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408results about "Machine sealing rings testing" patented technology
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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
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
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 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
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
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
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
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
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
Rubber sealing ring performance detection equipment
ActiveCN121632574AMachine sealing rings testingMaterial strength using tensile/compressive forcesGear wheelElectric machinery
The invention discloses rubber sealing ring performance detection equipment which comprises a bearing structure, a driving unit, a testing assembly and a force application structure. The driving unit is fixedly arranged on the bearing structure, the testing assembly is fixedly arranged on the bearing structure, and the force application structure is fixedly arranged on the rear side of the bearing structure. Through collaborative design of a driving unit and a bearing structure, a first motor is used for driving a gear to perform meshing transmission, a driving disc is driven to synchronously adjust two pairs of moving seats which are arranged diagonally through an inclined shifting groove, and mounting of bearing rings with different diameters can be flexibly adapted; meanwhile, the pressing ring can be matched with the specification of the bearing ring through a quick disassembly and assembly structure of the locking arm and the clamping and locking unit to realize synchronous replacement, and the detection of the sealing rings with different diameters can be completed without disassembling the whole set of fixture, so that the equipment adaptation range is greatly expanded, and the equipment investment cost of multi-specification detection is reduced.
Owner:CHAOYANG JIAHUA ELECTRONICS
Marine electric cabinet silicone rubber sealing detection device
ActiveCN120253216AWeather/light/corrosion resistanceMaterial strength using tensile/compressive forcesMarine engineeringElectric machinery
The invention relates to a marine electric cabinet silicone rubber sealing detection device which comprises a simulation box, a cover plate covers the simulation box, two vertical plates are fixedly mounted at the upper end of the simulation box, a concentric-square-shaped plate is arranged between the two vertical plates, a lifting mechanism for lifting the concentric-square-shaped plate is arranged on the vertical plates, and two fixing plates are arranged in the concentric-square-shaped plate. Scales matched with the fixing plate are engraved on the concentric-square-shaped plate, a stretching mechanism used for stretching the fixing plate is arranged in the concentric-square-shaped plate, a clamping mechanism used for clamping silicone rubber is arranged on the fixing plate, and a detection mechanism used for detecting the surface of the silicone rubber is arranged in the concentric-square-shaped plate. The lifting mechanism comprises a through hole formed in the vertical plate, the concentric-square-shaped plate is in sliding connection with the through hole, a lifting screw is rotationally connected into the through hole, and a lifting motor is installed on the vertical plate. Compared with the prior art, all environments of the sealing element are simulated, the resilience force, the surface protrusion, the surface depression and the tensile deformation degree of the sealing element are detected, and the sealing detection effect on the sealing element is good.
Owner:DEZHOU HENGLI ELECTRICAL MASCH CO LTD
Abrasion test equipment for multidirectional dynamic loading sealing rubber ring
PendingCN119470112AEasy to assemble and disassembleeasy to replaceNuclear energy generationMachine sealing rings testingRubber ringClassical mechanics
The invention relates to the technical field of friction performance testing equipment, in particular to multidirectional dynamic loading sealing rubber ring wear resistance testing equipment which comprises a testing box, a base plate is arranged at the bottom of the testing box in a sliding mode through an adjusting rod, and a plurality of testing cylinders are installed on the top of the base plate in the length direction. A mounting plate is fixed between two opposite side walls in the test box, a plurality of rotating shafts are rotatably arranged on the mounting plate in a penetrating manner in the length direction, one end, penetrating through the mounting plate, of each rotating shaft extends into the test cylinder, and the bottom of one end, extending into the test cylinder, of each rotating shaft is in threaded sleeve connection with a sliding sleeve; an anti-rotation mechanism is arranged between the sliding sleeve and the testing cylinder, a second fixing sleeve is rotationally arranged on the outer side of the sliding sleeve, and a rubber ring positioning mechanism is arranged on the second fixing sleeve. The rubber ring friction testing device can conduct friction testing on a rubber ring in multiple modes, the testing mode of the rubber ring is expanded, and the range breadth of a testing result is improved; therefore, an accurate friction test result is obtained.
Owner:NANJING HAROLD HYDRAULIC FLUID TECH CO LTD
Device for testing gap pressure distribution of fixed gap cylindrical surface seal
ActiveCN119688282AMachine sealing rings testingFluid pressure measurementInternal pressureStructural engineering
The invention discloses a fixed gap cylindrical surface sealing gap pressure distribution testing device, and belongs to the technical field of cylindrical surface sealing test. The sealing device comprises a sealing stator assembly, a sectioning shaft sleeve assembly, a shaft sleeve driving assembly and a mounting seat assembly, the sectioning shaft sleeve assembly and the shaft sleeve driving assembly are both arranged on the mounting seat assembly; the split shaft sleeve assembly comprises a split shaft sleeve and a shaft sleeve clamping assembly used for clamping the shaft sleeve. The shaft sleeve is rotatably arranged on the mounting seat assembly; the shaft sleeve is sleeved with the sealing stator assembly, and a sealing gap is formed between the sealing stator assembly and the shaft sleeve; the shaft sleeve is controlled by a shaft sleeve driving assembly to realize axial movement and rotation; the testing device further comprises a sensor used for measuring pressure at the inlet and outlet of the sealing gap and internal pressure. According to the invention, based on the structural design which is simple and convenient to mount and dismount, the accurate test of the omnibearing pressure distribution of the fixed gap cylindrical surface sealing gap is realized.
Owner:ZHEJIANG UNIV OF TECH
Sealing element leakage-proof simulation device in alkaline electrolysis environment and simulation method of sealing element leakage-proof simulation device
PendingCN119714868AMeasurement of fluid loss/gain rateMachine sealing rings testingElectrolysisAir compressor
The invention relates to the technical field of sealing ring testing equipment, in particular to a sealing element leakage-proof simulation device in an alkaline electrolysis environment and a simulation method thereof.The sealing element leakage-proof simulation device in the alkaline electrolysis environment comprises a machine shell, a fixing cylinder is arranged on the machine shell, a sealing detection structure is arranged on the fixing cylinder, and a sealing element is arranged on the sealing detection structure. The fixing cylinder is connected with a pressure applying assembly arranged on the machine shell. A lifting assembly is further arranged on the machine shell, the lifting assembly is connected with a mounting disc arranged on the machine shell, and the mounting disc can be driven to move towards the fixed cylinder, so that a closed environment is formed in the fixed cylinder; the air compressor further comprises a linkage assembly arranged in the machine shell, the linkage assembly comprises a reciprocating structure and a driving part, the reciprocating structure can drive the driving part to rotate, the driving part can sequentially drive the lifting assembly and the pressure applying assembly to act when rotating, and when the pressure applying assembly acts, the pressure applying assembly can compress air in the fixing cylinder; by observing the sealing detection structure, the sealing performance of the sealing ring on the mounting disc can be judged.
Owner:FLUDA HYDROGEN ENERGY TECH (ZHENJIANG) CO LTD
Device and method for detecting performance of rubber sealing ring
ActiveCN120651436ADetection of fluid at leakage pointMachine sealing rings testingClassical mechanicsAir pump
The invention relates to the technical field of rubber sealing ring performance detection devices, and provides a rubber sealing ring performance detection device and method, the rubber sealing ring performance detection device is matched with a rubber sealing ring to form a corresponding detection function structure, the detection universality is better, the application environment simulation form of the rubber sealing ring is richer, and the practicability and the universality are remarkably improved. Comprising a detection mechanism and further comprises a main body mechanism, the main body mechanism comprises a main body frame, a mounting frame is fixedly connected to the main body frame, an upper position adjusting structure, a lower position adjusting structure and an electric telescopic rod are mounted on the mounting frame, and the electric telescopic rod provides operation power for the upper position adjusting structure and the lower position adjusting structure; the upper position adjusting structure and the lower position adjusting structure are provided with an upper adjusting pressing frame and a lower supporting bracket respectively, the detection mechanism comprises an annular frame, a camera and an air pump, the annular frame is rotationally connected into the main body frame, the camera is installed in the annular frame, a first servo motor is installed outside the main body frame, and the first servo motor is used for driving the annular frame to rotate.
Owner:HEBEI YOULIAN RUBBER PROD CO LTD
Pressure change detection mechanism of oil injection ring sealing ring assembly line
PendingCN119555368AGuaranteed pass ratequality improvementMachine sealing rings testingOptically investigating flaws/contaminationVisual inspectionStructural engineering
The invention belongs to the technical field of oil injection ring sealing ring assembly, particularly relates to a pressure change detection mechanism of an oil injection ring sealing ring assembly line, and solves the problem that the quality of a final product cannot be ensured as a pressure change test is not performed after the oil injection ring sealing ring is assembled. The pressure change detection mechanism of the oil injection ring sealing ring assembly line comprises a rack, a pressure change test bench and a visual detection bench are arranged on the rack, and the pressure change test bench is slidably connected to the rack and connected with a pressure test bench translation driving assembly. The visual inspection table can reciprocate between a material receiving position used for receiving the oil injection ring with the sealing ring assembled and a pressure change test position below the pressure test assembly, a transferring structure used for transferring the oil injection ring with the pressure change test completed to the visual inspection table is arranged between the visual inspection table and the material receiving position, and the visual inspection assembly is further arranged on the side of the visual inspection table. Effects of effective pressure change testing and visual inspection on the assembled oil injection ring are achieved, the automation degree is high, and the quality of a final finished product is guaranteed.
Owner:ANHUI ZHONGDING RUBBER PLASTIC PROD CO LTD
Testing device for underground sealing element
PendingCN121163847AWork measurementMachine sealing rings testingThermodynamicsMechanical engineering
The invention provides a testing device for an underground sealing element. The testing device comprises a detection part and an input part, a sealing cavity used for simulating the underground environment is formed in the detection part, and an assembling cavity used for assembling a sealing piece and a detection cavity used for detecting leakage are further formed in the detection part. Before the sealing element is assembled, the sealing cavity is communicated with the detection cavity through the assembling cavity. After the sealing element is assembled, the sealing cavity and the detection cavity are separated by the sealing element. The detection part can drive the sealing element to rotate so as to measure the torque of the sealing element. The output end of the input part communicates with the sealing cavity, and slurry under the preset pressure and the preset temperature can be conveyed into the sealing cavity through the input part so as to control the pressure and the temperature of the sealing cavity. And the detection part can also detect the existence condition of slurry in the detection cavity so as to measure the failure leakage condition of the sealing element. The underground environment and the working state of the sealing element can be simulated, so that a large amount of experimental data can be obtained, and the usable time of the sealing element can be accurately mastered in advance.
Owner:CHINA NAT PETROLEUM CORP +2
Pressure-bearing test equipment for rubber sealing element
InactiveCN119437909Aachieve pressure reliefInhibit sheddingMachine sealing rings testingMaterial strength using tensile/compressive forcesMechanical engineeringTest equipment
Owner:CHANGZHOU YILI FANGYUAN COMPOSITE MATERIAL TECH CO LTD
Multi-working-condition reciprocating sealing ring modular testing device
ActiveCN223021527UMachine sealing rings testingFluid pressure measurementStructural engineeringMechanical engineering
The utility model provides a multi-working-condition reciprocating sealing ring modularization testing device, which relates to the technical field of fluid transmission sealing and comprises a first end cover, a second end cover, a sealing testing block, a piston rod, a sealing shell and a pressure sensor. The sealing test block is arranged in the sealing shell; the middle end of the piston rod is in contact with the inner side wall of the sealing test block; a first mounting opening is formed in the center of the first end cover, the second end cover is arranged in the first mounting opening, the outer side wall of a boss of the first end cover is in contact with the inner side wall of the end part of the sealing shell, and the inner side wall of the boss of the first end cover is in contact with the sealing test block. According to the utility model, through the arrangement of the sealing test block and the sealing shell, the device can carry out rapid replacement test on sealing rings with different sizes and types under different working conditions.
Owner:YANSHAN UNIV
Device for applying and measuring friction torque of main sealing surface of graphite circumferential seal in zero-speed state
ActiveCN120467685AGas-turbine engine testingMachine sealing rings testingFriction torqueSpring force
The invention discloses a graphite circumferential sealing main sealing surface friction torque applying and measuring device in a zero-speed state, which comprises an excitation shaft, an excitation bearing, a tension spring force measuring assembly, a runway assembly, a transmission pin, a split graphite ring, a sealing seat assembly and a sealing cavity, one end of the tension spring force measuring assembly is connected with the supporting accessory, the other end of the tension spring force measuring assembly is connected with the runway assembly to provide tension, the transmission pin is arranged on the runway assembly, the extending end of the transmission pin can make contact with a circumferential static pressure groove of the split type graphite ring to transmit torque, the sealing cavity is fixedly installed on the supporting accessory, and the sealing seat assemblies are fixedly installed on the two sides of the sealing cavity. By using the tension spring assembly and the transmission pin, the friction torque of the graphite circumferential seal can be transmitted during high-frequency vortex excitation, so as to simulate the abrasion condition of the graphite ring anti-rotation groove and the spring groove caused by high-frequency excitation in the actual working condition, and explore the abrasion rule and the sealing performance of the contact type graphite circumferential seal device.
Owner:ZHEJIANG UNIV OF TECH
Creeping detection device for bearing sealing ring
The utility model discloses a rolling bearing sealing ring creeping detection device, and relates to the technical field of rolling bearing sealing ring creeping detection. The device comprises a base, a bearing seat, a shaft sleeve, a limiting block, a transmission shaft and other main components. Wherein the bearing seat is used for fixing a to-be-tested bearing, the shaft sleeve is marked with a circumferential angle mark for determining the rotation angle of the transmission shaft, the limiting block is used for limiting the axial position of the transmission shaft, one end of the transmission shaft is connected with the sealing ring clamping assembly, and the other end is connected with the force application assembly. The sealing ring clamping assembly is composed of a sealing ring base and a sealing ring gland and used for fixing the sealing ring. The force application assembly is used for simulating the creeping process of the sealing ring. According to the technical scheme, the wriggling condition of the bearing sealing ring is accurately detected, so that the detection stability and accuracy are ensured, the performance of the bearing sealing ring can be evaluated, and the design of the bearing sealing ring can be optimized.
Owner:LUOYANG LYC BEARING
Tension testing device for O-shaped rubber sealing ring
ActiveCN223940525UMachine sealing rings testingMaterial strength using tensile/compressive forcesPull forceTensile testing
The utility model relates to the technical field of rubber sealing rings, and discloses an O-shaped rubber sealing ring tension testing device which comprises a base, a mounting groove is formed in the right side of the top of the base, the surface of a lead screw is in threaded connection with a threaded block, and the left end of the top of the threaded block is fixedly connected with a first drag hook. A baffle is fixedly connected to the left side of the top of the base, a tension meter is arranged on the left side of the baffle, a second pull hook is arranged at the right end of the tension meter, a mounting block is fixedly connected to the left side of the top of the base, a threaded rod is in threaded connection with the interior of the mounting block, and a limiting block is fixedly connected to the inner side of the threaded rod. The installation block, the threaded rod and the like are arranged to be matched with the baffle for use, the threaded rod is rotated to drive the limiting block to be separated from the tension meter, locking of the tension meter is relieved, at the moment, a worker can replace the tension meter, operation is easy and convenient, the whole testing device does not need to be replaced, the use cost is reduced, and the worker can use the device conveniently.
Owner:LUZHOU CHANGJIANG HYDRAULIC SEAL CO LTD
Floating performance test platform for floating ring seal
PendingCN121702636ADetection of fluid at leakage pointMachine sealing rings testingDrive shaftElectric machinery
The invention belongs to the technical field of floating ring seal testing, and particularly relates to a floating ring seal floating performance testing platform which comprises a carrier plate, supporting plates are fixedly connected to the two sides of the bottom of the carrier plate, a base is arranged on the lower side of the carrier plate, and connecting plates are fixedly installed on the two sides of the top of the base. A support is installed on one side of the top of the carrying plate, a first servo motor is fixedly installed on one side wall of the support, a transmission shaft of the first servo motor movably penetrates through the support and is fixedly connected with a second positioning shell, and a fixing block is installed on the other side wall of the top of the carrying plate. In the testing process, a second lead screw motor is used for driving a second lead screw to rotate, so that a stirring piece can be driven to move in a reciprocating mode, oil liquid on the two sides can be stirred to be mixed, the oil liquid on the two sides in a first positioning shell and a second positioning shell is evenly mixed in the testing process, and the testing efficiency is improved. Therefore, the temperature of two sides is ensured to be consistent, and the test accuracy is prevented from being influenced by over-high local temperature.
Owner:AVIC POWER ZHUZHOU AVIATION PARTS MFG