CN109307032A - A kind of reusable passive energy-absorbing draws/press bidirectional buffer - Google Patents
A kind of reusable passive energy-absorbing draws/press bidirectional buffer Download PDFInfo
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- CN109307032A CN109307032A CN201811358986.4A CN201811358986A CN109307032A CN 109307032 A CN109307032 A CN 109307032A CN 201811358986 A CN201811358986 A CN 201811358986A CN 109307032 A CN109307032 A CN 109307032A
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- aluminum honeycomb
- cylinder
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- fixture block
- bracket
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F7/00—Vibration-dampers; Shock-absorbers
- F16F7/12—Vibration-dampers; Shock-absorbers using plastic deformation of members
- F16F7/121—Vibration-dampers; Shock-absorbers using plastic deformation of members the members having a cellular, e.g. honeycomb, structure
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F7/00—Vibration-dampers; Shock-absorbers
- F16F7/12—Vibration-dampers; Shock-absorbers using plastic deformation of members
- F16F7/128—Vibration-dampers; Shock-absorbers using plastic deformation of members characterised by the members, e.g. a flat strap, yielding through stretching, pulling apart
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- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Vibration Dampers (AREA)
Abstract
Draw the invention discloses a kind of reusable passive energy-absorbing/press bidirectional buffer, belong to Space Equipment technical field, the device of the invention is mainly made of four parts, including outer barrel component, the middle cartridge module being coaxially installed on inside outer barrel component, the interior cartridge module being coaxially installed on inside middle cartridge module and the slide component for being coaxially installed on outer barrel component and middle cartridge module junction periphery；The aluminum honeycomb resetting-mechanism that the device passes through a kind of innovative design, mechanical spring resetting apparatus, ratchet one-way locking device are combined with the drawing based on aluminum honeycomb collapse energy-absorption material/pressure bidirectional buffer, sufficiently inherit the advantages of traditional passive energy-absorbing bidirectional buffer structure is simple, quality is light and small, high reliablity, and it realizes that traditional drawing/pressure bidirectional buffer is reusable, can be used for the reusable soft landing device of the following multiple target deep space exploration required by task.
Description
Technical field
The invention belongs to Space Equipment technical fields, buffer branch as the auxiliary on reusable star catalogue soft landing device
Column, in particular to a kind of reusable passive energy-absorbing draw/press bidirectional buffer.
Background technique
With advances in technology, in following deep space exploration task, primary transmitting will be completed to same target celestial body
Multiple spot soft landing detection or the soft landings of multiple target celestial bodies is detected, this is just to developing reusable soft landing device
Requirement is proposed, is appointed with while meeting increasingly frequent deep space exploration demand, reducing the single detection including transmitting
The overall cost of business.
In star catalogue detection soft landing device, Tui Zushi landing buffer mechanism is key components, therein master/auxiliary
Damper leg is then the core component that landing buffer mechanism realizes its function, determines the success or failure of entire landing buffer process.It wants
Realize the reusable of soft landing device, essence seeks to realize the reusable of buffer.
Currently, the energy-absorbing mode of buffer can be roughly divided into hydraulic, magnetorheological damping liquid, mechanical spring and material deformation
Deng.Wherein, hydraulic energy absorption device is applied very due to being influenced by the problems such as oil liquid characteristic under leakproofness and space environment
It is few；Structure is complicated and correlative study is still immature for magnetorheological damping energy absorption device, and reliability is unable to get effective guarantee；It is mechanical
Spring energy absorption device can restore easily, but buffering energy-absorbing limited capacity；It is to represent material to deform energy absorption device with aluminum honeycomb
It is widely used, energy-absorbing ratio and reliability are all very high, but irrecoverable after conquassation, can only carry out energy-absorbing material by other means
It resets.
Summary of the invention
The present invention is lacked for drawing/pressure bidirectional buffer is not re-usable in existing star catalogue detection soft landing device at present
Point discloses a kind of aluminum honeycomb resetting-mechanism of innovative design, by mechanical spring resetting apparatus, ratchet one-way locking device and base
It is combined in drawing/pressure bidirectional buffer of aluminum honeycomb collapse energy-absorption material, it is repeatable to realize traditional drawing/pressure bidirectional buffer
It uses, the design of the auxiliary damper leg of the reusable soft landing device of the following multiple target deep space exploration required by task is mentioned
A kind of feasible solution is supplied.
The present invention is implemented as follows:
The reusable passive energy-absorbing of one kind disclosed by the invention draws/presses bidirectional buffer to be mainly made of four parts, including
Outer barrel component, the middle cartridge module being coaxially installed on inside outer barrel component, the interior cartridge module being coaxially installed on inside middle cartridge module with
And it is coaxially installed on the slide component of outer barrel component and middle cartridge module junction periphery.
The outer barrel component includes outer cylinder, resistance to compression aluminum honeycomb bracket, resistance to compression aluminum honeycomb, resistance to compression aluminum honeycomb bracket reset pressure
Spring, ratch mechanism, resistance to compression aluminum honeycomb bracket unlock firer's bolt；The middle cartridge module includes middle cylinder, steel ball lock, the reset of middle cylinder
Spring, electromagnetism fixture block；The interior cartridge module includes inner cylinder, inner cylinder top flexural pivot, inner cylinder returning spring；The slide component
Including slide, tension aluminum honeycomb, tension aluminum honeycomb bracket, tension aluminum honeycomb bracket reseting pressuring spring, the unlock of tension aluminum honeycomb bracket
Firer's bolt；
By outer barrel component, middle cartridge module, interior cartridge module and slide component, totally four parts form the device of the invention, specific component
Connection relationship it is as follows:
The outer barrel component includes outer cylinder, the inside of outer cylinder from bottom and on successively include resistance to compression aluminum honeycomb bracket reset pressure
Spring, resistance to compression aluminum honeycomb bracket；The resistance to compression aluminum honeycomb bracket is internally provided with resistance to compression aluminum honeycomb；The outer wall of the outer cylinder
Upper and lower part is circumferentially evenly equipped with several groups ratch mechanism respectively.
The slide component includes slide, and tension aluminum honeycomb bracket is coaxially installed on inside slide, the tension aluminium
Honeycomb bracket one end is provided with annular flange, and the barrel diameter of one end outer diameter and slide that annular flange is arranged constitutes gap and matches
It closes；The other end outer diameter of the tension aluminum honeycomb bracket and the internal diameter of slide top flange constitute clearance fit；Described is anti-
It draws between the tension aluminum honeycomb bracket baffle ring being arranged in the annular flange and outer drum outer wall of aluminum honeycomb bracket, by tension aluminium bee
Several tension aluminum honeycomb brackets unlock firer's bolt being evenly distributed in the annular flange of nest bracket realizes tension aluminum honeycomb
Being fastenedly connected between bracket and outer cylinder.
Tension aluminum honeycomb, Ke Yizeng are provided in toroidal cavity between the slide inner wall and tension aluminum honeycomb bracket
Routed slide aluminum honeycomb is suppressed to realize structural strength when stretching buffering；Annular between the slide inner wall and outer drum outer wall
Tension aluminum honeycomb bracket reseting pressuring spring is provided in cavity；The slide upper end aperture is that there are two types of different caliber sizes for tool
Double-layer structure, respectively slide end heavy caliber and slide end are small-bore.
Further, the middle cartridge module includes the middle cylinder for being coaxially installed on outer barrel, and middle cartridge module is coaxially installed on
In outer cylinder in outer barrel component, it can do and be moved back and forth relative to overhanging/retraction of outer barrel component.Described middle cylinder one end is circular cone
Platform shape, and the barrel diameter of the outer diameter of the frustum of a cone and resistance to compression aluminum honeycomb bracket constitutes clearance fit；The other end of middle cylinder is installed
There is steel ball lock；It is provided with ring baffle on the outer tube inner wall, is arranged between the truncated cone and ring baffle of middle cylinder one end
There is middle cylinder reset spring.
It further, further include electromagnetism fixture block in the middle cartridge module, the electromagnetism fixture block is located at middle cylinder and slide group
The junction of part；The electromagnetism fixture block is held axially fixed with middle cylinder.Under the control of the controller, lead between middle cylinder and slide
The realization of electromagnetism fixture block is crossed unidirectionally to connect or disconnect.
Further, the electromagnetism fixture block includes the circumferentially uniformly distributed electromagnetism fixture block of electromagnetism fixture block snap ring, electromagnetism fixture block snap ring
Movable block；Electromagnetism fixture block is open type, that is, after being powered, fixture block is attracted by coil, the reduced diameter of electromagnetism fixture block.It is specific:
Under electromagnetism fixture block off-position, electromagnetism fixture block movable block is in natural extension state, and slide end heavy caliber is greater than electromagnetism
Outer diameter after fixture block power-off；Outer diameter after the small-bore power-off less than electromagnetism fixture block in slide end；Under electromagnetism fixture block energized state, electricity
Magnetic card block movable block is shunk, and the outer diameter after electromagnetism fixture block is powered is small-bore less than slide end.
Further, the interior cartridge module includes inner cylinder, and the inner tank theca is provided with inner cylinder reset spring, described
Inner cylinder reset spring one end is connect with the steel ball of middle cylinder lock outer end face, the flange inner face connection of the other end and inner cylinder；Described
Flexural pivot at the top of inner cylinder is provided at the top of inner cylinder；The inner tank theca is equipped with annular groove, the annular groove and steel ball locking phase
Cooperation.
Further, in the outer barrel component, the internal diameter of resistance to compression aluminum honeycomb bracket coaxial cooperation part is greater than resistance to compression aluminum honeycomb
The internal diameter of bracket reseting pressuring spring coaxial cooperation part, so that forming an annular step, resistance to compression aluminum honeycomb support in outer tube inner wall
The outer wall bottom of frame is matched with the ring-shaped step on outer tube inner wall, and by being evenly distributed in resistance to compression aluminum honeycomb bracket base
Several resistance to compression aluminum honeycomb brackets unlock firer's bolt realize being fastenedly connected for resistance to compression aluminum honeycomb bracket and outer cylinder.
Further, spine is provided on the inner wall of the tension aluminum honeycomb bracket, on the outer wall of resistance to compression aluminum honeycomb bracket
Tooth socket, and ratchet slot matches with the ratch mechanism；Effect of each ratchet in spring leaf or torsional spring in ratch mechanism
Lower holding is engaged with the close of ratchet slot, so that tension aluminum honeycomb bracket and resistance to compression aluminum honeycomb bracket can only carry out and outer cylinder
Coaxial unidirectional sliding.
The beneficial effect of the present invention and the prior art is:
1) present invention passes through on the ratch mechanism and resistance to compression aluminum honeycomb bracket and tension aluminum honeycomb bracket being arranged on outer cylinder
The monodirectional locking for cooperating to realize aluminum honeycomb energy-absorbing material resetting-mechanism between ratchet slot, had both met reusable
Requirement, and saved space and quality；
2) present invention realizes resistance to compression aluminum honeycomb bracket and tension aluminium bee by way of the unlock of firer's bolt and the release of energy storage pressure spring
The reset of nest bracket has lighter quality and simpler control compared to motor driven；
3) present invention using resistance to compression aluminum honeycomb bracket and tension aluminum honeycomb bracket as the buffering energy-absorbing material of major part by resetting
Mechanism realizes reset of the passive energy-absorbing material of aluminum honeycomb after landing buffer, remain aluminum honeycomb material performance it is stable, can
While the advantages that high by property, realize reusable；
4) complete machine structure of the present invention and mechanism design while realizing reusable, and it is double sufficiently to inherit traditional passive energy-absorbing
, quality light and small, high reliablity the advantages of simple to buffer structure, and there is stronger versatility；
5) to sum up, the device of the invention inhales mechanical spring resetting apparatus, ratchet one-way locking device with based on aluminum honeycomb conquassation
Can drawing/pressure bidirectional buffer of material combine, propose a kind of relatively simple structure, engineering realizability and high reliablity,
Versatility and portable strong reusable drawing/pressure bidirectional buffer, can be used for following multiple target deep space exploration task institute
The reusable soft landing device needed.
Detailed description of the invention
Fig. 1 is the structural schematic diagram that a kind of reusable passive energy-absorbing of the invention drew/pressed bidirectional buffer；
Fig. 2 is the cross-sectional view that a kind of reusable passive energy-absorbing of the invention drew/pressed bidirectional buffer.
Fig. 3 is that a kind of reusable passive energy-absorbing of the invention draws/press electric magnetic card block structure in bidirectional buffer to illustrate
Figure；
In figure: 1. outer barrel components, cartridge module, 3. interior cartridge modules, 4. slide components, 11. outer cylinders, 12. resistance to compression aluminium bees in 2.
Nest bracket, 13. resistance to compression aluminum honeycombs, 14. resistance to compression aluminum honeycomb bracket reseting pressuring springs, 15. ratch mechanisms, 16. resistance to compression aluminum honeycombs
Bracket unlock firer's bolt, cylinder in 21., 22. steel balls lock, cylinder reset spring in 23., 24. electromagnetism fixture blocks, 31. inner cylinders,
32. flexural pivot at the top of inner cylinder, 33. inner cylinder reset springs, 41. slides, 42. tension aluminum honeycombs, 43. tension aluminum honeycomb brackets,
44. tension aluminum honeycomb bracket reseting pressuring spring, 45. tension aluminum honeycomb brackets unlock firer's bolt, 46. tension aluminum honeycomb brackets
Baffle ring, 241. electromagnetism fixture block snap rings, 242. electromagnetism fixture block movable blocks, 411. slide ends are small-bore, 412. slide ends
Heavy caliber.
Specific embodiment
It is clear to keep the purpose of the present invention, technical solution and effect clearer, example is exemplified below to the present invention into one
Step is described in detail.It should be understood that specific implementation described herein is not intended to limit the present invention only to explain the present invention.
As shown in Figure 1 and 2, the reusable passive energy-absorbing of one kind of the invention draw/press bidirectional buffer, by outer cylinder group
Totally four parts form for part 1, middle cartridge module 2, interior cartridge module 3 and slide component 4.
The outer barrel component 1 includes outer cylinder 11, resistance to compression aluminum honeycomb bracket 12, resistance to compression aluminum honeycomb 13, resistance to compression aluminum honeycomb support
It is arranged on frame reseting pressuring spring 14, ratch mechanism 15, resistance to compression aluminum honeycomb bracket unlock firer's bolt 16 and 11 outer wall of outer cylinder anti-
Draw aluminum honeycomb bracket baffle ring 46；The middle cartridge module 2 includes middle cylinder 21, steel ball lock 22, middle cylinder reset spring 23, electromagnetism fixture block
24；The interior cartridge module 3 includes inner cylinder 31, inner cylinder top flexural pivot 32, inner cylinder returning spring 33；The slide component 4 wraps
Include slide 41, tension aluminum honeycomb 42, tension aluminum honeycomb bracket 43, tension aluminum honeycomb bracket reseting pressuring spring 44, tension aluminum honeycomb support
Frame unlocks firer's bolt 45.
Interior cartridge module 3 is coaxially installed on inside middle cartridge module 2, realizes inner cylinder 31 relative in by the pressure spring pre-tightened in advance
The stretching of cylinder 21, and locking of the inner cylinder 31 relative to middle cylinder 21 is realized by steel ball lock 22.Middle cartridge module 2 is coaxially installed on outer cylinder
1 cavity inside of component is, it can be achieved that retraction or overhanging movement relative to outer cylinder 11.Slide component 4 is coaxially installed on outer barrel component 1
With the periphery of middle 2 junction of cartridge module, the connection and disconnection with middle cylinder 21 are realized by electromagnetic clutch.Middle cartridge module 2 and
Resistance to compression buffering is realized in the retracting motion for doing opposite outer barrel component 4 together by the interior cartridge module 3 that steel ball lock 22 locks connection therewith
Function；Middle cartridge module 3 and to drive slide component 4 to do together by the interior cartridge module 3 that steel ball lock 22 locks connection therewith relatively outer
Tension pooling feature is realized in the overhanging movement of cartridge module 1.Wherein, the energy-absorbing material resetting apparatus and slide group in outer barrel component 1
Energy-absorbing material resetting apparatus in part 4 can realize the reuse of resistance to compression and tension aluminum honeycomb 42 respectively.
It may be implemented that drawing/pressure bidirectional buffer is reusable, and the specific course of work is such as using the device of the invention
Under:
When carrier rocket of the delivery equipped with apparatus of the present invention is after predetermined altitude casts radome fairing aside, in gathering lock state 0
Each landing buffer pedipulator of reusable soft landing device is unlocked by modes such as priming systems, and inner cylinder 31 is being located at this time
It is done under the action of compression or tensional state, the restoring force of inner cylinder reset spring 33 relative to the overhanging of middle cylinder 21 or retraction fortune
It is dynamic, until the groove on steel ball lock 22 and inner cylinder realizes cooperation locking, at this point, inner cylinder 31 and middle cylinder 21 hold together admittedly.
When carrying out first time landing buffer equipped with apparatus of the present invention, one kind of the present invention is reusable passive
Energy-absorbing draws/presses bidirectional buffer can be carried out compression energy-absorbing, it is also possible to carry out stretching energy-absorbing.
When carrying out compression energy-absorbing, middle cylinder 21 compresses resistance to compression aluminum honeycomb 13, realizes the absorption of impact energy, at this point, by
It is in power-off expansion state in electromagnetism fixture block 24, as shown in figure 3, the electromagnetism fixture block 24 includes electromagnetism fixture block snap ring 241, electricity
The circumferentially uniformly distributed electromagnetism fixture block movable block 242 of magnetic card block snap ring 241, electromagnetism fixture block snap ring 241 and electromagnetism fixture block movable block 22 it
Between be provided with flat spring or torsional spring.In the power-off state, electromagnetism fixture block movable block 242 is in flat spring or torsional spring for electromagnetism fixture block 24
Under effect, the state in natural extension, at this point, its outer profile envelope is rounded.The outer diameter of electromagnetism fixture block 24 is greater than slide end
Portion is small-bore 411, is less than slide end heavy caliber 412.Therefore, cylinder 21 not will drive relative to the retracting motion of outer cylinder 11 in the middle
Slide 41 moves together, i.e., at this point, tension aluminum honeycomb 42 has neither part nor lot in buffering energy-absorbing；
When carrying out stretching energy-absorbing, since electromagnetism fixture block 24 is in power-off expansion state, at this point, its outer profile envelope is rounded)
Outer diameter be greater than that slide end is small-bore 411, is less than slide end heavy caliber 412.Therefore, in the middle cylinder 21 relative to outer cylinder 11
Overhanging movement will will drive slide 41 and move together, so that slide flange compresses tension aluminum honeycomb 42, i.e., at this point, tension aluminum honeycomb
42 participate in buffering energy-absorbing.
After completing first time landing buffer, subjective posture is adjusted equipped with the device of the invention and is realized in outer celestial body table
The transmitting in face, in the process, electromagnetism fixture block 24 are in energization contraction state.In the energized state, made of ferrous material
Electromagnetism fixture block movable block 242 is under the magnetic force sucking action for the electromagnetic coil being installed in electromagnetism fixture block snap ring 241, in contraction
State.The envelope outer diameter of electromagnetism fixture block 24 is less than slide end small-bore 411, at this point, middle cylinder 21 is relative to the outer of outer cylinder 11
It stretches or retracting motion will not be by the influence of slide 41.
When equipped with the device of the invention, after outer celestial body surface emitting is taken off, middle cylinder 21 is extensive middle cylinder reset spring 23
Initial position is reset under the action of multiple power, i.e., middle cylinder reset spring 23 is in the position of natural length, at this point, tension aluminium bee
The 45 energization explosion of nest bracket firer bolt releases the position to tension aluminum honeycomb bracket 43 relative to outer cylinder 11 and locks, is being in
Under the action of the restoring force of the tension aluminum honeycomb bracket reseting pressuring spring 44 of compressive state, tension aluminum honeycomb bracket 43 is along outer cylinder 11
Outer wall sliding, and push slide 41 to do the resetting movement relative to outer cylinder 11 by tension aluminum honeycomb 42, until with slide end
The flange of portion small-bore 411 and 11 end of slide end and outer cylinder of slide end heavy caliber 412 fills Hp contacts；At this point, place
In energized state, the electromagnetism fixture block 24 positioned at 22 lower section of middle 21 end steel ball of cylinder lock power off, 24 envelope outer diameter of electromagnetism fixture block is big
It is small-bore 411 in slide end, be less than slide end heavy caliber 412, realize again in unidirectionally connecting between cylinder 21 and slide 41
It connects；At this point, the 16 energization explosion of resistance to compression aluminum honeycomb bracket firer bolt, releases confrontation jewelling honeycomb bracket 12 relative to outer cylinder 11
Position locking, under the action of the restoring force of the resistance to compression aluminum honeycomb bracket reseting pressuring spring 14 in compressive state, resistance to compression aluminum honeycomb
Bracket 12 is slided along the inner wall of outer cylinder 11, until the bottom of the frustum of a cone end at the top and middle cylinder 21 of resistance to compression aluminum honeycomb 13 connects
Touching.
The above-mentioned reset for realizing reusable passive energy-absorbing of the present invention and drawing/press bidirectional buffer.
When carrying out second of landing buffer equipped with reusable soft landing device of the invention, of the present invention one
The reusable passive energy-absorbing of kind draws/presses bidirectional buffer can be carried out compression energy-absorbing, it is also possible to carry out stretching energy-absorbing；
When carrying out compression energy-absorbing or stretching energy-absorbing, resistance to compression aluminum honeycomb bracket 12 or tension aluminum honeycomb bracket 43 are relative to outer cylinder 11
Reverse slide respectively by the ratch mechanism 15 and resistance to compression aluminum honeycomb bracket 12 or tension aluminum honeycomb bracket 43 on 11 outer wall of outer cylinder
On ratchet slot limited；Ratch mechanism 15 and resistance to compression aluminum honeycomb bracket 12 or tension aluminum honeycomb bracket 43 on 11 outer wall of outer cylinder
On ratchet slot between close occlusion realized by flat spring on each ratchet or torsional spring；Resistance to compression aluminum honeycomb support in the present invention
The stiffness coefficient of frame reseting pressuring spring 14 and tension aluminum honeycomb bracket reseting pressuring spring 44 is all than the stiffness coefficient of middle cylinder reset spring 23
It is much smaller.The reusable passive energy-absorbing of one kind of the present invention draws/and press bidirectional buffer that soft landing device may be implemented
Landing buffer twice on outer celestial body surface.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, without departing from the principle of the present invention, several improvement can also be made, these improvement also should be regarded as of the invention
Protection scope.
Claims (7)
1. a kind of reusable passive energy-absorbing draws/press bidirectional buffer, including outer barrel component (1), it is coaxially installed on outer cylinder
The internal middle cartridge module (2) of component (1) is coaxially installed on the internal interior cartridge module (3) of middle cartridge module (2) and is coaxially installed on
The slide component (4) of outer barrel component (1) and middle cartridge module (2) junction periphery；
The outer barrel component (1) includes outer cylinder (11), the inside of outer cylinder (11) from bottom and on successively include resistance to compression aluminium bee
Nest bracket reseting pressuring spring (14), resistance to compression aluminum honeycomb bracket (12)；The resistance to compression aluminum honeycomb bracket (12) is internally provided with resistance to compression
Aluminum honeycomb (13)；The upper and lower part of the outer wall of the outer cylinder (11) is circumferentially evenly equipped with several groups ratch mechanism (15) respectively；
The slide component (4) includes slide (41), and tension aluminum honeycomb bracket (43) is coaxially installed on slide (41) inside, institute
Tension aluminum honeycomb bracket (43) one end stated is provided with annular flange, and one end outer diameter of annular flange and the cylinder of slide (41) is arranged
Body internal diameter constitutes clearance fit；The other end outer diameter of the tension aluminum honeycomb bracket (43) and slide (41) top flange it is interior
Diameter constitutes clearance fit；The tension aluminium being arranged in the annular flange and outer cylinder (11) outer wall of the tension aluminum honeycomb bracket (43)
Between honeycomb bracket baffle ring (46), several by being evenly distributed in the annular flange of tension aluminum honeycomb bracket (43) resist
Aluminum honeycomb bracket unlock firer's bolt (45) is drawn to realize being fastenedly connected between tension aluminum honeycomb bracket (43) and outer cylinder (11)；
Tension aluminum honeycomb is provided in toroidal cavity between slide (41) inner wall and tension aluminum honeycomb bracket (43)
(42)；The reset of tension aluminum honeycomb bracket is provided in toroidal cavity between slide (41) inner wall and outer cylinder (11) outer wall
Pressure spring (44)；
Described slide (41) the upper end aperture is that there are two types of the double-layer structure of different caliber sizes, respectively slide end great Kou for tool
Diameter (412) and slide end are small-bore (411).
2. the reusable passive energy-absorbing of one kind according to claim 1 draws/press bidirectional buffer, which is characterized in that
The middle cartridge module (2) includes being coaxially installed on the internal middle cylinder (21) of outer cylinder (11), and described middle cylinder (21) one end is circle
Taper type, and the barrel diameter of the outer diameter of the frustum of a cone and resistance to compression aluminum honeycomb bracket (12) constitutes clearance fit；Middle cylinder (21)
The other end is equipped with steel ball lock (22)；
It is provided with ring baffle on described outer cylinder (11) inner wall, is set between the truncated cone and ring baffle of middle cylinder (21) one end
It is equipped with middle cylinder reset spring (23).
3. the reusable passive energy-absorbing of one kind according to claim 2 draws/press bidirectional buffer, which is characterized in that
It further include electromagnetism fixture block (24) in the middle cartridge module (2), the electromagnetism fixture block (24) is located at middle cylinder (21) and slide group
The junction of part (4)；The electromagnetism fixture block (24) is held axially fixed with middle cylinder (21).
4. the reusable passive energy-absorbing of one kind according to claim 3 draws/press bidirectional buffer, which is characterized in that
The electromagnetism fixture block (24) includes that the circumferentially uniformly distributed electromagnetism fixture block of electromagnetism fixture block snap ring (241), electromagnetism fixture block snap ring (241) is living
Motion block (242)；
Under electromagnetism fixture block (24) off-position, electromagnetism fixture block movable block (242) is in natural extension state, slide end heavy caliber
(412) outer diameter after being greater than electromagnetism fixture block (24) power-off；Slide end small-bore (411) is less than outer after electromagnetism fixture block powers off
Diameter；
Under electromagnetism fixture block (24) energized state, electromagnetism fixture block movable block (242) is shunk, and the outer diameter after electromagnetism fixture block (24) is powered is small
It is small-bore (411) in slide end.
5. the reusable passive energy-absorbing of one kind according to claim 1 draws/press bidirectional buffer, which is characterized in that
The interior cartridge module (3) includes inner cylinder (31), and the inner cylinder (31) outer wall is provided with inner cylinder reset spring (33), described
Inner cylinder reset spring (33) one end is connect with the steel ball of middle cylinder lock (22) outer end face, the flange inner face of the other end and inner cylinder (31)
Connection；Flexural pivot (33) at the top of inner cylinder is provided at the top of the inner cylinder (31)；It is recessed that inner cylinder (31) outer wall is equipped with annular
Slot, the annular groove are matched with steel ball lock (22).
6. the reusable passive energy-absorbing of one kind according to claim 1 draws/press bidirectional buffer, which is characterized in that
In the outer barrel component (1), the internal diameter of resistance to compression aluminum honeycomb bracket (12) coaxial cooperation part is multiple greater than resistance to compression aluminum honeycomb bracket
The internal diameter of position pressure spring (14) coaxial cooperation part, so that forming an annular step, resistance to compression aluminum honeycomb in outer cylinder (11) inner wall
The outer wall bottom of bracket (12) is matched with the ring-shaped step on outer cylinder (11) inner wall, and by resistance to compression aluminum honeycomb bracket (12)
Several resistance to compression aluminum honeycomb brackets that bottom is evenly distributed unlock firer's bolt (16) realize resistance to compression aluminum honeycomb bracket (12) and
Outer cylinder (11) are fastenedly connected.
7. the reusable passive energy-absorbing of one kind according to claim 1 draws/press bidirectional buffer, which is characterized in that
It is provided with ratchet slot on the inner wall of the tension aluminum honeycomb bracket (43), on the outer wall of resistance to compression aluminum honeycomb bracket (12), and
Ratchet slot matches with the ratch mechanism (15)；Effect of each ratchet in spring leaf or torsional spring in ratch mechanism (15)
Lower holding is engaged with the close of ratchet slot.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811358986.4A CN109307032B (en) | 2018-11-15 | 2018-11-15 | Repeatedly usable's passive energy-absorbing draws/presses two-way buffer |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811358986.4A CN109307032B (en) | 2018-11-15 | 2018-11-15 | Repeatedly usable's passive energy-absorbing draws/presses two-way buffer |
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| Publication Number | Publication Date |
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| CN109307032A true CN109307032A (en) | 2019-02-05 |
| CN109307032B CN109307032B (en) | 2020-04-24 |
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| CN201811358986.4A Active CN109307032B (en) | 2018-11-15 | 2018-11-15 | Repeatedly usable's passive energy-absorbing draws/presses two-way buffer |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110886809A (en) * | 2019-10-21 | 2020-03-17 | 南京航空航天大学 | Energy absorption/drive integrated electromagnetic buffer capable of realizing compliant falling shock |
| CN111891409A (en) * | 2020-06-28 | 2020-11-06 | 北京控制工程研究所 | Rigid-flexible dual-mode reusable landing buffer device |
| CN112027119A (en) * | 2020-08-10 | 2020-12-04 | 北京宇航系统工程研究所 | Reusable rocket landing leg collapse energy-absorbing bidirectional buffer |
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| CN110886809A (en) * | 2019-10-21 | 2020-03-17 | 南京航空航天大学 | Energy absorption/drive integrated electromagnetic buffer capable of realizing compliant falling shock |
| CN110886809B (en) * | 2019-10-21 | 2021-02-19 | 南京航空航天大学 | Energy absorption/drive integrated electromagnetic buffer capable of realizing compliant falling shock |
| CN111891409A (en) * | 2020-06-28 | 2020-11-06 | 北京控制工程研究所 | Rigid-flexible dual-mode reusable landing buffer device |
| CN111891409B (en) * | 2020-06-28 | 2022-04-12 | 北京控制工程研究所 | Rigid-flexible dual-mode reusable landing buffer device |
| CN112027119A (en) * | 2020-08-10 | 2020-12-04 | 北京宇航系统工程研究所 | Reusable rocket landing leg collapse energy-absorbing bidirectional buffer |
| CN112027119B (en) * | 2020-08-10 | 2022-05-24 | 北京宇航系统工程研究所 | Reusable rocket landing leg collapse energy-absorbing bidirectional buffer |
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