CN107671843A - The space folding and unfolding mechanism that a kind of crank block connects for folding exhibition unit flexible hinge - Google Patents

The space folding and unfolding mechanism that a kind of crank block connects for folding exhibition unit flexible hinge Download PDF

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Publication number
CN107671843A
CN107671843A CN201711082538.1A CN201711082538A CN107671843A CN 107671843 A CN107671843 A CN 107671843A CN 201711082538 A CN201711082538 A CN 201711082538A CN 107671843 A CN107671843 A CN 107671843A
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CN
China
Prior art keywords
connecting rod
folding
bearing pin
crank
flexible hinge
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201711082538.1A
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Chinese (zh)
Inventor
王汝贵
孙家兴
袁吉伟
黄慕华
陈辉庆
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Guangxi University
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Guangxi University
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Filing date
Publication date
Application filed by Guangxi University filed Critical Guangxi University
Priority to CN201711082538.1A priority Critical patent/CN107671843A/en
Publication of CN107671843A publication Critical patent/CN107671843A/en
Pending legal-status Critical Current

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B25HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25JMANIPULATORS; CHAMBERS PROVIDED WITH MANIPULATION DEVICES
    • B25J9/00Programme-controlled manipulators
    • B25J9/0009Constructional details, e.g. manipulator supports, bases
    • B25J9/0027Means for extending the operation range

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  • Engineering & Computer Science (AREA)
  • Robotics (AREA)
  • Mechanical Engineering (AREA)
  • Pivots And Pivotal Connections (AREA)

Abstract

The space folding and unfolding mechanism that a kind of crank block connects for folding exhibition unit flexible hinge, the support of the folding and unfolding mechanism is connected at axis pin base by bearing pin with that can open up unit, cradling piece one end that unit can be opened up is connected by bearing pin with support, both sides are connected by bearing pin with slider-crank mechanism, first connecting rod one end of slider-crank mechanism is connected by bearing pin with cradling piece, the other end is connected by bearing pin with second connecting rod, second connecting rod one end is connected by bearing pin with first connecting rod, the other end is connected by bearing pin with the second sliding block, second sliding block one end is connected by bearing pin with second connecting rod, the other end is connected by bearing pin with the first connecting rod of later group slider-crank mechanism, first sliding block of last group of slider-crank mechanism is only connected with second connecting rod by bearing pin, flexible hinge is three-degree of freedom flexible hinge, both ends, which connect two, can open up module.Stability of the present invention is good, the rigidity of structure is big, it is simple in construction, can in space folding, fold than big.

Description

The space folding and unfolding mechanism that a kind of crank block connects for folding exhibition unit flexible hinge
Technical field
The present invention relates to a kind of space folding and unfolding mechanism, particularly a kind of crank block is folding exhibition unit flexible hinge connection Space folding and unfolding mechanism.
Background technology
With the development of aerospace industry, some large-scale in-orbit structures can be applied in increasing aerospace engineering, to meet The demand of different space missions;However, due to the limitation of shipping volume, the non-folding that can be transmitted into space opens up the size of structure Can not meet the needs of task, therefore various types of aerospace folding and unfolding mechanisms have obtained quick development and application.Space Exposure mechanism of the folding and unfolding mechanism in aerospace engineering field mainly as payload such as radar antennas, big-caliber space antenna support Mechanism, the supporting mechanism of flexible solar wing and fold-playing space station skeleton etc..
Chinese patent 201410055607.X discloses a kind of annular truss formula large space development agency, and the patent passes through Rope or Spring driving, mechanical stability are relatively low;Chinese patent 201510939297.2 discloses a kind of fast for radar antenna Speed sets up the support arm folding and unfolding mechanism with removing receipts, and the invention is realized folding exhibition by the form of guide rail and rack-and-pinion, added The cost of manufacture of mechanism, popularization and application ability;Chinese patent 201210310520.3 discloses one kind and is based on square shaped cells Planar array development agency, the patent can be only folded smaller flat-folded.Now there is an urgent need to a kind of stability it is good, knot Structure rigidity is big, simple in construction, processing and manufacturing cost is low, cost-effective, and can roll over exhibition machine than big space in space folding, folding Structure.
At present, there is not yet a kind of stability is good, the rigidity of structure is big, simple in construction, processing and manufacturing cost is low, cost performance Height, and can be in space folding, folding than big space folding and unfolding mechanism invention design.
The content of the invention
A kind of space folding and unfolding mechanism it is an object of the invention to provide crank block for folding exhibition unit flexible hinge connection, it With stability is good, good reliability, the rigidity of structure is big, simple in construction, processing and manufacturing cost is low, cost-effective, and can be in space Fold, fold than it is big the features such as.
The technical scheme is that:The space folding and unfolding mechanism that a kind of crank block connects for folding exhibition unit flexible hinge, Including support, unit and flexible hinge can be opened up, concrete structure and annexation are as follows:
The support is octagon support, has an axis pin base per one side, octagon support passes through pin at axis pin base Axle is connected with that can open up unit, and the unit of opening up includes cradling piece and slider-crank mechanism, and cradling piece one end passes through bearing pin and machine Seat connection, both sides are connected by bearing pin with slider-crank mechanism, and slider-crank mechanism includes first connecting rod, second connecting rod and cunning Block, first connecting rod one end of first group of slider-crank mechanism are connected by bearing pin with cradling piece, and the other end passes through bearing pin and second Connecting rod is connected, and described second connecting rod one end is connected by bearing pin with first connecting rod, and the other end is connected by bearing pin with the second sliding block, Second sliding block one end is connected by bearing pin with second connecting rod, and the other end connects by the first of bearing pin and later group slider-crank mechanism Bar connects, and the structure and annexation of other slider-crank mechanisms are identical with first group of slider-crank mechanism, last suite handle First sliding block of slide block mechanism is only connected with second connecting rod by bearing pin, and the flexible hinge is three-degree of freedom flexible hinge, 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.
The sliding block includes the first sliding block and the second sliding block, and the first sliding block is unilateral to only have an axis pin base, the second sliding block list There are two axis pin bases side.
The sliding block is nested on cradling piece, is connected by prismatic pair with cradling piece.
The module of opening up includes support and can open up unit.
The angle of slide block movement direction and second connecting rod is more than 90 ° in the slider-crank mechanism, less than 180 °.
The present invention's has the prominent advantages that:
1st, 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 motion of structure group, motor is few, folding and unfolding mechanism light weight, is easy to transport on Launch Vehicle.
2nd, module can be opened up by connecting two by flexible hinge, by way of array, form different large scale folding exhibition machines Structure, to meet the needs of different space missions.
3rd, by twice-folded, space folding is realized, is folded than big, gathering small volume, there is higher rigidity and intensity, The oscillating load in emission process can be born.
4th, all kinematic pairs are revolute pair, and connected mode is simple, useable electric moter driving, by the speed of controlled motor, The speed of rod member motion is controlled, reaches the effect of increase stability and reliability.
5th, application flexibility hinge between module can be opened up, when that can open up module and shrink, does not have recoil strength and friction between each other, Under lasting folded state, abrasion will not be also produced.
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 flexible hinge connection is shown It is intended to.
Fig. 2 is the vertical view for the space folding and unfolding mechanism that crank block of the present invention is folding exhibition unit flexible hinge connection Figure.
Fig. 3 is that space folding and unfolding mechanism that crank block of the present invention is folding exhibition unit flexible hinge connection opens up mould The top view 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 flexible hinge connection opens up mould The structural representation of block its fully unfolded position.
Fig. 5 is that space folding and unfolding mechanism that crank block of the present invention is folding exhibition unit flexible hinge connection opens up mould The top view of the deployed condition of block half.
Fig. 6 is that space folding and unfolding mechanism that crank block of the present invention is folding exhibition unit flexible hinge connection opens up mould The structural representation of the deployed condition of block half.
Fig. 7 is that space folding and unfolding mechanism that crank block of the present invention is folding exhibition unit flexible hinge connection opens up mould The structural representation of block completely folded state.
Fig. 8 is the support master for the space folding and unfolding mechanism that crank block of the present invention is folding exhibition unit flexible hinge connection View.
Fig. 9 is that the support for the space folding and unfolding mechanism that crank block of the present invention is folding exhibition unit flexible hinge connection is bowed View.
Figure 10 is the support for the space folding and unfolding mechanism that crank block of the present invention is folding exhibition unit flexible hinge connection Structural representation.
Figure 11 is opening up for the space folding and unfolding mechanism that crank block of the present invention is folding exhibition unit flexible hinge connection The structural representation of unit its fully unfolded position.
Figure 12 is opening up for the space folding and unfolding mechanism that crank block of the present invention is folding exhibition unit flexible hinge connection The structural representation of unit completely folded state.
Figure 13 is opening up for the space folding and unfolding mechanism that crank block of the present invention is folding exhibition unit flexible hinge connection The front view of unit its fully unfolded position.
Figure 14 is the first of the space folding and unfolding mechanism that crank block of the present invention is folding exhibition unit flexible hinge connection The structural representation of sliding block.
Figure 15 is the second of the space folding and unfolding mechanism that crank block of the present invention is folding exhibition unit flexible hinge connection The structural representation of sliding block.
Figure 16 is the flexibility for the space folding and unfolding mechanism that crank block of the present invention is folding exhibition unit flexible hinge connection The structural representation of hinge.
In figure mark for:1. support;2. cradling piece;3. first connecting rod;4. second connecting rod;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 16, crank block of the present invention rolls over exhibition for the space of folding exhibition unit flexible hinge connection Mechanism, including support 1, unit and flexible hinge 7 can be opened up, concrete structure and annexation are as follows:
The support 1 is octagon support, has an axis pin base per one side, octagon support passes through pin at axis pin base Axle is connected with that can open up unit;The unit of opening up includes cradling piece 2 and slider-crank mechanism, the one end of cradling piece 2 by bearing pin with Support 1 is connected, and both sides are connected by bearing pin with slider-crank mechanism, and slider-crank mechanism includes first connecting rod 3, second connecting rod 4 And sliding block, the one end of first connecting rod 3 are connected by bearing pin with cradling piece 2, the other end is connected by bearing pin with second connecting rod 4, second The one end of connecting rod 4 is connected by bearing pin with first connecting rod 3, and the other end is connected by bearing pin with the second sliding block 6, the one end of the second sliding block 6 It is connected by bearing pin with second connecting rod 4, the other end is connected by bearing pin with the first connecting rod 3 of later group slider-crank mechanism, its The structure and annexation of his slider-crank mechanism are identical with first group of slider-crank mechanism, last group of slider-crank mechanism First sliding block 5 is only connected with second connecting rod 4 by bearing pin, and the flexible hinge 7 is three-degree of freedom flexible hinge, flexible hinge 7 Both ends, which connect two, can open up module, and two can open up module and can arbitrarily be rotated by the intermediate flexible body of flexible hinge 7.
The sliding block includes the first sliding block 5 and the second sliding block 6, and the first sliding block 5 is unilateral to only have an axis pin base, the second sliding block There are two axis pin bases 6 one side.
The sliding block is nested on cradling piece 2, is connected by prismatic pair with cradling piece 2.
The module of opening up includes support 1 and can open up unit.
Slide block movement direction and the angle of second connecting rod 4 are more than 90 ° in the slider-crank mechanism, less than 180 °.
Operation principle and process:
As shown in Figures 3 to 6, folding and unfolding mechanism is made by its fully unfolded position to half deployed condition, motor driving first connecting rod 3 It is rotated to the direction of cradling piece 2, and first connecting rod 3 drives second connecting rod 4 to be propped up to medial motion, second connecting rod bar 4 with movable slider edge Hold frame 2 to move inward, sliding block drives the first connecting rod 3 of later group slider-crank mechanism to move to the direction of cradling piece 2, transports with this Flowing mode goes on always, and then shrinks slider-crank mechanism.
As shown in Figures 5 to 7, folding and unfolding mechanism is by half deployed condition 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 flexible hinge connection, including support, unit and soft can be opened up Property hinge, it is characterised in that concrete structure and annexation are as follows,
The support is octagon support, has an axis pin base per one side, octagon support at axis pin base by bearing pin with Unit connection can be opened up;The unit of opening up includes cradling piece and slider-crank mechanism, and cradling piece one end is connected by bearing pin and support Connecing, both sides are connected by bearing pin with slider-crank mechanism, and slider-crank mechanism includes first connecting rod, second connecting rod and sliding block, the First connecting rod one end of one group of slider-crank mechanism is connected by bearing pin with cradling piece, and the other end is connected by bearing pin and second connecting rod Connect, described second connecting rod one end is connected by bearing pin with first connecting rod, and the other end is connected by bearing pin with the second sliding block, and second slides Block one end is connected by bearing pin with second connecting rod, and the other end is connected by the first connecting rod of bearing pin and later group slider-crank mechanism Connect, the structure and annexation of other slider-crank mechanisms are identical with first group of slider-crank mechanism, last group of crank block First sliding block of mechanism is only connected with second connecting rod by bearing pin;The flexible hinge is three-degree of freedom flexible hinge, flexible hinge Chain both ends, which connect two, can open up module, and 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 space folding and unfolding mechanism of folding exhibition unit flexible hinge connection, its feature It is, the sliding block includes the first sliding block and the second sliding block, and the first sliding block is unilateral to only have an axis pin base, and the second sliding block one side has Two axis pin bases.
3. crank block according to claim 1 is the space folding and unfolding mechanism of folding exhibition unit flexible hinge connection, its feature It is, the sliding block is nested on cradling piece, is connected by prismatic pair with cradling piece.
4. crank block according to claim 1 is the space folding and unfolding mechanism of folding exhibition unit flexible hinge connection, its feature It is, the module of opening up includes support and can open up unit.
5. crank block according to claim 1 is the space folding and unfolding mechanism of folding exhibition unit flexible hinge connection, its feature It is, the angle of slide block movement direction and second connecting rod is more than 90 ° in the slider-crank mechanism, less than 180 °.
CN201711082538.1A 2017-11-07 2017-11-07 The space folding and unfolding mechanism that a kind of crank block connects for folding exhibition unit flexible hinge Pending CN107671843A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201711082538.1A CN107671843A (en) 2017-11-07 2017-11-07 The space 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
CN201711082538.1A CN107671843A (en) 2017-11-07 2017-11-07 The space folding and unfolding mechanism that a kind of crank block connects for folding exhibition unit flexible hinge

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109110155A (en) * 2018-07-20 2019-01-01 广西大学 A kind of imitative cobweb large space development agency
CN114962438A (en) * 2022-04-24 2022-08-30 北京理工大学 Flexible deployable mechanism based on paper folding principle and soft hinge

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06336200A (en) * 1993-05-31 1994-12-06 Toshiba Corp Folding/unfolding device for expansion structure
JP5437444B2 (en) * 2012-06-04 2014-03-12 真 内海 Actuator device and robot device using the same
CN103825098A (en) * 2014-02-18 2014-05-28 哈尔滨工业大学深圳研究生院 Framework type spatial foldable antenna unfolding mechanism
CN204487580U (en) * 2015-03-27 2015-07-22 何建慧 A kind of three-dimension flexible organ cellular construction for bio-robot
CN106299588A (en) * 2016-08-30 2017-01-04 长春工业大学 Circular development agency
CN106364700A (en) * 2016-08-29 2017-02-01 南京航空航天大学 Space deployable mechanism designed on basis of posterior wing deployable mechanism of dermaptera insect earwigs

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06336200A (en) * 1993-05-31 1994-12-06 Toshiba Corp Folding/unfolding device for expansion structure
JP5437444B2 (en) * 2012-06-04 2014-03-12 真 内海 Actuator device and robot device using the same
CN103825098A (en) * 2014-02-18 2014-05-28 哈尔滨工业大学深圳研究生院 Framework type spatial foldable antenna unfolding mechanism
CN204487580U (en) * 2015-03-27 2015-07-22 何建慧 A kind of three-dimension flexible organ cellular construction for bio-robot
CN106364700A (en) * 2016-08-29 2017-02-01 南京航空航天大学 Space deployable mechanism designed on basis of posterior wing deployable mechanism of dermaptera insect earwigs
CN106299588A (en) * 2016-08-30 2017-01-04 长春工业大学 Circular development agency

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109110155A (en) * 2018-07-20 2019-01-01 广西大学 A kind of imitative cobweb large space development agency
CN114962438A (en) * 2022-04-24 2022-08-30 北京理工大学 Flexible deployable mechanism based on paper folding principle and soft hinge

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Effective date of abandoning: 20210604