138results about How to "There will be no shedding phenomenon" patented technology

The invention relates to a process for casting a wear-resistant hammer head, in particular to a process for casting the wear-resistant hammer head by compounding two kinds of metal liquid. A method for synchronously smelting and pouring the two kinds of metal liquid, and molding by using a stripping plate molding machine is adopted. The process comprises the following steps of: manufacturing a mold, a core box, a sand core and the stripping plate molding machine, molding, smelting, pouring, opening the box for cleaning, and performing heat treatment. The hammer head cast by the process has the characteristics of high toughness, strength and wear resistance, the conditions of cracking and falling-off of a hammer handle and the hammer head can be avoided, and wear resistance is high; the stripping plate molding machine is convenient and easy to use, a casting mold is standard, production efficiency is high, and production cost is low; meanwhile, multiple purposes can be achieved, and hammer heads of multiple specifications can be provided for users.

The invention discloses a method for directly growing nickel oxide and cobalt oxide and a complex energy storage material thereof on a titanium substrate. The method comprises the following steps of: growing a titanium dioxide nanotube on the surface of the titanium substrate by an anodic oxidation method; soaking in a citric acid solution to further increase the hydroxyl concentration of the wall of the titanium dioxide nanotube; putting the prepared transition metal solution and the treated titanium substrate into a reaction kettle, and performing hydrothermal reaction; and roasting the reacted titanium substrate in N2 atmosphere to obtain a product. Experimental conditions are simple, the requirement on the precision of an experimental instrument is low, the method is easy to operate, and the grown product film is uniform, is stably combined with the titanium substrate and has high energy storage performance, so the method is suitable for preparing the energy storage material taking metal titanium as the substrate.

The invention relates to an outer wall waterproof structure which comprises a polymer cement waterproof paint layer, seamed woven polyester cloth and a waterproof anti-crack mortar layer. An insulating layer or a leveling layer of an outer wall is coated with the polymer cement waterproof paint layer. The seamed woven polyester cloth adheres to the polymer cement waterproof paint layer and is coated with the waterproof anti-crack mortar layer. The outer wall waterproof structure is not prone to damage, the anti-crack performance and the waterproof effect are good, the wall can be effectively prevented from falling off, and the service life is long. According to the outer wall waterproof structure, good social benefits and economic benefits further can be achieved, personnel or property loss caused by fall-off of the wall can be avoided, replacement of the outer wall waterproof structure is reduced, and the maintenance cost is reduced.

The invention provides a production method of a graphene/ceramic composite filter membrane. The method comprises the following steps: preparing a graphene oxide solution with a certain concentration; allowing the graphene oxide solution to seep in the surface of a ceramic filter membrane and micropores of the ceramic filter membrane; and reducing a graphene oxide/ceramic filter membrane to obtain the graphene/ceramic composite filter membrane. The method allows the graphene oxide solution to seep in the micropores of the ceramic filter membrane, and avoids just adsorption of the graphene oxide solution to the surface of the ceramic filter membrane in the prior art, so the aperture dimension of the micropores in the ceramic membrane is reduced; graphene oxide is reduced into graphene, so grapene and the ceramic filter membrane are bonded through chemical bonds, and the phenomena of shedding of the graphene oxide and dissolution of the graphene in the solution are prevented; and the filtering performance of the graphene is bonded to the ceramic filter membrane, so the filtering separation effect and the mechanical strength of the graphene/ceramic composite filter membrane are improved.

The invention relates to a battery machining robot. The battery machining robot comprises an adjusting device, a two-way telescopic plate, two symmetric air cylinders, a button battery clamping deviceand a cylindrical battery clamping device; the front end of the adjusting device is installed at the upper end of the two-way telescopic plate, the two symmetric air cylinders are installed in the middle of the two-way telescopic plate, and the top ends of the symmetrical air cylinders are installed at the outer ends of the two-way telescopic plate through flanges; and the button battery clampingdevice is installed on the right side of the lower end of the two-way telescopic plate, and the cylindrical battery clamping device is installed on the left side of the lower end of the two-way telescopic plate. According to the battery machining robot, the problems that in the present process of producing batteries, people need to grab the different types of batteries, when the button battery isgrabbed, due to the fact that the button battery is relatively small, jumping and flying of the button battery are prone to occurrence during grabbing by people, and people possibly have blurred vision and then miss grabbing the button battery during long-term grabbing, and in addition, when a cylindrical battery is grabbed, people usually grab the middle part of the cylindrical battery, and thenthe grabbed cylindrical battery possibly falls off due to sweating of hands can be solved.

The invention discloses an automatic needle insertion machine for a wooden comb. The automatic needle insertion machine comprises a workbench, a work station, a sliding rail and a machine tool used for performing stamping operation on the work station; one end of the sliding rail is connected with the machine tool; the other end of the sliding rail extends to the side part of the workbench; and the work station can make reciprocating motion on the sliding rail and comprises a sliding sleeve matched with the sliding rail, a connecting part which is connected to the sliding sleeve in an overturning manner, a positioning plate body fixedly arranged on the connecting part, a finished product collection plate body detachably connected with one side of the positioning plate body and a stamping part arranged on the other side of the positioning plate body. Through adoption of the automatic needle insertion machine, traditional manual assembly is abandoned, and automatic stamping operation is adopted to assemble the comb, so that the assembly efficiency of the comb is greatly improved, the firmness of the comb is improved at the same time, and the product performance is more stable.

The invention discloses a multi-color solder mask layer. Different colors of the solder mask layer can be used for distinguishing a functional area or a special area. According to the solder mask layer, one or more colors different from the background color are used for being displayed as characters, and accordingly the character printing procedure is omitted.

The invention discloses a chain detection device and a tension adjusting device for the chain detection device. The chain detection device comprises a bottom cabinet, a gravity sensor and bottom plates, an embedding groove is formed in the top of the bottom cabinet, the gravity sensor is installed in the embedding groove, and two sets of bottom plates are installed at the top of the bottom cabinet; cylinders are installed at the tops of the two sets of bottom plates, lifting structures are installed on the bottom walls of the cylinders, the outer surfaces of the two sets of cylinders are sleeved with lantern rings, and long rods are installed on the outer walls of one sides of one set of lantern rings and one side of the lifting structure. When the device is used, the top end and the bottom end of a chain can be connected with the two sets of limiting plates through the internal separation grooves correspondingly, the mode of fixing the chain can be used for chains of different specifications, tension detection can be conducted on the fixed chain through the cooperation effect of the lifting structure and the gravity block, and gravity adjustment can be facilitated; the device can perform dead knot detection on the chain, and the electric telescopic cylinder in the device can be conveniently disassembled and overhauled.

The invention discloses a pet toy, a two-color molding module and a two-color secondary vulcanization molding process. The pet toy includes a base body of a first color, the base body is provided with a groove, and a groove is formed in the groove. There is a stripe part with a second color that protrudes outward, and the stripe part and the base body are integrated into an integral molding part; the module includes a base body forming mold and a stripe part forming mold, and the base body forming mold is provided with a mold for forming the base body. The convex part of the groove on the outer surface of the body, the stripe part forming mold is provided with two oppositely arranged side blocking parts inserted into the groove on the base body, and a stripe part for forming a stripe part is formed between the two oppositely arranged side blocking parts The striped groove, the injection flow channel of the striped part forming mold is communicated with the striped groove; the two-color secondary vulcanization molding process includes moving the formed matrix out of the matrix forming mold, and placing it into the striped part after the installation is completed. In the mold, the step of ensuring that the side stop is placed in the groove of the base body.

The invention discloses efficient wallpaper powder which is prepared by stirring and mixing the following components in percentage by weight: modified polyvinyl alcohol resin, carboxymethylcellulose, bentonite, a mildew preventive and gelatinized starch. According to the efficient wallpaper powder, the used materials are environment-friendly materials, and are nontoxic and harmless. The optimum proportions of the gelatinized starch and polyvinyl alcohol are optimized; and the condition that an adhesive has relatively high viscous force is ensured. In addition, the bentonite is added, and the carboxymethylcellulose is compounded for use, so that the adhesive force of the wallpaper is further improved; the painting resistance of the adhesive is improved; the construction is relatively smooth; the adhesive does not splash in the painting process; the wallpaper does not generate the phenomena of edge warping and dropping after being used for a long period time; and the efficient wallpaper powder is good in construction effect and is convenient.

The invention discloses a metallized plating solution and a method for metallizing the surface of a magnesium alloy product. Every one littler of metallized plating solution comprises 15g of nickel sulfate, 25g of sodium hypophosphite, 20mL of 20% sodium hydroxide and 3g of lithium fluoride, wherein the solvent is water. The method for metallizing the surface of the magnesium alloy product comprises the following steps: degreasing; acid washing; acid activating; alkaline activating; chemical nickel-plating; electrolyzing and activating; and copper plating and chrome brightening. The metallized plating solution disclosed by the invention has the beneficial effects that the coating made from the metallized plating solution has high wear resistant and corrosion resistant performances and particularly has an extremely strong adhesive to a matrix; if even the product is broken, falling of the plating layer is further avoided; the plated part obtained by the method provided by the invention has the advantages of bright surface luster and color, very high surface quality and excellent wear resistant and corrosion resistant performances; the plated part still can maintain a very high adhesive force under a high impact.

The invention relates to firefighter protection suit outer layer fabric and a manufacturing method thereof, and belongs to the technical field of textile fabric. The firefighter protection suit outer layer fabric can be obtained in the way that the surface of finished aramid fiber fabric is coated with a layer of alumina gel. The alumina gel comprises, by mass, 3-6 parts of powdered aluminum, 65-70 parts of waterborne polyurethane emulsion, 20-30 parts of polyvinyl acetate emulsion, 2-4 parts of nano silica powder, 10-15 parts of 9,10-dihydro-9-oxa-10-phosphaphenanthrene-10-oxide, 15-19 parts of polyving akohol, 10-15 parts of ethanol and 5-10 parts of water. The firefighter protection suit outer layer fabric not only has excellent high-temperature resistance and thermal protective performance but also has excellent fire resistance; moreover, the softness and comfortableness are high, the air permeability is splendid, and great wearing comfortable sensation is given to firefighters.

The invention discloses an engineering multi-level mechanical part transporting device. The engineering multi-level mechanical part transporting device comprises a small-sized loading vehicle; a placing cabinet is arranged at the middle part of the top of a bearing end of the small-sized loading vehicle; a power mechanism is arranged on the left side of the top of the bearing end of the small-sized loading vehicle; a tool placing box is arranged on the right side of the top of the bearing end of the small-sized loading vehicle; the placing cabinet comprises a cabinet body; and a fixing plate is fixedly connected with the bottom of the cabinet body. As the small-sized loading vehicle, the placing cabinet, the power mechanism and the tool placing box are arranged, mechanical parts are more convenient during transportation; and meanwhile, through adoption of a multi-level layout, the engineering multi-level mechanical part transporting device can load different mechanical parts so that damaged equipment in engineering construction is more convenient during maintaining and changing the parts, and time and labor can also be saved for overhauling personnel; and meanwhile, the progress ofthe engineering construction cannot be delayed; and therefore, the engineering multi-level mechanical part transporting device can meet use demands in the engineering construction.

The invention relates to a positive-pressure aluminum extraction device for aluminum liquid, and in particular relates to a raw aluminum liquid extraction device. The raw aluminum liquid extraction device comprises a ladle cover with a ladle beam hook and a ladle bag with an aluminum pouring port and a ladle pipe. The raw aluminum liquid extraction device is characterized in that a circular ring of which the edge is provided with a groove is fixed on the top of the ladle bag; an asbestos cord is coiled in the groove; a boss matched with the groove of the circular ring is formed on the ladle cover; and opening and closing devices are uniformly distributed along the circumference between the ladle cover and the ladle bag. The raw aluminum liquid extraction device is simple in structure, reliable in use and convenient to clean, is safe and unique, and can enhance the aluminum extraction and ladle bag cleaning speed, improve the working efficiency and reduce the harm of dust to ladle cleaning personnel.

The invention discloses an aluminum sheet encapsulating protective jacket and a production process thereof. The protective jacket comprises a bottom plate adaptive to a bottom surface of a cellphone in shape and size, and an outer aluminum frame adaptive to an outer frame of the cellphone in shape and size; the inner wall of the outer aluminum frame is subjected to injection molding of an adhesive to form an inner soft adhesive frame wrapping the inner wall of the outer aluminum frame; the position, close to the edge, of the bottom end of the bottom plate downwards extends to form a snap ring; the inner soft adhesive frame is inwards sunk to form a circle of clamp slot adaptive to the snap ring in shape and size; after the clamp ring is clamped into the clamp slot; the bottom plate is fixedly connected into the inner soft adhesive frame and defines a containing cavity adaptive to the cellphone in shape and size together with the outer aluminum frame. The inner soft adhesive frame fully wraps the inner wall of the outer aluminum frame, and soft adhesive full wrapping is adopted to isolate the outer surface of the cellphone from the outer aluminum frame, so that a phenomenon that the surface of the cellphone is of scraped is effectively avoided; moreover, through the full wrapping, a good buffering effect is realized, and the cellphone is directly fixed in the inner soft adhesive frame, thus ensuring stable structural strength and avoiding a phenomenon that the cellphone is separated from the protective jacket after falling down.

The invention discloses a high-weather-resistant bare concrete protection agent which comprises, in weight percent, 20-45% of composite inorganic fillers, 15-30% of organic silicone emulsion, 10-30% of silicone acrylic emulsion, 1-3% of thickening agents, 0.2-1.5% of flatting agents and 0.5-2.0% of preservatives. The composite inorganic fillers are compounds of sericite, calcium carbonate, kaolin,hydrophilic air-phase silicon dioxide and titanium dioxide. The bare concrete protection agent is applied to protection of bare concrete has the advantages that the protection agent is good in waterproof and breathable effect and resistant in ultraviolet irradiation, durability of the bare concrete can be remarkably improved, and discoloring and falling of protection layers are omitted. Production devices of the bare concrete protection agent are simple and less in energy consumption, green and environmentally friendly, by-products are avoided, and post-treatment is omitted.

The invention provides cinnabar coloring paint which is good in adhesion. After a cinnabar painting is colored, the paint can be well attached to the surface of the cinnabar painting and not prone to peeling off. Meanwhile, cured high-aluminum powder, modified nanowhisker materials, dimethyl fumarate, polyurethane resin, polytetrafluoroethylene, zinc stearate, dibutyl phthalate, silicone macromonomer and a white oil component are added. Adhesion of the cinnabar coloring paint is guaranteed, meanwhile, gaps between all colored substances of the cinnabar coloring paint are small, the outer surface of the colored part of the cinnabar painting forms a smooth curved face, and the cinnabar painting looks natural.

The invention discloses an anti-slip optical fiber coupler capable of being accurately positioned and installed, which comprises a coupler body, a fixed box, a belt wheel mechanism, an optical fiber head and an optical fiber cable. A resistance pad is pasted on one side of the coupler body. A movable block is movably installed on the inner side of a through groove, and a fixed rod is fixed on the side surface of the movable block. The side face of a guide block is connected with a fixed box through a limiting rod. Protection boxes are fixed to the two ends of the coupler body. A connecting rod is movably arranged in an installation hole. An installation cylinder penetrates through the protection boxes. A movable groove is formed in the position, on the outer side of a movable rod, of the installation cylinder. A movable shaft is sleeved with the belt wheel mechanism. The anti-slip optical fiber coupler capable of being accurately positioned and installed is provided with a structure for locking the optical fiber cable and the coupler, the optical fiber cable can be prevented from being separated from the coupler when being pulled, and a reserved line is arranged after the optical fiber cable is connected, so that subsequent maintenance operation is facilitated.

The invention relates to the technical field of AR glasses, in particular to AR glasses convenient to wear and a using method thereof. The AR glasses comprise AR glasses, an auxiliary device, an adjusting device, glasses brackets and a positioning device. The auxiliary device is arranged on the inner side of the AR glasses. The adjusting device is arranged in the center of the inner side of the ARglasses. Glasses brackets are arranged on the left side and the right side of the front end surface of the AR glasses. The glasses bracket is rotatably connected with the AR glasses. A positioning device is arranged on the outer side of the AR glasses. The positioning device comprises a rack, a support frame, a rubber pad, a gear, a positioning frame and a protective sleeve. A support frame is arranged on the outer side of the glasses bracket. in the AR glasses, through arranging the auxiliary lens, in cooperation with spiral connection of the screws, the auxiliary lenses and the supporting plates, sliding connection of the clamping blocks and the supporting plates and elastic force of the springs to the limiting plates, when the device is used, by additionally arranging the auxiliary lenses for vision correction, the device can be conveniently used by people with poor vision, and therefore the application range of the device is greatly widened.