CN111710975A - Electrically-controlled antenna gear shifting mechanism - Google Patents
Electrically-controlled antenna gear shifting mechanism Download PDFInfo
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- CN111710975A CN111710975A CN202010716842.2A CN202010716842A CN111710975A CN 111710975 A CN111710975 A CN 111710975A CN 202010716842 A CN202010716842 A CN 202010716842A CN 111710975 A CN111710975 A CN 111710975A
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- shifting
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- clutch
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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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Abstract
The invention relates to the technical field of positioning equipment, and particularly discloses an electrically-adjusted antenna gear shifting mechanism, which comprises: the gear shifting mechanism comprises a gear shifting sliding block and a gear shifting transmission mechanism; the phase-shifting transmission mechanism comprises a phase-shifting transmission shaft and a phase-shifting motor; the phase shifting mechanisms are arranged in sequence along the moving path of the gear shifting slide block; the phase shifting mechanism comprises a clutch component, a phase shifting slide block connected with the phase shifter and a phase shifting screw rod component for driving the phase shifting slide block to move; the clutch assembly comprises a clutch gear and an elastic element; the shifting slide block is used for driving the clutch gear to extrude the elastic element, so that the phase-shifting screw rod assembly is in transmission connection with the phase-shifting transmission shaft through the clutch gear; the elastic element is used for driving the clutch gear to move towards the shifting sliding block, so that the phase-shifting screw rod assembly is disconnected with the phase-shifting transmission shaft. The invention provides an electrically-tunable antenna gear shifting mechanism which can use a phase-shifting motor to drive a plurality of phase-shifting sliding blocks.
Description
Technical Field
The invention relates to the technical field of positioning equipment, in particular to a shifting mechanism of an electrically-adjustable antenna.
Background
The general base station is provided with antennas, a plurality of phase shifters are arranged in the antennas, different phase shifters correspond to different frequency bands, and the phase shifters are adjusted to different positions, so that signals of the base station antenna can cover different areas. Currently, the position of the phase shifter is mainly adjusted electrically by using a positioning device. The position adjusting device generally comprises a phase shifting slide block fixedly connected with the phase shifter, a phase shifting guide rod connected with the phase shifting slide block in a sliding manner, a phase shifting screw rod connected with the phase shifting slide block in a threaded manner, and a phase shifting motor driving the phase shifting screw rod to rotate. When the phase-shifting motor works, the phase-shifting screw rod rotates, so that the phase-shifting sliding block slides back and forth along the phase-shifting guide rod, and the position of the phase shifter is adjusted.
The base station antennas on the market at present are all in charge of driving one phase shifter by each positioning device. However, with the popularization of 5G, in recent years, antennas are rapidly developed towards multi-band and miniaturization, more and more phase shifters are arranged in the antennas, and the antenna becomes bulky and heavy due to the traditional technical scheme that a phase shifting motor drives a phase shifting slider, which cannot meet the current development requirements of the antenna industry.
Therefore, the existing position adjusting device needs to be improved to solve the problem that only one phase-shifting sliding block can be adjusted by one phase-shifting motor.
Disclosure of Invention
An object of the present invention is to provide an electrically tunable antenna shift mechanism, which can use a phase-shifting motor to drive a plurality of phase-shifting sliders.
To achieve the above object, the present invention provides an electrically tunable antenna shift mechanism, including:
the gear shifting mechanism comprises a gear shifting sliding block and a gear shifting transmission mechanism used for driving the gear shifting sliding block to move;
the phase-shifting transmission mechanism comprises a phase-shifting transmission shaft and a phase-shifting motor for driving the phase-shifting transmission shaft to rotate;
the plurality of phase shifting mechanisms are sequentially arranged along the moving path of the gear shifting slide block; each phase shifting mechanism comprises a clutch component, a phase shifting slide block for driving the phase shifter to shift the phase and a phase shifting screw rod component for driving the phase shifting slide block to move; the clutch assembly comprises a clutch gear which can move along the direction parallel to the phase-shifting screw rod assembly and an elastic element which enables the clutch gear to reset;
the gear shifting transmission mechanism drives the gear shifting sliding block to move so that the gear shifting sliding block pushes and presses a corresponding clutch gear or is separated from the clutch gear, the gear shifting sliding block pushes and presses the clutch gear to move along the direction parallel to the phase shifting screw rod assembly and pushes and presses an elastic element, and the phase shifting screw rod assembly is meshed with the phase shifting transmission shaft; the shifting slide block is disengaged from the clutch gear, so that the elastic element drives the clutch gear to reset, and the clutch gear is disengaged from at least one of the phase shifting screw rod assembly and the phase shifting transmission shaft.
Preferably, the phase shift mechanism further comprises a phase shift guide rod, and the phase shift guide rod is connected with the phase shift sliding block in a sliding manner and is arranged in parallel relative to the phase shift screw rod assembly.
Preferably, the phase-shifting screw rod assembly comprises an upper screw rod and a lower screw rod which are parallel to each other, and the upper screw rod is positioned above the lower screw rod; the upper screw rod and the lower screw rod are both in threaded connection with the phase shifting slider;
when the gear shifting sliding block extrudes the elastic element through the clutch gear, the upper screw rod and the lower screw rod are in transmission connection with the phase shifting transmission shaft through the clutch assembly.
Preferably, the method further comprises the following steps:
the gear shifting mechanism, the phase shifting transmission mechanism and all the phase shifting mechanisms are fixed on the bottom plate.
Preferably, the gear shifting transmission mechanism comprises a gear shifting guide rod in sliding connection with the gear shifting slider, a gear shifting lead screw in threaded connection with the gear shifting slider, and a gear shifting motor for driving the gear shifting lead screw to rotate; the gear shifting guide rod and the gear shifting screw rod are arranged in parallel.
Preferably, the gear shifting transmission mechanism is further provided with a gear shifting joint fixed on the bottom plate, one end of the gear shifting joint is in transmission connection with the gear shifting lead screw through a gear shifting transmission shaft, and the other end of the gear shifting joint is provided with a gear shifting interface fixedly connected with an output shaft of the gear shifting motor.
Preferably, the phase-shifting transmission mechanism is further provided with a phase-shifting joint fixed on the bottom plate, one end of the phase-shifting joint is in transmission connection with the phase-shifting transmission shaft, and the other end of the phase-shifting joint is provided with a phase-shifting interface fixedly connected with an output shaft of the phase-shifting motor.
Preferably, a main bevel gear is arranged at a position on the phase-shifting transmission shaft corresponding to each clutch assembly.
The invention has the beneficial effects that: the utility model provides an electricity accent antenna gearshift, a plurality of phase shift positioning mechanism follow the removal route of slider of shifting is arranged in proper order, and the drive mechanism that shifts will shift the slider and remove to different positions, just can make the slider of shifting extrude different clutch assembly. The phase-shifting motor drives the phase-shifting transmission shaft to continuously rotate: when the clutch assembly is pressed down by the gear shifting sliding block, the corresponding phase shifting screw rod assembly is in transmission connection with the phase shifting transmission shaft through the pressed clutch gear, the phase shifting screw rod assembly rotates to drive the phase shifting sliding block to slide, and finally the position adjustment of the phase shifter on the phase shifting sliding block is realized. For the clutch gear which is not pressed down by the shifting slide block, the elastic element jacks up the clutch gear in the direction close to the shifting slide block, so that the corresponding phase shifting screw rod assembly and the corresponding phase shifting slide block cannot move, and the position of the phase shifter on the phase shifting slide block is kept unchanged. Therefore, the electrically tunable antenna gearshift that this embodiment provided can use a phase shift motor to carry out solitary position control to a plurality of phase shift sliders, and every phase shift slider rigid coupling moves the looks ware, so can use a phase shift motor to realize the position control that a plurality of moved the ware, not only reduce equipment volume, can also reduce manufacturing cost.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.
Fig. 1 is a schematic structural diagram of an electrically tunable antenna shift mechanism according to an embodiment;
FIG. 2 is a schematic view of a phase shifting transmission mechanism provided in an embodiment;
FIG. 3 is a schematic diagram of the phase shifting mechanism with the upper clutch squeezed according to an exemplary embodiment;
fig. 4 is a schematic diagram of the phase shifting mechanism provided in the embodiment when the upper clutch is not pressed.
In the figure:
1. a base plate;
2. a gear shift mechanism; 201. a shifting slide block; 202. a gear shifting screw rod; 203. a shift joint; 2031. a shift interface; 204. a gear shifting transmission shaft; 205. a shift guide rod;
3. a phase-shifting transmission mechanism; 301. a phase-shifting transmission shaft; 3011. a main bevel gear; 302. a phase shifting joint; 3021. a phase shift interface;
4. a phase shifting mechanism; 401. a clutch assembly; 4011. an upper clutch; 4012. a lower clutch; 4013. a clutch gear; 4014. a clutch shaft; 4015. an elastic element; 402. a phase shifting slide block; 403. a phase-shifting guide rod; 404. a phase-shifting lead screw component; 4041. feeding a screw rod; 4042. a lower screw rod; 4043. an upper circular gear;
5. a vertical plate;
6. a middle rotating shaft;
701. a transfer circular gear; 702. from the bevel gear.
Detailed Description
In order to make the objects, features and advantages of the present invention more obvious and understandable, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the embodiments described below are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present.
Furthermore, the terms "long", "short", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of describing the present invention, but do not indicate or imply that the referred devices or elements must have the specific orientations, be configured to operate in the specific orientations, and thus are not to be construed as limitations of the present invention.
The technical scheme of the invention is further explained by the specific implementation mode in combination with the attached drawings.
Referring to fig. 1 to 4, the present embodiment provides an electrically tunable antenna shift mechanism, which includes a bottom plate 1, and a shift mechanism 2, a phase shift transmission mechanism 3, and a plurality of phase shift positioning mechanisms 4 are fixedly disposed on the bottom plate 1.
The gear shift mechanism 2 includes a shift slider 201 and a shift transmission mechanism for driving the shift slider 201 to move. Preferably, the gear shifting transmission mechanism comprises a gear shifting guide rod 205 connected with the gear shifting slider 201 in a sliding manner, a gear shifting screw rod 202 connected with the gear shifting slider 201 in a threaded manner, and a gear shifting motor for driving the gear shifting screw rod 202 to rotate; the shift guide rod 205 is arranged in parallel with the shift screw 202. Specifically, the shift slider 201 can slide left and right by controlling the rotation direction of the shift motor.
The phase-shifting transmission mechanism 3 comprises a phase-shifting transmission shaft 301 and a phase-shifting motor for driving the phase-shifting transmission shaft 301 to rotate.
The phase shift mechanisms 4 are arranged in sequence along the movement path of the shift slider 201. Each phase shifting mechanism 4 comprises a clutch assembly 401, a phase shifting slider 402 for driving the phase shifter to shift the phase, a phase shifting guide rod 403 slidably connected with the phase shifting slider 402, and a phase shifting screw rod assembly 404 for driving the phase shifting slider 402 to move. The phase shift guide rods 403 are arranged in parallel with respect to the phase shift screw assembly 404. The phase-shifting motor is controlled to rotate forward and backward, so that the phase-shifting slide block 402 can slide forward and backward, and the position of the phase shifter can be adjusted.
The clutch assembly 401 is positioned between the phase shifting screw rod assembly 404 and the phase shifting transmission shaft 301, and comprises a clutch gear 4013 which can move along the direction parallel to the phase shifting screw rod assembly 404 and an elastic element 4015 which enables the clutch gear 4013 to reset; the shifting slide block 201 is used for driving the clutch gear 4013 to press the elastic element 4015, so that the phase-shifting screw rod assembly 404 is in transmission connection with the phase-shifting transmission shaft 301 through the clutch gear 4013; the elastic element 4015 is configured to drive the clutch gear 4013 to move toward the shift slider 201, so that the phase shift screw assembly 404 is disconnected from the phase shift transmission shaft 301. Specifically, the shift transmission mechanism 3 drives the shift slider 201 to move, so that the shift slider 201 pushes or disengages the corresponding clutch gear 4013 from the clutch gear 4013. The shifting slide block 201 pushes the clutch gear 4013 to move along the direction parallel to the phase shifting screw rod assembly 404 and pushes the elastic element 4015, and the phase shifting screw rod assembly 404 is meshed with the phase shifting transmission shaft 301; the shift slider 201 is disengaged from the clutch gear 4013, so that the elastic element 4015 drives the clutch gear 4013 to reset, thereby disengaging the clutch gear 4013 from at least one of the phase shifting screw assembly 404 and the phase shifting transmission shaft 301.
In this embodiment, the axial directions of the phase shift screw rod assembly 404 and the gear shift screw rod 202 are perpendicular to each other; the axial directions of the phase-shifting transmission shaft 301 and the gear shifting screw rod 202 are parallel to each other. Alternatively, the phase shift mechanism 4 may be one, two, three or more, and this embodiment does not limit this.
According to the electrically-tunable antenna gear shifting mechanism provided by the embodiment, the plurality of phase shifting mechanisms 4 are sequentially arranged along the moving path of the gear shifting sliding block 201, and the gear shifting transmission mechanism moves the gear shifting sliding block 201 to different positions, so that the gear shifting sliding block 201 can extrude different clutch assemblies 401. The phase-shifting motor drives the phase-shifting transmission shaft 301 to continuously rotate: when the clutch assembly 401 is pressed down by the shifting slide block 201, the corresponding phase shifting screw rod assembly 404 is in transmission connection with the phase shifting transmission shaft 301 through the pressed clutch gear 4013, the phase shifting screw rod assembly 404 rotates, the phase shifting slide block 402 is driven to slide, and finally the position adjustment of the phase shifter on the phase shifting slide block 402 is realized. For the clutch gear 4013 not pressed down by the shift slider 201, the elastic element 4015 jacks up the clutch gear 4013 in a direction close to the shift slider 201, so that the corresponding phase shift screw assembly 404 and the corresponding phase shift slider 402 do not move, and the position of the phase shifter on the phase shift slider 402 is kept unchanged. The electrically tunable antenna gearshift that this embodiment provided can use a phase shift motor to carry out solitary position control to a plurality of phase shift slider 402, and each phase shift slider 402 rigid coupling moves the looks ware, so can use a phase shift motor and a gear shift motor to realize the position control that a plurality of looks wares moved, not only reduce the equipment volume, can also reduce manufacturing cost.
In this embodiment, the phase-shifting screw assembly 404 includes an upper screw 4041 and a lower screw 4042 that are parallel to each other, and the upper screw 4041 is located above the lower screw 4042; the upper screw 4041 and the lower screw 4042 are both in threaded connection with the phase shifting slider 402. The clutch assembly 401 comprises an upper clutch 4011 and a lower clutch 4012, wherein the upper clutch 4011 is positioned above the lower clutch 4012; when the shift slide 201 presses the elastic element 4015 through the clutch gear 4013, the upper lead screw 4041 is in transmission connection with the phase-shifting transmission shaft 301 through the upper clutch 4011; the lower screw 4042 is in transmission connection with the phase-shifting transmission shaft 301 through the lower clutch 4012. Specifically, the shift slider 201 can be made to press the upper clutch 4011 and the lower clutch 4012 at the same time by controlling the shape of the shift slider 201. When the elastic element 4015 pushes up the clutch gear 4013, the upper lead screw 4041 is disengaged from the upper clutch 4011, and the lower lead screw 4042 is disengaged from the lower clutch 4012. Thereby achieving synchronous rotation of the upper and lower screws 4041, 4042.
It can be understood that the two synchronously rotating lead screws are used for driving the phase shift slider 402, so that the sliding of the phase shift slider 402 can be more stable. Of course, in some other embodiments, the phase-shifting screw assembly 404 may include one, three, four, five or even more screws; the lead screws may also be arranged in a horizontal line, a vertical line, a triangle, or a rectangle, which is not limited in this embodiment.
In this embodiment, a main bevel gear 3011 is disposed at a position on the phase shift transmission shaft 301 corresponding to each clutch assembly 401, when a clutch assembly 401 is pressed down by the shift slider 201, the corresponding main bevel gear 3011 will engage with the pressed clutch assembly 401 to drive the corresponding phase shift screw assembly 404, and the main bevel gear 3011 corresponding to the clutch assembly 401 that is not pressed down keeps an idle state.
Specifically, a vertical plate 5 is fixed on the bottom plate 1, and the ends of the upper screw 4041 and the lower screw 4042 are rotatably connected with the vertical plate 5 through bearings. As described above with reference to the screw 4041 and the upper clutch 4011 as an example, the upper screw 4041 is fixed with the upper circular gear 4043, and the upper circular gear 4043 is located on the side of the vertical plate 5 close to the shift slider 201. The vertical plate 5 is further provided with a middle rotating shaft 6, and the axis of the middle rotating shaft 6 is parallel to the axis of the upper screw 4041. The other end of the middle rotating shaft 6 is rotatably connected with a middle circular gear 701, one side of the middle circular gear 701 close to the main bevel gear 3011 is provided with a slave bevel gear 702 meshed with the main bevel gear 3011, and the slave bevel gear 702 and the middle circular gear 701 are coaxial and fixedly connected. The upper clutch 4011 is located between the relay circular gear 701 and the upper circular gear 4043. A clutch shaft 4014 is arranged on the vertical plate 5, the clutch gear 4013 is sleeved on the clutch shaft 4014, and the elastic element 4015 is located between the clutch shaft 4014 and the clutch gear 4013. The clutch gear 4013 can slide relative to the clutch shaft 4014 along the axis line and can rotate relative to the clutch shaft 4014 around the axis line.
Referring to fig. 3, when the shift slider 201 presses the clutch gear 4013, the clutch gear 4013 is respectively engaged with the intermediate circular gear 701 and the upper circular gear 4043, and when the phase shift transmission shaft 301 drives the main bevel gear 3011 to rotate, the main bevel gear 3011 sequentially drives the upper screw 4041 to rotate through the auxiliary bevel gear 702, the intermediate circular gear 701, the clutch gear 4013 and the upper circular gear 4043;
referring to fig. 4, when the shift slider 201 is separated from the clutch gear 4013, the elastic element 4015 ejects the clutch gear 4013, the power transmission between the middle circular gear 701 and the upper circular gear 4043 is interrupted, and the upper wire rod 4041 does not rotate, so that the shift slider 402 can be kept stationary. It can be understood that the lower lead screw 4042 is also engaged with the transfer circular gear 701 through the lower clutch 4012, and the structural form thereof is similar to that of the upper clutch 4011, so that the detailed description is omitted.
In some other embodiments, a plurality of transmission gears may be further disposed between the middle circular gear 701 and the clutch gear 4013, and between the upper circular gear 4043 and the clutch gear 4013.
Optionally, the gear shifting transmission mechanism is further provided with a gear shifting joint 203 fixed on the bottom plate 1, one end of the gear shifting joint 203 is in transmission connection with the gear shifting screw 202 through a gear shifting transmission shaft 204, and the other end of the gear shifting joint is provided with a gear shifting interface 2031 fixedly connected with an output shaft of the gear shifting motor. Specifically, the output shaft of the shift motor is inserted into the shift interface 2031, so that the shift transmission shaft 204 and the shift lead screw 202 can be sequentially rotated, and further the position of the shift slider 201 can be adjusted.
Correspondingly, the phase shift transmission mechanism 3 is further provided with a phase shift joint 302 fixed on the base plate 1, one end of the phase shift joint 302 is in transmission connection with the phase shift transmission shaft 301, and the other end of the phase shift joint is provided with a phase shift interface 3021 fixedly connected with an output shaft of the phase shift motor. Specifically, the output shaft of the phase shift motor is inserted into the phase shift interface 3021, so that the phase shift transmission shaft 301, the clutch gear 4013 extruded by the shift slider 201, and the corresponding phase shift screw assembly 404 can be sequentially rotated, and the position adjustment of the phase shift slider 402 can be further realized.
The electrically tunable antenna gearshift that this embodiment provided possesses following advantage:
firstly, a phase-shifting motor and a gear-shifting motor can be used for carrying out independent position adjustment on any plurality of phase-shifting sliding blocks 402, so that the equipment volume is reduced, and the manufacturing cost can be reduced;
secondly, the upper screw rod 4041 and the lower screw rod 4042 are arranged in a vertically layered manner, the width space is effectively saved, the clutch gear 4013 is placed in the middle, the upper screw rod and the lower screw rod can share one clutch gear 4013 to realize transmission with the phase-shifting transmission shaft 301, the number of the main bevel gears 3011 is favorably reduced, and the reliability of the whole machine is higher.
The electrically-tunable antenna gearshift that this embodiment provided, 4 layering horizontal arrangements of phase shift positioning mechanism that each gear corresponds reduce overall dimension, in layering and width direction, can infinitely expand theoretically, satisfy more phase shifters and use. This embodiment extrudes elastic element 4015 through the slider 201 that shifts, and elastic element 4015 drives clutch gear 4013 and makes a round trip to slide, finally realizes shifting phase lead screw subassembly 404 and the transmission of shifting phase transmission shaft 301 and is connected, and this scheme adopts the lead screw to shift gears, and it is more reliable and more stable to work when high low temperature.
The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (8)
1. An electrically tunable antenna gear shift mechanism, comprising:
the gear shifting mechanism comprises a gear shifting sliding block and a gear shifting transmission mechanism used for driving the gear shifting sliding block to move;
the phase-shifting transmission mechanism comprises a phase-shifting transmission shaft and a phase-shifting motor for driving the phase-shifting transmission shaft to rotate;
the plurality of phase shifting mechanisms are sequentially arranged along the moving path of the gear shifting slide block; each phase shifting mechanism comprises a clutch component, a phase shifting slide block for driving the phase shifter to shift the phase and a phase shifting screw rod component for driving the phase shifting slide block to move; the clutch assembly comprises a clutch gear which can move along the direction parallel to the phase-shifting screw rod assembly and an elastic element which enables the clutch gear to reset;
the gear shifting transmission mechanism drives the gear shifting sliding block to move so that the gear shifting sliding block pushes and presses a corresponding clutch gear or is separated from the clutch gear, the gear shifting sliding block pushes and presses the clutch gear to move along the direction parallel to the phase shifting screw rod assembly and pushes and presses an elastic element, and the phase shifting screw rod assembly is meshed with the phase shifting transmission shaft; the shifting slide block is disengaged from the clutch gear, so that the elastic element drives the clutch gear to reset, and the clutch gear is disengaged from at least one of the phase shifting screw rod assembly and the phase shifting transmission shaft.
2. The electrically tunable antenna gear shifting mechanism according to claim 1, wherein the phase shifting mechanism further comprises a phase shifting guide rod, and the phase shifting guide rod is slidably connected with the phase shifting slider and arranged in parallel relative to the phase shifting lead screw assembly.
3. The electrically tunable antenna gear shifting mechanism according to claim 1, wherein the phase shifting screw rod assembly comprises an upper screw rod and a lower screw rod which are parallel to each other, and the upper screw rod is located above the lower screw rod; the upper screw rod and the lower screw rod are both in threaded connection with the phase shifting slider;
when the gear shifting sliding block extrudes the elastic element through the clutch gear, the upper screw rod and the lower screw rod are in transmission connection with the phase shifting transmission shaft through the clutch assembly.
4. The electrically tunable antenna gear shifting mechanism according to claim 1, further comprising:
the gear shifting mechanism, the phase shifting transmission mechanism and all the phase shifting mechanisms are fixed on the bottom plate.
5. The electrically tunable antenna gear shifting mechanism according to claim 4, wherein the gear shifting transmission mechanism comprises a gear shifting guide rod slidably connected with the gear shifting slider, a gear shifting lead screw in threaded connection with the gear shifting slider, and a gear shifting motor for driving the gear shifting lead screw to rotate; the gear shifting guide rod and the gear shifting screw rod are arranged in parallel.
6. The electrically tunable antenna gear shifting mechanism according to claim 5, wherein the gear shifting transmission mechanism is further provided with a gear shifting joint fixed on the bottom plate, one end of the gear shifting joint is in transmission connection with the gear shifting screw rod through a gear shifting transmission shaft, and the other end of the gear shifting joint is provided with a gear shifting interface fixedly connected with an output shaft of the gear shifting motor.
7. The electrically tunable antenna gear shifting mechanism according to claim 4, wherein the phase shifting transmission mechanism is further provided with a phase shifting joint fixed on the bottom plate, one end of the phase shifting joint is in transmission connection with the phase shifting transmission shaft, and the other end of the phase shifting joint is provided with a phase shifting interface fixedly connected with an output shaft of the phase shifting motor.
8. The electrically tunable antenna gear shifting mechanism according to claim 1, wherein a main bevel gear is disposed on the phase shifting transmission shaft at a position corresponding to each clutch assembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010716842.2A CN111710975A (en) | 2020-07-23 | 2020-07-23 | Electrically-controlled antenna gear shifting mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010716842.2A CN111710975A (en) | 2020-07-23 | 2020-07-23 | Electrically-controlled antenna gear shifting mechanism |
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| CN111710975A true CN111710975A (en) | 2020-09-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010716842.2A Pending CN111710975A (en) | 2020-07-23 | 2020-07-23 | Electrically-controlled antenna gear shifting mechanism |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112886250A (en) * | 2021-01-04 | 2021-06-01 | 武汉虹信科技发展有限责任公司 | Shift type electrically-controlled antenna transmission device and base station antenna |
-
2020
- 2020-07-23 CN CN202010716842.2A patent/CN111710975A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112886250A (en) * | 2021-01-04 | 2021-06-01 | 武汉虹信科技发展有限责任公司 | Shift type electrically-controlled antenna transmission device and base station antenna |
| CN112886250B (en) * | 2021-01-04 | 2022-07-19 | 武汉虹信科技发展有限责任公司 | Shift type electrically-controlled antenna transmission device and base station antenna |
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