CN106876984A - It is a kind of can remote adjustment aerial mechanical angle of declination mounting bracket - Google Patents

It is a kind of can remote adjustment aerial mechanical angle of declination mounting bracket Download PDF

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Publication number
CN106876984A
CN106876984A CN201710078634.2A CN201710078634A CN106876984A CN 106876984 A CN106876984 A CN 106876984A CN 201710078634 A CN201710078634 A CN 201710078634A CN 106876984 A CN106876984 A CN 106876984A
Authority
CN
China
Prior art keywords
upper bracket
lower carriage
galianconism
armed
long
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201710078634.2A
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Chinese (zh)
Inventor
吴海龙
符小东
徐翠
王学仁
靳志尧
顾晓凤
姚璐
陈娟
冯繁荣
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhongtian Communication Technology Co ltd
Zhongtian Broadband Technology Co Ltd
Original Assignee
Zhongtian Broadband Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Zhongtian Broadband Technology Co Ltd filed Critical Zhongtian Broadband Technology Co Ltd
Priority to CN201710078634.2A priority Critical patent/CN106876984A/en
Publication of CN106876984A publication Critical patent/CN106876984A/en
Pending legal-status Critical Current

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Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q3/00Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
    • H01Q3/005Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system using remotely controlled antenna positioning or scanning
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q3/00Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
    • H01Q3/02Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system using mechanical movement of antenna or antenna system as a whole
    • H01Q3/04Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system using mechanical movement of antenna or antenna system as a whole for varying one co-ordinate of the orientation
    • H01Q3/06Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system using mechanical movement of antenna or antenna system as a whole for varying one co-ordinate of the orientation over a restricted angle

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  • Support Of Aerials (AREA)
  • Details Of Aerials (AREA)

Abstract

The present invention relates to it is a kind of can remote adjustment aerial mechanical angle of declination mounting bracket, it is adaptable to the mechanical tilt angle of remote adjustment antenna.Mounting bracket of the present invention is made up of upper bracket and lower carriage;Upper bracket includes upper bracket antenna connecting plate, upper bracket mounting seat, long-armed, cylinder, galianconism, upper bracket fixture block and upper bracket briquetting;Upper bracket antenna connecting plate is fixed on antenna body top, upper bracket mounting seat is fixed on upper bracket antenna connecting plate, upper bracket mounting seat is flexibly connected with long-armed upper end, and long-armed lower end is flexibly connected with galianconism lower end, and galianconism upper end is flexibly connected with upper bracket fixture block.The piston rod upper end of cylinder is flexibly connected by top braces seat with long-armed turntable, and the bottom of cylinder is flexibly connected by bottom support base with galianconism turntable;Upper bracket fixture block is clamped on pole with upper bracket briquetting by stay bolt;Lower carriage includes lower carriage antenna connecting plate, lower carriage mounting seat, lower carriage fixture block and lower carriage briquetting.

Description

It is a kind of can remote adjustment aerial mechanical angle of declination mounting bracket
Technical field
The present invention relates to it is a kind of can remote adjustment aerial mechanical angle of declination mounting bracket, it is adaptable to remote adjustment day The mechanical tilt angle of line.
Background technology
Antenna works parameter is the underlying parameter of network operation and performance optimization, by manually being safeguarded and being updated, however, In the installation of existing network antenna and optimization process, on the one hand, due to factors such as human factor, instrument error and natural climate change etc. The change of engineering parameter can be caused, therefore, a large amount of manpower and materials are put into every year to be verified and correct.
Verify and correct all very troublesome for the important parameter mechanical tilt angle in engineering parameter, generally all need Workman's climbing tower is wanted to get on reading angular and manual setting angle.Not only it is troublesome but also dangerous.
Therefore design it is a can replace existing mounting bracket with remote monitoring and the mounting bracket of regulation, realize computer room Joint debugging is necessary.
The content of the invention:
The object of the invention be directed to above-mentioned weak point provide it is a kind of can remote adjustment aerial mechanical angle of declination mounting bracket, A kind of simple and practical not need artificial climbing tower, so that it may adjust aerial mechanical angle of declination it is new can remote adjustment aerial mechanical hang down The mounting bracket of squareness.
It is a kind of can the mounting bracket of remote adjustment aerial mechanical angle of declination be to take following technical scheme to realize:
It is a kind of can the mounting bracket of remote adjustment aerial mechanical angle of declination be made up of upper bracket and lower carriage.
Upper bracket include upper bracket antenna connecting plate, upper bracket mounting seat, long-armed, cylinder, galianconism, upper bracket fixture block and on Stand briquetting.
Upper bracket antenna connecting plate is fixed on antenna body top, and upper bracket mounting seat is fixed on upper bracket antenna On connecting plate, upper bracket mounting seat is flexibly connected with long-armed upper end, and long-armed lower end is flexibly connected with galianconism lower end, galianconism upper end with Upper bracket fixture block is flexibly connected.Long-armed upper end inner side is equipped with long-armed turntable, and galianconism lower end inside is equipped with galianconism turntable, the work of cylinder Stopper rod upper end is equipped with bottom support base equipped with top braces seat, the bottom of cylinder, and the piston rod upper end of cylinder passes through top braces Seat is flexibly connected with long-armed turntable, and the bottom of cylinder is flexibly connected by bottom support base with galianconism turntable.
Upper bracket fixture block is clamped on pole with upper bracket briquetting by stay bolt.
Described upper bracket mounting seat is flexibly connected with long-armed upper end using bolt and sleeve pipe.Described long-armed lower end with it is short Arm lower end is flexibly connected using bolt and sleeve pipe.Described galianconism upper end is connected with upper bracket fixture block using bolt and sleeve pipe activity Connect.
Lower carriage includes lower carriage antenna connecting plate, lower carriage mounting seat, lower carriage fixture block and lower carriage briquetting.
Lower carriage antenna connecting plate is fixed on antenna body bottom, and lower carriage mounting seat is fixed on lower carriage antenna On connecting plate, lower carriage fixture block is flexibly connected with lower carriage mounting seat, and lower carriage fixture block passes through stay bolt card with lower carriage briquetting Tightly on pole.
Described lower carriage fixture block is flexibly connected with lower carriage antenna connecting plate using bolt and sleeve pipe.
Described lower carriage fixture block inner side is provided with V-shaped groove, and lower carriage briquetting bending forming V-shape sets on the inside of lower carriage fixture block The V-shaped groove put is engaged with lower carriage briquetting bending forming V-shape, is clamped on pole by stay bolt.
Described upper bracket fixture block inner side is provided with V-shaped groove, and upper bracket briquetting bending forming V-shape sets on the inside of upper bracket fixture block The V-shaped groove put is engaged with upper bracket briquetting bending forming V-shape, is clamped on pole by stay bolt.
Described cylinder is provided with air inlet, exhaust outlet, is controlled by the control compressed gas pipeline got off along pole Cylinder operation adjusts the long-armed angle and galianconism between, realizes the vertical mechanical angle adjustment of antenna body.
Described long-armed lower end is provided with dial one, and galianconism lower end is provided with dial two, for indicate it is long-armed with it is short The arm anglec of rotation.
It is a kind of can remote adjustment aerial mechanical angle of declination mounting bracket be used for remote adjustment antenna mechanical tilt angle.
The present invention it is a kind of can remote adjustment aerial mechanical angle of declination mounting bracket beneficial effect:
1. the present invention it is a kind of can remote adjustment aerial mechanical angle of declination mounting bracket fixture block use prick ear structure, than routine Support reduces by one group of fixed plate, and pre-installation is conveniently a lot;
2. the present invention it is a kind of can remote adjustment aerial mechanical angle of declination mounting bracket solve and remote monitoring and adjustment under tower Aerial mechanical angle of declination problem, reduces workman and climbs the frequency of tower, safety well;
3. the present invention it is a kind of can remote adjustment aerial mechanical angle of declination mounting bracket cylinder head support base, bottom support Seat and long-armed turntable, galianconism turntable use triangulo column structure, and overall dimensions are small, when the long-armed and galianconism of upper bracket closes up just The cylinder between galianconism long is covered well.
Brief description of the drawings
Below with reference to accompanying drawing, the invention will be further described:
Fig. 1 be it is a kind of can remote adjustment aerial mechanical angle of declination mounting support structure and scheme of installation.
Fig. 2 be it is a kind of can remote adjustment aerial mechanical angle of declination mounting bracket upper bracket scheme of installation 1.
Fig. 3 be it is a kind of can remote adjustment aerial mechanical angle of declination mounting bracket upper bracket scheme of installation 2.
Fig. 4 be it is a kind of can remote adjustment aerial mechanical angle of declination mounting bracket upper bracket long-armed schematic diagram.
Fig. 5 be it is a kind of can remote adjustment aerial mechanical angle of declination mounting bracket upper bracket galianconism schematic diagram.
Fig. 6 be it is a kind of can remote adjustment aerial mechanical angle of declination mounting bracket lower carriage scheme of installation.
In figure:1 is antenna body, and 2 is upper bracket antenna connecting plate, and 3 is long-armed, and 4 is galianconism, and 5 is upper bracket mounting seat, 6 It is cylinder, 7 is upper bracket fixture block, and 8 is upper bracket briquetting, and 9 is pole, and 10 is lower carriage antenna connecting plate, and 11 pacify for lower carriage Dress seat, 12 is lower carriage fixture block, and 13 is lower carriage briquetting, and 14 is stay bolt one, and 15 is stay bolt two;31 is long-armed turntable, 32 It is dial one, 41 is galianconism turntable, and 42 is dial two, and 61 is top braces seat, and 62 is bottom support base.
Specific embodiment
Referring to the drawings 1-6, it is a kind of can remote adjustment aerial mechanical angle of declination mounting bracket by upper bracket and lower carriage group Into.
Upper bracket includes upper bracket antenna connecting plate 2, upper bracket mounting seat 5, long-armed 3, cylinder 6, galianconism 4, upper bracket card Block 7 and upper bracket briquetting 8.
Upper bracket antenna connecting plate 2 is fixed on the top of antenna body 1, and upper bracket mounting seat 5 is fixed on upper bracket On antenna connecting plate 2, upper bracket mounting seat 5 is flexibly connected with long-armed 3 upper end, and long-armed 3 lower end is flexibly connected with the lower end of galianconism 4, The upper end of galianconism 4 is flexibly connected with upper bracket fixture block 7.Long-armed 3 upper end inner side is equipped with long-armed turntable 31, and the lower end inside of galianconism 4 is equipped with Galianconism turntable 41, equipped with top braces seat 61, the bottom of cylinder 6 is equipped with bottom support base 62, cylinder for the piston rod upper end of cylinder 6 6 piston rod upper end is flexibly connected by top braces seat 61 with long-armed turntable 31, and the bottom of cylinder 6 passes through bottom support base 62 It is flexibly connected with galianconism turntable 41.
Upper bracket fixture block 7 is clamped on pole 9 with upper bracket briquetting 8 by stay bolt 1.
Described upper bracket mounting seat 5 is flexibly connected with long-armed 3 upper end using bolt and sleeve pipe.Described long-armed 3 lower end It is flexibly connected using bolt and sleeve pipe with the lower end of galianconism 4.The described upper end of galianconism 4 uses bolt and sleeve pipe with upper bracket fixture block 7 It is flexibly connected.
Lower carriage includes lower carriage antenna connecting plate 10, lower carriage mounting seat 11, lower carriage fixture block 12 and lower carriage briquetting 13。
Lower carriage antenna connecting plate 10 is fixed on the bottom of antenna body 1, and lower carriage mounting seat 11 is fixed on lower branch On frame antenna connecting plate 10, lower carriage fixture block 12 is flexibly connected with lower carriage mounting seat 11, lower carriage fixture block 12 and lower carriage pressure Block 13 is clamped on pole 9 by stay bolt 2 15.
Described lower carriage fixture block 12 is flexibly connected with lower carriage antenna connecting plate 10 using bolt and sleeve pipe.
The described inner side of lower carriage fixture block 12 is provided with V-shaped groove, the bending forming V-shape of lower carriage briquetting 13, lower carriage fixture block 12 The V-shaped groove that inner side is set is engaged with the bending forming V-shape of lower carriage briquetting 13, is clamped on pole 9 by stay bolt 15.
The described inner side of upper bracket fixture block 7 is provided with V-shaped groove, the bending forming V-shape of upper bracket briquetting 8, the inner side of upper bracket fixture block 7 The V-shaped groove of setting is engaged with the bending forming V-shape of upper bracket briquetting 8, is clamped on pole 9 by stay bolt.
Described cylinder 6 is provided with air inlet, exhaust outlet, by the control compressed gas pipeline control got off along pole 9 Cylinder processed 6 works to adjust the angle between long-armed 3 and galianconism 4, realizes the vertical mechanical angle adjustment of antenna body 1.
Described long-armed 3 lower end is provided with dial 1, and the lower end of galianconism 4 is provided with a dial 2 42, for indicating Angle angle between long-armed 3 and galianconism 4.
Described lower carriage fixture block 12 uses prick ear structure, is directly connected with lower carriage mounting seat 11.
It is a kind of can remote adjustment aerial mechanical angle of declination mounting bracket be used for remote adjustment antenna mechanical tilt angle.
Installation steps:
Step 1:Upper bracket mounting seat 5 is installed with long-armed 3 with bolt and sleeve pipe connection, pre-screwing;
Step 2:Long-armed 3 are installed with galianconism 4 with bolt and sleeve pipe connection, pre-screwing;
Step 3:Galianconism 4 is installed with upper bracket fixture block 7 with bolt and sleeve pipe connection, pre-screwing;
Step 4:Galianconism turntable 41 on galianconism 4 is connected with the bottom support base 62 on cylinder 6;
Step 4:Long-armed turntable 31 on long-armed 3 is connected with the top braces seat 61 on cylinder 6;
Step 6:Lower carriage mounting seat 11 is installed with lower carriage fixture block 12 with bolt and sleeve pipe connection, pre-screwing;
Step 7:The upper bracket connecting plate 2 of antenna 1 is bolted connection with upper bracket mounting seat 5;Lower carriage connection on antenna 1 Plate 10 is bolted connection with lower carriage mounting seat 11;
Step 8:Upper bracket fixture block 7 and upper bracket briquetting 8 are clamped on pole 9 with stay bolt 1;Lower carriage fixture block 12 is with Stand briquetting 13 is clamped on pole 9 with stay bolt 2 15;
Implementation method:
Step 1:Upper and lower support is installed on pole 9 and merges long-armed 3 and galianconism 4, makes galianconism 4 vertical;
Step 2:Control cylinder 6 to work by the control compressed gas pipeline got off along pole 9 to adjust long-armed 3 and galianconism 4 Between angle, realize the vertical mechanical angle adjustment of antenna body 1.
It is a kind of can remote adjustment aerial mechanical angle of declination mounting bracket using customization air cylinder structure, by remote control gas Cylinder is flexible to be driven upper bracket long-armed 3 with the folding of galianconism 4 to realize remote control and regulation aerial mechanical angle of declination.
It is a kind of can remote adjustment aerial mechanical angle of declination mounting bracket cylinder top braces seat 61, bottom support base 62 and long-armed turntable 31, galianconism turntable 41 use triangulo column structure, overall dimensions are small, and compact structure is firm.Upper bracket Long-armed 3 and galianconism 4 close up after the cylinder 6 between galianconism long is encased can completely, enwraped type air cylinder structure causes space utilization Rate is greatly promoted.
Lower carriage fixture block 12 uses prick ear structure, is directly connected with lower carriage mounting seat 11, simple structure, pre-installation side Just.

Claims (9)

1. it is a kind of can remote adjustment aerial mechanical angle of declination mounting bracket, it is characterised in that:It is made up of upper bracket and lower carriage;
Upper bracket includes upper bracket antenna connecting plate, upper bracket mounting seat, long-armed, cylinder, galianconism, upper bracket fixture block and upper bracket Briquetting;
Upper bracket antenna connecting plate is fixed on antenna body top, and upper bracket mounting seat is fixed on the connection of upper bracket antenna On plate, upper bracket mounting seat is flexibly connected with long-armed upper end, and long-armed lower end is flexibly connected with galianconism lower end, galianconism upper end and upper branch Frame fixture block is flexibly connected;Long-armed upper end inner side is equipped with long-armed turntable, and galianconism lower end inside is equipped with galianconism turntable, the piston rod of cylinder Equipped with top braces seat, the bottom of cylinder is equipped with bottom support base for upper end, the piston rod upper end of cylinder by top braces seat and Long-armed turntable is flexibly connected, and the bottom of cylinder is flexibly connected by bottom support base with galianconism turntable;
Upper bracket fixture block is clamped on pole with upper bracket briquetting by stay bolt;
Lower carriage includes lower carriage antenna connecting plate, lower carriage mounting seat, lower carriage fixture block and lower carriage briquetting;
Lower carriage antenna connecting plate is fixed on antenna body bottom, and lower carriage mounting seat is fixed on the connection of lower carriage antenna On plate, lower carriage fixture block is flexibly connected with lower carriage mounting seat, and lower carriage fixture block is clamped on lower carriage briquetting by stay bolt On pole.
2. it is according to claim 1 it is a kind of can remote adjustment aerial mechanical angle of declination mounting bracket, it is characterised in that:Institute The upper bracket mounting seat stated is flexibly connected with long-armed upper end using bolt and sleeve pipe;Described long-armed lower end uses with galianconism lower end Bolt and sleeve pipe are flexibly connected;Described galianconism upper end is flexibly connected with upper bracket fixture block using bolt and sleeve pipe.
3. it is according to claim 1 it is a kind of can remote adjustment aerial mechanical angle of declination mounting bracket, it is characterised in that:Institute The lower carriage fixture block stated is flexibly connected with lower carriage antenna connecting plate using bolt and sleeve pipe.
4. it is according to claim 1 it is a kind of can remote adjustment aerial mechanical angle of declination mounting bracket, it is characterised in that:Institute The upper bracket fixture block inner side stated is provided with V-shaped groove, upper bracket briquetting bending forming V-shape, the V-shaped groove that upper bracket fixture block inner side is set with Upper bracket briquetting bending forming V-shape is engaged, and is clamped on pole by stay bolt.
5. it is according to claim 1 it is a kind of can remote adjustment aerial mechanical angle of declination mounting bracket, it is characterised in that:Institute The lower carriage fixture block inner side stated is provided with V-shaped groove, lower carriage briquetting bending forming V-shape, the V-shaped groove that lower carriage fixture block inner side is set with Lower carriage briquetting bending forming V-shape is engaged, and is clamped on pole by stay bolt.
6. it is according to claim 1 it is a kind of can remote adjustment aerial mechanical angle of declination mounting bracket, it is characterised in that:Institute The cylinder stated is provided with air inlet, exhaust outlet, and cylinder operation is controlled by the control compressed gas pipeline got off along pole, comes The long-armed angle and galianconism between is adjusted, the vertical mechanical angle adjustment of antenna body is realized.
7. it is according to claim 1 it is a kind of can remote adjustment aerial mechanical angle of declination mounting bracket, it is characterised in that:Institute The long-armed lower end stated is provided with dial one, and galianconism lower end is provided with dial two, for indicating the long-armed and galianconism anglec of rotation.
8. it is according to claim 1 it is a kind of can remote adjustment aerial mechanical angle of declination mounting bracket, it is characterised in that:Institute The top braces seat of the cylinder stated, bottom support base and long-armed turntable, galianconism turntable use triangulo column structure, overall dimensions It is small, the cylinder between galianconism long is just covered when the long-armed and galianconism of upper bracket closes up.
9. it is according to claim 1 it is a kind of can remote adjustment aerial mechanical angle of declination mounting bracket, it is characterised in that:Institute The lower carriage fixture block stated uses prick ear structure, is directly connected with lower carriage mounting seat.
CN201710078634.2A 2017-02-14 2017-02-14 It is a kind of can remote adjustment aerial mechanical angle of declination mounting bracket Pending CN106876984A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710078634.2A CN106876984A (en) 2017-02-14 2017-02-14 It is a kind of can remote adjustment aerial mechanical angle of declination mounting bracket

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710078634.2A CN106876984A (en) 2017-02-14 2017-02-14 It is a kind of can remote adjustment aerial mechanical angle of declination mounting bracket

Publications (1)

Publication Number Publication Date
CN106876984A true CN106876984A (en) 2017-06-20

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Family Applications (1)

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Country Link
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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108336476A (en) * 2018-03-09 2018-07-27 南京华脉科技股份有限公司 A kind of antenna for base station mounting bracket based on motorized adjustment
CN108649317A (en) * 2018-04-28 2018-10-12 佛山鼎容软件科技有限公司 A kind of plate antenna convenient for adjusting angle
CN112038769A (en) * 2019-06-03 2020-12-04 中兴通讯股份有限公司 Adjustable support component and adjustable installation part for equipment installation

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2789946Y (en) * 2005-01-28 2006-06-21 摩比天线技术(深圳)有限公司 Base station antenna mounting clamp
US20140103184A1 (en) * 2012-10-15 2014-04-17 Telekom Malaysia Berhad Apparatus for adjusting the tilt angle of an antenna
CN203747014U (en) * 2014-02-21 2014-07-30 重庆鼎基机电技术有限公司 Small mobile emergency communication platform
CN104901013A (en) * 2015-03-04 2015-09-09 赖少山 Automatic electric adjustment system for mobile communication antenna
CN206471501U (en) * 2017-02-14 2017-09-05 中天宽带技术有限公司 It is a kind of can remote adjustment aerial mechanical angle of declination mounting bracket

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2789946Y (en) * 2005-01-28 2006-06-21 摩比天线技术(深圳)有限公司 Base station antenna mounting clamp
US20140103184A1 (en) * 2012-10-15 2014-04-17 Telekom Malaysia Berhad Apparatus for adjusting the tilt angle of an antenna
CN203747014U (en) * 2014-02-21 2014-07-30 重庆鼎基机电技术有限公司 Small mobile emergency communication platform
CN104901013A (en) * 2015-03-04 2015-09-09 赖少山 Automatic electric adjustment system for mobile communication antenna
CN206471501U (en) * 2017-02-14 2017-09-05 中天宽带技术有限公司 It is a kind of can remote adjustment aerial mechanical angle of declination mounting bracket

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108336476A (en) * 2018-03-09 2018-07-27 南京华脉科技股份有限公司 A kind of antenna for base station mounting bracket based on motorized adjustment
CN108649317A (en) * 2018-04-28 2018-10-12 佛山鼎容软件科技有限公司 A kind of plate antenna convenient for adjusting angle
CN112038769A (en) * 2019-06-03 2020-12-04 中兴通讯股份有限公司 Adjustable support component and adjustable installation part for equipment installation
WO2020244290A1 (en) * 2019-06-03 2020-12-10 中兴通讯股份有限公司 Adjustable support assembly for equipment installation and adjustable mounting member
CN112038769B (en) * 2019-06-03 2023-07-21 南京中兴新软件有限责任公司 Adjustable bracket assembly and adjustable mounting piece for equipment installation

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Effective date of registration: 20191108

Address after: 226463 Zhongtian Industrial Zone, Hekou Town, Rudong County, Jiangsu, Nantong

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Address before: 226463 Zhongtian Industrial Zone, Hekou Town, Rudong County, Jiangsu, Nantong

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