86results about "Open-pit mining" patented technology

The invention discloses a dual-mode control switching method for unattended reconstruction of a rotary drilling rig, and particularly relates to the technical field of mechanical equipment mode switching, and the method specifically comprises the steps of S1, switching request triggering and instruction freezing, S2, full-state snapshot generation and synchronization, S3, three-level progressive arbitration decision, and S4, dual-factor verification and switching execution. And S5, network fluctuation fault tolerance. According to the invention, through overall planning of the vehicle-mounted controller, after a switching request is received, an instruction is frozen, full-state snapshots including sensor data, operation links, equipment health and environment data are synchronized, and switching is completed through three-level arbitration including safety state judgment, authority network verification and target end confirmation and then double-factor recheck. Safe seamless switching between a remote mode and a local mode can be achieved, the situations of instruction conflicts and information faults are avoided, the operation efficiency is improved, fault-tolerant processing is carried out on scenes such as network fluctuation and emergency takeover, and the reliability and safety of unattended operation are further improved.

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 utility model relates to a metal surface mine large dip angle belt conveyor transportation system which comprises a coarse crushing station system, a first transfer station, a second transfer station and a third transfer station. The first transfer station is connected with the second transfer station through a belt conveyor, and the second transfer station is connected with the third transfer station through a large-dip-angle belt conveyor; the inclination angle of the large-inclination-angle belt conveyor is larger than 15 degrees and smaller than 35 degrees. Compared with the prior art, the large-dip-angle belt conveyor has the advantages that by applying the large-dip-angle belt conveyor technology, the capital construction investment of a mine can be greatly reduced; the capital construction time is shortened, the metal surface mine deep mining transportation distance is shortened, and the mine transportation cost is saved; and meanwhile, the routing length is shortened through the routing arrangement of the large-dip-angle belt conveyor, side slopes under unfavorable geological conditions are effectively avoided, and the safety and reliability of the system are improved.

The invention relates to the technical field of mining machines, in particular to a shoveling and transporting device and a mining machine. The shoveling and conveying device comprises a shoveling plate part, a belt conveyor and a belt tensioning mechanism, the shoveling plate part is movably installed on the frame, and the shoveling plate part is provided with a first position and a second position; when the shovel plate part is located at the first position, the bottom of the shovel plate part is contacted with the working surface; when the shovel plate part is located at the second position, the bottom of the shovel plate part is located above the working face and leaves the working face; the belt conveyor is installed on the frame, and the shovel plate part is installed at the first end of the belt conveyor. The belt tensioning mechanism is installed on the frame body and used for adjusting the corresponding tensioning degrees of the two sides of a belt located on the belt conveyor. According to the shoveling and conveying device, due to the fact that the belt tensioning mechanism capable of adjusting the corresponding tensioning degrees of the two sides of the belt is arranged, the shoveling and conveying device has the function of tensioning and deviation adjusting of the belt.

The application discloses an open-air drilling machine and a control system and method thereof, and belongs to the technical field of engineering machinery. The open-air drilling machine control system comprises a rock drill, a drill rod and a connecting sleeve. The open-air drilling machine control system comprises a hole depth sensor for collecting state information of a current hole; an execution device for realizing disconnection or connection between the drill rod and the drill rod according to an input electric signal; and a control device for sending a control signal to the execution device according to a control signal sent by the hole depth sensor to realize control of the execution device. The open-air drilling machine control system is an important part of realizing digital mines and unmanned mines. The open-air drilling machine control system can be used for subsequent automatic positioning and automatic walking, and can realize real unmanned operation. Moreover, the open-air drilling machine control system can be used for program setting, unified and optimized operation process and standardized operation.

This utility model discloses a pressure-adjustable sand dredging pipe, including a pipeline structure, a sand suction head connected to one end of the pipeline structure, and a pressure pump connected to the other end of the pipeline structure. The pipeline structure includes two rigid fixed pipe sections, a wear-resistant extraction pipe section, and a three-way ball valve connecting the rigid fixed pipe section and the extraction pipe section. The two outlets of the three-way ball valve are respectively connected to the two rigid fixed pipe sections, and the inlet of the three-way ball valve is connected to the extraction pipe section. Both the extraction pipe section and the rigid fixed pipe section are equipped with connecting flanges. This utility model achieves good pressure control by installing a three-way ball valve on the sand dredging pipeline.

The invention belongs to the technical field of mining equipment, and particularly relates to a blasting drilling device for mining. The chip removal type drill bit mechanism is mounted outside the mechanical arm and is used for removing chips in the drilled hole; the auxiliary cleaning mechanism is mounted outside the chip cleaning type drill bit mechanism and is used for cleaning chips between the chip cleaning type drill bit mechanism and the inner wall of the hole; and the driving mechanism is installed outside the mechanical arm and used for adjusting the pressure intensity of the scrap cleaning type drill bit mechanism and the auxiliary cleaning mechanism. Through the collaborative design of the chip removal type drill bit mechanism, the mechanical arm and the vehicle carrier, the chip removal process can be directly started after drilling is completed, a piston is driven by a hydraulic cylinder to reciprocate in a sealing sleeve, and chips at the bottom of a hole can be efficiently sucked in cooperation with an inclined pressure channel formed by a conical barrel and a notch; the four drill bits achieve opening and closing actions, chips clamped in gaps of the drill bits are synchronously cleaned, and the problems that in mining, the chip cleaning cost is high, and the efficiency is low are effectively solved.

The application discloses a portable energy-saving mining and drilling equipment, relates to the technical field of energy-saving mining machinery and equipment, and is a drilling machine with portable components and land transportation features, which comprises a main frame and moving wheels, the moving wheels are rotatably installed at the bottom of the main frame, the portable device comprises a threaded adjusting rod, an adjusting work piece, an adjusting block, an adjusting sleeve rod and a micro motor, the threaded adjusting rod is rotatably installed on the surface of the main frame, the adjusting work piece is slidably installed on the surface of the main frame, and the adjusting block is fixedly installed on the surface of the adjusting work piece; the adjusting block is moved to drive the adjusting work piece to move, the adjusting work piece is moved to drive the adjusting sleeve rod to move, the adjusting sleeve rod is moved to move towards the middle to realize the portable storage effect of the equipment, the use flexibility of the equipment is improved, and the pain points of the traditional mining and drilling equipment, such as large size, difficult transfer and complicated storage, are solved.

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.

On the basis of a specification and a wear state of each tire mounted on a vehicle, a recommended internal pressure for the tire is calculated with respect to each tire mounting position of the vehicle and a proposal for adjusting the internal pressure of each tire mounted on the vehicle to the recommended internal pressure is output.

This utility model discloses a protective device for unloading ore in an open-pit mine, comprising: a ore pass, an inclined slope on one side of the ore pass, and an unloading platform on one side of the inclined slope. The bottom of the unloading platform is fixedly connected to the ground. A protective mechanism is provided on the unloading platform, including: an unloading channel, side blocks on both sides of the unloading channel, an unloading baffle at the inclined slope end of each side block near the ore pass, and a vertically upward column at the inclined slope end of each side block. Anti-tipping beams are provided between the columns, and diagonal bracing is provided between each column and the corresponding side block. This utility model features an unloading channel, an unloading baffle at the bottom, and an anti-tipping beam at the top, effectively preventing ore cars from tipping into the ore pass, greatly improving unloading safety. Furthermore, it can detect the movement of the ore car using sensors and provide real-time feedback of the unloading status to a display screen via a camera, significantly improving the efficiency of unloading operations.

A management system for an unmanned vehicle includes: a traveling path generation unit, configured to generate a traveling path of an unmanned vehicle; a speed calculation unit, configured to calculate a target traveling speed of the unmanned vehicle traveling along the traveling path, based on the traveling path; and a detection unit, configured to detect a deceleration position indicating a position where the target traveling speed drops in the traveling path.

The application discloses a kind of complex geological conditions under multi-metal ore blending unit automatic division method, comprising the following steps;Step 1: collecting rock powder test data;Step 2: the rock powder test data collected is preprocessed;Step 3: based on space geometry, find out blast pile borehole boundary point by means of-shape method, form peripheral boundary polygon, and-shape method is used to approach blast pile boundary;Step 4: the blast pile borehole boundary point is expanded outward;Step 5: by means of Voronoi diagram algorithm, blast hole is divided into tessellation polygon on the level, and the range including influence area is formed;Step 6: fine ore blending unit solution division and evaluation, the inverse ratio of the square of the distance of ore block and each ore blending center is weighted, the attribution proportion of each ore block to different unit is calculated, and ore blending unit division is realized.The application realizes the whole process automation from rock powder test data acquisition processing, boundary extraction, unit division to resource quantity estimation.

The invention relates to an environment-friendly dust removal device for open pit coal mining, and belongs to the technical field of mine field dust removal. The device comprises a loading operation vehicle, an excavating bucket, an overturning execution arm, a composite filtering mechanism, a dust filtering cloth bag, a negative pressure induced draft fan, a high-pressure sprayer, a water storage tank body and a high-pressure water supply pump, the composite filtering mechanism is arranged at the top of the digging bucket and comprises a detachable mounting frame, a dust collection pipeline and a plurality of dust collection ends, and raised dust is sucked by the dust collection ends and then enters a dust filtering cloth bag through the pipeline to be filtered; the high-pressure sprayer is fixedly connected to the overturning execution arm and is matched with the high-pressure water supply pump and the water storage tank body to form a mist curtain to capture fine dust, so that double dust removal is realized; the composite filtering mechanism is matched with a self-cleaning assembly, a cleaning brush plate is driven by a hydraulic motor to reciprocate and slightly move, dust at the air inlet end of the dust collection end is cleaned, and blocking is avoided. The device is high in dust removal efficiency and good in anti-blocking effect, adapts to dynamic operation of a loading operation vehicle, can adapt to severe working conditions of an opencast coal mine, and effectively reduces dust pollution in an operation area.

The present application is a single-line lifting and conveying system and method for large-dip-angle track mine trucks in open-pit mines, belonging to the field of ore transportation, aiming to quickly, efficiently and safely transport ores. It includes a winding drum device, a steel wire rope, a track beam, a transfer transition bridge and a carrying trolley. The winding drum device rotates to wind the steel wire rope to pull the carrying trolley along the track erected from the pit to the top of the mine to realize ore transportation, and through the synchronous lifting of the mine truck and the carrying trolley, the conversion of ores between the mine truck and the carrying trolley is avoided. Through the combination of multiple such lifting and conveying systems, series, parallel and series-parallel lifting and conveying systems can be formed to meet the ore lifting and conveying of super-deep open-pit mines, super-large open-pit mines and super-deep super-large open-pit mines. Through the "ore elevator" method, the rapid, safe and efficient transportation of ores is ensured, the transportation distance is effectively shortened, the cost and carbon emissions of ore transportation are greatly reduced, and the safe, green and intelligent development of mines is realized.

A system for determining locations of blast fragments, the system comprising: a three-dimensional (3D) imaging system mounted on an excavation device and configured for viewing a portion of a pile of blast fragments and configured for capturing at least one image of the viewed portion of the pile of blast fragments; a positioning system configured for providing a location and heading of the excavation device; a processor configured to execute program instructions to perform image processing operations upon the images of the viewed portion of the pile of blast fragments, to: identify a reference location in the viewed portion of the pile of blast fragments; determine the reference location in a geographic coordinate system; identify a plurality of individual blast fragments in the viewed portion of the pile of blast fragments; and determine a distinct geographic coordinate corresponding to each of the plurality of individual blast fragments.

The utility model provides a kind of open-pit mine self-moving transfer machine, material conveying device is conveyed to the material of mining, material conveying's receiving end is arranged receiving end walking chassis, and unloading end is set unloading end walking chassis, it is simultaneously set to self-walking structure, in the continuous mining process of material, material conveying device can realize walking and follow mining equipment to move, simultaneously, receiving platform is rotatable to the receiving end of material conveying device Support, and unloading platform is rotatable to the unloading end of material conveying device Support, so that receiving end follows the form of mining equipment walking, unloading end can be kept in substantially predetermined position, and the receiving car etc. of rear end is docked, by the arrangement of walking chassis, and receiving end and unloading end are adjusted to conveying direction while realizing walking, adjust the conveying posture of material conveying device, satisfy stability requirement.The utility model further provides a kind of open-pit mining equipment.

The invention discloses a coal and electricity combined camp open-pit mine mining method capable of reducing dust pollution, which comprises the following steps: when large-scale stripping of an open-pit mine begins in spring, constructing a ventilation corridor in a dumping site in a dumping site propelling process; a multifunctional air plate is built at an inlet of the ventilation gallery; cooling pools are built at the pit bottom and on the two sides of the outlet position of the ventilation gallery respectively, and water pumping and injecting pipelines of the cooling pools extend to the earth surface through the bottom of the ventilation gallery and then are connected with a circulating pipeline of the thermal power plant; from spring of the second year, the multifunctional air plate and the water pumping and injecting pipeline arranged in the last year are dismantled, and the cooling pond is naturally buried along with advancing of the dumping site; and meanwhile, mining in the second year is started according to the mining method in the last year. The ventilation gallery can guide air flow to enter the pit bottom, transverse flowing of air at the pit bottom is accelerated, and the dust falling effect is achieved; the characteristics of dynamic mining and seasonal mining of the strip mine are fully combined, production and the final capacity of the dumping site are not affected, and the method is simple and easy to operate.

The invention relates to the technical field of rock breaking, in particular to an intelligent thermal shock-hydraulic cleavage composite rock breaking device which comprises a cleavage gun body, when the cleavage work is carried out, a cleavage hole is formed in a rock body to be cleaved in advance, and then the cleavage gun body is inserted into the cleavage hole; the thermal shock assembly is arranged on the splitting gun body, when the splitting gun body is inserted into a cracking hole, the thermal shock assembly faces the side wall of the cracking hole, and before the splitting gun body works, the thermal shock assembly conducts cold and hot alternate impact on a rock mass; the control assembly is electrically connected with the splitting gun body and the thermal shock assembly, and intelligent operation of the equipment is controlled. According to the invention, intelligent coupling of thermal shock and hydraulic splitting is adopted, thermal shock pretreatment and hydraulic splitting action are integrated continuously in time and integrally in space, the automation degree, the rock breaking efficiency and the energy utilization rate are improved, and the equipment loss is reduced.

This invention discloses a mining method for achieving a balanced stripping ratio, comprising the following steps: S1, determining the bench height: Based on rock properties, structure, drilling, and blasting methods, the final slope angle of the bench is determined. Further, based on the final slope angle, the width of the safety platform and the bench height are designed, resulting in the combined bench height H; S2, determining the bench height L based on the specifications of the stripping equipment, production safety requirements, and mining technology. Generally, the final slope can be divided into sections with 2-3 bench heights; S3, adjusting the combined bench H to be formed by combining two benches h1, thereby increasing the bench height. This invention effectively controls the amount of stripping in spatial location, enabling the mine to operate with a relatively stable stripping ratio over a longer period, ensuring sufficient secondary ore reserves, improving the efficiency of the mining machinery, reducing the number of benches from three to two, decreasing the frequency of frequent equipment adjustments, and increasing effective operating time.

The application discloses a kind of electric shovel devices of convenient replacement bucket, comprising, end head, the bottom of the end head is provided with hanging ring and press groove, and limit piece is arranged in press groove;Bucket, the bucket includes the first width board of top and the second width board of bucket back, the first installation shaft is arranged between the first width board, the second installation shaft is arranged between the second width board, the hanging ring is on the first installation shaft, and the second installation shaft is fixed in press groove by limit piece, the bucket is conveniently installed in the application, personnel is not necessary to approach bucket, and safety is improved.

The invention discloses strip mine transportation equipment based on a large dip angle, and belongs to the field of surface mine production. The strip mine transportation equipment comprises a crawler belt and a U-shaped bucket arranged on the crawler belt; the crawler belt is fixed on the ground through a support, and one end of the crawler belt is provided with a hopper for filling materials. By means of the core structure design of the crawler belt and the U-shaped bucket, the climbing capacity of the crawler belt can reach 30-45 degrees (the climbing capacity can be higher under part of special configuration), the crawler belt can stably run along the final slope angle of the strip mine by combining the arc-shaped anti-skid line crawler belt and the carbon steel U-shaped bucket in rigid connection, and the service life of the crawler belt is prolonged. The industrial pain point that traditional rubber belt conveying equipment cannot climb up at a large dip angle and cannot convey materials is thoroughly solved, the rubber belt conveying equipment can adapt to modern strip mine scenes with deep mining and steep slopes, additional slope leveling or gentle slope road laying for the adaptive equipment is not needed, and the mine site transformation cost is greatly reduced.

This invention discloses a sidewall coal mining machine, a spiral conveying system, and a control method. The spiral conveying system of the sidewall coal mining machine includes multiple cascaded propulsion arms. The middle part of each propulsion arm is configured as a receiving cavity for accommodating coal material. A spiral conveying rod is arranged and installed along the length of the receiving cavity. The spiral conveying rod includes a spiral shaft and spiral blades disposed on the spiral shaft. Spiral drive vanes are respectively disposed circumferentially near both ends of the spiral shaft. The first end of the spiral shaft is configured as a tapered pin structure, and the second end of the spiral shaft is configured as a tapered hole structure that cooperates with the tapered pin structure. The spiral conveying rods between adjacent propulsion arms are positioned and connected by inserting the tapered pin structure into the tapered hole structure, and the cascaded spiral conveying rods are driven during rotation by the end face contact of adjacent spiral drive vanes.

The present application relates to a kind of open pit anticline area inclined base dump method, comprising the following steps: dividing the end zone of stope into accelerated propulsion area, when accelerated propulsion area is forwardly propelled distance D, rough surface blasting is carried out to the exposed inclined base;End slope and inclined base meet at the intersection to start with the strike angle θ End slope pseudo-inclined dump, until with inclined base is connected, forms dump step;Stope propulsion distance is D', completes a single step dump disposal;The above steps 1~3 are recycled, after forming a single step dump step, continue to advance along the direction of inclination of inclined base and pseudo-inclined dump direction.This application does not occupy other land, forms dump in anticline area, which is convenient for discharge of stripping material, saves disposal cost, through end slope pseudo-inclined dump method, uses the support of end slope and inclined base to dump, which can improve the stability of inclined base dump, prevent coal seam slope surface from sliding.

The invention provides a mining method suitable for stoping an open pit bottom gently-inclined ore body, particularly relates to the technical field of mining of metal ore deposits from open pit to underground, and aims to overcome the technical defects in the prior art. The method is suitable for the gently inclined ore body with the open pit bottom exposed out of the ground surface and a vertical distance away from the open pit bottom, ore body stoping is achieved through the three steps of room supporting structure arrangement, stoping blasting and underground passage cooperation and ore removal filling linkage, and therefore the defects existing in the prior art are overcome.

The present application relates to the field of coal mining, discloses a kind of open pit mine dewatering well's well washing device, method and electronic equipment, device includes: control module, air compressor, packer, gas pipeline;The packer includes: first packer, second packer;The first packer is set in the well bottom of the open pit mine dewatering well, the second packer is set in the upper of the first packer, the first packer and the second packer form airtight space;The gas pipeline, one end passes through the second packer and extends into the airtight space formed by the first packer and the second packer, the other end is connected with the air compressor;The control module one end is connected with the air compressor, the other end is connected with the gas pipeline, and the gas pipeline is controlled to output gas in pulse cycle.The present application can adapt to complex special well washing situation, and also effectively improve construction efficiency and well washing effect.

The utility model discloses a plough type deviation adjusting device and mining machine relates to strip mine mining machine technical field, and the plough type deviation adjusting device includes: tailstock body and plug -in board, tailstock body is used to install in the non coal mining side opposite with coal mining side of mining machine, and the plug -in board is movably connected in the tailstock body, and the plug -in board can be extended to the working state to the ground to be in the storage state to the mining machine recovery, when the plug -in board is in the working state, the plug -in board is contacted with the ground to prevent the mining machine from deviating the moving direction, when the plug -in board is in the storage state, the plug -in board is spaced from the ground. Set up like this, can avoid the mining machine when coal mining because of the lateral force of cutting coal causes the track to run off, thereby ensuring the coal wall cutting straight, and further guaranteeing double drum strip mine mining machine normal coal mining walking.

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.

A self-propelled ground processing machine has a machine frame, which accommodates a work device for ground processing, at least one functional device different from the work device on the machine frame, a drive assembly, which provides work drive power for the work device and functional drive power for the at least one functional device, a work transmission mechanism between the drive assembly and the work device, and a functional transmission mechanism between the drive assembly and the at least one functional device. The drive assembly includes first and second engines, each of which is connected to the work device via the work transmission mechanism such that the work device can be driven to perform a prescribed ground processing only by the first engine or only by the second engine. The work transmission mechanism connects the first engine to the work device at a first transmission ratio and the second engine to the work device at a second transmission ratio different from the first transmission ratio.

A self-propelled earth working machine includes a machine frame, a working apparatus, at least one function apparatus, a drive system including first and second motors, a function transmission and a working transmission. The working transmission is configured to transmit torque between the drive system and the working apparatus. The working transmission connects the first motor and the second motor to the working apparatus for the transmission of torque such that the working apparatus may be driven to perform the earth working movement solely by the first motor or solely by the second motor or jointly by the first and second motors, wherein the working transmission connects the first motor to the working apparatus at a first transmission ratio and connects the second motor to the working apparatus at a second transmission ratio different from the first transmission ratio.