CN109305382B - Mooring joint and jack support structure on airplane - Google Patents
Mooring joint and jack support structure on airplane Download PDFInfo
- Publication number
- CN109305382B CN109305382B CN201811205730.XA CN201811205730A CN109305382B CN 109305382 B CN109305382 B CN 109305382B CN 201811205730 A CN201811205730 A CN 201811205730A CN 109305382 B CN109305382 B CN 109305382B
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- Prior art keywords
- hole
- rod
- connecting piece
- machine body
- airplane
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64F—GROUND OR AIRCRAFT-CARRIER-DECK INSTALLATIONS SPECIALLY ADAPTED FOR USE IN CONNECTION WITH AIRCRAFT; DESIGNING, MANUFACTURING, ASSEMBLING, CLEANING, MAINTAINING OR REPAIRING AIRCRAFT, NOT OTHERWISE PROVIDED FOR; HANDLING, TRANSPORTING, TESTING OR INSPECTING AIRCRAFT COMPONENTS, NOT OTHERWISE PROVIDED FOR
- B64F1/00—Ground or aircraft-carrier-deck installations
- B64F1/12—Anchoring
- B64F1/125—Mooring or ground handling devices for helicopters
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F3/00—Devices, e.g. jacks, adapted for uninterrupted lifting of loads
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T50/00—Aeronautics or air transport
- Y02T50/40—Weight reduction
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Aviation & Aerospace Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Structural Engineering (AREA)
- Connection Of Plates (AREA)
- Mutual Connection Of Rods And Tubes (AREA)
Abstract
The invention relates to an integrated structure of a mooring joint and a jack support on an airplane, and belongs to the field of airplane structure design. A mooring joint and jack support structure on an airplane comprises a connecting piece and a rod-shaped piece; the connecting piece is arranged in the machine body, the top of the connecting piece is connected with a main bearing component of the machine body structure, and the bottom of the connecting piece is provided with a through hole I for the rod-shaped piece to pass through; a through hole II opposite to the through hole I is formed in the skin of the machine body structure; one end of the rod-shaped piece penetrates through the through hole I and the through hole II to be fixed with the connecting piece, the other end of the rod-shaped piece is provided with a jack support matched with the top of the jack, and a tying hole for allowing the tying joint to penetrate is formed in the rod body of the rod-shaped piece. Compared with the prior art, the invention has the following advantages: 1. the connecting piece is arranged in the airplane body, the connecting point is only protruded outside the airplane body, the requirements of the mooring joint and the jack support are met, meanwhile, the mooring opening cover is omitted, and the influence on the aerodynamic appearance of the airplane is reduced. 2. The functions of the mooring joint and the jack support seat are integrated, so that the arrangement of butt points on the machine body structure is reduced, the weight of the machine body mechanism is reduced, and the assembly workload is reduced.
Description
Technical Field
The invention relates to an integrated structure of a mooring joint and a jack support on an airplane, and belongs to the field of airplane structure design.
Background
The airplane mooring joint is characterized in that the airplane is connected with the ground mooring joint or the vehicle-mounted device through a mooring rope in the long-term or short-term parking and transportation process of the airplane, so that the airplane is prevented from being displaced due to the impact of strong wind, rainwater, sea waves, vibration, inertia and the like in the transportation process, and the safety of the airplane in the parking and transportation process is ensured. The jack support is fixed on the airplane and provides a supporting point required by the jack for jacking up the airplane.
Most of the mooring connectors on the existing airplane are arranged on the front fuselage, the undercarriage and the tail of the airplane, in order not to influence the aerodynamic appearance, part of the airplane is provided with the mooring opening covers at the mooring connectors on the fuselage, and the jack supports and the mooring connectors are separately arranged, so that the weight is wasted, and the assembly complexity is increased.
Disclosure of Invention
The invention aims to solve the problems in the prior art and provide an airplane mooring joint and a jack support seat structure which are light in weight, high in assembly efficiency and capable of integrating the functions of the mooring joint and the jack support seat.
In order to achieve the purpose, the invention adopts the following technical scheme: a mooring joint and jack support structure on an airplane comprises a connecting piece and a rod-shaped piece; the connecting piece is arranged in the machine body, the top of the connecting piece is connected with a main bearing component of the machine body structure, and the bottom of the connecting piece is provided with a through hole I for the rod-shaped piece to pass through; a through hole II opposite to the through hole I is formed in the skin of the machine body structure; one end of the rod-shaped piece penetrates through the through hole I and the through hole II to be fixed with the connecting piece, the other end of the rod-shaped piece is provided with a jack support matched with the top of the jack, and a tying hole for allowing the tying joint to penetrate is formed in the rod body of the rod-shaped piece.
Preferably, the connecting piece is a triangular frame, and one surface of the connecting piece is matched with the shape of a main bearing component of the machine body structure; the other two surfaces are matched with the shape of the machine body, and the through hole I is arranged at the included angle formed by the two surfaces.
Preferably, the included angle department that forms at two sides is provided with the boss, and the boss upwards extends along the center pin of connecting piece, and through-hole I sets up along the axial of boss.
Preferably, the through hole I is a step-shaped through hole, and the diameter of the top of the through hole I is smaller than that of the bottom of the through hole I.
Preferably, the rod-shaped part is matched with the through hole I in shape, the end part of the rod-shaped part penetrating out of the boss is provided with threads, and the rod-shaped part is fixed with the connecting piece through a nut.
Preferably, a gasket is laid between the nut and the boss.
Preferably, the extending direction of the tie-reserved hole is consistent with the extending direction of the connecting surface of the connecting piece and the main bearing component of the machine body structure.
Preferably, the jack support is a hemispherical protrusion.
When the connecting piece is used, the rod-shaped piece transmits external load to a main bearing component of an airplane body structure through the connecting piece, the boss increases the stability of the triangular frame connecting piece, and the up-and-down movement of the rod-shaped piece is limited by the stepped through hole.
Compared with the prior art, the invention has the following advantages:
1. the connecting piece is arranged in the airplane body, the connecting point is only protruded outside the airplane body, the requirements of the mooring joint and the jack support are met, meanwhile, the mooring opening cover is omitted, and the influence on the aerodynamic appearance of the airplane is reduced.
2. The functions of the mooring joint and the jack support seat are integrated, so that the arrangement of butt points on the machine body structure is reduced, the weight of the machine body mechanism is reduced, and the assembly workload is reduced.
Drawings
FIG. 1 is a perspective view of an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of an embodiment of the present invention;
FIG. 3 is a view A-A of FIG. 2;
FIG. 4 is a schematic view of the seat structure of FIG. 2;
FIG. 5 is a view A-A of FIG. 4;
FIG. 6 is a schematic view of the screw configuration of FIG. 2;
in the figure, 1, a seat body; 2. a screw; 3. a nut; 4. a gasket; 5. holes are reserved.
Detailed Description
It should be noted that the top, bottom, etc. described in the present embodiment are all described according to the drawings, and do not limit the present invention.
The invention is described in further detail below with reference to the accompanying figures 1-6: as shown in fig. 1-3, a mooring joint and jack support structure for an aircraft mainly includes a screw rod 2, a base 1, a nut 3 and a washer 4.
As shown in fig. 4-5, the seat body 1 is a triangular frame, one side of which is adapted to the shape of the main bearing component of the body structure; the other two surfaces are matched with the shape of the machine body, and the through hole I is arranged at an included angle formed by the two surfaces; in order to increase the stability of the seat body 1, a boss is arranged at an included angle formed by the two surfaces, the boss extends upwards along the central axis of the seat body, the through hole I is arranged along the axial direction of the boss, and a reinforcing rib can be arranged between the surfaces of the seat body 1; in order to better limit the up-and-down movement of the screw rod 2, the through hole I is a step-shaped through hole, and the diameter of the top part is smaller than that of the bottom part.
As shown in fig. 6, the screw rod 2 is made of steel, is matched with the through hole i and is in a step shape, the top (part penetrating out of the boss) of the screw rod is provided with an external thread, the bottom of the screw rod is provided with a mooring hole 5 for a mooring joint to penetrate through, and the end head of the bottom is a jack support, namely a hemispherical bulge; the screw rod 2 sequentially penetrates through a through hole II and a through hole I which are formed in a skin of the airplane body and is fixed with the seat body 1 through a nut 3; in order to reduce the friction between the joint end face of the nut 3 and the seat body 1, a washer 4 is laid between the nut 3 and the seat body 1.
As shown in fig. 2, the extending direction of the mooring hole 5 is aligned with the extending direction of the connecting surface of the seat body 1 and the main force-bearing member of the machine body structure so as to be able to bear a larger load.
The base body is a switching structure between a main bearing component of the machine body structure and the screw rod, is arranged in the machine body and can be designed according to the appearance of the machine body; the tie-down hole on the screw and its jack support are the only connection points outside the aircraft. During assembly, the screw rod is inserted into the seat body through hole I, the stepped convex table surface on the rod body of the screw rod is attached to the stepped groove surface of the seat body through hole I, the gasket and the nut are installed, the nut is screwed up and is prevented from loosening, and finally the seat body is connected with the airplane structure. The integral structure transmits the external load to a main bearing component of the airplane body structure through the seat body 1.
The mooring hole on the screw rod is connected with the mooring rope connector when the airplane is moored, the end part of the screw rod is hemispherical, the airplane can be conveniently jacked by matching with the jack socket, and the balance of the airplane is guaranteed during jacking.
The above embodiments are only preferred embodiments of the present invention, and the structure of the seat body is not limited to the above triangular frame, but may be other more stable polygons. Any modifications and extensions made by those skilled in the art without departing from the basic structure of the present invention are within the protection scope of the present invention.
Claims (7)
1. The utility model provides a mooring joint and jack support structure on aircraft which characterized in that: comprises a connecting piece and a rod-shaped piece; the connecting piece is arranged in the machine body, the top of the connecting piece is connected with a main bearing component of the machine body structure, and the bottom of the connecting piece is provided with a through hole I for the rod-shaped piece to pass through; a through hole II opposite to the through hole I is formed in the skin of the machine body structure; one end of the rod-shaped piece penetrates through the through hole I and the through hole II to be fixed with the connecting piece, the other end of the rod-shaped piece is provided with a jack support matched with the top of the jack, and a mooring hole for allowing the mooring joint to penetrate is formed in a rod body of the rod-shaped piece; the through hole I is a step-shaped through hole, and the diameter of the top of the through hole I is smaller than that of the bottom of the through hole I.
2. The aircraft tie down joint and jack stand configuration of claim 1, wherein: the connecting piece is a triangular frame, and one surface of the connecting piece is matched with the appearance of a main bearing component of the machine body structure; the other two surfaces are matched with the shape of the machine body, and the through hole I is arranged at the included angle formed by the two surfaces.
3. The aircraft tie down joint and jack stand-off structure of claim 2, wherein: the included angle department that forms at two sides is provided with the boss, and the boss upwards extends along the center pin of connecting piece, and through-hole I sets up along the axial of boss.
4. An aircraft mooring joint and jack stand structure according to any one of claims 1-3, wherein: the rod-shaped piece is matched with the through hole I in shape, threads are arranged at the end part of the rod-shaped piece penetrating out of the boss, and the rod-shaped piece is fixed with the connecting piece through a nut.
5. The aircraft tie down joint and jack stand configuration of claim 4, wherein: and a gasket is laid between the nut and the boss.
6. The aircraft tie down joint and jack stand-off structure of claim 2, wherein: the extending direction of the tying hole is consistent with the extending direction of the connecting surface of the connecting piece and the main bearing component of the machine body structure.
7. The aircraft tie down joint and jack stand configuration of claim 1, wherein: the jack support is a hemispherical bulge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811205730.XA CN109305382B (en) | 2018-10-17 | 2018-10-17 | Mooring joint and jack support structure on airplane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811205730.XA CN109305382B (en) | 2018-10-17 | 2018-10-17 | Mooring joint and jack support structure on airplane |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109305382A CN109305382A (en) | 2019-02-05 |
| CN109305382B true CN109305382B (en) | 2022-06-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811205730.XA Active CN109305382B (en) | 2018-10-17 | 2018-10-17 | Mooring joint and jack support structure on airplane |
Country Status (1)
| Country | Link |
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| CN (1) | CN109305382B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112758331B (en) * | 2020-12-29 | 2023-07-21 | 中国航空工业集团公司西安飞机设计研究所 | Front lifting point structure of airplane |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1072494A (en) * | 1965-05-11 | 1967-06-14 | Charles Gibbs Potts | Screw-actuated lifting jacks |
| EP0457530A1 (en) * | 1990-05-15 | 1991-11-21 | MacTaggart Scott (Holdings) Ltd. | Improvements in or relating to apparatus for controlling aircraft on ships or the like |
| CN1312890A (en) * | 1998-06-18 | 2001-09-12 | 索斯科公司 | Jack-out captivated screw |
| CN103466496A (en) * | 2013-08-23 | 2013-12-25 | 中国航空工业集团公司西安飞机设计研究所 | Airplane jacking device |
| CN105109665A (en) * | 2015-09-24 | 2015-12-02 | 江西洪都航空工业集团有限责任公司 | Multi-functional wing jack pit |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN207046803U (en) * | 2017-08-02 | 2018-02-27 | 中国航空工业集团公司西安飞机设计研究所 | A kind of airframe jack top pad |
| CN207089683U (en) * | 2017-08-11 | 2018-03-13 | 精功（绍兴）复合材料有限公司 | A kind of easy unmanned plane mooring device |
-
2018
- 2018-10-17 CN CN201811205730.XA patent/CN109305382B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1072494A (en) * | 1965-05-11 | 1967-06-14 | Charles Gibbs Potts | Screw-actuated lifting jacks |
| EP0457530A1 (en) * | 1990-05-15 | 1991-11-21 | MacTaggart Scott (Holdings) Ltd. | Improvements in or relating to apparatus for controlling aircraft on ships or the like |
| CN1312890A (en) * | 1998-06-18 | 2001-09-12 | 索斯科公司 | Jack-out captivated screw |
| CN103466496A (en) * | 2013-08-23 | 2013-12-25 | 中国航空工业集团公司西安飞机设计研究所 | Airplane jacking device |
| CN105109665A (en) * | 2015-09-24 | 2015-12-02 | 江西洪都航空工业集团有限责任公司 | Multi-functional wing jack pit |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109305382A (en) | 2019-02-05 |
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