61results about How to "Quick orientation" patented technology

The invention discloses an improved method for preparing superfine high length-diameter-ratio anhydrous calcium sulfate crystal whiskers by using a hydrothermal process and belongs to the technical field of preparation of inorganic chemical materials. The improved method for preparing the superfine high length-diameter-ratio anhydrous calcium sulfate crystal whiskers by using the hydrothermal process takes calcium sulphate dihydrate as the raw material and comprises the following steps: firstly activating and roasting at the low temperature to prepare active calcium sulfate hemihydrates, subsequently doping, acidizing, hydrating and drying to prepare a quick-soluble calcium sulfate hemihydrates precursor with the structure defects; then adding the precursor into a saturated calcium sulphate liquid containing a chaotropic agent and a polar solvent, carrying out hydrothermal reaction at 100-200 DEG C for 2-20 minutes, cooling, filtering, washing and drying to prepare superfine high length-diameter-ratio calcium sulfate hemihydrate crystal whiskers with diameter of 0.005-10 microns, length of 10-5000 microns, length-diameter-ratio of 100-10000, and main content of greater than 95%; then mixing the calcium sulfate hemihydrates crystal whiskers with a trace solvent, roasting at 600-800 DEG C for 1-6 hours, cooling, filtering, washing and drying to prepare the superfine high length-diameter-ratio anhydrous calcium sulfate crystal whiskers with appearance which is as same as that of the calcium sulfate hemihydrates crystal whiskers and main content of greater than 95wt%. The improved method for preparing the superfine high length-diameter-ratio anhydrous calcium sulfate crystal whiskers by using the hydrothermal process is rapid and simple in process and low in costs; and the prepared superfine high length-diameter-ratio anhydrous calcium sulfate crystal whiskers can be used as reinforcement materials.

The invention discloses an automatic QR (quick response) code positioning and orientating method. The method includes: converting an input image into a grayscale image; binarizing the grayscale image by the self-adaptive threshold algorithm to eliminate noise interference; extracting an grayscale image edge according to an Sobel operator; extracting a profile sequence from the edge by the chain code tracing algorithm; filtering a rectangular profile, filtering a view-finding image from the rectangular profile sequency, and judging whether the image has a QR code or not; and correcting and dividing the QR code. By the automatic QR code positioning and orientating method, QR code positioning and orientating can be realized quickly and accurately in a robustness manner, and QR codes can be extracted from images without manual operations, so that manpower cost and time are saved greatly. The automatic QR code positioning and orientating method is applicable to industrial informationization and automation and has wide application prospect.

The invention relates to the field of the exploitation and development of oil and gas fields, and in particular relates to an inclined shaft core fissure orientation method. The method is characterized by comprising the following steps: on the basis of drilling data, calculating well deviation information of a coring interval, calculating the real attitude of a rock stratum according to earthquake data, determining an apparent dip of the core fissure and an angle between the fissure apparent inclination and apparent inclination of the rock stratum according to the core data, designing an inclined shaft core fissure orientation concept on the basis, deriving a corresponding algorithm, and realizing the accurate orientation of the core fissure. By adopting the method, the problem that the inclined shaft core fissure cannot be orientated can be solved, the inclined shaft core fissure orientation accuracy is improved, and the practical value on multiple aspects such as accurately determining the permeation rate advantageous direction of a reservoir stratum of the oil and gas field, the relative position relation of a water filling well and an oil recovery well, direction of ancient stress field in the crack generation period, reasonable layout and development of well networks can be realized.

The invention discloses an aqueous acrylic polyurethane aluminum powder paint, which is composed of a component A and a component B, wherein the component A is composed of, by weight, 35-45% of aqueous hydroxyl acrylic emulsion, 0.3-1% of a defoamer, 20-30% of deionized water, 0.3-1% of a wetting dispersant, 5-15% of a propylene glycol butyl ether, 6-8% of aqueous aluminum powder, 5-10% of an ethylene-vinyl acetate copolymer wax emulsion, 5-15% of water-dispersible cellulose ester solution, and 0.3-1% of a base material wetting agent; and the component B is an isocyanate curing agent. The weight ratio of the component A to the component B is 7-9:1. A paint film formed by the aqueous acrylic polyurethane aluminum powder paint is quick to dry, is glossy and has high brightness. Orientation of the aluminum powder is excellent.

The invention discloses a device for field construction and fast positioning of electric power tower. The device includes a small round chassis, a large round chassis, an operation device, a central light set and an auxiliary positioning device, wherein the central light set is installed on the small round chassis, and the auxiliary positioning device is installed on the operation device. Quick assembly, quick orientation, rapid calibration and rapid positioning at a construction site can be achieved, the optical positioning accuracy is high, errors are small, the device is not affected by wind, rain and dust in the wild, the device is convenient to adjust, disassembly is simple, the occupation space is small after disassembly, the device is convenient to handle, labor and time are saved,and the whole positioning operation can be completed by only one person.

The invention discloses an optical positioning apparatus of a high-voltage pole tower base. The optical positioning apparatus comprises a small round chassis, a big round chassis, an operational device, a center light set installed on the small round chassis and an auxiliary positioning device installed on the operational device. The optical positioning apparatus of the high-voltage pole tower base can be quickly assembled, calibrated and positioned at a construction field, the optical positioning precision is high, errors are small, the optical positioning apparatus of the high-voltage pole tower base is not influenced by field wind, rain and dirt, easy to adjust, convenient to disassemble, and occupies little space after disassembly, carrying is convenient, time and labor are saved, anda people can complete entire positioning operation.

The invention discloses a graphene reinforced ceramic matrix composite material and a preparation method thereof, wherein the reinforcement body of the composite material comprises directionally arranged graphene, and the volume fraction of the graphene in the composite material is 0.125-1 vol%, the matrix of the composite material is at least one selected from zirconium oxide, silicon nitride andaluminum oxide, and the composite material is formed through 3D photocuring. According to the invention, the directionally arranged graphene reinforced ceramic matrix composite material formed by 3Dphotocuring is provided for the first time, the density of the obtained graphene-reinforced zirconium oxide ceramic reaches up to more than 99%, and the performance of the graphene-reinforced zirconium oxide ceramic is improved by more than 25% compared with the same process with no graphene adding.

The invention relates to a portable device (100) for orienting a fill-level measuring device (201) on a container (200). For this purpose, the portable device (100) can be placed on a surface of the fill-level measuring device (201). By means of a tilt sensor of the portable device (100), the tilt of the portable device (100) and thus also the tilt of the fill-level measuring device (201) can be determined. On the basis of the tilt of the fill-level measuring device, a dimension of the container (200), and a position of the fill-level measuring device (201) in relation to the container (200) or on the basis of a tilt angle of the fill-level measuring device on the container that is to be set, a change of the orientation of the fill-level measuring device that is still required can be determined by a processor of the portable device. Said change of the orientation of the fill-level measuring device that is still required can be displayed on a display device of the portable device. The invention further relates to a fill-level measuring system, to a method, to a program element, to a computer-readable medium, and to the use of a mobile terminal.

The invention discloses an orientating and positioning system of a bogie. The orientating and positioning system is mainly characterized in that a universally-known bogie is improved, and if direction fixing or brake positioning is needed, a user must tread down controllers mounted at the top ends of foot wheels respectively, so that inconvenience is caused due to the fact that the user must repeat actions. A linkage module is connected with a control unit and each of orientating units and positioning units, so that the user only needs to operate the control unit to actuate all of the orientating units and the positioning units, and the user can quickly orientate or position the bogie without repeatedly treading down brakes at the top ends of the foot wheels respectively.

The invention discloses a preparation method of a diamond grinding wheel with orderly-arranged crystal orientation abrasives. The preparation method comprises the following steps that a shape controlfilm is prepared by adopting a photoetching technology and adhered to the outer circumferential surface of a substrate, and diamond micro-powder is uniformly sprayed as diamond seeds for subsequent deposition; a layer of amorphous carbon is deposited on the diamond seeds by adopting an EACVD technology, and crystal orientation is performed on subsequently synthesized diamond abrasive particles; deposition parameters are adjusted, nucleation growth is performed on the abrasive particles to form diamond abrasive particles with {100} crystal surfaces as the top surfaces, {111} crystal surfaces asthe side surfaces and larger exposure heights, a micro grinding unit is formed by the diamond abrasive particles, the amorphous carbon and a diamond bonding layer, and a plurality of micro grinding units are orderly arranged according to a photoetching pattern of the shape control film; and the shape control film is removed through ultrasonic cleaning, gaps between a large number of micro grinding units are micro flow channels, and a grinding wheel finished product is obtained through drying. According to the preparation method, crystal orientation can be performed on the diamond abrasive particles, the abrasives can be arranged orderly, and the grinding performance of the grinding wheel is remarkably improved.

The invention discloses a steel fiber reinforced concrete vibration leveling construction method for bridge deck reinforcement. The construction method comprises the steps of bridge deck finishing, on-site mixing, paving, vibrating and compacting, scraper leveling, joint cutting, anti-sliding treatment, maintenance and the like. A special mixing machine is adopted for on-site mixing and comprises a mixing box and a stirring barrel, the mixing box is provided with a steel fiber feeding hopper, a triangular supporting plate, a concrete feeding hopper and a driving shaft, and the driving shaft is connected with a driving fluted disc and a plug-flow stirring paddle; the driving fluted disc is meshed with a driven fluted disc through a tooth column, the driven fluted disc is connected with a driven roller, and the driven roller is provided with wing plates. The stirring barrel is provided with a discharging pipe, a stirring shaft and a trapezoidal plate; the rotatable wing plates distributed at equal intervals are adopted to form a screening array, disordered steel fibers are rapidly arranged in an oriented mode, the trapezoidal plates basically parallel to the steel fibers are arranged for stirring after oriented arrangement, the contradiction between concrete stirring and steel fiber oriented arrangement is thoroughly solved. The obtained steel fiber reinforced concrete is high in strength.

The invention discloses a sliding directional intelligent control method based on GRU. The sliding directional intelligent control method comprises the steps: 1, onsite initial sample data in slidingdrilling are obtained, classified and integrated, and stored in a database; 2, initial sample data in the database are subjected to data cleaning, the initial sample data after cleaning is subjected to standardization processing, and standardized sample data are obtained after processing; 3, a GRU network model is constructed; and 4, real-time data of sliding drilling is collected and input into the GRU network model, automatic control parameters are generated, and the automatic control parameters are input into a torsional pendulum system to achieve intelligent control. According to the sliding directional intelligent control method, effective and high-quality data are obtained by acquiring, fusing and storing the onsite data and cleaning and standardizing the data, a data generator is designed, GRU model training is performed by utilizing the onsite data to form the GRU network model, the automatic control parameters of sliding directional operation are generated based on the GRU network model, and intelligent decision and control of the torsional pendulum system are realized.

The invention discloses a spar feeding device which comprises a spar supply mechanism, a conveying mechanism and a delivery mechanism; the supply mechanism comprises a tray and a conveying pipe directed to spars; the conveying mechanism comprises a carrying disc or a carrying belt for carrying the spars; carrying holes used for carrying the spars are formed in the periphery of the carrying disc orthe carrying belt; the carrying disc or the carrying belt intermittently rotates and drives one carrying hole at the upper side to be aligned to an outlet of the conveying pipe in the intermittence period of the intermittently rotating carrying disc or carrying belt; and the delivery mechanism comprises a feeding structure which is arranged below the carrying disc or the carrying belt and is usedfor clamping the spar at a material taking work station and delivering the spar. For the spar feeding device provided by the invention, by arranging the supply mechanism, the conveying mechanism andthe delivery mechanism, the supply mechanism realizes continuous supply of directed spars, the conveying mechanism performs further conveying and gradually separates the spars with a special amount, and finally, the delivery mechanism conveys the spars to a corresponding position to finish continuous and accurate conveying of the spars.

The invention discloses a pneumatic pulse type electronic device feeding device. The pneumatic pulse type electronic device feeding device comprises a material vibrating barrel and a material vibrating base. The material vibrating barrel comprises a vibrating barrel bottom wall and a vibrating barrel side wall. The vibrating barrel bottom wall is arranged on the material vibrating base. A material arrangement outlet is formed in the lower end of the vibrating barrel side wall. A material arrangement baffle is arranged at the top of the material arrangement outlet and is parallel with the vibrating barrel bottom wall at the material arrangement outlet. The material vibrating base comprises material vibrating air cylinders, a multichannel solenoid valve and a pulse signal generator, wherein the multichannel solenoid valve is used for controlling the make and break states of an air channel of each material vibrating air cylinder; the pulse signal generator is used for transmitting a control signal to the multichannel solenoid valve; and the material vibrating air cylinders are vertically arranged. By means of the pneumatic pulse type electronic device feeding device, axial vertical placement of ringlike electronic devices can be achieved conveniently, rapidly and efficiently so that machining workers can improve operation efficiency.