CN112820219B - Construction project feasibility evaluation display device and evaluation method - Google Patents
Construction project feasibility evaluation display device and evaluation method Download PDFInfo
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- CN112820219B CN112820219B CN202110131282.9A CN202110131282A CN112820219B CN 112820219 B CN112820219 B CN 112820219B CN 202110131282 A CN202110131282 A CN 202110131282A CN 112820219 B CN112820219 B CN 112820219B
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F15/00—Boards, hoardings, pillars, or like structures for notices, placards, posters, or the like
- G09F15/0006—Boards, hoardings, pillars, or like structures for notices, placards, posters, or the like planar structures comprising one or more panels
- G09F15/0018—Boards, hoardings, pillars, or like structures for notices, placards, posters, or the like planar structures comprising one or more panels panel clamping or fastening means
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F15/00—Boards, hoardings, pillars, or like structures for notices, placards, posters, or the like
- G09F15/0068—Modular articulated structures, e.g. stands, and articulation means therefor
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F15/00—Boards, hoardings, pillars, or like structures for notices, placards, posters, or the like
- G09F15/0087—Boards, hoardings, pillars, or like structures for notices, placards, posters, or the like including movable parts, e.g. movable by the wind
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- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
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Abstract
The invention relates to a feasibility assessment display device and a feasibility assessment method for construction engineering projects, which comprises a fixed seat, wherein a rotating mechanism is arranged inside the fixed seat, two fixed columns are symmetrically and fixedly connected to the top end face of the fixed seat, first threaded rods are arranged inside the two fixed columns, an installation plate is arranged between the two fixed columns, two first fixed plates are symmetrically and fixedly connected to the inside of the installation plate, a moving mechanism is arranged between the two first fixed plates, a second fixed plate is fixedly connected to the opposite sides of the two first fixed plates, a limiting mechanism is arranged between the second fixed plate and the first fixed plate, two fixed boxes are symmetrically and fixedly connected to the top end face of the installation plate, and a fixing mechanism is arranged on one side of each of the two fixed boxes, which is provided with a display plate, the feasibility assessment display device has the advantages that: can play the effect of being convenient for carry out quick assembly disassembly to the show board for avoid through traditional bolted connection's mode, bolt looseness's phenomenon appears easily, thereby influence the stability of show board.
Description
Technical Field
The invention relates to a display device, in particular to a construction project feasibility assessment display device and an assessment method, and belongs to the technical field of construction projects.
Background
Along with the development of national strength of China, the economy is continuously promoted, in the field of construction engineering nowadays, feasibility of the construction engineering is generally required to be evaluated, and files which are well arranged are placed on a display board, so that workers can obtain information more intuitively.
But the operation is adjusted to the show shelf not convenient to carry on mostly to current display device, when needs go up and down the regulation to the show shelf, needs artifical manual regulation to reduce the efficiency of work, traditional mostly will show the board and install on the exhibition time through bolted connection's mode simultaneously, this kind of mode need consume a large amount of operating time and the phenomenon that the bolt is not hard up appears simultaneously easily, and then influence the stability of show board.
Disclosure of Invention
The invention aims to provide a construction project feasibility evaluation display device and an evaluation method.
In order to solve the technical problems, the invention provides the following technical scheme:
the invention discloses a feasibility assessment display device and a feasibility assessment method for a construction project, and the feasibility assessment display device comprises a fixed seat, wherein a rotating mechanism is arranged inside the fixed seat, two fixed columns are symmetrically and fixedly connected to the top end surface of the fixed seat, first threaded rods are arranged inside the two fixed columns, a mounting plate is arranged between the two fixed columns, two first fixed plates are symmetrically and fixedly connected to the inside of the mounting plate, a moving mechanism is arranged between the two first fixed plates, a second fixed plate is fixedly connected to the opposite sides of the two first fixed plates, a limiting mechanism is arranged between the second fixed plate and the first fixed plates, two fixed boxes are symmetrically and fixedly connected to the top end surface of the mounting plate, a fixing mechanism is arranged on one side, provided with a display plate, of the display plate, and two second limiting boxes are symmetrically and fixedly connected to the end surface, close to the mounting plate, of the display plate.
As a preferred technical scheme of the present invention, the rotating mechanism includes two first gears, a second gear is disposed between the two first gears, the two first gears and the second gear are connected by a belt, two ends of the two first gears and two ends of the second gear are both rotatably connected to an inner wall of the fixing base by a rotating member, top ends of the two first gears are fixedly connected with a fixing member, and the other ends of the fixing member respectively penetrate through the two fixing columns and are fixedly connected with the first threaded rod, the bottom of the fixing base is provided with a first motor, and an output end of the first motor penetrates through the fixing base and is fixedly connected with the second gear.
As a preferred technical solution of the present invention, the limiting mechanism includes a movable plate, two first springs are symmetrically and fixedly connected to an end surface of the movable plate close to the first fixed plate, the other ends of the two first springs are both fixedly connected to a side wall of the first fixed plate, one end of the movable plate far from the display plate is fixedly connected to a second slider, one side of the second slider far from the movable plate is provided with a chute, the chute is fixedly connected to an inner wall of the mounting plate, one end of the movable plate far from the second slider penetrates through the mounting plate and is fixedly connected to an insertion block, a moving member is fixedly connected to an end surface of the movable plate, and the other end of the moving member penetrates through the mounting plate and is fixedly connected to a first moving block.
As a preferred technical scheme of the invention, the moving mechanism comprises two second threaded rods, bevel gears are arranged at opposite ends of the two second threaded rods, the opposite ends of the two second threaded rods are rotatably connected to the side wall of the first fixing plate, rotating rods are arranged at the tops of the two second threaded rods, bevel gears are arranged at the bottom ends of the rotating rods, the top ends of the rotating rods penetrate through the mounting plate and are fixedly connected with second moving blocks, a sliding rod is arranged at one side of the two second threaded rods close to the display plate, two ends of the sliding rod are fixedly connected to the side wall of the first fixing plate, two third sliding blocks are symmetrically arranged on the two second threaded rods, and two fourth sliding blocks are symmetrically arranged on the sliding rod.
As a preferred technical scheme of the invention, the fixing mechanism comprises two limiting blocks, the other ends of the two limiting blocks opposite to each other are fixedly connected with second springs, the other ends of the two second springs are fixedly connected to the inner wall of the fixing box, one ends of the two limiting blocks far away from the first moving block are fixedly connected with connecting rods, and the other ends of the connecting rods penetrate through the fixing box and are fixedly connected with moving rods.
As a preferable technical scheme of the invention, the two third sliding blocks are respectively in threaded connection with the two second threaded rods, the two fourth sliding blocks are in sliding connection with the sliding rods, the two fourth sliding blocks and the two third sliding blocks are fixedly connected through connecting pieces, two first limiting boxes are symmetrically arranged on one side of the mounting plate close to the display plate, and the two first limiting boxes and the two third sliding blocks are fixedly connected through fixing pieces.
As a preferred technical scheme of the present invention, the top end of the first threaded rod is fixedly connected to the inner wall of the fixed column, the first threaded rod is provided with a first slider, the first slider is in threaded connection with the first threaded rod, and the mounting plate penetrates through the fixed column and is fixedly connected with the first slider.
The invention has the following beneficial effects:
1. can play through fixed establishment and carry out spacing fixed effect to the gag lever post to be convenient for follow-up insert the box on the mounting panel and carry on spacingly, moving mechanism can play and remove the effect that two first spacing boxes moved about simultaneously relatively, with the realization adjusts the interval between two first spacing boxes, so that make the spacing box of second on the show board of different model sizes slide in first spacing box, with the realization to the horizontal spacing effect of show board.
2. Can play the elasticity through first spring through stop gear and promote the inserted block and remove to the inserted block inserts in the box of inserting on the show board, make can carry out spacing fixed effect to the show board of different model sizes, slewing mechanism can play the effect that the regulation mounting panel reciprocated simultaneously, and then makes when accomplishing the back to show board fixed mounting, in order to realize adjusting the purpose that the show board goes up and down, does not need manual regulation operation, labour saving and time saving.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic front view of the present invention;
FIG. 2 is a schematic view of the mounting plate structure of the present invention;
FIG. 3 is a top view of the mounting plate and display board of the present invention;
FIG. 4 is an enlarged schematic view of the structure at the point A;
fig. 5 is a schematic structural view of the rotating mechanism of the present invention.
In the figure: 1. a fixed seat; 2. fixing a column; 3. a first slider; 4. a first threaded rod; 5. a display board; 6. mounting a plate; 7. a first gear; 8. a belt; 9. a second gear; 10. a first motor; 11. a first fixing plate; 12. a moving member; 13. inserting a block; 14. a movable plate; 15. a fixing mechanism; 16. a first limit box; 17. a first moving block; 18. a fixing box; 19. a second fixing plate; 20. a chute; 21. a second slider; 22. rotating the rod; 23. a first spring; 24. a second threaded rod; 25. a slide bar; 26. a third slider; 27. a fourth slider; 28. a second moving block; 29. a second limit box; 30. a limiting rod; 31. a limiting block; 32. a second spring; 33. a connecting rod; 34. a travel bar; 35. a rotating mechanism; 36. a limiting mechanism; 37. and a moving mechanism.
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 (b): as shown in fig. 1 to 5, the feasibility assessment display device and the feasibility assessment method for construction engineering projects of the invention comprise a fixing seat 1, a rotating mechanism 35 is arranged inside the fixing seat 1, two fixing columns 2 are symmetrically and fixedly connected to the top end surface of the fixing seat 1, first threaded rods 4 are arranged inside the two fixing columns 2, a mounting plate 6 is arranged between the two fixing columns 2, two first fixing plates 11 are symmetrically and fixedly connected to the inside of the mounting plate 6, a moving mechanism 37 is arranged between the two first fixing plates 11, a second fixing plate 19 is fixedly connected to the opposite sides of the two first fixing plates 11, a limiting mechanism 36 is arranged between the second fixing plate 19 and the first fixing plate 11, two fixing boxes 18 are symmetrically and fixedly connected to the top end surface of the mounting plate 6, a fixing mechanism 15 is arranged on one side of each of the display plate 5 inside the two fixing boxes 18, a display plate 5 is arranged on one side of the mounting plate 6, and two second limiting boxes 29 are symmetrically and fixedly connected to the end surface of the display plate 5 close to the mounting plate 6, so that the display plate 5 can be conveniently and rapidly disassembled and the display plate 5 can be prevented from being loosened in a traditional bolt connection mode, and the stability of the display plate 5 can be affected.
Wherein, slewing mechanism 35 includes two first gears 7, be equipped with second gear 9 between two first gears 7, connect through belt 8 between two first gears 7 and the second gear 9, the both ends of two first gears 7 and second gear 9 are all rotated through rotating the piece and are connected on the inner wall of fixing base 1, the top fixedly connected with mounting of two first gears 7, and the other end of mounting run through two fixed columns 2 respectively and with first threaded rod 4 fixed connection, the bottom of fixing base 1 is equipped with first motor 10, the output of first motor 10 runs through fixing base 1 and with second gear 9 fixed connection, can play the effect that adjusting mounting panel 6 reciprocated simultaneously, and then make when accomplishing the fixed mounting to show board 5, in order to realize adjusting the purpose that show board 5 goes up and down, do not need the manual regulation operation, time and labor saving.
Wherein, the limiting mechanism 36 includes the movable plate 14, two first springs 23 are symmetrically and fixedly connected to an end surface of the movable plate 14 close to the first fixed plate 11, the other ends of the two first springs 23 are all fixedly connected to a side wall of the first fixed plate 11, one end of the movable plate 14 far away from the display plate 5 is fixedly connected to the second slider 21, one side of the second slider 21 far away from the movable plate 14 is provided with a chute 20, the chute 20 is fixedly connected to an inner wall of the mounting plate 6, one end of the movable plate 14 far away from the second slider 21 runs through the mounting plate 6 and is fixedly connected to the insert block 13, the top end surface of the movable plate 14 is fixedly connected to the moving member 12, the other end of the moving member 12 runs through the mounting plate 6 and is fixedly connected to the first moving block 17, the movable plate 14 can be pushed by the elastic force of the first spring 23 to move, so as to insert the insert block 13 into the insert boxes on the display plate 5 with different models and size, thereby achieving the limiting and fixing effect on the display plates 5 with different models and sizes.
Wherein, the moving mechanism 37 includes two second threaded rods 24, the opposite ends of the two second threaded rods 24 are all provided with bevel gears, the opposite other ends of the two second threaded rods 24 are all rotatably connected to the side wall of the first fixing plate 11, the top of the two second threaded rods 24 is provided with a rotating rod 22, the bottom end of the rotating rod 22 is provided with a bevel gear, the top end of the rotating rod 22 penetrates through the mounting plate 6 and is fixedly connected with a second moving block 28, one side of the two second threaded rods 24 close to the display board 5 is provided with a sliding rod 25, the two ends of the sliding rod 25 are all fixedly connected to the side wall of the first fixing plate 11, the two second threaded rods 24 are symmetrically provided with two third sliding blocks 26, the sliding rod 25 is symmetrically provided with two fourth sliding blocks 27, the effect of moving the two first limiting boxes 16 while moving left and right relatively can be achieved, so as to achieve the adjustment of the distance between the two first limiting boxes 16, so as to facilitate the second limiting boxes 29 on the display boards 5 with different models to slide in the first limiting boxes 16, and achieve the effect of transverse limiting of the display board 5.
Wherein, fixed establishment 15 includes two stopper 31, the equal fixedly connected with second spring 32 of the other end that two stopper 31 are relative, the equal fixed connection of the other end of two second springs 32 is on the inner wall of fixed box 18, the one end fixedly connected with connecting rod 33 of first movable block 17 is kept away from to two stopper 31, the other end of connecting rod 33 runs through fixed box 18 and fixedly connected with carriage release lever 34, can play and carry out spacing fixed effect to gag lever post 30, thereby be convenient for follow-up insert the box on the show board 5 and carry on spacingly.
Wherein, two third sliders 26 are equally divided into two threaded connections on two second threaded rods 24, two fourth sliders 27 are slidably connected on the slide rod 25, two fourth sliders 27 and two third sliders 26 are fixedly connected through a connecting piece, one side of the mounting plate 6 close to the display plate 5 is symmetrically provided with two first limiting boxes 16, two first limiting boxes 16 and two third sliders 26 are fixedly connected through a fixing piece, and by rotating the second moving block 28, the two second threaded rods 24 can be driven to rotate, so that the two third sliders 26 drive the fourth slider 27 slidably connected on the slide rod 25 to move, and the effect of adjusting the distance between the two first limiting boxes 16 can be achieved.
Wherein, the top fixed connection of first threaded rod 4 is equipped with first slider 3 on first threaded rod 4 on the inner wall of fixed column 2, 3 threaded connection of first slider on first threaded rod 4, and mounting panel 6 runs through fixed column 2 and with 3 fixed connection of first slider, because mounting panel 6 is connected with first slider 3, when first slider 3 reciprocated, can realize adjusting the effect of 6 lifts of mounting panel.
Specifically, when the display board 5 needs to be installed, the two second threaded rods 24 can be driven to rotate by rotating the second moving block 28, so that the two third sliding blocks 26 drive the fourth sliding block 27 connected to the sliding rod 25 in a sliding manner to move, the effect of adjusting the distance between the two first limiting boxes 16 can be achieved, the display boards 5 with different sizes and models can be installed, after the two first limiting boxes 16 are adjusted to proper positions, the second limiting box 29 on the display board 5 can be placed into the first limiting box 16, the second limiting box 29 can slide downwards in the first limiting box 16, and the effect of transversely limiting the display board 5 can be achieved.
Then move two movable rods 34 in opposite directions, and then can drive stopper 31 through connecting rod 33 and move to realize that stopper 31 shifts out from the recess on gag lever post 30, at this moment fly leaf 14 is through the elasticity of first spring 23, thereby with inserted block 13 jack-up, and then can insert inserted block 13 in the box of inserting on show board 5, with the realization to the vertical fixation of show board 5, make fixed stable to show board 5, the difficult phenomenon that becomes flexible and drop that appears.
At last when needing to adjust the lift of show board 5, start first motor 10, and then make second gear 9 rotatory, because connect through belt 8 between two first gears 7 and the second gear 9, thereby can make two first gears 7 rotatory simultaneously, and then can drive first threaded rod 4 and rotate, make the first slider 3 of screw thread linae on first threaded rod 4 reciprocate, because mounting panel 6 is connected with first slider 3, can realize adjusting the effect of the lift of mounting panel 6.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various 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 (7)
1. The feasibility assessment display device for the construction engineering project is characterized by comprising a fixing seat (1), a rotating mechanism (35) is arranged inside the fixing seat (1), two fixing columns (2) are symmetrically and fixedly connected to the top end face of the fixing seat (1), first threaded rods (4) are arranged inside the two fixing columns (2), a mounting plate (6) is arranged between the two fixing columns (2), two first fixing plates (11) are symmetrically and fixedly connected to the inside of the mounting plate (6), a moving mechanism (37) is arranged between the two first fixing plates (11), a second fixing plate (19) is fixedly connected to the opposite side of each of the two first fixing plates (11), a limiting mechanism (36) is arranged between the second fixing plate (19) and the first fixing plate (11), two fixing boxes (18) are symmetrically and fixedly connected to the top end face of the mounting plate (6), a fixing mechanism (15) is arranged on one side, provided with a display plate (5), of the mounting plate (6) is arranged on one side, and a display plate (5) is arranged on the side close to the first fixing plate (6);
the fixing mechanism (15) comprises two limiting blocks (31), the other ends, opposite to the limiting blocks (31), of the two limiting blocks (31) are fixedly connected with second springs (32), the other ends of the two second springs (32) are fixedly connected to the inner wall of the fixing box (18), one ends, far away from the first moving block (17), of the two limiting blocks (31) are fixedly connected with connecting rods (33), and the other ends of the connecting rods (33) penetrate through the fixing box (18) and are fixedly connected with moving rods (34).
2. The feasibility assessment and display device for the construction engineering project according to claim 1, wherein the rotating mechanism (35) comprises two first gears (7), a second gear (9) is arranged between the two first gears (7), the two first gears (7) and the second gear (9) are connected through a belt (8), two ends of the two first gears (7) and two ends of the second gear (9) are rotatably connected to the inner wall of the fixing base (1) through rotating parts, fixing parts are fixedly connected to the top ends of the two first gears (7), the other ends of the fixing parts respectively penetrate through the two fixing columns (2) and are fixedly connected with the first threaded rod (4), a first motor (10) is arranged at the bottom of the fixing base (1), and the output end of the first motor (10) penetrates through the fixing base (1) and is fixedly connected with the second gear (9).
3. The feasibility assessment display device for construction engineering projects according to claim 1, wherein the limiting mechanism (36) comprises a movable plate (14), two first springs (23) are symmetrically and fixedly connected to one end face, close to the first fixed plate (11), of the movable plate (14), the other ends of the two first springs (23) are fixedly connected to the side wall of the first fixed plate (11), a second slider (21) is fixedly connected to one end, far away from the display plate (5), of the movable plate (14), a sliding groove (20) is arranged on one side, far away from the movable plate (14), of the second slider (21), the sliding groove (20) is fixedly connected to the inner wall of the mounting plate (6), one end, far away from the second slider (21), of the movable plate (14) penetrates through the mounting plate (6) and is fixedly connected with the insert block (13), a movable member (12) is fixedly connected to the top end face of the movable plate (14), and the other end of the movable member (12) penetrates through the mounting plate (6) and is fixedly connected with the first movable block (17).
4. The construction engineering project feasibility assessment display device according to claim 1, characterized in that, the moving mechanism (37) includes two second threaded rods (24), two opposite ends of the second threaded rods (24) are all equipped with the bevel gear, two opposite ends of the second threaded rods (24) are all rotationally connected on the side wall of the first fixed plate (11), two the top of the second threaded rods (24) is equipped with the dwang (22), the bottom of the dwang (22) is equipped with the bevel gear, the top of the dwang (22) runs through the mounting plate (6) and is fixedly connected with the second movable block (28), two one side of the second threaded rods (24) close to the display plate (5) is equipped with the slide bar (25), the both ends of the slide bar (25) are all fixedly connected on the side wall of the first fixed plate (11), two symmetrical two of the second threaded rods (24) are equipped with two third sliders (26), the slide bar (25) is equipped with two fourth sliders (27).
5. The feasibility assessment display device for construction engineering projects according to claim 4, characterized in that two third sliding blocks (26) are respectively screwed on two second threaded rods (24), two fourth sliding blocks (27) are slidably connected on a sliding rod (25), the two fourth sliding blocks (27) and the two third sliding blocks (26) are fixedly connected through a connecting piece, two first limiting boxes (16) are symmetrically arranged on one side of the mounting plate (6) close to the display plate (5), and the two first limiting boxes (16) and the two third sliding blocks (26) are fixedly connected through a fixing piece.
6. The feasibility assessment and display device for the construction project according to claim 1, wherein the top end of the first threaded rod (4) is fixedly connected to the inner wall of the fixed column (2), the first threaded rod (4) is provided with a first sliding block (3), the first sliding block (3) is in threaded connection with the first threaded rod (4), and the mounting plate (6) penetrates through the fixed column (2) and is fixedly connected with the first sliding block (3).
7. A method for adjusting a service system information storage device, which uses the feasibility assessment display device for construction project as claimed in claim 1, comprising the steps of:
s1, a moving mechanism (37) can play a role in moving two first limiting boxes (16) to move left and right relatively at the same time so as to adjust the distance between the two first limiting boxes (16), so that second limiting boxes (29) on display boards of different models and sizes can slide in the first limiting boxes (16), and the effect of transversely limiting the display boards (5) is achieved;
s2, the fixing mechanism (15) can play a role in limiting and fixing the limiting rod (30), so that the subsequent limitation of the inserting box on the mounting plate (6) is facilitated, the limiting mechanism (36) can play a role in pushing the inserting block (13) to move through the elastic force of the first spring (23), so that the inserting block (13) is inserted into the inserting box on the display board (5), the effect of limiting and fixing the display boards (5) of different models can be achieved, and the effect of fixing the display boards (5) is achieved;
s3, slewing mechanism (35) can play the effect of adjusting mounting panel (6) and reciprocating simultaneously, and then make when accomplishing show board (5) fixed mounting back to the realization is adjusted show board (5) and is carried out the purpose of going up and down, does not need manual regulation operation, labour saving and time saving.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110131282.9A CN112820219B (en) | 2021-01-30 | 2021-01-30 | Construction project feasibility evaluation display device and evaluation method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110131282.9A CN112820219B (en) | 2021-01-30 | 2021-01-30 | Construction project feasibility evaluation display device and evaluation method |
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| Publication Number | Publication Date |
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| CN112820219A CN112820219A (en) | 2021-05-18 |
| CN112820219B true CN112820219B (en) | 2022-11-11 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN208819575U (en) * | 2018-10-03 | 2019-05-03 | 常文娟 | A kind of child-parent education display board |
| CN209912262U (en) * | 2019-03-06 | 2020-01-07 | 榆林学院 | English teaching show board |
| CN210291316U (en) * | 2019-03-21 | 2020-04-10 | 扬州市青锐网络科技有限公司 | Display device for internet marketing promotion |
| CN211232328U (en) * | 2019-12-06 | 2020-08-11 | 河北驰旭科技有限公司 | Outdoor LED display screen convenient to installation |
| CN211030297U (en) * | 2019-12-11 | 2020-07-17 | 深圳市华鑫防伪科技有限公司 | Anti-counterfeit label location fretwork device |
| CN210984201U (en) * | 2020-02-28 | 2020-07-10 | 周书尧 | Analysis show shelf for building engineering cost |
| CN211529567U (en) * | 2020-04-13 | 2020-09-18 | 西安医学院 | Novel french specialty propaganda and education is with show board |
| CN212010294U (en) * | 2020-06-10 | 2020-11-24 | 王珍珍 | Building engineering cost statistics show board |
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