CN103032451B - Clamping stagnation prevention precision synchronization hinge - Google Patents
Clamping stagnation prevention precision synchronization hinge Download PDFInfo
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- CN103032451B CN103032451B CN201210562931.1A CN201210562931A CN103032451B CN 103032451 B CN103032451 B CN 103032451B CN 201210562931 A CN201210562931 A CN 201210562931A CN 103032451 B CN103032451 B CN 103032451B
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- 230000001360 synchronised effect Effects 0.000 claims abstract description 101
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- 238000005516 engineering process Methods 0.000 claims description 11
- 229910000737 Duralumin Inorganic materials 0.000 claims description 4
- 229910001374 Invar Inorganic materials 0.000 claims description 4
- 230000007246 mechanism Effects 0.000 abstract description 14
- 238000012545 processing Methods 0.000 abstract description 12
- 238000000034 method Methods 0.000 abstract description 5
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- 238000013461 design Methods 0.000 description 5
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- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 description 2
- 229910010271 silicon carbide Inorganic materials 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
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Abstract
A clamping stagnation prevention precision synchronization hinge relates to the technical field of space folding and unfolding mechanisms and solves the problems of complicated structure, high processing cost, low assembly precision and frequent situation of structural clamping stagnation failure. The synchronization hinge comprises a synchronization hinge rack connected with a truss structure, two sets of synchronization bevel gear structures mounted in a hollow cavity of the synchronization hinge rack, synchronization bevel gears and a hot-shoe clamping stagnation regulation pad; an assembly technique groove is formed on the synchronization hinge rack; each set of synchronization bevel gear structure comprises a synchronization bevel gear connecting frame which realizes connection with the synchronization hinge rack through coordination of a rotating shaft and the assembly technique groove; the bevel gears and the hot-shoe clamping stagnation regulation pad are in positioning connection with the synchronization bevel gear connecting frames through self-positioning fastening nails; and the two sets of synchronization bevel gear structures realize synchronous movement through mutual meshing of the two synchronization bevel gears. The synchronization hinge provided by the invention is simple in structure, very simple in processing and assembly and low in cost, effectively avoids clamping stagnation failure, improves the reliability of a synchronization unfolding mechanism, and is good in adaptability and wide in application.
Description
Technical field
The present invention relates to folding exhibition mechanism technology field, space, be specifically related to a kind of anti-clamping stagnation precision synchronous hinge.
Background technique
Synchronising hinge realizes by the steady engagement of a pair gear pair a kind of mechanism that company headquarters of institute part is synchronized with the movement, and this mechanism structure is simple, and reliability is high, uses extensively, especially gets more and more in the application of space folding exhibition field of mechanisms.Due to the restriction of carrier rocket carrying platform bulk, large space truss structures folds at launching phase and draws in carrier rocket carrying platform, after it enters the orbit arrival specified position, then is launched into expection working state, and realizes normal work.Synchronising hinge is because its advantage simple and reliable for structure is often by a large amount of synchronous expansion mechanism for the spaceborne truss of large space.
The prior art the most close with the present invention is that in Chinese Xiao Yong work Master's thesis " annular deployable Large-scale satellite Antenna Construction Design and research " literary composition, shown in the 58th page of Fig. 4 .3-15, spatial synchronization hinge combines.As shown in Figure 1, this spatial synchronization hinge composite structure comprises hinge mount 1 and two pairs of synchronous gears 2, connected by coupling shaft between hinge mount 1 and synchronous gear 2, coupling shaft two ends are provided with pad 3, two pairs of synchronous gears 2 rotate centered by coupling shaft, hinge mount 1 all can be connected with truss structure with two pairs of synchronous gears 2, and synchronous connector frame 4 and gear ring 6 are connected to become synchronous gear 2 by attachment pegs 5, and attachment pegs 5 has connection and origin reference location effect.The disadvantage of this spatial synchronization hinge combination is: complex structure, processing cost are high, assembly precision not easily ensures, structure clamping stagnation failure conditions has generation more, are unfavorable for the raising of the synchronous expansion mechanism reliability of the spaceborne truss of large space.
Summary of the invention
In order to solve complex structure, processing cost is high, assembly precision is low, structure clamping stagnation failure conditions is many problem that existing space synchronising hinge composite structure exists, the invention provides a kind of anti-clamping stagnation precision synchronous hinge of simple and reliable for structure, low cost, high assembly precision.
The technological scheme that the present invention adopts for technical solution problem is as follows:
A kind of anti-clamping stagnation precision synchronous hinge, this synchronising hinge comprises:
The synchronising hinge frame be connected with truss structure, described synchronising hinge frame is provided with assembly technology groove;
Be arranged on two groups of synchronous cone toothings in the hollow cavity of described synchronising hinge frame, described synchronous cone toothing of often organizing includes: realized the synchronous cone tooth link press span be connected with described synchronising hinge frame by rotating shaft and the cooperation of assembly technology groove; Located the synchronous cone tooth and hot shoe clamping stagnation spacer that are connected by self-align clench nail and described synchronous cone tooth link press span, two groups of synchronous cone toothings are synchronized with the movement by the realization that engages each other of two synchronous cone teeth.
Described synchronous cone tooth link press span with synchronising hinge frame is provided with the interface that can be connected with truss structure.
Described two synchronous cone teeth are respectively 1/3 circumferential section with first-class bottom clearance straight bevel gear.
This synchronising hinge also comprises: the spacing circlip being arranged on described rotating shaft and described assembly technology groove joint.
The small end face of described synchronous cone tooth contacts with described hot shoe clamping stagnation spacer, leaves adjusting play between the large end face of described synchronous cone tooth and described synchronous cone tooth link press span.
Described hot shoe clamping stagnation spacer adopts invar, TC4 or duralumin to make.
Described adjustment pad adopts Cuprum alloy to make.
Good effect of the present invention is:
1, the synchronous cone tooth 8 that in the synchronising hinge frame 13 in the present invention, two are placed in pairs is respectively 1/3 circumferential section of same straight bevel gear, their parameter is consistent, virtual gear modulus is equal respectively with pressure angle and crossed axis angle forms an angle, and effectively can avoid the clamping stagnation failure conditions of the synchronising hinge caused by processing and assembling error;
2, the hot shoe clamping stagnation spacer 9 in the present invention can require to carry out compensation design according to the Environmental Conditions of synchronising hinge, thus make this synchronising hinge possess anti-clamping stagnation function in certain operating temperature range, this will be conducive to the raising of large space truss structures synchronous expansion mechanism reliability, can realize synchronising hinge move without clamping stagnation by choose reasonable hot shoe clamping stagnation spacer 9 with the material and size that adjust pad 12;
3, synchronising hinge structure of the present invention is simple, very easily process and assemble, avoid the manufacturing difficult problem caused by Complex Assembled Structure, significantly can reduce structural member processing and debug cost, shorten the process-cycle, the processing mode of this synchronising hinge simple for structureization simultaneously, can improve its safety and reliability greatly, is an extremely important performance assessment criteria in the development of space item;
4, synchronising hinge of the present invention utilizes simple and reliable structure to realize the synchronous expansion function of high-precision large space truss structures, and it adopts anti-clamping stagnation design method, the clamping stagnation that efficiently avoid synchronising hinge lost efficacy, be beneficial to very much the raising of large space truss structures synchronous expansion mechanism reliability, adaptability is better, using scope is extensive, is particularly useful for space development mechanism.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of existing spatial synchronization hinge composite structure;
Fig. 2 is the structural representation of synchronous gear in existing spatial synchronization hinge composite structure;
Fig. 3 is the structural representation of a kind of anti-clamping stagnation precision synchronous hinge of the present invention;
Fig. 4 is the structural representation of the anti-clamping stagnation precision synchronous hinge inner in Fig. 3;
Fig. 5 is the half sectional view of the anti-clamping stagnation precision synchronous hinge inner in Fig. 4.
In figure: 1, hinge mount, 2, synchronous gear, 3, pad, 4, synchronous connector frame, 5, attachment pegs, 6, gear ring, 7, synchronous cone tooth link press span, 8, synchronous cone tooth, 9, hot shoe clamping stagnation spacer, 10, rotating shaft, 11, self-align clench nail, 12, adjustment pad, 13, synchronising hinge frame, 14, spacing circlip, 15, assembly technology groove, 16, interface.
Embodiment
Below in conjunction with accompanying drawing, the present invention is described in further detail.
As shown in Figure 3, anti-clamping stagnation precision synchronous hinge of the present invention is composite unit structure, primarily of synchronous cone tooth link press span 7, synchronous cone tooth 8, hot shoe clamping stagnation spacer 9 and synchronising hinge frame 13 form, the main body of this synchronising hinge is synchronising hinge frame 13, processing and reference for assembling are provided, it is connected with truss structure coupling rod, it is the main motion parts of whole large space truss structures synchronous expansion mechanism, synchronising hinge frame 13 is a hollow cavity, be provided with the assembly technology groove 15 as equipment adjustment window, for realizing the connection with synchronous cone tooth link press span 7, fixed angle on synchronising hinge frame 13 realizes the calibration function that truss structure connects, this fixed angle is the connection angle of truss structure, synchronous cone tooth link press span 7, synchronous cone tooth 8 and hot shoe clamping stagnation spacer 9 form synchronous cone toothing, the present invention comprises two groups of synchronous cone toothings, first synchronous cone tooth 8 and hot shoe clamping stagnation spacer 9 to be located with synchronous cone tooth link press span 7 by the self-align clench nail 11 with self-align and connection function and be connected together, and then the synchronous cone toothing that synchronous cone tooth link press span 7, synchronous cone tooth 8 and hot shoe clamping stagnation spacer 9 form is connected with synchronising hinge frame 13 with the cooperation of assembly technology groove 15 by rotating shaft 10 again, two groups of synchronous cone toothings are synchronized with the movement by the realization that engages each other of two synchronous cone teeth 8.
As shown in Figure 4, synchronous cone tooth link press span 7 being provided with the central through bore for installing rotating shaft 10, being also provided with the interface 16 that is connected with truss structure coupling rod and three screw holes for installing self-align clench nail 11.
As shown in Figure 5, first synchronous cone tooth 8 is arranged on synchronous cone tooth link press span 7, and then hot shoe clamping stagnation spacer 9 is arranged on the interstitial site between synchronous cone tooth 8 and synchronous cone tooth link press span 7, the small end face of synchronous cone tooth 8 contacts with hot shoe clamping stagnation spacer 9, adjusting play is left between the large end face of synchronous cone tooth 8 and synchronous cone tooth link press span 7, the thickness size of adjustment hot shoe clamping stagnation spacer 9 and material properties can make this synchronising hinge possess anti-clamping stagnation function in certain temperature range, ensure that accuracy and the positioning repeatability of assembling.
Above-mentioned small end face and large end face are all positioned on synchronous cone tooth 8, are comparatively speaking, refer to two sides of synchronous cone tooth 8 respectively.
After above-mentioned synchronous cone tooth link press span 7, synchronous cone tooth 8, hot shoe clamping stagnation spacer 9 are located by connecting by self-align clench nail 11, be connected and fixed by rotating shaft 10, adjustment pad 12 and spacing circlip 14 again, and accurately debug location by the engagement situation of the assembly technology groove 15 pairs of synchronous cone teeth 8 on hot shoe clamping stagnation spacer 9, adjustment pad 12 and synchronising hinge frame 13.
In synchronising hinge frame 13, two synchronous cone teeth 8 placed in pairs engage each other, realize being synchronized with the movement of the synchronous cone tooth link press span 7 be attached thereto, the synchronous cone tooth 8 of two paired placements is respectively 1/3 circumferential section with first-class bottom clearance straight bevel gear, the parameter of two synchronous cone teeth 8 is consistent, virtual gear modulus is equal respectively with pressure angle, and crossed axis angle forms an angle, the impact that the processing and assembling error reducing synchronous cone tooth 8 is moved on synchronising hinge, ensure that the processing parameter of two intermeshing synchronous cone teeth 8, the conformity of virtual gear modulus and pressure angle, the processing of synchronous cone tooth 8 can be improved and debug precision, effectively prevent the clamping stagnation failure conditions of the synchronising hinge caused by processing and assembling error.
In precision optical machinery, because the operating conditions of gear is different, the damage type of the gear teeth is also different, therefore, the operating conditions that synchronous cone tooth 8 is different according to it, scope and movement velocity scope etc. as the size of load and character, temperature variation select the material of different performance, generally for the gear that transmitted load is larger, often select the combination property such as intensity, hardness good 45Cr, 40Cr etc.; For the gear of frangibility after being hit, often select the good 20Cr of toughness etc.; For the gear requiring lighter in weight, often select plastics or light metal 2A12 etc.
Synchronous cone tooth link press span 7 and synchronising hinge frame 13 are provided with the interface 16 be connected with truss structure coupling rod, the rotation of large space truss structures synchronous expansion mechanism can be made to realize synchronous, and truss structure coupling rod can draw in synchronising hinge frame 13 when truss structure draws in by synchronising hinge frame 13 left and right sides protrusion cavity, plays Shi Hanzhang and the effect of tightening up truss structure coupling rod.
Hot shoe clamping stagnation spacer 9 can require to carry out compensation design according to the Environmental Conditions of synchronising hinge of the present invention, the thickness size of hot shoe clamping stagnation spacer 9 and material can be used as the parametric variable of this synchronising hinge compensation design, thus make this synchronising hinge in certain temperature range, have anti-clamping stagnation function, be conducive to the raising of large space truss structures synchronous expansion mechanism reliability.
Hot shoe clamping stagnation spacer 9 can select the adjustable invar of material thermal expansion coefficient (Invar) material, TC4 and duralumin etc.
Repair the meshing relation that the thickness grinding hot shoe clamping stagnation spacer 9 and adjustment pad 12 can adjust two synchronous cone teeth 8 in synchronising hinge frame 13, ensure stationarity and the ensuring smooth transmission of engagement driving, adjustment pad 12 can select the Cuprum alloy etc. of rub resistance selflubricating.
Synchronous cone tooth link press span 7, rotating shaft 10 and synchronising hinge frame 13 can select duralumin, hard alumin ium alloy 2A12, or select that tensile strength is higher, the better titanium alloy of processibility, or select the materials such as high/low body part aluminum-base silicon carbide SiC/Al.
Claims (4)
1. an anti-clamping stagnation precision synchronous hinge, it is characterized in that, this synchronising hinge comprises:
The synchronising hinge frame (13) be connected with truss structure, described synchronising hinge frame (13) is provided with assembly technology groove (15);
Be arranged on two groups of synchronous cone toothings in the hollow cavity of described synchronising hinge frame (13), often organize synchronous cone toothing and include: realized the synchronous cone tooth link press span (7) be connected with described synchronising hinge frame (13) by rotating shaft (10) and the cooperation of assembly technology groove (15); Located the synchronous cone tooth (8) and hot shoe clamping stagnation spacer (9) that are connected by self-align clench nail (11) and described synchronous cone tooth link press span (7), two groups of synchronous cone toothings are synchronized with the movement by the realization that engages each other of two synchronous cone teeth (8);
Described two synchronous cone teeth (8) are respectively 1/3 circumferential section with first-class bottom clearance straight bevel gear;
The small end face of described synchronous cone tooth (8) contacts with described hot shoe clamping stagnation spacer (9), leaves adjusting play between the large end face of described synchronous cone tooth (8) and described synchronous cone tooth link press span (7).
2. one according to claim 1 anti-clamping stagnation precision synchronous hinge, is characterized in that, described synchronous cone tooth link press span (7) with synchronising hinge frame (13) is provided with the interface (16) that can be connected with truss structure.
3. one according to claim 1 anti-clamping stagnation precision synchronous hinge, is characterized in that, also comprise: the spacing circlip (14) being arranged on described rotating shaft (10) and described assembly technology groove (15) joint.
4. one according to claim 1 anti-clamping stagnation precision synchronous hinge, is characterized in that, described hot shoe clamping stagnation spacer (9) adopts invar, TC4 or duralumin to make.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210562931.1A CN103032451B (en) | 2012-12-21 | 2012-12-21 | Clamping stagnation prevention precision synchronization hinge |
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| CN201210562931.1A CN103032451B (en) | 2012-12-21 | 2012-12-21 | Clamping stagnation prevention precision synchronization hinge |
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| CN103032451B true CN103032451B (en) | 2015-04-22 |
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| CN104345788B (en) * | 2013-08-09 | 2018-10-12 | 联想(北京)有限公司 | A kind of shaft and electronic equipment |
| CN104976335B (en) * | 2015-05-22 | 2019-01-04 | 武汉大学 | A kind of adjustable planetary gear of amount of floating carries relocation mechanism |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3218482B2 (en) * | 1992-11-19 | 2001-10-15 | 日本電気エンジニアリング株式会社 | Antenna deployment device |
| CN101607628B (en) * | 2008-06-16 | 2011-01-26 | 中国国际海运集装箱(集团)股份有限公司 | Folding box hinge and folding box |
| CN101325276B (en) * | 2008-07-30 | 2012-01-04 | 中国航天科技集团公司第五研究院第五○四研究所 | Mechanism for managing network surface of annular netted antenna |
| CN201523070U (en) * | 2009-08-31 | 2010-07-07 | 西安空间无线电技术研究所 | Satellite borne extensible reflector synchronous hinge device |
| CN201874977U (en) * | 2010-08-18 | 2011-06-22 | 鸿富锦精密工业（深圳）有限公司 | Hinge structure |
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Denomination of invention: Clamping stagnation prevention precision synchronization hinge Effective date of registration: 20170718 Granted publication date: 20150422 Pledgee: Jilin nine rural commercial bank, Limited by Share Ltd Changchun branch Pledgor: CHANGGUANG SATELLITE TECHNOLOGY CO., LTD. Registration number: 2017220000004 |
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Denomination of invention: Anti jamming precision synchronous hinge Effective date of registration: 20211125 Granted publication date: 20150422 Pledgee: Agricultural Bank of China Limited Changchun Development Zone sub branch Pledgor: CHANG GUANG SATELLITE TECHNOLOGY Co.,Ltd. Registration number: Y2021220000105 |
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Address after: No. 1299, Mingxi Road, Beihu science and Technology Development Zone, Changchun City, Jilin Province Patentee after: Changguang Satellite Technology Co.,Ltd. Address before: No.1759 Mingxi Road, Gaoxin North District, Changchun City, Jilin Province Patentee before: CHANG GUANG SATELLITE TECHNOLOGY Co.,Ltd. |
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