CN112820220A - Be suitable for building site with prefabricated pin-connected panel individual character combination advertisement device - Google Patents

Be suitable for building site with prefabricated pin-connected panel individual character combination advertisement device Download PDF

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Publication number
CN112820220A
CN112820220A CN202110228316.6A CN202110228316A CN112820220A CN 112820220 A CN112820220 A CN 112820220A CN 202110228316 A CN202110228316 A CN 202110228316A CN 112820220 A CN112820220 A CN 112820220A
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China
Prior art keywords
advertisement
fixedly arranged
frame
rod
prefabricated
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CN202110228316.6A
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CN112820220B (en
Inventor
张建达
郑明�
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China Railway Construction Engineering Group Co Ltd
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China Railway Construction Engineering Group Co Ltd
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    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09FDISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F15/00Boards, hoardings, pillars, or like structures for notices, placards, posters, or the like
    • G09F15/0006Boards, hoardings, pillars, or like structures for notices, placards, posters, or the like planar structures comprising one or more panels
    • G09F15/0012Boards, hoardings, pillars, or like structures for notices, placards, posters, or the like planar structures comprising one or more panels frames therefor
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04HBUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
    • E04H17/00Fencing, e.g. fences, enclosures, corrals
    • E04H17/14Fences constructed of rigid elements, e.g. with additional wire fillings or with posts
    • E04H17/16Fences constructed of rigid elements, e.g. with additional wire fillings or with posts using prefabricated panel-like elements, e.g. wired frames
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09FDISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F15/00Boards, hoardings, pillars, or like structures for notices, placards, posters, or the like
    • G09F15/0006Boards, hoardings, pillars, or like structures for notices, placards, posters, or the like planar structures comprising one or more panels
    • G09F15/0018Boards, hoardings, pillars, or like structures for notices, placards, posters, or the like planar structures comprising one or more panels panel clamping or fastening means
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09FDISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F15/00Boards, hoardings, pillars, or like structures for notices, placards, posters, or the like
    • G09F15/0068Modular articulated structures, e.g. stands, and articulation means therefor
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09FDISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F15/00Boards, hoardings, pillars, or like structures for notices, placards, posters, or the like
    • G09F15/02Bills, posters, or the like therefor

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Foundations (AREA)
  • Joining Of Building Structures In Genera (AREA)

Abstract

The invention relates to a prefabricated and assembled single character combined advertisement device suitable for construction sites. With the prefab scene assembly, the single word combination, the eminence sets up to the whole establishment of enclosing of characteristic around the building site, both be convenient for striking propaganda enterprise culture, improve the famous degree of enterprise, avoid disturbing the site operation again, ensure production safety, still consider that the environment of job site is clean and tidy and the repeated turnover use, simple structure and standard reasonable, it is convenient that processing preparation and scene installation/dismantlement are convenient, work safe and reliable and the appearance is pleasing to the eye, it is not high and can repeated turnover use to set up the input cost, help reducing use cost, ensure that capital construction building site environment is clean and tidy, promote the civilized construction overall image of enterprise, be an ideal advertising device who is particularly suitable for the construction field use.

Description

Be suitable for building site with prefabricated pin-connected panel individual character combination advertisement device
Technical Field
The invention relates to the technical field of auxiliary facilities for building construction, in particular to a prefabricated assembled single-character combined advertisement device which is convenient to surround a building site and is beneficial to striking and disclosing culture of construction enterprises and repeated turnover.
Background
For the construction enterprises, the construction enterprises are provided with important tasks for propaganda of enterprise culture besides completing construction tasks according to design requirements in construction sites, and the construction method is particularly important for regular construction enterprises with large occupied area and long construction period. At present, for a construction site where a building main body is not formed, because a banner type public facility is not hung or pulled at a high position, generally, one or a plurality of independent advertising boards can only be randomly arranged at the periphery of the construction site for dealing with the situation, besides the unobtrusive announcement content and the poor propaganda effect, the defects of poor integral sense and damage to the city and the civilization management image of an enterprise exist, and in addition, because the randomly arranged independent advertising boards are easily blown down or damaged by wind, the workload of site management is increased besides the influence on the environment of the construction site, and the disadvantages of engineering projects are caused. Therefore, the conventional method for randomly setting the advertising facilities on the construction site generally has the defects of original and lagged setting method, lack of standardization of facilities, poor advertising effect, higher daily management cost, larger influence on the city appearance and the enterprise image and the like, and cannot meet the use requirements of high-efficiency, high-quality and low-cost civilized construction and safety and environmental protection in the current high-tech era, so that the method becomes a major difficulty which puzzles the industry and needs to be solved urgently.
Disclosure of Invention
The invention aims to overcome the defects in the aspect of arranging advertising and publicizing facilities on a construction site at present, and provides a prefabricated assembled single-character combined advertising device suitable for the construction site, which has the advantages of relatively simple and standard structure, convenience in processing and manufacturing, convenience in field installation, attractive appearance, strong stability, low setting investment cost and high utilization rate, is favorable for ensuring the cleanness of the construction site ground and improving the overall image of civilized construction of enterprises.
The invention relates to a prefabricated assembled single character combined advertisement device suitable for construction sites, which is characterized in that a main body comprises a plurality of single advertisement brackets, a plurality of seat piles, a plurality of interconnecting strips among brackets, a base, a plurality of fastening bolts and foundation bolts, wherein:
the single-body type advertisement bracket main body is an independent prefabricated part made of steel materials and mainly comprises a main vertical frame, two left and right inclined supporting rods and four bottom foot plates;
the main vertical frame body is in a flat frame shape and is made of a square tube and mainly comprises a left vertical rod, a right vertical rod, a top cross rod fixedly arranged between the top ends of the left vertical rod and the right vertical rod, a lower cross rod fixedly arranged between the left vertical rod and the right vertical rod and close to a middle rod body, an advertisement window frame formed by mutually enclosing the left vertical rod, the right vertical rod, the top cross rod and the lower cross rod, a middle stay bar fixedly arranged in the advertisement window frame and a single character advertisement sheet fixedly arranged on the frame surface of the advertisement window frame;
a bolt assembling hole A is fixedly arranged on the middle upper rod body of the left and right upright rods;
the middle stay bar is made of a square tube, and a cross bar, a vertical bar or an inclined bar which is fixedly arranged on the inner side surfaces of the left and right vertical bars, the top cross bar and the lower cross bar of the advertising window frame or between the inner top corners of the advertising window frame is used as a guide;
the left and right inclined stay bars are made of square tubes, the upper ends of the left and right inclined stay bars are fixedly arranged on the middle rod body of the left and right vertical rods, the lower ends of the left and right inclined stay bars are flatly arranged with the bottom ends of the left and right vertical rods, the main body is fixedly arranged on one side surface of the main vertical frame in an inclined manner, and the main vertical frame is supported in an upright state;
the bottom foot plate is made of steel plates and is fixedly welded on the bottom ends of the left and right vertical rods and the top surfaces of the lower ends of the left and right inclined supporting rods respectively, and at least 4 limiting assembling holes A are fixedly arranged on the peripheral plate surface of the bottom foot plate;
the seat pile is made of reinforced cement and is in a square shape, the main body of the seat pile comprises an internal reinforcement cage, the seat pile is fixedly welded with the internal reinforcement cage, at least 4 limiting assembly holes B which correspond to the limiting assembly holes A and are matched with the limiting assembly holes A in assembly are fixedly arranged on the periphery of the seat pile, and at least 4 assembly interconnection steel plates of foot thread sleeves which correspond to the arrangement positions of the limiting assembly holes B are fixedly welded on the back of the seat pile;
the inter-frame interconnecting strip is made of square tubes or steel plate strips, and bolt assembling holes B corresponding to the bolt assembling holes A are fixedly arranged at the left and right near end parts of the inter-frame interconnecting strip;
the base main body is in a flat and long strip shape and is made of reinforced concrete, and a plurality of seat pile limiting holes are fixedly arranged on the base main body at intervals in sequence as required;
in addition, the single character advertisement sheet is made of a thin steel plate or a color steel plate on which single characters or striking patterns are sprayed according to needs, and is integrally covered and fixedly arranged on the front/rear frame surface of the advertisement window frame; the middle support rod is a cross support rod formed by a cross support rod with the end part fixedly welded between the inner side surfaces of the left and right vertical rods and a vertical rod with the end part fixedly welded between the inner side surfaces of the top cross rod and the lower cross rod, or a cross support rod formed by inclined rods with the top ends fixedly welded between corresponding inner vertex angles of the advertising window frame, or a cross support rod formed by combining the cross support rod and the cross support rod; the main vertical frame is preferably made of a 50mm square tube, the total height of the main vertical frame can be set as required, preferably more than 4 meters, and the width of the main vertical frame can be set as required, preferably more than 2 meters; the left diagonal brace and the right diagonal brace are preferably made of square tubes of 50 mm;
when in field installation, firstly, excavating corresponding seat pile pre-buried pits on an installation foundation of a leveling set advertising device according to the setting positions of respective base plates on a single advertising support and the rated spacing requirement between supports; then, correspondingly putting the prefabricated seat pile reinforcement cages fixedly welded with the upper threaded sleeve assembly interconnection steel plates with the bottom feet into the pit, pouring concrete for filling the pit under the limitation of the uniform elevation of each assembly interconnection steel plate, and then integrally pouring reinforced concrete on the installation foundation of the set advertising device to form a base fixedly provided with the seat piles in a plurality of seat pile limiting holes; then, anchor bolts are respectively inserted into the limiting assembly holes A and the limiting assembly holes B and are tightly screwed into the footing screw sleeves, corresponding single advertisement supports distributed according to the word sequence are fixedly arranged on the base, and finally, the two ends of the inter-frame interconnecting strips are respectively fixedly arranged between the adjacent left and right upright rods of each single advertisement support by the fastening bolts, so that the attractive and practical single-word combined advertisement device which is reliably supported and fixed in a limiting way by a seat pile at the lower part, is mutually pulled by the inter-frame interconnecting strips, is reliably and stably vertically and fixedly arranged on the base, has strong anti-interference performance and striking advertisement content and can be widely surrounded and fixedly arranged on the periphery of a building site is formed; when the engineering is finished and the single advertisement bracket is disassembled, the single advertisement bracket which is convenient to collect or transfer to another place for re-installation and use can be quickly disassembled only by screwing out the foundation bolt at the lower part and the fastening bolt at the upper part.
Based on the above conception, the invention is suitable for the prefabricated assembled single character combined advertisement device for the construction site, and is characterized by single character combination, high-place arrangement, integral and stable surrounding around the construction site, convenient and fast installation and disassembly and turnover use on the site, based on the characteristics of the construction site, the invention reasonably designs the novel advertisement device which is convenient for propagating enterprise culture as required, improving the popularity of enterprises, avoiding interference with site construction and ensuring safe production, also gives consideration to the clean environment of the construction site, is beneficial to improving the integral image of the civilized construction of the enterprises and meeting the environmental protection requirements, is particularly suitable for the construction site, effectively solves the defects of poor applicability and safety of the traditional integral advertisement board when the propaganda of longer characters is needed in the construction site, and obviously has the advantages of simple and standard reasonable structure, convenient processing and manufacture, convenient and fast installation/disassembly on the site, The advertising device has the advantages of safe and reliable work, attractive appearance, low setting investment cost, repeated turnover use, contribution to ensuring the clean environment of a capital construction site, improvement of the overall image of the civilized construction of enterprises and the like, and is particularly suitable for being used on a construction site.
Drawings
FIG. 1 is a schematic diagram of the general structure of an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of a one-piece advertising stand in an embodiment of the present invention;
FIG. 3 is a schematic view of the overall structure of the base with the seat post fixed thereon according to the embodiment of the present invention;
fig. 4 is a schematic view of the surface structure of the base and the seat post according to the embodiment of the present invention.
In the figure:
1. single advertisement support 11, main stand 111, left and right upright posts 112, top cross bar
113. Lower cross bar 114, advertisement window frame 115, middle support bar 116, single character advertisement sheet
117. Bolt assembly hole A12, left and right inclined stay bars 13, footing plate 131 and limiting assembly hole A
2. Seat pile 21, limiting assembly hole B22, footing thread sleeve 23, assembly interconnection steel plate
3. Inter-frame interconnecting bar 31, bolt mounting hole B4, base 41, seat pile limiting hole
5. Fastening bolt 6. foundation bolt
Detailed Description
The invention will be further described with reference to the figures and the exemplary embodiments.
In fig. 1, 2, 3 and 4, the prefabricated assembled single character combined advertisement device for construction sites of the present invention is characterized in that a main body includes a plurality of one-body advertisement holders 1, a plurality of seatpost 2, a plurality of inter-holder interconnecting bars 3, a base 4, and a plurality of fastening bolts 5 and anchor bolts 6, wherein:
the main body of the single-body type advertisement bracket 1 is an independent prefabricated part made of steel materials and mainly comprises a main vertical frame 11, two left and right inclined supporting rods 12 and four bottom foot plates 13;
the main body of the main vertical frame 11 is a flat frame, is made of square tubes, and mainly comprises left and right vertical rods 111, a top cross rod 112 fixedly arranged between the top ends of the left and right vertical rods 111, a lower cross rod 113 fixedly arranged between the left and right vertical rods 111 and the middle rod body, an advertisement window frame 114 formed by mutually enclosing the left and right vertical rods 111, the top cross rod 112 and the lower cross rod 113, a middle stay bar 115 fixedly arranged in the advertisement window frame 114, and a single character advertisement sheet 116 fixedly arranged on the frame surface of the advertisement window frame 114;
a bolt assembling hole A117 is fixedly arranged on the middle upper rod body of the left upright rod 111 and the right upright rod 111;
the middle stay bar 115 is made of a square tube, and a cross bar, a vertical bar or an inclined bar which is fixedly arranged on the inner side surfaces of the left and right upright bars 111, the top cross bar 112 and the lower cross bar 113 of the advertising window frame 114 or between the inner top corners is used as a support;
the left and right diagonal braces 12 are made of square tubes, the upper ends of the left and right diagonal braces are fixedly arranged on the middle rod body of the left and right upright stanchions 111, the lower ends of the left and right diagonal braces are flatly arranged with the bottom ends of the left and right upright stanchions 111, the main body is fixedly arranged on one side surface of the main upright stanchion 11 in an inclined manner, and the main upright stanchion 11 has the function of supporting the main upright stanchion 11 in an upright state;
the base plate 13 is made of steel plate, and is respectively fixedly welded on the bottom ends of the left and right upright stanchions 111 and the top surface of the lower end of the left and right diagonal brace 12, and at least 4 limiting assembly holes a 131 are fixedly arranged on the peripheral plate surface of the base plate as required;
the seat pile 2 is made of reinforced cement and is in a square shape, the main body comprises an internal reinforcement cage, the internal reinforcement cage is fixedly welded with the internal reinforcement cage, at least 4 limiting assembly holes B21 which correspond to the limiting assembly holes A131 in assembly are fixedly arranged on the periphery of the internal reinforcement cage, and at least 4 assembly interconnection steel plates 23 of footing thread sleeves 22 corresponding to the positions of the limiting assembly holes B21 are fixedly welded on the back surface of the internal reinforcement cage;
the inter-frame interconnecting strip 3 is made of square tubes or steel plate strips, and bolt assembling holes B31 corresponding to the bolt assembling holes A117 are fixedly arranged at the left and right near end parts of the inter-frame interconnecting strip;
the main body of the base 4 is in a flat and long strip shape, the main body is made of reinforced concrete, and a plurality of seat pile limiting holes 41 are fixedly arranged on the main body at intervals according to requirements.
In addition, the individual character advertisement sheet 116 is made of a thin steel plate or a color steel plate on which individual characters or striking patterns are sprayed as required, and is integrally covered and fixed on the front/rear frame surface of the advertisement window frame 114; the middle support rod 115 is a cross support rod formed by a cross support rod with the end part fixedly welded between the inner side surfaces of the left and right vertical rods 111 and a vertical rod with the end part fixedly welded between the inner side surfaces of the top cross rod 112 and the lower cross rod 113, or a cross support rod formed by diagonal rods with the top ends fixedly welded between corresponding inner vertex angles of the advertising window frame 114, or a cross support rod formed by combining the cross support rod and the cross support rod; the main vertical frame 11 is preferably made of a 50mm square tube, the total height of the main vertical frame can be set as required, preferably more than 4 meters, and the width of the main vertical frame can be set as required, preferably more than 2 meters; the left and right inclined stay bars 12 are preferably made of 50mm square tubes.
When in field installation, firstly, excavating corresponding seat pile embedded pits on an installation foundation of a leveling set advertising device according to the setting positions of respective base plates 13 on the single advertising support 1 and the rated spacing requirement between the supports; then, correspondingly putting each prefabricated seat pile reinforcement cage fixedly welded with the assembly interconnection steel plates 23 with the threaded sleeves 22 with the bottom feet into the pit, pouring concrete for filling the pit under the limitation of the uniform elevation of each assembly interconnection steel plate 23, and then integrally pouring the reinforced concrete on the installation foundation of the set advertising device to form a base 4 fixedly provided with the seat piles 2 in a plurality of seat pile limiting holes 41; then, the foundation bolts 6 are respectively inserted into the limiting assembly holes A131 and the limiting assembly holes B21 and are tightly screwed into the footing thread sleeves 22, the corresponding single advertisement supports 1 distributed according to the word sequence are fixedly arranged on the base 4, and finally, the fastening bolts 5 are respectively used for fixedly arranging the two ends of the inter-frame interconnecting strips 3 between the adjacent left and right upright rods 111 of each single advertisement support 1 to form a firm and durable single-character combined advertisement device which is provided with a lower seat pile 2 for reliable supporting and limiting fixing and provided with the inter-frame interconnecting strips 3 for mutual traction, is reliably and stably vertically and fixedly arranged on the base 4, has strong anti-interference performance and striking advertisement content and can be widely surrounded and fixedly arranged around a construction site; when the engineering is finished and the single advertisement bracket 1 is disassembled, the single advertisement bracket 1 which is convenient to store or change to another place for re-installation and use can be quickly disassembled only by screwing out the foundation bolt 6 at the lower part and the fastening bolt 5 at the upper part.

Claims (7)

1. The utility model provides a be suitable for building site with prefabricated pin-connected panel individual character combination advertisement device which characterized in that main part includes a plurality of monomer formula advertisement supports (1), a plurality of seatpost (2), a plurality of intercolumniation interconnecting strip (3), base (4) and a plurality of fastening bolt (5) and rag bolt (6), wherein:
the main body of the single-body type advertisement bracket (1) is an independent prefabricated part made of steel materials and mainly comprises a main vertical frame (11), two left and right inclined supporting rods (12) and four bottom foot plates (13);
the main body of the main vertical frame (11) is in a flat frame shape, is made of a square tube and mainly comprises a left upright post, a right upright post (111), a top cross rod (112) fixedly arranged between the top ends of the left upright post and the right upright post (111), a lower cross rod (113) fixedly arranged between the left upright post and the right upright post (111) and close to a middle rod body, an advertisement window frame (114) formed by mutually enclosing the left upright post, the right upright post (111), the top cross rod (112) and the lower cross rod (113), a middle support rod (115) fixedly arranged in the advertisement window frame (114) and a single character advertisement sheet (116) fixedly arranged on the frame surface of the advertisement window frame (114);
a bolt assembling hole A (117) is fixedly arranged on the middle upper rod body of the left upright rod (111) and the right upright rod (111);
the middle stay bar (115) is made of a square tube, and a cross bar, a vertical bar or an inclined bar which is fixedly arranged on the inner side surfaces of the left vertical bar (111), the right vertical bar (111), the top cross bar (112) and the lower cross bar (113) of the advertising window frame (114) or between the inner top corners is used as a support;
the left and right inclined supporting rods (12) are made of square tubes, the upper ends of the left and right inclined supporting rods are fixedly arranged on the middle rod body of the left and right vertical rods (111), the lower ends of the left and right inclined supporting rods are flatly supported with the bottom ends of the left and right vertical rods (111), the main body is obliquely and fixedly arranged on one side surface of the main vertical frame (11), and the main vertical frame (11) is supported in an upright state;
the bottom foot plate (13) is made of steel plates and is fixedly welded on the bottom ends of the left and right upright posts (111) and the top surfaces of the lower ends of the left and right inclined supporting rods (12), and at least 4 limiting assembly holes A (131) are fixedly arranged on the peripheral plate surface of the bottom foot plate as required;
the seat pile (2) is made of reinforced cement and is in a square shape, the main body of the seat pile comprises an internal reinforcement cage, the seat pile is fixedly welded with the internal reinforcement cage, at least 4 limiting assembly holes B (21) matched with the limiting assembly holes A (131) in a corresponding assembly mode are fixedly arranged on the periphery of the seat pile, and at least 4 assembly interconnection steel plates (23) of footing thread sleeves (22) corresponding to the limiting assembly holes B (21) in position are fixedly welded on the back of the seat pile;
the inter-frame interconnecting bar (3) is made of square tubes or steel plate bars, and bolt assembling holes B (31) corresponding to the bolt assembling holes A (117) are fixedly arranged at the left and right near end parts of the inter-frame interconnecting bar;
the main body of the base (4) is in a flat and long strip shape, is made of reinforced concrete, and is fixedly provided with a plurality of seat pile limiting holes (41) at intervals in sequence as required;
when in field installation, firstly, excavating corresponding seat pile pre-buried pits on an installation foundation of a leveling set advertising device according to the setting positions of respective base plates (13) on a single advertising support (1) and the rated spacing requirements between supports; then, correspondingly putting prefabricated seat pile reinforcement cages fixedly welded with assembly interconnection steel plates (23) with upper threaded sleeves (22) with bottom feet into the pit, pouring concrete for filling the pit under the condition of uniform elevation limit of the assembly interconnection steel plates (23), and then integrally pouring the reinforced concrete on the installation foundation of the set advertising device to form a base (4) fixedly provided with the seat piles (2) in a plurality of seat pile limit holes (41); then, anchor bolts (6) are respectively inserted into the limiting assembly holes A (131) and the limiting assembly holes B (21) and are tightly screwed into the footing thread sleeves (22), corresponding single advertisement supports (1) distributed according to the word sequence are fixedly arranged on a base (4), and finally, two ends of the inter-frame interconnecting strips (3) are respectively fixedly arranged between adjacent left and right upright rods (111) of each single advertisement support (1) by using fastening bolts (5) to form a firm support and limiting fixation of the lower seat piles (2), and the inter-frame interconnecting strips (3) are mutually pulled, reliably and stably vertically and fixedly arranged on the base (4), so that the attractive and practical single-word combined advertisement device is firm, durable, strong in anti-interference performance, striking in advertisement content and can be surrounded and fixedly arranged around a construction site in a large range; when the engineering is finished and the single advertisement bracket (1) is disassembled, the single advertisement bracket can be quickly disassembled and conveniently collected or re-assembled for use in a transition field according to requirements only by screwing out the foundation bolt (6) at the lower part and the fastening bolt (5) at the upper part.
2. The prefabricated single-character combined advertisement device suitable for construction sites as claimed in claim 1, wherein the single-character advertisement sheet (116) is made of a thin steel plate or a color steel plate on which single characters or distinctive patterns are sprayed as required, and is integrally covered and fixed on the front/rear frame surfaces of the advertisement window frame (114).
3. The prefabricated single word combination advertising device as claimed in claim 1, wherein the middle brace (115) is a cross brace having a cross brace formed by a cross bar having an end fixedly welded to the inner sides of the left and right vertical rods (111) and a vertical bar having an end fixedly welded to the inner sides of the top cross bar (112) and the lower cross bar (113).
4. The prefabricated single word combination advertising device for construction sites as claimed in claim 1, wherein the middle supporting rod (115) is a cross type supporting rod formed by diagonal rods whose top ends are fixedly welded between corresponding inner top corners of the advertising window frame (114).
5. The prefabricated single word combination advertising device suitable for construction sites as claimed in claim 1, 3 or 4, wherein the middle supporting rod (115) is a cross-shaped supporting rod and a cross-shaped supporting rod.
6. The prefabricated single character combined advertisement device for construction sites as claimed in claim 1, wherein the main vertical frame (11) is preferably made of 50mm square tubes, and the total height thereof can be set as desired, preferably more than 4 m, and the width thereof can be set as desired, preferably more than 2 m.
7. The prefabricated single word combined advertisement device for construction sites as claimed in claim 1, wherein the left and right diagonal braces (12) are preferably made of 50mm square tubes.
CN202110228316.6A 2021-03-02 2021-03-02 Prefabricated assembled single character combined advertisement device suitable for construction site Active CN112820220B (en)

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