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4964results about "Mechanical measuring arrangements" patented technology

Multi-modal measurement system and method of three-coordinate measuring machine

The invention discloses a multi-modal measurement system and method of a three-coordinate measuring machine, relates to the cross technical field of precision measurement, computer vision and intelligent manufacturing, and is used for solving the problems of low automation degree, strong subjective dependence and lack of assembly performance prediction capability in automobile covering part characteristic line detection. According to the method, point cloud data and positioning coordinates are synchronously collected through a multi-mode sensor, and a fusion point cloud sequence is generated through time sequence synchronization; constructing a high-precision three-dimensional point cloud model through noise filtering, registration and curved surface reconstruction; automatically extracting a feature line path based on curvature analysis and generating an analysis section; calculating a sharpness index through contour fitting, and generating a quality evaluation coefficient in combination with a CAD ideal model contour tolerance deviation; and finally, defects are identified through virtual assembly analysis, a sensor remeasurement path instruction is generated, and a quality report is output in combination with a quality coefficient, so that the detection precision, the efficiency and the assembly quality prediction capability in the measurement process of the three-coordinate measuring machine are improved.
Owner:HEXAGON MANUFACTURING INTELLIGENCE TECHNOLOGY (SHENZHEN) CO LTD

System and method for improving image segmentation

One embodiment can provide a computer-vision system. The computer-vision system can include one or more cameras to capture images of a scene and one or more sets of single-color light sources to illuminate the scene, with a respective set of light sources comprising multiple single-color light sources of different colors. The multiple single-color light sources within a given set can be turned on sequentially, one at a time. The cameras can capture an image of the scene each time the scene is illuminated by a respective single-color light source of a particular color.
Owner:EBOTS INC

Laser high-precision detection device for sealing size of double-layer composite air pipe

The invention relates to the technical field of measuring devices, and particularly discloses a double-layer composite air pipe sealing size laser high-precision detection device which comprises a base and an air pipe, sealing plates are fixedly connected to the positions, close to a port, of the outer surface of the air pipe, a bolt is arranged between the two sealing plates, and a guide seat is movably connected to the upper side of the base. A positioning assembly is arranged on the upper side of the guide base and comprises a sleeve fixedly connected with the outer surface of the upper end of the guide base. By arranging the positioning assembly, the air pipes can be lifted and supported on the two sides of the connecting position of the air pipes through the symmetrically-distributed jacking blocks, the probability that the air pipes deform downwards in the placing process can be effectively reduced, therefore, the two sets of air pipes are kept in a straight line shape, and then the risk that a gap between the sealing plates changes can be reduced; the detection error of the sealing performance of the air pipe joint caused by the external force can be reduced, and the detection precision can be effectively improved.
Owner:JIANGSU HUANGHUA ENERGY SAVING MATERIALS CO LTD

Conveying device for detecting protruding height of oil sprayer

The invention discloses a conveying device for detecting the protruding height of an oil injector, and relates to the technical field of oil injector detection. Wherein the conveying piece comprises a rolling shaft and an anti-skid sleeve which are connected in a sleeved mode, the roughness of the surfaces of the rolling shaft and the anti-skid sleeve is different, and the rolling shaft is driven by a motor to rotate. According to the conveying device for detecting the protruding height of the oil sprayer, the rolling shaft and the anti-skid sleeve which are connected in a sleeving mode are adopted, the roughness of the surface of the anti-skid sleeve is increased, and therefore the roughness of the device is changed according to needs, and the problem that when an existing conveying device for detecting the oil sprayer is used, the height of the oil sprayer is too large is effectively solved. The technical problem that the roughness of the conveying belt cannot be freely adjusted according to needs is solved, the purpose of freely adjusting the surface roughness of the conveying device is achieved, the surface roughness of the conveying device can be adjusted according to the machining condition of the air cylinder cover, various machining requirements are met, and the applicability of the device is improved.
Owner:GUANGXI YUCHAI MASCH CO LTD

Measurement method, measurement device and measurement system of pole piece

The invention discloses a measuring method, a measuring device and a measuring system for a pole piece. The measuring device acquires a first image of a to-be-measured pole piece acquired by an image acquisition assembly; identifying a measurement object of the to-be-measured pole piece in the first image to obtain a measurement object identification result; wherein the measurement object recognition result comprises at least two feature points on the measurement object; identifying a scale on a passing roller in the first image to obtain a scale identification result; wherein the scaleplate is arranged along the peripheral surface of the passing roller in a surrounding manner in the circumferential direction; the scaleplate identification result comprises at least one of scale marks, flag bits and positions of the scaleplate; the flag bit is used for indicating a preset position of the scale surrounding the peripheral surface of the passing roller; the position is the side edge position of the scale in the axial direction of the passing roller; and determining a size measurement result of the measurement object based on the measurement object recognition result and the scale recognition result. Based on the scheme, the accuracy and efficiency of pole piece measurement can be effectively improved.
Owner:CONTEMPORARY AMPEREX RUNZHI SOFTWARE TECH LTD +1

Value traceability method for involute curve with large base circle radius

A value traceability method for an involute curve with a large base circle radius. The method comprises the following steps: step 1, determining a coordinate system for value traceability and value transfer parameters; step 2, adjusting the pose of an involute template (8); step 3, adjusting the position of the involute template (8); step 4, calibrating involute parameters; and step 5, eliminating coordinate system establishment errors to achieve calibration of a measurement instrument. The method fills the gap of value traceability methods for large-size gears with diameters greater than 500 mm, and can effectively identify the impact of coordinate system establishment errors on the accuracy of tooth profile measurement, and improve the applicability of a large-gear measurement instrument (9) in complex environments such as on-machine measurement. The method enables high-precision involute measurement, is simple and easy to implement, offers high measurement accuracy, facilitates transportation and installation adjustments, and has good market application prospects and promotion value.
Owner:XIAN TECH UNIV

Touch screen flatness detection equipment

The invention belongs to the technical field of laser detection, and particularly relates to touch screen flatness detection equipment which comprises a base and an L-shaped supporting frame fixedly arranged at the top of the base, and further comprises a moving mechanism arranged at the top of the L-shaped supporting frame, a first air cylinder is arranged at the bottom of the moving mechanism, and a laser detector is fixedly arranged at the moving end of the first air cylinder; and the annular positioning seat is fixedly arranged at the top of the base, and an annular auxiliary touch screen is detachably arranged at the top of the annular positioning seat. The to-be-detected touch screen is ensured to be horizontally placed through the annular positioning seat, and the annular auxiliary touch screen makes up the defect of an edge structure so as to avoid abnormity of a laser detection signal; the lifting mechanism is matched with the dust removal mechanism to clean dust on the surface and accurately control the height, the alignment degree detection mechanism and the lifting mechanism cooperatively adjust the alignment degree of the touch screen to be detected and the annular auxiliary touch screen, the problems that edge detection data of the touch screen is missing and accuracy is insufficient are effectively solved, and the accuracy and stability of flatness detection are improved.
Owner:SHENZHEN TUOBIAO TECH CO LTD

Ground flatness laser detection device for industrial building construction

The device comprises a box body and a measuring assembly arranged in the box body, the measuring assembly comprises a laser emitting unit, a lens unit, a focal length adjusting unit and a height adjusting unit, the height adjusting unit is arranged on the upper side in the box body, and the focal length adjusting unit is arranged at the bottom of the height adjusting unit. The laser emitting unit is arranged at the bottom of the focal length adjusting unit, and the lens unit is arranged at the bottom of the focal length adjusting unit and located on one side of the laser emitting unit. Through the collaborative design of the convex lens and the laser emission unit, the optical path reversibility principle of the convex lens is utilized, and dependence on a small-size and low-emission-port-height special-specification laser emitter is not needed. Even if a laser transmitter with a conventional size is adopted, refracted laser can be infinitely close to the ground, and tiny protrusions can be accurately recognized and measured.
Owner:CHINA CONSTR FIFTH ENG DIV CORP LTD

A laser measuring device for measuring the bending angle of a bent part

The application discloses a kind of bending piece bending angle laser measuring device, it is related to laser measuring technical field, including detection table, drive mechanism, movable rod, receiver, laser head, control panel, bent pipe material, the top of the detection table is through being provided with sliding slot one, and the inner wall of sliding slot one is connected with mounting seat with sliding fit.Therein, when the bending piece is measured by laser, the fixed bead is matched by the spiral groove, the rotating handle drives the adjusting disc to move, and the four fixed strips are protruded from the telescopic groove by the connecting rod and the diffusion groove, so that the pipe material is fixed from the inside, the continuous scanning and the accuracy of laser are ensured, after measuring one side, the telescopic rod is matched with the supporting rod and the rack and the limiting plate, the pipe material is lifted and rotated to turn over the surface, the double-side data acquisition is completed by single clamping, and the efficiency and data reliability are improved.
Owner:SHANDONG HONGXING NEW MATERIAL TECH CO LTD

Three-coordinate measuring machine

The invention discloses a three-coordinate measuring machine, which comprises a first guide rail; the second guide rail is parallel to the first guide rail; the two ends of the cross beam are movably connected with the two guide rails through a first connecting assembly and a second connecting assembly, and at least part of the cross beam is located in the space between the first guide rail and the second guide rail; the driving unit comprises a first driving mechanism and a second driving mechanism which are assembled to the first connecting assembly and the second connecting assembly correspondingly and used for driving the cross beam to move synchronously along the first guide rail and the second guide rail. The sliding frame is movably connected to the cross beam; the Z-axis assembly is assembled on the sliding frame; the gravity centers of the cross beam, the sliding frame and the Z-axis assembly are coplanar with the top faces of the two guide rails. The invention provides a three-coordinate measuring machine, which ensures the operation stability of a cross beam.
Owner:海克斯康制造智能技术(青岛)有限公司

Dump body paint film measurement device and dump body paint spraying system

A dump body paint film measurement device, comprising: a conveying apparatus (1), a support frame (2), a moving unit (3), a lifting / lowering output mechanism (4), a manipulator device (5), a rotating output mechanism (6), a final-stage driving apparatus (8), and a thickness measurement mechanism (7). The moving unit (3) is slidably mounted on the support frame (2) and suspended above the conveying apparatus (1). The lifting / lowering output mechanism (4) is mounted on the moving unit (3). The thickness measurement mechanism (7) comprises a mounting frame (71), a measurement apparatus (72), and a rotating shaft (73). According to usage requirements, by adjusting the height of a sliding member (34), a final-stage assembly head (82) is correspondingly assembled together with a first output sleeve (36) or a second output sleeve (45) or a third output sleeve (61), to sequentially achieve the functions of transverse movement, lifting / lowering, and angle adjustment, thereby simplifying the driving system. Further provided is a dump body paint spraying system.
Owner:CHITIAN AUTOMOBILE CO LTD

Measurement detection method and system of three-coordinate measuring machine

The invention provides a three-coordinate measuring machine metering detection method and system, and relates to the field of three-coordinate measurement, and the method comprises the steps: obtaining the geometric model data of a to-be-measured workpiece, and analyzing the geometric model data to determine the local geometric features of the workpiece; according to the method, path information and measuring head attitude information used for measurement are generated according to local geometric features, and based on the path information and the measuring head attitude information, the contact condition of a measuring needle and the surface of the workpiece is simulated, so that the purity and reliability of a data source are remarkably improved, and the measurement data of which abnormal trigger signals are removed are accurately measured. Fine processing is carried out according to local geometric features to eliminate deviation in measurement data, geometric information of key geometric details of the workpiece is maintained, it is ensured that geometric information of key features such as tiny chamfers and sharp edges is not damaged, the accuracy, reliability and efficiency of the three-coordinate measuring machine in measurement and detection of the complex curved surface workpiece are improved, and the measurement precision is improved. The problem that the existing data acquisition efficiency is not high is effectively solved.
Owner:HUNAN IND POLYTECHNIC

Metal size detection equipment

The invention discloses metal size detection equipment, and relates to the technical field of length detection.Sliding tables transversely slide on the left side and the right side of a base, a vertically-arranged vertical frame is slidably inserted into each sliding table, and extension rods which are fixed to the top ends of the vertical frames on the left side and the right side and located on the same straight line are matched with extension of the extension rods; the measuring head at the end of the extension rod can accurately extend into the concave part of the metal workpiece, the distance between the vertical frames on the left side and the right side is constant, the laser transmitter and the laser receiver which are symmetrically arranged on the left side and the right side are matched for detection, and the size of the concave position can be rapidly and accurately measured and detected after simple calculation. The detection efficiency and the detection accuracy can be improved, and the application range of the device can be effectively expanded.
Owner:WUXI JINHUANGSHENG PRECISION MASCH CO LTD

Detection device based on optical lever principle, high-precision assembly error detection method and flatness detection method

The invention provides a detection device based on the optical lever principle, a high-precision assembly error detection method and a flatness detection method, belongs to the field of precision measurement, and solves the problems of large error and dynamic response hysteresis in the existing detection technology. The reflecting mirror is located above the laser emitting device and can reflect laser emitted by the laser emitting device to the photosensitive position sensor, the reflecting mirror mounting plate is provided with a sliding groove, a sliding block is arranged in the sliding groove in a sliding mode, the upper end of the displacement rod is hinged to the sliding block, and the reflecting mirror and the displacement rod are located at the two ends of the rotating center of the reflecting mirror mounting plate respectively. The horizontal distance between the laser beam and the rotating center of the reflector mounting plate is larger than the horizontal distance between the displacement rod and the rotating center of the reflector mounting plate, and a probe is detachably arranged at the lower end of the displacement rod. The method has the advantages of strong dynamic response capability, strong environmental adaptability and high detection precision.
Owner:CHANGCHUN TONGSHI PHOTOELECTRIC TECH CO LTD

Air tightness detection device for civil air defense door

The utility model belongs to the field of civil air defense door detection, and discloses an air tightness detection device for a civil air defense door, which comprises a lifting assembly used for descending the civil air defense door into water, and a sealing assembly used for limiting and sealing the lower part of the civil air defense door is arranged on the lifting assembly. And the marking assembly is arranged on the outer side of the sealing assembly and is used for marking gas leakage points after double-shaft sliding position adjustment. According to the air tightness detection device for the civil air defense door, after the position is adjusted through double-shaft sliding, an air leakage point is marked through downward insertion, the marking rod is moved to the position above the air leakage point and is aligned with the air leakage point through downward insertion, and the position of the air leakage point is accurately recorded by adopting a mechanical marking method; through the arrangement of double coordinates, one corner of the civil air defense door is set as an original point, and an air leakage point position is displayed in a rectangular coordinate system mode, so that the air leakage point position is convenient to determine; through the arrangement of the multi-position marks, a plurality of marking rods are arranged, and a plurality of gas leakage point positions are marked at the same time.
Owner:TONGJIAN CONSTR GRP CO LTD

Special gauge for measuring cylinder cover hole of engine

The utility model discloses a special gauge for measuring an engine cylinder cover hole, which relates to the technical field of cylinder cover hole measurement and comprises a base, a horizontal platform is arranged right above the circle center of the base, and an adjusting assembly for driving the horizontal platform to adjust the inclination is rotatably arranged on the upper surface of the base. A positioning assembly is arranged between the lower surface of the horizontal platform and the base, the circle center of the lower surface of the horizontal platform is fixedly connected with a detection rod which penetrates through the positioning assembly and is in sliding connection with the positioning assembly, and the circumferential side of the bottom end of the detection rod is in sliding connection with a measuring device. According to the special detection tool for measuring the engine cylinder cover hole, the positioning assembly is arranged above the base, so that the supporting rod drives the sliding rod to slide synchronously under the action of downward movement of the nut, then the supporting rod abuts against the inner wall of the hole under the action of the hooks, and when the multiple hooks tightly abut against the inner wall of the hole, the base and the hole are concentric, so that the detection accuracy is improved. And the detection rod and the base are coaxial, so that the hole can be conveniently positioned.
Owner:NANJING TOTE INTELLIGENT EQUIP CO LTD

Cable GIS terminal stress-strain sensor and strain monitoring method thereof

The invention discloses a cable GIS terminal stress-strain sensor and a strain monitoring method thereof, and belongs to the technical field of stress-strain monitoring, and the sensor comprises a sensor structure unit which comprises a metal housing, a fixed contact, a movable contact and a piezoelectric element; the signal processing unit is integrated in the integrated circuit shell and comprises a charge collector used for converting a charge signal of the piezoelectric element into an analog voltage signal; the pulse charge discharger is connected to the output end of the charge collector in parallel; the analog-to-digital converter is connected with the output end of the charge collector and is used for converting the analog voltage signal into a digital signal; the serial communication interface is used for outputting digital signals after analog-to-digital conversion; the mounting unit comprises a fixing hole position and an adhesive base which are arranged on the metal shell; the cable GIS terminal stress strain monitoring device is used for monitoring the stress strain of the cable GIS terminal in the operation process so as to reflect typical structure defects appearing in the cable GIS terminal, and online monitoring of the cable GIS terminal equipment is achieved.
Owner:STATE GRID JIANGSU ELECTRIC POWER CO LTD RESEARCH INSTITUTE +2

Crankshaft detection equipment for automobile maintenance

The invention discloses crankshaft detection equipment for automobile maintenance, and belongs to the technical field of automobile maintenance. The crankshaft detection equipment for automobile maintenance comprises two cushion blocks with V-shaped notches, and the two V-shaped notches are respectively used for placing two ends of a crankshaft, and further comprises a positioning part and a connecting part, the positioning component comprises a support and a rotating rod, the end of the rotating rod is rotationally arranged on the support, and the length direction of the rotating rod is perpendicular to the length direction of a journal of the crankshaft. The connecting part comprises a sliding sleeve, a fixing sleeve, a sliding rod, a supporting rod, an arc-shaped plate and an extension rod, the sliding sleeve is arranged on the rotating rod in a sleeving mode, and the sliding sleeve is connected with the arc-shaped plate through the supporting rod. According to the crankshaft detection equipment for automobile maintenance, whether the coaxiality of the surfaces of the repaired journals meets the repair requirement or not can be judged, the relative coaxial error between the two journals can be measured through the dial indicator, the measurement process is more convenient, and the practicability is better.
Owner:SICHUAN VOCATIONAL & TECHN COLLEGE

dendrometer

A dendrometer, comprising a single mechanical element functionally holds a sample under test via a spring-element in the element that draws two arms firmly against the sample. The spring section of the single mechanical element can be serpentine, or any other shape providing the desired spring constant and range of motion. The one or more spring members extend between the first frame member and the second frame member, wherein the one or more spring structures are nonrigid (extensible and compressible) such that the second frame member is movable relative to the first frame member. The dendrometer comprises a toothed socket on an end of each arm to allow adjustment of the range of clamping. In at least one example, a magnet or actuator attached to one arm, and a Hall effect or other positional sensor, is attached to the alternate arm.
Owner:THE STATE OF OREGON ACTING BY & THROUGH THE OREGON STATE BOARD OF HIGHER EDUCATION ON BEHALF OF OREGON STATE UNIV

Sensor device for detecting strains on a linear infrastructure component, in particular a track rail, measuring arrangement, method and application device

A sensor device (3) for detecting strains in a linear infrastructure component (12), in particular a track rail, comprises a first sensor unit (16, 16') with a first support (28) and at least one strain sensor mounted on the first support (28) for detecting a strain at the first measuring point (19), a second sensor unit (17) with a second support (29) and at least one strain sensor mounted on the second support (29) for detecting a strain at the second measuring point (20), a coupling means (18) connected to the first support (28) and the second support (29) for defining a measuring distance (d) between the first measuring point (19) and the second measuring point (20) along a longitudinal direction (21) of the linear infrastructure component (12), a measuring arrangement (19) with the sensor device (3), a method, and an application device for applying the sensor device (3).
Owner:HOTTINGER BRÜEL & KJAER AUSTRIA GMBH

Film thickness laser measuring device of composite printing machine

The invention relates to the technical field of thickness laser measurement, and discloses a composite printing machine film thickness laser measurement device which comprises a supporting base, a fixing support is arranged on one side of the top of the supporting base, and one distance sensor is arranged on the top of the fixing support. The other distance sensor is arranged at the center of the top of the supporting base; the auxiliary measuring mechanism is located on one side of the thin film tightening mechanism, and a thin film winding mechanism is arranged on one side of the auxiliary measuring mechanism. According to the film thickness laser measuring device of the composite printing machine, the distance between fourth tightening rods is controlled, the tightening degree is adjusted, a film is tightened conveniently and kept horizontal, a distance sensor is fixed to the top of the film through a fixing support, and another distance sensor is arranged at the position, under the distance sensor, of the bottom of the film. The height of the fixing support is fixed, the distance sensor measures the distance between the distance sensor and the film through the laser detection probe, and the thickness of the film can be obtained.
Owner:JIANGSU XINWEIHUA PHARM PACKAGING CO LTD

High-precision slope monitoring device and method based on measuring robot

The invention belongs to the technical field of side slope monitoring, and relates to a high-precision side slope monitoring device and method based on a measuring robot, and the device comprises a displacement target which is fixedly disposed on a side slope to mark a monitoring point; the measuring robot is used for performing optical measurement on the displacement target to obtain slope displacement data; the supporting structure is used for fixing the measuring robot; the displacement monitoring module is arranged in the supporting structure and is used for monitoring the displacement change of the supporting structure in real time so as to obtain the displacement data of the supporting structure; and the data processing unit is used for performing correction calculation by combining the slope displacement data and the support structure displacement data in the same coordinate system to determine the absolute displacement of the slope. According to the invention, a slope monitoring point is marked by using the displacement target, the measurement robot carries out optical measurement to obtain slope displacement data, meanwhile, the GNSS module monitors the displacement change of the supporting structure in real time, and data correction calculation is carried out in the same coordinate system to determine the absolute displacement of the slope.
Owner:CHINA COAL TECH & ENG GRP CHONGQING RES INST CO LTD

Tobacco stem detection device

The tobacco stem detection device comprises a detection assembly and a clamping assembly, the detection assembly comprises a first detection wall and a second detection wall, a detection cavity with a detection distance is formed between the first detection wall and the second detection wall, and the clamping assembly comprises a moving block, a first clamping piece and a second clamping piece. The first clamping piece and the second clamping piece are installed on the moving block, a clamping cavity is formed between the first clamping piece and the second clamping piece, and the clamping assembly is driven by the moving block to move in the direction close to or away from the detection cavity. The tobacco stems are clamped through the clamping cavity, after the tobacco stems are clamped, the clamping assembly is driven by the moving block to move close to the clamping cavity, and if the clamping assembly can drive the tobacco stems to enter the detection cavity with the set detection distance, the tobacco stems are short stems; if the clamping assembly cannot drive the tobacco stems to enter the detection cavity with the set detection distance, the tobacco stems are long stems. Whether the tobacco stems are long stems or short stems can be effectively detected, manual measurement or detection operation is avoided, and manpower is saved.
Owner:HUNAN TOBACCO REDRYING CO LTD CHENZHOU REDRYING FACTORY

Calibration assembly and four-wheel positioning calibration device

The invention provides a calibration assembly and a four-wheel positioning calibration device.The calibration assembly comprises a calibration base body and a plurality of calibration assemblies, the calibration base body defines at least two calibration directions parallel to the calibration base body, the calibration assemblies are arranged on the calibration base body, and projections of the calibration assemblies in the calibration directions do not coincide with one another; and the heights of the plurality of calibration assemblies on the calibration seat body are different. According to the technical scheme, the calibration seat body is provided with the plurality of calibration assemblies of which the projections in the calibration direction do not coincide, so that the four-wheel positioning measurement device can obtain the images of the plurality of calibration assemblies in the calibration direction, and the images of the plurality of calibration assemblies can provide more coordinate values for mutual calibration; therefore, the accuracy of the calibration result is improved, and the accuracy of the tire positioning information detected by the four-wheel positioning measurement device is further improved.
Owner:SHENZHEN SMARTSAFE TECH CO LTD

Installation offset self-checking and dynamic compensation device of electromagnetic angular displacement sensor

The invention relates to the technical field of electromagnetic angular displacement sensors, in particular to an installation offset self-checking and dynamic compensation device of an electromagnetic angular displacement sensor, which comprises a bracket, a displacement assembly, an encoder, a driving assembly and a control assembly, the encoder comprises a stator component and a rotor component; the stator part and the rotor part are coaxially arranged, and the stator part and the rotor part move relatively during operation; and the control assembly calculates compensation parameters through the real-time position and the initial position between the stator assembly and the rotor assembly, and adjusts the position of the rotor part through the driving assembly according to the compensation parameters. In the installation process of the electromagnetic angular displacement sensor, the position deviation between the stator and the rotor is automatically detected, the compensation parameters are calculated, the position of the rotor is finely adjusted in real time through the driving assembly, errors are eliminated, the installation efficiency and detection precision are improved, manual calibration work is reduced, and the accuracy and stability of output signals of the sensor are guaranteed.
Owner:安徽瑞控信光电技术股份有限公司

Device for verifying precision of laser lamp and image system

The invention belongs to the technical field of radiation radiotherapy equipment, and provides a device for verifying the precision of a laser lamp and an image system. The device comprises a slide rail type CT, a verification device and a laser lamp group, the laser lamp group comprises at least two cross laser lamps and at least one linear laser lamp, the verification device comprises a cube body model and a target ball, and the top surface and the side surface of the cube body model are provided with cross scale marks and inlay holes. The cross scale line passes through the center of each surface and the midpoint of each side line, the inlay holes comprise a central inlay hole and a first inlay hole, the central inlay hole is formed in the center of the cross scale line, the first inlay hole is formed in the position, with the equal distance from the central inlay hole, of the cross scale line, and the inlay holes are matched with a target ball. The invention aims to provide an intermediate intervention device to evaluate whether the laser lamp is deviated or the treatment bed is deviated; in the subsequent quality inspection and quality assurance process, the laser lamp and the image system can be verified at the same time by placing the intermediate intervention device again.
Owner:ZHEJIANG CANCER HOSPITAL

Laser measurement system for size of rubber sealing element

The invention discloses a laser measurement system for the size of a rubber sealing element, and relates to the technical field of laser measurement of the size of the rubber sealing element, and the laser measurement system for the size of the rubber sealing element comprises a fixed seat, a cylinder is fixed at the top of the fixed seat, and a mounting frame is fixed at the output end of the bottom of the cylinder. And a laser measuring head is detachably mounted in the mounting frame. According to the laser measurement system for the size of the rubber sealing element, when the size of a rubber sealing ring needs to be measured, the rubber sealing ring sleeves a connecting sleeve, a mounting frame is driven to move downwards by starting an air cylinder, and a positioning sleeve can be moved out of the connecting sleeve through cooperation of a round block, a rotating shaft, a connecting spring, a hinge rod and a moving block; therefore, the inner side of the rubber sealing ring is extruded, the bent rubber sealing ring can be supported, and the problem that the measurement data of the laser measuring head is inaccurate due to the fact that the rubber sealing ring is in a bent state is solved.
Owner:DANYANG XINCHENG RUBBER & PLASTIC CO LTD

Method and device for measuring a toothing

A method having the steps of measuring a geometry of a toothing using an optical measuring system, wherein a numerical aperture of the optical measuring system is adjustable and the numerical aperture of the optical measuring system is adapted depending on at least one geometric parameter of the toothing to be measured and / or is enlarged or reduced.
Owner:KLINGELNBERG GMBH

Coal mine subsidence area surface deformation monitoring device

The invention provides a coal mine subsidence area earth surface deformation monitoring device, and relates to the technical field of monitoring devices.The coal mine subsidence area earth surface deformation monitoring device comprises a fixing bottom plate, a supporting structure is arranged on the fixing bottom plate, an adjusting structure is arranged on the fixing bottom plate in a sliding fit mode, a fixing structure is arranged on the adjusting structure, and a locking structure is arranged between the adjusting structure and the fixing bottom plate; a detection structure is arranged in the supporting structure, a monitoring structure is arranged on the supporting structure, the detection structure corresponds to the adjusting structure, a pushing structure is arranged between the supporting structure and the detection structure, a stabilizing structure is arranged in the detection structure, and the stabilizing structure corresponds to the pushing structure. According to the device, the adjusting structure is slidably installed on the fixing bottom plate, the fixing structure is installed on the adjusting structure, the fixing position of the fixing structure can be adjusted through the adjusting structure, and therefore the device can be well fixed to the ground according to needs, the stability of the device is guaranteed, and the position of the adjusting structure can be locked through the locking structure.
Owner:GENERAL PROSPECTING INSTITUTE OF CHINA NATIONAL ADMINISTRATION OF COAL GEOLOGY +1

Quality control system and method for medical electron linear accelerator

The application discloses a quality control system and method of a medical electronic linear accelerator, and the quality control system comprises the following: an upper computer, an industrial computer, an MLC positioning accuracy module, a gantry angle detection module, a treatment bed positioning accuracy detection module, an ARM motion control positioning accuracy module and a CBCT motion control positioning accuracy module; the upper computer generates a quality control report according to the detection results collected by the MLC positioning accuracy module, the gantry angle detection module, the treatment bed positioning accuracy detection module, the ARM motion control positioning accuracy module and the CBCT motion control positioning accuracy module. The application can effectively reduce the time required for periodic detection of the medical electronic linear accelerator, reduce the manpower and material resources required in the detection process, realize complete multiple quality control plans, issue a quality control report, and accurately and intuitively express the quality inspection result.
Owner:SUZHOU LINATECH MEDICAL SCI & TECH CO LTD