1273results about "Underground transport" patented technology

The invention discloses a tension optimization control system and method for a tensioning device of an underground coal mine belt conveyor, and relates to the technical field of tensioning device optimization control. The method comprises the steps that S1, multi-source tensioning data are collected in real time, and data preprocessing is conducted on the multi-source tensioning data; s2, predicting a coal flow load based on historical multi-source tensioning data, and taking a dynamic compensation measure for a tensioning device; s3, in combination with the multi-source tensioning data and the coal flow load prediction result, collaborative distribution is carried out on the hybrid execution mechanism, and automatic regulation and control are carried out based on the collaborative distribution result; s4, abnormity is detected in real time based on the multi-source tensioning data, and early warning is carried out; s5, performing safety risk assessment according to the real-time multi-source tensioning data, and taking adaptive regulation and control measures in combination with a safety risk assessment result and an anomaly detection result; the problem that faults are caused due to the fact that high-frequency pulsation and short-time impact of belt tension are difficult to adjust in time is solved.

A mining narrow-gauge flat crane comprises a flat car frame and a lifting arm, the lifting arm is installed on the upper portion of the flat car frame, at least two sets of wheel pairs which are arranged in a front-back spaced mode are arranged at the bottom of the flat car frame, the wheel pairs are connected to a rail of a haulage roadway in a sliding mode, and telescopic supporting leg structures are arranged on the front side and the rear side of the flat car frame. The middle of the left side and the middle of the right side of the flat car frame are each provided with a propping column, the two propping columns are arranged in a bilateral symmetry mode, the flat car frame is further provided with a hydraulic pump station and a console, the underground power source provides power for a motor of the hydraulic pump station, and the hydraulic pump station provides hydraulic power for the lifting arm, the telescopic supporting leg structure and the propping columns. And the console controls the lifting arm, the telescopic supporting leg structure and the propping column to act respectively. The lifting device is flexible in lifting position, meets the requirement of lifting at various positions, has a car stabilizing function during lifting, is high in safety, and can greatly reduce the difficulty of manually loading and unloading materials and reduce the labor intensity of workers.

The invention discloses a coal mine underground auxiliary transportation control system based on multi-source data fusion, and relates to the technical field of coal mine underground work transportation control. The multi-source heterogeneous data comprises a ground attachment coefficient, a coal seam inclination angle, a vehicle state and a roadway environment parameter; according to the method, multiple sensors are arranged on a roadway of a mine and a trackless rubber-tyred vehicle, multi-source heterogeneous data of a ground adhesion coefficient, a coal seam inclination angle, a vehicle state and roadway environment parameters related to auxiliary transportation are obtained in real time, and a two-way mapping model of a digital twinning and physical entity is constructed based on the multi-source heterogeneous data; model parameters are updated in combination with federal learning, a closed-loop cyclic feedback mechanism among the running state of a vehicle physical entity, roadway environment influence and a control instruction is realized, a roadway complex change environment can be continuously adapted, and the self-adaption and control learning ability is improved.

A combined dust suppression system for a metal ore unloading station, and a using method. The combined dust suppression system consists of an ore unloading station tunnel wall surface accumulated dust high-pressure water flushing device, an ore unloading station tunnel floor spraying, watering, and wetting device, and an ore unloading station ore train floor bidirectional high-pressure spray dust suppression device. The ore unloading station tunnel wall surface accumulated dust high-pressure water flushing device is used for performing manual flushing on a tunnel by means of high-pressure water in the travel direction of an ore unloading train, the ore unloading station tunnel floor spraying, watering, and wetting device is used for performing spraying, watering, and wetting on the tunnel, and the ore unloading station ore train floor bidirectional high-pressure spray dust suppression device isolates dust generated during ore unloading at the ore unloading station. The water consumption can be reduced, excessive water in an ore unloading pit that causes adhesion and blockage can be effectively avoided, the field applicability of high-pressure spray dust suppression measures is improved, and on-demand spray dust removal of a high-pressure spray device is achieved; high-pressure water is used for flushing accumulated dust on the tunnel wall surfaces of ore unloading stations, and the tunnel floors of ore unloading stations are sprayed, watered, and wetted, thereby achieving significant comprehensive dust suppression and dust control effects, and notable energy-saving effects.

The invention discloses an underground safety monitoring and polling device, and belongs to the technical field of coal mine safety polling. Comprising a conveying belt body and an inspection robot. A jacking and extending assembly is installed between the inspection robot and the supporting plate, when the detected cracks on the conveying belt body need to be repaired or marked, the jacking and extending assembly drives the supporting plate to descend and abut against the conveying belt body, and the walking conveying belt body drives the inspection robot and the conveying belt body to move synchronously; a cleaning roller is arranged on the other side, close to the supporting plate, of the bottom of the inspection robot, two spraying heads are arranged on the side, close to the supporting plate, of the cleaning roller at equal intervals, and a transmission mechanism drives the corresponding spraying heads to distinguish slight cracks or serious cracks, detected by the inspection robot, on the conveying belt body; according to the invention, respective processing can be carried out according to the crack degree, the detection efficiency is effectively improved, and the problem that an existing robot lacks an effective processing means is solved.

The invention relates to the field of coal mine equipment cooperative control, in particular to a multi-equipment cooperative control method and system for coal mine work. The method comprises the following steps: collecting mine multi-dimensional environment monitoring parameters in real time; environment change trend sensing and environment area distribution positioning are carried out, and an environment trend sensing distribution diagram is constructed; real-time operation state parameters of the drilling machine are obtained, maximum safe mining rate calculation and drilling power adjustment are carried out according to the environment trend perception distribution diagram, and maximum drilling power parameters are generated; according to the maximum drilling power parameter, the ore removal amount in the period is predicted, synchronous carrying coordination is carried out, and a dumper synchronous carrying coordination parameter is obtained; and calculating the latest depth of the drilling machine according to the environment trend perception distribution diagram, and performing environment air quality evaluation to generate a position air quality evaluation value of the drilling machine. By intelligently coordinating a plurality of pieces of coal mine equipment, the overall operation efficiency and safety of a coal mine are improved.

The invention relates to a deep stratum well hole and cave mining system which comprises a traffic well system at least provided with two well holes communicating with a cave, a through-well-hole three-dimensional mining device and a control mechanism, the traffic well system is provided with a flow-back channel and an injection channel, and an internal channel formed by the well holes is configured to be a flow-back channel and an injection channel. The through-hole three-dimensional excavating device is used for carrying out form-controllable excavating on the cave; the through-well-hole three-dimensional filling device and / or the through-well-hole three-dimensional cleaning and transporting device are / is provided with a control mechanism, and the through-well-hole three-dimensional filling device conveys flow-state filler to the cave to conduct controllable-state filling so as to reduce the free space size of the cave; and the three-dimensional cleaning and transporting device for passing through the well hole is provided with a control mechanism, and the three-dimensional cleaning and transporting device for passing through the well hole cleans ore particles in the cave or transports the ore particles to the flowback channel, so that the circulating fluid discharges the ore particles out of the cave through the well hole. According to the invention, safe and efficient mining operation of a deep stratum can be realized.

The utility model provides a mine branch draw shaft drilling transmission mechanism, belongs to the technical field of mine construction, and is used for drilling a plurality of parallel blast holes in the branch draw shaft construction process. The transmission mechanism comprises a drilling power source and a universal coupling, a plurality of transmission wheels are rotationally arranged on the drilling base plate, and transmission structures are arranged on the peripheries of the transmission wheels; the transmission wheels comprise at least one driving wheel and a plurality of driven wheels, the positions of the driving wheels are fixed, the positions of the driven wheels on the drilling base plate can be adjusted, penetrating shaft holes are formed in the centers of the driven wheels, the sections of the shaft holes are polygonal, and the shaft holes are in sliding fit with the drilling rod. The driving wheel and the driven wheel synchronize power through a transmission structure, and power is transmitted between the driving wheel and the drilling power source through a universal coupling. The mechanism effectively solves the problem of drilling parallel blast holes in branch draw shaft construction, improves the construction efficiency and accuracy, has the advantages of simple structure, convenience in operation, high adaptability and the like, and remarkably improves the automation level of mining.

The invention discloses a multi-cutting-device collaborative coal cutting non-beveling feed system which comprises a machine nest cutting device and a scraper conveyor, the machine nest cutting device comprises a traction part, a rotating arm and a cutting roller, the cutting roller is arranged at the first end of the rotating arm, and the scraper conveyor is arranged at the second end of the rotating arm. The second end of the rotating arm is pivotally connected with the traction part, the rotating arm is used for driving the cutting roller to move relative to the coal seam, the extending direction of the scraper conveyor is perpendicular to the advancing direction of the working face, the two ends of the scraper conveyor are each provided with a machine nest cutting device, and the traction part of each machine nest cutting device moves along the scraper conveyor; the drum shearer is arranged in the middle of the scraper conveyor and used for cutting a coal seam, and the hydraulic support is arranged on the side, away from the working face, of the scraper conveyor and used for supporting a top plate. The multi-cutting-device collaborative coal cutting non-beveling feed system provided by the invention has the advantages of high cutting efficiency and small influence on the original process.

The invention discloses a low seam few-person fully mechanized coal mining face mining system and method, the system comprises a coal mining machine automatic control system and a hydraulic support electrohydraulic control system, the coal mining machine automatic control system realizes position information transmission and height adjustment of a coal mining machine; the hydraulic support electro-hydraulic control system achieves hydraulic support pulling, pushing and sliding, machine following and support moving and automatic control over actions of the hydraulic support, and the remote control system conducts three-machine linkage control over key production equipment of the fully mechanized coal mining face, automatic control, locking, sudden stop, fault diagnosis, automatic liquid supplementing and data information transmission on the hydraulic support. Coal face equipment has the functions of coal wall video monitoring and the like, and the production process is automatically completed; the coal mining process is intelligent, data transmission is informationized, and on-site operators operate and produce with few persons, so that manual intervention is reduced as much as possible, and high-yield, efficient and safe production is ensured.

The invention relates to an underground metal mine waterproof gate rubber belt transportation system, and relates to the technical field of mine transportation, the underground metal mine waterproof gate rubber belt transportation system comprises a force bearing wall and a door closing mechanism, an incoming mine conveyor is installed in the force bearing wall, and a movable conveyor is arranged on one side of the incoming mine conveyor; an ore drawing conveyor is installed on the side, away from the incoming ore conveyor, of the force bearing wall, a door frame is installed on the side, close to the ore drawing conveyor, of the force bearing wall, a door plate is movably connected to the bottom of the door frame through a rotating shaft, and a door closing mechanism is arranged on one side of the door plate; the door closing mechanism comprises an oil cylinder controller fixedly connected with one side of the force bearing wall. The water level sensor installed in the force bearing wall can monitor the water depth in the force bearing wall in real time, when the water level exceeds a set threshold value, the ground control terminal sends out a signal, the driving mechanism is controlled to drive the movable conveyor to be dislocated from the mine coming conveyor, and the door closing mechanism is controlled to seal a mine pit.

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 shaft maintenance emergency communication, and particularly discloses a shaft maintenance communication device and method based on an electromagnetic coupling principle. The device comprises an elevator controller, a car room main controller, a signal transmission medium and two pairs of electromagnetic coupling coils. The elevator controller is arranged in an elevator cage, and the car room main controller is arranged in a ground winch control room; a pair of electromagnetic coupling coils is respectively arranged at the top of a skip bucket of the elevator and below a guide wheel through a lasso structure and is respectively used for sending and receiving signals. A closed-loop lifting link where a steel wire rope of the elevator is located is used as a signal transmission medium, and bidirectional long-distance transmission of signals is achieved between an elevator controller and a car room main controller based on the electromagnetic coupling communication principle. A maintainer can actively lock the hoister through the hoister controller, accidental starting of the hoister caused by misoperation of a winch control room is avoided, and after locking is released, a winch driver can be informed of starting and stopping the hoister through voice and dotting control signals.

A method for recovery of residual coal pillars by freezing accumulated water in room-and-pillar mining areas is provided. A feasibility of repeated mining of residual coal pillars in room-and-pillar goafs is distinguished based on production data and exploration data of a mine. An accumulated water in the room-and-pillar mining areas is frozen to replace a paste filling material, which envelopes collapse roofs and gangues in the room-and-pillar goaf as a whole. The room-and-pillar goaf is filled with a frozen ice body. Roadways and mining faces are arranged in the frozen ice body. Coal cutter cuts the residual coal pillars and the frozen ice body. With the advancing of the mining face, the residual coal pillars are gradually recovered and melted water after the cutting is pumped out.

The invention discloses an underground large-water mine fine ore recovery technology, and relates to the technical field of fine ore recovery. The method comprises the steps that S1, underground equipment is prepared and arranged; s2, collecting fine ore in the stope; s3, ore screening and material preparation; s4, determining the diameter of the pipeline; s5, calculating the pressure loss of the pipeline; s6, stirring and modifying the ore pulp; and S7, ore screening and wastewater recycling. The process belongs to active recovery of the fine ore, all the fine ore produced in the mine can be recovered, the intermediate transportation and crushing steps of the recovered fine ore are omitted, and the problem that the ore slurry formed after the fine ore meets water blocks a draw shaft and a drainage channel is solved. And the fine ore is directly recovered and passes through the crushing stage, so that the loss of the fine ore in the transportation process is effectively reduced, and the resource recovery rate is greatly improved. Compared with the prior art, fine ore can be actively recycled, and the recycling efficiency is high. Equipment used in the process is more flexible, and there is no need to excavate more laneway projects for treating the fine ore.

The present invention discloses a mobile device for safely unblocking a mine chute in the field of mining machinery technology, comprising: a mobile device, an explosives mounting assembly is provided on the mobile device, the explosives mounting assembly includes a telescopic rod; a winding wheel is provided on the telescopic rod, and the winding wheel is provided with a flexible connecting member for driving the telescopic rod to extend; a rope reel is provided on the explosives mounting assembly for driving the winding wheel to rotate; the rope reel includes a rope reel body, a spline shaft slidingly arranged on the rope reel body, a first drive assembly for driving the spline shaft to slide, and a second drive assembly for driving the spline shaft to rotate; the present invention drives the shift fork to rotate by the driving member, so that the shift fork moves with the spline shaft to the inside of the rope reel body, realizes the retraction of the spline shaft to separate from the winding wheel, and through the above method, the rope reel itself has the function of separating from the external winding wheel, does not rely on external facilities, and reduces the probability of the rope reel and the winding wheel being unable to be separated.

A vertical shaft construction slag sliding well bottom rock ballast gathering and protecting device comprises a supporting structure, an upper fence and a sliding groove structure are sequentially arranged on the supporting structure from top to bottom through a traction structure, and a lower fence is arranged on the lower portion of the sliding groove structure. The lower fence and the sliding groove structure are driven through a linkage structure. When the lower fence is unfolded, the sliding groove structure is folded; when the lower fence is folded, the sliding groove structure is unfolded. According to the stone slag gathering and protecting device at the bottom of the slag slipping well for vertical shaft construction, stone slag falling to the bottom of a vertical shaft can be effectively gathered; meanwhile, in the bottom deslagging operation process, the device can stop rock ballast falling from the upper portion.

The invention relates to the technical field of underground structures, in particular to a buffer chamber system for vertical feeding of mine materials, an excavation chamber is designed in a roadway near a feeding hole in the direction of the feeding hole to serve as a buffer channel, a buffer bottom table is arranged in the buffer channel, the surface of the buffer bottom table is a detachable steel plate, and the surface of the buffer bottom table is a 45-degree inclined plane; i-shaped steel is used for pouring and reinforcing the lower part with concrete, and a spring buffer device is mounted below the feeding hole for proper pressure relief. The problems of buffering, pressure relief and dust prevention after ground materials are vertically put into a well are solved, meanwhile, automatic collection after the materials are put can be achieved, the device can serve as a temporary buffering device to store part of the materials, and the materials are conveyed to a material demand site after being received.

A mixed feed efficient mining method includes the steps that firstly, an air way, a machine way and a cutting hole are formed, a coal pillar is reserved at the left end of a working face, the length of the reserved coal pillar is larger than that of a single-drum coal mining machine, a machine nest is formed in the right side of the reserved coal pillar, and the length of the machine nest is not smaller than the sum of the length of a double-drum coal mining machine and the length of beveling feed; the single-drum coal mining machines are arranged in the roadways at the two ends of the fully mechanized coal mining face, the double-drum coal mining machines are arranged on the scraper conveyor at the machine nest section, when the double-drum coal mining machines run to be close to the left end or the right end of the fully mechanized coal mining face, reverse beveling feeding is directly carried out for next coal cutting, and it is not needed that coal is cut back and forth after conventional beveling feeding is carried out; coal pillars left at the two ends of the working face are cut by the two-end single-drum coal mining machine through vertical feeding, coal mining at the two ends and the middle section of the working face is achieved at the same time, the mining efficiency is greatly improved, the number of arranged working faces is reduced, the labor time of workers is shortened, and the economic benefits of enterprises are increased.

The invention discloses a coal slipping hole with a multi-stage buffering function, and relates to the technical field of coal mine transportation, the coal slipping hole comprises a feeding port and a communicating pipe arranged at the bottom end of the feeding port, and the communicating pipe can be communicated with a discharging port of a raw coal pulverizer through the feeding port; further, the crushed raw coal can enter an inner cavity of the communicating pipe; the dust removal buffering mechanism is used for removing dust in the crushed raw coal, by arranging the dust removal buffering mechanism, the raw coal fragments discharged from the communicating pipe can be buffered, meanwhile, dust and dust in the raw coal can be absorbed and collected, and dust and dust removal work is achieved along with raw coal accumulation; and the anti-blocking mechanism is used for preventing raw coal from blocking in the dust removal buffering mechanism, and the wrapping box is arranged on the outer surface of the anti-blocking mechanism, so that the effect of multi-stage buffering of the raw coal during raw coal transportation is achieved.

The invention provides an underground mining, selecting and filling integrated coal gangue filling and replacing section coal pillar method, and relates to the technical field of coal stoping, and the method comprises the following steps: respectively forming a transportation crossheading and an air return crossheading on the left side and the right side of a section coal pillar, and communicating the transportation crossheading with the air return crossheading through a crossheading connection roadway; and according to the serial number sequence, the strips with the serial numbers being even numbers are subjected to stoping and filling in sequence, and then the strips with the serial numbers being odd numbers are subjected to stoping and filling. An odd-even sectional type stoping method is adopted for the section coal pillars, after stoping, filling slurry is used for preparing a chamber to sort coarse coal and coal gangue, the coal gangue is made into coal gangue filling slurry to be filled into the goaf of the section coal pillars, integrated operation of stoping, sorting and filling is achieved, the method can be suitable for an underground stoping area with multiple working faces, coal pillar resources are efficiently recycled, and the mining efficiency is improved. The method has a good application prospect and a wide application range.

The invention discloses a multi-machine combined mining method for a gently inclined broken non-coal mine body containing an interlayer. The method comprises the following steps: S1, selecting mechanical mining equipment of an upper layer and a lower layer of an ore body according to the ore Prscherski coefficient, and determining corresponding mechanical non-explosive mining methods adopted by the upper layer and the lower layer of the ore body; s2, dividing the upper-layer ore body and the lower-layer ore body into a plurality of panels along the trend, and arranging corresponding mining preparation cutting projects according to a mechanical mining method determined by the upper-layer ore body and the lower-layer ore body; s3, performing corresponding stoping and ore removal engineering according to a mechanical mining method determined by the upper layer ore body and the lower layer ore body; and S4, performing corresponding filling engineering according to a mechanical mining method determined by the upper-layer ore body and the lower-layer ore body. Based on optimization and improvement of a mining machine fully mechanized mining and digging and anchoring all-in-one machine mining method in the prior art, two kinds of mechanical equipment can be adopted at the same time for stoping the interlayer-containing gently-inclined parallel multi-layer vein, separate mining and separate transportation are achieved, and the mining method has the advantages of being large in production capacity, high in safety, small in dilution loss and the like. The method is particularly suitable for stoping parallel ore body groups which are large in production scale and need separate mining and separate transportation.

A three-coal-mining-machine efficient mining method includes the steps that firstly, an air way, a machine way and a cut hole are formed, notches are formed in the two ends of the cut hole in advance, and the length of the notches is not smaller than the sum of the length of a single-drum coal mining machine and the length of a double-drum coal mining machine; the front portions of the two ends of the working face are beveled, fed and pre-cut to form machine nests through the two single-drum coal mining machines, a roof is supported through the lagging supporting support and the timely supporting support, and the requirement for the width of a roadway can be lowered by adopting the beveled feeding mode of the single-drum coal mining machines; in addition, the single-drum coal mining machines on the two sides perform pre-cutting operation at the two ends of the working face and the double-drum coal mining machine perform coal cutting operation in the middle of the working face synchronously, and after the double-drum coal mining machine enters a left-end or right-end machine nest, the double-drum coal mining machine directly performs reverse beveling feeding for next coal cutting, so that the mining efficiency of the working face is improved; the working face arrangement number is reduced, the labor time of workers is shortened, and the economic benefits of enterprises are increased.

The invention discloses a hydraulic support for intelligently assembling a prefabricated filling body behind the support and a precise assembling technology, and relates to the technical field of coal mining equipment. An image acquisition system is installed in the middle of the rear portion of a hydraulic support set, the acquisition end faces a robot rocker arm, and the robot rocker arm is rotationally installed on the rear portion of the hydraulic support set; the grabbing end of the robot rocker arm can act in multiple directions, the grabbing end of the robot rocker arm is used for grabbing the prefabricated filling body and assembling the prefabricated filling body to a goaf under the assistance of the image acquisition system, and the driving part of the hydraulic support set and the driving part of the robot rocker arm act under the control of the control system. After the robot rocker arm completes assembly of one point of the goaf, the control system controls the hydraulic support set to move forwards to the next point along the scraper conveyor. The filling efficiency and quality of the goaf can be improved, the collaboration of filling operation and coal mining operation is enhanced, intelligent and automatic filling operation is achieved, and it is guaranteed that coal mining is efficient, safe and environmentally friendly.

The invention relates to a form-controllable mining system and mining method for a liquid-filled well cave in a deep stratum. The system comprises an expansion operation device, an ore particle lifting system and at least one process well, the extended operation device comprises an extended mining device and / or an extended collecting device; the expansion operation device can move along the process well and can be conveyed to an operation position through the process well; the extended excavation device is used for realizing chamber excavation along the process well; or the extended collecting device is used for collecting or sucking the ore particles in the chamber along the process well. The method and the device have wide prospects in the fields of deep stratum mining, in-layer mining of the underlying strata of the ocean and deep stratum space resource utilization.

The invention provides a control method and system for a whole vehicle railway tunnel dust removal device, and relates to the technical field of railway equipment control, and the method comprises the steps: carrying out the real-time monitoring of a horizontal conveying belt of the railway tunnel dust removal device, and obtaining a real-time driving current sequence; acquiring electromagnetic disturbance information, determining an electromagnetic disturbance quantity when the real-time current is monitored according to the electromagnetic disturbance information, and compensating the real-time driving current sequence according to the electromagnetic disturbance quantity so as to obtain a driving current compensation sequence; determining a current divergence coefficient of the driving current compensation sequence, converting the driving current compensation sequence into a current limit and control domain of the horizontal conveying belt, and determining the current change responsivity of the horizontal conveying belt according to the current divergence coefficient and the current limit and control domain; the operation speed of the horizontal conveying belt is regulated and controlled based on the current change responsivity, the operation speed of the horizontal conveying belt can be controlled according to the current of the horizontal conveying belt driving motor, and therefore the safety of the railway tunnel dust removal device in the operation process is improved.

The invention provides an underground transportation safety intelligent monitoring system and method. The underground transportation safety intelligent monitoring system comprises an environment monitoring module, a transportation monitoring module, an information early warning module, a monitoring management module and a danger level monitoring module. The environment monitoring module is used for acquiring environment state information and equipment state information; the transportation monitoring module is used for acquiring belt state information and coal flow state information; the information early warning module is used for carrying out over-limit alarm according to the acquired information; the danger level monitoring module is used for obtaining the number of overrun alarm times, dividing danger levels and then transmitting the danger levels to the monitoring management module. And the monitoring management module is used for storing, analyzing and processing various kinds of state information and judging whether the danger level is correct or not according to the various kinds of state information. On the basis of real-time monitoring of various unsafe factors in the transportation environment and the operation state, the danger level can be comprehensively judged, and the safety of coal mine transportation work is improved.

The invention relates to an inclined shaft TBM disassembly construction method. The method comprises the following steps that firstly, an adjustable supporting frame is arranged at the bottom of an inclined shaft; step 2, reversely disassembling each component according to the sequence of a cutterhead driving part, a main bearing, a shield and a thrust cylinder; thirdly, in the disassembling process, a hydraulic jacking device and a monorail hoist work cooperatively to conduct component hoisting; fourthly, a temporary transportation channel is formed in the side wall of the inclined shaft; fifthly, after every two parts are disassembled, steel arch supports are erected in the corresponding areas; and sixthly, the disassembled parts are transported outwards through a wheel type transport vehicle along an inclined shaft track. Through cooperative control of the multi-stage supporting system and the dynamic disassembling sequence, the stability of the inclined shaft structure is effectively guaranteed, the disassembling efficiency and the transportation safety of large-size components are remarkably improved by combining the design of the transportation channel with precise positioning and optimization of a braking system, and the method is suitable for rapid disassembling and transferring operation of TBM equipment in inclined shaft tunnel engineering.

The invention discloses an efficient combined dust suppression device and method for draw shaft ore unloading, and belongs to the technical field of mine tunnel dust suppression. The invention relates to an efficient combined dust suppression device for ore discharge of a draw shaft, which comprises a negative pressure suction and moisture absorption type dust removal device mounted on one side, close to a main draw shaft, of a draw shaft linkage lane, a spray dust suppression device mounted on one side, close to a main lane, of the draw shaft linkage lane, a split type water supply unit, a split type gas supply unit and an automatic control system, comprising a control box arranged in a main roadway, an infrared photoelectric sensor transmitting end, an infrared photoelectric sensor receiving end and a dust concentration sensor, and a PLC, a power module and a wireless communication module are integrated in the control box. The problems that in the prior art, dust falling equipment depends on manual operation, and the collaboration is insufficient are solved. According to the method, manual operation dependence is effectively eliminated, full-process automation is realized, multi-device dynamic collaboration is realized, and operation conflicts are inhibited.

A walking trolley for a working face of a thin coal seam relates to the technical field of mining underground walking equipment and comprises a cable trough and a walking device. One side of the cable trough is fixedly connected with the middle trough, an upper bent plate and a transverse plate are fixedly arranged on the other side of the cable trough, the transverse plate is arranged below the upper bent plate, a distance exists between the transverse plate and the upper bent plate, and a vehicle rail is fixedly arranged on the transverse plate; the walking device comprises at least two wheels matched with the vehicle rail, the two wheels are arranged between the upper bent plate and the transverse plate and are vertically and rotatably installed on the bearing mechanism, the bearing mechanism is arranged on the outer side of the cable trough, and the bearing face of the bearing mechanism is not higher than the top face of the cable trough. The conveying device can walk on the outer side of the middle groove to convey materials or workers, so that the conveying difficulty is reduced, the walking convenience of the workers is improved, and the production efficiency is improved; the upper-layer space of the middle groove is not occupied, and the space utilization rate is increased.