149 results about "Haulage" patented technology

The internal geometry of a haulage vehicle is identified. A material transfer operation is controlled to transfer material from a material transfer vehicle to the haulage vehicle based on the internal geometry of the haulage vehicle.

The invention relates to a rack rail trapped rail vehicle, a driving unit and a swing frame assembly, and belongs to the technical field of rack rail trapped rail vehicles. The swing frame assembly runs on the rack rail and comprises a fixed seat and a swing frame pivoted with the fixed seat through a hinge shaft; two rollers in rolling contact with the top surface of the special-shaped rail on the corresponding side are arranged on one side of the swing frame at intervals, and two brake assemblies are arranged on the other side of the swing frame at intervals; each brake assembly comprises a first brake block, a second brake block and a double-acting oil cylinder, the double-acting oil cylinders drive the two brake blocks to be far away from or close to each other to achieve separation or abutting connection with the peripheral faces of the corresponding idler wheels and the lower surface of the special-shaped rail top plate, and braking and braking releasing are completed. The driving unit comprises a mounting frame and the swing frame assemblies arranged on the two sides of the bottom of the mounting frame. The rack rail clamping vehicle comprises a driving assembly, and the driving unit is installed on a driving frame of the driving assembly. According to the scheme, the swing frame swings in a self-adaptive mode to adapt to track fluctuation, a double-brake structure of the double brake blocks is combined, and the running stability and safety of the rack rail trapped rail vehicle are effectively improved.

The invention relates to a micro-seismic monitoring sensor arrangement method suitable for hydraulic fracturing of a coal seam roof, and belongs to the technical field of coal mining. The micro-seismic monitoring sensor arrangement method specifically comprises the following steps: S1, drilling a long hole in a roof of an auxiliary haulage roadway from one side of the auxiliary haulage roadway to a rubber belt haulage roadway, short drill holes are drilled in the rock wall between the auxiliary haulage roadway and the rubber belt haulage roadway in the direction perpendicular to the auxiliary haulage roadway, and sensors are arranged at the bottoms of the holes; s2, drilling long drill holes in the rock wall between the auxiliary haulage roadway and the rubber belt haulage roadway in the next linked roadway, drilling short drill holes perpendicular to the auxiliary haulage roadway in the rock wall between the auxiliary haulage roadway and the rubber belt haulage roadway in the direction perpendicular to the advancing direction of the working face, and arranging sensors at the bottoms of the holes; and S3, advancing along with the roadway, and repeating the steps S1 to S2. According to the invention, effective capture of a roof micro-fracture signal source in hydraulic fracturing of a coal seam is realized, and the positioning precision of a micro-seismic source is improved.

The invention discloses an extra-thick coal seam narrow coal pillar double-roadway tunneling and entry retaining stability control method. The method comprises the following steps that S1, the roadway position of a first mining working face is determined; tunneling is conducted from the two sides respectively, a first mining working face air return gate way is excavated on one side in a single-roadway tunneling mode, and an asymmetric first mining working face haulage gate way and a first mining working face air inlet gate way are excavated on the other side in a narrow coal pillar retaining double-roadway tunneling mode at the same time; s2, tunneling of a gate way in the first mining working face; s3, in the stoping process of the first mining working face, top cutting pressure relief is conducted on a top plate on an advanced working face of a haulage roadway of the first mining working face, and grouting reinforcement is conducted on a coal pillar plate and a slope transition section coal body on a lagging working face of an air inlet roadway of the first mining working face; and S4, tunneling and stoping of the continuous working face. The lateral confining pressure of the narrow coal pillar is improved through asymmetric arrangement of the two roadways, a structure with the weak upper portion and the strong lower portion is formed to transfer a preferential deformation position to adapt to top plate movement, the coal pillar anchoring environment is optimized, and ultra-thick coal seam narrow coal pillar double-roadway tunneling and entry retaining stable control is achieved.

The invention discloses a novel pillar-free shallow hole shrinkage mining method with stud recovery, which comprises the following steps of: stoping ore bodies from top to bottom, and stoping a to-be-mined room (9.1) and a to-be-mined stud (8.1) of a next middle section after stoping of the previous middle section of ore body is finished; a stoping stud (8.2) is communicated with an outside-vein pedestrian ventilation filling raise (6) arranged on a footwall surrounding rock (16) of an ore body through a stud connection way (5), the lower end of the outside-vein pedestrian ventilation filling raise (6) is communicated with the top of a middle section stud ore removal roadway (10), and the top end of the outside-vein pedestrian ventilation filling raise (6) is communicated with an upper middle section stud ore removal roadway (3). And the right end of the upper middle section column ore removal roadway (3) is communicated with the upper middle section haulage roadway (2). According to the method, the problems of large intermediate pillar ore loss and difficulty in recovery in a traditional shallow hole shrinkage method are solved, the resource recovery rate is increased to 88% or above, the compressive strength of the filled artificial intermediate pillar is superior to that of a primary pillar, and the stope stability is remarkably improved.

The invention belongs to the technical field of coal mine transportation assistance, and aims to solve the problems of long time, high cost and high safety risk of a test method based on an actual environment. The DT-based self-adaptive updating method for the intelligent chassis model of the unmanned mine comprises the following steps: acquiring environmental data around a vehicle, and constructing a three-dimensional environmental map of an underground coal mine haulage roadway based on the environmental data; obtaining vehicle state data, and constructing a whole vehicle mechanism model based on the vehicle state data; building a digital twinborn model based on the three-dimensional environment map and the whole vehicle mechanism model, and carrying out joint simulation; and improving the operation control strategy of the vehicle physical entity based on the simulation result. According to the method, an unmanned mine intelligent chassis test simulation platform is constructed based on a digital twin technology, and the effectiveness of an unmanned algorithm and the reliability of drive-by-wire chassis structure design and high response are efficiently and accurately verified through the method.

The invention provides a mining method for a medium-thickness ore body, which relates to the technical field of mining methods, and comprises the following modular processes: precise division of three-dimensional ore blocks: based on three-dimensional modeling data of the ore body, arranging segmented haulage roadways along the trend at an interval of 8-12m, dividing stoping units according to the height of 4-8m in the vertical direction, adopting a horizontal staggered distance of 5-10m for adjacent segments, and adopting a horizontal staggered distance of 5-10m for each segment; a stepped stope face is formed; a stone clamping layer in an ore body is reserved during stoping, the resource utilization efficiency is improved, the ore loss is remarkably reduced through a dynamic ore pillar reserving and local caving collaborative process, meanwhile, surrounding rock mixing is reduced through a presplitting blasting technology, the high-grade ore mining purity is improved, the scene adaptability is enhanced, and the mining efficiency is improved. The limitation of a traditional process on ore rock stability and an ore body form is broken through, medium-stability ore rocks and inclined, multilayer and irregular medium-thickness ore bodies can be efficiently mined, and the application range of mining of non-metal ores is expanded.

The invention belongs to the technical field of tunnel construction, and particularly relates to a tunnel construction ventilation intelligent regulation and control method based on electrical automation. Distributed sensor arrays are deployed on a tunnel driving working face, a haulage roadway and a fan station through a multi-source heterogeneous sensor network, ventilation loads, environmental parameters, equipment states and construction event signals are collected in real time, and real-time and accurate original data support is provided for the system; a three-dimensional fluid mechanics-particulate matter diffusion coupling simulation model of a tunnel ventilation system is constructed, then a digital twin is used as a virtual training environment, an optimization instruction is converted into an electrical control signal, and a closed-loop PID-fuzzy coincidence controller dynamically compensates execution delay, controls operation of a fan and an air valve, and finally performs dynamic simulation on the tunnel ventilation system. And an execution result is fed back to the digital twin body for model calibration, so that finer and more efficient ventilation control is realized, the use problem in a high-altitude and alpine region environment is solved, the continuous effectiveness of ventilation regulation and control is effectively guaranteed, and the overall performance is improved.

The invention relates to the field of coal mine tunnel design, in particular to a method for cooperatively optimizing the width of a section coal pillar through undercut pressure relief and bottom plate filling. Comprising the steps of determining shear stress distribution in a first mining working face section coal pillar lower bottom plate; determining previous collapse positions of the basic roof; stoping and constructing a bottom cutting drilling hole in a maximum shear stress area in a lower bottom plate of the section coal pillar from the haulage roadway; lagging undercut pressure relief work is conducted, and bottom plate filling drilling is conducted from the track roadway to the position below the undercut pressure relief position at intervals; and grouting is conducted on the bottom plate rock stratum through the filling drill holes. According to the method, the bottom cutting drilling is constructed in the maximum shear stress area, so that the concentration of the shear stress of the bottom plate at the lower part of the section coal pillar is effectively reduced, and the stress of the section coal pillar is reduced. And furthermore, rock blocks at the bottom plate pressure relief position are upwards supported through bottom plate separation layer grouting filling at the lower part of the bottom cutting pressure relief position to prop against a cantilever structure formed by caving of the bottom plate, so that the overlying rock stress borne by the section coal pillar is shared, and the reserved width of the section coal pillar can be reduced.

The utility model relates to equipment for monitoring migration of overlying strata. The equipment comprises a drilling machine, an optical fiber, a grouting pipe, a plugging structure, a grouting pump, a signal conditioning circuit, a data acquisition box and an upper computer, an M-row and N-column horizontal drilling matrix is dug at the intersection of the haulage roadway and the coal seam; one optical fiber is arranged in each drill hole, and the length of the drill hole is not smaller than the preset working face advancing length; the grouting pipe comprises an upper pipe and a lower pipe, the lower pipe of the grouting pipe is connected with the grouting pump, the lower pipe serves as a grout inlet pipe and is used for conveying high-pressure grout, and the tail end of the lower pipe is connected with a grouting nozzle; the upper pipe serves as a slurry return pipe and is used for slurry return and exhaust; a plugging structure is arranged on the grouting pipe; the grouting opening is blocked, and a reinforced concrete reinforcing covering layer is arranged; and the output ends of all the optical fibers are connected with a data acquisition box through a signal conditioning circuit. Overlying strata migration monitoring is carried out based on horizontally distributed optical fibers, and overall migration of a goaf fissure zone and a bent sinking zone in the advancing direction of a working face can be monitored in real time.

Methods and systems for mining, for example a mining operation including: a surface mine site including a processing site situated remotely from a blast site within the mine site and coupled by a network of roads, wherein a first proportion of the roads are sealed and a second proportion of the roads have a maximum width in the range of 3 to 12 metres; a fleet of autonomous material handling units located at the surface mine site, each autonomous material handling unit including a wireless transceiver for coupling to a communications network. The autonomous material handling units include a plurality of small capacity haulage vehicles, each having a maximum payload capacity of 80 tonnes or less. The autonomous material handling units are configured to be controlled by a control centre via the communications network.

The utility model discloses a cleaning device for tires of a transport vehicle in a mine, which relates to the technical field of cleaning devices and is technically characterized by comprising a steel plate vehicle carrying platform, a plurality of grooves are arranged at one end of the steel plate vehicle carrying platform, and a plurality of transverse pipes are fixedly mounted on the steel plate vehicle carrying platform and positioned at the grooves. A plurality of first spray heads are fixedly mounted on each transverse pipe and located in the corresponding groove, the transverse pipes communicate with one another through a first communicating pipe, a first water pump is fixedly mounted on one side of the steel plate vehicle carrying table, and the water outlet end of the first water pump communicates with the first communicating pipe; the number of the rotating cleaning assemblies is four, the two ends, in the width direction, of the steel plate vehicle carrying table are each provided with a pair of rotating cleaning assemblies, a transmission part is arranged between the two rotating cleaning assemblies located on the same side of the steel plate vehicle carrying table, and a motor is installed on one rotating cleaning assembly located on the same side of the steel plate vehicle carrying table. The motor is fixedly installed on the steel plate vehicle carrying table, and minerals on tires can be removed more comprehensively.

The present application relates to a kind of automatic tow cable system of coal mining machine, the space in cable trough is divided into three layers by layered board assembly, the lower part of tow cable trolley and bundle cage tow rope device is located in middle layer and can only reciprocate along the length direction of cable trough, bundle cage tow rope device is fixed relative to coal mining machine, steel wire rope is threaded along the length direction of cable trough, one end of steel wire rope is wound around the fixed pulley at the head of scraper conveyor, changes direction and then connected with bundle cage tow rope device, the other end is wound around the fixed pulley at the tail, then wound around the movable pulley of tow cable trolley, changes direction again, then returns to the tail and is fixed, cable clamp plate group is connected on coal mining machine at one end, is fixed at the head at the other end, middle part is wound around the roller of tow cable trolley and passes through bundle cage along the length direction of cable trough, the relative position of head and tail can be interchanged.The present application does not need external input power, with guide, upper layer cable clamp plate group will not fall, steel wire rope will not be thrown out, and safety is good.

The application discloses a heavy truck technical field and relates to a multi-section multi-layer carriage type highway electric carrying train, which comprises a vehicle head, a plurality of installation rods with the same structure, a plurality of carriages with the same structure, hub wheels arranged on the carriages, hydraulic telescopic rods arranged at the bottom of the carriages, supporting legs arranged at the bottom of the piston rods of the hydraulic telescopic rods, connecting female parts arranged at the left ends of the carriages, connecting male parts arranged at the right ends of the carriages and the installation rods, and a connection between the installation rods. The heavy truck has at least two carriages, the multi-section carriages can be folded and stored on the first carriage under the condition of no loading, the area occupied by the heavy truck is reduced, and the heavy truck is convenient to park; when the heavy truck is loaded, the multi-section carriages are sequentially connected through the connecting female parts and the connecting male parts, the transportation capacity of the heavy truck is improved, and the problem that the heavy truck cannot meet the increasing demand for large piece transportation is solved.

Provided in the present invention are a chain tensioning device and method for a scraper conveyor dual-drive system. The chain tensioning device comprises a dual-drive head and a dual-drive tail, wherein the dual-drive head comprises a head frame, a first chain-hauled shearer driving portion, a first scraper conveyor driving portion, a first shearer driving portion coupling plate, an L-shaped coupling plate, and a first telescopic oil cylinder; and the dual-drive tail comprises a tail frame, a fixing recess, a second chain-hauled shearer driving portion, a second scraper conveyor driving portion, and a second telescopic oil cylinder. By integrating a dual-drive structure on the tail and the head, the chain-hauled shearer driving portion and the scraper conveyor driving portion are rationally arranged, thereby achieving separate tensioning adjustments of a haulage chain of a chain-hauled shearer and a scraper chain of a scraper conveyor. Moreover, the chain tensioning device for a scraper conveyor dual-drive system of the present invention is simple and convenient to operate, is flexible and reliable, greatly reduces the labor intensity of workers, reduces the workload of workers, and avoids a long downtime due to frequent shutdowns and chain cutting, thereby improving the production efficiency.

The utility model discloses a belt conveyor electric control device based on a mine red system, which is applied to the technical field of mine belt conveyors and comprises an upper computer, a PLC (Programmable Logic Controller) control cabinet and bottom layer sensing equipment, the PLC control cabinet comprises a main belt well control cabinet, a main conveying part I control cabinet and a main conveying part II control cabinet; the bottom layer sensing equipment comprises a motor, a belt camera, a smoke sensor, a coal piling sensor and a deviation sensor; the bottom layer sensing device utilizes a 5G base station to transmit collected data to the upper computer in real time through the PLC control cabinet, and the upper computer issues a control instruction through the PLC control cabinet according to the collected data. According to the utility model, ground centralized control and real-time automatic monitoring of the underground belt conveyor are realized, stable and reliable transmission based on a unified communication protocol among equipment is also realized, the safety and reliability of the belt conveyor are effectively enhanced, the overall automatic management level of the mine belt conveyor is improved, and the purposes of staff reduction and efficiency improvement are achieved.

The utility model relates to the technical field of dust falling devices, and provides a spraying dust falling device for a coal mine belt conveyor, the spraying dust falling device comprises a cover body, a water spraying pipe, a communicating pipe and a water conveying pipe, the cover body comprises a mounting shell and two supporting blocks, the two supporting blocks are oppositely arranged on a belt conveyor rack, and each supporting block is provided with a containing groove and a fixing mechanism; the lower ends of the two sides of the mounting shell are slidably mounted in the containing grooves correspondingly, the multiple water spraying pipes are arranged on the inner wall of the mounting shell in parallel and located above the belt conveyor, the multiple atomizing nozzles are arranged on the water spraying pipes, and the communicating pipes are arranged between the water spraying pipes and the water conveying pipe. According to the device, a spraying dust falling mode is adopted, dust particles are captured through water mist, coal dust of the main haulage roadway is reduced, the working environment is improved, the mounting shell and the supporting block are conveniently and rapidly disassembled and assembled through the arrangement of the fixing mechanism, and through the arrangement of the first rapid connector and the second rapid connector, the working efficiency is improved. And the communicating pipe and the water conveying pipe can be quickly disassembled and assembled, so that the operation efficiency is improved.

The invention discloses a safe mining method for a water-rich gently-inclined coal seam. The safe mining method comprises the steps of open-off cut strip preparation, local drainage system construction, open-off cut strip mining, raw coal transverse mining, continuous drainage system construction, earth retaining dam construction, inner drainage follow-up, mining circulation and the like. The coal bodies and the rolling earth retaining dams are adopted to alternately support the inner refuse dump, and the stability of the slope of the inner refuse dump is guaranteed; long-term three-side precipitation of the coal body, especially bedding precipitation in the advancing direction, is beneficial to precipitation and quality improvement of raw coal; the coal seam is mined from the middle to the two sides in the variable propelling direction in a concentrated mode, the inner discharge distance of stripped objects along the end slopes on the two sides is shortened, and meanwhile the inner discharge distance of stripped objects in the middle is shortened through the soil discharging bridge extending rapidly; the overall advancing direction and step division of the strip mine are not changed, the construction technology is simple, used equipment is original mine equipment, and the cost is controllable.

The invention provides an underground trackless transport vehicle with an electromagnetic retarding system, and belongs to the technical field of mining transport vehicles. According to the underground trackless transport vehicle, vehicle operation parameters are collected in real time to establish a dynamic state matrix, speed and acceleration change characteristics are extracted by using a sliding time window method, risk working condition points are identified and are subjected to space-time alignment with a roadway position, and the risk working condition points are determined; a dominant working condition and a disturbance working condition are separated through singular value decomposition, a Pareto optimization model is adopted to solve a braking torque reference value, then a Stackelberg game model is utilized to carry out two-layer hierarchical collaborative optimization on an electromagnetic retarding device and a hydraulic braking system, and control parameters are corrected in real time through a dynamic compensation mechanism. The technical problem that an underground trackless transport vehicle is difficult to realize collaborative optimization control of an electromagnetic retarding device and a hydraulic braking system in a complex and changeable roadway slope environment is solved.

The invention discloses a hauling carrier roller device of a belt conveyor inspection robot, and belongs to the technical field of belt conveyor inspection robots, the hauling carrier roller device comprises a consignment walking supporting guide mechanism, the consignment walking supporting guide mechanism is arranged on a track and is hinged to the second end of a consignment connecting assembly; the consignment connecting assembly is used for guaranteeing that the consignment walking supporting and guiding mechanism synchronously moves along a track along with the belt conveyor inspection robot and does not collide with the belt conveyor inspection robot. The invention aims to solve the problem of replacement and transportation of new and old carrier rollers when the carrier rollers of the long-distance and ultra-long-distance coal conveying belt conveyor in an underground coal mine or a trestle are damaged, meanwhile, the function of a belt inspection robot is widened, and overflow value is provided for terminal customers.

The method may comprise determining a geometry of a stockpile based on the haulage data, engineering drawings and material characteristics; predicting, by the one or more processors using an algorithm implementing a cellular automaton, material movements within the stockpile, based on the geometry of the stockpile, physical parameters of the material movements and emergent rules for the material movements; predicting material movements exiting the stockpile, based on the material movements within the stockpile; predicting, using a concentrator transit model, the material movements across a comminution process in a concentrator, based on material movements exiting the stockpile; and optimizing mining operations based on the knowledge of the material movements through the comminution process. A determination of the material movements may include a determination of the material characteristics of the material.

The invention discloses a monorail crane based on a coal mine main transportation system, and relates to the technical field of coal mine safety, the monorail crane comprises a rail body, the bottom of the rail body is provided with a transportation vehicle body, the transportation vehicle body is provided with a protection mechanism, the protection mechanism comprises a U-shaped plate, the two sides of the inner wall of the U-shaped plate are fixedly connected with L-shaped plates, and each L-shaped plate is fixedly connected with a guide plate; through the arrangement of the protection mechanism, the trigger block is pushed through resistance generated by protruding impurities, then under the cooperation of a rotating wheel, a pull rope and a guide roller, the impact plate is pulled to slide and accumulate force, finally the protruding impurities are smashed, and the removal action is automatically triggered through the physical height of impurity accumulation; therefore, interference of protruding impurities at the connecting position on advancing of the conveying vehicle body is greatly reduced, safety of the track body and the conveying vehicle body in use is improved, and risks of deformation and even breakage of the connecting position of the track body are reduced.

The present invention discloses a safety ventilation system for auxiliary haulage main roadway based on progressive mining, which relates to the technical field of mine ventilation. It includes a main pipe, an air guiding pipe, a filtering component, a cleaning mechanism, an atomizing mechanism and an adjusting mechanism. Among them, a plurality of air outlets are provided on the main pipe, and an atomizing mechanism and an adjusting mechanism are arranged on the air outlets. A plurality of air guiding openings are provided on the air guiding pipe, and a filtering component and a cleaning mechanism are arranged on the air guiding openings. The output ends of the air outlets and the air guiding openings are arc-shaped. A plurality of arc-shaped baffles are arranged on both the main pipe and the air guiding pipe, and the arc-shaped baffles can seal the air outlets and the air guiding openings. The filtering component includes a filtering seat, the filtering seat is fixedly arranged at the air outlet, and a first support shaft is fixedly arranged on the air outlet; effectively preventing the pulverized coal in the air of the roadway from blocking the ventilation equipment, and axial flow fans are arranged at both the air outlet and the air guiding opening, effectively improving the ventilation effect in the deep part of the roadway.

The invention relates to a combined filling mining method for a steeply inclined thin vein, which comprises the following steps: S1, arranging a stope: arranging the stope along the trend of an ore body, dividing the stope into a plurality of middle sections from top to bottom along the vertical direction of the vein, dividing ore blocks through a pedestrian ventilation raise, and reserving bottom columns at the bottoms of the ore blocks; s2, mining preparation cutting is conducted, specifically, an in-vein haulage roadway is tunneled in the direction of an ore body, and then a pedestrian ventilation raise is tunneled upwards through the in-vein haulage roadway to communicate an upper middle section air return roadway with the middle section in-vein haulage roadway; excavating a undercut roadway into the ore block from the pedestrian ventilation raises on the two sides along the upper boundary of the bottom column, and upwards excavating a one-way draw shaft as a draw shaft on one side, close to the footwall of the ore body, of the middle-section in-vein haulage roadway at the central position in the length direction of the ore block; s3, stoping, ore removal and filling are conducted, specifically, rock drilling and manual charging are conducted on the first layer from the undercut roadway, and the second layer is circularly stoped; and then filling in a filling step-by-step manner. The mining efficiency can be improved, and the labor intensity of workers can be relieved.

The utility model discloses an automatic dust falling device for a haulage roadway, which relates to the technical field of roadway dust falling and comprises a mounting plate, a movement mechanism is arranged on the front side of the mounting plate, a vertical plate is arranged on the front side of the top end of the mounting plate, the movement mechanism comprises a power box, and a filter is arranged at the bottom of the power box. And a pipeline is arranged on one side of the filter. According to the automatic dust falling device for the haulage roadway, the atomization distance, road surface accumulated water, sight influence and other conditions after spraying is started can be observed in real time through a camera, liquid is released through an atomization spray head, dust falling work is automatically conducted, a motor is adopted and drives a pushing plate to rotate, the pushing plate can make contact with a fixing plate, and the dust falling effect is improved. And the fixing plate and the atomization spray head are moved, so that the atomization spray head moves to change the position, dust falling can be carried out on other positions, the dust falling range is wider, and the dust falling effect is improved.

The invention discloses an underground coal transport vehicle, and belongs to the technical field of coal transport devices, the underground coal transport vehicle comprises a vehicle frame main body and a vehicle head suspension plate, the outer side of the top end of the vehicle head suspension plate is provided with a guardrail assembly, and the top end of the vehicle head suspension plate is provided with a cockpit side protection assembly; a storage assembly and an anti-seismic supporting assembly are arranged at the position, located in the cab side protection assembly, of the top of the vehicle head suspension plate, and a throwing hole is formed in the top of the vehicle head suspension plate. Through cooperative arrangement of the trigger trapezoidal columns and the limiting clamping tongues, when the cockpit top plate is impacted by collapse objects, serious deformation of the cockpit top plate can be prevented through the anti-seismic buffer springs, meanwhile, resonance caused by impact of the collapse objects is weakened, and when the collapse objects cause deformation of the cockpit top plate, the limiting clamping tongues can be pressed downwards through the trigger trapezoidal columns, so that the collapse objects are prevented from collapsing. The seat bearing platform is put into the escape bin formed in the platform enclosure, and a driver can obtain escape materials in the material storage cabinet by opening the cabinet body closing plate and escape in time by opening the escape protection plate.

This invention discloses a method for improving the metrological accuracy of a total mass detection device for heavy haulage vehicles, belonging to the field of calibration and standardization technology for detection devices. First, the axle load data of the heavy haulage vehicle under different test conditions is used as the dataset for training a deep fitting neural network model, and this dataset is cleaned, augmented, and partitioned. Then, a deep fitting neural network model is constructed, and the model is thoroughly trained on the sample data in the dataset, with training parameters adjusted in real time based on the training progress. Finally, by simply inputting the load data of each axle of the heavy haulage vehicle under test, collected in real time, into the trained deep fitting neural network model, the total mass of the heavy haulage vehicle under test can be predicted. Using this method, identification errors can be effectively reduced, dependence on the identification accuracy of the axle load detection device can be decreased, and the identification accuracy under different vehicle speeds and adverse road conditions can be improved.

The invention discloses a strip mine block section stripping transportation route optimization method. The method comprises the following steps: acquiring basic data of a strip mine transportation system; based on the basic data, establishing a block stripping transportation route optimization model which takes the execution state of a truck on each loading and unloading path as a decision variable and takes maximization of the total transportation volume of the system as a target; a mathematical optimization solver is utilized to solve the block stripping transportation route optimization model, and a route distribution scheme of each truck in each transportation trip is generated; and commanding a truck to carry out transportation operation along the optimal path according to the path distribution scheme. According to the method, the detailed driving path and multiple transportation arrangements of each truck in the specific working time can be clearly generated, the performability of the path scheme and the guidance value for actual production are remarkably improved, and the overall efficiency of the strip mine transportation system is effectively improved.

The invention discloses a filling mining method for non-explosive continuous stoping of a gently inclined parallel medium-thickness ore body group. The method comprises the following steps that S1, an ore body group is divided into a plurality of middle sections, sections are divided in the middle sections, and the sections are divided into a plurality of layers; a strip mining mode is adopted in the layer; arranging a middle-section haulage roadway, a mining area slope ramp and a transverse drift roadway which are communicated with one another; s2, excavation and arrangement of accurate mining engineering are conducted, specifically, main accurate mining engineering comprises a transverse drift, a transportation gate road, an air return gate road, a section air return uphill, an air return transverse drift and a section transfer belt roadway; s3, stoping and filling are carried out; the middle section is subjected to overall upward stoping, the layers are subjected to stoping from bottom to top, cemented filling is conducted after stoping of each strip is completed, and after filling of all the strips in the inclined layer is completed, stoping of the next layer continues to be conducted; according to the method, a gently inclined parallel medium-thickness ore body group is considered in a unified manner and is divided into a middle section and a section, an upper layer of ore and a lower layer of ore are linked together through mining and cutting projects such as a transverse drift roadway, a crossheading and an uphill, and simultaneous mining of multiple layers of ore on the whole is achieved; and meanwhile, the mining preparation system of each layer of ore is relatively independent, so that respective mining and respective transportation of the ore body are realized.

An in-cab device in a cab of a vehicle such as a class 1 or class 2 heavy goods vehicle or other vehicles receives an image. The image has been captured by a camera in the vehicle, the image depicting