CN219575928U - Shipborne satellite television antenna base and shipborne satellite television antenna - Google Patents

Abstract

The utility model discloses a shipborne satellite television antenna base which comprises an azimuth mechanism, wherein the lower part of the azimuth mechanism is fixedly connected with a base, the upper part of the azimuth mechanism is fixedly connected with a pitching mechanism, the pitching mechanism comprises a pitching shaft, a first supporting frame is arranged outside the pitching shaft, a first driving part is fixedly connected outside the first supporting frame, the first driving part is in transmission connection with a sector wheel, and the sector wheel is positioned on a second supporting frame. The utility model also discloses a shipborne satellite television antenna, which comprises an antenna body and a shipborne satellite television antenna seat, wherein the pitching axis of the shipborne satellite television antenna seat is fixedly connected with the antenna body. The utility model can enable the vast staff and passengers on the ship to watch the television programs in real time under the ship swaying condition.

Description

Shipborne satellite television antenna base and shipborne satellite television antenna

Technical Field

The utility model relates to a satellite television antenna base and an antenna, in particular to a shipborne satellite television antenna base and a shipborne satellite television antenna, and belongs to the technical field of antennas.

Background

Watching television programs becomes an important part of people's daily life, and people can know various information such as information, current events, weather conditions, cultural custom and the like in various areas at home and abroad and around the world under the condition of no home leaving, and can also play back and entertain by watching television. An important component of this is the antenna utility model, which allows people living on land to watch television programs via satellite antennas. The antenna base is a device for supporting an antenna to detect a target, and enables the antenna to accurately point to a synchronous satellite through a control system of the antenna so as to receive television programs transmitted by the satellite. With the development of radio technology, communication devices are widely used in astronomical, meteorological, communication, education, aviation, aerospace, and other fields, and the size and weight of antenna bases are also becoming diversified. However, it is not very convenient for the people who need to work on the ship for a long time, because the ship is continuously moving and swaying, the use condition and land of the carrier-borne antenna base are different, and the people who need to work on the ship and the people who play at sea cannot watch various television programs anytime and anywhere, so that people cannot have better moods. Meanwhile, the weather conditions at sea cannot be known in time, and the weather with abuse cannot be avoided in time.

Disclosure of Invention

The utility model aims to solve the problem that the television programs can be watched by wide staff and passengers on a ship in real time under the condition of ship swinging, and further provides a shipborne satellite television antenna seat and a shipborne satellite television antenna.

The technical scheme adopted by the utility model for solving the problems is as follows:

the utility model provides a shipborne satellite television antenna seat, includes azimuth mechanism, azimuth mechanism's lower part fixedly connected with base, azimuth mechanism's upper portion fixedly connected with every single move mechanism, every single move mechanism includes the every single move axle, every single move axle is equipped with first support frame outward, first support frame outward fixedly connected with first drive division, first drive division passes through first support frame with every single move axle is connected, first drive division transmission is connected with the sector wheel, the sector wheel is located the second support frame.

Further, the first driving part comprises a first driving motor, the first driving motor is connected with a first speed reducer through a first coupling, the first speed reducer is fixedly connected with a first pinion, and the first pinion is meshed with the sector wheel.

Further, the azimuth mechanism comprises an azimuth shaft, the azimuth shaft is perpendicular to the pitching shaft and the ground, a third support frame is arranged outside the azimuth shaft, a second driving part is fixedly connected to the outside of the third support frame, and a large gear is connected to the second driving part in a transmission mode.

Further, the second driving part comprises a second driving motor, the second driving motor is connected with a second speed reducer through a second coupler, the second speed reducer is fixedly connected with a second pinion, and the second pinion is meshed with the large gear.

Further, a speed regulating hole is formed in the third supporting frame.

Further, an inclination sensor is arranged outside the azimuth shaft.

Furthermore, the azimuth mechanism is sleeved with a protective device.

Further, the protection device is a sealed box body, the box body is provided with an openable top cover, and the box body is provided with a ventilation device.

Further, a balance weight is arranged on the first supporting frame.

The shipborne satellite television antenna comprises an antenna body and a shipborne satellite television antenna seat, wherein a pitching axis of the shipborne satellite television antenna seat is fixedly connected with the antenna body.

The beneficial effects of the utility model are as follows:

according to the utility model, the azimuth mechanism and the pitching mechanism are arranged, so that under the condition of ship swaying, the ship-based satellite television antenna base can perform pitching rotary motion in the vertical direction while performing horizontal rotary motion, so that the vertical and rolling swaying angles caused by ship motion are compensated, the antenna is kept horizontal, the antenna is driven to rotate at a constant rotating speed, the scanning of the shipway mechanism is completed, and a shipway angle signal is output; through the arrangement of the speed regulating holes, the backlash of the gears is eliminated, and errors in transmission are reduced; the degrees of the azimuth axis rotation angle are output as electric signals through the arrangement of the inclination angle sensor so as to reflect the motion rule of the antenna and the azimuth angle of the axis; the antenna base is protected by the arrangement of the protecting device; through the setting of balancing piece, make every single move rotation part reach quiet balance as far as possible to reduce unbalanced moment, alleviate the load of motor.

Drawings

Fig. 1 is a schematic structural view of an embodiment of the on-board satellite television antenna of the present utility model.

Fig. 2 is a left side view of the embodiment of fig. 1.

Fig. 3 is a schematic view of the structure of an embodiment of the azimuth mechanism of the present utility model.

Detailed Description

The first embodiment is as follows: referring to fig. 1 and 2, the present embodiment of a seat for a satellite tv antenna 4 on a ship according to the present embodiment includes a base 1, an azimuth mechanism 2 is fixedly connected to an upper portion of the base 1, and a pitching mechanism is fixedly connected to an upper portion of the azimuth mechanism 2, so that the antenna 4 can perform pitching rotation in a vertical direction while performing horizontal rotation. The pitching mechanism comprises a pitching shaft 35, a first supporting frame 34 is arranged outside the pitching shaft 35, a first driving part is fixedly connected to the outside of the first supporting frame 34, a sector wheel 36 is connected to the first driving part in a transmission mode, the first driving part comprises a first driving motor 33, the first driving motor 33 is connected with a first speed reducer 31 through a first coupler 32, a first pinion 37 is fixedly connected to the first speed reducer 31, and the first pinion 37 is meshed with the sector wheel 36. The first driving part is integrally connected with the pitching shaft 35 through the first supporting frame 34, preferably, the pitching shaft 35 is made of channel steel to enhance rigidity, and bears the weight of the speed reducer, the motor and the antenna 4. The first driving motor 33 is a stepping motor, the first speed reducer 31 is a planetary cycloidal pin gear speed reducer, and the cycloidal pin gear speed reducer has the advantages of compact structure, small volume, light weight, large transmission ratio, high transmission efficiency, wide applicability, stable operation and low noise. The stepping motor drives the planetary cycloidal pin gear reducer, the first pinion 37 is connected with the planetary cycloidal pin gear reducer through a key, the sector wheel 36 is positioned on the second supporting frame 38, and the rotation of the stepping motor drives the antenna 4 to rotate in a pitching mode, and the transmission range is 15-90 degrees.

The azimuth mechanism 2 comprises an azimuth shaft 28, a third supporting frame 21 is arranged outside the azimuth shaft 28, a second driving part is fixedly connected to the outside of the third supporting frame 21, and a large gear 29 is connected to the second driving part in a transmission mode. The second driving part comprises a second driving motor 25, the second driving motor 25 is connected with a second speed reducer 23 through a second coupler 24, the second speed reducer 23 is fixedly connected with a second pinion 22, and the second pinion 22 is meshed with the large gear 29. Preferably, the azimuth shaft 28 is a hollow shaft, which can increase the rigidity of the shaft and reduce the weight. The second driving motor 25 is a stepping motor, the second speed reducer 23 is a planetary cycloidal pin gear speed reducer, and the stepping motor drives the planetary cycloidal pin gear speed reducer, the second pinion 22 and the large gear 29, so that the azimuth shaft 28 rotates, and the rotation range is larger than 360 degrees. The third supporting frame 21 is provided with a speed regulating hole, so that the backlash of the gear is eliminated, and the error in transmission is reduced. The outside of the azimuth axis 28 is provided with an inclination sensor, and the degrees of the rotation angle of the azimuth axis 28 are output as electric signals so as to reflect the motion rule of the antenna 4 and the azimuth angle of the axis. The azimuth shaft 28 is provided with a positioning member, the positioning member comprises a positioning nut arranged at the top end of the azimuth shaft 28 and a distance ring arranged at the bottom end of the azimuth shaft 28, and when the azimuth shaft 28 rotates to a limit position, the detection device can control the system through an output signal so as to brake or reverse the motor.

The azimuth mechanism 2 is sleeved with a protecting device 26, the protecting device 26 is a sealed box body, the box body is preferably an iron sheet cover, the iron sheet cover can be detached, the box body is provided with an openable top cover, and a ventilating device 27 (a ventilating hole or a ventilating channel) is arranged on the box body. The frames of the entire guard 26 are welded together with angle iron. The upper case cover of the protective cover is made into two movable pieces, so that the protective cover is convenient to detach and maintain. When the guard 26 is connected to the coupling head, the two do not rub against each other, while preventing water from entering the guard 26.

The first support frame 34 is provided with a balancing weight, and preferably, two sides of the bottom plate of the first support frame 34 are provided with balancing weights, so that the pitching rotation part can reach static balance as much as possible, unbalanced moment is reduced, and the load of the motor is reduced.

The azimuth axis 28 is perpendicular to the elevation axis 35 and the ground, so that the seat of the shipborne satellite television antenna 4 has compact structure, large bearing capacity and convenient adjustment and measurement.

The shipborne satellite television antenna 4 of the present embodiment includes an antenna 4 body and the shipborne satellite television antenna 4 base, where a pitch axis 35 of the shipborne satellite television antenna 4 base is fixedly connected with the antenna 4 body. The method can lead the majority of staff and passengers on the ship to watch television programs in real time, eliminate the fatigue and loneliness of the journey, and improve the comprehensive competitiveness of shipping companies.

Working principle:

for the pitching rotation part of the antenna pedestal, the first driving motor drives the first speed reducer, the transmission ratio of the first speed reducer is i=17, the first pinion is connected with the planetary cycloidal pin gear speed reducer through a key, the sector wheel is positioned on the second supporting frame, the transmission ratio of the first speed reducer is i=3, and the stepping motor rotates to drive the antenna to rotate in a pitching mode, and the transmission range is 15-90 degrees. For the azimuth rotating part of the antenna base, the second driving motor drives the second speed reducer, the second pinion and the large gear, so that the azimuth shaft rotates, and the rotating range of the azimuth shaft is larger than 360 degrees. The third support frame is provided with a speed regulating hole, the backlash is adjustable, an inclination sensor is arranged outside the azimuth axis, and the degrees of the rotation angle of the azimuth axis are output by electric signals so as to reflect the movement rule of the antenna and the azimuth angle of the axis. When the azimuth shaft rotates to the limit position, the detection device can control the system through the output signal so as to brake or reverse the motor. Under the condition of ship swinging, the vertical and rolling swinging angles caused by ship body movement are compensated, so that the antenna is kept horizontal, the antenna is driven to rotate at a constant rotating speed, the scan of the shipway mechanism is completed, and the shipway angle signal is output. The antenna pedestal is erected on the deck of the ship and has higher requirements on strength and rigidity, and is resistant to impact and vibration, and the resonant frequency meets the requirement of the bandwidth of a servo system. The antenna can be ensured to perform pitching rotation motion in the vertical direction while performing horizontal rotation motion.

The present utility model is not limited to the preferred embodiments, but is capable of modification and variation in detail, and other embodiments, such as those described above, of making various modifications and equivalents will fall within the spirit and scope of the present utility model.

Claims (10)

1. The utility model provides a shipborne satellite television antenna seat, its characterized in that includes azimuth mechanism (2), the lower part fixedly connected with base (1) of azimuth mechanism (2), the upper portion fixedly connected with every single move mechanism of azimuth mechanism (2), every single move mechanism includes every single move axle (35), every single move axle (35) are equipped with first support frame (34) outward, first support frame (34) external fixation has first drive division, first drive division passes through first support frame (34) with every single move axle (35) are connected, first drive division transmission is connected with sector wheel (36), sector wheel (36) are located second support frame (38).

2. An on-board satellite television antenna mount according to claim 1, characterized in that the first drive section comprises a first drive motor (33), the first drive motor (33) is connected with a first speed reducer (31) through a first coupling (32), the first speed reducer (31) is fixedly connected with a first pinion (37), and the first pinion (37) is intermeshed with the sector wheel (36).

3. The shipborne satellite television antenna base according to claim 1, characterized in that the azimuth mechanism (2) comprises an azimuth axis (28), the azimuth axis (28) is perpendicular to the pitching axis (35) and the ground, a third support frame (21) is arranged outside the azimuth axis (28), a second driving part is fixedly connected to the outside of the third support frame (21), and a large gear (29) is connected to the second driving part in a transmission manner.

4. A satellite television antenna socket on board according to claim 3, characterized in that said second driving part comprises a second driving motor (25), said second driving motor (25) being connected with a second reducer (23) through a second coupling (24), said second reducer (23) being fixedly connected with a second pinion (22), said second pinion (22) being intermeshed with said gearwheel (29).

5. A satellite television antenna base on board according to claim 3, characterized in that said third supporting frame (21) is provided with a speed regulating hole.

6. A satellite television antenna mount on board a ship according to claim 3, characterized in that an inclination sensor is provided outside the azimuth axis (28).

7. An on-board satellite television antenna mount according to claim 1, wherein the azimuth mechanism (2) is externally sleeved with a guard (26).

8. The satellite television antenna base on board a ship according to claim 7, characterized in that said protection device (26) is a sealed box provided with an openable top cover, and said box is provided with a ventilation device (27).

9. An on-board satellite television antenna mount according to claim 1, wherein the first support frame (34) is provided with a counterweight.

10. A satellite television on board, characterized in that it comprises an antenna (4) body and a satellite television on board seat according to any one of claims 1-9, the tilt axis (35) of which is fixedly connected to the antenna (4) body.