156 results about "Surface deformation" patented technology

The invention discloses a guideboard surface deformation detection method and system based on a dynamic video sequence. The method comprises the following steps: acquiring road video data with a timestamp and position information; a traffic sign is automatically identified from the road video data, and geometric anomaly detection is carried out; a time sequence tracking sequence is established for the guideboard, and whether continuous abnormity exists in the guideboard is determined through multi-frame analysis; if yes, performing local texture consistency and local contour geometric analysis on the guideboard to obtain a fusion analysis result; performing state evaluation on supporting equipment corresponding to the guideboard to obtain a state evaluation result of the guideboard supporting equipment; and determining the final surface deformation state and the corresponding grade of the guideboard based on the fusion analysis result and the state evaluation result of the guideboard supporting equipment. By implementing the method provided by the invention, automatic detection and quantitative analysis of the bending or deformation condition of the road sign can be realized without manual intervention, and early warning information can be output in time.

The invention relates to the technical field of defect detection, and provides a super-precision spring defect detection method and system, and the method comprises the steps: obtaining the surface deformation information of a to-be-detected super-precision diaphragm spring; extracting current defect feature data from the surface deformation information; storing the current defect feature data to a defect feature cache region; comparing the current defect feature data with historical defect feature data stored in a defect feature cache region to judge whether the current defect feature data has space-time constancy or not, and obtaining a space-time constancy judgment result; according to the time-space constancy judgment result, defect type marks corresponding to the current defects are judged as system artifacts or real product defects; and generating a detection report, and displaying the defect type mark based on a preset display rule for distinguishing and displaying the system artifacts and the real product defects. The method has the advantages that system artifacts and real product defects are distinguished, the detection accuracy and efficiency are improved, and unnecessary production interruption and verification cost are reduced.

The invention relates to an electrically-assisted biaxial stretching forming limit testing system and method for a plated plate, and belongs to the technical field of bipolar plate testing.The testing method comprises the following steps that a bipolar plate sample is heated through pulse current and then stretched; and meanwhile, temperature, displacement, load and surface deformation images of the bipolar plate sample during stretching are collected, ultrasonic detection is carried out, and a basic forming limit curve is established based on a plastic instability criterion and is dynamically corrected. Dynamic evolution of necking initiation, expansion and interface failure in the stretching process can be synchronously tracked, actual working condition requirements can be better met, interface thermal mismatch aggravated by Joule heat is avoided, and the influence of insufficient sensitivity of a general ultrasonic algorithm can be made up through multi-physics field detection. The failure criterion is redefined as the critical state of plating-substrate interface separation, and the error of the critical failure point predicted by the forming limit curve is further reduced.

The invention provides a coal mine subsidence area earth surface deformation monitoring device, and relates to the technical field of monitoring devices.The coal mine subsidence area earth surface deformation monitoring device comprises a fixing bottom plate, a supporting structure is arranged on the fixing bottom plate, an adjusting structure is arranged on the fixing bottom plate in a sliding fit mode, a fixing structure is arranged on the adjusting structure, and a locking structure is arranged between the adjusting structure and the fixing bottom plate; a detection structure is arranged in the supporting structure, a monitoring structure is arranged on the supporting structure, the detection structure corresponds to the adjusting structure, a pushing structure is arranged between the supporting structure and the detection structure, a stabilizing structure is arranged in the detection structure, and the stabilizing structure corresponds to the pushing structure. According to the device, the adjusting structure is slidably installed on the fixing bottom plate, the fixing structure is installed on the adjusting structure, the fixing position of the fixing structure can be adjusted through the adjusting structure, and therefore the device can be well fixed to the ground according to needs, the stability of the device is guaranteed, and the position of the adjusting structure can be locked through the locking structure.

The invention discloses a steel structure machining device and method, and relates to the technical field of steel structure manufacturing, the steel structure machining device comprises two guide rails, an upper shape restraining assembly and a lower shape restraining assembly, the upper shape restraining assembly and the lower shape restraining assembly are arranged at the tops of the two guide rails correspondingly, and through the synergistic effect of the upper shape restraining assembly and the lower shape restraining assembly, the steel structure is machined. The whole-process precise regulation and control of H-shaped steel welding from dynamic deformation suppression to quality stability guarantee are achieved, and the method is different from a traditional extensive scheme of depending on a single rigid pressing roller and fixed hydraulic bag passive shape suppression and multi-device dispersed operation, so that H-shaped steel welding shape suppression operation is more precise, more stable, more efficient and more flexible, and the production efficiency is improved. The upper shape restraining assembly achieves accurate recognition and active restraining of the deformation gradient of the upper surface of the wing plate by means of the partition hydraulic bag design and the multi-sensing fusion sensing capacity of the upper shape restraining assembly, and the lower shape restraining assembly achieves the conveying function through an innovative hydraulic flexible conveying roller structure and forms rigid supporting on the lower surface of the wing plate from the bottom at the same time.

A surface deformation monitoring method and systems based on time-series InSAR (TS-InSAR) are provided. The method includes acquiring Synthetic Aperture Radar (SAR) data; performing differential interferometry; performing a robust two-tier multi-temporal InSAR method for detection of Persistent Scatterer (PS) and Distributed Scatterer (DS) candidates to acquire time series data for surface deformation monitoring; performing a variational mode decomposition (VMD) method to decompose TS-InSAR data into a plurality of components; reconstructing time series data; performing a gated recurrent unit (GRU) method; extracting trend of surface deformation; and performing continuous large-scale deformation monitoring. The InSAR-based deformation monitoring method integrates VMD and GRU, offering significant improvements in robustness and accuracy over the existing methods.

The invention relates to an ultrasonic rolling parameter calculation method based on nano-grain structure prediction. The method comprises the following steps: (1) determining a target grain size; and (2) negative feedback adjustment of the ultrasonic rolling parameters: obtaining the current ultrasonic rolling parameters, predicting the theoretical minimum value of the surface grain size of the metal surface deformation layer under the current ultrasonic rolling parameters, negative feedback adjustment of the current ultrasonic rolling parameters according to the surface grain size, and outputting target ultrasonic rolling parameters. According to the method, the nanocrystalline structure of the metal surface deformation layer serves as a machining target, the corresponding ultrasonic rolling parameters are developed by establishing a quantitative calculation method between the target grain size and the ultrasonic rolling parameters and combining the determined relation between the metal mechanical performance and the nanocrystalline structure according to the specific metal mechanical performance requirement, and the blindness of an experiment is avoided.

The invention discloses an earth surface deformation catastrophe risk level assessment method and device, electronic equipment and a storage medium. The method comprises the following steps: determining a target influence factor of a target area; evaluating the target influence factor through a catastrophe evaluation model to obtain a target contribution rate; generating a catastrophe grade zoning map according to the target influence factor and the target contribution rate; and correcting the catastrophe level zoning map according to the deformation rate, and determining the catastrophe risk level of the target earth surface deformation according to the corrected catastrophe level zoning map. According to the method, the target influence factor is adopted to dynamically evaluate the surface deformation catastrophe risk grade through the catastrophe evaluation model, and the reliability and timeliness of the surface deformation catastrophe risk evaluation grade can be ensured.

The invention discloses a mining area three-dimensional deformation monitoring method and system based on an SAR image, and relates to the technical field of mining area monitoring, and the method comprises the steps: extracting a line-of-sight deformation sequence from a time sequence deformation phase set, identifying a deformation acceleration point and a convergence inflection point in the line-of-sight deformation sequence, and segmenting a mining period based on the deformation acceleration point and the convergence inflection point, obtaining a plurality of sub-periods; differential interference is carried out on the initial SAR image and the tail SAR image of each sub-period, differential interference deformation diagrams of the sub-periods are obtained, and earth surface three-dimensional deformation estimated values corresponding to the sub-periods are deduced based on mining geological parameters of the target mining area; coupling the differential interference deformation graph and the three-dimensional deformation estimated value to obtain a three-dimensional deformation initial field; according to the method, the deformation evolution rules of the stages such as acceleration, stabilization and convergence are accurately described, the accuracy and time sequence continuity of three-dimensional deformation monitoring of the mining area are greatly improved, and the dynamic change characteristics of surface deformation in the whole mining process are completely presented.

A frame supporting type air rib membrane structure system comprises a frame supporting structure, an air rib structure and a membrane structure. The frame supporting structure comprises a supporting unit; the supporting units are arranged at intervals in the longitudinal direction. The supporting unit comprises a stand column and a top support. The air rib structure is mounted on the outer side of the frame supporting structure and is formed by splicing a plurality of air rib type membrane structure units; each air rib type membrane structure unit comprises an air rib and a connecting pipe; the air ribs are arranged in parallel at intervals, and one group of air ribs are horizontally arranged; the group of air ribs are communicated with one another through connecting pipes to form one or more independent inflation loops; pressure sensors are arranged on the surfaces of the air ribs; and the membrane structure covers the outside of the air rib structure and is detachably connected with the air rib structure. The technical problems that a traditional gas film structure is small in application range, insufficient in stability, prone to being large in film surface deformation and unstable in gas rib are solved, and the technical problems that a traditional gas rib type film structure is poor in adjustment flexibility, large in operation difficulty and high in cost are further solved.

This invention discloses a method and device for controlling surface deformation during shield tunneling construction based on digital twins, comprising: step S1, constructing an initial digital model of shield tunneling construction based on on-site shield tunneling construction data; step S2, collecting on-site shield tunneling construction parameters and ground response data caused by on-site shield tunneling construction in real time, and updating the digital model of shield tunneling construction constructed in step S1, thereby obtaining the mapping relationship between the digital model of shield tunneling construction and the shield tunneling construction parameters; step S3, based on the mapping relationship between the digital model of shield tunneling construction and the shield tunneling construction parameters, using a reinforcement learning algorithm to take the digital model of shield tunneling construction as the interaction environment for reinforcement learning, the set of construction parameters as the action space, and the reward function as the surface deformation, so as to minimize the surface deformation and determine the optimal sequence of construction parameter actions.

The application relates to a long-term deformation MT-InSAR adaptive fusion measurement method and device for a coal mining subsidence area surface, wherein the method comprises the following steps: obtaining surface deformation monitoring data by using multiple modes respectively, and performing at least one of time-space alignment, noise removal and error correction on the surface deformation monitoring data to obtain surface deformation data; the coherence index of the surface deformation data is calculated; a bimodal Gaussian function model constructed based on the deformation law of the coal mining subsidence area is used to generate a spatial adjustment coefficient; an adaptive weighting method is constructed based on the coherence index of the surface deformation data and the spatial adjustment coefficient to calculate the weight of multi-source InSAR data; and the surface deformation monitoring data is weighted and fused by using the weight of the multi-source InSAR data to obtain the final surface deformation result. Therefore, the problem that a single InSAR technology cannot comprehensively reflect the time-space evolution characteristics of long-term deformation of a wide-area coal mining subsidence area surface, resulting in insufficient monitoring accuracy, incomplete coverage, poor adaptability and the like is solved.

The present application belongs to the technical field of material deformation test, and discloses a method and system for real-time synchronous measurement of full-field three-dimensional deformation field and temperature field based on fluorescence speckle. The method comprises the following steps: S1, calibrating the curve relationship between the gray scale ratio and the temperature; S2, obtaining the matching points of each to-be-measured point in the reference image under each angle in the deformation image at all time instants, and the matching points of each point in the images of different angles at the same time instant; and S3, calculating the three-dimensional deformation field and the temperature field of the surface of the to-be-measured sample at each time instant. The present application also discloses a system for the above method. Through the present application, the synchronous three-dimensional measurement of the deformation field and the temperature field of the surface of a component is realized, the temperature measurement range is wider, the cost is lower, and the operation is simple.

The utility model relates to the technical field of honeycomb structure paperboards, and discloses a high-strength honeycomb structure paperboard which comprises two pieces of surface paper and further comprises a honeycomb paper core bonded between the two pieces of surface paper, a flame-retardant layer is arranged in the surface paper, the flame-retardant layer comprises a first flame-retardant material layer and a second flame-retardant material layer, and the first flame-retardant material layer and the second flame-retardant material layer are arranged in the honeycomb paper core. A waterproof layer is arranged in the surface paper, the waterproof layer comprises a first waterproof material layer and a second waterproof material layer, and a support plate is arranged between the two pieces of surface paper by a circle. The paper tube is arranged on the periphery between the two pieces of surface paper, the paper tube is of a corrugated design, the corrugated structure is elastically folded when stressed and is similar to accordion compression, shear force is converted into deformation energy, impact energy is absorbed, the shear resistance is improved, the impact resistance between the two pieces of surface paper can be improved through cooperation of the supporting plate and the inclined plate, and the service life of the paper tube is prolonged. And by matching with the reinforcing paper board, the support plate can form an I shape, the deformation of the surface layer is inhibited, and the flexural modulus of the bend is improved.

The invention discloses a ground surface deformation hidden danger point automatic identification method based on an equal deformation line. The method specifically comprises the following steps of 1, presetting a minimum equal deformation number threshold value included in the equal deformation line; 2, generating an equal deformation line with a numerical difference of S in the earth surface deformation rate diagram; 3, calculating the area of a region surrounded by each equal deformation line and the number of the equal deformation lines included in each equal deformation line; step 4, determining candidate hidden danger points based on the area of the area surrounded by each isomorphic line and the number of the isomorphic lines included in each isomorphic line; 5, if other candidate hidden danger points exist in the candidate hidden danger points, selecting an area surrounded by the candidate hidden danger points on the outermost layer as candidate deformation hidden danger points; and 6, calculating the maximum deformation rate in the candidate deformation hidden danger points, and determining a final deformation hidden danger point based on the maximum deformation rate.

This invention relates to the field of surface subsidence and deformation technology, and particularly to a method for predicting abnormal surface deformation responses under the coupling of faults and loose layers. This method solves the technical problem of accurately assessing the surface subsidence and deformation patterns caused by coal mining under different geological conditions in existing technologies. The technical solution includes: establishing a three-dimensional numerical model using a Mohr-Coulomb constitutive model and setting the fault zone thickness; establishing eight sets of control experimental models and using the controlled variable method to study the effects of fault dip angle and loose layer thickness; performing simulation calculations by excavating the working face in 13 steps, with each step having a spacing of 30m; and effectively revealing the characteristics of how increasing fault dip angle promotes an increase in the maximum surface subsidence value, and how increasing loose layer thickness leads to an increase in the subsidence value followed by stabilization. This method can effectively assess the abnormal response patterns of surface subsidence and deformation under complex geological conditions.

This invention relates to the field of data processing technology and discloses a method, apparatus, and equipment for monitoring surface deformation based on parameter search interval optimization. The method, based on the location information of multiple buildings in a geographic coordinate system and multiple SAR images, determines at least one building-related region and at least one non-building region within a target area. It then determines a first residual elevation search interval for the building-related region based on the roof elevation value of at least one target building within the building-related region; determines a second residual elevation search interval for the non-building region; and performs temporal InSAR phase calculation based on the first residual elevation search interval, the second residual elevation search interval, a preset deformation rate search interval, and multiple SAR images to obtain the surface deformation rate field and residual elevation field of the target area. This significantly improves data processing efficiency while ensuring the accuracy of the temporal InSAR phase calculation and obtaining accurate surface deformation rate and elevation fields.

The application relates to the technical field of surface deformation detection equipment, in particular to a semiconductor heating disc deformation detection device and a detection method, which comprise a platform and a detection unit. The platform is in a circular structure, two clamping grooves are arranged on the platform along the radial direction of the platform, a straight line connected with the two clamping grooves passes through the center of the platform, the two clamping grooves are symmetrical about the center of the platform, the detection unit comprises a positioning unit arranged on the platform and used for positioning the heating disc, one clamping block is arranged in each clamping groove, the clamping block is in sliding fit with the clamping groove along the extension direction of the clamping groove, a clamping roller used for clamping the heating disc is vertically arranged on the upper portion of the clamping block, a first range finder is horizontally arranged on one end of each clamping groove away from the center of the platform, the detection end of the first range finder horizontally faces the clamping block, and a rotating unit is arranged on the upper portion of the platform. The application improves the detection precision and the detection efficiency.

The invention belongs to the field of rectangular pipe-jacking tunnel construction, and discloses an experimental device and method for pipe-jacking curve tunneling research in a cavity stratum.According to the device, soil is contained in a model test box to simulate the stratum environment, and cavity defects are preset in cooperation with a built-in cavity forming device; the advancing direction of the model pipe jacking machine is precisely restrained through a bottom rail device, controllable tunneling power is provided by a jacking system, and meanwhile a monitoring device is arranged on the surface of a soil body to collect earth surface deformation data. The device constructs an integrated physical test environment, effectively solves the problem that the traditional method is difficult to accurately control the cooperative influence of cavity parameters and a tunneling path, can directly reveal the internal mechanism of surface deformation induced by pipe jacking construction in a cavity stratum, provides a reliable experimental basis for evaluating stratum stability and optimizing a construction process, and has a wide application prospect. The system has the comprehensive advantages of high structure integration degree, real working condition simulation, accurate variable control and efficient data acquisition.

The application discloses a three-dimensional blade parameterization optimization method and device and a readable storage medium, relates to the technical field of centrifugal compressor impeller design, and comprises the following steps: obtaining initial geometric data of a centrifugal compressor blade, and decomposing the initial geometric data into discrete point data of a rim, a hub, a pressure surface and a suction surface; establishing a direct modeling deformation external control body, and constructing a mapping relationship between geometric point sets of the blade and control points of the external control body; setting blade surface control points and fixed constraint points, forming blade parameterization design variables and zero displacement constraints; inversely solving an external control body control point increment according to the displacement of the blade surface control points, and driving blade surface deformation; taking a target pressure ratio and mass flow as constraints, taking an isentropic efficiency or a comprehensive target function as an index, and adopting a Kriging proxy model differential evolution algorithm to optimize the blade, so that the optimized blade is obtained. The application can realize rapid fairing deformation and aerodynamic performance optimization of a three-dimensional blade under the condition of keeping original data structure.

The invention relates to the technical field of surface treatment of metal parts, in particular to a shot blasting machine for surface deformation strengthening treatment of magnesium alloy structural parts, which comprises a shell, a shot blasting pipe and a high-pressure air pump are fixed in the shell, an air outlet of the high-pressure air pump is connected with an air inlet of the shot blasting pipe, and a shot box is connected onto the shot blasting pipe. An air outlet of the shot blasting pipe is connected with a first nozzle, an arc-shaped baffle is arranged at the end, connected with the first nozzle, of the shot blasting pipe, and the air outlet of the shot blasting pipe is formed in the arc-shaped baffle; the first nozzle comprises a cylindrical connecting part and a spraying part, the top of the cylindrical connecting part is connected with the spraying part, the connecting part is rotationally connected with the shell, and a motor is mounted on the shell; a connecting cavity is formed in the connecting part, a communicating opening is formed in the connecting part, the length of an air outlet of the shot blasting pipe is larger than that of the communicating opening, a spraying cavity communicated with the connecting cavity is formed in the spraying part, and a main spraying opening communicated with the spraying cavity is formed in the spraying part. The shot blasting machine is relatively high in applicability.

The utility model relates to a surface deformation detection device for special equipment, which comprises a flaw detector main body and a probe, the flaw detector main body is connected with the probe through a lead, one end of the probe deviating from the detection is connected with a winding rod, the lead is wound on the outer surface of the winding rod, and the outer surface of the probe is rotatably provided with a shell. A threading notch is formed in the surface of the shell in the length direction of the shell; two arc-shaped clamping blocks are mounted on the outer surface of the flaw detector main body through a clamping mechanism; the outer surface of the winding rod is sleeved with a volute spiral spring, the two ends of the volute spiral spring are connected with the winding rod and the shell correspondingly, and a locking mechanism is arranged on the outer side of the shell. Through the arrangement of the volute spiral spring and the locking mechanism, the wire can be driven to be automatically wound on the outer surface of the winding rod, so that the purpose of rapid storage can be achieved, the situation of disorder or winding and knotting is avoided, the length of the wire can be adjusted during use, and the flexibility is high.

The application discloses a kind of tubular plastic surface deformation detection device and its detection method, it is related to deformation detection technical field.The device includes detection table, rotating device, ranging sensor and PLC controller;Servo motor of rotating device drives roll to drive tubular plastic rotation, ranging sensor gathers pipe material whole circumference surface distance data and is fed back to PLC controller, and PLC compares data to determine the maximum deformation, then control servo motor to adjust the maximum deformation to preset angle, avoid gold stamping area.This device realizes the accurate quantitative detection of tubular plastic deformation, automatically positions and avoids deformation defects, improves gold stamping yield, adapts to various specifications pipe material, can be connected to automatic production line, reduce production cost and manual intervention, solve the gold stamping quality problem caused by the deformation of tubular plastic itself.

To provide a resin external plate structure which can establish a mold structure without using a slide core, and prevents generation of distortion on a design surface.SOLUTION: In a side door 1, undercut parts 31 to 33 are provided on the lower side and the one side of an outer panel 3 (corresponding to resin external plate) composed of a molding of a resin, covers 34 to 36 for covering the undercut parts 31 to 33 are provided through integral hinges 37 to 39, and the covers 34 to 36 are in attitudes to extend downward from the lower part or the side part of the outer panel 3 when the outer panel 3 is molded, and are in attitudes so as to be bent inward from the lower side and the one side of the outer panel 3 so as to cover the undercut parts 31 to 33 when being assembled on the inner panel 2 of the side door 1.SELECTED DRAWING: Figure 3

The invention relates to the technical field of curved surface deformation design, and discloses a parameterized channel curved surface deformation method and device based on radial basis function interpolation, and the method comprises the steps: creating an initial structure model of a target blade curved surface, and determining an initial channel curved surface; arranging a plurality of control points on the initial channel curved surface according to a preset point scattering rule, and interpolating by using a radial basis function to obtain a parameterized channel curved surface; on the basis of parameterized channel curved surface computational fluid mechanics, iterative optimization is carried out on the displacement of each control point by taking a computational fluid mechanics result as an optimization target, and the optimal displacement of each control point is obtained; and according to the optimal displacement of each control point, calculating the optimal displacement of each deformation point by using a radial basis function interpolation so as to carry out deformation. The displacement relation between each deformation point and each control point is determined by using radial basis function interpolation, the curved surface parameters are quantified, far and near curved surface deformation can be controlled according to different degrees of displacement of different control points, the deformation precision is improved, and the deformation reaches the optimal performance point.

A machine (M) for the production of tubular articles (A), particularly for the food or tobacco industries, comprising first feeding means (100) for at least one first web (N1) and second feeding means (200) for at least one second continuous web (N2). The machine (M) includes an embossing station (300) designed to impart a permanent surface deformation on at least one side of the first continuous web (N1) in accordance with a predetermined embossing pattern. Downstream of the embossing station (300), the machine (M) includes a demolding station (400) designed to demold the first web (N1) in accordance with a preferably non-circular predetermined three-dimensional shape.The machine (M) includes a winding station (500) in which the second web (N2) is wound in a tubular shape around the first embossed web (N1), and a cutting station (600) to divide the continuous tube profile (T) into tubular articles of predetermined length.

The invention discloses a method for measuring the tensile crack propagation amount of a single-side notched metal sheet sample based on a digital image correlation technique, which comprises the following steps of: performing a tensile test on the single-side notched metal sheet sample, and then acquiring a surface deformation field of the single-side notched metal sheet sample by using the digital image correlation technique (DIC); the position of the crack tip is determined by measuring the displacement difference of two parallel lines arranged in the displacement field, and finally the crack propagation amount is calculated by tracking the critical point of the change trend of a displacement difference curve.

The embodiment of the utility model aims at providing a door opening closing-up structure which comprises a corner bead and an external corner installed on a door opening. The leveling layer is laid on the inner surface of the door opening so as to flatten the inner surface of the door opening; the deformation connecting layer is arranged on the leveling layer, the door frame is connected to the deformation connecting layer, and the deformation connecting layer deforms correspondingly under extrusion of the door frame and the leveling layer, so that the door frame is stably installed in the door opening; in the application, the arranged deformation connecting layer can present adaptive deformation at different positions according to the shape of the gap between the door frame and the door opening, so that each gap between the door opening and the door frame can be fully filled, and the door frame can be stably fixed in the door opening.

The invention relates to a clamp-on pressure measuring device (1) for detecting the pressure in a pipeline (2), the pressure measuring device being constructed in layers consisting of a contact pressure part (10), a decoupling element (11), at least one strain gauge (12), a coupling element (13), an evaluation unit, and a clamping device (14). The decoupling element (11) is suitable for transferring the contact pressure generated by the clamping device (14) in the radial direction to the at least one strain gauge (12) and thus ensuring a force-fitting and / or form-fitting connection between the at least one strain gauge (12), the coupling element (13), and the pipeline surface (2a) while allowing a freedom of movement in the longitudinal and circumferential direction of the pipeline (2), and the coupling element (13) is suitable for transferring a pipeline surface (2a) deformation, resulting from the pressure in the interior of the pipeline (2), to the at least one strain gauge (12).