CN106482589B - A kind of stringer shell - Google Patents

A kind of stringer shell Download PDF

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Publication number
CN106482589B
CN106482589B CN201611143443.1A CN201611143443A CN106482589B CN 106482589 B CN106482589 B CN 106482589B CN 201611143443 A CN201611143443 A CN 201611143443A CN 106482589 B CN106482589 B CN 106482589B
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China
Prior art keywords
shell
stringer
covering
end frame
rivet
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CN201611143443.1A
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CN106482589A (en
Inventor
刘鹏
范新中
于贺
方泽平
牛飞
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China Academy of Launch Vehicle Technology CALT
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China Academy of Launch Vehicle Technology CALT
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42AMMUNITION; BLASTING
    • F42BEXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
    • F42B15/00Self-propelled projectiles or missiles, e.g. rockets; Guided missiles

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Combustion & Propulsion (AREA)
  • General Engineering & Computer Science (AREA)
  • Connection Of Plates (AREA)

Abstract

The present invention relates to tactical missile shell segment structure technical fields, more particularly to a kind of stringer shell includes shell and stringer, shell is rotary type, including covering and is located at covering both ends and the integrally formed end frame of covering, and stringer is connected along the axial direction of shell and the inner wall of shell.Shell of the invention is rotary structure, end frame and covering are integral structure, without prominent structure, it can be completed the process by vehicle system, shorten the process-cycle, greatly improve processing efficiency, upper and lower end frame portion position is designed according to connection size, and end frame and covering position can be completed the process using seamlessly transitting by vehicle system, processing efficiency is greatly improved, stress is reduced and concentrates.Present invention reduces assembly difficulty and intensity, effectively raise assembly efficiency.Also body structure weight is effectively reduced, improves missile performance.The geometric tolerance grade of shell is high, guarantees the aerodynamic configuration of guided missile.Shell appearance is good, without obvious splicing seam, reduces because of event occurrence rate of doing over again caused by open defect.

Description

A kind of stringer shell
Technical field
The present invention relates to tactical missile shell segment structure technical field more particularly to a kind of stringer shells.
Background technique
The common structure of tactical missile shell segment structure mainly has end frame-skin-stringer structure and grid ribs shell knot at present Structure.
End frame-skin-stringer structure is mainly used in the body structure of tactical missile weapon, and the structure is mainly by upper and lower Frame, covering, stringer, middle boxes composition are held, when assembly needs Special riveting type frame, and the machining accuracy of type frame is higher, to worker's It operates more demanding.The cylindricity of shell, the depth of parallelism of upper and lower interface are poor.
Grid ribs shell is to be disposed with triangle, diamond shape on shell covering or just set orthogonal grid structure.The structure housing Heavier-weight, processing cost is higher, and the process-cycle is longer, to machine plus Capability Requirement it is higher.
Summary of the invention
(1) technical problems to be solved
Special riveting type frame is needed when the technical problem to be solved by the present invention is to solve the assembly of existing missile case, is assembled It is complicated, it is desirable that high, low precision, and shell is heavier, the problem of process-cycle length.
(2) technical solution
In order to solve the above-mentioned technical problems, the present invention provides a kind of stringer shells, it is characterised in that: including shell and purlin Item, the shell are rotary type, including covering and are located at the covering both ends and the integrally formed end frame of the covering, the purlin Item is connect along the axial direction of the shell with the inner wall of the shell.
Wherein, the shell is equipped with rivet bottom outlet, and the rivet bottom outlet of the stringer and the shell passes through sunk head rivet Connection.
Wherein, the sunk head rivet is riveted from the shell to the stringer, and the sunk head rivet is located at the shell External surface is lower than the outer wall of the shell.
Wherein, the stringer is T font, including integrally formed wing plate and vertical plate, and the wing plate is equipped with and the riveting The through-hole of bottom outlet cooperation is followed closely, the two sides of the vertical plate are equipped with the through-hole, and the wing plate and the shell pass through the countersunk head Rivet interlacement.
Wherein, the through-hole is uniformly distributed along the length direction of the stringer, and the through-hole one of the vertical plate two sides One is corresponding.
Wherein, the both ends of the stringer are to the inclined bending segment of the enclosure interior, in the stringer and the illiteracy The realization of skin transition position is bonded with the shell.
Wherein, the end frame is equipped with plate nut on the interface that it is used to make two shell docking.
Wherein, the plate nut is riveted by rivet and the end frame.
(3) beneficial effect
Above-mentioned technical proposal of the invention has the advantages that stringer shell of the present invention is rotary structure, holds frame and illiteracy Skin is integral structure, and no prominent structure can be completed the process by vehicle system, shorten the process-cycle, greatly improve processing effect Rate, upper and lower end frame portion position are designed according to connection size, and end frame and covering position can be processed using seamlessly transitting by vehicle system At greatly improving processing efficiency, reduce stress and concentrate.Stringer main function is to provide axial support, meets shell carrying energy Power, stringer are bonded with the inner wall of shell, are transitioned into load on stringer, compared to traditional end frame-skin-stringer structure and net Lattice muscle shell structure, stringer shell of the invention is not required to Special riveting type frame, of less demanding to process equipment, the operation to worker Level requirement is not high, reduces assembly difficulty and intensity, effectively raises assembly efficiency.Case weight is low, can also effectively drop Low body structure weight improves missile performance.The geometric tolerance grade of shell is high, significantly improves shell connection size, guarantees The aerodynamic configuration of guided missile.Shell appearance is good, without obvious splicing seam, reduces because event generation of doing over again caused by open defect is general Rate.
In addition to it is described above present invention solves the technical problem that, constitute technical solution technical characteristic and have this Except advantage brought by the technical characteristic of a little technical solutions, other technical characteristics of the invention and these technical characteristic brings Advantage will be further illustrated in conjunction with attached drawing.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of stringer shell of the embodiment of the present invention;
Fig. 2 is the enlarged drawing of part A in Fig. 1;
Fig. 3 is the structural schematic diagram of the shell of stringer shell of the embodiment of the present invention;
Fig. 4 is the sectional view of the shell of stringer shell of the embodiment of the present invention;
Fig. 5 is the structural schematic diagram of the stringer of stringer shell of the embodiment of the present invention.
In figure: 1: shell;2: stringer;3: sunk head rivet;4: plate nut;11: covering;12: end frame;21: wing plate;22: Vertical plate;23: bending segment;210: through-hole.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is A part of the embodiments of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill people Member's every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected;It can To be mechanical connection, it is also possible to be electrically connected;It can be directly connected, can also can be indirectly connected through an intermediary Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood at this with concrete condition Concrete meaning in invention.
In addition, in the description of the present invention, unless otherwise indicated, " multiple ", " more ", " multiple groups " be meant that two or Two or more, " several ", " several ", " several groups " are meant that one or more.
Shown in as shown in Figure 1, Figure 3 and Figure 4, stringer shell provided in an embodiment of the present invention, including shell 1 and stringer 2, shell 1 For rotary type, including covering 11 and it is located at 11 both ends of covering and the integrally formed end frame 12 of covering 11, axis of the stringer 2 along shell 1 It is connect to direction with the inner wall of shell 1.
Stringer shell of the present invention is rotary structure, and frame and covering is held to be integral structure, and no prominent structure can pass through vehicle System completes the process, and shortens the process-cycle, greatly improves processing efficiency, and upper and lower end frame portion position is designed according to connection size, end Frame and covering position can be completed the process by vehicle system using seamlessly transitting, greatly improve processing efficiency, reduced stress and concentrated. Stringer main function is to provide axial support, meets shell bearing capacity, stringer is bonded with the inner wall of shell, allows load mistake It crosses onto stringer, is not required to specially compared to traditional end frame-skin-stringer structure and grid ribs shell structure, stringer shell of the invention It is of less demanding to process equipment with riveting type frame, it is not high to the operation level requirement of worker, assembly difficulty and intensity are reduced, Effectively raise assembly efficiency.Case weight is low, also can effectively reduce body structure weight, improves missile performance.Shell Geometric tolerance grade is high, significantly improves shell connection size, guarantees the aerodynamic configuration of guided missile.Shell appearance is good, spells without obvious Seam is reduced because of event occurrence rate of doing over again caused by open defect.
Specifically, stringer 2 and the rivet bottom outlet of shell 1 pass through countersunk head riveting as shown in Fig. 2, shell 1 is equipped with rivet bottom outlet 3 connection of nail.Stringer is bonded with inner walls, and stringer and shell are assembled using rivet interlacement, is not necessarily to special riveting type frame.Stringer with Shell using 3 sunk head rivet of Φ riveting be assembled together, by lathe on shell by rivet bottom outlet after processing is completed, operator Member can rivet stringer and shell, greatly reduce the manipulation strength and difficulty of personnel, effectively raise assembly efficiency With riveting efficiency, assembly intensity and difficulty are reduced.
Wherein, sunk head rivet 3 is riveted from shell 1 to stringer 2, and the countersunk head of sunk head rivet 3 is located at the surface outside shell 1 Lower than the outer wall of shell 1.The pier nose of sunk head rivet inside housings, countersunk head on housing exterior walls and slightly below housing exterior walls 0.1mm~0.3mm guarantees housing exterior walls smoothly without bump.
Further, as shown in figure 5, stringer 2 is T font, including integrally formed wing plate 21 and vertical plate 22, on wing plate 21 Equipped with the through-hole 210 cooperated with rivet bottom outlet, the two sides of vertical plate 22 are equipped with through-hole 210, and wing plate 21 and shell 1 pass through countersunk head riveting 3 connection of nail.Through-hole 210 is uniformly distributed along the length direction of stringer 2, and the through-hole 210 of 22 two sides of vertical plate corresponds.Stringer is cut Face is T font structure, processes 3 through-hole of Φ in the two sides of the wing plate of stringer, spacing is in 30mm~50mm.
Stringer is positioned with shell as requested, drills 3 rivet bottom outlet of Φ on shell by 3 through-hole of Φ of stringer, and The outer wall rivet bottom outlet position of shell drills 120 ° of counterbores, and counterbore size is determined by sunk head rivet, using anti-riveting technique by riveting Nail heading is produced, and is fixed stringer with shell, is successively riveted all stringers.
Wherein, the both ends of stringer 2 are the bending segment 23 to 1 inner inclination of shell, with real in stringer 2 and 11 transition position of covering Now it is bonded with shell 1.More stringers are circumferentially arranged on the inner wall of the housing, and stringer main function is provides axial branch to shell Support effect, meets shell bearing capacity.Stringer is formed using aluminum profile panel beating, is fitted closely with inner walls, stringer Both ends are machined with dog-ear, are bonded it with the transition portion of neighbouring covering with the upper and lower side frame of shell.
In addition, as shown in Fig. 2, end frame 12 is equipped with plate nut 4 on the interface that it is used to that two shells 1 to be made to dock. Plate nut 4 is riveted by rivet and end frame 12.Plate nut is disposed on the frame of end, plate nut and end frame use 3 countersunk head of Φ Rivet assembly, is connected and fixed shell with adjacent section shell.Plate nut passes through the through-hole at the frame of shell upper end Positioning, is fixed plate nut and shell by anti-riveting technique using 3 rivet of Φ.
Stringer shell of the invention is mainly used for the structure of the shells sections such as instrument room shell, attitude control cabin shell, comprehensive for installing Hop controller, posture control system, the instruments such as inertia combination.Inner walls can install instruments bracket and electric connector bracket, make shell Body has specific function, and inner walls and outer wall are without bump.The diameter of inventive shell can be 1000mm~1600mm, high Degree can be 600mm~1200mm, and the thickness of covering can be 2mm~3mm, guarantee that shell dimension control is being conducive to manufacture and carry Ability reaches in the range of job requirement.Inventive shell can arrange 16~20 stringers, root according to the size of bearing capacity Determine that the present embodiment circumferentially arranges 16 stringers on shell according to the bearing capacity of shell.
In conclusion stringer shell of the present invention is rotary structure, frame and covering is held to be integral structure, no prominent knot Structure can be completed the process by vehicle system, shorten the process-cycle, greatly improve processing efficiency, upper and lower end frame portion position is according to interface Size design, end frame and covering position can be completed the process by vehicle system using seamlessly transitting, greatly improve processing efficiency, subtracted Few stress is concentrated.Stringer main function is to provide axial support, meets shell bearing capacity, and stringer is bonded with the inner wall of shell, It is transitioned into load on stringer, compared to traditional end frame-skin-stringer structure and grid ribs shell structure, purlin of the invention Shell is not required to Special riveting type frame, of less demanding to process equipment, not high to the operation level requirement of worker, reduces assembly Difficulty and intensity, effectively raise assembly efficiency.Case weight is low, also can effectively reduce body structure weight, improves guided missile Performance.The geometric tolerance grade of shell is high, significantly improves shell connection size, guarantees the aerodynamic configuration of guided missile.Shell appearance It is good, without obvious splicing seam, reduce because of event occurrence rate of doing over again caused by open defect.
Finally, it should be noted that the above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations;Although Present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: it still may be used To modify the technical solutions described in the foregoing embodiments or equivalent replacement of some of the technical features; And these are modified or replaceed, technical solution of various embodiments of the present invention that it does not separate the essence of the corresponding technical solution spirit and Range.

Claims (5)

1. a kind of stringer shell, it is characterised in that: including shell and stringer, the shell is rotary type, including covering and is located at The covering both ends and the integrally formed end frame of the covering, axial direction and the shell of the stringer along the shell Inner wall connection;The shell is equipped with rivet bottom outlet, and the stringer is connect with the rivet bottom outlet of the shell by sunk head rivet; The sunk head rivet is riveted from the shell to the stringer, and the countersunk head of the sunk head rivet is located at the table of the hull outside Face, and it is lower than outer wall 0.1mm~0.3mm of the shell;The both ends of the stringer are to the inclined bending of the enclosure interior Section is bonded with realizing in the stringer and the covering transition position with the shell.
2. stringer shell according to claim 1, it is characterised in that: the stringer is T font, including the integrally formed wing Plate and vertical plate, the wing plate are equipped with the through-hole cooperated with the rivet bottom outlet, and the two sides of the vertical plate are equipped with the through-hole, The wing plate is connect with the shell by the sunk head rivet.
3. stringer shell according to claim 2, it is characterised in that: the through-hole is uniform along the length direction of the stringer Distribution, and the through-hole of the vertical plate two sides corresponds.
4. stringer shell according to claim 1 to 3, it is characterised in that: the end frame is used to make two at it The interface of the shell docking is equipped with plate nut.
5. stringer shell according to claim 4, it is characterised in that: the plate nut passes through rivet and the end frame riveting It connects.
CN201611143443.1A 2016-12-13 2016-12-13 A kind of stringer shell Active CN106482589B (en)

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Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108569422B (en) * 2018-02-11 2022-11-01 浙江兆华机械制造有限公司 Rocket sectional structure
CN113091527A (en) * 2021-04-28 2021-07-09 北京星途探索科技有限公司 Covering purlin strip type shell structure
CN113899256B (en) * 2021-09-24 2023-04-25 湖北航天技术研究院总体设计所 Compact environment solid attitude control mounting structure, method and rocket
CN114061379B (en) * 2021-11-16 2023-07-14 天津爱思达新材料科技有限公司 Front cabin T-shaped frame reinforcing structure

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CN102372094A (en) * 2010-08-17 2012-03-14 上海卫星工程研究所 Shell type adapter
CN103072704A (en) * 2011-10-26 2013-05-01 上海卫星工程研究所 Aluminum alloy riveted bearing cylinder for installing 200L propellant storage box
CN102490910A (en) * 2011-11-15 2012-06-13 上海卫星工程研究所 Composite sandwich-structured bearing cylinder for spacecrafts
CN103448919A (en) * 2013-08-08 2013-12-18 上海卫星工程研究所 Carbon-fiber skin and stringer reinforced bearing cylinder for satellite structure
CN104589663B (en) * 2014-11-26 2017-05-03 上海复合材料科技有限公司 Forming method for latticed composite material bearing cylinder applicable to satellite

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