95 results about "Inclinometer" patented technology

The invention discloses a high and steep slope rock mass stability intelligent monitoring system and monitoring method, and relates to the technical field of intelligent monitoring, and the method comprises the steps: 1, collecting images, vibration and inclinometer data in real time, and carrying out comprehensive analysis to generate a landslide coefficient; 2, if the coefficient exceeds a threshold value, triggering a first-level alarm, otherwise, entering trend analysis; and step 3, judging the trend speed through the ratio of the low frequency to the high frequency of the vibration signal and the time slope, triggering secondary early warning when the trend speed exceeds a threshold value, or else, circularly monitoring. Vector conversion and included angle cosine are matched with a landslide direction threshold value, effective deformation is quantified by combining bending radius and stress analysis, multidirectional bending interference of an inclinometer is eliminated, displacement direction measurement precision is improved, early warning errors are reduced, a trend variable is constructed by utilizing a ratio of low-frequency amplitude to high-frequency amplitude, trend speed is analyzed by combining time sequence slope, and the method has the advantages of being high in accuracy and high in accuracy. The rock body loosening sign is comprehensively pre-judged, early warning is achieved, and the sudden landslide risk is reduced.

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 provides a clinometer, which belongs to the technical field of side slope landslide monitoring equipment, and comprises at least one segment assembly, the segment assembly comprises a near-end segment close to the earth surface in a working state and a far-end segment far away from the earth surface in the working state, and the near-end segment and the far-end segment are circular pipes axially connected end to end; at least three pressure sensors are arranged at the connecting part of the near-end section and the far-end section; according to the inclinometer, the omnidirectional four-axis structure of the gyroscope is adopted to limit the circumferential rotation between the two sections along the axis, so that the rotation relative to the axis is realized as far as possible; the pressure sensor is used for detecting the extrusion force generated when the two sections rotate relative to each other and rotating the two sections into an angle generated when the two sections rotate relative to each other; one section is provided with a rotatable joint, the two sections can be mutually connected and fixed, and the circumferential angle corresponding relation is unique during connection, so that the measurement accuracy is improved.

The invention discloses a method and a system for correcting a monitoring result after deflection of an inclinometer pipe in foundation pit monitoring, and the method comprises the steps: projecting X / Y axial displacement deformation of different depths in an inclinometer pipe hole and a guide groove azimuth angle alpha i of different depths in the inclinometer pipe hole relative to a direction vertical to a foundation pit to the direction vertical to the foundation pit; and displacement deformation correction values of different depths in the inclinometer pipe hole are obtained. The horizontal displacement variation of the inclinometer hole calculated by using the correction method provided by the invention can truly reflect actual displacement change data of each layer of an enclosure or a soil body towards one side of a foundation pit when the inclinometer pipe is twisted.

The invention relates to the field of dam deformation monitoring, and discloses a dam deformation monitoring device based on a settlement magnetic ring and an MEMS accelerometer, and the device comprises an inclinometer pipe which is buried in a dam body drill hole and is used for synchronously deforming along with a dam body; the flexible intelligent displacement meter is formed by connecting a plurality of single-section flexible displacement meters in series through flexible joints, an MEMS accelerometer and a microprocessor are arranged in a side wall slot of each single-section flexible displacement meter, and the MEMS accelerometer and the microprocessor are used for measuring the inclination angle of each section; the settlement magnetic ring synchronously moves along with the settlement of the dam body; the magnetic probe detects the elevation change of the settlement magnetic ring; and after the data acquisition equipment receives the measured data, the data processing center calculates the horizontal displacement and settlement of the dam body. According to the invention, the flexible displacement meter is combined with the settlement magnetic ring to obtain the three-dimensional coordinates of each single section, so that the horizontal displacement and settlement of the dam body are calculated, the deformation of the dam body is monitored under the condition that the flexible displacement meter is only vertically mounted, the limitation of an embedding mode is overcome, and the adaptability and practicability of monitoring are improved.

The utility model discloses an adjustable portable inclinometer, and relates to the technical field of geotechnical engineering. The device comprises a mounting rod, measuring assemblies are arranged above and below the mounting rod, and lifting assemblies are arranged on the two sides of the mounting rod; a lead screw in the measuring assembly is rotationally connected to the inner side of a mounting rod in the vertical direction, the upper portion and the lower portion of the outer wall of the lead screw are both sleeved with telescopic rods in a threaded mode, and one end of each telescopic rod penetrates through the two ends of the mounting rod and is fixedly connected with a mounting shell. According to the utility model, the screw rod and the telescopic rod in the measuring assembly drive the measuring rod and the roller to ascend and descend, and meanwhile, the mounting seat and the first motor drive the measuring rod and the roller to rotate in the horizontal direction, so that the problem that the inclination of different inner walls of a drilled hole is inconvenient to measure in the prior art is solved; the sleeve rod and the threaded rod in the lifting assembly drive the sleeve ring and the mounting rod to ascend and descend, so that the measuring structure on the mounting rod can ascend and descend stably, and the problem that existing lifting stability is poor is solved.

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 deep displacement monitoring method and device based on a GNSS (Global Navigation Satellite System) and an array type flexible inclinometer, and relates to the field of geological survey, and the deep displacement monitoring method comprises the following steps: acquiring earth surface deformation displacement at a drill hole by adopting GNSS equipment; corresponding deep dip angle change values are measured based on three-axis acceleration sensor modules arranged on the upper portion and the lower portion in the array type flexible inclinometer respectively; collecting the earth surface deformation displacement and the deep dip angle change value by using a controller, and forming sequence data after adding a time attribute; an absolute displacement value of each three-axis acceleration sensor module is calculated by using a differential accumulation method; performing displacement fitting on the section where the three-axis acceleration sensor module is not arranged by adopting a function fitting method with constraint conditions; connecting the upper actual measurement displacement curve, the middle fitting displacement curve and the lower actual measurement displacement curve to generate a complete deep displacement monitoring image; a complete deep displacement monitoring image can be generated without a full-depth sensor, and the equipment cost is greatly reduced.

The invention discloses a slope monitoring device and a use method thereof, and relates to the technical field of strip mine slope monitoring. Comprising an absolute positioning module, a relative positioning module and a monitoring module, the absolute positioning module comprises a GNSS receiver and a satellite data processing module, and the relative positioning module comprises an inertial measurement unit and an inclinometer unit. According to the method, data of different sensors are uniformly processed in time and space directly according to actual monitoring conditions of the strip mine pit, so that the occurrence mechanism and the evolution process of the landslide are analyzed more accurately; the data subjected to time-space unified processing can help researchers to better understand interaction among different factors, so that the accuracy of landslide prediction is improved, slope infinitesimal displacement data can be acquired from different angles and levels in an alpine strip mine area, and a landslide dynamic panoramic view can be provided.

The invention relates to the technical field of side slope monitoring, and particularly discloses a side slope real-time deformation monitoring system based on multi-sensor fusion, and the system comprises a data collection module which is disposed on a road side slope and is used for collecting multi-source monitoring data; the data transmission module is in communication connection with the data acquisition module and is used for remotely transmitting the multi-source monitoring data to a monitoring center; the data processing and early warning module is deployed in a monitoring center; a data fusion unit; a prediction and early warning unit; the system aims to solve the problem of large limitation of a single sensor monitoring means in a complex environment, the system realizes full-dimensional cooperative monitoring of a slope by fusing multi-source monitoring data of a foundation I nSAR, a fixed inclinometer array, a soil pressure sensor, a pore water pressure sensor, a rain gauge and the like, and the slope monitoring accuracy is improved through multi-sensor data fusion analysis. The error of performance reduction of a single sensor in a complex environment is effectively overcome, the comprehensive state of the slope is accurately obtained, and the reliability and precision of slope disaster early warning are remarkably improved.

The invention discloses an earth and rockfill dam heaping period monitoring scheme optimization method and an earth and rockfill dam heaping period monitoring scheme optimization system based on deformation inclination control, and belongs to the technical field of earth and rockfill dam construction monitoring. A three-dimensional solid model covering the whole heap building process is constructed, and grids are encrypted for key parts such as a core wall, a transition layer, a dam slope and a dam foundation weak interlayer; dividing independent working conditions by taking a layering and filling sequence as a unit, carrying out step-by-step numerical simulation to obtain a displacement field, respectively calculating dam axial deformation inclination and river-following deformation inclination, and generating a cloud picture; determining a key monitoring area according to a criterion that the deformation inclination is greater than or equal to m%, the previous step variation is greater than or equal to a% and a key structure is forcibly incorporated, and laying settlement monitoring points and inclination measuring holes to form a dynamic monitoring table; and when the actually measured deformation inclination exceeds the simulation value b%, verifying the model, reducing the subsequent threshold value n%, and improving the monitoring frequency.

The invention relates to the technical field of geotechnical engineering, in particular to a side slope sliding zone judgment method and system.The side slope sliding zone judgment method comprises the steps that inclinometer holes are formed in the area where a side slope is located; carrying out multiple times of displacement detection on the intervals of the inclinometry holes by utilizing a mobile inclinometer to obtain hole depth-displacement curve information of the inclinometry holes; judging the sliding type of the slope according to the obtained hole depth-displacement curve information, and setting an area between two adjacent detection points in the inclinometry hole as a detection interval; according to the corresponding hole depth-displacement curve obtained by the first displacement monitoring and the corresponding hole depth-displacement curve obtained by the last displacement monitoring, the actual annual average horizontal slip value of the highest point of each detection interval relative to the lowest point is calculated; and judging whether a sliding zone exists in each detection interval or not according to the sliding type of the side slope and the obtained actual annual average horizontal sliding value.

The present invention provides an instrument deflection measurement method based on a gyro inclinometer, comprising: real-time acquisition of output data of a gyroscope and an accelerometer in the gyro inclinometer; initial alignment of the gyro inclinometer, and acquisition of the pitch angle and roll angle in the initial alignment state according to the output of the current accelerometer; a transfer mechanism controls the gyroscope to rotate to 0°, 90°, 180° and 270° positions in sequence, and stays still for a certain period of time at each position to acquire the tool face angle in the initial alignment state; the gyro inclinometer performs attitude updates according to a preset cycle to acquire the real-time tool face angle; the X deflection angle and the Y deflection angle are acquired according to the tool face angle in the initial alignment state and the real-time tool face angle; the gyro inclinometer repeats attitude updates to acquire continuous real-time X deflection angle and Y deflection angle to complete the measurement of the instrument deflection angle. The technical solution of the present invention can solve the technical problems of large instrument deflection measurement errors and high measurement operation requirements in the prior art.

The application discloses a kind of rock-soil body inclinometer device and method based on flexible distributed sensor, it is related to rock-soil engineering monitoring technical field, including multiple sections and sequentially spliced guide rod, terminal guide rod installs guide head;Along the inner wall of guide rod axial setting guide groove, the junction end of guide head and guide rod is equipped with clamping groove, the guide groove is used to guide flexible distributed sensor into guide rod, and makes the end of flexible distributed sensor and the clamping groove plug-in;Wherein, the flexible distributed sensor has double-layer conductive layer, to obtain the bending deformation state of rock-soil body based on the resistance difference of double-layer conductive layer.The application can make flexible distributed sensor enter borehole with vertical state by guiding device, and make flexible distributed sensor can be continuously monitored in borehole by rapid-setting cement, improve inclining precision.

The invention relates to an out-of-levelness estimation method, device and equipment of an inclinometer and a medium, and belongs to the technical field of inclinometers. The method comprises the following steps: in a hardware environment without a gyroscope, acquiring initial attitude angle information through accelerometer data sampling and alignment; performing attitude matrix construction, navigation coordinate system projection, Kalman filter modeling, attitude error calculation and error compensation to equivalently realize a gyroscope-free zero-velocity correction effect, and obtaining a final attitude angle; a self-adaptive Kalman filter based on gravity acceleration module value constant constraint is provided, so that the influence of external interference on the measurement precision can be reduced; and finally, performing smooth filtering on the final attitude angles at a plurality of adjacent sampling moments, and outputting high-precision and high-stability unlevelness. According to the method, under the condition that the hardware cost is not increased, the measurement precision and stability of the inclinometer on the out-of-levelness are improved.

A device for measuring a slope of a surface includes a tilt sensor, two or more distance sensors coupled to the tilt sensor, and a processor configured for calculating the slope of the surface based on measurements provided by the tilt sensor and the distance sensors. The distance sensors are coupled to the tilt sensor at a non-parallel angle relative to each other. In one example, the angle between the distance sensors may be between 30 and 120 degrees. The tilt sensor may be an inclinometer. The distance sensors may be laser distance sensors, LED time-of-flight sensors, or IR distance sensors. The device is compact, portable, and small enough to be held in a user's hand.

The invention discloses an automatic inclinometer device for high slope drilling, which belongs to the technical field of geotechnical engineering safety monitoring and comprises a control system, a servo positioning system, a take-up and pay-off structure, an auxiliary mounting structure and a fixed support. The control system communicates with the measuring rod through the programmable controller and controls the servo motor to accurately position; the servo system drives the take-up and pay-off mechanism to complete automatic take-up and pay-off The auxiliary mounting structure adopts a modular design to realize quick disassembly and assembly; the fixing support has waterproof and moistureproof functions to adapt to the outdoor environment. According to the invention, manual work is replaced for automatic continuous monitoring, the problems of low efficiency, poor precision and existence of safety risks of a traditional method are effectively solved, and the reliability, precision and efficiency of high slope and dam deformation monitoring are remarkably improved.

1. Name of the Design Product: Inclined Plane Measuring Instrument. 2. Use of the Design Product: For the auxiliary measurement of the inclined plane cone angle size. 3. Design Key Points of the Design Product: Lies in the shape. 4. Picture or Photograph that Best Illustrates the Design Key Points: Perspective View.

1. The name of the design product: Inclinometer. 2. The use of the design product: For detecting horizontal angles and inclination angles. 3. The design key points of the design product: Lies in the shape. 4. The picture or photo that best shows the design key points: Stereogram.

The invention relates to a depth sounding inclination deviation and positioning inclination deviation correction device and method, the device comprises an RTK fixing frame group, a depth finder and an inclinometer, the depth finder is located vertically below the RTK fixing frame group, the inclinometer is fixed on the outer side of a depth finder fixing flange pipe through a mounting angle seat, and the inclinometer is vertically arranged and is parallel to the depth finder fixing flange pipe. According to the method, the swinging angle of the ship is measured through the inclinometer so as to correct the real depth measured by the depth finder. The device is simple and novel in structure and convenient to fix and install, can eliminate position deviation of sounding data in real time, can also eliminate water depth inclination errors caused by rolling of a surveying ship in real time, and effectively guarantees the true reliability of the sounding data. The problems of water depth inclination error and GPS position deviation caused by only rolling of a surveying ship in the measurement process of the depth finder are solved, and the problem that the GPS cannot be fixed due to the influence of a shelter is also solved.

A device (100) for determining a twisting clearance, with an inclinometer (10) designed to determine the inclination of a surface relative to a reference plane, a measuring lever (20), wherein the inclinometer is arranged on a surface of the measuring lever, and a centering clamp (30) arranged non-rotatably on the measuring lever, which is designed to be arranged at least partially in a rotatable machine element, wherein the centering clamp has several clamping jaws (32) and at least one centering piece (34) with several contact surfaces (35).

The invention discloses an inclination angle type static leveling instrument with Abbe error correction, which comprises a shell, a rotating shaft is rotatably arranged in the shell, a connecting rod is fixed on the rotating shaft, a floating ball is fixed at the front end of the connecting rod, an inclinometer is mounted on the connecting rod, and the inclinometer is used for obtaining a pitch angle alpha and a roll angle beta of the connecting rod. The measured height delta H of the dip angle type static leveling instrument with abbe error correction is calculated by a formula (1). Compared with the prior art, the liquid level change drives the floating ball to cause the dip angle change of the connecting rod, the angle encoder collects the rotation angle p, meanwhile, the inclinometer collects the pitch angle alpha and the roll angle beta of the connecting rod, and then the abbe error is corrected according to a preset algorithm to calculate the absolute height variation. Through the structural design, the pose requirement of the level gauge is reduced, so that the level gauge can adapt to more complex measurement scenes. And secondly, relative height variation measurement is converted into absolute height variation measurement, so that the data reliability is improved.

The invention discloses a landslide monitoring and early warning method and system based on multi-source data fusion. The method comprises the steps that position data, displacement data, inclinometry data, water level data, rainfall data and crack data of a target slope body are acquired; dividing the target slope body into a plurality of three-dimensional grids; determining the attribute of each three-dimensional grid according to the position data; the zero value is interpolated into the three-dimensional grid with the attribute of no slope body, the displacement data, the rainfall data and the crack data are interpolated into the three-dimensional grid with the attribute of the slope body surface, and the inclinometry data and the water level data are interpolated into the three-dimensional grid with the attribute of the interior of the slope body to form a target tensor; and inputting the target tensor into the 3D-CNN + LSTM model, and outputting to obtain a landslide early warning result. According to the method, the slope body is subjected to three-dimensional gridding, monitoring point data is expanded from points to surfaces, the method can be conveniently applied to a 3D-CNN + LSTM model, the data size can be reduced, calculation can be simplified, cost can be reduced, and generalization of the model is facilitated.

The utility model relates to the technical field of engineering surveying, and provides a sliding type inclinometer structure which is used for monitoring horizontal displacement of a deep layer of a foundation pit. The device is composed of a first guide wheel structure, an inclinometer rod and a second guide wheel structure. An aviation plug connector is arranged at one end of the first guide wheel structure, an internal annular blocking groove is used for fixing an aviation plug, and installation and replacement of the aviation plug are facilitated through plug-in type spiral connection. And the other end of the main body is provided with a tilt angle sensor placement table and is connected with an aviation plug through a line position hole penetrating through the main body. The inclinometer rod joints of the first guide wheel structure and the second guide wheel structure are provided with threads and waterproof sealing ring grooves, insertion type spiral fixing is adopted, structural gaps and shaking are reduced, the sealing performance is improved, water seepage is prevented, and the measurement precision and stability are improved.

The utility model discloses a bridge pile foundation detection frame, which comprises a mounting plate, a first fitting bulge, a first reference fitting plate, first side plates, first limiting strips and a rotating seat, wherein the front surface of the first fitting bulge is provided with a bulge; the mounting plate is provided with a first reference fitting plate and the first side plates; the front sides of the first side plates on the left side and the right side are provided with first limiting strips which extend oppositely; the upper end of the movable mounting frame is rotationally mounted on the rotating seat along the front-back horizontal axis, and the movable mounting frame comprises a base plate. According to the utility model, the mounting plate and the movable mounting frame are respectively used for mounting the first inclinometer and the second inclinometer, so that angle detection requirements in two vertical and horizontal directions can be simultaneously met, the limitation that a traditional detection frame can only detect angles in a single direction is solved, convenience is provided for omnibearing detection of a pile foundation, and the detection efficiency is improved. Therefore, the inclination angle change of the pile foundation in two directions can be detected; the first inclinometer and the second inclinometer are limited in multiple directions, so that the instruments are effectively prevented from displacing or shaking in the measurement process, and the accuracy and the reliability of measurement results are ensured.

1. The name of this design product: Inclinometer. 2. Purpose of this product: This product is used to measure the tilt angle of an object during its movement. 3. The key point of the design of this product lies in its shape. 4. The picture or photo that best illustrates the design points: Stereoscopic drawing 1.

The present invention discloses an inclinometer, which relates to the field of marine instrumentation. The inclinometer comprises a main body and a gravity pointer. The lower portion of the main body is provided with scale lines. The upper end of the gravity pointer is rotatably disposed within the main body, and its lower end is coated with a fluorescent material. A light strip is provided on the outer surface of the gravity pointer. This inclinometer not only monitors the tilt state of a ship, but also directly obtains information about the ship's current tilt state at night or in unlit cabins. Furthermore, the inclinometer also functions as a standard lamp for illumination.

The invention relates to the technical field of coal mining, and discloses a coal-pillar-free mining gob-side entry retaining method which comprises the following steps: installing an inclinometer in a rock mass around a gob-side entry retaining, monitoring the inclination and displacement change of the rock mass by using the inclinometer, installing a rock mass stress monitor in the rock mass around the gob-side entry retaining, and monitoring the inclination and displacement change of the rock mass. The monitoring system is connected to monitor the stress state of the rock mass in real time, the acoustic emission sensor is installed in the rock mass around the gob-side entry retaining, acoustic signals generated by grain expansion and rock fracture in the rock mass are monitored, and a comprehensive change index and a safety value are calculated by combining displacement, stress, acoustic emission monitoring data and a calculation result. And then the internal safety of the gob-side entry retaining is evaluated according to the internal safety value of the gob-side entry retaining, tiny changes in the rock mass around the gob-side entry retaining are reflected in time, it is ensured that the supporting measures are always in the optimal state, the deformation trend of the surrounding rock of the roadway is predicted, potential safety hazards can be found in time, and accidents are avoided.

The invention discloses an inclinometer data processing and analyzing method based on magnet ring-encoder collaborative calibration, and relates to the technical field of geotechnical engineering safety monitoring. A magnetic ring is arranged in the inclinometer tube, a reference depth sequence is established, and an encoder distance measurement model is initialized; in the probe lowering process, the measured depth and the reference depth are compared in real time by triggering the magnetic ring, the distance measurement coefficient is dynamically corrected, a depth partition distance measurement factor is generated, and intelligent diagnosis of the health state of the magnetic ring is synchronously achieved; a machine learning error prediction model is introduced, future distance measurement errors are predicted according to the characteristics of environment temperature and accumulative operation duration, feedforward compensation is carried out on distance measurement factors, anti-drift distance measurement factors are generated to control a probe to carry out forward and reverse inclination angle collection, and forward and reverse inclination angle data are fused to obtain a distance measurement result. And calculating the horizontal displacement of each depth point by combining the anti-drifting ranging factor and adopting a segmented accumulation algorithm, and outputting a monitoring result. According to the invention, the precision, long-term stability and system reliability of depth positioning and displacement calculation are effectively improved.

The invention discloses a method and system for expanding the effective measurement range of a high-precision inclinometer, and the method comprises the steps: S1, installing the inclinometer on a Y-axis rotary table of a double-axis mechanical rotary table, and fixing a mechanical rotary table base on a target surface; s2, controlling the double-shaft mechanical turntable to adjust the pose of the inclinometer, so that the initial inclination angle data of the inclinometer is within the measuring range of the inclinometer; s3, biaxial inclination angle data of the inclinometer and biaxial rotation angle data, measured by the encoder, of the mechanical rotary table are collected in real time; s4, fusing the inclination angle data and the rotation angle data based on a coordinate transformation model, and calculating an actual inclination angle of the target surface relative to the horizontal plane; and S5, if the data of the clinometer exceed the preset threshold value, controlling the mechanical turntable to reversely adjust the pose, and repeating the steps S3 to S4 until dynamic compensation is completed. The precision short plate of the mechanical rotary table is stripped from the system, so that the whole system reaches the arc second level measurement precision, the large measurement range of + / -dozens of degrees allowed by the physical structure of the mechanical rotary table is obtained, and the performance which cannot be achieved by a traditional single sensor is achieved.