CN113120260B - Thermally-induced fusing steel ball lock pressing and releasing mechanism - Google Patents
Thermally-induced fusing steel ball lock pressing and releasing mechanism Download PDFInfo
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- CN113120260B CN113120260B CN202110531411.3A CN202110531411A CN113120260B CN 113120260 B CN113120260 B CN 113120260B CN 202110531411 A CN202110531411 A CN 202110531411A CN 113120260 B CN113120260 B CN 113120260B
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 60
- 239000010959 steel Substances 0.000 title claims abstract description 60
- 230000007246 mechanism Effects 0.000 title claims abstract description 47
- 238000007906 compression Methods 0.000 claims abstract description 65
- 230000006835 compression Effects 0.000 claims abstract description 62
- 230000000452 restraining effect Effects 0.000 claims abstract description 7
- 238000000926 separation method Methods 0.000 claims description 11
- 230000009471 action Effects 0.000 claims description 4
- 239000002657 fibrous material Substances 0.000 claims description 3
- 230000007774 longterm Effects 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 239000012943 hotmelt Substances 0.000 claims 1
- 239000002360 explosive Substances 0.000 description 4
- 108091092878 Microsatellite Proteins 0.000 description 3
- 230000000977 initiatory effect Effects 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 229910001285 shape-memory alloy Inorganic materials 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
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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
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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
- B64G1/222—Parts of, or equipment specially adapted for fitting in or to, cosmonautic vehicles for deploying structures between a stowed and deployed state
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Abstract
The invention discloses a thermally-induced fusing steel ball lock compression release mechanism, which comprises: the device comprises a base, a clamp, a restraint rope, an unlocking spring, a lock column, a heater, a pressing sleeve, a pressing cap, a pressing rod, a locking nut, a bearing bowl, a sliding block, a pull pin spring, a steel ball and a set screw; the locking and releasing of the pressing releasing mechanism are realized by utilizing the relative position relationship among the lock column, the clamp and the pressing rod, an unlocking spring is arranged between the lock column and the clamp, and a constraint rope is bound; the position between the lock column and the hoop is restrained by the restraining rope, so that the compression release mechanism is in a locking state, and the spring is in a compressed state; the heater is installed on the restraint rope, the heater is electrified to fuse the restraint rope, the unlocking spring pushes the hoop to move for a certain distance, and the compression release mechanism is changed from a locking state to an unlocking release state. The compressing and releasing mechanism has the characteristics of simple structure, light weight, low impact, low cost, wide temperature adaptability, high locking and unlocking reliability and the like.
Description
Technical Field
The present invention relates to a pressing and releasing mechanism, and more particularly, to a pressing and releasing mechanism for non-explosive workers.
Background
In recent years, the microsatellites are rapidly developed, various structural products on the microsatellites, such as small deployable solar wings, antennas and the like, need to be compressed in a folded state so as to bear the load of a launching section, and need to be separated and released after being in orbit so that the products can be unfolded to a preset position or shape. The traditional spacecraft mostly adopts an initiating explosive separation device, has the characteristics of large bearing capacity, reliable separation and the like, but has the defects of large weight, high cost, large unlocking impact and the like, and cannot well adapt to the use requirements of the microsatellite. Therefore, there is a need for a lightweight, low cost, high performance compression release mechanism.
Disclosure of Invention
The invention aims to overcome the defects and shortcomings of the prior art, provides the thermally fused steel ball lock compression release mechanism which is simple in structure, light in weight, small in unlocking impact, low in cost and wide in temperature application range, and solves the problems that an existing initiating explosive device is heavy in weight and large in impact, and a memory alloy type compression release mechanism is poor in temperature adaptability and high in cost.
In order to solve the technical problems, the invention is realized by the following technical scheme: the device comprises a base 1, a clamp 2, a restraint rope 3, an unlocking spring 4, a lock column 5, a heater 6, a pressing sleeve 7, a pressing cap 8, a pressing rod 9, a pin pulling spring 13, a steel ball 14 and a set screw 15; the lock column 5 is composed of two sections of cylindrical structures with different cross-sectional sizes, the upper section is a hollow large cylindrical section, a flange is mounted on the upper end face, and steel ball holes for storing steel balls are circumferentially arranged; the lower section is a small cylindrical section with external threads, is connected with the base and is pre-tightened by a jacking screw 15; the clamp 2 is of a hollow structure, a flanging flange is arranged at the bottom of the clamp 2, the clamp 2 is sleeved on the outer side of the lock column, an unlocking spring 4 is sleeved on the outer side of the clamp 2, the unlocking spring 4 is compressed through a constraint rope 3 penetrating through the lock column 5 and the clamp 2, and the upper end and the lower end of the unlocking spring 4 are respectively abutted between the flanging flange of the lock column 5 and the flanging flange of the clamp 2 in a compression state; and a steel ball hole for storing a steel ball is arranged on the hoop 2 in the same axial direction and circumferential direction as the position of the steel ball hole of the large cylinder of the lock column 5; the clamp 2 and the base 1 are pressed or released by using a distance; a heater 6 is arranged around the restraint rope 3 and used for fusing the restraint rope 3; a pressing sleeve 7 is arranged on the flange end face of the lock column 5, the pressing sleeve 7 is hollow cylindrical, a pressing rod 9 is arranged in the pressing sleeve 7, the lower end of the pressing rod 9 is inserted into the lock column 5, and a groove is formed in the part, corresponding to the hole, of the pressing rod 9 and used for containing a steel ball; a pin pulling spring 13 is sleeved on the pressing rod 9; after the restraint rope 3 is fused, the clamp 2 is pushed above the base 1 by the unlocking spring 4, the steel ball slides out of the groove of the compression rod 9 to release the compression rod 9, and the compression rod 9 is upwards popped out of the lock column 5 under the action of the pin pulling spring 13.
Preferably, the pressing rod 9 further comprises a sliding block 12, a force bearing bowl 11 and a locking nut 10; the sliding block 12 is nested on the pressing rod 9 and is positioned in the pressing cap 8, and the sliding block 12 is provided with a spherical concave surface; the bearing bowl 11 is a spherical convex surface, the spherical convex surface is matched with the spherical concave surface of the sliding block 12 and is sleeved on the compression rod 9, the locking nut 10 sleeved on the compression rod 9 is arranged at the upper part of the bearing bowl 11, and a certain locking torque is applied through the locking nut 10, so that the separation end and the fixed end are effectively locked; the separation end comprises a pressing sleeve 7, a pressing cap 8, a pressing rod 9, a locking nut 10, a force bearing bowl 11, a sliding block 12 and a pin pulling spring 13; the fixed end comprises a base 1, a hoop 2, a restraint rope 3, an unlocking spring 4, a lock column 5, a heater 6, a steel ball 14 and a set screw 15.
Preferably, the pressing sleeve 7 is further provided with a pressing cap 8, and the pressing sleeve 7 and the pressing cap 8 are provided with flange surfaces with through holes for connecting and separating loads.
Preferably, the base 1 is provided with a boss and a lug; the lug is provided with a through hole for installing the compression release mechanism at the fixed end of the spacecraft; the boss is used for injecing the motion position of clamp, and when the clamp moved boss department, the circumference bulb on the clamp just right lock post bulb, and the restraint to the steel ball is removed, realizes compressing tightly the unblock of release mechanism.
Preferably, the constraining rope is a rope of high modulus fibrous material; a rope is connected at the head to form a closed loop, and any part on the loop is broken, so that the unlocking and separation of the mechanism can be realized.
Preferably, 2 heaters are arranged on the restraint rope loop, and any one of the heaters works to fuse the rope to realize the unlocking of the mechanism.
Preferably, allowance is left in the unlocking stroke of the lock column, and the pressing and releasing mechanism can still be reliably locked under binding errors of the binding ropes and long-term storage creep deformation of the binding ropes.
Preferably, the unlocking stroke of the lock cylinder is controlled by a boss on the base, the lock cylinder stops moving when the flange end face of the clamp reaches the boss, and the spherical groove of the lock cylinder is over against the spherical hole of the shell, so that the unlocking reliability is guaranteed.
Due to the adoption of the technical scheme, compared with the prior art, the invention has the following advantages and positive effects:
1. the thermally fusing steel ball lock pressing and releasing mechanism provided by the invention has the advantages of simple structure, lighter weight and low cost.
2. Compared with initiating explosive devices, the thermally fusing steel ball locking and pressing release mechanism provided by the invention is lower in unlocking impact and small in unlocking current.
3. The thermally-induced fusing steel ball lock compression release mechanism provided by the invention has wider temperature adaptability compared with a shape memory alloy compression release mechanism.
4. The thermally fused steel ball lock compression and release mechanism provided by the invention realizes locking by using the steel ball lock, triggers separation by fusing the rope, has low requirements on rope binding and creep property thereof, and has high locking and unlocking reliability.
Drawings
The above and other features and advantages of the present invention will be more clearly understood from the following detailed description taken in conjunction with the accompanying drawings, in which:
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a cross-sectional view of the invention in a collapsed condition;
FIG. 3 is a schematic representation of a cord tie of the present invention;
fig. 4 is a cross-sectional view of the released state of the present invention.
1-base, 2-clamp, 3-restraint rope, 4-unlocking spring, 5-lock column, 6-heater, 7-compression sleeve, 8-compression cap, 9-compression rod, 10-locking nut, 11-bearing bowl, 12-slide block, 13-pin-pulling spring, 14-steel ball and 15-set screw
Detailed Description
The invention will be described in more detail hereinafter with reference to the accompanying drawings, in which embodiments of the invention are shown. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art.
The embodiment of the invention provides a thermally-induced fusing steel ball lock compression release mechanism which comprises a base 1, a clamp 2, a restraint rope 3, an unlocking spring 4, a lock column 5, a heater 6, a compression sleeve 7, a compression cap 8, a compression rod 9, a pin pulling spring 13, a steel ball 14 and a set screw 15; the lock column 5 is composed of two sections of cylindrical structures with different cross-sectional sizes, the upper section is a hollow large cylindrical section, a flange is mounted on the upper end face, and steel ball holes for storing steel balls are circumferentially arranged; the lower section is a small cylindrical section with external threads, is connected with the base and is pre-tightened by a jacking screw 15; the clamp 2 is of a hollow structure, a flanging flange is arranged at the bottom of the clamp 2, the clamp 2 is sleeved on the outer side of the lock column, an unlocking spring 4 is sleeved on the outer side of the clamp 2, the unlocking spring 4 is compressed through a constraint rope 3 penetrating through the lock column 5 and the clamp 2, and the upper end and the lower end of the unlocking spring 4 are respectively abutted between the flanging flange of the lock column 5 and the flanging flange of the clamp 2 in a compression state; and a steel ball hole for storing a steel ball is arranged on the hoop 2 in the same axial direction and circumferential direction as the position of the steel ball hole of the large cylinder of the lock column 5; the clamp 2 and the base 1 are pressed or released by using a distance; a heater 6 is arranged around the restraint rope 3 and used for fusing the restraint rope 3; a pressing sleeve 7 is arranged on the flange end face of the lock column 5, the pressing sleeve 7 is hollow cylindrical, a pressing rod 9 is arranged in the pressing sleeve 7, the lower end of the pressing rod 9 is inserted into the lock column 5, and a groove is formed in the part, corresponding to the hole, of the pressing rod 9 and used for containing a steel ball; a pin pulling spring 13 is sleeved on the pressing rod 9; after the restraint rope 3 is fused, the clamp 2 is pushed above the base 1 by the unlocking spring 4, the steel ball slides out of the groove of the compression rod 9 to release the compression rod 9, and the compression rod 9 is upwards popped out of the lock column 5 under the action of the pin pulling spring 13.
According to one embodiment of the invention, the pressing rod 9 further comprises a sliding block 12, a bearing bowl 11 and a lock nut 10; the sliding block 12 is nested on the pressing rod 9 and is positioned in the pressing cap 8, and the sliding block 12 is provided with a spherical concave surface; the bearing bowl 11 is a spherical convex surface, the spherical convex surface is matched with the spherical concave surface of the sliding block 12 and is sleeved on the compression rod 9, the locking nut 10 sleeved on the compression rod 9 is arranged at the upper part of the bearing bowl 11, and a certain locking torque is applied through the locking nut 10, so that the separation end and the fixed end are effectively locked; the separation end comprises a pressing sleeve 7, a pressing cap 8, a pressing rod 9, a locking nut 10, a force bearing bowl 11, a sliding block 12 and a pin pulling spring 13; the fixed end comprises a base 1, a hoop 2, a restraint rope 3, an unlocking spring 4, a lock column 5, a heater 6, a steel ball 14 and a set screw 15.
According to one embodiment of the invention, the pressing sleeve 7 is further provided with a pressing cap 8, and the pressing sleeve 7 and the pressing cap 8 are provided with flange surfaces with through holes for connecting and separating loads.
According to one embodiment of the invention, the base 1 is provided with a boss and a lug; the lug is provided with a through hole which is used for installing the pressing and releasing mechanism at the fixed end of the spacecraft; the boss is used for injecing the motion position of clamp, and when the clamp moved boss department, the circumference bulb on the clamp just right lock post bulb, and the restraint to the steel ball is removed, realizes compressing tightly the unblock of release mechanism.
According to one embodiment of the invention, the restraining rope is a rope of high modulus fibrous material; a rope is connected at the head to form a closed loop, and any part on the loop is broken, so that the unlocking separation of the mechanism can be realized.
According to one embodiment of the invention, 2 heaters are arranged on the restraint rope loop, and any one of the heaters works to melt the rope to realize the unlocking of the mechanism.
According to one embodiment of the invention, the unlocking stroke of the lock cylinder is provided with a margin, so that the pressing and releasing mechanism can still be reliably locked under binding errors of the binding ropes and long-term storage creep deformation of the binding ropes.
According to one embodiment of the invention, the unlocking stroke of the lock column is controlled by the boss on the base, the lock column stops moving when the flange end face of the clamp reaches the boss, and the spherical groove of the lock column is over against the spherical hole of the shell, so that the unlocking reliability is ensured.
The following description will use fig. 1-4 as an example to describe the specific structure of the thermally fusing steel ball lock compression release mechanism according to the embodiment of the present invention.
Referring to fig. 1 and 2, the invention provides a thermally fusing steel ball lock compression release mechanism, which comprises: the device comprises a base 1, a clamp 2, a restraint rope 3, an unlocking spring 4, a lock column 5, a heater 6, a pressing sleeve 7, a pressing cap 8, a pressing rod 9, a locking nut 10, a force bearing bowl 11, a sliding block 12, a pull pin spring 13, a steel ball 14 and a set screw 15.
The locking column is of a cylindrical structure, a flange flanging is mounted, the cylindrical section consists of two sections with different cross sections, the large cylindrical section is of a cavity structure, at least 3 steel ball holes are uniformly distributed in the circumferential direction, the steel ball holes are spherical through holes, and steel balls are placed in the holes; the small cylinder section is an external thread, is connected with the base and is pre-tightened through a jacking screw, and the clamp is sleeved outside the lock cylinder.
The hoop consists of a hollow cylindrical section and a flange end face, spherical grooves are formed in the inner cavity of the cylindrical section in the circumferential direction and the axial direction, the circumferential grooves provide avoidance spaces for steel balls during unlocking, the axial grooves have a guiding effect, and stress concentration under a locking load is reduced; the end face of the lock column flange is provided with a rope through hole and rope grooves, and the two groups of rope through holes and the two groups of rope grooves are symmetrically distributed and used for arranging constraint ropes.
An unlocking spring is arranged between the lock column and the hoop, and a restraint rope is bound; the position between the lock column and the hoop is restrained by the restraining rope, so that the compression releasing mechanism is in a locking state, and the spring is in a compressed state; 2 heaters are installed on the restraint rope, any one heater is electrified to work, the restraint rope is fused, restraint on the unlocking spring can be removed, the unlocking spring pushes the lock column to move for a certain distance, and the compression release mechanism is changed from a locking state to an unlocking release state.
The base is provided with a boss, a threaded through hole and 4 lugs, and the lugs are provided with through holes; the boss is used for limiting the movement position of the hoop, and when the hoop moves to the boss, the circumferential ball hole in the hoop is over against the lock cylinder ball hole, so that the restraint on the steel ball is removed, and the unlocking of the compression release mechanism is realized; the threaded hole is used for connecting the lock cylinder and the set screw; the lugs are used to mount the compression release mechanism to the spacecraft fixed end.
The compression sleeve is arranged on the flange end face of the lock column, a compression rod is arranged in a cylindrical cavity of the compression sleeve, and a pull pin spring, a sliding block, a bearing bowl and a locking nut are sequentially arranged on the compression rod; a spherical groove is formed in the position, close to the lower end portion, of the compression rod, the steel ball is located in the groove in a compression state, the axial degree of freedom of the compression rod is restrained, a certain compression force is applied through the lock nut, after unlocking is conducted, the steel ball exits from the groove, restraint on the compression rod is removed, the pin pulling spring pushes the sliding block to move upwards, the compression rod is pulled out of the cylindrical cavity of the lock column, and unlocking is completed.
The compressing and releasing mechanism is connected with the spacecraft body through a lug on the base and connected with the compressing load through the compressing sleeve, and after the spacecraft is unlocked, the compressing rod releases the constraint on the compressing sleeve, so that the compressing load is released.
With reference to fig. 2 and 4, the working process of the invention is as follows:
the heater is powered on, the constraint rope is fused by the heater, the unlocking spring pushes the clamp downwards to the boss of the base, the steel ball moves outwards under the action of the locking load on the compression rod and exits from the groove, the constraint on the compression rod is removed, and the compression rod assembly is pulled out of the lock column by the pull pin spring to complete unlocking and releasing.
The present invention has been disclosed in the form of embodiments, and any simple modification, equivalent change and modification made to the above embodiments according to the technical spirit of the present invention are within the scope of the present invention, unless otherwise departing from the content of the present invention.
Claims (7)
1. A hot melt steel ball lock compression release mechanism, characterized by, includes: the device comprises a base (1), a clamp (2), a restraint rope (3), an unlocking spring (4), a lock column (5), a heater (6), a pressing sleeve (7), a pressing rod (9), a pin pulling spring (13), a steel ball (14) and a set screw (15); wherein,
the lock cylinder (5) is composed of two sections of cylindrical structures with different cross-section sizes, the upper section is a hollow large cylindrical section, a flange is mounted on the upper end face of the lock cylinder, and steel ball holes for storing steel balls are circumferentially arranged; the lower section is a small cylindrical section with external threads, is connected with the base (1) and is pre-tightened by a jacking screw (15);
the clamp (2) is of a hollow structure, a flanging flange is arranged at the bottom of the clamp (2), the clamp (2) is sleeved on the outer side of the lock column, an unlocking spring (4) is sleeved on the outer side of the clamp (2), the unlocking spring (4) is compressed through a constraint rope (3) penetrating through the lock column (5) and the clamp (2), and the upper end and the lower end of the unlocking spring (4) respectively abut against the flanging flange of the lock column (5) and the flanging flange of the clamp (2) in a compression state; and a steel ball hole for storing a steel ball is arranged on the hoop (2) in the same axial direction and the same circumferential direction as the steel ball hole of the large column of the lock column (5); the clamp (2) and the base (1) are pressed or released by using a distance;
the base (1) is provided with a boss and a lug; the lug is provided with a through hole for installing the compression release mechanism at the fixed end of the spacecraft; the boss is used for limiting the movement position of the hoop, when the hoop moves to the boss, the circumferential ball hole in the hoop is over against the lock column ball hole, the constraint on the steel ball is removed, and the unlocking of the pressing releasing mechanism is realized;
heaters (6) are arranged around the restraining ropes (3) and used for fusing the restraining ropes (3);
a pressing sleeve (7) is arranged on the flange end face of the lock column (5), the pressing sleeve (7) is hollow and cylindrical, a pressing rod (9) is arranged in the pressing sleeve (7), the lower end of the pressing rod (9) is inserted into the lock column (5), and a groove is formed in the part, corresponding to the hole, of the pressing rod and used for accommodating a steel ball; a pin pulling spring (13) is sleeved on the pressing rod (9);
after the restraint rope (3) is fused, the clamp (2) is pushed to the upper side of the base (1) by the unlocking spring (4), the steel ball slides out of the groove of the pressing rod (9) to release the pressing rod (9), and the pressing rod (9) is upwards popped out of the lock column (5) under the action of the pin pulling spring (13).
2. The thermally induced fusing steel ball lock compression and release mechanism as defined in claim 1, wherein the compression sleeve (7) is further provided with a compression cap (8), and the compression sleeve (7) and the compression cap (8) are provided with flange surfaces with through holes for connecting and disconnecting loads.
3. The thermally induced fusing steel ball lock compression release mechanism as claimed in claim 2, wherein the compression rod (9) further comprises a sliding block (12), a bearing bowl (11) and a lock nut (10); the sliding block (12) is nested on the pressing rod (9) and is positioned in the pressing cap (8), and the sliding block (12) is provided with a spherical concave surface; the bearing bowl (11) is a spherical convex surface, the spherical convex surface is matched with the spherical concave surface of the sliding block (12) and is sleeved on the compression rod (9), the upper part of the bearing bowl (11) is provided with a locking nut (10) sleeved on the compression rod (9), and a certain locking torque is applied through the locking nut (10), so that the separation end and the fixed end are effectively locked; the separating end comprises a pressing sleeve (7), a pressing cap (8), a pressing rod (9), a locking nut (10), a bearing bowl (11), a sliding block (12) and a pin pulling spring (13); the fixed end comprises a base (1), a clamp (2), a restraint rope (3), an unlocking spring (4), a lock column (5), a heater (6), a steel ball (14) and a set screw (15).
4. The thermally induced fusing steel ball lock compression and release mechanism of claim 3, wherein the restraining rope is a rope of high modulus fiber material; a rope is connected end to form a closed loop, and any part on the loop is broken, so that the unlocking separation of the mechanism can be realized.
5. The thermally induced fusing steel ball lock compression release mechanism of claim 4, wherein 2 heaters are arranged on the restraining rope loop, and any one of the heaters works to fuse the rope to achieve unlocking of the mechanism.
6. The thermally induced fusing steel ball lock compression and release mechanism as defined in claim 5, wherein a margin is left in the unlocking stroke of the lock cylinder to ensure that the compression and release mechanism can still be reliably locked under binding rope binding errors and long-term storage creep deformation of the binding rope.
7. The thermally induced fusing steel ball lock compression release mechanism as claimed in claim 6, wherein the unlocking stroke of the lock cylinder is controlled by a boss on the base, and when the flange end face of the clamp reaches the boss, the flange end face stops moving, and the spherical groove of the flange end face faces the spherical hole of the shell, so that the unlocking reliability is ensured.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110531411.3A CN113120260B (en) | 2021-05-14 | 2021-05-14 | Thermally-induced fusing steel ball lock pressing and releasing mechanism |
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| CN202110531411.3A CN113120260B (en) | 2021-05-14 | 2021-05-14 | Thermally-induced fusing steel ball lock pressing and releasing mechanism |
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| CN113120260B true CN113120260B (en) | 2022-10-18 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113889741B (en) * | 2021-09-28 | 2023-08-29 | 上海宇航***工程研究所 | Compression device for planar antenna and layout method |
| CN113879569A (en) * | 2021-10-09 | 2022-01-04 | 航天科工火箭技术有限公司 | Low-impact unlocking satellite-arrow separation device and satellite-arrow separation system |
| CN114243253B (en) * | 2021-11-30 | 2024-05-14 | 中国空间技术研究院 | Compression release device and method for judging deployable stability of fixed-surface antenna |
| CN114056606A (en) * | 2021-12-01 | 2022-02-18 | 沈阳航天新光集团有限公司 | Non-explosive fuse type bidirectional connection and separation device |
| CN117262255B (en) * | 2023-11-21 | 2024-04-05 | 北京融为科技有限公司 | Coupling mechanism and satellite suitable for satellite separation |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| US6547476B2 (en) * | 1999-08-17 | 2003-04-15 | Lockheed Martin Corporation | Universal spacecraft separation node |
| ES2407990T3 (en) * | 2009-09-22 | 2013-06-17 | Eads Casa Espacio S.L. | Retention and release device. |
| TR201820954T4 (en) * | 2015-03-31 | 2019-02-21 | Aerea Spa | Device for holding and deploying apparatus for use in space. |
| CN104890902B (en) * | 2015-06-01 | 2017-05-31 | 上海宇航***工程研究所 | A kind of Fuse Type compresses relieving mechanism and its method for releasing |
| 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***工程研究所 | Releasing mechanism capable of being repeatedly compressed |
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