103 results about "Deformation control" patented technology

The application discloses a ship segment structure welding reverse deformation tooling and relates to the technical field of ship structure welding, which comprises a supporting seat, and a stabilizing plate is threadedly connected to the top of the supporting seat. The application remarkably improves the adaptability and stability of clamping through the spherical surface self-adapting structure and angle locking design of the positioning and clamping mechanism. The positioning and clamping mechanism adopts a spherical pair connection formed by a movable ball and a movable sleeve, so that the arc-shaped clamping plate can automatically adjust the posture according to the actual inclination angle of the segment end face, the clamping plate is ensured to be completely attached to the end face, and stress concentration or unstable clamping caused by poor contact of the traditional rigid clamping is avoided. Meanwhile, the movable ball surface can be tightly pressed by the fixed threaded column, the relative position of the spherical pair can be reliably locked after the angle is adjusted, the clamping angle change caused by vibration during welding is effectively prevented, the continuous and stable application of the clamping force is ensured, and therefore the precision and reliability of the reverse deformation control are improved.

The invention discloses a soft rock large deformation control method and a rapid support system suitable for TBM tunnel construction method characteristics, the method is implemented based on an anchoring support system composed of a short anchoring support system and a long anchoring support system, and the method is suitable for an open TBM construction scene: in a TBM tunneling process, before a shield is exposed, the shield is not exposed, and the long anchoring support system is not exposed; a short anchoring support system of a full-length anchoring anchor rod structure is timely arranged in the radial direction of the 180-degree area of the upper half ring of the tunnel section through a cutter head edge cutter hole, and the short anchoring support system and a shield cooperate to form an initial deformation control system; after the shield is exposed, according to the deformation degree of the surrounding rock, full-length anchoring anchor rods or pre-stressed anchor cables are adopted in a graded mode, long anchoring supporting systems are arranged at intervals with the short anchoring supporting systems in a spiral mode, then the long anchoring supporting systems are cooperatively borne with steel arches, reinforcing meshes and sprayed concrete, and the long anchoring supporting systems are matched with 70m system sprayed concrete and 1000m secondary lining construction behind a tunnel face. According to the method, the displacement around the hole is effectively controlled, the TBM is prevented from being stuck, and the construction safety and efficiency of the open-type TBM in the soft rock large-deformation geology are improved.

The present application relates to a kind of variable stiffness fiber reinforced programmable soft actuator unit, including flexible matrix and controllable module, flexible matrix is pipeline-like, and controllable module is fixed on the outer layer of flexible matrix distribution;Controllable module uses single-layer module or the multi-layer module arranged inside and outside;Each layer of controllable module is wound by at least one variable stiffness fiber according to certain angle and direction;The control line of connection controllable module is distributed in the inner cavity of flexible matrix, and is connected with external control system;The two ends of the inner cavity of flexible matrix are blocked and leave medium filling and discharging mouth, and fluid medium is filled in the inner cavity;Controllable module state is two kinds of flexible state and rigid state, when carrying out the deformation control of soft actuator unit, by controlling part variable stiffness fiber to be rigid state, another part variable stiffness fiber is flexible state, realizes the deformation control of soft actuator unit.

The application discloses a kind of conversion thick plate design methods, it is related to building engineering technical field, to improve that concrete can be based on in multiaxial compression state compression strength and shear bearing capacity, with shear span ratio as reference index, conversion thick plate section punching, shear checking method is improved;Improved slab strip division method and the method for calculating internal force considering two-way bending moment and torsional moment combination effect is used.Compared with conventional technology, the application fully taps the potential of shear bearing capacity improvement of concrete in multiaxial compression state, realizes the optimization of conversion plate thickness, and the thickness of conversion plate can be optimized by 50% under extreme conditions;The slab strip division of the application is clearer, more reasonable, and the design result is safer with deformation control and reinforcement structure requirements.

The application relates to a blade clamping method and belongs to the technical field of blade manufacturing, which solves one of the problems that the deformation control effect is poor, easy to adhere or the clamping steps are complicated in the existing additive manufacturing blade heat treatment blade clamping process. Specifically, the method comprises the following steps: preparing a tool; pre-adjusting the tool and loading the blade, adjusting the limiting spacing of a lower end positioning mechanism and an upper end positioning mechanism, vertically placing the blade into the tool, assembling a lower end edge plate clamp and an upper end edge plate clamp to clamp the upper and lower end edge plates of the blade, assembling and adjusting a blade profile support assembly, adjusting the length adjusting piece and the angle adjusting piece of the blade profile support assembly, so that the profile pressing head is in close contact with and tightly presses the blade profile, and the clamping of the blade is completed and the blade is heat treated in a furnace. The application realizes good deformation control effect, is not easy to adhere and has simple clamping steps in the additive manufacturing blade heat treatment blade clamping process.

The present invention discloses a flexible robot deformation control and environment adaptation system based on deep learning, which includes a data acquisition unit, a deep learning control unit, and an execution unit. The data acquisition unit includes a medium characteristic perception module and a material state monitoring module, which respectively collect multi-dimensional physical parameters of the environment and the state parameters of the body material; the deep learning control unit processes the parameters through a preset deep learning model and a closed-loop collaborative control logic and generates deformation control instructions; the execution unit drives the robot to complete the target deformation; through the cooperation of multiple modules and the integration of deep learning algorithms, this system solves the problem of insufficient deformation control accuracy under the coupling influence of the environment and material state in the prior art, and realizes the precise deformation and stable adaptation of the flexible robot in a complex environment.

This invention discloses an adjustable gear ring die-forming and quenching mechanism, comprising an inner ring die assembly, an outer ring die assembly, an upper die assembly, and a base plate. The inner ring die assembly is used to fix and press the inner ring of the gear ring; the outer ring die assembly is used to press the outer ring of the gear ring and, in conjunction with the inner ring die assembly, controls the deformation of the gear ring; the upper die assembly is used to press the tooth surface of the opposing gear to control tooth surface deformation; the base plate supports the part, the inner ring die, and the outer ring die. This invention, through the coordinated design of the inner ring die assembly, the outer ring die assembly, and the upper die assembly, achieves positioning and clamping of different gear parts. It can not only adapt to the clamping of parts of various sizes and shapes but also reduces the design and manufacturing of die-forming tooling. The entire die-forming and quenching process is highly automated, simple to operate, and has high control precision, significantly improving the die-forming and quenching efficiency of gear and gear ring parts.

This invention relates to a processing method for ensuring the coaxiality of the end shafts at both ends of a frame structural component. The frame structural component includes a frame beam and end shafts welded to both ends of the frame beam. The processing method includes the following steps: pre-machining the inner holes of the end shafts; marking cross center lines at both ends of the frame beam and on the two end shafts respectively; placing the frame beam and end shafts on a worktable, aligning the cross center lines at the ends of the frame beam with the corresponding cross center lines of the end shafts, and coarsely adjusting the coaxiality accuracy of the end shafts; welding multiple adjustment support plates to both ends of the frame beam, with one side of the adjustment support plate and the outer end face of the frame beam on the same plane; installing wedges between the adjustment support plates and their corresponding end shafts; adjusting the position of the end shafts using the wedges to finely adjust the coaxiality of the end shafts; initially fixing the end shafts by spot welding; micro-deformation controlled welding; and fine-machining the inner holes of the end shafts. This invention can effectively ensure the coaxiality of the end shafts of large structural components and has high repeatability.

The application discloses a shaft-diameter bidirectional limiting quenching die based on phase change heat compensation, belongs to the technical field of gear part quenching heat treatment die, and is designed for the problems of thin-web wave distortion, inner hole shrinkage and end face warping of thin-web gears (especially 9310 steel materials) which are easily caused by the action of organizational stress and thermal stress in the heat treatment process. The pressure quenching die can be axially and radially limited and can compensate temperature. The pressure quenching die is composed of a multi-hole convection enhanced axial outer pressure ring, an axial limiting inner pressure ring, a multi-stage compression radial limiting multi-claw support body, an axial driving variable diameter mandrel, a lower die support seat, a lower die base and a positioning pin assembly. The thin-web gear is heated to quenching temperature and kept for a period of time, the gear is transferred from the heating furnace and sleeved into the pressure quenching die by using a special extraction aid, the press is started, the press and the die jointly act, the thin-web gear is deformed in the shaft-diameter bidirectional direction, and the thin-web gear part meeting the finishing requirement is obtained. The technical problems of controlling the heat treatment deformation of gear parts and single direction limiting are solved.

The present application belongs to the technical field of concrete construction, and particularly relates to a concrete bottom plate water stop method based on stress optimization and deformation control of construction joints, comprising the following steps: step S1, performing cast-in-place pile measurement and lofting at both ends of the construction joint; step S2, after the cast-in-place pile construction is completed and reaches the design strength, chiseling the pile head of the cast-in-place pile, and excavating between the two cast-in-place piles to form a foundation pit groove corresponding to the construction joint; step S3, pouring concrete with the foundation pit groove as a pouring formwork, and the upper surface elevation of the support beam and the lower surface elevation of the concrete bottom plate being at the same level; and step S4, pouring the concrete bottom plate. Through the "pile-beam" rigid support system, the differential settlement between adjacent bottom plates is actively constrained and eliminated, the core problem of shear damage of the water stop in the traditional technology caused by the settlement difference is solved from the root, and a leap from "passive deformation adaptation" to "active deformation control" is realized.

The application discloses a kind of pipe-plate structure welding anti-deformation control device, comprising: bottom plate (1), for providing support reference;Top plate (2), for carrying and positioning the plate structure;Height adjusting assembly (3) is connected between the bottom plate (1) and top plate (2), for adjusting the height of the top plate (2) relative to the bottom plate (1);First adjusting mechanism (4) is set on the bottom plate (1), for the position adjustment and locking of tubular structure;Second adjusting mechanism (5) is set on the top plate (2), for the position adjustment and locking of plate structure.The device disclosed in the application will constrain pipe and plate in a high-rigidity overall frame before welding, and realizes the controllable assembly size.

The application discloses a high-altitude steel structure welding deformation pre-control and stress release construction method, belongs to the technical field of welding construction, and aims to solve the problems of low control precision of high-altitude welding deformation and stress release lag. The method arranges sensors on the structure, calibrates the current dynamic welding twin model by using the trial welding data, divides the weld, plans welding according to the model, and instantly identifies the stress concentration area as the intervention target area, and then implements online stress reduction by the following ultrasonic impact device; then, the model is iteratively updated based on the data collected in the whole process to guide the subsequent segmentation; finally, the target processing is performed on the measured residual stress exceeding area. The method is mainly used for high-altitude steel structure welding construction, and realizes the precise active control of deformation and stress.

This invention discloses a knowledge-enhanced multi-agent decision-making method for welding deformation control in ship assembly subgroups. The method includes: constructing a welding process knowledge graph using a large language model based on welding process data; building a multi-agent collaborative framework for ship assembly subgroups; a process planning agent generating a process plan including welding sequence and welding parameter combinations; a deformation simulation agent performing welding deformation simulation calculations and outputting deformation prediction results; and a central coordinating agent triggering multi-agent collaborative iterative optimization based on the comparison of deformation prediction results with tolerance constraints, outputting the optimal welding process plan that meets deformation control requirements. This invention, by constructing a welding process knowledge graph, structurally represents the welding deformation mechanism, process parameter rules, and historical cases, and achieves knowledge-driven process decision-making based on a multi-agent collaborative mechanism, effectively solving the problems of lagging welding deformation control and reliance on experience in process parameter selection in traditional methods.

Embodiments of the application provide a hollow fan outlet guide vane wall thickness control method and a hollow fan outlet guide vane, and relate to the field of aero-engines. The method aims to improve the problem that the wall thickness size precision is difficult to control, the wall thickness is uneven, and the blade wall thickness consistency is poor during the processing of the aero-engine hollow fan outlet guide vane. The method comprises the following steps: using a turning layering and removing method to process the rough-milled body and panel, reserving a first preset allowance on the back surface of the body away from the pit and keeping a preset tolerance, and reserving a second preset allowance on the position corresponding to the pit of the body on the back surface of the panel; and placing the bonded body and panel into a mold tool for limiting and supporting. The turning layering and removing method reduces the deformation caused by residual stress, controls the tolerance to be the preset tolerance, ensures that the body is well matched with the mold tool, the panel increases the rigidity by increasing the thickness of the corresponding collapse area, and the mold tool is used to ensure that the body and the panel will not collapse and deform during the bonding process.

The application discloses a device for single-deck sectional hoisting deformation control and a mounting method, the device is a combined A-frame structure, comprising support columns, an upper fixed horse plate at a top point, a tensioner, and a lower fixed horse plate and a tension lower horse plate fixed on a deck, the upper and lower ends of the two support columns are movably connected with the upper fixed horse plate and the lower fixed horse plate through fasteners respectively, and the upper and lower ends of the tensioner are fixedly connected with the upper fixed horse plate and the tension lower horse plate respectively. The A-frame structure is arranged on the single deck, the tension of the support column and the tension of the tensioner are generated, and the single-deck structure can be subjected to reverse deformation before sectional hoisting; positive deformation caused by weak structural strength during hoisting of the single-deck structure is avoided, hoisting precision is improved after the positive and reverse deformations are offset; meanwhile, the support column structure, the tensioner and each horse plate on the ship body are connected through bolts, are easy to mount and dismount, can be repeatedly used for many times, and the economy of the device is improved.

A method for deformation control during near-construction in deep urban spaces is proposed, which can effectively control the impact of new structural construction on the surrounding environment and existing structures. Its applicable depth can be extended to depths of 50m. Based on the main structural types in deep urban spaces, namely tunnels and deep shafts, targeted deformation control measures for near-construction are proposed. The full-process deformation design method not only covers the entire life cycle of the project—including resource exploration, design, construction, and operation and maintenance—but also involves all near-construction objects, such as new structures, soil and rock masses, and existing structures, making the method systematic and comprehensive. This design method is applicable to deep spaces, capable of controlling deformation based on the near-construction type of deep structures, and possesses the characteristics of controlling the entire life cycle of near-construction projects and all participating objects. It can be widely applied in near-construction projects in deep urban spaces.

This invention discloses a parameter design method for a water-filled bag dike product, comprising: obtaining the target water-retaining height and water-filled bag parameters; determining the finite element analysis unit type based on the water-filled bag parameters; simulating the stress characteristics of the water-filled bag under water-retaining conditions using a hyperelastic constitutive model based on the finite element analysis unit; performing anti-overturning stability analysis and anti-sliding stability analysis on the water-retaining section of the water-filled bag dike based on the stress characteristics to obtain a comprehensive evaluation; determining the structural parameters of the design section based on the comprehensive evaluation and the target water-retaining height; performing layered discrete topology optimization on the reinforcement layers based on the structural parameters and deformation patterns; and optimizing the amount of reinforcement material according to the reinforcement connection method to obtain the parameter design results of the water-filled bag dike product. This method utilizes finite element analysis, transverse reinforcement, and gradient reinforcement spacing design to control the deformation within the required range and reduce the amount of reinforcement material, balancing deformation control effectiveness with production costs.

This invention discloses a deformation control milling fixture for machining thin-walled parts and its operating method. The milling fixture includes a base, a transmission mechanism, a support mechanism, and a flexible clamp. The base has a guide rail groove, the transmission mechanism is installed in the guide rail groove, the support mechanism is installed on the transmission mechanism, and the flexible clamp is disposed on the support mechanism. The base is used for fixed installation and connection to a machine tool platform, and the base has several threaded holes. The operating method of the milling fixture includes the following steps: S1: fixture assembly; S2: flexible clamp installation; S3: clamping part installation; S4: clamping part holding. In this application, the flexible support principle of springs is used to support the side of the thin-walled part, reducing the clamping deformation of the thin-walled part, reducing the vibration generated during machining, realizing stable milling machining of thin-walled parts of different sizes and shapes, and controlling the deformation of the thin-walled part during milling machining. The height adjustment function of the support mechanism can adapt to clamping parts of different heights.

This utility model discloses a five-axis CNC cutting and trimming positioning fixture for automotive center console panels, comprising a bracket, a lower fixed mold, an upper fixed cover, and a soft fixing device. The lower fixed mold is fixed to the top of the bracket; the upper fixed cover is detachably mounted on the lower fixed mold; and the soft fixing device is disposed between the lower fixed mold and the upper fixed cover. By placing the soft fixing device between the lower fixed mold and the upper fixed cover, the soft fixing device can press against the automotive center console panel, achieving flexible positioning of the panel. This allows the fixture to automatically adapt to panels with different curvatures (R5mm~R800mm), reducing clamping deformation (controlled to ≤0.05mm), effectively improving positioning accuracy, and significantly improving the quality of the cut edges. Simultaneously, it provides better clamping stability, is less prone to vibration during high-speed cutting, and prevents trimming burrs or chipping, thus facilitating cutting and trimming.

This invention discloses a design method for blade wall replacement in deep foundation pits based on stiffness matching and deformation control. The method involves obtaining the equivalent stiffness of the original support and deformation control indices of the retaining structure; establishing a shear-bending coupled stiffness model within the blade wall surface; setting a stiffness matching coefficient, constructing a stiffness matching equation, and solving for the recommended combination of section parameters; establishing a deformation control equation for the retaining structure based on the principle of elastic foundation beams, back-calculating the maximum allowable spacing, and outputting the standardized spacing; establishing a dual-control reinforcement model, introducing a temporary structure importance reduction coefficient, calculating the area of ​​edge longitudinal reinforcement and the reinforcement ratio of horizontally distributed reinforcement, and outputting complete design parameters. This invention achieves rapid design of blade walls based on stiffness matching and deformation control for the first time, improving efficiency by more than 80% compared to traditional finite element trial calculation methods, ensuring continuous deformation of the support system before and after replacement, and controllable failure modes.

This invention provides a pre-warped glass substrate, its manufacturing method, and its applications. The manufacturing method includes: providing a glass substrate; thermoforming the glass substrate to form a pre-bent shape; and forming a stress layer on at least one surface of the pre-bent glass substrate to adjust the curvature of the glass substrate, thereby obtaining a pre-warped glass substrate with a target curvature. This invention, through a process of "physical shaping as the body and chemical strengthening as the application," constructs a dual control mechanism of "pre-deformation-stress compensation," achieving precise design and thermal stability control of the curvature of the glass substrate. This fundamentally eliminates the macroscopic warping problem caused by material CTE mismatch, realizing the functional integration of deformation control and mechanical strengthening. This glass substrate is applicable to a full range of advanced packaging scenarios with stringent warp control requirements, such as 2.5D / 3D ICs, Fan-Out, SiP, and chip stacking.

The application provides a method for determining the supporting time and supporting force of full-face excavation of an underground cavern. The application applies a numerical simulation method to the determination of the supporting time and minimum supporting force of the underground cavern, establishes the deformation control standard and safety early warning index of the underground cavern, combines the longitudinal section deformation curve of the surrounding rock obtained by the numerical method, and quantitatively determines the optimal supporting time from the perspective of the safety early warning control of the surrounding rock, so as to effectively solve the problem that the time node of the surrounding rock loosening and instability is difficult to accurately obtain in the existing method. Meanwhile, the application also provides a method for determining the minimum supporting force and supporting scheme for maintaining the stability of the surrounding rock, which can effectively avoid the engineering risks caused by the subjective understanding deviation of engineers compared with the conventional engineering analogy method, and has better safety and economy.

This invention discloses a method and device for controlling a lumbar support massager in a car seat, relating to the field of automotive parts. The method and device include a deformation control frame, a pneumatic control unit, and a control actuator. The deformation control frame includes arc-shaped bows, deformable steel bars, and a pneumatic massage head. The pneumatic control unit includes an air pump and a multi-way circulating air valve. The method and device use the air pump to drive the control actuator, causing the two sets of arc-shaped bows to move towards the center, changing the convergence of the lumbar support. Simultaneously, it drives the two ends of the arc-shaped bows to bend towards the center, changing the curvature of the lumbar support, thus allowing the entire lumbar support to adapt to users of different body types. Furthermore, the multi-way circulating air valve enables the pneumatic massage head to offer various massage modes.

This invention discloses an experimental device and method for simulating the non-uniform deformation characteristics of a road embankment's horizontal cross-section, belonging to the field of geotechnical testing technology. The system includes a non-uniform deformation control system, an airbag stiffness control component, an embankment filling chamber, a loading system, a confining pressure loading system, a wet-dry cycle system, an image acquisition system, and a data acquisition system. Hydraulic telescopic rods are arranged in a matrix with independent control programs, and the airbag stiffness component achieves dual-parameter control of stiffness and damping. The method involves filling the treatment layer, deploying sensors, setting a target field, coupling non-uniform deformation, dynamic load, and wet-dry cycle conditions, and combining multi-method, multi-scale synchronous monitoring to analyze the control effect of the treatment technology and the coordinated control mechanism of non-uniform deformation. This invention can accurately simulate the characteristic parameters of non-uniform deformation, providing a quantitative theoretical basis for embankment treatment design, and has high engineering application value.

This application discloses a concrete support structure for deep foundation pits in soft soil foundations, relating to the field of concrete support. It includes a waler, with a concrete support member fixed to one side of the waler. A groove is formed on the other side of the waler, and an installation plate is placed inside the groove. A base plate is fixed to the middle of one side of the installation plate, and a jack is fixed to the middle of one side of the base plate. After installation, the jack is extended by lifting it, causing the compression plate to contact the waler. The jack is lifted until it is difficult to lift further, and the limiting columns on both sides provide support, further improving the jack's supporting strength and stability. A steel support servo system is integrated into the concrete support system, expanding the applicability of the support servo. The resulting active deformation control technology for concrete support in soft soil foundation pits can effectively control the displacement of the retaining structure, reduce disturbance to surrounding important structures and pipelines, and meet the requirements for micro-deformation control.