Vehicle-mounted satellite communication antenna polarization electric adjusting device

Abstract

The utility model relates to the field of information communication, in particular to a vehicle-mounted satellite communication antenna polarization electric adjusting device which comprises a polarizer, a motor base, a servo motor and a transmission assembly. The transmission assembly comprises a polarization gear, a motor gear, a shell, a spring, a moving column, a mounting base, a tensioning gear, a gear chain and an adjusting component, the polarization gear is connected with the polarizer, the motor gear is arranged on the servo motor, the shell is connected with the motor base, the moving column is slidably connected with the shell, and the two ends of the spring abut against the moving column and the shell respectively; the mounting base is fixedly connected with the moving column, the tensioning gear is rotationally connected with the mounting base, the gear chain is rotationally connected with the polarization gear, the gear chain is driven to rotate through the work of the servo motor, then the polarization gear is driven to rotate, and the purpose of controlling the polarizer to rotate is achieved; and the moving column and the mounting seat are driven to move through the elasticity of the spring, so that the mounting seat can drive the tensioning gear to move, and the gear chain is tensioned by the tensioning gear.

Description

Technical Field

[0001] The utility model relates to the field of information communication, in particular to a polarization electric adjustment device for a vehicle-mounted satellite communication antenna. Background Art

[0002] The polarization direction of a satellite communication antenna refers to the direction of the electric field strength formed when the satellite communication antenna radiates. The traditional polarization adjustment method is to achieve polarization adjustment by manually or motor-driven rotating feed source and feed network. The geometric size and rotation envelope size of this polarization adjustment mechanism are relatively large, and the weight is also relatively heavy, which makes it difficult to achieve miniaturization and lightweight of the whole machine and difficult to adapt to harsh use environments.

[0003] Prior art CN105742815A discloses a satellite communication antenna polarization electric adjustment device, including a polarization regulator and a servo transmission device; the polarization regulator includes a polarizer, a polarization probe, a dielectric column, a probe shaft and a polarizer block; the servo transmission device includes a polarization adjustment motor, a motor bracket, a transmission pinion and a gear; the polarization adjustment motor and the transmission pinion are supported by the motor bracket, the transmission gear is meshed with the transmission pinion, the transmission gear is installed on the polarization regulator, and drives the probe shaft and the polarization probe in the polarizer to rotate; the dielectric column is a column made of polytetrafluoroethylene material, supports the polarization probe, and is fixed by the polarization shaft and the transmission gear; the polarization shaft is coaxially fixed with the dielectric column inside the polarizer.

[0004] The above device is transmitted by gear meshing. The structure is not tightly connected. In actual use, slippage often occurs, the failure rate is high, and the overall performance of the equipment is affected. Utility Model Content

[0005] The purpose of the utility model is to provide a vehicle-mounted satellite communication antenna polarization electric adjustment device, which solves the problem that an existing satellite communication antenna polarization electric adjustment device is transmitted by gear engagement, the structure is not tightly connected, and in actual use, slippage often occurs, the failure rate is high, and the overall performance of the equipment is affected.

[0006] To achieve the above-mentioned purpose, the utility model provides a vehicle-mounted satellite communication antenna polarization electric adjustment device, including a polarizer, a motor seat and a servo motor, wherein the motor seat is mounted on the polarizer, and the servo motor is mounted on the motor seat, and also includes a transmission assembly; the transmission assembly includes a polarization gear, a motor gear, a housing, a spring, a moving column, a mounting seat, a tensioning gear, a gear chain and an adjusting member, wherein the polarization gear is connected to the polarizer and arranged on the polarizer, the motor gear is arranged on the servo motor and connected to the output end of the servo motor, the housing is connected to the motor seat and is located on one side of the motor seat, the moving column is slidably connected to the housing and is arranged on the housing, the two ends of the spring are respectively abutted against the moving column and the housing, the spring is located inside the housing, the mounting seat is fixedly connected to the moving column and is located at one end of the moving column, the tensioning gear is rotatably connected to the mounting seat and is arranged on the mounting seat, the gear chain is rotatably connected to the polarization gear, rotatably connected to the motor gear, and rotatably connected to the tensioning gear.

[0007] Wherein, the motor seat has a positioning groove, which is arranged on the motor seat and located on a side of the motor seat close to the mounting seat, and the positioning groove cooperates with the mounting seat.

[0008] Wherein, the adjusting member includes a threaded rod, an adjusting plate and a driving member, the threaded rod is rotatably connected to the shell and is arranged on the shell; the adjusting plate is threadedly connected to the threaded rod, slidably connected to the shell, and abuts against the spring; the driving member is arranged on the shell.

[0009] Wherein, the adjustment plate has a limiting protrusion, which is arranged on the adjustment plate and located on one side of the adjustment plate; the shell has a limiting groove, which is arranged on the shell and located on one side of the shell close to the limiting protrusion, and the limiting groove cooperates with the limiting protrusion.

[0010] Wherein, the driving component includes a worm wheel and a worm, the worm wheel is fixedly connected to the threaded rod and is located at one end of the threaded rod; the worm is rotatably connected to the housing, meshes with the worm wheel, and is located inside the housing.

[0011] The utility model discloses a vehicle-mounted satellite communication antenna polarization electric adjustment device, which drives the gear chain to rotate through the operation of the servo motor, and then drives the polarization gear to rotate, thereby achieving the purpose of controlling the rotation of the polarizer; at the same time, the elasticity of the spring drives the movable column and the mounting seat to move, so that the mounting seat can drive the tensioning gear to move, so that the tensioning gear tensions the gear chain, avoids the gear chain from loosening or being too tight when rotating, and ensures good contact between the gear chain and the gear; finally, the elasticity of the spring is adjusted by the adjusting component, thereby adjusting the tensioning force; the application changes the original gear meshing structure of the product, solves the problem of slippage between gears, and effectively improves the reliability of the product. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art are briefly introduced below.

[0013] Figure 1 It is a schematic diagram of the overall structure of the vehicle-mounted satellite communication antenna polarization electric adjustment device of the first embodiment of the utility model.

[0014] Figure 2 It is a structural schematic diagram of the regulating component of the first embodiment of the utility model.

[0015] Figure 3 It is a structural schematic diagram of a driving component of the second embodiment of the utility model.

[0016] In the figure: 101-polarizer, 102-motor seat, 103-servo motor, 104-transmission assembly, 105-polarization gear, 106-motor gear, 107-housing, 108-spring, 109-moving column, 110-mounting seat, 111-tensioning gear, 112-gear chain, 113-adjusting member, 114-positioning groove, 115-threaded rod, 116-adjusting plate, 117-driving member, 118-limiting protrusion, 119-limiting groove, 201-worm wheel, 202-worm. DETAILED DESCRIPTION

[0017] Embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, but should not be understood as limiting the present invention.

[0018] First embodiment:

[0019] See also Figure 1 and Figure 2 ,in Figure 1This is the overall structural diagram of the vehicle-mounted satellite communication antenna polarization electric adjustment device. Figure 2 It is a structural diagram of the regulating component.

[0020] The utility model provides a vehicle-mounted satellite communication antenna polarization electric adjustment device, including a polarizer 101, a motor seat 102, a servo motor 103 and a transmission assembly 104, wherein the transmission assembly 104 includes a polarization gear 105, a motor gear 106, a housing 107, a spring 108, a moving column 109, a mounting seat 110, a tensioning gear 111, a gear chain 112 and an adjustment member 113, wherein the motor seat 102 has a positioning groove 114, and the adjustment member 113 includes a threaded rod 115, an adjustment plate 116 and a driving member 117. Component 117, the adjustment plate 116 has a limiting protrusion 118, and the shell 107 has a limiting groove 119. The transmission is performed through the gear chain 112 to avoid the gears slipping against each other. The gear chain 112 is tensioned by the tensioning gear 111 to improve the stability of the gear chain 112 during transmission. It can be understood that the above scheme can be used to avoid slipping caused by transmission in a gear meshing manner, and can also be used to solve the problem of adjusting the elastic force of the spring 108.

[0021] For this specific implementation, the motor base 102 is installed on the polarizer 101, and the servo motor 103 is installed on the motor base 102. The motor base 102 is used to install the servo motor 103, and the polarizer 101 is used to adjust the direction of the electric field strength. The polarizer 101 is a prior art, and its working principle will not be described in detail here.

[0022] The polarization gear 105 is connected to the polarizer 101 and is arranged on the polarizer 101. The motor gear 106 is arranged on the servo motor 103 and is connected to the output end of the servo motor 103. The housing 107 is connected to the motor base 102 and is located on one side of the motor base 102. The moving column 109 is slidably connected to the housing 107 and is arranged on the housing 107. The two ends of the spring 108 are respectively connected to the moving column 109 and the The housing 107 is abutted, the spring 108 is located inside the housing 107, the mounting seat 110 is fixedly connected to the moving column 109 and is located at one end of the moving column 109, the tensioning gear 111 is rotatably connected to the mounting seat 110 and is arranged on the mounting seat 110, the gear chain 112 is rotatably connected to the polarization gear 105, and is rotatably connected to the motor gear 106, and is rotatably connected to the tensioning gear 111; the gear chain 112 is respectively connected to the The motor gear 106, the polarization gear 105 and the tensioning gear 111 are meshed and sleeved on the outside of the motor gear 106, the polarization gear 105 and the tensioning gear; the gear chain 112 is driven to rotate by the operation of the servo motor 103, and then the polarization gear 105 is driven to rotate, so as to achieve the purpose of controlling the rotation of the polarizer 101; at the same time, the elasticity of the spring 108 drives the moving column 109 and the mounting seat 110 to move, so that the mounting seat 110 can drive the tensioning gear 111 to move, so that the tensioning gear 111 tensions the gear chain 112, and avoids the looseness or over-tightening of the gear chain 112 during rotation, so as to ensure good contact between the gear chain 112 and the gear; finally, the elasticity of the spring 108 is adjusted by the adjusting member 113, so as to adjust the tensioning force; the present application changes the original gear meshing structure of the product, solves the problem of slippage between gears, and effectively improves the reliability of the product.

[0023] Secondly, the positioning groove 114 is arranged on the motor base 102 and is located on the side of the motor base 102 close to the mounting base 110, and the positioning groove 114 cooperates with the mounting base 110; the movement of the mounting base 110 is limited by the positioning groove 114, and then the tensioning gear 111 is limited, so that the tensioning gear 111 can only move forward and backward, avoiding the deflection of the tensioning gear 111 and affecting the engagement with the gear chain 112.

[0024] At the same time, the threaded rod 115 is rotatably connected to the shell 107 and is arranged on the shell 107; the adjustment plate 116 is threadedly connected to the threaded rod 115, and is slidably connected to the shell 107, and abuts against the spring 108; the driving member 117 is arranged on the shell 107; the driving member 117 can drive the threaded rod 115 to rotate, and the threaded rod 115 is driven to rotate by the driving member 117, so that the threaded rod 115 drives the adjustment plate 116 to move, so that the adjustment plate 116 squeezes the spring 108, thereby adjusting the force applied by the spring 108 to the moving column 109, thereby achieving the purpose of adjusting the tensioning force.

[0025] In addition, the limiting protrusion 118 is arranged on the adjustment plate 116 and is located on one side of the adjustment plate 116; the limiting groove 119 is arranged on the shell 107 and is located on the side of the shell 107 close to the limiting protrusion 118, and the limiting groove 119 cooperates with the limiting protrusion 118, and the limiting protrusion 118 is limited by the limiting groove 119, and then the adjustment plate 116 is limited, so that the adjustment plate 116 can only move left and right in the shell 107, and the adjustment plate 116 is prevented from rotating.

[0026] When the vehicle-mounted satellite communication antenna polarization electric adjustment device of this embodiment is used, the servo motor 103 drives the motor gear 106 to rotate, thereby driving the gear chain 112 to rotate, and the gear chain 112 drives the polarization gear 105 to rotate, thereby controlling the angle rotation of the polarizer 101; at the same time, the spring 108 applies force to the moving column 109, so that the moving column 109 drives the mounting seat 110 and the tensioning gear 111 to move, so that the tensioning gear 111 tensions the gear chain 112, ensuring good contact between the gear chain 112 and the gear.

[0027] Second embodiment:

[0028] Based on the first embodiment, please refer to Figure 3 , Figure 3 2 is a schematic structural diagram of a driving component of the second embodiment. The driving component 117 of this embodiment includes a worm wheel 201 and a worm 202 .

[0029] According to this specific embodiment, the worm wheel 201 is fixedly connected to the threaded rod 115 and is located at one end of the threaded rod 115; the worm 202 is rotatably connected to the housing 107, meshes with the worm wheel 201, and is located inside the housing 107; the worm wheel 201 is driven to rotate by rotating the worm 202, so that the worm wheel 201 drives the threaded rod 115 to rotate, thereby achieving the purpose of driving the threaded rod 115 to rotate, and at the same time, through the self-locking property between the worm wheel 201 and the worm 202, the worm wheel 201 cannot drive the worm 202 to rotate, thereby improving the stability of the threaded rod 115.

[0030] What is disclosed above is only one or more preferred embodiments of the present application, and cannot be used to limit the scope of rights of the present application. Ordinary technicians in this field can understand that all or part of the processes of implementing the above embodiments and equivalent changes made according to the claims of the present application are still within the scope covered by the present application.

Claims

1. A vehicle-mounted satellite communication antenna polarization electric adjustment device, comprising a polarizer, a motor base and a servo motor, wherein the motor base is mounted on the polarizer, and the servo motor is mounted on the motor base, characterized in that: Also includes a transmission assembly; The transmission assembly includes a polarization gear, a motor gear, a housing, a spring, a moving column, a mounting seat, a tensioning gear, a gear chain and an adjusting member. The polarization gear is connected to the polarizer and is arranged on the polarizer. The motor gear is arranged on the servo motor and is connected to the output end of the servo motor. The housing is connected to the motor seat and is located on one side of the motor seat. The moving column is slidably connected to the housing and is arranged on the housing. The two ends of the spring are respectively abutted against the moving column and the housing. The spring is located inside the housing. The mounting seat is fixedly connected to the moving column and is located at one end of the moving column. The tensioning gear is rotatably connected to the mounting seat and is arranged on the mounting seat. The gear chain is rotatably connected to the polarization gear, rotatably connected to the motor gear, and rotatably connected to the tensioning gear.

2. The vehicle-mounted satellite communication antenna polarization electric adjustment device according to claim 1, characterized in that: The motor seat has a positioning groove, which is arranged on the motor seat and located on a side of the motor seat close to the mounting seat, and the positioning groove cooperates with the mounting seat.

3. The vehicle-mounted satellite communication antenna polarization electric adjustment device according to claim 1, characterized in that: The adjusting member includes a threaded rod, an adjusting plate and a driving member. The threaded rod is rotatably connected to the shell and is arranged on the shell; the adjusting plate is threadedly connected to the threaded rod, slidably connected to the shell, and abuts against the spring; the driving member is arranged on the shell.

4. The vehicle-mounted satellite communication antenna polarization electric adjustment device as claimed in claim 3, characterized in that: The adjustment plate has a limiting protrusion, which is arranged on the adjustment plate and located on one side of the adjustment plate; the shell has a limiting groove, which is arranged on the shell and located on one side of the shell close to the limiting protrusion, and the limiting groove cooperates with the limiting protrusion.

5. The vehicle-mounted satellite communication antenna polarization electric adjustment device as claimed in claim 3, characterized in that: The driving component comprises a worm wheel and a worm. The worm wheel is fixedly connected to the threaded rod and is located at one end of the threaded rod. The worm is rotationally connected to the housing and meshes with the worm wheel and is located inside the housing.

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