CN108365341B - Base station antenna transmission phase shift ratio device - Google Patents
Base station antenna transmission phase shift ratio device Download PDFInfo
- Publication number
- CN108365341B CN108365341B CN201810225098.9A CN201810225098A CN108365341B CN 108365341 B CN108365341 B CN 108365341B CN 201810225098 A CN201810225098 A CN 201810225098A CN 108365341 B CN108365341 B CN 108365341B
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- gear
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- racks
- fixing
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 24
- 230000010363 phase shift Effects 0.000 title claims abstract description 15
- 230000003014 reinforcing effect Effects 0.000 claims description 3
- 230000009466 transformation Effects 0.000 claims description 2
- 230000007246 mechanism Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q3/00—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
- H01Q3/02—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system using mechanical movement of antenna or antenna system as a whole
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q3/00—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
- H01Q3/02—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system using mechanical movement of antenna or antenna system as a whole
- H01Q3/08—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system using mechanical movement of antenna or antenna system as a whole for varying two co-ordinates of the orientation
Landscapes
- Toys (AREA)
- Transmission Devices (AREA)
Abstract
The device comprises a fixed seat, two gears and two racks, wherein the two gears are coaxially arranged on two opposite sides of the fixed seat, the two racks are respectively meshed with the two gears, so that the two racks can move along the tangential direction of the gears which are correspondingly meshed, one rack is connected with a power source, the power source drives the rack to move and drives the gear which is meshed with the rack to rotate, and then the other gear is driven to rotate, at the moment, the rotating gear drives the other rack which is meshed with the gear and is connected with a phase shifter to move, and finally the phase shifter is driven to shift phase; the gear ratio of the two gears is changed, so that the gear ratio of the transmission stroke and the phase shift stroke of the power source can be changed, namely, different gear ratios can be formed through different collocations of the gears, and the application is flexible.
Description
Technical Field
The invention relates to the technical field of communication, in particular to a transmission phase shift ratio device of a base station antenna.
Background
Because the current antenna phase shifting precision is improved, the stroke of the phase shifter is enlarged, so that the stroke of the existing transmission mechanism driving the phase shifter cannot meet the stroke of the phase shifter. If the travel of the transmission mechanism is increased, the antenna electric adjustment calibration time is prolonged, and even exceeds the time specified by the AISG protocol, so that the network is problematic.
Disclosure of Invention
The invention aims to provide a base station antenna transmission phase shift ratio device, namely a stroke ratio device used between base station antenna electric adjustment transmission and a phase shifter, and solves the problem that the current electric adjustment transmission stroke ratio phase shifter is short in phase shift stroke.
The technical scheme adopted by the invention for achieving the purpose is as follows: the device comprises a fixed seat, two gears and two racks, wherein the two gears are coaxially arranged on two opposite sides of the fixed seat, the two racks are respectively meshed with the two gears, so that the two racks can move along the tangential direction of the gears which are correspondingly meshed, one rack is connected with a power source, the power source drives the rack to move and drives the gear which is meshed with the rack to rotate, and then the other gear is driven to rotate, at the moment, the rotating gear drives the other rack which is meshed with the gear and is connected with a phase shifter to move, and finally the phase shifter is driven to shift phase; the gear ratio of the two gears is changed, so that the gear ratio of the transmission stroke and the phase shift stroke of the power source can be changed.
In one preferred mode, the two racks are positioned on the same side of the two gears, so that the two racks can move in the same direction.
In a second preferred mode, the two racks are located on opposite sides of the two gears, so that the two racks can move reversely.
In the invention, the fixing seat is provided with the mounting hole, the center of one gear is provided with the fixing hole, and the tooth surface of the gear is provided with the boss; the tooth surface of the other gear is provided with a buckling position which is arranged in the mounting hole, the buckling position is provided with a groove for clamping the boss, and the center of the gear is provided with a connecting column which is inserted in the fixing hole.
The device also comprises a fixed buckle, wherein the rack penetrates through the fixed buckle, and two ends of the rack are limited by the fixed buckle, so that the distance between the rack moving along the tangential direction of the gear and the axis of the gear is unchanged.
As a further scheme, the inner wall at the middle part of the fixing buckle is provided with a protruding rib, and the fixing buckle is assembled on the fixing seat and compresses the rack through the protruding rib.
As a further scheme, be equipped with the draw-in groove on the fixing base, fixed buckle is U type structure, and the inner wall at fixed buckle both ends is equipped with the card foot that is arranged in the draw-in groove of joint.
As a further scheme, the fixing seat is provided with limiting plates positioned on two sides of the gear and racks meshed with the gear, the clamping grooves are through grooves formed in the limiting plates and the fixing seat, and the clamping feet are wedge-shaped clamping feet matched with the through grooves.
As a further scheme, be connected with the strengthening rib between limiting plate and the fixing base, be equipped with the arc wall that is used for holding the gear on the limiting plate that sets up with the gear homonymy.
The fixing seat is provided with a guide post, and the rack is provided with a chute matched with the guide post.
The beneficial effects are that: the phase shifter is driven to move by the two sets of gear-rack mechanisms which are meshed, so that the phase shifter has the advantages of large bearing capacity, higher transmission precision, long service life, stability and reliability, and can be connected and continued in an infinite length. Meanwhile, the gear ratio of the two gears is changed, so that the gear ratio of the transmission stroke and the phase shift stroke of the power source can be changed, and different gear ratios can be formed through different collocations of the gears, and the application is flexible.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a bottom view of FIG. 1;
FIG. 3 is an exploded view of FIG. 1;
FIG. 4 is an enlarged schematic view of the fixing base of FIG. 1;
FIGS. 5 and 6 are schematic views of two gears according to the present invention;
fig. 7 and 8 are schematic views of two racks of the present invention, respectively;
FIG. 9 is a schematic view of a fixing buckle in the present invention;
FIG. 10 is a schematic diagram of another embodiment of the present invention;
fig. 11 is a bottom view of fig. 10.
Reference numerals: 1. gear, 2, fixed hole, 3, boss, 4, buckling position, 5, groove, 6, connecting column, 7, fixing seat, 70, mounting hole, 71, guide post, 72, limiting plate, 73, clamping groove, 74, arc groove, 75, reinforcing rib; 8. rack, 80, chute; 9. fixing buckle, 90, protruding ribs, 91 and clamping feet.
Detailed Description
The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings and examples, and it is apparent that the described examples are some, but not all, examples of the present invention.
The utility model provides a base station antenna transmission moves phase transformation ratio device, the device includes fixing base 7, two gears 1, two racks 8 and a plurality of fixed buckle 9, two gears 1 coaxial arrangement is in the relative both sides of fixing base 7, two racks 8 mesh with two gears 1 respectively and set up, make two racks 8 can follow the tangential direction of corresponding meshing setting's gear 1 and remove, one of them rack connection power supply, make the power supply drive this rack remove, and drive the gear rotation that sets up with this rack meshing, and then drive another gear rotation, at this moment, this pivoted gear drives and is connected with another rack removal of phase shifter rather than meshing setting, finally drive the phase shifter and move. Wherein, by changing the gear ratio of the two gears 1, the gear ratio of the power source transmission stroke and the phase shift stroke can be changed.
Preferably, the whole device is an integral module, and the assembly is simple and convenient.
Preferably, the two gears are large gears and small gears with different radiuses, the two racks are large racks and small racks with different lengths, the short racks are driven to move by the power source, namely the transmission mechanism, the short racks drive the small gears to rotate, the large gears and the small gears coaxially and synchronously rotate, the large gears drive the long racks to move, the phase shifter is connected to one end of the long racks, and further, the linear motion of the racks is converted into the motion of the phase shifter by the cooperation of the gears and the racks, so that the purpose of phase shifting is achieved, and the phase shifter can be driven to move with smaller force in a shorter forming range. One end of the short rack is connected with the transmission mechanism, the other end of the long rack is connected with the phase shifter, and the connection of which end is not limited. As long as one rack is connected with the phase shifter and the other rack is connected with the transmission mechanism. The gear in the invention is a circular gear or a sector gear.
The structure of the fixing seat is shown in fig. 4, in the illustration, the structures of the top end face and the bottom end face of the fixing seat are identical, preferably, the short racks are matched with the small wheels, so that the guide post 71 on the fixing seat 7 is ensured to be in the sliding groove on the short racks, and the fixing buckle 9 is buckled on the fixing seat 7; the long rack is matched with the large gear, so that the guide post 71 on the fixed seat 7 is ensured to be in a long chute on the long rack, and the fixed buckle 9 is buckled on the fixed seat 7; the same side of the long and short racks is flush.
In the preferred embodiment, as shown in fig. 1 and 2, the two gears 1 are fixed on the same axis up and down, and the two racks 8 are located on the same side of the two gears 1, so that the two racks 8 can move in the same direction.
In a second preferred embodiment, as shown in fig. 10 and 11, the two gears 1 are vertically fixed to the same shaft center, and the two racks 8 are located on opposite sides of the two gears 1, so that not only can the ratio be changed, but also the two racks 8 can be moved in opposite directions.
As shown in fig. 3 to 6, the fixing base 7 is provided with a mounting hole 70, the center of one gear 1 is provided with a fixing hole 2, and the tooth surface of the gear 1 is provided with a boss 3; the tooth surface of the other gear 1 is provided with a buckling position 4 arranged in the mounting hole 70, the buckling position 4 is provided with a groove 5 for clamping the boss 3, the center of the gear 1 is provided with a connecting column 6 for being inserted in the fixing hole 2, the assembly of the two gears 1 is simple and convenient, and the two gears 1 are in the upper and lower fixing mounting holes 70; the fixed seat 7 is provided with a guide post 71, as shown in fig. 7 and 8, the rack 8 is provided with a sliding groove 80 matched with the guide post 71, the sliding groove 80 is a strip-shaped groove on two racks, the sliding groove 80 is matched with the two guide posts 71 on the fixed seat 7, and the matching consistency of the rack 8 and the gear 1 is ensured.
As shown in fig. 1 to 3, the rack 8 passes through the fixed buckle 9, and two ends of the rack 8 are limited by the fixed buckle 9, so that the distance between the rack 8 moving along the tangential direction of the gear 1 and the axis of the gear 1 is unchanged, and the gear 1 and the rack 8 are ensured to be meshed all the time in motion.
As shown in fig. 9, the inner wall in the middle of the fixing buckle 9 is provided with a protruding rib 90, the fixing buckle 9 is assembled on the fixing seat 7, and the rack 8 is pressed by the protruding rib 90, so that the sliding groove 80 on the rack 8 is ensured to slide on the guide post 71 on the fixing seat 7.
As shown in fig. 4 and 9, taking the structure of the top end surface of the fixing base as an example, the fixing base 7 is provided with a clamping groove 73, the fixing buckle 9 is in a U-shaped integrated structure, and the inner walls of the two end parts of the fixing buckle 9 are provided with clamping legs 91 for being clamped in the clamping groove 73.
Preferably, as shown in fig. 4, taking the structure of the top end surface of the fixing seat as an example, the fixing seat 7 is provided with limiting plates 72 positioned at two sides of the gear 1 and the rack 8 meshed with the gear 1, the clamping groove 73 is a through groove arranged on the limiting plates 72 and the fixing seat 7, and the clamping foot 91 is a wedge-shaped card matched with the through groove; a reinforcing rib 75 is connected between the limiting plate 72 and the fixed seat 7, and an arc-shaped groove 74 for accommodating the gear 1 is arranged on the limiting plate 72 arranged on the same side as the gear 1.
Preferably, the fixing seat is of an integrated structure. Preferably, as shown in fig. 3, the two racks of the present invention are racks that are clamped on the moving rods that are additionally provided, so that on one hand, worn racks can be replaced conveniently, and on the other hand, sliding grooves can be opened conveniently, without affecting the strength of the whole racks.
In the description of the present invention, it should be noted that the positional or positional relationship indicated by the terms such as "center", "upper", "lower", etc. are based on the positional or positional relationship shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and are not indicative or implying that the apparatus or element in question must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as limiting the present invention.
In the description of the present invention, it should be noted that, unless explicitly stated and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, integrally connected, or the like. The specific meaning of the above terms in the present invention will be understood by those of ordinary skill in the art in view of specific circumstances.
The above embodiments are for illustrating the technical solution of the present invention, and are intended to enable those skilled in the art to understand the content of the present invention and implement the same, but are not intended to limit the scope of the present invention. All equivalent changes or modifications made in accordance with the essential teachings of the present invention are intended to be included within the scope of the present invention.
Claims (6)
1. The utility model provides a basic station antenna transmission moves phase transformation ratio device which characterized in that: the device comprises a fixing seat (7), two gears (1) and two racks (8), wherein the two racks are clamped on a moving rod, the two gears (1) are coaxially arranged on two opposite sides of the fixing seat (7), the two racks (8) are respectively meshed with the two gears (1), the two racks (8) can move along the tangential direction of the corresponding meshed gears (1), one rack is connected with a power source, the power source drives the rack to move and drives the gear meshed with the rack to rotate, the other gear is driven to rotate, and at the moment, the rotating gear drives the other rack meshed with the rotating gear and connected with a phase shifter to move, and finally the phase shifter is driven to shift phase; the gear ratio of the two gears (1) is changed, so that the gear ratio of the transmission stroke and the phase shift stroke of the power source can be changed;
the fixed seat (7) is provided with a mounting hole (70), two gears (1) are fixed in the mounting hole (70) up and down, the center of one gear (1) is provided with a fixing hole (2), and the tooth surface of the gear (1) is provided with a boss (3); the tooth surface of the other gear (1) is provided with a buckling position (4) arranged in the mounting hole (70), the buckling position (4) is provided with a groove (5) for clamping the boss (3), and the center of the gear (1) is provided with a connecting column (6) for being inserted into the fixing hole (2);
the device also comprises fixed buckles (9), wherein each rack (8) passes through the fixed buckle (9), and two ends of the rack (8) are limited by the two fixed buckles (9), so that the distance between the rack (8) moving along the tangential direction of the gear (1) and the axis of the gear (1) is unchanged;
the fixing seat (7) is provided with a clamping groove (73), the fixing buckle (9) is of a U-shaped structure, and the inner walls of the two end parts of the fixing buckle (9) are provided with clamping feet (91) which are used for being clamped in the clamping groove (73);
the fixed seat (7) is provided with a guide post (71), and the rack (8) is provided with a chute (80) matched with the guide post (71).
2. The base station antenna transmission phase shift ratio device of claim 1, wherein: the two racks (8) are positioned on the same side of the two gears (1), so that the two racks (8) can move in the same direction.
3. The base station antenna transmission phase shift ratio device of claim 1, wherein: the two racks (8) are positioned on the opposite sides of the two gears (1), so that the two racks (8) can move reversely.
4. The base station antenna transmission phase shift ratio device of claim 1, wherein: the inner wall at the middle part of the fixing buckle (9) is provided with a protruding rib (90), and the fixing buckle (9) is assembled on the fixing seat (7) and tightly presses the rack (8) through the protruding rib (90).
5. The base station antenna transmission phase shift ratio device of claim 1, wherein: the fixing seat (7) is provided with limiting plates (72) positioned on two sides of the gear (1) and racks (8) meshed with the gear (1), the clamping grooves (73) are through grooves formed in the limiting plates (72) and the fixing seat (7), and the clamping feet (91) are wedge-shaped clamping feet matched with the through grooves.
6. The base station antenna transmission phase shift ratio device of claim 5, wherein: a reinforcing rib (75) is connected between the limiting plate (72) and the fixed seat (7), and an arc-shaped groove (74) for accommodating the gear (1) is arranged on the limiting plate (72) arranged on the same side as the gear (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810225098.9A CN108365341B (en) | 2018-03-19 | 2018-03-19 | Base station antenna transmission phase shift ratio device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810225098.9A CN108365341B (en) | 2018-03-19 | 2018-03-19 | Base station antenna transmission phase shift ratio device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108365341A CN108365341A (en) | 2018-08-03 |
| CN108365341B true CN108365341B (en) | 2024-01-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810225098.9A Active CN108365341B (en) | 2018-03-19 | 2018-03-19 | Base station antenna transmission phase shift ratio device |
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| Country | Link |
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| CN (1) | CN108365341B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109687146A (en) * | 2019-01-15 | 2019-04-26 | 摩比科技（深圳）有限公司 | The angle of declination regulating device and electrical tilt antenna of electrical tilt antenna |
| CN116592103B (en) * | 2023-07-18 | 2023-10-17 | 中天通信技术有限公司 | Reversing device |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201655964U (en) * | 2010-04-23 | 2010-11-24 | 摩比天线技术（深圳）有限公司 | Gear transmission mechanism of electric control antenna |
| CN102142610A (en) * | 2010-12-21 | 2011-08-03 | 西安海天天线科技股份有限公司 | Built-in electric drive device of mobile communication electric-tuning base station antenna |
| CN203260733U (en) * | 2013-03-27 | 2013-10-30 | 广东晖速通信技术有限公司 | Adjusting device for antenna phase shifter |
| CN105576376A (en) * | 2015-12-22 | 2016-05-11 | 广州杰赛科技股份有限公司 | Variable speed transmission device and antenna |
| CN107100975A (en) * | 2017-05-08 | 2017-08-29 | 东莞市博锐特五金塑胶制品有限公司 | A kind of vertical drive gear mechanism for slide rail |
| CN107658566A (en) * | 2017-09-22 | 2018-02-02 | 京信通信技术(广州)有限公司 | Linkage locking mechanism and Downtilt control device |
-
2018
- 2018-03-19 CN CN201810225098.9A patent/CN108365341B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201655964U (en) * | 2010-04-23 | 2010-11-24 | 摩比天线技术（深圳）有限公司 | Gear transmission mechanism of electric control antenna |
| CN102142610A (en) * | 2010-12-21 | 2011-08-03 | 西安海天天线科技股份有限公司 | Built-in electric drive device of mobile communication electric-tuning base station antenna |
| CN203260733U (en) * | 2013-03-27 | 2013-10-30 | 广东晖速通信技术有限公司 | Adjusting device for antenna phase shifter |
| CN105576376A (en) * | 2015-12-22 | 2016-05-11 | 广州杰赛科技股份有限公司 | Variable speed transmission device and antenna |
| CN107100975A (en) * | 2017-05-08 | 2017-08-29 | 东莞市博锐特五金塑胶制品有限公司 | A kind of vertical drive gear mechanism for slide rail |
| CN107658566A (en) * | 2017-09-22 | 2018-02-02 | 京信通信技术(广州)有限公司 | Linkage locking mechanism and Downtilt control device |
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| Publication number | Publication date |
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| CN108365341A (en) | 2018-08-03 |
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