7 results about "Tiltmeter" patented technology

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 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 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 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.