CN115064041A - Circuit planning analogue means for electric power engineering design - Google Patents
Circuit planning analogue means for electric power engineering design Download PDFInfo
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- CN115064041A CN115064041A CN202210723362.8A CN202210723362A CN115064041A CN 115064041 A CN115064041 A CN 115064041A CN 202210723362 A CN202210723362 A CN 202210723362A CN 115064041 A CN115064041 A CN 115064041A
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- 238000004088 simulation Methods 0.000 claims abstract description 180
- 238000001179 sorption measurement Methods 0.000 claims abstract description 13
- 230000007306 turnover Effects 0.000 claims abstract description 10
- 230000000903 blocking effect Effects 0.000 claims description 25
- 238000009434 installation Methods 0.000 claims description 7
- 238000000926 separation method Methods 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 12
- 230000008569 process Effects 0.000 abstract description 9
- 238000003860 storage Methods 0.000 description 6
- 230000009471 action Effects 0.000 description 5
- 239000012528 membrane Substances 0.000 description 4
- 238000005457 optimization Methods 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000005192 partition Methods 0.000 description 3
- 230000001737 promoting effect Effects 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 238000004880 explosion Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 239000004576 sand Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
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- G09B23/18—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for physics for electricity or magnetism
- G09B23/188—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for physics for electricity or magnetism for motors; for generators; for power supplies; for power distribution
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Abstract
The invention discloses a circuit planning simulation device for electric power engineering design, which comprises a simulation placing box and a simulation placing plate, wherein the top side of the simulation placing box is provided with a simulation placing groove, the inner walls of the two sides of the simulation placing groove are respectively and rotatably provided with a turnover shaft, the circuit planning simulation device for electric power engineering design is provided with a first simulation groove and a second simulation groove, the first simulation groove is provided with a plain simulation magnetic block, the second simulation groove is provided with a valley simulation magnetic block, and the arrangement of the plain simulation magnetic block and the valley simulation magnetic block can form various topographic features, better meets the planning requirement in the process of planning an electric power circuit, a planning identification block is required to carry out position identification in the planning process, the planning identification block provided with an adsorption magnetic block is directly placed on the simulation placing plate through a magnetic adsorption component in the identification process when the identification position is placed, and performing line simulation.
Description
Technical Field
The invention relates to the technical field of electric power engineering, in particular to a circuit planning simulation device for electric power engineering design.
Background
Electric power engineering (electric power engineering), i.e., engineering related to the production, transmission, distribution of electric energy, also broadly includes engineering of applying electricity as power and energy in various fields, and is also understood to be transmission and transformation engineering.
Electric power engineering is carrying out the electric power transmission in-process, need plan the circuit of carrying earlier, plan the in-process, need plan the simulation on the sand table, thereby select the route of suitable optimization, be convenient for subsequent line construction, but traditional line planning is in the use, planning content is relatively limited, can only simulate to single plain land, and in simulation process, adopt the mode of jack, carry out the simulation mark and place, long-time jack, need regularly change the sand table, it is comparatively inconvenient, consequently, need a line planning analogue means for electric power engineering design to satisfy the demand.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a line planning simulation device for electric power engineering design, which is used for solving the problems.
In order to achieve the purpose, the invention adopts the following technical scheme:
a circuit planning simulator for electric power engineering design comprises a simulation placing box and a simulation placing plate, the top side that the case was placed in the simulation is equipped with the simulation standing groove, all rotate on the both sides inner wall of simulation standing groove and install the trip shaft, the both sides that the board was placed in the simulation are fixed mounting respectively in one that two trip shafts are close to each other serve, the case is placed in the simulation and the simulation is placed the board and is connected through the fixed position subassembly, the simulation is placed the top side and the bottom side of board and has been seted up first simulation groove and second simulation groove respectively, plain simulation magnetic path is installed to first simulation inslot, first green membrane has been placed to the top side of plain simulation magnetic path, install valley simulation magnetic path in the second simulation inslot, the second green membrane has been placed to the bottom side of valley simulation magnetic path, install planning sign piece through magnetism subassembly on the plain simulation magnetic path, movable mounting has the pull box on the case is placed in the simulation.
Preferably, the position fixing component comprises two movable holes which are fixedly arranged on the simulation placing box, the two movable holes are positioned on two sides of the turnover shaft and are positioned on the same horizontal axis with the turnover shaft, movable blocking rods are movably arranged in the two movable holes respectively, one ends of the two movable blocking rods extend out of the two movable holes respectively, and one end of each movable blocking rod is fixedly provided with the same connecting block.
Preferably, two stop lever grooves are formed in one side of the simulation placing plate, and one ends of the two movable stop levers are movably mounted in the two stop lever grooves respectively.
Preferably, one side fixed mounting of connecting block has two extension spring's one end, and the equal fixed mounting of the other end of two extension spring is on one side that the case was placed in the simulation, and one side fixed mounting of connecting block has the pulling handle.
Preferably, the magnetic attraction component comprises a corrugated pipe fixedly installed on the bottom side of the planning identification block, the planning placement block is fixedly installed at the bottom end of the corrugated pipe, a magnetic block installation groove is formed in the bottom side of the planning placement block, an adsorption magnetic block is fixedly installed in the magnetic block installation groove, and the adsorption magnetic block is matched with the plain simulation magnetic block and the valley simulation magnetic block in a homogeneous phase manner.
Preferably, a drawing hole is formed in the inner wall of one side of the simulation placing groove, one side of the drawing box extends into the drawing hole and is fixedly provided with a drawing handle, and a partition plate is arranged on the drawing box.
Preferably, all seted up the spacing groove on the both sides inner wall of simulation standing groove, outside two spacing grooves extended to the pull hole, the equal fixed mounting in both sides of pull box had the stopper, and one side that two stoppers kept away from each other is sliding mounting respectively at two spacing inslots.
Preferably, a fixed rotating shaft is fixedly installed on one side of the simulation placing box, a pulling box blocking block is rotatably installed on the fixed rotating shaft, and the bottom side of the pulling box blocking block extends to one side of the pulling hole and blocks one side of the pulling box.
Preferably, the four corners of the bottom side of the simulation placing box are respectively provided with a movable wheel, and one side of the simulation placing box is fixedly provided with a pushing handle.
Compared with the prior art, the invention has the beneficial effects that: the circuit planning simulation device for the power engineering design is characterized in that a first simulation groove and a second simulation groove are arranged on a simulation placing plate, plain simulation magnetic blocks are installed on the first simulation groove, valley simulation magnetic blocks are installed on the second simulation groove, and the plain simulation magnetic blocks and the valley simulation magnetic blocks are arranged to form various terrain landforms;
when the plain simulation magnetic block or the valley simulation magnetic block needs to be simulated, after overturning, fixing the position of the flat simulation magnetic block or the valley simulation magnetic block through the position fixing assembly, after a pulling handle on the position fixing assembly is pulled, a connecting block is driven to move, the connecting block drives a movable blocking rod and an extension spring to move, after the movable blocking rod moves to be separated from a blocking rod groove, overturning the simulation placing plate at one position can be carried out, after the pulling handle is loosened, the movable blocking rod can be driven to move into two corresponding blocking rod grooves under the elastic force action of the extension spring, and the position of the overturned simulation placing plate can be fixed, so that the power line planning simulation is facilitated;
the case is placed in the simulation and is equipped with the pull box, is equipped with the division board on the pull box, and the setting of division board can be separated the different storage area of pull box, and the different storage area can deposit in the electric power engineering use, and the tower sign, the line pole sign etc. that need accomplish categorised the placing, during the use, the very convenient of being convenient for look for, and a plurality of removal wheels of setting through promoting the handle, just can place the case to the simulation and carry out a removal.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic side sectional view of the present invention;
FIG. 3 is a schematic view of the vertical section of the present invention;
fig. 4 is a schematic structural view of explosive installation of the pull box of the invention;
FIG. 5 is a schematic diagram of a structure for simulating explosion of a placing plate according to the present invention;
FIG. 6 is a schematic view of a partial explosion according to the present invention;
FIG. 7 is a schematic view of the structure of part A in FIG. 2 according to the present invention.
In the figure: 1. a simulated placement box; 2. simulating a placing groove; 3. simulating a placing plate; 4. a turning shaft; 5. a first analog slot; 6. a second simulation tank; 7. a plain simulation magnetic block; 8. a first green film; 9. a valley simulation magnetic block; 10. a second green film; 11. planning a placement block; 12. a bellows; 13. planning an identification block; 14. a magnetic block mounting groove; 15. an adsorption magnetic block; 16. a movable hole; 17. a movable stop lever; 18. connecting blocks; 19. a gear lever groove; 20. an extension spring; 21. pulling the handle; 22. drawing the hole; 23. a box is drawn out; 24. a limiting groove; 25. a limiting block; 26. a partition plate; 27. a pull handle; 28. fixing the rotating shaft; 29. a pull-box stop block; 30. a moving wheel; 31. pushing the handle.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
Example (b): referring to fig. 1-7, a circuit planning simulation device for electric power engineering design comprises a simulation placing box 1 and a simulation placing plate 3, wherein a simulation placing groove 2 is arranged on the top side of the simulation placing box 1, turnover shafts 4 are rotatably arranged on the inner walls of the two sides of the simulation placing groove 2, the two sides of the simulation placing plate 3 are respectively and fixedly arranged on one ends of the two turnover shafts 4, which are close to each other, the simulation placing box 1 is connected with the simulation placing plate 3 through a position fixing component, a first simulation groove 5 and a second simulation groove 6 are respectively arranged on the top side and the bottom side of the simulation placing plate 3, a plain simulation magnetic block 7 is arranged in the first simulation groove 5, a first green film 8 is arranged on the top side of the plain simulation magnetic block 7, a valley simulation magnetic block 9 is arranged in the second simulation groove 6, a second green film 10 is arranged on the bottom side of the valley simulation magnetic block 9, a planning identification block 13 is arranged on the plain simulation magnetic block 7 through a magnetic attraction component, movable mounting has pull box 23 on the case 1 is placed in the simulation, the simulation is placed and is equipped with first simulation groove 5 and second simulation groove 6 on the board 3, install plain simulation magnetic path 7 on the first simulation groove 5, install valley simulation magnetic path 9 on the second simulation groove 6, plain simulation magnetic path 7 and the setting of valley simulation magnetic path 9, can form and have various relief landform, planning the in-process to the power line, better satisfying planning demand, and the first green membrane 8 and the green membrane 10 of second that set up, make the relief landform look like green lawn, the laminating scene is truer.
As a technical optimization scheme of the invention, the position fixing component comprises two movable holes 16 fixedly arranged on the simulation placing box 1, the two movable holes 16 are positioned at two sides of the turning shaft 4 and are positioned on the same horizontal axis with the turning shaft 4, movable blocking rods 17 are movably arranged in the two movable holes 16, one ends of the two movable blocking rods 17 respectively extend out of the two movable holes 16, one ends of the two movable blocking rods 17 are fixedly arranged with the same connecting block 18, one side of the simulation placing plate 3 is provided with two blocking rod grooves 19, one ends of the two movable blocking rods 17 are respectively movably arranged in the two blocking rod grooves 19, one side of the connecting block 18 is fixedly arranged with one ends of two extension springs 20, the other ends of the two extension springs 20 are respectively fixedly arranged on one side of the simulation placing box 1, one side of the connecting block 18 is fixedly arranged with a pulling handle 21, when the plain simulation magnetic block 7 or the valley simulation magnetic block 9 is required to be simulated, need the upset simulation to place board 3, can overturn through trip shaft 4, carry out a rigidity through the rigidity subassembly after the upset, drive connecting block 18 after the pulling handle 21 on the rigidity subassembly removes, connecting block 18 removes and drives movable shelves pole 17 and extension spring 20 and removes, activity shelves pole 17 removes behind the shelves pole groove 19 that will break away from, can place board 3 to the simulation and carry out a rigidity upset, loosen behind the pulling handle 21, under extension spring 20's spring action, can drive movable shelves pole 17 and remove to two corresponding shelves pole grooves 19 in, can place the position of board 3 to the simulation after the upset and fix, thereby be convenient for carry out the simulation of power line planning.
As a technical optimization scheme of the invention, the magnetic suction assembly comprises a corrugated pipe 12 fixedly installed on the bottom side of a planning identification block 13, a planning placement block 11 is fixedly installed at the bottom end of the corrugated pipe 12, a magnetic block installation groove 14 is formed in the bottom side of the planning placement block 11, an adsorption magnetic block 15 is fixedly installed in the magnetic block installation groove 14, the adsorption magnetic block 15 is matched with a plain simulation magnetic block 7 and a valley simulation magnetic block 9 in a homogeneous phase mode, during planning, the planning identification block 13 is required to be used for carrying out position identification, during identification, the adsorption magnetic block 15 on the magnetic suction assembly can attract the plain simulation magnetic block 7 and the valley simulation magnetic block 9, and during identification position placing, the planning identification block 13 provided with the adsorption magnetic block 15 is directly placed on the simulation placing plate 3 for circuit simulation.
As a technical optimization scheme of the invention, a drawing hole 22 is arranged on the inner wall of one side of a simulated placement box 2, one side of a drawing box 23 extends into the drawing hole 22 and is fixedly provided with a drawing handle 27, a partition plate 26 is arranged on the drawing box 23, limiting grooves 24 are arranged on the inner walls of two sides of the simulated placement box 2, the two limiting grooves 24 extend out of the drawing hole 22, limiting blocks 25 are fixedly arranged on two sides of the drawing box 23, the sides, far away from each other, of the two limiting blocks 25 are respectively arranged in the two limiting grooves 24 in a sliding manner, a fixed rotating shaft 28 is fixedly arranged on one side of the simulated placement box 1, a drawing box blocking block 29 is rotatably arranged on the fixed rotating shaft 28, the bottom side of the drawing box blocking block 29 extends to one side position of the drawing hole 22 and is blocked on one side of the drawing box 23, moving wheels 30 are arranged at the four corners of the bottom side of the simulated placement box 1, a pushing handle 31 is fixedly arranged on one side of the simulated placement box 1, be equipped with pull box 23 on case 1 is placed in the simulation, be equipped with division board 26 on the pull box 23, division board 26's setting, can separate out the different storage area of pull box 23, different storage area, can deposit in the electric power engineering use, the tower sign that needs, line pole sign etc, accomplish categorised placing, during the use, be convenient for very convenient look for, stopper 25 and the spacing groove 24 of setting, can carry out a spacingly to the removal of pull box 23, the pull box that sets up blocks piece 29, the pull box 23 is accomodating the back, can be located the pull hole 22, the pull box blocks piece 29 under the action of gravity, can fall perpendicularly, and block one side at pull box 23, can form one and block the effect, a plurality of removal wheel 30 of setting, through promoting handle 31, just can place case 1 to the simulation and carry out a removal.
When in use: in the process of power engineering design, a simulation planning needs to be carried out on a laid line, so that the line construction can be better carried out in the subsequent actual laying process, in the process of line simulation planning, a simulation placing plate 3 needs to be used, the simulation placing plate 3 can be rotatably installed in a simulation placing groove 2 through a turnover shaft 4, a first simulation groove 5 and a second simulation groove 6 are arranged on the simulation placing plate 3, a plain simulation magnetic block 7 is installed on the first simulation groove 5, a valley simulation magnetic block 9 is installed on the second simulation groove 6, the arrangement of the plain simulation magnetic block 7 and the valley simulation magnetic block 9 can form various topographic features, the planning requirements can be better met in the process of power line planning, and the arranged first green film 8 and the second green film 10 make the topographic features look like green lawns and the fitting scene is more real, during planning, a position mark needs to be carried out on the planning mark block 13, in the marking process, the magnetic attraction component and the adsorption magnetic block 15 on the magnetic attraction component can be attracted with the plain simulation magnetic block 7 and the valley simulation magnetic block 9, and when the mark position is placed, the planning mark block 13 provided with the adsorption magnetic block 15 is directly placed on the simulation placing plate 3 for circuit simulation;
when the plain simulation magnetic block 7 or the valley simulation magnetic block 9 needs to be simulated, the simulated placing plate 3 needs to be turned over, the simulated placing plate can be turned over through the turning shaft 4, after the simulated placing plate is turned over, one position is fixed through the position fixing assembly, the pulling handle 21 on the position fixing assembly drives the connecting block 18 to move after being pulled, the connecting block 18 moves to drive the movable blocking rod 17 and the extension spring 20 to move, after the movable blocking rod 17 moves to be separated from the blocking rod groove 19, the simulated placing plate 3 can be turned over by one position, after the pulling handle 21 is released, the movable blocking rod 17 can be driven to move into the two corresponding blocking rod grooves 19 under the elastic force action of the extension spring 20, the position of the turned simulated placing plate 3 can be fixed, and therefore the power line planning simulation is convenient to be carried out;
be equipped with pull box 23 on case 1 is placed in the simulation, be equipped with division board 26 on the pull box 23, division board 26's setting, can separate out the different storage area of pull box 23, different storage area, can deposit in the electric power engineering use, the tower sign that needs, line pole sign etc, accomplish categorised placing, in the time of the use, be convenient for look for very conveniently, stopper 25 and the spacing groove 24 of setting, can carry out a spacingly to the removal of pull box 23, the pull box that sets up blocks piece 29, the pull box 23 is accomodating the back, can be located the pull hole 22, the pull box blocks piece 29 under the action of gravity, can fall perpendicularly, and block one side at pull box 23, can form one and block the effect, a plurality of removal wheels 30 of setting, through promoting handle 31, just can place case 1 to the simulation and carry out a removal, high durability and convenient use.
Claims (9)
1. A circuit planning simulation device for electric power engineering design comprises a simulation placing box (1) and a simulation placing plate (3), and is characterized in that a simulation placing groove (2) is arranged on the top side of the simulation placing box (1), turnover shafts (4) are rotatably arranged on the inner walls of the two sides of the simulation placing groove (2), the two sides of the simulation placing plate (3) are fixedly arranged on one ends, close to each other, of the two turnover shafts (4) respectively, the simulation placing box (1) is connected with the simulation placing plate (3) through a position fixing component, a first simulation groove (5) and a second simulation groove (6) are arranged on the top side and the bottom side of the simulation placing plate (3) respectively, a plain simulation magnetic block (7) is arranged in the first simulation groove (5), a first green film (8) is arranged on the top side of the plain simulation magnetic block (7), a valley simulation magnetic block (9) is arranged in the second simulation groove (6), a second green film (10) is placed on the bottom side of the valley simulation magnetic block (9), a planning identification block (13) is installed on the plain simulation magnetic block (7) through a magnetic attraction component, and a drawing box (23) is movably installed on the simulation placing box (1).
2. The line planning simulation device for power engineering design according to claim 1, wherein the position fixing component comprises two movable holes (16) fixedly formed in the simulation placement box (1), the two movable holes (16) are located on two sides of the turnover shaft (4) and located on the same horizontal axis with the turnover shaft (4), movable stop rods (17) are movably mounted in the two movable holes (16), one ends of the two movable stop rods (17) extend out of the two movable holes (16), and one end of each of the two movable stop rods (17) is fixedly mounted with the same connecting block (18).
3. The line planning simulation device for power engineering design according to claim 2, wherein two stop lever grooves (19) are formed in one side of the simulation placement board (3), and one ends of the two movable stop levers (17) are movably mounted in the two stop lever grooves (19) respectively.
4. The line planning simulation device for electric power engineering design according to claim 2, wherein one side of the connecting block (18) is fixedly provided with one end of two extension springs (20), the other end of each extension spring (20) is fixedly arranged on one side of the simulation placing box (1), and one side of the connecting block (18) is fixedly provided with a pulling handle (21).
5. The circuit planning simulation device for electric power engineering design according to claim 1, wherein the magnetic attraction component comprises a corrugated pipe (12) fixedly installed at the bottom side of a planning identification block (13), a planning placement block (11) is fixedly installed at the bottom end of the corrugated pipe (12), a magnetic block installation groove (14) is formed in the bottom side of the planning placement block (11), an adsorption magnetic block (15) is fixedly installed in the magnetic block installation groove (14), and the adsorption magnetic block (15) is matched with the plain simulation magnetic block (7) and the valley simulation magnetic block (9) in a homogeneous phase.
6. The line planning simulation device for electric power engineering design according to claim 1, wherein a drawing hole (22) is formed in an inner wall of one side of the simulation placement groove (2), one side of the drawing box (23) extends into the drawing hole (22) and is fixedly provided with a drawing handle (27), and a separation plate (26) is arranged on the drawing box (23).
7. The line planning simulation device for electric power engineering design according to claim 1, wherein the inner walls of the two sides of the simulation placement groove (2) are provided with limiting grooves (24), the two limiting grooves (24) extend out of the drawing hole (22), the two sides of the drawing box (23) are fixedly provided with limiting blocks (25), and one sides of the two limiting blocks (25) which are far away from each other are respectively slidably installed in the two limiting grooves (24).
8. The line planning simulation device for electric power engineering design according to claim 1, wherein a fixed rotating shaft (28) is fixedly installed on one side of the simulation placement box (1), a pull box blocking block (29) is rotatably installed on the fixed rotating shaft (28), and the bottom side of the pull box blocking block (29) extends to a position on one side of the pull hole (22) and is blocked on one side of the pull box (23).
9. The line planning simulation device for power engineering design according to claim 1, wherein the moving wheels (30) are installed at four corners of the bottom side of the simulation placing box (1), and a pushing handle (31) is fixedly installed at one side of the simulation placing box (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210723362.8A CN115064041A (en) | 2022-06-24 | 2022-06-24 | Circuit planning analogue means for electric power engineering design |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210723362.8A CN115064041A (en) | 2022-06-24 | 2022-06-24 | Circuit planning analogue means for electric power engineering design |
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| Publication Number | Publication Date |
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| CN115064041A true CN115064041A (en) | 2022-09-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202210723362.8A Pending CN115064041A (en) | 2022-06-24 | 2022-06-24 | Circuit planning analogue means for electric power engineering design |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN211764510U (en) * | 2020-03-17 | 2020-10-27 | 昆明市官渡区职业高级中学 | Multi-functional fine arts teaching blackboard |
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| CN213518896U (en) * | 2020-08-27 | 2021-06-22 | 秦似云 | Simulation sand table for project management planning |
| CN213659825U (en) * | 2020-12-04 | 2021-07-09 | 中国农业大学烟台研究院 | Beautiful country planning is with show sand table |
| CN214279362U (en) * | 2021-02-26 | 2021-09-24 | 李娜 | Simple and easy-to-use simulation electronic technology experimental box |
| CN215182713U (en) * | 2021-07-16 | 2021-12-14 | 重庆航天职业技术学院 | Landscape scene simulation sand table for landscape design |
-
2022
- 2022-06-24 CN CN202210723362.8A patent/CN115064041A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN211764510U (en) * | 2020-03-17 | 2020-10-27 | 昆明市官渡区职业高级中学 | Multi-functional fine arts teaching blackboard |
| CN213518896U (en) * | 2020-08-27 | 2021-06-22 | 秦似云 | Simulation sand table for project management planning |
| CN112133180A (en) * | 2020-10-14 | 2020-12-25 | 怀化佳城生态建设有限公司 | Afforestation construction simulation display device |
| CN213659825U (en) * | 2020-12-04 | 2021-07-09 | 中国农业大学烟台研究院 | Beautiful country planning is with show sand table |
| CN214279362U (en) * | 2021-02-26 | 2021-09-24 | 李娜 | Simple and easy-to-use simulation electronic technology experimental box |
| CN215182713U (en) * | 2021-07-16 | 2021-12-14 | 重庆航天职业技术学院 | Landscape scene simulation sand table for landscape design |
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Application publication date: 20220916 |
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