CN112109927B - Universal hatch door type locking and separating device for pico-satellite - Google Patents
Universal hatch door type locking and separating device for pico-satellite Download PDFInfo
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- CN112109927B CN112109927B CN202010996543.9A CN202010996543A CN112109927B CN 112109927 B CN112109927 B CN 112109927B CN 202010996543 A CN202010996543 A CN 202010996543A CN 112109927 B CN112109927 B CN 112109927B
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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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Abstract
The invention relates to a universal hatch door type locking and separating device for a pico-satellite, and belongs to the technical field of aviation aircraft equipment. The satellite separation device comprises a separation frame fixed on a rocket, wherein the satellite is positioned in the separation frame, one end of the separation frame is provided with an opening, a cabin door is arranged at the opening end through a hinge, a locking mechanism for locking the cabin door is arranged on the separation frame, and a push-off mechanism for pushing the satellite out is arranged in the separation frame; the locking mechanism includes: the buckle plate is provided with a boss which is used for hooking the free side of the cabin door towards the inner direction of the separation frame; the titanium rod is used for pulling the pinch plate, one end of the titanium rod is fixed on the pinch plate, and the other end of the titanium rod is fixed on the initiating explosive device base; the initiating explosive device base is provided with an initiating explosive device for cutting off the titanium rod. The pico-satellite locking and separating device is stable and simple in structure, convenient to install, reliable in operation and capable of locking and separating pico-satellites in special shapes.
Description
Technical Field
The invention relates to the technical field of aviation aircraft equipment, in particular to a cabin door type locking and separating device commonly used for pico-satellites.
Background
The conventional pico-satellite, particularly the cube satellite, is wrapped in the sealed separation mechanism, but for the pico-satellite with a special shape, the original sealed separation mechanism is not applicable, and a special locking and separation device needs to be designed.
Since the launching cost of a satellite is directly related to the weight of the whole satellite, the launching cost of the satellite is generally $ 2 million per kilogram, the locking and separating device of the satellite is a part of the whole satellite, the weight of the locking and separating device occupies a considerable proportion, and how to effectively reduce the weight is always a concern of many experts and scholars.
For example, patent document with application publication number CN106628274A discloses a locking and separating device for a cubic satellite, when the satellite needs to be locked, a plurality of pressing moving parts are abutted against corresponding positioning blocks, and all the pressing moving parts are hooped by nylon ropes, when the satellite needs to be separated, the hot knife is powered on, the nylon ropes are fused under the action of the hot knife, the pressing moving parts are separated from the satellite under the action of satellite unlocking, and the nylon ropes are bounced off, so that the satellite is completely separated.
However, the conventional locking and separating device has the disadvantages of unstable structure, complex structure, heavy weight and impact on unlocking.
Disclosure of Invention
The invention aims to provide a hatch door type locking and separating device commonly used for pico-satellites, which has the advantages of stable and simple structure, convenience in installation and reliability in operation, and can lock and separate pico-satellites in special shapes.
In order to achieve the purpose, the general hatch door type locking and separating device for pico-satellites provided by the invention comprises a separating frame fixed on a rocket, wherein the satellite is positioned in the separating frame, one end of the separating frame is provided with an opening, a hatch door is arranged at the opening end through a hinge, a locking mechanism for locking the hatch door is arranged on the separating frame, and a pushing-off mechanism for pushing the satellite out is arranged in the separating frame; the locking mechanism includes:
the buckle plate is provided with a boss used for hooking the free side of the cabin door towards the inner direction of the separation frame;
the titanium rod is used for pulling the pinch plate, one end of the titanium rod is fixed on the pinch plate, and the other end of the titanium rod is fixed on the initiating explosive device base;
and the initiating explosive device base is provided with an initiating explosive device for cutting off the titanium rod.
According to the technical scheme, during installation, the initiating explosive device base is fixed on the separation frame, the pinch plate is installed on the separation frame, the titanium rod is installed on the pinch plate, the cabin door is fixed on the separation frame, the push-off mechanism is installed at the bottom in the separation frame, the satellite is installed in the separation frame and presses the push-off mechanism, the cabin door is closed, the initiating explosive device is installed at the moment, and the other end of the titanium rod is fixed on the initiating explosive device base. When the satellite needs to be separated, the initiating explosive device cuts off the titanium rod, the buckle plate is separated from the cabin door, the satellite starts to be separated, and the cabin door is locked after being opened to a certain position, so that the satellite is separated.
In order to facilitate the quick detachment of the striker plate from the door, optionally, in an embodiment, the locking mechanism further includes a slide rail disposed on the separation frame, and the striker plate is engaged with the slide rail.
Optionally, in an embodiment, the slide rail includes two sets of parallel rails, which are respectively located on two sides of the buckle plate, and the sliding direction of the buckle plate is parallel to the titanium rod.
In order to further accelerate the separation of the buckle plate from the door, optionally, in an embodiment, the locking mechanism further includes a first compression spring disposed between the buckle plate and the separation frame.
Optionally, in an embodiment, two parallel guide rods are arranged at the tail end of the pinch plate, a guide rod seat is installed on the separation frame, the guide rods are movably installed on the guide rod seat, the first pressure spring is sleeved on the guide rods, and two ends of the first pressure spring respectively abut against the pinch plate and the guide rod seat.
Optionally, in an embodiment, the pushing-away mechanism includes a second compression spring disposed in the separation frame, and a pushing plate disposed at an end of the second compression spring, and the pushing plate abuts against a tail of the satellite.
To facilitate the opening of the door, optionally, in one embodiment, the hinge is a return hinge that opens the striker plate.
Optionally, in an embodiment, the separation frame is provided with a fixing seat for mounting the titanium rod.
Optionally, in one embodiment, the satellite is provided with a drawbar at the end, and the door is a U-shaped door, for ease of manufacture and installation.
Compared with the prior art, the invention has the advantages that:
according to the cabin door type locking and separating device for the pico-satellite, the locking mechanism, the cabin door, the buckle plate and the titanium rod are arranged on the separating frame, so that the locking of the special pico-satellite can be effectively realized, the unlocking of the satellite can be effectively realized by cutting off the titanium rod, the locking and unlocking functions of the cabin door used by the special pico-satellite are realized, the structure is simple, the installation is convenient, the work is stable, and the development cost is low.
Drawings
FIG. 1 is a front view of an apparatus in an embodiment of the invention with a satellite in a locked state;
FIG. 2 is a top view of the device with a satellite in a locked position according to an embodiment of the present invention;
FIG. 3 is a right side view of the device with the satellite in a locked state in accordance with an embodiment of the present invention;
FIG. 4 is a front view of the device during the unlocking process of the satellite in an embodiment of the present invention;
FIG. 5 is a top view of the device during the unlocking process of the satellite in an embodiment of the present invention;
fig. 6 is a front view of the device with the satellites in a separated state in accordance with an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be further described with reference to the following embodiments and accompanying drawings. It is to be understood that the embodiments described are only a few 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 described embodiments without any inventive step, are within the scope of protection of the invention.
Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this invention belongs. The use of the word "comprise" or "comprises", and the like, in the context of this application, is intended to mean that the elements or items listed before that word, in addition to those listed after that word, do not exclude other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships may also be changed accordingly.
Examples
Referring to fig. 1 to 3, the universal hatch locking and separating device for pico satellites of the present embodiment includes a separation frame 100 fixed on a rocket, a satellite 200 is located in the separation frame 100, one end of the separation frame 100 is open, a U-shaped hatch 300 is installed at the open end through a hinge 101, a pull rod 201 is disposed at an end of the satellite 200, the U-shaped hatch 300 can be retracted from the pull rod 201, a locking mechanism for locking the U-shaped hatch 300 is disposed on the separation frame 100, and a push-off mechanism for pushing out the satellite 200 is disposed inside the separation frame 100. The hinge 101 is a return hinge, making the maximum opening angle of the U-door 300 120 degrees.
In this embodiment, the locking mechanism includes:
a buckle plate 102 provided with a boss for hooking the free side of the door 300 toward the inside of the separation frame 100;
the two slide rails 103 are arranged in parallel, and two sides of the buckle plate 102 are respectively in sliding fit with the two slide rails 103;
the titanium rod 104 is used for pulling the buckle plate 102, one end of the titanium rod is fixed on the buckle plate 102, and the other end of the titanium rod is fixed on the initiating explosive device base 105; the slide rail 103 is parallel to the titanium rod 104;
an initiating explosive device base 105, on which an initiating explosive device 106 for cutting off the titanium rod 103 is arranged;
a guide rod 110 positioned at the tail end of the buckle plate 102;
a guide rod seat 111 fixed on the separation frame 100, wherein the end part of the guide rod 110 is movably arranged on the guide rod seat 111;
and the first pressure spring 107 is sleeved on the guide rod 110, and two ends of the first pressure spring respectively abut against the buckle plate 102 and the guide rod seat 111.
In this embodiment, the push-off mechanism includes a second pressure spring 108 disposed in the separation frame 100, and a push plate 109 disposed at an end of the second pressure spring 108, and the push plate 109 abuts against a tail of the satellite 200.
During installation, the guide rod seat 111 and the initiating explosive device base 105 are fixed on the separation frame 100, the slide rail 103 and the buckle plate 102 are installed on the separation frame 100 in a matched mode, the titanium rod 104 is installed on the buckle plate 102, one end of the first pressure spring 107 is connected with the guide rod seat 111, the other end of the first pressure spring is connected with the buckle plate 102, the U-shaped cabin door 300 and the locking mechanism are fixed on the separation frame 100, one end of the second pressure spring 108 is installed at the bottom of the separation frame 100, the other end of the second pressure spring is installed on the push plate 109, the push plate 109 is placed into the separation frame 100, the U-shaped cabin door 300 is installed into the separation frame 100, the second pressure spring 108 is compressed until the U-shaped cabin door 300 is closed, the initiating explosive device 106 is installed at the moment, and the other end of the titanium rod 104 is fixed on the initiating explosive device base 105. When the satellite needs to be locked, the satellite is loaded into the separation frame 100, the satellite compresses the second compression spring 108 through the push plate 109, the U-shaped door 300 is closed, the U-shaped door 300 is compressed through the buckle plate 102, the buckle plate 102 is tensioned through the guide rod 110, the guide rod 110 is provided with the first compression spring 107, and the buckle plate 102 is fixed through the titanium rod 104 after the first compression spring 107 is compressed. When the satellite 200 needs to be separated, the initiating explosive device 106 cuts off the titanium rod 104, the buckle plate 102 is quickly separated from the U-shaped cabin door 300 along the slide rail 103 under the action of the first pressure spring 107, the satellite 200 starts to be separated, and the U-shaped cabin door 300 is locked after being opened to a certain position, so that the satellite 200 is separated, and refer to fig. 4 to 6.
Claims (5)
1. A universal hatch door type locking and separating device for pico-satellites comprises a separating frame fixed on a rocket, wherein the satellite is positioned in the separating frame, and the universal hatch door type locking and separating device is characterized in that one end of the separating frame is open, a hatch door is arranged at the open end through a hinge, a locking mechanism for locking the hatch door is arranged on the separating frame, and a pushing-off mechanism for pushing the satellite out is arranged in the separating frame;
the locking mechanism includes:
the buckle plate is provided with a boss used for hooking the free side of the cabin door towards the inner direction of the separation frame;
the titanium rod is used for pulling the pinch plate, one end of the titanium rod is fixed on the pinch plate, and the other end of the titanium rod is fixed on the initiating explosive device base;
the initiating explosive device base is provided with an initiating explosive device for cutting off the titanium rod;
the locking mechanism further comprises a first pressure spring arranged between the pinch plate and the separation frame;
the tail end of the pinch plate is provided with two parallel guide rods, the separation frame is provided with a guide rod seat, the guide rods are movably arranged on the guide rod seat, the first pressure spring is sleeved on the guide rods, and two ends of the first pressure spring are respectively abutted against the pinch plate and the guide rod seat;
the locking mechanism also comprises a slide rail arranged on the separating frame, and the pinch plate is matched with the slide rail;
the slide rails comprise two groups which are arranged in parallel and are respectively positioned on two sides of the pinch plate, and the sliding direction of the pinch plate is parallel to the titanium rod.
2. The pico-satellite universal hatch locking and separating device according to claim 1, wherein said push-off mechanism comprises a second compression spring disposed in said separation frame, and a push plate disposed at an end of said second compression spring, said push plate abutting against a tail of the satellite.
3. The pico-satellite universal hatch locking and release device of claim 1, wherein said hinge is a reset hinge with which said striker plate is opened.
4. The pico-satellite universal hatch locking and release device according to claim 1, wherein the release bracket is provided with a fixing seat for mounting the titanium rod.
5. The pico-satellite universal hatch door locking and release device according to claim 1, wherein said satellite is provided with a pull rod at the end and said hatch door is a U-shaped hatch door.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010996543.9A CN112109927B (en) | 2020-09-21 | 2020-09-21 | Universal hatch door type locking and separating device for pico-satellite |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010996543.9A CN112109927B (en) | 2020-09-21 | 2020-09-21 | Universal hatch door type locking and separating device for pico-satellite |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112109927A CN112109927A (en) | 2020-12-22 |
| CN112109927B true CN112109927B (en) | 2022-09-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010996543.9A Active CN112109927B (en) | 2020-09-21 | 2020-09-21 | Universal hatch door type locking and separating device for pico-satellite |
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Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102006043660B4 (en) * | 2006-09-18 | 2008-07-10 | Astro- Und Feinwerktechnik Adlershof Gmbh | Transport and ejection unit for picosatellites |
| JP5224117B2 (en) * | 2008-10-29 | 2013-07-03 | 株式会社エイ・イー・エス | Compact fixed / separation mechanism for space |
| CN102874419B (en) * | 2012-10-30 | 2015-01-14 | 浙江大学 | Separation mechanism device and separation method thereof for controlling separation movement of pico-satellite |
| CN107697321B (en) * | 2017-08-28 | 2019-07-16 | 浙江大学 | A kind of open locking separation device of skin satellite |
| CN107839904B (en) * | 2017-09-27 | 2019-12-13 | 北京空间飞行器总体设计部 | Pico-nano satellite orbit deployer |
| CN209585922U (en) * | 2018-09-30 | 2019-11-05 | 东莞市凯吉龙锁业有限公司 | A kind of electric padlock |
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2020
- 2020-09-21 CN CN202010996543.9A patent/CN112109927B/en active Active
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| CN112109927A (en) | 2020-12-22 |
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