CN214005505U - Highway construction district warning and way awl receive and releases system that removes - Google Patents
Highway construction district warning and way awl receive and releases system that removes Download PDFInfo
- Publication number
- CN214005505U CN214005505U CN202022546215.7U CN202022546215U CN214005505U CN 214005505 U CN214005505 U CN 214005505U CN 202022546215 U CN202022546215 U CN 202022546215U CN 214005505 U CN214005505 U CN 214005505U
- Authority
- CN
- China
- Prior art keywords
- road
- warning
- road cone
- remote control
- control center
- 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.)
- Active
Links
Images
Abstract
The utility model belongs to highway traffic maintenance equipment field discloses a highway construction district warning and way awl receive and releases system that removes, include: the road cone collecting and releasing device, the warning speed measuring device, the remote control center and the transportation equipment; the signal output end of the camera at the road construction area is connected with the first signal input end of the remote control center through a wireless network; a first signal output end of the remote control center is connected with a signal input end of the road cone collecting and releasing device through a wireless network; the signal output end of the warning speed measuring device is connected with the second signal input end of the remote control center through a wireless network; the transportation equipment is used for transporting the road cone retracting device and the warning speed measuring device to a road construction area; the system is simple in structure, can effectively warn a vehicle in front of a road construction area, realizes automatic placement and recovery of road cones, and effectively improves safety and working efficiency of road maintenance operation.
Description
Technical Field
The utility model relates to a highway traffic maintenance equipment field, concretely relates to highway construction district warning and way awl receive and releases system that removes.
Background
Along with the development of social economy and the improvement of safety consciousness of people, the intellectualization of traffic equipment is particularly important. In recent years, China has been developed in the fields of rail transit, high-speed intelligent monitoring, urban public transport and the like, but some traffic maintenance support systems still use old technologies, for example, the working of collecting and releasing warning road cones of expressways still adopts a manual operation mode. The road maintenance operation area is small, the vehicle running speed is high, the road cone distributing efficiency of the operation vehicle is low, and the phenomena of automobile exhaust, noise, overrun overload and the like are added, so that the problems of high road maintenance risk coefficient, severe working environment, labor shortage, high manual management difficulty and the like are caused by the adverse factors.
In the existing floor-type semi-automatic road cone collecting and releasing device, one worker is responsible for driving a vehicle in a cab, and the other worker is responsible for receiving, stacking and placing the road cones in a carriage; because the carriage is not totally closed, the working environment is not improved to a great extent, the device cannot recover road cones which deviate from the original positions due to various reasons, manual intervention is needed for recovery, the placing intervals are also manually controlled, and the device cannot be well popularized in consideration of the requirements of improving the working efficiency and the safety coefficient, releasing labor force and the like.
SUMMERY OF THE UTILITY MODEL
For solving the above problem, the utility model provides a highway construction district warning and way awl receive and releases system that removes can make effective warning to the car that comes in highway construction district the place ahead to realize the automation of way awl and put and retrieve, effectively improve the security and the work efficiency of highway maintenance operation.
In order to achieve the above purpose, the present invention adopts the following technical solution.
A highway construction district warning and way awl receive and releases system that removes, includes: the road cone collecting and releasing device, the warning speed measuring device, the remote control center and the transportation equipment; the signal output end of the camera at the road construction area is connected with the first signal input end of the remote control center through a wireless network; a first signal output end of the remote control center is connected with a signal input end of the road cone collecting and releasing device through a wireless network;
the signal output end of the warning speed measuring device is connected with the second signal input end of the remote control center through a wireless network;
the transportation equipment is used for transporting the road cone winding and unwinding device and the warning speed measuring device to a road construction area.
Preferably, the camera at the road construction area is used for acquiring image information of the road construction area and transmitting the acquired image information of the road construction area to the remote control center;
the remote control center determines a road cone retracting and releasing route, a road cone retracting and releasing interval and a road cone retracting and releasing quantity of the road cone retracting and releasing device according to the received image information of the road construction area;
the road cone retracting and releasing device automatically places and recovers the road cones according to the road cone retracting and releasing route and the distance determined by the remote control center;
the warning speed measuring device is used for warning the coming vehicle in front of the road construction area, acquiring the speed and the license plate information of the coming vehicle in real time, and transmitting the acquired speed and the license plate information of the coming vehicle to the remote control center.
Preferably, the system further comprises a variable information board for issuing warning information in a warning area before the road construction area.
Preferably, the road cone collecting and releasing device comprises a mobile platform, a bionic mechanical arm and a three-dimensional stacker crane; the bionic mechanical arm and the three-dimensional stacker crane are fixed on the mobile platform;
the mobile platform is used for moving according to the road cone retracting and releasing route determined by the remote control center; the bionic mechanical arm and the three-dimensional stacker crane are used for recycling and placing road cones according to the road cone folding and unfolding distance and the road cone folding and unfolding quantity determined by the remote control center.
Further preferably, the mobile platform comprises a vehicle-mounted power supply module, a route planning module, a platform driving module and a motion control module; the vehicle-mounted power supply module is used for supplying power to the platform driving module and the motion control module;
the platform driving module is used for carrying the bionic mechanical arm and the three-dimensional stacker crane to move according to the road cone folding and unfolding route determined by the remote control center;
the motion control module is used for controlling the bionic mechanical arm and the three-dimensional stacker crane to place and recover the road cones according to the road cone folding and unfolding distance and the road cone folding and unfolding quantity determined by the remote control center.
Further preferably, the vehicle-mounted power module is a vehicle-mounted generator or a solar charging device.
Further preferably, the route planning module is an industrial personal computer.
Preferably, the platform driving module comprises a vehicle board, four rollers are symmetrically mounted at the bottom of the vehicle board, first motors are respectively arranged on two front rollers of the vehicle board, the first motors are used for driving the corresponding rollers to rotate, and a signal output end of the remote control center is connected with a control end of the first motor through a wireless network.
Preferably, the motion control module comprises a controller and a second motor, the second motor is respectively installed on the bionic mechanical arm and the three-dimensional stacker crane, a signal output end of the controller is respectively and electrically connected with a signal input end of the second motor, and a signal output end of the remote control center is connected with the controller through a wireless network.
Preferably, the warning speed measuring device comprises a warning robot, a speed sensor and a data receiving center; the warning robot is used for making a prompt for decelerating a coming vehicle and driving the coming vehicle by a certain side before a construction area, and acquiring the vehicle type and license plate information of the coming vehicle; the speed sensor is used for acquiring the speed information of the coming vehicle; the data receiving center is used for receiving the vehicle type and the license plate information acquired by the warning robot and the vehicle speed information acquired by the speed sensor and uploading the vehicle type and the license plate information and the vehicle speed information to the remote control center.
Compared with the prior art, the utility model discloses following profitable technological effect has:
(1) the utility model discloses a highway construction district warning and way awl receive and releases system simple structure who removes can realize the automation of way awl through moving platform, bionical arm and three-dimensional hacking machine and put and retrieve, has improved highway warning way awl and has put workman's operational environment, the workman only need drive the vehicle to appointed place carry on equipment simple transport and supervise can, greatly liberated the labour.
(2) Can make effective warning to the coming car in highway construction district the place ahead through variable information board and warning robot, improved near highway construction district's road factor of safety, thereby the driver can in time obtain warning information through variable information board and warning robot and adjust the driving behavior, has improved driving safety nature, and workman's operational environment is also safer, improves the security and the work efficiency of highway maintenance operation.
(3) The information acquired by the warning robot and the speed sensor is returned to the remote control center through the data receiving center, so that real-time information is provided for future road management, and the information can be used as the basis for accident analysis, road management and the like.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Fig. 1 is a schematic structural view of the mobile road construction zone warning and road cone retraction system of the present invention;
fig. 2 is a schematic structural diagram of the mobile platform in fig. 1.
In the above figures: 1, a road cone retracting device; 2 warning a speed measuring device; 201 alert the robot; 202 a speed sensor; 203 a data receiving center; 3, a remote control center; 4 transporting equipment; 5 a variable information board; 6, moving the platform; 601 a vehicle-mounted power supply module; 602 a route planning module; 603 a platform driving module; 604 a motion control module; 7, a bionic mechanical arm; 8 the three-dimensional stacker crane.
Detailed Description
Referring to fig. 1-2, according to an embodiment of the present invention, a mobile road construction zone warning and road cone collecting and releasing system is provided, which includes: the road cone collecting and releasing device comprises a road cone collecting and releasing device 1, a warning speed measuring device 2, a remote control center 3 and transportation equipment 4; wherein, the signal output end of the camera at the road construction area is connected with the first signal input end of the remote control center 3 through a wireless network; a first signal output end of the remote control center 3 is connected with a signal input end of the road cone collecting and releasing device 1 through a wireless network; the signal output end of the warning speed measuring device 2 is connected with the second signal input end of the remote control center 3 through a wireless network; and the transportation equipment 4 is used for transporting the road cone collecting and releasing device 1 and the warning speed measuring device 2 to a road construction area.
Specifically, the camera at the road construction area is used for acquiring image information of the road construction area and transmitting the acquired image information of the road construction area to the remote control center 3. The remote control center 3 determines the road cone retracting and releasing routes, the road cone intervals and the number of the road cones of the road cone retracting and releasing device 1 according to the received image information of the road construction area. The road cone collecting and releasing device 1 automatically places and recovers the road cones according to the road cone collecting and releasing route, the road cone distance and the road cone quantity determined by the remote control center 3, and the road cone collecting and releasing device specifically comprises the following components:
the road cone collecting and releasing device 1 comprises a moving platform 6, a bionic mechanical arm 7 and a three-dimensional stacker crane 8; wherein, the bionic mechanical arm 7 and the three-dimensional stacker crane 8 are fixed on the mobile platform 6. The mobile platform 6 is used for carrying the bionic mechanical arm 7 and the three-dimensional stacker crane 8 to move according to the road cone folding and unfolding route determined by the remote control center 3. The bionic mechanical arm 7 and the three-dimensional stacker crane 8 are used for recovering and placing the road cones according to the road cone collecting and releasing distance and the road cone number determined by the remote control center 3, the bionic mechanical arm 7 is used for completing the movement of the road cones between the three-dimensional stacker crane 8 and the road surface, and the three-dimensional stacker crane 8 is used for realizing the grabbing of the road cones and the transportation in a three-dimensional space.
The mobile platform 6 has the traditional sensing and action capabilities of automatic driving, and simple position movement can be realized based on the remote control center 3 or artificial control. Referring to fig. 2, mobile platform 6 includes an in-vehicle power module 601, a route planning module 602, a platform driver module 603, and a motion control module 604. The vehicle power module 601 is a vehicle generator or a solar energy charging device, and is configured to supply power to the platform driving module 603 and the motion control module 604. The route planning module 602 mainly refers to an industrial personal computer, a first signal output end of the remote control center 3 is connected with a signal input end of the industrial personal computer through a wireless network, the remote control center 3 sets and marks a road cone retracting and releasing route, a road cone retracting and releasing interval and a road cone retracting and releasing quantity according to a video image acquired by a camera at a road construction area in combination with actual conditions, a single-frame video image marked with the road cone retracting and releasing route is transmitted to the industrial personal computer, and the industrial personal computer controls the platform moving module to move according to the set road cone retracting and releasing route according to road cone retracting and releasing route information set by the remote control center 3.
Specifically, the platform driving module 603 comprises a vehicle plate, and a bionic mechanical arm 7 and a three-dimensional stacker crane 8 are fixed on the vehicle plate; four wheels are symmetrically installed at four corners of the bottom end of the sweep, first motors are installed on two front wheels of the sweep respectively and used for driving the front wheels to rotate, a single chip microcomputer is fixed on the sweep, and the vehicle-mounted power module 601 is used for supplying power to the first motors. The industrial personal computer converts the road cone folding and unfolding route information set by the remote control center 3 into control information of the rotating speed and the rotating frequency of the two first motors on the vehicle board, and the two first motors are controlled by the single chip microcomputer to respectively control the two front wheels of the vehicle board to rotate at the set rotating speed and the set rotating frequency, so that the vehicle board runs according to the road cone folding and unfolding route set by the remote control center 3; the set road cone placing route information comprises set corners and single-step advancing distance information. When the two first motors rotate at different rotating speeds, the vehicle board can be controlled to move according to a set rotating angle, so that the steering of the vehicle board is controlled; the rotation times of the two motors are controlled, so that the vehicle board can move according to the set single-step advancing distance, and the moving distance of the vehicle board is controlled. Distance sensors can be arranged on the two front wheels of the sweep and used for acquiring the advancing distance information of the two front wheels in real time and transmitting the acquired advancing distance information of the front wheels to the single chip microcomputer, and the single chip microcomputer adjusts the rotating speed and the rotating frequency of the first motor in real time according to the acquired advancing distance information of the front wheels, so that the sweep is controlled to run according to a set road cone retracting route.
The motion control module 604 includes a controller and a second motor; wherein, the bionic mechanical arm 7 and the three-dimensional stacker crane 8 are respectively provided with a second motor; and the signal output end of the remote control center 3 is connected with the signal input end of the controller through a wireless network, and the signal output end of the controller is respectively connected with the signal input end of the second motor. The remote control center 3 transmits the determined road cone collecting and releasing distance and the determined road cone collecting and releasing quantity to the controller, and the controller sends instructions such as rotating speed (determining road cone placing interval), rotating times (determining road cone placing quantity) and the like to second motors arranged on the bionic mechanical arm 7 and the three-dimensional stacker crane 8 respectively according to the acquired road cone collecting and releasing distance and road cone collecting and releasing quantity information to complete the placing of the road cones. The bionic mechanical arm 7 is used for completing the movement of the road cone between the three-dimensional stacker crane 8 and the road surface, the three-dimensional stacker crane 8 is used for realizing the grabbing of the road cone and the transportation in a three-dimensional space, and the concrete structure of the bionic mechanical arm 7 and the three-dimensional stacking device is not explained because the bionic mechanical arm and the three-dimensional stacking device are widely applied in modern engineering.
The warning speed measuring device 2 is used for warning the coming vehicle in the road construction area, acquiring the speed and the license plate information of the coming vehicle in real time, and transmitting the acquired speed and the license plate information of the coming vehicle to the remote control center 3. Specifically, the warning speed measuring device 2 includes a warning robot 201, a speed sensor 202 and a data receiving center 203; the warning robot 201 has a built-in power supply, and when the electric power is sufficient, the robot arm can be used for performing simple command actions such as speed reduction, driving by a certain side and the like. The warning robot 201 is provided with a micro camera at the eye part, can identify the information of the type, the license plate and the like of the coming vehicle, and transmits the information to the data receiving center 203 through a wireless network. The speed sensor 202 can synchronously detect and display the speed of the coming vehicle to remind a driver to control the speed of the vehicle, and the speed information is uploaded to the data receiving center 203 in real time. The data receiving center 203 sorts the acquired vehicle speed, vehicle type and license plate information and uploads the sorted information to the remote control center 3 through a wireless network, so as to provide real data reference for the subsequent road section management.
The transportation equipment 4 mainly refers to an engineering truck with an automatic lifting platform, and the lifting platform is driven by hydraulic pressure or a motor and is used for transporting entity components such as the road cone collecting and releasing device 1, the warning robot 201, the speed sensor 202, the movable variable information board 5 and the like. If an unmanned vehicle can be adopted, a driver can drive an engineering vehicle to a construction point and supervise the operation of other equipment, the road cone collecting and releasing device 1 is transported back to a maintenance point after the road cone is placed, and the transportation of the other equipment depends on the construction period.
A variable information board 5 of a cantilever type including an LED module display unit; and according to the standard of the highway maintenance safety sign, the system is used for issuing the information of front construction and forbidding lane change in a construction warning area, and plays a role of warning in advance. It should be noted that the variable information board 5 is suitable for a small-sized maintenance work in a burst, and can be retrieved in a short period of time; if the project is large and the construction period is long, a fixed common signboard is installed to save the cost.
The utility model discloses a highway construction district warning of removal and way awl receive and releases work flow of system, including following step:
And 2, after the engineering truck arrives at the construction warning area, the lifting platform of the engineering truck descends, the variable information board 5 is placed, and warning information such as construction ahead, forbidding lane change and the like is issued through the information board.
And 3, the engineering truck continuously moves to a construction area, the lifting platform descends, the moving platform 6 in the road cone collecting and releasing device 1 carries the bionic mechanical arm 7 and the three-dimensional stacker crane 8 to move according to the road cone placing route information set by the remote control center 3, and meanwhile the bionic mechanical arm 7 and the three-dimensional stacker crane 8 place the road cones according to the road cone placing distance and the placing number set by the remote control center 3.
And 4, placing the warning robot 201 and the speed sensor 202 in a construction area and starting work, wherein the warning robot 201 performs simple command actions, such as deceleration and driving by a certain side, by using a mechanical arm, and recognizing information of the type of the coming vehicle, the license plate and the like. The speed sensor 202 collects the speed information of the coming vehicle in real time. The data receiving center 203 receives and arranges the type and license plate information of the coming vehicle acquired by the warning robot 201 and the vehicle speed information acquired by the speed sensor 202, and uploads the information to the highway remote control center 3 to provide real data reference for the later road section management. Thus, the road cone is automatically placed and the construction area is warned.
And 5, determining whether to return to the movable road construction area warning and road cone retracting system or not according to the construction period.
In addition, when the road cone is recovered, secondary route planning is only needed to be carried out according to the video images acquired by the real-time camera, the incomplete recovery phenomenon caused by position change of the road cone due to various reasons is avoided, the specific process is the same as the road cone placement process, and repeated description is omitted.
It will be apparent to those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention. Thus, if these modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include these modifications and variations.
Claims (10)
1. The utility model provides a highway construction district warning and way awl receive and releases system that removes which characterized in that includes: the road cone collecting and releasing device (1), the warning speed measuring device (2), the remote control center (3) and the transportation equipment (4); the signal output end of the camera at the road construction area is connected with the first signal input end of the remote control center (3) through a wireless network; a first signal output end of the remote control center (3) is connected with a signal input end of the road cone collecting and releasing device (1) through a wireless network;
the signal output end of the warning speed measuring device (2) is connected with the second signal input end of the remote control center (3) through a wireless network;
the transportation equipment (4) is used for transporting the road cone winding and unwinding device (1) and the warning speed measuring device (2) to a road construction area.
2. The mobile road construction zone warning and road cone retraction system according to claim 1, wherein the camera at the road construction zone is used to acquire image information of the road construction zone and transmit the acquired image information of the road construction zone to the remote control center (3);
the remote control center (3) determines the road cone retracting and releasing route, the road cone retracting and releasing distance and the road cone retracting and releasing quantity of the road cone retracting and releasing device (1) according to the received image information of the road construction area;
the road cone retracting and releasing device (1) automatically puts and recovers the road cones according to the road cone retracting and releasing route and the distance determined by the remote control center (3);
warning speed sensor (2) are used for the highway construction district is preceding to make the warning to the coming car and remind to obtain the speed of a motor vehicle, the license plate information of coming car in real time, transmit the speed of a motor vehicle, the license plate information of coming car that will obtain simultaneously for remote control center (3).
3. The mobile construction zone warning and road cone retraction system according to claim 1, further comprising a variable message sign (5), said variable message sign (5) being adapted to issue warning messages in a warning zone in front of a construction zone.
4. The mobile road construction zone warning and road cone retracting system according to claim 2, wherein the road cone retracting device (1) comprises a mobile platform (6), a bionic mechanical arm (7) and a three-dimensional stacker crane (8); the bionic mechanical arm (7) and the three-dimensional stacker crane (8) are fixed on the movable platform (6);
the mobile platform (6) is used for moving according to the road cone retracting and releasing route determined by the remote control center (3); the bionic mechanical arm (7) and the three-dimensional stacker crane (8) are used for recovering and placing the road cones according to the road cone folding and unfolding distance and the road cone folding and unfolding quantity determined by the remote control center (3).
5. The mobile road construction zone warning and road cone retraction system according to claim 4, wherein the mobile platform (6) comprises a vehicle power module (601), a route planning module (602), a platform driving module (603) and a motion control module (604); wherein the vehicle-mounted power supply module (601) is used for supplying power to the platform driving module (603) and the motion control module (604);
the platform driving module (603) is used for carrying the bionic mechanical arm (7) and the three-dimensional stacker crane (8) to move according to the road cone folding and unfolding route determined by the remote control center (3);
the motion control module (604) is used for controlling the bionic mechanical arm (7) and the three-dimensional stacker crane (8) to place and recover the road cones according to the road cone folding and unfolding distance and the road cone folding and unfolding quantity determined by the remote control center (3).
6. The mobile construction zone warning and road cone retraction system according to claim 5, wherein the vehicle power module (601) is a vehicle generator or solar charging device.
7. The mobile construction zone warning and road cone retraction system according to claim 5, wherein the route planning module (602) is an industrial personal computer.
8. The mobile road construction zone warning and road cone retracting system according to claim 5, wherein the platform driving module (603) comprises a vehicle plate, four rollers are symmetrically mounted at the bottom of the vehicle plate respectively, first motors are arranged on two front rollers of the vehicle plate respectively and used for driving the corresponding rollers to rotate, and a signal output end of the remote control center (3) is connected with a control end of the first motor through a wireless network.
9. The mobile road construction zone warning and road cone retracting system according to claim 5, wherein the motion control module (604) comprises a controller and a second motor, the second motor is respectively installed on the bionic mechanical arm (7) and the three-dimensional stacker crane (8), a signal output end of the controller is respectively and electrically connected with a signal input end of the second motor, and a signal output end of the remote control center (3) is connected with the controller through a wireless network.
10. The mobile road construction zone warning and road cone retracting system according to claim 1, wherein the warning speed measuring device (2) comprises a warning robot (201), a speed sensor (202) and a data receiving center (203); the warning robot (201) is used for making a prompt of decelerating a coming vehicle and driving the coming vehicle close to a certain side before a construction area, and acquiring the information of the type and the license plate of the coming vehicle; the speed sensor (202) is used for acquiring the speed information of the coming vehicle; the data receiving center (203) is used for receiving the vehicle type and the license plate information acquired by the warning robot (201) and the vehicle speed information acquired by the speed sensor (202) and uploading the vehicle speed information to the remote control center (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022546215.7U CN214005505U (en) | 2020-11-06 | 2020-11-06 | Highway construction district warning and way awl receive and releases system that removes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022546215.7U CN214005505U (en) | 2020-11-06 | 2020-11-06 | Highway construction district warning and way awl receive and releases system that removes |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214005505U true CN214005505U (en) | 2021-08-20 |
Family
ID=77304458
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022546215.7U Active CN214005505U (en) | 2020-11-06 | 2020-11-06 | Highway construction district warning and way awl receive and releases system that removes |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214005505U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114332824A (en) * | 2022-03-02 | 2022-04-12 | 北京物资学院 | Automatic retraction device for fault warning of logistics vehicle |
-
2020
- 2020-11-06 CN CN202022546215.7U patent/CN214005505U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114332824A (en) * | 2022-03-02 | 2022-04-12 | 北京物资学院 | Automatic retraction device for fault warning of logistics vehicle |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205230342U (en) | Highway unmanned aerial vehicle device of patrolling | |
| CN103500508B (en) | A kind of intelligent transportation system | |
| CN201210351Y (en) | Intelligent electronic guidance system for fog zone of highway | |
| CN2906786Y (en) | Interactive intelligent spike and its road net information system | |
| CN101071526A (en) | Interactive intelligent road nail and its road net information system | |
| CN206236283U (en) | A kind of automatic guide vehicle finds the truck space guiding system of empty parking space | |
| CN106347172B (en) | A kind of application method of unmanned public electric car | |
| CN207115198U (en) | Automatic Pilot van | |
| CN107966988A (en) | The control system of shield machine construction electric locomotive | |
| CN210466599U (en) | Electric power construction site recognition alarm system violating regulations | |
| CN214005505U (en) | Highway construction district warning and way awl receive and releases system that removes | |
| CN105427638A (en) | Man-machine interactive vehicle-speed control and early-warning system for expressway construction operation area | |
| CN202257959U (en) | Non-motorized vehicle lane running speed-reduction prompting device | |
| CN107180545A (en) | A kind of intelligent traffic safety management method and its running gear | |
| CN208198448U (en) | Rail traffic crossing safety management system | |
| CN107065889A (en) | A kind of garbage transfer station vehicle guidance control method and vehicle guide system | |
| CN111913477A (en) | Unmanned mining electric drive dump truck | |
| CN205256328U (en) | A on -board control device for mine unmanned engine | |
| CN106741998A (en) | Flight formula penalty note is opened and takes device and implementation method | |
| CN102024336A (en) | Intelligent derivation device of slip-road | |
| CN105220916A (en) | Parking apparatus and control system thereof and method | |
| CN203134121U (en) | Vehicle overspeed detection system | |
| CN109509360A (en) | The method drained using Expressway Road ambient intelligence traffic drainage system | |
| CN215042815U (en) | Unattended railway crossing | |
| CN205281796U (en) | Highway interchange export speed control's warning system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |