680 results about "Water transport" patented technology

The invention relates to a navigation equipment health management method based on an SAITS algorithm and a digital twin platform. The method comprises the following steps: acquiring navigation equipment operation data; adopting an improved SAITS algorithm to carry out interpolation on missing data, and predicting to obtain future navigation equipment operation data; identifying current and future abnormal states of the navigation equipment by adopting a self-adaptive anomaly detection algorithm; constructing an equipment fault mode knowledge graph according to the identified equipment exception; simulating the operation of the navigation system by using a digital twin platform, verifying the confidence coefficient of equipment abnormity, and generating a health assessment report; if the confidence coefficient is not smaller than a confidence coefficient threshold value, generating an exception coping strategy in combination with an equipment fault mode knowledge graph; incremental learning or retraining is carried out on an adaptive anomaly detection algorithm to improve the detection accuracy. The method has remarkable advantages in the aspects of improving the navigation equipment management efficiency, reducing the fault risk, optimizing the maintenance cost and the like, and is particularly suitable for water transportation scenes with strict requirements on reliability and real-time performance.

The invention discloses an inland river water transportation facility monitoring data secure transmission method based on a block chain technology, and the method comprises the following steps: selecting an optimal sensor for data collection according to the geographic position and operation environment of a facility through a dynamic sensor switching mechanism, and eliminating errors caused by equipment faults and environment interference, after the collected data is subjected to time-space aggregation processing and classified according to geographic areas and time windows, based on a block chain node selection algorithm, an optimal node is selected for data transmission, the data is encrypted by adopting a hierarchical encryption strategy, the encrypted data is stored in a block chain network, and the data is transmitted to the block chain network through a threshold-triggered smart contract. And monitoring the stored data in real time, and automatically adjusting a monitoring scheme or starting an emergency mechanism when the stored data exceed a preset threshold value. The invention aims to improve the security and integrity of monitoring data transmission.

The invention discloses an agent-based water transportation engineering project management aid decision-making system and method. The system comprises a data acquisition unit; the data storage unit is used for storing the collected data; the data preprocessing unit is used for preprocessing the data acquired by the data acquisition unit; the knowledge graph construction unit is used for constructing a knowledge base; the updating and maintaining unit is used for regularly updating and maintaining the knowledge base so as to reflect the latest industry specifications, engineering cases and scientific achievements; the intelligent model unit is used for establishing a model; and the model training unit is used for training the model. According to the invention, improvement is carried out from four aspects of automatic data processing, efficient and accurate integration of a comprehensive knowledge graph, establishment of an intelligent model, training for application and decision support and optimization, an efficient, accurate and high-adaptability auxiliary decision-making system and method are provided, and the efficiency and quality of project management are greatly improved.

The invention relates to a lockage ship reservation scheduling optimization method. The method comprises the following steps: S1, obtaining ship information of a water transportation junction, attribute information of a ship lock and ship remote lockage declaration information; s2, taking the minimization of the ship lock waiting time and the ship reservation adjustment rate as optimization objectives, constructing a ship reservation scheduling double-objective optimization model, and establishing constraint conditions satisfied by lockage ship reservation scheduling; and S3, performing iterative solution on the ship reservation scheduling dual-objective optimization model based on a fast non-dominated sorting genetic algorithm to obtain an optimized lockage ship scheduling scheme. The technical problems that existing ship lock resources are not enough in utilization and the ship dam passing efficiency is not high are solved, the waterway traffic jam problem can be effectively relieved, the overall ship lock passing efficiency can be improved, the ship waiting time is shortened by optimizing the matching relation between the ship dam passing number and the ship lock service capacity, and the ship dam passing efficiency is improved. And the ship reservation adjustment rate is reduced, so that the ship lockage efficiency is improved.

The invention discloses a flood season ship scheduling optimization method and system based on channel-ship lock coordination, and belongs to the technical field of water transportation traffic intelligent management, and the method comprises the steps: obtaining ship information, ship lock attribute information and flood season channel navigation requirement information of a water transportation junction; taking minimization of the total waiting time of the ship in the anchorage ground as an optimization target, constructing a ship scheduling optimization model, and establishing constraint conditions satisfied by ship lockage scheduling in the flood season; solving the ship scheduling optimization model based on a dynamic multi-population particle swarm optimization algorithm of recombination learning and mixed mutation to obtain an optimized flood season ship scheduling scheme; estimating the carbon emission of the ship, and verifying the low carbon and sustainability of the ship scheduling scheme in the flood season. According to the method, the ship off-anchor time and channel-ship lock coordination decision problem can be solved, the defect of shortage of a flood season scheduling method is overcome, and an effective reference is provided for reducing the ship navigation risk and improving the ship scheduling efficiency.

The invention discloses a method for improving channel traffic volume based on an underwater map, and belongs to the technical field of water transportation traffic, and the method comprises the following steps: S1, constructing an underwater high-precision map, deploying an unmanned ship and an underwater robot, and collecting underwater topographic data by using a multi-beam sounding technology to construct a high-precision underwater map; s2, establishing a dynamic channel planning model, collecting hydrological data and ship traffic data of different time and places of a channel by using a big data analysis and machine learning algorithm, and generating a dynamic channel use scheme; and S3, integrating a ship navigation and management system, developing ship navigation terminal equipment, and integrating the dynamic channel planning model with a monitoring system of a channel management department. According to the invention, channel resource utilization is optimized, intelligent dynamic planning is realized, ship passing efficiency, navigation autonomy, navigation safety and system stability and reliability are improved, channel management scientificity is enhanced, and cooperation of ships and management departments is enhanced.

The invention discloses a water transport ship operation state monitoring method and system based on channel information fusion, and the method comprises the steps: obtaining multi-source data of a target channel, including ship real-time navigation data and channel environment data, and carrying out the data value evaluation; fusing the multi-source data according to an evaluation result, generating comprehensive state monitoring data of the target channel, and constructing a water transport ship monitoring platform; using the platform to monitor the ship in the target channel in real time to obtain operation state data; and evaluating the environmental adaptability of the ship according to the data so as to optimize the distribution strategy of the monitoring resources. The method improves the precision of water transport ship monitoring and the resource utilization efficiency, and is suitable for intelligent channel management.

An apparatus and a method are provided for a mobile reservoir system to provide potable water to desired destinations. The mobile reservoir system includes a waterborne vessel that includes a cargo hold. A collection unit comprised of a material for safe and sterile storage of potable water is disposed in the cargo hold. One or more collectors channel rainwater into the collection unit. Each collector is a sheet of a non-porous material supported on a retractable frame and a plurality of support arms. The sheet provides a surface area for collecting rainwater. A porous material covers the collection unit and operates as a filter for collected rainwater. A retractable cover may be extended over the cargo hold to provide protection to the collected rainwater in the collection unit. A filtration system is configured to offload the rainwater as potable water.

The invention discloses an intelligent water depth measurement method for waterway maintenance of a water transportation project, and particularly relates to the technical field of water conservancy projects. Historical sounding data, meteorological and hydrological parameters, real-time sonar echo data and unmanned surveying ship path information of the target channel area are acquired; a multi-source sounding data fusion model is constructed, and heterogeneous data fusion is realized by adopting wavelet domain feature extraction, remote sensing delay compensation and a graph attention mechanism; constructing a water depth evolution characteristic spectrum based on multi-scale spatial domain characteristic extraction; modeling a water depth propagation relationship between the sounding units by using a graph neural network; projecting the evolution graph to a section grid, and outputting a continuous water depth prediction value in combination with residual error correction and a rolling prediction strategy; identifying a water depth deviation by comparing with a designed navigation depth, and constructing a risk map layer; the method has the advantages of high prediction precision, strong adaptability, good response real-time performance and the like, and can be widely applied to scenes of channel siltation monitoring, scouring early warning, shipping maintenance management and the like.

The invention belongs to the technical field of water transportation engineering static pressure pile planting machines, and particularly relates to a fixing clamp for a cold-bending Z-shaped steel sheet pile static pressure pile planting machine. The Z-shaped steel plate is arranged at the bottom of the pile planting machine body; the clamping assembly comprises a movable clamp, a fixed clamp, a pushing assembly and a deflection assembly, the movable clamp and the fixed clamp are distributed front and back and located at the bottom of the pile planting machine body, and the pushing assembly is connected with the movable clamp and used for driving the movable clamp to move; the deflection assemblies are arranged on the opposite sides of the movable clamp and the fixed clamp respectively. According to the U-shaped static pressure pile planting machine steel sheet pile fixing clamp, the U-shaped static pressure pile planting machine steel sheet pile fixing clamp is improved, the fixing clamp is changed into a structure with a notch, the fixing clamp can clamp the locking opening position of a cold-bending Z-shaped steel sheet, and therefore under the condition that clamping force is not lost, the stability of the fixing clamp when the fixing clamp clamps the Z-shaped steel sheet is guaranteed.

The invention relates to the technical field of water conservancy and hydropower engineering, in particular to a water conveyance tunnel intersection confluence construction method and a confluence system. The construction method comprises the steps that a main hole is excavated, a main adit intersection is excavated on the main hole, a straight-going central axis of the adit is established at the main adit intersection, the straight-going central axis of the adit and the straight-going central axis of the main hole are arranged at an angle, the adit is excavated according to the established straight-going central axis, and the straight-going central axis at the tail end of the adit is reconstructed to be an arc-shaped central axis. And flow guide piers with the same radian are arranged in the tail ends of the branch holes and are used for guiding water flow in the branch holes into the downstream of the main hole. The water flow direction in the branch hole is at the intersection of the main and branch holes, and the included angle between the water flow direction in the branch hole and the water flow direction in the main hole is reduced, so that the top flushing effect of branch hole water flow on the inner side wall of the main hole is greatly improved, and the stability of the side wall structure of the main hole is improved.

The invention discloses a supercritical high-temperature and high-pressure gate valve, belongs to the technical field of gate valves, and solves the problems that a gate plate is possibly subjected to heat collision, so that the gate plate and a valve seat are locked or clamped, and the gate plate is damaged when being separated from the valve seat. Comprising a valve body, a multi-stage air cylinder located above the valve body, a valve seat fixedly connected into the valve body, a connecting gate plate capable of vertically moving in the valve body and end gate plates located on the two sides of the connecting gate plate, and the multi-stage air cylinder comprises a piston pipe capable of vertically moving and a piston rod capable of moving in the piston pipe; the lower end of the piston pipe is fixedly connected with an inverted-U-shaped connecting frame. When the device is applied to the supercritical boiler, supercritical water transportation is controlled through the gate valve. The multi-stage air cylinder controls the gate plate to be opened and closed, and locking or clamping caused by thermal expansion is avoided. After detection of the locking monitoring system, locking of the connecting flashboard is removed preferentially, then the end flashboard is removed, and damage and sealing performance reduction are prevented.

The invention discloses a comprehensive traffic infrastructure spatial database construction method based on multi-source data. The method comprises the following steps: S1, collecting road, water transportation and aviation traffic infrastructure data; s2, establishing a data dictionary and a metadata standard according to the specification, and formulating a sub-library strategy and an interface specification; s3, carrying out standardization processing on the attribute data, the satellite image data and the space vector data; s4, formulating a spatial data fragmentation strategy based on a geographic area, constructing a full-text index and spatial index system, and optimizing storage and query; s5, carrying out collaborative management on the K-V storage and the MySQL (Structured Query Language), the PostGIS (Geographic Information System), the MongoDB, the ElasticSearch and the K-V storage; s6, designing an expansion mechanism in the storage layer, the retrieval layer and the calculation layer; and S7, establishing a unified retrieval platform based on the database, fusing grid and vector data, and supporting spatial visualization and semantic retrieval. The method improves the data fusion, retrieval and expansion capabilities of the traffic infrastructure, and is suitable for the construction of a comprehensive traffic information platform.

The invention relates to the technical field of intelligent mine mining, in particular to a numerical simulation method for matrix-fracture-roadway water transportation coupling. The method specifically comprises the following steps: extracting matrix and roadway information from a GIS system, and generating simplified one-dimensional roadway grid information including a three-dimensional matrix and a two-dimensional crack; physical property parameters, pressure and speed boundary conditions are set according to actually measured mine conditions; solving the permeability of the three-dimensional matrix and the two-dimensional fracture; carrying out discrete solution on the seepage equation of the three-dimensional matrix and the two-dimensional fracture and the Bernoulli equation of the roadway, and setting coupling conditions, namely, carrying out coupling calculation according to the principle that the pressure intensity is the same and the flow meets superposition, so as to obtain flow velocity information under different dimensions; after one-dimensional roadway rapid calculation, the water inrush flow and the water inrush level are obtained, and on this basis, local visual display and early warning are conducted through an SPH method. By means of the method, the migration condition of underground water can be completely simulated, and then the purpose of optimizing engineering design is achieved.

The invention provides a river-sea combined transport ship entering and leaving scheduling plan determination method and determination system, relates to the technical field of water transport informatization, and aims to solve the problems of poor reasonability of a ship entering and leaving scheduling plan and low ship navigation efficiency in the prior art. The river-sea combined transport ship entering and leaving scheduling plan determination method comprises the steps of obtaining basic information of river ships and sea ships, wherein the basic information at least comprises port reporting sequence information and shared channel information of the ships; determining a first ship port entering and leaving scheduling plan based on the basic information; performing at least one simulation optimization on the first ship entering and leaving scheduling plan, and determining a second ship entering and leaving scheduling plan; the second ship port entering and leaving scheduling plan comprises a ship passing sequence, a shared channel utilization rate and ship waiting time; the ship passing sequence meets a preset condition; the shared channel utilization rate meets a first preset threshold value; the ship waiting time meets a second preset threshold value; and scheduling the ships entering and leaving the port based on the second ship entering and leaving scheduling plan.

The invention relates to the field of water treatment, and particularly discloses a 3D arch-bridge-shaped carbon nano tube hollow fiber membrane solar interface evaporator and a preparation method and application thereof.The 3D arch-bridge-shaped carbon nano tube hollow fiber membrane solar interface evaporator comprises heat insulation foam used for floating on the sea surface, and the upper surface of the heat insulation foam is provided with an arch-bridge-shaped evaporation component which is used for seawater evaporation and is of a porous and / or multi-gap structure; the arch-bridge-shaped evaporation part is an arch-bridge-shaped carbon nano tube hollow fiber membrane. The solar interface evaporator integrates multiple functions of light absorption, water transmission, salt tolerance and the like, can efficiently utilize solar energy to carry out seawater desalination, has the characteristics of high evaporation speed, high photo-thermal conversion efficiency and high stability, and has a wide application prospect in the field of solar seawater desalination.

The invention relates to the field of emergency decision-making, and particularly discloses a multi-department collaborative decision-making method and system based on a large model and water transportation safety risk event grading, which is used for constructing ship navigation comprehensive situation characteristics by carrying out multi-dimensional parameter joint perception on ship AIS data and ship navigation environment data. Then, all historical risk event records related to the current ship navigation comprehensive situation in a professional knowledge base in the water transportation safety field are inquired, deep context modeling is carried out on the historical risk event records to capture safety risk modes and coping strategies possibly existing in current ship navigation, and then the safety risk modes and coping strategies are obtained; semantic reasoning is carried out on the historical risk event context reference features and the current ship navigation comprehensive situation features by means of a large model, so that risk assessment and collaborative decision suggestions for the current ship are generated. The method not only can adapt to real-time navigation situation evolution, but also has credible support of historical disposal experience, and provides effective guarantee for timeliness and collaboration of cross-department emergency response.

The utility model relates to the technical field of lifting of lifting appliances, in particular to a stone lifting clamp for water transportation engineering. The device comprises a supporting frame and clamping rods symmetrically hinged to the supporting frame, and linkage mechanisms used for driving the clamping rods to rotate are arranged on the clamping rods. The linkage mechanism comprises a linkage rod hinged to the middle of the clamping rod, a lifting seat hinged to the linkage rod, a sling fixedly connected to the lifting seat and a displacement assembly used for driving the lifting seat and the supporting frame to be close to each other. The lower end of the clamping rod is provided with a chuck for preventing the stone from sliding; the clamping rods of the device can be automatically opened and closed, and workers do not need to manually separate the clamping rods; the device is suitable for stones with different thicknesses within a certain range.

The invention relates to an intelligent trestle control system for a molten iron combined transportation dam-crossing railway, which comprises a monitoring device and a plurality of subsystems, and is characterized in that each subsystem comprises a water level measuring device for measuring the water level condition in real time; the intelligent electric hydraulic mechanism is used for automatically adjusting the height of the bridge pier according to the real-time water level condition so as to adjust the height of the trestle; the gantry crane control system is used for controlling transportation of containers between a railway train and a cargo ship and comprises the steps that after the cargo ship is parked on one side of a trestle, the containers on the cargo ship are hoisted to the train parked on the trestle, or the containers on the train parked on the trestle are hoisted to the cargo ship parked on one side of the trestle; the rapid gate opening and closing device is used for controlling the gate opening and closing state of the flood control gate groove section based on the real-time water level condition; and the monitoring device is used for being connected with the subsystems through the multi-modal data fusion processor and executing cooperative control.

The present invention relates to a hydrofoil system the includes a controller; a foil for engagement with the waterborne vessel, the foil comprising a plurality of adjustment members operable to vary the lift characteristics of the waterborne vessel; a propeller; an engine and gearbox located adjacent the foil and operable / in mechanical communication with the propeller; a plurality of sensors in electrical communication with the controller, each sensor configured to monitor flight parameters of the waterborne vessel and generate measured flight parameter data; wherein the controller is in communication with the adjustment members, the engine and the sensors and wherein the controller is configured to receive measured flight parameter data from the sensors and to control the operation of the engine and the position of the adjustment members in dependence upon the received measured flight parameter data. Further provided is a waterborne vessel including such a hydrofoil system.

The invention discloses thermal power plant desulfurization wastewater purification equipment and method, and relates to the technical field of wastewater treatment.The thermal power plant desulfurization wastewater purification equipment comprises a vertical pipe, telescopic pipes are fixedly connected to the top end and the bottom end of the vertical pipe correspondingly, and first flanges are fixedly connected to the positions, close to the top and the bottom, of the outer side edge of the vertical pipe correspondingly; through mutual cooperation of a vertical pipe, a telescopic pipe, a sealing plate, a cam and other structures, the vertical pipe and the telescopic pipe can be placed between a water conveying device and purification equipment, the vertical pipe and the telescopic pipe are installed between the water conveying device and the purification equipment through bolts, a first flange and a second flange, and a motor drives a transmission rod to rotate; the transmission rod drives the cam to rotate, the cam drives the top disc to move up and down, and the top disc drives the sealing plate to move up and down, so that the primarily treated desulfurization wastewater and large-particle impurities are discharged, the large-particle impurities are filtered by the filtering disc, and the desulfurization wastewater flows into the purification equipment.

The invention relates to a gas diffusion layer suitable for low-humidity operation and a preparation method and application thereof.The gas diffusion layer comprises a hydrophobic substrate layer and a microporous layer, the microporous layer comprises hydrophilic particles, hydrophobic particles and perfluorinated sulfonic acid resin, and the microporous layer is of a leaf vein-like bionic design structure. According to the gas diffusion layer disclosed by the invention, the microporous layer constructs an efficient gas and water transmission channel by utilizing hydrophilic particles and hydrophobic particles, and the microporous layer structure of the gas diffusion layer is subjected to'leaf vein 'bionic design, so that the gas diffusion layer has high gas transmission characteristic while having high moisture retention; the problem of poor reaction gas transmission in the membrane electrode of the proton exchange membrane fuel cell under high moisture retention is effectively solved, and high-performance stable operation of the membrane electrode of the proton exchange membrane fuel cell under low reaction gas humidification is realized.

An system is disclosed herein. The system includes a compressor configured to pump a refrigerant in a defrosting mode, a heat exchanging coil configured to receive the refrigerant from the compressor so as to operate in the defrosting mode and melt ice formed on the heat exchanging coil into condensate, a condensate pump, and a water transport system. The condensate pump is configured to pump the condensate via the water transport system. In some instances, a portion of the water transport system is disposed such that residual heat from the compressor heats the condensate being pumped by the condensate pump.

The utility model relates to the technical field of atomizers, in particular to an atomizer applied to a cat litter basin, which comprises a water storage box, a host, a water delivery component and an atomizing head, the water storage box is arranged on the bottom face of the main machine, a mounting groove is formed in the main machine, the water conveying assembly is arranged in the water storage box and communicated with the mounting groove, and the atomizing head is detachably arranged in the mounting groove and communicated with the water conveying assembly in an inserted mode. According to the utility model, the atomizing head and the main machine are of a split type plug-in structure, so that the atomizing head can be quickly disassembled and replaced after an atomizing sheet in the atomizing head is damaged; when the atomizer is matched with the cat litter basin for use, the whole atomizer can be detached from the cat litter basin, so that deodorant liquid in the atomizer can be conveniently replaced, and the atomizer can be conveniently checked and maintained; and meanwhile, the mounting stability can be guaranteed, and the problem of falling caused by shaking is avoided.

The invention relates to the field of concrete, in particular to low-magnetism low-hydration-heat concrete and a preparation method thereof. The concrete comprises the following raw materials: a cementing material, fine aggregate, coarse aggregate, water and a water reducing agent, the cementing material comprises cement and slag powder, the cement accounts for 60%-70%, and the slag powder accounts for 30%-40%; the coarse aggregate adopts three-graded broken stone, the maximum particle size is 80 mm, the maximum value allowed by water transportation engineering specifications is met, and the use amount of a cementing material is effectively reduced and can be reduced by about 15% compared with that of common C30 concrete; the reduction of the cementing material not only can reduce the cost of the concrete and bring remarkable economic benefits, but also can reduce the hydration heat in the mass concrete, and does not need to add a hydration heat inhibitor to reduce the cracking risk of the concrete; the raw materials are detected by a metal detector, so that the raw materials are prevented from being mixed with magnetic substances, the slump of the concrete is 30-80mm, and the concrete is transported by adopting a hanging tank, a belt conveyor, a dumper and the like, so that the construction is convenient.

The present application provides a method and device for identifying waterway congestion based on AIS big data. The method provided by the present application includes: obtaining the ship AIS data of the target waterway; determining the time to be identified of the target waterway, dividing the time to be identified based on the distribution characteristics of the ship AIS data, and determining the data analysis time unit; extracting the corresponding data fragments of the ship AIS data based on the data analysis time unit; determining the multiple types of waterway congestion evaluation index values ​​corresponding to each time period according to the calculated values ​​of the multiple types of waterway congestion evaluation index values, and summarizing the waterway traffic characteristics within the time to be identified; clustering the waterway traffic characteristics, and determining the congestion degree of the target waterway within the time to be identified according to the clustering results. The method and device provided by the present application are used to calculate more accurate waterway congestion evaluation indicators, reflect the congestion situation during the passage of waterway in more detail, and improve navigation efficiency.

This invention relates to a carbonized loofah photothermal evaporator with a wall-like structure and its preparation method, relating to the field of solar-driven interfacial water evaporation. The invention utilizes freeze-drying technology to dry fresh loofah, obtaining a freeze-dried loofah that retains its porous structure; then, it carbonizes the freeze-dried loofah in a tubular furnace under an inert gas environment. The carbonized loofah retains the anisotropic structure of the inner and outer layers of the fresh loofah. The outer layer, with its dense structure resembling a wall, maintains its shape and provides structural protection. The inner layer, with its loose and porous structure, acts as a channel for directional water transport, facilitating efficient water evaporation. The resulting integrated carbonized loofah photothermal evaporator exhibits excellent water transport rate and good photothermal conversion capability, making it applicable to interfacial water evaporation. This evaporator uses readily available raw materials, has a simple manufacturing process, high photothermal evaporation efficiency, and is environmentally friendly, showing promising applications in seawater desalination.

The invention relates to the technical field of water transportation engineering environment management and data processing technologies, and discloses an optimization method for water transportation engineering construction whole-process environment management, which comprises the following steps: collecting real-time data and historical data of water transportation engineering construction whole-process environment data through a sensor, and carrying out data preprocessing on the real-time data and the historical data; storing the preprocessed real-time data and historical data in a distributed database, and respectively performing classification and tagging management to form first category feature data and second category feature data; constructing an environment change prediction model based on a long short-term memory network, and performing learning training of environment change prediction on the second type of feature data; and importing the first type of feature data into the trained environment change prediction model, optimizing the parameter precision, and predicting the environment change trend. According to the method, the real-time performance of environment monitoring, the intelligent level of data processing and the accuracy of prediction are improved.

The invention discloses an efficient maintenance method for a cement stabilized macadam base, and relates to the technical field of buildings. According to the efficient maintenance method for the cement stabilized macadam base, the water-retaining property of the covering device is guaranteed through the geotechnical cloth water-retaining layer, so that the covering object is better kept wet in the maintenance process; the cement stabilized macadam base is well prevented from being influenced by water shortage during maintenance due to the toughness and the water conveying capacity of the polyethylene water distribution pipe; the reserved connecting port of the water distribution pipe has the effects of connecting a water supply pipe and connecting a plurality of covering device units, sufficient water maintenance of a cement stabilized macadam base layer in a covering area is guaranteed as far as possible, and meanwhile, the performance of convenient disassembly and assembly provides the effects of being suitable for maintenance of areas with any area and recycling of the device during maintenance of the cement stabilized macadam. Due to the water sealing performance of the polyethylene water sealing layer and the water supplementing holes formed in the water distribution pipe, only a small amount of water in the cement stabilized macadam base is evaporated.

The invention provides a conveniently-moved floating bollard inner groove supporting system, which belongs to the technical field of water transportation engineering and comprises steel plates arranged in pairs, supporting frames are arranged on the inner sides of the steel plates, the steel plates and the supporting frames are fixedly connected through channel steel, connecting blocks are fixedly connected between the steel plates and the supporting frames, and the connecting blocks are fixedly connected with the steel plates. The pair of connecting blocks is hinged through a hinge, the steel plate is fixedly connected with the supporting frame through a first screw rod, and the supporting frame is fixedly connected with a supporting block. The floating bollard supporting system solves the problems that an existing floating bollard supporting system cannot support an inner groove of a floating bollard in the stage of pouring concrete for embedding the floating bollard, the mounting efficiency of the supporting system is reduced, the pouring concrete is likely to push a floating bollard embedded part to the inner side, and the service life of the floating bollard embedded part is shortened. And the installation quality of the floating bollard is reduced.