71results about How to "Accurate adjustment effect" patented technology

The invention discloses a power distribution network power demand prediction method and device based on big data analysis and a medium, and belongs to the technical field of power demand prediction, and the method comprises the steps: dividing a power distribution network into a plurality of power nodes, collecting the power data of the power nodes, and carrying out the screening to obtain power abnormal nodes; demand information of the power abnormal node is collected, and a power consumption demand event is extracted according to the demand information; acquiring event information of the power consumption demand event, and evaluating according to the event information to obtain a propagation effect condition of the power consumption demand event; acquiring a real-time prediction demand value of a power abnormal node, and determining power change values of other power nodes in combination with a propagation effect condition; and collecting real-time environment data of the power node, predicting according to the real-time environment data to obtain a basic power demand value, and superposing the power change value to obtain a real-time power demand value. The accuracy of power distribution network power demand prediction based on big data analysis is improved.

The utility model discloses a guide structure for preventing a cutter from deviating and a bag making machine, relates to the technical field of bag making machines, and aims to solve the problem that the cutting position deviates due to the fact that the cutter needs high-frequency reciprocating motion, the guide structure comprises an anti-deviation cutting assembly, the anti-deviation cutting assembly comprises a connecting frame, sliding holes are formed in the two sides of the connecting frame, and the sliding holes are communicated with the connecting frame. And sliding pieces are movably connected to the interiors of the sliding holes correspondingly, moving rods are fixedly connected to the opposite sides of the sliding pieces correspondingly, cutting knives are fixedly connected to the outer sides of the moving rods correspondingly, connecting pieces are fixedly connected to the outer sides of the sliding pieces correspondingly, and the connecting pieces are located in the connecting frame. The guide structure for preventing the cutter from deviating and the bag making machine have the technical effects that the position of the cutter can be effectively and accurately restrained and dynamically adjusted, the deviation phenomenon of the cutter after multiple times of cutting is effectively prevented, and the cutting operation is ensured to always keep high precision and stability.

The utility model discloses a feeding device for sensor assembly. The feeding device comprises a bottom frame, a vertical plate and a movable base. A mounting cylinder is arranged at the top of the bottom frame, an O-shaped ring vibration disc is arranged in the mounting cylinder, a material supplementing frame is arranged on one side of the O-shaped ring vibration disc, and a channel is formed between the material supplementing frame and the O-shaped ring vibration disc; the feeding mechanism is driven to quickly move in the horizontal direction and the vertical direction through cooperative work of a plurality of air cylinders, so that O-shaped rings are quickly grabbed and transferred by the negative pressure suction device, and the feeding time is greatly shortened; o-shaped rings are automatically and orderly arranged through the O-shaped ring vibration disc, the O-shaped rings are supplemented in time in cooperation with the material supplementing frame, and continuous supply of the O-shaped rings is guaranteed; the feeding precision is improved through positioning formed by a positioning seat, a positioning block, a telescopic rod and a spring; the feeding process is monitored in real time through the scanner, problems are found and fed back and adjusted in time, and the operation reliability of the whole feeding device is further improved.

This application provides a fixture and method for clamping and machining thin-walled welded parts, relating to the field of fixture and tooling technology. The fixture includes a base mechanism, a central positioning mechanism, an angular positioning structure, an auxiliary support mechanism, and a clamping mechanism. The base mechanism uses a disc and multiple circumferentially arranged elongated plates to form a support surface; the central positioning mechanism mates with the positioning inner hole of the part to achieve central positioning; the angular positioning structure mates with the angular hole of the part to achieve angular positioning; the auxiliary support mechanism is set for each lug to be machined, using V-shaped supports and lateral limiting components to provide auxiliary support and limit the lugs to be machined; the clamping mechanism clamps the part to the clamping reference surface. This solution can improve the clamping stability, positioning accuracy, and local rigidity during machining of thin-walled welded parts, reduce vibration and lateral displacement of the lugs to be machined, and reduce the risk of cracking at the weld joint.

This utility model relates to the field of robotic arm technology and discloses a multi-degree-of-freedom robotic arm for satellite testing. It includes a base, a support frame on top of the base, a third motor for rotating the support frame fixed on one side of the base, and a first motor, a second motor, and a fifth motor fixed on one side of the support frame. A ninth connecting arm is fixed to the output shaft of the first motor, a first connecting arm is fixed to the output shaft of the second motor, and a fifth connecting arm is fixed to the output shaft of the fifth motor. A moving component for multi-station satellite testing is located at the bottom of the base. Through the combination of multiple motors and connecting arms, the mounting plate drives the satellite to move in six degrees of freedom in three-dimensional space, enabling the robotic arm to perform precise spatial positioning and attitude adjustment in complex environments. The fifth connecting arm simultaneously hinges to the fourth and sixth connecting arms, allowing the robotic arm to achieve complex composite movements and increasing its convenience.

The embodiment of the invention provides a self-adaptive switching method and device for a network construction mode and a network following mode of an energy storage converter, a storage medium and electronic equipment, and relates to the technical field of grid-connected control of the energy storage converter. Judging the strength of the power grid according to the output result of the primary frequency modulation function of the energy storage converter, and switching to a grid following mode when the strength of the power grid is high; and when the energy storage converter operates in the grid following mode, judging the strength of the power grid according to the variation of the voltage frequency and amplitude before and after the current regulation of the power grid, and switching to the grid construction mode when the strength of the power grid is weak. According to the technical scheme, the dependence on a power grid strength detection function can be weakened, reasonable self-adaptive switching can be realized under relatively simple algorithm complexity, and meanwhile, the requirement on MCU hardware is reduced.

The utility model discloses a kind of self-adapting assembly component clamp device, comprising: mounting bracket;Fixed chuck, fixed on the mounting bracket;Movable chuck, for cooperating with the fixed chuck and clamping workpiece;Outer tube, set on the mounting bracket;Slide bar, slidingly set in the outer tube, the slide bar moves under the direction of first gas pressure towards the fixed chuck;The driving block and the movable chuck between there is mutually matched slope;Cylinder, for driving the driving block moves after the slide bar is locked and cooperates, to drive the movable chuck moves towards the direction of the fixed chuck by the cooperation of the slope.The technical scheme not only improves the compatibility of fixture to diversified products, and through accurate secondary clamping, the clamping accuracy and reliability in assembly process are guaranteed, so as to improve production efficiency and product quality, effectively solve the problem proposed in background art.

The utility model discloses a kind of installation foot and refrigeration equipment, installation foot includes mounting plate, adjusting screw rod, guide piece and foot assembly, mounting plate includes installation part and fixed part, installation part and fixed part extend along horizontal direction, and arrange in horizontal direction;Adjusting screw rod and guide piece are connected in fixed part, adjusting screw rod and guide piece are all along second direction extension, foot assembly includes foot support, foot on the foot support is connected, adjusting hole of screw thread cooperation with adjusting screw rod, guide hole of sliding cooperation with guide piece are set on foot support.The installation foot in the utility model can be widely applied in refrigeration equipment.Installation part is connected to the bottom of refrigeration equipment by bolt or other fastener, and the cooperation of adjusting screw rod and guide piece makes the height adjustment of refrigeration equipment more convenient.User only needs to twist adjusting screw rod from upside by tool, can easily complete height adjustment, solve the problem of laborious operation in traditional scheme.

This utility model relates to the technical field of electronic component testing equipment, specifically a Kelvin testing device. It includes a high-temperature resistant insulating housing, an adjustment bracket, a high-temperature resistant insulating cover, a push-button switch, and an inert gas inlet. The adjustment bracket is installed inside the high-temperature resistant insulating housing, and the component under test (DUT) is placed on the adjustment bracket. The position of the adjustment bracket is adjustable to ensure that the DUT is aligned with the test point. The high-temperature resistant insulating cover is hinged to the high-temperature resistant insulating housing, and the push-button switch is installed on the high-temperature resistant insulating housing, allowing the cover to be opened and closed by pressing the switch. The inert gas inlet is fixed to the high-temperature resistant insulating housing and connected to an inert gas source pipeline. It provides a stable testing environment, adapts to DUTs of different sizes, is high-temperature resistant and insulating, and protects the safety of the tested component.

This disclosure provides an electric bicycle and its control system. The control system includes a sensing module, a drive module, and a control module. The drive module is connected to both the sensing module and the control module, and the sensing module and control module are communicatively connected. The drive module provides power to the electric bicycle. The sensing module detects the drive module and generates corresponding torque feedback signals and speed feedback signals. The control module controls the output power of the drive module based on the torque and speed feedback signals. This disclosure improves the control algorithm of the drive module based on the torque and speed feedback signals, achieving precise control and adjustment. It employs a compact design and high-quality hardware components, along with a reliable battery management system and intelligent charging control functions, achieving powerful performance and efficient energy consumption control. This allows users to use electric bicycles more conveniently and safely, providing consumers with a more convenient, comfortable, and environmentally friendly mode of transportation.

The invention provides a vision tracking training early education toy with a built-in projection function, and relates to the technical field of vision tracking toys, the vision tracking training early education toy comprises a reciprocating motion toy, and the reciprocating motion toy comprises a shell serving as an integral framework to play a supporting and protecting role; the shell cover is detachably mounted at the port of the shell to close the shell and protect the interior of the shell; the projection part is arranged in the shell, can rotate along with the shell and keep the position unchanged, and can project different images; the eccentric module can adjust the overall gravity center position; the whole body can be driven by the moving part to transversely move; the inertia module can brake the moving part to be matched with the eccentric module to enable the whole body to turn over. The toy is driven by the moving part to integrally move in a transverse reciprocating mode, the toy is matched with the synergistic effect of the eccentric module and the inertia module to achieve the overturning action, diversified and non-monotonous movement tracks are formed, meanwhile, low-intensity natural sound generated along with the overturning action can continuously attract the attention of a baby, the baby is guided to actively follow the sight, and the safety of the baby is improved. And the visual tracking capability and the attention concentration degree are effectively exercised.

The invention provides a servo cutter pressing device, a packer and a control method of the servo cutter pressing device, and is applied to the technical field of packagers, pressing force is applied to a packing belt through a cutter pressing assembly, a servo pressing cylinder structure integrates a high-precision pressure sensor and a driving unit, the cutter pressing assembly is driven to move, and the output pressure of the cutter pressing assembly is controlled. The high-precision pressure sensor collects actual pressure data in real time; the belt thickness detector obtains the thickness information of the packing belt; and the PLC control unit dynamically adjusts the output power or displacement of the driving unit according to the preset pressure parameter, the actual pressure data and the thickness information, so that the actual pressure data is maintained in a range allowed by the preset pressure parameter, and the precise control and self-adaptive adjustment of the pressing force of the packing belt can be realized. And the defects that the packing belt is fractured or slipped and the packing quality and efficiency are low due to the fact that the spring pressure of a traditional device cannot be accurately self-adapted are overcome, and therefore the packing quality and efficiency are improved.

The application discloses a photovoltaic device, a photovoltaic system and a construction method of the photovoltaic system, and belongs to the technical field of photovoltaic technology. The photovoltaic device comprises at least one photovoltaic module group, a plurality of photovoltaic modules of the photovoltaic module group are sequentially hinged, the photovoltaic module group is provided with a roller on at least one side, and the roller is suitable for rolling cooperation with a module cable of the photovoltaic system; a box body, the photovoltaic module group is installed on the box body, and the box body comprises a base and a side wall; the base is provided with an anchoring point, the photovoltaic module group is supported on the base, the base is suitable for being installed on a first side column of the photovoltaic system, and the side wall is detachably installed on the base. According to the photovoltaic device, a large number of complex and tedious construction links can be transferred from high altitude to the ground, the photovoltaic module group can be quickly positioned and installed at high altitude, the wind area of the photovoltaic module can be greatly reduced under strong wind weather by switching the plurality of photovoltaic modules between a folded state and an unfolded state, and the economy, reliability and durability of the photovoltaic system are improved.

The utility model relates to the field of building machine rooms, and discloses a temperature and humidity monitoring and adjusting device for a building machine room, which comprises a hanging bracket and a mobile station, the mobile station is arranged on the hanging bracket, and the mobile station is arranged to move on the hanging bracket; the adjusting box is installed on the moving table, and the adjusting box is arranged to be close to or away from the moving table; one end of the ventilation pipe penetrates through the inner wall of the adjusting box; and the humidifying box is installed in the adjusting box, and the other end of the ventilation pipe is connected with the humidifying box. According to the utility model, through the design of the mobile station and the adjusting box, the temperature and humidity monitoring and adjusting equipment can be flexibly moved to a specific area in the machine room, the accurate monitoring and adjustment of the area are realized, and unnecessary energy consumption is reduced through accurate regional monitoring and adjustment.

The invention discloses an intelligent monitoring system for an AIPFIMS plasma furnace. The intelligent monitoring system comprises the following steps: step 1, configuring a corresponding sensor; step 2, data analysis and processing; step 3, remote monitoring and control; 4, intelligent early warning and alarming are carried out; and 5, automatically adjusting and optimizing. In addition, trend analysis and prediction can be carried out according to historical data and real-time data through the data processing module, and the performance change and possible faults of the plasma furnace can be predicted in advance.

The utility model provides an integrated pouring hearth bottom-mounted coking device, which belongs to the technical field of coking tests and comprises a heating chamber, a carbonization chamber, a heat preservation and insulation plate, a silicon carbide rod, a lifting device, a furnace door, a supporting seat and a damping mechanism. A heating chamber and a carbonization chamber are arranged in the coke oven, and a heat preservation and insulation plate and a silicon carbide rod are arranged in the heating chamber; the lifting device is arranged at the bottom of the coke oven; the coal box is placed on the supporting seat; an opening is formed in the bottom of the carbonization chamber, the supporting seat and the coal box are embedded into the carbonization chamber, and the furnace door cover is arranged at the opening; heat preservation blankets are filled between gaps of the silicon carbide rods and between the through grooves and the silicon carbide rods; by arranging the silicon carbide rods and the heat preservation and insulation plates and filling the heat preservation blankets between the through grooves and the silicon carbide rods, heat loss is effectively reduced, and meanwhile the effect of protecting the heating elements is achieved; and through combined use of the damping mechanism and the lifting device, it is guaranteed that the coal box can be stably transited during transferring, and damage to key components due to vibration is reduced.

This application provides a method and system for integrated protection of wireless network optimization and data security. The method includes: collecting wireless network operation index data and network security threat index data; evaluating network quality based on the wireless network operation index data, calculating network channel quality values, and generating network optimization strategies; calculating security threat values ​​based on the network security threat index data, and constructing security protection strategies based on the security threat values ​​and network channel quality values; linking and matching the network optimization strategies and security protection strategies to form linkage control commands; and synchronously executing network parameter adjustments and security management actions according to the linkage control commands. This application achieves bidirectional linkage between wireless network quality perception and data security threat detection, optimizing network speed and latency while simultaneously identifying attacks and dynamically adjusting security strategies, achieving synergistic optimization and balance between performance and security.

The utility model discloses a multi-directional climbing device for a transmission tower, which comprises a multi-directional climbing module and a base. The multi-directional climbing module includes a clamping mechanism, a climbing mechanism and a steering mechanism. Among them, the clamping mechanism and the climbing mechanism are connected through the steering mechanism. The clamping mechanism is used to clamp or loosen the tower during climbing; the climbing mechanism adopts a screw drive mechanism, and transmits the power of the rotating motor to the ball screw through a synchronous pulley assembly, so as to drive the ball screw platform to complete longitudinal movement; the steering mechanism is used to cooperate with the movement of the clamping mechanism during climbing, so that the device can smoothly turn when reaching the cross arm of the tower. The device of the utility model can climb and cross obstacles, is applicable to transmission towers of different structural types including main material angle steel and cross arms, has a strong load capacity, and can carry maintenance equipment to complete maintenance tasks.

The utility model provides an angle-opening branch stabilizing device for landscaping engineering, which comprises a positioning component, elastic clamping mechanisms are arranged on the inner walls of the two ends of the positioning component and used for elastically clamping the positioning component, sliding adjusting structures are arranged at the tops of the two ends of the positioning component, and horizontal adjusting components are arranged at the tops of the sliding adjusting structures and used for adjusting the horizontal adjusting components. The horizontal adjusting assembly is used for horizontally adjusting the garden branches, and a clamping structure is arranged on the inner wall of the horizontal adjusting assembly and used for clamping and fixing the garden branches. According to the open-angle branch stabilizing device for the landscaping engineering, the horizontal adjusting assembly is used in cooperation with the clamping structure, so that an operator can control and adjust the open angle of a branch more visually and accurately, the structure is adjusted to be parallel to the horizontal direction of the branch, applied force is evenly distributed on the surface of the branch, and the branch stabilizing effect is improved. And the fitting degree between the device and the branches is higher. In addition, the device is high in structural flexibility, and the position can be flexibly adjusted in the using process, so that the damage phenomenon to the branches is reduced.

The utility model relates to an optical fiber optical tweezers surface enhanced Raman microfluid detection system, and belongs to the field of biochemical analysis instruments. The system comprises a fishbone-shaped microfluidic substrate, a microsphere control optical fiber, a Raman excitation light transmission optical fiber, a Raman signal receiving optical fiber, a capture light source, a Raman excitation light source, a spectrograph, an electric control displacement platform and a control system, the fishbone-shaped microflow substrate provides a groove for fluid to pass through, and also provides grooves for placing the microsphere control optical fiber, the Raman excitation light transmission optical fiber and the Raman signal receiving optical fiber; the microsphere control optical fiber is arranged on the electric control displacement platform and is connected with the capture light source, so that the distance between microspheres can be regulated and controlled, and the sensitivity enhancement factor of the detection system can be dynamically regulated; the front ends of the Raman signal receiving optical fiber and the Raman exciting light transmission optical fiber are immersed into a central detection area of the fishbone-shaped microflow substrate, and the rear ends of the Raman signal receiving optical fiber and the Raman exciting light transmission optical fiber are respectively connected with the spectrometer and the Raman exciting light source.

The application relates to the field of unmanned aerial vehicle launching, and proposes a near-space unmanned aerial vehicle launching method and system, which comprises the following steps: constructing an environment prediction and state estimation model, setting initial parameters of an ant colony algorithm, taking a starting position and a target position of an unmanned aerial vehicle as initial inputs of an optimization problem, and optimizing a flight track of the unmanned aerial vehicle based on the ant colony algorithm; dynamically adjusting pheromone update rules and transition probabilities in the ant colony algorithm through an environment prediction result, performing multi-objective optimization calculation on flight safety, energy consumption, task completion time and economic cost, and outputting a flight track of the unmanned aerial vehicle and a launching scheme of a carrier vehicle; launching the unmanned aerial vehicle to a specified position in the near space based on the launching scheme, and analyzing real-time environment data obtained in the flight process by using the environment prediction and state estimation model, so that the flight track of the unmanned aerial vehicle can be adjusted in real time. The application improves launching precision and task adaptability of the near-space unmanned aerial vehicle in a complex environment.

The utility model relates to the technical field of wire harness production equipment, and discloses an automatic silicone tube sleeving mechanism for a terminal wire, which comprises a wire positioning mechanism used for fixing the wire at a specified position, a tube sleeving mechanism is arranged in the vertical direction of the wire positioning mechanism, and the tube sleeving mechanism comprises a tube pressing cylinder used for driving a tube pressing block to move up and down. A pipe pressing block is installed at the output end of the pipe pressing air cylinder, a pipe cutting air cylinder is arranged on the side, close to the positioning line mechanism, of the pipe pressing air cylinder, and a chuck air cylinder, a front pipe clamping air cylinder, a rear pipe clamping air cylinder and a pipe feeding transverse moving air cylinder are sequentially arranged on the side, away from the positioning line mechanism, of the pipe pressing air cylinder. The pipe sleeving mechanism further comprises a first-section pipe sleeving transverse moving air cylinder which is used for driving the rear whole silicone pipe to move front and back and sleeving the silicone pipe into the wire by a certain length, and a second-section pipe sleeving transverse moving air cylinder is further arranged below the first-section pipe sleeving transverse moving air cylinder. According to the utility model, the automatic operation of sleeving the silicone tube into the wire rod is realized through the cooperation of the positioning line mechanism and the sleeving mechanism, so that the production efficiency is greatly improved, and the labor cost is reduced.

The application discloses a minimally invasive spinal fusion system based on artificial intelligence, which comprises the following steps: after the deviation warning signal is obtained, the instrument trajectory data is subjected to smoothing filtering processing, the filtered trajectory sequence is obtained, and the filtered trajectory sequence is matched with the updated model grid; the dynamic path adjustment parameter is determined and is built into the surgical robot to adjust the vibration frequency parameter and improve the control experience level; the subsequent image data is processed by using the iterated model version, the temporary deviation caused by the instrument shaking is determined, and the temporary deviation is corrected through the path planning algorithm; the corrected navigation instruction sequence is generated, and the real-time feedback mechanism is applied to transfer the intuitive deviation information; the surgical instrument is driven to adjust the movement through the navigation instruction sequence, the adjusted trajectory data is obtained, and the deviation of the optimized path is compared and optimized in a cycle; if the deviation continuously falls below the threshold value, the current model is maintained, and the final navigation model is output to ensure reliable consistency.

This invention discloses a cutting path virtual simulation method based on digital twins, relating to the field of path simulation, including the following steps: Step 1: Collect or actively set several abnormal states that occur during the processing of the target cutting path, decompose the target cutting path into one or more continuous cutting segments according to the processing sequence, quantify and analyze each cutting segment, generate corresponding label data, and predefine the benchmark cutting equipment operating parameters required to achieve abnormal-free cutting for each cutting segment based on the label data; Step 2: Extract the influence characteristics of each abnormal state defined in Step 1 on the cutting process, realize accurate abnormal monitoring and intelligent adjustment, enhance the realism and reliability of the digital twin model, automatically optimize cutting parameters according to different abnormal states, achieve the goals of improving processing efficiency, reducing energy consumption and extending tool life, and effectively avoid deviations between virtual simulation and actual processing.

The invention relates to the technical field of metal refining, in particular to an electroslag remelting process intelligent regulation and control method for invar alloy preparation, which comprises the following steps: acquiring current data and historical data; acquiring a basic power decline curve based on historical data; acquiring a pause section and a non-pause section according to the basic power decline curve; the degree that a temperature change rate curve of the cooling water gradually approaches 0, the degree that an electrode weight change rate curve gradually approaches 0 and the balance degree of input and output at the temperature measuring point are obtained through the current data corresponding to the pause section and the non-pause section; according to the degree that the temperature change rate curve of the cooling water gradually approaches to 0, the degree that the weight change rate curve of the electrode gradually approaches to 0 and the balance degree of input and output at the temperature measuring point, the matching degree of heat output and heat input is obtained; and adjusting the power decline rate based on the matching degree of the heat output and the heat input. According to the invention, accurate control and adjustment of the electroslag remelting process can be realized.

This utility model discloses a positioning fixture for steel formwork production and processing, including a positioning groove plate disposed below the steel formwork. The positioning groove plate has a clamping assembly for fixing the steel formwork inside. Auxiliary components for adjusting the position of the steel formwork are disposed on both sides of the positioning groove plate. Each auxiliary component includes multiple sets of rotating ball grooves located on both sides of the positioning groove plate, with rolling balls disposed inside the rotating ball grooves. The rolling balls are located between the steel formwork and the positioning groove plate, allowing the steel formwork to move and adjust its position on the positioning groove plate via the rolling balls. This utility model, through the design of the clamping assembly and auxiliary components, can quickly and stably fix steel formwork of different models. During welding, cutting, and other operations of the steel formwork, it can reduce manual operation time and improve production efficiency.

The invention discloses a news information credibility dynamic evaluation system and method for emergencies, and belongs to the technical field of news information management, and the system comprises a propagation tracking evaluation module, an information credibility evaluation module and a credibility evaluation adjustment module. According to the method and the device, the propagation chain data in the news information propagation process is acquired to obtain the propagation tracking evaluation result, so that the transparency and controllability of news information propagation are improved, and whether propagation tracking optimization for improving the news information propagation accuracy is triggered or not is further judged according to the received propagation tracking evaluation result; the overall accuracy of the news information in the spreading process is effectively improved, on the basis, whether dynamic credibility evaluation adjustment is executed or not is judged in combination with the obtained credibility evaluation detection result, the news information credibility evaluation accuracy and reliability are improved, and the news information credibility evaluation efficiency is improved. The problem that the news information credibility evaluation result is low in accuracy in the prior art is solved.

The utility model discloses a cleaning device suitable for outer walls of stainless steel pipes with multiple calibers, which relates to the technical field of stainless steel pipe cleaning and comprises a vertical plate, a base plate is arranged below one side of the vertical plate, a three-disc clamping jaw used for fixing steel pipes with different calibers is arranged on the upper portion of the base plate, and a lifting assembly is further arranged on the vertical plate. A cleaning assembly is arranged on one side of the lifting assembly. According to the cleaning device suitable for the outer wall of the multi-caliber stainless steel pipe, precise positioning and dynamic adjustment of the wiping cleaning ball are achieved by precisely controlling cooperative action of the servo motor and the inner gear. The mechanism can intelligently adapt to steel pipes with different diameters, it is ensured that the wiping cleaning ball makes close contact with the pipe wall, meanwhile, the annular plate rotates along with rotation of the driving motor, and all-directional wiping and cleaning of the outer wall of the steel pipe are achieved. By means of the design, the efficiency of cleaning operation is improved, and the cleaning effect is enhanced.

The invention discloses a tea harvesting robot based on a 3-RRRU parallel mechanism. The tea harvesting robot comprises a tea harvesting and transmitting unit, a tea collecting unit and a flight carrying unit. The tea leaf picking and conveying unit adopts a 3-RRRU parallel mechanism to drive a picking clamping jaw, and has the characteristics of large working space, high rigidity and weak coupling of movement; the tea leaf collecting unit is of a positive-pressure pneumatic instantaneous blowing type structure, and at the moment when the clamping jaw cuts the tea leaves, a side air nozzle generates directional high-speed air flow to blow the fresh leaves into a collecting box along a preset channel. Air blowing is started instantly only after cutting, high energy consumption caused by continuous operation of a traditional negative pressure suction mode is avoided, and the operation cost of the system is effectively reduced. Meanwhile, the robot is carried on an aircraft, has the capacity of crossing over complex terrains, can adapt to the unstructured environment of tea gardens in hills and mountainous regions, achieves autonomous picking with full-area coverage, and breaks through the limitation of the terrains on ground walking type equipment.

The invention relates to the field of hemostasis headbands, and discloses an individual soldier head intelligent pressurization hemostasis headband which comprises a hemostasis headgear, multiple sets of pressing air bags are evenly distributed in the hemostasis headgear, a tightening hook-and-loop fastener is arranged on the lower side of the hemostasis headgear, and three sets of fixing hook-and-loop fasteners are arranged on the upper side of the hemostasis headgear. The left side and the right side of the hemostasis head sleeve are each provided with an installation base, the sides, away from each other, of the two installation bases are provided with a remote control air pump through an installation assembly, and the outer side of the hemostasis head sleeve is provided with a remote control device. The head band further comprises a control module, an air supply module, a man-machine interaction module, a pressure sensing module, a partition closed-loop control module, a wireless communication module and an emergency manual mode module. By means of partitioned closed-loop control of the multiple sets of pressing air bags, accurate adjustment and maintenance of pressure of all areas of the head are achieved, and a wearer can rapidly and controllably complete multi-area hemostasis under the single-soldier operation condition.