91results about How to "Speed ​​up fast" patented technology

The invention relates to a remote-sensing image object detection method based on deep learning. The method comprises: using remote-sensing images to construct a related data set, namely an image dataset after classification and labeling on the remote-sensing images and class labels generated through labeling work; building a panchromatic sharpening model based on generative adversarial networks (GAN); building an object detection model based on a deep convolutional neural network, and carrying out end-to-end training on the model through methods of back propagation, random gradient descent and the like; and carrying out end-to-end testing on the built model. The method of the invention has the advantage of high accuracy.

The invention discloses a device for wrapping a shielding copper strip on a cable. The device comprises a supporting seat, a hollow shaft fixed on the supporting seat, a motor with an encoder and a synchronous wheel rotatably arranged at the middle of the hollow shaft; the motor is in transmission with the synchronous wheel through a synchronous belt; the front part of the hollow shaft is sleeved with a hollow tube which rotates synchronously with the synchronous wheel; the hollow tube is sleeved with a copper strip disc which rotates relative to the hollow tube; the copper strip disc includes a copper strip bottom disc and a copper strip clamping disc; the hollow tube is sleeved with a brake wheel fixedly connected with the copper strip bottom disc; the front end of the hollow tube is provided with a copper strip disc locking device; the hollow tube is also sleeved with a shaft disc which rotates synchronously with the synchronous wheel; and a mould sleeve tightening ring is fixed at the front end of the hollow shaft. The device for wrapping the shielding copper strip on the cable of the invention has the advantages of stepless speed regulation, high rotation speed, stable pitches, low noise, fast speed rise, avoidance of oil leakage and high energy utilization rate. According to the device for wrapping the shielding copper strip on the cable, the separate brake wheel is arranged on the copper strip disc, and therefore, the rotation speed of the copper strip disc can be facilitated, and the copper strip can keep a certain tension force, and improvement on product quality can be benefitted.

The disclosed pure hardware discrete system for zero-startup of no-sensor brushless dc motor comprises: a brushless dc motor, a brushless dc motor controller, a feedback compensation circuit, a voltage stabilizing circuit, a filter delay circuit, and a zero-cross detection circuit. This invention bases on back electromotive for zero-cross detection, responds in very short time, reduces calculation load, low cost, high reliable, and 90deg hardware time delay.

The invention relates to a train acceleration device. The train acceleration device comprises a train engine and a carriage body. The train acceleration device is characterized in that the top parts of the train engine and the carriage body are provided with a plurality of brackets; the brackets are provided with flying wings capable of rotating back and forth; and the inside of the train engine is provided with a controller. In marching, the angle of the flying winds is an elevation angle; and the air resistance is converted into lifting force. The weight of the train is lightened to achieve the aim of improving the speed of the train; in braking, the angle of the flying wings is changed to a depression angle; and the air resistance is increased and is converted into the braking force, thereby effectively reducing abrasion of a braking sheet and shortening the braking distance. The train acceleration device has the advantages of rapid acceleration, rapid braking, simple structure, convenient operation, energy conservation and environmental protection.

The invention discloses a novel speed-raising transmission mechanism for an electric motor car, which belongs to a transmission device for an electric bicycle or an electric motorcycle. The middle part close to the rear wheel on the lower end of a frame of the electric motor car is provided with a motor which rotates a gear of a central axis to drive a speed-raising gear to play a role in raising the speed and to drive an overrunning coupler to rotate to work; a belt pulley drives a rear idler to work so as to achieve infinite variable speed effect; and the rear idler rotates a central speed transforming gear, then an axle sliding gear rotated by a sliding gear rotates an axle. The speed-raising transmission mechanism utilizes the overrunning coupler in the belt transmission of the motorcycle; meanwhile, the speed-raising transmission mechanism is combined with the prior speed-change mechanism of the electric motor car or the electric motorcycle to achieve the infinite variable speed. Therefore, the speed-raising transmission mechanism contributes to an ideal electric motor car with the independent motor, stable starting, quick speed raising, strong capacity of climbing, long sliding time and electricity conservation.

The invention discloses a spiral vertical lifting mechanism. The spiral vertical lifting mechanism comprises a bearing plate, lifting posts, upright posts and a driving device, wherein the lifting posts are vertically installed at the bottom of the bearing plate, the upright posts are circumferentially arranged next to the lifting posts, and the driving device is arranged between the bearing plate and the lifting posts and is used for driving the lifting posts to rotate; spiral ridges which are spirally coiled upwards around the lifting posts in a protruded mode are formed on the circumferential surfaces of the lifting posts, and the large diameter of the spiral ridges is greater than the diameter of a common tangent circle of a plurality of upright posts; guide grooves which are formed at equal intervals along the length direction are formed in one side, which faces towards the lifting posts, of each upright post, the guide grooves are formed in a penetrating mode along the direction of the spiral ridges, and the distance between the two adjacent guide grooves is the same as the lead of the spiral ridges; the guide grooves in the plurality of upright posts are arranged in a spiral shape consistent with the spiral ridges along the circumferential direction of the lifting posts; the spiral ridges are matched and arranged in the guide grooves of the plurality of upright posts and can be guided to lift by the guide grooves by virtue of self rotation. The spiral vertical lifting mechanism has the advantages of high lifting speed, light weight, low noise, capability of lubrication, high use safety, long service life and the like.

The present invention provides an antiwear energy-saving agent containing refined mineral oil, zinc dialkyl dithiophosphate and deactivator for lubricating oil, it possesses excellent functions of reducing friction, reducing wear, resisting rust, resisting corrosion and resisting oxidation, and has strong cleaning dispersing power and good extreme pressure resistance and long-acting lubricating property and excellent compatibility with lubricant. This invention also provides its preparation method and application to lubricating oil and soaking field.

The invention discloses a preparing method of a carbon-fiber-gridding-fabric-reinforced composite thermoplastic PP plate. The preparing method is characterized by including the following steps that materials are prepared, wherein carbon-fiber gridding fabric, PP non-woven fabric and a thermoplastic raw material comprising, by mass, 40-50 parts of copolymerization PP, 50-60 parts of common PP, 0.1-0.2 part of main antioxidant, 0.1-0.5 part of auxiliary antioxidant, 0.1 part of light stabilizer, 0.6 part of heat stabilizer, 1.2 parts of color master batches and 0.4 part of mineral oil are prepared; the materials in the formula are added into a mixing machine and fully mixed ready for use; the mixed materials are fed to a drying cabin to be dried ready for use; the dried materials are fed into containing hoppers of three plastic extruding machines respectively, the materials are automatically fed into the three plastic extruding machines through the containing hoppers, melted PP is extruded to form soft piece blanks through the three plastic extruding machines at the same time, and the carbon-fiber gridding fabric and the PP non-woven fabric pre-arranged on composite devices installed above and below the three plastic extruding machines are sequentially led into the portions between pressing rollers of three plastic extruding composite machines respectively to be soaked and laminated to form the composite plate.

The invention relates to a film tearing and laminating device which is used for tearing off a film and laminating the film to a glass plate. The film tearing and laminating device comprises a rack, an X-axis locating mechanism, a Z-axis film laminating mechanism and a Y-axis film tearing mechanism, wherein the rack comprises a cross beam and a base; the cross beam is arranged at the top end of the base; the Y-axis film tearing mechanism comprises a Y-axis power source, a Y-axis linear sliding rail and a film tearing component which is in sliding fit with the Y-axis linear sliding rail and is provided with a film; the Y-axis power source and the Y-axis linear sliding rail are arranged on the base; the Y-axis power source drives the film tearing component to perform reciprocating sliding along the Y-axis linear sliding rail; when the film tearing component moves relative to a laminating head, the laminating head tears off the film. The whole device is rapid in speed increase and high in working efficiency; furthermore, a phenomenon that low laminating precision is caused since the device drives the laminating head to shake can be avoided, and the film and glass plate laminating quality is improved.

The invention provides an instantaneous microwave electric water heater which mainly consists of a heat exchange box and a heater, and comprises the heat exchange box, an inner container, a microwave heating pipe, a heating power adjuster, a temperature controller, a water volume adjusting tap, a trigger, a water inlet pipe and a water outlet pipe, wherein the microwave heating pipe is positioned in the heat exchange box; the water inlet pipe is provided with a plurality of independent coilers which are wound on the microwave heating pipe; the trigger is arranged at the front end of the water inlet pipe; the temperature controller is connected with the heating power adjuster and the water volume adjusting tap; the temperature controller can set a temperature range of discharged water so as to correspondingly adjust the heating power and water inlet rate of the heating power adjuster; a metal fiber radiation-proof layer is arranged on the outer wall of the inner container; the diameter of a fiber is 2-10 microns; a heat preservation layer is arranged between a shell of a water tank and the inner container; and an organic sound-absorption and heat-preservation material is filled. The instantaneous microwave electric water heater has the remarkable effects that heating is realized by microwaves, the sterilizing effect is realized, instant heating can be realized by heating of the plurality of coilers, and the electricity is saved.

The invention provides a double-spindle turn-milling compound numerical control machine capable of significantly improving processing efficiency. The machine comprises a machine base, a first spindle,a second spindle, a first knife tower and a second knife tower, the first spindle is arranged on the machine base, a first clamping sleeve is arranged at the output end of the first spindle, and a first driving oil cylinder used for driving the first clamping sleeve to be loosened or tightened is arranged at the other end of the first spindle; the second spindle is arranged on the base, a secondclamping sleeve is arranged at the output end of the second spindle, a second driving oil cylinder used for driving the second clamping sleeve to be tightened or loosened is arranged at the other endof the second spindle, and the second spindle can slide to reach the first spindle along the machine base so that the first and second clamping sleeves can clamp workpieces of each other; the first knife tower is arranged on one side of the first spindle and can process the workpiece on the first or second spindle; the second knife tower is arranged on the other side of the first spindle and can process the workpiece on the second spindle or the first spindle.

The invention discloses a transmission mechanism comprehensive performance test platform. The transmission mechanism comprehensive performance test platform comprises a to-be-tested transmission mechanism. The test platform comprises power parts, a connecting part, a precision detection part and a supporting part, wherein the power parts, the connecting part, the precision detection part and the transmission part are arranged on the supporting part; the power parts are arranged on two ends of the supporting part, and the transmission mechanism, the connecting part and the precision detection part are arranged between the power parts on two ends of the supporting part; the connecting part is connected with the precision detection part, the connecting part and the precision detection part are arranged on the left side and right side of the transmission mechanism, and the connecting part and the precision detection part disposed on the left side and right side of the transmission mechanism are used for connecting the transmission mechanism and the power parts. The transmission mechanism comprehensive performance test platform is simple and compact in structure, clear in principle, various in measurement performance types, accurate in measurement result, high in working efficiency and high in cost performance.

The invention relates to a dual-rudder multi-powder ship capable of braking. The ship comprises a hull (1), wherein the left side and the right side of the back of the hull (1) are respectively equipped with a left rudder (2) and a right rudder (3), and propelled brakes (4) are arranged on the left rudder (2) and the right rudder (3) respectively. The dual-rudder multi-powder ship has a fast steering speed, and has the functions of hard braking, hard turning and reverse sailing; and the sailing and speed increasing are faster, the navigational speed is also faster, and the reverse astern and turning are more convenient. Due to the fact that the braking and hard turning ability are better, accident engendered due to failing to brake timely and turning can be avoided. The ship is more mobile, flexible and accurate when the ship backs the sails to be aligned with the ship position and small area water area so as to adjust course, and the time consumption is shorter, so that the time which a large ship closes to a wharf and bears off the wharf can be greatly reduced, thereby significantly improving ship turnover ability and transfer capacity of ports.

The invention discloses a crank-connecting rod mechanism for an engine of a miniature cross-country motorcycle. The crank-connecting rod mechanism comprises a left crank, a right crank, a crank pin and a connecting rod, wherein the big head end of the connecting rod is positioned between the left crank and the right crank; the big head end of the connecting rod, the left crank and the right crank are connected with each other through the crank pin; the axial lines of the left crank and the right crank are in the same line and are parallel to the axial line of the crank pin; the distance between the axial lines of the left crank and the right crank and the axial line of the crank pin is 28.5 to 30.5 mm; the diameter of the shaft part of the right crank is 95 to 97 mm; the axial length of the right crank is 64 to 66 mm; and the distance between the centre of an installing hole at the big head end of the connecting rod and the centre of the installing hole at the small head end of the connecting rod is 94.3 to 96.3 mm. By changing a plurality of key parameters of the crank-connecting rod mechanism, the crank-connecting rod mechanism for the engine of the miniature cross-country motorcycle meets the functional requirements on high raising speed, strong explosive power, high torque, high crank rotating speed of the engine of the miniature cross-country motorcycle, and has the characteristics of ingenious conception, simple structure, easy implementation and the like.

The invention discloses an accelerated power generation system and an accelerated power generation control method thereof. The system comprises a supporting base and a power motor, a generator and a bearing seat which are installed on the supporting base. A plurality of sections of transmission shafts which are coaxially arranged are arranged between an output shaft of the power motor and an inputshaft of the generator; each section of transmission shaft is mounted on the supporting base through a plurality of bearing bases; the power motor is in transmission connection with a head end of thetransmission shaft through a first coupler; the generator is in transmission connection with the transmission shaft through a second coupler, multiple stages of flywheels with the diameters graduallyincreased are sequentially installed on the transmission shaft between the power motor and the generator, and a clutch is arranged on the transmission shaft on one side of an input rotor of each stage of flywheel. The rotating speed of the power motor can be rapidly increased, the power motor can be rapidly started under the light load condition, the speed increasing effect is effectively improved, the impact borne by the power motor is reduced, and the service life of the power motor is prolonged.

The invention provides a hybrid microwave water heater, which mainly comprises a heat exchange box and a heater. The hybrid microwave water heater is characterized in that: the interior of the heat exchange box is divided into a microwave heating box and an electric heating box; a microwave heating pipe is positioned in the microwave heating box, a water inlet pipe is formed by winding a plurality of independent coiled pipes on the microwave heating pipe, and a trigger is arranged at the front end of the water inlet pipe; a temperature controller is connected with a heating power adjustor and a water quantity adjusting tap and positioned in the electric heating box; the temperature controller can be used for setting the temperature range of the outlet water and correspondingly adjusting the heating power of the heating power adjustor and the water inlet velocity; a metal fiber radiation-proof layer is arranged on the outer wall of the microwave heating box; and a heat insulation layer is arranged between a shell and an inner container of the microwave heating box. The hybrid microwave water heater for heating by adopting microwave with the aid of electric heating can have sterilization effect, and can realize instant heating by adopting the plurality of coiled pipes for heating.

The invention discloses eco-friendly energy-saving super-gasoline (78#) for haze treatment. The eco-friendly energy-saving super-gasoline comprises 30 to 40% of alkylated gasoline, 15 to 20% of straight-run gasoline, 20 to 25% of an aromatic hydrocarbon, 20 to 25% of carbon olefin, 2 to 5% of a metal purification agent and 0.04% of a MG2000 gasoline accelerator. Gasoline prepared from methyl tert-butyl ether (MTBE) and methylcyclopentadienyl manganese tricarbonyl (MMT) as additives produces a large amount of PM2.5 after burning so that environment is polluted. The eco-friendly energy-saving super-gasoline solves the above problem and is suitable for ordinary vehicles.

The invention belongs to the field of an automobile, and particularly relates to a methanol gasoline additive and a preparation method, and the additive can effectively reduce the swelling corrosion on the automobile. The additive comprises isopropyl ether, phenylpropyl triazole, petroleum ether, ferrocene, fatty acid methyl ester, C2C8 alcohol, benzene, Span-80, triethanolamine, 1,3,5,7-tetraazatricycle, isopropanol, alkylphenol polyether and sulfonate; and the additive is composed of the following components in parts by weight: 0.15-0.67 part of the isopropyl ether, 0.03-0.1 part of the phenylpropyl triazole, 0.01-0.08 part of the petroleum ether, 0.02-0.08 part of the ferrocene, 0.03-0.09 part of the fatty acid methyl ester, 0.2-0.8 part of the C2C8 alcohol, 0.4-0.9 part of the benzene, 0.03-0.09 part of the Span-80, 0.03-0.08 part of the triethanolamine, 0.2-0.7 part of the 1,3,5,7-tetraazatricycle, 0.3-0.8 part of the isopropanol, 0.08-0.16 part of the alkylphenol polyether and 0.02-0.08 part of the sulfonate.

The invention relates to a frequency conversion sub-power high-speed automobile, which comprises a chassis, front wheels and rear wheels. The front wheels and the rear wheels are respectively arranged on two sides of the front end and the rear end of the chassis by wheel shafts, and only a steering mechanism and a steering wheel are arranged between the two front wheels. The frequency conversion sub-power high-speed automobile is characterized in that the wheel shafts of the two front wheels and the two rear wheels are respectively provided with frequency conversion motors which are respectively connected with a frequency conversion control system, and an automobile-mounted storage battery supplies power to the frequency conversion motors and the frequency conversion control system. The invention has the advantages that a power system takes the frequency conversion power motor as main power, and a primary frequency conversion motor and a secondary frequency conversion motor synchronously run at the same speed by an instruction of an operation system through a frequency converter. The new concept sub-power automobile has the advantages of energy saving, environmental protection, safety, convenience, high speed acceleration, good controllability, low noise and the like, and is an automobile regeneration product.

The invention relates to the technical field of test experiment devices, and discloses a wave energy glider hydrodynamic fin test device which comprises a rack and a water tank, the top end of the rack is rotatably connected with a winding drum, a rope is wound on the winding drum, the rope is provided with a tension sensor, a driving unit for driving the winding drum to wind or release the rope is arranged at the top end of the rack, the rope is connected with a tested object, and the tested object can move up and down in the water tank by driving the winding drum to release or wind the rope through the driving unit. According to the invention, the damage condition of each part of the underwater propeller, such as a wing panel, a connecting shaft and a bearing under a high sea condition and the fatigue and wear condition of long-time work can be simulated.

The invention discloses a data transmission method and electronic equipment. The method comprises the following steps: modulating a connection request signal in first electronic equipment into a first pulse sequence with a preset frequency; transmitting the first pulse sequence in an optical communication manner; receiving a second pulse sequence, responding to an optical signal returned by the first pulse sequence, of second electronic equipment; carrying out electric signal conversion and demodulation processing on the second pulse sequence to obtain a reply request signal; establishing data connection between the first electronic equipment and the second electronic equipment according to the reply request signal; transmitting target data in the first electronic equipment on the basis of the data connection. Compared with the prior art in which the process data volume of a handshake protocol is relatively large and the data transmission efficiency is reduced, the data transmission method and the electronic equipment disclosed by the invention realize the purposes of establishing the data connection through the optical communication manner, remarkably accelerating the data connection, namely fast achievement of the shake protocol and further improving the data transmission efficiency.

The invention discloses an automobile exhaust pipe good in noise elimination. The automobile exhaust pipe comprises exhaust pipe bodies. An exhaust pipe gas outlet hole is formed in one side of each exhaust pipe body. Pipe inner bionic grains are installed on one side of each exhaust pipe gas outlet hole. Fixing threaded holes are formed in the side faces of the exhaust pipe gas outlet holes. A steel hoop is installed on one side of each exhaust pipe body. Gas outlet pipes are arranged on one sides of the steel hoops. A gas inlet cooling pipe is installed on one sides of the exhaust pipe bodies. An exhaust pipe gas inlet hole is formed in the top of the gas inlet cooling pipe. The automobile exhaust pipe good in noise elimination has the characteristics that the exhaust efficiency is high, speed increasing is quick and the noise of the exhaust pipe is low; the interaction force between gas and the solid pipe wall of the exhaust pipe is fully utilized, the function of effective resistance reduction is achieved, the exhaust resistance in an automobile exhaust manifold is effectively reduced, the exhaust efficiency of an automobile is improved, and the noise elimination effect is good.

The invention provides an infinitely variable speed transmission mechanism, and relates to the technical field of transmission mechanisms. The infinitely variable speed transmission mechanism comprises a transmission mechanism, wherein a threaded rod is arranged in the middle in the transmission mechanism; the front side and the rear side of the threaded rod are independently provided with a sliding chute; the middle of the outer part of the threaded rod is covered with a round pipe; the front side and the rear side of the inner wall of the round pipe are independently rotatably connected witha plurality of balls; the balls and the sliding chutes are in sliding connection; the left end and the right end of the threaded rod are independently in threaded connection with a thread ring; one side of each thread ring is independently welded with a shifting fork; two shifting forks have opposite orientations; the right side of the threaded rod is fixedly provided with a stopping block; and the left side of the threaded rod is fixedly connected with an air cylinder. The infinitely variable speed transmission mechanism has the beneficial effects that under mutual cooperation of the shifting forks, the thread rings and the threaded rod, transmission wheels can be driven to move between left and right, and a rotation wheel diameter of a variable speed belt is changed so as to achieve a purpose of speed regulation. The infinitely variable speed transmission mechanism has a simple structure, is stable in axial straight-line speed change in short distance and small space, is quick in improving speed and is simple to operate.

The invention relates to a wheel, in particular to a spring energy storage wheel comprising an energy storage wheel body, a transmission mechanism and a control mechanism. The energy storage wheel body is provided with the transmission mechanism and the control mechanism, a left hub and a right hub are respectively connected with a main shaft in a sliding way through a coupling bearing, the radial plates of the left hub and the right hub are connected with a wheel rim through spokes, the inner end of each spring is hooked in the middle of a torque tube, the outer end of each spring is fixedly connected with a connecting point of the wheel rim, one end of the torque tube abuts on the radial plate of the left hub through beads, a planetary wheel is mounted on the radial plate of the right hub through a rotary shaft, and a sun wheel is sleeved on a shaft barrel of the right hub and matched and connected with a shaft sleeve through a flywheel. An outside-hub ring group and an inside-hub ring group are connected through a bolt sleeve which is embedded in the radial plate of the left hub, and an inside-hub torque ring of the inside-hub ring group is clamped on the left hub and the shaft sleeve. The spring energy storage wheel device converts potential energy and kinetic energy, solves the endless waste of kinetic energy in speed reduction and rapidly accelerates the wheels.

The invention provides a fixed-length flying saw sawing method which is characterized by comprising a speed chasing process and a synchronous sawing process. The speed chasing process means that a moving trolley is adopted to carry a floating car body and a sawing mechanism set on the floating car body to accelerate and decelerate; the floating car body is relatively fixed with the moving trolleythrough a floating positioning structure, and the moving trolley synchronously accelerates and decelerates with the floating car body and the sawing mechanism. The synchronous sawing process means that after the moving trolley and a material are synchronous in moving speed, the moving trolley keeps driving the floating car body and the sawing mechanism to move; the floating car body and the material are fixed to achieve the linkage between the floating car body and the material; in the process that the sawing mechanism always moves synchronously with the material, the sawing mechanism cuts thematerial. According to the method, the sawing precision can be improved, the saw bite flatness can be improved, damage to the sawing mechanism is avoided, and the sawing method is suitable for both high speed moving sawing and low speed moving sawing. The invention also provides a sawing device for achieving the method.

The invention discloses a synergistic reactor for improving the fuel gas energy of novel energy sources. The synergistic reactor for improving the fuel gas energy of novel energy sources comprises a cylindrical tank body; the top of the tank body is provided with a material charging opening; two sides of the upper part of the tank body are respectively provided with a gas inlet and a gas outlet; the outer ends of the gas inlet and the gas outlet are respectively provided with a pipe joint through a ball valve switch; and the tank body is internally provided with a stainless steel round tube one end of which is connected with the gas inlet, and the other end of which extends to a part, 8-12mm away from the bottom of the tank body. Further, the tank body is also internally provided with a corrugated net which is positioned below the gas inlet, and is used for stabilizing the gas flow of a gas; and the tank wall of the tank body is also sequentially provided with a first observation opening and a second observation opening from top to bottom. The novel energy source fuel gas and fuel gas synergistic additives react through the reactor disclosed by the invention, the energy efficiency of the novel energy source fuel gas can be improved effectively; the prepared fuel gas is applied to novel energy source automobiles, and can solve the problem of insufficient power in the driving process of the automobiles, so that the starting power of the automobiles is sufficient; the speed raising process of the automobiles can be accelerated rapidly; and the fuel gas is saved further.

The invention provides a resistance increasing and load shedding method for a high-speed train, which comprises the following steps of: constructing a resistance increasing plate with a wing-shaped section, and arranging a high lift device capable of rotating relative to the resistance increasing plate at the rear edge of the resistance increasing plate; a resistance increasing plate with a high lift device is installed on the top of the high-speed train through a transmission mechanism; when the resistance of the high-speed train needs to be increased, the resistance increasing plate is controlled to be perpendicular to the top face of the high-speed train; when load shedding needs to be conducted on the high-speed train, the resistance increasing plate and incoming flow are controlled to be in a certain incidence angle state, the high lift device is controlled to rotate relative to the resistance increasing plate, and the deflection angle between the high lift device and the resistance increasing plate is changed so as to increase lift force. According to the resistance increasing and load shedding method for the high-speed train, resistance increasing in the train running process can be achieved, lifting force can be provided through the resistance increasing plate and the increasing device when the high-speed train accelerates or runs at a high speed, the load of the high-speed train and friction resistance to rails are reduced, and the service life of the high-speed train is prolonged. The rapid acceleration of the high-speed train is realized, and the consumption of electric power resources during high-speed driving is reduced.

The invention discloses a manufacturing method of a carbon fiber grid cloth reinforced composite EPP foamed sheet and a product. The method is characterized by comprising: a. preparing materials: specifically, preparing the following thermoplastic PP foaming raw materials: 50-70 of high melt strength PP, 20-25 of ordinary PP, 8-15 of polyethylene, 6-10 of talc masterbatch, 0.1-0.3 of a main antioxidant, 0.1-0.5 of an auxiliary antioxidant, 0.6 of a heat stabilizer, 1-3 of color masterbatch, 0.3-0.4 of mineral oil, 5-10 of butane or CO2 gas, and 0.1-0.15 of glycerel monostearte; preparing the following thermoplastic PP bonding layer raw materials: 40 of copolymerized PP, 55 of ordinary PP, 0.2 of a main antioxidant, 0.4 of an auxiliary antioxidant, 0.6 of a heat stabilizer, 2.0 of color masterbatch, 0.1 of a light stabilizer, and 0.2 of mineral oil; b. mixing the materials; c. sending the thermoplastic foaming raw materials into an automatic feed hopper; d. extruding a foamed blank sheet, and compounding the blank sheet with carbon fiber grid cloth and PP non-woven fabric to obtain an EPP foamed composite board; and e. subjecting a PP bonded composite film blank and a composite material, an EPP foamed composite sheet together to impregnation and rolling to obtain a composite sheet finished product.

The invention discloses a double-crank rocker bicycle. The double-crank rocker bicycle comprises a right treadle, a right bicycle turning component, a right rocker, a right connecting rod, a large crankset, a chain, a flywheel, a left connecting rod, a left rocker, a left bicycle turning component and a left treadle. The chain winds through the large crankset and the flywheel. The large crankset is a main transmission piece, a left crank and a right crank are arranged on the two sides of the large crankset separately, and the right crank is hinged to the right connecting rod. The right connecting rod is hinged to the right rocker, the right rocker is fixedly connected with the right bicycle turning component, and the right treadle is arranged on the right bicycle turning component. The left crank is connected with the left connecting rod in a hinged mode, the left connecting rod is hinged to the left rocker, and the left rocker is fixedly connected with the left bicycle turning component. The left treadle is arranged on the left bicycle turning component. According to the double-crank rocker bicycle, the driving mode of a traditional bicycle is changed; and the double-crank rocker bicycle accords with the law of human body kinematic mechanics, so that fatigue feeling of bodies is relieved, and long-distance riding is achieved.