CN218182475U - Airborne SAR is stabilized platform for antenna - Google Patents

Airborne SAR is stabilized platform for antenna Download PDF

Info

Publication number
CN218182475U
CN218182475U CN202221844797.XU CN202221844797U CN218182475U CN 218182475 U CN218182475 U CN 218182475U CN 202221844797 U CN202221844797 U CN 202221844797U CN 218182475 U CN218182475 U CN 218182475U
Authority
CN
China
Prior art keywords
fixedly connected
motor
shaped plate
lead screw
sar antenna
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.)
Active
Application number
CN202221844797.XU
Other languages
Chinese (zh)
Inventor
周伟
马洪琪
肖海斌
迟福东
周志伟
陈鸿杰
程翔
庞博慧
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Wuhan University WHU
Huaneng Group Technology Innovation Center Co Ltd
Huaneng Lancang River Hydropower Co Ltd
Original Assignee
Wuhan University WHU
Huaneng Group Technology Innovation Center Co Ltd
Huaneng Lancang River Hydropower Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Wuhan University WHU, Huaneng Group Technology Innovation Center Co Ltd, Huaneng Lancang River Hydropower Co Ltd filed Critical Wuhan University WHU
Priority to CN202221844797.XU priority Critical patent/CN218182475U/en
Application granted granted Critical
Publication of CN218182475U publication Critical patent/CN218182475U/en
Priority to DE202023000206.0U priority patent/DE202023000206U1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • 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
    • H01Q1/18—Means for stabilising antennas on an unstable platform
    • H01Q1/185—Means for stabilising antennas on an unstable platform by electronic means
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
    • G01S13/88—Radar or analogous systems specially adapted for specific applications
    • G01S13/89—Radar or analogous systems specially adapted for specific applications for mapping or imaging
    • G01S13/90—Radar or analogous systems specially adapted for specific applications for mapping or imaging using synthetic aperture techniques, e.g. synthetic aperture radar [SAR] techniques
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/02—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00
    • G01S7/027—Constructional details of housings, e.g. form, type, material or ruggedness
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/27—Adaptation for use in or on movable bodies
    • H01Q1/28—Adaptation for use in or on aircraft, missiles, satellites, or balloons
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q3/00—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
    • H01Q3/02—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system using mechanical movement of antenna or antenna system as a whole
    • H01Q3/08—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system using mechanical movement of antenna or antenna system as a whole for varying two co-ordinates of the orientation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64C—AEROPLANES; HELICOPTERS
    • B64C1/00—Fuselages; Constructional features common to fuselages, wings, stabilising surfaces or the like
    • B64C1/36—Fuselages; Constructional features common to fuselages, wings, stabilising surfaces or the like adapted to receive antennas or radomes

Landscapes

  • Engineering & Computer Science (AREA)
  • Remote Sensing (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Electromagnetism (AREA)
  • Astronomy & Astrophysics (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)
  • Support Of Aerials (AREA)

Abstract

The utility model discloses a machine carries stable platform for SAR antenna, the on-line screen storage device comprises a base, the holding tank has been seted up at base top middle part, elasticity is provided with the tray in the holding tank, the fixed angle modulation portion that is provided with in tray top, the fixed U-shaped plate that is provided with in the angle modulation portion, U-shaped plate middle part rotates and is provided with the lead screw, lead screw one end drive fit has swing portion, swing portion and tray top fixed connection, the slider has been cup jointed in the rotation on the lead screw, the slider top articulates through articulated portion has the regulation pole, it is connected with the U-shaped plate rotation to adjust the pole middle part, it is provided with the rotating part to adjust the rotation of pole top, the stable precision of machine carries SAR antenna on unmanned aerial vehicle has been improved.

Description

Airborne SAR is stable platform for antenna
Technical Field
The utility model belongs to the technical field of unmanned aerial vehicle, especially, relate to an airborne SAR is stabilized platform for antenna.
Background
The signal beam pointing direction of the airborne SAR radar antenna needs to keep a stable direction in the aircraft flight, the stability precision directly influences the radar imaging precision, and therefore a stable platform needs to be used for eliminating the influence of flight shaking. In the prior art, the flight attitude data output by airborne inertial navigation equipment is used, and the flight shaking is compensated through the reverse motion of a servo mechanism, so that the mode has transmission errors, the stability and the precision are low, the dynamic performance is low, and the weight of the servo mechanism is also large. Therefore, it is desirable to design a stable platform for an airborne SAR antenna to solve the above problems in the prior art.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a machine carries stable platform for SAR antenna to solve above-mentioned problem, reach the purpose that improves the stable precision of machine carries antenna.
In order to achieve the above purpose, the utility model provides a following scheme: the utility model provides a machine carries stable platform for SAR antenna, includes the base, the holding tank has been seted up at base top middle part, elasticity is provided with the tray in the holding tank, the fixed angle modulation portion that is provided with in tray top, the fixed U-shaped board that is provided with in the angle modulation portion, U-shaped board middle part rotates and is provided with the lead screw, lead screw one end transmission cooperation has swing portion, swing portion with tray top fixed connection, the slider has been cup jointed in the rotation on the lead screw, the slider top articulates through articulated portion has the regulation pole, adjust the pole middle part with the U-shaped board rotates to be connected, it rotates and is provided with the rotating part to adjust the pole top.
Preferably, the angle adjusting part comprises a first motor, the first motor is fixedly connected with the top end of the supporting block, an output shaft of the first motor is fixedly connected with a rotating shaft, two ends of the rotating shaft are respectively and rotatably connected with fixing seats, the two fixing seats are fixedly connected with the top end of the supporting block, and the rotating shaft is fixedly connected with the bottom end of the U-shaped plate.
Preferably, the swinging portion comprises a second motor, the second motor is fixedly connected with the top end of the supporting block, an output shaft of the second motor is in transmission fit with one end of the lead screw through a belt, and the first motor and the second motor are respectively located on two sides of the U-shaped plate.
Preferably, the hinge part comprises a hinge block, the bottom end of the hinge block is fixedly connected with the top end of the sliding block, the top end of the hinge block is rotatably connected with a hinge shaft, and the hinge shaft is rotatably connected with the bottom end of the adjusting rod.
Preferably, the rotating part includes the revolving stage, the revolving stage rotates to set up adjust the pole top, revolving stage bottom middle part is seted up flutedly, the recess internal fixation is provided with the third motor, the output shaft fixedly connected with bearing of third motor, the outer lane of bearing with adjust pole top fixed connection.
Preferably, the side wall of the support block is fixedly connected with a plurality of first springs, the other ends of the plurality of first springs are fixedly connected with the side wall of the accommodating groove, the bottom of the support block is fixedly connected with a plurality of second springs, and the other ends of the plurality of second springs are fixedly connected with the bottom of the accommodating groove.
Preferably, the accommodating groove is internally fixedly provided with a rubber block.
Preferably, a limiting rod is fixedly arranged in the middle of the adjusting rod, and the other end of the limiting rod is rotatably connected with the side wall of the U-shaped plate.
The utility model discloses has following technological effect:
the angle adjustment portion that sets up can adjust the angle of antenna in perpendicular to U-shaped board base plane, and the angle of antenna in being on a parallel with the U-shaped board plane can be adjusted to the swing portion, and the arbitrary orientation of antenna in the horizontal plane can be adjusted to the rotating part, and tray elasticity sets up in the holding tank at base top middle part, and elasticity setting can reduce the influence of the vibration that unmanned aerial vehicle flight in-process produced to the antenna, improves the stable precision of antenna.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the internal structure of the turntable of the present invention;
fig. 3 isbase:Sub>A sectional view taken along linebase:Sub>A-base:Sub>A of fig. 1.
Wherein, 1, a base; 2. a supporting block; 3. a U-shaped plate; 4. adjusting a rod; 5. a lead screw; 6. a rotating shaft; 7. a first motor; 8. a second motor; 9. a belt; 10. a slider; 11. a hinged block; 12. hinging a shaft; 13. a limiting rod; 14. a rotating table; 15. a fixed seat; 16. a rubber block; 17. a first spring; 18. a second spring; 19. a third motor; 20. and a bearing.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention is described in detail with reference to the accompanying drawings and the detailed description.
Referring to fig. 1-3, the utility model discloses a machine carries stable platform for SAR antenna, including base 1, the holding tank has been seted up at 1 top middle part of base, elasticity is provided with tray 2 in the holding tank, the fixed angle modulation portion that is provided with in 2 tops of tray, the fixed U-shaped plate 3 that is provided with in the angle modulation portion, 3 middle parts of U-shaped plate rotate and are provided with lead screw 5, 5 one end transmission coordination of lead screw has the swing portion, swing portion and 2 top fixed connection of tray, it has cup jointed slider 10 to rotate on the lead screw 5, slider 10 top articulates through articulated portion has regulation pole 4, adjust pole 4 middle parts and U-shaped plate 3 and rotate and be connected, it is provided with the rotating part to adjust 4 tops of pole.
The angle adjustment portion that sets up can adjust the angle of antenna in the 3 base planes of perpendicular to U-shaped plate, and the angle of antenna in being on a parallel with U-shaped plate 3 planes can be adjusted to the swing portion, and the arbitrary orientation of antenna in the horizontal plane can be adjusted to the rotating part, and 2 elasticity settings of tray are in the holding tank at 1 top middle part of base, and elasticity setting can reduce the influence of the vibration that unmanned aerial vehicle flight in-process produced to the antenna, improves the stable precision of antenna.
Further optimize the scheme, angle modulation portion includes first motor 7, first motor 7 and 2 top fixed connection of tray, the output shaft fixedly connected with pivot 6 of first motor 7, and the both ends of pivot 6 are rotated respectively and are connected with fixing base 15, two fixing bases 15 all with 2 top fixed connection of tray, pivot 6 and 3 bottom fixed connection of U-shaped plate.
The first motor 7 works to drive the rotating shaft 6 to rotate, the rotating shaft 6 rotates to drive the U-shaped plate 3 fixedly connected with the rotating shaft to rotate, and the angle of the antenna in a plane perpendicular to the bottom edge of the U-shaped plate 3 is adjusted.
Further optimize the scheme, the swing portion includes second motor 8, second motor 8 and 2 top fixed connection of tray, and the output shaft of second motor 8 passes through belt 9 and the one end transmission cooperation of lead screw 5, and first motor 7 and second motor 8 are located the both sides of U-shaped plate 3 respectively.
The work of second motor 8 drives lead screw 5 through belt 9 and rotates, and slider 10 passes through screw-thread fit sliding connection with lead screw 5, and lead screw 5 rotates in-process slider 10 and can move on lead screw 5, because adjust 4 middle parts of pole and rotate spacing connection with U-shaped plate 3, can realize the removal of rotating part when consequently slider 10 removes, and then realize the regulation of the angle of antenna in the plane that is on a parallel with U-shaped plate 3.
Further optimization scheme, articulated portion includes articulated piece 11, and articulated piece 11 bottom and slider 10 top fixed connection articulate 11 tops and are connected with articulated shaft 12, articulated shaft 12 with adjust 4 bottoms of pole and rotate and be connected.
Further optimize the scheme, the rotating part includes revolving stage 14, and revolving stage 14 rotates and sets up on adjusting 4 tops, and revolving stage 14 bottom middle part is seted up flutedly, and the recess internal fixation is provided with third motor 19, and the output shaft fixedly connected with bearing 20 of third motor 19, bearing 20's outer lane and 4 top fixed connection of regulation pole.
The third motor 19 works to drive the inner ring of the bearing 20 to rotate, and the outer ring of the bearing 20 is fixed at the top end of the adjusting rod 4, so that the working power of the third motor 19 can realize the rotation of the third motor 19, and further drive the rotating platform 14 fixedly connected with the third motor to rotate, and the adjustment of the antenna in any direction in the horizontal plane is realized.
Further optimize the scheme, 2 lateral walls fixedly connected with a plurality of first springs 17 of tray, the other end and the holding tank lateral wall fixed connection of a plurality of first springs 17, 2 bottom fixedly connected with a plurality of second springs 18 of tray, the other end and the holding tank bottom fixed connection of a plurality of second springs 18.
First spring 17 and second spring 18 are in compression state all the time, and first spring 17 and the second spring 18 combined action can reduce the influence of the vibration that unmanned aerial vehicle flight in-process produced to the stable precision of antenna.
Further optimize the scheme, the holding tank internal fixation is provided with the block rubber 16.
The elasticity of the rubber block 16 further improves the degree of elastic connection between the carrier block 2 and the base 1.
According to the further optimized scheme, the middle part of the adjusting rod 4 is fixedly provided with a limiting rod 13, and the other end of the limiting rod 13 is rotatably connected with the side wall of the U-shaped plate 3.
In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "up", "down", "front", "back", "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 merely for convenience of description of the present invention, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
The above-mentioned embodiments are only intended to describe the preferred embodiments of the present invention, but not to limit the scope of the present invention, and those skilled in the art should also be able to make various modifications and improvements to the technical solution of the present invention without departing from the spirit of the present invention, and all such modifications and improvements are intended to fall within the scope of the present invention as defined in the appended claims.

Claims (8)

1. The utility model provides a machine carries stable platform for SAR antenna, a serial communication port, including base (1), the holding tank has been seted up at base (1) top middle part, elasticity is provided with tray (2) in the holding tank, the fixed angle modulation portion that is provided with in tray (2) top, the fixed U-shaped plate (3) that is provided with in the angle modulation portion, U-shaped plate (3) middle part is rotated and is provided with lead screw (5), lead screw (5) one end transmission cooperation has the swing portion, the swing portion with tray (2) top fixed connection, it has cup jointed slider (10) to rotate on lead screw (5), slider (10) top articulates through articulated portion has regulation pole (4), adjust pole (4) middle part with U-shaped plate (3) rotate to be connected, it is provided with the rotating part to adjust pole (4) top rotation.
2. The stabilized platform for the airborne SAR antenna according to claim 1, wherein the angle adjusting portion comprises a first motor (7), the first motor (7) is fixedly connected to the top end of the supporting block (2), an output shaft of the first motor (7) is fixedly connected to a rotating shaft (6), two ends of the rotating shaft (6) are respectively and rotatably connected to a fixing seat (15), the two fixing seats (15) are both fixedly connected to the top end of the supporting block (2), and the rotating shaft (6) is fixedly connected to the bottom end of the U-shaped plate (3).
3. The stabilized platform for the airborne SAR antenna according to claim 2, wherein the swinging portion comprises a second motor (8), the second motor (8) is fixedly connected with the top end of the supporting block (2), an output shaft of the second motor (8) is in transmission fit with one end of the lead screw (5) through a belt (9), and the first motor (7) and the second motor (8) are respectively located at two sides of the U-shaped plate (3).
4. The stabilized platform for the airborne SAR antenna according to claim 1, wherein the hinged portion comprises a hinged block (11), the bottom end of the hinged block (11) is fixedly connected with the top end of the sliding block (10), the top end of the hinged block (11) is rotatably connected with a hinged shaft (12), and the hinged shaft (12) is rotatably connected with the bottom end of the adjusting rod (4).
5. The stabilized platform for the airborne SAR antenna according to claim 1, wherein the rotating portion comprises a rotating platform (14), the rotating platform (14) is rotatably disposed at the top end of the adjusting rod (4), a groove is formed in the middle of the bottom end of the rotating platform (14), a third motor (19) is fixedly disposed in the groove, a bearing (20) is fixedly connected to an output shaft of the third motor (19), and an outer ring of the bearing (20) is fixedly connected to the top end of the adjusting rod (4).
6. The stabilized platform for the airborne SAR antenna according to claim 1, wherein a plurality of first springs (17) are fixedly connected to a side wall of the support block (2), the other ends of the plurality of first springs (17) are fixedly connected to a side wall of the accommodating groove, a plurality of second springs (18) are fixedly connected to the bottom of the support block (2), and the other ends of the plurality of second springs (18) are fixedly connected to the bottom of the accommodating groove.
7. The stabilized platform for the airborne SAR antenna according to claim 6, characterized in that a rubber block (16) is fixedly arranged inside said housing groove.
8. The stabilized platform for the airborne SAR antenna according to claim 1, wherein a limiting rod (13) is fixedly arranged in the middle of the adjusting rod (4), and the other end of the limiting rod (13) is rotatably connected with the side wall of the U-shaped plate (3).
CN202221844797.XU 2022-07-18 2022-07-18 Airborne SAR is stabilized platform for antenna Active CN218182475U (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN202221844797.XU CN218182475U (en) 2022-07-18 2022-07-18 Airborne SAR is stabilized platform for antenna
DE202023000206.0U DE202023000206U1 (en) 2022-07-18 2023-01-31 A stable platform for airborne SAR antennas

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202221844797.XU CN218182475U (en) 2022-07-18 2022-07-18 Airborne SAR is stabilized platform for antenna

Publications (1)

Publication Number Publication Date
CN218182475U true CN218182475U (en) 2022-12-30

Family

ID=84614460

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202221844797.XU Active CN218182475U (en) 2022-07-18 2022-07-18 Airborne SAR is stabilized platform for antenna

Country Status (2)

Country Link
CN (1) CN218182475U (en)
DE (1) DE202023000206U1 (en)

Also Published As

Publication number Publication date
DE202023000206U1 (en) 2023-03-22

Similar Documents

Publication Publication Date Title
CN218182475U (en) Airborne SAR is stabilized platform for antenna
CN217739587U (en) Full-flexible optical five-dimensional adjusting device
CN115476444A (en) Multi-degree-of-freedom linear guide rail displacement platform for quickly adjusting wafers
CN109546342A (en) A kind of Vehicular satellite communication antenna
CN210662231U (en) Linking arm beta structure and stabilizer
CN218006087U (en) Stator angle adjusting structure of paint dripping equipment
CN217396832U (en) Single-shaft holder and unmanned aerial vehicle
CN110729953B (en) Tracking type photovoltaic support
CN215393597U (en) Accessory assembling platform for electronic equipment
CN220660866U (en) Steering device for mechanical arm
CN211718517U (en) Pitching assembly suitable for radar is swept to two dimension machine
CN214843209U (en) Photogrammetry movement device
CN212401544U (en) Angle adjusting device and many rotor unmanned aerial vehicle
CN205564987U (en) Dull and stereotyped portable satellite communications antenna
CN216332825U (en) Ball type three-axis stability-increasing photoelectric pod
CN117335127A (en) Vehicle-mounted satellite communication antenna with direction finding function
CN219872426U (en) TOF camera module calibration device
CN215831547U (en) Multi-degree-of-freedom transmission device and terminal
CN218455151U (en) Omnibearing photogrammetric device
CN215300753U (en) Video camera
CN207540556U (en) A kind of two axis gyroscope Stable Platform System
CN217607007U (en) Spatial spectrum direction finding antenna capable of adjusting detection direction
CN218531583U (en) Inclined rotating dispensing mechanism and dispensing machine
CN215377696U (en) Satellite antenna with all-round regulatory function
CN220842370U (en) Direction adjusting structure, screen assembly and automobile

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant