31results about How to "Increase friction effect" patented technology

A wrench manufacturing process for manufacturing a rotational-tube wrench comprises the steps of forging, annealing, rolling, punching, drawing, polishing, surface grinding, CNC rough cutting, thermal treatment, vibrating, electroplating, CNC fine cutting and assembling. The additional steps of thermal treatment and CNC or MC fine cutting not only enhance the structural toughness of the wrench but also guarantee high degree of roundness for the receptacle space thereof. The CNC or MC fine cutting also provides the inner wall of the receptacle space with fine tool marks so that the confinement strength of a rotational tube without ratchets therein can be significantly enlarged.

The invention relates to a high-speed hydrodynamic machine of which the rotating speed is above 6000rpm, particularly between 7000rpm and 20000rpm. The high-speed hydrodynamic machine comprises a driving motor and a rotor, wherein the rotor comprises a driving motor rotating shaft and rotating impellers acting on fluid; and the rotating impeller are directly mounted on the driving motor rotating shaft, connected in a keyless manner, positioned together with the driving motor rotating shaft in an interference manner through hot-pressing in a radial direction, and compressed and pushes against a radial flange of the rotating shaft by a locking structure in an axial direction. In addition, the invention further relates to a composition method and an assembly method of the rotor of the high-speed hydrodynamic machine with the rotating speed above 6000rpm. According to the machine, since the rotating impellers are directly mounted on the driving motor rotating shaft, the transmission efficiency is improved greatly, the rotor is simpler to dismount simultaneously, and the impellers and the rotating shaft are good in coaxiality and sealability, and low in vibration.

The invention discloses a casting sorting device. The casting sorting device comprises a machine frame, a conveying mechanism, a sand cleaning mechanism and a sorting mechanism. The conveying mechanism is located above one side of the sand cleaning mechanism, and the sorting mechanism is located below the other side of the sand cleaning mechanism. The conveying mechanism comprises a conveying belt. The sand cleaning mechanism comprises a frame which is connected to the machine frame in a sliding mode. The frame is obliquely arranged on the machine frame and is further connected with a plurality of connecting rods. The connecting rods are provided with a plurality of balls. The bottom side of the frame is connected with sleeves, and each sleeve is internally connected with a screw rod in a threaded mode. The screw rods are connected to the machine frame in a rotating mode. The sorting mechanism comprises a rotating disk. The rotating disk is provided with a channel opening. A plurality of sliding grooves used for communicating with the channel opening are formed in the outer side of the rotating disk. The bottom of the rotating disk is connected with a rotating rod. The rotating rod is arranged on the machine frame in a sliding mode. The rotating rod is provided with a spiral groove. A fixing rod abuts against the inside of the spiral groove. Springs are arranged between the bottom of the rotating disk and the machine frame. Compared with the prior art, sand cleaning and sorting can be conducted on castings of different weights at the same time, and working efficiency is high.

The invention belongs to the technical field of silicon dioxide, and particularly relates to a preparation method of low-specific-surface-area high-oil-absorption-value friction type silicon dioxide.The preparation method comprises the steps that S1, 8-12 m<3> of ethanol aqueous solution is injected and heated to 60-70 DEG C, and stirring starts; S2, water glass and sulfuric acid are added dropwise to carry out a parallel flow reaction, the pH value in the reaction process is controlled to be 6.0-6.8, meanwhile, absolute ethyl alcohol is added every 5-10 minutes in the reaction process to keep the volume ratio of ethyl alcohol to water in a reaction system to be 1:(3-7), after the water glass is dropwise added, dropwise addition of sulfuric acid is stopped, and stirring continues; S3, stirring and heating are stopped, aging is conducted for one hour, and pressure filtration, washing, drying and crushing are conducted on the on formed silicon dioxide to prepare silicon dioxide. The silicon dioxide has the advantages of a low in specific surface area, a high oil absorption value, a high water absorption amount, the friction property and the like; toothpaste has good friction and cleaning performance after the silicon dioxide is used, and meanwhile, the problem of expansion of the viscosity of the toothpaste is well solved.

A planetary ball grinder is composed of drive motor, transmission gear train, revolving mainshaft and rotary disc, multiple rotational axles and the ball grinding cylinders rotating around own axle. It features that said ball grinding cylinder is eccentrically installed in such manner that the central line of rotational axle is parallel with the geometric central line of the cross-section of ball grinding cylinder, and its eccentrical degree can be changed for changing the ratio of grinding action to impact action.

The present invention provides a friction generator based on a folded conductive film. The friction generator comprises an upper friction layer which comprises an upper insulating layer (200) made of a flexible material and an upper electrode (100) on the upper insulating layer, a lower friction layer which comprises a substrate (400) made of a flexible material and a lower electrode (300) which is on the substrate and is made of a folded conductive film material. According to the folded design, a friction area and a friction effect are improved, thus a device with a same area has larger output voltage, in a same space structure, the output voltage and output power of the friction generator are effectively improved, the integration and promotion of multiple friction generators are facilitated, the scalability of a device is also improved through folded electrodes in upper and lower positions, thus a power generation mode is broadened, power can be generated through pressure, power can be generated through drawing and bending, the versatility of the device is enhanced, and the application of the friction generator in the aspects of complex environment and the man-machine interface is facilitated.

The invention discloses attapulgite/wild chrysanthemum/green tea toothpaste and a production method thereof. The technical proposal is that: the production method comprises the following steps: steaming for enzyme deactivation, preparing ingredients, low-speed stirring, pulverization and pulping, milling, high-speed stirring, vacuum degassing and packaging. Through the steps, finished products of attapulgite/wild chrysanthemum/green tea toothpaste are obtained. The attapulgite/wild chrysanthemum/green tea toothpaste contains pasty attapulgite clay, fresh green tea, fresh honeysuckle flower, fresh peppermint, fresh lalang grass rhizome, sodium dodecylsulfate, potassium sorbate and deionized water. Plant fibers produced by pulverization and milling can not only increase the viscosity of the toothpaste but also improve the abrasion effect and stability of the toothpaste. The attapulgite/wild chrysanthemum/green tea toothpaste has soft and fine texture and oral cleaning and refreshing functions, and can adsorb and eliminate odors in oral cavity. The inventive method is suitable for the production of attapulgite/wild chrysanthemum/green tea toothpaste, herbal toothpaste and other medicinal toothpaste.

The invention relates to a hydrophobic high-wear-resistance paper pulp material and a preparation method thereof. According to the method, a fluorocarbon compound is used as a hydrophobic agent and added into a paper pulp forming formula to achieve a high hydrophobic effect; by an atomic layer deposition technique, surface modification of a paper pulp material with an inorganic nano oxide is realized, surface roughness of the paper pulp material is improved, and surface wear resistance of the paper pulp material is realized. Compared with the prior art, the hydrophobic wear-resistant paper pulp material has advantages that abrasion performance of paper pulp is substantially enhanced, and an excellent water-resistant effect is achieved. In addition, the preparation method is simple, and performances of an obtained product are evidently superior to those of existing products on the market.

The invention relates to a sole and provides an anti-slide shoe sole and a shoe with the shoe sole. The anti-slide shoe sole has the anti-slide performance in both processes of standing contact and force-applied walking, and people also can stably walk even if a slippery ground. The anti-slide sole comprises an outsole, wherein the outsole corresponding to a heel, an arch, metatarsal bones, and a toe of the sole is respectively composed of a heel zone, an arch zone, a metatarsal bones zone and a toe zone; a square bulge zone is arranged on the heel zone of the outsole, and the square bulge zone is formed by several square bulges, a draining grove for draining fluid is arranged between adjacent square bulges; a cylindrical bulge zone is arranged on the metatarsal bones zone, and composed of several cylindrical bulges; a draining gap for draining fluid forms between adjacent cylindrical bulges; a strip-shaped bulge zone is arranged on the toe zone of the outsole and formed by a plurality of strip-shaped bulges, and a draining groove for draining fluid is formed between adjacent strip-shaped bulges.

The invention discloses an attapulgite honeysuckle green tea toothpaste and a production method of the toothpaste. The production method comprises the following steps: steaming, mixture making, agitating at a low speed, cutting and mealing, grinding, agitating at a high speed, vacuum degassing and canning to from attapulgite honeysuckle green tea toothpaste finished products. The attapulgite honeysuckle green tea toothpaste comprises paste attapulgite clay, fresh tea, fresh honeysuckle, sodium dodecyl sulfate, potassium sorbate, borneol and deionized water. The attapulgite honeysuckle green tea toothpaste has the advantages of softness, finess, lustration, uniformity and the toothpaste can adsorb and eliminate various offensive odors; meanwhile, the plant fiber after cutting and grinding can increase the consistency of the paste body of the toothpaste and the friction effect and the stability of the toothpaste. The toothpaste production method is suitable for producing attapulgite honeysuckle green tea toothpaste, Chinese herbal medicine toothpaste and other medicine toothpaste.

The invention belongs to the technical field of silicon dioxide, and particularly relates to high-loading-capacity and high-cleanliness friction type silicon dioxide for tooth powder and a preparation method of the silicon dioxide. Sodium silicate with a certain concentration and a modulus of 1.5-3.5 reacts with sulfuric acid with a certain concentration under the action of sodium dodecyl sulfate to prepare the high-loading-capacity and high-cleanliness friction type silicon dioxide for the tooth powder. The high-loading-capacity and high-cleaning friction type silicon dioxide for the tooth powder is high-grinding-type and high-adsorption precipitated silicon dioxide, is large in particle size, is not easy to disperse, has the water absorption capacity of 120-180mL/100g, can prevent moisture when being applied to the tooth powder, and prevents the tooth powder from absorbing moisture and caking in the tooth powder storage process. In addition, the high-loading-capacity and high-cleaning-capacity friction type silicon dioxide for the tooth powder has high loading capacity, and the performance of the tooth powder can be improved.

The invention relates to a rice husking machine convenient to separate rice from bran. The rice husking machine comprises a hopper, wherein a lifting conveyor belt is arranged on one side of the hopper; a whitening chamber is arranged under the hopper; a cover body is arranged above the lifting conveyor belt; a solar heat collecting plate is arranged on the upper surface of the cover body; an electric heating panel is further arranged in the cover body in a series connection way; a discharge pipeline is arranged at the lower end of the lifting conveyor belt; a discharge pipe is arranged at thelower end of the whitening chamber; a fan is arranged on one side of the discharge pipe; a bran storage bag for collecting rice husk is arranged at a position, on the corresponding surface of the fan, of the other side of the discharge pipe; a filter tank is further arranged under the discharge pipe; and a sieve is arranged in the filter tank. According to the rice husking machine convenient to separate the rice from the bran provided by the invention, the outer surface of unpolished rice is dried, so that a rubbing effect is improved; and after materials are whitened through the whitening chamber, bran and broken rice are collected by the bran storage bag through the fan, the winnowed rice is filtered through the filter tank, the rice meeting the specifications is filtered, and the broken rice is filtered through the sieve.

The invention relates to corncob Chinese herbal medicine tooth powder. The corncob Chinese herbal medicine tooth powder is prepared from the following raw materials: active corncob powder, herba agrimoniae, radix melastomae, folium callicarpae formosanae, Chinese iris seed, liquorice root, borneol, aminomethylbenzoic acid, sodium dodecyl sulfate and water. The active corncob powder obtained by activating corncob powder and other raw materials are added into a ball grinding mill and are subjected to wet-method grinding; then a mixture is dried and ground to obtain the corncob Chinese herbal medicine tooth powder. The corncob Chinese herbal medicine tooth powder provided by the invention has the advantages of good stability, no caking, cool and fresh mouthfeel, softness, fineness and smoothness; the abrasion of enamel on surfaces of teeth can be effectively reduced in a tooth brushing process; the corncob Chinese herbal medicine tooth powder is suitable for removing halitosis and preventing oral diseases.

The invention discloses a semi-metal friction piece machining method. According to the semi-metal friction piece machining method, by means of the manner that titanium phosphate and inorganic whiskersare added in the preparation process of friction pieces, the friction effect and tenacity of the friction pieces are improved, preheating by hot steam sintering is performed again after the frictionpieces are molded by squeezing in machining on the friction pieces, pressure casting molding is performed on the preheated friction pieces after preheating, the tenacity and hardness of the friction pieces in preparation and machining are improved, so that the wearproof effect of the friction pieces in use is improved, and the anti-wear performance of the friction pieces is improved.

The invention provides a high-friction textile raw material and a preparation method thereof, wherein a high polymer material is doped with an inorganic nano material, so that the friction force of plastic is increased. The method comprises the following steps: (1) grinding a nano material and a high polymer material together by using a vibration mill; and (2) modifying an inorganic nano oxide on the surface of the high polymer material by using an atomic layer deposition technology, so that the surface of the high polymer material is rougher. The preparation method is simple, and the performance of the obtained product is obviously higher than that of existing market products.

The invention belongs to the technical field of silicon dioxide, and particularly relates to high-cleaning-power and high-viscosity friction type silicon dioxide and a preparation method thereof. The high-cleaning-power and high-viscosity friction type silicon dioxide provided by the invention is prepared by taking a water glass solution with modulus of 2.5-3.5 and a sulfuric acid solution as reaction raw materials, adding octanol into a mother solution and adding fatty acid methyl ester ethoxylate at an aging stage for treatment. The high-cleaning-power and high-viscosity friction type silicon dioxide has a copper consumption value of 5.1-6.7 and an oil absorption value of 215-246g/100g, and when the friction type silicon dioxide is applied to a toothpaste formula, the viscosity of a toothpaste body is 15-24wcp, so that under the same cleaning power, the toothpaste body has proper viscosity and fluidity, the low-temperature performance of the toothpaste body is improved, and the production cost of the toothpaste is reduced.

The invention relates to an electrically closed solenoid valve. The solenoid valve is provided with a valve sleeve in which a pole core is fixedly arranged and an armature is arranged axially displaceably, wherein a pressure spring acts between the pole core and the armature in order to force a closing element cooperating with the armature into a valve seat. According to the invention, the valve is characterized in that a means for hydraulically damping the displacement of the armature is formed between the pole core and the armature.

The invention discloses a wind-heating two-phase flow device and method. The device employs the high-intensity flow friction effect of a vertical pipe (or inclined pipe) gas-liquid two-phase slug flowunder the condition of a large gas-liquid ratio, converts the mechanical energy of wind power into heat energy, and achieves wind heating; and main body components of the device comprise a wind powerimpeller, a transmission, a movable scroll compressor disc, a fixed scroll compressor disc, a two-phase flow heating pipe and a gas-liquid separator, and auxiliary components comprise a connecting pipe and a valve. The wind power impeller and the transmission are connected with the movable scroll compressor disc and the static scroll compressor disc through shafts, replace a motor of a scroll compressor to drive the movable and static scroll compressor discs, and pressurize gas through wind power. The pressurized gas enters the two-phase flow heating pipe to form gas-liquid two-phase slug flow with a large gas-liquid ratio together with liquid in the two-phase flow heating pipe, wind energy is converted into heat energy through the high-strength friction effect, and a wind heating way isexpanded.

The invention discloses a robot electronic skin based on a capacitance and friction power generation principle. The robot electronic skin is mainly formed by tightly assembling a flexible abrasive paper modified layer, an upper substrate layer, an upper electrode layer, a lower substrate layer and a lower electrode layer in sequence from top to bottom. The invention provides a manufacturing method of the robot electronic skin based on the capacitance and friction power generation principle. The robot electronic skin can cover the surface of a robot to serve as a flexible device which endows the electronic skin with the tactile perception capability, so that the robot can also perceive the tactile sense, and the robot electronic skin has wide application prospects.

The invention relates to a halloysite Chinese herbal medicine tooth powder including the following raw materials: active halloysite powder, cuttle-bone, bletilla striata, pollen pini, lotus roots, licorice roots, borneol, lauryl sodium sulfate and water. By activating the halloysite powder, the active halloysite powder, as well as other raw materials, is subjected to wet-milling in a ball millingmachine, then the materials are dried and pulverized to prepare the halloysite Chinese herbal medicine tooth powder. The tooth powder has good stability and is free of caking, has a refreshing, soft and fine mouth feel, can effectively reduce abrasion on enamel on tooth surface during brushing teeth, and is suitable for removing bad breath and preventing oral diseases.

The invention discloses a vertical type cotton seed polishing machine which comprises a polishing machine shell, wherein a material feeding hopper is arranged on the upper part of the shell, and the lower part of the shell is provided with a material outlet and an impurity discharging pipe; the vertical type cotton seed polishing machine further comprises a first brush roller, a second brush roller and a third brush roller; the first brush roller, the second brush roller and the third brush roller are arranged from top to bottom, and roller shafts are horizontally mounted in the polishing machine shell; the vertical type cotton seed polishing machine further comprises a driving motor and a screen drum; the driving motor is used for driving the first brush roller, the second brush roller and the third brush roller to rotate; the screen drum encircles the brush rollers and is provided with an upper opening and a lower opening; an impurity removal cavity is formed between the screen drum and the polishing machine shell; the impurity discharging pipe is communicated with the impurity removal cavity; the material outlet is formed in the lower opening of the screen drum. The brush rollers of the vertical type cotton seed polishing machine disclosed by the invention are transversely arranged; the problems that cotton seeds are easily stacked, the high temperature can be generated due to friction, the crushing rate is high, residual flocks cannot be completely cleaned and the like are solved.