CN211295354U

CN211295354U - Electrically-adjusted base station antenna mounting bracket

Info

Publication number: CN211295354U
Application number: CN201922379889.XU
Authority: CN
Inventors: 耿金洋; 高浩哲; 魏艳伟; 陈洪胜
Original assignee: Dongguan Zhenliang Precision Technology Co ltd
Current assignee: Dongguan Zhenliang Precision Technology Co ltd
Priority date: 2019-12-26
Filing date: 2019-12-26
Publication date: 2020-08-18
Anticipated expiration: 2029-12-26

Abstract

The utility model discloses an electrically adjusted's base station antenna installing support, including embracing the pole, it still includes fixed subassembly, go up fixed subassembly including articulated first locking unit, first drive unit and the first linkage unit who sets up in proper order, first locking unit card is in embrace on the pole, first drive unit includes the same first articulated elements of structure and second articulated elements, left crank arm, right crank arm, connection worm and driving motor, transversely run through in first articulated elements upper end and be provided with first through-hole, transversely run through in this first through-hole lower extreme and be provided with first connecting groove. The utility model drives the connecting worm to rotate through the driving motor, so that the opening angles of the left crank arm and the right crank arm are changed, and the declination angle of the base station antenna is changed; the heavy physical labor of technicians repeatedly climbing the signal tower is avoided in an electric mode; in addition, the purpose of quickly adjusting the base station antenna can be achieved through electric control.

Description

Electrically-adjusted base station antenna mounting bracket

Technical Field

The utility model relates to an antenna technology field, in particular to electrically adjusted's basic station antenna installing support.

Background

With the rapid development and application of 5G technology, the design requirement of the 5G antenna on the mounting bracket is higher and higher.

In prior art, be applied to the installing support of 3G, 4G antenna, install on basic station antenna communication tower through the website staff, when the mechanical downtilt angle radiation scope of needs adjustment antenna, need the website staff to climb and adjust the installing support angle on the communication tower, wherein, have following shortcoming: 1. the maintenance difficulty of workers is increased, and the maintenance cost of the station is increased invisibly; 2. the personal safety problem of workers is increased; 3. due to different operation experiences, workers are easy to operate inaccurately and directly influence the coverage range of the antenna, so that signals of a patch area in the coverage range are influenced.

Disclosure of Invention

An object of the utility model is to the above-mentioned problem, provide an electrically adjusted's basic station antenna installing support.

The utility model discloses a realize that the technical scheme that above-mentioned purpose adopted does:

the utility model provides an electrically adjusted base station antenna installing support, includes embraces the pole, and it still includes fixed subassembly, go up fixed subassembly including articulated first locking unit, first drive unit and the first linkage unit that sets up in proper order, first locking unit card is in on embracing the pole, first drive unit includes the same first articulated elements and second articulated elements of structure, left crank arm, right crank arm, connecting worm, and driving motor, first articulated elements upper end transversely runs through and is provided with first through-hole, transversely runs through and is provided with first connecting slot in this first through-hole lower extreme, first locking unit is articulated with this first articulated elements through first connecting rod, and this first connecting rod passes this first through-hole and sets up, left crank arm, right crank arm top are articulated respectively through second connecting rod in this first articulated elements left and right-hand member, and this left crank arm, right crank arm bottom are articulated respectively through third connecting rod in the left side of second articulated elements, a, The right end is provided with between this left crank arm, the right crank arm middle part connect the worm, this left crank arm middle part articulate have with this first movable block of connecting worm complex, it sets up in this first movable block to connect the worm left end to run through, should connect the worm right-hand member and run through and stretch out this right crank arm right-hand member, driving motor sets up the right crank arm right side, and this driving motor outside is provided with first protection box, is connected through first gear drive between this driving motor's the output shaft and this connection worm right-hand member, first linkage unit with the second articulated elements is articulated, this first linkage unit and basic station antenna upper end fixed connection.

Preferably, the first locking unit includes a first base, a first locking block, and a second locking block, the first base is hinged to the first hinge member through the first connecting rod, a first positioning hole is arranged on the first base in parallel, the first locking block is fixed on the first base through a first bolt, the bottom of the first bolt passes through the first positioning hole, a first stepped bayonet is arranged on the front surface of the first locking block, a first T-shaped groove is arranged at the front end of the upper surface of the first locking block, a first engaging groove communicated with the first T-shaped groove is arranged on the front surface of the first locking block, the inner wall of the first engaging groove is obliquely arranged, a first arc-shaped groove is arranged on the upper surface and the lower surface of the first locking block corresponding to the first positioning hole, the first bolt is arranged in the first arc-shaped groove, a second stepped bayonet is arranged at the rear end of the second locking block corresponding to the first bayonet, a second through hole penetrates through the front surface of the second locking block, the second locking block is connected with the first locking block through a second bolt, the front end of the second bolt penetrates through the second through hole, and the rear end of the second bolt penetrates through the first clamping groove.

Preferably, the first gear transmission mechanism comprises a first gear and a second gear, the first gear is sleeved at the extending position of the right crank arm, the second gear is sleeved on an output shaft of the driving motor, the first gear is meshed with the second gear, and the diameter of the first gear is smaller than that of the second gear.

Preferably, the first connection unit includes a first connection block and a first connection leaf extending forward, the upper surface of the first connection block is provided with second positioning holes in parallel, the upper surface of the first connection block is connected to the base station antenna through a third bolt, the third bolt is disposed in the second positioning hole, at least one first triangular support portion is disposed inside the upper surface and inside the front surface of the first connection block, the first connection leaf is disposed at two ends of the first connection block, and the second hinge is hinged to the first connection leaf through a fourth connection rod.

Preferably, the antenna further comprises a lower fixing assembly, the lower fixing assembly comprises a second locking unit and a second connecting unit which are sequentially arranged, the second locking unit is clamped on the pole, and the second connecting unit is fixedly connected with the bottom end of the base station antenna.

Preferably, the second locking unit includes a second base, a third locking block, and a fourth locking block, the second base is hinged to the second connection unit through the fifth connection rod, a third positioning hole is disposed on the second base in parallel, the third locking block is fixed on the second base through a fourth bolt, the bottom of the fourth bolt passes through the third positioning hole, a stepped third bayonet is disposed on the front surface of the third locking block, a second T-shaped groove is disposed at the front end of the upper surface of the third locking block, a second engaging groove communicated with the second T-shaped groove is disposed on the front surface of the third locking block, the inner wall of the second engaging groove is inclined, a second arc-shaped groove is disposed on the upper surface and the lower surface of the third locking block corresponding to the third positioning hole, the fourth bolt is disposed in the second arc-shaped groove, and a stepped fourth bayonet is disposed at the rear end of the fourth locking block corresponding to the third bayonet, a third through hole penetrates through the front surface of the fourth locking block, the fourth locking block is connected with the third locking block through a fifth bolt, the front end of the fifth bolt penetrates through the third through hole, and the rear end of the fifth bolt penetrates through the second clamping groove.

Preferably, the first engaging groove and the second engaging groove have the same inclination direction.

Preferably, the second connection unit includes a second connection block and a second connection blade extending forward from the second connection block, a fourth positioning hole is formed in the upper surface of the second connection block in parallel, the upper surface of the second connection block is connected to the base station antenna through a sixth bolt, the sixth bolt is disposed in the fourth positioning hole, and at least one second triangular support portion is disposed inside the upper surface and inside the front surface of the second connection block.

Preferably, the left crank arm and the right crank arm move towards each other.

Preferably, the rear surface of the second base is provided with a limiting projection, and the front surface of the second connecting unit is provided with a limiting clamping block corresponding to the limiting projection.

The utility model has the advantages that: the utility model has simple and reasonable structure and ingenious design, and the connecting worm is driven by the driving motor to rotate, so that the opening angles of the left crank arm and the right crank arm are changed, and the declination angle of the base station antenna is changed; the heavy physical labor of technicians repeatedly climbing the signal tower is avoided in an electric mode; in addition, the purpose of quickly adjusting the base station antenna can be achieved through electric control.

The present invention will be further explained with reference to the drawings and the embodiments.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural diagram of the present invention;

fig. 2 is a side view of the present invention;

fig. 3 is a schematic structural view a of the upper and lower fixing assemblies of the present invention;

fig. 4 is a schematic structural view B of the upper and lower fixing assemblies according to the present invention;

FIG. 5 is a schematic structural view A of the lower fixing assembly of the present invention;

fig. 6 is a schematic structural diagram B of the middle and lower fixing component of the present invention.

Detailed Description

As shown in fig. 1 to 4, in one embodiment, an electrically adjustable base station antenna mounting bracket includes a pole, and further includes an upper fixing assembly 1, where the upper fixing assembly 1 includes a first locking unit 10, a first driving unit 11, and a first connecting unit 12, which are sequentially hinged to each other, the first locking unit 10 is clamped on the pole, the first driving unit 11 includes a first hinge 110 and a second hinge 111, a left crank arm 112, a right crank arm 113, a connecting worm 114, and a driving motor 115, which are identical in structure, the first hinge 110 has a first through hole transversely formed at an upper end thereof, a first connecting slot transversely formed at a lower end thereof, the first locking unit 10 is hinged to the first hinge 110 through a first connecting rod, the first connecting rod 1100 is arranged through the first through hole, the left crank arm 112 and the right crank arm 113 are identical in length, the top parts of the left crank arm 112 and the right crank arm 113 are respectively hinged with the left end and the right end of the first hinged part 110 through a second connecting rod 116, the bottom parts of the left crank arm 112 and the right crank arm 113 are respectively hinged with the left end and the right end of the second hinged part 111 through a third connecting rod 117, the top parts and the bottom parts of the left crank arm 112 and the right crank arm 113 are provided with extending blocks in an extending way, connecting holes for the second connecting rod 117 and the third connecting rod 117 to pass through are penetrated through the extending blocks, the second connecting rod 117 and the third connecting rod 117 are transversely arranged from front to back, the thickness of the left crank arm 112 and the right crank arm 113 is smaller than the distance between the inner walls of the first connecting grooves, through the arrangement mode, the top parts and the bottom parts of the left crank arm 113 and the right crank arm 113 can conveniently rotate relative to the first hinged part 110 and the second hinged part 111, the connecting worm 114 is arranged between the middle parts of the left crank arm 112 and the right crank arm 113, the left end of the connecting worm 114 is arranged in the first moving block 118 in a penetrating manner, the middle part of the right crank arm 113 is provided with a second moving block, the right end of the connecting worm 114 penetrates the middle part of the second moving block, when the connecting worm 114 rotates, the distance between the first moving block 118 and the second moving block is gradually reduced, so that the left crank arm 113 and the right crank arm 113 are gradually straightened, the first moving block 118 and the second moving block can keep stable in the moving process, can not shake randomly and can not cause vibration, thereby avoiding the situation that precision parts in the base station antenna shift or fall off due to vibration, the right end of the connecting worm 114 penetrates and extends out of the right crank arm 113, the driving motor 115 is arranged on the right side of the right crank arm 113, the first protection box 119 is arranged on the outer side of the driving motor 115, the first protection box 119 can protect the driving motor 115 and the first gear transmission mechanism, and can effectively prevent gravels from being clamped into the first gear transmission, the service life of the mounting bracket can be prolonged, the output shaft of the driving motor 115 is connected with the right end of the connecting worm 114 through a first gear transmission mechanism, the first connecting unit 12 is hinged with the second hinge part 111, and the first connecting unit 12 is fixedly connected with the upper end of the base station antenna.

Specifically, the first moving block 118 and the second moving block are provided with twisted threads matched with the connecting worm 114; when the base station antenna is used, the driving motor 115 receives an adjusting signal, the driving motor 115 starts to operate, the connecting worm 114 rotates, the first moving block 118 and the second moving block gradually move towards the middle of the connecting worm 114 under the matching of the first moving block and the connecting worm 114, and at the moment, the opening angles of the left crank arm 113 and the right crank arm 113 are increased, so that the upper end of the base station antenna is gradually far away from the holding pole;

the left crank arm 112 and the right crank arm 113 are in axial symmetry and have the same structure, the left crank arm 112 is divided into an upper part and a lower part which are hinged with each other, the lower end of the upper part is hinged at the upper end of the lower part, the left crank arm 112 rotates by taking the hinged part as a central axis, the downward inclination angle of the base station antenna is controlled by the left crank arm 113 and the right crank arm 113, the pressure born by the left crank arm 113 and the right crank arm 113 can be evenly distributed on the left crank arm 113 and the right crank arm 113, in addition, when the orientation of the base station antenna is adjusted, the single side of the left crank arm 113 and the right crank arm 113 can not bear overlarge supporting force due to deflection of the base station antenna, and the fracture of the left crank arm.

As shown in fig. 3 and 4, in one embodiment, the first locking unit 10 includes a first base 100, a first locking block 101, and a second locking block 102, the first base 100 is hinged to the first hinge 110 through the first connecting rod 1100, a first positioning hole is formed in the first base 100 in parallel, the first locking block 101 is fixed to the first base 100 through a first bolt, the bottom of the first bolt passes through the first positioning hole, a first stepped bayonet 103 is formed on the front surface of the first locking block 101, a first T-shaped groove 104 is formed at the front end of the upper surface of the first locking block 101, a first engaging groove 105 communicated with the first T-shaped groove 104 is formed on the front surface of the first locking block 101, an inner wall of the first engaging groove 105 is inclined, a first arc-shaped groove 106 is formed on the upper surface and the lower surface of the first locking block 101 corresponding to the first positioning hole, the first bolt is arranged in the first arc-shaped groove 106, a second stepped bayonet 107 is arranged at the rear end of the second locking block 102 corresponding to the first bayonet 103, a second through hole penetrates through the front surface of the second locking block 102, the second locking block 102 is connected with the first locking block 101 through a second bolt 108, the front end of the second bolt 108 penetrates through the second through hole, and the rear end of the second bolt 108 penetrates through the first clamping groove 105.

Specifically, the thickness of the first locking piece 101 is greater than the thickness of the second locking piece 102; a fixing rod is arranged at the left end of the second locking block 102, and the length of the fixing rod is consistent with that of the second bolt 108;

when the locking device is used, the first locking block 101 is clamped at one end of the holding pole, the second locking block 102 is clamped at the other end of the holding pole, the rear end of the second bolt 108 enters from the first T-shaped groove 104 and then falls into the first clamping groove 105, and due to the inclined arrangement of the first clamping groove 105, if no upward external force acts on the lower end of the second bolt 108, the second bolt 108 can be firmly clamped in the first clamping groove 105 and cannot move upwards at will; when in replacement or maintenance, the second bolt 108 is lifted upwards, and then the second locking block 102 is pushed towards the holding pole direction, so that the rear end of the second bolt 108 can be taken out from the first T-shaped groove 104;

secondly, the quantity of first bolt is three, and the quantity of first arc wall 106 is two, and two first arc walls 106 are axisymmetric, have the fixed slot in the middle of two first arc walls 106, and every first bolt sets up respectively in first arc wall 106, fixed slot, and the front and back position can be adjusted according to base station antenna coverage to the first bolt of left and right-hand member to change base station antenna orientation position.

As shown in fig. 3 and 4, in an embodiment, the first gear transmission mechanism includes a first gear 1090 and a second gear 1091, the first gear 1090 is sleeved on the extending portion of the right crank arm 113, the second gear 1091 is sleeved on the output shaft of the driving motor 115, the first gear 1090 is meshed with the second gear 1091, and the diameter of the first gear 1090 is smaller than that of the second gear 1091. Specifically, the diameter of the second gear 1091 is much larger than that of the first gear 1090, so that the arrangement can save space and reduce volume, and can accelerate the rotation efficiency of the connecting worm 114 and realize quick response of the downward inclination angle of the base station antenna.

As shown in fig. 3 and 4, in one embodiment, the first connection unit 12 includes a first connection block 120 and a first connection blade 121 extending forward, a second positioning hole is juxtaposed on an upper surface of the first connection block 120, the upper surface of the first connection block 120 is connected to the base station antenna through a third bolt 122, the third bolt 122 is disposed in the second positioning hole, at least one first triangular support 123 is disposed inside the upper surface and inside the front surface of the first connection block 120, the first triangular support 123 can enhance stability and support capability of the first connection block 120, the first connection blade 121 is disposed on two ends of the first connection block 120, and the second hinge 111 is hinged to the first connection blade 121 through a fourth connection rod.

As shown in fig. 5 and 6, in an embodiment, the antenna further includes a lower fixing component 2, where the lower fixing component 2 includes a second locking unit 20 and a second connecting unit 21, which are sequentially disposed, the second locking unit 20 is clamped on the pole, and the second connecting unit 21 is fixedly connected to the bottom end of the base station antenna.

As shown in fig. 5 and 6, in one embodiment, the second locking unit 20 includes a second base 200, a third locking block 201, and a fourth locking block 202, the second base 200 is hinged to the second connecting unit 21 through the fifth connecting rod 203, a third positioning hole is formed in the second base 200 in parallel, the third locking block 201 is fixed on the second base 200 through a fourth bolt 204, the bottom of the fourth bolt 204 passes through the third positioning hole, a stepped third locking notch 2010 is formed in the front surface of the third locking block 201, a second T-shaped groove 2011 is formed in the front end of the upper surface of the third locking block 201, a second engaging groove 2012 communicated with the second T-shaped groove 2011 is formed in the front surface of the third locking block 201, an inner wall of the second engaging groove 2012 is inclined, and a second arc-shaped groove 2013 is formed in the upper surface and the lower surface of the third locking block 201 in correspondence to the third positioning hole, the fourth bolt 204 is disposed in the second arc-shaped groove 2013, a stepped fourth bayonet 2020 is disposed at the rear end of the fourth locking block 202 corresponding to the third bayonet 2010, a third through hole is penetratingly disposed on the front surface of the fourth locking block 202, the fourth locking block 202 is connected to the third locking block 201 by a fifth bolt 2021, the front end of the fifth bolt 2021 penetrates through the third through hole, and the rear end of the fifth bolt 2021 penetrates through the second bayonet groove 2012.

As shown in fig. 3 to 6, in one embodiment, the first engaging groove 105 and the second engaging groove 2012 have the same inclination direction.

As shown in fig. 5 and 6, in one embodiment, the second connection unit 21 includes a second connection block 210 and a second connection blade 211 extending forward from the second connection block 210, a fourth positioning hole is formed in the upper surface of the second connection block 210, the upper surface of the second connection block 210 is connected to the base station antenna through a sixth bolt 212, the sixth bolt 212 is disposed in the fourth positioning hole, and at least one second triangular support 213 is disposed inside the upper surface and the front surface of the second connection block 210.

As shown in fig. 3 and 4, in one embodiment, the left crank arm 112 and the right crank arm 113 move towards each other.

In one embodiment, the rear surface of the second base 200 is provided with a limit protrusion, and the front surface of the second connection unit 21 is provided with a limit block corresponding to the limit protrusion. Specifically, the limiting clamping block is arranged on the second connecting unit according to the maximum downward inclination angle of the base station antenna, the limiting clamping groove is formed in the limiting clamping block, and when the downward inclination angle of the base station antenna is adjusted, the limiting clamping block is in contact with the limiting clamping groove, so that the base station antenna cannot tilt any more, the maximum downward inclination angle of the base station antenna is limited, and the base station antenna is protected from being excessively tilted.

The drive motor 115 is used for adjusting the respective opening angles of the left crank arm 112 and the right crank arm 113 in the first drive unit 11, so that the lengths of the left crank arm 113 and the right crank arm 113 are changed, the top of the base station antenna is driven to be far away from the holding pole, and the downward inclination angle of the base station antenna is changed.

The utility model discloses a drive motor 115 drive connection worm 114 rotates for left crank arm 112, right crank arm 113 self flare angle change, and then realize that the downtilt of base station antenna changes; the heavy physical labor of technicians repeatedly climbing the signal tower is avoided in an electric mode; in addition, the purpose of quickly adjusting the base station antenna can be achieved through electric control.

The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention in any way. The invention is not limited to the embodiments described herein, but is capable of other embodiments according to the invention, and may be used in various other applications, including, but not limited to, industrial. Therefore, the equivalent changes made according to the shape, structure and principle of the present invention should be covered in the protection scope of the present invention.

Claims

1. The utility model provides an electrically regulated's basic station antenna installing support, includes and embraces pole, its characterized in that: the locking device further comprises an upper fixing component, the upper fixing component comprises a first locking unit, a first driving unit and a first connecting unit, the first locking unit is clamped on the holding rod in a hinged mode, the first driving unit comprises a first hinged piece, a second hinged piece, a left crank arm, a right crank arm, a connecting worm and a driving motor, the first hinged piece and the second hinged piece are identical in structure, a first through hole transversely penetrates through the upper end of the first hinged piece, a first connecting groove transversely penetrates through the lower end of the first through hole, the first locking unit is hinged to the first hinged piece through a first connecting rod, the first connecting rod penetrates through the first through hole, the tops of the left crank arm and the right crank arm are hinged to the left end and the right end of the first hinged piece through second connecting rods respectively, and the bottoms of the left crank arm and the right crank arm are hinged to the left end and the right end of the second hinged piece through third connecting rods respectively, The right end is provided with between this left crank arm, the right crank arm middle part connect the worm, this left crank arm middle part articulate have with this first movable block of connecting worm complex, it sets up in this first movable block to connect the worm left end to run through, should connect the worm right-hand member and run through and stretch out this right crank arm right-hand member, driving motor sets up the right crank arm right side, and this driving motor outside is provided with first protection box, is connected through first gear drive between this driving motor's the output shaft and this connection worm right-hand member, first linkage unit with the second articulated elements is articulated, this first linkage unit and basic station antenna upper end fixed connection.

2. The antenna mounting bracket for a base station of claim 1, wherein the first locking unit comprises a first base, a first locking block and a second locking block, the first base is hinged to the first hinge member through the first connecting rod, a first positioning hole is formed in the first base, the first locking block is fixed to the first base through a first bolt, the bottom of the first bolt passes through the first positioning hole, a first stepped bayonet is formed in the front surface of the first locking block, a first T-shaped slot is formed in the front end of the upper surface of the first locking block, a first engaging groove communicated with the first T-shaped slot is formed in the front surface of the first locking block, the inner wall of the first engaging groove is inclined, a first arc-shaped groove is formed in the upper surface and the lower surface of the first locking block corresponding to the first positioning hole, the first bolt is arranged in the first arc-shaped groove, a stepped second bayonet is arranged at the rear end of the second locking block corresponding to the first bayonet, a second through hole penetrates through the front surface of the second locking block, the second locking block is connected with the first locking block through a second bolt, the front end of the second bolt penetrates through the second through hole, and the rear end of the second bolt penetrates through the first clamping groove.

3. The electrically adjustable base station antenna mounting bracket of claim 1, wherein the first gear transmission mechanism comprises a first gear and a second gear, the first gear is sleeved on the right crank arm extending portion, the second gear is sleeved on the output shaft of the driving motor, the first gear is engaged with the second gear, and the diameter of the first gear is smaller than that of the second gear.

4. The mounting bracket of claim 1, wherein the first connecting unit comprises a first connecting block and a first connecting blade extending forward, a second positioning hole is formed in the upper surface of the first connecting block in parallel, the upper surface of the first connecting block is connected to the base station antenna through a third bolt, the third bolt is disposed in the second positioning hole, at least one first triangular support portion is disposed inside the upper surface and inside the front surface of the first connecting block, the first connecting blade is disposed at two ends of the first connecting block, and the second hinge is hinged to the first connecting blade through a fourth connecting rod.

5. The electrically adjustable base station antenna mounting bracket according to claim 2, further comprising a lower fixing component, wherein the lower fixing component comprises a second locking unit and a second connecting unit, the second locking unit and the second connecting unit are sequentially arranged, the second locking unit is clamped on the pole, and the second connecting unit is fixedly connected with the bottom end of the base station antenna.

6. The antenna mounting bracket for a base station of claim 5, wherein the second locking unit comprises a second base, a third locking block and a fourth locking block, the second base is hinged to the second connecting unit through a fifth connecting rod, a third positioning hole is formed in the second base in parallel, the third locking block is fixed to the second base through a fourth bolt, the bottom of the fourth bolt passes through the third positioning hole, a third bayonet with a step shape is formed in the front surface of the third locking block, a second T-shaped groove is formed in the front end of the upper surface of the third locking block, a second engaging groove communicated with the second T-shaped groove is formed in the front surface of the third locking block, the inner wall of the second engaging groove is inclined, and a second arc-shaped groove is formed in the upper surface and the lower surface of the third locking block corresponding to the third positioning hole, the fourth bolt is arranged in the second arc-shaped groove, a stepped fourth bayonet is arranged at the rear end of the fourth locking block corresponding to the third bayonet, a third through hole penetrates through the front surface of the fourth locking block, the fourth locking block is connected with the third locking block through a fifth bolt, the front end of the fifth bolt penetrates through the third through hole, and the rear end of the fifth bolt penetrates through the second clamping groove.

7. The electrically adjustable base station antenna mounting bracket of claim 6, wherein the first and second engagement grooves have a uniform inclination.

8. The electrically adjustable base station antenna mounting bracket of claim 5, wherein the second connecting unit comprises a second connecting block and a second connecting blade extending forward from the second connecting block, a fourth positioning hole is juxtaposed on an upper surface of the second connecting block, the upper surface of the second connecting block is connected to the base station antenna by a sixth bolt, the sixth bolt is disposed in the fourth positioning hole, and at least one second triangular supporting portion is disposed inside the upper surface and inside the front surface of the second connecting block.

9. An electrically adjustable base station antenna mounting bracket as defined in claim 1 in which the left and right arms move toward each other.

10. The electrically adjustable base station antenna mounting bracket of claim 6, wherein the second base has a limiting protrusion on a rear surface thereof, and the second connection unit has a limiting block on a front surface thereof corresponding to the limiting protrusion.