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 a carbon deposit detergent for a gasoline direct injection engine combustion chamber. The carbon deposit detergent is prepared from the following components in parts by weight:12 to 25 parts of 2-methyl-2,4-pentendiol, 15 to 25 parts of propanediol butyl ether, 12 to 25 parts of methylbenzene, 10 to 20 parts of xylene, 0.5 to 5 parts of preservative, 2 to 8 parts of N-methyl pyrrolidone, 4.5 to 12 parts of dispersing agent, 3 to 15 parts of organic alkali, 2 to 15 parts of polyether polyols, and 0.3 to 3 parts of lubricating agent. The carbon deposit detergent for thegasoline direct injection engine combustion chamber is good in cleaning effect, high in cleaning efficiency, harmless to a ternary catalytic converter, and capable of effectively cleaning the carbon deposit in the combustion chamber, optimizing the air inlet amount, improving the utilization efficiency of the fuel oil and improving the current situation of difficulty in cold starting.

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 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 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 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 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 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 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.