39 results about "Earthworks" patented technology

The invention relates to the technical field of earthwork measurement, in particular to an accurate earthwork measurement system based on a laser radar technology. The system comprises a mobile scanning acquisition module, a point cloud intelligent processing module and an engineering quantity accurate calculation and visualization module. The mobile scanning acquisition module dynamically acquires original three-dimensional point cloud data of a construction area through a laser radar; the point cloud intelligent processing module separates ground point cloud from the complex scene point cloud with high precision through a dynamic filtering algorithm; and the project amount accurate calculation and visualization module accurately calculates the total amount of filling and excavation through a boundary adaptive calculation method. According to the invention, a dynamic filtering algorithm and a boundary adaptive calculation method fusing geometric features and physical attributes are provided, and full-automatic, high-precision and visual measurement of the earthwork volume is realized.

The invention discloses a high steep narrow terrain earthwork oblique photography collaborative modeling method, and belongs to the technical field of engineering surveying and mapping and three-dimensional digital modeling. The method comprises the following steps: designing an imitated flight route based on a digital elevation model of a high steep narrow terrain, controlling an unmanned aerial vehicle carrying a laser radar and multiple lenses to synchronously collect data, arranging hierarchical image control points, de-noising a laser radar point cloud to generate a digital elevation surface, and processing an oblique photography image to generate a three-dimensional grid model. And fusing the two types of models to correct the elevation and re-project the texture, generating a collaborative live-action three-dimensional model, and finally calculating the earth-rock volume and planning the construction machinery path based on the model. The method can be used for earthwork surveying and mapping, metering and construction scheduling of high, steep and narrow terrains, and collaborative improvement of modeling geometric accuracy and texture authenticity is achieved.

The invention discloses an automatic site selection method and system for a mountain fan hoisting platform, and belongs to the technical field of new energy wind power generation engineering, and the method comprises the steps: obtaining original topographic data, and reconstructing the original topographic data into a digital elevation model with a spatial index; querying the digital elevation model by using a spatial index based on the structural security constraint parameters of the fan foundation, and determining an effective elevation search interval; discretizing a calculation area into grid units in an elevation interval, taking a core area as a seed point, and outputting binary grid data through a potential energy driving cost function and a heuristic search extension platform boundary; performing morphological correction on the binary raster data and calculating the total earthwork amount; and iteratively searching and optimizing a scheme with the minimum total earthwork volume in the elevation interval, and converting the scheme into vectorized engineering primitives to be output. On the premise that the safety of the foundation structure is ensured, the earthwork amount is globally optimal, and the method has the advantages of being high in automation degree, high in terrain adaptability and good in engineering practicability.

It is known to monitor earthworks and embankments such that damage caused by any mass wasting can be mitigated against. Stakes are known to be used; however, stakes that are driven too far into the ground may not be affected by movement of loose topsoil. In contrast, stakes that are not driven far enough into the ground are easily disrupted. In any event, even correctly deployed stakes can sag under their own weight, for example when a relatively heavy tilt sensor is attached off centre. The present invention provides a mass wasting monitoring stake, comprising first and second monitoring parts (1) and a primary connector (5) configured to releasably attach the first and second monitoring parts (1) together. In this way, the stake can be driven into the ground (11), deploying the first and second monitoring parts (1), and the primary connector (5) can subsequently release the first and second monitoring parts (1), such that relative movement between the first and second monitoring parts (1) can be detected if mass wasting were to occur.

The utility model relates to the technical field of engineering surveying, in particular to unmanned aerial vehicle oblique photogrammetry equipment for earthwork surveying, which comprises a machine body, four wings are fixedly connected to the upper surface of the machine body, a mounting ring is fixedly connected to the lower surface of the machine body, and a camera is mounted on the surface of the mounting ring. A protection device is arranged on the side, close to the wings, of the aircraft body, the protection device comprises a protection ring, the protection ring is installed on the upper surface of the aircraft body, four sliding grooves are formed in the lower surface of the protection ring, sliding blocks are slidably connected to the surfaces of the sliding grooves in the four protection rings, and U-shaped rods are fixedly connected to the lower surfaces of the sliding blocks; the side face of the sliding block is fixedly connected with a damper, and the other end of the damper is fixedly connected with the protection ring. The unmanned aerial vehicle oblique photogrammetry device solves the problem that when the unmanned aerial vehicle oblique photogrammetry device is collided, wings of the unmanned aerial vehicle oblique photogrammetry device are prone to being damaged.

The invention provides a rockfill material excavation efficiency monitoring method and device. The method can significantly improve the recognition precision of the interaction action of the excavator and the truck in a complex shielding scene, and improves the judgment accuracy of the working state of the equipment, thereby effectively calculating the utilization rate of the construction equipment and the collaborative operation efficiency, and optimizing the earthwork scheduling management.

The present invention provides a method and system for simulating rock grout injection based on solid-liquid coupling, which relates to the technical field of rock grout injection simulation. The method includes: obtaining a time-varying relationship of density during the solidification process of grout used in grout injection, establishing a grout density-time evolution model; dividing the solidification process of grout used in grout injection into multiple stages and obtaining physical properties of each stage in the solidification process of grout used in grout injection; and adjusting physical parameters of the grout at corresponding times during the rock grout injection simulation based on the obtained grout density-time evolution model and the physical properties of each stage in the solidification process of grout used in grout injection, thereby performing the rock grout injection simulation. The present invention can improve the accuracy of the calculation process for simulating rock and earthworks such as rock grout injection.

The invention relates to a method of repairing the surface of roads, highways, or other transport routes and earthworks in transport and civil engineering, using a method of recording and future functionality dependent adjustment of the cross-slope of the work of a construction machine depending on its spatial position, hereinafter referred to as slope replication, and a device for carrying out this method. In particular, it refers to the replication of the slope during the travel of a road milling machine or the laying of a construction layer by a road paver.

This utility model relates to a detachable pile foundation rebar cage assembly frame suitable for construction in steep slope areas. It includes a base, characterized by: a lower column and an upper column above the base; a lower horizontal bar and a middle horizontal bar between the lower columns; an upper horizontal bar at the top of the upper column; a lower diagonal bar between the lower column and the middle horizontal bar; an upper diagonal bar between the upper column and the upper horizontal bar; a lower hanging beam at the top of the middle horizontal bar; an upper hanging beam at the top of the upper horizontal bar; and chucks on the inner sides of the lower and middle horizontal bars. Compared with existing technologies, the core value of this utility model lies in achieving on-site assembly of the rebar cage without large-scale earthwork and large platforms / equipment, thereby reducing costs, protecting slope stability, ensuring construction safety, and significantly improving the feasibility of construction under such complex terrain conditions. It provides a practical, safe, and economical solution for pile foundation rebar cage construction in steep slope areas where traditional methods are difficult to implement or are too costly / risky.

The invention discloses an automatic earthwork volume calculation method and system based on an unmanned aerial vehicle image, and relates to the technical field of surveying and mapping and remote sensing, and the method comprises the steps: controlling an unmanned aerial vehicle platform to carry out the automatic aerial photographing, and obtaining a multi-view sequence image and pose data; preprocessing the image and reconstructing an initial three-dimensional point cloud model; dynamically calibrating the three-dimensional point cloud model and an engineering coordinate system; non-surface interference objects are intelligently classified and removed; generating a high-precision digital elevation model according to the terrain complexity; and the total filling amount and the total excavation amount of the construction area are calculated. The system comprises an unmanned aerial vehicle image acquisition module, an image preprocessing and three-dimensional reconstruction module, a coordinate dynamic calibration module, a non-earth surface interferent intelligent identification and elimination module, a self-adaptive digital elevation model generation module, an earthwork amount calculation module and a system control and data integration platform. The centimeter-level registration precision can be realized, the engineering quantity calculation accuracy is improved, and the calculation precision and efficiency are balanced.

The utility model discloses auxiliary paving equipment for earthwork filling, which belongs to the technical field of earthwork construction and is characterized by comprising a driving vehicle body, a paving plate is arranged at the bottom of the front side of the driving vehicle body, and an adjusting component matched with the paving plate is arranged on the front side of the driving vehicle body. An auxiliary compaction assembly is arranged on the rear side of the driving vehicle body, the adjusting assembly comprises a first supporting frame, the first supporting frame is fixedly connected to the front side of the driving vehicle body, and a first hydraulic cylinder is fixedly connected to the front side of the top of the first supporting frame. The problems that paving requirements of different terrain environments cannot be met due to the fact that existing paving equipment is not suitable for paving, certain limitation exists during use, height adjustment of an existing paving plate is troublesome, and existing paving equipment generally lacks an effective auxiliary compaction structure, so that the existing paving equipment is not beneficial to use are solved.

A method for determining a location and orientation of an earthworks machine in a worksite which comprises setting at least one positioning camera on the earthworks machine, determining from a worksite environment a plurality of distinguishable features as a plurality of map feature points, taking two-dimensional positioning images by at least one positioning camera, detecting distinguishable features from the two-dimensional positioning images as navigation feature points, and matching identification information of the navigation feature points with identification information of the plurality of map feature points for determining the location and orientation of the earthworks machine in the worksite.

The application discloses a steep and narrow area of new energy mine card earthwork excavation and filling balance rapid regulation method, belongs to the field of mine exploitation and earthwork engineering machinery automatic control technology. The method is aimed at the technical problems of low efficiency and poor real-time of excavation and filling balance regulation caused by the dependence on artificial judgment and periodic measurement in the prior art. The technical scheme points are: obtaining real-time point cloud data through a three-dimensional laser scanner; the vehicle-mounted processing unit compares the real-time point cloud data with the pre-stored designed terrain model within 0.3 s to 1.5 s to generate a real-time excavation and filling distribution map; based on this, the excavation and filling balance ratio is calculated, when the ratio exceeds the range of 0.95-1.05, the adjustment path pointing to the area with the largest difference between excavation and filling is planned, and the vehicle is controlled to execute at a speed of 5 km / h to 15 km / h. The method is mainly used for new energy mine card construction operation in steep and narrow mining areas, and realizes the rapid automatic regulation and control of earthwork excavation and filling balance.

The invention belongs to the technical field of earthwork machinery intelligent monitoring, and discloses a bulldozer blade load real-time monitoring method and system based on dynamic three-dimensional reconstruction. The method comprises the following steps of: dividing a visual image of real earthwork into regions and setting weights; carrying out feature extraction on the features of the weighted region to obtain a lightweight feature set, and carrying out modeling by utilizing the lightweight feature set to generate a three-dimensional grid model of the earthwork scene with material textures so as to realize reconstruction of a dynamic three-dimensional entity of the earthwork scene; processing the reconstructed three-dimensional grid model to obtain a scraper knife-material three-dimensional model; and performing real-time load simulation on the scraper knife-material three-dimensional model to obtain a load thermodynamic diagram of the scraper knife, thereby realizing real-time monitoring of the load of the scraper knife. According to the invention, the problems of lack of dynamic three-dimensional reconstruction capability, low monitoring precision and incapability of realizing visual dynamic mapping are solved.

This invention discloses an intelligent planning method for surveying tasks and the application of topographic data for bridge design, belonging to the field of bridge engineering design technology. The method includes the following steps: First, longitudinal and cross-sectional information is automatically extracted from CAD topographic maps; then, by combining an automatic topographic undulation recognition algorithm with cross-sectional quantitative evaluation, key sections requiring on-site measurement are intelligently selected to form a precise surveying task book; subsequently, based on standardized measured data provided by surveying professionals, the pier height and abutment top elevation are automatically optimized and determined with the core objective of minimizing the total earthwork volume at a single pier location; finally, automated bridge design and engineering quantity calculation are completed. This invention achieves intelligent and objective surveying task planning, efficient collaboration between bridge and surveying professionals, and automatic optimization of design schemes, effectively overcoming the drawbacks of traditional methods such as reliance on experience, poor collaboration, and large earthwork volumes, significantly improving design efficiency and economy.

The invention discloses a rapid regulation and control method for earth-rock excavation and filling balance of new energy mine clamping in steep, narrow and rare areas, and belongs to the technical field of automatic control of mining and earthwork engineering machinery. The method aims at solving the technical problems that in the prior art, due to the fact that manual judgment and regular measurement are relied on, digging and filling balance regulation and control efficiency is low, and real-time performance is poor. According to the technical scheme, the method is characterized in that real-time point cloud data are acquired through a three-dimensional laser scanner; the vehicle-mounted processing unit compares the real-time point cloud data with a pre-stored design terrain model within 0.3 s to 1.5 s to generate a real-time digging and filling distribution diagram; and calculating a digging and filling balance ratio on the basis, when the ratio exceeds a range of 0.95-1.05, planning an adjustment path pointing to a region with the maximum digging and filling difference, and controlling the vehicle to execute at a speed of 5-15 km / h. The method is mainly used for new energy mine truck construction operation in steep and narrow mining areas, and rapid and automatic regulation and control of earth-rock excavation and filling balance are achieved.

This application discloses an intelligent allocation method, system, and equipment for large-scale earthwork engineering projects at airports, relating to the field of earthwork construction technology. The method includes collecting and preprocessing earthwork engineering data for the airport to be built to obtain a standardized engineering dataset; constructing an intelligent earthwork allocation model based on linear programming; generating initial earthwork allocation schemes for each allocation zone of the airport to be built based on the standardized engineering dataset, preset allocation constraints, and allocation priorities in the intelligent earthwork allocation model; visualizing the initial earthwork allocation schemes based on different allocation zones; and dynamically updating the initial earthwork allocation schemes by acquiring real-time construction monitoring data for each allocation zone during construction to obtain the latest earthwork allocation scheme. This application improves the efficiency of earthwork allocation in large-scale earthwork engineering projects at airports.

The invention relates to the technical field of engineering measurement and image processing, in particular to an earthwork volume calculation method based on oblique photography of an unmanned aerial vehicle. According to the invention, multi-view images, laser point clouds and ground check point coordinates of a target area are synchronously acquired by carrying an oblique photography camera and a laser radar with periodic time synchronous calibration. Distortion correction is performed on the image to obtain an initial image point cloud, a terrain point set is generated by combining a semantic segmentation model and laser point cloud fusion, then an adaptive triangulated irregular network is constructed, and a current terrain digital elevation model is generated. After the model and a design terrain digital elevation model are subjected to standardized registration, filling and excavation areas are distinguished through grid-by-grid elevation difference calculation, and the earthwork amount is summarized. And finally, calculating the relative deviation ratio of the engineering quantity by using the ground check point, and dynamically adjusting the related parameters according to the calculation state determined by the deviation ratio. The earthwork volume calculation precision is improved.

The application provides an assembled concrete U-shaped structure and a construction method. The assembled concrete U-shaped structure comprises a prefabricated bottom plate, a first prefabricated side wall and a second prefabricated side wall. The first prefabricated side wall and the second prefabricated side wall are symmetrically arranged on both sides of the prefabricated bottom plate. A first connecting steel bar is arranged on the first prefabricated side wall opposite to the prefabricated bottom plate. A second connecting steel bar is arranged on the second prefabricated side wall opposite to the prefabricated bottom plate. Third connecting steel bars are arranged at both ends of the prefabricated bottom plate. The third connecting steel bars are poured into a single U-shaped structure with the first connecting steel bars and the second connecting steel bars through cast-in-situ belts. Two adjacent single U-shaped structures are poured into a whole through a transverse cast-in-situ belt. The prefabricated assembly method has the advantages of green environmental protection, small construction interference, high speed and the like. The permanent and temporary combination optimizes the cross-sectional size of the traditional roadbed U-shaped structure, and achieves the effects of reliable stress, good integrity, efficient assembly, saved construction period, saved land, reduced earthwork engineering and environmental protection.

This invention discloses a method and system for optimizing earthwork excavation paths, relating to the field of earthwork engineering technology. The method includes: constructing an initial digital twin model to generate an initial global excavation path; collecting real-time operation response data during the operation of the excavating equipment along the initial global excavation path; identifying the current actual soil characteristics based on the operation response data; when the deviation between the actual soil characteristics and the preset soil attributes at the corresponding location in the initial digital twin model exceeds a preset threshold, calculating the credibility of the current identification result, determining the search space constraint range based on the credibility, and generating a local correction path in real-time to update the initial global excavation path; and using the identified actual soil characteristics as new data samples to iteratively update the initial digital twin model. This invention achieves real-time soil inversion and adaptive path correction based on operation response data, reducing equipment wear and energy consumption, and improving the intelligence level of earthwork excavation operations.

The utility model provides a fence for engineering earthwork mounds, which belongs to the technical field of fence devices and comprises a support plate and a filter plate, a driving structure is mounted on the support plate, an output end of the driving structure is connected with a mounting plate, a plurality of uniformly distributed flow guide rods are arranged on the mounting plate, and the driving structure drives the mounting plate to reciprocate. A plurality of holes are formed in the filter plate, the holes and the flow guide rods are arranged in a one-to-one correspondence mode, the fluffy degree of the soil can be improved through reciprocating motion of the flow guide rods, the soil drainage effect can be improved, and practicability is higher.

The invention provides a cantilever outer wall of an underground space. The cantilever outer wall has higher soil retaining capacity and can save the excavated volume of earthwork. The cantilever outer wall of the underground space comprises an outer wall plate used for isolating an indoor space from an external soil layer and comprising a step structure facing indoors; wall bodies of the outer wall supporting ribs are perpendicular to the outer wall plate and are arranged along the outer side of the outer wall plate, and cavities of the outer wall supporting ribs are inserted into the steps of the outer wall plate. According to the structure, the steps are arranged on the outer wall plate, the outward extension amount of the supporting ribs is reduced, and therefore the earthwork excavation amount is reduced. According to the structure, the anti-roll capacity can be improved by arranging frame columns. Due to the internal steps, the frame column can be directly and fixedly connected with the outer wall plate, so that the frame column and the outer wall are integrally stressed, the stable support of the column body forms a reverse stable moment of overturning moment which is extruded inwards from the outside, and the capability of resisting external water and soil pressure of the outer wall plate is improved.

The utility model relates to the field of constructional engineering, and discloses a portable drainage pump for constructional engineering earthwork construction, which comprises a support moving plate for supporting operation, the top end of the support moving plate is fixedly connected with a water pump body, and the right side of the top end of the support moving plate is fixedly connected with a push rod. A stable supporting plate is arranged under the bottom end of the supporting moving plate, a rotating rod is rotationally connected to the interior of the supporting moving plate, a driving motor is fixedly connected to the middle of the front end of the supporting moving plate, the driving end of the driving motor is fixedly connected to the front end of the rotating rod, and a winding roller is fixedly connected to the exterior of the rotating rod. Limiting notches are formed in the two sides of the interior of the supporting moving plate. According to the water pump, the stability of the device in the working process is improved, transmission of the water pump is guaranteed, silt is prevented from excessively entering the pump body, and the cleaning convenience of the device is improved.

The invention discloses a roadbed earthwork volume intelligent accounting method based on laser radar point cloud. The method comprises the following steps of collecting original point cloud data of a construction site; performing point cloud densification processing on the original point cloud data to obtain dense ground point cloud data; performing elevation fitting on the dense ground point cloud data to obtain a continuous elevation surface; pre-imported design elevation parameters are called for point-by-point comparison, and an excavation area and a filling area are calculated and recognized; inputting the point cloud data corresponding to the excavation area and the fill area into an improved Delaunay triangulation network voxel mixing method for three-dimensional volume operation to obtain an excavation volume and a fill volume; calculating the total value of the roadbed earthwork volume, and outputting a calculation result in a report form and a graphic form; and processing the point cloud data of different time periods to obtain excavation volumes and filling volumes of different time periods, and performing comparison to form a dynamic change diagram. According to the invention, intelligent accounting of the roadbed earthwork volume is realized.

The application discloses a kind of field dust-settling equipment for earthwork engineering, it is related to spray dust-settling equipment technical field, including fog cannon car body, the fog cannon car body is equipped with tank and the fog cannon assembly located in tank rear side, the top rear end of the tank is equipped with transverse adjustment assembly, the transverse adjustment assembly includes mounting seat, support seat, two groups of transverse support and gradient adjustment hydraulic rod, the two sides of the support seat are respectively equipped with a group of spray assembly.The application sets up transverse adjustment assembly in the top rear end of the tank of fog cannon car body, and respectively arranges the spray assembly that can be transversely expanded in the two sides of support seat, so that equipment can further implement directional spraying to the local high dust area of adjacent working vehicle in loading operation process on the basis of reserving fog cannon assembly to carry out background spray dust-settling capability.

The invention relates to the technical field of engineering cost, and provides an earthwork full-flow cost automatic calculation method and system, and the method comprises the steps: obtaining various types of original data, employing a self-adaptive algorithm to calculate the excavation and filling amount, integrating an over-excavation coefficient and a loose coefficient to calculate the spoil amount, carrying out the volume adjustment, and intelligently selecting a slope or retaining wall scheme. Synchronously accounting the road cost and summarizing the total cost; according to the method, the full-process construction cost influence factors such as site earthwork, foundation spoil, earthwork loosening coefficients, supporting structures and road connection are integrated, the excavation and filling amount is calculated through the self-adaptive algorithm, a slope or retaining wall scheme is intelligently selected, omission and deviation of a traditional method are avoided, and the integrity and accuracy of earthwork construction cost calculation are greatly improved.

Systems and techniques are described for a configurable system for layered control of earth-moving construction and / or mining vehicles. For example, the systems and techniques may inject signals into a variety of physical button and lever conditions to allow for a machine emulator to virtually mimic the physical button and lever conditions.

The application provides a method for calculating the earthwork quantity of a slope foundation, which comprises the following steps: a step of establishing an auxiliary graphic element component by using a valve plate module; a step of dividing the auxiliary graphic element component into a plurality of auxiliary graphic elements and adjusting parameters of the auxiliary graphic elements; a step of calculating the excavation engineering quantity according to the adjusted auxiliary graphic elements; and a step of calculating the backfill engineering quantity according to the auxiliary graphic elements in the backfill range. In the application, the auxiliary graphic element component is first established, then divided and adjusted, and then the excavation engineering quantity and the backfill engineering quantity in the backfill range are calculated. The method does not need manual calculation, is simple and convenient to calculate, improves the calculation efficiency, saves the calculation time, ensures the accuracy of the engineering quantity calculation, and improves the accuracy of the engineering quantity calculation.

The utility model discloses an electric loader hood, and belongs to the technical field of electric loaders. An electric loader hood comprises: a housing; the first heat dissipation window is fixedly connected to the housing; the second heat dissipation windows are symmetrically arranged and are fixedly connected to the side wall of the housing; the first overhaul cover plates are symmetrically arranged and rotationally connected to the housing; the top of the housing is rotationally connected with a second overhaul cover plate. The top of the housing is detachably connected with a third access cover plate and a fourth access cover plate; according to the utility model, the plurality of groups of maintenance cover plates are additionally arranged on the housing, when maintenance is needed, a worker can open the corresponding maintenance cover plate to maintain a position to be maintained, the whole housing does not need to be opened, the maintenance efficiency is improved, and meanwhile, through the reinforcing rib plates arranged on the housing, the overall strength of the housing is improved, and the maintenance cost is reduced. It is guaranteed that the housing can be suitable for complex environments such as mines and large-scale earthwork engineering needing high loads.

The invention discloses an urban slag transport vehicle community identification method and system based on a dynamic complex network, relates to the technical field of environmental engineering, and solves the problems that an existing construction waste treatment method lacks data-driven decision support, core nodes and key paths are difficult to accurately position, and management resources are wasted. The method comprises the following steps: step 1, acquiring vehicle track data of an urban slag transporting vehicle and earthwork related point location data; 2, determining a stop point based on the data extracted in the step 1, and matching the stop point with geographic information to obtain the travel of the slag transporting vehicle; 3, screening the journeys obtained in the step 2, and constructing network slices on a day basis; 4, solving the access rate of nodes in the dynamic network of the urban slag transport vehicle, and carrying out community recognition and division on daily network slices based on the access rate to obtain an internally connected slag transport vehicle community structure; according to the method, the dynamic complex network is constructed, so that the transportation community with close cooperation of the slag transporting vehicles can be automatically identified from massive GPS data.