CN113622343A - Guardrail with night prompting function for expressway - Google Patents
Guardrail with night prompting function for expressway Download PDFInfo
- Publication number
- CN113622343A CN113622343A CN202111018456.7A CN202111018456A CN113622343A CN 113622343 A CN113622343 A CN 113622343A CN 202111018456 A CN202111018456 A CN 202111018456A CN 113622343 A CN113622343 A CN 113622343A
- Authority
- CN
- China
- Prior art keywords
- guardrail
- shell
- steel
- integrated control
- housing
- 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.)
- Withdrawn
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Classifications
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- 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
- E01F15/08—Continuous barriers extending along roads or between traffic lanes essentially made of walls or wall-like elements ; Cable-linked blocks
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- 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
- E01F9/608—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 for guiding, warning or controlling traffic, e.g. delineator posts or milestones
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- 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
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- 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
- G08B25/10—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 wireless transmission systems
Abstract
The invention discloses a guardrail with night prompting function for an expressway, which comprises: the guardrail comprises a guardrail shell and fixing columns arranged at the bottom of the guardrail shell, wherein the fixing columns are welded with the guardrail shell; the controller shell is arranged at the upper end of the outer part of the guardrail shell, the controller shell is fixedly connected with the guardrail shell, and an integrated control mainboard and a 4G/5G network module are installed in the controller shell; the air vent is arranged on one side of the front end outside the guardrail shell, and a wind wheel is arranged inside the air vent; the guardrail comprises a guardrail shell, a steel frame, a steel cable and a steel cable, wherein the steel frame is arranged inside the guardrail shell, the guardrail shell is fixedly connected with the steel frame, a steel plate and the steel cable are arranged in the middle of the inside of the steel frame and are arranged on two sides of the steel plate, and one end of the steel cable penetrates through the steel cable and extends to the outside of the guardrail shell; rotate through the wind wheel, aerogenerator generates electricity to supply the guardrail to use, the outside LED lamp strip of guardrail sends the light at night, plays the suggestion effect.
Description
Technical Field
The invention relates to the technical field of traffic safety protection, in particular to a guardrail with a night prompting function for an expressway.
Background
An expressway, referred to as a highway for short, is a highway dedicated for high-speed driving of automobiles. Highways have different regulations in different countries, times and scientific research and academic fields. According to the regulations of Chinese Highway engineering technical Standard: the highway is a multi-lane highway which is specially used for cars to drive in different directions and lanes and completely control the entrance and exit. The highway guardrail is a main form of a semi-rigid guardrail and is a continuous structure formed by splicing corrugated steel guardrail plates and supporting the corrugated steel guardrail plates by main columns. The vehicle can absorb energy when colliding, is not easy to be collided, and can well protect the vehicle and the driver and passengers.
However, the existing warning sign installation device has some defects: the two sides of most of highways do not have the street lamps and the lighting system, and vehicles at night completely depend on the lamps for lighting, and the reflective strips on the surface of the guardrail are not obvious enough, so that the guardrail is not easy to be perceived by drivers, and has potential safety hazards.
Disclosure of Invention
An object of the present invention is to solve at least the above problems and to provide at least the advantages described later.
The invention also aims to provide the guardrail with the night prompting function for the expressway, which not only realizes the prompting effect on the expressway path at night, but also increases the rescue function and the accident warning function, so that the rescue terminal can receive the accident information at the first time when an accident occurs, and the warning lamp is started to send out the warning prompt to prevent other vehicles coming and going from being damaged.
In order to achieve the above objects and other objects, the present invention adopts the following technical solutions:
a guardrail with night prompt function for a highway comprises:
the guardrail comprises a guardrail shell and fixing columns arranged at the bottom of the guardrail shell, wherein the fixing columns are welded with the guardrail shell;
the controller shell is arranged at the upper end outside the guardrail shell and fixedly connected with the guardrail shell, an integrated control mainboard and a 4G/5G network module are installed inside the controller shell, and the integrated control mainboard is electrically connected with the 4G/5G network module;
the air vents are formed in one side of the front end of the outer portion of the guardrail shell, the guardrail shell penetrates through the air vents, four air vents are formed in the air vents, and wind wheels are mounted inside the air vents and are rotatably connected with the guardrail shell;
the guardrail comprises a guardrail shell, a steel frame, a steel plate and a steel frame, wherein the steel frame is arranged inside the guardrail shell, the guardrail shell is fixedly connected with the steel frame, the steel plate is arranged in the middle of the inside of the steel frame, and the steel plate is welded with the steel frame;
the steel cable, its setting is in the both sides of steel sheet, and steel cable and steel sheet fixed connection, the outside that runs through and extend to the guardrail shell of one end of steel cable.
The battery compartment is arranged on one side of the front end of the guardrail shell, and a storage battery and an inverter are arranged in the battery compartment.
Preferably, a wind driven generator is mounted inside the fixed column, the wind driven generator is connected with the fixed column through a motor fixing support, the wind wheel is electrically connected with the input end of the wind driven generator, the output end of the wind driven generator is electrically connected with the input end of the storage battery, and the output end of the storage battery is electrically connected with the input end of the inverter.
Preferably, an LED lamp strip and a buffer pad are installed on one side of the front end outside the guardrail shell, the LED lamp strip and the buffer pad are fixedly connected with the guardrail shell, and the input end of the LED lamp strip is electrically connected with the output end of the integrated control mainboard.
Preferably, a reflector is installed on one side of the front end outside the buffer pad, and the reflector is fixedly connected with the buffer pad.
Preferably, collision inductor and slope inductor are installed to one side of the inside rear end of guardrail shell, collision inductor is connected through first mount with the guardrail shell, the slope inductor passes through the second mount with the guardrail shell and is connected, collision inductor and slope inductor's output and the input electric connection of integrated control mainboard.
Preferably, photosensitive switch and infrared signal transceiver are installed to one side of the outside upper end of controller shell, photosensitive switch and infrared signal transceiver and controller shell fixed connection, and photosensitive switch and infrared signal transceiver's output and the input electric connection of integrated control mainboard.
Preferably, the lamp stand is all installed to the both sides of the outside upper end of guardrail shell, and lamp stand and guardrail shell fixed connection, the warning light is installed to one side of lamp stand upper end, warning light and lamp stand fixed connection, and the input of warning light and the output electric connection of integrated control mainboard.
Preferably, the externally mounted of steel cable has damping spring, and damping spring is located the inside one end and the steel sheet fixed connection of guardrail shell, the ring flange is installed to the one end that the steel cable is located the guardrail shell outside, and ring flange and steel cable and damping spring fixed connection.
Preferably, a fixed base is installed on one side of the lower end of the fixed column, the fixed base is connected with the fixed column in a welded mode, a conical column is installed on one side of the lower end of the fixed base, and the conical column is connected with the fixed base in a welded mode.
The invention at least comprises the following beneficial effects:
1. according to the invention, the wind wheel is arranged in the ventilation hole, when an air flow generated by a vehicle or weather blows the wind wheel, the wind wheel rotates, mechanical energy is converted into electric energy through the wind driven generator, the electric energy is transmitted to the storage battery through a circuit and stored, when an electric element needs to use the electric energy, direct current in the storage battery is converted into alternating current through the inverter, one side of the upper end of the outer part of the controller shell is provided with the photosensitive switch, when the guardrail enters night, the photosensitive switch detects that no sunlight irradiates, signals are transmitted to the integrated control mainboard, the LED lamp bar is turned on through the integrated control mainboard, the storage battery supplies power to the LED lamp bar through the inverter, and the LED lamp bar emits bright light, so that the visibility of the guardrail shell at night is improved, thereby playing a prompting role and reducing risks caused by light difference at night.
2. According to the invention, the inclined sensor and the collision sensor are arranged on one side of the rear end inside the guardrail shell, when a vehicle collides the guardrail shell, the inclined sensor and the collision sensor detect an accident, data are converted into signals and transmitted to the integrated control mainboard, the integrated control mainboard starts the warning lamp, the integrated control mainboard transmits the accident signals to the rescue terminal through the 4G/5G network module to send out rescue signals, meanwhile, the 4G/5G network module transmits the signals to the adjacent guardrails through the network and starts the warning lamp on the top of the adjacent guardrail, on one hand, the warning effect on other vehicles is achieved, and on the other hand, the rescue personnel can find the accident site more conveniently through the light of the warning lamp.
3. According to the invention, the infrared signal transmitting and receiving device is arranged at the upper end of the controller shell, when a vehicle passes through the guardrail shell, the infrared signal transmitting and receiving device transmits and receives signals, and when the vehicle passes through the guardrail shell, the infrared signal transmitting and receiving device transmits the signals to the integrated control mainboard, the integrated control mainboard starts the LED lamp bar and simultaneously transmits the signals to the adjacent guardrail shell through the 4G/5G network module, so that the LED lamp bar is lightened by the guardrail shell in the vehicle driving direction for prompting, and when the infrared signal transmitting and receiving device detects that no vehicle passes through for a long time, the power supply to the LED lamp bar is reduced through the integrated control mainboard, and the power consumption is reduced.
4. According to the invention, the steel frame is arranged in the guardrail shell, when the guardrail shell is collided, the steel material of the steel frame protects the guardrail shell body, the impact force generated by collision pushes the guardrail shell, the damping spring is stretched to generate deformation under the action of the impact force to absorb the action force, and meanwhile, the steel cable resists the impact force through the excellent mechanical strength of the steel cable, so that the impact force is weakened, and the injury of accidents to vehicles and drivers is reduced.
Drawings
FIG. 1 is an overall perspective view provided by the present invention;
FIG. 2 is a front view of the internal structure of the guardrail housing provided by the present invention;
FIG. 3 is a rear view of the internal structure of the guardrail housing provided by the present invention;
FIG. 4 is a side view of the external structure of the guardrail housing provided by the present invention;
fig. 5 is a partially enlarged view of the area a in fig. 2 according to the present invention.
Detailed Description
The present invention is described in detail below with reference to the attached drawings so that those skilled in the art can implement the invention by referring to the description.
As shown in fig. 1 to 5, a guardrail for an expressway having a night vision function includes:
The controller shell 11 is arranged at the upper end of the outer part of the guardrail shell 1, the controller shell 11 is fixedly connected with the guardrail shell 1, an integrated control mainboard 15 and a 4G/5G network module 16 are installed inside the controller shell 11, and the integrated control mainboard 15 is electrically connected with the 4G/5G network module 16;
the four ventilation holes 4 penetrate through the guardrail shell 1, wind wheels 5 are installed inside the ventilation holes 4, and the wind wheels 5 are rotatably connected with the guardrail shell 1;
the guardrail comprises a guardrail shell 1, a steel frame 19, a steel plate 20 and a steel frame 19, wherein the steel frame 19 is arranged inside the guardrail shell 1, the guardrail shell 1 is fixedly connected with the steel frame 19, the steel plate 20 is arranged in the middle of the inside of the steel frame 19, and the steel plate 20 is welded with the steel frame 19;
and the steel cables 21 are arranged on two sides of the steel plate 20, the steel cables 21 are fixedly connected with the steel plate 20, and one ends of the steel cables 21 penetrate through and extend to the outside of the guardrail shell 1.
And a battery compartment 28 which is arranged at one side of the front end inside the guardrail housing 1, wherein the battery 17 and the inverter 18 are arranged inside the battery compartment 28.
In the above scheme, when the guardrail housing 1 is collided, the steel material of the steel frame 19 protects the guardrail housing 1 body, and the steel cables 21 inside the guardrail housings 1 are connected with each other, so that the whole impact resistance is improved.
In a preferred scheme, the wind driven generator 30 is installed inside the fixed column 2, the wind driven generator 30 is connected with the fixed column 2 through the motor fixing support 27, the wind wheel 5 is electrically connected with the input end of the wind driven generator 30, the output end of the wind driven generator 30 is electrically connected with the input end of the storage battery 17, and the output end of the storage battery 17 is electrically connected with the input end of the inverter 18.
In the above scheme, when the wind wheel 5 is blown by the air flow generated by the passing of vehicles or the weather, the wind wheel 5 rotates, the mechanical energy is converted into electric energy through the wind driven generator 30, the electric energy is transmitted to the storage battery 17 through a line for storage, and when the electric energy is needed to be used by electric elements, the direct current in the storage battery 17 is converted into alternating current through the inverter 18, so that the elements inside the guardrail shell 1 are powered.
In an optimal scheme, LED lamp strip 8 and buffer pad 6 are installed to one side of the outside front end of guardrail housing 1, and LED lamp strip 8 and buffer pad 6 and guardrail housing 1 fixed connection, the input of LED lamp strip 8 and the output electric connection of integrated control mainboard 15.
In above-mentioned scheme, when getting into night, photosensitive switch detects not have sunshine, gives the integrated control mainboard with signal transmission, opens LED lamp strip through the integrated control mainboard, and the battery passes through the dc-to-ac converter and is LED lamp strip power supply, sends the light through LED lamp strip for the guardrail shell improves at night visibility, thereby plays the prompt action, reduces night light poor, the low risk of bringing of visibility.
In a preferred scheme, a reflecting plate 7 is installed on one side of the outer front end of the cushion pad 6, and the reflecting plate 7 is fixedly connected with the cushion pad 6.
In the above scheme, when reflector 7 makes vehicle light shine guardrail shell 1 at night, reflector 7 reflects light to make the driver observe the guardrail more easily night, improved guardrail shell 1's suggestion effect, blotter 6 plays the buffering effect, promotes guardrail shell 1's buffer capacity, plays the guard action to the electrical components of guardrail shell 1 inside simultaneously.
In a preferred scheme, collision inductor 23 and slope inductor 25 are installed to one side of guardrail shell 1 inside rear end, and collision inductor 23 is connected through first mount 24 with guardrail shell 1, and slope inductor 25 is connected through second mount 26 with guardrail shell 1, and collision inductor 23 and the output of slope inductor 25 and the input electric connection of integrated control mainboard 15.
In the above scheme, when the vehicle causes the collision to guardrail housing 1, slope inductor 25 and collision inductor 23 detect the accident, convert data into signal transmission and give integrated control mainboard 15, integrated control mainboard 15 starts warning light 10, integrated control mainboard 15 conveys accident signal to the rescue terminal through 4G/5G network module, send the rescue signal, simultaneously, when the driver meets the difficulty at night and needs the rescue, hit guardrail housing 1 and hit, collision inductor 23 detects the impact force, integrated control mainboard 15 conveys the signal to the rescue terminal through 4G/5G network module, thereby reach the effect of rescue information transfer.
In a preferred scheme, a photosensitive switch 12 and an infrared signal transmitting and receiving device 13 are installed on one side of the upper end of the exterior of the controller shell 11, the photosensitive switch 12 and the infrared signal transmitting and receiving device 13 are fixedly connected with the controller shell 11, and the output ends of the photosensitive switch 12 and the infrared signal transmitting and receiving device 13 are electrically connected with the input end of the integrated control mainboard 15.
In the above scheme, during night, photosensitive switch 12 detects that there is not sunshine, give integrated control mainboard 15 with signal transmission, integrated control mainboard 15 opens infrared signal transceiver 13, when the vehicle passes through guardrail housing 1, infrared signal transceiver 13 transmits and receives the signal, it has the vehicle to pass through to detect, infrared signal transceiver 13 gives integrated control mainboard 15 with signal transmission, integrated control mainboard 15 starts LED lamp strip 8 simultaneously with signal transmission for adjacent guardrail housing 1 through 4G 5G network module, thereby make the guardrail housing 1 of vehicle traffic direction light LED lamp strip 8 for the suggestion, when infrared signal transceiver 13 detects that no vehicle passes through for a long time, reduce the power supply to LED lamp strip 8 through integrated control mainboard 15, reduce power consumption.
In an optimal scheme, lamp stand 9 is all installed to the both sides of the outside upper end of guardrail shell 1, and lamp stand 9 and 1 fixed connection of guardrail shell, and warning light 10 is installed to one side of lamp stand 9 upper end, warning light 10 and 9 fixed connection of lamp stand, and the input of warning light 10 and the output electric connection of integrated control mainboard 15.
In the above scheme, when the accident happens, 4G/5G network module transmits the signal to adjacent guardrail through the network, and integrated control mainboard 15 receives the signal, starts warning light 10 at the top of adjacent guardrail, on the one hand, plays the warning effect to other vehicles, and on the other hand, light through warning light 10 makes that the rescue personnel can be more convenient find the accident site to warning effect and rescue speed have been improved.
In a preferred scheme, a damping spring 22 is installed on the outer portion of the steel cable 21, one end of the damping spring 22 located inside the guardrail housing 1 is fixedly connected with the steel plate 20, a flange 14 is installed on one end of the steel cable 21 located outside the guardrail housing 1, and the flange 14 is fixedly connected with the steel cable 21 and the damping spring 22.
In above-mentioned scheme, damping spring 22 is stretched at the effort of impact force and is produced deformation, absorbs the effort, and simultaneously, steel cable 21 resists the impact force through its own excellent mechanical strength to weaken the impact force, and then reduce the injury that the accident caused vehicle and driver, ring flange 14 makes adjacent guardrail housing 1 connect more stably, firmly.
In a preferred scheme, unable adjustment base 3 is installed to one side of fixed column 2 lower extreme, and unable adjustment base 3 and fixed column 2 welded connection, and conical column 29 is installed to one side of unable adjustment base 3 lower extreme, and conical column 29 and unable adjustment base 3 welded connection.
In above-mentioned scheme, when installation fixed column 2, insert the awl post 29 underground to make awl post 29 play the effect of the stability when reinforcing guardrail shell 1 installation, unable adjustment base 3 has increased the area of contact on fixed column 2 and ground, has improved stability, the installation of being convenient for.
While embodiments of the invention have been described above, it is not limited to the applications set forth in the description and the embodiments, which are fully applicable in various fields of endeavor to which the invention pertains, and further modifications may readily be made by those skilled in the art, it being understood that the invention is not limited to the details shown and described herein without departing from the general concept defined by the appended claims and their equivalents.
Claims (9)
1. The utility model provides a highway is with guardrail that has prompt facility night which characterized in that includes:
the guardrail comprises a guardrail shell and fixing columns arranged at the bottom of the guardrail shell, wherein the fixing columns are welded with the guardrail shell;
the controller shell is arranged at the upper end outside the guardrail shell and fixedly connected with the guardrail shell, an integrated control mainboard and a 4G/5G network module are installed inside the controller shell, and the integrated control mainboard is electrically connected with the 4G/5G network module;
the air vents are formed in one side of the front end of the outer portion of the guardrail shell, the guardrail shell penetrates through the air vents, four air vents are formed in the air vents, and wind wheels are mounted inside the air vents and are rotatably connected with the guardrail shell;
the guardrail comprises a guardrail shell, a steel frame, a steel plate and a steel frame, wherein the steel frame is arranged inside the guardrail shell, the guardrail shell is fixedly connected with the steel frame, the steel plate is arranged in the middle of the inside of the steel frame, and the steel plate is welded with the steel frame;
the steel cable, its setting is in the both sides of steel sheet, and steel cable and steel sheet fixed connection, the outside that runs through and extend to the guardrail shell of one end of steel cable.
The battery compartment is arranged on one side of the front end of the guardrail shell, and a storage battery and an inverter are arranged in the battery compartment.
2. The guardrail with the night prompting function for the expressway of claim 1, wherein a wind driven generator is mounted inside the fixed column, the wind driven generator is connected with the fixed column through a motor fixing support, the wind wheel is electrically connected with an input end of the wind driven generator, an output end of the wind driven generator is electrically connected with an input end of a storage battery, and an output end of the storage battery is electrically connected with an input end of an inverter.
3. The guardrail with the night prompting function for the expressway of claim 1, wherein an LED light bar and a buffer pad are mounted on one side of the front end outside the guardrail housing, the LED light bar and the buffer pad are fixedly connected with the guardrail housing, and the input end of the LED light bar is electrically connected with the output end of the integrated control mainboard.
4. The guardrail for a highway according to claim 3 having a night vision function, wherein a reflector is installed at one side of the outer front end of the buffering pad.
5. The guardrail with the night prompting function for the expressway of claim 1, wherein a collision sensor and an inclination sensor are mounted on one side of the rear end inside the guardrail housing, the collision sensor is connected with the guardrail housing through a first fixing frame, the inclination sensor is connected with the guardrail housing through a second fixing frame, and output ends of the collision sensor and the inclination sensor are electrically connected with an input end of the integrated control mainboard.
6. The guardrail with the night prompting function for the expressway of claim 1, wherein a photosensitive switch and an infrared signal transmitter-receiver are mounted on one side of the outer upper end of the controller housing, the photosensitive switch and the infrared signal transmitter-receiver are fixedly connected with the controller housing, and the output ends of the photosensitive switch and the infrared signal transmitter-receiver are electrically connected with the input end of the integrated control mainboard.
7. The guardrail with the night prompting function for the expressway of claim 1, wherein lamp holders are mounted on both sides of the upper end of the outer part of the guardrail shell, a warning lamp is mounted on one side of the upper end of the lamp holder, the warning lamp is fixedly connected with the lamp holder, and the input end of the warning lamp is electrically connected with the output end of the integrated control mainboard.
8. The guardrail with the night prompting function for the expressway of claim 1, wherein a damping spring is mounted on the outer portion of the steel cable, one end of the damping spring, which is located inside the guardrail housing, is fixedly connected with the steel plate, and a flange is mounted on one end of the steel cable, which is located outside the guardrail housing.
9. The guardrail with the night prompting function for the expressway of claim 1, wherein a fixing base is installed on one side of the lower end of the fixing post, the fixing base is connected with the fixing post in a welding manner, and a conical post is installed on one side of the lower end of the fixing base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111018456.7A CN113622343A (en) | 2021-09-01 | 2021-09-01 | Guardrail with night prompting function for expressway |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111018456.7A CN113622343A (en) | 2021-09-01 | 2021-09-01 | Guardrail with night prompting function for expressway |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113622343A true CN113622343A (en) | 2021-11-09 |
Family
ID=78388681
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111018456.7A Withdrawn CN113622343A (en) | 2021-09-01 | 2021-09-01 | Guardrail with night prompting function for expressway |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113622343A (en) |
-
2021
- 2021-09-01 CN CN202111018456.7A patent/CN113622343A/en not_active Withdrawn
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| 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 | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20211109 |
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| WW01 | Invention patent application withdrawn after publication |