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Performance testing device for piston rod sealing assembly
ActiveUS20240418603A1Detection of fluid at leakage pointFluid-pressure actuator testingStructural engineeringCylinder block
A performance testing device for the piston rod sealing assembly includes a bracket, a support apparatus, a drive apparatus and a leakage detection apparatus, where the support apparatus includes a cylinder body that is internally provided with a movable channel, and the movable channel is configured to allow a piston rod equipped with a sealing component to pass therethrough; the drive apparatus is provided on the bracket and configured to be connected with the piston rod; the leakage detection apparatus includes a limit member and an oil receiver, the limit member is provided with a detection channel and an oil channel and connected to the cylinder body, the detection channel is communicated with the movable channel and configured to allow the piston rod to pass therethrough; one end of the oil channels is communicated with the detection channel and the other end thereof is communicated with the oil receiver.
Owner:TSINGHUA UNIVERSITY
Fatigue resistance test device for automobile sealing strip
ActiveCN222379337UReduce testing costsShorten the test cycleMachine sealing rings testingFatigue testingTest bench
The utility model relates to an automobile sealing strip fatigue resistance test device, the test device is used for carrying out fatigue resistance test on a sealing strip on an automobile window assembly, and the automobile sealing strip fatigue resistance test device comprises a test bench; the fixing mechanism is arranged on the test board and is used for fixing the vehicle window assembly; the pressing and releasing mechanism comprises a driving assembly and a profiling part connected with the driving assembly, the driving assembly can drive the profiling part to repeatedly press the sealing strip, and the profiling part is provided with a profiling face matched with the surface of the sealing strip. According to the fatigue resistance test device for the automobile sealing strip, through cooperative arrangement of the test bench, the fixing mechanism and the pressing and releasing mechanism, the fatigue resistance test can be performed on the sealing strip on the automobile window assembly in a low-cost and high-efficiency manner, and the fatigue resistance test device has relatively good universality and compatibility.
Owner:FUYAO GLASS IND GROUP CO LTD
Sealing ring performance test system and method
InactiveCN119086047AImprove stabilityIncreased durabilityDetection of fluid at leakage pointMeasurement of fluid loss/gain rateCyclic testMechanical engineering
The invention provides a sealing ring performance test system and method. The sealing ring performance test system provided by the invention comprises a test tool which comprises an upper flange and a lower flange which are matched with each other, the lower flange is provided with a sealing groove and a leak detection hole communicated with the sealing groove, the sealing groove is formed in one side, facing the upper flange, of the lower flange and is used for installing a sealing ring to be tested, and the leak detection hole is communicated with the leak detection hole; one end of the leak detection hole is communicated with the sealing groove, the other end of the leak detection hole is used for detachably installing different performance testing devices, and the different performance testing devices comprise a cold and hot state leakage performance testing device, a water pressure performance testing device, a thermal cycle testing device and a stress relaxation testing device. The system and the method provided by the invention are used for testing the performance of the sealing ring and ensuring the sealing effect and the reliability of the sealing ring under the actual working condition.
Owner:NINGBO TIANSHENG SEALING PACKING
Flexible lid seal integrity sensor
ActiveEP3957968B1Fluid-tightness measurement by detecting dimension changeMachine sealing rings testing
A flexible lid seal detector incorporates a compression body having a cavity including a sensor. The detector has a distal end comprising a plurality of concentric compression rings surrounding the cavity. An outer-most ring is defined by outer and inner shaping rims. The distal end includes a recessed lid deflection volume defined by the inner rim and a distal surface of the compression body. The deflection volume may receive a portion of a flexible lid when at least one of the rings applies a compressive force thereto, thereby deforming the lid into the deflection volume. The deflection volume may include a second compression ring and its respective inner and outer shaping rims. A seal detector system may include the detector with a controller configured to receive data from the sensor for a predetermined period of time while the detector applies the compressive force to the lid.
Owner:TELEDYNE INSTRUMENTS INC
Device and method for testing performance of rubber sealing ring
InactiveCN119757392APreparing sample for investigationMachine sealing rings testingStructural engineeringMechanical engineering
The invention relates to the technical field of sealing ring performance testing, and discloses a rubber sealing ring performance testing device and method.The rubber sealing ring performance testing device comprises a side plate fixed to the top of a bottom plate, a rotatable mounting shell is mounted on the outer wall of the side plate, and a plurality of slidable supporting rods are mounted on the outer wall of the mounting shell; each supporting rod can be adjusted in a centripetal or centrifugal moving mode, and a groove allowing a rubber sealing ring to be embedded therein is formed in the end of each supporting rod. According to the device, the rubber sealing ring is intermittently stretched and contracted through the supporting rod, a photosensitive solution can be immersed into a small crack, the solution on the outer side of the crack is wiped through cleaning cotton, and then the detection part can perform image acquisition on the rubber sealing ring at the position more clearly; and the crack detection can find problems in an early stage, and leakage, pollution and equipment damage caused by sealing failure are prevented, so that the economic loss and the environmental influence are reduced.
Owner:JIANGSU MINGKE PRECISION RUBBER & PLASTIC TECH CO LTD
Sealing ring detection device
ActiveCN222393898UThe test result is accurateMachine sealing rings testingMaterial strength using tensile/compressive forcesTensile testingMechanical engineering
The utility model discloses a sealing ring detection device, and relates to the technical field of sealing ring production, and the key points of the technical scheme are that the sealing ring detection device comprises a mounting table, the side wall of the mounting table is provided with a movable groove, and the movable groove is internally and rotatably connected with a movable part; a stretching assembly used for carrying out a single-angle stretching test on the sealing ring is arranged in the movable part, an adjusting assembly used for adjusting the stretching test angle of the sealing ring is arranged on the mounting table and the movable groove, and the adjusting assembly comprises a first rotating shaft fixedly connected to the movable part; the first rotating shaft penetrates through the mounting table and is rotationally connected with the mounting table, a first knob is fixedly connected to the end, away from the movable part, of the first rotating shaft, the movable part is adjusted by rotating the first knob and the first rotating shaft, and the effect is that the mechanical property of the sealing ring can be evaluated more comprehensively; the reliability of the sealing ring in actual use can be predicted more accurately, and a more accurate detection result can be obtained.
Owner:HANGZHOU NEW STARTING POINT TESTING & CERTIFICATION CO LTD
Anti-deformation detection testing device for rubber sealing ring
ActiveCN119714869AMeasurement of fluid loss/gain rateMaterial strength using tensile/compressive forcesMechanical engineeringComposite material
The invention discloses a rubber sealing ring anti-deformation detection testing device, and relates to the technical field of sealing ring anti-deformation detection devices.The rubber sealing ring anti-deformation detection testing device comprises a processing box, a sealing detection mechanism is arranged above the processing box, and a stretching detection mechanism is arranged above the processing box; the sealing detection mechanism can detect the sealing performance of the rubber sealing ring by using power generated during operation of the deformation resistance detection device, and the stretching detection mechanism comprises a stretching detection unit which is arranged above the processing box; the tensile detection mechanism comprises a tensile detection unit and a discharge unit, the tensile detection unit can perform tensile detection on the rubber sealing ring by using power generated during operation of the deformation resistance detection device, and the discharge unit is arranged, so that the rubber sealing ring after detection can be automatically discharged by using the discharge unit, and the detection efficiency is improved. And by arranging the sealing detection mechanism, the stretching detection unit and the unloading unit, the detection items of the equipment during use can be increased.
Owner:CHAOYANG JIAHUA ELECTRONICS
Accelerated aging test device for rubber sealing ring
PendingCN119309989AFlexible control of compression deformationSimple structureWeather/light/corrosion resistanceMachine sealing rings testingRotational axisThermodynamics
The invention belongs to the technical field of aging life evaluation of rubber sealing elements, and relates to an accelerated aging test device for a rubber sealing ring. Comprising a motor driving and torque detecting system (1), a rotating shaft system (2), a rubber sealing ring testing system (3) and a device mounting bottom plate (4), the rubber sealing ring accelerated aging test device provided by the invention is relatively simple in structural form and convenient to operate, and can be used for carrying out an accelerated aging test of the rubber sealing ring, so that the compression deformation during assembly of the rubber sealing ring can be flexibly controlled; parameters such as medium temperature, pressure, part rotating speed, torque, revolution and the like which are consistent with or higher than those of an actual sealing structure can be controlled in the test process, and the aging and failure processes of the rubber sealing ring during working in a weapon equipment structure can be effectively simulated; and the effect of improving the accuracy of aging resistance evaluation and service life prediction of the rubber sealing ring is achieved.
Owner:AVIC BEIJING INST OF AERONAUTICAL MATERIALS
Sealing ring detection equipment
ActiveCN222419381UMachine sealing rings testingFluid-tightness measurement using fluid/vacuumDrive by wireWorkbench
The utility model provides a sealing ring detection device which comprises a workbench, the workbench is provided with a track groove and a round hole, and the workbench is provided with a feeding assembly, a limiting assembly, an ejection assembly and a detection assembly. The ejection assembly comprises a linear driving piece e, and a mounting groove is formed in the workbench. The linear driving part a drives the pushing plate to push the sealing ring in the track groove to the position above the round hole, the limiting block limits the sealing ring so that the sealing ring can be located above the round hole, the linear driving part e drives the supporting table and the inner column rod to move upwards, the inner column rod penetrates through the sealing ring, and then the sealing ring is driven to ascend. The sealing cover is driven to descend until the sealing cover covers the outer side of the sealing ring, at the moment, the sealing cover, the sealing ring and the inner column rod form a closed space, the airtight machine device carries out airtight detection on the sealing ring, and compared with manual disassembly and assembly of the sealing ring by workers, the operation is simple, the detection time is short, and the detection efficiency is improved.
Owner:SUZHOU PULIWANG INTELLIGENT TECHNOLOGY CO LTD
Sealing aging test device for multi-environment simulation
The utility model provides a sealing aging test device for multi-environment simulation. The sealing aging test device comprises an upper end cover, a lower end cover, a gasket, a to-be-tested sealing ring and a sealing ring, the gasket is arranged between each stage of lower end cover and the upper end cover, the to-be-tested sealing ring is arranged between each stage of lower end cover and the gasket, and the sealing rings are arranged between the gasket and each stage of upper end cover and between the middle upper end cover and the middle lower end cover; the end covers are connected through bolts, and the gaskets are in interference fit connection or threaded connection with the upper end covers; the end cover center hole channel forms a first flow channel, the outer side hole channel forms a second flow channel, and flow channel isolation is achieved through a sealing ring. The aging conditions of the sealing ring under different compression amounts can be tested by adjusting the thickness of the gasket, the influence of different unbalance loading forces on the aging performance of the sealing ring can be tested by adjusting the gradient of the first end face of the gasket, and the aging conditions of the sealing ring under different working conditions can be simulated by inputting media into the two flow channels. Multiple groups of upper and lower end covers can be continuously added in the device.
Owner:YANSHAN UNIV
Method to predict sealing element and bearing assembly remaining useful life using real-time drilling parameters
PCT designated stage expiredWO2025007212A1Machine bearings testingMachine sealing rings testingThermodynamicsWell drilling
A method for overall monitoring of a sealing assembly wear and / or failure where there is a recorded log of all operational parameters in the operational history of said sealing assembly to which said sealing assembly was exposed, said operational parameters comprising: hookload; fluid temperature; wherein each one of said operational parameters comprised in said recorded log is processed in the algorithm to determine a wear value of said sealing element, and wherein said wear value is a determination of the remaining operating life of said sealing element.
Owner:BEYOND ENERGY SERVICES & TECHNOLOGY CORP
Method for determining the condition of a mechanical seal
Owner:KSB SE & CO KGAA
Sealing ring inner diameter detection device and inner diameter detection method thereof
PendingCN120506870ANuclear energy generationMechanical counters/curvatures measurementsConical tubeGuide tube
The invention discloses a sealing ring inner diameter detection device and an inner diameter detection method thereof.The sealing ring inner diameter detection device comprises an outer taper pipe and a guide pipe, the guide pipe and one end of the outer taper pipe can be connected in an inserted mode, the outer circumferential face of the guide pipe is movably sleeved with a push pipe, the outer taper pipe is a pipe with the diameter gradually changing from small to large, and when the guide pipe and the outer taper pipe are connected in an inserted mode, the push pipe is inserted into the guide pipe. The small-caliber end of the outer taper pipe is arranged in the push pipe, scales are arranged on one side of the outer taper pipe side by side, and the outer taper pipe is sleeved with a sealing ring. The device is simple in structure and convenient to operate, can quickly and accurately measure the inner diameter of the rotary Glyd ring, and can detect the roundness, elasticity, wear degree, hardness and other performances of the rotary Glyd ring at the same time.
Owner:GUANGZHOU FLUID SEALING TECH
Rubber sealing ring compression performance detection device and detection method thereof
PendingCN119334770AHigh degree of automationImprove detection efficiencyMachine sealing rings testingMaterial strength using tensile/compressive forcesRubber ringCompression device
The invention discloses a rubber sealing ring compression performance detection device and a detection method thereof.The rubber sealing ring compression performance detection device comprises a tensile machine, a mechanical arm, a feeding device and a discharging device, the tensile machine, the feeding device and the discharging device are arranged in a delta shape, and the feeding device and the discharging device are arranged on the two sides in front of the tensile machine; the mechanical arm is arranged between the feeding device and the discharging device. Through positioning of the mechanical arm, the central point of the rubber ring coincides with the force application axis of the tensile machine after the rubber sealing ring is placed on the compression device, the situation that the stress on one side of the rubber ring is large and the stress on the other side of the rubber ring is small in the detection process is avoided, and then the detection repetition precision is improved. According to the method for detecting the compression performance of the rubber sealing ring, the automation rate of the whole process from to-be-detected rubber ring feeding to detection completion and recovery is 100%, and the beneficial technical effects that the detection efficiency is high, and the influence of human factors in the detection process is small can be achieved.
Owner:CHENGDU HOLY AVIATION SCI & TECH CO LTD
Sealing ring assembling equipment and sealing ring assembling system for assembling automobile water tank pressure cap
The invention provides sealing ring assembling equipment and an assembling system for assembling a pressure cap of an automobile water tank, which are characterized in that a sealing ring assembling mechanism comprises a sealing ring feeding unit for storing and outputting directionally arranged sealing rings; the sealing ring detection unit is used for carrying out visual detection on the sealing ring and judging whether the sealing ring has defects or not; the sealing ring oiling unit is used for oiling the sealing ring; the sealing ring assembling unit is used for sleeving the oil-coated sealing ring on the semi-finished product of the automobile water tank pressure cap; and the sealing ring carrying unit is used for carrying the sealing rings without defects from the sealing ring feeding unit to the sealing ring oiling unit and carrying the oiled sealing rings from the sealing ring oiling unit to the sealing ring assembling unit, and the grabbing mechanism is used for carrying the semi-finished automobile water tank pressure caps. In conclusion, the equipment and the system can achieve efficient and accurate assembly of the sealing ring.
Owner:CENMOY AUTOMATION TECH SHANGHAI CO LTD
Device and method for detecting sealing performance of rubber sealing ring
The invention relates to the technical field of sealing performance detection, in particular to a rubber sealing ring sealing performance detection device which comprises a workbench, a fixed disc and a fixed cylinder which are symmetrically arranged at the top end of the workbench, a detection mechanism arranged on the fixed disc, a rack fixedly installed on the fixed disc and a detection cylinder arranged on one side of the rack. The detection cylinder is of a hollow structure, a detection carrying disc is arranged at the position, close to the top end, in a cavity of the detection cylinder, a piston plate is arranged in the middle of the cavity of the detection cylinder, a digital pressure gauge is arranged on a cylinder body of the detection cylinder and used for reading the pressure value in the detection cylinder, and a to-be-detected sealing ring is automatically taken through an air bag layer in the material taking mechanism. After material taking, the sealing ring is placed in the detection port of the detection mechanism, piston motion is carried out in the detection cylinder of the detection mechanism, whether the sealing ring is qualified or not is judged by observing the numerical value of the digital pressure gauge, and the detection mode does not need any additional gas and does not have the problems of resource waste and potential safety hazards.
Owner:SHENZHEN PUT THE RUBBER IND CO LTD
A performance testing device for hydraulic cylinders
ActiveCN118794680BMachine sealing rings testingVibration testingHydraulic cylinderClassical mechanics
The present invention relates to the technical field of hydraulic cylinders, and in particular to a performance testing device for a hydraulic cylinder, comprising a housing, a micro-vibration motor, and a blow plate, etc.; the housing is provided with a switch door, the housing is provided with a partition plate, the housing is connected to a hydraulic cylinder, the hydraulic cylinder is fixedly connected to a micro-vibration motor, and the housing is fixedly connected to a blow plate. The present invention blows out air through the blow plate to raise the sand on the right side of the partition plate, simulating the environment in the desert, and vibrates the telescopic rod of the hydraulic cylinder through the micro-vibration motor to simulate the vibration of the hydraulic cylinder when pushing an object to move, thereby detecting the wear resistance of the dust ring or sealing ring of the hydraulic cylinder, and avoiding the problem of hydraulic cylinders that are easily worn out flowing into the market.
Owner:NANTONG SHENGHENG MECHANICAL & ELECTRICAL MFG CO LTD
Large-size sealing ring automatic feeding detection device and detection method
The invention relates to the technical field of sealing ring detection, in particular to a large-size sealing ring automatic feeding detection device and detection method.The large-size sealing ring automatic feeding detection device comprises two sets of elastic traction structures which are installed on a transfer part, and supporting sleeve parts penetrating through the transfer part are installed on the elastic traction structures in a sliding mode; the coaxial wheel sets are rotationally mounted on the two sides of the supporting sleeve piece; the side plate is fixedly installed on the transfer part, a driving plate is installed on the side plate in a sliding mode, a guide groove and a driving groove are formed in the side plate and the driving plate respectively, and a coaxial wheel set can roll in the guide groove and the driving groove; when the driving plate moves upwards relative to the side plate, the supporting sleeve part can be conveyed to the middle of the clamping wheel, and when the clamping wheel is separated from the transfer part, the clamping wheel can push the supporting sleeve part to move reversely and enable the sealing ring to be arranged on the clamping wheel in a sleeving mode, so that the phenomenon that the clamping wheel is disengaged when the rubber ring is tensioned is prevented, and the service life of the sealing ring is prolonged. And the transferring stability of the rubber rings is improved.
Owner:常州市五源塑胶有限公司
Electromechanical detection device with adjusting structure
PendingCN119958770ADetection of fluid at leakage pointMachine sealing rings testingCylinder blockMechanical engineering
Owner:TECH CENT OF GUANGZHOU CUSTOMS
Shield tunneling machine cutter running-in machine
PendingCN119413421AImprove efficiencyImprove detection qualityMachine sealing rings testingStructural engineeringMachine
The invention relates to a cutter running-in machine of a shield tunneling machine, which belongs to the technical field of shield tunneling machines and comprises a base, a mounting seat, a cutter running-in testing device and a cutter mounting device, a fixed mounting frame is arranged at the top of the mounting seat; the cutter running-in testing device comprises a driving part arranged on the fixed mounting frame and an executing mechanism connected with the driving part, and the driving part can drive the executing mechanism to drive the cutter ring to rotate; the tool mounting device comprises a directional moving assembly arranged at the top of the base, a tool assembling seat is arranged at the top of the directional moving assembly, the directional moving assembly can drive the tool assembling seat to perform directional displacement, and the tool running-in testing device is matched with an executing mechanism through a driving part arranged on a fixed mounting frame. The cutter ring can be stably and efficiently driven to rotate, so that the running-in test of the cutter is realized, and the non-uniformity and instability in the traditional running-in detection are avoided.
Owner:SHENZHEN HUARUITONG TUNNEL MASCH CO LTD
Abrasion test device for reciprocating dynamic seal of actuator cylinder
ActiveCN120908020AMachine sealing rings testingInvestigating abrasion/wear resistanceAviationWear testing
The invention discloses a wear test device for reciprocating dynamic sealing of an actuator cylinder, and belongs to the technical field of actuator cylinder sealing wear test equipment.The wear test device comprises a main frame body and a test mechanism movably connected to the main frame body, a replaceable to-be-tested actuator cylinder structure is arranged on one side of the main frame body, and the test mechanism comprises a moving rod; the upper end and the lower end of the moving rod are provided with a limiting assembly and a counterweight assembly respectively, the moving rod is provided with a connecting piece, and the connecting piece is hinged to one end of a piston rod in the actuator cylinder structure to be tested. According to the method, the conventional motion of the output end of the actuator cylinder in a static state and the external non-axial acting force borne by the output end of the actuator cylinder in a dynamic state can be simulated, the reliability of the sealing ring in actual work can be comprehensively evaluated through combination of the two, verification is carried out from multiple dimensions, potential risks can be found, and the requirements of safety specifications in the fields of aviation, industry and the like are better met.
Owner:SHENYANG TUNAN INTELLIGENT MFG CO LTD
Rubber sealing ring accelerated aging test method for simulating aero-engine service environment
ActiveCN119322010AGas-turbine engine testingWeather/light/corrosion resistanceThermodynamicsAccelerated aging
The invention belongs to the technical field of aging life evaluation of rubber sealing elements, and relates to a rubber sealing ring accelerated aging test method for simulating the service environment of an engine. The method is composed of two test steps of accelerated aging of a simulated parking environment and accelerated aging of a simulated working condition environment, and a cycle test method of'high-temperature pressing + cooling pressure relief 'sub-cycle is nested in the step of accelerated aging of the simulated working condition environment. The method is used for aging law research and life prediction of the rubber sealing ring in simulating the service environment of an aero-engine, and comprehensively considers the environmental influence of the rubber sealing ring in two states of parking and working in the service process of the aero-engine. The aging process and mechanism of the rubber sealing ring in the service environment of the aero-engine can be well simulated through the test mode and the magnitude of related condition parameters, and the aging rule of the rubber sealing ring applied to the aero-engine can be more accurately obtained and serves as a basic test means for predicting the service life of the aero-engine.
Owner:AVIC BEIJING INST OF AERONAUTICAL MATERIALS
Strength detection equipment for rubber sealing ring
ActiveCN222938892UMachine sealing rings testingMaterial strength using tensile/compressive forcesScrew threadMechanics
The utility model discloses strength detection equipment for a rubber sealing ring, and relates to the technical field of strength detection of rubber sealing rings. The device comprises a rectangular bottom plate, wherein a limiting mechanism and a fixing mechanism are arranged on the rectangular bottom plate; two supporting plates are fixedly connected to the top of the rectangular bottom plate, a two-way threaded rod is rotationally connected between the two supporting plates, the right side of the two-way threaded rod rotationally penetrates through the outer wall of the supporting plate located on the right side and extends to the outer side, and two moving blocks are connected to the outer wall of the two-way threaded rod in a threaded mode. According to the utility model, through the arrangement of the limiting mechanism, the problems that the deviation of an initial measurement point is caused by inconvenience in accurate alignment and limiting, and the deviation is amplified in the stretching process, so that the finally measured stretching length data is inaccurate, and the actual stretching performance of the sealing ring is inconveniently and truly reflected are solved.
Owner:JIANGSU HYDROGEN NEW ENERGY TECH CO LTD
Soft sensor and method for estimating the frictional power of a mechanical seal, and pump thereof
The invention relates to a soft sensor (20) for estimating the frictional power (L) of a mechanical seal (1). This sensor has a data interface (21) for receiving data signals (S). n , S T1 , S T2 ) to a ring temperature (T1) of a sliding ring (2) or counter ring (3) of the mechanical seal (1) and a medium temperature (T2) of the conveyed medium (F) on the side of the mechanical seal (1) facing the sliding ring (2) and outside a sealing gap (4) between the sliding ring (2) and the counter ring (3), each configured as an input variable to the soft sensor (20). The soft sensor (20) includes an evaluation unit (22) for estimating the frictional power (L) by evaluating the data signals (S n , S T1 , S T2The evaluation device (22) comprises an evaluation model including a heat flow model (M3), wherein the heat flow model (M3) is configured to describe heat flows in the mechanical seal (1) based on a temperature difference between the ring temperature (T1) and the medium temperature (T2), and the evaluation model is configured to infer the frictional power (L) from the heat flows. The invention also relates to a pump and a method for determining the frictional power.
Owner:HERBORNER PUMPENFAB J H HOFFMANN
Seal monitoring apparatus
A seal monitoring apparatus is provided. The seal monitoring apparatus includes one or more pressure sensors and a controller in communication with the one or more pressure sensors. The one or more pressure sensors is mounted at a seal of a turbine to measure pressure on a first side of the seal and / or a second side of the seal. The controller is configured to receive pressure data from the one or more pressure sensors and determine a condition of the seal based at least in part on the pressure data. The controller is configured to output a signal upon determining a change in the condition of the seal.
Owner:GENERAL ELECTRIC CO
Sealing performance detection device suitable for linear guide rail rubber sealing element
The invention discloses a sealing performance detection device suitable for a linear guide rail rubber sealing element, relates to the technical field of sealing performance detection, optimizes a linear guide rail function test process, and is specifically characterized in that two to-be-detected workpieces are arranged on two sides of an action crankshaft, and a plurality of eccentric action positions are arranged on the action crankshaft; the device is mainly used for limiting the setting positions of a rotating point A and a connecting point B, so that one end of a pneumatic connecting rod performs eccentric rotation action through an action crankshaft, and application requirements of different stress directions can be simulated when a workpiece to be tested is maintained to slide horizontally. The method is mainly used for shortening test time consumption, and has the key content that a current value of a driving motor assembly is used as a basic reference condition, and an error ratio obtained by calculating a pressure value, a temperature value and a vibration frequency is used for performing complementary analysis; therefore, the state of the sealing performance is judged.
Owner:WUXI HUAYAN BEARING SEALING PARTS CO LTD
Electroplating fixture, electroplating device, and electroplating fixture detection method
PCT designated stage expiredWO2025112883A1CellsMachine sealing rings testingMechanical engineeringMaterials science
An electroplating fixture, an electroplating device and an electroplating fixture detection method. The electroplating fixture comprises a holding cylinder and a sealing ring, wherein the inner wall of the holding cylinder is provided with an annular boss configured to support a wafer; the sealing ring wraps the annular boss and extends from the annular boss to the cylinder wall of the holding cylinder; and a gas channel is provided in the cylinder wall of the clamping cylinder, the opening of the gas channel is arranged at the position where the clamping cylinder is wrapped by the sealing ring, and whether the sealing ring is damaged can be determined by pumping gas through the gas channel. The electroplating fixture can be used for reliable wafer electroplating.
Owner:ACM RES (SHANGHAI) INC
Rubber O-shaped ring compression stress relaxation test device
The invention discloses a rubber O-shaped ring compression stress relaxation test device which comprises an O-shaped ring mounting base, four circles of annular grooves are sequentially formed in the center of the O-shaped ring mounting base from outside to inside, a rubber O-shaped ring is arranged in the fourth circle of annular groove, a gasket is arranged above the rubber O-shaped ring, a force measuring sensor is arranged on the gasket, and the force measuring sensor is connected with the O-shaped ring mounting base. The force measuring sensor is tightly connected with the O-shaped ring mounting base through a fixing piece and a plurality of counterbores; the force measurement sensor is in wireless or wired connection with the data acquisition system; two flow guide holes and a temperature measuring hole are formed in the groove bottom of the second ring of annular groove, a temperature measuring sensor is inserted into the temperature measuring hole, the head of the temperature measuring sensor penetrates into the second ring of annular groove, and the tail of the temperature measuring sensor is connected with a thermodetector through a temperature measuring data connecting line; the oil temperature machine is communicated with the two flow guide holes through an oil conveying pipeline, and an oil pump is arranged on the oil conveying pipeline. The environment temperature of the rubber O-shaped ring can be controlled, and the actual working condition of the rubber O-shaped ring in lubricating oil can be simulated.
Owner:ZHEJIANG UNIV OF TECH
Seal ring inspection method and seal ring inspection device
To provide an inspection method and an inspection device of seal rings that can suppress erroneous determination.SOLUTION: An inspection method of seal rings inspects a seal ring attached to a groove portion formed on a peripheral surface of a shaft member. The inspection method comprises: a detection step which rotates the shaft member around a center axis with the seal ring attached, and detects a first abutment clearance and a second abutment clearance of the seal ring; a measurement step which measures a first width dimension along the circumferential direction of the first abutment clearance and a second width dimension along the circumferential direction of the second abutment clearance; and a determination step which compares the first width dimension with second width dimension, and determines that the seal ring has an abnormality when a difference between the first width dimension and the second width dimension is larger than a first reference value.SELECTED DRAWING: Figure 9
Owner:JATCO LTD
Method for Determining the Wear Volume of a Sliding-Ring Seal in Singular Wear Events by Means of High-Temporal-Resolution Temperature Measurement
PendingUS20250216293A1Engine sealsThermometers using value differencesHigh temporal resolutionMechanical engineering
A method for determining wear volume of a mechanical seal includes measuring a temperature at a seal face or seat of the mechanical seal with high temporal resolution. An area under a function of a measured temperature profile in a case of short-term temperature changes which are less than 60 s, compared with a normal temperature, which corresponds to a temperature profile of a mechanical seal without wear, is determined by measuring the temperature profile with subsequent integration of a function of the measured temperature profile. The area being multiplied by a mechanical seal-specific factor in order to calculate the wear volume.
Owner:KSB SE & CO KGAA