CN213184597U - Antenna downward inclination angle adjusting device and antenna - Google Patents
Antenna downward inclination angle adjusting device and antenna Download PDFInfo
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- CN213184597U CN213184597U CN202020801261.4U CN202020801261U CN213184597U CN 213184597 U CN213184597 U CN 213184597U CN 202020801261 U CN202020801261 U CN 202020801261U CN 213184597 U CN213184597 U CN 213184597U
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Abstract
The utility model provides a downtilt adjusting device and antenna of antenna, transmission module and motor module including mutual detachable connection. The transmission module comprises a fixed structure, a gear shifting assembly and a plurality of transmission assemblies. The gear shifting assembly comprises a driving gear, a driven gear, a gear shifting gear plate and a gear shifting gear shaft; each transmission assembly comprises a transmission gear, a transmission screw rod, a transmission nut and a transfer gear. When the gear shifting gear shaft rotates, the gear shifting gear shaft drives the gear shifting gear disc to do circular motion, and further drives the driven gear on the gear shifting gear disc to do planetary motion, so that the driven gear is selectively meshed with one of the transfer gears; when the driving gear rotates, the driven gear, the switching gear, the transmission gear and the corresponding transmission screw which are meshed with each other are sequentially driven to rotate, so that the corresponding transmission nut is electrically adjusted along the linear motion of the transmission screw. Therefore, the utility model discloses downtilt adjusting device's installation is swift with the dismantlement to can reduce the volume of antenna, make things convenient for the antenna overall arrangement and reduce manufacturing cost.
Description
Technical Field
The utility model relates to a mobile communication base station antenna technical field especially relates to a downtilt adjusting device and antenna of antenna.
Background
The mobile antenna is used as a terminal of a mobile communication network, bears the dual functions of electromagnetic wave transmission and reception, namely a carrier for mobile communication signal transmission, and the quality of the application effect directly determines the quality of the mobile communication network. The electrically tunable antenna is a mobile antenna for adjusting the downtilt angle by using electrons, and is widely applied to a mobile communication base station because the electrically tunable antenna can reduce call loss and interference and the accuracy of adjusting the downtilt angle is higher.
In a mobile communication system, in order to optimize radio signals covered by a served area and to suppress mutual interference of same-frequency signals, it is necessary to reasonably adjust a down tilt of a communication antenna of a base station. The electric downtilt is continuously adjusted through a phase shifter serving as a key device of the antenna, an antenna feed network is continuously adjusted, and the phase of each oscillator in the antenna array is continuously changed, so that the continuous adjustment of the electric downtilt of the antenna is realized on the premise that the physical position of the antenna is not changed.
At present, the application of a base station multi-frequency electrically tunable antenna is more and more extensive, the application of a multi-frequency multi-port electrically tunable antenna is increasingly increased, and each phase shifter needs to be provided with an independent transmission and driving motor for realizing the downward inclination angle adjustment of a multi-path phase shifter. The phase shifter in the antenna is driven by a transmission device, and the transmission device is provided with a set of driving motors. For an electrically tunable antenna with a frequency of 2 or more, a plurality of sets of motors are generally required to adjust the downward inclination angle of the antenna. The space that multiunit driving motor occupy is great, and it is comparatively complicated to couple together with transmission, and the installation is complicated with the dismantlement, and it is very inconvenient to use. In addition, if the motor breaks down, need to demolish the maintenance with whole antenna, not only influence the use of antenna and the cost consumes greatly, reduces work efficiency.
In view of the above, the prior art is obviously inconvenient and disadvantageous in practical use, and needs to be improved.
SUMMERY OF THE UTILITY MODEL
To the above-mentioned defect, the utility model aims to provide a downtilt adjusting device and antenna of antenna, its installation is swift with the dismantlement to can reduce the volume of antenna, make things convenient for the antenna overall arrangement and reduce manufacturing cost.
In order to achieve the above object, the utility model provides a downtilt angle adjusting device of an antenna, which comprises a motor module and a transmission module, wherein the motor module is detachably connected inside the transmission module; the motor module comprises a gear shifting motor and an electric adjusting motor; the transmission module comprises a fixed structure, and a gear shifting assembly and a plurality of transmission assemblies which are respectively fixed on the fixed structure;
the gear shifting assembly comprises a driving gear, a driven gear, a gear shifting gear plate and a gear shifting gear shaft; the gear shifting gear plate and the gear shifting gear shaft are meshed with each other and are respectively fixed on the fixed structure, the driving gear and the driven gear are meshed with each other and are respectively fixed on the gear shifting gear plate, the gear shifting gear shaft is driven by the gear shifting motor, and the driving gear is driven by the electric adjusting motor;
each transmission assembly comprises a transmission gear, a transmission screw rod, a transmission nut and a transfer gear; the transmission gears and the transfer gear are meshed with each other and are respectively fixed on the transmission screw rods, the transmission nuts are in threaded connection and match with the transmission screw rods, and the transmission gears are distributed around the gear shifting gear disc of the gear shifting assembly according to a preset angle;
when the gear shifting motor drives the gear shifting gear shaft to rotate, the gear shifting gear plate is driven to do circular motion, and then the driven gear on the gear shifting gear plate is driven to do planetary motion, so that the driven gear is selectively meshed with the switching gear of one of the transmission assemblies;
when the electric tuning motor drives the driving gear to rotate, the driven gear, the switching gear, the transmission gear and the corresponding transmission screw which are meshed with each other are sequentially driven to rotate, so that the corresponding transmission nut is electrically tuned along the linear motion of the transmission screw.
According to the utility model discloses the downtilt angle adjusting device of antenna, every transmission assembly still including with the parallel guiding axle of drive screw, be equipped with on the fixed knot structure with guiding axle complex slotted hole, just drive nut with guiding axle interconnect.
According to the utility model, one end of the transmission screw is provided with the transmission gear, the middle of the transmission screw is provided with the transmission nut, and the other end of the transmission screw is provided with the worm feature; the transmission assembly further comprises a helical gear and a circular angle scale installed on the helical gear, the helical gear is matched with the worm through characteristic threads, and when the transmission screw rotates, the helical gear is driven to rotate with the circular angle scale.
According to downtilt angle adjusting device of antenna, the quantity of the frequency gear of transmission assembly and antenna equals, every the transmission assembly corresponds one the frequency gear.
According to downtilt angle adjusting device of antenna, the gear shifting dish with drive gear is the setting of concentric axis.
According to the utility model, the antenna has a declination angle adjusting device, the fixing structure comprises a cover plate and a supporting seat which are fixed with each other; the gear shifting assembly and the transmission assembly of the transmission module are axially fixed on the cover plate respectively, and the motor module is fixed on the supporting seat.
According to the utility model, the transmission module is provided with a gear shifting interface and an electric adjusting interface, and the gear shifting interface is detachably connected with the gear shifting motor and the gear shifting gear shaft respectively; the electric adjusting interface is detachably connected with the electric adjusting motor and the driving gear respectively.
According to the utility model discloses the angle of declination adjusting device of antenna, the interface of shifting the interface is transferred to electricity with the switching gear is fixed in on the supporting seat.
According to the utility model, the antenna has a declination angle adjusting device, the gear shifting assembly also comprises a baffle and a gear plate cover plate; the gear shifting interface, the electrically-adjusted interface, the gear shifting gear shaft and the transfer gear are fixed on the supporting seat by the baffle; the gear plate cover plate limits the driven gear to the gear shifting gear plate, so that the driven gear is meshed with the driving gear.
The utility model discloses still provide one kind including arbitrary the antenna of downtilt adjusting device.
The utility model discloses inclination adjusting device's motor module adopts with drive module can dismantle connected mode, consequently the installation with dismantle all more swiftly convenient. When the motor module is abnormal, the motor module is only required to be pulled down from the lower inclination angle adjusting device for overhauling or replacing, the antenna is not required to be disassembled, and the later maintenance cost is greatly reduced. The gear shifting assembly of the transmission module comprises a driving gear, a driven gear, a gear shifting gear plate and a gear shifting gear shaft; the gear shifting gear plate and the gear shifting gear shaft are meshed with each other and are respectively fixed on the fixed structure, and the driving gear and the driven gear are meshed with each other and are respectively fixed on the gear shifting gear plate; when the gear shifting gear shaft rotates, the gear shifting gear disc is driven to do circular motion, and then the driven gear on the gear shifting gear disc is driven to do planetary motion, so that the driven gear is selectively meshed with the switching gear of one of the transmission assemblies. The utility model discloses a motor module and a subassembly of shifting just can drive a plurality of drive assembly. The gear shifting assembly can realize the meshing of the gear shifting gear shaft and the transmission gears at different positions through the gear shifting movement of the gear shifting gear plate and the gear shifting gear shaft, the downward inclination adjustment of the multi-band antenna can be completed through one gear shifting assembly only by increasing gears, a plurality of groups of motors and transmission devices do not need to be installed in the antenna, the size of the antenna can be reduced, the antenna layout is convenient, and the manufacturing cost is reduced. Additionally, the utility model discloses downtilt angle scale can be transferred to downtilt angle adjusting device's angle display device real-time display electricity, and its rotatory working method does not occupy unnecessary space.
Drawings
Fig. 1 is a schematic structural view of a downtilt adjusting device of an antenna according to the present invention;
fig. 2 is a schematic structural diagram of a motor module of the downtilt adjusting device of the antenna of the present invention;
fig. 3 is a schematic structural diagram of a transmission module of the downtilt adjustment device of the antenna of the present invention;
fig. 4 is one of the schematic structural diagrams of the gear shift assembly of the downtilt adjustment device of the antenna of the present invention;
fig. 5 is a second schematic structural diagram of a gear shift assembly of the downtilt adjustment device of the antenna of the present invention;
fig. 6 is a third schematic structural diagram of a gear shift assembly of the downtilt adjustment device of the antenna of the present invention;
fig. 7 is a schematic structural diagram of a transmission assembly of the downtilt adjustment device of the antenna of the present invention;
fig. 8 is a schematic structural diagram of an angle display device of the downtilt adjustment device of the antenna of the present invention;
fig. 9 is a schematic structural diagram of the downtilt adjustment device of the antenna and the use state of the antenna of the present invention.
Reference numerals:
a lower inclination angle adjusting device 1; a motor module 11; a shift motor 111;
an electric tuning motor 112; a transmission module 12; a cover plate 121;
a shift assembly 122; a baffle 1221; a gear plate cover 1222;
a transfer gear 1223; shift gear plate 1224; a shift gear shaft 1225;
a drive gear 1226; a driven gear 1227; a drive assembly 123;
a guide shaft 1231; a drive gear 1232; a drive nut 1233;
a drive screw 1234; a helical gear 1235; a support base 124;
a circular angle scale 125; a shift interface 126; an electrical tuning interface 127;
a clamp spring 128; an antenna 2.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
It should be noted that references in the specification to "one embodiment," "an example embodiment," etc., indicate that the embodiment described may include a particular feature, structure, or characteristic, but every embodiment may not necessarily include the particular feature, structure, or characteristic. Moreover, such phrases are not intended to refer to the same embodiment. Further, when a particular feature, structure, or characteristic is described in connection with an embodiment, it is submitted that it is within the knowledge of one skilled in the art to effect such feature, structure, or characteristic in connection with other embodiments whether or not explicitly described.
Moreover, where certain terms are used throughout the description and following claims to refer to particular components or features, those skilled in the art will understand that manufacturers may refer to a component or feature by different names or terms. This specification and the claims that follow do not intend to distinguish between components or features that differ in name but not function. In the following description and in the claims, the terms "include" and "comprise" are used in an open-ended fashion, and thus should be interpreted to mean "include, but not limited to. In addition, the term "connected" as used herein includes any direct and indirect electrical connection. Indirect electrical connection means include connection by other means.
Fig. 1 to 9 show a preferred structure of the lower inclination angle adjusting device of the antenna of the present invention, the lower inclination angle adjusting device 1 includes a motor module 11 and a transmission module 12, and the motor module 11 is detachably connected inside the transmission module 12. The motor module 11 outputs power to drive the transmission module 12 to complete the electric tilt down of the antenna.
As shown in fig. 2, the motor module 11 includes a shift motor 111 and an electric tilt motor 112. The two motors work independently and respectively provide power for the transmission module 12 without mutual interference.
As shown in fig. 3, the transmission module 12 includes a fixed structure, and a shift assembly 122 and a plurality of transmission assemblies 123 respectively fixed to the fixed structure. The fixing structure preferably comprises a cover plate 121 and a support 124 fixed to each other. The shifting assembly 122 and the transmission assembly 123 of the transmission module 12 are axially fixed on the cover plate 121 by snap springs 128, respectively, and the motor module 11 is fixed on the support base 124. The utility model discloses the quantity of the frequency gear of transmission assembly 123 and antenna equals, and every transmission assembly 123 corresponds a frequency gear. Preferably, the antenna in this embodiment has six frequency steps, which can be used to adjust the antenna with six frequencies, and the transmission module 12 correspondingly includes six sets of transmission components 123. Obviously, the antenna may also be provided with two, three, four, five, seven or more frequency steps and corresponding transmission components 123 according to actual requirements.
As shown in fig. 4 to 6, the shift assembly 122 includes a driving gear 1226, a driven gear 1227, a shift gear plate 1224, and a shift gear shaft 1225. Gear shift gear dish 1224 and gear shift shaft 1225 mesh each other and are fixed in fixed knot respectively on, and drive gear 1226 and driven gear 1227 mesh each other and are fixed in gear shift gear dish 1224 respectively, and gear shift shaft 1225 is driven by gear shift motor 111, and drive gear 1226 is driven by electricity accent motor 112. Preferably, the shift gear plate 1224 and the drive gear 1226 are arranged concentrically.
As shown in fig. 7, each drive assembly 123 includes a drive gear 1232, a drive screw 1234, a drive nut 1233, and an adaptor gear 1223. The driving gears 1232 and the transfer gears 1223 are engaged with each other and fixed to the driving screws 1234, respectively, the driving nuts 1233 are screw-coupled to the driving screws 1234, and the plurality of driving gears 1232 are distributed around the shift gear disc 1224 of the shift assembly 122 at a predetermined angle. In the present embodiment, six transmission gears 1232 are arranged circumferentially in a predetermined angular relationship on the shifting movement stroke of the shift gear plate 1224. Specifically, the six transmission gears 1232 of the six sets of transmission assemblies 123 are uniformly distributed around the gear shifting assembly 122 according to the preset angle, and can be indirectly meshed with the driven gear 1227 through the transfer gear 1223; when the gear shifting interface 126 drives the gear shifting shaft 1225 engaged therewith to move circularly, the gears on the gear shifting shaft 1225 drive the gears on the gear shifting gear plate 1224 to move together, thereby driving the driven gear 1227 to move in a planetary motion.
The shift gear shaft 1225 is driven by the shift motor 111 to perform a shifting motion. When the gear shifting motor 111 drives the gear shifting shaft 1225 to rotate, the gear shifting plate 1224 engaged with the gear shifting shaft 1225 is driven to perform circular motion, and further the driven gear 1227 mounted on the gear shifting plate 1224 is driven to perform planetary motion (i.e., circular motion), and after the driven gear 1227 moves to a target position, the driven gear 1227 is selectively engaged with the transfer gear 1223 of one of the transmission assemblies 123.
The driving gear 1226 is driven by the electric tilt motor 112 to rotate. When the electric tuning motor 112 drives the driving gear 1226 to rotate, the driven gear 1227, the transfer gear 1223, the transmission gear 1232 and the corresponding transmission screw 1234, which are engaged with each other, are sequentially driven to rotate, so that the corresponding transmission nut 1233 is electrically tuned along the linear motion of the transmission screw 1234. Specifically, the electrically tunable motor 112 drives the driving gear 1226 to perform circular motion, the driving gear 1226 rotates to drive the engaged driven gear 1227 to rotate, the rotated driven gear 1227 drives the engaged transfer gear 1223 to rotate, the rotated transfer gear 1223 drives the engaged transmission gear 1232 to rotate, the rotated transmission gear 1232 drives the transmission screw 1234 to rotate, and the transmission nut 1233 can linearly move along the transmission screw 1234 due to the threaded connection between the transmission nut 1233 and the transmission screw 1234.
The utility model discloses downtilt adjusting device 1 just can drive the motion of a plurality of drive assembly 123 through a motor module 11 and a subassembly 122 of shifting to accomplish and move looks ware to the electricity of multifrequency antenna and transfer. The phase shifter continuously adjusts the antenna feed network and continuously changes the phase of each oscillator in the antenna array.
The utility model discloses an utilize the planetary gear principle, install driven gear 1227 on gear shifting wheel 1224 (sun gear promptly) and can be circular motion along with gear shifting wheel 1224, driven gear 1227 meshes with gear shifting wheel 1224 endocentric drive gear 1226 simultaneously, and drive screw 1234 that has transfer gear 1223 is according to certain angle equipartition around gear shifting wheel 1224. The gear shifting wheel 1224 can rotate the driven gear 1227 to a position engaged with the transfer gear 1223 by a set rotation angle, so that the driving gear 1226 can drive the transfer gear 1223 to move, and finally drive the driving screw 1234 to move, and the guide shaft 1231 connected to the driving nut 1233 provides a guide function for the movement of the driving nut 1233 and also provides the capacity of a transfer phase shifter; also, the shift gear shaft 1225 and the driving gear 1226 have a butt joint to be connected to the motor module 11.
The utility model discloses downtilt adjusting device 1's advantage includes at least:
(1) the utility model discloses a motor module 11 and transmission module 12 can be dismantled and be connected, and the installation of whole downtilt adjusting device 1 is all more swift with the dismantlement, appears unusually when motor module 11, only needs to pull it down from whole device and overhauls or change, need not to dismantle the antenna, greatly reduced the maintenance cost in later stage.
(2) The utility model discloses a gear shift gear dish 1224, gear shift shaft 1225's the motion of shifting can realize gear shift gear shaft 1225 and different position drive gear 1232's meshing, only need increase the gear, can accomplish the regulation of having a down dip of multifrequency section antenna through a subassembly 122 of shifting, need not to install multiunit motor and transmission in the antenna, can reduce the volume of antenna, makes things convenient for the antenna overall arrangement and reduces manufacturing cost.
As shown in fig. 7, the utility model discloses downtilt angle adjusting device 1 is in order to guarantee the electricity of antenna and to and guide drive nut 1233 smoothly along drive screw 1234 linear motion, and preferred every drive assembly 123 is still including the guiding axle 1231 parallel with drive screw 1234, be equipped with on the fixed knot structure with guiding axle 1231 complex slotted hole, and drive nut 1233 and guiding axle 1231 interconnect. More preferably, the fixing structure preferably includes a cover plate 121 and a support 124 fixed to each other. The cover plate 121 and the support 124 have slots for engaging the guide shaft 1231, so that the guide shaft 1231 can move linearly between the cover plate 121 and the support 124.
It should be noted that, for the antenna of other frequencies, the utility model discloses downtilt angle adjusting device 1 is still applicable, only needs to increase or reduce the gear according to the frequency of waiting to adjust the antenna, correspondingly increase or reduce the group number of drive assembly 123 can. The multiple sets of transmission assemblies 123 can be driven to move by one motor module 11 and one set of gear shifting assemblies 122, so that the phase shifter electrically tunes the multi-frequency antenna.
Preferably, the drive assembly 123 further includes an angle display, as shown in fig. 7, that includes a worm feature, a helical gear 1235, and a circular angle scale 125. One end of the driving screw 1234 is provided with a driving gear 1232, the middle of the driving screw 1234 is provided with a driving nut 1233, and the other end of the driving screw 1234 is provided with a worm feature. The transmission assembly 123 further includes a helical gear 1235 and a circular angle scale 125 installed on the helical gear 1235, the helical gear 1235 is in threaded fit with the worm, the transmission screw 1234 rotates to drive the helical gear 1235 and the circular angle scale 125 to rotate, and the circular angle scale 125 can display the electric tilt angle in real time. The utility model discloses downtilt angle adjustment device's angle display device can show in real time that electricity is transferred and has become the downtilt angle scale, and its rotatory working method does not occupy unnecessary space.
As shown in fig. 3, a gear shifting interface 126 and an electrical adjusting interface 127 are provided on the transmission module 12, and the gear shifting interface 126 is detachably connected, preferably connected to a gear shifting motor 111 and a gear shifting gear shaft 1225. Electrically tunable interface 127 is detachably connected with electrically tunable motor 112 and drive gear 1226, respectively. The gear shifting interface 126, the electric adjusting interface 127 and the transfer gear 1223 are fixed on the supporting seat 124. Preferably, the shifting interface 126 and the electrically adjustable interface 127 are installed between the cover plate 121 and the support seat 124.
As shown in fig. 4, in order to facilitate the assembly of the shift assembly 122 and the overall stability of the shift assembly 122 during the antenna tuning process, the shift assembly 122 further includes a baffle 1221 and a gear plate cover 1222. The baffle 1221 fixes the shift interface 126, the electrical tuning interface 127, the shift gear shaft 1225 and the transfer gear 1223 to the support base 124. The gear plate cover 1222 restrains the driven gear 1227 on the shift gear plate 1224, causing the driven gear 1227 and the drive gear 1226 to mesh with each other.
The utility model discloses downtilt adjusting device 1 makes whole adjusting device assemble simple and fast ground because motor module 11 is connected with transmission module 12's plug-in. And when the motor module 11 is abnormal and can not work normally, as shown in fig. 9, the damaged motor module 11 is only required to be pulled out from the transmission module 12 arranged in the antenna, and the new motor module 11 is replaced without detaching the antenna 2, so that the later maintenance cost is greatly reduced, and the damage to the antenna 2 is also reduced.
The utility model discloses still provide an antenna 2 including the downtilt adjusting device 1 that is shown as figure 1 ~ 9.
To sum up, the utility model discloses inclination adjusting device's motor module adopts with transmission module can dismantle connected mode, consequently the installation with dismantle all more swiftly convenient. When the motor module is abnormal, the motor module is only required to be pulled down from the lower inclination angle adjusting device for overhauling or replacing, the antenna is not required to be disassembled, and the later maintenance cost is greatly reduced. The gear shifting assembly of the transmission module comprises a driving gear, a driven gear, a gear shifting gear plate and a gear shifting gear shaft; the gear shifting gear plate and the gear shifting gear shaft are meshed with each other and are respectively fixed on the fixed structure, and the driving gear and the driven gear are meshed with each other and are respectively fixed on the gear shifting gear plate; when the gear shifting gear shaft rotates, the gear shifting gear disc is driven to do circular motion, and then the driven gear on the gear shifting gear disc is driven to do planetary motion, so that the driven gear is selectively meshed with the switching gear of one of the transmission assemblies. The utility model discloses a motor module and a subassembly of shifting just can drive a plurality of drive assembly. The gear shifting assembly can realize the meshing of the gear shifting gear shaft and the transmission gears at different positions through the gear shifting movement of the gear shifting gear plate and the gear shifting gear shaft, the downward inclination adjustment of the multi-band antenna can be completed through one gear shifting assembly only by increasing gears, a plurality of groups of motors and transmission devices do not need to be installed in the antenna, the size of the antenna can be reduced, the antenna layout is convenient, and the manufacturing cost is reduced. Additionally, the utility model discloses downtilt angle scale can be transferred to downtilt angle adjusting device's angle display device real-time display electricity, and its rotatory working method does not occupy unnecessary space.
Naturally, the present invention can be embodied in many other forms without departing from the spirit or essential attributes thereof, and it should be understood that various changes and modifications can be made by one skilled in the art without departing from the spirit or essential attributes thereof, and it is intended that all such changes and modifications be considered as within the scope of the appended claims.
Claims (10)
1. The downtilt angle adjusting device of the antenna is characterized by comprising a motor module and a transmission module, wherein the motor module is detachably connected inside the transmission module; the motor module comprises a gear shifting motor and an electric adjusting motor; the transmission module comprises a fixed structure, and a gear shifting assembly and a plurality of transmission assemblies which are respectively fixed on the fixed structure;
the gear shifting assembly comprises a driving gear, a driven gear, a gear shifting gear plate and a gear shifting gear shaft; the gear shifting gear plate and the gear shifting gear shaft are meshed with each other and are respectively fixed on the fixed structure, the driving gear and the driven gear are meshed with each other and are respectively fixed on the gear shifting gear plate, the gear shifting gear shaft is driven by the gear shifting motor, and the driving gear is driven by the electric adjusting motor;
each transmission assembly comprises a transmission gear, a transmission screw rod, a transmission nut and a transfer gear; the transmission gears and the transfer gear are meshed with each other and are respectively fixed on the transmission screw rods, the transmission nuts are in threaded connection and match with the transmission screw rods, and the transmission gears are distributed around the gear shifting gear disc of the gear shifting assembly according to a preset angle;
when the gear shifting motor drives the gear shifting gear shaft to rotate, the gear shifting gear plate is driven to do circular motion, and then the driven gear on the gear shifting gear plate is driven to do planetary motion, so that the driven gear is selectively meshed with the switching gear of one of the transmission assemblies;
when the electric tuning motor drives the driving gear to rotate, the driven gear, the switching gear, the transmission gear and the corresponding transmission screw which are meshed with each other are sequentially driven to rotate, so that the corresponding transmission nut is electrically tuned along the linear motion of the transmission screw.
2. The downward inclination angle adjusting device of claim 1, wherein each of the transmission assemblies further comprises a guide shaft parallel to the transmission screw, the fixing structure is provided with a slot hole matched with the guide shaft, and the transmission nut is connected with the guide shaft.
3. The downward inclination angle adjusting device of the antenna according to claim 1, wherein one end of the transmission screw is provided with the transmission gear, the middle of the transmission screw is provided with the transmission nut, and the other end of the transmission screw is provided with a worm feature; the transmission assembly further comprises a helical gear and a circular angle scale installed on the helical gear, the helical gear is matched with the worm through characteristic threads, and when the transmission screw rotates, the helical gear is driven to rotate with the circular angle scale.
4. The downtilt adjustment device for an antenna according to claim 1, wherein the number of frequency steps of the transmission assembly and the antenna is equal, and each transmission assembly corresponds to one frequency step.
5. The downward inclination angle adjusting device of claim 1, wherein the gear shifting wheel disk and the driving gear are coaxially arranged.
6. The downward inclination angle adjusting apparatus according to claim 1, wherein the fixing structure comprises a cover plate and a supporting base fixed to each other; the gear shifting assembly and the transmission assembly of the transmission module are axially fixed on the cover plate respectively, and the motor module is fixed on the supporting seat.
7. The downward inclination angle adjusting device of the antenna according to claim 6, wherein a gear shifting interface and an electric adjusting interface are arranged on the transmission module, and the gear shifting interface is detachably connected with the gear shifting motor and the gear shifting gear shaft respectively; the electric adjusting interface is detachably connected with the electric adjusting motor and the driving gear respectively.
8. The downward inclination angle adjusting device of claim 7, wherein the gear shifting interface, the electrically tunable interface and the transfer gear are fixed on the support base.
9. The downtilt adjustment device of an antenna according to claim 8, wherein the shifting assembly further comprises a baffle plate and a gear plate cover plate; the gear shifting interface, the electrically-adjusted interface, the gear shifting gear shaft and the transfer gear are fixed on the supporting seat by the baffle; the gear plate cover plate limits the driven gear to the gear shifting gear plate, so that the driven gear is meshed with the driving gear.
10. An antenna comprising the downtilt adjustment device according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020801261.4U CN213184597U (en) | 2020-05-14 | 2020-05-14 | Antenna downward inclination angle adjusting device and antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020801261.4U CN213184597U (en) | 2020-05-14 | 2020-05-14 | Antenna downward inclination angle adjusting device and antenna |
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| Publication Number | Publication Date |
|---|---|
| CN213184597U true CN213184597U (en) | 2021-05-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020801261.4U Active CN213184597U (en) | 2020-05-14 | 2020-05-14 | Antenna downward inclination angle adjusting device and antenna |
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| Country | Link |
|---|---|
| CN (1) | CN213184597U (en) |
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2020
- 2020-05-14 CN CN202020801261.4U patent/CN213184597U/en active Active
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