CN205564948U - Adopt flexible arm height -adjusting's short wave antenna - Google Patents
Adopt flexible arm height -adjusting's short wave antenna Download PDFInfo
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- CN205564948U CN205564948U CN201620008315.5U CN201620008315U CN205564948U CN 205564948 U CN205564948 U CN 205564948U CN 201620008315 U CN201620008315 U CN 201620008315U CN 205564948 U CN205564948 U CN 205564948U
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- wave antenna
- horizontal rotation
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Abstract
The utility model discloses an adopt flexible arm height -adjusting's short wave antenna, including antenna main part system, antenna support structures and power antenan system, wherein, antenna main part system includes and comprises the several layers of antenna element array of structures of arranging according to certain law, the power antenan system is including control the rotation of antenna main part system, the action of going up and down, antenna support structures is used for directly supporting wholely antenna main part system can realize the action of rotating, going up and down the antenna main part. The utility model provides an adopt flexible arm height -adjusting's short wave antenna had both realized the high quick adjustment of short wave antenna, had shortened the installation cycle of setting up again by a wide margin, can also realize urgent that quick the transfer guarantee the communication security constantly simultaneously, the embodiment of the utility model provides an adopt flexible arm height -adjusting's short wave antenna has all many -sided technological advantages, and good market prospect and economic benefits will be brought to it.
Description
Technical field
The utility model relates to short-wave antenna technical field, particularly relates to a kind of employing telescopic arm
The short-wave antenna of regulation height.
Background technology
It is known that work in transmitting or the reception antenna of short-wave band (1～30MHz), system
It is referred to as short-wave antenna.
At present, domestic existing short-wave antenna system is based on broadband curtain antenna, and it supports knot
Structure is usually fixed form.So with the short-wave antenna system of conventional support structure,
The technical disadvantages of inevitable following aspect: (1) structure is complicated, long construction period；(2) it is being subject to
Cannot realize quickly adjusting when needing regulate antenna height to ambient conditions；(3) due to
Use overall fixing, on-site consolidation, it is impossible to meet the requirements such as quick movement, fast erecting.
To sum up, the above-mentioned technological deficiency how overcoming tradition short-wave antenna system is this area skill
The technical problem that art personnel are urgently to be resolved hurrily.
Utility model content
The purpose of this utility model is to provide a kind of shortwave sky using telescopic arm regulation height
Line, to solve the problems referred to above.The utility model provides a kind of employing telescopic arm regulation height
Short-wave antenna, by existing more ripe wheeled crane telescopic arm structure technology, real
The fast lifting of existing short-wave antenna.
In order to achieve the above object, the technical solution of the utility model is achieved in that
The utility model provides a kind of short-wave antenna using telescopic arm regulation height, including
Antenna body system, Antenna support structure and antenna control system；
Wherein, described antenna body system includes being shaken by the several layers of antenna arranged according to certain rules
Minor structure array forms；
Described antenna control system includes controlling the rotation of described antenna body system, lifting is moved
Make；
Described Antenna support structure is used for directly supporting whole described antenna body system can be real
The action now antenna body is rotated, lifted.
Preferably, can embodiment as one；Described Antenna support structure includes that ground is propped up
Support foundation structure, telescopic arm structure, horizontal rotation device, antenna mounting girder truss；Described
Ground supports foundation structure, described telescopic arm structure, described horizontal rotation device and described sky
Line sub-truss beam order the most successively is fixing to be connected.
Preferably, can embodiment as one；Concrete knot at described Antenna support structure
In structure:
Wherein, described ground supports foundation structure is fixing even by steel bar concrete casting mode
Connect on the ground；Or described ground supports foundation structure is fixedly connected on by bolt assembly
On vehicle-mounted compartment.
Preferably, can embodiment as one；Concrete knot at described Antenna support structure
In structure:
Wherein, described telescopic arm lifting structure includes organizing telescopic arm assembly and driving means more,
Described driving means is connected with many group telescopic arm Component drivers, and if often organize telescopic arm assembly by
Dry joint polygonal cross-section telescopic arm order socket composition successively；Described telescopic arm lifting structure
Bottom and top are hinged with described ground supports foundation structure and horizontal rotation device respectively；And
Telescopic arm assembly top and bottom ends are respectively equipped with the slewing equipment along telescopic arm axis direction, described
Slewing equipment is used for being easy to telescopic arm and ground supports foundation structure and level when installing/dismounting
The docking of slewing equipment；
Be provided with hydraulic jack and rope device in often organizing described telescopic arm assembly, described in stretch
Contracting arm component is for by steel wire rope on the flexible of hydraulic jack and rope device and assembly pulley
Interoperation, it is achieved telescopic arm length component stretches.
Preferably, can embodiment as one；On described telescopic arm lifting structure single group
Telescopic arm assembly specifically comprises the particular number of telescopic arm and described antenna body system 11
Highly adapt；The height of described antenna body system gets over Gao Ze, single group telescopic arm assembly institute
The telescopic arm particular number comprised is the biggest and single telescopic arm length is the longest.
Preferably, can embodiment as one；Stretching in described telescopic arm lifting structure
Arm component is preferably three groups, and the bottom of telescopic arm assembly described in three groups and described ground supports
Foundation structure pin joint is in triangular distribution, and the top of three groups of telescopic arm assemblies is all hinged on
On described horizontal rotation device.
Preferably, can embodiment as one；Described driving means is specially hydraulic-driven
Device, motor driver or internal combustion engine driving means.
Preferably, can embodiment as one；Concrete knot at described Antenna support structure
In structure: wherein, described horizontal rotation device is for controlling the horizontal rotation of antenna body system
Action.It is provided with hydraulic-driven structure or motor-driven structure in described horizontal rotation device.
Preferably, can embodiment as one；Concrete knot at described Antenna support structure
In structure
Wherein, described antenna mounting girder truss is the space truss being made up of multiple unit modules
Structure.
Compared with prior art, the advantage of the utility model embodiment is:
A kind of short-wave antenna using telescopic arm regulation height that the utility model provides, it is main
To be made up of structures such as antenna body system, Antenna support structure and antenna control systems；
Wherein, described antenna body system includes being shaken by the several layers of antenna arranged according to certain rules
Minor structure array；Described antenna control system includes controlling antenna body rotation, liter degradation moves
Make；Described Antenna support structure be mainly used in supporting whole antenna body system and can realize right
Antenna body carries out rotating, rising a series of action of degradation, this Antenna support structure mainly by
Ground supports foundation structure, telescopic arm structure, horizontal rotation device, antenna mounting girder truss
Form etc. structure.Described ground supports foundation structure is according to the different employings of antenna body system
Steel bar concrete casting formula or vehicle-mounted removable；Described telescopic arm structure uses existing maturation
Wheeled crane telescopic arm technology, uses hydraulic jack to add rope device and stretches and realize mechanism
Move up and down, three or more telescopic arm lift can be used according to antenna body system requirements
Structure；Described horizontal rotation device, for controlling the horizontal rotation action of antenna body system, is adopted
Drive with hydraulic pressure or motor；Described antenna mounting girder truss is made up of multiple unit modules
Space truss structure.
In sum, the utility model uses the short-wave antenna of telescopic arm regulation height to provide
Technical scheme, the height both having achieved short-wave antenna quickly regulates, and installation is greatly shortened again
In the erection cycle, can also realize fast transfer at Emergency time guarantees communication security simultaneously.
Accompanying drawing explanation
In order to be illustrated more clearly that the utility model detailed description of the invention or skill of the prior art
Art scheme, below by detailed description of the invention or description of the prior art required use attached
Figure is briefly described, it should be apparent that, the accompanying drawing in describing below is of the present utility model
Some embodiments, for those of ordinary skill in the art, are not paying creative labor
On the premise of Dong, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is a kind of short-wave antenna using telescopic arm regulation height of the utility model embodiment
The overall structure view of embodiment；
Fig. 2 is a kind of short-wave antenna using telescopic arm regulation height of the utility model embodiment
Retracted state schematic diagram；
Fig. 3 is a kind of short-wave antenna using telescopic arm regulation height of the utility model embodiment
Complete effect schematic diagram.
Description of reference numerals:
Antenna body system 11；
Antenna support structure 12；
Antenna control system 13；
Antenna support structure 12, its concrete structure:
Ground supports foundation structure 121；
Telescopic arm structure 122；
Horizontal rotation device 123；
Antenna mounting girder truss 124；
Slewing equipment 125；
Hydraulic jack 126；
Rope device 127.
Detailed description of the invention
Below in conjunction with accompanying drawing, the technical solution of the utility model is clearly and completely retouched
State, it is clear that described embodiment is a part of embodiment of the utility model rather than complete
The embodiment in portion.Based on the embodiment in the utility model, those of ordinary skill in the art exist
Do not make the every other embodiment obtained under creative work premise, broadly fall into this reality
By novel protected scope.
In description of the present utility model, it should be noted that term " " center ", " on ",
The orientation of the instruction such as D score, "left", "right", " vertically ", " level ", " interior ", " outward "
Or position relationship is based on orientation shown in the drawings or position relationship, it is for only for ease of description
The utility model and simplification describe rather than indicate or imply that the device of indication or element are necessary
There is specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to this
The restriction of utility model.Additionally, term " first ", " second ", " the 3rd " are only used for retouching
State purpose, and it is not intended that indicate or hint relative importance.
In description of the present utility model, it should be noted that unless otherwise clear and definite regulation
And restriction, term " is installed ", " being connected ", " connection " should be interpreted broadly, such as, and can
To be fixing connection, it is also possible to be to removably connect, or be integrally connected；Can be machinery
Connect, it is also possible to be electrical connection；Can be to be joined directly together, it is also possible to by between intermediary
Connect connected, can be the connection of two element internals.For those of ordinary skill in the art
For, above-mentioned term concrete meaning in the utility model can be understood with concrete condition.
Below by specific embodiment and combine accompanying drawing the utility model is done further
Describe in detail.
See Fig. 1, a kind of employing telescopic arm regulation height that the utility model embodiment one provides
The short-wave antenna of degree, including antenna body system 11, Antenna support structure 12 and sky line traffic control
System 13 processed；
Wherein, described antenna body system 11 includes by the several layers of sky arranged according to certain rules
Linear oscillator array of structures；Described antenna control system 13 includes that controlling antenna body rotates, rises
Degradation action；Described Antenna support structure 12 is mainly used in supporting whole antenna body system also
Can realize antenna body being rotated, rising degradation a series of action (concrete telescopic process
Refer to Fig. 2 and structure illustrated in Figure 3)；This Antenna support structure 12 is main by ground
Face brace foundation structure 121, telescopic arm structure 122, horizontal rotation device 123, antenna prop up
The structure compositions such as support girder truss 124.Described ground supports foundation structure 121 is according to antenna master
The different of system system use steel bar concrete casting formula or vehicle-mounted removable；Described telescopic arm is tied
Structure 122 uses the wheeled crane telescopic arm technology of existing maturation, uses hydraulic jack to add rope
Arranging device stretches and realizes the up and down motion of mechanism, can use three according to antenna body system requirements
Individual or multiple telescopic arm elevating mechanisms；Described horizontal rotation device 123 is used for controlling antenna master
The horizontal rotation action of system system, uses hydraulic pressure or motor to drive；Described antenna mounting truss
Beam 124 is the space truss structure being made up of multiple unit modules.
In sum, the technical scheme that the utility model provides both had achieved the height of short-wave antenna
Degree quickly regulation, is greatly shortened again the installation erection cycle, the most all right at Emergency time
Realize fast transfer and guarantee communication security.
Below the utility model embodiment offer is used the shortwave sky of telescopic arm regulation height
Concrete structure and the concrete technique effect of line do and describe in detail:
Described Antenna support structure 12 includes ground supports foundation structure 121, telescopic arm structure
122, horizontal rotation device 123, antenna mounting girder truss 124；Described ground supports basis
Structure 121, described telescopic arm structure 122, described horizontal rotation device 123 and described antenna
Sub-truss beam 124 order the most successively is fixing to be connected.
In the concrete structure of described Antenna support structure 12:
Wherein, described ground supports foundation structure 121 is solid by steel bar concrete casting mode
Fixed connection is on the ground；Or described ground supports foundation structure 121 is solid by bolt assembly
Surely it is connected on vehicle-mounted compartment.
It should be noted that described ground supports foundation structure 121 is according to antenna body system
Vary in size, steel bar concrete casting formula or vehicle-mounted removable can be used；It addition, need
It is noted that by using vehicle-carried mobile formula brace foundation structure as support, Ji Keshi
The overall the most mobile transfer of existing described short-wave antenna.
In the concrete structure of described Antenna support structure 12:
Wherein, described telescopic arm lifting structure 122 includes organizing telescopic arm assembly more and driving dress
Put that (i.e. driving means is specially fluid pressure drive device, motor driver or internal combustion engine drive
Device), described driving means is connected with many group telescopic arm Component drivers, and often group telescopic arm group
Part is made up of some joint polygonal cross-section telescopic arms successively order socket；Described telescopic arm lifts
The bottom of structure 122 and top are returned with described ground supports foundation structure 121 and level respectively
Rotary device 123 is hinged；And telescopic arm assembly top and bottom ends are respectively equipped with along telescopic arm axis side
To slewing equipment 125, described slewing equipment 125 is used for being easy to when installing/dismounting flexible
Docking of arm and ground supports foundation structure and horizontal rotation device；
Hydraulic jack 126 and rope device 127 it is provided with in often organizing described telescopic arm assembly,
Described telescopic arm assembly is for by steel on the flexible of hydraulic jack 126 and rope device 127
Cord and the interoperation of assembly pulley, it is achieved telescopic arm length component stretches.
It should be noted that described telescopic arm lifting structure 122 by three groups or organizes telescopic arm more
Assembly is supported, and often group telescopic arm is made up of some joint polygonal cross-section telescopic arms, according to
Cross section is from being respectively basic arm, two joint arms, three joint arms, four joint arms etc., Dan Zushen to little greatly
Contracting arm comprises the telescopic arm quantity requirement height change according to antenna body system 11, and height is more
Then telescopic arm quantity is the biggest, joint length is the longest for height.Be provided with in telescopic arm hydraulic jack and
Rope device, by coordinating of the flexible of hydraulic jack and rope device steel wire rope and assembly pulley
Action, it is achieved stretching out and retracting between Bijie.The bottom of telescopic arm lifting structure and top
Hinged with ground supports foundation structure and horizontal rotation device respectively, and at the bottom of telescopic arm top two
End is respectively equipped with the slewing equipment along telescopic arm axis direction, it is simple to flexible when installing/dismounting
Arm (notes above-mentioned slewing equipment with ground supports foundation structure and docking of horizontal rotation device
Being different from horizontal rotation device, this slewing equipment is provided with along telescopic arm axis by using two ends
The telescopic arm of the slewing equipment in direction, can be significantly increased the peace of described short-wave antenna
Dress convenience).
It will be apparent that the wheeled crane that above-mentioned telescopic arm structure 122 uses existing maturation stretches
Arm technology, uses hydraulic jack to add rope device and stretches and realize the up and down motion of mechanism, can root
Three or more telescopic arm assembly lift mechanism is used according to antenna body system requirements；
Preferably, can embodiment as one；On described telescopic arm lifting structure 122
Single group telescopic arm assembly specifically comprises the particular number of telescopic arm and described antenna body system
The height of 11 adapts；The height of described antenna body system 11 gets over Gao Ze, and single group is flexible
The telescopic arm particular number that arm component is comprised is the biggest and single telescopic arm length is the longest.
It should be noted that the spy such as the concrete telescopic arm quantity of single group telescopic arm assembly and size
Levying, all concrete structure sizes etc. with actual antenna body system adapt to.I.e. antenna
The height of system of subject is the highest, then the telescopic arm particular number that single group telescopic arm assembly is comprised
The most and single telescopic arm length is the longest；On the contrary, the height of antenna body system is the lowest,
The telescopic arm particular number that then single group telescopic arm assembly is comprised is less and single flexible brachium
Spend the shortest.
Preferably, can embodiment as one；In described telescopic arm lifting structure 122
Telescopic arm assembly is preferably three groups, and the bottom of telescopic arm assembly described in three groups and described ground
Brace foundation structure 121 pin joint is in triangular distribution, and the top of three groups of telescopic arm assemblies
All it is hinged on described horizontal rotation device.
It should be noted that the described telescopic arm lifting structure being made up of three groups of telescopic arm assemblies
122, its bottom surface is triangle, generally Mitsubishi's wimble structure, and such structure is more beneficial for stretching
The stability of strutting system of contracting arm lifting structure 122 and reliability.
In the concrete structure of described Antenna support structure 12:
Wherein, described horizontal rotation device 123 returns for the level controlling antenna body system
Rotate and make.It is provided with hydraulic-driven structure in described horizontal rotation device 123 or motor drives
Structure.
In the concrete structure of described Antenna support structure 12:
Wherein, described antenna mounting girder truss 124 is the space being made up of multiple unit modules
Truss structure.
It should be noted that the steel construction configuration of antenna mounting girder truss 124 not only has one
Fixed wind resistance shock resistance, it uses space truss structure (parallel chord truss or three to be preferably used
Dihedral truss), axial tension or pressure and side stress can be born, it is thus possible to fully profit
By the intensity of material, its rigidity of structure considerably increasing short-wave antenna and structural reliability.
Meanwhile, the truss structure that antenna mounting girder truss 124 uses, it is also possible to give full play to material
Effect, save material, alleviate construction weight, and greatly improve antenna bearing capacity,
Its structural stability being obviously improved short-wave antenna and structural reliability.
Peace about the short-wave antenna using telescopic arm regulation height in the utility model embodiment
Dress method illustrates:
Use the short-wave antenna installation steps of telescopic arm regulation height: first, by by antenna
System of subject is arranged on sub-truss beam, then integral installation is on described telescopic arm structure,
By the electronic of control system or internal-combustion engine drives hydraulic pump works, by liquid effects at liquid
Realize the lifting action of telescopic arm structure on compressing cylinder, finally realize the height of antenna body system
Degree quickly adjusts and installs and sets up.
In sum, what the utility model embodiment related to uses the short of telescopic arm regulation height
Wave antenna, its simple in construction, construction period is shorter；It will be apparent that it had both achieved shortwave sky
The height of line quickly regulates and (which overcomes tradition short-wave antenna, by ambient conditions
Need to realize quick-adjustsing technological deficiency when regulating antenna height), it is greatly shortened again
Installing the erection cycle, can also realize fast transfer at Emergency time guarantees communication security simultaneously
(it really meets on-site consolidation, and quickly movement, fast erecting etc. require)；It will be apparent that
What the utility model embodiment provided uses the short-wave antenna of telescopic arm regulation height to have many
The technical advantage of aspect, it will bring good market prospects and economic benefit.
It is last it is noted that various embodiments above is only in order to illustrate technology of the present utility model
Scheme, is not intended to limit；Although the utility model being carried out with reference to foregoing embodiments
Detailed description, it will be understood by those within the art that: it still can be to aforementioned
Technical scheme described in each embodiment is modified, or to the most some or all of skill
Art feature carries out equivalent；And these amendments or replacement, do not make appropriate technical solution
Essence depart from the utility model each embodiment technical scheme scope.
Claims (10)
1. the short-wave antenna using telescopic arm regulation height, it is characterised in that include antenna body system, Antenna support structure and antenna control system；
Wherein, described antenna body system includes being made up of the several layers of antenna oscillator array of structures arranged according to certain rules；
Described antenna control system includes controlling the rotation of described antenna body system, lifting action；
Described Antenna support structure is for directly supporting whole described antenna body system and can realize the action rotating antenna body, lifting.
2. the short-wave antenna using telescopic arm regulation height as claimed in claim 1, it is characterised in that
Described Antenna support structure includes ground supports foundation structure, telescopic arm structure, horizontal rotation device, antenna mounting girder truss；Described ground supports foundation structure, described telescopic arm structure, described horizontal rotation device and described antenna mounting girder truss order the most successively is fixing to be connected.
3. the short-wave antenna using telescopic arm regulation height as claimed in claim 2, it is characterised in that
In the concrete structure of described Antenna support structure:
Wherein, described ground supports foundation structure is fixedly connected on ground by steel bar concrete casting mode；Or described ground supports foundation structure is fixedly connected on vehicle-mounted compartment by bolt assembly.
4. the short-wave antenna using telescopic arm regulation height as claimed in claim 2, it is characterised in that
In the concrete structure of described Antenna support structure:
Wherein, described telescopic arm lifting structure includes organizing telescopic arm assembly and driving means more, and described driving means is connected with many group telescopic arm Component drivers, and often group telescopic arm assembly is made up of some joint polygonal cross-section telescopic arms successively order socket；The bottom of described telescopic arm lifting structure and top are hinged with described ground supports foundation structure and horizontal rotation device respectively；And telescopic arm assembly top and bottom ends are respectively equipped with the slewing equipment along telescopic arm axis direction, described slewing equipment is for being easy to docking of when installing/dismounting telescopic arm and ground supports foundation structure and horizontal rotation device；
Being provided with hydraulic jack and rope device in often organizing described telescopic arm assembly, described telescopic arm assembly is for the interoperation by steel wire rope on the flexible of hydraulic jack and rope device with assembly pulley, it is achieved telescopic arm length component stretches.
5. the short-wave antenna using telescopic arm regulation height as claimed in claim 4, it is characterised in that
The height of particular number and described antenna body system that the list group telescopic arm assembly on described telescopic arm lifting structure specifically comprises telescopic arm adapts；The height of described antenna body system gets over Gao Ze, and the telescopic arm particular number that single group telescopic arm assembly is comprised is the biggest and single telescopic arm length is the longest.
6. the short-wave antenna using telescopic arm regulation height as claimed in claim 2, it is characterised in that
Telescopic arm assembly in described telescopic arm lifting structure is preferably three groups, and the bottom of telescopic arm assembly described in three groups is in triangular distribution with described ground supports foundation structure pin joint, and the top of three groups of telescopic arm assemblies is all hinged on described horizontal rotation device.
7. the short-wave antenna using telescopic arm regulation height as claimed in claim 4, it is characterised in that
Described driving means is specially fluid pressure drive device, motor driver or internal combustion engine driving means.
8. the short-wave antenna using telescopic arm regulation height as claimed in claim 2, it is characterised in that
In the concrete structure of described Antenna support structure:
Wherein, described horizontal rotation device is for controlling the horizontal rotation action of antenna body system.
9. the short-wave antenna using telescopic arm regulation height as claimed in claim 8, it is characterised in that
It is provided with hydraulic-driven structure or motor-driven structure in described horizontal rotation device.
10. the short-wave antenna using telescopic arm regulation height as claimed in claim 2, it is characterised in that
In the concrete structure of described Antenna support structure:
Wherein, described antenna mounting girder truss is the space truss structure being made up of multiple unit modules.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620008315.5U CN205564948U (en) | 2016-01-04 | 2016-01-04 | Adopt flexible arm height -adjusting's short wave antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620008315.5U CN205564948U (en) | 2016-01-04 | 2016-01-04 | Adopt flexible arm height -adjusting's short wave antenna |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205564948U true CN205564948U (en) | 2016-09-07 |
Family
ID=56822780
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620008315.5U Active CN205564948U (en) | 2016-01-04 | 2016-01-04 | Adopt flexible arm height -adjusting's short wave antenna |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107989402A (en) * | 2018-01-15 | 2018-05-04 | 上海建工四建集团有限公司 | The rest method of cylinder when bracket assembly, building displacement |
| CN110429372A (en) * | 2019-08-09 | 2019-11-08 | 深圳市威富通讯技术有限公司 | Car antenna bracket |
| CN110635214A (en) * | 2019-10-23 | 2019-12-31 | 深圳市威通科技有限公司 | Mobile short wave antenna system |
-
2016
- 2016-01-04 CN CN201620008315.5U patent/CN205564948U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107989402A (en) * | 2018-01-15 | 2018-05-04 | 上海建工四建集团有限公司 | The rest method of cylinder when bracket assembly, building displacement |
| CN107989402B (en) * | 2018-01-15 | 2023-05-05 | 上海建工四建集团有限公司 | Supporting device and supporting method for column body during building displacement |
| CN110429372A (en) * | 2019-08-09 | 2019-11-08 | 深圳市威富通讯技术有限公司 | Car antenna bracket |
| CN110635214A (en) * | 2019-10-23 | 2019-12-31 | 深圳市威通科技有限公司 | Mobile short wave antenna system |
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