64 results about "Earthworks" patented technology

Systems and techniques are described for implementing autonomous control of earth-moving construction and / or mining vehicles, including to automatically determine and control autonomous movement of part or all of one or more such vehicles (e.g., a vehicle's arm(s) and / or attachment(s), such as a digging bucket, claw, hammer, blade, etc.) to move materials or perform other actions in a manner that is based at least in part on data from simulated operation of the vehicle(s). For example, the systems / techniques may include using data from simulated operation of the earth-moving vehicle(s) in various manners, such as for use in training one or more machine learning models that are used in implementing the autonomous operations, determining optimal or otherwise preferred hardware component configurations to use, determining optimal or otherwise preferred implementation plans to use for one or more tasks and / or multi-task jobs, enabling user what-if experimentation activities, etc.

The invention relates to the technical field of photogrammetry, in particular to an earthwork measuring and calculating system based on an unmanned aerial vehicle surveying and mapping technology, which comprises a BIM (Building Information Modeling) route partitioning module, a point cloud quality evaluation module, a digital earth surface model generation module and an earth volume measuring and calculating module. According to the method, by analyzing geometric parameters such as gradient and curvature of a designed curved surface, intelligently partitioning and optimizing an unmanned aerial vehicle surveying and mapping route, and executing independent density clustering on point cloud data streams according to route partitions, dynamic evaluation and marking of spatial data quality are realized, and vegetation point clouds are removed in combination with image color information; the method comprises the following steps: correcting data by using an abnormal mark of quality evaluation, generating an accurate digital earth surface model, finally carrying out elevation deviation comparison on the accurate digital earth surface model and a designed curved surface, finely calculating the earth volume through a regular grid, and carrying out statistical analysis by using a root mean square error, thereby improving the accuracy and reliability of a measurement result.

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 relates to the field of land reclamation engineering, in particular to a land reclamation engineering progress monitoring system based on time sequence image analysis, which comprises a data storage module, an engineering progress image recognition engine, an engineering quality detection module, a meteorological condition compensation module and an early warning module. A Riemannian geometric model of a terrain curved surface is constructed, a project progress is analyzed and quantified through a geodesic network, a project progress image recognition engine comprises an image registration module, a Riemannian geometric terrain modeling module and a geodesic analysis module, and the Riemannian geometric terrain modeling module constructs a terrain surface model through manifold parameterization and measurement tensor calculation. The geodesic analysis module quantifies engineering progress indexes such as the earthwork completion rate, the road hardening rate and the greening coverage rate based on geodesic network changes, the system further integrates quality evaluation functions such as slope stability detection and drainage system integrity detection, and the reliability of a monitoring result is improved through meteorological condition compensation.

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.

The invention relates to the technical field related to earthwork machinery, discloses a land leveler for earthwork roadbed construction, and aims to solve the problems that the motion resistance is increased due to soil accumulation and pits are difficult to fill. When an engineering truck pushes the front shovel part to shovel soil, the soil accumulated on the front shovel part is conveyed by the unloading auger and is directly discharged out of the end part of the outer frame, so that the situation that a large amount of soil is accumulated at the front end of the front shovel part is avoided, and the effect of removing chips and obstacles by the auger is achieved. Meanwhile, by means of the double-shovel-part design, after the front shovel part shovels out the soil, the soil enters the space between the front shovel part and the rear shovel part and is stacked, in the process, when the advancing outer frame pushes the soil according to the rear shovel part, the flowing direction of the soil is opposite to the conveying direction of the discharging auger, and therefore when a bumpy road surface is encountered, the conveying direction of the discharging auger is opposite to the conveying direction of the discharging auger. And the rear shovel part is used for pushing the soil to move, so that the pothole pavement is filled and leveled.

To provide an automatic driving assistance system and method for an excavator that can realize automation of earthwork.SOLUTION: An excavation data acquisition part (120) acquires excavation data indicating an excavation area and an excavation depth on a ground surface (4). A small working space generation part (130) divides an underground space up to the excavation depth in the excavation area into multiple small working spaces (B) based on the excavation data, and calculates a position of each small working space (B). An excavation small working space selection part (150) selects one or more excavation small working spaces (B1, B2) that can be excavated by the an excavator (3) from the multiple small working spaces (B) based on a working position of the excavator (3). An excavation small working space data output part (160) outputs excavation small working space data indicating the respective positions of the one or more excavation small working spaces (B1, B2) selected by the excavation small working space selection part (150).SELECTED DRAWING: Figure 1

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 invention discloses a stand column repairing method which comprises the steps that S1, a defective stand column is detected, and a defective section of the defective stand column is found out; s2, temporary supporting pieces are arranged on earthworks on the two sides, in the length direction of the supporting beam, of the faulty stand column correspondingly, each temporary supporting piece is provided with a supporting end capable of moving in the vertical direction, the supporting ends are connected to the supporting beam, and the temporary supporting pieces are started to lift the supporting beam; s3, earthwork between the faulty stand column and the temporary supporting piece is excavated till the faulty section of the faulty stand column is completely exposed; s4, the problem segments are cleaned; s5, concrete is poured on the outer side of the problem segment to form a repaired concrete segment; and S6, the supporting beams are reinforced. Compared with the prior art, the problem stand column can be repaired in situ, two stand column piles and cross beams do not need to be newly constructed for underpinning according to a conventional scheme, and the construction period and the manufacturing cost can be better saved.

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.

A method of extracting and treated dredged material to produce material suitable for use as a general engineering fill comprises the steps of: extracting a sedimentary material via a dredging process; testing the dredged sedimentary material to determine chemical and / or mechanical parameters of the dredged sedimentary material; incorporating a quicklime additive to the dredged sedimentary material to produce treated material; separating the treated material into two separate windrows, a first windrow for upper drier material, and a second windrow for lower wetter material; testing the upper and lower material to determine the moisture content, MC, and moisture condition value, MCV, of the upper and lower material; adding a cement binder to the upper material, and retesting the MC and MCV for the upper material; adding lime and a cement binder to the lower material, and retesting the MC and MCV of the lower material; and once the upper material and lower material have a MC and MCV above a defined threshold, using the upper and / or lower material as a general engineering fill.

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 invention provides an earthwork modeling method and system based on an unmanned aerial vehicle, and relates to the technical field of image data processing. The method comprises the following steps: acquiring target point cloud data of an engineering area, and performing elevation verification analysis based on different measurement heights to form target point cloud verification data; collecting target image data of the engineering area, and performing adjustment analysis in combination with the geographic elevation information and the target point cloud verification data to form target point cloud adjustment data; and performing modeling processing according to the target point cloud adjustment data to form a target earthwork model. According to the method, the modeling accuracy can be further improved in a mode of fully utilizing unmanned aerial vehicle modeling, and more accurate and effective modeling data is provided for engineering evaluation and implementation.

The invention discloses a dynamic scene self-adaptive earthwork volume calculation method and system, and relates to the technical field of earthwork construction. Image data collected by an unmanned aerial vehicle are obtained; determining alternative demarcation points according to image data acquired by the unmanned aerial vehicle; determining a demarcation point according to the image data of the alternative demarcation point, and dividing the earthwork area into sub-areas based on the demarcation point; generating a complete graph of the earthwork area, performing path planning on the unmanned aerial vehicle according to the complete graph, controlling the unmanned aerial vehicle to acquire image data of the earthwork area according to the path, and calculating an earthwork amount based on the image data acquired by the unmanned aerial vehicle; the moving path of the unmanned aerial vehicle is planned, the number of times that the unmanned aerial vehicle passes through the shadow area is reduced, the influence of illumination condition changes on image collection of the unmanned aerial vehicle is reduced, and the earthwork volume calculation accuracy is improved.

The invention discloses a pre-stressed anchor cable net hanging guniting construction method which comprises the following steps: manufacturing a pre-stressed anchor cable: the pre-stressed anchor cable is composed of three parts, namely an anchoring section, a free section and a fastening head, the fastening head is composed of a waist beam, a steel base plate and an anchorage device, the anchoring section is corrugated by adopting a bunch ring and an isolation frame and is in a jujube pit shape after grouting, and the anchoring section is in a hollow shape; the isolating frame can separate the steel strands, so that enough cement paste adheres to the peripheries of the steel strands; the method comprises the steps that firstly, earthwork is excavated, the length of an excavation subsection is not larger than 50 m, a free face needs to be closed in time after excavation, anchor cable installation and concrete surface layer spraying are completed within 24 h, the excavation time interval between multiple earthworks needs to be 24 h or above, after earthwork excavation is completed, a slope surface is manually trimmed in time, the allowable deviation of slope surface flatness is + / -20 mm, and the slope surface flatness is not larger than 20 mm; and flow guide pipes are inserted on the slope surface every 1.5 m to achieve the effect of dredging stagnant water on the upper layer to the slope surface. The pre-stressed anchor cable net hanging guniting construction method is good in stability, high in safety and capable of saving resources.

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.

A modular system which utilizes two or more wirelessly interconnected modular devices for monitoring the progress of earth moving activity at a site. The modular system is also adaptable to other operations such as mining or other activities that require coordinated monitoring of elevation or orientation changes across multiple points of interest. The modular devices provide the ability to monitor in real-time changes in ambient pressure, temperature, linear acceleration, magnetic field strength, and rotation axis orientation. Using such data, the modular system can calculate metrics and display data and visualizations highlighting earth moving progress towards desired outcomes on a work site.

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.

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 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.