CN109285445B - Warning sign for building site - Google Patents
Warning sign for building site Download PDFInfo
- Publication number
- CN109285445B CN109285445B CN201811363957.7A CN201811363957A CN109285445B CN 109285445 B CN109285445 B CN 109285445B CN 201811363957 A CN201811363957 A CN 201811363957A CN 109285445 B CN109285445 B CN 109285445B
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- fixedly connected
- groove
- warning sign
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- 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
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F13/00—Illuminated signs; Luminous advertising
-
- 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 a warning board for a building site, which comprises a supporting block, a warning board and a supporting column, wherein a through groove matched with the supporting column is formed in the top of the supporting block, the bottom end of the supporting column is connected with the inner wall of the through groove in a sliding mode through a connecting block, the bottom of the warning board is fixedly connected with the top end of the supporting column, fixed grooves are formed in the supporting block and located at the tops of two sides of the through groove, a sliding plate is connected between the top and the bottom of the inner wall of each fixed groove in a sliding mode, a movable groove is formed in one side of the sliding plate, and a vertical rod is fixedly connected between the top. This warning sign for building site can realize freely conveniently adjusting the height of warning sign to satisfy the user demand of different conditions, compare with current regulative mode and have agility and economic nature, labour saving and time saving does not need more economic cost simultaneously, is convenient for drop into use in a large number, has improved this warning sign's practicality greatly.
Description
Technical Field
The invention relates to the technical field of constructional engineering, in particular to a warning board for a construction site.
Background
The warning board is a conventional emergency device on an automobile, is generally in a triangular shape in appearance, is also called as a triangular warning board, and is a passive reflector made of a plastic reflective material according to the requirements of road traffic safety law.
The high majority of warning sign on current building site all is fixed, can't conveniently adjust according to specific user demand, and the base that current warning sign used simultaneously is mostly cylinder or square, can't fold, causes transportation and transport all inconvenient, and at the uneven level of ground, the stability of depositing is relatively poor, and the functional singleness of warning sign, greatly reduced its practicality.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a warning board for a construction site, which solves the problems that the height of the warning board is inconvenient to freely adjust and the function of the existing warning board is single.
(II) technical scheme
In order to achieve the purpose, the invention is realized by the following technical scheme: a warning board for construction sites comprises a supporting block, a warning board and a supporting column, wherein a through groove matched with the supporting column is formed in the top of the supporting block, the bottom end of the supporting column is connected with the inner wall of the through groove in a sliding mode through a connecting block, the bottom of the warning board is fixedly connected with the top end of the supporting column, fixed grooves are formed in the supporting block and located at the tops of two sides of the through groove, a sliding plate is connected between the top and the bottom of the inner wall of each fixed groove in a sliding mode, a movable groove is formed in one side of the sliding plate, a vertical rod is fixedly connected between the top and the bottom of the inner wall of each movable groove, sliding blocks are connected with the top and the bottom of the surface of each vertical rod in a sliding mode, a buffer spring is sleeved on the surface of each vertical rod and located between the opposite sides of, the connecting rod extends to the outside one end of activity groove and passes through the connecting block to be connected with the inner wall rotation of fixed slot, one side fixedly connected with mounting panel of fixed slot inner wall, and the top and the bottom of mounting panel all rotate and be connected with the telescopic link, the surface of telescopic link just is located fixedly connected with expanding spring between one side that connecting rod and mounting panel are relative.
Preferably, one side of the sliding plate is fixedly connected with a guide rod, one end of the guide rod sequentially penetrates through the fixing groove and the supporting block and extends to the outside of the supporting block, the guide rod extends to one end of the fixing groove, the other end of the sliding plate is fixedly connected with a clamping block, one side, away from the sliding plate, of the clamping block sequentially penetrates through the fixing groove, the through groove and the supporting column and extends to the inside of the supporting column, clamping grooves matched with the clamping block are formed in two sides of the surface of the supporting column, and a cushion pad is fixedly connected to the bottom of the inner wall of the through groove.
Preferably, the bottoms of the two sides of the supporting block are rotatably connected with movable rods through connecting blocks, one ends of the movable rods are rotatably connected with inclined rods through the connecting blocks, and one ends of the inclined rods are rotatably connected with mounting blocks through the connecting blocks.
Preferably, a threaded hole is formed in one side of the top of the mounting block, and a screw is connected to the inner thread of the threaded hole in a threaded manner.
Preferably, the top and the bottom of the two sides of the mounting block are fixedly connected with first elastic bandages, and the back of the top and the bottom of the two sides of the mounting block and positioned on the first elastic bandages are fixedly connected with second elastic bandages.
Preferably, the back of the first elastic bandage is fixedly connected with a hook-and-loop fastener surface, and the back of the second elastic bandage is fixedly connected with a loop-and-loop fastener surface.
Preferably, a supporting plate is fixedly connected between the opposite sides of the two supporting blocks, and a rectangular box is fixedly connected to the top of one side of the supporting plate.
Preferably, the top of the back of the inner wall of the rectangular box is fixedly connected with an A/D converter, and the bottom of the back of the inner wall of the rectangular box, which is positioned at the A/D converter, is fixedly connected with a storage battery.
Preferably, the positive top fixedly connected with light of warning sign, and the quantity of light is three, the equal fixedly connected with solar panel in both sides at the warning sign back.
Preferably, the output end of the solar heat collecting plate is connected with the input end of the A/D converter, and the output end of the A/D converter is electrically connected with the input end of the storage battery.
(III) advantageous effects
The invention provides a warning board for a construction site. The method has the following beneficial effects:
(1) the warning board for the construction site is characterized in that a through groove matched with a supporting column is formed in the top of a supporting block, the bottom end of the supporting column is in sliding connection with the inner wall of the through groove through a connecting block, the bottom of the warning board is fixedly connected with the top end of the supporting column, fixing grooves are formed in the supporting block and located at the tops of two sides of the through groove, a sliding plate is in sliding connection between the top and the bottom of the inner wall of the fixing groove, a movable groove is formed in one side of the sliding plate, a vertical rod is fixedly connected between the top and the bottom of the inner wall of the movable groove, sliding blocks are connected with the top and the bottom of the surface of the vertical rod in a sliding mode, a buffer spring is sleeved on the surface of the vertical rod and located between the opposite sides of the two sliding blocks, a connecting rod is rotatably connected to one side of the sliding block, one end of the, at one side fixedly connected with mounting panel of fixed slot inner wall, and the top and the bottom of mounting panel all rotate and be connected with the telescopic link, fixedly connected with expanding spring between the surface of telescopic link and be located the connecting rod and the relative one side of mounting panel, one side fixedly connected with guide bar at the sliding plate, run through fixed slot and supporting shoe in proper order and extend to the outside of supporting shoe in the one end of guide bar, extend to the outside one end fixedly connected with pull rod of fixed slot at the guide bar, at the opposite side fixedly connected with fixture block of sliding plate, run through the fixed slot in proper order in one side of keeping away from the sliding plate at the fixture block, lead to groove and support column and extend to the inside of support column, the draw-in groove with fixture block looks adaptation has all been seted up in the both sides on support column surface, can realize freely conveniently adjusting the height of warning, Stability and economic nature, labour saving and time saving, reliable and stable, do not need more economic cost simultaneously, be convenient for drop into operation in a large number, improved the practicality of this warning sign greatly.
(2) The warning board for the construction site is characterized in that the bottoms of two sides of a supporting block are both rotatably connected with a movable rod through a connecting block, one end of the movable rod is rotatably connected with an inclined rod through the connecting block, one end of the inclined rod is rotatably connected with an installation block through the connecting block, one side of the top of the installation block is provided with a threaded hole, the inner thread of the threaded hole is connected with a screw, the top and the bottom of two sides of the installation block are both fixedly connected with a first elastic bandage, the top and the bottom of two sides of the installation block are both fixedly connected with a second elastic bandage positioned on the back of the first elastic bandage, the back of the first elastic bandage is fixedly connected with a magic suede surface, a certain stable fixing effect on the supporting block can be realized, and meanwhile, the installation block can be conveniently folded and stored so as to provide convenience for the transportation of the warning board, the working intensity is reduced for the working personnel, and the working efficiency is greatly improved.
(3) The warning board for the construction site is characterized in that a supporting plate is fixedly connected between one opposite sides of two supporting blocks, a rectangular box is fixedly connected to the top of one side of the supporting plate, an A/D converter is fixedly connected to the top of the back of the inner wall of the rectangular box, a storage battery is fixedly connected to the back of the inner wall of the rectangular box and positioned at the bottom of the A/D converter, lighting lamps are fixedly connected to the front top of the warning board, the number of the lighting lamps is three, solar heat collecting plates are fixedly connected to two sides of the back of the warning board, the output ends of the solar heat collecting plates are connected with the input ends of the A/D converter, the output ends of the A/D converter are electrically connected with the input ends of the storage battery, the night lighting function of the warning board can be realized, accidents caused, and the solar energy can be converted into the electric energy, so that the use of the electric energy is reduced, the resources are saved, and the long-time use is facilitated.
Drawings
FIG. 1 is a front view of the structure of the present invention;
FIG. 2 is a cross-sectional view of a support block structure of the present invention;
FIG. 3 is a rear view of the warning sign construction of the present invention;
FIG. 4 is a right side view of the support block structure of the present invention;
FIG. 5 is a cross-sectional view of a rectangular box structure of the present invention;
FIG. 6 is an enlarged view of a portion of the invention at A in FIG. 1;
FIG. 7 is an enlarged view of a portion of the invention at B in FIG. 2;
fig. 8 is a schematic block diagram of the structure of the present invention.
In the figure: the solar energy warning board comprises a supporting block 1, a warning board 2, a supporting column 3, a through groove 4, a fixing groove 5, a sliding plate 6, a movable groove 7, a vertical rod 8, a sliding block 9, a buffer spring 10, a connecting rod 11, a mounting plate 12, a telescopic rod 13, a telescopic spring 14, a guide rod 15, a pull rod 16, a clamping block 17, a clamping groove 18, a buffer cushion 19, a movable rod 20, a diagonal rod 21, a mounting block 22, a threaded hole 23, a screw 24, a first elastic bandage 25, a second elastic bandage 26, a hook surface 27, a loop surface 28, a supporting plate 29, a rectangular box 30, a 31A/D converter, a 32 storage battery, a lighting lamp 33 and a solar energy heat.
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.
Referring to fig. 1 to 8, an embodiment of the present invention provides a technical solution: a warning board for construction sites comprises a supporting block 1, a warning board 2 and a supporting column 3, wherein the front top of the warning board 2 is fixedly connected with illuminating lamps 33, the number of the illuminating lamps 33 is three, the illuminating lamps 33 can provide a night illumination function for the warning board 2, the use of electric energy is reduced by utilizing solar energy to generate electricity, resources are saved, solar heat collecting plates 34 are fixedly connected to two sides of the back of the warning board 2, the solar heat collecting plates 34 can absorb solar energy, the solar energy is converted into electric energy through an A/D converter 31 and stored in a storage battery 32, so that the use of subsequent illuminating lamps is facilitated, certain electric power resources are saved, the practicability of the warning board is greatly improved, the output end of each solar heat collecting plate 34 is connected with the input end of the A/D converter 31, and the output end of the A/D converter 31 is electrically connected with the input end of the storage, a supporting plate 29 is fixedly connected between the opposite sides of the two supporting blocks 1, a rectangular box 30 is fixedly connected with the top of one side of the supporting plate 29, an A/D converter 31 is fixedly connected with the top of the back of the inner wall of the rectangular box 30, the model of the A/D converter 31 is LM311, a storage battery 32 is fixedly connected with the back of the inner wall of the rectangular box 30 and the bottom of the A/D converter 31, movable rods 20 are rotatably connected with the bottoms of the two sides of the supporting blocks 1 through connecting blocks, an inclined rod 21 is rotatably connected with one end of each movable rod 20 through a connecting block, an installation block 22 is rotatably connected with one end of each inclined rod 21 through a connecting block, first elastic bands 25 are fixedly connected with the tops and the bottoms of the two sides of the installation block 22, second elastic bands 26 are fixedly connected with the tops and the bottoms of the two sides of the installation block 22 and the back of the first elastic bands 25, the back of the second elastic bandage 26 is fixedly connected with a magic tape suede 28, the matching arrangement of the first elastic bandage 25, the second elastic bandage 26, the magic tape hook surface 27 and the magic tape suede 28 can realize a certain stable fixing effect on the supporting block 1, meanwhile, the mounting block 22 can be conveniently folded and stored, good conditions are created for the convenient transportation of the warning board 2, one side of the top of the mounting block 22 is provided with a threaded hole 23, the internal thread of the threaded hole 23 is connected with a screw 24, the warning board 2 can be effectively and stably fixed on the ground through the matching arrangement of the threaded hole 23 and the screw 24, the warning board 2 can be prevented from easily shaking, the foundation is laid for the normal use of the warning board 2, the top of the supporting block 1 is provided with a through groove 4 matched with the supporting column 3, and the bottom end of the supporting column 3 is in sliding connection with the inner wall of the through groove, the bottom of the warning board 2 is fixedly connected with the top end of the support column 3, the top parts of the inner part of the support block 1 and the two sides of the through groove 4 are both provided with fixed grooves 5, a sliding plate 6 is connected between the top part and the bottom part of the inner wall of the fixed groove 5 in a sliding manner, one side of the sliding plate 6 is fixedly connected with a guide rod 15, one end of the guide rod 15 sequentially penetrates through the fixed groove 5 and the support block 1 and extends to the outside of the support block 1, one end of the guide rod 15 extending to the outside of the fixed groove 5 is fixedly connected with a pull rod 16, the other side of the sliding plate 6 is fixedly connected with a fixture block 17, one side of the fixture block 17 far away from the sliding plate 6 sequentially penetrates through the fixed groove 5, the through groove 4 and the support column 3 and extends to the inside of the support column 3, the two sides, fixedly connected with montant 8 between the top of activity groove 7 inner wall and the bottom, and the top on montant 8 surface and the equal sliding connection in bottom have sliding block 9, the surface of montant 8 just is located and is equipped with buffer spring 10 between the relative one side of two sliding blocks 9, one side of sliding block 9 is rotated and is connected with connecting rod 11, the one end of connecting rod 11 runs through activity groove 7 and extends to the outside of activity groove 7, connecting rod 11 extends to the outside one end of activity groove 7 and passes through the connecting block and be connected with the inner wall rotation of fixed slot 5, one side fixedly connected with mounting panel 12 of fixed slot 5 inner wall, and the top and the bottom of mounting panel 12 all rotate and be connected with telescopic link 13, telescopic link 13's surface just is located fixedly connected with expanding spring 14 between.
When the height of the supporting column 3 is required to be adjusted, the guide rod 15 is pulled outwards through the pull rod 16, so that the fixture block 17 moves out of the clamping groove 18, after the position is adjusted, the pull rod 16 is loosened, the sliding plate 6 on the guide rod 15 can play a certain buffering role through the matching arrangement of the movable groove 7 in the fixed groove 5, the vertical rod 8, the sliding block 9, the buffer spring 10, the connecting rod 11, the mounting plate 12, the telescopic rod 13 and the telescopic spring 14, so that the fixture block 17 is clamped in the clamping groove 18 for limiting and fixing, the first elastic bandage 25 and the second elastic bandage 26 are loosened, so that the mounting block 22 is in contact with the ground, the bolt 24 penetrates through the threaded hole 23 for fixing, the solar energy can be absorbed through the solar energy collecting plate 34, the solar energy is converted into electric energy through the A/D converter 31 to be stored in the storage battery 32, so as to facilitate the use, thus, the whole work is completed.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
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 (8)
1. The utility model provides a warning sign for building site, includes supporting shoe (1), warning sign (2) and support column (3), logical groove (4) with support column (3) looks adaptation are seted up at the top of supporting shoe (1), and the bottom of support column (3) passes through the inner wall sliding connection of connecting block and logical groove (4), the bottom of warning sign (2) and the top fixed connection of support column (3), its characterized in that: the supporting block is characterized in that fixed grooves (5) are formed in the supporting block (1) and positioned at the tops of two sides of the through groove (4), a sliding plate (6) is connected between the top and the bottom of the inner wall of the fixed groove (5) in a sliding manner, a movable groove (7) is formed in one side of the sliding plate (6), a vertical rod (8) is fixedly connected between the top and the bottom of the inner wall of the movable groove (7), sliding blocks (9) are connected to the top and the bottom of the surface of the vertical rod (8) in a sliding manner, a buffer spring (10) is sleeved between the opposite sides of the two sliding blocks (9) on the surface of the vertical rod (8), a connecting rod (11) is rotatably connected to one side of each sliding block (9), one end of each connecting rod (11) penetrates through the movable groove (7) and extends to the outer portion of the movable groove (7), and one end of each connecting rod (11, one side of the inner wall of the fixing groove (5) is fixedly connected with a mounting plate (12), the top and the bottom of the mounting plate (12) are rotatably connected with a telescopic rod (13), a telescopic spring (14) is fixedly connected between the surface of the telescopic rod (13) and one side of the connecting rod (11) opposite to the mounting plate (12), one side of the sliding plate (6) is fixedly connected with a guide rod (15), one end of the guide rod (15) sequentially penetrates through the fixing groove (5) and the supporting block (1) and extends to the outside of the supporting block (1), one end of the guide rod (15) extending to the outside of the fixing groove (5) is fixedly connected with a pull rod (16), the other side of the sliding plate (6) is fixedly connected with a fixture block (17), one side of the fixture block (17) far away from the sliding plate (6) sequentially penetrates through the fixing groove (5), the through groove (4) and the supporting column, and clamping grooves (18) matched with the clamping blocks (17) are formed in the two sides of the surface of the supporting column (3).
2. A warning sign for construction sites according to claim 1, wherein: and the bottom of the inner wall of the through groove (4) is fixedly connected with a cushion pad (19).
3. A warning sign for construction sites according to claim 1, wherein: the bottom of supporting shoe (1) both sides all rotates through the connecting block and is connected with movable rod (20), and the one end of movable rod (20) rotates through the connecting block and is connected with down tube (21), the one end of down tube (21) rotates through the connecting block and is connected with installation piece (22).
4. A warning sign for construction sites according to claim 3, wherein: one side of the top of the mounting block (22) is provided with a threaded hole (23), and the inner thread of the threaded hole (23) is connected with a screw (24).
5. A warning sign for construction sites according to claim 3, wherein: the utility model discloses a fixing device for fixing a binding post, including installation piece (22), first elasticity bandage (25) of the equal fixedly connected with in top and the bottom of installation piece (22) both sides, the top and the bottom of installation piece (22) both sides just are located the equal fixedly connected with second elasticity bandage (26) of the back of first elasticity bandage (25), the back fixedly connected with magic subsides hook face (27) of first elasticity bandage (25), the back fixedly connected with magic subsides matte (28) of second elasticity bandage (26).
6. A warning sign for construction sites according to claim 1, wherein: the supporting plate (29) is fixedly connected between the opposite sides of the two supporting blocks (1), the rectangular box (30) is fixedly connected to the top of one side of the supporting plate (29), the A/D converter (31) is fixedly connected to the top of the back of the inner wall of the rectangular box (30), and the storage battery (32) is fixedly connected to the bottom of the back of the inner wall of the rectangular box (30) and located at the A/D converter (31).
7. A warning sign for construction sites according to claim 1, wherein: the positive top fixedly connected with light (33) of warning sign (2), and the quantity of light (33) is three, the equal fixedly connected with solar panel (34) in both sides at the warning sign (2) back.
8. A warning sign for construction sites according to claim 7, wherein: the output end of the solar heat collecting plate (34) is connected with the input end of the A/D converter (31), and the output end of the A/D converter (31) is electrically connected with the input end of the storage battery (32).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811363957.7A CN109285445B (en) | 2018-11-16 | 2018-11-16 | Warning sign for building site |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811363957.7A CN109285445B (en) | 2018-11-16 | 2018-11-16 | Warning sign for building site |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109285445A CN109285445A (en) | 2019-01-29 |
| CN109285445B true CN109285445B (en) | 2021-02-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201811363957.7A Active CN109285445B (en) | 2018-11-16 | 2018-11-16 | Warning sign for building site |
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| CN (1) | CN109285445B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114446147B (en) * | 2022-01-12 | 2023-11-03 | 西安恒仁新建筑科技有限公司 | Building site is with regulation formula warning sign |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE29612915U1 (en) * | 1996-07-25 | 1997-01-09 | Hinz, Klaus, 97084 Würzburg | Mobile notice board |
| JP2001202045A (en) * | 2000-01-21 | 2001-07-27 | Patoraito:Kk | Electric bulletin device |
| US7578087B2 (en) * | 2006-07-10 | 2009-08-25 | David R. Tollis | Construction permit storage device |
| CN206657584U (en) * | 2017-05-02 | 2017-11-21 | 浙江工业职业技术学院 | A kind of construction safety warning board for being easy to regulation |
| CN206697189U (en) * | 2017-05-05 | 2017-12-01 | 张杰明 | A kind of triangle warning plate of automatic lifting |
| CN107274782A (en) * | 2017-07-18 | 2017-10-20 | 温州大学瓯江学院 | A kind of wind-proof device of construction |
| CN207319633U (en) * | 2017-09-27 | 2018-05-04 | 陕西建工集团有限公司 | A kind of propaganda board for construction site |
| CN107680480A (en) * | 2017-10-27 | 2018-02-09 | 王琪 | A kind of construction warning sign |
| CN107856443A (en) * | 2017-12-07 | 2018-03-30 | 广州小造电子商务有限公司 | A kind of meeting presentation device |
| CN207731604U (en) * | 2017-12-14 | 2018-08-14 | 汤玮 | A kind of meeting accounting display board |
| CN207938283U (en) * | 2018-01-08 | 2018-10-02 | 陈建明 | A kind of construction alarming device |
| CN207862805U (en) * | 2018-02-07 | 2018-09-14 | 石家庄伍强房屋建筑工程有限公司 | A kind of construction alarming device |
| CN208044987U (en) * | 2018-03-31 | 2018-11-02 | 宜昌城大建设有限公司 | A kind of adjustable alarming device in construction site |
| CN108612989A (en) * | 2018-04-27 | 2018-10-02 | 广东知识城运营服务有限公司 | A kind of high speed construction safety instruction board |
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2018
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| CN109285445A (en) | 2019-01-29 |
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