CN111370872B - Antenna inclination angle adjusting device - Google Patents
Antenna inclination angle adjusting device Download PDFInfo
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- CN111370872B CN111370872B CN202010464572.0A CN202010464572A CN111370872B CN 111370872 B CN111370872 B CN 111370872B CN 202010464572 A CN202010464572 A CN 202010464572A CN 111370872 B CN111370872 B CN 111370872B
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- 230000005540 biological transmission Effects 0.000 claims abstract description 46
- 238000004804 winding Methods 0.000 claims description 2
- 238000000034 method Methods 0.000 claims 1
- 238000010295 mobile communication Methods 0.000 abstract description 2
- 235000012431 wafers Nutrition 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009194 climbing Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
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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
- H01Q3/02—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system using mechanical movement of antenna or antenna system as a whole
- H01Q3/04—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system using mechanical movement of antenna or antenna system as a whole for varying one co-ordinate of the orientation
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Abstract
The invention relates to the technical field of transmission devices of mobile communication antennas, in particular to an antenna inclination angle adjusting device, which comprises: the invention relates to a positioning group, a transmission group, a motor, a screw rod and a push rod, which utilize the rotation mode of the motor to complete the adjustment of the downward inclination angle of a single antenna, when the motor rotates reversely, a gear II in the transmission group is engaged with a gear three-phase, then the motor rotates forwards, a rod in the positioning group is abutted against a transmission shaft in the transmission group, the motor rotates forwards continuously, so that the gear II is transmitted through the rod, the screw rod is driven to rotate through the gear II, and the downward inclination angle of the antenna is adjusted by moving the push rod.
Description
Technical Field
The invention relates to the technical field of transmission devices of mobile communication antennas, in particular to an antenna inclination angle adjusting device.
Background
In a mobile base station communication system, regarding the adjustment mode of the downward inclination angle of the antenna, at present, two modes of manual adjustment and electric adjustment are commonly used, the electric adjustment is relatively manual adjustment, the advantages are that manual tower climbing is not needed, adjustment at the antenna end is not needed, great convenience and feasibility are achieved, particularly in economically developed and more developed areas, the electric adjustment gradually becomes a mainstream, and the application of the electric adjustment is more and more extensive.
With the limitation of the mobile base station resource, the multi-frequency antenna has become a more and more demanding trend, for the multi-frequency antenna, the mainstream electric adjusting mode at present is that the antenna of each frequency band adopts one downward inclination angle adjusting device, that is, one multi-frequency antenna needs a plurality of downward inclination angle adjusting devices, however, the downward inclination angle adjusting mode of the multi-frequency antenna needs a plurality of downward inclination angle adjusting devices, which results in a plurality of power devices of the antenna downward inclination angle adjusting device, so that the whole size cannot meet the development trend of miniaturization, and the antenna transmission device has important influence on the cost, weight and size of the antenna.
Disclosure of Invention
Accordingly, the present invention has been made in view of the above problems, and it is an object of the present invention to provide an antenna tilt adjusting apparatus which can achieve miniaturization of a multi-frequency antenna transmission apparatus by reducing power consumption.
Antenna inclination adjusting device includes: the device comprises a shell, a positioning group, a transmission group, a motor, a screw rod and a push rod;
the positioning group comprises: the device comprises an inner gear ring, a rocker arm, a rod, a first gear, a first one-way bearing and an outer gear ring;
the motor is arranged at one end of the positioning group, the inner gear ring is connected to a shaft of the motor through a one-way bearing, and teeth are respectively arranged on the inner wall surface and the outer wall surface of the inner gear ring;
the rocker arm is nested on a shaft of the motor, and a first elastic rod is arranged on the rocker arm;
the number of the rods is two, one rod is vertically arranged at the extending end of the rocker arm, the other rod is positioned in the inner gear ring, the two rods are oppositely arranged, and the upper ends of the rods are provided with elastic components;
the first gears are fixed in the middle of the two rods respectively and are meshed with the teeth on the inner surface and the outer surface of the inner gear ring respectively;
the outer wall surface of the outer gear ring is fixed on the shell, and teeth on the inner wall of the outer gear ring are meshed with a first gear close to the rocker arm;
the transmission set includes: the mounting part, a one-way bearing II, a transmission shaft, a gear II, a belt and an elastic rod II;
the mounting part is arranged on the shaft through a second one-way bearing, two connecting parts extend out of the mounting part horizontally, a plurality of vertical through holes are formed in the top surface of the mounting part along the axis, and the locking direction of the second one-way bearing is opposite to that of the first one-way bearing;
the number of the transmission shafts is three, one transmission shaft is vertically arranged at the extending end of the lower connecting part, and the other two transmission shafts are vertically arranged at the two ends of the upper connecting part;
the two second gears are respectively fixed on the transmission shafts positioned at the extending ends of the two connecting parts;
the belt is nested on the two transmission shafts on the upper connecting part;
one end of the elastic rod is arranged on the shell, and the other end of the elastic rod extends downwards.
Has the advantages that: the invention utilizes the rotation mode of the motor to complete the adjustment of the downward inclination angle of a single antenna, and specifically comprises the following steps: when the motor reversal, let gear two and a gear three-phase meshing in the transmission group, rethread motor corotation, let the pole in the location group and the transmission shaft counterbalance in the transmission group, the motor lasts corotation, thereby carry out the transmission through the pole to gear two, rethread gear two drives the lead screw rotatory, thereby through removing the downtilt angle of push rod in order to adjust the antenna, the downtilt angle regulation that has significantly reduced current multifrequency antenna of a motor needs a plurality of ability mechanisms to accomplish, thereby the overall dimension of device has been reduced greatly, realize the miniaturization.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
FIG. 2 is a schematic view of a partial structure of the present invention.
FIG. 3 is an exploded view of the positioning assembly and the transmission assembly of the present invention.
FIG. 4 is a top view of the positioning set of the present invention.
FIG. 5 is a top view of the drive train of the present invention.
FIG. 6 is a schematic view of a lead screw structure according to the present invention.
As shown in the figure: 1-positioning group, 2-transmission group, 3-motor, 4-screw rod, 5-push rod, 11-inner gear ring, 12-rocker arm, 13-rod, 14-first gear, 15-positioning rod, 16-first one-way bearing, 17-outer gear ring, 21-mounting part, 22-second one-way bearing, 23-transmission shaft, 24-second gear, 25-belt, 26-second elastic rod, 31-shaft, 121-first elastic rod, 131-elastic component, 132-baffle, 211-connecting part and 311-limiting plate.
Detailed Description
The present invention is further illustrated in the following description with reference to specific embodiments and the accompanying drawings, wherein the details are set forth in order to provide a thorough understanding of the present invention, but it is apparent that the present invention can be embodied in many other forms different from the description herein, and it will be readily appreciated by those skilled in the art that the present invention can be embodied in many different forms without departing from the spirit and scope of the invention.
As shown in fig. 1, the antenna tilt angle adjusting apparatus includes: the positioning device comprises a positioning group 1, a transmission group 2, a motor 3, a screw rod 4 and a push rod 5;
as shown in fig. 2, a motor 3 is connected below the positioning set 1, a transmission set 2 is arranged above the positioning set 1, and the motor 3 provides power for the positioning set 1 and the transmission set 2 through positive rotation and reverse rotation;
a limiting plate 311 is arranged on the shaft 31 of the motor 3 close to the bottom;
the limiting plate 311 is in the shape of a winding disc and consists of an upper disc, a lower disc and a pipe for connecting the upper disc and the lower disc, wherein the disc surface of the upper disc is provided with a plurality of through holes, and the number and the distribution angle of the through holes correspond to those of the screw rod 4;
as shown in fig. 3, the positioning group 1 includes: the device comprises an inner gear ring 11, a rocker arm 12, a rod 13, a first gear 14, a positioning rod 15, a first one-way bearing 16 and an outer gear ring 17;
the inner gear ring 11 is connected to a shaft 31 of the motor 3 through a one-way bearing I16, wherein teeth are respectively arranged on the inner wall surface and the outer wall surface of the inner gear ring 11;
the rocker arm 12 is nested on a pipe of the limiting plate 311 to limit the rocker arm 12 up and down, wherein the length of the extending end of the rocker arm 12 is greater than the outer diameter of the inner gear ring 11, and the rocker arm 12 is positioned at one end of the limiting plate 311 and provided with a first elastic rod 121 which is vertically arranged upwards, when the rotating direction of the shaft 31 is the idling direction of the first one-way bearing 16, the upper end of the first elastic rod 121 is meshed into a through hole of a disc on the limiting plate 311 to position the rocker arm 12, so that the rocker arm 12 can only rotate in one direction through the first one-way bearing 16 and the limiting plate 311, and the aim is that the first one-way bearing 16 still has slight friction force with an outer ring and an inner ring of the first one-way bearing 16 through steel balls although the first one-way bearing;
the number of the rods 13 is two, one rod 13 is vertically arranged at the extending end of the rocker arm 12, the other rod 13 is positioned inside the inner gear ring 11, the two rods 13 are oppositely arranged, and the upper end of the rod 13 positioned in the inner gear ring 11 is higher than the rod 13 arranged on the rocker arm 12;
the upper end of the rod 13 is provided with an elastic component 131, and the middle part is provided with a baffle 132;
the baffle 132 is composed of two wafers, and a certain distance is formed between the two wafers;
the first gears 14 are fixed in the middle of the two rods 13 respectively and are meshed with the teeth on the inner surface and the outer surface of the inner gear ring 11 respectively, and when the inner gear ring 11 rotates, the rotation directions of the first gears 14 are opposite;
the two ends of the positioning rod 15 are respectively nested on the two rods 13, and the baffle 132 limits the upper surface and the lower surface of the positioning rod 15, wherein a hole is formed in the middle of the positioning rod 15, and the upper end of the shaft 31 penetrates through the hole of the positioning rod 15;
the rocker arm 12 supports the two rods 13 by the connection of the positioning rod 15;
the outer wall surface of the outer gear ring 17 is fixed on a shell (not shown), and teeth on the inner wall of the outer gear ring 17 are meshed with a first gear 14 close to the rocker arm 12;
when the motor 3 works, the shaft 31 drives the inner gear ring 11 to rotate positively, the inner gear ring 11 and the outer gear ring 17 act on the two first gears 14, and the two first gears 14 drive the two rods 14 to rotate and revolve;
the transmission group 2 comprises: the mounting part 21, the one-way bearing II 22, the transmission shaft 23, the gear II 24, the belt 25 and the elastic rod II 26;
the mounting part 21 is arranged on the shaft 31 through the one-way bearing II 22, wherein the mounting part 21 horizontally and outwards extends two connecting parts 211, the included angle between the two connecting parts 211 is less than ninety degrees, the top surface of the mounting part 21 is provided with a plurality of vertical through holes along the axis, and the number and the placing angle of the through holes are the same as those of the screw rod 4;
the height of one connecting part 211 is higher than that of the other connecting part 211, wherein the height of the bottom surface of the extending end of the lower connecting part 211 and the end of the upper connecting part 211 connected with the mounting part 21 is lower than that of the elastic component 131;
the locking direction of the second one-way bearing 22 is opposite to that of the first one-way bearing 16;
the number of the transmission shafts 23 is three, one transmission shaft 23 is vertically arranged at the extending end of the lower connecting part 211, and the other two transmission shafts 23 are vertically arranged at the two ends of the upper connecting part 211;
the transmission shaft 23 extends downwards to form a connecting part 211;
the number of the second gears 24 is two, and the two second gears 24 are respectively fixed on the transmission shafts 23 positioned at the extending ends of the two connecting parts 211;
the belt 25 is nested on the two transmission shafts 23 of the upper connecting part 211;
one end of the second elastic rod 26 is arranged on a shell (not shown in the figure), the other end of the second elastic rod 26 extends downwards, when the rotating direction of the shaft 31 is the idling direction of the second one-way bearing 22, the lower end of the second elastic rod 26 is inserted into the through hole of the mounting part 21, the mounting part 21 is positioned, so that the mounting part 21 can only rotate towards one direction by the limitation of the second one-way bearing 22 and the second elastic rod 26, and the mounting part 21 is prevented from displacing when the second one-way bearing 22 idles with the shaft 31, wherein the mounting part 21 and the rocker arm 12 rotate in opposite directions;
the number of the screw rods 4 is the same as that of the antennas installed on the base station, the screw rods 4 are annularly arranged by taking the shaft 31 as a center, as shown in fig. 6, a third gear 41 is arranged at the lower end of each screw rod 4, and the third gear 41 is meshed with a second gear 24;
the push rod 5 is arranged on the screw rod 4 through a nut;
when the motor 3 rotates reversely, the one-way bearing I16 idles, the rocker arm 12 positions the inner gear ring 11 through the gear I14, so that the positioning group 1 cannot rotate along with the shaft 31, the one-way bearing II 22 is locked, and the mounting part 21 rotates reversely along with the shaft 31, and the purpose is that the gear II 24 corresponds to the gear III 41 on the single screw rod 4;
the two rods 13 respectively correspond to the two second gears 24, so that through different rotation directions of the two rods 13, one second gear 24 drives the push rod 5 to move upwards through the screw rod 4, the other second gear 24 drives the push rod 5 to move downwards through the screw rod 4, and when one second gear 24 is meshed with one third gear 41, the other second gear 24 is located between the two third gears 41 and has a space.
The working principle of the invention is as follows:
when the declination angle of a single antenna needs to be adjusted, firstly, the motor 3 rotates reversely, the mounting part 21 rotates along with the shaft 31, the gear two 24 of the lower connecting part 211 revolves, the torque force of the gear three 41 is greater than that of the gear two 24, the gear three 41 can not be influenced by the gear two 24 to rotate, when the gear two 24 stops and is meshed with the gear three 41, the motor 3 rotates forwards, the two gears one 14 revolve and rotate simultaneously through the inner gear ring 11 and the outer gear ring 17, one rod 13 is abutted against the bottom surface of the transmission shaft 23 arranged on the lower connecting part 211 through the elastic piece 131 during revolution, so that the rod 13 is positioned, the motor 3 rotates forwards continuously, the rod 13 drives the gear three 41 to rotate through the gear two 24, the screw rod 4 rotates to move up the push rod 5 to adjust the antenna with the required declination angle, when the wave beam after the declination angle of the antenna needs to be adjusted back or reversely adjusted, the motor 3 rotates, the transmission shaft 23 installed on the lower connecting portion 211 is separated from the rod 5, the gear two 24 of the upper connecting portion 211 is meshed with the gear three 41, at this time, the motor 3 rotates forwards, the other rod 13 is abutted to the bottom surface of the transmission shaft 23, located at one end of the installation portion 21, of the upper connecting portion 211 through the elastic piece 131 during revolution, the other rod 13 is positioned, the motor 3 rotates forwards continuously, the transmission shaft 23 and the belt 25 are driven to rotate through the rod 13, and therefore the gear two 24 drives the screw rod 4 to rotate to move the push rod 5 downwards through the gear three 41, and adjustment of antenna beams is completed.
Claims (1)
1. Antenna inclination adjusting device includes: the device comprises a shell, a positioning group (1), a transmission group (2), a motor (3), a screw rod (4) and a push rod (5);
the motor (3) is arranged at one end of the positioning group (1), and the transmission group (2) is arranged at the other end of the positioning group (1);
the method is characterized in that:
a limiting plate (311) is arranged on the shaft (31) of the motor (3) close to the bottom, the limiting plate (311) is in the shape of a winding disc and consists of an upper disc, a lower disc and a pipe for connecting the upper disc and the lower disc, wherein the disc surface of the upper disc is provided with a plurality of through holes;
the positioning group (1) comprises: the device comprises an inner gear ring (11), a rocker arm (12), a rod (13), a first gear (14), a positioning rod (15), a first one-way bearing (16) and an outer gear ring (17);
the inner gear ring (11) is connected to a shaft (31) of the motor (3) through a one-way bearing I (16), and teeth are respectively arranged on the inner wall surface and the outer wall surface of the inner gear ring (11);
the rocker arm (12) is nested on the pipe of the limiting plate (311), the length of the extending end of the rocker arm (12) is larger than the outer diameter of the inner gear ring (11), and a first elastic rod (121) which is vertically and upwardly arranged is arranged at one end, located on the limiting plate (311), of the rocker arm (12);
the number of the rods (13) is two, one rod (13) is vertically arranged at the extending end of the rocker arm (12), the other rod (13) is positioned inside the inner gear ring (11), the two rods (13) are oppositely arranged, the upper end of the rod (13) positioned in the inner gear ring (11) is higher than the rod (13) arranged on the rocker arm (12), the upper ends of the two rods (13) are provided with elastic components (131), and the middle part of the two rods (13) is provided with a baffle plate (132);
the first gears (14) are two in number, are respectively fixed in the middle of the two rods (13), and are respectively meshed with the teeth on the inner surface and the outer surface of the inner gear ring (11);
two ends of the positioning rod (15) are respectively embedded on the two rods (13), and the upper surface and the lower surface of the positioning rod (15) are limited by the baffle (132), wherein a hole is formed in the middle of the positioning rod (15), and the shaft (31) penetrates through the hole of the positioning rod (15);
the outer wall surface of the outer gear ring (17) is fixed on the shell, and teeth on the inner wall of the outer gear ring are meshed with a first gear (14) close to the rocker arm (12);
the transmission group (2) comprises: the mounting part (21), the one-way bearing II (22), the transmission shaft (23), the gear II (24), the belt (25) and the elastic rod II (26);
the mounting part (21) is arranged on the shaft (31) through a one-way bearing II (22), two connecting parts (211) extend out of the mounting part (21) horizontally, and a plurality of vertical through holes are formed in the top surface of the mounting part (21) along the axis;
one of the connecting parts (211) is higher than the other connecting part (211), and the bottom surface of the extending end of the lower connecting part (211) and the bottom surface of the end of the upper connecting part (211) connected with the mounting part (21) is lower than the elastic component (131);
the locking direction of the one-way bearing II (22) is opposite to that of the one-way bearing I (16);
the number of the transmission shafts (23) is three, one transmission shaft (23) is vertically arranged at the extending end of the lower connecting part (211), and the other two transmission shafts (23) are vertically arranged at the two ends of the upper connecting part (211);
the transmission shaft (23) extends downwards to form a connecting part (211);
the number of the second gears (24) is two, and the two second gears (24) are respectively fixed on the transmission shafts (23) positioned at the extending ends of the two connecting parts (211);
the belt (25) is nested on the two transmission shafts (23) of the upper connecting part (211);
one end of the second elastic rod (26) is arranged on the shell, and the other end of the second elastic rod extends downwards;
the number of the screw rods (4) is multiple, the screw rods are annularly arranged by taking the shaft (31) as a center, a third gear (41) is arranged at the lower end of each screw rod (4), and the third gear (41) is meshed with the second gear (24);
the push rod (5) is arranged on the screw rod (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010464572.0A CN111370872B (en) | 2020-05-28 | 2020-05-28 | Antenna inclination angle adjusting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010464572.0A CN111370872B (en) | 2020-05-28 | 2020-05-28 | Antenna inclination angle adjusting device |
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| Publication Number | Publication Date |
|---|---|
| CN111370872A CN111370872A (en) | 2020-07-03 |
| CN111370872B true CN111370872B (en) | 2020-12-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010464572.0A Active CN111370872B (en) | 2020-05-28 | 2020-05-28 | Antenna inclination angle adjusting device |
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| Country | Link |
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| CN (1) | CN111370872B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115289380B (en) * | 2022-06-29 | 2024-02-09 | 安徽恒诺机电科技有限公司 | Pitching electric cylinder for single motor double cylinders |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8027703B2 (en) * | 2009-02-11 | 2011-09-27 | Amphenol Corporation | Multi-beam antenna with multi-device control unit |
| CN207426158U (en) * | 2017-09-05 | 2018-05-29 | 罗森伯格技术（昆山）有限公司 | A kind of antenna drive device and antenna |
| CN111129774A (en) * | 2019-12-31 | 2020-05-08 | 京信通信技术(广州)有限公司 | Base station antenna, transmission device, switching mechanism and position selection unit |
| US20200161758A1 (en) * | 2016-06-15 | 2020-05-21 | Commscope Technologies Llc | Actuators for controlling multiple phase shifters of remote electronic downtilt base station antennas |
-
2020
- 2020-05-28 CN CN202010464572.0A patent/CN111370872B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8027703B2 (en) * | 2009-02-11 | 2011-09-27 | Amphenol Corporation | Multi-beam antenna with multi-device control unit |
| US20200161758A1 (en) * | 2016-06-15 | 2020-05-21 | Commscope Technologies Llc | Actuators for controlling multiple phase shifters of remote electronic downtilt base station antennas |
| CN207426158U (en) * | 2017-09-05 | 2018-05-29 | 罗森伯格技术（昆山）有限公司 | A kind of antenna drive device and antenna |
| CN111129774A (en) * | 2019-12-31 | 2020-05-08 | 京信通信技术(广州)有限公司 | Base station antenna, transmission device, switching mechanism and position selection unit |
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| CN111370872A (en) | 2020-07-03 |
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Effective date of registration: 20240531 Address after: No. 241-1, Liuyi South Road, Cangshan District, Fuzhou City, Fujian Province, 350000 Patentee after: CHINA YOUKE COMMUNICATION TECHNOLOGY Co.,Ltd. Country or region after: China Address before: No.21, building 1, daozeyuyuan, Lubei street, Luqiao District, Taizhou City, Zhejiang Province Patentee before: Taizhou Aojing kitchen and bathroom Co.,Ltd. Country or region before: China |