CN209726952U - A kind of recovery structure of fairing of launch vehicle - Google Patents
A kind of recovery structure of fairing of launch vehicle Download PDFInfo
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- CN209726952U CN209726952U CN201920493553.3U CN201920493553U CN209726952U CN 209726952 U CN209726952 U CN 209726952U CN 201920493553 U CN201920493553 U CN 201920493553U CN 209726952 U CN209726952 U CN 209726952U
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Abstract
The utility model provides a kind of recovery structure of fairing of launch vehicle, it includes that can cover half cover of Inflatable flexible docked with the rigidity half after separating, the interface that flexible half cover is covered with rigidity half is connected by bolt assembly, it includes sequentially connected end A that the rigidity half, which is covered along its axial direction, half-conical section A and semicircle shell of column A, flexible half cover after inflation includes sequentially connected end B, half-conical section B and semicircle shell of column B, and end B dock and dock with end A after form hemispherical dome structure, half-conical section B is docked with half-conical section A, semicircle shell of column B is docked with semicircle shell of column A, the inner wall that the rigidity half is covered is fixed with high pressure helium gas cylinder, the gas outlet of the high pressure helium gas cylinder is connect with the inflating port of flexible half cover.The recovery structure makes the rigidity after separation partly cover the aerodynamic configuration of available suitable ballistic recoverable capsule, and will not the more carrying capacity for sacrificing rocket, it can be achieved that the soft landing recycling that rigidity half is covered.
Description
Technical field
The utility model relates to a kind of recovery structures of fairing of launch vehicle, belong to fairing of launch vehicle recycling
Technical field.
Background technique
Radome fairing recycling is a branch of reusable carrier rocket technology development and application, is also becoming business
The hot spot that space flight company chases, there are no successful cases so far.On the one hand, the quiet envelope limitation of satellite has compressed in radome fairing
The excess room in portion, so that the space of installation recovery system and equipment is very limited；On the other hand, recovery technology is complicated, spends
Cost is big.
Radome fairing recovery technology is primarily referred to as solving radome fairing separation, atmosphere again using Spacecraft reentry return technique
Enter, safe landing, recycling and reuse problem, therefore, recovery technology is considerably complicated, the return course after separating with radome fairing
It is closely related with flight track.
Radome fairing return course refers to that being directly entered or leave the track edge that it flew originally along its flight track turns
Track after change enters Earth'S atmosphere, and passes through the atmospheric breaking in atmosphere, the process of safe falling on earth.It is whole
Stream cover return course is a kind of artificial, purposive and controlled process., if it is not, in its return course institute by
Big angles-of-attack, maximum bearing value, Aerodynamic Heating, into safety can all become problem.Once return course is controlled, actually
Also just change its original flight track, but track after transformation returns, wherein will using thermal protection, lift control,
The technologies such as ground ball impact buffering, fixed point return, guidance and control solve the above problem one by one.
Wherein, radome fairing return course generally can be divided into following several stages:
1, radome fairing segregation section: leaving carrier rocket powder grade to radome fairing since separation terminates.The position of burble point,
Speed, attitude angle, separation angular speed constitute radome fairing flight track element.Unlock and separating mechanism, In are installed in radome fairing
When rocket flight meets throwing cover condition, by computer instruction, unlocking mechanism can make satellite fairing realize separation.Satellite fairing
Unlocking mechanism include longitudinal unlocking mechanism and lateral unlocking mechanism two parts.The separation power source of radome fairing is from radome fairing point
From spring, by designing radome fairing separation system, to meet removal process to the exact requirements of breakout locations, angle, speed.
Due to half cover unique outlook after radome fairing separation, and do not have good aerodynamic configuration, although it separates spot speed
Degree and height be not high, compared with conventional rails spacecraft returns, half cover return course, stage and the aerodynamic force encountered, heat, electromagnetism
Environment be it is similar, may part thermal conductivity and heating amount it is bigger, therefore, it is necessary to solve radome fairing local heating and asking for damaging
Topic；
2, it is transferred to the changeover portion of return trajectory: terminating from separation to the post-boost phase before entrance earth dense atmosphere.Ground
Ball high vacuum (rarefied atmosphere) atmosphere layer height generally takes 80km-120km, and changeover portion running track is not controlled generally, because
This belongs to the free descending branch in exoatmosphere；
3, atmospheric reentry (or reentry stage): the changeover portion of descending motion is a Keplerian orbit in high vacuum, when
When dropping to the region of pneumatic action obvious (for example, aerodynamic force reach gravity 1%), the movement of recoverable capsule begins to drift out
General Le track, has entered atmosphere reentry stage at this time, and reentry point E is that the starting point of reentry stage and aerodynamic force play obvious effect
Dense atmosphere highest point.For the radome fairing of parachute landing system vertical landing, reentry stage is under the deceleration of E point
This track section of parachute landing system start-up operation is dropped to, the section is from radome fairing initially enters atmosphere, until from the ground
Stop at 10km-20km height.Serious aerodynamic force heating and the test of biggish overload are generally subjected in recoverable capsule reentry stage, because
This, the track research of reentry stage is the emphasis in return trajectory research, and some common properties of reentry stage: a, recoverable capsule are reentering
The speed of section reduces with the decline of its height；B, the lift resistance ratio of recoverable capsule has a major impact reentry stage track, and lift resistance ratio increases
Greatly, the track of reentry stage tends towards stability, and increases from reentry point to the voyage of theoretical landing point；C, lift resistance ratio increases, recoverable capsule
Deceleration decline, therefore overload peak value and heat flow density peak value reduce.Therefore, recoverable capsule attacking in reentry stage is suitably controlled
Angle and lift resistance ratio, available maximum overload value appropriate and voyage appropriate；
4, be transferred to the landing phase of return trajectory: the section is to make recoverable capsule safe falling using parachute or other deceleration forms
Terminal section track at the earth's surface.Parachute is started to work in 10km-20km height below, and double reduction is usually used:
The drag parachute that an area very little is first opened in the height of 12km-7km, recoverable capsule is tentatively slowed down, then in the height of 7km-3km
Degree opens the biggish main chute of area, guarantees that recoverable capsule is landed with safe speed, for nobody aircraft, landing speed allows
15m/s.Recoverable capsule landing after, it is necessary to accurately indicate the position of oneself, in order to ground staff searching, and take it is land,
The modes such as marine and aerial recycling are recycled.Landing approach is other than parachute system vertical landing, there are also horizontal landing,
It is exactly typically space shuttle horizontal landing.
Traditionally, three classes, which reenter recoverable capsule (ballistic, trajectory-lift formula, lift formula), respectively limitation and applicable model
It encloses.Ballistic is reentered for recoverable capsule, then the angle of incidence is short, overload is big, and impact accuracy is low, can using parachute landing system
Realize vertical landing, but landing range is small；Recoverable capsule is reentered for trajectory-lift formula, reenters the increase of process lift, overload subtracts
Small, impact accuracy improves, but needs to increase recoverable capsule guidance and control system, and system becomes complicated, in retrievable satellite and flies
In ship, trajectory-lift formula return technique is widely applied, if applied in radome fairing recycling, adaptability needs simplification to mention
It is high；Recoverable capsule is reentered for lift formula, lift is maximum, landing precision highest, and horizontal landing range is maximum, therefore, can meet nothing
Damage and accuracy, which return, to be required, but system is sufficiently complex.
For carrier rocket in atmosphere when flight, radome fairing provides good environment for satellite, and in, large-scale volume defends
For star, radome fairing size is big, technique require it is high, it is expensive, have a recycling and repeat value, radome fairing generally divide it is left,
Right two halves cover.When recycling radome fairing, need to comprehensively consider the thermal protection system scheme of radome fairing transmitting and return course, radome fairing
Posture and thermal environment in return course is with more uncertainty.In short, for radome fairing, environment item that return course encounters
Part, more than emission process and operational process complexity and severe, radome fairing reenters return technique with suitable difficulty, half-and-half cover and
Speech, recoverable capsule technology is all not applicable, because of aerodynamic configuration very irregular, thermal protection is more difficult to break through for traditional reentering, to business
Using more challenge, also therefore more it is necessary to break through the technical bottleneck.
Utility model content
The technical problems to be solved in the utility model aiming at deficiency of the prior art, and provides a kind of fortune
The recovery structure of rocket radome fairing is carried, which makes the rigidity after separation partly cover available suitable ballistic recoverable capsule
Aerodynamic configuration, and will not the more carrying capacity for sacrificing rocket, it can be achieved that the soft landing recycling that rigidity half is covered.
This programme is achieved by the following technical measures: the recovery structure of the fairing of launch vehicle include can with point
The Inflatable flexible half that rigidity half from after covers docking covers, and flexible half cover and the interface that rigidity half is covered are solid by bolt assembly
Even, it includes sequentially connected end A, half-conical section A and semicircle shell of column A that the rigidity half, which is covered along its axial direction, the flexibility after inflation
Half cover forms half after docking and dock with end A including sequentially connected end B, half-conical section B and semicircle shell of column B, and end B
Spherical structure, half-conical section B are docked with half-conical section A, semicircle shell of column B is docked with semicircle shell of column A, the inner wall that the rigidity half is covered
It is fixed with high pressure helium gas cylinder, the gas outlet of the high pressure helium gas cylinder is connect with the inflating port of flexible half cover.
Preferably, the half cover folding storage of flexibility when unaerated is in rigidity half is covered, in flexible half cover after inflation with steel
Property partly covers the part axially docked and rigidity, and partly cover is symmetrical along the interface of the two.
Preferably, the high pressure helium gas cylinder is located in the one end of end A far from half-conical section A that rigidity half is covered or is located at half
In the one end of cylindrical section A far from half-conical section A.
Preferably, one end in the semicircle shell of column B far from half-conical section B is fixed with circular ring shape lengthening section, the annulus
The internal diameter of shape lengthening section is equal to the internal diameter of the cylinder formed after the semicircle shell of column B docking after semicircle shell of column A and inflation, the annulus
The outer diameter of shape lengthening section is equal to the outer diameter of the cylinder formed after the semicircle shell of column B docking after semicircle shell of column A and inflation.
Preferably, one end in the circular ring shape lengthening section far from semicircle shell of column B is fixed with annular cone section, the annular cone
The internal diameter and outer diameter at the connected end of Duan Zhongyu circular ring shape lengthening section are equal with the internal diameter of circular ring shape lengthening section and outer diameter respectively, and annular
Cone Duan Zhongyu circular ring shape lengthening section be connected end internal diameter and outer diameter be respectively smaller than far from circular ring shape lengthening section one end internal diameter and
Outer diameter.
The beneficial effects of the utility model can according to the description of the above program, the recycling of the fairing of launch vehicle
In structure, rigidity after isolation half is covered docking Inflatable flexible half and is covered, and when unaerated, flexible half cover folding storage was in rigidity
In half cover, the part axially docked partly is covered in the flexible partly cover after inflation with rigidity and covers the interface pair along the two with rigidity half
Claim, flexible half cover can increase retardation area, and rigidity is made partly to cover realization " soft landing ", effectively prevent land from hitting to rigidity half
It is damaged caused by cover, makes half cover of rigidity that can bear the secondary impact after landing.The recovery structure covers the rigidity after separation half can
To obtain being suitble to the aerodynamic configuration of ballistic recoverable capsule, and will not the more carrying capacity for sacrificing rocket, it can be achieved that rigidity half
The soft landing of cover is recycled.It can be seen that the utility model compared with prior art, has substantive features and progress, implement
Beneficial effect be also obvious.
Detailed description of the invention
Fig. 1 is the decomposition diagram that flexible half cover of structure one in the utility model is covered with rigidity half.
Fig. 2 is the decomposition diagram that flexible half cover of structure two in the utility model is covered with rigidity half.
Fig. 3 is the decomposition diagram that flexible half cover of structure three in the utility model is covered with rigidity half.
Fig. 4 is the assembling structure schematic diagram that flexible half cover of structure one in the utility model is covered with rigidity half.
Fig. 5 is A-A cross-sectional view in Fig. 4.
Fig. 6 is B-B cross-sectional view in Fig. 4.
Fig. 7 is the enlarged drawing of P point in Fig. 4.
Fig. 8 is the schematic view of the front view of flexible half cover of structure two in the utility model.
Fig. 9 is the left view structural representation of flexible half cover of structure two in the utility model.
Figure 10 is the schematic view of the front view of flexible half cover of structure three in the utility model.
Figure 11 is the left view structural representation of flexible half cover of structure three in the utility model.
In figure, 1- rigidity half is covered, and 2- flexible half covers, 3- end A, 4- half-conical section A, 5- semicircle shell of column A, 6- end B, 7-
Half-conical section B, 8- semicircle shell of column B, 9- bolt assembly, 10- circular ring shape lengthening section, 11- annular bore section.
Specific embodiment
In order to clarify the technical characteristics of the invention, below by specific embodiment, and its attached drawing is combined, to we
Case is illustrated.
Half cover radome fairing, i.e., one complete radome fairing vertical profile form two and half cover radome fairings.
A kind of recovery structure of fairing of launch vehicle, as shown, it includes that can cover 1 docking with the rigidity half after separating
Inflatable flexible half cover 2, it includes sequentially connected end A 3, half-conical section A4 and semicircle that the rigidity half, which covers 1 along its axial direction,
Shell of column A5.The material of flexible half cover 2 is twin shaft nylon cover, and the interface that flexible half cover 2 covers 1 with rigidity half passes through spiral shell
Bolt assembly 9 is connected, and flexible half 2 folding storages of cover when unaerated cover in 1 in rigidity half, and other accessory structures and equipment can edges
Rigidity half covers 1 inner wall distributing installation, covers the part that 1 axially docks with rigidity half in flexible half cover 2 after inflation and covers 1 with rigidity half
Interface along the two is symmetrical.
Wherein, flexible half cover 2 can use following three kinds of structure type:
(1) flexible half cover 2 after inflating includes sequentially connected end B6, half-conical section B7 and semicircle shell of column B8, and is held
Head B6 forms hemispherical dome structure after docking and dock with end A 3, half-conical section B7 is docked with half-conical section A4, semicircle shell of column B8
It is docked with semicircle shell of column A5, after the completion of docking, flexible partly cover 2 and half cover 1 of rigidity are symmetrical along the interface of the two.Using this knot
After configuration formula, the shape before the shape after 1 docking of flexible half cover 2 and half cover of rigidity after inflation is separated with radome fairing is identical, i.e.,
After flexible half cover, 2 inflation, end B6, half-conical section B7 and semicircle shell of column B8 in the horizontal plane be projected as concentric circles, after inflation
Flexible half cover 2 to cover the identical closed airbag of 1 shape with rigidity half, rigidity half is formed after covering 1 and flexible half cover, 2 docking
One high-drag blunt body, the resistance of the high-drag blunt body is big, and decelerability is good；
(2) flexible half cover 2 after inflating includes sequentially connected end B6, half-conical section B7 and semicircle shell of column B8, and is held
Head B6 forms hemispherical dome structure after docking and dock with end A 3, and the half-conical section B7 is docked with half-conical section A4, and semicircle
The interface that section B7 and half-conical section A is bored along the two is symmetrical, and the semicircle shell of column B8 is docked with semicircle shell of column A5, and semicircle shell of column
B8 and semicircle shell of column A5 is symmetrical along the interface of the two, and one end in the semicircle shell of column B8 far from half-conical section B7 is fixed with circle
Annular lengthening section 10, after the internal diameter of the circular ring shape lengthening section 10 is equal to the semicircle shell of column B8 docking after semicircle shell of column A5 and inflation
The internal diameter of the cylinder of formation, the outer diameter of the circular ring shape lengthening section 10 are equal to B8 pairs of semicircle shell of column after semicircle shell of column A5 and inflation
The outer diameter of the cylinder formed after connecing.Flexible half cover 2 of this structure increases circular ring shape compared with flexible half cover 2 in structure (one) and adds
Long section 10, and the lateral surface of circular ring shape lengthening section 10 with dock after flexible half cover 2 of inflation and rigidity half cover 2 lateral surface pair
Together, retardation area can be increased in this way, enhance decelerability；
(3) flexible half cover 2 after inflating includes sequentially connected end B6, half-conical section B7 and semicircle shell of column B8, and is held
Head B6 forms hemispherical dome structure after docking and dock with end A 3, and the half-conical section B7 is docked with half-conical section A4, and semicircle
The interface that section B7 and half-conical section A4 is bored along the two is symmetrical, and the semicircle shell of column B8 is docked with semicircle shell of column A5, and semicolumn
Section B8 and semicircle shell of column A5 is symmetrical along the interface of the two, and one end in the semicircle shell of column B8 far from half-conical section B7 is fixed with
Circular ring shape lengthening section 10, the internal diameter of the circular ring shape lengthening section 10 are equal to the semicircle shell of column B8 docking after semicircle shell of column A5 and inflation
The internal diameter of the cylinder formed afterwards, the outer diameter of the circular ring shape lengthening section 10 are equal to the semicircle shell of column B8 after semicircle shell of column A5 and inflation
The outer diameter of the cylinder formed after docking.One end in the circular ring shape lengthening section 10 far from semicircle shell of column B8 is fixed with annular cone section
11, the annular is bored in section 11 with the internal diameter at the connected end of circular ring shape lengthening section 10 and outer diameter respectively and in circular ring shape lengthening section 10
Diameter and outer diameter are equal, and are respectively smaller than with the internal diameter at the connected end of circular ring shape lengthening section 10 and outer diameter far from annulus in annular cone section 11
The internal diameter and outer diameter of one end of shape lengthening section 10.Flexible half cover 2 of this structure is increased compared with flexible half cover 2 in structure (two)
Annular cone section 11, further increases retardation area, enhances decelerability.
In above-mentioned three kinds of structure type, hemispherical end header structure, structure are respectively formed after the end A 3 and end B6 docking
(1) flexible half cover 2 in is the soft of two kinds of lengthening airbag structures for long balloons structure is not added, in structure (two) and structure (three)
Property half cover 2, meet different deceleration requirements, can be selected according to the size of rectification enclosure volume, structure (one) is suitable for body
The smallest radome fairing of product, structure (three) are suitable for the maximum radome fairing of volume.Flexible half cover 2 of three kinds of structure types can make steel
Property half cover 1 realize " soft landing ", effectively prevent land hit 1 is covered to rigidity half caused by damage, enable half cover of rigidity, 1 receiving
Secondary impact after landing.
The outside of flexible half cover 2 is provided with heat shield, and thickness≤10mm of heat shield is very thin, guarantees flexible half
The lighting of cover 2, the outside that rigidity half covers 1 are provided with 2 identical heat shields of flexible half cover, and the inside that rigidity half covers 1 is then sharp
It is protected with the heat shield of flexible half cover 2, the heat shield includes that the solar heat protection of thermal insulation layer and the thermal insulation layer outer surface that is laid in applies
Layer, the thermal insulation layer and airbag body are bonded using space class adhesive, as Beijing Space material and technical study are produced
Multilayer can be set in space flight epoxy resin tackifier, the thermal insulation layer, wherein the thermal protective coating is epoxy resin painting
Layer, such as Beijing Space material and technical study TR-48 thermal protective coating produced.The thermal insulation layer includes successively setting from inside to outside
Pressure bladder, restraint layer, temperature protective layer and the anticollision layer set.The material of the pressure bladder is twin shaft nylon, the constraint
The material of layer is Kevlar or polyimides, and the material of the temperature protective layer is aramid fiber, metal foil or the flexible heat insulation felt of ceramics,
The material of the anticollision layer is braiding ceramic fabric, carbon cloth or ceramic fibre, and the braiding ceramic fabric, ceramic fibre can be selected
The Nextel series ceramic oxide continuous fiber of Minnesota Mining and Manufacturing Company's production.Flexible half cover of this structure has a characteristic that
A, lightweight, flexibility, foldable, enables flexible half cover 2 to bear ground shock and pneumatically wash away, structural stability with
Intensity is higher, while being able to maintain good aerodynamic configuration, folds and is fastened in half cover 1 of rigidity after high compression, is made entire
Lighting and reusable may be implemented in structure；
B, the flexibility half covers 2 and good deceleration helps to reduce heat flow density and heating temperature, flexible half cover, 2 inflation exhibitions
After opening, it can be subjected to the effect of space environment for a long time；
C, when atmospheric reentry, there is thermal protection function, help to reduce heat flow density and heating temperature, be amenable to reenter
For Aerodynamic Heating in the process without destroying, structural stability is preferable.
D, the flexibility half, which covers 2, has deceleration, solar heat protection and bearing function.
The inner wall that the rigidity half covers 1 is fixed with high pressure helium gas cylinder, the gas outlet of the high pressure helium gas cylinder and flexible half cover 2
Inflating port connection, be flexible half cover, 2 inflation by high pressure helium gas cylinder, flexible half cover, 2 inflation is rapidly completed in radome fairing before reentering
It is unfolded with structure.The high pressure helium gas cylinder be it is cylindric or annular, the high pressure helium gas cylinder is located at rigidity half and covers 1 end A 3 far
In one end (small end head) from half-conical section A4 or in one end (big end) positioned at semicircle shell of column A5 far from half-conical section A4, root
According to the difference for returning to trajectory, the attachmentes such as high pressure helium gas cylinder can be installed in the space layout near small end head or big end, thus
Be conducive to the design of mass center.
The recovery structure of the fairing of launch vehicle is suitable for ballistic (lift does not control formula) and trajectory-lift formula rectification
Cover returns to trajectory, and two kinds of radome fairings return in trajectory, and the aerodynamic configuration of radome fairing is almost the same, but heading is on the contrary, bullet
Headfirst, radome fairing is big blunt nosed facing forward in trajectory-lift formula for the small end of radome fairing in road formula.Ballistic is designed by mass center
Ensure stability, the included guidance of trajectory-lift formula and control system, may be by included high-pressure aerated helium and be used as certainly
Rotation and racemization power source are spun up, to improve landing precision and reduce impact dispersion.
Ballistic (lift does not control formula) and trajectory-lift formula radome fairing return course are as follows:
1. radome fairing segregation section: separating start and ending from radome fairing；
2. changeover portion: terminating from radome fairing separation inflated and deployed to flexible half cover 2 reentry point E, is basically completed；
3. reentry stage: until between landing since reentry point E；
4. landing and breeze way: from landing to finding radome fairing.
Technical characteristic in the utility model without description can be achieved by the prior art, and details are not described herein.This reality
It is not limited in above-mentioned specific embodiment with novel, those of ordinary skill in the art do in the essential scope of the utility model
Variations, modifications, additions or substitutions out, should also belong to the protection scope of the utility model.
Claims (5)
1. a kind of recovery structure of fairing of launch vehicle, it is characterized in that: it includes that can cover docking with the rigidity half after separating
Inflatable flexible half covers, and the interface that flexible half cover is covered with rigidity half is connected by bolt assembly, and the rigidity half is covered along its axis
To including sequentially connected end A, half-conical section A and semicircle shell of column A, flexible half cover after inflation includes sequentially connected end
B, half-conical section B and semicircle shell of column B, and end B dock and dock with end A after form hemispherical dome structure, half-conical section B and half
Conical section A docking, semicircle shell of column B are docked with semicircle shell of column A, and the inner wall that the rigidity half is covered is fixed with high pressure helium gas cylinder, described
The gas outlet of high pressure helium gas cylinder is connect with the inflating port of flexible half cover.
2. the recovery structure of fairing of launch vehicle according to claim 1, it is characterized in that: flexible half when unaerated covers
Folding storage partly covers the part axially docked with rigidity and covers with rigidity half along two in rigidity half is covered in flexible half cover after inflation
The interface of person is symmetrical.
3. the recovery structure of fairing of launch vehicle according to claim 2, it is characterized in that: the high pressure helium gas cylinder is located at
In the one end of end A far from half-conical section A that rigidity half is covered or in the one end of semicircle shell of column A far from half-conical section A.
4. the recovery structure of fairing of launch vehicle according to claim 3, it is characterized in that: remote in the semicircle shell of column B
One end from half-conical section B is fixed with circular ring shape lengthening section, and the internal diameter of the circular ring shape lengthening section is equal to semicircle shell of column A and inflation
The internal diameter of the cylinder formed after semicircle shell of column B docking afterwards, the outer diameter of the circular ring shape lengthening section are equal to semicircle shell of column A and inflation
The outer diameter of the cylinder formed after semicircle shell of column B docking afterwards.
5. the recovery structure of fairing of launch vehicle according to claim 4, it is characterized in that: in the circular ring shape lengthening section
Far from semicircle shell of column B one end be fixed with annular cone section, it is described annular cone Duan Zhongyu circular ring shape lengthening section be connected end internal diameter and
Outer diameter is equal with the internal diameter of circular ring shape lengthening section and outer diameter respectively, and the internal diameter at the connected end of annular cone Duan Zhongyu circular ring shape lengthening section
The internal diameter and outer diameter of one end far from circular ring shape lengthening section are respectively smaller than with outer diameter.
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| CN201920493553.3U CN209726952U (en) | 2019-04-15 | 2019-04-15 | A kind of recovery structure of fairing of launch vehicle |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113247313A (en) * | 2021-07-02 | 2021-08-13 | 中国人民解放军战略支援部队航天工程大学 | Flexible variant airship for recycling carrier rocket booster and recycling method |
| CN114180107A (en) * | 2021-12-07 | 2022-03-15 | 北京空间机电研究所 | Heat-insulation-prevention speed reducing umbrella cabin device for fairing parachute recovery |
-
2019
- 2019-04-15 CN CN201920493553.3U patent/CN209726952U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113247313A (en) * | 2021-07-02 | 2021-08-13 | 中国人民解放军战略支援部队航天工程大学 | Flexible variant airship for recycling carrier rocket booster and recycling method |
| CN114180107A (en) * | 2021-12-07 | 2022-03-15 | 北京空间机电研究所 | Heat-insulation-prevention speed reducing umbrella cabin device for fairing parachute recovery |
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