CN207045791U - A kind of spring retractable deployable mechanism - Google Patents
A kind of spring retractable deployable mechanism Download PDFInfo
- Publication number
- CN207045791U CN207045791U CN201720931584.3U CN201720931584U CN207045791U CN 207045791 U CN207045791 U CN 207045791U CN 201720931584 U CN201720931584 U CN 201720931584U CN 207045791 U CN207045791 U CN 207045791U
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- CN
- China
- Prior art keywords
- support ring
- final stage
- long spiro
- order
- spiro nail
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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.)
- Withdrawn - After Issue
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Abstract
A kind of spring retractable deployable mechanism, including support ring, spring, rope and clutch component are the utility model is related to, the support ring includes first order support ring, final stage support ring and intermediate supports ring；Adjacent support ring is connected by long spiro nail, and the nut of long spiro nail one end is fixedly installed in the counterbore of one of support ring, and long spiro nail other end attaching nut, nut is arranged in the counterbore of another support ring；Spring is connected with first order support ring and final stage support ring；One end of rope is connected in first order support ring, and the other end is connected in final stage support ring；Flange tab is provided with first order support ring and final stage support ring, flange tab center is provided with mounting hole；Clutch component connects first order support ring and final stage support ring through mounting hole.The utility model proposes a kind of precision of expansion is high, structure type is simple, expansion reliability is high, deploys process smoothly telescopic development mechanism.
Description
Technical field
A kind of spring retractable deployable mechanism is the utility model is related to, can be widely applied to Aero-Space and ground mechanism
Organize work.
Background technology
At home and abroad in aerospace field, deployable technology is employed extensively, and Large deployable antenna, heavy caliber can be opened up
Open optical system, Large Deployable light shield etc. and deployable mechanism all be present.Common deployable mechanism typically has inflatable exhibition
Opening mechanism, thin wall-type development mechanism and hinged truss formula development mechanism；Inflatable development mechanism, such as U.S.'s expansion of 1996
Deployable antenna space development tests (IAE), and its inflatable deployment structure has that light weight, folding efficiency are high, bearing capacity is strong, engineering
The advantages such as complexity is low, but its rigidity and precision of expansion are relatively low, thermal deformation is larger；Thin wall-type development mechanism is typically using thin
Steel ruler can be collapsed and deployed from the property of curling, and German aerospace research institute (DLR) was developing one 14 meters long
Support solar sail, thin wall-type development mechanism quality is smaller, simple in construction, and reliability is high, but its rigidity is relatively low, expansion process compared with
For fierceness；Hinged truss formula development mechanism, AEC-Able engineering companies develop a kind of foldable be hinged square frame formula stretching, extension
Arm Folding Articulated Square Truss Mast (FAST) and one kind can open up framework type extending arm (Able
Deployable Articulated Mast) (ADAM), although such a development mechanism rigidity is higher, expansion process more relaxes,
But it is complicated, reliability is relatively low.Therefore simple a kind of precision of expansion height, structure type, expansion reliability height, expansion are needed
The stable telescopic development mechanism of process.
Utility model content
In order to solve, existing deployable mechanism is complicated, expansion process is fierce, precision of expansion is relatively low, expansion reliability
The problem of low, the utility model proposes a kind of precision of expansion is high, structure type is simple, expansion reliability is high, expansion process is put down
Steady telescopic development mechanism.
The technical solution of the utility model is：
A kind of spring retractable deployable mechanism, including support ring, spring, rope and clutch component, the support ring bag
First order support ring, final stage support ring and N number of intermediate supports ring are included, N number of intermediate supports ring is arranged on first order support ring and end
Between level support ring, N is positive integer；Adjacent support ring is connected by long spiro nail, and the nut of described long spiro nail one end, which is fixed, to be set
Put in the counterbore of wherein one support ring, long spiro nail other end attaching nut, the nut is arranged on another support ring
In counterbore；The through hole that long spiro nail passes through is provided with the final stage support ring and intermediate supports ring；The spring is arranged on first
Between level support ring outer peripheral face and final stage support ring outer peripheral face, and it is connected with first order support ring and final stage support ring；The rope
One end of rope is connected in first order support ring, and the other end is connected in final stage support ring；The first order support ring and final stage
Flange tab is provided with support ring, flange tab center is provided with mounting hole；The clutch component connects first through mounting hole
Level support ring and final stage support ring, for deployable mechanism in rounding state, clutch component is closure state, and deployable mechanism is solving
During lock status, clutch component is released state.
Further, rubber gasket is also included, the rubber gasket is arranged in the counterbore of installation nut.
Further, the aperture for connecting rope is additionally provided with the first order support ring and final stage support ring, is restricted
Rope leads to small holes and is connected with first order support ring and final stage support ring.
Further, the clutch component is blasting bolt or magnetic valve.
Further, the rope quantity is three.
Further, the intermediate supports number of rings amount is three.
Further, the nut of the long spiro nail is gluing is fixed in counterbore.
Further, three root long mode connects for screw are passed through between adjacent support ring.
The advantages of the utility model is：
1. the utility model structure type is simple, is locked and unlocked by magnetic valve or blasting bolt, the energy of release
Amount can be absorbed by compression spring, while the elastic potential energy driving force that compression spring is laid in advance is stronger, can ensure that mechanism is suitable
Profit expansion, and compression spring is voluntarily slowed down when close to its fully unfolded position, makes expansion process steady.
2. the utility model is coordinated by long spiro nail nut realizes that expansion is spacing, realize expansion axially with reference to spring stretching force
The control of precision, hole axle fit precision can ensure the radial accuracy of development mechanism, precision of expansion height.
3. the utility model can ensure exhibition by the cooperation of long spiro nail and nut, the counterbore hole slot machining accuracy of support ring
The reliability opened, by verification experimental verification, development mechanism can smooth sheetage 100%.
4. the utility model can by the cooperation tightened, rubber gasket, long spiro nail and nut are adhered in support ring of rope
Caused impact shock during deploying effectively is absorbed, can smoothly realize high-precision expansion, prevents expansion from failing, while
Reduce influences on Platform Vibrations such as satellites.
5. the utility model determines required exhibition by adjusting long spiro nail length, support ring quantity and spring length of run
Open size and storage ratio.
6. the utility model forms baffle vane in support ring embedded SMA actuators cutting edge and is surface-treated or directly sets up
Baffle vane, while development mechanism outer cylinder surface sets shading thin-walled material can be at end into deployable light shield, while also
Optical system or antenna etc. are carried in level support ring, you can as stretching, extension arm configuration, the utility model is easy to transform, can applied
Extensively.
Brief description of the drawings
Fig. 1 is the utility model embodiment deployed condition structure chart；
Fig. 2 is that the utility model embodiment collapses state structure chart；
Fig. 3 is that the utility model embodiment collapses state sectional view one；
Fig. 4 is that the utility model embodiment collapses state sectional view two；
Fig. 5 is the structure chart of the utility model embodiment first order support ring；
Fig. 6 is the structure chart of the utility model embodiment second level support ring；
Fig. 7 is that the structure of the utility model embodiment third level support ring is intended to；
Fig. 8 is the structure chart of the utility model embodiment fourth stage support ring；
Fig. 9 is the structure chart of the utility model embodiment final stage support ring.
Reference：1- springs, 2- long spiro nails, 3- support rings, 4- nuts, 5- clutch components, 6- ropes, 7- rubber gaskets；
21- long spiro nails；22- long spiro nails, 23- long spiro nails, 24- long spiro nails,
31- first order support rings, 32- second level support ring, 33- third level support rings, 34- fourth stages support ring 34,35-
Final stage support ring；
41- nuts, 42- nuts, 43- nuts, 44- nuts,
81- counterbores, 82- counterbores, 83- through holes, 84- mounting holes, 85- apertures.
Embodiment
Content of the present utility model is described in further detail below in conjunction with the drawings and specific embodiments：
The utility model proposes a kind of precision of expansion is high, structure type is simple, expansion reliability is high, expansion process is steady
And development mechanism applied widely.
Spring retractable deployable mechanism includes support ring 3, spring 1, rubber gasket 7, rope 6 and clutch component 5；Support ring
Including first order support ring 31, final stage support ring 35 and three intermediate supports rings, three intermediate supports rings are second level support ring
32nd, third level support ring 33 and fourth stage support ring 34, three intermediate supports rings are successively set on first order support ring 31 and end
Between level support ring 35；Clutch component 5 is blasting bolt or magnetic valve；
Spring is arranged between first order support ring outer peripheral face and final stage support ring outer peripheral face, and with first order support ring and
Final stage support ring connects；Mounting hole, blasting bolt or magnetic valve are set in first order support ring and final stage support ring through installation
Hole connects first order support ring and final stage support ring；Be provided with that long spiro nail 2 passes through in final stage support ring and intermediate supports ring is logical
Hole.Rubber gasket 7 is arranged on the second level to final stage support ring in the counterbore of fitting nut, and with the gluing fixation of contact surface.First
The aperture for connecting rope is additionally provided with level support ring and final stage support ring, one end of three ropes is set by aperture connection
Put in first order support ring, the other end is arranged in final stage support ring by aperture connection.
The utility model terminates development mechanism rounding state by blasting bolt or magnetic valve, when clutch component is blast spiral shell
Bolt, bolt fracture during igniting, final stage support ring depart from first order support ring, and the gathering of development mechanism terminates；Work as clutch component
For magnetic valve, electromagnetic force is disappeared when magnetic valve powers off, and spring handle closure member is pressed on valve seat, and valve is closed, electromagnetic wire during energization
Circle produces electromagnetic force and closure member is lifted from valve seat, and valve is opened, and final stage support ring departs from first order support ring, terminates exhibition
The rounding state of opening mechanism, while provide development mechanism axial driving force by compression spring, and multistage support ring and long spiro nail
Coordinate and determine expansion direction, the nut 4 and support ring aperture groove on long spiro nail, which coordinate, determines expanded position precision, and expansion is restricted afterwards in place
Rope is tightened and caused by during the rubber gasket of support ring adhesion and the cooperation of long spiro nail top nut can effectively reduce expansion
Impact shock, it is final to realize high accuracy expansion well.
Long spiro nail screw cap end is gluing be fixed on that first order support ring sets to fourth stage support ring with long spiro nail nut
End coordinates the counterbore of installation, installs three long spiro nails respectively per one-level support ring, long spiro nail passes through long spiral shell on secondary one level of support ring
The counterbore that fitting nut end coordinates installation is followed closely, and attaching nut is installed in long spiro nail end；Long spiro nail end and its attaching nut
The through hole passed through to higher level's long spiro nail and nut set in the support ring of time two level can be passed through.
As shown in Figures 1 to 9, flange tab at three is set in first order support ring 31, flange center set to it is quick-fried
Bolt or the mounting hole 84 of magnetic valve connection are fried, the aperture 85 at three with rope binding is set in first order support ring 31, the
The counterbore 81 for coordinating installation at three with long spiro nail screw cap end is set on one level of support ring 31；Wherein set in second level support ring 32
Coordinate the counterbore 81 installed with long spiro nail screw cap end at three, at three and long spiro nail fitting nut end is set in second level support ring 32
Coordinate the counterbore 82 of installation；The counterbore 81 for coordinating installation at three with long spiro nail screw cap end is wherein set in third level support ring 33,
The counterbore 82 for coordinating installation at three with long spiro nail fitting nut end is set in third level support ring 33, set in third level support ring 33
Put the through hole 83 passed through at three with higher level's long spiro nail and nut；Wherein set in fourth stage support ring 34 at three with long spiro nail nut
End coordinates the counterbore 81 of installation, and the counterbore for coordinating installation at three with long spiro nail fitting nut end is set in fourth stage support ring 34
82, the through hole 83 passed through at 6 with higher level's long spiro nail and nut is set in fourth stage support ring 34；Wherein set in final stage support ring 35
Put flange tab at three, the mounting hole 84 that flange center sets to be connected with blasting bolt or magnetic valve, final stage support ring
Aperture 85 with rope binding at three is set on 35, sets with long spiro nail fitting nut end to coordinate at three in final stage support ring 35 and pacifies
The counterbore 82 of dress, the through hole 83 passed through at 9 with higher level's long spiro nail and nut is set in final stage support ring 35.
It is development mechanism rounding state such as Fig. 2, blasting bolt or magnetic valve 5 connect first order support ring 31 and end at three
35,3 sections of rope connection first order support rings 31 of level support ring and final stage support ring 35, long spiro nail 2 are arranged on per one-level support ring 3
On, compression spring 1 is arranged between first order support ring 31 and final stage support ring 35, and nut 4 is arranged on the end of long spiro nail 2.
As shown in figure 3, first order support ring 31, second level support ring 32, third level support ring 33, fourth stage support ring 34
Rounding state is connected as by blasting bolt magnetic valve compression spring 1 with final stage support ring 35.3 long spiro nails 21 connect first order branch
32,3 screw cap ends of long spiro nail 21 of pushing out ring 31 and second level support ring are gluing respectively to be fixed in the counterbore 81 of first order support ring 31,
3 nuts 41 are separately mounted to the end of long spiro nail 21；3 rubber gaskets 71 are separately positioned in the counterbore 82 of second level support ring 32；3
Individual long spiro nail 23 connects third level support ring 33 and 34,3 screw cap ends of long spiro nail 23 of fourth stage support ring are gluing respectively is fixed on
In the counterbore 81 of third level support ring 33,3 nuts 43 are separately mounted to the end of long spiro nail 23；3 rubber gaskets 73 are separately positioned on
In the counterbore 82 of fourth stage support ring 34.
As shown in figure 4,3 long spiro nails 22 connect 33,3 spiral shells of long spiro nail 22 of second level support ring 32 and third level support ring
Cap end is gluing respectively to be fixed in the counterbore 81 of second level support ring 32, and 3 nuts 42 are separately mounted to the end of long spiro nail 22；3
Rubber gasket 72 is separately positioned in the counterbore 82 of third level support ring 33；3 long spiro nails 24 connect fourth stage support ring 34 and final stage
35,3 screw cap ends of long spiro nail 24 of support ring are gluing respectively to be fixed in the counterbore 81 of fourth stage support ring 34, and 3 nuts 44 are distinguished
Installed in the end of long spiro nail 24；3 rubber gaskets 74 are separately positioned in the counterbore 82 of final stage support ring 35.
As shown in figure 1, when blasting bolt magnetic valve 5 is lighted a fire and connected, the unblock of the utility model development mechanism, terminate to collapse
State, first order support ring 31 are fixed on motionless on payload platform, driving of remaining expansion module in the release elastic potential energy of spring 1
Under start to spread out.Spring 1 ejection promote under, final stage support ring 35 from counterbore 82 with spacing with long spiro nail 24, along long spiral shell
The motion of 24 directions is followed closely, until nut 44 reaches the counterbore 82 in final stage support ring 35, and now final stage support ring 35 passes through long spiral shell
The traction of nail 24 fourth stage support rings 34 continue from counterbore 82 with it is spacing with long spiro nail 23, moved along the direction of long spiro nail 23, up to
Nut 43 reaches the counterbore 82 in fourth stage support ring 34, and long spiro nail 24 and nut 44 realize fourth stage support ring 34 and final stage
Support ring 35 is rigidly connected, and then draws third level support ring along long spiro nail by long spiro nail 23 by fourth stage support ring 34 again
22 directions are moved, and the now end of long spiro nail 23 connection attaching nut 43 passes through the through hole 83 of final stage support ring 35, reaches the 4th
At counterbore 82 in level support ring 34, long spiro nail 23 and nut 43 realize third level support ring 33 and fourth stage support ring 34
It is rigidly connected, similarly until the expansion of second level support ring 32 is fixed, now realizes development mechanism in the case where deploying spring expansion force
Self-locking, at the same rope tighten produce absorb impact shock effect, all nuts 4 move to determine support ring counterbore in rubber cushion
The contact of circle 7, is able to carry out support rings at different levels spacing, while absorbs impact shock.Finally realize the utility model development mechanism
Whole expansion.
The scope of protection of the utility model is not limited to specific embodiment of the present utility model, for the skill of the art
For art personnel, under enlightenment of the present utility model, directly can exporting association from the utility model disclosure, some are former
Reason and structure identical basic deformation, or the replacement of known technology is commonly used in the prior art, and feature identical is mutually different
Combination, the technical characteristic of same or similar technique effect simply change, and belong to the protection domain of the utility model technology.
Claims (8)
- A kind of 1. spring retractable deployable mechanism, it is characterised in that：It is described including support ring, spring, rope and clutch component Support ring includes first order support ring, final stage support ring and N number of intermediate supports ring, and N number of intermediate supports ring is arranged on first order branch Between pushing out ring and final stage support ring, N is positive integer；Adjacent support ring is connected by long spiro nail, and the nut of described long spiro nail one end is fixedly installed on one of support ring In counterbore, long spiro nail other end attaching nut, the nut is arranged in the counterbore of another support ring；The through hole that long spiro nail passes through is provided with the final stage support ring and intermediate supports ring；The spring is arranged between first order support ring outer peripheral face and final stage support ring outer peripheral face, and with first order support ring and Final stage support ring connects；One end of the rope is connected in first order support ring, and the other end is connected in final stage support ring；Flange tab is provided with the first order support ring and final stage support ring, flange tab center is provided with mounting hole；The clutch component is through mounting hole connection first order support ring and final stage support ring, and deployable mechanism is in rounding state When, clutch component is closure state, and for deployable mechanism in released state, clutch component is released state.
- 2. spring retractable deployable mechanism according to claim 1, it is characterised in that：Also include rubber gasket, it is described Rubber gasket is arranged in the counterbore of installation nut.
- 3. spring retractable deployable mechanism according to claim 1, it is characterised in that：The first order support ring and end The aperture for connecting rope is additionally provided with level support ring, rope is connected by aperture and first order support ring and final stage support ring Connect.
- 4. according to the spring retractable deployable mechanism described in claim 1 or 2 or 3, it is characterised in that：The clutch component is Blasting bolt or magnetic valve.
- 5. spring retractable deployable mechanism according to claim 4, it is characterised in that：The quantity of the rope is three Root.
- 6. spring retractable deployable mechanism according to claim 5, it is characterised in that：The quantity of the intermediate supports ring For three.
- 7. spring retractable deployable mechanism according to claim 6, it is characterised in that：The nut of the long spiro nail is gluing It is fixed in counterbore.
- 8. spring retractable deployable mechanism according to claim 7, it is characterised in that：Pass through between adjacent support ring Three root long mode connects for screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720931584.3U CN207045791U (en) | 2017-07-28 | 2017-07-28 | A kind of spring retractable deployable mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720931584.3U CN207045791U (en) | 2017-07-28 | 2017-07-28 | A kind of spring retractable deployable mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207045791U true CN207045791U (en) | 2018-02-27 |
Family
ID=61496634
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720931584.3U Withdrawn - After Issue CN207045791U (en) | 2017-07-28 | 2017-07-28 | A kind of spring retractable deployable mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207045791U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111638619A (en) * | 2020-05-19 | 2020-09-08 | 北京航空航天大学 | Light small-size deployable film lens hood based on combined material buckled plate |
-
2017
- 2017-07-28 CN CN201720931584.3U patent/CN207045791U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111638619A (en) * | 2020-05-19 | 2020-09-08 | 北京航空航天大学 | Light small-size deployable film lens hood based on combined material buckled plate |
| CN111638619B (en) * | 2020-05-19 | 2021-08-20 | 北京航空航天大学 | Light small-size deployable film lens hood based on combined material buckled plate |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20180227 Effective date of abandoning: 20230411 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20180227 Effective date of abandoning: 20230411 |
|
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |