CN113970277A - Front end rear flange reinforcing structure - Google Patents

Front end rear flange reinforcing structure Download PDF

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Publication number
CN113970277A
CN113970277A CN202111354175.9A CN202111354175A CN113970277A CN 113970277 A CN113970277 A CN 113970277A CN 202111354175 A CN202111354175 A CN 202111354175A CN 113970277 A CN113970277 A CN 113970277A
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CN
China
Prior art keywords
support plate
reinforcing
rear flange
structure according
shell
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202111354175.9A
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Chinese (zh)
Inventor
张毅
季宝锋
安梦雷
刘振
孙秋迎
要锦伟
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Tianjin Aisida New Material Technology Co ltd
Original Assignee
Tianjin Aisida New Material Technology Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by Tianjin Aisida New Material Technology Co ltd filed Critical Tianjin Aisida New Material Technology Co ltd
Priority to CN202111354175.9A priority Critical patent/CN113970277A/en
Publication of CN113970277A publication Critical patent/CN113970277A/en
Pending legal-status Critical Current

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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42AMMUNITION; BLASTING
    • F42BEXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
    • F42B12/00Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material
    • F42B12/72Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material characterised by the material
    • F42B12/76Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material characterised by the material of the casing

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • General Engineering & Computer Science (AREA)
  • Casings For Electric Apparatus (AREA)

Abstract

The invention provides a front end head rear flange reinforcing structure which comprises an external front end head shell and an internal reinforcing rib; the front end shell is made of an aluminum alloy material, and the reinforcing ribs are made of a carbon fiber composite material; the reinforcing rib is connected with the inner side surface of the front end shell; the shape of the reinforcing rib is D-shaped which is matched with the inner side surface of the front end shell. The front end shell is made of aluminum alloy materials, the reinforcing ribs are made of carbon fiber composite materials, and the front end shell and the reinforcing ribs are separately designed, so that the front end shell is convenient to mount, and the internal supporting force is improved; the reinforcing ribs are light in weight, so that the weight is reduced; the shape of strengthening rib is D font structure, the medial surface of better adaptation front end casing, ensures that inside equipment fixing is firm.

Description

Front end rear flange reinforcing structure
Technical Field
The invention belongs to the technical field of missile shell supporting structures, and particularly relates to a front end head rear flange reinforcing structure.
Background
The missile body is a missile integral structure which is formed by connecting and combining a missile shell, a pneumatic surface, a missile upper mechanism and some parts and has a good pneumatic appearance. Wherein the missile casing is used for protecting the structure inside the missile body. In the prior art, a front end shell of a missile shell is made of an aluminum alloy material, an annular rib is arranged inside the missile shell and also made of an aluminum alloy material, and an integrally formed structure is adopted between the front end shell and the annular rib so as to improve the stability of an internal supporting structure of the whole missile shell.
However, the front end shell is made of aluminum alloy materials, and is integrally formed with the annular ribs of the aluminum alloy materials, so that the front end shell is large in volume and heavy in weight; the structural design of annular muscle is simple, and the inside equipment of front end casing is connected insecurely, leads to the holding power of annular muscle poor, and holistic support intensity is low, has the potential safety hazard.
Disclosure of Invention
In view of the above, the invention aims to provide a front end head rear flange reinforcing structure to solve the problems that in the prior art, a front end head shell and an annular rib are both made of aluminum alloy materials, and are integrally formed, so that the whole weight is heavy; the structural design of annular muscle is simple, leads to the inside equipment of front end casing to connect insecurely, and holistic support intensity is low technical problem.
In order to achieve the purpose, the technical scheme of the invention is realized as follows:
a front end head rear flange reinforcing structure comprises an external front end head shell and an internal reinforcing rib;
the front end shell is made of an aluminum alloy material, and the reinforcing ribs are made of a carbon fiber composite material;
the reinforcing rib is connected with the inner side surface of the front end shell; the shape of the reinforcing rib is D-shaped which is matched with the inner side surface of the front end shell.
Furthermore, the section of the reinforcing rib is T-shaped;
the reinforcing rib comprises a bottom supporting plate and a side supporting plate; the outer side surface of the bottom supporting plate is connected with the inner side surface of the front end shell; the side supporting plate is vertically connected with the middle position of the inner side surface of the bottom supporting plate, so that the bottom supporting plate is divided into a front supporting plate and a rear supporting plate.
Further, the bottom support plate comprises a plane section and an arc surface section;
the connection position of the plane section and the cambered surface section is an arc transition surface.
Furthermore, an avoidance groove is arranged at the outer side end face of the plane section.
Furthermore, the reinforcing ribs are also provided with reinforcing corner blocks;
one vertical side edge of the reinforcing corner block is connected to the bottom supporting plate, and the other vertical side edge of the reinforcing corner block is connected to the side supporting plate.
Furthermore, the number of the reinforcing corner blocks is multiple, and the reinforcing corner blocks are respectively arranged on two sides of the side supporting plate and are respectively connected with the front supporting plate and the rear supporting plate.
Furthermore, the front side surface of the side support plate is provided with an equipment installation groove.
Furthermore, a positioning hole is formed in the rear side face of the side support plate, and a positioning boss is formed at the tail end of the positioning hole on the front side face of the side support plate.
Furthermore, a plurality of mounting holes are formed in the rear side face of the side support plate.
Furthermore, the outer side surface of the bottom supporting plate is provided with an uneven corrugated section.
Compared with the prior art, the front end and rear flange reinforcing structure has the following advantages:
according to the front end head rear flange reinforcing structure, the front end head shell is made of the aluminum alloy material, the reinforcing ribs are made of the carbon fiber composite material, and the reinforcing ribs and the front end head shell are made of different materials, so that on one hand, the reinforcing ribs can be better combined and fixed, and on the other hand, the reinforcing ribs are light in weight, and the weight of internal support is reduced; the front end shell and the reinforcing ribs are separately designed, so that the internal supporting force of the front end shell is improved, and the front end shell is convenient to mount and dismount; the external shape of strengthening rib adopts the structure of D font, and the inside of head casing before better cooperation ensures that the equipment fixing of casing inside is firm.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate an embodiment of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic illustration of a reinforcing bar in an embodiment of the present invention;
FIG. 2 is a schematic view of the front side of a reinforcing bar in an embodiment of the invention;
FIG. 3 is a schematic view of the rear side of a reinforcing bar in an embodiment of the invention;
FIG. 4 is a left side view of a reinforcing bar in an embodiment of the present invention;
FIG. 5 is a front view of a reinforcing bar in an embodiment of the present invention;
fig. 6 is a rear view of a reinforcing bar in an embodiment of the present invention.
Description of reference numerals:
100-reinforcing ribs; 101-a bottom support plate;
102-side plate; 103-a front support plate;
104-a rear support plate; 105-a planar section;
106-arc surface section; 107-avoidance slots;
108-reinforcing corner blocks; 109-equipment mounting groove;
110-positioning holes; 111-positioning the boss;
112-mounting holes.
Detailed Description
It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.
As shown in fig. 1 to 6, the reinforcing structure for the front end head rear flange provided by the present invention includes an external front end head housing and an internal reinforcing rib 100;
the front end shell is made of an aluminum alloy material, and the reinforcing ribs 100 are made of a carbon fiber composite material;
the reinforcing ribs 100 are connected to the inner side surface of the front end shell; the shape of the stiffener 100 is a D-shape adapted to the inner side of the front end housing.
Specifically, referring to fig. 1, the front end shell is made of an aluminum alloy material, so that the supporting force outside the front end shell is improved. The reinforcing ribs 100 are made of carbon fiber composite materials, and the supporting force inside the front end head is improved. The front end shell and the reinforcing ribs 100 are separately designed, so that the installation and the disassembly are convenient. The strengthening rib 100 adopts carbon-fibre composite to make, compares among the prior art, and annular muscle adopts the material preparation of aluminum alloy, and the strengthening rib 100 light in weight of this application has alleviateed the inside weight of front end casing.
In other embodiments, the front end shell can also be made of carbon fiber composite materials, so that the overall weight is reduced.
Referring to fig. 5 and 6, the reinforcing rib 100 is D-shaped so as to be attached and fixed to the inner side surface of the front end housing, and better fit the internal structure of the front end housing, thereby ensuring that the installation position of the equipment inside the housing is firm.
Further, the section of the reinforcing rib 100 is in a T shape;
the stiffener 100 includes a bottom support plate 101 and side support plates 102; the outer side surface of the bottom supporting plate 101 is connected with the inner side surface of the front end shell; the side stay 102 is vertically connected to the middle portion of the inner side surface of the bottom support plate 101, and divides the bottom support plate 101 into a front support plate 103 and a rear support plate 104.
Specifically, referring to fig. 1, 2, and 3, the bottom support plate 101 serves as a bottom mounting plate and is attached and fixed to the inner surface of the front end housing. The side support plate 102 is vertically connected to the middle position of the inner side surface of the bottom support plate 101, and the support force of the middle position of the bottom support plate 101 is improved by the side support plate 102, so that the whole bottom support plate 101 is firmly attached to the inner side surface of the front end shell.
Referring to fig. 1, the side support plate 102 divides the bottom support plate 101 into a front support plate 103 and a rear support plate 104, so that the front and rear portions of the bottom support plate 101 have the same area and the same supporting force, thereby better connecting the devices inside the front end housing.
Further, the bottom support plate 101 includes a planar section 105 and an arc section 106;
the connecting position of the plane section 105 and the arc section 106 is an arc transition surface.
Specifically, referring to fig. 5, the flat section 105 is a flat notch formed in the left side surface of the reinforcing rib 100, and the flat section 105 is directly attached to the inner side surface of the front end housing, so that the internal device is mounted in the notch, thereby securing a firm mounting position of the internal device. And the design of the planar section 105 also prevents the entire bar 100 from rotating, ensuring a secure mounting position for the bar 100.
The cambered surface section 106 is directly attached and fixed on the inner side surface of the front end shell and is matched with the inner side surface structure of the front end shell.
An arc transition surface is formed at the position where the plane section 105 is connected with the arc section 106, so that the arc transition surface is convenient to attach to the inner side surface of the front end shell, the inner structure cannot be scraped during installation, and the disassembly is convenient.
Further, an escape groove 107 is provided at an outboard end face of the planar section 105.
Specifically, referring to fig. 1, a plane section 105 is disposed at a left side position of the reinforcing rib 100, an avoiding groove 107 is disposed at a middle position of an outer end face of the plane section 105, the avoiding groove 107 is an arc-shaped groove which is recessed inwards, and other shapes may be set according to the structure of the internal device, for example: triangular grooves, square grooves, etc.
By means of the design of the avoiding groove 107, internal equipment can be better avoided, the internal equipment is protected, and the internal equipment is prevented from being damaged during installation.
Further, the reinforcing rib 100 is also provided with a reinforcing corner block 108;
one vertical side of the corner reinforcing block 108 is attached to the bottom support plate 101 and the other vertical side of the corner reinforcing block 108 is attached to the side support plate 102.
Specifically, referring to fig. 1, the reinforcing corner block 108 is a vertical triangular plate structure, one vertical side of which is vertically connected to the bottom support plate 101, and the other vertical side of which is vertically connected to the side surface of the side support plate 102, and the supporting force of the side support plate 102 is increased by the reinforcing corner block 108.
Further, the number of the reinforcing corner blocks 108 is plural, and the reinforcing corner blocks 108 are respectively disposed at both sides of the side support plate 102 and are respectively connected to the front support plate 103 and the rear support plate 104.
Specifically, referring to fig. 1, a plurality of reinforcing corner blocks 108 are provided on both left and right sides of the side support plate 102, respectively, and the design of the plurality of reinforcing corner blocks 108 improves the supporting force on both left and right sides of the side support plate 102, and also improves the supporting force of the front support plate 103 and the rear support plate 104.
The reinforcing angle block 108 is made of carbon fiber composite material, so that the weight of the whole reinforcing rib 100 is reduced, and the supporting force of the reinforcing rib 100 can be improved.
Further, an equipment mounting groove 109 is formed on the front side surface of the side support plate 102.
Specifically, referring to fig. 2, the shape of the device installation slot 109 may be square, trapezoidal, or irregular, and any one of the above shapes is selected to be matched according to the shape of the device inside the housing, so as to ensure that the device installation position is firm.
Further, the rear side surface of the side branch plate 102 is provided with a positioning hole 110, and the end of the positioning hole 110 forms a positioning boss 111 on the front side surface of the side branch plate 102.
Specifically, referring to fig. 2 and 3, the positioning hole 110 is a threaded through hole formed in the rear side surface of the side support plate 102 to facilitate installation of a device on the side support plate 102 by a bolt passing through the threaded through hole.
The positioning boss 111 is a columnar protrusion formed on the front side surface of the side supporting plate 102, and the arrangement of the protrusion structure can seal the tail end position of a bolt and avoid the tail end of the bolt from rotating, and on the other hand, the protrusion structure protects internal equipment and avoids scraping other equipment inside the shell.
Further, the rear side of the side branch plate 102 is provided with a plurality of mounting holes 112.
Specifically, referring to fig. 3, the mounting holes 112 are threaded through holes formed in the rear side of the reinforcing bar 100, and a plurality of threaded through holes are uniformly formed in the rear side of the side support plate 102, so that the installation of the devices inside the housing is facilitated.
Further, the outer side surface of the bottom support plate 101 has an uneven corrugated section.
Specifically, referring to fig. 4, the corrugated section is a special-shaped surface formed on the outer side surface of the bottom support plate 101, and may also be configured as a profile, and a negative conical surface is locally designed, so as to be attached and fixed to the inner side surface of the front end housing.
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, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims (10)

1. The utility model provides a flange additional strengthening behind front end, its characterized in that: comprises an external front end shell and an internal reinforcing rib (100);
the front end shell is made of an aluminum alloy material, and the reinforcing ribs (100) are made of a carbon fiber composite material;
the reinforcing rib (100) is connected to the inner side surface of the front end shell; the shape of the reinforcing rib (100) is a D shape which is matched with the inner side surface of the front end shell.
2. The front end rear flange reinforcing structure according to claim 1, wherein: the section of the reinforcing rib (100) is T-shaped;
the reinforcing rib (100) comprises a bottom support plate (101) and a side support plate (102); the outer side surface of the bottom supporting plate (101) is connected with the inner side surface of the front end shell; the side support plate (102) is vertically connected with the middle position of the inner side surface of the bottom support plate (101), so that the bottom support plate (101) is divided into a front support plate (103) and a rear support plate (104).
3. The front end rear flange reinforcing structure according to claim 2, wherein: the bottom support plate (101) comprises a planar section (105) and an arc-shaped section (106);
the connecting position of the plane section (105) and the arc surface section (106) is an arc transition surface.
4. The front end rear flange reinforcing structure according to claim 3, wherein: an avoidance groove (107) is arranged at the outer side end face of the plane section (105).
5. The front end rear flange reinforcing structure according to claim 4, wherein: the reinforcing rib (100) is also provided with a reinforcing corner block (108);
one vertical side edge of the reinforcing corner block (108) is connected to the bottom support plate (101), and the other vertical side edge of the reinforcing corner block (108) is connected to the side support plate (102).
6. The front end rear flange reinforcing structure according to claim 5, wherein: the number of the reinforcing corner blocks (108) is multiple, and the reinforcing corner blocks (108) are respectively arranged on two sides of the side support plate (102) and are respectively connected with the front support plate (103) and the rear support plate (104).
7. The front end rear flange reinforcing structure according to claim 6, wherein: the front side surface of the side support plate (102) is provided with an equipment installation groove (109).
8. The front end rear flange reinforcing structure according to claim 7, wherein: the rear side surface of the side support plate (102) is provided with a positioning hole (110), and the tail end of the positioning hole (110) forms a positioning boss (111) on the front side surface of the side support plate (102).
9. The front end rear flange reinforcing structure according to claim 8, wherein: the rear side surface of the side support plate (102) is provided with a plurality of mounting holes (112).
10. The front end rear flange reinforcing structure according to claim 9, wherein: the outer side surface of the bottom support plate (101) is provided with an uneven corrugated section.
CN202111354175.9A 2021-11-16 2021-11-16 Front end rear flange reinforcing structure Pending CN113970277A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202111354175.9A CN113970277A (en) 2021-11-16 2021-11-16 Front end rear flange reinforcing structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202111354175.9A CN113970277A (en) 2021-11-16 2021-11-16 Front end rear flange reinforcing structure

Publications (1)

Publication Number Publication Date
CN113970277A true CN113970277A (en) 2022-01-25

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ID=79589852

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202111354175.9A Pending CN113970277A (en) 2021-11-16 2021-11-16 Front end rear flange reinforcing structure

Country Status (1)

Country Link
CN (1) CN113970277A (en)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20100181426A1 (en) * 2006-06-06 2010-07-22 Cord Haack Aircraft Fuselage Structure and Method for Producing it
CN107310751A (en) * 2017-06-07 2017-11-03 上海空间推进研究所 A kind of space flight orbit maneuver motor composite frame
CN111661349A (en) * 2020-05-21 2020-09-15 北京爱思达航天科技有限公司 Fuel tank for fixed-wing aircraft
CN113188368A (en) * 2021-05-14 2021-07-30 天津爱思达新材料科技有限公司 Composite material concentric cylinder structure
CN113415432A (en) * 2021-07-30 2021-09-21 天津爱思达新材料科技有限公司 Plane auxiliary fuel tank stabilizing surface structure

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20100181426A1 (en) * 2006-06-06 2010-07-22 Cord Haack Aircraft Fuselage Structure and Method for Producing it
CN107310751A (en) * 2017-06-07 2017-11-03 上海空间推进研究所 A kind of space flight orbit maneuver motor composite frame
CN111661349A (en) * 2020-05-21 2020-09-15 北京爱思达航天科技有限公司 Fuel tank for fixed-wing aircraft
CN113188368A (en) * 2021-05-14 2021-07-30 天津爱思达新材料科技有限公司 Composite material concentric cylinder structure
CN113415432A (en) * 2021-07-30 2021-09-21 天津爱思达新材料科技有限公司 Plane auxiliary fuel tank stabilizing surface structure

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Application publication date: 20220125

RJ01 Rejection of invention patent application after publication