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48results about How to "Improve safety and reliability performance" patented technology

A method and system for determining participation of an electric vehicle in frequency regulation of a power grid based on a double-layer optimization model

The application provides a kind of based on double-layer optimization model electric vehicle participates in power grid frequency modulation determination method and system, it is related to smart grid and electric vehicle technical field.The method comprises: based on the historical charging cost data of electric vehicle and the historical subsidy income data of participating in power grid frequency modulation, establishes first layer optimization model, determines the comprehensive income value of to be evaluated object, based on the time-of-use electricity price introduced random noise, the charging probability of to be evaluated object in different period is calculated, further determines the frequency modulation willingness evaluation value of to be evaluated object;Power distribution network frequency fluctuation model is constructed to be used to establish second layer optimization model, to quantify the evaluation based on the total load of power grid caused by to be evaluated object power grid fluctuation amount;According to optimization strategy, first layer optimization model and second layer optimization model are double-layer iteration optimization, and the frequency modulation participation evaluation value after optimization is obtained, to determine the frequency modulation participation evaluation value of to be evaluated object.The application realizes the charging cost of user side is lower while improving the stability of power grid.
Owner:NORTH CHINA ELECTRIC POWER UNIV

Blockchain-based multi-party privacy computation method, device and system

The application discloses a kind of multi-party privacy calculation method, device and system based on blockchain, and the method steps include: in task execution phase, task executor receives ciphertext proof sent by trusted third party, ciphertext proof is generated according to the data fingerprint generated by task executor and task publisher generated task ID, and chain is uploaded with task ID and ciphertext proof;In task result verification phase, task executor provides random sampling data to task publisher, to challenge randomly the data used in execution process, verify whether the execution data of task executor contains sampling data, in random challenge, the data fingerprint of the data participating in task by sampling in task publisher is sent to trusted third party with task ID, after obtaining ciphertext proof from blockchain, verify using challenge key to decrypt ciphertext proof.The application has the advantages of simple implementation method, high safety and reliability, verifiable correctness of task execution result, verifiable task work proof and the like.
Owner:HUNAN TIAN HE GUO YUN TECH CO LTD

System control method and device based on power system, storage medium and computer device

The application discloses a system control method and device based on a power system, a storage medium and a computer device, and relates to the technical field of power system control. The method comprises the following steps: obtaining target state information of the power system. The target state information is system load or system frequency. Then, the target state information is updated according to a target update model. The target update model comprises a target update strategy, and the target update strategy is used for enabling the target update model to identify and cope with multi-source disturbances, wherein the multi-source disturbances comprise at least two of engine mechanical disturbances, load disturbances and power grid power disturbances. Then, the power system is controlled to operate according to the updated target state information. The embodiment of the application improves the anti-disturbance capability of the power system, thereby guaranteeing the safe and reliable operation of the power system.
Owner:NORTHEASTERN UNIV CHINA

A new energy mine truck thrust rod fatigue life prediction method

ActiveCN121388466Bachieve sparsificationAchieve uncertainty quantificationMachine part testingMathematical modelsPersonalizationNew energy
The application provides a new energy mine truck thrust rod fatigue life prediction method, belonging to the field of federated learning and application technology. First, a multi-mine area multi-source fatigue feature dataset is constructed. Then, a double-layer neural network structure based on Bayesian modeling is designed, including a sparse prior generation module, a thrust rod time series feature encoding module and a thrust rod residual life Bayesian prediction module, to realize model parameter sparsification, time series feature expression and uncertainty quantification. Further, a graph structure based federated training and information aggregation mechanism is adopted, combined with global aggregation and local graph modeling strategy, to realize knowledge sharing and personalized adaptation between different mine areas. Finally, an online fine-tuning mechanism based on uncertainty driving is proposed, realizing rapid adaptive optimization of the global model in the new mine area environment through Bayesian inference. The method can significantly improve the accuracy, robustness and cross-domain generalization ability of thrust rod life prediction while ensuring data privacy.
Owner:PENGLAI TIANRI POLYURETHANE CO LTD

Drawing type wiring low-voltage cabinet

The utility model relates to a drawing type wiring low-voltage cabinet, which comprises a cabinet body divided into a drawer chamber, a secondary cable chamber, a cable incoming and outgoing line chamber and a bus chamber, the secondary cable chamber is arranged on the right side of the drawer chamber, and the cable incoming and outgoing line chamber is arranged on the rear side of the drawer chamber and the secondary cable chamber. The bus chamber is arranged on the upper sides of the drawer chamber, the secondary cable chamber and the cable inlet and outlet chamber, a terminal strip capable of sliding back and forth is installed in the secondary cable chamber through a guide rail mechanism, the guide rail mechanism comprises guide pieces fixed on the cabinet body at intervals up and down, the guide pieces are provided with sliding pieces matched with the guide pieces, and the terminal strip is fixed at the front ends of the sliding pieces. A terminal side wire harness connected with the terminal strip is correspondingly fixed on the guide piece and the sliding piece through two fixing points, the terminal side wire harness between the two fixing points forms a U shape, and the length of the terminal side wire harness between the two fixing points is greater than or equal to the maximum sliding distance of the sliding piece relative to the guide piece. The LED lamp has the advantages of simple structure, convenience in maintenance and good heat dissipation effect.
Owner:双杰电气合肥有限公司

Connection terminal for a fuse and fuse having the same

ActiveCN224595473UAvoid damage and deformationImprove safety and reliability performance
The utility model relates to a terminal for fuse and fuse with the terminal, the fuse still includes the fuse body, the terminal includes: the terminal main part, it includes by the first conductive material integral manufacture's fuse connecting part and cable connecting part, wherein the fuse connecting part is adjacent the fuse arrangement, the cable connecting part is arranged in the side of the fuse connecting part away from the fuse and is equipped with the terminal hole for connecting with external cable, the conductive layer is made by the second conductive material of the conductivity greater than the first conductive material and is welded to the side of the fuse connecting part facing the fuse, to make the fuse can be connected to the fuse connecting part via the conductive layer, the reinforcing structure is made by the third conductive material of the hardness greater than the first conductive material and surrounds the circumferential extension of the terminal hole, to make the reinforcing structure cover the hole wall of the terminal hole.
Owner:COOPER XIAN FUSE

Automatic air supply system for hot isostatic pressing air source

The invention relates to an automatic air supply system for a hot isostatic pressing air source. A one-key starting instruction module, a liquid argon leading-out control module, a low-temperature liquid pump starting module, a vaporizer vaporization control module, a pressure monitoring and valve group switching module, a pressurization mode adaptation module, a continuous gas production guarantee module, a storage tank group management module, a hot isostatic pressing machine PLC control module and a safety protection module are arranged in the gas source PLC control cabinet; through cooperative work of all the modules, full-process automatic control of liquid argon exporting, pre-cooling, vaporization, storage in the storage tank, equipment gas supply and mode switching is achieved, manual intervention is not needed, the technical defects of an existing gas supply mode are effectively overcome, and the gas supply efficiency, stability, safety and reliability of the hot isostatic pressure gas source are improved.
Owner:HANGFA YOUCAI (ZHENJIANG) SUPERALLOY CO LTD

A method and system for intelligent optimization of the cold-end system of a coal-fired power unit considering electricity prices

PendingCN122670053AReflect actual operating capabilitiesImprove running stability
This invention discloses an intelligent optimization method and system for the cold-end system of a coal-fired power unit considering electricity prices, relating to the field of thermal power generation technology. The method includes the following steps: acquiring real-time node electricity prices, predicted electricity price sequences, and operating parameters of the coal-fired power unit, including generator output power, real-time back pressure, circulating water temperature, circulating water pump operating frequency, and cooling fan speed. This invention constructs a dynamic safe operating range through a turbine back pressure safety sub-model, a circulating water pump safety sub-model, and a cold-end thermal stress safety sub-model, improving the operational safety and adaptability of the cold-end system. Through dual-objective Pareto optimization of economics and energy consumption, and adaptive screening of the coal-to-electricity value ratio, it achieves optimal operating decisions under different electricity price environments. Simultaneously, it incorporates equipment lifespan loss costs into the optimization process and, in conjunction with safety constraints limiting frequent adjustments, effectively reduces equipment wear and improves the overall economic efficiency, energy saving, and operational stability of the coal-fired power unit throughout its lifecycle.
Owner:润电能源科学技术有限公司

Integrated welded bellows regulating valve

This utility model relates to the field of bellows control valve technology, and in particular to an integrated welded bellows control valve, comprising a valve body with a flow channel, a matching valve seat and valve core on the flow channel, a valve stem on the valve core, a bellows, an upper valve cover support ring, and a connecting pipe. One end of the connecting pipe is welded to the valve body, and the other end of the connecting pipe is fixedly connected to the upper valve cover. The support ring is sealed between the other end of the connecting pipe and the upper valve cover. In use, this integrated welded bellows control valve replaces the original separate bellows seal with a seal between the integrated welded bellows connecting pipe and the upper valve cover, a seal between the upper valve cover and the valve stem, and a welded seal between the connecting pipe and the valve body. This multi-seal structure greatly reduces the possibility of media leakage. Simultaneously, the anti-rotation mechanism between the valve core and the valve body further stabilizes the valve structure, thereby improving the valve's sealing performance and safety reliability.
Owner:WUZHONG INSTR

A battery case and a battery

ActiveCN224721071Uimprove distributionSuppress free deformation
The utility model provides a kind of battery shell and battery, wherein, battery shell includes shell body, the explosion vent hole being opened in shell body, and the explosion vent hole is sealed with the explosion vent hole cooperation and explosion vent piece, explosion vent piece is fixed in shell body by the welding layer formed by welding track, welding layer includes first track and second track, wherein first track is long side section, starting weld point is set on first track, can provide linear heat transfer path to avoid heat accumulation, heat two-way symmetrical diffusion can also significantly reduce thermal stress gradient, and provide enough power buffer space, starting weld point is also away from geometric mutation area to reduce stress concentration coefficient, by reconstructing starting weld point position, avoid the risk that explosion vent piece welding appears warping, welds and leaks, solve the structural failure problem of thin-walled shell explosion valve, synergistically realize power battery energy density promotion and safety performance promotion.
Owner:ENVISION DYNAMICS TECH (JIANGSU) CO LTD +1

A near space unmanned aerial vehicle launching method and system

PendingCN122653231AImprove delivery accuracyImprove safety and reliability performance
The application relates to the field of unmanned aerial vehicle launching, and proposes a near-space unmanned aerial vehicle launching method and system, which comprises the following steps: constructing an environment prediction and state estimation model, setting initial parameters of an ant colony algorithm, taking a starting position and a target position of an unmanned aerial vehicle as initial inputs of an optimization problem, and optimizing a flight track of the unmanned aerial vehicle based on the ant colony algorithm; dynamically adjusting pheromone update rules and transition probabilities in the ant colony algorithm through an environment prediction result, performing multi-objective optimization calculation on flight safety, energy consumption, task completion time and economic cost, and outputting a flight track of the unmanned aerial vehicle and a launching scheme of a carrier vehicle; launching the unmanned aerial vehicle to a specified position in the near space based on the launching scheme, and analyzing real-time environment data obtained in the flight process by using the environment prediction and state estimation model, so that the flight track of the unmanned aerial vehicle can be adjusted in real time. The application improves launching precision and task adaptability of the near-space unmanned aerial vehicle in a complex environment.
Owner:HUAZHONG UNIV OF SCI & TECH

Battery pack and electric device

PendingCN122677627AGuaranteed structural rigidityGuaranteed impact resistance
This application relates to the field of batteries, and provides a battery pack and an electrical device. The battery pack includes a battery assembly and a housing. The battery assembly includes at least one battery cell, and the battery cell includes a housing and a cell disposed inside the housing. An explosion-proof valve is provided on the setting surface of the housing. The gas production of a single battery cell during thermal runaway is Q(1)L. An exhaust chamber corresponding to and connected to the explosion-proof valve is provided inside the housing. The volume of the exhaust chamber is V(1)L, and V(1) / Q(1) satisfies 1.11≤V(1) / Q(1)≤5.29. The housing includes a first plate fixedly connected to the setting surface of the battery assembly and a second plate spaced apart from the first plate. The first plate is disposed between the setting surface and the second plate. The first plate and the second plate are parallel to the setting surface of the battery assembly. An exhaust chamber is formed between the first plate and the second plate. The exhaust chamber is connected to the explosion-proof valve through a connecting channel penetrating the first plate.
Owner:CALB GROUP CO LTD

Double-layer arc extinguishing flat plate type fuse

PendingCN121964446Aprevent burstImprove breaking capacityEmergency protective devicesHemt circuitsElectric current flow
The invention relates to the technical field of circuit protection devices, in particular to a double-layer arc-extinguishing flat plate type fuse which comprises an insulating shell, a melt and a composite arc-extinguishing core, the melt is provided with a center fusing area and a terminal area which are integrally formed, and the composite arc-extinguishing core is arranged in the insulating shell and surrounds the center fusing area. A first arc extinguishing cavity for accommodating a gas production material is formed in the first arc extinguishing chamber to form a first arc extinguishing layer; and a second arc extinguishing cavity filled with an arc extinguishing medium is formed between the insulating shell and the composite arc extinguishing core body to form a second arc extinguishing layer. According to the invention, during breaking, high-pressure airflow can be quickly generated to suppress electric arcs in a segmented manner, and continuous cooling and insulation are realized by an external medium, so that the arcing time is greatly shortened, the internal pressure is effectively controlled, the shell is prevented from bursting, and the breaking capacity, safety and reliability of high-voltage and large-current faults are remarkably improved.
Owner:SHANGHAI CHANGYUAN WAYON CIRCUIT PROTECTION CO LTD

Floating ultraviolet generator

InactiveEP4397362A4Improve safety and reliability performanceavoid safety accidentsBathing devicesLight therapy
A floating ultraviolet irradiator is disclosed. The floating ultraviolet irradiator according to the present invention comprises: a lower case having, at the center of a protruding part protruding downward, an opening of a predetermined area; an upper cover coupled to the lower case so as to partition a mounting space therebetween disconnected from the outside; and a substrate provided in the mounting space disconnected from the outside and having a UV light source mounted therein, and can float on water by means of air filled in the mounting space disconnected from the outside, wherein a UV transmission window is coupled to the opening of the lower case in a sealed state, a UV light source for transmitting UV light to the UV transmission window is mounted in the center of the lower side of the substrate at a position corresponding to that of the UV transmission window, and at least two water detectors for detecting contact with water are mounted along the periphery of the substrate in contact with the lower case.
Owner:IODD CO LTD

High-power charging gun with air-cooling heat dissipation structure

The invention relates to the field of charging guns, in particular to a high-power charging gun with an air cooling heat dissipation structure, which comprises a gun shell and a gun head, and is characterized in that the gun head is mounted on one side of the gun shell, and a cable is arranged on one side of the gun shell and is connected with a charging pile. The charging gun effectively solves the problems that an existing charging gun is high in pin temperature rise, low in charging efficiency and high in high-power cost, high-efficiency pin heat conduction is achieved through the pouring sealant, the ceramic sleeve and the cooling fin sleeve, natural air cooling circulation is formed through gun shell cooling air holes, the pin working temperature is remarkably reduced, a conventional cable of the same specification can bear larger current, and the service life of the charging gun is prolonged. The cost is reduced; pure physical air cooling is free of liquid cooling aging risks, and maintenance is convenient. Meanwhile, through double sealing and a multi-stage filtering structure, water and dust are prevented, a heat dissipation channel is prevented from being blocked, the ceramic sleeve fundamentally avoids the risks of electric leakage and poor insulation, the equipment reliability is greatly improved, the device is adaptive to the outdoor complex environment, the national standard requirement is met, and the application range is wide.
Owner:GUANGDONG WEILIAN TECHNOLOGY CO LTD

A cyclone separator for a biomass circulating fluidized bed boiler

ActiveCN224284596Ulow sliding resistanceEnsure flow continuityFluidized bed combustionApparatus for fluidised bed combustionGas solidFlue gas
This utility model discloses a cyclone separator for a biomass circulating fluidized bed boiler, comprising a flue gas inlet section, a gas-solid two-phase separation section connected to the flue gas inlet section, a flue gas outlet section connected to the top and bottom of the gas-solid two-phase separation section respectively, and a solid return section. The solid return section includes multiple coaxially connected and fixedly connected solid return straight sections and multiple solid return conical sections, which are arranged at intervals in the vertical direction. Flue gas flows in from the flue gas inlet section, rotates along the inner wall of the gas-solid two-phase separation section, and achieves gas-solid two-phase separation through centrifugal force. The gas phase flows out through the flue gas outlet section, and the solid phase is returned from top to bottom through the solid return section. Through segmented and optimized solid return path and gas-solid separation flow field, the intermittent blockage problem caused by alkali metal adhesion in traditional cyclone separators is solved, avoiding forced boiler load reduction or shutdown. It is especially suitable for biomass combustion scenarios with complex fuel types and variable ash composition.
Owner:WUHAN WUGUO ENERGY ENG CO LTD

Intelligent panel grouping method and system based on machine learning

ActiveCN121526464BAutomate decision-makingImplement dynamic correctionBiological modelsAviationAlgorithm
This application provides a machine learning-based intelligent cargo loading method and system, applied in the fields of artificial intelligence and air logistics technology. By collecting and processing multi-dimensional feature data of cargo, feature vectors and physical constraint parameters are constructed. With the help of a pre-trained deep learning model group, the stackability, fragility, and center of gravity stability of cargo after stacking are intelligently predicted. By combining the prediction results and constraint parameters, a multi-objective optimization model is established and the optimal stacking scheme that takes into account space, safety, and efficiency is solved. During execution, a real-time safety verification and dynamic backtracking mechanism are introduced to ensure the stability and reliability of the loading process. Through an online learning mechanism, actual operation data is accumulated to continuously update model parameters and optimization weights, realizing the system's self-evolution and closed-loop optimization. This achieves a fundamental transformation from unreplicable personal experience to sustainable evolution of system intelligence, significantly improving the intelligence level, safety reliability, and long-term operational efficiency of air cargo loading.
Owner:NEZHA SMART TECHNOLOGY (SHANGHAI) CO LTD

A new energy battery cooler

ActiveCN121332029Bhigh trafficincrease temperature differenceThermodynamicsMicrogrid
This invention relates to a new energy battery cooler, belonging to the field of new energy vehicle battery cooling technology. The new energy battery cooler includes a battery base, a controller, a protective shell, and a battery pack. The controller and protective shell are fixedly installed on the top of the battery base, and the battery pack is disposed inside the protective shell. A cooling flow guiding mechanism is included, comprising a contact shell, a cooling component, and a heat-conducting component. The contact shell is fixedly installed on the outside of the battery pack. By setting a cooling flow guiding mechanism on the outside of the battery pack, a passive adaptive flow guiding function not found in traditional liquid cooling structures is achieved. A composite layer of shape memory alloy memory valves and phase change microgrids is introduced into the cooling channel. When the battery pack locally heats up, the phase change layer absorbs and diffuses heat, while the memory valves deform to expand the channel cross-section, causing the coolant to automatically increase flow to the hot spot area to enhance heat transfer. This dynamically adjusts the local cooling capacity and significantly improves temperature uniformity.
Owner:GUANGDONG HENGTAO NEW ENERGY TECHNOLOGY CO LTD

Fused salt heat storage and release system and method for power plant

The invention belongs to the technical field of power plant fused salt heat storage and heat release, and particularly relates to a power plant fused salt heat storage and heat release system and method. The heat transfer pipes are each of a spiral structure and internally provided with turbulent flow protrusions, and the heat preservation units are each of an aluminum silicate fiber and polyurethane foam compound structure. The control unit comprises a controller and a double-monitoring unit and can adjust the pump set and the valve in a linkage mode. The method comprises the steps of heat storage preparation, heat storage, heat release preparation, heat release and system adjustment, data are collected through the monitoring unit, the controller dynamically adapts to temperature, pressure and power plant load changes, and fused salt solidification and abnormal working conditions are prevented and controlled. The problems that a traditional device is low in heat transfer efficiency, large in heat loss and poor in stability are solved, the heat exchange and energy storage efficiency is improved, scaling is reduced, different operation scenes are adapted, and efficient and stable operation of the system is guaranteed.
Owner:SHANDONG ELECTRIC POWER ENG CONSULTING INST CORP

A double-layer explosion-proof electric heating tube and its manufacturing method

This invention provides a double-layer explosion-proof electric heating tube and its manufacturing method, comprising: a double-layer tube body, the double-layer tube body including an inner tube body and an outer tube body arranged coaxially, a first chamber formed within the inner tube body, and a second chamber formed by a gap between the inner tube body and the outer tube body; a heating wire disposed within the first chamber; end caps fixed at both ends of the double-layer tube body, forming a sealed cavity between the first chamber and the second chamber; a cooling needle disposed on the end caps and electrically connected to the heating wire; and filler made of an insulating and thermally conductive material, filling the first chamber and the second chamber. This double-layer explosion-proof electric heating tube significantly improves the safety, reliability, and service life of the heating tube through structural redundancy, making it particularly suitable for applications with high requirements for explosion protection and insulation.
Owner:NINGBO JUNQI ELECTRIC CO LTD

A peltier temperature control module

ActiveCN224698156UImprove loss efficiencyadaptable
The utility model belongs to temperature control device technical field belongs to a peltier temperature control module, including substrate, square hole slot piece, peltier unit, copper base heat conduction sheet, temperature sensor, heat insulating layer and radiating component, square hole slot piece is embedded to one side frame of substrate, peltier unit and copper base heat conduction sheet are closely bonded through heat conduction silicone grease layer, heat insulating layer is embedded to square hole slot piece middle part, peltier unit is embedded in heat insulating layer center recess, temperature sensor and copper base heat conduction sheet pressure -sintered connection, temperature sensor and peltier unit electric connection, radiating component is connected in the other side of substrate and is contacted with peltier unit, is used for radiating cooling. The utility model can solve the low heat conduction efficiency, temperature response slow, control precision is insufficient and so on in prior art.
Owner:SUZHOU CARBON CARD INTELLIGENT MFG TECH CO LTD

Disc buckle type stand column assembly and formwork support

The invention belongs to the technical field of scaffold construction, and particularly relates to a disc buckle type stand column assembly and a formwork support. The disc buckle type stand column assembly comprises a stand rod, an adjustable jacking, an adjustable base and a fixing disc fixedly connected to the outer side of the stand rod; threaded holes are formed in two ends of the vertical rod; the adjustable jacking comprises a bracket and a bracket screw rod arranged on the bracket; the bracket screw rod is positioned in a threaded hole in one end of the vertical rod and is in threaded connection with the vertical rod; the adjustable base comprises a base and a base screw arranged on the base, and the base screw is located in a threaded hole in the other end of the vertical rod and is in threaded connection with the vertical rod; the connecting part is detachably connected to the outer side wall of the bracket screw rod or the base screw rod, and an insertion through hole which is through in the axial direction of the vertical rod is formed in the connecting part. The stand column assembly can be directly connected with another stand column assembly through the connecting rod by arranging the connecting part, so that the supporting of the bracket screw rod and / or the base screw rod of the connecting part with the connecting part is realized, and the reliability of the bracket screw rod and / or the base screw rod is improved.
Owner:CHINA 19TH METALLURGICAL CORP

Spaceborne computer vulnerability mining method and system

The application provides a kind of satellite computer vulnerability mining method and system, comprising: physical interface analysis, determine the hardware interface and debugging port of satellite computer;Debugging port detection, confirm the available state of debugging interface;Chip identification, obtain the main processing chip architecture and firmware storage information;Firmware extraction, read the firmware program code of satellite computer;Disassembly reverse, instruction level analysis is carried out to firmware code to find potential vulnerabilities;Protocol security analysis, check the security vulnerabilities of satellite computer communication protocol and instruction processing;Vulnerability verification, the discovered vulnerabilities are verified in the test environment.The application can comprehensively find the security vulnerabilities in satellite computer system from hardware interface layer to firmware software layer, improve the security and reliability of satellite computer system, and provide effective vulnerability detection and reinforcement means for satellite on-orbit operation.
Owner:SHANGHAI JIAOTONG UNIV +1

Large-area roof truss ceiling modules and transfer layer systems

This utility model belongs to the field of architectural decoration engineering technology, and discloses a large-area roof truss ceiling module and a transfer layer system, including a load-bearing transfer layer. The load-bearing transfer layer is formed by orthogonally welding multiple X-direction and Y-direction transfer angle steels to form a grid structure. Several height-adjustable vertical support rods are connected to the X-direction and Y-direction transfer angle steels of the load-bearing transfer layer. A connecting plate is fixedly connected to the top of the vertical support rod, and expansion bolts are provided on the connecting plate. Hanging rods are provided on the X-direction transfer angle steels of the load-bearing transfer layer, and hangers are connected to the bottom of the hanging rods. Modular ceiling units are provided below the load-bearing transfer layer. This invention achieves a balance of high stability, construction efficiency, safety and reliability, and economy through the innovative combination of a grid-based transfer layer, an adjustable support system, and modular ceiling units. It is particularly suitable for the needs of modern buildings for large spaces, irregular ceiling shapes, and rapid construction.
Owner:SHENZHEN SHENDIAO CONSTRUCTION ENGINEERING CO LTD

Mechanical self-maintaining force-increasing prime mover

PendingCN121854363Abreak dependenciesRealize self-circulating operationMachines/enginesMotorsPrime moverExternal energy
The invention relates to the technical field of power machinery, discloses a mechanical self-maintaining reinforcement prime mover, and solves the problems that a traditional power device depends on external energy and is high in energy consumption and complex in structure, and an existing mechanical power mechanism cannot continuously amplify power and cannot self-maintain circulating operation. A supporting rack is arranged, pulleys are fixedly installed on the two sides of the upper portion of the supporting rack, a steel rope is wound between the two pulleys, the left end of the steel rope is connected with a left-end balance weight load, the right end of the steel rope is connected with a right-end balance weight load, and a lever connecting rod is connected between the left-end balance weight load and the right-end balance weight load. Springs and the like are fixedly installed at the positions, corresponding to the lower portions of the left end balance weight load and the right end balance weight load, of the lower portion of the supporting rack. The device only needs initial small driving force, depends on gravity and elastic potential energy circulation and lever torque amplification to achieve self-sustaining operation, can output mechanical energy outwards, and is suitable for scenes of power generation, water pumping, mechanical driving and the like.
Owner:李字奉

A method for replacing a luffing wire rope of a bridge unloader

ActiveCN117228369BOptimize the replacement processReduce red tapeLoading/unloadingClassical mechanicsWire rope
The application is a kind of bridge ship unloader luffing wire rope replacement method, comprising the following steps: S1, limit removal and program sealing point; S2, arrangement of traction wire rope; S3, new wire rope traction to trapezoidal frame platform and old wire rope connection; S4, old wire rope traction new wire rope into machine room; S5, release old wire rope; S6, new wire rope connection reel and debugging; S7, set luffing zero and restore related limit. The application changes the complex mode of traditional wire rope replacement, optimizes the luffing wire rope replacement method, effectively reduces the maintenance time and maintenance personnel, improves the work efficiency and safety and reliability.
Owner:INSTALLATION ENG CO LTD OF CCCC FIRST HARBOR ENG CO LTD +1

A high mountain wind power transmission line engineering pile stable support mechanism

The utility model discloses a kind of high mountain wind power transmission line engineering pile stable support mechanism, belong to wind power transmission line engineering technical field, comprising: wind power transmission line construction area, pile body foundation pit, foundation pit support component, huazi shape steel sheet, engineering pile body and support buffer assembly, support buffer assembly is set between huazi shape steel sheet peripheral side outer wall and foundation pit support component inner wall, so that external vibration energy can be effectively absorbed and released, hydraulic buffer damper and buffer spring synergistic effect, dynamic shock absorption and elastic support function are realized, the effect that prevent the resonance, displacement or damage of engineering pile body due to wind load, earthquake etc. External force is achieved. The utility model entire high mountain wind power transmission line engineering pile stable support mechanism not only has excellent bearing performance, also have good buffer shock absorption capacity and geological adaptability, improve wind power transmission line foundation structure long-term stability and safety reliability.
Owner:SINOHYDRO ENG BUREAU 4

End effector of a robot for a mixer car capping machine and a capping method thereof

ActiveCN117340920BPick accuratelyPrecise capping operation
An end effector and its capping method for a robot used for capping mixed-steel cars belong to the field of robot control. The end effector includes at least: a pickup and release unit, a buffer unit, a heat-insulating cover distance detection unit, an end effector structure protection unit, and a pneumatic actuator unit. The capping method includes: after a heat-insulating cover vision system identifies the center of the heat-insulating cover at the current pickup location and feeds this information back to the robot system, the end effector's pickup center moves to directly above the center of the heat-insulating cover; the value fed back by the heat-insulating cover distance detection unit drives the robot system to descend with the end effector and pick up the heat-insulating cover; the tank opening vision system identifies the current orientation of the mixed-steel car's tank opening and feeds back the data to the robot system, guiding it to move above the tank opening, and then releasing the heat-insulating cover to complete the capping operation. This automatically guides the robot to perform precise capping operations on the mixed-steel car's tank opening, ensuring the safety of the operating equipment and the object being operated on throughout the entire operation.
Owner:BAOSHAN IRON & STEEL CO LTD

AI-driven big data fusion wind farm booster station anti-misoperation locking system

This invention discloses an AI-driven big data fusion-based anti-misoperation interlocking system for wind farm booster stations, relating to the field of anti-misoperation interlocking technology for wind farm booster stations. It includes a data acquisition module that collects real-time electrical parameters, operating status, and environmental parameters of the equipment, and uploads them after preprocessing; a big data fusion storage module that categorizes and stores multiple types of data according to a hierarchical strategy, optimizing access and retrieval; an AI intelligent analysis and decision-making module that integrates multi-source data to generate precise interlocking strategies; an anti-misoperation interlocking execution module that executes interlocking in a three-level mode and provides status feedback; a communication interaction module that achieves internal and external data interaction through a dual-mode architecture; a status monitoring module that monitors the operating status of each module and identifies faults; and an emergency handling module that initiates a response mechanism and restores operation after self-checking following fault resolution. This invention relies on AI and big data fusion technology, dynamically adapting interlocking thresholds to equipment and environmental conditions; supporting unattended operation and intelligent maintenance, providing reliable assurance for the safe operation of wind farm booster stations.
Owner:BEIJING YANENG ELECTRIC EQUIP CO LTD