1234 results about "Structural element" patented technology

The invention relates to the technical field of engineering management and control, in particular to an electric power engineering construction management and control method and system based on digital twinning. The method comprises the following steps: acquiring heterogeneous sensing data of a construction area, and carrying out dynamic modeling on a structural member to obtain a member-level digital twin grid; performing environmental factor-material performance response coupling based on the component-level digital twin grid to obtain a material environmental response distribution diagram; component environment sensitivity dynamic injection is carried out according to the component-level digital twin grids, and a construction process dynamic map is obtained; performing multi-mode construction state field deduction based on the construction process dynamic map to obtain a construction state evolution distribution field; and performing reversible process scheduling optimization and simulation according to the construction state evolution distribution map to obtain a reversible scheduling optimization map. The efficiency of electric power engineering construction and the resource utilization rate can be improved.

The invention discloses a method for detecting the quality of a functional layer of a building outer wall by an unmanned aerial vehicle, and particularly relates to the technical field of building outer wall detection.The method comprises the steps that firstly, an infrared image of a building outer wall facing object is collected through the unmanned aerial vehicle, pixel points and remaining pixel points of a serious hollowing area are determined, and the abnormal degree of the remaining pixel points is calculated; clustering is carried out by adopting a defect probability-based region growing method; based on seed point screening of morphological preprocessing, structural elements of different sizes are comprehensively determined to be used through weighted summation calculation according to the jitter frequency of the unmanned aerial vehicle and the image resolution, and noise is filtered step by step. Generating a multi-scale pyramid for the original image, and detecting candidate seed points at each level; sorting and preferentially selecting the candidate seed points based on the morphological closure degree and the shape regularity of each candidate seed point; pixel points in the neighborhood of the growth seed points are merged to obtain all hollow defect connected domains; and judging the quality condition of the building outer wall functional layer according to the area of the hollowing defect connected domain.

The invention relates to the technical field of solid deformation measurement, particularly provides an intelligent detection and deviation correction system for steel structure construction, and solves the problems that in the prior art, solid deformation measurement means are limited, deviation can be found only through static measurement or post analysis, and the measurement accuracy is poor. And real-time monitoring and dynamic correction in the construction process cannot be realized. The system comprises a virtual model module integrated with various sensors and used for collecting steel structure component data in real time; the steel deviation prediction module constructs a steel deviation prediction model and trains the steel deviation prediction model according to the analysis result of the construction physical model; inputting the construction physical model into the steel deviation prediction model, and predicting a deviation trend; a correction suggestion generation module generates a correction suggestion according to the predicted deviation trend; and triggering an automatic adjustment instruction based on the correction suggestion. Through organic combination of the virtual model, deviation prediction and correction suggestions, intelligent monitoring and deviation correction of the steel structure construction process are realized.

The invention provides a multi-order segmentation-based structural member linetype rapid identification method and system, and relates to the technical field of engineering structure intelligent detection, and the method comprises the steps: obtaining an original image of a structural member; performing coarse segmentation on the original image to generate an initial binary mask of the structural member; automatically screening out a target mask region containing a foreground prompt point through a connected domain analysis mode; calculating bounding box coordinate information of a bounding rectangle of the target mask region through a contour detection mode; extracting a corresponding target area sub-image from the original image; adopting a super-resolution reconstruction model to enhance the sub-image of the target area; performing sub-image division on the enhanced target area sub-image; fine segmentation is carried out on the sub-images, and a high-precision mask is determined; mapping the high-precision mask to an original image through coordinate mapping; and combining an edge detection algorithm to extract an outer contour line of the structural member to complete linetype identification of the structural member.

Based upon the identification of a structural member, a projective path and final attachment location for the structural member is presented to the crane operator. Further, the dimensions of each structural member are determined and compared against a construction site database. Structural members not conforming to the dimensions listed in the construction site database are identified and the crane operator alerted.

The invention provides a camper having strut system that reinforces the body of the camper without the use of structural elements such as walls or cross-bars at the rear of the camper. The strut system can be used with pop-up or wedge-type campers to provide a camper that is free of any structural elements between the sidewalls at the rear of the camper. By avoiding the use of structural elements between the sidewalls at the rear of the camper, the strut system provides a camper with a rear opening that is structurally sound and free of any obstructions making it easier to enter, exit, load, and unload the camper. The invention also provides a latching system, an awning system, and hatch securing system for use with a camper.

The invention relates to the technical field of concrete structure damage detection, in particular to a post-fire RC structure burst damage three-dimensional segmentation method, which comprises the following steps: firstly, determining the type and three-dimensional characteristics of post-fire RC structure member surface concrete burst damage, and constructing a corresponding three-dimensional point cloud data set for network training and verification; and then based on a KP-FCNN network structure, a KPConv layer is improved and optimized, so that the detection and segmentation precision is improved, the model size is reduced, the reasoning time is remarkably shortened, the optimal segmentation precision of 82.3% is achieved under the working conditions of different damage degrees, automatic damage segmentation of the burst damage of the concrete structure after the fire disaster is realized, and the automatic damage segmentation of the burst damage of the concrete structure after the fire disaster is realized. And technical support is provided for subsequent damage three-dimensional quantification and deployment to an unmanned aerial vehicle system.

Structural support apparatuses, systems, and methods are disclosed herein, where the structural support may include a rod having an upper end and a lower end, a base configured to be operatively coupled with the lower end of the rod and a foundation, and a mount assembly comprising a bracket configured to be operatively coupled with a structural member, and a mount connector operatively coupling the bracket to the upper end of the rod. The mount connector is configured to allow the rod to rotate with respect to the bracket while restricting separation of the bracket from the rod. The structural support apparatus is configured to allow for vertical adjustment of the structure without having to remove the bracket from a structural member of the structure.

The invention provides a structural engineering bearing capacity field detection method, and belongs to the technical field of structural engineering detection.The structural engineering bearing capacity field detection method comprises the steps that a multi-axial acceleration sensor and a strain gauge array are installed on the surface of a to-be-detected structural member, and an intelligent loading device is adopted to apply incremental loads; a mobile data acquisition terminal is utilized to acquire vibration response data and strain response data in real time, modal parameters are extracted based on a frequency domain analysis method to establish a load-modal parameter relation curve, the bearing capacity of a component is analyzed and calculated, a graph theory shortest path algorithm is adopted to optimize load transmission path analysis, and the load transmission path analysis is optimized. The bearing performance of the component is accurately evaluated through the structural response prediction model based on the Transform architecture, the technical integration of multi-dimensional detection data fusion, intelligent loading control, quantitative bearing capacity evaluation and accurate performance prediction is realized, and the technical problem of insufficient detection precision of the bearing capacity of the structural component is solved.

The invention belongs to the technical field of image processing, and particularly relates to a casting surface defect detection method and system based on image segmentation, and the method comprises the steps: obtaining a gray-scale image and a brightness background image of a vortex casting to be detected, and calculating the illumination deviation of each position in the image; segmenting the grey-scale map of the vortex casting to be detected by using an Otsu method to obtain a binary image; constructing a circular structural element according to the width of the optical interference region and the resolution of the imaging equipment; performing corrosion operation on the binary image based on the structural elements to generate a structural saliency image; obtaining a defect saliency value by using a product of a gray value and an illumination deviation in the structure saliency map; and calculating a segmentation threshold value based on the statistical characteristics of the defect-free sample, and identifying the position of which the defect saliency value is greater than the segmentation threshold value as a defect point. Through physical constraint and illumination feature fusion, the problem that a dark vortex structure and a real defect are difficult to distinguish is effectively solved, and the detection precision is improved.

The invention discloses a BIM-based building construction monitoring method, and the method comprises the steps: arranging a data collection device at a construction site, and obtaining multi-source data, such as structural members, construction machinery, spatial positions of operators, construction states, safety indexes and environmental parameters; automatically mapping multi-source data to a BIM three-dimensional model through an adaptive coordinate transformation and semantic recognition algorithm, matching the multi-source data with construction plan nodes, and generating a BIM construction state model reflecting a field state in real time; the system automatically compares the model with a construction plan model, identifies a state and calculates deviations such as progress, position, size, quality and safety; the method comprises the following steps: displaying deviation parts and potential safety hazards in a BIM interface in a highlight manner, superposing rectification suggestions, issuing a construction adjustment instruction confirmed by a manager to a field terminal, and storing monitoring, comparison, early warning and processing records in a database according to a time sequence to form a digital file; and real-time intelligent monitoring and visual management of construction progress, quality and safety are realized.

A leveling device which can be selectively deployed and actuated to raise, lift, or stabilize a structural member or other element with respect to a support surface. In some embodiments, the leveling device may include an extendable device frame. The device frame may be selectively extendable to various lengths. A frame extension assembly may operably engage the device frame. The frame extension assembly may be configured to facilitate selective extension or lengthening and retraction or shortening of the device frame. The device frame may be selectively lockable at the selected extended length. In application of the device, the device frame may be deployed in place between a floor or other support surface and an elevated structural member to be raised, leveled, or stabilized. The frame extension assembly may be deployed from the pre-extended position to the extended position to extend the device frame and raise, level or stabilize the structural member.

The invention relates to the technical field of structural analysis, and provides a structural model generation method and device based on an architectural drawing, equipment and a medium, which can reconstruct a line unit of a basic architectural drawing according to a line type assignment rule so as to realize visual distinguishing of component information. The drawing exchange format file processing library is called to accurately extract drawing information of the target architectural drawing and write the drawing information into the dictionary, so that hierarchical management and control of information can be realized, and component information confusion is avoided; each structure model standard layer is created according to the building drawing information file and the modeling information file, nodes are added to each structure model standard layer based on a node duplicate removal mechanism, and efficient node creation can be realized on the premise of avoiding repetition; structural component modeling is carried out on the basic framework according to the modeling information file and the pre-processing parameter file, pre-processing parameter configuration and model data engineering output processing are carried out on an initial structural model to obtain a target three-dimensional structural model, and therefore accurate modeling of the three-dimensional structural model is automatically achieved.

The utility model relates to a sliding shock insulation modular building which comprises a module group forming a building main body. The building foundation is used for bearing the module group; the sliding layer is arranged between the module group and the building foundation and comprises an upper sliding interface and a lower sliding interface which are fixedly connected with the bottom of the module group and the top of the building foundation respectively, and a sliding medium arranged between the upper sliding interface and the lower sliding interface; and the sliding starting control part is connected with the module group and the building foundation and is used for controlling the sliding starting state. Compared with the prior art, the earthquake response of an upper modular building can be reduced, non-structural members in the modules can be protected, the module units are lighter in design, the connection between the adjacent modules is simpler, and the connecting structure adapts to the characteristics of various layouts and stress; the anti-seismic performance of the modular building is improved through simple sliding seismic isolation measures which are low in manufacturing cost and convenient to construct.

In various embodiments, a room-based design application automatically generates a design for a floor structure of a building. In operation, the room-based design application generates blocks representing portions of the floor structure that are delineated by walls based on a room plan included in a computer-aided design of the building. The room-based design application modifies the blocks based on a spanning length to generate partitions. Each partition represents a different portion of the floor structure that can be spanned by a structural element that has the spanning length in at least one direction. Based on the partitions, the room-based design application determines wall classifications for the walls. The room-based design application generates at least a portion of the design for the floor structure based on the wall classifications and the partitions.

The utility model discloses a double amplification energy consumption mechanism used between railway pier beams and a railway, comprising a rotation amplification device, one end of which is arranged at the bottom of a main beam and the other end of which is arranged on a pier; one end of the bridge-type amplifying device is connected with the rotary amplifying device, the other end of the bridge-type amplifying device is connected with a bridge pier lug plate, and the end of the bridge pier lug plate is arranged on the bridge pier; the self-resetting energy consumption damping device is arranged in the bridge type amplifying device; the self-resetting energy dissipation damping device comprises a self-resetting assembly and an energy dissipation assembly, and the self-resetting assembly and the energy dissipation assembly are of an integrated structure. According to the mechanism, through mutual cooperation of the rotation amplifying device, the bridge type amplifying device and the self-resetting energy dissipation damping device, the energy dissipation capacity of a bridge structure is improved, the relative displacement between a pier and a pier beam is reduced, structural resetting after an earthquake and energy consumption in the earthquake are achieved through self-resetting energy dissipation, damage to components of a bridge main body structure is avoided, and the service life of the bridge is prolonged. Damage control and post-earthquake function restorability of the bridge structure are achieved.

The invention discloses a steel structural member laser cutting and welding integrated device which comprises a positioning conveying mechanism, a welding mechanism, a laser cutting mechanism and a finished product conveying mechanism, the positioning conveying mechanism comprises a positioning machine table, a positioning conveying assembly and a positioning rack, the positioning conveying assembly is arranged on the positioning machine table, and the welding mechanism is arranged on the positioning rack. The positioning machine table is fixedly connected with a positioning machine frame, then, one side of the positioning conveying mechanism is provided with a welding mechanism, the welding mechanism is used for welding the abutting positions of a web and a wing plate to form H-shaped steel, one side of the welding mechanism is provided with a laser cutting mechanism, and finally, one side of the welding mechanism is provided with a finished product conveying mechanism. The invention relates to the technical field of steel structure component production equipment, and has the characteristics that splicing, welding and cutting are integrated, so that the component production efficiency is improved, and the excellent component quality is ensured.

The utility model discloses a circular working well main body structure which comprises a cylindrical hollow side wall, a top plate located at the top is arranged at the upper end of the side wall, a bottom plate located at the bottom is arranged at the lower end of the side wall, #-shaped crossed internal partition walls are arranged in the internal space of the side wall, and the internal partition walls divide the internal space. And four shield launching and receiving holes are reserved in the lining wall on the inner side of the side wall. According to the utility model, the inverted circular lining wall and the enclosure structure form a superposed side wall, the support rigidity of an internal #-shaped crossed longitudinal and transverse beam (wall) system is large, and structural members are permanently and temporarily combined, so that the stability of the multi-hole structure of the ultra-deep circular working well is enhanced, and the formation deformation is effectively controlled. The longitudinal and transverse beam (wall) system is reasonable in space layout, plate span is reduced, a self-balancing space stress system is formed, the thickness of the top plate and the thickness of the bottom plate are small under the condition of large burial depth, the plate face is flat, arching is not needed, construction is convenient, and space utilization is reasonable.

The invention relates to an FRP-ECC covering layer and a construction method for connecting the FRP-ECC covering layer with a concrete member, and belongs to the technical field of building structural members. The FRP-ECC covering layer is used for reinforcing the construction strength of a concrete member and comprises the concrete member, a shear connector, an FRP grating and an ECC covering layer body. Wherein the shear connector is used for connecting the concrete member and the FRP grating, and the ECC covering layer is poured around the shear connector and the FRP grating; the shear connector comprises a plug connector and a fixing piece, the plug connector is detachably connected with the fixing piece, the fixing piece is used for being connected with a reinforcing steel bar of the concrete member, and the plug connector is used for being connected with the FRP grating. The FRP-ECC covering layer can be arranged in the construction stage of the concrete member, cracks caused by concrete shrinkage and load stress are actively inhibited through the high tensile strength of the FRP grating and the high ductility of ECC, and the hysteresis of passive repair in the prior art is avoided.

The invention discloses a steel structural member displacement welding machine assembly, and relates to the technical field of steel structural member welding, the steel structural member displacement welding machine assembly comprises a track seat, two U-shaped supporting seats distributed left and right are arranged on the track seat, C-shaped sliding frames are rotatably connected to the U-shaped supporting seats through gear transmission mechanisms, and reinforcing parts are arranged on the C-shaped sliding frames; a feeding driving piece and a locking piece are arranged on the inverted-L-shaped frame, and a damping piece and a rotating driving piece are arranged on the feeding driving piece. The clamping device has the advantages that through cooperation of the C-shaped sliding frame, the clamping part and the reinforcing part, a workpiece to be machined is limited and clamped, the positions of the clamping part and the workpiece to be machined are locked, and the clamping stability of the C-shaped sliding frame and the clamping part is improved; the workpiece to be machined is clamped in a surrounding mode from the longitudinal dimension and the transverse dimension, and the clamping stability is further improved; and the damping effect of the damping piece is matched with rigid supporting and clamping of the C-shaped sliding frame and the clamping part, the stability during welding machining is improved, and then the welding quality is improved.

The transformer substation connection fitting damage identification method provided by the invention comprises the following steps: emitting white noise to a transformer substation connection fitting to obtain a vibration signal of the transformer substation connection fitting; an optimal influence coefficient of the preset harmonic sine structural element is determined by adopting a starfish optimization strategy, an optimal harmonic sine structural element is obtained, and the starfish optimization strategy is that after influence parameters of the preset harmonic sine structural element are initialized, an objective function corresponding to the vibration signal is adopted to perform optimal influence parameter solution search; and carrying out morphological gradient combination product operation on the vibration signal by adopting the optimal harmonic sine structural element, and then carrying out spectral analysis to obtain a damage identification result of the transformer substation connection fitting. Therefore, accurate identification of the damage of the connection fitting is realized.

The present disclosure presents systems and methods for assisting a crane operator. An imaging system automatically images each building material object contained within a shakeout field on a construction site and processes the images to determine each object's identifying indicium and its geometric properties. These values are compared with a construction site database to ensure that all necessary building materials are present. A positioning device tracks, in real time, the location of the imaging system, the location of structural members within the shakeout field, and / or other important features of the job site, such as obstacles that the crane operator will need to avoid while lifting a structural member from its initial location to its destination location. Real-time images of the construction site, including indications of the next building material object to be hoisted and / or a path between the object's initial and final locations, can be generated to guarantee that the crane operator hoists the expected object to the expected location.

A modular structural element (20) which is arranged to be connected to another such element so as to form an assembled structure, wherein the modular structural element is of substantially square outline or of substantially hexagonal or half-hexagonal outline, and the element comprises a principal height dimension and a principle lateral dimension, wherein, a ratio of the two said principal dimensions is no more than 6.

The invention discloses a BIM-based fabricated building component intelligent matching and construction optimization method, relates to the technical field of fabricated building construction, and aims to solve the problem that the prior art lacks consideration of dynamic change factors of a construction site, and the method comprises the following steps: S1, establishing a BIM information model, and based on a fabricated building design drawing, establishing a BIM information model; building a three-dimensional information model including building structures, component geometric dimensions, material attributes and connection mode information by using BIM software, establishing a component database, and inputting related information of each component into the database; s2, dynamic information of the construction site is obtained, and environment information, construction equipment state information, constructor information and construction progress information of the construction site are obtained in real time through multiple sensors and a construction management system deployed on the construction site. The method has the advantage that construction optimization is carried out according to the dynamic change factors of the construction site.

A deployable shoe sole transitioning between a compacted state and a deployed state, incorporating a deployable structure with a first and second structural element hingedly connected to enable movement in a deployment direction. The first and second structural elements include congruent abutment surfaces that abut in the deployed state to limit further movement, ensuring stability under load. In the compacted state, the abutment surfaces form an angle to reduce the sole's volume.

A connection system for joining members of a structure, said system comprising an anchor element fixed to a primary structure or structural member and an adapter element fixed to said anchor element, said adapter element being adapted to receive, support and be connected to the end of a secondary structural member, the system permitting the assembly so created be readily, partially or completely, dismantled; said anchor element being fixed in place using conventional fastening means, said adaptor element being slidingly engaging with complementary shapings of said anchor element and locked in place on said anchor element by the installation of locking means, an end of said structural member being entered into and secured to said adaptor element by frictional engagement, by bonding or, where a tensile loading is to be applied to said structural member, by means of conventional fastenings.

The invention relates to a side door assembly for a motor vehicle, comprising: a side frame (2) defining a door opening (7), on which side frame a side door (1) movable between a closed position and an open position is supported; and a catching device (14) comprising a mandrel element (15) arranged on the side frame side and a door-side receiving element (21) arranged on the structural component (8) of the side door (1), which mandrel element and receiving element engage with each other in the event of a deformation of the side door (1) due to an accident caused by a side impact. In order to create a side door assembly, the catch device (14) of which is not adversely affected when a vehicle occupant gets on and off, it is provided according to the invention that the mandrel element (15) is arranged behind a trim part (16) of the side frame (2) and penetrates the trim part in the event of a deformation of the side door (1) caused by an accident due to a side impact, the door-side receiving element (21) is arranged on the door-side receiving element (21).

The invention provides a Dong minority traditional settlement landscape digital map system based on a GIS technology, and the Dong minority traditional settlement landscape digital map system comprises the steps: collecting a building landscape image of a target building, and converting the building landscape image into a landscape enhancement map; semantic segmentation of structural elements is carried out on the building landscape enhancement graph according to the edge expression degree of the building landscape image in the edge enhancement processing process, and a structural semantic graph of the building landscape is obtained; dividing a plurality of space unit clusters from the structure semantic graph according to a space constraint relationship among different structure elements; generating an aggregation unit of a building structure form according to the feature point set of the building structure in the space unit cluster in combination with the minimum envelope geometric constraint; and performing visual regularization on the building landscape image according to the morphological coupling degrees among the aggregation units, and generating a visual regularized graph of the target building. According to the technical scheme provided by the invention, the complexity of the building structure in the traditional settlement landscape and the identification of the spatial relevance can be improved, and the real structural form construction of the target building is realized.

There is provided an additive manufacturing method intended for producing a carcass (24) of an airless tire (1), the additive manufacturing method employing an additive manufacturing machine (20) producing a plurality of layers of structural elements (25) of the carcass (24) in any XY plane perpendicular to the axis of rotation of the carcass (24) by depositing strips of fusible printing material, the tape portion of each structural element (25) has, in any XY plane, a portion that is inserted into the tape portion of each adjacent structural element (25).