117results about How to "High running precision" patented technology

The invention provides a service life prediction method based on structural fatigue analysis of floating type offshore wind power equipment, and relates to the technical field of wind power generation. Equipment structure data of the floating type offshore wind power equipment is acquired, a sensor network is connected to acquire environmental load information, and a multi-body coupling simulation model is established based on the equipment structure data; environmental load information is input into the multi-body coupling simulation model for stress amplitude and load change, fatigue damage accumulation data is calculated based on the multi-body fatigue load spectrum, and the residual life of the floating type offshore wind power equipment is predicted through the fatigue damage accumulation data. The technical problem that in the prior art, unique stress characteristics and dynamic response of floating type offshore wind power equipment are ignored, and consequently the service life of the wind power equipment is predicted inaccurately is solved. The technical effects that the fatigue accumulation process of the floating type offshore wind power equipment is accurately calculated, and the operation safety and the service life prediction precision of the floating type wind power equipment are improved are achieved.

The invention provides a micro-nano impact press-in tester operation monitoring system based on digital twinning, and is suitable for the field of precise instrument maintenance. The system realizes multi-physical field coupling modeling in a micro-nano press-in test through a digital twinning technology, and can monitor the state of an instrument in real time with high precision, predict faults and perform dynamic optimization. The system is integrated with a high-precision sensor, data such as micro force, extremely high temperature and nanoscale displacement are collected in real time, a digital twin model is constructed, and the operation state of an instrument is mapped. Historical and real-time data are analyzed by means of a machine learning algorithm, potential faults can be accurately predicted, maintenance suggestions can be provided, and the precision retentivity and the test stability of the instrument under the material service working condition are ensured. The interaction center provides a visual interface, supports real-time monitoring, dynamic adjustment and early warning functions, and remarkably improves the intelligent maintenance level of the instrument. The invention is suitable for the fields of material science, micro-nano mechanical test and the like, and provides an innovative precise instrument intelligent management scheme.

The invention discloses an operation state monitoring method and system based on gas station equipment, and relates to the technical field of equipment health monitoring, and the method comprises the steps: collecting and preprocessing load and behavior data, and calculating a load fluctuation value according to the preprocessed load and behavior data; calculating a health index according to the load fluctuation value, and calculating the remaining life and the maintenance priority according to the health index; and constructing a target function according to the maintenance priority, solving the target function, generating a distribution result, and storing, collecting and analyzing generated load and behavior data. According to the method, the weighting function is constructed through the high-coupling frequency point set, the load fluctuation value is calculated, the load fluctuation prediction precision is improved, the health indexes of gas station equipment are calculated by using a nonlinear weighted synthesis method, the problem that the relationship between consumer behavior data and equipment load data cannot be fully utilized is solved, and the load fluctuation prediction accuracy is improved. The maintenance priority of the gas station equipment is calculated, and the operation efficiency and maintenance precision of the gas station equipment are improved.

The invention provides a servo system adaptive parameter adjustment optimization method and system based on machine learning, and relates to the technical field of machine learning, and the method comprises the steps: firstly employing a target servo instruction set and a corresponding prior servo instruction set, and employing a first model learning module of a machine learning network model; a self-adaptive optimization instruction set supplemented with missing instruction element data is generated, so that the integrity and accuracy of the instruction set are improved. And then, through a second model learning module of the machine learning network model, a servo system parameter configuration result highly matched with the target servo working application scene is generated according to the adaptive optimization instruction set. And finally, adaptive parameter adjustment optimization is performed on the servo system based on the parameter configuration result, so that the performance and stability of the servo system in different working scenes are remarkably improved, the intelligence and automation of parameter adjustment of the servo system are realized, and the operation efficiency and precision of the servo system are greatly improved.

The utility model discloses an integrated walking beam which comprises a first rotating shaft, a second rotating shaft, a connecting rod assembly, a bottle driving plate and a bottle leaning plate, the first rotating shaft and the second rotating shaft are coaxial, the bottle driving plate moves along a parallelogram track, the bottle leaning plate moves along a linear track, and the first rotating shaft and the second rotating shaft are connected with the bottle driving plate through the connecting rod assembly. The bottle leaning plate is arranged above the bottle driving plate, a third rotatable driving shaft is coaxially arranged in the first rotating shaft and the second rotating shaft, a bottle leaning arm connected with the bottle leaning plate in a sliding mode is arranged on the third driving shaft, and a guide shaft parallel to the linear track is arranged on the bottle leaning plate. And a fixed seat sliding relative to the guide shaft is arranged on the guide shaft. The utility model solves the problems that when the bottle leaning mechanism approaches and leaves, the packing material is easy to shake and is unstable, the stations of the bottle leaning plate and the bottle driving plate are difficult to center due to processing and assembling errors, and the packing material shakes during transportation.

A motor with a built-in hysteresis device comprises a motor cover assembly, a stator assembly, a rotor assembly and the hysteresis device, the rotor assembly is installed in the stator assembly, and the motor cover assembly is installed on the stator assembly. The stator assembly and the machine cover assembly are respectively provided with a bearing, the bearing is in rotating fit with the two ends of a motor shaft arranged on the rotor assembly and supports the motor shaft, the rotor assembly can rotate in the circumferential direction, and the hysteresis device is arranged on one side of the rotor assembly in a machine shell of the stator assembly and comprises a fixing ring, an annular frame, an inner magnetic ring and an outer magnetic ring. The outer magnetic ring is fixed inside the machine shell and provided with a plurality of N magnetic poles and S magnetic poles which are distributed alternately, an air gap is formed between the outer circle face of the inner magnetic ring and the inner circle face of the outer magnetic ring, the inner magnetic ring and the N magnetic poles and the S magnetic poles which are distributed alternately with the outer magnetic ring form a magnetic field loop, the inner magnetic ring is fixed on the annular frame, and the outer magnetic ring is fixed on the annular frame. The annular frame is connected with a fixing ring, and the fixing ring is fixed on a motor shaft.

The knitting machine table comprises a knitting machine main body mechanism, and the knitting machine main body mechanism comprises a base, a supporting stand column, a middle large disc, a middle ejector rod, a top large disc, a top support, a silk feeding disc support, a rotating cylinder, a needle hanging groove, a self-positioning settling base, a hook-shaped closing needle and a cloth discharging rotating frame. The multiple sets of supporting stand columns are evenly and fixedly arranged on the base, the middle large disc is fixedly arranged on the supporting stand columns, the multiple sets of middle ejector rods are evenly and fixedly arranged on the middle large disc, the top large disc is fixedly arranged on the middle ejector rods, and the top large disc is fixedly arranged on the top large disc. According to the invention, the problem that a fabric has edge marks due to the fact that the roundness of a knitting needle is out of tolerance can be effectively reduced, and the problem that the maintenance difficulty is large due to rapid positioning and resetting in the disassembly and maintenance process is improved; the phenomenon of frequent shutdown time caused by yarn winding or breakage is reduced, and the production efficiency is improved.

The utility model relates to the field of linear actuating devices, in particular to a combined ball circulator and a lead screw pair with the same, the lead screw pair comprises a lead screw and a nut, the nut is arranged on the lead screw in a sleeving mode, a circulating ball channel is formed between the nut and the lead screw, and balls are arranged in the circulating ball channel; the combined ball circulator is fixedly arranged at the end part of a nut through a bolt and comprises an upper guide body, a lower guide body and a lower guide body, and a first ball channel is arranged on the upper guide body; the lower guide body is provided with a second ball channel, and the lower guide body and the upper guide body are arranged in a spliced mode; the first ball channel and the second ball channel are encircled to form a reverse ball channel; and the guide ball channel is communicated with the circulating ball channel. The upper guide body and the nut of the combined ball circulator are fixed through the bolt, the upper guide body and the lower guide body are combined together, a complete and closed circulating guide path is provided, and it is guaranteed that balls smoothly pass through the ball rolling path to do infinite circulating motion.

The invention discloses a sensor fault diagnosis and repair system and method for a smart city, and belongs to the technical field of smart city operation and maintenance management, and the method comprises the steps: carrying out the real-time monitoring of a sensor, and obtaining the output data of the sensor; carrying out continuity analysis and consistency analysis on the output data to obtain a continuity analysis result and a consistency analysis result; when the continuity analysis result and the consistency analysis result do not exceed the preset range in response, judging that the sensor has no fault, otherwise, marking the sensor as a potential fault; for the sensors marked as potential faults, the sensors are triggered to perform self-inspection, and the types of the potential faults are judged; and when the type of the potential fault is a hardware fault, feeding back sensor information of the potential fault to a remote management platform. Through fault diagnosis and remote repair of the sensor, the reliability and adaptability of the sensor are effectively improved, the operation reliability and sensing precision of the whole smart city are improved, and complex requirements of the smart city are met.

The invention provides a fruit and vegetable juice processing tank and a processing method thereof. A discharging pipe is arranged at the bottom of the tank main body, and two feeding pipes connected with an external material pipe are arranged at the top of the tank main body; the tank cover is arranged at the top of the tank main body; the two rubber strips are fixed to the edges of the ends, close to each other, of the tank body and the tank cover correspondingly. The threaded holes are uniformly formed in the top of the tank cover and penetrate through the top of the tank main body; the tank body and the tank cover are tightly fixed through the threaded holes and the threaded rods, meanwhile, the rubber strips are arranged on the edges of the ends, close to each other, of the tank body and the tank cover, and after the tank cover is installed and fixed, the rubber strips fill tiny gaps in the tank opening through the elasticity and the material characteristics of the rubber strips, so that the auxiliary reinforcing effect on sealing of the tank opening is achieved; and the overall sealing performance of the tank is greatly improved.

This invention belongs to the field of additive-subtractive composite manufacturing technology, and discloses a five-axis linkage additive-subtractive composite machine tool and control system. The machine bed base assembly has left and right guide rail seats symmetrically fixed on both sides of its top. The worktable is fixed in the middle of the machine bed between the two guide rail seats. An integral crossbeam is mounted across the top surface of the left and right guide rail seats and can move linearly along the X-axis. Two independent machining units are mounted in parallel along the Y-axis on the integral crossbeam: the subtractive side crossbeam slide plate carries a subtractive slide block and a subtractive electric spindle actuator, and the additive side crossbeam slide plate carries an additive Z-axis slide table and a double-swing additive head. The worktable is divided along the X-axis into a subtractive-specific machining area, a composite machining area, and an additive-specific machining area. The two machining units can operate independently in their respective dedicated areas, or enter the composite machining area at different times to collaboratively complete the additive-subtractive composite machining. This invention combines high structural rigidity with machining flexibility, avoids secondary workpiece clamping errors, and significantly improves machining efficiency and accuracy.

This utility model discloses an intelligent height-adjustable desk, comprising: a tabletop, a first leg assembly, a drive assembly, a first transmission assembly, and a control assembly. The first leg assembly includes a receiving box and first legs. The receiving box is installed on the lower side of the tabletop. The first leg includes a first leg and a second leg. The upper end of the first leg is connected to the receiving box, and the lower end of the first leg is retractably disposed in the telescopic groove of the second leg. The drive assembly includes a brushless motor and a magnetic encoder, which are coaxially connected and both are disposed within the receiving box. The first transmission assembly is drively connected to the brushless motor to cause the first leg to extend and retract when the brushless motor rotates. According to this utility model, by incorporating a brushless motor and a magnetic encoder, the operating accuracy of the intelligent height-adjustable desk can be significantly improved, while also ensuring greater stability of the tabletop during height adjustment, resulting in high reliability and stability.

The high-precision piston rod connecting structure comprises a piston rod, the upper end of the piston rod is connected with a piston body, the lower end of the piston rod is connected with a crosshead, the upper end of the crosshead is connected with a positioning flange with a center hole, and the lower end of the piston rod is a reducing end transited through a conical surface section. The reducing end penetrates through the center hole of the positioning flange and is stretched and locked by a first fastening structure; the upper section of the center hole of the positioning flange is a taper hole matched with the conical surface section of the piston rod; the upper end of the piston rod penetrates into a center hole of the piston body, is stretched and locked by a second fastening structure and is provided with an anti-rotation structure. Automatic centering is achieved through conical surface matching, stable pre-tightening force is provided in cooperation with a double-fastening structure, the problems that a traditional connecting structure is insufficient in precision and poor in locking reliability are effectively solved, the operation precision and stability of a compressor are greatly improved, and meanwhile the compressor connecting structure has the advantages of being convenient to install and maintain and long in service life.

The utility model discloses an A swing head rotating mechanism for a numerical control boring and milling machine. The A swing head rotating mechanism comprises a Y-direction sliding base, a large gear, a small gear, a servo motor, a first coupler, a swing base, a second coupler, a worm, a worm gear, a main shaft and a braking vane. The main shaft is fixedly mounted on the swing seat, and the swing seat is mounted on the Y-direction sliding seat; a servo motor drives worms connected with two rigid couplings to rotate, the two worms transmit power to two worm wheels respectively, a cylindrical gear shaft is provided with a small gear, a Y-direction sliding seat is provided with a large gear, and the small gear is in meshing transmission on the large gear to drive a swing seat to rotate on the Y-direction sliding seat, so that a main shaft swings; when the main shaft rotates to a command position, the hydraulic locking brake plate acts to lock the swing seat at a fixed position, and the main shaft can perform heavy cutting on a workpiece. According to the horizontal boring machine tool, complex workpieces can be machined through horizontal boring, the machining range of the machine tool is widened, one-time clamping of the workpieces is achieved, and one-time machining of multiple working procedures is achieved.

The utility model provides a plunger balancing device and dialysis equipment, the plunger balancing device comprises a pump body and a plunger, the pump body is provided with a cavity, the plunger is arranged in the cavity, the plunger is in sliding sealing connection with the cavity, and the plunger is used for dividing the cavity into a first cavity and a second cavity; the pump body is provided with a first liquid inlet and a first liquid outlet which are communicated with the first cavity, and a second liquid inlet and a second liquid outlet which are communicated with the second cavity; the four valve bodies are respectively arranged at the first liquid inlet, the first liquid outlet, the second liquid inlet valve and the second liquid outlet; the linear driver is connected with the plunger and used for driving the plunger to move along the cavity. According to the plunger balancing device, the plunger structure is driven to do linear reciprocating motion in a linear driving mode, and compared with a rotary driving scheme, the overall operation precision and stability of the plunger balancing device are improved.

The application relates to a kind of knitting loom, including knitting machine main mechanism, the knitting machine main mechanism includes base, support column, intermediate large dish, middle top rod, top large dish, top support, wire feeding disc support, rotary cylinder, needle hooking groove, self-positioning sinker, hook type closed needle, lower cloth rotary frame;The support column is provided with multiple groups, is evenly fixed on the base, the intermediate large dish is fixed on the support column, the middle top rod is provided with multiple groups, is evenly fixed on the intermediate large dish, the top large dish is fixed on the middle top rod, the top support is fixed on the top large dish, the application can effectively reduce the problem that fabric appears edge mark due to the running roundness of knitting needle is out of tolerance, improve the problem that the difficulty of repair is caused by quick positioning reset in the process of disassembly and maintenance;Reduce the phenomenon that frequent downtime is caused by yarn winding or breakage, improve production efficiency.

The application discloses a gallium nitride structure with negative pressure off auxiliary and an overload control method applied to a humanoid robot, and belongs to the technical field of intelligent robot power drive. The gallium nitride structure comprises gallium nitride structures arranged side by side on the front and back sides, and the gallium nitride structure comprises, from bottom to top, a substrate layer, a buffer layer, a gallium nitride layer, an aluminum gallium nitride layer and a gate electrode; source electrodes and drain electrodes are arranged on the left and right sides of the top of the aluminum gallium nitride layer; a first resistance layer is arranged between the source electrode on the front side of the gallium nitride structure and the source electrode on the back side of the gallium nitride structure; and a second resistance layer is arranged between the drain electrode on the front side of the gallium nitride structure and the drain electrode on the back side of the gallium nitride structure. The technology adopts a front and back side parallel gallium nitride double-path conduction structure, overturns the single-path design mode of the traditional robot dog driving circuit, and relies on the stable base structure formed by the substrate layer and the buffer layer to endow the overall circuit with excellent structural stability and anti-interference capability.

The utility model discloses a high-precision grinding positioning device of silicon nitride bearing ring, include: workstation, the bottom of workstation is provided with the mounting groove, the bottom fixedly connected with antiskid base of workstation, positioning assembly, the bottom of positioning assembly and the bottom fixedly connected of mounting groove inner wall, positioning assembly is used for high-precision positioning installation to silicon nitride bearing ring, the utility model relates to positioning device technical field. This high-precision grinding positioning device of silicon nitride bearing ring adopts four symmetrical placement frame, and the staff can place the silicon nitride bearing ring in advance outside the workbench, then only need to place the placement frame on the surface of the bearing plate through the positioning unit, and the placement frame can be selected to be matched with the silicon nitride bearing ring, so that a large amount of time is avoided to adjust in the later period, and when installing, only need to slide the placement frame on the surface of the positioning unit and insert the positioning rod, and the whole operation process is very simple.

The invention relates to the field of lead screw protection equipment, and discloses an antifouling ball screw assembly which comprises a bottom plate, an arc-shaped plate is fixedly connected to the upper side wall of the bottom plate, a second containing groove is formed in the bottom plate, a second shell is arranged in the arc-shaped plate, and cleaning mechanisms are arranged in the second containing groove and the arc-shaped plate. And the cleaning mechanism comprises a connecting pipe, two adapter pipes, a scraping plate and a fixing cylinder, and the outer side of the connecting pipe is arranged in the second containing groove. Through the arranged cleaning mechanism, the problem that more frequent comprehensive overhaul and maintenance work including device disassembling and interior cleaning needs to be carried out can be solved, a connecting pipe is connected with an external air pump and the like to convey air into the interior of the connecting pipe, so that the operation precision and smoothness are effectively improved, and the service life of the connecting pipe is prolonged. And the overall performance and efficiency of the device are improved, and the interior can be cleaned during operation.

The film covering and packaging device comprises a film covering main body mechanism, and the film covering main body mechanism comprises a welding base, a left vertical plate, a right vertical plate, a top plate, a roller bearing seat, a film covering power roller, a roller motor seat, a roller motor, a belt wheel and a belt; the left vertical plate and the right vertical plate are fixedly arranged on the welding base and are oppositely and symmetrically arranged, the top plate is fixedly arranged on the left vertical plate and the right vertical plate, two groups of roller bearing seats are arranged, each group comprises a plurality of roller bearing seats, the two groups of roller bearing seats are oppositely, symmetrically and fixedly arranged on the outer sides of the left vertical plate and the right vertical plate, and a plurality of laminating power rollers are fixedly arranged on the outer sides of the left vertical plate and the right vertical plate. The operation stability can be effectively improved, and the tangential stress uniformity between the film laminating pressing wheel and the film laminating power roller is improved, so that the film laminating effect is improved, and the problems of film stripping, bubbles and the like are reduced; and the film covering effect and the film covering quality which are influenced by wrinkles and curled edges in the film covering movement process are reduced.

This invention discloses an artificial intelligence-based power storage dispatch and control method and system, relating to the field of intelligent dispatch technology. The method includes constructing a micro-circulation operating condition sequence based on grid operation and dispatch command data, extracting loss representation features into an input state model to obtain implicit loss state parameters, calculating the loss potential energy value of each battery cell, constructing a loss propagation network to identify target loss areas and derive an implicit loss risk index, and generating a target dispatch strategy based on comprehensive dispatch requirements to achieve dynamic dispatch control of the energy storage system. By establishing a loss propagation network to analyze the propagation law and diffusion trend of losses among battery cells, accurate identification of target loss areas is achieved. Intelligent decision-making is performed based on the implicit loss risk index and comprehensive dispatch requirements, thereby enabling the dispatch process to consider both grid demand response and battery life management. This effectively solves the problem of difficult-to-perceive implicit losses in high-frequency micro-charging and discharging scenarios, improving the stability and accuracy of power dispatch.

The utility model provides a backpack AGV robot for mattress production, which comprises a robot body, a touch screen is arranged in a laser obstacle avoidance device, and anti-collision plates are assembled at the front end and the rear end of the robot body. According to the backpack type AGV robot for mattress production, the laser obstacle avoidance is installed, and the laser obstacle avoidance obtains environment contour information through laser radar scanning, so that the AGV robot can recognize obstacles in the surrounding environment, autonomous positioning and navigation are achieved, in the mattress production process, the robot can be helped to accurately move in the complex environment, and the production efficiency is improved. According to the AGV robot, collision with equipment, raw materials or other obstacles is avoided, hybrid navigation of natural navigation and laser navigation of laser obstacle avoidance is achieved, the operation precision and efficiency of the AGV robot can be greatly improved, secondary positioning is conducted through laser scanning, the robot can reach the destination more accurately, errors are reduced, and the accuracy of the robot is improved. Therefore, the automation level of mattress production is improved.

The utility model relates to the technical field of grinding machines, in particular to a lathe bed structure of a vertical and horizontal grinding machine, which comprises a lathe body, a reinforcing component is mounted on the inner side of the lathe body, two groups of guide rail components are mounted on the lathe body, a carriage is jointly mounted on the two groups of guide rail components, and a workpiece table component is mounted on the carriage. The guide rail assembly comprises a guide rail installed on the bed body, a sliding seat is connected to the guide rail in a sliding mode, protective sleeves arranged on the outer side of the guide rail in a sleeving mode are arranged on the two sides of the sliding seat, a fixing plate fixedly connected with one end of each protective sleeve is fixedly arranged on the side wall of the bed body, and the other end of each protective sleeve is fixedly connected with one end of the sliding seat. According to the lathe bed structure of the vertical and horizontal grinding machine, the guide rail assembly is arranged, the protective sleeve is arranged on the guide rail, the protective sleeve is used for blocking chippings and preventing the chippings from falling on the guide rail, the protective sleeve can stretch out and draw back along with movement of the sliding base, the guide rail can be better protected against abrasion, the operation precision of the guide rail on the lathe bed is improved, and the service life of the guide rail on the lathe bed is prolonged.

The utility model relates to the technical field of sensor equipment, and discloses an infrared self-locking sensor which comprises a limiting sensor used for sending out a limiting signal and a locking device used for locking a mechanical arm, and an infrared sensor used for detecting the position of the mechanical arm is arranged between the limiting sensor and the locking device. The locking device, the infrared sensor and the limiting sensor are sequentially arranged in the moving direction of the mechanical arm. The limiting precision of the mechanical arm is effectively improved, and then the working efficiency of the mechanical arm is improved.

The invention discloses a compound control method and system for a mechanical arm with a gap joint, and belongs to the technical field of engineering equipment control. Based on a six-degree-of-freedom mechanical arm nonlinear dynamic model containing a gap joint, control boundaries of a collision force feedforward module and a PD feedback module are determined by quantifying a coupling relation between a joint gap and collision force; then a composite control structure of'collision force feedforward compensation-PD feedback tracking 'is built based on the kinetic model, a feedforward module counteracts disturbance of nonlinear collision force on motion of the mechanical arm in advance by collecting joint collision force signals in real time and calculating reverse compensation torque, and a PD feedback module counteracts disturbance of nonlinear collision force on motion of the mechanical arm in advance by monitoring joint positions and posture deviation in real time; outputting a tracking torque to accurately correct a track error; the two layers of modules are nested and cooperatively work, the advantage of active disturbance suppression of feedforward control is exerted, the steady-state precision of trajectory tracking is guaranteed by means of PD feedback control, and the operation precision and reliability of the gap-containing joint mechanical arm are effectively improved.

The utility model relates to a precise buckling mechanism. The device comprises a base, a guide seat and a push-pull air cylinder are arranged on the base, a buckle piece is arranged on the guide seat, and the movable end of the push-pull air cylinder is connected with a transmission piece; the buckling piece comprises a buckling part and a sliding part which are perpendicular to each other, and a transmission protrusion is arranged on the sliding part. The guide base is provided with a sliding groove and a sliding way, and the sliding part is arranged in the sliding groove. The transmission piece is provided with a transmission inclined groove with the axis of the sliding groove intersecting in a staggered mode. The transmission part is in sliding connection with the sliding way, and the transmission protrusion is clamped into the transmission inclined groove. The push-pull air cylinder drives the transmission part to slide front and back along the sliding way, and the transmission protrusion drives the sliding part to slide left and right along the sliding groove and drives the buckling part to slide left and right under the action of force of the transmission inclined groove. Linear acting force is converted into inclined acting force through the transmission chute, so that the moving speed of the fastener can be controlled, and the equipment is prevented from being damaged; in addition, the buckling piece is doubly limited by the sliding groove and the transmission inclined groove in different directions, the polarization freedom degree is reduced, and the operation precision of the buckling piece is improved.

The utility model provides a humanoid bionic robot trunk based on stepping motor driving, which comprises a base, a supporting assembly is arranged on the surface of the base, a first rotating device is arranged above the supporting assembly, a third rotating device is arranged at the top of a fixing frame, and a stepping motor is arranged on the base. The rotating sleeve is arranged above the third gear and the fourth gears, the second rotating device is arranged between the positioning frame and the protective sleeve, the driving device is arranged above the protective sleeve, the arc-shaped sleeve is arranged between the protective sleeve and the driving device, and the arc-shaped sleeve is arranged above the arc-shaped sleeve. And the rotating frame is arranged above the arc-shaped sleeve. According to the humanoid bionic robot trunk based on stepping motor driving, the umbrella-shaped gear set structure is adopted in the movable neck, the service life of the structure is longer than that of an existing robot neck, and due to the fact that the structure is simple, control is more convenient, and manufacturing cost is low.

The application belongs to the technical field of energy management, and particularly relates to an energy consumption monitoring and optimization control method and system of an energy management platform, which comprises the following steps: dividing a data area and a strategy area in a shared memory, establishing a lock-free ring buffer, a reliability bit mask and a state decision prefix tree; collecting processes write energy consumption data, system state parameters and time stamps into the lock-free ring buffer and set the reliability bit mask; an analysis process extracts the energy consumption data as energy consumption sampling values and calculates kurtosis values of the energy consumption sampling values, and encapsulates a composite data packet of the state vector and the kurtosis values; an optimization process traverses the state decision prefix tree to obtain a state duration expectation value, and obtains a predicted wake-up time; a control process scheduling priority is updated by using the kurtosis values, a kernel timer is configured to send a predicted control signal at the predicted wake-up time and perform an operation, and the application realizes active prediction wake-up of the control process, ensures real-time issuance of control instructions, and reduces system energy consumption.

The invention discloses a self-resetting anti-drawing support and a use method thereof. The self-resetting anti-drawing support comprises an anti-drawing unit and a self-resetting unit, the anti-drawing unit is connected with the bottom end of a bridge and the upper end of a pier through an upper anchor bolt assembly and a lower anchor bolt assembly. The self-resetting unit is detachably arranged in the anti-drawing unit; through the anti-drawing structures in the anti-drawing units, vertical loads are effectively transmitted, and when a bridge is subjected to transverse force or torsional force, the stability and reliability of the support are kept, and the support is prevented from moving or falling off; besides, a plurality of friction pair structures are arranged between the anti-drawing structures, so that vibration and impact energy of the bridge under the action of dynamic loads are effectively absorbed and dispersed, normal functions of the anti-drawing structures are ensured, and meanwhile, abrasion and fatigue risks are reduced; in addition, through the self-resetting unit, the support has the self-resetting function in the transverse direction of the bridge, the anti-seismic and anti-drawing performance of the bridge is further improved, and the service life of the bridge is prolonged.