CN110002013B - Non-initiating explosive device separating nut - Google Patents
Non-initiating explosive device separating nut Download PDFInfo
- Publication number
- CN110002013B CN110002013B CN201910414972.8A CN201910414972A CN110002013B CN 110002013 B CN110002013 B CN 110002013B CN 201910414972 A CN201910414972 A CN 201910414972A CN 110002013 B CN110002013 B CN 110002013B
- Authority
- CN
- China
- Prior art keywords
- unlocking
- connecting rod
- compression
- pressing
- base
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 239000002360 explosive Substances 0.000 title claims abstract description 12
- 230000000977 initiatory effect Effects 0.000 claims abstract description 10
- 230000006835 compression Effects 0.000 claims description 24
- 238000007906 compression Methods 0.000 claims description 24
- 239000002184 metal Substances 0.000 claims description 21
- 238000005056 compaction Methods 0.000 claims description 14
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 230000001360 synchronised effect Effects 0.000 claims 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64G—COSMONAUTICS; VEHICLES OR EQUIPMENT THEREFOR
- B64G1/00—Cosmonautic vehicles
- B64G1/22—Parts of, or equipment specially adapted for fitting in or to, cosmonautic vehicles
- B64G1/64—Systems for coupling or separating cosmonautic vehicles or parts thereof, e.g. docking arrangements
- B64G1/641—Interstage or payload connectors
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Remote Sensing (AREA)
- Aviation & Aerospace Engineering (AREA)
- Sheet Holders (AREA)
- Hooks, Suction Cups, And Attachment By Adhesive Means (AREA)
Abstract
The invention discloses a non-initiating explosive device separating nut which is characterized by comprising a pressing base (1), a base cover plate (2), a pin puller (3), a pressing block A (4), a pressing block B (5), an unlocking slip ring (6), a supporting connecting rod A (7), an unlocking connecting rod (8), a supporting connecting rod B (9), a pressing connecting rod (10), an unlocking spring A (11), an unlocking spring B (12), a pressing cover (13), a flat washer (14) and a locking screw (15); the separating nut is compact in appearance, high in compatibility, high in locking rigidity, low in impact, free of pollution, reusable, and capable of enabling the unlocking mechanism to act synchronously, and force is transmitted through the two-stage near-dead-center connecting rod mechanism, so that unlocking power provided by the unlocking spring is far greater than unlocking resistance, and unlocking reliability is improved.
Description
Technical Field
The invention relates to a separating nut, in particular to a separating nut without a fire tool.
Background
The separating nut is an axial connection and radial unlocking connection unlocking device and is widely applied to connection and separation of sections on a spacecraft. The principle of the split nut is that a complete nut is cut into split pieces, the split nut is tightly bound and matched with a screw to realize connection, and when the split nut is separated, the split nut is opened to achieve the aim of unlocking; at present, the common separating nut uses an initiating explosive device to realize the disassembly of the nut, has larger impact and can be used once, so that the separating nut without the initiating explosive device is necessary to be developed.
Disclosure of Invention
The invention aims to provide a non-initiating explosive device separating nut.
The technical scheme of the invention is as follows: the non-initiating explosive device separating nut is characterized by comprising a pressing base, a base cover plate, a pin puller, a pressing block A, a pressing block B, an unlocking slip ring, a supporting connecting rod A, an unlocking connecting rod, a supporting connecting rod B, a pressing connecting rod, an unlocking spring A, an unlocking spring B, a pressing cover, a flat washer and a locking screw;
the compaction base is a metal plate, a plurality of screw holes, 4 hinge holes and 4 lugs are arranged perpendicular to the plate surface, and through holes are formed in the lugs;
the base cover plate is a cuboid shell with an open bottom surface, the inner cavity is a cylinder, the side surface of the base cover plate is provided with a flange and a pin puller positioning hole, the lower end surface of the base cover plate is provided with a threaded hole, the center of the top of the base cover plate is provided with a through hole, and the upper surface of the inner cavity is provided with 4 hinge holes;
the pin puller is any pin pulling device and comprises a pin;
the compaction block A is a metal block body, the upper part of the compaction block A is a cylinder, the lower part of the compaction block A is a flange, and a through hole penetrating up and down is formed in the middle of the compaction block A;
the compaction block B is a metal block body, the lower part of the compaction block B is a cylinder, the upper part of the compaction block B is a flange, the center of the upper surface of the compaction block B is provided with two-stage counter bores, and the center of each counter bore is provided with a through hole;
the unlocking slip ring is a circular shell, the side wall of the unlocking slip ring is provided with pin holes, the inner side of the shell is provided with hinge holes which are symmetrically arranged at 180 degrees, the axis direction of the hinge holes is parallel to the axis direction of the circular ring, the lower surface of the circular ring is provided with 4 lugs, and the lugs are provided with through holes;
the support connecting rod A is a metal connecting rod;
the unlocking connecting rod is a metal connecting rod;
the support connecting rod B is a metal connecting rod;
the compression connecting rod is an L-shaped metal connecting rod, 2 hinge points are respectively arranged at the inflection point of L and one end point of L, and the other end of L is provided with a semi-cylindrical thread through groove;
the unlocking spring A is a tension spring;
the unlocking spring B is a pressure spring;
the compression cover is a cylindrical block body, and a through hole is formed in the middle of the compression cover;
the flat gasket is a standard component;
the locking screw is a standard component;
the unlocking connecting rod one end is hinged with the unlocking slip ring, the other end is hinged with the supporting connecting rod A and the supporting connecting rod B, the other end of the supporting connecting rod A is hinged with the pressing base and the base cover plate, the other end of the supporting connecting rod B is hinged with the pressing connecting rod, the inflection point of the pressing connecting rod is hinged with the pressing base and the base cover plate, the two groups of supporting connecting rods A, the unlocking connecting rod, the supporting connecting rod B and the pressing connecting rod are arranged in a central symmetry mode, one end of the unlocking spring A is connected with a lug of the unlocking slip ring, the other end of the unlocking spring A is connected with a lug of the pressing base, 4 unlocking springs A are arranged in a central symmetry mode, the base cover plate is fixedly connected with the pressing base through screws, the inner surface of the base cover plate is matched with the outline of the unlocking slip ring, a pin puller is fixedly connected with the base cover plate through screws, pins of the pin puller are inserted into pin holes of the unlocking slip ring, at the moment, a screw hole is formed, the pressing block A is pressed on the base cover plate, the pressing block B is pressed on the pressing block A, the pressing block B is placed in a next-stage counter bore of the pressing block B, the pressing cover is placed in the pressing block B, and the pressing screw hole is screwed into the counter bore formed.
The invention has the advantages that:
1. the separating nut is compact in structure and small in occupied area of the solar wing surface cloth piece;
2. the separating nut is unlocked by a non-initiating explosive device, has low impact and no pollution, and can be reused;
3. according to the separating nut, the unlocking power provided by the unlocking spring is far greater than the unlocking resistance through the force transmission of the two-stage near-dead-point connecting rod mechanism, so that the unlocking reliability is improved.
Drawings
FIG. 1 is an external view of a non-initiating explosive device split nut;
FIG. 2 is a top view of the unlocking mechanism in the locked state;
FIG. 3 is a top view of the unlocking mechanism in the unlocked state;
FIG. 4 is an exploded view of a non-initiating explosive device for separating nuts;
the specific embodiment is as follows:
as shown in fig. 1, 2, 3 and 4, a non-initiating explosive device separating nut is characterized by comprising a pressing base 1, a base cover plate 2, a pin puller 3, a pressing block A4, a pressing block B5, an unlocking slip ring 6, a supporting connecting rod A7, an unlocking connecting rod 8, a supporting connecting rod B9, a pressing connecting rod 10, an unlocking spring a11, an unlocking spring B12, a pressing cover 13, a flat washer 14 and a locking screw 15;
the pressing base 1 is a metal plate, a plurality of screw holes, 4 hinge holes and 4 lugs are arranged perpendicular to the plate surface, and through holes are formed in the lugs;
the base cover plate 2 is a cuboid shell with an open bottom surface, the inner cavity is a cylinder, a flange and a pin puller positioning hole are arranged on the side surface, a threaded hole is arranged on the lower end surface, a through hole is arranged in the center of the top, and 4 hinge holes are formed in the upper surface of the inner cavity;
the pin puller 3 is any pin pulling device and comprises a pin;
the compaction block A4 is a metal block body, the upper part is a cylinder, the lower part is a flange, and the middle is provided with a through hole penetrating up and down;
the compaction block B5 is a metal block, the lower part is a cylinder, the upper part is a flange, the center of the upper surface is provided with a two-stage counter bore, and the center of the counter bore is provided with a through hole;
the unlocking slip ring 6 is a circular shell, the side wall of the unlocking slip ring is provided with pin holes, the inner side of the shell is provided with hinge holes which are symmetrically arranged at 180 degrees, the axis direction of the hinge holes is parallel to the axis direction of the circular ring, the lower surface of the circular ring is provided with 4 lugs, and the lugs are provided with through holes;
the support connecting rod A7 is a metal connecting rod;
the unlocking connecting rod 8 is a metal connecting rod;
the support connecting rod B9 is a metal connecting rod;
the compression connecting rod 10 is an L-shaped metal connecting rod, 2 hinge points are respectively arranged at the inflection point of L and one end point of L, and the other end of L is provided with a semi-cylindrical thread through groove;
the unlocking spring A11 is a tension spring;
the unlocking spring B12 is a pressure spring;
the pressing cover 13 is a cylindrical block body, and a through hole is formed in the middle of the pressing cover;
the flat gasket 14 is a standard piece;
the locking screw 15 is a standard component;
one end of the unlocking connecting rod 8 is hinged with the unlocking slip ring 6, the other end of the unlocking connecting rod is simultaneously hinged with the supporting connecting rod A7 and the supporting connecting rod B9, the other end of the supporting connecting rod A7 is hinged with the pressing base 1 and the base cover plate 2, the other end of the supporting connecting rod B9 is hinged with the pressing connecting rod 10, the inflection point of the pressing connecting rod 10 is hinged with the pressing base 1 and the base cover plate 2, two groups of supporting connecting rods A7, the unlocking connecting rod 8, the supporting connecting rod B9 and the pressing connecting rod 10 are arranged in a central symmetry mode, one end of the unlocking spring A11 is connected with a lug of the unlocking slip ring 6, the other end of the unlocking spring A11 is connected with a lug of the pressing base 1, 4 unlocking springs A11 are arranged in a central symmetry mode, the base cover plate 2 is fixedly connected with the pressing base 1 through bolts, the inner surface of the base cover plate 2 is matched with the outer contour of the unlocking slip ring 6, the pin puller 3 is fixedly connected with the base cover plate 2 through bolts, pins of the pin puller 3 are inserted into pin holes of the unlocking slip ring 6, at the moment, semi-cylindrical threaded through grooves of the 2 pressing connecting rods 10 are opposite to form a screw hole, the pressing block A4 is pressed on the base cover plate 2, the pressing block B5 is pressed on the pressing block A4, the pressing block B12 is arranged in the pressing block B5, the pressing block B5 is arranged in the next step of the pressing block B5, the pressing block B2 is fixedly arranged, the pressing block B13 is fixedly arranged in the pressing block 13 through the pressing block 13, and the pressing block 13 is fixedly arranged in the pressing cover plate, and the pressing cover 13, and the pressing cover plate is screwed into the pressing cover 13, and the 13 is screwed in the pressing cover and the 13.
The above embodiment is a 2-layer compression case, and a specific embodiment may be more or less layer compression.
The working process comprises the following steps:
after the pin puller 3 pulls out the pin, the unlocking slip ring 6 is pulled by the unlocking spring A11, the unlocking connecting rod 8 is driven to rotate clockwise, the unlocking connecting rod 8 drives the supporting connecting rod A7 to rotate clockwise, meanwhile, the supporting connecting rod B9 and the pressing connecting rod 10 are driven to drive the pressing connecting rod 10 to move clockwise around the L-shaped inflection point of the supporting connecting rod B, the semi-cylindrical thread through grooves of the 2 pressing connecting rods 10 are synchronously expanded, the pressing cover 13 is pushed by the unlocking spring B12, the locking screw 15 and the flat washer 14 are driven to pop up, and the locking state among the pressing block B5, the pressing block A4 and the base cover plate 2 is relieved.
Claims (3)
1. The non-initiating explosive device separating nut is characterized by comprising a pressing base (1), a base cover plate (2), a pin puller (3), a pressing block A (4), a pressing block B (5), an unlocking slip ring (6), a supporting connecting rod A (7), an unlocking connecting rod (8), a supporting connecting rod B (9), a pressing connecting rod (10), an unlocking spring A (11), an unlocking spring B (12), a pressing cover (13), a flat washer (14) and a locking screw (15);
the compaction base (1) is a metal plate, a plurality of screw holes, 4 hinge holes and 4 lugs are arranged perpendicular to the plate surface, and through holes are formed in the lugs;
the base cover plate (2) is a cuboid shell with an open bottom surface, the inner cavity is a cylinder, the side surface of the base cover plate is provided with a flange and a pin puller positioning hole, the lower end surface of the base cover plate is provided with a threaded hole, the center of the top of the base cover plate is provided with a through hole, and the upper surface of the inner cavity is provided with 4 hinge holes;
the pin puller (3) is any pin pulling device and comprises a pin;
the compaction block A (4) is a metal block body, the upper part is a cylinder, the lower part is a flange, and a through hole penetrating up and down is arranged in the middle;
the compaction block B (5) is a metal block, the lower part is a cylinder, the upper part is a flange, the center of the upper surface is provided with two-stage counter bores, and the center of each counter bore is provided with a through hole;
the unlocking slip ring (6) is a circular shell, the side wall of the unlocking slip ring is provided with a pin hole, the inner side of the shell is provided with hinge holes which are symmetrically arranged at 180 degrees, the axis direction of the hinge holes is parallel to the axis direction of the circular ring, the lower surface of the circular ring is provided with 4 lugs, and the lugs are provided with through holes;
the support connecting rod A (7) is a metal connecting rod;
the unlocking connecting rod (8) is a metal connecting rod;
the support connecting rod B (9) is a metal connecting rod;
the compression connecting rod (10) is an L-shaped metal connecting rod, 2 hinge points are respectively arranged at the inflection point of the L and one end point of the L, and the other end of the L is provided with a semi-cylindrical thread through groove;
the unlocking spring A (11) is a tension spring;
the unlocking spring B (12) is a pressure spring;
the pressing cover (13) is a cylindrical block body, and a through hole is formed in the middle of the pressing cover;
the flat gasket (14) is a standard component;
the locking screw (15) is a standard component;
one end of an unlocking connecting rod (8) is hinged with an unlocking slip ring (6), the other end of the unlocking connecting rod is simultaneously hinged with a supporting connecting rod A (7) and a supporting connecting rod B (9), the other end of the supporting connecting rod A (7) is hinged with a compression base (1) and a base cover plate (2), the other end of the supporting connecting rod B (9) is hinged with a compression connecting rod (10), the inflection point of the compression connecting rod (10) is hinged with the compression base (1) and the base cover plate (2), two groups of supporting connecting rods A (7), the unlocking connecting rod (8), the supporting connecting rod B (9) and the compression connecting rod (10) are arranged in a central symmetry mode, one end of an unlocking spring A (11) is connected with a lug of the unlocking slip ring (6), the other end of the unlocking spring A (11) is connected with a lug of the compression base (1), 4 unlocking springs A (11) are arranged in a central symmetry mode, the base cover plate (2) is fixedly connected with the compression base (1) through screws, the inner surface of the base cover plate (2) is matched with the outer contour of the unlocking slip ring (6), at the moment, a pin puller (3) is fixedly connected with the base cover plate (2) through screws, pins of the puller (3) are inserted into pin holes of the unlocking slip ring (6), one half cylinder (10) is arranged on the compression block (4) and a screw hole is formed on the compression block (4) opposite to the compression base (4), the unlocking spring B (12) is arranged in a next-stage counter bore of the compression block B (5), the compression cover (13) is arranged in an upper-stage counter bore of the compression block B (5), and the locking screw (15) sequentially penetrates through the flat gasket (14), the compression cover (13), the compression block B (5), the compression block A (4) and the base cover plate (2) to be screwed into screw holes formed by the 2 compression connecting rods (10).
2. A split nut according to claim 1, characterized in that the two sets of support links a (7), unlocking links (8), support links B (9), hold-down links (10) have only 1 degree of freedom, the hold-down links (10) being synchronized.
3. A split nut according to claim 1, characterized in that the unlocking slip ring (6), the supporting link a (7), the unlocking link (8), the supporting link B (9), the pressing link (10) form a two-stage near dead point linkage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910414972.8A CN110002013B (en) | 2019-05-17 | 2019-05-17 | Non-initiating explosive device separating nut |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910414972.8A CN110002013B (en) | 2019-05-17 | 2019-05-17 | Non-initiating explosive device separating nut |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110002013A CN110002013A (en) | 2019-07-12 |
| CN110002013B true CN110002013B (en) | 2024-04-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910414972.8A Active CN110002013B (en) | 2019-05-17 | 2019-05-17 | Non-initiating explosive device separating nut |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110002013B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110481817B (en) * | 2019-09-04 | 2024-03-26 | 北京微分航宇科技有限公司 | Repeated on-orbit locking mechanism |
| CN111114840A (en) * | 2020-03-16 | 2020-05-08 | 北京微分航宇科技有限公司 | Double-folded solar wing unlocking and unfolding mechanism |
| CN112572843B (en) * | 2020-12-15 | 2024-07-05 | 沈阳航天新光集团有限公司 | Connection locking device |
| CN114194416B (en) * | 2021-01-26 | 2024-06-18 | 北京灵翼航宇科技有限公司 | Non-initiating explosive device unlocking device based on dead point locking principle |
| CN113955155A (en) * | 2021-10-26 | 2022-01-21 | 北京微纳星空科技有限公司 | Split nut type unlocking and releasing device and reusable unlocking and releasing device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5221171A (en) * | 1992-10-15 | 1993-06-22 | G & H Technology, Inc. | Non-explosive separation nut |
| RU2396191C1 (en) * | 2009-03-18 | 2010-08-10 | Федеральное государственное унитарное предприятие "Государственный космический научно-производственный центр имени М.В. Хруничева" | Payload separation system |
| CN103863582A (en) * | 2014-03-19 | 2014-06-18 | 上海宇航系统工程研究所 | Spatial capturing and locking integrated device |
| KR101445499B1 (en) * | 2013-09-10 | 2014-09-29 | 조선대학교산학협력단 | A Separation Nut Type Non-explosive Holding and Release Mechanism |
| CN106742081A (en) * | 2016-11-29 | 2017-05-31 | 航天东方红卫星有限公司 | A kind of separating mechanism based on rotation pressure ring unblock |
| JP2017126338A (en) * | 2016-01-15 | 2017-07-20 | アディエント・エンジニアリング・アンド・アイピー・ゲゼルシャフト・ミット・ベシュレンクテル・ハフツング | Button assembly and removable unlock button, and application thereof |
| CN208576736U (en) * | 2018-07-12 | 2019-03-05 | 北京微分航宇科技有限公司 | A kind of multiple spot compresses the Payload Attach Fitting of synchronous release |
| CN209905105U (en) * | 2019-05-17 | 2020-01-07 | 北京微分航宇科技有限公司 | Separation nut of non-firer |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ITUB20159136A1 (en) * | 2015-12-16 | 2017-06-16 | Aerea Spa | DEVICE FOR CONNECTING AND RELEASING COMMANDED SPACE SATELLITES INSTALLED ON LAUNCHERS AND LOADS INSTALLED ON SPACE SATELLITES |
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2019
- 2019-05-17 CN CN201910414972.8A patent/CN110002013B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5221171A (en) * | 1992-10-15 | 1993-06-22 | G & H Technology, Inc. | Non-explosive separation nut |
| RU2396191C1 (en) * | 2009-03-18 | 2010-08-10 | Федеральное государственное унитарное предприятие "Государственный космический научно-производственный центр имени М.В. Хруничева" | Payload separation system |
| KR101445499B1 (en) * | 2013-09-10 | 2014-09-29 | 조선대학교산학협력단 | A Separation Nut Type Non-explosive Holding and Release Mechanism |
| CN103863582A (en) * | 2014-03-19 | 2014-06-18 | 上海宇航系统工程研究所 | Spatial capturing and locking integrated device |
| JP2017126338A (en) * | 2016-01-15 | 2017-07-20 | アディエント・エンジニアリング・アンド・アイピー・ゲゼルシャフト・ミット・ベシュレンクテル・ハフツング | Button assembly and removable unlock button, and application thereof |
| CN106742081A (en) * | 2016-11-29 | 2017-05-31 | 航天东方红卫星有限公司 | A kind of separating mechanism based on rotation pressure ring unblock |
| CN208576736U (en) * | 2018-07-12 | 2019-03-05 | 北京微分航宇科技有限公司 | A kind of multiple spot compresses the Payload Attach Fitting of synchronous release |
| CN209905105U (en) * | 2019-05-17 | 2020-01-07 | 北京微分航宇科技有限公司 | Separation nut of non-firer |
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| Publication number | Publication date |
|---|---|
| CN110002013A (en) | 2019-07-12 |
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