23945 results about "Gear drive" patented technology

The invention belongs to the technical field of wind power generation, and discloses a wind driven generator multi-drive variable pitch control method based on big data, which comprises the following steps of: constructing a multi-source data acquisition network covering an environment, a unit, a power grid and a driver, and combining preprocessing means such as denoising and standardization and feature extraction methods such as principal component analysis; high-quality input is provided for a short-term prediction model; the model can accurately pre-judge wind conditions and power requirements in the future 10-30 minutes, and is matched with a global optimization algorithm to dynamically adjust a variable pitch strategy, so that the wind driven generator can still keep stable power output under complex working conditions of gust, power grid fluctuation and the like, and particularly has outstanding performance in areas with unstable wind resources. According to mechanical coupling characteristics of the multi-drive variable pitch system, mechanical parameters such as a gear transmission gap and shafting rigidity are fully included in global optimization, and power output, mechanical fatigue and load distribution are balanced through a multi-objective optimization algorithm.

The present invention relates to the technical field of pipeline control valves, and provides a fixed cone valve having automatic pressure adjustment and locking functions. The fixed cone valve having automatic pressure adjustment and locking functions comprises external fixed pipes; a supporting pipe is fixedly connected to the interiors of the external fixed pipes; a fixed frame is fixedly connected to the interior of the supporting pipe; a flow dividing cover is fixedly connected to one side of the fixed frame; and a fixed disc is fixedly connected to one side of the flow dividing cover. According to the fixed cone valve having automatic pressure adjustment and locking functions, a servo motor is started, an output end of the servo motor drives a third gear to rotate, the third gear drives a second gear in meshed connection with the third gear to rotate, and the second gear drives an inner ring gear and an outer ring gear which are in meshed connection with the second gear to rotate; and when the inner ring gear and the outer ring gear rotate to drive two first gears to rotate, and the first gears rotate to drive first lead screws to rotate, connecting plates located on the outer side and connected by means of a ball nut pair drive a sealing blocking pipe to horizontally move, so as to control the water outflow amount, achieving the accurate adjustment effect.

The invention provides a positioning device for accurate construction of a stand column pile and a positioning method of the positioning device, and relates to the technical field of building foundation construction.The positioning device comprises a pile casing, a reinforcement cage, the stand column pile and a latticed column, and the pile casing is provided with an accurate positioning assembly.According to the positioning device, an operator starts a transmission motor, and the output end of the transmission motor drives a gear to rotate; the gear drives the arc-shaped rack and the first limiting block to rotate, and due to rotation of the first limiting block, the first limiting block can drive the rotating rods to rotate in the first limiting block, so that the distance between the rotating rods can be adjusted, then the positioning plate is adjusted to a proper angle, the nut is tightened, and the positioning plate is fixed; and the stand column piles can be moved to the foundation pit through the first rolling wheels, precise positioning of the stand column piles with different diameters is achieved, and therefore the technical purpose of precise positioning of the stand column piles with different diameters is achieved.

The invention discloses a water quality monitoring device for water treatment, and belongs to the technical field of water quality monitoring, the water quality monitoring device comprises a main shell, and a plurality of stabilizing assemblies are arranged on the peripheral side of the main shell. According to the water quality monitoring device, by arranging the stabilizing assembly, the stability of the main shell on the water surface is improved, so that the main shell can stably float on the water surface at a fixed point and is prevented from moving along with water flow, and the accuracy and stability of water quality monitoring data are improved; a driving motor drives a stabilizing anchor to move upwards through a driving gear, a transmission gear, a linkage gear, a first connecting shaft, a first bevel gear, a second bevel gear, a second connecting shaft, a winding wheel and a cable, an electric push rod drives a sealing plug to be separated from an air leakage pipe, air in a floating air bag is discharged through the air leakage pipe, and then a propelling device is started to drive a main shell to move. The main shell drives the water monitor to move, so that the detection range of the water quality monitor is enlarged, and the monitoring efficiency of the water treatment tank is improved.

The invention belongs to the technical field of river channel interception, and discloses a composite fluid interception and purification device for river channel ecological restoration, which comprises mounting racks arranged on both sides of a river channel, and also comprises a collection assembly arranged on the mounting racks and used for gathering river channel garbage and aquatic plants. The device is installed in a river channel through the supporting assembly and the connecting assemblies, the two connecting assemblies form an included angle for guiding river channel garbage, the driving motor drives a second transmission gear and a third transmission rod to rotate, and a first transmission gear drives a magnetic chain, a first blocking net and a shifting plate to rotate; garbage is intercepted by a first blocking net under the action of water flow and conveyed into collecting assemblies to be stored through rotation of the first blocking net and a shifting plate, meanwhile, two second transmission gears are meshed with each other, so that garbage in a river channel is conveyed into the collecting assemblies on the two sides of the river channel through reverse rotation of two connecting assemblies, and the river channel cleaning range is guaranteed; and the river channel garbage cleaning effect is effectively improved.

The invention relates to the technical field of glass quality inspection, in particular to a turnover device for glass processing detection, which comprises a lifting mechanism arranged on a conveying device and a turnover frame rotationally arranged in the lifting mechanism, a sucker is arranged at one end, far away from a U-shaped frame, of the turnover frame, and the turnover device further comprises a direction adjusting mechanism for rotating glass when the glass is turned over. The protection mechanism is adopted, through the synergistic effect of a linkage plate, a telescopic arm and an air cylinder, the edge of the glass is automatically clamped after the glass is adsorbed by a suction cup and lifted, adsorption failure caused by high-speed overturning or oil contamination and unevenness of the surface of the glass is effectively prevented, the operation safety is remarkably improved, and the yield is remarkably increased. The direction adjusting mechanism is adopted, through the gear transmission design of the transmission shaft, the suction cup is synchronously driven to drive the glass to rotate and adjust the direction in the overturning process, accurate adjustment of the angle of the glass is achieved, manual secondary intervention is avoided, and the automation efficiency is greatly improved.

The invention discloses a yarn strength tester, which belongs to the technical field of yarn testing, and comprises a movable seat and a control panel fixedly mounted on the front side of the movable seat and close to the right side, and a reciprocating screw rod, a vertical plate, a servo motor, a threaded sleeve A, a square rod, an n-shaped plate, a hydraulic cylinder A, a disc, a square block, a yarn roller and a square groove are matched with one another, so that the yarn strength is tested. The yarn roller can be driven to move back and forth while paying off, so that friction of yarns on the yarn roller during discharging is reduced, torsion stress of the yarns during paying off is reduced, subsequent yarn testing is prevented from being affected, and production efficiency is improved. In addition, through mutual cooperation of a carding frame, a U-shaped plate, a flexible rod, a movable gear, a transmission gear, a rack plate A, a movable plate, a rotary disc, a swing rod, a movable rod, a driven bevel gear and a driving bevel gear, yarn can be deflected and carded back and forth during unwinding and discharging, and twisting force of the yarn is reduced.

A two-way oil-collecting reducer and an electric vehicle. The reducer includes an input gear, an intermediate gear set, an output gear, and an oil sump, and the oil sump includes a radial sump opening and a circumferential sump opening. An orientation of the radial sump opening is away from the intermediate gear set along a radial direction of the intermediate gear set. An orientation of the circumferential sump opening faces the output gear along a circumferential direction of the intermediate gear set. The radial sump opening and the circumferential sump opening are formed at the oil sump, so that the oil sump can collect lubricating oil churned by a gear train when the input gear drives, via the intermediate gear set, the output gear to rotate forward or reversely, to increase an amount of lubricating oil collected by the oil sump.

The invention relates to the technical field of electromagnetic wire production, in particular to a spraying device for electromagnetic wire production, which comprises a supporting table, a mounting groove is formed in one side surface of the supporting table in a penetrating manner, positioning wheels are rotatably mounted on the inner side of the mounting groove in a vertically symmetrical manner, and a supporting frame is fixedly mounted on the inner side wall of the supporting table. A supporting table is fixedly connected to the upper end of the supporting frame, a steering wheel is rotatably mounted at the end of the supporting frame, a circular groove is formed in the upper end of the supporting table from top to bottom in a penetrating mode, and a side plate is fixedly connected to one end of the top of the supporting table. Then the electromagnetic wire body sequentially penetrates through inner cavities of the cleaning mechanism, the paint spraying collecting mechanism, the transmission mechanism, the rotary paint spraying mechanism and the drying mechanism; at the moment, an output shaft of a servo motor drives a driving gear to rotate, and the driving gear drives an outer gear ring to rotate.

The invention relates to the technical field of electroplating equipment, in particular to electroplating wastewater treatment equipment which comprises a reaction cylinder, an air inlet pipe extending into an inner cavity of the reaction cylinder is fixedly connected to the side wall of the reaction cylinder in a penetrating manner, one end of the air inlet pipe is fixedly communicated with a vertical pipe, a rotating shaft is rotatably mounted in an inner cavity of the vertical pipe, and an aeration inner cylinder is fixedly arranged at the lower end of the vertical pipe; the steel wire mesh is arranged into an upper-layer structure and a lower-layer structure which are mutually rotated and staggered, and the driving gear and the inner gear ring are in transmission connection through a transmission gear; the device has the beneficial effects that a steel wire mesh is arranged at the upper end of a vertical pipe, the steel wire mesh is of an upper-lower double-layer structure and is mutually rotated and staggered, a driving gear is arranged at the upper end of a rotating shaft, a transmission gear is arranged between the driving gear and an inner gear ring for transmission, and floating bubbles can be effectively cut when the steel wire mesh rotates, so that the sizes of the bubbles are kept in a small state; the adhesion effect on fine suspended matters is improved, so that the treatment effect on the electroplating wastewater is improved.

The invention discloses a tea leaf crushing device for tea leaf production, and relates to the technical field of tea leaf production, the tea leaf crushing device comprises a barrel, a material box is arranged on one side of the top of the barrel, a positioning rod is fixedly connected to the top of an inner cavity of the barrel, a crushing assembly is arranged at the bottom end of the positioning rod, a driving rod is rotatably connected to the positioning rod, and a discharging assembly is arranged at the bottom end of the driving rod. According to the tea leaf crushing device for tea leaf production, through linkage of the driving gear driven by the servo motor, the gear ring, the self-rotating gear, the crushing cutter and other components, the cutting speed and frequency of the crushing cutter are improved, the cutting path is complex and changeable, hard parts and irregular shapes of tea leaves can be more effectively penetrated, and the tea leaf crushing effect is improved. And the time and energy required by crushing are greatly reduced, and the crushing efficiency is remarkably improved.

The steel pipe internal grinding machine with the synchronous grinding function comprises a workbench, fixed clamping mechanisms are symmetrically arranged on the two sides of the upper end of a first moving assembly symmetrically arranged in the middle of the upper end of the workbench, and installation adjusting assemblies are symmetrically arranged on the two sides of the upper end of a second moving assembly installed on the inner side of the middle of the upper end of the workbench; the outer side of the mounting adjusting assembly is connected with the second moving assembly through a driving assembly, and a polishing assembly is arranged on the side, close to the fixed clamping mechanism, of the mounting adjusting assembly. According to the steel pipe internal grinding machine with the synchronous grinding function, a second lead screw is driven to rotate through a second two-way motor, so that during machining, a mounting adjusting assembly and a grinding assembly which are symmetrically arranged on the two sides are synchronously driven to move towards one side of a steel pipe, and then a rotating rod is driven to rotate through a driving gear, a transmission assembly and a driving assembly; and the interiors of the two ends of the steel pipe are polished at the same time, and therefore the polishing machining efficiency is improved.

The invention relates to the technical field of electric vehicles, and provides a cooling system for a hub motor, the hub motor and an electric vehicle, the cooling system for the hub motor comprises a base and a transmission shell, the base is internally provided with a first cavity and a second cavity, the second cavity is provided with a gear transmission assembly, the side wall of the first cavity is provided with a first cooling liquid flow channel, and the side wall of the second cavity is provided with a second cooling liquid flow channel; a second cooling liquid flow channel is formed in the side wall of the second cavity; the transmission shell is of a cylindrical structure with the first end open and the second end closed, the transmission shell is arranged outside the second cavity in a sleeving mode, the first end of the transmission shell is rotationally connected with the machine base in a sealed mode, the transmission shell is connected with the hub, an oil cavity is formed between the inner side wall of the transmission shell and the outer side wall of the machine base, and the oil cavity is communicated with the second cavity. Through the arrangement, the second cooling liquid flow channel can be used for cooling the second cavity, gear oil in the second cavity can enter the oil cavity, and the second cooling liquid flow channel can also be used for cooling the gear oil in the oil cavity, so that the problem of over-temperature failure of the motor and the gear can be avoided.

A precise reset fire damper actuator relates to the field of fire damper actuating mechanisms and is provided with a reset motor, the reset motor is connected with a stop-limiting gear, the upper end of the stop-limiting gear is connected with a fan-shaped shaft, and the stop-limiting gear is connected with a main shaft gear; during resetting, the main shaft needs to anticlockwise rotate by 90 degrees, the corresponding rotation turns or angle of the resetting motor can be calculated through the transmission ratio, the resetting motor is stopped at the set rotation angle through setting of an encoder, the relative angle of the fan-shaped shaft and the stopping limiting gear in the radial direction is set accordingly, the fan-shaped shaft abuts against the first microswitch, and the resetting motor is stopped; the reset angle of the main shaft can be accurately positioned at 90 degrees when the reset motor runs without repeated setting; the multi-stage reduction gear is driven by the reset gear, so that low-speed stable rotation of the main shaft can be realized; the microswitches are arranged on the two sides of the shifting fork respectively, the touch pressing plates connected with the shifting fork abut against the microswitches on the two sides respectively, the microswitches correspond to complete rotation of the main shaft, and the problem of feedback signal distortion is avoided.

The invention relates to the technical field of milling and grinding machining, in particular to a gantry type multi-head milling and grinding combined machining center and an operation method thereof. Comprising a portal frame table, an electric suction cup is arranged on the surface of the portal frame table, and a machining assembly is arranged at the end of a moving seat. An output shaft of a servo motor drives a rotating gear to rotate, so that a first rack arranged on the side wall of a first moving plate moves downwards in the vertical direction, and a second moving plate drives a servo grinding disc to move in the opposite direction; when the second moving plate moves, a pull rope is pulled, a main gear arranged at the bottom of a gear rod coaxially rotates, the main gear drives an auxiliary gear to rotate in a meshed mode in the rotating process, a worm arranged at the end of the auxiliary gear drives a worm gear to rotate, a rotating disc drives a high-speed air blower to rotate by 180 degrees, and the high-speed air blower blows air to the adsorption box. And smoke containing metal oxides generated in the hole milling process of the servo milling cutter is adsorbed into the activated carbon particles in the adsorption box, so that the health and safety of operators are guaranteed.

The utility model discloses an improved rotary riveting machine, comprising a frame, and a lifting module and a rotating module arranged on the frame, the lifting module comprising a lifting frame, a nut, a screw and a first motor, the lifting frame is connected to the frame for sliding up and down, the nut is arranged on the lifting frame, the screw is threadedly connected to the nut, the upper end of the screw is connected to the main shaft of the first motor, the rotating module is arranged on the lifting frame, the rotating module comprises a rotary riveting head, a rotating shaft, a first gear, a second gear and a second motor, the rotating shaft is rotatably connected to the lifting frame, the central axis of the rotating shaft is coaxially arranged with the central axis of the screw, the lower end of the rotating shaft is connected to the rotary riveting head, the upper end of the rotating shaft is connected to the first gear, the second gear is connected to the main shaft of the second motor, the second gear is transmission-connected to the first gear, and the second motor can drive the rotating shaft to rotate. The utility model adopts a lifting module of a screw + motor, and the screw can drive the rotating module to move downward steadily and uniformly, so that the rivet is deformed evenly and the rotary riveting effect is better.

Drive unit for a vehicle that can be operated by muscle power and / or motor power, in particular an electric bicycle, eBike, pedelec or S-Pedelec, comprising a rotor, a rotor shaft, a first bearing and at least one further bearing, and a shaft, wherein the drive unit has at least a single-stage worm gear or worm gear drive, wherein a worm is non-rotatably connected to the rotor shaft and has at least one helical thread, and a worm wheel which is non-rotatably connected to the shaft and is in mesh with the worm.

The invention discloses a nonlinear dynamic modeling method of a helical gear transmission system considering wear. The method comprises the following specific steps: step (1), establishing a time-varying meshing stiffness calculation model of a helical gear pair in a healthy state; (2) establishing a time-varying meshing stiffness calculation model of the wear fault helical gear pair; (3) establishing a helical gear tooth surface friction model under the condition of mixed elastohydrodynamic lubrication; (4) establishing a deformation equation of the tapered roller bearing; (5) establishing a helical gear transmission system model considering wear, and solving the nonlinear vibration characteristics of the helical gear transmission system under different wear degree faults of the helical gear; the method has the beneficial effects that the nonlinear dynamic model of the helical gear transmission system considering wear is established, and technical support is provided for related technologies of fault dynamic modeling of the current helical gear transmission system.

The invention discloses stamping equipment for powder metallurgy, and belongs to the field of powder metallurgy, the stamping equipment for powder metallurgy comprises a stamping machine body, the upper side of a horizontal part of the stamping machine body and the lower side of a hydraulic seat are jointly provided with a cleaning component, and the cleaning component comprises moving columns fixedly connected to the lower sides of the left and right parts of the hydraulic seat; the upper portions of the left side and the right side of the horizontal part of the punching machine body are rotationally connected with rotating cylinders correspondingly. Powder materials attached to the wide opening of the female die due to static electricity are swept through the arranged rotatable cleaning brush, and due to the fact that a gear drives the cleaning brush to rotate above the female die in the downward moving process of the hydraulic base, the cleaning brush is driven by the gear to rotate above the female die; the cleaning brush can remove residual powder materials at the wide opening of the female die, and the situation that part of powder raw materials are attached to the inlet due to static electricity is avoided, so that the situation that the powder raw materials cannot completely enter the female die in the stamping process, and the stamping quality of powder is affected is prevented.

The embodiment of the utility model provides a multi-consumable extrusion printing device and 3D printing equipment applying the multi-consumable extrusion printing device. The multi-consumable extrusion printing device comprises a driving assembly, a switching assembly and a plurality of extrusion assemblies. The multiple extrusion assemblies are arranged side by side, each extrusion assembly comprises an extrusion gear set, and the extrusion gear sets are used for extruding consumables in the first direction; the driving assembly comprises a gear driving part, and the gear driving part is constructed to be capable of being meshed with one of the extrusion gear sets; the switching assembly comprises an abutting part, the abutting part is arranged on the sides, away from the gear driving part, of the multiple extrusion assemblies, and the abutting part is configured to abut against one extrusion assembly so that the extrusion gear set corresponding to the extrusion assembly can move in the first direction, and therefore the extrusion gear set can be meshed with the gear driving part.

The invention provides a machining center with a chip removal and cleaning structure, the machining center comprises a machine tool, a ball extruding mechanism, a filtering mechanism, a conveying mechanism, a cleaning mechanism and a supporting mechanism, the ball extruding mechanism is used for longitudinally cutting, transversely segmenting and extruding strip-shaped chips into balls in sequence through a longitudinal crushing assembly, a transverse crushing assembly and a ball pressing assembly, the viscosity of the chips is reduced, and blockage is prevented; cuttings and cutting fluid are separated by the filtering mechanism, so that the cutting fluid can be recycled conveniently; a screw rod of the conveying mechanism discharges the cutting balls, and the cleaning mechanism can clean the screw rod with high-pressure water after covering a chip discharging groove; a pressing assembly of the supporting mechanism presses a long rod piece through gear transmission, a follow-up assembly rotates along with a machine piece and moves along with a lathe tool, and the rod piece is prevented from deforming due to gravity. The problems that strip-shaped high-viscosity cuttings are blocked and a long rod piece is prone to deformation under the influence of gravity are effectively solved, and the chip removal efficiency and the machining precision are improved.

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 the technical field of wire production equipment, in particular to production equipment and a preparation method of a wear-resistant anti-aging electronic connecting wire, the production equipment comprises a wire extrusion molding machine body, a gear transmission box and a charging barrel are fixedly mounted at the upper end of the wire extrusion molding machine body, and a charging barrel heater is mounted outside the charging barrel; a threaded rod piece is movably mounted in the charging barrel; the automatic opening device has the beneficial effects that through the design of the feeding linkage mechanism, it can be guaranteed that the discharging pipe is opened, meanwhile, the port of the machine head connector is automatically opened, production integration of the extruder is achieved, the production procedure is simplified, meanwhile, energy is saved, and in cooperation with the arrangement of the connecting and cleaning mechanism, the production efficiency is improved. According to the feeding device, the feeding linkage mechanism and the cleaning mechanism are combined to scrape and stir materials in the middle section of the feeding area and the melting area in the charging barrel, so that material adhesion caused by temperature difference is prevented, and waste materials in the charging barrel can be conveniently cleaned by means of combination of the feeding linkage mechanism and the cleaning mechanism after the machine head connector is detached.

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 hydrogen supply and energy storage device which comprises a hydrogen storage tank body, a gaseous hydrogen storage tank is installed in the hydrogen storage tank body, a liquid hydrogen storage tank is installed on the hydrogen storage tank body, a supporting plate is fixedly connected to the hydrogen storage tank body, and a cooling liquid storage box is installed at the top end of the supporting plate. A transverse plate is fixedly connected to the side wall of the cooling liquid storage box, metal cooling fins are arranged on the side wall of the transverse plate, and the cooling device further comprises a cooling circulation assembly and an air blowing cleaning assembly. A motor drives a first sector gear to rotate, the first sector gear is alternately engaged with a transmission gear and a driven gear, so that a rotating shaft drives metal heat dissipation fins to rotate for heat dissipation, and meanwhile, the driven gear drives cooling liquid to circularly flow in a sealing pipe, a cooling pipe and a liquid inlet pipe through a connecting rod and a piston rod; and cold airflow generated by the fan is used for dissipating heat of the hydrogen conveying pipe, so that the heat dissipation effect is improved.

The invention discloses a dynamic coupling transmission error solving method for a helical gear combined transmission system. The method comprises the following steps: firstly, acquiring basic parameters of the helical gear combined transmission system and establishing a three-dimensional model of the helical gear combined transmission system; secondly, static transmission errors and time-varying meshing stiffness in the gear meshing process are calculated based on finite element analysis; secondly, establishing a bending-twisting-shaft-swinging 18-degree-of-freedom kinetic model of the helical gear combined transmission system considering time-varying meshing rigidity, installation errors, machining errors, gear backlash and meshing damping; inputting gear parameters and working conditions, including parameters such as input torque, output torque and input rotating speed, and acquiring dynamic response of the helical gear combined transmission system by adopting a four-order variable-step Runge-Kutta method; and finally, obtaining a dynamic coupling transmission error of the helical gear transmission system according to a dynamic solving result.

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 utility model discloses a loading tray conveying and stacking device, and relates to the technical field of loading trays, the loading tray conveying and stacking device comprises a U-shaped seat, four corners of the bottom of the U-shaped seat are fixedly connected with supporting legs, a conveying belt is arranged in the U-shaped seat, and two limiting frames are arranged at the top of the U-shaped seat. The half gear is meshed with one rack, the sliding frame drives the other rack to move, the sliding frame extrudes the reset spring to conduct elastic compression, the other rack is meshed with the first gear, the first gear drives the threaded rod to rotate through the arrangement of the one-way damping bearing, and the threaded rod is in threaded connection with the connecting block. The connecting block can drive the lifting plate to move downwards, so that the tops of the carrying discs are flush with the top of the conveying belt, the carrying discs conveyed by the conveying belt can be sequentially stacked, and according to the structural design, multiple air cylinders are not needed, and the conditions that the carrying discs are fed to the conveying belt and the carrying discs are stacked can be completed.

The manual egg stirring cup comprises a cup body, a handle and a stirring body, the lower portion of the cup body is connected with a base to divide the cup body into an upper layer and a lower layer, the stirring body is connected to the bottom of the upper layer of the cup body, and a driving body connected with the stirring body is arranged in the lower layer of the cup body; a holding handle is arranged in the handle in an elastic connection mode, a linkage plate arranged in the lower layer of the cup body in a sliding mode is hinged to the bottom end of the holding handle, and a separated gear driving module is arranged between the linkage plate and the driving body in a connected mode. Compared with the prior art, the manual egg stirring cup has the advantages that the defects of existing egg stirring cup equipment are overcome, rotation of the fan blades is not affected, and the high rotating speed is guaranteed.