CN113106899A - Crossing-preventing guardrail for road - Google Patents
Crossing-preventing guardrail for road Download PDFInfo
- Publication number
- CN113106899A CN113106899A CN202110426272.8A CN202110426272A CN113106899A CN 113106899 A CN113106899 A CN 113106899A CN 202110426272 A CN202110426272 A CN 202110426272A CN 113106899 A CN113106899 A CN 113106899A
- Authority
- CN
- China
- Prior art keywords
- rod
- top end
- connecting rod
- column
- crossing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
- E01F15/00—Safety arrangements for slowing, redirecting or stopping errant vehicles, e.g. guard posts or bollards; Arrangements for reducing damage to roadside structures due to vehicular impact
- E01F15/02—Continuous barriers extending along roads or between traffic lanes
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
- E01F9/00—Arrangement of road signs or traffic signals; Arrangements for enforcing caution
- E01F9/60—Upright bodies, e.g. marker posts or bollards; Supports for road signs
- E01F9/604—Upright bodies, e.g. marker posts or bollards; Supports for road signs specially adapted for particular signalling purposes, e.g. for indicating curves, road works or pedestrian crossings
- E01F9/615—Upright bodies, e.g. marker posts or bollards; Supports for road signs specially adapted for particular signalling purposes, e.g. for indicating curves, road works or pedestrian crossings illuminated
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
- E01F9/00—Arrangement of road signs or traffic signals; Arrangements for enforcing caution
- E01F9/60—Upright bodies, e.g. marker posts or bollards; Supports for road signs
- E01F9/658—Upright bodies, e.g. marker posts or bollards; Supports for road signs characterised by means for fixing
- E01F9/669—Upright bodies, e.g. marker posts or bollards; Supports for road signs characterised by means for fixing for fastening to safety barriers or the like
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B25/00—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems
- G08B25/01—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems characterised by the transmission medium
- G08B25/08—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems characterised by the transmission medium using communication transmission lines
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/18—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Refuge Islands, Traffic Blockers, Or Guard Fence (AREA)
Abstract
The invention relates to the technical field of guardrails, in particular to a crossing-preventing guardrail for roads, which comprises a connecting rod, wherein the inner side of the connecting rod is connected with a bottom rod, a sliding groove is formed in the inner side of the connecting rod and positioned above the bottom rod, strip-shaped grooves are formed in two ends of the connecting rod, a flash lamp is arranged at the top end of the connecting rod, a camera is arranged on one side, away from the flash lamp, of the top end of the connecting rod, a connecting column is fixed at the top end of the bottom rod, a supporting column is connected to the top end of the bottom rod and positioned on the inner side of the connecting column, an auxiliary lifting rod is arranged at. According to the invention, the servo motor and the screw rod are arranged, so that the servo motor drives the screw rod to rotate at night, the screw rod drives the main lifting rod to move upwards in the rotating process, and the main lifting rod drives the connecting frame to move upwards, thus the protection height of the device is improved, and the probability of pedestrians crossing the guardrail is reduced.
Description
Technical Field
The invention relates to the technical field of guardrails, in particular to a crossing-preventing guardrail for roads.
Background
The guardrail is mainly used for protecting and protecting personal safety and equipment facilities in occasions such as houses, roads, commercial districts, public places and the like, is visible everywhere in our lives, and has different prices per meter according to different heights.
However, the guardrail that is used for highway separation at present can't prevent effectively that the people from turning over more, leads to the safety risk to increase, and the people is behind the guardrail of turning over, collides with the motor vehicle that comes across easily, leads to turning over that the person is injured seriously, also can't make appropriate punishment to the people who turns over more and give up, leads to turning over the people that the guardrail walked the shortcut, can't receive some punishments.
Disclosure of Invention
The invention aims to solve the problems that people can not be effectively prevented from crossing over the guardrail in the prior art, the people easily collide with an oncoming motor vehicle after crossing over the guardrail and the crossing people can not be properly punished, and provide a crossing-prevention guardrail for roads.
In order to achieve the purpose, the invention adopts the following technical scheme:
the anti-crossing guardrail for the road comprises a connecting rod, wherein the inner side of the connecting rod is connected with a bottom rod, a sliding groove is formed in the inner side of the connecting rod, which is positioned above the bottom rod, strip grooves are formed in two ends of the connecting rod, a flash lamp is installed at the top end of the connecting rod, a camera is installed at one side, which is far away from the flash lamp, of the top end of the connecting rod, a connecting column is fixed at the top end of the bottom rod, a supporting column is connected at the inner side of the connecting column, an auxiliary lifting rod is arranged at the top end of the connecting column, a connecting frame is fixed at the top end of the auxiliary lifting rod, a reset plate is embedded at the top end of the connecting frame, a main lifting rod is arranged at the top end of the supporting column, a servo motor is installed inside the supporting column, a lead screw, the inner wall of recess is connected with the sleeve, the inner wall that the bottom of vice lifter is located the spliced pole is connected with flexible post, pressure sensor is installed to the inner wall of link, the bottom of the board that resets is connected with the spring, the both sides that the bottom of the board that resets is located the spring all are connected with the fore-set.
Preferably, the both ends of link all are provided with spout assorted slider, the one end in bar groove is provided with the spliced pole that runs through to the bar groove other end and link to each other with the slider.
Preferably, the camera passes through the WIFI transmitter and links to each other with database in the police station, the main lifter passes through the mount with the bottom of the board that resets and is connected.
Preferably, servo motor and lead screw pass through the pivot and rotate and be connected, servo motor passes through the mount with the inner wall of support column and is connected, the position department that main lifting rod and lead screw contacted is provided with the internal thread with lead screw assorted.
Preferably, the outer wall of the sleeve is matched with the inner wall of the groove, the auxiliary lifting rod is welded at the top end of the telescopic column, and the telescopic column is of a hollow structure.
Preferably, the pressure sensor and the flash lamp are electrically connected through a PLC (programmable logic controller), the bottom rod is of a hollow structure, a storage battery is arranged inside the bottom rod, and the storage battery inside the bottom rod is electrically connected with an external power supply.
Preferably, an electromagnetic coil is installed inside the connecting rod below the flashlight, and the storage battery inside the bottom rod is electrically connected with the electromagnetic coil inside the connecting rod.
The crossing-preventing guardrail for the road has the beneficial effects that:
1. according to the invention, the servo motor and the screw rod are arranged, so that at night, the servo motor drives the screw rod to rotate, the screw rod drives the main lifting rod to move upwards in the rotating process, and the main lifting rod drives the connecting frame to move upwards, so that the protection height of the device is improved, and the probability of a pedestrian crossing the guardrail is reduced;
2. through setting up pressure sensor and flashing light, when the pedestrian climbs the guardrail, human pressure acts on the spring through the reset plate, and the spring is compressed, and the spring drives the fore-set and moves down this moment, and after the fore-set contacted with pressure sensor, pressure sensor turned into the electrical signal with pressure signal, and carried the electrical signal to the PLC controller, and the PCL controller received the electrical signal after control flash light to flash light, with this warning past vehicle notice pedestrian, reduce the safety risk;
3. through setting up the camera, the camera can catch the long phase of the person of overtaking, increases illegal cost, reduces the luck psychology of the person of overtaking to reduce the quantity of the person of overtaking.
Drawings
Fig. 1 is a schematic structural view of a crossing prevention guardrail for roads, which is provided by the invention;
FIG. 2 is a schematic view of a servo motor for a crossing prevention guardrail for a road according to the present invention;
FIG. 3 is a schematic view of the connection between the sleeve and the groove of the anti-crossing guardrail for roads according to the present invention;
FIG. 4 is a schematic view of the connection between the auxiliary lifting rod and the connecting post of the anti-crossing guardrail for roads;
fig. 5 is a cross-sectional view of a connection frame of a crossing prevention guardrail for a road.
In the figure: 1. a connecting rod; 2. a bottom bar; 3. connecting columns; 4. a support pillar; 5. a flash lamp; 6. a connecting frame; 7. a main lifting bar; 8. a reset plate; 9. a secondary lift rod; 10. a camera; 11. a chute; 12. a strip-shaped groove; 13. connecting columns; 14. a servo motor; 15. a screw rod; 16. a groove; 17. a sleeve; 18. a telescopic column; 19. a spring; 20. a top pillar; 21. a pressure sensor.
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.
Referring to fig. 1-5, a road is with preventing strideing across guardrail, including connecting rod 1, the inboard of connecting rod 1 is connected with sill bar 2, the inboard of connecting rod 1 is located the top of sill bar 2 and is provided with spout 11, the both ends of connecting rod 1 all are provided with bar groove 12, flash lamp 5 is installed on the top of connecting rod 1, camera 10 (Q5S) is installed to one side that flash lamp 5 was kept away from on the top of connecting rod 1, the top of sill bar 2 is fixed with spliced pole 3, the top of sill bar 2 is located the inboard of spliced pole 3 and is connected with support column 4, the top of spliced pole 3 is provided with vice lift bar 9, the top of vice lift bar 9 is fixed with link 6, the top of link 6 is embedded to have reset plate 8, the top of support column 4 is provided with main lift bar 7, the internally mounted of support column 4 has servo motor 14 (42 BYGM0.9 is two-, the output of servo motor 14 rotates and is connected with the lead screw 15 that links to each other with main lifter 7, the inside of main lifter 7 is provided with recess 16, the inner wall connection of recess 16 has sleeve 17, the inner wall connection that the bottom of vice lifter 9 is located spliced pole 3 has flexible post 18, pressure sensor 21 (P140) are installed to the inner wall of link 6, the bottom of the board that resets 8 is connected with spring 19, the both sides that the bottom of the board that resets 8 is located spring 19 all are connected with fore-set 20.
Please refer to fig. 1, the two ends of the connecting frame 6 are both provided with sliding blocks matched with the sliding groove 11, one end of the strip-shaped groove 12 is provided with a connecting column 13 penetrating to the other end of the strip-shaped groove 12 and connected with the sliding blocks, so that the connecting frame 6 can move up and down inside the sliding groove 11 conveniently, and the connecting column 13 can prevent the sliding blocks on the inner wall of the sliding groove 11 from loosening or separating, so that the whole device can be kept in a horizontal state after being used for a long time.
Please refer to fig. 1, the camera 10 is connected to a database in the police station through a WIFI transmitter, and the main lifting bar 7 is connected to the bottom end of the reset plate 8 through a fixing frame, so that the camera 10 captures a photo of an offender and transmits the photo of the offender to the police station, and the offender is uniformly arranged by the police station and is punished by corresponding violations.
Please refer to fig. 2, the servo motor 14 is rotatably connected to the lead screw 15 through a rotating shaft, the servo motor 14 is connected to the inner wall of the supporting column 4 through a fixing frame, an internal thread matched with the lead screw 15 is arranged at a position where the main lifting rod 7 contacts with the lead screw 15, so that the servo motor 14 drives the lead screw 15 to rotate, the servo motor 14 is fixed by the fixing frame in a rotating process, the servo motor 14 can be effectively prevented from shaking, and the main lifting rod 7 can move up and down under the action of the internal thread in the rotating process of the lead screw 15.
Please refer to fig. 3 and 4, the outer wall of the sleeve 17 fits the inner wall of the groove 16, the auxiliary lifting rod 9 is welded at the top end of the telescopic column 18, the telescopic column 18 is a hollow structure, so that the sleeve 17 is conveniently clamped on the inner wall of the groove 16, the telescopic column 18 can slide up and down on the inner wall of the connecting column when the auxiliary lifting rod 9 is lifted up or down, and the sleeve 17 moves on the inner wall of the groove 16 under the action of gravity and pressure when the main lifting rod 7 moves up and down.
Please refer to fig. 1 and 5, the pressure sensor 21 is electrically connected to the flash lamp 5 through a PLC controller, the bottom rod 2 is hollow, a storage battery is installed inside the bottom rod 2, the storage battery inside the bottom rod 2 is electrically connected to an external power source, so that when the pressure sensor 21 receives a predetermined pressure, the pressure sensor 21 converts the pressure signal into an electrical signal and transmits the electrical signal to the PLC controller, the PLC controller controls the flash lamp 5 to flash after receiving the electrical signal, and the storage battery inside the bottom rod 2 can transmit the power of the external power source to the device.
Please refer to fig. 1, an electromagnetic coil is installed inside the connecting rod 1 below the flash lamp 5, the battery inside the bottom rod 2 is electrically connected with the electromagnetic coil inside the connecting rod 1, so that the electromagnetic coil can generate a corresponding magnetic field after being electrified, and a corresponding sensor in the automobile can send an alarm after sensing the magnetic field, thereby reducing the accident rate.
When the crossing-preventing guardrail is used specifically, at night, the servo motor 14 is controlled to operate through a switch, the servo motor 14 drives the screw rod 15 to rotate through the rotating shaft, at the moment, under the action of internal threads inside the main lifting rod 7, the main lifting rod 7 moves upwards, meanwhile, the sleeve 17 on the inner wall of the groove 16 is kept stationary under the action of gravity, the sleeve 17 shields the screw rod 15, the main lifting rod 7 drives the connecting frame 6 to move upwards in the lifting process, the connecting frame 6 drives the auxiliary lifting rod 9 to move upwards, the auxiliary lifting rod 9 drives the telescopic column 18 to slide on the inner wall of the connecting column 3 until the connecting frame 6 reaches a preset height, the connecting frame 6 drives the sliding blocks at two ends of the connecting frame 6 to slide on the inner wall of the sliding groove 11 and drives the connecting column 13 to slide on the inner wall of the strip-shaped groove 12, and when a pedestrian crosses the guardrail, human pressure acts on spring 19 through restoring plate 8, and spring 19 is compressed, and the board 8 that restores to the throne this moment drives the fore-set 20 downstream, and after the fore-set 20 contacted with pressure sensor 21, pressure sensor 21 turned into the signal of telecommunication with pressure signal to carry the signal of telecommunication to the PLC controller, the PCL controller received behind the signal of telecommunication control flash light 5 and carries out the scintillation, notices the pedestrian with this passing vehicle.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (7)
1. The utility model provides a road is with preventing strideing across guardrail, includes connecting rod (1), its characterized in that: the inner side of the connecting rod (1) is connected with a bottom rod (2), the inner side of the connecting rod (1) is arranged above the bottom rod (2) and is provided with a sliding groove (11), the two ends of the connecting rod (1) are respectively provided with a strip-shaped groove (12), the top end of the connecting rod (1) is provided with a flash lamp (5), one side of the top end of the connecting rod (1), which is far away from the flash lamp (5), is provided with a camera (10), the top end of the bottom rod (2) is fixed with a connecting column (3), the top end of the bottom rod (2) is arranged on the inner side of the connecting column (3) and is connected with a support column (4), the top end of the connecting column (3) is provided with an auxiliary lifting rod (9), the top end of the auxiliary lifting rod (9) is fixed with a connecting frame (6), the top end of the connecting frame (6) is, the internally mounted of support column (4) has servo motor (14), the output of servo motor (14) is rotated and is connected with lead screw (15) that link to each other with main lifting rod (7), the inside of main lifting rod (7) is provided with recess (16), the inner wall connection of recess (16) has sleeve (17), the inner wall that the bottom of vice lifting rod (9) is located spliced pole (3) is connected with flexible post (18), pressure sensor (21) are installed to the inner wall of link (6), the bottom of board that resets (8) is connected with spring (19), the both sides that the bottom of board that resets (8) is located spring (19) all are connected with fore-set (20).
2. The road anti-crossing guardrail according to claim 1, wherein two ends of the connecting frame (6) are respectively provided with a sliding block matched with the sliding groove (11), and one end of the strip-shaped groove (12) is provided with a connecting column (13) which penetrates through the other end of the strip-shaped groove (12) and is connected with the sliding block.
3. The road anti-crossing guardrail of claim 1, wherein the camera (10) is connected with an in-police database through a WIFI transmitter, and the main lifting rod (7) is connected with the bottom end of the reset plate (8) through a fixing frame.
4. The road anti-crossing guardrail according to claim 1, wherein the servo motor (14) is rotatably connected with a screw rod (15) through a rotating shaft, the servo motor (14) is connected with the inner wall of the supporting column (4) through a fixing frame, and an internal thread matched with the screw rod (15) is arranged at the position where the main lifting rod (7) is contacted with the screw rod (15).
5. A road anti-crossing guardrail according to claim 1, characterized in that the outer wall of the sleeve (17) is matched with the inner wall of the groove (16), the auxiliary lifting rod (9) is welded at the top end of the telescopic column (18), and the telescopic column (18) is of a hollow structure.
6. The road anti-crossing guardrail according to claim 1, wherein the pressure sensor (21) is electrically connected with the flash lamp (5) through a PLC (programmable logic controller), the bottom rod (2) is hollow, a storage battery is installed inside the bottom rod (2), and the storage battery inside the bottom rod (2) is electrically connected with an external power supply.
7. The crossing prevention guardrail for the roads as claimed in claim 1 or claim 6, wherein an electromagnetic coil is installed inside the connecting rod (1) below the flash lamp (5), and the storage battery inside the bottom rod (2) is electrically connected with the electromagnetic coil inside the connecting rod (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110426272.8A CN113106899A (en) | 2021-04-20 | 2021-04-20 | Crossing-preventing guardrail for road |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110426272.8A CN113106899A (en) | 2021-04-20 | 2021-04-20 | Crossing-preventing guardrail for road |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113106899A true CN113106899A (en) | 2021-07-13 |
Family
ID=76718902
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110426272.8A Pending CN113106899A (en) | 2021-04-20 | 2021-04-20 | Crossing-preventing guardrail for road |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113106899A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113958913A (en) * | 2021-11-12 | 2022-01-21 | 重庆交通大学 | Solar bridge lamp with cleaning and cooling functions and method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205822073U (en) * | 2016-07-23 | 2016-12-21 | 杨斗华 | Green route guardrail |
| CN106869059A (en) * | 2017-04-13 | 2017-06-20 | 全南县彩美达科技发展有限公司 | A kind of safe and reliable guard rail |
| CN109457642A (en) * | 2018-12-06 | 2019-03-12 | 甘肃凯迪新能源科技有限公司 | A kind of lifting fence for municipal works |
| CN211340585U (en) * | 2019-11-13 | 2020-08-25 | 常州市万隆节能交通科技有限公司 | Liftable traffic guardrail |
| CN211691786U (en) * | 2019-09-09 | 2020-10-16 | 高秀荣 | Warning guardrail for landscape |
-
2021
- 2021-04-20 CN CN202110426272.8A patent/CN113106899A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205822073U (en) * | 2016-07-23 | 2016-12-21 | 杨斗华 | Green route guardrail |
| CN106869059A (en) * | 2017-04-13 | 2017-06-20 | 全南县彩美达科技发展有限公司 | A kind of safe and reliable guard rail |
| CN109457642A (en) * | 2018-12-06 | 2019-03-12 | 甘肃凯迪新能源科技有限公司 | A kind of lifting fence for municipal works |
| CN211691786U (en) * | 2019-09-09 | 2020-10-16 | 高秀荣 | Warning guardrail for landscape |
| CN211340585U (en) * | 2019-11-13 | 2020-08-25 | 常州市万隆节能交通科技有限公司 | Liftable traffic guardrail |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113958913A (en) * | 2021-11-12 | 2022-01-21 | 重庆交通大学 | Solar bridge lamp with cleaning and cooling functions and method |
| CN113958913B (en) * | 2021-11-12 | 2024-05-03 | 重庆交通大学 | Solar bridge lamp with cleaning and cooling functions and method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US5735492A (en) | Railroad crossing traffic warning system apparatus and method therefore | |
| US5954299A (en) | Railroad crossing traffic warning system apparatus and method therefore | |
| US7471213B2 (en) | Emergency response warning system | |
| AU2013101353A4 (en) | Improvements to Pedestrian Crossings | |
| CN209037591U (en) | A kind of semaphore at novel unattended road junction | |
| CN104900076A (en) | Traffic safety warning system for level crossing with no signal lamp on main trunk road and auxiliary truck road | |
| CN113106899A (en) | Crossing-preventing guardrail for road | |
| CN212624423U (en) | Curve meeting early warning feedback system | |
| CA2533313A1 (en) | Railroad grade crossing assembly | |
| CN212835148U (en) | Road safety guardrail with prompt and alarm functions | |
| EP2958094A1 (en) | Stand-alone illuminated signalling device for pedestrian crossings | |
| CN215265090U (en) | Road abnormal event detection and light warning device based on wireless networking | |
| CN215006964U (en) | Underground garage vehicle passageway reminding device | |
| CN211773125U (en) | Intelligent transportation safety barrier | |
| CN205564051U (en) | Underground parking garage access & exit safety warning device | |
| CN213339109U (en) | Pedestrian crossing telescopic belt associated with signal lamp | |
| WO2001097197A1 (en) | Hazard lighting | |
| KR102602535B1 (en) | Safety management system for public parking lot | |
| CN209912137U (en) | Device for warning motor vehicle avoidance by pedestrian through sidewalk | |
| CN206130852U (en) | Guardrail streetlamp | |
| CN206628092U (en) | A kind of road hazard alarming device | |
| CN213773088U (en) | Vehicle barrier gate passing system with smash-proof function | |
| CN209428993U (en) | A kind of municipal construction warning sign | |
| CN219450549U (en) | Intelligent signal rack for intelligent expressway guardrail | |
| CN209024992U (en) | A kind of synchronous intelligent warning lamp |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210713 |
|
| RJ01 | Rejection of invention patent application after publication |