CN115610703A - Pull type compressing and releasing device and using method - Google Patents

Pull type compressing and releasing device and using method Download PDF

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Publication number
CN115610703A
CN115610703A CN202211314970.XA CN202211314970A CN115610703A CN 115610703 A CN115610703 A CN 115610703A CN 202211314970 A CN202211314970 A CN 202211314970A CN 115610703 A CN115610703 A CN 115610703A
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China
Prior art keywords
pin shaft
hole
spring
wire
electric wire
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CN202211314970.XA
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Chinese (zh)
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CN115610703B (en
Inventor
丁强强
廖祥
李钦儒
梁晓华
张汉城
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Shenzhen Magic Cube Satellite Technology Co ltd
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Shenzhen Magic Cube Satellite Technology Co ltd
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Priority to CN202211314970.XA priority Critical patent/CN115610703B/en
Publication of CN115610703A publication Critical patent/CN115610703A/en
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Publication of CN115610703B publication Critical patent/CN115610703B/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B64AIRCRAFT; AVIATION; COSMONAUTICS
    • B64GCOSMONAUTICS; VEHICLES OR EQUIPMENT THEREFOR
    • B64G1/00Cosmonautic vehicles
    • B64G1/22Parts of, or equipment specially adapted for fitting in or to, cosmonautic vehicles
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B64AIRCRAFT; AVIATION; COSMONAUTICS
    • B64GCOSMONAUTICS; VEHICLES OR EQUIPMENT THEREFOR
    • B64G1/00Cosmonautic vehicles
    • B64G1/22Parts of, or equipment specially adapted for fitting in or to, cosmonautic vehicles
    • B64G1/64Systems for coupling or separating cosmonautic vehicles or parts thereof, e.g. docking arrangements

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  • Engineering & Computer Science (AREA)
  • Remote Sensing (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Train Traffic Observation, Control, And Security (AREA)
  • Electric Cable Installation (AREA)

Abstract

The invention relates to the technical field of spaceflight, in particular to a pull-type pressing and releasing device and a using method thereof, wherein the pull-type pressing and releasing device comprises a support, a pin shaft hole is formed in the middle of the support, and a pin shaft is arranged in the pin shaft hole; the left end of the pin shaft is provided with the pin shaft barrel, the release mode of the invention is more stable and reliable, the locking of the pin shaft is realized by the matching of the fusing wire and the blocking pipe, and meanwhile, the pin shaft has smaller impact when released, and no fine space garbage is generated when released; the blocking pipe can well attach and fix components such as the pin shaft and the like, and damage to external parts caused by the displacement of the pin shaft is prevented; through fusing the electric wire constraint and blocking the pipe to the spacing locking of pivot, compare with prior art, solved flexible rope (line) cable and led to the not hard up problem of pivot resilience because of elastic change or deformation.

Description

Pull type compressing and releasing device and using method
Technical Field
The invention relates to the technical field of spaceflight, in particular to a pull type compressing and releasing device and a using method thereof.
Background
In the technical field of aerospace, the spacecraft compression and release device is widely used, the traditional compression and release device mostly adopts explosive bolts and the like and takes initiating explosive devices as cutting power, and the compression and release device has the characteristics of large bearing capacity, reliable separation and the like, but also has the defects of larger impact load generated during explosion, obvious potential safety hazard, disposable use and the like.
And publication No. CN109515751B "a compress tightly release mechanism based on hot sword", through the mutual cooperation of support, round pin axle, spring, locking rope and electric heating element, solved the shortcoming that traditional adoption explosion bolt etc. used initiating explosive device to compress tightly release mechanism as cutting power, have advantages such as simple structure, safe and reliable, low impact, pollution-free and repeatedly usable, but this device has other problems and shortcomings, if: the locking rope is difficult to be fused and leads to the device can not release the subassembly such as the exterior part, the locking rope is flexible, the locking rope can not lead to the subassembly such as dead pin axle that the locking rope can not be fine with the fine laminating of other subassemblies.
Disclosure of Invention
Therefore, the present invention has been made in view of the above problems, and it is an object of the present invention to solve the above problems caused by the use of a locking string in the prior art by changing the original release manner using a hot knife as cutting power and the original locking manner using a locking string as a locking component, and then coordinating the positional relationship between the components;
the invention realizes the aim through the following technical scheme:
a pull type compression release device comprises a support, wherein a pin shaft hole is formed in the middle of the support, and a pin shaft is arranged in the pin shaft hole; the left end of the pin shaft is provided with a pin shaft barrel, and a first spring is arranged inside the pin shaft barrel; a matching hole is formed in the middle of the pin shaft; the outer side of the pin shaft is connected with a limiting element in a sliding manner; the right end of the limiting element is fixedly connected with the support; a preformed hole and a first wire hole are respectively formed in the support close to the front side and the rear side of the pin shaft hole; a second wire hole is formed in the support and close to the front side of the preformed hole; a blocking pipe is arranged in the reserved hole, and a second spring is arranged in the wall of the blocking pipe; an electric wire penetrates through the blocking pipe; the rear end of the wire close to the blocking pipe is provided with a lead wire; the rear side of the wire close to the wire hole I and the inner part of the rear end of the blocking pipe are respectively provided with a knot II and a knot I.
Preferably, support mounting holes are formed in the periphery of the support and are fixed with the rack through screws.
Preferably, the limiting element comprises a bracket, and the left end of the bracket is provided with a top seat; the support is matched with a sliding block arranged on the pin shaft barrel through a track arranged on the inner side.
Preferably, the top seat is provided with a through hole which is matched with the pin shaft barrel.
Preferably, the blocking pipe comprises a blocking sheet, a spring sleeve is arranged on the front side of the blocking sheet, and a second spring is arranged in the wall of the spring sleeve; the rear end of the second spring is fixedly connected with the blocking piece, and the rear end of the second spring is fixedly connected with the reserved hole.
Preferably, a third wire hole is formed in the blocking piece; the first knot is matched with the wire hole in three phases.
Preferably, the use method of the pull-out compression release device is characterized by comprising the following steps:
s1: when the external part needs to be pressed, the pin shaft seat is manually pushed to enable the bottom surface of the sliding block to be in contact with the top surface of the support, so that the external part is completely pressed;
s2: at the moment, the matching hole and the blocking pipe are positioned at the same axial center, the electric wire sequentially passes through the electric wire hole II, the blocking pipe, the matching hole and the electric wire hole I, in the process that the electric wire passes through, the rope knot I contacts with the blocking sheet to drive the blocking pipe to be inserted into the matching hole and simultaneously stretch the spring II, and then the blocking sheet contacts with one end of the electric wire hole I, so that the pin shaft is stably and reliably locked;
s3: then, after the wire hole I is formed, a knot II is tied on the wire, the wire is limited to be pulled by the blocking pipe under the action of the pulling force of the spring II, the position of the blocking pipe is locked, and finally the external part is stably and reliably pressed by the pressing and releasing device;
s4: when the external part needs to be released, the current electrified by the wire is only required to be larger than the current born by the lead wire, so that the lead wire is fused, the wire is disconnected, the blocking pipe is not limited by the wire at the moment, the blocking pipe is reset under the action of the tension of the spring II, the pin shaft is not limited, the pin shaft is pulled out of the external part under the action of the elastic force of the spring I, and then the top surface of the sliding block contacts the bottom surface of the top seat, so that the external part is released.
The invention has the beneficial effects that:
1. the releasing mode of the invention is more stable and reliable, the locking of the shaft pin is realized by the matching of the fusing wire and the blocking pipe, and meanwhile, the shaft pin has smaller impact when being released, and meanwhile, no fine space garbage is generated when being released;
2. the barrier pipe can well attach and fix components such as the pin shaft, and the damage to external parts caused by the displacement of the pin shaft is prevented;
3. through the spacing locking of fusing electric wire restraint barrier tube to the pivot, compare with prior art, solved flexible rope (line) cable and led to the not hard up problem of pivot resilience because of elastic change or deformation.
Drawings
FIG. 1 is a schematic view of the initial state of the present invention.
FIG. 2 is a schematic view of the compression state of the present invention.
Fig. 3 is a cross-sectional view showing a compressed state of the present invention.
Fig. 4 is a cross-sectional view showing a released state of the present invention.
Fig. 5 is a cross-sectional view of the holder of the present invention.
Fig. 6 is a schematic view of the pin of the present invention.
Figure 7 is a cross-sectional view of a stop element of the present invention.
FIG. 8 is a cross-sectional view of a barrier tube of the present invention.
Description of the drawings: 1. a support; 11. a support mounting hole; 12. a pin shaft hole; 13. a first wire hole; 14. reserving a hole; 15. a second wire hole; 2. a pin shaft; 21. a pin shaft seat; 22. a pintle barrel; 221. a slider; 23. a mating hole; 3. a first spring; 4. a spacing element; 41. a support; 411. a track; 42. a top seat; 421. through the aperture; 5. a barrier tube; 51. a barrier sheet; 511. a third wire hole; 52. a spring sleeve; 53. a second spring; 6. an electric wire; 61. lead wire; 62. knotting by a first rope; 63. and a second rope knot.
Detailed Description
The preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings, which are easily implemented by those having ordinary skill in the art to which the present invention pertains, however, the present invention may be implemented in various forms, and thus, the present invention is not limited to the embodiments described below.
As shown in fig. 1, 2 and 3, a compression release device includes: the device comprises a support 1, a pin shaft 2, a spring I3, a limiting element 4, a blocking pipe 5 and an electric wire 6;
the support 1 is fixedly connected with the outer part and plays a role of connecting a compression release device to the outer part, the pin shaft 2 penetrates through the support 1 and is inserted into the outer part in a compression state to play a role of compressing the outer part, the first spring 3 is sleeved on the pin shaft 2, two ends of the first spring are respectively contacted with the top surface of the support 1 and the bottom surface of the pin shaft seat 21, the first spring 3 is in a compressed state when the compression release device is in the compression state, the first spring 3 is in an extension state when the compression release device is in the release state, the first spring 3 plays a role of driving the pin shaft 2 to be pulled out of the outer part when the outer part needs to be released, the limiting element 4 is fixedly connected with the support 1 and plays a role of matching with the pin shaft 2 to enable the pin shaft 2 to slide relative to the limiting element 4 and also plays a role of limiting the sliding direction and the sliding distance of the pin shaft 2, the blocking pipe 5 is arranged in the support 1 and plays a role of locking the pin shaft 2 when the compression release device is in the compression state, the electric wire 6 respectively penetrates through the support 1 and the blocking pipe 5 to play a role of stretching the second spring 53 while driving the blocking pipe 5 to move, when the pin shaft 2 is completely compressed, the pin shaft is compressed, the outer part is inserted into the pin shaft, the outer part is fused, and the electric wire 5 is released, and the electric wire is fused, and the electric wire is completely compressed state, and the electric wire 5, and the electric wire is released;
as shown in fig. 5, the holder 1 has a holder mounting hole 11, a pin shaft hole 12, a first wire hole 13, a preformed hole 14, and a second wire hole 15;
the support 1 is fixedly connected with an external part and plays a role of connecting the compression release device on the external part, four support mounting holes 11 are uniformly arranged at four corners of the support 1, the support 1 is fixedly connected with the external part through a connecting piece such as a screw rod, the pin shaft hole 12 is arranged at the central position of the support 1 and plays a role of allowing the pin shaft 2 to pass through, the wire hole I13 is arranged inside the support 1 and plays a role of fixing the wire 6 while playing a role of allowing the power supply wire 6 to pass through, the preformed hole 14 and the wire hole I13 are coaxially arranged at the other end of the support 1 and play a role of arranging the blocking pipe 5 and fixing the spring II 53, and the wire hole II 15 and the wire hole I13 are coaxially arranged inside the support 1 and are connected with the preformed hole 14 and play a role of allowing the power supply wire 6 to pass through;
as shown in fig. 3, 4 and 6, the pin 2 has a pin seat 21, a pin cylinder 22, a slider 221 and a fitting hole 23;
the pin shaft 2 penetrates through the support 1 and is inserted into the outer part in a compression state to play a role in compressing the outer part, the pin shaft seat 21 is arranged at the top end of the pin shaft 2 to play a role in fixing the first spring 3, the pin shaft cylinder 22 and the pin shaft 2 are coaxial and are arranged on the periphery of the pin shaft 2 to play a role in protecting the first spring 3, meanwhile, the pin shaft cylinder 22 is provided with a sliding block 221 which plays a role in matching with the limiting element 4 to enable the pin shaft 2 to slide, and the matching hole 23 is arranged on the pin shaft 2 to play a role in matching with the blocking pipe 5 to lock the pin shaft 2;
as shown in fig. 3 and 4, the first spring 3 is sleeved on the pin shaft 2, and the right and left ends of the first spring are respectively contacted with the top surface of the support 1 and the bottom surface of the pin shaft seat 21; the first spring 3 is in a compressed state when the hold-down release device is in a hold-down state, the first spring 3 is in an extended state when the hold-down release device is in a release state, and the first spring 3 plays a role of driving the pin shaft 2 to pull out the outer part when the outer part needs to be released;
as shown in fig. 7, the limiting element 4 comprises a bracket 41, a rail 411, a top seat 42, a through hole 421;
the support 41 and the top seat 42 are of an integrally formed structure, the support 41 is fixedly connected with the support 1, the support 41 is provided with a track 411 which has the function of matching with the sliding block 221 to enable the pin shaft 2 to slide relative to the limiting element 4, the top seat 42 has the function of connecting the two supports 41 and can enable the two supports 41 to have higher strength, the top seat 42 is provided with a through hole 421 for the pin shaft 2 to pass through, and meanwhile, the top seat 42 can also have the function of limiting the moving distance of the pin shaft 2 by blocking the sliding block 221;
as shown in fig. 3, 4 and 8, the blocking tube 5 includes a blocking sheet 51, a wire hole three 511, a spring sleeve 52 and a spring two 53;
the blocking pipe 5 is arranged in a preformed hole 14 in the support 1 and plays a role of locking the pin shaft 2 when the compression release device is in a compression state, the blocking sheet 51 is arranged at one end, close to the pin shaft 2, of the blocking pipe 5 and plays a role of blocking the knot I62, the wire hole III 511 is arranged at the center of the blocking sheet 51 and plays a role of allowing the power supply wire 6 to pass through, the spring sleeve 52 is arranged in the blocking pipe 5 and plays a role of protecting the spring II 53, the spring II 53 is arranged between the blocking pipe 5 and the spring sleeve 52, two ends of the spring II 53 are fixedly connected with the blocking sheet 51 and the support 1 respectively, the spring II 53 is in a stretching state when the compression release device is in the compression state, and the spring II 53 plays a role of pulling the blocking pipe 5 to reset after the wire 6 is fused when the external part needs to be released, so as to realize the release of the external part;
as shown in fig. 3 and 4, the electric wire 6 has a lead wire 61, a knot one 62 and a knot two 63;
the electric wire 6 is preferably a hard wire made of pure copper single-core hard wire and the like, the electric wire 6 sequentially passes through the second electric wire hole 15, the blocking pipe 5, the matching hole 23 and the first electric wire hole 13, the internal material of the electric wire 6 is a copper wire, but one section of the electric wire 6, which is positioned outside the third electric wire hole 511, is a lead wire 61, because the melting point of the lead wire 61 is low, when the electric current passes through the electric wire 6, the lead wire 61 is fused, so that the electric wire 6 is disconnected, the blocking pipe 5 is not limited by the first rope knot 62, meanwhile, the second spring 53 exerts tensile force to reset the blocking pipe 5, so that the external part is released, the first rope knot 62 is arranged inside the blocking pipe 5 and is in contact with the third electric wire hole 511, after the pin shaft 2 completely compresses the external part, the electric wire 6 passes through the blocking pipe 5, the electric wire 6 pulls the blocking pipe 5 to move under the action of the first rope knot 62, the second rope knot 63 is arranged outside the first electric wire hole 13 and is in contact with the support 1, so as to limit the electric wire 6 to be pulled by the tensile force of the second spring 53, and the first rope knot 62 and the second rope knot can also be used: materials such as films and iron blocks are replaced, only the purpose of limiting the blocking pipe 5 through the electric wire 6 is needed, and the electric wire 6, the second knot 63, the first knot 62 and the blocking pipe 5 are matched with each other to achieve the purpose of stably and reliably locking the pin shaft 2.
The use method of the invention comprises the following steps:
as shown in fig. 1, it is an initial state of the hold-down releasing device, at this time, the top surface of the sliding block 221 contacts with the top surface of the top seat 42, the first spring 3 and the second spring 53 are both in an original state, and the support 1 is fixedly connected with the star body by a connection manner such as a screw;
s1: when the outer part needs to be pressed, the pin shaft seat 21 is manually pushed to enable the bottom surface of the sliding block 221 to be in contact with the top surface of the support 1, so that the outer part is completely pressed;
s2: at the moment, the matching hole 23 and the blocking pipe 5 are positioned at the same axial center position, the electric wire 6 sequentially passes through the electric wire hole two 15, the blocking pipe 5, the matching hole 23 and the electric wire hole one 13, and as the electric wire 6 is a hard lead made of pure copper single-core hard wire and the like, the electric wire 6 can easily pass through the electric wire hole two 15, the blocking pipe 5, the matching hole 23 and the electric wire hole one 13, in the process that the electric wire 6 passes through, the knotted first 62 contacts with the blocking sheet 51 to drive the blocking pipe 5 to be inserted into the matching hole 23, meanwhile, the spring second 53 is stretched, and then the blocking sheet 51 contacts with one end of the electric wire hole one 13, so that the stable and reliable locking of the pin shaft 2 is realized;
s3: after the wire hole I13 is covered, the wire 6 is knotted into a knot II 63, the wire 6 is limited to be pulled by the blocking pipe 5 under the action of the tension of a spring II 53, the position of the blocking pipe 5 is locked, and the external part is stably and reliably pressed by the pressing and releasing device finally;
s4: when the external part needs to be released, only the current for electrifying the electric wire 6 is required to be larger than the current capable of being borne by the lead wire 61, so that the lead wire 61 is fused to cause the disconnection of the electric wire 6, at the moment, the blocking pipe 5 is not limited by the electric wire 6, the blocking pipe 5 is reset under the action of the pulling force of the spring II 53, the pin shaft 2 is not limited, the pin shaft 2 is pulled out of the external part under the action of the elastic force of the spring I3, and then the top surface of the sliding block 221 contacts the bottom surface of the top seat 42, so that the release of the external part is realized.

Claims (7)

1. A pull-out type compression release device comprises a support (1), and is characterized in that: a pin shaft hole (12) is formed in the middle of the support (1), and a pin shaft (2) is arranged in the pin shaft hole (12); the left end of the pin shaft (2) is provided with a pin shaft cylinder (22), and a first spring (3) is arranged inside the pin shaft cylinder (22); a matching hole (23) is formed in the middle of the pin shaft (2); the outer side of the pin shaft (2) is connected with a limiting element (4) in a sliding manner; the right end of the limiting element (4) is fixedly connected with the support (1); a preformed hole (14) and a first wire hole (13) are respectively formed in the support (1) close to the front side and the rear side of the pin shaft hole (12); a second electric wire hole (15) is formed in the support (1) close to the front side of the preformed hole (14); a blocking pipe (5) is arranged inside the preformed hole (14), and a second spring (53) is arranged inside the pipe wall of the blocking pipe (5); an electric wire (6) penetrates through the blocking pipe (5); the rear end of the electric wire (6) close to the blocking pipe (5) is provided with a lead wire (61); the electric wire (6) is provided with a second knot (63) and a first knot (62) close to the rear side of the first electric wire hole (13) and inside the rear end of the blocking pipe (5).
2. A pull-type compression release device according to claim 1, further comprising: support mounting holes (11) are formed in the periphery of the support (1), and the support mounting holes (11) are fixed with the rack through screws.
3. A pull-type compression release device according to claim 1, wherein: the limiting element (4) comprises a bracket (41), and the left end of the bracket (41) is provided with a top seat (42); the support (41) is matched with a sliding block (221) arranged on the pin shaft cylinder (22) through a track (411) arranged on the inner side.
4. A pull-out compression release device according to claim 3, further comprising: the top seat (42) is provided with a through hole (421), and the through hole (421) is matched with the pin shaft cylinder (22).
5. A pull-type compression release device according to claim 1, further comprising: the blocking pipe (5) comprises a blocking sheet (51), a spring sleeve (52) is arranged on the front side of the blocking sheet (51), and a second spring (53) is arranged in the wall of the spring sleeve (52); the rear end of the second spring (53) is fixedly connected with the blocking sheet (51), and the rear end of the second spring is fixedly connected with the preformed hole (14).
6. A pull-type compression release device according to claim 1, further comprising: a third wire hole (511) is formed in the blocking sheet (51); the knot I (62) is matched with the wire hole III (511).
7. A method of using a pull type compression release device according to any one of claims 1 to 6, comprising the steps of:
s1: when the outer part needs to be pressed, the pin shaft seat (21) is manually pushed to enable the bottom surface of the sliding block (221) to be in contact with the top surface of the support (1), so that the outer part is completely pressed;
s2: at the moment, the matching hole (23) and the blocking pipe (5) are positioned at the same axial center position, the electric wire (6) sequentially penetrates through the electric wire hole II (15), the blocking pipe (5), the matching hole (23) and the electric wire hole I (13), in the process that the electric wire (6) penetrates through the electric wire hole II (13), the knotting I (62) contacts with the blocking piece (51) to drive the blocking pipe (5) to be inserted into the matching hole (23) and simultaneously stretch the spring II (53), and then the blocking piece (51) contacts with one end of the electric wire hole I (13), so that the stable and reliable locking of the pin shaft (2) is realized;
s3: then, after the wire hole I (13) is covered, a knot II (63) is knotted on the wire (6), the wire (6) is limited to be pulled by the blocking pipe (5) under the action of the tension of the spring II (53), the position of the blocking pipe (5) is locked, and the outer part is stably and reliably pressed by the pressing and releasing device;
s4: when the outer part needs to be released, only the current for electrifying the wire (6) is required to be larger than the current which can be borne by the lead wire (61), the lead wire (61) is fused, the wire (6) is disconnected, the blocking pipe (5) is not limited by the wire (6), the blocking pipe (5) is reset under the action of the pulling force of the spring II (53), the pin shaft (2) is not limited, the pin shaft (2) is pulled out of the outer part under the action of the elastic force of the spring I (3), and then the top surface of the sliding block (221) contacts the bottom surface of the top seat (42), so that the release of the outer part is realized.
CN202211314970.XA 2022-10-26 2022-10-26 Pull-type compression release device and use method Active CN115610703B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202211314970.XA CN115610703B (en) 2022-10-26 2022-10-26 Pull-type compression release device and use method

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Application Number Priority Date Filing Date Title
CN202211314970.XA CN115610703B (en) 2022-10-26 2022-10-26 Pull-type compression release device and use method

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CN115610703A true CN115610703A (en) 2023-01-17
CN115610703B CN115610703B (en) 2024-05-10

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Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104890902A (en) * 2015-06-01 2015-09-09 上海宇航系统工程研究所 Fusing type compression release mechanism and release method thereof
CN205396581U (en) * 2016-03-11 2016-07-27 北京空间飞行器总体设计部 Microminiature fuse ware
CN108327929A (en) * 2018-02-09 2018-07-27 北京航空航天大学 A kind of super-elasticity SMA bands non-firer's unlocking mechanism of cluster
CN110667894A (en) * 2019-10-17 2020-01-10 上海宇航系统工程研究所 Releasing mechanism capable of being repeatedly compressed
CN111284731A (en) * 2020-01-16 2020-06-16 清华大学 Electromagnetic locking and releasing mechanism for separating star from arrow and electromagnetic locking and releasing method
CN111453003A (en) * 2020-05-18 2020-07-28 苏州馥昶空间技术有限公司 Compressing and releasing mechanism
CN113415446A (en) * 2021-07-29 2021-09-21 深圳市魔方卫星科技有限公司 Electromagnetic-triggered pressing and releasing device and using method
WO2022180281A1 (en) * 2021-02-25 2022-09-01 Airbus Defence And Space, S.A. Retaining and releasing device and assembly for spaceships

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104890902A (en) * 2015-06-01 2015-09-09 上海宇航系统工程研究所 Fusing type compression release mechanism and release method thereof
CN205396581U (en) * 2016-03-11 2016-07-27 北京空间飞行器总体设计部 Microminiature fuse ware
CN108327929A (en) * 2018-02-09 2018-07-27 北京航空航天大学 A kind of super-elasticity SMA bands non-firer's unlocking mechanism of cluster
CN110667894A (en) * 2019-10-17 2020-01-10 上海宇航系统工程研究所 Releasing mechanism capable of being repeatedly compressed
CN111284731A (en) * 2020-01-16 2020-06-16 清华大学 Electromagnetic locking and releasing mechanism for separating star from arrow and electromagnetic locking and releasing method
CN111453003A (en) * 2020-05-18 2020-07-28 苏州馥昶空间技术有限公司 Compressing and releasing mechanism
WO2022180281A1 (en) * 2021-02-25 2022-09-01 Airbus Defence And Space, S.A. Retaining and releasing device and assembly for spaceships
CN113415446A (en) * 2021-07-29 2021-09-21 深圳市魔方卫星科技有限公司 Electromagnetic-triggered pressing and releasing device and using method

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