CN109733646A - A kind of elastic compensation drawstring retaining mechanism - Google Patents
A kind of elastic compensation drawstring retaining mechanism Download PDFInfo
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- CN109733646A CN109733646A CN201811653749.0A CN201811653749A CN109733646A CN 109733646 A CN109733646 A CN 109733646A CN 201811653749 A CN201811653749 A CN 201811653749A CN 109733646 A CN109733646 A CN 109733646A
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- drawstring
- retaining mechanism
- compressed spring
- guiding
- adjusting screw
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Abstract
The present invention provides a kind of elastic compensation drawstring retaining mechanism, including mounting seat, compressed spring, T shape sliding sleeve, adjusting screw, guiding collect set, drawstring, holding screw；Through-hole is arranged in the bottom center of mounting seat, for drawstring by with exit, the external screw thread of certain depth is arranged in side, the installation of set is collected in the preloading and guiding for compressed spring；The screw thread of the outside setting sufficient length of adjusting screw, to guarantee its enough adjusting range, through-hole is arranged in center, so that drawstring passes through and axial activity, top setting limit taper hole, to limit the next radial and axial movement of pull rope lock.The present invention solves the cordage such as Kevlar, high-strength polyethylene when directly applying to the loaded locking of the expandable types component such as solar array, folded antenna because of the problems such as locking existing for drawstring creep is difficult, pulling force decaying is fast, and the tensile force for being suitable for thermal cutting can be provided to drawstring, make it possible larger loaded application of the fiber-like drawstring in retaining mechanism.
Description
Technical field
The present invention relates to spacecraft locking technical field more particularly to a kind of elastic compensation drawstring retaining mechanisms.
Background technique
Currently, the gathering locking of the expandable types component such as spacecraft solar array, folded antenna generally passes through bolt, inserts
Pin etc. is directly rigidly connected, such traditional retaining mechanism has many advantages, such as that high reliablity, coupling stiffness are high, is commonly used to
Associated components unlocks connection on relatively large spacecraft.But unlocking mechanism principle and structure corresponding to such retaining mechanism
It is more complicated, and have the shortcomings that manufacturing cost is high, unlock impact is big and possibly even generate pollutant.With current spacecraft
Miniaturization, lightweight development trend, especially microsatellite manufacture, the fast development of application field, such retaining mechanism is
Obviously it is not able to satisfy the demand of field technology development.Small-sized spacecraft especially microsatellite solar array, folding nature etc.
Expandable type component puts forward new requirements retaining mechanism, the small, manufacturing cost including simple and compact for structure and weight
Low, connection is reliably, unlock impact is small, pollution-free etc..
The cordage such as existing Kevlar, high-strength polyethylene are because it is high with tensile strength, space environment stability is good
Outstanding advantages of be widely used in spacecraft.Moreover, such fiber rope locking mechanism is settable to meet compact-sized, weight
The small-sized unlocking mechanism of the requirements such as small is impacted in small, at low cost, unlock, is met current and later especially micro- in small-sized spacecraft
Application requirement on moonlet.However, generated due to the uncontrollable creep of the cordage such as Kevlar, high-strength polyethylene
Pulling force decaying makes in the retaining mechanism of its stable for extended periods of time in the case where requiring larger loaded condition using limited.
Therefore, solve the problems, such as that the cordage such as Kevlar, high-strength polyethylene are steady in a long-term under larger loaded condition,
The extension for being used for range has the meaning of reality.
Summary of the invention
In order to solve the problems in the prior art, the present invention provides providing a kind of elastic compensation drawstring retaining mechanism,
It solves the cordage such as Kevlar, high-strength polyethylene and is directly applying to the expandable types component such as solar array, folded antenna
Because of the problems such as locking existing for drawstring creep is difficult, pulling force decaying is fast when loaded locking, and can provide to drawstring suitable for heat
The tensile force of cutting makes it possible that fiber-like drawstring is locking the larger loaded application in relieving mechanism.The present invention is specifically led to
Following technical solution is crossed to realize:
A kind of elastic compensation drawstring retaining mechanism, the retaining mechanism include: mounting seat, compressed spring, T shape cunning
Set, adjusting screw, guiding collect set, drawstring, holding screw；Through-hole is arranged in the bottom center of the mounting seat, is used for drawstring
By with exit, the external screw thread of the side of mounting seat setting certain depth, for compressed spring preloading and
Guiding collects the installation of set；The T shape sliding sleeve, adjusting screw are installed on the guiding and collect in set, the T shape sliding sleeve center
The screw thread of sufficient length is set, to provide adjusting screw enough adjusting ranges；The guiding collects set one end setting annular
Top surface, with guarantee after unlock T shape sliding sleeve can be blocked and collect, adjusting screw can retain enough backward travels；Institute
Stating the side that guiding collection covers, there are one fixed width cylindrical surfaces, to guarantee the radial direction after compressed spring-T shape slide bushing assembly is loaded
Stablize.
As a further improvement of the present invention, it is described guiding collect set setting certain depth internal screw thread, with guarantee its with
Mounting seat is connected and fixed, and sufficiently large hole is arranged in side, to observe, measure state and compression after compressed spring locking
Amount.
As a further improvement of the present invention, the guide section of the T shape sliding sleeve setting sufficient length, to maintain compression bullet
Spring is in the stability with release movement that is pressurized.
As a further improvement of the present invention, the screw thread of the outside setting sufficient length of the adjusting screw, to guarantee it
Through-hole is arranged in enough adjusting ranges, the adjusting screw center, so that drawstring passes through and axial activity, top setting limit
Taper hole, to limit the next radial and axial movement of pull rope lock.
As a further improvement of the present invention, compressed spring setting and drawstring load rigidity relevant with deformation and
Decrement, so that its elastic compensating performance is optimal level.
As a further improvement of the present invention, solidification point is arranged in drawstring setting length both ends, and carries out composite curing
Processing is to improve its rigidity and bearing capacity.
As a further improvement of the present invention, groove is arranged in the holding screw top, so that tool is tightened；End
End setting certain depth counterbore, so that the drawstring end limits and solidifies.
As a further improvement of the present invention, when the retaining mechanism is locked, described drawstring one end passes through holding screw quilt
Fastening positioning, another free end pass sequentially through mounting seat, compressed spring, T shape sliding sleeve, adjusting screw, and in adjusting screw
Top surface is fastened；The decrement of compressed spring is adjusted by rotation adjusting screw to achieve the purpose that adjust drawstring and set pulling force；
Guiding collects set and screws in mounting seat flank threads, and medial surface and the cooperation of shape sliding sleeve 3 provide radial limit；Its lateral aperture can
For being observed compressed spring and being measured.
As a further improvement of the present invention, when the retaining mechanism unlocks, constant loaded drawstring is cut off, compression
Spring abrupt release is by compression displacement and T shape sliding sleeve-adjusting screw component is pushed to be axially moved along guiding collection set inside, really
Paula rope is completely severed and fracture end exits cutting region in time；Finally, T shape sliding sleeve top surface, which moves to guiding, collects set bottom
Face is simultaneously collected in this.
The beneficial effects of the present invention are: compared with prior art, elastic compensating retaining mechanism advantage of the invention is:
Structure is simple, reliable in action, batch micro operations easy to accomplish and popularization and application；Mechanism coupling mechanism force is adjustable, and remaining coupling mechanism force can be surveyed
Amount；Solve the problems, such as fiber-like drawstring directly it is loaded during because creep generate pulling force decay it is too fast；Reduce drawstring
System resilience coefficient improves its anti-interference ability in the use environments such as vibration, high/low temperature variation.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of elastic compensating retaining mechanism of the invention；
Fig. 2 is mounting seat schematic diagram of the invention；
Fig. 3 is T shape sliding sleeve schematic diagram of the invention；
Fig. 4 is adjusting screw schematic diagram of the invention；
Fig. 5 is that guiding of the invention collects set schematic diagram；
Fig. 6 is processing rear-pulling rope schematic diagram；
Fig. 7 is holding screw schematic diagram of the invention；
Schematic diagram when Fig. 8 is retaining mechanism locking of the invention；
Schematic diagram when Fig. 9 is retaining mechanism unlock of the invention；
Figure 10 is cross-sectional view of the Fig. 9 along median line.
Specific embodiment
The present invention is further described for explanation and specific embodiment with reference to the accompanying drawing.
As shown in Figure 1, mini elastic of the invention compensates retaining mechanism, including mounting seat 1, compressed spring 2, T shape are slided
Set 3, adjusting screw 4, guiding collect set 5, drawstring 6, holding screw 7.
As shown in Fig. 2, through-hole 8 is arranged in the bottom center of the mounting seat 1, for drawstring by with exit.Side
The external screw thread 9 of certain depth is set, and the installation of set 5 is collected in the preloading and guiding for compressed spring 2.
The setting of compressed spring 2 loads rigidity relevant with deformation and decrement to drawstring 6, so that its elastic compensating
Performance is optimal level.
As shown in figure 3, the guide section 10 of sufficient length is arranged in the T shape sliding sleeve 3, to maintain compressed spring 2 being pressurized and
The stability of release movement.The screw thread 11 of sufficient length is arranged in center, to provide adjusting screw 4 enough adjusting ranges.
As shown in figure 4, the screw thread 12 of the outside setting sufficient length of the adjusting screw 4, to guarantee its enough adjustment
Range.Through-hole 13 is arranged in center, so that drawstring passes through and axial activity.Top setting limit taper hole 14, to limit drawstring locking
Radial and axial movement afterwards.
As shown in figure 5, the guiding collects the internal screw thread 15 of 5 setting certain depth of set, to guarantee itself and mounting seat 1
Be connected and fixed.Sufficiently large hole 16 is arranged in side, to observe, measure state and decrement after compressed spring 2 is locked.Side
There are one fixed width cylindrical surfaces 17 in face, to guarantee that the radial direction after compressed spring 2-T shape 3 components of sliding sleeve are loaded is stablized.One end setting
Annular top surface 18, with guarantee after unlock T shape sliding sleeve 3 can be blocked and collect, adjusting screw 4 can retain it is enough after
Regression journey.
As shown in fig. 6, the drawstring 6 can choose unlike material, form of presentation and specification according to loading conditions, setting
Solidification point 19,20 is arranged in length both ends, and carries out composite curing processing to improve its rigidity and bearing capacity.
The holding screw 7 is as shown in fig. 7, " one " or " ten " connected in star 21 is arranged in top, so that tool is tightened.
Certain depth counterbore 22 is arranged in end, so that 6 end of drawstring limits and solidifies.
When elastic compensating retaining mechanism of the invention is locked, as shown in figure 8,6 one end of drawstring is embedded in by holding screw 7
Counterbore 22 simultaneously forms solidification point 20, and it is sliding that another free end passes sequentially through 1 central through hole 8 of mounting seat, compressed spring 2, T shape
3 central through holes 11,4 central through hole 13 of adjusting screw are covered, and form solidification point 19 in 7 top surface limit hole 14 of adjusting screw.Its
In, the moulding mechanism of two solidification points 19, the 20 application composite material of drawstring 6 carries out curing process, and it is solid to substantially increase drawstring
Surely the rigidity located, reduces stretcher strain.At this point, compressed spring 2 is compressed, drawstring 6 is stretched, the two is composed in series elasticity
The smaller quasi- elastic system of coefficient, the system output loads act on the axial compression of solar array one, two；The system has
Much smaller than the coefficient of elasticity of drawstring, therefore its loaded sensibility to drawstring creep substantially reduces.
When needing, adjusted by rotating the decrement of the adjustable compressed spring 2 of screw thread 12 of adjusting screw 4 with reaching
Set the purpose that drawstring 6 carries pulling force.Guiding collects 5 internal screw threads 15 of set and screws in 1 side external screw thread 9 of mounting seat, cylindrical surface
17 insides are with the cooperation of T shape sliding sleeve 3 to provide radial limit；Its lateral aperture 16 is observed for the decrement to compressed spring 2
And measurement.
Compared with optimal setting are as follows: 3 top surface of T shape sliding sleeve and guiding collect 5 annular bottom surfaces 18 of set and enough distances are arranged, to protect
Card drawstring 6 can exit cutting region after cutting off completely；7 top surface of adjusting screw expose to guiding collect set 5 annular bottom surfaces 18 it
Outside, to avoid the unexpected interference of generation between it；5 side openings 16 of set are collected by guiding, can directly observe and measure this indirectly
When compressed spring 2 decrement.
As shown in figure 9, loaded drawstring 6 is cut off, 2 abrupt release of compressed spring when elastic compensating retaining mechanism unlocks
By compression displacement and 4 component of T shape sliding sleeve 3- adjusting screw is pushed to be axially moved on the inside of 5 cylindrical surfaces 17 of guiding collection set, it is ensured that
Drawstring 6 is completely severed and fracture end exits cutting region in time.Finally, 3 top surface of T shape sliding sleeve, which moves to guiding, collects 5 rings of set
Shape bottom surface 18 is simultaneously limited in this, and 2 residual compression amount of compressed spring guarantees that T shape sliding sleeve 3 and guiding collect 5 compression fits of set,
Each part after guaranteeing unlock is still relatively stable.
The above description is only a preferred embodiment of the present invention, is not intended to limit the scope of the invention, all utilizations
Equivalent structure or equivalent flow shift made by description of the invention and accompanying drawing content is applied directly or indirectly in other phases
The technical field of pass, is included within the scope of the present invention.
For those of ordinary skill in the art, without departing from the inventive concept of the premise, if can also make
Simple deduction or replace are done, all shall be regarded as belonging to protection scope of the present invention.
Claims (9)
1. a kind of elastic compensation drawstring retaining mechanism, it is characterised in that: the retaining mechanism includes mounting seat, compression bullet
Spring, T shape sliding sleeve, adjusting screw, guiding collect set, drawstring, holding screw；Through-hole is arranged in the bottom center of the mounting seat,
For drawstring by with exit, the external screw thread of the side setting certain depth of the mounting seat, for the pre- of compressed spring
Load and guiding collect the installation of set；The T shape sliding sleeve, adjusting screw are installed on the guiding and collect in set, and the T shape is sliding
The screw thread of sufficient length is arranged in set center, to provide adjusting screw enough adjusting ranges；The guiding collects the setting of set one end
Annular top surface, with guarantee after unlock T shape sliding sleeve can be blocked and collect, adjusting screw can retain it is enough after regression
Journey；There are one fixed width cylindrical surfaces for the side of the guiding collection set, after guaranteeing that compressed spring-T shape slide bushing assembly is loaded
It is radial to stablize.
2. retaining mechanism according to claim 1, it is characterised in that: the guiding collects the interior spiral shell of set setting certain depth
Line, to guarantee its being connected and fixed with mounting seat, sufficiently large hole is arranged in side, after observing, measure compressed spring locking
State and decrement.
3. retaining mechanism according to claim 1, it is characterised in that: the guide section of the T shape sliding sleeve setting sufficient length,
To maintain compressed spring in the stability with release movement that is pressurized.
4. retaining mechanism according to claim 1, it is characterised in that: the outside setting sufficient length of the adjusting screw
Screw thread, to guarantee its enough adjusting range, through-hole is arranged in the adjusting screw center, so that drawstring passes through and axial activity,
Top setting limit taper hole, to limit the next radial and axial movement of pull rope lock.
5. retaining mechanism according to claim 1, it is characterised in that: the compressed spring setting and drawstring load and deformation
Relevant rigidity and decrement, so that its elastic compensating performance is optimal level.
6. retaining mechanism according to claim 1, it is characterised in that: solidification point is arranged in drawstring setting length both ends,
And composite curing processing is carried out to improve its rigidity and bearing capacity.
7. retaining mechanism according to claim 1, it is characterised in that: groove is arranged in the holding screw top, for work
Tool is tightened；Certain depth counterbore is arranged in end, so that the drawstring end limits and solidifies.
8. retaining mechanism according to claim 1, it is characterised in that: when the retaining mechanism is locked, described drawstring one end
It is positioned by holding screw by fastening, another free end passes sequentially through mounting seat, compressed spring, T shape sliding sleeve, adjustment spiral shell
Nail, and fastened in adjusting screw top surface；The decrement of compressed spring is adjusted by rotation adjusting screw to reach adjustment drawstring
Set the purpose of pulling force；Guiding collects set and screws in mounting seat flank threads, and medial surface and the cooperation of shape sliding sleeve 3 provide radial limit
Position；Its lateral aperture is for observing compressed spring and measured.
9. retaining mechanism according to claim 1, it is characterised in that: when the retaining mechanism unlocks, constant loaded drawing
Rope is cut off, and compressed spring abrupt release is by compression displacement and T shape sliding sleeve-adjusting screw component is pushed to collect set inside along guiding
It is axially moved, it is ensured that drawstring is completely severed and fracture end exits cutting region in time；Finally, T shape sliding sleeve top surface moves to and leads
To collection set bottom surface and it is collected in this.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811653749.0A CN109733646B (en) | 2018-12-29 | 2018-12-29 | Elastic compensation type stay cord locking mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811653749.0A CN109733646B (en) | 2018-12-29 | 2018-12-29 | Elastic compensation type stay cord locking mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109733646A true CN109733646A (en) | 2019-05-10 |
| CN109733646B CN109733646B (en) | 2022-03-18 |
Family
ID=66363051
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811653749.0A Active CN109733646B (en) | 2018-12-29 | 2018-12-29 | Elastic compensation type stay cord locking mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109733646B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112918704A (en) * | 2021-01-22 | 2021-06-08 | 中国科学院沈阳自动化研究所 | Mechanism for optimizing spacecraft solar sailboard to overcome rocket launching mechanical environment |
| CN114963892A (en) * | 2021-02-19 | 2022-08-30 | 北京九天微星科技发展有限公司 | Connecting and unlocking device suitable for multi-satellite separation |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6742745B2 (en) * | 2001-11-01 | 2004-06-01 | Michigan Aerospace Corporation | Autonomous satellite docking system |
| CN103264775A (en) * | 2013-04-23 | 2013-08-28 | 上海卫星工程研究所 | Flexible rope pressing device and using method |
| CN104901250A (en) * | 2015-06-11 | 2015-09-09 | 张兴莲 | Overhead metal line length change compensation device |
| CN105864360A (en) * | 2016-03-30 | 2016-08-17 | 上海卫星工程研究所 | Tensional cable assembly applied to flexible pressing and releasing device of spacecraft |
-
2018
- 2018-12-29 CN CN201811653749.0A patent/CN109733646B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6742745B2 (en) * | 2001-11-01 | 2004-06-01 | Michigan Aerospace Corporation | Autonomous satellite docking system |
| CN103264775A (en) * | 2013-04-23 | 2013-08-28 | 上海卫星工程研究所 | Flexible rope pressing device and using method |
| CN104901250A (en) * | 2015-06-11 | 2015-09-09 | 张兴莲 | Overhead metal line length change compensation device |
| CN105864360A (en) * | 2016-03-30 | 2016-08-17 | 上海卫星工程研究所 | Tensional cable assembly applied to flexible pressing and releasing device of spacecraft |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112918704A (en) * | 2021-01-22 | 2021-06-08 | 中国科学院沈阳自动化研究所 | Mechanism for optimizing spacecraft solar sailboard to overcome rocket launching mechanical environment |
| CN114963892A (en) * | 2021-02-19 | 2022-08-30 | 北京九天微星科技发展有限公司 | Connecting and unlocking device suitable for multi-satellite separation |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109733646B (en) | 2022-03-18 |
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Address after: 518000 whole building of satellite building, 61 Gaoxin South Jiudao, Yuehai street, Nanshan District, Shenzhen City, Guangdong Province Patentee after: Shenzhen Aerospace Dongfanghong Satellite Co.,Ltd. Address before: 518000 whole building of satellite building, 61 Gaoxin South Jiudao, Yuehai street, Nanshan District, Shenzhen City, Guangdong Province Patentee before: AEROSPACE DONGFANGHONG DEVELOPMENT Ltd. |
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