CN217303754U - But single face reassembling type isolating construction device - Google Patents
But single face reassembling type isolating construction device Download PDFInfo
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- CN217303754U CN217303754U CN202121353837.6U CN202121353837U CN217303754U CN 217303754 U CN217303754 U CN 217303754U CN 202121353837 U CN202121353837 U CN 202121353837U CN 217303754 U CN217303754 U CN 217303754U
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Abstract
The utility model relates to an aerospace equipment technical field, concretely relates to 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 explosive bolt nut is designed with a pointed structure and a conical surface. This device is applicable to single face operating mode, and dismantled and assembled function that possesses repeated dismouting, and the impact when reducing the separation of explosion bolt has simultaneously designed the structure and the honeycomb bolster of explosion bolt nut.
Description
Technical Field
The utility model relates to an aerospace equipment technical field, concretely relates to but single face reassembling type isolating construction.
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 commercial rocket does not have an open operating space due to the requirement of working conditions, so the device is utility model; 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.
SUMMERY OF THE UTILITY MODEL
The utility model 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 be suitable for this condition, the utility model provides a can effectively solve the single face operation and carry out the difficult problem of dismouting, provide the device that reduces explosion bolt separation and strike simultaneously.
The technical scheme of the utility model is that: 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. Honeycomb bolster the utility model discloses a core group becomes with aluminium honeycomb clamp, and what should understand here is that the aluminium skin also can be other materials like non metallic material etc. and aluminium honeycomb presss from both sides the core and also can be aramid fiber paper honeycomb presss from both sides core or carbon fiber material honeycomb presss from both sides core etc. (the honeycomb bolster is the common product of prior art, the utility model discloses do not do the concrete description). 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 preferred technical scheme, a plane matched with the left end face of the explosive bolt nut is formed on the connected piece I.
As a preferable technical scheme, the second connected piece is provided with a hole for installing an explosive bolt and a hole for installing an explosive bolt nut fixing bolt.
As a preferred technical scheme, an explosive bolt nut is arranged at a corresponding position of a connected piece I, and the explosive bolt nut is used for fixing a bolt in a screwing manner, wherein a thread part of the explosive bolt is connected with the connected piece I; then, an explosion bolt box is arranged above the explosion bolt nut (the explosion bolt box consists of an explosion bolt box body and a honeycomb buffer part, the explosion bolt box is a common aerospace structural component product, and the utility model is not explained 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, it is obvious that the drawings in the following descriptions are only some examples of the present invention, and other drawings can be obtained by those skilled in the art without inventive labor.
Drawings
Fig. 1 is a schematic structural view of a single-sided detachable separation structure device provided by the present invention;
fig. 2 is a schematic structural view of the explosion bolt box of the 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 the 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 solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Furthermore, the technical features mentioned in the different embodiments of the invention described below can 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. Honeycomb bolster 22 the utility model discloses a core is pressed from both sides to aluminium skin and aluminium honeycomb and is constituteed, and it should be understood here that the aluminium skin also can be other materials such as non-metallic material etc. and the core is pressed from both sides to the aluminium honeycomb core also can be aramid fiber paper honeycomb core or carbon fiber material honeycomb core etc. (the honeycomb bolster is the common product of prior art, the utility model discloses do not do the concrete description). 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 impact during separation of explosive bolts.
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 member 22, the explosive bolt box 2 is a common aerospace structural component product, and the utility model 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, there is only one side operation, i.e. a one-sided operation, during the dismounting of the separating device.
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 present 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 parts;
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 magazine (2) for collecting the separated explosive bolt nuts.
2. A single-sided detachable separating structure device according to claim 1, characterized in that said explosion bolt nut (4) is designed with a trapezoidal tip (42) and a kidney groove (44) at one side end; 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 |
|---|---|---|---|
| CN202121353837.6U CN217303754U (en) | 2021-06-10 | 2021-06-10 | But single face reassembling type isolating construction device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121353837.6U CN217303754U (en) | 2021-06-10 | 2021-06-10 | But single face reassembling type isolating construction device |
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| Publication Number | Publication Date |
|---|---|
| CN217303754U true CN217303754U (en) | 2022-08-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202121353837.6U Active CN217303754U (en) | 2021-06-10 | 2021-06-10 | But single face reassembling type isolating construction device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113280695A (en) * | 2021-06-10 | 2021-08-20 | 北京星途探索科技有限公司 | But single face reassembling type disengaging structure device |
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2021
- 2021-06-10 CN CN202121353837.6U patent/CN217303754U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113280695A (en) * | 2021-06-10 | 2021-08-20 | 北京星途探索科技有限公司 | But single face reassembling type disengaging structure device |
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