CN113097738B - Parabolic antenna cable net adjusting platform and adjusting method - Google Patents
Parabolic antenna cable net adjusting platform and adjusting method Download PDFInfo
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- CN113097738B CN113097738B CN202110271627.0A CN202110271627A CN113097738B CN 113097738 B CN113097738 B CN 113097738B CN 202110271627 A CN202110271627 A CN 202110271627A CN 113097738 B CN113097738 B CN 113097738B
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q15/00—Devices for reflection, refraction, diffraction or polarisation of waves radiated from an antenna, e.g. quasi-optical devices
- H01Q15/14—Reflecting surfaces; Equivalent structures
- H01Q15/16—Reflecting surfaces; Equivalent structures curved in two dimensions, e.g. paraboloidal
- H01Q15/161—Collapsible reflectors
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Abstract
The invention provides a parabolic antenna cable net adjusting platform and an adjusting method, wherein the adjusting platform comprises bottom plates, adjusting rods, connecting plates and connecting ropes, the bottom ends of the adjusting rods are arranged on the bottom plates, and the top end of each adjusting rod is connected with the top end of the adjacent adjusting rod through a plurality of connecting ropes which are arranged in a cross mode.
Description
Technical Field
The invention relates to the technical field of antennas, in particular to a parabolic antenna cable net adjusting platform and a parabolic antenna cable net adjusting method.
Background
Each node of the perimeter truss-type parabolic antenna is often connected to multiple cables simultaneously, and the location of each node requires accurate positioning and connection. Meanwhile, in order to ensure the cable net precision of the parabolic antenna, the cable net needs to be tensioned and subjected to adjustment test.
The final state of the parabolic antenna needs to connect each node with the bottom surface through a vertical stay cord, but the vertical stay cord is flexible, so that the nodes are not easy to fix and support, and the mesh surface is not easy to form. The existing antenna cable net adjusting device is mainly used for directly adjusting a vertical pull rope, and the adjusting mode of using an adjusting rod lacks special and standardized design, so that the cable net adjusting efficiency is low and the adjusting precision is influenced.
Patent document CN108511921B discloses a cable net antenna, a metal net structure for cable net antenna, and a manufacturing method thereof, where the metal net structure for cable net antenna includes a metal net and a matching line, the matching line is located on a reflection surface of the metal net, and is provided with at least two matching line fixing points corresponding to cable net nodes, the matching line fixing points are fixedly connected to the metal net, a part of the matching line except the fixing points is connected to the metal net, and the relative position of the matching line and the metal net changes within a preset range, and when the metal net structure is in an application state, the matching line is tightened, but the design adjustment range is narrow, and the precision and the reflection effect are poor.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a parabolic antenna cable net adjusting platform and an adjusting method.
The parabolic antenna cable net adjusting platform provided by the invention comprises a bottom plate, an adjusting rod, a connecting plate and a connecting rope;
the bottom plates are connected through the connecting plates, the bottom ends of the adjusting rods are installed on the bottom plates, and the top end of each adjusting rod is connected with the top end of the adjacent adjusting rod through a plurality of connecting ropes which are arranged in a crossed mode.
Preferably, the adjusting rods arranged on the outer rings are in a regular polygon arrangement structure.
Preferably, the adjusting rods arranged on the polygonal edge are connected with at least 3 adjacent adjusting rods through connecting ropes;
the adjusting rods arranged inside the polygonal edges are connected with at least 6 adjacent adjusting rods through connecting ropes.
Preferably, the adjusting rod is connected with the connecting rope through a node connecting device arranged at the top end, and the positions of the cable net nodes can be adjusted within a preset range by adjusting the adjusting rod and the connecting rope.
Preferably, a plurality of the connecting ropes connect a plurality of the nodes to form a parabolic cable net.
Preferably, the bottom end of the adjusting rod is mounted on the bottom plate through a detachable mounting flange, and the height of the adjusting rod can be adjusted through adjusting the fixing position of the adjusting rod and the detachable mounting flange.
Preferably, the adjusting rod arranged on the inner ring can be replaced by a vertical pull rope, wherein the top end of the vertical pull rope is connected with the node connecting device, and the bottom end of the vertical pull rope is connected with the detachable mounting flange.
Preferably, the number of the bottom plates is 4, the splicing seams of the 4 bottom plates are in a cross structure, and the center of the cross structure deviates from the center of the antenna cable net.
Preferably, the bottom of the bottom plate is provided with a horse wheel.
The invention provides a method for adjusting a parabolic antenna cable net, which comprises the following steps:
s1: the method comprises the following steps that (1) Froude wheels are installed on each bottom plate, the height of each bottom plate is adjusted through the Froude wheels, the heights of the bottom plates are guaranteed to be consistent, the bottom plates are spliced through connecting plates under the condition that 4 bottom plates are located on the same plane, and the Froude wheels are locked and fixed after splicing;
s2: determining the net surface forming mode and precision of the paraboloid, calculating the coordinates of each node of the paraboloid antenna so as to determine the number, the length and the position of the adjusting rods on the base plate, and adjusting and assembling the adjusting rods according to the calculation result;
s3: the adjusting rods are respectively arranged on the corresponding positions of the bottom plate, so that each node of the net surface is fixed;
s4: connecting and tensioning the node connecting device on the adjusting rod by using a connecting rope to form a paraboloid;
s5: keeping the node connecting device on the adjusting rod unchanged, detaching other parts on the inner ring adjusting rod and replacing the other parts with vertical pull ropes, wherein the upper parts of the vertical pull ropes are connected with the node connecting device, and the lower parts of the vertical pull ropes are installed on the bottom plate through flanges at the bottom of the original adjusting rod to complete the adjustment of the antenna cable net.
Compared with the prior art, the invention has the following beneficial effects:
1. according to the invention, the adjusting rod is used for replacing the traditional vertical pull rope for adjustment during cable net adjustment, the adjusting rod is used for vertical support, the adjusting process of the parabolic antenna cable net is integrated and normalized, and the cable net adjustment can be conveniently, efficiently and reliably completed.
2. The paraboloid shaping device can shape and strain the paraboloid through the base and the balancing weight which are fixed below, is surface shaping, is easier to adjust the net surface compared with point shaping in the traditional design, and has wider adjustment range.
3. According to the invention, the adjusting rod can be directly replaced by the vertical pull rope after the antenna cable net is adjusted, the net surface adjustment in the subsequent vertical pull rope state is more convenient, the change of the connecting node is not easy to generate, and the precision of the net surface is ensured.
4. The top view of the adjusting platform in the invention is a polygonal structure close to a circle, and compared with a rectangular structure in the prior art, the adjusting platform is more widely applied to the practicability of an antenna reflecting surface, has higher precision and better reflecting effect.
5. According to the invention, the splicing seams of the bottom plate are in a cross structure when being overlooked, the center of the cross structure is deviated from the center of the antenna cable net surface, the splicing area of the bottom plate can avoid the counter bore for installing the adjusting rod, and the influence of the splicing seams on the position precision of the adjusting rod can be effectively avoided.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic front view of the structure;
FIG. 3 is a schematic top view of the structure;
FIG. 4 is a schematic structural view of an outer ring adjustment lever;
FIG. 5 is a schematic structural view of an inner ring adjusting rod;
fig. 6 is a schematic structural view of the joint connecting device when the adjusting rod is connected through the vertical pull rope.
The figures show that:
1-bottom plate 8-detachable mounting flange
2-adjusting rod 9-set screw
3-Frounet horse wheel 10-first outer ring adjusting rod
4-connecting plate 11-second outer ring adjusting rod
5-connecting rope 12-edge adjusting rod
6-node connecting device 13-edge internal adjusting rod
7-vertical pull rope
Detailed Description
The present invention will be described in detail with reference to specific examples. The following examples will assist those skilled in the art in further understanding the invention, but are not intended to limit the invention in any way. It should be noted that it would be obvious to those skilled in the art that various changes and modifications can be made without departing from the spirit of the invention. All falling within the scope of the invention.
Example 1:
the invention provides a parabolic antenna cable net adjusting platform which comprises bottom plates 1, adjusting rods 2, connecting plates 4 and connecting ropes 5, wherein the connecting ropes 5 are preferably steel wire ropes, a plurality of the bottom plates 1 are connected through the connecting plates 4 to form a coplanar structure, and the bottom plates 1 are preferably connected and fixed through the connecting plates 4 matched with screws. The bottom ends of the adjusting rods 2 are arranged on the bottom plate 1, and the top end of each adjusting rod 2 is connected with the top end of the adjacent adjusting rod 2 through a plurality of connecting ropes 5 which are arranged in a crossed mode. The adjusting rod 2 is preferably connected with the connecting rope 5 through a node connecting device 6 arranged at the top end, the positions of cable net nodes can be adjusted within a preset range by adjusting the adjusting rod 2 and the connecting rope 5, and the connecting ropes 5 are connected with a plurality of cable net nodes to form a parabolic cable net, so that the adjustment of the parabolic antenna cable net can be completed.
Further, after the position of the cable net node is adjusted in place, the node connecting device 6 on the adjusting rod 2 can be kept unchanged for the inner ring adjusting rod 2, the inner ring adjusting rod 2 is replaced by a vertical pull rope 7, as shown in fig. 6, the inner ring adjusting rod 2 is disassembled and replaced by the vertical pull rope 7, wherein the top end of the vertical pull rope 7 is connected with the node connecting device 6, and the bottom end of the vertical pull rope 7 is connected with the detachable mounting flange 8.
Specifically, adjust the bottom of pole 2 and install through dismantling mounting flange 8 the bottom plate 1 go up and can through adjust pole 2 with can dismantle mounting flange 8's fixed position is adjusted adjust pole 2's height, in the installation, according to the coordinate of target parabolic each point, will adjust pole 2 and install the position that corresponds at bottom plate 1, be provided with set screw 9 on the dismantling mounting flange 8, adjust pole 2 and can dismantle mounting flange 8's relative position according to the position control of cable net node, screw up set screw 9 and accomplish altitude mixture control after adjusting pole 2 and adjusting to corresponding height. Wherein, each adjusting rod 2 can be designed into different heights according to the paraboloid coordinates so as to match the requirements of height adjustment of different cable net nodes.
Furthermore, a plurality of counter bores are distributed on the bottom plate 1 according to the coordinates of each point of the paraboloid, threads are arranged in the counter bores, the size of the counter bores is matched with that of the detachable mounting flange 8 of the adjusting rod 2, and the detachable mounting flange 8 is mounted in the corresponding counter bores through screws to fix the detachable mounting flange 8.
As shown in fig. 1 and fig. 2, the adjusting rods 2 arranged on the outer rings are in a regular polygon arrangement structure, the adjusting rods 2 arranged on the polygon edges are connected with at least 3 adjacent adjusting rods 2 through connecting ropes 5, and the adjusting rods 2 arranged inside the polygon edges are connected with at least 6 adjacent adjusting rods 2 through connecting ropes 5.
It should be noted that, adjusting pole 2 and being divided into outer lane regulation pole and inner circle regulation pole, both are different in the design, and the main difference lies in: the inner ring of adjustment rods is generally cylindrical and, as shown in fig. 5, interconnects 6 or 5 adjustment rods 2 at the periphery, while the outermost ring of adjustment rods is generally square and, as shown in fig. 4, interconnects only 3 or 4 adjustment rods 2 in one direction.
Specifically, the bottom of the bottom plate 1 is provided with a horse wheel 3, and the horse wheel 3 is used for moving, height adjusting and fixing the bottom plate 1.
The invention also provides a method for adjusting the cable net of the parabolic antenna, which comprises the following steps:
s1: the method comprises the following steps that a horse wheel 3 is arranged on each bottom plate 1, the height of each bottom plate 1 is adjusted through the horse wheel 3, the heights of the bottom plates 1 are guaranteed to be consistent, the bottom plates 1 are spliced through a connecting plate 4 under the condition that 4 bottom plates 1 are located on the same plane, and the horse wheel 3 is locked and fixed after splicing;
s2: determining the net surface forming mode and precision of the paraboloid, calculating the coordinates of each node of the paraboloid antenna so as to determine the number, the length and the position of the adjusting rods on the bottom plate 1, and adjusting and assembling the adjusting rods 2 according to the calculation result;
s3: the adjusting rods 2 are respectively arranged on the corresponding positions of the bottom plate 1, so that each node of the net surface is fixed;
s4: connecting and tensioning a node connecting device 6 on the adjusting rod 2 by using a connecting rope 5 to form a paraboloid;
s5: keeping the node connecting device 6 on the adjusting rod 2 unchanged, detaching other parts on the inner ring adjusting rod 2 and replacing the other parts with vertical pull ropes 7, connecting the upper parts of the vertical pull ropes 7 with the node connecting device 6, and installing the lower parts of the vertical pull ropes on the bottom plate 4 through a flange 8 at the bottom of the original adjusting rod 2 to complete the adjustment of the antenna cable mesh node.
Example 2:
this embodiment is a preferred embodiment of embodiment 1.
In this embodiment, as shown in fig. 3, the first outer ring adjusting rod 10 and the second outer ring adjusting rod 11 are outer ring adjusting rods, wherein the first outer ring adjusting rod 10 is connected to 3 adjacent adjusting rods 2 through a connecting rope 5, the second outer ring adjusting rod 11 is connected to 4 adjacent adjusting rods 2 through a connecting rope 5, the number of the outer ring adjusting rods in this embodiment is 12, and 12 outer ring adjusting rods jointly form a regular dodecagon arrangement structure.
Further, the edge adjusting bars 12 are arranged at the edges of the polygon, and the edge inside adjusting bars 13 are arranged inside the edges of the polygon, and are connected with 6 adjacent adjusting bars 2 through the connecting ropes 5.
In this embodiment, as shown in fig. 3, the number of the bottom plates 1 is 4, the size of the 4 bottom plates 1 is different, the splicing seams of the bottom plates 1 are overlooked to form a cross structure, the center of the cross structure deviates from the center of the antenna cable mesh surface, the design enables the area spliced by the bottom plates 1 to avoid the counter bore in which the adjusting rod 2 is installed, and the position accuracy of the adjusting rod 2 can be further ensured.
In this embodiment, 4 sets of wheel 3 are installed below 4 bottom plates 1 respectively, and 16 wheels 3 are installed in 4 bottom plates 1, and the 4 bottom plates 1 can be moved, height-adjusted and fixed by the wheels 3.
The size of the parabolic antenna cable net adjusting platform in the embodiment is 3.6 multiplied by 3.6m, the parabolic mesh antenna cable net adjusting with the diameter less than or equal to 3m can be adjusted, and the shape precision can reach 5 mm.
In summary, the present invention can install the adjusting rod 2 on the bottom plate 1 according to the coordinates of each point of the target paraboloid, and then adjust the height of the adjusting rod 2 to determine the position of each cable net node on the adjusting rod 2. And connecting and tensioning cable net nodes by using steel wire ropes to form the parabolic cable net so as to complete the adjustment of the parabolic antenna cable net. The platform provides a structure with higher precision and more effectiveness for the adjustment of the cable net of the parabolic antenna, integrates and standardizes the adjustment process of the cable net of the parabolic antenna, and can ensure that the adjustment of the cable net is conveniently, efficiently and reliably completed.
In the description of the present application, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the present application and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present application.
The foregoing description of specific embodiments of the present invention has been presented. It is to be understood that the present invention is not limited to the specific embodiments described above, and that various changes or modifications may be made by one skilled in the art within the scope of the appended claims without departing from the spirit of the invention. The embodiments and features of the embodiments of the present application may be combined with each other arbitrarily without conflict.
Claims (5)
1. A parabolic antenna cable net adjusting platform is characterized by comprising a bottom plate (1), an adjusting rod (2), a connecting plate (4) and a connecting rope (5);
the bottom plates (1) are connected through the connecting plates (4), the bottom ends of the adjusting rods (2) are installed on the bottom plates (1), and the top end of each adjusting rod (2) is connected with the top end of the adjacent adjusting rod (2) through a plurality of connecting ropes (5) which are arranged in a crossed mode;
the adjusting rods (2) arranged on the outer rings are in regular polygonal arrangement structures;
the adjusting rods (2) arranged at the polygonal edges are connected with at least 3 adjacent adjusting rods (2) through connecting ropes (5); the adjusting rods (2) arranged inside the polygonal edge are connected with at least 6 adjacent adjusting rods (2) through connecting ropes (5);
the adjusting rod (2) is connected with the connecting rope (5) through a node connecting device (6) arranged at the top end, and the positions of cable net nodes can be adjusted within a preset range by adjusting the adjusting rod (2) and the connecting rope (5);
a plurality of connecting ropes (5) are connected with a plurality of nodes to form a parabolic rope net;
the bottom of adjusting pole (2) is installed through dismantling mounting flange (8) bottom plate (1) go up and can through adjust with the fixed position of dismantling mounting flange (8) is adjusted the height of adjusting pole (2).
2. Parabolic aerial cable network adjustment platform according to claim 1, characterised in that the inner circle arranged adjustment rod (2) can be replaced by a vertical stay (7), wherein the top end of the vertical stay (7) is connected to the node connection means (6) and the bottom end of the vertical stay (7) is connected to the detachable mounting flange (8).
3. The parabolic antenna rigging network adjustment platform according to claim 1, wherein the number of the base plates (1) is 4, and the splicing seams of the 4 base plates (1) are in a cross-shaped structure, and the center of the cross-shaped structure is offset from the center of the antenna rigging network.
4. Parabolic aerial cable adjusting platform according to claim 1, characterised in that the bottom of the base plate (1) is provided with a horsewheel (3).
5. A method for adjusting a parabolic antenna cable net, which is characterized in that the parabolic antenna cable net adjusting platform of any one of claims 1 to 4 is adopted, and the method comprises the following steps:
s1: the Fuma wheel (3) is arranged on each bottom plate (1), the height of each bottom plate (1) is adjusted through the Fuma wheel (3), the heights of the bottom plates (1) are guaranteed to be consistent, the bottom plates (1) are spliced through the connecting plates (4) under the condition that 4 bottom plates (1) are positioned on the same plane, and the Fuma wheel (3) is locked and fixed after splicing;
s2: determining the net surface forming mode and precision of the paraboloid, calculating the coordinates of each node of the paraboloid antenna so as to determine the number and the length of the adjusting rods (2) and the position of the adjusting rods (2) on the bottom plate (1), and adjusting and assembling the adjusting rods (2) according to the calculation result;
s3: the adjusting rods (2) are respectively arranged on the corresponding positions of the bottom plate (1), so that each node of the net surface is fixed;
s4: connecting and tensioning a node connecting device (6) on the adjusting rod (2) by using a connecting rope (5) to form a paraboloid;
s5: keep adjusting nodal connection device (6) on pole (2) unchangeable, pull down other parts on inner circle regulation pole (2) and replace and be vertical stay cord (7), vertical stay cord (7) upper portion links to each other with nodal connection device (6), and the lower part is installed on bottom plate (4) through flange (8) of former regulation pole (2) bottom, accomplishes the regulation of antenna cable net.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110271627.0A CN113097738B (en) | 2021-03-12 | 2021-03-12 | Parabolic antenna cable net adjusting platform and adjusting method |
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| CN202110271627.0A CN113097738B (en) | 2021-03-12 | 2021-03-12 | Parabolic antenna cable net adjusting platform and adjusting method |
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| CN113097738B true CN113097738B (en) | 2022-07-12 |
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| CN113991317B (en) * | 2021-11-26 | 2024-06-25 | 中国科学院合肥物质科学研究院 | Main framework type cable network partition control structure system and adjusting method thereof |
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| CN102248287A (en) * | 2010-05-17 | 2011-11-23 | 瑞纳股份有限公司 | Method and device for the calibration of a laser head |
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