827results 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.

Disclosed are various embodiments for a sensor enabled geogrid for the monitoring and detection of subgrade deformation in infrastructure such as roadways, railways, working platforms, and marine applications. The system and methods contain a sensor enabled geogrid, inertial measurement units (IMUs), one or more sensors, a data collection apparatus such as a sensor pod, an information transmission apparatus such as a gateway device, a communications network, and a computing device capable of performing analytics on information from the IMU's and other sensors. The disclosure further includes methods of processing information received from a sensor enabled geogrid by a sensor pod. In the example, the sensor pod transmits received information to a gateway device for transmitting to a backend computing system. The backend computing system then performs an analysis on the information to determine variance from an initial sensor position, and alerts of possible infrastructure failure.

The invention relates to the technical field of ground deformation monitoring equipment, and provides a ground deformation monitoring device for mine treatment construction and a use method.The ground deformation monitoring device comprises a second fixing frame and a first fixing frame, a shaft rod is arranged between the second fixing frame and the first fixing frame, and a synchronizing mechanism is connected between the shaft rod and a ground insert; in the displacement process of the ground socket, the shaft rod can be adaptively rotated through the synchronizing mechanism. In the process that the transmission assembly and the jacking mechanism are synchronously driven, the presenting assembly can be transmitted and jacked through the lifting assembly, so that track drawing can be conducted on the presenting assembly through the recording assembly, that is, in the winding and unwinding process of the recording tape, a transverse plate can correspondingly move upwards, a line drawn by a pen refill is an oblique line every time, and the working efficiency is improved. Under the condition that the transverse distance is not changed, when the ground deforms for multiple times, the deformation degree, frequency and direction can be clearly obtained through the continuous broken lines on the recording tape.

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.

Provided in the present invention are a device and method for monitoring the welding deformation of a base in the field of welding. The device comprises a round base assembly, adjustment rod assemblies, pointer support assemblies and dial assemblies, wherein the adjustment rod assemblies are arrayed around the round base assembly, each adjustment rod assembly is provided with a long round rod, the axes of four long round rods are adjusted until the four long round rods are horizontal and diagonally collinear, and the four long round rods can be coplanar as a whole; each pointer support assembly is positioned in a base positioning hole, and a cylindrical pointer in each pointer support assembly is coaxial with the base positioning hole; and each dial assembly is assembled on the long round rod, each dial assembly is provided with a dial, and the cylindrical pointer is perpendicular to the dial. The cylindrical pointers display the actual positions of the base positioning holes, the dials in the dial assemblies display the hole center positions of theoretical base positioning holes, and a deviation line is marked on each dial, thus facilitating the comparison between theoretical data and actual data; and by means of monitoring the relative positions of the base positioning holes in real time, data reference and position reference are provided for welding process adjustment. The present invention is suitable for being applied as a device and method for monitoring the welding deformation of a base.

The present application relates to the technical field of bridge displacement detection during bridge construction, and in particular to a bridge displacement detection device and a detection method during bridge construction, including a mounting frame, on which a detection mechanism is arranged. In the detection mechanism designed by the present invention, a plurality of moving blocks can perform detection and processing on different positions of a bridge by cooperating with a marking pen and a paper tape, so as to increase the detection data group, reduce the singleness of the detection data, and make the detection data more representative; in the bridge displacement detection method during bridge construction designed by the present invention, the interference block is made to be a certain distance away from the bottom of the bridge (that is, the safe displacement length), so that the displacement of this section can offset the displacement of normal shaking of the bridge, so as to avoid the possibility that the shaking under the normal displacement of the bridge is mistaken for abnormal shaking.

The utility model relates to the technical field of deformation detection tools, and discloses a deformation detection tool for an automobile instrument panel, which comprises a working table, a lower detection mold arranged at the middle end of the upper end face of the working table, cylinders fixedly mounted on two sides of the lower detection mold, a top plate fixedly mounted at piston ends of the two cylinders, and connecting plates symmetrically and fixedly connected on two sides of the lower end face of the top plate. Two transverse plates are fixedly connected between the two connecting plates, the bottom ends of the two connecting plates are fixedly connected with an upper detection mold, the upper detection mold is provided with a plurality of detection assemblies used for detecting deformation of the automobile instrument panel, when the upper detection mold moves downwards, the upper detection mold and the lower detection mold are closed, and if the automobile instrument panel deforms, the detection assemblies are opened. When the automobile instrument panel deforms, the positioning rod moves upwards due to the deformed and protruded part of the automobile instrument panel, so that the top block arranged at the top end of the positioning rod extrudes the control switch upwards, and an external power supply supplies power to the warning lamp to remind a worker that the automobile instrument panel deforms.

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.

The invention relates to a computer-implemented method for determining a degradation measure with respect to deformation and / or delamination between two layers in a building block (1) constructed in a layer structure, comprising the following steps: - Acquisition (S1) of at least one measured value of mechanical and / or geometric and / or thermal measured quantities distributed locally over a main surface of the building block (1), - Determining (S2) a measurement data tensor to obtain depending on the multiple measured values, wherein element values ​​of the measurement data tensor each depend on a mechanical and / or geometric and / or thermal measured quantity at a respective measuring point; - Determining (S4) a difference tensor between the measurement data tensor and an initially determined reference measurement data tensor; - Determining (S5) a distribution parameter of the elements of the difference tensor as a deformation specification.

The invention discloses a hydraulic breaker hammer, which relates to the technical field of hydraulic breaker hammers. The hydraulic breaker hammer comprises a hammer body, a drill rod is movably connected to the lower end of the hammer body, and also comprises: a double-sided balance monitoring mechanism, a multi-directional bending detection mechanism and a crushing auxiliary anti-wear mechanism, and the double-sided balance monitoring mechanism, the multi-directional bending detection mechanism and the crushing auxiliary anti-wear mechanism are all arranged at the lower end of the hammer body. Through the arrangement of the double-sided balance monitoring mechanism, in the process that the drill rod moves up and down inside the hammer body to reciprocately crush the objects to be crushed below, the inclination of the balance plate can be used to push the moving plate to move, so as to separate two contacts and start an external alarm to perform a tilt warning, which can prompt the operating personnel to deal with the inclination of the drill rod in time and stop the reciprocating crushing movement of the crushed objects, so as to avoid the irreversible damage to the hammer body caused by the long-term tilting and crushing movement of the drill rod.

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 method and a system for determining the interference fit distance between a cable aluminum sheath and a buffer layer. The method comprises the following steps: determining a relation curve between the resistivity of the current buffer layer thickness and the deformation distance; marking a starting point, an end point and a plurality of assumed turning points in the relation curve, and for each assumed turning point, connecting the starting point and the assumed turning point to obtain a first fitting line segment, and connecting the assumed turning point and the end point to obtain a second fitting line segment; acquiring all original point data on the relation curve, and determining an optimal turning point on the relation curve according to all the original point data, the slope of the straight line where the first fitting line segment is located and the slope of the straight line where the second fitting line segment is located; and determining a deformation distance corresponding to the optimal turning point on the relation curve, and determining the deformation distance as the optimal interference fit distance between the aluminum sheath and the buffer layer. The optimal interference fit distance can be determined, and therefore it is guaranteed that the buffer layer has the good absorption capacity for thermal expansion of the XLPE insulating layer, and good conductivity is achieved between the aluminum sheath and the insulating shielding layer.

The invention belongs to the technical field of natural disaster monitoring and early warning, and particularly discloses a landslide deformation monitoring device which comprises monitoring piers, the monitoring piers are arranged on the two sides of a crack, a monitoring box is fixedly arranged on the upper side of one monitoring pier, and a rope end fastening mechanism is arranged on the upper side of the other monitoring pier. A winding disc, a displacement monitoring mechanism and a centrifugal driving anti-interference mechanism are arranged in the monitoring box, the winding disc is rotationally arranged on the side wall of the monitoring box in a clamped mode, the displacement monitoring mechanism is located on the rope outlet side of the winding disc, the centrifugal driving anti-interference mechanism and the winding disc are coaxially arranged, and the winding disc is connected with a tension pre-tightening mechanism on the outer side of the monitoring box. A solar power assembly is arranged on the upper side of the monitoring box. According to the invention, a pure mechanical structure is utilized to judge the real reason of the change of the monitoring value, the influence of external interference on the crack width monitoring result is effectively eliminated, so that false alarm is avoided, the requirement of frequently going to the site for troubleshooting is reduced, the installation is simple, convenient and rapid, complex operation is not needed, and the device can be rapidly deployed in various terrain environments.

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 present invention discloses a rockfill material testing device, characterized in that it comprises a container, a permeable bottom plate, a permeable top plate, a circular cylinder, a pressurizing mechanism, a measuring mechanism and a control system; the outer diameters of the permeable bottom plate and the permeable top plate match the inner diameter of the circular cylinder, the permeable bottom plate is placed at the bottom of the container, and the permeable bottom plate, the circular cylinder and the permeable top plate form a space for accommodating the rockfill material; the pressurizing mechanism is used to apply a downward test force to the permeable top plate; the measuring mechanism is used to measure the displacement and test force of the permeable top plate; the control system communicates with the measuring mechanism and the pressurizing mechanism respectively, and is used to receive and process data obtained by the measuring mechanism, and control the pressurizing mechanism. The present invention also relates to a rockfill material testing method. The test device provided by the present invention can be used to study the wetting characteristics of the rockfill material under axial stress state and the softening characteristics under long-term immersion state, and finally obtain the wetting constitutive model parameters and uniaxial rheological model parameters of the rockfill material under uniaxial stress state.

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.

The utility model discloses a mine laneway deformation measuring device, which belongs to the technical field of mining equipment and comprises a frame and a plurality of measuring rods, the frame is provided with a plurality of mounting grooves matched with the measuring rods, the measuring rods penetrate through the frame through the mounting grooves, and springs positioned on the outer sides of the measuring rods are mounted in the mounting grooves. And the outer side of the measuring rod is provided with a limiting piece matched with the spring. Through the arrangement of the measuring rod, the infrared switch, the warning lamp and the alarm, the frame can be installed in a roadway during use, the measuring rod can be extruded when the roadway deforms, the measuring rod can move towards the inner side of the frame, and when the measuring rod blocks infrared light emitted by the infrared switch, the warning lamp can warn the roadway. When the measuring rod moves, the warning lamp and the alarm can be started to remind underground workers, and meanwhile the workers can know the deformation of the roadway according to the moving distance of the measuring rod.

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 invention relates to the technical field of road nondestructive testing, in particular to road disease nondestructive testing equipment based on intelligent frequency conversion, which comprises a frame bottom plate, walking wheels are rotatably connected in the lower surface of the frame bottom plate, a hanging buckle frame is fixedly connected to one side of the frame bottom plate, and transmission shafts are symmetrically and rotatably connected in the lower surface of the frame bottom plate. One end of the transmission shaft away from the frame bottom plate is fixedly connected with a cleaning turntable; the road and the detection parts are cleaned from the perspective of machinery, interference of sundries on detection is reduced, disease detection is performed on the target road from two points of the outside and the inside of the road, the flatness detection condition of the target road is preliminarily known, and the detection efficiency is improved. Meanwhile, whether diseases exist in the target road or not is accurately analyzed in an ultrasonic detection mode, settlement or deformation of the target road is further detected from the perspective of vibration, and the disease degree of the target road is divided in an information fusion mode so that the disease degree of the target road can be visually known.

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 invention relates to the technical field of internal combustion engine operation condition monitoring, in particular to a measuring device and a measuring method for measuring valve stroke difference and valve bridge deformation, a valve bridge guide pillar and a shaft are fixed into a whole, and the valve bridge guide pillar deformation quantity caused by uneven valve stress is calculated by calculating the rotation angle of a T-shaped pointer on the shaft; a parallel plate on a valve guide column is connected with a crankshaft arranged on a shaft through a crank-link mechanism structure, vertical reciprocating motion of the parallel plate is converted into reciprocating rotation motion of the crankshaft through the crank-link mechanism, the crankshaft drives a whole formed by a pointer support and a T-shaped pointer to do reciprocating rotation motion, and the valve stroke difference is obtained through calculation. The valve bridge guide pillar deformation and the valve stroke can be measured at the same time and can also be measured independently, disassembly and assembly are easy, and the precision of the high-speed camera and the dial and the size of each part of the device can be selected according to actual conditions and requirements.

The invention relates to the technical field of pipeline deformation detection, and mainly relates to a deformation detection device for an underground drainage pipe, which comprises a robot vehicle and a lifting platform mounted on the robot vehicle, side plates are fixed at two ends of the lifting platform, and fitting parts fitted with the inner wall of the underground drainage pipe are mounted on the side plates; the device comprises a lifting platform and a fitting part, the lifting platform is provided with two side plates, the outer sides of the two side plates are sleeved with the drawing roll, the lifting platform is provided with a drawing part used for drawing the drawing roll, and the fitting part is provided with a surveying and mapping assembly fitted with the outer side of the drawing roll. And after the pipeline inner wall is moved to the to-be-detected area, the fitting rod in the fitting part rotates, rotary fitting is performed on the pipeline inner wall, and the deformation condition of the pipeline inner wall is drawn on the drawing roll by means of the surveying and mapping assembly, so that the deformation condition of the pipeline inner wall can be accurately and effectively detected.