3690 results about "Ultrasonic vibration" patented technology

The invention discloses a solar photovoltaic panel cleaning method and device based on a multi-mode cleaning technology, which can plan a traversal path according to parameters of a photovoltaic panel, primarily remove dust by using a wind blowing and ultrasonic vibration form, plan an energy-saving cleaning path for still existing cleaning points, and improve the cleaning efficiency of the photovoltaic panel. And secondary cleaning is conducted along the cleaning path, dust is adsorbed and cleaned through an electric field generated by the electrode plate, meanwhile, the output parameter set is trained and optimized through a trained deep learning model through input parameters extracted in real time, optimal cleaning parameters are obtained, and intelligent cleaning is achieved.

The invention provides a system for space heterostructure material additive manufacturing, and aims to solve the problems of heterogeneous powder pollution and recovery, space heterostructure deposition workpiece precision optimization, defect control and the like in the prior art. The system comprises a device shell, a heterogeneous powder feeding and recycling device, an additive rolling cooperation platform, an ultrasonic vibration clamping platform and a powder screening and collecting device. The heterogeneous powder feeding and recycling device controls a rotating round block and a tapping sliding block to move through a servo driving mechanism to achieve switching and recycling of heterogeneous powder and cleaning work of a powder feeding path. The material adding and rolling cooperation platform integrates a 3D material adding mechanism, a powder cleaning mechanism and a rolling mechanism, the angle of a nozzle is adjusted by driving a bevel gear transmission assembly, cleaning of residual powder on the deposition surface under different defocusing amounts is achieved, and the material adding and rolling cooperation platform cooperates with the rolling mechanism to flatten the deposition surface. The ultrasonic vibration clamping platform improves the deposition quality of the laser directed energy deposition (LDED) spatial heterostructure through precise clamping and ultrasonic vibration.

The invention discloses an extrusion production process for an aluminum alloy multi-cavity profile. The extrusion production process comprises the following steps that S1, raw materials are prepared; s2, designing and manufacturing a mold; s3, pretreatment before extrusion; s4, extrusion forming; s5, cooling treatment; s6, straightening and finishing; s7, aging treatment; and S8, detecting and packaging. According to the invention, the friction is further reduced by adopting a special high-temperature lubricant and an ultrasonic vibration device in the pre-extrusion pretreatment, the precise control is realized by arranging real-time monitoring and feedback systems such as a laser range finder and an infrared thermometer in the extrusion forming process, and the cooling treatment is realized by automatically adjusting parameters by adding a corrosion inhibitor and arranging a sensor, so that the production efficiency is improved. The cooling quality of the profile is ensured; laser scanning and electrolytic polishing technologies are adopted for straightening and finishing, the straightening precision and the surface quality are improved, a circulating hot air system and a segmented aging mode are adopted for aging treatment, and the aging effect is improved.

An ultrasonic surgical instrument includes an end effector having an ultrasonic blade, an ultrasonic transducer assembly, and a shaft assembly. The shaft assembly includes a tube, and an waveguide. The waveguide is received within the tube and is acoustically connected between the ultrasonic blade and ultrasonic transducer assembly to communicate ultrasonic vibrations from the ultrasonic transducer assembly to the ultrasonic blade. The waveguide includes an acoustic body, a first isolation structure, a second isolation structure and a sheath. The acoustic body extends along a longitudinal axis. The first isolation structure radially extends about the acoustic body. The second isolation structure radially extends about the acoustic body and is longitudinally spaced from the first isolation structure. The sheath is radially positioned between the first isolation structure and the tube and is further radially positioned between the second isolation structure.

The invention discloses a roughness optimization method and system for ultrasonic vibration assisted magneto-rheological deterministic polishing, and the method comprises the steps: placing an ultrasonic vibration table on a workpiece rotating shaft of a magneto-rheological machine tool, and connecting and fixing a workpiece to be machined with a clamp of the ultrasonic vibration table; the position posture of the workpiece to be machined is adjusted through a leveling mechanism and a center adjusting mechanism of the magneto-rheological machine tool, and it is ensured that the press-in position and the press-in depth of a magneto-rheological polishing ribbon formed on a polishing wheel in the magneto-rheological machining process are consistent; the viscosity and the flow of the magnetorheological polishing liquid are kept stable; detecting surface shape error data of the workpiece to be processed by the wave surface interferometer and generating a processing code; and the obtained machining code is input into a magneto-rheological machine tool, so that the magneto-rheological polishing ribbon conducts deterministic polishing on the detected workpiece to be machined based on the fixed press-in position and the press-in depth. The ultrasonic vibration assisted magneto-rheological deterministic polishing roughness optimization method aims at achieving ultrasonic vibration assisted magneto-rheological deterministic polishing roughness optimization, material removal uniformity is promoted, and the roughness of a workpiece is effectively reduced.

The invention discloses a laser-TIG (Tungsten Inert Gas) hybrid welding and method based on ultrasonic-assisted wire powder coaxial conveying, after entering, a laser beam forms a semicircular Bessel beam through a lens, a metal wire passes through an ultrasonic-assisted device and then introduces vibration into a welding pool, and six powder conveying guide pipes are uniformly distributed around the metal wire; according to the wire core six-way powder channel coaxial device, a semi-circular light beam passes through the wire core six-way powder channel coaxial device and enters a laser head, and finally the effect of coaxially melting a wire powder material through laser is achieved. A TIG welding auxiliary device is added to one side of a molten pool, metallurgical reaction is promoted, and compactness of a welding seam is improved. The device mainly comprises an annular laser beam wire core six-way powder channel simultaneous melting system, an automatic wire feeding system, a powder feeding system, an ultrasonic vibration system, a TIG auxiliary welding system and the like. The welding efficiency can be improved through the wire core six-way powder channel coaxial melting technology, the flowing stability of a molten pool can be promoted through the ultrasonic-assisted technology, and the welding seam forming quality can be improved through laser-TIG composite welding.

The invention provides a cooking utensil superheated steam system and a temperature control method thereof, and relates to the technical field of steam cooking. The superheated steam system of the cooking utensil comprises the cooking utensil, a steam module, an ultrasonic heating module, a temperature monitoring module, a cooking data acquisition module, a data analysis module, a model prediction module, a display module, a dynamic adjustment heating strategy, a waste heat recovery module and a preheating box. Ultrasonic vibration is used for assisting heating, water molecules rapidly vibrate in a microwave field to generate heat, the waste heat recovery module captures heat generated in the cooking process through a heat exchanger and is used for preheating the next batch of food, the energy utilization efficiency is remarkably improved, energy waste and carbon emission are reduced, the heating strategy is dynamically adjusted, and the energy utilization rate is increased. According to the real-time sensor data and the prediction model, the heating power, the steam flow and the heating time parameters are automatically optimized, unnecessary energy consumption is avoided, and accurate temperature control and energy consumption optimization are achieved.

The utility model discloses a milk-containing beverage viscosity detection device, and relates to the technical field of food processing, the milk-containing beverage viscosity detection device comprises a stirring box, the stirring box is fixedly communicated with a first processing box through a first U-shaped pipe, and the inner top wall of the first processing box is fixedly connected with a container bottle; and an automatic exhaust valve arranged on the upper surface of the first treatment box communicates with the interior of the container bottle, an ultrasonic generator is fixedly connected to the inner bottom wall of the first treatment box, and a heating wire is arranged in the first treatment box. The milk beverage defoaming device is reasonable in design structure, water in the first treatment box can be heated through the heating wire, bubbles in a container bottle can be heated and expanded, the bubbles are broken under ultrasonic vibration generated by the ultrasonic generator, an electric telescopic rod continues to work, negative pressure defoaming is conducted on the interior of the glass bottle, and milk beverage is defoamed in the device; and the phenomenon that the flowing of the milk-containing beverage fluid is blocked due to the existence of bubbles is relieved, so that the viscosity detection of the device is more accurate.

The invention discloses a simulation method for abrasive particle vibration machining based on reaction molecular dynamics, and relates to the technical field of reaction molecular dynamics, a vibration auxiliary model of a Si surface of 4H-SiC is established, the process of vibration auxiliary chemical mechanical polishing of diamond abrasive particles in the Z-axis direction is simulated, the Si surface model of the 4H-SiC is consistent with an actual machining surface of silicon carbide, and the abrasive particle vibration machining simulation method is suitable for the actual machining surface of silicon carbide. The vibration direction of the vibration auxiliary simulation is consistent with the motion direction of the abrasive particles in the actual chemical mechanical polishing process, so that the acting force and motion trail simulation of the diamond abrasive particle model in the polishing process are more real, and the simulation process is closer to the actual machining process; the atom removal mechanism of the Si surface of 4H-SiC under the conditions of different vibration amplitudes and frequencies and different scratching depths can be researched, so that a chemical mechanical polishing technology is conveniently optimized by ultrasonic vibration, and the polishing quality of silicon carbide is further improved; the technical problem that an existing vibration auxiliary model based on reaction molecular dynamics simulation cannot effectively optimize the chemical mechanical polishing process of silicon carbide is solved.

The invention provides a method for preparing a single-material VMPE recoverable hose through dynamic temperature control multi-layer co-extrusion. The method comprises the steps that infrared temperature measurement modules are installed on all sections of an extruder respectively to construct a dynamic temperature control system; feeding the pretreated raw materials into a corresponding extruder, and adjusting a heating device and a cooling device of a charging barrel of the extruder in real time according to a preset extrusion temperature allowable range through a dynamic temperature control system to obtain a plasticized melt; carrying out bonding treatment on the plasticized melt by utilizing an ultrasonic vibration composite technology to obtain a multi-layer reinforced melt; detecting the thickness of the pipe wall of the multi-layer reinforced melt through a hyperspectral imager and judging whether the thickness of the pipe wall is qualified or not; if not, pipe wall thickness deviation data are fed back to a dynamic temperature control system and an extruder control system to conduct linkage adjustment on extrusion parameters; and if the multi-layer reinforced melt is qualified, cooling shaping and fixed-length cutting treatment are conducted on the multi-layer reinforced melt, the finished recoverable hose is obtained, and the hose forming precision and the recovery performance are effectively improved.

The invention discloses an anti-fouling piezoelectric ceramic membrane which comprises a support body, a coil and a piezoelectric ceramic separation layer, the support body is made of porous ceramic with a through hole in the middle; the coil is a closed loop composed of a lead coil and a crystal oscillator; the piezoelectric separation layer is coated on the inner wall of the through hole of the support body; and the coil is arranged between the support body and the piezoelectric ceramic separation layer. When a medium containing electrolyte passes through a membrane hole, the coil generates induction direct current, the direct current is converted into positive wave pulse current through the oscillator, the wound and overlapped piezoelectric ceramic membrane separation layer is excited, ultrasonic vibration is generated, and therefore the membrane dirt blocking condition is reduced, the use efficiency of the ceramic membrane is improved, and the maintenance and use cost is reduced.

The invention relates to the technical field of machine tool control, in particular to an electrolysis arc milling composite numerical control machine tool control method and system for case machining. The method comprises the steps that firstly, an electrolyte supply system, an electric arc generation system, a high-pressure water jet system and an ultrasonic vibration system are started in sequence, operation data are obtained, and rough machining parameters are calculated; in the rough machining process, the machining gap, the discharging state and the temperature are monitored in real time and compared with standard parameters, and correction values are calculated; after rough machining is completed and the electrolytic arc milling device is detached, the feeding speed and the spindle rotating speed are adjusted according to the correction value, and finish machining parameters are obtained; by electrolyzing electric arc corrosion materials and combining the synergistic effect of high-pressure water jet and ultrasonic vibration, efficient removal and accurate control of super-difficult-to-machine materials such as titanium alloy and high-temperature-resistant alloy in the machining process are achieved, and the machining efficiency and quality are improved.

The invention discloses a method and equipment for double-ultrasonic cooperative in-situ auxiliary electric arc additive manufacturing of a large metal component, an electric arc additive manufacturing system and an ultrasonic vibration auxiliary electric arc additive manufacturing system. The ultrasonic vibration auxiliary electric arc additive manufacturing system comprises two ultrasonic impact guns, an optical sensor, a temperature sensor and a calculation control system. The optical sensor collects optical characteristics of the deposition channel and the molten pool and converts the optical characteristics into electric signals to be transmitted to the calculation control system, and the temperature sensor is used for monitoring and collecting temperature information of the deposition channel and transmitting the temperature information to the calculation control system to draw an isotherm; the calculation control system adjusts the distance between the ultrasonic impact gun and the center of the molten pool according to the isotherm and the optical characteristics of the optical sensor mobile phone, and the ultrasonic power is adjusted; one of the ultrasonic peening guns applies ultrasound from the component side edge as materials are added to the component edge. By means of the multi-axis freedom degree and accuracy of the mechanical arm, double-ultrasonic vibration is applied to all positions of a large metal component in the material adding process, and the mechanical property is improved.

The invention belongs to the technical field of laser processing, and particularly relates to a matrix type ultrasonic-assisted liquid guide laser processing system and method.The matrix type ultrasonic-assisted liquid guide laser processing method comprises the steps that a laser module receives a control instruction of an upper computer, outputs a laser beam and focuses the laser beam into a coupling water cavity module; the coupling water cavity module couples an incident laser beam with a water jet in the cavity, and forms a high-pressure water jet to guide the laser to act on the surface of a workpiece; the ultrasonic vibration module is used for forming ultrasonic vibration on the workpiece; the pressure-stabilizing high-pressure water module supplies water to the coupling water cavity module; the CCD machine vision monitoring module collects the position of a light spot focus of the laser beam and sends the position to the upper computer, and the upper computer adjusts the laser module in real time according to the real-time position of the light spot focus and the position of a nozzle of the coupling water cavity module. The influence of high-power ultrasonic vibration on the workpiece clamping stability can be reduced, and therefore high-quality and high-efficiency machining of large-depth-diameter-ratio micropores and surface fine structures of large thin-wall workpieces is achieved.

The invention relates to a photovoltaic module layering device and a control method thereof, and belongs to the field of photovoltaic modules. The photovoltaic module sequentially comprises a glass plate, a first EVA adhesive layer, a silicon plate, a second EVA adhesive layer and a back plate. A first EVA adhesive layer and a second EVA adhesive layer in the photovoltaic module can be melted and softened to a certain extent by irradiating and heating the photovoltaic module, and the first EVA adhesive layer and the second EVA adhesive layer are separated from a glass plate or a silicon plate more easily during cutting and separation, so that the abrasion of a cutter to the glass plate and the silicon plate is reduced; according to the ultrasonic vibration cutter, accurate cutter setting can be achieved through the visual assembly, the vibration frequency and the vibration amplitude of the ultrasonic vibration cutter are adjusted in real time according to the real-time elastic modulus of the first EVA adhesive layer or the second EVA adhesive layer, excessive force application of the ultrasonic vibration cutter is avoided, therefore, accurate cutting precision is kept during cutting, and the integrity of a silicon plate and a glass plate during recycling is greatly improved.

The invention discloses an ultrasonic-assisted broaching machine tool based on a resonance broach and a design method. The machine tool comprises a broaching machine structure; a groove of the ultrasonic broaching tool is located in the position corresponding to the vibration mode wave crest of the broaching tool; the main piezoelectric actuator device is arranged in the groove; the compensation piezoelectric actuator device is arranged at the position, corresponding to the radial vibration mode, of the ultrasonic broach; the frequency of the ultrasonic power supply and the main power supply is the corresponding frequency when the axial ultrasonic vibration amplitude is maximum and the radial ultrasonic vibration amplitude is minimum under different power supply frequencies, the main driving voltage is determined according to the frequency of the main power supply, the preset broaching maximum speed of the broach and an ultrasonic auxiliary broaching effectiveness coefficient, and the frequency of the compensation power supply is the same as the frequency of the main power supply; the phase difference is 180 degrees, and the compensation driving voltage is the corresponding driving voltage when the ratio of the radial ultrasonic vibration amplitude to the axial ultrasonic vibration amplitude in different driving voltages is smaller than or equal to a preset threshold value. The ultrasonic assistance of the broach which needs to be frequently clamped can be realized.

The invention provides an ultrasonic vibration auxiliary brazing device for a superhard abrasive formed grinding wheel and an operation method of the ultrasonic vibration auxiliary brazing device, the device comprises a motion control system, an ultrasonic vibration system, a high-frequency induction brazing system and a formed grinding wheel fixing device, and the formed grinding wheel to be brazed is fixed on the fixing device through a spring chuck. The motion control system is composed of a sliding block arranged on the movable guide rail and a motor controlling the sliding block to move and can control the vertical moving speed and direction of the sliding block on the guide rail. The ultrasonic vibration system comprises two ultrasonic vibration amplitude-change poles, a piezoelectric ceramic transducer and an external ultrasonic power supply, each piezoelectric ceramic ultrasonic amplitude-change pole can provide longitudinal vibration, and two-dimensional oval ultrasonic vibration in the brazing process is achieved through synthesis of the longitudinal vibration in the two vertical directions; the motion control system drives the brazing head to move up and down according to the brazing progress, and cooling water circulates in an induction coil of the brazing head. The problems that in the brazing process of the formed grinding tool, brazing filler metal distribution is not uniform, the machining quality is low, the brazing temperature is too concentrated, and the metallurgical reaction is serious in the process are solved.

The invention discloses a multi-degree-of-freedom ultrasonic-assisted laser cladding remanufacturing device and a working method thereof, and belongs to the field of laser cladding. Comprising a workbench, a to-be-machined workpiece arranged at the top end of the workbench through a positioning mechanism, a laser cladding mechanism erected above the to-be-machined workpiece and focusing type ultrasonic vibration mechanisms symmetrically arranged on the two sides of the laser cladding mechanism through a multi-degree-of-freedom variable-angle clamping mechanism. And focused ultrasound emitted by the focused ultrasonic vibration mechanism is aligned with a cladding area of the laser cladding mechanism. By adopting the multi-degree-of-freedom ultrasonic-assisted laser cladding remanufacturing device and the working method thereof, high-strength focusing of ultrasonic waves is realized through a multi-stage focusing method, and ultrasonic vibration can be uniformly applied during laser irradiation, so that the defects of cracks, air holes and the like are effectively reduced, and the processing quality and efficiency of laser cladding remanufacturing are improved.

The invention provides a broken rock mass roof cutting pressure relief method based on ultrasonic vibration excitation, which comprises the following steps of: 1, determining data of a working face roof and a coal seam according to the geological condition of a coal mine working face; 2, a target rock stratum is determined, and the ultrasonic vibration crushing range is determined; 3, the inherent frequency of the rock at the top cutting position is measured; 4, upward drilling is conducted on a top plate of the to-be-tunneled coal seam according to a preset angle; 5, an ultrasonic excitation device is placed in the pressure relief drill hole and fixed; 6, under the combined action of ultrasonic excitation and impact load, tiny cracks on the surface of the target rock stratum continuously develop and rapidly expand and penetrate through; and seventhly, ultrasonic vibration treatment is conducted on the preset pressure relief drill holes for multiple times. According to the method for top cutting and pressure relief of the fractured rock mass based on ultrasonic vibration excitation, the pressure relief range is large, and the problems that the stress of a top plate above an untunneled coal seam is too large, and a hydraulic support cannot be normally pushed forwards can be effectively solved.

The invention discloses an ultrasonic vibration thermal aging treatment method and a high-performance aluminum-magnesium-silicon alloy material. Firstly, solution treatment and water-cooling quenching are carried out at the temperature of 555 DEG C, and then coupling treatment of ultrasonic vibration and thermal aging is carried out at the temperature of 150 DEG C; and under the combined action of ultrasonic vibration and a temperature field, precipitation of a beta ''phase is remarkably accelerated, proliferation and movement of dislocation are improved, grain refinement and microstructure optimization are promoted, and comprehensive improvement of the comprehensive mechanical property of the 6082 aluminum alloy is achieved within short aging. After the obtained high-performance 6082 aluminum alloy is treated for 1-3 hours, the hardness is improved to 120-125 HV, and the tensile strength is improved to 320-330 MPa. The ultrasonic aging vibration device comprises an ultrasonic generator, a transducer, an amplitude-change pole, a drying box, a fixed base and a fixed frame, efficient transmission of ultrasonic energy and stable vibration are ensured, and therefore the comprehensive mechanical property and machining quality of 6082 aluminum alloy are remarkably improved.

The invention belongs to the technical field of liquid metal coating and infiltration in grinding machining, and particularly relates to a temperature-control ultrasonic composite liquid gallium auxiliary grinding device and method for a micro engine blade, and the device comprises a fluid conveying module, a temperature adjusting module, a machining module, an ultrasonic vibration module and an electromagnetic field generator. Temperature control of liquid gallium is achieved by arranging a microwave cavity and a cooling system, stable supply is guaranteed through inert gas and a liquid gallium conveying pipeline, and uniform coating and ultrasonic vibration infiltration on the surface of the blade of the micro engine are achieved by combining an ultrasonic transduction assembly and a spraying nozzle. The electromagnetic field generator further enhances the adhesion and lubrication effects of the liquid gallium on the grinding wheel and the blades. The defects of insufficient grinding temperature control and lubrication of a traditional grinding wheel are overcome, the grinding temperature rise and the friction coefficient are effectively reduced, thermal damage and surface deformation are avoided, and the machining precision and the surface quality of complex curved surfaces and tenon tooth parts are improved.

The invention relates to a cable joint resonance real-time diagnosis method and device and a medium, and belongs to the technical field of power equipment state monitoring, and the method comprises the following steps: obtaining a high-frequency current signal collected by a high-frequency current sensor and an ultrasonic vibration signal collected by an ultrasonic sensor array; performing signal synchronization on the high-frequency current signal and the ultrasonic vibration signal, and extracting a high-frequency current feature and an ultrasonic array feature; calculating a dominant frequency synchronization index, a normalized phase stability index and a nonlinear coupling index based on the high-frequency current characteristics and the ultrasonic array characteristics, and performing weighted summation to determine a fusion confidence coefficient function; and judging whether resonance exists or not based on the fusion confidence coefficient function, and if so, carrying out resonance source positioning. Compared with the prior art, the method has the advantages of high precision, low false alarm and high adaptability, and is suitable for key power system scenes such as new energy grid connection, urban smart power grids and wind power.

The invention relates to the technical field of laser processing, in particular to multi-axis ultrafast laser and ultrasonic combined processing equipment. The five-axis linkage machining equipment is used for simultaneously or independently moving in five different axial directions of an X axis, a Y axis, a Z axis, an A axis and a B axis, and a workpiece to be machined is clamped on the workbench; the laser generator is mounted on a cross beam of the five-axis linkage processing equipment; the ultrasonic vibration main shaft is mounted on a Z-axis mounting seat in the five-axis linkage machining equipment; the four-axis small motion platform is mounted on a Z-axis mounting seat in the five-axis linkage machining equipment and is used for accurately adjusting the spatial position of the galvanometer and the rotating angle of a laser beam, so that the four-axis small motion platform and the ultrasonic vibration main shaft cutter form combined machining with different laser incident angles; the three-dimensional scanner is used for obtaining the six-degree-of-freedom point cloud model of the workpiece to be machined. A three-dimensional scanner, a galvanometer and an ultrasonic vibration main shaft are integrated in five-axis linkage machining equipment, so that the equipment compactness and the operation convenience are improved; therefore, the ultra-fast laser is suitable for hard light path transmission.

The invention discloses an LPBF additive manufacturing system and method based on ultrasonic vibration and laser remelting, and the system comprises a control device which is used for setting process parameters and a process route, generating a user input parameter instruction, and transmitting the user input parameter instruction to a motion control card; the mechanical device is used for controlling the lifting of the powder cylinder and the working cylinder through a driving device and controlling the cyclic operation of powder feeding and returning of the scraper; the laser device is used for completing laser remelting under the assistance of ultrasonic vibration; the ultrasonic device is used for transmitting ultrasonic waves to a workpiece on the sintering disc through an ultrasonic concentrator and carrying out ultrasonic vibration assistance; the dust removal and passivation device is used for filtering micro powder generated in the laser cladding process, oxidizing the outer surface of the metal micro powder and passivating the metal micro powder; and the atmosphere device adopts argon as atmosphere gas. According to the method, ultrasonic vibration after powder laying and ultrasonic vibration assisted laser remelting are achieved in the LPBF process, the defects existing in the traditional LPBF process are overcome, and a novel and effective technology is provided for additive manufacturing.

The invention discloses a device and a method for chemically and mechanically polishing a diamond substrate under the assistance of double modified multi-energy fields. By means of energy application and ultrasonic cavitation of ultrasonic vibration to a polishing solution and dual modification of strong ultraviolet light to a polishing disc and a diamond substrate, on the premise that the surface quality of polished diamond is guaranteed, the removal rate of a diamond polishing material is increased by increasing the mechanical removal rate, and the surface quality of the polished diamond is guaranteed. The problem that the chemical mechanical polishing material removal rate of the diamond substrate is low is solved. In the machining process, a polishing solution circulating system keeps that a polishing solution infiltrates a diamond substrate, the surfaces of the diamond and a polishing disc are subjected to oxidation modification, and an oxidation layer on the surface of the diamond is removed under the coupling action of ultrasonic, photocatalytic oxidation, electrochemical corrosion and mechanical grinding and polishing removal. Double modification of the diamond substrate and the polishing disc is achieved, the oxidation rate and the mechanical removal rate of the diamond substrate are increased, and the material removal rate and the polishing quality are improved.

The invention belongs to the field of silicon-carbon negative electrode material manufacturing, and particularly relates to a preparation method of a vapor deposition silicon-carbon material based on supercritical carrier gas. The method comprises the following steps: carrying out vacuum degassing on a porous carbon material in a heating state, then taking supercritical gas as carrier gas, assisting with ultrasonic vibration, introducing silicon-containing gas to carry out silicon deposition, and repeatedly carrying out operation until the required silicon content is reached; and finally, introducing a carbon source gas for carbon coating to obtain the silicon-carbon composite material with the core-shell structure. According to the preparation method, uniform deposition of silicon in a porous carbon skeleton is realized through silane vapor deposition with supercritical fluid as carrier gas under the assistance of ultrasonic vibration, the first coulombic efficiency is improved, stress concentration and volume expansion in the charging and discharging process are reduced, and the cycling stability is improved.

The invention discloses a film strength detection method and related equipment, and the method comprises the steps: carrying out the multi-angle broadband scanning sampling of the whole process of an incident light beam penetrating through a lens, recording the transmission light intensity, group phase and scattering power, and generating a reference transmission spectrum matrix; applying low-amplitude periodic ultrasonic vibration disturbance to the lens according to the reference matrix, synchronously obtaining a transmission spectrum time change curve, and performing time domain analysis to obtain a stress response characteristic matrix; determining a detection path by integrating the two matrixes, performing incremental load scratch disturbance along the path, recording data of transmission light intensity and scattering power changing along with the load in real time, and forming a critical damage response data set; performing fine grid transmission light scanning on the scratch and the neighborhood, acquiring multi-angle scattering distribution, and constructing optical characteristic distribution data; and performing multi-dimensional analysis on the data, and outputting a result. According to the scheme, early-stage accurate identification and evaluation of microcracks in a lens film layer and interface hidden defects are realized, and the use reliability of the lens is improved.

The invention belongs to the technical field of robots, and particularly relates to a ground self-walking detection robot for detecting a deeply-buried pipeline, which comprises a robot dog main body, and the robot dog main body is provided with a left mechanical front leg, a right mechanical front leg, a left mechanical rear leg and a right mechanical rear leg. And mounting grooves are formed in the bottoms of the left mechanical front leg and the left mechanical rear leg. The robot dog can automatically walk on the ground and stably detect the buried pipeline, the situation that a detection instrument is damaged due to the fact that the robot dog inclines and topples over is effectively avoided, airflow can be used for assisting the insulation soil insertion cone to be smoothly inserted into soil, meanwhile, pipeline leakage is detected in the gas supply process, and by means of ultrasonic vibration and the airflow effect, the detection accuracy is improved. The insertion smoothness of the insulation soil insertion cone is further improved, the efficiency, accuracy and safety of buried pipeline detection are comprehensively improved, and the smooth proceeding of the detection work is guaranteed.

The invention belongs to the technical field of hard and brittle crystal material micropore machining, and particularly relates to an ultra-precision micropore multi-energy field coupling machining method and system.The method comprises the steps that the laser pulse frequency and power are set according to the workpiece material type and the micropore depth-diameter ratio, and a laser focus is positioned at the inner hole bottom of a workpiece; a modified structure extending in the axial direction of a hole is formed by controlling matching of a light spot and a hole diameter and the movement track of the light spot, in the machining process, a plasma nozzle and laser coaxially move, a modified area is removed in real time, a heat affected zone and the hole shape taper are restrained, meanwhile, vibration is applied to a workpiece through an axial ultrasonic vibration device, and machining precision is improved. And chip discharge is promoted, and stress and crack generation are reduced. The problems of serious thermal damage, poor hole shape precision, low machining efficiency and high energy consumption in the micropore machining process in the prior art are solved, and high-quality and high-precision machining of the high-depth-diameter-ratio micropore of the hard and brittle transparent crystal material is achieved.

The utility model discloses an ultrasonic composite magnetic field auxiliary polishing device, and belongs to the field of precision machining of curved surfaces of complex structures. The device comprises a six-axis precision machine tool, an electric spindle, an ultrasonic vibration device, a multi-magnetic-pole coupling polishing device, a workpiece, a connecting clamping device and an industrial control host, the electric spindle is clamped on an A-axis indexing table of the machine tool, the ultrasonic vibration device is installed at the tail end of the electric spindle, and the multi-magnetic-pole coupling polishing device is installed at the lower end of the ultrasonic vibration device through a connecting sleeve. According to the types of magnetic poles, the multi-magnetic-pole coupling polishing device is divided into a permanent magnetic pole polishing device, an electromagnetic pole polishing device and a mixed magnetic pole polishing device. The industrial control host controls all the modules to achieve cooperative movement, the multi-magnetic-pole coupling polishing device generates a coupling rotating magnetic field, the ultrasonic vibration device enhances relative movement between the surface of a workpiece and a polishing medium, and the polishing consistency and the machining quality of a complex structure curved surface are improved.