150results about How to "Power foot" patented technology

The invention relates to an oil additive and particularly discloses a methanol fuel additive and methanol gasoline prepared with the same. The methanol fuel additive comprises the following components in parts by weight: 15.9 to 20 parts of modifier, 8 to 12 parts of oxidant, 12 to 8 parts of activating agent, 15 to 17 parts of antiknock, 0.54 to 2.48 parts of cleaning agent, 40.5 to 34.5 parts of catalyst, 8 to 6 parts of corrosion inhibitor and 0.06 to 0.02 part of anti-attrition lubricant. According to the methanol gasoline prepared with the additive, methanol and gasoline can be completely soluble or instantly soluble after being mixed, so that the methanol gasoline is clear and bright in appearance, is not layered and is free from impurities; and the methanol gasoline has the characteristics of high octane value, stable burning, sufficient power and tiny contained colloid in running tests and examination, causes no corrosion and swelling reaction on materials of the conventional gasoline car, and can be mixed with unleaded gasoline for use or directly used on the premise of not changing an engine and an oil supply system of the conventional gasoline car.

The invention relates to a parallel dual-engine coaxial unmanned helicopter, belongs to the technical field of aircraft and aims to solve the problems that the prior aircraft is poor in carrying capacity and low in reliability. Two engines are symmetrically arranged and fixedly connected to the lower portion of a connection frame; a power coupler is fixedly connected to the middle of the connection frame; a reducer is fixedly connected to the upper portion of the connection frame; four belt drive sets are symmetrically arranged; each belt drive set is connected with an engine output shaft, a power coupler input shaft, a power coupler output shaft and a reducer input shaft on one side of the belt drive set; power of the two engines is decelerated by the belt drive sets, is collected and outputted by the power coupler, is transmitted to the reducer through the belt drive sets, and is transmitted to upper and lower rotors through two coaxial hollow spindles. Variable pitches of the upper and lower rotors are controlled through two independent pitch varying sets respectively. Power is centrally output after the power of the two engines is coupled; the parallel dual-engine coaxial unmanned helicopter is high in reliability, simple to control and reloadable.

The objective of the invention is to provide an unmanned aerial vehicle used for panoramic photography. The unmanned aerial vehicle is particularly suitable for panoramic photography. The unmanned aerial vehicle includes a control device, a power supply, an electric actuator electrically connected to the power supply, and propellers connected to the electric actuator. The unmanned aerial vehicle is characterized in that the unmanned aerial vehicle also includes a shell and a vehicle main body connected to the inside of the shell; the electric actuator and the propellers are connected to the vehicle main body; the shell has a hollow structure, and is provided with photographing devices; the control device is electrically connected to the electric actuator and the photographing devices; theelectric actuator and the propellers are inside the shell; and a scheme including a middle frame and two hollow hemispheres is adopted, thus effectively protecting the vehicle main body of the unmanned aerial vehicle, preventing possible influences of collision on the unmanned aerial vehicle, improving safety and effectively avoiding possible harm to pedestrians when the unmanned aerial vehicle descends or falls.

The invention discloses a large-tonnage shore transport vehicle, comprising a vehicle frame, a left crawler traveling mechanism and a right crawler traveling mechanism. The left and right crawler traveling mechanisms are symmetrically installed at two sides of the vehicle frame by a suspension mechanism, and consist of crawler belts which are installed on the left crawler frame and the right crawler frame by a driving wheel and a guide wheel arranged on the front end and the rear end of the crawler frame, wherein the crawler frame is a floating box type structure. The crawler frame of the crawler walking mechanism adopts the floating box type structure (i.e., the floating box crawler traveling device), so that the unit grounding pressure of the device is reduced; the traveling device transports the goods and materials at the shore between the tidal zones or below the tidal zone and has the floating sailing ability; and the vehicle frame connecting structure realizes the series-connection and the parallel-connection of a plurality of machines, so that the larger transporting capability is realized.

The invention discloses a pipe-dredging vehicle, which comprises a vehicle chassis, a truck bed arranged on the vehicle chassis, a self-discharging dump bucket arranged inside the truck bed, a telescopic bracket, a windlass, a toolbox, a cleaning machine, a hydraulic block, a CPU controller and a remote controller arranged outside the truck bed, a conductor, and a pulley machine. The tail of the pipe-dredging vehicle is aligned with a pipeline A wellhead, while the front part is aligned with a pipeline B wellhead; a telescopic machine is pushed out, and a back wire rope passes through an excavator and is connected with an inner ring of a removable cover plate; and a front wire rope passes below the vehicle chassis, and moves forwards to get into the B wellhead and get out of the A wellhead to be connected with an outer ring of the excavator. CPU program is started to drive power; and driven by the wire rope to operate between the pipeline and the vehicle back and forth, the elevator sends dredged sludge and sandstone onto the vehicle and automatically unloads. The vehicle has high mechanization, automation level and stable performance, and can solve the problem that sanitation workers cannot solve, greatly saves the energy consumption, alleviates environment pollution, reduces the labor intensity of workers, and improves the working efficiency.

The invention discloses a segment-color slubby yarn production method. The segment-color slubby yarn production method includes the steps of (1), dosing according to compositions and the weight ratio, blending raw materials by a bale plucker, a mixing bale opener and a card-wire opener sequentially, feeding cotton by a vibratory hopper feeder and lapping to form cotton rolls by a lapper; (2), producing the cotton rolls into card slivers by a carding machine; (3), drawing the card slivers by three-channel drawing frames; (4), processing drawn slivers by a roving machine; (5), producing main body roving and color roving according to the step (1) to the step (4), and then spinning the produced main body roving and the produced color roving on a spinning machine; (6), removing yarn defects and winding obtained yarn into bobbin yarn by a bobbin winder. The segment-color slubby yarn produced by the method is sufficient in yarn strength, less in hairiness, rich in layer change and stereoscopic impression and higher in wearability.

The invention discloses an intelligent garage stable operation device. The device comprises a fixing base, support bases are fixed to the two ends of the top of the fixing base, mounting holes arranged at equal intervals are formed in the side edges of the supporting bases in the height direction of the support bases, sliding blocks are slidably sleeved with the mounting holes, a locating column is fixed to one end of each sliding block, a second electromagnetic chuck is installed at the other end of each sliding block, a threaded columns is in threaded connection with one end of each mountinghole, a first electromagnetic chuck is installed at the end, close to the corresponding sliding block, of each threaded column, springs are sleeved with the mounting holes, first grooves and second grooves which are alternatively arranged at equal intervals are formed in the side edges of the support based in the height direction of the support bases, rising induction blocks are installed in thefirst grooves, and falling induction blocks are installed in the second grooves. Accordingly, a double-power-source structure is adopted, operation is stable, the very good limiting anti-falling effect is achieved, and operation is safe and reliable.

The invention provides a coating modified high-nickel quaternary cathode material as well as a preparation method and application. The chemical formula of the material is (LiaNi(1-x-y-z)CoxAlyMnz)(1-b)MbO2, wherein x, y, z, a and b are molar fractions, x is greater than or equal to 0.03 and less than or equal to 0.15, y is greater than 0.01 and less than 0.05, z is greater than 0.01 and less than0.05, (1-x-y-z) is greater than 0.6 and less than 0.9, a is greater than or equal to 1 and less than or equal to 1.1, and b is greater than or equal to 0 and less than or equal to 0.02. The inventionprovides a preparation method and application of the material. The coating modified high-nickel quaternary cathode material provided by the invention has the advantages of stable structure, high safety, long cycle life and high thermal stability.

The invention discloses a mini road dragging wrecker which comprises a small dragging motor car and a foldable dragging device arranged on tail part of the motor car, wherein the foldable dragging device comprises a containing box, a folding mechanism, a lifting mechanism, a wheel embracing mechanism and a dragging wheel; the containing box is arranged at upper end of the tail part of the motor car; one end of the folding mechanism is hinged with the motor car; the lifting mechanism and the wheel embracing mechanism are both arranged at the other end of the folding mechanism; and the dragging wheel is connected to the lifting mechanism. The small dragging motor car is adopted in the wrecker, so that the wrecker is small in volume, has sufficient power and is suitable for various landforms. The wrecker has better flexibility and trafficability on a crowded urban road and a narrow street and is beneficial to quickly arriving at a rescuing site and realizing the dragging and hauling operations performed on a fault vehicle by the foldable dragging device.

The invention provides a Mg-doped nickel-cobalt-aluminum ternary cathode material and a preparation method and application thereof. The Mg-doped nickel-cobalt-aluminum ternary cathode material has thechemical formula of (LiaNi1-x-yCoxAly)1-bMgbO2, with y>0, 1-x-y>0, 1</=a</=1.1, and 0<b</=0.01. The preparation method comprises: sintering a ternary cathode material precursor Ni1-x-yCoxAly(OH)2+y;adding a lithium source and a doping material into the sintering resultant, and carrying out sintering; performing tertiary sintering to obtain the target product. The Mg-doped nickel-cobalt-aluminumternary cathode material prepared herein has good cycle performance. The preparation method having the triple sintering steps has simple technicality and controllable process and facilitates industrial large-scale production.

The invention discloses a pulsator washing machine and a control method. The pulsator washing machine comprises an inner drum and an outer drum, the inner drum comprises an inner drum bottom, an impeller is arranged in the inner drum bottom, a diversion channel is formed in the portion, on the periphery of the impeller, of the inner drum bottom, and when the impeller rotates, water flow is pushed to enter the portion between the inner drum and the outer drum along the diversion channel, climbs upwards along the outer drum and is ejected into the inner drum. Accordingly, by making the transversely penetrating diversion channel formed in the inner drum bottom of the washing machine, water is pushed through the impeller, the water flow is pushed to the portion between the inner drum and the outer drum, the water flow can climb upwards to an inner drum opening along the inner wall of the outer drum and is ejected into the inner drum, the ejection force is high, the number of water channels formed in the inner drum wall can be reduced, the volume of capacity of the inner drum is increased, water can be sprayed into the inner drum from the inner drum opening, the water can be sprayed to clothes such as down jackets which are high in suspension force, and the washing effect on various clothes is enhanced.

The invention discloses a passive pipeline cleaning robot. A cleaning device and a pusing plate are arranged close to an air inlet and an air outlet respectively and are hinged through two supporting devices; one end of the cleaning device is coaxially connected with one end of the first supporting device, one end of the pushing plate is coaxially connected with one end of a second supporting device, and the other ends of the first supporting device and the second supporting device are flexibly hinged through a flexible connector; the cleaning device comprises a cleaning fixing shaft, a cleaning seat body, a plurality of cleaning assemblies, fan blades and a speed reducing mechanism; and the first supporting device and the second supporting device are the same in structure and each comprise a supporting shaft, a supporting arm, a supporting seat body, a left rotating wheel, a right rotating wheel and an elastic supporting assembly. The self-adaptive passive cleaning robot is short in transmission route, high in transmission efficiency, large in cleaning torque, high in working reliability, capable of preventing wheels from being abraded easily and more suitable for cleaning operation of bent pipelines, cleaning power and walking power do not interfere with each other, and power is sufficient.

The invention relates to a crawler-type harvester for cyperus esculentus. According to the technical scheme, a soil crushing and feeding device driven by an engine, a lifting and conveying device, anupper layer vibrating screen, an auger-type soil throwing and crushing device, a lower layer vibrating screen, a horizontal conveying vibrating screen and a material receiving and lifting mechanism are arranged on a frame; a feeding end of the soil crushing and feeding device is connected with a feeding end of the lifting and conveying device; a discharge end of the lifting and conveying device isconnected with a feeding end of the upper layer vibrating screen; a discharge end of the lower layer vibrating screen is connected with a feeding end of the horizontal conveying vibrating screen; a discharge end of the horizontal conveying vibrating screen is connected with a feeding hole of the material receiving and lifting mechanism; a discharge hole of the material receiving and lifting mechanism is connected with a feeding hole of the upper part of a harvesting box; and a travelling mechanism is a travelling crawler arranged at two sides of a chassis. The crawler-type harvester has a wide application range, integrates multiple functions of excavating and soil crushing, root crushing, separating, screening and recycling, is suitable for high-efficiency harvesting of the cyperus esculentus, is easy to move, and has a great popularization prospect.

The invention provides a river channel floating dirt treatment device based on solar driving, and relates to the technical field of solar energy. The river channel floating dirt treatment device basedon solar driving comprises fixing devices arranged on river slopes on the two sides of a river channel, and an intercepting device placed in the middle of the river channel, wherein the interceptingdevice intercepts floating dirt floating and flowing in the river channel and collects and salvages the floating dirt; and each fixing device comprises a fixing bottom foot, a supporting rod, a sliding rod and a connecting rod, wherein the fixing bottom foot is fixed to the river slope edges close to the two sides of the river channel. According to the river channel floating dirt treatment devicebased on solar driving, the fixing devices are mounted on the river slopes on the two sides of the river channel, the intercepting device placed in the middle of the river channel is fixed through thefixing devices, and thus the intercepting device is placed in the middle of the river channel more firmly and reliably; and the intercepting device is placed in the middle of the river channel to intercept and collect the floating dirt floating and flowing in the river channel, subsequent salvage is facilitated, and the salvage efficiency of the floating dirt in the river channel is improved.

The invention provides a doped nickel-cobalt-aluminum ternary lithium-ion battery positive electrode material as well as a preparation method and application. A chemical formula of the material is asfollows: (LiaNi1-x-yCoxAly)1-bMbO2, wherein x is greater than 0 and y is greater than 0; the 1-x-y is greater than 0; the a is greater than or equal to 1 and less than or equal to 1.1; the b is greater than 0 and less than or equal to 0.01. A preparation method of the material comprises the following steps: firstly, sintering a ternary positive electrode material precursor Ni1-x-yCoxAly(OH)2+y; then adding a sintered product into a lithium source and a doping material and sintering; finally, carrying out third-time sintering to obtain a target product. The doped nickel-cobalt-aluminum ternarylithium-ion battery positive electrode material synthesized by the preparation method provided by the invention has good circulating performance. The preparation method provided by the invention comprises three times of sintering steps and has the advantages of simple technology, controllable process and easiness for industrialized mass production.

The invention provides an MgO coated-nickel, cobalt and aluminum ternary lithium ion battery anode material which comprises a lithium nickel-and-cobalt aluminate material and MgO covering the surfaceof the lithium nickel-and-cobalt aluminate material, wherein a chemical formula of the MgO coated-nickel, cobalt and aluminum ternary lithium ion battery anode material is shown in a formula (I): (LiaNi(1-x-y)CoxMgy)(1-b)MgbO2, wherein x is greater than 0, y is greater than 0, 1-x-y is greater than 0, a is greater than or equal to 1 and less than or equal to 1.1, and b is greater than 0 and less than or equal to 0.02. The preparation method of the material comprises the steps of sintering a ternary anode material precursor Ni(1-x-y)CoxMgy(OH)(2+y), then adding a lithium source into a substanceobtained by sintering for sintering, and finally adding a coating material MgO for sintering, thus obtaining a target product. The MgO coated-nickel, cobalt and aluminum ternary lithium ion battery anode material synthesized by the preparation method is excellent in cycle performance.

The invention discloses a large punching machining system for gearbox oil seal machining and belongs to the technical field of punching machining equipment. According to the key points of the technical scheme, a strip material uncoiling unit comprises a base, a rotating table, material coil fixing devices, a material guiding frame, a material coil close-abutting device and a material coil compressing device, wherein the material coil fixing devices are distributed on the two opposite side faces of the rotating table in the mode of being in central symmetry around the rotating axis of the rotating table, the material guiding frame is slidably arranged on the bottom face of one side of the base, the material coil close-abutting device is arranged on the material guiding frame and used for applying axial pressure to the end face, away from the rotating table, of a material coil during uncoiling, and the material coil compressing device is arranged at the top of the material guiding frameand used for applying radial pressure to the material coil during uncoiling. When uncoiled, the material coil can be pre-fixed at the material coil fixing device on the other side of the rotating table, the material coil is rapidly replaced through working of the rotating table, thus the material coil replacing efficiency is greatly improved, and the large punching machining system can adapt to efficient punching machining of a gearbox oil seal.