18 results about "Ground movement" patented technology

The utility model relates to an agricultural geological sample sampling device, which belongs to the technical field of geological sample sampling and comprises a support frame, a transmission tank is fixedly connected to the top of the support frame, mounting grooves are arranged on two sides of the inner wall of the transmission tank, a fixing ring is slidably mounted in the transmission tank, and a sampling tube is slidably mounted in the support frame. The geological sample sampling device has the beneficial effects that when the geological sample sampling device is used for sampling a geological sample, the sampling pipe and the drill cylinder teeth can be driven to move towards the ground through the arrangement of the transmission assembly, so that the geological sample is clamped in the sampling pipe, the sampling pipe is driven to move upwards immediately, and the drill cylinder teeth can be separated from the sampling hole; the sampling bottle can be placed below the drill cylinder teeth, the piston rod is pushed, a sample in the sampling pipe can be pushed into the sampling bottle by utilizing the piston plate so as to realize the purpose of convenient sampling, and the piston type design is adopted, so that a complete soil sample can be conveniently taken out.

The present invention relates to a ground subsidence detection apparatus, which is capable of continuous detection of ground subsidence, predicts the occurrence of sinkholes and thus can preemptively prevent a sinkhole from forming, and due to having a simple structure, can increase durability and reduce cost. Provided is a ground subsidence detection apparatus exhibiting an alarm color using reflection of a light source and a detection weight, which, without using a separate power source, falls due to gravity in the event of cavity formation in the ground, or falls due to ground movement when ground movement occurs.

The present application relates to the technical field of geological detection, and particularly relates to a landslide detection device, which comprises a shell, a friction induction surface on the inner wall of the shell, an electro-induction turntable connected to the shell in a relative rotating manner, an electro-induction boss on the circumferential side of the electro-induction turntable, a driving assembly comprising a driving member arranged outside the shell and a transmission member connected with the driving member and extending into the shell for driving the electro-induction turntable to rotate, and a circuit system arranged in the shell and electrically connected with the friction induction surface, wherein the circuit system is configured to capture an electric signal generated by the friction between the electro-induction boss and the friction induction surface when the driving member drives the transmission member to drive the electro-induction turntable to rotate under an external force, and transmit the electric signal to an external monitoring device. The present application converts the ground movement during a landslide into the rotation of the electro-induction turntable and the friction between the electro-induction boss and the friction induction surface to generate an electric signal, and realizes the detection of the landslide by capturing the electric signal.

The invention discloses a method and a system for controlling the movement range of overlying strata in coal mining, a storage medium and computer equipment, and the method comprises the following steps: determining a to-be-protected earth surface target area and a corresponding underground coal mining area, the coal seam burial depth and the overlying strata strength corresponding to the underground coal seam mining area and the earth surface movement angle corresponding to overlying strata movement caused by coal seam mining are obtained; an overlying strata cutting mode is selected based on the overlying strata strength, the overlying strata cutting mode comprises a vertical cutting mode and an inclined cutting mode, when the overlying strata strength falls into the soft rock range, the overlying strata cutting mode is determined to be the vertical cutting mode, and when the overlying strata strength falls into the hard rock range, the overlying strata cutting mode is determined to be the inclined cutting mode; on the basis of the overlying strata cutting mode, overlying strata cutting parameters are obtained, and according to the coal seam burial depth, the earth surface movement angle and the overlying strata cutting parameters, the size of a protection coal pillar after overlying strata cutting is carried out is calculated; and according to the size of the protection coal pillar, overlying strata cutting construction is executed so as to control the overlying strata moving range.

The utility model belongs to the technical field of agricultural management, and particularly relates to a stump crushing device for forestry engineering. Comprising crawler wheel bodies which are symmetrically arranged, a bottom plate is fixedly installed between the crawler wheel bodies, and a stump crushing assembly is arranged on the bottom plate. The crawler wheel is simple to operate and easy to master, through corresponding structural improvement, the crawler wheel body can be directly controlled to move on the ground and be started to the position above a stump in soil, the stump is directly smashed by rotating the digging barrel, the stump is smashed on the ground, then stump fragments are excavated away through an additional excavator, and therefore the stump crushing efficiency is improved. The overall working efficiency can be effectively improved, and the operation difficulty is greatly reduced.

The application discloses a kind of laser cleaning system adaptive positioning device suitable for uneven ground movement, to solve the problem of the existing laser cleaning system in uneven ground operation due to the dynamic change of vehicle pose causes cleaning head positioning precision to decline.This application includes unmanned vehicle platform, high-precision lifting rotating platform and relative position sensing device.Relative position sensing device real-time acquisition laser cleaning head and the relative pose change between the surface of the workpiece to be cleaned, and the change is transmitted to the control system;Control system drives high-precision lifting rotating module or industrial robot controller to carry out multi-degree-of-freedom dynamic compensation, so that the relative position between cleaning head and workpiece surface remains constant.This application does not need to lay steel rail or slide, can effectively overcome the up-and-down jitter, pitch, roll and yaw disturbance caused by ground undulation, significantly improve the operation precision and stability of laser cleaning system under complex terrain, suitable for automatic laser cleaning of large structural parts.

The invention belongs to the technical field of magnetic measurement, and particularly relates to a scalar magnetic anomaly ground movement measurement system and a standard magnetic map measurement method, and the method comprises the steps: vertically placing two scalar sensors at different heights; obtaining magnetic anomaly data after the two scalar sensors are leveled and three-dimensional position data of the corresponding measuring points; according to the elevations of the measurement data of the two scalar magnetic sensors, calculating the elevation of a calculation surface of upward continuation of the data after leveling of the lower scalar sensor; according to the upward continuation calculation surface elevation, continuating measurement data of a lower scalar sensor upwards to a calculation surface to obtain continuation magnetic anomaly data; calculating a Pearson's correlation coefficient of the continuation magnetic anomaly data and the anomaly data of the upper scalar magnetic sensor; obtaining a correlation threshold, and judging whether the Pearson's correlation coefficient is greater than or equal to the correlation threshold; if not, the continuation magnetic anomaly data is the measured magnetic map, and vibration errors caused by ground fluctuation can be effectively reduced through continuation calculation.

To address the problem of the lack of means to accurately predict the surface displacement deformation of mining areas in complex boundary-shaped working surfaces, and the difficulty of performing accurate calculations, this invention provides a mining area surface displacement deformation prediction method based on a segmentation method that improves the efficiency and accuracy of mining area surface displacement deformation prediction. [Solution] The method of the present invention first identifies the location information of the mining site boundary in the mining area and obtains the coordinate information of the mining site boundary, establishes a function equation in the horizontal plane rectangular coordinate system of the mining site boundary based on the coordinate information, divides the mining site based on whether the boundary of the mining site can be represented by the same function equation, calculates the ground settlement value occurring in each segment of the mining site using the equation, superimposes the settlement values ​​at the same ground position for all segments of the mining site to obtain the complete ground settlement value, and finally obtains other parameters of the mining area ground movement deformation based on the relationship between other ground movement deformation parameters and the ground settlement value.

This invention provides a single-drive joint wheeled-leg amphibious robot and its control method. The robot includes a main body module, a left tilt-rotor power module, a right tilt-rotor power module, a left telescopic wheel-leg joint power module, a right telescopic wheel-leg joint power module, and electronic equipment. The control method includes a flight mode, a ground mode, and a transition mode. The flight mode includes forward and backward movement control, lifting and rolling motion control, and yaw motion control. The transition mode includes switching from ground motion mode to airborne flight mode and vice versa. This invention extends endurance and can be applied to missions such as road traffic monitoring, search and rescue in damaged buildings after disasters, exploration of unknown mines in the wild, geological exploration, and covert reconnaissance, and has significant meaning and value for the future.

The invention relates to the technical field of mine monitoring, and provides an earth surface movement observation method and device. The method comprises the following steps: acquiring surface movement data of a GNSS base point arranged outside a first area, and acquiring surface movement data of each GNSS measuring point in at least two GNSS measuring points arranged in a second area; wherein the first area is an area where the ground surface moves due to the mining activity of an underground mine, and the second area is a sub-area which meets a preset representative condition in the first area; based on the earth surface movement data of the GNSS base point and the earth surface movement data of each GNSS measuring point, determining an earth surface movement observation result corresponding to the underground mine; and according to the corresponding earth surface movement observation result, determining earth surface movement basic parameters and earth surface subsidence characteristics corresponding to the underground mine. Based on the scheme of the invention, the acquisition efficiency of the ground surface movement observation result, the ground surface movement basic parameters and the ground surface subsidence characteristics corresponding to the underground mine can be improved.

The application provides a method and device for determining the mining range of the coal under buildings in a coal mining subsidence area. The method comprises the following steps: obtaining buildings in the mining subsidence influence range of a working face, dividing the working face into multiple blocks, and determining the ground movement and deformation data of the buildings after mining of each block; in the case where the sum of the ground movement and deformation data corresponding to all the blocks is greater than a preset threshold, sequentially deleting the blocks until the sum of the ground movement and deformation data corresponding to the remaining blocks is less than or equal to the preset threshold. The method determines the ground movement and deformation data of each block on the buildings, deletes the blocks in the manner of maximizing the remaining coal mining range, and accurately and quickly provides a coal mining scheme, so that the mining benefit is maximized under the premise of protecting the buildings.

The application discloses a near-surface trajectory reconstruction method and system based on geodesic line recursion, and belongs to the technical field of navigation equipment testing. i，i+1 The application extracts the projection length (S i，i+1 , s-K i‑1，i，e ) and elevation change information (h i+1 -h i ) of adjacent points in measured positioning data, adopts the principle of keeping the change of the ground heading and the invariable ground height, starts from the initial place (including h0) and initial direction of the simulation area set by human beings, carries out simulation trajectory recursion, and completes the reconstruction of the measured trajectory in any area on the ground. The application is proved by mathematics to meet the same ground movement characteristics of the reconstructed trajectory and the measured trajectory, provides a rigorous theoretical basis for the identification of subsequent evaluation results, and can be applied to the trajectory reconstruction of any place and any direction, and increases the flexibility of the test design.

This ground movement analysis device comprises an inclination projecting unit (12) which converts LoS movement data acquired for each of a plurality of predetermined unit areas included in a region of interest into inclination movement data in a direction along an inclination direction of the region of interest, an offset correcting unit (13) which performs offset correction of the inclination movement data, and a hotspot extracting unit (14) which uses the offset-corrected inclination movement data to extract, as a movement hotspot, a region in which movement of the ground surface is greater than in a surrounding region, wherein the LoS movement data observed in an area having an undulating topography are converted into inclination movement data in a direction along the inclination direction of the undulations, and noisy data components are removed by means of the offset correction, after which the region having a large ground surface movement is extracted as the movement hotspot, thereby enabling the state of ground movements to be accurately captured, even in areas having an undulating topography.

To suppress breakage of a pipe due to ground fluctuation.SOLUTION: The underground pipe protection structure includes an underground outer wall 40 covering an G1 of a wall surface of a foundation G, a path portion 60 extending from the underground outer wall 40 into the foundation G and forming an underground pipe path 52, a closing member 70 slidably pressed against an 60E of an opening end portion of the path portion 60 on the foundation G side and closing the opening 60E1, and a pipe 12 having a flexible portion 12B deformably accommodated in the underground pipe path 52 and buried in the foundation G through the underground outer wall 40, the underground pipe path 52, and the closing member 70.SELECTED DRAWING: Figure 2

This invention relates to a ground settlement detection device that can predict sinkholes by continuously detecting ground settlement, thereby preventing sinkholes from occurring in advance. It also improves durability and saves costs due to its simple structure. Furthermore, it provides a ground settlement detection device that does not use an additional power source and uses a detection cone that descends due to gravity when a sinkhole occurs in the ground or descends due to ground movement when the ground moves, along with light source reflection, to display a warning color.

The invention belongs to the technical field of robots, and relates to a multi-motion-mode six-foot metamorphic robot which comprises a robot body, four advancing legs and two clamping legs. Each foot group unit is formed by the four advancing legs and the two clamping legs in the mode that one advancing leg, one clamping leg and one advancing leg are combined, and the two foot group units are symmetrically arranged on the left side and the right side of the robot body respectively. The robot can adapt to the two complex environments of ground advancing and tree climbing at the same time, and has the active obstacle avoidance capacity in the ground high-speed moving and climbing process; the robot has five motion modes including a crawling mode, a crawler walking mode, a rolling mode, a vertical climbing mode and a circumferential surrounding obstacle avoidance mode, and efficient maneuvering and obstacle crossing operation can be achieved in various complex terrain environments.

The present disclosure relates to an earthquake prediction network design that is formed by the coordinated operation of an IoT (I)-based radon measurement / prediction network, in which the radon concentrations in outdoor environments and / or in soil gas near active fault lines are continuously monitored from a central location and in which the next radon level can be automatically predicted before measurement by means of the prediction algorithms used, together with seismographs that measure ground movements, and that comprises an early warning system in which the authorities (Y) are automatically informed in cases where earthquake risk is detected.

It is disclosed a method for controlling an aerial lift, the method comprising a first step (101) carried out while the wheels are not rotating, during which a first characteristic variable of a state of the aerial lift is measured, the first variable being a height of a basket of the aerial lift, and measuring at least one second characteristic variable of the state of the aerial lift, the first value forming a set of values together with at least one second value measured for each second variable. A second step (102) is then performed to assess whether each set of values is located within an authorized area (Z1) or a prohibited area (Z2) of the column graph (110) associated with that set of values. During a subsequent third step (103), the ground movement of the aerial lift is authorized or not authorized depending on the evaluation of the second step (102).