CN206259496U - Two-dimensional electric tilt antenna transmission mechanism - Google Patents
Two-dimensional electric tilt antenna transmission mechanism Download PDFInfo
- Publication number
- CN206259496U CN206259496U CN201621011981.0U CN201621011981U CN206259496U CN 206259496 U CN206259496 U CN 206259496U CN 201621011981 U CN201621011981 U CN 201621011981U CN 206259496 U CN206259496 U CN 206259496U
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- arc
- tooth bar
- driven tooth
- driven
- reflecting plate
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Abstract
The utility model provides a kind of two-dimensional electric tilt antenna transmission mechanism, it include bearing and can relative seat rotate reflecting plate, it further includes drive device, the transmission component being fixed on reflecting plate, the driven tooth bar of arc being fixed on bearing, the transmission component includes the driving gear driven by drive device, the driven tooth bar of the arc is engaged with the driving gear, the driving gear only has axial freedom around the driven tooth bar circular motion of arc, and the driven tooth bar of the arc is coaxial with reflecting plate center of rotation, so reflecting plate can be around rotation center rotating.The utility model simple structure is convenient, can effectively improve the precision that antenna level electricity is adjusted, and improves the overall construction intensity of antenna, reduces production cost.
Description
【Technical field】
The utility model is related to the communications field, more particularly, to a kind of two-dimensional electric tilt antenna transmission mechanism.
【Background technology】
Conventional two-dimensional electrical tilt antenna drive mechanism is as shown in figure 1, the relative seat 22 of reflecting plate 21 will do in the prior art
Positive and negative 30 degree of rotations, the assembled shaft 25 typically on reflecting plate 21, the fixed conveyor mechanism 23 on bearing 22, even with bearing
24 direct drive transmission mechanisms 23 rotate to realize the horizontal angle modulation of antenna.Due to the horizontal angle modulation low precision of this type of belt drive, no
Complete self-locking (need the assembling self-locking mechanism such as band-type brake could complete auto-lock function) can be realized, transmission mechanism is easily occurred and is killed,
Antenna bulk strength is poor, electricity tune low precision, the defect such as relatively costly.
Possess auto-lock function, degree of regulation high, low cost, antenna bulk strength two dimension electricity high and adjust therefore it provides a kind of
Antenna drive mechanism is actually necessary.
【The content of the invention】
The purpose of this utility model is to provide a kind of degree of regulation two-dimensional electric tilt antenna transmission mechanism high.
To realize the utility model purpose, there is provided following technical scheme：
The utility model provides a kind of two-dimensional electric tilt antenna transmission mechanism, it include bearing and can relative seat rotate
Reflecting plate, it further includes drive device, the transmission component being fixed on reflecting plate, the arc driven tooth being fixed on bearing
Bar, the transmission component includes the driving gear driven by drive device, and the driven tooth bar of the arc is engaged with the driving gear, the master
Moving gear only has axial freedom around the driven tooth bar circular motion of arc, and the driven tooth bar of the arc and reflecting plate center of rotation
It is coaxial, so reflecting plate can be around rotation center rotating.
Driving gear and the driven tooth bar of arc that the utility model two-dimensional electric tilt antenna transmission mechanism passes through transmission component
The rotation of reflecting plate relative seat is realized in cooperation, and so as to realize that level electricity is adjusted, drive device produces power drive transmission during angle modulation
Component, the driving gear of transmission component is engaged with the driven tooth bar of arc, and driving gear only need to be around arc with axial freedom
Driven tooth bar circular motion, and the driven tooth bar of arc is coaxial with reflecting plate center of rotation, so reflecting plate is around rotation center rotating,
So as to the horizontal angle modulation for completing antenna works.Because the structural relation being engaged of the driven tooth bar of driving gear and arc can be realized
Transmission component, is fixed on reflecting plate by precision angle adjustment higher, and the driven tooth bar of arc is fixed on bearing, makes center of rotation
With the increase of the distance between driving gear meshing point so that antenna angle modulation precision is improved, while also enhancing a day knot
The self-locking effect of structure intensity and transmission component, the utility model simple structure is convenient, can effectively improve what antenna level electricity was adjusted
Precision, improves the overall construction intensity of antenna, reduces production cost.
Preferably, the drive device is motor.
Preferably, the transmission component also includes the motor gear being connected in the drive shaft of the motor, and the motor gear enters
And connect and drive the driving gear.
Preferably, the transmission component also includes worm and worm wheel, motor gear engagement worm screw, the worm drive and locking
The worm gear, the worm gear and the driving gear synchronous axial system.
Preferably, the transmission component also includes worm-wheel shaft, and the worm gear is arranged in transmission fixed seat by worm-wheel shaft.
Because transmission component has the direct engaged transmission of worm and wheel, there is complete self-locking work(to reach whole mechanism
Energy.Again because whole transmission component is fixed on reflecting plate, and motor drives worm screw to rotate, and worm screw drives worm gear, and worm gear is synchronously main
Moving gear, driving gear engagement arc driven tooth bar, and the driven rack fixing seat of arc constrains the spur gear and arc of transmission component
The centre-to-centre spacing of the driven tooth bar of shape, therefore spur gear moves in a circle with arc meshing point around reflecting plate center, i.e. reflecting plate are vertically
Rotation (reflecting plate is integrated with transmission component), so as to complete the high-precision horizontal angle modulation work of antenna, and realizes self-locking
Function.
Preferably, the worm screw is by being fixed in transmission fixed seat in worm screw week.
Preferably, the transmission component also includes the driven tooth bar limit shaft of arc and two driven tooth bar banking stops of arc, should
Two driven tooth bar banking stop one end of arc are arranged on the worm-wheel shaft, and the worm gear and driving gear are arranged on two arcs
Between the driven tooth bar banking stop of shape, the driven tooth bar of the arc is connected between the driven tooth bar banking stop other end of two arcs
Limit shaft, the driven tooth bar of the arc is arranged between the driven tooth bar limit shaft of the arc and the worm gear and driving gear.
Preferably, the driven tooth bar lower end of the arc is fixed on the driven tooth bar of arc and fixes by the driven tooth bar fixing axle of arc
On seat, the driven rack fixing seat of the arc is arranged on bearing, and the driven tooth bar upper end of the arc is engaged with the driving gear.
Preferably, the transmission component is fixed on reflecting plate by being driven fixed seat.
Preferably, the transmission fixed seat is provided with electric machine spacing part, and the motor coordinates with the electric machine spacing part to be installed.
Preferably, the bearing is L-type part, and the driven rack fixing seat of the arc is arranged on bearing L-type side, bearing L
Type opposite side is provided with main shaft and bearing assembly, and the reflecting plate is coordinated by bearing assembly with main shaft can be around main axis.For whole
For body structure, the axle at the reflecting plate two ends is assembled together with the bearing assembly on upper undersetting, by connecting bracket anti-
Penetrate plate and upper undersetting links into an integrated entity, now, reflecting plate can rotate vertically.
Contrast prior art, the utility model has advantages below：
Driving gear and the driven tooth bar of arc that the utility model two-dimensional electric tilt antenna transmission mechanism passes through transmission component
The rotation of reflecting plate relative seat is realized in cooperation, and so as to realize that level electricity is adjusted, drive device produces power drive transmission during angle modulation
Component, the driving gear of transmission component is engaged with the driven tooth bar of arc, and driving gear only need to be around arc with axial freedom
Driven tooth bar circular motion, and the driven tooth bar of arc is coaxial with reflecting plate center of rotation, so reflecting plate is around rotation center rotating,
So as to the horizontal angle modulation for completing antenna works.Because the structural relation being engaged of the driven tooth bar of driving gear and arc can be realized
Transmission component, is fixed on reflecting plate by precision angle adjustment higher, and the driven tooth bar of arc is fixed on bearing, makes center of rotation
With the increase of the distance between driving gear meshing point so that antenna angle modulation precision is improved, while also enhancing a day knot
The self-locking effect of structure intensity and transmission component, the utility model simple structure is convenient, can effectively improve what antenna level electricity was adjusted
Precision, improves the overall construction intensity of antenna, reduces production cost.
The utility model can realize larger gearratio by two level conversions；Make itself arc driven by fixing device
Tooth bar can be operated in semifixed state, so as to reduce assembling and required precision.
Further, the utility model has the direct engaged transmission of worm and wheel due to transmission component, whole to reach
Mechanism has complete auto-lock function.Again because whole transmission component is fixed on reflecting plate, and motor drives worm screw to rotate, worm screw
Worm gear, worm gear synchronization driving gear, driving gear engagement arc driven tooth bar are driven, and the driven rack fixing seat constraint of arc is passed
The spur gear of dynamic component and the centre-to-centre spacing of the driven tooth bar of arc, therefore spur gear does circumference fortune with arc meshing point around reflecting plate center
Dynamic, i.e., reflecting plate rotates (reflecting plate is integrated with transmission component) vertically, so as to complete the high-precision horizontal angle modulation of antenna
Work, and realize auto-lock function.
Additionally, the utility model increase reflecting plate central shaft and transmission component meshing point distance so as to reduce at double processing and
The diastema that assembling brings.
【Brief description of the drawings】
Fig. 1 is that prior art two dimension electricity adjusts drive mechanism；
Fig. 2 is the structural representation of the utility model two-dimensional electric tilt antenna transmission mechanism；
Fig. 3 is the part-structure schematic diagram of the utility model two-dimensional electric tilt antenna transmission mechanism；
Fig. 4 is the explosive view of the utility model two-dimensional electric tilt antenna transmission mechanism.
【Specific embodiment】
Refer to Fig. 2~4, the utility model provides a kind of two-dimensional electric tilt antenna transmission mechanism, it include bearing 11 and
Can relative seat rotate reflecting plate 14, drive device, be fixed on reflecting plate 14 transmission component, be fixed on bearing 11
The driven tooth bar 410 of arc, in the present embodiment, the drive device is motor 41, and the transmission component includes being connected to the motor 41
Drive shaft on motor gear 42 engaged with motor gear 42 worm screw 414, by worm screw 414 drive with locking worm gear 47,
With the driving gear 48 of the synchronous axial system of worm gear 47.The driven tooth bar 410 of the arc is engaged with the driving gear 48, the driving gear
48 only have axial freedom around the driven circular motion of tooth bar 410 of arc, and the driven tooth bar 410 of the arc is rotated with reflecting plate 14
Center is coaxial, so reflecting plate can be around rotation center rotating.
The worm gear 47 is arranged in transmission fixed seat 15 by worm-wheel shaft 45, is set along central axis direction.The worm screw 414 is led to
Cross worm shaft 413 be arranged on transmission fixed seat 15 on, the transmission fixed seat 15 is provided with electric machine spacing part 43, the motor 41 with should
Electric machine spacing part 43 coordinates to be installed.The transmission component is fixed on reflecting plate 14 entirely through transmission fixed seat 15.
The driven lower end of tooth bar 410 of the arc is fixed on the driven tooth bar of arc and fixes by the driven tooth bar fixing axle 412 of arc
On seat 16, the driven rack fixing seat 16 of the arc is arranged on bearing 11, the driven upper end of tooth bar 410 of the arc and the driving gear
48 engagements.
The transmission component also includes the driven tooth bar limit shaft 49 of arc and two driven tooth bar banking stops 46 of arc, this two
The driven one end of tooth bar banking stop 46 of arc be arranged on the worm-wheel shaft 45 on, and the worm gear 47 and driving gear 48 be arranged on this two
Between the individual driven tooth bar banking stop 46 of arc, the arc is connected between the driven other end of tooth bar banking stop 46 of two arcs
Driven tooth bar limit shaft 49, the driven tooth bar 410 of the arc is arranged on the driven tooth bar limit shaft 49 of the arc with the worm gear 47 and master
Between moving gear 48, centre-to-centre spacing is limited by the driven tooth bar limit shaft 49 of arc.
The bearing 11 is L-type part, and the driven rack fixing seat 16 of the arc is arranged on the L-type side of bearing 11, bearing L
Type opposite side is provided with main shaft 13 and bearing assembly 12, and the reflecting plate 14 is coordinated by bearing assembly 12 and main shaft 13 can be turned around main shaft
It is dynamic.For overall structure, the axle at the reflecting plate two ends is assembled together with the bearing assembly on upper undersetting, by connection
Support links into an integrated entity reflecting plate and upper undersetting, and now, reflecting plate can rotate vertically.
The wherein driven tooth bar banking stop 46, arc of motor 41, motor gear 42, electric machine spacing part 43, worm-wheel shaft 45, arc
Driven tooth bar limit shaft 49, worm gear 47, driving gear 48, worm shaft 413, worm screw 414 combine the structure in transmission fixed seat 15
Integralization transmission component, transmission component is fixed on reflecting plate 14.Motor 41 produces power drive motor gear 42, electricity during angle modulation
Machine gear 42 engages worm screw 414, and worm screw 414 drives and locking worm gear 47, the synchronous driving gear 48 of worm gear 47, and driving gear 48 is only
Need to be around 410 circular motion with axial freedom, and 410 is coaxial with reflecting plate center of rotation, so reflecting plate is around center of rotation
Rotate, so as to complete the horizontal angle modulation work of antenna.The utility model simple structure is convenient, can effectively improve antenna level tune
Precision, improve antenna overall construction intensity, reduce production cost.
Because transmission component has worm screw 414 and the direct engaged transmission of worm gear 47, have completely certainly to reach whole mechanism
Lock function.Again because whole transmission component is fixed on reflecting plate 14, and motor 41 drives worm screw 414 to rotate, and worm screw 414 drives
The worm gear of worm gear 47,47 synchronization driving gear 48, the engagement arc driven tooth of driving gear 48 bar 410, and the driven tooth bar of arc is fixed
Seat 16 constrains the centre-to-centre spacing of spur gear and the driven tooth bar of arc of transmission components, thus spur gear with arc meshing point in reflecting plate
The heart moves in a circle, i.e., reflecting plate rotates (reflecting plate is integrated with transmission component) vertically, so as to complete the high accuracy of antenna
Horizontal angle modulation work, and realize auto-lock function.
Preferred embodiment of the present utility model is the foregoing is only, protection domain of the present utility model is not limited thereto,
Any equivalent transformation based in technical solutions of the utility model is belonged within the utility model protection domain.
Claims (10)
1. a kind of two-dimensional electric tilt antenna transmission mechanism, it include bearing and can the reflecting plate that rotates of relative seat, its feature exists
In, it further includes drive device, the transmission component being fixed on reflecting plate, the driven tooth bar of arc being fixed on bearing,
The transmission component includes the driving gear driven by drive device, and the driven tooth bar of the arc is engaged with the driving gear, and this is actively
Gear only has axial freedom around the driven tooth bar circular motion of arc, and the driven tooth bar of the arc is total to reflecting plate center of rotation
Axle, so reflecting plate can be around rotation center rotating.
2. two-dimensional electric tilt antenna transmission mechanism as claimed in claim 1, it is characterised in that the drive device is motor.
3. two-dimensional electric tilt antenna transmission mechanism as claimed in claim 2, it is characterised in that the transmission component also includes being connected to
Motor gear in the drive shaft of the motor, the motor gear and then connects and drives the driving gear.
4. two-dimensional electric tilt antenna transmission mechanism as claimed in claim 3, it is characterised in that the transmission component also include worm screw and
Worm gear, motor gear engagement worm screw, the worm drive and the locking worm gear, the worm gear and the driving gear synchronous axial system.
5. two-dimensional electric tilt antenna transmission mechanism as claimed in claim 4, it is characterised in that the transmission component also includes worm gear
Axle, the worm gear is arranged in transmission fixed seat by worm-wheel shaft.
6. two-dimensional electric tilt antenna transmission mechanism as claimed in claim 5, it is characterised in that the transmission component also include arc from
Carry-over bar limit shaft and two driven tooth bar banking stops of arc, the driven tooth bar banking stop one end of two arcs are arranged on the worm gear
On axle, and the worm gear and driving gear are arranged between the driven tooth bar banking stop of two arcs, two arc driven tooths
The driven tooth bar limit shaft of the arc is connected between the bar banking stop other end, it is driven that the driven tooth bar of the arc is arranged on the arc
Between tooth bar limit shaft and the worm gear and driving gear.
7. two-dimensional electric tilt antenna transmission mechanism as claimed in claim 6, it is characterised in that the driven tooth bar lower end of the arc passes through
The driven tooth bar fixing axle of arc is fixed on the driven rack fixing seat of arc, and the driven rack fixing seat of the arc is arranged on bearing
On, the driven tooth bar upper end of the arc is engaged with the driving gear.
8. two-dimensional electric tilt antenna transmission mechanism as claimed in claim 7, it is characterised in that the transmission component is fixed by being driven
Seat is fixed on reflecting plate.
9. two-dimensional electric tilt antenna transmission mechanism as claimed in claim 8, it is characterised in that the transmission fixed seat is provided with motor
Locating part, the motor coordinates with the electric machine spacing part to be installed.
10. two-dimensional electric tilt antenna transmission mechanism as claimed in claim 9, it is characterised in that the bearing is L-type part, the arc
Driven rack fixing seat is arranged on bearing L-type side, and the bearing L-type opposite side is provided with main shaft and bearing assembly, the reflecting plate
Being coordinated by bearing assembly and main shaft can be around main axis.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621011981.0U CN206259496U (en) | 2016-08-31 | 2016-08-31 | Two-dimensional electric tilt antenna transmission mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621011981.0U CN206259496U (en) | 2016-08-31 | 2016-08-31 | Two-dimensional electric tilt antenna transmission mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206259496U true CN206259496U (en) | 2017-06-16 |
Family
ID=59023504
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621011981.0U Active CN206259496U (en) | 2016-08-31 | 2016-08-31 | Two-dimensional electric tilt antenna transmission mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206259496U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108365342A (en) * | 2018-02-28 | 2018-08-03 | 武汉虹信通信技术有限责任公司 | A kind of two-dimensional electric tilt antenna regulating device |
| CN109870740A (en) * | 2018-12-29 | 2019-06-11 | 清华大学 | Millimeter wave/THz wave imaging device and its reflecting plate regulating device |
-
2016
- 2016-08-31 CN CN201621011981.0U patent/CN206259496U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108365342A (en) * | 2018-02-28 | 2018-08-03 | 武汉虹信通信技术有限责任公司 | A kind of two-dimensional electric tilt antenna regulating device |
| CN108365342B (en) * | 2018-02-28 | 2020-04-24 | 武汉虹信通信技术有限责任公司 | Two-dimensional electrically-controlled antenna adjusting device |
| CN109870740A (en) * | 2018-12-29 | 2019-06-11 | 清华大学 | Millimeter wave/THz wave imaging device and its reflecting plate regulating device |
| CN109870740B (en) * | 2018-12-29 | 2024-03-01 | 清华大学 | Millimeter wave/terahertz wave imaging device and reflecting plate adjusting device thereof |
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