CN201545193U - Solar wing double-stage spiral repeated folding-deploying locking-unlocking mechanism - Google Patents
Solar wing double-stage spiral repeated folding-deploying locking-unlocking mechanism Download PDFInfo
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- CN201545193U CN201545193U CN2009202008303U CN200920200830U CN201545193U CN 201545193 U CN201545193 U CN 201545193U CN 2009202008303 U CN2009202008303 U CN 2009202008303U CN 200920200830 U CN200920200830 U CN 200920200830U CN 201545193 U CN201545193 U CN 201545193U
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- 210000003746 feather Anatomy 0.000 claims description 20
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- 230000009286 beneficial effect Effects 0.000 description 1
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Abstract
The utility model discloses a solar wing double-stage spiral repeat folding-deploying locking-unlocking mechanism which adopts a double-stage spiral pair to transfer rotation which is input by a power source so as to drive a left substrate and a right substrate of a solar wing to rotate, thereby achieving the repeated folding and deploying of solar wings. The locking of final positions of the folding and the deploying of the solar wing is achieved through the self-locking function of a first spiral pair, and a spherical locking-unlocking positioning pin ensures the redundant and reliable positioning of the final positions of folding and deploying. The solar wing double-grade spiral repeated folding-deploying locking-unlocking mechanism effectively utilizes space of joints in the solar wing substrates, has compact and symmetrical structure, is easy to achieve high-precision and high-reliability motion, and can be applied to a solar wing, a pace repeated folding and deploying mechanism and a ground repeat deploying mechanism.
Description
Technical field
The utility model relates to a kind of sun wing folding and opens up mechanism, relates in particular to a kind of sun wing scale that is used for and closes movable rigidity, the semi-rigid collapsible sun wing repeatable folding and unfolding locking mechanism that connects of internode.
Background technology
Repeatable folding and unfolding locking mechanism is as the important component part of sun wing folding exhibition mechanism, and is essential for the sun wing that has repeatedly the folding and expanding function.The sun wing of present domestic most spacecrafts all belongs to disposable expansion locking, do not possess and repeat to fold, launch function, promptly folding and draw in fairing at launching phase, treat the spacecraft injection after, by the propulsion source that carries it is expanded to mode of operation.When spacecraft carries out orbit maneuver, the sun wing of its expansion is owing to bear the inertial load effect that the orbit maneuver engine igniting causes, easily cause the distortion of sun wing root portion hinge in addition fracture, the vibration of the flexible structure of the sun wing, this will produce disturbance to the attitude and the orbiting motion of spacecraft, thereby bring a series of adverse consequences, the lighter reduces the orientation accuracy of spacecraft, then influences the attitude stability even the flight safety of spacecraft when serious.
The utility model content
The purpose of this utility model is at the deficiencies in the prior art, and a kind of sun wing two-stage spiral repeatable folding and unfolding locking mechanism is provided; This mechanism can prevent the sun wing repeat folding with launch, repeat locking and release, the sun wing of expansion equation can repeatedly be drawn at space, again launch after waiting to finish orbit maneuver or becoming rail, with the fast reserve that improves spacecraft, the energy consumption that reduces the posture adjustment process, guarantee safe in operation, increase the service life the harmful effect of force of inertia and flexible structure vibration when reducing the change rail.
The technical scheme that the utility model adopted is as follows: a kind of sun wing two-stage spiral repeatable folding and unfolding locking mechanism, and it comprises: sun wing left side substrate, standing screw, engaged wheel, rotating screw bolt, first right handed unt, the right substrate of second sun wing, first two-direction thrust bearing, second right handed unt, first ball catch are separated locating dowel pin, block bearing, second ball catch and are separated that locating dowel pin, right feather key, second two-direction thrust bearing, first left-handed nut, second left-handed nut, the 3rd ball catch are separated locating dowel pin, the 4th ball catch is separated locating dowel pin, left feather key; Wherein, described engaged wheel is fixed on the rotating screw bolt, and first right handed unt connects with the right-hand screw thread of rotating screw bolt lower end; First left-handed nut connects with the minus thread of rotating screw bolt upper end.First right handed unt and first left-handed nut are by the spacing connection of the slideway on the standing screw.Second right handed unt connects with first right handed unt by first two-direction thrust bearing, and second left-handed nut connects with first left-handed nut by second two-direction thrust bearing.Second right handed unt connects with the right-hand screw thread of standing screw lower end, and second left-handed nut connects with the minus thread of standing screw upper end.First feather key is fixed on second right handed unt, and connects by sliding up and down duplicate invoice with first sun wing scale.Second feather key is fixed on second left-handed nut, and connects by sliding up and down duplicate invoice with second sun wing scale.
The utility model compared with prior art has following beneficial effect:
1, the application of two-stage screw pair has made full use of limited space between sun wing scale, compact conformation.
2, the input of repeatable folding and unfolding locking mechanism, output are coaxial, and symmetry, load are good;
3, first order screw pair has auto-lock function, can realize in theory that sun wing scale is locked at any angle to separate, and helps improving the utilization ratio of solar cell in the space;
4, ball catch is separated the redundant fiduciary level that locating dowel pin is guaranteed repeatable folding and unfolding locking mechanism;
5, applied range.The utility model on can being installed in the multistage collapsible sun wing, also may be used in space development mechanisms such as deployable antenna, space extending arm and the ground mechanism.
Description of drawings
Fig. 1 is the utility model integral structure sketch;
Among the figure, 1, sun wing left side substrate, 2, standing screw, 3, engaged wheel, 4, rotating screw bolt, 5, first right handed unt, 6, the right substrate of the sun wing, 7, first two-direction thrust bearing, 8, second right handed unt, 9, first ball catch is separated locating dowel pin, 10, block bearing, 11, second ball catch is separated locating dowel pin, and 12, left feather key, 13, second two-direction thrust bearing, 14, first left-handed nut, 15, second left-handed nut, the 16, the 3rd ball catch is separated locating dowel pin, 17, the 4th ball catch is separated locating dowel pin, and 18, right feather key.
The specific embodiment
Be to reduce the space hold between each substrate of the sun wing, the utility model adopts two-stage spiral repeatable folding and unfolding locking mechanism, and this mechanism is applicable to that the folding and unfolding locking of the multistage sun wing separates.Power drives the action of first order screw pair by engaged wheel, and the motion feature of this grade screw pair is: screw rod rotates, and nut moves, and first order screw pair has auto-lock function.Screw rod two ends wherein have left-handed and right-hand screw thread, cooperate left-handed, right handed unt respectively.Nut will move and pass to two-direction thrust bearing, drive second stage screw pair action, and the motion feature of this grade screw pair is: screw rod is fixed, and nut rotates and move (two movement nut), no auto-lock function.The standing screw two ends have left-handed and right-hand screw thread, cooperate left-handed, right handed unt respectively.Two movement nut at two ends are connected by feather key with left and right sun wing scale respectively, and folding, the expansion of sun wing scale are finished by rotatablely moving of two movement nut.Therefore first order screw pair has auto-lock function, can be by the having of engaged wheel, release and locking that unpowered input realizes sun wing scale.For safety, reliable for the purpose of, separate locating dowel pin at the suitable location arrangements ball catch that standing screw is circumferential, to guarantee that the sun wing is in accurate location folding, that launch the ultimate position.
Principle of work of the present utility model is: two-stage screw pair, ball catch with repeatable folding and unfolding locking function are separated locating dowel pin, feather key and left and right sides sun wing scale and are formed two-stage spiral repeatable folding and unfolding locking mechanism jointly.The rotation that first order screw pair will be imported is converted into two motions of moving and then realizing second stage screw pair nut: rotate and move.Connection by feather key is rotated the left and right sides sun wing, has promptly realized the folding of the sun wing and has launched.Ball catch is separated safe, reliable, the redundant location that locating dowel pin is guaranteed sun wingfold, launched end position.Like this, repeatable folding and unfolding locking mechanism is simple in structure, compact, input and output are coaxial, and folding and expanding is more steady, and the locking release is safer.
Describe the utility model in detail below in conjunction with accompanying drawing, it is more obvious that the purpose of this utility model and effect will become.
As shown in Figure 1, sun wing two-stage spiral repeatable folding and unfolding locking mechanism of the present utility model, comprise: among the figure, sun wing left side substrate 1, standing screw 2, engaged wheel 3, rotating screw bolt 4, first right handed unt 5, the right substrate 6 of second sun wing, first two-direction thrust bearing 7, second right handed unt 8, first ball catch is separated locating dowel pin 9, block bearing 10, second ball catch is separated locating dowel pin 11, right feather key 12, second two-direction thrust bearing 13, first left-handed nut 14, second left-handed nut 15, the 3rd ball catch is separated locating dowel pin 16, the 4th ball catch is separated locating dowel pin 17, left side feather key 18.
Wherein, engaged wheel 3 is fixed on the rotating screw bolt 4, and first right handed unt 5 connects with the right-hand screw thread of rotating screw bolt 4 lower ends; First left-handed nut 14 connects with the minus thread of rotating screw bolt 4 upper ends; Simultaneously, first right handed unt 5 and first left-handed nut 14 are by the spacing connection of slideway on the standing screw 2, and when rotating screw bolt 4 rotated, first right handed unt 5 and first left-handed nut 14 can only move and can't rotate along slideway.Second right handed unt 8 connects with first right handed unt 5 by first two-direction thrust bearing 7, and second left-handed nut 15 connects with first left-handed nut 14 by second two-direction thrust bearing 13.Second right handed unt 8 connects with the right-hand screw thread of standing screw 2 lower ends, and second left-handed nut 15 connects with the minus thread of standing screw 2 upper ends.Standing screw 2 maintains static all the time, so first right handed unt 5 moves, impels second right handed unt 8 not only to rotate but also move around standing screw 2.First feather key 18 is fixed on second right handed unt 8, and connects by sliding up and down duplicate invoice with first sun wing scale 1, and second right handed unt's 8 rotation drives the rotation of first sun wing scale 1.In like manner, second feather key 12 is fixed on second left-handed nut 15, and connects by sliding up and down duplicate invoice with second sun wing scale 6, and the rotation of second left-handed nut 15 drives the rotation of second sun wing scale 6.
The propulsion source that engaged wheel 3 provides for sun wing mechanism; First order screw pair 4,5 (lower end dextrorotation), 4,14 (upper end is left-handed); Second stage screw pair 2,8 (lower end dextrorotation), 2,15 (upper end is left-handed); First and second two-direction thrust bearing 7,13; First and second ball catch is separated locating dowel pin 9,11 (the right substrate 6 of the sun wing launches location, the locking of ultimate position); Third and fourth ball catch is separated locating dowel pin 16,17 (sun wing scale 1 launches location, the locking of ultimate position); Right, left feather key 18,12 is formed.Described engaged wheel 3 rotates counterclockwise, and drives the lower end and has the rotating screw bolt 4 that right-hand screw thread, upper end have a minus thread and rotate in the same way, and first right handed unt 5 of Pei Heing moves up with it, first left-handed nut 14 moves down; Be the execution of first order screw pair, but self-locking; First right handed unt 5, first left-handed nut 14 will move and pass to first, second two-direction thrust bearing 7,13, and then drive second right handed unt 8, second left-handed nut 15 moves and rotates, the lower end of Pei Heing has the standing screw 2 that right-hand screw thread, upper end have a minus thread and maintains static with it, be second stage screw pair execution, not self-locking; Second right handed unt 8 connects with the left feather key 18 of sun wing left side substrate 1 usefulness, second left-handed nut 15 connects with the right feather key 12 of right substrate 6 usefulness of the sun wing, realize the rotation of sun wing left and right sides substrate 1,6, i.e. sun wing scale jackknife action by clockwise rotating of the rotating counterclockwise of second right handed unt's pair 8, the second left-handed nut pair 15; Otherwise the motion of engaged wheel cw promptly realizes the expansion action of sun wing left and right sides substrate 1,6; The engaged wheel stall because of first order screw pair has auto-lock function, then realizes the locking of sun wing scale.The ball catch of circumferentially arranging on the standing screw 2 is separated locating dowel pin and is guaranteed that sun wing scale is folding, the locking of expansion ultimate position is more safe and reliable.
Claims (1)
1. sun wing two-stage spiral repeatable folding and unfolding locking mechanism, it is characterized in that it comprises: sun wing left side substrate (1), standing screw (2), engaged wheel (3), rotating screw bolt (4), first right handed unt (5), the right substrate (6) of second sun wing, first two-direction thrust bearing (7), second right handed unt (8), first ball catch is separated locating dowel pin (9), block bearing (10), second ball catch is separated locating dowel pin (11), right feather key (12), second two-direction thrust bearing (13), first left-handed nut (14), second left-handed nut (15), the 3rd ball catch is separated locating dowel pin (16), the 4th ball catch is separated locating dowel pin (17), left side feather key (18); Described engaged wheel (3) is fixed on the rotating screw bolt (4), and first right handed unt (5) connects with the right-hand screw thread of rotating screw bolt (4) lower end; First left-handed nut (14) connects with the minus thread of rotating screw bolt (4) upper end; First right handed unt (5) and first left-handed nut (14) are by the spacing connection of slideway on the standing screw (2); Second right handed unt (8) connects with first right handed unt (5) by first two-direction thrust bearing (7), and second left-handed nut (15) connects with first left-handed nut (14) by second two-direction thrust bearing (13); Second right handed unt (8) connects with the right-hand screw thread of standing screw (2) lower end, and second left-handed nut (15) connects with the minus thread of standing screw (2) upper end; First feather key (18) is fixed on second right handed unt (8), and connects by sliding up and down duplicate invoice with first sun wing scale (1); Second feather key (12) is fixed on second left-handed nut (15), and connects by sliding up and down duplicate invoice with second sun wing scale (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202008303U CN201545193U (en) | 2009-11-26 | 2009-11-26 | Solar wing double-stage spiral repeated folding-deploying locking-unlocking mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202008303U CN201545193U (en) | 2009-11-26 | 2009-11-26 | Solar wing double-stage spiral repeated folding-deploying locking-unlocking mechanism |
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| Publication Number | Publication Date |
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| CN201545193U true CN201545193U (en) | 2010-08-11 |
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| CN2009202008303U Expired - Lifetime CN201545193U (en) | 2009-11-26 | 2009-11-26 | Solar wing double-stage spiral repeated folding-deploying locking-unlocking mechanism |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102278916A (en) * | 2011-05-26 | 2011-12-14 | 浙江理工大学 | Space cam-screw combined type repeatedly folding-unfolding unlocking mechanism |
| CN102765492A (en) * | 2012-07-03 | 2012-11-07 | 浙江理工大学 | Scissor-type space stretching arm mechanism |
| CN101708779B (en) * | 2009-11-26 | 2013-11-06 | 浙江理工大学 | Two-stage spiral repeatable folding and unfolding locking mechanism of solar wing |
| CN103939554A (en) * | 2014-04-08 | 2014-07-23 | 哈尔滨工业大学 | Gear rotating type auxiliary reciprocating turnover mechanism for solar wings |
| CN108190049A (en) * | 2018-01-12 | 2018-06-22 | 北京航空航天大学 | A kind of repeatable folding and unfolding mechanism and the satellite sun wing |
| CN110703588A (en) * | 2019-11-15 | 2020-01-17 | 上海航天控制技术研究所 | Space station solar wing reliable redundancy control system and method based on multi-instruction input |
| CN114421123A (en) * | 2022-02-15 | 2022-04-29 | 长沙天仪空间科技研究院有限公司 | Folding and unfolding drive control system capable of being adjusted for two times |
-
2009
- 2009-11-26 CN CN2009202008303U patent/CN201545193U/en not_active Expired - Lifetime
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101708779B (en) * | 2009-11-26 | 2013-11-06 | 浙江理工大学 | Two-stage spiral repeatable folding and unfolding locking mechanism of solar wing |
| CN102278916A (en) * | 2011-05-26 | 2011-12-14 | 浙江理工大学 | Space cam-screw combined type repeatedly folding-unfolding unlocking mechanism |
| CN102278916B (en) * | 2011-05-26 | 2013-07-10 | 浙江理工大学 | Space cam-screw combined type repeatedly folding-unfolding unlocking mechanism |
| CN102765492A (en) * | 2012-07-03 | 2012-11-07 | 浙江理工大学 | Scissor-type space stretching arm mechanism |
| CN102765492B (en) * | 2012-07-03 | 2014-07-23 | 浙江理工大学 | Scissor-type space stretching arm mechanism |
| CN103939554A (en) * | 2014-04-08 | 2014-07-23 | 哈尔滨工业大学 | Gear rotating type auxiliary reciprocating turnover mechanism for solar wings |
| CN103939554B (en) * | 2014-04-08 | 2016-03-02 | 哈尔滨工业大学 | The reciprocal assisting overturn mechanism of pinion rotation formula solar wing |
| CN108190049A (en) * | 2018-01-12 | 2018-06-22 | 北京航空航天大学 | A kind of repeatable folding and unfolding mechanism and the satellite sun wing |
| CN110703588A (en) * | 2019-11-15 | 2020-01-17 | 上海航天控制技术研究所 | Space station solar wing reliable redundancy control system and method based on multi-instruction input |
| CN114421123A (en) * | 2022-02-15 | 2022-04-29 | 长沙天仪空间科技研究院有限公司 | Folding and unfolding drive control system capable of being adjusted for two times |
| CN114421123B (en) * | 2022-02-15 | 2023-10-13 | 长沙天仪空间科技研究院有限公司 | Folding and unfolding driving control system capable of being adjusted secondarily |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20100811 Effective date of abandoning: 20091126 |
|
| RGAV | Abandon patent right to avoid regrant |