51results about How to "Good speed-up effect" patented technology

The invention relates to a permanent magnet suspension electromagnetic ejection platform for an airplane and belongs to the technical field of magnetic suspension. The permanent magnet suspension electromagnetic ejection platform for the airplane is mainly characterized in that two groups of powerful repellent rare earth permanent magnets 11 are used to produce suspension force, and the repulsion of four groups of electret combined magnets 5, 8 and19, a ranging probe 7 and an automatic system 2 are used to solve the problems on weight of an airplane and attenuation of magnetic force to match the balance of suspension force; the four groups of electret combined magnets are arranged among the side wall and two wings of the permanent magnet suspension electromagnetic ejection platform (thereafter platform for short) for the airplane, and the strong push force of each linear motor symmetrically acts on the two sides of a guide rail to solve the problems on guide, drive and stabilizing functions 6, 18,9, 10; the figure 2 is shown as follows: the above groups of magnets and the linear motors are symmetrically mounted on the side wall, the permanent magnet under the two wings of the platform on the guide rails and the basic magnetic rail repel each other to form 10 tons of suspension force per meter; the platform is designed generally to be 20 meters long; the total suspension force of the platform is up to 200 tons and can eject the airplane which is about 200 tons, so that more than 90% of the take-off oil consumption of the airplane can be saved.

The invention discloses an energy-saving and environment-friendly diesel fuel additive, which relates to a chemical product, and is characterized in that the diesel fuel additive comprises the following raw materials in percentage by weight: 8 to 15 percent of industrial alcohol, 8 to 15 percent of aviation kerosene, 1 to 3 percent of ferrocene, 8 to 10 percent of accelerator, 50 to 65 percent of combustion catalyst and 5 to 10 percent of stabilizer; and the diesel fuel additive is prepared through the steps of adding the raw materials into a dispersion pot proportionately and then evenly stirring the raw materials. Through adding 8 percent of the energy-saving and environment-friendly diesel fuel additive into diesel fuel, the quality of the diesel fuel can effectively be improved, the cetane number of the diesel fuel can be improved, the flammability of the diesel fuel can be improved, the carbon deposit in an engine cylinder can be reduced, the dynamic property of an engine can be reduced, and the emission of harmful materials in tail gas of the engine can be reduced, therefore, the energy-saving and environment-friendly diesel fuel additive has obvious economic benefits and social benefits.

The invention discloses an improved modularized multi-level current converter equivalent method. Through distinguishing a semi-bridge sub-module working state in system normal operating and starting or failure, Thevenin equivalent is performed on a bridge arm while a system is positioned in a normal operating stage and a starting stage or the failure happens, and a locking condition and an non-locking condition are comprehensively considered, the improved modularized multi-level current converter equivalent method which is different from a bridge arm equivalent method only considering the system normal operating state is provided. While a semi-bridge sub-module is locked, a direction of a bridge arm current is frequently changed, and a diode is faced with a numerical interpolation problem,so the bridge arm current is caused to generate a distortion point. The method is capable of, while the semi-bridge sub-module is locked, modeling by using a built-in diode in PSCAD simulation software, enabling the numerical interpolation problem of the diode to be effectively solved, improving simulation precision, and apparent in acceleration effect. The method has the advantages of scientificrationality, simple calculation, convenient and easy operation, strong applicability, high simulation precision, and good acceleration effect.

The invention provides a torsion impactor based on a turbine and a gear, which solves the sticky-slip vibration produced by a drill bit in a drilling process. The torsion impactor based on the turbineand the gear is characterized in that the torsion impactor consists of a turbine assembly, an adapter substitute and an impact assembly, wherein the turbine assembly generates high-speed rotary motion under the impact effect of drilling fluid to further drive a flange driving shaft to rotate; on one hand, the flange driving shaft drives an eccentric impact hammer to rotate at a high speed by virtue of a driving shaft and a driving pin; on the other hand, the flange driving shaft drives an outer gear to rotate to be engaged with an inner gear shell, a lower rotation speed is transferred to the inner gear shell to drive the impact driving shaft to rotate at a lower rotation speed; and a rotation speed difference is formed between the impact driving shaft and an eccentric impact block, an impact effect is generated, and the torsion vibration produced by the collision is transferred to a lower joint by virtue of the impact driving shaft. The torsion impactor can continuously produce thetorsion impact vibration, so that the rock breaking efficiency of the drill bit is increased, and the jamming of drilling tool and the sticky-slip phenomenon can be effectively avoided.

The invention discloses a statistical correlation based quick mutual information image matching method. The statistical correlation based quick mutual information image matching method comprises the following steps: calculating and storing a histogram and entropy of each of a measured drawing and a first position datum subgraph as well as a joint-histogram, joint entropy and mutual information of the measured drawing and the first position datum subgraph through a traditional method; in a traversal searching process, calculating the histogram and the entropy of the current position datum subgraph as well as the joint entropy of the current position datum subgraph and the measured drawing through a difference method by utilizing dependency of adjacent datum subgraphes and taking the histogram and the entropy of the previous position datum subgraph as well as the joint entropy of the previous position datum subgraph and the measured drawing as datum, and calculating mutual information; and finally, finding the position with a maximal mutual information value among all searched positions as a final matching positioning result. Except from the first position datum subgraph, histograms, entropy and joint entropy of other position subgraphes are sequentially obtained through the difference method, so that mutual information matching speed is increased while matching precision is guaranteed. Besides, the statistical correlation based quick mutual information image matching method can be combined with an existing method, so that the matching speed is increased through various ways.

The invention provides a differential torsion impactor based on a screw and a gear, which solves the sticky-slip and vibration phenomenon produced by a drill bit in the drilling process. The differential torsion impactor based on the screw and the gear is characterized in that the differential torsion impactor consists of a power assembly, an universal shaft assembly, a drive assembly and an impact assembly, wherein the upper portion of the power assembly is connected with a drill stem, the lower portion is successively connected with the universal shaft assembly, the drive assembly and the impact assembly, and the power assembly drives a flange driving shaft to rotate; and on one hand, the flange drive shaft drives an eccentric impact hammer to rotate at a high speed by virtue of a driveshaft and a drive pin, on the other hand, an outer gear is driven to rotate and engage with an inner gear shell, a lower rotation speed is transferred to the inner gear shell to drive the impact driveshaft to rotate at a lower rotation speed, so that the drive shaft forms a rotation speed difference with an eccentric impact block to generate an impact effect, and the torsion vibration generated by the collision is transferred to a lower connector by virtue of the impact drive shaft. The differential torsion impactor can continuously produce torsion impact vibration, so that the rock breakingefficiency of the drill bit can be increased, and the jamming of drill tool and sticky-slip phenomenon can be effectively avoided.

The invention discloses a drill bit type selection method and a drill bit type selection device, APPARATUS AND STORAGE MEDIUM. The method comprises the following steps: acquiring and counting use parameters of at least one drill bit used in an appointed stratum of a region, and respectively carrying out at least one evaluation operation on all the drill bits to obtain a multi-parameter evaluationindex value matrix and a single-parameter evaluation index value matrix; and performing normalization processing and de-weighting processing respectively, endowing weights, and finally calculating a comprehensive vector of an evaluation index value matrix according to a nonlinear fuzzy optimization theory to obtain a final evaluation index value corresponding to each drill bit. The drill bit modelselection accuracy can be improved, the advantages of various drill bit model selection methods are considered, the optimal fast drilling target is achieved, the optimized drill bit acceleration effect is obvious, the field popularization and application prospects are wide, and the method has the important significance on drilling acceleration and efficiency improvement.

The invention belongs to the technical field of ornamental horticultural plant breeding and particularly relates to a method for promoting the germination of sweet osmanthus seeds. The method is characterized in that the sweet osmanthus seeds are stratified in wet sand and treated with NaOH so that the dormancy of the sweet osmanthus seeds is broken and the germination of the sweet osmanthus seeds is accelerated. By adopting the method provided by the invention, the germination time of the sweet osmanthus seeds can be shortened effectively, and the cost can be reduced. The method is simple, is easy to operate and conforms to the production practice requirement.

The invention provides a one-way impacter based on a turbine and a spring. The one-way impacter is composed of an upper joint, a turbine assembly, a transmission assembly, a conversion joint, an impact assembly and a lower joint. The upper portion of the upper joint is connected with a drill pipe, and the lower portion of the upper joint is connected with a transmission shell, the conversion jointand the lower joint in sequence. The lower portion of the lower joint is connected with a drill bit, and turbine rotors generate a high-speed rotary motion under the impact effect of drilling fluid to sequentially drive a turbine shaft, a transmission shaft, a hammer body fixed cavity and an impact hammer to rotate. The impact hammer rotates and collides with the lower joint to generate impact torsional vibration. According to the one-way impacter based on the turbine and the spring, the impact hammer is symmetrically placed about the axis of the hammer body fixed cavity, and one time of rotation of the impact hammer can provide two times of torsional vibration impact effects, and the impact hammer continuously generates periodic circumferential collisions with the lower joint under the action of the spring force. The rotation and impact which are generated by the one-way impacter are transmitted to the drill bit through the lower joint, so that the drill bit generates high-frequencyone-way circumferential vibration, the occurrence of sticking of the drill bit and stick-slip is further avoided effectively, and the drilling efficiency is improved.

The invention provides an impeller type differential torque impactor, and solves the phenomenon of sticky slip and vibration produced by a drilling bit in a drilling process. The technical scheme of the impeller type differential torque impactor is that the impeller type differential torque impactor consists of an upper joint, a power assembly, an impact assembly and a lower joint, wherein the upper part of the upper joint is connected with a drilling rod while the lower part of the upper joint is connected with the power assembly; the power assembly produces high-speed rotation motion under an impact effect of drilling fluid so as to drive a flange transmission shaft to be rotated; the flange transmission shaft drives an eccentric impact hammer to be rotated at high speed through a transmission shaft and a transmission pin and also drives an outer gear to be rotated, the outer gear is meshed with an inner gear shell, and lower rotation speed is transmitted to the inner gear shell, sothat an impact transmission shaft is driven to be rotated at lower rotation speed, a rotation speed difference between the impact transmission shaft and an eccentric impact block is formed, and an impact effect is produced to transmit torsional vibration produced by collision to the lower joint through the impact transmission shaft. According to the impeller type differential torque impacter disclosed by the invention, torsional impact and vibration can be continuously produced, so that the rock breaking efficiency of the drilling bit is improved, and the phenomenon of drilling sticking and sticky slip can be effectively avoided.

The invention provides a hydraulic impact drill bit with rolling teeth. The hydraulic impact drill bit comprises a rotary disc track, a drill bit body, a first spiral blade, a rotary disc, a flow limiting disc, an impact hammer, a spring, a second spiral blade, a straight rod, a hollow cavity, the rolling teeth, a chain, a connecting gear, a drill bit body, a protrusion, a hollow bevel gear, a sealing ring, a water hole, cutting teeth, a bearing, a small gear, a large gear and bevel teeth. According to the hydraulic impact drill bit, by rotating the rolling teeth, heat and abrasion are reduced, the service life of the drill bit is prolonged, an impact tool is installed, and the well drilling efficiency is improved.

The invention relates to highly-efficient environment-friendly energy-saving diesel additive which is characterized by comprising the following components by weight: 20-40 percent of succimide, 30-45 percent of dicyclopentadienyl iron, 20-30 percent of wax, 0.5-1.5 percent of accelerant and 0.5-1.5 percent of catalyst. The highly-efficient environment-friendly energy-saving diesel additive has reasonable and scientific assembly, can effectively improve the diesel quality, increases the diesel octane number, improves the combustibility, can be fully combusted along with fuel without generating settlement or residual and has remarkable fuel-saving effect, no side effect and bad influence on other characteristics of the fuel, stable property, no decomposition in air, higher boiling point, hard evaporation and loss, nontoxicity and no pollution to the environment. The popularization and the application of the highly-efficient environment-friendly energy-saving diesel additive are favorable to the vehicle running, save the diesel remarkably, can reduce the emission pollution of the engine tail gas, lowers the operation cost of the engine and has better economic and social benefits.

The invention discloses a fully-degradable material for shopping bags, mulching films and greenhouse films and a preparation method of the fully-degradable material, and relates to the technical fieldof film production. The preparation method comprises the steps: adopting modified polyvinyl alcohol and modified vegetable gelatin or chitosan as main raw materials, adding a cross-linking agent, a waterproofing agent, a stabilizer, an anti-block agent, polyethylene wax, an antioxidant, a coupling agent and other agents, performing high-speed stirring, performing treatment by using a casting method or granulation through a twin-screw machine, and performing treatment by using a film blowing method so as to obtain the shopping bags, mulching films or greenhouse films. The fully-degradable material for the shopping bags, mulching films and greenhouse films and the preparation method of the fully-degradable material have the advantages that the prepared fully-degradable shopping bags, mulching films and greenhouse films have safety, no toxicity, harmlessness, toughness, softness and smoothness, good elasticity, high transparency, high tensile strength and low price, and traditional plastic products can be replaced completely; easy degradation is achieved, the material can be self-denatured through natural factors, and is decomposed and degraded into small molecular compounds, and thedecomposed products have the effect of soil improvement.

The invention discloses a preparation method for PE regenerated plastic particles. The PE regenerated plastic particles comprise the following raw materials in parts by weight: 60-70 parts of regenerated plastic, 3-5 parts of a compatilizer, 10-15 parts of wood flour, 3-5 parts of an ultraviolet absorbent UV-3, 2-3 parts of a flame retardant, 3-5 parts of a dispersing agent, 6-8 parts of a plasticizer, 3-5 parts of an antibacterial agent, 3-5 parts of a wear-resistant agent, 1-2 parts of an interface modifier and 3-5 parts of nanometer silicon dioxide. According to the invention, the strengthof a polymer material can be effectively improved; the heat stability, the wear resistance and the corrosion resistance of a material are enhanced; the acceleration effect on the PE regenerated plastic particles is obvious; the PE regenerated plastic particle finished product has tensile strength of no less than 35 MPa, elastoplasticity of no less than 300 MPa and bending strength of no less than37 MPa; and the antibacterial property and the wear resistance of the material are improved.

The invention discloses a load balancing method. The method comprises steps: a keepalivednginx master server is detected, and when the keepalivednginx master server is detected to have fault, a keepalivednginx backup server is swcithed; when the keepalivednginx master server is recovered, the keepalivednginx master server is switched back; and before switching or after switching, access of the server at each stage is shunted. Requests at the front end are shunted, obvious speed-up effects are generated for systems with many reading requests, the read requests all fall on other machines, the original main engine only provides a writing request, a specified server is switched seamlessly when a source server has fault through a high available architecture, and continuity of service is ensured.

The invention relates to the technical field of petroleum drilling and production, in particular to an underground rotary guiding device. The device comprises a mandrel, a lower connector, a non-rotary outer barrel, an upper electronic bin assembly, a lower electronic bin assembly, a rotary transformer assembly, an upper bearing assembly, a lower bearing assembly and a hydraulic driving device. The device disclosed by the invention is reasonable and compact in structure, power electricity and data signals in a two-way communication module or an MWD system can be transmitted downwards through the upper electronic bin assembly, axial vibration and swing of the device are reduced through the upper bearing assembly and the lower bearing assembly, a lower communication module transmits the power electricity and the data signals to the hydraulic driving device, so that the lower connector is always located at a predetermined well track, the directional and sliding directing requirements of the device are reduced, the hydraulic driving device feeds back a moving state signal to the ground upwards for an operator to operate, the vertical drilling technology is practically applied, the speed increasing effect is remarkable, the safety and reliability of the system are improved, the circuit complexity and the system loss are reduced, and the transmission efficiency is improved.

The invention discloses a FTTX network planning method based on passive optical network, comprising the following steps: A determining the planning area subscriber density: the subscriber density of the planning area being equal to the subscriber long-term development target of the planning area; B determining the economy radius of the planning area; C dividing the coverage area: obtaining the coverage area by performing the gridding treatment of the prior planning area; D setting the light line terminal node: selecting the gridding center of the light line terminal coverage area as the FTTX network light line terminal node position based on the passive optical network; E determining the economic radius of the optical splitting zone: the radius of the optical splitting zone being equal to the economic radius; F dividing the optical splitting zone: performing the gridding treatment of the prior planning area; G setting the optical splitting point: selecting the gridding center of the optical splitting zone as the FTTX network light line terminal node position based on the passive optical network. The method is easily realized and operated and suitable for planning and building the optical fiber broadband access network of telecom operator, therefore the broadband speed increasing object of the consumer is realized.

The invention belongs to the technical field of doors and windows, particularly relates to a door and window structure, and provides the following scheme for solving the problem that an existing doorand window structure is inconvenient in dust removal. The door and window structure comprises two window frames, coamings and two guide plates are fixed at the top and the bottom of the inner wall ofa window sash, and guide grooves are formed in the top and the bottom of each window frame; and two first grooves and second grooves are formed in the two sides of the bottom of each window frame correspondingly, pulleys are rotatably connected to the inner walls of the first grooves, dust guide plates are fixed in the first grooves, baffles are welded to the two ends of the tops of the dust guideplates, connecting plates are arranged on the inner sides of the dust guide plates, dust pushing plates are fixed to the inner sides of the connecting plates, arc-shaped parts are arranged at the bottoms of the dust pushing plates, and the dust pushing plates make natural contact with the tops of the pulleys. According to the door and window structure, when a window is opened or closed, the pulleys rotate, the dust in separation grooves is adhered to the surfaces of the pulleys, the dust pushing plates scrape the dust on the surfaces of the pulleys, and the dust enters a dust collection box along the dust guide plates to be collected under the inertia effect, so that the effect of convenient cleaning is achieved.

The invention provides an efficient environment-friendly modified alcohol-based composite fuel and a preparation method thereof, and relates to the technical field of environment-friendly fuels. The efficient environment-friendly modified alcohol-based composite fuel provided by the invention is prepared from the following raw materials in percentage by mass: 10 to 30 percent of n-pentane, 10 to 20 percent of methyl tert-butyl ether, 20 to 30 percent of octane, 10 to 20 percent of o-xylene, 10 to 20 percent of m-xylene, 5 to 10 percent of 1, 2, 3-trimethylbenzene, 5 to 33 percent of methanol, 0.2 percent of dimethylacetamide, 0.2 percent of isopropyl nitrate, 0.2 percent of ethylene glycol monomethyl ether, 0.2 percent of diisopropyl ether and 0.2 percent of fatty alcohol. 0.2% of lauryl alcohol and 0.8% of polybasic crude alcohol. The efficient environment-friendly modified alcohol-based composite fuel provided by the invention has excellent stability at a low temperature (-40 DEG C, one month) and is not easy to layer.

The invention relates to a high-frequency torque oscillator in the field of drilling tools. The oscillator comprises an outer shell, a central shaft, a spring device, a punching hammer, an anvil and aturbine, wherein the central shaft is arranged in the outer shell, the central shaft is axially provided with a central pore channel, the punching hammer is arranged on the central shaft and is in sliding and rotary fit with the central shaft through a guide ball, the spring device is arranged between the upper part of the punching hammer and the outer shell, the anvil is arranged in the position, below the punching hammer, of the outer shell, the lower part the central shaft is also provided with a radial bypass hole, and the turbine is arranged on the position, below the bypass hole, of thecentral shaft. The high-frequency torque oscillator has the characteristics of low pressure reduction and obvious effect, can fully meet the drilling process requirements of complex structure wells of vertical wells, directional wells and horizontal wells in China, and is a novel tool with simple structure, convenient operation, low cost, safety and reliability.

The invention relates to a disc spring type axial vibration acceleration tool. The problem that an existing shock absorption effect provided only by hydraulic pressurization is not obvious and a drillbit is prone to drill to unstable is mainly solved. The disc spring type axial vibration acceleration tool is characterized in that the lower end of an upper connector (1) is in threaded connection with an outer shell (3); a lower connector (4) is mounted on a lower boss in the outer shell (3), a lining pipe (2) is mounted in a concave platform at the top end of the inner cavity of the upper connector (1), a disc spring (6) sleeves the lining pipe (2), a nozzle (5) is mounted in the concave platform in the middle of the middle of the upper end of the lower connector (4), and the upper end ofthe lower end of the disc spring (6) abut against the upper end face of the inner cavity of the upper connector (1) and the upper end face of the lower connector (4) respectively. According to the disc spring type axial vibration acceleration tool, the drilling pressure can be effectively applied to the drill bit, the mechanical drilling speed is improved, and stable drilling is facilitated.

The present invention discloses a gas engine which includes body and has burning chamber inside. The body is equipped with mixture gas intake and air outlet connected with burning chamber; the body also has initiator and ignition apparatus connected with inside crankshaft, ignitor connected with magnet motor, noise reducer connected with air outlet slit. Character of it is that body is equipped with controller which can reduce pressure of high-pressure gas, and fill the mixture gas intake with mixture gas of low-pressure gas and air; controller is equipped with startup enrichment-system of quickening engine start, idle speed controlling apparatus of adjusting engines idle speed, air control shutter controlling apparatus of adjusting engine power. Gas engine of the present invention can be started by idle speed quick startup with advantages of operations convenient, quick startup, stable idle speed and good acceleration.

The invention discloses a sports shoe sole supporting piece, a sports shoe sole and a sports shoe. The sneaker sole supporting piece is applied to a sneaker sole, is of a thin plate structure extending in the length direction of the sneaker, and is provided with a bent section at least used for corresponding to the metatarsophalangeal joint part of the foot of a human body; the bent section is concave downwards in the width direction to be arc-shaped. The sneaker sole comprises a midsole, and the sneaker sole supporting piece is arranged in the midsole. The sneaker comprises the sneaker sole and a vamp fixedly connected with the sneaker sole. By the adoption of the technical scheme, the metatarsophalangeal joints can obtain larger energy feedback in the process from dorsal flexion to plantar flexion when an athlete runs, the carbon plate is good in boosting effect and acceleration effect in the athlete movement process, and the economical efficiency is good when the athlete runs.

The invention relates to a hybrid vehicle and its planetary row hybrid power system. The planetary row hybrid power system includes an engine, a planetary row, a main drive motor, an auxiliary motor and a system output shaft. The planetary row has a first transmission component, one of which is The second transmission part, one is the third transmission part, the main drive motor is connected with the first transmission part, the engine is connected with the second transmission part, the auxiliary motor is connected with the third transmission part, and the third transmission part is provided with a first Brake, the second transmission component is provided with a second brake, and the second brake locks the second transmission component when the hybrid power system is in the pure electric driving mode. When the power provided by the main drive motor is less than the required power of the vehicle, the second transmission part is locked by the second brake, the auxiliary motor drives the third transmission part to rotate and drives the planetary wheel to rotate, and the auxiliary motor provides a certain compensation power to realize the complete vehicle. The continuation of power is maintained, and the speed-up performance of the whole vehicle is better.

The invention discloses a fast mutual information image matching method based on statistical correlation. First, the traditional method is used to calculate the respective histograms and entropy of the measured image and the first position reference subimage, and the joint histogram, joint entropy, and mutual information of the two images. Then, during the traversal search process, using the correlation between adjacent reference subgraphs, the histogram, entropy and joint entropy of the previous position reference subgraph are used as the benchmark, and the current value is calculated by the difference method The histogram, entropy and the joint entropy of the position reference subgraph and the actual measurement map, and calculate the mutual information; finally, find out the position with the maximum mutual information value in all search positions as the final matching and positioning result; In addition to a position reference sub-graph, the histogram, entropy and joint entropy of other position sub-graphs are all sequentially obtained based on the difference method, which improves the speed of mutual information matching while ensuring the matching accuracy; in addition, it can also be compared with existing methods. Combine to speed up matching in multiple ways.

The invention discloses a high-energy environment-friendly gasoline additive and relates to a chemical product. The high-energy environment-friendly gasoline additive is characterized by being prepared from the following components in parts by weight: 20-30% of industrial ethanol, 8-12% of an accelerant, 12-16% of a combustion catalyst and 45-55% of a stabilizer. The high-energy environment-friendly gasoline additive is prepared by adding raw materials into a dispersing tank in proportion; and uniformly mixing and stirring the raw materials. The high-energy environment-friendly gasoline additive added into gasoline in a proportion of 8% can accelerate gasoline combustion, so that the dynamic property is improved, accumulated carbon is reduced and emission of harmful substances is reduced,and the high-energy environment-friendly gasoline additive has obvious economical and social benefits.