114results about How to "No change in appearance" patented technology

The invention discloses a highly-wear-resistant super-hydrophobic composite coating and a preparation method thereof. The preparation method includes the steps that the surface of a base is coated with hydrophobic resin primer containing compound micropowder through a brush coating or spray coating method, the surface of the resin primer is sprayed with hydrophobic organic / inorganic hybrid nano-paint after semi-curing, and the highly-wear-resistant super-hydrophobic composite coating is obtained after complete curing. The highly-wear-resistant super-hydrophobic composite coating and the preparation method thereof have the advantages that equipment and the process are simple, operation is easy and cost is low, and have the industrial mass production prospect. The prepared super-hydrophobic composite coating can be applied to various hard / soft bases such as glass, copper, aluminum, stainless steel, exterior wall tiles, wood, paper and cloth and can bear damage of external force such as sanding.

The invention discloses a comfortable shoe with waist iron blocks respectively arranged at an outsole and a midsole. The comfortable shoe comprises a shoe main body. The shoe main body comprises the outsole and the midsole. A midsole plate and a midsole waist iron block are arranged in the midsole. A single midsole insert is arranged in the midsole. The midsole waist iron block is arranged at a position above the midsole plate. The single midsole insert is arranged at a position above the midsole waist iron block. The midsole waist iron block, the single midsole insert and the midsole plate are integrally arranged. An outsole waist iron block is arranged in the outsole. Since the hardness of the part of the traditional midsole in contact with a foot is high and the part has certain thickness, people wearing the shoe with the traditional midsole feel uncomfortable. Through thinning the midsole, arranging the outsole waist iron block in the outsole and reinforcing the structure of the outsole, the appearance of an original leather shoe is not required to be changed and the height of the back part of the shoe is not required to be increased. Moreover, since a 6mm-thick foot bed type foot pad made of elastic PU or high-foaming material and matched with the shape of the bottom of the foot is arranged in the shoe main body, people wearing the shoe can feel comfortable and the stability is better.

The reformable soft gasket consists of chloroprene rubber 2-10 wt%, teflon emulsion 50-84 wt%, silk floss or polymer fiber 3-20 wt%, reinforcing stuffing 0.5-5 wt%, lubricating oil 10-20 wt%, plasticizer 0.5-3 wt% and graphite 0-24 w. The gasket of the present invention has the features of excellent sealing performance, high durability, low friction coefficient, no need of water cooling, good self-lubricating performance, no wear of shaft and muff, power saving, corrosion resistance, capacity of being reused, etc.

The invention discloses a method for reinforcing, sealing and protecting weak paper through a spinning film coating technology. High polymer sol generates micro / nano fiber membranes at normal temperature and normal pressure under the action of high voltage static to cover the paper surface so as to improve the tensile strength and elongation of the paper and effectively avoid secondary pollution of the paper generated by external pollutants such as dust mite, dust and mould. The method can be realized at normal temperature and normal pressure, thereby being simple and practicable, the spinning speed is high, the treatment process is free of pollution, and no obvious change occurs on the reinforced paper or the writing and pigments on the paper surface.

The invention relates to novel sulfate corrosion-resistant concrete. The sulfate corrosion-resistant concrete comprises the following components according to cubic amount kg / m<3>: 360-450 kg / m<3> of cement, 50-100 kg / m<3> of slag powder, 50-100 kg / m<3> of coal ash, 30-50 kg / m<3> of stone powder, 690-760 kg / m<3> of fine aggregate, 1000-1080 kg / m<3> of coarse aggregate, 3.0-4.2 kg / m<3> of water reducing agent and 140-160 kg / m<3> of water. After 150 times of wet and dry cycles, the compressive strength and the corrosion-resistant coefficient of the sulfate corrosion-resistant concrete are more than 90% and the appearance of the sulfate corrosion-resistant concrete has no significant change; and working requirements on the production process, long-time transportation, and pumping of premixed concrete and the like can be met.

The invention relates to modification of Chinese zither in order to solve issues of inflexion device: not accuracy tone and slow adjusting speed. Inflexion device is setup at case of musical instrument axis in head of the instrument. Gear wheel of camshaft in chassis of inflexion device through cluster gear is connected to electric motor. The said cam is touched to instrument adjusting part, which is touched to strings. Pin on the adjusting part is setup inside lead hole of fixing sheath. There are springs between locator card ring of fixing sheath and the pin. Oil-sealing sleeve is setup outside adjusting part at top of the fixing sheath. Runable carriage with chain wheel is between the adjusting part and string pillow. The said runable carriage is in slideway fixed on surface of instrument body.

The invention discloses high-performance wind-power generating facility coating prepared by taking organic fluorinated silicone modified elastic polyurethane-urea resin as substrate. The high-performance wind-power generating facility coating is prepared from component A and component B according to proportion. The wind-power generating facility coating has toughness, attrition resistance, high elasticity, excellent mechanical property, yellowing resistance, good colour retention, high ultraviolet resistance, high weather resistance, favorable and excellent electrical insulation, chemical stability, moisture resistance and freeze resistance. In addition, the wind-power generating facility coating has high performance and moderate cost and can strongly protect the wind-power generating facility, reduce the maintenance frequency and lower the purchasing cost of the wind-power generating facility, thereby having extremely high implementation value and social and economic benefit.

The invention provides an automobile wind energy assistance energy recovery device, which belongs to the technical field of automobile manufacturing. By adopting the device, the problems that a storage battery is charged only through a wind driven generator, whereas assistance cannot be provided for automobile driving by the traditional automobile are solved. The automobile wind energy assistance energy recovery device is arranged in an automobile body and is located at the position of a radiator assembly at the front end of the automobile. The device comprises a drive motor, a storage battery and a stand-by motor which is connected with the storage battery through an electric wire; the drive motor is connected with a connecting shaft through a transmission mechanism I; the stand-by motor is connected with an impeller shaft through a transmission mechanism II; the impeller shaft is connected with an impeller of which the direction of rotation is same as that of the drive motor; and the connecting shaft or the impeller shaft is fixedly connected with a clutch located between the connecting shaft and the impeller shaft. The automobile wind energy assistance energy recovery device not only can be used for charging the storage battery of the automobile but also can be used for providing the assistance for the drive motor of the automobile and has the advantages of high wind energy use ratio, reasonable arrangement, high safety and the like.

A composite material used for the shell of car is prepared through proportionally mixing resin with diluent, solidifying and toughening agent, coating the mixing on the fibrous fabric, semi-solidifying, laminating them on a die, accelerating its solidification in a heating and pressurizing container, cooling and removing die.

The invention discloses a carbon crystal heating wall heating product and a production process thereof. The carbon crystal heating wall heating product comprises a carbon crystal heating plate, a reflecting heat insulation plate and a fixing frame. The carbon crystal heating plate comprises a surface protecting layer, a decorating layer, a connecting layer, a heating layer, an insulation layer, a carbon crystal heating film, a first conductive copper bar and a second conductive copper bar. The reflecting heat insulation plate comprises an upper reflecting layer, a heat insulation layer and a lower reflecting layer. The first conductive copper bar and the second conductive copper bar are fixed at two ends on the same side of the heating layer. The carbon crystal heating film is printed on one side of the heating layer where the conductive copper bars are fixed through a silk-screen printing method, and two ends of the heating film are in contact with the first conductive copper bar and the second conductive copper bar. The surface protecting layer, the decorating layer, the connecting layer and the insulation layer are sequentially connected and fixed. The carbon crystal heating plate and the reflecting heat insulation plate are connected and fixed through the fixing frame. The carbon crystal heating wall heating product has the advantages of being long in service life, not easy to age, not prone to be yellow, high in heating efficiency and the like. A protruding process is environmentally friendly, high in efficiency and strict in quality control.

The invention discloses a detection and evaluation method of glass curtain wall structural adhesive bonding strength. The method comprises the following steps of first, determining frequencies of a high frequency signal and a low frequency signal according to a group speed and frequency response of a glass panel dispersion curve, and forming sound modulation excitation signals; second, sending a low frequency vibration excitation signal and a high frequency vibration excitation signal in a dual-vibrator way, so as to enable high and low frequency excitation signals to reach a bonding interface simultaneously, and receiving a nonlinear signal of the bonding interface through a reflection manner; third, decomposing the nonlinear signal by using an empirical mode, and acquiring a characteristic signal sent out by the bonding interface of the glass and the structural adhesive; fourth, analyzing a power spectrum of the characteristic signal, obtaining a nonlinear coefficient of the characteristic signal, and resolving an energy value of the characteristic signal by using a wavelet energy method; and fifth, obtaining bonding strength levels of the glass curtain wall structural adhesive and the glass according to the nonlinear coefficient and energy value of the bonding interface. The method makes detection simplified and light weight.

The invention discloses a tip contact type parallel electrode welding head for directly welding enameled wires in the field of resistance welding. The tip contact type parallel electrode welding head comprises a parallel mosaic electrode welding head body provided with two mosaic electrodes. The parallel mosaic electrode welding head body is provided with a body portion, an electrode tip portion and a mosaic transition portion, the body portion is a mosaic portion of the mosaic electrodes, the electrode tip portion is a portion of a parallel electrode welding head tip formed by electrode extension processing of the mosaic electrodes, and the mosaic transition portion is a portion that the mosaic electrodes are mosaicked to a mosaic and extend to the electrode tip portion. The tip contact type parallel electrode welding head has the advantages that since the two electrodes of the mosaic transition portion are thickened obviously, space between the two electrodes are enlarged obviously, tip contact angle is increased obviously, and distance is lengthened obviously, electrode tip contact force can be increased remarkably, stability and impact resistance of the welding head tip are improved, and service life of the welding head is prolonged effectively.

The invention relates to a quaternary ammonium salt modified hectorite emulsifier and a method for emulsifying ASA (acetylsalicylic acid) by using the quaternary ammonium salt modified hectorite emulsifier and belongs to the technical field of emulsification of papermaking sizing agents. The emulsifier is composed of independently existing quaternary ammonium salt and hectorite; and the mass ratio of the quaternary ammonium salt to the hectorite is 1: (50-500). According to the quaternary ammonium salt modified hectorite emulsifier, the quaternary ammonium salt has high modification efficiency to hectorite, is small in dosage when stabilizing ASA sizing emulsion and has good emulsion effect on the stable ASA sizing emulsion; the ASA sizing emulsion stabilized by the quaternary ammonium salt modified hectorite emulsifier is good in stability, free of granular aggregation or precipitation or water phase separation after being stood still for 24 hours, is hardly hydrolyzed and is small in sizing performance change after being placed for 3 hours and high in sizing efficiency; and compared with ASA emulsion singly stabilized by hectorite, the ASA emulsion stabilized by the emulsifier has greatly improved sizing efficiency.

The invention relates to the technical field of keys of electronic products, and especially relates to a technology for directly printing a pattern on a plastic electroplated key cap. The technology comprises the steps: 1, carrying out the injection moulding of a key cap; 2, coating the insulating cap with insulating oil; 3, carrying out the electroplating of a metal film; 4, washing an insulating oil layer at the bottom of the key cap; 5, printing ink on the surface of the key cap; 6, carrying out assembly. Because the surface of the key cap after injection moulding is coated with the metal film, compared with a mode of employing a pure metal material to process the key in the prior art, the technology is low in production cost, can achieve batch production, and is stable in size of a produced key cap. Moreover, the technology can guarantee the good adhesive force between the printed character or pattern and the metal film, and the printed character or pattern is good in surface hardness, is good in performance of wear resistance, and is resistant to corrosion and oxidation.

The invention concerns a device for opening and distributing a bundle of filaments when producing a nonwoven textile web by a technique which consists in: extruding melted organic polymer through a die perforated with holes, so as to form a bundle or curtain of filaments; then directing the extruded filaments by drawing by means of one or several fluid jets (5); and finally, receiving the bundle of filaments in the form of a web on a mobile conveyor belt (7). The invention is characterised in that it consists of an assembly (6) arranged downstream of the outlet of the drawing assembly (5) and separate therefrom, said assembly comprising, arranged in the proximity of the drawing slot (F) outlet, a diffuser (10) comprising an intake zone (13) shaped as a convergent nozzle extending over the whole width of the installation opposite the drawing slot outlet producing the web, extended by a divergent nozzle, said assembly being associated with a ramp (11) electrostatically charging the filaments before they are received on the receiving belt (7).

The invention provides a bicycle pedal power generation and lighting device. The bicycle pedal power generation and lighting device comprises a power generation device and a lighting circuit, wherein the power generation device is assembled on a bicycle pedal and is used for converting part of kinetic energy generated when the pedal is treaded into electric energy based on the piezoelectric effect of piezoelectric ceramics, and the lighting circuit is used for directly using the electric energy for lighting or directly storing the electric energy. All components of the device are embedded into the pedal and a cross beam of a bicycle, and the appearance of the bicycle is not changed. The bicycle pedal power generation and lighting device saves energy, is environmentally friendly and can achieve power supply for a long period.

The invention relates to ASA (acetylsalicylic acid) sizing emulsion stabilized by quaternary ammonium salt modified hectorite and a preparation method thereof and belongs to the technical field of emulsification of papermaking sizing agents. The sizing emulsion contains ASA, deionized water, quaternary ammonium salt and hectorite, wherein the mass ratio of the ASA to the deionized water is 1: (1-10), the mass ratio of the hectorite to the ASA is 1: (20-200), and the mass ratio of the quaternary ammonium salt to the hectorite is 1: (50-500). The ASA sizing emulsion is good in stability, free of granular aggregation or precipitation or water phase separation after being placed for 24 hours, is hardly hydrolyzed, is hardly changed in sizing performance change after being placed for 3 hours and has high sizing efficiency; and compared with ASA emulsion singly stabilized by hectorite, ASA emulsion singly stabilized by quaternary ammonium salt modified hectorite has the advantage that the sizing efficiency is expected to be greatly improved. Furthermore, the dosage of the quaternary ammonium salt modified hectorite is small, and no surfactant is added.

The invention provides a standard solution used for electrolytic analyzer linear calibration, which is composed of five groups of different-concentration solutions containing potassium ion, sodion and chloridion. The concentration range of the three ions in the standard solution is respectively as follows: 2-8mmol / L of K, 100-180mmol / L of Na, 60-140mmol / L of Cl, and the pH range of the solutions is 7.3-7.5. The invention also discloses the preparing method of the standard solution; the invention provides a widely-used standard solution used for electrolytic analyzer linear calibration and provides guarantee for accurately evaluating instrument performance index.

A shutter curtain lifting prevention structure capable of securing a crime prevention effect by preventing a shutter curtain keeping a fully closed state from being raised even if the shutter curtain is attempted to be forcibly raised from the lower side of a seat plate by using a tool such as a bar. A cutout recessed part (9) is integrally formed in the guide groove (8) of a guide rail (5) by horizontally cutting the indoor side-face part (7b) of a front surface (7) positioned near a floor surface (10) in the vertical direction. Thus, when the seat plate (6) of the shutter curtain (4) keeping the fully closed state is raised, an interlock part (3b) positioned just above the seat plate (6) and bent is locked to the cutout recessed part (9).

The invention discloses a scheme of a double-hole-shaped segmented rotary powder charging solid-liquid rocket engine thrust chamber. The double-hole-shaped segmented rotary powder charging solid-liquid rocket engine thrust chamber comprises a front combustion chamber assembly, a front-segment solid fuel grain, a middle cavity assembly, a back-segment solid fuel grain, a back combustion chamber assembly, a spray pipe assembly and a combustion chamber shell body. The fuel grains are the two segments of double-hole-shaped grains which are the same in geometric shape. The two segments of grains are charged by being rotated at the angle of 30-60 degrees. A middle cavity is formed between the two segments of grains and made of ablation-resistant high-silicon oxygen. The outer wall surface of the middle cavity is bonded with the inner wall surface of the combustion chamber shell body of an engine. When the engine works, the two segments of grains are rotationally charged, and thus the strokes of oxidizers and fuel in combustion chamber bodies are prolonged; and meanwhile, the oxidizers and the fuel can be mixed and combusted more sufficiently due to the existence of the middle cavity and the hindering effect of the end surface of the back-segment grain, so that the combustion rate and the combustion efficiency of the solid-liquid rocket engine are effectively improved.

The invention discloses a preparation method for improving metal hydrophobicity based on a vapor deposition method. The method comprises the steps that 1, the surface oxidation control method is utilized for generating an oxidation metal film on the metal surface; and 2, hexamethyldisilane modifies oxidation metal through the vapor deposition method. By using the manufacturing method of super-hydrophobic metal, surface hydrophobicity of the metal is improved correspondingly, the hexamethyldisilane is cheap and low in toxicity compared with chlorine and fluorine containing reagent, and is friendly to environment, thus the metal does not corrode easily in the humid environment, or does not frost or freeze easily at the low temperature, thus heat conduction to the metal is avoided, the influence on electricity conducting performance is avoided, the stability of metal products and devices is improved directly and substantially, and the property of people and social safety are guaranteed.

The invention relates to a dry-brick rubble wall anti-seismic reinforcement and energy-saving modification integrating method. The dry-brick rubble wall anti-seismic reinforcement and energy-saving modification integrating method includes the steps that a structural adhesive is poured into gaps among stones at the outer side of a wall, at the inner side of the wall, the structural adhesive is adopted to implant L-shaped steel bars into the wall, then, an FRP bar square grid is hung outside the wall, and finally, a polymer mortar surface layer of 25-35 mm depth is smeared. The dry-brick rubblewall anti-seismic reinforcement and energy-saving modification integrating method can effectively solve the problem that adhesion stress among the stones of current dry-brick rubble walls, the integrity and leakproofness of the current dry-brick rubble walls are improved, and the anti-seismic and energy-saving properties of the current dry-brick rubble walls can be obviously improved.

The invention is a voltage-equalizing synthetic insulator for high voltage power line, especially suitable for 10-1000 KV power line and including an insulator, where semiconductor material is applied in partial section of core rod and outer protective layer of the insulator near to electrified end and connected with armour clamp of the electrified end, and able to reduce difference in voltage distribution of the whole synthetic insulator and prolong the practical service life of the synthetic insulator.

The invention discloses a recombined bamboo board stuck energy-dissipating wood structural node, which is characterized by comprising a wood component I (1), a wood component II (2), an internally filled steel plate (3) and metal connecting pieces (5). The recombined bamboo board stuck energy-dissipating wood structural node is used for obviously improving the cross-grain tension resistance of thewood component II and the extrusion bearing capacity at a bolt hole; the bearing capacity, the deformation ability and the energy-dissipating ability of the node are all better; in comparison with arecombined bamboo board unstuck common node, the bearing capacity and the ultimate deformation can be both increased by 50 percent or above; the recombined bamboo board stuck energy-dissipating wood structural node is used for a glued wood frame; the promotion of the antiseismic performance of a wood structure is facilitated, and further, the node is not changed in appearance, is convenient to construct, is simple, easy and feasible, and is convenient to popularize.

The invention provides an anti-blackout communication method based on carrier aggregation and frequency diversity, and the method comprises the steps: detecting the to-ground distance and housing temperature of an aircraft after the aircraft enters the atmosphere, and carrying out the detection of the interruption state of a communication link after the to-ground distance and housing temperature reach a set parameter range; after the communication link is interrupted, modulating the communication information to subcarriers of different frequency bands through an OFDM carrier aggregation technology, wherein the same transmission information is modulated on each subcarrier; and enabling a receiving end to obtain backups of a plurality of pieces of sent information by performing data demodulation on the corresponding subcarriers, merge and judge the information through frequency diversity, and finally recover the sent information.

The invention relates to a measuring while drilling system used for engineering geological drilling, which comprises a power machine, a driving shaft, a reduction box, a chassis, a hydraulic control box, a six-square drill stem, a machine head shell, a cross beam, a vertical shaft, a piston rod and a hydraulic cylinder, wherein the lower part of the vertical shaft is coaxially provided with a torque measuring device; the cross beam is provided with a rotation speed measuring device and a displacement measuring device; the inside of the hydraulic control box is provided with an oil pressure measuring device; the torque measuring device, the oil pressure measuring device, the rotation speed measuring device and the displacement measuring device consist of corresponding sensors and circuit boards; and each circuit board is provided with a microprocessor (CPU) and a bluetooth module. Compared with the prior engineering geological driller, a driller of the measuring system can record the dynam information in the digital mode while drilling like adopting an original position testing measure, acquires continuous, precise and correct data, realizes digital and wireless control and wireless communication, further realizes teledata communication between sites and offices and changes the prior mechanical equipment into the information-based equipment.

The invention discloses a chemical substance-resistant low odor polypropylene composite material. The polypropylene composite material comprises, by weight, 55-90 parts of polypropylene, 5-10 parts ofpolyethylene and 5-25 parts of a filler, and the filler comprises magnesium silicate. All components and contents thereof in the polypropylene composite material interact with each other, and the filler is selected reasonably, so the polypropylene composite material has good chemical substance resistance, low odor and other good comprehensive performances, keeps excellent mechanical performances,and is especially suitable for automotive interior parts. The invention also discloses a preparation method of the chemical substance-resistant low odor polypropylene composite material.