CN107933976A - Cube star ejector and its catapult technique - Google Patents
Cube star ejector and its catapult technique Download PDFInfo
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- CN107933976A CN107933976A CN201711394762.4A CN201711394762A CN107933976A CN 107933976 A CN107933976 A CN 107933976A CN 201711394762 A CN201711394762 A CN 201711394762A CN 107933976 A CN107933976 A CN 107933976A
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- hatchcover
- nacelle
- ejection
- ejector
- cube
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- 238000012360 testing method Methods 0.000 claims description 5
- 230000005611 electricity Effects 0.000 claims description 3
- 238000000926 separation method Methods 0.000 description 8
- 230000006835 compression Effects 0.000 description 5
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- 239000013013 elastic material Substances 0.000 description 3
- 238000004880 explosion Methods 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 238000005422 blasting Methods 0.000 description 2
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- 230000008676 import Effects 0.000 description 2
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Classifications
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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
- B64G1/64—Systems for coupling or separating cosmonautic vehicles or parts thereof, e.g. docking arrangements
- B64G1/645—Separators
Abstract
The present invention provides a kind of cube star ejector, including：The nacelle can be separated to form multiple ejection grooves, have ejector rail in the nacelle by shell structure, including nacelle, hatchcover and compoboard, the compoboard；Multiple ejection structures, the ejection structure include helical spring and ejection supporting plate, and the ejection supporting plate is used to carry cube star, and can be slided along the ejector rail；And the cross sectional shape of the helical spring is in polygon；And latch-up structure, it is arranged in the shell structure, for locking or unlocking the hatchcover and the nacelle；The latch-up structure unlocks the hatchcover and the nacelle, and the hatchcover is opened to predetermined angle, and the helical spring drives the ejection supporting plate to be slided along the ejector rail and launches cube star.While avoiding producing damage in itself to a cube star, cube star of sizes is launched, increases the versatility of cube star ejector.The present invention also provides the catapult technique of a kind of cube of star.
Description
Technical field
The present invention relates to satellite launch technical field, more particularly to a kind of cube star ejector and its catapult technique.
Background technology
The separate mode that the separation of conventional satellite and carrier rocket is often combined using band and blasting bolt.This separation
Technology is more mature, also widely used on large satellite, however fire attack device explosion moment there may be fine particles, these
After fine particles enter satellite, if optical frames is first-class, the device of satellite can be caused greatly to damage, in addition blasting bolt
Explosive forces may influence whether the release of cube star.The release of cube star of current below 12U all generally uses are special
The ejector of system realizes the On-orbit release of satellite, and versatility is very poor, in addition for 12U ejector mainly using import or
Person utilizes the method for releasing the same with moonlet, extremely waste of resource.
The content of the invention
Based on this, it is necessary to for the explosion for use fire attack device at present realize the separation of cube star cause cube star to damage with
And influence ejection and the problem of poor universality, there is provided one kind is realized cube star safe separating, is avoided damage to, and can launch
Sizes cube star, cube star ejector for increasing versatility, while also provide a kind of using above-mentioned cube of star ejector
Catapult technique.
Above-mentioned purpose is achieved through the following technical solutions：
A kind of cube star ejector, including：
Shell structure, including nacelle, the hatchcover of the nacelle can be opened or closed and be detachably arranged at the cabin
The nacelle can be separated to form multiple ejection grooves by the compoboard in body, the compoboard, be had in each ejection groove
There is ejector rail；
Multiple ejection structures, respectively in multiple ejection grooves；The ejection structure includes helical spring and ejection
The bottom of the nacelle is fixed in supporting plate, one end of the helical spring, and the other end of the helical spring fixes the ejection
Supporting plate, the ejection supporting plate is used to carry cube star, and can be slided along the ejector rail；And section of the helical spring
Face shape is in polygon；And
Latch-up structure, is arranged in the shell structure, for locking or unlocking the hatchcover and the nacelle；
The latch-up structure unlocks the hatchcover and the nacelle, and the hatchcover is opened to predetermined angle, the spiral shell
Rotation spring drives the ejection supporting plate to be slided along the ejector rail and launches cube star.
In one of the embodiments, the compoboard includes column and four partition plates being installed on the column, institute
The bottom that column is mounted at the nacelle is stated, four partition plates are respectively arranged on the column, and by described in
Nacelle is separated into four ejection grooves；
The ejection supporting plate can be slided along the corresponding ejection slide.
In one of the embodiments, described cube of star ejector further includes hatchcover self-locking structure and guide rail locking structure,
The hatchcover self-locking structure connects the hatchcover and the nacelle, is opened for locking to the hatchcover of predetermined angle；
The guide rail locking structure is extended or the ejector rail of retracting, the hatchcover self-locking structure are embraced with the guide rail
Fast knot structure links；
After the hatchcover self-locking structure locks the hatchcover, the guide rail locking structure retraction ejector rail is described
Ejection supporting plate can slide along the ejector rail and launch cube star.
In one of the embodiments, described cube of star ejector further includes STATEMENT OF FEDERALLY SPONSORED, the hatchcover self-locking structure and institute
State guide rail locking structure and realization linkage is connected by the STATEMENT OF FEDERALLY SPONSORED.
In one of the embodiments, there is opening, the guide rail locking structure is opened positioned at described in the ejector rail
At mouthful；
The guide rail locking structure is stretched out, and the guide rail locking structure protrudes from the ejector rail and limits the ejection
Supporting plate；
The guide rail locking structure is retracted, the guide rail locking structure and the coplanar setting of the ejector rail, the ejection
Supporting plate can skid off the nacelle along the ejector rail.
In one of the embodiments, the hatchcover self-locking structure includes special-shaped wheel, and the special-shaped wheel connects the hatchcover
With the nacelle；
The guide rail locking structure includes delivery arm and the limiting section being connected with the delivery arm, and the STATEMENT OF FEDERALLY SPONSORED connects institute
The ejection structure can be limited by stating special-shaped wheel and the delivery arm, the limiting section；
The hatchcover is opened and drives the special-shaped wheel movement, and the hatchcover is opened to predetermined angle, the STATEMENT OF FEDERALLY SPONSORED
It is arranged on the special-shaped wheel, and drives the delivery arm and the limiting section to discharge the ejection structure.
In one of the embodiments, the helical spring is rectangular coil spring, and, the section ruler of the helical spring
It is very little gradually to increase from one end away from the ejection supporting plate to close to one end of the ejection supporting plate.
In one of the embodiments, the latch-up structure includes electromagnetic mechanism and electromagnetism and latches, the electromagnetic mechanism with
The electromagnetic lock button is respectively arranged on the nacelle and the hatchcover, and the electromagnetic mechanism is locked with the electromagnetism snap fit
Or the unlock hatchcover and the nacelle；
The electromagnetic mechanism includes electromagnetism lock box and the electromagnetic lock being arranged in the electromagnetism lock box and locking bearing, institute
State electromagnetism lock box to be arranged in the nacelle, the electromagnetic lock fastener has sticking department, and is arranged on the hatchcover；
The locking bearing, which can block, sets or departs from the sticking department, to lock or unlock the hatchcover and the cabin
Body；The electromagnetic lock can discharge the locking bearing after being powered, and the locking bearing is departed from the sticking department.
In one of the embodiments, the shell structure further includes switch shaft and the opening being sheathed on the switch shaft
Spring, the switch shaft are rotatablely connected the hatchcover and the nacelle；
The latch-up structure unlocks the nacelle and the hatchcover, and the hatchcover is automatic under the action of the opening spring
Open；
One surface of the hatchcover towards the nacelle protrudes above setting compressed part, and the compressed part is used to compress the cabin
Cube star described in body；
The compressed part is elastomeric element；
The nacelle has multiple viewing hoods for being used to test, and multiple viewing hoods are removable by connector respectively
That unloads is installed on the outside of the nacelle.
A kind of catapult technique of cube of star ejector, cube star ejector stated applied to such as any of the above-described technical characteristic,
The catapult technique includes the following steps：
Cube star enters planned orbit；
Cube star ejector unlocks hatchcover and nacelle after receiving ejection signal；
After opening the hatchcover to predetermined angle, lock the hatchcover and unlock ejector rail；
Ejection supporting plate skids off the nacelle along the ejector rail, and described cube of star is ejected the nacelle.
In one of the embodiments, the catapult technique further includes following steps：
Compoboard is installed in the nacelle, described cube of star ejector launches cube star described in more at the same time；
The compoboard in the nacelle is removed, described cube of star ejector launches a cube of star.
After adopting the above technical scheme, beneficial effects of the present invention are：
Cube star ejector and its catapult technique of the present invention, a cube star are positioned on ejection supporting plate and compress spiral bullet
Spring, hatchcover is covered in nacelle, and is locked by latch-up structure and hatchcover is locked in nacelle；During ejection, latch-up structure solution
Lock nacelle causes hatchcover to open nacelle with hatchcover, and helical spring stretches under its own resilient force and drives ejection supporting plate fortune
It is dynamic so that cube star on ejection supporting plate is ejected from nacelle；Cube star ejector of the present invention uses cross sectional shape to be polygon
The helical spring of shape has larger lateral stability as a cube power source for star ejection；It is effective to solve at present using fire
The problem of separation of cube star causes cube star damage and influences ejection is realized in the explosion for attacking device, to realize cube star safety
Separation, avoids producing damage in itself to cube star, while is also avoided that the influence that impact force produces cube star, ensures cube star
Safe ejection goes out cabin.Also, compoboard is detachably arranged in nacelle, small size cube can be placed in multiple ejection grooves
Star, realizes cube star for launching multiple small sizes；A large-sized cube of star can be placed after dismountable plate, in nacelle such as
12U, realizes the ejection of large scale cube star, can so increase a cube versatility for star ejector, make full use of resource, saves
Cost.
Brief description of the drawings
Fig. 1 is the structure diagram after the hatchcover of cube star ejector of one embodiment of the invention is opened；
Fig. 2 is the top view that compoboard is installed in the nacelle of cube star ejector shown in Fig. 1；
Fig. 3 be Fig. 1 shown in cube star ejector in helical spring top view；
Fig. 4 is the front view of the helical spring shown in Fig. 3；
Fig. 5 is hatchcover self-locking structure in cube star ejector shown in Fig. 1 and the connection diagram of guide rail locking structure；
Structure diagram when Fig. 6 unlocks for latch-up structure in cube star ejector shown in Fig. 1；
Structure diagram when Fig. 7 is the latch-up structure locking shown in Fig. 6；
Wherein：
100- cubes of star ejector；
110- shell structures；
111- nacelles；1111- ejector rails；1112- viewing hoods；
112- hatchcovers；1121- compressed parts；
113- switch shafts；
114- opens spring；
120- ejection structures；
121- helical springs；
122- launches supporting plate；
130- latch-up structures；
131- electromagnetic mechanisms；1311- electromagnetism lock boxes；1312- electromagnetic locks；1313- locks bearing；
132- electromagnetism latches；1321- sticking departments；
140- hatchcover self-locking structures；
150- guide rail locking structures；
160- compoboards；
161- columns；
162- partition plates.
Embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, by the following examples, and combine attached
Figure, is further elaborated cube star ejector and its catapult technique of the present invention.It is it should be appreciated that described herein
Specific embodiment only to explain the present invention, is not intended to limit the present invention.
Referring to Fig. 1, the present invention provides a kind of cube star ejector 100, this cube of star ejector 100 is used for ejection cube
Star so that a cube star ejects cabin, carries out space science research and education for university, for ocean, atmospheric environment, ship
The monitoring communication of oceangoing ship, aviation aircraft etc., aerial image, communication, atmospheric research, biological study, testing of new technique platform etc.
Aspect, has the characteristics that cost is low, functional density is big, the lead time is short, it is fast to enter the orbit.In general, 1 cubic unit star is referred to as 1U, 2
Cubic unit star is referred to as 2U, etc., does not illustrate one by one herein.When cube star enters outer space planned orbit, carrier rocket
Ejection signal can be sent to a cube star ejector 100 according to mission program, and will cube star ejection.Also, using this
Cube star ejector 100 of invention launches cube star, can realize a cube separation for star safety, avoid producing cube star in itself
Damage, while also it is avoided that the influence that impact force produces cube star, ensure that a cube star safe ejection goes out cabin.Meanwhile the present invention
Cube star ejector 100 it is applied widely, can be to the ejection for cube star for realizing various sizes, such as 1U, 1.5U；And
And, moreover it is possible to cube star of 12U is launched, resource is saved, reduces cost.
In the present invention, cube star ejector 100 includes shell structure 110, ejection structure 120 and latch-up structure 130.Shell
Body structure 110 plays storage, and most of structure of cube star ejector 100 and a cube star are respectively positioned in shell structure 110, with
Easy to which a cube luck is downloaded in the outer space.Latch-up structure 130 is arranged in shell structure 110, for locking or opening shell
Body structure 110.It is understood that cube star ejector 100 is both needed to be in closed before outer space planned orbit is entered
The problem of state, the problem of occurring not in orbit to avoid cube star and ejection failure, only entering the pre- orbit determination of the outer space
Prepare just to open during ejection behind road, to ensure that cube star can be ejected from shell structure 110.Ejection structure 120 is arranged at
In shell structure 110, for launching cube star.Cube championship in shell structure 110 and is positioned on ejection structure 120, bullet
Penetrate structure 120 and provide thrust to cube star, which is the ejection force of cube star so that cube star ejects safely, effectively keeps away
Exempt to explode by priming system and realize the separation of cube star, can avoid producing damage in itself to cube star, while be also avoided that punching
The influence that power produces cube star is hit, ensures that a cube star safe ejection goes out cabin.
Specifically, shell structure 110 includes nacelle 111 and can open or close the hatchcover 112 of nacelle 111.Hatchcover 112
After closing nacelle 111, shell structure 110 is in closed state；After hatchcover 112 opens nacelle 111, ejection structure 120 can incite somebody to action
Cube star is ejected from nacelle 111.Latch-up structure 130 is used to locking or unlocking hatchcover 112 and nacelle 111, to ensure hatchcover 112
Reliably it is covered in nacelle 111.Also, latch-up structure 130 unlocks hatchcover 112 and after nacelle 111, hatchcover 112 is opened to pre-
If after angle, ejection structure 120 can eject cube star from nacelle 111；If the angle that hatchcover 112 is opened is less than or equal to
Predetermined angle, at this time 120 ejection failure cube star of ejection structure.In carry process, latch-up structure 130 all the time by hatchcover 112 with
Nacelle 111 locks so that hatchcover 112 is covered in nacelle 111, avoids a cube star from going out cabin；During ejection, latch-up structure 130 unlocks
Hatchcover 112 and nacelle 111 so that hatchcover 112 is opened relative to nacelle 111, moreover, after hatchcover 112 is opened to predetermined angle,
Ejection structure 120 ejects cube star from nacelle 111, the ejection of cube star is realized, to avoid between cube star and hatchcover 112
Collide with, avoid a cube star damage.Exemplary, nacelle 111 is set in hollow cuboid, and its one end has opening, is launched
Structure 120 is arranged in hollow cuboid, and hatchcover 112 is covered on opening, to close the nacelle 111 in cuboid.Certainly,
In the other embodiment of the present invention, the shapes such as nacelle 111 can be also in the form of a column are set.
Referring to Fig. 1 and Fig. 2, moreover, shell structure 110 further includes the detachable compoboard 160 being arranged in nacelle 111,
Nacelle 111 can be separated to form multiple ejection grooves by compoboard 160.Since compoboard 160 is detachably set, when compoboard 160
After being installed in nacelle 111, the space in nacelle 111 can be separated into multiple small spaces by compoboard 160, be multiple ejections
Groove, each launch is used equally for placing cube star being adapted with ejection groove size or less than ejection groove size in groove, such as small
Cube star 1U, 1.5U of size etc.；After compoboard 160 is disassembled from nacelle 111, or in nacelle 111 directly
Compoboard 160 is not installed, cube star such as 12U etc. of large-size can be placed at this time, in nacelle 111.In this way, the present invention
Cube star ejector 100 in nacelle 111 by setting dismountable compoboard 160, to realize the bullet of different size cube stars
Penetrate, increase the scope of application of cube star ejector 100, while can also realize the ejection of cube star of 12U, save resource.
Alternatively, nacelle 111 has multiple viewing hoods 1112 for being used to test, and multiple viewing hoods 1112 pass through respectively
Connector is mounted at the outside of nacelle 111.Further, multiple viewing hoods 1112 are respectively arranged at nacelle 111
Two sides, and multiple viewing hoods 1112 are arranged in column in 111 both sides of nacelle.In the present embodiment, the both sides of nacelle 111
Three pieces of viewing hoods 1112 are set respectively., can be by opening 111 liang of nacelle during test also, connector is threaded connector
The connector and viewing hood 1112 of side is tested.
Referring to Fig. 1, Fig. 4 and Fig. 5, ejection structure 120 includes helical spring 121 and ejection supporting plate 122, helical spring 121
One end be fixed on the bottom of nacelle 111, the other end of helical spring 121 fixes ejection supporting plate 122, and ejection supporting plate 122 is used for
Cube star is carried, and launches cube star.Latch-up structure 130 unlocks hatchcover 112 and nacelle 111, and hatchcover 112 is opened to preset angle
After degree, helical spring 121 drives ejection supporting plate 122 to launch cube star.The compressible setting in nacelle 111 of helical spring 121, stands
When square star loads, a cube star is positioned on ejection supporting plate 122, and applies active force to cube star, with compression helical spring
121, then hatchcover 112 is covered in nacelle 111, and hatchcover 112 and nacelle 111 are locked by latch-up structure 130.When cube
When star enters outer space planned orbit, carrier rocket installation desired guiding trajectory control latch-up structure 130 unlocks hatchcover 112 and nacelle
111, then hatchcover 112 is opened and to after predetermined angle, helical spring 121 can stretch under the effect of natural resiliency power, and band
Dynamic elasticity pallet gradually stretches out so that cube star is released nacelle 111 by spring planet, realizes that a cube star safe ejection goes out cabin.
Also, the cross sectional shape of helical spring 121 is in polygon.It is understood that the side number of polygon is more than or equal to
Four.So thrust of the elastic force of helical spring 121 as cube star so that cube star can be ejected smoothly from nacelle 111,
Moreover, helical spring 121 has larger cross force, ensure the stability in cube star ejection process, and then ensure cube star
The reliability of ejection so that on the planned orbit that cube star accurately launches.Launch the shape of supporting plate 122 and cutting for nacelle 111
Face shape is adapted, to ensure that helical spring 121 drives ejection supporting plate 122 to stretch out or retract in nacelle 111.Alternatively, bullet
Penetrating has multiple lightening holes on supporting plate 122, which is used for the weight for mitigating ejection supporting plate 122, so that helical spring
121 thrust is largely acted on cube star, reduces energy loss.
In addition, ejection structure 120 further includes fixing piece, nacelle 111 is fixed in one end of helical spring 121 by fixing piece
Bottom, the other end of helical spring 121 is fixedly connected by fixing piece with ejection supporting plate 122.Spiral bullet can so be avoided
Spring 121 departs from and influences the ejection of cube star so that the thrust that helical spring 121 produces can accurately act on a cube star
On, ensure a cube accuracy for star ejection.Exemplary, fixing piece includes screw element and/or fixinig plate, and helical spring 121 passes through
Screw element and/or fixinig plate are fixed in nacelle 111 or launch on supporting plate 122, ensure that helical spring 121 is reliably fixed.
In the present embodiment, one end of helical spring 121 is fixed on the bottom of nacelle 111, the other end of helical spring 121 by fixinig plate
It is fixedly connected by screw element with ejection supporting plate 122.
Certainly, in the other embodiment of the present invention, helical spring 121 can also be fixed by structures such as pillar, grooves
Or fixed by adhesive means.
Further, the sectional dimension of helical spring 121 is from one end away from ejection supporting plate 122 to close to ejection supporting plate
122 one end gradually increases.After helical spring 121 compresses, helical spring 121 is in same plane.That is, helical spring
It is in the structure similar to taper after 121 stretching, extensions, after helical spring 121 compresses, each ring layer layer of helical spring 121 is arranged and is located at
In same plane.After helical spring 121 is set using the above structure, be conducive to save space, also, there is stronger carrying energy
Power, then ensures to produce larger thrust, to eject cube star from nacelle 111 when ensureing and launching.It is exemplary, helical spring
121 be rectangular coil spring 121.It is a rectangle frame i.e. after the compression of rectangular coil spring 121, rectangular coil spring 121 can
With larger lateral stability.
In addition, having ejector rail 1111 in nacelle 111, ejector rail 1111 is engaged with ejection supporting plate 122, by bullet
Supporting plate 122 is penetrated to be limited in nacelle 111.Latch-up structure 130 unlocks hatchcover 112 and nacelle 111, and hatchcover 112 is opened to default
After angle, helical spring 121 drives ejection supporting plate 122 to be slided along ejector rail 1111 and launch a cube star.During ejection, ejection support
Plate 122 can be slided along ejector rail 1111.It can so ensure the running orbit of ejection supporting plate 122, avoid ejection supporting plate 122
Shift in nacelle 111 to the outside of ejector rail 1111, and then ensure that ejection supporting plate 122 launches the accurate of cube star
Property so that cube star can be exactly into planned orbit.Exemplary, the quantity of ejector rail 1111 is multiple, and multiple ejections are led
Rail 1111 respectively positioned at four of nacelle 111 along at the seamed edge of direction of ejection, the junction of partition plate 162 and 111 inner wall of nacelle with
And the junction of partition plate 162 and column 161, four corners of ejection supporting plate 122 are engaged with ejector rail 1111, launch respectively
When, spring planet can be slided along ejector rail 1111；During loading, cube star enables to ejection supporting plate under external force
122 move along ejector rail 1111, and compression helical spring 121.Set it is preferred that the cross sectional shape of ejector rail 1111 is L-shaped
Put, the corner of ejection supporting plate 122 is abutted with the inner surface of L-type ejector rail 1111, to ensure the movement rail of ejection supporting plate 122
Mark.
Referring to Fig. 1 and Fig. 2, further, compoboard 160 includes column 161 and four partition plates being installed on column 161
162, column 161 is mounted at the bottom of nacelle 111, and four partition plates 162 are respectively arranged on column 161, and by cabin
Body 111 is separated into four ejection grooves.It is respectively provided with ejector rail 1111 in each ejection groove, ejection supporting plate 122 can be along corresponding
Slide is launched to slide.Column 161 is located at the central region of nacelle 111, and the bottom of column 161 is mounted at nacelle
111 bottom；Four partition plates 162 are arranged on column 161 in cross, nacelle 111 are separated into four ejection grooves, each
There is an ejection structure 120 in ejection groove, cube star in corresponding ejection groove is launched by corresponding ejection structure 120；When
After dismantling partition plate 162, nacelle 111 is a large space, and four ejection structures 120 can launch cube in nacelle 111 jointly
Star.It is exemplary, there is guide-track groove, ejector rail 1111 is installed in guide-track groove, and is consolidated by screw element in ejector rail 1111
On fixed and column 161.Certainly, the present invention other embodiment in, ejector rail 1111 may also comprise but be not limited to riveting,
The mode such as gluing is fixed.
The present invention cube star ejector 100 by the space in 160 nacelle 111 of compoboard be a large space also
It is to be separated into four ejection grooves, four after separation ejection grooves can accommodate cube star of small size respectively, such as 1U, 2U,
The nacelle 111 not separated can accommodate large-sized cube of star such as 12U, so enable to cube star ejector of the present invention
100 can launch cube star of various sizes, applied widely, meet the launch mission of cube star of 1U to 12U, moreover it is possible to realize
The launch mission that a variety of cubes of stars that total measurement (volume) is 12U combine；Also, since cube star of the present invention can also launch the vertical of 12U
Fang Xing, without import or utilizes the method for releasing the same with moonlet, to avoid the wasting of resources.
As a kind of embodiment, a cube star ejector 100 further includes hatchcover self-locking structure 140 and guide rail locking structure
150, hatchcover self-locking structure 140 connects hatchcover 112 and nacelle 111, is opened for locking to the hatchcover 112 of predetermined angle；Guide rail
Locking structure 150 is extended or retraction ejector rail 1111, hatchcover self-locking structure 140 link with guide rail locking structure 150；Hatchcover
After self-locking structure 140 locks hatchcover 112,150 retraction ejector rail 1111 of guide rail locking structure, ejection supporting plate 122 can be along bullet
Guide rail 1111 is penetrated to slide and launch a cube star.After hatchcover 112 is opened, hatchcover 112 is locked by hatchcover self-locking structure 140, is avoided
Play occurs for the position of hatchcover 112, ensures a cube reliability for star ejection so that cube star accurately enters planned orbit；Can also
Avoiding hatchcover 112 from colliding with a cube star causes cube star to damage, and realizes that a cube star goes out safely cabin.Guide rail locking structure 150
The movement of ejection structure 120 can be limited.It is understood that hatchcover 112 is during opening, guide rail locking structure 150
The movement of ejection structure 120 is limited, after hatchcover 112 is opened to predetermined angle, guide rail locking structure 150 no longer limits ejection knot
A cube star thereon can be ejected cabin by structure 120, at this time, ejection structure 120.That is, guide rail locking structure 150 can
Hatchcover 112 is avoided just to eject cube star in the ejection structure in a flash 120 of opening so that ejection structure 120 is passing through one section
Cube star is just launched after time, avoids cube star from colliding with hatchcover 112.
Also, hatchcover self-locking structure 140 links with guide rail locking structure 150.Hatchcover self-locking structure 140 locks hatchcover 112
Afterwards, hatchcover self-locking structure 140 can drive guide rail locking structure 150 to move so that guide rail locking structure 150 no longer limits ejection
Structure 120；If not arriving predetermined angle after the opening of hatchcover 112 always, at this time, guide rail locking structure 150 can limit ejection always
Structure 120 launches cube star, avoids the occurrence of the possibility that cube star collides with hatchcover 112；Moreover, hatchcover self-locking structure
After 140 locking hatchcovers 112, hatchcover self-locking structure 140 first drives guide rail locking structure 150 to compress ejection structure into nacelle 111
120, then guide rail locking structure 150 unclamp ejection structure 120 again so that ejection structure 120 will the pop-up of cube star, so can
Increase the ejection force of cube star, ensure cube star ejection accurately and reliably.Alternatively, predetermined angle refers to hatchcover 112 relative to cabin
The movement angle of body 111, the predetermined angle need >=110 °.In the present embodiment, predetermined angle >=130 °, that is to say, that hatchcover 112
After opening more than 130 °, guide rail locking structure 150 just can no longer limit the movement of ejection structure 120.
Guide rail locking structure 150 is extended or retraction ejector rail 1111.Guide rail locking structure 150 stretches out ejector rail
1111, guide rail locking structure 150 can limit the position of ejection structure 120, avoid ejection structure 120 from launching cube star；Guide rail
After 150 retraction ejector rail 1111 of locking structure, guide rail locking structure 150 no longer limits the position of ejection structure 120, at this time,
Ejection structure 120 can slide along ejector rail 1111 and launch a cube star.Also, hatchcover self-locking structure 140 and guide rail locking
After structure 150 links, 140 self-locking hatchcover 112 of hatchcover self-locking structure while, can drive guide rail locking structure 150 to retract ejection
Guide rail 1111；During hatchcover 140 unlocked hatchcover 112 of self-locking structure, guide rail locking structure 150 stretches out ejection structure 120 all the time.
Further, a cube star ejector 100 further includes STATEMENT OF FEDERALLY SPONSORED, hatchcover self-locking structure 140 and guide rail locking structure 150
Connected by STATEMENT OF FEDERALLY SPONSORED and realize linkage.It is preferred that STATEMENT OF FEDERALLY SPONSORED is spring pull rod in the present embodiment.That is, hatchcover self-locking
The movement of structure 140 drives guide rail locking structure 150 to move by spring pull rod so that guide rail locking structure 150 is stretched out or retracted.
Certainly, in the other embodiment of the present invention, also spring pull rod can be replaced by link mechanism.
Yet further, there is opening, guide rail locking structure 150 is located at opening in ejector rail 1111.Guide rail locking
Structure 150 is stretched out, and guide rail locking structure 150 protrudes from ejector rail 1111 and limits ejection supporting plate 122；Guide rail locking structure
150 retract, and guide rail locking structure 150 and 1111 coplanar setting of ejector rail, ejection supporting plate 122 can be slided along ejector rail 1111
Go out nacelle 111.Since the quantity of ejector rail 1111 is multiple, opened in one of ejector rail 1111 of each ejection groove
If opening can just limit the movement of ejection supporting plate 122 for housing guide rail locking structure 150.
It is preferred that hatchcover self-locking structure 140 includes special-shaped wheel, abnormal shape wheel connection hatchcover 112 and nacelle 111.Alternatively, it is different
The outer contour of type wheel is enclosed to set by the different circular arc of multistage radius to be formed.Moreover, having on special-shaped wheel fixed STATEMENT OF FEDERALLY SPONSORED is set for card
Card slot.In the present embodiment, the outer contour of special-shaped wheel is spliced by the circular arc of at least three sections different-diameters, and is taken turns in abnormal shape
Upper formation card slot.Guide rail locking structure 150 includes delivery arm and the limiting section being connected with delivery arm.One end connection of STATEMENT OF FEDERALLY SPONSORED passes
Arm is passed, the other end is flexibly connected with abnormal shape wheel.Alternatively, the top of STATEMENT OF FEDERALLY SPONSORED sets bearing, facilitates STATEMENT OF FEDERALLY SPONSORED and special-shaped wheel
Between movement.When hatchcover 112 is opened, hatchcover 112 can drive the opposite nacelle 111 of special-shaped wheel to move.Hatchcover 112 is opened and driven
Abnormal shape wheel movement, hatchcover 112 are opened to predetermined angle, and STATEMENT OF FEDERALLY SPONSORED is arranged on special-shaped wheel, and drives delivery arm and limiting section
Discharge ejection structure 120.Specifically：After hatchcover 112 is opened to predetermined angle, the bearing at the top of STATEMENT OF FEDERALLY SPONSORED is arranged in card slot
In, realize the locking of hatchcover 112；Meanwhile special-shaped wheel drives STATEMENT OF FEDERALLY SPONSORED to move downward, and delivery arm is driven to move downward, in this way,
Limiting section can drive 120 counter motion of ejection structure and discharge ejection structure 120 so that ejection structure 120 is by cube star bullet
Project cabin.
Exemplary, limiting section is angle steel piece device, cross sectional shape and size and the ejector rail 1111 of angle steel piece device
Cross sectional shape is consistent, and the size of angle steel piece device is also consistent with the size at 1111 upper shed of ejector rail.Guide rail is embraced
After fast knot structure 150 is retracted, limiting section is located in opening, and the surface of limiting section can be with the surface co-planar of ejector rail 1111, this
Sample, ejection structure 120 can be slided along ejector rail 1111 and limiting section, and realizing will cube star pop-up nacelle 111.Guide rail is embraced
After fast knot structure 150 stretches out, the surface of limiting section protrudes from the surface of ejector rail 1111, at this time, the end surface energy of limiting section
It is enough to be abutted with ejection structure 120, continue to move along ejector rail 1111 to limit ejection structure 120.Certainly, the present invention its
In his embodiment, guide rail locking structure 150 can also be catch or other can it is spacing to ejection structure 120 and retract open
Structure in mouthful.It is understood that since cube size of cube star of the ejection of star ejector 100 is different, if launching small ruler
During very little cube of star, guide rail locking structure 150 limits the position of ejection structure 120；If the size of cube star is larger, with nacelle
111 cross sectional shape is adapted, and at this time, guide rail locking structure 150 is abutted with the outer surface of cube star, to limit ejection structure
120 ejection cube stars.
As a kind of embodiment, shell structure 110 further includes switch shaft 113 and is sheathed on beating on switch shaft 113
Spring 114 is opened, switch shaft 113 is rotatablely connected hatchcover 112 and nacelle 111.Switch shaft 113 is rotatablely connected hatchcover 112 and nacelle 111
Opening and the closing of hatchcover 112, convenient operation can be facilitated.Latch-up structure 130 unlocks nacelle 111 and hatchcover 112, hatchcover 112
Automatically opened up under the action of spring 114 is opened.Exemplary, opening spring 114 is torsional spring, under the resilient force of torsional spring,
It can realize automatically opening up for hatchcover 112.Certainly, in the other embodiment of the present invention, it can be compression to open spring 114
Spring is made etc. of elastic material.Alternatively, connected between hatchcover 112 and nacelle 111 also by folding, facilitate hatchcover
112 opening and closing.
It is understood that in this one embodiment of the invention, the quantity of hatchcover 112 is two, and two hatchcovers 112
One side be rotatably fixed on the both sides that nacelle 111 is oppositely arranged respectively, that is, pass through above-mentioned switch shaft 113 and open spring
114 installations.So enable to two 112 collective effects of hatchcover to realize opening and the closing of nacelle 111, cabin can be facilitated
Lid 112 is opened.Correspondingly, the quantity of latch-up structure 130 is two, and nacelle 111 is corresponded to respectively and two hatchcovers 112 are set.
Further, a surface of hatchcover 112 towards nacelle 111, which protrudes above, sets compressed part 1121, and compressed part 1121 is used
In compressing cube star in nacelle 111.Compressed part 1121 can compress cube star, avoid cube star from being rocked in nacelle 111, protect
The reliability that card cube luck carries, avoids the performance of wobble effects cube star.Exemplary, compressed part 1121 can also be multiple
Pillar, multiple pillars are evenly distributed on hatchcover 112 towards on a surface of nacelle 111.Can so increase compressed part 1121 with
The contact area of cube star, while also ensure that cube star is uniformly contacted with compression ring, ensures cube star uniform force, avoid because
Cube star caused by unbalance stress tilts in nacelle 111, to ensure posture of cube star in nacelle 111, then ensures vertical
The accuracy of square star ejection.Certainly, in the other embodiment of the present invention, compressed part 1121 is the pressure that cross sectional shape is rectangle
Tight ring etc. structure.Alternatively, the altitude range that compressed part 1121 is protruded is 1mm~100mm.Again alternatively, compressed part 1121
For elastomeric element.Elastomeric element can be the spring made of elastic material, or the elastic made of elastic material.This
Sample, latch-up structure 130 unlocks hatchcover 112 and after nacelle 111, hatchcover 112 is under the resilient force of compressed part 1121 and beats
Open and automatically opened up under the resilient force of spring 114.Also, after hatchcover 112 opens predetermined angle, hatchcover self-locking structure 140
While hatchcover 112 are locked, guide rail locking structure 150 is retracted, and helical spring 121 drives ejection supporting plate 122 along ejector rail
1111 slide, and make a cube star pop-up nacelle 111.
Referring to Fig. 1, Fig. 6 and Fig. 7, as a kind of embodiment, latch-up structure 130 includes electromagnetic mechanism 131 and electromagnetism
Lock 132, electromagnetic mechanism 131 are respectively arranged on nacelle 111 and hatchcover 112 with electromagnetism lock 132, electromagnetic mechanism 131 and electricity
Magnetic padlock button 132 coordinates locking or unlock hatchcover 112 and nacelle 111.Electromagnetic mechanism 131 and the cooperation of electromagnetism lock 132 can make
Obtain and close or open between hatchcover 112 and nacelle 111.It is understood that electromagnetic mechanism 131 coordinates with electromagnetism lock 132
When locking hatchcover 112 with nacelle 111, closed between hatchcover 112 and nacelle 111, can realize the delivery of cube star at this time；When vertical
After Fang Xing enters outer space planned orbit, after cube star ejector 100 receives ejection signal, electromagnetic mechanism 131 is latched with electromagnetism
132 coordinate unlock hatchcover 112 and nacelle 111, and at this time, hatchcover 112 opens nacelle 111, also, when hatchcover 112 opens preset angle
After degree, hatchcover self-locking structure 140 locks hatchcover 112, and guide rail locking structure 150 is retracted by spring pull rod, with rear screw
Spring 121 drives ejection supporting plate 122 to be slided along ejector rail 1111, and is ejected cube star thereon by launching supporting plate 122
Nacelle 111.
Further, electromagnetic mechanism 131 includes electromagnetism lock box 1311 and the electromagnetic lock being arranged in electromagnetism lock box 1311
1312 are arranged in nacelle 111 with locking bearing 1313, electromagnetism lock box 1311, and electromagnetism lock 132 has sticking department 1321, and sets
It is placed on hatchcover 112.Locking bearing 1313, which can block, sets or departs from sticking department 1321, to lock or unlock hatchcover 112 and cabin
Body 111；Electromagnetic lock 1312 can discharge locking bearing 1313 after being powered, locking bearing 1313 is departed from sticking department 1321.Example
, electromagnetism lock 132 has two sticking departments 1321, correspondingly, locking bearing 1313 is also two, after the completion of loading, covers
Hatchcover 112, locking bearing 1313 blocks respectively to be set in corresponding sticking department 1321, to realize between hatchcover 112 and nacelle 111
Locking.After a cube star runs to planned orbit, carrier rocket can according to mission program by ejection signal be sent to by cube
Star ejector 100, after a cube star ejector 100 receives ejection signal, the electromagnetic lock 1312 in electromagnetism lock box 1311 is powered simultaneously
Release locking bearing 1313 so that locking bearing 1313 departs from the sticking department 1321 of electromagnetism lock 132, realizes hatchcover 112 and cabin
The unlock of body 111.Exemplary, sticking department 1321 is lock slots.
The present invention also provides the catapult technique of a kind of cube of star ejector 100, applied to cube star in above-described embodiment
Ejector 100, catapult technique includes the following steps：
Cube star enters planned orbit；
Cube star ejector 100 unlocks hatchcover 112 and nacelle 111 after receiving ejection signal；
After opening hatchcover 112 to predetermined angle, lock hatchcover 112 and unlock ejector rail 1111；
Ejection supporting plate 122 skids off nacelle 111 along ejector rail 1111, and will cube star pop-up nacelle 111.
When cube star enters outer space planned orbit, ejection signal can be sent to by carrier rocket according to mission program
By cube star ejector 100, ejector controls the electromagnetic mechanism 131 of latch-up structure 130 to be powered after receiving ejection signal, electromagnetic motor
Electromagnetic lock 1312 in structure 131 can discharge locking bearing 1313 after being powered so that locking bearing 1313 departs from electromagnetism lock 132
Sticking department 1321, realize the unlock of hatchcover 112 and nacelle 111.Then, the switch bullet of hatchcover 112 in switch shaft 113 and thereon
So that hatchcover 112 is beaten automatically under the action of the micro-elasticity power of compressed part 1121 under the resilient force of spring and on hatchcover 112
Open.After hatchcover 112 is opened to such as 130 ° of predetermined angle, hatchcover self-locking structure 140 locks hatchcover 112, and is drawn by spring
Bar releasing guide rail locking structure 150 so that guide rail locking structure 150 is retracted, and a cube star is released, ejection structure 120 it is spiral
Spring 121 stretches under its own resilient force, and drives ejection supporting plate 122 to be slided along ejector rail 1111, by cube star
Cabin is ejected, realizes that a cube star safe ejection goes out cabin.
Further, catapult technique further includes following steps：
Compoboard 160 is installed in nacelle 111, cube star ejector 100 launches more cube stars at the same time；
The compoboard 160 in nacelle 111 is removed, cube star ejector 100 launches a cube of star.
After installing compoboard 160 in nacelle 111, the partition plate 162 of compoboard 160 can be by the space in nacelle 111 point
Multiple ejection grooves are divided into, cube star of small size can be placed in each ejection groove；By the compoboard 160 in nacelle 111
After dismounting, nacelle 111 is reduced into a big space, can place a large-sized cube of star at this time, in nacelle 111.
After being coordinated by compoboard 160 and nacelle 111, can realize the various combinations of 1U~12U (such as 1 12U, 12 1U, 4 1U, 8
A 1.5U etc.) cube star ejection, it is applied widely.
Each technical characteristic of embodiment described above can be combined arbitrarily, to make description succinct, not to above-mentioned reality
Apply all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, the record scope of this specification is all considered to be.
Embodiment described above only expresses the several embodiments of the present invention, its description is more specific and detailed, but simultaneously
Therefore the limitation to the scope of the claims of the present invention cannot be interpreted as.It should be pointed out that for those of ordinary skill in the art
For, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to the guarantor of the present invention
Protect scope.Therefore, the protection domain of patent of the present invention should be determined by the appended claims.
Claims (10)
- A kind of 1. cube star ejector, it is characterised in that including：Shell structure, including nacelle, the hatchcover of the nacelle can be opened or closed and be detachably arranged in the nacelle Compoboard, the nacelle can be separated to form multiple ejection grooves by the compoboard, and bullet is respectively provided with each ejection groove Penetrate guide rail；Multiple ejection structures, respectively in multiple ejection grooves；The ejection structure includes helical spring and ejection supporting plate, The bottom of the nacelle is fixed in one end of the helical spring, and the other end of the helical spring fixes the ejection supporting plate, The ejection supporting plate is used to carry cube star, and can be slided along the ejector rail；And the cross sectional shape of the helical spring In polygon；AndLatch-up structure, is arranged in the shell structure, for locking or unlocking the hatchcover and the nacelle；The latch-up structure unlocks the hatchcover and the nacelle, and the hatchcover is opened to predetermined angle, the spiral bullet Spring drives the ejection supporting plate to be slided along the ejector rail and launches cube star.
- 2. according to claim 1 cube of star ejector, it is characterised in that the compoboard includes column and is installed on institute Four partition plates on column are stated, the column is mounted at the bottom of the nacelle, and four partition plates are set respectively In on the column, and the nacelle is separated into four ejection grooves；The ejection supporting plate can be slided along the corresponding ejection slide.
- 3. according to claim 1 or 2 cube of star ejector, it is characterised in that described cube of star ejector further includes cabin Lid self-locking structure and guide rail locking structure, the hatchcover self-locking structure connect the hatchcover and the nacelle, are opened for locking To the hatchcover of predetermined angle；The guide rail locking structure is extended or the ejector rail of retracting, the hatchcover self-locking structure and the guide rail locking knot Structure links；After the hatchcover self-locking structure locks the hatchcover, the guide rail locking structure retraction ejector rail, the ejection Supporting plate can slide along the ejector rail and launch cube star.
- 4. according to claim 3 cube of star ejector, it is characterised in that described cube of star ejector further includes linkage Part, the hatchcover self-locking structure are connected realization linkage with the guide rail locking structure by the STATEMENT OF FEDERALLY SPONSORED.
- 5. according to claim 3 cube of star ejector, it is characterised in that there is opening in the ejector rail, it is described Guide rail locking structure is located at the opening；The guide rail locking structure is stretched out, and the guide rail locking structure protrudes from the ejector rail and limits the ejection support Plate；The guide rail locking structure is retracted, the guide rail locking structure and the coplanar setting of the ejector rail, the ejection supporting plate The nacelle can be skidded off along the ejector rail.
- 6. according to claim 4 cube of star ejector, it is characterised in that the hatchcover self-locking structure includes special-shaped wheel, The special-shaped wheel connects the hatchcover and the nacelle；The guide rail locking structure includes delivery arm and the limiting section being connected with the delivery arm, and the STATEMENT OF FEDERALLY SPONSORED connection is described different Type wheel and the delivery arm, the limiting section can limit the ejection structure；The hatchcover is opened and drives the special-shaped wheel movement, and the hatchcover is opened to predetermined angle, and the STATEMENT OF FEDERALLY SPONSORED card is set Taken turns in the abnormal shape, and drive the delivery arm and the limiting section to discharge the ejection structure.
- 7. according to claim 1 cube of star ejector, it is characterised in that the helical spring is rectangular coil spring, And the sectional dimension of the helical spring is gradual to one end of the close ejection supporting plate from one end away from the ejection supporting plate Increase.
- 8. according to claim 1 cube of star ejector, it is characterised in that the latch-up structure includes electromagnetic mechanism and electricity Magnetic padlock button, the electromagnetic mechanism are respectively arranged on the nacelle and the hatchcover with the electromagnetic lock button, the electromagnetic mechanism The hatchcover and the nacelle are locked or unlocked with the electromagnetism snap fit；The electromagnetic mechanism includes electromagnetism lock box and the electromagnetic lock being arranged in the electromagnetism lock box and locking bearing, the electricity Magnetic padlock box is arranged in the nacelle, and the electromagnetic lock fastener has sticking department, and is arranged on the hatchcover；The locking bearing, which can block, sets or departs from the sticking department, to lock or unlock the hatchcover and the nacelle；Institute The locking bearing can be discharged by stating after electromagnetic lock is powered, and the locking bearing is departed from the sticking department.
- 9. according to claim 1 cube of star ejector, it is characterised in that the shell structure further includes switch shaft and set Opening spring on the switch shaft, the switch shaft are rotatablely connected the hatchcover and the nacelle；The latch-up structure unlocks the nacelle and the hatchcover, and the hatchcover is beaten automatically under the action of the opening spring Open；One surface of the hatchcover towards the nacelle protrudes above setting compressed part, and the compressed part is used to compress in the nacelle Described cube of star；The compressed part is elastomeric element；The nacelle has multiple viewing hoods for being used to test, and multiple viewing hoods are dismountable by connector respectively It is installed on the outside of the nacelle.
- 10. the catapult technique of a kind of cube of star ejector, is launched applied to such as claim 1 to 9 any one of them cube star Device, it is characterised in that the catapult technique includes the following steps：Cube star enters planned orbit；Cube star ejector unlocks hatchcover and nacelle after receiving ejection signal；After opening the hatchcover to predetermined angle, lock the hatchcover and unlock ejector rail；Ejection supporting plate skids off the nacelle along the ejector rail, and described cube of star is ejected the nacelle.
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| CN201711394762.4A CN107933976B (en) | 2017-12-21 | 2017-12-21 | Cube star catapult and catapulting method thereof |
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| CN111619830A (en) * | 2020-04-26 | 2020-09-04 | 上海宇航系统工程研究所 | Cube star release |
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| CN112319867A (en) * | 2020-10-29 | 2021-02-05 | 上海宇航系统工程研究所 | Ejection type connecting and separating integrated device |
| CN113291491A (en) * | 2021-07-16 | 2021-08-24 | 北京智星空间技术研究院有限公司 | Six-unit cubic micro-nano satellite main bearing structure |
| CN115837991A (en) * | 2023-01-10 | 2023-03-24 | 中国科学院微小卫星创新研究院 | Satellite storage and release mechanism and method |
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| CN107933976B (en) | 2023-11-17 |
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