CN212517529U - Multi-frequency antenna inclination angle adjusting device - Google Patents
Multi-frequency antenna inclination angle adjusting device Download PDFInfo
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- CN212517529U CN212517529U CN202020611668.0U CN202020611668U CN212517529U CN 212517529 U CN212517529 U CN 212517529U CN 202020611668 U CN202020611668 U CN 202020611668U CN 212517529 U CN212517529 U CN 212517529U
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Abstract
The utility model relates to a transmission technical field of mobile communication antenna, concretely relates to multifrequency antenna inclination adjusting device. Multifrequency antenna inclination adjusting device includes: the transmission set, the motor, the screw rod and the push rod; the transmission set includes: the motor comprises two rocker arms, a first one-way bearing, a first gear, a second gear, a first limiting elastic rod, a transmission gear, a second one-way bearing, a positioning disc and rotating shafts, wherein the number of the rocker arms is two, the rocker arms are coaxially embedded on a shaft of a motor from top to bottom, an inner ring of the first one-way bearing is connected with the shaft, the upper end and the lower end of an outer ring of the first one-way bearing are connected with the two rocker arms, the number of the first gear is the same as that of the rocker arms, and the first gear is; the utility model provides a move looks ware transmission structure complicacy, the big problem of whole transmission size.
Description
Technical Field
The utility model relates to a transmission technical field of mobile communication antenna, concretely relates to multifrequency antenna inclination 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, and the electric adjustment is relatively manual adjustment, so that the advantages of great convenience and easy implementation are achieved without manual tower climbing and adjustment at the antenna end, and 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.
Because the restriction of mobile base station site, multifrequency antenna has become a trend, and to multifrequency antenna, the present mainstream electrical control adjusts the antenna downtilt angle through a plurality of phase shifters of a plurality of motor drive respectively, and this can lead to moving phase shifter transmission structure complicacy, and whole transmission size is big to can not satisfy miniaturized development trend, produce the difficulty moreover, the cost also can promote by a wide margin.
SUMMERY OF THE UTILITY MODEL
Therefore, the present invention has been made in view of the above problems, and an object of the present invention is to provide a multi-frequency antenna tilt angle adjusting apparatus, which can reduce the size of a power device and can reduce the size of a multi-frequency antenna transmission device.
Multifrequency antenna inclination adjusting device includes: transmission set, motor, lead screw and push rod
The transmission set includes: the device comprises a rocker arm, a one-way bearing I, a gear II, a limiting elastic rod I, a transmission gear, a one-way bearing II, a positioning disc and a rotating shaft;
the number of the rocker arms is two, and the rocker arms are coaxially nested on a shaft of the motor from top to bottom;
an inner ring of the one-way bearing is connected with the shaft, and the upper end and the lower end of an outer ring of the one-way bearing are connected with the two rocker arms;
the number of the first gears is the same as that of the rocker arms, and the first gears are horizontally connected to the extending ends of the two rocker arms through two rotating shafts respectively;
the number of the rotating shafts is the same as that of the rocker arms, and the rotating shafts penetrate through the rocker arms;
the first limiting elastic rod is vertically fixed on the upper end face of the upper rocker arm;
the two transmission gears are arranged oppositely, the end faces of the two transmission gears provided with teeth are respectively arranged on the shaft through a one-way bearing II and are positioned on the upper surface and the lower surface of the two rocker arms;
the number of the second gears is the same as that of the rotating shafts, and the second gears are arranged on the rotating shafts;
one of the two limiting elastic rods is vertically fixed on the top surface of the upper transmission gear, and the other one of the two limiting elastic rods is vertically fixed on the bottom surface of the lower transmission gear;
the number of the positioning discs is two, a plurality of grooves are formed in the end face of the axis of the positioning disc, and the two positioning discs are respectively positioned on the upper surface and the lower surface of the upper transmission gear and the lower transmission gear;
the number of the lead screws is the same as that of the antennas on the base station, the lead screws are vertically arranged along the shaft and surround the transmission group, and a third gear is arranged at the lower end of each lead screw;
the pitch of the third gear is larger than that of the second gear, and when one second gear is meshed with one third gear, the other second gear is positioned between the two third gears;
the push rod is installed on the screw rod through a nut, and the push rod is driven to move upwards or downwards through the rotation of the screw rod.
Advantageous effects
The utility model discloses a corotation and the reversal of a motor realize the regulation of single antenna downward inclination right, specifically be motor corotation, gear two and a gear three-phase meshing of top rocking arm, rethread motor reversal, let transmission gear carry out the transmission to gear two, accomplish the regulation to antenna downward inclination, when needs tune back or the back regulation antenna inclination, motor corotation once more, let gear two and a gear three-phase meshing of below rocking arm, reversal once more, realize the regulation to the antenna inclination through transmission gear two transmissions, the downward inclination that a motor has significantly reduced current multifrequency antenna is adjusted and is needed a plurality of ability mechanisms to accomplish, thereby the whole size 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 local structure of the present invention.
Fig. 3 is a schematic view of the structure of the transmission component of the present invention.
Fig. 4 is a schematic view of the screw rod structure of the present invention.
Fig. 5 is a schematic diagram of the rotation of the rocker arm of the present invention.
Fig. 6 is a schematic view of the rotation of the transmission gear and the gear of the present invention.
As shown in the figure: 1-transmission group, 2-motor, 3-lead screw, 4-push rod, 11-rocker arm, 12-one-way bearing I, 13-gear I, 14-gear II, 15-limit elastic rod I, 16-transmission gear, 17-one-way bearing II, 18-positioning disk, 19-rotating shaft, 21-shaft, 31-gear III and 161-limit elastic rod II.
Detailed Description
The present invention will be further described with reference to the following embodiments and drawings, and more details will be set forth in the following description in order to provide a thorough understanding of the present invention, but it is obvious that the present invention can be implemented in various other ways different from those described herein, and those skilled in the art can make similar generalizations and deductions according to the actual application without departing from the spirit of the present invention, and therefore, the scope of the present invention should not be limited by the contents of the embodiments.
As shown in fig. 1, the multi-frequency antenna tilt angle adjusting apparatus includes: transmission unit 1, motor 2, lead screw 3, push rod 4
As shown in fig. 2-3, the drive train 1 comprises: the device comprises a rocker arm 11, a one-way bearing I12, a gear I13, a gear II 14, a limiting elastic rod I15, a transmission gear 16, a one-way bearing II 17, a positioning disc 18 and a rotating shaft 19;
the number of the rocker arms 11 is two, the rocker arms 11 are coaxially nested on a shaft 21 of the motor 2, the two rocker arms 11 are arranged up and down, and the arrangement angle is smaller than ninety degrees;
the inner ring of the one-way bearing I12 is connected with the shaft 21, and the upper end and the lower end of the outer ring of the one-way bearing I12 are connected with the two rocker arms 11;
the number of the first gears 13 is the same as that of the rocker arms 11, and the first gears 13 are horizontally connected to the extending ends of the two rocker arms 11 through two rotating shafts 19 respectively, wherein one first gear 13 is positioned on the top surface of the upper rocker arm 11, and the other first gear 13 is positioned on the bottom surface of the lower rocker arm 11;
one rotating shaft 19 penetrates through the lower rocker arm 11 and extends downwards, the other rotating shaft penetrates through the lower rocker arm 11 and extends upwards, the extending parts of the two rotating shafts 19 are respectively connected with a second gear 14, and the two second gears 14 are on the same horizontal plane;
the first limiting elastic rod 15 is vertically fixed on the upper end face of the upper rocker arm 11;
the number of the transmission gears 16 is two, the end faces of the two transmission gears 16 provided with teeth are arranged oppositely and are respectively arranged on the shaft 21 through a one-way bearing II 17, and the two transmission gears are specifically positioned on the upper surface and the lower surface of the two rocker arms 11, wherein the teeth of the transmission gears 16 are vertically arranged on the axial end faces of the transmission gears, and the extending directions of the teeth are opposite;
the upper transmission gear 16 is meshed with one side, close to the shaft 21, of the upper gear I13, and the lower transmission gear 16 is meshed with one side, far away from the shaft 21, of the lower gear I13, so that the rotating directions of the upper gear I13 and the lower gear I13 are opposite, wherein the wall surfaces of the upper gear I13 and the lower gear I13 are provided with a second limiting elastic rod 161;
one of the two limiting elastic rods 161 is vertically fixed on the top surface of the upper transmission gear 16, and the other one is vertically fixed on the bottom surface of the lower transmission gear 16;
the locking directions of the first one-way bearing 12 and the second one-way bearing 17 are opposite;
when the shaft 21 rotates, the upper and lower transmission gears 16 respectively drive the first two gears 13 to rotate along two directions, and the second gear 14 rotates along with the first gear 13 through the rotating shaft 19;
a plurality of grooves are formed in the end face of the positioning disc 18 along the axis, the number of the positioning discs 18 is two, the two positioning discs 18 are respectively positioned above and below the upper transmission gear 16 and the lower transmission gear 16, the first limiting elastic rod 15 and the second limiting elastic rod 161 are respectively inserted into the grooves of the upper positioning disc 18 and the lower positioning disc 18, and when the first one-way bearing 12, the second one-way bearing 17 and the shaft 21 idle, the first limiting elastic rod 15 and the second limiting elastic rod 161 position the rocker arm 11 and the transmission gear 16;
the number of the lead screws 3 is the same as that of the plurality of antennas on the base station, the plurality of lead screws 3 are vertically arranged along the shaft 21 and surround the transmission group 1, and the lower end of each lead screw 3 is provided with a gear III 31;
the pitch of the third gear 31 is larger than that of the second gear 14, and when one second gear 14 is meshed with one third gear 31, the other second gear 14 is positioned between the two third gears 31;
the push rod 4 is arranged on the screw rod 3 through a nut, and the push rod 4 is driven to move upwards or downwards through the rotation of the screw rod 3;
when the motor 21 rotates forwards, the second one-way bearing 17 idles with the shaft 21, the upper and lower two transmission gears 16 are matched with the positioning disc 18 through the second limiting elastic rod 161 to position the two transmission gears 16, meanwhile, the first one-way bearing 12 is locked with the shaft 21 to drive the rocker arm 11 to revolve, the first two gears 13 revolve and drive the second gear 14 to rotate through the two transmission gears 16, and the second gear 14 is not contacted with the third gear 31 because the moment of the third gear 31 is greater than that of the second gear 14.
The utility model discloses the theory of operation:
when the declination angle of a single antenna needs to be adjusted, firstly, the motor 2 rotates forwards, the rocker arm 11 is driven to rotate through the shaft 21, in the rotating process of the rocker arm 11, the gear I13 drives the gear II 14 to rotate through the transmission gear 16, because the pitch of the gear III 31 is larger than that of the gear II 14, the gear II 14 does not touch the gear III 31 when the revolution and rotation of the gear II 14 are carried out together, the motor 2 stops, the gear II 14 of the upper rocker arm 11 is meshed with the gear III 31, the gear II 14 of the lower rocker arm 11 is positioned between the two gear III 31, the motor 2 rotates backwards, the one-way bearing I12 idles with the shaft 21, the rocker arm 11 is positioned through the limiting elastic rod I15, the upper transmission gear 16 drives the gear II 14 to rotate the screw rod 3 through the gear I13, so that the push rod 4 moves upwards to adjust the declination angle of the antenna, when the declination angle of the antenna needs to be adjusted backwards or reversely, the motor 2 again, and repeating the actions to complete the adjustment of the inclination angle of the antenna.
Claims (8)
1. Multifrequency antenna inclination adjusting device includes: a transmission set (1), a motor (2), a screw rod (3) and a push rod (4)
The method is characterized in that: the transmission group (1) comprises: the device comprises a rocker arm (11), a one-way bearing I (12), a gear I (13), a gear II (14), a limiting elastic rod I (15), a transmission gear (16), a one-way bearing II (17), a positioning disc (18) and a rotating shaft (19);
the number of the rocker arms (11) is two, and the rocker arms (11) are coaxially nested on a shaft (21) of the motor (2) from top to bottom;
the inner ring of the one-way bearing I (12) is connected with the shaft (21), and the upper end and the lower end of the outer ring of the one-way bearing I (12) are connected with the two rocker arms (11);
the number of the first gears (13) is the same as that of the rocker arms (11), and the first gears are horizontally connected to the extending ends of the two rocker arms (11) through two rotating shafts (19) respectively;
the number of the rotating shafts (19) is the same as that of the rocker arms (11), and the rotating shafts (19) penetrate through the rocker arms (11);
the first limiting elastic rod (15) is vertically fixed on the upper end face of the upper rocker arm (11);
the two transmission gears (16) are arranged in number, the end faces of the two transmission gears (16) provided with teeth are arranged oppositely, and the two transmission gears are respectively arranged on the shaft (21) through a one-way bearing II (17) and are positioned on the upper surface and the lower surface of the two rocker arms (11);
the number of the second gears (14) is the same as that of the rotating shafts (19), and the second gears are arranged on the rotating shafts (19);
one of the two limiting elastic rods (161) is vertically fixed on the top surface of the upper transmission gear (16), and the other one of the two limiting elastic rods is vertically fixed on the bottom surface of the lower transmission gear (16);
the number of the positioning discs (18) is two, a plurality of grooves are formed in the end faces of the positioning discs (18) along the axis, and the two positioning discs (18) are respectively positioned on the upper surface and the lower surface of the upper transmission gear (16) and the lower transmission gear (16);
the number of the screw rods (3) is the same as that of the plurality of antennas on the base station, the plurality of screw rods (3) are vertically arranged along the shaft (21) and surround the transmission set (1), and a gear III (31) is arranged at the lower end of each screw rod (3);
the pitch of the third gear (31) is larger than that of the second gear (14), and when one second gear (14) is meshed with one third gear (31), the other second gear (14) is positioned between the two third gears (31);
the push rod (4) is installed on the screw rod (3) through a nut, and the screw rod (3) rotates to drive the push rod (4) to move upwards or downwards.
2. The tilt adjustment apparatus for multi-frequency antenna according to claim 1, wherein: the arrangement angle between the rocker arms (11) is less than ninety degrees.
3. The tilt adjustment apparatus for multi-frequency antenna according to claim 2, wherein: the first gears (13) are located on the top surface of the upper rocker arm (11) one by one, and are located on the bottom surface of the lower rocker arm (11) the other by one.
4. The tilt adjustment apparatus for multi-frequency antenna according to claim 3, wherein: one rotating shaft (19) penetrates through the rocker arm (11) below and extends downwards, the other rotating shaft penetrates through the rocker arm (11) upwards and extends upwards, the extending parts of the two rotating shafts (19) are respectively connected with the second gears (14), and the two second gears (14) are on the same horizontal plane.
5. The multi-frequency antenna tilt adjustment apparatus of claim 4, wherein: the teeth of the transmission gears (16) are vertically arranged on the axial end faces of the transmission gears, and the extending directions of the teeth of the two transmission gears (16) are opposite.
6. The tilt adjustment apparatus for multi-frequency antenna according to claim 5, wherein: one of the transmission gears (16) is meshed with one side, close to the shaft (21), of the first upper gear (13), and the other one of the transmission gears is meshed with one side, far away from the shaft (21), of the first lower gear (13), so that the rotating directions of the first upper gear and the first lower gear (13) are opposite, and the wall surfaces of the first upper gear and the first lower gear (13) are provided with second limiting elastic rods (161).
7. The tilt adjustment apparatus for multi-frequency antenna of claim 6, wherein: the locking direction of the one-way bearing I (12) is opposite to that of the one-way bearing II (17).
8. The tilt adjustment apparatus for multi-frequency antenna according to claim 7, wherein: and a second limiting elastic rod (161) and a first limiting elastic rod (15) are respectively inserted into grooves of the upper positioning disk and the lower positioning disk (18), and when the first one-way bearing (12), the second one-way bearing (17) and the shaft (21) idle, the first limiting elastic rod (15) and the second limiting elastic rod (161) position the rocker arm (11) and the transmission gear (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020611668.0U CN212517529U (en) | 2020-04-22 | 2020-04-22 | Multi-frequency antenna inclination angle adjusting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020611668.0U CN212517529U (en) | 2020-04-22 | 2020-04-22 | Multi-frequency antenna inclination angle adjusting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212517529U true CN212517529U (en) | 2021-02-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020611668.0U Active CN212517529U (en) | 2020-04-22 | 2020-04-22 | Multi-frequency antenna inclination angle adjusting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212517529U (en) |
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2020
- 2020-04-22 CN CN202020611668.0U patent/CN212517529U/en active Active
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| TR01 | Transfer of patent right |
Effective date of registration: 20221104 Address after: B309, Floor 3, Block B, No. 8 Xueqing Road (Science and Technology Wealth Center), Haidian District, Beijing, 100000 Patentee after: BEIJING XIBAO ELECTRONIC TECHNOLOGY Co.,Ltd. Address before: Room 203, Baten Zhongchuang space, E1 foundation building, phase II, innovation industrial park, Hefei hi tech Zone, Anhui 230000 Patentee before: Anhui Guandong Technology Co.,Ltd. |