482 results about "Vertical distance" patented technology

The invention discloses an RF-CNN-based power transmission line tree obstacle recognition and positioning method and device and a medium, and belongs to the technical field of image processing, and the method comprises the steps: collecting data through a laser radar system and an RGB image collection device, carrying out the preprocessing of the collected data, carrying out the feature fusion through an RF-CNN model, and carrying out the recognition and positioning of a tree obstacle. And training a multi-task learning model to perform three-dimensional positioning of tree types and tree positions, performing classification through fused feature data in tree identification, identifying different types of trees, positioning the position of each tree in a three-dimensional space, calculating horizontal and vertical distances between the tree and the power transmission line, and evaluating whether the tree forms a tree obstacle risk or not. According to the method, the defects of the prior art in the aspects of tree identification, positioning precision, tree obstacle risk assessment and the like are effectively overcome, the efficiency, precision and reliability of tree obstacle monitoring are improved, and a powerful technical support is provided for intelligent inspection and safety management of a power transmission line.

The invention relates to the field of power transmission line risk hidden danger monitoring, and provides an unmanned aerial vehicle wire crossing intelligent detection method and system fused with real-time atmospheric compensation, and the method comprises the steps: measuring an atmospheric extinction coefficient in real time, and obtaining a flight path parameter perpendicular to the axial direction of a wire; synchronously collecting multi-source sensing data to generate an observation data set; generating a lead initial point cloud with a credibility label through feature extraction and Bayesian confidence weight; generating a lead complete three-dimensional track based on a catenary equation and a locust optimization algorithm; generating three-dimensional wire space structure data with sub-meter precision by taking the track point as a control point; and calculating an actual vertical distance based on the elevation difference value and generating a crossing identification report. The system comprises a data acquisition module, a multi-source data acquisition module, a point cloud generation module, a catenary parameter optimization module, a three-dimensional structure optimization module and a safety evaluation report module. According to the invention, through real-time atmospheric compensation and dynamic weight fusion, the detection precision and robustness are improved, and the method is suitable for power transmission line inspection in a complex environment.

The utility model relates to the technical field of edible mushroom planting frames, in particular to a multi-layer three-dimensional edible mushroom planting frame which comprises four vertical rods arranged vertically, a plurality of sliding grooves formed in the vertical rods in the height direction of the vertical rods are formed in the vertical rods, fixing frames are fixedly installed at the bottoms and the tops of the four vertical rods, and the fixing frames are arranged in the sliding grooves. A plurality of bracket assemblies are arranged on the vertical rod, each bracket assembly comprises a left sliding strip and a right sliding strip which are symmetrical to each other, the sliding strips are located in the sliding grooves and are in sliding connection with the sliding grooves, a front reinforcing supporting rod and a rear reinforcing supporting rod which are symmetrical to each other are fixedly installed between the two sliding strips, and a plurality of clamping grooves arranged at equal intervals are formed in the sliding strips; the side edge portions and the tops of the clamping grooves communicate with the outside, and carrying rods are clamped and matched in the two clamping grooves which are right opposite to each other in the left-right direction. The vertical distance can be conveniently adjusted, strain planting is facilitated, and using is more convenient and faster.

The method comprises the following steps that a paint nozzle and a distance measuring device are installed at the tail end of the mechanical arm, and an assembly at least comprises a set of distance measuring devices with adjustable distance measuring directions; determining a reference time source, and stamping reference timestamps for all ranging data; before paint spraying or during operation, a distance measuring device scans the surface of a front workpiece to obtain front distance measuring data, and the shape change trend of the surface of the workpiece is predicted in combination with a reference timestamp and the moving speed of a mechanical arm; the distance measuring device measures the vertical distance between the nozzle and the surface of the workpiece in real time to obtain center distance measuring data. And generating a control instruction based on the two types of data, dynamically adjusting the tail end position, speed and / or posture of the mechanical arm, and maintaining the preset vertical distance and / or angle between the nozzle and the surface of the workpiece. Dynamic distance measurement, interference resistance, foresight prediction and real-time regulation and control are integrated, and high-quality automatic paint spraying operation on non-specific workpieces through the mechanical arm can be achieved.

The invention discloses a near-ground distance measurement method based on virtual large baseline four-eye vision, a medium and equipment, and the method comprises the steps: synchronously obtaining four images when a lifting appliance enters a near-ground operation range; based on the calibration relation between the cameras, the high-altitude images are respectively projected and transformed to the visual angles of the corresponding lifting appliance cameras and fused, two virtual camera images are generated, and therefore a virtual large base line far exceeding the physical distance is constructed; performing three-dimensional correction and cutting on the virtual image pair to obtain a row-aligned three-dimensional image pair; performing feature matching and triangulation on the virtual image pair to generate a sparse reference depth map; and inputting the stereo image pair and the sparse depth map into a pre-trained depth estimation neural network model together, outputting a dense depth map, and converting the dense depth map into a coordinate system taking the lifting appliance as an original point to obtain a vertical distance. According to the invention, the ultra-large baseline is virtually synthesized by using the existing camera, the remote distance measurement precision is improved, the cost is low, and the reliability is high.

The invention discloses a high-precision measurement method for internal gaps and infinitesimal displacement of a closed area based on magnetic-force-sound coupling. The high-precision measurement method comprises the following steps that (1) a sensor module is installed at the tail end of an automatic scanning mechanical arm; (2) controlling the automatic scanning mechanical arm to move, so that the sensor module is close to the surface of the detected material, thereby detecting the magnetic acting force between the magnetic force detection probe (3) and the detected material, and calculating the vertical distance between the magnetic force detection probe (3) and the surface of the detected material; 3) synchronously measuring the film thickness T on the surface of the measured material by using an ultrasonic detection probe; and 4) based on the vertical distance between the magnetic detection probe (3) and the surface of the detected material and the thickness T of the film on the surface of the detected material, calculating the micro-gap between the film and the surface of the detected material. The detection signal is not influenced by factors such as environment temperature and material heat conductivity difference, and existence and specific size of the gap can be accurately detected.

The invention relates to the technical field of building models, in particular to a BIM-based building construction drawing design model construction method. The method comprises the following steps: extracting three-dimensional space coordinates and construction attributes of a component from a preset BIM building design model, wherein the construction attributes comprise layered material information of the component and the material thickness of each layer; projecting the three-dimensional space coordinates of the component to a two-dimensional view plane to generate a two-dimensional projection contour; calculating the vertical distance from the component to the view plane, and determining the display level of the component according to the size of the vertical distance; and identifying a construction node position on the two-dimensional projection contour, matching the construction node position with the construction attribute, and generating a detailed drawing index mark at the construction node position according to a matching result. According to the space distribution and the sideline direction of the blank area, the size marking lines are automatically generated, the reasonable spacing is kept, and the problems of shielding and overlapping are avoided.

The utility model provides an impeller press-fitting device of a double-press structure, which comprises an upper press head and a lower press head which are oppositely arranged, the upper press head is provided with a displacement sensor I and a displacement sensor II, the vertical distance between the mounting positions of the displacement sensor I and the displacement sensor II is a known constant h, and the known constant h is equal to the known constant h. The lower pressing head is used for supporting the lower end of the rotating shaft and applying upward pre-tightening force F, and the upper pressing head is used for driving the impeller to move downwards so that the impeller and the rotating shaft can be subjected to press fitting; the first displacement sensor is used for detecting the vertical distance H1 from the installation position of the impeller to the upper surface of the impeller when the impeller is pressed, and the second displacement sensor is used for detecting the vertical distance H2 from the installation position of the impeller to the upper datum plane of the shell when the impeller is pressed. The finally obtained impeller press-fitting height is not affected by dimensional tolerance and assembly tolerance of related parts, so that products with high press-fitting consistency can be obtained, and the performance consistency of electronic water pump finished products is guaranteed.

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.

A hydrofoil arrangement for a boat includes a fastening device, first and second rigid elements, and a main hydrofoil. The fastening device is fastened on an outside of a hull below a waterline of the resting boat. The first rigid element pivots in a first pivot plane into and out of engagement with the hull, vertical and parallel to a forward direction. The second rigid element is connected to the first rigid element and extends at an angle to the first rigid element so that a second end of the second rigid element is at a vertical distance from the hull. The main hydrofoil is fastened to the second end of the second rigid element. The first rigid element can be pivoted downwards and backwards, and thereafter upwards and further backwards, to a position where its second end is arranged stern of the hull. A method is also described.

The invention discloses an electrode stem straightness detection method based on point cloud, and relates to the technical field of machine vision and automatic detection, and the method comprises the steps: collecting and fusing multi-frame point cloud data through combining a line laser camera and a manipulator with a hand-eye calibration technology, and generating a complete electrode stem three-dimensional model. After preprocessing, an improved PointNet + + network is adopted for segmentation, and foreground point cloud of the electrode stem is extracted from a complex background; carrying out the principal component analysis of the foreground point cloud to correct the attitude, carrying out the projection to generate a depth map, carrying out the binarization processing, extracting central axis scatter points, and carrying out the fitting of an ideal reference straight line through a least square method; and a pair of parallel containing lines containing all axis scatter points and having the minimum distance are determined according to an interphase criterion by adopting a minimum containing area method, and the vertical distance of the parallel containing lines is the final straightness error. According to the invention, non-contact and automatic detection is realized, the detection precision and efficiency are better than those of a traditional scheme, and the real-time quality inspection requirement of industrial online production can be met.

This utility model relates to the field of dispensing equipment technology, and in particular to a dispensing height detection device. The dispensing height detection device includes a calibration base, a distance detection component, an imaging component, and a reading component. The calibration base is positioned below the dispensing head, and the distance detection component is fixed to the dispensing head. The distance detection component is used to detect the vertical distance between its detection end and the upper surface of the calibration base. The imaging component is configured to capture images of the dispensing head and the calibration base in a horizontal direction. The reading component is communicatively connected to the imaging component. The reading component can read the images captured by the imaging component and measure the vertical distance between the dispensing head's outlet and the upper surface of the calibration base, obtaining the actual value of the vertically extending distance between the dispensing head's outlet and the product. It also performs closed-loop analysis of the theoretical relationship between adhesive viscosity, dispensing valve orifice size, dispensing pressure, and dispensing height to ensure the dispensing quality of the product.

This invention provides an intelligent pipeline inspection and testing system, comprising a wirelessly connected surveying instrument and a mapping terminal. The surveying instrument includes a laser ranging module, an attitude sensor module, a GPS positioning module, and a processor. The output of the laser ranging module is connected to the first input of the processor to send the measured distance signal to the processor. The output of the attitude sensor module is connected to the second input of the processor to send the measured pitch angle signal and horizontal azimuth angle signal to the processor. The output of the GPS positioning module is connected to the third input of the processor to send the longitude, latitude, and altitude coordinates of the surveying instrument's location to the processor. This invention obtains the three-dimensional coordinates of the pipeline components (longitude, latitude, and altitude) through the GPS positioning module, and combines this with the infrared ranging function of the surveying instrument to obtain the vertical distance of the pipeline from the installation ground, thus achieving clear differentiation of different levels of pipelines in a three-dimensional intersecting pipeline system.

According to the box body assembly and the refrigeration equipment, a reference point of a door body coincides with one, farthest from a second reference plane, of the starting position and the ending position of a first hinge point, and in the process that the door body is opened to a first opening angle from a closed state, the door body is closed; a first vertical distance from the reference point to the outer edge and a second vertical distance from the reference point to the inner edge are gradually reduced, a third included angle between the first vertical line and the first reference plane is gradually reduced in a range of 0-90 degrees, and a fourth included angle between the second vertical line and the first reference plane is gradually increased; in the process that the door body is opened from the first opening angle to the second opening angle, the first vertical distance is gradually decreased, the third included angle is gradually decreased in the range of 0-90 degrees, the fourth included angle is gradually increased from smaller than 90 degrees to larger than 90 degrees, the second vertical distance is gradually decreased and then gradually increased, and in the preset angle range before the second opening angle, the first vertical distance is gradually decreased, and then the second vertical distance is gradually increased. The sine value of the fourth included angle is reduced while the second vertical distance is increased.

This invention belongs to the field of data prediction technology, and provides a method and system for predicting solidification cracks in alloy welding. The method includes: acquiring the thermophysical parameters, scanning speed, and horizontal and vertical distances from the solidification point to the welding point of the alloy to be tested; calculating the theoretical angle between the scanning speed direction and the normal to the fusion line based on the horizontal and vertical distances from the solidification point to the welding point; establishing a continuous growth limiting factor calculation model based on the thermophysical parameters, scanning speed, and theoretical angle, and determining the derivative expression model between the solid-liquid interface temperature and the square root of the solid fraction; establishing a crack sensitivity index calculation model based on the continuous growth limiting factor calculation model and the derivative expression model; converting the crack sensitivity index calculation model into a data curve, and obtaining the welding solidification crack prediction result based on the data change characteristics of the target segment in the data curve. This scheme has a simple calculation process, strong engineering applicability, and improves the accuracy of solidification crack prediction.

This invention discloses a method, system, equipment, and medium for testing the pressure relief effect of large-diameter boreholes. The method involves scientifically arranging borehole electromagnetic radiation sensors to collect electromagnetic radiation signals at different vertical distances before and after pressure relief, and scientifically arranging vector electromagnetic radiation sensors to collect electromagnetic radiation signals at different horizontal distances. Based on these electromagnetic radiation signals, a comprehensive evaluation index is established to evaluate the pressure relief effect along the vertical direction and along the coal wall direction, respectively. This invention enables quantitative evaluation of the pressure relief effect of large-diameter boreholes, improving the reliability and accuracy of pressure relief effect testing.

The invention belongs to the technical field of unmanned aerial vehicle aerial photography, and particularly discloses an unmanned aerial vehicle aerial photography parameter dynamic optimization method based on an AI model, and the method comprises the following steps: obtaining a current waypoint coordinate and a photographing point coordinate of an unmanned aerial vehicle, and calculating the actual distances between the two, including a linear distance, a horizontal distance and a vertical distance; an input feature is constructed, the actual distance is combined with an environment feature and a target feature, the environment feature comprises illumination intensity and a weather type, and the target feature comprises a shooting target type and a target size ratio; processing the input features by using a pre-trained AI model, and outputting optimal zoom multiple, pan-tilt pitch angle and exposure parameters; and dynamically adjusting the aerial photography parameters of the unmanned aerial vehicle according to the optimal parameters. The unmanned aerial vehicle aerial image quality can be improved.

The present invention relates to a method for locating an aircraft (2) relative to a VTOL landing area (4) comprising at least one element (20A, 20B, 22A, 22B) that is reflective to a radio signal, the method comprising the following steps: - transmitting a radio signal from the aircraft (2) to the landing area (4), - receiving a signal reflected by the landing area (4) in response to the signal, - extracting a pattern from the received reflected signal, each pattern being the variation over time in the radio signal reflected by one reflective element (20A, 20B, 22A, 22B), - calculating a vertical distance (D y ) from the pattern, and - determining a vertical location of the aircraft (2) in relation to the landing area (4) depending on the vertical distance (D y ).

The application relates to the technical field of livestock hairing equipment, and provides a livestock hairing machine with adjustable scrapers, which comprises a hairing bin, a hairing cavity is formed in the inside of the hairing bin, a plurality of entering channels are formed on the wall body of the hairing bin and are arranged at intervals along the length direction of the hairing bin, a lateral hairing device is arranged on one side of the hairing bin in the width direction, the lateral hairing device comprises a first rotating shaft, a plurality of connecting arms arranged at intervals along the axial direction of the first rotating shaft and first scrapers arranged at the ends of the connecting arms, the axis of the first rotating shaft is arranged along the length direction of the hairing bin, when the first rotating shaft rotates, the first scrapers on the plurality of connecting arms can enter the hairing cavity through the entering channels one by one, the connecting arms are movably arranged relative to the first rotating shaft, the vertical distance between the first scrapers arranged on the connecting arms and the first rotating shaft can be changed, and the livestock hairing machine with adjustable scrapers greatly improves the efficiency, safety and adaptability of livestock hairing operation.

The invention discloses a high-voltage GIS terminal horizontal warehousing auxiliary tool and a construction method, and the high-voltage GIS terminal horizontal warehousing auxiliary tool comprises a hoisting assembly which is configured to be used for being connected with an epoxy sleeve and horizontally hoisting the epoxy sleeve; the supporting assembly comprises a mounting base and two supporting arms, the mounting base is provided with a first axis, the mounting base is configured to be connected with the leading-out end of the epoxy sleeve and enable the first axis to coincide with the central axis of the epoxy sleeve, and the two supporting arms are connected to the lower side of the mounting base and are symmetrically arranged about the first axis; the supporting arm extends perpendicular to the axial direction of the first axis. Wherein the supporting arm is configured in the mode that the supporting arm can be movably adjusted in the length direction of the supporting arm so that the vertical distance between the free end of the supporting arm and the first axis can be changed, and the free end of the supporting arm is used for abutting against the inner wall of the lower side of the GIS bin and providing supporting when the epoxy sleeve horizontally enters the bin. The method has the advantages of being high in universality and stability.

The application relates to a depth image denoising method and device, computer equipment and a storage medium. The method comprises the following steps: obtaining a plurality of regions of interest in a to-be-processed depth image, performing plane fitting on the plurality of regions of interest to obtain a reference fitting plane; determining the vertical distance from each pixel point in each region of interest to the reference fitting plane; for each region of interest, based on the vertical distances corresponding to the pixel points in the region of interest, determining the distance interval corresponding to the region of interest, and determining the pixel points with the vertical distances in the distance interval as the to-be-fitted pixel points corresponding to the region of interest; performing plane fitting on the to-be-fitted pixel points corresponding to the plurality of regions of interest to obtain a target fitting plane; and based on the target fitting plane and the distance intervals corresponding to the regions of interest, performing denoising processing on the to-be-processed depth image to obtain a target image. The method can improve the denoising precision of the depth image.

The application relates to the technical field of orthopedic puncture, in particular to an orthopedic puncture navigation system; through the cooperation of a puncture positioning module and a control module, image data and a mechanical adjusting mechanism are organically combined, high-precision planning and positioning of a target puncture point, a puncture angle and a puncture depth are realized, the dependence on the experience of an operator in traditional puncture operation is significantly reduced, the problem of inaccurate positioning caused by artificial judgment deviation is effectively solved, the operation time is greatly shortened, so as to reduce the pain and operation risk of a patient, the puncture positioning module adopts a mechanical structure of a multi-degree-of-freedom adjustable machine, through the cooperation of a horizontal distance adjusting rod, a vertical distance adjusting rod and a positioning cylinder, flexible and accurate adjustment of the position and angle of a target puncture needle in a three-dimensional space is realized, the structure is compact and the adjusting logic is clear, the adaptability of the system to different anatomical structures and operation scenes is enhanced, and the flexibility and controllability of operation are improved.

A mechanical device (1) for separating a workpiece part (2), which is a product of a separating machining operation on a plate-like workpiece, in particular a sheet metal workpiece, from a residual grid (3), which is a further product of the separating machining operation, under the influence of gravity, comprises a holding device (7), a separating unit (13), and a product tray (15). The holding device (7) is designed to fix the product grid (5) in the direction of gravity before the workpiece part (2) is separated and to fix the residual grid (3) in the direction of gravity after the workpiece part (2) has been separated.By means of a leveling device (18) the product assembly (5) is aligned with a main plane (10) of the product assembly (5) parallel to a horizontal storage surface (14) of the product storage tray (15) arranged at a vertical distance below the product assembly (5) before the workpiece part (2) is released from the product assembly (5) fixed by means of the holding device (7).

The embodiment of the present application relates to the technical field of antenna, and discloses a microstrip antenna, the microstrip antenna includes dielectric substrate, radiation patch and ground sheet, the dielectric substrate is provided with first surface and second surface, the first surface and the second surface are oppositely arranged;The radiation patch is arranged on the first surface, and the radiation patch is provided with a plurality of first slits;The ground sheet is arranged on the second surface, and the ground sheet is provided with a plurality of second slits, wherein, in the direction from the first surface to the second surface, the radiation patch and the ground sheet overlap, and the vertical distance between the radiation patch and the ground sheet is less than 0.01 lambda. Through the above mode, the embodiment of the present application can realize the end-fire of the microstrip antenna.

The utility model provides a continuous oil pipe injection bridge plug combined tool, and relates to the technical field of oil exploitation equipment. The continuous oil pipe injection bridge plug combined tool comprises an oil pipe connector, a hydraulic release, a centralizer, a positioner, a spray gun, a feeding and sealing tool and a bridge plug which are sequentially arranged. The positioner comprises a main body and a plurality of positioning parts, the multiple positioning parts are arranged on the circumferential side of the main body in a circumferential array mode along the axis of the main body, and the positioning parts are elastically connected with the main body; the positioning part comprises a first protrusion and a second protrusion which protrude in the direction opposite to the axis of the body, the first protrusion is close to the centralizer, the second protrusion is close to the spray gun, and the vertical distance from the end of the first protrusion to the axis is not larger than the vertical distance from the end of the second protrusion to the axis. The range defined by the multiple first protrusions can be larger than the inner diameter size of the sleeve. According to the technical scheme, hanging load fluctuation can be more obvious, and therefore accurate positioning can be achieved in the air-tight seal casing pipe.

The invention relates to a method for predicting building subsidence caused by construction, in particular to a method for predicting subsidence of a building under a large-diameter shield tunnel. Comprising the following steps: determining factors influencing the settlement of the building under the shield tunnel, wherein the factors comprise a horizontal distance A, a vertical distance B, a stratum parameter C and a reinforcement range D; performing response surface method test on the horizontal distance A, the vertical distance B, the stratum parameter C and the reinforcement range D through numerical simulation; and establishing a settlement prediction regression model, and fitting a settlement prediction function through a minimization and maximum deviation method. The building settlement caused by shield construction can be predicted more quickly, and reference and basis are provided for efficient and accurate prediction of the settlement amount of the building under the shield tunnel.

The utility model relates to a rotary shaving cutter, a trimming cutter head and a trimming tool, which are characterized in that at least one movable cutter tooth is provided with a front angle and a rear angle, and the vertical distance T between the front angle and the rear angle is smaller than the length of a hair guide groove in a static cutter, so that the outer rotating track of the front angle and the inner rotating track of the rear angle are both positioned in the hair guide groove of the static cutter; and when the front angle is close to any hair guide groove in any static cutter, the movable cutting edge and the static cutting edge are inclined to form a first included angle S1. The utility model has the beneficial effects that the positions of the front angle and the rear angle of the movable cutter tooth are mutually adjusted, when the front angle of the movable cutter tooth is in contact with the static blade of the static cutter tooth, the front angle of the movable cutter tooth and the static blade form a closed state, and at the moment, even if part of to-be-sheared beards and other hairs are extruded by the static blade and the static blade, the hairs can be sheared off. When the trimming tool moves, the trimming tool can slide out of the trimming area of the movable blade and the static blade from the rear corner below and the opening of the static blade, so that the galling phenomenon at the moment of moving of the trimming tool can be prevented, and the use comfort of the trimming tool is improved.

An apparatus fixed to a water vehicle to produce electric energy has a turbine rotor supported under the water surface in a horizontal operation position and to it fixed first axis to transfer the rotation motion from the rotor and in which apparatus the rotor has been supported and adapted into with it same centered cylinder that has been fixed to the frame with vertically to it fixed joint that is situated a vertical distance (a) from the rotor and adapted to turn in relation to the frame that has been fixed to the water vehicle round the joint axis and to settle into the direction of the water flow by its power and where the first part of the second axis has been adapted same centered with the joint axis and the first and the second axis have been connected to each other with a rotation movement direction changer when the horizontal rotation of the first axis has been adapted to change into a vertical rotation movement in the first part and the second axis has been connected to a generator to transfer the rotation movement into it and the generator has been connected to a battery to store the generated electric energy to it.

The invention provides a grinding pad pasting flatness inspection system and method, and the system comprises a lifter which at least comprises two oppositely-arranged lifting rods, the lifting rods are perpendicular to a grinding disc, and the grinding disc is arranged between the two lifting rods; the laser transmitter is in sliding connection with any one of the two lifting rods and can move up and down along the lifting rods; the laser receiver is in sliding connection with the other one of the two lifting rods and can move up and down along the lifting rod; the controller is electrically connected with the laser transmitter, the laser receiver and the lifter, and the controller is used for adjusting the vertical distance between the laser transmitter and the surface of the grinding disc and the vertical distance between the laser receiver and the surface of the grinding disc to be a preset distance and controlling the laser transmitter to transmit laser; acquiring the light intensity of the laser received by the laser receiver; and judging the pasting flatness of the grinding pad based on the light intensity. Therefore, whether bubbles exist between the grinding pad and the grinding disc or not is judged through laser scanning, missing detection bubbles can be reduced, and the bubble detection speed can be increased.

Disclosed is a measurement device for a vibration device of a concrete-block production plant. The vibration device has a vibrating table and impact strips arranged parallel to each other and parallel to the ground with relation to their longitudinal axes. The measurement device comprises at least one measurement unit for distance. The measurement unit is arranged above the vibrating table and the impact strips, wherein the measurement unit can be guided orthogonally to the impact strips and parallel to the ground using a guide unit. During the guiding process, the measurement unit operates at predefined measuring positions and / or positions determined during the guiding process via the impact strips and the vibrating table, using the measurement unit, the vertical distances from the top sides of the impact strips and / or the vibrating table to reference positions, which result from the heights of the measurement unit at the respective measuring positions, can be determined.