622results about "Mechanical solid deformation measurements" patented technology

The invention relates to a charging pile gun state intelligent detection method and system, and the method comprises the steps: collecting a charging gun head electromagnetic signal, a gun handle temperature gradient and an interface contact surface mechanical strain signal in real time based on a multi-mode sensor array, constructing a space-time coupling data cube, separating the independent components of an electromagnetic field, a temperature field and a strain field, and obtaining a space-time coupling data cube; the multi-physical field coupling interference is eliminated; designing a dynamic cross compensation mechanism to correct mutual influence among sensor data; extracting multi-domain features and carrying out adversarial weight fusion to generate a comprehensive state representation vector; state scores are generated in combination with similarity matching of the dynamic reference library, and abnormal grade classification is achieved; according to the method, the problems of multi-field coupling interference separation, dynamic drift compensation and multi-dimensional feature joint modeling can be solved, the accuracy and real-time performance of poor contact of the charging gun, overheating early warning and mechanical deformation detection are improved, and a guarantee is provided for safe operation of charging facilities.

The utility model relates to the related technical field of inclination measuring devices, in particular to a deep foundation pit excavation deformation real-time monitoring device which comprises a bottom plate. A portal frame is fixedly connected to the top of the bottom plate, a through hole is formed in the bottom plate, a circular plate is arranged in the through hole, a plurality of expansion plates are arranged at the bottom of the circular plate, and the expansion plates are all slidably connected with the circular plate. Under the cooperative action of the portal frame, the through hole, the circular plate, the expansion plate, the protection mechanism and the lifting mechanism, the device supports the inner wall of the deep foundation pit while detecting the deformation condition of the inner wall of the deep foundation pit, the situation that the inner wall of the deep foundation pit collapses due to deformation is avoided, and the working efficiency of the deep foundation pit is improved. The problem that an existing deep foundation pit excavation deformation real-time monitoring device does not have the function of supporting the inner wall of a deep foundation pit, and consequently collapse easily occurs after the inner wall of the deep foundation pit deforms is solved.

The invention discloses vacuum degassing and automatic oiling equipment for a transformer, and relates to the technical field of transformer oiling. Comprising an oil injection device, the bottom of the oil injection device is provided with an anti-bubble suction part, and the anti-bubble suction part is used for preventing bubbles; a mistaken suction prevention part is mounted on the bubble prevention suction part; the mistaken suction prevention part is used for preventing transformer oil from being sucked mistakenly; a floating lifting adapter is mounted on the oil injection device; a film spacer is mounted on the floating lifting adapter; the film spacer is used for spacing new oil and old oil; the thin film spacer can be matched with the floating lifting adapter, so that new oil and old oil are isolated during oil change, mixing of the new oil and the old oil can be reduced, oil change quality is improved, and waste of the new oil is reduced; the problems that an existing transformer vacuum degassing automatic oiling device can only conduct small-amount oiling generally when a transformer does not stop working, and new and old oil isolation replacement oiling is not convenient to conduct are solved.

The invention discloses a sealing ring inner diameter detection device and an inner diameter detection method thereof.The sealing ring inner diameter detection device comprises an outer taper pipe and a guide pipe, the guide pipe and one end of the outer taper pipe can be connected in an inserted mode, the outer circumferential face of the guide pipe is movably sleeved with a push pipe, the outer taper pipe is a pipe with the diameter gradually changing from small to large, and when the guide pipe and the outer taper pipe are connected in an inserted mode, the push pipe is inserted into the guide pipe. The small-caliber end of the outer taper pipe is arranged in the push pipe, scales are arranged on one side of the outer taper pipe side by side, and the outer taper pipe is sleeved with a sealing ring. The device is simple in structure and convenient to operate, can quickly and accurately measure the inner diameter of the rotary Glyd ring, and can detect the roundness, elasticity, wear degree, hardness and other performances of the rotary Glyd ring at the same time.

A deformation monitoring device for geological landslide relates to the technical field of natural disaster monitoring and early warning, and comprises two monitoring pier bodies, a pull rope, a fixed seat, a support, a stay wire mechanism and an energy storage mechanism, the two monitoring pier bodies are correspondingly arranged on two sides of a ground crack, the pull rope is arranged between the two monitoring pier bodies in a tightened state, and the fixed seat is arranged on the support. The number of the fixing seat is one, the fixing seat is fixedly arranged between the two monitoring pier bodies in the front-back linear direction, the support is installed on the upper surface of the fixing seat, and the pull rope mechanism and the energy storage mechanism are arranged in the middle of the pull rope, so that the problem that the pull rope is interfered by external sundries is effectively solved; the motor drives the screw rod threaded block to reciprocate front and back, the wire hooking groove in the connecting plate pulls the pull rope to the edge of the support and loosens the pull rope, the check block of the energy storage mechanism blocks the rebounded pull rope to store energy, and when the threaded block drives the connecting plate to reset, the energy storage pull rope is released, and sundries are shaken off through resilience force.

A deformation detection apparatus includes a cell movement-control assembly to handle a linear motion and a rotational motion of a battery cell, a body that supports the cell movement-control assembly, a digital micrometer, and control circuitry. The control circuitry controls a displacement of the battery cell between a first position and a second position along a longitudinal axis through a scanning region of the digital micrometer and a plurality of rotational positions of the battery cell at a plurality of charge states and a plurality of discharge states. The control circuitry measures a plurality of outer diameter values of the battery cell for a plurality of linear positions and a plurality of rotational positions along the longitudinal axis of the battery cell and determines a change in a geometrical shape (deformation and / or strain) of the battery cell for the plurality of linear positions and the plurality of rotational positions.

The invention discloses a mine side slope stability monitoring device, and relates to the technical field of mine side slope stability monitoring, the mine side slope stability monitoring device comprises a monitoring assembly and a mine side slope, the monitoring assembly is installed at the top end of the mine side slope, the monitoring assembly is installed on the mine side slope, the number of the monitoring assembly is multiple, and the monitoring assembly is installed on the mine side slope. The monitoring assembly comprises a rotating seat and a fixing part, the rotating seat is located at the front end of the fixing part, a vertical inserting groove is formed in the upper surface of the rotating seat, the vertical inserting groove vertically penetrates through the rotating seat, a vertical detection rope is inserted into the vertical inserting groove, transverse inserting grooves are formed in the surfaces of the two sides of the rotating seat, and the transverse inserting grooves penetrate through the rotating seat. By means of the scheme, the problems that an existing mine slope stability monitoring method uses a large number of electric devices, installation is complex, a large amount of electric power laying is needed, faults and damage are prone to occurring, cost is high, operation is complex, slopes are damaged, and monitoring data are not accurate are solved.

The invention discloses a simulation device and method for measuring tunnel segment staggering, the simulation device is used for simulating a pipe jacking method to build a connection channel, the simulation device comprises a main tunnel, a pipe jacking machine, a model box, a supporting seat and a sensor, the pipe jacking machine is arranged in the main tunnel, the model box is arranged on the periphery of the main tunnel, and the supporting seat is arranged on the supporting seat. The pipe jacking machine is used for penetrating through a through hole in the side face of a main tunnel to jack a connecting channel pipe piece into a model box to form a connecting channel, the supporting base is fixed outside the main tunnel, the sensors are connected with the supporting plate through installation pieces, the number of the sensors is at least two, and the sensing ends of the sensors are connected with the two sides of a pipe seam of the main tunnel respectively. According to the method, a foundation is provided for carrying out pipe jacking method connection channel construction, convenience is provided for carrying out subsequent specific analysis, construction time and economic cost are saved, and engineering quality safety is improved.

The utility model relates to a bridge expansion joint displacement monitoring device along the bridge direction, which comprises a support frame, the support frame is provided with an elastic support member used for being installed in an expansion joint, and two elastic surfaces of the elastic support member respectively abut against two side walls of the expansion joint; the supporting frame is further provided with a fixing shell and a pointer, the pointer is movably installed on the outer wall of the shell, and a linkage assembly is connected between the pointer and the elastic supporting piece. The linkage assembly can move when the distance between the two elastic faces of the elastic supporting piece is increased or decreased, so that the position of the pointer on the shell is driven to change through the displacement of the linkage assembly, and a worker can visually observe the change of the bridge expansion joint structure by observing the movement change of the pointer.

The invention provides a strain gauge calibration method, device, equipment and system and a storage medium, and relates to the technical field of calibration of measuring instruments. The method comprises the following steps: calculating a difference value between a displacement measurement value measured by a displacement measurement device and a strain target value of a measured strain gauge; performing multi-scale feature extraction and one-dimensional feature extraction on the difference value by using an intelligent control model formed based on a Res2Net block and a Flatten layer, and obtaining a predicted duty ratio and a predicted pulse number according to a multi-scale feature extraction result and a one-dimensional feature extraction result; controlling the servo motor according to the predicted duty ratio and the predicted pulse number so as to update the displacement measurement value; and acquiring a strain output value of the measured strain gauge based on the strain acquisition device when the updated displacement measurement value is equal to the strain target value, and calibrating the measured strain gauge according to the strain output value. According to the invention, the problems of insufficient precision and limited intelligent control degree, such as overshoot and jitter, possibly existing in the calibration process can be effectively avoided.

The invention relates to a method and device for calculating internal deformation of a gravel soil slope body through tracer particle tracks. The method comprises the following steps that tracer particles are pre-buried at preset observation points in a gravel soil slope rainfall instability model; determining the positions of leading-out points corresponding to the X axis, the Y axis and the Z axis of the tracer particles in the gravel soil slope rainfall instability model, and respectively recording the distance from the tracer particles to each leading-out point; enabling the gravel soil landslide model to generate seepage, and recording the change of the distance between each extraction point and the tracer particles generating displacement at fixed time intervals; and processing the recorded data through a data processing program, and solving the position of the tracer particle at each data recording time point according to a tracer particle position formula. According to the method, the extremely small tracer particles are put into the slope body of the gravel soil slope rainfall instability model, the accurate displacement in the slope body is obtained under the condition of almost zero influence, and the method has the advantages of simplicity, real-time performance, reliability and economical efficiency.

An aspect of the current disclosure includes a pouch cell deformation testing apparatus and a deformation testing method using the same. The pouch cell deformation testing apparatus may include a die unit configured to allow a pouch cell to be seated thereon in an erected state, and a measurement member located above the die unit. The measurement member may be configured to measure a flatness of the pouch cell.

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

Systems and apparatus related to adaptive support garments including adaptive support structures, lacing systems, and an adaptive engine are discussed. In an example, an adaptive support garment includes a support structure, a plurality of lace guides, a lace cable, and an adaptive engine. The support structure is configured to wrap around a portion of anatomy of a wearer and apply a compression on the portion of anatomy. The plurality of lace guides are disposed on the support structure. The lace cable extends through the lace guides to form a lacing pattern over a lacing region of the support structure. The adaptive engine is coupled to the support structure and engages with the lace cable. The adaptive engine is also configured to increase or decrease tension on the lace cable to increase or decrease compression of the support structure on the portion of anatomy, respectively.

The utility model discloses a tunnel construction vault deformation monitoring device which comprises a door frame, a fan-shaped supporting frame arranged on the door frame, a supporting column slidably connected to the fan-shaped supporting frame in a fan shape, a fan-shaped measuring table arranged in the fan-shaped supporting frame and a fan-shaped supporting plate fixedly connected to the outer end of the supporting column. The fan-shaped measuring table is provided with a weight sensor corresponding to the supporting column. According to the tunnel construction vault deformation monitoring device, the door frame, the fan-shaped supporting frame, the fan-shaped measuring table, the supporting column and the weight sensor are arranged to support and monitor a vault in a tunnel, data transmission is rapid and accurate, monitoring and early warning of different degrees can be carried out, and the monitoring accuracy is improved. The problem of hysteresis of tunnel vault monitoring by adopting electronic equipment at present is effectively solved.

The invention belongs to the technical field of bridge monitoring, particularly relates to a bridge abutment settlement deformation monitoring device, and provides the following scheme aiming at the problems that time and labor are wasted and a result cannot be quickly and obviously known when a level gauge is used for monitoring bridge abutment settlement in the prior art. The fixing plate I is fixed on the side surface of a detected bridge pier and close to the top end, the tensioning plate seat I and the tensioning plate seat II are fixed on the same side of a front bridge pier and a rear bridge pier of the detected bridge pier and close to the top end, the same indicating mechanism is fixed between the tensioning plate seat I and the tensioning plate seat II, and the indicating mechanism comprises a spherical shell monitoring cap with a downward opening. According to the invention, during monitoring, the monitoring rod and the vertical rod in the indicating mechanism can be ensured to form relative separation, once the middle detected pier is settled, the compression spring is lengthened and the inner sliding rod axially slides, and at the moment, whether the detected pier is settled or not and the settlement amplitude can be obtained only by observing the slippage amount of the inner sliding rod.

The invention relates to an intelligent railway tunnel detection method based on a stress sensing rod, which is applied to the field of detection, and comprises the following steps of: embedding the stress sensing rod in surrounding rock, and detecting deformation of the surrounding rock in the vertical, transverse and longitudinal directions by using a detection unit, so as to analyze and obtain the release direction and deformation of stress; the stress sensing rod is filled with air, and the air is extruded by utilizing the extrusion effect when the stress sensing rod deforms, so that the indicating liquid is driven by the air to be extruded into a specified position, and the deformation amount of the surrounding rock can be known by observing the length of the indicating liquid, so that field maintenance personnel can visually express the deformation amount; and the visual expression form and the detection value of the detection unit can be mutually verified, so that the detection accuracy and stability are effectively improved, in addition, a corresponding support adjustment scheme can be provided for maintenance personnel according to the detection value, and the safety of the tunnel is effectively improved.

This application relates to the technical field of mechanical property testing, in particular to a stress relaxation deformation testing device for fasteners and its testing method. The testing device of this application includes a connecting part connected to the fastener to be tested, and also includes a measuring part for testing the deformation of the fastener. The connecting part includes an upper connecting sleeve and a lower connecting sleeve, and the measuring part includes an upper extensometer and a lower extensometer. The measuring device of this application is convenient to use and has high precision. It can be used for conventional fasteners, such as those between specifications M3 - M16, and can be used for measuring the stress relaxation deformation of the whole under normal temperature and high temperature environments, which is close to the actual working conditions and can better meet the life design and safety factor considerations in engineering practice applications. In addition, for aerospace fasteners, testing the whole fastener is more conducive to reducing the testing cost of enterprises, alleviating the economic burden of enterprises, and creating greater value for enterprises.

The invention relates to the technical field of deformation detection devices, in particular to a deformation detection device for cable processing, which comprises a base, a bracket, a transmission wheel, a limiting ring and a mounting frame, the support and the transmission wheels are installed on the base. The two limiting rings are mounted on the bracket; spring telescopic rods are uniformly mounted in the limiting ring; the tail end of the spring telescopic rod is fixedly connected with a clamping block; balls are mounted on the clamping blocks; the contact block is fixed through a bolt; and the mounting frame is movably connected with the connecting ring, so that the mounting frame can shake. The limiting rings and the clamping blocks are arranged on the two sides of the mounting frame, shaking and vibration of the cable are reduced, then the mounting frame is clamped on the outer surface of the cable, and the mounting frame shakes along with the cable, so that the influence of cable shaking on a detection result is reduced, and the detection result of cable deformation is more accurate.

The invention relates to the technical field of high-temperature thermal deformation of barrels, in particular to a method for repairing deformation of an iron phosphate roasting furnace barrel through thermal calibration, which comprises the following steps of: firstly, determining a deformation position by measuring a run-out value, and then repairing the deformation by gravity by adopting a partition heating mode. The deformation of the roasting furnace is calibrated by adopting a high-temperature thermal calibration mode, and the operation is simple; and meanwhile, self-alignment calibration of deformation of the furnace barrel is carried out in a temperature rising and falling and furnace barrel intermittent rotation mode, and compared with a traditional calibration technology, time and repair cost are saved.

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.

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.

The invention relates to the technical field of titanium alloy precision casting shape detection, in particular to a tool and a method for detecting whether a molded surface of a lap joint section of a shunt ring is deformed or not. The three supporting columns are annularly and uniformly distributed on the disc body; the positioning block is fixedly connected to the bottom end of the supporting column, and a positioning spigot is formed in the positioning block and used for being connected to a reference positioning ring of the casing type titanium alloy casting in a clamped mode; the detection base block is connected with the disc body through a rib plate assembly; the detection base block is provided with a first detection spigot used for detecting the outer profile of the lap joint section of the shunt ring. The detection movable block is installed on the detection base block, and a second detection spigot used for detecting the inner molded surface of the lap joint section of the shunt ring is arranged on the detection movable block; the first detection seam allowance and the second detection seam allowance jointly form a detection groove, and the detection groove is used for being clamped on a shunt ring lap joint section of the casing type titanium alloy casting.

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

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.

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.

The invention relates to the technical field of joint mixture detection, and discloses a joint mixture expansion rate detection device which comprises a measuring cylinder, to-be-detected liquid is contained in the measuring cylinder, a circular ring is arranged on the measuring cylinder, a fixing mechanism for fixing the circular ring on the measuring cylinder is arranged on the circular ring, a supporting table is arranged on the circular ring, and a detection column is movably inserted into the supporting table. Compared with the prior art, the device has the advantages that results are read by arranging the floating plate, the first detection mechanism, the detection column and the movable sleeve, so that errors caused by manual reading of the measuring cylinder are avoided, and the results are more objective and accurate.