1096results about "Earth drilling and mining" patented technology

There is disclosed a wheeled vehicle (10) adapted to be driven in a primary direction or an opposite secondary direction. The vehicle has a vehicle platform (32), and a group of vehicle components rotatably mounted on the platform which are rotatable as a group through 180 degrees relative to the platform. The group of components includes a driver's seat (38), steering wheel (40), foot pedals (42) and instrument console (44). Rotation of the group of components enables the driver's seat (and hence the driver) to face in the primary direction or secondary direction.

The tunnel pipe trasporting installation vehicle is formed from tractor truck, pipe-carrying vehicle and electric and hydraulic control system. The tractor truck in cludes chassis, driven wheel groupand driving wheel group, power device and speed reducer, cabin, track-cleaning device, warning signal light and headlight; the pipe-carrying vehicle includes front wheel group, front platform, pipe-carrying vehicle beam, lifting wheel group, lifting tyre group, supporting device, pipe-carrying carriage on the pipe-carrying vehicle beam and pipe-carrying lifting device; the described hydraulic control system includes tractor truck static pressure transmission system and hydraulic control system of pipe-carrying vehicle. Said vehicle is compact in structure, stable in operation, can transport, lift and install large-diameter PCCP pipe.

The present method relates to a method of determining a route for automatically controlling a mobile mining machine. The route is determined computer-aidedly by executing, by a data processing machine configured for generating routes, the following steps of: retrieving an environment model comprising wall location data, receiving from a user at least an input for determining a starting point of the route and an input for determining an end point of the route, determining the route between the starting point and the end point on the basis of the environment model and data concerning properties of the mining machine, wherein the route is determined as route points at least for which position data are calculated, and storing the data determining the route to be used for automatically guiding the mining machine.

The invention discloses a coal feeder type main shaft bucket standard weight device provided with a weighing device on the existing belt conveyor type coal feeder in mines, without occupying other space. The weighing device comprises: an instantaneous weighing device connected with a conveyer belt, a speed sensor connected with a driven roller and a calculator installed outside a machine; the calculator is connected with an inlet valve of a feed inlet by a signal wire. The instantaneous weighing device comprises: a weighing bridge, a weighing sensor, a weighing roller, and the like; the weighing bridge is in floating mode, which floats up and down along with the material weight change at the upper part of the conveyor belt; the weighing sensor connected with the weighing roller and the speed sensor connected with the driven roller input signals into the calculator for calculation so as to calculate the weight of transported material on the conveyor belt in a period of time. When the bucket standard weight load is reached, the calculator sends out signals to close a feed valve so as to realize continuous and uninterrupted bucket standard weight loading.

A battery powered shuttle car (10) incorporates features and components that facilitate use and operation and effect efficient application in a mining environment. The shuttle car (10) incorporates at least one battery (20) that is secured to the vehicle frame (11) between one of a left front wheel (17) and a left rear wheel (17) or the right front wheel (17) and the right rear wheel (17). A battery change-over mechanism (51) facilitates battery replacement. Additionally, the shuttle car (10) may be provided with an integral discharge end (81) having a substantially fixed height (82). A full load indicator mechanism (83) provides an indication when the conveyor (16) is substantially full to maximize use and operation of the shuttle car (10).

The invention provides a self-portable belt conveyer, which comprises a belt conveying machine head, a hydraulic belt tightener, a belt conveyer middle part, a belt conveyer tail and a belt and is characterized in that the belt conveyer also comprises the belt conveying machine head and a dragging device connected with the hydraulic belt tightener; the machine head of the belt conveyer is the self-portable belt machine head, has the functions of free-installation and dismantling, easy maintenance, constructor reduction, labor intensity of constructor reduction, increasing working performance, creating safe operating environment, self moving a hydraulic dram tightening belt, free drag of tightening system and the like, and has the advantages of good explosion prevention and safe performance, high flexibility and the like. The self-portable belt conveyer increases the transportation technology of coal mine underground coal and rock, provides unitized technical equipment for coal mine coal and rock transportation system, and creates the fundamental conditions for realizing the safe production of big, medium and small-size coal mines.

The invention relates to belt conveyer self moving discharge end. It includes middle frame, head end frame, tail end frame, float frame, walk dolly, hydraulic mechanism, maneuvering valve set, column oil cylinder, passage oil cylinder, level oil cylinder, float cylinder, carrying roller assembly, screw drum, slide shoe, slide seat, and base seat. The middle frame, head end frame, tail end frame, float frame, and the walk dolly are connected wholly. The float frame can make the self moving discharge end be transition join with the belt conveyer. The tail end frame adopts left-right screw drums to squeeze out the sewage. While self moving, the joint between the walk dolly and the lower of the loading mechanism end is used as fulcrum; the slide seat, base seat, column oil cylinder are used as support to process oil cylinder stretching to make whole machine move forward that once self moving travel can reach 2.7m. The column oil cylinder can adjust the height for the complete machine. Thus the invention has the advantages of compact structure, large force, safe flameproof, stable and reliable etc.

A system and method for securely joining a high melting temperature material and a backing substrate using a mechanical connection includes a backing substrate integrally formed with a material positioned inside a dovetail recess in the high melting temperature material, mechanically fixing the backing substrate to the high melting temperature material without fusion or bonding of the microstructure.

The present invention relates to an automated continuous haulage apparatus and method designed for use in underground environment. Each mobile bridge carrier (10) contains distance measurement (70) and angular position (74) means for determining the mobile bridge carrier's (10) position and the angular position of attached piggyback conveyors (30). Means for determining the ceiling height (76) are utilized to adjust the height of the piggyback conveyors (30). On each mobile bridge carrier (10), input from the various sensors is received by an electronic controller (80) that calculates the position and orientation of the bridge carrier (10) and attached piggyback conveyors (30). The controller then plans an optimal path of movement for the bridge carrier (10) and computes the rate of movement for each independently operated track assembly on the bridge carrier such that the bridge carrier (10) and piggyback conveyors (30) arrive as close as possible to the planned path.

The invention relates to a walking running device for a self-advancing tail, which mainly comprises a body, running oil cylinders, lifting oil cylinders, oil cylinder holders, a roller frame, guide rails, a floating carrier roller, a movable trolley base and a hydraulic mechanism. Aiming at the actual situation that the self-advancing tail is 20 meters long, 1.5 meters high and 40 tons heavy and is difficult to move, traction movement is changed into walking running movement, a high-power hydraulic power is adopted, the lifting oil cylinders are symmetrically arranged on the left, right, front, middle and rear of the body, the guide rails and the running oil cylinders are arranged on left and right sides of the body; and when the body is lifted, the guide rails are pulled and pushed by the running oil cylinders synchronously to slide forwards, so that the function of walking and running synchronously is realized, wherein the lifting height of the body is 220 millimeters, the displacement at each stroke is 1,200 millimeters, and the power of the lifting oil cylinders and the running oil cylinders is 31.5 MPa. The self-advancing tail can move forwards in a left-to-right or right-to-left manner, and the walking running device is advanced in design, reasonable in arrangement, convenient for operation, safe, stable and reliable.

The invention relates to a conveyer, in particular to a corner-crossing transfer conveyer which comprises a left walking part, a right walking part, a front conveyer, a middle conveyer, a tail conveyer and a hydraulic system, wherein a stand is arranged on the left walking part and the right walking part, a rotary table which can be rotated for 90 degrees left and right is arranged at the front part of the conveyer, the front conveyer is arranged on the rotary table, the middle conveyer is arranged between the left walking part and the right walking part, and the tail conveyer is hung at the tail part of the conveyer. The front conveyer and the tail conveyer are both of telescopic belt conveyers, and conveying distances of the front conveyer and the tail conveyer can be regulated. The invention changes the lagging production mode that coals at the corners need to be shoveled by manpower in the original drifting process, realizes the mechanical production, greatly improves the conveying speed of coals, lightens the labor intensity of workers, saves the manpower, and can be used at both corners and straight tunnels.

The invention discloses a movable pulley traction connecting device of an inclined roadway winch used for transportation of a hydraulic support. The movable pulley traction connecting device comprises an auxiliary transport cart and a movable pulley unit, and is characterized in that a support connecting plate of a support connecting seat is vertically formed by welding a transverse plate to a vertical plate, a connecting hole is formed in the front end of the support connecting plate, and a limiting pin shaft hole is formed in the back end of the support connecting plate; the transverse plate is inserted into a gap between support connecting rods and a top beam, the vertical plate is inserted into a gap between two support connecting rods at the back part of the hydraulic support, the limiting pin shaft hole is exposed on the inner sides of the support connecting rods, a connecting rod spacer pin is arranged in the limiting pin shaft hole, so that the support connecting seat is connected to the support connecting rods; a middle connector is formed by hinging a front connecting piece to a back connecting piece through a middle pin shaft, the front connecting piece is connected to the connecting hole at the back end of the movable pulley unit, and the back connecting piece is connected with the support connecting seat; when the support is transported, a wire rope surrounds the movable pulley unit, and the end of the rope is fixed nearby the winch, so that the transportation capacity of the winch is doubled to meet overall transportation requirements of some heavy supports.

The invention relates to a storage battery shield hauler which mainly comprises a shovel plate mechanism, a front stander, an articulated frame, a middle stander, a back stander, a battery rack, direct current storage batteries, front and rear wheels, electric cabinets, a cab, a hydraulic pump station, a fuel tank, an erector, a rotary supporting frame, a locking rod, lifting, pushing and steering oil cylinders, a shovel plate, front and rear drive axles, front and rear running motors and speed reduction mechanisms. The high-power direct current storage batteries are used to supply power, and the cab controls electric appliances, mechanical and hydraulic mechanisms to complete various functions; and the batteries with the weight of 10 tons can not only supply direct current power, but also play a role in counterweight and balance. The ideal storage battery shield hauler is advanced in design and compact in structure, does not pollute environment, is safe, stable, reliable, energy-saving and environmental-friendly, and provides clean energy.

The invention discloses a reliability robust design method for a multi-failure mode of a superdeep well lifting container. The method includes the following steps of (1) determining structural parameters, material properties and dynamic load randomness of the lifting container, and adopting an experiment design method for figuring out a random response to a structure failure under random parameters; (2) according to a failure criterion of the lifting container, creating a reliability performance function under each failure mode; (3) taking the probability correlation among the failure modes into account, and adopting a copula theory for creating a combined probability model of correlative failures; (4) creating a system reliability model correlative with failures of the lifting container under the combination of the combined probability model; (5) creating a sensitivity model of the system reliability of the lifting container for each random parameter; (6) under the combination of an optimization design model, creating a lifting container reliability robust optimization design model with the combined failure probability and parameter sensitivity as constrains.

The invention discloses a fully mechanized mining hydraulic support installation and transport truck. A cross beam and a loading plate are arranged between the left and right longitudinal beams of a frame; the front and rear parts of the loading plate are provided with two lifting driving devices respectively; a hydraulic stretching wedge is arranged on each of the left and right sides inside the loading plate respectively; an axial hole is formed in the middle of the loading plate; a rotating plate shaft in the axial hole is provided with a rotating plate; balls are uniformly distributed in the groove between the rotating plate and the loading plate; the external sides of the left and right longitudinal beams are connected with two trough push-pull frames respectively; a sliding block is arranged in the groove of each push-pull frame; and pull frame hydraulic cylinders are connected between the sliding blocks and the rear ends of the push-pull frames. Both the front and rear sides of the loading board can lift, the left and right sides of the loading board are provided with the hydraulic stretching wedge respectively, and the left and right pull frame hydraulic cylinders are outside the left and right horizontal longitudinal beams, so that the loading, unloading and transportation of the fully mechanized mining hydraulic support are facilitated; a rotating plate is arranged above the loading plate to facilitate the fully mechanized mining hydraulic support on the truck to turn easily; and the fully mechanized mining hydraulic support is provided with a fastening device to facilitate the fully mechanized mining hydraulic support to be fastened on the truck.