72 results about "Fixation test" patented technology

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.