45results about How to "Structural Design Implementation" patented technology

The invention provides a multistage wheel disc rotor structure interactive design method driven by geometrical features and oriented to engineering requirements. The method comprises the following steps of 1, inputting control point coordinate values of a multistage wheel disc meridian plane geometrical structure; 2, building a multistage wheel disc structure axisymmetric finite element model forthe multistage wheel disc meridian plane geometrical structure; 3, analyzing the structure of the built multistage wheel disc structure axisymmetric finite element model; 4, obtaining the multistage wheel disc meridian plane geometrical structure which meets the design requirement and outputting a CAD model. Through the steps, the change of the control point coordinate values of the multistage wheel disc meridian plane geometrical structure can be automatically displayed, the working efficiency of designing a multistage wheel disc structure is improved to a great extent, the problems existingin the prior art during design that the time and labor cost are wasted when an optimizing algorithm is not steady, and artificial remodeling is needed once the scheme is changed during design in the prior art are solved, and finite element mesh dividing and multistage wheel disc structure design can be achieved.

The invention discloses a large-scale high-accuracy parabolic offset antenna which comprises an antenna body (1), a feed source array bracket (2), feed source arrays (3), a rotary table (4) and a counter weight device (5). The antenna body (1) is arranged at one end of the feed source array bracket (2); the other end of the feed source array bracket (2) is provided with at least one transition bracket mounting surface; the feed source arrays (3) are respectively arranged at the top ends of transition brackets (6); the rotary table (4) is arranged at the bottom of the feed source array bracket (2); and the counter weight device (5) is connected at the end of the feed source array bracket (2), which is close to the feed source arrays (3). According to the invention, a profile attachment technology is adopted and the manufacturing cost is reduced; a profile is riveted and cured and the problems of complex structure and control for the integral weight of a large-scale antenna are solved; a reflector skeleton adopts a truss structure, the feed source array bracket adopts a truss and thin shell beam mixed structure, and the structure design under a heavy load and under the complex boundary conditions of low weight, high stiffness requirement and the like is implemented.

The invention discloses a foaming wire rod, a preparation method, an FDM printing method, printing equipment and a storage medium. The foaming wire rod is prepared from, by mass, 70%-99.5% of polymeric elastomer resin and 0.5%-30% of a foaming agent. The foaming wire rod has good foaming performance, and a printing component formed by printing of the foaming material has the advantages of frosted surface, light weight, softness and the like.

The invention provides a demand-oriented geometric feature-driving turbine disc structure interactive design method. The interactive design method comprises following steps of 1, inputting coordinate values of control points of a turbine disc two-dimensional geometrical configuration; 2, establishing a turbine disc axisymmetric finite element model for the turbine disc two-dimensional geometrical configuration; 3, carrying out structural analysis on the established turbine disc axisymmetric finite element model; and 4, in dependence on the design demand, changing the turbine disc two-dimensional geometrical configuration, and automatically displaying the coordinate values of the control points of the turbine disc two-dimensional geometrical configuration, establishing the turbine disc axisymmetric finite element model and carrying out finite element calculation. Through the above steps, the control points of the turbine disc two-dimensional geometrical configuration can be dragged by a mouse, turbine disc weight calculation, stress-strain analysis, fatigue life prediction, meridian plane burst speed calculation and radial burst speed calculation are automatically carried out, the turbine disc structure design efficiency is improved, and the case that during the previous design process, once the scheme is changed, modeling needs to be carried out again manually, and therefore time and manpower are wasted is avoided.

The invention relates to the field of material forming, and discloses a tool electrode and a manufacturing method of the tool electrode, and a machining method of an ox-horn-shaped gate. The tool electrode and the manufacturing method of the tool electrode not only realize the structural design and inspection of the tool electrode, but also can simulate the machining process through the rotation of the ox-horn-shaped electrode so as to determine the relative positions of the ox-horn-shaped electrode and a mold, and machining forming and assembling use of the tool electrode are facilitated. The tool electrode manufactured through the method can machine a mold to form a closed ox-horn-shaped pouring gate, so that the problem that a line is clamped by an insert is solved, the tool electrode is used for EDM electric discharge machining, the closed ox-horn-shaped pouring gate can be machined and formed on the mold, on one hand, the problem that the line is clamped by the insert of a product produced in a traditional mode is solved, and on the other hand, the machining cost of the insert and each section for manufacturing the insert is also saved.

The invention provides a lighting device which comprises a lighting unit and a switch part, an installation part and an installation box of the lighting unit. The switch part is arranged in the installation box, the switch part is provided with a first fixed end, a second fixed end, an elastic piece, a connecting piece and a fixed position; the fixed position is arranged on one sides of the first fixed end and the second fixed end, the connecting piece is arranged on one sides of the first fixed end and the second fixed end, one end of the elastic piece is fixedly arranged on the fixed position, and the other end of the elastic piece is fixedly arranged on the connecting piece; the installation part comprises a pair of magnetic parts which comprise a first magnetic part and a second magnetic part, wherein the first magnetic part is arranged outside of the lighting device, and the second magnetic part is fixedly arranged on the connecting piece. According to the lighting device, indoor lighting and wardrobe lighting are achieved, the lighting device is also suitable for lighting of other dark positions with door instructures, the structure design of a magnetic control switch is achieved, the connecting control structure is simplified, the control of the magnetic control switch is easy and convenient, light is provided as long as a door is opened, wait and grope are not needed, and the experience of a user is enhanced greatly.

The invention relates to a manufacturing process of a composite material battery box. The manufacturing process of the composite material battery box comprises the following steps of: manufacturing abattery box framework, wherein the battery box framework comprises peripheral flanges, and the inner side of each flange is connected with a vertical surface R corner part through a flange R corner part with gradually changed thickness; carrying out sand blasting treatment on the prepared battery box framework, and then cleaning and airing for later use; preparing a material spreading jig; spreading large fabric on the material spreading jig, and then placing the battery box framework into the material spreading jig and pressing the battery box framework; spreading the remaining large fabric on the battery box framework, and pressing again to form a battery box preform; transferring the material spreading jig on which the materials are spread into a low-temperature refrigerator to be refrigerated for 2 to 15 minutes; completing demolding of the preform, rapidly placing the preform into a high-temperature product mold, and conducting curing molding of the product; and after opening themold and carrying out post-processing, obtaining a final battery box finished product. The process is not limited by the size of the battery box product, and is high in feasibility, high in universality and high in production efficiency; and the occurrence of the phenomena of local material shortage cavitation, performance weakening and the like after the product is formed is avoided.

The invention belongs to the technical field of waterway transportation of heavy equipment, and discloses a sea tying carrying pole device and a sea tying method for the heavy equipment. The sea tyingcarrying pole device comprises a carrying pole body, a hinge pin and supporting beams, wherein the hinge pin is disposed in the carrying pole body in a matched mode, and the end portion of the hingepin extends out of the carrying pole body. The upper ends of the supporting beams are arranged at the end portion of the hinge pin in a sleeving mode, and shaft end limiting assemblies are disposed atboth ends of the hinge pin. The shaft end limit assemblies and the carrying pole body limit the lateral sliding movement of the supporting beams. The sea tying carrying pole device realizes the modular design and standardized design of heavy equipment water transportation, and realizes the structural design of the sea tying carrying pole device for the heavy equipment and the characteristic property of the transport ship water transportation; targeted design is carried out from installation and disassembly, operation and construction, bearing performance and the like, and at the same time, the recycling and construction cost of the sea tying carrying pole device are considered and optimized, and breakthrough innovation in the whole equipment and construction method is achieved.

The invention relates to the technical field of optical fiber preforms, and discloses a cone sintering device in optical fiber preform powder preparation and a working method thereof. The cone sintering device comprises a first-layer barrel, a second-layer barrel and a third-layer barrel; the first-layer barrel is located below the second-layer barrel; the second-layer barrel is located below thethird-layer barrel; and a limiting groove is formed in the bottom surface of the first-layer barrel. According to the cone sintering device in optical fiber preform powder preparation, hexagon socketscrew holes are formed and penetrate through the side wall of the first-layer barrel and the side wall of the second-layer barrel to extend into the side wall of the third-layer barrel, and the cone sintering device is designed in a multi-layer nested combination mode; the first-layer barrel, the second-layer barrel and the third-layer barrel are fixedly connected by inserting hexagon socket screws into the hexagon socket screw holes; when the hexagon socket screws are detached, the second-layer barrel and the third-layer barrel are fixedly connected through buckling connection of limiting blocks and clamping blocks, and the structural design that the device can be disassembled for maintenance is achieved.