45results about How to "Contrastive" patented technology

The invention provides a method and a device for processing and displaying network access speed information. The processing method includes that terminal data which are sent by each terminal and comprise the network access speed information are acquired; the terminals are sequenced according to the network access speed information in the terminal data so as to generate overall network speed sequence data, and the network speed sequence data comprise the network access speed information and rank of each terminal; and a part of network speed sequence data is extracted from the overall network speed sequence data and back fed to a corresponding terminal, and the part of network speed sequence data comprises network speed sequence data of the corresponding terminal.

The invention relates to the technical field of experimental equipment, specifically to a water inrush and sand bursting simulation experiment apparatus. The water inrush and sand bursting simulation experiment apparatus comprises an experiment case, a first steel plate, a first moving steel plate and a first control mechanism, wherein the first steel plate is arranged in the experiment case, the first moving steel plate is arranged on the first steel plate, and the first control mechanism is in transmission connection with the first moving steel plate. The water inrush and sand bursting simulation experiment apparatus controls communication and staggering of first diversion holes at any time, namely opening and closing of a seepage channel, and the motion quantity of the first moving steel plate is controlled to control the communication area of the seepage channel. In this way, complete closing to complete opening of the seepage channel in the scope can adjusted at will to adjust the opening degree of the seepage channel, simulation of seepage of different magnitude can be simulated according to real situation, and simulated situation is more similar to actual situation. The simulation result is diversified and comparable, so that more accurate experiment results can be obtained.

The invention relates to an electric arc length measurement device and a measurement method thereof and belongs to the technical field of electric arc welding. Through the electric arc length measurement device and the measurement method thereof, the problems that the electric arc length cannot be measured directly and the measurement result is inaccurate in the prior art are solved. The electricarc length measurement device disclosed by the invention comprises an electric arc generation device, a transparent tape graduation device and a high-speed camera, wherein the transparent tape graduation device is arranged on one side of a nozzle of the electric arc generation device and is parallel to the axis of the electric arc generation device; the high-speed camera is arranged in the presetposition of the surface, opposite to the nozzle of the electric arc generation device, of the transparent tape graduation device. After being powered on, the electric arc generation device generates the electric arc at the nozzle through an electrode. The transparent tape graduation device is used for measuring the electric arc length. The electric arc length measurement device provided by the invention can directly measure the length of the electric arc and is little affected by electromagnetic interference, and the measurement result is accurate. According to the measurement result, an execution mechanism can be made to more stably control the electric arc length during welding, weld penetration is more uniform, and the defects of incomplete welding penetration and the like are avoided.

The invention relates to a water absorbability detection device ,and in particular relates to a detection device for the water absorbability of mosaic ceramic tiles. Aiming at solving the technical problems, the invention provides the detection device for the water absorbability of the mosaic ceramic tiles, which has an accurate detection result. In order to solve the technical problems, the detection device for the water absorbability of the mosaic ceramic tiles, provided by the invention, comprises a placement frame, a clamping block, a tripod, hard pipes, cylinder bodies, a piston, a connecting rod, a placement plate, a rotary rod, a second slide block, a second slide rail, a swinging rod, a second bracket, a second pull wire, a fixed pulley wheel, an electric wheel, a first slide rail, a first pull wire, a first slide block, a spring and a first bracket; the cylinder bodies are arranged at left and right ends of the top of the first bracket; the hard pipes are arranged at the outer tops of the cylinder bodies. By adopting the rotary rod, the rotary rod rotates along with the weight change of the placement frame, and the water absorbability sizes of a first ceramic tile and a second ceramic tile can be indirectly compared, so that whether the inherent quality of the first ceramic tile and the second ceramic tile is good or not is detected.

The invention relates to a test method for a crop root development test observation room. Parallel tests of crop root systems are carried out in the observation room, and gravity water and combined water at different depths are extracted, so that the water and fertilizer condition research is carried out. The observation room is a basement, and a plurality of planting pipes, a gravity water collecting system and a combined water extracting system for the parallel tests are arranged in the basement; the tops of the planting pipes correspondingly penetrate through reserved holes formed in the top of the basement and are fixed to the ground, and the bottoms of the planting pipes are arranged in the basement through a support; the gravity water collecting system and the combined water extracting system are all arranged on a wall of the basement. The method has the advantages that the structural design is reasonable and installation is convenient, the crop growth space and the soil environment can be controlled, and growth requirements of the root systems can be met. Meanwhile, the parallel tests and research about the water and fertilizer condition of the gravity water and the combinedwater under different depths can be carried out, soil is convenient to replace, and comprehensive research can be conducted by applying a plurality of research methods.

The invention provides a tunnel monitoring measuring device for aiming at a tunnel dark environment and a configuration method. The device comprises a transparent housing. The transparent housing is internally provided with light emitting diodes which are distributed in a matrix manner. The housing is provided with a cross wire at a position which corresponds with the distribution area of the light emitting diodes. Furthermore the center of the cross wire is at the center of the matrix of the light emitting diodes. The housing is provided with a locking mechanism. The measuring device can be fixed to the measuring point position. Through the transparent device, inner light can be diffused to outside through the housing, and easy finding in a dark environment is realized, thereby realizingno requirement for additional labor force for illumination for searching the measuring point.

The invention provides a sealing pressure-resistant device mounted with a constant-volume-bomb oil atomizer. The sealing pressure-resistant device comprises an oil atomizer base and an oil atomizer gland, the oil atomizer base is divided into upper, middle and lower portions and is through from top to bottom, the inside of the oil atomizer base is hollowed for mounting the oil atomizer, an inner cavity is matched with the oil atomizer to well limit radial movement of the same, the oil atomizer gland is a cover with a U-shaped opening, connected with the oil atomizer base through a bolt and embedded with the oil atomizer through the U-shaped opening to limit rotation of the oil atomizer, and the oil atomizer is fixed through two fixing measures of the oil atomizer base and the oil atomizer gland. The oil atomizer base is provided with a sealing device, so that sealing between the oil atomizer and a constant volume bomb body can be guaranteed. The sealing pressure-resistant device is simple in structure, convenient to mount, adaptable to all types of mounting devices, good in fixing effect, capable of guaranteeing position of the oil atomizer to be unchanged under high-frequency vibration and guaranteeing sealability and suitable for specific requirements of constant volume bomb atomization burning experiments.

The invention provides a network access speed information processing method and device and a network access speed information displaying method and device. The processing method comprises the steps that terminal data which comprise network access speed information and are sent by each terminal are acquired; the terminals are sorted according to the network access speed information in the terminal data to generate the whole network speed sorting data, wherein the network speed sorting data comprise the network access speed information of each terminal and the ranking of each terminal; and a part of the network speed sorting data are extracted from the whole network speed sorting data and are fed back to a corresponding terminal, wherein the part of the network speed sorting data comprise the network speed sorting data of the terminal.

The invention discloses a material sampling device for a belt conveyor, comprising a base, a fixing block is fixedly connected to the upper end of the base, a square groove is opened in the fixing block, and a strip plate is fixedly connected to the upper end of the fixing block, so the The strip-shaped plate is provided with a strip-shaped groove, the inner wall of the strip-shaped groove is slidably connected with a strip-shaped block, and a driving device for driving the strip-shaped block to slide on the inner wall of the strip-shaped groove is installed in the square groove. The side wall of the bar-shaped block is provided with an opening groove. In the present invention, the rectangular block is moved by the first PLC driving module, so that the first bevel gear and the second bevel gear are no longer meshed, thereby stopping the movement of the bar-shaped block. The granular material on the conveyor belt is sucked into the compressed air bag and then sprayed into the sampling barrel through the catheter, so that no manual operation is required, which saves human resources, and the sampling process is all electrically controlled, and the sample taken is more accurate.

The invention relates to the field of high-temperature static-load tensile tests of metal materials, and aims to provide a high-temperature tensile test method for high-strength low-alloy weathering-resistant structural steel, which comprises the following steps: when a material generates short work hardening and long work softening conditions, changing the speed in an interval of which the displacement reaches 5-10% of the length of a parallel section; wherein the test temperature of the tensile test is 650 DEG C; the displacement rate of a cross beam before yielding is 0.15 mm / min, and the displacement rate of the cross beam after yielding is 2.5 mm / min; and the high-strength low-alloy weather-proof structural steel is S355J2W. According to the invention, the problems of consistent testrate and large tensile strength value difference of high-strength low-alloy weather-resistant structural steel during high-temperature stretching at 650 DEG C are solved. Under a certain given rate condition, the speed change position after yielding is further determined, so that stable and real tensile strength is obtained.

The invention belongs to the technical field of material mechanics test and testing, and in particular relates to a test device and a use method for realizing the propagation of multiple composite cracks. The device includes four fan-shaped arc plates, two U-shaped hooks, two spacers with holes for adjusting the position of the sample, and several composite crack propagation samples. The fan-shaped arc plate has three groups of through holes H 1,i , H 2,i and H 3,i , i=1,...,N, N is the number of through holes in each group; the center of each group of through holes is placed on the same radius of the fan-shaped arc plate and arranged at equal radian intervals, and the most Two through holes H at both ends j,1 and H j,N , j=1, 2, 3 are in a 90-degree radian relationship with respect to the center of the fan-shaped arc plate. The invention can realize the standardized I-type, II-type, III-type and I / II-type, I / III-type and II / III-type compound crack propagation experiments with different compound ratios, and the experimental results have certain contrast, which can be used for research The effect of different load compound ratios on the growth behavior of compound cracks provides an experimental basis.

The invention relates to electronic product testing, in particular to a portable proximity switch testing device. The technical problem of the present invention is how to provide a portable proximity switch testing device that has a fast detection speed and is easy to carry into a factory workshop. A portable proximity switch testing device includes an installation housing, a handle, a connection box, etc.; the lower side of the installation housing is provided with a handle. The present invention can avoid the time waste caused by sending the sample into the laboratory for detection by adopting the method that the device can be held by the handle to enter the factory workshop, and if the sample volume is large, the effect will be more obvious; by using the proximity switch into the socket The method of testing with different metal sheets can make the test results comparable.

The invention discloses a quadrature oscillation simulation device and method for measuring the anti-scouring performance of a test piece, and belongs to the technical field of material tests. Eight electric jacks are controlled by a controller to move; the electric jacks drive an oscillation assembly to perform orthogonal oscillation motion; and therefore, the scouring environment of a material under a real oscillation effect is simulated, the scouring resistance of the material sample under an orthogonal oscillation effect can be visually observed. The test piece is fixed through a baffle, and in the experiment process, the erosion damage process of the test piece under the erosion effect can be visually observed, and therefore, the directness of the device is improved, and the stabilityand the accuracy of the device are ensured.

A device and method for evaluating the durability of concrete under the action of a wick effect. The device includes a frame, a workbench mounted on the frame, and a plurality of independent specimen clamping devices fixed on the workbench. The specimen clamps The device includes a solution box and a vacuum box arranged side by side at both ends of the test piece, and a fixture for clamping the test piece between the solution box and the vacuum box. The opening of the projected size of the end surface of the piece, the inside of the solution box and the vacuum box communicate with the test piece through the opening, and the solution box and the vacuum box are provided with a seal that makes the contact surface of the test piece and the opening sealed. The top of the tank is provided with a liquid injection port connected with the solution tank, and a vertically arranged scale tube with a sealing plug can be placed at the liquid injection port. The vacuum box is provided with a vacuum port connected with a vacuum pump. The invention has simple and reasonable structure, simple operation steps, convenient installation and debugging, and is suitable for industrialized production.

The invention discloses an image display device based on illumination analysis, comprising: an illumination sensing module for sensing illumination in the surrounding environment to obtain illumination information; an illumination analysis module connected to the illumination sensing module for analyzing the illumination The light-sensing information obtained by the sensing module is used to obtain light color information; the color matching generation module is connected to the light analysis module, and is used to generate corresponding a color scheme; an image display module, connected to the color generation module, for displaying the view component according to the color scheme generated by the color generation module. The present invention can improve the recognizability of the graphics of the view component by sensing the ambient light and automatically adapting to changes in the ambient light without manual modification by the user, bringing convenience to the user.

The invention provides a sealing pressure-resistant device mounted with a constant-volume-bomb oil atomizer. The sealing pressure-resistant device comprises an oil atomizer base and an oil atomizer gland, the oil atomizer base is divided into upper, middle and lower portions and is through from top to bottom, the inside of the oil atomizer base is hollowed for mounting the oil atomizer, an inner cavity is matched with the oil atomizer to well limit radial movement of the same, the oil atomizer gland is a cover with a U-shaped opening, connected with the oil atomizer base through a bolt and embedded with the oil atomizer through the U-shaped opening to limit rotation of the oil atomizer, and the oil atomizer is fixed through two fixing measures of the oil atomizer base and the oil atomizer gland. The oil atomizer base is provided with a sealing device, so that sealing between the oil atomizer and a constant volume bomb body can be guaranteed. The sealing pressure-resistant device is simple in structure, convenient to mount, adaptable to all types of mounting devices, good in fixing effect, capable of guaranteeing position of the oil atomizer to be unchanged under high-frequency vibration and guaranteeing sealability and suitable for specific requirements of constant volume bomb atomization burning experiments.

The invention provides a processing method and device for network access speed information, and a display method and device for network access speed information. The processing method includes: obtaining terminal data including network access speed information sent by each terminal; sorting each terminal according to the network access speed information in the terminal data to generate overall network speed sorting data, the network speed sorting The data includes: the network access speed information of each terminal, the ranking of each terminal; part of the network speed ranking data is extracted from the overall network speed ranking data, and fed back to the corresponding terminal, wherein the part of the network speed ranking data includes The network speed ranking data of the terminal.