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5682results about "Mining devices" patented technology

Coal and gas outburst hazard early warning system and early warning method

ActiveCN101550841APrevention of Outstanding DisastersReal-timeMining devicesDust removalForward lookingGeological structure
The invention relates to the field of coal mine safety technique, specifically to a down-hole coal and gas outburst hazard early warning system and early warning method. The coal and gas outburst synthesized early-warning system, uses the existing local area network to connect a synthesized early-warning data server, an early-warning data management system and the existing coal mine safety monitoring system; analyzes the coal and gas outburst early-warning data in the synthesized early-warning data server by an outburst early-warning module; and emits early-warning information based on the analyzed result. The inventive coal and gas outburst synthesized early warning system and early warning method can perform centralized management and comprehensive analysis of the geological structure, coal seam occurrence, gas occurrence, mining production, daily forecast indicators, outburst forecast, gas emission and other security information that originally scatter in various functional sections of coal mine on the geographical information system GIS platform, integrates the existing resources, improves the accuracy of early warning, so that the early warning is both real-time and forward-looking, and can effectively prevent the occurrence of coal and gas outburst in coal mine.
Owner:CHINA COAL TECH & ENG GRP CHONGQING RES INST CO LTD

Comprehensive geological prediction method for karst tunnel construction

The invention discloses a comprehensive geological prediction method for karst tunnel construction, which includes the following steps: (1) long-distance detection; (2) geological radar detection: on the basis of the long-distance detection, adopting a geological radar to review a long-distance prediction result within a short-distance detection range; (3) adopting a horizontal protruded drill hole to carry out direct detection according to a review result; and (4) supplementary protruded blasthole detection: when a direct detection result is that a geologically abnormal body exists in the current tunneling construction area, a protruded blasthole needs to be adopted to carry out supplementary detection, and a supplementary detection result is used as supplementary detection data for the direct horizontal protruded drill hole detection result. The design of the comprehensive geological prediction method is rational, the comprehensive geological prediction method is easy and convenient to operate, and is highly operable, moreover, the mutual relation among a variety of chosen prediction methods is clear, the comprehensive detection effect is good, and the invention provides a systematic, rational and standard comprehensive prediction method for karst tunnel construction.
Owner:NO 1 ENG LIMITED OF CR20G

Intelligent full automatic combine coal mining system

The invention relates to an intelligent type full-automatic combined coal mining system, which comprises a coal mining and loading device, a conveying device, a supporting device, and an equipment train, and is mounted in the working face and crossheading in the coal mine well. The coal mining and loading device is mounted on the conveying device, the coal conveying port of the conveying device is conveyed to the outside of the well or the coal bunker through a belt type conveyor in the crossheading, the supporting device is arranged behind the conveying device for supporting the top plate of the coal seam and linking with the conveying device, the equipment train comprises a central control chamber of a central control equipment, a starter, a power device, and a lifesaving cabin, the central control equipment monitors and controls the coordination operation of the devices, the equipment train, and the power device of the equipment train, the power device provide power source for the devices and the equipment train, and the equipment train moves freely in the crossheading with the feeding of the working faces. The invention improves system complete ability and execution efficiency, and has strong function, high intelligent degree, high safety, high production efficiency, and the like.
Owner:SANY HEAVY EQUIP

Coal mine safety integrated monitoring system based on Internet of Things

A coal mine safety integrated monitoring system based on the Internet of Things comprises an environment information system, an equipment information system, a mobile target tracking and positioning system, a voice communication system, a video monitoring system, a traffic dispatching system, a safety supervision information system, a working plane information management system, a yield monitoring system, a dynamic meter management system, a safety prewarning and decision supporting system and a rescue information assurance system. Nodes of the Internet of Things are installed to a coal mine tunnel, relevant equipment and workers, the nodes of the Internet of Things are connected with relevant sensors and actuating equipment, and objects, needing to be monitored, of an underground coal mine are connected with the Internet according to a unified agreement, so that the coal mine safety integrated monitoring system based on the Internet of Things is formed. The data information of the underground environment and equipment can be collected by every worker and underground equipment through the sensors carried with the workers and the underground equipment; besides, the state information of the workers and the underground equipment can be collected, so that intelligent recognition, positioning, tracking, monitoring and management are achieved.
Owner:HUAYANG COMM TECH CO LTD

Mine searching multi- robot system based on wireless sensor network

Based on the mine searching and detecting multiple robots of wireless sensor networks, the invention relates to the searching and detecting field for mines and underground accident site, which overcomes the problem that the existing technology can not transmit the site environment information and personnel information rapidly. The invention consists of the following devices: a multiple-joint robot which is provided with a long and thin structure in a snake shape, adopts the tract type walking mode, and is provided with a boarded bin that can carry a plurality of small investigation robots; a plurality of sensors carried by the robot which can confirm the location of the miners in danger and can detect the kinds, content, and environment temperature of harmful gases; small investigation robots, which realize the multiple-points information collection and long-distance communication through being released along the way; a remote operation and control terminal, which is arranged on the ground, forms a wireless sensor network with the multiple-joint detection robot and the small investigation robots, and builds the communication link between the operator and the robots; the rescuing personnel can operate each part of the robot in a remote end on a real-time basis and can obtain the site environment information and the information of the personnel in danger.
Owner:HARBIN INST OF TECH

Coal mine underground safety comprehensive monitoring system based on fiber grating sensors

ActiveCN103362553AEnsure stabilityReal-time monitoring of water inflowMining devicesGratingEngineering
A coal mine underground safety comprehensive monitoring system based on fiber grating sensors and belongs to a coal mine underground safety monitoring system. The system comprises an aboveground part and an underground part; the aboveground part comprises a static fiber grating demodulator, a computer data processing system, a printer, a server and a client; the underground part comprises an optical switch array, a working face safety monitoring subsystem and a laneway safety monitoring subsystem; each of the two monitoring subsystems at least comprises a monitoring base station; each monitoring base station at least comprises a survey station; each survey station is corresponding to one group of fiber grating sensors; the advantage is that the system adopts multiple survey stations to perform underground multi-parameter monitoring, integrates the fiber grating sensors, adopts all-optical survey and optical fibers for signal transmission, is intrinsically safe, has high anti-electromagnetic interference capability and a good monitoring effect, realizes real-time continuous long-term on-line monitoring and the sharing of data in an entire mining area to better guide the safety production of a coal mine, can effectively reduce safety accidents of the coal mine and realizes safe and efficient production of the coal mine.
Owner:CHINA UNIV OF MINING & TECH

Tunnel construction informatization dynamic monitoring system and monitoring method thereof

The invention discloses a tunnel construction informatization dynamic monitoring system and a monitoring method thereof. The system comprises an industrial personal computer, a PLC (programmable logic controller) wireless controller, a high-configuration digital camera, a deformation monitoring sensitization part, digital display acquisition equipment, wireless transmission equipment and a dynamic design feedback device. The method includes: 1), controlling commands to be transmitted to the PLC wireless controller by a computer control main station and controlling the digital camera and the digital display acquisition equipment; 2), acquiring internal force monitoring data by the aid of the digital display acquisition equipment; and acquiring a deformation monitoring image via the deformation monitoring sensitization part by the digital camera; 3), transmitting a monitored value to the computer control main station by the aid of the wireless transmission equipment; 4), analyzing results by the computer control main station via a real-time analysis module; and 5), transmitting the analyzed results to the dynamic design feedback device, analyzing relative difference of the really monitored value and a standard value, and early warming in real time by an early warning module. The tunnel construction informatization dynamic monitoring system is scientific, safe and practical, the method is convenient, instant, fast and effective, and safety problems in construction monitoring of tunnels are avoided.
Owner:XI'AN UNIVERSITY OF ARCHITECTURE AND TECHNOLOGY

Intelligent dust concentration limit setting spray dust settling device, system and method

The invention discloses an intelligent dust concentration limit setting spray dust settling device. The device comprises a control unit, a dust concentration sensor, an electromagnetic valve and a sprinkler head, wherein the signal output end of the dust concentration sensor is connected with a signal input end of the control unit; a control signal output end of the control unit is connected with a control signal input end of the electromagnetic valve; and the control unit realizes spray control over the sprinkler head through the switching of the electromagnetic valve. In the device of the invention, the dust concentration limit is manually set; the spraying starts when the dust concentration limit exceeds an upper limit value and stops when the dust concentration limit is less than a lower limit value; and thus the meaningless waste of water resource is prevented, the water logging in roadways is reduced, the working conditions are improved and the health and the safety of mine workers are ensured. In addition, the invention also discloses an intelligent dust concentration limit setting spray dust settling system, so the remote on-line monitoring of the dust concentration can be realized; meanwhile, the invention also discloses an intelligent dust concentration limit setting spray dust settling method.
Owner:CHINA COAL TECH & ENG GRP CHONGQING RES INST CO LTD

Intelligent fully mechanized mining face video surveillance system

ActiveCN102291575ATroubleshoot image capture issuesImprove the level of security detectionMining devicesClosed circuit television systemsVideo monitoringVideo transmission
The invention discloses a monitoring system and a method for an integrative mining working surface. The intelligent video monitoring system comprises a coal mining machine positioning system, a video collecting system, an intelligent control system, a video transmitting system and a ground display system. The coal mining machine positioning system judges a position where a coalmining machine is positioned; the video collecting system obtains a real-time video image of the integrative mining working surface; the intelligent control system can quickly judge the position where the coal mining machine is positioned, controls the opening of a shield function of an area where the coal mining machine is positioned, and enables the ground display system to be capable of being automatically switched to an image of a camera in the area where the coal mining machine is positioned; the video transmitting system can convey a video signal to a ground monitoring center through an Ethernet or an optical fiber; and the ground display system can automatically display the video image at the position where the coal mining machine is positioned and also can randomly retrieve the real-time image of any camera. The monitoring system and the method are advanced and scientific; the blank that the integrative mining working surface does not have video monitoring is filled; and the monitoring system and the method have the advantages of high degree of intelligence, safety, reliability and the like.
Owner:TIANDI SCI & TECH CO LTD

Assessment method for predicting underground rock burst danger of coal mine

The invention discloses an assessment method for predicting underground rock burst danger of a coal mine, and belongs to assessment methods for predicting the rock burst danger. Danger levels of burst mine pressure include rock-burst-free danger level A, weak rock burst danger level B, medium rock burst danger level C and strong rock burst danger level D; and accordingly, corresponding preventive measures are formulated. Weight of affections, of geological factors and mining factors of mining areas, on the rock burst is analyzed synthetically; danger indexes of the geological factors and the mining factors are calculated respectively, and the maximum value of the danger indexes is taken as a final composite index of the rock burst danger; and accordingly, danger levels, states and preventive measures of the rock burst of the mining areas are determined. The geological factors analyzed and assessed by a composite index method include rock burst occurrence history, mining depth and distance between a hard thick rock stratum in an overlying fissure zone and a coal bed; and the mining factors include pressure relief degree of a protective layer, horizontal distance between a working surface and a coal column remained from upper preventive layer mining, and relations between working surfaces and adjacent gobs.
Owner:CHINA UNIV OF MINING & TECH

On-site hot smoke test equipment and method for subway station and inter-station tunnel

The invention discloses an on-site hot smoke test equipment and method for subway stations and inter-station tunnels. The system comprises ignition source systems, data acquisition systems, and a data processing system, wherein the ignition source systems are arranged in the subway stations and the tunnels to simulate a fire scene; the data acquisition systems are arranged in the platforms and the concourses of the subway stations, the station tunnels and the inter-station tunnel to collect the following information in the fire scene, such as temperatures, gas concentrations, gas velocities, images, thermal images, smoke heights and system linked time; and the data processing system is connected with the data acquisition systems and processes the data information collected by the data acquisition systems, obtains the evaluation indicative data about work effects, reliability and linkage conditions of the fire detection and warning systems, the ventilation and smoke removal systems, the emergency lighting systems, the exit passageways and the exit signs in the platforms and the concourses of the subway stations and the inter-station tunnels, and judges whether the individual fire fighting systems can ensure the safe escape of passengers in the fire accident. The on-site hot smoke test equipment and method can provide reasonable and correct scientific evidences for subway construction, system debugging and transport safety.
Owner:CHINA ACAD OF SAFETY SCI & TECH +1

Monitoring method for influence on adjacent existing structures from tunnel excavation

InactiveCN102434209ATimely feedbackPlay a monitoring roleMining devicesStress changeQuality control
The invention discloses a monitoring method for an influence on adjacent existing structures from tunnel excavation, comprising the following steps: (1), making a monitoring plan according to a geologic report, adjacent existing structure conditions and a construction plan for a tunnel; (2), organizing construction works by the construction party according to the construction progress; (3), performing field monitoring according to the monitoring plan; (4), organizing the monitored data and performing a simulation analysis on the monitored data, and judging whether the data is in the range of the pre-warning value; (5), pre-warning the construction party; (6), assessing the rationality and scientificity of the construction technology, and adjusting the construction plan. The invention establishes a monitoring method with a set of perfect system, and sets monitoring index values, and selects and arranges monitoring points, and monitors vertical deformations of the baseboards of the adjacent existing structures, stress changes of surrounding rocks in disturbed areas, shock vibrations of tunnel blasting, cracks of existing structures and walls, leveling for the baseboard and so on, and establishes communication between the construction and monitored information to form a positive cycling for quality controls on engineering constructions.
Owner:UNIV OF SHANGHAI FOR SCI & TECH

Mine digitlization production management and control system and method

ActiveCN104929687AUnderstanding of spatial relationshipsGuaranteed accuracyMining devicesControl systemResource analysis
The present invention discloses a mine digitlization production management and control system and method. The present invention provides a mine digital management and control system and a digital management and control method applied to the system. The management and control system comprises a geological resource analysis subsystem, an ore blending subsystem and a management and control subsystem; the geological resource analysis subsystem generates a geological resource module according to acquired geological samples; the ore blending subsystem automatically generates an ore blending scheme; and the management and control subsystem monitors, adjusts and manages mine work in real time according to the geological module and the ore blending scheme. The method comprises the steps of generating the geological resource module after analysis, simulation and prediction according to the acquired geological samples; automatically generating the ore blending scheme according to the geological resource module; and monitoring, adjusting and managing the mine work in real time according to the geological module and the ore blending scheme. The system and method manage and control mining production on the basis of geological base data, so that the ore blending result is more accurate, mining work precision and efficiency are improved, mining loss dilution rate is reduced, and efficient work management is achieved.
Owner:CHINA GOLD INNER MONGOLIA MINING

Quick feedback analyzing system in tunnel constructing process

InactiveCN102155231AOvercoming the blindness of pre-designDynamic information construction improvementMining devicesTunnelsEngineeringAlgorithm optimization
The invention discloses a quick feedback analyzing system in a tunnel constructing process. The system adopts a scheme: understanding currently adopted designing construction parameters; establishing a tunnel excavation three-dimensional finite element numerical grid calculation model; acquiring surrounding rock layering and convergent displacement monitoring information after a tunnel is excavated; establishing a non-linear support vector machine model; fixing an anchoring parameter according to the actual construction parameter, and optimally identifying rock mechanic parameters by adoptinga differential optimization algorithm; optimizing the construction parameter of an anchoring scheme by adopting a differential evolution algorithm; and optimizing the rock mechanic parameters by calling the differential evolution and optimization algorithms to further solve the construction parameter of the anchoring scheme, and outputting the construction parameter of the optimized anchoring scheme as a construction scheme through a computer display screen to guide the constructors to construct. The quick feedback analyzing system ensures that the monitoring information is used for optimizing the anchoring parameter while being used for identifying the surrounding rock parameters, so that the dynamic information construction is improved to a level of quantitative analysis.
Owner:DALIAN MARITIME UNIVERSITY
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