CN116014409A - Folding and unfolding mechanism of tetrahedral array antenna - Google Patents
Folding and unfolding mechanism of tetrahedral array antenna Download PDFInfo
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- CN116014409A CN116014409A CN202211325393.4A CN202211325393A CN116014409A CN 116014409 A CN116014409 A CN 116014409A CN 202211325393 A CN202211325393 A CN 202211325393A CN 116014409 A CN116014409 A CN 116014409A
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Abstract
The invention discloses a folding and unfolding mechanism of a four-sided array antenna, which comprises a mounting platform, wherein a lifting mechanism is arranged on the mounting platform and comprises a lifting upper frame, a lifting driving piece, a swinging rod I and a swinging rod II, the lifting driving piece is arranged between the lifting upper frame and the mounting platform, a front array surface and a rear array surface are respectively hinged with the front end and the rear end of the lifting upper frame, the swinging rod I is hinged between the front array surface and the rear array surface and the mounting platform, a left unfolding mechanism and a right unfolding mechanism are arranged on the lifting upper frame, the left array surface and the right array surface are respectively hinged with the left end and the right end of the left unfolding mechanism, and the swinging rod II is hinged between the left array surface and the right array surface and the mounting platform. The invention has the advantages that: the folding and unfolding mode from the transportation state to the working state of the vehicle-mounted large-caliber tetrahedral array antenna is provided, single-vehicle transportation of the large-caliber tetrahedral array antenna can be realized, the requirements of highway and railway transportation limit are met, meanwhile, the vehicle-mounted large-caliber tetrahedral array antenna can be automatically and rapidly unfolded, precious battlefield time is saved, and battlefield viability is improved.
Description
Technical Field
The invention belongs to the technical field of vehicle-mounted antenna structures, and particularly relates to a folding and unfolding mechanism of a four-sided array antenna.
Background
In order to realize the full airspace scanning coverage function, a single-sided antenna array is arranged in four directions respectively, and the four single-sided antenna arrays must maintain a definite relative position relationship in the working state.
The utility model discloses a prior four-sided array antenna structure in a 'Ku wave band four-sided array two-dimensional digital array low-altitude early warning radar' with the application number of 20201067070778.9, which is characterized in that four antenna array surfaces are arranged on the outer side surface of a four-sided array radar shell, and the antenna array surfaces are installed by adopting elevation angle inclination of 15 degrees.
The problems of the existing four-sided array antenna structure are that:
1) The size of the antenna array surface is limited by the size of the radar shell, the antenna array surface cannot be folded, and the space of the vehicle-mounted transportation platform cannot be fully utilized to realize the installation of the vehicle-mounted large-caliber antenna array surface.
2) The installation position of the antenna array surface is fixed relative to the radar shell, the array surface cannot be lifted in the height direction, and the shielding of the antenna by the obstacle cannot be avoided.
Disclosure of Invention
The invention aims at: the invention provides a folding and unfolding mechanism of a four-sided array antenna, which solves the problem that the existing structural form cannot meet the installation requirement of a vehicle-mounted large-caliber antenna array surface.
The aim of the invention is achieved by the following technical scheme:
the utility model provides a roll over exhibition mechanism of four-sided array antenna, including mounting platform, be equipped with lifting mechanism on the mounting platform, lifting mechanism is including lifting the frame, lifting drive spare, pendulum rod I and pendulum rod II, set up lifting drive spare between lifting the frame and the mounting platform, preceding array face and back array face are articulated with the front and back both ends of lifting the frame respectively, articulated connection pendulum rod I between preceding array face and the back array face all and the mounting platform, lifting and being equipped with on the frame about expansion mechanism, left array face and right array face are articulated with the left and right both ends of controlling expansion mechanism respectively, left array face and right array face all are articulated connection pendulum rod II with between the mounting platform.
Further, the left array surface and the right array surface on the lifting mechanism are arranged in a bilateral symmetry manner, and the front array surface and the rear array surface on the lifting mechanism are arranged in a front-back symmetry manner.
Further, the left array surface comprises a left array surface upper part and a left array surface lower part, the lower end of the left array surface is hinged with the upper end of the left array surface lower part, a swing driving part is arranged between the left array surface upper part and the left array surface lower part, the upper part of the left array surface lower part is hinged with the left and right unfolding mechanisms, and the lower part of the left array surface lower part is hinged with the swing rod II.
Further, the right array surface comprises a right array surface upper part and a right array surface lower part, wherein the lower end of the right array surface is hinged with the upper end of the right array surface lower part, a swing driving part is arranged between the right array surface upper part and the right array surface lower part, the upper part of the right array surface lower part is hinged with the left and right unfolding mechanism, and the lower part of the right array surface lower part is hinged with the swing rod II.
Further, the front array surface comprises a front array surface upper part and a front array surface lower part, wherein the lower end of the front array surface is hinged with the upper end of the front array surface lower part, a swing driving part is arranged between the front array surface upper part and the front array surface lower part, the upper part of the front array surface is hinged with the lifting upper frame, and the lower part of the front array surface lower part is hinged with the swing rod I.
Further, the rear array surface comprises a rear array surface upper part and a rear array surface lower part, wherein the lower end of the rear array surface is hinged with the upper end of the rear array surface lower part, a swing driving part is arranged between the rear array surface upper part and the rear array surface lower part, the upper part of the rear array surface is hinged with the lifting upper frame, and the lower part of the rear array surface lower part is hinged with the swing rod I.
Further, the swing driving piece is a swing oil cylinder.
Further, the left array surface comprises a left array surface upper part and a left array surface lower part which are hinged with each other, the right array surface comprises a right array surface upper part and a right array surface lower part which are hinged with each other, the left array surface upper part performs inward folding and unfolding motion relative to the left array surface lower part, and the right array surface upper part performs inward folding and unfolding motion relative to the right array surface lower part.
Further, the front array surface comprises a front array surface upper part and a front array surface lower part which are hinged with each other, the rear array surface comprises a rear array surface upper part and a rear array surface lower part which are hinged with each other, the front array surface upper part performs folding and unfolding movement relative to the front array surface lower part outwards, and the rear array surface upper part performs folding and unfolding movement relative to the rear array surface lower part inwards.
Further, the left and right unfolding mechanisms are telescopic driving pieces.
Further, the lifting driving piece is a lifting hydraulic cylinder.
The invention aims at:
1) The folding mode of the four-sided array antenna is provided, the problems of folding and unfolding of the array surface of the antenna with a larger caliber are solved, the working requirement of the four-sided array antenna is met after unfolding, and the size is compact after folding to meet the transportation limit requirement of highways and railways.
2) The antenna array surface can realize lifting function while being unfolded, and avoid the influence of obstacles on the antenna.
3) And the four array surfaces are synchronously folded and unfolded by sharing one driving mechanism, so that the mechanism is simple and the cost is low.
4) The caliber width and height of the unfolded antenna array surface can reach more than 2.4 meters, and the loading requirement of the automobile chassis is met.
The invention has the beneficial effects that:
1) The folding and unfolding mode of the vehicle-mounted large-caliber (the width and the height are more than 2.4 meters) four-sided array antenna from a transportation state to a working state is provided, single-vehicle transportation of the large-caliber four-sided array antenna can be realized, highway and railway transportation limit requirements are met, meanwhile, the vehicle-mounted large-caliber four-sided array antenna can be automatically and rapidly unfolded, precious battlefield time is saved, and battlefield viability is improved.
2) The four array surfaces can be unfolded and lifted, and the problem of shielding influence of the four-sided array and the obstacle is solved well.
3) The execution mechanism is adopted to realize related functions, the structure and configuration are novel and ingenious, the cost is low, the reliability is high, the device is suitable for mass production, and the economic benefit is obvious.
The foregoing inventive subject matter and various further alternatives thereof may be freely combined to form a plurality of alternatives, all of which are employable and claimed herein; and the invention can be freely combined between the (non-conflicting choices) choices and between the choices and other choices. Various combinations will be apparent to those skilled in the art from a review of the present disclosure, and are not intended to be exhaustive or all of the present disclosure.
Drawings
Fig. 1 is a top view of the structural composition of the present invention.
Fig. 2 is a front view of the structural composition of the present invention.
FIG. 3 is a schematic diagram of the left and right array surface unfolding process of the present invention.
FIG. 4 is a schematic diagram of the front-to-back array surface unfolding process of the present invention.
Fig. 5 is an expanded outline front view of an example array antenna of the present invention.
Fig. 6 is a top view of an example array antenna deployment profile of the present invention.
Fig. 7 is a diagram of an example array antenna receive and transport profile of the present invention.
In the figure: 1-left front, 101-left front, 102-left front, 103-hinge point A, 104-hinge point B, 2-right front, 201-right front, 202-right front, 3-front, 301-front, 302-front, 303-hinge point C, 304-hinge point D, 4-rear, 401-rear, 402-rear, 5-left and right unfolding mechanism, 501-telescoping drive, 502-hinge point E, 6-lifting mechanism, 601-lifting upper frame, 602-lifting drive, 603-swing rod I, 604-swing rod II, 605-hinge point F, 7-mounting platform, 701-hinge point G, 702-hinge point H.
Detailed Description
The following non-limiting examples illustrate the invention.
Example 1:
referring to fig. 1 to 4, a folding and unfolding mechanism of a four-sided array antenna comprises a left array surface 1, a right array surface 2, a front array surface 3, a rear array surface 4, a left and right unfolding mechanism 5, a lifting mechanism 6 and an installation platform 7.
The mounting platform 7 is a fixture that provides a mounting base for other components and supports the overall mechanism. The mounting platform 7 is provided with a lifting mechanism 6, the lifting mechanism 6 is provided with a left array surface 1 and a right array surface 2 which are bilaterally symmetrical, and a front array surface 3 and a rear array surface 4 which are bilaterally symmetrical, and the retraction and the extension of the left array surface, the right array surface, the front array surface and the rear array surface are realized by utilizing the action of the lifting mechanism 6. Meanwhile, a left and right unfolding mechanism 5 is arranged on the lifting mechanism 6, and the movement expansion of the left and right array surfaces is realized by the action of the left and right unfolding mechanism 5.
The left and right deployment mechanisms 5 are telescopic driving members 501, and the telescopic driving members 501 are preferably telescopic hydraulic cylinders. The lifting mechanism 6 comprises a lifting upper frame 601, a lifting driving piece 602, a swinging rod I603 and a swinging rod II 604, wherein the lifting driving piece 602 is arranged between the lifting upper frame 601 and the mounting platform 7, and the lifting driving piece 602 is preferably a lifting hydraulic oil cylinder which drives the lifting upper frame 601 to move up and down. The telescopic hydraulic cylinder is horizontally installed on the lifting upper frame 601.
The left array surface 1 comprises a left array surface upper part 101 and a left array surface lower part 102, wherein the lower end of the left array surface upper part 101 is hinged with the upper end of the left array surface lower part 102 at a hinge point A103, a swinging driving piece is arranged between the left array surface upper part 101 and the left array surface lower part 102, the upper part of the left array surface lower part 102 is hinged with the left end of the telescopic driving piece 501 at a hinge point E502, the lower part of the left array surface lower part 102 is hinged with a swinging rod II 604 at a hinge point B104, and the swinging rod II 604 is hinged with the mounting platform 7 at a hinge point H702.
The swing driving member is preferably a swing cylinder, and the upper left array surface 101 performs inward retracting movement relative to the lower left array surface 102. When the left array surface 1 is unfolded, the lifting hydraulic cylinder drives the lifting upper frame 601 to move upwards, and the left array surface lower 102 is gradually changed from a vertical state to an inclined state due to the hinged supporting effect of the swing rod II 604. And the telescopic hydraulic cylinder pushes the left array surface lower part 102 outwards, so that the left array surface lower part 102 is far away from the lifting upper frame 601, and a space is created for the front and rear array surface expansion. Meanwhile, the swing oil cylinder drives the left array surface upper part 101 to rotate outwards, and gradually changes from a horizontal state to an inclined state until the swing oil cylinder is parallel to the left array surface lower part 102.
The right array surface 2 comprises a right array surface upper part 201 and a right array surface lower part 202, the lower end of the right array surface upper part 201 is hinged with the upper end of the right array surface lower part 202 at a hinge point A103, a swinging driving piece is arranged between the right array surface upper part 201 and the right array surface lower part 202, the upper part of the right array surface lower part 202 is hinged with the right end of the telescopic driving piece 501 at a hinge point E502, the lower part of the right array surface lower part 202 is hinged with a swinging rod II 604 at a hinge point B104, and the swinging rod II 604 is hinged with the mounting platform 7 at a hinge point H702. The right array surface 201 performs inward folding and unfolding motion relative to the right array surface lower 202, and the left array surface 1 and the right array surface 2 are symmetrically arranged, so that the structure and the action principle of the right array surface 2 are the same as those of the left array surface 1, and no description is repeated here.
The front array surface 3 comprises a front array surface upper part 301 and a front array surface lower part 302, wherein the lower end of the front array surface upper part 301 is hinged with the upper end of the front array surface lower part 302 at a hinge point C303, a swinging driving part is arranged between the front array surface upper part 301 and the front array surface lower part 302, the upper part of the front array surface upper part 301 is hinged with the front end of the lifting upper frame 601 at a hinge point F605, the lower part of the front array surface lower part 302 is hinged with a swinging rod I603 at a hinge point D304, and the swinging rod I603 is hinged with the mounting platform at a hinge point G701.
The swing driving member is preferably a swing cylinder, and the front upper surface 301 performs outward retracting movement relative to the front lower surface 302. When the front array surface 3 is unfolded, the lifting hydraulic cylinder drives the lifting upper frame 601 to move upwards, and the front array surface lower 302 is gradually changed from a vertical state to an inclined state due to the hinged supporting effect of the swing rod I603. Meanwhile, the swing cylinder drives the front array surface 301 to rotate inwards, and gradually changes from a vertical state to an inclined state until the front array surface is parallel to the front array surface 302.
The rear array surface 4 comprises a rear array surface upper part 401 and a rear array surface lower part 402, the lower end of the rear array surface upper part 401 is hinged with the upper end of the rear array surface lower part 402 at a hinge point C303, a swinging driving part is arranged between the rear array surface upper part 401 and the rear array surface lower part 402, the upper part of the rear array surface upper part 401 is hinged with the rear end of the lifting upper frame 601 at a hinge point F605, the lower part of the rear array surface lower part 402 is hinged with a swinging rod I603 at a hinge point D304, and the swinging rod I603 is hinged with the mounting platform at a hinge point G701. The rear array surface 401 performs inward folding and unfolding motion relative to the rear array surface lower 402, and the front array surface 3 and the rear array surface 4 are symmetrically arranged, so that the structure and the action principle of the rear array surface 4 are the same as those of the front array surface 3, and no description is repeated here.
The folding and unfolding mechanism is a component combination formed by linear motion devices (hydraulic cylinders), rod pieces connected by series of hinge points at specific positions and the like, and accessories such as swing cylinders and the like. Under the driving action of the hydraulic cylinder and the swinging cylinder, each component respectively completes rotation and translation at different angles to form a specific gesture, so as to drive the array antenna on each component to realize the motion of the specific gesture, and the specific structure composition and the unfolding steps are as follows.
In order to better explain the working principle of the invention, the unfolding processes of the left array surface, the right array surface and the front array surface are respectively illustrated by using fig. 3 and fig. 4, and in the practical working unfolding process, the four array surfaces are synchronously unfolded under the drive of the same mechanism.
1) The first step, the antenna array surface is in a packaged state, and the locking of the hydraulic pin is released.
2) In the second step, the lifting hydraulic cylinder performs an extending motion to drive the lifting upper frame 601 to lift upwards. The left array subsurface 102 is fixed on a telescopic hydraulic cylinder through a hinge point E, and the telescopic hydraulic cylinder is fixed with the lifting upper frame 601 and synchronously lifts upwards. The front lower panel 302 is fixed to the lifting upper frame 601 by a hinge point F to be lifted upward. The left array subsurface 102 and the front array subsurface 302 rotate around the hinge point B and the hinge point D through the swing rod I and the swing rod II.
The left array surface 101 and the front array surface 301 are respectively fixed under the left array surface 102 and the front array surface 302 through a hinge point A and a hinge point C, and the left array surface 101 and the front array surface 301 are respectively driven to outwards rotate by 90 degrees and inwards rotate by 180 degrees around the hinge point A and the hinge point C by a swinging oil cylinder arranged at the hinge point A and the hinge point C. The left extension movement of the telescopic hydraulic cylinder drives the left array surface 1 to push out. The lifting hydraulic cylinder, the telescopic hydraulic cylinder and the swinging cylinder work simultaneously and are synchronous in place.
3) The hydraulic pin locks the components, and the unfolding of the four-sided array antenna is completed at the moment.
The process of collecting and loading is the reverse of the above process and will not be described again.
Example 2:
referring to fig. 5 to 7, a folding mechanism of a four-sided array antenna is constructed as in embodiment 1. The caliber of the single array surface is 2.4 meters in width and 2.4 meters in height, and the unfolding geometric outline is shown in fig. 5 and 6. The folding and unfolding movement of the array antenna is realized through the expansion and contraction of the hydraulic cylinder and the rotation of the swinging cylinder, and the outline of the array antenna after the folding and the unfolding is shown in figure 6.
The four-sided array antenna is unfolded and lifted simultaneously, the unfolding/folding time is not more than 2 minutes respectively, and the four-sided array antenna can be installed on an automobile platform with the height of not more than 1450mm for transportation after folding, so that the limit requirements of highway and railway transportation are completely met.
The foregoing basic embodiments of the invention, as well as other embodiments of the invention, can be freely combined to form numerous embodiments, all of which are contemplated and claimed. In the scheme of the invention, each selection example can be arbitrarily combined with any other basic example and selection example.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the invention.
Claims (10)
1. The utility model provides a mechanism is opened up in roll-over of tetrahedral array antenna, includes mounting platform (7), its characterized in that: the lifting mechanism (6) is arranged on the mounting platform (7), the lifting mechanism (6) comprises a lifting upper frame (601), a lifting driving piece (602), a swinging rod I (603) and a swinging rod II (604), the lifting driving piece (602) is arranged between the lifting upper frame (601) and the mounting platform (7), the front array surface (3) and the rear array surface (4) are respectively hinged with the front end and the rear end of the lifting upper frame (601), the swinging rod I (603) is hinged between the front array surface (3) and the rear array surface (4) and the mounting platform (7), the lifting upper frame (601) is provided with a left unfolding mechanism (5), the left array surface (1) and the right array surface (2) are respectively hinged with the left end and the right end of the left unfolding mechanism (5), and the swinging rod II (604) is hinged between the left array surface (1) and the right array surface (2) and the mounting platform (7).
2. The four-sided array antenna folding and unfolding mechanism as claimed in claim 1, wherein: the left array surface (1) and the right array surface (2) on the lifting mechanism (6) are symmetrically arranged left and right, and the front array surface (3) and the rear array surface (4) on the lifting mechanism (6) are symmetrically arranged front and back.
3. The four-sided array antenna folding and unfolding mechanism as claimed in claim 1, wherein: the left array surface (1) comprises a left array surface upper part (101) and a left array surface lower part (102), the lower end of the left array surface upper part (101) is hinged with the upper end of the left array surface lower part (102), a swing driving part is arranged between the left array surface upper part (101) and the left array surface lower part (102), the upper part of the left array surface lower part (102) is hinged with the left and right unfolding mechanism (5), and the lower part of the left array surface lower part (102) is hinged with the swing rod II (604).
4. A four-sided array antenna folding and unfolding mechanism as claimed in claim 3 and is characterized in that: the right array surface (2) comprises a right array surface upper part (201) and a right array surface lower part (202), the lower end of the right array surface upper part (201) is hinged with the upper end of the right array surface lower part (202), a swing driving part is arranged between the right array surface upper part (201) and the right array surface lower part (202), the upper part of the right array surface lower part (202) is hinged with the left and right unfolding mechanism (5), and the lower part of the right array surface lower part (202) is hinged with the swing rod II (604).
5. The four-sided array antenna folding and unfolding mechanism as set forth in claim 1, 3 or 4, wherein: the front array surface (3) comprises a front array surface upper part (301) and a front array surface lower part (302), the lower end of the front array surface upper part (301) is hinged with the upper end of the front array surface lower part (302), a swing driving part is arranged between the front array surface upper part (301) and the front array surface lower part (302), the upper part of the front array surface upper part (301) is hinged with the lifting upper frame (601), and the lower part of the front array surface lower part (302) is hinged with the swing rod I (603).
6. The four-sided array antenna folding and unfolding mechanism as set forth in claim 5, wherein: the rear array surface (4) comprises a rear array surface upper part (401) and a rear array surface lower part (402), the lower end of the rear array surface upper part (401) is hinged with the upper end of the rear array surface lower part (402), a swing driving part is arranged between the rear array surface upper part (401) and the rear array surface lower part (402), the upper part of the rear array surface upper part (401) is hinged with the lifting upper frame (601), and the lower part of the rear array surface lower part (402) is hinged with the swing rod I (603).
7. A four-sided array antenna folding and unfolding mechanism as claimed in claim 3 and is characterized in that: the swing driving piece is a swing oil cylinder.
8. The four-sided array antenna folding and unfolding mechanism as claimed in claim 1, wherein: the left array surface (1) comprises a left array surface upper part (101) and a left array surface lower part (102) which are hinged with each other, the right array surface (2) comprises a right array surface upper part (201) and a right array surface lower part (202) which are hinged with each other, the left array surface upper part (101) performs inward folding and unfolding motion relative to the left array surface lower part (102), and the right array surface upper part (201) performs inward folding and unfolding motion relative to the right array surface lower part (202).
9. The folding and unfolding mechanism of a four-sided array antenna according to claim 1 or 8, characterized in that: the front array surface (3) comprises a front array surface upper part (301) and a front array surface lower part (302) which are hinged with each other, the rear array surface (4) comprises a rear array surface upper part (401) and a rear array surface lower part (402) which are hinged with each other, the front array surface upper part (301) performs outward folding and unfolding motion relative to the front array surface lower part (302), and the rear array surface upper part (401) performs inward folding and unfolding motion relative to the rear array surface lower part (402).
10. The four-sided array antenna folding and unfolding mechanism as claimed in claim 1, wherein: the left and right unfolding mechanisms (5) are telescopic driving pieces (501).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211325393.4A CN116014409A (en) | 2022-10-27 | 2022-10-27 | Folding and unfolding mechanism of tetrahedral array antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211325393.4A CN116014409A (en) | 2022-10-27 | 2022-10-27 | Folding and unfolding mechanism of tetrahedral array antenna |
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| Publication Number | Publication Date |
|---|---|
| CN116014409A true CN116014409A (en) | 2023-04-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211325393.4A Pending CN116014409A (en) | 2022-10-27 | 2022-10-27 | Folding and unfolding mechanism of tetrahedral array antenna |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117117465A (en) * | 2023-10-23 | 2023-11-24 | 成都智芯雷通微系统技术有限公司 | Phased array of radar antenna and application method thereof |
-
2022
- 2022-10-27 CN CN202211325393.4A patent/CN116014409A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117117465A (en) * | 2023-10-23 | 2023-11-24 | 成都智芯雷通微系统技术有限公司 | Phased array of radar antenna and application method thereof |
| CN117117465B (en) * | 2023-10-23 | 2024-01-02 | 成都智芯雷通微系统技术有限公司 | Phased array of radar antenna and application method thereof |
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