CN113393765A - Multi-functional intelligent sign that road was used - Google Patents
Multi-functional intelligent sign that road was used Download PDFInfo
- Publication number
- CN113393765A CN113393765A CN202110477750.8A CN202110477750A CN113393765A CN 113393765 A CN113393765 A CN 113393765A CN 202110477750 A CN202110477750 A CN 202110477750A CN 113393765 A CN113393765 A CN 113393765A
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- Prior art keywords
- wall
- display screen
- moving block
- bevel gear
- fixing plate
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- 238000004140 cleaning Methods 0.000 claims abstract description 32
- 238000009434 installation Methods 0.000 claims abstract description 23
- 229920000742 Cotton Polymers 0.000 claims abstract description 20
- 230000000149 penetrating effect Effects 0.000 claims description 11
- 238000003860 storage Methods 0.000 claims description 6
- 238000012423 maintenance Methods 0.000 claims description 4
- 238000003466 welding Methods 0.000 claims description 3
- 239000000428 dust Substances 0.000 abstract description 11
- 230000000694 effects Effects 0.000 abstract description 4
- 230000009194 climbing Effects 0.000 abstract description 3
- 238000009825 accumulation Methods 0.000 abstract description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Images
Classifications
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
- G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B1/00—Cleaning by methods involving the use of tools
- B08B1/30—Cleaning by methods involving the use of tools by movement of cleaning members over a surface
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B1/00—Cleaning by methods involving the use of tools
- B08B1/30—Cleaning by methods involving the use of tools by movement of cleaning members over a surface
- B08B1/32—Cleaning by methods involving the use of tools by movement of cleaning members over a surface using rotary cleaning members
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
- F16M11/02—Heads
- F16M11/04—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand
- F16M11/043—Allowing translations
- F16M11/046—Allowing translations adapted to upward-downward translation movement
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
- F16M11/02—Heads
- F16M11/18—Heads with mechanism for moving the apparatus relatively to the stand
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Road Signs Or Road Markings (AREA)
Abstract
The invention discloses a multifunctional intelligent sign for roads, which comprises a base, an installation box, a supporting rod, a lifting assembly and a cleaning assembly, wherein the installation box is fixed on the outer wall of the top end of the base; the lifting assembly is convenient to mount and dismount the display screen, the display screen can be maintained in time, workers are saved from climbing the supporting rods by using a ladder to dismount the display screen, the safety during operation is improved, the working efficiency is also improved, the labor intensity is reduced, the cleaning assembly is convenient to clean dust on the surface of the display screen, the cleaning cotton stick can rotate and move while moving, the cleaning effect is good, the situation that the dust accumulation influences pedestrians to watch the content in the display screen is effectively prevented, and the lifting assembly is practical and perfect and is worthy of wide popularization and application.
Description
Technical Field
The invention relates to the technical field of road equipment, in particular to a multifunctional intelligent sign for a road.
Background
The sign board is used for manufacturing the sign board of the sign as the name implies, the content such as characters, patterns and the like has the functions of indicating the direction and warning, common sign boards have public benefit sign boards, culture sign boards, indication sign boards and warning sign boards, facilities for indicating the names of roads or places are arranged beside the roads and are direction signs when people go out, most of the existing indication sign boards can be explained simply, the content in the sign boards can not be updated in time, when the sign board information is replaced, manual disassembly is needed, sign boards with different contents are replaced, the operation is time-consuming and labor-consuming, the labor intensity of workers is increased, the working efficiency is reduced, the cost for installing the sign boards and the sign boards are wasted, when the sign boards are used for a long time, the surface area is full of dust easily, pedestrians cannot easily see the content of the sign boards clearly, the original prompt function of the sign boards is lost, therefore, it is necessary to design a multifunctional intelligent sign for roads.
Disclosure of Invention
The invention aims to provide a multifunctional intelligent sign for roads, the lifting assembly is convenient to mount and dismount a display screen, the display screen can be maintained in time, workers are saved from climbing a support rod by using a ladder to dismount the display screen, the safety during operation is improved, the working efficiency is also improved, the labor intensity is reduced, the cleaning assembly is convenient to clean dust on the surface of the display screen, a cleaning cotton rod can rotate and move at the same time, the cleaning effect is good, the condition that the dust accumulation influences pedestrians to watch the content in the display screen is effectively prevented, and the multifunctional intelligent sign is practical and perfect and is worthy of wide popularization and application.
The purpose of the invention can be realized by the following technical scheme:
a multifunctional intelligent sign for roads comprises a base, an installation box, a supporting rod, a lifting assembly and a cleaning assembly, wherein the installation box is fixed on the outer wall of the top end of the base;
the lifting assembly comprises a first rotating motor, a first bevel gear, a first moving groove, a first lead screw, a second bevel gear, a first moving block, a first fixing plate, a second fixing plate and a display screen, the first moving groove is formed in the outer wall of the supporting rod in a penetrating mode, the first lead screw is installed on the inner wall of the bottom end of the first moving groove in a penetrating and rotating mode, the second bevel gear is fixed to one end, located inside the installation box, of the first lead screw, the first rotating motor is fixed to the inner wall of the top end of the installation box, the first bevel gear is fixed to one end, located on the output shaft of the first rotating motor, of the first rotating motor corresponding to the second bevel gear, the first bevel gear is meshed with the second bevel gear, the first moving block is sleeved on the outer wall of the first lead screw and in threaded connection with the first lead screw, the first fixing plates are welded to two sides, located outside the first moving block, of the first moving block, and a second fixing plate is arranged on the outer wall of one side of the first fixing plate, and a display screen is arranged on the outer wall of the second fixing plate.
As a further scheme of the invention: the number of the first fixing plate, the second fixing plate and the display screens is two, and the installation directions of the two display screens are opposite.
As a further scheme of the invention: the cleaning assembly comprises a mounting plate, a second moving groove, a second lead screw, an L-shaped moving block, a second rotating motor, a rotating shaft, a cleaning cotton stick, a U-shaped frame, a first gear and a rack, the mounting plate is welded on one side of the bottom of the display screen, the second moving groove is formed in the outer wall of the top end of the mounting plate in a penetrating mode, the second lead screw is rotatably mounted on the inner wall between the second moving grooves, the L-shaped moving block is sleeved on the outer wall of the second lead screw and is in threaded connection with the second lead screw, the rotating shaft is rotatably mounted on the outer wall of the L-shaped moving block bottom plate on one side of the display screen, the cleaning cotton stick is fixedly sleeved on the outer wall of the rotating shaft corresponding to the display screen, the outer wall of the cleaning cotton stick is in contact with the outer wall of the display screen, the U-shaped frame is welded on one side of the top of the display screen, the rack is welded on the outer wall of one side of the U-shaped frame bottom plate, the top of the rotating shaft is fixedly sleeved with a first gear corresponding to the rack, and the first gear is meshed with the rack.
As a further scheme of the invention: and a rain baffle is welded on the outer wall of the top end of the supporting rod.
As a further scheme of the invention: install solar panel on the top outer wall of weather shield, install two batteries on the bottom outer wall central line symmetry of weather shield.
As a further scheme of the invention: and the outer wall of the bottom end of the rain baffle on one side of the display screen is provided with an illuminating lamp.
As a further scheme of the invention: and an antenna receiver is arranged on the outer wall of one side of the display screen.
As a further scheme of the invention: and a maintenance door is rotatably arranged on the outer wall of one side of the installation box.
As a further scheme of the invention: first sliding grooves are formed in the inner walls of the two sides of the first moving block in a penetrating mode, first sliding blocks are welded to the outer wall of the first moving block corresponding to the first sliding grooves, and the outer wall of each first sliding block is attached to the inner wall of each first sliding groove.
The invention has the beneficial effects that: the lifting assembly is convenient for mounting and dismounting the display screen through the matching of the first rotating motor, the first bevel gear, the first screw rod, the second bevel gear, the first moving block, the second fixing plate and the display screen, the display screen can be maintained in time, workers are saved from climbing the support rod by using a ladder to dismount the display screen, the safety during operation is improved, the working efficiency is also improved, the labor intensity is reduced, the cleaning assembly is convenient for cleaning dust on the surface of the display screen through the matching of the second moving groove, the second screw rod, the L-shaped moving block, the second rotating motor, the rotating shaft, the cleaning cotton rod, the U-shaped frame, the first gear and the rack, the cleaning cotton rod can rotate and move while rotating, the cleaning effect is good, and the influence of the dust on the pedestrian watching the content in the display screen is effectively prevented, more practical and perfect, the antenna receiver of setting through wireless network transmission, and the change that can be timely has saved and has changed the sign in the display screen, has reduced the running cost, through the setting of solar panel and battery, and the energy has been practiced thrift in the environmental protection relatively, is worth extensively popularizing and applying.
Drawings
In order to facilitate understanding for those skilled in the art, the present invention will be further described with reference to the accompanying drawings.
FIG. 1 is a schematic view of the overall front perspective structure of the present invention;
FIG. 2 is a schematic view of an overall rear perspective structure of the present invention;
FIG. 3 is a schematic overall front cut-away configuration of the present invention;
FIG. 4 is an enlarged view of area A of FIG. 2 according to the present invention;
in the figure: 1. a base; 2. installing a box; 3. repairing the door; 4. a support bar; 5. a lifting assembly; 6. cleaning the assembly; 7. a first chute; 8. a first slider; 9. an antenna receiver; 10. a rain shield; 11. a solar panel; 12. an illuminating lamp; 13. a storage battery; 51. a first rotating electrical machine; 52. a first bevel gear; 53. a first moving slot; 54. a first lead screw; 55. a second bevel gear; 56. a first moving block; 57. a first fixing plate; 58. a second fixing plate; 59. a display screen; 61. mounting a plate; 62. a second moving slot; 63. a second lead screw; 64. an L-shaped moving block; 65. a second rotating electrical machine; 66. a rotating shaft; 67. cleaning the cotton swab; 68. a U-shaped frame; 69. a first gear; 610. a rack.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood 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.
As shown in fig. 1-4, a multifunctional intelligent sign for roads comprises a base 1, an installation box 2, a support rod 4, a lifting assembly 5 and a cleaning assembly 6, wherein the installation box 2 is fixed on the outer wall of the top end of the base 1, the support rod 4 is welded on the outer wall of the top end of the installation box 2, the lifting assembly 5 is arranged on the outer wall of the support rod 4, and the cleaning assembly 6 is arranged on the outer wall of the lifting assembly 5; the lifting assembly 5 comprises a first rotating motor 51, a first bevel gear 52, a first moving groove 53, a first lead screw 54, a second bevel gear 55, a first moving block 56, a first fixing plate 57, a second fixing plate 58 and a display screen 59, wherein the first moving groove 53 is formed on the outer wall of the support rod 4 in a penetrating manner, the first lead screw 54 is rotatably installed on the inner wall of the bottom end of the first moving groove 53 in a penetrating manner, the second bevel gear 55 is fixed on one end of the first lead screw 54 positioned in the installation box 2, the first rotating motor 51 is fixed on the inner wall of the top end of the installation box 2, the first bevel gear 52 is fixed on one end of the output shaft of the first rotating motor 51 corresponding to the second bevel gear 55, the first bevel gear 52 is meshed with the second bevel gear 55, the first moving block 56 is sleeved on the outer wall of the first lead screw 54, the first moving block 56 is in threaded connection with the first lead screw 54, the first fixing plates 57 are welded on the two sides of the first moving block 56 positioned outside the first moving groove 53, a second fixing plate 58 is arranged on the outer wall of one side of the first fixing plate 57, and a display screen 59 is arranged on the outer wall of the second fixing plate 58; the number of the first fixing plate 57, the second fixing plate 58 and the display screens 59 is two, and the two display screens 59 are opposite in installation direction, so that the display screens 59 are perfect and practical, and vehicles or pedestrians driving in different directions can see the display screens 59 conveniently; the cleaning assembly 6 comprises a mounting plate 61, a second moving groove 62, a second screw rod 63, an L-shaped moving block 64, a second rotating motor 65, a rotating shaft 66, a cleaning cotton rod 67, a U-shaped frame 68, a first gear 69 and a rack 610, the mounting plate 61 is welded on one side of the bottom of the display screen 59, the second moving groove 62 is formed in the outer wall of the top end of the mounting plate 61 in a penetrating mode, the second screw rod 63 is rotatably mounted on the inner wall between the second moving grooves 62, the L-shaped moving block 64 is sleeved on the outer wall of the second screw rod 63 and is in threaded connection with the second screw rod 63, the rotating shaft 66 is rotatably mounted on the outer wall of the bottom plate of the L-shaped moving block 64 positioned on one side of the display screen 59, the cleaning cotton rod 67 is sleeved and fixed on the outer wall of the rotating shaft 66 corresponding to the display screen 59, the outer wall of the cleaning cotton rod 67 is in contact with the outer wall of the display screen 59, the U-shaped frame 68 is welded on one side of the top of the display screen 59, a rack 610 is welded on the outer wall of one side of the bottom plate of the U-shaped frame 68, a first gear 69 is fixedly sleeved on the top end of the rotating shaft 66 corresponding to the rack 610, the first gear 69 is meshed with the rack 610, the second lead screw 63 is driven to rotate by the second rotating motor 65, the L-shaped moving block 64 is driven to move by the second lead screw 63, the rotating shaft 66 is driven to move by the L-shaped moving block 64, the cleaning cotton stick 67 is driven to move by the rotating shaft 66, meanwhile, the first gear 69 on the rotating shaft 66 is meshed with the rack 610 of the U-shaped frame 68 to drive the rotating shaft 66 to rotate, so that the cleaning cotton stick 67 is driven to rotate, the cleaning cotton stick 67 is cleaned, and dust on the display screen 59 is cleaned; the rain shield 10 is welded on the outer wall of the top end of the support rod 4, so that the wind and rain can be conveniently shielded, and when raining, pedestrians can conveniently hide under the support rod, so that the support rod is more perfect and practical; the solar panel 11 is arranged on the outer wall of the top end of the rain baffle 10, the two storage batteries 13 are symmetrically arranged in the middle line of the outer wall of the bottom end of the rain baffle 10, so that the environment is protected, the energy is saved, the electric energy generated by the solar panel 11 is stored by the storage batteries 13, and the electric energy is supplied to other equipment by the storage batteries 13, so that the rain baffle is perfect and practical; the outer wall of the bottom end of the rain baffle 10, which is positioned at one side of the display screen 59, is provided with the illuminating lamp 12, so that the rain baffle is practical and perfect, a large road can be conveniently illuminated at night, and pedestrians can more clearly see the content of the display screen 59; the antenna receiver 9 is mounted on the outer wall of one side of the display screen 59, so that the content in the display screen 59 can be conveniently and remotely changed through a wireless network technology; the maintenance door 3 is rotatably arranged on the outer wall of one side of the installation box 2, so that the first rotating motor 51 in the installation box 2 can be conveniently maintained; first spout 7 has been seted up to link up on the both sides inner wall of first shifting chute 53, and it has first slider 8 to correspond first spout 7 welding on the outer wall of first movable block 56, and the outer wall of first slider 8 and the inner wall laminating of first spout 7, makes first movable block 56 and display screen 59 remove more stably, and is more practical and perfect.
The working principle of the invention is as follows: when the display screen 59 is installed and disassembled, the first rotating motor 51 is started, the first rotating motor 51 drives the first bevel gear 52 to rotate, the first bevel gear 52 drives the second bevel gear 55 to rotate, the second bevel gear 55 rotates to drive the first lead screw 54 to rotate, the first lead screw 54 drives the first moving block 56 to move, the first moving block 56 drives the display screen 59 to move through the matching of the first fixing plate 57 and the second fixing plate 58, the display screen 59 descends to move firstly, after the installation is maintained, the display screen moves to the top of the supporting rod 4, the structure is simple, the operation is convenient, the manual ladder is not used for installing and disassembling the display screen 59, the comparison is safe and reliable, when the display screen 59 is dedusted, the second rotating motor 65 drives the second lead screw 63 to rotate, the second lead screw 63 drives the L-shaped moving block 64 to move, the L-shaped moving block 64 drives the rotating shaft 66 to move, pivot 66 drives clearance cotton swab 67 and removes, the epaxial first gear 69 of pivot 66 and the rack 610 meshing of U type frame 68 simultaneously, it is rotatory to drive pivot 66, thereby it is rotatory to drive clearance cotton swab 67, clearance cotton swab 67 and clear up the dust on the display screen 59, the steam generator is simple in structure, high durability and convenient operation, the dust clearance effect is also relatively good, the effectual dust of placing shelters from pedestrian's sight, cooperation through first spout 7 and first slider 8, it is relatively stable to make the display screen 59 reciprocate, through solar panel 11's setting, be convenient for charge battery 13, environmental protection and energy saving relatively, the antenna receiver 9 of setting, through wireless network transmission technology, can the long-range display content of changing display screen 59, relatively convenient and practical.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (9)
1. The multifunctional intelligent sign for the road is characterized by comprising a base (1), an installation box (2), a maintenance door (3), a support rod (4), a lifting assembly (5), a cleaning assembly (6), a first sliding chute (7), a first sliding block (8), an antenna receiver (9), a rain baffle (10), a solar panel (11), a lighting lamp (12) and a storage battery (13), wherein the installation box (2) is fixed on the outer wall of the top end of the base (1), the support rod (4) is welded on the outer wall of the top end of the installation box (2), the lifting assembly (5) is arranged on the outer wall of the support rod (4), and the cleaning assembly (6) is arranged on the outer wall of the lifting assembly (5);
the lifting assembly (5) comprises a first rotating motor (51), a first bevel gear (52), a first moving groove (53), a first screw rod (54), a second bevel gear (55), a first moving block (56), a first fixing plate (57), a second fixing plate (58) and a display screen (59), wherein the first moving groove (53) is formed in the outer wall of the supporting rod (4) in a penetrating mode, the first screw rod (54) is rotatably installed on the inner wall of the bottom end of the first moving groove (53) in a penetrating mode, the second bevel gear (55) is fixed to one end, located inside the installation box (2), of the first screw rod (54), the first rotating motor (51) is fixed to the inner wall of the top end of the installation box (2), the first bevel gear (52) is fixed to one end of the output shaft of the first rotating motor (51) corresponding to the second bevel gear (55), and the first bevel gear (52) is meshed with the second bevel gear (55), the outer wall of the first lead screw (54) is sleeved with a first moving block (56), the first moving block (56) is in threaded connection with the first lead screw (54), first fixing plates (57) are welded on two sides, located outside the first moving groove (53), of the first moving block (56), a second fixing plate (58) is installed on the outer wall of one side of each first fixing plate (57), and a display screen (59) is installed on the outer wall of each second fixing plate (58).
2. The multi-functional intelligent sign for roads of claim 1, wherein the number of the first fixing plate (57), the second fixing plate (58) and the display screens (59) is two, and the two display screens (59) are installed in opposite directions.
3. The multifunctional intelligent road sign according to claim 1, wherein the cleaning assembly (6) comprises a mounting plate (61), a second moving groove (62), a second lead screw (63), an L-shaped moving block (64), a second rotating motor (65), a rotating shaft (66), a cleaning cotton stick (67), a U-shaped frame (68), a first gear (69) and a rack (610), the mounting plate (61) is welded on one side of the bottom of the display screen (59), the second moving groove (62) is formed in the outer wall of the top end of the mounting plate (61) in a penetrating mode, the second lead screw (63) is rotatably mounted on the inner wall between the second moving grooves (62), the L-shaped moving block (64) is sleeved on the outer wall of the second lead screw (63) and is in threaded connection with the second lead screw (63), the rotating shaft (66) is rotatably mounted on the outer wall of the bottom plate of the L-shaped moving block (64) on one side of the display screen (59), correspond display screen (59) on the outer wall of pivot (66) and cup joint and be fixed with clearance cotton swab (67), and the outer wall contact of the outer wall of clearance cotton swab (67) and display screen (59), the welding has U type frame (68) on top one side of display screen (59), the welding has rack (610) on the outer wall of one side of U type frame (68) bottom plate, the top of pivot (66) corresponds rack (610) and cup joints and be fixed with first gear (69), and first gear (69) and rack (610) meshing.
4. The multifunctional intelligent sign for roads of claim 1, wherein a rain shield (10) is welded on the outer wall of the top end of the support rod (4).
5. The multifunctional intelligent sign for roads of claim 4, wherein the top outer wall of the rain shield (10) is provided with a solar panel (11), and the bottom outer wall of the rain shield (10) is provided with two storage batteries (13) symmetrically.
6. The multifunctional intelligent sign for roads of claim 4, wherein the outer wall of the bottom end of the rain shield (10) on one side of the display screen (59) is provided with an illuminating lamp (12).
7. The multifunctional intelligent sign for roads of claim 1, wherein an antenna receiver (9) is installed on one outer wall of the display screen (59).
8. The multifunctional intelligent sign for roads of claim 1, wherein a maintenance door (3) is rotatably installed on one side outer wall of the installation box (2).
9. The multifunctional intelligent road sign according to claim 1, wherein the inner walls of the two sides of the first moving block (53) are provided with first sliding grooves (7) in a penetrating manner, the outer wall of the first moving block (56) is welded with first sliding blocks (8) corresponding to the first sliding grooves (7), and the outer wall of each first sliding block (8) is attached to the inner wall of each first sliding groove (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110477750.8A CN113393765A (en) | 2021-04-30 | 2021-04-30 | Multi-functional intelligent sign that road was used |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110477750.8A CN113393765A (en) | 2021-04-30 | 2021-04-30 | Multi-functional intelligent sign that road was used |
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| CN113393765A true CN113393765A (en) | 2021-09-14 |
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| CN202110477750.8A Pending CN113393765A (en) | 2021-04-30 | 2021-04-30 | Multi-functional intelligent sign that road was used |
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| CN114120674A (en) * | 2021-11-19 | 2022-03-01 | 湖南警察学院 | Traffic information display device based on intelligent traffic management system control |
| CN115631620A (en) * | 2022-12-21 | 2023-01-20 | 扬州市职业大学(扬州开放大学) | Auxiliary electronic control device for traffic assistant management |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114120674A (en) * | 2021-11-19 | 2022-03-01 | 湖南警察学院 | Traffic information display device based on intelligent traffic management system control |
| CN114120674B (en) * | 2021-11-19 | 2022-12-09 | 湖南警察学院 | Traffic information display device based on intelligent traffic management system control |
| CN115631620A (en) * | 2022-12-21 | 2023-01-20 | 扬州市职业大学(扬州开放大学) | Auxiliary electronic control device for traffic assistant management |
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Application publication date: 20210914 |