183 results about "Rockfall" patented technology

The present application discloses a method for measuring impact force of debris flow and application, and a design method for barrier energy dissipation pile array. The method for measuring vertical impact force of debris flow measures the tangential velocity of debris flow at the impact point to measure the vertical impact force distribution of debris flow on the impact point. Further, the design method for pile array simplifies the free section of energy dissipation pile as a cantilever beam, which generates a bending resistance when impacted by debris flow, and the bending resistance continuously works to dissipate the impact kinetic energy of debris flow. According to the motion characteristics of debris flow, the impact time and distance parameters are further derived to solve the problems of measuring and designing the stability parameters of single energy dissipation pile, the energy dissipation parameters of barrier energy dissipation pile array, and the number parameters of barrier energy dissipation pile array. The present application also provides the application of each measuring and designing method. The present application provides a more scientific and perfect solution for the energy dissipation design of barrier energy dissipation pile array to resist the impact damage of rockfall and debris flow caused by landslide disaster.

The invention relates to the technical field of video image intelligent analysis, in particular to a rockfall detection and early warning method and system based on videos. According to the method, a suspected rockfall target is recognized and judged by collecting a road or side slope monitoring video and combining target detection and motion trail analysis; and after the rockfall is judged, generating early warning information containing the position, time and danger level, storing the early warning information in a database, and triggering an early warning prompt of a user side at the same time. The system is composed of a video acquisition module, a detection and judgment module, an early warning generation module, a log storage module and a front-end interaction module, and all the modules achieve cooperation through data interfaces. Compared with the prior art, the method can still keep high detection accuracy and real-time performance in a complex environment, has the advantages of high automation degree and high expandability, can be widely applied to scenes such as highways, railways and mining areas, and remarkably improves the traffic and engineering safety level.

The invention provides a rockfall slope geology early warning device and method based on digital twinning, and relates to the technical field of slope geology early warning. According to the invention, slope multi-dimensional physical parameters are obtained through the perception acquisition module, standardized processing and multi-protocol transmission are completed nearby through the edge transmission module, and the cloud load is reduced. The digital twinborn module constructs a mechanical twinborn model, dynamically updates and forms a digital twinborn body in combination with standard data, and accurately copies the slope state; and the early warning decision module realizes graded early warning through a risk assessment system. A full-link closed loop of sensing, transmission, modeling and early warning is integrally formed, the problems that traditional early warning data are fragmented, manual dependence is high, and static modeling is disjointed with reality are solved, conversion from passive response to active pre-judgment is achieved, on-site rapid response and global accurate analysis are balanced, and the accuracy, real-time performance and actual combat performance of early warning of the rockfall slope are improved.

The invention provides a collapsed rockfall accurate identification and monitoring method and device based on AI and machine vision, and relates to the technical field of geological disaster monitoring, and the method comprises the steps: collecting the multi-modal visual data and environmental parameters of a collapse hidden danger region through a cooperative collection system; performing recognition, contour extraction and spatial parameter calculation on the multi-modal visual data through the recognition and positioning model to obtain a contour sequence, a volume sequence, a spatial coordinate sequence and a spatial attitude sequence of the collapsed rockfall; on the basis of the space coordinate sequence, the space attitude sequence and the multi-modal visual data, predicting the movement track and the speed sequence of the collapsed rockfall through a mixed time sequence AI model; inputting the environment parameters, the contour sequence, the volume sequence, the motion trail and the speed sequence into a kinetic energy calculation model, and calculating to obtain the impact energy of the collapsed rockfall; according to the contour sequence, the volume sequence, the motion trail, the speed sequence and the impact energy of the collapsed rockfall, the collapsed rockfall risk level is obtained through calculation.

The invention discloses an accurate control blasting construction method for a high and steep slope of a surface mine, and relates to the field of blasting operation. The accurate control blasting construction method for the high and steep slope of the surface mine is outstanding in safety benefit, and the long-term stability of the slope is greatly improved by forming the high-quality flat slope, so that the risks of landslide and rockfall are fundamentally reduced, and the safety of personnel and equipment below is guaranteed; the economic benefit is remarkable, overexcavation and underexcavation of the side slope are reduced, the stripping amount is close to a design value, the cost is saved, a steeper slope angle can be adopted for stabilizing the side slope, the total rock stripping amount is reduced, recoverable resources are increased, and the service life of a mine is prolonged; the technical benefit is obvious, the half-hole rate is improved, the surrounding rock damage and blasting vibration are reduced, and a better foundation is provided for slope supporting operation such as follow-up anchor rod and anchor cable installation; environmental and operation benefits are improved, environmental damage caused by slope instability is reduced, drainage system arrangement and daily safety inspection are better facilitated through slope leveling, and long-term maintenance cost is reduced.

The invention discloses a landslide disaster site safety risk assessment decision-making method and system, and belongs to the technical field of geological disaster risk assessment and emergency rescue. According to the invention, through multi-source monitoring data fusion processing, potential rockfall risk release points on a landslide site are identified, and attributes and release probabilities of the potential rockfall risk release points are quantified; a data-driven rockfall simulation model parameter intelligent optimization system is constructed, and self-adaptive adjustment of simulation parameters is achieved; and a scene-driven five-factor risk assessment system is provided, risk assessment of the operation area is completed by integrating disaster risk and disaster-bearing body sensitivity, and finally a visual risk distribution map is generated and dynamic updating is realized. According to the method, the defects of static performance, parameter solidification and single index of a traditional assessment method are overcome, dynamic and high-precision assessment of the landslide disaster risk is realized, the accuracy and the real-time performance of risk assessment are remarkably improved, and scientific and reliable decision support is provided for landslide emergency rescue operation.

This utility model discloses a surveying drone with a rockfall protection structure, relating to the field of drone technology. It includes a main cabin for housing the drone's electronic components; a measurement host located at the top center of the main cabin for performing measurement functions and data acquisition; a protective frame located on the top outer side of the main cabin for protecting the measurement host; several extension arms located around the main cabin for welding to form the drone's frame; a propeller for providing flight propulsion; a rockfall protection assembly located on the outer side of one end of each extension arm for preventing damage to the propeller from falling rocks; a landing support located in the middle of each extension arm for supporting the drone's landing; and a control mechanism located inside the main cabin for controlling the drone's flight and signal transmission. This utility model effectively solves the problem of surveying drones being easily damaged by falling rocks when operating in areas prone to geological disasters.

This application belongs to the field of plastic pipe performance testing technology, specifically relating to a plastic pipe strength testing device and method. The testing device includes a support base, a clamping mechanism, a guide tube, a velocity sensor, and a deformation detector. The support base has a support platform; the clamping mechanism is connected to the top surface of the support platform for positioning the plastic pipe; the guide tube is connected to the support base, vertically positioned above the plastic pipe held by the clamping mechanism, allowing falling rocks to impact the plastic pipe; the velocity sensor is connected to the support base and located at the exit of the guide tube to obtain the instantaneous velocity of the falling rock impacting the plastic pipe; the deformation detector is connected to the support base and located at the exit of the guide tube to detect the deformation of the plastic pipe when impacted by a falling rock. This application avoids the problem of large differences in test data from different testers in different testing scenarios, improving the accuracy of assessing the rock impact strength of plastic pipes.

The utility model discloses a passive blocking and protecting structure for ditch source collapse rolling stones, which comprises a multi-stage blocking structure arranged in a ditch and a buffer percolation structure arranged on the inner side of the blocking structure, the blocking structure further comprises a sheet-pile wall and a gravity type check dam, the sheet-pile wall is arranged at the lower part or the tail end of the ditch source collapse of the ditch, and the gravity type check dam is arranged on the lower part or the tail end of the ditch source collapse of the ditch. A multi-stage gravity type check dam is distributed in the channel on the front side of the sheet-pile wall; the blocking structure can be completely arranged to be a sheet-pile wall or a gravity type check dam. The blocking structure can be alternately provided with sheet-pile walls and gravity type check dam dams according to terrains; the buffering percolation structure further comprises a buffering layer, a rockfall groove and a percolation structure. Through the design of the blocking structure, the buffer layer and the percolation structure, the purposes of blocking rolling stones, draining ditch water and effectively preventing the ditch source from collapsing the rolling stones can be achieved.

This invention relates to the field of coal mining technology, and more particularly to a personal protective device (PPE) for underground operations, comprising a drive base, a support frame, a lifting platform, a first protective component, and a second protective component. When in the protective state, the first and second protective components are in contact; when in the working state, they are separated. The advantages are that the cooperation between the drive base and the support frame allows the support frame to move along the length of the drive base; the lifting platform can lift workers to the working position on the tunnel roof, avoiding physical fatigue caused by prolonged overhead work. The first and second protective components can switch between the protective and working states: in the protective state, they are in contact to form a top protective structure, effectively shielding against falling rocks or broken rock fragments from the tunnel roof; in the working state, they are separated to create operating space, facilitating normal roof work for workers.

The application discloses a kind of stone collecting devices, belong to pipeline conveying technical field, to solve the problem that existing passive stone collecting device is easy to block, the stone collecting device includes main slurry discharge pipeline (1), first rockfall pipeline (2) and first stone storage tank (3), main slurry discharge pipeline (1) contains main slurry inlet section (11) and main slurry discharge section (12), the upper end of first rockfall pipeline (2) is connected with main slurry discharge pipeline (1), the upper end of first rockfall pipeline (2) is located between the inlet (121) of main slurry discharge section and the outlet (112) of main slurry inlet section, the lower end of first rockfall pipeline (2) is connected with the inlet of first stone storage tank (3), and the first filter grid (4) is arranged at the inlet (121) of main slurry discharge section. First rockfall pipeline and first stone storage tank are arranged before first filter grid, and large-diameter slag stone can be filtered out and enter first stone storage tank through first rockfall pipeline, which not only can avoid blockage, but also can improve screening efficiency.

The invention discloses a fracture-vug stratum well wall rock mechanical parameter prediction method based on well drilling chipping rock hardness in the fields of geomechanics, oil and gas well engineering and petroleum and natural gas exploitation. The method comprises the following steps: (1) well drilling chipping rock pretreatment and hardness testing; (2) constructing a quantitative relationship between rock skeleton mechanical parameters and hardness based on a homogeneous isotropic numerical model; (3) extracting stratum fracture-cavity structure characteristic parameters, and constructing fracture-cavity development rock numerical models of different sizes; (4) performing numerical simulation to calculate rock mechanical parameters of the fracture-vug development rock numerical models of different sizes; (5) well wall rock mechanical parameters of the fracture-cavity stratum are obtained through calculation; the invention provides a brand new theory and method for predicting and evaluating the mechanical parameters of the well wall rock of the complex structure stratum, and has important significance on safe drilling, efficient fracturing and the like of unconventional oil and gas resources such as deep and ultra-deep oil and gas, especially deep shale oil and gas of fracture-cavity development, deep complex carbonate rock oil and gas and the like.

The present application relates to the high intensity area highway open cut tunnel stress analysis method under the coupling load of earthquake and rockfall, belongs to data processing analysis technical field, including the following steps: introducing disaster phase coupling factor to quantify the superposition relationship of seismic energy and rockfall load pulse; the time-space evolution process of the whole displacement field of open cut tunnel surface and the internal steel strain of open cut tunnel is calculated by using the earthquake rockfall time sequence coupling method, the multi-scale perception of open cut tunnel structure response is obtained; the dynamic coupling analysis algorithm is introduced to solve the structure inertia response caused by earthquake and the local dynamic response caused by rockfall load pulse, the multi-scale dynamic characteristics of high-frequency impact and low-frequency vibration are handled by hybrid integration strategy; the phase difference of earthquake and rockfall is calculated, the time-gravity distribution law of internal structure of open cut tunnel is obtained, and then the weak area of open cut tunnel under the coupling effect of multiple disasters is determined; the beneficial effects of the present application are: the low-frequency structure inertia response caused by earthquake and the high-frequency dynamic response caused by rockfall impact are obtained.

The invention discloses a bionic structure supporting device for geological disaster emergency and an arrangement method, and relates to the technical field of rockfall prevention supporting, the bionic structure supporting device comprises a bionic mechanism, the bionic mechanism comprises a plurality of longitudinal wires, and a plurality of transverse wires are fixedly connected among the longitudinal wires; the foundation pit high-pressure pile manufacturing mechanism is mounted on the bionic mechanism and comprises a plurality of pit wall extrusion plates; a spider web steel wire structure is simulated through the bionic mechanism, the flexible net body absorbs kinetic energy through elastic deformation buffering during falling stone impact, flexible interception is achieved, and the defect that a rigid structure is prone to being damaged is overcome; by means of the overall cooperation characteristic of local stress, impact force is dispersed to the whole net body and an anchoring system, stress concentration is reduced, and impact resistance and protection stability are improved. The high-pressure pile manufacturing mechanism is installed before concrete injection, and pressure is applied to the foundation pit wall to increase friction force; after concrete is injected, the bonding strength is enhanced, foundation pile displacement caused by soil loosening is prevented, and the stability of falling stone bearing capacity is ensured.

The utility model discloses an underground operation safety escape device, including escape protection platform and the sealing door of rotation connection in escape protection platform, be provided with escape space in escape protection platform, and the sealing door is used for closing escape protection platform, be provided with a plurality of protection unit and support unit on escape protection platform, and support unit is installed in the top end surface of escape protection platform, and protection unit is installed on support unit, when the falling rock appears in the well, and the falling rock directly falls on the protection frame and the rotating plate, avoids the falling rock and directly pound on escape protection platform, and the top of escape protection platform is protected, and under the direction of protection frame and rotating plate, avoids the accumulation of falling rock on protection unit, when the relatively big falling rock is stuck on the protection frame, the rotating plate rotates, and the relatively big falling rock is conveniently rolled down from the protection frame, avoids the accumulation of falling rock, leads to the weight of being relatively heavy, and the protection frame is pressed and broken.

The utility model provides a protection device for mine goaf filling equipment. The protection device comprises a buffering structure, a sliding rod structure, two arch-shaped supporting structures, two adjustable bases and four lifting supporting devices. The two arched supporting structures are arranged in a bilateral symmetry mode, the two adjustable bases are arranged at the bottoms of the two arched supporting structures in a front-back symmetry mode, each adjustable base is connected with the two arched supporting structures, and the two lifting supporting devices are symmetrically arranged below each adjustable base. The protective device for the filling equipment in the mine goaf solves the problems that due to the fact that a pipeline of the filling equipment in the related technology is not provided with an external protective structure, the pipeline is prone to being broken and abraded due to goaf collapse, falling stone impact or rock stratum dislocation.

The application discloses a kind of mountainous area highway slope rockfall protection equipment, including supporting mechanism;The supporting mechanism includes protection plate, and further include at least one first linear degree of freedom;At least four The protection plate is hinged between each other and is folded mutually;The technology of the application can flexibly unfold and adjust the position, angle and form of protection plate according to actual situation by the design of supporting mechanism, abutting mechanism and carrying mechanism.This makes the protection device can adapt to different shapes of slope and various rockfall angle, improves the overall adaptability.M type of unfolding mode makes impact force more evenly distributed on each folding layer, thereby reducing the risk of damage caused by excessive local stress.This helps to prolong the service life of protection plate, reduces maintenance cost.M type of unfolding mode makes the side with acute angle face the side of mountainous area slope rockfall, this design can better intercept and block rockfall.

The application discloses a rockfall multi-target radar monitoring and early warning method suitable for complex terrains and relates to the technical field of data processing, and comprises the following steps: obtaining echo signals through a radar, obtaining moving targets according to the echo signals, obtaining basic data according to the moving targets, obtaining a theoretical path according to the basic data, obtaining monitoring data according to a weather forecast of a meteorological bureau, establishing a corresponding relationship according to the monitoring data and the theoretical path according to the duration, judging whether to issue a warning according to the corresponding relationship, obtaining a final evaluation, and updating the corresponding relationship according to the final evaluation. The application realizes quantitative evaluation of the destructive power of rockfall by adopting fixed clutter filtering technology based on Doppler frequency difference analysis, discarding zero-frequency channel signals by combining fast Fourier transform, combining a prediction-matching mechanism, stably tracking multiple rockfalls, calculating kinetic energy by combining velocity vector calculation and radar echo inversion of rockfall mass, and realizing quantitative evaluation of the destructive power of rockfall.

The utility model discloses an anti-rockfall anchoring pile for road protection, which comprises a cement pier poured between a road and a slope, a steel plate is arranged above the cement pier, a rotatable pile rod is arranged at the top of the steel plate, an anchoring pile ring is anchored on the slope, a U-shaped piece is arranged at the top of one side of the pile rod, and a plurality of U-shaped pieces are arranged at the top of the other side of the pile rod. Steel wire ropes are installed on the U-shaped piece and the anchoring pile ring, hanging rings are arranged at the two ends of each steel wire rope, and the surface of the U-shaped piece is sleeved with the hanging ring on the steel wire rope on the top. The steel plate is fixed below the slope in a pouring mode, then the pile rod is installed on the steel plate, the anchoring pile ring is anchored on the slope, the position, close to the top, of the pile rod is connected with the anchoring pile ring on the slope in a pulling mode through the two steel wire ropes and the basket bolt, and therefore the strength of the installed pile rod is improved. The firmness degree of the anchoring pile can be improved by adopting cement pouring and combining steel wire tying.

To provide a circuit board unit that detects sudden natural disasters such as rockfalls, rockfalls, landslides, mudslides, and debris flows in real time, and a disaster detection device equipped with this circuit board unit. [Solution] The substrate unit 20 includes a circuit board 25 on which an electronic circuit is formed, a switch 25d that opens and closes the electronic circuit by the displacement of an external switch operating part, a case body 21 having a substrate housing part that encloses and houses the circuit board 25, and a cover body 22 that closes the substrate housing part of the case body 21. The disaster detection device includes the substrate unit, a main body device in which the substrate unit is housed and which is provided with a switch operating part that displaces in conjunction with the detection body when a predetermined amount of kinetic energy or more is applied to the detection body and it is displaced and / or deformed, and a detection body supported on the ground by the main body device.

The application relates to an anti-impact force measuring device for a tunnel and a use method thereof, which comprises a support for being installed on the inner wall of the tunnel, a measuring device for measuring the tunnel, a protective cover adjustably installed on the support and covering the measuring device, the protective cover being provided with a detection hole for a laser beam emitted by the measuring device to pass through, the protective cover being moved and adjusted to offset the impact wave in the tunnel, and a plurality of guide blocks fixed to the outer wall of the protective cover, the top surface of the guide blocks being inclined, i.e. the elevation of the part close to the protective cover is higher than the elevation of the part far from the protective cover, so that the falling rocks in the tunnel slide down along the top surface of the guide blocks. The anti-impact force measuring device can reduce the influence of the impact wave and vibration on the measuring device, prolong the service life of the measuring device, and ensure the measurement accuracy of the measuring device.

To provide a rockfall protection and avalanche prevention common fence that can efficiently absorb the energy of rockfall and is more suitable as a protective fence that has both rockfall protection and avalanche prevention functions.SOLUTION: A rockfall protection and avalanche prevention common fence 1 is provided with terminal supports 11 erected at both ends, a wire net 13 fixed to the terminal supports 11 and developed between the terminal supports 11, an intermediate support 12 arranged between the terminal supports 11, and a face material sliding holding member 14 for slidably arranging the wire net 13 between the intermediate support 12 and itself.SELECTED DRAWING: Figure 2

The invention relates to a stress analysis method of a highway open cut tunnel in a high-intensity area under earthquake and rockfall coupling load, which belongs to the technical field of data processing analysis and comprises the following steps of: introducing a disaster phase coupling factor to quantify a superposition relationship between earthquake kinetic energy and rockfall load pulse; calculating the spatial-temporal evolution process of the full displacement field of the surface of the open cut tunnel and the strain of steel bars in the open cut tunnel by adopting an earthquake rockfall time sequence coupling method, and obtaining the multi-scale sensing condition responded by the open cut tunnel structure; a dynamic coupling analysis algorithm is introduced to solve structural inertia response caused by earthquakes and local dynamic response caused by rockfall load pulses, and multi-scale dynamic characteristics of high-frequency impact and low-frequency vibration are processed through a mixed integral strategy; calculating the phase difference between the earthquake and the rockfall, obtaining the time-gravity distribution rule of the internal structure of the open cut tunnel, and determining the weak area of the open cut tunnel under the multi-disaster coupling effect; the method has the beneficial effect that the low-frequency structure inertia response caused by an earthquake and the high-frequency dynamic response caused by rockfall impact are obtained.

A system for determining a path of a movement of mass in a terrain includes a radar device and an evaluation unit which is configured, on the basis of receiving signals, to determine whether a movement of mass activity is present or not at a defined position. This results, in case a movement of mass is present, in movement of mass activities for different points. The evaluation unit determines a path of the movement of mass from a temporal development of the positions of the points for which a movement of mass activity has been ascertained. For determining the path, a cluster of the points can be formed by way of a clustering method.

The invention provides a falling object recognition device and method based on an intelligent geogrid, and the device employs photocuring 3D printing to prepare a geogrid packaging FBG optical fiber sensor with a groove to form a distributed sensing network, controls the position of a falling object through a three-way synchronous belt sliding table, and builds a coordinate system in combination with an infrared laser dynamic calibration system; according to the method, a multi-mode hybrid algorithm of ResNet feature extraction, double-branch coordinate regression and random forest Bayesian optimization is adopted to accurately identify and classify falling objects. According to the invention, more comprehensive and accurate rockfall monitoring and hazard assessment support is provided for slope engineering; the monitoring precision and efficiency can be improved, interference of environmental factors on the monitoring effect can be effectively reduced, and reliable guarantee is provided for safety early warning and emergency response in practical application.

The utility model relates to the roadway support field, concretely is a kind of supporting device for coal mine roadway construction, include: roof;Supporting plate, the supporting plate symmetry is set in the both sides of roof;Reel assembly, the reel assembly is set in the inside of roof, is connected with both sides supporting plate;Protective component, the protective component is set between both sides supporting plate, is connected with the bottom end outer wall of roof, for the shielding of cooperation roof to falling rock;Lifting assembly, the lifting assembly is connected with supporting plate, for the lifting of cooperation supporting plate to roof, by setting protective component, cooperation reel assembly and lifting assembly, so that equipment not only can be applicable to different height's tunnel, and can effectively protect the inner wall of both sides of tunnel, also can realize the synchronous reeling of protective component in the process of reeling, to cooperate with the shielding of roof to falling rock, ensure the safety of staff walking in tunnel.

The present application relates to the technical field of geological disaster prevention engineering, and particularly relates to an adjustable buffer energy-absorbing structure of a rock retaining wall, which comprises an anchoring and guiding system, a buffer energy-absorbing assembly, a driving execution mechanism and a control unit. The present application combines the innovative adjustable inverted V-shaped buffer energy-absorbing assembly with the regulation and control strategy based on the impact dynamics model to construct an efficient, self-adaptive and easy-to-maintain dangerous rock prevention and enhancement system. Through the optimal angle adjustment verified quantitatively, the method realizes the maximum dissipation of impact energy and the active control of rockfall trajectory, improves the protection capability of the traditional rock retaining wall for the key structures behind, and has important engineering application value and popularization prospect.

The utility model discloses a monorail crane rail protection device, which relates to the technical field of mining support and comprises a rail clamping plate for mounting a monorail crane rail and a protection cover arranged above the rail clamping plate. The rail clamping plate comprises an upper pressing plate, lower supporting plates symmetrically arranged on the two sides of the bottom of the upper pressing plate and a hanging rod fixed to the upper portion of the upper pressing plate and extending upwards to be fixed to the hanging anchor rod. The upper pressing plate and the lower supporting plate are fixedly connected through bolts. The monorail crane track is of an I-shaped structure, an upper wing plate of the monorail crane track is tightly attached to the upper pressing plate, and the two sides of the monorail crane track are clamped on the upper pressing plate through the corresponding lower supporting plates. A plurality of suspenders are uniformly arranged in the extension direction of the monorail crane track; the protective cover is arranged above the rail clamping plate in a covering manner and covers the area above the monorail crane rail; a through hole is formed in the base; and the through hole penetrates through the suspender and is mounted on the suspender. The protective cover completely covers the upper portion of the rail and prevents falling rocks and sundries from entering, so that active protection is achieved, the rail clamping risk is reduced, and safe operation of the monorail crane system is guaranteed.