CN112116866A - L-shaped clamp steel pipe signboard expansion bracket - Google Patents
L-shaped clamp steel pipe signboard expansion bracket Download PDFInfo
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- CN112116866A CN112116866A CN202010919467.1A CN202010919467A CN112116866A CN 112116866 A CN112116866 A CN 112116866A CN 202010919467 A CN202010919467 A CN 202010919467A CN 112116866 A CN112116866 A CN 112116866A
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 34
- 239000010959 steel Substances 0.000 title claims abstract description 34
- 238000003466 welding Methods 0.000 claims abstract description 11
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 62
- 229910052742 iron Inorganic materials 0.000 claims description 31
- 238000005452 bending Methods 0.000 claims description 13
- 238000000576 coating method Methods 0.000 claims description 11
- 239000011248 coating agent Substances 0.000 claims description 10
- 238000005260 corrosion Methods 0.000 claims description 4
- 238000009434 installation Methods 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 3
- 238000011900 installation process Methods 0.000 abstract description 2
- 241000282326 Felis catus Species 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000819 phase cycle Methods 0.000 description 2
- 241000282338 Mustela putorius Species 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000008034 disappearance Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Classifications
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F7/00—Signs, name or number plates, letters, numerals, or symbols; Panels or boards
- G09F7/18—Means for attaching signs, plates, panels, or boards to a supporting structure
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F7/00—Signs, name or number plates, letters, numerals, or symbols; Panels or boards
- G09F7/18—Means for attaching signs, plates, panels, or boards to a supporting structure
- G09F7/20—Means for attaching signs, plates, panels, or boards to a supporting structure for adjustably mounting
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F7/00—Signs, name or number plates, letters, numerals, or symbols; Panels or boards
- G09F7/18—Means for attaching signs, plates, panels, or boards to a supporting structure
- G09F2007/1847—Brackets to grip the sign board
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Road Signs Or Road Markings (AREA)
Abstract
The invention discloses an L-shaped clamp steel pipe signboard telescopic frame, and belongs to the technical field of signboard mounting devices of electric power systems. Including first L type mounting bracket, second L type mounting bracket is installed in cross structure, cross structure includes a style of calligraphy horizontal stand that one end and second L type mounting bracket installed mutually, a style of calligraphy horizontal stand other end sets up to the slot-in type structure, the interpolation of slot-in type structure is equipped with horizontal extension plate, the position department welding that is close to the slot-in type structure on the style of calligraphy horizontal stand has the vertical support body mutually perpendicular with a style of calligraphy horizontal stand, the upper and lower both ends of vertical support body all set up to the slot-in type structure, the interpolation of slot-in type structure is equipped with vertical extension plate, first L type mounting bracket, second L type mounting bracket, a style of calligraphy horizontal stand, vertical support body, horizontal extension plate, the bolt mounting hole has all been seted up on the vertical extension plate. The invention can be universally used for installing the signboard with various sizes, and has quick installation process and good installation effect.
Description
Technical Field
The invention discloses an L-shaped clamp steel pipe signboard telescopic frame, and belongs to the technical field of signboard mounting devices of electric power systems.
Background
Each base of the power line is provided with a striking mark (line name, voltage level, pole tower number, warning slogan, phase sequence and the like) during pole tower transportation.
In recent years, the steel pipe pole has wide application due to the obvious advantages of high strength, small occupied area, capability of being erected on the same pole and saving a line corridor, and the like, and occupies more than 4 percent of line poles. But because of structural style is diversified, do not have unified signboard mounted position, no matter the signboard is installed in earlier stage or the later stage is changed and all receives the influence, brings the puzzlement for power line fortune dimension work, can not satisfy the requirement of the lean management of power line equipment.
The circular hoop support is generally installed on the cat ladder tubular column for the present steel pipe pole signboard, but the cat ladder type does not have unified standard, the kind is too many, the tubular column has the side to have the circle, there is thickness to have thin, the hoop support can not be general, the installation effect is very unsatisfactory, there is the potential safety hazard, change sporadically, the stock does not have suitable installing support when replenishing the disappearance signboard, often with the iron wire ligature on the steel pipe pole cat ladder, this kind of method signboard hangs insecure, it is pleasing to the eye, lose easily, thereby influence fortune dimension, the maintainer is to the correct judgement of shaft tower, lead to the mistake to step on the shaft tower.
At present, the voltage grades are generally divided into 35KV-110KV, 220KV-330KV, 750KV and 880KV-1000KV, wherein the specification of a 35KV-110KV line rod number plate is as follows: the length is 400mm, and the width is 320 mm; specification of 220KV-330KV line pole number plate: length 50mm, width 400mm, 750KV line pole number plate specification: the length is 600mm, the width is 480mm, and the specifications of 800KV-1000KV line pole number plate are as follows: the length is 480mm, the width is 300mm, the line voltage grades are different, the sizes of the signboard are also different, the types of the signboard are different, the voltage grades are different, the size of the marking disc is also different, the minimum size is 200mm x 200mm, the maximum size is 770mm x 570mm, the marking disc mounting bracket which is generally used for mounting the signboard with different sizes is not appeared on the market at present, and the marking disc mounting bracket is not beneficial to daily emergency and spare part management.
Therefore, an L-shaped clamp steel pipe signboard expansion bracket capable of solving the technical problems is urgently needed.
Disclosure of Invention
The invention aims to solve the defects in the prior art, and provides the L-shaped clamp steel pipe signboard telescopic frame which can be universally used for installing signboards with various sizes, and is quick in installation process and good in installation effect.
The utility model provides a L type anchor clamps steel pipe signboard expansion bracket, its special character lies in including first L type mounting bracket 1, second L type mounting bracket 2, two L type mounting bracket structures are the same and arrange from top to bottom, second L type mounting bracket 2 is installed in cross structure, cross structure includes a style of calligraphy horizontal stand 3 that one end and second L type mounting bracket 2 were installed mutually, a style of calligraphy horizontal stand 3 other end sets up to slot-in structure 11, the horizontal extension plate 5 is equipped with in the slot-in structure 11 interpolation, the welding of the position department that is close to slot-in structure 11 on a style of calligraphy horizontal stand 3 has vertical support body 4 mutually perpendicular with a style of calligraphy horizontal stand 3, the upper and lower both ends of vertical support body 4 all set up to slot-in structure 11, vertical extension plate 6 is equipped with in the slot-in structure 11 interpolation, first L type mounting bracket 1, second L type mounting bracket 2, a style of calligraphy horizontal stand 3, vertical support body 4, horizontal extension plate 5, horizontal extension plate, The vertical extension plates 6 are all provided with bolt mounting holes;
one end of the straight horizontal frame 3 is provided with a welding bending edge 12, and the welding bending edge 12 is welded at the bending part of the second L-shaped mounting frame 2;
the first L-shaped mounting frame 1 and the second L-shaped mounting frame 2 are both formed by bending flat iron with the length of 30 cm in the middle to form an L-shaped structure, and anti-corrosion layers are coated on the surfaces of the first L-shaped mounting frame 1 and the second L-shaped mounting frame 2;
two ends of the first L-shaped mounting frame 1 and the second L-shaped mounting frame 2 are respectively provided with two first long holes 7 for mounting M16 bolts;
the linear horizontal frame 3 is made of flat iron with the length of 70 cm, an anticorrosive coating is coated on the surface of the flat iron, two second long holes 8 for mounting M16 bolts are formed in a slot-in type structure 11 of the linear horizontal frame 3, and a plurality of third long holes 9 for mounting M16 bolts are formed in the linear horizontal frame 3 between the vertical frame body 4 and the second L-shaped mounting frame 2 in the length direction;
the vertical frame body 4 is made of flat iron with the length of 32 cm, and the surface of the flat iron is coated with an anticorrosive coating;
the horizontal extension plate 5 is made of flat iron with the length of 20 cm, an anticorrosive coating is coated on the surface of the flat iron, the vertical extension plate 6 is made of flat iron with the length of 16 cm, the anticorrosive coating is coated on the surface of the flat iron, and fourth long holes 10 for mounting M16 bolts are formed in one ends of the horizontal extension plate 5 and one end of the vertical extension plate 6;
the slot type structure 11 on the linear horizontal frame 3 is the same as the slot type structure 11 on the vertical frame body 4, the length of the slot type structure 11 on the linear horizontal frame 3 is 16 cm, and the length of the slot type structure 11 on the vertical frame body 4 is 13 cm;
the first L-shaped mounting frame 1 is provided with a cross structure, and the cross structure of the first L-shaped mounting frame 1 is bilaterally symmetrical to the cross structure of the second L-shaped mounting frame 2.
The L-shaped clamp steel pipe signboard telescopic frame has the following beneficial effects:
1. the main processing materials are common flat iron and bolts, and the manufacturing processes of bending, welding, punching and the like are simple, and the cost is low.
2. The tower mounting is time-saving and labor-saving, and the mechanical stability is good after the tower mounting.
3. The steel pipe pole signboard installing support type is unified, various steel pipe poles are universal for the signboard frame, and great convenience is brought to batch manufacturing and installing of signboard frames and stock spare parts.
4. The signboard is fixed by using bolts instead of rivets, the support and the signboard can be separated, the support is reliably fixed on the steel pipe rod and can be hung for life at one time, the signboard can be replaced at any time, and the operation and maintenance cost is saved.
5. The circuit signboard is various (pole number tablet, warning sign, phase sequence tablet), and the size is different, and different voltage grade requires also not the same, and minimum to 200 is 200, can be maximum to 770 570, if need install the large-size signboard and can add extension plate (the size is suitable need not to join in marriage the extension plate), adjusts the support size through flexible function.
In conclusion, the invention adopts the L-shaped clamp to be arranged at the connecting part of the ladder stand and the steel pipe rod, is simple, practical, firm and reliable, adopts the side groove to realize the telescopic function of the bracket, can be provided with the signboard with different sizes,
the single-loop A and single-loop B two-pair bridge can be used on the single-loop steel pipe pole independently according to the situation, and can be used on the double-loop steel pipe pole in a combined manner, so that the application range is wide.
Drawings
FIG. 1 is a schematic structural view of a single-loop card frame A of an L-shaped clamp steel pipe signboard expansion bracket of the invention;
FIG. 2 is a schematic structural view of a single-loop signboard frame B of the L-shaped clamp steel pipe signboard extension bracket of the invention;
FIG. 3 is a schematic structural view of a double-loop card frame of the L-shaped clamp steel pipe signboard expansion bracket.
In the figure: 1. a first L-shaped mounting bracket; 2. A second L-shaped mounting bracket; 3. a horizontal frame in a straight shape; 4. a vertical frame body; 5. a horizontal extension plate; 6. a vertical extension plate; 7. a first long hole; 8. a second long hole; 9. a third long hole; 10. a fourth long hole; 11. a slot-in structure; 12. and welding the bent edge.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
Referring to fig. 1-2, the L-shaped clamp steel pipe signboard telescopic frame of the present embodiment includes a first L-shaped mounting frame 1 and a second L-shaped mounting frame 2, the two L-shaped mounting frames are identical in structure and are arranged vertically, the second L-shaped mounting frame 2 is installed on a cross structure, the cross structure includes a horizontal frame 3 having a left end installed on the second L-shaped mounting frame 2, a right end of the horizontal frame 3 is configured as a slot-in structure 11, a horizontal extension plate 5 is inserted in the slot-in structure 11, a vertical frame 4 perpendicular to the horizontal frame 3 is welded at a position on the horizontal frame 3 near the slot-in structure 11, upper and lower ends of the vertical frame 4 are both configured as slot-in structures 11, vertical extension plates 6 are inserted in the slot-in structures 11, the first L-shaped mounting frame 1, the second L-shaped mounting frame 2, the horizontal frame 3, The vertical frame body 4, the horizontal extension plate 5 and the vertical extension plate 6 are all provided with bolt mounting holes;
in order to facilitate the welding of the linear horizontal frame 3 and the second L-shaped mounting frame 2, a welding bending edge 12 is arranged at one end of the linear horizontal frame 3 and is welded at the bending part of the second L-shaped mounting frame 2 through the welding bending edge 12;
the first L-shaped mounting frame 1 and the second L-shaped mounting frame 2 are both formed by bending flat iron with the length of 30 cm in the middle to form an L-shaped structure, and anti-corrosion layers are coated on the surfaces of the first L-shaped mounting frame 1 and the second L-shaped mounting frame 2;
two ends of the first L-shaped mounting frame 1 and the second L-shaped mounting frame 2 are respectively provided with two first long holes 7 for mounting M16 bolts;
the I-shaped horizontal frame 3 is made of flat iron with the length of 70 cm, an anticorrosive coating is coated on the surface of the flat iron, two second long holes 8 for mounting M16 bolts are formed in a slot-in type structure 11 of the I-shaped horizontal frame 3, and a plurality of third long holes 9 for mounting M16 bolts are formed in the length direction of the I-shaped horizontal frame 3 between the vertical frame body 4 and the second L-shaped mounting frame 2;
the vertical frame body 4 is made of flat iron with the length of 32 cm, and the surface of the flat iron is coated with an anticorrosive coating;
the horizontal extension plate 5 is made of flat iron with the length of 20 cm, an anticorrosive coating is coated on the surface of the flat iron, the vertical extension plate 6 is made of flat iron with the length of 16 cm, the anticorrosive coating is coated on the surface of the flat iron, and fourth long holes 10 for mounting M16 bolts are formed in one ends of the horizontal extension plate 5 and one end of the vertical extension plate 6;
the slot-in type structure 11 on the horizontal shelf 3 of a word is the same with the slot-in type structure 11 on the vertical shelf body 4, and the slot-in type structure 11 length on the horizontal shelf 3 of a word is 16 centimetres, and the slot-in type structure 11 length on the vertical shelf body 4 is 13 centimetres.
During the use, carry angle bar or band iron from top to bottom through first L type mounting bracket 1, second L type mounting bracket 2, angle bar or band iron are used for realizing connecting being connected between cat ladder and the steel pipe pole, according to the signboard size, adjust the flexible volume of horizontal extension plate 5, perpendicular extension plate 6 in corresponding slot-in type structure 11, and after adjusting, on being fixed in the expansion bracket with the signboard through the bolt, it is very convenient.
Example 2
Referring to fig. 3, the difference between the present embodiment and embodiment 1 is that: the first L-shaped mounting frame 1 is provided with a cross structure, and the cross structure of the first L-shaped mounting frame 1 and the cross structure of the second L-shaped mounting frame 2 are bilaterally symmetrical, so that the installation of the double-loop license plate frame is realized.
The invention adopts the L-shaped clamp to be arranged at the connecting part of the ladder stand and the steel pipe rod, is simple, practical, firm and reliable, adopts the side groove to realize the telescopic function of the bracket, can be provided with signboards with different sizes,
the single-loop A and single-loop B two-pair bridge can be used on the single-loop steel pipe pole independently according to the situation, and can be used on the double-loop steel pipe pole in a combined manner, so that the application range is wide.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. An L-shaped clamp steel pipe signboard expansion bracket is characterized by comprising a first L-shaped mounting bracket and a second L-shaped mounting bracket, wherein the two L-shaped mounting brackets are identical in structure and are arranged up and down, the second L-shaped mounting bracket is arranged on a cross structure, the cross structure comprises a straight horizontal bracket, one end of the straight horizontal bracket is arranged with the second L-shaped mounting bracket, the other end of the straight horizontal bracket is arranged into a slot-inserting type structure, a horizontal extension plate is inserted into the slot-inserting type structure, a vertical bracket body perpendicular to the straight horizontal bracket is welded on the straight horizontal bracket at a position close to the slot-inserting type structure, the upper end and the lower end of the vertical bracket body are both arranged into slot-inserting type structures, the vertical extension plate is inserted into the slot-inserting type structures, the first L-shaped mounting bracket, the second L-shaped mounting bracket, bolt mounting holes are formed in the vertical support body, the horizontal extension plate and the vertical extension plate.
2. The L-shaped clamp steel pipe signboard telescopic frame as claimed in claim 1, wherein one end of the linear horizontal frame is provided with a welding bending edge, and the welding bending edge is welded at the bending part of the second L-shaped mounting frame.
3. The L-shaped clamp steel pipe signboard telescoping rack according to claim 1, wherein the first L-shaped mounting rack and the second L-shaped mounting rack are both formed by bending flat iron with the length of 30 cm in the middle to form an L-shaped structure, and the surfaces of the first L-shaped mounting rack and the second L-shaped mounting rack are coated with anticorrosive coatings.
4. The L-shaped clamp steel pipe signboard telescoping rack according to claim 2, wherein two ends of the first L-shaped mounting rack and the second L-shaped mounting rack are provided with two first long holes for mounting M16 bolts.
5. The L-shaped clamp steel pipe signboard telescoping rack according to claim 1, wherein the linear horizontal rack is made of flat iron with the length of 70 cm, the surface of the flat iron is coated with an anticorrosive coating, two second long holes for mounting M16 bolts are formed in a slot type structure of the linear horizontal rack, and a plurality of third long holes for mounting M16 bolts are formed in the linear horizontal rack between the vertical rack body and the second L-shaped mounting rack in the length direction.
6. The L-shaped clamp steel pipe signboard telescoping rack of claim 1, wherein the vertical rack body is made of a flat iron with a length of 32 cm, and the surface of the flat iron is coated with an anticorrosive coating.
7. The L-shaped clamp steel pipe signboard telescoping bracket as claimed in claim 1, wherein the horizontal extension plate is made of flat iron with a length of 20 cm, the surface of the flat iron is coated with an anti-corrosion layer, the vertical extension plate is made of flat iron with a length of 16 cm, the surface of the flat iron is coated with an anti-corrosion layer, and one end of each of the horizontal extension plate and the vertical extension plate is provided with a fourth long hole for mounting an M16 bolt.
8. The L-shaped clamp steel pipe signboard telescoping bracket as claimed in claim 1, wherein the slot-in type structure on the horizontal bracket is the same as the slot-in type structure on the vertical bracket, the length of the slot-in type structure on the horizontal bracket is 16 cm, and the length of the slot-in type structure on the vertical bracket is 13 cm.
9. The L-shaped clamp steel pipe signboard telescopic frame as claimed in claim 1, wherein the first L-shaped mounting frame is provided with a cross structure, and the cross structure of the first L-shaped mounting frame is bilaterally symmetrical to the cross structure of the second L-shaped mounting frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010919467.1A CN112116866A (en) | 2020-09-04 | 2020-09-04 | L-shaped clamp steel pipe signboard expansion bracket |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010919467.1A CN112116866A (en) | 2020-09-04 | 2020-09-04 | L-shaped clamp steel pipe signboard expansion bracket |
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| Publication Number | Publication Date |
|---|---|
| CN112116866A true CN112116866A (en) | 2020-12-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010919467.1A Pending CN112116866A (en) | 2020-09-04 | 2020-09-04 | L-shaped clamp steel pipe signboard expansion bracket |
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| CN (1) | CN112116866A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112991913A (en) * | 2021-03-05 | 2021-06-18 | 国网山东省电力公司莱州市供电公司 | Multi-loop steel pipe pole bidirectional pole number plate hoop support and pole number plate installation method |
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| KR980010959A (en) * | 1997-09-09 | 1998-04-30 | 김용수 | Guide plate hanger frame |
| CN202352244U (en) * | 2011-11-21 | 2012-07-25 | 黄石供电公司输电中心 | Steel pipe tower pole number plate fixing device |
| CN203276732U (en) * | 2013-06-03 | 2013-11-06 | 国家电网公司 | Portable mounting device for tower signboard |
| CN203746350U (en) * | 2014-01-02 | 2014-07-30 | 国网山东荣成市供电公司 | Pole board fixing frame of steel tube tower of circuits |
| CN203799586U (en) * | 2014-04-29 | 2014-08-27 | 国家电网公司 | Signboard mounting support for power transmission line steel tube tower |
| CN107649810A (en) * | 2017-09-14 | 2018-02-02 | 广船国际有限公司 | A kind of fixed code installation auxiliary mould and fixed code installation method |
| CN208236880U (en) * | 2018-04-23 | 2018-12-14 | 广东电网有限责任公司 | A kind of dedicated flexible hook of electrical identification board |
| CN208954513U (en) * | 2018-11-28 | 2019-06-07 | 安徽永冠信息技术有限公司 | A kind of fire-fighting Sign Board |
| CN209199481U (en) * | 2018-12-28 | 2019-08-02 | 徐州盛力电力设计工程有限公司 | A kind of fixed device of electric power tower mark |
| CN210896264U (en) * | 2020-01-20 | 2020-06-30 | 华能国际电力股份有限公司海门电厂 | Warning sign is inhaled to scalable centre gripping formula magnetism |
-
2020
- 2020-09-04 CN CN202010919467.1A patent/CN112116866A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR980010959A (en) * | 1997-09-09 | 1998-04-30 | 김용수 | Guide plate hanger frame |
| CN202352244U (en) * | 2011-11-21 | 2012-07-25 | 黄石供电公司输电中心 | Steel pipe tower pole number plate fixing device |
| CN203276732U (en) * | 2013-06-03 | 2013-11-06 | 国家电网公司 | Portable mounting device for tower signboard |
| CN203746350U (en) * | 2014-01-02 | 2014-07-30 | 国网山东荣成市供电公司 | Pole board fixing frame of steel tube tower of circuits |
| CN203799586U (en) * | 2014-04-29 | 2014-08-27 | 国家电网公司 | Signboard mounting support for power transmission line steel tube tower |
| CN107649810A (en) * | 2017-09-14 | 2018-02-02 | 广船国际有限公司 | A kind of fixed code installation auxiliary mould and fixed code installation method |
| CN208236880U (en) * | 2018-04-23 | 2018-12-14 | 广东电网有限责任公司 | A kind of dedicated flexible hook of electrical identification board |
| CN208954513U (en) * | 2018-11-28 | 2019-06-07 | 安徽永冠信息技术有限公司 | A kind of fire-fighting Sign Board |
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| CN210896264U (en) * | 2020-01-20 | 2020-06-30 | 华能国际电力股份有限公司海门电厂 | Warning sign is inhaled to scalable centre gripping formula magnetism |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112991913A (en) * | 2021-03-05 | 2021-06-18 | 国网山东省电力公司莱州市供电公司 | Multi-loop steel pipe pole bidirectional pole number plate hoop support and pole number plate installation method |
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Application publication date: 20201222 |
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