CN112768958B - Novel slot waveguide panel array antenna - Google Patents
Novel slot waveguide panel array antenna Download PDFInfo
- Publication number
- CN112768958B CN112768958B CN202011603507.8A CN202011603507A CN112768958B CN 112768958 B CN112768958 B CN 112768958B CN 202011603507 A CN202011603507 A CN 202011603507A CN 112768958 B CN112768958 B CN 112768958B
- Authority
- CN
- China
- Prior art keywords
- antenna
- mounting
- dovetail
- antenna main
- array antenna
- 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.)
- Active
Links
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
- H01Q21/06—Arrays of individually energised antenna units similarly polarised and spaced apart
- H01Q21/20—Arrays of individually energised antenna units similarly polarised and spaced apart the units being spaced along or adjacent to a curvilinear path
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/12—Supports; Mounting means
- H01Q1/1235—Collapsible supports; Means for erecting a rigid antenna
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/12—Supports; Mounting means
- H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
- H01Q1/24—Supports; Mounting means by structural association with other equipment or articles with receiving set
- H01Q1/241—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM
- H01Q1/246—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM specially adapted for base stations
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q3/00—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
- H01Q3/02—Arrangements 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
- H01Q3/04—Arrangements 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
- Waveguide Aerials (AREA)
Abstract
The invention discloses a novel slot waveguide panel array antenna, and relates to the field of antennas. The antenna comprises an annular mounting frame, an antenna main body, mounting plates and three hinge seats, wherein the three hinge seats are fixedly connected to the annular mounting frame at intervals; the three hinge seats are connected with stand columns, and the included angle of the axes of two adjacent stand columns is 120 degrees; the dovetail groove has all been seted up on the central line of mounting panel, three all be provided with the dovetail on the stand, the axis direction of dovetail along the stand extends, just the tip of dovetail is provided with the stopper, the mounting panel be three and respectively with dovetail sliding fit. The hinge has the advantages of simple installation process, high installation efficiency and high safety, and can be integrally installed by a single person without calibrating the orientation of the antenna main body, so that the labor cost is greatly saved.
Description
Technical Field
The invention relates to the field of antennas, in particular to a novel slot waveguide panel array antenna.
Background
The planar waveguide slot array antenna is used as one of high-gain low-sidelobe array antennas, has the characteristics of low profile, high gain, low sidelobe and the like, and is a planar waveguide slot array antenna.
In order to accelerate the 5G construction, a large number of base stations are constructed in the whole country, and according to an ideal cellular mobile communication model, a directional station is generally divided into three cells, namely a cell A has a direction angle of 0 degrees, and an antenna points to the true north; the direction angle of the cell B is 120 degrees, and the antenna points to the south; the C cell direction angle is 240 °, the antenna points to the southwest, and in construction and planning, the azimuth angle of the antenna is generally installed and adjusted strictly according to the above-mentioned regulations, which is also one of important standards of the antenna, and if the azimuth angle setting has a deviation from the azimuth angle setting, it is easy to cause that the actual coverage area of the base station does not conform to the designed coverage area, which causes the coverage area of the base station to be unreasonable, thereby causing some unexpected co-frequency and adjacent frequency interference.
The existing flat antenna mounting and fixing mode is as follows: through three stand of predetermineeing as the installation main part, three panel antenna is fixed with the stand through the independent cantilever that is used for adjusting panel antenna's inclination respectively, so every panel antenna when the installation, all need adopt measuring tool to carry out the angle measurement, and the fixed mode of cantilever and stand is: on being fixed in the stand with the cantilever through the staple bolt, panel antenna installs in the top of basic station usually, so panel antenna's installation needs many staff to carry out cooperation operation (fixed, installation, measurement and correction etc.) on higher and comparatively narrow basic station top platform, is not only the waste to manpower resources, and the installation effectiveness is low, has great potential safety hazard.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides a novel slot waveguide panel array antenna to solve the problem that the installation process of the conventional slot waveguide panel array antenna on a base station is complex.
In order to achieve the purpose of the invention, the technical scheme adopted by the invention is as follows: a novel slot waveguide panel array antenna comprises an annular mounting frame, an antenna main body, a mounting plate and three hinge seats, wherein the three hinge seats are fixedly connected to the annular mounting frame at intervals;
the three hinge seats are connected with stand columns, and the included angle of the axes of two adjacent stand columns is 120 degrees;
dovetail grooves are formed in the center lines of the mounting plates, dovetail tenons are arranged on the three upright columns, the dovetail tenons extend along the axis direction of the upright columns, limiting blocks are arranged at the end parts of the dovetail tenons, and the three mounting plates are respectively in sliding fit with the dovetail tenons;
the antenna main part is three, every the lower part of antenna main part is all articulated through the lower part of articulated elements with corresponding mounting panel, every the upper portion of antenna main part passes through angle adjusting structure and connects in the upper portion of corresponding mounting panel.
Preferably, the annular mounting bracket includes a plurality of arcs of end-to-end connection in proper order, the both ends of arc are provided with grafting piece and slot respectively, adjacent two the cooperation of pegging graft between the arc.
Preferably, the mounting plate comprises a bottom plate and a hinge shaft, a first clamping plate and a second clamping plate which are parallel to each other are arranged on the bottom plate, and one ends of the first clamping plate and the second clamping plate are connected through a limiting plate; two ends of the articulated shaft are respectively fixed on the first clamping plate and the second clamping plate;
the bottom plate is provided with a groove body, a spring is fixedly connected in the groove body, a lug is connected to the free end of the spring, the lower portion of the upright post is rotatably connected with the hinge shaft, and a groove for the lug to stretch into is formed in the bottom of the upright post.
Preferably, the angle adjusting structure includes the regulation pole, be provided with the screw hole on the mounting panel, the middle part and the screw hole screw-thread fit of adjusting the pole, the both ends of adjusting the pole are stretched out respectively the screw hole, just the both ends of adjusting the pole all are provided with the drum, the winding has the steel cable on the drum, the free end of steel cable and the upper portion fixed connection of antenna main part.
Preferably, a cylinder is arranged between the antenna main body and the mounting plate, two ends of the cylinder are connected with a sliding rod through connecting rods, and two ends of the sliding rod are connected with the mounting plate in a sliding manner.
Preferably, the antenna body is provided with a plurality of rows of first tooth bodies, and the side wall of the cylinder is provided with a second tooth body capable of being meshed with the first tooth bodies.
Preferably, the steel cord is a stainless steel wire cord.
The beneficial effects of the invention are concentrated and shown as follows:
1. according to the novel slot waveguide panel array antenna, through the matching of the hinge base and the stand column, when the antenna main body is installed, the stand column can be folded to be horizontal to the annular installation frame, so that a worker can install the antenna main body on a horizontal plane, through the matching of the dovetail joint and the dovetail groove, the worker can preliminarily fix the installation plate and the antenna main body on the stand column, and can ensure that the angles of the three antenna main bodies meet the design requirements.
2. According to the novel slot waveguide flat array antenna, due to the splicing arrangement of the annular mounting frame, when workers can carry the arc-shaped plates to the top of the base station iron tower, the arc-shaped plates are assembled into the annular mounting frame, and the effect of facilitating the workers to carry is achieved.
3. According to the novel slot waveguide flat array antenna, due to the arrangement of the detachable mounting plate, a worker can carry the upright post and the mounting plate separately, so that the effect of facilitating carrying of the worker is achieved.
4. According to the novel slot waveguide flat array antenna, after the inclination angle of the antenna main body is adjusted, the cylinder can be clamped between the antenna main body and the mounting plate through sliding the sliding rod, and the effect of limiting the antenna main body to reset is achieved.
5. According to the novel slot waveguide panel array antenna, the first tooth body and the second tooth body are arranged, so that the clamping performance is further enhanced, and a cylinder is not easy to displace.
Drawings
Fig. 1 is a schematic structural diagram of a novel slot waveguide planar array antenna according to the present invention;
fig. 2 is a schematic structural diagram of a ring-shaped mounting frame of a novel slot waveguide planar array antenna according to the present invention;
fig. 3 is a schematic structural diagram of an annular mounting frame and a column of a novel slot waveguide planar array antenna according to the present invention;
fig. 4 is a schematic top view of a mounting plate and a column of a novel slot waveguide planar array antenna according to the present invention;
FIG. 5 is a left side view of the structure of FIG. 4;
fig. 6 is a schematic structural diagram of a hinge base of a novel slot waveguide panel array antenna according to the present invention;
in the attached drawings, 1, an annular mounting frame; 2. an antenna main body; 3. mounting a plate; 4. a hinged seat; 5. a column; 6. dovetail joints; 7. an arc-shaped plate; 8. an insertion block; 9. inserting slots; 12. a spring; 13. a bump; 14. adjusting a rod; 16. a steel cord; 17. a cylinder; 18. a connecting rod; 19. a slide bar; 20. a first tooth body; 21. and a second tooth body.
Detailed Description
In order to make the technical solutions of the present invention better understood by those skilled in the art, the present invention will be further described in detail with reference to the accompanying drawings and specific embodiments.
Example 1:
a novel slot waveguide panel array antenna is shown in figures 1-6 and comprises an annular mounting frame 1, an antenna main body 2, a mounting plate 3 and three hinge seats 4, wherein the three hinge seats 4 are fixedly connected to the annular mounting frame 1 at intervals;
the three hinge seats 4 are all connected with upright columns 5, and the included angle of the axes of two adjacent upright columns 5 is 120 degrees;
dovetail grooves are formed in the center lines of the mounting plates, dovetail joints 6 are arranged on the three upright columns 5, the dovetail joints 6 extend along the axis direction of the upright columns 5, limiting blocks are arranged at the end parts of the dovetail joints 6, and the three mounting plates 3 are in sliding fit with the dovetail joints 6 respectively;
the antenna main body 2 is three, and every the lower part of antenna main body 2 all passes through the articulated elements and articulates with the lower part of corresponding mounting panel 3, every the upper portion of antenna main body 2 passes through angle adjustment structure and connects in the upper portion of corresponding mounting panel 3.
The working principle of the novel slot waveguide panel array antenna provided by the invention is as follows: annular mounting bracket 1 passes through bolt or flange spare and base station iron tower fixed connection, cooperation through articulated seat 4 and stand 5, when the installation of antenna main part 2, can be with stand 5 folding to with 1 level of annular mounting bracket, make the staff can install antenna main part 2 on the horizontal plane, cooperation through dovetail 6 and dovetail, make the staff not only can tentatively be fixed in mounting panel 3 and antenna main part 2 on stand 5, and can guarantee that three pieces of antenna main part 2's angle accords with the design requirement, setting through the stopper, be used for limiting the gliding stroke of mounting panel 3, and can overturn to when perpendicular with the horizontal plane at stand 5, hold up the mounting panel. In practice, the post 5, dovetail 6 and mounting plate 3 may be further secured by fasteners such as bolts.
Preferably, annular mounting bracket 1 includes a plurality of arcs 7 of end to end connection in proper order, the both ends of arc 7 are provided with plug-in block 8 and slot 9 respectively, adjacent two the cooperation of pegging graft between the arc 7, through the setting of the 1 concatenation formula of annular mounting bracket, when making the staff can carry arc 7 to base station iron tower's top, assemble a plurality of arcs 7 into annular mounting bracket 1 again, play the effect that the staff of being convenient for carried.
Preferably, the mounting plate comprises a bottom plate and a hinge shaft, a first clamping plate and a second clamping plate which are parallel to each other are arranged on the bottom plate, and one ends of the first clamping plate and the second clamping plate are connected through a limiting plate; two ends of the articulated shaft are respectively fixed on the first clamping plate and the second clamping plate;
the cell body has been seted up on the bottom plate, fixedly connected with spring 12 in the cell body, the free end of spring 12 is connected with lug 13, the lower part of stand 5 with the articulated shaft rotates to be connected, just the bottom of stand 5 is provided with the recess that supplies lug 13 to stretch into, through the setting of detachable mounting panel, makes the staff separately carry stand 5 and mounting panel, plays the effect that the staff of being convenient for carried, and in addition, limiting plate perpendicular to bottom plate sets up for the restriction stand 5 further rotates when stand 5 is rotatory to perpendicular with the horizontal plane, through the setting of recess, spring 12 and lug 13, when stand 5 is rotatory to perpendicular with the horizontal plane, lug 13 is just to the recess, pushes up the upper portion of lug 13 into the recess by spring 12, plays stationary mast 5's effect.
Preferably, the angle adjusting structure includes the regulation pole 14, be provided with the screw hole on the mounting panel, the middle part and the screw hole screw-thread fit of adjusting pole 14, the both ends of adjusting pole 14 are stretched out respectively the screw hole, just the both ends of adjusting pole 14 all are provided with the drum, the winding has steel cable 16 on the drum, the free end of steel cable 16 and the upper portion fixed connection of antenna main part 2, the accessible is just reversing to adjust pole 14 and receive and release steel cable 16, and then plays the effect at adjusting 2 inclinations of antenna main part, adjusts the structure for current connecting rod formula, has the precision height, advantage that stability is strong.
Preferably, the steel cord 16 is a stainless steel wire cord.
Preferably, a cylinder 17 is arranged between the antenna main body 2 and the mounting plate 3, two ends of the cylinder 17 are connected with a sliding rod 19 through a connecting rod 18, two ends of the sliding rod 19 are slidably connected with the mounting plate 3, and after the inclination angle of the antenna main body 2 is adjusted, the cylinder 17 can be clamped between the antenna main body 2 and the mounting plate 3 through sliding the sliding rod 19, so that the effect of limiting the resetting of the antenna main body 2 is achieved.
More preferably, the antenna body 2 is provided with a plurality of rows of first teeth 20, the side wall of the cylinder 17 is provided with second teeth 21 capable of engaging with the first teeth 20, and the arrangement of the first teeth 20 and the second teeth 21 further enhances the engagement performance, so that the cylinder 17 is less likely to be displaced.
Preferably, the steel cord 16 is a stainless steel wire cord.
It should be noted that, for simplicity of description, the above-mentioned embodiments of the method are described as a series of acts, but those skilled in the art should understand that the present application is not limited by the described order of acts, as some steps may be performed in other orders or simultaneously according to the present application. Further, those skilled in the art should also appreciate that the embodiments described in the specification are preferred embodiments and that the acts and elements referred to are not necessarily required in this application.
Claims (5)
1. A novel slot waveguide panel array antenna is characterized in that: the antenna comprises an annular mounting frame (1), an antenna main body (2), a mounting plate (3) and three hinge seats (4), wherein the three hinge seats (4) are fixedly connected to the annular mounting frame (1) at intervals;
the three hinge seats (4) are connected with stand columns (5), and the included angle of the axes of two adjacent stand columns (5) is 120 degrees;
dovetail grooves are formed in the center lines of the mounting plates, dovetail tenons (6) are arranged on the three upright posts (5), the dovetail tenons (6) extend along the axis direction of the upright posts (5), limiting blocks are arranged at the end parts of the dovetail tenons (6), and the three mounting plates (3) are in sliding fit with the dovetail tenons (6) respectively;
the number of the antenna main bodies (2) is three, the lower part of each antenna main body (2) is hinged with the lower part of the corresponding mounting plate (3) through a hinge, and the upper part of each antenna main body (2) is connected to the upper part of the corresponding mounting plate (3) through an angle adjusting structure;
the mounting plate comprises a bottom plate and a hinge shaft, a first clamping plate and a second clamping plate which are parallel to each other are arranged on the bottom plate, and one ends of the first clamping plate and the second clamping plate are connected through a limiting plate; two ends of the articulated shaft are respectively fixed on the first clamping plate and the second clamping plate;
a groove body is formed in the bottom plate, a spring (12) is fixedly connected in the groove body, a convex block (13) is connected at the free end of the spring (12), the lower part of the upright post (5) is rotatably connected with the hinge shaft, and a groove for the convex block (13) to extend into is formed in the bottom of the upright post (5);
the angle modulation structure is including adjusting pole (14), be provided with the screw hole on the mounting panel, the middle part and the screw hole screw-thread fit of adjusting pole (14), the both ends of adjusting pole (14) are stretched out respectively the screw hole, just the both ends of adjusting pole (14) all are provided with the drum, the winding has steel cable (16) on the drum, the free end of steel cable (16) and the upper portion fixed connection of antenna main part (2).
2. The novel slot waveguide panel array antenna of claim 1, wherein: annular mounting bracket (1) includes a plurality of blocks arc (7) of end to end connection in proper order, the both ends of arc (7) are provided with plug block (8) and slot (9) respectively, adjacent two the cooperation of pegging graft between arc (7).
3. The novel slot waveguide panel array antenna of claim 1, wherein: be provided with drum (17) between antenna main part (2) and mounting panel (3), the both ends of drum (17) all are connected with slide bar (19) through connecting rod (18), the both ends and mounting panel (3) sliding connection of slide bar (19).
4. The novel slot waveguide panel array antenna of claim 3, wherein: the antenna is characterized in that a plurality of rows of first tooth bodies (20) are arranged on the antenna main body (2), and second tooth bodies (21) capable of being meshed with the first tooth bodies (20) are arranged on the side wall of the cylinder (17).
5. The novel slot waveguide panel array antenna of claim 1, wherein: the steel rope (16) is a stainless steel wire rope.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202011603507.8A CN112768958B (en) | 2020-12-30 | 2020-12-30 | Novel slot waveguide panel array antenna |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202011603507.8A CN112768958B (en) | 2020-12-30 | 2020-12-30 | Novel slot waveguide panel array antenna |
Publications (2)
Publication Number | Publication Date |
---|---|
CN112768958A CN112768958A (en) | 2021-05-07 |
CN112768958B true CN112768958B (en) | 2022-08-16 |
Family
ID=75697308
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202011603507.8A Active CN112768958B (en) | 2020-12-30 | 2020-12-30 | Novel slot waveguide panel array antenna |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN112768958B (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114162973B (en) * | 2021-10-30 | 2024-05-07 | 江西师范大学 | Ecological plant planting stone for treatment and restoration of domestic sewage |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN211629286U (en) * | 2020-05-10 | 2020-10-02 | 庞天宇 | Height-adjustable rotary radio frequency antenna |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4156241A (en) * | 1977-04-01 | 1979-05-22 | Scientific-Atlanta, Inc. | Satellite tracking antenna apparatus |
JPH0775150A (en) * | 1993-06-29 | 1995-03-17 | Kyocera Corp | Radio base station |
JP3134804B2 (en) * | 1996-12-06 | 2001-02-13 | 日本電気株式会社 | Module angle adjustment mounting device for radio |
CN201655976U (en) * | 2010-03-11 | 2010-11-24 | 马骅 | Ku waveband portable folding receiving antenna for satellite television |
CN202004144U (en) * | 2011-02-14 | 2011-10-05 | 江苏华灿电讯股份有限公司 | Support with adjustable horizontal azimuth for antennas of mobile communication base station |
CN205303646U (en) * | 2015-12-15 | 2016-06-08 | 无锡华信雷达工程有限责任公司 | Stand folded doublet |
CN108832259A (en) * | 2018-06-28 | 2018-11-16 | 安徽尚高信息技术有限公司 | A kind of LTE base station pylon connector |
CN108879065B (en) * | 2018-07-03 | 2020-04-07 | 鼎熙国讯科技有限公司 | Wireless communication base station and automatic adjustment construction method thereof |
CN209691954U (en) * | 2019-01-30 | 2019-11-26 | 江苏肯立科技股份有限公司 | A kind of novel microwave antenna convenient for adjusting |
CN209183712U (en) * | 2019-02-22 | 2019-07-30 | 中电科微波通信(上海)股份有限公司 | A kind of fixed bracket of slotted waveguide antenna |
CN210723374U (en) * | 2019-09-27 | 2020-06-09 | 成都瀚德科技有限公司 | Folding antenna source array |
CN210778939U (en) * | 2019-10-28 | 2020-06-16 | 李国领 | Electronic communication antenna support |
CN211088489U (en) * | 2020-03-09 | 2020-07-24 | 天津广奕联通科技有限公司 | Communication antenna convenient to installation |
CN211208655U (en) * | 2020-03-12 | 2020-08-07 | 深圳市睿达永利科技有限公司 | High-broadband GSM dual-polarized panel antenna |
-
2020
- 2020-12-30 CN CN202011603507.8A patent/CN112768958B/en active Active
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN211629286U (en) * | 2020-05-10 | 2020-10-02 | 庞天宇 | Height-adjustable rotary radio frequency antenna |
Also Published As
Publication number | Publication date |
---|---|
CN112768958A (en) | 2021-05-07 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN203055930U (en) | Photovoltaic support system used in assemblies with multiple specifications and satisfying requirements for optimum inclination angles | |
CN112768958B (en) | Novel slot waveguide panel array antenna | |
CN207116670U (en) | A kind of antenna for base station support | |
CN109546287B (en) | 5G single-pivot antenna support | |
CN201605849U (en) | Integral base station | |
CN205897599U (en) | Slot type solar rack based on gravity principle | |
CN110572112A (en) | Assembled photovoltaic support and mounting method thereof | |
CN204675785U (en) | A kind of adjustable platform | |
CN211647444U (en) | Steel structure assembling supporting jig frame capable of adjusting elevation | |
CN210737776U (en) | Steel pipe bundle installation adjusting and positioning device | |
CN104499760B (en) | Ready-package many ribs type base station towers | |
CN208174611U (en) | A kind of PHC tubular pole adjustable photovoltaic support | |
CN215528191U (en) | Lightning protection grounding device for building engineering | |
CN207776547U (en) | A kind of round platform | |
CN218205220U (en) | Fabricated building truss for building construction | |
CN220667183U (en) | Railing with combined component | |
CN111254963B (en) | Building foundation is with prefabricated assembled steel reinforcement cage structure | |
CN221167452U (en) | Bridge bent cap movable support filler stone safety protection platform | |
CN221669794U (en) | Battery plate fixing support for photovoltaic power generation | |
CN217950251U (en) | Plug-and-play type single-post insulator climbing auxiliary device | |
CN216553132U (en) | Foundation bolt fixture for solar cell panel support stub foundation construction | |
CN218509172U (en) | Electric power tower convenient to personnel install fast | |
CN221313095U (en) | Positioning welding device for assembled wallboard | |
CN214101257U (en) | Install photovoltaic support on big-arch shelter structure | |
CN211285381U (en) | Height limiting device |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
GR01 | Patent grant | ||
GR01 | Patent grant |