CN113300121A - Changeable polarization turnable antenna transmission device - Google Patents
Changeable polarization turnable antenna transmission device Download PDFInfo
- Publication number
- CN113300121A CN113300121A CN202110576924.6A CN202110576924A CN113300121A CN 113300121 A CN113300121 A CN 113300121A CN 202110576924 A CN202110576924 A CN 202110576924A CN 113300121 A CN113300121 A CN 113300121A
- Authority
- CN
- China
- Prior art keywords
- bevel gear
- slave
- main
- shaft
- frame
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 230000005540 biological transmission Effects 0.000 title claims abstract description 129
- 230000010287 polarization Effects 0.000 title claims abstract description 67
- 230000007246 mechanism Effects 0.000 claims abstract description 37
- 238000003491 array Methods 0.000 abstract description 14
- 230000007306 turnover Effects 0.000 abstract description 12
- 239000002699 waste material Substances 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 11
- 230000033001 locomotion Effects 0.000 description 6
- 230000009471 action Effects 0.000 description 5
- 230000008859 change Effects 0.000 description 5
- 230000005484 gravity Effects 0.000 description 5
- 229910000831 Steel Inorganic materials 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 3
- 238000001514 detection method Methods 0.000 description 3
- 230000003028 elevating effect Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 241000220317 Rosa Species 0.000 description 1
- 230000002457 bidirectional effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- 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
- H01Q15/24—Polarising devices; Polarisation filters
-
- 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
- H01Q1/084—Pivotable antennas
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/12—Supports; Mounting means
-
- 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
- H01Q15/24—Polarising devices; Polarisation filters
- H01Q15/242—Polarisation converters
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
Landscapes
- Variable-Direction Aerials And Aerial Arrays (AREA)
Abstract
The invention relates to a polarization-changing turnable antenna transmission device which comprises a driving mechanism, a fixed assembly, a movable machine base, an array assembly, a rack and a lifting assembly, wherein the driving mechanism is arranged at the top of the rack and connected with one end of the transmission assembly arranged in the rack, the other end of the transmission assembly penetrates through a fixed base, the movable machine base is connected with the array assembly, the fixed base is fixed on the periphery of the rack, one end of the fixed base, which is far away from the rack, is hinged with the movable machine base, the movable machine base can rotate around a hinge axis, the top of the movable machine base is connected with the lifting assembly through a connecting piece, the bottom of the lifting assembly is connected with the rack, and the lifting assembly drives the movable machine base to turn over through the connecting piece. The invention can realize that the variable polarization antenna transmission device adopts a single driving mechanism to synchronously control the polarization modes and the turnover of the four arrays, has various polarization modes and has simple structure; all the arrays can work, and the problem of resource waste is solved.
Description
Technical Field
The invention relates to the technical field of radar detection, in particular to a variable polarization turnable antenna transmission device.
Background
With the rapid development of radar detection technology, the polarization-changing technology of radar antennas is a widely applied and effective technology in radar detection systems, and rapidly becomes a hot research direction in radar electronic warfare. The polarization mode of the current antenna mainly comprises horizontal polarization and vertical polarization, and required information is received by adjusting the polarization mode of the antenna.
When the existing polarization-variable antenna device applies a polarization working mode, the elements in other polarization modes do not participate in working, for example, a known polarization-variable antenna unit (application number is CN112003005A) includes a first element and a second element which have the same structure and are symmetrically arranged with each other, and the first element and the second element are both in a right-angled trapezoid structure; according to the invention, two antenna units of vertical polarization and horizontal polarization are combined, radiation circular polarization waveforms are arranged according to a phase difference of ninety degrees, the system can also transmit elliptical polarization electromagnetic wave signals and oblique polarization electromagnetic wave signals through phase control, but in the patent scheme, a plurality of arrays with different polarization modes are installed to switch the polarization modes, so that a large amount of cost and space are consumed, and when one polarization mode is applied to work, the arrays in other polarization modes do not participate in the work, so that the resource waste is caused.
Disclosure of Invention
The technical problem to be solved by the invention is to provide a variable polarization turnable antenna transmission device, so as to solve the problem that when the existing variable polarization antenna works in a polarization mode, other arrays do not participate in the work, so that the resource is wasted.
The invention solves the technical problems through the following technical means:
the utility model provides a changeable polarization antenna transmission that can overturn, includes actuating mechanism, fixed subassembly, moves frame, array subassembly, frame, lifting unit, wherein, actuating mechanism sets up in the top of frame, actuating mechanism is connected with the one end that sets up the inside transmission assembly of frame, transmission assembly's the other end runs through fixed baseplate, moves the frame and is connected with the array subassembly, fixed baseplate is fixed in the week side of frame, the one end that fixed baseplate kept away from the frame is articulated with moving the frame, move the frame and can rotate round articulated axis, it is connected with lifting unit to pass through the connecting piece at the top that moves the frame still, lifting unit's bottom and frame are connected, lifting unit passes through the connecting piece and drives the frame upset.
The driving mechanism works to adjust the array sub-assembly to change through the transmission assembly, when the lifting assembly rises, the connecting piece is tightened to turn over the movable base upwards, when the lifting assembly falls, the connecting piece is lengthened to turn over the movable base downwards, and the polarized antenna transmission device can synchronously control four array polarization modes and turn over by adopting a single driving mechanism, has multiple polarization modes and has a simple structure; all the arrays can work, and the problem of resource waste is solved.
As a further scheme of the invention: the transmission assembly comprises a pinion, a large bevel gear, a first main bevel gear a, a first slave bevel gear b, a first transmission shaft, a second main bevel gear a, a second slave bevel gear b, a third main bevel gear a, a third slave bevel gear b, a second transmission shaft, a fourth main bevel gear a, a fourth slave bevel gear b, a fifth main bevel gear a, a fifth slave bevel gear b, a third transmission shaft, a sixth main bevel gear a, a sixth slave bevel gear b, a fourth transmission shaft, a seventh main bevel gear a and a seventh slave bevel gear b;
the small bevel gear is fixedly connected to an output shaft of the driving mechanism, the small bevel gear is meshed with the large bevel gear, the axes of the small bevel gear and the large bevel gear are intersected, the large bevel gear is fixedly connected with one end of a first transmission shaft, the first transmission shaft is installed in an inner cavity of the rack through a bearing and is close to the edge, and the axis of the servo motor is perpendicular to the axis of the first transmission shaft;
the other end of the first transmission shaft is fixedly connected with a second main bevel gear a, the second main bevel gear a is meshed with a second slave bevel gear b, the axes of the second main bevel gear a and the second slave bevel gear b are intersected, the second slave bevel gear b is fixedly connected with one end of a second transmission shaft, and the second transmission shaft is arranged in an inner cavity of the rack through a bearing and is close to the edge;
the other end of the second transmission shaft is fixedly connected with a fourth main bevel gear a, a fourth slave bevel gear b and the fourth main bevel gear a are meshed with each other, the axes of the fourth slave bevel gear b and the fourth main bevel gear a are intersected, the fourth slave bevel gear b is fixedly connected with one end of a third transmission shaft, the third transmission shaft is installed in an inner cavity of the rack through a bearing and is close to the edge, the other end of the third transmission shaft is fixedly connected with a fifth main bevel gear a, and the fifth slave bevel gear b and the fifth main bevel gear a are meshed with each other;
the fifth driven bevel gear b is fixedly connected to one end of a fourth transmission shaft, and the fourth transmission shaft is arranged in an inner cavity of the frame through a bearing and is close to the edge; the first main bevel gear a is coaxially arranged near the middle part of the first transmission shaft, the first auxiliary bevel gear b is positioned at one side of the first main bevel gear a, the first auxiliary bevel gear b and the first main bevel gear a are meshed with each other, and the axes of the first auxiliary bevel gear b and the first main bevel gear a are crossed.
As a further scheme of the invention: the axes of the first transmission shaft, the second transmission shaft, the third transmission shaft and the fourth transmission shaft are in a plane.
As a further scheme of the invention: the modules of the small bevel gear, the large bevel gear, the first main bevel gear a, the first slave bevel gear b, the second main bevel gear a, the second slave bevel gear b, the third main bevel gear a, the third slave bevel gear b, the fourth main bevel gear a, the fourth slave bevel gear b, the fifth main bevel gear a, the fifth slave bevel gear b, the sixth main bevel gear a, the sixth slave bevel gear b, the seventh main bevel gear a and the seventh slave bevel gear b are the same, and straight bevel gears or spiral bevel gears are adopted.
As a further scheme of the invention: the first main bevel gear a and the first slave bevel gear b, the second main bevel gear a and the second slave bevel gear b, the third main bevel gear a and the third slave bevel gear b, the fourth main bevel gear a and the fourth slave bevel gear b, the fifth main bevel gear a and the fifth slave bevel gear b, the sixth main bevel gear a and the sixth slave bevel gear b, and the seventh main bevel gear a and the seventh slave bevel gear b are meshed with each other, the speed ratio is one, and the large bevel gear and the small bevel gear are adjustable in speed ratio.
As a further scheme of the invention: the array subassembly comprises a polar shaft b, a universal joint, a polar shaft a and an array; the first slave bevel gear b is fixedly connected to one end of the polar shaft b, the polar shaft b is installed in the inner cavity of the fixed base through a bearing, the other end of the polar shaft b is connected with one end of the polar shaft a through a universal joint, the polar shaft a is installed in the inner cavity of the movable base through a bearing, and the other end of the polar shaft a is fixedly connected with the array.
As a further scheme of the invention: and the rotating shaft of the universal joint is coaxial with the rotating shaft hinged with the movable base and the fixed base.
As a further scheme of the invention: the universal joint is a double-joint universal joint.
As a further scheme of the invention: the driving mechanism is a servo motor.
As a further scheme of the invention: the lifting mechanism is a lifting vertical box.
As a further scheme of the invention: the crane is arranged in the inner cavity of the rack and can move up and down along the inner wall of the rack.
The invention has the advantages that:
1. according to the invention, the array component can be adjusted to change by the driving mechanism through the transmission component, when the lifting component rises, the connecting piece is tightened so as to turn over the movable base upwards, when the lifting component falls, the connecting piece is lengthened so as to turn over the movable base downwards, so that the polarized antenna transmission device synchronously controls four array polarization modes and turning over by adopting a single driving mechanism, has multiple polarization modes and has a simple structure; all the arrays can work, and the problem of resource waste is solved.
2. The invention adopts a single driving unit to synchronously control the polarization mode and the turnover of the four arrays, and has the advantages of high transmission precision, quick switching, small installation and transportation space and the like.
3. The invention adopts the universal joint to realize the withdrawing and erecting of the coaxial antenna array and the constant-speed variable polarization of the array, thereby enhancing the maneuverability of the operation of the array, reducing the processing and mounting difficulty and improving the reliability of the conversion, the erecting and the withdrawing of the variable polarization state.
4. According to the invention, the rotation of a servo motor is transmitted to a plurality of arrays in different directions through the transmission of the bevel gears and the double-joint universal joint, so that the rapid conversion of the polarization states of the arrays is realized, the arrays have horizontal polarization and vertical polarization, the radar fighting capacity and the environmental adaptability are improved, the design cost is reduced, the control system is simplified, and the transmission and working accuracy is improved.
Drawings
Fig. 1 is a schematic three-dimensional structure diagram of a variable polarization antenna flipping mechanism provided in an embodiment of the present invention.
Fig. 2 is a working schematic diagram of a main transmission system of a variable polarization antenna turnover transmission device provided by the embodiment of the invention.
Fig. 3 is a working schematic diagram of a polarization-changing transmission system of a polarization-changing antenna turnover transmission device provided by the embodiment of the invention.
Fig. 4 is a schematic diagram of a retraction state of the variable polarization antenna flipping actuator according to the embodiment of the present invention.
Fig. 5 is a schematic diagram of the operation of the turning transmission device for a variable polarization antenna in a horizontal polarization state according to the embodiment of the present invention.
Fig. 6 is a schematic diagram of the operation of the turning transmission device for a variable polarization antenna in a vertical polarization state according to the embodiment of the present invention.
In the figure, 1: a servo motor; 2: fixing the base; 3: a movable machine base; 4: an array; 5: a frame; 6: a connecting member; 7: a lifting frame; 8: a bevel pinion gear; 9: a large bevel gear; 10 a: a first main bevel gear; 10 b: a first slave bevel gear; 11: a first drive shaft; 12 a: a second main bevel gear; 12 b: a second slave bevel gear; 13 a: a third main bevel gear; 13 b: a third slave bevel gear; 14: a second drive shaft; 15 a: a fourth main bevel gear; 15 b: a fourth slave bevel gear; 16 a: a fifth main bevel gear; 16 b: a fifth slave bevel gear; 17: a third drive shaft; 18 a: a sixth main bevel gear; 18 b: a sixth slave bevel gear; 19: a fourth drive shaft; 20 a: a seventh main bevel gear; 20 b: a seventh slave bevel gear; 21: polar axes b, 22: universal joint, 23: pole axis a.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are some embodiments of the present invention, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
Referring to fig. 1, fig. 1 is a schematic three-dimensional structure diagram of a turning transmission device for a variable polarization antenna according to an embodiment of the present invention, where the device includes: actuating mechanism 1, fixed subassembly 2, move frame 3, array sub-assembly 4, frame 5, lifting unit 7, wherein, actuating mechanism 1 sets up in the top of frame 5, actuating mechanism is connected with the one end that sets up in the inside transmission assembly of frame 5, transmission assembly's the other end runs through fixed baseplate 2, moves frame 3 and is connected with array sub-assembly 4, fixed baseplate 2 is fixed in frame 5's week side, fixed baseplate 2 keeps away from the one end of frame 5 and moves frame 3 articulated, move frame 3 and can rotate round articulated axis, it is connected with lifting unit 7 to pass through connecting piece 6 at the top that moves frame 3 still, lifting unit 7's bottom is connected with frame 5, lifting unit 7 drives through connecting piece 7 and moves frame 3 upset.
Wherein, the work of actuating mechanism 1 can adjust array subassembly 4 changes through drive assembly, and when lifting unit 7 rose, thereby tightens up connecting piece 7 and upwards overturn moving bed 3, when lifting unit 7 descended, thereby makes connecting piece 7 lengthen and overturn moving bed 3 downwards.
Further, drive actuating mechanism 1 is servo motor, through bolt or screw fixed connection in the top one corner of frame 5, the all side equipartitions of frame 5 link firmly four fixed frames through bolt or screw, and every fixed frame all articulates with moving frame 3 respectively, and moving frame 3 can rotate around articulated axis.
Fig. 2 is an operation schematic diagram of a main transmission system of a variable polarization antenna flipping-over transmission device provided by an embodiment of the present invention, and in fig. 2, the transmission assembly includes a pinion 8, a large bevel gear 9, a first main bevel gear 10a, a first slave bevel gear 10b, a first transmission shaft 11, a second main bevel gear 12a, a second slave bevel gear 12b, a third main bevel gear 13a, a third slave bevel gear 13b, a second transmission shaft 14, a fourth main bevel gear 15a, a fourth slave bevel gear 15b, a fifth main bevel gear 16a, a fifth slave bevel gear 16b, a third transmission shaft 17, a sixth main bevel gear 18a, a sixth slave bevel gear 18b, a fourth transmission shaft 19, a seventh main bevel gear 20a, and a seventh slave bevel gear 20 b.
The small bevel gear 8 is fixedly connected to an output shaft of the servo motor, the small bevel gear 8 is meshed with the large bevel gear 9, the axes of the small bevel gear 8 and the large bevel gear 9 intersect to form 90 degrees, the large bevel gear 9 is fixedly connected to one end of a first transmission shaft 11, the first transmission shaft 11 is mounted in an inner cavity of the frame 5 through a bearing and is close to an edge position, the axis of the servo motor is perpendicular to the axis of the first transmission shaft 11, the other end of the first transmission shaft 11 is fixedly connected with a second main bevel gear 12a, the second main bevel gear 12a is meshed with a second auxiliary bevel gear 12b, the axis intersects to form 90 degrees, the second auxiliary bevel gear 12b is fixedly connected to one end of a second transmission shaft 14, the second transmission shaft 14 is mounted in the inner cavity of the frame 5 through a bearing and is close to the edge position, the other end of the second transmission shaft 14 is fixedly connected with a fourth main bevel gear 15a, a fourth driven bevel gear 15b is meshed with the fourth main bevel gear 15a, the axes of the fourth driven bevel gear 15b intersect at 90 degrees, the fourth driven bevel gear 15b is fixedly connected with one end of a third transmission shaft 17, the third transmission shaft 17 is installed in the inner cavity of the frame 5 through a bearing and is close to the edge position, the other end of the third transmission shaft 17 is fixedly connected with a fifth main bevel gear 18a, the fifth driven bevel gear 18b is meshed with the fifth main bevel gear 18a, the axes of the fifth driven bevel gear 18b intersect at 90 degrees, the fifth driven bevel gear 18b is fixedly connected with one end of a fourth transmission shaft 19, and the fourth transmission shaft 19 is installed in the inner cavity of the frame 5 through a bearing and is close to the edge position; a first main bevel gear 10a is coaxially installed near the middle of the first transmission shaft 11, and a first slave bevel gear 10b is located on the side of the first main bevel gear 10a, and they are engaged with each other with the axes intersecting at 90 °.
Preferably, the small bevel gear 8, the large bevel gear 9, the first main bevel gear 10a, the first slave bevel gear 10b, the second main bevel gear 12a, the second slave bevel gear 12b, the third main bevel gear 13a, the third slave bevel gear 13b, the fourth main bevel gear 15a, the fourth slave bevel gear 15b, the fifth main bevel gear 16a, the fifth slave bevel gear 16b, the sixth main bevel gear 18a, the sixth slave bevel gear 18b, the seventh main bevel gear 20a and the seventh slave bevel gear 20b have the same module, and all adopt straight bevel gears or spiral bevel gears;
the first main bevel gear 10a and the first slave bevel gear 10b, the second main bevel gear 12a and the second slave bevel gear 12b, the third main bevel gear 13a and the third slave bevel gear 13b, the fourth main bevel gear 15a and the fourth slave bevel gear 15b, the fifth main bevel gear 16a and the fifth slave bevel gear 16b, the sixth main bevel gear 18a and the sixth slave bevel gear 18b, and the seventh main bevel gear 20a and the seventh slave bevel gear 20b are meshed with each other, the speed ratio is 1, and the large bevel gear 9 and the small bevel gear 8 are adjustable in speed ratio.
In addition, in order to ensure that the transmission can be performed with each other, the first transmission shaft 11, the second transmission shaft 14, the third transmission shaft 17 and the fourth transmission shaft 19 are arranged with their axes in a plane.
When the servo motor works, the servo motor drives the first transmission shaft 11 to rotate around the axis of the servo motor through the meshing of the small bevel gear 8 and the large bevel gear 9, the first transmission shaft 11 drives the second transmission shaft 14 to rotate around the axis of the servo motor through the meshing of the second main bevel gear 12a and the second auxiliary bevel gear 12b, the second transmission shaft 14 drives the third transmission shaft 17 to rotate around the axis of the servo motor through the meshing of the fourth main bevel gear 15a and the fourth auxiliary bevel gear 15b, and the third transmission shaft 17 drives the fourth transmission shaft 19 to rotate around the axis of the servo motor through the meshing of the fifth main bevel gear 18a and the fifth auxiliary bevel gear 18 b. The servo motor transmits the motion state to four transmission shafts arranged in different directions simultaneously through the transmission of a plurality of rows of bevel gears to rotate around the axes of the servo motor, so that a main transmission system is formed.
Fig. 3 is a schematic diagram of the operation of the polarization-changing transmission system of the polarization-changing antenna turnover transmission device provided by the embodiment of the present invention, in fig. 3, the array subassembly 4 includes a polar axis a21, a universal joint 22, a polar axis b23, and an array 41;
the first slave bevel gear 10b is fixedly connected to one end of a polar shaft b23, the polar shaft b23 is installed in the inner cavity of the fixed base 2 through a bearing, the other end of the polar shaft b23 is connected with one end of a polar shaft a21 through a universal joint 22, the polar shaft a21 is installed in the inner cavity of the movable base 3 through a bearing, the other end of the polar shaft a21 is fixedly connected with the array 41, and the rotating shaft of the universal joint 22 is coaxial with the hinged rotating shafts of the movable base 3 and the fixed base 2.
Furthermore, the joint is a double joint.
The polar shaft a and the polar shaft b are connected by a bidirectional universal joint, and the polar shaft a can rotate around the hinge axis of the movable base and the fixed base, so that the antenna array 41 is convenient to withdraw; because of the existence of errors such as processing, installation, the axis collineation of polar axis a and polar axis b can't be realized to the mobile frame under the effect of connecting piece accurately, and universal energy-conserving at this moment transmits polar axis b motion state to polar axis a, realizes array 41 change polarization state conversion, has improved mechanism operational reliability.
When the antenna is in a withdrawing state (see fig. 4, fig. 4 is a schematic drawing of the withdrawing state of the variable polarization antenna turnover transmission device provided by the embodiment of the invention), the lifting mechanism 7 is at the lowest end in the vertical direction, the four movable bases 3 rotate downwards around the hinge shaft under the action of gravity, and the withdrawing of the antenna array 41 can be realized by virtue of gravity. When the antenna needs to get into operating condition fast, elevating system 7 is along the horizontal upward movement of vertical direction, and elevating system 7 overcomes the effect of gravity through four mobile frames of connecting piece 6 drive and upwards rotates around the articulated shaft, and up to 41 axes of array be in the horizontality stop motion, elevating system 7 stop motion realizes erectting of antenna array 41.
When the antenna is withdrawn, the lifting mechanism 7 moves downwards, the movable base 3 rotates downwards around the hinged shaft of the movable base 3 and the fixed base 2 under the action of gravity, and meanwhile, the array 41 is driven to move downwards; when the antenna works, the lifting frame moves upwards to transmit the antenna to the working height, the movable base 3 is stretched to the horizontal state under the action of the connecting piece, and the antenna is retracted and erected by depending on the following principle of the lifting mechanism 7. Therefore, the variable polarization turnable antenna transmission mechanism can reduce the transportation and installation space. Preferably, the four arrays 41 have the same polarization state, and have both horizontal polarization and vertical polarization.
When the antenna is withdrawn, the lifting mechanism moves downwards, the movable base rotates downwards around the hinged shaft of the movable base and the fixed base under the action of gravity, and meanwhile, the array 41 is driven to move downwards; when the antenna works, the lifting frame moves upwards to transmit the antenna to the working height, and meanwhile, the movable base is stretched to the horizontal state under the action of the connecting piece, and the antenna is retracted and erected by means of the following principle of the lifting frame. Therefore, the transmission mechanism of the variable polarization turnable antenna can reduce the transportation and installation space
Referring to fig. 5 and fig. 6, fig. 5 is a schematic diagram illustrating a horizontal polarization state of a flipping mechanism of a variable polarization antenna according to an embodiment of the present invention, and fig. 6 is a schematic diagram illustrating a vertical polarization state of the flipping mechanism of the variable polarization antenna according to an embodiment of the present invention. When the first transmission shaft 11 rotates, the pole shaft b23 is driven to rotate around the axis thereof by the first main bevel gear 10a and the first auxiliary bevel gear 10b which are meshed with each other, and the pole shaft b23 drives the pole shaft a21 to rotate through the universal joint 22, so that the polarization state of the array 41 is changed. Similarly, the second transmission shaft, the third transmission shaft and the fourth transmission shaft respectively drive the arrays 41 in different directions to realize the synchronous change of the polarization states.
In the scheme of the embodiment of the present disclosure, the connecting member 6 is a steel wire rope or an elastic rope, preferably, a steel wire rope, the top of the moving base 3 is fixedly connected to one end of the steel wire rope, and the other end of the steel wire rope is fixedly connected to the lifting mechanism 7.
The lifting mechanism 7 is preferably a lifting vertical box, and the lifting frame 7 is arranged in the inner cavity of the rack 5 and can move up and down along the inner wall of the rack.
The working principle is as follows: the servo motor drives the first transmission shaft 11 to rotate around the axis of the servo motor through the meshing of the small bevel gear 8 and the large bevel gear 9, the first transmission shaft 11 drives the second transmission shaft 14 to rotate around the axis of the servo motor through the meshing of the second main bevel gear 12a and the second slave bevel gear 12b, the second transmission shaft 14 drives the third transmission shaft 17 to rotate around the axis of the servo motor through the meshing of the fourth main bevel gear 15a and the fourth slave bevel gear 15b, and the third transmission shaft 17 drives the fourth transmission shaft 19 to rotate around the axis of the servo motor through the meshing of the fifth main bevel gear 18a and the fifth slave bevel gear 18 b. The servo motor transmits the motion state to four transmission shafts arranged in different directions simultaneously through the transmission of a plurality of rows of bevel gears to rotate around the axis of the servo motor, so that a main transmission system is formed;
the pole shaft b23 drives the pole shaft a21 to rotate through the universal joint 22 by mutually meshing the first main bevel gear 10a and the first auxiliary bevel gear 10b to drive the pole shaft b23 to rotate around the axis of the pole shaft b, and therefore the polarization state of the array 41 is changed. In a similar way, the second transmission shaft, the third transmission shaft and the fourth transmission shaft respectively drive the arrays 41 in different directions to realize the synchronous change of the polarization state, the polarization-variable transmission mechanism is simple, and the high-precision and convenient polarization variation of the antenna can be realized.
The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (11)
1. The utility model provides a changeable polarization antenna transmission that overturns, its characterized in that includes actuating mechanism (1), fixed subassembly (2), moves frame (3), array subassembly (4), frame (5), lifting unit (7), wherein, actuating mechanism (1) sets up in the top of frame (5), actuating mechanism is connected with the one end that sets up the transmission subassembly in frame (5) inside, the other end of transmission subassembly runs through fixed baseplate (2), moves frame (3) and is connected with array subassembly (4), fixed baseplate (2) are fixed in the week side of frame (5), the one end that frame (5) were kept away from to fixed baseplate (2) is articulated with moving frame (3), moving frame (3) can rotate round the articulated axis, the top that moves frame (3) still is passed through connecting piece (6) and is connected with lifting unit (7), the bottom of the lifting component (7) is connected with the rack (5), and the lifting component (7) drives the moving base (3) to overturn through the connecting piece (7).
2. The variable polarization invertible antenna gearing according to claim 1, wherein the gearing assembly comprises a pinion (8), a large bevel gear (9), a first master bevel gear (10a), a first slave bevel gear (10b), a first drive shaft (11), a second master bevel gear (12a), a second slave bevel gear (12b), a third master bevel gear (13a), a third slave bevel gear (13b), a second drive shaft (14), a fourth master bevel gear (15a), a fourth slave bevel gear (15b), a fifth master bevel gear (16a), a fifth slave bevel gear (16b), a third drive shaft (17), a sixth master bevel gear (18a), a sixth slave bevel gear (18b), a fourth drive shaft (19), a seventh master bevel gear (20a), a seventh slave bevel gear (20 b);
the small bevel gear (8) is fixedly connected to an output shaft of the driving mechanism (1), the small bevel gear (8) is meshed with the large bevel gear (9), the axes of the small bevel gear (8) and the large bevel gear (9) are intersected, the large bevel gear (9) is fixedly connected with one end of a first transmission shaft (11), the first transmission shaft (11) is installed in an inner cavity of the rack (5) through a bearing and is close to the edge position, and the axis of the servo motor is perpendicular to the axis of the first transmission shaft (11);
the other end of the first transmission shaft (11) is fixedly connected with a second main bevel gear (12a), the second main bevel gear (12a) and a second slave bevel gear (12b) are meshed with each other, the axes of the second main bevel gear and the second slave bevel gear are intersected, the second slave bevel gear (12b) is fixedly connected with one end of a second transmission shaft (14), and the second transmission shaft (14) is installed in the inner cavity of the frame (5) through a bearing and is close to the edge position;
the other end of the second transmission shaft (14) is fixedly connected with a fourth main bevel gear (15a), a fourth slave bevel gear (15b) and the fourth main bevel gear (15a) are meshed with each other, the axes of the fourth slave bevel gear (15b) are intersected, the fourth slave bevel gear (15b) is fixedly connected with one end of a third transmission shaft (17), the third transmission shaft (17) is installed in the inner cavity of the rack (5) through a bearing and is close to the edge position, the other end of the third transmission shaft (17) is fixedly connected with a fifth main bevel gear (18a), and the fifth slave bevel gear (18b) and the fifth main bevel gear (18a) are meshed with each other;
the fifth driven bevel gear (18b) is fixedly connected to one end of a fourth transmission shaft (19), and the fourth transmission shaft (19) is installed in the inner cavity of the frame (5) through a bearing and is close to the edge position; a first main bevel gear (10a) is coaxially mounted near the middle of the first transmission shaft (11), and a first slave bevel gear (10b) is located on the side of the first main bevel gear (10a), and they are engaged with each other with their axes intersecting.
3. The variable polarization flip antenna actuator of claim 2, wherein the first (11), second (14), third (17) and fourth (19) drive shaft axes are in a plane.
4. The variable polarization invertible antenna transmission of claim 2, wherein the small bevel gear (8), the large bevel gear (9), the first main bevel gear (10a), the first slave bevel gear (10b), the second main bevel gear (12a), the second slave bevel gear (12b), the third main bevel gear (13a), the third slave bevel gear (13b), the fourth main bevel gear (15a), the fourth slave bevel gear (15b), the fifth main bevel gear (16a), the fifth slave bevel gear (16b), the sixth main bevel gear (18a), the sixth slave bevel gear (18b), the seventh main bevel gear (20a), and the seventh slave bevel gear (20b) have the same modulus, and all adopt straight bevel gears or spiral bevel gears.
5. The transmission of claim 2, wherein the first main bevel gear (10a) and the first slave bevel gear (10b), the second main bevel gear (12a) and the second slave bevel gear (12b), the third main bevel gear (13a) and the third slave bevel gear (13b), the fourth main bevel gear (15a) and the fourth slave bevel gear (15b), the fifth main bevel gear (16a) and the fifth slave bevel gear (16b), the sixth main bevel gear (18a) and the sixth slave bevel gear (18b), the seventh main bevel gear (20a) and the seventh slave bevel gear (20b) are meshed with each other and have a single speed ratio, and the large bevel gear (9) and the small bevel gear (8) have adjustable speed ratios.
6. The transmission device of claim 1, wherein the array assembly (4) comprises a polar axis b (23), a universal joint (22), a polar axis a (21) and an array (41); the first slave bevel gear (10b) is fixedly connected to one end of a polar shaft b (23), the polar shaft b (23) is installed in an inner cavity of the fixed base (2) through a bearing, the other end of the polar shaft b (23) is connected with one end of a polar shaft a (21) through a universal joint (22), the polar shaft a (21) is installed in an inner cavity of the movable base (3) through a bearing, and the other end of the polar shaft a (21) is fixedly connected with the oscillator (41).
7. The transmission device of claim 6, wherein the rotation axis of the universal joint (22) is coaxial with the hinge rotation axis of the movable base (3) and the fixed base (2).
8. The variable polarization flip antenna actuator of claim 7, wherein the gimbal is a double-joint gimbal.
9. The variable polarization invertible antenna actuator of claim 1, wherein the driving mechanism (1) is a servo motor.
10. The transmission device of claim 1, wherein the lifting mechanism (7) is a lifting shaft box.
11. The transmission device of the changeable polarization antenna of claim 1, wherein the lifting frame (7) is installed in the inner cavity of the frame (5) and can move up and down along the inner wall of the frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110576924.6A CN113300121B (en) | 2021-05-26 | 2021-05-26 | Changeable polarization antenna transmission device capable of overturning |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110576924.6A CN113300121B (en) | 2021-05-26 | 2021-05-26 | Changeable polarization antenna transmission device capable of overturning |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113300121A true CN113300121A (en) | 2021-08-24 |
| CN113300121B CN113300121B (en) | 2022-05-13 |
Family
ID=77325156
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110576924.6A Active CN113300121B (en) | 2021-05-26 | 2021-05-26 | Changeable polarization antenna transmission device capable of overturning |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113300121B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115006888A (en) * | 2022-06-20 | 2022-09-06 | 西安热工研究院有限公司 | Wisdom power plant is cleaning device of circulating equipment for cold water tower |
| WO2023219806A1 (en) * | 2022-05-12 | 2023-11-16 | Commscope Technologies Llc | Remote electronic tilt (ret) actuators for antennas and methods related to positioning same |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20140111376A1 (en) * | 2012-03-31 | 2014-04-24 | Stephanie M. Bench | Dual antenna systems with variable polarization |
| CN104752806A (en) * | 2013-12-27 | 2015-07-01 | 深圳市计量质量检测研究院 | Antenna tower and using method thereof |
| US9742058B1 (en) * | 2015-08-06 | 2017-08-22 | Gregory A. O'Neill, Jr. | Deployable quadrifilar helical antenna |
| CN108933332A (en) * | 2018-08-29 | 2018-12-04 | 中国电子科技集团公司第五十四研究所 | A kind of symmetrical four-freedom hybrid formula antenna structure system |
| CN109509984A (en) * | 2018-12-29 | 2019-03-22 | 西安恒达微波技术开发有限公司 | A kind of pulse polarization system applied to target following |
| CN109560366A (en) * | 2017-09-25 | 2019-04-02 | 周雅莉 | A kind of Variable Polarization Antenna and Variable Polarization Antenna array |
| CN109586003A (en) * | 2018-12-07 | 2019-04-05 | 武汉船舶通信研究所（中国船舶重工集团公司第七二二研究所） | Antenna assembly |
| CN110224227A (en) * | 2019-07-08 | 2019-09-10 | 上海机动车检测认证技术研究中心有限公司 | A kind of detection tool device |
| CN110492246A (en) * | 2019-08-13 | 2019-11-22 | 武汉虹信通信技术有限责任公司 | Antenna for base station lower decline angle adjusting transmission mechanism and antenna for base station |
| WO2021046149A1 (en) * | 2019-09-06 | 2021-03-11 | Commscope Technologies Llc | Remote electronic tilt base station antennas and mechanical calibration for such antennas |
-
2021
- 2021-05-26 CN CN202110576924.6A patent/CN113300121B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20140111376A1 (en) * | 2012-03-31 | 2014-04-24 | Stephanie M. Bench | Dual antenna systems with variable polarization |
| CN104752806A (en) * | 2013-12-27 | 2015-07-01 | 深圳市计量质量检测研究院 | Antenna tower and using method thereof |
| US9742058B1 (en) * | 2015-08-06 | 2017-08-22 | Gregory A. O'Neill, Jr. | Deployable quadrifilar helical antenna |
| CN109560366A (en) * | 2017-09-25 | 2019-04-02 | 周雅莉 | A kind of Variable Polarization Antenna and Variable Polarization Antenna array |
| CN108933332A (en) * | 2018-08-29 | 2018-12-04 | 中国电子科技集团公司第五十四研究所 | A kind of symmetrical four-freedom hybrid formula antenna structure system |
| CN109586003A (en) * | 2018-12-07 | 2019-04-05 | 武汉船舶通信研究所（中国船舶重工集团公司第七二二研究所） | Antenna assembly |
| CN109509984A (en) * | 2018-12-29 | 2019-03-22 | 西安恒达微波技术开发有限公司 | A kind of pulse polarization system applied to target following |
| CN110224227A (en) * | 2019-07-08 | 2019-09-10 | 上海机动车检测认证技术研究中心有限公司 | A kind of detection tool device |
| CN110492246A (en) * | 2019-08-13 | 2019-11-22 | 武汉虹信通信技术有限责任公司 | Antenna for base station lower decline angle adjusting transmission mechanism and antenna for base station |
| WO2021046149A1 (en) * | 2019-09-06 | 2021-03-11 | Commscope Technologies Llc | Remote electronic tilt base station antennas and mechanical calibration for such antennas |
Non-Patent Citations (1)
| Title |
|---|
| 路东伟: "目标全极化散射特性研究", 《中国优秀硕士学位论文全文数据库》 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023219806A1 (en) * | 2022-05-12 | 2023-11-16 | Commscope Technologies Llc | Remote electronic tilt (ret) actuators for antennas and methods related to positioning same |
| CN115006888A (en) * | 2022-06-20 | 2022-09-06 | 西安热工研究院有限公司 | Wisdom power plant is cleaning device of circulating equipment for cold water tower |
| CN115006888B (en) * | 2022-06-20 | 2024-01-30 | 西安热工研究院有限公司 | Cleaning device of circulation equipment for intelligent power plant cooling tower |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113300121B (en) | 2022-05-13 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN113300121B (en) | Changeable polarization antenna transmission device capable of overturning | |
| CN201194250Y (en) | Six degree of freedom parallel mechanism antenna seat | |
| CN100561163C (en) | The ocean floating platform simulator of frequency and adjustable angle | |
| CN104157977A (en) | Antenna structure system based on 3-RPS three-dimensional rotation type parallel mechanism | |
| CN210210398U (en) | Swing arm mechanism with tail end kept horizontal passively | |
| CN104218301A (en) | 3-UPU two-to-one parallel mechanism antenna structure system | |
| KR20120126804A (en) | Solar Tracking Driver using Electrical Cylinder | |
| CN101262086B (en) | Parallel antenna structure system | |
| CN108711666B (en) | Outdoor antenna that can multi-angle was adjusted | |
| CN102904017A (en) | Antenna structure system of parallel mechanism in super-hemisphere working airspace | |
| CN111245342A (en) | Photovoltaic tracking support system | |
| CN103386680B (en) | A kind of parallel two degrees of freedom indicator device | |
| CN110661078B (en) | Vehicle-ground high-speed laser communication device | |
| CN117117465B (en) | Phased array of radar antenna and application method thereof | |
| CN208015661U (en) | A kind of twin shaft mobile tracking mount for solar components | |
| CN204187226U (en) | CAN security protection servo turntable | |
| CN201966321U (en) | Adjusting mechanism for electric tuning antenna | |
| CN110459874B (en) | Large-scale array electrically-tunable antenna phase shifter transmission mechanism | |
| CN105226370A (en) | 6/6-UPU type parallel antenna structure system | |
| CN211167161U (en) | Pendulum-type spherical robot and control system thereof | |
| CN109573034A (en) | Jack and unmanned plane | |
| CN207851622U (en) | A kind of small distributed automatic solar energy tracking device of single motor driving | |
| CN114204263A (en) | Antenna rotary table of meteorological radar servo control system | |
| CN202189218U (en) | Two-degree-of-freedom anti-radiation shooting holder integrated machine | |
| CN201829620U (en) | Graduation-displayed scale zooming device of electrically-adjusting antenna |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |