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1232results about How to "Improve operational safety" patented technology

Method for analyzing flow-induced vibration of large top-exposed plane gate with high submerging water depth

PendingCN121859775ASolve the problem of flow-induced vibration characteristicsImprove operational reliabilityGeometric CADBarrages/weirsData setWater flow
The invention provides a flow-induced vibration analysis method for a large top-exposed plane gate with high submerging water depth. The flow-induced vibration analysis method comprises the steps that a hydraulic parameter set and a gate structure parameter set corresponding to an ultrahigh submerging ratio submerging outflow working condition are obtained; constructing a three-dimensional fluid-structure interaction numerical model comprising a gate solid domain and a water flow fluid domain based on the hydraulic parameter set and the gate structure parameter set; calculating a pressure pulsation load component and a vortex-induced vibration load component distributed on the surface of the gate through the three-dimensional fluid-solid coupling numerical model; inputting the pressure pulsation load component and the vortex-induced vibration load component into a gate structure dynamics solver for transient response analysis, and outputting a gate vibration displacement distribution map and a key component dynamic stress data set; and generating a flow-induced vibration safety performance evaluation conclusion according to the vibration displacement distribution map and the key component dynamic stress data set. The operation reliability and safety of the large top-exposed plane gate under complex working conditions can be improved.
Owner:HUANENG LANCANG RIVER HYDROPOWER CO LTD +2

Stamping equipment for automobile engine oil pan production

The invention provides stamping equipment for automobile engine oil pan production, and belongs to the technical field of oil pan stamping equipment. Which comprises a stamping equipment body and is characterized in that a lower die and an upper die are installed on the stamping equipment body, a first supporting frame is installed on one side of the stamping equipment body, and a second supporting frame is installed on the other side of the stamping equipment body; an automobile oil pan material plate is placed on the top of the first supporting frame. By arranging the auxiliary feeding mechanism and the auxiliary discharging mechanism, the auxiliary feeding mechanism can be utilized, workers do not need to make direct contact with an automobile oil pan material plate, the automobile oil pan material plate can be rapidly and stably transferred to the position between the lower die and the upper die, and accurate alignment can be achieved after transferring, and the automobile oil pan material plate can be reliably placed on the top of the lower die; and compared with a traditional manual handheld plate feeding mode, the feeding device is safer and more reliable.
Owner:DALIAN KWD INNOVATION AUTOMOTIVE PARTS LTD

Steam-electricity double-drive multi-shaft compressor unit connected through double clutches and control method of steam-electricity double-drive multi-shaft compressor unit

PendingCN121854441AMaximize direct utilizationavoid wastingPump componentsPump controlElectric machineDrive shaft
The invention relates to a multi-shaft compressor unit and a control method thereof, in particular to a steam-electricity double-drive multi-shaft compressor unit connected with double clutches and a control method of the steam-electricity double-drive multi-shaft compressor unit. The technical problems that in the prior art, a pure electricity mode, a pure steam mode and a steam-electricity double-drive mode cannot be switched on line, and when steam is sufficient, a motor cannot be disengaged, so that energy is wasted are solved. The system comprises a multi-shaft compressor, a steam turbine, a motor, a first clutch, a second clutch, a steam flow sensor, a controller and a rotating speed sensor. The multi-shaft compressor comprises a driving shaft; the driving shaft is provided with two driving ends which are respectively a first driving end and a second driving end; the output shaft of the steam turbine is coaxially connected with the first driving end through a first clutch; an output shaft of the motor is coaxially connected with the second driving end through the second clutch; and rotating speed sensors are arranged on the first driving end, the second driving end, the steam turbine and the output shaft of the motor.
Owner:XIAN SHAANGU POWER CO LTD

Hydroelectric generating set upper guide shoe temperature intelligent prediction method based on multi-source data fusion

The invention discloses a hydroelectric generating set upper guide shoe temperature intelligent prediction method based on multi-source data fusion, and relates to the technical field of hydroelectric generating set state monitoring and intelligent early warning, and the method comprises the steps: collecting and preprocessing multi-source operation data of a hydroelectric generating set, and constructing a unified time sequence data set; according to a preset working condition zoning rule, the operation working condition type of the current hydroelectric generating set is judged, and a working condition label corresponding to the thermal state of the upper guide shoe is obtained; performing feature importance sorting on the multi-source fusion feature set to obtain an optimal feature subset; on the basis of the optimal feature subset, an upper guide shoe temperature integrated prediction model is established and trained; and predicting an upper guide shoe temperature prediction value, and judging whether a temperature abnormal rise risk exists or not. According to the method, high-precision prediction and real-time abnormal trend identification of the temperature of the guide shoe on the hydroelectric generating set are realized through working condition classification, feature optimization and integrated prediction strategies, and meanwhile, reliable data support and decision basis are provided for intelligent operation and maintenance.
Owner:LONGTAN HYDROPOWER DEV

Intelligent detection method and system for absolute stress of steering axle of port machinery

ActiveCN121859066Aavoid systematic errorsavoid participationMeasurement devicesStructural reliabilityStress measurement
The invention provides an intelligent detection method and system for absolute stress of a steering axle of a port machine, and relates to the technical field of stress measurement and detection. Carrying out synchronous correction and feature modeling on the collected data, and constructing an absolute stress calculation and intelligent analysis model; screening a structure benchmark operation interval based on the operation data, constructing a benchmark stress reference state, and evaluating the stability of the structure benchmark; on the basis, multi-axis decomposition is carried out on the absolute stress, a multi-axis stress decoupling coefficient is calculated, and multi-axis stress safety judgment and coordinated regulation are achieved; and further combining the stress time sequence evolution characteristics and the fatigue accumulation effect, evaluating the long-term stress evolution risk of the structure, and implementing steering, loading and maintenance strategies when the risk exceeds the limit. According to the method, online sensing, risk early warning and closed-loop optimization of the absolute stress of the steering axle are realized, and the operation safety and the structural reliability of the port machinery are improved.
Owner:CHANGSHA KEMEI MASCH MFG CO LTD

Cooling control method and device of immersed liquid cooling energy storage equipment and electronic equipment

The invention discloses a cooling control method and device for immersed liquid cooling energy storage equipment and electronic equipment. The method comprises the following steps: acquiring battery pack temperature information and cooling liquid temperature information of the immersed liquid-cooled energy storage equipment, and determining a thermal load value of the immersed liquid-cooled energy storage equipment according to the battery pack temperature information and the cooling liquid temperature information; establishing a temperature prediction model according to the thermal load value, and determining a temperature change trend of a battery pack in the immersed liquid cooling energy storage equipment in a preset time period through the temperature prediction model; and adjusting cooling control parameters of the circulating cooling system by adopting a self-adaptive segmented control strategy according to the temperature change trend, and cooling the battery pack according to the cooling control parameters. The technical problems that the circulating cooling system of the immersed liquid cooling energy storage equipment in the related technology cannot effectively predict the temperature change trend of the battery pack and dynamically adjust the cooling control parameters, the system energy consumption is high, and it is difficult to ensure that the battery pack runs within the safe working range are solved.
Owner:CHINA TELECOM CORP LTD

Intelligent isolation bearing on-line monitoring system, installation process and monitoring method

PendingCN122651046ASimultaneous monitoring of vertical loadsSynchronous monitoring speedData acquisitionVertical load
The application relates to an intelligent isolation bearing online monitoring system, an installation process and a monitoring method. The system integrates force value, angular acceleration and displacement monitoring functions on the basis of an isolation bearing, is composed of an upper sealing plate, a rubber body, a lower sealing plate and a monitoring system, is used for simultaneously monitoring vertical loads transmitted from an upper building to a lower foundation and angular acceleration and horizontal displacement of the isolation bearing, and is composed of a ring-shaped pressure sensor, an inertial measurement unit (IMU), a displacement sensor, a data acquisition and transmission module, a cloud server and a monitoring platform. The system adopts a full-sensor external modular structure, is matched with a six-order Kalman fusion algorithm, a multi-parameter coupling early warning criterion, an IMU dynamic drift calibration model, and a special pre-tightening and anti-loosening installation process, is suitable for various working conditions, realizes synchronous acquisition of multi-dimensional parameters of a bearing, data noise reduction fusion and fault grading early warning, and can realize real-time monitoring of stress, angular acceleration and displacement states of a building isolation bearing.
Owner:SINO RUBBER TECH CO LTD

Method and system for controlling synchronized motion of robots based on decoupling of multiple heterogeneous components

PendingCN122703527Aavoid jitterReduced integration complexity
The application provides a kind of control method and system of robot synchronous movement based on multiple heterogeneous components decoupling, it is related to robot technical field;The method accesses heterogeneous hardware with uniform interface, establishes the standardized capability description containing coordinate system, constructs uniform space mapping between components, includes the same space reference with robot and target object;Uniformly encode the generalized state vector of each component motion degree of freedom, calculate the generalized jacobian matrix combined with task target, assign weight in generalized null space according to task priority, calculate synchronous control quantity and complete safety boundary verification;Convert the verified high-order geometric path into time synchronization trajectory conforming to the three-order control limit, issue execution unit and close-loop correction.The application solves the problems of poor universality, difficult integration and reuse, full-body synchronous movement of chassis and operating arm that cannot realize space-time reference unification, and lack of unified safety verification and data recording, effectively improves operation accuracy, operation safety and system maintainability.
Owner:NINGBO JUNPU ARTIFICIAL INTELLIGENCE & HUMANOID ROBOT RESEARCH INSTITUTE CO LTD

A device for high-temperature ash and slag removal and temporary storage of a metallurgical waste heat boiler

ActiveCN224470810UOvercome accumulation resistanceturn on securityThermodynamicsSlag
The utility model relates to metallurgical waste heat boiler technical field and disclose a kind of high-temperature ash slag removal and temporary storage device suitable for metallurgical waste heat boiler, it include: ash chute, the ash chute includes hopper body, several access doors and several spring supports, the access door is set in hopper body side wall;Floor ash bin, including ash bin body, steel flue interface and sealing door, the steel flue interface is set at the top of sealing door, the hopper body is connected with ash bin body by just flue interface, the sealing door is set in the side wall of ash bin body;Control assembly, it is jointly arranged in the inside of ash chute and floor ash bin.This scheme uses ash chute to collect high-temperature ash slag, enters floor ash bin by high-power electric hoist driving double flap valve control ash slag, realizes closed discharge, is linked and is controlled by flap valve and sealing door, effectively isolates high-temperature area before dust removal, guarantees operator and equipment safety, improves operating stability and environmental protection.
Owner:HANGZHOU NEW CENTURY ENERGY ENVIRONMENTAL PROTECTION ENG CO LTD

A positioning device and method for rapid detection and maintenance of train wheel sets in a rolling stock plant

The application discloses a kind of depot train wheelset rapid detection and maintenance positioning device and method, belong to train wheelset detection technical field, rotating jacking mechanism will be contacted with wheelset axle and lift wheelset from the rail of maintenance platform, and drive its rotation, rail and wheel are provided with flange detection component, flange detection component can be continuously checked and explored by mechanical probe rod and ultrasonic probe, wheel side detection component is set on rotating jacking mechanism, wheel side detection component is detected to wheel side by laser scanning detector, flange detection component and wheel side detection component are transmitted to host computer, and the mechanical model of both sides wheel is formed in host computer and shows damage point, host computer controls the stepping motor movement of rotating jacking mechanism, damage point can be selected by host computer screen, and rotating jacking mechanism is controlled to rotate slowly, finally make damage point stay to the exploration point of ultrasonic probe or laser scanning detector, it is convenient for maintenance personnel to identify suspicious damage point.
Owner:CHENGDU RAIL TRANSIT IND TECH RES INST CO LTD +1

Double-component medicament opposite-extrusion mixing assist device

The utility model relates to the technical field of medicament mixing assistors, and discloses a double-component medicament opposite-extrusion mixing assistor which comprises a transverse plate, a transverse plate and a transverse plate, the two fixed seats are oppositely mounted on two sides of one end of the transverse plate; the extrusion roller is rotationally mounted between the two fixed seats through a rotating shaft; the clamping groove is formed in the outer wall of the extrusion roller in the axial direction of the extrusion roller; and the pressing mechanism is arranged in the clamping groove and used for pressing the bag tail in the clamping groove. According to the double-component medicament opposite-extrusion mixing assist device, the tail part of a medicament bag is fixed in the clamping groove, and when the extrusion roller rotates, the extrusion force generated when the bottom of the medicament bag penetrates through a gap between the extrusion roller and the transverse plate is utilized, so that the medicament bag can be uniformly extruded, time and labor are saved, and the mixing efficiency of the double-component medicament is improved.
Owner:SHANGHAI PUDONG HOSPITAL

Leak-proof system and method for hydraulic station of quay crane

The invention belongs to the technical field of anti-leakage systems for hydraulic stations of rear girders of quay cranes, and particularly relates to an anti-leakage system and method for a hydraulic station of a quay crane. Comprising a data acquisition module used for acquiring an oil tank liquid level signal of a shore bridge hydraulic station and at least one real-time working condition signal of a shore bridge in real time; and the data processing and control module is electrically connected with the data acquisition module. Liquid level fluctuation and real leakage caused by normal actions (such as cart movement and oil cylinder action) of equipment are effectively distinguished, and the problems that a traditional low-liquid-level alarm device is high in false alarm rate and lags in alarm are fundamentally solved.
Owner:TIANJIN PORT SECOND CONTAINER TERMINAL CO LTD

Linkage switch structure of elevator anti-falling device

The application relates to a linkage switch structure of an elevator anti-falling device and relates to the technical field of elevator safety protection, which comprises a connecting guide rail, a tensioning mechanism and a switch mechanism, a plurality of groups of guide rail supports are connected to one side of the connecting guide rail, the tensioning mechanism and the switch mechanism are connected to one side of the connecting guide rail close to the guide rail supports, the switch mechanism is arranged above the tensioning mechanism, the tensioning mechanism comprises a tensioning wheel and a counterweight, and the back surface of the tensioning wheel is connected with a connecting back plate; the switch mechanism is installed to the middle part of a shaft by being moved upwards along the guide rail, so that the switch mechanism is not affected by the accumulated water in the shaft, the elevator operation safety is improved, the fine steel wire rope is linked with the tensioning device by being taut, when the speed of the car is abnormal, the fine steel wire rope cooperating with the speed limiter drives the tensioning wheel to move, the fine steel wire rope can drive the swing plate to rotate, so that the impact plate hits the switch contact, and the switch is triggered, so that the safety braking system is started.
Owner:ENVOL ELEVATOR CO LTD

A residue collecting device for a drilling and tapping machine

This utility model discloses a debris collection device for drilling and tapping machines, applied in the field of machining technology. This utility model actively shakes off the accumulated debris in the bin through mechanical vibration, effectively preventing debris from sticking or getting stuck, reducing the frequency of manual cleaning, evenly dispersing waste, improving the utilization rate of the bin space, preventing blockage, and ensuring the stability and collection efficiency of continuous operation. The mechanical push rod pushes the debris on the placement plate into the waste bin in a directional manner, avoiding the tedious operation of manual scraping, reducing downtime for cleaning, and the forced collection function can prevent secondary splashing or accumulation caused by debris retention, maintaining a clean working surface, while reducing the risk of equipment jamming caused by debris overflow, improving operational safety and continuity.
Owner:CHENGDU KAIJIA YUANYUAN MASCH CO LTD

Alkaline water electrolysis cell with cooling

The utility model relates to the technical field of alkaline water hydrogen production electrolytic cell, specifically to a kind of alkaline water hydrogen production electrolytic cell with cooling device, including the end pole plate of alkaline water hydrogen production electrolytic cell, cooling cavity being arranged in the inside of end pole plate, the cooling cavity in the inside of end pole plate is connected with circulating cooling system;Further improved scheme also includes in the inside cooling cavity being connected with circulating cooling system in intermediate pole plate is set to the scheme of the utility model can reduce the temperature of end pole plate and intermediate pole plate place sealing washer, to improve the compression strength of this sealing washer, solve end pole plate and intermediate pole plate place sealing washer more easily failure, damage problem, improve the working reliability of alkaline water hydrogen production electrolytic cell, and effectively prolong the service life of alkaline water hydrogen production electrolytic cell.
Owner:JIANG SU SHUANG LIANG QING NENG YUAN KE JI YOU XIAN GONG SI

Bridge inspection vehicle

ActiveCN224741433Uavoid pauseSmooth maintenance work
The application discloses a bridge maintenance vehicle, which is driven by a single motor and is supported by a three-point support structure, fundamentally solves the risk of rail clamping and rail derailment caused by the asynchronization of a double-motor system, and greatly improves operation safety. The single driving motor makes the control system more simple and light, brings economic advantages of low manufacturing cost, convenient installation and easy maintenance, avoids rail clamping and stop, ensures smooth bridge maintenance operation, and significantly improves maintenance efficiency.
Owner:ROAD & BRIDGE INT CO LTD

Wireless passive food temperature probe and food processing device

This application proposes a wireless passive food temperature probe and a food processing device. The wireless passive food temperature probe includes a probe tube and a handle; the probe tube is a metal tube, and a printed circuit board, an RF chip, and a temperature sensor are disposed inside the probe tube; an RF antenna and an antenna ground wire are disposed inside the handle; the temperature sensor is connected to the RF chip, and the RF chip is connected to the RF antenna and the antenna ground wire through the printed circuit board and a shielded wire, respectively; the probe tube is connected to the handle. Through innovative wireless passive design, the operation, cost, size, and environmental adaptability problems of existing probes are comprehensively solved, providing an efficient and reliable temperature monitoring solution for the food processing field.
Owner:WUHAN TEPUSHENG SENSING TECH CO LTD

An intelligent management system for power tools

ActiveCN121364665BAccurately determine health levelAchieve quantifiable representationProgramme controlComputer controlPower toolElectric fence
The present application relates to the technical field of electric tool management, and specifically relates to an intelligent management system for electric tools, comprising a device multi-dimensional state acquisition and characteristic vector construction module, which acquires operating parameters and constructs a characteristic vector through an MCU; a tool health assessment and risk identification module, which outputs a health score and an early warning level and identifies a modification behavior; a self-adaptive OTA upgrade and configuration strategy recommendation module, which triggers an update when an anomaly or modification occurs; an electronic fence and disconnection locking module, which tracks a position and triggers locking when crossing a boundary or being disconnected; and a smartphone terminal control response module, which displays a state and issues a control instruction. The present application constructs a closed-loop system of intelligent management and safety cooperation of electric tools through device multi-dimensional state sensing, health scoring and modification identification, self-adaptive upgrade and configuration recommendation, spatial behavior safety locking and user interaction feedback mechanisms.
Owner:YOUTUO INTELLIGENT MANUFACTURING (NANTONG) ELECTRICAL & MECHANICAL CO LTD

Swab collection and transport device for respiratory pathogen detection

PendingCN122646439APrecise and labor-saving breakingNo spillageBiotechnologyCold chain
The application discloses a swab collecting and transporting device for respiratory pathogen detection and relates to the technical field of medical devices.The device comprises a tube body and a tube cover, and the tube body is composed of an outer tube body, an inner container and a vacuum heat preservation layer; the inner container is provided with a U-shaped breaking gap at the container mouth, the gap is provided with a wedge-shaped cutting edge, and a limiting block provided with anti-skid serrations is arranged below; the container mouth is provided with a sealing flow blocking block and a rubber plug body, the plug body is provided with a medical hydrophilic liquid absorbing composite buffer layer at the bottom; and the outer tube body is provided with a real-time temperature display unit, which can adopt reversible heat-sensitive color-changing strips or waterproof miniature digital display modules.The wedge-shaped cutting edge and the limiting structure are used to realize accurate and labor-saving breaking of the swab, so that sample spatter and pollution are avoided; multi-stage sealing and liquid absorbing buffer layer double anti-overflowing can quickly absorb and inactivate leaked samples; vacuum heat preservation is combined with real-time temperature monitoring to guarantee the cold chain storage environment of the samples.The whole operation is convenient and safe, the device is suitable for clinical sampling processes, and the reliability of respiratory pathogen sample collection, preservation and transportation can be effectively improved.
Owner:GUANGZHOU INT TRAVEL HEALTH CARE CENT (GUANGZHOU CUSTOMS PORT CLINIC)

Saddle beam stamping and shaping tooling

ActiveCN224359180UFlat stamping and shaping effect is goodingenious structureCycle equipmentsStructural engineeringMechanical engineering
The utility model discloses a saddle beam punch forming tool, including support platform and left and right movable saddle beam shaping seat, a press head, the saddle beam shaping seat contains bottom plate and saddle beam front support part, saddle beam middle part support part and saddle beam tail stopper, the front side of bottom plate still with the movable end fixed connection of a horizontal straight line drive, the front part pointed part structure and the middle part straight line section structure of saddle beam are matched with the recess that is equipped with on the saddle beam front support part and saddle beam middle part support part correspondingly, the press head includes press block and the bottom plane is the front part of plane and middle part and beats flat punch head, and the setting position and bottom end structure of front part beat flat punch head and middle part beat flat punch head are adapted with the position and top structure of saddle beam front support part and saddle beam middle part support part on the saddle beam shaping seat respectively. The utility model has good beat flat punch forming effect to the saddle beam, and the degree of automation is good, and the safety is high, and the shaping mould replacement of corresponding different saddle beam is simple, and the equipment cost is low.
Owner:SAILEROYA AUTOMOBILE IND (CHINA) CO LTD

Coking ammonia distillation wastewater filter tar scale cleaning agent and preparation method thereof

PendingCN122587805AEliminate the risk of layeringAvoid stable storage
The application discloses a coking ammonia distillation wastewater filter tar scale cleaning agent and a preparation method thereof, and relates to the technical field of industrial cleaning agents. The cleaning agent comprises the following components in mass percentage: N-methyl pyrrolidone 30-40%; ethylene glycol monobutyl ether 1-3%; sodium dodecyl benzene sulfonate 5-9%; sodium polyepoxysuccinate 1.5-3.5%; sodium silicate 0.5-1.5%; and deionized water in the rest. The application greatly reduces the content of ethylene glycol monobutyl ether and optimizes the compound system of the main solvent and the surfactant, completely solves the normal-temperature stratification problem of the traditional water-based cleaning agent, realizes VOC≤8.5%, cleaning rate≥98.5%, stable storage for≥6 months under the conditions of shade, ventilation and avoidance of direct sunlight, recyclable use for 2-3 times, mild preparation process without foaming problem, and easy industrial production.
Owner:湖北金东元重工有限公司 +2

Passenger ropeway horizontal rescue device

The utility model provides a kind of passenger cableway horizontal rescue device, including frame, walking roller, manual walking driving device, lifting mechanism, hydraulic system, operator seat, balanced boom, cable clamp, stop block, hook, safety belt hanger ring, connecting pin group and nylon clamping block.This device can move along the inclined cableway carrying cable by self-weight and tow cable, after reaching rescue position, rescue personnel who ride this device operate lifting mechanism and hydraulic system, open the cable clamp of carrying tool that needs rescue, simultaneously, lift cable clamp and carrying tool together and reach preset position, make that carrying cable and the clamping surface inside cable clamp jaw produce stable and uniform gap.This device can ensure that cable clamp jaw and carrying cable do not contact all the time when dragging carrying tool to move together, avoid that carrying cable and cable clamp jaw produce abrasion, so as to guarantee the service life of carrying cable and cable clamp, improve cableway operation safety.
Owner:BEIJING NORTH BARTHOLET ROPEWAY TECH CO LTD

Permanent magnet motor suitable for oilfield pumping equipment

The utility model relates to permanent magnet motor technical field, concretely relates to a kind of permanent magnet motor suitable for oilfield pumping equipment, including speed reducer, the input end of speed reducer is fixedly connected with input shaft, the outside of one end of input shaft is fixedly connected with shaft sleeve, the outer wall of shaft sleeve is fixedly connected with rotor iron core, the outer wall of rotor iron core is fixedly connected with multiple equidistance evenly distributed permanent magnet, the outer wall of speed reducer near input shaft is fixedly connected with mounting flange, the side wall of mounting flange is provided with front end cover, and the side wall of front end cover is provided with machine shell.Compared with prior art, after the structure design of increasing air gap is used, even if slight axial displacement or radial swing occurs in the running process of rotor iron core, the interference between permanent magnet and stator iron core can be effectively avoided, and the reliability and adaptability of motor under high impact, high vibration working condition are improved.
Owner:SHENGLI OILFIELD SHUNTIAN PETROLEUM TECH CO LTD

Tool integrated cabinet for rail transit vehicle

A tool integrated cabinet for rail transit vehicles includes a shell, a pullable support frame, a damping universal roller and a folding seat storage cabin. The support frame is linearly guided through the sliding cooperation of a T-shaped guide rail and a clamping block. The stability of the support frame in a vehicle vibration environment is improved by the antiskid rubber material and damping design of the roller. The inside of the support frame adopts a modular partition structure. A fire extinguisher is fixed through the placement grooves of first and second support plates. The bottom plate cooperates with a guide groove to realize the quick taking and placing of an escape ladder. A groove is internally provided with a slide rail type folding seat storage cabin. The folding seat storage cabin is linked with a storage guide plate through a handle passage to realize the vertical partition management of emergency equipment and auxiliary tools. In addition, the conical self-locking structure and spring elastic pre-tightening mechanism of the plug rod and plug plate can effectively prevent the accidental sliding of the support frame. The combination innovation of the T-shaped guide rail, damping roller and folding cabin integration significantly enhances the safety and convenience of rail transit emergency equipment management.
Owner:NANNING UNIV

A double diaphragm coupling with limited radial displacement and overload protection

PendingCN122280972ASuppress radial displacementsuppress stressCouplingClassical mechanics
This invention relates to a double diaphragm coupling that limits radial displacement and provides overload protection. The invention includes a driving adapter plate, comprising a first adapter plate flange and a first connecting surface extending axially along the center of the first adapter plate flange; a driven adapter plate, comprising a second adapter plate flange and a second connecting surface extending axially along the center of the second adapter plate flange; a spacer shaft with circumferentially spaced third connecting blocks extending axially; the first connecting surface and its corresponding third connecting surface are mated by engagement of the first and third connecting blocks; the second connecting surface and its corresponding third connecting surface are mated by engagement of the second and third connecting blocks. This invention limits the radial displacement of the diaphragm coupling when it is subjected to radial offset, preventing damage to the diaphragm and protecting the diaphragm coupling.
Owner:WUXI TRUMY TRANSMISSION ENG CO LTD

Automatic loading and unloading device for chain plate heating and bending

PendingCN122254288AEasy to control the loading timeRealize automatic unloadingConveyor partsStructural engineeringMechanical engineering
The application discloses a kind of automatic loading and unloading devices of chain plate heating bending, belong to chain plate processing field.The device includes feeding assembly, unloading assembly and transfer assembly, feeding assembly is provided with multiple feeding tables with feeding table, feeding table is rotatably arranged on the surface of base, the surface of feeding table limits chain plate position, and then multiple chain plates can be placed on the surface of single feeding table, when the chain plate on the surface of single position feeding table is pushed by pushing assembly, chain plate can be placed on other feeding table position manually, workers can intermittently carry chain plate, and the labor intensity is relatively lower, simultaneously, chain plate feeding is directly controlled by pushing assembly, and the chain plate feeding demand time is easy to control;And setting unloading assembly sliding on the surface of base, the chain plate after bending is directly unloaded by pushing unloading assembly, without manual removal, realize the automatic unloading of chain plate after bending, reduce the manual intervention link, reduce worker labor intensity and guarantee to maintain chain plate conveying demand time.
Owner:ANHUI HUANGSHAN HENGJIU CHAIN TRANSMISSION CO LTD

Design method of underwater acoustic communication positioning hardware

The application discloses a kind of design methods of underwater acoustic communication positioning hardware, including base, control ring, the base inside fixedly connected with several groups of first connecting rod, the first connecting rod outside rotatably connected with first rotating block, the first rotating block one side fixedly connected with first mounting piece, the first mounting piece other side fixedly connected with damping rod, the damping rod other end fixedly connected with second mounting piece, the first mounting piece and second mounting piece between fixedly connected with spring, the second mounting piece other side fixedly connected with second rotating block, the second rotating block middle rotatably connected with second connecting rod, the second connecting rod lower part fixedly connected with lower mounting ring, the control ring inside fixedly connected with second connecting piece, the control ring is fixedly connected with upper mounting ring by second connecting piece, the upper mounting ring upper part fixedly connected with several groups of support cylinder, the support cylinder inside is equipped with protection rod, significantly improve hardware operation security.
Owner:SHANDONG ZHONGLIANFANGWU TECH CO LTD

A device for improving the anti-rotation of vibrating screens

ActiveCN224629338UProtection lifePrevent abnormal contact
This utility model discloses a device for improving the anti-rotation of a vibrating screen. The device includes a vibrating screen mechanism and an early warning mechanism. The vibrating screen mechanism includes multiple screen frames, multiple screen meshes, multiple retaining rings, multiple washers, and multiple reflective stickers. The multiple screen frames are stacked sequentially, the screen meshes are placed between adjacent screen frames, and the screen meshes are used to filter powder. The washers are placed at the connection points of adjacent screen frames. The retaining rings surround the outer circumference of the screen frames and are located at the connection points of adjacent screen frames. The reflective stickers are attached to the retaining rings. The early warning mechanism includes a column, multiple reflective photoelectric devices, multiple relays, an alarm light, and a power supply. The extension direction of the column is the same as the stacking direction of the multiple screen frames. The multiple reflective photoelectric devices are spaced apart on the column, and each reflective photoelectric device corresponds to a reflective sticker. The power supply is electrically connected to the alarm light through the relays, and the power supply is electrically connected to the reflective photoelectric devices through the relays. The reflective photoelectric devices are electrically connected to the alarm light through the relays.
Owner:XIANTAO RONGBAI LITHIUM BATTERY MATERIAL CO LTD

Transverse impedance multidirectional damping steel spring device

ActiveCN224148458Uincrease dampingImprove vibration isolation, resonance and high vibration problemsBallastwayElastomerFatigue fractures
The utility model relates to a transverse impedance multidirectional damping steel spring device which comprises a spring outer sleeve (1), a steel spring (5) and a spring inner sleeve, the spring inner sleeve comprises a spring inner sleeve cover (2) and a spring inner sleeve base (6), and a transverse impedance elastic body (3) for transverse limiting is arranged between the spring outer sleeve (1) and the spring inner sleeve base (6). Compared with the prior art, three-direction damping amplification is adopted, besides the main vibration isolation direction, the stability and vibration in the direction perpendicular to the main vibration isolation direction of the spring can be controlled, and meanwhile the problem that the spring is subjected to transverse shearing dynamic load to cause fatigue fracture and failure of the spring is solved; therefore, the transverse stability and reliability are improved, and the service life of parts is prolonged.
Owner:SHANGHAI UNIV OF ENG SCI

Heat supply pipe network balance regulation and optimization system based on big data

The invention relates to the technical field of central heating, in particular to a heat supply pipe network balance regulation and optimization system based on big data, which comprises a big data acquisition module, a pipe network model construction module, a balance regulation and optimization module and an execution and monitoring feedback module. An improved adaptive genetic algorithm is adopted to solve a multi-objective optimization problem of energy consumption, heat supply uniformity and maintenance cost, optimal regulation and control parameters are output, leakage detection, heat demand pre-judgment and smart city docking functions are integrated, and closed-loop regulation and control and intelligent operation and maintenance are realized. Application shows that heat supply uniformity is larger than or equal to 0.95, the maximum energy consumption saving rate is 18.3%, leakage response is smaller than or equal to 30 s, heat supply quality, energy-saving benefits and operation and maintenance efficiency are remarkably improved, and complex pipe networks and diversified heat utilization requirements are met.
Owner:QINGDAO THERMAL POWER GRP CO LTD