160 results about "Contact laser" patented technology

The invention discloses a wide-range weak feature scene measurement system based on multi-sensor fusion and structured light scanning, and relates to the technical field of wide-range scene scanning, in the system, an extended Kalman filtering algorithm is adopted, fusion is carried out based on positioning data provided by an inertial measurement module and a positioning sensing module, and a wide-range weak feature scene is obtained. And the distance measurement information provided by the laser distance measurement module is combined to correct the fused positioning data, so that the precision and robustness of subsequent point cloud registration are ensured. Then, according to position information and attitude information of the binocular structured light scanning camera during scene scanning, calculating a relative rotation matrix and a relative displacement matrix of each frame of scanning point cloud data relative to the first frame of scanning point cloud data, and performing coarse registration; in the coarse registration process, all frames of point clouds can be converted into a unified coordinate system by directly utilizing global pose information, and the efficiency of coarse registration is greatly improved. And finally, extracting laser marking point clouds projected by the non-contact laser marking device in each frame of scanning point cloud data, and performing iterative precise registration on each frame of scanning point cloud data by using color features and geometric distribution rules of the extracted laser marking point clouds. In conclusion, high-precision, high-efficiency and high-robustness point cloud registration in a large-scale weak feature scene is realized, and the method can be used for realizing high-precision non-contact measurement.

The invention discloses a laser radar attitude measurement positioning method and device for an aviation electromagnetic detection suspension system, and belongs to the technical field of aviation electromagnetic detection, attitude measurement and coordinate positioning. According to the invention, real-time space positioning information and attitude information of the aviation soft suspension flight pod subsystem are accurately obtained by adopting a non-contact laser remote sensing measurement mode, and attitude and positioning devices do not need to be fixedly installed on the suspension flight pod subsystem. Electromagnetic interference or dynamic stability of the attitude and positioning device and related auxiliary electronic equipment on the soft suspension flight pod subsystem is avoided, the accuracy of electromagnetic signals and data reliability in the detection process are ensured, and therefore the precision of aviation electromagnetic detection is improved.

The invention relates to the technical field of measuring devices, in particular to a glass thickness measuring instrument which comprises a workbench, the upper end of the workbench is fixedly connected with a first support, the upper end of the first support is provided with a first motor, and the lower end of the first support is provided with a first detection mechanism used for detecting an arc-shaped curved glass plate in a contact mode. A contact type laser micrometer is installed on the inner side of the first detection mechanism, a second detection mechanism used for non-contact type laser scanning detection of a glass plate is arranged on the inner side of the first detection mechanism, a plurality of sets of anti-reflection laser triangular sensors are arranged on the inner side of the second detection mechanism, and the anti-reflection laser triangular sensors are arranged on the inner side of the second detection mechanism for laser reflection interference caused by an arc-shaped curved surface. The anti-reflection laser triangular sensor is matched with the conical black velvet inner wall of the refraction plate and the 45-degree light barrier array to form an efficient optical trap, scattered light and transmission echoes are thoroughly absorbed, and the device is particularly suitable for high-precision measurement of high-power laser of 100 mW or above under an arc curved surface.

The invention discloses a heterostructure bonding quality evaluation method and device based on non-contact laser ultrasound. The method comprises the following steps: aiming at a target multi-layer heterostructure, calculating all corresponding resonance modes by utilizing a computer finite element simulation method to obtain a multi-mode theoretical resonance frequency; carrying out laser ultrasonic multi-point scanning on a preset plane area of the target multilayer heterostructure based on a thermoelastic effect by utilizing the established detection device, and collecting an ultrasonic signal; performing time-frequency domain conversion on the ultrasonic signal to obtain a corresponding frequency spectrum signal, and further obtaining a multi-modal measurement resonance frequency; and comparing the multi-mode theoretical resonance frequency with the multi-mode measurement resonance frequency to obtain a heterostructure bonding quality evaluation result. According to the invention, the accuracy of bonding quality evaluation is improved, and the evaluation convenience is improved.

The invention provides a porcelain insulator crack defect identification method and system based on non-contact laser ultrasound, and the method comprises the steps: extracting a forking angle and a forking length of a porcelain insulator tree-shaped crack from a porcelain insulator crack network expansion speed multiple, and carrying out the time domain analysis of multiple peak values of an echo signal, obtaining a numerical sequence of peak amplitude changing along with time; according to the numerical value sequence of the peak amplitude changing along with time, the echo energy loss degree at the bifurcation point is identified, a tail end weak reflection signal of the tree-shaped structure is analyzed, and the tail end depth value of the porcelain insulator tree-shaped crack is determined; the obtained porcelain insulator tree-shaped crack tail end depth value is combined with the rate relation that the number of branches is increased along with time, and the critical moment when the porcelain insulator crack is converted from a linear state to a tree shape is judged; and generating an early warning signal for identifying the crack defect of the porcelain insulator based on non-contact laser ultrasound according to the critical moment when the crack of the porcelain insulator is transformed from the linear state to the tree state.

The invention discloses a photoelectric device layout structure for realizing duplex communication by a non-contact laser slip ring and a layout method thereof, and relates to the technical field of laser slip rings. The non-contact laser slip ring comprises a stator and a rotor which are coaxially arranged and are not in contact with each other; photoelectric device groups with identical distribution modes are respectively arranged at the end parts, close to each other, of the stator and the rotor; the photoelectric device group comprises a plurality of lasers and photoelectric detectors which are distributed in the circumferential direction; the layout structure of the photoelectric device group comprises a single photoelectric detector layout structure and a multi-photoelectric detector layout structure; the single photoelectric detector layout structure ensures that a single detector can continuously and stably receive signals through densely arranged lasers; on the basis of a single photoelectric detector layout structure, the multi-photoelectric detector layout structure reduces the dependence on the number of the lasers by increasing the number of the detectors, can reduce the probability of communication failure caused by the failure of the lasers, and can improve the reliability of the laser slip ring.

The invention relates to the technical field of precision measurement and optical detection, and discloses a complex inner hole rapid detection method based on laser scanning. According to the method, full-automatic three-dimensional reconstruction of the special-shaped inner hole with the high depth-diameter ratio is achieved through cooperative movement of a rotating platform and an axial feeding laser measuring head in combination with triangulation method laser displacement sensing, multi-source data fusion and an environment compensation mechanism. According to the invention, a traditional contact type measuring means is abandoned, and a non-contact laser scanning technology is adopted, so that the problem of workpiece surface scratch or measuring head wear caused by physical contact is avoided; through cooperative movement of the rotating platform and the linear feeding mechanism, full-circumferential and full-depth coverage scanning of a complex inner hole is achieved, and the limitation that only discrete points or local information can be obtained through an existing method is solved.

The invention discloses a crystal cutting positioning system and method based on three-laser orthogonal distance measurement and tangent calculation, and belongs to the field of precision machining of semiconductor crystal materials. The main structure of the system is as follows: three orthogonally arranged laser range finders are arranged on an objective table facing a crystal; a posture adjusting device is arranged below the objective table and used for adjusting the yaw angle and the pitch angle of the crystal. And the data processing module is used for receiving distance signals of the three laser range finders and calculating a yaw angle and a pitch angle of the crystal according to a tangent function relationship. According to the method, laser ranging micron-order resolution and fixed baseline geometric constraint are utilized, and the deviation of the yaw angle and the pitch angle is accurately quantified in combination with tangent function solution, so that coupling deviation decoupling is realized. And non-contact laser measurement is adopted, so that hard and brittle crystal damage is avoided. Laser sensing, high-speed processing and precise executing mechanisms are integrated, full-automatic rapid calibration is achieved, and the cutting preparation efficiency is improved. A real-time closed-loop control mechanism actively maintains the position and posture of the crystal before machining and / or during machining, dynamic interference is overcome, and the cutting quality stability is ensured.

The application discloses a buffer carving and marking module, which comprises supporting plates, the supporting plates are in parallel state and are provided with a plurality of supporting protrusions, a moving guide rail, a base, a mounting frame, a laser marking head and electromagnetic adsorption blocks, the moving guide rail is arranged on one side of the supporting plate, the base is slidably arranged on the moving guide rail, the mounting frame is arranged on the base, the laser marking head and the electromagnetic adsorption blocks are arranged on the mounting frame, the number of the electromagnetic adsorption blocks is not less than two, the adjacent two electromagnetic adsorption blocks are not in contact, and the laser marking head is located between the two electromagnetic adsorption blocks. The module has the following beneficial effects: the probability of relative shaking between the angle steel and the laser marking head is low during the marking process, and the shaking amplitude is small when the relative shaking occurs, so that the printed mark on the angle steel is clearer.

The invention provides non-contact laser measurement equipment and a non-contact laser measurement method, relates to the technical field of surveying and mapping, and solves the defect that a measured point which cannot be directly contacted by a host or a centering rod is difficult to effectively measure in the prior art. Non-contact high-precision laser irradiation point coordinate calculation can be realized; secondly, confidence degree information of coordinates is calculated, so that the confidence degree of a measurement result is judged; in addition, the measurement credibility can be dynamically adjusted through historical data, so that the method can adapt to the change of a complex environment, and the measurement precision and robustness are improved.

The application discloses a kind of non-contact laser slip ring to realize duplex communication photoelectric device layout structure and its layout method, it is related to laser slip ring technical field, non-contact laser slip ring includes stator and rotor coaxially arranged and mutually not contact, the end of stator and rotor mutually close is respectively equipped with the photoelectric device group of same distribution mode;Photoelectric device group includes the circumferential distribution of several laser and photoelectric detector;The layout structure of photoelectric device group includes single photoelectric detector layout structure and multiple photoelectric detector layout structure;Wherein, single photoelectric detector layout structure is ensured by densely arranging laser that single detector can continuously, stably receive signal;Multiple photoelectric detector layout structure is on the basis of single photoelectric detector layout structure, by increasing the number of detector to reduce the dependence on the number of laser, the probability that communication fails due to laser failure can be reduced, so that the reliability of laser slip ring can be improved.

The application provides a laser chip with improved reliability and a preparation process thereof, and aims to solve the technical problem that an edge-emitting laser is prone to end face failure.The laser chip comprises a substrate, the back surface of the substrate is provided with an N electrode, the front surface of the substrate is provided with an epitaxial material, the top layer of the epitaxial material is an ohmic contact layer, the epitaxial material is provided with a waveguide, and the vicinity of the waveguide is a waveguide region; an insulating medium layer is arranged on the surface of the epitaxial material, the waveguide region and the insulating medium layer are provided with a P electrode, but the ohmic contact layer in the waveguide region is not provided with the insulating medium layer, and the P electrode is in contact with the ohmic contact layer; the end surface of the laser chip is provided with an electrode-free area, and the electrode-free area is not provided with the insulating medium layer and the P electrode above the electrode-free area.The application further comprises a preparation method of the laser chip.The electrode-free area is arranged on the end surface of the laser, and the electrode-free area can improve the COD threshold level and improve the reliability.

The application discloses a wafer polishing laser interference closed-loop pressure control method, and relates to the technical field of semiconductor manufacturing, and comprises the following steps: S1: a ceramic plate is triggered to automatically measure a program after being turned over with a wafer; S2: a laser interference measurement head is driven by a six-axis mechanical arm positioning system to non-contact scan T2 / T4 points of the wafer, and thickness distribution data is acquired; S3: a Zernike polynomial is adopted to fit the thickness distribution data to generate a three-dimensional distribution graph, and a pressure correction amount is calculated based on a pressure prediction model constructed by a process kinetics model and a support vector machine regression algorithm; S4: an abnormal processing module is used to detect data outliers in real time, and a device protection strategy is triggered when a deviation exceeds a set threshold; and S5: a pressure control instruction is transmitted to a polishing head by a PLC controller through a PROFINET bus. By means of non-contact laser interference measurement, the laser interference technology is applied to wafer thickness detection after polishing for the first time, and single measurement time is less than 20 seconds, so that the detection efficiency is significantly improved.

The utility model discloses a laser engraving machine for keyboard characters. The laser engraving machine comprises a base; the support is fixedly installed on the top of the base, and laser equipment is installed on the support; the mounting plate is fixedly mounted at the bottom of the base, a circular plate is rotatably mounted at the top of the mounting plate, an L-shaped plate is fixedly mounted at the top of the circular plate, and a sliding plate is slidably mounted on one side of the L-shaped plate. Through cooperation of the circular plate, the L-shaped plate, the sliding plate, the clamping assembly, the lifting assembly and the containing frame, a keyboard can be automatically placed at the working position of laser equipment, the requirement for manual operation is reduced, the labor intensity of workers is lowered, meanwhile, the working efficiency of keyboard carving is improved, and the working efficiency of keyboard carving is improved. Due to the fact that manual direct contact with laser equipment is not needed in the keyboard placing and carving process, potential risks in the operation process are reduced, and the safety of workers is improved.

The invention relates to the technical field of waste lithium battery recycling, in particular to a battery pole piece laser separation device and method. The laser processing device is provided with a tensioning and unfolding mechanism and a multi-axis laser control mechanism, the tensioning and unfolding mechanism forms a compression roller clamping cavity through compression roller feeding assemblies at the two ends of a rack, and the double clamping cavities synchronously clamp the unwound battery pole piece, so that the battery pole piece is kept tensioned in a laser processing area; and the latter drives the laser to move in a three-dimensional space according to a predetermined route by a mobile end with the laser, and the electrode material and the current collector are separated in a non-contact laser lift-off mode. Dust pollution caused by physical grinding is avoided from the source, mechanical contact is avoided, a current collector cannot be damaged, machining precision is guaranteed through pole piece tensioning, efficient stripping of an electrode material is achieved through laser precise energy control, precise recycling of the material can be achieved in cooperation with sorting, the recycling purity and value are improved, the green and clean production requirement is met, and the device is suitable for large-scale recycling operation.

The invention discloses a composite measuring head type locomotive wheelset size measurement system and a measurement method, relates to the field of online locomotive wheelset size measurement, and solves the problems that detection errors exist and the stability, the reliability, the measurement precision and the measurement efficiency cannot meet the application requirements when an existing wheelset measurement system carries out detection through the reference of equipment. The system comprises a Z-axis guide rail, a Y-axis guide rail, an X-axis guide rail, an industrial personal computer, a contact type scanning measuring head, a non-contact type laser locomotive wheelset position detector and a non-contact type laser displacement sensor. According to the invention, the non-contact laser displacement sensor and the contact type continuous scanning measuring head are adopted and are matched with the large-span three-dimensional moving guide rail and the grating ruler, so that total-factor and high-precision online detection of geometric dimensions and form and location tolerances after the locomotive wheelset is newly delivered and overhauled can be realized. The advantages of a contact type measuring system and a non-contact type measuring system are also taken in the aspect of detection efficiency, the axial displacement speed can reach more than 300mm / s, and the detection rhythm of the existing locomotive wheelset can be completely met.

The invention discloses an assembling device and an assembling method of an elastic electric connecting piece and an elastic electric connecting assembly, the assembling device of the elastic electric connecting piece is used for assembling the elastic electric connecting piece to a substrate, and the assembling device of the elastic electric connecting piece comprises a welding agent which is coated between a bonding pad of the elastic electric connecting piece and a bonding pad of the substrate; the cover plate is arranged above the elastic electric connecting piece, so that the elastic electric connecting piece is in close contact with the substrate through the welding agent; the laser emitter is arranged above the cover plate, and a laser light path emitted by the laser emitter penetrates through the cover plate and the elastic electric connecting piece to reach the welding agent, so that the welding agent forms a welding spot; according to the scheme, the gaps between the elastic electric connecting pieces and the substrate are small enough, and the gaps between the elastic electric connecting pieces and the substrate are consistent, so that the consistency of product precision and height is improved.

The invention discloses a method for controlling welding deformation of a vacuum box, which comprises the following steps of: performing stress relief treatment on a plate, putting the plate on a tool clamp for pre-tightening and fixing, and then welding by adopting a welding sequence of combining symmetrical welding and segmented skip welding, a non-contact laser measuring instrument is adopted for monitoring welding deformation of the vacuum box body in real time, welding process parameters or a tool clamp are adjusted in time, after welding is completed, overall stress relief annealing treatment is conducted on the vacuum box body, then size detection is conducted, and existing tiny deformation is corrected through a mechanical shaping or hydraulic shaping method. According to the welding deformation control method for the vacuum box body, influence factors of welding deformation are reduced from the source, the welding quality is improved, the size precision of the vacuum box body in the welding process is ensured, the size precision and the use performance of the vacuum box body are remarkably improved, the manufacturing requirement of the high-precision vacuum box body is met, and the production cost is reduced. Good economic benefits and application prospects are realized.

The utility model provides a light long-distance non-contact dangerous initiating explosive device laser destruction vehicle, which comprises an optical system, a holder, a mounting seat, an air-cooled laser, a large connecting platform, an intelligent crawler, a small connecting platform, a battery and a remote control terminal, the holder is connected with the optical system and the mounting seat through screws; the mounting seat is connected with the holder and the intelligent crawler through screws; the air-cooled laser is fixed on the large connecting platform through a screw; the large connecting platform is connected with the air-cooled laser through screws; the intelligent crawler is respectively connected with the large connecting platform, the mounting seat and the small connecting platform through screws; the small connecting platform is connected with the battery and the intelligent crawler through screws; the remote control terminal is configured to output signals to the intelligent crawler, the holder and the laser. The laser destroying device is compact in structure and light in weight, dangerous initiating explosive devices can be destroyed in a long-distance non-contact laser mode, and the safety of operators is greatly guaranteed.

The invention relates to a hydraulic valve with a non-contact valve element position detection function and a control method of the hydraulic valve. The hydraulic valve comprises a valve body, a valve element, a laser displacement sensor, a pressure sensor and a driving unit. The valve element is arranged in the valve body, one end of the valve element is connected with the driving unit, the other end of the valve element is provided with a detection part, the laser displacement sensor is arranged in front of the detection part, the detection part moves within the detection range of the laser displacement sensor, and the laser displacement sensor emits laser towards the end face of the detection part and receives reflected light of the end face of the valve element at a certain angle. The valve body is provided with a working oil port, an oil inlet and an oil return port in the axial direction, the working oil port is communicated with an external load, and the pressure sensor is arranged at the working oil port. Compared with the prior art, accurate, reliable and efficient detection of the displacement of the valve element is achieved through the non-contact laser displacement sensor, the on-off state, the flow size and the flow direction of a valve oil port are conveniently controlled, and accurate control and reliable operation of a whole hydraulic system are facilitated.

The invention relates to a forming method and system of a crystal single-tip hot-fix rhinestone and the crystal single-tip hot-fix rhinestone. The forming method comprises the following steps that quartz sand raw materials are smelted through an electric melting furnace, pressed and formed to obtain crystal bead blanks; laser cold grinding equipment is adopted for conducting non-contact laser engraving on the crystal bead blank, and a single crystal tip with a plurality of cutting faces is formed; the single crystal tip is adsorbed to the blister sheet and polished, and the bare diamond is obtained; coating and paint spraying are sequentially carried out on the bare diamonds; coating the bottom layer of the bottom of the bare rhinestone with a hot melt adhesive to obtain the crystal single-tip hot-fix rhinestone; wherein in the laser cold grinding process, a pulse laser beam is adopted to denudate the surface of the bead blank layer by layer in a low-temperature environment, the laser power is controlled to be 50-200 W, the pulse frequency is controlled to be 10-100 kHz, and the scanning speed is controlled to be 100-1000 mm / s. The crystal single-tip hot-fix rhinestone is smooth in crystal face and high in surface smoothness, laser cold grinding is adopted to replace traditional mechanical grinding, tool abrasion is avoided, and the crystal single-tip hot-fix rhinestone is suitable for complex polyhedron forming.

The invention provides a non-contact laser testing method for acoustic emission of a ceramic-based composite material in an extreme thermal environment, and relates to the technical field of nondestructive testing, the non-contact laser testing method comprises the following steps: S1, preparing a glass bead composite coating, and coating the surface of a composite material test piece with the glass bead composite coating; s2, building a non-contact monitoring system; s3, carrying out a thermal coupling experiment and signal acquisition; and S4, performing multi-stage noise reduction processing on the non-contact signal. According to the method, the surface of the composite material test piece is coated with the quartz glass beads, and the laser reflectivity of the surface of the ceramic-based composite material can be improved to 60% or above from 10% or below in an environment of 1500 DEG C by utilizing the directional regression reflection characteristic of the quartz glass beads, so that the amplitude of a laser vibration measurement signal is remarkably enhanced. And meanwhile, aiming at the characteristics that the noise of the laser vibration meter is large and the noise is nonlinearly increased along with the frequency and the like, the signal noise level can be effectively reduced and the characterization capability of the acoustic emission waveform can be improved through median filtering, least square smoothing filtering, self-correlation filtering and other methods.

The utility model relates to an ultraviolet light irradiation crosslinking device, which comprises a shaft tube, the cable core enters the ultraviolet light irradiation equipment at a set speed, the ultraviolet light irradiation crosslinking devices at the two ends are synchronously started, the laser pen emits high-precision light beams, the actual position of the cable core is monitored in real time, data are fed back to the control system, the laser pen continuously scans the surface of the cable core, and if deviation or shaking is detected, the system immediately triggers response. Non-contact laser detection avoids friction loss of a traditional mechanical guide wheel, the service life of equipment is prolonged, and meanwhile the risk that the surface of a wire core is scratched is reduced. When wire cores with different wire diameters are replaced, the driving piece drives the rotating ring to rotate, the arc-shaped sliding way on the rotating ring pushes the guide rod and the guide block to slide along the inclined sliding way of the ring shell, the guide block drives the support and the laser pen to synchronously get away from or get close to the wire cores, the laser irradiation angle and range are dynamically adjusted, and it is ensured that the irradiation path is accurate. And the distance between the laser pen and the wire core is adjusted to ensure uniform distribution of irradiation energy and reduce the cross-linking degree difference.

An ab externo automated laser treatment system for treating an eye in a subject, includes a non-contact laser source configured to generate a laser beam having at least one wavelength to treat the eye by directing the laser beam from a location spaced from the eye, wherein the at least one wavelength is a near-infrared wavelength in the range of about 0.5-2.2 μm, a laser scanner optically coupled to the non-contact laser source to receive the laser beam from the non-contact laser source and to scan the laser beam relative to the eye, and a processor, and memory including stored computer-readable instructions that, responsive to execution by the processor, cause the laser treatment system to direct the laser beam to a plurality of trans-scleral treatment locations to be irradiated in a predetermined treatment pattern on an external surface of the eye, wherein the trans-scleral treatment locations are 0-4 mm posterior to the corneolimbal junction, and wherein the laser beam is repetitively directed to the same irradiated trans-scleral treatment locations on the surface of the eye, and the trans-scleral treatment locations are irradiated at intervals sufficient to induce protective thermal preconditioning and therapeutic bio-stimulation of one or more of the trabecular meshwork and / or ciliary body without photocoagulation of the tissue of the eye. Trans-pupillary systems, patient interfaces, and methods are also disclosed.

An advanced method for manufacturing an optoelectronic system array is disclosed in which micro-devices are developed separately and then transferred into a system substrate. Various embodiments are disclosed, including distributed sacrificial reference points, real-time monitoring with various sensing techniques, laser generated alignment marks, non-contact laser triangulation, and marking using polymers to dynamically estimate and correct alignment during each transfer phase. The invention further discloses a method for detecting and correcting errors caused by wear, environmental changes, load variability and mechanical vibrations, which may be AI-based. Generally, the system for pre-transfer calibration, monitoring, error detection, and compensatory adjustment enables precise and reliable integration of micro-devices into optoelectronic systems, thereby significantly enhancing alignment accuracy, stability, and reliability throughout the manufacturing process. The system may further be AI-based calibration verification in a micro device transfer system.

The electric vehicle switch contact laser welding device comprises a base and a top frame, a material fixing mechanism is arranged on one side of the top end of the base, a first longitudinal frame is fixedly installed on the side, close to the material fixing mechanism, of the bottom end of the top frame, and a welding mechanism is fixedly installed at the bottom end of the first longitudinal frame; a conveying device is arranged on the side, close to the welding mechanism, of the top end of the base, and a second longitudinal frame is fixedly installed on the side, away from the first longitudinal frame, of the bottom end of the top frame. The waterproof and chemical corrosion resistant performance of the electric vehicle switch contact platform and the electric wire welding position is improved, the damage to the electric vehicle switch contact platform and the electric wire welding position is reduced, and the subsequent use effect of the whole electric vehicle switch is improved.

The present invention provides a vibration testing system and method for measuring the vibration of a rotating missile's entire missile during its rotational state, which relates to the technical field of missile mechanical environment testing. The system comprises a vibration device, a fixing device, and a rotating device. The fixing device secures the rotating missile to the vibration device, and the distal end of the rotating missile is connected to the rotating device. The rotating missile is subjected to vibration excitation by the vibration device, its gravity is balanced by the fixing device, and its rotational motion is applied by the rotating device. The present invention can more realistically simulate the vibrational dynamic environment experienced by a rotating missile during flight, fully assessing its reliability and adaptability to vibration environments. A non-contact laser sensor is used to measure and control the vibration of the entire missile during its rotational state, overcoming the difficulty of traditional sensors in measuring vibration during rotational motion.

The invention relates to the technical field of breeding slicing, in particular to a seed laser sample cutting system based on track self-adaptive adjustment, which comprises a laser sample cutting device, a visual detection device and a control system, the laser sample cutting device comprises a laser, a light path formed by a plurality of reflectors, a three-axis motion module and a collimating head; the control system is electrically connected with the visual detection device and the three-axis motion module respectively; the control system generates a height compensation value delta H based on the top view image; and according to the height compensation value delta H, a control instruction sent to the three-axis motion module is dynamically adjusted so as to correct the cutting track of the laser beam on the surface of the seed. Non-contact laser cutting is matched with a track self-adaptive adjusting system based on machine vision, so that real-time accurate compensation of seed cutting positions is completed, and the technical effects of effectively avoiding mechanical stress damage, keeping seed activity to the maximum extent and remarkably improving sampling position consistency and sample quality are achieved.

The utility model relates to the technical field of insulator processing, in particular to a laser cleaning device for insulator hardware, which comprises a workbench, a rotating mechanism and a laser cleaning mechanism. The rotating mechanism comprises a base, a rotating assembly and a bearing assembly, the rotating assembly and the bearing assembly are arranged on the base, the bearing assembly is used for supporting the hardware fitting, and the rotating assembly is used for driving the hardware fitting on the bearing assembly to rotate; the laser cleaning mechanism comprises a first laser cleaning assembly and a second laser cleaning assembly, the first laser cleaning assembly is used for conducting laser cleaning treatment on the surface of the hardware fitting, and the second laser cleaning assembly is used for conducting laser cleaning treatment on the section of the hardware fitting. The hardware fitting laser cleaning device is novel in structure, it is guaranteed that hardware fittings can make full contact with laser beams during laser cleaning, the cleaning effect of the surface and the cleaning effect of the section are consistent, the consistency and efficiency of hardware fitting treatment are improved, the traditional polishing technology is replaced with the laser technology, and the problems that surface treatment is not uniform, chemical residues exist, and bonding is poor are solved.