Communication device for communication vehicle

Abstract

The invention belongs to the technical field of communication devices, and particularly relates to a communication device for a communication vehicle, which comprises a mounting plate, a controller is fixedly connected to the upper side wall of the mounting plate, a mounting ring is fixedly connected to the upper side wall of the mounting plate, and a rotating table is rotatably connected to the outer wall of the mounting ring through a bearing. And the upper side wall of the mounting plate is fixedly connected with an adjusting motor. When the middle area of the parabolic antenna carried on the communication vehicle is locally sunken, the reflecting surface and accurate paraboloid form can be quickly recovered, gain attenuation, sidelobe level rise and noise coefficient rise caused by damage of a core area are avoided, and communication continuity and stability of scenes such as emergency communication and on-site command are guaranteed; and the service life of the antenna is prolonged, the equipment utilization rate is increased, repair can be completed without parking and dismounting, and the task reliability and the operation and maintenance efficiency of the communication vehicle in a complex environment are greatly improved.

Description

Technical Field

[0001] This invention belongs to the field of communication device technology, and in particular relates to a communication device for a communication vehicle. Background Technology

[0002] Communication vehicles are specialized vehicles equipped with communication equipment to ensure communication and are used for mobile communication. They are typically classified into emergency integrated communication vehicles, network management vehicles, program-controlled telephone vehicles, adaptive frequency hopping radio vehicles, digital spread spectrum relay vehicles, scatter communication vehicles, satellite communication vehicles, optical cable connection vehicles, cable delivery vehicles, and communication power supply vehicles. Parabolic antennas are widely used in communication vehicles due to their advantages such as strong communication performance, high communication security, low power consumption, and compatibility with vehicle power supply.

[0003] During long-term use, the central part of the parabolic antenna reflector, as the "focal zone" where the sun shines directly, experiences the most severe thermal expansion and contraction due to diurnal and seasonal temperature differences. After repeated thermal cycles, the metal material is prone to accumulated plastic deformation, eventually forming a central depression. At the same time, impacts from external objects can also cause surface depression damage. Since the core function of the reflector is to focus electromagnetic waves to the feed source or achieve axial parallel radiation, damage to the central region has the most significant impact on performance. Once this area is damaged, it will directly cause a significant decrease in antenna gain, an increase in sidelobe level, and an increase in noise figure, seriously affecting communication stability.

[0004] To address these issues, a communication device for vehicles is proposed. Summary of the Invention

[0005] The purpose of this invention is to address the aforementioned problems by providing a communication device for a communication vehicle. This device can quickly restore the reflective surface to a precise parabolic shape, avoiding gain attenuation, increased sidelobe levels, and increased noise figures caused by damage to the core area. This ensures the continuity and stability of communication in emergency communication and on-site command scenarios, and can also promptly curb the deterioration of the indentation, extending the antenna's lifespan and equipment utilization. Repair can be completed without stopping the vehicle for disassembly, significantly improving the reliability and operational efficiency of the communication vehicle in complex environments.

[0006] To achieve the above objectives, the present invention adopts the following technical solution: a communication device for a communication vehicle, comprising a mounting plate, a controller fixedly connected to the upper side wall of the mounting plate, a mounting ring fixedly connected to the upper side wall of the mounting plate, a rotating platform rotatably connected to the outer wall of the mounting ring via a bearing, an adjusting motor fixedly connected to the upper side wall of the mounting plate, the output end of the adjusting motor being driven by the rotating platform via a gear ring transmission mechanism, a support column fixedly connected to the upper side wall of the rotating platform, a support frame fixedly connected to the upper end of the support column, an adjusting shaft rotatably connected to the inner wall of the support frame, a servo motor fixedly connected to the outer wall of the support frame, the output end of the servo motor passing through the support frame and connected to the adjusting shaft, a mounting cover fixedly connected to the upper end of the adjusting shaft, a reflective surface connected to the inner wall of the mounting cover, and a feed source connected to the lower side wall of the mounting cover via a bracket, further comprising: The repair component is located inside the mounting cover. When a dent is detected in the central area of ​​the reflective surface, it automatically adsorbs the dented area. A heating component is disposed inside the repair component. Before the repair component repairs the recessed area of ​​the reflective surface, the heating component is used to heat and soften the recessed area of ​​the reflective surface.

[0007] Preferably, the repair assembly includes a grid frame fixedly connected inside the mounting cover. One end of the grid frame is connected to the side wall of the reflective surface. A sealing plate is fixedly connected to the end of the grid frame away from the reflective surface. The sealing plate is connected to the inner wall of the mounting cover. Two small electric push rods are fixedly connected to the inner wall of the mounting cover away from the reflective surface. The moving ends of the two small electric push rods are fixedly connected to the same moving plate. Multiple repair rods are fixedly connected to the side wall of the moving plate near the sealing plate. Multiple through holes matching the repair rods are opened on the side wall of the sealing plate. Multiple moving cavities are provided inside the grid frame. The end of the repair rod away from the moving plate is located in the moving cavity and is connected to a piston seat. A pressure chamber is opened inside the piston seat. A small pressure sensor is connected to the inner wall of the pressure chamber. Multiple air jet holes are opened on the side wall of the pressure chamber near the reflective surface.

[0008] Preferably, the heating assembly includes an air pump fixedly connected to the inner wall of the mounting cover, a heating box fixedly connected to the side wall of the sealing plate, multiple guide plates fixedly connected to the inner wall of the heating box, forming a heating channel inside the heating box through the multiple guide plates, multiple heating wires fixedly connected to the side wall of the guide plates, an air supply pipe fixedly connected to the side wall of the heating box, the end of the air supply pipe away from the heating box passing through multiple moving cavities, a gas distribution pipe fixedly connected to the pipe wall of the air supply pipe located in the moving cavity, a horizontal pipe connected to the side wall of the air pressure chamber, a telescopic pipe fixedly connected between the gas distribution pipe and the horizontal pipe, a first control valve provided in the horizontal pipe, a return pipe inserted into the side wall of the piston seat, and a second control valve provided in the return pipe.

[0009] Preferably, an air pump is fixedly connected to the side wall of the grid frame, the air outlet of the air pump is connected to the outside, and the air inlet of the air pump is connected to the air delivery pipe.

[0010] Preferably, the air pump is equipped with a first solenoid valve at its air inlet end, and the air delivery pipe is equipped with a second solenoid valve at the end near the heating box.

[0011] Preferably, the lower side wall of the mounting cover is provided with an air pressure hole, which is located between the sealing plate and the moving plate.

[0012] Preferably, the side wall of the support frame is connected to a limiting plate, the side wall of the limiting plate is connected to a limiting electric push rod, the output end of the limiting electric push rod passes through the limiting plate and is connected to a friction plate, and the rotating end of the adjusting shaft is connected to a friction block.

[0013] Preferably, support plates are connected to both the left and right sides of the mounting cover. Small linear motors are connected to the side walls of both support plates. The output ends of both small linear motors are connected to vertical plates. A motor is connected to the side wall of the left vertical plate. The output end of the motor passes through the vertical plate and is connected to an arc-shaped tube. Multiple nozzles are connected to the wall of the arc-shaped tube. A rotating pipe is rotatably connected to the side wall of the right vertical plate. The rotating pipe is connected to the arc-shaped tube. A metal pipe is rotatably connected to the end of the rotating pipe away from the arc-shaped tube. The metal pipe is connected to the right vertical plate through a bracket. An annular water tank is connected to the upper side wall of the rotating platform. A water pump is connected to the upper side wall of the annular water tank. A hose is connected to the outlet end of the water pump. The upper end of the hose is connected to the metal pipe.

[0014] Compared with existing technologies, the advantages of this invention are as follows: 1. This invention, through its repair component, can quickly restore the reflective surface and accurately reproduce the parabolic shape when a local dent occurs in the central area of ​​the parabolic antenna mounted on the communication vehicle. This avoids gain attenuation, increased sidelobe level, and increased noise figure caused by damage to the core area, ensuring the continuity and stability of communication in emergency communication, on-site command, and other scenarios. It can also promptly curb the deterioration of the dent, extend the antenna's service life and equipment utilization rate, and complete the repair without stopping the vehicle for disassembly, significantly improving the reliability and operational efficiency of the communication vehicle in complex environments.

[0015] 2. This invention uses a heating component to heat the concave area in the middle of the parabolic antenna before repair, reducing the yield strength and hardness of the metal reflector, improving the material's plasticity and toughness, reducing the external force required and stress concentration during repair, and avoiding secondary damage caused by forced correction; at the same time, it can alleviate the residual stress accumulated during long-term thermal expansion and contraction and the formation of the concavity, helping the reflector to more easily restore the ideal parabolic shape, improving repair accuracy and surface stability, extending the antenna's service life, and ensuring efficient recovery of communication performance after repair.

[0016] 3. This invention, through the setting of a support plate, a small linear motor, a vertical plate, a motor, an arc-shaped tube, a nozzle, a rotating pipe, a metal pipe, an annular water tank, and a water pump, can quickly clean the dust after long-term use of the communication device and after the parabolic antenna reflector surface is covered with dust. This avoids dust blocking the propagation of electromagnetic waves or increasing surface roughness, thereby reducing performance losses such as gain attenuation, sidelobe level increase, and noise figure increase, and ensuring the stability and transmission efficiency of antenna communication. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the structure of a communication device for a communication vehicle provided by the present invention; Figure 2 This is a schematic diagram showing the positional relationship of metal tubes in a communication device for a communication vehicle provided by the present invention; Figure 3 This is a schematic diagram illustrating the positional relationship of an adjusting motor in a communication device for a communication vehicle provided by the present invention; Figure 4 This is a schematic diagram of the structure of a repair component in a communication device for a communication vehicle provided by the present invention; Figure 5 yes Figure 4 An enlarged schematic diagram of part A in the middle.

[0018] In the diagram: 1. Mounting plate, 2. Controller, 3. Mounting ring, 4. Rotary table, 5. Adjusting motor, 6. Support column, 7. Support frame, 8. Adjusting shaft, 9. Servo motor, 10. Mounting cover, 11. Reflector, 12. Feed source, 13. Repair assembly, 131. Grid frame, 132. Sealing plate, 14. Small electric push rod, 15. Moving plate, 16. Repair rod, 17. Moving cavity, 18. Piston seat, 19. Pressure chamber, 20. Small pressure sensor, 21. Jet nozzle, 22. Heating assembly, 221. Air pump, 222. Heating box, 23. Guide plate. 24 Heating wire, 25 Air supply pipe, 26 Hose, 27 Air distribution pipe, 28 Horizontal pipe, 29 Telescopic pipe, 30 First control valve, 31 Return pipe, 32 Second control valve, 33 Air pump, 34 First solenoid valve, 35 Second solenoid valve, 36 Air pressure hole, 37 Limiting plate, 38 Limiting electric push rod, 39 Friction plate, 40 Friction block, 41 Support plate, 42 Small linear motor, 43 Vertical plate, 44 Motor, 45 Arc-shaped pipe, 46 Nozzle, 47 Rotary pipe, 48 Metal pipe, 49 Annular water tank, 50 Water pump. Detailed Implementation

[0019] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments.

[0020] like Figures 1-5 The communication device for a communication vehicle shown includes a mounting plate 1. A controller 2 is fixedly connected to the upper side wall of the mounting plate 1. A mounting ring 3 is fixedly connected to the upper side wall of the mounting plate 1. A rotating platform 4 is rotatably connected to the outer wall of the mounting ring 3 via bearings. An adjusting motor 5 is fixedly connected to the upper side wall of the mounting plate 1. The output end of the adjusting motor 5 is connected to the rotating platform 4 via a gear and ring gear transmission mechanism (the gear and ring gear transmission mechanism includes a gear connected to the output end of the adjusting motor 5 and a ring gear connected to the inner wall of the rotating platform 4; the adjusting motor 5 drives...). The gear rotates (controlling the rotation of the gear ring and the rotating platform 4). A support column 6 is fixedly connected to the upper side wall of the rotating platform 4. A support frame 7 is fixedly connected to the upper end of the support column 6. An adjusting shaft 8 is rotatably connected to the inner wall of the support frame 7. A servo motor 9 is fixedly connected to the outer wall of the support frame 7. The output end of the servo motor 9 passes through the support frame 7 and is connected to the adjusting shaft 8. A mounting cover 10 is fixedly connected to the upper end of the adjusting shaft 8. A reflector 11 is connected to the inner wall of the mounting cover 10. A feed source 12 is connected to the lower side wall of the mounting cover 10 via a bracket. The system also includes: Repair component 13 is disposed inside mounting cover 10. Repair component 13 includes a grid frame 131 fixedly connected inside mounting cover 10. One end of the grid frame 131 is connected to the side wall of the reflective surface 11. A sealing plate 132 is fixedly connected to the end of the grid frame 131 away from the reflective surface 11. The sealing plate 132 is connected to the inner wall of mounting cover 10. Two small electric push rods 14 are fixedly connected to the inner wall of mounting cover 10 away from the reflective surface 11. The moving ends of the two small electric push rods 14 are fixedly connected to the same moving plate 15. An air pressure hole 36 is opened on the lower side wall of mounting cover 10. The air pressure hole 36 is located between the sealing plate 132 and the moving plate 15. In the middle, multiple repair rods 16 are fixedly connected to the side wall of the movable plate 15 near the sealing plate 132. The side wall of the sealing plate 132 has multiple through holes that match the repair rods 16. The inside of the grid frame 131 is provided with multiple movable cavities 17. The end of the repair rod 16 away from the movable plate 15 is located in the movable cavity 17 and is connected to a piston seat 18. The inside of the piston seat 18 is provided with a pressure chamber 19. The inner wall of the pressure chamber 19 is connected with a small pressure sensor 20. The side wall of the pressure chamber 19 near the reflective surface 11 is provided with multiple air jet holes 21. When a depression is detected in the middle area of ​​the reflective surface 11, the depression area is automatically adsorbed. Heating assembly 22 is disposed inside repair assembly 13. Heating assembly 22 includes an air pump 221 fixedly connected to the inner wall of mounting cover 10. A heating box 222 is fixedly connected to the side wall of sealing plate 132. Multiple guide plates 23 are fixedly connected to the inner wall of heating box 222, forming a heating channel inside heating box 222 through the multiple guide plates 23. Multiple heating wires 24 are fixedly connected to the side wall of guide plate 23. An air supply pipe 25 is fixedly connected to the side wall of heating box 222. The end of air supply pipe 25 away from heating box 222 passes through multiple moving cavities 17. The pipe wall of air supply pipe 25 located in the moving cavity 17 is fixedly connected to a gas distribution pipe 27. The side wall of air pressure chamber 19 is connected to a horizontal... The pipe 28, the air distribution pipe 27 and the horizontal pipe 28 are fixedly connected by the same telescopic pipe 29. The horizontal pipe 28 is equipped with a first control valve 30. The side wall of the piston seat 18 is connected to a return pipe 31. The return pipe 31 is equipped with a second control valve 32. The side wall of the grid frame 131 is fixedly connected to a vacuum pump 33. The air outlet of the vacuum pump 33 is connected to the outside. The air inlet of the vacuum pump 33 is connected to the air delivery pipe 25. The air inlet of the vacuum pump 33 is equipped with a first solenoid valve 34. The end of the air delivery pipe 25 near the heating box 222 is equipped with a second solenoid valve 35. Before the repair component 13 repairs the recessed area of ​​the reflective surface 11, the heating component 22 is used to heat and soften the recessed area of ​​the reflective surface 11.

[0021] The side wall of the support frame 7 is connected to a limiting plate 37, and the side wall of the limiting plate 37 is connected to a limiting electric push rod 38. The output end of the limiting electric push rod 38 passes through the limiting plate 37 and is connected to a friction plate 39. The rotating end of the adjusting shaft 8 is connected to a friction block 40, which can improve the stability of the antenna in windy weather.

[0022] Support plates 41 are connected to both sides of the mounting cover 10. Small linear motors 42 are connected to the side walls of the two support plates 41. The output ends of the two small linear motors 42 are connected to vertical plates 43. A motor 44 is connected to the side wall of the left vertical plate 43. The output end of the motor 44 passes through the vertical plate 43 and is connected to an arc-shaped pipe 45. Multiple nozzles 46 are connected to the wall of the arc-shaped pipe 45. A rotating pipe 47 is rotatably connected to the side wall of the right vertical plate 43. The rotating pipe 47 is connected to the arc-shaped pipe 45. A metal pipe 48 is rotatably connected to the end of the rotating pipe 47 away from the arc-shaped pipe 45. The metal pipe 48 is connected to the right vertical plate 43 through a bracket. An annular water tank 49 is connected to the upper side wall of the rotating platform 4. A water pump 50 is connected to the upper side wall of the annular water tank 49. A hose 26 is connected to the outlet end of the water pump 50. The upper end of the hose 26 is connected to the metal pipe 48, which can clean the dust on the surface of the reflective surface 11.

[0023] The operating principle of the present invention is explained as follows: The device is installed on the communication vehicle via the mounting plate 1. The operator can drive the adjustment motor 5 to rotate via an external remote control switch. The adjustment motor 5 drives the rotating table 4 to rotate through the meshing of the gear ring. The rotating table 4 drives the support column 6, support frame 7, adjustment shaft 8, mounting cover 10 and reflective surface 11 to rotate horizontally to a set angle. Then, the servo motor 9 is controlled to work via the external remote control switch. The servo motor 9 drives the mounting cover 10 and reflective surface 11 to rotate vertically to a set angle via the adjustment shaft 8. The reflective surface 11 is used to focus the dispersed electromagnetic waves into a narrow beam (when receiving) or convert the electromagnetic waves emitted by the feed 12 into a parallel beam (when transmitting), thereby realizing long-distance, high-gain signal transmission. When the central area of ​​the reflective surface 11 is partially dented due to thermal expansion and contraction or impact from an external object, the dented area of ​​the reflective surface 11 will compress the corresponding moving cavity 17. The compressed moving cavity 17 becomes smaller and the air pressure increases. Since the air pressure cavity 19 is connected to the moving cavity 17 through the jet hole 21, the controller 2 can detect the change in air pressure inside the moving cavity 17 through the small air pressure sensor 20. When the controller 2 detects a local depression in the reflective surface 11 and squeezes the moving cavity 17 by the change in air pressure, the controller 2 first controls the corresponding first control valve 30 and second control valve 32 to open, and controls the air pump 221 and heating wire 24 to work. At the same time, it controls the second solenoid valve 35 to open. The air pump 221 delivers external gas to the heating box 222 for heating by the heating wire 24. Then, the heated gas is delivered to the distribution pipe 27 through the air supply pipe 25, and delivered to the air pressure chamber 19 through the telescopic pipe 29 and the horizontal pipe 28. The heated gas is sprayed onto the depressed area of ​​the reflective surface 11 through the jet hole 21 on the surface of the air pressure chamber 19 to heat the metal material of the depressed area. The heated gas is discharged through the return pipe 31, the through hole on the surface of the grid frame 131 and the air pressure hole 36. After heating for one minute, controller 2 stops the air pump 221 and closes the second solenoid valve 35 and the first control valve 30, while keeping all second control valves 32 open. Then, controller 2 activates two small electric push rods 14, which move the sealing plate 132 a set distance closer to the reflective surface 11. The sealing plate 132, via multiple repair rods 16, moves multiple piston seats 18 towards the reflective surface 11. During this movement, the piston seats 18 contact the recessed area of ​​the reflective surface 11, pushing it forward. When the small electric push rods 14... 4. After stopping operation, controller 2 will close all second control valves 32 and operate the air pump 33, while simultaneously opening the first solenoid valve 34 and its corresponding first control valve 30. When the repair of the recessed area of ​​the reflective surface 11 is uneven, there is still a gap between the reflective surface 11 and the piston seat 18. After the air pump 33 starts operating, the air in the gap will be extracted through the air pressure chamber 19 and the jet hole 21. Under the action of negative pressure, the recessed area of ​​the reflective surface 11 will fit against the surface of the piston seat 18, thereby restoring the recessed area of ​​the reflective surface 11 to its initial state. After the controller 2 detects that the negative pressure in the air pressure chamber 19 reaches the set threshold (-203) through the small air pressure sensor 20, the controller 2 will then... This will stop the air pump 33 from working, open all the second control valves 32, and control the small electric push rod 14 to move the piston seat 18 to the initial position, thus completing the repair work of the reflective surface 11.

[0024] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A communication device for a communication vehicle, comprising a mounting plate (1), a controller (2) fixedly connected to the upper side wall of the mounting plate (1), a mounting ring (3) fixedly connected to the upper side wall of the mounting plate (1), a rotating platform (4) rotatably connected to the outer wall of the mounting ring (3) via a bearing, an adjusting motor (5) fixedly connected to the upper side wall of the mounting plate (1), the output end of the adjusting motor (5) being connected to the rotating platform (4) via a gear ring transmission mechanism, and a support column (6) fixedly connected to the upper side wall of the rotating platform (4). A support frame (7) is fixedly connected to the upper end of the support column (6). An adjustment shaft (8) is rotatably connected to the inner wall of the support frame (7). A servo motor (9) is fixedly connected to the outer wall of the support frame (7). The output end of the servo motor (9) passes through the support frame (7) and is connected to the adjustment shaft (8). A mounting cover (10) is fixedly connected to the upper end of the adjustment shaft (8). A reflective surface (11) is connected to the inner wall of the mounting cover (10). A feed source (12) is connected to the lower side wall of the mounting cover (10) through a bracket. The feature is that... Also includes: Repair component (13) is set inside the mounting cover (10). When a depression is detected in the middle area of ​​the reflective surface (11), it automatically adsorbs the depressed area. The heating component (22) is disposed inside the repair component (13). Before the repair component (13) repairs the recessed area of ​​the reflective surface (11), the heating component (22) is used to heat and soften the recessed area of ​​the reflective surface (11).

2. The communication device for a communication vehicle according to claim 1, characterized in that, The repair component (13) includes a grid frame (131) fixedly connected inside the mounting cover (10). One end of the grid frame (131) is connected to the side wall of the reflective surface (11). A sealing plate (132) is fixedly connected to the end of the grid frame (131) away from the reflective surface (11). The sealing plate (132) is connected to the inner wall of the mounting cover (10). Two small electric push rods (14) are fixedly connected to the inner wall of the mounting cover (10) away from the reflective surface (11). The moving ends of the two small electric push rods (14) are fixedly connected to the same moving plate (15). The moving plate (15) is close to the sealing plate (131). 132) A number of repair rods (16) are fixedly connected to one side wall. The side wall of the sealing plate (132) is provided with a number of through holes that match the repair rods (16). The inside of the grid frame (131) is provided with a number of moving cavities (17). The end of the repair rod (16) away from the moving plate (15) is located in the moving cavity (17) and is connected to a piston seat (18). The inside of the piston seat (18) is provided with a pressure chamber (19). The inner wall of the pressure chamber (19) is connected with a small pressure sensor (20). The side wall of the pressure chamber (19) near the reflective surface (11) is provided with a number of jet holes (21).

3. A communication device for a communication vehicle according to claim 2, characterized in that, The heating assembly (22) includes an air pump (221) fixedly connected to the inner wall of the mounting cover (10). A heating box (222) is fixedly connected to the side wall of the sealing plate (132). Multiple guide plates (23) are fixedly connected to the inner wall of the heating box (222). A heating channel is formed inside the heating box (222) through the multiple guide plates (23). Multiple heating wires (24) are fixedly connected to the side wall of the guide plates (23). An air supply pipe (25) is fixedly connected to the side wall of the heating box (222). The end away from the heating box (222) passes through multiple moving chambers (17). The gas supply pipe (25) is located in the moving chamber (17) and its wall is fixedly connected to the gas distribution pipe (27). The side wall of the air pressure chamber (19) is connected to the horizontal pipe (28). The gas distribution pipe (27) and the horizontal pipe (28) are fixedly connected to the same telescopic pipe (29). The horizontal pipe (28) is provided with a first control valve (30). The side wall of the piston seat (18) is inserted with a return pipe (31). The return pipe (31) is provided with a second control valve (32).

4. A communication device for a communication vehicle according to claim 3, characterized in that, A vacuum pump (33) is fixedly connected to the side wall of the grid frame (131). The outlet of the vacuum pump (33) is connected to the outside, and the inlet of the vacuum pump (33) is connected to the air delivery pipe (25).

5. A communication device for a communication vehicle according to claim 4, characterized in that, The air pump (33) is equipped with a first solenoid valve (34) at its air inlet end, and the air delivery pipe (25) is equipped with a second solenoid valve (35) at one end near the heating box (222).

6. A communication device for a communication vehicle according to claim 2, characterized in that, The lower side wall of the mounting cover (10) is provided with an air pressure hole (36), which is located between the sealing plate (132) and the moving plate (15).

7. A communication device for a communication vehicle according to claim 1, characterized in that, The side wall of the support frame (7) is connected to a limiting plate (37), the side wall of the limiting plate (37) is connected to a limiting electric push rod (38), the output end of the limiting electric push rod (38) passes through the limiting plate (37) and is connected to a friction plate (39), and the rotating end of the adjusting shaft (8) is connected to a friction block (40).

8. A communication device for a communication vehicle according to claim 1, characterized in that, Support plates (41) are connected to both the left and right sides of the mounting cover (10). Small linear motors (42) are connected to the side walls of both support plates (41). The output ends of the two small linear motors (42) are connected to vertical plates (43). A motor (44) is connected to the side wall of the vertical plate (43) on the left side. The output end of the motor (44) passes through the vertical plate (43) and is connected to an arc-shaped pipe (45). The pipe wall of the arc-shaped pipe (45) is connected to multiple nozzles (46). The side wall of the vertical plate (43) on the right side is connected to the arc-shaped pipe (45). A rotating pipe (47) is rotatably connected to an arc-shaped pipe (45). The end of the rotating pipe (47) away from the arc-shaped pipe (45) is rotatably connected to a metal pipe (48). The metal pipe (48) is connected to a bracket and a right vertical plate (43). An annular water tank (49) is connected to the upper side wall of the rotating platform (4). A water pump (50) is connected to the upper side wall of the annular water tank (49). A hose (26) is connected to the outlet end of the water pump (50). The upper end of the hose (26) is connected to the metal pipe (48).

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