CN110979750A - Initiating explosive device buffer device with weakening groove tower type buffer part - Google Patents
Initiating explosive device buffer device with weakening groove tower type buffer part Download PDFInfo
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- CN110979750A CN110979750A CN201911302236.XA CN201911302236A CN110979750A CN 110979750 A CN110979750 A CN 110979750A CN 201911302236 A CN201911302236 A CN 201911302236A CN 110979750 A CN110979750 A CN 110979750A
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- shell
- tower
- buffering
- locking nut
- bolster
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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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- Vibration Dampers (AREA)
Abstract
The invention discloses an initiating explosive device buffering device with a weakening groove tower type buffering piece, which relates to the technical field of buffering and impact reduction by adopting initiating explosive device separation means, such as satellite-rocket separation, missile (rocket) stage separation and the like, and comprises a shell and a buffering part, wherein the shell is cylindrical, the top end and the bottom end of the shell are both provided with openings, a locking nut is arranged in the shell, the locking nut extends out of the shell through the opening at the top end of the shell, and the lower end of the locking nut is provided with a circular ring; the buffer part is sleeved on the weakening groove tower type buffer piece on the locking nut, the thickness of the inner wall of the weakening groove tower type buffer piece is increased from top to bottom in sequence, and the weakening groove tower type buffer piece is located at the top end of the shell and between the circular rings. The invention has high structural efficiency and good buffering effect, and greatly reduces the impact of the separation bolt.
Description
Technical Field
The invention relates to the technical field of buffering impact reduction by adopting an initiating explosive device separation means, such as satellite-rocket separation, projectile (rocket) stage separation and the like, in particular to an initiating explosive device buffering device with a weakening groove tower type buffering piece.
Background
The explosive bolt is mainly used for multipoint connection of separation surfaces, each explosive bolt is similar to a common bolt in shape, an explosive and an igniter are arranged in each explosive bolt, during separation, the explosive is detonated, a shear lock is cut off or weakened grooves along the bolts are broken, unlocking of two separation bodies is achieved, and the explosive bolt is various and mainly comprises a slotted type explosive bolt, a shear pin type explosive bolt, a steel ball type explosive bolt, a pollution-free explosive bolt and the like. The explosive bolt is widely used as a connection and separation device by the spacecraft due to the advantages of reliable connection, quick unlocking, simple structure, small occupied space and the like.
However, the explosive bolt has a problem of large impact when being separated, and when the satellite and the arrow are separated, precision optical equipment or electronic components on the satellite are sensitive to the impact, and obviously, the conventional explosive bolt cannot be adapted to the occasions with high requirements on the impact and the vibration.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide the initiating explosive device buffer device with the weakening groove tower type buffer part, which has high structural efficiency and good buffer effect and greatly reduces the impact of a separation bolt.
In order to achieve the above purposes, the technical scheme adopted by the invention is as follows:
the locking nut is arranged in the shell and extends out of the shell through the opening in the top end of the shell, and a circular ring is arranged at the lower end of the locking nut;
the buffer component is arranged on the locking nut in a sleeved mode, the thickness of the inner wall of the weakening groove tower type buffer piece is increased from top to bottom in sequence, and the weakening groove tower type buffer piece is located on the top of the shell and between the circular rings.
On the basis of the technical scheme, weaken tower bolster in groove and include that from top to bottom establish the first section bolster, second section bolster and the third section bolster on lock nut in proper order, just the inner wall thickness of first section bolster is less than the inner wall thickness of second section bolster, and the inner wall thickness of second section bolster is less than the inner wall thickness of third section bolster.
On the basis of the technical scheme, a plurality of grooves are formed in the outer surfaces of the first section of buffering part and the second section of buffering part.
On the basis of the technical scheme, the buffering component further comprises a rubber buffer pad and a friction gasket, the rubber buffer pad and the friction gasket are sleeved on the locking nut, the rubber buffer pad is located between the top end of the shell and the friction gasket, and the friction gasket is located between the rubber buffer pad and the weakening groove tower-type buffer piece.
On the basis of the technical scheme, the inner wall of the locking nut is provided with threads, and the locking nut is connected with the bolt head of the initiating explosive device through the threads.
On the basis of the technical scheme, the outer diameter of the locking nut is the same as the inner diameter of the opening at the top end of the shell.
On the basis of the technical scheme, the inner cavity of the shell is a waist-shaped hole, and the ring on the locking nut is elliptical matched with the cross section of the shell in shape.
On the basis of the technical scheme, a bottom plate is arranged at the bottom end of the shell, both sides of the lower end of the shell extend transversely to form extending portions, and mounting screws are arranged on the extending portions.
On the basis of the technical scheme, the center of the bottom plate is provided with an opening, and the locking nut extends outwards through the opening of the bottom plate.
On the basis of the technical scheme, the diameter of the opening on the bottom plate is the same as the outer diameter of the locking nut.
Compared with the prior art, the invention has the advantages that: through set up the tower bolster of weakening groove on lock nut, and the inner wall thickness that weakens the tower bolster of groove increases from top to bottom in proper order, under lock nut's effect, the section of thick bamboo wall that weakens the tower bolster of groove can take place fold many times with dissipation energy, and form many folds face and make stress wave refract and reflect many times, improve the buffering effect, under equal size, the bolster deformation efficiency that the area weakens the groove is the several times that do not take the weakening groove, and structural efficiency is high, the buffering effect is good, separation bolt impact has been reduced by a wide margin.
Drawings
FIG. 1 is a schematic structural diagram of an initiating explosive device buffering device with a weakening groove tower-type buffering member according to an embodiment of the invention;
FIG. 2 is a schematic structural diagram of a weakened groove-tower type buffer according to an embodiment of the invention;
FIG. 3 is a schematic structural diagram of a housing according to an embodiment of the present invention;
fig. 4 is a schematic structural view of a lock nut in the embodiment of the present invention.
In the figure: the damping device comprises a shell, a 2-weakening groove tower type buffer piece, a 3-locking nut, a 4-ring, a 5-first section of buffer piece, a 6-second section of buffer piece, a 7-third section of buffer piece, a 8-groove, a 9-rubber buffer cushion, a 10-friction gasket, 11-threads, a 12-bottom plate, a 13-extending part and a 14-mounting screw.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples.
Referring to fig. 1, the initiating explosive device buffering device with the weakening groove tower-type buffering member provided by the embodiment of the invention comprises a shell 1 and a buffering component, wherein the shell 1 is cylindrical, the top end and the bottom end of the shell are both open, a locking nut 3 is arranged in the shell 1, the locking nut 3 extends out of the shell 1 through the opening at the top end of the shell 1, and the lower end of the locking nut 3 is provided with a circular ring 4; the buffer component is a weakening groove tower type buffer member 2 sleeved on the locking nut 3, the thickness of the inner wall of the weakening groove tower type buffer member 2 is sequentially increased from top to bottom, and the weakening groove tower type buffer member 2 is positioned between the top end of the shell 1 and the circular ring 4.
For the structure of the weakening groove tower type buffer member 2, specifically, referring to fig. 2, the weakening groove tower type buffer member 2 includes a first section of buffer member 5, a second section of buffer member 6 and a third section of buffer member 7 which are sequentially sleeved on the lock nut 3 from top to bottom, the thickness of the inner wall of the first section of buffer member 5 is smaller than that of the inner wall of the second section of buffer member 6, and the thickness of the inner wall of the second section of buffer member 6 is smaller than that of the inner wall of the third section of buffer member 7. A plurality of grooves 8 are formed in the outer surfaces of the first section of buffering member 5 and the second section of buffering member 6. The weakening groove tower type buffer member 2 mainly adopts the principle of plastic deformation to realize the buffer effect of the separation bolt, and under the same space size, the weakening groove tower type buffer member 2 has high deformation efficiency, sufficient compression and better buffer effect. When the lock nut 3 moves upwards, the first section of the buffer member 5, the second section of the buffer member 6 and the third section of the buffer member 7 are sequentially compressed and deformed to dissipate energy and form a multi-fold surface, so that the stress wave is refracted and reflected for multiple times, the impact is reduced, meanwhile, the groove 8 on the surface of the weakened groove tower type buffer member 2 enables the weakened groove tower type buffer member 2 to be folded for multiple times, the folding times are multiple times when the groove 8 is not arranged, under the same size, the structural efficiency is higher, and the buffering effect is better.
The buffering component further comprises a rubber buffer pad 9 and a friction gasket 10, wherein the rubber buffer pad 9 and the friction gasket 10 are sleeved on the locking nut 3, the rubber buffer pad 9 is located between the top end of the shell 1 and the friction gasket 10, and the friction gasket 10 is located between the rubber buffer pad 9 and the weakening groove tower type buffering component 2. The hole of friction pad 10 and the cooperation of lock nut 3 surface, through the relative friction power consumption, simultaneously, friction pad 10 is hard material, can be with the even effect of pressure of lock nut 3 on rubber buffer pad 9, full play rubber buffer pad 9's energy storage effect.
The inner wall of the locking nut 3 is provided with a thread 11, and the locking nut 3 is connected with the bolt head of the initiating explosive device through the thread 11. The outer diameter of the locking nut 3 is the same as the inner diameter of the top opening of the shell 1, and the outer surface of the locking nut 3 is matched with the top opening of the shell 1 to play a role in motion guiding and friction energy consumption.
Referring to fig. 3, the inner chamber of the housing 1 is a kidney-shaped hole, and referring to fig. 4, the ring 4 on the lock nut 3 is elliptical to match the cross-sectional shape of the housing 1, so as to prevent the lock nut 3 and the bolt head from rotating relatively when being installed.
The bottom end of the shell 1 is provided with a bottom plate 12, two sides of the lower end of the shell 1 extend transversely to form an extension part 13, and the extension part 13 is provided with a mounting screw 14. The center of the bottom plate 12 is provided with an opening, and the locking nut 3 extends outwards through the opening of the bottom plate 12. The diameter of the opening in the base plate 12 is the same as the outer diameter of the lock nut 3. The bottom plate 12 encloses all the parts in a closed space and provides an installation interface for the cushioning device and a structural member such as a satellite adapter, and the mounting screws 14 connect the housing 1 and the bottom plate 12 and fix the housing on the structural member such as the satellite adapter.
According to the initiating explosive device buffering device with the weakening groove tower type buffering part, the weakening groove tower type buffering part 2 is arranged on the locking nut 3, the thickness of the inner wall of the weakening groove tower type buffering part 2 is sequentially increased from top to bottom, under the action of the locking nut 3, the cylinder wall of the weakening groove tower type buffering part 2 can be folded for multiple times to dissipate energy, and a multi-fold surface is formed to enable stress waves to be refracted and reflected for multiple times, so that the buffering effect is improved, under the same size, the deformation efficiency of the buffering part with the weakening groove is multiple times that of the buffering part without the weakening groove, the structural efficiency is high, the buffering effect is good, and the impact of a separation bolt is greatly reduced.
The present invention is not limited to the above-described embodiments, and it will be apparent to those skilled in the art that various modifications and improvements can be made without departing from the principle of the present invention, and such modifications and improvements are also considered to be within the scope of the present invention. Those not described in detail in this specification are within the skill of the art.
Claims (10)
1. The utility model provides an initiating explosive device buffer of tower bolster in area weakening groove which characterized in that includes:
the locking device comprises a shell (1), wherein the shell (1) is cylindrical, the top end and the bottom end of the shell are both open, a locking nut (3) is arranged in the shell (1), the locking nut (3) extends out of the shell (1) through the opening in the top end of the shell (1), and a circular ring (4) is arranged at the lower end of the locking nut (3);
buffer unit, buffer unit locates for the cover weaken tower bolster in groove (2) on lock nut (3), just the inner wall thickness that weakens tower bolster in groove (2) increases from top to bottom in proper order, weaken tower bolster in groove (2) be located shell (1) top with between ring (4).
2. The initiating explosive device buffering device with the tower-type buffering member with the weakening groove as claimed in claim 1, wherein: weaken tower bolster (2) in groove and establish first festival bolster (5), second festival bolster (6) and third festival bolster (7) on lock nut (3) including from top to bottom in proper order, just the inner wall thickness of first festival bolster (5) is less than the inner wall thickness of second festival bolster (6), and the inner wall thickness of second festival bolster (6) is less than the inner wall thickness of third festival bolster (7).
3. The initiating explosive device buffering device with the tower-type buffering member with the weakening groove as claimed in claim 1, wherein: a plurality of grooves (8) are formed in the outer surfaces of the first section of buffering part (5) and the second section of buffering part (6).
4. The initiating explosive device buffering device with the tower-type buffering member with the weakening groove as claimed in claim 1, wherein: the buffer component further comprises a rubber buffer pad (9) and a friction gasket (10) which are sleeved on the locking nut (3), the rubber buffer pad (9) is located between the top end of the shell (1) and the friction gasket (10), and the friction gasket (10) is located between the rubber buffer pad (9) and the weakening groove tower type buffer piece (2).
5. The initiating explosive device buffering device with the tower-type buffering member with the weakening groove as claimed in claim 1, wherein: the inner wall of the locking nut (3) is provided with threads (11), and the locking nut (3) is connected with a bolt head of an initiating explosive device through the threads (11).
6. The initiating explosive device buffering device with the tower-type buffering member with the weakening groove as claimed in claim 1, wherein: the outer diameter of the locking nut (3) is the same as the inner diameter of the top opening of the shell (1).
7. The initiating explosive device buffering device with the tower-type buffering member with the weakening groove as claimed in claim 1, wherein: the inner cavity of the shell (1) is a kidney-shaped hole, and the circular ring (4) on the locking nut (3) is elliptical matched with the cross section of the shell (1).
8. The initiating explosive device buffering device with the tower-type buffering member with the weakening groove as claimed in claim 1, wherein: the bottom department of shell (1) is equipped with bottom plate (12), the equal lateral extension of lower extreme both sides of shell (1) forms extension (13), be equipped with mounting screw (14) on extension (13).
9. The initiating explosive device buffering device with the tower-type buffering member with the weakening groove as claimed in claim 8, wherein: the center of the bottom plate (12) is provided with an opening, and the locking nut (3) extends outwards through the opening of the bottom plate (12).
10. The initiating explosive device buffering device with the tower-type buffering member with the weakening groove as claimed in claim 9, wherein: the diameter of the opening on the bottom plate (12) is the same as the outer diameter of the locking nut (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911302236.XA CN110979750B (en) | 2019-12-17 | 2019-12-17 | Initiating explosive device buffer device with weakening groove tower type buffer part |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911302236.XA CN110979750B (en) | 2019-12-17 | 2019-12-17 | Initiating explosive device buffer device with weakening groove tower type buffer part |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110979750A true CN110979750A (en) | 2020-04-10 |
| CN110979750B CN110979750B (en) | 2022-01-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911302236.XA Active CN110979750B (en) | 2019-12-17 | 2019-12-17 | Initiating explosive device buffer device with weakening groove tower type buffer part |
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| Country | Link |
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| CN (1) | CN110979750B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114151502A (en) * | 2021-11-18 | 2022-03-08 | 湖北航天技术研究院总体设计所 | Take low separation buffer of impact of self-locking function |
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| US6202961B1 (en) * | 2000-03-21 | 2001-03-20 | Csa Engineering | Passive, multi-axis, highly damped, shock isolation mounts for spacecraft |
| CN200996426Y (en) * | 2006-12-28 | 2007-12-26 | 东风汽车集团股份有限公司 | Integrated rubber suspened pad |
| CN202690871U (en) * | 2012-06-06 | 2013-01-23 | 浙江吉利汽车研究院有限公司杭州分公司 | Vibration-absorption buffer device |
| CN205715445U (en) * | 2016-05-04 | 2016-11-23 | 泉州市惠安闽投商贸有限公司 | A kind of buffer stopper of amortisseur |
| CN106838117A (en) * | 2017-03-03 | 2017-06-13 | 深圳市道通智能航空技术有限公司 | Vibration-damped component, head and unmanned plane |
| CN107100956A (en) * | 2016-02-19 | 2017-08-29 | 株式会社万都 | Damper buffer rubber |
| CN110203423A (en) * | 2019-06-13 | 2019-09-06 | 湖北航天技术研究院总体设计所 | A kind of satellite and the rocket separation priming system buffer unit |
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2019
- 2019-12-17 CN CN201911302236.XA patent/CN110979750B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6202961B1 (en) * | 2000-03-21 | 2001-03-20 | Csa Engineering | Passive, multi-axis, highly damped, shock isolation mounts for spacecraft |
| CN200996426Y (en) * | 2006-12-28 | 2007-12-26 | 东风汽车集团股份有限公司 | Integrated rubber suspened pad |
| CN202690871U (en) * | 2012-06-06 | 2013-01-23 | 浙江吉利汽车研究院有限公司杭州分公司 | Vibration-absorption buffer device |
| CN107100956A (en) * | 2016-02-19 | 2017-08-29 | 株式会社万都 | Damper buffer rubber |
| CN205715445U (en) * | 2016-05-04 | 2016-11-23 | 泉州市惠安闽投商贸有限公司 | A kind of buffer stopper of amortisseur |
| CN106838117A (en) * | 2017-03-03 | 2017-06-13 | 深圳市道通智能航空技术有限公司 | Vibration-damped component, head and unmanned plane |
| CN110203423A (en) * | 2019-06-13 | 2019-09-06 | 湖北航天技术研究院总体设计所 | A kind of satellite and the rocket separation priming system buffer unit |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114151502A (en) * | 2021-11-18 | 2022-03-08 | 湖北航天技术研究院总体设计所 | Take low separation buffer of impact of self-locking function |
| CN114151502B (en) * | 2021-11-18 | 2023-09-22 | 湖北航天技术研究院总体设计所 | Separation buffer device with self-locking function and low impact |
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| Publication number | Publication date |
|---|---|
| CN110979750B (en) | 2022-01-07 |
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