CN107579332A - Cylinder surface antenna is received in a kind of synchronous exhibition based on Bennett mechanisms - Google Patents
Cylinder surface antenna is received in a kind of synchronous exhibition based on Bennett mechanisms Download PDFInfo
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- CN107579332A CN107579332A CN201710755407.9A CN201710755407A CN107579332A CN 107579332 A CN107579332 A CN 107579332A CN 201710755407 A CN201710755407 A CN 201710755407A CN 107579332 A CN107579332 A CN 107579332A
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Abstract
The invention discloses a kind of synchronous exhibition based on Bennett mechanisms to receive cylinder surface antenna, and both deployable to specified configuration was used for work, can also collapse in order to transport.Device mainly includes development mechanism, quick lock mechanism, drive mechanism of restricting.Mechanism deploying mechanism is made up of connecting rod and cradle head, and quick lock mechanism is arranged on development mechanism in an orderly manner, and rope drive device order, which is fixed on, realizes that the exhibition of mechanism is received and locked on development mechanism.During gathering, mechanism rod is collapsed into a branch of by connecting joint drive around joint axle center;During expansion, connecting rod rotates around joint axle center, is expanded to specified cylindrical type face, and realizes automatic locking.Opened and locked by gathering rope simultaneously, realize that expansion is collapsed in the repetition of mechanism.The expansion and gathering of the achievable mechanism single-degree-of-freedom of the present invention, have and occupy little space, repeat and utilize, it is cost-effective the advantages that.
Description
Technical field
The present invention relates to a kind of synchronous exhibition based on Bennett mechanisms to receive cylinder surface antenna, belongs to field of mechanical technique.
Background technology
In space technology, due to the limitation of delivery vehicle payload bay physical dimension, the space flight such as satellite and space station
The widely used development agency of device, by changing its physical form and size, to meet actual demand.It can be opened up compared with general mechanism
Mechanism possess simple and quick, complete rounding state space-consuming it is smaller, it is repeatable utilize, be readily transported and store etc. it is excellent
Point.With the deep development of aviation aerospace cause, space development agency is just towards heavy caliber, high precision int, lighting direction
Development, this just needs antenna structure to have larger storage rate and excellent expanding performance.
Existing development agency is combined by scissor mechanism mostly to be formed, and rod member can be collapsed into a branch of and be expanded to different shape,
The Typical Representative that the large space development agency formed is combined by scissor mechanism uses hexagonal module for ETS-VIII satellites,
CSPDA annular truss formula deployable antennas are cut unit by inside and outside two layers and are connected, and Astro Mesh antennas then utilize quadrilateral structure list
The characteristics of first diagonal flexible, completes expansion and collapses.
To make development agency obtain higher intensity and exhibition receipts ratio, space Planar Mechanisms unit mechanisms obtain in its design
Extensive use.Based on Sarrus, Bricard, Mayard and Bennettd unit mechanisms devise it is a series of can Zhan Shou mechanisms.
In recent years, cylindrical structure can be opened up and is widely used in space application.Cylindrical mask is directional strong, high gain,
The features such as being easy to light beam automatically scanning, have become the important development direction in space Deployable antenna type face.
The content of the invention
It is an object of the invention to be that range site mechanism designs a kind of new cylinder face expansion antenna, assembling is simple,
It is repeatable to utilize, it is cost-effective, there is high storage rate and surface accuracy.
For above-mentioned purpose and current techniques background, of the invention having repeats the cylinder surface antenna dress that function is collapsed in expansion
Put, there is synchronism, can be achieved to repeat expansion gathering, make device overall structure compacter, save space.
It is to be combined space Planar Mechanisms Bennett unit mechanisms with scissor mechanism that the present invention, which has technical thought, is used
The form of joint connection realizes the single-degree-of-freedom synchronous expansion of each moving cell of mechanism, the work shape face fitting of the antenna assembly
The face of cylinder, and it is a branch of that there are whole rod members compact can be collapsed into.Whole antenna includes:
Development mechanism, quick lock mechanism, drive mechanism of restricting, development mechanism is made up of connecting rod and cradle head, as antenna
Main frame, form required cylindrical shape.
Described development mechanism, including m big Bennett expansion units and m+1 small Bennett expansion units, these
Expansion unit is sequentially connected with, and forms the skeleton of development mechanism, m >=2;
Each big Bennett expansion unit includes four root long bars and two hinge joints, each small Bennett expansion unit
Including four quarter butts and two cradle heads, connected between large and small Bennett mechanisms by one group of scissors unit;
Each scissors unit includes a preceding stock, stock after one, a preceding quarter butt, quarter butt after one, is grown before one
Bar joint, long bar joint after one, a preceding quarter butt joint, quarter butt joint after one, preceding stock is with rear quarter butt respectively by preceding
Long bar joint, rear quarter butt joint are connected with axle sleeve hinge, and preceding stock and rear quarter butt rotate around axle sleeve hinge, rear stock with it is preceding short
Bar is connected by rear long bar joint, preceding quarter butt joint with synchronous hinge respectively, in motion process synchronous hinge by pivot pin with
Axle sleeve hinge is coaxial, synchronous rotary, and both have common slewing area.Two synchronous hinge rotating shafts are located at axle sleeve hinge rotating shaft
Both sides, the synchronous axial system of preceding quarter butt and rear stock can be realized.
Above-mentioned deployable cylinder surface antenna, the rotation pass of two adjacent stock connections in big Bennett unit mechanisms
There is driving torsion spring at the rotating shaft of section, anticlockwise joint is connected with left hinge, and right rotation joint is connected with right hinge, and joint drive should
Torsion spring provides driving force for the expansion of antenna.
The cradle head of adjacent rod member, cradle head front contact pass through in above-mentioned deployable face of cylinder antenna element mechanism
Screw is connected with rotary joint, and rear tie points are connected with stock/quarter butt by pin.
Installation quick lock mechanism, quick lock mechanism are surveyed in above-mentioned big Bennett unit mechanisms in the cradle head of adjacent rod member
It is arranged in an orderly manner on development mechanism, rope drive device order, which is fixed on, realizes that exhibition when mechanism is fully deployed is received on development mechanism
And locking.
Above-mentioned each two scissors unit is big by four by four stocks and two torsional spring hinge joints, one space of connection composition
Side shape, each two scissors joint form the small quadrangles in space by four quarter butts and two torsional spring hinge joint connections, and
Each space is big, and small quadrangle is spaced apart by the connection of scissors joint, is configured to the folding device for collapsing and deploying.
Above-mentioned fast lock mode is to use bayonet socket location locking mechanism, and during expansion, connecting rod drives and is connected to left pass
Locking bolt base motion on section, the cylindricality bayonet socket on fixed locking bolt is pushed into the guide groove of latch segment, while be placed in lock
Position limiting slide block is because the entrance of bayonet socket is jacked up, and after bayonet socket after, internally stage clip effect lower limit sliding block resets, and now blocks
Mouth, which is positioned, to be locked in guide groove, and the right side movement of left side position limiting slide block limitation bayonet socket, right side stage clip provides pressure to the left, limited
Fabrication mouth is that left side joint continues to move right, so as to realize the quick locking of locking bolt.Releasing process, it is by continuous stay cable band
Dynamic position limiting slide block lifts, the spacing disappearance in left side of bayonet socket so that bayonet socket comes out from guide groove.In the application of reality, it should first
The position for determining groove is first determined, mechanism can be locked to by this locking mechanism by predetermined exhibition open configuration.Locking unblock
Process is reliable, easy to operate.Stage clip in locking mechanism is the reset of cylindricality bayonet socket and position limiting slide block and dynamic as energy-storage travelling wave tube
Power source, while the coupling mechanism force of locking bolt positioning is provided.
During gathering, mechanism rod is collapsed into a branch of by connecting joint drive around joint axle center;During expansion, connecting rod is around joint
Axle center rotates, and is expanded to specified cylindrical type face, and realizes automatic locking.Opened and locked by unblock rope simultaneously, realize mechanism
Repeat to collapse expansion.
Described rope drive device, including expansion rope, collapse rope, and the joint of development mechanism, exhibition are arranged on by assembly pulley
Open pulley and be mainly distributed on unit mechanisms lateral articular, be distributed with the in-house non-scissors junctions of unit B ennett
Deploy assembly pulley, collapse rope and be sequentially connected with along unilateral joint.Collapse pulley to be distributed on each joint, collapse rope and opening up
It is distributed in opening mechanism according to Z-shaped.
The advantage of the invention is that:
(1) a kind of cylinder Deployable antenna of Bennett unit Combination Designs is based on, the work shape face of the mechanism can be fitted post
Face, and can be compact-folded high into a branch of unexpanded configuration, storage rate with whole rod members;
(2) using Planar Mechanisms unit B ennett mechanisms as unit mechanisms, the exhibition of mechanism is realized by certain combination
Gathering is opened, and is the face of cylinder in the fitting shape face of rounding state mechanism, ensures that mechanism has very strong rigidity property;
(3) the novel circular cylinder antenna of the design has single-degree-of-freedom, there is provided each unit mechanism can be achieved in a driving
Synchronous expansion.
Brief description of the drawings
Fig. 1 is the structural representation that cylinder surface antenna is received in the synchronous exhibition of the present invention;
Fig. 2 receives cylinder surface antenna Bennett cellular construction schematic diagrams for the synchronous exhibition of the present invention;
Fig. 3 receives cylinder surface antenna scissors cellular construction schematic diagram for the synchronous exhibition of the present invention;
Fig. 4 receives face of cylinder antenna element internal joint connection diagram for the synchronous exhibition of the present invention;
Fig. 5 receives cylinder surface antenna quick lock mechanism schematic diagram for the synchronous exhibition of the present invention;
Fig. 6 receives cylinder surface antenna quick lock mechanism detailed maps for the synchronous exhibition of the present invention;
Fig. 7 receives cylinder surface antenna for the synchronous exhibition of the present invention and collapses schematic diagram.
In figure:
1- development mechanism 2- quick lock mechanisms 3- expansion ropes
4- collapses rope
101- connecting rod 102- cradle head 103- hinges joint
104- scissors units
Quarter butt before stock 303- after stock 302- before 301-
Long bar joint after long bar joint 306- before quarter butt 305- after 304-
309- axle sleeve hinges in quarter butt joint after the 308- of quarter butt joint before 307-
310- synchronization hinge 311- pivot pins
The right stock 403- cradle heads of the left stock 402- of 401-
404- drives the left hinges of torsion spring 405- anticlockwises joint 406-
The right hinge 409- cradle head front contacts of 407- right rotations joint 408-
410- screw 411- rear tie points 412- pins
The left joint 503- locking bolt pedestals of 501- quick lock mechanisms 502-
The right joint 505- latch segments 506- position limiting slide blocks of 504-
Stage clip on the right side of stage clip 508- inside 507-
Embodiment
The present invention is described in further detail below in conjunction with accompanying drawing.
The present invention is that cylinder surface antenna, including development mechanism 1, fast lock machine are received in a kind of synchronous exhibition based on Bennett mechanisms
Structure 2, expansion rope 3, collapses rope 4, as shown in Figure 1.
Reference picture 2, development mechanism 1 are multiple unit mechanisms compositions, and each unit mechanisms are by connecting rod 101 and cradle head
102 connections, multiple unit mechanisms are linked in sequence to form the main frame of antenna, and expansion shape face is required cylindrical shape.Exhibition
Opening mechanism 1, including m big Bennett expansion units and m+1 small Bennett expansion units, these expansion units sequentially connect
Connect, form the skeleton of development mechanism, m >=2.Development mechanism has expansion, and the design is by four Ge great Bennett mechanisms and three
Ge little Bennett mechanisms form, and the incomplete small Bennett mechanisms in outside represent that mechanism unit can continue to expand, each
Big Bennett expansion unit includes four root long bars and two hinge joints 103, and each small Bennett expansion unit includes four
Quarter butt and two cradle heads, connected by one group of scissors unit 104 between large and small Bennett mechanisms.
Reference picture 3, each scissors unit include 302, preceding quarter butts 303 of stock after preceding stock 301, one, and one
Quarter butt 304 after individual, long bar joint 305 before one, long bar joint 306 after one, a preceding quarter butt joint 307, quarter butt after one
Joint 308, preceding stock 301 pass through preceding long bar joint 305, rear quarter butt joint 308 and axle sleeve hinge 309 respectively with rear quarter butt 304
Connection, and preceding stock 301 rotates with rear quarter butt 304 around axle sleeve hinge 309, rear stock 302 passes through rear length respectively with preceding quarter butt 303
Bar joint 306, preceding quarter butt joint 307 connect with synchronous hinge 310, in motion process synchronous hinge 310 by pivot pin 311 with
Axle sleeve hinge 309 is coaxial, synchronous rotary, and both have common slewing area.Two synchronous rotating shafts of hinge 310 are located at axle sleeve conjunction
309 rotating shaft both sides of page, the synchronous axial system of preceding quarter butt 303 and rear stock 302 can be realized.
As shown in figure 4, above-mentioned deployable cylinder surface antenna, two adjacent left stocks in big Bennett unit mechanisms
There are driving torsion spring 404, anticlockwise joint 405 and left hinge 406 at the rotating shaft of 401 cradle heads 403 being connected with right stock 402
Connection, right rotation joint 407 are connected with right hinge 408, and the joint drive torsion spring provides driving force for the expansion of antenna.
In above-mentioned deployable face of cylinder antenna element mechanism, cradle head front contact 409 is closed by screw 410 with rotating
The link of section 403, rear tie points 411 are connected with stock/quarter butt by pin 412.
Each two scissors unit forms the big quadrangles in space by four stocks and two torsional spring hinge joint connections,
Each two scissors joint forms the small quadrangles in space by four quarter butts and two torsional spring hinge joint connections, and each empty
Between it is big, small quadrangle is spaced apart by the connection of scissors joint, is configured to the folding device for collapsing and deploying.
Installation quick lock mechanism 501 is surveyed in big Bennett unit mechanisms shown in Fig. 5 in the cradle head of adjacent rod member, soon
Latch mechanism 501 is arranged on development mechanism in an orderly manner, and rope drive device order, which is fixed on development mechanism, realizes that mechanism is opened up completely
Exhibition when opening is received and locking.
Shown fast lock mode is to use bayonet socket location locking mechanism, and during expansion, connecting rod drives and is connected to left pass
Locking bolt pedestal 503 on section 502 moves, the latch segment cylindricality bayonet socket push-in on fixed locking bolt being connected on right joint 504
In 505 guide groove, while the position limiting slide block 506 being placed in latch segment 505 is jacked up due to the entrance of bayonet socket, treats that bayonet socket passes through
Afterwards, internally the effect lower limit of stage clip 507 sliding block 506 resets, and now bayonet socket, which is positioned, is locked in guide groove, left side position limiting slide block
The right side movement of 506 limitation bayonet sockets, right side stage clip 508 provide pressure to the left, and limitation bayonet socket is that left side joint continues to move right
It is dynamic, so as to realize the quick locking of locking bolt.Releasing process, it is to drive position limiting slide block to lift by continuous stay cable, the left side of bayonet socket
Spacing disappearance so that bayonet socket comes out from guide groove.In the application of reality, it should determine the position for determining groove first, lead to
Mechanism can be locked to predetermined exhibition open configuration by crossing this locking mechanism.It is reliable to lock releasing process, it is easy to operate.Locking mechanism
In stage clip as energy-storage travelling wave tube, be reset and the power source of cylindricality bayonet socket and position limiting slide block, while provide the lock of locking bolt positioning
Clamp force.
Described rope drive device, including expansion rope, collapse rope, and the joint of development mechanism, exhibition are arranged on by assembly pulley
Open pulley and be mainly distributed on unit mechanisms lateral articular, be distributed with the in-house non-scissors junctions of unit B ennett
Deploy assembly pulley, collapse rope and be sequentially connected with along unilateral joint.Collapse pulley to be distributed on each joint, collapse rope and opening up
It is distributed in opening mechanism according to Z-shaped.
Claims (5)
1. cylinder surface antenna is received in a kind of synchronous exhibition based on Bennett mechanisms, it is characterised in that including development mechanism, fast lock machine
Structure and rope drive device:
Described development mechanism, deployed using space single-degree-of-freedom, realize the expansion and gathering of antenna;
Described quick lock mechanism includes locking bolt, and latch segment, stage clip, position limiting slide block, locking bolt and latch segment are separately mounted to unwinder
On structure, position limiting slide block, stage clip is responsible for the locking and positioning of locking bolt together with latch segment assembling;
Described rope drive device, including expansion rope, collapse rope, the joint of development mechanism are arranged on by assembly pulley.
2. cylinder surface antenna is received in a kind of synchronous exhibition based on Bennett mechanisms according to claim 1, it is characterised in that:
Described development mechanism, including m big Bennett expansion units and m+1 small Bennett expansion units, deploy unit
It is sequentially connected with, forms the skeleton of development mechanism, m >=2;
Each big Bennett expansion unit includes four root long bars and two torsional spring hinge joints, wherein, pass through between two stocks
Torsional spring hinge joint connects, and is connected between two other stock also by torsional spring hinge joint, each small Bennett expansion unit
Including four quarter butts and two cradle heads, wherein, connected between two quarter butts by cradle head, between two other quarter butt
Connected also by cradle head, two stocks lead to two quarter butts in small Bennett development mechanisms in big Bennett expansion unit
Cross the connection of scissors unit;
Long bar joint before each scissors unit includes one, long bar joint after one, a preceding quarter butt joint, quarter butt closes after one
Section, if two stocks are preceding stock and rear stock in big Bennett expansion units, two quarter butts in small Bennett development mechanisms
For preceding quarter butt and rear quarter butt, preceding stock is connected by preceding long bar joint, rear quarter butt joint with axle sleeve hinge respectively with rear quarter butt, and
Preceding stock can rotate with rear quarter butt around axle sleeve hinge, and rear stock passes through rear long bar joint, preceding quarter butt joint respectively with preceding quarter butt
Connected with synchronous hinge, synchronous hinge is by the way that pivot pin and axle sleeve hinge be coaxial, synchronous rotary in motion process, and both are with jointly
Slewing area;
Each two scissors joint is connected by four stocks and two torsional spring hinge joints and forms the big quadrangles in space, and every two
Individual scissors joint forms the small quadrangles in space, and each space by four quarter butts and two torsional spring hinge joint connections
Large and small quadrangle is spaced apart by the connection of scissors joint, is configured to the folding device for collapsing and deploying.
3. cylinder surface antenna is received in a kind of synchronous exhibition based on Bennett mechanisms according to claim 2, it is characterised in that:
There is driving torsion spring at the rotating shaft of the cradle head of two adjacent stock connections in described big Bennett unit mechanisms, it is left
Rotary joint is connected with left hinge, and right rotation joint is connected with right hinge, and the torsion spring provides driving force for the expansion of antenna.
4. cylinder surface antenna is received in a kind of synchronous exhibition based on Bennett mechanisms according to claim 1, it is characterised in that:
Described quick lock mechanism, fast lock mode is to use bayonet socket location locking mechanism, during expansion, in bennett units
One group of adjacent stock drive and moved with rod member connecting joint, locking bolt pedestal and lock are installed respectively on the joint of two cradle heads
Tight block, by locking bolt pedestal cylindricality bayonet socket be pushed into latch segment guide groove in, while the position limiting slide block being placed in latch segment due to
The entrance of cylindricality bayonet socket is jacked up, and after bayonet socket after, internally stage clip effect lower limit sliding block is resetted, and now bayonet socket is positioned
It is locked in guide groove, the right side movement of left side position limiting slide block limitation bayonet socket, right side stage clip provides pressure to the left, and limitation bayonet socket is
Left side joint continues to move right, so as to realize the quick locking of locking bolt;
In releasing process, rope is collapsed by the circular hole on position limiting slide block, is lifted by dropping the dynamic position limiting slide block of gathering rope band, bayonet socket
The spacing disappearance in left side so that bayonet socket from guide groove out.
5. cylinder surface antenna is received in a kind of synchronous exhibition based on Bennett mechanisms according to claim 1, it is characterised in that
In described rope drive device, expansion assembly pulley is distributed with the in-house non-scissors junctions of unit B ennett, is collapsed
Rope is sequentially connected with along unilateral joint, is collapsed pulley and is distributed on each joint, collapses rope in development mechanism according to " Z "
Shape is distributed.
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CN201710755407.9A CN107579332B (en) | 2017-08-29 | 2017-08-29 | Synchronous expansion and contraction cylindrical surface antenna based on Bennett mechanism |
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CN107579332B CN107579332B (en) | 2020-09-22 |
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Cited By (9)
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CN108336470A (en) * | 2018-02-28 | 2018-07-27 | 哈尔滨工业大学 | The basic unfolding mechanism opened up unit and be made of the unit based on Bennett mechanisms |
CN108412987A (en) * | 2018-03-14 | 2018-08-17 | 北京航空航天大学 | A kind of reversible pulley gear for driving development agency of restricting |
CN108535035A (en) * | 2018-03-20 | 2018-09-14 | 北京航空航天大学 | A kind of zero-g hanging test device for cylinder unwrapping mechanism |
CN109131945A (en) * | 2018-09-13 | 2019-01-04 | 南京理工大学 | A kind of deployable cell array of cube star and its method of deploying of multi-folded |
CN109494441A (en) * | 2018-10-29 | 2019-03-19 | 燕山大学 | Parallel rope drives antenna seat mechanism |
CN110649363A (en) * | 2019-10-12 | 2020-01-03 | 西安电子科技大学 | Deployable umbrella-shaped antenna back frame based on bricard mechanism |
CN111029712A (en) * | 2019-12-20 | 2020-04-17 | 中国电波传播研究所(中国电子科技集团公司第二十二研究所) | Automatic rotary log periodic antenna of exhibition receipts |
CN111934098A (en) * | 2020-09-05 | 2020-11-13 | 西安电子科技大学 | Annular deployable antenna truss based on bennett mechanism |
CN113224842A (en) * | 2021-05-14 | 2021-08-06 | 山东立尔智能科技有限公司 | Emergent automatic control terminal of electric power |
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Publication number | Priority date | Publication date | Assignee | Title |
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CN108336470A (en) * | 2018-02-28 | 2018-07-27 | 哈尔滨工业大学 | The basic unfolding mechanism opened up unit and be made of the unit based on Bennett mechanisms |
CN108412987A (en) * | 2018-03-14 | 2018-08-17 | 北京航空航天大学 | A kind of reversible pulley gear for driving development agency of restricting |
CN108535035A (en) * | 2018-03-20 | 2018-09-14 | 北京航空航天大学 | A kind of zero-g hanging test device for cylinder unwrapping mechanism |
CN109131945A (en) * | 2018-09-13 | 2019-01-04 | 南京理工大学 | A kind of deployable cell array of cube star and its method of deploying of multi-folded |
CN109131945B (en) * | 2018-09-13 | 2023-12-26 | 南京理工大学 | Multi-fold cube star expandable battery array and expansion method thereof |
CN109494441A (en) * | 2018-10-29 | 2019-03-19 | 燕山大学 | Parallel rope drives antenna seat mechanism |
CN110649363A (en) * | 2019-10-12 | 2020-01-03 | 西安电子科技大学 | Deployable umbrella-shaped antenna back frame based on bricard mechanism |
CN111029712A (en) * | 2019-12-20 | 2020-04-17 | 中国电波传播研究所(中国电子科技集团公司第二十二研究所) | Automatic rotary log periodic antenna of exhibition receipts |
CN111934098A (en) * | 2020-09-05 | 2020-11-13 | 西安电子科技大学 | Annular deployable antenna truss based on bennett mechanism |
CN113224842A (en) * | 2021-05-14 | 2021-08-06 | 山东立尔智能科技有限公司 | Emergent automatic control terminal of electric power |
CN113224842B (en) * | 2021-05-14 | 2023-01-03 | 山东立尔智能科技有限公司 | Emergent automatic control terminal of electric power |
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