29 results about "Tensometer" patented technology

The utility model provides a device for automatically detecting the width of an aluminum alloy plate strip, which comprises a control module, an F-shaped scale used for detecting the width, and a horizontal platform used for placing a plate strip to be detected, the scale is provided with a fixing piece which enables the horizontal stress state of the plate strip in the scale direction to meet the measurement requirement, and an automatic reading device; the fixing piece is provided with a tensiometer used for measuring the horizontal stress of the plate strip in the scale direction, and when the horizontal stress measured by the tensiometer meets the measurement requirement, the automatic reading device reads and recognizes the scale corresponding to the position of the fixing piece so as to obtain the width of the current measured plate strip; the automatic width detection device is simple in structure, reasonable in design, convenient to use, high in practicability, easy to implement, beneficial to rapid and effective automatic width detection of the aluminum alloy plate strip, capable of reducing personal errors, free of safety risks, capable of completely guaranteeing width measurement and easy to popularize in industrial width measurement.

The application provides a device and method for automatically detecting the width of an aluminum alloy plate strip, which comprises a control module, an F-shaped scale for detecting the width, a horizontal platform for placing the plate strip to be detected, the platform being placed below the scale area, a fixing member being arranged at the scale to make the horizontal force of the plate strip in the scale direction meet the measurement requirement, and an automatic reading device; a tension meter is arranged at the fixing member to measure the horizontal force of the plate strip in the scale direction, when the horizontal force measured by the tension meter meets the measurement requirement, the automatic reading device reads and identifies the scale mark corresponding to the position of the fixing member to obtain the width of the plate strip to be detected; the application has the advantages of simple structure, reasonable design, convenient use, strong practicability, easy implementation, fast and effective automatic detection of the width of the aluminum alloy plate strip, reduced human error, no safety risk, guaranteed width measurement, and easy popularization in industrial width measurement.

This utility model discloses a device for measuring changes in matrix suction gradient, including a soil tensiometer body; a clay head is fixedly installed at the bottom of the soil tensiometer body, an electronic tensiometer is fixedly installed at the end of the soil tensiometer body away from the clay head, and a water inlet pipe is fixedly installed on one side of the soil tensiometer body, communicating with the soil tensiometer body, with a threaded cap threaded onto the water inlet pipe; this utility model, by fitting two semi-circular chucks onto the soil tensiometer body and fixing the two semi-circular chucks with pins, places the end of the support rod away from the semi-circular chucks on the ground, and inserts the rod into the support rod insertion hole to limit and fix the fixing plate, the cooperation of the support rod and the semi-circular chucks can provide support for the soil tensiometer body, preventing it from tilting due to collisions with external objects, making the device safer when continuously monitoring outdoors, and allowing the clay head at the bottom of the soil tensiometer body to maintain stable contact with the soil.

The utility model discloses a tensiometer calibrating device, which comprises a wire rod, a power assembly, and a swing arm and a transmission arm which are arranged on the same rotating shaft, two ends of the wire rod are respectively a fixed end and a movable end, and the movable end of the wire rod is connected to the swing arm; the power assembly drives the swing arm to swing through the transmission arm and the rotating shaft so as to stretch the wire, and the transmission arm, the rotating shaft and the swing arm are combined into a labor-saving lever. A force sensor is arranged at one end of the wire rod and correspondingly detects the tension of the stretched wire rod. The movable end of the wire rod is hinged to the swing arm, and the fixed end of the wire rod is hinged to the fixed point column. When the swing arm swings, the movable end and the fixed end of the wire rod can adjust the angle in a self-adaptive mode. According to the tension meter calibrating device, the power of the power mechanism required by the tension meter calibrating device can be reduced.

The invention discloses a moisture characteristic curve measuring device, which belongs to the technical field of soil physics, and is technically characterized by comprising a main body assembly, a wiping assembly, a beating assembly, a control assembly, a connecting assembly and a tensiometer assembly. According to the device, when cold boiled water is injected into a water injection pipe, the water injection pipe can be clamped through a connecting assembly, then a tensiometer assembly can be deflected through a control assembly, then the cold boiled water can be injected into the water injection pipe, and after injection, the tensiometer assembly can be rotated, so that the tensiometer assembly can stand; after standing for a period of time, water dripped from the surface of the pottery clay head can be wiped through the wiping assembly, and then the surface of the water injection pipe can be beaten through the beating assembly, so that bubbles in the water injection pipe can be discharged, the interior of the tensiometer assembly can be filled with cold boiled water, and operation is convenient in the water injection period.

A valve assembly includes a valve body having an inlet end and an outlet end and a fluid flow path extending from the inlet end to the outlet end. The assembly also includes: a moveable valve member located in the fluid flow path intermediate the inlet end and the outlet end, the moveable valve member being movable relative to the valve body between an open position to allow fluid flow from the inlet end to the outlet end along the fluid flow path through the open moveable valve member and a closed position to prevent fluid flow from the inlet end to the outlet end along the fluid flow path; and one or more fluid level tensometer sensors mounted to the moveable valve member and configured to deform to generate an electrical signal in response to a predetermined mass or pressure of fluid acting on the one or more sensors.

The invention discloses an ultra-large-diameter expansion bend underwater measurement accurate correction method, and belongs to the technical field of submarine pipeline expansion bend underwater installation. Measuring the left and right angle readings of the riser flange and the subsea pipeline flange, the readings of the tensiometer and the linear distance between the riser flange and the subsea pipeline flange by a measuring device; the two water pressure altimeters are arranged in the three-point directions of the vertical pipe flange and the subsea pipe flange respectively, and the average height difference, namely the absolute height difference of the two, is read; the underwater gyroscopes are sequentially arranged right above the underwater gyroscopes and the underwater gyroscopes, and absolute heading readings are collected; the linear distance between horizontal projections of the two flanges can be deduced according to the length of the tensioning steel wire and the absolute height difference, then the absolute position relation of the two flanges on the horizontal projections can be obtained according to the absolute heading and left-right angle readings of the horizontal projections of the two flanges, and accurate correction of the left-right angle readings of the expansion bend underwater measuring device is achieved. According to the method, the underwater measurement data of the ultra-large expansion bend are extremely accurate, the butt joint difficulty of the expansion bend and the subsea pipeline is greatly reduced, and the butt joint working efficiency is improved.

1. Name of the product in this design: Digital cable tension meter. 2. Purpose of this design: For measuring the tension of steel cables. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: 3D view 1.

The utility model discloses a soil moisture characteristic curve measuring device which comprises a container, a tensiometer system, a sensing system and a weighing device, the container is of a cylindrical structure and is used for being filled with a soil sample, the tensiometer system comprises a clay head and a scale assembly, one end of the clay head is connected with the container, and the other end of the clay head is connected with the scale assembly. The sensing system is partially arranged in the soil sample, the sensing system is used for acquiring volumetric water content data of the soil sample, the weighing equipment is positioned at the bottom of the container, and a tray is arranged between the weighing equipment and the container. In the application, the tensiometer system, the sensing system and the weighing equipment are combined, so that the measurement error and the data docking difficulty can be reduced, an operator performs a filling and compacting process indoors, the collected soil sample is restored to a state approximate to the original volume weight, the representativeness and reliability of a test result are improved, and the measurement accuracy is improved. And meanwhile, automatic recording and wireless data transmission means are adopted, so that continuous, accurate and long-period observation of data is realized.

1. Name of the product in this design: Cable tension meter calibration device. 2. Purpose of this design: for the calibration of a cable tension meter. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: 3D rendering 1.

The present invention discloses a compensation system and method for the hardness fluctuation of all stands of a continuous rolling mill. The system includes: a tension calculation module, which is used to obtain the vertical pressure of the tension measuring roll fed back by the tension meter between the stands of the continuous rolling mill set, and calculate the actual strip tension value between the stands by combining the weight of the tension measuring roll, the weight of the strip, and the size of the tension meter wrap angle; a tension difference calculation module, which is used to calculate the unit tension difference of the actual strip between the stands by combining the actual strip tension value, the set control tension value, the set thickness and width of the current strip; a compensation amount calculation module, which is used to calculate the speed control compensation amount of the corresponding stand by using the unit tension difference; and a function main control module, which is used to superimpose the speed control compensation amount on the corresponding stand speed control amount to control the tension fluctuation between the stands of the continuous rolling mill set. Through the present invention, the tension fluctuation between the stands caused by the strip hardness fluctuation can be dealt with, thereby realizing the control compensation for the hardness fluctuation.

The present invention provides a method for setting the tension of a hot continuous rolling coiling unit. The method includes the following steps: establishing grades of steel strength and assigning a strength value to each strength level; constructing a basic formula for linearizing the tension according to the preset minimum strength, minimum width, and regression of the rolling thickness; determining the strength coefficient and the width coefficient; determining the total tension calculation formula based on the basic formula for linearizing the tension, the strength coefficient, and the width coefficient; and substituting the strength value corresponding to the strength level into the total tension calculation formula to determine the tension of the hot continuous rolling coiling unit. The tension of the present invention can be calculated linearly, avoiding the problems of tension setting jumps and the need for a large number of standard tables to be manually input in the traditional look-up table method. It also avoids the problems of width narrowing or end face misalignment caused by unreasonable tension settings when using the look-up table method.

Various embodiments of a suture tensionometer for measuring a tensile force applied to a surgical suture are disclosed herein.

The utility model belongs to the technical field of enamelled wire measurement, and particularly relates to an alloy enamelled wire tension testing device which comprises a test board, one end of the test board is provided with a limiting groove, and one end of the limiting groove is provided with a stop block. According to the tension testing device for the alloy enameled wire provided by the utility model, the movable winding block is arranged at the middle position of the limiting slide rail, one end of the alloy enameled wire to be tested is wound for a circle on the movable winding block on the movable frame and then is straightened, and then is smoothly wound for a circle on the movable winding block on the wire tension meter; then two position control screw rods are operated to rotate to move a position abutting plate forwards until a movable winding block is pushed to the leftmost position where the leftmost end cannot move forwards in a limiting sliding rail, an edge position motor is started to drive a frame control screw rod to rotate in a rod bearing hole, and a movable frame drives one end of the alloy enameled wire to pull outwards to a certain limit; at the moment, tension data can be read through the wire tension meter, and the integrated effect of fixing, mounting and testing of the device is improved.

This application discloses an experimental method and related equipment for simulating strip steel misalignment and warping defects in a furnace, relating to the field of quality control technology for strip steel heat treatment processes in the metallurgical industry. The method includes: acquiring experimental parameters, including target roll profile parameters, target tension parameters, and target speed parameters; controlling the operation of an experimental device based on the experimental parameters, wherein the experimental device includes an integrated uncoiling and coiling machine, multiple steering rollers, at least one correction roller, and a tension meter roller; acquiring image data of the operating status of the experimental strip steel during the operation of the experimental device; determining the defect characteristics of the experimental strip steel based on the image data of the operating status, the defect characteristics including at least one of misalignment and warping characteristics; and generating a correlation analysis result between the strip steel defects and the experimental parameters based on the defect characteristics and the experimental parameters.

The invention discloses an intelligent self-cleaning soil tensiometer, and relates to the technical field of soil tension measuring equipment. Comprising a microporous argil head, a protection mechanism is fixedly mounted on the upper surface of the microporous argil head close to the outer side, an organic glass tube is fixedly mounted between the inner wall of the protection mechanism close to the lower side and the microporous argil head, the upper surface of the protection mechanism is connected with a control box through a connecting mechanism, and a plug is fixedly embedded in the middle of the lower side wall of the control box; the plug is inserted into the upper surface of the organic glass tube, a heating mechanism is fixedly mounted on the lower surface of the plug, and the heating mechanism covers the outer side of the organic glass tube. The regular automatic cleaning function of the soil tensiometer is added, the micropore clay head is kept smooth for a long time, the measurement result is more accurate, meanwhile, the protection, waterproof, anti-interference and heating functions are added, the influence of the external environment is effectively avoided, the measurement accuracy is improved, the warning function is added, and the soil tensiometer is prevented from being accidentally touched and damaged.

The invention relates to the technical field of geological disaster monitoring, in particular to a loess structural attenuation disaster prevention and control method based on matric suction dynamic monitoring. Aiming at the problems of limited measurement range, poor long-term stability and early warning lag in the existing loess structural attenuation monitoring, the invention provides the following technical scheme: the system comprises test equipment for realizing dynamic monitoring, and the test equipment is a penetration tensiometer; the permeation tensiometer comprises a ceramic disc cap, a polymer cavity, a pressure sensor, a data line and a data acquisition instrument; the pressure sensor is packaged through a ceramic disc cap, is connected with the data acquisition instrument through a data line, and is used for reading the matrix suction value in the soil sample. All-weather constant-pressure monitoring is achieved through the synthetic polymer permeation tensiometer, a three-dimensional monitoring network of the loess area is constructed, potential hazards are accurately captured, an efficient and reliable long-term monitoring solution is provided for geological disaster prevention and control, and the early warning timeliness and the prevention and control effect are effectively improved.

The application provides a thickness AGC control method based on tension deviation detection and related equipment. The method comprises the following steps: measuring actual tension T act in real time; obtaining a tension setting value signal T ref , a thickness signal and a width signal of a strip; calculating unit tension deviation ΔT by using the tension setting value signal T ref , the thickness signal and the width signal and the actual tension T act ; calculating a change rate of the unit tension deviation based on the unit tension deviation ΔT; and obtaining a roll gap adjustment amount ΔS based on the change rate of the unit tension deviation. Thus, a thickness control method based on tension deviation is established. For raw materials, such as head and tail of tinned cold hard base plate or high-strength steel cold hard base plate, thickness fluctuation with high amplitude and high frequency caused by factors such as performance fluctuation can be well controlled in time, so that the thickness of the strip is stable, and the number of waste and defective products caused by thickness exceeding the standard is reduced.

1. The name of this design product: Tension meter (mechanical). 2. Application of this product: Used for measuring the tension values ​​of various copper strands, ropes, cables, and transmission belts. 3. The key point of the design of this product lies in its shape. 4. The picture or photo that best illustrates the key points of the design: main view.

The invention discloses a rolling mill tensiometer non-stop online calibration method. The method comprises the following steps: firstly, carrying out a rolling mill idle running test to collect output data of each tensiometer; an abnormal rack is preliminarily identified after analysis; secondly, carrying out a rack throwing test on the identified abnormal rack or the adjacent rack, recording the tension measurement value of the related rack when the rack is thrown, verifying the abnormal rack, and identifying an abnormal tensiometer existing in the abnormal rack; and finally, adjusting the tension value of the abnormal tensiometer to recover normal tension measurement. By the adoption of the method, verification is carried out according to the actual working condition in the implementation process, live verification of the rolling mill tension detection system can be rapidly and accurately carried out under the condition that production is not interrupted, stable production is guaranteed, the production efficiency is improved, and the product quality can also be guaranteed.

1. The name of the design product: tension meter. 2. The use of the design product: for measuring the tension value of yarn. 3. The design points of the design product: in shape. 4. The picture or photo that best shows the design points: perspective view.

The invention belongs to the technical field of annealing furnace tension control, and relates to an annealing furnace specification transition tension control method and system, and the method comprises the following steps: obtaining the tension of each process section, calculating the tension difference of adjacent process sections as a first tension difference, and calculating the tension difference of strip steel before and after the same process section as a second tension difference; when any tension difference exceeds the threshold, the transition direction is determined according to the incoming material tension target and the outgoing material tension target; when the small tension of the adjacent process sections is switched to the large tension, the subsequent strip steel tension of the current process section is preferentially adjusted, otherwise, the forward strip steel tension of the next process section is preferentially adjusted, and if the threshold is still exceeded, the two sections of tension are synchronously adjusted in proportion; the tension of the same section is kept unchanged during large-to-small switching, and on the contrary, a subsequent strip steel tension instruction is issued when the weld joint reaches the next process section. According to the technical scheme, the tension difference of all the process sections is collected and calculated in real time, dynamic judgment of adjacent and same-section tension is achieved, specification transition tension is continuously coordinated, and precision and welding seam stability are improved.

The present invention discloses a test device for measuring the unsaturated permeability coefficient of saline soil. The test device includes a base, a sample assembly, a loading assembly, a water supply assembly, a drainage assembly, and a measuring assembly. The sample assembly is fixedly installed on the base, and the sample assembly has a first end and a second end arranged opposite to each other; the loading assembly is installed on the base, and the loading assembly is arranged toward the first end of the sample assembly; the water supply assembly includes a Martens flask and a water inlet component, and the Martens flask is connected to the first end of the sample assembly through the water inlet component to supply water to the saline soil sample; the drainage assembly includes a liquid accumulation bucket and a water outlet component, and the liquid accumulation bucket is connected to the second end of the sample assembly through the water outlet component to collect water seeping from the saline soil sample; the measuring assembly includes a weighing unit and multiple groups of sensing units, and the sensing units include a three-parameter sensor and a tensiometer. The sensing units are installed on the sample assembly to monitor the saline soil sample, and the weighing unit is used to monitor the weight of the Martens flask and the weight of the liquid accumulation bucket.

The invention discloses an elevator landing door thrust detection device, and belongs to the field of elevator detection. Comprising at least two groups of spring tensometers, each spring tensometer is provided with an adjusting assembly used for adjusting the horizontal position of the spring tensometer, and the adjusting assembly is provided with a tension assembly used for applying constant tension to the spring tensometers; the tension assembly and the adjusting assembly are rotationally folded through a second folding unit, a folding supporting assembly used for overall supporting is assembled at the bottom of the tension assembly, and a distance measuring assembly used for detecting the landing door gap is integrated on the tension assembly; a positioning assembly is installed at the bottom of the folding supporting assembly. According to the elevator landing door thrust detection device, the tension direction can be calibrated in advance, 150N constant tension can be output, accurate alignment of the detection end and the force application point is achieved, positioning and supporting are stable, the problems that manual operation force is deviated, the force value is not stable, alignment depends on experience and the like are effectively solved, and detection reliability is improved.

The utility model discloses an extensometer protection device for high-temperature stretching, which relates to the field of metal high-temperature stretching detection, comprises a sliding rail, and is characterized in that the upper part of the sliding rail is connected with a first sliding seat and a second sliding seat in a sliding manner, and the upper parts of the first sliding seat and the second sliding seat are respectively and fixedly provided with a base; a frame body is fixedly installed on the upper portion of the base, an extensometer body is slidably connected to the position, between the first sliding base and the second sliding base, of the upper portion of the sliding rail, and locking devices are arranged on the front portion of the first sliding base and the front portion of the second sliding base. According to the extensometer protection device for high-temperature stretching, the first sliding seat and the second sliding seat are arranged on the sliding rail and support the frame body, and the frame body wraps the extensometer main body, so that the ceramic rod of the extensometer main body is not influenced to extend out when the extensometer protection device is used, and the extensometer main body and the ceramic rod of the extensometer main body can be surrounded on the inner side when the extensometer protection device is not used; and moreover, the size of the frame body is adjustable, and the application range is wide.

Methods and apparatuses for measuring water potential in gravel soil with an automatic water collection and replenishment system are provided. The apparatus includes a tensiometer assembly configured to measure soil water potential in a gravel soil region, a replenishment water collection unit configured to collect and pre-treat water resources, and provide replenishment water to the tensiometer assembly, a replenishment water degassing unit configured to degas and deliver water filtered by the replenishment water collection unit to the tensiometer assembly, and a control unit configured to acquire a water level in the tensiometer assembly, control the replenishment water degassing unit to replenish water to the tensiometer assembly for tension measurement. The replenishment water collection unit continuously collects the replenishment water, and the control unit conveys the water from the replenishment water collection unit to the replenishment water degassing unit when a condition is fulfilled.

The invention discloses a rough rolling symmetric reversible double-rack continuous rolling tension calculation method without a detection device, and belongs to the field of metal processing technology control engineering. The method comprises the following steps: 1) analyzing rack arrangement, and determining variables required to be sampled in a tension calculation model; (2) the E1 rolling moment is calculated; (3) after the R1 bites steel, the E1 generates front tension, and at the moment, the front tension moment of the E1 is calculated; 4) calculating an R1 post-tension moment; (5) the rolling moment of R1 is calculated; (6) after the R2 bites steel, the R1 generates front tension, and at the moment, the front tension moment of the R1 is calculated; and 7) establishing a tension calculation model, and finally calculating the tension between R1R1 and the tension between E1R1. According to the method, the rough rolling symmetric reversible double-rack continuous rolling unit is analyzed, a relatively accurate tension calculation model is established, the tension control precision and stability in double-rack reversible continuous rolling can be effectively improved, and powerful foundation and guarantee are provided for width control of a final strip steel finished product.