553 results about "Oblique angle" patented technology

The invention relates to the technical field of tool control, in particular to a tooth cutting tool parameter control system based on bevel angle cutting, which comprises a tool parameter acquisition module used for acquiring the rotating speed, the axial feeding amount and the cutting depth of a tool in real time; the force-heat prediction model is used for outputting predicted cutting force and predicted cutting tool temperature; the multi-target parameter optimization model is used for receiving constraint conditions set by a user, optimizing the rotating speed, the axial feeding amount and the cutting depth of the cutter by taking the lowest cutting force, the lowest temperature of the cutting cutter and the highest machining efficiency as targets in the constraint conditions, and integrating and outputting a regulation and control strategy; and the cutter parameter control module is used for regulating and controlling the rotating speed, the axial feeding amount and the cutting depth of the cutter based on a regulation and control strategy when the predicted cutting force and the predicted temperature of the cutting cutter exceed threshold values. According to the method, by accurately regulating and controlling the parameters of the tooth cutting tool, the machining efficiency of the tooth cutting tool can be ensured, and meanwhile the abrasion speed of the tooth cutting tool is reduced.

The invention discloses a method for predicting dynamic mechanical properties of a tough difficult-to-machine material based on milling. The method comprises the following steps: firstly, optimizing and solving a normal shear angle of an oblique angle cutting shear plane through an iterative method: (a) setting an initial value of the normal shear angle; (b) calculating an undeformed chip thickness, a cutter instantaneous invasion angle, a cutting force component and a normal friction angle based on the normal shear angle initial value; (c) updating a normal shear angle calculation value; (d) calculating the error between the initial value and the calculated value of the normal shear angle, if the error is not within the allowable range, repeating the steps (a)-(d) until the error is within the allowable range, and outputting the final calculated value as the optimized normal shear angle; then, parameters such as the optimized normal shear angle are substituted into a related equation containing fracture toughness, yield strength and viscous toughness to solve the fracture toughness Gc of a workpiece material at a tool nose in the milling process, the yield stress sigma Y in a shear plane and the viscous toughness Ga of chip slippage at a tool-chip contact interface.

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.

The invention provides a build-up rate intelligent prediction method and device, computer equipment and a storage medium, and the method comprises the steps: collecting the drilling and measurement data of an actual measurement point, and carrying out the data processing of the drilling and measurement data, and obtaining time series data and non-time series data; inputting the time series data and the non-time series data into a preset double-input GRU model, and calculating the time series data and the non-time series data by using the preset double-input GRU model to obtain an azimuth angle of the actual measurement point and a hole drift angle of the actual measurement point; and extracting well depth data of the actual measurement point from the drilling measurement data, and calculating the build-up rate of the actual measurement point according to the well depth data, the azimuth angle and the hole drift angle. According to the method, the skew rate is calculated by utilizing the preset double-input GRU model, so that the problems that multiple assumed conditions of a mechanism model are difficult to meet at the same time, underground mechanical behaviors are complicated and difficult to describe accurately are solved to a certain extent, and the problems that an intelligent model cannot focus key features and the generalization performance is insufficient are solved, and thus the accuracy of calculating the skew rate is improved.

A fluorescence microscopy inspection system includes light sources able to emit light that causes a specimen to fluoresce and light that does not cause a specimen to fluoresce. The emitted light is directed through one or more filters and objective channels towards a specimen. A ring of lights projects light at the specimen at an oblique angle through a darkfield channel. One of the filters may modify the light to match a predetermined bandgap energy associated with the specimen and another filter may filter wavelengths of light reflected from the specimen and to a camera. The camera may produce an image from the received light and specimen classification and feature analysis may be performed on the image.

The invention discloses a visual positioning method for alignment assembly of a display screen module, and particularly relates to the technical field of automatic assembly. Acquiring multi-source image data including an orthographic vision image, an oblique angle projection image and a near-infrared image; carrying out image enhancement and feature fusion processing, and constructing a multi-dimensional joint visual feature matrix of structure edges, illumination reflection textures, material mark points and the like; identifying module key identification points based on the feature information, and constructing an adaptive error compensation model to predict and correct a positioning error; dynamically adjusting the pose of the identification point through a real-time image sequence, and generating an optimal alignment control path; in the path execution process, image feedback and encoder information are fused to monitor the positioning precision in real time, and a dynamic path re-planning mechanism is triggered to realize micro correction; the method can be widely applied to a high-precision and high-consistency display module automatic assembly scene.

The invention discloses a bubble defect detecting and positioning system and method based on X-ray enhanced partial discharge, and belongs to the technical field of nondestructive testing of insulating materials, the system comprises a shielding box slidably mounted on a three-dimensional linear guide rail, an X-ray machine and a red laser are embedded in the shielding box, and double-oblique-angle cameras are mounted on two sides of the three-dimensional linear guide rail; the laser positioning synchronization device is installed on the movable collimation X-ray scanning module, and the movable collimation X-ray scanning module emits an X-ray beam towards the basin-type insulator to be detected; the laser positioning synchronization device emits a laser beam towards the basin-type insulator to be detected; the laser beam is coaxial with the X-ray beam; the double-oblique-angle camera shoots the basin-type insulator to be detected; the pressurization circuit is respectively connected with the pressurization electrode and the partial discharge detection system, and the pressurization electrode is electrically contacted with the basin-type insulator to be detected; the intelligent control platform is connected with the voltage increasing circuit, the movable collimation X-ray scanning module, the laser positioning synchronization device, the double-oblique-angle camera and the partial discharge detection system.

The present invention relates to the technical field of automotive part forming, and specifically discloses a stamping and welding process for a closed torsion beam longitudinal arm. S1. Drawing: Form a partial product profile of the longitudinal arm by means of stamping and drawing; S2. Trimming: Remove the redundant material, and at the same time stamp an oblique angle on the edge of the sheet metal; S3. Stamping and flanging; S4. Final stamping forming: Use a final forming die to directly stamp and close the free end of the product with a U-shaped cross-section. The final forming die includes an upper die and a lower die. The lower die is in concave-convex fit with the drawing part of the product. A cavity matching the shape of the designed product is provided on the upper die. Guide inclined surfaces are provided on both sides of the cross-section of the cavity of the upper die. During the die closing process of the final forming die, the oblique angle at the free end of the product automatically moves along the edge of the cavity of the upper die until the free end is closed at the top of the cavity; S5. Welding: Weld at the closed position of the product. This solution is used to solve the problem of low forming efficiency of the longitudinal arm existing in the current method of forming the longitudinal arm by means of tube rolling.

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 utility model relates to the technical field of walking type electric stackers, and discloses an anti-toppling structure of a walking type electric stacker, which comprises a base, a stacker body is arranged on the upper surface of the base, an anti-toppling plate is arranged on the inner wall of the stacker body, a second groove is formed in the anti-toppling plate, and the second groove is communicated with the base. A rotating shaft is fixedly connected to the interior of the fork truck body, a sliding rail is fixedly connected to the inner wall of the anti-falling plate, a rotating disc is arranged on the outer wall of the sliding rail, a sliding block is slidably connected to the inner wall of the sliding rail, a limiting column is fixedly connected to the inner wall of the sliding block, and a first groove is formed in the rotating disc; and the inner wall of the rotating disc is fixedly connected with a threaded rod. According to the utility model, the nut is rotated to drive the threaded rod to rotate, and then the turntable rotates along with the rotation of the threaded rod, so that the purpose of forming an oblique angle between the anti-toppling plate and the base is finally realized, and the anti-toppling plate supports the stacker body, thereby achieving the effect of preventing the stacker body from toppling due to the change of the gravity center in the stacking process.

The invention discloses an optical receiving assembly, an optical module and a communication device, the optical receiving assembly is used for receiving an optical signal transmitted by an APC optical fiber, the optical receiving assembly is composed of a light guide element and a photoelectric detector, the emergent end surface of the APC optical fiber is an inclined surface, and the emergent light beam enters the light guide element at an inclined angle; the light path adjusting structure is arranged in the light guide element, the direction of the light path can be changed, and the light beam emitted by the APC optical fiber can enter the photosensitive surface of the photoelectric detector at a vertical angle after being transmitted by the light guide element. According to the optical receiving assembly, the offset and loss of the optical signal in the transmission process can be reduced, the sensitivity and the signal transmission efficiency of the optical receiving assembly are improved, and the performance of the whole optical module is further improved; and the overall performance of the communication equipment is optimized, so that the communication equipment is more suitable for high-speed and large-data-volume transmission requirements.

The invention relates to the field of mowers, and provides a collision detection method and a collision detection structure. A first polarity Hall plate is rotatably mounted on a shell in the height direction, so that an inclined angle is formed between the first polarity Hall plate and the front-back direction; a first magnetic piece is arranged on the buffer frame and located on one side of the first polarity Hall plate, a first distance is formed between the first magnetic piece and the first polarity Hall plate in the front-back direction, and a second distance is formed in the left-right direction; the ratio of the first distance to the second distance is changed by adjusting the inclination angle of the first polarity Hall plate, so that the detection sensitivity in the front-back direction and the left-right direction is controlled. A first polarity Hall plate is rotatably arranged in the height direction, and a first magnetic piece and the first polarity Hall plate form a first distance in the front-back direction and form a second distance in the left-right direction; the proportion of the first distance and the second distance is controlled by adjusting the inclination angle of the first polarity Hall plate, so that the collision source direction is distinguished, and the sensitivity in the front direction and the left-right direction is controlled.

This invention provides a system and method for imaging a surface, moving in a motion direction, with a vision system having at least a first camera, defining an optical axis, transmitting acquired images of the surface to a vision system processor. At least a first bar illuminator extends in a direction transverse to the motion direction. The bar illuminator defines opposing, interleaved arrays of localized solid state light sources (e.g. LEDs). Each of the arrays is oriented to propagate light at a respective, opposing oblique angle with respect to the optical axis, which can be independently activated as respective image(s) are acquired. The first bar illuminator is oriented with respect to the surface so as to project arrays that propagate light along a first plane defining a first non-parallel angle versus the optical axis. The two non-parallel angles can each define opposing angles with respect to the optical axis.

The invention discloses a steel pipe piece vertical plate multi-angle cutting rapid positioning device which comprises a plurality of cutting workbenches, connecting plates are arranged in the cutting workbenches, a plurality of cutting sawtooth plates are connected to the connecting plates in a clamped mode, waste grooves are formed among the cutting sawtooth plates, and waste boxes are arranged at the bottoms of the cutting workbenches. An angle adjusting piece is arranged on the cutting workbench, the vertical plate is positioned on the cutting sawtooth plate through the angle adjusting piece, a cutting mechanical arm is arranged on the front side of the cutting workbench, and a laser cutting head is arranged on the cutting mechanical arm. The vertical plate is placed on the cutting sawtooth plate, meanwhile, the angle adjusting piece is used for positioning the vertical plate, when bevel angles of different angles need to be cut, only the connecting plate needs to be rotated, then the vertical plate is driven to rotate, then the laser cutting head is used for cutting the vertical plate at the corresponding angle, and the structure can be adjusted through the angle adjusting piece; and the vertical plate is positioned at different angles and is matched with cutting of the laser cutting head, so that different oblique angles are cut, and the applicability is improved.

There is provided a processor device that performs a type determination method for an endoscope by a processor using an endoscope color adjustment jig, the endoscope color adjustment jig including an insertion portion that includes at least one insertion hole into which a distal end portion of the endoscope is inserted, a lid portion that is disposed to face the insertion portion in an insertion direction of the distal end portion, and an outer peripheral portion that is in contact with the insertion portion and the lid portion to form an internal space, the lid portion including a chart that includes a mark on an inner surface facing the internal space, in which the processor is configured to, based on a shape of the mark imaged by the endoscope inserted from the insertion portion, determine an oblique angle of the endoscope.

A paper cutter is disclosed, including a barrel. The barrel is configured with an opening on one side, and a bottom of the opening is configured to be mounted with a removable blade. The removable blade is composed of a detachable base, a paper guiding slot and a blade. The paper guiding slot is configured on a top of the detachable base, the blade is mounted on an inside of the paper guiding slot at an oblique angle, and the barrel is configured with a groove on an inside wall. The present disclosure belongs to the technical field of a cutting device for paper products, specifically refers to a paper cutter, it is easy to replace blade accessories, the removable blade is placed separately to ensure that there is no exposure and also can ensure safety. The paper cutter also has high cutting efficiency and a flat cutting surface.

A near-eye display includes a light-guide optical element (LOE) (10) having first and second major external surfaces (11A, 11B) that are planar and mutually parallel. An image projector (2) introduces into the LOE illumination corresponding to an image so that the illumination propagates within said LOE by internal reflection at the major external surfaces. A coupling-out arrangement couples the illumination out of the LOE towards the eye of the observer. The coupling-out arrangement may be a set of mutually-parallel, partially-reflective surfaces (12A) deployed at an oblique angle within the LOE. Various arrangements for suppressing reflections of ambient light sources include obstructing baffles oriented so as to avoid reduction of peripheral field of view, various non-reflective coatings and various deployments of polarization filters.

A control method and apparatus for a rotating cylinder are provided by initiating a trigonometric function calculation between the inclinations of the X-axis and the Y-axis of a rotating cylinder and the declination angles formed by a first wheel and a second wheel constituting the rotating cylinder.

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.

1. Name of the product in this design: Tabletop Water Purifier (Full Function). 2. Application of this design: This design is mainly used for a series of functions such as purification, heating, and cooling of drinking water. 3. The key design features of this product are: the overall shape, the angle of the tilted buttons, and the visible dual water outlets. 4. The image or photograph that best illustrates the design's key points: 3D view 1.

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.

The invention relates to the technical field of electric power engineering construction, and discloses an electric power engineering transformer installation device which comprises a hoisting connector body composed of a hoisting plate, a hoisting rope mechanism, a traction steel wire rope, a butt joint mechanism, a first anti-falling mechanism and a second anti-falling mechanism. And the hoisting connector body is used for connecting the transformer body with a lifting hook of a hoisting machine. According to the installation device of the electric power engineering transformer, the butt joint mechanism is arranged, and the butt joint mechanism is rapidly connected with a transformer lifting lug through cooperation of a butt joint column, a T-shaped locking block and a locking ring; due to the oblique angle design of the butt-joint column, the butt-joint column can be conveniently inserted into the connecting hole, the T-shaped locking block is transversely limited and matched with the locking ring to bidirectionally extrude the lifting lug, a traditional rope knot or shackle fixing mode is replaced, single-person operation time is shortened to be within 5 minutes from traditional about 30 minutes, lifting efficiency is greatly improved, and the device is particularly suitable for high-altitude or narrow space operation. And the operation difficulty and physical output of constructors are reduced.

A tool holder for holding a tool includes a body and a mount. The body includes an interior region configured to receive the tool, wherein the tool defines a primary axis. The mount includes an angled portion, wherein the mount is coupled to the body, wherein the mount is configured to be secured to an object, and wherein the object defines a primary axis. The mount maintains the body in an orientation such that when the body receives the tool and mount is secured to the object, the primary axis of the tool and the primary axis of the object form an oblique angle.

A luminaire housing and grille clip assembly (200, 700), comprising: a luminaire housing (202, 702); and a grille clip (208, 300) attached to the lamp housing (202, 702). Wherein the grille clamp comprises: a first arm (304); a second arm portion (306) curved at a curved release portion (314) between the first arm portion (304) and the second arm portion (306), where a distal end portion (502) of the second arm portion remote from the curved release portion (314) is positioned higher than the first arm portion (304) and a proximal end portion (504) of the second arm portion close to the curved release portion (314), and where the curved release portion (314) forms an oblique angle (406) with a peripheral edge (418) of the second arm portion; a third arm portion (308) bent downward relative to a distal end portion of the second arm portion (306) such that when the second arm portion is located above the ceiling grille (712), the first arm portion and the third arm portion are on opposite sides of the ceiling grille (712); and a lug portion (310) connected to the third arm portion (308) and designed to be located below an overhang portion (906) of the ceiling grille.

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.

The utility model belongs to the technical field of machining and manufacturing, and discloses a multi-angle detachable cutter combination device which comprises a cutter connecting device and a cutter, an inclined through hole is formed in the cutter connecting device, and the cutter is fixedly installed in the inclined through hole of the cutter connecting device through a detachable pressing structure. The oblique angle of the oblique through hole enables the tool bit of the tool to be obliquely outward. According to the multi-angle detachable cutter and the connecting device, structures such as deep grooves and in-hole bosses can be machined on machining center equipment, and the multi-angle detachable cutter and the connecting device are convenient to mount and dismount, have multiple angles and have certain applicability. The extending amount of the cutter can be adjusted through the adjusting screw, so that holes of different sizes can be machined, and the applicability is higher.

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.