CN106429061B - A kind of shipping protector of Large Spacecraft - Google Patents

A kind of shipping protector of Large Spacecraft Download PDF

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Publication number
CN106429061B
CN106429061B CN201610550821.1A CN201610550821A CN106429061B CN 106429061 B CN106429061 B CN 106429061B CN 201610550821 A CN201610550821 A CN 201610550821A CN 106429061 B CN106429061 B CN 106429061B
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Prior art keywords
protective
layer structure
spacecraft
protective layer
molecular weight
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CN106429061A (en
Inventor
常娟
吴志亮
吴佳林
盛英华
林剑锋
沈超
田永松
何庆
徐耀钟
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Shanghai Aerospace System Engineering Institute
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Shanghai Aerospace System Engineering Institute
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65DCONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D88/00Large containers
    • B65D88/16Large containers flexible

Abstract

The present invention provides a kind of shipping protectors of Large Spacecraft; including protective layer structure; the external structure of the protective layer structure and spacecraft matches; the protective layer structure is used to be wrapped in the outside of the structure in whole or in part of spacecraft; wherein, the material of the protective layer structure is ultra high molecular weight polyethylene fiber.The ultra high molecular weight polyethylene fiber constitutes the protective layer structure after being compiled into protective cloth, armor clothing housing and foam and the protective plate cooperation that protective cloth is constituted constitute armor clothing, or the protective plate that ultra high molecular weight polyethylene fiber is compiled into constitutes shield or protective cloth and steel skeleton cooperation composition protective jacket with the cooperation of steel skeleton.The protective layer structure of the protective device is set as ultra high molecular weight polyethylene fiber, and type is changeable, adaptable, the spacecraft Transport Safety after having ensured removal insulated truck vehicle shell, Special packaging box.

Description

A kind of shipping protector of Large Spacecraft
Technical field
The present invention relates to one when the technical field of transportation of Large Spacecraft, the in particular to railway of rocket, highway transportation The shipping protector of kind Large Spacecraft.
Background technique
Space product is after production unit completes test, generally by railway, highway transportation to launching site.For carrier rocket And its bay section, dedicated heat-insulation train for transport on railway (Ω vehicle) is used in railway transportation;Flat car is used in highway transportation, is produced Product, which are directly placed, covers waterproof awning cloth, or uses Special packaging box.Above-mentioned transport device is disadvantageous in that:
1. needing to design and producing dedicated insulated truck, dedicated product package, single and mini-batch production cost is relatively high, Versatility is bad;
2. insulated truck gabarit has accomplished maximum at present due to being limited by railway transportation limit;In safety Under the premise of, minimum has been accomplished in the gap of thermal car outer casing thickness and built-in rocket body and interior wall;Rocket maximum contour dimension by To limitation, to directly influence the carrying capacity for promoting dosage and rocket that rocket body can fill;
3. due to being limited by highway transportation limit, Special packaging box maximum gabarit is limited, same to influence product most Big gabarit directly influences propulsion dosage and carrying capacity that rocket body can fill;
4. if railway, highway transportation remove packing case, using current simple wqter-proof tarpaulin, though it can larger production gabarit ruler It is very little, but the impact product such as not can avoid transportational process medium stone, foreign matter, product is damaged.
Therefore, a kind of shipping protector how is provided so that when the railway, highway transportation of space product such as rocket etc., Guarantee that passability is stronger while space product becomes large-sized, ensure that spacecraft Transport Safety is to be solved by this invention Main problem.
Summary of the invention
The purpose of the present invention is to provide a kind of shipping protectors of Large Spacecraft, to solve existing space product In transport existing means of transport poor universality, by the transport such as bridges and culverts limit restricted volume, simple cladding when easily cause The problem of damage.
The second object of the present invention is to provide a kind of shipping protector of Large Spacecraft, to break through existing iron The limitation of road, highway transportation to Large Spacecraft maximum gabarit, after realizing by removing rail transporter shell, Special packaging box, Ensure spacecraft Transport Safety.
To achieve the above object, the present invention provides a kind of shipping protectors of Large Spacecraft, including protective layer knot The external structure of structure, the protective layer structure and spacecraft matches, and the protective layer structure is for being wrapped in the whole of spacecraft The outside of body or part-structure, wherein the material of the protective layer structure is nonmetallic composite.Ultra-high molecular weight polyethylene Fiber, glass fibre, carbon fiber.
Preferably, the nonmetallic composite be ultra high molecular weight polyethylene fiber, glass fibre and/or carbon fiber, The protective layer structure is the protective cloth that ultra high molecular weight polyethylene fiber, glass fibre and/or carbon fiber are worked out.
Preferably, the protective layer structure includes the armor clothing housing that protective cloth is constituted, the armor clothing housing is set as Several connected splicing blocks, the side of each splicing block are equipped with an opening, the protective plate by opening merging are equipped in splicing block And foamed cotton layer, the protective plate is made of ultra high molecular weight polyethylene fiber compacting and foamed cotton layer is located at the interior of armor clothing housing Side.
Preferably, the protective layer structure, which is equipped with, fastens device, for fastening the armor clothing housing outside spacecraft On shell.
Preferably, the protective plate with a thickness of 2~8mm, the foamed cotton layer with a thickness of 15~25mm.
Preferably, the junction between the splicing block is equipped with the UD Compound Fabric for being affixed connection with two splicing blocks.
Preferably, further including steel skeleton, the protective cloth and steel skeleton cooperate, and constitute protective jacket unit, described anti- The UD Compound Fabric for 5~10mm thickness that cloth is nonmetallic composite compacting is protected, several protective jacket units connect and compose large-scale anti- Sheath.
Preferably, the nonmetallic composite be ultra high molecular weight polyethylene fiber, glass fibre and/or carbon fiber, The protective layer structure is protective plate made of ultra high molecular weight polyethylene fiber, glass fibre and/or carbon fiber are suppressed.
Preferably, further including steel skeleton, the protective plate and steel skeleton cooperate, and constitute shield unit, several Shield unit connects and composes large-scale shield.
Preferably, the large size shield is equipped with cushion towards the side of spacecraft, for preventing shield unit and boat It collides between the shell of its device.
The present invention provides a kind of protective device developed based on high performance material, the protective layers of the protective device Structure setting is ultra high molecular weight polyethylene fiber, and type is changeable, adaptable, ensured removal insulated truck vehicle shell, specially With the spacecraft Transport Safety after packing case;Improve Large Spacecraft road and bridge passability so that spacecraft maximum gabarit into The increasing of one step is possibly realized.
When the present invention is applied to rocket transport, it is effectively utilized between insulated truck vehicle thickness of the shell, vehicle and the safety of rocket body Gap, so that rocket maximum gabarit increases to φ 3800mm or more from φ 3350mm, so that the propulsion dosage that can be filled increases, thus Realize that carrying capacity at least increases by 27% or more.
Detailed description of the invention
Figure 1A is the shipping protector section view for the Large Spacecraft that the embodiment of the present invention one provides;
Figure 1B is the shipping protector construction profile for the Large Spacecraft that the embodiment of the present invention one provides;
Fig. 1 C is schematic cross-section at the protective layer structure structure line A-A provided in Figure 1B;
Fig. 2 is the protective layer structure scheme of installation that the embodiment of the present invention one provides;
Fig. 3 A is the shipping protector section view of Large Spacecraft provided by Embodiment 2 of the present invention;
Fig. 3 B is the shipping protector construction profile of Large Spacecraft provided by Embodiment 2 of the present invention;
Fig. 4 A is the shipping protector section view for the Large Spacecraft that the embodiment of the present invention three provides;
Fig. 4 B is the shipping protector construction profile for the Large Spacecraft that the embodiment of the present invention three provides;
Fig. 5 A is the shipping protector combination diagram that embodiment two or three provides;
Fig. 5 B is schematic diagram when the shipping protector that embodiment two or three provides is installed;
Fig. 5 C is that the shipping protector that embodiment two or three provides installs trailing flank schematic diagram.
Specific embodiment
In order to better illustrate the present invention, hereby with a preferred embodiment, and attached drawing is cooperated to elaborate the present invention, specifically It is as follows:
A kind of shipping protector of Large Spacecraft provided in this embodiment, including protective layer structure, the protective layer Structure and the external structure of spacecraft match, and the protective layer structure is used to be wrapped in the structure in whole or in part of spacecraft It is external, wherein the material of the protective layer structure is ultra high molecular weight polyethylene fiber.The protection that this high performance material is constituted Layer structure has intensity height, modulus height, low, corrosion-resistant, the acidproof alkali salt of density, shock resistance, anti-cut, stress crack resistant, prevents Rain, antiultraviolet, S. E. A., damping capacity are high, height temperature stability is good, fire-retardant, lightweight, it is soft it is easily processed into type, The features such as material source is abundant, good economy performance.
Embodiment one:
As shown in Figure 1A, the shipping protector of Large Spacecraft provided in this embodiment is soft, specifically, protective layer Structure is armor clothing 1, and armor clothing 1 is wrapped in 2 outside of rocket body of rocket, is additionally provided on armor clothing 1 and fastens device 6, be used for armor Clothing 1 fastens on the shell of rocket.Wherein, the armor clothing 1 in the present embodiment is that above-mentioned ultra high molecular weight polyethylene fiber is compiled What manufactured protective cloth was constituted.
As shown in Figure 1B, the protective layer structure in the present embodiment includes the armor clothing housing 5 that protective cloth is constituted, armor clothing Housing 5 is set as multiple splicing blocks, and each splicing block forms the sandwich of pocket-type, is connected to form protective layer structure.Such as Shown in Fig. 1 C, it is equipped with protective plate 3 and foamed cotton layer 4 in each splicing block, is placed in by a side opening of splicing block, foamed cotton layer 4 In the inside of armor clothing housing 5.The armor clothing housing that i.e. protective cloth is constituted cooperates with foam and protective plate constitutes armor clothing.This reality Apply the plate that protective plate 3 in example is 5mm thickness made of ultra high molecular weight polyethylene fiber compacting, foamed cotton layer 4 with a thickness of 20mm, Protective plate and foamed cotton layer are used to provide preferable compressive property for protective layer structure, and protective layer structure is also avoided to accidentally injure outside rocket Shell.Junction between splicing block is equipped with the UD Compound Fabric that connection is affixed with two splicing blocks, to realize water-proof function.Wherein, In his preferred embodiment, the thickness of protective plate 3 can any thickness between 2~8mm, and the thickness of foamed cotton layer 4 can for 15~ Any thickness between 25mm.
Armor clothing 1 provided in this embodiment can keep out 590J impact capacity, effective protection rocket structure, armor clothing housing 5 It is special protective materials, plays the work such as corrosion-resistant, acidproof alkali salt, anti-cut, stress crack resistant, rain-proof, antiultraviolet, fire-retardant With.On armor clothing after arrow, solid tension is fastened paragraph by paragraph by fastening device 6, makes it that can also be close to rocket body in transit.
According to the present embodiment, as shown in Fig. 2, the device that the protective device (armor clothing) of blanket structure class is installed and used includes Following steps:
Step 1: in the lifting to transition flat car 14 of rocket body 2, with 15 fastening of front and back bearing;
Step 2: lifting armor clothing 1 to 2 top of rocket body with lifting rope 16;
Step 3: expansion armor clothing 1 is coated on rocket body 2;
Step 4: armor clothing 1 fastens;
Step 5: fastening fasten device 6 admittedly paragraph by paragraph.
Embodiment two:
In the present embodiment, the shipping protector of Large Spacecraft provided in this embodiment is hard, specifically, such as Fig. 3 A Described, the protective layer structure in the present embodiment is shield 7, and shield 7 is coated on the outside of the rocket body 2 of rocket.Such as Fig. 3 B institute Show, the shield 7 in the present embodiment includes protective plate 8 and steel skeleton 9, and protective plate 8 is ultra high molecular weight polyethylene fiber pressure Made of system, with a thickness of 5mm.Wherein, one group of protective plate 8 and steel for being made for the shape specifically to match with rocket envelope Skeleton 9 matches, and constitutes basic shield unit 10, and according to the length of rocket body, suitable multiple shield units 10 are arranged Connect and compose the entirety of large-scale shield.In addition, after shield is installed as large-scale shield, by the junction between shield unit UD Compound Fabric is set, with waterproof.
Wherein, the side (i.e. inside) of large-scale shield towards spacecraft is equipped with cushion, for prevent shield unit with It collides between the shell of spacecraft.In other preferred embodiments, the thickness of protective plate 8 can any thickness between 2~8mm Degree.
Embodiment three:
In the present embodiment, the shipping protector of Large Spacecraft provided in this embodiment be it is soft, specifically, such as Fig. 4 A Shown, the protective layer structure in the present embodiment is protective jacket 11, and protective jacket 11 is coated on the outside of the rocket body 2 of rocket.Such as Fig. 4 B Protective jacket 11 includes that protective cloth and steel skeleton 9 are constituted, and steel skeleton 9 is set as the shape being adapted with rocket body shell.Protection Cloth makes the internal diameter of protective jacket 11 fit to the outer of rocket body protrusion substantially by steel skeleton.Wherein, in the present embodiment Protective cloth is the UD Compound Fabric of the 7mm thickness of ultra high molecular weight polyethylene fiber compacting, several protective jacket units connect and compose greatly Type protective jacket.
Wherein, the UD Compound Fabric 12 in the protective jacket 11 in the present embodiment is fixed in steel skeleton 9.Steel skeleton 9 and UD Compound Fabric 12 forms protective jacket unit 13.In application, installing appropriate number of protective jacket unit according to rocket body length connects structure At large-scale protective jacket, water-proofing treatment is carried out to each section of junction after the completion of protective jacket.In other preferred embodiments, protective cloth Thickness can any thickness between 5~10mm.
Wherein, the ultra high molecular weight polyethylene fiber in above-described embodiment also can be replaced glass fibre or carbon fiber is contour The nonmetallic composite of performance can also be set as needed as ultra high molecular weight polyethylene fiber, glass fibre and carbon fiber In two or three of mixing work out and protective cloth or be suppressed into protective plate, to constitute protective layer structure, this field skill Art personnel can as needed unrestricted choice constitute protective cloth or protective plate nonmetallic composite concrete type, and according to It needs to combine different materials to be compiled into protective cloth or be pressed into protective plate.
According to embodiment two and embodiment three, device such as Fig. 5 A that rocket body flexible package (protective jacket, shield) is installed and used, Shown in 5B, 5C, include the following steps:
Step 1: in the lifting to transition flat car 14 of rocket body 2, with 15 fastening of front and back bearing;
Step 2: lifting unilateral shield (set) 10 or 13 with lifting rope 16 and be installed on transport car bottom plate;
Step 3: placing cushion between rocket body and shield 10;
Step 4: lifting opposite side shield (set) 10 or 13 is installed on transport car bottom plate;
Step 5: shield (set) joining place in two sides being overlapped and is fastened;
Step 6: each section of shield (set) 10 or 13 is successively installed;
Step 7: installation rocket body front/rear end shield (set) 10 or 13;
Step 8: lap-joint's water-proofing treatment.
Certainly, it will be appreciated by those skilled in the art that each technical characteristic that the various embodiments described above are included is not conflicting In the case where can be freely combined, deformation that above-described embodiment is done, replacement and combination should be included in the scope of the invention it It is interior.
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any Those skilled in the art in the technical scope disclosed by the present invention, to deformation or replacement that the present invention is done, should be covered Within protection scope of the present invention.Therefore, protection scope of the present invention should be subject to the scope of protection of the claims.

Claims (6)

1. a kind of shipping protector of Large Spacecraft, which is characterized in that including protective layer structure, the protective layer structure with The external structure of spacecraft matches, and the protective layer structure is used to be wrapped in the outside of the structure in whole or in part of spacecraft, Wherein, the material of the protective layer structure is nonmetallic composite;
The protective layer structure includes the armor clothing housing that protective cloth is constituted, and the armor clothing housing is set as several connected spellings Block is connect, the side of each splicing block is equipped with an opening, and protective plate and foamed cotton layer by opening merging are equipped in splicing block, described Protective plate is made of ultra high molecular weight polyethylene fiber compacting and foamed cotton layer is located at the inside of armor clothing housing;Or
The protective layer structure is the protective cloth that ultra high molecular weight polyethylene fiber, glass fibre and/or carbon fiber are worked out, It further include steel skeleton, the protective cloth and steel skeleton cooperate, and constitute protective jacket unit, and the protective cloth is nonmetallic compound The UD Compound Fabric of 5~10mm thickness of material compacting, several protective jacket units connect and compose large-scale protective jacket;Or
The protective layer structure is protective plate made of ultra high molecular weight polyethylene fiber, glass fibre and/or carbon fiber are suppressed, It further include steel skeleton, the protective plate and steel skeleton cooperate, and constitute shield unit, several shield units connect structure At large-scale shield.
2. the shipping protector of Large Spacecraft according to claim 1, which is characterized in that the nonmetallic composite wood Material is ultra high molecular weight polyethylene fiber, glass fibre and/or carbon fiber.
3. the shipping protector of Large Spacecraft according to claim 1, which is characterized in that on the protective layer structure Equipped with device is fastened, for fastening the armor clothing housing in spacecraft shell.
4. the shipping protector of Large Spacecraft according to claim 1, which is characterized in that the thickness of the protective plate For 2~8mm, the foamed cotton layer with a thickness of 15~25mm.
5. the shipping protector of Large Spacecraft according to claim 1, which is characterized in that the company between the splicing block The place of connecing is equipped with the UD Compound Fabric that connection is affixed with two splicing blocks.
6. the shipping protector of Large Spacecraft according to claim 1, which is characterized in that the large size shield court It is equipped with cushion to the side of spacecraft, is collided between the shell for preventing shield unit and spacecraft.
CN201610550821.1A 2016-07-13 2016-07-13 A kind of shipping protector of Large Spacecraft Active CN106429061B (en)

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Application Number Priority Date Filing Date Title
CN201610550821.1A CN106429061B (en) 2016-07-13 2016-07-13 A kind of shipping protector of Large Spacecraft

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Application Number Priority Date Filing Date Title
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CN106429061B true CN106429061B (en) 2019-01-29

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Families Citing this family (5)

* Cited by examiner, † Cited by third party
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CN107528227A (en) * 2017-08-26 2017-12-29 南通鑫源电器制造有限公司 A kind of bullet-proof type transformer power distribution cabinet
CN111874446B (en) * 2018-02-27 2022-05-13 蓝箭航天技术有限公司 Rocket packing case section
CN109109950B (en) * 2018-08-21 2021-11-19 天津泽川工贸有限公司 Traction frame device of large rocket wallboard transport vehicle
CN110963080B (en) * 2019-12-23 2021-09-17 北京空间技术研制试验中心 Flexible protection device for manned spacecraft
CN114184097A (en) * 2021-12-01 2022-03-15 上海航天设备制造总厂有限公司 Protective clothing and protective method for large-diameter rocket body railway transportation

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3502205A (en) * 1967-12-13 1970-03-24 Charles R Milton Container
DE102012202845A1 (en) * 2012-02-24 2013-08-29 Lufthansa Technik Ag Transport packaging structure for component e.g. thrust reverser for turbofan thruster of aircraft, has flexible cover portion that is closed over linkage portion which is mounted at attachment points in base portion
CN104386372A (en) * 2014-11-15 2015-03-04 江苏海鹏特种车辆有限公司 Outer flexible packaging structure for transportation of middle fuselage of large passenger aircraft
CN104608987A (en) * 2014-11-26 2015-05-13 上海复合材料科技有限公司 Composite material storage box with honeycomb structure and manufacturing method thereof
CN204323981U (en) * 2014-11-27 2015-05-13 中国海洋石油总公司 Large-scale conduit transport fender guard
CN104968566A (en) * 2013-02-05 2015-10-07 空中客车防务和空间公司 Device for retaining a tank in an aircraft

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3502205A (en) * 1967-12-13 1970-03-24 Charles R Milton Container
DE102012202845A1 (en) * 2012-02-24 2013-08-29 Lufthansa Technik Ag Transport packaging structure for component e.g. thrust reverser for turbofan thruster of aircraft, has flexible cover portion that is closed over linkage portion which is mounted at attachment points in base portion
CN104968566A (en) * 2013-02-05 2015-10-07 空中客车防务和空间公司 Device for retaining a tank in an aircraft
CN104386372A (en) * 2014-11-15 2015-03-04 江苏海鹏特种车辆有限公司 Outer flexible packaging structure for transportation of middle fuselage of large passenger aircraft
CN104608987A (en) * 2014-11-26 2015-05-13 上海复合材料科技有限公司 Composite material storage box with honeycomb structure and manufacturing method thereof
CN204323981U (en) * 2014-11-27 2015-05-13 中国海洋石油总公司 Large-scale conduit transport fender guard

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