CN107933963A - The variable topological folding and unfolding mechanism that a kind of crank block connects for folding exhibition unit flexible hinge - Google Patents
The variable topological folding and unfolding mechanism that a kind of crank block connects for folding exhibition unit flexible hinge Download PDFInfo
- Publication number
- CN107933963A CN107933963A CN201711087636.4A CN201711087636A CN107933963A CN 107933963 A CN107933963 A CN 107933963A CN 201711087636 A CN201711087636 A CN 201711087636A CN 107933963 A CN107933963 A CN 107933963A
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- hinge
- folding
- sliding block
- crank
- follower lever
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- 230000033001 locomotion Effects 0.000 claims description 7
- 238000010586 diagram Methods 0.000 description 11
- 238000000034 method Methods 0.000 description 8
- 230000002349 favourable effect Effects 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64G—COSMONAUTICS; VEHICLES OR EQUIPMENT THEREFOR
- B64G1/00—Cosmonautic vehicles
- B64G1/22—Parts of, or equipment specially adapted for fitting in or to, cosmonautic vehicles
- B64G1/222—Parts of, or equipment specially adapted for fitting in or to, cosmonautic vehicles for deploying structures between a stowed and deployed state
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- Engineering & Computer Science (AREA)
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- Aviation & Aerospace Engineering (AREA)
- Tents Or Canopies (AREA)
Abstract
The variable topological folding and unfolding mechanism that a kind of crank block connects for folding exhibition unit flexible hinge,On the rotation engine base of the folding and unfolding mechanism,Down four hinge seats are corresponded to respectively two layers,Steady arm one end is connected by hinge with hinge seat,Both sides are connected through the hinge slider-crank mechanism,Drive rod one end is connected by hinge with cradling piece,The other end is connected by hinge with follower lever,Follower lever one end is connected by hinge with drive rod,The other end is connected by hinge with the second sliding block,Follower lever one end of last group of slider-crank mechanism is connected by hinge with drive rod,The other end is connected by hinge with the first sliding block,First sliding block is connected with the follower lever of last group of slider-crank mechanism,Second sliding block one end is connected by hinge with follower lever,The other end is connected by hinge with the drive rod of latter slider-crank mechanism,Flexible hinge both ends, which connect two, can open up module.The present invention is suitable for the aerospace engineering such as space folding swing arm, heavy caliber folding exhibition antenna, space station basic skeleton.
Description
Technical field
The present invention relates to a kind of a kind of change of folding and unfolding mechanism, particularly crank block for folding exhibition unit flexible hinge connection to open up
Flutter folding and unfolding mechanism.
Background technology
With the development of aeronautical and space technology, domestic and international many scholars carry out research and discussion, Harbin to folding and unfolding mechanism
Polytechnical university professor Deng Zongquan is divided into four classes by expansion to folding and unfolding mechanism with tucked way：Expansion side is deformed by elastic properties of materials
Formula, frame of hinged frame formula expansion mode, solid face expansion mode, inflating expanded mode.This patent is mainly for frame of hinged frame formula exhibition
Evolution formula carries out innovation and creation.
Chinese patent 201410538119.4 discloses a kind of spherical antenna supporting mechanism, which answers
Miscellaneous, folding exhibition process is complicated, and when folding and unfolding mechanism enters space orbit, mechanism deploying to working status is more difficult；Chinese patent
201210310876.7 disclose a kind of equilateral triangle planar array development agency, which only can be in flat-folded, folding ratio
It is small；Chinese patent 201410055564.5 discloses a kind of space development agency, and the unit of opening up of the patent is 10 bar, 10 slave
Structure, mechanism redundant degree of freedom is larger, and stability is poor.Now there is an urgent need to it is a kind of it is simple in structure, folding process is simple, can be
Space folding, fold than big, high stability, the folding and unfolding mechanism of high reliability.
At present, there is not yet one kind is simple in structure, folding process is simple, can be in space folding, folding than big, high stable
Property, high reliability folding and unfolding mechanism invention design.
The content of the invention
A kind of variable topological folding and unfolding mechanism the object of the present invention is to provide crank block for folding exhibition unit flexible hinge connection,
It has simple in structure, folding process it is simple, can space folding, fold than greatly, it is high stability, high reliability, high rigidity, high
The features such as intensity, high position precision.
The technical scheme is that：A kind of crank block rolls over exhibition machine for the variable topological of folding exhibition unit flexible hinge connection
Structure, including rotation engine base, cradling piece, drive rod, follower lever, the first sliding block, the second sliding block and flexible hinge, concrete structure and company
It is as follows to connect relation：
The rotation engine base be octagon engine base, point upper and lower two layers, upper and lower two layers corresponding four hinge seats respectively, hinge
Seat be nested in rotation engine base in, hinge seat can rotation engine base take up an official post meaning orientation rotate；Described cradling piece one end passes through hinge
It is connected with hinge seat, both sides are connected through the hinge slider-crank mechanism；Described drive rod one end is connected by hinge with cradling piece,
The other end is connected by hinge with follower lever；Described follower lever one end is connected by hinge with drive rod, and the other end passes through hinge
It is connected with the second sliding block, follower lever one end of last group of slider-crank mechanism is connected by hinge with drive rod, and the other end leads to
Hinge is crossed to be connected with the first sliding block；First sliding block is connected with the follower lever of last group of slider-crank mechanism；Described second
Sliding block one end is connected by hinge with follower lever, and the other end is connected by hinge with the drive rod of latter slider-crank mechanism；Institute
Module can be opened up by stating flexible hinge both ends connection two, and two can open up module and can arbitrarily be revolved by the intermediate flexible body of flexible hinge
Turn.
The hinge seat is curved hinge seat, and the arc panel of hinge seat is nested in the inner side of rotation engine base, and hinge seat can
Under the constraint of arc panel, 360 ° of rotations are carried out centered on rotating engine base.
The slider-crank mechanism is multigroup, and the identical components of difference group scale to obtain by certain proportion.
The slider-crank mechanism includes drive rod, follower lever and sliding block, and described drive rod one end passes through hinge and stent
Bar connects, and the other end is connected by hinge with follower lever, and described follower lever one end is connected by hinge with drive rod, and the other end leads to
Cross hinge to be connected with sliding block, the sliding block is nested on cradling piece.
The sliding block includes the first sliding block and the second sliding block, and sliding block is hollow member, is nested on cradling piece, passes through shifting
Dynamic pair is connected with cradling piece.
The module of opening up includes rotation engine base, cradling piece, drive rod, follower lever, the first sliding block and the second sliding block.
The flexible hinge is three-degree of freedom flexible hinge, can be along any direction flexural deformation, and while not stressing can be extensive
Multiple original form.
The angle of slide block movement direction and follower lever is more than 90 ° in the slider-crank mechanism, less than 180 °.
The present invention's has the prominent advantages that：
1st, component is formed by connecting rod, light weight, simple in structure, rod piece handling ease, low manufacture cost, is promoted and applied
It is good；All kinematic pairs are revolute pair, can be driven by motor, regulation motor speed, increase folding and unfolding mechanism stability and can
By property；And mechanism is first flat-folded, then in space folding, folding process is simple, folds than big.
2nd, can open up module by rotating the movement of engine base from eight and be changed into four can open up module, formed and different open up mould
Block, to adapt to different job categories, meets the demand of space flight work complicated and changeable.
3rd, for development agency in completely folded state, gathering is small, is transported easy to the carrying of Launch Vehicle, and have
Higher rigidity and intensity, can bear the oscillating load in emission process；Folding and unfolding mechanism folding process is simple, into space
After track, predetermined working status can be launched into easily.
4th, the application flexibility hinge between it can open up module, when that can open up module and shrink, mutual no recoil strength and rubs
Wipe, under lasting folded state, abrasion will not be produced.
Brief description of the drawings
Fig. 1 is the structure for the variable topological folding and unfolding mechanism that crank block of the present invention is folding exhibition unit flexible hinge connection
Schematic diagram.
Fig. 2 is opening up for the variable topological folding and unfolding mechanism that crank block of the present invention is folding exhibition unit flexible hinge connection
The top view of module its fully unfolded position.
Fig. 3 is opening up for the variable topological folding and unfolding mechanism that crank block of the present invention is folding exhibition unit flexible hinge connection
The structure diagram of module its fully unfolded position.
Fig. 4 is opening up for the variable topological folding and unfolding mechanism that crank block of the present invention is folding exhibition unit flexible hinge connection
The front view of module its fully unfolded position.
Fig. 5 is opening up for the variable topological folding and unfolding mechanism that crank block of the present invention is folding exhibition unit flexible hinge connection
The structure diagram of half unfolded state of module.
Fig. 6 is opening up for the variable topological folding and unfolding mechanism that crank block of the present invention is folding exhibition unit flexible hinge connection
The structure diagram of module completely folded state.
Fig. 7 is that the change for the variable topological folding and unfolding mechanism that crank block of the present invention is folding exhibition unit flexible hinge connection is opened up
The top view of its fully unfolded position in the case of flutterring.
Fig. 8 is that the change for the variable topological folding and unfolding mechanism that crank block of the present invention is folding exhibition unit flexible hinge connection is opened up
The structure diagram of its fully unfolded position in the case of flutterring.
Fig. 9 is the rotation for the variable topological folding and unfolding mechanism that crank block of the present invention is folding exhibition unit flexible hinge connection
The front view of engine base.
Figure 10 is the rotation for the variable topological folding and unfolding mechanism that crank block of the present invention is folding exhibition unit flexible hinge connection
The top view of favourable turn seat.
Figure 11 is the rotation for the variable topological folding and unfolding mechanism that crank block of the present invention is folding exhibition unit flexible hinge connection
The structure diagram of favourable turn seat.
Figure 12 be the variable topological folding and unfolding mechanism that crank block of the present invention is folding exhibition unit flexible hinge connection can
Open up the structure diagram of unit its fully unfolded position.
Figure 13 be the variable topological folding and unfolding mechanism that crank block of the present invention is folding exhibition unit flexible hinge connection can
Open up the structure diagram of unit completely folded state.
Figure 14 be the variable topological folding and unfolding mechanism that crank block of the present invention is folding exhibition unit flexible hinge connection can
Open up the front view of unit its fully unfolded position.
Figure 15 is the of the variable topological folding and unfolding mechanism that crank block of the present invention is folding exhibition unit flexible hinge connection
The structure diagram of one sliding block.
Figure 16 is the of the variable topological folding and unfolding mechanism that crank block of the present invention is folding exhibition unit flexible hinge connection
The structure diagram of two sliding blocks.
Figure 17 is the soft of the variable topological folding and unfolding mechanism that crank block of the present invention is folding exhibition unit flexible hinge connection
The structure diagram of property hinge.
In figure mark for：1. rotate engine base；2. cradling piece；3. drive rod；4. follower lever；5. the first sliding block；6. second slides
Block；7. flexible hinge.
Embodiment
Technical scheme is further described with reference to the accompanying drawings and examples.
As shown in Fig. 1 to Figure 17, crank block of the present invention is rolled over for the variable topological of folding exhibition unit flexible hinge connection
Mechanism, including rotation engine base 1, cradling piece 2, drive rod 3, follower lever 4, the first sliding block 5, the second sliding block 6 and flexible hinge 7 are opened up,
Concrete structure and connection relation are as follows：
The rotation engine base 1 be octagon engine base, point upper and lower two layers of design, upper and lower two layers corresponding four hinges respectively
Seat, hinge seat are nested in rotation engine base 1, and hinge seat arbitrary orientation can rotate on rotation engine base 1；The cradling piece 2 one
End is connected by hinge with hinge seat, and both sides are connected through the hinge slider-crank mechanism；Described 3 one end of drive rod by hinge with
Cradling piece 2 connects, and the other end is connected by hinge with follower lever 4；Described 4 one end of follower lever is connected by hinge with drive rod 3,
The other end is connected by hinge with the second sliding block 6, and 4 one end of follower lever of last group of slider-crank mechanism passes through hinge and driving
Bar 3 connects, and the other end is connected by hinge with the first sliding block 5；First sliding block 5 and last group of slider-crank mechanism from
Lever 4 connects；Described second sliding block, 6 one end is connected by hinge with follower lever 4, and the other end passes through hinge and latter crank block
The drive rod 3 of mechanism connects；7 both ends of flexible hinge, which connect two, can open up module, and two can open up module and can pass through flexibility
The intermediate flexible body of hinge 7 arbitrarily rotates.
The hinge seat is curved hinge seat, and the arc panel of hinge seat is nested in the inner side of rotation engine base 1, and hinge seat can
Under the constraint of arc panel, 360 ° of rotations are carried out centered on rotating engine base 1.
The slider-crank mechanism is multigroup, and the identical components of difference group can scale to obtain by certainty ratio.
The slider-crank mechanism includes drive rod 3, follower lever 4 and sliding block, and described 3 one end of drive rod passes through hinge and branch
Hack lever 2 connects, and the other end is connected by hinge with follower lever 4, and described 4 one end of follower lever is connected by hinge with drive rod 3, separately
One end is connected by hinge with sliding block, and the sliding block is nested on cradling piece 2.
It is hollow member that the sliding block, which includes the first sliding block 5 and the second sliding block 6, sliding block, is nested on cradling piece 2, is led to
Prismatic pair is crossed to be connected with cradling piece 2.
The module of opening up includes rotation engine base 1, cradling piece 2, drive rod 3, follower lever 4, the first sliding block 5 and the second sliding block
6。
The flexible hinge 7 is three-degree of freedom flexible hinge, can be along any direction flexural deformation, and while not stressing can be extensive
Multiple original form.
Slide block movement direction and the angle of follower lever 4 are more than 90 ° in the slider-crank mechanism, less than 180 °, prevent song
When handle slide block mechanism moves, sliding block is moved out along cradling piece.
Operation principle and process：
As shown in Fig. 2, Fig. 3 and Fig. 5, folding and unfolding mechanism is by its fully unfolded position to half unfolded state, motor driving drive rod 3
Make its to 2 direction of cradling piece rotate, drive rod 3 drive 4 inside lateral movement of follower lever, follower lever 4 with movable slider along support 2 to
Medial movement, sliding block drives the drive rod 3 of later group slider-crank mechanism to be moved to 2 direction of cradling piece, with this motion mode one
Directly go on, and then shrink slider-crank mechanism.
As shown in Figure 5 and Figure 6, folding and unfolding mechanism is by half unfolded state to completely folded state, and motor driven support bar 2 is to rotation
Favourable turn seat 1 moves, and support 2 can be achieved to fold completely when folding 90 °.
As shown in Fig. 2, Fig. 3, Fig. 7 and Fig. 8, folding and unfolding mechanism realizes variable topological situation, and 1 lower floor of rotation engine base is fixed,
Upper strata rotates, and drives hinge seat, and then drives cradling piece 2 to rotate, and is rotated by 90 ° and eight cradling pieces can be achieved
2 are changed into four cradling pieces 2.
Claims (8)
1. a kind of crank block is the variable topological folding and unfolding mechanism of folding exhibition unit flexible hinge connection, including rotation engine base, cradling piece,
Drive rod, follower lever, the first sliding block, the second sliding block and flexible hinge, it is characterised in that concrete structure and connection relation are as follows：
The rotation engine base is octagon engine base, is divided upper and lower two layers, upper and lower two layers corresponding four hinge seats, hinge seat are embedding respectively
Be sleeved on rotation engine base in, hinge seat can rotation engine base take up an official post meaning orientation rotate；Described cradling piece one end passes through hinge and hinge
Chain seat connects, and both sides are connected through the hinge slider-crank mechanism；Described drive rod one end is connected by hinge with cradling piece, another
End is connected by hinge with follower lever；Described follower lever one end is connected by hinge with drive rod, and the other end passes through hinge and
Two sliding blocks connect, and follower lever one end of last group of slider-crank mechanism is connected by hinge with drive rod, and the other end passes through hinge
Chain is connected with the first sliding block；First sliding block is connected with the follower lever of last group of slider-crank mechanism；Second sliding block
One end is connected by hinge with follower lever, and the other end is connected by hinge with the drive rod of latter slider-crank mechanism；It is described soft
Property hinge both ends connect two can open up module, two can open up module and can arbitrarily be rotated by the intermediate flexible body of flexible hinge.
2. crank block according to claim 1 is the variable topological folding and unfolding mechanism of folding exhibition unit flexible hinge connection, it is special
Sign is, the hinge seat is curved hinge seat, and the arc panel of hinge seat is nested in the inner side of rotation engine base, and hinge seat can be
Under the constraint of arc panel, 360 ° of rotations are carried out centered on rotating engine base.
3. crank block according to claim 1 is the folding and unfolding mechanism that can open up the connection of unit rigid hinge, it is characterised in that
The slider-crank mechanism is multigroup, and the identical components of difference group scale to obtain by certain proportion.
4. crank block according to claim 1 is the variable topological folding and unfolding mechanism of folding exhibition unit flexible hinge connection, it is special
Sign is that the slider-crank mechanism includes drive rod, follower lever and sliding block, and described drive rod one end passes through hinge and cradling piece
Connection, the other end are connected by hinge with follower lever, and described follower lever one end is connected by hinge with drive rod, and the other end passes through
Hinge is connected with sliding block, and the sliding block is nested on cradling piece.
5. a kind of crank block according to claim 1 is the variable topological folding and unfolding mechanism of folding exhibition unit flexible hinge connection,
It is characterized in that, the sliding block includes the first sliding block and the second sliding block, sliding block is hollow member, is nested on cradling piece, is led to
Prismatic pair is crossed to be connected with cradling piece.
6. crank block according to claim 1 is the variable topological folding and unfolding mechanism of folding exhibition unit flexible hinge connection, it is special
Sign is that the module of opening up includes rotation engine base, cradling piece, drive rod, follower lever, the first sliding block and the second sliding block.
7. crank block according to claim 1 is the folding and unfolding mechanism that can open up the connection of unit rigid hinge, it is characterised in that
The flexible hinge is three-degree of freedom flexible hinge, can be along any direction flexural deformation, and while not stressing can recover original shape
Shape.
8. crank block according to claim 1 is the folding and unfolding mechanism that can open up the connection of unit rigid hinge, it is characterised in that
The angle of slide block movement direction and follower lever is more than 90 ° in the slider-crank mechanism, less than 180 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711087636.4A CN107933963A (en) | 2017-11-07 | 2017-11-07 | The variable topological folding and unfolding mechanism that a kind of crank block connects for folding exhibition unit flexible hinge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711087636.4A CN107933963A (en) | 2017-11-07 | 2017-11-07 | The variable topological folding and unfolding mechanism that a kind of crank block connects for folding exhibition unit flexible hinge |
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| Publication Number | Publication Date |
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| CN107933963A true CN107933963A (en) | 2018-04-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711087636.4A Pending CN107933963A (en) | 2017-11-07 | 2017-11-07 | The variable topological folding and unfolding mechanism that a kind of crank block connects for folding exhibition unit flexible hinge |
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| CN (1) | CN107933963A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109969430A (en) * | 2019-04-04 | 2019-07-05 | 北京航空航天大学 | A kind of hinge implementation method of Flasher development agency |
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2017
- 2017-11-07 CN CN201711087636.4A patent/CN107933963A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0277398A (en) * | 1988-09-13 | 1990-03-16 | Mitsubishi Electric Corp | Expansion truss structure |
| CN104385262A (en) * | 2014-10-24 | 2015-03-04 | 佛山市禾才科技服务有限公司 | Quadrilateral composite mechanical arm driving mechanism |
| CN205366105U (en) * | 2015-11-19 | 2016-07-06 | 浙江理工大学 | Centralized variable angle expandes locking mechanical system |
| CN205852782U (en) * | 2016-06-27 | 2017-01-04 | 天津大学 | A kind of telescopic six prism frame structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109969430A (en) * | 2019-04-04 | 2019-07-05 | 北京航空航天大学 | A kind of hinge implementation method of Flasher development agency |
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