CN109347247B - Electrically-controlled antenna transmission device - Google Patents
Electrically-controlled antenna transmission device Download PDFInfo
- Publication number
- CN109347247B CN109347247B CN201811099856.3A CN201811099856A CN109347247B CN 109347247 B CN109347247 B CN 109347247B CN 201811099856 A CN201811099856 A CN 201811099856A CN 109347247 B CN109347247 B CN 109347247B
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- transmission
- input shaft
- gear
- screw
- position selecting
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/06—Means for converting reciprocating motion into rotary motion or vice versa
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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
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/10—Structural association with clutches, brakes, gears, pulleys or mechanical starters
- H02K7/116—Structural association with clutches, brakes, gears, pulleys or mechanical starters with gears
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Transmission Devices (AREA)
Abstract
The invention discloses an electric tuning antenna transmission device which is characterized by comprising a position selection transmission assembly, a screw transmission assembly and a pull rod, wherein the position selection transmission assembly is connected with an electric tuning controller, the screw transmission assembly comprises a transmission screw, a screw and a transmission screw gear arranged on the transmission screw, the screw transmission assembly is connected with a phase shifter through the pull rod, the position selection transmission assembly comprises a position selection connecting shaft sleeve, a front cavity, a position selection input shaft, a transmission connecting shaft sleeve, a transmission input shaft, an idler pulley, a transmission driven wheel, a position selection part and a rear cavity, the electric tuning controller is connected with the position selection input shaft through the position selection connecting shaft sleeve, the position selection input shaft is provided with a position selection input shaft gear, the position selection slide plate is provided with a position selection rack meshed with the position selection input shaft gear, and the position selection gear is arranged on the position selection slide plate. The electric tuning antenna transmission device adopts the double-motor controller to control the adjustment of a plurality of groups of phase shifters, and has the advantages of simple structure, low cost, light weight, small size and convenient batch manufacture.
Description
Technical Field
The invention relates to the technical field of antenna equipment, in particular to an electrically tunable antenna.
Background
In the current mobile communication system, the electric downtilt angle of the radiation surface of the electrically-tunable antenna is correspondingly adjusted according to the phase change of the radiation unit of the antenna. The phase shifter in the antenna is driven by the transmission device to change the phase and amplitude of each radiation unit, so that the parameters such as the phase, horizontal component, vertical component amplitude and the like of the antenna are changed, and the effect of changing the coverage area is achieved. The electric adjusting antenna realizes the automatic control of the electric downtilt angle of the antenna through the operation of the electric adjusting controller unit and the mechanical transmission device. In a conventional mechanical control system, different phase shifters are controlled by corresponding RCU driving motors, and each group of phase shifters needs a motor to provide power, so that the motor torque is converted into linear motion by a set of transmission structural members to drive the phase shifters. When the multi-frequency multi-channel antenna is required to be arranged, the transmission mode of the multi-frequency multi-channel antenna is the structure superposition of a single-frequency single-channel antenna, namely, a group of phase shifters are independently controlled by one motor, for the multi-frequency multi-channel antenna, RCU (radio frequency unit) with a plurality of motors is required to be configured for realizing independent adjustment of a plurality of groups of phase shifters, and the cost of the antenna is increased due to high price and large volume of the motors, and the defects of complex structure, inconvenient production and the like exist.
Disclosure of Invention
The invention aims to solve the defects of the prior art and provides the electrically tunable antenna transmission device which has the advantages of simple structure, convenient manufacture, low cost, light weight, small size and reliable quality.
The invention adopts the following technical proposal to realize the aim: the electric tuning antenna transmission device is characterized by comprising a position selection transmission assembly, a screw transmission assembly and a pull rod, wherein the position selection transmission assembly is connected with an electric tuning controller, the screw transmission assembly is connected with a phase shifter through the pull rod, the screw transmission assembly comprises a transmission screw, a screw and a transmission screw gear arranged on the transmission screw, the position selection transmission assembly comprises a position selection connecting shaft sleeve, a front cavity, a position selection input shaft, a transmission connecting shaft sleeve, a transmission input shaft, an idler pulley, a transmission driven wheel, a position selection part and a rear cavity, the electric tuning controller is connected with the position selection input shaft through the position selection connecting shaft sleeve, the position selection input shaft is provided with a position selection input shaft gear, the position selection part comprises a position selection slide plate and a position selection gear, the position selection slide plate is provided with a position selection rack meshed with the position selection input shaft gear, the position selection rack converts rotation input by the position selection input shaft into linear motion, and the position selection gear is meshed with the transmission screw gear, so that the position selection of the transmission screw can be completed;
the motor controller is connected with a transmission input shaft through a transmission connecting shaft sleeve, the transmission input shaft is continuously meshed with a transmission driven wheel and an idler wheel through transmission input shaft gears, the input rotary motion is transmitted to a position selecting gear of a position selecting component, the position selecting gear is meshed with a transmission screw gear after the position selecting action, and the input rotary motion is transmitted to the transmission screw.
As a further explanation of the scheme, the transmission screw is connected with a pull rod connecting piece in a threaded manner, the pull rod connecting piece is connected with the pull rod, the spiral motion of the transmission screw is converted into the linear motion of the pull rod, a connecting mechanism is arranged between the pull rod and the phase shifter, and the phase shifter is driven to be adjusted through the pull rod.
Further, the two ends of the transmission screw are respectively provided with a front stop sleeve and a rear stop sleeve, and the pull rod connecting piece is sleeved on the transmission screw and is arranged between the front stop sleeve and the rear stop sleeve; the driving screw is provided with a guide shaft in parallel outside, and the pull rod connecting piece is provided with a guide hole corresponding to the guide shaft.
Further, the position selecting input shaft, the transmission input shaft, the idler wheel, the transmission driven wheel, the position selecting component and the transmission screw are all arranged in a cavity formed by the front cavity and the rear cavity, and the mutual transmission fit is the transmission fit of gear and gear engagement and gear and rack engagement, and the shaft is matched with the shaft sleeve.
Further, a sliding block guide groove is formed in a cavity formed by the front cavity and the rear cavity, the position selection sliding plate is movably arranged in the sliding block guide groove and can do horizontal linear motion, and a position selection left stop surface and a position selection right stop surface are respectively arranged at two ends of the front cavity and the rear cavity and serve as starting and stopping positions of the position selection sliding plate in linear motion.
Further, two rows of racks are arranged on the position selection slide plate, two position selection input shaft gears are arranged on the position selection input shaft, and the position selection input shaft gears are meshed with the racks so as to drive the position selection slide plate to do linear motion.
Further, the position selecting gear is fixed on the position selecting slide plate through a position selecting gear shaft and can rotate around the shaft.
Further, the transmission input shaft comprises 3 transmission input shaft gears, wherein one transmission input shaft gear is meshed with one transmission driven wheel, and the transmission driven wheel is meshed with one idle wheel to transmit the rotation motion input by the transmission input shaft; the other gear is meshed with the other driven transmission wheel, the other driven transmission wheel is meshed with one gear on the other idle wheel, and the rotary motion is transmitted until the rotary motion is transmitted to the gear of the transmission screw rod to be adjusted.
Further, the position selecting connecting shaft sleeve and the transmission connecting shaft sleeve which are connected with the motor controller are connected with the transmission input shaft and the position selecting input shaft through fasteners and are used for transmitting the rotary motion output by the motor controller.
Further, each group of phase shifters is connected with a pull rod of the antenna transmission device through a phase shifter connecting mechanism, and the motion output of the transmission screw corresponds to each group of phase shifters to be adjusted.
The beneficial effects achieved by adopting the technical proposal of the invention are as follows:
1. the invention adopts the electric modulation controller of 2 motors to drive, the position selection is separated from the transmission output, 1 group to a plurality of groups of phase shifters can be controlled, and the invention adopts a multi-part packaging structure, has simple structure, low cost and convenient production.
2. According to the invention, the structures of the position selecting component and the transmission screw which convert rotary motion into horizontal linear motion are horizontally arranged in a single layer, and according to practice, compared with the prior art, the structure saves the space on the back of the antenna, reduces the thickness dimension of the antenna, effectively reduces the volume of the antenna, further reduces the wind resistance of the antenna and improves the reliability of the antenna.
3. The invention converts rotary motion into horizontal linear motion, the position selecting component and the transmission screw structure are arranged horizontally in a single layer, the number of idler wheels, transmission driven wheels, position selecting gears and transmission screws can be increased, the invention can be expanded to control more groups of phase shifters, the invention is not limited by the number of phase shifter components, the quality is reliable, and the product application range is wide.
Drawings
Fig. 1 is a schematic diagram of an electrically tunable antenna phase shifter according to an embodiment of the present invention;
FIG. 2 is a perspective view of an electrically tunable antenna transmission according to an embodiment of the present invention;
FIG. 3 is an exploded view of an electrically tunable antenna transmission according to an embodiment of the present invention;
fig. 4 and fig. 5 are internal views of an electrically tunable antenna transmission according to an embodiment of the present invention from different viewing angles;
FIG. 6 is a block diagram of a select input shaft according to an embodiment of the present invention;
FIG. 7 is a block diagram of a transmission input shaft according to an embodiment of the invention;
FIG. 8 is a diagram of a front cavity structure of an embodiment of the present invention;
fig. 9 is a rear cavity block diagram of an embodiment of the present invention.
Reference numerals illustrate:
1. the gear selector comprises a gear selector drive assembly 2, a screw drive assembly 3, a pull rod 4, a phase shifter 5, an electric adjustment controller 11, a connecting sleeve 12, a front cavity 13, a gear selector input shaft 14, a transmission input shaft 15, an idler pulley 16, a transmission driven pulley 17, a gear selector part 18, a transmission screw 19, a rear cavity 21, a gasket 22, a clamp spring 23, a front stop sleeve 24, a pull rod connecting piece 25, a guide shaft 26, a rear stop sleeve 27, a transmission screw fixing seat 111, a transmission connecting sleeve 112, a gear selector connecting sleeve 121, a gear selector fixing sleeve 122, an idler pulley fixing sleeve 123, a gear selector input shaft fixing sleeve 124, a transmission input shaft fixing sleeve 125, a gear selector left stop surface 126, a gear selector right stop surface 127, a slide plate guide groove 128, a transmission screw fixing shaft 131, a gear selector input shaft fixing sleeve 132, 133, gear position input shaft connection, 134, gear position input shaft connection, 141, gear position input, 142, gear position input shaft gear, 143, gear position input shaft gear, 144, third gear input shaft gear, 145, gear position input, 146, gear position input shaft connection, 151, 1 st idler, 152, 2 nd idler, 153, 3 rd idler, 154, 4 th idler, 161, 1 st driven wheel, 162, 2 nd driven wheel, 163, 3 rd driven wheel, 164, 4 th driven wheel, 165, 5 th driven wheel, 166, 6 th driven wheel, 171, gear position gear shaft, 172, gear position slide plate, 173, gear position gear, 181, drive screw gear, 182, drive screw threads, 191, gear position left stop face, 192, gear position right stop face, 193, slide plate guide slot, 194, 195. the gear comprises a transmission input shaft fixing sleeve 196, a position selection input shaft fixing shaft 197, a transmission driven wheel fixing shaft 198, a transmission screw fixing sleeve 1721, a position selection rack 1722, a front position selection guide rail 1723, a rear position selection guide rail 1724 and a position selection gear shaft fixing sleeve.
Detailed Description
The present technical solution is described in detail below with reference to specific embodiments.
Referring to fig. 1, 2 and 3, the application scheme of the invention is composed of the following steps: a position selecting transmission assembly 1, a screw transmission assembly 2, a pull rod 3, a phase shifter 4 and an electric adjustment controller 5. The position selecting motor of the electric adjusting controller 5 outputs rotary motion to the position selecting transmission assembly 1 to finish the position selecting of a certain transmission screw 18 in the screw transmission assembly 2, and the transmission motor of the electric adjusting controller 5 outputs rotary motion to the position selecting transmission assembly 1 to finish the motion transmission of the certain transmission screw 18 in the screw transmission assembly 2, and the transmission screw 18 drives the corresponding phase shifter 4 to finish the adjustment through the movement of the pull rod 3.
Specific:
1) Referring to fig. 3, 4, 5, 6 and 7, the electrically adjustable controller 5 transmits the rotation motion of the position selecting motor to the position selecting input shaft 13 through the position selecting connecting shaft sleeve 112, the position selecting input shaft gear 132 on the position selecting input shaft 13 converts the input rotation motion into linear motion through meshing with the position selecting rack 1721 of the position selecting slide plate 172, and drives the position selecting gear 173 on the position selecting component 17 to mesh with the driving screw gear 181 on the driving screw 18, so that the position selecting of the driving screw 18 can be completed, the continuous motion can be performed, and the position selecting can be performed for each driving screw 18.
2) Referring to fig. 3, 4, 5, 6 and 7, the electric controller 5 transmits the rotation motion of the transmission motor to the transmission input shaft 14 through the transmission connection shaft sleeve 111, and the second transmission input shaft gear 143 and the third transmission input shaft gear 144 on the transmission input shaft 14 transmit the input rotation motion to the position selecting gear 173 of the position selecting member 17 through continuous meshing with the transmission driven wheel 16 and the idle wheel 15, and the position selecting gear 173 meshes with the gear 181 of the transmission screw 18 after the aforementioned position selecting operation, and transmits the input rotation motion to the transmission screw 18.
3) Referring to fig. 1, 2, 3, 4 and 5, the driving screw thread 182 on the driving screw 18 is matched with the screw connection of the pull rod connecting piece 24, the pull rod connecting piece 24 is connected with the pull rod 3, the screw motion of the driving screw 18 is converted into the linear motion of the pull rod 3, and the pull rod 3 drives the phase shifter 4 to adjust through the connecting mechanism assembled on the pull rod 3 and the phase shifter 4.
4) Further, referring to fig. 3, 4, 5, 6, 7, 8, and 9, when the selector input shaft 13 is rotated reversely, the selector input shaft gear 132 on the selector input shaft 13 engages the selector rack 1721 of the selector slide 172, and then the front selector guide 1722 and the rear selector guide 1723 are used to drive the whole selector 17 to move rightward in the slide guide 127 of the front cavity 12 and the slide guide 193 of the rear cavity 19, the selector 17 stops moving when moving to the selector right stop surface 126 of the front cavity 12 and the selector right stop surface 192 of the rear cavity 19, which is the selector calibration point 1, when the selector input shaft 13 is rotated reversely, the selector input shaft gear 132 on the selector input shaft 13 engages the selector rack 1721 of the selector 17 to drive the whole selector 17 to move rightward in the slide guide 127 of the front cavity 12 and the slide guide 193 of the rear cavity 191, and the selector 17 stops rotating to the selector left stop point 17 when moving to the selector left stop surface 125 of the front cavity 12 and the selector right stop surface 191 of the rear cavity 19, which is the selector 17 is the selector 2 is calibrated. The calibrated position selecting input shaft 13 can continue to rotate forward or reverse according to the parameters set by the electric controller 5, so that one of the position selecting gears 173 of the position selecting component 17 selects one of the gears 181 of the driving screw 18 to be meshed, and the position selecting of the driving screw 18 is completed. According to different preset parameters of the electric adjustment controller, any one drive screw 18 can be selected.
5) Further, as shown in fig. 3, 4, 5, 6, 7, 8, 9, when the transmission input shaft 14 is in forward rotation, the second transmission input shaft gear 143 on the transmission input shaft 14 engages the 2 nd transmission driven wheel 162 and the third transmission input shaft gear 144 engages the 3 rd transmission driven wheel 163, the 2 nd transmission driven wheel 162 engages the 1 st idler wheel 151, the 1 st idler wheel 151 engages the 1 st transmission driven wheel 164, while the 3 rd transmission driven wheel 163 engages the 2 nd idler wheel 152, the 2 nd idler wheel 152 engages the 4 th transmission driven wheel 164, the 4 th transmission driven wheel 164 engages the 3 rd idler wheel 153, the 3 rd idler wheel 153 engages the 5 th transmission driven wheel 165, the 5 th transmission driven wheel 165 engages the 4 th idler wheel 154, the 4 th idler wheel 154 engages the 6 th transmission driven wheel 166, the 6 th transmission driven wheel 166 engages one of the transmission gears 173 on the selector member 17, the transmission gears 173 engage the gears 181 on the transmission screws 18, the transmission screw threads 182 on the transmission screws 18 are in threaded connection with the pull rod connector 24, the pull rod connector 24 is moved forward via the screw motion pull rod connector 24, the pull rod 3 assembled on the pull rod connector 24 is moved forward, and the pull rod 3 moves forward to the corresponding set of pull rod 4 is moved forward to the front stop point 23 when the set of the pull rod 4 is shifted forward by the front position of the adjuster 23; when the drive input shaft 14 is reversed, the second drive input shaft gear 143, the third drive input shaft gear 144 on the drive input shaft 14 engage the gears of the 2 nd driven wheel 162 and the 3 rd driven wheel 163, the 2 nd driven wheel 162 engages the 1 st idler wheel 151, the 1 st idler wheel 151 engages the 1 st driven wheel 164, while the 3 rd driven wheel 163 engages the 2 nd idler wheel 152, the 2 nd idler wheel 152 engages the 4 th driven wheel 164, the 4 th driven wheel 164 engages the 3 rd idler wheel 153, the 3 rd idler wheel 153 engages the 5 th driven wheel 165, the 5 th driven wheel 165 engages the 4 th idler wheel 154, the 4 th idler wheel 154 engages the 6 th driven wheel 166, the 6 th driven wheel 166 engages one of the drive gears 173 on the selector member 17, the drive gear 173 engages the drive screw gear 181 on the drive screw 18, the drive screw threads 182 on the drive screw 18 are threadedly engaged with the pull rod connector 24, the pull rod 3 mounted on the pull rod connector 24 moves rearward via the screw connector 24, the pull rod 3 drives the corresponding set of phase shifters 4 to adjust when the pull rod connector 24 moves rearward to the rear register 26, and the set of phase shifters is calibrated to the set of phase shifters 4.
6) Further, as shown in fig. 3, 4, 5, 6, 7, 8, 9, when the drive input shaft 14 is moving in forward (or reverse) rotation, the second drive input shaft gear 143 on the drive input shaft 14 engages the 2 nd driven pulley 162 and the third drive input shaft gear 144 engages the 3 rd driven pulley 163, the 2 nd driven pulley 162 engages the 1 st idler pulley 151, the 1 st idler pulley 151 engages the 1 st driven pulley 164, while the 3 rd driven pulley 163 engages the 2 nd idler pulley 152, the 2 nd idler pulley 152 engages the 4 th driven pulley 164, the 4 th driven pulley 164 engages the 3 rd idler pulley 153, the 3 rd idler pulley 153 engages the 5 th driven pulley 165, the 5 th driven pulley 165 engages the 4 th idler pulley 154, the 4 th idler pulley 154 engages the 6 th driven pulley 166, the 6 th driven pulley 166 engages one of the drive gears 173 on the selector member 17, the drive gear 173 engages the drive screw gear 181 on the drive screw 18, the drive screw threads 182 on the drive screw 18 are threadably connected to the pull rod connector 24, and move forward (rearward) via the screw motion pull rod connector 24, the corresponding 3 rd pull rod or 3 pull rod is moved forward (or rearward) via the pull rod connector 24. The position selecting part 17 can complete the adjustment of each group of phase shifters 4 by selecting the positions of different driving screws 18.
7) Further, referring to fig. 3, 4, 5, 6, 7, 8, and 9, the selector input shaft 13 is mounted to the selector input shaft fixing shaft 196 of the rear chamber 19 via the selector input shaft fixing bit 131, and is mounted to the selector input shaft fixing sleeve 123 of the front chamber 12 via the selector input shaft connecting bit 133 and the selector input shaft connecting hole 134. The transmission input shaft 14 is mounted to the transmission input shaft fixing sleeve 195 of the rear chamber 19 through the transmission input shaft fixing position 141, and is mounted to the transmission input shaft fixing sleeve 124 of the front chamber 12 through the transmission input shaft connecting position 145 and the transmission input shaft connecting hole 146. Idler gear 1 151, idler gear 2 152, idler gear 3 153, and idler gear 4 154 are mounted to idler gear 4 fixed sleeves 194 of rear cavity 19 and idler gear 4 fixed sleeves 122 of front cavity 12, respectively. The 1 st transmission driven wheel 161, the 2 nd transmission driven wheel 162, the 3 rd transmission driven wheel 163, the 5 th transmission driven wheel 165 and the 6 th transmission driven wheel 166 are respectively arranged on the 5 transmission driven wheel fixing shafts 197 of the rear cavity 19 and the 5 transmission driven wheel fixing sleeves 121 of the front cavity 12; the 4 th transmission driven wheel 164 is mounted to the 1 transmission driven wheel fixing shaft 197 and the selector input shaft fixing position 131 of the selector input shaft of the rear chamber 19. The drive screw 18 is mounted to the drive screw retaining sleeve 198 of the rear cavity 19 and the drive screw retaining shaft 128 of the front cavity 12. The selector gear 173 is mounted in a selector gear shaft fixing sleeve 1724 on the selector slide plate 172 through a selector gear shaft 171.
8) Further, referring to fig. 1, 2 and 3, a washer 21, a clamp spring 22, a front stop sleeve 23, a pull rod connector 24, a guide shaft 25 and a rear stop sleeve 26 are mounted on the drive screw 18, and then a drive screw fixing seat 27 is mounted on the drive screw 18, and appropriate fasteners (not shown) are required for mounting the front stop sleeve 23 and the rear stop sleeve 26.
Compared with the prior art, the structure of the position selecting component and the transmission screw which convert rotary motion into horizontal linear motion adopts single-layer horizontal arrangement, and according to practice, the structure saves the space on the back of the antenna, reduces the thickness dimension of the antenna, effectively reduces the volume of the antenna, further reduces the wind resistance of the antenna and improves the reliability of the antenna; the invention converts rotary motion into horizontal linear motion, the position selecting component and the transmission screw structure are arranged horizontally in a single layer, the number of idler wheels, transmission driven wheels, position selecting gears and transmission screws can be increased, the invention can be expanded to control more groups of phase shifters, the invention is not limited by the number of phase shifter components, the quality is reliable, and the product application range is wide.
The foregoing is merely a preferred embodiment of the present invention, and it should be noted that modifications and improvements could be made by those skilled in the art without departing from the inventive concept, which falls within the scope of the present invention.
Claims (7)
1. The electric tuning antenna transmission device is characterized by comprising a position selecting transmission assembly, a screw transmission assembly and a pull rod, wherein the position selecting transmission assembly is connected with an electric tuning controller, the screw transmission assembly comprises a transmission screw, a screw and a transmission screw gear arranged on the transmission screw, the screw transmission assembly is connected with a phase shifter through the pull rod, the position selecting transmission assembly comprises a position selecting connecting shaft sleeve, a front cavity, a position selecting input shaft, a transmission connecting shaft sleeve, a transmission input shaft, an idler pulley, a transmission driven wheel, a position selecting part and a rear cavity, the electric tuning controller is connected with the position selecting input shaft through the position selecting connecting shaft sleeve, the position selecting input shaft is provided with a position selecting input shaft gear, the position selecting part comprises a position selecting slide plate and a position selecting gear, the position selecting slide plate is provided with a position selecting rack meshed with the position selecting input shaft gear, the position selecting rack converts rotary motion input by the position selecting input shaft into linear motion, and the position selecting gear is meshed with the transmission screw gear, so that the position selecting of the transmission screw can be completed;
the motor controller is connected with a transmission input shaft through a transmission connecting shaft sleeve, the transmission input shaft is continuously meshed with a transmission driven wheel and an idler wheel through a transmission input shaft gear, the input rotary motion is transmitted to a position selecting gear of the position selecting component, the position selecting gear is meshed with a transmission screw gear after the rotary motion, and the input rotary motion is transmitted to the transmission screw;
the transmission screw is connected with a pull rod connecting piece in a threaded manner, the pull rod connecting piece is connected with the pull rod, the spiral motion of the transmission screw is converted into the linear motion of the pull rod, and a connecting mechanism is arranged between the pull rod and the phase shifter; the two ends of the transmission screw are respectively provided with a front stop sleeve and a rear stop sleeve, and the pull rod connecting piece is sleeved on the transmission screw and is arranged between the front stop sleeve and the rear stop sleeve; the driving screw is provided with a guide shaft in parallel, and the pull rod connecting piece is provided with a guide hole corresponding to the guide shaft;
the transmission input shaft comprises 3 transmission input shaft gears, wherein one transmission input shaft gear is meshed with one transmission driven wheel, and the transmission driven wheel is meshed with one idler wheel to transmit the rotation motion input by the transmission input shaft; the other gear is meshed with the other driven transmission wheel, the other driven transmission wheel is meshed with one gear on the other idle wheel, and the rotary motion is transmitted until the rotary motion is transmitted to the gear of the transmission screw rod to be adjusted.
2. The electrically tunable antenna assembly of claim 1, wherein the selector input shaft, the drive input shaft, the idler, the driven drive wheel, the selector member, and the drive screw are disposed within a cavity defined by the front cavity and the rear cavity, and the drive engagement therebetween is a gear-to-gear engagement, a gear-to-rack engagement, and a shaft-to-sleeve engagement.
3. The electrically tunable antenna transmission according to claim 1 or 2, wherein a slider guide groove is provided in a cavity formed by the front cavity and the rear cavity, the position selection slider is movably provided in the slider guide groove to perform horizontal linear movement, and a position selection left stop surface and a position selection right stop surface are provided at both ends of the front cavity and the rear cavity, respectively, as start and stop positions of the linear movement of the position selection slider.
4. The electrically tunable antenna transmission of claim 1, wherein the selector slide has two rows of racks, and the selector input shaft has two selector input shaft gears, the selector input shaft gears engaging the racks to drive the selector slide in linear motion.
5. The electrically tunable antenna transmission of claim 1 or 4, wherein the selector gear is secured to the selector slide by a selector gear shaft for rotational movement about the shaft.
6. The electrically tunable antenna transmission of claim 1, wherein the selector coupling sleeve and the drive coupling sleeve coupled to the motor controller are coupled to the drive input shaft and the selector input shaft by fasteners for transmitting rotational motion output by the motor controller.
7. The electrically tunable antenna assembly of claim 1, wherein each set of phase shifters is coupled to a tie rod of the antenna assembly by a phase shifter coupling mechanism, and wherein the movement output of the drive screw corresponds to each set of phase shifters to be tuned.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811099856.3A CN109347247B (en) | 2018-09-20 | 2018-09-20 | Electrically-controlled antenna transmission device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811099856.3A CN109347247B (en) | 2018-09-20 | 2018-09-20 | Electrically-controlled antenna transmission device |
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| Publication Number | Publication Date |
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| CN109347247A CN109347247A (en) | 2019-02-15 |
| CN109347247B true CN109347247B (en) | 2023-09-12 |
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| CN201811099856.3A Active CN109347247B (en) | 2018-09-20 | 2018-09-20 | Electrically-controlled antenna transmission device |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110459874B (en) * | 2019-09-11 | 2020-12-15 | 昆山恩电开通信设备有限公司 | Large-scale array electrically-tunable antenna phase shifter transmission mechanism |
| CN113991302B (en) * | 2021-10-29 | 2022-06-07 | 广东博纬通信科技有限公司 | Antenna transmission device |
| CN116073583B (en) * | 2023-03-07 | 2023-07-14 | 中兴通讯股份有限公司 | Electric tuning antenna downward inclination angle adjusting device and electric tuning antenna system |
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| CN109347247A (en) | 2019-02-15 |
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