16results about How to "Various sizes" patented technology

The invention discloses a high beam illumination module, and relates to the technical field of car lamps, the high beam illumination module comprises an outer lens unit, an inner lens unit and a light source, the outer lens unit is of an integrally formed structure, and comprises a light emitting surface, a first total reflection surface and a second total reflection surface; the first parallel light enters from the light-emitting surface, is converged by the light-emitting surface and then is sequentially reflected by the first total reflection surface and the second total reflection surface to become second parallel light, and the longitudinal convergence degree is greater than the transverse convergence degree; light emitted by the light source forms middle parallel light after passing through the inner lens unit, and the middle parallel light is reflected by the second total reflection surface and the first total reflection surface in sequence and is finally emitted out from the light emitting surface to form a high beam light type wide in transverse direction and narrow in longitudinal direction. The first total reflection surface and / or the second total reflection surface are / is provided with a plurality of micro-arc-shaped concave surfaces so that light rays incident from the inner lens unit can be transversely expanded, the emitted high beam light pattern can be further transversely expanded, and the high beam light pattern is more uniform.

The invention discloses an electrocatalytic reduction membrane for high-selectivity electrocatalytic low-concentration nitrate water reductive denitrification and a preparation method of the electrocatalytic reduction membrane, and belongs to the technical field of water treatment. The method solves the problems that the removal efficiency of the low-concentration nitrate polluted water body is insufficient by adopting a conventional water treatment process, and the cost is high, the economical efficiency is poor and the environment is not protected when ammonia is directly recovered by adopting an electrocatalytic reduction method. The preparation method comprises the following steps: performing high-temperature pyrolysis on a copper-doped ZIF-8 material to obtain a Cu-CN / CB catalyst, mixing the Cu-CN / CB catalyst with PVDF and acidified CNT, and performing suction filtration to form the electrocatalytic reduction membrane. Carbon black is used as a core to grow copper-doped ZIF-8, the catalyst is obtained after carbonization, metal on the catalyst is uniformly distributed, catalytic sites are dense, and a conductive network is constructed by CNT; and by taking the reduction membrane as a cathode, optimizing the mass transfer efficiency of the catalyst and nitrate in a low-concentration nitrate water body through the CNT-Cu-CN / CB network, and fully completing nitrate adsorption-catalytic degradation in a confinement space.

This utility model relates to the field of building engineering technology and discloses a rapid assembly guide device for prefabricated components. It includes a connecting plate, to which multiple telescopic rods are fixedly connected. A connecting plate is fixedly connected to the outside of each telescopic rod, and a support plate is fixedly connected to the outside of each connecting plate. A driving mechanism is fixedly connected to the outside of the support plate. A guide post is fixedly connected to the bottom of the connecting plate, and a positioning mechanism is fixedly connected to the outside of each guide post. The driving mechanism includes a cylinder, to which a connecting block is fixedly connected. Multiple follower plates are fixedly connected to the outside of the connecting block. In this utility model, the cylinder drives the connecting block, causing the follower plates to move an L-shaped plate, which in turn causes the connecting plate to move a drive plate, which in turn causes the connecting rods to move a fixed plate. This allows the device to adapt to the assembly of different sized panels, improving its versatility.

The utility model belongs to the technical field of smelting, and discloses a copper-tin heterogenous solid waste recovery smelting device which comprises a supporting box, one end of the supporting box is fixedly connected with a power motor, the output end of the power motor is fixedly connected with a first rotating shaft, and the inner surface of the supporting box is fixedly connected with a supporting frame. A first protecting sleeve is fixedly connected to the top end of the supporting frame, one end of a first rotating shaft penetrates through the first protecting sleeve and is fixedly connected with a first bevel gear, a second bevel gear is connected to the outer surface of the first bevel gear in an engaged mode, a second rotating shaft fixedly sleeves the inner surface of the second bevel gear, and the bottom end of the second rotating shaft is rotationally connected with the supporting frame. By arranging the power motor, the pre-treatment effect of waste materials before smelting is greatly improved, a high-quality raw material basis is provided for the subsequent smelting procedure, and the efficiency and quality of the whole recycling and smelting process are remarkably improved.

The invention provides an artificial stone and a manufacturing method thereof, and the artificial stone comprises the following components in parts by mass: 400-450 parts of a cementing material, 80-180 parts of an active material, 530-710 parts of aggregate, 80-100 parts of water, 10-20 parts of an additive and 0.05-0.1 part of a coating. The preparation method comprises the following steps: proportionally adding the cementing material, the active material and the aggregate into a stirrer, uniformly stirring and mixing, weighing the mixing water and the additive according to the corresponding parts by mass, adding into the prepared mixed powder, and mechanically stirring by using the stirrer according to the set time. The preparation method comprises the following steps: continuously and uniformly mixing the raw materials, injecting the mixture into a mold of a specification model after the raw materials are continuously and uniformly mixed and have good fluidity, carrying out self-leveling and vibration until no bubble overflows, carrying out mold removal after the mold removal strength is reached, putting the product into a pre-curing chamber for pre-curing, polishing the surface of the product after the pre-curing is completed, and finally spraying an inorganic glaze self-cleaning coating on the surface of the polished product to obtain the artificial stone. The artificial stone disclosed by the invention has the advantages of low production cost, simple production process, ultra-high performance, good decoration performance, strong antifouling ability and the like, is close to natural stone and can be customized, and the excellent surface antifouling and antibacterial ability can keep the decoration effect for a long time and improve the durability. The artificial stone disclosed by the invention is rich in size, shape, color and variety, can better meet the market demand, reduces the mining of natural stone, and protects the green ecological environment.

This invention discloses a method for detecting the appearance of planar objects. First, a set of detection parameters, including imaging parameters, acquisition strategies, and threshold rules, is obtained based on the object information. Then, camera imaging calibration and pixel-to-actual-size ratio calibration are performed, establishing a coordinate mapping between pixels and the stage. Initial images are acquired to obtain object pose parameters and perform rotational alignment. Multi-view or rotational scanning is performed for synchronous image acquisition according to the imaging parameters and acquisition strategy. Image quality is evaluated frame by frame; if unqualified, parameters are adjusted and images are re-acquired. For qualified images, illumination normalization and standardization preprocessing are performed to extract the final region of interest, generate defect candidate regions, and extract grayscale, shape, and texture features for identification and classification. The defect category, confidence level, and actual size are output. Finally, a qualified or unqualified result is determined based on preset threshold rules. This invention eliminates misjudgments caused by low-quality images at the source, significantly enhances detection robustness, and has good adaptability to various objects.

The invention belongs to the technical field of automobile spherical hinge control arms, and particularly relates to an automobile spherical hinge control arm hardness testing device and method.The automobile spherical hinge control arm hardness testing device is characterized in that a lifting device is fixedly connected to the interior of a case, a workbench is fixedly connected to the top of the lifting device, and an automobile spherical hinge control arm body is placed on the top of the workbench; a clamping assembly is arranged between the top of the workbench and the interior of the sliding groove, pressure assemblies are movably connected between the two ends of the clamping assembly and the top of the workbench, and the automobile spherical hinge control arm body is located between the two pressure assemblies and the interior of the clamping assembly. A device needing hardness testing is fixed to the top of the workbench through the clamping assembly, the pressure assembly is driven to expand, and the clamping assembly is assisted to stably clamp parts such as an automobile spherical hinge control arm body which are irregular in shape and diverse in size; meanwhile, clamping force is continuously applied through the clamping assembly, and the pressure assembly is driven to test the inner angle expansion hardness of the automobile spherical hinge control arm body.

The invention relates to the technical field of metal film preparation, and discloses a rapid preparation method of a nano metal film. The method comprises the following steps: cleaning a metal sheet, cleaning and drying the metal sheet, and placing the metal sheet on the upper surface of a carbon nanotube film; metal powder is dispersed to prepare metal particle dispersion liquid, and then metal source loading is carried out on the nano carbon film and drying is carried out for standby application; and electrifying the two ends of the nano carbon film loaded with the metal source to generate Joule heat, and instantly plating the metal target loaded on the surface of the nano carbon film on the substrate in the form of nanoparticles to obtain the metal nano film. According to the technical scheme, the purpose of instantaneous heating coating can be achieved by utilizing the characteristics of the nano carbon film, the metal target material is coated on the substrate in the form of nano particles, and the method is simple, rapid, free of pollution, low in equipment manufacturing cost and diversified in coating variety.

The invention discloses safety door hinge laser positioning cutting machining equipment, and relates to the technical field of laser cutting, the safety door hinge laser positioning cutting machining equipment comprises a base, longitudinal sliding rails are arranged on the two sides of the upper end of the base, moving seats are arranged at the upper ends of the two longitudinal sliding rails, and rolling wheels are arranged in the middles of the bottoms of the moving seats; a second motor is arranged on the side wall of the upper end of each moving seat, a driven gear is arranged on the side wall of each rolling wheel and located in the corresponding moving seat, a driving gear is arranged at the upper end of each driven gear, a rotating rod is arranged at the rear end of each driving gear, the second motors are connected with the rotating rods, and vertical sliding rails are arranged at the upper ends of the moving seats. According to the laser positioning cutting machining equipment for the safety door hinge, the front-back angle and the left-right angle of the laser emitting head can be adjusted, a slope-shaped edge can be cut on a metal hinge, and the laser emitting head is more convenient to machine the metal hinge.

The invention provides double-station three-dimensional weaving profiling forming equipment. The double-station three-dimensional weaving profiling forming equipment comprises a jacquard module, two stations located below the jacquard module and a profiling forming weaving device. According to the profiling forming weaving device, the detachable main core mold placed on the main core mold fixing frame is adopted, when preforms in different shapes need to be formed, corresponding target core molds can be selected, and therefore more forming choices are achieved, and the application range is wider. The profiling forming weaving device is provided with three stages of rolling, so that the pressure applied to the prefabricated body in each stage of rolling can be reduced, the displacement of fibers in the prefabricated body is reduced, and the damage of profiling forming to the tissue structure of the prefabricated body is reduced, and therefore, the profiling forming weaving device can adapt to mandrels with more sizes and more shapes. The height of the core mold can be adjusted through the lifting mechanism, the lifting mechanism is matched with three-stage rolling, and prefabricated bodies with multiple shapes and multiple sizes can be formed in a profiling mode.

The invention provides a 3D printing part processing method for constructing a printing entity based on a powder material and a liquid binder, which comprises the following steps: in a 3D printing process, embedding a printing spray head into a certain depth below the plane of a printing powder bed and extruding out the liquid binder, and forming a water channel with certain depth and width on the surface of the powder bed by the moving printing spray head; and the dynamic water channel is immediately filled with the synchronous large-flow liquid binder, and then the liquid binder permeates, diffuses and solidifies in a controlled and constrainable state to form a printing entity. According to the method, the advantages of extrusion type printing and a powder bed structure are combined, the requirement of single extrusion printing for the formability of an extruded material is met, controllable printing of the large-flow, high-viscosity and large-layer-thickness printing shape and precision is achieved, the method is suitable for various kinds of binder materials, the variety and size range of powder bed materials is large, and the method is suitable for large-flow, high-viscosity and large-layer-thickness printing. And the rapid part forming machining requirements of wide material application range, large forming size and high part strength are met.

The present application relates to the technical field of insulation film, especially to the field of IPC G03F, more particularly to a preparation method of a photosensitive integrated circuit stacked insulation film. The present application is based on the actual market demand, and scientifically designs the formula of the stacked insulation film material by combining basic research with industrial development, so as to realize the manufacturing of the fine line laminated adhesive film with low thermal expansion coefficient, high frequency low dielectric, low loss, high bonding force. The material has good performance in insulation, mechanics, heat conduction and the like, and does not depend on the expensive precision drilling equipment imported, and these performances enable it to replace ABF in the electronic field such as microchip integrated insulation technology, and have wide application prospect.

The utility model provides a wire cutting device suitable for wire harnesses. The wire cutting device comprises a main body frame, a feeding part, a wire conveying part, a wire cutting part, a transferring part and a control part, the main body frame comprises a base, a first lead screw stepping motor, a wire cutting base, a transferring base and a bearing carrier plate. The feeding part comprises a supporting side plate, a carrying box, a one-way limiting brake and a coil loading mechanism. The wire feeding part comprises a servo motor I, a conveying roller, a wire pressing roller, a push rod motor I and an auxiliary wire inlet block; the wire cutting part comprises a wire cutting mechanism and a positioning mechanism; the transfer part comprises an ejection mechanism, a grabbing mechanism and a storage mechanism. The wire harness cutting device has a dustproof function, subsequent cleaning is facilitated, and the cleaning degree of cut wire harnesses is improved; automatic bundle separation of the cut wire harnesses is achieved, bundling and transferring are facilitated, and counting and subsequent production are facilitated; the steps of feeding, adjusting and the like are easy to operate, the size of the adaptive wire harness is large, manufacturing cost is low, and popularization is easy.

The application provides a TiAl alloy rich in large-size alpha2 phase twins, in particular, second-type twins, which contains 34-36 at.% of Al, 7-8 at.% of Nb, and the balance of Ti and inevitable impurities. The application also provides a method for preparing the TiAl alloy rich in large-size alpha2 phase second-type twins, which comprises the following steps: melting the alloy by a vacuum arc furnace to obtain a cast ingot, carrying out homogenization treatment at 1200 DEG C for 9-12 hours, and then quenching after being kept at 900-1000 DEG C for 3-6 hours to obtain the TiAl alloy rich in large-size alpha2 phase second-type twins. A large number of second-type twins with large size can be generated in the alloy, which provides suitable research materials for the research on deformation twins, solves the problem that the deformation twins are difficult to be characterized and researched, and provides a basis for further strengthening of the alloy performance.

The invention relates to the technical field of sole pressing machines, in particular to an automatic sole pressing machine with a good carrying effect. The shoe sole pressing machine comprises a conveying mechanism, a carrying mechanism and a pressing base, the conveying mechanism is used for conveying shoes, the pressing base is used for pressing the shoes, the conveying mechanism is arranged on one side of the pressing base, the carrying mechanism comprises a sliding rail, a left barrier strip assembly and a right barrier strip assembly, the conveying mechanism comprises a jacking roller set, and the jacking roller set is arranged on the left barrier strip assembly and the right barrier strip assembly. A lifting device is arranged at the bottom of the press-fit base, the jacking roller set and the lifting device lift the shoes above the jacking roller set and the lifting device so that the left barrier strip assembly and the right barrier strip assembly can stretch out below the shoes to be supported, and then the left barrier strip assembly and the right barrier strip assembly slide above the conveying mechanism and the press-fit base to achieve carrying of the shoes. Compared with a traditional clamp switching mode, the carrying mode has the advantages that the bearing range is larger, the suitable shoe size is larger, the influence on vamps is smaller, and the overall carrying effect is better.

The utility model discloses a fiber reinforced composite material shearing test fixture, which belongs to the technical field of shearing test equipment and comprises a supporting seat, a left clamping mechanism is arranged on one side of the top of the supporting seat, a right clamping mechanism is arranged on one side of the left clamping mechanism, and the left clamping mechanism comprises a fixture base. A first clamping block is arranged on one side of the clamp base, the right clamping mechanism comprises a sliding block, and a second clamping block is arranged on one side of the sliding block. According to the shearing test fixture for the fiber reinforced composite material, the first clamping block and the fixture base as well as the second clamping block and the sliding block are respectively connected through the first clamping block fastening bolt and the second clamping block fastening bolt, so that the interchangeability is strong, the applicable sizes are various, and the stability and the reliability are improved by adopting stepped matching; and the test sample is ensured to be uniformly stressed in a shearing test, a shearing load can be applied to an accurate position, and an accurate clamping force can be provided.