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399results about "Mechanical solid deformation measurements" patented technology
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Metallic material mechanical testing device
ActiveCN113092260BMaterial strength using tensile/compressive forcesMechanical solid deformation measurementsClassical mechanicsMetallic materials
The application is suitable for the technical field of metal material detection, and provides a metal material mechanical testing device.The device comprises a bearing mechanism and a pressurizing mechanism.The bearing mechanism comprises a bearing table, a second support, a first support and a support plate.The support plate is slidingly arranged at both ends of the bearing table.The number of the support plates is two and they are symmetrically distributed.The support plates are used for supporting a test piece.One end of the support plate is connected with an auxiliary support mechanism away from one side of the first support.The device further comprises an adaptive positioning mechanism and a measuring assembly.The adaptive positioning mechanism is used for positioning a deformation position of the test piece.The measuring assembly is arranged on the auxiliary support mechanism and is used for measuring a moving distance of the adaptive positioning mechanism, so that deformation data of the test piece can be obtained immediately after the test.
Owner:HEBEI PETROLEUM VOCATIONAL & TECH UNIV
Device for measuring deformation of elastic support for support of bracket
The present application relates to a device for measuring the deformation of an elastic support for supporting a bridge grating, and more particularly to a device for measuring the deformation of an elastic support for supporting a bridge grating, which comprises a base support; a lateral deformation measuring portion rotatably connected to the base support; and a vertical deformation measuring portion detachably connected to the base support.
Owner:ONLY TECHNOLOGY CO LTD
A component to be measured with a strain gauge attached, and a robot
To provide a mounting structure for a strain gauge which can improve durability and can be applied to a larger number of configurations.SOLUTION: A structure for mounting a strain gauge (10) on a portion (91) to be measured, the strain gauge comprising a base member (11) in a film form, a resistance element (20) provided on the base member, a first wiring line (30) provided on the base member and connected to the resistance element, a terminal (40) provided on the base member and connected to the first wiring line, and a second wiring line (50) connected to the terminal. Of the base member, a first portion (P1) on which the resistance element is provided is adhered to the portion to be measured, while a second portion (P2) on which the terminal is provided is not adhered to another member (90).SELECTED DRAWING: Figure 1
Owner:DENSO WAVE INC
Automatic monitoring system for movable formwork
ActiveCN223678537UUsing subsonic/sonic/ultrasonic vibration meansClosed circuit television systemsVideo monitoringMonitoring system
The utility model discloses an automatic monitoring system for a movable formwork, which comprises a monitor, a wireless communication base station, a plurality of strain gauges, a plurality of static leveling gauges, a plurality of ultrasonic sensors, a displacement sensor and a plurality of cameras, a plurality of strain gauges, a plurality of static level gauges, a plurality of ultrasonic sensors, a displacement sensor and a plurality of cameras which are arranged on the movable formwork are all connected with a wireless communication base station, and the wireless communication base station is in wireless communication connection with a monitor. According to the utility model, stress monitoring, action monitoring and video monitoring can be carried out on the mobile formwork, and wireless uploading can be carried out through the wireless communication base station, so that management personnel can conveniently and remotely monitor on-site operation conditions and on-site construction conditions of the mobile formwork in real time, and potential safety hazards are avoided.
Owner:CHINA TIESIJU CIVIL ENGINEERING GROUP CO LTD +2
A deformation measuring assembly applied to a vehicle engine suspension system
ActiveCN116164627BJet propulsion mountingInternal combustion mountingSuspension (vehicle)Automotive engine
The application provides a deformation measurement assembly applied to a car engine suspension system, the suspension system comprising an outer frame, a rubber main spring and a bracket arm; the suspension system is provided with a measurement channel along a first direction, and a measurement surface perpendicular to the axis of the measurement channel is arranged on the top of the suspension system; the first measurement assembly has a measurement hole penetrating through the first measurement assembly along the first direction; the first measurement assembly is arranged on the measurement surface, and the center of the measurement hole is located on the axis of the measurement channel in a free state; the second measurement assembly can penetrate through the measurement hole into the measurement channel along the first direction; when the suspension system is switched from the free state to a static compression state, the first measurement assembly measures the offset parameter of the suspension elastic center of the rubber main spring on the measurement surface; the second measurement assembly measures the moving distance of the suspension elastic center of the rubber main spring to the measurement surface; by measuring the offset parameter and the moving distance of the suspension elastic center of the rubber main spring on the measurement surface, whether the rubber state inside the suspension system meets the standard is confirmed.
Owner:CHONGQING JINKANG NEW ENERGY VEHICLE CO LTD
Battery swelling inspection apparatus
Owner:LG ENERGY SOLUTION LTD
Vacuum pump shell compression resistance testing device for vacuum sintering furnace equipment
ActiveCN120741159APump testingMaterial strength using tensile/compressive forcesVacuum pumpData detection
The invention relates to the technical field of vacuum pump testing, in particular to a vacuum pump shell compression resistance testing device for vacuum sintering furnace equipment, which comprises a case shell, the outer wall of the case shell is rotatably connected with a mounting cabinet door, and the top end of the inner wall of the case shell is fixedly provided with a pressure bearing mechanism capable of extruding the vacuum pump shell. The pressure bearing mechanism can impact and extrude the outer wall of the vacuum pump shell, the pressure bearing performance of the vacuum pump shell in a static balance state is tested through the pressure bearing mechanism and the detection mechanism, static pressure is applied to the vacuum pump during detection, and the detection mechanism performs data detection. When the shell is extruded to be broken but not deformed, gas in the rubber corrugated sleeve leaks at the broken position, the abutting circular ring block pushes the moving blocks to move oppositely, the second elastic telescopic arm is reset and contracted, sinking deformation of the shell can be captured, the tiny breaking condition can be detected, and comprehensive detection of the quality of the vacuum pump shell is achieved.
Owner:RISING RARE METCHEM CO LTD
Alloy blade measuring equipment and measuring method
PendingCN121163352AMechanical thickness measurementsInvestigating machinabilityMeasurement deviceData acquisition
The invention provides alloy blade measuring equipment and a measuring method, the alloy blade measuring equipment comprises a friction mark device used for positioning the deformation protruding position of an alloy blade and a mobile measuring device used for detecting the deformation amount of the alloy blade, and the alloy blade is attached to the friction mark device to rotate and highlights a friction mark. A plurality of identification point positions are distributed on the alloy blade along the friction mark in an outward expanding manner; the mobile measuring device comprises a positioning frame group, a measuring frame assembled on the positioning frame group in a sliding manner, and a measuring assembly assembled on the measuring frame in a sliding manner. According to the method and the device, data acquisition is carried out on the friction impression in multiple directions by taking the identification point position as a base point through the measurement assembly, complete deformation data is obtained, and accurate data support is provided; in addition, the invention further provides a measuring method of the alloy blade, and by means of the method, the qualified rate of finished products can be increased, cost is reduced, and efficiency is improved by collecting data and appointing the product improvement direction and the process route.
Owner:HUNAN MOORE CEMENTED CARBIDE CO LTD
Detection tool for bearing support of molded case circuit breaker
ActiveCN224262390UMechanical diameter measurementsMechanical solid deformation measurementsCircuit breakerSupport plane
The utility model discloses a molded case circuit breaker bearing support testing fixture, which comprises a base, a support frame is arranged in a groove at the inner side of the base, a bearing support positioning assembly is arranged at the inner side of the support frame, and a bearing support main body is arranged on a reference line at the middle parts of the end surfaces of the base and the support frame. By installing the bearing support positioning assembly, the positioning plate and the profiling positioning block at the two ends can be driven to be matched with the outline of the bearing support, it is ensured that the bearing support is positioned and fixed, a user only needs to rotate a rotary knob at one end to fix the bearing support in the middle, and if the bearing support cannot be completely attached to the positioning plate or the profiling positioning block, the bearing support can be fixed. Or the positioning pin cannot be inserted between the second mounting hole and the positioning hole, the bearing support may be deformed or the hole diameter is out of tolerance, a go-no go gauge is arranged at the front end of the bearing support and used for detecting the hole diameter of the bearing hole, and if the go end of the go-no go gauge can be smoothly inserted into the hole and the no-go end does not pass through the hole, the requirement is met.
Owner:CHANGSHU BANGTAI METAL PROD CO LTD
Slope deformation detection device
ActiveCN224034583UMechanical solid deformation measurementsStructural engineeringMechanical engineering
Owner:ZHONGBEI TIANFENG ENG TECH CO LTD
Detection device for processing ball linear guide rail pair
The invention discloses a detection device for ball linear guide rail pair machining, and relates to the technical field of ball linear guide rail pair machining detection. The detection device for processing the ball linear guide rail pair comprises a detection table, a built-in groove is formed in the top of the detection table, side openings are formed in the two sides of the built-in groove, the middle of the built-in groove is movably sleeved with a telescopic rod, and openings are formed in the two sides of the top of the detection table. According to the detection device for machining the ball linear guide rail pair, through an automatic attaching calibration structure of the calibration plate and the rail pair, traditional manual bowing observation operation is replaced, and the fatigue problem caused by long-time bowing of detection personnel is avoided; a linkage mechanism of the rolling ball A and the limiting wheel can automatically complete position calibration, the misjudgment risk caused by fatigue during manual observation is eliminated, manual subjective judgment errors are reduced, and the method is particularly suitable for accurate recognition of edge positions in a batch detection scene.
Owner:XIANYANG FENGNING MASCH CO LTD
Building curtain wall detection device
ActiveCN223992584UWork holdersMechanical solid deformation measurementsArchitectural engineeringAir pump
The utility model relates to the technical field of building detection equipment, and discloses a building curtain wall detection device which comprises a detection table, the inner side of the detection table is fixedly connected with a rolling detection mechanism, the inner side of the detection table is fixedly connected with a curtain wall fixing mechanism, and the curtain wall fixing mechanism comprises a T-shaped sliding rail. The bottom of the T-shaped sliding rail is fixedly connected to the top of the table top of the detection table, and the outer side of the T-shaped sliding rail is fixedly connected with a limiting block. According to the utility model, the curtain wall fixing mechanism pushes the slide block to move along the T-shaped slide rail by means of the electric push rod, when the curtain wall is close to the curtain wall, the clamping cylinder pushes the clamping claw to clamp the edge of the curtain wall, and the micro air pump extracts air from the suction cup, so that stable fixation is realized, and shaking displacement during detection is prevented; through analysis of the sensor and the control panel, the detection accuracy and efficiency are improved, and the detection period is greatly shortened.
Owner:菏泽职业学院
Battery module pressing test device and method
Owner:LG ENERGY SOLUTION LTD
Rapid detection measuring tool for product deformation
The utility model relates to the technical field of product deformation detection measuring tools, and discloses a product deformation rapid detection measuring tool which comprises a first measuring table and a second measuring table which are used for supporting the two sides of a product. The first test bench comprises a bottom reference surface and a side reference surface, the bottom reference surface is used for abutting against the bottom of a product, the side reference surface is used for abutting against the side of the product, the second test bench comprises a bottom test bench and a detection bench, the bottom test bench is used for supporting the product, the detection bench is provided with a detection groove, and the side end of the detection groove is open; and the detection groove is used for enabling the detection end part of the product to move transversely. During deformation testing, a product is placed on the first testing table and the second testing table, one side of the product synchronously abuts against the bottom reference surface and the side reference surface, the other side of the product moves along the detection groove in a penetrating mode, through cooperation of the bottom reference surface, the side reference surface and the detection groove, whether product deformation exceeds a preset value or not is detected, detection operation is simple and convenient, and detection efficiency is improved. Measurement is accurate, and product deformation detection efficiency is greatly improved.
Owner:TECHNO PRECISION SHENZHEN CO LTD
Test frame suitable for detecting hub of electric balance vehicle
The utility model relates to the technical field of wheel hub detection, in particular to a testing frame suitable for electric balance vehicle wheel hub detection, which comprises a base, a supporting frame is fixedly connected to one corner of the upper end face of the base, a first servo motor is arranged on the end face of one side of the supporting frame, and the output end of the first servo motor is fixedly connected with a circular plate. A clamping plate is arranged on one side of the end face of one side of the circular plate and used for clamping an electric balance vehicle hub, an L-shaped frame is fixedly connected to the middle of one side of the upper end face of the base, and a distance measuring assembly is arranged on one side of the upper end of the L-shaped frame and used for detecting whether the hub deforms or not. A correction assembly is arranged on the side, away from the supporting frame, of the upper end of the base and used for detecting and correcting the hub deformation position. Compared with the prior art, the problems of low efficiency, insufficient correction precision and poor adaptability in electric balance vehicle hub detection in the prior art are solved.
Owner:SHENZHEN YUESHITONG TECHNOLOGY CO LTD
A road and bridge settlement deformation monitoring system and its monitoring method
ActiveCN121252743BOvercoming volatile locksOvercome inherent disadvantages of being susceptible to temperature effectsHeight/levelling measurementUsing optical means
This invention discloses a road and bridge settlement deformation monitoring system and method, comprising a baseline subsystem, at least one monitoring node, and a data acquisition and processing center. The baseline subsystem is used to establish a physical baseline; the data acquisition and processing center is used to process data; the monitoring node includes a mechanical sensing subsystem and an electronic sensing subsystem. The mechanical sensing subsystem includes a settlement sensing and amplification mechanism, a gravity self-locking and temperature compensation mechanism, and a self-calibration and memory mechanism; the electronic sensing subsystem includes a dual-mode sensing unit and a status monitoring unit. The dual-mode sensing unit includes at least two sensors used to acquire and output a reliable settlement signal after data fusion. This invention employs data fusion and cross-validation of dual-mode sensing units (such as an encoder and a laser displacement sensor), enabling the system to perform self-fault diagnosis, effectively identify mechanical transmission jamming or sensor malfunction, and thus output a verified reliable settlement signal.
Owner:BEIJING ZHONGZI LUJIE ENG TECH CONSULTING CO LTD
Deformation measuring gauge for workpiece
The invention discloses a deformation measuring gauge for a workpiece, and relates to the technical field of measuring gauges, and the deformation measuring gauge comprises an angle ejector rod which is arranged on a base, the angle ejector rod is obliquely arranged along the height direction of the deformation measuring gauge, and the angle ejector rod can move relative to the base along the extension direction of the angle ejector rod; the first sliding block and the second sliding block are arranged in the first direction and can slide in a reciprocating mode in the first direction, the angle ejector rod makes contact with the first sliding block and the second sliding block in the first direction, and the angle ejector rod drives the first sliding block to slide in the direction away from the second sliding block when moving towards the position above the base. When the angle ejector rod moves towards the lower portion of the base, the second sliding block is driven to slide in the direction away from the first sliding block, and the detection structure is suitable for driving the angle ejector rod to move towards the upper portion of the base. Therefore, the cold and hot deformation of the workpiece can be measured in real time, the maximum deformation of the workpiece can be accurately measured, the structure is simple, the temperature resistance is high, the manufacturing cost is low, and the measurement cost of the deformation of the workpiece can be reduced.
Owner:XIAOPENG MOTORS HUAZHONG (WUHAN) CO LTD
Three-point measurement method for deflection of metro vehicle
This invention discloses a three-point method for measuring the deflection of subway vehicles, comprising the following steps: 1. Parking the subway vehicle to be measured on the zero rail; 2. Measuring the vertical distance from multiple points on the bottom of each car of the subway vehicle to the zero rail using a level and a measuring tape; 3. Calculating the heights Y1, Y3, and Y2 of the leading end, trailing end, and center point of each car from the zero rail surface according to the following formulas; 4. Calculating the height differences HZ1 and HZ2 between the first and second bogies of each car; 5. Correcting Y1, Y3, and Y2 based on the difference between HZ1 and HZ2; 6. Repeating steps 2 to 5 to obtain Y1, Y3, and Y2 for all cars of the subway vehicle, and summing them to obtain the deflection range of the subway vehicle. This invention can measure the deflection of rail transit vehicles more accurately, and saves measurement time, improving measurement efficiency.
Owner:SHANGHAI URBAN CONSTRUCTION DESIGN & RESEARCH INSTITUTE (GROUP) CO LTD
Blank detection tool
ActiveCN223741382UVehicle steering/rolling behaviourMechanical solid deformation measurementsMechanical engineering
The utility model relates to the technical field of brake steering, in particular to a blank detection tool. The blank detection tool comprises a positioning pin used for supporting a blank product to be detected; the abutting rod body is located above the positioning pin, the abutting rod body descends and can abut against the top end of the positioning pin, when a blank product is placed on the positioning pin, the abutting rod body presses the blank product on the positioning pin, and the abutting rod body abuts against the top end of the positioning pin when the blank product is placed on the positioning pin. The top end of the positioning pin and the top end of the abutting rod body are located on the two sides of the blank product respectively, the blank product can be stably positioned through the blank detection tool, the blank product can be accurately detected, and the detection accuracy is improved.
Owner:WUHU PRECISION MFG CO LTD +1
PCB (Printed Circuit Board) warping measuring tool
ActiveCN224246966UMechanical counters/curvatures measurementsMechanical solid deformation measurementsRight triangleFeeler gauge
The utility model discloses a PCB (printed circuit board) warpage measuring tool, which relates to the technical field of PCB detection, and comprises a measuring tool, the measuring tool is a right triangle plate, the included angle between the long straight edge and the bevel edge of the measuring tool is 10 degrees, the long straight edge of the measuring tool is provided with scale marks, and the bevel edge of the measuring tool is detachably provided with a support assembly. According to the utility model, the measuring tool is a right triangle with the angle of 10 degrees, the long straight edge of the measuring tool is provided with the scale marks, during measurement, the hypotenuse of the triangle is taken as the bottom, the measuring tool is inserted into the warping area, the scale of the long straight edge is read and recorded after insertion, and the warping value is obtained by multiplying the scale by sin 10 degrees, so that the measuring tool is simple and convenient to operate and does not need to be like a feeler gauge and a needle gauge; and different specifications need to be used for comparison one by one, so that the data measurement efficiency can be effectively improved.
Owner:AOSHIKANG TECH CO LTD +1
A sandbox physical simulation experiment push-over device
The application discloses a sand box physical simulation experiment pushing and covering device and relates to the technical field of fold thrust belt simulation. The application comprises a sand box, a silica gel pad is fixedly installed in the sand box, first threaded rods are connected to the bottom of the silica gel pad, the first threaded rods are threadedly connected to the inside of first threaded cylinders, the first threaded cylinders are rotatably installed in the sand box, first connecting blocks are fixedly installed on the two sides of the first threaded rods, the first connecting blocks are slidably connected to first guide rods, and the first guide rods are fixedly installed on the bottom surface of the sand box. The application simulates horizontal force by driving the cylinder to push the plate, silica gel strips on the two sides of the plate enhance sealing, the surface friction threads increase friction force, the pushing and covering are more real, a plurality of first threaded assemblies cooperate with a first motor to adjust the two sides of the bottom of the silica gel pad, second threaded assemblies cooperate with a second motor to assist in simulating stratum deformation, a third motor adjusts the angle of the sand box, and all the components cooperate to provide reliable experimental conditions for research.
Owner:SANYA MARINE OIL & GAS RESEARCH INSTITUTE NORTHEAST PETROLEUM UNIVERSITY
Bailey truss deformation damage online intelligent early warning method and system and medium
PendingCN121163442AUsing subsonic/sonic/ultrasonic vibration meansMechanical solid deformation measurementsDeformation monitoringAcoustics
The invention discloses an online intelligent early warning method and system for bailey truss deformation damage and a medium, and relates to the technical field of bailey truss deformation monitoring, the method comprises the steps that a horizontal reference rope is arranged between two latticed columns of a to-be-monitored beam body in a pulling mode, and the two latticed columns are located at the two ends of the to-be-monitored beam body respectively; installing a vertical rigid scale below the middle part of the to-be-monitored beam body; an ultrasonic distance measuring sensor is installed on the side face of the rigid scale to measure the relative position change of the horizontal reference rope and the scale of the rigid scale, and the vertical deformation value of the to-be-monitored beam body is obtained; the left-right offset of the latticed column is obtained through an ultrasonic distance measuring sensor, and beam body deflection deformation data is determined based on the vertical deformation value and the left-right offset of the latticed column; when it is detected that the deflection deformation data of the beam body exceed a preset safety threshold value, a sound-light alarm instruction is triggered; the monitoring effect of deformation damage of the bailey truss is improved.
Owner:GUANGZHOU LANDSCAPE ARCHITECTURE CO
TESTING THE CONDITION OF TENNIS BALLS
ActiveDE602022022237T2Inflated body pressure measurementMaterial strength using tensile/compressive forces
Owner:JARMEN INVERSIONES ACTIVAS S L U
Universal electronic fan assembly testing fixture
ActiveCN224230913UMechanical roughness/irregularity measurementsMechanical solid deformation measurementsStructural engineeringMechanical engineering
The utility model discloses a universal electronic fan assembly testing fixture. The general electronic fan assembly testing fixture comprises a bottom plate, the top surface of the bottom plate is slidably connected with a detection beam, one side of the detection beam is provided with a plurality of first positioning support assemblies, the other side of the detection beam is provided with a plurality of second positioning support assemblies, and the first and second positioning support assemblies are movably connected with the bottom plate. The first positioning and supporting assembly and the second positioning and supporting assembly cooperate to erect the electronic fan assembly above the detection beam, and the mounting surface of the electronic fan assembly directly faces the top surface of the detection beam. The utility model solves the problems of high manufacturing cost and site waste in the prior art.
Owner:JIANGSU JIAHE THERMAL SYST RADIATOR
Measurement unit for measuring displacement of bridge bearing
PCT designated stageWO2025198085A1Slide gaugesBridge structural detailsMeasurement deviceClassical mechanics
The present invention relates to a measurement unit for measuring the displacement of a bridge bearing positioned between a pier and an upper plate. More specifically, a pair of elevation measurement bodies that slide in the transverse direction along the lengthwise-direction of a base member are attached thereon, each elevation measurement body comprising a lower marker rod located on the base member and an upper movable rod that moves up and down from the top of the lower marker rod. As such, with the base member placed on the lower plate of a bridge bearing and a pair of elevation measurement bodies suitably slide-adjusted at both width-direction ends of the bridge bearing, the vertical distance between the upper and lower plates is measured at both sides using the elevation measurement bodies to rapidly measure the displacement of the bridge bearing.
Owner:SEJONG CONSTRUCTION TECHNOLOGY CO LTD
Detection tool for positioning tray of electronic control unit
ActiveCN223425920UMachine part testingMechanical solid deformation measurementsAbnormal positionsStructural engineering
The utility model relates to the technical field of testing fixtures, in particular to a testing fixture for an electronic control unit positioning tray, which comprises a bottom plate, a tray positioning pin, clamps, a floating plate and guide pins, the tray positioning pin, the guide pins and the clamps are mounted at the top of the bottom plate, the clamps are positioned on two sides of the top of the bottom plate, and guide holes and mounting holes are arranged on the surface of the floating plate. A slidable floating head is mounted in each mounting hole, a spring is sleeved outside each floating head, and two ends of each spring respectively abut against the lower surface of the corresponding mounting hole and a boss at the bottom of the corresponding floating head. Compared with the prior art, whether the positioning tray is deformed or not is judged through the tray positioning pin, whether the product positioning pin of the positioning tray is deformed or loosened or not can be quickly judged through whether the floating head in the floating plate mounting hole is jacked up or not, and the abnormal position can be quickly positioned; the inspection efficiency of the positioning tray is improved, and the product risk caused by the unqualified positioning tray is reduced.
Owner:SHANGHAI CAIAIFU STEERING SYST WUHAN CO LTD
Rapid monitoring device for deformation of photovoltaic flexible support
PendingCN121814003APhotovoltaic supportsPhotovoltaic monitoringDeformation monitoringMechanical engineering
The invention discloses a photovoltaic flexible support deformation rapid monitoring device, and relates to the technical field of support deformation monitoring, the photovoltaic flexible support deformation rapid monitoring device comprises a rigid support structure, a flexible support structure and a photovoltaic panel, and two ends of the bottom of the rigid support structure are provided with tension detection mechanisms used for monitoring structural tension and deformation conditions of the flexible support structure; the middle part of the bottom side of the rigid supporting structure is provided with a lifting angle adjusting mechanism used for adjusting the pitching angle of the photovoltaic panel. An elevation angle measuring mechanism is arranged on the side surface of the lifting angle adjusting mechanism; the tension detection mechanism comprises an arc-shaped steel sheet, the middle part of the arc-shaped steel sheet is fixedly connected with channel steel, and the top surface of the channel steel is fixedly connected with an upper hinge block, the tension of the sling and the working posture of the photovoltaic panel can be remotely monitored in real time, accurate data support is provided for tension adjustment, the subsequent maintenance and inspection process is also greatly simplified, and the working efficiency is improved. Therefore, comprehensive improvement of system safety, service life prolonging and operation and maintenance convenience is realized.
Owner:SHARE POWER
DEVICE AND METHOD FOR ADJUSTING THE MEASURING RANGE AND SENSITIVITY OF MICROMECHANICAL SENSORS
Owner:RUHR UNIV BOCHUM
Material Testing Machine
ActiveJP7809977B2Material strength using tensile/compressive forcesMechanical solid deformation measurements
To provide a material testing machine in which the positional relation between a pair of grippers and a pair of arms can be appropriately changed by a simple structure.SOLUTION: A material testing machine (1) comprises: a load mechanism (35) for loading a test force on a test piece (T) both ends of which are held by a pair of grippers (38, 39); and an elongation measuring device (70) for fixing a pair of arms (80, 90) to a pair of marked lines (M1, M2) provided on the test piece (T) and measuring an elongation between the pair of marked lines (M1, M2). In the material testing machine (1), the elongation measuring device (70) includes a positioning mechanism (100) for pushing and moving the pair of arms (80, 90) in conjunction with the movement of the load mechanism (35) and positioning the pair of arms (80, 90) between the pair of grippers (38, 39). The positioning mechanism (100) includes an actuator (102) for adjusting push and move amounts (U1, U2) of the pair of arms (80, 90) in accordance with the length of the test piece (T).SELECTED DRAWING: Figure 2
Owner:SHIMADZU SEISAKUSHO LTD
A multi-stage pressure-released supporting structure and a supporting method applied to underground engineering
ActiveCN116556987BForce measurement by measuring frquency variationsUnderground chambersArchitectural engineeringBolt connection
The application discloses a multistage pressure-releasing supporting structure applied to underground engineering, and relates to the technical field of underground engineering, in particular to a multistage pressure-releasing supporting structure applied to underground engineering.
Owner:SHANDONG UNIV OF SCI & TECH +1