20 results about "Tiltmeter" patented technology

The invention relates to an overwater square block hoisting method and system, and belongs to overwater square block hoisting. The overwater square block hoisting method comprises the steps of hoisting a square block, obtaining the relative position relation between a hoisting device and the square block, obtaining the real-time position of the square block, obtaining the relative posture data of a hoisting system and the square block, obtaining the real-time posture of the square block and guiding square block hoisting. According to the above-water square block hoisting method, a camera, a Beidou receiver, a clinometer, an inertial navigation device and other devices are used for obtaining the relative position and posture data of a hoisting device and a square block in real time, the square block is accurately guided to be hoisted to the designed position through a data processing and feedback mechanism, and all-directional monitoring and accurate control in the square block hoisting process are achieved.

The invention discloses a landslide deformation early warning system and method, and belongs to the technical field of landslide deformation early warning. Nx clinometers are transversely arranged in a to-be-detected area, Ny clinometers are longitudinally arranged in the to-be-detected area, and Nz clinometers are vertically arranged in the to-be-detected area, so that a three-dimensional monitoring network is formed. According to the method, the space angle value of each inclinometer is extracted, a three-dimensional space angle value matrix is constructed, the transaction area is screened out according to the angle values, and the transaction coefficient is calculated. Thirdly, separating the three-dimensional space angle value matrix at each moment into a transverse-longitudinal angle matrix, a longitudinal-vertical angle matrix and a transverse-vertical angle matrix, and constructing a corresponding gradient matrix based on the angle matrixes at adjacent moments; and finally, the landslide deformation early warning subsystem processes the matrixes and adds a transaction coefficient for reinforcement to obtain a landslide deformation degree value at each moment. According to the invention, through multi-dimensional monitoring and accurate evaluation, the identification and early warning capability of the landslide risk is significantly improved.

The invention provides a method for analyzing deformation characteristics of an exit slope of a flood discharge building, which comprises the following steps of: firstly, collecting geotechnical parameters, hydraulic load parameters, GNSS displacement, pore water pressure and clinometer data of the slope; then, constitutive parameters of the slope stability model are dynamically corrected, GNSS displacement is decomposed into creep and elastic displacement components, and the time delay error of pore water pressure data is compensated; thirdly, seepage-stress coupling stability calculation is conducted in combination with the compensated pore water pressure and inclinometer data, and the slope stability safety coefficient is obtained. And finally, outputting the creep displacement, the elastic displacement and the stability safety coefficient to an early warning terminal. According to the invention, the accuracy and reliability of slope stability evaluation can be improved.

The present invention relates to the technical field of steel cylinder vibrating and sinking installation, and specifically, to a method for controlling the verticality of underwater steel cylinder vibrating and sinking installation. The method comprises the following steps: S1, conducting detailed soil sample drilling tests on the specific location where the steel cylinder is planned to be vibrated and sunk and the area within a certain range around it, and obtaining geological characteristic data in the area; S2, transporting the structural equipment to the sea area, installing a modern digital inclinometer as an attitude meter at the preset position of the steel cylinder and the hammer group, and calibrating and verifying the attitude meter; S3, after the installation and verification of the attitude meter is completed, the hammer group and the steel cylinder are hoisted into the water as a whole, and the vibrating and sinking method is selected according to the acquired geological characteristic data during the vibrating and sinking process; S4, combining the attitude meter data, the cylinder body of the steel cylinder is corrected in real time. The design of the present invention combines underwater vibrating and sinking with the correction process, ensuring the perfect control of the verticality of the underwater vibrating and sinking of the steel cylinder, overcoming environmental resistance and accurately meeting the design requirements.

The invention provides an immersed tube joint sinking butt joint underwater space positioning system and method. The immersed tube joint sinking butt joint underwater space positioning system comprises a clinometer, a mobile station group, a tide gauge, a multi-beam sonar and a monitoring data analysis and display module. The inclinometer obtains bidirectional dip angle monitoring data of the immersed tube joint; the mobile station group obtains coordinate monitoring data of positions where the mobile stations are located respectively; the tide level meter obtains tide level monitoring data in the pipe joint sinking and butt joint period; the multi-beam sonar obtains the terrain data of the underwater foundation trench in the pipe joint sinking and docking area; the monitoring data analysis and display module obtains feature point coordinates, pipe joint postures and early warning index data on a to-be-immersed pipe joint according to the inclinometer monitoring data, the mobile station group monitoring data, the tide level data, the multi-beam underwater topographic data and the immersed pipe joint coordinate data.

The invention discloses a rock-fill dam surface deformation monitoring method, system and equipment and a storage medium, and relates to the technical field of rock-fill dam deformation monitoring, and the rock-fill dam surface deformation monitoring equipment comprises a clinometer body, the clinometer body is provided with a swing arm, the two ends of the swing arm are each provided with a contact wheel, and the contact wheels are arranged on the clinometer body. A wire is installed in the clinometer body and extends out of the clinometer body, an embedded pipe is arranged outside the clinometer body, the surface of the contact wheel is attached to the inner wall of the embedded pipe, a limiting structure is arranged between the clinometer body and the embedded pipe, and in the process that the clinometer body is placed into the embedded pipe, the clinometer body is fixed through the limiting structure. After the limiting block is attached to the end of the embedded pipe, clamping and limiting of the wire can be achieved through the limiting structure, the problem that the wire loosens or falls off when the wire is pulled in the wire arrangement process can be effectively solved, and the clinometer body can be connected with the embedded pipe in the wire clamping and limiting process.

The utility model discloses a marine electronic clinometer based on an MEMS (Micro Electro Mechanical System) sensor, which comprises a base fixing hole, a top cover, a status lamp, a top cover fixing hole, a base, a signal and power supply cable hole and a signal acquisition and processing integrated plate, the top cover is fixedly and hermetically connected with the base through the four top cover fixing holes; the base comprises four base fixing holes, an MEMS sensor tight connection platform, four top cover fastening threaded holes, four signal acquisition and processing integrated plate fastening threaded holes and a signal and power cable fastener. According to the utility model, the technology is simple and convenient, rapid installation and positioning can be realized, the loosening phenomenon is not easy to occur, and the stability is high; the base is compact and simple in structure, uniform heat dissipation of the temperature of the MEMS sensor and the signal acquisition and processing integrated board can be achieved, and data output by the electronic clinometer in a complex temperature change environment is not affected by special environments such as environment temperature and vibration.

The invention provides a dangerous rock collapse geological disaster protection early warning system, and relates to the technical field of geological disaster prevention and control, the dangerous rock collapse geological disaster protection early warning system comprises a fixed frame, a linkage connection assembly and an early warning assembly, the fixed frame is fixed on a slope through an anchor rod, the linkage connection assembly is slidably arranged on the fixed frame, and the early warning assembly is arranged on the linkage connection assembly. The linkage connection assembly is connected with the slope active protection net and used for driving the early warning assembly to send out an early warning signal, the system is arranged on a slope through the fixing frame, the linkage connection assembly transmits deformation of the protection net to the early warning assembly, the early warning assembly triggers the early warning signal, and early warning is conducted on slope dangerous rock collapse geological disasters. The system is simple in structure and high in stability, and solves the problem of high popularization cost of a monitoring and early warning technology based on a clinometer, a GNSS and other automatic equipment.

The high sensitivity provided by an enhanced DAS system comprising a DAS interrogator and a high reflectivity fiber allows for the deployment of such a high reflectivity fiber as part of a wireline intervention cable which can be temporarily lowered into a well, thus avoiding the need to permanently cement such a high reflectivity optical fiber cable into the well. Instead, such a wireline cable incorporating the high reflectivity optical fiber has been found to be sensitive enough to detect micro-seismic activity and low frequency strain with many more measurement points and channels than conventional wireline deployed geophones and tiltmeters. Additionally, the cable requires no clamping and can be easily and quickly removed from one well and placed in another well.

The invention relates to the technical field of engineering surveying, in particular to a clinometer capable of automatically reversing and a measuring method.The clinometer capable of automatically reversing comprises a supporting frame, a first sleeve, a second sleeve, a case and a sensor. The first sleeve is fixed to the supporting frame, the second sleeve is arranged in the first sleeve in a sleeved mode, and the second sleeve can move in the axial direction of the first sleeve; a guide component is arranged on the inner wall of the second sleeve, a sensor is arranged in the second sleeve and can move along the guide component, a reversing guide groove is formed in the outer wall of the second sleeve, a guide pin is arranged on the inner wall of the first sleeve, and the second sleeve moves in the axial direction relative to the first sleeve and is matched with the reversing guide groove through the guide pin. And the second sleeve alternately rotates by a preset angle in the forward direction and the backward direction around the axial direction of the second sleeve. The reversing operation of the sensor can be automatically completed, the reversing operation efficiency is improved, the duration time of the whole measurement process is shortened, the time drift phenomenon is reduced, and the measurement precision is improved.

The utility model discloses an underwater foundation stone monitoring and sensing device which comprises buried angle steel, a protective shell, a clinometer, three water pressure gauges and a junction box. The buried angle steel is vertically buried in the underwater root stone to be monitored, and the protective shell is located over the buried angle steel; the clinometer, the three water pressure gauges and the waterproof junction box are all positioned in the protective shell; the clinometer is vertically mounted on the inner side of the upper cover of the protective shell and is used for measuring the inclination angle of the protective shell; the water pressure gauge is horizontally installed on the side wall of the protective shell in the circumferential direction, and a probe of the water pressure gauge is flush with the outer wall of the protective shell. The junction box is sealed. The underwater root stone monitoring and sensing device can sense displacement, loss and collapse conditions of a dam slope and underwater stones in the first time, synchronously collect field water pressure data caused by water flow, and provide first-hand timely, accurate and reliable field data information for automatic monitoring of root stone collapse.

The utility model discloses a kind of fast detachable device of fixed tiltmeter, including fixed plate, mounting frame and locking assembly;Fixed plate is fixed on the plane to be measured, mounting frame and locking assembly are set on fixed plate, mounting frame side has mounting port, locking assembly is set in mounting port side, tiltmeter can enter mounting frame from mounting port, locking assembly can block mounting port and fix tiltmeter in mounting frame.The utility model discloses a kind of fast detachable device of fixed tiltmeter, cooperation of the mounting frame and locking assembly of being set can realize the quick disassembly of tiltmeter, can greatly improve disassembly efficiency under the premise of guaranteeing the position stability of tiltmeter, and improve the utilization of tiltmeter, meet the demand of cyclic use, reduce engineering cost.

The application discloses a kind of automatic monitoring method, system and storage medium for reconstruction and expansion slope construction, method includes: in reconstruction and expansion slope monitoring section, array type displacement meter is laid out, biaxial tiltmeter is installed at anchor rod grid beam, multi-dimensional sensing unit is integrally laid with wireless transmission module, and deep displacement and structure body inclination data are automatically collected and wirelessly uploaded to cloud platform storage.Globally global coordinate unified conversion is carried out to discrete data, three-dimensional deformation surface is constructed by minimum curvature surface fitting, and full-field continuous displacement field is inverted to eliminate spatial mapping deviation.Combined with the characteristics of new and old rock-soil layering and zoning, the interlayer interface shear transfer function is established, the correction stiffness matrix is assembled, and the heterogeneous overall mechanical analysis model is constructed.The cloud platform substitutes displacement field to solve layered and structure body displacement, draws relevant curve and determines the stability of slope in combination with monitoring standard.

The invention belongs to the technical field of hydraulic engineering and artificial intelligence, and provides a dam settlement trend deduction method based on machine learning, which comprises the following steps: collecting multi-source long-sequence monitoring data from a static leveling instrument, a global navigation satellite system reference point, a clinometer and an environmental sensor; performing space-time alignment and quality enhancement processing on the multi-source long-sequence monitoring data to generate a standardized fusion data set; extracting multi-scale spatial-temporal features and physical mechanism features from the fusion data set, and constructing a high-dimensional feature vector; based on the high-dimensional feature vector, deducing a settlement displacement sequence from the future 1 day to the future 30 days by using a mixed deep learning model fusing an attention mechanism and a gating circulation unit; and in combination with the deduction result of the settlement displacement sequence and engineering priori knowledge, trend inflection point identification and convergence state evaluation are carried out, and a structured early warning signal is generated.

The present invention provides an intelligent strain-type borehole inclinometer, comprising an inclinometer outer tube, a plurality of force transmission sheets, a strain rod and a detection circuit. The two ends of the inclinometer outer tube are sealed, and all the force transmission sheets are arranged inside the inclinometer outer tube. The inclinometer outer tube is spaced into a plurality of strain units along the axial interval distribution. The strain rod is arranged on the axis of the inclinometer outer tube, penetrates and is fixedly connected to all the force transmission sheets. Four resistance strain gauges are arranged in each strain unit. The four strain gauges are fixed to the outer wall of the strain rod and are evenly distributed around the outer wall of the strain rod. The detection circuit is respectively connected to the four strain gauges of each strain unit. The detection circuit is used to obtain electrical signals from the four strain gauges of each strain unit, and calculate the displacement corresponding to the landslide section corresponding to each strain unit according to these electrical signals. The beneficial effects of the present invention are as follows: the time interval of data acquisition can be adjusted to obtain real-time data of deep displacement of the landslide, and the deep displacement monitoring data of the landslide body obtained is continuous in space.

The application discloses a digital calibration method for an inclinometer based on an intelligent sensor and belongs to the technical field of intelligent sensors, which comprises the following steps: collecting data synchronously by integrating a multi-source environment sensor and an inclinometer, and fusing reference data; the application precisely quantifies the nonlinear coupling contribution of environmental factors such as temperature gradient and vibration spectrum to the inclination error by fusing error perception weighting and principal component dynamic correlation analysis; the application maps the mathematical principal components into interpretable physical interference mechanisms such as temperature change rate and low-frequency vibration, and inversely calculates the original parameter weight, thereby not only identifying key dynamic characteristics but also marking nonlinear sensitive areas, significantly improving the physical interpretability and engineering guidance value of error separation, enabling the subsequent model to targetly inhibit the dominant interference, avoiding the overfitting risk caused by black box modeling, providing a weight basis for confidence evaluation, and greatly enhancing the robustness and adaptability of the calibration system under complex working conditions.

This utility model relates to the field of tilt measurement technology, specifically to a vibrating wire tiltmeter, comprising a housing, inside which are two symmetrically arranged steel wires, each with a support at both ends. The support is divided into an upper support and a lower support, with the ends of the steel wires fixed to the upper and lower support via wire clamps. The lower support is connected to the upper support via an elastic hinge. Support seats are fixed on both sides of the lower support for fixing the coil. A counterweight is fixed at the lower end of the lower support. Utilizing the characteristics of the vibrating wire sensor, namely that its output signal natural frequency is determined only by its physical parameters such as tension, length, and linear density and does not require power supply, this sensor exhibits strong long-term stability, strong anti-interference ability, low temperature drift and zero drift, and minimal influence from electrical parameters, enabling it to adapt to long-term observation and long-distance testing under harsh conditions.

The utility model discloses a water and soil conservation monitoring device suitable for an abrupt slope, belongs to the field of water and soil conservation monitoring devices, and aims to solve the problems that in the using process of the water and soil conservation monitoring device, a monitoring station is located above a mounting plate, the position stability of the monitoring station cannot be guaranteed, and if the monitoring station is not fixed, the monitoring station cannot be fixed. When the water and soil conservation monitoring device accidentally topples over, the danger that the monitoring station topples over and slides off easily occurs, and then normal use of the monitoring station is affected. According to the inclinometer fixing device, an inclinometer is placed in the containing groove, the inclinometer can be adsorbed by a suction cup through an air suction pump, the position of the inclinometer can be preliminarily positioned, then a threaded rod is rotated, a clamping plate can be moved out of an extending groove and inserted into a limiting hole, and the position of a supporting plate can be fixed again; and the fixing effect on the inclinometer can be enhanced through the clamping plate and the adsorption fixing structure, so that the inclinometer is prevented from slipping off, and normal use of the inclinometer is guaranteed.

The invention relates to a cone penetration testing device comprising a probe, which has a probing cone (1), and in particular a skin friction sleeve (2), as well as an inclinometer and a pore pressure gauge, and comprising a transport linkage (4, 5, 6), which is configured to be connected to the probe at a first of the ends (7) thereof and to push the probe by applying pressure, into a soil region to be probed, as well as a seismic measuring device (9, 10, 11, 12) for capturing seismic signals. The object of capturing the seismic measurement data via a plurality of channels is achieved by the seismic measuring device comprising a plurality of seismic sensors (for example pressure sensors, accelerometers, geophones) (9, 10, 11, 12), which are integrated into one or more elements (4, 5, 6) of the transport linkage and arranged spaced apart from one another along the longitudinal direction of the transport linkage. The various seismic pressure sensors can feed the measurement data thereof into a shared signal conductor (15).

The utility model relates to a heat preservation cover special for a long-baseline DSQ water pipe inclination observation system in a seismological observation cave, and belongs to the technical field of seismological observation system protection equipment. According to the cover body, the shell is made of the double-layer anti-static ABS engineering plastics, the polyurethane foam is filled in the interlayer to form the efficient heat insulation layer, and the corrugated heat preservation tin foil paper is wrapped outside the cover body to form the composite heat insulation barrier, so that the influence of external temperature fluctuation on an instrument is effectively blocked; interference of day and night temperature difference on sensitive elements of the water pipe inclinometer is greatly reduced, stability and accuracy of monitoring data are guaranteed, moisture can be effectively prevented from entering the cover body or gas in the cover body can be effectively prevented from leaking through the silica gel sealing strip embedded in the bottom of the cover body and the elastic connecting sleeve in the cable threading hole, the sealing effect is improved, and the service life of the water pipe inclinometer is prolonged. Meanwhile, the cover body can be quickly disassembled and assembled through the locking mechanism, operation is easy and convenient, and efficiency is high.