CN111453003A - Compressing and releasing mechanism - Google Patents

Compressing and releasing mechanism Download PDF

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Publication number
CN111453003A
CN111453003A CN202010420840.9A CN202010420840A CN111453003A CN 111453003 A CN111453003 A CN 111453003A CN 202010420840 A CN202010420840 A CN 202010420840A CN 111453003 A CN111453003 A CN 111453003A
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CN
China
Prior art keywords
assembly
base
locking
locking assembly
release mechanism
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Pending
Application number
CN202010420840.9A
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Chinese (zh)
Inventor
金亚方
李友豪
倪家伟
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Suzhou Fuchang Space Technology Co ltd
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Suzhou Fuchang Space Technology Co ltd
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Publication date
Application filed by Suzhou Fuchang Space Technology Co ltd filed Critical Suzhou Fuchang Space Technology Co ltd
Priority to CN202010420840.9A priority Critical patent/CN111453003A/en
Publication of CN111453003A publication Critical patent/CN111453003A/en
Pending legal-status Critical Current

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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
    • B64G1/64Systems for coupling or separating cosmonautic vehicles or parts thereof, e.g. docking arrangements
    • 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
    • B64G1/645Separators

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  • Engineering & Computer Science (AREA)
  • Remote Sensing (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Portable Nailing Machines And Staplers (AREA)

Abstract

The invention relates to the technical field of spaceflight, and discloses a compressing and releasing mechanism, which comprises: the base is arranged on a satellite star or a machine body, and an unlocking release cavity is arranged in the base; the sliding block is connected to the inner wall of the unlocking release cavity in a sliding mode; the locking assembly is tightly pressed after the sliding block is tightly bound in a sliding mode, one end of the locking assembly is limited and tightly pressed in the unlocking release cavity, and the other end of the locking assembly is used for pressing the pressing part on the satellite star body or the satellite body; the tensioning and releasing assembly is mounted on the base and can press or unlock the sliding block and the locking assembly in a butting mode; and the separating piece is connected between the locking assembly and the pressing part and is used for enabling the locking assembly to be disengaged from the unlocking release cavity. The compressing and releasing mechanism has fast response, small generated impact, no pollution and reusability.

Description

Compressing and releasing mechanism
Technical Field
The invention relates to the technical field of spaceflight, in particular to a compressing and releasing mechanism.
Background
In the field of aerospace technology, a compression release mechanism is widely used, and the compression release mechanism is used in aspects such as unfolding and releasing of an antenna and a solar panel, separating a rocket from a satellite and the like. The compaction release mechanism can compact and restrain the compaction component on the satellite star body or the satellite body at certain stages, and can release the restraint on the compaction component after receiving an instruction, so that the compaction component is separated from the satellite star body or the satellite body.
At present, most of compression release mechanisms commonly used in the aerospace field are initiating devices, and release of parts is realized by utilizing combustion or explosion of gunpowder. However, the initiating explosive device can generate severe impact on the structure and parts during working, electronic equipment and optical elements on the aerospace equipment are easily damaged, potential safety hazards are obvious, the initiating explosive device can only be used once, pollution is easily caused, the test cost is high, special storage and transportation conditions are required, and the application cost of the initiating explosive device in a compression release mechanism in the aerospace field is high.
Disclosure of Invention
The invention aims to provide a compression release mechanism which has the advantages of small impact generated during working, no pollution and reusability.
In order to achieve the purpose, the invention adopts the following technical scheme:
a compression release mechanism comprising:
the base is arranged on a satellite star or a machine body, and an unlocking release cavity is arranged in the base;
the sliding block is connected to the inner wall of the unlocking release cavity in a sliding mode;
the locking assembly is tightly pressed after the sliding block is tightly bound in a sliding mode, one end of the locking assembly is limited and tightly pressed in the unlocking release cavity, and the other end of the locking assembly is used for pressing the pressing part on the satellite star body or the satellite body;
the tensioning and releasing assembly is mounted on the base and can press or unlock the sliding block and the locking assembly in a butting mode;
a release member connected between the locking assembly and the hold down member for disengaging the locking assembly from the unlock release cavity.
Preferably, the tensioning and releasing assembly comprises a hot knife assembly, a tensioning rope and a first spring, the hot knife assembly is mounted on the base, the first spring is connected between the base and the sliding block, and the tensioning rope abuts against the hot knife assembly and pulls the sliding block to be pressed on the base.
Preferably, a second accommodating cavity is formed in the base, and the hot knife assembly is arranged in the second accommodating cavity.
Preferably, the hot knife assembly comprises a hot knife resistor and a circuit board, the hot knife resistor is electrically connected with the circuit board, and the tensioning rope abuts against the hot knife resistor.
Preferably, the tension rope is made of polyethylene.
Preferably, the base is provided with a first connecting hole, a second connecting hole and a fastening screw, the first connecting hole is communicated with the unlocking release cavity, the second connecting hole is communicated with the second accommodating cavity, the tightening rope is connected to the fastening screw, and the tightening rope is inserted into the first connecting hole and the second connecting hole and tightened on the slider.
Preferably, the locking device further comprises a bottom cover plate, wherein the bottom cover plate is connected to the base and covers the unlocking release cavity and the second accommodating cavity.
Preferably, the slider is provided with a rope threading groove, and the tensioning rope is tightened in the rope threading groove.
Preferably, the locking assembly comprises a locking block and a locking bolt, the locking bolt is connected to the locking block, the locking block is tightly pressed on the sliding block after being tightened in a sliding mode, and the separating piece is connected between the locking bolt and the pressing part.
Preferably, the separating member is provided as a second spring which is connected in compression between the locking assembly and the pressing member.
The invention has the beneficial effects that:
the invention provides a compression release mechanism, wherein a sliding block of the compression release mechanism is connected to the inner wall of an unlocking release cavity of a base in a sliding manner, and the sliding block is compressed on a locking assembly of the compression release mechanism after being fastened in a sliding manner, so that one end of the locking assembly is limited and compressed in the unlocking release cavity. The tensioning and releasing assembly of the pressing and releasing mechanism is arranged on the base and can press or unlock the abutting joint of the sliding block and the locking assembly. The separation piece of the compression release mechanism is connected between the locking assembly and the compression component, and the separation piece is used for enabling the locking assembly to be disengaged from the unlocking release cavity.
Through the structure, the compressing and releasing mechanism can constrain the sliding block to enable the sliding block to be abutted against the locking assembly when not in work, one end of the locking assembly is limited and compressed in the unlocking and releasing cavity, the other end of the locking assembly presses the compressing part on the satellite star body or the satellite body through the pressing separating piece, the constraint between the compressing part and the satellite star body or the satellite body is realized, and the compressing function of the compressing and releasing mechanism on the compressing part is realized; when this compress tightly release mechanism during operation, taut release assembly action makes slider unblock and locking Assembly's butt, the separator is to locking assembly effect, make locking assembly's one end deviate from unblock release chamber, locking assembly's the other end loses the effect of pressing to compressing tightly the part, compress tightly the part and release from satellite star or organism, the release function of this compress tightly release mechanism to compressing tightly the part has been realized, the power that should compress tightly release mechanism release and compress tightly the part is provided by the separator, the during operation is not only responded to soon, the impact of production is little, and the use of firer device has still been avoided, and is pollution-free not only, and can used repeatedly, be favorable to reducing this use cost who compresses tightly release mechanism.
Drawings
FIG. 1 is a cross-sectional view of a compression release mechanism provided in accordance with an embodiment of the present invention;
fig. 2 is a schematic diagram of a compression release mechanism provided in accordance with an embodiment of the present invention with a bottom cover plate removed.
In the figure:
1. a base; 11. unlocking the release chamber; 111. locking the disengaging port; 12. a second accommodating cavity; 13. a first connection hole; 14. a second connection hole; 15. fastening screws; 2. a slider; 21. rope threading grooves; 3. a locking assembly; 31. a locking block; 311. an abutment lug; 32. locking the bolt; 4. a tension release assembly; 41. a hot knife assembly; 411. a hot knife resistor; 412. a circuit board; 42. tensioning the rope; 43. a first spring; 5. a separating member; 6. a bottom cover plate; 100. and a pressing part.
Detailed Description
In order to make the technical problems solved, technical solutions adopted and technical effects achieved by the present invention clearer, the technical solutions of the embodiments of the present invention will be described in further detail below with reference to the accompanying drawings, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, removably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
The technical solutions provided by the embodiments of the present invention are further described below.
The embodiment provides a compression and release mechanism, as shown in fig. 1 and 2, the compression and release mechanism includes a base 1, a slider 2, a locking assembly 3, a tensioning and release assembly 4 and a separating member 5, the base 1 is mounted on a satellite star or a satellite body, the tensioning and release assembly 4 is mounted on the base 1, the slider 2 is slidably connected to the base 1 and can be slidably tightened to compress one end of the locking assembly 3, the tensioning and release assembly 4 is used for compressing or unlocking the abutment of the slider 2 and the locking assembly 3, the separating member 5 is connected between the locking assembly 3 and the compression part 100, and the other end of the locking assembly 3 can press the compression part 100 onto the satellite star or the satellite body through the separating member 5.
The pressing and releasing mechanism can restrict the sliding block 2 to press the sliding block 3 tightly when not in work, limit one end of the locking component 3 to press the base 1 to prevent the locking component 3 from being separated from the base 1, and press the pressing part 100 on a satellite star body or a satellite body through the pressing and separating part 5 at the other end of the locking component 3 to realize the pressing function of the pressing part 100; when the compressing and releasing mechanism works, the tensioning and releasing component 4 acts to unlock the sliding block 2 and abut against the locking component 3, the separating piece 5 acts to separate one end of the locking component 3 from the base 1, and the other end of the locking component 3 loses the limiting and compressing effect on the compressing component 100, so that the releasing function of the compressing component 100 is realized. Because the power for releasing the compressing component 100 by the compressing and releasing mechanism is provided by the separating piece 5, the compressing and releasing mechanism not only has quick response and small generated impact during working, but also can avoid the use of an initiating explosive device, has no pollution, can be repeatedly used, and is beneficial to reducing the use cost of the compressing and releasing mechanism.
In this embodiment, base 1 is inside to be equipped with unblock release chamber 11, and slider 2 sliding connection is on the inner wall of unblock release chamber 11, and slider 2 can compress tightly the one end of locking Assembly 3 spacing in unblock release chamber 11, not only can play the guard action to slider 2, still is favorable to reducing the space that this mechanism that compresses tightly occupy. Preferably, a locking release opening 111 is formed in the unlocking release cavity 11, and the locking assembly 3 is inserted through the locking release opening 111, so that one end of the locking assembly 3 extending out of the locking release opening 111 can press the pressing part 100. More preferably, the base 1 is provided with a second accommodating cavity 12, and part of the components of the tensioning and releasing assembly 4 are arranged in the second accommodating cavity 12, so that not only can part of the components of the tensioning and releasing assembly 4 be protected, but also the space occupied by the compressing and releasing assembly can be reduced. In this embodiment, this compress tightly release mechanism still includes bottom cover plate 6, and bottom cover plate 6 is connected on base 1 to on unblock release chamber 11 and second holding chamber 12 are located to the lid, can protect the part in unblock release chamber 11 and the second holding chamber 12, guarantee its normal work.
Preferably, as shown in fig. 2, the tension releasing assembly 4 comprises a hot knife assembly 41, a tension rope 42 and a first spring 43, the hot knife assembly 41 is installed in the second accommodating cavity 12, the first spring 43 is connected between the base 1 and the slider 2, the tension rope 42 abuts against the hot knife assembly 41, and after being tightened, the slider 2 can be pulled to press the first spring 43 against the base 1, so that the first spring 43 is compressed and abutted between the base 1 and the slider 2. More preferably, the base 1 is provided with a first mounting groove, the slider 2 is provided with a second mounting groove, and two ends of the first spring 43 are respectively arranged in the first mounting groove and the second mounting groove, so that the first spring 43 can be conveniently positioned. In this embodiment, the base 1 is provided with a first connection hole 13, a second connection hole 14 and a fastening screw 15, the first connection hole 13 is communicated with the unlocking release cavity 11, the second connection hole 14 is communicated with the second accommodating cavity 12, the tightening rope 42 is fastened on the fastening screw 15, the tightening rope 42 penetrates through the first connection hole 13 and the second connection hole 14 and tightens the slider 2, so that the slider 2 keeps compressing the first spring 43 under the action of the tightening rope 42, and the slider 2 can compress the locking assembly 3. Preferably, the slider 2 is provided with a rope threading groove 21, the tightening rope 42 is tightened in the rope threading groove 21, and the rope threading groove 21 can position the tightening rope 42, which is beneficial to preventing the tightening rope 42 from sliding off the slider 2.
In this embodiment, the hot blade assembly 41 includes a hot blade resistor 411 and a circuit board 412, the hot blade resistor 411 is electrically connected to the circuit board 412, and the tensioning rope 42 abuts against the hot blade resistor 411, so that the tensioning rope 42 can be fused after the hot blade resistor 411 is powered on and generates heat. Preferably, the tensioning rope 42 is made of polyethylene, so that not only the tensioning rope 42 has excellent low temperature resistance and can be suitable for the space environment, but also the tensioning rope 42 can be smoothly fused by the hot knife resistor 411.
Preferably, the locking assembly 3 comprises a locking block 31 and a locking bolt 32, a threaded end of the locking bolt 32 is connected to the locking block 31, the slider 2 is tightened by a tightening rope 42 and then compressed against the locking block 31, the separating member 5 is connected between a bolt head of the locking bolt 32 and the compressing part 100, and the separating member 5 is pressed against the compressing part 100 by the locking bolt 32. More preferably, the locking block 31 is provided with an abutting lug 311, and the abutting lug 311 is in sliding abutting contact with the slider 2, so that the locking block 31 and the slider 2 can be in sliding abutting contact conveniently. In this embodiment, the separating member 5 is provided as a second spring which is compressed and abutted between the lock bolt 32 and the pressing member 100, and the second spring can drive the lock assembly 3 to be disengaged from the unlock releasing chamber 11 through the lock disengaging opening 111 when the slider 2 loses abutment to the lock block 31.
The operation of the compression release mechanism provided in this embodiment will be described.
When the compressing and releasing mechanism works, the hot knife resistor 411 is electrified to generate heat, the tensioning rope 42 is fused by the hot knife resistor 411, the tensioning rope 42 loses the binding and restraining of the sliding block 2, the first spring 43 extends under the action of elastic restoring force to drive the sliding block 2 to slide, so that the sliding block 2 is unlocked and abutted to the locking block 31, the second spring extends under the action of elastic restoring force to drive the locking assembly 3 to be separated from the locking and releasing port 111 and unlock the releasing cavity 11, the locking assembly 3 loses the pressing of the compressing component 100, and the compressing and releasing mechanism releases the compressing component 100.
It can be understood that the compressing and releasing mechanism provided by the embodiment is not limited to be applied to the technical field of aerospace, but can also be applied to other fields requiring compressing and releasing of components, and when the compressing and releasing mechanism works, not only is the impact generated smaller, but also the use of an initiating explosive device can be avoided, no pollution is generated, and the compressing and releasing mechanism can be repeatedly used, thereby being beneficial to reducing the use cost of the compressing and releasing mechanism.
It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Numerous obvious variations, adaptations and substitutions will occur to those skilled in the art without departing from the scope of the invention. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims (10)

1. A compression release mechanism, comprising:
the satellite unlocking device comprises a base (1), wherein the base (1) is arranged on a satellite star or a satellite body, and an unlocking release cavity (11) is arranged inside the base (1);
the sliding block (2) is connected to the inner wall of the unlocking release cavity (11) in a sliding mode;
the locking assembly (3) is tightly pressed after the sliding block (2) is tightly bound in a sliding mode, one end of the locking assembly (3) is limited and pressed in the unlocking release cavity (11), and the other end of the locking assembly (3) is used for pressing the pressing part (100) on the satellite star or the satellite body;
the tensioning and releasing assembly (4), the tensioning and releasing assembly (4) is installed on the base (1), and the tensioning and releasing assembly (4) can press or unlock the abutting joint of the sliding block (2) and the locking assembly (3);
a separating member (5), the separating member (5) being connected between the locking assembly (3) and the pressing member (100) for disengaging the locking assembly (3) from the unlocking release chamber (11).
2. The compression release mechanism according to claim 1, wherein the tension release assembly (4) comprises a hot knife assembly (41), a tension cord (42) and a first spring (43), the hot knife assembly (41) being mounted on the base (1), the first spring (43) being connected between the base (1) and the slider (2), the tension cord (42) abutting on the hot knife assembly (41) and pulling the slider (2) to compress on the base (1).
3. The compression release mechanism according to claim 2, wherein the base (1) is provided with a second accommodating cavity (12), and the hot knife assembly (41) is arranged in the second accommodating cavity (12).
4. The compression release mechanism of claim 2, wherein the hot-knife assembly (41) comprises a hot-knife resistor (411) and a circuit board (412), the hot-knife resistor (411) being electrically connected to the circuit board (412), the tension cord (42) abutting on the hot-knife resistor (411).
5. The compression release mechanism of claim 2, wherein the tension cord (42) is made of polyethylene.
6. The compression release mechanism according to claim 3, wherein a first connection hole (13), a second connection hole (14) and a fastening screw (15) are formed in the base (1), the first connection hole (13) is communicated with the unlocking release chamber (11), the second connection hole (14) is communicated with the second accommodating chamber (12), the tightening rope (42) is connected to the fastening screw (15), and the tightening rope (42) is inserted into the first connection hole (13) and the second connection hole (14) and tightened on the slider (2).
7. The compression release mechanism of claim 3, further comprising a bottom cover plate (6), wherein the bottom cover plate (6) is connected to the base (1) and covers the unlocking release chamber (11) and the second receiving chamber (12).
8. The compression release mechanism according to claim 6, wherein the slider (2) is provided with a threading groove (21), and the tension rope (42) is tightened in the threading groove (21).
9. The compression release mechanism according to claim 1, wherein the locking assembly (3) comprises a locking block (31) and a locking bolt (32), the locking bolt (32) is connected to the locking block (31), the locking block (31) is slidably tightened to compress the slider (2), and the separator (5) is connected between the locking bolt (32) and the compressing member (100).
10. The compression release mechanism according to claim 1, wherein the separate piece (5) is provided as a second spring which is connected in compression between the locking assembly (3) and the compression member (100).
CN202010420840.9A 2020-05-18 2020-05-18 Compressing and releasing mechanism Pending CN111453003A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010420840.9A CN111453003A (en) 2020-05-18 2020-05-18 Compressing and releasing mechanism

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010420840.9A CN111453003A (en) 2020-05-18 2020-05-18 Compressing and releasing mechanism

Publications (1)

Publication Number Publication Date
CN111453003A true CN111453003A (en) 2020-07-28

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CN202010420840.9A Pending CN111453003A (en) 2020-05-18 2020-05-18 Compressing and releasing mechanism

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112660420A (en) * 2021-01-20 2021-04-16 北京微纳星空科技有限公司 Compressing and releasing device and spacecraft
CN114013690A (en) * 2021-11-23 2022-02-08 北京微纳星空科技有限公司 Synchronous unlocking and releasing mechanism and distributed locking and separating device
CN114963892A (en) * 2021-02-19 2022-08-30 北京九天微星科技发展有限公司 Connecting and unlocking device suitable for multi-satellite separation
CN115610703A (en) * 2022-10-26 2023-01-17 深圳市魔方卫星科技有限公司 Pull type compressing and releasing device and using method
CN115848646A (en) * 2022-12-16 2023-03-28 苏州馥昶空间技术有限公司 Supporting mechanism of space camera

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112660420A (en) * 2021-01-20 2021-04-16 北京微纳星空科技有限公司 Compressing and releasing device and spacecraft
CN114963892A (en) * 2021-02-19 2022-08-30 北京九天微星科技发展有限公司 Connecting and unlocking device suitable for multi-satellite separation
CN114013690A (en) * 2021-11-23 2022-02-08 北京微纳星空科技有限公司 Synchronous unlocking and releasing mechanism and distributed locking and separating device
CN115610703A (en) * 2022-10-26 2023-01-17 深圳市魔方卫星科技有限公司 Pull type compressing and releasing device and using method
CN115610703B (en) * 2022-10-26 2024-05-10 深圳市魔方卫星科技有限公司 Pull-type compression release device and use method
CN115848646A (en) * 2022-12-16 2023-03-28 苏州馥昶空间技术有限公司 Supporting mechanism of space camera
CN115848646B (en) * 2022-12-16 2023-10-27 苏州馥昶空间技术有限公司 Supporting mechanism of space camera

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