CN106428634B - A kind of main force support structure reentering recovery capsule suitable for ballistic - Google Patents
A kind of main force support structure reentering recovery capsule suitable for ballistic Download PDFInfo
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- CN106428634B CN106428634B CN201610842048.6A CN201610842048A CN106428634B CN 106428634 B CN106428634 B CN 106428634B CN 201610842048 A CN201610842048 A CN 201610842048A CN 106428634 B CN106428634 B CN 106428634B
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- skirt
- stabilizing
- platform
- umbrella
- transition bracket
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64G—COSMONAUTICS; VEHICLES OR EQUIPMENT THEREFOR
- B64G1/00—Cosmonautic vehicles
- B64G1/22—Parts of, or equipment specially adapted for fitting in or to, cosmonautic vehicles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64G—COSMONAUTICS; VEHICLES OR EQUIPMENT THEREFOR
- B64G1/00—Cosmonautic vehicles
- B64G1/22—Parts of, or equipment specially adapted for fitting in or to, cosmonautic vehicles
- B64G1/66—Arrangements or adaptations of apparatus or instruments, not otherwise provided for
Abstract
The invention discloses a kind of main force support structures that recovery capsule is reentered suitable for ballistic, recovery capsule load technical field, it includes: head capsule, stabilizing skirt, skirt bottom, fascia panel, transition bracket, support base, platform, umbrella cabin device and pull rod；It is docked respectively with head capsule and skirt bottom at the both ends of stabilizing skirt；Fascia panel is fixed on the upper end frame of stabilizing skirt；The bottom surface of fascia panel is coaxially installed with transition bracket；The connection of the intermediate-frame of platform and stabilizing skirt, platform upper surface are fixed with support base；Support base is connect with transition bracket；After the installation end of umbrella cabin device passes through platform, installation end is connect with support base and transition bracket, and umbrella end is connect by pull rod with stabilizing skirt after passing through stabilizing skirt out；The spherical surface that umbrella cabin device goes out umbrella end closes the circumferential notch at skirt bottom；The structure can either bear the complex load condition reentered, meet the requirement of equipment installation；It can be improved the lateral fundamental frequency of cabin again, additionally it is possible under the premise of meeting stiffness and strength, realize light-weight design.
Description
Technical field
The invention belongs to recovery capsule load technical fields, and in particular to a kind of master for reentering recovery capsule suitable for ballistic holds
Power structure.
Background technique
The ballistic that ballistic reenters the main force support structure of recovery capsule refer to enter atmosphere after without gesture stability again
Enter return mode.
The effect of carrier rocket launch load and load of escaping will be born and transmit in transmitting by reentering recovery capsule, be reentered big
The load such as overload, external pressure and parachute-opening shock are born when gas-bearing formation, recovery capsule structural loading conditions are complicated, and bearing requirements are higher.Bullet
Road formula has reentered its own feature, and the process of reentering does not have gesture stability measure, higher to the operation stability requirement for the process that reenters,
And after entering atmosphere, needing to release a parachute carries out cabin deceleration, and parachute is opening moment, can umbrella cabin to parachute
The mounting structure of device generates very big impact, and impact may cause structure to generate destruction, lead to recovery capsule Abnormal Landing,
Jeopardize the safety of equipment, sample etc. in celestial body itself and star, in order to reduce influence of the parachute-opening to satellite transit posture, parachute-opening punching
The axis direction that direction should be maintained at satellite transit is hit, therefore how to design the load-carrying construction of recovery capsule, complicated load should be met
Lotus condition, and configuration layouts' needs are able to satisfy, it is an important design problem.
Common method is to reinforce the strength and stiffness of parachute mounting structure, calculated by simulation analysis or by into
Row bullet throws the reliability of verification experimental verification structure design.It has the following problems:
(1) strength and stiffness for reinforcing mounting structure, inevitably result in the increase of its construction weight, the change of occupied space
Greatly, the position harsh for certain quality and space requirement then can greatly increase the difficulty of design；
(2) it when throwing verification experimental verification by bullet, needs to simulate time of day, increases the expenses such as testing expenses and material processing
With；
(3) reinforcement of mounting structure is used merely to meet bullet and throws impact, and when for other mechanical states, then performance is big
Big affluence causes the waste of design, not enough optimizes.
Summary of the invention
In view of this, the object of the present invention is to provide a kind of main force support structure for reentering recovery capsule suitable for ballistic, it should
Structure can either bear the complex load condition reentered, meet the requirement of equipment installation；It can be improved the lateral fundamental frequency of cabin again,
Light-weight design can also be realized under the premise of meeting stiffness and strength.
The present invention is achieved through the following technical solutions:
A kind of main force support structure reentering recovery capsule suitable for ballistic, comprising: head capsule, stabilizing skirt, skirt bottom, fascia panel,
Transition bracket, support base, platform, umbrella cabin device and pull rod；
The head capsule is to dock the shell formed by frustum and segment, wherein is docked with the small end of frustum the bottom surface of segment；
The stabilizing skirt be pyramidal shell, stabilizing skirt inner peripheral surface along its axial direction be machined with three it is same with stabilizing skirt
The annular convex platform of axis, respectively the upper end frame of stabilizing skirt, intermediate-frame and bottom end frame；
The skirt bottom is inverted ball missing shape shell, is machined with coaxial circumferential notch at the top of ball missing shape shell；
Axially extending bore is machined on the platform；
The umbrella cabin device is used for after recovery capsule enters atmosphere, is released a parachute and is subtracted to the cabin of recovery capsule
Speed；One end of umbrella cabin device is installation end, and the other end is umbrella end, and the end face at the umbrella end out is processed as spherical surface；The spherical surface
It is identical as the radian at skirt bottom；
Integrated connection relationship is as follows: the big end of head capsule frustum is docked by the upper end frame of stabilizing skirt with the small end of stabilizing skirt,
It is docked by the bottom end frame of stabilizing skirt with the big end of stabilizing skirt at skirt bottom；Head capsule, stabilizing skirt and skirt bottom form the shape knot of recovery capsule
Structure；
Fascia panel is located in head capsule, and the supporting leg by being distributed uniformly and circumferentially is fixed on the upper end frame of stabilizing skirt
On；The bottom surface of fascia panel is coaxially installed with transition bracket；
Platform passes through the intermediate-frame connection of the supporting leg and stabilizing skirt that are distributed uniformly and circumferentially, and platform upper surface is fixed
There is the support base being circularly and evenly distributed；The top of support base and the flange in the bottom of transition bracket connect；
After the installation end of umbrella cabin device passes through the axially extending bore of platform, the upper flange of installation end and the top of support base and
The flange in the bottom of transition bracket connects, wherein the upper flange is located at the top of support base and the flange in the bottom of transition bracket
Between contact surface；Umbrella end passes through the circumferentially equally distributed drawing being inclined outwardly upwards in direction after the bottom end frame of stabilizing skirt out
The connection of the bottom end frame of bar and stabilizing skirt；The spherical surface that umbrella cabin device goes out umbrella end is matched with the circumferential notch at skirt bottom, and by skirt bottom
Circumferential notch closing.
The fascia panel 4, transition bracket 5, support base 6, platform 7, umbrella cabin device 8, pull rod 9 and adjustment gasket 10 constitute
The center force transferring structure of " dry " font.
Further, further include adjustment gasket, the adjustment gasket be mounted on fascia panel and transition bracket contact surface it
Between.
Further, the supporting leg is separately installed with the contact position at the place of docking of upper end frame and supporting leg and intermediate-frame
Heat insulating mattress.
Further, the platform is made of two pieces of semi-circular plate docking.
Further, the fascia panel, transition bracket, support base, platform material be all made of casting magnesium alloy.
The utility model has the advantages that (1) present invention in the contour structures of recovery capsule pneumatically required, is held by reasonable overlapping design
Load component (i.e. fascia panel and platform) on different height is connected as one by umbrella cabin device and transition bracket by power component
A entirety, edge are connected by the annular convex platform of stabilizing skirt and the contour structures of recovery capsule, so that local load's impact can have
It the dispersion of effect and is transmitted on multiple load components, reduces the stress of component eventually by the center force transferring structure of " dry " font
It concentrates；And connected umbrella cabin device with the bottom end frame of stabilizing skirt by pull rod, whole fundamental frequency is improved, stability is increased.
(2) the center force transferring structure of " dry " font of the invention, on the one hand solves longspan structure longitudinal direction fundamental frequency
Low problem improves overall stiffness, has on the other hand effectively dispersed the transmitting of parachute-opening shock power, reduced component stress,
The design strength for alleviating the structure that is hit, reduces design weight, and maximum stress is reduced to 115.7Mpa from 206Mpa；
(3) when umbrella cabin device parachute-opening of the invention, percussion by transition bracket and support base be applied to fascia panel and
On platform, and then active force is distributed to the upper end frame and intermediate-frame of stabilizing skirt, single component is avoided to bear compared with big load；Separately
On the one hand, the center force transferring structure of " dry " font substantially increases longitudinal fundamental frequency of entire recovery capsule cabin, mentions from 34Hz
Height arrives 63Hz.
(4) umbrella cabin device of the invention is connected to the bottom end frame of stabilizing skirt by pull rod, can greatly improve entire return
The lateral fundamental frequency for receiving cabin cabin, makes lateral fundamental frequency be increased to 23Hz from 11Hz.
(5) junction of fascia panel of the invention and platform and stabilizing skirt installs heat insulating mattress additional, and the equipment in recovery capsule is equal
It is distributed on fascia panel and platform, recovery capsule cabin can be effectively prevented on the outside of recovery capsule cabin Aerodynamic Heating when reentering is transmitted to
Equipment in recovery capsule solves the problems, such as that return phase temperature is excessively high.
(6) material of multiple load-carrying construction of the invention (the i.e. described fascia panel, transition bracket, support base, platform) selects
Magnesium alloy is preferably cast with low-density, high intensity, shock resistance, realizes that the light-weight design of load-carrying construction, weight are only aluminium
The 2/3 of alloy material weight.
(7) thickness of the invention by adjusting adjustment gasket, and reasonable arrangement assembling sequence, can be realized dimensional chain for assembly
Coordination.
Detailed description of the invention
Fig. 1 is structure composition figure of the invention.
Fig. 2 is the shape assumption diagram of recovery capsule of the invention.
Fig. 3 is the center force transferring structure figure one of " dry " font of the invention.
Fig. 4 is the center force transferring structure figure two of " dry " font of the invention.
Fig. 5 is the scheme of installation of adjustment gasket of the invention.
Fig. 6 is transition bracket of the invention, support base, platform and umbrella cabin device connection schematic diagram.
Wherein, 1- head capsule, 2- stabilizing skirt, 3- skirt bottom, 4- fascia panel, 5- transition bracket, 6- support base, 7- platform, 8- umbrella
Cabin device, 9- pull rod, 10- adjust gasket.
Specific embodiment
The present invention will now be described in detail with reference to the accompanying drawings and examples.
The present invention provides a kind of main force support structures that recovery capsule is reentered suitable for ballistic, referring to attached drawing 1-6, comprising:
Head capsule 1, stabilizing skirt 2, skirt bottom 3, fascia panel 4, transition bracket 5, support base 6, platform 7, umbrella cabin device 8, pull rod 9 and adjustment gasket
10；
The head capsule 1 is to dock the shell formed by frustum and segment, wherein the bottom surface of segment and the small end pair of frustum
It connects；
The stabilizing skirt 2 is pyramidal shell, is machined with three and stabilizing skirt along its axial direction in the inner peripheral surface of stabilizing skirt 2
2 coaxial annular convex platform, respectively the upper end frame of stabilizing skirt 2, intermediate-frame and bottom end frame；The upper end frame, intermediate-frame and
Bottom end frame is used for the connection of load component and stabilizing skirt 2；
The skirt bottom 3 is inverted ball missing shape shell, is machined with coaxial circumferential notch at the top of ball missing shape shell；
The platform 7 is made of two pieces of semi-circular plate docking, is machined with axially extending bore on platform 7；
The fascia panel 4, transition bracket 5, support base 6, platform 7 material be all made of casting magnesium alloy, have low-density, height
The characteristics of intensity；
The umbrella cabin device 8 is used for after recovery capsule enters atmosphere, is released a parachute and is subtracted to the cabin of recovery capsule
Speed；One end of umbrella cabin device 8 is installation end, and the other end is umbrella end, and the end face at the umbrella end out is processed as spherical surface；The spherical surface
It is identical as the radian at skirt bottom 3；
Integrated connection relationship is as follows: the big end of 1 frustum of head capsule passes through the upper end frame of stabilizing skirt 2 and the small end pair of stabilizing skirt 2
It connects, skirt bottom 3 is docked by the bottom end frame of stabilizing skirt 2 with the big end of stabilizing skirt 2；Head capsule 1, stabilizing skirt 2 and skirt bottom 3 form recovery capsule
Contour structures；
Fascia panel 4 is located in head capsule 1, and is fixed on stabilizing skirt 2 by six supporting legs being distributed uniformly and circumferentially
Upper end frame on, supporting leg is equipped with heat insulating mattress with the place of docking of upper end frame, and the heat insulating mattress not only played a supportive role, but carry out every
Heat；The bottom surface of fascia panel 4 is coaxially installed with transition bracket 5；The contact surface of fascia panel 4 and transition bracket 5 is equipped with adjustment gasket
10, the adjustment gasket 10 is used to adjust the connection dimension of the components of installation along the vertical direction, guarantees entire dimension chain essence
Degree adjusts the thickness of gasket 10 according to the components (i.e. transition bracket 5 and umbrella cabin device 8) by installation along the vertical direction
Size acceptance is adjusted；
Platform 7 by being connect along equally distributed eight supporting legs of its circumferencial direction with the intermediate-frame of stabilizing skirt 2, supporting leg with
The contact position of intermediate-frame is equipped with heat insulating mattress；7 upper surface of platform is fixed with eight support bases 6 being circularly and evenly distributed, and eight
A support base 6 and the coaxial distribution of platform 7；The top of eight support bases 6 is connect with the flange in the bottom of transition bracket 5；
After the installation end of umbrella cabin device 8 passes through the axially extending bore of platform 7, the upper flange of installation end and eight support bases 6
Top and transition bracket 5 flange in the bottom connection, wherein the upper flange is located at top and the transition bracket 5 of support base 6
Between the contact surface of flange in the bottom, umbrella end is equally distributed upwards by circumferentially direction after the bottom end frame of stabilizing skirt 2 out
It is inclined outwardly four pull rods 9 to connect with the bottom end frame of stabilizing skirt 2, the pull rod 9 plays side Auxiliary support tensioning function；Umbrella cabin dress
It sets the spherical surface that 8 go out umbrella end to match with the circumferential notch at skirt bottom 3, and the circumferential notch at skirt bottom 3 is closed；
The fascia panel 4, transition bracket 5, support base 6, platform 7, umbrella cabin device 8, pull rod 9 and adjustment gasket 10 constitute
The center force transferring structure of " dry " font.
Assembling process is as follows:
The first step is just setting the stabilizing skirt 2 (i.e. the small end of stabilizing skirt 2 is located at upside) of recovery capsule, by transition bracket 5 and adjustment
After gasket 10 is installed on fascia panel 4, fascia panel 4 is installed to the upper end frame of stabilizing skirt 2, and fascia panel 4 and stabilizing skirt 2 it
Between heat insulating mattress is installed；
Second step, the stabilizing skirt 2 (i.e. the big end of stabilizing skirt 2 is located at upside) for the recovery capsule that flips upside down, by eight support bases 6
After being mounted on platform 7, first a semi-circular plate of platform 7 is mounted on the intermediate-frame of stabilizing skirt 2, then by umbrella cabin device
8 upper flange is connect with transition bracket 5；Another semi-circular plate of platform 7 is installed to the intermediate-frame of stabilizing skirt 2 again；Finally,
Support base 6 is connect simultaneously with the upper flange of umbrella cabin device 8 and transition bracket 5；
Four pull rods 9 that umbrella cabin device 8 goes out umbrella end are installed in place by third step, and the length of pull rod 9 can be adjusted,
It is adjusted to reasonable tight degree (not having biggish erection stress while tension)；
4th step installs skirt bottom 3, and the spherical surface for making umbrella cabin device 8 go out umbrella end is matched with the circumferential notch at skirt bottom 3；
5th step overturns the stabilizing skirt 2 of recovery capsule, head capsule 1 is installed in place.
In conclusion the above is merely preferred embodiments of the present invention, being not intended to limit the scope of the present invention.
All within the spirits and principles of the present invention, any modification, equivalent replacement, improvement and so on should be included in of the invention
Within protection scope.
Claims (5)
1. a kind of main force support structure for reentering recovery capsule suitable for ballistic characterized by comprising head capsule (1), stabilizing skirt
(2), skirt bottom (3), fascia panel (4), transition bracket (5), support base (6), platform (7), umbrella cabin device (8) and pull rod (9)；
The head capsule (1) is to dock the shell formed by frustum and segment, wherein is docked with the small end of frustum the bottom surface of segment；
The stabilizing skirt (2) is pyramidal shell, is machined with three and stabilizing skirt along its axial direction in the inner peripheral surface of stabilizing skirt (2)
(2) upper end frame, intermediate-frame and the bottom end frame of coaxial annular convex platform, respectively stabilizing skirt (2)；
The skirt bottom (3) is inverted ball missing shape shell, is machined with coaxial circumferential notch at the top of ball missing shape shell；
Axially extending bore is machined on the platform (7)；
The umbrella cabin device (8) is used for after recovery capsule enters atmosphere, releases a parachute and slows down to the cabin of recovery capsule；
One end of umbrella cabin device (8) is installation end, and the other end is umbrella end, and the end face at the umbrella end out is processed as spherical surface；The spherical surface
It is identical as the radian of skirt bottom (3)；
Integrated connection relationship is as follows: the big end of head capsule (1) frustum passes through the upper end frame of stabilizing skirt (2) and the small end of stabilizing skirt (2)
Docking, skirt bottom (3) are docked by the bottom end frame of stabilizing skirt (2) with the big end of stabilizing skirt (2)；Head capsule (1), stabilizing skirt (2) and skirt
The contour structures of bottom (3) formation recovery capsule；
Fascia panel (4) is located in head capsule (1), and the supporting leg by being distributed uniformly and circumferentially is fixed on stabilizing skirt (2)
On the frame of upper end；The bottom surface of fascia panel (4) is coaxially installed with transition bracket (5)；
Platform (7) passes through the supporting leg being distributed uniformly and circumferentially and connect with the intermediate-frame of stabilizing skirt (2), table on platform (7)
Face is fixed with the support base (6) being circularly and evenly distributed；The top of support base (6) is connect with the flange in the bottom of transition bracket (5)；
After the installation end of umbrella cabin device (8) passes through the axially extending bore of platform (7), upper flange and support base (6) of installation end
The flange in the bottom of top and transition bracket (5) connection, wherein the upper flange is located at top and the transition bracket of support base (6)
(5) between the contact surface of flange in the bottom；Umbrella end is uniformly distributed after the bottom end frame of stabilizing skirt (2) by circumferentially direction out
The pull rod (9) being inclined outwardly upwards connect with the bottom end frame of stabilizing skirt (2)；Umbrella cabin device (8) goes out spherical surface and the skirt bottom at umbrella end
(3) circumferential notch matches, and the circumferential notch of skirt bottom (3) is closed.
2. a kind of main force support structure for reentering recovery capsule suitable for ballistic as described in claim 1, which is characterized in that also wrap
Adjustment gasket (10) is included, adjustment gasket (10) is mounted between fascia panel (4) and the contact surface of transition bracket (5).
3. a kind of main force support structure for reentering recovery capsule suitable for ballistic as described in claim 1, which is characterized in that described
Supporting leg is separately installed with heat insulating mattress with the contact position at the place of docking of upper end frame and supporting leg and intermediate-frame.
4. a kind of main force support structure for reentering recovery capsule suitable for ballistic as described in claim 1, which is characterized in that described
Platform (7) is made of two pieces of semi-circular plate docking.
5. a kind of main force support structure for reentering recovery capsule suitable for ballistic as described in claim 1, which is characterized in that described
Fascia panel (4), transition bracket (5), support base (6), platform (7) material be all made of casting magnesium alloy.
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| CN201610842048.6A CN106428634B (en) | 2016-09-22 | 2016-09-22 | A kind of main force support structure reentering recovery capsule suitable for ballistic |
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| CN201610842048.6A CN106428634B (en) | 2016-09-22 | 2016-09-22 | A kind of main force support structure reentering recovery capsule suitable for ballistic |
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| CN106428634B true CN106428634B (en) | 2018-12-18 |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107505799B (en) * | 2017-09-18 | 2020-04-10 | 北京空间飞行器总体设计部 | Concentrated point type stressed load supporting structure |
| CN108128483B (en) * | 2017-12-07 | 2021-05-18 | 北京空间技术研制试验中心 | Space station material descending aircraft |
| CN109050873A (en) * | 2018-08-31 | 2018-12-21 | 上海宇航系统工程研究所 | A kind of aircraft section structure with large size opening |
| CN114715442B (en) * | 2022-04-18 | 2023-01-10 | 北京理工大学 | Nose cone structure of manned spacecraft |
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| JP2634255B2 (en) * | 1989-10-18 | 1997-07-23 | 宇宙開発事業団 | Metal TPS airframe mounting device for spacecraft |
| CN104290928A (en) * | 2014-10-27 | 2015-01-21 | 北京空间飞行器总体设计部 | Landing load buffering support |
| CN105480435A (en) * | 2015-12-02 | 2016-04-13 | 上海宇航系统工程研究所 | Large honeycomb sandwich bearing cylinder |
| CN205221138U (en) * | 2015-09-21 | 2016-05-11 | 上海卫星工程研究所 | Integrative heat -transmission accuse device of outer load section of thick bamboo aircraft |
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|---|---|---|---|---|
| JP2634255B2 (en) * | 1989-10-18 | 1997-07-23 | 宇宙開発事業団 | Metal TPS airframe mounting device for spacecraft |
| CN104290928A (en) * | 2014-10-27 | 2015-01-21 | 北京空间飞行器总体设计部 | Landing load buffering support |
| CN205221138U (en) * | 2015-09-21 | 2016-05-11 | 上海卫星工程研究所 | Integrative heat -transmission accuse device of outer load section of thick bamboo aircraft |
| CN105480435A (en) * | 2015-12-02 | 2016-04-13 | 上海宇航系统工程研究所 | Large honeycomb sandwich bearing cylinder |
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