56results about How to "Slow loss" patented technology

The invention provides a three-dimensional grinding material. The three-dimensional grinding material comprises a substrate, an adhesive layer which is compounded on the substrate, a base material which is compounded on the adhesive layer, a bottom adhesive layer which is compounded on the base material, and a plurality of grinding blocks which are arranged on the bottom adhesive layer; a gap is reserved between every two adjacent grinding blocks; the grinding blocks are formed by curing a mixture, wherein the mixture is comprises 20 to 40 weight percent of a photo-curing adhesive, 10 to 30 weight percent of a thermo-curing adhesive, 0.1 to 3 weight percent of a photoinitiator, 0.1 to 3 weight percent of a thermal initiator, 0.1 to 3 weight percent of a thermo-curing agent, 30 to 70 weightpercent of a grinding material, and 1 to 5 weight percent of an auxiliary agent, wherein the photo-curing adhesive is selected from polyurethane acrylate resin; and the thermo-curing adhesive is selected from epoxy resin. The invention also provides a preparation method of the there-dimensional grinding material. The three-dimensional grinding material which is prepared from the polyurethane acrylate resin and the epoxy resin serving as adhesives provided by the invention is slow in loss and long in service life.

The invention discloses a heavy-load electric wheel, and belongs to the field of electric vehicle power devices. A brake, a planetary gear reducer and a hub motor are sequentially arranged on the outer side of a supporting shaft from the distant to the near; the outer side of a hub is connected with a spoke mounting plane of a rim through a spoke, and the hub is mounted on the outer side of the supporting shaft through a pair of hub bearings; a brake caliper support in the brake is installed outside the distal facet of the wheel supporting shaft through a bolt, and a brake disc is installed ona brake disc installation flange of the hub; a hub part of the hub motor rotor support is sleeved on the rotor shaft; and a sun gear in the planetary gear reducer is disposed outside the distal end side of the rotor shaft. The axial size of the whole electric wheel assembly is short, and the hub motor, the planetary gear reducer and the brake are all arranged in the space defined by the rim on the inner side and the outer side of the electric wheel assembly, so that the electric wheel assembly can be suitable for common commercial vehicle double-tire parallel loading wheels.

The invention belongs to the technical field of additive repairing, and relates to a method for repairing flaws of titanium-aluminum intermetallic compound castings. A vacuum environment condition isadopted in the whole process of electron beam fuse repairing, vacuum pressure intensity is 10<-2>Pa to 10<-3>Pa, and thus pollution caused by harmful elements such as N, O and H in the repairing process can be effectively avoided. Laser cladding repairing and arc welding repairing methods can hardly avoid pollution caused by harmful elements such as N, O and H, especially in a high-temperature state, the harmful elements can strongly cause embrittlement and cracking of titanium-aluminum intermetallic compounds, and then repairing fails. The material metallurgical quality after repairing in thevacuum environment is superior to that of other repairing methods, and repairing flaws can be effectively avoided; in addition, the heat loss speed is low under the vacuum environment, and after repairing, the cooling speed is low and heat stress is low, so that the risk of cracks is greatly lowered. Through vacuum annealing treatment in a furnace after repairing, repairing stress can be removedin time, the structure of a repaired area can be regulated, and delayed cracks of the repaired castings can be effectively avoided.

The invention discloses a multi-degree-of-freedom submerged-arc furnace opening and plugging machine based on cutting type opening, which comprises a rotary cutting type opening machine, a plugging machine and a multi-degree-of-freedom adjustable type platform shared by the rotary cutting type opening machine and the plugging machine. The opening machine is of a rotary cutting type structure; a rotary cutting device, a propelling device and a telescopic arm are arranged on the opening machine; the propelling device propels the rotary cutting device to carry out feeding operation on the telescopic arm; and the multi-degree-of-freedom adjustable type platform is equipped with an amplitude varying device, a lifting device and a travelling device. According to a real-time position of a furnace hole, multi-degree-of-freedom position adjustment of each station is realized by virtue of lifting of the lifting device, angle increase and decrease of the amplitude varying device, extension and retraction of the telescopic arm and ring-shaped displacement of the travelling device; and the rotary cutting type opening is used to replace drilling of a conventional pneumatic or hydraulic rock drill, so that cost is reduced, and opening and hole-forming quality is improved.

The invention provides a sound insulating material and an application thereof. The sound insulating material comprises a first stacked structure, wherein the first stacked structure comprises a plurality of first foaming layers and a plurality of first non-foaming layers, which are arranged at intervals. The sound insulating material has a good sound insulating effect, relatively low density and relatively light quality; noise is reflected from multiple layers by using acoustic impedance mismatching of the plurality of first foaming layers and the plurality of first non-foaming layers; and the contradiction between high sound insulation and low density and the problem of high noise penetrating power are solved.

The invention discloses an outdoor manual laundry device comprising a machine body; a feeding port is formed in one end of the machine body, a flip cover is arranged at the feeding port, a platform isarranged at one end of the feeding port, one side of the machine body is provided with a transmission mechanism capable of amplifying input rotating speed, the other end of the transmission mechanismextends into the machine body and is provided with a stirring mechanism, one side of the transmission mechanism is provided with a power generation mechanism, the other side of the machine body is provided with a discharging mechanism capable of moving up and down, and the bottom end of the machine body is provided with a plurality of uniformly distributed moving mechanisms. The outdoor manual laundry device in the invention has the beneficial effects that the portability of the outdoor manual laundry device during moving can be improved through the moving mechanisms, which is more remarkablein long-distance carrying moving process, and the labor intensity of operators can be effectively reduced.

The invention relates to a hot air circulation oven which comprises an oven body, a drying chamber is formed in the oven body, an opening mechanism is arranged on one side of the drying chamber, a sealing door plate is arranged at the opening of the drying chamber, air inlets allowing hot air to enter are formed in the two opposite sides of the drying chamber, a moisture discharging opening is formed in the lower side of the drying chamber and communicates with dehumidifying pipes through an exhaust fan, the dehumidifying pipes are perpendicular to the horizontal plane, every two adjacent dehumidifying pipes communicate with each other through a communicating pipe, the two communicating pipes located on the same dehumidifying pipe are located on the upper side and the lower side of the dehumidifying pipe respectively, the multiple dehumidifying pipes and the communicating pipes are arranged in an arch shape, the dehumidifying pipe located at the tail end is connected with an air heater, the other end of the air heater is connected with a hot air blower, the other side of the hot air blower communicates with a hot air cover, and the hot air cover is attached to the side wall of thebox body and communicates with the air inlets. The hot air circulation oven has the effect of reducing the energy consumption.

The invention discloses a preparation process of scented tea. The preparation method comprises the following steps: selecting fresh flower buds which are picked in the morning of sunny days and do notbloom completely, and removing stalks; selecting a special tea base or full / half parched green tea; selecting a totally-enclosed fermentation vessel with good air permeability; cleaning the fermentation vessel to ensure that the inside of the base is clean and dry; paving the flower buds at the bottom, then covering the next layer of tea leaves with the next layer of flower buds completely everytime, and finally capping and sealing the base with the tea leaves; after the base is sealed, opening the base at any time to check the temperature in the base, when the temperature in the base reaches 50-60 DEG C, starting to turn over the flower buds and the leaves for cooling, fully mixing the flower buds with the tea leaves, and cooling the temperature in the base to room temperature; and sealing the base for 24-48 hours, starting to screen the flowers when the flower buds are completely withered and become dark yellow, and spreading and cooling the tea leaves of which the flowers are screened out to room temperature, wherein the finished product needs at least three times of scenting; and after scenting for multiple times, drying the tea leaves without the flower buds, improving fragrance, and naturally cooling the tea leaves to obtain a finished product. According to the preparation process, an existing scented tea scenting process is changed, so that the scented tea has strongerfragrance.

The invention provides a preparation process of blueberry concentrated juice with high content of anthocyanin. According to the preparation process provided by the invention, pectase is adopted for performing enzymolysis on blueberry pulp, chitosan is adopted as a clarifying agent for obtaining clear blueberry juice, a decompression concentration process is adopted for preparing the blueberry concentrated juice, and microwave sterilization is adopted for sterilizing the blueberry concentrated juice. The preparation process comprises the following steps of: selecting blueberry fruits in vaccinium ashei gardenblue species; extracting the blueberry juice, and adding the pectase to perform the enzymolysis on the blueberry pulp; clarifying the blueberry juice, and adding the chitosan as the clarifying agent for obtaining the clear blueberry juice; concentrating the blueberry juice, and adopting the decompression concentration to obtain the blueberry concentrated juice; and performing sterile filling on the blueberry juice, and adopting the microwave sterilization to sterilize the blueberry concentrated juice, wherein the content of soluble solids in the blueberry concentrated juice is 60%-75%, and the content of the anthocyanin is 1.925g / L-3.384g / L. The preparation process provided by the invention can not only effectively prevent the loss of the anthocyanin in the blueberry concentrated juice, but also shorten the concentration time, control the production cost of the preparation process and effectively protect color, luster, fragrance and other sensory qualities of the blueberry juice.

The invention belongs to the technical field of electrochemical processing of metal materials, and discloses a test method for the electrolyte used in the electrolytic grinding of high-speed steel roll materials. The electrolyte obtained by using the method is calculated by mass percentage: sodium sulfate 2%~8%, phosphoric acid Sodium dihydrogen is 20%, and the balance is deionized water; the method also uses an electrolyte liquid supply system for electrolytic grinding of high-speed steel roll materials, which includes processing power supply, grinding wheel, cathode tool, water tank, motor, Hydraulic pumps, electrolytic reaction tanks, filters, tee pipes, solenoid valves, safety valves, pressure reducing valves, pressure gauges, throttle valves, electromagnetic flowmeters, modification devices and chillers. The water tank is connected with liquid level switches, filter screen, PH detector, heater, temperature sensor, liquid level gauge, liquid unloading valve and water tank cover; the present invention solves the problem of low processing efficiency, high processing cost and surface quality of the prior art mechanical grinding processing and repairing high-speed steel rolls Poor problem, used for electrolytic grinding of high-speed steel roll material.

The invention discloses an adhesive used for a waterproof roll. The adhesive used for the waterproof roll takes lactic acid / glycerol organic zirconium as a crosslinking agent and an ethylene-ethyl acrylate copolymer fiber-based solution as a thickening agent, so that the adhesive used for the waterproof roll has obvious temperature-sensitive crosslinking property, and gel with good temperature and shearing sustainability can be formed under the crosslinking action; meanwhile, the copolymer base solution treated by fibers is adopted, so that surface activity of the copolymer can be improved, the crosslinking effect can be promoted, and viscoelasticity and thixotropy can be improved.

The invention discloses a multi-degree-of-freedom submerged-arc furnace opening and plugging machine based on cutting type opening, which comprises a rotary cutting type opening machine, a plugging machine and a multi-degree-of-freedom adjustable type platform shared by the rotary cutting type opening machine and the plugging machine. The opening machine is of a rotary cutting type structure; a rotary cutting device, a propelling device and a telescopic arm are arranged on the opening machine; the propelling device propels the rotary cutting device to carry out feeding operation on the telescopic arm; and the multi-degree-of-freedom adjustable type platform is equipped with an amplitude varying device, a lifting device and a travelling device. According to a real-time position of a furnace hole, multi-degree-of-freedom position adjustment of each station is realized by virtue of lifting of the lifting device, angle increase and decrease of the amplitude varying device, extension and retraction of the telescopic arm and ring-shaped displacement of the travelling device; and the rotary cutting type opening is used to replace drilling of a conventional pneumatic or hydraulic rock drill, so that cost is reduced, and opening and hole-forming quality is improved.

The invention discloses a tire tread rubber material with high grip performance and low rolling resistance. The tire tread rubber material with high grip performance and low rolling resistance comprises: SSBR6270 40-44% by weight percentage , natural rubber SIR20 12-15%, highly dispersed silica 26-30%, antioxidant 2.0-3.0%, coupling agent X-50S 3-5%, active agent 1-3%, plasticizer 2-4 %, 0.6-0.9% vulcanizing agent, 1.2-1.6% accelerator and 0.07-0.1% anti-scorch agent, the combined styrene content of the solution-polymerized styrene-butadiene rubber SSBR6270 is 23.5-26.5%, and the oil content is 25.8-28.8%, The specific surface area of ​​the highly dispersed white carbon black is 200-230m 2 / g, the sum of the contents of each component is 100%. Through the above-mentioned method, the technology provided by the present invention has strong grip performance on dry ground, strong cornering control ability, and small driving rolling resistance. Wetland driving safety factor, durability up to standard.

The invention provides a three-dimensional abrasive, comprising: a substrate; an adhesive layer compounded on the substrate; a substrate compounded on the adhesive layer; a primer layer compounded on the substrate; There are several grinding blocks on the primer layer, and there are gaps between the adjacent grinding blocks; the grinding blocks are formed by curing a mixture, and the mixture includes: 20-40wt% light-curing adhesive; 10-30wt% % heat-curing adhesive; 0.1-3wt% photoinitiator; 0.1-3wt% heat-initiator; 0.1-3wt% heat-curing agent; 30-70wt% abrasive; 1-5wt% additive; Wherein, the light-curing adhesive is selected from polyurethane acrylic resin; the heat-curable adhesive is selected from epoxy resin. The present invention also provides a preparation method of the above-mentioned three-dimensional abrasive. The three-dimensional abrasive prepared by using the polyurethane acrylic resin and the epoxy resin as adhesives in the present invention has relatively slow loss and long service life.