A top-mounted antenna pan

Abstract

The present invention discloses a top-mounted antenna pan platform, comprising a mounting plate, wherein the other side of the bottom end of the mounting plate is fixedly connected with a driven support arm, the driven support arm is rotatably connected with a driven shaft at the inner bottom position of the driven support arm, the outer side of the driven shaft is sleeved with a left support arm, one end of the driven shaft is fixedly connected with a shift fork, the lower electric limit is fixedly connected with the edge bottom position of the fixed support arm, and the inner side of the left support arm is fixedly connected with an upper electric limit at the top position of the fixed support arm. The present invention has a scientific and reasonable structure and is safe and convenient to use. The shift fork rotates around the driven shaft under the drive of the driven support arm, and the shift fork touches the upper electric limit or the lower electric limit to trigger the control to stop the rotation of the driven support arm, so that the pan platform can quickly change the pitch viewing angle, which is convenient and quick. The shift fork can be quickly replaced by loosening the fixing screw, and the pitch angle range of the pan platform can be changed by replacing shift forks of different shapes.

Description

Technical Field

[0001] The invention relates to the technical field of antenna pan platforms, and in particular to a top-mounted antenna pan platform. Background Art

[0002] The PTZ is a supporting device for installing fixed surveillance security, laser trackers, radar antennas and other devices. The PTZ is suitable for situations with a large surveillance range. After installing the antenna and other equipment on the PTZ, the horizontal and pitch angles of the PTZ can be adjusted, so that the installed equipment can radiate a larger range.

[0003] However, the pitch angle range of existing gimbal equipment is fixed and cannot be adjusted. The existing gimbal structure is equipped with antennas and other equipment, and the antenna cable connection is limited. External cables, RF cables, etc. are required, which brings inconvenience to the operation of the equipment. In order to avoid the above technical problems, it is indeed necessary to provide a top-mounted antenna gimbal to overcome the above defects in the prior art. Summary of the invention

[0004] The present invention provides a top-mounted antenna pan / tilt, which can effectively solve the problems raised in the above background technology that the pitch angle range of the existing pan / tilt equipment is fixed and cannot be adjusted, the existing pan / tilt structure is equipped with antennas and other equipment, the antenna cable connection is limited, and external cables, radio frequency cables, etc. are required, which brings inconvenience to the operation of the equipment.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a top-mounted antenna pan platform, comprising a mounting plate, one side of the bottom end of the mounting plate is fixedly connected to an active arm, the other side of the bottom end of the mounting plate is fixedly connected to a driven arm, an active shaft is rotatably connected at the inner bottom position of the active arm, a driven shaft is rotatably connected at the inner bottom position of the driven arm, a right arm is sleeved on the outer side of the active shaft, a left arm is sleeved on the outer side of the driven shaft, one end of the driven shaft is fixedly connected to a fork, and a fixed arm is fixedly connected to the inner side of the left arm at the bottom position of the fork;

[0006] The fixed support arm is fixedly connected with a lower electric limit at the bottom position of the edge end, the inner side of the left support arm is fixedly connected with a lower limit column at the top position of the lower electric limit, the inner side of the left support arm is fixedly connected with an upper electric limit at the top position of the fixed support arm, and the inner side of the left support arm is fixedly connected with an upper limit column at the top position of the upper electric limit.

[0007] Preferably, one end of the driving shaft and the driven shaft are fixedly connected with a shift fork, the outer side of the driving shaft is sleeved with an active support arm, the active support arm is located at the outer side of the right support arm, and the outer side of the driven shaft is sleeved with a left support arm, the driven support arm is located at the outer side of the left support arm.

[0008] Preferably, an arc-shaped groove is provided at a position corresponding to the edge of the fixed support arm and the shift fork, and the radius of the shift fork is equal to the radius of the arc-shaped groove.

[0009] Preferably, a threaded hole is provided on the inner side of the shift fork, threaded holes are provided on the side ends of the driving shaft and the driven shaft, and the shift fork is fixedly connected to the driving shaft and the driven shaft via screws and threaded holes.

[0010] Preferably, a radio frequency connector is fixedly connected at the middle position of the side end of the driven arm, an aviation plug connector is fixedly connected at the middle position of the side end of the active arm, the bottom end of the right arm is fixedly connected to a base, the top of the base is fixedly connected to a gear, the inner side of the bottom end of the right arm is fixedly connected to a rotating shaft, the inner side of the rotating shaft is slidably connected to a slip ring device, the outer side of the gear is connected to a turntable through transmission tooth meshing, and a bottom connector is fixedly connected to the bottom position of one end of the base.

[0011] Preferably, a sliding hole is opened on the inner side of the rotating shaft, the slip ring device is slidably connected to the sliding hole, the slip ring device is slidably connected to the rotating shaft through the sliding hole, the stator inside the slip ring device is connected to the base, the rotor of the slip ring device is fixedly connected to the top of the turntable, and a motor is fixedly installed on one side of the turntable 20.

[0012] Compared with the prior art, the present invention has the following beneficial effects: the present invention has a scientific and reasonable structure and is safe and convenient to use:

[0013] 1. A shift fork, a fixed arm, a lower electric limit, a lower limit column, an upper electric limit and an upper limit column are provided. The shift fork rotates around the driven shaft under the drive of the driven arm. The shift fork touches the upper electric limit or the lower electric limit trigger control to stop the rotation of the driven arm, so that the pan-tilt can quickly change the pitch angle. It is convenient and quick. By loosening the fixing screw, the shift fork can be quickly replaced. By replacing the shift forks of different shapes, the pitch angle range of the pan-tilt can be changed. The steps are simple, time-saving, and it is conducive to quickly changing the monitoring range of the pan-tilt.

[0014] 2. It is equipped with a radio frequency connector, an aviation plug connector, a base, a gear, a rotating shaft, a slip ring device, a turntable and a bottom connector. The motor installed on the turntable can drive the turntable to rotate around the gear, thereby realizing the horizontal rotation of the turntable upper structure. The meshing connection between the gear and the turntable can make the turntable rotate at a uniform speed, so that the pan-tilt head can rotate at a uniform speed, which is convenient for the equipment on the pan-tilt head to scan the horizontal range evenly, and by selecting different types of slip ring devices and cables, different types of signal transmission of different devices can be facilitated, thereby increasing the diversity of pan-tilt head application equipment, achieving multiple goals at one stroke, improving equipment utilization rate and saving costs.

[0015] 3. A mounting plate, an active arm, an active shaft, a driven shaft, a right arm, a driven arm and a left arm are provided. The active arm, the right arm, the driven arm and the left arm are connected by the active shaft and the driven shaft. The angle of the mounting plate can be adjusted quickly, the transmission mechanism is reduced, the force loss is reduced, thereby improving the response speed of the gimbal, reducing the power consumption of the gimbal and saving energy. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The accompanying drawings are used to provide further understanding of the present invention and constitute a part of the specification. They are used to explain the present invention together with the embodiments of the present invention and do not constitute a limitation of the present invention.

[0017] In the attached picture:

[0018] Figure 1 It is a schematic diagram of the structure of the present invention;

[0019] Figure 2 It is a schematic diagram of the installation structure of the rotary shaft of the present invention;

[0020] Figure 3 It is a schematic diagram of the installation structure of the shift fork of the present invention;

[0021] Figure 4 It is a schematic diagram of the installation structure of the lower electric limiter of the present invention;

[0022] Numbers in the figure: 1. Mounting plate; 2. Active support arm; 3. Active shaft; 4. Driven shaft; 5. Right support arm; 6. Driven support arm; 7. Left support arm; 8. Fork; 9. Fixed support arm; 10. Lower power limit; 11. Lower limit column; 12. Upper power limit; 13. Upper limit column; 14. RF connector; 15. Aviation plug connector; 16. Base; 17. Gear; 18. Rotating shaft; 19. Slip ring device; 20. Turntable; 21. Bottom connector. DETAILED DESCRIPTION

[0023] The preferred embodiments of the present invention are described below in conjunction with the accompanying drawings. It should be understood that the preferred embodiments described herein are only used to illustrate and explain the present invention, and are not used to limit the present invention.

[0024] Example: Figure 1-4As shown, the present invention provides a technical solution, a top-mounted antenna pan platform, including a mounting plate 1, an active arm 2 is fixedly connected to one side of the bottom end of the mounting plate 1, a driven arm 3 is fixedly connected to the other side of the bottom end of the mounting plate 1, a driving shaft 4 is rotatably connected to the inner bottom position of the active arm 2, one end of the active shaft 4 and the driven shaft 5 are fixedly connected to a shift fork 8, the outer side of the active shaft 4 is sleeved with the active arm 2, the active arm 2 is located at the outer side of the right arm 6, the outer side of the driven shaft 5 is sleeved with the left arm 7, and the driven arm 3 is located at the outer side of the left arm 7, so that the active arm 2 and the driven arm 3 can be rotated conveniently, thereby facilitating the change of the mounting plate 1 Angle, which is conducive to changing the pitch angle of the equipment installed on the mounting plate 1, a driven shaft 5 is rotatably connected to the bottom position of the inner side of the driven arm 3, a right arm 6 is sleeved on the outer side of the driving shaft 4, a left arm 7 is sleeved on the outer side of the driven shaft 5, one end of the driven shaft 5 is fixedly connected to a fork 8, a threaded hole is opened on the inner side of the fork 8, and threaded holes are opened on the side ends of the driving shaft 4 and the driven shaft 5. The fork 8 is fixedly connected to the driving shaft 4 and the driven shaft 5 through a screw and a threaded hole, which is convenient for the rapid disassembly and replacement of the fork 8, thereby facilitating the change of the pitch angle of the pan / tilt, and the inner side of the left arm 7 is fixedly connected to a fixed arm 9 at the bottom position of the fork 8;

[0025] A lower electric limit 10 is fixedly connected at the bottom position of the edge end of the fixed support arm 9, a lower limit column 11 is fixedly connected to the inner side of the left support arm 7 at the top position of the lower electric limit 10, an upper electric limit 12 is fixedly connected to the inner side of the left support arm 7 at the top position of the fixed support arm 9, an arc groove is opened at the corresponding position of the edge end of the fixed support arm 9 and the fork 8, the radius of the fork 8 is equal to the radius of the arc groove, which is conducive to the rotation of the fork 8 and prevents the fixed support arm 9 from blocking the rotation of the fork 8, and an upper limit column 13 is fixedly connected to the inner side of the left support arm 7 at the top position of the upper electric limit 12.

[0026] A radio frequency connector 14 is fixedly connected to the middle position of the side end of the driven arm 3, an aviation plug connector 15 is fixedly connected to the middle position of the side end of the active arm 2, a base 16 is fixedly connected to the bottom end of the right arm 6, a gear 17 is fixedly connected to the top of the base 16, a rotating shaft 18 is fixedly connected to the inner position of the bottom end of the right arm 6, a sliding hole is provided on the inner side of the rotating shaft 18, a slip ring device 19 is slidably connected to the sliding hole, the slip ring device 19 is slidably connected to the rotating shaft 18 through the sliding hole, the stator inside the slip ring device 19 is connected to the base, and the rotor of the slip ring device 19 is fixedly connected to the top of the turntable 20, which is conducive to the rapid rotation of the pan-tilt head and the arrangement of cables, the slip ring device 19 is slidably connected to the inner side of the rotating shaft 18, the outer side of the gear 17 is connected to the turntable 20 through the meshing of transmission teeth, a bottom connector 21 is fixedly connected to the bottom position of one end of the base 16, and a motor is fixedly installed on one side of the turntable 20, which is conducive to the rotation of the turntable 20.

[0027] The working principle and use process of the present invention are as follows: first, the antenna is installed on the mounting plate 1, and the aviation plug connector 15 or the radio frequency connector 14 can be installed on the active arm 2, the driven arm 3 and the base 16. When the gimbal is in use, the fork 8 rotates around the driven shaft 5 under the drive of the driven arm 3, and the fork 8 touches the upper power limit 12 or the lower power limit 10 to trigger the control, so that the driven arm 3 stops rotating, so that the antenna on the mounting plate 1 is pitched and rotated within a certain range. At this time, the pitch range is controlled by the shape of the upper power limit 12, the lower power limit 10 and the fork 8. When the positions of the upper power limit 12 and the lower power limit 10 are fixed, at this time, only the shape of the fork 8 needs to be changed to adjust the pitch angle range of the equipment, and the operation is convenient and effective. The active arm 2, the right arm 6, the driven arm 3 and the left arm 7 are connected by the active shaft 4 and the driven shaft 5, so that the angle of the mounting plate 1 can be quickly adjusted, the transmission mechanism is reduced, and the force loss is reduced, thereby improving the response speed of the gimbal;

[0028] Next, when horizontal rotation is required, the motor is controlled to rotate, and the motor drives the turntable 20 to rotate around the gear 17, so that the upper structure of the turntable 20 rotates horizontally, so that the equipment on the mounting plate 1 can be rotated horizontally, and a slip ring device 19 is installed at the center of the rotating shaft 18, and the stator part of the slip ring device 19 is relatively fixed to the base 16, the gear 17, etc., and the rotor part rotates with the upper structure such as the turntable 20. The cables of the antenna and other equipment are connected to the connector on the support arm, and then connected to the rotor part of the slip ring device 19, and the stator part of the slip ring device 19 is connected to the connector on the base 16, so as to realize the cable dragging and transmission of the equipment installed on the mounting plate 1;

[0029] Finally, when different devices are installed on the mounting plate 1, it is only necessary to replace different types of slip ring devices 19 and cables to achieve the transmission of different signals, which is simple and convenient.

[0030] Finally, it should be noted that the above description is only a preferred example of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A top-mounted antenna pan / tilt, comprising a mounting plate (1), characterized in that: An active support arm (2) is fixedly connected to one side of the bottom end of the mounting plate (1), and a driven support arm (3) is fixedly connected to the other side of the bottom end of the mounting plate (1); a driving shaft (4) is rotatably connected to the inner bottom position of the active support arm (2), and a driven shaft (5) is rotatably connected to the inner bottom position of the driven support arm (3); a right support arm (6) is sleeved on the outer side of the active shaft (4), and a left support arm (7) is sleeved on the outer side of the driven shaft (5); a shift fork (8) is fixedly connected to one end of the driven shaft (5), and a fixed support arm (9) is fixedly connected to the inner side of the left support arm (7) at the bottom position of the shift fork (8); A lower electric limit (10) is fixedly connected at the bottom position of the edge of the fixed support arm (9), a lower limit column (11) is fixedly connected at the top position of the lower electric limit (10) on the inner side of the left support arm (7), an upper electric limit (12) is fixedly connected at the top position of the fixed support arm (9) on the inner side of the left support arm (7), and an upper limit column (13) is fixedly connected at the top position of the upper electric limit (12) on the inner side of the left support arm (7); A threaded hole is formed on the inner side of the shift fork (8), threaded holes are formed on the sides of the driving shaft (4) and the driven shaft (5), and the shift fork (8) is fixedly connected to the driving shaft (4) and the driven shaft (5) via screws and threaded holes; A radio frequency connector (14) is fixedly connected to the middle of the side end of the driven arm (3), an aviation plug connector (15) is fixedly connected to the middle of the side end of the active arm (2), a base (16) is fixedly connected to the bottom end of the right arm (6), a gear (17) is fixedly connected to the top of the base (16), a rotating shaft (18) is fixedly connected to the inner side of the bottom end of the right arm (6), a slip ring device (19) is slidably connected to the inner side of the rotating shaft (18), a rotating disk (20) is meshed with transmission teeth on the outer side of the gear (17), and a bottom connector (21) is fixedly connected to the bottom of one end of the base (16); A sliding hole is provided on the inner side of the rotary shaft (18), the slip ring device (19) is slidably connected to the sliding hole, the slip ring device (19) is slidably connected to the rotary shaft (18) through the sliding hole, the stator on the inner side of the slip ring device (19) is connected to the base, the rotor of the slip ring device (19) is fixedly connected to the top of the turntable (20), and a motor is fixedly mounted on one side of the turntable (20).

2. A top-mounted antenna platform according to claim 1, characterized in that: One end of each of the driving shaft (4) and the driven shaft (5) is fixedly connected to a shift fork (8); an active support arm (2) is sleeved on the outer side of the driving shaft (4); the active support arm (2) is located at an outer position of the right support arm (6); and a left support arm (7) is sleeved on the outer side of the driven shaft (5); the driven support arm (3) is located at an outer position of the left support arm (7).

3. The top-mounted antenna platform according to claim 1, characterized in that: An arc-shaped groove is provided at a position corresponding to the edge of the fixed support arm (9) and the shift fork (8), and the radius of the shift fork (8) is equal to the radius of the arc-shaped groove.

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