CN108357661B - Full-surrounding type nose cone device - Google Patents
Full-surrounding type nose cone device Download PDFInfo
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- CN108357661B CN108357661B CN201810145574.6A CN201810145574A CN108357661B CN 108357661 B CN108357661 B CN 108357661B CN 201810145574 A CN201810145574 A CN 201810145574A CN 108357661 B CN108357661 B CN 108357661B
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- connecting plate
- nose cone
- inclined strut
- stay
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64B—LIGHTER-THAN AIR AIRCRAFT
- B64B1/00—Lighter-than-air aircraft
- B64B1/06—Rigid airships; Semi-rigid airships
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64B—LIGHTER-THAN AIR AIRCRAFT
- B64B1/00—Lighter-than-air aircraft
- B64B1/66—Mooring attachments
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Abstract
The invention discloses a full-surrounding type nose cone device which comprises a mandrel component, a circular ring, a plurality of stay cables and a plurality of inclined strut frameworks; the plurality of stay cables are uniformly arranged, the integral shape of the stay cables is an umbrella-shaped divergent structure, and the stay cables are of a flexible connection structure; the plurality of inclined strut frameworks are uniformly arranged, and the integral shape is an umbrella-shaped divergent structure; the inclined strut framework is formed by combining and riveting plate-type materials. The invention has the beneficial effects that: (1) the nose cone framework adopts a web plate type riveting structure, so that the lightweight design of the nose cone structure is realized, and concentrated loads can be uniformly diffused to the yacht head; (2) and by combining the flexible characteristics of the stay cables, the pull force in the horizontal direction can be transmitted, and the lateral force can be borne, so that the hard truss structure head-cone stringer is prevented from twisting around the boat bag, the surface stress concentration of the boat body is reduced, and the deformation of the prow fold is reduced.
Description
Technical Field
The invention relates to the technical field of airships, in particular to a full-surrounding type nose cone device.
Background
The airship is an aircraft lighter than air, depends on static lift force to stay in the air, realizes long-time fixed-point hovering and low-speed maneuvering flight, and has the advantages of high flying height, large coverage area, strong information acquisition and transmission capability, rapid arrangement and transfer and the like. A fully-enclosed nose cone device for an airship is mainly used for being connected with a ground anchoring device when the aerodynamic shape of the head of a hull and the ground mooring are maintained in the flying process.
The nose cone is a main part of the mooring airship and is positioned at the front end of the capsule body, and the nose cone has the main functions of meeting the requirements of airship traction and ground mooring and uniformly transmitting concentrated loads during traction and ground mooring to the capsule body; another aspect is to maintain the shape of the airship head.
Existing 300m3～4500m3The airship nose cone product suffers from several problems:
(1) when the airship product is tied on the ground, a hard structure is adopted for connection, and adverse effects caused by pitching and rotating of the airship product are ignored;
(2) the nose cone structure and the hull of the yacht head are connected by a long-curve hard truss structure extending backwards along the longitudinal direction of the yacht bag, so that the weight of the airship is increased and the performance of the airship is affected although the load dispersing capacity can be improved to a certain degree.
(3) Although the longitudinal continuity of the prow can be ensured by the traditional head-cone hard truss structure, the deformation caused by transverse reaction force during cruise resistance and ground anchoring causes one side of the truss structure to be compressed and the other side to be stretched, meanwhile, the stringer surrounds the boat bag to cause self torsion, so that the tail end of the stringer penetrates into the boat bag, and wrinkles occur at the corresponding position.
Disclosure of Invention
The invention aims to solve the technical problem of providing a full-surrounding type nose cone device which can be flexibly connected in a compensation way and can be used for adjusting the stress in the cruising resistance and ground anchoring process in time, so that the wrinkle deformation of a prow is effectively reduced.
The invention solves the technical problems through the following technical scheme: the invention comprises a mandrel component, a circular ring, a plurality of stay cables and a plurality of inclined strut frameworks; the plurality of stay cables are uniformly arranged and are in an umbrella-shaped divergent structure in an integral form, one end of each stay cable is connected to the mandrel component, the other end of each stay cable is connected to the airship bag body, and each stay cable is in a flexible connection structure;
the inclined strut frameworks are uniformly arranged, are in an umbrella-shaped divergent structure in an integral shape and are attached to the front end of an airship bag body, one end of each inclined strut framework is fixed to the mandrel component, the other end of each inclined strut framework is fixed to the circular ring, and the integral structure formed by the inclined cables is surrounded on the outer side of the integral structure formed by the inclined strut frameworks;
the inclined strut framework is formed by combining, fixing and connecting plate-type materials.
Preferably, the mandrel component comprises a mooring joint, a first connecting plate, a plurality of middle supporting plates, a second connecting plate and a plurality of stay cable connecting lugs; the mooring joint is of a hollow cylindrical tubular structure, a limiting portion is arranged at the top end of the mooring joint, a second connecting plate is welded at the bottom end of the mooring joint, the top surface of the second connecting plate is welded to the bottom surface of a middle supporting plate, the top surface of the middle supporting plate is welded to the bottom surface of a first connecting plate, a plurality of middle supporting plates are evenly welded between the first connecting plate and the second connecting plate in an upright mode, and a plurality of stay cable connecting lug pieces are evenly welded to the outer circumferential surface of the mooring joint and located between the first connecting plate and a.
Preferably, the middle part fagging is eight, and even interval is fixed on the mooring joint excircle, and the suspension cable is eight, and even interval sets up between per two middle part faggings, first connecting plate and second connecting plate are loudspeaker column structure, and a U type breach is seted up for the middle part to the middle part fagging, the U type spare that the auricle is integrated into one piece is connected to the cable, including two risers and a bottom plate, and the bottom plate welding all sets up the mounting hole that is used for installing the suspension cable on two risers on the mooring joint periphery.
Preferably, the rings are of a splicing structure and comprise two semicircular rings and two ring joints, one ends of the two semicircular rings are riveted together by one ring joint, and the other ends of the two semicircular rings are riveted together by the other ring joint.
Preferably, the stay cable is woven by a high-strength rope, two ends of the stay cable are woven into an annular structure, one end of the stay cable is fixedly connected with the stay cable connecting lug by utilizing the mounting hole, and the other end of the stay cable is fixedly connected with the airship bag body.
Preferably, still including being used for strengthening the enhancement fillet of bracing skeleton and ring junction stability, fix in bracing skeleton and ring junction, be integrated into one piece's U type structure.
Preferably, the inclined strut framework is formed by combining and riveting thin-wall aluminum alloy materials and comprises an upper left side part, an upper right side part, a connecting plate and a bottom part; go up left side spare and last right side spare and be L type structure, go up left side spare and fix in connecting plate upper portion left side, go up right side spare and fix on connecting plate upper portion right side, and go up left side spare and last right side spare and align the setting back to back, the end spare is L type structure, fixes on connecting piece bottom right side, the connecting plate is trapezoidal plate or triangle-shaped platelike structure, goes up the one end welding that left side spare and end spare are close to on the ring, and the other end welding is on dabber subassembly.
Preferably, the inclined strut framework further comprises a first reinforcing rib, a second reinforcing rib and a third reinforcing rib, the first reinforcing rib and the second reinforcing rib are respectively fixed at the 1/4-1/3 position and the 1/2-2/3 position of the inclined strut framework, and the third reinforcing rib is fixed at the root part of one end, close to the bottom piece, of the upper left piece.
Preferably, the first reinforcing rib and the second reinforcing rib are both of an L-shaped structure, and the third reinforcing rib is of a plate-shaped structure.
Compared with the prior art, the invention has the following advantages:
(1) the head cone structure is designed in a generalized mode. The invention is applicable to 300m3～4500m3The airship is used.
(2) The lightweight design of nose cone structure. The long curve shape has been cancelled to the nose cone for the airship, along the hard truss structure of boat bag longitudinal direction backward extension, adopts aviation web plate formula riveted structure form, can effectively reduce nose cone structure weight, and more traditional aluminum alloy member welded structure, weight reduces nearly 7%, and this nose cone structure front portion is stronger, and the rear portion is more weak, for umbrella type structure, can evenly spread concentrated load to the prow.
(3) Effectively keep hull aerodynamic configuration, promote the anti fold ability of the prow. For when avoiding resistance and ground anchor of cruising, the airship prow that the horizontal reaction force of head awl and cause warp and stress concentration, cancel the hard formula truss structure of traditional airship head awl, novel head awl adopts web plate formula riveting skeleton texture and flexible cable structural style, not only can transmit horizontal direction pulling force still can bear the yawing force, has avoided hard formula truss structure head awl stringer to twist reverse around ship bag self, reduces hull surface stress concentration simultaneously, reduces prow fold and warp.
Drawings
FIG. 1 is a schematic view of a fully enclosed nose cone apparatus according to the present invention;
FIG. 2 is a schematic view of a mandrel assembly of the present invention;
FIG. 3 is a schematic view of the ring structure of the present invention;
FIG. 4 is a schematic structural view of a stay cable according to the present invention;
FIG. 5 is a schematic view of a reinforcing gusset of the present invention;
fig. 6 is a schematic view of the structure of the diagonal brace framework of the invention.
Number in the figure: the core shaft component 1, the mooring joint 11, the limiting part 111, the top connecting plate 12, the middle supporting plate 13, the bottom connecting plate 14, the stay cable connecting lug 15,
A circular ring 2, a semicircular ring 21, a circular ring joint 22, a stay cable 3, a reinforcing angle piece 4,
The bracing frame 5, the upper left side piece 51, the upper right side piece 52, the connecting plate 53, the bottom piece 54, the first reinforcing rib 55, the second reinforcing rib 56 and the third reinforcing rib 57.
Detailed Description
The following examples are given for the detailed implementation and specific operation of the present invention, but the scope of the present invention is not limited to the following examples.
As shown in fig. 1, the fully-enclosed nose cone device for an airship in the present embodiment includes a mandrel assembly 1, a circular ring 2, a plurality of stay cables 3, and a plurality of bracing frames 5; the mandrel component 1 is a combined type all-around type nose cone device central framework for the airship and is of an integrated welding structure, a plurality of inclined cables 3 are uniformly arranged and are of an umbrella-shaped divergent structure in the integral shape, one ends of the inclined cables 3 are connected to the mandrel component 1, the other ends of the inclined cables 3 are connected to an airship bag body, and the inclined cables 3 are of flexible connection structures, so that the mandrel component 1 and the airship bag body are flexibly connected, and the surface stress concentration of the airship body is reduced;
a plurality of bracing skeletons 5 evenly set up, and whole form is umbelliform divergent structure to laminate with airship utricule front end, 5 one end of a plurality of bracing skeletons are all fixed at dabber subassembly 1, and the other end is all fixed on ring 2, and the overall structure that a plurality of suspension cables 3 formed surrounds the overall structure outside that forms at a plurality of bracing skeletons 5, bracing skeleton 5 makes up fixed connection for board-like material and forms.
As shown in fig. 2, the mandrel assembly 1 includes a captive joint 11, a first connecting plate 12, a plurality of middle supporting plates 13, a second connecting plate 14, and a plurality of cable connecting lugs 15; the mooring joint 11 is a hollow cylindrical tubular structure, the top end of the mooring joint is provided with a limiting part 111, the limiting part is provided with several structures, and can be a structure of a limiting groove as shown in the figure, the limiting groove is formed by arranging two annular bulges with diameters larger than that of the mooring joint 11 at intervals, a circle of groove can also be directly pressed out of the end part of the mooring joint by using a die, the groove is used for being positioned and locked with a ground mooring device, the bottom end of the groove is welded with a second connecting plate 14, the top surface of the second connecting plate 14 is welded with the bottom surface of a middle supporting plate 13, the top surface of the middle supporting plate 13 is welded with the bottom surface of a first connecting plate 12, the middle supporting plates 13 are evenly and vertically welded between the first connecting plate 12 and the second connecting plate 14, and a plurality of cable connecting lug plates 15 are evenly welded on the outer circumferential surface of.
The utility model discloses a take out the structure of the central part fagging, including mooring joint 11 excircle, stay cable 3, middle part fagging 13 is eight, and even interval sets up between per two middle part fagging 13, first connecting plate 12 and second connecting plate 14 are loudspeaker column structure, and its angle of opening suits with the whole angle of opening of a full enclosed nose cone device for the airship, and middle part fagging 13 is offered a U type breach for the middle part, is in order to increase the welding seam, stay cable connection auricle 15 is integrated into one piece's U type spare, includes two risers and a bottom plate, and the bottom plate welding is on mooring joint 11 periphery, all offers the mounting hole that is used for installing stay cable 3 on two risers, and stay cable connection auricle is not only limited to this structure, can also set up to C type structure, directly welds on dabber subassembly 1.
As shown in fig. 3, the circular rings 2 are a splicing structure and are spliced by the semicircular rings 21 or spliced by a plurality of circular arcs, the splicing structure shown in fig. 3 includes two semicircular rings 21 and two circular ring joints 22, one ends of the two semicircular rings 21 are riveted together by one circular ring joint 22, and the other ends of the two semicircular rings 21 are riveted together by the other circular ring joint 22, so that the circular rings 2 are integrated. The semicircular ring 21 is formed by bending an aluminum alloy pipe.
As shown in fig. 4, the stay cable 3 is formed by weaving high-strength ropes, two ends of the stay cable are woven into annular structures, which can be in a shape of a heart ring, and then are fastened by a hoop, one end of the stay cable is fixedly connected with the stay cable connecting lug 15 by using the mounting hole, and the other end of the stay cable is fixedly connected with the airship envelope.
As shown in fig. 5, the invention further comprises a reinforcing angle piece 4 for reinforcing the stability of the joint of the inclined strut framework and the circular ring, the reinforcing angle piece is fixed at the joint of the inclined strut framework 5 and the circular ring, is an integrally formed U-shaped piece, and can be connected and fixed in a bolt connection and riveting combination mode.
As shown in fig. 6, the inclined strut frame 5 is formed by combining, riveting or/and welding thin-wall aluminum alloy materials, the plate is an aluminum alloy section, the weight is light, and the inclined strut frame 5 comprises an upper left part 51, an upper right part 52, a connecting plate 53 and a bottom part 54; the upper left piece 51 and the upper right piece 52 are both L-shaped angle aluminum profiles, the upper left piece 51 is fixed on the left side of the upper part of the connecting plate 53, the upper right piece 52 is fixed on the right side of the upper part of the connecting plate 53, the upper left piece 51 and the upper right piece 52 are arranged in a back-to-back alignment mode, and the wall thickness of each angle aluminum profile is 2-4 mm; the connecting plate 53 is used for transition connection of the upper left side piece 51, the upper right side piece 52 and the bottom piece 54, and can enhance the rigidity of the inclined strut frame 5, the bottom piece is an angle aluminum section bar with an L-shaped structure, the wall thickness is 2 mm-4 mm, the bottom piece is fixed on the right side of the bottom of the connecting piece 53 and is used for connecting and fixing the bottom of the inclined strut frame 5, the connecting plate 53 is of a trapezoidal plate or triangular plate-shaped structure, so that the upper left side piece 51, the upper right side piece 52 and the bottom piece 54 are gradually close to each other by being far away, one end of the upper left side piece 51 close to the bottom piece 54 is welded on the circular ring 2, and.
The inclined strut framework 5 further comprises a first reinforcing rib 55, a second reinforcing rib 56 and a third reinforcing rib 57, the first reinforcing rib 55 and the second reinforcing rib 56 are respectively fixed at 1/4-1/3 and 1/2-2/3 of the inclined strut framework 5, preferably 1/3 and 2/3, and the first reinforcing rib 55 and the second reinforcing rib 56 are both L-shaped angle aluminum profiles and are used for reinforcing, connecting and fixing the middle part of the inclined strut framework 5 and preventing the inclined strut framework from deforming and twisting; the third reinforcing rib 57 is fixed at the root of one end of the upper left part 51 close to the bottom part 54, the third reinforcing rib 57 is of a plate-shaped aluminum alloy structure, the wall thickness of the third reinforcing rib is 2 mm-4 mm, and the third reinforcing rib is used for reinforcing, connecting and fixing the root of the inclined strut framework 5.
When the nose cone is used, the nose cone framework adopts an aviation web plate type riveting structure, so that the lightweight design of the nose cone structure is realized, the front part of the nose cone is stronger, the rear part of the nose cone is weaker, the nose cone is of an umbrella-shaped structure, and meanwhile, concentrated loads can be uniformly diffused to the head end of the airship; in addition, the flexible characteristic of the stay cable 3 is combined, so that the horizontal pulling force can be transmitted, and the lateral force can be borne, the hard truss structure head cone stringer is prevented from twisting around the boat bag in the prior art, the stress concentration on the surface of the boat body is reduced, and the deformation of the prow fold is reduced.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (8)
1. A full-surrounding type nose cone device is characterized by comprising a mandrel component, a circular ring, a plurality of stay cables and a plurality of inclined strut frameworks; the inclined cables are uniformly distributed and are in an umbrella-shaped divergent structure in the integral shape, one end of each inclined cable is connected to the mandrel component, the other end of each inclined cable is connected to the airship bag body, and each inclined cable is in a flexible connection structure;
the inclined strut frameworks are uniformly arranged, are in an umbrella-shaped divergent structure in an integral shape and are attached to the front end of an airship bag body, one end of each inclined strut framework is fixed to the mandrel component, the other end of each inclined strut framework is fixed to the circular ring, and the integral structure formed by the inclined cables is surrounded on the outer side of the integral structure formed by the inclined strut frameworks;
the inclined strut framework is formed by combining and fixedly connecting plate-type materials; the inclined strut framework is formed by combining and riveting thin-wall aluminum alloy materials and comprises an upper left side piece, an upper right side piece, a connecting plate and a bottom piece; go up left side spare and last right side spare and be L type structure, go up left side spare and fix in connecting plate upper portion left side, go up right side spare and fix on connecting plate upper portion right side, and go up left side spare and last right side spare and align the setting back to back, the end spare is L type structure, fixes on connecting piece bottom right side, the connecting plate is trapezoidal plate or triangle-shaped platelike structure, goes up the one end welding that left side spare and end spare are close to on the ring, and the other end welding is on dabber subassembly.
2. The fully-enclosed nose cone device according to claim 1, wherein the mandrel assembly comprises a captive joint, a first connecting plate, a plurality of middle bracing plates, a second connecting plate, a plurality of cable connecting lugs; the mooring joint is of a hollow cylindrical tubular structure, a limiting portion is arranged at the top end of the mooring joint, a second connecting plate is welded at the bottom end of the mooring joint, the top surface of the second connecting plate is welded to the bottom surface of a middle supporting plate, the top surface of the middle supporting plate is welded to the bottom surface of a first connecting plate, a plurality of middle supporting plates are evenly welded between the first connecting plate and the second connecting plate in an upright mode, and a plurality of stay cable connecting lug pieces are evenly welded to the outer circumferential surface of the mooring joint and located between the first connecting plate and a.
3. The all-around nose cone device according to claim 2, wherein the number of the middle supporting plates is eight, the middle supporting plates are fixed on the outer circle of the mooring joint at uniform intervals, the number of the stay cables is eight, the stay cables are arranged between every two middle supporting plates at uniform intervals, the first connecting plate and the second connecting plate are both in a horn-shaped structure, a U-shaped notch is formed in the middle of each middle supporting plate, the stay cable connecting lug is an integrally formed U-shaped piece and comprises two vertical plates and a bottom plate, the bottom plate is welded on the circumferential surface of the mooring joint, and mounting holes for mounting the stay cables are formed in the two vertical plates.
4. The fully-enclosed nose cone device according to claim 1, wherein the circular rings are of a splicing structure and comprise two semicircular rings and two circular ring joints, one ends of the two semicircular rings are riveted together by one circular ring joint, and the other ends of the two semicircular rings are riveted together by the other circular ring joint.
5. The fully-enclosed nose cone device according to claim 3, wherein the stay cable is woven by high-strength ropes, two ends of the stay cable are woven into an annular structure, one end of the stay cable is fixedly connected with the stay cable connecting lug by using the mounting hole, and the other end of the stay cable is fixedly connected with the airship envelope.
6. The fully-enclosed nose cone device according to claim 1, further comprising a reinforcing angle piece for reinforcing the stability of the connection between the inclined strut framework and the circular ring, wherein the reinforcing angle piece is fixed at the connection between the inclined strut framework and the circular ring and is of an integrally-formed U-shaped structure.
7. The fully-enclosed nose cone assembly as claimed in claim 1, wherein the bracing frame further comprises a first rib, a second rib and a third rib, the first rib and the second rib are respectively fixed at 1/4-1/3 and 1/2-2/3 of the bracing frame, and the third rib is fixed at the root of the end of the upper left member close to the bottom member.
8. The fully-enclosed nose cone device according to claim 7, wherein the first and second reinforcing ribs are both L-shaped, and the third reinforcing rib is plate-shaped.
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| CN201810145574.6A CN108357661B (en) | 2018-02-12 | 2018-02-12 | Full-surrounding type nose cone device |
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| CN201810145574.6A CN108357661B (en) | 2018-02-12 | 2018-02-12 | Full-surrounding type nose cone device |
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| CN108357661A CN108357661A (en) | 2018-08-03 |
| CN108357661B true CN108357661B (en) | 2021-07-09 |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110588946A (en) * | 2019-09-19 | 2019-12-20 | 中国电子科技集团公司第三十八研究所 | Mooring balloon head mooring device |
| CN110723270B (en) * | 2019-10-10 | 2022-07-12 | 上海交通大学 | Stratospheric airship with large-scale rigid-flexible integrated structure |
| CN111746772B (en) * | 2020-07-02 | 2022-07-19 | 上海交通大学 | Rigid-flexible integrated airship nose cone |
| CN112429191B (en) * | 2020-11-20 | 2022-06-17 | 中国科学院空天信息创新研究院 | Nose tower end structure, nose tower subassembly and captive balloon of captive balloon anchor mooring facility |
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| CN201350971Y (en) * | 2008-12-27 | 2009-11-25 | 中国特种飞行器研究所 | Tethered balloon nose cone stay device |
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| CN107010193A (en) * | 2017-03-24 | 2017-08-04 | 中国电子科技集团公司第三十八研究所 | A kind of nose cone device being tethered at for aerostatics head with anticollision |
| CN206466154U (en) * | 2017-01-20 | 2017-09-05 | 深圳光启空间技术有限公司 | Nose cone structure and the dirigible with it |
| CN206579831U (en) * | 2017-03-03 | 2017-10-24 | 深圳光启空间技术有限公司 | Nose cone structure and the dirigible with it |
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| US5429325A (en) * | 1993-09-28 | 1995-07-04 | Tcom, L. P. | Lightweight nose cone assembly |
| CN201350971Y (en) * | 2008-12-27 | 2009-11-25 | 中国特种飞行器研究所 | Tethered balloon nose cone stay device |
| CN206288224U (en) * | 2016-12-21 | 2017-06-30 | 东莞前沿技术研究院 | Aerostat nose cone and dirigible |
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