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105results about How to "Avoid fatigue damage" patented technology
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Composite high-weather-resistance rubber waterstop and preparation process thereof
PendingCN119489597AImproves UV resistanceImprove aging resistanceUnderground chambersProtective foundationRubber materialFiber
The invention relates to the field of waterproof sealing materials, and discloses a composite high-weather-resistance rubber waterstop which is composed of an outer layer, a middle layer and an inner layer. The outer layer contains 3%-8% of nano titanium dioxide, 2%-5% of nano zinc oxide, 50%-70% of a rubber matrix and 1%-3% of an ultraviolet light absorber, and the total proportion of the outer layer is 10%-20%. The middle layer is composed of 70%-85% of EPDM, 5%-10% of carbon fiber and 5%-10% of plasticizer, and the total proportion of the middle layer is 60%-75%. The inner layer is a dynamic covalent bond rubber material and contains 5%-10% of a vulcanizing agent and 1%-3% of an antioxidant, the rubber material accounts for 80%-90%, and the inner layer accounts for 15%-25% in total. Through a multi-layer composite structure, a dynamic covalent bond self-repairing material and an optimized vulcanization process, the comprehensive performance of the water-stop belt is remarkably improved, and particularly the durability and the service life of the water-stop belt in a long-term exposure environment are improved.
Owner:HEBEI BAOLI ENG EQUIP GRP CO LTD
Plate heat exchanger
ActiveCN119268415AImproves Structural IntegrityExtended service lifeHeat exchanger casingsRotary device cleaningPlate heat exchangerMechanical engineering
The invention discloses a plate heat exchanger, which belongs to the field of heat exchange, and comprises a plate body I, a plurality of guide columns fixedly connected to one side of the plate body I, a plate body II movably sleeved outside the guide columns, and a heat exchange sheet positioned between the plate body I and the plate body II, the vertical installation assembly comprises a supporting column fixedly connected to one side of the first plate body, a rotating base rotationally connected to the outer portion of the supporting column in a sleeving mode, two lower side plates symmetrically and fixedly connected to the upper end of the rotating base, two upper side plates fixedly connected to the upper ends of the two lower side plates correspondingly, and guide parts fixedly connected to one sides of the two upper side plates and one sides of the two lower side plates. The heat exchange plate can be vertically inserted between the two upper side plates and the two lower side plates, the process of bending installation of the heat exchange plate is avoided, the mechanical stress effect on the heat exchange plate is remarkably reduced, damage such as deformation, scratches and creases possibly caused in the installation process is reduced, the structural integrity of the heat exchange plate is improved, and the service life of the heat exchange plate is prolonged.
Owner:四平市巨元瀚洋板式换热器有限公司
Pavement structure design method based on fatigue damage of semi-rigid base asphalt pavement
PendingCN119416296Aavoid fatigue damageGuaranteed to lastGeometric CADIn situ pavingsFatigue damageRoad engineering
The invention provides a pavement structure design method based on fatigue damage of a semi-rigid base asphalt pavement, and relates to the technical field of road engineering design. According to traffic parameters of the semi-rigid base asphalt pavement within a design age limit, an equivalent damage method is utilized to calculate an accumulated equivalent axis number of a semi-rigid base and an asphalt layer, and an initial design scheme of the semi-rigid base asphalt pavement is determined; calculating accumulated damage and modulus attenuation values of the semi-rigid base layer under the load action by utilizing a semi-rigid base layer modulus attenuation model in analysis periods one by one, acquiring pavement structure response of the semi-rigid base layer asphalt pavement based on an elastic stratified theory, and calculating the fatigue life of the semi-rigid base layer and accumulated fatigue damage of the asphalt layer by utilizing a fatigue estimation model. And updating and adjusting the design scheme of the semi-rigid base asphalt pavement until all analysis periods are traversed, and determining the optimal design scheme of the semi-rigid base asphalt pavement. The influence of modulus attenuation of the semi-rigid base is fully considered, and the long-term durability of the asphalt pavement is guaranteed.
Owner:SHANDONG TRANSPORTATION INST +2
Auxiliary cylinder device for actively sucking and blowing air and control method thereof
ActiveCN119617060ASuppression of flow-induced vibrationavoid fatigue damageMechanical energy handlingVibration suppression adjustmentsFatigue damageSmall hole
The invention discloses an auxiliary cylinder device for active air suction and blowing and a control method thereof.The auxiliary cylinder device is used for being installed on a main cylinder structure to restrain flow-induced vibration of the main cylinder structure and comprises a rotating assembly, an auxiliary round rod and a fixing mechanism; the rotating assembly is used for being installed on a main cylindrical structure and can rotate in the circumferential direction of the main cylindrical structure. The auxiliary round rod is fixed to the rotating assembly through a fixing mechanism and can rotate in the circumferential direction of the main cylindrical structure along with the rotating assembly. The auxiliary round rod is a hollow rod, is provided with a plurality of small holes in the longitudinal direction, and is used for sucking and blowing air through the small holes to achieve disturbance and even damage of the trailing vortex of the main cylinder structure. According to the auxiliary cylinder device for active air suction and blowing and the control method of the auxiliary cylinder device, by arranging the rotating assembly, the auxiliary round rod and the fixing mechanism, flow-induced vibration of the main cylinder structure can be effectively restrained, fatigue damage caused by vibration is avoided, and the service life of the auxiliary cylinder device is effectively prolonged.
Owner:CHANGSHA UNIVERSITY OF SCIENCE AND TECHNOLOGY
Offshore jacket and construction method thereof
PendingCN119267105AReduce maintenance frequencyImprove corrosion resistanceArtificial islandsWind motor supports/mountsMarine engineeringPipe fitting
The invention provides an offshore jacket and a construction method thereof. The offshore jacket comprises a plurality of stand column pipe fittings, a plurality of supporting pipe fittings, a first continuous fiber reinforced layer, a second continuous fiber reinforced layer and a third continuous fiber reinforced layer, and the two ends of each supporting pipe fitting are connected with every two adjacent stand column pipe fittings correspondingly; the first continuous fiber reinforcing layer and the second continuous fiber reinforcing layer are laid on the surfaces of the stand column pipe fitting and the supporting pipe fitting in different directions. And the third continuous fiber reinforced layer is laid at the joint of the stand column pipe fitting and the supporting pipe fitting according to the stress distribution position. In the application, the first continuous fiber reinforcing layer and the second continuous fiber reinforcing layer are arranged to completely cover the surfaces of the stand column pipe fitting and the supporting pipe fitting, so that the corrosion resistance of the stand column pipe fitting and the supporting pipe fitting can be obviously improved, and forces from different directions are effectively dispersed and resisted; and the third continuous fiber reinforcing layer can enhance the stretching resistance and the shearing resistance at the joint, and the steel consumption and the maintenance frequency of the offshore jacket are reduced.
Owner:THE HONG KONG POLYTECHNIC UNIV
Permanent and temporary combined assembly type underground structure plate wall connecting joint
ActiveCN224213363UGuaranteed Strengthensure safetyArtificial islandsUnderwater structuresSlurry wallArchitectural engineering
The utility model discloses a permanent and temporary combined assembly type underground structure plate wall connecting node which comprises an assembly type underground diaphragm wall, a full-length steel plate is installed on the side wall of the assembly type underground diaphragm wall, and a prefabricated structure plate is hoisted on the full-length steel plate. The gap between the prefabricated structural slab and the fabricated underground diaphragm wall is filled with ultra-high-performance concrete, and a steel bar structure is arranged in the ultra-high-performance concrete. According to the utility model, the rigid connection between the two prefabricated parts is realized, the integrity of the structure is improved, and the safety and durability of the underground structure are fully ensured; an underground diaphragm wall which is usually used as a temporary structure is changed into a permanent structure, so that the construction period is shortened, and the investment is saved; the ultra-high performance concrete poured in the joint can greatly shorten the anchoring length of the steel bars, enlarge the arrangement distance of the steel bars, obviously reduce the using amount of the steel bars on site and the binding workload, is convenient to install and simple in process, obviously improves the construction efficiency, and has high popularization and application value.
Owner:CHINA RAILWAY DESIGN GRP CO LTD
Bridge expansion device with adjusting function
ActiveCN222477211Uavoid wear and tearavoid fatigue damageBridge structural detailsFatigue damageScrew thread
The utility model relates to the technical field of bridge expansion devices, in particular to a bridge expansion device with an adjusting function, an external mounting rod is arranged between a first adjusting rod and a second adjusting rod, the first adjusting rod and the second adjusting rod are both movably inserted into the inner wall of the external mounting rod, and the outer wall of the first adjusting rod is in threaded connection with a first movable part; the outer wall of the second adjusting rod is in threaded connection with a second movable part, an elastic element is fixedly connected between the first movable part and the second movable part, the first movable part and the second movable part can be drawn close to each other by rotating the first adjusting rod and the second adjusting rod, and elastic potential energy of the elastic element can be enhanced along with drawing close of the first movable part and the second movable part. The problems that the rigidity and the bearing capacity of a bridge expansion device are limited, abrasion and fatigue damage are prone to occurring in long-term use, the pre-tightening force of the bridge expansion device is reduced, and therefore displacement changes of a bridge structure cannot be effectively coped with are solved.
Owner:ZHONGSHENG ROAD & BRIDGE TECH GRP CO LTD
Clamping assembly for trachea cannula
ActiveCN222357860Uavoid shockavoid fatigue damageTracheal tubesFatigue damagePhysical medicine and rehabilitation
The clamping assembly for the trachea cannula comprises an elastic seam allowing the trachea cannula to pass through. A vertical gap is reserved between the sliding block and the elastic seaming opening, the lower portion of the sliding block is connected with the elastic seaming opening through the elastic connecting handle, and the included angle of the connecting position of the elastic connecting handle and the elastic seaming opening is an acute angle; the face, opposite to the fixing frame body, of the elastic connecting handle is concaved inwards to form a damping groove used for elastic damping. The positioning assembly is integrally connected with the elastic connecting handle, and the positioning assembly is detachably connected with a trachea cannula. The damping groove plays an elastic damping role in the positioning or loosening operation of the trachea cannula, and effectively prevents impact on the fixing frame main body and fatigue damage of each component caused by excessive force in the operation.
Owner:ZHEJIANG HAICHUANG MEDICAL DEVICE CO LTD
Monitoring device for detection of ice thickness on a conductor
ActiveCN224744226Ustable jitterReduce hard impact
The utility model relates to the technical fields of monitoring device for wire icing thickness detection, disclose a monitoring device for wire icing thickness detection, include: bottom plate, the top of bottom plate is solid equipped with two groups of support frame, and the top of support frame is fixedly arranged with the support plate, be arranged with the wire between the support frame, the wire is connected through the support plate of tension assembly arranged on the support plate support plate, one side of support frame is equipped with the shake -off subassembly, the shake -off subassembly includes the casing of arrangement on the support frame, the inside of casing is equipped with the moving link, is used for shaking the wire, through the wire of the collar fixed of tension assembly, the weight change after icing is passed to the tension sensor through the pull rod, and the signal transmission of sensor reaches the controller conversion icing thickness, when the thickness reaches threshold value, the controller starts the shake -off subassembly, and the motor drives the cam to drive the moving link high -frequency shake -off wire, and the spring cooperation ensures the stable shaking.
Owner:CHENGDU GREEN ENERGY XINGZHOU ENERGY TECHNOLOGY CO LTD
Bottom yawing inhaul cable type self-balancing wind power supporting structure system
ActiveCN222558672UReduce steel consumptionreduce construction costsWind motor controlWind motor supports/mountsTowerControl theory
The utility model provides a bottom yawing inhaul cable type self-balancing wind power supporting structure system which is used for solving the technical problems that an existing wind generating set is large in tower column structure, unbalanced in stress and low in power generation efficiency. The supporting structure system comprises an obliquely-arranged tower column frame, and a fixed wind turbine generator set is installed at the top end of the tower column frame. The lower end of the tower column frame is provided with a supporting frame, the bottom end of the supporting frame is provided with a yaw wind facing assembly capable of rotating freely, and an inhaul cable assembly is arranged between the supporting frame and the tower column frame. The inhaul cable assemblies are arranged on the two sides of the tower column frame, so that the whole tower column frame is of a self-anchored balanced structure, the absolute value of the bending moment of the tower column frame is greatly reduced and even is 0, the steel consumption of the tower column frame is greatly reduced, and the construction cost of the tower frame is effectively reduced.
Owner:CHONGQING DALI CABLE TECH CO LTD
Modular cable hanger and method of use
PendingCN122267650Aavoid fatigue damageReduced risk of breakageSuspension arrangements for electric cablesDirt cleaningFatigue damageElectric cables
The application discloses a modular cable hanging device and a use method, and belongs to the technical field of mine machinery. The device comprises a hanging mechanism, two supporting mechanisms are arranged on the hanging mechanism, the hanging mechanism comprises three hangers, a falling-prevention assembly is arranged above the hangers, and a cleaning assembly and a driving assembly are arranged in the falling-prevention assembly. The driving assembly can change the cable hanging position through forward rotation or reverse rotation, so that the fatigue damage of the cable caused by repeated bending during movement is avoided, the risk of cable breakage is effectively reduced, the service life of the cable is prolonged, and the cleaning assembly can reciprocally rotate in cooperation with the arc-shaped inclined strips during the switching of the clamping position, so that the dust on the surface of the cable can be quickly cleaned. In addition, the cleaning assembly can clean the surface of the cable in a large range as the clamping position of the cable is switched to different lengths, and the running safety and maintenance convenience of the cable are improved.
Owner:鄂尔多斯市昊华红庆梁矿业有限公司
A spring support and hanger for pipeline thermal displacement
ActiveCN118998449Bavoid fatigue damageGuaranteed service lifePipe supportsPipeline expansion-compensationStructural engineeringSafe operation
The present invention relates to the technical field of supports and hangers, and specifically to a spring support and hanger for thermal displacement of pipelines. The support and hanger comprises a mounting seat, a support rod is slidably connected to the mounting seat, a longitudinal elastic mechanism is connected between the support rod and the mounting seat, a circumferential elastic mechanism is connected to the end of the support rod away from the mounting seat, a support seat is fixedly connected to the circumferential elastic mechanism, a transverse elastic mechanism is fixedly connected to the support seat, two symmetrically arranged connecting pipes are sealed and slidably connected to the transverse elastic mechanism, and the connecting pipe is detachably and sealedly connected to the pipeline. The present application connects the connecting pipe to the pipeline in a detachable and sealed manner by stringing the transverse elastic mechanism between the pipelines, so that the pipeline can drive the connecting pipe to slide on the transverse elastic mechanism when thermal displacement occurs, thereby compensating for the thermal displacement generated by the pipeline, and the longitudinal elastic mechanism can buffer the vibration generated by the pipeline, which not only effectively solves the problem of thermal displacement of the pipeline, but also improves the safety and reliability of the pipeline system, ensures the safe operation of the pipeline system, and is conducive to extending the service life of the pipeline.
Owner:NANJING ZHONGTE CHEM ENG POWER EQUIP CO LTD
Combined sealing water-cooled mechanical seal structure
The application relates to the technical field of mechanical seals, and discloses a combined sealing water-cooling mechanical seal structure, which comprises a rear bearing seat end, a front bearing seat end, a positioning hole and a shaft groove. The inner sides of the rear bearing seat end and the front bearing seat end are provided with a pressure-bearing bearing mechanism which is used for replacing traditional bearings to reduce wear caused by vertical stress. The inner side of the pressure-bearing bearing mechanism is provided with a water-cooling cooling mechanism which is used for assisting heat dissipation. The periphery of the water-cooling cooling mechanism is provided with a sealing mechanism which is used for sealing and packaging structure. The pressure-bearing bearing mechanism comprises an inner bearing seat end, the two sides of the inner bearing seat end are provided with matching ring grooves, the side surfaces of the matching ring grooves are slidably connected with rotating shaft rings, and the two sides of the inner bearing seat end are slidably connected with eight roller shaft columns. The application enhances oil distribution uniformity, reduces local dry friction and heat accumulation, thereby comprehensively improving transmission efficiency, reducing maintenance frequency, and effectively preventing jamming and early fatigue failure.
Owner:LIAONING HAOYU MASCH MFG CO LTD
A crystallization apparatus for preparing lithium hexafluorophosphate
PendingCN122076057AUniform precipitationRapid precipitationLithium compoundsSolution crystallizationPhosphoric acidLITHIUM PHOSPHATE
This invention relates to a crystallization apparatus for preparing lithium hexafluorophosphate, comprising: a tank body, a feeding device provided on the top surface of the tank body, and an array of heat exchange components provided on the inner wall of the tank body. The heat exchange components include several heat exchange plates disposed on the inner wall of the tank body and arranged along the length of the tank body. This apparatus can increase the heat exchange area and enhance the heat exchange efficiency, enabling the uniform and rapid precipitation of lithium hexafluorophosphate crystals, and achieving continuous production with simultaneous crystallization and scale prevention.
Owner:FUJIAN LONGDE NEW ENERGY CO LTD
Loading anti-fatigue hanging spring
ActiveCN222391822Uavoid fatigue damageImprove fatigue resistanceWound springsWhole bodyStructural engineering
Owner:SUZHOU XIANGCHENG EDUCATIONAL PROD FACTORY
Automobile battery pack adopting anti-offset battery cell fixing structure
PendingCN122000578AImplement one-time assemblyEliminate the risk of driftCell component detailsAutomotive batteryElectrical battery
The invention relates to the technical field of battery pack manufacturing, and discloses an automobile battery pack adopting an anti-offset battery cell fixing structure, the automobile battery pack comprises a battery module and a constraint piece, the constraint piece comprises a pressing group arranged above a connecting piece, a buffer plate is arranged in the middle of the top end of the pressing group, the buffer plate adopts a waveform design, and the buffer plate is arranged in the middle of the top end of the pressing group. A cover plate is arranged at the top end of the buffer plate, springs are symmetrically arranged at the four corners of the bottom end of the cover plate, and the bottom ends of the springs are elastically connected with the four corners of the top end of the pressing set. According to the device, the reinforcing plate and the downward pressing set are arranged, the reinforcing plate is in sliding connection with the downward pressing set, and the abutting rod is in transmission connection with the positioning plate, so that the reinforcing plate and the side plate can be driven to reinforce the side frame while the restraining piece is installed in place, and one-time assembly and double guarantee are achieved; omnibearing constraint is formed on the battery cell from two dimensions of the top end and the side edge, and the deviation risk possibly caused by single-dimension constraint is completely eradicated.
Owner:SICHUAN LIULIUSHUN TRAVEL TECHNOLOGY CO LTD
A straight web steel box girder capable of suppressing wind vibration
The invention discloses a straight web steel box girder capable of suppressing wind vibration, belonging to the technical field of steel box girder structures. A plurality of vibration suppressing parts arranged in the steel box girder are installed, and the vibration suppressing parts can effectively eliminate the vibration of the steel box girder of a bridge body caused by strong wind. When the steel box girder swings in one direction, a swing beam suspended in the steel box girder and a seeding block fixed on the swing beam swing in the opposite direction of the wind flow relative to the steel box girder under the action of gravity. The swing can eliminate the force that pushes the steel box girder to swing in one direction, so that the swing of the steel box girder is reduced or even eliminated. The plurality of vibration suppressing parts respectively eliminate the swing of the steel box girder at their installation positions, so that the swinging trend of the entire steel box girder can be offset, and the vibration of the bridge caused by the swing of the steel box girder caused by the wind can be avoided. This structure eliminates the wind vibration phenomenon caused by the shaking of the bridge caused by strong wind, so that the bridge will not swing under strong wind conditions, thereby ensuring the comfort and safety of bridge driving, and avoiding fatigue damage of bridge components caused by vibration.
Owner:CHANGAN UNIV +1
A road surface maintenance grading device for municipal works
This utility model relates to the field of road surface maintenance technology in municipal engineering, and more particularly to a leveling device for road surface maintenance in municipal engineering. It solves the problem in existing technologies where the height adjustment mechanism lacks a locking device, leading to loosening of the adjustment components and loss of height control due to vibration during operation. The leveling device for road surface maintenance in municipal engineering includes two mounting frames and a mounting plate positioned between the two frames. Both sides of the bottom of each mounting frame are equipped with casters, and each mounting frame contains a lifting rod. The two ends of the lifting rod are connected to the interior of the mounting frame via a vertical guide structure, and the top of the lifting rod is connected to the top of the mounting frame via a vertical adjustment structure. This utility model, through the cooperation of the lifting rod and the detachable locking structure, achieves rigid fixation after adjustment, effectively preventing height changes caused by operational vibration and improving the stability and accuracy of the leveling operation.
Owner:BEIJING NO 4 MUNICIPAL CONSTR ENG +1
A wind turbine generator cooling device
This utility model relates to the field of wind power generation equipment technology, and in particular to a wind turbine generator heat dissipation device, including a mounting plate. Mounting blocks are fixedly connected to all four sides of the outer perimeter of the mounting plate. Vibration damping components are fixedly connected to the four upper corners of the mounting plate. A heat dissipation housing is fixedly connected to the upper ends of the four vibration damping components. Cover plates are bolted to the four upper corners of the heat dissipation housing. A heat dissipation component is bolted to the right end of the heat dissipation housing. Multiple ventilation slots are provided on the left, lower, and right ends of the heat dissipation housing. This utility model, by setting up a composite heat dissipation structure and an integrated vibration damping structure, effectively improves heat dissipation efficiency and equipment vibration resistance, significantly enhancing the operational stability and service life of the wind turbine generator under complex operating conditions.
Owner:GUIZHOU QINGSHUIJIANG HYDROPOWER CO LTD
Standard test piece vibration fatigue test clamp and installation method
ActiveCN119437613AAvoid local stress concentrationsachieve fixationVibration testingMechanical engineeringPhysics
The invention belongs to the technical field of vibration tests, and particularly relates to a standard test piece vibration fatigue test clamp and an installation method, the standard test piece vibration fatigue test clamp comprises a clamp body and a clamping plate, and the clamping plate is inserted into the clamp body; the clamping plate comprises a transverse clamping plate, a longitudinal clamping plate, a columnar clamping plate and a mounting groove; the longitudinal clamping plate is vertically connected to one long side of the transverse clamping plate to form a T shape, the upper and lower plate surfaces of the transverse clamping plate protrude to form columnar clamping plates, and the mounting groove is located in the upper plate surface of the transverse clamping plate and extends to the opposite side from the side where the longitudinal clamping plate is located; preformed holes are formed in the longitudinal clamping plates; the clamp body is provided with a T-shaped groove, the shape of the T-shaped groove is the same as the projection of the clamping plate in the inserting direction of the clamping plate, and the clamp body is provided with a mounting hole communicated and matched with the preformed hole. When the clamping plate is inserted into the clamp body along the T-shaped groove, the mounting hole in the clamp body is connected with the preformed hole in the clamping plate through a bolt.
Owner:CHINA AIRPLANT STRENGTH RES INST
Telescopic enclosure structure of luggage case
PendingCN121943022AHelps in closing and clampingavoid bendingLuggageOther accessoriesGuide tubeFrictional resistance
The telescopic enclosure structure comprises two annular middle frames, a telescopic enclosure for connecting the two middle frames is arranged between the two middle frames, a plurality of fixing pieces are arranged on the inner side walls of the middle frames at intervals in the circumferential direction of the middle frames, and insertion openings are formed in the fixing pieces; the two ends of the guide pipe are inserted into the two adjacent insertion openings in the middle frame respectively; the device further comprises a pull rope and a winding and unwinding device, the pull rope penetrates through the guide pipes, and the pull rope is arranged in the circumferential direction of the middle frames and alternately turns back between the guide pipes on the two middle frames to form continuous bow-shaped wiring. The fixing piece is provided with a blocking part abutting against the front end of the guide pipe, and the blocking part is provided with a channel allowing the pull rope to penetrate through. By arranging the guide pipe, the pull rope can be guided at the position of the inserting opening of the fixing piece, the pull rope is prevented from being bent to a large degree, fatigue damage caused by excessive bending of the pull rope is avoided, friction resistance borne by the pull rope when the pull rope is pulled is reduced, and the pull rope can be pulled more smoothly.
Owner:WENZHOU OUHAI KAISHI LUGGAGE & BAG FACTORY +1
Marine flow channel dual-channel redundancy instrument with correction function
The utility model relates to the technical field of ship instruments, and discloses a marine flow channel dual-channel redundancy instrument with a correction function, which comprises a connecting part, and a control valve with three liquid outlet ends is arranged at the end part of the connecting part. Two liquid outlet ends of the control valve are connected with instrument pipelines which are opposite in liquid outlet inclination angle direction and identical in liquid outlet inclination angle, the ends of the instrument pipelines are communicated with detection instruments, and the liquid outlet ends of the two detection instruments are connected with a confluence three-way valve. The last liquid outlet end of the control valve is arranged between the two instrument pipelines and communicated with a correction channel, the correction channel is a three-way pipeline, the liquid outlet end of the correction channel is communicated with the connecting point positions of the instrument pipelines and the detection instrument, and a pressure detection component extending to the outside of the correction channel is arranged in the correction channel. The marine flow channel dual-channel redundancy instrument with the correction function has the advantages that the overall service life is prolonged through redundancy setting, and the aging condition of the instrument can be conveniently detected.
Owner:WUHAN CHENGBANG XINHE TECH CO LTD
Ring network power distribution cabinet convenient to overhaul and maintain
ActiveCN222301098UNeat wiringavoid entanglementBus-bar/wiring layoutsClimate change adaptationRing networkLinear arrays
The utility model discloses a ring network power distribution cabinet convenient to overhaul and maintain, which comprises a bottom plate, a plurality of wire inlet holes arranged in the middle of the bottom plate, support columns vertically and fixedly connected at four corners of the bottom plate, a box door hinged between two support columns, a box plate arranged between the support columns except the box door, and a top plate fixedly connected at the tops of the support columns. The two ends of the side, away from the box door, of the bottom plate are fixedly connected with first wire clamping clamps, the two sides of the end, away from the box door, of the box plate are provided with a plurality of second wire clamping clamps in a linear array, and wrapping posts are arranged between the adjacent wire clamping clamps. By means of the arrangement, the connecting wires can be arranged in the ring main unit more orderly, and maintenance of workers is facilitated.
Owner:SHANDONG YIYANG ELECTRIC CO LTD
Food processor
ActiveCN224179608UThe control structure is easy to installEasy to assembleElectric switchesKitchen equipmentComputer hardwareMechanical engineering
Owner:HONGYANG HOME APPLIANCES
A steam heating device for a corrugated board production line
PendingCN122077990AOffset non-linear pulling force componentsAvoid fatigue damageMechanical working/deformationcardboardThermodynamics
This invention discloses a steam heating device for a corrugated board production line, belonging to the field of corrugated board production technology. The device includes a cardboard conveyor, a steam heating component, an anti-friction component, and a synchronous cleaning component. The steam heating component drives the heating chamber to rise, rotate, swing, and level to press the cardboard. The anti-friction component is driven to translate as the heating chamber swings downwards, synchronously driving the connected flexible metal hose to move vertically downwards, achieving dynamic height compensation of the pipeline and eliminating alternating bending stress at the hose root to prevent friction and leakage. The synchronous cleaning component translates with the anti-friction component, driving a cleaning scraper to slide along the bottom surface of the heating chamber to clean adhering scale, and utilizes a cam-assisted structure to perform height compensation during the swinging process, maintaining tight contact between the scraper and the surface. This invention achieves mechanical linkage between pipeline follow-up protection and automatic bottom surface cleaning, improving production efficiency and equipment stability.
Owner:杭州永晶科技有限公司
Piezoelectrically biased capacitive universal flexible pressure patch
The present application relates to the technical field of pressure measurement, and particularly relates to a piezoelectric bias capacitive general flexible pressure patch. The piezoelectric bias capacitive general flexible pressure patch comprises, from top to bottom, a bias coupling electrode layer, and a piezoelectric bias module electrically connected with the bias coupling electrode layer; the piezoelectric bias module comprises a piezoelectric film and electrodes arranged on both sides of the piezoelectric film, and the electrodes comprise the bias coupling electrode layer arranged above the piezoelectric film and a first electrode layer arranged below the piezoelectric film; a pressure-capacitance conversion unit comprises a plurality of electrode layers arranged in a vertical direction and dielectric layers arranged between adjacent two electrode layers, and the dielectric layers comprise a plurality of micro-protrusions arranged at intervals; the uppermost electrode layer in the pressure-capacitance conversion unit is the first electrode layer, and the piezoelectric bias module and the pressure-capacitance conversion unit share the first electrode layer. The piezoelectric bias capacitive general flexible pressure patch is suitable for irregular surface application, pressure transmission is more uniform, and stable output can still be maintained in a humid, sweat, long-term contact environment.
Owner:ZHEJIANG UNIV
Air tightness detection device for battery box shell of new energy automobile
PendingCN119666245Asmall volumeGuaranteed detection accuracyFluid-tightness measurement using fluid/vacuumAutomotive batteryElectrical battery
The invention discloses a new energy automobile battery box shell air tightness detection device, and relates to the technical field of air tightness detection devices.The detection device comprises an operation frame, a new energy automobile battery pack is arranged on one side of the operation frame, and an air tightness leak detector is arranged on the other side of the operation frame; and a ventilation pipeline of the air tightness leak detector is communicated with a waterproof ventilation hole of the new energy automobile battery pack. The new energy automobile battery pack is provided with an adjusting assembly for shortening the voltage stabilization time to improve the detection efficiency. According to the air tightness detection device for the battery box shell of the new energy automobile, the volume of the test cavity is reduced, the temperature recovery time is shortened, the voltage stabilization time is further shortened, and the possibility that the production efficiency is affected due to the fact that the test beat is lengthened is reduced under the condition that the detection precision is guaranteed.
Owner:LIAN WEI AUTO PARTS CHONQGING
Pressure self-balancing regulating valve based on stress conduction of flexible elastic capsule
ActiveCN224380723Ureduce lossesExtended service lifeOperating means/releasing devices for valvesEqualizing valves
This invention provides a pressure self-balancing regulating valve based on the stress transmission of a flexible bladder, comprising a valve body, a differential pressure diaphragm core, a balancing plug, a compensating diaphragm, a dynamic flow stabilizing valve, a fine-tuning buoyancy ball, a buffer chamber, a flow resistance adjusting rod, and a pressure equalization resonant cavity. The valve senses the inlet and outlet pressure difference in real time through the differential pressure diaphragm core, driving the balancing plug and flow resistance adjusting rod to automatically adjust the flow cross-sectional area. The compensating diaphragm and dynamic flow stabilizing valve optimize the flow field, the fine-tuning buoyancy ball compensates for high-frequency disturbances, the resonant cavity suppresses pressure pulsation, and the buffer structure absorbs impact energy. It also integrates a sewage discharge filter and a flow guiding and pressure stabilizing structure, possessing advantages such as self-cleaning, low noise, energy saving, and no external power source required. The overall structure requires no electrical control, offers fast response, high precision, and strong anti-interference, effectively solving the problems of traditional pressure reducing valves such as lag, easy clogging, and poor flow stability.
Owner:WENZHOU RONGXIN TECH CO LTD
Vibrating device of tile tiling machine
The utility model relates to a ceramic tile tiling machine vibration device, and relates to the technical field of building equipment, the ceramic tile tiling machine vibration device comprises a shell, a holding rod connected to one side of the shell, a suction cup movably arranged in the shell and a base plate arranged at the bottom of the shell, the suction cup is arranged on the base plate, and a cavity used for forming negative pressure is defined between the suction cup and the base plate; the suction cup is connected with an adsorption mechanism used for driving the suction cup to adsorb ceramic chips, a mounting ring groove is formed in the shell, a connecting pipe is integrally connected to the edge of the base plate, the top of the connecting pipe is movably clamped in the mounting ring groove, and a vibration mechanism used for generating a vibration effect is mounted on the base plate. The vibration mechanism can drive the top of the connecting pipe to shake in the mounting ring groove, and a buffer assembly is arranged in the mounting ring groove. The vibration effect of the tile tiling machine is enhanced, meanwhile, the vibration influence on the hands of workers during equipment use is weakened, the operation comfort of the workers is improved, and the fatigue feeling is reduced.
Owner:NINGBO APOWER MECHANICAL&TECH CO LTD
Socket
ActiveCN224123563Uavoid shakingRealize the limit functionCouplings bases/casesElectrical connectionStructural engineering
The utility model relates to the technical field of sockets, in particular to a socket, which comprises a base, a plug bush assembly and an upper cover, an installation cavity is arranged on the base, the upper cover is connected with the installation cavity in a buckling way, the plug bush assembly is arranged inside the installation cavity, an abutting part is arranged on the inner wall of the upper cover, and when the upper cover is buckled with the installation cavity, the plug bush assembly is inserted into the abutting part. The socket is provided with a structure for limiting and fixing the plug bush assembly, so that the plug bush assembly is prevented from shaking in the socket when a plug is plugged into and pulled out of the socket, and stable electric connection is ensured.
Owner:王洪武