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72 results about "Fixation test" patented technology

The complete fixation test (CFT) is used to detect the presence of specific antibodies in the patient’s serum. This test is based on the use of complement, a Biologically labile serum factor that causes the immune cytolysis i.e. lysis of antibody coated cells.

Device for measuring Seebeck coefficient and resistivity of semi-conductor film material

The present invention discloses a device used for measuring seebeck coefficient and electrical resistivity of semiconductor film materials at room temperature, wherein a thermopile and a heat conduction copper block having cold and heat terminals are integrated into a whole block, a cavum is formed at the lower part of the block, and an electric potential probe is deposited in the cavum. The seebeck electric potential detection points and the cold / heat ends thermocouple are deposited at the lower end of the heat conduction copper block; the electric potential probe, the detection points and the thermocouple are connected respectively to a gathering module; a reference resistor is connected in serial to a conversion switch and is also connected to the detection points; a constant current source is connected to the conversion switch; the conversion switch is connected to a data gathering module; the data gathering module is connected to a computer wherein gathered data is processed through a virtual instrument software to obtain the detection results. A detection platform is divided into two parts, wherein the upper part is used for fixing detection modules, and the lower part is used for supporting samples and has a screw used for lifting samples upwards to achieve a contact of samples and detection points. Said device is capable of perform a measurement of seebeck coefficient and electrical resistivity at the same time without destroying the thin film; furthermore, the measuring course is simple, and both the device lost and the testing cost are lower.
Owner:HUAZHONG UNIV OF SCI & TECH

Method and clamp for testing anti-stripping strength of cigarette water-soluble adhesive on cigarette paper

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

Reciprocating type micro-friction abrasion testing machine

The invention discloses a reciprocating type micro-friction abrasion testing machine and belongs to a micro-friction and abrasion testing device. The testing machine comprises a bottom plate, and a bracket, a driving device, a loading device, a positioning and clamping device and a signal conditioning and data acquisition device which are arranged on the bottom plate, wherein the bracket at least consists of two side plates which are longitudinally fixed on the bottom plate; a lower sliding rail seat and a top cylinder seat are at least arranged between the two side plates. An exciter serves as a power source, the equipment is small in size and has high driving force and wide amplitude and frequency variation range, the signal is provided by a signal generation card, multiple driving signals are provided, the frequency and the amplitude are convenient to adjust, and the testing machine is easily controlled by a computer program; meanwhile, a clamp system for a fixation test is simple in structure, reliable in clamping and convenient to mount, and tests in multiple friction pair contact forms can be realized by replacing the clamp. The designed testing machine is high in precision and convenient to operate and provides a reliable experimental instrument for research of micro abrasion.
Owner:NANJING BIO INSPIRED INTELLIGENT TECH

Residue soil improvement experimental device for shield method tunnel construction

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

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

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

Probe column, wafer testing seat and wafer testing system

The invention discloses a probe tower used for testing wafers, which comprises a circular body, a plurality of probe holes, a plurality of testing probes, a plurality of grounding holes, a plurality of grounding pins and a plurality of spacer rings, wherein the circular body is provided with an LCD testing area, an I / O testing area and an upper and a lower seats of the body; the probe holes are formed on the LCD and the I / O testing areas and vertically penetrate through the upper and the lower seats of the body; the testing probes are arranged in the probe holes so as to transfer testing signals passing through the circular body; the grounding holes are formed on the I / O testing area; the grounding pins are closely fitted in the grounding holes of the upper or the lower seat of the body and electrically conduct the circular body so as to ground the noise and the drain current of the adjacent testing probes; the spacer rings are made from insulation materials and are arranged on the ends of the probe holes so as to fix the testing probes on the circular body; and besides, the spacer rings electrically insulate the testing probes from the circular body.
Owner:KING YUAN ELECTRONICS

Production test fixture

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

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

Application test method, device and mobile terminal

The invention discloses an application test method executed in a mobile terminal. The application test method comprises the following steps: acquiring and displaying all the application packages in the mobile terminal; receiving selection of a tester on a random test mode or fixed test mode; if the tester selects the random test mode, receiving setting of the tester on random test parameters, generating a random test command according to the random test parameters, receiving selection of the tester on a tested application package, and executing the random test command on the test application package; if the tester selecting the fixed test mode, receiving selection of the tester on a fixed test command and selection of the tester on a blacklist application package, and executing the fixed test command on other mobile terminal application packages except the blacklist application; and recording test condition. Besides, the invention also discloses an application test device adopting the application test method and a mobile terminal comprising the application test device.
Owner:XIAMEN MEITU MOBILE TECH CO LTD

A system for testing and training joint function

The invention discloses a system for testing and training a joint function, which solves the problems that the prior art relies on doctors' sensory experience evaluation when evaluating joint function, thus leading to poor repeatability of test results and existence of many inaccurate results caused by human factors. A joint dynamometer for measuring moments of movement of a moving limb at variouspositions within a range of motion during articulation, A computer-controlled system, a test training feedback system, and a joint fixation device for fixing a tester's posture and connecting a tester's moving limbs to a joint dynamometer to ensure that the tester can complete an isokinetic muscle strength test in a prescribed posture. The invention can collect, store and display the mechanical data of the moment generated by the moving limbs in the movement range in the joint movement process, and combines the original mechanical data with the scientific research achievement to automaticallycarry out intelligent evaluation and analysis on the joint function of a testee, and provides a reasonable and scientific training scheme.
Owner:成都恩漫科技有限公司

Test equipment

The invention provides test equipment comprising a control module, an analysis module, a test module and a fixing module, wherein the control module is respectively electrically connected with the analysis module, the test module and the fixing module, and the analysis module is electrically connected with the test module; the control module is used for setting a test process of the test module, controlling the test module to test, and controlling the fixing module to fix a test sample; the analysis module is used for analyzing test data of the test module to acquire an analysis result; and the test module tests the test sample according to the test process set by the control module. As the test equipment provided by the invention is provided with the control module which can set the test process of the test module and control the test module to perform an automatic test of the development phase on the test sample, and simulates use habits of a user and test cases to perform the automatic loop test, a test result is beneficial to quantitative analysis, and labor cost is saved.
Owner:HUIZHOU TCL MOBILE COMM CO LTD

Device and method for determining surface tenacity of material

ActiveCN103364337ACompensate and improve anti-adhesionReduce easy adhesionUsing mechanical meansMaterial analysisTest sampleControl theory
The invention relates to a device and a method for determining the surface tenacity of a material. The device comprises a test environment, a first sample fixing bed, a second sample fixing bed, a temperature controller, a humidity regulator, a pressurization controller and a pressurization regulator, wherein the first sample fixing bed is arranged in the test environment and used for fixing a first test workpiece; the second sample fixing bed is arranged in the test environment, used for fixing a second test workpiece and opposite to the first sample fixing bed; the temperature controller is coupled with the test environment and is a device for controlling the temperature setting of the test environment; the humidity regulator is coupled with the test environment and is a device for controlling the humidity setting of the test environment; the pressurization controller is arranged in the test environment, and the pressure output end of the pressurization controller is coupled with the first sample fixing bed; the pressurization regulator is coupled with the pressurization controller so as to regulate the output pressure of the pressurization controller. By separating tensile forces (namely, tenacity L) of two test samples, the tenacity between two adjacent materials can be judged.
Owner:NIPPON PAINT CHINA

Device and method suitable for monitoring elevation change of bearing of turbo generator set

The invention discloses a device and a method suitable for monitoring the elevation change of a bearing of a turbo generator set. The device comprises testing devices, a communicating pipe network and a data acquisition device, wherein the testing devices are arranged on a tested bearing seat; the communicating pipe network comprises a total pipeline and a branched pipeline; each testing device is connected with the total pipeline through the corresponding branched pipeline and a tee joint; and the input ends of sensors inside the testing devices are all connected with the input end of the data acquisition device. The invention realizes the elevation measurement of a tested bearing by utilizing the testing mode of the communicating pipe network, enlarges the monitoring range of a system, enhances the testing precision, the economy of the system and conveniently and reliably fixes the testing devices, has convenient testing and high testing precision, meets the requirements for monitoring the elevation of bearings of various traditional large-sized turbo generator sets and has wide application prospect.
Owner:STATE GRID HENAN ELECTRIC POWER ELECTRIC POWER SCI RES INST

In-situ torque testing device for micro-nano scale materials and observing device

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

Manufacturing method of biological soil fixation test beam used for constructional engineering

The invention discloses a manufacturing method of a biological soil fixation test beam used for constructional engineering.The manufacturing method includes the following steps that materials are prepared, wherein the materials comprise longitudinal side plates, a bottom plate and end plates; 2, the longitudinal side plates, the bottom plate and the end plates are assembled; 3, a lightweight mold needed for cutting of geotechnical cloth is manufactured, and the geotechnical cloth is cut according to the size; 4, two transverse screws are detached; 5, the cut geotechnical cloth is placed in a rectangular model cavity, and sandy soil is added to a cavity defined by the geotechnical cloth; 6, the distance between the two longitudinal side plates is fixed through the two transverse screws; 7, bacteria are poured into a test piece, and the whole mold is placed in a chemical solution; 8, the rectangular biological soil fixation beam is formed after the reaction is completed.A large number of mechanical performance tests such as the anti-bending performance test need to be conducted on the beam which is produced through the method and needed for building a house before practical engineering application, basic data and scientific reference are provided for practical application of the technology, and safety and reliability of an infrastructure and the house are guaranteed.
Owner:重庆市綦江区全兴建筑工程有限公司

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
The invention relates to a visual concrete-structured reinforcing steel corrosion test device and an operation method of the visual concrete-structured reinforcing steel corrosion test device; the visual concrete-structured reinforcing steel corrosion test device disclosed by the invention comprises a test box and a box cover which can be covered with the test box in a sealing manner; both the test box and the box cover are made of a transparent material; transparent guide plates are arranged in the test box; the transparent guide plates are arranged in a staggered manner, so that the internal space of the test box is separated into zigzag spaces; a reference electrode fixing base for fixing a reference electrode and a test piece fixing base for fixing a test piece are arranged in the test box; the installation position can be changed through the test piece fixing base; the reference electrode and the test piece are connected with a test apparatus through a monitoring connection line respectively. When the visual concrete-structured reinforcing steel corrosion test device is used, the test piece fixing base fixed with the test piece is put at a proper position; then, a test solution is poured into the test box; different concrete conductivities are simulated by adjusting the purity and the liquid path zigzag length of the test solution; different concrete gap liquid hydrogen ion concentration pH values are simulated by adjusting the contents of calcium hydroxide, potassium hydroxide and the like in the test solution; the test method disclosed by the invention is simple; parameters are convenient to adjust.
Owner:NINGBO UNIVERSITY OF TECHNOLOGY

Rock fracturing high pressure gas adsorption test instrument and test method thereof

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

Synchronization controller for wheel pair speed of engine static-state test platform

The invention relates to a synchronization control device for wheel pair speed of a locomotive fixation test bed, and is characterized in that the invention comprises six pairs of axles arranged oppositely, and a synchronization control system. Each three pairs are connected into a mechanical synchronizing system. Each of the mechanical synchronizing systems is connected with a transmission system. The two transmission systems are connected with a dynamometer, respectively. The two dynamometers are connected with a load, respectively. The synchronization control system comprises a master governor, a secondary controller, two excitation controllers and two exciter circuits, which are connected in turn. The exciter circuits are connected with the two dynamometers, respectively. The invention can regulate the velocity control and synchronization control of the wheel pairs automatically in the locomotive fixation test, and has the characteristics of excellent following feature and small errors.
Owner:CRRC BEIJING ERQI LOCOMOTIVE CO LTD

Automatic release force testing device

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

Anti-haze window screening filtering effect testing device and testing method

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

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

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

A reciprocating fretting friction and wear testing machine

The invention discloses a reciprocating type micro-friction abrasion testing machine and belongs to a micro-friction and abrasion testing device. The testing machine comprises a bottom plate, and a bracket, a driving device, a loading device, a positioning and clamping device and a signal conditioning and data acquisition device which are arranged on the bottom plate, wherein the bracket at least consists of two side plates which are longitudinally fixed on the bottom plate; a lower sliding rail seat and a top cylinder seat are at least arranged between the two side plates. An exciter serves as a power source, the equipment is small in size and has high driving force and wide amplitude and frequency variation range, the signal is provided by a signal generation card, multiple driving signals are provided, the frequency and the amplitude are convenient to adjust, and the testing machine is easily controlled by a computer program; meanwhile, a clamp system for a fixation test is simple in structure, reliable in clamping and convenient to mount, and tests in multiple friction pair contact forms can be realized by replacing the clamp. The designed testing machine is high in precision and convenient to operate and provides a reliable experimental instrument for research of micro abrasion.
Owner:NANJING BIO INSPIRED INTELLIGENT TECH

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

Clamp tool for testing electrode free illumination appliances

A fixture for an electrodeless device test includes a master frame, an axis for mounting test subjects, a clamp, an axis fixing device and a power supply, among which, the master frame is composed of a frame plate, a first and second support part, the axis includes a mounting board part, an axial part and a hand, a hole is set in the mounting board with test assembly part through the hole, the axial part is formed extending from either end of the mounting board, the test subject mounting axis is plug into the first and second supports combined on the master frame, the clamp is fixed at the test assembly part in the mounting board, the axis fix device can fix the mounting axis from any angle, the power is fixed on the master frame board.
Owner:LG ELECTRONICS (TIANJIN) APPLIANCES CO LTD

Auxiliary fixing clamp for test joints

PendingCN109596868AStable and effective contactMeasurement instrument housingEngineeringCircuit breaker
The invention relates to an auxiliary fixing clamp for test joints. The auxiliary fixing clamp comprises a first clamp body, a second clamp body, a connection shaft, a clamping spring, a first elasticarm, a second elastic arm and a fixing device, wherein the first clamp body and the second clamp body are connected through the connection shaft; the connection shaft is sleeved by the clamping spring; two extension ends of the clamping spring respectively press the first clamp body and the second clamp body to ensure that the first clamp body and the second clamp body are located in a clamping state; the handheld ends of the first clamp body and the second clamp body are respectively connected with one end of the first elastic arm and one end of the second elastic arm; the other end of the first elastic arm and the other end of the second elastic arm are respectively connected with the fixing device; after the connection, an included angle formed by the clamping ends of the first elasticarm and the second elastic arm is smaller than 180 degrees; the fixing device is used for fixing test joints; and a through hole for the passing of the test joints fixed by the fixing device is formed in the connection shaft. The auxiliary fixing clamp is capable of ensuring that the contact between test joints and to-be-tested terminals on terminals strips is stable and effective during breakertest.
Owner:GUANGDONG POWER GRID CO LTD +1
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