13results about How to "No resistance" patented technology

The stamping die comprises a bottom plate and a supporting table arranged on the top face of the bottom plate, a lower die base is fixedly arranged in the supporting table, an upper die base is movably arranged on the top face of the lower die base, and a die cavity is defined by the upper die base and the lower die base; a fence is fixedly arranged on the top face of the upper die base, and a cleaning mechanism is arranged on the surface of the lower die base. According to the stamping die for machining the automobile trunk lid, through the arrangement of the cleaning mechanism, waste in the die cavity can be blown out and cleaned away after one-time stamping operation is finished, the top face of the die cavity is in a closed state, and the problem that the waste is blown out of the die cavity to increase the cleaning difficulty is solved; and the problem that waste in the material receiving box is blown up again and drifts into the die cavity during subsequent cleaning can be avoided, and the cleaning difficulty of personnel is reduced.

The invention belongs to the field of overhead transmission lines of power systems, and relates to a vibration damping spacing device for multiple insulator strings, which comprises a horizontal vibration damping connecting component connected with the insulator strings in the horizontal direction, and the horizontal vibration damping connecting component comprises a connecting plate, a first vibration damping assembly, a second vibration damping assembly and a third vibration damping assembly. The upper portions and the lower portions of the ends, close to each other, of the two connecting plates are movably connected with one end of a first vibration reduction assembly, the other end of the first vibration reduction assembly is movably connected with small triangular plates, a second vibration reduction assembly is movably connected between the two small triangular plates, and the two sides of the second vibration reduction assembly are movably connected with one ends of two third vibration reduction assemblies. And the other end of the third vibration reduction assembly is movably connected with one side of the first vibration reduction assembly, so that a triangular structure is formed among the three vibration reduction assemblies. According to the invention, the absorption efficiency of vibration energy is high, and the vibration reduction effect is better especially for large-amplitude vibration and swing between multiple insulator strings.

The invention discloses an application of a konjac glucomannan oligosaccharide mixture in preparation of an anti-HSV-1 medicine. The konjac glucomannan oligosaccharide mixture is obtained by performing membrane separation and purification on a primary product generated after hydrolysis of recombinant beta-mannase by taking white konjac fine powder produced in Yunnan as a substrate. The konjac glucomannan oligosaccharide mixture mainly contains oligosaccharides such as glucomannan disaccharide, glucomannan triose, glucomannan tetraose, glucomannan pentasaccharide and the like. Wherein the content of glucomannan oligosaccharide (disaccharide to pentasaccharide) reaches 70% or above. In-vitro experiments of the konjac glucomannan oligosaccharide mixture show that the konjac glucomannan oligosaccharide mixture has the activity of resisting HSV-1 wild strains and HSV-1ACV drug-resistant strains and has the characteristics of low cytotoxicity and medicine and food homology, and a new method is provided for preparing the medicine for treating and preventing diseases caused by infection of the HSV-1ACV drug-resistant strains.

The present invention discloses a method and mold for electromagnetic back pressure coupling ultrasonic assisted forming of a vortex disk of a new energy vehicle. The mold adopts an ultrasonic assisted system, a forming mold system and a magnetic suspension back pressure system. The forming mold system includes a blank, a forming upper mold and a forming lower mold. The blank is arranged between the forming upper mold and the forming lower mold. The ultrasonic assisted system includes an ultrasonic vibration mechanism, which is connected to the blank and is used to transmit ultrasonic vibration to the blank. The magnetic suspension back pressure system includes a push-down magnetic suspension back pressure device, which rises and suspends at a set speed to realize back pressure and complete the molding of the product. The back pressure forming mold of the present invention, which uses a push-down magnetic suspension device to provide back thrust, has a simple structure, is easy to replace, and has a longer service life. It can reduce the heating temperature of the blank, save energy, and is more economical and environmentally friendly.

The invention discloses an efficient discharging device for ton bag carbon black, and belongs to the technical field of carbon black discharging. The efficient discharging device comprises a material box which is a main body of the efficient discharging device for ton bag carbon black; the discharging groove is formed in the middle of the bottom of the material box; the carbon black ton bag is placed in the material box; the limiting assemblies are arranged above the two sides of the material box; the joint cutting assembly is arranged on the lower portion of the interior of the material box. By arranging the joint cutting assembly, the rotating roller can be rotated through the rotating shaft in the falling process of the carbon black ton bag, due to the downward extrusion force of the carbon black ton bag, the bottom of the carbon black ton bag can be cut open through the rotating conical cutter so that discharging of the carbon black ton bag can be facilitated, and after the rotating roller is rotated again, the two supporting rollers can be supported on the two sides of an opening of the carbon black ton bag correspondingly; therefore, the carbon black falls more smoothly; when carbon black in the carbon black ton bag falls, it can be ensured that the bottom does not meet resistance, meanwhile, the carbon black ton bag can be stabilized and smooth falling of the carbon black can be promoted through the supporting rollers, and the discharging efficiency and accuracy are further improved.

The present invention relates to a preparation method of a deoxyribonucleotide zinc salt with skin barrier repair efficacy, the method comprising taking fish testis and washing it with SSC buffer; adding SSC buffer to the obtained milt, breaking it into a homogenate, adding SSC buffer to homogenize it, centrifuging it to clarify the supernatant after homogenization; then digesting it in a water bath, adding ethanol to the supernatant obtained after digestion, and obtaining PDRN sodium salt; adding PDRN sodium aqueous solution to zinc salt solution, adjusting pH, stirring, standing, centrifuging, and drying to obtain PDRN zinc salt. While reducing the steps of preparing PDRN, the present invention controls the temperature during the extraction process, does not produce local high temperature, and avoids affecting the quality of PDRN. At the same time, in the zinc salt solution, by ion exchange, the method of adjusting the pH value is directly converted into the precipitation of PDRN zinc salt. The obtained PDRN zinc salt is applied to skin damage repair, realizing barrier repair, scar elimination, acne marks, anti-aging, wrinkle removal, sun protection and regulating the stability of the internal environment of the skin after skin damage.

This utility model discloses a novel wine box, including a base box body, a top box body on the upper surface of the base box body, an inner liner fixedly connected to the inner bottom wall of the base box body, a limiting groove on the upper surface of the inner liner, and a transparent plate fixedly connected to the inner wall of the upper surface of the top box body. The base box body and top box body are mainly made of grey cardboard, which improves the box's rigidity and moisture stability, reduces the risk of deformation, and can withstand greater tensile and compressive forces, meeting environmental protection requirements. Meanwhile, the transparent plate on the top box body is made of transparent acrylic sheet, allowing direct viewing of the complete product inside the box after packaging. The base box and top box face paper are red tactile paper, fully wrapping the outer surface of the wine box, changing its color to red. The red tactile paper decoration makes the surface of the wine box smooth and delicate to the touch, with no obvious resistance, uniform color tone, no halftone dots, rich color, and a high-end visual effect.

The application provides a differential pressure driving turning method and device based on tail combined jet flow and suction flow, and the method comprises the following steps: constructing combined jet flow and suction flow excitation circuits with zero net mass flow on the left and right sides of the tail of an underwater vehicle respectively; independently regulating and controlling the start-stop and working intensity of the combined jet flow and suction flow excitation circuits on the left and right sides by a control unit, so that flow separation bubbles and local low-pressure areas are formed on one side of the tail or flow separation bubbles and local low-pressure areas with different intensities are formed on both sides of the tail; a yawing moment is generated by the differential pressure of the tail, effective turning force can still be provided under low-speed working conditions, and the low-speed failure problem of traditional rudders is solved; the structure is simple and convenient to modify: there is no exposed mechanical rudder surface and multiple propeller structure, the circuits are integrated in the tail, and the modification cost is low and the adaptability is strong.

The utility model discloses a single-action quick-contraction air cylinder which comprises a cylinder body, a piston and a piston rod are arranged in the cylinder body, an air inlet communicated with a rod cavity is formed in the front end of the cylinder body, an air outlet communicated with a rodless cavity is formed in the rear end of the cylinder body, a buffer plate is arranged at the tail end of the piston rod in a sleeved mode, and the buffer plate and the piston are arranged in a spaced mode. A spring is embedded in the buffer plate, and the other end of the spring is attached to the piston. By means of the mode, the single-action quick-retraction air cylinder can buffer the piston through the spring and the buffer plate, the piston is prevented from impacting the cylinder bottom at a high speed, the structure is simple, the buffer effect is good, and the machining precision requirement of the air cylinder is lowered.

The invention relates to the field of animal feed production, in particular to animal feed intelligent production equipment which comprises a fermentation barrel, a mounting ring, a connecting frame, a barrel cover and the like. The fermentation barrel is connected with a mounting ring; a connecting frame is arranged on the mounting ring; the connecting frame is composed of an outer connecting ring, a plurality of connecting rods and an inner connecting ring. And the inner connecting ring is connected with a barrel cover. According to the device, the barrel cover moves downwards to extrude air in the cavity on the lower side, the air is exhausted upwards to the outside through the exhaust port, the air in the cavity is completely exhausted, meanwhile, the cavity between the barrel cover and residual feed disappears, the exhaust port is closed by the closing block again, the residual feed is isolated from the outside through the barrel cover, and therefore the residual feed is separated from the outside through the barrel cover. The residual feed is sealed, fermented and stored, so that the situation that after part of feed is taken, external air enters a cavity generated by taking away the feed, the anaerobic fermentation environment is affected, and fermentation and storage of the residual feed are not facilitated is avoided.

The utility model provides a belt detection device with a self-cleaning function in order to solve the technical problem that the belt detection device is difficult to realize continuous and accurate monitoring due to the defects that the existing method for cleaning the belt detection device does not have instantaneity, stubborn stains cannot be cleaned and the cleaning function is lost due to dust accumulation. Comprising a shell, a linear light source assembly, an industrial linear array camera, a glass window and a self-cleaning mechanism, the linear light source assembly and the industrial line-scan digital camera are arranged in the shell, an image of the belt is reflected to the industrial line-scan digital camera for imaging through the glass window by means of refraction of light, and the self-cleaning mechanism comprises a driving mechanism and a brush head which is connected with the working end of the driving mechanism and located on the outer surface of the glass window. The driving mechanism drives the brush head to transversely reciprocate along the outer surface of the glass window, and the outer surface of the glass window is deeply cleaned in cooperation with water spraying of the water outlet.

This invention relates to an insecticide composition and its application method. The composition comprises two active components, A and B, wherein component A is selected from benzamide compounds represented by general formula I, and component B is selected from flupyrimin. The composition of this invention has advantages such as significant synergistic effect and delayed resistance development, and can be used to control a variety of pests.

The invention belongs to the technical field of bioengineering, and relates to a recombinant engineering bacterium and application thereof in preparation of mannitol, and the recombinant engineering bacterium is a plasmid-free strain for producing a cofactor NAD < + > by using cheap xylose and nicotinamide. The following genes are knocked out from the strain: a gene ptsG for coding protein EIICBGlc in a glucose PTS system, mtlA for coding EIICA protein in D-mannitol transmembrane transport, a D-mannitol 1-phosphate dehydrogenase gene mtlD in a D-mannitol utilization path, purine de novo synthesis regulation protein purR, and srlAE in a sorbitol utilization gene cluster. The following genes are integrated in a genome of the strain: glucose transport assisting protein glf, glucokinase glcK, xylose utilization gene cluster xylose isomerase xlyA and xylulose phosphorylase xlyB, phosphoribose pyrophosphate synthetase prs, polyphosphate kinase ppk2, nicotinamide phosphoribose transferase nadV and nicotinamide mononucleotide adenylate transferase nadM. The strain is fermented by using glucose and xylose, and provides chassis bacteria for reaction needing cofactor circulation.