88 results about "Open-pit mining" patented technology

The invention belongs to the technical field of open-pit mining of mines, and particularly discloses a quantitative evaluation method for a blasting effect, which comprehensively considers key indexes such as punching rate, inbound boulder rate, ore particle size distribution and root rate, and finally evaluates the blasting effect of a muck pile through the comprehensive score of each index, so as to realize optimization of punching blasting design and construction process, and improve the blasting effect of the muck pile. Therefore, the blasting effect is improved, comprehensive and objective evaluation of the blasting effect is achieved, limitation of single index evaluation is effectively avoided, automation of the evaluation process is achieved through assistance of the intelligent management and control platform, the efficiency of evaluation work is remarkably improved, and the influence of human factors on the evaluation result is reduced. The accuracy and the reliability of the evaluation result are ensured, a quantitative evaluation reference is provided for the quality of the blasting effect, the condition of poor blasting effect can be identified in time, and the design and the construction process of perforation blasting are optimized in time, so that the blasting effect is remarkably improved, the production cost is effectively reduced, and the production efficiency is improved.

The invention relates to the technical field of image processing, in particular to a mine safety monitoring method and system for an open-pit mining area. The method comprises the following steps: firstly, constructing different sliding windows to slide on a wedge-shaped slope image, extracting periodic characteristics of a slope surface by using similarity evaluation indexes, and comprehensively evaluating the similarity of each region of the image; secondly, determining periods of the image in vertical and horizontal directions based on similarity evaluation indexes, and optimizing block grid parameters according to the periods, so that the algorithm processing scale is matched with the periodic characteristics of the image, and the pertinence and detail representation of image enhancement are improved; and finally, the crack risk evaluation index is calculated by using the enhanced image, so that the accuracy and reliability of crack risk evaluation are remarkably improved, and the precision and robustness of slope landslide disaster monitoring are enhanced.

The invention belongs to the technical field of surface mines, and particularly discloses a large surface mine slope angle optimization method based on rock mass quality, which is used for analyzing engineering geological conditions, slope stability conditions and development trends of rock mass by surveying earth surface engineering geology of a mining area. Investigating and counting the mine slope rock mass, and determining a sampling interval and a drilling scheme according to a pre-feasibility research report; drilling and acquiring parameters corresponding to drilling samples, and grading the rock samples in the mining area according to the parameters of the drilling samples and a grading method; carrying out plane and vertical partition on the mining area slope, and calculating rock mass mechanical parameters of each area and lithology; establishing a small slope three-dimensional model according to an open-pit mining boundary, changing a slope angle, and calculating a safety coefficient to meet a predetermined specification so as to determine a maximum slope angle; an overall slope model is established, the maximum slope angle is set, and the safety coefficient is calculated to take the slope angle of the vertical partition which is improved to the maximum degree as the recommended slope angle. The method has the advantages of being simple, high in operability, stable in slope and low in stripping ratio.

The invention relates to the technical field of mineral resource mining and mineral separation, and discloses a barite ore open-pit mining harmless mineral separation novel process which comprises the following steps: S1, adopting an open-pit mining mode, stripping surface coverings, and collecting barite raw ore; s2, raw ore primary washing and separation, specifically, the collected raw ore is washed with water, barite rough ore and primary tailings are separated out, and the primary tailings comprise ore washing muddy water and slag; s3, the ore washing muddy water generated in S2 is separated into coarse particle materials and fine muddy water in a physical separation mode, the coarse particle materials and the fine muddy water are 50 meshes or above, according to the novel barite ore open-pit mining harmless beneficiation technology, through all-component separation and resource utilization of tailings, a traditional tailing treatment mode is thoroughly changed, the ore washing muddy water generated by primary washing of raw ore is recycled, and the ore washing muddy water generated by secondary washing of the raw ore is recycled. Through physical separation, reselection and solid-liquid separation processes, fine sand products, soil backfill materials and process reuse water can be obtained through conversion, and no slurry waste residues exist.

The invention relates to the technical field of mining, and discloses an open-air graphite mine mining method and system based on fine rock-ore separation, and the method comprises the following steps: analyzing the geological structure, the ore occurrence state and the surrounding rock property of a graphite mine, and judging whether the graphite mine is a mining area or not according to the analysis result; blasting the mining area by adopting an open-pit mining mode to obtain mixed ore; fine rock-ore separation is conducted on the mixed ore through gravity separation, magnetic separation and flotation, and graphite ore and surrounding rock are obtained through separation; wherein the geological structure comprises fractures, wrinkles and lithology changes; the ore occurrence state comprises the form and continuity of graphite; the surrounding rock property comprises a rock stratum dip angle and a fault zone. According to the method, the mining process of the graphite mine is finely managed and controlled, so that the mining efficiency is improved, the cost is reduced, the safety guarantee is enhanced, the resource waste is reduced, and remarkable benefits are brought to the mining industry of the graphite mine.

The invention relates to the field of mine open pit mining, in particular to a pontoon pump station structure suitable for mine open pit mining, which comprises a bottom frame, a connecting truss, a pontoon assembly and a connecting assembly, the connecting truss is rotationally connected with the underframe; the pontoon assembly comprises a main ship; the connecting assembly comprises a first connecting mechanism, and the first connecting mechanism comprises a first connecting seat, a first connecting block, a first locking piece and a first push-out piece; the first connecting seat is arranged on the main ship, and the first locking piece and the first push-out piece are both arranged on the first connecting seat; the first connecting block is inserted into the first connecting seat, and the connecting truss is connected with the first connecting seat through the first connecting block; the first locking piece is used for locking the position of the first connecting block; and after the first connecting block is unlocked, the first push-out piece pushes the first connecting block to be separated from the first connecting seat, so that the main ship is separated from the connecting truss. The method has the effect of reducing economic loss caused by emergency situations in mining.

The utility model relates to an open-pit mine mining platform, and relates to the field of open-pit mine mining technology, the open-pit mine mining platform comprises a plurality of steps, each step comprises a slope top platform, a side slope and a slope toe platform, the slope top platform is provided with a bridge deck, the bridge deck is provided with a plurality of reinforcing piles, the reinforcing piles are perpendicular to the bridge deck, and the reinforcing piles are arranged on the bridge deck. The bridge deck and the slope crest platform are arranged in parallel, the top face of the bridge deck and the slope crest platform are located on the same horizontal plane, the reinforcing piles are inserted into the steps, the slope crest platform is provided with a first drainage ditch, the first drainage ditch is arranged between the bridge deck and the slope, and the first drainage ditch is arranged between the bridge deck and the slope. And a second drainage ditch is formed in the slope toe platform. The method has the effects that the slope stability is improved, and the landslide phenomenon is reduced.

The utility model belongs to the technical field of open-cast mining equipment, and particularly relates to an efficient shovel loading device for open-cast mining, which comprises a bucket main body, the bucket main body comprises a bucket middle part, a bucket front part and a bucket rear part, and the bucket front part and the bucket rear part are symmetrically arranged by taking the bucket middle part as a center; the first supporting and guiding assembly and the second supporting and guiding assembly are arranged on the sides, close to each other, of the rear portion of the bucket and the front portion of the bucket correspondingly, and the first supporting and guiding assembly and the second supporting and guiding assembly are both connected with the middle of the bucket; a first hinge seat and a second hinge seat are fixedly mounted in the middle of the bucket. The bucket is reasonable in design, the capacity of the bucket can be flexibly adjusted, the loading capacity can be rapidly adjusted according to different working condition requirements, meanwhile, the abrasion resistance and the dustproof performance of a transmission part can be improved, and the operation adaptability and the working efficiency under different working conditions are remarkably improved.

A long arm type compact wheel bucket excavator relates to mechanical equipment for open pit mining, comprising a supporting mechanism, a bucket wheel driving mechanism, a discharging arm rotating mechanism, a crawler walking mechanism and a tensioning mechanism, the discharging arm rotating mechanism comprising a main machine walking mechanism, a supporting base assembly, a rotating platform assembly and an adjusting plate assembly; the supporting base assembly comprising a central pipe vertically fixed on the main machine walking mechanism and a mounting seat fixed on the central pipe; the rotating platform assembly comprising a rotating platform rotatably supported on an L-shaped beam; the adjusting plate assembly comprising an adjusting plate body, a lower connecting shaft slide way symmetrically arranged on both sides of the adjusting plate body and an upper connecting shaft slide groove symmetrically arranged on the other two sides of the adjusting plate body, the guide directions of the lower connecting shaft slide way and the upper connecting shaft slide groove being perpendicular to each other. The wheel bucket excavator does not need to additionally set a reclaimer and will not generate triangular coal, and has the advantages of good stress characteristics, good safety and the like.

The application discloses an intelligent judgment method and system for a dud, and belongs to the technical field of image recognition. The method collects images of blast holes before and after blasting, pre-processes the images to improve quality, then extracts blast hole edge features by using a Canny edge detection algorithm, and determines a blast hole diameter in combination with a Hough circle transformation, and then calculates blast hole aperture areas before and after blasting. Finally, based on comparison of the blast hole aperture areas before and after blasting, it is determined that the drill hole is normally initiated, otherwise it is determined as a dud, and a detection report is generated. The application uses an unmanned aerial vehicle to collect images in combination with image recognition technology, realizes intelligent judgment of the dud, and can improve the safety, accuracy and efficiency of judgment, and is suitable for detection of duds in open-pit mining blasting and other scenes.

The application discloses a kind of V-shaped slope stability calculation method and system, it is related to strip mining technical field.Based on three-dimensional numerical simulation technology, determine its failure mode first determine the spatial form equation of potential sliding body, then the sliding body is divided into regional division micro column, through constitutive relation and static equilibrium condition, the stress state of micro column is solved, the force of each row micro column is superposed along the direction of main sliding surface, and the two-dimensional equivalent shear strength parameters with three-dimensional effect on each row of main sliding surface micro column are obtained using equivalent idea, then the three-dimensional V-shaped slope stability coefficient is derived using rigid body limit equilibrium method.The application avoids the problems of high calculation cost, difficult parameter determination and complex calculation process in the traditional three-dimensional slope stability calculation method, solves the three-dimensional stability problem of this special form slope, provides more reliable theory and technology for the design, mining, prevention and management of slope, and has important practical significance for ensuring mining safety and efficient production.

The invention belongs to the technical field of iron ore open-pit mining, and particularly relates to a transient electromagnetic surface iron ore large-depth ponding goaf exploration method, which comprises the following specific steps: arranging an emission wireframe at the edge of a surface iron ore platform, acquiring an induced voltage signal, and comparing the induced voltage to pre-judge the position of a ponding goaf; adjusting the size of an emission wireframe, laying the emission wireframe in a region suspected to have a water-accumulated goaf below, performing induced voltage signal acquisition, and comparing induced voltage to determine the top position of the water-accumulated goaf; the transmitting wireframe is moved to a first platform below the top of the waterlogged goaf, the signal acquisition probe is moved to the first platform below the platform where the transmitting wireframe is located, the transmitting wireframe and the signal acquisition probe move downwards one by one and perform induced voltage signal acquisition, and induced voltage is compared to determine the bottom position of the waterlogged goaf. According to the method, the range of the waterlogged goaf is judged by comparing the voltage maximum value collected at different platforms with the time corresponding to the voltage maximum value, and potential safety hazards are avoided.

The invention provides a safe in-boundary mining control method for a slope in a landslide-containing risk area, and belongs to the technical field of open-pit mining. Firstly, local transverse mining replacement filling and local slope pressing treatment are conducted on the two sides of the landslide-containing risk area at the same time, and then longitudinal mining and transverse mining alternate mixed construction is conducted on the landslide-containing risk area and a non-landslide risk area; and according to the slope stability coefficient of each stage, construction parameters of each stage are determined, a finite element calculation model is established according to the parameters of each stage, and the transverse mining replacement filling tracking distance is determined. And finally, drawing a project position plan of each stage to guide open-pit coal mining. According to the method, how to treat the local landslide risk area of the side slope and how to reach the boundary after treatment are considered, the problem of treatment lag of the landslide risk area is avoided, and effective technical support is provided for follow-up treatment and follow-up mining of the landslide risk area of the open pit coal mine.

The present application relates to the technical field of mineral exploitation, and discloses a kind of red soil type bauxite mining area multilayer joint mining mining method, comprising the following steps: step 1: the surface soil layer and weathered rock layer covered to stope roof are once overall stripping, expose the roof of the uppermost ore body, form open-pit mining platform;Step 2: the first sublevel ore body is cut off using millisecond compression blasting, and the first stoping space is formed;Step 3: the first stoping space is used to promote the mining of lower ore body, and multilayer collaborative mining is realized;Step 4: after all sublevel ore bodies are mined to the designed depth, the surrounding rock and residual ore at the bottom of the stope are cleaned up, the waste rock generated during the mining process is backfilled to the mined-out area in layers, and the surface of the stope is covered with a surface soil layer after backfilling is completed.The present application can realize synchronous and collaborative mining of multilayer ore bodies, shorten the overall mining cycle, improve resource recovery rate, reduce mining cost and ensure operation safety.

The invention belongs to the technical field of strip mining and rock soil solidification, and particularly relates to a composite material for solidifying mud rock in a strip mine and a preparation method of the composite material. The main components of the composite material for solidifying the mudstone in the strip mine comprise mudstone, fly ash, calcium oxide and a bacillus subtilis suspension. The invention also provides a preparation method of the composite material for solidifying the mudstone of the strip mine, which comprises the following steps: pretreating the mudstone and the fly ash, preparing bacillus subtilis suspensions with different concentrations, fully mixing a mudstone sample, the fly ash, calcium oxide and the bacillus subtilis suspensions, carrying out compression molding, and maintaining for 7 days or 28 days to obtain the composite material for solidifying the mudstone of the strip mine. The composite material for solidifying the strip mine mudstone is obtained. According to the method, the compressive strength, cohesive force, internal friction angle and other mechanical properties of the strip mine mudstone are remarkably improved, and the disintegration resistance and the impermeability are greatly improved, so that the slope stability is effectively enhanced.

The invention relates to an open-pit mining large-diameter sub-presplitting blasting method which comprises the steps that blast holes are arranged, specifically, a row of presplitting blast holes and a plurality of rows of main blast holes are formed in a working step of a stope, the presplitting blast holes are formed in the last row of the working step of the stope, and the presplitting blast holes are formed by half-depth presplitting blast holes and full-depth presplitting blast holes in an alternating mode; blast hole charging: charging the main blast hole according to the conventional design; the charging structure of the half-depth presplitting blast hole comprises a filling section and a charging blasting section. The charging structure of the full-depth presplitting blast hole comprises an air section, a filling section and a charging blasting section. And after the blast holes are charged, detonating cords of the explosive strings are connected to detonating points, and the detonating mode that the pre-splitting blast hole rows are detonated before all the main blast holes, the pre-splitting blast hole rows are detonated in a one-hole-one-sound staggered mode towards the half-depth pre-splitting blast holes and the full-depth pre-splitting blast holes in the same direction, and the half-depth pre-splitting blast holes are detonated before the adjacent full-depth pre-splitting blast holes is adopted for detonating. According to the method, the blasting effect can be remarkably improved by optimizing the blast hole arrangement, the charging structure and the detonating sequence.

The invention discloses a method and a device for judging internal discharge soil bearing of a surface mine, a storage medium and a computer, and relates to the technical field of mining. The method comprises the following steps: acquiring inner dumping site design parameters of a final boundary of open-pit mining; based on the design parameters of the inner refuse dump, calculating a horizontal distance value between an inner refuse dump slope and a working slope of the final boundary of open-pit mining; acquiring a preset distance safety value, and judging whether the horizontal distance value is greater than or equal to the distance safety value; if the horizontal distance value is larger than or equal to the distance safety value, a first instruction is output, and the first instruction is used for instructing final boundary planning of open-pit mining according to the current inner dumping site design parameters; if the horizontal distance value is smaller than the distance safety value, a second instruction is output, and the second instruction is used for instructing adjustment of the inner dumping site design parameters. According to the scheme, the accuracy of judging whether the final boundary of open-pit mining has the internal discharge soil bearing condition or not can be improved, so that the environmental protection level of an open-pit mine is improved.

The application discloses a kind of open-pit mining mine annual resource quantity monitoring method and system, it is related to mine resource monitoring technical field, the method includes: obtaining multi-source remote sensing data, and the multi-source remote sensing data is carried out data screening and control point correction preprocessing, obtain the multi-source remote sensing data after preprocessing;Based on the multi-source remote sensing data after preprocessing, DEM extraction, DEM normalization and 3D butt joint ore body processing are carried out, obtain the butt joint three-dimensional ore body model;According to the butt joint three-dimensional ore body model, the earthwork of open-pit mining area is calculated;Based on the earthwork, the annual resource quantity of open-pit mine is calculated;Based on the annual resource quantity of open-pit mine, using vector and raster superposition method, annual resource quantity monitoring result map of open-pit mine is generated.The application can improve the precision and efficiency of mine annual resource quantity monitoring.

The present application relates to the technical field of equipment overhaul management, and discloses a kind of open pit mining equipment's overhaul management method and system, method includes: based on time period acquisition open pit mining equipment's vibration operating parameter;Periodic variation analysis is carried out to the vibration operating parameter of each time period, and the abnormal variation value of open pit mining equipment in each time period is calculated;Curve fitting is carried out to all abnormal variation values, and the abnormal variation value curve is obtained, and the abnormal variation value curve is processed, and the operating abnormal coefficient of open pit mining equipment is calculated;According to the relationship between operating abnormal coefficient and preset operating abnormal coefficient, it is judged whether open pit mining equipment needs to be overhauled and managed, can deeply fuse the overhaul management method of vibration parameter time sequence analysis, dynamic abnormality quantitative evaluation and intelligent decision-making judgment, to realize the abnormal fault accurate identification and accurate overhaul of open pit mining equipment fault, so as to improve equipment reliability, reduce maintenance cost, and guarantee mine safety production.

The utility model discloses semi-continuous conveying equipment for surface mining, and relates to the technical field of conveying equipment. The semi-continuous conveying equipment for surface mine mining comprises a first concave plate, a conveying belt is arranged on the first concave plate, the left side and the right side of the first concave plate are each fixedly connected with two fixing plates, a cleaning assembly and a cleaning combination are arranged on the first concave plate, and screening assemblies are arranged on the fixing plates. The screening assembly comprises two L-shaped fixing plates, the output ends of two vibration motors drive a screening plate to rapidly vibrate up and down through two second springs and three first springs, and then external ore is placed on the upper surface of the screening plate through a rectangular feeding box; and the screening plate can separate a large amount of soil and small broken stones adsorbed on the ore during rapid up-down vibration, so that the next processing of the ore is facilitated, and the practicability of the conveying equipment during use is improved.

The application discloses a method for constructing an internal dumping site based on a fly ash-based cementing material carbon dioxide storage, and utilizes the cementing properties of fly ash of a pit mouth coal-fired power plant to prepare a fly ash-based cementing material with super high content, and utilizes the high-strength fly ash-based cementing material to construct a carbon dioxide storage, and utilizes a cement-free low-strength fly ash-based cementing material to backfill an open-pit mine pit, so that the resource utilization and efficient collaborative disposal of fly ash solid waste are realized; the carbon dioxide storage is constructed in the internal dumping site space, the open-pit mining space is effectively utilized, and the problem of insufficient material for land reclamation backfilling in the late mining stage is solved; the carbon dioxide storage reinforced by the anchor rod prestress has high strength and large internal space, the mine pit bottom plate impermeable layer and the overlying clay cover layer increase the airtightness, and the safe and efficient large-scale storage of critical state carbon dioxide is realized; the fly ash-based cementing material can mineralize carbon dioxide in a humid environment, increases the carbon dioxide storage amount, and improves the carbon dioxide storage strength and airtightness.

The invention discloses a method for rock discharge and transportation of a hillside open-pit mine, belongs to the technical field of hillside open-pit mine mining, and solves the problems of long rock discharge and transportation distance, low rock discharge operation efficiency and high production cost in the hillside open-pit mine step mining process. Transportation channels used in the method comprise an open-pit mining step, a working side, a dumping site, a rock dumping transportation channel, shovel loading equipment, transportation equipment, a rock muck pile and an ore muck pile. During hillside strip mine step mining, continuous linear mining is conducted firstly, and then slope expanding is conducted towards the east side and the west side; the rock discharging transportation channel is exploded and pushed to the mine and rock boundary line from the lower step, and exploded and excavated along the mine and rock boundary line to the soil discharging unloading platform where the upper step is located in the projection range direction of the lower step; and a rock discharging transportation channel is formed. According to the invention, the rock discharge transportation distance is greatly shortened, and the rock discharge operation efficiency is improved; transport equipment can be prevented from moving upwards in a heavy-load mode to discharge rocks through the connection cutting, and the production cost is reduced.

The invention relates to a method for establishing an open-air boundary shell, which comprises the following steps of: 1) drawing up an open-air mining boundary, and constructing the drawn-up open-air mining boundary into an initial open-air boundary shell consisting of a plurality of geometric patches; and 2) performing datamation processing on all geometric patches in the initial open-air boundary shell by adopting a three-dimensional positioning mode: marking stray patches according to data attributes of the geometric patches, deleting the stray patches, and establishing a new open-air boundary shell according to a data set after data of the stray patches is deleted. According to the method for establishing the open-air boundary shell provided by the invention, the open-air boundary shell is optimized by adopting a three-dimensional multi-surface unit, and three-dimensional visualization and editability of the boundary shell are realized through a method for constructing geometric patches and screening stray patches, so that the model is used for design work, and the design and mining efficiency is improved.

The utility model relates to a kind of open-pit mining blasthole axial slitting device, including cylinder, the threaded column is threaded cylinder upper end, and multiple groups of guide mechanism and multiple groups of cutting mechanism are arranged at interval in lower end, and guide mechanism and cutting mechanism are alternately arranged;The guide mechanism is arranged on the outer surface of cylinder;The cutting mechanism is arranged in the reserved cavity that is previously opened in cylinder interior, and the cutting mechanism can be telescopic adjustment.The utility model uses electric push rod and driving motor to control the extension and rotation of cutting wheel, can flexibly adjust cutting depth and direction according to different design and cutting demand, cutting wheel is retracted after construction, the integrity of blasthole wall can also be ensured, combined with intelligent control mode, the control precision of cutting action can be further improved, ensure the uniformity and consistency of slitting, significantly improve the flexibility, adaptability and accuracy of cutting.

The present invention discloses a method for diverting open-pit and underground mining in parallel mining intervals of an open-pit mine, comprising the steps of lateral wall expansion, inverted L-shaped trench retention, pre-buried pipelines, layout of a dual-continuous transport system, underground interval mining and backfilling, advancement of a new mining area and trench backfilling, and the like; lateral wall expansion is carried out simultaneously with open-pit mining, which not only prepares for diversion in advance but also does not affect the normal production of the open-pit mine; the inverted L-shaped trench retention provides construction space for subsequent processes while avoiding a large amount of occupation of pit bottom space and does not affect the normal soil discharge of an internal dumping yard; the pre-buried pipelines leave road space for trucks running in the mining area, avoiding the cost of vehicle detours caused by the intersection of roads and belt conveyors; the layout of the dual-continuous transport system solves the problem of coal transportation in the underground mining stage and reduces the stripping and transportation cost of the new mining area, and after improvement, it can also reduce the trench backfilling cost; underground mining and backfilling ensure both mining efficiency and mining safety; seamless switching between new and old mining areas ensures the production capacity of the mine.

The utility model relates to the technical field of blasting, in particular to a deep hole blasting device for open-cast mining, which reduces the shaking of an electric three-jaw chuck in the descending process, reduces the shaking of an explosive charge, prevents the explosive charge from colliding with the inner side wall of a deep hole when the explosive charge is put in the deep hole, and is high in safety and reliability. Comprising an electric moving trolley and an electric three-jaw chuck. A cavity is formed in the protection cylinder, the upper end and the lower end of the protection cylinder are open, the protection cylinder is installed on the electric moving vehicle through the lifting mechanism, the lifting mechanism is used for lifting the protection cylinder, the guide mechanism is installed on the electric three-jaw chuck and the protection cylinder, and the height adjusting mechanism is used for adjusting the height of the protection cylinder. The guide mechanism is used for guiding the electric three-jaw chuck, and the height adjusting mechanism is used for adjusting the height of the electric three-jaw chuck.

The utility model discloses a surface mine mining shoveling device, which relates to the field of mine mining, and comprises a main support body, one side edge of the main support body is vertically provided with a vertical side groove, the top surface of the main support body is fixedly connected with an adjusting motor, and the bottom surface of the main support body is symmetrically clamped with driving wheel bodies; a movable side block is in butt joint with one side edge of the main supporting body, a vertical connecting rod is perpendicularly and downwards welded to the bottom face of the movable side block, a containing box body is horizontally in butt joint with one side edge of the vertical connecting rod, a scraping inclined rod is horizontally and fixedly welded to one end of the containing box body, and a turnover motor is fixedly arranged on one side edge of the containing box body. Bottom clamping holes are symmetrically formed in the bottom face of the main supporting body, the top ends of the bottom clamping holes are fixedly connected with steering motors, an integrated wireless remote control type control structure is adopted so that the device can be used more efficiently and safely, and a turnover containing box body structure is combined so that the device can be more rapidly shoveled and loaded.

The invention discloses an iron ore caving stoping method, relates to the technical field of underground iron ore mining, and aims to solve the problem of dust pollution in caving mining. According to the method, dust control equipment is prepared through a preparation mining project, a monitoring system is linked, rock mass is pre-wetted before blasting, and a low-dust explosive is adopted to inhibit a dust source; during blasting, the operation space is closed, micro-negative pressure is formed, dust is condensed through superfine water mist after blasting, and negative pressure adsorption and purification are conducted; and the dust concentration is dynamically regulated and controlled in the shoveling and ore drawing stages, and the collected dust is subjected to resource recycling along with ore. According to the method, dust control over the whole recovery process is achieved, the dust concentration is stably smaller than or equal to 10 mg / m, the respirable dust removal rate is larger than or equal to 95%, operation is easy and convenient, the mining efficiency is not reduced, safety and economical efficiency are both considered, and the method is suitable for various caving recovery iron ore beds.