221 results about "Oblique angle" patented technology

The invention discloses an electric arc fuse wire additive manufacturing method for a complex metal component with a protruding part, which comprises the following steps of: 1, three-dimensional modeling optimization: analyzing a three-dimensional model of the complex metal component; through local treatment, right-angle or oblique angle treatment and protruding part bottom supporting treatment, it is guaranteed that arc fuse wire additive manufacturing can be achieved; the optimized three-dimensional model is subjected to slicing treatment, and an electric arc fuse wire additive manufacturing path is obtained and optimized; and thirdly, the complex metal component with the protruding part is obtained through electric arc fuse wire additive manufacturing. According to the method, through three-dimensional modeling optimization, combined path optimization and additive manufacturing process parameter real-time adjustment, one-time additive manufacturing forming of the complex metal component with the protruding part is achieved, the continuity of the additive manufacturing process is guaranteed, the consistency of the overall performance of the complex metal component is improved, and the manufacturing method is simple in process, controllable and suitable for large-scale production. The method is suitable for the field of electric arc fuse wire additive manufacturing.

Systems and methods are provided for improving overall vision in patients suffering from a loss of vision in a portion of the retina (e.g., loss of central vision) by providing symmetric or asymmetric optic with aspheric surface which redirects and / or focuses light incident on the eye at oblique angles onto a peripheral retinal location. The intraocular lens can include a redirection element (e.g., a prism, a diffractive element, or an optical component with a decentered GRIN profile) configured to direct incident light along a deflected optical axis and to focus an image at a location on the peripheral retina. Optical properties of the intraocular lens can be configured to improve or reduce peripheral errors at the location on the peripheral retina. One or more surfaces of the intraocular lens can be a toric surface, a higher order aspheric surface, an aspheric Zernike surface or a Biconic Zernike surface to reduce optical errors in an image produced at a peripheral retinal location by light incident at oblique angles.

The invention discloses an unmanned aerial vehicle surveying and mapping device for a mine goaf, and relates to the technical field of unmanned aerial vehicle surveying and mapping, the unmanned aerial vehicle surveying and mapping device comprises an unmanned aerial vehicle supporting base, fixing frames are symmetrically mounted at the bottom of the unmanned aerial vehicle supporting base, buffer airbags and camera modules are arranged below the fixing frames, and the buffer airbags are symmetrically arranged on the two sides of the buffer airbags; the unmanned aerial vehicle surveying and mapping device for the mine goaf further comprises a multi-scene dynamic adjusting mechanism and a multi-angle adjusting mechanism. The multi-angle adjusting mechanism is linked with a third servo motor through a second servo motor, a V-shaped oblique angle swing block and a driving rod, so that multi-degree-of-freedom accurate adjustment of the camera module is realized. And in cooperation with stable supporting of the damping ring and the U-shaped frame, the shaking phenomenon in the shooting process is remarkably restrained, and it is guaranteed that images are clear and stable. The mechanism is further integrated with a damping air bag and a double-damping-seat structure, the influence of flight vibration on the camera module is further isolated, and it is ensured that high-quality image data can still be obtained in a high-dynamic environment.

The present application relates to the technical field of marine remote sensing observation, in particular to a kind of oblique ATI-SAR multi-viewing direction sub-aperture focusing marine vector flow inversion method.The present application includes the following steps: the observation of oblique ATI-SAR load, the focusing of multi-viewing direction sub-aperture, the inversion of multi-viewing direction HLOS flow rate, the solution of vector flow overdetermined equation, the test of vector flow internal and external consistency.The present application uses non-normal side-looking observation, uses physical oblique to enhance the observability along the track component, and keeps single-beam low cost and system simple;The present application can obtain much larger along-track component than "virtual oblique" because the contribution of azimuth component is proportional to the sine of oblique angle, which improves the solvability of equation and reduces the instability of inversion;With small system burden, intuitive and reliable observation information is obtained, equipment investment is saved, and scalable vector flow on-orbit observation is realized.The present application is a "three-step walk" closed-loop process, which breaks through the bottleneck of traditional technology in engineering usability and result robustness.

The utility model discloses a large-section hydraulic tunnel main adit intersection excavation support door frame in the technical field of tunnel construction, which comprises a reinforcing door frame and a connecting piece, the reinforcing door frame comprises outer door beams and inner door beams, a semicircular door beam is fixedly connected between the top ends of the inner door beams, and a door frame cross beam is fixedly connected between the tops of the outer door beams; the semicircular door beam is connected with the inner side of the portal cross beam, linear reinforcing ribs are fixedly arranged between the outer door beam and the inner door beam, a plurality of sections of inclined reinforcing ribs are fixedly arranged between the semicircular door beam and the portal cross beam, oblique angle supporting pieces are jointly connected between the tops of the inclined reinforcing ribs, and the oblique angle supporting pieces are fixedly connected between the outer door beam and the portal cross beam at the same time; according to the utility model, the outer door beam can be connected and fixed with the main hole support, the inner door beam and the semicircular door beam are in transition connection with the branch hole bracket, and the outer door beam and the inner door beam are connected through the linear reinforcing rib, so that the support at the intersection forms a whole, the stress is dispersed, and a good support effect is provided.

A method of bonding glass to a material includes contacting a first surface of a glass substrate with a first surface of a layer to form a contact location between the glass substrate and the layer; disposing an optical element optically upstream of the glass substrate; and performing a welding step by directing a laser beam onto the optical element such that the laser beam contacts the optical element, passes through the glass substrate at an oblique angle with respect to the glass substrate, and contacts the contact location to bond the glass substrate with the layer. Directing the laser beam onto the optical element imparts a wavefront aberration effect to the optical element. The laser beam is passed through the glass substrate to impart a wavefront aberration effect to the substrate. The wavefront aberration effect of the optical element counteracts the wavefront aberration effect of the substrate.

Variable-angle ellipsometry is performed using a high speed polarization state modulator, a photodetector, and a digital micromirror device or spinning disk to encode the angle of incidence of light with a high sampling rate in a time domain or frequency domain. A variable-angle ellipsometer uses a high speed, axially stationary polarization state modulator, such as a photoelastic modulator, and a high speed detector, such as a photodiode, for high speed data acquisition. To acquire data at a plurality of incident angles, a lens is used to generate a large incident angle distribution along an optical axis that is at an oblique angle of incidence and discrete or combinations of incident angles of light are selected in a sequence in the time domain or modulated over a plurality of incident angles in the frequency domain.

The utility model belongs to the technical field of wood door and window splicing, and discloses a wood door and window corner connecting structure which comprises a transverse section bar and a vertical section bar which are distributed in a mutually perpendicular mode, an oblique angle half tenon is arranged at the end of the transverse section bar, and a mortise connected with the oblique angle half tenon in a matched mode is arranged at the end of the vertical section bar. The oblique angle half tenons and the mortises are bonded through joggle joint glue, and the mortises are formed in the back faces of the vertical sectional materials. According to the door and window corner, the half-tenon connecting structure is adopted, the tenon groove is formed in the back face of the vertical profile, the oblique angle half tenon at the end of the transverse profile is embedded in the tenon groove, a 45-degree oblique angle splicing line is hidden in the back face of a door and window, and even if the oblique angle splicing position cracks, the cracking cannot be seen from the outer side face of the door and window corner, so that the door and window corner is attractive in appearance. Therefore, the attractiveness of the outer side face of the door and window corner is guaranteed.

The invention discloses an oblique angle combined and split-flow belt conveyor which comprises a conveyor body and an oblique roller assembly, the oblique roller assembly is installed at the oblique angle of the conveyor body and comprises two corrugated pipes, and the two corrugated pipes which are vertically spaced and arranged in parallel are installed on a rack, located at the oblique angle, of the conveyor body. A belt of the conveyor main body is wound on the two corrugated pipes respectively; the surface of each corrugated pipe is provided with outer arc spherical surfaces and inner arc spherical surfaces which are alternately and coherently distributed. According to the inclined roller assembly, the corrugated pipe structure is adopted, the belt only makes contact with the arc top face of the outer arc spherical face of the corrugated pipe, the contact face is greatly reduced, and therefore when luggage is conveyed, noise can be greatly lowered, meanwhile, the temperature of the belt can be lowered, and smooth luggage conveying and operation efficiency are guaranteed.

The application discloses a display device, which comprises a back plate, a mounting frame and a diffusion plate, wherein the back plate is provided with a light emitting part; the mounting frame is arranged on the back plate, and one side of the mounting frame close to the center of the back plate is provided with a mounting inclined surface which extends obliquely relative to the back plate; the diffusion plate is arranged in the mounting frame and spaced from the back plate, and the edge of the diffusion plate is provided with a matching inclined surface, wherein the matching inclined surface has the same oblique angle as the mounting inclined surface, and the diffusion plate and the mounting frame are engaged through the mounting inclined surface and the matching inclined surface. According to the display device, the mounting inclined surface is arranged on the mounting frame, and the matching inclined surface is arranged on the edge of the diffusion plate, the oblique angle of the matching inclined surface is the same as that of the mounting inclined surface, the light can be emitted from the edge of the diffusion plate, the brightness of the edge of the display device during light emission can be improved, the size of the edge frame of the display device can be reduced, and the use experience of the user can be improved.

1. Name of the product in this design: Replaceable Cork Vertical Grab Board (Angled Version). 2. Purpose of this design: This design is for use as a cat scratching board. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: a 3D model.

The present invention provides a processing apparatus capable of accurately monitoring the status within the processing apparatus. The processing apparatus (1) includes at least: a holding table (10) for holding a workpiece (100); a processing unit (40) for processing the workpiece (100) held by the holding table (10); transfer arms (51, 52, 53) for transferring the workpiece (100); and a display (61) having a display function for displaying the status of the processing apparatus (1). The display (61) displays a configuration diagram in three dimensions as if viewing the processing apparatus (1) from an oblique angle. The configuration diagram shows illustrations of the structural units of the processing apparatus (1) and illustrations of the workpiece (100) being processed by the processing apparatus (1) according to the actual configuration within the processing apparatus (1).

The invention discloses a shape-preserving and resistance-reducing design method for a rotating mechanism under rotor / fuselage coupling, which comprises the following steps of: setting the slenderness ratio of a streamline shaft sleeve based on a shape resistance coefficient formula, and verifying the surface pressure distribution and the separation area of the shaft sleeve through numerical simulation to ensure that the shape resistance coefficient meets a resistance-reducing target; setting the area ratio of an outlet to an inlet of the seam based on a Venturi effect formula, so that a low-pressure area is formed in the seam to suck a wing root boundary layer and delay airflow separation; establishing an aerodynamic load and motion parameter coupling model based on an instantaneous resistance formula, analyzing flow fields under different rotation angular velocities and oblique angles through numerical simulation, and optimizing a rotation track to reduce a resistance peak value and aerodynamic torque fluctuation; the invention aims to solve the problems of airflow vortex interference, large shape resistance, high resistance peak and poor aerodynamic stability by optimizing the shape of the rotating shaft sleeve, the fuselage-wing gap structure and the wing rotating track, and improves the cruise fuel efficiency and flight stability of the aircraft.

This invention discloses a method for optimizing a geological model by scanning the well inclination angle. It aims to solve the problem of low efficiency and poor accuracy in directional drilling where the geological model inclination angle is constantly fitted to the actual drilling curve to correct the geological model. The core steps are as follows: Step 1: Establish a geological steering model for the current drilling based on the logging and structure of the completed well. Step 2: Set the actual logging curve of the drilling trajectory AB segment as the target curve, and extract the simulated curve from the geological steering model along this segment of the well trajectory. Step 3: Set the inclination scanning range 'a' and the scanning step size 'dlt', read the well inclination angle ∠A at point A, and perform an inclination scanning of the well inclination of segment AB with a step size of 'd1t' within the range of ∠A-a to ∠A+a, extracting the simulated curve from the model at each inclination angle. Step 4: Calculate the similarity between the simulated curve and the target curve using the similarity calculation formula within the range of ∠A-a to ∠A+a, and record the inclination angle difference when the similarity is the maximum. Step 5: Use the angle difference recorded in Step 4 to make the geological model angle after point A equal to the original angle plus the angle difference. Step 6: To ensure continuous model updates, calculate the inclination point forward from point A, thereby guiding directional drilling.

The invention discloses a strip winding CCT magnet structure with local high-order sine optimization and oblique slotting, which is characterized in that local high-order correction in a Z direction is carried out on a central line spiral line track of a traditional CCT bobbin strip skeleton channel, and on a central line spiral line track from 0 degree to 360 degrees of the same turn of strip in the channel, the strip winding CCT magnet structure with the local high-order sine optimization and the oblique slotting is carried out on the central line spiral line track of the same turn of strip in the channel. The set position is selected for vertical grooving, the set position is selected for oblique grooving, and the oblique grooving direction is an oblique angle gamma compared with the traditional grooving direction perpendicular to the axis. In order to solve the problem that stress concentration of an HTS strip is prone to occurring in a bending transition area due to the existing vertical channel design, local high-order sine correction is introduced in the Z direction, and the space transition path of the strip is smoothly optimized. And the risk that the brittle superconducting strip (such as Nb3Sn) cracks or degenerates performance in the winding process is fundamentally reduced. The inclined slotting enables the side face of the channel to be in large-area fit contact with the wide face of the HTS strip.

The invention relates to the technical field of aluminum plate detection, and discloses an aluminum plate detection method which comprises the following steps: S1, obliquely placing a to-be-detected aluminum plate, and respectively acquiring images of the to-be-detected aluminum plate through two vertical cameras, S2, placing a tensile color-changing film on the surface of the to-be-detected aluminum plate in parallel, s3, acquiring a color-changing area or a color-breaking area of the tensile color-changing film through a vertical aluminum plate camera, and judging the surface appearance of the aluminum plate; according to the technical scheme, an acquisition mode of not less than two lenses is utilized, vertical and inclined double-angle image acquisition is carried out, a stretching color-changing film is combined with positive and negative pressure to be attached to an aluminum plate, an abnormal point location is obtained according to chromaticity change and a color breaking area, and the actual abnormal state of the abnormal point location is determined by combining a step shape formed by a grid at an inclined angle. The interference of the color of the aluminum plate on image processing is avoided, the judgment precision of the morphology defect is improved, and the judgment difficulty of the morphology defect is simplified.

This utility model discloses a corner-cutting machine for easy positioning of the cutting position, relating to the field of cutting machine technology. It includes: a worktable with stop bars on both sides of its upper surface, the two stop bars being collinearly distributed; symmetrically distributed bevel plates on both sides of the top of the worktable; a pad located inside the gap between the two bevel plates above the worktable; a rotatable angle positioning strip above the bevel plates and the pad, the angle positioning strip being used at least for positioning any cutting angle of the profile; a measuring ruler on the upper surface of the bevel plates and the pad; a cutting disc in the middle of the worktable; and a moving mechanism below the worktable, the moving mechanism being used at least for driving the feed movement of the cutting disc. The stop bars and bevel plates are used to achieve flat-edge cutting and 45-degree angle cutting of the profile, respectively. For profile cutting at any angle, the angle positioning strip is used, enabling cutting at any angle.

The embodiment of the application discloses a formation mobility correction method and device for anisotropic formation deviated well. The method comprises the following steps: acquiring the deviation angle, tool face angle, probe seat sealing azimuth angle and pressure response data of the target deviated well at the target depth; calculating the target shape factor according to the deviation angle, tool face angle, probe seat sealing azimuth angle and shape factor function; calculating the permeability ratio of the horizontal direction and the vertical direction of the formation at the target depth; acquiring the correction function generated in advance based on the deviated well apparent mobility model, permeability model and straight well standard mobility model; and calculating the target correction mobility of the target depth according to the correction function, target shape factor, permeability ratio, deviation angle, tool face angle, probe seat sealing azimuth angle and pressure response data. The scheme can correct the mobility of the anisotropic formation deviated well to the straight well standard, and provides the same evaluation standard for evaluating the formation mobility. Moreover, the correction precision and speed of the scheme are high.

The present invention provides an optical film that reduces the yellowing of the liquid crystal panel when viewed from an oblique angle, while maintaining heat resistance and transparency. [Solution] The optical film comprises a resin composition, and the thickness direction phase difference Rth at a wavelength of 590 nm is between -35.0 nm and -5.0 nm. The resin composition comprises an acrylic resin having a methyl methacrylate unit content of 98% by weight or more and a tripletacticity of 55% or more, and a copolymer containing (meth)acrylonitrile units and aromatic vinyl units, and has a glass transition temperature of 120°C or higher. The copolymer has a (meth)acrylonitrile unit content of 22% by weight or more and 28% by weight or less. The optical film has an internal haze of 0.20% or less.

The application provides a touch screen function sheet silver paste laser bevel processing device, belonging to the touch screen processing technical field. The quality detection assembly, wherein the confocal microscopic technique, provides the three-dimensional surface imaging ability of nanometer level resolution, can monitor the processing of the silver paste edge bevel in real time, the three-dimensional adjustable support supports the probe to adjust in the X / Y / Z axis direction, cooperates with the nanometer level displacement detection ability of the miniature confocal microscope, can calibrate the bevel angle of the laser processing head and the function sheet in real time, thereby ensuring the accuracy of the bevel cutting, avoiding the short circuit of the silver paste line caused by the angle error, the high light reflection smoke dust is easy to produce during the laser processing, the air curtain isolation device forms a barrier through the annular airflow, can blow away the particles generated by the molten silver paste in real time, ensures the definition of the microscopic image, and the ceramic sleeve keeps the structure stable under the high temperature environment generated by the laser processing, prevents the deviation or failure of the miniature confocal microscope lens caused by thermal deformation.

The invention relates to the technical field of touch screen supports, and discloses a touch screen support capable of manually adjusting an angle, the touch screen support comprises a mounting rack, an angle adjusting mechanism is arranged on the mounting rack, a placing mechanism is arranged above the angle adjusting mechanism, and a lifting mechanism is arranged below the placing mechanism; the angle adjusting mechanism comprises a rotating rod, the top end of the rotating rod is fixedly connected to the bottom of the mounting frame, a protective shell is rotatably connected to the outer wall of the rotating rod, a fluted disc is fixedly connected to the outer wall of the rotating rod, a telescopic rod is fixedly connected to the interior of the protective shell, and a clamping block is fixedly connected to the end, close to the fluted disc, of the telescopic rod. By rotating the first knob, the first knob can drive the worm to rotate, the worm rotates to enable the worm gear to rotate, the worm gear drives the rotating shaft to rotate, and the rotating shaft drives the placing mechanism to rotate, so that the inclination angle of the display screen on the placing mechanism is changed, and the plane of the screen is perpendicular to the horizontal sight line of a user.

The clamp guard includes a first body and a second body. The first body includes a first upper end, a first lower end, and a first axis extending between the first upper end and the first lower end. The first body includes a first connection feature disposed proximate to the first upper end. The second body includes a second upper end, a second lower end, and a second axis extending between the second upper end and the second lower end. The second body includes a second connection feature disposed proximate to the second upper end. The first connection feature is connected to the second connection feature along a pivot axis. The pivot axis is oriented at an oblique angle relative to the first axis and the second axis. The first body can pivot relative to the second body about the pivot axis between an open position and a closed position.

Aspects of the present disclosure relate to methods and apparatus for correcting a lithography system. In one embodiment, a method of operating a lithography system includes directing a first light beam toward a reflective surface of a first substrate using an optical module. The method includes directing the first light beam collected by at least one objective lens toward a camera and taking a plurality of first images of the first light beam. The method includes directing a second light beam at an oblique angle toward a patterned surface of a second substrate using an illumination source disposed below the objective lens. The method includes directing the second light beam collected by the at least one objective lens toward the camera and taking a plurality of second images of the second light beam. The method includes determining a tip correction, a tilt correction, and an optimal vertical position of the optical module.

The utility model provides a kind of burr cutting device of injection molding, it includes support frame, and the V-shaped plate for carrying positioning injection molding is obliquely installed on support frame, and the support frame at the lower end of V-shaped plate is detachably installed with baffle, the processing gap is formed between the both sides of V-shaped plate to expose injection molding burr, and the support frame below V-shaped plate processing gap is equipped with the linear lead screw consistent with the oblique angle of V-shaped plate, linear lead screw is equipped with guide rail and moving frame, and moving frame is installed with cutting knife.The utility model aims at solving the problem of high labor intensity of manual operation, unstable cutting quality.

The utility model relates to the technical field of bolt machining, and discloses an auxiliary tool for bolt machining, which comprises a bottom plate, and a mounting plate is rotatably connected to the top of the bottom plate. Then, the bolt material can be rotated, so that a clamping piece I and a clamping piece II are matched with a rotating rod I and a rotating rod II respectively to rotate, and at the moment, the slant angle of the bolt material can be adjusted; then, a locking knob is tightened, so that pressing pieces at the tops of the first rotating rod and the second rotating rod press the first rotating rod and the second rotating rod and lock the first rotating rod and the second rotating rod through a rack and a clamping tooth groove, at the moment, the angle of a first clamping piece and the angle of a second clamping piece can be locked, and then the oblique bolt material is locked; therefore, when the bolt material is obliquely clamped by the clamping tool, the oblique angle of the bolt material is locked and positioned, and the stability of the bolt material during oblique clamping is improved.

This utility model provides a universal fixture for the bottom shell of an outdoor LED angled display screen. The short-side fitting plate of the fixture can be used alone to fit two opposite short sides of the bottom shell that are angled; or it can be used in conjunction with the long-side fitting plate to form a rectangular fixture by connecting corner pieces, used to fit a bottom shell with all four sides angled. This fixture does not require a tray, and no manual magnetic fixing is needed during aging; the processing can use the existing standard assembly program without needing to readjust the locking positions, ensuring normal production line operation; screws are used for fixing in the screw holes on the bottom surface, allowing it to be shipped as a standard assembly. This fixture has a simple structure, is easy to assemble, and can be directly used for aging and shipping, simplifying the production and assembly process of angled bottom shells, improving production efficiency, reducing production costs, and facilitating product promotion and application.

This invention provides an image projection device using a microprism array that can form a highly visible projected image with excellent uniformity of illumination even when the projection surface is illuminated at an oblique angle. [Solution] The ground-type directional indicator light 1, which is an image projection device using a microprism array, comprises at least one light source 20 and a microprism array 10 in which a plurality of irregularly shaped prism cells 11, each constituting a discontinuous microprism, are arranged in a two-dimensional array corresponding to a target projection pattern P. The image projection device forms a projected image PI consisting of a plurality of drawing pixels Q on the projection surface S by projecting light emitted from the light source 20 obliquely onto the projection surface S through each prism cell 11. The number of prism cells 11 assigned to each drawing pixel Q of the projected image PI is set based on the distance of each drawing pixel Q from the light source 20 and the angle of incident light.

This invention relates to the field of process control technology, and discloses an automatic control method and system for actual drilling trajectory comparison deviation. The method includes: performing coordinate analysis on the inclination angle and azimuth angle at the well depth and the spatial coordinate sequence of the designed trajectory at the well depth to obtain a spatial coordinate sequence; performing sliding window comparison analysis on the spatial coordinate sequence and the spatial coordinate sequence of the designed trajectory at the same well depth to obtain a multi-scale deviation feature set; performing nonlinear mapping inference on the multi-scale deviation feature set to obtain a dynamic control target vector; performing correlation analysis on the tool face angle in the dynamic control target vector and the measured tool face angle to obtain a bottom-level drive command sequence; performing spatial registration evaluation on the spatial coordinate sequence and the preset design trajectory to obtain a spatial deviation vector sequence; and adaptively adjusting the bottom-level drive command sequence to obtain a target drilling scheme. This invention can improve the efficiency of automatic control of actual drilling trajectory comparison deviation.

A loading port device and a mapping device thereof, the mapping device of the loading port device is adapted to detect a plurality of objects to be tested placed in a container and comprises a first sensing group and a second sensing group. The first sensing group is movable relative to the container along a detection direction, the first sensing group is used to detect the objects to be tested and has a first optical axis. The second sensing group is movable relative to the container along the detection direction and is used to detect the objects to be tested and has a second optical axis inclined relative to the first optical axis, the second optical axis is farther away from the container than the first optical axis and is located in front of the first optical axis in the detection direction. Through the design of the inclination angle of the second optical axis relative to the first optical axis, the inclination angle detection function in three-dimensional space is achieved.

1. The name of the design product: ice cube mold (oblique angle symmetrical pattern). 2. The use of the design product: mold for making ice cubes. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view 1.