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43 results about "Immobilization test" patented technology
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In the first test, the patient sits in bed with his or her legs outstretched while electromyograms are recorded from right and left anterior tibialis muscles for an hour (Suggested Immobilization Test [SIT]); in the second test, the legs are immobilized in a stretcher (Forced Immobilization Test [FIT]).
Comfortable diaper
Owner:THE PROCTER & GAMBLE COMPANY
Comfortable diaper
Owner:PROCTER & GAMBLE CO
Fall impact apparatus
InactiveUS6892564B2Easy to separateAcceleration measurementUsing mechanical meansDrop testsImmobilization test
Owner:UNIDEN
Method and clamp for testing anti-stripping strength of cigarette water-soluble adhesive on cigarette paper
PendingCN109060650AConvenient supplementGood varietyUsing mechanical meansMaterial analysisAdhesiveTest sample
The invention provides a method and clamp for testing the anti-stripping strength of a cigarette water-soluble adhesive on cigarette paper. The clamp comprises a straight line mechanism sliding through a linear bearing and an angle adjusting support mounted on the straight line mechanism. A sample strip supporting plate is hinged to the angle adjusting support and can forwardly and reversely rotate by 360 degrees on the angle adjusting support around a hinged point. The angle adjusting support is provided with a locking mechanism used for fixing the position of the sample strip supporting plate, and the sample strip supporting plate is provided with a clamping groove which is matched with testing sample strips in thickness and used for fixing the testing sample strips. According to the method and clamp, a good supplementing and perfecting effect is achieved for the limitation that only 90-degree and 180-degree anti-stripping strength of the adhesive can be measured, and particularly the cigarette production process can be well represented; after the water-soluble adhesive is used, an adhesive connecting face can be suffered by the actual strength of a non-90-degree stripping forcedestroy effect usually, and the important significance to improving technology progress is achieved in the cigarette industry is achieved.
Owner:CHINA TOBACCO HUNAN INDAL CORP
Residue soil improvement experimental device for shield method tunnel construction
InactiveCN102445395AConvenient Quantitative DetectionHigh reference valueFlow propertiesMaterial strength using steady shearing forcesCross connectionEngineering
The invention discloses a residue soil improvement experimental device for shield method tunnel construction, belonging to the technical field of shield method tunnel construction. The experimental device comprises a steel cylinder, stirring blades, a stirring shaft, a motor, a speed reducer, a torque meter, a test block fixing device, a test block and the like, and is partitioned into a test cylinder and a stirring device, wherein four improvement solution injection ports are formed; the stirring blades are uniformly distributed on the wall of the steel cylinder; four stirring blades are crossly connected to the stirring shaft; the tail end of one of the stirring blades is provided with a tool material test block fixing device; the test block is fixed at the tail end of the stirring blade of the test block fixing device; the left lower parts of a connector pipe and a connector pipe valve are connected with the steel cylinder; and the right lower part of a drain pipe valve is connected with the steel cylinder. In the device, the flow plasticity and shearing resistance of residue soil are quantitatively described by measuring the rotary torques of the stirring blades, the permeability coefficient of residue soil is measured by performing a permeation experiment, and the abrasiveness of residue soil on a tool is detected by measuring the abrasion loss of a tool material.
Owner:SHENYANG HEAVY MACHINERY GROUP
Deep-sea pipe-in-pipe mechanical transfer characteristic analysis experiment device
The invention relates to a deep-sea pipe-in-pipe mechanical transfer characteristic analysis experiment device, in particular to a device for analyzing mechanical transfer characteristics in the process of coiled tubing tripping into a deep-sea riser. When in experiment, a chain hoist 6 is opened, and an injection test assembly 9 clamps simulated coiled tubing to perform injection operation under the traction effect of a steel wire rope 7. The injection force of the simulated coiled tubing can be obtained by reading parameters of a tension compression sensor on the injection test assembly 9 in the injection process, the injection depth of the simulated coiled tubing can be obtained by reading parameters of a displacement sensor on the injection test assembly 9, the stress of the end of the simulated coiled tubing can be obtained by reading parameters of a pressure sensor inside a pipe end fixing test assembly 2, and the stress of a simulated riser can be obtained by reading parameters of a strain gauge on a pipe-in-pipe system 20. Finally obtained results can be used for analyzing mechanical characteristics of the coiled tubing tripping into the marine riser.
Owner:CHINA UNIV OF PETROLEUM (BEIJING)
Thin film material Seebeck coefficient measuring instrument
InactiveCN104111267AImprove reliabilityImprove test efficiencyMaterial heat developmentMeasuring instrumentContinuous dynamic
The invention relates to a measuring instrument in the field of thermoelectric performance tests, and especially relates to a thin film material Seebeck coefficient measuring instrument. The measuring instrument comprises a sample table, a temperature control system and a data collecting system. The sample table comprises a sample clamp and a base; wherein the sample clamp is divided into two parts, which are used to fix test samples and respectively named as the hot end and the cold end. The temperature control system comprises a sensor, a temperature controller, a relay, a heater, and a cooler, wherein the sensor, heater and cooler are all arranged on the sample clamp. The data collecting system comprises a gold electrode and a data collecting card. The provided Seebeck coefficient measuring instrument can measure the Seebeck coefficient of a thin film with a thickness more than 20 nm, can also measure the Seebeck coefficient of a block with a thickness less than 10 mm, is capable of carrying out continuous dynamic measurement at a speed of 10000 times / sec, and thus greatly improves the data reliability and measurement efficiency.
Owner:BEIJING SOLAR ENERGY INST
Creep test device and test method thereof
InactiveCN102589982AGuaranteed accuracyNo misalignmentMaterial strength using tensile/compressive forcesVernier scaleTest sample
The invention discloses a creep test device, which comprises a test bed frame. The lower side of the top portion of the test bed frame is provided with a fixing system for fixing a test sample. The fixing system is provided with a vernier caliper with a meter, and the lower portion of the fixing system is connected with a loading device. A test method utilizing the test device is further disclosed. The creep test device is simple to operate, easy to achieve and low in cost, maintains constant pressure by controlling weight of weights, utilizes the vernier capliper with the meter to ensure the progress of displacement measurement, and has the advantages of being intuitive, simple, easy to maintain and the like.
Owner:SHANDONG UNIV
Drainage asphalt mixture water permeability performance test device and test method thereof
InactiveCN105136645AIntuitive water permeabilityGood for evaluating water permeabilityPermeability/surface area analysisWater storageImmobilization test
The invention relates to a drainage asphalt mixture water permeability performance test device. The drainage asphalt mixture water permeability performance test device comprises a water storage cylinder, a tubular monitor made of a transparent material, a test mold for fixing a test piece and a water amount collector, wherein a water outlet pipe at the bottom of the water storage cylinder is connected with the upper end of the monitor, the lower end of the monitor is connected with an inlet pipe at the upper end of the test mold through a pipe and a connecting nut, the water amount collector is located right below an outlet pipe at the lower end of the test mold and is used for measuring the amount of water which permeates through the test piece, a first valve is installed on a pipe between the monitor and the test mold and a second valve is installed on the outlet pipe at the lower end of the test mold. The invention further provides a drainage asphalt mixture water permeability performance test method using the device. The drainage asphalt mixture water permeability performance test device and method have the advantages that the structure is simple, the operation is convenient to perform, the water permeability performance of drainage asphalt mixture under different rainfalls can be quickly, accurately and intuitively obtained, and a theoretical basis can be provided for the optimization design of the mixing ratio of the drainage asphalt mixture.
Owner:SOUTH CHINA UNIV OF TECH
Production test fixture
InactiveCN102175946ASimple structureLow costElectrical testingMeasurement instrument housingTest efficiencyBiochemical engineering
The invention relates to a production test fixture which belongs to the technical field of production test. In order to improve the test efficiency and lower the fixture cost, the production test fixture comprises a support plate, a perforated plate, a PCB and a plurality of testing pins, wherein the support plate is arranged below one end of the fixture for supporting a main board to be tested; the perforated plate is arranged under the support plate for fixing testing pins; the PCB (printed circuit board) is arranged below the perforated plate and is provided with a plurality of contacts; and the plurality of testing pins are respectively fixed in the perforated plate, one end of each testing pin keep contacts with a test point on the main board, and the other end keeps contact with the contact on the PCB during testing. By using the PCB as the substitute of testing box, the fixture can greatly reduce the product cost, and can further use the screen-printed wiring of the PCB as the substitute of the conductor wiring structure in the conventional process, thereby greatly simplifying the fixture structure, improving the testing efficiency, simplifying the testing process and shortening the entire production period.
Owner:SEAMON SCI BEIJING INT
Carbon fiber broken filament amount testing device
InactiveCN104677910AThe principle is simpleReduce productionMaterial analysis by optical meansYarnFiber
The invention provides a carbon fiber broken filament amount testing device. The carbon fiber broken filament amount testing device comprises a test chamber, a fixing mechanism, a testing mechanism and a control mechanism, wherein the fixing mechanism for fixing the testing mechanism is arranged in the test chamber; the two ends of the fixing mechanism are respectively supported by a supporting frame I and a supporting frame II; the testing mechanism comprises a carbon fiber creel, a porcelain eye, a yarn spreading roller I, a broken filament measuring mechanism, a yarn spreading roller II, a carbon fiber winding mechanism, and a motor; the carbon fiber creel, the porcelain eye and the yarn spreading roller I are sequentially arranged on the fixing mechanism; the broken filament measuring mechanism is arranged between the yarn spreading roller I and the yarn spreading roller II and comprises a portable microscope; the yarn spreading roller II and the carbon fiber winding mechanism are sequentially arranged on the fixing mechanism. The testing device is simple in principle, and low in manufacture, usage and maintenance cost; the testing method is simple, can be operated by testing personnel after quick training, and is safe and efficient in operation process.
Owner:HENGSHEN
In-situ torque testing device for micro-nano scale materials and observing device
ActiveCN105606459AEasy to twistEasy to testMaterial strength using steady torsional forcesMicroscopic imageMicro nano
The invention provides an in-situ torque testing device for micro-nano scale materials and an observing device. The in-situ torque testing device for micro-nano scale materials comprises a clamping unit, a loading unit and a signal detecting unit, wherein the clamping unit is used for clamping and fixing a tested sample (14) and comprises two chucks; the loading unit is used for driving the tested sample (14) to reverse, comprises a micro motor (1) for outputting torque and is connected with one end of the clamping unit; the signal detecting unit is used for detecting the magnitude of the torque applied to the tested sample (14) and is connected with the other end of the clamping unit. The in-situ torque testing device for micro-nano scale materials is small in size and simple in structure. The in-situ torque testing device for micro-nano scale materials also can be used together with a microscopic imaging instrument (such as a scanning electron microscope (SEM), an optical microscope (OM), and the like), so as to form the microstructure observing device.
Owner:香港城市大学深圳研究院
Visual concrete-structured reinforcing steel corrosion test device and operation method of visual concrete-structured reinforcing steel corrosion test device
ActiveCN103983565AClearly see rust changesOvercome the disadvantage of poor visibilityWeather/light/corrosion resistanceHydrogen-Ion ConcentrationsPotassium hydroxide
Owner:NINGBO UNIVERSITY OF TECHNOLOGY
Test Vessel, Test Strip, Test Kit, And Test Method
InactiveUS20100043574A1Reduce exposureSimpler and accurate testAnalysis using chemical indicatorsWithdrawing sample devicesImmobilization testEngineering
Owner:RENESSELAER POLYTECHNIC INST +1
Rock fracturing high pressure gas adsorption test instrument and test method thereof
InactiveCN109709017AImprove mining efficiencyImprove gas storage capacityMaterial strength using tensile/compressive forcesPermeability/surface area analysisImmobilization testHigh pressure
The invention discloses a rock fracturing high pressure gas adsorption test instrument and a test method thereof. The instrument comprises a pressure-bearing pressure head, a bearing limiting device,a constant temperature system, a pressure-bearing pedestal, a fixed unit for fixing and testing a rock test piece, a buffer gas tank, a helium storage tank, a test gas storage tank, an oil pump, an oil circuit, a gas pipeline, a gas-pressure meter and a gas switch. The pressure-bearing pedestal is provided with the constant temperature system and the fixed unit. The bearing limiting device, the fixed unit, the buffer gas tank, the oil pump, the gas-pressure meter, an upper air inlet switch and a lower air inlet switch are arranged in the constant temperature system. The oil pump is connected with the inner cavity of the unit main body of the fixed unit through an oil way. The helium storage tank, the test gas storage tank, a helium switch and a test gas switch are arranged on the externalportion of the constant temperature system. The buffer gas tank is connected to the helium storage tank and the test gas storage tank through helium and test gas pipelines, and the helium and test gaspipelines are provided with the helium switch and the test gas switch. The instrument and the method have characteristics that the structure is simple; assembling is convenient; and work is safe andreliable and so on.
Owner:CHANGZHOU INST OF TECH
Automatic test equipment for shearing force of scissors
InactiveCN105466800AAccurate recording of actual shear cutting forceAccurate assessment of shear performanceInvestigating machinabilityAutomatic test equipmentControl system
The invention discloses automatic test equipment for shearing force of a pair of scissors, which is characterized by comprising a hydraulic machine, a fixture used for fixing tested scissors, a servo motor used for conveying materials for test and a control system, wherein an oil cylinder connected with the hydraulic machine is arranged above the fixture, and the output end of the oil cylinder is arranged above the tested scissors. The invention provides the equipment which is intelligent and automatic and can accurately record the sharpness of blades, real-time shearing force, maximal shearing force and average shearing force can be displayed by a PLC program on a liquid crystal touch screen, and a curve chart can be finally formed to precisely record the actual shearing and cutting force of the blades. The automatic test equipment can carry out precision evaluation on the shearing performance of the scissors, so as to provide powerful data support for performance improvement of the blades.
Owner:SHANGHAI WORTH GARDEN CO LTD
Experiment apparatus for observing generation and development of concrete cracks
InactiveCN105445099AOvercome observationOvercome recordMaterial strength using tensile/compressive forcesImmobilization testEngineering
The invention discloses an experiment apparatus for observing the generation and the development of concrete cracks. The apparatus is used for real-time omnibearing observation and recording of the generation and development of the concrete cracks to provide guidance application of practical engineering. A technical scheme adopted in the invention is characterized in that the apparatus comprises a reaction frame (1) arranged in a frame structure, a bearer sample loading platform (6) for fixing a test beam member (5) is arranged n the reaction frame (1), the upper end and the lower end of the bearer sample loading platform (6) are respectively provided with a hydraulic device for applying pressure to the test beam member (5), the upper beam and the lower beam of the bearer sample loading platform (6) are respectively provided with a sliding rail (3), the hydraulic device can move along the sliding rail (3), the bearer sample loading platform (6) is provided with a camera (4) capable of monitoring the generation and development process of the cracks, the camera (4) is connected to a computer (11), and the bearer sample loading platform (6) is provided with a lime brush (9) and a lime bucket (10).
Owner:YULIN UNIV
Automatic release force testing device
InactiveCN105823726AConvenience detection testSimple structureUsing mechanical meansMaterial analysisPush pullImmobilization test
The invention relates to an automatic release force testing device which comprises a push-pull force assembly, a fixture, a template and a fixed test assembly, wherein an adhesive tape to be tested is placed on the template; the other end of the adhesive tape to be tested is bonded on the fixture; the fixture is connected with the push-pull force assembly; and the template is arranged on the fixed test assembly. Compared with the prior art, the automatic release force testing device is simple in structure and convenient to use, is capable of enabling the detection test of adhesive tape release force to be conveniently carried out, and is more accurate in detection results.
Owner:DENKEI TECH RANDD SHANGHAI CO LTD
Impact testing device and impact testing method using the same
Owner:HON HAI PRECISION IND CO LTD
Anti-haze window screening filtering effect testing device and testing method
PendingCN108169101AControllable mixing ratioTested and reliablePermeability/surface area analysisDiffusionLiquid state
The invention discloses an anti-haze window screening filtering effect testing device and a testing method. A relatively large end of a diffusion part is connected with an opening of a tubular body; arelatively end of the diffusion part is an air inlet hole; a clamping part is arranged in the middle of the tubular body; the clamping part is used for clamping and fixing a testing sample; the innercavity of the tubular body is partitioned into an upstream space and a downstream space far away from the opening by the testing sample; a negative pressure unit is arranged at one end far away fromthe diffusion part, of the tubular body; the negative pressure unit is communicated with the inner cavity of the tubular body through a first flowmeter; a pressure gauge for detecting air pressure ontwo sides of the testing sample is arranged inside the tubular body; one end of the pressure gauge is connected with the upstream space; the other end of the pressure gauge is connected with the downstream space. The testing device has the advantage of being simple in structure, and as different functional units are controlled and data are read by using a computer unit, the testing process can besimple and convenient. By adopting the testing device, three testing modes of mixing solid aerosol, liquid aerosol and solid-liquid aerosol can be achieved, and the mixing ratio of solid and liquid aerosol can be controlled.
Owner:GUANGZHOU FIBER PROD TESTING & RES INST
Testing system, testing method, testing structure and manufacturing method of thin film material
ActiveCN107063860AReduce special requirementsSimple uniaxial tensile testingMaterial strength using tensile/compressive forcesImmobilization testEngineering
The embodiment of the invention discloses a testing system, a testing method, a testing structure and a manufacturing method of a thin film material. The testing system comprises a support framework and tension equipment, wherein the support framework comprises fixing parts and a protecting strip; the fixing parts are positioned at both ends of the support framework, and the protecting strip is used for connecting the fixing parts at the both ends; the fixing parts and the protecting strip form a hollow structure in an enclosing way; the fixing parts at the both ends are used for fixing both ends of the testing structure; a clamp is arranged on the tension equipment, and is used for clamping the fixing parts at the both ends of the support framework and both ends of the testing structure to perform tension test. The testing system has the advantages that the single-axis tension testing of the thin film material is simple, and the special requirement on the tension equipment and the clamp is lowered.
Owner:NAT CENT FOR ADVANCED PACKAGING +1
Test instrument mounting support
ActiveCN103837185AAvoid damageImprove accuracyMeasurement apparatus componentsSemiconductor/solid-state device manufacturingImmobilization testEngineering
The invention provides a test instrument mounting support which is used for being placed in a clean cavity. The bottom of the clean cavity is provided with a wafer supporting device. The test instrument mounting support comprises an instrument mounting part and a supporting part. The supporting part is used for containing the wafer supporting device. The instrument mounting part is placed above the supporting part and is used for fixing a test instrument. During using, the instrument mounting part is used for mounting the test instrument, the supporting part of the test instrument mounting support is placed at the bottom of the clean cavity, and the wafer supporting device in the clean cavity is placed in the supporting part. Accordingly, under the condition that the wafer supporting device does not need to be moved, the test instrument is stably placed in the clean cavity, technology parameter testing in the clean cavity is carried out, and the problem that when the test instrument mounting support is mounted, the wafer supporting device is moved and mounted repeatedly, and accordingly parts in the clean cavity are damaged is effectively avoided.
Owner:SHANGHAI HUAHONG GRACE SEMICON MFG CORP
Vertical pulling-up test device and test method for chair
InactiveCN102539259AImprove securityThe test method is simple and fastMaterial strength using repeated/pulsating forcesImmobilization testEngineering
The invention discloses a vertical pulling-up test device and a vertical pulling-up test method for a chair. The test device comprises a test table, an installing support frame, a clamping component and a lifting mechanism, wherein the test table comprises a base and a support seat fixedly arranged on the base, the support seat bears the chair to be tested, the lifting mechanism is arranged on the installing support frame, and the clamping component is arranged on a movable component of the lifting mechanism. The test method comprises the steps of: fixing the chair to be tested and regulating the position of the clamping component so that the clamping component is clamped in the center part of the front edge of the chair to be tested; repeatedly and vertically exerting the force in the position to be tested of the chair to be tested, and judging that the chair to be tested passes the test if the chair to be tested deforms or fractures within the preset experiment times; and otherwise, judging that the chair to be tested does not pass the test. The test device and the test method have the advantages that the clamping component vertically exerts the force in the position to be tested of the chair to be tested, and the pulling-up resistance intensity of the chair can be inspected through repeated experiments for many times.
Owner:GUANGZHOU ACT INDAL
Wear-resistant and long-life guide rail test device and test method thereof
ActiveCN109283081AImproving Efficiency in Abrasion TestingHigh precisionInvestigating abrasion/wear resistanceTest efficiencyPresent method
The invention discloses a wear-resistant and long-life guide rail test device and a test method thereof. The wear-resistant and long-life guide rail test device comprises a machine frame; fixed platesare welded and fixed at two ends of the machine frame; the two fixed plates are each movably provided with a clamping component used for fixing a test guide rail; the two clamping components are separately fixed at two ends of a bracket through screws; a fixed sleeve is rotatably connected with the top of a first screw; a reciprocating screw is installed on the tops of the two fixed plates through a bearing; and a test sliding block is fixed on a reciprocating screw sliding block through a bolt. According to the wear-resistant and long-life guide rail test device and the test method thereof in the invention, to-be-tested guide rails different in length can be fixed through the clamping components; therefore, the wear-resistant test efficiency of the guide rail is easily increased; the height of the two clamping components is adjusted through the first screw; the friction force between the to-be-tested guide rail and the test sliding block is changed; the running time of the guide railin the test period can be counted through a photoelectric counter; and thus, the guide rail test precision is easily increased.
Owner:CHUZHOU OUBOTE ELECTRONICS MFG
Device for electrical measurement of target chemical substance, and method therefor
ActiveUS20180195986A1Improve reliabilityAvoid pollutionHeating or cooling apparatusLaboratory glasswaresElectricityElectrical connection
A device for electrical measurement of a target chemical substance includes: an electrode array element including a base, an electrode array section in which electrodes which are disposed on the base and to each of which a test substance is fixed or can be fixed are arrayed, and a terminal array section in which terminals disposed on the base so as to correspond to the electrodes and electrically connected to the electrodes are arrayed; a processing head having an electrode array element support section supporting the electrode array element detachably to make electrical connection to the terminals possible; a container group including a liquid storing section and a measurement container; a support section moving mechanism; and a measurement section capable of measuring a signal generated by applying a predetermined voltage to a test substance fixed to each of the electrodes in the measurement container.
Owner:UNIVERSAL BIO RESEARCH CO LTD
In situ torque testing device and observation device for micro-nano scale materials
ActiveCN105606459BEasy to twistEasy to testMaterial strength using steady torsional forcesMicroscopic imageMicro nano
The invention provides an in-situ torque testing device for micro-nano scale materials and an observing device. The in-situ torque testing device for micro-nano scale materials comprises a clamping unit, a loading unit and a signal detecting unit, wherein the clamping unit is used for clamping and fixing a tested sample (14) and comprises two chucks; the loading unit is used for driving the tested sample (14) to reverse, comprises a micro motor (1) for outputting torque and is connected with one end of the clamping unit; the signal detecting unit is used for detecting the magnitude of the torque applied to the tested sample (14) and is connected with the other end of the clamping unit. The in-situ torque testing device for micro-nano scale materials is small in size and simple in structure. The in-situ torque testing device for micro-nano scale materials also can be used together with a microscopic imaging instrument (such as a scanning electron microscope (SEM), an optical microscope (OM), and the like), so as to form the microstructure observing device.
Owner:香港城市大学深圳研究院
Test apparatus for tearing strength of sheep glove leather
InactiveCN108693033AFixed neatlyImprove test accuracyMaterial strength using tensile/compressive forcesImmobilization testEngineering
The invention provides a test apparatus for tearing strength of sheep glove leather and belongs to the technical field of machinery. The test apparatus solves the defects that test precision is influenced due to deficiency of unflatness of clamping. The test apparatus includes a pedestal, on which a first vertical rod and a second vertical rod are fixedly arranged and are located in parallel. A horizontal plate is disposed between the first vertical rod and the second vertical rod and is arranged on the upper parts thereof. A fixing mechanism for fixing the glove leather is disposed on the lower part of the horizontal plate. A fixing and testing mechanism for testing the tearing strength of the sheep glove leather and fixing the sheep glove leather is disposed on the pedestal. A clamping station is formed from the fixing mechanism and the fixing and testing mechanism and is used for clamping the glove leather. A finishing mechanism for fixing, flattening and ironing the glove leather is disposed on the first vertical rod. The test apparatus can clamp the glove leather flatly and is high in test precision.
Owner:HAINING SHANGYUAN LEATHER
Test bracket
InactiveCN102052931AExtended service lifeGuaranteed accuracyMeasurement apparatus componentsTest efficiencyImmobilization test
The invention discloses a test bracket for fixing a test core sampler. The test bracket is characterized by comprising a bracket body, a rotating shaft and a fixed clip, wherein one end of the bracket body is provided with two bracket feet, and one end of each bracket foot is provided with a rubber sleeve; one end of the rotating shaft is fixed at the other end of the bracket body; and the fixed clip comprises a fixed end and two pressed ends, wherein one pressed end is fixed at the other end of the rotating shaft. The test core sampler can be fixed through the test bracket, and the fixed test core sampler has no over high test force or over low test force, so accuracy of test results is ensured; multi-point test can be completed by a plurality of test brackets together; and meanwhile, the service life of the test core sampler can be prolonged more effectively, double hands of test personnel are released, and the test efficiency is improved.
Owner:SHENXUN COMP KUNSHAN
Gas layer reducing resistance type physical simulation testing device and testing method thereof
ActiveCN110033676AMeet the test conditionsAccurate measurement of continuous force changesHydrodynamic testingEducational modelsImmobilization testDynamometer
The invention discloses a gas layer reducing resistance type physical simulation testing device and a testing method thereof and belongs to the field of fluid resistance measurement. The gas layer reducing resistance type physical simulation testing device comprises a water / air supply system, a water / wind tunnel system and a force measurement system. The water / air supply system combines a high-pressure air tank with a high-pressure water storage tank, and a middle experimental section of the water / wind tunnel system is fixed to a mounting frame through a front supporting seat and a rear supporting seat. In the force measurement system, a test model is fixed at the front end of a force transfer rod, extends into an a cylinder in the experimental section and then extends out through a firstlinear bearing on a cover plate, and the rear end of the force transfer rod butts against a force measurement female tooth at the front end of a dynamometer through a force measurement male tooth. Thetest model is hindered by interaction with fluid, acting force generated by the fluid pushes the test model, and the force transfer rod transfers the acting force borne by the test model to the dynamometer, so that resistance data of the test model are obtained. The gas layer reducing resistance type physical simulation testing device is simple and compact in structure, easy to operate, low in cost, stable and reliable in test and convenient in replacement of experimental models, and overcomes the defects of long preparation period and huge investment of water / wind tunnel experiments.
Owner:SOUTH CHINA UNIV OF TECH
Heat penetration tester
InactiveCN101915777AGuaranteed connection reliabilityHigh precisionMaterial heat developmentTest powerEngineering
The invention discloses a heat penetration tester, which comprises a testing jig and an electrical appliance control box, wherein the testing jig comprises a lever arranged on the upper end of an upright post; one side of the lever is connected with a sliding pole, and a sliding seat is sleeved on the sliding pole; the bottom end of the sliding pole is connected with an impact head; an induction coil is winded on the outside of the impact head, and a micro thermocouple is arranged in the impact head; a test worktable for fixing a product to be tested is arranged below the impact head, and a temperature sensor is arranged in the test worktable; the underside of the other side of the lever is connected with an iron block, and the underside of the iron block is opposite to a micro electromagnet; and the electrical appliance control box is fixed on the upright pole, and a control module, a high-frequency current generator, a temperature module and a delay module are arranged in the electrical appliance control box. Due to the electromagnetic heating technique adopted by the invention, the volume of the impact head is small and heating is quick, so test waiting time is reduced; in addition, the impact head has a small test power and is environmentally-friendly, energy-saving and long in service life.
Owner:TAICANG RUIJIE EXPERIMENTAL INSTR MFG
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