176results about How to "Low intensity" patented technology

A coffee pod with varying intensity. The coffee pod includes a substantially rigid sidewall, a substantially rigid base, and coffee grinds positioned therein. More than about seventy percent (70%) of the coffee grinds may include a particle size distribution of between about 200 to about 300 microns. The coffee grinds may have a weight of the about five (5) to about eight (8) grams.

The invention discloses a reformer of methanol-water hydrogen manufacturing equipment, and a manufacturing technology of reformer, relating to the technical field of methanol-water hydrogen manufacturing equipment. The reformer of the methanol-water hydrogen manufacturing equipment comprises a reformer shell, wherein the reformer shell sequentially comprises a stainless steel inner shell, an insulating cotton layer and a mica outer shell from inside to outside, the diameter-thickness ratio of the reformer shell to the stainless steel inner shell is (150:0.8)-(150:2.5), the diameter-thickness ratio of the reformer shell to the insulating cotton layer is (150:10)-(150:20), and the diameter-thickness ratio of the reformer shell to the mica shell is (150:1.5)-(150:3.5). The reformer not only is high-temperature-resistant and high in strength, but also is good in insulating property, corrosion-resistant, oxidization-resistant, waterproof, non-conductive, and light in weight.

The invention discloses a digital control laser cutter head used in CO2 digital control laser cutter and relative producing method. Wherein, the digital control layer cutter head comprises a connecting tube 1, a glass base box 2, a water cooling element 3, a focusing glass base element 4, a focusing glass 5, an aeration element 6, an adjusting nut 7, a high-strength insulated separating sheath 8, a transition nozzle 9, and a cutting nozzle 10. The inner hole 9-1 of said transition nozzle is in reverse taper shape; the upper and lower parts of water cooling element are integrated annular cooling water channels, while the annular cooling water channel 3-1 is one-time mechanically processed; the main elements as glass base box 2, water cooling element 3, focusing glass base element 4, aeration element 6 and adjusting nut 7 are made from ultrahigh strength rigid duralium LC4. With said invention, the consumed pressure and light energy of digital control laser cutter head is lower and the focusing effect is better. And said invention has better sealing property, thicker cut plate, high plate utilization, high strength, high pressure resistance and high heat conductivity.

A process for treating a bitumen froth containing bitumen, solid mineral material and water, including subjecting a first mixture containing the bitumen froth and a first amount of a paraffinic solvent to first gravity separation, thereby producing a first overflow stream and a first underflow stream, wherein the first gravity separation is performed so that the first underflow stream contains between about 5 percent and about 40 percent by weight of the asphaltenes contained in the first mixture. A second mixture containing the first underflow stream and a second amount of the paraffinic solvent is subjected to second gravity separation in order to recover bitumen from the first underflow stream.

A system of tracking and analyzing the movement of human subjects. UWB is used to track the location of all persons and / or physical objects (assets) occupying a defined area, giving their location with an accuracy of under twenty centimeters, their acceleration, their path, and a time / date-stamp for each observation. The system then uses artificial intelligence to detect variations in patterns of movement of designated individuals and movable physical objects in the defined space. The extracted patterns inform the design of intelligent methods to automatically track behavioral markers of movement. The system can be used to detect dementia in otherwise healthy human subjects and to identify changes in movement pursuant to medication or health changes and which may precede a fall or to detect proper movement in military training scenarios such as battlefield simulations.

The invention discloses an aluminum battery box body for an electric vehicle and a manufacturing method of the aluminum battery box body. A split assembly and combination design is adopted by a battery box body structure, and the battery box body structure comprises a battery box shell, a battery box cover, a suspension scrolling box, brackets, inner brackets and reinforcing rib plates. Through the arrangement of convex ring blocks of the battery box shell, a heat emission hole in a side plate and the inner brackets, the internal heat dissipation effect of the battery box body is improved; through a bracket design of the rib plate structure, the load capacity and the reliability of the battery box body are improved; and a lightweight high-strength improved aluminum alloy is adopted as the material, so that the strength of the plate and the stamping property are improved while the weight of a product is reduced through optimizing aluminum alloy components. A stamping and integral forming structure is adopted by the battery box shell, the battery box cover, the suspension scrolling box and the brackets, so that the problems of multiple casting defects, poor quality, high welding cost, a difficulty in deformation control and the like of the aluminum battery box body in the prior art are solved. The aluminum battery box body has the characteristics of light weight of the product, high overall strength, a good heat dissipation effect, few welding procedures, long service life and the like.

The invention relates to a sandwich metal plate. The sandwich metal plate comprises an upper panel, a lower panel and a plurality of core tubes, wherein the multiple core tubes are arranged between the upper panel and the lower panel, penetrating air passages are arranged among the multiple core tubes, and the core tubes as well as the upper panel and the lower panel are brazed through fore-and-aft and / or left-and-right circulating heating by utilizing high-temperature gas through the air passages. On one hand, the sandwich metal plate has the advantages of light weight, high strength, heat insulation and the like, and on the other hand, the sandwich metal plate cannot be deformed by heat difference, so that the permanent service life of the sandwich metal plate is guaranteed.

The invention discloses an intelligent highway warning trolley, belongs to the field of highway information processing, and relates to a road condition information prompting device. The intelligent highway warning trolley comprises a warning board, a camera, a wireless communication module, a chassis, a motor, a visible light luminance sensor, a motor driving module, a central processing module, a gray level sensor, wheels, a power source, a warning board fixing support, a stretching support, a pyroelectric infrared sensor and a hand-held terminal. The warning board is fixed to the front portion of the chassis through the warning board fixing support, and the camera is fixed to the front portion of the chassis in the mode of being tightly attached to the warning board. The wireless communication module is fixed to the back middle portion of the chassis in the mode of being tightly attached to the central processing module through a supporting column. By means of the intelligent highway warning trolley, warning marks can be carried on highways in all levels, the road conditions can be monitored and fed back in real time, and the intelligent highway warning trolley can automatically walk to the preset position. The hand-held terminal is controlled through wireless communication, has the hand-held control mode and the automatic control mode, and free switching is achieved.

The invention discloses a light-weight high-strength ceramic plate. The light-weight high-strength ceramic plate is a light-weight ceramic plate which is fired at a firing temperature of 1050-1120 DEG C and has a honeycomb-like sealed pore internal structure, the volume weight is 1.55-2.1g / cm<3>, the thickness is 18-30mm, the water absorptivity is 0.1-0.5%, and the rupture modulus is no less than 20MPa.The light-weight high-strength ceramic plate is mainly prepared from the following raw materials: 1-3 parts of silicon carbide, 15-50 parts of ceramic waste solid, 10-35 parts of sludge or sediment, 10-35 parts of bentonite, 0.1-2 parts of green body enhancer and 0.1-3 parts of dispergator. Correspondingly, the invention also provides a preparation method of the light-weight high-strength ceramic plate. The light-weight high-strength ceramic plate has the advantages of light weight, high strength, low water absorptivity and high stone simulation degree, and can be dimensionally enlarged and thickened. When being used as an outdoor high-altitude curtain wall, the light-weight high-strength ceramic plate is very safe and convenient to construct, and the hanging cost is saved.

The invention discloses an aramid paper honeycomb sandwich composite structure with high strength and light weight. The composite plate comprises lower skin, a lower hot melt adhesive film, an aramid paper honeycomb core, an upper hot melt adhesive film and upper skin which are overlapped and composited from bottom to top sequentially, wherein the upper skin and the lower skin are glass cloth prepregs formed by impregnating glass cloth with resin composition. The volume weight of the honeycomb core is reduced through structural adjustment of the honeycomb core, the critical load capacity of the honeycomb core structure is improved, the external bearing capacity of the whole composite plate is improved, the bonding strength between layers of the structure is high, the peel strength is high, high anti-puncture performance and high buffer performance are integrated, the probability of damage such as degumming, delamination and the like is low, and the composite plate is light in weight, good in mechanical property, soundproof and high in thermal insulation performance.

The invention relates to a high-strength ultra-light composite lithium band and a preparation method thereof, belonging to the technical field of preparation of negative electrode materials of lithiumbatteries. The composite lithium belt comprises a conductive framework and a metal lithium or a lithium alloy attached to the conductive framework; The conductive skeleton is a porous film formed byuniformly dispersing the conductive powder material in the polymer. At first, that polymer and the conductive pow material are melted and mix uniformly, the porous membrane is prepared by a dry double-pull method, and then a layer of ultra-thin metal lithium or lithium alloy is attached to the surface or the pores of the porous membrane by vacuum evaporation, electroplating or mechanical calendering to obtain a high-strength ultra-light composite lithium band. The invention has the advantages that the processing performance of the lithium belt can be improved and the energy density of the battery can be increased by using the composite lithium belt for the lithium primary battery and the lithium secondary battery. It is noteworthy that the metal lithium will not only adhere to the outer surface of the porous membrane, but also enter the pores of the porous membrane. This structure can greatly enhance the adhesion of lithium to the porous membrane and prevent lithium from falling off from the porous membrane.

The invention relates to an offshore underwater component device mooring cable. The offshore underwater component device mooring cable is characterized by being of a sheath-core composite double-layer structure, an inner core is of a eight-strand structure made of DM20 ultra-high molecular weight polyethylene, an outer layer is a fixing sheath formed by weaving wear-proof high-strength polyester fibers, the inner core is formed according to the steps of manufacturing rough yarn, manufacturing rope yarn, manufacturing strands, weaving ropes, soaking the inner core in resin, prestretching the inner core and drying the inner core, and the fixing sheath is formed according to the steps of splicing threads, twisting the threads, manufacturing strands and weaving the 32 strands around the inner core into the fixing sheath in a one-off mode through a double-layer weaving machine.

The present invention discloses an energy substitution type self-power generation airplane of using the electricity to substitute for the fuel oil. The energy substitution type self-power generation airplane is characterized in that an uninterrupted power supply (UPS) is installed on an airplane body, a commercial power charger, a super capacitor, a battery pack, an AC-DC rectifier, a DC-AC inverter and a static bypass switch are connected according to a circuit mode to form the UPS, and the UPS is also in parallel connection with a Laval power system; the Laval power system is formed by installing a plurality of gas turbine generator sets in at least one Laval pipe, the Laval pipe is formed by connecting a contracted pipe (1), a throat pipe (2) and an expanding pipe (3) in series, and thegas turbine generator sets (4) are installed at the expanding pipe (3) having the maximum speed in the Laval pipe. The energy substitution type self-power generation airplane of the present inventionis a technology of generating the power based on the relative airflow of the Laval pipe for the airplane, different flow velocities generate the power, the efficiency is high, the power is large, theloading capacity is strong, and the great dreams of the people of using the electricity to substitute for the fuel oil are realized.

The invention provides erbium strengthened magnesium-lithium alloy and a preparation method thereof. The magnesium-lithium alloy prepared through the following method comprises, by mass, 5%-11% of Li, 0.5%-10% of Er, not more than 5% of Al and the balance magnesium and inevitable impurity elements. The preparation method comprises the steps that (1) smelting is conducted under the condition of vacuum or protective atmosphere after component proportioning is designed according to the alloy elements, and then an alloy ingot is poured; (2) homogenization treatment is conducted at the temperature of 200 DEG C-500 DEG C, and the homogenization treatment time is 0.5-10 h; (3) multi-pass rolling is conducted at the temperature of 250 DEG C-400 DEG C, and the total reduction rate is 20%-90%; and (4) two times of aging treatment can also be conducted before and after rolling. According to the erbium strengthened magnesium-lithium alloy and the preparation method thereof, the alloy components, the two times of aging treatment temperature, the treatment time, the cooling process, the hot rolling temperature, the hot rolling passes and the deformation parameters are controlled, so that the grain size of the erbium strengthened magnesium-lithium alloy is refined, and the mechanical property is improved.

The invention discloses a method for recycling dust generated by casting waste sand regeneration. According to the method, firstly, a dust removal system is used for collecting high-value dust and low-value dust in groups according to effective values of the dust; then composite powder for modeling is generated through compounding, activation, drying and pulverizing after the high-value dust is sieved by a powder concentrator, and sludge generated through wet regeneration by the low-value dust, blast furnace slag and casting waste sand is subjected to raw material pretreatment, compounding, shaping, prebaking, baking, cooling and screening to generate light ceramsites; the high-value dust is dust generated during regeneration of unbaked casting waste sand, and the low-value dust is dust generated during regeneration of baked casting waste sand. The recycling method can achieve the purpose of full recycling of the casting waste sand, and has the advantages that the operation is simple,more energy is saved, and the environment is protected better.

The invention discloses light polyurethane plastic paving material. The invention comprises a component A, a component B, composite catalyst and black micellar particles, wherein pulverized fuel ash is used in the component B as the packing material, the invention finds appropriate raw material ratio, and solves the flowablity of the pulverized fuel ash component, thus ensuring the traditional industrial refuse pulverized fuel ash to be converted into treasure from waste, so as to produce the light polyurethane plastic paving material with low cost and meeting the market demand, and therefore the invention not only is in favor of reducing the pollution of the pulverized fuel ash to the environment, but also can create good economic and social benefits. The light polyurethane plastic paving material obtained by utilizing the pulverized fuel ash production has the advantages that the weight is light, the specific surface is large after pavement, the pavement use amount of unit volume is reduced, the cost is greatly decreased, and each performance can achieve the national standards, therefore the invention provides a new broad prospect for the comprehensive utilization of the pulverized fuel ash, and makes contribution for the state to develop physical culture.

The invention relates to a piece of electromagnetic shielding glass and a manufacturing method thereof, specifically, to a piece of light high-intensity electromagnetic windshield glass with an electric heating function and a manufacturing method thereof. A metal grid structure is prepared on a flexible substrate to realize the electromagnetic shielding function; combination with the traditional electric heating glass manufacturing process is carried out to prepare a piece of light high-intensity electromagnetic shield glass. On the one hand, the intensity reduction caused by preparing a low-resistance transparent conductive film on a piece of load-bearing glass is avoided; and on the other hand, the conflict between the high shielding performance and the high light transmittance requirement of the traditional electromagnetic shielding glass is eliminated. The prepared electromagnetic shielding glass has the high light transmittance larger than or equal to 75%, the reduced weight withthe surface density less than or equal to 10kg / m<2>, and the high intensity; the total thickness does not exceed 6.0 mm and the shielding performance is larger than o equal to 40 dB(0.3-18 GHz). And the glass is resistant to the impact by a bird with the weight of 1.0kg at the speed less than or equal to 330km / h without any penetration and piece spatter.

The invention discloses a bidirectional truss combined board made from a composite material and a manufacturing method therefor. The combined board comprises a light steel skeleton, an upper surface layer, a light-weight aggregate concrete layer, an insulating and sound-isolating layer and a bottom surface layer. The insulating and sound-isolating layer is located on the inner side of the light steel skeleton, and the light-weight aggregate concrete layer is paved on the upper part of the light steel skeleton; the upper surface layer is paved on the light-weight aggregate concrete layer, and the upper surface layer is a transmitting hard shell aerogel insulating layer; the bottom surface layer is located on the lower surface of the light steel skeleton; the light steel skeleton has a light steel outer frame which is internally provided with a bidirectional light steel truss, the outer surface of the light steel skeleton is coated with a cement-based composite material, and hemmed holes are formed in the abdomens of light steel. The board disclosed by the invention effectively solves the fireproof, corrosion-resistant and sound-isolating problems of a steel structure, and has the advantages of circular economy, energy conservation, environmental-friendliness and prolongation of service lives of buildings.

A method for preparing a lightweight high-strength composite material by the utilization of a paper-based honeycomb panel and a wood plastic composite material relates to a preparation method of a lightweight high-strength composite material. Present wood plastic composite materials are not convenient to use and are prepared at high cost, and present paper-based honeycomb panels have low strengthand are easy to absorb water and deform. The invention solves the above problems of present wood plastic composite materials and present paper-based honeycomb panels. The method provided by the invention comprises the following steps of: firstly, dipping a paper-based honeycomb panel into a container filled with phenol-formaldehyde resin adhesive, taking out and splaying out the paper-based honeycomb panel, heating and sanding to obtain a paper core plate; secondly, matting one surface of a wood plastic thin plate; thirdly, coating a layer of isocyanate adhesive or epoxy resin adhesive with aroller on upper and lower surfaces of the paper core plate and the matted surface of the wood plastic thin plate; and finally, using two wood plastic thin plates to respectively cover the upper and lower surfaces of the paper core plates, allowing the matted surface to contact with the paper core plate to obtain a combined slab, and bonding to finish. The lightweight high-strength composite material obtained in the invention is low carbon and environmentally friendly during the production and application processes, is convenient to use, and has characteristics of high water proofness, non-deformable performance, light weight, high strength and low cost.

The invention discloses a bolt screwing-down device which comprises a support. The support is provided with a horizontal linear sliding mechanism which is provided with a lifting mechanism. The lifting mechanism is connected to the horizontal linear sliding mechanism through a universal joint. An automatic wrench is arranged on the lifting mechanism. By the adoption of the bolt screwing-down device, an installing system formed by the support, the horizontal linear sliding mechanism and the lifting mechanism is used for installing the automatic wrench, the handheld weight of workers is reduced, physical power is saved, and safety accidents are avoided. The automatic wrench can adjust the horizontal position and height through the horizontal linear sliding mechanism and the lifting mechanism, the sliding block origin locating device can carry out adjustment according to different products, application is more flexible, and the use range is wider.

The invention discloses a resin matrix composite material sanitary appliance, which is characterized in that: raw materials are mixed, injected and cured in a die to form the resin matrix composite material sanitary appliance; and the raw materials comprise the following components in percentage by weight: 14 to 30 percent of unsaturated polyester resin, 6 to 14 percent of polyester anti shrinking agent, 11 to 37 percent of reinforcing fibers, 10 to 20 percent of grammite, 25 to 40 percent of calcium carbonate and 0.8 to 2.4 percent of initiator. The invention also discloses a preparation method for the sanitary appliance. Compared with the prior art, the resin matrix composite material sanitary appliance has the advantages of high strength, high toughness, good self-cleaning property andlow energy consumption.

The invention discloses a push-pull device of a conductor spacer of an overhead wire, comprising eight support rods. The front end of each support rod is respectively provided with a strip-shaped through slot; the eight support rods are averagely divided into two groups, each group of four support rods are sequentially connected end to end to form a square support frame; each support frame is respectively provided with four through slots; the front end of each support rod connected end to end is overlapped with the rear end of the other adjacent support rod; the two support frames are parallelly arranged front and back; the through slots positioned on the two support frames are communicated in a one-to-one correspondence front and back manner to form four pairs of the through slots; bent bolts are respectively arranged among the four support rods which just correspond to the two support frames front and back, that is to say, the two support frames are connected by arranging the four bent bolts; the four bent bolts are respectively positioned in the corresponding pair of through slots; and each bent bolt is respectively provided with a wire clamp. According to the invention, the problems in the prior art can be solved and the space between sub-wires is regulated by matching the through slots with the bent bolts, thus the aerial work time of workers is shortened and the safety is enhanced.

The invention discloses a composite shell of a lithium ion battery. The shell is formed by combining a metal inner layer and a plastic outer layer; the metal inner layer is made of aluminum, aluminum alloy, stainless steel or an alloy material; the thickness of the metal inner layer is between 0.5 and 1.5 millimeters; the plastic outer layer is made of polypropylene (PP), acrylonitrile-butadiene-styrene (ABS), polyethylene (PE) or ethylene propylene diene monomer rubber; the thickness of the plastic outer layer is between 1.5 and 2.5 millimeters; and the metal inner layer and the plastic outer layer are combined and connected by a thermal compound method, a hot injection method, an electroplating method, a nesting method or a bonding method. The composite shell takes metal as an inner layer and plastic as an outer layer, and is small in size, light in weight, high in strength, easy to weld, convenient to combine and high in insulation. By the composite shell formed by combining the metal inner layer and the plastic outer layer, the requirements of a shell of a power battery which is relatively small in size, relatively light in weight, relatively high in strength and relatively easy to weld are met.

The invention discloses high strength light-weight concrete, the concrete is prepared from the following components in parts by weight: 40 to 60 parts of cement, 20 to 40 parts of ceramsite, 20 to 30parts of coal ash, 10 to 20 parts of fine sand, 5 to 15 parts of calcium carbonate, 15 to 25 parts of light calcined magnesia, 2 to 8 parts of polypropylene fiber, 5 to 15 parts of microsilica fume, 3to 8 parts of calcium monofluorophosphate, 5 to 15 parts of nano silicon dioxide, 8 to 15 parts of desulphurization gypsum, 5 to 10 parts of quartz sand, 2 to 7 parts of expanded vermiculite, 4 to 10parts of sodium dodecyl sulfate, 2 to 8 parts functional agent and 80 to 100 parts of deionized water. The high strength light-weight concrete provided by the invention has the characteristics of light weight, high strength, good weather resistance, good heat-insulating property and the like, can meet index requirements of construction industry to ceramsite concrete performance and has better application prospect.

The invention relates to an aluminum alloy used for preparing a gearbox shell and a preparation method thereof and belongs to the field of aluminum alloys. Raw materials of the aluminum alloy comprise 9.5-12.5% of Silicon, 2.5-3.5% of copper, 0.5-0.75% of nickel, 3.5-4.5% of magnesium, 7.5-8.5% of zinc, 2.5-3.5% of manganese, 0.9-1.1% of titanium, 1.5-2.5% of chrome, 0.01-0.015% of lanthanum, 0.002-0.004% of yttrium, 0.01-0.015% of samarium and the balance aluminum. The raw materials are heated till the temperature is 775-785 DEG C and then are melted; helium pre-heated for 2-3 min is pumped into the raw materials in a molten condition from the bottom of a container, clinker and dross are removed, then the raw materials in the molten condition are poured into a mould after standing is conducted for 20-30 min, and a primary manufactured shell is obtained; and quenching treatment is conducted at the temperature of 510-515 DEG C, and aging treatment is conducted at the temperature of 160-220 DEG C. The aluminum alloy used for preparing the gearbox shell is good in high-temperature mechanical property and airtightness, and the service life of a gearbox is prolonged.

The present invention is one kind of light flyer with artificial fiber fabric as skeleton material and inflated plastic bars as wings, and the flyer has special structure to distribute the load homogeneously onto the upper surfaces of the wings and span / load ratio similar to that of bird. The flyer makes it possible for human to fly like a bird and is easy to open and close and light. As one individual flyer for war purpose with high mobility and high stealthiness, the flyer consists of one special piece of fabric for bearing, fabric skeleton, bearing air bars, small fixing air bars, guiding air bars and plastic air pipeline.

The invention provides a double-layer composite refractory material, a double-layer composite refractory material ditch cover, a manufacture method for the ditch cover, and application of the material. The ditch cover comprises a steel structural housing, a main refractory material packed in the steel structural housing, and a molten-iron-flushing-resistant layer arranged on the outer surface at the inner side of the steel structural housing; the main refractory material is formed by mixing a first filler, steel fiber, cement, a water reducer and water for forming a slurry and pouring the slurry, and the first filler is composed of ceramsite, a floating bead and perlite; and the molten-iron-flushing-resistant layer is formed by mixing a second filler, Al(OH)3 micro powder, concentrated phosphoric acid and water and solidifying, and the second filler is composed of aluminium silicate fiber, alpha-Al2O3 micro powder and graphite micro powder. The prepared double-layer composite refractory material ditch cover has the characteristics that the ditch cover is poured for molding, is capable of effectively preventing molten iron and flue dust from damaging workers, is capable of reducing environmental pollution caused by exhaust gas, is light in weight, large in strength, long in service life, resistant to high temperature, good in thermal shock resistance, free of deformation, free of cracking, free of shedding, good in thermal insulation, and free of damage when being shifted, suspended or shaken.

The invention discloses a lightweight bumper beam. The lightweight bumper beam comprises a beam body, crash boxes and tow hook nuts, wherein the crash boxes with the tow hook nuts arranged therein are arranged behind the two ends of the beam body. Through the method, the lightweight bumper beam has the advantages of high reliability, accurate positioning, compact structure, light weight, high strength, convenient assembly, low construction cost and the like, can be assembled by conventional assemblies, and has a wide market prospect in the automobile market.

The invention provides a low-cost and high-strength titanium alloy plate prepared by 100% of returned burdens. The low-cost and high-strength titanium alloy plate comprises the following components inpercentage by mass: 3.0-6.0% of Al, 3.0-5.5% of Mo, 3.0-5.5% of V, 0.1-2.0% of Cr, 0.1-2.0% of Fe, O not more than 0.20%, N not more than 0.10%, C not more than 0.10%, and the balance of Ti and inevitable impurities; raw materials of all the components of the low-cost and high-strength titanium alloy plate prepared by 100% of the returned burdens are pure titanium residues and titanium alloy residues; the pure titanium residues are one or more of TA1, TA2, TA3 and TA4; and the titanium alloy residues are one or several of TA11, TA18, TB2, TB6, TC4, TC6 and TC18. The invention further providesa preparation method of the low-cost and high-strength titanium alloy plate prepared by 100% of the returned burdens. Compared with the prior art, the low-cost and high-strength titanium alloy plateprepared by 100% of the returned burdens by the preparation method reaches the stretch strength of higher than 1150 MPa.

The invention relates to a lightweight turnover sleeper which comprises a sleeper body, folding rods and hanging pieces. The sleeper body comprises a sleeper skeleton and a sleeper plate mounted on the sleeper skeleton. The sleeper skeleton comprises four edge beams which are connected end to end. Slots matched with the sleeper plate are formed in the inner sides of the edge beams. The sleeper plate is mounted in the slots. The sleeper skeleton is rotatably connected with the edge beams. One ends of the folding rods are rotatably connected with the corresponding edge beams, and the other ends of the folding rods are provided with mounting bases. The folding rods are rotatably connected with the mounting bases. The sleeper body, the hanging pieces and the folding rods are made from magnesium alloys. The turnover sleeper is manufactured through lightweight design and is low in density, high in specific strength and specific rigidity, and good in damping shock absorption performance, machining performance and size stability; and the hanging pieces are matched with the folding rods, the bearing strength of the sleeper in a horizontal status is fully considered, the turnover structure is simple and reliable, the flexible and reliable turnover structure can decrease the occupancy rate of the service space, and the lightweight turnover sleeper is suitable for all kinds of complex environments.