40 results about "Inclinometer" patented technology

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 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 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.

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.

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 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.

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.

This disclosure relates to a method and system for monitoring displacement of high slopes. The method includes the following steps: arranging and constructing monitoring holes: excavating monitoring holes of a certain depth along the Z-direction in the target slope area; burying monitoring pipes: inserting monitoring pipes section by section into the monitoring holes from bottom to top, and connecting the sections of the monitoring pipes together; inclinometer measurement: placing inclinometer probes at different measuring points inside the monitoring pipes to measure the inclination angles of each segment of the monitoring pipe axis in the X and Y directions; calculating horizontal plane coordinates: calculating the horizontal plane coordinates of each measuring point based on the obtained inclination angles; repeating the above steps to obtain the horizontal plane coordinates for at least two measurements, and subtracting the horizontal plane coordinates of the current measurement from the previous measurement to obtain the horizontal displacement of the target slope area within the time interval between the two measurements. The system is used to implement the above method. This disclosure can monitor deep horizontal displacement of slopes and has the advantages of accurate, reliable, and efficient monitoring.

The invention relates to the technical field of inclinometer monitoring, in particular to an automatic calibration and correction method of an inclinometer, and solves the technical problem of poor overall error correction effect in the prior art. The method comprises the following steps: acquiring a measured temperature sequence and an original dip angle sequence synchronously acquired by an inclinometer; performing thermal stress decoupling and feature reconstruction processing on the measurement temperature sequence and the original dip angle sequence to obtain observation thermal lag trajectory data; performing trajectory shape matching on the observation thermal lag trajectory data and the standard thermal lag trajectory data, and determining a mapping matching set and a shape difference degree of the observation thermal lag trajectory data and the standard thermal lag trajectory data; the shape difference degree is used for representing the overall geometric difference degree between the observation thermal lag trajectory data and the standard thermal lag trajectory data; and performing correction processing on the original dip angle sequence according to the mapping matching set and the shape difference degree to obtain a target correction sequence.

The invention provides an inertial inclinometer inertial navigation and odometer time synchronization method based on zero-speed information, and relates to the technical field of precision measurement, and the method comprises the following steps: obtaining inertial navigation data and odometer data of an inertial inclinometer; traversing the speedometer data, identifying a constant time period in the speedometer data as a zero-speed interval, and extracting all speedometer zero-speed intervals to form a speedometer zero-speed interval set; performing zero-speed judgment on each epoch in the inertial navigation data by using a sliding window method, performing diffusion and screening processing on a judgment result, and extracting all inertial navigation zero-speed intervals to form an inertial navigation zero-speed interval set; matching the odometer zero-speed interval set with the inertial navigation zero-speed interval set according to a time sequence, and calculating synchronous delay corresponding to each successfully matched zero-speed interval pair to form a time synchronous delay set; and calculating an estimated value representing time synchronization bias based on the time synchronization delay set, and compensating the timestamp of the mileage data by using the estimated value of the time synchronization bias.

The utility model discloses while-drilling vertical well inclination measuring equipment, and relates to the technical field of inclination measuring equipment. The device comprises an installation shell, the top of the installation shell is fixedly connected with a fixing shell, then a hydraulic cylinder is started, and the hydraulic cylinder drives a supporting shell, a first motor and a first rotating shaft to slide on the outer walls of two first fixing rods and move downwards; then the first rotating shaft drives the connecting shell, the inclinometer and the drill bit to move downwards to make contact with the ground, then the first motor is started, the first motor drives the first rotating shaft and the connecting shell to rotate, the connecting shell drives the inclinometer and the drill bit to rotate to drill the ground, and therefore the inclinometer is driven to move downwards for detection while drilling is conducted on the ground; by means of the operation, the well drilling function and the inclination measuring function are integrated, an independent inclination measuring step does not need to be carried out after well drilling is completed, and therefore the operation process is simplified, the operation steps are reduced, the working time is shortened, and the overall working efficiency is improved.

The invention relates to the field of inclinometer equipment, in particular to a recording type MEMS (Micro Electro Mechanical System) gyro inclinometer which comprises an MEMS gyro inclinometer body, when the MEMS gyro inclinometer body is electrified and initialized, different north-seeking modes are selected according to whether a north-seeking instruction is received or not, the MEMS gyro inclinometer body enters an inclinometer state, and a true north position is determined by resolving an earth rotation angular velocity component and original sensor output data; performing error compensation calculation on the original sensor output data according to a preset error compensation model, and outputting accurate sensor output data; in the working process, the motion state is judged according to the output data of the sensor, and the accurate output data of the sensor is continuously updated and corrected through an online automatic correction strategy; and the damping structure module is detachably connected with the MEMS gyro inclinometer body and is used for adapting to different underground tandem connection environments. The combined sensor is adopted, and the intelligent north-seeking algorithm and the error compensation model are combined, so that high-precision inclination measurement in a magnetic interference environment is realized, and the measurement precision and the environmental adaptability are improved.

The application discloses a kind of concrete mixing station wind load dynamic monitoring and overturning risk early warning system and method, belong to building engineering structure safety monitoring technical field.The system includes anemorumbometer, double-shaft inclinometer, Kalman filter and early warning determination module;With wind speed and direction as excitation input, inclination data as observation input, wind-induced dynamic inclination component is estimated by Kalman filtering, and real-time inclination is subtracted by the component to obtain static inclination;Early warning determination module simultaneously evaluates whether static inclination exceeds basic inclination threshold, and whether the cumulative change of real-time inclination in sliding window exceeds the dynamic threshold range updated in real time based on the statistical distribution of historical data in window.This application is used for silo structure wind-induced overturning risk monitoring and early warning.

1. The name of the design product: the tilt angle instrument. 2. The use of the design product: used to measure absolute level and relative level, the instrument displays the current angle value in real time. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective drawing.

This invention discloses a safety assessment method for inverting the internal force state of anti-slide piles based on corrected inclinometer data. Inclinometer data is collected along the depth direction of the anti-slide pile using an inclinometer, and the data is preprocessed. A polynomial model is established to fit the pile deflection. Then, a constraint matrix and constraint vector are constructed, and the constraints are solved using regularization. The distribution of internal forces in the pile is calculated using derivatives. The quiet zone at the bottom of the anti-slide pile is identified, and the foundation coefficient at each measuring point is inverted. The distribution of landslide thrust and thrust characteristic parameters are analyzed. The safety factor is calculated using the extreme values ​​of thrust internal forces, and a safety assessment and early warning are provided for the project. This application intelligently integrates the measured displacement of the pile top dial gauge with the relative displacement data of the inclinometer tube, solving the system deviation problem caused by initial readings and zero-point drift. It can accurately reflect the actual stress and deformation characteristics of the pile body. A high-order polynomial continuous fitting model for the entire pile achieves a precise description from discrete measuring points to continuous deformation.

The invention belongs to the technical field of road detection, and particularly relates to an intelligent detection system for the deformation degree of a high slope of a roadbed. Comprising a sensor array, the sensor array comprises an inclinometer used for measuring deep horizontal displacement, a GNSS receiver used for measuring surface three-dimensional displacement, a crack meter / displacement meter used for measuring crack width, a soil pressure box used for measuring internal stress of soil, and an osmometer used for measuring pore water pressure. The inclinometer is used for measuring a local inclination angle; the rain gauge is used for monitoring rainfall; the system also comprises a data module and a processor module, and the data module is in communication connection with each device in the sensor array, and is used for collecting and uploading monitoring data of each sensor in real time or at regular time. The processor module receives the data uploaded by the data module, and executes the following processes: data synchronization and preprocessing, multi-source data collaborative analysis, and deformation degree comprehensive evaluation and early warning; according to the monitoring system, multi-source sensors can be integrated, and cooperative intelligent detection and early warning are achieved.

The present application relates to the field of construction monitoring, in particular to a horizontal displacement monitoring method and monitoring device for a pile hole, the method comprising: S1, taking the bottom of the inclinometer tube in each monitoring hole as the reference datum for displacement calculation and establishing a coordinate system; S2, obtaining inclinometer data at multiple measuring points along the depth direction of each monitoring hole; S3, dividing multiple measuring sections based on the spacing between adjacent measuring points and determining the inclination parameters corresponding to each measuring section based on the inclinometer data of each measuring point; S4, calculating the displacement increment of each measuring section based on the inclination parameters and the length of the corresponding measuring section; and S5, accumulating the displacement increments of each measuring section to obtain the horizontal displacement of the monitoring hole. By accumulating the displacement increments of each measuring section, the human intervention in the calculation process can be reduced, the errors caused by differences in experience judgment can be reduced, and the accuracy of the horizontal displacement monitoring result can be improved.

A portable drilling measuring instrument comprises a receiving rod, a mobile power source is arranged on the outer surface of one side of the receiving rod, the outer surface of the receiving rod and the same side of the mobile power source are connected with a wireless range finder in a magnetic attraction mode, the wireless range finder is provided with a panel and a laser lamp, and the light emitting direction of the laser lamp is parallel to the center line of the receiving rod. A fixed seat is arranged on the outer surface of the other side of the receiving rod, and an inclinometer is arranged on the fixed seat; a lighting camera, an inclinometer and an infrared distance meter are integrated, through modular combination of the measuring end, the measuring rod and the receiving end, measurement of parameters such as the drilling depth and the inclination angle can be completed at a time, real-time visual detection of the rock condition in a hole is synchronously achieved, and compared with a traditional single measuring mode, the working efficiency is improved, the personnel requirement is reduced, and the cost is reduced. The whole set of equipment is light in weight, easy to carry and suitable for rapid measurement of multiple scenes such as tunnels and mines.

A monitoring system for slope protection construction disclosed by the present invention comprises symmetrically arranged mounting rails, an anchor rod embedded in a slope is arranged between the two mounting rails, a walking monitoring mechanism is arranged on the mounting rails, the walking monitoring mechanism comprises a walking assembly and a monitoring assembly, the walking assembly comprises a linear rail, a walking support is movably arranged on the linear rail, and the monitoring assembly is arranged on the walking support. The monitoring assembly is installed on the walking support, the monitoring assembly is used for monitoring the anchor rods in real time, the monitoring assembly comprises a clinometer, a vibrating wire type accelerometer, a strain gauge and a thermometer, and the anchor rods on the inner sides of the two installation rails can be monitored through the arranged walking monitoring mechanism; the clinometer, the vibrating wire type accelerometer, the strain gauge and the thermometer are arranged on a control panel in the control box and matched with a pointer and scales, and all-weather monitoring on each anchor rod and each structure of a side slope can be achieved.

The utility model relates to the technical field of slope engineering monitoring, specifically discloses a slope fault weak layer deformation monitoring device, include: the slope body, the slope surface of slope body is provided with the monitoring drill hole, the inside of monitoring drill hole places has the deep layer monitoring cylinder, the top of deep layer monitoring cylinder installs the middle layer monitoring cylinder, the utility model discloses the synergic working of strain gauge, clinometer, fiber grating sensor, three -dimensional accelerometer and deep surveying inclinometer etc. parts, realized to the multidimensional precision monitoring of slope fault weak layer deformation, strain gauge can real -time perception fault weak layer's stress change, clinometer measures the slope body inclination angle, fiber grating high -precision monitoring displacement and temperature, three -dimensional accelerometer analysis vibration acceleration, deep surveying inclinometer positioning deep displacement vector, and the position of adjusting mechanism can adjust the sensor, thereby can real -time capture the dynamic deformation characteristic of fault weak layer, and the monitoring precision and applicability of slope deformation under the complex geological condition have been improved.

The invention relates to the technical field of track surveying and mapping, and discloses an inclinometer zero error measuring device, a measuring method thereof and track inspection equipment, and the inclinometer zero error measuring device comprises a machine shell with a containing cavity, a locking and releasing assembly fixedly arranged in the containing cavity, a measuring assembly movably arranged in the containing cavity and a lifting assembly. The locking and releasing assembly comprises at least one locking and releasing piece; the measuring assembly comprises a driving mechanism with a rotating shaft and a measuring mechanism, the measuring mechanism is in transmission connection with the rotating shaft, and at least two connecting pieces are arranged on the peripheral side of the rotating shaft at intervals and can rotate around the rotating shaft, so that the at least two connecting pieces are alternately aligned with the at least one locking and releasing piece; the lifting assembly can drive the measuring assembly to move in the vertical direction so that the connecting piece can move towards the locking and releasing piece and be matched with the locking and releasing piece for limiting, and the connecting piece can move away from the locking and releasing assembly after being unmatched with the locking and releasing assembly. According to the invention, the horizontal zero calibration convenience and measurement precision of the inclinometer can be improved.

The embodiment of the invention discloses a low-orbit satellite observation method and device based on a fisheye camera. A specific embodiment of the method comprises the following steps: deploying an observation moment observation station comprising a single-axis rotating platform, a fisheye lens optical system and an electronic clinometer; according to the observation time observation station, acquiring a low earth orbit satellite star map at a preset exposure time, and storing an observation station position corresponding to the preset exposure time and inclination attitude data measured by the electronic inclinometer; determining a station center horizon coordinate of the low earth orbit satellite target at the preset exposure moment according to the preset exposure moment, the observation station position and the low earth orbit satellite map; fusing the station center horizon coordinates with pre-stored orbit initial data to obtain a fused low-orbit satellite orbit; and performing orbit determination on the fused low-orbit satellite orbit to obtain refined low-orbit satellite orbit parameters. The implementation mode overcomes the technical defects of low observation efficiency, poor maneuverability, single function and the like in the existing non-cooperative low orbit satellite observation.

1. The name of the design product: tilt angle instrument. 2. The use of the design product: detection of horizontal angle and tilt angle. 3. The design points of the design product: combination of shape and pattern. 4. The picture or photo that best shows the design points: front view. 5. Other circumstances that need to be explained: the black area in the front view is the display area.

This invention discloses a fiber optic gyroscope inclinometer integrated navigation system and method, comprising a retrieval head, an upper centralizer, a fiber optic gyroscope inclinometer, a navigation calculation and processing mechanism, a lower centralizer, and a six-axis inertial sensor connected in sequence. Four velocity measuring components are centrally symmetrically arranged on the circumferential sides of both the upper and lower centralizers. Each velocity measuring component includes a roller, a triangular elastic centralizer for pressing the roller against the well wall, and a wheel speed acquisition device for collecting the roller's rotational speed. Both the wheel speed meter and the six-axis inertial sensor can communicate with the navigation calculation and processing mechanism, which can obtain cable length information provided by a ground system. The fiber optic gyroscope inclinometer integrated navigation system of this invention, with the above structure, has advantages such as strong anti-magnetic interference capability, high reliability, and the ability to suppress navigation attitude error divergence for extended periods, thereby achieving long-term, high-precision continuous measurement.

1. The name of the design product: full-automatic inclinometer. 2. The use of the design product: used in the scene of slope monitoring, foundation pit support, tunnel construction, geological exploration and underground pipeline deformation detection, etc., for obtaining the inclination change data of different depth positions inside the hole. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view.