158results about How to "Lose weight" patented technology

The invention discloses a charging station dynamic recommendation method and system based on multi-dimensional real-time data, and relates to the technical field of big data analysis, and the charging station dynamic recommendation method based on the multi-dimensional real-time data comprises the steps: obtaining charging data of all users according to charging requests of the users, the charging data comprises historical order data, real-time charging gun data, charging pile data and charging station data; based on the charging data of all users, constructing a multi-source heterogeneous relational graph of an associated order, a charging gun, a charging pile and a charging station, and constructing a corresponding initial feature vector for each node in the multi-source heterogeneous relational graph; and updating all charging station node features based on adjacent order nodes, order node information of each user, charging gun node features and charging pile node features so as to obtain final all charging station node features, calculating recommendation indexes of all charging stations, and recommending the charging stations to the users. And the recommendation result can better meet the real intention of the customer and the station operation collaboration.

The utility model discloses a kind of winding wheel structures of spinning reel type fishing reel, the utility model relates to spinning reel type fishing reel technical field.The winding wheel structure of spinning reel type fishing reel includes driving shaft, the outside of driving shaft is inserted and installed with support frame, the outside fixed mounting of support frame has wire cup, the both ends of support frame are embedded and installed with bearing, the inside fixed mounting of bearing has nylon ring, the both ends of support frame are embedded and installed with clamping pad, the outside mirror image symmetry of driving shaft is installed with two groups of unloading mechanism, gasket group is located between the both ends clamping pad of support frame and protection plate, gasket group is made of two pieces of nylon gasket sandwiching a piece of metal gasket, this mode can replace the part of contact between support frame and gasket group with detachable replacement clamping pad and protection plate, and by limiting the relative angle between clamping pad and support frame, between protection plate and limiting ring, to prevent wire cup and limiting ring appear abrasion when wire cup unloads and pay-off.

The application discloses application of O-acyl-alpha-hydroxy acid compounds in weight loss and lipid reduction, and belongs to the fields of biological medicine manufacturing, biological medicine use and functional food development. The O-acyl-alpha-hydroxy acid compounds can inhibit weight growth of high-fat diet-induced obese model mice and reduce body fat. Compared with GLP-1 receptor weight loss drugs which achieve the effect of reducing weight by inhibiting appetite, the O-acyl-alpha-hydroxy acid compounds are not dependent on appetite inhibition, and can reduce side effects such as gastrointestinal discomfort and muscle loss caused by inhibiting appetite. When combined or sequentially administered with GLP-1 drugs, the O-acyl-alpha-hydroxy acid compounds can maintain or enhance the weight loss effect while improving the side effects caused by GLP-1, and can prevent the risk of significant weight rebound after stopping GLP-1 by maintaining body weight. The application provides a safe and effective new strategy for weight loss and lipid reduction.

The invention discloses a lactobacillus brevis with broad-spectrum bacteriostatic activity and a separation method and application thereof, and belongs to the technical field of microorganisms, in particular to a lactobacillus brevis AW04 with broad-spectrum bacteriostatic activity, which is characterized in that the lactobacillus brevis AW04 is preserved in the China Center for Type Culture Collection, the lactobacillus brevis AW04 is preserved in the China Center for Type Culture Collection, the lactobacillus brevis AW04 is preserved in the China Center for Type Culture Collection, and the lactobacillus brevis AW04 is preserved in the China Center for Type Culture Collection. The address is Wuhan University Campus, Wuchang District, Wuhan City, Hubei Province; the postcode is 430072; the preservation number of the strain is CCTCC M 20241970; the preservation date is September 13, 2024. The strain provides a novel, safe and efficient strain resource for developing microecological preparations, feed additives or veterinary drugs for preventing and treating bacterial diarrhea of animals such as calves and the like, and has important value for reducing the use of antibiotics in the breeding industry and coping with bacterial drug resistance crisis. The strain can be produced on a large scale by using the existing fermentation technology and is convenient to apply.

The utility model provides an EPS steer-by-wire motor shaft. The EPS steer-by-wire motor shaft comprises a mounting shell, a shaft sleeve and a shaft sleeve, the driving component is mounted in the mounting shell, a connecting assembly is mounted at the output end of the driving component through a clamping block, a connecting shaft is mounted at the other end of the connecting assembly through a clamping groove, a stabilizing shaft is fixedly connected to the other end of the connecting shaft, and an output shaft is fixedly connected to the other end of the stabilizing shaft; a transmission gear is installed at the other end of the output shaft through a fixing buckle, an oil outlet is formed in the outer surface of the transmission gear, and through weight reduction openings are formed in one end of the connecting shaft, one end of the stabilizing shaft and one end of the output shaft. According to the EPS steer-by-wire motor shaft provided by the utility model, the steering motor shaft which is light in weight is adopted through the design, so that the rotating stability of the steering motor shaft is improved, meanwhile, the lubricating effect is kept at the joint of the transmission gear and the gear box in a manner of continuously injecting lubricating oil, and the EPS steer-by-wire motor shaft is beneficial to reducing abrasion and prolonging the service life of the joint.

The application discloses a kind of slimming traditional Chinese medicine composition and preparation method thereof, it is related to slimming traditional Chinese medicine technical field.Slimming traditional Chinese medicine composition includes the following weight parts of Chinese medicinal materials: 30-45 parts of raw astragalus, 10-15 parts of prepared atractylodes rhizome, 15-23 parts of cassia bark, 20-30 parts of dried tangerine or orange peel, 30-45 parts of lotus leaf, 20-30 parts of raw hawthorn, 15-23 parts of kelp, 10-15 parts of turmeric, 10-15 parts of fried Semen Raphani, 10-15 parts of raw safflower stigma.The preparation method includes the following steps: the weight parts of the above-mentioned Chinese medicinal materials are extracted by water decocting.The traditional Chinese medicine composition of the application has the effects of benefiting qi and invigorating the spleen, resolving phlegm and eliminating dampness, and is also compatible with drugs for warming kidney and assisting yang, eliminating phlegm and resolving mass, and has the combined effects of treating both symptoms and root causes, tonifying deficiency and eliminating excess, which can increase energy consumption of the body, reduce fat generation and storage to achieve the effect of weight loss.The traditional Chinese medicine composition of the application is mainly composed of food-medicines, and can be taken for a long time.

The application relates to a compact active artificial knee joint with a torque adjusting device, which comprises a knee joint module, a receiving cavity connecting block, a lower leg connecting piece and a torque adjusting device, wherein the torque adjusting device comprises a spiral spring, a bent spring groove and the like, the knee joint module comprises a knee joint shell, a knee joint shaft center, a knee joint stator sleeve end cover and the like, one end of the spring is fixed at the upper receiving cavity connecting lug through an opening on the motor stator sleeve end cover, and the other end is fixed in the bent spring groove at the position of the motor stator sleeve end cover and the knee joint shaft center. The torque adjusting device can realize torque assistance and adjustment according to the angle size and direction of the limb rotation; meanwhile, the driving peak torque of the motor can be reduced, the size and the maximum torque of the driving motor are smaller due to the fact that the artificial limb needs to be easily worn, energy consumption and space are saved.

The utility model relates to the technical field of concrete square piles, and discloses an anti-compression and anti-pulling precast concrete square pile which comprises a concrete square pile body, a pile tip and an anti-pulling mechanism, the pile tip is fixedly arranged at the bottom end of the concrete square pile body, and the anti-pulling mechanism is fixedly arranged at the outer end of the concrete square pile body. An auxiliary mechanism is fixedly arranged at the inner end of the concrete square pile body; the anti-pulling mechanism comprises grooves, barb-shaped steel bars and anti-rust paint, the grooves are evenly formed in the outer end of the concrete square pile body, the barb-shaped steel bars are fixedly arranged on the side, close to the pile tip, of the outer end of the concrete square pile body, and the barb-shaped steel bars extend to the inner end of the concrete square pile body. According to the compression-resistant and pulling-resistant prefabricated concrete square pile, by arranging the pulling-resistant mechanism, the pulling-resistant performance of the concrete square pile is conveniently improved, the buoyancy of underground water is conveniently resisted, the anti-seismic effect is improved, normal use of a building is guaranteed, the use requirements of people are conveniently met, and the practicability is improved.

This utility model discloses a vehicle energy-absorbing box, comprising: a fixing plate for fixing to the frame of a bus; a cylindrical first upright plate on the upper surface of the fixing plate; a collision plate on the upper part of the first upright plate; multiple arc-shaped holes distributed circumferentially on the outer peripheral wall of the first upright plate, the arc-shaped holes spirally arranged from bottom to top along the outer peripheral wall of the first upright plate; a second upright plate disposed inside the first upright plate, the second upright plate being perpendicular to the fixing plate; and multiple notches spaced vertically on the two opposite side walls of the second upright plate, the openings of the notches facing the inner wall of the second upright plate. This vehicle energy-absorbing box has a simple structure, and the arc-shaped holes on the first upright plate and the notches on the second upright plate guide the first and second upright plates to rotate and deform upon collision, which is beneficial for better absorption of collision energy.

The application discloses an extrusion blow molding product with high rigidity and a preparation method thereof, and relates to the technical field of packaging materials. The extrusion blow molding product comprises the following components in percentage by weight: bimodal polyethylene 25-85%, unimodal polyethylene 15-75%. The application effectively improves the technical defects of narrow temperature window, uneven wall thickness, melt easy sagging, blow breaking, large flash and the need to reform the bottle blowing equipment when using bimodal polyethylene alone by blending bimodal polyethylene with unimodal polyethylene and adjusting the blow molding process. Meanwhile, the high rigidity of bimodal polyethylene is retained, the compression strength of the prepared blow molding product can be increased by 20% at most compared with the unimodal polyethylene product, the product weight per unit area is reduced by 7-8%, and the raw material cost can be greatly reduced.

This invention relates to a traditional Chinese medicine combination for treating intrahepatic cholestasis, which is made from the following raw materials in parts by weight: Artemisia capillaris and Glycyrrhiza uralensis 5:1 and 3:1. This invention also provides the preparation of the above-mentioned medicine and its use in treating intrahepatic cholestasis. Its advantages are: the traditional Chinese medicine composition of this invention (Artemisia capillaris and Glycyrrhiza uralensis decoction) has a significant ameliorative effect on intrahepatic cholestasis (non-obstructive type) induced by a 1% CA-containing diet in mice. Artemisia capillaris and Glycyrrhiza uralensis decoction can alleviate weight loss in mice and improve liver necrosis; significantly reduce serum ALT and ALP levels in mice; reduce the content of total bile acids in the liver and decrease the proportion of toxic bile acid taurine deoxycholic acid (TDCA) in the bile acid pool; upregulate liver BSEP protein expression to promote bile acid efflux; and downregulate liver NLRP3 protein expression to alleviate liver necrosis.

This invention discloses the application of α-hydroxyisocaproic acid in weight loss and lipid reduction, belonging to the fields of biopharmaceutical manufacturing, biomedical applications, and functional food development. This invention confirms the application of α-hydroxyisocaproic acid in weight loss; this compound can inhibit weight gain in high-fat diet-induced obese mouse models, reduce body fat, and decrease the area of ​​adipocytes in high-fat diet-induced obese mouse models. Compared to GLP-1 receptor weight-loss drugs that reduce weight by suppressing appetite, the compound α-hydroxyisocaproic acid intervenes in and prevents obesity by accelerating fat metabolism, thereby achieving weight reduction. This invention provides a safe and effective new strategy for weight loss and lipid reduction.

This invention discloses a reinforcement structure and construction method for reconstructing load-bearing components using prestressed porous slab openings. The method includes site survey and structural assessment; reinforcement design calculations; construction preparation and opening pretreatment; prefabrication of steel trusses and installation of grouting pipes; installation and positioning of steel trusses; installation of grouting sealing templates; grout preparation and pressure grouting; monitoring and pressure holding during grouting; curing and template removal; repair of openings on the slab surface; treatment of the slab bottom and bonding of carbon fiber cloth; and quality inspection and acceptance. This invention provides a safe, efficient, economical, and minimally impactful innovative solution for reinforcing and improving the performance of masonry structures by opening openings in prestressed porous slabs.

The application relates to a water and fertilizer integrated control strategy recommendation method and system based on multi-objective optimization, multiple groups of water and fertilizer test treatments are laid out, irrigation amount, nitrogen, phosphorus and potassium amount, yield and auxiliary parameters are collected to form water and fertilizer samples, water and fertilizer vectors are constructed and relative yield is converted, sample sets are established by cleaning abnormal values and unifying units, and water and fertilizer limits are stored; a root zone effective water and nitrogen coupling enhancement feature is constructed, an improved Matern kernel function Gaussian process proxy model with a fractal dimension scale and a threshold penalty is introduced, and a multi-objective function is built relying on posterior prediction; the proxy model is used as a rapid evaluator, multi-objective continuous ant colony optimization is adopted, pheromone is updated through population initialization, elite archive maintenance, covariance matrix sampling and stress-free maintenance day constraint, and a Pareto front strategy set is obtained through iteration; finally, the model and the optimization algorithm are deployed to a field system, and executable water and fertilizer prescriptions are output cycle by cycle. The application can accurately adapt to field water and fertilizer demand, improve quality, increase efficiency, save water and save fertilizer.

The utility model discloses a kind of coal-fired unit furnace inner lifting platforms, including girder, reinforcing beam, side beam, vice beam, folding beam, protector, main hoisting device, hinge, pressing plate, cable-stayed point, cable-stayed upright, railing seat, guide wheel and square pressing plate.Girder and vice beam cross connection form load-bearing frame, reinforcing beam is set below girder to improve rigidity, side beam is surrounded in the periphery of frame.Folding beam is connected with girder or side beam by hinge, fixed by pressing plate and square pressing plate when unfolding, folded around hinge when folding.Main hoisting device cooperates with steel wire rope, steel wire rope is connected with winch through guide wheel, realize platform lifting;Cable-stayed upright and cable-stayed point form triangular support structure, for offsetting horizontal thrust.Protector is used to prevent overload or falling accident, railing seat is used to install safety protection component.The utility model platform structure is stable, safe and reliable, can cover boiler furnace dividing screen and screen superheater area, improve maintenance efficiency and reduce cost.

The application discloses a shear connector, a steel-concrete composite beam containing the shear connector and a construction method of the steel-concrete composite beam. The shear connector comprises an inverted truncated cone type cylinder (7), a stiffener, a cover plate, a penetrating steel bar (8) and a high-strength bolt (21); the stiffener comprises an integrally formed stiffener bottom plate (13) and a stiffener side plate (14), the size of the stiffener bottom plate is consistent with the size of the lower opening of the cylinder, and the stiffener bottom plate is attached to the lower opening of the cylinder; the stiffener bottom plate is provided with a second connecting hole for connecting the high-strength bolt; the stiffener side plate is arranged around the stiffener bottom plate and is attached to the inner wall of the cylinder; the height of the stiffener side plate is lower than that of the first connecting hole; the cover plate covers the upper opening of the cylinder; the penetrating steel bar transversely passes through the cylinder through the first connecting hole and leaves a connecting section on each side of the cylinder; and the high-strength bolt connects the stiffener bottom plate through the second connecting hole. The application realizes the disassembly and replacement of each component of the shear connector and the prefabricated bridge deck; and the structure form and stress performance of the shear connector are optimized.

This invention relates to the field of engineering management data processing and discloses a highway maintenance and construction management system based on a smart construction site. The system includes: a multi-source data synchronous receiving module for parallel access to the positioning trajectories and electronic waybill data streams of operating machinery and material transport vehicles; a kinematic handshake determination module for calculating the speed vector difference between the two vehicles and generating a material supply docking logic locking time window when a preset kinematic coupling threshold is continuously met; a discrete load topology injection module for mapping the discrete load of the waybill to the actual working zone polygon generated by the trajectory within the time window; and a material throughput closed-loop verification module for calculating the ratio of load to working area to inversely determine the paving thickness and verify compliance. This invention utilizes kinematic feature logic to replace physical sensor connections, achieving non-contact closed-loop auditing of the quality of concealed works without hardware modifications, thus solving the regulatory blind spot problem caused by the separation of quantity and shape.

The application relates to the technical field of traditional Chinese medicine preparation, and discloses a preparation method of a traditional Chinese medicine composition for reducing blood sugar and blood fat, which comprises the following steps: raw material preparation, selecting dried mature zanthoxylum bungeanum pericarps as main medicine, ensuring that the raw material is fresh and free of impurities, and preparing auxiliary material sodium carboxymethyl cellulose; zanthoxylum bungeanum crushing and sieving, crushing the dried zanthoxylum bungeanum pericarps by using a crusher to obtain fine and uniform zanthoxylum bungeanum powder; auxiliary material preparation, preparing a 0.3% sodium carboxymethyl cellulose solution as an excipient for mixing with the zanthoxylum bungeanum powder, so as to improve the formability and stability of the medicine; mixing and homogenization, mixing the sieved zanthoxylum bungeanum powder with the 0.3% sodium carboxymethyl cellulose solution under the condition of heating to 50-100 DEG C. The preparation method of the traditional Chinese medicine composition for reducing blood sugar and blood fat aims to prepare a traditional Chinese medicine composition containing zanthoxylum bungeanum, and the composition has a new use of reducing blood sugar and blood fat.

The present application relates to a kind of helical progressive large space steel-concrete hybrid structure forming method, comprising: helical progressive large space steel-concrete hybrid structure, the structure includes central body structure, helical progressive ramp, large span roof, cantilever large space and roof vertical truss;Central body structure is located in middle zone, helical progressive ramp is located in the outer circle of central body structure, large span roof is located in the roof of internal multiple local large space area, cantilever large space is located in the high end of helical progressive large ramp, and roof vertical truss is rigidly supported on the roof of central body structure and large span roof.The beneficial effects of the present application are: central body structure is core support frame, external helical progressive ramp arrangement, multi-region large space roof structure is realized by helical progressive ramp, large span roof, and overall stress model is formed by cantilever large space, roof vertical truss, lateral stiffness is controlled, and multi-region large space, helical progressive building modeling and function are realized.

The embodiment of the invention provides a light-weight balcony suitable for a cruise ship and the cruise ship, the light-weight balcony is applied to the cruise ship and used for reducing the weight center height of the cruise ship, and the light-weight balcony comprises a plurality of supporting frames which are arranged on the peripheral wall of a cruise ship accommodation area at intervals and serve as a main body supporting structure of the balcony; the balcony body is made of a metal material meeting the set weight and density requirements of the balcony and comprises a fixedly connected balcony railing arranged at the end, away from the peripheral wall, of the supporting frame and a balcony floor fixedly connected with an upper panel of the supporting frame. And by adopting the combination mode of the supporting frame and the aluminum alloy balcony prefabricated part, fixed connection can be achieved only through bolts, and the construction difficulty is reduced. Meanwhile, the balcony prefabricated parts are made of aluminum alloy materials, on the premise that the strength is met, the self weight can be greatly reduced, the effects of controlling the cruise ship building cost and reducing the weight gravity center height are obvious, and the larger the tonnage of the cruise ship is, the larger the number of rooms is, the larger the total area of the corresponding balcony is, and the better the effect is.

The invention discloses an electromagnetic wave-transparent connecting module for splicing metal plates and a construction method. The module is made of an insulating material, is provided with a mechanical interface for connecting adjacent metal plates, and is internally provided with an electromagnetic regulation and control structure, so that electromagnetic waves of a preset frequency band can be allowed to pass while the electrical continuity between the plates is blocked. Structural connection, physical sealing and electromagnetic wave regulation and control functions are integrated, the electromagnetic shielding problem of a metal building enclosure system is fundamentally solved, structure-function integration is achieved, construction is easy and convenient, and a large-area seamless electromagnetic wave-transparent building facade or roof can be constructed.

The utility model discloses a high performance light weight aluminum alloy stand column section, belongs to stand column section technical field, including bottom plate, the annular flange that is equipped with bottom plate top surface divides bottom plate top surface into inner surface and outer surface, and at least three equiangular distribution's L type board is fixed on the inner surface, and hollow column is placed on the inner surface, and hollow column is located between annular flash and each L type board, and the screw rod that is threaded through hollow column and corresponding L type board is equipped with on three sides of hollow column, and the locking assembly for automatic locking when screw rod is tightened is equipped with in the inside of hollow column and baffle, and the locking assembly includes the spring fixed on the baffle, and the bolt fixed with spring can extend into the insertion hole arranged on the inner surface to prevent bottom plate and hollow column from separating. The utility model significantly reduces dead weight and has excellent bending resistance and torsional resistance, and is convenient for installation and dismounting maintenance.

This invention provides a beam structure with UHPC filling in the shear bending section and its prefabrication method, solving the problems of current beam construction methods that use only UHPC, which not only result in a large structural self-weight and high cost, but also increase the overall construction cost and extend the construction period. This invention includes ordinary concrete beam sections and UHPC beam sections, which are spaced apart along the length of the beam. Taking into account the stress characteristics of the shear bending section of reinforced concrete beams, this invention fills a certain length of UHPC material only in key areas of the reinforced concrete shear bending section to improve the mechanical properties of the main beam's shear bending section, significantly increasing the shear bearing capacity of the main beam. Simultaneously, filling a portion of the main beam's shear bending section with UHPC effectively reduces the cross-sectional area of ​​the beam near the supports, reducing the structure's self-weight and lowering the construction cost of the UHPC, thus exhibiting good economic efficiency and practicality.

The present application belongs to the field of microseismic monitoring, and relates to a microseismic P wave and S wave separation method based on CNN-LSTM and a multi-head attention mechanism. The technology comprises: constructing a data set, using microseismic data collected in a hot dry rock hydraulic fracturing field, and manually labeling the data; the data set includes microseismic data of different time periods and different background noise intensities; inputting the data set into a neural network composed of a convolution layer, an excitation layer, a pooling layer, a random hidden neuron (Dropout) layer, a long short-term memory (LSTM) layer, a multi-head attention mechanism layer and a full connection layer for training; after the training is completed, the model is saved; inputting the microseismic data to be separated into the trained model for separation, and finally obtaining the separation result of P wave and S wave.

This invention discloses a radiation source signal classification method based on pulse-level multi-source separation, mainly addressing the problem of poor radiation source signal classification performance in complex electromagnetic environments using existing technologies. The implementation steps are as follows: 1) Receiving broadband intermediate frequency or baseband signals and performing pulse detection; 2) Estimating the direction of arrival and constructing pulse descriptors for the detected pulses based on a multi-element antenna structure; 3) Modeling a pulse-level multi-dimensional feature space and performing density peak clustering based on temporal consistency constraints within this space; 4) Adaptively estimating the number of radiation sources and reconstructing the pulse sequence, performing multi-physical domain feature extraction; 5) Fusing the multi-physical domain features to complete the classification and identification of radiation source signals. This invention can effectively distinguish pulses from different radiation sources in complex electromagnetic environments, while effectively reducing the system's storage and computing resource consumption while ensuring high recognition performance.

The invention relates to the technical field of textiles, and discloses a preparation process of a light-weight environment-friendly automotive trim non-woven fabric. According to the process, three layers of fiber components including regenerated polyester, bio-based polyester and natural fibers are prepared; a sandwich structure is constructed by adopting multi-guide-bar parallel net forming, online electrostatic spinning is performed on a bio-based microporous membrane between layers, and low-melting-point hot melt adhesive powder is applied; and after needling reinforcement and gradient hot air curing are conducted, far infrared preheating is combined with a cold pressing mold for hot punching forming. While the gram weight is reduced, the sound absorption coefficient is improved, and the sound absorption material has excellent flame retardance, self-cleaning performance and full-life-cycle closed-loop recycling capacity.

The utility model relates to a large-span cross beam structure for laser groove cutting and scribing. The cross beam comprises a cross beam body, a first cross beam, a second cross beam and a plurality of longitudinal connecting frames, the first cross beam and the second cross beam are arranged in parallel, the longitudinal connecting frames are connected to the first cross beam and the second cross beam, and each of the first cross beam and the second cross beam comprises a hollow outer frame body and a hollow inner frame body located in the hollow outer frame body. A plurality of stiffening plates are arranged between the hollow outer frame body and the hollow inner frame body, cover plates are arranged between the end faces, in the length direction, of the hollow outer frame body and the hollow inner frame body, and a flat plate is laid between the upper ends of every two adjacent longitudinal connecting frames. The mounting bracket is provided with a linear guide rail and a rack; and the cutting and scribing mechanism comprises a laser groove cutting device, a scribing device and a movable driving mechanism. By optimizing the design of the cross beam, the operation precision and stability of equipment are effectively improved, the service life of the equipment is effectively prolonged, and the application requirements of large-span and high-precision machining scenes are met.

The invention belongs to the technical field of power grid disaster prevention and reduction, and particularly relates to a risk assessment method and device for deicing jump of a power transmission line, electronic equipment and a computer readable storage medium. The method comprises the following steps: determining risk influence factors influencing the deicing jump of the power transmission line, and constructing an original parameter data set containing a plurality of deicing working conditions; establishing a conductor deicing model under a plurality of deicing working conditions and carrying out analogue simulation to obtain a risk consequence index; constructing a standardized decision matrix, respectively calculating the comparison intensity and conflict of each risk influence factor, and calculating the comprehensive information amount and objective weight of each risk influence factor to obtain an objective weight vector; and identifying the key dominant factors based on the objective weight vector and carrying out working condition optimization in combination with the risk consequence indexes under each deicing working condition to obtain the optimal deicing working condition with the lowest comprehensive risk. According to the method, the CRITIC method is applied to power transmission line deicing jump risk assessment, and the deicing working condition with small risk can be selected.

A single-girder tire-mounted gantry crane includes a main girder with outriggers fixed at both ends. A trolley traveling mechanism is located at the bottom of each outrigger. A lifting trolley is mounted on the main girder, and a lifting device is located below the trolley, connected to it via wire ropes. The crane also includes a control system and a power generation mechanism. The lifting trolley includes a trolley frame with wheels mounted at its bottom and a trolley traveling motor fixed to it. A first and second lifting drum are fixed to the top of the trolley frame. A crossbeam is located below the main girder, with a hook fixed to its bottom. Pulley assemblies are fixed at both ends of the crossbeam, connected to the first and second lifting drums via wire ropes. The trolley traveling mechanism is a tire-mounted type. This invention has a simple structure and is easy to use.

The invention discloses a light-weight fabricated concrete pavement slab and a preparation method thereof, and belongs to the technical field of road engineering, the light-weight fabricated concrete pavement slab comprises a slab body, a plurality of non-through cavities are formed in the bottom of the slab body in the length direction in an extending mode, the multiple non-through cavities are arranged in parallel in the width direction at set intervals, and a middle rib structure is arranged at the bottom of the slab body; edge rib structures are arranged on the periphery of the edge of the plate body; the cross section of each non-through cavity in the width direction is in an oval arc shape or a parabola shape. A three-dimensional steel reinforcement framework is arranged in the plate body and comprises a plurality of transverse steel reinforcements extending in the length direction of the plate body, a plurality of longitudinal steel reinforcements extending in the width direction of the plate body and closed reinforcing steel reinforcement cages arranged in peripheral rib structures of the plate body. The pavement slab is provided with the non-through cavity structure, and is prepared by combining the three-dimensional steel reinforcement framework and the configured high-toughness concrete, so that the bearing capacity of the pavement slab is ensured, the dead weight is obviously reduced, and the material consumption and the transportation cost are reduced.