CN106704433B - A kind of bidirectional buffer with driving function - Google Patents
A kind of bidirectional buffer with driving function Download PDFInfo
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- CN106704433B CN106704433B CN201710020041.0A CN201710020041A CN106704433B CN 106704433 B CN106704433 B CN 106704433B CN 201710020041 A CN201710020041 A CN 201710020041A CN 106704433 B CN106704433 B CN 106704433B
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- slide
- cylinder
- drive system
- cartridge module
- outer cylinder
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Classifications
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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
- F16F3/00—Spring units consisting of several springs, e.g. for obtaining a desired spring characteristic
- F16F3/02—Spring units consisting of several springs, e.g. for obtaining a desired spring characteristic with springs made of steel or of other material having low internal friction
- F16F3/04—Spring units consisting of several springs, e.g. for obtaining a desired spring characteristic with springs made of steel or of other material having low internal friction composed only of wound springs
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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
- F16F2224/00—Materials; Material properties
- F16F2224/02—Materials; Material properties solids
- F16F2224/0225—Cellular, e.g. microcellular foam
Abstract
The invention discloses a kind of bidirectional buffers with driving function, including drive system module, outer barrel component, middle cartridge module, interior cartridge module and slide component;The slide component is installed on the periphery of outer barrel component Yu middle cartridge module junction;Wherein, middle cartridge module and interior cartridge module can be realized the retracting motion relative to outer barrel component, realize compression pooling feature;Middle cartridge module and slide component can be realized relative to the overhanging movement of outer barrel component and stretch pooling feature;Cartridge module and interior cartridge module in drive system module drive, move reciprocatingly relative to outer barrel component, it can be achieved that driving function;The present invention compensate for it is existing can posture adjustment lander the flexibility deficiency and not good enough ease of use of the integrated aspect of driving and pooling feature the disadvantages of, have stronger portability, and duplicate protection is implemented to drive system during bidirectional buffering.
Description
Technical field
The invention belongs to the field of configuration of buffering and attitude regulation, tool are carried out to interplanetary lander or other payload
Body refers to a kind of bidirectional buffer with driving function.
Background technique
" soft landing " is a kind of landing approach that current interplanetary lander generallys use, process are as follows: lander is under
Drop section is slowed down using means such as buffering rockets and is adjusted aerial statue, so that lander can be existed with lower longitudinal direction and lateral velocity
Extraterrestrial body surface face is landed, and absorbs landing shock energy using buffer gear when landing.
Traditional interplanetary lander is only capable of being fixed on landing point after landing, can not adjust the posture of buffering leg, detection
The extension of range can only also be realized by discharging the means such as the rover entrained by it.Therefore, when touchdown area landform occur
Looks are uneven or lander buffering leg is in unfavorable operating conditions such as outer celestial body surface depressions, complete to buffer and are fixed on landing point
Lander will be unable to control and correct position and the posture of itself, may generate unfavorable shadow to the implementation of subsequent probe task
It rings.
Currently, assigning driving function to interplanetary lander buffering leg to adjust the research neck of lander position and posture
Domain, the country known to have Shanghai Aerospace System Engineering Research Inst propose " can walk soft lunar landing mechanism " (
CN201510302516.6) and Beijing City Space Vehicle Ensemble Designing Departmen propose " with landing buffer function running machine
People " (CN201510616864.0).The soft lunar landing mechanism that can wherein walk in one end of master/auxiliary damper leg by pacifying
The sliding block that can be slided on (being installed on lander side wall) sliding rail is filled, and is slided on the slide rail by screw drive mechanism sliding block
Mode, master/auxiliary damper leg is driven;Walking robot with landing buffer function passes through in host buffer pillar
It is internally integrated the lead-screw drive mechanism based on clasp nut and realizes the driving to host buffer pillar after landing.The former scheme
In, the design that buffer unit is separated with driving part is unfavorable for the compact of complete machine structure, also inconvenient integral transplanting to other
On the device of land;In the scheme of the latter, the absorption to cushion effect is realized by the way of pull rod deformation, is needed after buffering using cutter
Pull rod is cut off, to meet the movement needs of screw drive mechanism, structure is complicated.
To sum up, that there are complete machine structures is not compact enough, removable for the lander buffer for having driving function being currently known
The deficiencies of not high or ease of use of plant property is not good enough, needs to improve.
Summary of the invention
To solve the above problems, the invention proposes a kind of bidirectional buffer with driving function, the bidirectional buffer
Compensate for it is existing can posture adjustment lander it is not good enough etc. in the flexibility deficiency and ease of use of the integrated aspect of driving and pooling feature
Disadvantage has stronger portability, and implements duplicate protection to drive system during bidirectional buffering.
The invention is realized in this way a kind of bidirectional buffer with driving function comprising drive system module, outer
Cartridge module, middle cartridge module, interior cartridge module and slide component, it is the drive system module, outer barrel component, middle cartridge module, interior
Cartridge module is sequentially connected from bottom to up;The slide component is installed on the periphery of outer barrel component Yu middle cartridge module junction;
The drive system module includes driving motor and the drive system installation of lateral connection therewith containing retarder
Tub, the drive system installation tub end are equipped with drive system mounting cylinder frame end lid;Drive system mounting cylinder frame end
Lid is installed on the end of drive system installation tub, so that the drive system module forms a closed component;
The outer barrel component includes outer cylinder, nut guide rod and outer cylinder aluminum honeycomb;The outer cylinder and drive system is pacified
Fitted tube frame is coaxially connected;Outer cylinder aluminum honeycomb is coaxially installed on outer barrel, and is located at one end of drive system installation tub;
The middle cartridge module includes middle cylinder, steel ball lock and electromagnetism expansion fixture block;Described middle cylinder one end is truncated cone-shaped, separately
One end is equipped with steel ball lock, and middle cylinder is coaxially installed in outer cylinder;The electromagnetism expansion fixture block is coaxially installed on outside middle cylinder, and
It is held axially fixed positioned at middle cylinder and slide component junction, and with middle cylinder;Under the control of the controller, between middle cylinder and slide
Fixture block realization is expanded by electromagnetism to connect or disconnect;
The interior cartridge module includes inner cylinder and inner cylinder returning spring;The inner cylinder is coaxially installed in middle cylinder;It is described
Inner tank theca be additionally provided with steel ball lock cooperation annular groove;The steel ball of the lower end of the inner cylinder returning spring and steel ball lock
Outer end face connection is locked, upper end is connect with the inner cylinder inner face of inner cylinder end flange;
The slide component includes slide, slide aluminum honeycomb and slide returning spring;The slide aluminum honeycomb is coaxial
Be installed on inside slide, upper and lower end faces respectively with the end flange of the outer cylinder inner face of outer cylinder end flange and slide
Slide inner end face contact;The slide returning spring is coaxially embedded among slide aluminum honeycomb, upper and lower end faces respectively with
The slide inner face of the end flange of the outer cylinder inner face and slide of outer cylinder end flange connects;
The slide 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 and slide end are small-bore;Such structure to expand fixture block reality by the electromagnetism after the extension that is powered between middle cylinder and slide
Existing connection has one-way, the outer diameter after the small-bore expansion fixture block power-off contraction greater than electromagnetism in slide end, after buffering
Driving stage, electromagnetism expand fixture block power-off and shrink, and middle cylinder does the flexible fortune relative to outer cylinder under the action of drive system module
When dynamic, slide is not acted with middle cylinder, i.e., slide is only capable of the pulling action relative to outer cylinder synchronous with the holding of middle cylinder, cannot be in
Cylinder does the compressed action relative to outer cylinder.
Further, the drive system module further includes the transmission gear being installed on inside drive system installation tub
Group, the jackshaft being connected with shaft coupling upper end, is connected with jackshaft upper end at the shaft coupling being connected with driving gear set output shaft
Electromagnetic clutch, above-mentioned component are installed in drive system installation tub to constitute a black box;The drive system
Component further includes screw rod and nut, and the screw rod is connected to the upper end of electromagnetic clutch;The nut is installed on middle cylinder
Truncated cone-shaped bottom end in, and fit in screw rod, nut is axially fixedly connected with the truncated cone-shaped end of middle cylinder, so that nut is in
Cylinder forms a whole;The driving gear set is installed in the driving motor output shaft containing retarder.
Further, electromagnetic clutch is closed type clutch, and nut is closed type clasp nut;The preparation stage is being buffered,
Under the control of the controller, electromagnetic clutch disconnects the connection of jackshaft and lead screw, and nut is separated with lead screw, realizes buffered
To the duplicate protection of drive system module in journey.
Further, the nut guide rod is parallel to the central axis of outer cylinder, and is uniformly distributed around the central axis of outer cylinder.
Further, the slide end heavy caliber is greater than the outer diameter after electromagnetism expansion fixture block energization extension;The drawing
Outer diameter after the small-bore extension that is powered less than electromagnetism expansion fixture block in cylinder end.
Further, the slide flange exterior surface of the slide lower end is the tubaeform anchor ring in indent, such to set
Conquassation slide aluminum honeycomb can be enhanced to realize structural strength when stretching buffering in meter.
The beneficial effect of the present invention compared with the existing technology is:
(1) present invention drives leadscrew-nut mechanism by drive system module, and middle cartridge module is relative to outer cylinder group
The axially reciprocating of part, nut keeps axial relatively fixed with the middle cylinder in middle cartridge module at this time, and middle cylinder is locked further through steel ball
Keep relatively fixed with the inner cylinder in interior cartridge module, it is past relative to the straight line of outer cylinder to be converted into inner cylinder for the rotary motion of motor at this time
Multiple movement, realizes driving function;
(2) it when the inner cylinder in interior cartridge module does the compression linear motion relative to outer cylinder, drives by middle cartridge module
Steel ball lock with its keep relatively-stationary middle cylinder synchronize do relative to outer cylinder compression linear motion, in the middle cylinder compression outer cylinder aluminium bee
When nest, compression pooling feature is realized;
(3) it when the inner cylinder in above-mentioned interior cartridge module does the stretching linear motion relative to outer cylinder, drives and passes through middle cartridge module
In steel ball lock with its keep relatively-stationary middle cylinder synchronize do stretching linear motion relative to outer cylinder, at this time middle cylinder further through
The electromagnetism expansion fixture block after extending that is powered drives slide to synchronize the stretching linear motion done relative to outer cylinder, when slide compresses slide
When aluminum honeycomb, realizes and stretch pooling feature;
(4) realize that the design of driving function of the present invention and pooling feature is Integration Design, it is compact-sized;Have benefited from collecting
It is designed at changing, it is convenient on integral transplanting to other landing buffer mechanisms;Using aluminum honeycomb as energy-absorbing material, technology maturation
Reliably, and the shrinkage of aluminum honeycomb do not influence driving part needed for impulse stroke;After aluminum honeycomb conquassation, additional place is needed not move through
Reason, can be driven;Using clasp nut and electromagnetic clutch, dual guarantor is carried out to ball screw framework in buffer stage
Shield.
Detailed description of the invention
Fig. 1 is a kind of overall structure diagram of the bidirectional buffer with driving function of the present invention;
Fig. 2 is a kind of axial sectional view of the bidirectional buffer with driving function of the present invention.
Wherein, 1- drive system module, driving motor of the 11- containing retarder, 12- driving gear set, 13- shaft coupling, 14-
Jackshaft, 15- electromagnetic clutch, 16- drive system install tub, 17- drive system mounting cylinder frame end lid, 18- screw rod, 19-
Nut, 2- outer barrel component, 21- outer cylinder, 211- outer cylinder inner face, 22- nut guide rod, 23- outer cylinder aluminum honeycomb, in 231- aluminum honeycomb
End face, cartridge module in 3-, cylinder in 31-, cylinder end outer surface in 311-, 32- steel ball lock, 321- steel ball lock outer end face, 33- electromagnetism
Expand fixture block, 4- interior cartridge module, 41- inner cylinder, 411- inner cylinder inner face, 42- inner cylinder returning spring, 5- slide component, 51- drawing
Cylinder, 511- slide inner face, 512- slide end heavy caliber, 513- slide end is small-bore, 514- slide flange exterior surface,
52- slide aluminum honeycomb, 53- slide returning spring.
Specific embodiment
The present invention provides a kind of bidirectional buffer with driving function, to make the purpose of the present invention, technical solution and effect
Fruit is clearer, clear, and referring to attached drawing and gives an actual example that the present invention is described in more detail.It should be understood that described herein
Specific implementation only to explain the present invention, be not intended to limit the present invention.
Below with reference to attached drawing of the invention, to the work of the double buffering with driving function by taking specific embodiment as an example
It is further described as principle, specific as follows:
As shown in Figure 1, a kind of bidirectional buffer with driving function of the invention, includes drive system module 1, outer
Five parts of cartridge module 2, middle cartridge module 3, interior cartridge module 4 and slide component 5 have four-layer structure.
As shown in Fig. 2, the drive system module 1 includes driving motor 11 containing retarder, is installed on containing retarder
Driving gear set 12 on 11 output shaft of driving motor, the shaft coupling 13 and shaft coupling being connected with 12 output shaft of driving gear set
13 connected jackshafts 14 and the electromagnetic clutch 15 being connected with jackshaft 14.Above-mentioned each component is installed on drive system installation
To constitute a black box in tub 16, drive system mounting cylinder frame end lid 17 is installed on the end of drive system installation tub 16
End, so that the drive system module 1 forms a closed component.In addition, the drive system module 1 further includes lead screw 18
With nut 19;Wherein, the end of lead screw 18 is connect with electromagnetic clutch 15, and is connected to the upper end of electromagnetic clutch 15;It is described
Nut 19 be installed in the truncated cone-shaped end of middle cylinder 31, positioned at the upper end of outer cylinder aluminum honeycomb 23, and nut 19 and middle cylinder 31
Truncated cone-shaped end is axially fixedly connected, so that nut 19 forms a whole with middle cylinder 31.
The outer barrel component 2 includes 21, three nut guide rods 22 of outer cylinder and outer cylinder aluminum honeycomb 23.Wherein, outer cylinder 21 with
Drive system installs that tub 16 is coaxially connected, three nut guide rods 22 each parallel to outer cylinder 21 central axis, and around outer cylinder 21
Central axis be uniformly distributed, the cylindrical outer cylinder aluminum honeycomb 23 of annulus is coaxially installed on the inside of outer cylinder 21 close to drive system mounting cylinder
One end of frame 16.
The middle cartridge module 3 includes that middle cylinder 31, steel ball lock 32 and electromagnetism expand fixture block 33.Wherein, middle 31 one end of cylinder is
Truncated cone-shaped, the other end are equipped with steel ball lock 32, and middle cylinder 31 is coaxially installed in outer cylinder 21, can do the reciprocal fortune relative to outer cylinder 21
Dynamic, electromagnetism expansion fixture block 33 is coaxially installed on outside middle cylinder 31, is located at middle cylinder 31 and 5 junction of slide component, is protected with middle cylinder 31
Hold axial restraint.
The interior cartridge module 4 includes inner cylinder 41 and inner cylinder returning spring 42.Wherein, inner cylinder 41 is coaxially installed on middle cylinder 31
It is interior, can move reciprocatingly relative to middle cylinder 31, have annular groove on 41 outer wall of inner cylinder, can with steel ball lock 32 cooperation, it can be achieved that
One end of being fixedly connected between inner cylinder 41 and middle cylinder 31, inner cylinder returning spring 42 is connect with steel ball lock outer end face 321, the other end
It is connect with the inner cylinder inner face 411 of 41 end flange of inner cylinder.
The slide component 5 includes slide 51, slide aluminum honeycomb 52 and slide returning spring 53.Wherein, slide aluminium bee
Nest 52 is annulus cylindricality, and is coaxially installed on inside slide 51, and both ends of the surface are respectively and in the slide of the end flange of slide 51
The outer cylinder inner face 211 of the end flange of end face 511 and outer cylinder 21 contacts, and slide returning spring 53 is coaxially embedded in slide aluminium
Among honeycomb 52, the both ends of the surface end flange with the slide inner face 511 of the end flange of slide 51 and outer cylinder 21 respectively
Outer cylinder inner face 211 connect.
Wherein, the working principle of the bidirectional buffer with driving function is: when being applied on the adjustable lander of pose,
A kind of bidirectional buffer with driving function of the present invention can be used as the host buffer pillar for only needing unidirectional energy-absorbing, can also be used as
Need the auxiliary damper leg of two-way energy-absorbing.
It is illustrated by taking a kind of following usage modes as an example, but specifically used mode is without being limited thereto.
In assembly, middle cylinder 31 is retracted relative to outer cylinder 21, so that the truncated cone-shaped of the internal middle cylinder 31 for being equipped with nut 19
End contacts with outer cylinder aluminum honeycomb 23 and moderately compresses.Nut 19 is automatically controlled clasp nut, and nut 19 and electromagnetic clutch 15 are equal
Play the role of axial limiting of the centering cylinder 31 relative to outer cylinder 21 at this time all in power-off engagement state for closed type.In addition,
According to the requirement of used specific lander configuration, under rounding state, inner cylinder 41 is stretched out or is retracted relative to middle cylinder 31, so that
Inner cylinder returning spring 42 is stretched or compressed and generates restoring force, i.e., is according to specific needs designed as inner cylinder returning spring 42
Tension spring or pressure spring.
When lander carries out landing buffer preparation, in the buffering leg unlock for collapsing impaction state, inner cylinder 41 is in inner cylinder
It retracts or stretches out relative to middle cylinder 31 under the action of the restoring force of returning spring 42, and when the annular slot and steel ball on inner cylinder 41
When 32 cooperation locking of lock, inner cylinder 41 and middle cylinder 31 are combined into an entirety.Then, under the control of the controller, the electricity of closed type
The energization of magnet clutch 15 disconnects, and the automatically controlled clasp nut 19 of closed type, which is also powered, unclamps clamping to lead screw 18, and realization exists
To the dual security protection of drive system module 1 in buffering course.Meanwhile electromagnetism expansion fixture block 33 is powered, and is evenly distributed
Radially sliding slot extends to the outside several fixture blocks respectively, and the outer diameter of the electromagnetism expansion fixture block 33 after the extension that is powered is between slide 51
End heavy caliber 512 and end small-bore 513 between.
When buffering leg contacts to earth, under impact force action, buffering leg drives inner cylinder 41 relative to the movement of lander ontology
The retraction relative to outer cylinder 21 or overhanging movement are done, at this point, the middle cylinder 31 for being connected as an entirety with inner cylinder 21 is kept and inner cylinder
21 move synchronously.
If inner cylinder 41(and middle cylinder 31) retracting motion relative to outer cylinder 21 is done, due to being held axially fixed with middle cylinder 31
Energization extension after electromagnetism expansion fixture block 33 outer diameter be less than slide 51 end heavy caliber 512, so electromagnetism expand fixture block
33 with middle cylinder 31 movement, not will drive slide 51 and act together.At this point, the middle cylinder end outer surface of the truncated cone-shaped of middle cylinder 31
311 compression aluminum honeycombs 23, realize the absorption and dissipation of impact energy.
If inner cylinder 41(and middle cylinder 31) overhanging movement relative to outer cylinder 21 is done, due to being held axially fixed with middle cylinder 31
Energization extension after electromagnetism expansion fixture block 33 outer diameter be greater than slide 51 end small-bore 513, so electromagnetism expand fixture block
33 with middle cylinder 31 movement, it will drive slide 51 act together.At this point, making the slide inner face of the end flange of slide 51
511 go compression slide aluminum honeycomb 52, realize the absorption and dissipation of impact energy.
So far, a kind of pooling feature of the bidirectional buffer with driving function of the present invention is completed.
After buffering, the electromagnetic clutch 15 of closed type and the automatically controlled clasp nut 19 of closed type are in the control of controller
The lower power-off engagement of system, is connected from the driving motor 11 containing retarder to the transmission chain of middle cylinder 31.At this point, the driving electricity containing retarder
The rotation of machine 11, by driving gear set 12 in drive system module 1, shaft coupling 13, jackshaft 14, electromagnetic clutch 15,
The transmission devices such as screw rod 18 and nut 19 cylinder 31 and are kept fixed in connection by steel ball lock 32 with middle cylinder 31 in driving
Cylinder 41 does the axially reciprocating relative to outer cylinder 21, specifically, sliding on the nut guide rod 22 in outer barrel component, and opposite
Rotating threaded shaft 18 does the nut 19 of axially reciprocating and the middle cylinder 31 in middle cartridge module 3 keeps axial relatively fixed, middle cylinder 31
Keep relatively fixed with the inner cylinder 41 in interior cartridge module 4 further through steel ball lock 32, the rotary motion of motor is converted into 41 phase of inner cylinder
Straight reciprocating motion for outer cylinder 21.
So far, a kind of driving function of the bidirectional buffer with driving function of the present invention is completed.
Before starting a kind of specific drive actions of the bidirectional buffer with driving function of the present invention, controller
Electromagnetism expansion fixture block 33 is powered off, so that the outer diameter of the electromagnetism expansion fixture block after shrinking is less than slide end small-bore 513, i.e., it is complete
Connection in full disconnection between cylinder 31 and slide 51 in the axial direction.If what bidirectional buffer was completed is to stretch buffering, exist at this time
Under the action of the restoring force of the slide returning spring 53 compressed by the slide inner face 511 of the end flange of slide 51, slide 51
The state before slide aluminum honeycomb 52 is crushed is restored to the relative position of outer cylinder 21.
In addition, in design being convenient to that the size of mechanism each section is determined by calculation, so that nut 19 is in lead screw 18
The axial movement space that the used pose steerable landing device buffering leg motion range met needed for upper requires, by outer barrel component 2
In the aluminum honeycomb inner face 231 of outer cylinder aluminum honeycomb 23 and the distance between the outer cylinder inner face 211 of 21 other end of outer cylinder determine,
With the practical crumple of the outer cylinder aluminum honeycomb 23 in outer barrel component 2 and the slide aluminum honeycomb 52 in slide component 5 in buffering course
It measures unrelated.
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 (6)
1. a kind of bidirectional buffer with driving function, which is characterized in that including drive system module (1), outer barrel component
(2), middle cartridge module (3), interior cartridge module (4) and slide component (5), the drive system module (1), outer barrel component (2),
Middle cartridge module (3), interior cartridge module (4) are sequentially connected from bottom to up;The slide component (5) be installed on outer barrel component (2) with
The periphery of middle cartridge module (3) junction;
The drive system module (1) includes driving motor (11) containing retarder and the drive system peace of lateral connection therewith
Fitted tube frame (16), described drive system installation tub (16) end are equipped with drive system mounting cylinder frame end lid (17);It is described
Drive system module (1) further include nut (19);The nut (19) is installed in the truncated cone-shaped bottom end of middle cylinder (31),
And fit in screw rod (18);
The outer barrel component (2) includes outer cylinder (21), nut guide rod (22) and outer cylinder aluminum honeycomb (23);The outer cylinder
(21) coaxially connected with drive system installation tub (16);Outer cylinder aluminum honeycomb (23) is coaxially installed on outer cylinder (21) inside, and position
In one end of drive system installation tub (16);
The middle cartridge module (3) includes middle cylinder (31), steel ball lock (32) and electromagnetism expansion fixture block (33);The middle cylinder (31)
One end is truncated cone-shaped, and the other end is equipped with steel ball lock (32), and middle cylinder (31) is coaxially installed in outer cylinder (21);The electromagnetism is swollen
It is external that swollen fixture block (33) is coaxially installed on middle cylinder (31), is located at middle cylinder (31) and slide component (5) junction, and with middle cylinder (31)
It is held axially fixed;
The interior cartridge module (4) includes inner cylinder (41) and inner cylinder returning spring (42);During the inner cylinder (41) is coaxially installed on
In cylinder (31);Described inner cylinder (41) outer wall is additionally provided with the annular groove with steel ball lock (32) cooperation;The inner cylinder replys bullet
The lower end of spring (42) is connect with the steel ball of steel ball lock (32) lock outer end face (321), the inner cylinder of upper end and inner cylinder (41) end flange
Inner face (411) connection;
The slide component (5) includes slide (51), slide aluminum honeycomb (52) and slide returning spring (53);The slide
It is internal that aluminum honeycomb (52) is coaxially installed on slide (51), the upper and lower end faces outer cylinder inner end with outer cylinder (21) end flange respectively
The slide inner face (511) of the end flange of face (211) and slide (51) contacts;The slide returning spring (53) is coaxial
It is embedded among slide aluminum honeycomb (52), the upper and lower end faces outer cylinder inner face (211) with outer cylinder (21) end flange respectively
And slide inner face (511) connection of the end flange of slide (51);
Described slide (51) 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 (512) and slide end are small-bore (513).
2. a kind of bidirectional buffer with driving function according to claim 1, which is characterized in that the driving system
System component (1) further includes the driving gear set (12) and driving gear set for being installed on the inside of drive system installation tub (16)
(12) the connected shaft coupling (13) of output shaft, the jackshaft (14) that is connected with shaft coupling (13) upper end and jackshaft (14) upper end
Connected electromagnetic clutch (15);Wherein electromagnetic clutch (15) upper end is also connected with screw rod (18);The driving gear set
(12) it is installed on the driving motor containing retarder (11) output shaft.
3. a kind of bidirectional buffer with driving function according to claim 2, which is characterized in that electromagnetic clutch
It (15) is closed type clutch, nut (19) is closed type clasp nut.
4. a kind of bidirectional buffer with driving function according to claim 1, which is characterized in that the nut is led
Bar (22) is parallel to the central axis of outer cylinder (21), and the central axis around outer cylinder (21) is uniformly distributed.
5. a kind of bidirectional buffer with driving function according to claim 1, which is characterized in that the slide end
Portion's heavy caliber (512) is greater than the outer diameter after electromagnetism expansion fixture block (33) energization extension;The slide end small-bore (513) is small
Outer diameter after electromagnetism expansion fixture block (33) is powered extension.
6. a kind of bidirectional buffer with driving function according to claim 1, which is characterized in that the slide
(51) the slide flange exterior surface (514) of lower end is the tubaeform anchor ring in indent.
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CN107081741A (en) * | 2017-05-26 | 2017-08-22 | 安徽沃屹智能装备有限公司 | A kind of security mechanical arm |
CN109178350B (en) * | 2018-09-28 | 2021-06-15 | 南京航空航天大学 | Telescopic driving device with tension and compression bidirectional buffering function |
CN109307032B (en) * | 2018-11-15 | 2020-04-24 | 南京航空航天大学 | Repeatedly usable's passive energy-absorbing draws/presses two-way buffer |
CN111591364B (en) * | 2020-05-12 | 2022-05-06 | 上海交通大学 | Passive electromagnetic type repeatable buffer robot leg system and buffer robot |
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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Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101780841A (en) * | 2010-03-10 | 2010-07-21 | 南京航空航天大学 | Landing leg pressing, unfolding and locking device of lander |
CN102060106A (en) * | 2010-12-21 | 2011-05-18 | 南京航空航天大学 | Buffer landing leg for planet detector |
EP2340999A2 (en) * | 2010-01-04 | 2011-07-06 | Astrium GmbH | Landing device for spacecraft |
CN103935525A (en) * | 2014-04-24 | 2014-07-23 | 南京航空航天大学 | Buffering landing leg of reusable launch vehicle and buffering method of buffering landing leg |
CN105127975A (en) * | 2015-09-24 | 2015-12-09 | 北京空间飞行器总体设计部 | Walking robot having landing buffer function |
CN105438502A (en) * | 2015-11-30 | 2016-03-30 | 上海宇航系统工程研究所 | External electric folding landing mechanism |
CN106275392A (en) * | 2016-09-08 | 2017-01-04 | 南京航空航天大学 | A kind of multistage pressurized strut locking device |
-
2017
- 2017-01-12 CN CN201710020041.0A patent/CN106704433B/en active Active
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2340999A2 (en) * | 2010-01-04 | 2011-07-06 | Astrium GmbH | Landing device for spacecraft |
CN101780841A (en) * | 2010-03-10 | 2010-07-21 | 南京航空航天大学 | Landing leg pressing, unfolding and locking device of lander |
CN102060106A (en) * | 2010-12-21 | 2011-05-18 | 南京航空航天大学 | Buffer landing leg for planet detector |
CN103935525A (en) * | 2014-04-24 | 2014-07-23 | 南京航空航天大学 | Buffering landing leg of reusable launch vehicle and buffering method of buffering landing leg |
CN105127975A (en) * | 2015-09-24 | 2015-12-09 | 北京空间飞行器总体设计部 | Walking robot having landing buffer function |
CN105438502A (en) * | 2015-11-30 | 2016-03-30 | 上海宇航系统工程研究所 | External electric folding landing mechanism |
CN106275392A (en) * | 2016-09-08 | 2017-01-04 | 南京航空航天大学 | A kind of multistage pressurized strut locking device |
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