CN207989661U - The transmission device and its changeover module of Downtilt - Google Patents
The transmission device and its changeover module of Downtilt Download PDFInfo
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- CN207989661U CN207989661U CN201721928852.2U CN201721928852U CN207989661U CN 207989661 U CN207989661 U CN 207989661U CN 201721928852 U CN201721928852 U CN 201721928852U CN 207989661 U CN207989661 U CN 207989661U
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Abstract
The utility model discloses a kind of transmission device of Downtilt and its changeover module, which includes output precision, and output precision includes output gear；First transmission component, it is outer and be optionally meshed on the inside of any one of output gear that the second end of the first driven gear in the first transmission component is set to the ring gear；First one way component is arranged close to ring gear, and the first one way component includes the first revolving part that can be one-directionally rotated along the first direction of rotation, and the first revolving part is fixedly connected with ring gear；Second transmission component, the 4th driven gear in the second transmission component can rotation be set to it is on the second gear box and opposite with the rotation direction of the first driven gear；And switching gear train, the first gear box drive the second gear box to rotate by switching gear train.The transmission device and its changeover module of the Downtilt can realize the independent control of two or more tilted angle of antenna, and compact-sized.
Description
Technical field
The utility model is related to mobile communication equipment technical fields, more particularly to a kind of transmission device of Downtilt
And its changeover module.
Background technology
With being continuously increased for mobile communication terminal user quantity, to the network capacity requirements of website in mobile cellular network
It is increasing, while the interference between the even different sectors of same site being required between different websites to accomplish minimum, that is, it realizes
The minimum of maximization and the interference of network capacity.Realize this purpose, antenna downwards bevel beam angle in generally use adaptation stations
Mode realize.
Currently, the mode at adjustment downwards bevel beam angle is divided into：Mechanical tilt and electrical tilt, and electrical tilt is with the obvious advantage,
It is current mainstream and following development trend.The structure of the transmission device of the Downtilt at traditional electrical tilt angle is more multiple
It is miscellaneous, when number of beams is more, inner antenna space can be caused larger, the size of the transmission device of entire Downtilt is inclined
Greatly, and cost can be substantially improved.
Invention content
Based on this, it is necessary to provide a kind of transmission device and its changeover module of Downtilt, can realize two or two
The independent control of the tilt angled down of a above beam antenna, and it is compact-sized, overall dimensions are small.
Its technical solution is as follows：
On the one hand, the utility model embodiment provides a kind of changeover module, including：First transmission component, described first passes
Dynamic component includes ring gear, first driving gear coaxial with the ring gear, connects with the first driving gear formation effect
The first driven gear for connecing and for built-in first driving gear and the first gear box of first driven gear,
First driving gear drives the first driven gear rotation, first driven gear to be rotatably set to described first
On gear box, the first end of first driven gear is meshed with the ring gear, and can rotation, or around the ring gear
Rotation and revolution simultaneously drive first gear box to rotate, and the second end of first driven gear is set to the ring gear
Outside；Irreversible control, the irreversible control are fixed on predeterminated position, and the irreversible control includes the first unidirectional set
Part, first one way component are arranged close to the ring gear, and first one way component includes can be single along the first direction of rotation
To the first revolving part of rotation, first revolving part is fixedly connected with the ring gear；Second transmission component, including be used for interior
Set the second gear box of gear；And switching gear train, first gear box drive described second by the switching gear train
Gear box rotation is described and outside of the 4th driven gear optionally with the preset output gear is driven mutually to nibble
It closes.
When above-mentioned changeover module is applied to the power transmission of Downtilt, the transmission mechanism of output gear and antenna wave guide
Fixed conveyor connects, and drives the first driving gear, the first driving gear to drive the first driven gear rotation using servo motor；
When the first driving gear drives the negative direction of the first driven gear along the first direction of rotation to rotate, because ring gear and first rotate
The connection of part fixed conveyor, the first revolving part cannot be along the first direction of rotation negative direction rotation, ring gear can not be along the at this time
The negative direction of one direction of rotation rotates, and ring gear is fixed, thus the direction of the first driven gear along the first direction of rotation carries out public affairs
Turn, while the direction of the first gear box along the first direction of rotation being driven to be rotated, and then second is driven by switching gear train
Gear box rotates, that is, the gear on the first driven gear and the second gear box revolves round the sun at this time, optionally with require to adjust
Whole output gear is meshed；When the gear on the first driven gear or the second gear box is meshed with output gear, reversion
The direction of rotation of servo motor, the first driving gear drive the first driven gear to carry out rotation along the first direction of rotation, and at this time the
The rotation that one ring gear can rotate along the first direction of rotation, the first revolving part can be along the first direction of rotation, at this point, the first driven tooth
Gear on wheel or the second gear box is engaged with output gear shaft, and then can realize power output, it can be achieved that having a down dip to antenna
The bidirectional modulation at angle；It when adjusting next time, then allows the gear rotation and revolution on the first driven gear and the second gear box, reaches
After needing adjusting position, then the gear on the first driven gear and the second gear box is made only to carry out rotation, you can to realize respective antenna
The adjustment of angle of declination；Since the gear on the first driven gear and the second gear box is arranged at the side of output gear, make this
The compact-sized of changeover module, size are small, and a power plant, which may be implemented, can drive the first gear box and the second gear box
It rotates and fixed, makes the gear in gear box that can be meshed with output gear, simplify the control antenna of transmission Downtilt
The power output mode of the transmission device of angle of declination.
Technical solution is illustrated further below：
The switching gear train includes connect with the first gear box fixed conveyor in one of the embodiments,
One change gear and the second change gear being meshed with first change gear, first gear box and/or described
One driven gear drives first change gear to carry out rotation, second teeth change along the axis of first driving gear
Wheel connect with the second gear box fixed conveyor and second gear box is driven to rotate.
Second transmission component and second change gear are at least two groups and one in one of the embodiments,
One corresponds to, and at least two second transmission components are arranged at intervals at the outside of the output precision, and at least two described second
Change gear interval be arranged the outside of first change gear and with the second gear box of corresponding second transmission component
It is fixedly connected.
The irreversible control further includes the second one way component in one of the embodiments, second unidirectional set
Part is arranged close to first change gear, and second one way component includes can one-directionally rotate along the first direction of rotation second
Revolving part, second revolving part are connect with the first change gear fixed conveyor, first change gear and described the
One gear box is fixedly connected.
In one of the embodiments, second one way component further include with the fixed sleeve of the second revolving part,
One end of the sleeve is buckled to fix with first change gear.
On the other hand, the utility model embodiment provides a kind of transmission device of Downtilt, including above-mentioned switch groups
Part further includes：Output precision, the output precision include at least two along same circumferentially spaced output gear；It is described
The second end of first driven gear is set to outside the ring gear the optionally inside with any one of output gear
It is meshed；And second transmission component further includes coaxial with first driving gear and solid with first driving gear
Surely the second driving gear for being sequentially connected, with the second driven gear of the second driving gear formation effect connection, with it is described
Second driven gear is coaxially and the third driven gear of fixed conveyor connection and the third driven gear formation act on connection
4th driven gear, the third driven gear and the 4th driven gear are built in second gear box, and the described 4th
Driven gear can rotation be set to it is on second gear box and opposite with the rotation direction of the first driven gear.
The transmission device of above-mentioned Downtilt is in use, the transmission mechanism fixed conveyor of output gear and antenna wave guide connects
It connects, drives the first driving gear, the second driving gear, the first driving gear to drive the first driven gear certainly using servo motor
Turn, second gear drives the second driven gear rotation and third driven gear and the 4th driven gear is driven to rotate, first is driven
Sense of rotation between gear and the 4th driven gear is opposite；When the first driving gear drives the first driven gear along the first rotation
When the negative direction rotation in direction, because ring gear is connect with the first revolving part fixed conveyor, the first revolving part cannot be rotated along first
The negative direction in direction rotates, and the negative direction rotation that ring gear can not be along the first direction of rotation at this time, ring gear is fixed, thus the
The direction of one driven gear along the first direction of rotation is revolved round the sun, while driving the direction of the first gear box along the first direction of rotation
It is rotated, and then the rotation of the second gear box is driven by switching gear train, that is, the first driven gear and the 4th driven tooth at this time
Wheel revolves round the sun, and is optionally meshed with the output gear of adjustment is required；When the first driven gear or the 4th driven gear
When being meshed with output gear, the direction of rotation of servo motor is inverted, the first driving gear drives the first driven gear along first
Direction of rotation carries out rotation, and the second driving gear drives the negative direction of the 4th driven gear along the first direction of rotation to carry out rotation,
The rotation that the first ring gear can rotate along the first direction of rotation at this time, the first revolving part can be along the first direction of rotation, at this point, first
Driven gear or the 4th driven gear are engaged with output gear shaft, and then can realize power output, it can be achieved that having a down dip to antenna
The bidirectional modulation at angle；When adjusting next time, then the first driven gear and the 4th driven gear rotation and revolution, arrival is allowed to need to adjust
Behind position, then the first driven gear and the 4th driven gear is made only to carry out rotation, you can to realize the adjustment of respective antenna angle of declination；
Since the first driven gear and the 4th driven gear are arranged at the side of output gear, the Bidirectional power is made to export linkage
Compact-sized, size it is small, the bidirectional modulation of two angle of declinations to antenna can be realized in a power plant, simplifies transmission
The power output mode of the transmission device of the control Downtilt of Downtilt.
Technical solution is illustrated further below：
First change gear matches to form described first with first gear box in one of the embodiments,
First protective zone of driving gear and first driven gear, the both ends rotatable setting respectively of first driven gear
In in first change gear and first gear box；Second change gear matches shape with second gear box
At the third driven gear and the second protective zone of the 4th driven gear, the both ends of the 4th driven gear are distinguished
It is rotatably set on second change gear and second gear box.
Further include mounting assembly in one of the embodiments, the mounting assembly include two be oppositely arranged first
Mounting plate and the second mounting plate, and the support construction that is fixedly arranged between first mounting plate and second mounting plate, institute
It includes more struts to state support construction, more struts along it is same it is circumferentially-spaced enclose to set to form guard plot, it is the output precision, described
First transmission component, the irreversible control, the switching gear train and second gear box may be contained within the protection
In area, second driving gear and second driven gear are rotatably set to the outside of first mounting plate, described
First unidirectionally controlled component is set to the inside of first mounting plate, and second one way component is set to second installation
The inside of plate.
First driving gear is first gear axis, one end of the first gear axis in one of the embodiments,
Through first gear box, the ring gear, first revolving part and first mounting plate, with second driving tooth
Fixed conveyor connection is taken turns, the other end of the first gear axis is through first change gear, the second single direction rotation part
And second mounting plate, it is connect with the rotary output of power plant；The third driven gear is second gear axis, described
One end of third driven gear is connect across first mounting plate with the second driven gear fixed conveyor, the third from
The other end of moving gear passes through second change gear to be rotatablely connected with second mounting plate.
The switching gear train further includes and the fixed annular of the first change gear in one of the embodiments,
Part, the annular element are equipped with multiple induction parts；Second mounting plate is equipped with and the matched annular groove of the annular element, institute
The outer wall of annular groove is stated equipped with the sensing element with the induction part.
The output precision further includes mounting bracket in one of the embodiments, the mounting bracket and described first
Mounting plate is fixed, and the output gear is rotatably set between the mounting bracket and first mounting plate.
Description of the drawings
Fig. 1 is the structural blast schematic diagram of the transmission device of Downtilt described in the utility model；
Fig. 2 is the schematic elevation view of the transmission device of Downtilt described in the utility model；
Fig. 3 is the A-A schematic cross-sectional views in Fig. 2；
Fig. 4 is the B-B schematic cross-sectional views in Fig. 2；
Fig. 5 is the C-C schematic cross-sectional views in Fig. 2；
Fig. 6 is the elevational schematic view of the transmission device of Downtilt described in the utility model；
Fig. 7 is the vertical half-section diagram of the transmission device of Downtilt described in the utility model.
Reference sign：
100, output precision, 110, output gear, 120, mounting bracket, the 200, first transmission component, 210, ring gear,
220, the first driving gear, the 230, first driven gear, the 240, first gear box, the 310, first one way component, the 312, first rotation
Turn part, the 320, second one way component, the 322, second revolving part, 330, sleeve, the 400, second transmission component, the 410, second driving tooth
Wheel, the 420, second driven gear, 430, third driven gear, the 440, the 4th driven gear, the 450, second gear box, 500, switching
Gear set, the 510, first change gear, the 520, second change gear, 530, annular element, 532, induction part, 600, mounting assembly,
610, the first mounting plate, the 620, second mounting plate, 622, annular groove, 630, support construction, 632, strut.
Specific implementation mode
It is below in conjunction with attached drawing and specifically real to make the purpose of this utility model, technical solution and advantage be more clearly understood
Mode is applied, the utility model is described in further detail.It should be understood that the specific embodiments described herein
Only to explain the utility model, the scope of protection of the utility model is not limited.
It should be noted that when element is referred to as " being fixed on " another element, it can be directly on another element
Or there may also be elements placed in the middle, while the fixed form of the two can be the fixation being detachably connected, and can also be not
The fixation being detachably connected, specific such as socket, clamping are integrally formed fixed, welding.When an element is considered as that " connection " is another
One element, it can be directly to another element or may be simultaneously present centering elements.When an element is recognized
To be " fixed conveyor connection " another element, the two can be the fixation of detachable connection, can not also detachably connect
The fixation connect is specifically such as socketed, is clamped, being integrally formed fixed, welding.When element and another element are formed, " formation acts on
When connection ", the two can be intermeshing, or drive another element to turn come transfer motion power by other driving gear components
It is dynamic.Term as used herein " vertical ", " horizontal ", "left", "right" and similar statement simply to illustrate that mesh
, it is not offered as being unique embodiment.
Unless otherwise defined, all of technologies and scientific terms used here by the article is led with the technology for belonging to the utility model
The normally understood meaning of technical staff in domain is identical.Terminology used in the description of the utility model herein only be
The purpose of description specific embodiment, it is not intended that in limitation the utility model.Term " and or " used herein packet
Include any and all combinations of one or more relevant Listed Items." the first direction of rotation " may be defined as servo motor
Clockwise direction of rotation (-), " negative direction of the first direction of rotation " be servo motor direction of rotation (+) counterclockwise
" first " described in the utility model, " second ", " third ", " the 4th " do not represent specific quantity and sequence, only
It is only for the differentiation of title.
As shown in Fig. 1 to Fig. 5 and Fig. 7, a kind of transmission device of Downtilt described in the utility model, including：It is defeated
Go out component 100, output precision 100 includes at least two along same circumferentially spaced output gear 110；First transmission component
200, the first transmission component 200 includes ring gear 210, first driving gear 220 coaxial with ring gear 210 and the first active
The first driven gear 230 and be used for 220 and first driven tooth of built-in first driving gear that 220 formation of gear effect connects
First gear box 240 of wheel 230, the first driving gear 220 drive the rotation of the first driven gear 230, and the first driven gear 230 can
It is rotatably dispose on the first gear box 240, the first end of the first driven gear 230 is meshed with ring gear 210, and can only certainly
Turn, or around 210 rotation of ring gear and revolution and the rotation of the first gear box 240, the second end of the first driven gear 230 is driven to set
It is placed in outside ring gear 210 and is optionally meshed with the inside of any one output gear 110；Irreversible control,
Irreversible control is fixed on predeterminated position, and irreversible control includes the first one way component 310, and the first one way component 310 is leaned on
Nearly ring gear 210 is arranged, and the first one way component 310 includes the first revolving part 312 that can be one-directionally rotated along the first direction of rotation,
First revolving part 312 is fixedly connected with ring gear 210；Second transmission component 400, the second transmission component 400 include and the first master
Moving gear 220 is coaxial and the second driving gear 410 connect with 220 fixed conveyor of the first driving gear and the second driving tooth
Take turns the second driven gear 420 of 410 formation effect connection, the third that and fixed conveyor coaxial with the second driven gear 420 is connect
Driven gear 430, with 430 formation of third driven gear effect connection the 4th driven gear 440 and for built-in third from
Second gear box 450 of moving gear 430 and the 4th driven gear 440, the 4th driven gear 440 can rotation be set to the second transmission
It is on box 450 and opposite with the rotation direction of the first driven gear 230；And switching gear train 500, the first gear box 240 is by cutting
Gear changing group 500 drive the second gear box 450 rotate and drive the 4th driven gear 440 optionally with preset output
The outside of gear 110 is meshed.
As shown in Fig. 1 to Fig. 5 and Fig. 7, the transmission device of above-mentioned Downtilt is in use, output gear 110 and antenna
The transmission mechanism fixed conveyor of waveguide connects, and the first driving gear 220, the second driving gear are driven using servo motor
410, the first driving gear 220 drives the first driven gear 230 rotation, second gear to drive 420 rotation of the second driven gear, simultaneously
Drive third driven gear 430 and the rotation of the 4th driven gear 440, the first driven gear 230 and the 4th driven gear 440 it
Between sense of rotation it is opposite；When the first driving gear 220 drives the negative direction of the first driven gear 230 along the first direction of rotation to turn
When dynamic, because ring gear 210 is connect with 312 fixed conveyor of the first revolving part, the first revolving part 312 cannot be along the first direction of rotation
Negative direction rotation, the rotation of ring gear 210 can not be along the first direction of rotation at this time negative direction, ring gear 210 fixes, because
And the direction of the first driven gear 230 along the first direction of rotation is revolved round the sun, while driving the first gear box 240 along the first rotation
The direction in direction is rotated, and then drives the rotation of the second gear box 450 by switching gear train 500, that is, first is driven at this time
Gear 230 and the 4th driven gear 440 revolve round the sun, and are optionally meshed with the output gear 110 of adjustment is required；When
When one driven gear 230 or the 4th driven gear 440 are meshed with output gear 110, the direction of rotation of servo motor is inverted, the
One driving gear 220 drives the first driven gear 230 to carry out rotation along the first direction of rotation, and the second driving gear 410 drives the
The negative direction of four driven gears 440 along the first direction of rotation carries out rotation, and the first ring gear 210 can be along the first rotation side at this time
To the rotation rotated, the first revolving part 312 can be along the first direction of rotation, at this point, the first driven gear 230 or the 4th driven gear
440 engage with 110 axis of output gear, so can realize power output, it can be achieved that the angle of declination to antenna bidirectional modulation；Instantly
When secondary adjusting, then allow the first driven gear 230 and 440 rotation of the 4th driven gear and revolution, after arrival needs adjusting position, then
Make the 440 progress rotations of the first driven gear 230 and the 4th driven gear, you can realize the adjustment of respective antenna angle of declination；By
It is arranged at the side of output gear 110 in the first driven gear 230 and the 4th driven gear 440, the Bidirectional power is made to export
The compact-sized of linkage, size are small, and the bidirectional modulation of two angle of declinations to antenna can be realized in a power plant, letter
The power output mode of the transmission device of the control Downtilt of transmission Downtilt is changed.
As shown in Fig. 1 to Fig. 3 and Fig. 7, on the basis of the above embodiments, switching gear train 500 includes and the first transmission
First change gear 510 of 240 fixed conveyor of box connection and the second change gear 520 being meshed with the first change gear 510,
First gear box 240 and/or the first driven gear 230 drive the first change gear 510 along the first driving gear 220 axis into
Row rotation, so can make the first change gear 510 along the first driving gear 220 axis rotation and with the first gear box 240
It rotates synchronously, that is, can synchronous drive the first gear box 240 and the first change gear when the first driven gear 230 is revolved round the sun
510 rotations；Specifically, first change gear 510 respectively with 230 fixed conveyor of the first gear box 240 and the first driven gear
The end face of connection, the first change gear 510 is set there are four along same circumferentially disposed connecting hole, and the first driven gear 230 is equipped with
The first mounting hole corresponding with one of connecting hole, gear box are equipped with corresponding with the other three connecting hole second and install
Hole can be inserted into connecting hole and the first mounting hole or connecting hole by fastener and the second mounting hole, realization are connected and fixed.Second cuts
Gear changing 520 connect with 450 fixed conveyor of the second gear box and the second gear box 450 is driven to rotate, and then can be cut by first
Gear changing 510 drives the rotation of the second change gear 520, and the second change gear 520 drives the rotation of the second gear box 450, by the
Two gear boxes 450 drive the 4th driven gear 440, and optionally preset output gear 110 is meshed；Second teeth change
Wheel 520 and the second gear box 450 are rotated along same axis, specifically along the second driven gear 420 and third driven gear 430
Axis rotation, and it is non-interference between the second gear box 450 and the first gear box 240.
As shown in Fig. 1 to Fig. 3 and Fig. 7, on the basis of the above embodiments, the second transmission component 400 and the second teeth change
Wheel 520 is at least two groups and corresponds, and at least two second transmission components 400 are arranged at intervals at the outer of output precision 100
Side, at least two second change gears 520 interval setting the first change gear 510 outside and with corresponding second transmission group
Second gear box 450 of part 400 is fixedly connected, and then can realize the Bidirectional power output at least two pairs output gears 110, full
The adjustment of the Downtilt of the more waveguides of foot.
As shown in Fig. 1 and Fig. 7, in addition, the first change gear 510 matches to form first actively with the first gear box 240
The both ends of first protective zone of gear 220 and the first driven gear 230, the first driven gear 230 are rotatably set to respectively
In first change gear 510 and the first gear box, and then the installation of the first driven gear 230 is realized, also allow for lubricating and prevented
Protect the first driving gear 220 and the first driven gear 230；Second change gear 520 matches to form with the second gear box 450
The both ends difference of second protective zone of three driven gears 430 and the 4th driven gear 440, the 4th driven gear 440 is rotatable
It is set on the second change gear 520 and the second gear box 450, and then realizes the installation of the 4th driven gear 440, also allow for
Lubrication and protection third driven gear 430 and the 4th driven gear 440.
As shown in Fig. 1 and Fig. 7, irreversible control further includes the second one way component 320, and the second one way component 320 is close
First change gear 510 is arranged, and the second one way component 320 includes the second revolving part that can be one-directionally rotated along the first direction of rotation
322, the second revolving part 322 is connect with 510 fixed conveyor of the first change gear, and the first change gear 510 and the first gear box are solid
Fixed connection, and then can rotate in first 230 rotations of driven gear to avoid the first gear box, influence the first driven tooth
The degree of engagement of wheel 230 and output gear 110, causes to occur stuck；Make the independent precisely control of the tilt angled down of beam antenna simultaneously
System.Further, the second one way component 320 further include with 322 fixed sleeve 330 of the second revolving part, one end of sleeve 330 with
First change gear 510 is buckled to fix, thus realizes the switching of the second revolving part 322 and first by the way that sleeve 330 is arranged
Fixed conveyor connection between gear 510, while facilitating insertion into input shaft.
The specific implementation of first one way component 310 and the second one way component 320 such as one-way clutch, unilateral bearing, spine
The one-way rotation mechanisms such as wheel.Specifically, the first one way component 310 is the first unilateral bearing, the first revolving part 312 is first unidirectional
The inner ring of bearing；Second one way component 320 is the second unilateral bearing, and the second revolving part 322 is the inner ring of the second unilateral bearing.Cause
And the revolution or rotation of the first driven gear 230 can be realized using unilateral bearing, and the fast response time of unilateral bearing, it adjusts
Precision higher.
Further include mounting assembly 600 further, mounting assembly 600 includes two phases as shown in Figure 1, Figure 2 and shown in Fig. 7
To the first mounting plate 610 and the second mounting plate 620 of setting, and it is fixedly arranged on the first mounting plate 610 and the second mounting plate 620
Between support construction 630, support construction 630 includes more struts 632, and more struts 632 set shape along same circumferentially-spaced enclose
At guard plot, output precision 100, the first transmission component 200, irreversible control, switching gear train 500 and the second gear box
450 may be contained in guard plot, and the second driving gear 410 and the second driven gear 420 are rotatably set to the first mounting plate 610
Outside, the first unidirectionally controlled component is set to the inside of the first mounting plate 610, and the second one way component 320 is set to the second peace
The inside of loading board 620；Output precision 100 is thus realized by mounting assembly 600, the first transmission component 200 and second is driven
Integral, raising in-site installation efficiency is fixed in installation between component 400 and switching gear train 500.Further, teeth change
Wheel group 500 further includes being equipped with multiple induction parts 532 with 510 fixed annular element 530 of the first change gear, annular element 530；Second
Mounting plate 620 is equipped with to be equipped with and induction part 532 with 530 matched annular groove 622 of annular element, the outer wall of annular groove 622
Sensing element.Thus can using sensing element come incude check induction part 532 come identify the first driven gear 230 or the 4th from
The position of moving gear 440, convenient for driving servo motor according to the position of the first driven gear 230 and the 4th driven gear 440
The adjustment to the angle of declination of a certain radiating guide is realized in movement.Specifically, the induction part 532 can be notch, protrusion or groove
Deng, in the present embodiment, induction part 532 include at least two circumferentially uniform intervals setting first induction notch (not shown) and
The second induction notch (not shown) being set between two adjacent first induction notches.Thus can using first induction notch come
The position for judging the first driven gear 230 or the 4th driven gear 440, using the second induction notch come to the first driven gear
230 or the 4th the position of driven gear 440 calibrated.First induction notch and the second induction notch are unequal, concrete structure
It can select according to actual needs.
Further, output precision 100 further includes mounting bracket 120, and mounting bracket 120 and the first mounting plate 610 are solid
Fixed, output gear 110 is rotatably set between mounting bracket 120 and the first mounting plate 610.And then using mounting bracket
120 and first the cooperation of mounting plate 610 realize installation to output gear 110.
The driving of first driving gear 220 can be there are many embodiment, and such as the first transmission component 200 further includes and power
The input shaft of the rotary output connection of device, input shaft pass through the first revolving part 312, ring gear 210, the first gear box, the
One change gear 510, driving the first driving gear 220 rotation；Or first driving gear 220 one end pass through the first gear box,
Ring gear 210 and the first revolving part 312 are connect with the rotary output of power plant, and the other end can be relative to the first change gear
510 rotations.Specifically, as shown in Fig. 7, the first driving gear 220 is first gear axis, and one end of first gear axis is through the
One gear box, ring gear 210, the first revolving part 312 and the first mounting plate 610 connect with 410 fixed conveyor of the second driving gear
It connects, the other end of first gear axis runs through the first change gear 510, the second single direction rotation part and the second mounting plate 620, with power
The rotary output of device connects.
There are many coaxial and synchronous rotation embodiments between third driven gear 430 and the second driven gear 420,
If the second output precision 100 further includes connecting shaft, the both ends of connecting shaft respectively with third driven gear 430 and the second driven gear
420 fixed conveyors connect.Specifically, as shown in fig. 7, third driven gear 430 be second gear axis, third driven gear 430
One end connect with 420 fixed conveyor of the second driven gear across the first mounting plate 610, the other end of third driven gear 430
It is rotatablely connected across the second change gear 520 and the second mounting plate 620.
Each technical characteristic of embodiment described above can be combined arbitrarily, to keep description succinct, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, it is all considered to be the range of this specification record.
Above-described embodiments merely represent several embodiments of the utility model, the description thereof is more specific and detailed,
But therefore it can not be interpreted as the limitation to utility model patent range.It should be pointed out that for the common skill of this field
For art personnel, without departing from the concept of the premise utility, various modifications and improvements can be made, these are belonged to
The scope of protection of the utility model.Therefore, the protection domain of the utility model patent should be determined by the appended claims.
Claims (11)
1. a kind of changeover module, which is characterized in that including：
First transmission component, first transmission component includes ring gear, first driving gear coaxial with the ring gear, with
First driven gear of the first driving gear formation effect connection and for built-in first driving gear and described
First gear box of the first driven gear, first driving gear drive the first driven gear rotation, described first from
Moving gear is rotatably set on first gear box, and first end and the ring gear of first driven gear are mutually nibbled
Close, and can rotation, or around the ring gear rotation and revolution and first gear box is driven to rotate, described first is driven
The second end of gear is set to outside the ring gear；
Irreversible control, the irreversible control are fixed on predeterminated position, and the irreversible control includes first unidirectional
Component, first one way component are arranged close to the ring gear, and first one way component includes can be along the first direction of rotation
First revolving part of one-directional rotation, first revolving part are fixedly connected with the ring gear；
Second transmission component includes the second gear box for built-in gear；And
Switching gear train, first gear box are driven described in the second gear box rotation, simultaneously by the switching gear train
The 4th driven gear is driven optionally to be meshed on the outside of the preset output gear.
2. changeover module according to claim 1, which is characterized in that the switching gear train includes and described first is driven
First change gear of box fixed conveyor connection and the second change gear being meshed with first change gear, described first
Gear box and/or first driven gear drive first change gear to be carried out certainly along the axis of first driving gear
Turn, second change gear connect with the second gear box fixed conveyor and second gear box is driven to rotate.
3. changeover module according to claim 2, which is characterized in that second transmission component and second teeth change
Wheel is at least two groups and corresponds, and at least two second transmission components are arranged at intervals at first gear box
Side, at least two second change gear intervals are arranged the outside of first change gear and with corresponding described
Second gear box of two transmission components is fixedly connected.
4. changeover module according to claim 3, which is characterized in that the irreversible control further includes the second unidirectional set
Part, second one way component are arranged close to first change gear, and second one way component includes can be along the first rotation
Second revolving part of direction one-directional rotation, second revolving part connect with the first change gear fixed conveyor, and described the
One change gear is fixedly connected with first gear box.
5. changeover module according to claim 4, which is characterized in that second one way component further includes and described second
The fixed sleeve of revolving part, one end of the sleeve are buckled to fix with first change gear.
6. a kind of transmission device of Downtilt, which is characterized in that including the changeover module described in claim 4 or 5；Also wrap
It includes：
Output precision, the output precision include at least two along same circumferentially spaced output gear；Described first from
The second end of moving gear is set to outside the ring gear and is optionally meshed on the inside of any one of output gear；
And
Second transmission component further include it is coaxial with first driving gear and with the first driving gear fixed conveyor
Connection the second driving gear, with the second driving gear formation effect connection the second driven gear, with described second from
Moving gear is coaxial and the third driven gear of fixed conveyor connection, with the 4th of third driven gear formation effect connection from
Moving gear, the third driven gear and the 4th driven gear are built in second gear box, the 4th driven tooth
Wheel can rotation be set to it is on second gear box and opposite with the rotation direction of the first driven gear.
7. the transmission device of Downtilt according to claim 6, which is characterized in that first change gear and institute
It states the first gear box and matches the first protective zone to form first driving gear and first driven gear, described
The both ends of one driven gear are rotatably set to respectively on first change gear and first gear box；Described second cuts
Gear changing matches the second protection to form the third driven gear and the 4th driven gear with second gear box
The both ends in space, the 4th driven gear are rotatably set to second change gear and second gear box respectively
On.
8. the transmission device of the Downtilt described according to claim 6 or 7, which is characterized in that further include mounting assembly, institute
It includes two the first mounting plates and the second mounting plate being oppositely arranged to state mounting assembly, and be fixedly arranged on first mounting plate and
Support construction between second mounting plate, the support construction include more struts, and more struts are along same circumferentially-spaced
It encloses and sets to form guard plot, the output precision, first transmission component, the irreversible control, the switching gear train
And second gear box may be contained in the guard plot, second driving gear and second driven gear are rotatable
It is set to the outside of first mounting plate, the first unidirectionally controlled component is set to the inside of first mounting plate, institute
State the inside that the second one way component is set to second mounting plate.
9. the transmission device of Downtilt according to claim 8, which is characterized in that first driving gear is the
First gear box, the ring gear, first revolving part and institute are run through in one end of one gear shaft, the first gear axis
The first mounting plate is stated, is connect with the second driving gear fixed conveyor, the other end of the first gear axis is through described the
One change gear, the second single direction rotation part and second mounting plate, connect with the rotary output of power plant；It is described
Third driven gear is second gear axis, one end of the third driven gear pass through first mounting plate with described second from
Moving gear fixed conveyor connects, and the other end of the third driven gear passes through second change gear to be installed with described second
Plate is rotatablely connected.
10. the transmission device of Downtilt according to claim 8, which is characterized in that the switching gear train is also wrapped
It includes and is equipped with multiple induction parts with the fixed annular element of the first change gear, the annular element；Second mounting plate is equipped with
With the matched annular groove of the annular element, the outer wall of the annular groove is equipped with the sensing element with the induction part.
11. the transmission device of Downtilt according to claim 8, which is characterized in that the output precision further includes
Mounting bracket, the mounting bracket are fixed with first mounting plate, and the output gear is rotatably set to the installation branch
Between frame and first mounting plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721928852.2U CN207989661U (en) | 2017-12-30 | 2017-12-30 | The transmission device and its changeover module of Downtilt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721928852.2U CN207989661U (en) | 2017-12-30 | 2017-12-30 | The transmission device and its changeover module of Downtilt |
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| Publication Number | Publication Date |
|---|---|
| CN207989661U true CN207989661U (en) | 2018-10-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721928852.2U Expired - Fee Related CN207989661U (en) | 2017-12-30 | 2017-12-30 | The transmission device and its changeover module of Downtilt |
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| Country | Link |
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| CN (1) | CN207989661U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108087508A (en) * | 2017-12-30 | 2018-05-29 | 京信通信系统（中国）有限公司 | The transmission device and its changeover module of Downtilt |
-
2017
- 2017-12-30 CN CN201721928852.2U patent/CN207989661U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108087508A (en) * | 2017-12-30 | 2018-05-29 | 京信通信系统（中国）有限公司 | The transmission device and its changeover module of Downtilt |
| CN108087508B (en) * | 2017-12-30 | 2023-11-24 | 京信通信技术(广州)有限公司 | Transmission device for antenna downward inclination angle and switching assembly thereof |
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| GR01 | Patent grant | ||
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| TR01 | Transfer of patent right |
Effective date of registration: 20200120 Address after: 510730 Guangdong city of Guangzhou province Guangzhou economic and Technological Development Zone Jinbi Road No. 6 Patentee after: COMBA TELECOM TECHNOLOGY (GUANGZHOU) Ltd. Address before: 510663 Shenzhou Road 10, Guangzhou Science City, Guangzhou economic and Technological Development Zone, Guangzhou, Guangdong Co-patentee before: COMBA TELECOM TECHNOLOGY (GUANGZHOU) Ltd. Patentee before: COMBA TELECOM SYSTEMS (CHINA) Ltd. Co-patentee before: COMBA TELECOM SYSTEMS (GUANGZHOU) Ltd. Co-patentee before: TIANJIN COMBA TELECOM SYSTEMS Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181019 Termination date: 20211230 |