1 wherein the left panel tab is stacked with the connector tab in the left stub beam and the right panel tab is stacked with the connector tab in the right stub beam; the left wallboard lug, the hanging left short beam middle joint lug, the right wallboard lug and the hanging right short beam middle joint lug transmit course load and vertical load together.
5. An aircraft backup static suspension structure according to any of claims 1-4,
the left middle wing hanging connector comprises a left side part and a right side part, and the left side part and the right side part are of split structures; the left part of the left middle wing hanging joint is connected with the right part of the left middle wing hanging joint, and then the left middle wing hanging joint and the right middle wing hanging joint are integrally connected to a lower wing wall plate;
the wing hanging right middle joint comprises a left part of the wing hanging right middle joint and a right part of the wing hanging right middle joint, and the left part of the wing hanging right middle joint and the right part of the wing hanging right middle joint are of split structures; the left part of the right middle connector of the wing hanger is connected with the right part of the right middle connector of the wing hanger, and then the left part and the right part of the right middle connector of the wing hanger are integrally connected to the lower wall plate of the wing.
6. the aircraft backup static indeterminate suspension structure as claimed in claim 5, wherein the left part of the wing suspension left middle joint and the right part of the wing suspension left middle joint are connected by fasteners; the left part of the right middle connector of the wing hanger is connected with the right part of the right middle connector of the wing hanger through a fastener.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821998053.7U CN209739372U (en) | 2018-11-30 | 2018-11-30 | Static and indefinite hanging structure for airplane backup |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821998053.7U CN209739372U (en) | 2018-11-30 | 2018-11-30 | Static and indefinite hanging structure for airplane backup |
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| Publication Number | Publication Date |
|---|---|
| CN209739372U true CN209739372U (en) | 2019-12-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201821998053.7U Active CN209739372U (en) | 2018-11-30 | 2018-11-30 | Static and indefinite hanging structure for airplane backup |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109455304A (en) * | 2018-11-30 | 2019-03-12 | 中国商用飞机有限责任公司北京民用飞机技术研究中心 | A kind of aircraft static indeterminacy hanging structure |
-
2018
- 2018-11-30 CN CN201821998053.7U patent/CN209739372U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109455304A (en) * | 2018-11-30 | 2019-03-12 | 中国商用飞机有限责任公司北京民用飞机技术研究中心 | A kind of aircraft static indeterminacy hanging structure |
| CN109455304B (en) * | 2018-11-30 | 2024-02-23 | 中国商用飞机有限责任公司北京民用飞机技术研究中心 | Static and indefinite hanging structure of airplane |
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