7447 results about "Gear drive" patented technology

The invention discloses a steel structure welding guiding and positioning device, which relates to the technical field of steel structure processing, and comprises a main body supporting frame, a workpiece dynamic limiting and conveying unit and a self-centering clamping and welding module, and is matched with a guiding and feeding mechanism, a self-adaptive reducing connecting cabin and a multi-dimensional self-adaptive welding gun executing mechanism to realize integrated welding and positioning. The main body frame serves as a bearing foundation, the guide feeding mechanism drives guide rollers to stably feed through meshing transmission, the stability is improved through a surface pattern sleeve, the dynamic limiting unit forms bidirectional limiting through an adjusting screw, a cross connecting rod and a driving limiting shaft rod and is adaptive to different workpieces, and the self-centering clamping module adjusts the distance through gear transmission. A profiling clamping jaw is matched with a spring to achieve self-adaptive clamping, an anti-vibration pad protects a workpiece, a self-adaptive connecting cabin adjusts the height of a welding gun, a multi-dimensional welding gun mechanism achieves accurate alignment in the X direction and the Z direction, all parts of the device are in cooperative linkage, the welding positioning accuracy and adaptability are improved, and the welding quality of a steel structure is guaranteed.

The invention relates to a machine vision-based meshing precision measurement calibration method for a gear transmission system, and belongs to the technical field of calibration workpieces. The method comprises the following steps: extracting a gradient direction of a contact edge point in an image, analyzing a direction change trend, removing a mutation point, and constructing an edge direction paragraph sequence; positioning a tooth profile contour intersection point according to the sequence, analyzing longitudinal coordinate fluctuation, and identifying an axial dislocation structure; comparing the actual tooth crest contour with a standard path, extracting the direction and length of a difference section, and generating an adjustment direction mark group; converting the direction mark into a fine adjustment angle sequence, collecting an image and identifying a direction stable section; and finally, dividing image sub-blocks, analyzing the curvature direction of a spliced boundary, identifying curvature mutation points and establishing a calibration scheme. According to the method, the integrity of gear meshing area structure recognition and the continuity of an image sequence are effectively improved, high-sensitivity axial dislocation detection and accurate direction guiding fine adjustment are achieved, the curvature sudden change recognition and multi-dimensional error response capability is enhanced, the engineering practicability and the automation level are high, and the method is suitable for large-scale popularization and application. The method is suitable for metering calibration and quality control of a high-precision gear transmission system.

The invention discloses a gear coding error dynamic compensation method based on multi-sensor phase difference fusion, which belongs to the field of mechanical transmission, and comprises the following steps of: cooperatively acquiring gear phase information through a Hall sensor and a photoelectric sensor, and calculating phase difference data; constructing a rotating speed, temperature and load three-dimensional topology error space; training an error prediction model based on a seven-layer long-short-term memory network; a self-adaptive compensation strategy is executed, and when the error is larger than 0.1 degree, the driving rotating speed is increased; implementing closed-loop feedback control, and triggering model self-calibration when a difference value between an actual error and a predicted error is greater than 0.16 degree; a transfer learning mechanism is introduced, the bottom-layer feature extraction capability is reserved, and only upper-layer parameters are updated; the system state monitoring and collaborative optimization are realized, the working mode and resource allocation are dynamically adjusted, the precision and stability of the gear transmission system are remarkably improved, and the method has wide engineering application value.

The invention discloses a variable-structure water-air amphibious robot and a motion control method. The robot comprises a water-air amphibious robot body, a variable-structure wing system and an electric control system. The robot body comprises a sealed cabin, a propeller fixing assembly, a fluid shell and a variable support tail cover. The variable-structure wing system comprises a driving gear transmission assembly, a two-section folding wing and a wing folding linkage assembly; the electric control system comprises a control core element, a visual module, a power supply module, a GPS module and an underwater depthometer module which are arranged in the cabin body; the motion control method is based on a deep reinforcement learning control method, control generalization ability is enhanced through teacher and student strategies and random domain, and the motion control method has more advantages in scenes such as inaccurate modeling and large external disturbance change. The structure of the variable-structure water-air amphibious robot integrates the structures of a rotorcraft, a fixed-wing aircraft, an underwater robot and the like, the modes of the wings can be switched, and efficient movement operation of the water-air amphibious robot is achieved.

The invention discloses a gear service life prediction method based on a lubrication-vibration coupling model and a related device, and relates to the technical field of gear service life prediction.The method comprises the steps that firstly, according to gear transmission input data, a three-dimensional mixed lubrication model containing a Reynolds equation coupling solving system is established, and meanwhile system excitation is calculated; then the oil film and the meshing rigidity are connected in parallel to form comprehensive rigidity, a bending-torsion coupling kinetic equation containing torsion and transverse freedom degrees is established, and a lubrication-vibration coupling model is constructed; finally, by means of coupling model output, the lubrication state is evaluated, the vibration characteristic is optimized, and the fatigue and abrasion life is predicted. According to the method, the three-dimensional mixed lubrication model and the system excitation calculation and coupling dynamics model are integrated, the lubrication and vibration coupling effect is considered, the limitation of independent analysis is overcome, the evaluation precision is improved, gear parameter optimization, lubrication scheme making and fault diagnosis can be guided, and the method has engineering application value.

The utility model discloses a meat cutting module and a cutting machine, and belongs to the technical field of household appliances. The meat cutting module comprises a meat cutting container, a meat cutting food material guide-in piece, a meat cutting structure and a gear box, the meat cutting structure is arranged in the meat cutting container and comprises a knife comb part and a chopping block part, and each comb tooth assembly comprises a comb tooth shaft rod and a plurality of comb teeth which are slidably hung on the comb tooth shaft rod; each group of knife and chopping block assembly comprises a knife and chopping block shaft lever and a plurality of blades connected to the knife and chopping block shaft lever in a sliding manner, and each comb tooth is arranged between two adjacent blades; the gear box comprises a gear transmission shaft, a gear set and an output part. According to the meat cutting module, the distance between the blades and the cutter comb can be adjusted.

The invention discloses an automatic voltage regulating device for a power distribution area and a control method of the automatic voltage regulating device, and belongs to the technical field of power distribution network voltage treatment. The device comprises a three-phase power supply, a power supply side input circuit, a load side output circuit, a current transformer, a single-P air switch, a power supply conversion module, a three-phase independent voltage regulation module, a main path control system, an automatic bypass control system, a gear driving module, a man-machine interaction module, a display module, a monitoring module, a mode switching module, a parameter storage module and an alarm module. The system comprises a manual adjustment execution module, a counting module, a voltage detection module, a current detection module, a 4G communication module and an over-temperature protection module. A main circuit control system depends on input and output voltage data fed back by a voltage detection module, compensation voltage U can be independently calculated for differential voltage fluctuation of L1, L2 and L3 phases, intelligent adjusting switches of all phases are driven to act accurately, and finally three-phase output voltage U2 is stabilized within an allowable range.

The invention relates to the technical field of food kelp processing, and provides efficient air-drying equipment and method for kelp production, the efficient air-drying equipment comprises a hot air circulation bin, a circulation moving mechanism, a hanging module, an unhooking module and an air-drying frame, the circulation moving mechanism comprises a driving part, a transmission shaft, a gear and a transmission belt, and the gear is fixedly arranged on the surface of the transmission shaft; the driving part is used for controlling the transmission shaft to rotate, the inner side of the transmission belt is in transmission connection with the gear, the hanging module comprises a hook, inclined faces and a movable pin, the movable pin is fixedly connected to a hook body of the hook, the inclined faces inclining towards the component are arranged on the two sides of a hook groove of the hook, and the hook is used for hanging rope rings for binding kelp. The unhooking module comprises a limiting frame and a telescopic air cylinder, the telescopic air cylinder is arranged between the air drying frame and the limiting frame, and a hook body of the hook can make contact with the limiting frame, so that smooth unhooking is guaranteed, and the function of automatically collecting the dried kelp is achieved.

The invention relates to the technical field of angle measurement, in particular to an angle measurement device. The device comprises a gear transmission mechanism, an angle detection mechanism and two anti-backlash mechanisms, the gear transmission mechanism comprises a driving gear and two follow-up gears; the angle detection mechanism comprises two follow-up end angle sensors. According to the angle measuring device provided by the invention, before the driving gear is started, the two anti-backlash mechanisms apply pre-tightening torques in opposite directions to the two follow-up gears respectively, so that the two follow-up gears are in contact with the left side tooth surface and the right side tooth surface of the driving gear respectively, and then the backlash in the tooth side when the driving gear is started in the forward direction and the reverse direction is eliminated; therefore, a bidirectional transmission preparation state without return stroke errors is realized. Therefore, the problems that due to the fact that a certain gear backlash is reserved between meshing gears, power can be transmitted to the output end only after the gear backlash is eliminated, and time delay and angle deviation are generated on signals detected by an angle sensor are solved.

The utility model relates to the technical field of coated asphalt production, in particular to a reaction kettle for heating high-soft-point coated asphalt, which comprises a kettle cover body, a reaction kettle body, a middle stirring shaft and an auxiliary stirring frame, the middle stirring shaft and the auxiliary stirring frame are mounted in the reaction kettle body, a planetary gear driving device is arranged at the upper end of the kettle cover body, and a driving motor is arranged at the upper end of the planetary gear driving device. And the driving motor is connected with the middle stirring shaft and can drive the middle stirring shaft to rotate. The stirring device is reasonable and compact in structure and convenient to use, the auxiliary stirring frame is driven by the planetary gear driving device to rotate, so that asphalt adhered to the side wall is effectively cleaned by the side scraping plate, and the effect of stirring mixed materials can be achieved; the auxiliary frame stirring blades on the auxiliary stirring frame and the middle shaft stirring blades of the middle stirring shaft are alternately distributed and form differential rotation, so that the stirring effect is effectively improved, materials at the bottom of the reaction kettle body are fully stirred through the lower scraping plate, the materials are prevented from sinking to the bottom, and the reaction kettle has the characteristics of high stirring efficiency, good stirring effect, simplicity, convenience, reliability and high efficiency.

The utility model relates to the technical field of nail polish, and discloses a nail polish bottle cap screwing device which comprises a base, a mounting groove and a mounting plate. By arranging the base, the mounting groove, the mounting plate, the hydraulic rod, the fixing device, the rotating mechanism, the clamping mechanism and the vertical rod, firstly, a bottle body is mounted on the fixing mechanism, the fixing device is opened, a top transmission wheel drives a lead screw to rotate, the lead screw drives the fixing plate to move through threaded connection, and the bottle body is fixed through the fixing plate; a bottle cap is installed on a clamping mechanism, the bottle cap is clamped through a moving plate, a rotating mechanism is opened, a front side gear drives a transmission frame to rotate, the transmission frame drives the bottle cap to rotate, a hydraulic rod is opened, the hydraulic rod drives the bottle cap to move, and the bottle cap is screwed to a bottle body. And when the bottle cap is manually screwed for a long time, hands are tired, so that the production efficiency is reduced.

A multi-stage synchronous driving mechanism and an electric toy are provided. The electric toy includes a multi-stage synchronous driving mechanism. In terms of the multi-stage synchronous driving mechanism, on one hand, by means of engagement between a sun gear and a planetary gear, all execution units are ensured to rotate synchronously based on a preset proportion, thereby greatly improving consistency and accuracy of motion among execution units. Further, torque of a motor can be transferred to the sun gear by using the gear transmission component, and a single sun gear can drive a plurality of planetary gears to rotate at the same time, so that the plurality of execution units rotate relative to a support without using a plurality of transmission structures or a plurality of transmission shafts. In this way, the present disclosure may have excellent structural flexibility and lower manufacturing costs.

The invention relates to the field of mobile robots, in particular to a four-wheel omni-directional robot chassis navigation control device and method.The four-wheel omni-directional robot chassis navigation control device comprises a chassis structure and a driving system, a radar and a mechanical arm are arranged on the chassis structure, and omni-directional wheels are installed in the centers of the four side walls of the chassis structure; the axes of the omni-directional wheels are parallel to the edge of the chassis structure, the axes of the adjacent omni-directional wheels are perpendicular to each other, the diagonal direction of the chassis structure serves as the advancing direction of the robot, the advancing direction of the omni-directional wheels and the overall advancing direction of the chassis structure form an included angle of 45 degrees, and the driving system comprises four motors with Hall encoders. The four motors independently drive the independent omnidirectional wheels, the upper computer and the lower computer conduct instruction issuing and state feedback through UART serial port communication, and the problems that at the present stage, steering is conducted by depending on steering engine driving or positioning is conducted through a single sensor, the structure is complex, the anti-interference capacity is limited, and operation is complex are solved. And high precision is difficult to maintain in a dynamic environment.

The invention discloses a wafer clamping mechanism, and belongs to the technical field of semiconductor manufacturing equipment. The wafer clamping mechanism comprises an external clamping mechanism, an internal clamping mechanism and a wafer rotating and transferring mechanism. The internal clamping mechanism integrates four motion functions of lifting, deflection, pitching and rotation. Wherein the gear driving motor drives the L-shaped connecting rod shaft to axially move through a gear rack pair, and then the movement is converted into the swing of the rotating shaft through the connecting rod mechanism, so that the pitching adjustment of the suction cup is realized; the deflection motor drives the overturning shaft through the synchronous belt to achieve deflection movement of the suction cup. The rotating motor directly drives the suction cup to rotate, and the Z-axis moving module achieves accurate positioning in the vertical direction. The external clamping mechanism is responsible for bearing and horizontally rotating the wafer, and the rotary transfer mechanism realizes automatic transfer of the wafer among different stations. According to the invention, the problems of function splitting, low space utilization rate and insufficient clamping stability in the prior art are solved, and multi-degree-of-freedom precise posture adjustment of the wafer can be synchronously realized.

The invention relates to the technical field of precision transmission, and discloses an impact resistance design method for a harmonic gear transmission mechanism, which is used for constructing an impact performance evaluation model by analyzing an impact force change rule in an engaging impact process. The method comprises the following steps: firstly, establishing a harmonic gear transmission impact model based on an improved kinematics method, calculating a contact force when a flexible gear is engaged with a rigid gear based on a Hertz contact theory and an elastic thin plate theory, solving a hysteresis damping coefficient in a collision process by combining a Hunt-Crossley hysteresis model with a damping coefficient and an energy conservation law, and calculating a harmonic gear transmission impact model according to the hysteresis damping coefficient. According to the method, a harmonic gear transmission collision process impact force model is established, an engaging-in impact force and impact duration conforming to a Hunt-Crossley hysteresis loop are obtained, an impact slow release index (IRI) is constructed, and the impact resistance of a harmonic gear transmission mechanism is evaluated. Through a transient dynamics analysis method, the accuracy of a theoretical impact model calculation method is verified. The method can effectively predict the shock resistance of the harmonic reducer, and provides a theoretical basis for the flexible gear profile design of the harmonic reducer.

The invention discloses a double-shaft tracking device, a double-shaft tracking support and a photovoltaic street lamp, the double-shaft tracking device comprises a base bottom plate, a pitch angle adjusting assembly, an azimuth angle adjusting assembly and a rotation supporting assembly, the pitch angle adjusting assembly comprises a first driving mechanism, a first turbine, a first connecting rod shaft and a gear transmission mechanism; the azimuth angle adjusting assembly comprises a second driving mechanism, a second turbine and a second connecting rod shaft; the first driving mechanism is used for driving the first turbine to rotate, the first turbine is connected with one end of the first connecting rod shaft, the other end of the first connecting rod shaft is connected with the gear transmission mechanism, and the gear transmission mechanism is connected with the rotary supporting assembly; the second driving mechanism is used for driving the second turbine to rotate, the second turbine is connected with one end of the second connecting rod shaft, and the other end of the second connecting rod shaft is connected with the rotating supporting assembly; the first connecting rod shaft penetrates through the second connecting rod shaft; the device is compact in structure in the height direction and high in space utilization rate.

The utility model relates to the technical field of sockets, in particular to a desktop lifting socket, which comprises a cylindrical base embedded and fixed in a desk hole, and a socket body provided with at least one socket unit, the outer wall of the cylindrical base is in threaded connection with a locking ring, and the locking ring is used for clamping the cylindrical base on the table hole; the socket body is slidably mounted on the cylindrical base, and the inner wall of the cylindrical base is fixedly connected with a vertically arranged rack; a driving assembly is arranged in the lower end part of the socket body, and the driving assembly comprises a driving motor and a driving gear driven by the driving motor; the driving gear is engaged with the rack, and the driving motor drives the driving gear to rotate forwards and backwards, so that the socket body ascends or descends relative to the cylindrical base. The scheme has the advantages of convenience in operation, simple structure, safety and reliability.

This invention discloses a photoelectrocatalytic degradation device for gaseous pollutants, relating to the field of pollutant treatment technology. It includes a treatment box with four partitions fixedly installed inside. Between each pair of adjacent partitions, a pollutant degradation structure is provided. Each pollutant degradation structure includes four filter cartridges and five linear light sources (secondary). Each of the four filter cartridges contains a linear light source (primary). A U-shaped frame is fixedly installed on the outside of each of the four filter cartridges, and a sponge block is fixedly installed on the outside of the U-shaped frame. Gear transmission components are provided on one side of each of the three pollutant degradation structures. By controlling the drive motor, the three pollutant degradation structures can be cleaned under the transmission of the gear transmission components, reducing impurities adhering to the outside of the four filter cartridges, the four linear light sources (primary), and the five linear light sources (secondary), thus reducing the labor costs required for maintenance of the photoelectrocatalytic degradation device.

This invention discloses a fastener heat treatment apparatus and method, belonging to the field of fastener heat treatment technology. It includes a frame with a fastener conveying assembly embedded inside. The fastener conveying assembly includes a conveyor belt for conveying fasteners, and multiple fastener conveying grooves are formed on the conveying surface of the conveyor belt. In this invention, a driven gear drives a fastener turning roller to rotate within the fastener conveying grooves, thus causing the fasteners to turn. This ensures relatively uniform heating of all parts of the fasteners during heat treatment, guaranteeing the quality of the fasteners after heat treatment. Compared with existing technologies, this invention enables uniform heating during the heating process, improves the processing quality of the entire batch of fasteners, reduces heat energy waste, and prevents oxidation of fasteners during the heat treatment process. This lays the foundation for improving the performance of fasteners after heat treatment and can also reduce the consumption of inert gas to a certain extent, thus reducing the cost of fastener heat treatment.

The glass tempering furnace comprises a supporting frame, a first conveying frame and a second conveying frame are fixedly mounted on the two sides of the top of the supporting frame, and conveying rollers are rotationally connected to the inner sides of the first conveying frame and the second conveying frame at equal intervals in a linear arrangement mode; during the application period of the equipment, a lead screw is driven by a driving motor to rotate, so that an inverted-T-shaped sliding block moves linearly along a rail frame, a cleaning ring is driven by gear transmission to rotate in an annular rail, and dynamic brushing and cleaning of a cleaning brush on the surface of a conveying roller are achieved; transverse movement and autorotation of the cleaning ring are conducted synchronously, cleaning can be started in real time after glass is not conveyed to the conveying roller or moved out, shutdown is not needed, and compared with traditional manual cleaning, dust and chippings on the surface of the conveying roller can be continuously removed in the equipment operation process, secondary pollution of the glass is avoided, and the residual quantity of impurities is remarkably reduced; and the toughened glass surface quality and the finished product qualification rate are improved.

The invention discloses a winding drum rope arranging device which comprises a winding drum base, a winding drum, a gear transmission mechanism, a lead screw, a swing roller assembly, a convex shaft and a reversing assembly. The reversing assembly comprises a power assembly and a reversing clutch assembly. The gear transmission mechanism and the lead screw convert rotary motion of the winding drum into linear motion of the swing roller assembly, so that the winding drum moves along with the rope coiling position. When the winding drum is full of one layer, the swing roller assembly reaches the limit deviation position to drive the protruding shaft to rotate, the power assembly amplifies the rotation angle and conducts one-way transmission, and the reversing clutch assembly changes the rotation direction of the lead screw to achieve reversing. A pure mechanical structure is adopted, a sensor and an electric control system are not needed, reliability is high, and cost is low; the swing roller assembly reduces abrasion of the steel wire rope and limits the support to guarantee accurate movement; rope arrangement synchronization is achieved through the transmission ratio design, the reversing assembly has the precise reversing function and the torque protection function, the rope disorder and rope sinking phenomena can be effectively avoided, and the service life of the steel wire rope is prolonged.

The invention discloses a steel structural member displacement welding machine assembly, and relates to the technical field of steel structural member welding, the steel structural member displacement welding machine assembly comprises a track seat, two U-shaped supporting seats distributed left and right are arranged on the track seat, C-shaped sliding frames are rotatably connected to the U-shaped supporting seats through gear transmission mechanisms, and reinforcing parts are arranged on the C-shaped sliding frames; a feeding driving piece and a locking piece are arranged on the inverted-L-shaped frame, and a damping piece and a rotating driving piece are arranged on the feeding driving piece. The clamping device has the advantages that through cooperation of the C-shaped sliding frame, the clamping part and the reinforcing part, a workpiece to be machined is limited and clamped, the positions of the clamping part and the workpiece to be machined are locked, and the clamping stability of the C-shaped sliding frame and the clamping part is improved; the workpiece to be machined is clamped in a surrounding mode from the longitudinal dimension and the transverse dimension, and the clamping stability is further improved; and the damping effect of the damping piece is matched with rigid supporting and clamping of the C-shaped sliding frame and the clamping part, the stability during welding machining is improved, and then the welding quality is improved.

The hydraulic support roof beam maintenance press machine comprises a frame, a first pressure unit and a second pressure unit are arranged at the bottom of the frame, a first rotating driving part and a plurality of groups of pressing wheels are arranged on the first pressure unit, a fixed plate is arranged at the bottom of the second pressure unit, a plurality of pressing blocks are arranged on one side of the fixed plate at intervals, a second rotating driving part is arranged on the second pressure unit, a transmission gear is drivingly connected to the rotating output end of the second rotating driving part, a knocking block is eccentrically arranged on the transmission gear, the second rotating driving part can drive the transmission gear to rotate, so that the pressing blocks can be close to the fixed plate, and the fixed plate and the pressing blocks constitute a double-side pressure shaping structure of the hydraulic support roof beam side plate. The hydraulic support roof beam maintenance press machine is favorable for solving the problems that some existing press machines are fixed and difficult to break through the site limitation, and the maintenance of the hydraulic support roof beam side plate is time-consuming and laborious.

The landing chassis structure of the surveying unmanned aerial vehicle comprises an installation base, an unmanned aerial vehicle body is connected to the top of the installation base in an inserted mode, and supporting rods are fixedly connected to the front sides and the rear sides of the left side wall and the right side wall of the installation base. Top plates are arranged on the left side and the right side of the lower portion of the mounting base, connecting bases are fixedly connected to the front sides and the rear sides of the tops of the top plates on the left side and the right side, and the connecting bases on the left side and the right side are fixedly connected with the supporting rods on the left side and the right side; the unmanned aerial vehicle connecting mechanism comprises a mounting bin, a gear driven screw rod, a threaded sleeve, a mounting plate, a clamping tenon and a gear driving rod, the landing chassis structure for surveying the unmanned aerial vehicle is reasonable in structural design, the unmanned aerial vehicle can be quickly and conveniently mounted on the landing chassis, time and labor are saved, and the buffering performance of the landing chassis on landing impact force can be effectively improved; and the landing stability of the unmanned aerial vehicle is improved.

A Czochralski round silicon core growth furnace, comprising a furnace body, a pulling and rotating device, a multi-axis pulling disc device and a heat shield lifting device, wherein the furnace body comprises a main furnace chamber and an auxiliary furnace chamber, and the auxiliary furnace chamber is detachably connected to the main furnace chamber; the pulling and rotating device comprises a crystal pulling and lifting mechanism and a rotating mechanism; the multi-axis pulling disc device comprises a housing and a gear transmission mechanism located in the housing; the crystal pulling and lifting mechanism is connected to the housing; the rotating mechanism is connected to the gear transmission mechanism; the gear transmission mechanism is connected to a plurality of sets of seed crystals; and the heat shield lifting device comprises a lifting drive device and a perforated water-cooled jacket connected to the lifting drive device. The perforated water-cooled jacket is lifted by means of the lifting device to move up and down, and the auxiliary furnace chamber is detachably connected to the main furnace chamber, such that the function of cleaning ash without furnace shutdown is achieved, thereby effectively preventing impurities from falling, and ensuring the purity of a silicon melt.

The invention discloses a planetary gear dynamic characteristic prediction method. Comprising the following steps: carrying out a planetary gear dynamic transmission test on a real planetary gear test bed, carrying out dynamic modeling on a healthy planetary gear, describing the vibration of a planetary gear system by adopting a fixed coordinate system fixed on a gear ring, providing a dynamic characteristic type, responding to signal analysis, and carrying out dynamic transmission. Comparing and judging the result obtained by analyzing the response signal obtained by the test with the result obtained by analyzing the response signal, and establishing a planetary gear dynamic fault knowledge base system, so as to form digital-analog combination in the field of planetary gear transmission, which is beneficial for identifying the dynamic characteristics of planetary gear transmission. The prediction efficiency of the dynamic characteristics of the planet gear and the prediction precision in the field of fault identification are improved, and the accuracy of dynamic characteristic identification is improved through continuous test and model interaction. And a planetary gear transmission dynamic characteristic knowledge base system is established to realize rapid and accurate analysis of vibration signals captured in tests and projects.

The utility model discloses a milling multi-angle swing workbench structure, which relates to the technical field of milling, and comprises a bottom plate, the bottom of the outer wall of a cylindrical sleeve and the top of the outer wall of a sliding column are fixedly connected with a multi-position adjusting assembly, and the inner wall of a protective frame is movably connected with a vertical direction adjusting assembly. According to the milling multi-angle swing workbench structure, the angle of the workbench in the horizontal direction and the height from the workbench to the bottom plate can be adjusted through the multi-position adjusting assembly. The workbench is mainly driven by hydraulic pressure to ascend and descend and driven by gear transmission to rotate, machining of workpieces in different directions can be met, and the height adjustment of the workpieces can ensure the machining precision and avoid collision. And the angle of the workbench in the vertical direction can be rapidly adjusted through the vertical direction adjusting assembly. Transmission of the worm gear and the worm has self-locking performance. And the rotating force of the rotating shaft is transmitted to the connecting shaft through linkage of the bevel gears, so that the connecting shaft drives the workbench to rotate in the vertical direction through the two connecting plates, and the practicability is high.

The application provides a welding device for automobile plate stamping parts, which comprises a welding assembly, the welding assembly comprises a supporting table, a supporting frame and an ejection mechanism; the output shaft of a servo motor drives a gear to rotate on one of the outer gear rings, one of the outer gear rings drives the corresponding annular plate body to rotate, the annular plate body moves and clamps the automobile plate stamping part through the wave-shaped through hole and extrusion on the corresponding fixed positioning mechanism, the second hydraulic cylinder drives the mouth-shaped mounting plate, the servo motor, the gear and the two limiting clutches to move upward, when the gear moves on another outer gear ring, the mouth-shaped mounting plate drives one of the limiting clutches to mesh with one of the outer gear rings, so as to limit and fix the position of the corresponding annular plate body, the gear drives another outer gear ring to rotate, and the automobile plate stamping part is clamped through the repeated operation, so that the automobile plate stamping parts with different length and width sizes can be stably fixed, and the welding effect is improved.

A moveable and demountable workpiece processing bench includes a hollow mounting beam for mounting equipment, a workpiece processing tool releasably mounted on the mounting beam, a positioning arm which is mounted movably in a longitudinal direction inside the hollow mounting beam and which includes a workpiece stopper at an end distal from the workpiece processing tool, and a drive unit, mounted on the mounting beam. The drive unit includes displacement means configured to move the positioning arm to a desired position. The displacement means includes a gear drive, which engages in a rack of teeth on the positioning arm to move the positioning arm to a desired position; and a length control unit for controlling the displacement means. The length control unit includes a length gauge configured to measure the length Lmeasured from the workpiece stopper to a predetermined surface of the workpiece processing tool; and a wireless communication unit configured to at least receive information from a user-controlled device about a desired length of Lworkpiece from a first end of a workpiece to a processing position on the workpiece. The length control unit is further configured to position the workpiece stopper of the positioning arm at a desired length Lworkpiece from the workpiece processing tool, by moving the positioning arm until Lmeasured=Lworkpiece so that the workpiece can be processed at a desired length Lworkpiece from the first end of the workpiece when it rests against the workpiece stopper.

The invention belongs to the technical field of switchable glass production, and discloses a switchable glass defect detection and repair system based on AI vision. Comprising a hyperspectral camera, the hyperspectral camera is mounted on a mounting rack, and the mounting rack is fixedly connected to a bottom plate. By arranging the marking assembly, when a certain notch is marked, a first motor is started to drive a vertical cylinder and a marking pen to turn to the lower portion, electromagnets with the corresponding number are powered on, the electromagnets are powered on to generate magnetic force, the electromagnets can move in the direction of an iron block, the electromagnets drive jacking columns to move, and the jacking columns press jacking blocks to move through arc-shaped blocks; the ejection blocks are ejected out of the shell, the second motor is started to drive the first annular gear to rotate, the first annular gear drives the marking pen to rotate through the rotating plate, on the rotating track of the marking pen, the corresponding number of ejection blocks are in the ejection state, the track of the marking pen can be changed, different defects are marked, and only the different numbers of ejection blocks need to be ejected out. Therefore, the defects can be distinguished and marked.