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467results about How to "Protective function" patented technology

Calibration method for clearance between rolls of hot-rolling vertical rolls

InactiveCN102989792AProtective functionEliminate the problem of abnormal widthMetal rolling stand detailsMeasuring devicesStrip steelEngineering
The invention relates to a calibration method for clearance between rolls of hot-rolling vertical rolls, which mainly solves the technical problem that strip steel is deficient in quality because verticality and alignment to calibration of vertical rolls are not considered in current methods. The technical scheme is that the calibration method for clearance between rolls of hot-rolling vertical rolls comprises the steps of: 1, finding a rolling center line and marking; 2, additionally arranging two position marks on a transverse slipway of a hot-rolling vertical roll device, and marking the distance from the marks to the rolling center line as |ZB|; 3, hitting apertures on both sides of the vertical rolls to marked positions, wherein a roll block is inside a marking line and aligned with the marking line; 4, measuring the distance from the lower ends on both sides of the vertical rolls to the rolling center line, and marking the measuring point as a point A, the radius of the rolls as R / 2 and the distances from A to a vertical roll operating side and from A to a transmission side as |OA| and |DA|; 5, comparing the measured value |OA|+R / 2 on the operating side with |ZB|, wherein if the difference is in a precision range, the verticality is good, and if the difference is not in the precision range, the clearance between rolls on the operating side is adjusted so that the difference is in the precision control range; 6, adjusting the clearance between rolls on the transmission side by the adjusting method in the step 5; and 7, measuring the total aperture of the vertical rolls, inputting the measured values and calibrating the clearance between rolls of vertical rolls after adjusting the verticality and alignment.
Owner:SHANGHAI MEISHAN IRON & STEEL CO LTD

Safety brake system and motor vehicle with auxiliary safety brake system

The invention relates to a safety brake system. The safety brake system comprises a power source and at least one resistance mechanism. The resistance mechanism comprises a telescopic supporting mechanism and a friction assembly. Each telescopic supporting mechanism comprises a first telescopic cylinder hinged to and arranged on a connecting piece, wherein the lower end of a telescopic rod of the first telescopic cylinder is hinged to an installation plate of the friction assembly, a draw and pull rod is hinged to the upper surface of a friction plate, the upper end of the draw and pull rod is hinged to and arranged on the connecting piece, and a triangular structure is defined by the draw and pull rod, the telescopic rod of the first telescopic cylinder and the connecting piece on the upper portion. The invention further relates to a motor vehicle. The safety brake system is adopted for the motor vehicle and arranged on a chassis of the motor vehicle. Under the condition that brake failure happens to the motor vehicle or the vehicle is out of control or a vehicle-mounted brake system can not meet the requirement for braking, strong speed reduction braking can be rapidly achieved by starting the safety brake system, and therefore the brake distance can be shortened; in addition, the safety brake system has the advantages of being stable in traveling, safe, capable of preventing thievery, beneficial to motor vehicle overhauling, capable of protecting the chassis, and the like.
Owner:TIANJIN BINGZHEN TECH DEV

Method for preparing bonito stick protein hydrolysate with effect of reducing uric acid

The invention relates to a method for preparing bonito stick protein hydrolysate with an effect of reducing uric acid. The method comprises the following main steps of raw material heat treatment, restriction digestion, membrane separation-anion exchange chromatography-gel filtration chromatography separation, concentration and spray drying so as to obtain the bonito stick protein hydrolysate with an effect of reducing uric acid. The amino acid analysis indicates that the zymolyte peptide fragment primary amino acid sequence contains four amino acids, namely histidine, arginine, lysine and threonine, the total mass content of the four amino acids is 70 percent of the total amino acid content of zymolyte. MALDI-TOF-MS mass spectrum determines that the molecular weight of the main peptide effective ingredient is less than 700Da. In-vitro uric acid reduction experiments prove that the bonito stick protein hydrolysate has a remarkable effect of inhibiting generation of uric acid, and has an inhibition rate over 50 percent; an oteracil potassium molded hyperuricemic rat animal model indicates that the bonito stick protein hydrolysate can be used for remarkably reducing the level of serum uric acid and serum creatinine of rats, and shows a relatively good kidney protecting effect.
Owner:SOUTH CHINA UNIV OF TECH

Precision forging process production line for steel rail turnout

The invention relates to a precision forging process production line for a steel rail turnout, which is characterized in that the precision forging process production line comprises a steel rail turnout precision forging press, a heating furnace, a normalizing furnace, a steel rail forward conveying device, an automatic steel rail feeding mechanism and an automatic steel rail blanking mechanism; a steel rail transversely-conveying trolley is arranged between the automatic steel rail feeding mechanism and the automatic steel rail blanking mechanism; a transversal motion guide rail and a transmission gear rack are arranged under the steel rail transversely-conveying trolley; a plurality of steel rail precision feeding devices and a servomotor are arranged on the steel rail transversely-conveying trolley; and an electric cabinet used for controlling the operation of the whole production line is arranged on the outer side of the automatic steel rail feeding mechanism. The precision forging process production line has the advantages as follows: the production line is suitable for hot compression molding technology of various AT (abbreviation for Pinyin of 'short-type cross section') steel rail turnouts, and all devices and mechanisms of the production line can achieve automation control without manual intervention, so that time and labor are saved, the labor intensity of operators is reduced, the processing period of the steel rail turnout is shortened, the production cost is lowered, the machining precision and the qualification rate of the steel rail are improved, and the requirement of high-quality steel rail can be satisfied further.
Owner:TIANJIN TIANDUAN PRESS CO LTD

Formula goat milk powder for pregnant women and preparation method of formula goat milk powder

The invention relates to the technical field of dairy products, in particular to formula goat milk powder for pregnant women and a preparation method of the formula goat milk powder. The formula goat milk powder for pregnant women comprises the following ingredients in parts by weight: 500 to 600 parts of fresh goat milk, 30 to 40 parts of demineralized whey powder, 5 to 10 parts of whey protein powder, 2 to 6 parts of walnut oil, 2 to 6 parts of fructo-oligose, 0.6 to 1 part of docosahexaenoic acid (DHA), 0.1 to 0.2 parts of choline, 450 to 600 parts of folic acid, 0.2 to 0.5 parts of complex vitamins and 0.2 to 0.6 parts of complex trace elements, and the formula goat milk powder is prepared according to a certain method. The DHA, the walnut oil and the fructo-oligose are added according to the nutrition requirements of the pregnant and lying-in women and the growth and development requirements of babies, and the nutrition elements including folic acid, calcium, ferrum, zinc and the like are enhanced, so the self DHA and the choline of the pregnant women are improved, the concentration in the body is maintained at a high-level state, and the excellent and sufficient nutrition can be provided in the fast development period of the brain of the babies.
Owner:YANGLING SHENGFEI DAIRY

Focusing ultrasonic cavitation treatment instrument with ultrasonic focusing positioning function

The invention relates to a focusing ultrasonic cavitation treatment instrument which is used for treating tumor, thrombolysis, ischemic myocardium and disease of prostate based on the cavitation effect of the ultrasonic contrast agent microvesicle. The focusing ultrasonic cavitation treatment instrument comprises a main control machine, two combined treatment probes, and a B ultrasonic machine with an ultrasonic focusing ultrasonic cavitation treatment instrument function. The focusing ultrasonic cavitation treatment instrument is mainly used for the partial area of the focus, and carries out non-invasive treatment on the tumor based on the cavitation effect of the microvesicle. The microvesicle can greatly improve the cavitation effect, so that the ultrasonic focusing positioning radiation with low power can be precisely carried out in the partial area of the focus, and the cavitation effect of the microvesicle within the vessel just can be activated within the partial area, and the capillaries in the tumor can be subject to embolism and damage, so as to achieve the purpose of 'starving' the tumor. The threshold for generating the cavitation is not met by the ultrasonic energy at the periphery of the focusing area, so that the cavitation effect is not generated, so that the path where the ultrasonic wave passes or the ambient tissue can not be damaged; and the functions of the common tissue and organs are protected.
Owner:黄品同 +1
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