686 results about "Substructure" patented technology

The present disclosure relates to a solar plant with solar panels (2, 2′) which are prefabricated in a leporello folding (3) which can be unfolded in an unfolding direction (A), and a substructure on which the solar panels are arranged, wherein the substructure is designed to be flexible in the unfolding direction (A) and is connected to the solar panels in a positionally fixed manner in such a way that the leporello folding (3) of the solar panels can be unfolded with the substructure (8, 9, 10, 24) and determines angular positions of the solar panels (2, 2′) relative to one another.

A substructure for footwear can be produced. An inner half-shell of an intermediate layer forms a foot support and a lower, adhesion-promoting layer is produced by heating a mass, pressing the heated mass with the adhesion-promoting layer to form the inner half-shell which is then cooled. A sole area is foamed without demolding the half-shell in a mold part, wherein a press die is introduced into the mold part for pressing the mass with the adhesion-promoting layer. After removal of the press die a mold cavity is placed sealingly on the mold part, so that a cavity in the form of the sole region remains between the lower, adhesion-promoting layer and the mold cavity, into which a plastic is injected or foamed.

The invention belongs to the technical field of underground structure tests, and provides a deep underground structure pseudo-dynamic test method and device.The method comprises the steps that a numerical substructure and a test substructure are constructed, and an interaction boundary is arranged between the numerical substructure and the test substructure; and compensating the boundary prediction data according to the inertia force compensation coefficient based on the numerical sub-structure in each loading process, and loading the compensated prediction data to the test sub-structure, so that the test sub-structure outputs prediction response data and updates the rigidity of the numerical sub-structure, and determining a target balance force according to the prediction response data based on the numerical simulation substructure, driving a next loading process by using the target balance force, and obtaining a dynamic response rule of the soil-structure system when respective boundaries of the numerical simulation substructure and the test substructure meet displacement coordination and force balance. According to the method, the initial stress state of the deep underground structure can be accurately simulated, and the accuracy of obtaining the mechanical response rule of the underground structure is improved.

The invention relates to a method for calculating dislocation structure energy based on discrete dislocation kinetics, which comprises the following steps of: decomposing strain and stress generated by plastic deformation in a crystal into an elastic field generated by dislocation in an infinite continuous medium and an additional field used for correcting real boundary conditions; and the stress and strain states of the target crystal material under the actual plastic deformation condition can be accurately captured, so that the influence of a real boundary on the plastic deformation process is deeply reflected. Dynamic evolution of a large number of discrete dislocation sections is directly considered through the discrete dislocation dynamics theory, the plastic behavior of a material is essentially simulated, the evolution process of a dislocation substructure can be directly captured, the plastic deformation mechanism of the material is essentially reproduced, and then a calculation formula of dislocation structure energy is deduced; the calculation precision of dislocation structure energy is improved, and the internal mechanism of different plastic deformation behaviors of the crystal material can be deeply understood.

The invention discloses a wind tunnel-pool combined loading floating fan distributed hybrid test method, which comprises the following steps of: establishing a floating fan multi-body / multi-physical field collaborative reduced scale criterion, dividing a floating fan into two independent physical models and two independent numerical models, and placing the two independent physical models and the two independent numerical models in different laboratories; integrating a physical model, a numerical model, a loading system and a measurement system, and building a floating fan physical-numerical distributed hybrid test platform; and carrying out data interaction and closed-loop control on the physical-numerical hybrid test platform. A fan and a floating platform are adopted as two relatively independent test substructures, test loading or computer simulation can be carried out in different laboratories by establishing different similarity criteria and geometric scale ratios, a collaborative online test and pneumatic-hydrodynamic load loading under the coupling action of wind, waves and flow are carried out through network interaction data, and the test efficiency is improved. The technical problems of environment load high-precision simulation and dynamic coupling response in a reduced scale model test are solved.

The invention discloses a bridge substructure modeling scheme generation method and device, equipment and a medium, and relates to the technical field of bridge engineering, and the method comprises the steps: obtaining bridge superstructure design input parameters, constructing substructure design task information, and generating design parameters through big language model reasoning; and a modeling script is automatically generated, and structural response calculation is carried out. Different modeling strategies are judged and executed according to the calculation result, finally, a target modeling scheme meeting the requirement is intelligently generated, design parameter generation and automatic modeling of the bridge substructure in a non-standard bridge type scene are achieved, and the design efficiency and accuracy are improved.

A method for rapidly solving transient dynamics of a crack-containing bearing structure of a bogie belongs to the technical field of bogie structure dynamic analysis, and comprises the following steps: acquiring a three-dimensional geometric model of the bearing structure, the geometric dimension of a crack and the position coordinate dimension of the crack; dividing the finite element model of the bearing structure, and carrying out grid division processing on the crack surface; selecting a main degree-of-freedom node of the finite element model on the surface of the bearing structure and the crack surface; performing substructure analysis on the finite element model of the bearing structure; obtaining a mass matrix, a damping matrix and a stiffness matrix of the finite element model of the bearing structure after the degree of freedom is reduced; carrying out constraint simulation on a crack surface node by adopting a one-way nonlinear rigidity unit; processing constraint boundary conditions; processing the excitation load; and solving a dynamic second-order differential equation set, and judging whether the crack surface is in contact or not. According to the method, the opening and closing effects of the crack can be considered, the transient dynamic response of the crack-containing bearing structure under the action of the external load is obtained, and the solving precision and efficiency are both considered.

The invention belongs to the technical field of manufacturing of low-alloy high-strength steel, and particularly relates to atmospheric corrosion resistant HC260LA low-alloy high-strength steel and a production method of the atmospheric corrosion resistant HC260LA low-alloy high-strength steel. 0.15% to 0.30% of Si; 0.40% to 0.60% of Mn; 0.06% to 0.10% of P; less than or equal to 0.015% of S; 0.02% to 0.08% of Al; 0.10% to 0.20% of Cu; 0 to 0.15% of Ti; 0 to 0.09 percent of Nb; 0.001% to 0.006% of N; and the balance of Fe and inevitable impurities. According to the method, the blocking effect of segregation of P-Cu elements on the grain boundary on a corrosion path is utilized, low-temperature rolling is combined, a three-dimensional corrosion-resistant system of fine grain strengthening, substructure strengthening and rust layer protection is constructed, and the weather resistance, the corrosion resistance and the mechanical property are jointly improved.

A fastening system for covering elements, the fastening system comprising an anchoring profiled element that can be mounted to a substructure and a clip element that can be mounted to the covering element and latched to the anchoring profiled element, wherein the anchoring profiled element has at least one latching protrusion on each of two opposite faces and the clip element has the shape of a U with a central web and two legs, and wherein, in the latched position, the clip element extends over the anchoring profiled element in the manner of a clamp and each leg latches to a latching protrusion in the manner of a snap hook.

A portable agricultural cultivation and / or microscopy facility is provided. The facility includes an adaptable, portable superstructure having a first collapsed state and a second expanded state, wherein in the first collapsed state the superstructure is transportable from one location to another, and wherein in the second expanded state, the superstructure defines one or more expandable compartments of the portable agricultural cultivation and / or microscopy facility. The facility further includes a substructure configured to operatively engage with the superstructure, wherein said substructure, when operatively engaged to the superstructure, is configured to support the superstructure.

A method for erecting a portion of a transportation structure including two assemblies of tube segments, capable of being placed under low air pressure and through which pods may travel substantially free of air friction, the method including: (a) erecting a substructure including a first plurality of girders forming a first transportation pathway, a second plurality of girders forming a second transportation pathway and a plurality of platforms forming a service pathway, the erecting step including conveying with vehicle(s) the girders and platforms along the first and / or second transportation pathway, positioning them and having the vehicle(s) return along the service pathway, (b) conveying, with vehicle(s), the tube segments along the first and / or second transportation pathway, positioning them and having the vehicle(s) return along the service pathway. A portion of a transportation structure is also provided.

A windmill construction (10), comprising a rotor-nacelle assembly (12) with blades (14), a tower (16), a substructure (20) and a foundation (22). The substructure (20) comprises a first guide collar (24) and a second guide collar (26) for support of the tower (16), said first guide collar (24) being located in a lower part of the substructure (20) and said second guide collar (26) being located in an upper part of the substructure (20). The substructure (20) comprises a jack-up assembly (30) for receipt of modular tower segments (18), said tower segments (18) are arranged to be assembled in the substructure (20) and erectable by the jack-up assembly (30) to produce an assembled tower (16). The invention is also directed to a method for assembly of a windmill construction.

A method of manufacturing a semiconductor die package is provided. The method includes providing a lead frame having a substructure and at least one tie bar, the substructure including a terminal forming portion in electrical communication with the at least one tie bar. The method includes bonding a die to the substructure. The method includes encapsulating the substructure and the die within an encapsulation layer. The method includes performing a first cut through the terminal forming portion and the encapsulation layer to form side terminals while maintaining all tie bars substantially intact. The method includes electroplating the side terminal. The method includes performing a second cut through the tie bar and the encapsulation layer to singulate a semiconductor die package from the lead frame.

A profile element for attachment to the rear side of a façade panel, which in turn is fastened to a base such as a building surface or substructure. The profile element is formed in one piece and includes three functional sections arranged one after another: a fixing section for fixing the profile element to a base; a support section for attachment to the façade panel; and a spacer element which, in the installed state, ensures the correct distance between the base and the rear side of the façade panel. The profile element is extendible by a supplementary element, which has functionally similar elements and is only used if required by the geometry of the façade panel. The supplementary element is usable for positive connection to the profile element of an adjacent façade panel. Such a façade system provides flexibility for a wide variety of types and dimensions of façade panels.

This application relates to a monolithically integrated multi-wavelength topological cavity surface-emitting laser (PCSEL) array. According to one embodiment, a monolithically integrated PCSEL array includes multiple PCSELs formed from the same semiconductor layer, at least one layer of which is formed as a photonic crystal layer, or the laser also includes a separate photonic crystal layer. The photonic crystal layer includes multiple supercell structures, each with substructures having multiple independent one-dimensional parameters. At least two independent one-dimensional parameters of one or more substructures are modulated to be greater than or less than their equilibrium position to open the Dirac point of the supercell's bandgap at the equilibrium position. Around any point in the photonic crystal layer, the modulation of the two independent one-dimensional parameters of the supercell forms a vortex structure, which corresponds in parameter space to one or more turns around the equilibrium position. The supercell lattice constants of the two lasers can be different to emit lasers of different wavelengths.

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 relates to the technical field of aircraft design, and discloses a hydrogen energy powered aircraft airworthiness analysis method and device based on MBSE, and the method comprises the steps: building a modeling architecture standard of a hydrogen energy aircraft power system; according to the modeling architecture standard of the target hydrogen energy aircraft power system, modeling each substructure of the target hydrogen energy aircraft power system to obtain a target hydrogen energy aircraft power system model composed of a plurality of substructure models; obtaining airworthiness regulations; each requirement in the airworthiness regulations is represented by using a physical structure to realize a specific function; and analyzing whether each substructure model of the target hydrogen energy aircraft power system meets each requirement in the airworthiness regulation or not to obtain an analysis result. According to the method, potential differences and conflicts between the target hydrogen energy aircraft power system and the existing airworthiness regulations can be visually and accurately identified, and the hydrogen energy power aircraft certification efficiency is improved.

As a building material wall niche to be integrated into the building structure by assembly, with a self-supporting, stable component structure, the invention does not require a load-bearing substructure like otherwise usual inserts into a receiving body or an additional rear support structure and allows a flexible mounting position in any orientation (horizontal, vertical, diagonal, etc.).

The invention discloses a novel structure construction method using a gradient triple-period minimal surface lattice. The novel structure construction method comprises the following steps: defining a mathematical relationship of an entity part of a TPMS lattice according to a selected scene; the standard TPMS lattice in the original cube is deformed and matched into the pyramid space, a transition structure is formed, and a final TPMS distortion structure is output; connecting the upper-layer small unit lattices with the lower-layer large unit lattices by the TPMS twisted structure to generate gradient lattices without geometric defects; the gradient between different unit numbers is controlled by controlling the size of the top plane of the pyramid; the size of the transition area is adjusted, the transformation completion distance of the substructure is changed, and then the elastic modulus is adjusted and controlled; the number of layers of the base structure in the transition area is increased, and the buffering distance of structure transformation is prolonged. The problems that in the prior art, a gradient lattice transition area has geometric defects, the adjustable range of elastic modulus is small, and stress is concentrated are solved, and the stability and durability of the structure are improved.

The invention relates to the technical field of digital logic design, and discloses a hierarchical incremental logic synthesis method and device for multi-module design, and the method comprises the steps: building a node mapping relation between an original HDL hierarchical structure and an original network surface layer substructure; comparing the modified HDL hierarchical structure with the original HDL hierarchical structure, and identifying a target module which is changed; determining a module range, and constructing an HDL sub-design for the module range; performing logic synthesis on each HDL sub-design to generate a local department-level netlist; and integrating the local department-level netlist into the original comprehensive netlist to generate a comprehensive netlist after incremental updating. According to the method, the node mapping relation between the original HDL hierarchical structure and the original net surface layer substructure is established and utilized, so that the cross-boundary optimization behavior of the synthesizer is accurately tracked and compatible, the problem that the original structure is inconsistent with the net list structure is fundamentally solved, and the function correctness of incremental synthesis is ensured.

The invention relates to a demolition method of a reinforced concrete arch bridge substructure, which comprises the following steps: arranging a spandrel transport flatcar on a main arch ring, adopting a cable crane and the spandrel transport flatcar for cooperative construction, and segmenting the arch bridge substructure according to the structurally usable size of a demolition component and the maximum hoisting weight of the cable crane. And the cable crane lifts the cut block sections to the on-arch transport flatcar, and the cut block sections are transferred to arch feet through the on-arch transport flatcar. On one hand, synchronous construction of cutting and transporting can be achieved, the dismantling efficiency is improved, the cable crane does not need to walk with loads, and the construction safety is high, on the other hand, by means of the characteristic that the spandrel transporting flatcar is high in carrying capacity, dismantling of large segments of an arch bridge lower structure can be achieved, and secondary utilization of dismantled components is facilitated.

The invention relates to an anti-collapse performance test system capable of realizing fire and impact real-time coupling. The anti-collapse performance test system comprises a movable drop hammer impact device, a fire heating device, a boundary constraint device and a loading control and data acquisition device, the movable drop hammer impact device is used for applying an impact load at any position to the three-column two-beam type substructure model; the fire heating device is used for heating the substructure model and simulating a real fire scene; the boundary constraint device is used for providing different boundary constraint conditions for the substructure model; and the loading control and data acquisition device is used for controlling the fire heating and drop hammer impact process and acquiring test data. According to the invention, the anti-collapse performance test research of the three-column two-beam type substructure model under the fire hazard and impact real-time coupling can be realized, the influence of boundary constraint on the anti-collapse performance of the substructure model can be considered, the arbitrary change of the impact position of the drop hammer can be realized, and the diversified requirements of the anti-collapse performance test under the multi-disaster coupling can be met.

Provided in the present invention is a double-layered liner structure comprising: a sub-structure; and a coating layer formed on top of the sub-structure.

The invention discloses a three-dimensional reconstruction method and device for a building slope roof. The method comprises the following steps: performing plane detection on point cloud of the building slope roof to obtain a first plane set; deleting two adjacent first planes with conflicts in the first plane set to obtain a plurality of roof substructures; searching a matched optimal preset substructure in a preset substructure library based on the roof substructure; and all the optimal preset substructures are spliced and reconstructed into the three-dimensional slope roof. The geometric structure distortion during three-dimensional reconstruction of the building slope roof can be avoided, the geometric accuracy of component segmentation can be improved, and the quality of a three-dimensional model of the building slope roof is improved.

The invention discloses a multi-purpose loading test device and method for a large-span bridge cable system substructure, and relates to the technical field of bridge cable loading tests. The test device comprises a cable system stress loading system, a cross beam electric lifting locking system and a roller bearing transmission system, wherein the cable system stress loading system comprises a cable system self-balancing reaction frame, a free rotation force boundary subsystem, a free rotation anchoring subsystem and a sling force loading anchoring subsystem. Through physical designs such as self-balancing reaction frames, composite anchor rings and variable cross-section force transmission of the cable system, the force transmission path and the stress capacity of the reaction frames are optimized, the loading capacity of the whole loading system is increased to thousands of tons, and the loading diameter breaks through 500 mm; meanwhile, the free rotation force boundary subsystem and the free rotation anchoring subsystem can freely rotate in the sliding cross beam, and hovering tensioning at any angle can be achieved when the cable substructure is loaded in cooperation with free sliding of the sliding cross beam.

A semiconductor device is provided. The semiconductor device includes a first die, a second die, a first through via, and a second through. The first die includes a first substrate, a first interconnection structure disposed on the first substrate, and a plurality of first bonding substructures over the first interconnect structure. The second die includes a second substrate, a second interconnect structure disposed on the second substrate, and a plurality of second bonding substructures over the second interconnect structure. The plurality of second bonding substructures are bonded to the plurality of first bonding substructures. The first through via and the second through via extend through the second substrate and to the second interconnect structure, wherein the first through via and the second through via are electrically disconnected to each other.

The invention discloses a full-low-pair compact-structure two-rotation parallel-connection type anthropomorphic wrist, and relates to the technical field of parallel-connection type anthropomorphic joints, the full-low-pair compact-structure two-rotation parallel-connection type anthropomorphic wrist comprises an arm support assembly, two active branches, two passive branches and a palm moving platform assembly, the two driving branches are arranged on the two sides of the arm support assembly respectively, the driven branches are arranged at the end of the arm support assembly, the palm moving platform assembly is used for achieving the motion function of simulating the human wrist, and one end of the arm support assembly is connected with the palm moving platform assembly through the driving branches on the two sides; the other end of the arm support assembly is connected with the palm platform assembly through a passive branch. The mechanical arm has the advantages of being simple in structure, convenient to machine and maintain, small in abrasion, high in precision and the like, and the functions of wrist bending, wrist stretching, wrist adduction and wrist abduction movement of the wrist can be achieved.

A substructure in an aircraft cabin includes a drawer-insert accepting portion that defines multiple racks. Each rack may receive an exchangeable drawer insert. A module-accepting portion of the substructure defines an opening that includes a supporting surface, a back wall which extends upward and outward, and a lateral side wall. A module is provided for optionally installing in the module-accepting portion. The module has concealed areas upon installing that include: (i) a base adapted to rest on the supporting surface, (ii) a side wall adapted to abut the lateral side wall, and (iii) a rear wall adapted to abut the back wall. The module has exposed surfaces upon installing that are adapted to match an existing profile of the drawer-insert accepting portion. The module-accepting portion is configured for stowing cargo in a first mode and for receiving the module in a second mode. The module may include a locking assembly.

The invention discloses a preparation method of a heterostructure high-performance metastable beta titanium alloy capable of inducing a deformation mechanism in a multilevel and sequential mode, and belongs to the technical field of metal materials. The method comprises the following steps: firstly, carrying out hot rolling in a beta single-phase region to prepare a blank and crushing coarse grains; substructures such as twin crystals and martensite are introduced through cold rolling; and through short-time annealing in a beta single-phase region, a multi-stage heterogeneous lamellar structure composed of thick equiaxed crystal grains, deformation recovery crystal grains and fine recrystallized crystal grains in an alternating manner is successfully constructed. The characteristic that twin crystals and martensite induce different stresses under different grain sizes is utilized, during deformation, thick equiaxed grains firstly start a deformation mechanism, and then fine recrystallized grains are activated; and in the later period of plastic deformation, the interior of the primary deformation strip further triggers a secondary deformation mechanism. The unique behavior of'grading-time sequence 'activation of a multi-deformation mechanism along with the increase of the dependent variable enables the metastable beta titanium alloy to keep excellent plasticity, and meanwhile, the work hardening rate is remarkably improved.

The invention relates to the technical field of electromagnetic coils, in particular to a Halbach array planar coil structure unit. The Halbach array planar coil structure unit is composed of a first substructure, a second substructure and a third substructure. According to the invention, a planar electromagnetic coil is adopted to form a Halbach array permanent magnetic field effect; the invention discloses a Halbach array permanent magnet structure, and aims to solve the problems that the existing Halbach array permanent magnet structure is difficult to miniaturize and rigid, cannot get rid of the limitation of permanent magnet materials, is difficult to realize a sine distribution magnetic field in a real sense and is low in electromagnetic utilization rate.