303 results about "Urban construction" patented technology

The embodiment of the invention provides a BIM-GIS three-dimensional twin geological modeling method and system based on cognitive enhancement. The method is applied to the technical field of geological modeling, and comprises the following steps: acquiring different data sources to carry out geological data acquisition, and carrying out preprocessing to obtain preprocessed geological data; converting the geologic body into a voxel three-dimensional model according to the preprocessed geologic data; performing multi-level optimization processing on the voxel three-dimensional model, constructing an optimized model, and performing three-dimensional display; and performing mineral resource space distribution prediction according to the voxel three-dimensional model, predicting the position and the number of mineral resources in combination with historical exploration data and a convolutional neural network, and performing underground water flow simulation analysis in combination with an underground water flow model. In this way, by combining the BIM and GIS technologies, the three-dimensional geological data can be efficiently and accurately managed and displayed, and the method can be widely applied to the fields of geological exploration, mining development, urban construction and the like.

The invention provides an urban construction and traffic engineering investigation and design enterprise product quality management system and method. The system comprises a cross-project type quality data fusion module, a dynamic defect evolution prediction module, an intelligent layered spot check engine, a three-dimensional quality situation deduction module, a conference knowledge graph construction module, a result influence evaluation module and a self-adaptive file management system. All the modules are connected through a unified data bus to form a closed-loop management process of quality data acquisition, analysis, decision and feedback. According to the system, through the functions of multi-modal data fusion, defect prediction, intelligent spot check, situation deduction, knowledge precipitation, achievement evaluation, file management and the like, the whole-process intelligent management and control of the project quality are realized, and the management efficiency and the decision scientificity are improved.

The invention discloses an urban construction project whole-process quality safety closed-loop supervision and tracing platform and method, and relates to the field of data tracing, and the method comprises the steps: constructing a project whole-life-cycle digital twin based on urban construction project data, and presetting a quality safety standard parameter set; implanting an Internet of Things traceable unit in the urban construction project key entity, and mapping the association relationship and the entity to a digital twinborn body; processing data acquired by the sensor network to generate a structured engineering state data set; an anomaly detection model is constructed based on CNN and LSTM, and when data deviates from a threshold value, early warning is triggered and a responsibility chain is traced; generating a processing instruction tree, and distributing the processing instruction tree to a responsibility subject; and the responsibility subject uploads a disposal process and a result, binds the disposal process and the result with an early warning event ID after Hash encryption, and stores the disposal process and the result in a traceability database. The method has the advantages that efficient quality safety supervision and tracing of the whole urban construction project process are achieved through the digital twinborn bodies, and the project safety and management efficiency are improved.

The invention discloses an urban construction intelligent monitoring system integrating geographic information and the Internet of Things technology, and belongs to the technical field of urban construction. In order to solve the problems that response to urban problems is lagged and development imbalance among urban areas is difficult to effectively reveal and solve, environment monitoring and infrastructure state evaluation are fused, the intelligent degree, real-time monitoring and quick response of urban management are remarkably improved, the processing speed of the urban problems is effectively improved, and the urban management system is suitable for urban management. The urban area is comprehensively evaluated through the evaluation index system, meanwhile, policy making is more refined through the area grading function, data support is provided for resource allocation, the timeliness of information is kept through continuous data updating, and the evaluation result is combined with a G IS system, so that the system is more efficient and reliable. The problem area and the dominant area are visually displayed, the balanced development of a city is promoted, and the overall living environment quality is improved.

The invention provides a smart city construction energy intelligent management scheduling regulation and control system, and relates to the field of energy intelligent management, comprising the following steps: the system detects energy physical parameters in real time through an event chain generation module, maps data into event nodes by using an event feature extraction chip, and sends the event nodes to a cloud server; an event chain topology is constructed through a causal association engine, and a nonlinear priority is generated; the responsibility collaboration module creates a scheduling instruction and a responsibility node based on the priority, calculates a responsibility weight through a reverse causal tracing algorithm, triggers cross-system permission degradation when the weight exceeds a threshold, and migrates the operation permission to an associated system; the paradox enhancement module injects controllable disturbance when the event chain conflicts or the responsibility nodes continuously exceed the limit, the disturbance effect is evaluated through the paradox index, the event chain topology is fed back and updated, and dynamic optimization and hidden risk prevention and control of energy dispatching are achieved.

The invention discloses an urban engineering construction suitability evaluation method and application thereof. The method comprises the following steps: S1, collecting nine types of influence factor data influencing urban engineering construction; s2, 45 specific evaluation factors are screened for each element, and an evaluation index system is constructed; s3, performing unified quantitative assignment on the evaluation factors to form a set of evaluation scoring standards; s4, according to the specific conditions of different evaluation areas, evaluation indexes are selected according to the step S2, a hierarchical structure model is established, a judgment matrix is constructed, and the corresponding weight of each evaluation factor is calculated in combination with an expert scoring method; and S5, on the basis of a CreateFishnet module of ArcGIS and a comprehensive index method, combining the calculated suitability evaluation comprehensive score of each unit grid, and finally obtaining an urban engineering construction suitability evaluation zoning result. According to the method and the application thereof, the evaluation and analysis efficiency and accuracy of the suitability of urban engineering construction are improved, urban construction planning can be better guided, and relevant government departments can make scientific and effective decisions and management.

The invention provides a water level real-time prediction method and system, electronic equipment and a storage medium, and belongs to the field of smart city construction and information. The method comprises the following steps: acquiring a water level image of a monitoring area, and preprocessing the water level image to obtain a target water level image; performing feature extraction on the target water level image by adopting a pre-constructed water level monitoring model to obtain corresponding feature data, and determining real-time information of the current water level based on the feature data; and inputting the corresponding time sequence data into a pre-trained water level prediction model, so that the water level prediction model predicts the water level change in the future. Through combination of the strong image processing capability of the residual neural network and the analysis capability of the long and short-term memory network on time sequence data, accurate monitoring and accurate prediction of the water level height are realized, powerful support is provided for the fields of flood control and disaster reduction, water resource management and the like, and the method has high expandability and flexibility and is suitable for popularization and application. The method can be suitable for water level monitoring and prediction requirements in different scenes.

The invention discloses a sponge city seepage and drainage structure and a sponge city water circulation system, and relates to the technical field of sponge city construction. A capillary air flotation grading pretreatment unit, a rhizosphere electro-catalysis layer and a mineral conversion filler layer are sequentially arranged below the permeable pavement layer in the rainwater permeation direction, and the drainage layer is a piezoelectric drainage layer; according to the method, blockages are subjected to capillary air flotation classification, minerals are converted into purification carriers, solid waste outward transportation is avoided, and heavy metal pollution is prevented; the water circulation end depends on photovoltaics, an external power grid is not needed, and carbon is reduced; sensor linkage adapts to a purification mode of high / low-pollution rainwater, and a straw self-cleaning function at the seepage and drainage end is prevented from being interrupted; the magnetic sensitive medium is prepared by converting blockages, outsourcing is avoided, and the cost is reduced; the ultrafine particles in the by-products assist in purification, the uleucite is used for preparing the pervious concrete, and the zeolite is used for improving the soil, so that environmental protection and resource regeneration are realized.

The invention provides a city extension simulation method and device, equipment and a storage medium. Relates to the technical field of city simulation. The method includes: selecting an interaction target based on a neighborhood configuration; performing feature extraction on the interaction target to obtain features of the interaction target; constructing a graph structure based on the characteristics of the interaction target; based on the graph structure, constructing a high-order graph attention network; a vector cellular automaton is integrated in the high-order map attention network to obtain an HGAT-VCA model, and city expansion simulation is realized based on the HGAT-VCA model; wherein the vector cellular automaton is used for calculating the total transition probability and determining the land utilization type. According to the method, the expansion of the urban construction land can be simulated and analyzed from a multi-scale and multi-level angle, the complex process of urban expansion and expansion paths under different scenes can be disclosed, and an existing urban expansion theoretical model is enriched.

The invention relates to the technical field of control valves for fluid pipelines, in particular to a corrosion-resistant long-acting rotary closing type check valve with a self-checking function, which comprises a valve body, and at least one stage of check valve assembly is arranged in the valve body; the check valve assembly comprises a first support and a second support, a sliding rod is movably connected to the middle of the first support, a valve element is fixedly connected to the sliding rod, a valve port is formed in the valve body, the valve element can close the valve port in a one-way mode, the sliding rod is sleeved with a spring, and the spring deforms when the valve element is far away from the valve port. The check valve assembly further comprises a guide mechanism, the guide mechanism is arranged in the valve body, and the guide mechanism can enable the sliding rod to rotate while sliding relative to the first support. The invention is applied to the field of fluid pipelines for industrial production, aviation ships and urban construction, and can improve the effects of preventing reverse inrush flow and preventing leakage.

The invention discloses a town space three-dimensional structure and population flow correlation analysis method, and relates to the field of town space and population flow correlation analysis, and the method comprises the following steps: constructing a town construction index system based on a town construction data set, and carrying out the structural feature analysis of the town construction index system, urban construction three-dimensional space structure features are obtained; the method comprises the following steps: acquiring mobile phone signaling data by using a base station, identifying commuting behaviors of urban population, and constructing network structure characteristics of urban population flow; and constructing and training a regression model by using a LightGBM algorithm, and carrying out interpretive analysis on the regression model through an SHAP algorithm. According to the method, the importance degree of each feature of the urban spatial structure to population flow is explored by analyzing the spatial-temporal correlation between the urban spatial features and the population flow, and thus valuable reference is provided for the urban development planning direction by effectively utilizing the population flow trend.

The invention relates to the technical field of waste-free city carbon emission, and discloses a method for evaluating waste-free city construction carbon emission reduction benefits, which comprises the following steps: collecting related data of waste-free city solid wastes in a reference year and a target year; according to an emission factor method and a WARM model, determining a carbon footprint, and calculating the total carbon emission amount of the solid waste; setting a plurality of carbon emission reduction scenes of a waste-free city construction target year according to relevant national and urban plans; based on a WARM model and carbon footprint setting, carbon emission under each carbon emission reduction scene is calculated; based on a carbon emission calculation result, evaluating a carbon emission reduction benefit under a waste-free city policy; according to the evaluation result, a policy optimization scheme is provided, a carbon emission reduction monitoring system is arranged, and the purpose of medium-and-long-term carbon neutralization is achieved. The method effectively solves the problems that current carbon emission reduction evaluation is not accurate and systematic tools are lacked, helps local governments to realize accurate emission reduction and dynamic adjustment of waste-free targets, and has important practical significance and popularization value.

The invention relates to a method for evaluating the applicability of a hydrogen energy project in urban construction, and the method comprises the steps: building an urban low-carbon energy system full-life-cycle optimization model of a current city with the minimum annual total cost of the city as a target; obtaining hydrogen potential evaluation data corresponding to the current hydrogen energy project, and inputting the hydrogen potential evaluation data into the whole life cycle optimization model of the urban low-carbon energy system to obtain the annual total cost minimum value of the city corresponding to the current hydrogen energy project; according to the minimum annual cost corresponding to the current hydrogen energy project, the leveling cost for measuring carbon dioxide emission reduction during transition from the city to the future low-carbon energy system is obtained; and the applicability of the current hydrogen energy project in urban construction is evaluated based on the average hydrogen price corresponding to the current hydrogen energy project, the average hydrogen price corresponding to the current hydrogen energy project and the leveling cost of carbon dioxide emission reduction, so that the evaluation efficiency can be improved.

The invention belongs to the field of asphalt concrete recycling, and particularly relates to an urban construction road asphalt concrete recycling device and an operation method thereof.The urban construction road asphalt concrete recycling device comprises a tank bottom, the top of the tank bottom is provided with a tank top, and the outer wall of the tank bottom is fixedly connected with a first supporting ring; according to the urban construction road asphalt concrete recycling device and the operation method thereof, the first feeding opening is blocked through the arranged flow guide block and the flow guide plate, hot air is prevented from floating upwards too fast to be discharged out of the tank top, and through guiding of the bottom of the flow guide plate, the hot air is accumulated at the included angle between the flow guide plate and the tank top; when a motor is started, a cam is driven to rotate, a second spring is matched, a piston plate moves left and right in a reciprocating mode, hot air at the included angle of a drainage plate and the tank top is extracted and squeezed downwards, and therefore the hot air floating upwards can heat waste asphalt concrete below again, and the hot air floating upwards can be blocked through a side plate; and the contact time of the hot air and the waste asphalt concrete is prolonged.

The invention relates to a relics restoration method based on a meta-universe and a digital twinborn technology, and aims to solve the problems of relics disappearance and historical memory deficiency in urban construction, and utilizes the meta-universe and the digital twinborn technology to build a relics 3D model on a meta-universe platform to realize scene restoration. A virtual scene is constructed through software such as 3DMAX and Unity 3D and related technologies, and the characteristics of identity, social contact, immersion and the like are achieved; the method has obvious advantages, the cost can be reduced, the efficiency can be increased, the real scene can be stably simulated, and multi-place policy support can be obtained. The market potential is large, and the method faces college teachers and students, culture enthusiasts and other groups. Popularization strategies such as social media propaganda and SEO are adopted, and the product has unique advantages and innovation and is flexible in pricing; in addition, the method has both campus and social public welfare, provides an innovative scheme for relics recovery, and is of great significance in the fields of cultural inheritance, education and the like.

The invention discloses a combined type steel sheet pile foundation pit supporting structure, and relates to the field of foundation pit supporting, the combined type steel sheet pile foundation pit supporting structure comprises a steel sheet pile assembly, the steel sheet pile assembly comprises a plurality of first steel sheet pile components and a plurality of second steel sheet pile components, and the first steel sheet pile components and the second steel sheet pile components are alternately spliced; the first steel sheet pile component is formed by two first steel sheet piles in a staggered and sleeved mode, the second steel sheet pile component is formed by two second steel sheet piles in a staggered and sleeved mode, and the first steel sheet piles and the second steel sheet piles which are located at the adjacent positions are also arranged in a staggered and sleeved mode. By adopting the long and short steel sheet pile combined supporting mode, the input number of the steel sheet piles is reduced, meanwhile, the driving difficulty of the steel sheet piles is reduced, the loss and waste of the steel sheet piles are effectively reduced, hole guiding construction is conducted through a drilling machine, and compared with a traditional rotary drilling pile machine hole guiding mode, the needed construction operation area is smaller, and the construction efficiency is improved. The influence of surrounding houses and roads is small, and the method is more suitable for urban construction.

The utility model discloses an anti-clogging drainage structure for urban construction roads, which comprises a middle shell, the middle shell is mounted on external equipment, a pollution discharge mechanism is arranged on the middle shell, and the pollution discharge mechanism comprises a rotating mechanism, an external connecting sleeve, a shifting piece, a side plate, a one-way sleeve, a sealing ring, a one-way disc and an adjusting mechanism. The rotating mechanism is matched with the middle shell and the shifting piece, one end of the external connecting sleeve is communicated with the middle shell, the sewage discharging mechanism achieves effective discharging of sewage through matching of the rotating mechanism, the external connecting sleeve, the shifting piece, a side plate, a one-way sleeve, a sealing ring, a one-way disc and the adjusting mechanism, and when the motor and the speed reducer drive the transmission shaft to rotate, the shifting piece rotates along with the transmission shaft, so that the sewage discharging effect is improved. The external connecting sleeve introduces sewage into the middle shell, and the sewage is discharged through the movement of the shifting piece, so that the sewage discharge process is efficient and smooth, and the smoothness of a road drainage system is ensured.

The invention discloses an urban construction archive abnormity early warning method based on artificial intelligence, and the method comprises the steps: S1, collecting and preprocessing multi-source archive data, and constructing an archive feature library; s2, extracting file text features, drawing component features and approval label features, and generating a multi-modal feature vector; s3, generating an archive knowledge graph and a time sequence feature sequence by using the multi-modal feature vector, inputting the archive knowledge graph and the time sequence feature sequence into an HGT graph neural network, and outputting archive structure embedded representation and evolution chain semantic features; s4, the archive structure embedding is compared with the version evolution chain feature, and a potential abnormal record is generated; s5, carrying out risk quantification based on the improved MC-Dropout, and outputting an abnormal type, a position and a risk level; and S6, submitting the abnormal information to an urban construction archive management platform. According to the method, the early warning strategy is optimized through the graph neural network and the uncertainty evaluation mechanism, and efficient and accurate urban construction archive anomaly recognition and early warning are achieved.

The invention discloses a combined photovoltaic-green roof device for urban construction, which comprises a bottom plate, a planting box is fixedly connected to the top surface of the bottom plate, the planting box is filled with a growth substrate layer, a filter layer and a drainage layer, a humidity sensor is arranged in soil, a water storage tank is arranged on one side of the planting box, and a filter box is arranged on one side of the water storage tank. The filter tank is communicated with the irrigation pipe and the water storage tank, the other end of the water storage tank is connected with the drainage pipe network, rainwater exceeding the water storage capacity of the water storage tank can be drained away from the drainage pipe network, the device is provided with a protection mechanism with a photovoltaic system, and solar energy can be effectively utilized while extremely severe weather is dealt with. The method pays attention to improvement of the urban green land area and the urban toughness, has the functions of rainfall flood management, heat island effect control, energy conservation and the like, and exerts the ecological and environmental values of the two to the greatest extent through a photovoltaic-biological coupling system. Urban rainfall flood disasters can be reduced, harmonious symbiosis of people and nature is promoted, and sustainable development is achieved.

The invention discloses a big data analysis and automatic evaluation system in project cost consultation, and relates to the technical field of big data analysis and evaluation. By constructing a unified data acquisition framework and a dynamic updating mechanism, efficient integration and real-time interaction of multi-party heterogeneous data are realized, data transparency and reliability are remarkably improved, a solid data basis is provided for project cost management, the system quickly and accurately optimizes various variables by utilizing comprehensive analysis and multivariable optimization technologies, and the system has a good application prospect. The system adapts to the dynamic environment, enhances the anti-risk capability of the project, ensures that the project cost management meets the real-time requirement and realizes the globally optimal solution, and in addition, through resource allocation strategy generation, view updating and decision recording and a feedback loop mechanism, the system realizes the generation and continuous improvement of a resource allocation strategy oriented to global benefit balance. The resource allocation efficiency and the long-term competitiveness of the project are improved, and powerful support is provided for sustainable development of urban construction.

The invention discloses an urban construction industrial carbon reduction path optimization and determination system, medium and equipment, and the system is characterized in that a model composed of an industrial carbon reduction object evaluation index obtaining module, an industrial carbon reduction object typing module, an industrial carbon reduction technology path generation module and a carbon reduction technology path optimization module is established; a comprehensive evaluation function is constructed for the industry of the city construction boundary range class through a genetic algorithm and the city based on the development characteristics of the city, so that the optimal carbon reduction technology path under each industry type is obtained, and finally, the economical efficiency and carbon reduction performance comprehensive optimal carbon reduction technology path in the low-carbon city construction industry field is formed. The path can fully reflect the advantages and characteristics of urban low-carbon development and the carbon reduction target, the carbon reduction target of the city can be achieved conveniently, the problem that the industrial carbon reduction path is unknown in the current urban construction process is effectively solved, and the urban construction industrial carbon reduction path conforming to the urban development policy is provided while the urban economic development is guaranteed.

The invention belongs to the technical field of solid hazardous waste treatment, and particularly relates to a waste-free urban green energy valley mode multi-element solid hazardous waste energy resource collaborative gradient utilization system. Comprising a solid hazardous waste pre-burning pretreatment energy generation and conversion system, a cyclone dust collection system, an energy gradient utilization and product coupling modification system and a waste gas centralized collection and disposal system which are sequentially connected in series. Organic high-calorific-value solid hazardous waste is converted into high-temperature energy flue gas as a core center, the high-temperature energy flue gas is used for regeneration or utilization of multi-element solid hazardous waste in a gradient mode, self-circulation type operation can be achieved through collaborative sharing of multiple pieces of production line equipment without fossil energy supply, and the production efficiency is improved. Therefore, a complete closed-loop ecological system for gradient use of solid hazardous waste resources is formed, the utilization value of the solid hazardous waste is maximized, the solid hazardous waste is truly turned into wealth, the purpose of treating waste with waste is achieved, and the method plays an important role in waste-free city construction.

The invention relates to the technical field of city construction, in particular to a city built-up environment intelligent evaluation system based on multi-source data fusion, which comprises multi-source data acquisition and processing, a city update potential recognition model, cross-scale quantitative evaluation system construction and built-up environment and city vitality nonlinear interaction mechanism analysis. The construction of the cross-scale quantitative evaluation system specifically comprises the step of establishing a comprehensive evaluation model of facility density, population matching degree and traffic network structure in combination with an AHP-entropy weight method and spatial syntactic analysis. According to the invention, through multi-source data fusion, cross-scale quantitative evaluation, machine learning modeling and interpretability analysis, an accurate, efficient and generalizable city update decision support system is constructed.

The present invention relates to the technical field of control valves for fluid pipelines, specifically a corrosion-resistant long-acting rotary closed check valve with a self-checking function, comprising a valve body, wherein at least one level of a check valve assembly is arranged in the valve body; the check valve assembly comprises a first bracket and a second bracket, wherein a sliding rod is movably connected to the middle of the first bracket, a valve core is fixedly connected to the sliding rod, a valve port is arranged in the valve body, the valve core can unidirectionally close the valve port, a spring is arranged on the outer sleeve of the sliding rod, and the spring is deformed when the valve core is away from the valve port; the check valve assembly also comprises a guide mechanism, wherein the guide mechanism is arranged in the valve body, and the guide mechanism can make the sliding rod rotate while sliding relative to the first bracket. The present invention is applied to the field of fluid pipelines in industrial production, aviation and shipbuilding, and urban construction, and can improve the effect of preventing reverse flow and leakage.

The invention particularly relates to an RTK equipment and pipeline detector integrated underground pipeline surveying system, which comprises small RTK equipment, a pipeline detector and an integrated pipeline surveying platform, and is characterized in that the integrated pipeline surveying platform is used for carrying out integrated configuration based on information of the small RTK equipment and information of the pipeline detector; and the integrated pipeline detection device is obtained. And then performing pipeline detection analysis based on the to-be-detected pipeline information and the underground environment information, and determining the working information of the detector. And then, pipeline drawing is carried out based on pipeline detection data acquired by the pipeline detector and pipeline coordinate data acquired by the small RTK equipment, and an underground pipeline diagram is obtained. According to the invention, the small RTK equipment and the pipeline detector are matched to carry out pipeline survey, so that the work which needs to be operated twice originally can be completed only through one-time operation, the pipeline survey efficiency is improved, and the underground pipeline map is drawn so as to provide indispensable basic data for urban construction and operation.

The invention discloses a layout method of an electric bicycle public charging station, and relates to the field of urban construction. The method comprises the following steps: firstly, training each basic site selection planning model of the mixed site selection planning model, and carrying out performance evaluation on a calculation result of each model; thirdly, comparing comprehensive evaluation results of the mixed site selection planning model and the plurality of basic models, and when the mixed site selection planning model is best in performance, determining an optimal decision threshold value of the mixed site selection planning model; then, inputting the raster data of the to-be-planned area into the mixed site selection planning model, and determining a preliminary screening result of the to-be-planned area according to a model calculation result and the optimal decision threshold; and finally, further screening the preliminary screening result based on the convenience and safety requirements of the electric bicycle rider, and determining a proper site selection layout area of the electric bicycle charging station.

The invention discloses a novel subsection bonding prestressed anti-pulling and anti-floating pile and a construction method thereof, and relates to the technical field of buildings. The novel subsection bonding prestress anti-pulling and anti-floating pile comprises a pile body part, specifically, the novel subsection bonding prestress anti-pulling and anti-floating pile comprises steel reinforcement cages arranged in a subsection mode, and all the sections of steel reinforcement cages are axially connected through connecting pieces. According to the novel segmented bonding prestressed anti-pulling and anti-floating pile and the construction method thereof, the stress character of concrete is changed, so that the concrete is pressed in the tension process, the stress of the concrete is more reasonable, and the anti-pulling and anti-floating pile design can be carried out according to first-level crack resistance; lots of rebars are saved; after long spiral pore-forming pressure-grouting concrete, a reinforcing steel bar-steel strand cage is inserted, rapid construction is achieved, the efficiency is high, and the construction speed is 5-10 times higher than that of a traditional reverse circulation drilling machine; the method has the advantages of no need of slurry protection wall, no slurry pollution, dry operation, facilitation of safe and civilized construction, especially in-city construction, strict requirements on slurry pollution, and more obvious advantages.

The invention relates to the technical field of urban construction, and discloses a green building protection supporting structure for urban construction, which comprises a connecting seat, a reinforcing bolt is in threaded connection with the interior of the connecting seat, and a connecting column is fixedly connected to the top of the connecting seat. The overall height of the whole device can be rapidly adjusted, the height requirements of different buildings are met, the overall application range of the device is further expanded, meanwhile, in the process that a threaded sleeve moves, a threaded frame is driven to move upwards, and when the threaded frame moves upwards, a limiting block is synchronously driven to move along a guiding device in a corresponding groove; and then the push blocks on the two sides are synchronously pushed to be unfolded outwards, so that the push blocks move along the guide of the connecting base, the supporting rods are unfolded towards the two outer sides in the height adjusting process of the device, the overall supporting effect of the device is further improved, and the overall stability and safety of the device are prevented from being affected.

The utility model discloses a sponge city seepage and drainage structure, and relates to the technical field of sponge city construction. The device comprises a foundation, a drainage well is arranged on the foundation, a drainage pipeline is arranged in the foundation and communicated with the drainage well, a well lid is arranged on the top of the drainage well, and an opening and closing adjusting mechanism is arranged on the well lid. By arranging the opening and closing adjusting mechanism, the drainage opening of the well lid can be effectively adjusted, so that the water inlet amount of the drainage well is adjusted, the drainage effect is effectively improved, meanwhile, the filtering basket is arranged under the well lid, impurities carried by the drainage well during drainage can be effectively intercepted, and the drainage well is convenient to use. Therefore, the situation that the drainage pipeline is blocked after sundries enter the drainage well is avoided, and the practicability of the device is greatly improved.

The utility model belongs to the field of sponge city construction, and particularly relates to a rainwater garden system for sponge city construction, a permeation area in a foundation pit of the rainwater garden system sequentially comprises a water storage layer, a covering layer, a planting soil layer, an artificial filler layer, a sand layer and a gravel layer from top to bottom, and the high porosity of water storage ceramsite is utilized, so that the water purification and storage performance is good; through mutual cooperation of all the layers, rainwater is effectively purified and stored, and the water quality and the water storage amount of the rainwater garden system are improved. In addition, the rainwater garden system is simple in structure and convenient to construct and maintain in the later period.