CN113280695A - But single face reassembling type disengaging structure device - Google Patents
But single face reassembling type disengaging structure device Download PDFInfo
- Publication number
- CN113280695A CN113280695A CN202110670002.1A CN202110670002A CN113280695A CN 113280695 A CN113280695 A CN 113280695A CN 202110670002 A CN202110670002 A CN 202110670002A CN 113280695 A CN113280695 A CN 113280695A
- Authority
- CN
- China
- Prior art keywords
- bolt
- explosive
- explosion
- nut
- explosive bolt
- 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.)
- Pending
Links
- 239000002360 explosive Substances 0.000 claims abstract description 88
- 238000004880 explosion Methods 0.000 claims abstract description 52
- 238000000926 separation method Methods 0.000 claims abstract description 12
- 210000003734 kidney Anatomy 0.000 claims 1
- 230000003139 buffering effect Effects 0.000 abstract description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 8
- 229910052782 aluminium Inorganic materials 0.000 description 8
- 239000000463 material Substances 0.000 description 4
- 229920000049 Carbon (fiber) Polymers 0.000 description 2
- 229920006231 aramid fiber Polymers 0.000 description 2
- 239000004917 carbon fiber Substances 0.000 description 2
- 238000011900 installation process Methods 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000001413 cellular effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F42—AMMUNITION; BLASTING
- F42B—EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
- F42B15/00—Self-propelled projectiles or missiles, e.g. rockets; Guided missiles
- F42B15/36—Means for interconnecting rocket-motor and body section; Multi-stage connectors; Disconnecting means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F42—AMMUNITION; BLASTING
- F42B—EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
- F42B15/00—Self-propelled projectiles or missiles, e.g. rockets; Guided missiles
- F42B15/36—Means for interconnecting rocket-motor and body section; Multi-stage connectors; Disconnecting means
- F42B15/38—Ring-shaped explosive elements for the separation of rocket parts
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Aviation & Aerospace Engineering (AREA)
- Combustion & Propulsion (AREA)
- General Engineering & Computer Science (AREA)
- Connection Of Plates (AREA)
Abstract
The invention relates to the technical field of aerospace equipment, in particular to a single-side detachable separation structure device which mainly comprises an explosion bolt box, an explosion bolt nut and an explosion bolt nut fixing bolt, wherein the explosion bolt box consists of the explosion bolt box and a honeycomb buffering piece, and the explosion bolt nut can be fixed through the explosion bolt nut fixing bolt. The explosive bolt nut is designed with a pointed structure and a conical surface. The device is suitable for single-side operation conditions, can be disassembled and assembled, has the function of repeated disassembly and assembly, and simultaneously designs the structure of the explosive bolt nut and the honeycomb buffer piece for reducing the impact when the explosive bolt is separated.
Description
Technical Field
The invention relates to the technical field of aerospace equipment, in particular to a single-side detachable separation structure.
Background
The explosive bolt is commonly used for interstage separation and fairing separation of a rocket section of a space product, the explosive bolt and the explosive bolt nut are used together to connect and lock the connected piece I and the connected piece II, and when the explosive bolt works, the explosive bolt and the explosive bolt nut are separated at the weak position of an explosive bolt rod to realize separation between the connected pieces.
The general explosion bolt has an open operating space, but the explosion bolt used by a certain type of commercial rocket does not have an open operating space due to the requirement of working conditions, so the device is invented; the device is suitable for single-side operation conditions, can be disassembled and assembled, has the function of repeated disassembly and assembly, and simultaneously designs the explosive bolt separating device capable of reducing impact for reducing the influence of separating impact force on loads such as satellites during explosive bolt separation as much as possible.
Disclosure of Invention
The invention aims to solve the problems that the explosive bolt can be disassembled and assembled during single-side operation and the impact of the explosive bolt can be reduced; in order to adapt to the situation, the invention provides a device which can effectively solve the problem of dismounting by single-sided operation and simultaneously reduce the separation impact of explosive bolts.
The technical scheme of the invention is as follows: the utility model provides a but single face reassembling type isolating construction device mainly includes explosion bolt box, explosion bolt nut fixing bolt, and wherein explosion bolt box comprises explosion bolt box and honeycomb bolster, and explosion bolt nut can be fixed through explosion bolt nut fixing bolt (the explosion bolt adopts prior art product this patent not the focus, do not do specific description). The explosive bolt nut is designed with a pointed structure and a conical surface. The honeycomb buffer part is composed of an aluminum skin and an aluminum honeycomb sandwich, wherein the aluminum skin can be made of other materials such as non-metallic materials and the like, and the aluminum honeycomb sandwich can be made of aramid fiber paper honeycomb sandwich or carbon fiber material honeycomb sandwich and the like (the honeycomb buffer part is a common product in the prior art, and the invention is not specifically described). The device is suitable for single-side operation conditions, can be disassembled and assembled, has the function of repeated disassembly and assembly, and can reduce the impact when the explosive bolts are separated.
As a preferred technical scheme, the top of an explosion bolt nut is designed into a conical surface with a trapezoidal section, the small bottom end of the trapezoidal section faces upwards, when the explosion bolt is exploded and separated, the explosion bolt nut rapidly moves upwards under the action of separating force, and the small bottom end of the trapezoidal section punctures the honeycomb buffer piece for the first time to release impact energy on the honeycomb buffer piece; the explosive bolt nut continues to move upwards, the conical surface continues to extrude the honeycomb buffer piece, and the honeycomb buffer piece continues to be compressed, deformed and absorbed impact energy; the honeycomb buffer piece is extruded and then filled with the explosive bolt waist-shaped groove, so that explosive bolt nuts are captured.
As a preferred technical scheme, a threaded hole is formed in the right half part of the explosive bolt nut, and the threaded hole is matched with the explosive bolt nut fixing bolt; the end face of the left side of the explosive bolt nut is a plane and is matched with the plane on the first connected piece.
As a preferable technical scheme, a plane matched with the left end face of the explosive bolt nut is formed on the connected piece I.
Preferably, the second connected piece is provided with a hole for mounting an explosive bolt and a hole for mounting an explosive bolt nut fixing bolt.
As a preferred technical scheme, an explosion bolt nut is arranged at a corresponding position of a connected piece I, and is screwed and fixed by an explosion bolt nut fixing bolt, wherein a thread part of the explosion bolt is connected with the connected piece I; then, an explosive bolt box is arranged above the explosive bolt nut (the explosive bolt box consists of an explosive bolt box body and a honeycomb buffer part, the explosive bolt box is a common aerospace structural part product, and the invention is not described in detail); then the first connected piece is arranged at a corresponding position of the second connected piece, and the rod part of the explosive bolt nut fixing bolt penetrates through the explosive bolt nut fixing bolt mounting hole in the second connected piece; then, the explosive bolt is arranged at the corresponding position of the second connected piece and penetrates through the explosive bolt mounting hole on the second connected piece to be screwed with the explosive bolt nut, and a stop mechanism for limiting the rotational freedom degree of the explosive bolt nut is formed by the left plane of the explosive bolt nut and the matched plane of the first connected piece during screwing; then, dismantling the explosive bolt nut fixing bolt; and then, the bolt is exploded to apply torque, and the whole single-side installation process is completed.
As a preferred technical scheme, during disassembly, firstly, an explosive bolt nut fixing bolt is installed on a corresponding position of a connected piece through an explosive bolt nut fixing bolt installation hole on the connected piece I, so that the freedom degree of the nut in the vertical direction is limited; dismantling the explosive bolts; moving the connected piece with the explosion bolt box and the explosion bolt nut to one side, and dismantling the explosion bolt box; dismantling the explosive bolt nut fixing bolt; and taking away the explosive bolt and nut to finish the whole single-side disassembling process.
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some examples of the present invention, and other drawings can be obtained by those skilled in the art without inventive exercise.
FIG. 1 is a schematic structural view of a single-side detachable separation structure device provided by the present invention;
fig. 2 is a schematic structural view of the explosive bolt housing according to the present invention;
FIG. 3 is a schematic view of an explosive bolt and nut configuration;
FIG. 4 is a schematic view of an explosive bolt nut and a connected member, wherein the explosive bolt nut is a top view of FIG. 3, mainly illustrating a circumferential rotation limiting structure of the explosive bolt nut;
description of reference numerals:
1-connected piece one; 2-explosion bolt box; 4-explosion bolt and nut; 5-connected piece two; 6-explosion bolt; 7-explosion bolt nut fixing bolt; 21-explosive bolt cartridge; 22-a cellular cushioning element; 41-explosion bolt nut conical surface; 42-explosion bolt nut trapezoidal tip; 44-waist-shaped groove of explosive bolt and nut; 45-explosion bolt nut fixing bolt mounting holes; 30-explosion bolt and nut left side flat end face part and connected piece one.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. 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 addition, the technical features involved in the different embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
One particular embodiment of a single-sided removable separation structure apparatus as shown in fig. 1, comprises:
a single-side detachable separation structure device mainly comprises an explosion bolt box 2, an explosion bolt 6, an explosion bolt nut 4 and an explosion bolt nut fixing bolt 7, wherein the explosion bolt box is composed of an explosion bolt box body 21 and a honeycomb buffering piece 22, and the explosion bolt nut 4 can be fixed through the explosion bolt nut fixing bolt 7 (the explosion bolt adopts a product in the prior art which is not a key point in the patent and is not specifically described). The explosive bolt nut 4 is designed with a pointed structure 42 and a conical profile 41. The honeycomb buffer member 22 is formed by an aluminum skin and an aluminum honeycomb sandwich, and it should be understood herein that the aluminum skin may be other materials such as non-metallic materials, and the aluminum honeycomb sandwich may be an aramid fiber paper honeycomb sandwich or a carbon fiber material honeycomb sandwich (the honeycomb buffer member is a common product in the prior art, and the invention is not specifically described). The device is suitable for single-side operation conditions, can be disassembled and assembled, has the function of repeated disassembly and assembly, and can reduce the impact when the explosive bolts are separated.
The right half part of the explosive bolt nut is provided with a threaded hole 45, and the threaded hole 45 is matched with the explosive bolt nut fixing bolt 7; the end face of the left side of the explosive bolt nut is a plane and is matched with the plane on the first connected piece.
The connected piece I1 is provided with a plane matched with the left end face of the explosive bolt nut 4.
The second connected piece 2 is provided with a hole for mounting an explosive bolt 6 and a hole for mounting an explosive bolt nut 4 and fixing a bolt.
Installing an explosive bolt nut 4 at a corresponding position of the connected piece I1, and screwing and fixing by using an explosive bolt nut fixing bolt 7, wherein the thread part of the explosive bolt is connected with the connected piece I1; then, an explosive bolt box 2 is arranged above the explosive bolt nut 4 (the explosive bolt box 2 consists of an explosive bolt box body 21 and a honeycomb buffer piece 22, the explosive bolt box 2 is a common aerospace structural part product, and the invention is not described in detail); then the connected piece I1 is arranged at a corresponding position of the connected piece II 2, and the rod part of the explosive bolt nut fixing bolt 7 penetrates through the explosive bolt nut fixing bolt mounting hole 45 on the connected piece II 2; then, an explosive bolt 6 is arranged at a corresponding position of the second connected piece 2, penetrates through an explosive bolt mounting hole in the second connected piece 2 and is screwed with an explosive bolt nut, and a stop mechanism for limiting the rotational freedom degree of the explosive bolt nut is formed by the left plane of the explosive bolt nut and the matched plane of the first connected piece during screwing; then the explosive bolt nut fixing bolt 7 is removed; and then, the bolt is exploded to apply torque, and the whole single-side installation process is completed.
When the whole device works, the explosion bolt 6 is exploded and separated, the explosion bolt nut 4 rapidly moves upwards under the action of separating force, and the small trapezoidal bottom end punctures the honeycomb buffer part 22 for the first time and releases impact energy on the honeycomb buffer part 22; the explosive bolt nut 4 continues to move upwards, the conical surface 41 continues to squeeze the honeycomb buffer 22, and the honeycomb buffer 22 continues to be compressed and deformed to absorb impact energy; the honeycomb cushion 22 is crushed and deformed by the crushing action to fill the explosion bolt waist groove 44, thereby capturing the explosion bolt nut 4.
When the whole device is disassembled, firstly, the explosive bolt nut fixing bolt 7 is installed on the corresponding position of the connected piece I1 through the explosive bolt nut fixing bolt installing hole 45 on the connected piece I1, so that the degree of freedom of the explosive bolt nut 4 in the vertical direction is limited; dismantling the explosive bolts 6; moving the connected piece I1 provided with the explosion bolt box 2 and the explosion bolt nut 4 to one side, and dismantling the explosion bolt box 2; dismantling the explosive bolt nut fixing bolt 7; and taking away the explosive bolt and nut 4 to finish the whole single-side disassembling process.
As a specific embodiment, according to the above, only one side operation, i.e. one side operation, is present during the dismounting of the separating apparatus.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And it is to be expressly understood that such modifications and variations are within the scope of the invention.
Claims (3)
1. A single-side detachable separation structure device is characterized by comprising:
at least one explosive bolt 6 for connecting and locking two structural members;
at least one explosive bolt nut 4 mounted at the end of the explosive bolt shank;
at least one explosive bolt and nut fixing locking pin 7;
at least one explosive bolt housing 2 for collecting the separated explosive bolt nuts.
2. A single-sided detachable separate structure device according to claim 1, wherein said explosion bolt nut 4 is formed with a trapezoidal tip 42 and a kidney groove 44 at one side end portion (upper end in the drawing) thereof; the left end face of the nut is a plane; the right half part is provided with a threaded hole; the middle of the screw is provided with blind hole threads.
3. A single-sided demountable separation structure apparatus as defined in claim 1 wherein the explosion bolt housing is made of two parts, one being the explosion bolt housing and one being the honeycomb buffer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110670002.1A CN113280695A (en) | 2021-06-10 | 2021-06-10 | But single face reassembling type disengaging structure device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110670002.1A CN113280695A (en) | 2021-06-10 | 2021-06-10 | But single face reassembling type disengaging structure device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113280695A true CN113280695A (en) | 2021-08-20 |
Family
ID=77284781
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110670002.1A Pending CN113280695A (en) | 2021-06-10 | 2021-06-10 | But single face reassembling type disengaging structure device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113280695A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114087931A (en) * | 2021-11-25 | 2022-02-25 | 中国工程物理研究院总体工程研究所 | Explosion bolt protection device for reducing impact |
| CN114577073A (en) * | 2022-03-01 | 2022-06-03 | 航天科工火箭技术有限公司 | Explosion bolt buffer device |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03148400A (en) * | 1989-11-02 | 1991-06-25 | Natl Space Dev Agency Japan<Nasda> | Combining/removing method of satellite, rocket, and apogee-kick engine |
| US5221171A (en) * | 1992-10-15 | 1993-06-22 | G & H Technology, Inc. | Non-explosive separation nut |
| CN203298658U (en) * | 2013-05-10 | 2013-11-20 | 北京宇航***工程研究所 | Bolt capturing apparatus for explosive release and explosive-release capture system |
| CN204286242U (en) * | 2014-10-20 | 2015-04-22 | 北京宇航***工程研究所 | Blasting bolt acquisition equipment |
| CN105292523A (en) * | 2015-10-27 | 2016-02-03 | 浙江大学 | Separating device and satellite and rocket separating device with buffering structure |
| CN108033038A (en) * | 2017-12-14 | 2018-05-15 | 北京航空航天大学 | Blasting bolt buffer unit |
| CN109703793A (en) * | 2019-01-03 | 2019-05-03 | 北京空天技术研究所 | Buffering energy-absorbing recyclable device design method and buffering energy-absorbing recyclable device |
| CN110228608A (en) * | 2019-05-24 | 2019-09-13 | 上海宇航***工程研究所 | A kind of point type connection separator being adapted to side hanging satellite |
| CN110494661A (en) * | 2017-02-24 | 2019-11-22 | 螺栓工程师有限公司 | Fastening structure |
| CN112923806A (en) * | 2021-02-19 | 2021-06-08 | 中国工程物理研究院总体工程研究所 | Novel separation nut catches device |
| CN217303754U (en) * | 2021-06-10 | 2022-08-26 | 北京星途探索科技有限公司 | But single face reassembling type isolating construction device |
-
2021
- 2021-06-10 CN CN202110670002.1A patent/CN113280695A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03148400A (en) * | 1989-11-02 | 1991-06-25 | Natl Space Dev Agency Japan<Nasda> | Combining/removing method of satellite, rocket, and apogee-kick engine |
| US5221171A (en) * | 1992-10-15 | 1993-06-22 | G & H Technology, Inc. | Non-explosive separation nut |
| CN203298658U (en) * | 2013-05-10 | 2013-11-20 | 北京宇航***工程研究所 | Bolt capturing apparatus for explosive release and explosive-release capture system |
| CN204286242U (en) * | 2014-10-20 | 2015-04-22 | 北京宇航***工程研究所 | Blasting bolt acquisition equipment |
| CN105292523A (en) * | 2015-10-27 | 2016-02-03 | 浙江大学 | Separating device and satellite and rocket separating device with buffering structure |
| CN110494661A (en) * | 2017-02-24 | 2019-11-22 | 螺栓工程师有限公司 | Fastening structure |
| CN108033038A (en) * | 2017-12-14 | 2018-05-15 | 北京航空航天大学 | Blasting bolt buffer unit |
| CN109703793A (en) * | 2019-01-03 | 2019-05-03 | 北京空天技术研究所 | Buffering energy-absorbing recyclable device design method and buffering energy-absorbing recyclable device |
| CN110228608A (en) * | 2019-05-24 | 2019-09-13 | 上海宇航***工程研究所 | A kind of point type connection separator being adapted to side hanging satellite |
| CN112923806A (en) * | 2021-02-19 | 2021-06-08 | 中国工程物理研究院总体工程研究所 | Novel separation nut catches device |
| CN217303754U (en) * | 2021-06-10 | 2022-08-26 | 北京星途探索科技有限公司 | But single face reassembling type isolating construction device |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114087931A (en) * | 2021-11-25 | 2022-02-25 | 中国工程物理研究院总体工程研究所 | Explosion bolt protection device for reducing impact |
| CN114087931B (en) * | 2021-11-25 | 2023-08-22 | 中国工程物理研究院总体工程研究所 | Explosion bolt protection device for reducing impact |
| CN114577073A (en) * | 2022-03-01 | 2022-06-03 | 航天科工火箭技术有限公司 | Explosion bolt buffer device |
| CN114577073B (en) * | 2022-03-01 | 2024-02-02 | 航天科工火箭技术有限公司 | Explosion bolt buffer device |
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