CN114465005A - An electric downtilt angle adjustment device and base station antenna - Google Patents
An electric downtilt angle adjustment device and base station antennaDownload PDFInfo
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- CN114465005A CN114465005ACN202210296874.0ACN202210296874ACN114465005ACN 114465005 ACN114465005 ACN 114465005ACN 202210296874 ACN202210296874 ACN 202210296874ACN 114465005 ACN114465005 ACN 114465005A
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- 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
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/12—Supports; Mounting means
- H01Q1/125—Means for positioning
- H01Q1/1264—Adjusting different parts or elements of an aerial unit
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/12—Supports; Mounting means
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/12—Supports; Mounting means
- H01Q1/20—Resilient mountings
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/12—Supports; Mounting means
- H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
- H01Q1/24—Supports; Mounting means by structural association with other equipment or articles with receiving set
- H01Q1/241—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM
- H01Q1/246—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM specially adapted for base stations
- 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
- H01Q3/34—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 electrical means
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Abstract
Description
Translated fromChinese技术领域technical field
本发明涉及天线技术领域，特别涉及一种电下倾角调整装置及基站天线。The present invention relates to the technical field of antennas, and in particular, to an electrical downtilt angle adjustment device and a base station antenna.
背景技术Background technique
基站天线在工作时通常需要相对于水平线向下倾斜一定的角度，此倾角的大小可改变天线的辐射范围。目前，天线下倾角的调节主要由机械下倾角和电下倾角两种方式，电下倾角可通过远程电调控制，成本低，因此得到越来越广泛的应用。The base station antenna usually needs to be inclined downward with a certain angle relative to the horizontal line during operation, and the size of the inclination angle can change the radiation range of the antenna. At present, the adjustment of the downtilt angle of the antenna mainly includes two methods: mechanical downtilt angle and electrical downtilt angle.
随着移动通信终端用户数量在的不断增加，往往要求同根天线需要有更多数量的通信频段，而每个通信频段的电下倾角均需独立控制，通过驱动其对应的移相器传动机构实现电下倾角的改变。传统的传动装置中，通常采用一个驱动电机对应一个移相器传动机构，此种方式由于控制电路与电机的数量多，势必造成成本高，结构复杂，空间占用大和可靠性低等问题。With the continuous increase in the number of mobile communication terminal users, it is often required that the same antenna needs to have a larger number of communication frequency bands, and the electrical downtilt angle of each communication frequency band needs to be independently controlled, which is realized by driving its corresponding phase shifter transmission mechanism. Changes in electrical downtilt. In the traditional transmission device, one drive motor is usually used for one phase shifter transmission mechanism. Due to the large number of control circuits and motors, this method will inevitably cause problems such as high cost, complex structure, large space occupation and low reliability.
发明内容SUMMARY OF THE INVENTION
本发明的目的在于提供一种结构简单、制造方便，成本低，重量轻，尺寸小质量可靠的天线电下倾角调整装置即应用该天线电下倾角调整装置的基站天线。The purpose of the present invention is to provide a simple structure, convenient manufacture, low cost, light weight, small size and reliable quality of the antenna electrical downtilt angle adjusting device, namely the base station antenna using the antenna electrical downtilt angle adjusting device.
为实现本发明的目的，采用以下技术方案：For realizing the purpose of the present invention, adopt following technical scheme:
本发明第一方面提出一种电下倾角调整装置，所述电下倾角调整装置包括选位传动组件和移相组件，所述选位传动组件包括支撑架、移动切换机构、传动齿轮、第二导轴；所述支撑架上安装有第二导轴，所述第二导轴上间隔安装有若干个传动介轮，所述传动齿轮用于带动传动介轮转动，所述支撑架上安装有移动切换机构，所述移动切换机构用于带动传动齿轮在若干个传动介轮中移动切换；所述移动切换机构上设置有驱动件，所述驱动件用于带动传动齿轮转动；A first aspect of the present invention provides an electric downtilt angle adjustment device, the electric downtilt angle adjustment device includes a position selection transmission assembly and a phase shift assembly, and the position selection transmission assembly includes a support frame, a movement switching mechanism, a transmission gear, a second A guide shaft; a second guide shaft is installed on the support frame, a number of transmission intermediate wheels are installed on the second guide shaft at intervals, and the transmission gear is used to drive the transmission intermediate wheel to rotate, and the support frame is installed with a moving switching mechanism, the moving switching mechanism is used to drive the transmission gear to move and switch among the plurality of transmission intermediate wheels; the moving switching mechanism is provided with a driving member, and the driving member is used to drive the transmission gear to rotate;
所述移相组件包括若干个从动件，若干个传动介轮分别与若干个从动件一一对应传动连接，若干个从动件分别用于与相应的移相器进行连接用于实现对移相器倾角的调节。The phase-shifting assembly includes a number of follower parts, and a number of transmission intermediate wheels are respectively connected with a number of follower parts in a one-to-one correspondence, and the several follower parts are respectively used for connecting with the corresponding phase shifter for realizing the pairing. Adjustment of the inclination of the phaser.
进一步的改进在于，所述移动切换机构包括传动轴和选位齿条，所述选位齿条两端分别设置有选位固定孔，两端的选位固定孔分别安装有传动齿轮，所述传动轴穿过选位固定孔和传动齿轮的孔并且两端分别与支撑架连接，所述选位齿条上设置有选位输入齿轮，所述选位输入齿轮的转动可带动选位齿条和传动齿轮沿传动轴的轴方向滑动。A further improvement lies in that the movement switching mechanism includes a transmission shaft and a position selection rack, the position selection fixing holes are respectively provided at both ends of the position selection rack, and the transmission gears are respectively installed in the position selection fixing holes at both ends. The shaft passes through the position selection fixing hole and the hole of the transmission gear, and the two ends are respectively connected with the support frame. The position selection rack is provided with a position selection input gear, and the rotation of the position selection input gear can drive the position selection rack and The transmission gear slides along the axial direction of the transmission shaft.
进一步的改进在于，所述传动齿轮上设置有圆轴弹臂，所述圆轴弹臂可在选位齿条的选位固定孔内旋转，并且传动齿轮的端部设置有倒扣，所述倒扣卡扣于选位固定孔上。A further improvement is that the transmission gear is provided with a circular shaft elastic arm, the circular shaft elastic arm can rotate in the selection fixing hole of the selection rack, and the end of the transmission gear is provided with an undercut, the The inverted buckle is buckled on the fixing hole of the position selection.
进一步的改进在于，所述驱动件包括传动输入锥齿轮和第一锥齿轮，所述第一锥齿轮套接在传动轴上，所述第一锥齿轮的转动可带动传动轴和传动齿轮同步转动，所述传动输入锥齿轮的转动可带动第一锥齿轮转动。A further improvement is that the driving member includes a transmission input bevel gear and a first bevel gear, the first bevel gear is sleeved on the transmission shaft, and the rotation of the first bevel gear can drive the transmission shaft and the transmission gear to rotate synchronously. , the rotation of the transmission input bevel gear can drive the first bevel gear to rotate.
进一步的改进在于，所述第二导轴上设置有若干个卡槽，所述传动介轮的止退面上设置有卡环，所述第二导轴依次一一穿过若干个传动介轮的孔后，再用卡环卡扣于第二导轴上对应的卡槽内。A further improvement is that the second guide shaft is provided with a number of snap grooves, the back-stop surface of the transmission intermediate wheel is provided with a snap ring, and the second guide shaft passes through several transmission intermediate wheels one by one. After the hole is formed, the snap ring is then snapped into the corresponding snap slot on the second guide shaft.
进一步的改进在于，所述移相组件包括位于选位传动组件一侧的固定座，所述从动件包括内螺纹条和外螺纹柱，所述内螺纹条安装于固定座的导槽内，所述外螺纹柱置于内螺纹条的下方，所述传动介轮的转动可带动外螺纹柱转动，所述外螺纹柱的转动可带动内螺纹条在导槽内滑动。A further improvement is that the phase-shifting assembly includes a fixed seat located on one side of the position-selecting transmission assembly, the driven member includes an internal thread strip and an external thread post, and the internal thread strip is installed in the guide groove of the fixed base, The external thread post is placed below the internal thread strip, the rotation of the transmission intermediate wheel can drive the external thread post to rotate, and the rotation of the external thread post can drive the internal thread strip to slide in the guide groove.
进一步的改进在于，所述从动件还包括第三锥齿轮，所述传动介轮上设置有第二锥齿轮，所述第二锥齿轮与相应的第三锥齿轮啮合连接，所述第三锥齿轮依次穿过固定座的第一圆孔、外螺纹柱的通孔和固定座的第二圆孔，并且第三锥齿轮与外螺纹柱之间为可传动连接，所述第三锥齿轮可在固定座的第一圆孔和第二圆孔内转动。A further improvement is that the driven member further includes a third bevel gear, the transmission intermediate wheel is provided with a second bevel gear, the second bevel gear is meshed with the corresponding third bevel gear, and the third bevel gear is meshed with the third bevel gear. The bevel gear passes through the first circular hole of the fixed seat, the through hole of the external thread column and the second circular hole of the fixed seat in sequence, and the third bevel gear and the external thread column are in a driveable connection, the third bevel gear It can be rotated in the first round hole and the second round hole of the fixed seat.
进一步的改进在于，所述第三锥齿轮与固定座的第一圆孔之间设置有阻尼圈。A further improvement is that a damping ring is arranged between the third bevel gear and the first round hole of the fixing seat.
进一步的改进在于，所述第三锥齿后部设置有一弹扣，所述弹扣卡扣于固定座的第二圆孔端面上，用于防止第三锥齿轮从固定座松脱出来。A further improvement is that a spring buckle is provided at the rear of the third bevel gear, and the spring buckle is buckled on the end face of the second round hole of the fixing seat to prevent the third bevel gear from loosening from the fixing seat.
本发明第二方面提出一种基站天线，所述基站天线包括如第一方面中任意一项所述的一种电下倾角调整装置。A second aspect of the present invention provides a base station antenna, where the base station antenna includes the electrical downtilt angle adjustment device according to any one of the first aspects.
本发明的有益效果：Beneficial effects of the present invention:
本发明由于传动轴分别穿过传动齿轮和第一锥齿轮的孔，并且传动轴与第一锥齿轮和传动齿轮的孔均采用花键连接的方式，故传动输入锥齿轮的转动可带动第一锥齿轮的转动，从而带动传动轴和传动齿轮的同步转动。传动齿轮的转动可带动与其相啮合的某一路传动介轮的转动。由于传动介轮的第二锥齿轮与第三锥齿轮啮合连接，并在卡环的作用下，传动介轮沿第二导轴的轴方向已被固定，只可沿第二导轴的轴心进行旋转，而传动介轮的旋转，可带动第三锥齿轮的旋转，从而带动内螺纹条在导槽内的前后移动，内螺纹条端部可与相应的移相器进行连接，从而实现移相器倾角的调节。In the present invention, since the transmission shaft passes through the holes of the transmission gear and the first bevel gear respectively, and the transmission shaft and the holes of the first bevel gear and the transmission gear are connected by splines, the rotation of the transmission input bevel gear can drive the first bevel gear. The rotation of the bevel gear drives the synchronous rotation of the transmission shaft and the transmission gear. The rotation of the transmission gear can drive the rotation of a certain transmission intermediate wheel that meshes with it. Because the second bevel gear of the transmission intermediate wheel is meshed with the third bevel gear, and under the action of the snap ring, the transmission intermediate wheel has been fixed along the axial direction of the second guide shaft, and can only be moved along the axis of the second guide shaft. It rotates, and the rotation of the transmission intermediate wheel can drive the rotation of the third bevel gear, thereby driving the internal thread strip to move back and forth in the guide groove, and the end of the internal thread strip can be connected with the corresponding phase shifter, so as to realize the Phaser tilt adjustment.
本发明提供的一种电下倾角调整装置具有结构简单、制造方便、成本低、重量轻、尺寸小、质量可靠的优点。The electric down-tilt angle adjusting device provided by the invention has the advantages of simple structure, convenient manufacture, low cost, light weight, small size and reliable quality.
本发明通过在所述支撑架上设置有防脱钩，所述传动轴的两端设置有环槽，支撑架的防脱钩卡进传动轴的环槽内，可防止支撑架脱落，使选位传动组件形成一整体，方便此选位传动组件作为模块在产线上的周转与安装。According to the present invention, the support frame is provided with an anti-releasing hook, the two ends of the transmission shaft are provided with ring grooves, and the anti-releasing hook of the support frame is clamped into the ring groove of the transmission shaft, so that the support frame can be prevented from falling off, and the position-selecting transmission can be prevented. The assembly forms a whole, which facilitates the turnover and installation of the position selection transmission assembly as a module on the production line.
本发明通过在第三锥齿轮与固定座的第一圆孔间增加阻尼圈，可防止第三锥齿轮在非工作状态时，如产品运输过程中的抖动而导致内螺纹条的前后滑动，通过设置弹扣，弹扣卡扣于固定座的第二圆孔端面上，可以防止第三锥齿轮从固定座松脱出来，使移相组件形成一整体，方便此移相组件作为一模块在产线上的周转与安装。By adding a damping ring between the third bevel gear and the first round hole of the fixing seat, the present invention can prevent the internal thread strip from sliding back and forth when the third bevel gear is in a non-working state, such as vibration during product transportation. The elastic buckle is provided, and the elastic buckle is buckled on the end face of the second round hole of the fixed seat, which can prevent the third bevel gear from loosening from the fixed seat, so that the phase-shifting component is formed as a whole, which is convenient for the phase-shifting component to be produced as a module. Online turnaround and installation.
附图说明Description of drawings
图1本发明实施例所述的一种电下倾角调整装置结构示意图一；1 is a schematic structural diagram 1 of an electric downtilt angle adjustment device according to an embodiment of the present invention;
图2为本发明实施例所述的一种电下倾角调整装置的选位传动组件的爆炸示意图；2 is an exploded schematic diagram of a position-selecting transmission assembly of an electric down-tilt adjustment device according to an embodiment of the present invention;
图3为本发明实施例所述的一种电下倾角调整装置的传动介轮组装爆炸示意图；FIG. 3 is a schematic diagram of an exploded schematic diagram of the assembly and explosion of a transmission medium wheel of an electric downtilt angle adjustment device according to an embodiment of the present invention;
图4为本发明实施例所述的一种电下倾角调整装置的选位传动组件结构示意图；FIG. 4 is a schematic structural diagram of a position selection transmission assembly of an electric downtilt angle adjustment device according to an embodiment of the present invention;
图5为本发明实施例所述的一种电下倾角调整装置的移相组件爆炸示意图；5 is an exploded schematic diagram of a phase-shifting component of an electric downtilt angle adjustment device according to an embodiment of the present invention;
图6为本发明实施例所述的一种电下倾角调整装置的移相组件剖视图；6 is a cross-sectional view of a phase-shifting component of an electrical downtilt adjustment device according to an embodiment of the present invention;
图7为本发明实施例所述的一种电下倾角调整装置结构示意图二。FIG. 7 is a second structural schematic diagram of an electric downtilt angle adjusting device according to an embodiment of the present invention.
附图标记说明：Description of reference numbers:
1、选位传动组件；2、移相组件；10、选位输入齿轮；11、传动输入锥齿轮；12、支撑架；13、选位齿条；14、传动齿轮；141、圆轴弹臂；142、倒扣；15、传动轴；16、第一锥齿轮；17、第一导轴；18、传动介轮；181、第二锥齿轮；182、止退面；19、第二导轴；191、卡槽；20、卡环；21、固定座；211、第一圆孔；212、第二圆孔；22、第三锥齿轮；221、弹扣；23、外螺纹柱；24、内螺纹条；25、阻尼圈。1. Position selection drive assembly; 2. Phase shift assembly; 10, Position selection input gear; 11, Transmission input bevel gear; 12, Support frame; 13, Position selection rack; 14, Transmission gear; 141, Round shaft elastic arm ; 142, inverted buckle; 15, transmission shaft; 16, the first bevel gear; 17, the first guide shaft; 18, the transmission intermediate wheel; 181, the second bevel gear; 182, the stop surface; 19, the second guide shaft ; 191, card slot; 20, snap ring; 21, fixed seat; 211, first round hole; 212, second round hole; 22, third bevel gear; 221, spring buckle; 23, external thread column; 24, Internal thread strip; 25. Damping ring.
具体实施方式Detailed ways
为使本发明的目的、技术方案及优点更加清楚明白，以下结合附图及具体实施方式，对本发明进行进一步的详细说明。应当理解的是，此处所描述的具体实施方式仅用以解释本发明，并不限定本发明的保护范围。In order to make the objectives, technical solutions and advantages of the present invention clearer, the present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention, and do not limit the protection scope of the present invention.
需要说明的是，当元件被称为“固定于”、“设置于”、“固设于”或“安设于”另一个元件，它可以直接在另一个元件上或者也可以存在居中的元件。当一个元件被认为是“连接”另一个元件，它可以是直接连接到另一个元件或者可能同时存在居中元件。进一步地，当一个元件被认为是“传动连接”另一个元件，二者能够实现动力传递即可，其具体实现方式可以利用现有技术中实现，在此不再累赘。当元件与另一个元件相互垂直或近似垂直是指二者的理想状态是垂直，但是因制造及装配的影响，可以存在一定的垂直误差。本文所使用的术语“垂直的”、“水平的”、“左”、“右”以及类似的表述只是为了说明的目的，并不表示是唯一的实施方式。It should be noted that when an element is referred to as being "fixed on", "disposed on", "fixed on" or "mounted on" another element, it can be directly on the other element or an intervening element may also be present . When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. Further, when one element is considered to be "transmission-connected" to another element, it is sufficient that the two can realize power transmission, and the specific implementation method can be realized by using the prior art, which will not be repeated here. When a component and another component are perpendicular or approximately perpendicular to each other, it means that the ideal state of the two is vertical, but due to the influence of manufacturing and assembly, there may be a certain vertical error. The terms "vertical", "horizontal", "left", "right" and similar expressions used herein are for the purpose of illustration only and do not represent the only embodiment.
除非另有定义，本文所使用的所有的技术和科学术语与属于本发明的技术领域的技术人员通常理解的含义相同。本文中在本发明的说明书中所使用的术语只是为了描述具体的实施方式的目的，不是旨在于限制本发明。本文所使用的术语“及/或”包括一个或多个相关的所列项目的任意的和所有的组合。Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terms used herein in the description of the present invention are for the purpose of describing specific embodiments only, and are not intended to limit the present invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
本发明中涉及的“第一”、“第二”不代表具体的数量及顺序，仅仅是用于名称的区分。The "first" and "second" involved in the present invention do not represent a specific quantity and order, but are only used for the distinction of names.
下面结合附图1-附图7对本发明实施例进行详细说明：Embodiments of the present invention will be described in detail below in conjunction with accompanying
本发明第一方面实施例提出一种电下倾角调整装置，参照附图1所示，本发明的应用方案由如下组件组成：The embodiment of the first aspect of the present invention proposes an electric downtilt angle adjustment device. Referring to Figure 1, the application scheme of the present invention is composed of the following components:
所述电下倾角调整装置包括选位传动组件1和移相组件2，选位传动组件1可完成对移相组件2中的任一路传动进行选位，移相组件2可带动对应的移相器(未图示)进行倾角的调节，所述选位传动组件1包括支撑架12、移动切换机构、传动齿轮14、第二导轴19；所述支撑架12上安装有第二导轴19，所述第二导轴19上间隔安装有若干个传动介轮18，所述传动齿轮14用于带动传动介轮18转动，所述支撑架12上安装有移动切换机构，所述移动切换机构用于带动传动齿轮14在若干个传动介轮18中移动切换；所述移动切换机构上设置有驱动件，所述驱动件用于带动传动齿轮14转动；The electric downtilt angle adjustment device includes a position
所述移相组件2包括若干个从动件，若干个传动介轮18分别与若干个从动件一一对应传动连接，若干个从动件分别用于与相应的移相器进行连接用于实现对移相器倾角的调节。The phase-shifting
所述移动切换机构包括传动轴15和选位齿条13，所述选位齿条13两端分别设置有选位固定孔131，两端的选位固定孔131分别安装有传动齿轮14，所述传动轴15穿过选位固定孔131和传动齿轮14的孔并且两端分别与支撑架12连接，所述选位齿条13上设置有选位输入齿轮10，所述选位输入齿轮10的转动可带动选位齿条13和传动齿轮14沿传动轴15的轴方向滑动。The movement switching mechanism includes a
所述驱动件包括传动输入锥齿轮11和第一锥齿轮16，所述第一锥齿轮16套接在传动轴15上，所述第一锥齿轮16的转动可带动传动轴15和传动齿轮14同步转动，所述传动输入锥齿轮11的转动可带动第一锥齿轮16转动。The driving member includes a transmission
具体地，参照附图2所示，传动齿轮14对称安装于选位齿条13两端的选位固定孔131上，所述传动齿轮14上设置有圆轴弹臂141，传动齿轮14的圆轴弹臂141可在选位齿条13的选位固定孔131内旋转，并且传动齿轮14的端部设有倒扣142，此倒扣142可卡扣于选位固定孔131上。Specifically, as shown in FIG. 2 , the
进一步地，传动轴15分别穿过传动齿轮14、第一锥齿轮16和另一个传动齿轮14的孔，传动轴15与传动齿轮14和第一锥齿轮16间可采用花键结构进行配合，故第一锥齿轮16的转动可带动传动轴15和传动齿轮14同步旋转。Further, the
进一步地，所述支撑架12上还设置有第一导轴17，所述第一导轴17穿过选位齿条13两端，选位齿条13可带动卡扣于固定孔131上的传动齿轮14作为一整体沿传动轴15(或第一导轴17)的轴方向自由滑动，通过第一导轴17和传动轴15的共同作用下，使到选位齿条13的滑动更加稳定。Further, the
参照图3所示，所述第二导轴19上设置有若干个卡槽191，所述传动介轮18的止退面182上设置有卡环20，第二导轴19依次一一穿过传动介轮18的孔后，再用卡环20对应卡扣于第二导轴19对应的卡槽191内，使传动介轮18平均且对称地分布于第二导轴19两侧。传动介轮18可沿第一导轴17的轴心自由地旋转，并且卡环20置于传动介轮18的止退面182，以防止传动介轮18沿第二导轴19的轴方向往另一边滑动。进一步地，卡环20和传动介轮18的安装位置与数量，可根据天线的实现所需进行调整，本发明的实施例采用的是12路进行说明。Referring to FIG. 3 , the
参照图4所示，支撑架12安装于第一导轴17、第二导轴19和传动轴15的两端，起到对第一导轴17、第二导轴19和传动轴15支撑定位的作用。Referring to FIG. 4 , the
进一步地，传动轴15能在支撑架12两端的固定孔内自由转动,所述支撑架12上设置有防脱钩121，所述传动轴15的两端设置有环槽151，支撑架12的防脱钩121卡进传动轴15的环槽151内，可防止支撑架12脱落，使选位传动组件1形成一整体，方便此选位传动组件1作为模块在产线上的周转与安装。Further, the
进一步地，选位输入齿轮10的转动，可带动选位齿条13沿传动轴15(或第一导轴17)的轴方向滑动，选位齿条13的滑动可带动卡扣于选位固定孔131上的传动齿轮14进行相应的移动，在选位齿条13滑动的过程中，传动齿轮14可依次与固定于第二导轴19上的传动介轮18一一啮合，从而完成对不同位置传动介轮18的选位。Further, the rotation of the
进一步地，传动齿轮14的数量可根据换档的效率要求设计为一个或数个(本实例传动齿轮14的数量为2个)，当其中一个传动齿轮14与任一个传动介轮18啮合时，其它位置的传动齿轮14需与传动介轮18完全处于分离的位置。Further, the number of transmission gears 14 can be designed as one or several according to the efficiency requirement of shifting (the number of transmission gears 14 in this example is 2). When one of the transmission gears 14 meshes with any transmission
参照图5和附图6所示，所述移相组件2包括位于选位传动组件1一侧的固定座21，所述从动件包括内螺纹条24和外螺纹柱23，内螺纹条24安装于固定座21的导槽内，内螺纹条24可在导槽内自由滑动，外螺纹柱23置于内螺纹条24的下方，外螺纹柱23与内螺纹条24间除本实例所示的螺纹的传动方式外，亦可采用蜗轮螺杆等其它的传动方式。所述传动介轮18的转动可带动外螺纹柱23转动，所述外螺纹柱23的转动可带动内螺纹条24在导槽内滑动。Referring to FIG. 5 and FIG. 6 , the phase-shifting
进一步地，所述从动件还包括第三锥齿轮22，所述传动介轮18上设置有第二锥齿轮181，所述第二锥齿轮181与相应的第三锥齿轮22啮合连接，所述第三锥齿轮22与固定座21的第一圆孔211之间设置有阻尼圈25，第三锥齿轮22依次穿过阻尼圈25、固定座21的第一圆孔211、外螺纹柱23的通孔和固定座21的第二圆孔212，并且第三锥齿轮22与外螺纹柱23之间为可传动连接，具体地，第三锥齿轮22与外螺纹柱23之间可应用花键的结构配合实现可传动连接，第三锥齿轮22可在固定座21的第一圆孔211和第二圆孔212内自由转动，第三锥齿轮22的转动可带动外螺纹柱23一起转动，而外螺纹柱23的转动可带动内螺纹条24在固定座21的导槽内前后移动。Further, the driven member further includes a
本实施例通过在第三锥齿轮22与固定座21的第一圆孔211间增加阻尼圈25，可防止第三锥齿轮22在非工作状态时，如产品运输过程中的抖动而导致内螺纹条24的前后滑动。In this embodiment, a damping
优选的，第三锥齿轮22后部还可设计一弹扣221，弹扣221卡扣于固定座21的第二圆孔212端面上，用于防止第三锥齿轮22从固定座21松脱出来，使移相组件2形成一整体，方便此移相组件2作为一模块在产线上的周转与安装。Preferably, an
本发明的工作原理：由于传动轴15分别穿过传动齿轮14和第一锥齿轮16的孔，并且传动轴15与第一锥齿轮16和传动齿轮14的孔均采用花键连接的方式，故传动输入锥齿轮11的转动可带动第一锥齿轮16的转动，从而带动传动轴15和传动齿轮14的同步转动。传动齿轮14的转动可带动与其相啮合的某一路传动介轮18的转动。进一步地，由于传动介轮18的第二锥齿轮181与第三锥齿轮22啮合连接，并在卡环20的作用下，传动介轮18沿第二导轴19的轴方向已被固定，只可沿第二导轴19的轴心进行旋转，而传动介轮18的旋转，可带动第三锥齿轮22的旋转，从而带动内螺纹条24在导槽内的前后移动，内螺纹条24端部可与相应的移相器(未图示)进行连接，从而实现移相器(未图示)倾角的调节。The working principle of the present invention: since the
参照图7所示，在本发明的其它一些实施例中，所述移相组件2可设计为一路或多路为一组(本实例采用2路为一组进行说明)，根据天线的实际需要，可对移相组件2、传动介轮18和卡环20进行相应的增减，实现产品的模块化，提高此产品的适用性，节省成本。Referring to FIG. 7 , in other embodiments of the present invention, the phase-shifting
本发明第二方面实施例提出一种基站天线，所述基站天线包括如上述第一方面实施例中任意所述的一种电下倾角调整装置，由于基站天线的其它部分结构属于现有技术，本领域技术人员参照现有技术即可实现，本实施例在此不再详述。The embodiment of the second aspect of the present invention provides a base station antenna, and the base station antenna includes an electrical downtilt angle adjustment device as described in any of the above-mentioned embodiments of the first aspect. Since other parts of the structure of the base station antenna belong to the prior art, Those skilled in the art can realize this by referring to the prior art, and this embodiment will not be described in detail here.
以上实施例的各技术特征可以进行任意的组合，为使描述简洁，未对上述实施例中的各个技术特征所有可能的组合都进行描述，然而，只要这些技术特征的组合不存在矛盾，都应当认为是本说明书记载的范围。The technical features of the above embodiments can be combined arbitrarily. For the sake of brevity, all possible combinations of the technical features in the above embodiments are not described. However, as long as there is no contradiction in the combination of these technical features, all It is considered to be the range described in this specification.
以上所述实施例仅表达了本发明的具体实施方式，其描述较为具体和详细，但并不能因此而理解为对本发明专利范围的限制。应当指出的是，对于本领域的普通技术人员来说，在不脱离本发明构思的前提下，还可以做出若干变形和改进，这些都属于本发明的保护。The above-mentioned embodiments only represent specific embodiments of the present invention, and the descriptions thereof are specific and detailed, but should not be construed as limiting the patent scope of the present invention. It should be pointed out that for those skilled in the art, without departing from the concept of the present invention, several modifications and improvements can be made, which all belong to the protection of the present invention.
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| CN202210296874.0ACN114465005A (en) | 2022-03-24 | 2022-03-24 | An electric downtilt angle adjustment device and base station antenna |
| EP23773585.7AEP4503333A1 (en) | 2022-03-24 | 2023-03-03 | Electric downtilt angle adjustment apparatus and base station antenna |
| PCT/CN2023/079430WO2023179334A1 (en) | 2022-03-24 | 2023-03-03 | Electric downtilt angle adjustment apparatus and base station antenna |
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| WO2023179334A1 (en)* | 2022-03-24 | 2023-09-28 | 广东博纬通信科技有限公司 | Electric downtilt angle adjustment apparatus and base station antenna |
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| CN109768392A (en)* | 2019-03-15 | 2019-05-17 | 深圳市兆威机电股份有限公司 | Antenna regulating device |
| CN110165412A (en)* | 2019-05-27 | 2019-08-23 | 武汉虹信通信技术有限责任公司 | Electrical tilt antenna is driven switching device and antenna for base station |
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