3109results about "Mechanical measuring arrangements" patented technology

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.

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.

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.

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.

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.

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.

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).

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.

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.

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.

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.

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.

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.

The invention discloses a coaxial laser confocal processing and measurement integrated system and an in-situ morphology measurement method thereof, and belongs to the technical field of ultrafast laser precision processing and in-situ measurement. The system comprises a laser confocal morphology measurement module, an ultrafast laser scanning processing module, a CCD (Charge Coupled Device) microscopic imaging module, a beam splitter prism, a low-pass dichroscope, a long-working-distance achromatic laser processing objective lens and a combined three-axis precision displacement table, the laser confocal morphology measurement module generates a measurement light beam to realize morphology measurement of a sample; the ultrafast laser scanning processing module generates a processing light beam to scan and process the surface of the sample; the CCD microscopic imaging module generates an illumination light beam to realize illumination of a processing position and acquisition of image information of a sample surface; a measurement light beam, a processing light beam and an illumination light beam form coaxial light beams through a low-pass dichroscope, the coaxial light beams are focused at the same position of the surface of a sample through a long-working-distance achromatic laser processing objective lens, and the coaxial in-situ measurement condition is achieved.

The utility model provides an end face disc tooth type part shaft shoulder radial run-out detection device, relates to the radial run-out detection field, and adopts the scheme that the end face disc tooth type part shaft shoulder radial run-out detection device comprises a detection assembly which is arranged opposite to a shaft shoulder of a part to be detected, and further comprises a rotating assembly which comprises a mounting disc and a connecting shaft, the end face of the mounting disc is provided with a plurality of meshing teeth, and the connecting shaft is connected with the mounting disc; the meshing teeth can be meshed with teeth of a to-be-tested part, the mounting disc is detachably connected with the to-be-tested part, and the connecting shaft is of a shaft-shaped structure; and the supporting assembly comprises a base, and the connecting shaft is rotatably arranged in the base. According to the utility model, the relative radial run-out error of the shaft shoulder and the end face tooth of the end face disc tooth part can be detected.

The invention discloses a steel structure welding and riveting deviation correction device and method.The steel structure welding and riveting deviation correction device based on visual localization comprises a platform, rectangular grooves are formed in the left side and the right side of the top of the platform correspondingly, and sliding seats are slidably mounted in the two rectangular grooves correspondingly; the tops of the two sliding seats are fixedly provided with the same U-shaped frame, the U-shaped frame is provided with a first drive adjusting mechanism, and the first drive adjusting mechanism is provided with a visual positioning deviation detection assembly and a deviation correction assembly. The device is reasonable in design, the welding and riveting deviation part of the steel structure can be accurately detected, the deviation position can be accurately locked, the accuracy of welding and riveting deviation detection and position judgment of the steel structure is greatly improved, the welding and riveting deviation position can be automatically and accurately corrected, and the welding and riveting precision is improved. In addition, welding and riveting deviation detection and deviation calibration work of different parts of the steel structure can be achieved, and multi-position detection and calibration work can be completed without moving the steel structure.

An articulated coordinate measuring machine comprising a set of sensors, a probe for approaching an object point, and a set of members connecting the probe to a base. The probe is configured to be moved at least partially manually by an operator holding and guiding the probe and / or a handheld member of the set of members. The coordinate measuring machine comprises (i) an accuracy-assessment-functionality providing accuracy-perception-data based on continuously monitored actual data representing an actual state of said at least one state variable of the coordinate measuring machine during the guiding of the probe, and (ii) a user-support-functionality providing a support action during the guiding of the probe based on the accuracy-perception-data.

A MARKIII cargo containment system cargo hold size measuring method comprises the steps that a cargo hold is divided into 10 faces and 16 angular points in total, laser trackers are arranged at the centers of the bow face and the stern face, a plurality of target balls are arranged in the three faces corresponding to each angular point, the laser trackers are used for detecting the target points in the three faces corresponding to the angular points, and after detection is finished, the cargo hold size is measured through the target balls. According to the method, the planes can be created in polyworks software, after the three planes corresponding to the angular points are created, coordinates of intersection points formed by intersection of the three planes are three-dimensional coordinates of the current angular points, and three-dimensional coordinates of the 16 angular points are obtained through measurement in sequence. And inputting the three-dimensional coordinates of the angular points into EXCEL to directly obtain the lengths of line segments and diagonals of the cargo hold. According to the method disclosed by the invention, the number of times of measurement is reduced from original 64 times to 16 times and is reduced by 75%. And the labor hour is reduced, 20 persons are required to measure for 2 days in the original method, 5 persons are required to measure for 1 day in the method, and the labor hour is reduced by 87.5%. The measurement precision is improved, and calculation errors are avoided.

The application discloses a sampling device for geological exploration, which comprises a geological sampling mechanism and a scale expansion mechanism. The geological sampling mechanism comprises a bottom plate, and a gas cylinder is fixedly connected to the top of the bottom plate. The application relates to the technical field of exploration sampling. The sampling device for geological exploration is combined with the geological sampling mechanism and the scale expansion mechanism. The two mechanisms are arranged so that when the sampling cylinder is lowered for sampling, the U-shaped supporting frame extends out of the side groove by the pressure of the core column. When the sampling cylinder drives the core column to rise, the U-shaped supporting frame supports the lifting supporting piece. The inclined pressing plate, the inner groove sliding frame and the tooth block are matched, so that the seal block can continuously and uniformly pass through the side groove and expand on both sides of the core column. Therefore, the scale line can be marked in advance when the core column is still in a whole in the sampling cylinder.

The invention provides a uniform irradiation device for irradiation cross-linking of a cable insulation layer, and belongs to the field of cable irradiation, the uniform irradiation device comprises a constraint part and an irradiation cross-linking machine, the outer side of the irradiation cross-linking machine is fixedly connected with a wiring pipe, the exterior of the wiring pipe is fixedly connected with a sleeve shell, the exterior of the sleeve shell is provided with a first L-shaped groove, and the first L-shaped groove is provided with a second L-shaped groove. A second L-shaped groove is formed in the outer portion of the sleeve shell, a clamping assembly used for supporting a cable is arranged in the sleeve shell, and a moving assembly is arranged in the sleeve shell. By arranging the restraining part and rotating the first screw rod, the supporting wheel can be folded towards the center conveniently, cables with different diameters can be automatically adapted, and the cables can be accurately positioned at the axis of the wiring pipe, so that the problem of single-side over-irradiation or under-irradiation caused by eccentricity of the cables is solved, the circumferential uniformity of the crosslinking degree of an insulating layer under ultraviolet irradiation is ensured, and the service life of the insulating layer is prolonged. Therefore, the production quality of the cable is ensured.

The invention relates to the technical field of steam turbine blade measurement, in particular to a special bidirectional measuring tool for a conical surface of a steam turbine blade, which comprises a detection table and a driving motor fixedly mounted on the inner top surface of the detection table, a detection disc is fixedly mounted at the output end of the driving motor, and a bracket is arranged at the side edge of the side surface of the detection table; a conical surface detection scanner is fixedly installed at the top end of the support, an installation structure is arranged between the support and the detection table, four installation plates distributed in an annular array are fixedly installed on the top face of the detection disc, and positioning assemblies are arranged on the installation plates. The automatic detection device has the beneficial effects that the detection disc is driven by the driving motor to rotate, the scanner is automatically reset in cooperation with linkage of the shifting rod, the shifting plate and the inclined push plate, the rotating seat is automatically overturned and reset after detection is completed, feeding of the next batch is facilitated, automatic circulation of feeding, detection, discharging and reset is formed, manual intervention is reduced, and the overall detection continuity is improved.

The utility model belongs to the technical field of concrete crack depth detection, and particularly relates to a concrete crack depth detection device which comprises an ultrasonic crack detector, two transducers and a transverse pipe, fixing frames are sleeved on two sides outside the transverse pipe, a disc is fixed at the plane end of each fixing frame, and an adhesive layer is adhered to one end face, far away from the fixing frames, of each disc; clamping assemblies used for clamping and fixing the transducer are installed at the two ends of the transverse pipe in a sliding mode, and a bidirectional driving assembly used for driving the two clamping assemblies to move is installed in the transverse pipe. According to the concrete crack depth detection device, the transducer is clamped on the clamping assembly, and the transverse pipe is adhered to the wall surface through the adhesive layer, so that the transducer is fixed on the wall surface without being supported by a foreign object, and the transducer does not need to be manually held and positioned, the complexity of operation is reduced, and the working efficiency is improved. And the distance between the transducer and the crack is adjusted by the bidirectional driving assembly, so that the adjustment precision of the transducer is improved, and the detection effect is effectively improved.

The invention provides a thread detection device of a tow hook, and belongs to the technical field of thread detection. The thread detection device for the tow hook comprises a workbench, a feeding seat, a defective product placing seat, a qualified product placing seat, a positioning mechanism and a thread detection unit capable of performing thread detection on the tow hook, and the feeding seat, the defective product placing seat, the qualified product placing seat and the positioning mechanism are arranged on the workbench. The transferring mechanism can further transfer the tow hooks on the positioning mechanism to the defective product containing base or the qualified product containing base. The automation degree is high, the thread detection unit is provided with a spring, and the spring can contract during downward pressing, so that the fixed rotating shaft can be inserted into the movable sleeve deeper, the impact force of the detection nut on the tow hook is avoided, and the detection nut and the tow hook are not prone to being damaged during tapping.

The invention discloses an extruded thread trimming detection method, an extruded thread system and application. The method comprises the following steps: calling an impedance reference template bound with a material and a tap index, synchronously collecting steady-state alternating-current impedance of each chip groove at different depths of a thread, calculating deviation according to a groove position weight, setting two-stage threshold values to generate local or overall abnormal marks, then carrying out partitioned statistics on the continuous interval length and number of the abnormal marks, and finally, carrying out statistical analysis on the continuous interval length and number of the abnormal marks. And obtaining a thread overall quality judgment result. According to the technical scheme, the tooth crest trimming quality can be nondestructively detected in real time in the tooth trimming process on the premise that the machining takt is not affected, batch rework or scrapping caused by later spot check is avoided, and the method is suitable for thread batch production with the high quality requirement.

Method of operating a measurement system comprising a coordinate measuring machine (200), a configurable tool rack (100) that can accept a plurality of stations (105,106), each station capable of holding a tool (95). In the method, the system measures a workpiece according to a measuring plan that includes tool change operations and measures of the workpiece with different tools available in the rack. The tool change operations are changed automatically based on a set of operational parameters acquired by electronic devices and sensor installed on the tool rack or on the tool stations or on the tools in the rack, or any combination thereof.

The invention relates to a method for determining the layer thickness of an at least partially transparent surface coating on the surface of a substrate, using a measuring device for emitting focused radiation. The invention is characterized in that the distance between the surface of the substrate and the measuring device for emitting focused radiation is changed by a relative movement between the measuring device and the substrate, wherein the image of the radiation is captured in different relative positions, wherein in the case of an image with a clear outline edge, focusing is inferred at the interface between the surface coating and the substrate and the current relative position is stored as the first position, and wherein in the case of an image surrounded by scattering effects, focusing is inferred at the interface between the surface coating and the air and the current relative position is stored as the second position, after which the difference between the first and second positions is used to determine theTaking into account the refractive index of the transparent surface coating, the layer thickness of the at least partially transparent surface coating is determined.

The invention discloses a floor thickness detection device, and relates to the technical field of floor thickness detection, the floor thickness detection device comprises a floor, a detection host and a shielding cover, the detection host and the shielding cover are arranged at the top and the bottom of the floor, the bottom of the shielding cover is provided with a connecting seat, and an adaptive oscillator and an exchange auxiliary member are arranged between the connecting seat and the shielding cover; and the connecting rod is in threaded connection with the bottom of the connecting seat. By arranging the adaptive oscillator, the shielding cover can adaptively abut against the irregular surface of the bottom of the floor slab, the irregular surface comprises an inclined face and a protruding part, it is ensured that the shielding cover makes close contact with the floor slab, gaps caused by surface unevenness are reduced, a more stable foundation is provided for follow-up detection, and the detection efficiency is improved. The improvement of the fitting degree is helpful for the transmitting probe to transmit a detection signal more stably, and signal interference or deviation caused by a gap or poor contact between the shielding cover and the floor is reduced, so that the accuracy of floor thickness detection is improved.

The invention discloses an automatic guide ring detection device and method, and relates to the technical field of guide ring detection, the automatic guide ring detection device comprises a lower rack, the lower rack is provided with an upper rack, and the lower rack is provided with a bottom plate; the carrying mechanisms are arranged on the bottom plate and used for carrying the guide rings; the feeding conveying assembly is used for conveying the guide rings to the carrying mechanism; the external dimension detection mechanism is arranged on the bottom plate; the go gauge detection mechanism is close to the external dimension detection mechanism; the discharging assembly is arranged on the bottom plate; and the end face detection mechanism is arranged on the bottom plate. Through cooperation of the vibration feeding assembly, the feeding conveying assembly, the three carrying mechanisms, the detection mechanisms, the discharging mechanism and the discharging mechanism, full-process automatic operation of feeding, carrying, multi-project detection, sorting and discharging of the guide rings is achieved, manual intervention is not needed, the detection efficiency is effectively improved, and the manual labor intensity and manual detection errors are reduced.

The invention relates to a method for determining a welding penetration depth of a welding process, in particular a laser welding process, comprising the following method steps: a. carrying out a set-up process, wherein, in the set-up process, a predefined welding process is carried out and information relating to a vapour capillary (100) is determined, b. determining a measurement geometry (200, 202, 204) taking into account the information relating to the vapour capillary (100), c. carrying out a productive process, wherein the predefined welding process is carried out and a welding penetration depth is determined on the basis of measurements of the vapour capillary (100) which are carried out using the measurement geometry (200, 202, 204).