1851 results about "Structural component" patented technology

The invention relates to an additive manufacturing method and application of an aluminum-based silicon carbide composite material complex component, and the additive manufacturing method of the aluminum-based silicon carbide composite material complex component comprises the following steps: step 1, uniformly mixing silicon carbide powder and aluminum alloy powder, and drying; 2, establishing a structural model for the target part, and importing the structural model into selective laser melting forming equipment; thirdly, selective laser melting forming is conducted; fourthly, linear cutting and surface treatment are conducted; and fifthly, hot isostatic pressing treatment is conducted. The invention further provides application of the aluminum-based silicon carbide composite material complex component to precise structural components such as aviation structural components, guided missile and satellite components and optical instruments. According to the method, the problem of subsequent large-allowance removal of the aluminum-based silicon carbide composite material component is solved, the wettability between the aluminum alloy and the silicon carbide particles is improved, the mechanical property meets the application requirement, and the aluminum-based silicon carbide structural component with stable performance is obtained.

The invention discloses a single crystal turbine blade crystal orientation defect detection system based on adaptive optics, particularly relates to the field of nondestructive testing, and is used for solving the problem that thermal damage and signal consistency are difficult to consider in acoustic imaging of complex structural parts. Through partition energy threshold setting, dynamic pulse planning, photoacoustic processing and unified coordinate cross-subarea data synthesis, local thermal damage caused by excessive concentration of energy is effectively avoided in the material detection process, and the requirement for collecting high-bandwidth signals can be met in a large range. The signal-to-noise ratio and the detection efficiency are improved by regulating and controlling pulse energy and a scanning path, the amplitude comparability and the image coherence among regions are ensured through signal normalization correction and subregion image set splicing, high-resolution and comprehensive-coverage acoustic mapping is output, the crystal orientation defects of the single crystal turbine blade are positioned and evaluated, the detection precision is improved, the measurement period is shortened, and the method is suitable for large-scale popularization and application. And the method has an applicable value for aero-engine parts requiring rapid and high-precision nondestructive detection.

The invention discloses structural part welding equipment for bridge engineering construction, and relates to the technical field of welding equipment. The structural part welding equipment for bridge engineering construction comprises a portal frame, a chute is formed in the top of the chute plate, the chute inclines upwards in the process of being away from the portal frame, a supporting plate is slidably mounted at the chute of the chute plate, and the top of the supporting plate is a plane. When the positioning mechanism positions the plate and applies pressure to the plate obliquely and downwards, the bottom of the plate is tightly attached to the top of the supporting plate, and when the plate tends to slide relative to the supporting plate due to inertia of the plate or contact between the plates in the movement process, the friction force between the supporting plate and the plate can be reduced to the maximum degree. And the supporting plate tends to slide in a chute of the chute plate, so that the supporting plate applies pressure to the plate upwards, and the movement of the plate is limited in cooperation with obliquely downward pressure application of the positioning mechanism.

The invention belongs to the technical field of material science, and relates to a generation method of a material formula, a target material, an automobile structural part, a vehicle, a device, a medium and electronic equipment. The method comprises the following steps: acquiring target performance data of a target material to be prepared; and inputting the target performance data into a pre-trained material large model, so that the material large model outputs formula data for preparing the target material and corresponding process data. The formula data and the process data of the preparation method are reversely deduced according to the target performance data required by the target material by utilizing the large material model, the large model is introduced into the field of material science, and the generation method of the reverse material formula realizing'target performance driving 'is provided without relying on a large number of manual experiment trials and errors; and the advantages of strong generalization ability and reasoning ability of the large material model are exerted, so that the research and development efficiency and success rate of new materials are improved, and the application scenarios of the large material model are enriched.

The invention relates to the technical field of civil engineering and constructional engineering, in particular to a large-span structural member installation deviation intelligent evaluation method, which comprises the following steps of: calculating a difference value between an actual installation coordinate and a design coordinate of each rod member to obtain a coordinate deviation; the coordinate deviation is input into a first calculation and analysis model, and a first deformation response value of each rod piece is obtained; calculating a deformation response coefficient I of each rod piece in a self-weight state, and performing first-stage evaluation; applying an external load to the calculation analysis model II to obtain a deformation response value II and a load coordinate of each component; calculating a deformation response coefficient II of each component in a load state, calculating a difference value between a load coordinate and a design coordinate to obtain a finished deformation value, and performing second-stage evaluation; according to the results of the first-stage evaluation and the second-stage evaluation, judging whether the requirements are met or not; whether the deviation meets the requirement or not is judged through two-stage evaluation, potential safety hazards can be found in time, and structural safety and construction quality are guaranteed.

The invention relates to the technical field of welding automation, in particular to a quality sensing intelligent welding wire allowance monitoring system and method. According to the system, the total mass is detected in real time through a mass detection mechanism comprising a welding wire storage device, a weighing body and a plurality of force sensors, the mass of the remaining welding wires is accurately calculated through a controller according to pre-stored self-weight parameters, and then the remaining length is converted through welding wire specification parameters. According to the method, self-adaptive threshold early warning is achieved by comparing the remaining length with the required length calculated according to the next welding parameters, and the welding sequence can be automatically adjusted to optimize production. According to the method, the problems of interruption risk and resource waste caused by the fact that the allowance cannot be accurately measured due to the fact that the dead weight of the welding wire barrel is too large and estimation depends on experience in a traditional method are solved, real-time accurate monitoring of the allowance of the welding wire is achieved, welding continuity of important structural parts is guaranteed, material waste is remarkably reduced, and production efficiency is improved.

A structural component serves as a container for a vehicle. The structural component comprises a trough-shaped container section, an edge region, and fastening elements that are provided in the edge region. The container section forms a compartment and defines a bottom region and two or more wall regions, which are at least sectionally inclined with respect to the bottom region. The two or more wall regions are arranged between the bottom region and the edge region. The fastening elements are arranged and distributed around the container section. The container section and the edge region are formed of an injection moldable fiber reinforced thermoplastic material. The structural component at least sectionally has a porous internal structure that is formed by foaming the thermoplastic material.

The invention discloses a microdefect-containing high-temperature structure damage regulation and control method based on a dual-scale modeling method and a related device, and relates to the technical field of structural integrity evaluation and optimization of high-temperature alloy materials, and the method comprises the following steps: obtaining a plurality of alloy experiment samples subjected to standard heat treatment; the method comprises the following steps: establishing a macroscopic-microscopic dual-scale model based on an alloy experimental sample; mapping the macroscopic displacement field to a microscopic model in the macroscopic-microscopic dual-scale model, calculating a local plastic slippage cumulant, and taking a cumulative plastic slippage critical value as a fatigue failure criterion; based on the local plastic slippage cumulant and the cumulative plastic slippage critical value, defect parameter sensitivity evaluation is conducted on the alloy experiment sample, and the influence of the defect shape, the defect size and the defect position on the fatigue life is obtained; and carrying out surface gradient microstructure strengthening on the high-sensitivity area, optimizing a defect form through plastic deformation and transferring a damage accumulation position. The service life of the high-temperature structural part is remarkably prolonged.

The invention relates to the technical field of aluminum alloy materials, and provides a high-thermal-conductivity 6xxx aluminum alloy, a preparation method thereof and an electronic product structural part. Wherein the 6xxx aluminum alloy comprises the following components in percentage by mass: 0.3 to 0.5 percent of Mg, 0.2 to 0.35 percent of Si, 0.08 to 0.12 percent of Ce, less than or equal to 0.10 percent of Cu, less than or equal to 0.15 percent of Fe, less than or equal to 0.05 percent of Mn, less than or equal to 0.10 percent of Zn, less than or equal to 0.05 percent of Ti, less than or equal to 0.15 percent of total impurities and the balance of Al; and Mg / Si is in the range of 1.3 to 1.5. According to the 6xxx aluminum alloy and the preparation method thereof, the content and the mass ratio of Si and Mn are accurately regulated and controlled, meanwhile, a trace Ce element is added, the thermal conductivity and the anodic oxidation performance of the 6xxx aluminum alloy are improved, solid solution and aging processes are further matched, the beta ''phase and the grain size are controlled, and the alloy has the excellent anodic oxidation performance while having the high thermal conductivity.

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.

A molded element for arranging on a temperature-controllable element, wherein the temperature-controllable element may preferably be an energy storage element, for example an electrochemical energy storage cell, wherein the molded element comprises: at least one receiving zone for receiving at least one section of the temperature-controllable element in the molded element and a molded element material having a density of at most 0.75 g / cm3, preferably at most 0.65 g / cm3, particularly preferably at most 0.55 g / cm3.

A fastening assembly for a structure having a plurality of structural components fastened to a substructure includes a spacer for positioning on a substructure between adjacent structural components. The spacer is configured to maintain a desired spacing between the structural components. The fastening assembly includes at least one gripping member, the, or each, gripping member including opposed arms and a web that interconnects the arms, with the spacer being receivable between the arms. The spacer and the arms are configured so that when the spacer is received between the arms, the arms are driven away from each other so that free ends of the arms bear against respective adjacent sides of said adjacent structural components to secure the structural components to the spacer.

The invention provides an on-machine measurement path planning method for a five-axis numerical control machine tool of a large structural member, a medium, equipment and a product, and relates to the technical field of numerical control machining, the method comprises the following steps: selecting a to-be-measured surface on a three-dimensional model of the structural member, and determining a measurement point which comprises the spatial position of the measurement point and normal direction information of the to-be-measured surface at the measurement point; generating a first measurement path according to the measurement point information and the measurement path parameters, performing collision detection on the initial measurement path, judging whether interference exists between a path track and the structural member, and if interference exists, correcting a local section of the interference path to obtain a second measurement path; probe movement is simulated based on the second measurement path, probe collision detection is carried out, and if interference is found, the second measurement path of the collision area is modified to obtain a final measurement path; and generating the final measurement path into an NC program which can be identified by the five-axis numerical control machine tool, carrying out measurement work, and carrying out error compensation on actual measurement data. Manual dependence is reduced, and the measurement precision is high.

A system and method for programmed multimaterial assembly via a freeform multimaterial assembly process, including controlling a multi-axis actuation system to synergistically integrate a fused filament fabrication (FFF) process and a direct ink writing (DIW) process with a freeform laser induction (FLI) process for the construction of 3D engineered structures; causing generation, via the controlled multi-axis actuation system, of structural components of one or more target 3D engineered structures via the FFF process and the DIW process; causing generation, via the controlled multi-axis actuation system and based on the generated structural components, of functional materials via the FLI process; and causing construction, via the controlled multi-axis actuation system, and based on the generated structural components and the generated functional materials, of the one or more target 3D engineered structures.

The disclosure describes and illustrates improvements to bed rails, to include easier assembly and lighting features. An embodiment of a bed rail ships to a user in four primary structural pieces, eliminating complicated user assembly. The present disclosure also describes a light bar disposed within the bed rail, with various lighting features. The improvements and inventions discussed herein provide a better user experience and increase the usability of the bed rail.

An aircraft structure part having a stacked arrangement of layers with the layers being one of an at least first doubler and a basic layer of the outer skin of an aircraft fuselage, with the first doubler and the basic layer being bonded by a first intermediate bond film layer to form a step-shaped configuration of the aircraft structure part, wherein the first doubler includes a first fiber prepreg layer, in particular glass fiber prepreg layer, arranged at the perimeter of the first doubler and wherein the first fiber prepreg layer is bonded to the basic layer by at least one first bond-film segment deposited adjacent to the first fiber prepreg layer in a first wedge-shaped element at least partially incorporating the first fiber prepreg layer. A method is disclosed for providing an aircraft structure part and an aircraft fuselage provided with the aircraft structure part.

Metal to composite joints and methods of forming are presented. A metal to composite joint for a platform comprises two metal structural components forming a portion of a first surface and a portion of a second surface of the metal to composite joint; and a dividing set of composite plies between the two metal structural components providing an escape path for volatiles between the two metal structural components.

The invention discloses a gadolinium-containing metal-based structure and function integrated neutron shielding material which comprises a stainless steel base material and gadolinium, chromium, tungsten and tantalum which are added into the stainless steel base material, and the stainless steel base material is martensitic stainless steel. The invention also discloses a preparation method of the shielding material. The preparation method comprises the following steps: (1) preparing and mixing the raw materials according to the design proportion; (2) smelting the mixed raw materials into a cast ingot under the protection of vacuum or inert gas; and (3) the cast ingot is made into the martensitic stainless steel material through hot pressing machining. Through the mode, the gadolinium-containing metal-based structure and function integrated neutron shielding material prepared by the preparation method disclosed by the invention has excellent mechanical properties, can be used as a structural component material, is suitable for radiation shielding protection of a microminiature reactor, and can be used as a structural component material to realize integration of a structure and a neutron shielding function.

The invention discloses a plugging device pipe air tightness testing method and system, and relates to the technical field of air tightness test.The plugging device pipe air tightness testing method comprises the steps that a micro-fluidic channel is designed according to a structural assembly of a plugging pipeline of a plugging device, a sensor array is introduced according to detection requirements, and a micro-fluidic chip is constructed; butting the micro-fluidic chip and the plugging pipeline, and generating a parallel test task according to a pipeline assembly mode-inflation condition of the plugging pipeline; performing an inflation test on a plugging pipeline of the plugging device according to the parallel test task, when an airflow balance stage is reached, activating the sensor array to perform directional detection, determining sensing data in the microfluidic channel, and executing data fitting to determine a ventilation circulation state; and according to the ventilation circulation state, evaluating and determining air tightness data. The technical problem that in the prior art, an airtight leakage assembly cannot be accurately identified under different pipeline assembly modes and inflation conditions is solved, and the technical effects of accurately evaluating airtight data and positioning the leakage assembly under various assembly and inflation states are achieved.

The invention discloses a turbine fault characteristic collaborative verification method and system, and belongs to the technical field of turbine fault diagnos.The turbine fault characteristic collaborative verification method comprises the steps that structural component parameters, operation boundary conditions and historical operation data of a target area of a turbine are collected, and a heat-stress-vibration coupled simulation model is established; a working condition disturbance factor is introduced to simulate an unsteady-state operation condition; a simulation model is driven through a typical operation event, a response set is extracted, and an abnormal response mapping domain is constructed; actual measurement monitoring data are collected and reconstructed, and feature response vectors are generated; projecting the simulation response to a feature response space, and constructing a response fusion error tensor; generating a verification weight field, extracting highly-correlated simulation sub-responses, and forming a dynamic weighted matching group; identifying an optimal influence path chain through path backtracking, and outputting a fault judgment result and a collaborative verification index; according to the method, traceable modeling, quantitative verification and response mechanism analysis of fault identification are realized, and the method has high precision, high interpretability and engineering practicability.

The disclosure relates to medical tubes and methods of manufacturing medical tubes. The tube may be a composite structure made of two or more distinct components that are spirally wound to form an elongate tube. For example, one of the components may be a spirally wound elongate hollow body, and the other component may be an elongate structural component also spirally wound between turns of the spirally wound hollow body The tube need not be made from distinct components, however. For instance, an elongate hollow body formed (e.g., extruded) from a single material may be spirally wound to form an elongate tube. The elongate hollow body itself may in transverse cross-section have a thin wall portion and a relatively thicker or more rigid reinforcement portion. The tubes can be incorporated into a variety of medical circuits or may be employed for other medical uses.

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 relates to the technical field of structural health monitoring and reliability evaluation, and discloses a structural component fatigue life prediction method based on a CNN-BiGRU-MHSA fusion model, and the method comprises the steps: collecting multi-source heterogeneous signals, such as strain, vibration and load, calculating crack propagation mechanism characteristics in combination with a fracture mechanics theory, and generating a physical-oriented fatigue life label. The method comprises the following steps: constructing a deep fusion network, extracting local spatial features by using a convolutional neural network, capturing a bidirectional time sequence dependency relationship through a bidirectional gating circulation unit, calculating a global feature weight by using a multi-head self-attention mechanism, and generating weighted fusion features; and finally, a predicted value is output through full-connection layer regression, and parameters are optimized based on physical tags. According to the method, effective combination of a physical mechanism and deep learning is realized, the defect of poor interpretability of a pure data driving model is made up, and the accuracy and robustness of fatigue life prediction under complex working conditions are improved.

A system and method for architecturally designing and manufacturing building structures customized for environments vulnerable to extreme weather events or other natural phenomena. The method includes determining an environmental susceptibility of a proposed building location, designing building components factoring in geographical and climate-related features, manufacturing the building components, and assembling the building structure in a manner better configured to resist extreme weather or natural events.

The invention relates to a method for producing a structural component, at least part of which is in the form of a hollow profiled element, for a bicycle (1), comprising the method steps of: providing an injection molding device; producing and / or providing at least one lost core (30) which can be melted out and / or dissolved and / or mechanically destroyed and which is adapted at least to a first part of an inner contour of the structural component; introducing the lost core (30) into a mold tool; closing the mold tool and keeping it closed and overmolding the lost core (30) with a thermoplastic material; opening the mold tool and removing an injected-molded intermediate product; melting out and / or dissolving out and / or mechanically removing the lost core (30). The method is in particular characterized in that at least one further part of the inner contour of the structural component is molded by means of at least one movable tool core (31) or movable mold slide of the mold tool. The invention also relates to a structural component of a bicycle (1).

A large-size special-shaped structural part machining rapid alignment method comprises the core steps that a reference part is installed, specifically, at least four non-collinear spherical screws are fastened to a component process block / redundant rough material, and at least four evenly-distributed adhesive balls are pasted to different side faces of the outer surface of a component; a three-dimensional scanner with the precision smaller than or equal to 0.01 mm is adopted for scanning the component, point cloud data and a design model are registered through an iterative nearest point algorithm, and theoretical sphere center coordinates of the spherical screw and the adhesive ball are obtained. Double-reference cooperation is adopted, three-dimensional scanning and numerical control automation are combined, whole-process multi-link control precision and alignment efficiency are high, precision is reliable, and the method is suitable for large-scale production. And the assembly can be reused, is adaptive to different numerical control systems, and is suitable for alignment of various large-size special-shaped structural parts before machining.

The application relates to a vehicle body structure and a vehicle. The vehicle body structure comprises a longitudinal beam, a cross beam, a trunk, an air tank, an air pump and a rear suspension. The longitudinal beam and the cross beam are connected with each other, and the longitudinal beam and the cross beam are used for supporting other structural components of the vehicle body structure. The longitudinal beam extends into the trunk. The air pump is connected with the longitudinal beam extending into the trunk. The air pump and the air tank are arranged on both sides of the central axis of the vehicle body structure and are located close to the rear suspension. According to the embodiment of the application, the arrangement requirements of the air suspension air pump and the air tank can be met while the trunk space of the vehicle is expanded, and interference between the expanded space and other vehicle body structures of the vehicle is avoided.

The invention discloses a special-shaped surface processing method for a GPU main body structural member. The method comprises the steps of generating a three-dimensional special-shaped surface model with an electromagnetic shielding function and a thermal radiation enhancement characteristic based on environment simulation data of a target application scene; a metal additive manufacturing process is adopted, a metal matrix is formed layer by layer according to a three-dimensional special-shaped surface model, a multi-stage fractal microstructure is formed on the surface of the metal matrix through an electrochemical micromachining process, and a gradient refractive index photonic crystal layer and a periodic nano-particle layer are sequentially deposited on the surface of the multi-stage fractal microstructure. Forming a composite functional layer with a super-hydrophobic surface and high infrared emissivity; and based on the hydrophobic angle and thermal radiation performance data detected in real time, processing parameters are adjusted through a feedback control system, iterative optimization is performed on the morphology of the composite functional layer, a high-performance surface with electromagnetic shielding, efficient heat dissipation and super-hydrophobic characteristics is formed, the reliability of the GPU structural part is integrally improved, and the service life of the GPU structural part is integrally prolonged.

The invention relates to the technical field of space environment detection, in particular to a photoelectric sensor for space dust particle size detection, which comprises an optical signal collection assembly and an electric signal conversion and acquisition assembly, and is characterized in that the optical signal collection assembly comprises a support, a front pressing plate, an optical filter and a sensor; the electric signal conversion and acquisition assembly comprises a circuit box body, a photoelectric conversion detector, a signal processing circuit board, a signal wire passing sleeve and a circuit box cover. The support of the particle size sensor is used as a main structure, and other structures are subjected to split design and integrated precision assembly, so that the processing difficulty of a complex structure is reduced, the machining precision of a single structure is effectively improved, and the form and position processing error of each structural part is effectively controlled; the non-imaging compound paraboloid condensation sensor is independently designed and processed, so that the processing precision of a product is improved; and vibration reduction design is independently carried out on internal structural components, so that the mechanical impact resistance of weak parts is improved.

The invention discloses a power plant equipment three-dimensional interactive training system based on a structured knowledge base, and the system comprises a data processing module which is used for collecting the operation data of power plant equipment, and carrying out the preprocessing of the operation data; the knowledge base construction module is used for constructing equipment object-oriented structured knowledge units and fusing the equipment object-oriented structured knowledge units to form a structured knowledge base; the model construction module is used for constructing a three-dimensional interaction model corresponding to the equipment object and binding a corresponding knowledge unit label; the scene training module is used for constructing a scene training process and embedding operation guide information and risk prompt information; the comparison recording module is used for receiving operation behaviors of a user in the three-dimensional interaction model, recording abnormal operations and positioning the abnormal operations to geometric nodes of corresponding structural components; the demonstration calculation module is used for performing similarity semantic calculation and dynamically presenting an error correction demonstration process; and the training evaluation module is used for generating training evaluation data. According to the invention, the recovery degree, error correction efficiency and evaluation capability of training are improved.