342 results about "Slant angle" patented technology

The invention discloses an intelligent monitoring system for deformation and stress of a deep foundation pit supporting structure, relates to the technical field of deep foundation pit supporting monitoring, and is used for solving the problem of poor early warning of the deformation risk of the supporting structure. According to the method, high-density acquisition of inclination angle, deformation and stress data of a key area of a deep foundation pit supporting structure is realized by constructing a sensitivity-driven measuring point layout mechanism; the method comprises the following steps: constructing an inversion model based on stress and strain rates, obtaining a structural equivalent modulus, extracting a change rate of the structural equivalent modulus, judging a rigidity evolution trend, further constructing a modulus change rate space field, setting a region threshold by combining a disturbance sensitivity factor, realizing abnormal region identification and spatial positioning, and extracting structural response behavior information on the basis. And driving a system to trigger a grading response strategy according to an analysis result of the structure response behavior information, thereby realizing intelligent early warning of local deformation and stress instability of the deep foundation pit supporting structure.

To provide a construction and management method of a columnar body capable of controlling a horizontal position, an inclination angle, and a height of a columnar body such as a pile with high accuracy, with a simple structure, and to provide a construction and management system of the columnar body.SOLUTION: A construction and management method of a columnar body includes: an imaging step of acquiring a photographed image of the columnar body so that two or more gauge marks capable of acquiring the coordinates are included in the photographed image, by a camera capable of acquiring the coordinates of an imaging position; a 3D data creation step of creating 3D data including the coordinates of the imaging position and the coordinates of the gauge marks, and a 3D model of the columnar body arranged at a predetermined horizontal position, an inclination angle, and a height; an image synthesizing step of generating a composite image by synthesizing the 3D model with the photographed image based on the positions of the gauge marks in the photographed image and the coordinates of the imaging positions and the coordinates of the gauge marks in the 3D data; and an adjustment step of adjusting the horizontal position, inclined angle, and height of the columnar body so that a difference between the position of the columnar body in the composite image and the position of the 3D model becomes equal to or less than a predetermined allowable error.SELECTED DRAWING: Figure 1

The invention discloses a historic building cylindrical structure inclination measurement method considering irregular surfaces and measurement errors, and the method comprises the steps: measuring the three-dimensional coordinates of measurement points at different section heights of a historic building wood structure cylinder with a cutting or irregular surface; determining an optimal solution after a certain error is removed from the coordinates of the circle center of the section by adopting a self-adaptive random sampling consistency algorithm, then obtaining the central axis of the cylinder according to principal component analysis, and calculating the included angle of the earth normal vector of the central axis of the cylinder, namely the inclination angle of the historic building wood structure cylinder. By using the algorithm, the influence of cutting or irregular surfaces and measurement errors on historic building wood structure cylinder inclination measurement can be eliminated, and the reliability and the accuracy of a measurement result are effectively improved.

The invention discloses an all-dimensional deviation preventing device for mine geological drilling, and relates to the technical field of mine geological drilling, the all-dimensional deviation preventing device comprises a drilling frame, a plurality of fixing frames are fixedly connected to the peripheral edge of the drilling frame, and a plurality of mounting plates are fixedly connected to the positions, close to the fixing frames, of the peripheral edge of the drilling frame; the top of the fixing frame is fixedly connected with a fixing shell and an auxiliary shell, and rails are arranged on the inner walls of the bottoms of the fixing shell and the auxiliary shell. According to the all-dimensional anti-deviation device for mine geological drilling, after the angle box rotates, parallel infrared rays generated by the multiple infrared emitters on one side of the angle box vertically irradiate the surface of the detection plate, and after photosensitive sensors at different positions detect signals, the angle box is turned on; the deflection angle of the angle box is detected by comparing signal positions, so that the inclination angle change of the drilling pipe in a three-dimensional space is detected at any time, and the effect of detecting whether the angle of the drilling pipe deviates or not at any time in the mine drilling process is achieved.

The invention discloses an outdoor field large depression angle measurement method and system, and the method comprises the steps: S1, determining the position of a measured target, erecting a calibration ball and a positioning ball, determining the flight height of an unmanned plane, and setting a scanning path; s2, establishing a coordinate relationship among the calibration ball, the positioning ball and the unmanned aerial vehicle; s3, testing the calibration ball and the positioning ball in different directions, and acquiring frequency sweeping echo frequency domain data in different directions; s4, removing the calibration ball, and erecting a measured target at the position of the calibration ball; s5, testing the positioning ball and the tested target in different orientations, and acquiring frequency-sweeping echo frequency domain data in different orientations; and S6, performing phase compensation on the measurement data through theoretical values of different distances from the positioning ball to the radar on the measurement path, and obtaining two-dimensional imaging data and an RCS result of the measured target. The method is suitable for outdoor field measurement, target scattering characteristic diagnosis under complex environments such as large depression angle ground and sea can be realized, flexible deployment requirements can be realized, and the test cost is reduced.

A radiation detecting apparatus detects radiation transmitted through a subject. The radiation detecting apparatus includes a hardware processor. The hardware processor detects rotation angles of the radiation detecting apparatus with respect to two mutually perpendicular axes to output angle information, and also detects an orientation of the radiation detecting apparatus. The hardware processor outputs the angle information for the detected orientation.

The present invention mainly relates to the field of geological prospecting technology, specifically a marking device for geological exploration of geological resources, including a bracket and a lifting mechanism, a hammering mechanism, and a measuring mechanism arranged on the bracket. The lifting mechanism drives the hammering mechanism and the measuring mechanism to move up and down synchronously. A marking mechanism is detachably installed below the hammering mechanism. The hammering mechanism and the measuring mechanism start working after reaching a preset position, wherein the hammering mechanism is used to hammer the marking mechanism, and the measuring mechanism is used to measure the ground inclination angle. The marking device in this application is provided with the hammering mechanism, the measuring mechanism, and the marking mechanism, which can realize that during geological exploration, the marking point can be marked and its inclination angle can be measured in one device, and it can also adapt to soils of different conditions.

The invention discloses a crystal bar detection method and device, and the method comprises the steps: obtaining the surface data of a crystal bar, and finding a crystal line; primary cutting is conducted on the crystal bar, a first detection value and a second detection value on one surface are obtained, if the first detection value is equal to the second detection value, secondary cutting is conducted on the crystal bar, and a third detection value and a fourth detection value of each surface are obtained; calculating to obtain a first extreme value between every two counterpoint surfaces; the fourth detection values of every two alignment surfaces are compared, and a second extreme value between every two alignment surfaces is obtained through calculation; acquiring a first verification value and a second verification value of one surface, acquiring a third verification value and a fourth verification value on the adjacent surface when the first verification value is equal to the second detection value, and calculating an inclination angle of the adjacent surface; and if the inclination angle is 0, the perpendicularity of the two detected adjacent surfaces is qualified. According to the invention, the verticality of the crystal bar and the detection precision of the molded surface can be improved.

The invention discloses an efficient edge chamfering device and method for edges of a square stone plate, and belongs to the technical field of stone machining. The device comprises a machine table, a stone plate fixing assembly and a chamfering assembly. The fixing assembly triggers an air cylinder to conduct synchronous clamping through a contact sensor to achieve rapid positioning. The angle adjusting mechanism is linked with a rotating hand wheel through a worm gear reducer, and the inclination angle is accurately controlled to be 0.1 degree; the chamfering assembly is integrated with a binocular 3D vision camera to generate a three-dimensional model, and the self-adaptive grinding unit is driven to dynamically adjust the path and the feeding amount in combination with feedback of a pressure sensor. The controller realizes full-closed-loop control, and ensures that the edge error is small and the surface is smooth. And compared with a traditional process, the clamping time is shortened by 60%, the energy consumption is reduced by 30%, compatible machining of stone plates of multiple specifications is supported, the yield is high, and the method is suitable for high-precision machining of the stone.

The invention relates to a camera module assembly method and camera module assembly equipment. The camera module assembly method is applied to the camera module assembly equipment, and comprises the following steps: actively aligning a lens and a normally open image chip to obtain a first position relationship between the lens and the normally open image chip; determining a third position relation between the lens and the motor based on the first position relation and the second position relation; adjusting the vertical position and the inclination angle of the lens based on the third position relation so as to assemble the lens into the motor; the position relation is transmitted by taking the normally open image chip as a reference, so that the position and the angle of the lens assembled into the motor are determined through a transmission chain of the position relation, the pose of the lens is determined before insertion, an adjustment margin does not need to be reserved in the motor, and miniaturization of the motor is facilitated.

The invention relates to an endoscope view angle adjusting method and device, equipment and a storage medium. The method comprises the steps that a first image shot by a camera is acquired, and a target angle is acquired; identifying a pattern feature of a preset marker in the first image and a shielding position of the preset marker in the first image; generating an angle recognition pattern according to at least part of pattern features of the preset marker; calculating an inclination angle of the angle identification pattern; calculating the current angle of the preset marker in the visual field of the endoscope according to the inclination angle and the shielding position; judging whether the current angle is consistent with the target angle; and if not, rotating the first image until the current angle of the preset marker in the first image is rotated to the target angle, forming a second image, and displaying the second image on the display screen. The visual field angle, displayed on the display screen, of the endoscope conforms to the operation inertia of a doctor, the doctor has better experience feeling and convenience in the endoscope using process, and the accuracy and safety of an operation are remarkably improved.

A test method and apparatus for the evolution of a neighborhood stress field during fault instability. The test method comprises: step S1: manufacturing a substrate (101); S2, selecting a pre-configured surface (101a) of the substrate to fix a strain sensing member (102); step S3, fixing the substrate (101) to the position of a fault in an experimental model (103), and determining a coordinate position of the substrate (101) on the basis of an inclination angle of the fault; step S4, connecting the strain sensing member (102) to a strain gauge; step S5, applying in-situ triaxial stress to the experimental model (103), and applying disturbance to the experimental model (103) when the experimental model reaches equilibrium; and step S6, calculating a stress value on the basis of a strain component measured by the strain gauge, and capturing the dynamic evolution of a neighborhood stress field during fault plane instability caused by the disturbance.

The guiding system for the vertical shaft heading machine comprises a total station, a first prism, a monocular camera, a plurality of second prisms, a binocular camera, feature points, an upper computer and a power supply box, the second prisms can be lightened or lightened, the field of view of the binocular camera faces downwards, the feature points can be lightened or lightened, and the upper computer is connected with the power supply box. The upper computer is in data connection with the total station, the monocular camera and the binocular camera, station setting and orientation can be conducted on the total station through known geodetic coordinates of the total station and the first prisms, geodetic coordinates of the second prisms are measured through the total station and transmitted to the upper computer, the geodetic coordinates, the initial inclination angle and the azimuth angle of the hanging scaffold are integrated, and the position of the hanging scaffold is determined. The fixed position relation of the monocular camera, the hanging scaffold and the binocular camera is calculated, then the coordinates of the binocular camera can be calculated according to the geodetic coordinates and the camera coordinates actually measured by the feature points, the precision is high, the structure is simple, and the cost is low; the vertical shaft tunneling guide measurement method provided by the invention is simple in steps, convenient to operate and high in accuracy.

Mounting device for receiving at least one mirror with at least one marking on a mirror surface for checking at least one pupil axis in an arc with sight and vertical plane of the chord movement, characterized in that at least one mirror can be firmly connected or screwed to the central part of the arc by means of the mounting, wherein at least one inclination angle of the mirror with respect to at least one axis in an angular range ≥ 0° can be selected in the orientation of a mirror relative to the central part.

Systems, methods, and devices are provided for determining a status of a container. Some example systems include a container configured to rotate such that material(s) that may be disposed within the container are able to exit the container due to gravitational force. The systems also include a device connected to the container, which includes an accelerometer configured to sense movement corresponding to the container discharging the material(s). Such systems may also include a processor and a memory, and the processor may be configured to receive accelerometer data from the accelerometer, determine a tilt angle of the container based on the accelerometer data, determine whether the tilt angle satisfies a predetermined threshold, and cause a user to be notified when the tilt angle satisfies the predetermined threshold. The predetermined threshold may be a value representative of an assumption that a certain amount of the material(s) has been removed from the container.

The invention provides a loess slope deformation monitoring and early warning method based on MEMS inertial sensor data and GNSS data, and relates to the technical field of geological deformation monitoring. Related parameters of a target loess slope area are collected, a loess slope geometric model is established, and the maximum arc surface section is screened; and performing stress analysis on the arc and the bottom edge of the arc surface section, determining the positions of first and second key measuring points, collecting angle change data and deformation displacement at the first and second key measuring points, finally setting threshold values of a deformation inclination angle and displacement variation, and if the monitoring data exceed a preset threshold value, giving an early warning by the system in time. Accurate monitoring and risk early warning of loess slope deformation are realized. According to the method, through combination of finite element mechanical model analysis and real-time monitoring of the MEMS inertial sensor and GNSS data, accurate identification and timely early warning of loess slope deformation are realized.

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.

The invention discloses an optical adjustment and detection method for VR / AR glasses. The method comprises the following steps: 1) adjustment; (11) focusing; 12) adjusting the posture; 2) detecting; 21) performing distortion detection; 22) carrying out MTF detection; 23) detecting the uniformity of dirt and brightness; and 24) artifact detection. And 3) recording and judging a result. According to the method, the visual guidance technology and the optical performance real-time feedback are combined, the camera is used for capturing the image for analysis, the position and the inclination angle of the VR / AR lens group can be accurately measured, and accurate positioning of the optical element in the assembling process is ensured.

The invention relates to the technical field of composite foundation construction, and discloses a micro pile for composite foundation treatment, which comprises an angle adjusting mechanism, a height adjusting mechanism and an observation mechanism, and is characterized in that a micro pile pipe can be mounted according to a mounting angle required by the micro pile pipe through the arranged angle adjusting mechanism; the angle in the installation process is detected, the distance between the two sliding sleeves can be controlled to be the length multiple of the miniature pile pipe through the arranged height adjusting mechanism, and at the moment, the inclination state of the miniature pile pipe can completely appear between the two sliding sleeves; meanwhile, the situation that the stress cannot be eliminated when the miniature pile pipe inclines at any angle can be avoided through the arranged height adjusting mechanism, the arranged height adjusting mechanism is linked with the observation mechanism, and at the moment, the inclination state, the inclination angle and the inclination position of the connecting rope and the miniature pile pipe in the composite foundation are the same; and later maintenance is facilitated.

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 present invention relates to a tool for measuring the roundness of a rotationally symmetrical non-complete spherical surface and a method for using the tool. In view of the spherical forming characteristics of rotationally symmetrical non-complete spherical parts, the tool is used to measure the roundness error of a circular cross section that passes through the center of the sphere and intersects the equator at the largest possible deflection angle, thereby achieving accurate detection and identification of the spherical accuracy of such parts. The tool belongs to the field of bearing detection technology, wherein the tool comprises a workbench base, an angle adjustment mechanism, an angle locking mechanism, and a sliding workbench. The tool includes a roundness meter workbench, a differential cylinder, a core shaft, a measuring rod, and other components. Through the coordination of the coarse adjustment knob in the angle adjustment mechanism and the differential cylinder, rapid and precise adjustment of the workpiece's tilt angle and the position of the sphere center can be achieved, and the roundness detection cross section that envelops the spherical error as much as possible can be determined, ensuring that the roundness meter's central axis can accurately pass through the workpiece's sphere center. The tool provided by the present invention has a compact structure, flexible adjustment, and high measurement accuracy, overcoming the limitation that traditional roundness meters can only perform horizontal measurements.

The invention discloses an edge covering process method, and relates to the technical field of edge covering processes, the edge covering process method is applied to edge covering connection of an outer plate and a plurality of inner plates, and the edge covering process method comprises the following steps: obtaining an angle design range calculated according to an avoidance gap design value and the overlap amount of the inner and outer plates; adjusting the spliced side end of the inner plate to a corresponding inclination angle according to an angle design range; and after the outer plate is folded and wraps the end part of the inner plate, the outer plate is pressed through a roller. According to the technical scheme, the side ends of the multiple inner plates are obliquely arranged, under the condition that the design gaps between the inner plates are not changed, the situation of roller air pressure is reduced, specifically, the angle design range is calculated according to the receding gap design value and the lap joint amount of the inner plates and the outer plates, and the spliced side ends of the inner plates are designed according to the obtained angle design range; and it is guaranteed that inner plate supports exist in the vertical advancing direction of the rolling wheels, and therefore the problem that stamping recesses appear on the appearance face after edge covering and pressing are solved.

The present invention discloses a contour tilt correction method for measuring the inner groove of a spectacle frame, which relates to the field of measurement technology and includes the following steps: S1, establishing a line structured light measurement system based on laser triangulation; S2, extracting the contour edge and characteristic edge of the groove; S3, performing least squares fitting on the contour data points of two straight edge parts in sequence by setting an error threshold. S4, determining the rotation point for the contour tilt correction of the frame groove; S5, performing correction. The contour tilt correction method for measuring the inner groove of a spectacle frame is based on the least squares tilt correction principle, and after extracting the characteristic points of the edge contour, the least squares method is used to fit the characteristic points into a straight line, thereby obtaining the image tilt angle and performing tilt correction on the image. It can be used for the tilt correction of the distorted contour obtained by measuring the inner groove of the spectacle frame, and effectively completes the tilt correction of the inner groove of the frame.

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 discloses a product size measurement method, device, equipment and medium, which relates to the field of three-dimensional measurement technology. The method includes: photographing the product to be measured by a preset top camera and a preset bottom camera to obtain the upper surface and the lower surface of the product to be measured, and determining the inclination angle of the upper surface and the inclination angle of the lower surface of the product to be measured based on the upper surface and the lower surface of the product to be measured; determining the inclination angle of the product to be measured based on the inclination angle of the upper surface and the inclination angle of the lower surface of the product to be measured and the inclination angle of the upper surface and the lower surface of the calibration block of a preset calibration block; rotating and adjusting the upper surface and the lower surface of the product to be measured according to the inclination angle of the product to be measured to obtain the actual upper surface and the actual lower surface of the product to be measured; and determining the size of the product to be measured based on the actual upper surface and the actual lower surface of the product to be measured.

The invention relates to a method for monitoring a cutting operation on a workpiece (2), comprising: checking whether a workpiece part (17) has been completely separated from a remaining workpiece (19) during the cutting operation. For this purpose, the method comprises the following steps: illuminating a surface (21) of the workpiece (2) in the area of ​​the workpiece part (17) from an oblique angle above, capturing at least one image of the surface (21), determining depth information based on at least one shadow (23a) cast by the workpiece part (17) and / or the remaining workpiece (19) in the at least one captured image, and checking whether the workpiece part (17) has been completely separated from the remaining workpiece (19) based on the determined depth information. The invention also relates to an associated machining tool.

Some systems and methods are provided that include acquiring a set of images of a target, where the set of images is acquired by an inspection system capable of emitting a light beam toward the target, where a first image of the set of images is capturing the target at a first height position, and a second image of the set of images is capturing the target at a second height position. A first image of the image set is captured at a first height position, and a second image of the image set is captured at a second height position different from the first height position, then data D [Delta] Z is determined, the data containing displacement information of the target in the image set, and the offset tilt angle of the inspection system beam is determined using the data D [Delta] Z and data relating to the first and second height positions.

To provide a color adjustment jig for endoscope which matches with a plurality of types of outer diameter and a strabismus angle, and which is down-sized.SOLUTION: An insertion part 11 includes insertion holes 11a, 11b in which a tip end part of an endoscope 14 is inserted. The insertion holes 11a, 11b are positioned on a specific plane PL when viewed in X-direction, a direction of the insertion holes 11a, 11b is inclined with respect to an inner plane PN of a cover part 12 when viewed in a Y-direction. On the inner plane PN, the cover part 12 includes a mark 15 of the number less than the value multiplied by the number of types of outer diameter and the number of types of strabismus angle of the endoscope 14.SELECTED DRAWING: Figure 7