359 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.

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.

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.

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 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 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.

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 reservoir water fluctuation propagation direct numerical simulation method and device in gravity dam anti-seismic analysis, a medium and equipment. According to the method, fluctuation propagation in reservoir water under combined incidence of P waves and SV waves is considered, a reservoir water-foundation site free field is analyzed and calculated on the basis of the fluctuation theory and the potential function theory, then the site free field is converted into node counterforce on fluid and solid boundaries on the basis of a fluid and solid power artificial boundary substructure model, and the reservoir water-foundation site free field is obtained. Applying node counterforce on the reservoir water-foundation artificial boundary, and directly performing numerical simulation on reservoir water-foundation site free field response; based on a static-dynamic artificial boundary conversion method, considering the influence of the static effect of the gravity dam-reservoir water-foundation system on the dynamic effect of the system, and constructing a gravity dam seismic oscillation input model for directly simulating reservoir water fluctuation propagation; according to the method, the anti-seismic analysis precision of the gravity dam is improved, and the limitations of single-wave incidence during reservoir water fluctuation propagation simulation, failure to consider the static effect and the like are overcome.

To provide a method for removing an existing hollow floor slab supported from below by a substructure, which can safely remove the existing hollow floor slab without restricting the space below the existing hollow floor slab and can improve workability. [Solution] The method for removing an existing hollow deck according to the embodiment is a method for removing an existing hollow deck 1 supported by a pier 8, and includes an installation process for attaching anchor brackets 21, 21 to the underside of each of the existing hollow deck 1's piers 8, 8 between a pair of piers 8, 8, attaching an external cable 3 to the anchor brackets 21, 21, and tensioning the external cable 3; a cutting process for cutting the existing hollow deck 1 in the bridge axis direction X after tensioning the external cable 3 to form a first block 71 having the external cable 3; and a removal process for removing the first block 71 using lifting devices 83, 84.

The application discloses an analysis method for key local vibration of fluid-solid coupling bridges based on a substructure method, and relates to the technical field of bridge vibration analysis, and comprises the following steps: dividing a response key area in a bridge structure into substructures, performing static condensation, and obtaining a condensed substructure model; establishing a whole bridge-wave coupling model, and adopting a dynamic explicit solving strategy based on a coupling Euler-Lagrange method; independently solving the substructures by using a dynamic implicit method; coupling the substructures to the whole model by an interface coordination condition, and jointly calculating the whole explicit model and the local implicit model. The analysis method adopts an explicit method to process a strong nonlinear fluid-solid coupling process at a whole level, and establishes a fine substructure model through Guyan static condensation at a local area, so that the analysis precision is effectively improved.

A working machine comprising a substructure, a superstructure, an electric slew motor 38 and a slew brake system 50. The superstructure is rotatable relative to the substructure about a generally vert

The application provides a kind of aircraft servo elastic dynamics model correction method considering operating surface gap, first aircraft structure is divided into substructure, and the aircraft dynamics model containing aileron gap nonlinearity is established according to substructure branch modal;And additional inertia force caused by aircraft operating aileron deflection is introduced in dynamics model, and the aircraft open-loop servo elastic motion equation containing aileron gap nonlinearity under independent generalized coordinate is obtained;According to sensor output equation, rudder transfer function and flight control system equation, the aircraft nonlinear servo elastic closed-loop system model containing aileron gap nonlinearity is established, and the model is corrected based on ground vibration test, rudder frequency response test and gap measurement test result, and the stability of the model is judged based on simulation analysis result and open-loop frequency response test result and is further corrected, which improves the accuracy of gap nonlinearity aircraft aerodynamic servo elastic characteristic evaluation, and is helpful to guide aircraft servo elastic ground test engineering practice.

The application discloses a bridge substructure modeling scheme generation method and device, equipment and medium, relates to the field of bridge engineering technology, and comprises the following steps: obtaining bridge superstructure design input parameters, constructing substructure design task information, generating design parameters by using a large language model reasoning, and then automatically generating a modeling script and performing structure response calculation. According to the calculation result, different modeling strategies are judged and executed, and finally a target modeling scheme meeting the requirements is intelligently generated, the design parameter generation and automatic modeling of the bridge substructure in a non-standard bridge type scene are realized, and the design efficiency and accuracy are improved.

A pier section configured to be assembled into a pier structure for large bodies of water, the pier section including a substructure with a plurality of braces arranged in “X” and “W” configurations, and a plurality of gussets, the plurality of braces configured to provide distributed stress absorption throughout the substructure, and an H-frame connected to the substructure formed from a horizontal support member coupled to vertical support members.

The present application relates to an anchoring assembly, in particular for a fall protection system, and a method for indicating the application of an unexpected force to an anchoring assembly, the anchoring assembly comprising: at least one securing device for connection to at least one substructure; at least one energy absorber having a first end that can be indirectly connected to at least the substructure and / or the fastening device and a second end positioned opposite the first end, the second end comprising at least one first connecting element, wherein the energy absorber extends to a first direction; and at least one housing at least partially surrounding the energy absorber, where the housing comprises and / or is at least indirectly connected to at least one indicator element extending to a direction having at least one directional component perpendicular to the first direction, wherein the indicator element is configured to permanently change at least one of its characteristics when the energy absorber and / or the housing is deflected beyond a predefined first angle from the first direction and / or when a force above a first threshold value acts on the energy absorber and / or the housing.

This invention discloses a method for jacking construction of steel box girders, comprising: ① constructing the substructure of the bridge and erecting an assembly platform; ② assembling the first box unit and jacking it; ③ after the first box unit reaches the predetermined position, installing a longitudinal sliding rail on its top plate; ④ jacking the second box unit on the assembly platform, moving it onto the sliding rail, and pulling it forward to the predetermined position; then, using a positioning device to jack the second box unit laterally, and then lowering it into place; ⑤ following step four, sequentially jacking, shifting, and lowering the remaining box units; ⑥ after all box units are in place, performing transverse system connections; ⑦ constructing the bridge deck system, dismantling all temporary facilities, and completing the entire bridge construction. This invention can reduce the size of the assembly platform, reduce the weight and difficulty of a single jacking operation, and has the advantages of small temporary facility size, high construction efficiency, and low cost of temporary measures.

The application belongs to the technical field of underground structure test, and provides a deep underground structure pseudo-dynamic test method and device, which comprises the following steps: constructing a numerical substructure and a test substructure, and setting an interaction boundary between the numerical substructure and the test substructure; in each loading process, compensating boundary prediction data according to an inertia force compensation coefficient based on the numerical substructure, loading the compensated prediction data to the test substructure, so that the test substructure outputs prediction response data and updates the stiffness of the numerical substructure, determining a target balance force based on the numerical simulation substructure according to the prediction response data, and driving the next loading process with the target balance force, when the respective boundaries of the numerical substructure and the test substructure satisfy displacement coordination and force balance, obtaining the dynamic response law of the soil-structure system. The method can accurately simulate the initial stress state of the deep underground structure, and improves the accuracy of obtaining the mechanical response law of the underground structure.

To provide a bridge bearing replacement method that can be implemented regardless of the material of existing bearing members such as shoes, and that can be implemented easily. [Solution] The method for replacing the bridge bearings 1 includes: a second step ST2 in which at least one of the existing lower bearing members 17 fixed to the substructure 2 and the existing upper bearing members 18 fixed to the superstructure 3 is left in place and the one that is not left in place is removed; a third step ST3 in which a box-shaped member 29 is prepared, which comprises a bottom plate 31, side plates 32 provided on the outer circumference of the bottom plate 31, and a plurality of rib plates 33 welded to the side plates 32 and the bottom plate 31; a fourth step ST4 in which the box-shaped member 29 is positioned to cover the existing bearing members that are left in place; a fifth step ST5 in which a filler material 30 is filled inside the box-shaped member 29; and a sixth step ST6 in which rubber shoes 7 are positioned and fixed.

The invention belongs to the technical field of underground structure tests, and provides an underground structure hybrid test system considering stratum loss and a control method.The system comprises a numerical substructure used for determining boundary node displacement on an interaction boundary corresponding to a current analysis step; the virtual test substructure is used for calculating a boundary node force according to the boundary node displacement and the current gravity, obtaining a node force simulation value by combining a similarity coefficient, and further determining a concentrated force for loading; the test substructure is used for acquiring loading force and displacement data through concentrated force; and the parameter inversion module is used for performing inversion on the loading force and the displacement data to obtain material parameters under the current boundary condition so as to update the numerical model and the boundary node force of the test substructure and further determine the target unbalanced force, so that the interaction boundary between the structures meets displacement coordination and force balance. According to the system, refined simulation of a multi-field coupling mechanism under complex geological conditions is realized, and the stratum loss simulation accuracy is improved.

The invention relates to an optically variable security element having a motif area, wherein an optically variable motif having a motif shape is visible to an observer in the motif area at at least one first viewing angle, and the optically variable motif comprises a substructure which is visible to an observer, wherein the substructure is a submotif which is visible to an observer having a submotif shape, the submotifs have the same submotif shape, and the submotif shape corresponds to the motif shape.

This invention discloses a parametric sketch-driven method for the deconstruction and reassembly assembly design of metal tubular furniture, belonging to the field of digital furniture design and intelligent manufacturing technology. The method includes: decoupling the furniture structure into multiple sheet-like substructures and establishing a parametric template library; extracting primitive data and determining connection types by identifying the geometric and topological features of user-defined 2D sketches; automatically matching and driving the templates to generate 3D substructures, completing the process design of connection details; calculating assembly positioning benchmarks and contact areas based on the spatial relationships between sketches, generating connection features to achieve automatic assembly; and finally, performing dimensional verification and closed-loop updates on the assembly. The entire process requires no manual intervention and can output a production-ready digital model and processing data within minutes, significantly improving the efficiency, accuracy, and manufacturability of customized metal tubular furniture design.

The utility model relates to the technical field of mold manufacturing, and discloses a thin-wall mold core structure which comprises a mold core body, the surface of the mold core body is connected with a sleeve shell in a sliding mode, and the bottom of the sleeve shell is fixedly connected with a bottom plate. According to the thin-wall mold core structure, the surface of the mold core body can be sleeved with the sleeve shell, so that a gap is formed between the mold core body and the sleeve shell, and cooling liquid can flow into the gap between the mold core body and the sleeve shell through the water inlet pipe and then is discharged through the water outlet pipe through cooperative use of the water outlet pipe and the water inlet pipe; according to the mold core, high temperature in the mold core body can be absorbed and discharged by circulating cooling liquid, the cooling speed of the mold core body is increased, cooling and shaping of a formed part in the mold core body are better facilitated, meanwhile, through threaded connection of the bottom plate, the nut block and the mold core body, the sleeve shell can be detached and taken out, the sleeve shell can be conveniently cleaned, and the neatness of the sleeve shell is guaranteed; and cooling liquid blockage is prevented.

A platform (1) has a base (2) and a support element (3) mounted so that it is simultaneously translationally and rotationally movable relative to the base (2), wherein the base (2) and the support element (3) have mutually facing bearing areas (21, 33) with guide tracks (22, 34) and / or guide elements (4), such that the support element (3) is rotatable relative to the base (2) in one direction of rotation (R1, R2) and movable in a predetermined translational direction (A1, A2), wherein the guide tracks (22, 34) are shaped such that the support element (3) can be moved from a starting position via an intermediate position, in which the support element (3) is rotated relative to the base (2) in one direction of rotation (R1, R2) and displaced in the translational direction (A1, A2), by further rotation in one direction of rotation (R1, R2) and displacement against the translational direction (A1, A2).A2) is movable into an end position identical to the initial position or into an end position offset by a distance in a translational direction (x), wherein at least one sliding or rolling element (5) for movable support on a floor or functional floor (10) is attached to the support element (3), wherein a substructure (7) attachable to a floor (10) or a functional floor with at least two longitudinal profiles (72, 73) attachable to the floor (10) or the functional floor is arranged on a bottom side (24) of the base (2) facing away from the support element (3).

This invention discloses a method for the in-situ integrated synchronous construction and erection of multiple precast beams, comprising seven sequentially connected steps: integrated pretreatment of the bridge site, synchronous construction of the substructure and integrated construction platform foundation, synchronous installation of multiple sets of integrated construction platforms, synchronous in-situ precasting of multiple precast beams, simultaneous curing and tensioning under the same conditions, coordinated synchronous lateral movement and lowering of multiple beams, and integrated finishing construction. This invention transforms the entire process of precasting, tensioning, and erection of multiple precast beams from the traditional sequential construction to a fully parallel and synchronous construction process. It eliminates the need for off-site precasting, beam transport by transport vehicles, and bridge erection machine operations, perfectly adapting to vehicular overpass projects with limited space. It significantly shortens the construction period, ensures high consistency in the construction quality and erection accuracy of multiple beams from the source, significantly reduces construction safety risks and project costs, and provides a coherent and controllable process with strong practical applicability in engineering projects.

The application belongs to the field of aluminum-based composite materials, and particularly relates to a kind of additive manufacturing high-performance aluminum-titanium metal composite material and a preparation method thereof. Micron-sized aluminum alloy powder and micron-sized titanium alloy powder are mixed uniformly by ultrasonic-assisted water bath stirring method for laser powder bed melting, wherein the mass fraction of the aluminum alloy powder and the titanium alloy powder is 85-98 wt.% and 2-15 wt.% respectively. The micron-sized titanium alloy powder is used to promote the formation of multi-scale layered structure of equiaxed crystal, core-shell structure, cellular substructure and nano precipitate phase, so as to simultaneously improve the strength and plasticity of the material and realize isotropic mechanical properties. The aluminum alloy-titanium metal composite material for additive manufacturing disclosed by the application has simple and easy-to-control process and low cost, and can be suitable for large-scale production.

The stator structure of the motor comprises a plurality of block iron cores which are spliced together, each block iron core comprises a first vertical arm structure, a second vertical arm structure and a cross arm structure, the first vertical arm structure and the second vertical arm structure are oppositely arranged and extend along the vertical direction, and the cross arm structure is arranged on the first vertical arm structure and the second vertical arm structure. The transverse arm structure extends from the end part of the first vertical arm structure to the end part of the second vertical arm structure along the transverse direction, the first vertical arm structure and the second vertical arm structure are located at the same side of the transverse arm structure, and the first vertical arm structure and the second vertical arm structure are arranged at intervals along the transverse direction to form a tooth groove of the stator structure; the width of the first vertical arm structure is the same as that of the second vertical arm structure in the transverse direction; wherein a splicing gap is formed when two adjacent block iron cores are spliced together, the first vertical arm structure and the second vertical arm structure of the two adjacent block iron cores jointly form a tooth part structure of the stator structure, and the splicing gap is located in the middle of the tooth part structure.

To provide a foundation structure which enables a worker to properly adjust the level of a base plate.MEANS: A foundation structure includes a fixed plate arranged on leveling concrete, a level adjustment bolt extending upward from the fixed plate, an anchor plate provided on the level adjustment bolt so as to be movable in a vertical direction, an anchor bolt extending upward from the anchor plate, and a base plate supported on an upper part of the anchor bolt.SELECTED DRAWING: Figure 2