2660 results about "Cross over" patented technology

The invention relates to the trailer and particularly serves for a folding trailer, comprising a rod assembly, four vertical pipes, a linkage sliding sleeve, a left-right folding assembly and a front-back folding assembly, the left and right folding assemblies include six cross tubes, and the front-rear folding assemblies include two cross straight tubes and two cross bend tubes, to ensure that the intersections of the second and third cross tubes, as well as the fourth and fifth cross tubes, are shifted down, as is the intersection of the second cross elbow and the second cross straight tube; The highest point of the constricted second, third, fourth, and fifth crossovers shall be lower than the horizontal line of the vertex-angle fastener, which ensures the highest point of the contracted folding trailer is level with the highest point of the vertex angle fixing piece not to raise the contracted height.

The present application relates to the field of water toys, in particular to a toy water ball. The toy water ball includes a mounting frame including a first surface and a second surface arranged oppositely arranged; a magnetic member is not exposed on the second surface; a first connecting rib and a second connecting rib, that cross over a side of the magnetic member close to the first surface to connect the mounting frame surrounding the magnetic member, are provided on the first surface; and the first connecting rib and the second connecting rib are arranged crosswise, and a cross position corresponds to the magnetic member. The magnetic member can be firmly restricted within the mounting frame. Even if it is pulled with a relatively large force during use, the magnetic member will not fall out, which greatly improves the safety of the product.

The present disclosure relates to a magnetic suction building block, comprising: at least four side walls, and at least four crossed corners being formed by at least three of the side walls at vertexes of spatial geometry; at least four magnets located at the at least four crossed corners respectively; and stop columns arranged inside compartments in such a way that two of magnets are confined in the crossed corners by two ends of each of the stop columns; wherein a space for each of the magnets to move in the crossed corner is defined by adjacent side walls, at least part of the compartment and one end of the stop column.

A board diagonal measurement system and method suitable for multiple specifications of gypsum boards (1). The system comprises a cross-type guide rail (2), diagonal point positioning members (3), and a driving structure (4); the cross-type guide rail (2) is composed of two sliding rails (21) crossing each other; the driving structure (4) is used for driving the two sliding rails (21) to rotate, so that the sliding rails (21) keep parallel to diagonals of a gypsum board (1) having a corresponding size, wherein in an initial state, a rectangular area formed by connecting position points where the diagonal point positioning members (3) are located is located outside the gypsum board (1). The cross-type guide rail (2) is arranged above a conveyor belt (5), the sliding rails (21) keep parallel to the diagonals of the gypsum board (1) having the corresponding size, the positions of the diagonal point positioning members (3) also change along with the sliding rails, so that the length and the width of the rectangular area are adjusted, and the rectangular area which is inwardly contracted and then completes positioning of the gypsum board is just matched with the specification of the gypsum board (1). The present invention is suitable for diagonal measurement of the multiple specifications of gypsum boards (1).

The invention provides an automatic clamping double-acting deep drawing die for a large deep-cavity basin-shaped part and a clamping method of the automatic clamping double-acting deep drawing die. The maximum contours of a lower die assembly, an edge pressing assembly and an upper die assembly of the deep drawing die are obviously larger than the effective clamping range of a working table, an outer sliding block and an inner sliding block of corresponding connecting parts of deep drawing equipment respectively; by designing a lower die assembly, a blank pressing assembly and an upper die assembly of an upper and lower surface profile variable cross-section combined structure, the problems of movement and connection interference between an oversized deep drawing die and a clamping system of automatic clamping equipment are solved by utilizing a die switching part of which the length and the width are respectively not greater than those of an equipment connecting part; triangular, annular and cross-shaped crossed and staggered reinforcing ribs are designed on the upper part of the shell structure mold, so that the structural rigidity of the shell structure mold part is enhanced, and the structural weight of the shell structure mold part is reduced; unequal and uniform external and internal guide mechanisms are designed between mold parts, and positioning pin holes and U-shaped mold containing grooves matched with equipment are designed in mold connecting parts, so that automatic posture adjustment of the overweight mold parts depending on gravity during hoisting is achieved. According to the technology, the machining width limit of double-acting deep drawing equipment can be remarkably improved, and the automatic clamping device can be popularized and applied to automatic clamping of ultra-long and wide large deep-cavity thin-shell part dies.

Described is a bumper arrangement 1 for a vehicle with a cross member 2 extending in the direction of the width of the vehicle and with two crash boxes 10 arranged apart from each other in the direction of the longitudinal extent of the cross member 2, designed as hollow chamber profiles, wherein the cross member 2 comprises an upper chord 4, a lower chord 5, a web 6 connecting the two chords 4, 5 at their edge region facing the vehicle, and a vertical flange 8, 9 extending vertically away from the upper chord 4 and / or the lower chord 5 at their edge opposite the web 6, and wherein the crash boxes 10 have in their front connection section 15 facing the cross member 2 a cross member receptacle engaging in the side walls 14, 14.1 extending in the direction of the longitudinal extent of the cross member 2 with their planar extensions, characterized in that - the upper and / or the lower side walls 12, 13 that vertically delimit the crash boxes 10 have a greater vertical distance to the belt 4, 5, which points with its flat side in the same direction, than the end of the vertical flange 8, 9 of the cross member 2 from this belt 4, 5, - the crash boxes 10 in their connection section 15, in addition to the cross member receptacle 16, have a shortening of at least one side wall 13 limiting the vertical extent of a crash box 10, which projects vertically towards the vertical flange 9, whereby the front face of these side walls is spaced horizontally away from the vertical flange and - each crashbox 10 is assigned a support element 20 with a support surface 21 pointing towards the front face of the shortened side wall, on which this front face is supported, which support element 20 is connected to the rear of the vertical flange 9 with its end 24 opposite the support surface 21 in the direction of the cross member 2.

The invention discloses a container mirror image construction and use method oriented to embedded cross compiling, relates to the field of compiling methods of operating systems, and solves the compiling problem of a software source program under an embedded Linux operating system. The invention relates to an embedded cross compiling method based on a container mechanism, which comprises the following steps of: integrating tool chain software and an operating system header file, a library file and the like required by compiling to form a new mirror image file based on a basic container mirror image, starting a container through the mirror image when a program is compiled, and after a source code catalog is mounted and a catalog is constructed, starting the container through the mirror image; and calling the tool chain through the script to complete cross compiling. According to the method, the construction of a cross compiling environment can be separated from the shackle of a host machine operating system, the method has the characteristics of high environmental adaptability, flexible and convenient deployment, good platform safety and the like, compilation of engineering source codes such as application programs, library files and drivers is supported, and powerful support can be provided for cross compiling of embedded programs.

A recording device comprises a base, a cover attached to the base, a gasket, a recessed portion provided on the base, wherein the gasket is provided with a tip end portion having an arc-shaped cross section in a free state, is compressed in a state that a center of the tip end portion in the free state is deviated from a center of an opening of the recessed portion in a width direction intersecting the compressing direction, and is in contact with at least one opening edge in the width direction of the recessed portion and an inner face of the recessed portion in the compressed state.

An implantable prosthetic device can include a radially expandable and compressible annular frame comprising an inflow end portion and an outflow end portion, and a plurality of leaflets arranged within the frame. Each leaflet can include one or more commissure tabs. The commissure tabs of two adjacent leaflets coupled to a commissure attachment member to form a commissure. The commissure can be secured to the frame via first and second sutures, each suture extending through a respective commissure tab, through the commissure attachment member, crossing over the other suture and being secured to the frame. The commissure can define a bending axis disposed radially inwardly of the frame such that a main body of each leaflet is prevented from contacting the frame when the valvular structure is in an open configuration.

The invention is suitable for the technical field of offshore photovoltaic power generation platforms, and provides a novel pipeline cross-shaped connecting structure which comprises cross-shaped hoops, the two cross-shaped hoops are clamped in a staggered mode and used for connecting a straight pipe and two disconnected pipes, each cross-shaped hoop comprises two locking hoops and a side plate, the two locking hoops of the same cross-shaped hoop are arranged in a crossed mode, and the two locking hoops of the same cross-shaped hoop are connected through the side plate. Side plates are arranged on the side walls of the locking hoops; each of the two lower-end double-stand-column pipe fittings comprises two stand column inserting pieces and a connecting part, and the connecting part is used for connecting the two stand column inserting pieces; and each pedal connecting piece comprises a horizontal supporting plate and a matching hoop, and the horizontal supporting plates are arranged above the matching hoops. Therefore, good connection strength can be guaranteed, effective support is provided for the photovoltaic panel, the service life of the device is prolonged, the stand column can be primarily positioned, the matching precision of the stand column and other structures is improved, and the installation efficiency is improved.

A method performed by encoder comprises partitioning a mesh into a first side and a second side; determining, for a first vertex located on the first side, whether a first perpendicular line extending from the first vertex intersects with two or more surfaces of the mesh on the second side, each intersection of the first perpendicular line corresponding to an intersected vertex on the second side; based on the determination the first perpendicular line intersects with two or more surfaces of the mesh on the second side, selecting one of the intersected vertices on the second side as a second vertex corresponding to the first vertex based on a shortest distance between each intersected vertex and a predicted vertex on the second side that is symmetric to the first vertex; and generating a new connection in the mesh.

The embodiment of the invention relates to a multi-round medical image annotation method and device introducing a cross validation mechanism, and the method comprises the steps: transmitting a first image to a plurality of expert annotation interfaces, and merging the feedback annotation sets of all interfaces to obtain a first annotation set; setting cross validation items of every two annotation boxes in the first annotation set and constructing a corresponding cross validation matrix; on the basis of a cross validation matrix, dispute-free annotation box extraction, dispute-free annotation box aggregation and consistency score estimation are carried out; if the score is lower than a threshold value, a round of multi-person labeling is initiated again, otherwise, when the dispute labeling box set is empty, the non-dispute labeling box set serves as a final labeling result, when the dispute labeling box set is not empty, reexamination is conducted on the dispute labeling box set, and a set of the reexamination result and the non-dispute labeling box set serves as the final labeling result. According to the method, the labeling error of each image can be reduced, the overall labeling quality of all the images is improved, and the stability of the overall labeling quality is guaranteed.

The invention discloses a method for manufacturing a rigid-flex printed circuit board with a crossed surface flexible layer, which comprises the following steps of: taking a double-sided flexible copper-clad plate, manufacturing a copper layer and an insulating medium layer on one surface of the double-sided flexible copper-clad plate to form a groove body, forming an etching and ablation groove, distributing the groove body corresponding to the edge of a flexible board area, attaching a cover film in the range of the groove body, and forming an upper flexible board and a lower flexible board, manufacturing a rigid core plate layer and prepregs, stacking and laminating to form a laminated plate, manufacturing an outer layer circuit pattern, and then forming to form the rigid-flexible combined plate; optionally, a windowing rigid core plate and a windowing prepreg are manufactured, one layer of flexible plate is stacked and pre-pressed to form a groove body structure, a release pad is arranged in the groove body, and the other layer of flexible plate is stacked and pressed to form a pressed plate; the etching and ablating groove is formed in the flexible plate, it is guaranteed that the problem that the flexible plate is difficult to mill during forming is solved, the mode that the release pad is arranged is selectively adopted to replace the mode that the flexible plate is broken off after depth-controlled milling, and the machining quality and precision of the plate body are effectively improved.

The invention relates to the technical field of bearings, in particular to a bearing of a harmonic reducer. The operation working condition of the harmonic reducer is relatively complex, and the phenomena of oil seepage and oil leakage are serious sometimes, so that sealing failure is caused. And meanwhile, the cross bearing is not provided with a retainer, so that the rigidity and the bending resistance of the cross bearing cannot meet expected requirements. A bearing of a harmonic reducer comprises two outer rings, and the two outer rings are doubly fastened by a fixing mechanism and a guide mechanism; inner rings are arranged in the two outer rings and extend out of the outer rings; a retainer with an inclined angle is arranged between the two outer rings and the inner ring, a plurality of roller pins are arranged in the retainer, and the roller pins are of a double-row structure; and one ends of the outer ring and the inner ring are provided with sealing mechanisms with keeping elasticity. The starting torque of the retainer can be optimized by more than 10%, which is favorable for saving energy and keeping the stability of the motor. And the arrangement of the double rows of roller pins and the retainer can reduce the overflow of grease.

Embodiments included herein are directed towards a method for use in an electronic design. The embodiments may include causing, at a graphical user interface, a display of a portion of the electronic design. The method may further include determining a location of a mouse cursor at the graphical user interface. The method may also include automatically displaying at the graphical user interface one or more shapes associated with a current fabric. The method may additionally include automatically performing a cross fabric shape query associated with the location of the mouse cursor. Furthermore, the method may include automatically displaying one or more cross fabric shapes at the graphical user interface.

The invention relates to a three-degree-of-freedom redundant parallel mechanism suitable for a wave compensation ship and a compensation method thereof.The three-degree-of-freedom redundant parallel mechanism comprises a lower deck and an upper deck, the lower deck and the upper deck are arranged in parallel, a plurality of wave compensation branch chains are connected between the lower deck and the upper deck, and the wave compensation branch chains comprise redundant branch chains and non-redundant branch chains; the redundant branch chains and the non-redundant branch chains located in the same row or the same column are arranged in a crossed mode, the non-redundant branch chains comprise the first non-redundant branch chain and the second non-redundant branch chain, the non-redundant branch chains are arranged in an isosceles triangle mode with the second non-redundant branch chain as the vertex, and the rest of the non-redundant branch chains are the redundant branch chains. The position precision of the mechanism is guaranteed through the position control branch chains, time-varying nonlinear motion in the heaving, rolling and pitching directions is dynamically compensated in real time, meanwhile, the redundant structural force control branch chains balance driving force of all the branch chains by adjusting the driving force, the bearing capacity of the mechanism can be improved, and good overall rigidity is achieved.

A grid-based rail system of an automated storage and retrieval system includes a crossing. The crossing includes a first rail extending in a first direction and a second rail extending in a second direction which is perpendicular to the first direction. The first and second rails each include at least one track for guiding wheels of a container handling vehicle in a longitudinal direction of the rail. The first and second rails engage one another to form the crossing where the at least one track of the first rail crosses a path of the at least one track of the second rail. The crossing is configured to be supported by an upright member from below. At least one of the first and second rails is provided as a pair of rail sections arranged in an end-to-end manner in the longitudinal direction of said rail. The ends of the rail sections meet in a central portion of the crossing. The rail sections are configured to permit a range of movement of one end relative to the other in the longitudinal direction of the said rail so as to provide a thermal expansion joint for the said rail that is arranged within a volume of the crossing defined by the engagement of the first and second rails.

The invention discloses a steel structure modular assembly type building connection node and an assembly method.The connection node comprises an upper-layer basic module and a lower-layer basic module, the upper-layer basic module and the lower-layer basic module are connected through a middle connection module, and the middle connection module comprises a connecting piece; the connecting piece comprises a transverse steel plate and a longitudinal steel plate which are vertically crossed and fixed; the corner fittings are hollow box bodies, clamping and locking devices matched with the connecting pieces to achieve locking and unlocking of the corner fittings and the middle connecting module are installed in the corner fittings, each clamping and locking device comprises a spring bolt which is horizontally arranged, the two ends of each spring bolt penetrate through and extend to the outer sides of the corner fittings, and the spring bolts can stretch out of or retract into the corner fittings. According to the connecting joint, rapid locking and unlocking of the corner piece and the connecting piece can be achieved, accurate alignment is not needed during installation, the module assembling efficiency can be greatly improved, and cyclic utilization of module components is achieved.

The invention provides a packaging and 3D model cross inspection method and system based on a 3D model, and the method comprises the steps: carrying out the automatic class judgment of an input 3D model, and distinguishing the types of electronic components in the 3D model; according to the result of the 3D model category preprocessing module, the XY plane is stretched by a certain numerical value in the positive direction of the Z axis to form a cube, and the cube and the 3D model are intersected to form a preprocessed 3D model; a 3D model file including but not limited to a step format is input into a 3D model-based packaging and 3D model cross checking system of the component. A packaging file is input into a 3D model-based packaging and 3D model cross checking system of the component, and the system finally outputs Pass, Warning and Fail results. According to the automatic extraction method of the mode of representing the data through the 3D model, errors caused by manual acquisition are avoided, and the comparison efficiency is greatly improved according to automatic processing.

The invention relates to the technical field of filters, and discloses a resonator and a surface acoustic wave filter, and the resonator comprises an interdigital transducer and a transverse strip structure. The interdigital transducer comprises a first bus bar, a second bus bar, a plurality of first finger bars and a plurality of second finger bars; the first bus bar and the second bus bar are oppositely arranged, the same ends of the plurality of first finger bars are connected with one side, close to the second bus bar, of the first bus bar, and the same ends of the plurality of second finger bars are connected with one side, close to the first bus bar, of the second bus bar; the transverse strip structure is arranged in a target area of the interdigital transducer; the transverse strip structure comprises a plurality of first transverse strips and a plurality of second transverse strips, the first transverse strips and the second transverse strips are arranged in a crossed mode, the adjacent first transverse strips and second transverse strips are distributed in a staggered mode, and the first ends, in the first direction, of the first transverse strips are connected with the third ends, in the first direction, of the second transverse strips. According to the resonator provided by the invention, the Q value of the resonator can be improved while a transverse mode is effectively suppressed.

The present invention provides a modular “fabric-unit” with preferred embodiments for the construction of a multitude of different self-supporting game boards of different types, sizes and shapes, wherein the fabric-unit comprises an array of 3-dimensional square “fabric-cells” for game tiles or 3D game pieces and game board accessories, mounting slots in the form of cross-connectors for attaching game board accessories and a background graphic layer, a plurality of hermaphroditic edge connectors on all sides of the fabric-unit, whereby the hermaphroditic edge connectors make a strong connection with hermaphroditic edge connectors of an adjacent inverted fabric-unit of the same construction, and the fabric-unit comprising small profile crossbars and walls and preferably high optical transparency material to increase visibility of a background graphic layer, and matching edge-panels for providing a cosmetic perimeter to the game board and for attaching a background graphic layer.

The thin-wall rotary component correcting device comprises a rotary seat wing, the rotary seat wing comprises a flat plate and a hollow threaded sleeve, the flat plate and the hollow threaded sleeve are installed on a rotary component in a crossed mode, and the two ends of the hollow threaded sleeve are connected with adjusting supporting rods respectively. The adjusting supporting rods are installed on the inner side of the rotary component through supporting blocks respectively, and the supporting blocks are hung on the hole opening of the rotary component in an abutting mode and tightly attached to the inner wall of the rotary component. Through the arrangement of the supporting blocks, the supporting seats are not prone to shifting, rotating, loosening and falling to damage products in the operation process, the structure is simple, disassembly and assembly are convenient, and the reliability and the correction effect of the correction device are improved.

This disclosure relates generally to coding and decoding of 3-dimensional (3D) mesh and specifically to efficient coding of a vertex degree and face degree of 3D polygon mesh. In some implementations, when encoding a face, a vertex of the face following a split vertex of the face may be linked rather than signaled. In some other example implementations, a context for entropy encoding / decoding a vertex in the vertex degree or a face in the face degree may be selected based on cross characteristics in the face degree or the vertex degree.

The invention discloses a loading device for a non-reset full-automatic half-mode balance calibration system, and relates to the field of wind tunnel balance calibration, the loading device comprises a main body frame unit, a longitudinal cross hinge and a transverse cross hinge, the longitudinal cross hinge is provided with a longitudinal loading point, and the transverse cross hinge is provided with a transverse loading point; the main body frame unit comprises a first frame assembly and a second frame assembly. The first frame assembly comprises a first connecting main board, a first longitudinal connecting piece and a second longitudinal connecting piece, wherein the first connecting main board is used for being connected with a half-mode balance and / or a calibration connector. The second frame assembly comprises a first transverse connecting piece and a second transverse connecting piece. According to the invention, the working efficiency can be improved, the cross interference of longitudinal and transverse component loads can be reduced, the space of the main body frame can be saved, the accurate positioning of the force direction and the action point can be ensured, the additional interference caused by the deviation of the action point and the direction of the force can be reduced, and the uncertainty of the calibration of the half-mode balance can be improved.

The invention relates to a three-dimensional grid model processing method, computer equipment and a storage medium. The three-dimensional grid model processing method comprises the steps of obtaining a three-dimensional grid model corresponding to a medical image; wherein the three-dimensional grid model is composed of a plurality of grids, and the outer surface of the three-dimensional grid model is defined by geometric patches of the grids; acquiring the vertex curvature of each vertex in the grid, and adjusting the side length of the geometric patch of the grid according to the vertex curvature; wherein the larger the curvature of the vertex of the grid is, the larger the probability that the side length of the grid is shortened is, and / or the smaller the curvature of the vertex of the grid is, the larger the probability that the grid is merged is; and the vertex of the grid is translated by a preset distance along the direction pointed by the vertex normal vector, so that the self-crossing phenomenon after the expansion of the three-dimensional grid model is improved.

According to some illustrative embodiments, a modular mounting system for mounting accessories on vehicles includes: a) a plurality of support members, each of said plurality of support members having i) a lower upright planar member configured to extend downward along a peripheral wall around a vehicle bed, ii) a cross planar member extending laterally from the lower upright planar member and configured to extend across the peripheral wall around the vehicle bed, and iii) an upper upright planar member extending upwardly from the cross planar member and configured to extend upwardly above a height of the peripheral wall around the vehicle bed; and b) at least one of: i) a removable cross-bar removably supported by a plurality of said upper upright planar members; and ii) a removable side panel removably supported by a plurality of said upright planar members.

A reinforced joint of a crossed concrete filled steel tubular column for a cooling tower convenient to construct comprises four steel supporting columns, a radial reinforcing plate and an annular reinforcing plate, the four steel supporting columns are welded to form the crossed steel tubular joint of an X-shaped structure, and the radial reinforcing plate and the annular reinforcing plate are welded in the crossed steel tubular joint. The four steel supporting columns and the positions of the reinforced joints are all filled with concrete. Compared with the prior art, the reinforcing joint has the following advantages: (1) the reinforcing joint is not provided with a stiffening rib inside the steel pipe, so that the condition that a plurality of welding seams are mutually crossed is avoided, the construction process is simplified, and the manufacturing is simple; meanwhile, the reinforcing part is not exposed outside the component, and the appearance is attractive. And (2) the reinforced node can be designed based on the principle of'strong node and weak component ', the annular reinforcing plate and the radial reinforcing plate respectively improve the in-plane and out-plane rigidity of the crossed steel tube concrete, and also improve the steel content of the section, so that the bearing capacity of the node is improved, and the node is safer and more reliable.

The invention provides an electric arc additive and subtractive composite manufacturing method and device for a cross structure based on low surface roughness. The device comprises an electric arc additive manufacturing forming system, a milling and subtractive system and a three-dimensional scanning detection system. Firstly, cross structure characteristics are analyzed, an additive manufacturing program is generated through an electric arc additive manufacturing forming system, and a layer is added; secondly, the flatness S, the average height # imgabs0 #, the weld reinforcement h and the height D of each position of the formed surface are analyzed through a three-dimensional scanning detection system, and whether the flatness S exceeds a specified value or not is judged; and finally, material increasing and decreasing judgment is conducted, and if # imgabs1 # imgabs2 #, material decreasing is conducted through a milling and cutting material decreasing system. And if # imgabs3 #, additive repair welding is conducted through an electric arc additive manufacturing forming system. In combination with a three-dimensional scanning detection system, flatness feedback of the formed surface can be obtained in real time, material increasing and decreasing are conducted in time in the cross structure forming process, the roughness of the formed surface of the cross structure is effectively reduced, and the forming precision is improved.

The invention discloses a 3D printer visual leveling method and system.The method comprises the steps that a hot bed platform of a 3D printer is shot through a camera, image data of the surface of the hot bed platform are obtained, and the image data comprise a plurality of visual leveling strips printed on the hot bed platform as reference standards; the visual leveling strip is arranged on the hot bed platform to form a group of orthogonally crossed line grids, and the visual leveling strip comprises a series of position reference lines and corresponds to a preset coordinate system on the hot bed platform; processing the image data, and extracting a reference line feature point set in the image; the deviation amount of each feature point in the reference line feature point set relative to a preset reference line is calculated, and a hot bed deformation model used for describing the deviation of a hot bed platform at the vertical height is generated through fitting; determining an adjustment amount for leveling according to the deviation amount and the hot bed deformation model; and transmitting the adjustment amount to a leveling execution mechanism through a communication interface so as to drive a corresponding mechanical structure to realize automatic leveling of the hot bed platform. By utilizing the embodiment of the invention, the state of the hot bed platform can be comprehensively monitored and automatically leveled, and the reliability and the printing quality of 3D printing are remarkably improved.