313 results about "Highway maintenance" patented technology

The present invention is emulsified asphalt grouting material modified with inorganic powder and polymer. The modified emulsified asphalt grouting material may be filling and reinforcing grouting material comprising emulsified asphalt in 25-35 weight portions, inorganic powder in 65-75 weight portions and protecting agent in 10-20 weight portions; or waterproof grouting material comprising emulsified asphalt in 65-75 weight portions, inorganic powder in 25-35 weight portions and protecting agent in 10-30 weight portions. The modified emulsified asphalt grouting material has high grouting performance, high transmission capacity, no demulsification during pressure grouting, high binding with interface, high curing speed, excellent waterproof effect and other advantages. It may be applied for highway maintenance, foundation stabilization and waterproof engineering.

The invention relates to a visible management platform system for highway maintenance data and a visible management method, which are used for the statistics and management of the basic data of highway maintenance; the management platform system comprises a database and a visible platform, wherein the database is provided with the data of highways and auxiliary facilities and the highway spatial data, is used for carrying out integrated display on the data of the highways and the auxiliary facilities and the highway spatial data, and provides a result of spatial query and attribute query; and the visible platform utilizes a cartographic information system GIS to carry out visual display on the database in a cartographic form. The system and the method can realize the digital management of highway maintenance, get rid of the prior paper document-type record, greatly promote the capability of data storability and expandability and are simple and rapid to inquire interface in order that the work of maintenance management becomes simpler, more convenient and visual.

The invention discloses an intelligent highway maintenance operation system in the technical field of traffic safety, which can timely push the position, length and occupied lane information of a roadmaintenance operation section to a cloud through an RSU and then send the information to a vehicle-mounted navigation terminal, so that a driver plans a driving route in advance. A maintenance operation management platform is in data communication with an intelligent conical barrel, an intelligent signboard and an intelligent early warning terminal through an intelligent Internet of Things network card to identify abnormal movement of the intelligent conical barrel and the intelligent signboard; and the maintenance operation management platform performs normative inspection on the length of the operation area according to the position information of the intelligent conical barrel and the position information of the intelligent signboard. By calculating the length of each functional area of the operation area and carrying out normative inspection, standardized construction is achieved, and the personal safety of workers in the operation area is guaranteed; and, by arranging the event alarm module in the intelligent conical barrel, potential risks are early warned in advance, and safety accidents caused by the fact that workers cannot discover dangerous factors in time due to the noisy working environment are avoided.

The invention relates to a highway maintenance informatization management system, which comprises a handheld mobile terminal, a data storage processing center, a maintenance operation vehicle and seven informatization management modules, wherein the seven informatization management modules comprise a patrol plan management system, a disease information collecting system, a disease information positioning system, a disease rechecking management system, a maintenance task management system, a construction registration management system and a maintenance acceptance management system, wherein themaintenance operation vehicle comprises a vehicle-mounted positioning terminal, an operation platform and a vehicle-mounted warning system; the operation platform is used for performing data checkingon the maintenance operation vehicle and executing the corresponding operation; the vehicle-mounted positioning terminal, the operation platform and the vehicle-mounted warning system are connected with the data storage processing center in a wireless way; the handheld mobile terminal is in wireless connection with the data storage processing center. The highway maintenance informatization management system has the advantages that the highway daily disease information can be obtained; the functions of daily inspection task making, automatic disease information positioning, maintenance task generation, construction registering and maintenance task evaluation and acceptance are realized.

The invention discloses an informatization method and device for road maintenance and road closure construction safety management. Aiming at the corresponding norms and requirements of road maintenance safe operation, the method comprises the steps of establishing a parametrization design method for road maintenance operation control area arrangement and safety facility layout schemes, establishing a visual design system, mounting identification codes on traffic safety facilities and performing scanning and identifying, obtaining the types, models and actual mileage pile numbers of the safety facilities by a geographic information system and a global positioning system, mounting a working state sensor on every safety facility and forming an Internet of things with a base station to monitor safety facility working state, amounting identification codes on the working state sensors, and obtaining the actual mileage pile numbers of the working state sensors by utilizing a check system. The informatization method and device for road maintenance and road closure construction safety management adopt database technology, conduct informatization management on the number, types and mileage pile numbers of maintenance operation safety facilities and whether the maintenance operation safety facilities are in a normal vertical work state or not by the geographic information system, the global positioning technology and the mobile Internet technique, and achieve remote management and early caution.

The invention discloses frost-resistant emulsified asphalt for roads and a preparation method thereof. The emulsified asphalt comprises asphalts, cationic emulsifiers, anionic emulsifiers, a non-ionic emulsifier, alcohols and water, wherein the alcohols are one or more of ethanol, propanol, isopropanol and tert butyl alcohol. The emulsified asphalt has the following advantages: through synergistic action of the compound emulsifier and lower fatty alcohols, without adding such diluents as diesel or kerosene, the emulsified asphalt can be used for shortening the time of moisture volatilization,speeding up mixture hardening and improving the frost resistance, is not frozen at minus 5-minus 25 DEG C, maintains such excellent properties of the original asphalts as caking property and can be used for avoiding the low-temperature shrinkage crack or freeze thawing and looseness of a mixture in winter. The frost-resistant emulsified asphalt is used for highway maintenance and repair.

The invention discloses a milling, planing and laying integrated milling-planing machine which aims at solving the problems that traditional highway maintenance procedures are complicated, and manpower is wasted. According to the technical scheme, the milling, planing and laying integrated milling-planing machine is characterized in that the milling, planing and laying integrated milling-planing machine comprises a machine body and a milling and planing roller arranged below the machine body and further comprises a collection component arranged behind the milling and planing roller and used for collecting milled and planed asphalt, a mixing mechanism arranged behind the collection component and a laying mechanism arranged behind the collection component, one end of the laying mechanism isconnected with the mixing mechanism, and the other end of the laying mechanism extends to the ground. By the adoption of the milling, planing and laying integrated milling-planing machine, a milled and planed material is recycled and re-processed, the processed material is directly laid on a pavement through the laying mechanism, manpower and resources are effectively saved, and the highway maintenance efficiency is improved.

The invention relates to a highway maintenance and accident handling safety early warning system. The system comprises an early warning safety cone barrel system, a smart work clothes system and a terminal management system, which are wirelessly connected with each other; and the highway maintenance and accident handling safety early warning system provided by the invention has the characteristicof obtaining information in advance, thereby being able to remind a worker to quickly evacuate a construction or accident handling site, and the worker can know the pavement information in advance, thereby ensuring the personal safety.

The present invention discloses a vibratory roller construction quality monitoring system based on an Android platform, comprising: a data acquisition and transmit-receive module used for performing processing and calculation on rolling time, speed, locus, temperature, vibration acceleration signals of a vibratory roller which are acquired in real time, so as to obtain real-time rolling data for being wirelessly transmitted to an Android terminal; and the Android terminal used for controlling and receiving the real-time rolling data transmitted from the data acquisition and transmit-receive module, and displaying the real-time rolling data in the form of figures. The vibratory roller construction quality monitoring system of the present invention can monitor many parameters, such as rolling time, speed, times, area, temperature, and compactness, which are closely related to construction management, in real time, and can generate a construction progress map and a compacting quality plane distribution map according to relevant information, so as to achieve quality management and monitoring of the whole rolling process, thereby greatly improving construction quality and reducing road maintenance cost.

The invention discloses emulsified asphalt and a preparation method thereof. The emulsified asphalt comprises asphalts, anionic emulsifiers, zwitterionic emulsifiers, a non-ionic emulsifier, alcohols and water, wherein the alcohols are one or more of ethanol, propanol, isopropanol and tert butyl alcohol. The emulsified asphalt has the following advantages: the emulsified asphalt uses lower fatty alcohols; without adding such diluents as diesel or kerosene, the emulsified asphalt can be used for shortening the time of moisture volatilization, speeding up mixture hardening and improving the frost resistance, is not frozen at minus 5-minus 25 DEG C, maintains such excellent properties of the original asphalts as caking property and can be used for avoiding low-temperature shrinkage crack or freeze thawing and looseness of a mixture in winter; and meanwhile, the compound emulsifier is adopted, thus not only lowering the cost but also being beneficial to improvement of the frost resistance of the emulsified asphalt and the Marshall stability of the mixture. The emulsified asphalt has frost resistance and can be used for highway maintenance and repair.

The invention discloses a maintenance truck tail anti-collision early-warning system and early-warning method based on millimeter waves, and relates to the field of automobile anti-collision systems.The early warning system comprises a millimeter-wave radar, a center processor, an audible and visual alarm lamp and a anti-collision early-warning display screen. By the aid of a millimeter-wave probing technique, the speed and the distance of a rear vehicle are calculated by the aid of a signal processor, double alarm modes of the anti-collision early-warning display screen and the audible and visual alarm lamp timely and effectively remind the rear vehicle of reducing speed or changing a lane and also remind a driver of a maintenance truck of coming of the rear vehicle, double guarantee cangreatly reduce rear-end collision probability between the rear vehicle and the road maintenance truck, and property and personnel safety of the rear vehicle and the road maintenance truck is improved.

The invention proposes a stepped variable speed-limitation control method of an expressway maintenance operation region. The stepped variable speed-limitation control method comprises the steps of setting traffic flow detectors at a warning region and a transition region of the expressway maintenance operation region; acquiring traffic running parameters of the warning region and the transition region o the expressway maintenance operation region in real time; judging whether each road segment of the expressway maintenance operation region is congested or not; calculating variable speed-limitation values of the warning region and the transition region; and displaying a speed-limitation value of a current road segment in real time by a road side speed-limitation information prompt plate, and achieving dynamic driving speed control of the expressway maintenance operation region. According to the stepped variable speed-limitation control method proposed by the invention, the phenomenon ofcongestion of the expression maintenance operation region is reduced, and the passing efficiency and the driving safety are improved.

The invention relates to the technical field of highway maintenance, and discloses a device for repairing narrow and long cracks of asphalt pavement for highway maintenance, comprises a main body, four rollers, two pulleys, an asphalt liquefaction mechanism, a feeding bucket, two reinforcing ribs, two asphalt repair mechanisms, two negative pressure conveying mechanisms and an asphalt pressing mechanism, wherein the asphalt liquefaction mechanism is fixed in the middle of the inner bottom wall of the main body, and the feeding bucket is inserted on the top of the main body. The asphalt repairing mechanism is inserted into the interior of an elongated crack on the asphalt pavement surface through an asphalt repairing mechanism, A liquid asphalt inside the asphalt liquefy mechanism is injected into the interior of the asphalt repair mechanism by a negative pressure convey mechanism, The pressure can make the liquid asphalt fill up the inside of the narrow and long cracks completely, andthen surge upward, which ensures the integrity of the asphalt pavement, prevents the hollow inside the narrow and long cracks, and has good repairing and reinforcing effect. At the same time, the asphalt pressing mechanism effectively prevents the liquid asphalt from leaking out, and ensures the smoothness of the pavement.

The present invention provides a highway network pavement technology health condition assessment method. The method comprises the steps: surveying the operation age limits of all the roads with the same grade and the same pavement structure in an area and the pavement technology state parameters of each kilometer; establishing a mathematical relationship model of the pavement operation age limits and the technology state parameters, obtaining the regression equation and curve of the pavement technology state parameters, and calculating the technology state decaying values year by year and the regression pavement technology state average decaying lane mileage; performing statistics of the technology state decaying lane mileage of each kilometer and performing accumulation of the technology state decaying lane mileage of each kilometer, and obtaining the current pavement technology state decaying lane mileage; and assessing the highway network technology state health degree through comparison of the sizes of the average value and a measured value so as to provide basis for the area highway maintenance planning and decision. The highway network pavement technology health condition assessment method can predict the future usage condition of the pavement, and the predication data can be used for providing reference for the mid-long term maintenance and the planning of the pavement.

The invention discloses a multi-functional highway maintenance vehicle. The vehicle includes a chassis, vehicle wheels, an operating room, a diesel engine, a baffle, two support frames, two support force arms, a connecting plate, a first hydraulic retractable arm, a second hydraulic retractable arm, a milling machine assembly, a road roller assembly, and a loading machine assembly or a cleaning machine assembly. The multi-functional highway maintenance vehicle is reasonable in design, and through the arrangement of the connecting plate, the multi-functional highway maintenance vehicle not only has the functions of a milling machine but also has the functions of a road roller, a loading machine or a cleaning machine.

The invention discloses a portable efficient building asphalt road maintenance crack repairing gun and belongs to the field of building construction. The portable efficient building asphalt road maintenance crack repairing gun comprises an asphalt storage cylinder, wherein a pressurizing pump acting on the asphalt storage cylinder is connected with the top of the asphalt storage cylinder; a conveying tube is connected with the discharge hole of the asphalt storage cylinder; a cleaning mechanism, a dust collection mechanism and a guide tube are sequentially connected at one end, far away from the asphalt storage cylinder, of the conveying tube in a horizontal direction; a stirring rod is connected inside the asphalt storage cylinder. When being used, the repairing gun is pushed, in case ofcracks, irregular cracks are cleaned by using the cleaning mechanism, cleaned dust and soil are collected by using the dust collection mechanism, finally asphalt in the asphalt storage cylinder is injected into cleaned cracks through the conveying tube, and thus the working efficiency can be improved.

The invention relates to highway maintenance and service equipment, in particular to a pull-type asphalt highway maintenance vehicle which has complete functions, saves energy, is environmentally friendly, and has low cost. The pull-type asphalt highway maintenance vehicle comprises a chassis (1), an oil storage tank (2), a mixer (3), a heating device arranged between the chassis (1) and the oil storage tank (2), and an exhaust gas recovery and distribution device, wherein the oil storage tank (2) and the mixer (3) are arranged on the chassis (1); the heating device comprises a heat collection box (4) and a heat pipe (5); the heat pipe (5) is arranged in the heat collection box (4); one end of the heat pipe (5) extends into the oil storage tank (2); the exhaust gas recovery and distribution device comprises a three-way valve (6) connected with an exhaust pipe of an internal combustion engine (23), and a gas pipeline (7) arranged by the three-way valve (6); the gas pipeline (7) is connected with a cleaning nozzle (9), the oil storage tank (2) and the heat collection box (4) respectively by a cleaning valve (8), a pressurization valve (10) and a heating valve (11); and an oil pipe (12) is arranged above the oil storage tank (2).

The invention discloses a highway inspection navigation method and a highway inspection navigation system which are used for maintenance and management of highways, and are characterized in that the highway inspection navigation method comprises the following steps: a positioning navigation device is utilized to determine the position of a mobile terminal; a display device is utilized to dynamically display fixed highway road information data of the position transferred from a highway information database; and the fixed highway information data are stored in the highway road information database. The highway inspection navigation method and the highway inspection navigation system can realize the inspection information prompt at position points of highway inspection and can perform feedback and re-inspection on information of highway events in time, which effectively avoid the problem of the omission of inspection points during the highway inspection and can realize the real-time acquisition and feedback of various data. The highway inspection navigation method and the highway inspection navigation system can effectively improve the work efficiency of operating personnel, improve working quality, strengthen the supervision to the work of operating personnel, and improve the management level of highway maintenance.

The invention discloses a road maintenance data visual management system, which is used for statistics and management of basic road maintenance data. The management system comprises a database and a visual platform, wherein the database has road and subsidiary facility data and road space data, and is used for performing integrated display on the road and subsidiary facility data and the road space data, and providing spatial query and attribute query results; and the visual platform performs visual display on the database in a map form by utilizing a geographic information system (GIS). According to the system, digital road maintenance management can be realized, conventional paper file recording is got rid of, data storage and expansion capabilities are greatly improved, and the use of a query interface is simple and quick, so that the maintenance management work becomes simpler, more convenient and more visual.

The present invention relates to a construction method for repairing high-speed road surface concrete split, which is characterized by that its uses a special-purpose material 'cuoliping' to make the concrete split by quickly levelled so as to attain the goal of quickly repairing concrete split.

The invention relates to an ultrasonic anti-icing and ice-removing complete device used for a highway pavement and belongs to the fields of ice-removing tools and highway maintenance devices. The device is characterized in that a start-stop controlling device 1, an adjusting device 2, an ultrasonic wave generating device 3 and a transduction device 4 are connected to each other to form a complete unit 12 together. A temperature sensor 5 is connected to the complete unit 12 through the connecting device 11, a humidity sensor 6 is connected to the complete unit 12 through a connecting device 11 and an ice thickness sensor 7 connected to the complete unit 12 through the connecting device 11. An energy-storage battery 8 is connected to the complete unit 12. An external power supply 9 is connected to a power supply adapter 10. The power supply adapter 10 is connected to the complete unit 12 and the energy-storage battery 8. The start-stop controlling device receives a sensor signal and enables a high-frequency mechanical oscillation to be generated in the transduction device 4 through cooperative control among the adjusting device 2, the ultrasonic wave generating device 3 and the transduction device 4 so that a cavitation effect is generated in pavement liquid and a high-effective shock wave is generated for enabling a surface tension wave having a limited amplitude to be generated in a surface of the liquid, thereby preventing the pavement from being frozen.

The invention discloses a pavement structural strength forecasting method which comprises the following steps: obtaining a pavement quality grade through detecting pavement damage and pavement deflection data of each sampling road section, arranging according to a sequence of the pavement quality grade and obtaining each group of pavement condition indexes PCI and pavement structural strength indexes PSSI corresponding to each sampling road section; respectively computing PCI and PSSI moving average values from the PCI and PSSI values of each sampling road section; obtaining a PSSI gradient value through each group of moving average values and obtaining an interval value of two PCIs when the PSSI gradient value is changed correspondingly to the PCIs; forecasting an interval value of two corresponding PSSIs through the interval value of the two PCIs and obtaining a corresponding diagram of the PCI value and the PSSI value; measuring the PCI value of a to-be-detected pavement and obtaining the PSSI value of the to-be-detected pavement through the corresponding diagram. The invention has accurate detection, reduces the detection cost and improves the highway maintenance efficiency.