WO2022226691A1 - 一种天线传动装置及天线 - Google Patents

一种天线传动装置及天线 Download PDF

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Publication number
WO2022226691A1
WO2022226691A1 PCT/CN2021/089631 CN2021089631W WO2022226691A1 WO 2022226691 A1 WO2022226691 A1 WO 2022226691A1 CN 2021089631 W CN2021089631 W CN 2021089631W WO 2022226691 A1 WO2022226691 A1 WO 2022226691A1
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WIPO (PCT)
Prior art keywords
transmission
gear
antenna
drive shaft
module
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Application number
PCT/CN2021/089631
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English (en)
French (fr)
Inventor
洪涛
郭亚军
周凌波
徐存伟
Original Assignee
摩比天线技术（深圳）有限公司
摩比科技（深圳）有限公司
摩比通讯技术（吉安）有限公司
摩比科技(西安)有限公司
深圳市晟煜智慧网络科技有限公司
西安摩比天线技术工程有限公司
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Application filed by 摩比天线技术（深圳）有限公司, 摩比科技（深圳）有限公司, 摩比通讯技术（吉安）有限公司, 摩比科技(西安)有限公司, 深圳市晟煜智慧网络科技有限公司, 西安摩比天线技术工程有限公司 filed Critical 摩比天线技术（深圳）有限公司
Priority to PCT/CN2021/089631 priority Critical patent/WO2022226691A1/zh
Publication of WO2022226691A1 publication Critical patent/WO2022226691A1/zh

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q3/00—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
    • H01Q3/26—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture
    • H01Q3/30—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture varying the relative phase between the radiating elements of an array
    • H01Q3/32—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture varying the relative phase between the radiating elements of an array by mechanical means

Definitions

  • the invention belongs to the technical field of mobile communication base station antennas, and in particular relates to an antenna transmission device and an antenna.
  • the protrusion pushes the meshing form.
  • This method pushes the gear to mesh with different gears through the movement or rotation of the protrusion on the rack or disc. shaft, but this method contains elastic parts, which affects intermodulation, low transmission efficiency, and complicated structure;
  • 2 gear rotation meshing form this method meshes with the gears on different shafts through the revolution of the gears on the turntable, and this method takes up more thickness and space.
  • Large, low precision; 3-axis sliding meshing form this method meshes with different shafts through the front and rear movement of the main shaft gear, this method takes up a lot of length and space.
  • the technical problem to be solved by the embodiments of the present invention is to provide an antenna driving device and an antenna, which aim to greatly reduce the size of the antenna driving device in the direction of length and thickness, thereby reducing the volume of the antenna driving device, simplifying the structure, and reducing the cost.
  • an antenna transmission device includes an axis selection module, a transmission module, an axis selection drive shaft and a travel drive shaft;
  • the axis selection module includes a rack, a synchronous gear, and a synchronous belt, the synchronous gear is mounted on the rack, and the travel drive shaft is connected to the synchronous gear through the synchronous belt;
  • the transmission module includes a plurality of transmission assemblies arranged in a row, each of the transmission assemblies includes a transmission screw, a transmission gear and a transmission nut, the transmission gear is arranged at the end of the transmission screw, and the transmission nut is screwed on the end of the transmission screw.
  • the transmission nut is connected with a phase shifter, and the axis selection drive shaft drives the rack to move so as to drive the synchronizing gear to mesh with the transmission gear of any of the transmission components.
  • the antenna transmission device further includes an axle selection box, and the axle selection box has an accommodating space, and the axle selection module and the transmission gear are accommodated in the accommodating space.
  • the side wall of the axle selection box is provided with a through hole for accommodating the axle selection drive shaft, the stroke drive shaft and the transmission screw rod to pass through.
  • the bottom of the rack is provided with a roller.
  • the transmission module further includes a support seat disposed on the side of the transmission screw rod away from the axle selection box, the transmission screw rod passes through the support seat, the transmission module further includes a guide rod, the One end of the guide rod is fixed on the side wall of the axle selection box, the other end of the guide rod is fixed on the support seat, and the bottom of the transmission nut is sleeved on the guide rod.
  • a pull rod is connected to the transmission nut, the pull rod is used for pulling the phase shifter, and a pull rod limit hole for limiting the position of the pull rod is provided on the top of the axle selection box.
  • the antenna transmission device further includes an electric control module, and the axis selection drive shaft and the travel drive shaft are connected to the output end of the electric control module.
  • an antenna including the antenna transmission device described in any one of the above.
  • the embodiment of the present invention has the beneficial effect that: the present invention drives the rack to translate through the shaft selection drive shaft, thereby driving the synchronizing gear to mesh with the transmission gear of any transmission component, completing the shaft selection, and then driving the stroke drive shaft
  • the rotation of the synchronous belt drives the synchronous gear and then drives the transmission gear meshed with the synchronous gear to rotate, the transmission gear drives the transmission screw to rotate, and the rotational movement of the transmission screw is converted into the linear motion of the transmission nut, and then the phase shifter can be pulled;
  • axis selection other axes will not be affected, and since multiple transmission components are arranged in a row, the size of the antenna transmission device in the length and thickness directions can be greatly reduced, thereby reducing the volume of the antenna transmission device and simplifying the structure. cut costs.
  • FIG. 1 is a schematic diagram of the overall structure of an antenna transmission device provided by an embodiment of the present invention.
  • FIG. 2 is a schematic diagram of a split structure of an antenna transmission device provided by an embodiment of the present invention.
  • FIG. 3 is a partial structural schematic diagram of an antenna transmission device provided by an embodiment of the present invention.
  • FIG. 4 is a schematic structural diagram of the axis selection module in FIG. 1 .
  • axle selection box 10, axle selection box; 11, tie rod limit hole; 20, axle selection module; 30, transmission module; 40, axle selection drive shaft; 50, stroke drive shaft; 21, synchronous gear; 22, synchronous belt; 23, tooth bar; 24, roller; 31, drive gear; 32, drive screw; 33, drive nut; 34, support seat; 35, guide rod; 61, first tensioning wheel; 62, second tensioning wheel.
  • an antenna transmission device provided by an embodiment of the present invention includes an axis selection module 20 , a transmission module 30 , an axis selection drive shaft 40 and a stroke drive shaft 50 , and the axis selection module 20 includes a rack 23.
  • the synchronous gear 21 and the synchronous belt 22, the synchronous gear 21 is installed on the rack 23, and the travel drive shaft 50 is connected to the synchronous gear 21 through the synchronous belt 22.
  • the transmission module 30 includes a plurality of transmission assemblies arranged in rows, each transmission assembly includes a transmission screw 32, a transmission gear 31 and a transmission nut 33, the transmission gear 31 is arranged at the end of the transmission screw 32, and the transmission nut 33 is screwed on the transmission screw 32. , the transmission nut 33 is connected with a phase shifter, and the axis selection drive shaft 40 drives the rack 23 to move so as to drive the synchronizing gear 21 to mesh with the transmission gear 31 of any transmission assembly.
  • the axis-selecting drive shaft 40 drives the rack 23 to translate, thereby driving the synchronizing gear 21 to mesh with the transmission gear 31 of any transmission component to complete axis selection, and then the travel drive shaft 50 drives the synchronous belt 22 to rotate, driving the synchronizing gear 21
  • the transmission gear 31 meshing with the synchronizing gear 21 is driven to rotate, the transmission gear 31 drives the transmission screw 32 to rotate, and the rotational movement of the transmission screw 32 is converted into the linear movement of the transmission nut 33, thereby realizing the pulling of the phase shifter.
  • the transmission screws 32 of each transmission assembly are arranged in a tiled manner, that is, the two ends of the plurality of transmission screws 32 are respectively arranged in a row. Alignment, the heights of the plurality of driving screws 32 are also the same, which can greatly reduce the size of the antenna driving device in the direction of length and thickness, thereby reducing the volume of the antenna driving device, simplifying the structure, and reducing the cost.
  • the antenna transmission device also includes an electronic control module, the axis selection drive shaft 40 is connected with the stroke drive shaft 50 and the output end of the electronic control module, and the rotation timing of the axis selection drive shaft 40 and the stroke drive shaft 50 is controllable Yes, the shaft selection drive shaft 40 and the stroke drive shaft 50 will not rotate together.
  • the other shaft is in a locked state.
  • the travel drive shaft 50 is in a locked state at this time, and the synchronous belt 22 does not rotate, so as to achieve the purpose of meshing the synchronous gear 21 with the transmission gear 31 through rotation, preventing it from being bitten or pushed Transmission gear 31 .
  • the antenna transmission device further includes an axle selection box 10, and the axle selection box 10 has an accommodating space.
  • the axle selection module 20 and the transmission gear 31 are accommodated in the accommodation space, and the axle selection module 20 and the transmission gear 31 can be assembled together. to a certain degree of protection.
  • the side wall of the axle selection box 10 is provided with a through hole through which the selection axle drive shaft 40 , the stroke drive shaft 50 and the transmission screw 32 pass through, so as not to affect the axis selection drive shaft 40 , the stroke drive shaft 50 and the transmission screw 32 . normal work.
  • the drive nut 33 in this embodiment is connected with a pull rod, the pull rod is used to pull the phase shifter, and the top of the axle selection box 10 is provided with a pull rod limit hole 11 for limiting the pull rod.
  • the two synchronizing gears 21 are installed on both sides of the rack 23 .
  • the bottom of the rack 23 is also provided with a roller 24, so as to facilitate the translation of the axis selection module 20 and reduce friction.
  • the front end of the axis selection drive shaft 40 is provided with a gear, and the gear at the front end of the axis selection drive shaft 40 meshes with the rack 23 , so that when the axis selection drive shaft 40 rotates, the rack 23 can be driven to move.
  • the front end of the stroke drive shaft 50 is also provided with a gear
  • the side of the timing belt 22 in contact with the stroke drive shaft 50 is provided with a tooth structure
  • the tooth structure of the timing belt 22 meshes with the gear at the front end of the stroke drive shaft 50
  • the timing belt 22 is connected between the two synchronizing gears 21 , so that the travel drive shaft 50 can be drive-connected with the synchronizing gear 21 through the synchronizing belt 22 to drive the synchronizing gear 21 to rotate.
  • the two sides of the travel drive shaft 50 are respectively provided with a first tensioning wheel 61 and a second tensioning wheel 62.
  • the size of the first tensioning wheel 61 is larger than that of the second tensioning wheel 62.
  • the two tensioning pulleys 62 are in contact with the timing belt 22 , and the first tensioning pulley 61 and the second tensioning pulley 62 are used to adjust the tension of the timing belt 22 .
  • the transmission module 30 further includes a support base 34 disposed on the side of the transmission screw 32 away from the axle selector box 10, the transmission screw 32 passes through the support base 34, and the transmission module 30 further includes a guide rod 35, one end of the guide rod 35 is fixed on the On the side wall of the axle selection box 10 , the other end of the guide rod 35 is fixed on the support base 34 , the bottom of the drive nut 33 is sleeved on the guide rod 35 , and the guide rod 35 can guide the movement of the drive nut 33 .
  • An embodiment of the present invention further provides an antenna, including the antenna transmission device described in the above technical solution.
  • the present invention drives the rack 23 to translate through the axis selection drive shaft 40, thereby driving the synchronizing gear 21 to mesh with the transmission gear 31 of any transmission component to complete the axis selection, and then the travel drive shaft 50 drives the synchronous belt 22 to rotate, Drive the synchronous gear 21 and then drive the transmission gear 31 meshing with the synchronous gear 21 to rotate, the transmission gear 31 drives the transmission screw 32 to rotate, the rotational movement of the transmission screw 32 is converted into the linear movement of the transmission nut 33, and then the phase shifter can be pulled;
  • the above method will not affect other axes during the axis selection process, and since multiple transmission components are arranged in a row, the size of the antenna transmission device in the length and thickness directions can be greatly reduced, thereby reducing the volume of the antenna transmission device. Simplify the structure and reduce the cost. .

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Abstract

本发明实施例适用于移动通信基站天线技术领域，包括选轴模块、传动模块、选轴驱动轴以及行程驱动轴；选轴模块包括齿条、同步齿轮、同步带，同步齿轮安装在齿条上，行程驱动轴通过同步带与同步齿轮传动连接；传动模块包括成排设置的多个传动组件，每一传动组件包括传动螺杆、传动齿轮以及传动螺母，传动齿轮设置在传动螺杆末端，传动螺母螺接在传动螺杆上，传动螺母上连接有移相器，选轴驱动轴驱动齿条移动从而带动同步齿轮与任一传动组件的传动齿轮啮合。本发明在选轴过程中不会影响其他轴，并且可减小天线传动装置的体积，简化结构，降低成本。

Description

一种天线传动装置及天线 技术领域
本发明属于移动通信基站天线技术领域，尤其涉及一种天线传动装置及天线。
 背景技术
现有的多频电调天线选轴的方式中，常见的有以下几种：1 凸起推动啮合形式，此方式通过齿条或圆盘上的凸起的移动或转动，推动齿轮啮合不同的轴，但此方式含有弹性部件，影响互调，传动效率低，结构较繁琐；2 齿轮旋转啮合形式，此方式通过转盘上齿轮的公转与不同轴上的齿轮啮合，此方式占用厚度空间较大，精度较低；3 轴杆滑动啮合形式，此方式通过主轴齿轮的前后窜动，与不同的轴啮合，此方式占用长度空间很大。
 技术问题
本发明实施例所要解决的技术问题在于提供一种天线传动装置及天线，旨在大幅减小天线传动装置在长度和厚度方向上的尺寸，从而可减小天线传动装置的体积，简化结构，降低成本。
 技术解决方案
本发明实施例是这样实现的，一种天线传动装置，包括选轴模块、传动模块、选轴驱动轴以及行程驱动轴；
所述选轴模块包括齿条、同步齿轮、同步带，所述同步齿轮安装在所述齿条上，所述行程驱动轴通过所述同步带与所述同步齿轮传动连接；
所述传动模块包括成排设置的多个传动组件，每一所述传动组件包括传动螺杆、传动齿轮以及传动螺母，所述传动齿轮设置在所述传动螺杆末端，所述传动螺母螺接在所述传动螺杆上，所述传动螺母上连接有移相器，所述选轴驱动轴驱动所述齿条移动从而带动所述同步齿轮与任一所述传动组件的传动齿轮啮合。
进一步地，所述天线传动装置还包括选轴箱，所述选轴箱内具有容置空间，所述选轴模块以及所述传动齿轮容置在所述容置空间内。
进一步地，所述选轴箱的侧壁开设有容所述选轴驱动轴、所述行程驱动轴以及所述传动螺杆穿过的通孔。
进一步地，所述同步齿轮具有两个，两个所述同步齿轮安装在所述齿条两侧。
进一步地，所述齿条的底部设置有滚轮。
进一步地，所述传动模块还包括设置在所述传动螺杆的远离所述选轴箱一侧的支撑座，所述传动螺杆穿过所述支撑座，所述传动模块还包括导向杆，所述导向杆一端固定在所述选轴箱侧壁上，所述导向杆另一端固定在所述支撑座上，所述传动螺母的底部套接在所述导向杆上。
进一步地，所述传动螺母上连接有拉杆，所述拉杆用于拉动所述移相器，所述选轴箱的顶部设置有用于对所述拉杆进行限位的拉杆限位孔。
进一步地，所述天线传动装置还包括电控模块，所述选轴驱动轴以和所述行程驱动轴与所述电控模块的输出端连接。
进一步地，提供一种天线，包括如上任意一项所述的天线传动装置。
 有益效果
本发明实施例与现有技术相比，有益效果在于：本发明通过选轴驱动轴驱动齿条平移，从而带动同步齿轮与任一传动组件的传动齿轮啮合，完成选轴，接着行程驱动轴驱动同步带转动，带动同步齿轮进而带动与同步齿轮啮合的传动齿轮旋转，传动齿轮带动传动螺杆旋转，传动螺杆的旋转运动转化为传动螺母的直线运动，进而可实现拉动移相器；通过上述方式，在选轴过程中不会影响其他轴，并且由于多个传动组件成排设置，可大幅减小天线传动装置在长度和厚度方向上的尺寸，从而可减小天线传动装置的体积，简化结构，降低成本。
 附图说明
图1是本发明实施例提供的天线传动装置的整体结构示意图；
图2是本发明实施例提供的天线传动装置的分体结构示意图；
图3是本发明实施例提供的天线传动装置的部分结构示意图；
图4是图1中的选轴模块的结构示意图。
在附图中，各附图标记表示：
10、选轴箱；11、拉杆限位孔；20、选轴模块；30、传动模块；40、选轴驱动轴；50、行程驱动轴；21、同步齿轮；22、同步带；23、齿条；24、滚轮；31、传动齿轮；32、传动螺杆；33、传动螺母；34、支撑座；35、导向杆；61、第一张紧轮；62、第二张紧轮。
 本发明的实施方式
为了使本发明的目的、技术方案及优点更加清楚明白，以下结合附图及实施例，对本发明进行进一步详细说明。应当理解，此处所描述的具体实施例仅仅用以解释本发明，并不用于限定本发明。
如图1至图4所示，是本发明实施例提供的一种天线传动装置，包括选轴模块20、传动模块30、选轴驱动轴40以及行程驱动轴50，选轴模块20包括齿条23、同步齿轮21、同步带22，同步齿轮21安装在齿条23上，行程驱动轴50通过同步带22与同步齿轮21传动连接。
传动模块30包括成排设置的多个传动组件，每一传动组件包括传动螺杆32、传动齿轮31以及传动螺母33，传动齿轮31设置在传动螺杆32末端，传动螺母33螺接在传动螺杆32上，传动螺母33上连接有移相器，选轴驱动轴40驱动齿条23移动从而带动同步齿轮21与任一传动组件的传动齿轮31啮合。
选轴时，选轴驱动轴40驱动齿条23平移，从而带动同步齿轮21与任一传动组件的传动齿轮31啮合，完成选轴，接着行程驱动轴50驱动同步带22转动，带动同步齿轮21进而带动与同步齿轮21啮合的传动齿轮31旋转，传动齿轮31带动传动螺杆32旋转，传动螺杆32的旋转运动转化为传动螺母33的直线运动，进而可实现拉动移相器。通过上述方式，在选轴过程中不会影响其他轴，并且由于多个传动组件成排设置，每一传动组件的传动螺杆32呈平铺方式排布，即多个传动螺杆32的两端分别对齐，多个传动螺杆32的高度也一致，可大幅减小天线传动装置在长度和厚度方向上的尺寸，从而可减小天线传动装置的体积，简化结构，降低成本。
需要说明的是，天线传动装置还包括电控模块，选轴驱动轴40以和行程驱动轴50与电控模块的输出端连接，选轴驱动轴40和行程驱动轴50的转动时机是可控的，选轴驱动轴40以和行程驱动轴50不会一起转动，当其中一个轴为可旋转状态时，另外一个轴则为锁死状态。比如，当选轴驱动驱动选轴模块20平移时，此时行程驱动轴50处于锁死状态，同步带22不转动，以达到同步齿轮21通过自转与传动齿轮31啮合的目的，防止咬死或推动传动齿轮31。
优选的，天线传动装置还包括选轴箱10，选轴箱10内具有容置空间，选轴模块20以及传动齿轮31容置在容置空间内，可对选轴模块20和传动齿轮31起到一定的防护作用。另外，选轴箱10的侧壁开设有容选轴驱动轴40、行程驱动轴50以及传动螺杆32穿过的通孔，从而不影响选轴驱动轴40、行程驱动轴50以及传动螺杆32的正常工作。本实施例的传动螺母33上连接有拉杆，拉杆用于拉动移相器，选轴箱10的顶部设置有用于对拉杆进行限位的拉杆限位孔11。
另外，同步齿轮21具有两个，两个同步齿轮21安装在齿条23两侧。齿条23的底部还设置有滚轮24，从而方便选轴模块20平移，减小摩擦。选轴驱动轴40的前端设置有齿轮，选轴驱动轴40前端的齿轮与齿条23啮合，从而当选轴驱动轴40转动时，可带动齿条23移动。行程驱动轴50的前端也设置有齿轮，同步带22与行程驱动轴50接触的一侧设置有齿牙结构，同步带22的齿牙结构与行程驱动轴50前端的齿轮相互啮合，并且同步带22连接在两个同步齿轮21之间，从而行程驱动轴50可通过同步带22与同步齿轮21传动连接，带动同步齿轮21转动。行程驱动轴50的两侧分别设置有第一张紧轮61和第二张紧轮62，第一张紧轮61的尺寸大于第二张紧轮62的尺寸，第一张紧轮61和第二张紧轮62与同步带22接触，第一张紧轮61和第二张紧轮62用于调整同步带22的张力。
进一步地，传动模块30还包括设置在传动螺杆32的远离选轴箱10一侧的支撑座34，传动螺杆32穿过支撑座34，传动模块30还包括导向杆35，导向杆35一端固定在选轴箱10侧壁上，导向杆35另一端固定在支撑座34上，传动螺母33的底部套接在导向杆35上，导向杆35可对传动螺母33的移动起导向作用。
本发明实施例还提供一种天线，包括如上技术方案所述的天线传动装置。
综上所述，本发明通过选轴驱动轴40驱动齿条23平移，从而带动同步齿轮21与任一传动组件的传动齿轮31啮合，完成选轴，接着行程驱动轴50驱动同步带22转动，带动同步齿轮21进而带动与同步齿轮21啮合的传动齿轮31旋转，传动齿轮31带动传动螺杆32旋转，传动螺杆32的旋转运动转化为传动螺母33的直线运动，进而可实现拉动移相器；通过上述方式，在选轴过程中不会影响其他轴，并且由于多个传动组件成排设置，可大幅减小天线传动装置在长度和厚度方向上的尺寸，从而可减小天线传动装置的体积，简化结构，降低成本。。
以上所述仅为本发明的较佳实施例而已，并不用以限制本发明，凡在本发明的精神和原则之内所作的任何修改、等同替换和改进等，均应包含在本发明的保护范围之内。

Claims (9)

  1. 一种天线传动装置，其特征在于，包括选轴模块(20)、传动模块(30)、选轴驱动轴(40)以及行程驱动轴(50)；
    所述选轴模块(20)包括齿条(23)、同步齿轮(21)、同步带(22)，所述同步齿轮(21)安装在所述齿条(23)上，所述行程驱动轴(50)通过所述同步带(22)与所述同步齿轮(21)传动连接；
    所述传动模块(30)包括成排设置的多个传动组件，每一所述传动组件包括传动螺杆(32)、传动齿轮(31)以及传动螺母(33)，所述传动齿轮(31)设置在所述传动螺杆(32)末端，所述传动螺母(33)螺接在所述传动螺杆(32)上，所述传动螺母(33)上连接有移相器，所述选轴驱动轴(40)驱动所述齿条(23)移动从而带动所述同步齿轮(21)与任一所述传动组件的传动齿轮(31)啮合。
  2. 如权利要求1所述的天线传动装置，其特征在于，所述天线传动装置还包括选轴箱(10)，所述选轴箱(10)内具有容置空间，所述选轴模块(20)以及所述传动齿轮(31)容置在所述容置空间内。
  3. 如权利要求2所述的天线传动装置，其特征在于，所述选轴箱(10)的侧壁开设有容所述选轴驱动轴(40)、所述行程驱动轴(50)以及所述传动螺杆(32)穿过的通孔。
  4. 如权利要求1所述的天线传动装置，其特征在于，所述同步齿轮(21)具有两个，两个所述同步齿轮(21)安装在所述齿条(23)两侧。
  5. 如权利要求4所述的天线传动装置，其特征在于，所述齿条(23)的底部设置有滚轮(24)。
  6. 如权利要求3所述的天线传动装置，其特征在于，所述传动模块(30)还包括设置在所述传动螺杆(32)的远离所述选轴箱(10)一侧的支撑座(34)，所述传动螺杆(32)穿过所述支撑座(34)，所述传动模块(30)还包括导向杆(35)，所述导向杆(35)一端固定在所述选轴箱(10)侧壁上，所述导向杆(35)另一端固定在所述支撑座(34)上，所述传动螺母(33)的底部套接在所述导向杆(35)上。
  7. 如权利要求6所述的天线传动装置，其特征在于，所述传动螺母(33)上连接有拉杆，所述拉杆用于拉动所述移相器，所述选轴箱(10)的顶部设置有用于对所述拉杆进行限位的拉杆限位孔(11)。
  8. 如权利要求1所述的天线传动装置，其特征在于，所述天线传动装置还包括电控模块，所述选轴驱动轴(40)以和所述行程驱动轴(50)与所述电控模块的输出端连接。
  9. 一种天线，其特征在于，包括如权利要求1-8中任意一项所述的天线传动装置。
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