CN109204890A - A kind of solar wing unlock unfolding mechanism - Google Patents
A kind of solar wing unlock unfolding mechanism Download PDFInfo
- Publication number
- CN109204890A CN109204890A CN201811365503.3A CN201811365503A CN109204890A CN 109204890 A CN109204890 A CN 109204890A CN 201811365503 A CN201811365503 A CN 201811365503A CN 109204890 A CN109204890 A CN 109204890A
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- China
- Prior art keywords
- hole
- hinge
- torsional spring
- celestial body
- screw
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 23
- 239000000758 substrate Substances 0.000 claims abstract description 20
- 230000006835 compression Effects 0.000 claims abstract description 17
- 238000007906 compression Methods 0.000 claims abstract description 17
- 239000002184 metal Substances 0.000 claims description 12
- 238000009434 installation Methods 0.000 claims description 8
- 230000004580 weight loss Effects 0.000 claims description 3
- 239000004744 fabric Substances 0.000 abstract description 4
- 238000012856 packing Methods 0.000 abstract description 2
- 238000005056 compaction Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000037452 priming Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- 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
- B64G1/42—Arrangements or adaptations of power supply systems
- B64G1/44—Arrangements or adaptations of power supply systems using radiation, e.g. deployable solar arrays
- B64G1/443—Photovoltaic cell arrays
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Remote Sensing (AREA)
- Aviation & Aerospace Engineering (AREA)
- Springs (AREA)
- Pivots And Pivotal Connections (AREA)
Abstract
The invention discloses a kind of solar wings to unlock unfolding mechanism, including fixed hinge (1), rotating hinge (2), hinge shaft (3), torsional spring (4), substrate (5), compact heap (6), celestial body (7), compression release pedestal (8), pin removal (9), support base (10), holddown spring (11), support rod (12).The mechanism compact appearance, structure is simple, easy to use, and compatibility is strong, it is not take up sun wing surface pieces of cloth region, the packing density of solar battery is improved, is unlocked by the mode of pulling pin, belongs to no damage type unlock, reusable, unlock impact is low, and experimentation cost is low.
Description
Technical field
The present invention relates to a kind of unlock unfolding mechanism, especially a kind of solar wing unlocks unfolding mechanism.
Background technique
Solar wing is a kind of device converted solar energy into electrical energy, is mainly used in spacecraft, and launching phase usually leans on
Hold together on celestial body surface, be unfolded after entering the orbit, since carrier environments are there are inevitable chatter, launching phase is needed the sun
The wing is pressed on celestial body, to protect solar wing not by flutter failure.Solar wing unlock unfolding mechanism common at present is such as
It described in 201710590910.3, is realized and is unlocked using firer's cutter cuts Kev drawstring, priming system can only be disposable, examination
Test at high cost, unlock impact is big, and the compression of Kev drawstring is complicated for operation, and state of weightlessness form is random, may cause hooks, reduction
Reliability is unfolded, hold-down mechanism runs through sun wing scale, and size and weight are larger, and occupies the solar energy pieces of cloth of sun wing surface
Region reduces the area of solar battery.
Summary of the invention
The purpose of the present invention is to provide a kind of compact-sized solar wings to unlock unfolding mechanism, is not take up sun wing surface
Cloth panel region promotes the packing density of solar battery.
The technical solution of the invention is as follows: a kind of solar wing unlock unfolding mechanism, it is characterised in that fixed hinge, rotation
Hinge, hinge shaft, torsional spring, substrate, compact heap, celestial body compress release pedestal, pin removal, support base, holddown spring, support rod；
The fixed hinge is " [" shape metalwork, " [" left end is equipped with the step surface for being parallel to paper direction, and step surface is equipped with screw
Hole, both ends protrusion are arranged with hinge hole up and down, and it is different that protrusion part turning at the two of vertical direction is equipped with radius
Fillet, the lesser fillet of radius is located at side where step surface, the torsional spring peace of left and right perforation is provided on the beam between protrusion point
Fill hole；
The upper and lower ends of the rotating hinge Wei " ╡ " shape metalwork , " ╡ " are equipped with the screw hole of left and right perforation, laterally protruding part
Lower section equipped with hinge hole up and down, the top and lower protrusion part that protrude above part is equipped with step surface, and protrusion divides it
Between beam on be provided with left and right perforation torsional spring mounting hole；
The hinge shaft is " ⊥ " shape metalwork, and vertical portion is articulated shaft, and lower end horizontal component is limited step, lower surface
Center is equipped with interior hexagonal step, and upper end was equipped with annular recess around articulated shaft one week；
Torsional spring is the metal torsional spring of conventionally form, and the convex section at torsional spring both ends is stretched out along with helix direction tangential；
Substrate is cuboid metal plate, and one end end face of plate is equipped with hinge and installs threaded hole, if side plate face be equipped with single boss,
Dry counterbore and several weight loss grooves, boss center are equipped with deep gouge, and deep gouge center is equipped with compact heap and installs threaded hole；
The compact heap is " fourth " shape metallic monolith body, and upper surface center is equipped with boss, and boss center is equipped with screw hole, lower surface
Center is equipped with groove, and groove is connected to screw hole, and lower part is equipped with the hook protruded in the horizontal direction, the upper surface of hook and level
Face is parallel；
The celestial body is polyhedron metal shell, and celestial body outer surface is equipped with hinge and installs threaded hole, and celestial body inner surface, which is equipped with, to be compressed
It discharges pedestal installation threaded hole, support base installation threaded hole, travel switch installation threaded hole, compress base location hole, support rod
Through hole, travel switch through hole, wherein support rod through hole and travel switch through hole are through-hole；
The compression release pedestal is cuboid metalwork, and lower surface is equipped with boss, and boss center is equipped with counterbore, and boss two sides are set
There is mounting flange, mounting flange is equipped with screw hole, and side is equipped with pin removal installation threaded hole and pin removal location hole, pin removal are fixed
Position hole is connected to counterbore；
The pin removal can be any pin pulling out device, and pin removal is equipped with mounting flange, and mounting flange is equipped with screw hole, pulls out
Selling device includes unlock pin；
The support base is " ⊥ " shape metalwork, and lower surface center is equipped with deep gouge, and upper surface center is logical equipped with what is be connected to deep gouge
Hole, two bulge of lower surface are divided into flange, and flange is equipped with screw hole；
The holddown spring is conventional structure metal compression springs；
The support rod is " ⊥ " shape metalwork；
Holddown spring is placed in the deep gouge of support base, and the lower part of support rod " ⊥ " is packed into deep gouge, and lower end surface connects with holddown spring
Touching, top pass through support rod through hole, support base and celestial body from celestial body interior direction and are connected by screw；Pin removal is released with compression
Pedestal is put to be connected by screw；Release pedestal and celestial body is compressed to be connected by screw；Fixed hinge and celestial body are connected by screw；It turns round
The both ends jag of spring is inserted into the torsional spring mounting hole on fixed hinge and rotating hinge respectively, and hinge shaft passes through fixed hinge and rotating hinge
On hinge hole and torsional spring, the limited step of hinge shaft is stuck in fixed hinge, and circlip is stuck in the ring of the hinge shaft other end
In shape groove；Rotating hinge and substrate are connected by screw；Compact heap and substrate are connected by screw.
The present invention has the advantages that
1. solar wing of the invention unlocks unfolding mechanism, compact-sized, it is not take up sun wing surface pieces of cloth region, improves the sun
The usable area of energy battery；
2. solar wing of the invention unlocks unfolding mechanism, unlocked by the mode of pulling pin, belongs to no damage type unlock, it is repeatable to make
With unlock impact is low, and experimentation cost is low；
3. solar wing of the invention unlocks unfolding mechanism, no flexible part, repetition compression convenient for unlocking is quick, nothing under state of weightlessness
Hook risk；
4. solar wing of the invention unlocks unfolding mechanism, pressing force is outside, can provide the power of auxiliary expansion, unlock after pulling pin
High reliablity is unfolded.
Detailed description of the invention
A kind of solar wing of Fig. 1 unlocks unfolding mechanism unfolded state outside drawing；
A kind of solar wing of Fig. 2 unlocks unfolding mechanism impaction state outside drawing；
Fig. 3 impaction state lower hinge outside drawing；
Fig. 4 unfolded state lower hinge outside drawing；
Supporting mechanism cross-sectional view under Fig. 5 impaction state；
Release device cross-sectional view under Fig. 6 impaction state；
A kind of solar wing of Fig. 7 unlocks unfolding mechanism application example impaction state outside drawing.
Specific embodiment
As shown in Fig. 1,2,3,4,5 and 6, a kind of solar wing unlock unfolding mechanism, it is characterised in that fixed hinge 1, rotating hinge
2, hinge shaft 3, torsional spring 4, substrate 5, compact heap 6, celestial body 7, compression release pedestal 8, pin removal 9, support base 10, holddown spring
11, support rod 12；
The fixed hinge 1 is " [" shape metalwork, " [" left end is equipped with the step surface for being parallel to paper direction, and step surface is equipped with screw
Hole, both ends protrusion are arranged with hinge hole up and down, and it is different that protrusion part turning at the two of vertical direction is equipped with radius
Fillet, the lesser fillet of radius is located at side where step surface, the torsional spring peace of left and right perforation is provided on the beam between protrusion point
Fill hole；
The upper and lower ends of the 2 Wei " ╡ of rotating hinge " shape metalwork , " ╡ " are equipped with the screw hole of left and right perforation, laterally protruding part
Lower section equipped with hinge hole up and down, the top and lower protrusion part that protrude above part is equipped with step surface, and protrusion divides it
Between beam on be provided with left and right perforation torsional spring mounting hole；
The hinge shaft 3 is " ⊥ " shape metalwork, and vertical portion is articulated shaft, and lower end horizontal component is limited step, following table
Face center is equipped with interior hexagonal step, and upper end was equipped with annular recess around articulated shaft one week；
Torsional spring 4 is the metal torsional spring of conventionally form, and the convex section at 4 both ends of torsional spring is stretched out along with helix direction tangential；
Substrate 5 is cuboid metal plate, and one end end face of plate is equipped with hinge and installs threaded hole, side plate face be equipped with single boss,
Several counterbores and several weight loss grooves, boss center are equipped with deep gouge, and deep gouge center is equipped with compact heap 6 and installs threaded hole；
The compact heap 6 is " fourth " shape metallic monolith body, and upper surface center is equipped with boss, and boss center is equipped with screw hole, following table
Face center is equipped with groove, and groove is connected to screw hole, and lower part is equipped with the hook protruded in the horizontal direction, the upper surface of hook and water
Plane is parallel；
The celestial body 7 is polyhedron metal shell, and celestial body outer surface is equipped with hinge and installs threaded hole, and celestial body inner surface, which is equipped with, to be compressed
Pedestal 8 is discharged threaded hole is installed, the installation of support base 10 threaded hole, travel switch installation threaded hole, compresses 8 location hole of pedestal, branch
12 through hole of strut, travel switch through hole, wherein support rod through hole and travel switch through hole are through-hole；
The compression release pedestal 8 is cuboid metalwork, and lower surface is equipped with boss, and boss center is equipped with counterbore, boss two sides
Equipped with mounting flange, mounting flange is equipped with screw hole, and side is equipped with pin removal 9 and installs threaded hole and 9 location hole of pin removal, pulls pin
Device location hole is connected to counterbore；
The pin removal 9 can be any pin pulling out device, and pin removal 9 is equipped with mounting flange, and mounting flange is equipped with screw hole,
Pin removal 9 includes unlock pin 9-1；
The support base 10 is " ⊥ " shape metalwork, and lower surface center is equipped with deep gouge, and upper surface center is equipped with and is connected to deep gouge
Through-hole, two bulge of lower surface are divided into flange, and flange is equipped with screw hole；
The holddown spring 11 is conventional structure metal compression springs；
The support rod 12 is " ⊥ " shape metalwork；
Holddown spring 11 is placed in the deep gouge of support base 10, and the lower part of support rod 12 " ⊥ " is packed into deep gouge, lower end surface and compression bullet
Spring contact, top pass through support rod through hole, support base 10 and celestial body 7 from 7 interior direction of celestial body and are connected by screw；Pin removal
9 are connected with compression release pedestal 8 by screw；Release pedestal 8 and celestial body 7 is compressed to be connected by screw；Fixed hinge 1 and celestial body 7
It is connected by screw；The both ends jag of torsional spring 4 is inserted into the torsional spring mounting hole on fixed hinge 1 and rotating hinge 2, hinge shaft respectively
3 pass through fixed hinge 1 and the hinge hole on rotating hinge 2 and torsional spring 4, and the limited step of hinge shaft 3 is stuck in fixed hinge 1, card
Spring is stuck in the annular recess of 3 other end of hinge shaft；Rotating hinge 2 and substrate 5 are connected by screw；Compact heap 6 and substrate 5 are logical
Screw is crossed to be connected.
The course of work
As shown in Figure 5, Figure 6, rotating hinge 2 around fixed hinge 1 to compaction direction turn to substrate 5 it is parallel with celestial body 7 when, compact heap 6
Compression on celestial body 7 discharges base location hole, and hook is stuck in the unlock pin of pin removal 9, the upper surface top of support rod 12
On 5 counterbore bottom surface of substrate, holddown spring 11 and torsional spring 4 are in compressive state, and substrate 5 is in impaction state, and pin removal is powered
When, unlock pin 9-1 is extracted, and substrate 5 is in release conditions, and substrate 5 is made by the torque of torsional spring 4 and the thrust of holddown spring 11
With, it is unfolded outward, when rotating hinge 2 turns to the angle of setting along expansion direction around fixed hinge 1, the step surface of rotating hinge 2 and solid
Surely 1 contact of hinge, to guarantee that expanded angle is accurate.
Claims (3)
1. a kind of solar wing unlocks unfolding mechanism, it is characterised in that fixed hinge (1), rotating hinge (2), hinge shaft (3), torsional spring
(4), substrate (5), compact heap (6), celestial body (7), compression release pedestal (8), pin removal (9), support base (10), holddown spring
(11), support rod (12)；
The fixed hinge (1) is that " [" shape metalwork, " [" left end is equipped with the step surface for being parallel to paper direction, and step surface is equipped with spiral shell
Nail hole, both ends protrusion are arranged with hinge hole up and down, and protrusion part turning at the two of vertical direction is equipped with radius not
Same fillet, the lesser fillet of radius are located at side where step surface, the torsional spring of left and right perforation are provided on the beam between protrusion point
Mounting hole；
The rotating hinge (2) Wei " ╡ " shape metalwork , " ╡ " upper and lower ends be equipped with the screw hole of left and right perforation, laterally protruding portion
It is arranged with hinge hole up and down, the lower section of the top and lower protrusion part that protrude above part is equipped with step surface, protrudes part
Between beam on be provided with left and right perforation torsional spring mounting hole；
The hinge shaft (3) is " ⊥ " shape metalwork, and vertical portion is articulated shaft, and lower end horizontal component is limited step, under
Centre of surface is equipped with interior hexagonal step, and upper end was equipped with annular recess around articulated shaft one week；
Torsional spring (4) is the metal torsional spring of conventionally form, and the convex section at torsional spring (4) both ends is stretched out along with helix direction tangential；
Substrate (5) is cuboid metal plate, and one end end face of plate is equipped with hinge and installs threaded hole, and side plate face is equipped with single convex
Platform, several counterbores and several weight loss grooves, boss center are equipped with deep gouge, and deep gouge center is equipped with compact heap (6) and installs threaded hole；
The compact heap (6) is " fourth " shape metallic monolith body, and upper surface center is equipped with boss, and boss center is equipped with screw hole, under
Centre of surface is equipped with groove, and groove be connected to screw hole, lower part equipped with the hook protruded in the horizontal direction, the upper surface of hook and
Horizontal plane is parallel；
The celestial body (7) is polyhedron metal shell, and celestial body outer surface is equipped with hinge and installs threaded hole, and celestial body inner surface is equipped with pressure
Tight release pedestal (8) installation threaded hole, support base (10) installs threaded hole, travel switch installs threaded hole, it is fixed to compress pedestal (8)
Position hole, support rod (12) through hole, travel switch through hole, wherein support rod through hole and travel switch through hole are logical
Hole；
Compression release pedestal (8) is cuboid metalwork, and lower surface is equipped with boss, and boss center is equipped with counterbore, boss two
Side is equipped with mounting flange, and mounting flange is equipped with screw hole, and side is equipped with pin removal (9) installation threaded hole and pin removal (9) position
Hole, pin removal location hole are connected to counterbore；
The pin removal (9) can be any pin pulling out device, and pin removal (9) is equipped with mounting flange, and mounting flange is equipped with spiral shell
Nail hole, pin removal (9) include unlock pin (9-1)；
The support base (10) is " ⊥ " shape metalwork, and lower surface center is equipped with deep gouge, and upper surface center is equipped with and is connected to deep gouge
Through-hole, two bulge of lower surface is divided into flange, and flange is equipped with screw hole；
The holddown spring (11) is conventional structure metal compression springs；
The support rod (12) is " ⊥ " shape metalwork；
Holddown spring (11) is placed in the deep gouge of support base (10), and the lower part of support rod (12) " ⊥ " is packed into deep gouge, lower end surface with
Holddown spring contact, top pass through support rod through hole from celestial body (7) interior direction, and support base (10) and celestial body (7) pass through spiral shell
Nail is connected；Pin removal (9) and compression release pedestal (8) are connected by screw；It compresses release pedestal (8) and celestial body (7) passes through spiral shell
Nail is connected；Fixed hinge (1) and celestial body (7) are connected by screw；The both ends jag of torsional spring (4) be inserted into respectively fixed hinge (1) and
Torsional spring mounting hole on rotating hinge (2), hinge shaft (3) pass through the hinge hole and torsional spring on fixed hinge (1) and rotating hinge (2)
(4), the limited step of hinge shaft (3) is stuck on fixed hinge (1), and circlip is stuck in the annular recess of hinge shaft (3) other end
It is interior；Rotating hinge (2) and substrate (5) are connected by screw；Compact heap (6) and substrate (5) are connected by screw.
2. a kind of solar wing according to claim 1 compresses release device, it is characterised in that impaction state lower substrate (5) by
The pressing force arrived is provided by the elastic force of spring.
3. a kind of solar wing according to claim 1 compresses release device, it is characterised in that remaining compression after it is unlocked
Power is outside, that is, it is identical as the expansion direction of substrate (5) to unlock instantaneous residual clamping force direction, therefore pressing force can provide after pulling pin
Assist the power of expansion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811365503.3A CN109204890B (en) | 2018-11-16 | 2018-11-16 | Solar wing unlocking and unfolding mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811365503.3A CN109204890B (en) | 2018-11-16 | 2018-11-16 | Solar wing unlocking and unfolding mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109204890A true CN109204890A (en) | 2019-01-15 |
| CN109204890B CN109204890B (en) | 2024-03-29 |
Family
ID=64996083
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811365503.3A Active CN109204890B (en) | 2018-11-16 | 2018-11-16 | Solar wing unlocking and unfolding mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109204890B (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109623726A (en) * | 2019-02-19 | 2019-04-16 | 北京微分航宇科技有限公司 | A kind of memorial alloy pin removal |
| CN109760856A (en) * | 2019-03-13 | 2019-05-17 | 北京微分航宇科技有限公司 | A kind of solar wing unlock unfolding mechanism using miniatured hinge |
| CN109774982A (en) * | 2019-03-12 | 2019-05-21 | 北京微分航宇科技有限公司 | A kind of link lock fixed pattern solar wing unlock unfolding mechanism |
| CN109927942A (en) * | 2019-04-16 | 2019-06-25 | 北京微分航宇科技有限公司 | A kind of solar wing hinge of big stroke |
| CN111636634A (en) * | 2020-06-10 | 2020-09-08 | 广东广美建设工程有限公司 | Green environment-friendly energy-saving building |
| CN112937922A (en) * | 2021-02-03 | 2021-06-11 | 北华航天工业学院 | Linkage type solar wing locking mechanism |
| CN113665793A (en) * | 2021-08-12 | 2021-11-19 | 广东空天科技研究院 | Thin folding wing and spring driving mechanism thereof |
| WO2022047551A1 (en) * | 2020-09-02 | 2022-03-10 | "Endurosat" Joint Stock Company | System for deployable solar panels for nanosatellites |
| CN117262242A (en) * | 2023-11-17 | 2023-12-22 | 哈尔滨工大卫星技术有限公司 | Planar unfolding three-dimensional cabin door device applied to primary and secondary stars and working method |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109623726A (en) * | 2019-02-19 | 2019-04-16 | 北京微分航宇科技有限公司 | A kind of memorial alloy pin removal |
| CN109774982A (en) * | 2019-03-12 | 2019-05-21 | 北京微分航宇科技有限公司 | A kind of link lock fixed pattern solar wing unlock unfolding mechanism |
| CN109760856A (en) * | 2019-03-13 | 2019-05-17 | 北京微分航宇科技有限公司 | A kind of solar wing unlock unfolding mechanism using miniatured hinge |
| CN109927942A (en) * | 2019-04-16 | 2019-06-25 | 北京微分航宇科技有限公司 | A kind of solar wing hinge of big stroke |
| CN111636634A (en) * | 2020-06-10 | 2020-09-08 | 广东广美建设工程有限公司 | Green environment-friendly energy-saving building |
| CN111636634B (en) * | 2020-06-10 | 2021-08-24 | 广东广美建设工程有限公司 | Green environment-friendly energy-saving building |
| WO2022047551A1 (en) * | 2020-09-02 | 2022-03-10 | "Endurosat" Joint Stock Company | System for deployable solar panels for nanosatellites |
| CN112937922A (en) * | 2021-02-03 | 2021-06-11 | 北华航天工业学院 | Linkage type solar wing locking mechanism |
| CN113665793A (en) * | 2021-08-12 | 2021-11-19 | 广东空天科技研究院 | Thin folding wing and spring driving mechanism thereof |
| CN117262242A (en) * | 2023-11-17 | 2023-12-22 | 哈尔滨工大卫星技术有限公司 | Planar unfolding three-dimensional cabin door device applied to primary and secondary stars and working method |
| CN117262242B (en) * | 2023-11-17 | 2024-01-30 | 哈尔滨工大卫星技术有限公司 | Planar unfolding three-dimensional cabin door device applied to primary and secondary stars and working method |
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