CN107902108A - The space folding and unfolding mechanism that a kind of crank block connects for folding exhibition unit rigid hinge - Google Patents
The space folding and unfolding mechanism that a kind of crank block connects for folding exhibition unit rigid hinge Download PDFInfo
- Publication number
- CN107902108A CN107902108A CN201711082952.2A CN201711082952A CN107902108A CN 107902108 A CN107902108 A CN 107902108A CN 201711082952 A CN201711082952 A CN 201711082952A CN 107902108 A CN107902108 A CN 107902108A
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- hinge
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- folding
- sliding block
- slider
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- 238000000034 method Methods 0.000 abstract description 7
- 238000010586 diagram Methods 0.000 description 9
- 238000011161 development Methods 0.000 description 3
- 238000013461 design Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64G—COSMONAUTICS; VEHICLES OR EQUIPMENT THEREFOR
- B64G1/00—Cosmonautic vehicles
- B64G1/22—Parts of, or equipment specially adapted for fitting in or to, cosmonautic vehicles
- B64G1/222—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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Abstract
The space folding and unfolding mechanism that a kind of crank block connects for folding exhibition unit rigid hinge, the engine base of the present invention is connected by hinge with that can open up unit, unit, which can be opened up, includes cradling piece and slider-crank mechanism, cradling piece one end is connected by hinge with engine base, both sides are connected by hinge with slider-crank mechanism, slider-crank mechanism includes crank, connecting rod and sliding block, crank one end is connected by hinge with cradling piece, the other end is connected by hinge with connecting rod, connecting rod one end is connected by hinge with crank, the other end is connected by hinge with sliding block, sliding block one end is connected by hinge with connecting rod, the used hinge of the other end is connected with the crank of latter slider-crank mechanism；Rigid hinge, which connects two, can open up module.The present invention driving motor it is few, folding and unfolding mechanism light weight, easy to be transported on Launch Vehicle, and roll over exhibition process it is simple, can in space interior folding, fold than it is big, rigidity is big, stability is good, reliability is high, there is preferable practicality.
Description
Technical field
It is folding exhibition unit rigid hinge connection the present invention relates to a kind of space folding and unfolding mechanism, particularly a kind of crank block
Space folding and unfolding mechanism.
Background technology
With the development of aerospace industry, spacecraft structure is increasingly intended to maximize.It is small spacecraft in launching phase
Envelope volume, space folding and unfolding mechanism need fold up, it is reinflated after spacecraft injection.Space folding and unfolding mechanism is answered
With the function of being greatly expanded spacecraft, have in space station, communications satellite platform, earth observation, celestial body detecting etc.
Important application prospect, has become one of research hotspot of space industry.
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 201410055607.X discloses a kind of annular truss formula large space development agency, which passes through rope
Or spring driving, mechanical stability are relatively low.Now there is an urgent need to it is a kind of it is simple in structure, folding exhibition process is simple, can space interior folding,
Fold than space folding and unfolding mechanism big, that rigidity is big, stability is good, reliability is high.
At present, there is not yet it is a kind of it is simple in structure, folding exhibition process is simple, can in space interior folding, fold than big, rigidity
Greatly, the space folding and unfolding mechanism invention design that stability is good, reliability is high.
The content of the invention
A kind of space folding and unfolding mechanism the object of the present invention is to provide crank block for folding exhibition unit rigid hinge connection, it
Have concurrently at the same time simple in structure, folding exhibition process is simple, can space interior folding, fold than it is big, rigidity is big, stability is good, reliability
The features such as high.
The technical scheme is that：The space folding and unfolding mechanism that a kind of crank block connects for folding exhibition unit rigid hinge,
Including that can open up module and rigid hinge, concrete structure and connection relation are as follows：
The module of opening up includes engine base and can open up unit, and engine base is connected by hinge with that can open up unit, can open up unit bag
Cradling piece and slider-crank mechanism are included, cradling piece one end is connected by hinge with engine base, and both sides pass through hinge and crank block machine
Structure connects, and slider-crank mechanism includes crank, connecting rod and sliding block, and crank one end is connected by hinge with cradling piece, and the other end leads to
Cross hinge to be connected with connecting rod, connecting rod one end is connected by hinge with crank, and the other end is connected by hinge with sliding block, sliding block one end
It is connected by hinge with connecting rod, the used hinge of the other end is connected with the crank of latter slider-crank mechanism, and the rigid hinge connects
Module can be opened up by connecing two, and two can open up module and can be relatively rotated by the central rotational pair of rigid hinge.
The engine base is polygon engine base, there is hinge seat per one side, and polygon engine base can be by hinge seat with that can open up list
First hinge connection.
The slider-crank mechanism is multigroup, and the identical components of difference group can scale to obtain by certainty ratio, crank block
The group number of mechanism is related with the length of cradling piece, and the group number of the more long then slider-crank mechanism of length of cradling piece is more.
The sliding block is the first sliding block and the second sliding block, and the only sliding block of last group of slider-crank mechanism is slided for first
Block, remaining sliding block are the second sliding block, and first sliding block is connected by hinge with the connecting rod of last group of slider-crank mechanism,
Described second sliding block one end is connected by hinge with the connecting rod of place slider-crank mechanism, and the other end passes through hinge and latter suite
The crank connection of handle slide block mechanism.
The angle of slide block movement direction and connecting rod is more than 90 ° in the slider-crank mechanism, less than 180 °.
The present invention's has the prominent advantages that：
1st, it is simple in structure, expansion process it is simple, the connection between rod piece is connected by revolute pair, useable electric moter driving,
Speed control can be carried out to folding and unfolding mechanism, increase its stability and reliability.
2nd, only need that motor is installed at the drive rod of first group of slider-crank mechanism, you can drive this crank block machine
The movement of structure group, driving motor is few, folding and unfolding mechanism light weight, easy to be transported on Launch Vehicle.
3rd, by twice-folded, first pass through slider-crank mechanism fold realize it is flat-folded, passing through support fold it is real
Existing space folding, folds than big.
4th, it can open up and rigid hinge is used between module, in terms of simple in structure, processing and manufacturing, be easily installed.
Brief description of the drawings
Fig. 1 is that the structure for the space folding and unfolding mechanism that crank block of the present invention is folding exhibition unit rigid hinge connection is shown
It is intended to.
Fig. 2 is that space folding and unfolding mechanism that crank block of the present invention is folding exhibition unit rigid hinge connection opens up mould
The top view of block its fully unfolded position.
Fig. 3 is that space folding and unfolding mechanism that crank block of the present invention is folding exhibition unit rigid hinge connection opens up mould
The structure diagram of block its fully unfolded position.
Fig. 4 is that space folding and unfolding mechanism that crank block of the present invention is folding exhibition unit rigid hinge connection opens up mould
The top view of half unfolded state of block.
Fig. 5 is that space folding and unfolding mechanism that crank block of the present invention is folding exhibition unit rigid hinge connection opens up mould
The structure diagram of half unfolded state of block.
Fig. 6 is that space folding and unfolding mechanism that crank block of the present invention is folding exhibition unit rigid hinge connection opens up mould
The structure diagram of block completely folded state.
Fig. 7 is the engine base for the space folding and unfolding mechanism that crank block of the present invention is folding exhibition unit rigid hinge connection
Front view.
Fig. 8 is the engine base for the space folding and unfolding mechanism that crank block of the present invention is folding exhibition unit rigid hinge connection
Top view.
Fig. 9 is the engine base for the space folding and unfolding mechanism that crank block of the present invention is folding exhibition unit rigid hinge connection
Structure diagram.
Figure 10 is opening up for the space folding and unfolding mechanism that crank block of the present invention is folding exhibition unit rigid hinge connection
The structure diagram of its fully unfolded position of unit.
Figure 11 is opening up for the space folding and unfolding mechanism that crank block of the present invention is folding exhibition unit rigid hinge connection
The structure diagram of the completely folded state of unit.
Figure 12 is opening up for the space folding and unfolding mechanism that crank block of the present invention is folding exhibition unit rigid hinge connection
The front view of its fully unfolded position of unit.
Figure 13 is the first of the space folding and unfolding mechanism that crank block of the present invention is folding exhibition unit rigid hinge connection
The structure diagram of sliding block.
Figure 14 is the second of the space folding and unfolding mechanism that crank block of the present invention is folding exhibition unit rigid hinge connection
The structure diagram of sliding block.
Figure 15 is the rigidity for the space folding and unfolding mechanism that crank block of the present invention is folding exhibition unit rigid hinge connection
The structure diagram of hinge.
In figure mark for：1. engine base；2. cradling piece；3. crank；4. connecting rod；5. the first sliding block；6. the second sliding block；7. rigidity
Hinge.
Embodiment
Technical scheme is further described with reference to the accompanying drawings and examples.
As shown in Fig. 1 to Figure 15, crank block of the present invention rolls over exhibition for the space of folding exhibition unit rigid hinge connection
Mechanism, including module and rigid hinge 7 can be opened up, concrete structure and connection relation are as follows,
The module of opening up includes engine base 1 and can open up unit, and the engine base 1 is connected by hinge with that can open up unit, described
Unit, which can be opened up, includes cradling piece 2 and slider-crank mechanism, and described 2 one end of cradling piece is connected by hinge with engine base 1, and both sides pass through
Hinge is connected with slider-crank mechanism, and the slider-crank mechanism has multigroup, and each group includes crank 3, connecting rod 4 and sliding block,
Described 3 one end of crank is connected by hinge with cradling piece 2, and the other end is connected by hinge with connecting rod 4, and described 4 one end of connecting rod leads to
Cross hinge to be connected with crank 3, the other end is connected by hinge with sliding block, and described sliding block one end is connected by hinge with connecting rod 4, separately
The used hinge in one end is connected with the crank of latter slider-crank mechanism；The rigid hinge 7, which connects two, can open up module, and two can
Exhibition module can be relatively rotated by the central rotational pair of rigid hinge 7.
The engine base 1 is polygon engine base, there is hinge seat per one side, and polygon engine base can be by hinge seat with that can open up list
First hinge connection.
The slider-crank mechanism is multigroup, and the identical components of difference group can scale to obtain by certainty ratio；Crank block
The group number of mechanism is related with the length of cradling piece 2, and the group number of the more long then slider-crank mechanism of length of cradling piece 2 is more.
The sliding block is divided into 6 two kinds of the first sliding block 5 and the second sliding block, and the sliding block of only last group of slider-crank mechanism is
First sliding block 5, remaining sliding block are the second sliding block 6, and first sliding block 5 passes through hinge and last group of slider-crank mechanism
Connecting rod 4 connects, and described second sliding block, 6 one end is connected by hinge with the connecting rod 4 of place slider-crank mechanism, and the other end passes through hinge
Chain is connected with the crank 3 of later group slider-crank mechanism.
The module of opening up is multiple, is connected each other by rigid hinge 7.
Slide block movement direction and the angle of connecting rod 4 are more than 90 ° in the slider-crank mechanism, less than 180 °, prevent crank
When slide block mechanism moves, sliding block is moved out along cradling piece.
Operation principle and process：
As shown in Figures 2 to 5, folding and unfolding mechanism is by its fully unfolded position to half unfolded state, motor driving crank 3 make its to
2 direction of cradling piece rotates, and crank 3 drives 4 inside lateral movement of connecting rod, and connecting rod 4 moves inward with movable slider along support 2, sliding
Block drives the crank 3 of later group slider-crank mechanism to be moved to 2 direction of cradling piece, is gone on always with this motion mode, into
And shrink slider-crank mechanism.
As shown in Figures 4 to 6, folding and unfolding mechanism is by half unfolded state to completely folded state, and motor driven support bar 2 is to machine
Seat 1 moves, and support can be achieved to fold completely when folding 90 °.
Claims (5)
1. a kind of crank block is the space folding and unfolding mechanism of folding exhibition unit rigid hinge connection, including can open up module and rigid hinge
Chain, it is characterised in that concrete structure and connection relation are as follows,
The module of opening up includes engine base and can open up unit, and engine base is connected by hinge with that can open up unit, and can open up unit includes branch
Hack lever and slider-crank mechanism, cradling piece one end are connected by hinge with engine base, and both sides are connected by hinge and slider-crank mechanism
Connect, slider-crank mechanism includes crank, connecting rod and sliding block, and crank one end is connected by hinge with cradling piece, and the other end passes through hinge
Chain is connected with connecting rod, and connecting rod one end is connected by hinge with crank, and the other end is connected by hinge with sliding block, and sliding block one end passes through
Hinge is connected with connecting rod, and the used hinge of the other end is connected with the crank of latter slider-crank mechanism；The rigid hinge connection two
A to open up module, two can open up module and can be relatively rotated by the central rotational pair of rigid hinge.
2. crank block according to claim 1 is the space folding and unfolding mechanism of folding exhibition unit rigid hinge connection, its feature
It is, the engine base is polygon engine base, there is hinge seat per one side, and polygon engine base can be cut with scissors by hinge seat with that can open up unit
Chain link.
3. a kind of crank block according to claim 1 is the space folding and unfolding mechanism of folding exhibition unit rigid hinge connection, its
It is characterized in that, the slider-crank mechanism is multigroup, and the identical components of difference group can scale to obtain by certainty ratio, crank block
The group number of mechanism is related with the length of cradling piece, and the group number of the more long then slider-crank mechanism of length of cradling piece is more.
4. crank block according to claim 1 is the space folding and unfolding mechanism of folding exhibition unit rigid hinge connection, its feature
It is, the sliding block is the first sliding block and the second sliding block, and the sliding block of only last group of slider-crank mechanism is the first sliding block, its
Remaining sliding block is the second sliding block, and first sliding block is connected by hinge with the connecting rod of last group of slider-crank mechanism, described
Second sliding block one end is connected by hinge with the connecting rod of place slider-crank mechanism, and the other end passes through hinge and later group slide crank
The crank connection of block mechanism.
5. crank block according to claim 1 is the space folding and unfolding mechanism of folding exhibition unit rigid hinge connection, its feature
It is, the angle of slide block movement direction and connecting rod is more than 90 ° in the slider-crank mechanism, less than 180 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711082952.2A CN107902108B (en) | 2017-11-07 | 2017-11-07 | Space folding and unfolding mechanism with crank sliding blocks connected by rigid hinges of folding and unfolding units |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711082952.2A CN107902108B (en) | 2017-11-07 | 2017-11-07 | Space folding and unfolding mechanism with crank sliding blocks connected by rigid hinges of folding and unfolding units |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107902108A true CN107902108A (en) | 2018-04-13 |
| CN107902108B CN107902108B (en) | 2020-07-24 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711082952.2A Active CN107902108B (en) | 2017-11-07 | 2017-11-07 | Space folding and unfolding mechanism with crank sliding blocks connected by rigid hinges of folding and unfolding units |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107902108B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109018282A (en) * | 2018-07-20 | 2018-12-18 | 广西大学 | One kind imitating golden water parent agency based on Worm Wheel System |
| CN109094759A (en) * | 2018-07-20 | 2018-12-28 | 广西大学 | One kind imitating golden water parent agency based on crank block |
| CN112259949A (en) * | 2020-09-16 | 2021-01-22 | 航天东方红卫星有限公司 | High storage ratio modularization folding and unfolding support truss |
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| US6340956B1 (en) * | 1999-11-12 | 2002-01-22 | Leland H. Bowen | Collapsible impulse radiating antenna |
| JP2006319424A (en) * | 2005-05-10 | 2006-11-24 | Nippon Hoso Kyokai <Nhk> | Mesh expansion antenna and manufacturing method of grating-like mesh reflection mirror surface |
| CN202196854U (en) * | 2011-08-03 | 2012-04-18 | 广州航新航空科技股份有限公司 | Antenna support of portable antenna mounting rack |
| CN106426276A (en) * | 2015-08-12 | 2017-02-22 | 佛山市禾才科技服务有限公司 | Double-triangular composite mechanical arm |
| CN106493717A (en) * | 2016-12-30 | 2017-03-15 | 北京工业大学 | A kind of icosahedral single movement can open up symmetrical coupled mechanism |
| CN107134655A (en) * | 2017-04-20 | 2017-09-05 | 哈尔滨工业大学深圳研究生院 | A kind of space expandable curved face truss mechanism based on scissors mechanism |
| CN107171053A (en) * | 2017-05-19 | 2017-09-15 | 浙江龙游公任电子有限公司 | A kind of convenient exterior aerial drawn in |
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2017
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Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6340956B1 (en) * | 1999-11-12 | 2002-01-22 | Leland H. Bowen | Collapsible impulse radiating antenna |
| JP2006319424A (en) * | 2005-05-10 | 2006-11-24 | Nippon Hoso Kyokai <Nhk> | Mesh expansion antenna and manufacturing method of grating-like mesh reflection mirror surface |
| CN202196854U (en) * | 2011-08-03 | 2012-04-18 | 广州航新航空科技股份有限公司 | Antenna support of portable antenna mounting rack |
| CN106426276A (en) * | 2015-08-12 | 2017-02-22 | 佛山市禾才科技服务有限公司 | Double-triangular composite mechanical arm |
| CN106493717A (en) * | 2016-12-30 | 2017-03-15 | 北京工业大学 | A kind of icosahedral single movement can open up symmetrical coupled mechanism |
| CN107134655A (en) * | 2017-04-20 | 2017-09-05 | 哈尔滨工业大学深圳研究生院 | A kind of space expandable curved face truss mechanism based on scissors mechanism |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109018282A (en) * | 2018-07-20 | 2018-12-18 | 广西大学 | One kind imitating golden water parent agency based on Worm Wheel System |
| CN109094759A (en) * | 2018-07-20 | 2018-12-28 | 广西大学 | One kind imitating golden water parent agency based on crank block |
| CN112259949A (en) * | 2020-09-16 | 2021-01-22 | 航天东方红卫星有限公司 | High storage ratio modularization folding and unfolding support truss |
| CN112259949B (en) * | 2020-09-16 | 2023-08-29 | 航天东方红卫星有限公司 | High storage ratio modularized folding and unfolding support truss |
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| Publication number | Publication date |
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| CN107902108B (en) | 2020-07-24 |
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