CN112796565A - Early warning monitoring device for construction of highway traffic engineering - Google Patents

Early warning monitoring device for construction of highway traffic engineering Download PDF

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Publication number
CN112796565A
CN112796565A CN202110103683.3A CN202110103683A CN112796565A CN 112796565 A CN112796565 A CN 112796565A CN 202110103683 A CN202110103683 A CN 202110103683A CN 112796565 A CN112796565 A CN 112796565A
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China
Prior art keywords
sub
guardrail
position sensor
driving wheel
connecting frame
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Granted
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CN202110103683.3A
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Chinese (zh)
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CN112796565B (en
Inventor
刘强
刘范德
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Individual
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Individual
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    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
    • E04H17/00—Fencing, e.g. fences, enclosures, corrals
    • E04H17/14—Fences constructed of rigid elements, e.g. with additional wire fillings or with posts
    • E04H17/16—Fences constructed of rigid elements, e.g. with additional wire fillings or with posts using prefabricated panel-like elements, e.g. wired frames
    • E04H17/18—Corrals, i.e. easily transportable or demountable enclosures
    • 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
    • E01F13/00—Arrangements for obstructing or restricting traffic, e.g. gates, barricades ; Preventing passage of vehicles of selected category or dimensions
    • E01F13/02—Arrangements for obstructing or restricting traffic, e.g. gates, barricades ; Preventing passage of vehicles of selected category or dimensions free-standing; portable, e.g. for guarding open manholes ; Portable signs or signals specially adapted for fitting to portable barriers
    • 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
    • E01F9/30—Arrangements interacting with transmitters or receivers otherwise than by visible means, e.g. using radar reflectors or radio transmitters
    • 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
    • G08G—TRAFFIC CONTROL SYSTEMS
    • G08G1/00—Traffic control systems for road vehicles
    • G08G1/01—Detecting movement of traffic to be counted or controlled
    • G08G1/017—Detecting movement of traffic to be counted or controlled identifying vehicles
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]

Abstract

The application relates to an early warning monitoring device for construction of highway traffic engineering. The early warning monitoring device for the construction of the road traffic engineering comprises two movable guardrails, a connecting frame, a first sub-guardrail, a second sub-guardrail, a first position sensor, a second position sensor, a controller, a first driving wheel and a second driving wheel. The two movable guardrails are arranged at intervals along the length direction of the bridge to surround the construction area. The first position sensor and the second position sensor are respectively arranged at one ends, far away from the connecting frame, of the first sub-guardrails and the second sub-guardrails and are respectively used for sensing the positions of constructors on two sides of a construction area. The first position sensor and the second position sensor are arranged along the width direction of the bridge. The constructor is still within the protection range of the first sub-guard rail and the second sub-guard rail to ensure the safety of the constructor.

Description

Early warning monitoring device for construction of highway traffic engineering
Technical Field
The application relates to the field of public traffic early warning, in particular to an early warning monitoring device for highway traffic engineering construction.
Background
Over time, mass transit roads often require renovation after a certain period of use. Bridges are an important component of public transportation. Since the bridge is usually installed on a trench or a river, the safety performance is very important. When a bridge is constructed, the width of the bridge is limited, and a certain passing space is usually required to be reserved, so that the safety guarantee of constructors is particularly important.
Disclosure of Invention
Therefore, it is necessary to provide an early warning monitoring device for road traffic engineering construction to solve the above technical problems.
The utility model provides a highway traffic engineering is early warning monitoring device for construction, includes two movable guardrail, is setting up along the length direction interval of bridge to surround the construction region, every movable guardrail includes:
the first sub-guardrail and the second sub-guardrail can be close to or far away from each other relative to the connecting frame, and the lengths of the first sub-guardrail and the second sub-guardrail are respectively greater than the length of the connecting frame;
a plurality of warning lamps are arranged at intervals at the edges of the first sub-guardrail and the second sub-guardrail;
the first position sensor and the second position sensor are respectively arranged at one ends of the first sub-guardrail and the second sub-guardrail, which are far away from the connecting frame, and are respectively used for sensing the positions of constructors at two sides of a construction area;
a controller connected to the first position sensor and the second position sensor, respectively;
first drive wheel and second drive wheel set up respectively in first sub-guardrail with the bottom of second sub-guardrail, first drive wheel with the second drive wheel respectively with the controller is connected, works as first position inductor perhaps second position inductor senses during constructor, controller control first drive wheel perhaps the second drive wheel drives first sub-guardrail with the orientation of second sub-guardrail is kept away from the linking frame direction motion, in order to enlarge the interception area of first sub-guardrail or second sub-guardrail.
In one embodiment, each movable guardrail further comprises a first detection device and a second detection device, which are respectively arranged on the first sub-guardrail and the second sub-guardrail, and the first detection device and the second detection device are respectively used for detecting whether vehicles exist in a preset range of a construction area;
when the first detection device and the second detection device do not detect vehicles within a preset range, the controller controls the first driving wheel or the second driving wheel to drive the first sub-guardrail and the second sub-guardrail to move towards a direction far away from the connecting frame so as to enlarge the intercepting area of the first sub-guardrail or the second sub-guardrail;
the controller controls the first drive wheel and the second drive wheel to remain stationary when the first detecting device or the second detecting device detects that there is a vehicle in a preset range.
In one embodiment, when the first and second detecting devices do not detect a vehicle within a preset range, and when the first or second position sensor keeps sensing the constructor for a first time period, the controller controls the first or second driving wheel to drive the first or second sub fence to move away from the connection frame.
In one embodiment, when the first and second detecting devices do not detect a vehicle within a preset range and when the first or second position sensor senses the worker at least three times within a second time period, the controller controls the first or second driving wheel to drive the first or second sub-barrier to move away from the connection frame.
In one embodiment, when the first position sensor or the second position sensor does not sense the worker for a third length of time, the controller controls the first driving wheel or the second driving wheel to move the first sub-barrier or the second sub-barrier toward a direction close to the connection frame.
In one embodiment, in the process that the controller controls the first driving wheel or the second driving wheel to drive the first sub-guardrail or the second sub-guardrail to move towards the direction close to the connecting frame, if the first position sensor or the second position sensor senses the constructor, the controller controls the first driving wheel or the second driving wheel to drive the first sub-guardrail or the second sub-guardrail to move towards the direction away from the connecting frame by a first safety distance.
In one embodiment, the first position sensor and the second position sensor are infrared sensors, and active heating elements are arranged on the front and back of the working clothes of the constructor.
In one embodiment, further comprising:
the two display devices are respectively arranged at two ends of the bridge and connected with the controller;
the vibration sensing device is arranged on the connecting frame and connected with the controller, and when the construction vibration sensed by the vibration sensing device reaches a vibration preset value, the controller controls the display device to give an alarm prompt to prompt that the vehicle with the weight exceeding the preset value is prohibited from passing. The embodiment of the application provides a highway traffic engineering early warning monitoring device for construction. The early warning monitoring device for the construction of the highway traffic engineering is applied to bridge construction at night. The early warning monitoring device for the construction of the road traffic engineering comprises two movable guardrails, a connecting frame, a first sub-guardrail, a second sub-guardrail, a first position sensor, a second position sensor, a controller, a first driving wheel and a second driving wheel. The two movable guardrails are arranged at intervals along the length direction of the bridge to surround the construction area. Therefore, vehicles coming from the bridge can be intercepted by the two movable guardrails so as to protect constructors who construct in the construction area. The first sub-guardrail and the second sub-guardrail are movably connected through the connecting frame. That is, the connecting frame can connect the two ends of the first sub-guardrail and the second sub-guardrail, the connecting frame can be provided with two parallel slideways, and the first sub-guardrail and the second sub-guardrail can be respectively arranged on the two slideways. The first sub guard rail and the second sub guard rail can be close to or far from each other with respect to the connection frame. The lengths of the first sub-guardrail and the second sub-guardrail are respectively greater than the length of the connecting frame. Therefore, the length of the first sub-guardrail and the second sub-guardrail after being folded and unfolded is larger than that of the connecting frame.
The first position sensor and the second position sensor are respectively arranged at one ends, far away from the connecting frame, of the first sub-guardrails and the second sub-guardrails and are respectively used for sensing the positions of constructors on two sides of a construction area. The first position sensor and the second position sensor are arranged along the width direction of the bridge. The first position sensor and the second position sensor can sense the position of the edge constructor of the width of the construction area, respectively. The controller is connected with the first position sensor and the second position sensor respectively. The controller can be a single chip microcomputer and other control equipment. The first driving wheel and the second driving wheel are respectively arranged at the bottoms of the first sub-guardrail and the second sub-guardrail. The first drive wheel and the second drive wheel are respectively connected with the controller. When the first position sensor or the second position sensor senses the constructor, it is indicated that the range of motion of the constructor has been extended to the edge of the protection width of the first sub-guardrail and the second sub-guardrail, that is, the range of motion of the constructor has a certain risk. At the moment, the controller controls the first driving wheel or the second driving wheel to drive the first sub-guardrail and the second sub-guardrail to move towards the direction far away from the connecting frame, so that the intercepting area of the first sub-guardrail or the second sub-guardrail is enlarged. The constructor is still within the protection range of the first sub-guard rail and the second sub-guard rail to ensure the safety of the constructor.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a top view of an early warning monitoring device for road traffic engineering construction according to an embodiment of the present application;
fig. 2 is a side view of an early warning monitoring device for road traffic engineering construction according to an embodiment of the present application;
fig. 3 is a side view of an early warning monitoring device for road traffic engineering construction according to another embodiment of the present application.
Description between the drawings:
early warning monitoring device 10 for road traffic engineering construction
Movable guardrail 110
Connecting frame 120
First sub-guardrail 111
Second sub-guardrail 112
First position sensor 121
Second position sensor 122
Third position sensor 123
Fourth position sensor 124
Controller 130
First drive wheel 131
Second drive wheel 132
Display device 140
Vibration sensing device 150
An indicator light 160.
Detailed Description
In order to make the objects, technical solutions and advantages of the present application more apparent, the present application is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.
Referring to fig. 1 and fig. 2, an embodiment of the present application provides an early warning monitoring device for road traffic engineering construction. The early warning monitoring device for the construction of the highway traffic engineering is applied to bridge construction at night. The early warning monitoring device for the construction of the road traffic engineering comprises two movable guardrails, a connecting frame, a first sub-guardrail, a second sub-guardrail, a first position sensor, a second position sensor, a controller, a first driving wheel, a second driving wheel and a plurality of warning lamps. The two movable guardrails are arranged at intervals along the length direction of the bridge to surround the construction area. Therefore, vehicles coming from the bridge can be intercepted by the two movable guardrails so as to protect constructors who construct in the construction area. The edge interval of first sub-guardrail with the sub-guardrail of second sets up a plurality of warning lights to show first sub-guardrail with the profile of sub-guardrail of second reminds the vehicle of coming and going to pay attention to detour or in time slow down or brake.
The first sub-guardrail and the second sub-guardrail are movably connected through the connecting frame. That is, the connecting frame can connect the two ends of the first sub-guardrail and the second sub-guardrail, the connecting frame can be provided with two parallel slideways, and the first sub-guardrail and the second sub-guardrail can be respectively arranged on the two slideways. The first sub guard rail and the second sub guard rail can be close to or far from each other with respect to the connection frame. The lengths of the first sub-guardrail and the second sub-guardrail are respectively greater than the length of the connecting frame. Therefore, the length of the first sub-guardrail and the second sub-guardrail after being folded and unfolded is larger than that of the connecting frame.
The first position sensor and the second position sensor are respectively arranged at one ends, far away from the connecting frame, of the first sub-guardrails and the second sub-guardrails and are respectively used for sensing the positions of constructors on two sides of a construction area. The first position sensor and the second position sensor are arranged along the width direction of the bridge. The first position sensor and the second position sensor can sense the position of the edge constructor of the width of the construction area, respectively.
The controller is connected with the first position sensor and the second position sensor respectively. The controller can be a single chip microcomputer and other control equipment.
The first driving wheel and the second driving wheel are respectively arranged at the bottoms of the first sub-guardrail and the second sub-guardrail. The first drive wheel and the second drive wheel are respectively connected with the controller. When the first position sensor or the second position sensor senses the constructor, it is indicated that the range of motion of the constructor has been extended to the edge of the protection width of the first sub-guardrail and the second sub-guardrail, that is, the range of motion of the constructor has a certain risk. At the moment, the controller controls the first driving wheel or the second driving wheel to drive the first sub-guardrail and the second sub-guardrail to move towards the direction far away from the connecting frame so as to enlarge the intercepting warning area of the first sub-guardrail or the second sub-guardrail, and the enlargement of the construction area of vehicles coming and going is reminded. Therefore, the constructor is still in the warning protection range of the first sub-guardrail and the second sub-guardrail to ensure the safety of the constructor.
Referring to fig. 3, in an embodiment, each movable fence further includes a first detection device and a second detection device respectively disposed on the first sub-fence and the second sub-fence. The first detection device and the second detection device are respectively used for detecting whether vehicles exist in a preset range of the construction area. The first detection device and the second detection device may include a plurality of radar range finders respectively, and the plurality of radar range finders may face different directions respectively and may be used to measure a distance of a vehicle, a pedestrian, or the like with respect to the surrounding construction area.
When the first detection device and the second detection device do not detect the vehicle within the preset range, the fact that the first sub-guardrail and the second sub-guardrail enlarge the warning protection range and cannot touch the vehicle or the pedestrian at the moment is explained, and traffic accidents are avoided. At the moment, the controller controls the first driving wheel or the second driving wheel to drive the first sub-guardrail and the second sub-guardrail to move towards the direction far away from the connecting frame, so that the intercepting area of the first sub-guardrail or the second sub-guardrail is enlarged. In one embodiment, the predetermined range may be a distance of 5 meters to 10 meters around the enclosed construction area.
When the first detection device and the second detection device detect that the vehicle is in the preset range, the situation that the vehicle and the pedestrian are possibly detected if the first sub-guardrail and the second sub-guardrail are moved to enlarge the warning protection range is indicated, and therefore the controller controls the first driving wheel and the second driving wheel to be kept static. At the moment, if the first position sensor and the second position sensor sense that constructors exist at the edge of the construction area, the controller can control a voice playing device to send out prompt sound to remind the constructors to move towards the center of the construction area, and traffic accidents caused by the fact that the constructors continue to move in the area outside the construction area are avoided.
In one embodiment, when the first and second detecting devices do not detect a vehicle within a preset range, and when the first or second position sensor keeps sensing the constructor for a first time period, the controller controls the first or second driving wheel to drive the first or second sub fence to move away from the connection frame. It will be appreciated that in some cases the constructor has occasionally reached the edge of the protection area of the first and second sub-underrun protection for a short time, with substantially no greater risk. The first drive wheel and the second drive wheel may not move. In one embodiment, the first length of time may be 2-3 seconds. When the time duration that the first position sensor or the second position sensor keeps sensing the constructor reaches a first time length, the working range of the constructor is approximately enlarged, and therefore the second driving wheel drives the first sub-guardrail or the second sub-guardrail to move towards the direction far away from the connecting frame, so that the constructor is located within the protection range.
In one embodiment, when the first and second detecting devices do not detect a vehicle within a preset range and when the first or second position sensor senses the worker at least three times within a second time period, the controller controls the first or second driving wheel to drive the first or second sub-barrier to move away from the connection frame. It will be appreciated that since some operations may be instantaneous but at a high frequency, the first position sensor or the second position sensor is at a high frequency although the time of the constructor per sensing is short. Namely, the working range of the constructor is enlarged, so that the second driving wheel drives the first sub-guardrail or the second sub-guardrail to move towards the direction far away from the connecting frame, and the constructor is located in the protection warning range.
In one embodiment, when the first position sensor or the second position sensor does not sense the constructor within a third time period, it indicates that the working range of the constructor is likely to be reduced, and if the construction interception area is kept larger, a larger area of traffic jam may be caused. Therefore, the controller controls the first driving wheel or the second driving wheel to drive the first sub-guardrail or the second sub-guardrail to move towards the direction close to the connecting frame, so that the intercepting area is small, and the traffic is convenient to pass. And the first sub-guardrail and the second sub-guardrail are controlled to reduce the warning range and generally not collide with vehicles and pedestrians. It is therefore generally not necessary to determine the condition of the vehicles around the construction area.
In one embodiment, in the process that the controller controls the first driving wheel or the second driving wheel to drive the first sub-guardrail or the second sub-guardrail to move towards the direction close to the connecting frame, if the first position sensor or the second position sensor senses the constructor, it indicates that a new construction range of the constructor can be determined at this time. However, for safety, a certain safety distance needs to be reserved, and therefore, the controller controls the first driving wheel or the second driving wheel to drive the first sub-guardrail or the second sub-guardrail to move a first safety distance in a direction away from the connecting frame. In one embodiment, the first safe distance is 1-2 meters. It is understood that before controlling the first sub-guard rail or the second sub-guard rail to move towards the direction away from the connecting frame, the first detection device and the second detection device can be used for detecting whether vehicles exist in the preset range or not, and if the vehicles exist, the vehicles can be kept in place. And when no vehicle exists in the preset range, the first sub-guardrail or the second sub-guardrail is controlled to move towards the direction away from the connecting frame.
In one embodiment, the first position sensor and the second position sensor are infrared sensors, and active heating elements are arranged on the front and back of the working clothes of the constructor. That is, the worker's work clothes may be provided with a heating element with a battery, such as a carbon fiber heating element, etc., to facilitate sensing by an infrared sensor.
In one embodiment, the early warning monitoring device for road traffic engineering construction further comprises two display devices and a vibration sensing device, wherein the two display devices are respectively arranged at two ends of the bridge and connected with the controller. The vibration sensing device is arranged on the connecting frame and is connected with the control device. When the construction vibration sensed by the vibration sensing device reaches a preset vibration value, namely the construction vibration of the bridge is large, the bridge is in a dangerous construction stage. . If the bridge is heavily loaded, the risk of collapse is usually brought about. Therefore, the controller controls the display device to give an alarm prompt for prompting that the vehicle with the weight exceeding the preset value is forbidden to pass. .
In one embodiment, the first sub-guard rail and the second sub-guard rail are each provided with a plurality of indicator lights.
Those skilled in the art will appreciate that the manner in which the above-described embodiments are implemented may be implemented by a computer program that can be stored in a non-volatile computer-readable storage medium and that, when executed, can include the processes of the above-described embodiments of the methods. Any reference to memory, storage, database or other medium used in the embodiments provided herein can include at least one of non-volatile and volatile memory. Non-volatile Memory may include Read-Only Memory (ROM), magnetic tape, floppy disk, flash Memory, optical storage, or the like. Volatile Memory can include Random Access Memory (RAM) or external cache Memory. By way of illustration and not limitation, RAM can take many forms, such as Static Random Access Memory (SRAM) or Dynamic Random Access Memory (DRAM), among others.
The technical features of the above embodiments can be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the above embodiments are not described, but should be considered as the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present application, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the concept of the present application, which falls within the scope of protection of the present application. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims (8)

1. The utility model provides a highway traffic engineering construction is with early warning monitoring device which characterized in that, includes two movable guardrail, is setting up at the length direction interval along the bridge to surround the construction region, every movable guardrail includes:
the first sub-guardrail and the second sub-guardrail can be close to or far away from each other relative to the connecting frame, and the lengths of the first sub-guardrail and the second sub-guardrail are respectively greater than the length of the connecting frame;
a plurality of warning lamps are arranged at intervals at the edges of the first sub-guardrail and the second sub-guardrail;
the first position sensor and the second position sensor are respectively arranged at one ends of the first sub-guardrail and the second sub-guardrail, which are far away from the connecting frame, and are respectively used for sensing the positions of constructors at two sides of a construction area;
a controller connected to the first position sensor and the second position sensor, respectively;
first drive wheel and second drive wheel set up respectively in first sub-guardrail with the bottom of second sub-guardrail, first drive wheel with the second drive wheel respectively with the controller is connected, works as first position inductor perhaps second position inductor senses during constructor, controller control first drive wheel perhaps the second drive wheel drives first sub-guardrail with the orientation of second sub-guardrail is kept away from the linking frame direction motion, in order to enlarge the interception area of first sub-guardrail or second sub-guardrail.
2. The early warning and monitoring device for road traffic engineering construction according to claim 1, wherein each movable guardrail further comprises a first detection device and a second detection device, which are respectively arranged on the first sub-guardrail and the second sub-guardrail, and the first detection device and the second detection device are respectively used for detecting whether vehicles exist in a preset range of a construction area;
when the first detection device and the second detection device do not detect vehicles within a preset range, the controller controls the first driving wheel or the second driving wheel to drive the first sub-guardrail and the second sub-guardrail to move towards a direction far away from the connecting frame so as to enlarge the intercepting area of the first sub-guardrail or the second sub-guardrail;
the controller controls the first drive wheel and the second drive wheel to remain stationary when the first detecting device or the second detecting device detects that there is a vehicle in a preset range.
3. The pre-warning monitoring device for road traffic engineering construction according to claim 2, wherein when the first and second detecting devices do not detect a vehicle within a preset range and when the first or second position sensor keeps sensing the constructor for a first time period, the controller controls the first or second driving wheel to drive the first or second sub-fences to move away from the connection frame.
4. The pre-warning monitoring device for road traffic engineering construction according to claim 2, wherein when the first and second detecting devices do not detect a vehicle within a preset range and when the first or second position sensor senses the constructor at least three times within a second time period, the controller controls the first or second driving wheel to drive the first or second sub-fences to move away from the connecting frame.
5. The pre-warning monitoring device for road traffic engineering construction according to claim 1, wherein when the first position sensor or the second position sensor does not sense the constructor within a third time period, the controller controls the first driving wheel or the second driving wheel to drive the first sub-guardrail or the second sub-guardrail to move toward a direction close to the connection frame.
6. The early warning monitoring device for road traffic engineering construction according to claim 5, wherein during the process that the controller controls the first driving wheel or the second driving wheel to drive the first sub-guardrail or the second sub-guardrail to move towards the direction close to the connecting frame, if the first position sensor or the second position sensor senses the constructor, the controller controls the first driving wheel or the second driving wheel to drive the first sub-guardrail or the second sub-guardrail to move towards the direction far away from the connecting frame by a first safety distance.
7. The early warning and monitoring device for road traffic engineering construction according to claim 1, wherein the first position sensor and the second position sensor are infrared sensors, and active heating elements are arranged on the front and back of the working clothes of the constructors.
8. The early warning monitoring device for road traffic engineering construction according to claim 1, further comprising:
the two display devices are respectively arranged at two ends of the bridge and connected with the controller;
the vibration sensing device is arranged on the connecting frame and connected with the controller, and when the construction vibration sensed by the vibration sensing device reaches a vibration preset value, the controller controls the display device to give an alarm prompt to prompt that the vehicle with the weight exceeding the preset value is prohibited from passing.
CN202110103683.3A 2021-01-26 2021-01-26 Monitoring method of early warning monitoring device for road traffic engineering construction Active CN112796565B (en)

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