183 results about "Slant angle" patented technology

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.

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.

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.

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 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

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 invention discloses a high slope support anti-seismic experiment device and method, and belongs to the field of high slope support anti-seismic experiments.The high slope support anti-seismic experiment device comprises an experiment groove with symmetrical openings formed in the front side and the rear side and an open top, and a simulation frame used for containing a high slope soil body model is arranged in the experiment groove; the simulation frame comprises two observation plates which are symmetrically arranged, low surfaces which are sequentially connected are arranged between the two observation plates, the low surfaces and the back slope surface are connected with the experiment groove through an inclination angle adjusting structure, and the bottom surface is connected with the experiment groove through a bottom inclination adjusting structure; the joint of the low surface and the bottom surface and the joint of the back slope surface and the bottom surface are respectively provided with a first sealing structure, and the joint of the low surface and the observation surface and the joint of the back slope surface and the observation surface are respectively provided with a second sealing structure. By arranging the bottom face, the low face and the back slope face with the inclination angle adjusting function, the high slope in the diversified gradient range is simulated, and the application range is wider.

The purpose of the present disclosure is to achieve a better area quality by optimizing the tilt angles of the antennas in base stations constituting a cellular network.　For this purpose, the present disclosure is a tilt angle optimizing device that optimizes the tilt angle of each of a plurality of antennas constituting a cellular network and that comprises: a performance model configuring unit that configures a performance model by modeling the relationship between the number of active users at each antenna and the performance that each antenna can provide; a user distribution estimating unit that estimates the user distribution of the active users in the periphery of each base station on the basis of respective pieces of statistical data observed at each base station; and a tilt angle optimizing unit that, on the basis of the configured performance model and the estimated user distribution, determines a tilt angle of each antenna for maximizing the area quality in a designated target area.

The utility model belongs to the technical field of measurement, and discloses an auxiliary device for measuring equipment. When an obstacle exists near a to-be-measured point and elevation data of the to-be-measured point cannot be acquired, one end of the auxiliary bracket can be lapped to the to-be-observed point, so that the observation reference point is in contact with the to-be-observed point, and then the other end of the auxiliary bracket is connected with the adjusting piece; the inclination angle of the auxiliary support relative to the horizontal plane is adjusted by adjusting the height of the adjusting piece. After it is confirmed that the auxiliary support is parallel to the horizontal plane through the horizontal measuring instrument, the measuring equipment is placed on the installation datum point, the measuring datum plane of the measuring equipment makes contact with the installation datum point, the elevation data, obtained by the measuring equipment, of the installation datum point is the elevation data of the to-be-observed point, and the acquisition process of the elevation data is simplified. According to the utility model, the elevation data of the to-be-observed point can be obtained under the condition that the obstacle exists near the to-be-observed point and the measuring equipment cannot be erected, so that the data integrity of the building settlement observation operation is improved.

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 utility model relates to the technical field of geological exploration, in particular to geological drilling strength and efficiency simulation equipment. The geological drilling strength and efficiency simulation equipment provided by the utility model can be used for fixing different rock stratum sample plates and adjusting the angles of the different rock stratum sample plates, is convenient for simulating the stacking states of different rock stratums and performing drilling experiments at different inclination angles, and improves the experiment accuracy. The geological drilling strength and efficiency simulation equipment comprises a base, a supporting frame and the like, and the upper side of the rear portion of the base is connected with the supporting frame. Different rock stratum sample plates are stacked between the clamps, after stacking is completed, the tightening bolts are rotated for fixing, then the third motor is started to drive the clamps to rotate, the rock stratum sample plates are made to rotate and incline, and fixing and angle adjusting can be conducted on the different rock stratum sample plates; the drilling experiment can be conveniently carried out under the conditions of different rock stratum stacking states and different inclination angles, and the experiment accuracy is improved.

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.

1. The name of this design product: Inclinometer. 2. Purpose of this product: This product is used to measure the tilt angle of an object during its movement. 3. The key point of the design of this product lies in its shape. 4. The picture or photo that best illustrates the design points: Stereoscopic drawing 1.

There are provided systems and methods comprising obtaining a set of images of a target, wherein the set of images has been acquired by an examination system operative to transmit a beam towards the target, wherein a first image of the set of images has been acquired capturing the target at a first height position, and a second image of the set of images has been acquired capturing the target at a second height position, different from the first height position, determining data DΔZ informative of a displacement of the target in the set of images, and using the data DΔZ and data informative of the first and second height positions to determine a stray tilt angle of a beam of the examination system.