CN104201481A - Scissors fork linkage type foldable pillbox antenna mechanism - Google Patents
Scissors fork linkage type foldable pillbox antenna mechanism Download PDFInfo
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- CN104201481A CN104201481A CN201410465635.9A CN201410465635A CN104201481A CN 104201481 A CN104201481 A CN 104201481A CN 201410465635 A CN201410465635 A CN 201410465635A CN 104201481 A CN104201481 A CN 104201481A
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Abstract
The invention relates to a foldable pillbox antenna mechanism, in particular to a scissors fork linkage type foldable pillbox antenna mechanism, in order to solve the problem that an existing antenna mechanism has defects of low rigidity, surface accuracy, folding rate and unfolding reliability and the like. The scissors fork linkage type foldable pillbox antenna mechanism comprises a first antenna body, a second antenna body, a slow releasing mechanism, a plurality of rotary torsional spring driving hinges, a first synchronizing wheel, a second synchronizing wheel, a driving rope, a first motor and a plurality of locking mechanisms, and the first antenna body is a rectangular frame composed of a plurality of first support frames, three locking and folding arms and a plurality of scissors type synchronous driving mechanisms, and the first support frames are arranged in parallel side by side. The scissors fork linkage type foldable pillbox antenna mechanism is used for the wireless communication field.
Description
Technical field
The present invention relates to a kind of folding and open up parabola cylinder antenna mechanism, be specifically related to one and cut fork coordinated type Zhe Zhan parabolic-cylinder antenna mechanism, belong to wireless communication field.
Background technology
Along with the development of space technology, large space antenna has been brought into play more and more important effect in the field such as radar system and satellite communication.Countries in the world have been developed Large deployable antenna in succession, have especially proposed large-scale parabolic cylinder deployable antenna mechanism for reflection wire side, and China also needs badly space large-scale parabolic cylinder deployable antenna mechanism is carried out to more deep research.
At present, some antenna mechanism of practical application have the shortcomings such as rigidity is low, surface accuracy is low, gathering rate is low, expansion reliability is not high, and this contradicts with the technical requirement on design of antenna mechanism.
Summary of the invention
The present invention is the problem that solves the shortcomings such as existing antenna mechanism rigidity is low, surface accuracy is low, gathering rate is low, expansion reliability is not high, and then proposition one is cut fork coordinated type Zhe Zhan parabolic-cylinder antenna mechanism.
The present invention addresses the above problem the technical scheme of taking to be: the present invention includes the first antenna body, the second antenna body, slowly-releasing mechanism, multiple revolution torsion springs drive hinge, the first synchronizing wheel, the second synchronizing wheel, transmission rope, the first motor and multiple locking mechanism, described the first antenna body is by multiple the first supporting frames, the rectangular frame of three locking folding arms and multiple scissors synchronous drive mechanism composition, multiple the first supporting frames be arranged in parallel side by side, one end of each the first supporting frame is connected with one end of adjacent first supporting frame by a locking folding arm, the other end of each the first supporting frame is connected with the other end of adjacent first supporting frame by two locking folding arms, the middle part of adjacent two the first supporting frames connects by a scissors synchronous drive mechanism, described the second antenna body is by multiple the second supporting frames, the framework of four locking folding arms and multiple scissors synchronous drive mechanism composition, multiple the second supporting frames be arranged in parallel side by side, one end of each the second supporting frame is connected with one end of adjacent second supporting frame by two locking folding arms, the other end of each the second supporting frame is connected with the other end of adjacent second supporting frame by two locking folding arms, the middle part of each the second supporting frame is connected with the middle part of adjacent second supporting frame by scissors synchronous drive mechanism, each the first supporting frame other end bottom drives respectively the bottom connection of hinge and corresponding second supporting frame one end by a revolution torsion spring, the top connection with corresponding second supporting frame by locking mechanism respectively of the top of each first supporting frame other end, the first synchronizing wheel is arranged on the junction of described the first antenna body and described the second antenna body, the second synchromesh gear is arranged on described the second antenna body, the first synchronizing wheel is connected with the second synchronizing wheel by transmission rope, the rotation axis of the first motor is connected with the second synchronizing wheel, the first slowly-releasing mechanism is arranged on described the second antenna body.
The invention has the beneficial effects as follows: the expansion campaign of Zhe Zhan parabolic-cylinder antenna mechanism proposed by the invention is that two motions in one dimension superpose in turn, can carry out the control speed on both direction.The framework number of antenna-reflected wire side is more, and surface accuracy control is got up than being easier to.This antenna mechanism can also realize by suitable minimizing supporting frame number lightization of quality.Antenna launches to have synchronism, takes full advantage of the elasticity energy of torsion spring, adopts less drive motors, is conducive to reduce expansion energy consumption.There is retaining mechanism and strainer, make antenna mechanism there is the characteristic of high rigidity.The present invention can Shi Zhezhan parabolic-cylinder antenna mechanism expansion drive reliably, operate steadily, can realize high rigidity locking simultaneously, easily ensure high surface accuracy, and there is high gathering rate, greatly improved the performance of large-scale Zhe Zhan parabolic-cylinder antenna mechanism.
Brief description of the drawings
Fig. 1 is overall structure schematic diagram of the present invention, Fig. 2 is A place enlarged drawing in Fig. 1, Fig. 3 is the structural representation of locking mechanism, the structural representation of Tu4Shi slowly-releasing mechanism, Fig. 5 is the structural representation of locking folding arm, Fig. 6 is the structural representation after the present invention folds, and Fig. 7 is the structural representation after the present invention launches.
Embodiment
Embodiment one: present embodiment is described in conjunction with Fig. 1 to Fig. 7, described in present embodiment, one is cut fork coordinated type Zhe Zhan parabolic-cylinder antenna mechanism and is comprised the first antenna body, the second antenna body, slowly-releasing mechanism 5, multiple revolution torsion springs drive hinge 6, the first synchronizing wheel 7, the second synchronizing wheel 8, transmission rope 9, the first motor 10 and multiple locking mechanism 11, described the first antenna body is by multiple the first supporting frames 1, the rectangular frame that three locking folding arms 4 and multiple scissors synchronous drive mechanism 3 form, multiple the first supporting frames 1 be arranged in parallel side by side, one end of each the first supporting frame 1 is connected with one end of adjacent first supporting frame 1 by a locking folding arm 4, the other end of each the first supporting frame 1 is connected with the other end of adjacent first supporting frame 1 by two locking folding arms 4, the middle part of adjacent two the first supporting frames 1 connects by a scissors synchronous drive mechanism 3, described the second antenna body is by multiple the second supporting frames 2, the framework that four locking folding arms 4 and multiple scissors synchronous drive mechanism 3 form, multiple the second supporting frames 2 be arranged in parallel side by side, one end of each the second supporting frame 2 is connected with one end of adjacent second supporting frame 2 by two locking folding arms 4, the other end of each the second supporting frame 2 is connected with the other end of adjacent second supporting frame 2 by two locking folding arms 4, the middle part of each the second supporting frame 2 is connected with the middle part of adjacent second supporting frame 2 by scissors synchronous drive mechanism 3, each the first supporting frame 1 other end bottom drives respectively the bottom connection of hinge 6 and corresponding second supporting frame 2 one end by a revolution torsion spring, the top connection with corresponding second supporting frame 2 by locking mechanism 11 respectively of the top of each first supporting frame 1 other end, the first synchronizing wheel 7 is arranged on the junction of described the first antenna body and described the second antenna body, the second synchromesh gear 8 is arranged on described the second antenna body, the first synchronizing wheel 7 is connected with the second synchronizing wheel 8 by transmission rope 9, the rotation axis of the first motor 10 is connected with the second synchronizing wheel 8, the first slowly-releasing mechanism 5 is arranged on described the second antenna body.
In present embodiment, each the first supporting frame 1 drives hinge 6 to be connected with the second supporting frame 2 by revolution torsion spring, and can realize locking by locking mechanism 11.
In present embodiment, between adjacent two the first supporting frames 1, provide power by scissors synchronous drive mechanism 3, between adjacent two the second supporting frames 2, provide power by scissors synchronous drive mechanism 3.After being provided with an expansion in each scissors synchronous drive mechanism 3, can prop up by stretching list, so arrange, greatly improved the rigidity of whole system.
In present embodiment, realize the horizontal spreading of whole antenna mechanism and fold by rotating and reverse of the first motor 10.
Embodiment two: in conjunction with Fig. 1, present embodiment is described, a kind of joint of each scissors synchronous drive mechanism 3 of cutting fork coordinated type Zhe Zhan parabolic-cylinder antenna mechanism is equipped with and drives torsion spring 12 described in present embodiment.Other composition and annexation are identical with embodiment one.
Embodiment three: present embodiment is described in conjunction with Fig. 3, described in present embodiment, a kind of each locking mechanism 11 of cutting fork coordinated type Zhe Zhan parabolic-cylinder antenna mechanism comprises lock box 13, reed latch hook 14 and by latch fitting 15, each lock box 13 is fixedly mounted on respectively the top of corresponding second supporting frame 2 one end end faces, a reed latch hook 14 is installed respectively on each lock box 13, each top that is fixedly mounted respectively corresponding first supporting frame 1 other end end face by latch fitting 15, and each reed latch hook 14 is all articulated by latch fitting 15 with corresponding one.Other composition and annexation are identical with embodiment one.
Embodiment four: present embodiment is described in conjunction with Fig. 4, described in present embodiment, a kind of slowly-releasing mechanism 5 of cutting fork coordinated type Zhe Zhan parabolic-cylinder antenna mechanism comprises side tension cords 16, the second motor 17, winding wheel 18, slowly-releasing rope 19, retainer ring 20 and folding exhibition rope 21, winding wheel 18 is arranged on described the second antenna body, the rotation axis of the second motor 17 is connected with winding wheel 18, one end of side tension cords 16 is connected with the retainer ring 20 on described the second antenna body, the other end of side tension cords 16 is connected with winding wheel 18, the other end of each the second supporting frame 2 is opened up rope 21 by folding and is connected, one end of slowly-releasing rope 19 is connected with folding exhibition rope 21, the other end of slowly-releasing rope 19 is connected with winding wheel 18.Other composition and annexation are identical with embodiment one.
Embodiment five: present embodiment is described in conjunction with Fig. 5, described in present embodiment, a kind of each locking folding arm 4 of cutting fork coordinated type Zhe Zhan parabolic-cylinder antenna mechanism comprises multiple connecting rods 22 and multiple locking mechanism, multiple connecting rods 22 are in-line setting, adjacent two connecting rods 22 connect by a described locking mechanism, each described locking mechanism comprises lock pin 23, spring 24 and lock box 25, lock box 25 is arranged on an end of connecting rod 22, lock pin 23 is arranged on the other end of connecting rod 22, spring 24 is sleeved on lock pin 23, each lock pin 23 is inserted in the lockhole of a corresponding lock box 25.Other composition and annexation are identical with embodiment one.
Embodiment six: present embodiment is described in conjunction with Fig. 6, described in present embodiment, one is cut fork coordinated type Zhe Zhan parabolic-cylinder antenna mechanism and is also comprised support arm 26, one end of support arm 26 is connected with satellite body, and the other end of support arm 26 is connected with described the second antenna body.Other composition and annexation are identical with embodiment one, two, three, four, five or six.
Operation principle
Under initial condition, reflection wire side is collected in supporting mechanism, and support arm is fixed on satellite body, under motor drives, the deployable antenna of folded state is supported to service position.After support arm motion puts in place, deployable antenna is supported, ensure antenna reflective face service position.One-level compresses rope and discharges, revolution torsion spring drives hinge to drive the first supporting frame and the second supporting frame horizontal spreading, and slowly-releasing mechanism is that the first synchronizing wheel between first day line main body and the second antenna body is realized the control speed of launching by the first driving transmission rope control.After expansion puts in place, locking mechanism locking, forms firmization structure.Its locking principle is, along with relatively rotating of the first supporting frame and the second supporting frame, reed latch hook can be climbed up by the inclined-plane of latch fitting gradually by self-deformation, and after launching, reed latch hook is fallen into and in the locked groove of latch fitting, realized locking.Subsequently, secondary compresses rope and discharges, in scissors synchronous drive mechanism, drive torsion spring that actuating force is provided, utilize the synchronous effect of scissors synchronous drive mechanism can realize the longitudinal synchronous expansion of supporting mechanism, in slowly-releasing mechanism, the second driven by motor winding wheel control slowly-releasing rope is realized the expansion of slowly-releasing control speed simultaneously.The expansion tight rope tensioning of posttension that puts in place, supporting mechanism is changed into one by locking folding arm, folding arm locking is made up of lockhole, lock pin, spring and lock box, launch lock pin in motion slides all the time under the pressuring action of spring in the design cambered surface of lock box, after launching, lock pin can head into lockhole by spring just, realizes firmization of locking.So far, antenna mechanism is launched completely, has realized the support to reflection wire side.
Claims (6)
1. cut fork coordinated type Zhe Zhan parabolic-cylinder antenna mechanism for one kind, it is characterized in that: described one is cut fork coordinated type Zhe Zhan parabolic-cylinder antenna mechanism and comprised the first antenna body, the second antenna body, slowly-releasing mechanism (5), multiple revolution torsion springs drive hinge (6), the first synchronizing wheel (7), the second synchronizing wheel (8), transmission rope (9), the first motor (10) and multiple locking mechanism (11), described the first antenna body is by multiple the first supporting frames (1), the rectangular frame of three locking folding arms (4) and multiple scissors synchronous drive mechanism (3) composition, multiple the first supporting frames (1) be arranged in parallel side by side, one end of each the first supporting frame (1) is connected with one end of adjacent first supporting frame (1) by a locking folding arm (4), the other end of each the first supporting frame (1) is connected with the other end of adjacent first supporting frame (1) by two locking folding arms (4), the middle part of adjacent two the first supporting frames (1) connects by a scissors synchronous drive mechanism (3), described the second antenna body is by multiple the second supporting frames (2), the framework of four locking folding arms (4) and multiple scissors synchronous drive mechanism (3) composition, multiple the second supporting frames (2) be arranged in parallel side by side, one end of each the second supporting frame (2) is connected with one end of adjacent second supporting frame (2) by two locking folding arms (4), the other end of each the second supporting frame (2) is connected with the other end of adjacent second supporting frame (2) by two locking folding arms (4), the middle part of each the second supporting frame (2) is connected with the middle part of adjacent second supporting frame (2) by a scissors synchronous drive mechanism (3), each the first supporting frame (1) other end bottom drives respectively the bottom connection of hinge (6) and corresponding second supporting frame (2) one end by a revolution torsion spring, the top connection with corresponding second supporting frame (2) by a locking mechanism (11) respectively of the top of each the first supporting frame (1) other end, the first synchronizing wheel (7) is arranged on the junction of described the first antenna body and described the second antenna body, the second synchromesh gear (8) is arranged on described the second antenna body, the first synchronizing wheel (7) is connected with the second synchronizing wheel (8) by transmission rope (9), the rotation axis of the first motor (10) is connected with the second synchronizing wheel (8), the first slowly-releasing mechanism (5) is arranged on described the second antenna body.
In present embodiment, after whole antenna mechanism is folding, one-level compresses rope and secondary compression Suo Yici is sleeved in antenna mechanism, keeps overall rounding state.
2. one is cut fork coordinated type Zhe Zhan parabolic-cylinder antenna mechanism according to claim 1, it is characterized in that: the joint of each scissors synchronous drive mechanism (3) is equipped with and drives torsion spring (12).
3. one is cut fork coordinated type Zhe Zhan parabolic-cylinder antenna mechanism according to claim 1, it is characterized in that: each locking mechanism (11) comprises lock box (13), reed latch hook (14) and by latch fitting (15), each lock box (13) is fixedly mounted on respectively the top of corresponding second supporting frame (2) one end end face, a reed latch hook (14) is installed respectively on each lock box (13), each top that is fixedly mounted respectively corresponding first supporting frame (1) other end end face by latch fitting (15), and each reed latch hook (14) is all articulated by latch fitting (15) with corresponding one.
4. one is cut fork coordinated type Zhe Zhan parabolic-cylinder antenna mechanism according to claim 1, it is characterized in that: slowly-releasing mechanism (5) comprises side tension cords (16), the second motor (17), winding wheel (18), slowly-releasing rope (19), retainer ring (20) and folding exhibition rope (21), winding wheel (18) is arranged on described the second antenna body, the rotation axis of the second motor (17) is connected with winding wheel (18), one end of side tension cords (16) is connected with the retainer ring (20) on described the second antenna body, the other end of side tension cords (16) is connected with winding wheel (18), the other end of each the second supporting frame (2) is opened up rope (21) by folding and is connected, one end of slowly-releasing rope (19) is connected with folding exhibition rope (21), the other end of slowly-releasing rope (19) is connected with winding wheel (18).
5. one is cut fork coordinated type Zhe Zhan parabolic-cylinder antenna mechanism according to claim 1, it is characterized in that: each locking folding arm (4) comprises multiple connecting rods (22) and multiple locking mechanism, multiple connecting rods (22) are in-line setting, adjacent two connecting rods (22) connect by a described locking mechanism, each described locking mechanism comprises lock pin (23), spring (24) and lock box (25), lock box (25) is arranged on an end of connecting rod (22), lock pin (23) is arranged on the other end of connecting rod (22), spring (24) is sleeved on lock pin (23), each lock pin (23) is inserted in the lockhole of a corresponding lock box (25).
6. cut fork coordinated type Zhe Zhan parabolic-cylinder antenna mechanism according to one described in claim 1,2,3,4 or 5, it is characterized in that: described one is cut fork coordinated type Zhe Zhan parabolic-cylinder antenna mechanism and also comprised support arm (26), one end of support arm (26) is connected with satellite body, and the other end of support arm (26) is connected with described the second antenna body.
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| CN201410465635.9A CN104201481B (en) | 2014-09-12 | 2014-09-12 | A kind of scissor coordinated type Zhe Zhan parabolic-cylinder antenna mechanism |
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| CN105576337A (en) * | 2015-12-11 | 2016-05-11 | 哈尔滨工业大学 | Foldable radar antenna framework and working method thereof |
| CN106910976A (en) * | 2017-05-02 | 2017-06-30 | 湖北文理学院 | Light-duty automatic Quick extension folded antenna bar |
| CN107579332A (en) * | 2017-08-29 | 2018-01-12 | 北京航空航天大学 | Cylinder surface antenna is received in a kind of synchronous exhibition based on Bennett mechanisms |
| CN107946727A (en) * | 2017-12-21 | 2018-04-20 | 星际漫步（北京）航天科技有限公司 | Expandable type disc-shaped antenna system and its method of deploying |
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| CN105576337A (en) * | 2015-12-11 | 2016-05-11 | 哈尔滨工业大学 | Foldable radar antenna framework and working method thereof |
| CN105470624B (en) * | 2015-12-11 | 2018-04-03 | 哈尔滨工业大学 | A kind of vehicle-mounted external illuminators-based radar antenna frame folding and unfolding mechanism |
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| CN106910976A (en) * | 2017-05-02 | 2017-06-30 | 湖北文理学院 | Light-duty automatic Quick extension folded antenna bar |
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| CN107579332A (en) * | 2017-08-29 | 2018-01-12 | 北京航空航天大学 | Cylinder surface antenna is received in a kind of synchronous exhibition based on Bennett mechanisms |
| CN107946727A (en) * | 2017-12-21 | 2018-04-20 | 星际漫步（北京）航天科技有限公司 | Expandable type disc-shaped antenna system and its method of deploying |
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| CN114171883B (en) * | 2021-11-02 | 2022-12-06 | 西安电子科技大学 | Parabolic cylinder deployable antenna system, control method and application |
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