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493 results about "Deformation control" patented technology

Turn-milling combined machining deformation control method and system for special-shaped parts

The embodiment of the invention provides a turning and milling combined machining deformation control method and system for a special-shaped part, and is used for the technical field of numerical control machining. The turning and milling combined machining deformation control method for the special-shaped part comprises the steps that structural feature analysis and process association marking are conducted on design data of the special-shaped part to generate a feature association data set, and clamping and process planning are conducted according to a machining constraint database and the feature association data set to generate initial turning and milling combined machining process data; cutting parameter multi-objective optimization solution is carried out on the initial turning-milling combined machining process data to obtain a turning-milling cutting parameter set, and multi-axis linkage analysis and instruction collaborative planning are carried out on the turning-milling cutting parameter set according to the equipment operation feature set to generate a combined machining control instruction set. According to the method, through part key feature recognition and risk marking, combined machining control instructions are generated after layered digital twinning verification in combination with process multi-objective optimization, and the one-time qualified rate of special-shaped part machining and turn-milling combined machining process stability are improved.
Owner:DONGGUAN LONGWIN PRECISION TECH CO LTD

Construction control method and system for underground super-long thick and large concrete structure

The invention relates to the technical field of construction control, in particular to an underground super-long thick and large concrete structure construction control method and system.The method comprises the following steps that through vertical displacement and strain data, trend extraction nodes are analyzed, difference sections are divided, load recognition influence areas are positioned, and structural sections are sequenced according to fluctuation increments; and adjusting cooling, supporting and loading parameters to form an intervention arrangement, and performing year-on-year adjustment based on construction data to generate feedback to complete regulation and control. According to the method, load-deformation dynamic mapping is established through time sequence association of displacement and strain data, a difference section identification mechanism is constructed based on time difference comparison, natural deformation and load surge response are distinguished, fluctuation characteristics of a load surge section are extracted to form response sensitivity ranking, and cooling parameters and a loading sequence are dynamically adjusted in combination with increment comparison. Graded regulation and control are realized, space-time dimensions of construction records and monitoring data are coupled, the crack positioning precision is improved, the predictability of deformation control is enhanced, and the regulation and control redundancy cost is reduced.
Owner:CHINA RAILWAY CONSTR GROUP CO LTD +2

Cast-in-place concrete beam construction method based on deformation control

PendingCN120797545ABridge erection/assemblySupport removalRebar
The invention discloses a cast-in-place concrete beam construction method based on deformation control, and relates to the field of cast-in-place beam construction. S2, foundation treatment; s3, a support is erected and pre-pressed; s4, a formwork is installed; s5, steel bars and prestressed pipelines are installed; s6, concrete construction; and S7, removing the bracket. BIM modeling and an intelligent monitoring system are combined, the foundation treatment range is expanded, an automatic drainage system is arranged, edge settlement and rainwater soaking are effectively avoided, a support system is selected according to needs, anti-sidesway design is strengthened, stress is accurately simulated through graded automatic loading and pre-pressing, reliable deformation data are ensured through double monitoring, pre-camber calculation is scientific, errors are reduced, and the construction efficiency is improved. Formwork, reinforcing steel bars and prestressed pipelines are installed in a standard mode, the structural quality is guaranteed, concrete construction pays attention to temperature control and maintenance, crack reduction and support dismantling are symmetrically carried out in a grading mode, the springback amount is monitored in real time, and construction safety is guaranteed.
Owner:CCCC SHEC FIRST HIGHWAY ENG

Welding deformation prediction system based on simulation analysis

The invention discloses a welding deformation prediction system based on simulation analysis, and relates to the technical field of welding deformation prediction.The welding deformation prediction system comprises the steps that a micro-area unit grid is constructed by obtaining a geometric model of a to-be-welded structure, material heterogeneous distribution and welding path information; based on the grid and material characteristics, establishing a local nonlinear thermal-mechanical coupling simulation model; inputting heat source parameters, calculating an instantaneous temperature field, and constructing a stress evolution function in combination with path change; further deducing initial strain distribution, and generating a local deformation estimation map; error inversion is executed by comparing with historical experimental data, heat source and material parameters are corrected, and a simulation model is updated; and finally, outputting a welding deformation prediction map, and identifying a deformation sensitive region in the microstructure. The method has the high-precision prediction capability and the self-adaptive correction characteristic, and is suitable for deformation control and process optimization of the micro-scale welding structure.
Owner:CHANGCHUN INST OF TECH

Complex soft rock double-layer primary support super-large section tunnel and construction method

The invention relates to a complex soft rock double-layer primary supporting super-large section tunnel and a construction method. The complex soft rock double-layer primary supporting super-large section tunnel comprises a long pipe shed cover arch supporting system, a deformation control strong supporting structure, an anti-disengaging early-warning lining pouring trolley, a temporary inverted arch deformation control structure and a buffering yielding supporting system. The method has the beneficial effects that the curved surface formwork can be rapidly installed on the upper portion of the guide pipe and the lower portion of the steel arch frame, the installation efficiency is high, stability is good, and the construction period is shortened; a long pipe shed and a small guide pipe penetrate through the deformation control strong supporting structure and are driven into a tunnel, grouting is conducted, the overall stability of the supporting structure is enhanced, and the complex soft rock geology is reinforced; concrete pouring is monitored in real time, and the compactness of vault concrete is guaranteed; section steel is clamped in the inverted arch, reinforcing connecting ribs are welded between the section steel in a penetrating mode, surrounding rock collapse is prevented, and tunnel construction safety is guaranteed. And a buffer yielding support device is arranged between the interface and the double-layer arch frame, so that the pressure at the interface of the layered rock and soil stratum is in smooth transition, and the overall balance is improved.
Owner:ZHEJIANG UNIV CITY COLLEGE +1

In-service steel bridge U rib and top plate crack double-face welding repairing method and application thereof

The invention relates to the technical field of bridge engineering, in particular to an in-service steel bridge U rib and top plate crack double-face welding repairing method and application thereof. The method comprises the steps that the position of a crack is determined, a bridge deck pavement layer above the crack is removed, and the surface of a bridge deck slab in a crack area is cleaned; flattening the bridge deck slab on the two sides of the crack, and fixing the flattened bridge deck slab; u-rib internal welding construction process holes are formed; u rib inner welding reinforcing welding and weld leg increasing welding are carried out in an inner corner area where the U rib with the cracks is connected with the top plate; sealing and repairing the construction process hole; carrying out carbon arc air gouging on the crack above the bridge deck slab, and forming a gouging groove in the bridge deck slab; and polishing and multi-layer and multi-pass welding are carried out on the planed groove. The method is fused with an internal welding technology, is a comprehensive repair scheme with root treatment, double reinforcement, controllable deformation and reliable quality, thoroughly overcomes the technical defects of treatment of symptoms, no treatment of root causes, easy secondary damage, poor reliability and the like in the prior art, and remarkably prolongs the service life and the safety performance of the in-service steel bridge.
Owner:WUHAN LIXIN AUTOMATION TECH CO LTD

Assembly type pipe truss tubular joint butt-joint tensioning anti-deformation welding method and assembly type pipe truss tubular joint butt-joint tensioning anti-deformation welding system

The invention relates to the technical field of pipe truss tubular joint welding quality control, in particular to an assembly type pipe truss tubular joint butt-joint tensioning anti-deformation welding method and system which comprises the following steps that S1, an intersecting line is divided in the circumferential direction, and butt-joint references and deformation monitoring point positions of all partitions are calibrated; s2, circumferential distributed tensioning force application point positions are set; s3, a differential pre-tightening force gradient in the circumferential direction of the intersecting line is set, and pre-tensioning force is applied; s4, synchronous cooperation of tensioning actions and deformation control of all the to-be-welded nodes is carried out; s5, welding is conducted in a partitioned and segmented mode, and the pre-tensioning force of the partition corresponding to the intersecting line is dynamically adjusted in the welding process; and S6, after welding, the pre-tensioning force of each subarea is released, and node deformation checking and precision correction are synchronously completed after force release. According to the dynamic pre-tightening force adjusting method for partition differentiation pre-tightening force gradient distribution and welding thermal cycle time sequence matching, the residual stress peak value of the node core area is greatly reduced, and the welding quality and the structural safety of the tubular node are remarkably improved.
Owner:SHANDONG HUIYUAN HANGXIAO STEEL STRUCTURE CO LTD

Anti-falling device integration method and system based on light guide rail coupling and deformation control

The invention relates to an anti-falling device integration method and system based on light guide rail coupling and deformation control, and the method comprises the following steps: carrying out the stress distribution scanning of a light guide rail through a laser interference measurement system, and obtaining a guide rail stress distribution map; based on the guide rail stress distribution map, carrying out dynamic rigidity analysis on the light guide rail to obtain a guide rail rigidity characteristic curve; carrying out coupling calculation on the light guide rail based on the guide rail rigidity characteristic curve to obtain guide rail coupling parameters; based on the guide rail coupling parameters, structural design and layout optimization are conducted on the anti-falling device, and an anti-falling device integration scheme is obtained; and performing virtual assembly and performance simulation on the integration scheme of the anti-falling device to obtain a performance evaluation report of the anti-falling system, thereby solving the technical problem that the integrated design of the anti-falling system generally lacks in-depth analysis on the mechanical characteristics of the guide rail body, so that potential safety hazards are difficult to find and correct in time.
Owner:FOSHAN CHANCHENG DISTRICT GLOBAL ELECTRICAL PORCELAIN ELECTRICAL MATERIALS CO LTD

Curing deformation control method for composite stiffened wallboard

The invention discloses a curing deformation control method for a composite material stiffened wallboard. The curing deformation control method is characterized by comprising the following steps: arranging at least two ribs on a to-be-stiffened surface of the stiffened wallboard; wherein geometric structure parameters of at least one rib are different from those of the other ribs, and bending deformation torque opposite to the other ribs in direction is generated, so that curing deformation and residual stress of the stiffened wallboard meet design requirements. According to the method, curing deformation is controlled on the premise that the pneumatic performance, the bearing performance and the like of the stiffened wall plate are not affected, and a preferable technical approach is provided for accurate manufacturing of the composite material stiffened wall plate.
Owner:NANJING UNIV OF AERONAUTICS & ASTRONAUTICS

Bumper foaming forming deformation control method based on artificial intelligence

The invention relates to the technical field of injection molding control, in particular to a bumper foam molding deformation control method based on artificial intelligence, which comprises the following steps: judging whether initial injection pressure exceeds a normal range required for inhibiting foaming, and adopting subsection control or predicting whether the fluidity of a foaming melt has an out-of-control risk; according to the out-of-control risk value, a corresponding adjusting strategy is adopted in combination with the weight coefficients corresponding to the multiple sprues, and the injection molding adjusting speed is obtained or the initial mold temperature is reduced; according to the injection molding speed and the weight coefficient of the multiple sprues, calculating and predicting whether the tail end of the cavity is subjected to material shortage and uneven foaming, and reflecting whether the adjustment degree of the initial injection molding speed and the mold temperature is reasonable or not through the material shortage risk; and determining the foaming degree of the foaming melt in the inspection mold according to the material shortage risk, or reducing the adjustment amplitude of the initial injection molding speed or the initial mold temperature and adjusting the actual cavity pressure in the mold to compensate the adjustment amplitude. The performance of the bumper is improved through the foaming forming technology.
Owner:CHANGCHUN LIDENGWEI TECH IND

Deformation control device for forklift gantry structure welding

The invention discloses a deformation control device for forklift portal frame structure welding, and relates to the technical field of welding deformation control, the deformation control device comprises a turnover machine, a turnover frame, a moving frame arranged on the turnover frame and a moving mechanism for driving the moving frame to move transversely, and the moving frame is provided with a monitoring module comprising a visual monitor and an infrared thermometer; a plurality of correcting assemblies are arranged at the top end of the overturning frame, each correcting assembly comprises a fixed frame, a sliding frame and an extrusion roller, and the movable frame is provided with an upper electric telescopic cylinder capable of driving a triangular inserting plate to extrude a round rod so as to drive the extrusion rollers to abut against the portal; the fixing frame is provided with a clamping assembly, a linkage plate is driven through a lower electric telescopic cylinder, and a bottom plate and a clamping plate are driven to rigidly fix the portal. The position of the fixing frame can be adjusted through bolts and the limiting grooves. The device can monitor welding deformation in real time and dynamically correct the welding deformation, is adaptive to portals of multiple specifications, improves the welding precision and efficiency, guarantees the quality of the portals, and reduces the labor dependence and the equipment cost.
Owner:XUZHOU XUGONG SPECIAL CONSTR MASCH CO LTD +1

Multi-parameter cooperative deformation control system for deep foundation pit engineering

The invention relates to the technical field of civil engineering automation control, and discloses a deep foundation pit engineering multi-parameter cooperative deformation control system which comprises a state quantization module, a dynamic evolution prediction module, a potential field generation module and a cooperative control module. The state quantization module maps the real-time monitoring data into a quantization state vector representing the overall safety state of the project. And the dynamic evolution prediction module deduces the quantization state vector through an evolution operator based on a system Hamiltonian operator, and predicts a future state. The system further comprises a model self-adaptive correction module, and the Hamiltonian operator of the system is updated by comparing the deviation between the prediction state and the real state. According to the method, the engineering state is quantized, the evolution operator is used for dynamic prediction, the potential field gradient is combined for decentration cooperative control, and accurate, self-adaptive and cooperative closed-loop control over deep foundation pit deformation is achieved.
Owner:张亮

Method for installing super-large broken line glass curtain wall

The invention discloses a super-large broken line glass curtain wall installation method which comprises the following steps: based on curtain wall design parameters, obtaining deformation trends of a curtain wall in different installation stages, and based on the deformation trends, respectively determining deformation control thresholds of a straight line section component and a broken line node component of the curtain wall; adjustable hydraulic supporting tools are arranged in the installation area of the linear segment component and the installation area of the broken line node component respectively, and the adjustable hydraulic supporting tools are used for supporting glass plates of the linear segment component and the broken line node component; and staged installation is carried out according to the time sequence that the linear segment components are installed firstly and then the broken line node components are installed. Deformation trends of different installation stages are obtained in advance based on curtain wall design parameters, differentiated deformation control threshold values are set for the straight line section component and the broken line node component, and refined control over the rigidity sudden change area at the broken line node is achieved; the adjustable hydraulic supporting tool is arranged, and the supporting force is dynamically adjusted through the hydraulic rod.
Owner:CHINA CONSTR SCI & IND CORP LTD

Multifunctional multi-anchor-plate-pile wharf structure suitable for deepwater berth and construction method thereof

The invention discloses a multifunctional multi-anchor plate pile wharf structure suitable for deepwater berth and a construction method thereof, belongs to the technical field of port engineering, and solves the problems that the section of a deepwater berth plate pile wall structure is too large, deformation control is difficult, and the synergism of an anchorage system is poor. The wharf structure comprises a front sheet pile of the front sheet pile wall structure and a front track beam arranged on the front sheet pile. The pull rod system is arranged between a pavement structure and a pool bottom elevation, at least two common layered pull rods and a multifunctional pull rod are sequentially arranged at intervals from bottom to top, one end of each common layered pull rod is connected to a front sheet pile, and one end of each multifunctional pull rod is connected to a front track beam. The anchorage system comprises at least two common layered anchorage bodies and a multifunctional anchorage body, the common layered anchorage bodies are correspondingly connected with the common layered pull rods, the multifunctional anchorage body is composed of a rear track beam and a rear track beam pile, and the rear track beam is connected with the other end of the multifunctional pull rod. The wharf structure is mainly used for deepwater berth wharf construction, multi-anchor support can be provided, and track beam displacement can be coordinated.
Owner:CCCC FHDI ENG

Foundation pit deformation control method based on TabPFN model and supporting axial force servo system

The invention relates to a foundation pit deformation control method based on a TabPFN model and a supporting axial force servo system, and the method comprises the steps: S1, constructing a servo supporting-wall deformation data set through a servo supporting data simulation module according to the servo supporting force of the supporting axial force servo system and wall deformation response data; s2, a deformation prediction agent model module constructs and optimizes a TabPFN model, the deformation prediction agent model rapidly predicts wall deformation caused by foundation pit excavation according to the input servo supporting force, and a wall deformation prediction result is obtained; and S3, a cross-stage multi-objective optimization module constructs a multi-objective optimization framework fused with a differential evolution algorithm, sets a plurality of objectives, inputs the wall deformation prediction result obtained in the step S2 into the multi-objective optimization framework, and collaboratively optimizes wall maximum deformation control and servo force unloading risks to obtain a global optimal combination. The method is a multi-stage and multi-target servo support optimization control method oriented to foundation pit engineering.
Owner:ZHEJIANG UNIV OF TECH

Low-temperature welding and deformation control method for segmented installation of steel box arch bridge in plateau complex environment

The invention relates to the technical field of welding construction, and particularly discloses a low-temperature welding and deformation control method for segmented installation of a steel box arch bridge in a plateau complex environment, which comprises the following steps of: starting preheating and windproof preparation when judging that the plateau complex environment temperature is lower than a first preset temperature threshold value or the environment wind speed is higher than a first preset wind speed threshold value; starting a layered symmetric welding process of the steel box arch bridge by adopting carbon dioxide gas shielded welding until the front requirement of corresponding layered symmetric welding is met, calculating welding deformation based on the three-dimensional coordinates of each steel box arch bridge section acquired in real time, starting corresponding correction measures when the welding deformation exceeds a preset threshold value, and stopping welding when the welding deformation exceeds the preset threshold value. Until a plurality of prefabricated sections of the steel box arch bridge are obtained; starting an arch bridge closure stage for a plurality of prefabricated sections of the steel box arch bridge, and performing cooling and deformation control operation on the arch bridge closure section by using a slow cooling process; low-temperature welding and deformation control of segmented installation of the steel box arch bridge in the plateau complex environment are achieved.
Owner:NO 1 ENG CO LTD OF FHEC OF CCCC

Engine blade welding deformation control method based on pre-deformation and active cooling

The invention discloses an engine blade welding deformation control method based on pre-deformation and active cooling, and relates to the technical field of precision welding manufacturing, and the engine blade welding deformation control method comprises the following steps: collecting multi-source real-time monitoring data in a blade welding process, and inputting the data into a trained welding heat-force coupling dynamic model; performing nonlinear interaction analysis on real-time monitoring data through a built-in deformation semantic analysis unit in the welding heat-force coupling dynamic model, extracting core characteristic parameters, and creating a regulation and control decision system comprising a strain state space, a temperature control action space and a deformation compensation evaluation function by utilizing the strain state mapping set; the method is used for predicting a deformation response value corresponding to each regulation action. According to the method, through a regulation and control decision system comprising a strain state space, a temperature control action space and a deformation compensation evaluation function, deformation response is predicted, an optimal cooling path and a pre-compensation quantity regulation and control scheme are generated, and finally dynamic optimal control over blade welding deformation is achieved.
Owner:NANCHANG HANGKONG UNIVERSITY

Large-section deep-embedded soft rock tunnel combined support system and construction method

The present application relates to a kind of large section deep soft rock tunnel combined support system and construction method, the present application is combined with elastic shell theory and equivalent section method, a steel arch frame-grating combined support mode suitable for deep large section soft rock tunnel is proposed, the support rigidity of simply using steel arch frame or grid steel frame is overcome or supported, the disadvantage of lower in long-term large deformation unfavorable surrounding rock stability and deformation control, solve the problem that the stress of existing support structure is larger, the self-bearing capacity of surrounding rock cannot be fully exerted, cause material waste is serious, the safety factor of support structure is low, difficult to guarantee the stability of tunnel, and provide a simple and practical construction method for tunnel excavation and support.
Owner:SHENYANG UNIVERSITY OF TECHNOLOGY +1

Method for compensating influence of net rack deformation on inner molded surface precision

The invention provides a method for compensating influence of net rack deformation on inner profile precision, and belongs to the technical field of wind tunnel body inner profile construction. A minimum dominating set algorithm is adopted to optimize sensor layout to construct a three-dimensional deformation monitoring network, and a pre-arching compensation optimization function is used to calculate a preset elevation compensation value; in the net rack splicing process, splicing errors are corrected in real time through a structural deformation self-adaptive compensation model, displacement synchronization in the lifting process is ensured through a synchronous hydraulic lifting system and a lifting deformation control algorithm, and after a net rack is in place, the actual geometrical shape of an inner molded surface is obtained through a three-dimensional laser scanning technology. According to the deviation value, comprehensive compensation measures of supporting jig frame elevation adjustment, temporary supporting structure arrangement, follow-up construction load distribution control and net rack node position fine adjustment are adopted for deformation compensation, and the technical problem that due to net rack deformation, the geometric accuracy of the inner profile of the lower hanging cast-in-place slab is difficult to control is solved.
Owner:CHINA CONSTR EIGHT ENG DIV CORP LTD

Expansion capsule for deformation control of underground engineering and use method

The invention discloses an expansion capsule body for deformation control of underground engineering and a using method, and belongs to the technical field of underground engineering supporting. The expansion bag body is made of a high-strength composite material, a plurality of gas chambers or liquid chambers which can be independently controlled are arranged in the expansion bag body, and media are injected through an injection device to enable the expansion bag body to expand, so that uniform supporting force is provided for surrounding stratums. The capsule body is provided with a real-time monitoring sensor, the capsule body and a control system can form a closed loop, the supporting strength is dynamically adjusted according to real-time data of stratum stress deformation, and active and accurate deformation control is achieved. The support has the remarkable advantages that the repeated adjustment capacity of repeated inflation and deflation of gas or liquid is achieved, the requirement for long-term or repeated stratum deformation can be met, and the problems that traditional support response is delayed and an existing bag body cannot be adjusted are solved. The structure is reliable, construction is convenient and fast, the method is particularly suitable for soft and non-uniform geological conditions in projects such as tunnels and foundation pits, and the safety and adaptability of underground projects are effectively improved.
Owner:THE FOURTH ENG CO LTD OF CTCE GRP +4

Method for preparing high-strength titanium alloy workpiece with low cost and short process and application

The invention belongs to the technical field of titanium alloy powder metallurgy, and relates to a low-cost and short-process method for preparing a high-strength titanium alloy workpiece and application. The spherical titanium alloy powder and the non-spherical titanium alloy powder are mixed, so that the compaction and filling density of the mixed powder is improved, densification is more thorough, original particle boundaries can be eliminated or weakened, and adverse effects of impurities or oxides are reduced; further, the problem that the strength is not matched with the plasticity can be avoided by controlling the O content of the spherical and non-spherical titanium alloy powder; by controlling the particle size range of the powder, the problem of multiple original particle boundaries of the fine powder can be avoided, and the risks of slow atomic diffusion and low densification degree of the coarse powder are avoided; the green body is obtained through axial compression before hot isostatic pressing, the initial density of the green body is improved, and the shrinkage amount of the sheath during hot isostatic pressing is reduced, so that the design difficulty of the sheath is reduced, sheath deformation control is facilitated, and the subsequent machining difficulty is reduced.
Owner:SINO EURO MATERIALS TECH OF XIAN CO LTD

Large-deformation flexible inflation channel for assembling and butting lunar cabin sections

The invention relates to the technical field of lunar cabin section assembly and butt joint, and discloses a large-deformation flexible inflation channel for lunar cabin section assembly and butt joint, which comprises a sealed flexible channel and at least two groups of deformation control air bags, the two ends of the sealed flexible channel are respectively connected with a butt joint frame and a butt joint ring, and the deformation control air bags are arranged on the outer side of the sealed flexible channel; the deformation control air bag controls the overall pose and rigidity of the sealed flexible channel through inflation and deflation so as to compensate pose deviation between the butt joint cabin sections and balance internal loads generated by butt joint, the large-deformation flexible inflation channel is assembled on the lunar surface cabin sections in a butt joint mode, and the large-deformation flexible inflation channel can be folded and unfolded on the lunar surface in a lossless, efficient and repeated mode. Multiple properties such as wear resistance and puncture resistance and good air tightness are achieved, and multiple times of connection, separation and reconstruction of the cabin section can be achieved; the air bag can be controlled through deformation to balance the internal pressure load, prevent the cabin section from overturning and the like according to the posture change and the load; and the method also has high reliability and long-term service capability, and adapts to pose changes caused by lunar soil settlement.
Owner:SHANGHAI AEROSPACE SYST ENG INST

A decision method and system for retaining wall deformation control measures based on fault tree analysis

This invention relates to a method and system for decision-making on retaining wall deformation control measures based on fault tree analysis. The method includes the following steps: using foundation pit monitoring data as input parameters for a retaining wall maximum deformation prediction model, and obtaining the predicted maximum deformation value of the retaining wall through the model; acquiring the retaining wall deformation in real time using the foundation pit monitoring data; when the retaining wall deformation exceeds the predicted maximum deformation value, making a deformation control scheme decision based on the foundation pit monitoring data and the retaining wall deformation control measure decision-making model, thereby obtaining the retaining wall deformation control measures. Compared with existing technologies, this invention achieves both the prediction of retaining wall deformation and the decision-making on retaining wall deformation control measures, improving construction efficiency.
Owner:TONGJI UNIV

Bionic self-sensing deformable pipeline robot and using method thereof

The invention discloses a bionic self-sensing deformable pipeline robot and a using method thereof.The bionic self-sensing deformable pipeline robot comprises a robot shell, multiple thorn feet are distributed on the periphery of the robot shell in an array mode, and a vibration module used for driving the thorn feet and an electric heating module used for deformation control over the thorn feet are arranged in the robot shell; a control center, a communication module and an energy module are further arranged in the robot shell. The vibration module, the electric heating module and the communication module are electrically connected with the control center. A multifunctional detection unit is further integrated at the end of the robot shell and electrically connected with the control center and the energy module. According to the robot, the motion adaptability of the robot in a pipeline and the environment sensing capacity of the robot can be improved, and the robot can move in a narrow pipeline space easily.
Owner:WUHAN UNIV

Welding deformation control method and device, electronic equipment and storage medium

The invention belongs to the technical field of welding, and discloses a welding deformation control method and device, electronic equipment and a storage medium. The method comprises the steps that key features in an acceptance target for a target structural part and constraint conditions of the key features are determined; the welding process parameters and the assembly constraint conditions are input into a pre-constructed welding deformation prediction model, and the deformation of the key features after welding is obtained through simulation welding; calibrating the welding deformation prediction model by using the actually measured data so as to enable the prediction error of the deformation to be within a preset error range, and obtaining the calibrated deformation; solving the reverse compensation amount of the key features before welding by taking the constraint condition as a target and the calibrated deformation amount as input; and the reverse compensation amount is converted into a manufacturing instruction, welding is conducted based on the manufacturing instruction, and the target structural part is obtained.
Owner:聚变新能(安徽)有限公司

Double-pipeline laying method capable of welding while constructing

The invention provides a double-pipeline laying method capable of welding while construction, which belongs to the technical field of marine oil and gas engineering and comprises the following steps: step 1, executing a dynamic welding and double-pipeline collaborative laying method; 2, executing a mechanical and deformation control method of the pipeline structure; and step 3, executing the land-sea collaborative operation and partition management and control method. The defect that in the prior art, due to the fact that the working space of a pipe laying ship is relatively narrow, the high-efficiency and high-quality double-pipe welding requirement is difficult to meet through traditional welding equipment and technology is effectively overcome.
Owner:CCCC THIRD HARBOR ENGINEERING CO LTD

Quality control method in processing process of glass fiber sleeve

The invention relates to a quality control method in a processing process of a glass fiber sleeve in the technical field of new materials, which comprises the following steps: aiming at a specific distribution area of material deformation, adjusting local pressure distribution parameters of processing equipment, obtaining surface flatness data of the adjusted material, and determining whether the deformation control capability reaches a preset standard or not; if the line definition degree does not meet the preset requirement, obtaining adjusted line image data by adjusting the cooling measure strength of a shaping link, and determining the improvement amplitude of the line definition degree; according to the improvement amplitude of the line clarity, continuously optimizing cooling parameters of a shaping link to obtain final line durability performance data, and judging whether the line stability meets production requirements or not; and for the fluctuation range of the grain quality between batches, obtaining optimized production data by adjusting comprehensive parameters of processing and shaping links, and determining a final improvement result of the surface quality consistency.
Owner:DONGGUAN HAOYIDA NEW MATERIAL TECH CO LTD

Vibration control device

To absorb vibration when a large earthquake occurs and to suppress the accumulation of damages caused by small earthquakes.SOLUTION: A vibration control device comprises a frame body with at least two sides fixed to other pillars or cross members that make up a building, and a plurality of vibration control members installed in parallel within the frame body. When the building shakes, the frame body deforms and the neighboring vibration control members rub against each other as the frame body deforms, to control vibration. The vibration control device further comprises a deformation restriction mechanism that is provided in the frame body and that restricts deformation of the frame body until the building shakes by a predetermined amount or more.SELECTED DRAWING: Figure 5
Owner:TAISHIN GIKEN FUKUDA CO LTD

A ship section structure welding counter-deformation tooling

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.
Owner:JIANGSU SHUNHONG MARINE TECHNOLOGY CO LTD