CN109346846A - The external transmission device of antenna - Google Patents
The external transmission device of antenna Download PDFInfo
- Publication number
- CN109346846A CN109346846A CN201811101212.3A CN201811101212A CN109346846A CN 109346846 A CN109346846 A CN 109346846A CN 201811101212 A CN201811101212 A CN 201811101212A CN 109346846 A CN109346846 A CN 109346846A
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- drive screw
- gear
- short
- transmission device
- screw
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 78
- 125000003003 spiro group Chemical group 0.000 claims description 17
- 238000010079 rubber tapping Methods 0.000 claims description 7
- 239000011521 glass Substances 0.000 claims description 4
- 238000009434 installation Methods 0.000 abstract description 6
- 238000010586 diagram Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000033001 locomotion Effects 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000010363 phase shift Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000003786 synthesis reaction 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
- H01Q3/26—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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- Transmission Devices (AREA)
Abstract
The present invention is suitable for antenna equipment technical field, provide a kind of external transmission device of antenna, it include support base, positioning mechanism, short drive screw and long drive screw, the short drive screw connect with the positioning mechanism and is fixed on inside the support base, one end of the short drive screw and the long drive screw is respectively sleeved on first gear and second gear, the first gear and the second gear are respectively arranged in the positioning mechanism and are intermeshed connection, are rotated so that long drive screw described in screw drive is moved in the short pass.Whereby, the present invention can be realized the transmission of larger stroke, easy for installation, improve working efficiency, easy to operate and at low cost.
Description
Technical field
The present invention relates to antenna equipment technical field more particularly to a kind of external transmission devices of antenna.
Background technique
Antenna plays a crucial role in the base station system of communication, and electrical tilt antenna is exactly to be had a down dip using electronics adjustment
The portable antenna of angle, its working principle is that being changed by the phase for electronically changing the conllinear each radiating element of array antenna
The amplitude size of vertical component and horizontal component changes synthesis component field strength, to make under the vertical directivity pattern of antenna
Incline.
Current, base station multifrequency electrical tilt antenna is using more and more extensive, and functional module is more and more, for different phase shifts
The stroke adjustment requirement of device is also higher and higher, in the prior art, usually phase shifter is adjusted using transmission component, to adjust
The lower decline angle of antenna is saved, existing transmission component drives transmission nut using single drive screw, keeps it axial on screw rod
It is mobile, and the phase shifter and graduated scale with transmission nut motion association are driven, to realize that adjusting phase shifter and tilt angled down shows
The effect shown then needs longer graduated scale when needing to adjust large range of phase shifter, and occupied space is larger.When wanting
When meeting different angle of declination requirements, different transmission shafts is needed to configure to meet job requirement, increases complete machine cost, reduces work
Make efficiency.
Therefore transmission component is too small apart from adjustable range in the prior art, and it is inconvenient that distance is adjusted, difficult to install, mode of operation
Complicated graduated scale occupied space is excessive, and debug time is long, and working efficiency is low.
In summary, existing method is in actual use, it is clear that there is inconvenient and defect, it is therefore necessary to be changed
Into.
Summary of the invention
For above-mentioned defect, the purpose of the present invention is to provide a kind of external transmission device of antenna, can be realized compared with
The transmission of big stroke, it is easy for installation, working efficiency is improved, it is easy to operate and at low cost.
To achieve the goals above, the present invention provides a kind of external transmission devices of antenna, include support base, positioning
Mechanism, short drive screw and long drive screw, the short drive screw connect with the positioning mechanism and are fixed on the branch
It supports inside seat, one end of the short drive screw and the long drive screw is respectively sleeved on first gear and second gear, institute
It states first gear and the second gear is respectively arranged in the positioning mechanism and is intermeshed connection, so that the short pass
Long drive screw described in dynamic screw drive is rotated.
According to the external transmission device of the antenna, the positioning mechanism includes the first positioning seat and the second positioning seat,
First positioning seat and second positioning seat combination are screwed on the support base, and the short drive screw and the length
The intermeshing one end of drive screw is installed on first positioning seat and the second positioning seat.
According to the external transmission device of the antenna, first positioning seat and second positioning seat are equipped with phase
The first slot and the second slot matched, one end that the short drive screw shaft is connected to the first gear are set as first rotating shaft, institute
First rotating shaft is stated to be pivotally mounted in first slot and second slot.
According to the external transmission device of the antenna, first positioning seat and second positioning seat are equipped with phase
The first circular hole and the second circular hole matched, one end that the long drive screw shaft is connected to the second gear are set as the second shaft, institute
The second shaft is stated to be pivotally mounted in first circular hole and second circular hole.
According to the external transmission device of the antenna, first positioning seat and/or second positioning seat are equipped with
Groove, the first gear and the second gear, which are installed in the groove, is engaged connection.
According to the external transmission device of the antenna, the short pass moves screw flight surface and is arranged with a transmission spiral shell
Mother, transmission nut opposite thread on the short drive screw is driven, and the short drive screw is equipped with for limiting
The position-limit mechanism of the transmission nut.
According to the external transmission device of the antenna, the position-limit mechanism includes spiro rod cap and locating snap ring, the spiral shell
Pole cap is fixedly installed in the short drive screw in the other end relative to the first gear, the fixed peace of the locating snap ring
Screw flight surface is moved mounted in the short pass, the transmission nut is screwed onto the institute between the spiro rod cap and the locating snap ring
It states on short drive screw.
According to the external transmission device of the antenna, the spiro rod cap is equipped with trapezoidal hole, the short drive screw
Trapezoidal protrusion compatible with the trapezoidal hole is equipped in the other end relative to the first gear, it is described trapezoidal convex
It rises and is equipped with a self tapping nail hole, the trapezoidal protrusion is installed in the trapezoidal hole and hammers into self threading pin toward the self tapping nail hole
The spiro rod cap to be fixed.
According to the external transmission device of the antenna, the outer surface assembly of the transmission nut has a graduated scale, described
Support base offers observation hole location on the surface for being right against the graduated scale, is equipped with a transparent glass in the observation hole location
Lid.
The external transmission device of antenna of the present invention includes support base, positioning mechanism, short drive screw and length
Drive screw, the short drive screw connect with the positioning mechanism and are fixed on inside the support base, and spiral shell is moved in the short pass
One end of bar and the long drive screw is respectively sleeved on first gear and second gear, the first gear and second tooth
Wheel is respectively arranged in the positioning mechanism and is intermeshed connection, so that long transmission spiral shell described in screw drive is moved in the short pass
Bar is rotated.Whereby, the present invention can be realized the transmission of larger stroke, easy for installation, improve working efficiency, it is easy to operate and
It is at low cost.
Detailed description of the invention
Fig. 1 is the Structure explosion diagram of the external transmission device of antenna described in the preferred embodiment of the present invention；
Fig. 2 is the partial structural diagram of the external transmission device of antenna described in the preferred embodiment of the present invention；
Fig. 3 is the structural schematic diagram of the spiro rod cap of the external transmission device of antenna described in the preferred embodiment of the present invention；
Fig. 4 is the structural schematic diagram of the locating snap ring of the external transmission device of antenna described in the preferred embodiment of the present invention；
Fig. 5 is the structural representation of the short drive screw of the external transmission device of antenna described in the preferred embodiment of the present invention
Figure；
Fig. 6 is the structural representation of first positioning seat of the external transmission device of antenna described in the preferred embodiment of the present invention
Figure；
Fig. 7 is the structural representation of second positioning seat of the external transmission device of antenna described in the preferred embodiment of the present invention
Figure；
Fig. 8 is the structural representation of the long drive screw of the external transmission device of antenna described in the preferred embodiment of the present invention
Figure.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
FIG. 1 to FIG. 8 shows the external transmission device 100 of antenna described in the preferred embodiment of the present invention, includes support base
10, positioning mechanism, short drive screw 30 and long drive screw 40, the short drive screw 30 connect and fix with positioning mechanism
Inside support base 10, one end of the short drive screw 30 and long drive screw 40 is respectively sleeved on first gear 303 and
Two gears 401, the first gear 303 and second gear 401 are respectively arranged in the positioning mechanism and are intermeshed connection,
It is rotated so that short drive screw 30 is driven long drive screw 40.The external transmission device 100 is applied particularly to and electricity
The phase shifter connection for adjusting antenna is realized at a distance by the transmission cooperation between short drive screw 30 and long drive screw 40
Transmission is adjusted, and is attached especially by the long drive screw 40 with phase shifter, is adjusted by the rotation of long drive screw 40
Save the angle of declination of the phase shifter, it is easy for installation to realize the transmission of larger stroke, improve working efficiency, it is easy to operate and
It is at low cost.
Such as Fig. 6~Fig. 7, the positioning mechanism includes the first positioning seat 21 and the second positioning seat 22, first positioning seat
21 and second the combination of positioning seat 22 be screwed on support base 10, and the short drive screw 30 and long drive screw 40 are intermeshed
One end be installed on the first positioning seat 21 and the second positioning seat 22.The first positioning seat of the embodiment of the present invention 21 is equipped with the first peace
Hole 211 is filled, the second positioning seat 22 is equipped with the second mounting hole 221 for matching with the first mounting hole 211, by by the first mounting hole
211 and second the combination of mounting hole 221 dock and be screwed into fixing screws to the support base 10 and be fixed, spiral shell is moved in the short pass
One end of bar 30 and long drive screw 40 is mounted on the positioning mechanism；The inside of the support base 10 is set as empty slot,
In the accommodating of short drive screw 30 and the empty slot, and the positioning mechanism is fixedly installed in the empty slot slot of support base 10
Place, long 40 abutting joint of drive screw is in the other end of the positioning mechanism relative to short drive screw 30, and described
The end of long drive screw 40 is also equipped with third positioning seat 42, and the third positioning seat 42 is for fixing the long drive screw
40 least significant end；It is additionally provided on the long drive screw 40 and adjusts component 41, pass through the phase shift for adjusting component 41 and antenna
Device is attached, to adjust the phase shifter work.
Preferably, first positioning seat 21 and the second positioning seat 22 are equipped with the first slot 213 to match and the
Two slots 223, one end that the short drive screw 30 is connected with first gear 303 are set as first rotating shaft 304, the first rotating shaft
304 are pivotally mounted in first slot 213 and the second slot 223.Such as figure, first slot 213 and the second slot
The opening-like round hole of 223 slot bottom, the first rotating shaft 304 are installed in first slot 213 and the second slot 223
It is free to rotate, and limit short drive screw 30 and radially move.Further, first positioning seat 21 and the second positioning seat
22 are equipped with the first circular hole 212 and the second circular hole 222 to match, and the long drive screw 40 is connected with second gear 401
One end is set as the second shaft 402, and second shaft 402 is pivotally mounted to first circular hole 212 and the second circular hole 222
It is interior.Wherein, the first circular hole 212 is the round hole of closure, and the end of the second shaft 402 is inserted into the first circular hole 212, described second
Circular hole 222 is ringent circular hole, and the second shaft 402 is placed in and can limit it in the second circular hole 222 and radially move, and is played solid
It is set for using.
First positioning seat 21 and/or second positioning seat 22 are equipped with groove, the first gear 303 and second
Gear 401, which is installed in the groove, is engaged connection.The present embodiment is equipped with the groove on the second positioning seat 22, described
Short drive screw 30 and long drive screw 40 are mounted on positioning mechanism, make the first gear 303 and second gear just
401 engagement connections in the groove, to rotated by short drive screw 30 to be further driven to long drive screw 40 and carry out
Rotation；The gear mating part of two screw rods is fixed and is protected by the positioning mechanism, and limits short 30 He of drive screw
Long drive screw 40 axially moves.
The thread surface of the short drive screw 30 is arranged with a transmission nut 50, and the transmission nut 50 moves spiral shell in short pass
Opposite thread is driven on bar 30, and the short drive screw 30 is equipped with the position-limit mechanism for limiting transmission nut 50.That is institute
The outer surface for stating short drive screw 30 is equipped with external screw thread, and the transmission nut 50 is equipped with corresponding internal screw thread, and described
Transmission nut 50 is sheathed on the surface of short drive screw 30, then when short drive screw 30 rotates, the transmission nut 50 then phase
It is relatively moved along the hand of spiral on short 30 surface of drive screw with answering, the transmission nut 50 is specially linear slide, institute
It states short drive screw 30 to rotate, and transmission nut 50 only does horizontal motion.The outer surface assembly of the transmission nut 50 has
One graduated scale 101, the support base 10 offer observation hole location on the surface for being right against graduated scale 101, in the observation hole location
On a transparent glass cover 102 is installed；The graduated scale 101 is equipped with scale value relative to the another side of transmission nut 50, thus
Rotating the short drive screw 30 makes the transmission nut 50 drive graduated scale relative movement, that is, can pass through the transparent glass
Lid 102 observes the scale variation of graduated scale 101, and the transmission nut 50 on graduated scale 101 and short drive screw 30 cooperates, and works as adjusting
When large range of stroke, only shorter graduated scale 101 is needed just to can reach the effect that scale is shown, reduces graduated scale and occupy sky
Between.It is preferred that the structure and transmission nut 50 of the adjusting component 41 in the present embodiment are similar or identical, it is same by turning
Long drive screw 40 is moved in the surface screw-driven of the long drive screw 40.
Preferably, the position-limit mechanism includes spiro rod cap 32 and locating snap ring 31, and the spiro rod cap 32 is fixedly installed in
For the short drive screw 30 in the other end relative to first gear 303, it is dynamic that the locating snap ring 31 is fixedly mounted on short pass
The thread surface of screw rod 30, the transmission nut 50 are screwed onto the short pass between the spiro rod cap 32 and locating snap ring 31 and move spiral shell
On bar 30.It is moved to which the transmission nut 50 is limited in the distance between spiro rod cap 32 and locating snap ring 31, it is described to stop
The mounting distance of rotating ring 31 can be designed according to different demands, adjustable by adjusting the different installation site of locating snap ring 31
The stroke of external transmission device 100, to meet the requirement of phase shifter difference tilt angled down.
Such as Fig. 3~Fig. 5, the spiro rod cap 32 is equipped with trapezoidal hole 321, and the short drive screw 30 is relative to first
The other end of gear 303 is equipped on compatible with the trapezoidal hole 321 trapezoidal raised 301, described trapezoidal raised 301
It is installed in the trapezoidal hole 321 equipped with a self tapping nail hole, described trapezoidal raised 301 and hammers into self tapping toward the self tapping nail hole
Nail 33 is passed through self threading pin 33 and is locked spiro rod cap 32 and short drive screw 30 so that spiro rod cap 32 is fixed.The locating snap ring 31
It is equipped with the first screw hole 311, the short drive screw 30 is equipped with the second screw hole 302, is screwed into described first by fastening screw
311 to the second screw hole 302 of screw hole, the locating snap ring 31 is fixed on short drive screw 30.First screw hole 311 and
Two screw holes 302 can carry out cooperation fixation by interior hexagonal groove holding screw.It is of course also possible to be that other are fixedly connected with mode.
The spiro rod cap 32 and the opposite end face of locating snap ring 31 are additionally provided with the first bolster 322 and the second bolster 312, can play and pass
The effect of dynamic 50 snubber contact of nut.
In conclusion the external transmission device of antenna of the present invention, including support base, two one is long and the other is short passes through tooth
The screw rod with drive transmission is taken turns, the transmission nut and the fixed location structure for protecting screw rod with screw rod corresponding matching, described first
Gear and the second gear are respectively arranged in the positioning mechanism and are intermeshed connection, so that the short drive screw
The long drive screw is driven to be rotated.Whereby, the present invention can be realized the transmission of larger stroke, easy for installation, improve work
Make efficiency, it is easy to operate and at low cost.
Certainly, the present invention can also have other various embodiments, without deviating from the spirit and substance of the present invention, ripe
It knows those skilled in the art and makes various corresponding changes and modifications, but these corresponding changes and change in accordance with the present invention
Shape all should fall within the scope of protection of the appended claims of the present invention.
Claims (9)
1. a kind of external transmission device of antenna, which is characterized in that include support base, positioning mechanism, short drive screw and
Long drive screw, the short drive screw connect with the positioning mechanism and are fixed on inside the support base, and the short pass is dynamic
One end of screw rod and the long drive screw is respectively sleeved on first gear and second gear, the first gear and described second
Gear is respectively arranged in the positioning mechanism and is intermeshed connection, so that long transmission described in screw drive is moved in the short pass
Screw rod is rotated.
2. the external transmission device of antenna according to claim 1, which is characterized in that the positioning mechanism includes first fixed
Position seat and the second positioning seat, first positioning seat and second positioning seat combination are screwed on the support base, and described
Short drive screw and described intermeshing one end of long drive screw are installed on first positioning seat and the second positioning seat.
3. the external transmission device of antenna according to claim 2, which is characterized in that first positioning seat and described
Two positioning seats are equipped with the first slot and the second slot to match, and the short drive screw shaft is connected to the one of the first gear
End is set as first rotating shaft, and the first rotating shaft is pivotally mounted in first slot and second slot.
4. the external transmission device of antenna according to claim 2, which is characterized in that first positioning seat and described
Two positioning seats are equipped with the first circular hole and the second circular hole to match, and the long drive screw shaft is connected to the one of the second gear
End is set as the second shaft, and second shaft is pivotally mounted in first circular hole and second circular hole.
5. the external transmission device of antenna according to claim 2, which is characterized in that first positioning seat and/or institute
The second positioning seat is stated equipped with groove, the first gear and the second gear are installed on the company of being engaged in the groove
It connects.
6. the external transmission device of antenna according to claim 1, which is characterized in that screw flight table is moved in the short pass
Surface cover is equipped with a transmission nut, and transmission nut opposite thread on the short drive screw is driven, and spiral shell is moved in the short pass
Bar is equipped with the position-limit mechanism for limiting the transmission nut.
7. the external transmission device of antenna according to claim 6, which is characterized in that the position-limit mechanism includes screw rod
Cap and locating snap ring, the spiro rod cap are fixedly installed in the short drive screw in the other end relative to the first gear
On, the locating snap ring is fixedly mounted on the short pass and moves screw flight surface, and the transmission nut is screwed onto the spiro rod cap
On the short drive screw between the locating snap ring.
8. the external transmission device of antenna according to claim 7, which is characterized in that the spiro rod cap is equipped with trapezoidal logical
Hole, the short drive screw are equipped with ladder compatible with the trapezoidal hole in the other end relative to the first gear
Shape protrusion, the trapezoidal protrusion are equipped with a self tapping nail hole, and it is interior and past described that the trapezoidal protrusion is installed on the trapezoidal hole
Self tapping nail hole hammers into self threading pin to fix the spiro rod cap.
9. the external transmission device of antenna according to claim 6, which is characterized in that the outer surface of the transmission nut fills
Embedded with a graduated scale, the support base offers observation hole location on the surface for being right against the graduated scale, in the observation hole location
On a transparent glass cover is installed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811101212.3A CN109346846B (en) | 2018-09-20 | 2018-09-20 | External transmission device of antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811101212.3A CN109346846B (en) | 2018-09-20 | 2018-09-20 | External transmission device of antenna |
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| Publication Number | Publication Date |
|---|---|
| CN109346846A true CN109346846A (en) | 2019-02-15 |
| CN109346846B CN109346846B (en) | 2024-01-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811101212.3A Active CN109346846B (en) | 2018-09-20 | 2018-09-20 | External transmission device of antenna |
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| Country | Link |
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| CN (1) | CN109346846B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023160180A1 (en) * | 2022-02-28 | 2023-08-31 | 普罗斯通信技术（苏州）有限公司 | Transmission apparatus for antenna |
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-
2018
- 2018-09-20 CN CN201811101212.3A patent/CN109346846B/en active Active
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|---|---|
| CN109346846B (en) | 2024-01-30 |
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