63 results about "Hyperboloid" patented technology

The invention discloses an arc-shaped curved surface ribbed beam spherical roof construction optimization method based on spatial data, and relates to the technical field of building construction. According to the method, a multi-dimensional data acquisition and preprocessing system covering coordinates, loads and temperatures is constructed, a support, template and steel bar three-dimensional model is constructed based on a standardized data set, and dynamic regulation and control of template curved surface precision are realized in combination with curved surface modeling and a CPDI deviation index algorithm, so that the method is adaptive to the hyperboloid form of the cross arc ribbed beam, and the construction efficiency is improved. The load distribution uniformity of a supporting system is analyzed in real time, real-time linkage of data and a three-dimensional model is achieved by means of a digital twin platform, the construction parameter adjustment response time is effectively shortened, the formwork reworking and frame body reinforcing cost is reduced, and the node load standard deviation is greatly reduced through dynamic optimization of the vertical rod density and the inclined strut angle; in cooperation with temperature data closed-loop regulation and control, concrete inside and outside temperature difference over-limit cracking is avoided, early warning and management and control of risks in the whole construction process are achieved, and it is guaranteed that the geometric shape of the roof meets the design requirement.

The invention provides a hyperbolic variable cross-section construction process optimization method, and belongs to the technical field of building construction.The method includes the steps that precise geometric data of a hyperbolic variable cross-section structure is obtained to establish a geometric parameter matrix, and a high-precision finite element analysis model is established through a self-adaptive mesh refinement algorithm; establishing a double-layer game grid optimization model to realize coordination and balance of calculation precision and efficiency, establishing a prestressed tendon three-dimensional path planning model, optimizing a spatial arrangement path of the prestressed tendon in a hyperboloid by adopting a genetic algorithm, accurately calculating a curvature radius and a friction loss coefficient of the prestressed tendon, and adjusting arrangement parameters according to a prestress loss rate. And a real-time monitoring system is established to dynamically adjust construction parameters, and the technical problem of low prestress transmission efficiency caused by complex spatial path planning of the prestressed tendons in the construction process of the hyperbolic variable cross-section structure is solved.

The utility model discloses a cambered surface forming machine of a hyperbolic aluminum veneer, which comprises a U-shaped seat, the inner side surface of the U-shaped seat is provided with a quick dismounting assembly, the quick dismounting assembly comprises a mounting plate, the two side surfaces of the mounting plate are fixedly provided with limiting blocks, the inner wall of the mounting plate is in threaded connection with a threaded frame, one end of the threaded frame is fixedly provided with a first round handle, and the other end of the threaded frame is fixedly provided with a second round handle. A mounting block is rotatably connected to the inner wall of one end of the threaded frame, a connecting column is slidably mounted on the inner wall of the mounting block, a disc is fixedly mounted at one end of the connecting column, a limiting column is fixedly mounted on the outer surface of one side of the disc, a limiting ring fixedly sleeves the outer wall of the connecting column, and a spring is fixedly mounted on the inner wall of one side of the limiting ring. The connecting columns are pulled to drive the springs to be compressed, so that the limiting columns are slidably mounted on the inner walls of the first compression roller and the second compression roller, the first compression roller and the second compression roller are quickly disassembled and assembled, mold rollers are conveniently replaced, and the flexibility and practicability of the device are greatly improved.

This invention provides a hyperboloid concealed door and its installation method, belonging to the field of concealed door technology. The hyperboloid concealed sliding door includes a wall and a concealed door. Its features include: the concealed door is fixedly installed on the right wall via a damping hinge; an expansion fixing assembly is installed inside the left wall, which is fixedly connected to an air pump via a branch pipe and a main air pipe; a laser sensor for sensing the concealed door's reset is installed at the bottom of the left wall; a distance sensor for detecting the concealed door's deformation is installed on the wall; a touch-sensitive switch for sensing personnel touching and controlling the opening and closing of the concealed door is installed on the left wall; and a main control box is installed inside the wall, containing a control chip. This invention solves the problem of easy deformation after prolonged use, which obstructs the opening and closing of the concealed door.

The invention relates to the technical field of building curtain wall engineering, and discloses a wave double-curved-surface curtain wall mounting structure which comprises a mounting frame and a plurality of pieces of glass and further comprises a moving mechanism, and the moving mechanism is mounted on the side wall of the mounting frame and used for fixing the mounted glass. In the sliding process of the U-shaped plate, the side wall of the U-shaped plate pushes the arc-shaped block, the arc-shaped block swings around the side wall of the supporting strip, the distance between the arc-shaped block and the U-shaped plate is reduced, so that the arc-shaped block is bent to make contact with the side wall of the bottom glass, and then when the positioning strip is subjected to downward acting force of the top glass, the arc-shaped block swings around the side wall of the supporting strip. A buffer space is applied to the supporting strip to protect the bottom glass, the situation that the supporting strip is inclined and touches the bottom glass due to the fact that the downward pressure applied by the top glass is large when the glass is installed is reduced, the glass is kept complete, and the overall quality of the structure is improved when the structure is used for installing the wave-shaped curtain wall.

The utility model relates to the field of glue brushing devices, in particular to a glue brushing device based on GRG hyperboloid gradient diffuser surface treatment. The utility model provides the glue brushing device based on GRG hyperboloid gradient diffuser surface treatment, which is convenient to flexibly combine and use. Comprising a liquid storage box, a brush and pressing pieces, the detachably combined brush is assembled on the lower portion of the liquid storage box through a mounting groove, clamping grooves used for mounting the pressing pieces are formed in the inner wall of the mounting groove at intervals, and the pressing pieces are used for axially clamping and limiting the assembled brush. By the adoption of the structure of the extensible spliced single brush assemblies and the T-shaped installation grooves, rapid combination and installation of the multiple single brushes are supported so that the brushes with different wide faces can be achieved through combination, liquid guide grooves between the brushes with the different wide faces can be sealed through the synergistic effect of spring clamping blocks of pressing pieces and sealing gaskets, and use is flexible and convenient; stepless adjustment of the brushing angle is achieved by pressing the button, so that an operator can complete continuous glue brushing operation of a complex curved surface in a single-hand holding state.

The application is a method for calibrating the center of a linear in unit sphere model projection hyperboloid camera, characterized by using only one image containing two straight line images, five internal parameters of the camera are recovered. First, the pixel coordinates of the edge points of the two straight line images and the mirror profile image are extracted from one image respectively, and the equations of the two straight line images and the mirror profile image are obtained by using the least square method. On the basis of obtaining the equations of the two straight line images and the mirror profile image, the common vanishing point of each straight line image and the mirror profile image is obtained by solving the generalized eigenvector, and the vanishing line of the mirror profile image corresponding to the support plane is recovered by connecting the two common vanishing points. According to the polar point-polar line relationship, the polar point of the mirror profile image corresponding to the vanishing line is recovered, that is, the principal point. Because the two straight line images and the mirror profile image correspond to three different support planes, the vanishing line of the support plane corresponding to the two straight line images can be recovered by using the principal point. The vanishing line is associated with the corresponding straight line image, and the constraints of three pairs of independent circular ring point images are recovered. The image of the absolute quadratic curve is Cholesky decomposed and inversely solved, and the camera internal parameter matrix is uniquely determined.

The utility model discloses a special-shaped hyperboloid single-layer reticulated shell steel structure which comprises two pieces of edge steel, a steel body assembly is arranged on the edge steel, the steel body assembly comprises fixing blocks, a first supporting rod, a second supporting rod, a stand column and a movable rod, the fixing blocks are evenly arranged on the two sides of the edge steel, and the first supporting rod is arranged on the first supporting rod. Every two fixing blocks form a group, the first supporting rods and the second supporting rods are connected to the fixing blocks respectively, the stand columns are evenly arranged on the second supporting rods, the moving rods are connected to the stand columns in a sliding mode, fixing assemblies are arranged on the stand columns, each fixing assembly comprises a fixing groove, a moving groove and a fixing rod, and the moving rods are arranged in the fixing grooves. The fixing grooves are formed in the moving rods, the number of the fixing grooves is two, and the moving grooves are formed in the stand columns, so that the technical problem that in the actual using process of the special-shaped double-curved-surface single-layer latticed shell steel structure mentioned in the background technology, due to the fact that the shape of the structure is irregular or local weak links possibly exist in the design is solved.

The utility model discloses a hyperbolic roll bending machine for aluminum veneer hyperbolic processing, which comprises a protective plate, the outside of the protective plate is fixedly connected with two guide frames, the inner walls of the two guide frames are slidably connected with pressing plates, the outside of each pressing plate is fixedly connected with a sliding block, the outside of each pressing plate is fixedly connected with a plurality of first springs, and each first spring is fixedly connected with a plurality of second springs. The outer portions of the sliding blocks are rotationally connected with brush wheels, the inner wall of the protection plate is movably connected with a connecting column, the outer portion of the connecting column is fixedly connected with a cleaning plate, the inner wall of the cleaning plate is fixedly connected with a plurality of second springs, and a plurality of leakage grooves are formed in the inner wall of the protection plate. And the inner wall of the guide frame is rotationally connected with a guide assembly for guiding subsequent parts. According to the aluminum veneer cleaning device, the aluminum veneer moves forwards under the action of the rollers to drive the brush wheels to rotate so as to clean impurities on the surface, meanwhile, the cleaning plate cleans the lower portion of the aluminum veneer, the impurities fall off from the leakage groove, and the product quality is effectively improved.

The invention relates to the technical field of cooling towers, and discloses a construction method of a hyperbolic steel structure cooling tower, which comprises the following steps: acquiring process parameters; an original point is selected on a tower bottom circle, a linear generatrix capable of generating a target hyperboloid in a rotating mode is accurately determined through a geometric construction method, construction logic is converted from curve arrangement on a curved surface to curved surface generation through a linear skeleton, fundamental simplification of a structural system is achieved, a spherical node structure does not need to be used, and the method is easy to implement and high in practicability. The steel consumption and the construction cost are remarkably reduced, meanwhile, rod piece machining and on-site installation are more convenient and faster, and the structural force transmission efficiency and the overall stability are improved.

This invention relates to the field of glass processing technology, and in particular to a production apparatus and process for 3D hyperboloid glass covers, which solves the problem of poor finished product quality of 3D hyperboloid glass covers formed by traditional molds. The apparatus includes a protective mechanism, which includes a pressure cylinder. A forming mechanism is installed inside the pressure cylinder. The forming mechanism includes a lower mold. A sealing frame is vertically slidably connected to the upper part of the lower mold. A rectangular frame is fixedly connected to the bottom wall of the pressure cylinder on the outer side of the lower mold. The glass cover to be formed is placed in the lower mold. When the glass cover to be formed is heated and high-pressure inert gas is introduced into the pressure cylinder, the gas pressure acts on the glass cover to be formed, causing the glass cover to deform and adhere to the lower mold. The process includes atmosphere replacement, heating, pressurization, annealing, and material removal. This invention uses gas pressure to drive the glass cover to adhere to the lower mold, avoiding poor quality in the later forming process.

The invention relates to impact-resistant eyeglasses with a hyperboloid lens and an impact-resistant lens. The pair of impact-resistant glasses with the double-curved-surface lenses comprises at least one wearing unit and a lens unit, the wearing unit comprises at least one wearing part which extends for a preset length along a first linear direction. The lens unit comprises at least one assembling part and at least one impact-resistant lens fixedly arranged on the assembling part, and the impact-resistant lens is symmetrically assembled with the wearing unit by means of the assembling part about a symmetric center line. Each impact-resistant lens comprises at least one curved surface area which respectively extends along a second linear direction and a third linear direction, and the curved surface areas are bent at different curvatures in the second linear direction and the third linear direction.

The application provides a flow control method based on a hyperboloid fish scale bionic structure, which comprises the following steps: S1, constructing a main structure of an impeller blade, including a suction surface e and a pressure surface f, and fish scale areas g with multiple fish scale bionic structure coupling elements arranged on the suction surface e and the pressure surface f; S2, constructing and designing a single fish scale bionic structure coupling element, including a bottom surface attached to the blade surface and a top surface in a fish scale structure, the top surface comprises a folded hexagonal surface with the end points of the fold lines coinciding with the bottom surface, and three grooves parallel to the edges, and a space rectangular coordinate system is established with the end points of the fold lines as the origin, and the fish scale bionic structure coupling element is constructed in the space rectangular coordinate system; and S3, establishing multiple fish scale bionic structure arrangement rules. The application can improve the fluid flow characteristics of the blade surface and reduce noise generation based on the control of flow by the bionic structure.

The invention relates to the field of ship conduit welding, in particular to a laser welding positioning method for a ship conduit hyperboloid, which comprises the following steps: determining whether to perform parameter optimization for a welding positioning process or not according to a reference curvature evaluation index of a target welding component; when parameter optimization is executed, whether a dynamic acquisition analysis mode or a reference execution analysis mode is adopted for positioning execution optimization is determined according to the regional curvature difference index and the regional reference curvature index; during dynamic acquisition and analysis, determining whether to adjust the positioning acquisition parameters or not according to the acquisition mapping difference index, and determining to perform distribution characteristic analysis or distribution interference analysis on the mapping difference point location according to the acquisition mapping difference index; and determining whether optimization processing is executed or not according to the mapping difference distribution parameters of the reference welding areas during reference execution analysis. According to the method, the analysis efficiency and effectiveness of the welding positioning result of the ship guide pipe with the complex geometric structure are improved.

The utility model discloses a hyperboloidal heavy current jack with a spring, which relates to the technical field of electric connectors, and comprises a jack main body, the upper side of the jack main body is provided with a sealing cover, the inner surface of the sealing cover is fixedly provided with an inner ring, the inner circular surface of the inner ring is provided with a circular groove, the left end of the jack main body is fixedly provided with a convex ring, and the convex ring is provided with a convex groove. An expansion rubber ring is fixedly installed on the outer circle face of the protruding ring, the inner diameter of the inner ring is matched with the diameter of the protruding ring, and the position, located on the surface of the protruding ring, of the expansion rubber ring is matched with the position, located on the inner side of the inner ring, of the annular groove. Compared with the conventional common hyperboloid spring-equipped high-current jack, the hyperboloid spring-equipped high-current jack has the advantages that the opening part of the jack main body can be fully and effectively sealed and protected when not in use, dust or water vapor is prevented from permeating through the opening to pollute the jack main body, the safety of the internal structure of the jack main body is ensured, the sealing cover can be automatically fixed, and the safety of the jack main body is ensured. And the sealing cover cannot be opened by rotating randomly, so that the stability of sealing protection is ensured.

The invention relates to the technical field of steel structure construction, in particular to a construction method of a multi-curvature hyperboloid steel structure aluminum plate curtain wall of an overpass, which comprises the following steps of: acquiring point cloud data of an annular overpass by adopting three-dimensional laser scanning equipment, and generating line data from the point cloud data to reconstruct an annular overpass model; selecting a plurality of feature points on the annular overbridge model as association points, and importing the steel structure data into the annular overbridge model; precise modeling of an annular overbridge main body is achieved through a three-dimensional laser scanning technology, and the suitability of a steel structure and the overbridge main body is ensured by combining data of the associated point butt joint steel structure; the installed keel is scanned and corrected subsequently, so that aluminum plate modeling is based on the actual keel form, and the modeling accuracy of the double-curved-surface curtain wall is greatly improved.

The present application relates to the technical field of myopia prevention and control lenses, and particularly relates to a double-curved surface defocus composite lens and a double-curved surface defocus composite glasses. The double-curved surface defocus composite lens comprises a central clear vision area, a discrete defocus area and an annular defocus area. The annular defocus area of the back curve generates a persistent optical defocus stimulation, the discrete defocus area of the front curve provides a high-intensity discrete stimulation, and the spatial superposition of the discrete defocus area of the front curve and the annular defocus area of the back curve forms a multi-dimensional stimulation, thereby breaking through the limitation of neural adaptability and maintaining a long-term prevention and control effect. The radial width of the annular defocus area of the back curve can accurately cover the peripheral sensitive visual field area of the retina, and in combination with the lenticule distribution of the discrete defocus area of the front curve, a persistent defocus intervention on the key area is formed. By synchronously correcting central vision and regulating the peripheral defocus state, the double effect inhibits the rapid growth of the eye axis and improves the efficiency of myopia prevention and control.

This application discloses a hyperboloid roller skating rink, belonging to the field of sports field construction structure technology. It includes an outer field, an inner field, fencing, protective mechanisms, and reinforcing support mechanisms. The rink is divided into an outer field and an inner field by the fencing. The inner field includes a track and a lawn. The track has a hyperboloid design, including a smooth zone, a transition zone, and an acceleration zone. This application uses the fencing to distinguish the inner and outer fields. The inner field has a track and a lawn. The hyperboloid design, with its continuous undulations, not only increases the difficulty of the track but also enhances its fun factor, making it popular among sports enthusiasts. It has a high usage rate and popularity, thereby improving productivity and promoting the expansion of roller skating rinks and the popularization of roller skating. By placing the roller skating rink outdoors, it can accommodate more people to watch. Simultaneously, the lawn outside the track in the inner field reduces direct friction between the skater and the ground after a fall, thus reducing injury and greatly improving the practicality of the device.

This invention relates to a tapered roller bearing and its design method. The tapered roller bearing includes an outer ring, an inner ring, tapered rollers, and a cage. The inner ring is located inside the outer ring. An inclined outer ring raceway is formed on the inner sidewall of the outer ring, and an inclined inner ring raceway is formed on the outer sidewall of the inner ring. The outer sidewall of the inner ring also has a small flange and a large flange. The inner ring raceway is positioned between the small flange and the large flange. The tapered rollers are positioned between the inner ring raceway and the outer ring raceway via the cage. The large end of the tapered roller is a hyperboloid shape, and the rotation centerline of the hyperboloid at the large end coincides with the rotation centerline of the inner ring raceway. This invention designs the large end face of the tapered roller as a hyperboloid shape and moves the center of curvature of its generatrix to the rotation centerline of the inner ring raceway, effectively solving the problem of interference between the spherical base and the large flange, and significantly improving the manufacturability of small-sized, large-taper-angle tapered roller bearings.

This application relates to a device and method for bonding a hyperboloid display screen and a cover plate, belonging to the field of display panel manufacturing technology. In this device, the upper cavity mechanism includes an upper cavity fixing component; the lower cavity mechanism is mounted on a frame and includes a support component and an alignment component. The support component is used to horizontally clamp and fix the hyperboloid display screen with optical adhesive applied; the alignment component is connected to the support component and is used to drive the support component to move in a horizontal plane to correct the position of the hyperboloid display screen; a vacuum system is connected to a sealed cavity for evacuating the sealed cavity; a contour bonding component is disposed on the lower cavity mechanism, and the contour bonding component includes a contour body with a flexible bonding surface, the shape of which matches the curved surface shape of the hyperboloid cover plate. The hyperboloid display screen and cover plate bonding device and method provided in this application at least solve the problems of low bonding accuracy, easy generation of air bubbles, and even damage caused by related technologies when bonding hyperboloid cover plates with large curvatures to display screens.

The present invention belongs to the field of support for coal mines, tunnels and other underground engineering, specifically relates to a hyperboloidal telescopic column foot structure and a support system including the column foot structure. The column foot structure is composed of a support column, a central connecting rod, a movable rod, a first sliding rod, a second sliding rod, and a negative Poisson's ratio circular ring, forming a stable hyperboloidal shape, aiming to provide higher bearing capacity and flexibility to adapt to complex underground environments. Under external loads such as soil, rock pressure, and rock burst, the hyperboloidal connection shape of the column foot can effectively disperse and transfer these loads, thereby reducing the impact on the support column. The cross-connection design of the rods not only enhances the overall strength and stiffness of the column foot, but also improves the deformation resistance, ensuring safety under dynamic conditions. The telescopic design of the structure makes it suitable for various tunnel and underground mining conditions, allowing adjustment of its height and connection angle according to actual needs.

The application discloses a kind of hyperboloid twist glass curtain wall and its construction method, including vertical frame, horizontal frame, steel bracket, main beam, secondary beam and main body steel column, the main beam is fixed on limb steel column, one end of the secondary beam is vertically fixed on main beam, the other end is connected vertical frame by steel bracket, the horizontal frame is transversely installed on vertical frame and forms grid-like keel frame.The structure can effectively eliminate the deviation caused by the main structure and curtain wall keel twist, and the hyperboloid twist glass curtain wall helps to show the flow of glass curtain wall lines, makes the whole glass curtain wall look more beautiful, the natural change of curve, and helps to create landmark building and highlight designer inspiration, shows the difference and form beauty of architectural design, lays a solid foundation for creating landmark building, and creates the possibility of special-shaped curved surface, twist, inverted building.

The utility model discloses a fixing device adaptive to a double-curved-surface multi-angle metal plate, which comprises a round steel pipe transversely arranged on a keel frame in a penetrating manner, the round steel pipe is provided with a first universal adjusting steel piece and a second universal adjusting steel piece which rotate along the round steel pipe, the first universal adjusting steel piece is welded with the keel frame, and the second universal adjusting steel piece is welded with the keel frame. After the angle is adjusted, the first universal adjusting steel piece is welded and fixed with the round steel pipe; after the angle of the second universal adjusting steel piece is adjusted, the second universal adjusting steel piece is welded with the round steel pipe, and the outer end part of the second universal adjusting steel piece is connected with a mounting seat; the first universal adjusting steel piece and the second universal adjusting steel piece which penetrate through the circular steel pipe of the keel frame and rotate along the circular steel pipe are adopted, so that angle adjustment can be conducted, welding and fixing can be conducted after the angle is determined, the types of machined pieces can be unified, the steel piece machining difficulty and the site construction difficulty are reduced, and the machining efficiency is improved. The working efficiency is improved.

The invention provides a pneumatic variable-thickness rotary hyperboloid weight type windage yaw prevention stabilizing device. The pneumatic variable-thickness rotary hyperboloid weight type windage yaw prevention stabilizing device is characterized by comprising a bowl-shaped main body, a connecting piece and a ball bearing, the bowl-shaped main body adopts a rotating double-curved-surface aerodynamic appearance which is thickened in the center and gradually thinned on the peripheral side and is designed in a thickness-variable manner, so that the bowl-shaped main body has an axial symmetry characteristic; two sides of the bowl-shaped main body are respectively provided with at least one connecting piece, the upper end of the connecting piece is connected with a ball bearing, and the ball bearing is sleeved on an overhead transmission line. The device does not need to depend on the single gravity effect for protection, is light in structure and easy and convenient to install, and can be directly applied to a built power transmission line without large-scale transformation of an existing line. Through the synergistic effect of pneumatic optimization and the counterweight effect, the windage yaw prevention performance of the line can be remarkably improved under the multi-wind-direction and complex pneumatic environment.

The present application relates to the technical field of special-shaped double-curved roof window glass installation, and specifically discloses a precise positioning structure for special-shaped double-curved roof window glass installation, which comprises a floor, the upper surface of the floor is provided with a plurality of support columns, the support columns are the key to support the overall structure, the upper surfaces of the support columns are provided with a horizontal rod, a vertical rod is arranged on one side of the horizontal rod, the horizontal rod and the vertical rod also play a supporting role, the upper surface of the horizontal rod is provided with a base, the base is used for fixing glass, the base is mainly arranged at the junction of the horizontal rod and the vertical rod, and the specific accurate position is determined by a carbon steel base, the upper surface of the horizontal rod is provided with a plurality of angle steels and positioning devices, the beneficial effects are that the size of each piece of glass is determined, each piece of glass is numbered, and the coordinates, elevation and inclination of each glass support are determined according to a BIM model, the processing and installation precision is effectively ensured, the positioning height is more accurate, and therefore the installation of the glass is facilitated.

The invention discloses a hyperboloid cross cable net shape-finding analysis and modular ring truss structure construction method, which comprises the following steps of: analyzing a static balance state of a cable net by adopting a nonlinear finite element algorithm based on a geometric model and a pretension force of a current iteration round; obtaining an internal force value and a node deformation coordinate of each cable section, calculating a standard deviation and a variable coefficient of internal force distribution according to the standard deviation and the variable coefficient, if the standard deviation and the variable coefficient are not converged to a threshold value, analyzing the influence of node coordinate change on the cable force through a sensitivity matrix, solving an optimal coordinate adjustment amount, updating a geometric model, synchronously adjusting a pre-tension force, starting a new round of iteration, and cyclically performing the process, and the standard deviation and the variable coefficient both meet the convergence requirements. And finally, outputting an optimized cable net geometrical shape and an internal force distribution result, and providing an accurate basis for actual construction. According to the technical scheme, the overall process efficiency of the double-curved-surface crossed cable net structure from digital design to industrial construction can be systematically improved.

The utility model belongs to the technical field of building construction, and particularly relates to a double-curved-surface modeling assembly and a curved-surface modeling assembly system for a public building, and the double-curved-surface modeling assembly for the public building comprises a hoisting unit, a plurality of top fixing units, a plurality of double-curved-surface decoration units, a plurality of top connecting units and a plurality of bottom connecting units, wherein the top of the hoisting unit is connected with the top surface of a building, and the top fixing units are sequentially connected with the bottom of the hoisting unit; the double-curved-surface decoration units are sequentially connected to form corresponding double-curved-surface models; the double-curved-surface decoration units are installed in a modularized mode, the positions of the double-curved-surface decoration units can be flexibly adjusted, the sizes of the top connecting unit and the bottom connecting unit are reasonably arranged, installation errors can be reduced, the common quality problem that double-curved-surface and wave-shaped installation is uneven is solved, and the optimal decoration effect is achieved.

This application provides a hyperboloid quadrupole device, system, and manufacturing method thereof. The hyperboloid quadrupole device includes: at least one quadrupole and a fixing structure; the fixing structure includes: a fixing base, a positioning ball, a spring, and a fastening screw; one side of the outer surface of the quadrupole is a hyperboloid, and the other side is a circular surface. A pair of parallel planes are arranged between the hyperboloid and the plane, and the four surfaces together form the outer surface of the quadrupole; the fixing base is a three-dimensional columnar structure with a hollow center, and the quadrupole is disposed inside the fixing base, with the circular surface of the outer surface of the quadrupole mating with the inner surface of the fixing base. This application, through the design of the hyperboloid quadrupole, can generate a more ideal hyperboloid electric field, reduce the influence of higher-order fields, avoid charged particle trajectory deviation, and improve the resolution and sensitivity of the mass spectrometer.

A mirror assembly is disclosed. The mirror assembly includes an ellipsoid optical surface. The mirror assembly includes a hyperboloid optical surface, wherein the ellipsoid optical surface and the hyperboloid optical surface are arranged in a Wolter mirror configuration. The mirror assembly includes a substrate. The substrate includes a first portion, wherein the ellipsoid optical surface is located on the first portion of the substrate. The substrate includes a second portion, wherein the hyperboloid optical surface is located on the second portion of the substrate, wherein the first portion and the second portion form a monolithic body.

The invention relates to the technical field of ships, in particular to a lofting method of a double-curved-surface fairlead piece, the fairlead piece and a ship, and the lofting method of the double-curved-surface fairlead piece comprises the following steps: obtaining a geometric center point; drawing a first normal vertical line of the curve through the geometric center point, wherein the first normal vertical line is a vertical center line of the fairlead piece; making a plurality of bisectors within a set distance according to a set step length, wherein the bisectors are parallel to the vertical center line; making a corresponding section solid shape line according to the plurality of bisectors and the waterline, and making a corresponding fairlead vertical solid shape line according to the vertical center line and the waterline; acquiring an intersection point of the second normal vertical line and each section solid line; connecting all the projection points to obtain a solid shape line of a second normal vertical line, wherein the solid shape line of the second normal vertical line is a normal solid shape line of the horizontal plane of the fairlead; and drawing a lofting drawing of the fairlead piece. The installation difficulty can be reduced, joints between the outer edge of the fairlead piece and the bulwark are reduced, and the attractiveness is improved.