CN115425383B - Relay type antenna array plane unfolding and folding mechanism - Google Patents
Relay type antenna array plane unfolding and folding mechanism Download PDFInfo
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- CN115425383B CN115425383B CN202211108568.6A CN202211108568A CN115425383B CN 115425383 B CN115425383 B CN 115425383B CN 202211108568 A CN202211108568 A CN 202211108568A CN 115425383 B CN115425383 B CN 115425383B
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- 238000009434 installation Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
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- 230000000694 effects Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/08—Means for collapsing antennas or parts thereof
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/08—Means for collapsing antennas or parts thereof
- H01Q1/10—Telescopic elements
- H01Q1/103—Latching means; ensuring extension or retraction thereof
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Abstract
The invention discloses a relay type antenna array surface unfolding and folding mechanism, wherein an antenna array surface comprises an upper array surface and a lower array surface, and the lower array surface is hinged with the upper array surface; the antenna array surface unfolding and folding mechanism comprises one or two unfolding and folding units, and the unfolding and folding units are arranged on the side of the antenna array; the unfolding and folding unit includes: a lower driving device, an upper driving device and a connecting rod; one end of the connecting rod is hinged with a hinge shaft between the lower array surface and the upper array surface, and the other end of the connecting rod is respectively hinged with one end parts of the lower driving device and the upper driving device; and the other ends of the lower driving device and the upper driving device are respectively hinged with the side walls of the lower array surface and the upper array surface. By the structural arrangement of the unfolding and folding mechanism, the unfolding and folding of the upper array surface of 0-180 degrees are realized, the folding and unfolding ratio of the antenna array surface is high, and the whole occupied space after folding is small.
Description
Technical Field
The invention belongs to the field of antenna array unfolding and folding devices, and particularly relates to a relay type antenna array unfolding and folding mechanism.
Background
The maneuvering performance of the vehicle-mounted equipment is one of important performances of the current electronic equipment, the size of the caliber of the equipment antenna determines the reconnaissance distance and the accuracy of the antenna array to a certain extent, and the maneuvering performance of the equipment limits the weight and the size envelope of the whole vehicle.
The width dimension of the vehicle-mounted equipment is not more than 2.55 meters and the length dimension is not more than 12 meters under the related restrictions of the current road and railway transportation, when the dimension of the antenna array surface in the vehicle width direction is more than 2.55 meters, the antenna array surface is generally required to be segmented, and the related requirements of the antenna array surface transportation and work are realized by adopting an unfolding and folding mechanism.
Therefore, a folding mechanism that can realize a high folding ratio of the antenna array surface and that occupies a small space as a whole after folding is needed.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide a relay type antenna array surface unfolding and folding mechanism, wherein an antenna array surface is divided into an upper array surface and a lower array surface, and the unfolding and folding of the upper array surface by 0-180 degrees is realized through the structural arrangement of the unfolding and folding mechanism, so that the folding and unfolding ratio of the antenna array surface is high, and the whole occupied space after folding is small.
The aim of the invention is achieved by the following technical scheme:
the relay type antenna array surface unfolding and folding mechanism comprises an upper array surface and a lower array surface, wherein the lower array surface is hinged with the upper array surface;
the antenna array surface unfolding and folding mechanism comprises one or two unfolding and folding units, and the unfolding and folding units are arranged on the side of the antenna array;
the unfolding and folding unit includes: a lower driving device, an upper driving device and a connecting rod;
one end of the connecting rod is hinged with a hinge shaft between the lower array surface and the upper array surface, and the other end of the connecting rod is respectively hinged with one end parts of the lower driving device and the upper driving device;
and the other ends of the lower driving device and the upper driving device are respectively hinged with the side walls of the lower array surface and the upper array surface.
According to a preferred embodiment, the lower array surface is parallel to the upper array surface when the antenna array is in a folded state, and the angle between the lower array surface and the upper array surface is 0 DEG
According to a preferred embodiment, when the antenna array is unfolded once, the lower driving device stretches to drive the connecting rod, the upper driving device and the upper array surface to act, and when the lower driving device acts to a preset position, the lower driving device, the lower array surface and the connecting rod form a group of triangular structures, and the upper array surface is unfolded from 0 degrees to 90 degrees.
According to a preferred embodiment, when the antenna array is subjected to relay deployment, the upper driving device stretches to drive the upper array surface to act until the upper array surface is deployed to a preset position, and the upper driving device, the upper array surface and the connecting rod form another group of triangular structures to realize the deployment of the upper array surface from 90 degrees to 180 degrees.
According to a preferred embodiment, when the antenna array surface is folded once, the upper driving device shortens to drive the upper array surface to act, and the upper array surface is folded from 180 degrees to 90 degrees.
According to a preferred embodiment, when the antenna array surface is folded in a relay manner, the lower driving device shortens to drive the connecting rod, the upper driving device and the upper array surface to act, so that the upper array surface is folded from 90 degrees to 0 degrees.
According to a preferred embodiment, the unfolding folding unit further comprises: the locking device and the hooks are respectively arranged on the two array surfaces of the antenna array, and when the antenna array is in a folded state, the hooks are hung on the locking device to fix the positions of the two array surfaces of the antenna array.
According to a preferred embodiment, the lower drive means, the upper drive means and the locking means are not limited to being hydraulically or electrically driven.
According to a preferred embodiment, when the antenna array surface unfolding and folding mechanism comprises two unfolding and folding units, the two unfolding and folding units are symmetrically arranged at the side of the antenna array.
According to a preferred embodiment, the lower array surface is fixed to the support frame.
The foregoing inventive concepts and various further alternatives thereof may be freely combined to form multiple concepts, all of which are contemplated and claimed herein. 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.
The invention has the beneficial effects that: the invention discloses a relay type antenna array surface unfolding and folding mechanism which comprises two unfolding and folding units, wherein the two unfolding and folding units are symmetrically arranged at the left side and the right side of an upper array surface and a lower array surface, and one-time unfolding/folding and relay unfolding/folding are respectively realized through 2 groups of driving devices, so that the unfolding and folding of the array surface are realized. The mechanism has the advantages of compact structure, simple control logic, convenient installation and maintenance, high structural stability and the like, and is suitable for unfolding and folding the large-caliber antenna array surface of high-integration high-motor vehicle equipment.
Drawings
Fig. 1 is a front view of an antenna array unfolding and folding mechanism of the present invention in a folded state;
fig. 2 is a side view of the antenna array unfolding and folding mechanism of the present invention in a folded state;
FIG. 3 is a schematic view of the antenna array unfolding and folding mechanism in a one-time unfolding state;
fig. 4 is a schematic front view of the antenna array unfolding and folding mechanism in a relay unfolding state;
FIG. 5 is a schematic side view of the antenna array unfolding and folding mechanism in a relay unfolding state;
fig. 6 is a schematic view of a fixed structure of the antenna array plane unfolding and folding mechanism in an unfolded state;
fig. 7 is a schematic view of a fixed structure of the antenna array plane unfolding and folding mechanism in a folded state;
wherein, 1-lower array face, 2-upper array face, 3-lower driving device, 4-upper driving device, 5-connecting rod, 6-locking device, 7-couple, 8-support frame.
Detailed Description
Other advantages and effects of the present invention will become apparent to those skilled in the art from the following disclosure, which describes the embodiments of the present invention with reference to specific examples. The invention may be practiced or carried out in other embodiments that depart from the specific details, and the details of the present description may be modified or varied from the spirit and scope of the present invention. It should be noted that the following embodiments and features in the embodiments may be combined with each other without conflict. It should be noted that, for the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more clear, the technical solutions in the embodiments of the present invention are clearly and completely described below, and it is obvious that the described embodiments are some embodiments of the present invention, but not all embodiments.
In the description of the present invention, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," "outer," and the like indicate orientations or positional relationships in which the inventive product is conventionally placed in use, and are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the apparatus or elements being referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance. Furthermore, the terms "horizontal," "vertical," "overhang," and the like do not denote a requirement that the component be absolutely horizontal or overhang, but rather may be slightly inclined. As "horizontal" merely means that its direction is more horizontal than "vertical", and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the description of the present invention, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art. In addition, in the present invention, if a specific structure, connection relationship, position relationship, power source relationship, etc. are not specifically written, the structure, connection relationship, position relationship, power source relationship, etc. related to the present invention can be known by those skilled in the art without any creative effort.
Referring to fig. 1 to 7, the invention discloses a relay type antenna array plane unfolding and folding mechanism. The antenna array surface comprises an upper array surface 2 and a lower array surface 1, and the lower array surface 1 is hinged with the upper array surface 2. The lower array surface 1 is fixed on the supporting frame body 8
The antenna array face unfolding and folding mechanism comprises one or two unfolding and folding units, and the unfolding and folding units are arranged on the side of the antenna array.
Preferably, when the antenna array surface unfolding and folding mechanism comprises two unfolding and folding units, the two unfolding and folding units are symmetrically arranged at the sides of the antenna array. The control system realizes synchronous action, thereby realizing synchronous unfolding and folding of the upper array surface 1 and the lower array surface 1.
Preferably, the unfolding and folding unit includes: lower drive 3, upper drive 4 and connecting rod 5.
One end of the connecting rod 5 is hinged with a hinge shaft between the lower array surface 1 and the upper array surface 2, and the other end of the connecting rod is respectively hinged with one end of the lower driving device 3 and one end of the upper driving device 4. And the other ends of the lower driving device 3 and the upper driving device 4 are respectively hinged with the side walls of the lower array surface 1 and the upper array surface 2.
Preferably, the unfolding folding unit further comprises: a locking device 6 and a hook 7. The two array surfaces of the antenna array are respectively provided with a locking device 6 and a hook 7, and when the antenna array is in a folded state, the hook 7 is hung on the locking device 6 to realize the position fixation of the two array surfaces of the antenna array.
When the antenna array is in a folded state, the lower array surface 1 is parallel to the upper array surface 2, and an included angle between the lower array surface 1 and the upper array surface 2 is 0 degrees, as shown in fig. 1 and 2.
When the antenna array is unfolded once, the lower driving device 3 stretches to drive the connecting rod 5, the upper driving device 4 and the upper array surface 2 to act, and when the lower driving device 3 acts to a preset position, the lower driving device 3, the lower array surface 1 and the connecting rod 5 form a group of triangular structures and realize the unfolding of the upper array surface 2 from 0 degrees to 90 degrees, as shown in fig. 3.
When the antenna array is subjected to relay unfolding, the upper driving device 4 stretches to drive the upper array surface 2 to act until the upper array surface 2 is unfolded to a preset position, and the upper driving device 4, the upper array surface 2 and the connecting rod 5 form another group of triangular structures to realize that the upper array surface 2 is unfolded from 90 degrees to 180 degrees, as shown in fig. 4 and 5.
When the antenna array surface is folded once, the upper driving device 4 shortens to drive the upper array surface 2 to act, and the upper array surface 2 is folded from 180 degrees to 90 degrees.
When the antenna array surface is folded in a relay way, the lower driving device 3 is shortened to drive the connecting rod 5, the upper driving device 4 and the upper array surface 2 to act, and the upper array surface 2 is folded from 90 degrees to 0 degrees. When the lower deck 1 is horizontally housed by the support frame 8, the unfolding and folding mechanism is configured to fold the deck in a double-square shape, as shown in fig. 7. The lower driving means 3, the upper driving means 4 and the locking means 6 are not limited to being hydraulically or electrically driven.
The unfolding and folding mechanism of the antenna array surface comprises two unfolding and folding units, wherein the two unfolding and folding units are symmetrically arranged at the left side and the right side of the upper array surface and the lower array surface, and one-time unfolding/folding and relay unfolding/folding are respectively realized through 2 groups of driving devices, so that the unfolding and folding of the array surface are realized. The mechanism has the advantages of compact structure, simple control logic, convenient installation and maintenance, high structural stability and the like, and is suitable for unfolding and folding the large-caliber antenna array surface of high-integration high-motor vehicle equipment.
In a specific embodiment, the overall size (width x height) of the antenna array surface is 8000 x 4500 (mm), the size (width x height) of the lower array surface is 8000 x 2250 (mm), the size (width x height) of the upper array surface is 8000 x 2250 (mm), the upper driving device and the lower driving device are hydraulically driven, the action strokes are consistent, the lengths of left connecting rods and right connecting rods are consistent, the lengths of the left connecting rods and the right connecting rods are both 400mm, and the upper driving device and the lower driving device are provided with hydraulic locking bolts and hooks for locking the folding state of the antenna array surface. By means of the driving device and the connecting rod, the upper array surface is unfolded at 0-180 degrees through one-time unfolding and relay unfolding, the overall flatness error of the upper array surface and the lower array surface after unfolding is not more than 3mm, and the device has good rigidity and wind resistance.
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 (7)
1. The relay type antenna array surface unfolding and folding mechanism is characterized in that the antenna array surface comprises an upper array surface (2) and a lower array surface (1), and the lower array surface (1) is hinged with the upper array surface (2);
the antenna array surface unfolding and folding mechanism comprises one or two unfolding and folding units, and the unfolding and folding units are arranged on the side of the antenna array;
the unfolding and folding unit includes: a lower driving device (3), an upper driving device (4) and a connecting rod (5);
one end of the connecting rod (5) is hinged with a hinge shaft between the lower array surface (1) and the upper array surface (2), and the other end of the connecting rod (5) is respectively hinged with one end parts of the lower driving device (3) and the upper driving device (4);
the other ends of the lower driving device (3) and the upper driving device (4) are respectively hinged with the side walls of the lower array surface (1) and the upper array surface (2);
when the antenna array is in a folded state, the lower array surface (1) is parallel to the upper array surface (2), and an included angle between the lower array surface (1) and the upper array surface (2) is 0 degree;
when the antenna array is unfolded once, the lower driving device (3) stretches to drive the connecting rod (5), the upper driving device (4) and the upper array surface (2) to act, and when the lower driving device (3) acts to a preset position, the lower driving device (3), the lower array surface (1) and the connecting rod (5) form a group of triangular structures, and the upper array surface (2) is unfolded from 0 degrees to 90 degrees;
when the antenna array is subjected to relay unfolding, the upper driving device (4) stretches to drive the upper array surface (2) to act until the upper array surface (2) is unfolded to a preset position, and the upper driving device (4), the upper array surface (2) and the connecting rod (5) form another group of triangular structures to realize that the upper array surface (2) is unfolded from 90 degrees to 180 degrees.
2. Relay antenna array unfolding and folding mechanism as claimed in claim 1 characterized in that when the antenna array is folded once, the upper driving device (4) shortens to drive the upper array (2) to act to complete the folding of the upper array (2) from 180 ° to 90 °.
3. The relay antenna array unfolding and folding mechanism according to claim 2, wherein when the antenna array is relay folded,
the lower driving device (3) shortens to drive the connecting rod (5), the upper driving device (4) and the upper array surface (2) to act, and the upper array surface (2) is folded from 90 degrees to 0 degrees.
4. A relay antenna array unfolding folding mechanism as claimed in claim 3, wherein the unfolding folding unit further comprises: a locking device (6) and a hook (7),
the two array surfaces of the antenna array are respectively provided with a locking device (6) and a hook (7), and when the antenna array is in a folded state, the hook (7) is hung on the locking device (6) to fix the positions of the two array surfaces of the antenna array.
5. Relay antenna array unfolding and folding mechanism according to claim 4 characterized in that the lower driving means (3), upper driving means (4) and locking means (6) are hydraulically or electrically driven.
6. The relay antenna array face unfolding and folding mechanism as claimed in claim 1, wherein when the antenna array face unfolding and folding mechanism comprises two unfolding and folding units, the two unfolding and folding units are symmetrically arranged at the sides of the antenna array.
7. Relay antenna array unfolding and folding mechanism according to claim 1 characterized in that the lower array (1) is fixed to a supporting frame (8).
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CN115425383B true CN115425383B (en) | 2024-04-12 |
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