22results about How to "Reduce return rate" patented technology

The present application relates to the technical field of industrial steam turbine design, and in particular to a cylinder cat's claw support structure, a steam turbine and a method for checking the stability of a steam turbine. The cylinder cat's claw support structure includes a cat's claw, a distance connection piece and a clamping assembly; the cat's claw is arranged at the center plane of the cylinder, and the cat's claw is connected to the cylinder through the distance connection piece; the clamping assembly is detachably arranged on the side of the cat's claw that is away from the center plane, and the clamping assembly can use the distance connection piece as a fulcrum to clamp the cat's claw toward the center plane. The steam turbine includes the steam turbine cat's claw support structure. The method for checking the stability of the steam turbine is used to check the stability of the steam turbine including the cylinder cat's claw support structure. The cylinder cat's claw support structure, the steam turbine and the method for checking the stability of the steam turbine can prevent the cat's claw from deviating from the center plane and being unable to recover after leaving the factory during the design stage, and can also prevent the steam turbine from easily tipping over during use.

This invention discloses a method for acclimatizing mandarin fish fry with a low refeeding rate, characterized by the following steps: S1. Preparation of acclimatization facilities; S2. Selection and stocking of fry; S3. Feeding with live bait; S4. Feeding with frozen fish; S5. Transition feeding; S6. Feeding with pelleted feed. This invention utilizes coated frozen fish and fish-shaped biomimetic feed as transitional baits, and employs a gradual, phased acclimatization process, allowing mandarin fish fry to gradually adapt to the changes in flavor, shape, and texture from live bait to pelleted feed. The acclimatization rate can reach over 92% in a single attempt.

The utility model discloses an auxiliary jig with a solar stopwatch for testing, which comprises a testing jig, a testing lamp used for testing is arranged in the testing jig, and a testing stopwatch needing solar testing is fixed above the testing lamp. The auxiliary jig has the effect of simulating sunlight to carry out solar test on the test stopwatch so as to reduce the return rate.

This utility model discloses a data analysis device for an integrated warehouse with return risk warning, comprising a first conveyor belt, a second conveyor belt, and a visual inspection mechanism. One end of the first conveyor belt is equipped with a barcode scanner, and the other end is equipped with a pushing mechanism. One end of the second conveyor belt is close to one end of the first conveyor belt, and the second conveyor belt is inclined. A transparent plate runs through the middle of the second conveyor belt, and the other end of the second conveyor belt is equipped with a sorting mechanism, an OK (OK) shipping area, and an NG (Not Good) shipping area. The visual inspection mechanism photographs five sides of the goods and a sixth side of the goods through the transparent plate. This utility model provides an integrated data analysis device for a warehouse with return risk warning, which sorts goods with damaged outer packaging through the visual inspection mechanism, reducing the risk of returns due to product quality issues.

The utility model relates to the technical field of computer bases, in particular to a lifting type computer base which comprises a supporting mechanism, the supporting mechanism comprises a supporting column, a bottom block is arranged in the supporting column, a spring is arranged at the top of the bottom block, a limiting plate is arranged in the supporting column, and a lifting mechanism is arranged on the limiting plate. A limiting pipe attached to the limiting plate is arranged in the supporting column. The sliding mechanism comprises a sleeve, a support is arranged on the outer edge face of the sleeve, the support extends into the sleeve and is connected with a connecting column, the connecting column is arranged in the sleeve, the bottom end of the connecting column is connected with a limiting column, the limiting column is arranged in the supporting column in a sliding mode, and a limiting claw facing the connecting column is arranged in the limiting plate. And a U-shaped limiting piece is arranged at the top of the limiting plate. The base has the advantages of being simple in structure, reasonable in design, provided with a protection structure, capable of avoiding the phenomenon that the base pops up, capable of eliminating potential safety hazards and capable of reducing the return rate, and worthy of being widely applied and popularized.

This invention discloses an ironmaking method using a high proportion of small-particle-size sinter, belonging to the field of blast furnace ironmaking technology. Addressing the problem of resource waste and increased costs caused by traditional processes using <5mm sinter as return ore, the method adjusts the sinter screening specifications to 7mm at the top and 5mm at the bottom, transforming 5-7mm particle-size sinter from return ore into furnace feed. Simultaneously, a center-addition coke feeding mode is adopted, with 5-7mm sinter distributed as small-particle sinter in the central ring area of ​​the furnace throat. Combined with optimized return ore screening, controlled furnace top pressure, optimized coke structure and particle size, adjusted blast system, controlled blast temperature and coal ratio, and controlled molten iron temperature, a high proportion of small-particle-size sinter can be applied, reducing the return ore rate by approximately 2%, increasing gas utilization by approximately 2%, reducing the fuel ratio by approximately 2.5 kg / t iron, and reducing the coal ratio by approximately 5 kg / t iron. This results in annual savings of several million yuan in return ore processing costs and significantly improves furnace stability, making it suitable for smelting ordinary ores and vanadium-titanium ores.

The invention relates to the technical field of clothing, in particular to a three-dimensional clothing upper body effect generation method and system, and the method comprises the steps: obtaining body shape data uploaded by a user through electronic equipment, carrying out the preprocessing of the data, and generating the registration information of the user; constructing a three-dimensional body model according to the registration information; performing clustering analysis on all the three-dimensional body type models by adopting a hierarchical clustering algorithm to form a plurality of user body type categories; the basic format of the garment is adjusted according to the multiple user body type categories so as to adapt to the user requirements of different body type categories; storing the adjusted various garment formats into a garment format database, wherein each format corresponds to a specific user body type category; searching and matching a target clothing format in a clothing format database according to the clothing type selected by the user and the body type data of the user; and the matched target garment format is superposed on the user body model in the form of the three-dimensional model, so that visual display of virtual fitting is realized, and the garment is more suitable for the user.

The utility model relates to an igniter for a sintering machine, which is applied to the technical field of sintering production, solves the problems that the edge effect is easy to generate on the edge of the existing sintering pallet, and the productivity of the sintering machine and the quality of sintered ore are restricted. An ignition assembly I and an ignition assembly II are sequentially arranged on the upper end face of the furnace body in the running direction of the sintering pallet, the ignition assembly I comprises at least two edge ignition nozzles, and the two edge ignition nozzles are oppositely arranged on the two sides of the furnace body in the transverse direction. The two edge ignition nozzles are used for igniting sintering materials laid on the edges of the two transverse sides of the sintering pallet, the ignition assembly II comprises a plurality of first ignition nozzles, the first ignition nozzles are distributed on the furnace body in at least one row, and the ignition assembly further comprises a gas source assembly for supplying gas to the edge ignition nozzles and the first ignition nozzles; the method has the effects of increasing the thickness of a combustion layer, inhibiting the edge effect, improving the ignition strength of a mixture at the edge of the sintering pallet and effectively reducing the return rate of sintered ore.

The utility model discloses a self-cleaning conveying track for producing condoms, which relates to the field of family planning supply production equipment and comprises a conveying track body, a first mounting rack is in threaded connection with the upper end of the conveying track body, a water storage tank is fixedly connected with the upper end of the first mounting rack, and a connecting pipe is mounted on the outer side wall of the water storage tank. A water pump is installed at the upper end of the first installation frame, the other end of the connecting pipe is installed at a water inlet of the water pump, a spraying head is installed at the upper end of the interior of the first installation frame, and a water outlet of the water pump communicates with the spraying head; cleaning heads are mounted at the bottom ends of the connecting blocks. Due to the adoption of the structure, the time and labor cost required for replacing the cleaning head are reduced, the production efficiency is improved, and the possibility of loosening or falling off can be reduced while the connection strength is ensured.

The invention belongs to the technical field of pricing decision making, and particularly relates to a manufacturer pricing decision making method and system under multiple influence factors, and the method comprehensively considers the social learning behaviors of consumers, the return freight insurance policy of an e-commerce platform and the cooperation mode between a manufacturer and the e-commerce platform. By collecting consumer social learning behavior data, e-commerce platform return freight insurance policy data and manufacturer product sales data, a pricing decision model including a manufacturer, an e-commerce platform and consumers is constructed. The model can derive an optimal pricing strategy combination and a sales strategy combination of a manufacturer, thereby helping the manufacturer to accurately position a target customer group in a proxy sales mode, and maximizing the potential profit of the manufacturer. According to the invention, a scientific pricing decision basis is provided for manufacturers, and the market competitiveness can be improved.

The invention provides a method and device for automatically cutting a tire lining layer. The method comprises the steps that the specification of a currently produced tire lining layer is obtained, and the specification of a next produced tire lining layer is obtained; judging whether specification alternation of the tire lining layer is carried out at the current moment, and judging whether a first executing mechanism is started to carry out specification adjustment on the tire lining layer according to a judgment result; and the PLC is used for controlling the first executing mechanism to adjust the specification of the tire lining layer, and controlling the second executing mechanism to automatically cut the part, which does not conform to the specification after alternation, of the tire lining layer in the specification alternation process. The problem that at present, an alternating part of the tire lining layer needs to be manually identified and manually cut, and consequently unqualified products flow into the next procedure is solved, accurate removal of the unqualified products during specification alternation of the tire lining layer is achieved, the return rate of the tire lining layer is greatly reduced, and the production efficiency is improved. The intelligent degree, the usability and the reliability of the system are improved to a great extent.

The utility model provides an anti-fracture connection structure between a plugging element and a circuit board. The anti-fracture connection structure comprises the circuit board, the plugging element connected to the circuit board and a jumper wire used for reinforcing the plugging element. The circuit board is provided with an element bonding pad, a main jumper wire bonding pad and an auxiliary jumper wire bonding pad. The plug-in element comprises a pin inserted into an element bonding pad; two ends of the jumper wire are respectively inserted into the main jumper wire bonding pad and the auxiliary jumper wire bonding pad; the jumper wire is inserted into one end of the main jumper wire bonding pad and is fixedly connected with the circuit board together with the pin, so that the pin is electrically connected with the jumper wire; the circuit board is provided with a circuit track used for conducting among different bonding pads, one end, inserted into the auxiliary jumper bonding pad, of the jumper and the circuit track are fixedly connected to the circuit board together, and the jumper is electrically connected with the circuit track. The utility model has the advantages of high stability and fracture prevention between the plugging element and the circuit board.

The present invention relates to the field of model construction technology, and in particular to a method for constructing a transaction decision model for logistics data analysis. The method comprises the following steps: obtaining comprehensive logistics data; performing data preprocessing on the comprehensive logistics data to generate standard comprehensive logistics data; performing cargo value assessment on the standard comprehensive logistics data to generate cargo value assessment data; performing initial transportation mode analysis on the logistics transportation cargo information data based on the cargo value assessment data to generate initial logistics transportation mode data; performing first logistics transaction fee confirmation on the initial logistics transportation mode data based on the cargo value assessment data to obtain first logistics transportation transaction data; performing intelligent perception of logistics transportation cargo using sensors to obtain logistics cargo intelligent perception data. The present invention improves the accuracy and comprehensiveness of transaction decision model construction through standardized data processing, dynamic transportation mode selection, reverse logistics cost analysis and machine learning decision making.

The invention discloses a garment matching scheme generation method and system based on a neural network. A garment matching scheme generation method based on a neural network comprises the following steps: step 1, acquiring a plurality of whole-body photos of a user and three-dimensional information of the user, and establishing a three-dimensional human body model of the user; 2, obtaining a commodity selected by a user, and extracting color information, size information and shape information of clothes from a commodity page to obtain rendering information; 3, obtaining a historical clothes shopping record of the user, and extracting a plurality of clothes matching schemes from the selected commodities based on an association degree algorithm; and step 4, obtaining rendering information of each garment in the garment matching scheme, and rendering the rendering information into the three-dimensional human body model to obtain a garment wearing effect model. According to the technical scheme provided by the invention, the clothes matching effect can be visually reflected, the shopping experience of the user is improved, and the purchasing efficiency is improved.

This invention discloses a system and method for predicting and evaluating the dynamic performance of fabrics and garments based on multi-dimensional sensing. The system includes: a control module for generating composite motion commands to drive an actuator to apply a composite dynamic load, including axial tension, radial torsion, and normal impact, to a fabric sample; a multi-modal sensing module for simultaneously acquiring image signals, acoustic signals, and mechanical signals from the fabric sample; a feature extraction module for preprocessing the multi-modal signals and extracting quantized feature vectors; an AI prediction module with a built-in deep learning model for inputting the quantized feature vectors and outputting the predicted dynamic performance of the garment; and an output module for visualizing the prediction results. This invention can simulate the complex mechanical states exerted on fabrics by real human activity, achieve objective quantification of subjective indicators such as feel and style, and accurately predict garment performance through a deep learning model. It can be widely applied in fabric research and development, garment design, and quality control.

This invention discloses a high-strength biomass carbon-containing pellet, its preparation method, and its application, relating to the field of blast furnace ironmaking technology. The pellet comprises the following raw materials by mass fraction: 70%–85% iron ore, 4%–15% binder, 5%–11% biochar, and 1%–3% basic flux. The high-strength biomass carbon-containing pellet of this invention exhibits high strength and good wear resistance. Its high thermal detonation temperature and low thermal detonation index effectively reduce powder generation after entering the blast furnace. The high-strength biomass carbon-containing pellet exhibits superior reducibility, reductive expansion, and low-temperature reductive pulverization performance compared to traditional sintered ore, pelletized ore, and lump ore. It can be directly used as blast furnace feedstock, reducing the amount of coke used in blast furnace smelting, thereby reducing ironmaking costs and CO2 emissions, resulting in significant economic, social, and ecological benefits.

This invention discloses a method for controlling the weight of the intermediate silo in the unloading section of a sintering system's annular cooler. It includes: 1) establishing a silo weight model based on historical data of the annular cooler's speed, historical data of the plate feeder's speed, and historical weight data of the intermediate silo; 2) using the constructed silo weight model to determine the speed of the plate feeder. V 1. Average weight of silo W ;3) Set the weight range of this control response output to [ W 1, W 2]; where W1 is the lower limit threshold of the intermediate silo weight, and W2 is the upper limit threshold of the intermediate silo weight; 4) when the average weight of the silo W Less than the lower threshold W 1 and duration t When the value exceeds the predetermined value, the speed of the plate feeder is adjusted; or when the average weight of the hopper is... W Greater than the upper limit threshold W 2 and duration t 5) The speed of the plate feeder is adjusted when the predetermined value is exceeded. The method of this invention allows for the prediction and setting of the plate feeder speed.

The invention discloses a multi-type fresh food community group purchase path planning method considering heterogeneous customer demands. The method comprises the following steps: S1, modeling three punishment costs according to a fresh food freshness decline curve and customer satisfaction; s2, constructing a multi-type fresh food community group purchase distribution path optimization model considering heterogeneous customer demands; and S3, using a large-scale neighbor search algorithm to solve a multi-type fresh food community group purchase path planning scheme considering heterogeneous customer demands. According to the method, a multi-type fresh food distribution efficient optimization scheme can be systematically designed according to goods taking time window requirements of different types of customers, the freshness requirement of the distributed fresh food is ensured, the satisfaction degree of the customers on the freshness of the distributed fresh food is improved, and the goods return probability is reduced. Meanwhile, a large-scale neighbor search algorithm is used as a distribution path optimization algorithm, the algorithm is high in applicability, high in expansibility and insensitive to real-time parameters, and good solving quality can be obtained.

The utility model provides a kind of adjustable sintering machine pressure roller device, including pressure device and trolley, the pressure device connects trolley, the pressure device includes adjusting hand wheel, adjusting screw rod, fixed plate, pressure roller and stabilizer, the adjusting hand wheel connects adjusting screw rod, the adjusting screw rod connects fixed plate, pressure roller support, the pressure roller support connects pressure roller, stabilizer, the trolley connects air bellow;The utility model is provided with five groups of adjustable pressure roller between seven rollers and ignition platform, combined with adjusting screw rod and stabilizer structure, realizes material surface dynamic flattening.The device significantly improves cloth flatness, reduces return ore rate, improves sintered ore output and quality, with the advantages of simple structure, strong adaptability.

The utility model relates to the technical field of switch detection, and provides an automatic detection device for a switch, which comprises a rack, a moving assembly is arranged on the rack, the moving assembly is provided with a stirring piece and a pressing rod, and the moving assembly drives the stirring piece and the pressing rod to move on the rack. The toggle part and the toggle switch abut against each other, the toggle part moves from one end of the toggle switch to the other end of the toggle switch and is used for detecting the toggle times of the toggle switch, and at the same time, the pressing rod movably abuts against the button switch, extrudes the button switch and is used for detecting the pressing times of the button switch. Through the method for detecting the toggle times and the pressing times of the toggle switch and the button switch respectively, unqualified finished switches can be picked out, and qualified finished switches can be packaged and delivered, so that the service life of the switches during delivery is ensured, and meanwhile, the return rate caused by too short service life is also reduced.

The utility model discloses a multifunctional fresh air conditioner and its end cover structure, including end cover body, the end cover body is provided with knock-off hole, also including air inlet cover, the air inlet cover includes first plate portion and second plate portion, the side end of first plate portion is connected with the lower end of second plate portion, the inner side of second plate portion is convexly equipped with first mounting portion, and the second plate portion is equipped with second mounting portion. A plurality of air inlet holes are formed in the second plate part; a second mounting part is arranged at each of the two ends of the first plate part; the two sides of the knock-off hole in the end cover body are each provided with a connecting plate, the two connecting plates are each provided with a third mounting part matched with the second mounting structure, and the air inlet cover is connected with the third mounting parts of the connecting plates on the end cover body through the second mounting parts of the first plate parts. According to the scheme, when the installation environment of a client cannot meet the requirement for fresh air, the fresh air module can be connected with the first installation part of the air inlet cover through the air inlet pipe, so that the fresh air module communicates with indoor air, and the fresh air module of the fresh air conditioner is used as a purifier.