11873results 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).

A method and apparatus for providing for real time automated control of the position of a blade on a earth-moving machine. The method includes providing a geography altering machine, including a blade and a computer, the computer having stored therein a reference line and a three dimensional computer model of a desired topography, providing a user defined offset relative to the reference line, determining a blade position in local coordinates, converting the local coordinates to reference line coordinates, utilizing the reference line coordinates and the user defined offset to calculate blade movement commands, and moving the blade in a direction required by the blade movement commands.

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.

A method and apparatus for providing for real time automated control of the position of a blade on a earth-moving machine. The method includes providing a geography altering machine, including a blade and a computer, the computer having stored therein a reference line and a three dimensional computer model of a desired topography, providing a user defined offset relative to the reference line, determining a blade position in local coordinates, converting the local coordinates to reference line coordinates, utilizing the reference line coordinates and the user defined offset to calculate blade movement commands, and moving the blade in a direction required by the blade movement commands.

A clip for a snap-in cable hanger with a top from which at least two clip arm(s) extend and at least one of the clip arm(s) formed with a clip tab projecting proximate a distal end. The top having a length greater than a diameter of the mounting hole and a width dimensioned to fit within a spring space when the snap-in cable hanger is seated upon the mounting hole. The clip arm(s) spaced apart proximate the diameter of the mounting hole, having a length longer than a depth of the mounting hole.

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 belongs to the field of construction safety monitoring and wireless communication and discloses a construction tunnel safety protection method based on a wireless sensor network and a monitoring system thereof. The method is as follows: by acquiring environment, work amount and locating data of personnel in a tunnel, realizing alarming services of six types of dangerous situations and corresponding safety protection means, calling a protection plan to take protection measures on key parts of the system when emergent (dangerous) events occur, and with the purpose of guaranteeing personal safety, releasing a control command. The system comprises a wireless sensor network based on industrial wireless communication standard WIA-PA, a positioning network and a mobile network. If the dangerous situation develops further, the system exchanges data with a remote mobile server by a 3G network, leads a community security system into the range of a construction tunnel safety protection system, and provides united rescue of communities and disaster control services. The invention is used for tunnel construction safety monitoring, and a computer or 3G mobile equipment can obtain construction site information at any time; and the installation of the WIA-PA wireless network is flexible, and the formed safety protection system and sensing early-warning network make contribution to solving the problem of tunnel safety construction fundamentally.

A cable hanger for securing a cable to a supporting structure having an aperture includes: a base panel having opposed ends; a pair of arms, each of the arms attached to a respective end of the base panel and having a free end; and a pair of locking projections, each of the locking projections attached to a respective free end of the arms. The arms and locking projections are configured to spread apart to enable insertion of a cable into a space between the arms, and the locking projections are configured to be inserted into the aperture of the supporting structure. The cable hanger further includes: a pair of tabs extending inwardly from each arm into the space between the arms; and a gripping finger extending generally perpendicularly from each tab and generally tangentially to an outer surface of the cable.

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.

A system and method for retrofitting a propulsion circuit of an existing Off Highway Vehicle to enable the propulsion circuit to operate as a hybrid energy Off Highway Vehicle propulsion circuit. The hybrid propulsion circuit includes a primary power source, and a traction motor for propelling an Off Highway Vehicle in response to the primary electric power. The traction motor has a motoring mode of operation and a power dissipation mode of operation. The traction motor generates dynamic braking electrical power in the power dissipation mode of operation. An electrical energy storage system includes a chopper circuit coupled to an energy storage device. The storage device is responsive to the chopper circuit to selectively store electrical energy generated in the power dissipation mode. The storage system selectively provides secondary electric power from the storage device to traction motor to assist in propelling the Off Highway Vehicle during the motoring mode.

The invention relates to a rock burst predicting and warning method, which effectively and accurately predicts and warns the rock burst and ensures safety in coal production. The rock burst predicting and warning method comprises the following steps of: performing shock bump monitor on a whole coal field, determining the magnitude, and analyzing generation and motion law of the shock bump in the whole coal field; mounting a Poland micro-quake system on upward and downward roads and a main haulageway in the mining area to perform on-line continuous monitor; mounting a micro-quake system probe on a working surface, mounting a micro-quake monitor probe in an important anti-scour area of the working surface to perform overall arrangement, drilling a coal wall or a top plate, placing the probe in the hole bottom and the hole wall, perform electromagnetic radiation monitor on a tailentry and the main haulageway by using an electromagnetic radiometer to, arranging a monitor probe in the important anti-scour area to perform overall arrangement, monitoring the coal pressure, and inputting the monitored parameters into a computer to perform comprehensive analysis, so as to accurately predict the rock burst. Various items of monitor are integrated together, the predicting and warning accuracy is increased, and the rock burst predicting and warning method provides the technical support for eliminating the rock burst condition and reducing the loss due to rock burst.

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.

The present invention discloses methods and system for coal mine downhole personnel locating and mash gas concentration dynamic monitoring, the system includes: CAN bus network, wireless sensor network and data conversion device. CAN network connects with wireless transducing network connections by data switching device, and by using wireless sensor network self-organizing, multi- skip, data acquisition and processing, and wireless communicating characteristic, the invention designs a system about out-in well personnel work attendance and moving vehicle zone location in coal mine well, and a system for monitoring gas dynamic concentration. The system and method overcome the current deficiency of operating gas monitoring system and personnel position location system respectively, not only personnel zone location and dynamic gas testing is realized, but also allocation is obtained about personnel arrangement and moving mechanical equipment before the accident, this provides reliable data for rescuing miner and avoiding second disaster.

A transmission line hanger is provided for attaching a corrugated transmission line to a supporting structure. The hanger includes a first section adapted to engage a first side of the transmission line and a second section adapted to engage a second side of the transmission line. The first and second sections define an inner generally cylindrical the gripping ribs forms a protrusion extending radially inward from the inner generally cylindrical surface. The gripping ribs are spaced to fit into corresponding recesses in the corrugated outer surface of the transmission line. In another embodiment, the hanger further includes a snap clasp having two elements. The first element is a lip on the exterior of the hanger. The second element is a latch having three sides. In still another embodiment, the hanger includes a first alignment pin and a first mating recess on the fist section and a second alignment pin and a second mating recess on the second section. The first recess being adapted to receive the second alignment pin and the first alignment pin being adapted to fit in the second mating recess to align the first section with the second section.

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.

A clip for a snap-in cable hanger with a top from which at least two clip arm(s) extend and at least one of the clip arm(s) formed with a clip tab projecting proximate a distal end. The top having a length greater than a diameter of the mounting hole and a width dimensioned to fit within a spring space when the snap-in cable hanger is seated upon the mounting hole. The clip arm(s) spaced apart proximate the diameter of the mounting hole, having a length longer than a depth of the mounting hole.