5682results about "Mining devices" patented technology

Personnel and vehicle collision avoidance devices configured to be used in collision avoidance systems are disclosed. The collision avoidance devices are configured to be aware of the context (e.g. position, location, state, status, etc.) in which the person or vehicle is. This awareness allows the devices to avoid transmitting non-hazardous proximity warnings when the context does not warrant the transmission of proximity warnings, and to transmit special critical proximity warnings when the context warrants the transmission of such proximity warnings. To detect the context, the devices comprise one or more context-awareness mechanisms (e.g. user input interfaces, sensors, infra-red receivers, etc.), each of which being capable of detecting one or more particular contexts. A collision avoidance system comprising these personnel and vehicle collision avoidance devices is also presented.

A cable support system includes a plurality of first components (12) and a plurality of second components (14). Each first component (12) has a hinge edge (16), a tightening region (18) disposed on an opposite side from the hinge edge (16), a cable channel (20) arranged between the hinge edge (16) and the tightening region (18), and an interconnecting structure (22). Each second component (14) has a hinge edge (24), a tightening region (26) disposed on an opposite side from the hinge edge (24), and a cable channel (28) arranged between the hinge edge (24) and the tightening region (26). A first cable support device (10) is constructable by hingeably combining selected first and second components (12, 14) via the hinge edges (16, 24). A second cable support device (100) is constructable by hingeably combining selected two second components (14) via the hinge edges (24).

An adapter and hanger mounts an associated article to an associated anchor rail. The anchor rail is formed as a U-shaped channel having a pair of upstanding, opposing legs, each leg having an inwardly extending wall and terminating in a downwardly oriented lip. The adapter includes a top surface, flanges depending from the top surface and mounting legs extending from the flanges. The mounting legs each have a hook-like portion for engaging a respective rail lip. The adapter is flexible to permit urging the flanges inwardly toward one another for inserting a portion of the mounting legs into the U-shaped channel, and is also resilient such that the hook like portions biasedly engage the rail lips. In one embodiment, a hanger is formed integral with the adapter.

The invention relates to a cable tunnel routing inspection robot which comprises a robot main body, an automatic moving device and a mechanical arm, wherein the automatic moving device is installed on the robot main body, and the automatic moving device is suspended to a track and moves along the track; the mechanical arm is installed on the robot main body, and the tail end of the mechanical arm is provided with a cloud deck; and the robot main body is provided with a control device and a power supply device, and the power supply device is electrically connected with a cable connected with an external power supply cabinet in an inductive way. The cable tunnel routing inspection robot has high waterproof and anti-electromagnetic interference grades, safe power supply way and reliable communication way, the limitations of complex ground environment to the motion ability of the robot can be overcome, all-around image monitoring on equipment in the tunnel can be realized, and the positions of equipment damages and thermal defects and monitoring on the overall environment of the tunnel are detected and positioned.

Multi-use hanger apparatus includes a hanger member having a hanger member base with an opening formed therein and legs attached to the hanger member base. Spaced projections are attached to the corners of the hanger member base. The hanger member base is formed of hanger member base portions separated by one or more lines of weakness.

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.

The invention provides a system and a method for predicting the coal and gas outburst risk of a mine in real time, which relate to a system and a method for judging mine natural disaster of coal and gas outburst risk degree through combination of artificial intelligence and expert analysis. The system uses a microseismic signal for reflecting the ground stress intensity and the gas outburst quantity for reflecting the gas change as analysis parameters to be combined with the expert experience, and can improve the predicting accuracy of the coal and gas outburst risk to high than 90 percent. The system and the method are characterized in that the system mainly consists of a data collection module, a data transmission module, a real-time data tracking and analysis center and an integrated early warning module, wherein after the data collection module collects underground data, the data is transmitted to the real-time data tracking and analysis center through the data transmission modulefor calculation, analysis and reasoning, and the integrated early warning module gives the early warning when a reasoning result shows that the risk occurs. The invention is applicable to similar mines with the coal and gas outburst risk.

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.

A novel cable anchor for retainment and attachment of cables and tubing which utilizes a one-piece A-shaped rigid body (11) comprising of a U-shaped top (12) having the front, back and bottom open having two extensions one W-shaped left side extension (13) and one W-shaped right side extension (14) both extensions extending in a downward direction having 40 degrees more or less between the extensions. The W-shaped extensions having a barb surface located at the extreme outer surfaces of the W-shape. The U-shaped top (12) having an attachment hole (15) located at the top center. When manual pressure is applied on the outer surfaces of the extensions causing the extensions to move closer towards each other until the extensions are touching each other in the closed position thereby allowing the A-shaped rigid body (11) to be received in a bored hole of a substructure. The U-shaped top (12) may be flattened to facilitate the attachment of a separate cable clip or the like.

A leak detection and prevention system adapted to continuously monitor the spaces of a double wall hydrocarbon fuel handling system comprising storage tanks, product lines, vapor recovery lines, tank vent lines, etc. The system establishes and monitors a resident gas-pressure within the interstitial space to monitor the integrity of the primary and secondary containment. Change in resident gas-pressure in excess of a calibrated vacuum flow rate or the presence of liquid in any monitored space initiates an alarm. Once an alarm is signaled, the product delivery system is shut down and an audio-visual alarm is activated in close proximity to operating personnel. An onsite service call by qualified personnel is required to return the product handling system back into service. A qualified service technician connects to a communication port on the system control module to evaluate the cause of the failure. The system utilizes vacuum pressure to monitor for containment breaches. Furthermore, the system utilizes a Bernoulli-based device to produce the monitoring vacuum.

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.

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.

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.

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.

A system and method for restoring the natural water cycle by reducing stormwater runoff and addressing issues affecting groundwater supply. In one embodiment of the invention, the system comprises a roof washer component, cistern component, pump, and manufactured dry well. The system is designed to divert polluted rooftop runoff, capture clean rooftop runoff and store this clean water for irrigation purposes and nonpotable uses, while infiltrating excess water to recharge groundwater supplies thereby replicating the natural hydrologic cycle.

An arrangement for data transmission in a mine, and a cable reel. Data transmission between an information system of the mine and an information system of a mining vehicle is arranged using two data transmission cables. The data transmission cables are arranged in a supply cable that can be stored on a reel in the mining vehicle. The reel has a rotatable drum on which the supply cable can be wound. A first end of the drum has a first rotating connection element for connecting the first data transmission cable to the information system of the mining vehicle. A second end of the drum has a second rotating connection element for connecting the second data transmission cable to the information system of the mining vehicle.

A vulnerability assessment method of water inrush from an aquifer underlying coal seam includes steps of: collecting main control factors determined by geological data of a target area to be assessed; quantifying relevant data against the main control factors to form thematic maps; performing normalization processing against attribute data corresponding to the respective thematic maps; establishing databases of normalized attribute data corresponding to the normalized thematic maps by utilizing GIS; determining a weight of each main control factor based on a constant weight model; determining a variable weight of each main control factor based on a zonation variable weight model; performing composite superimposition on the normalized thematic maps of the respective single main control factors, and newly building a topological relation of the relevant data among the attribute databases for performing multi-factor fitting analysis; and establishing a vulnerability assessment model based on the zonation variable weight model.

The invention relates to a WSN mine safety monitoring system with a recombination function and a downhole accident monitoring method, belonging to a mining safety monitoring technology. The invention overcomes the problems of the previous wired monitoring system such as complicated wiring, failure to dynamically follow up an excavating surface, easy damage and the like. In the invention, a ground monitoring center of the monitoring system is an Ethernet system composed of a downhole monitoring access mainframe, a database server, a monitoring terminal and a remote terminal; a downhole wired sensor network is a CAN bus network composed of a plurality of wired sensors; the CAN bus network is connected with the downhole monitoring access mainframe; and a downhole wireless sensor network is composed of gateway nodes, a plurality of cluster-head nodes, a plurality of wireless sensor nodes and a plurality of movable nodes, wherein, the gateway nodes are connected with a CAN bus of the downhole wired sensor network. In addition, after a fault occurs, the gateway nodes and wired sensor nodes can form a higher-level wireless communication network so as to guarantee communication reliability. The invention is applicable to various mines.

The invention discloses a system and a method for controlling an underground coal mine rescue robot, and relates to the technical field of robot control. The system comprises a communication module, an environment perception module, a self perception module, a barrier avoidance module, a motor drive module, an autonomous navigation module, a data acquisition control module, a visual perception module, a remote monitoring module and an automatic cooling module. The system is provided with a remote monitoring mode and an autonomous navigation mode. The distributed control of a dual-layer network framework is adopted, so that the system is flexible in structure; the number of rescue robots is conveniently adjusted due to the flexibility of combination of optical fiber communication with wireless communication, so that the rescue task can be performed by one or more robots; the running safety of the robot is improved and the intelligent level of the robot is increased due to the remote monitoring and autonomous navigation functions; and the robot control system is guaranteed to run reliably due to the automatic cooling system.

A control-mode switching device includes: a plurality of actuators (2, 6, 7) that conduct different movement; driving means (10, 11, 12, 13, 14, 15) that drive the actuators; a plurality of control levers (22a-22c) that command operation of the driving means; a plurality of limit switches (72a-72e) that detect arrival of the control levers to the proximity of an end of a control range; a mode judging means (controller 23) that judges whether a priority operation mode is taken or not in accordance with a combination of on/off conditions of the limit switches; and a drive controlling means (controller 23) that, when it is judged by the mode judging means that the priority operation mode is taken, controls the driving means so that an output of selected one or more of the driving means becomes larger than that in a normal mode or the power ratio as compared with the other driving means becomes larger.

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.

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.

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.

The invention relates to a mine water bursting disaster monitoring and early-warning system. The system comprises an in-situ measurement subsystem, a data acquisition subsystem, a data transmission control subsystem and a data and warning release subsystem. The in-situ measurement subsystem is connected to the data acquisition subsystem by a communication system, data input and output ports of the data acquisition subsystem are connected with the data input and output ports of the data transmission control subsystem by the communication system to realize bidirectional data transmission, and the data transmission subsystem is connected with the data and warning release subsystem by a computer network. The invention also relates to a control method of the mine water bursting disaster monitoring and early-warning system.

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.

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.

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.

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.

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.

A universal strut clamping device preferably made from steel components and is utilized as a load bearing support for conduits and the like. This clamping device, which is always used in pairs, is comprised of a single baseplate with an attached strut locating guide and further including an aperture for a longitudinally installed threaded rod which will be used to attach to a building member and further compress a preformed metallic strut between each clamping device. The versatility of this support allows the installer the options of attaching the strut bracket rigidly to a wall, floor or ceiling in a cantilever configuration, or suspending it from a building structure by a single threaded rod as a vertical trapeze.