110 results about "Slant angle" patented technology

The invention relates to a hole bottom sediment thickness adaptive direction measurement method for irregular hole shapes. The method comprises the following steps: acquiring hole wall images and vertical distance data in multiple directions; image preprocessing is carried out, hole wall feature points are extracted, three-dimensional coordinates are converted, a dynamic three-dimensional model is fitted, deformation grades are divided, and an inclination angle is determined; preferentially distributing detection points in a serious deformation area, calculating an optimal angle, monitoring by a gyroscope, correcting by an electromagnetic damper, adjusting by a servo motor, and ensuring that an included angle between a probe axis and a hole bottom tangent line is compliant; transmitting multi-frequency ultrasonic waves according to deformation grades, analyzing reflected signals through wavelet transformation, extracting sediment layering characteristics, and calculating the distance from a probe to a layering surface through speed correction; the reference distance is calculated based on the reference coordinates, the sediment total thickness and the dense layer thickness are finally obtained, and the measurement method which is adaptive to hole wall deformation, eliminates interference, dynamically adjusts detection parameters and is accurate in reference positioning can meet the high-precision requirement of engineering for sediment thickness and compactness quantification.

To efficiently handle a segment for constructing an underground structure in a pit.SOLUTION: This segment handling system for the underground structure is composed of a construction machine body having an arm extending and contracting in the longitudinal direction and elevating and lowering in the vertical direction and an attachment installed on the tip of the arm. The attachment includes at least a segment mounting portion to be mounted to a segment for assembling an underground structure, connection means detachably attached to the segment mounting portion, tilt means connected to the connection means for adjusting an inclination angle of the segment held by mounting the connection means to the segment mounting portion, and rotation means for adjusting a rotation direction of the segment, and can efficiently perform construction positioning of the segment freely vertically, horizontally, and obliquely.SELECTED DRAWING: Figure 1

The application provides a pier top deviation monitoring device and a monitoring method, and relates to the technical field of deviation monitoring.The monitoring device comprises a first distance measuring element, a second distance measuring element, a third distance measuring element, a first distance measuring plate, a second distance measuring plate and a third distance measuring plate.The first distance measuring element measures distance along a horizontal direction, and the distance measuring surface of the first distance measuring plate is perpendicular to the distance measuring direction of the first distance measuring element.The second distance measuring element measures distance along a gravity direction, and the distance measuring surface of the second distance measuring plate is perpendicular to the distance measuring direction of the second distance measuring element.The third distance measuring element measures distance along a first direction, and the distance measuring surface of the third distance measuring plate is perpendicular to the distance measuring direction of the third distance measuring element.There is a deviation angle between the first direction and the gravity direction.The application can measure the inclination angle of the pier foundation and the elastic deformation of the pier body, and is simple to install, convenient to measure, easy to maintain, can monitor the health condition of the pier, has a low cost and has no negative influence on the pier.

The utility model discloses a device for measuring the slope ratio and angle of a side slope, a sliding marking plate is clamped in an L-shaped support main body in a sliding manner, the end part of the sliding marking plate is fixedly connected with a mounting arc groove end plate, a fixing screw is clamped at one corner of the top surface of the L-shaped support main body through a thread, and the other corner of the top surface of the L-shaped support main body is fixedly connected with the mounting arc groove end plate. An adjusting long rod is installed in the middle of the top end of the installation arc groove end plate in a penetrating mode, and the inclination angle of the laser generator is displayed through the marking arc-shaped plate. The numerical value pointed by the laser generator displayed on the arc-shaped marking plate is the angle and the slope ratio of the slope, so that the measurement of the slope is completed, the convenience of the slope measurement process of the measurement device is effectively improved, the laser generated by the laser generator can also be used as a reference in the slope trimming process, the function of the measurement device is further expanded, and the measurement efficiency is improved. And the use convenience of the measuring device is improved.

The invention discloses a plane inclination angle measuring method based on laser ranging. According to the method, firstly, three laser ranging modules are placed on a measuring plane, and the relative positions of the three laser ranging modules are fixed; then, establishing a three-dimensional Cartesian coordinate system by using the modules, and measuring an included angle between the three-dimensional Cartesian coordinate system and a coordinate axis; then, calculating the coordinates of the module in the coordinate system, and calculating the included angle between the coordinates and the included angle to obtain a unit normal vector of the measurement plane; thirdly, the three modules are controlled to emit laser to measure the distance of the photovoltaic panel, and the coordinates of the measuring points on the photovoltaic panel are calculated according to the distance measuring result; and finally, constructing a plane equation of a plane where the photovoltaic panel is located by using the coordinates, and calculating an included angle between the plane where the photovoltaic panel is located and the xy plane. The problem that in the prior art, a user needs to climb a photovoltaic support to measure the inclination angle of a photovoltaic panel, and measurement is difficult is solved.

The present application relates to the field of processing measurement technology, and more particularly to a kind of automatic measurement method and system for engine box class part machining aperture.The method includes the following steps: obtaining original aperture image;Using local gradient sliding window to locate initial edge point set, determining the tilt angle of viewing axis and the deflection azimuth angle of major axis based on fitting method, to realize the independent separation of the two;Using the deflection azimuth angle of major axis to construct rotation relationship to obtain spindle alignment point set;Using the tilt angle of viewing axis to carry out projection transformation to obtain orthogonal projection point set;Based on the tilt angle of viewing axis, determine the local object distance drift of each edge pixel point, and then determine the non-uniform magnification correction gain, carry out numerical compensation restoration on orthogonal projection point set, to obtain the final machining aperture size;Output compensation signal to drive machine tool compensation actuator to adjust tool offset value.The present application solves the non-uniform magnification distortion problem caused by probe rod droop, and realizes the true value restoration of space light field.

The application discloses a grinding processing method for inner concave outer circle and end face, which comprises the following steps: grinding the inner concave outer circle and end face of a part to be processed by using a grinding wheel; the grinding wheel comprises a grinding wheel body and a connecting rod; one end of the connecting rod is connected to a grinding wheel frame, and the other end is connected to one end of the grinding wheel body; a grinding surface is arranged on the side surface of the grinding wheel body to grind the part to be processed; the central axis of the connecting rod and the central axis of the part to be processed have an inclination angle alpha; on the plane passing through the central axis of the part to be processed, the end face projection line is used as a reference line, the highest height of the inner concave outer circle projection line relative to the reference line is H, the diameter of the grinding wheel body is D, the diameter of the connecting rod is d, the length of the connecting rod is l, l<=3d is satisfied, and beta=90-alpha. The application has the advantages of high machining precision and high efficiency.

The utility model relates to the technical field of geology and geophysical prospecting, and discloses a drilling machine positioning device for geology and geophysical prospecting, which comprises a bottom frame, the bottom surface of the bottom frame is fixedly connected with four storage shells, the bottom of each storage shell is provided with a universal wheel, each storage shell is fixedly connected with a storage unit through the top of the universal wheel, and the storage units are connected with the bottom surface of the bottom frame. An adjusting shell is fixedly connected to the inner wall of the bottom frame, a positioning unit is arranged in the adjusting shell, a stepping motor, a threaded rod, a threaded swing shell, an arc-shaped sliding rail frame and a sliding block are matched with the stepping motor to drive the threaded rod to rotate, so that the threaded rod spirally rotates in the threaded swing shell, the sliding block slides in the arc-shaped sliding rail frame, and the positioning unit is arranged in the adjusting shell. The inclination angle of the threaded rod and the drill bit can be adjusted, the threaded rod with the adjusted angle and the bottom drill bit can be positioned in cooperation with the positioning unit, and the problem that due to the fact that only vertical drilling can be conducted, obtained geological data cannot comprehensively and accurately reflect the actual geological structure is solved.

The application discloses a non-rectangular tunnel structure and a parameter design method thereof, and relates to the technical field of tunnel section construction. On one hand, the method comprises the following steps: according to the track transverse elastic deformation, the track vehicle transverse displacement and the curve radius at the track turning position, the widening distances of the inside and the outside of the tunnel structure passing space at the turning position are determined; according to the running speed of the track vehicle, the curve radius at the track turning position and the distance between the two track head center lines, the inclination angle of the outer side surface of the tunnel structure at the turning position is determined; according to the widening distances of the inside and the outside of the tunnel structure passing space at the turning position and the inclination angle of the outer side surface of the tunnel structure at the turning position, the size parameters of the tunnel structure at the turning position are determined. On the other hand, the non-rectangular tunnel structure obtained by using the method is provided. Through the above parameter design method, the utilization rate of the complex underground complex space can be improved by avoiding other structures outside the outer side surface of the tunnel structure.

To provide a measurement method capable of measuring a tilt angle of an ion beam.SOLUTION: A method for measuring a tilt angle of an ion beam in a sample processing device that processes a sample by irradiating a sample with an ion beam includes the steps of mounting a tilt angle measuring device provided with a slit on a sample stage of the sample processing device, irradiating the tilt angle measuring device with the ion beam while changing the tilt angle of the ion beam, measuring the amount of current of the ion beam having passed through the slit, and detecting the peak of the current amount of the ion beam having passed through the slit.SELECTED DRAWING: Figure 11

This invention relates to a weighing system and a method for adjusting its nonlinearity. The method for adjusting the nonlinearity of the weighing system includes: the weighing system satisfying a nonlinearity condition where, when the beam sensor is unloaded, the tilt angle formed by the beam sensor and a horizontal or vertical plane is α; obtaining the relationship between the nonlinearity of the weighing system and the tilt angle α based on the nonlinearity condition; and selecting the tilt angle α so that the nonlinearity of the weighing system meets the weighing accuracy requirements. The weighing system and nonlinearity adjustment method proposed in this invention can effectively improve the nonlinearity of the weighing system.

1. The name of the design product: underwater camera combination base. 2. The use of the design product: a combination base of an underwater camera with an inclination angle. 3. The design points of the design product: in the perspective view. 4. The picture or photo that best indicates the design points: front view.

The invention discloses a camera inclination angle calibration method based on high-precision thermocompression bonding equipment, and the method comprises the following steps: 1, enabling the installation angle of a camera to be parallel to a reference plane through adjusting the installation angle of the camera; 2, adjusting the inclination angle of the camera mounting angle relative to the reference plane within a set range along the X direction, wherein one unit inclination angle is adjusted each time; the average value is calculated, the leveling value serves as the proportion value Xp of the current inclination angle to the inclination angle in the X-axis direction, and therefore a curve of each inclination angle pair in the X-axis direction and the corresponding proportion value Xp in the set range is obtained; adopting the same method to obtain a curve of each inclination angle pair and the corresponding proportion value Yp in the set range along the Y direction; and 3, carrying out linear fitting on the curve of the proportion value Xp and the curve of the proportion value Yp to obtain a linear relationship between the inclination angle of the camera and the proportion value Xp and the proportion value Yp so as to realize calibration of the inclination angle of the camera.

The invention relates to the technical field of precision measurement and angle verification, and discloses an angle verification platform, which comprises a main body and two end plates, and is characterized in that the upper surface of the main body is a plane for placing an instrument to be verified; the two end plates are oppositely arranged on the two transverse sides of the main body in parallel and are detachably connected with the main body; each end plate is provided with scales used for marking the position of the end of the main body. When the two transverse ends of the main body are at the same height, the upper surface of the main body is in a horizontal state, namely the inclination angle is zero; when the two transverse ends of the main body are at different heights, the upper surface of the main body is in an inclined state; at the moment, the difference H of the identification values of the two ends of the main body on the scales of the end plates is read, and under the condition that the length L of the main body and the thickness D of the end plates are known, the inclination angle theta of the upper surface of the main body can be calculated through a trigonometric function such as tan theta = H / (L + D). The angle measuring device is simple in structure, convenient to operate and capable of generating stable and accurate known angle values.

According to this polishing method, a first image of a first region and a second image of a second region in a surface of a workpiece (W) are generated by an imaging device (24) at a predetermined time interval during polishing of the workpiece (W); the film thickness at a measurement point (MP) on the surface of the workpiece (W) is measured during polishing of the workpiece (W); a rotation angle of the workpiece (W) per unit time is calculated on the basis of an inclination angle of a pattern on the first image, an inclination angle of a pattern on the second image, and the predetermined time interval; a time difference between a measurement time at which the film thickness at the measurement point (MP) was measured and an imaging time at which the second image was generated is calculated; and the coordinates of the measurement point on the surface of the workpiece (W) are determined on the basis of relative positions of the measurement point (MP) and a center point of the workpiece (W), the rotation angle of the workpiece (W) per unit time, and the time difference.

A cutting insert (1) comprising: a first area (3), a second surface (5) which is arranged on one of the sides opposite the first surface (3), a third surface (7) which is arranged between the first and second surfaces (3, 5), a cutting edge (9) which is located at an intersection of the first surface (3) and the third surface (5), a central axis (O1) passing through a center point of the first surface (3) and a center point of the second surface (5), and an imaginary plane (S) that is arranged between the first and second surfaces (3, 5) and runs orthogonally to the central axis (O1), wherein the first area (3) a corner (11), a first side (13) extending from the corner (11), a first inclined surface (17) arranged along the corner (11) and with a first angle of inclination (θ1) closer to the imaginary plane (S) as it moves away from the corner (11), a second inclined surface (19) which is arranged further inwards in the first surface (3) than the first inclined surface (17) and is closer to the imaginary plane (S) with a second angle of inclination (θ2) as it moves away from the corner (11), a third inclined surface (21) arranged along the first side (13) and closer to the imaginary plane (S) at a third angle of inclination (θ3) as it moves away from the first side (13), a fourth inclined surface (23) which is arranged further inwards in the first surface (3) than the third inclined surface (21) and is closer to the imaginary plane (S) with a fourth angle of inclination (θ4) as it moves away from the first side (13), a web surface (29) which is arranged between the corner (11) and the first inclined surface (17) and between the first side (13) and the third inclined surface (21), and a projecting part (25) which is arranged further inwards in the first surface (3) than the second inclined surface (19) and the fourth inclined surface (23), which is further away from the imaginary plane (S) with a fifth angle of inclination (θ5) as the distance from the corner (11) increases, and which is further away from the imaginary plane (S) with a sixth angle of inclination (θ6) as the distance from the first side (13) increases, where the second angle of inclination (θ2) is greater than the first angle of inclination (θ1), where the fourth angle of inclination (θ4) is greater than the third angle of inclination (θ3), wherein in a cross-section that is orthogonal to the imaginary plane (S) and along an angle bisector (L) of the corner (11), the fifth angle of inclination (θ5) is smaller than the second angle of inclination (θ2), and where in a cross-section orthogonal to the first side (13) the sixth angle of inclination (θ6) is greater than the third angle of inclination (θ3).

A method for controlling a set of gyroscopic actuators of a satellite, distributed into two coplanar subsets, is described, the method comprising: Receiving a setpoint angular momentum, Determining an angular momentum to be provided by each coplanar subset (, ), from a distribution parameter, between the two subsets, of a component of the setpoint angular momentum along an axis () common to the two planes, r being a scalar comprising the lowest admissible value and the highest admissible value of the contribution of one of the coplanar subsets to the component of the setpoint angular momentum along the axis common to the two planes, determining a tilt angle value of each gyroscopic actuator of a subset, from the angular momentum to be provided by said subset, and Issuing a command to each gyroscopic actuator comprising the respective tilt angle value determined.Figure from the summary: Figure 2.

The application discloses a correction method for visual error of spring support hanger scale indication, which comprises the following steps: observing the pointer reading of the spring support hanger as T2 and the inclination angle as a at point A; observing the pointer reading of the spring support hanger as T1 and the inclination angle as b at point B; the corrected pointer reading of the spring support hanger is T1-T2=tan(b-a) / tan(a-b); wherein, θ is the included angle between the line connecting point A and point B and the horizontal plane. Compared with the close observation by using a UAV or a camera telescopic rod, the correction method for visual error of spring support hanger scale indication can not only avoid the risk of accidental collision, but also has high inspection efficiency and simple operation, and can solve the indication error in visual inspection of the spring support hanger, correctly read the spring load, and guarantee the evaluation results of the pipe system load distribution and stress distribution.

The invention relates to the technical field of monitoring data processing, in particular to an underground deformation multi-point monitoring data processing system which comprises a data analysis module for collecting signals and analyzing inclination angles, a correlation verification module for calculating angle difference values and generating cleaning numerical values based on historical data weighted average when the angle difference values exceed a threshold value, and a data processing module for processing the cleaning numerical values. The displacement reconstruction module calculates the mean value and the horizontal offset of a sliding window to generate accumulated displacement. The trend early warning module calculates the deformation rate and the acceleration and generates red early warning when the deformation rate and the acceleration exceed the limit and are increased in the forward direction. According to the method, automatic continuous acquisition is achieved by collecting an original signal analysis angle, abnormal data is checked and weighted through a threshold value, noise is effectively eliminated, the data purity is guaranteed, sliding window arithmetic averaging is constructed, a sine function is combined with cumulative summation logic, and a horizontal displacement field is reconstructed. And the rate and the acceleration are calculated based on the accumulated displacement and early warning is performed in time when abnormity occurs, so that the monitoring real-time performance and accuracy are remarkably improved.

The invention relates to a product size detection method and system, terminal equipment and a storage medium, and the product size detection method is realized through a detection table, a main camera and an auxiliary camera. The detection table is used for placing a detected product; the light of the main camera is perpendicular to the detection table top and is used for collecting a top view image of a detected product; the light of the auxiliary camera forms a certain inclination angle with the detection table surface, and is used for collecting the shadow and three-dimensional contour image of the detected product; the product size detection method comprises the following steps: obtaining a top view image collected by a main camera and a shadow and three-dimensional contour image collected by an auxiliary camera; determining the plane size of a top view angle of the detected product based on the top view image, and determining the height and the plane size of an inclined view angle of the detected product based on the shadow and the three-dimensional contour image; and performing weighted fusion on the plan view plane size and the inclined view plane size by using a predetermined scale factor to obtain the final plane size of the detected product.

This invention discloses a three-dimensional embedded discrete crack network geometric processing method applicable to cracks with arbitrary tilt angles, including: reading crack data for each crack; calculating the coordinates of the four vertices of the crack; calculating crack segments with tilt angles not equal to 90° and equal to 90° respectively; this invention solves the problem of difficult geometric processing of cracks with arbitrary tilt angles in three-dimensional EDFM models.

The invention relates to a reamer bit and a raise boring machine. The reamer bit comprises a cutter head, a cutter holder, a hob and an adjusting mechanism, the cutter holder is movably arranged on the cutter head, and the hob is movably arranged on the cutter. The adjusting mechanism is arranged on the cutter head and connected with the tool apron, and the adjusting mechanism can drive the tool apron to rotate relative to the cutter head so as to adjust the inclination angle of the hob relative to the cutter head. By arranging the adjusting mechanism, the adjusting mechanism can drive the cutter holder to rotate relative to the cutter head, and therefore the inclination angle of the hobbing cutter relative to the cutter head is adjusted. For example, in a hard rock area, the inclination angle of the hob relative to the cutterhead is increased, so that the extrusion force and shear force of the hob to rock are enhanced; for example, in a soft rock area, the inclination angle of the hob relative to the cutterhead is reduced, so that the cutting efficiency is improved. Thus, under the action of the adjusting mechanism, the adaptability of the reamer bit to complex stratums can be enhanced, the rock breaking efficiency is improved, meanwhile, tool abrasion is reduced, and the stability and adaptability in the drilling process are enhanced.

Provided are a direction-dependent element, a substrate having a mounting surface with a plurality of grooves arranged in parallel in a region set to be biased to one side in a certain direction in an arrangement range of the direction-dependent element, and an adhesive that contains spacer particles to define an interval between objects to be bonded and bonds the direction-dependent element to the substrate. The spacer particles enter the plurality of grooves in the region, and an inclination angle is provided between the direction-dependent element and the mounting surface.

The invention relates to the technical field of wind power generation testing, in particular to an installation method of a heavy-weight inclined flange for a wind power blade test bed, which comprises the following steps of: accurately adjusting a pitch angle through a length difference between an upper sling and a lower sling and an inclined pull piece, and inclining a front flange to an inclination angle of an installation position, so that the stress is stable in a flange hoisting process; the inclined hoisting assembly achieves X-direction and Z-direction accurate movement through single driving of the crane, Y-direction fine adjustment is completed through cooperation of the inclined hoisting assembly and the adjusting piece, the problems that a traditional crane is low in control precision and poor in crane matching performance are solved, a fixed three-dimensional datum plane is established through the laser tracker, datum transfer is not needed, and the working efficiency is improved. The plurality of symmetrically distributed measurement target balls fit the plane and calculate the pitch angle and the torsion angle, manual space geometric conversion is not needed, and the measurement error and the remeasurement workload are reduced.

The invention discloses a piling perpendicularity and height detection method and related equipment. The method comprises the steps that two pieces of detection equipment are arranged on the two sides of a pile body to be detected correspondingly, and orientation angle calibration is conducted; a double-view-angle real-time image of the pile body in the piling process is obtained, and distortion correction is conducted in combination with the pitch angle and the distortion compensation model; the actual horizontal distance between the pile body and the detection equipment is determined according to the segmented focal length lookup table; a pile body is tracked through a target detection model and the fine-tuned image segmentation large model, and the penetration depth is calculated in combination with the change of the pitch angle; and calculating a space inclination angle and a horizontal projection azimuth angle of the pile body according to the magnetic azimuth angles and the pitch angles of the double devices, thereby determining the perpendicularity of the pile body and performing visual display. According to the embodiment of the invention, high-precision detection of the perpendicularity and the penetration depth of the pile body can be realized by combining the edge calculation unit and the image segmentation large model, and the precision and the real-time performance of piling construction monitoring are improved. The method can be widely applied to the technical field of piling detection.

The present application aims to provide a kind of inclination angle measuring device, compact structure, install quickly, positioning precision, through the cooperation of positioning pin and positioning hole on reference platform, realize quick plug positioning, four displacement sensors are symmetrically arranged, the height difference of different positions is measured simultaneously, so as to calculate the inclination angle of measured object.The present application includes reference platform, the upper end of the reference platform is provided with inclination angle measuring module, measured object is positioned and contacted with the upper end of the inclination angle measuring module;The inclination angle measuring module includes four groups of symmetrically distributed displacement sensors, four groups of the displacement sensors are distributed at the same height, the displacement sensor measures the vertical distance of the measured object relative to the reference platform, the inclination angle of the lower end plane of the measured object relative to the upper end plane of the reference platform is calculated by the height value of four points.The present application is applied to the technical field of precision measurement.

A light source directs an incident beam at an oblique angle at a surface of a workpiece on a stage. The detector images a diffraction pattern of the incident beam reflected from the workpiece. At least one of a twist angle and an inclination angle of the workpiece on the stage is determined based on the diffraction pattern. The workpiece may be a semiconductor wafer, and the stage may be, for example, part of an ion implanter.

The invention relates to the technical field of machining measurement, in particular to an automatic measurement method and system for the machining aperture of an engine box part. The method comprises the following steps: acquiring an original aperture image; positioning an initial edge point set by using a local gradient sliding window, determining a visual axis inclination angle and a long axis deflection azimuth angle based on a fitting mode, and realizing independent separation of the two; constructing a rotation relation by using a long axis deflection azimuth angle to obtain a main axis alignment point set; carrying out projection transformation by utilizing the inclination angle of the visual axis to obtain an orthogonal projection point set; the local object distance drift distance of each edge pixel point is determined based on the visual axis inclination angle, then the non-uniform magnification correction gain is determined, numerical compensation reduction is carried out on the orthogonal projection point set, and the final machining aperture size is obtained; and outputting a compensation signal to drive a machine tool compensation executing mechanism to adjust the cutter offset value. According to the invention, the problem of non-uniform magnification distortion caused by probe rod sagging is solved, and truth value restoration of a spatial light field is realized.