Novel antenna turntable

Abstract

The utility model discloses a novel antenna turntable, and relates to the technical field of radio. A pitching mechanism and an orientation rotating mechanism are installed in the rotary table, an output shaft of a pitching stepping motor of the pitching mechanism is fixed to one end of a coupler, the other end of the coupler is connected with a worm, the worm is meshed with a worm gear, the worm gear is connected to a pitching shaft in a sleeving mode, and a first pitching arm and a second pitching arm are installed on the two end faces of the pitching shaft. An antenna mounting plate is fixedly mounted between the first pitching arm and the second pitching arm; pitching photoelectric switches are fixed on two sides of the pitching shaft on the right side plate; an orientation stepping motor of the orientation rotating mechanism is fixed on a rotating disc, a small gear is installed on an output shaft of the orientation stepping motor, the small gear is meshed with a gear of an internal tooth slewing bearing, an inner ring of the internal tooth slewing bearing is fixed with a base, and an outer ring of the internal tooth slewing bearing is connected with the rotating disc. The transmission mechanism is simple and efficient in transmission, stable in mechanism operation, good in universality, high in reliability, wide in application range and high in intelligent degree.

Description

Technical Field

[0001] The utility model relates to the field of radio technology, in particular to a novel antenna rotating platform. Background Art

[0002] With the continuous development of information technology and the need for continuous upgrading of equipment, in the field of radio and satellite reception, there is an increasing demand for antenna turntable equipment, and the requirements for its performance indicators are also getting higher and higher. Antenna turntables are constantly developing towards intelligent, multi-purpose, miniaturized, and highly reliable applications. At present, the existing antenna turntables on the market have the problems of large size and complex structure. They are inconvenient to carry and transport, heavy, inconvenient to operate, poor maneuverability, low reliability, single application scenario, and low degree of intelligence. Based on this, it is particularly necessary to develop a new type of antenna turntable. Utility Model Content

[0003] In view of the deficiencies in the prior art, the purpose of the utility model is to provide a new antenna turntable with reasonable structural design, simple and efficient transmission, stable mechanism operation, good versatility, strong reliability, wide application range, high degree of intelligence, and easy promotion and use.

[0004] In order to achieve the above-mentioned purpose, the utility model is realized through the following technical scheme: a novel antenna turntable, including a left side plate, a right side plate, a front side plate, a rear side plate, a pitch mechanism, an azimuth rotation mechanism, a control part, an upper cover, a base, a liquid crystal display screen, a conductive slip ring, a high-frequency rotating joint, a high-frequency rotating joint bracket, a stator bracket, and an azimuth rotating shaft bracket. The left side plate, the right side plate, the front side plate and the rear side plate constitute a turntable shell, a display screen mounting plate is fixed on the left side plate, and a liquid crystal display screen is installed through the display screen mounting plate; an upper cover is installed on the upper part of the shell, a base is installed on the bottom of the shell, and a pitch mechanism, an azimuth rotation mechanism, and a control part are installed inside the shell; the pitch mechanism includes a pitch stepping motor, a motor mounting plate, a coupling, a worm, a worm seat, and a worm wheel. , pitch axis, a first pitch arm, a second pitch arm, an antenna mounting plate, a pitch photoelectric switch, a pitch photoelectric paddle, the pitch stepping motor is fixed on the motor mounting plate, the motor mounting plate is fixed on the left side plate, the output shaft of the pitch stepping motor is fixedly connected to one end of the coupling, the other end of the coupling is connected to the worm, the worm is mounted on the worm seat, the worm seat is fixedly mounted on the inner side of the left side plate, the worm is meshed with the worm wheel, the worm wheel is sleeved on the pitch axis and is tightly attached to the flange end face of the pitch axis, the first pitch arm and the second pitch arm are respectively installed on the right end face and the left end face of the pitch axis, the antenna mounting plate is fixedly installed between the first pitch arm and the second pitch arm, two pitch photoelectric switches are fixed on the right side plate on both sides of the pitch axis, and a pitch photoelectric paddle is installed on the pitch axis.

[0005] The azimuth rotation mechanism includes an azimuth stepper motor, a pinion, an internal gear slewing bearing, and a turntable. The azimuth stepper motor is fixed on the turntable. A pinion is installed on the output shaft of the azimuth stepper motor. The pinion is meshed with the gear of the internal gear slewing bearing. The inner ring of the internal gear slewing bearing is fixed to the base, and the outer ring of the internal gear slewing bearing is connected to the turntable.

[0006] The control part includes a pitch stepper motor drive board, an azimuth stepper motor drive board, and a main control board. The pitch stepper motor drive board, the azimuth stepper motor drive board, and the main control board are mounted on a circuit board bracket by screws, and the circuit board bracket is mounted between the left board and the right board.

[0007] A stator bracket is fixed on the base, and the stator bracket is connected to the stator bottom of the conductive slip ring by screws. The rotor of the conductive slip ring is fixedly connected to the azimuth rotating axis frame by a top screw. The azimuth rotating axis frame is installed on the turntable. The rotor outlet of the conductive slip ring is connected to the pitch stepping motor drive board, the azimuth stepping motor drive board, and the main control board. The stator outlet of the conductive slip ring is connected to the power supply aviation plug and the network port aviation plug set on the base; the upper end of the azimuth rotating axis frame is fixed with a high-frequency rotating joint bracket by screws, and the upper end flange of the high-frequency rotating joint Fixed on the high-frequency rotating joint bracket, the top RF input end of the high-frequency rotating joint is connected to the upper RF semi-steel cable via the high-frequency input aviation plug, the high-frequency input aviation plug is fixed on the right side plate, the lower end of the high-frequency rotating joint is inserted into the hole of the hollow shaft, the lower end of the high-frequency rotating joint is connected to the lower RF semi-steel cable through a thread, the lower RF semi-steel cable passes through the hollow shaft and is connected to the high-frequency output aviation plug arranged on the base; an azimuth photoelectric switch is fixed on the azimuth rotating shaft frame, and an azimuth photoelectric pick is fixed on the hollow shaft.

[0008] Preferably, a flat key is provided in the keyway of the pitch axis, and the flat key is inserted into the keyway of the worm wheel; a first sleeve is installed between the end face of the worm wheel and the first deep groove ball bearing, one end of the first sleeve is fixed to the end face of the worm wheel, and the other end of the first sleeve is axially fixed through an inner ring on one side of the first deep groove ball bearing; the first deep groove ball bearing is installed in the left side plate, and the outer ring on the other side of the first deep groove ball bearing is pressed against the outer ring through the first bearing cover, and the outer end face of the first bearing cover is installed with a first skeleton sealing ring that plays a waterproof and dustproof role.

[0009] Preferably, the right end of the pitch axis is pressed against the pitch axis shoulder by the inner ring of one side of the second deep groove ball bearing, the outer ring of the second deep groove ball bearing is fixed on the right side plate, the other side of the second deep groove ball bearing is pressed by the second bearing cover, and the outer end surface of the second bearing cover is installed with a second skeleton sealing ring for waterproof and dustproof functions.

[0010] Preferably, the pitch stepping motor and the azimuth stepping motor are both internally installed with encoders, which can provide real-time feedback on the current position of the turntable mechanism after the motor rotates, thereby achieving closed-loop control.

[0011] Preferably, the bottom flange of the hollow shaft is fixed on the stator bracket, and the upper end of the hollow shaft passes through the center of the turntable, the conductive slip ring, and the azimuth rotating shaft frame in sequence.

[0012] Preferably, arc-shaped handles are installed on both sides of the base, and anti-slip grooves are provided on the outer sides of the arc-shaped handles to meet the application requirements of portable execution in various scenarios.

[0013] Preferably, an antenna turntable base plate is installed on the bottom surface of the base, and a universal threaded hole for a tripod is provided on the antenna turntable base plate, which can be directly installed on a tripod to perform applications in various scenarios.

[0014] The beneficial effects of the utility model are as follows: the device has simple and efficient transmission, stable mechanism operation, strong versatility, good reliability, and high intelligence, which greatly improves the application efficiency of the antenna turntable, has a wide range of applicability, and has broad application prospects. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The utility model is described in detail below with reference to the accompanying drawings and specific implementation methods;

[0016] Figure 1 It is a schematic diagram of the structure of the utility model;

[0017] Figure 2 It is a three-dimensional assembly diagram of the internal structure of the utility model;

[0018] Figure 3 for Figure 2 Rear view of

[0019] Figure 4 It is a planar cross-sectional view of the internal structure of the utility model;

[0020] Figure 5 It is a bottom schematic diagram of the utility model;

[0021] Figure 6 It is a schematic diagram of the hand-carrying of the utility model. DETAILED DESCRIPTION

[0022] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

[0023] Reference Figure 1-6, this specific implementation adopts the following technical scheme: a new antenna turntable, including a left side plate 1, a right side plate 2, a front side plate 3, a rear side plate 4, a pitch mechanism, an azimuth rotation mechanism, a control part, an upper cover 5, a base 6, a liquid crystal display screen 7, a conductive slip ring 8, a high-frequency rotating joint 9, a high-frequency rotating joint bracket 10, a stator bracket 11, and an azimuth rotation axis bracket 12. The left side plate 1, the right side plate 2, the front side plate 3 and the rear side plate 4 constitute a turntable shell. A display screen mounting plate 33 is fixed on the left side plate 1, and a liquid crystal display screen 7 is installed through the display screen mounting plate 33. The liquid crystal display screen 7 can display the pitch, azimuth angle and position coordinates in real time; an upper cover 5 is installed on the upper part of the shell, a base 6 is installed on the bottom of the shell, and a pitch mechanism, an azimuth rotation mechanism and a control part are installed inside the shell. Specifically, the composition structure and connection relationship of each mechanism are as follows:

[0024] The pitch mechanism includes a pitch stepping motor 13, a motor mounting plate 14, a coupling 15, a worm 16, a worm seat 17, a worm wheel 18, a pitch shaft 19, a first pitch arm 20, a second pitch arm 21, an antenna mounting plate 22, a pitch photoelectric switch 23, and a pitch photoelectric paddle 24. The pitch stepping motor 13 is fixed on the motor mounting plate 14, and the motor mounting plate 14 is fixed on the left side plate 1. The output shaft of the pitch stepping motor 13 is fixedly connected to one end of the coupling 15, and the other end of the coupling 15 is connected to the worm 16, and the worm 16 is installed on the left side plate 1. On the worm seat 17, the worm seat 17 is fixedly mounted on the inner side of the left side plate 1, the worm 16 is meshed with the worm wheel 18, the worm wheel 18 is sleeved on the pitch axis 19 and is tightly attached to the flange end face of the pitch axis 19, the right end face and the left end face of the pitch axis 19 are respectively mounted with a first pitch arm 20 and a second pitch arm 21, an antenna mounting plate 22 is fixedly mounted between the first pitch arm 20 and the second pitch arm 21, two pitch photoelectric switches 23 are fixed on both sides of the pitch axis 19 on the right side plate 2, and a pitch photoelectric paddle 24 is mounted on the pitch axis 19. When the pitch stepping motor 13 rotates, it drives the worm 16 to rotate, and the worm 16 meshes with the worm wheel 18, thereby driving the worm wheel 18 to rotate. The worm wheel 18 is installed on the pitch axis 19. The pitch stepping motor 13 controls the pitch of the antenna installed on the antenna mounting plate 22 to rotate. When the device loses power, the worm 16 and the worm wheel 18 can achieve self-locking of the mechanism, so that the antenna position remains in the state when the power is off. In addition, when the pitch photoelectric paddle 24 rotates forward and reverse, the pitch photoelectric switch 23 enters the two extreme positions corresponding to the pitch axis 19, thereby ensuring the reliability of control and the accuracy of position.

[0025] It is worth noting that a flat key 43 is provided in the keyway of the pitch shaft 19, and the flat key 43 is inserted into the keyway of the worm wheel 18; a first sleeve 45 is installed between the end face of the worm wheel 18 and the first deep groove ball bearing 44, one end of the first sleeve 45 is fixed to the end face of the worm wheel 18, and the other end of the first sleeve 45 is axially fixed by an inner ring on one side of the first deep groove ball bearing 44; the first deep groove ball bearing 44 is installed in the left side plate 1, and the outer ring on the other side of the first deep groove ball bearing 44 is pressed against the outer ring by the first bearing cover 46, and the outer end face of the first bearing cover 46 is installed with a first skeleton sealing ring 47 for waterproof and dustproof functions; the right end of the pitch shaft 19 is pressed against the pitch shaft shoulder by the inner ring on one side of the second deep groove ball bearing 48, the outer ring of the second deep groove ball bearing 48 is fixed on the right side plate 2, the other side of the second deep groove ball bearing 48 is pressed against by the second bearing cover 49, and the outer end face of the second bearing cover 49 is installed with a second skeleton sealing ring 50 for waterproof and dustproof functions.

[0026] The azimuth rotation mechanism includes an azimuth stepper motor 25, a pinion 26, an internal gear slewing bearing 27, and a turntable 28. The azimuth stepper motor 25 is fixed on the turntable 28. The pinion 26 is installed on the output shaft of the azimuth stepper motor 25. The pinion 26 is meshed with the gear of the internal gear slewing bearing 27. The inner ring of the internal gear slewing bearing 27 is fixed to the base 6, and the outer ring of the internal gear slewing bearing 27 is connected to the turntable 28. The azimuth rotation mechanism adopts a transmission mechanism in which the azimuth stepper motor 25 plus the pinion 26 drive the internal gear slewing bearing 27. When the azimuth stepper motor 25 is working, the pinion 26 moves in a circle around the internal gear slewing bearing 27, driving the turntable 28 and the outer ring of the internal gear slewing bearing 27 to rotate, so that the antenna turntable performs azimuth rotation.

[0027] The control part includes a pitch stepper motor drive board 29, an azimuth stepper motor drive board 30, and a main control board 31. The pitch stepper motor drive board 29, the azimuth stepper motor drive board 30, and the main control board 31 are mounted on a circuit board bracket 32 ​​by screws, and the circuit board bracket 32 ​​is installed between the left side board 1 and the right side board 2.

[0028] A stator bracket 11 is fixed on the base 6, and the stator bracket 11 is connected to the stator bottom of the conductive slip ring 8 by screws. The rotor of the conductive slip ring 8 is fixedly connected to the azimuth rotating shaft frame 12 by a top screw. The rotor of the conductive slip ring 8 rotates with the azimuth rotating shaft frame 12 and the turntable 28. The azimuth rotating shaft frame 12 is installed on the turntable 28. The rotor outlet of the conductive slip ring 8 is connected to the pitch stepping motor drive board 29, the azimuth stepping motor drive board 30, and the main control board 31. The stator outlet of the conductive slip ring 8 is connected to the power supply aviation plug 34 and the network port aviation plug 35 provided on the base 6; the upper end of the azimuth rotating shaft frame 12 is fixed with a high-frequency rotating joint bracket 10 by screws, and the upper end flange of the high-frequency rotating joint 9 is fixed on the high-frequency rotating joint bracket 10. The upper end of the high-frequency rotating joint 9 rotates with the turntable 28. The top RF input end of the high-frequency rotating joint 9 is connected to the upper RF semi-steel cable 37 via the high-frequency input aviation plug 36. The plug 36 is fixed on the right side plate 2, and the lower end of the high-frequency rotating joint 9 is stuck in the hole of the hollow shaft 38. When the upper end of the high-frequency rotating joint 9 rotates with the turntable 28, the lower end and the hollow shaft 38 remain stationary; the lower end of the high-frequency rotating joint 9 is connected to the lower end radio frequency semi-steel cable 39 through a thread, and the lower end radio frequency semi-steel cable 39 passes through the hollow shaft 38 and is connected to the high-frequency output aviation plug 40 set on the base 6. The bottom flange of the hollow shaft 38 is fixed on the stator bracket 11, and the upper end of the hollow shaft 38 passes through the center of the turntable 28, the conductive slip ring 8, and the azimuth rotating shaft frame 12 in sequence; an azimuth photoelectric switch 41 is fixed on the azimuth rotating shaft frame 12, and the azimuth photoelectric switch 41 rotates with the turntable 28; an azimuth photoelectric paddle 42 is fixed on the hollow shaft 38, and the azimuth photoelectric paddle 42 remains stationary with the hollow shaft 38, and the azimuth photoelectric paddle 42 enters the position corresponding to the azimuth photoelectric switch 41 to ensure the reliability of control and the accuracy of position.

[0029] The power supply aviation plug 34 and the network port aviation plug 35 can be connected to the power supply and the network, and are connected to the pitch stepper motor drive board 29, the azimuth stepper motor drive board 30, and the main control board 31 via the conductive slip ring 8. The conductive slip ring 8 can realize the transmission of power signals and control signals to ensure that the cables will not be entangled during the rotation process and to ensure the continuous rotation of the turntable 360°. Through this approach, the movement of the antenna turntable can be controlled in real time on the computer, and the operating parameters can be set and read to achieve intelligent control. In addition, the high-frequency antenna signal is transmitted to the high-frequency output aviation plug 40 via the high-frequency rotating joint 9 to ensure that the cables will not be entangled during the rotation process and rotate continuously with the turntable. The high-frequency output aviation plug 40 can be connected to the antenna receiving device to complete the antenna signal reception and display.

[0030] It is worth noting that encoders are installed inside the pitch stepping motor 13 and the azimuth stepping motor 25, which can provide real-time feedback on the current position of the turntable mechanism after the motor rotates, thereby achieving closed-loop control.

[0031] In this specific embodiment, arc handles 51 are installed on both sides of the base 6, and anti-slip grooves are provided on the outer sides of the arc handles 51 to meet the application requirements of portable execution in various scenarios; at the same time, an antenna turntable base plate 52 is installed on the bottom surface of the base 6, and a universal threaded hole for a tripod is provided on the antenna turntable base plate 52, which can be directly installed on a tripod to execute applications in various scenarios.

[0032] This specific implementation method is based on market applications and actual needs, fully considers various specific factors, and combines the use scenarios. The application of conductive slip rings and high-frequency rotating joints is added to the structural design, which greatly increases the application efficiency of the antenna turntable. Its technical advantages are:

[0033] (1) Low manufacturing cost, simple and efficient transmission, stable operation and good reliability;

[0034] (2) The curved handle on the base makes it easier to carry and transport, making it more convenient to use;

[0035] (3) The bottom plate has mounting holes and tripod thread interfaces to meet outdoor use. It can be used in fixed, vehicle-mounted, and outdoor portable testing to meet the needs of multiple scenarios.

[0036] (4) The use of conductive slip rings and high-frequency rotary joints to achieve reliable, continuous rotation and intelligent control.

[0037] In summary, the antenna turntable realizes continuous rotation of the antenna in pitch and azimuth, receives radio signals in real time, has good versatility, high intelligence, wide application range, and has broad market application prospects.

[0038] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A novel antenna turntable, characterized in that: The turntable comprises a left side plate (1), a right side plate (2), a front side plate (3), a rear side plate (4), a pitch mechanism, an azimuth rotation mechanism, a control part, an upper cover (5), a base (6), a liquid crystal display screen (7), a conductive slip ring (8), a high-frequency rotating joint (9), a high-frequency rotating joint bracket (10), a stator bracket (11), and an azimuth rotating shaft bracket (12). The left side plate (1), the right side plate (2), the front side plate (3) and the rear side plate (4) form a turntable shell, and an upper cover is installed on the upper part of the shell. The housing is provided with a cover (5), a base (6) is installed at the bottom of the housing, and a pitch mechanism, an azimuth rotation mechanism, and a control part are installed inside the housing; the pitch mechanism includes a pitch stepping motor (13), a motor mounting plate (14), a coupling (15), a worm (16), a worm seat (17), a worm wheel (18), a pitch axis (19), a first pitch arm (20), a second pitch arm (21), an antenna mounting plate (22), a pitch photoelectric switch (23), and a pitch photoelectric paddle (24). The pitch stepping motor (13) is fixed on the motor mounting plate (14), the motor mounting plate (14) is fixed on the left side plate (1), the output shaft of the pitch stepping motor (13) is fixedly connected to one end of the coupling (15), the other end of the coupling (15) is connected to the worm (16), the worm (16) is mounted on the worm seat (17), the worm seat (17) is fixedly mounted on the inner side of the left side plate (1), the worm (16) is meshed with the worm wheel (18), the worm wheel (18) is sleeved Connected to the pitch axis (19) and in close contact with the flange end face of the pitch axis (19), the right end face and the left end face of the pitch axis (19) are respectively mounted with a first pitch arm (20) and a second pitch arm (21), an antenna mounting plate (22) is fixedly mounted between the first pitch arm (20) and the second pitch arm (21), two pitch photoelectric switches (23) are fixedly mounted on the right side plate (2) at both sides of the pitch axis (19), and a pitch photoelectric paddle (24) is mounted on the pitch axis (19); The azimuth rotation mechanism comprises an azimuth stepping motor (25), a pinion (26), an internal gear slewing bearing (27), and a turntable (28). The azimuth stepping motor (25) is fixed on the turntable (28). The pinion (26) is mounted on the output shaft of the azimuth stepping motor (25). The pinion (26) is meshed with a gear of the internal gear slewing bearing (27). The inner ring of the internal gear slewing bearing (27) is fixed to the base (6). The outer ring of the internal gear slewing bearing (27) is connected to the turntable (28). The control part comprises a pitch stepping motor drive board (29), an azimuth stepping motor drive board (30), and a main control board (31); the pitch stepping motor drive board (29), the azimuth stepping motor drive board (30), and the main control board (31) are mounted on a circuit board bracket (32) by screws; and the circuit board bracket (32) is mounted between the left side board (1) and the right side board (2); A display screen mounting plate (33) is fixed on the left side plate (1), and a liquid crystal display screen (7) is mounted via the display screen mounting plate (33); A stator bracket (11) is fixed on the base (6), and the stator bracket (11) is connected to the stator bottom of the conductive slip ring (8) by screws. The rotor of the conductive slip ring (8) is fixedly connected to the azimuth rotating shaft frame (12) by a top screw. The azimuth rotating shaft frame (12) is installed on the turntable (28). The rotor output line of the conductive slip ring (8) is connected to the pitch stepping motor drive board (29), the azimuth stepping motor drive board (30), and the main control board (31). The stator output line of the conductive slip ring (8) is connected to the power supply aviation plug (34) and the network port aviation plug (35) arranged on the base (6); the upper end of the azimuth rotating shaft frame (12) is fixed with a high-frequency rotating joint bracket (10) by screws, and the high-frequency rotating joint (9) is connected to the high-frequency rotating joint (9). The end flange is fixed on the high-frequency rotating joint bracket (10), the top radio frequency input end of the high-frequency rotating joint (9) is connected to the upper radio frequency semi-steel cable (37) via the high-frequency input aviation plug (36), the high-frequency input aviation plug (36) is fixed on the right side plate (2), the lower end of the high-frequency rotating joint (9) is inserted into the hole of the hollow shaft (38), the lower end of the high-frequency rotating joint (9) is connected to the lower radio frequency semi-steel cable (39) through a thread, the lower radio frequency semi-steel cable (39) passes through the hollow shaft (38) and is connected to the high-frequency output aviation plug (40) arranged on the base (6); an azimuth photoelectric switch (41) is fixed on the azimuth rotating shaft frame (12), and an azimuth photoelectric pick (42) is fixed on the hollow shaft (38).

2. A novel antenna turntable according to claim 1, characterized in that: A flat key (43) is arranged in the keyway of the pitch shaft (19), and the flat key (43) is inserted into the keyway of the worm wheel (18).

3. The novel antenna turntable according to claim 1 is characterized in that: A first shaft sleeve (45) is installed between the end face of the worm wheel (18) and the first deep groove ball bearing (44), one end of the first shaft sleeve (45) is fixed to the end face of the worm wheel (18), and the other end of the first shaft sleeve (45) is axially fixed by an inner ring on one side of the first deep groove ball bearing (44); the first deep groove ball bearing (44) is installed in the left side plate (1), and the outer ring on the other side of the first deep groove ball bearing (44) is pressed against the outer ring by a first bearing cover (46), and a first skeleton sealing ring (47) having a waterproof and dustproof function is installed on the outer end face of the first bearing cover (46).

4. The novel antenna turntable according to claim 1 is characterized in that: The right end of the pitch shaft (19) is pressed against the pitch shaft shoulder by the inner ring of one side of the second deep groove ball bearing (48), the outer ring of the second deep groove ball bearing (48) is fixed on the right side plate (2), the other side of the second deep groove ball bearing (48) is pressed by the second bearing cover (49), and the outer end surface of the second bearing cover (49) is installed with a second skeleton sealing ring (50) for waterproof and dustproof functions.

5. The novel antenna turntable according to claim 1 is characterized in that: Encoders are installed inside the pitch stepping motor (13) and the azimuth stepping motor (25).

6. The novel antenna turntable according to claim 1 is characterized in that: The bottom flange of the hollow shaft (38) is fixed on the stator bracket (11), and the upper end of the hollow shaft (38) passes through the center of the turntable (28), the conductive slip ring (8), and the azimuth rotating shaft frame (12) in sequence.

7. The novel antenna turntable according to claim 1 is characterized in that: Arc handles (51) are installed on both sides of the base (6), and anti-slip grooves are arranged on the outer sides of the arc handles (51).

8. The novel antenna turntable according to claim 1 is characterized in that: The bottom surface of the base (6) is provided with an antenna turntable bottom plate (52), and a universal threaded hole for a tripod is provided on the antenna turntable bottom plate (52).

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