582results about How to "Improve loading efficiency" patented technology

The invention discloses a multi-source three-dimensional model lightweight processing and lossless compression supporting method, system and device and a storage medium, and relates to the three-dimensional technical field, and the method comprises the following steps: carrying out format compatibility check on an imported three-dimensional model, and analyzing the geometric structure, texture characteristics and material attributes of the model; the geometric structure of the three-dimensional model is simplified by adopting a quadratic error measurement algorithm and edge folding, the simplified model is optimized through edge segmentation operation, and a lightweight model is obtained; and compressing geometric data of the lightweight model by using a data compression algorithm, and compressing texture data through predictive coding to complete lossless compression of the three-dimensional model. According to the method, the loading speed and the real-time rendering efficiency are remarkably improved by reducing the size of the three-dimensional model file and optimizing the texture compression algorithm. The lossless compression technique ensures that a high-quality visual effect is kept in the lightweight process, the lightweight model reduces the storage space requirement, and the energy consumption of data transmission and processing is reduced.

The invention relates to the technical field of automatic loading and logistics control, in particular to an automatic powder loading device based on visual identification, which comprises a visual identification module, a flexible grabbing module, a transfer module and a stacking module, the form, internal distribution and material characteristic data of the powder bag are obtained through a multi-mode sensor, a grabbing path is generated, and grabbing operation is completed through a flexible manipulator; the transfer module dynamically adjusts the transportation state of the powder bag in combination with path optimization and posture monitoring; the stacking module monitors stress of a stacking layer in real time on the basis of the stacking thermal distribution diagram, adjustment suggestion data are generated, stacking position and angle optimization is completed through a self-correction unit, and the stability of a stacking structure is ensured; the powder loading efficiency, the stacking precision and the long-term stability are remarkably improved, and the method is suitable for efficient logistics management of complex loading scenes.

The invention discloses a multi-thread and LOD-based point cloud rendering method, and relates to the field of video rendering, and the method comprises the steps: dividing point cloud data into n data blocks; calculating an initial position of each data block in the point cloud file, and creating n threads; extracting m pieces of LOD point cloud data with different levels of detail from the octree of each data block; calculating the proportion # imgabs0 # of the size of the current point cloud in a rendering viewport and the distance # imgabs1 # from a viewpoint to a camera, and calculating the detail level # imgabs4 # of the current to-be-rendered LOD point cloud according to a preset viewport proportion threshold value # imgabs2 # and a preset sight distance threshold value # imgabs3 #; according to # imgabs5 #, selecting point cloud data of a corresponding detail level from the m pieces of LOD point cloud data; for each interactive operation event, parallel coordinate transformation and illumination calculation are carried out on the LOD point cloud data to be rendered currently in different threads; submitting a calculation result to a renderer for rendering; aiming at low rendering efficiency in the prior art, the method and the device can efficiently render large-scale point cloud data.

The invention relates to the technical field of biological medicine, and provides a targeting exosome capable of delivering nucleic acid drugs and a preparation method of the targeting exosome. The exosome comprises a fusion polypeptide, the fusion polypeptide comprises a targeting protein molecule, an exosome transmembrane protein and a nucleic acid binding domain, and the exosome can load a nucleic acid molecule through binding of the nucleic acid binding domain. According to the invention, engineering modification is carried out on the exosome, so that nucleic acid molecules can be efficiently loaded into the exosome, and meanwhile, the exosome is endowed with the capability of targeting to specific target cells, tissues and organs.

The invention relates to the technical field of nano catalytic materials, in particular to a preparation method and application of a nano bowl-shaped molybdenum-doped metal cobalt phosphide catalyst. The preparation method comprises the following steps: S1, preparing CoMo-MOF; S2, preparing Mo-CoP; according to the application method, the nanometer bowl-shaped molybdenum-doped metal cobalt phosphide catalyst is applied to the process of catalyzing water electrolysis hydrogen absorption and oxygen absorption reaction. According to the preparation method, the Mo-doped metal organic framework is adopted as a precursor, the target catalyst is prepared through phosphating and calcining, due to the fact that the valence state of Co in cobalt phosphide is improved through molybdenum doping, the intrinsic catalytic activity of the catalyst is improved, and electrolysis of water can be effectively catalyzed.

The invention provides an intelligent vehicle type identification and dynamic regulation and control loading system, and compared with the prior art, the intelligent vehicle type identification and dynamic regulation and control loading system comprises an arrangement module, an identification module, a loading control module, a dynamic regulation and control module and a real-time monitoring platform. The arrangement module intelligently dispatches and matches vehicles according to transportation requirements; the identification module accurately identifies vehicle information through an image identification algorithm; the loading control module controls the loading device to automatically complete material loading through a PLC. The dynamic regulation and control module adjusts the loading speed according to the real-time loading state, and overload or too slow loading is avoided; and the real-time monitoring platform provides transportation task progress monitoring and abnormity alarming, so that the loading process is ensured to be carried out smoothly. According to the system, the utilization efficiency of transportation resources can be effectively improved, the transportation cost is reduced, and the automation and intelligence level of loading operation is improved. Through intelligent scheduling and dynamic regulation and control, it is ensured that the material loading process is more efficient and accurate.

The invention belongs to the technical field of biology, and provides an electroporation buffer solution applied to exosome electroporation, the pH value is 6.8-9.8, the osmotic pressure is 80-320 mosm, water is used as a solvent, and the electroporation buffer solution comprises the following components: 15-25% w / v of iodixanol, 1.035-1.265 mM of KH2PO4, 22.5-27.5 mM of KCl, 0.18-0.22 mM of EDTA-2Na and 18-22 mM of HEPES. The electroporation buffer solution provided by the invention can improve the loading efficiency of the load and reduce damage to an exosome membrane structure and internal bioactive molecules in an electroporation process. The electroporation buffer solution can effectively reduce aggregation and fusion phenomena of exosomes after electroporation, and improves the stability and integrity of the exosomes. The electroporation buffer solution provided by the invention can improve the application degree of the exosome as a targeting drug delivery system.

The invention relates to the technical field of medicine, and discloses an artificial exosome and application thereof in drug delivery, the artificial exosome is prepared into an oil phase based on PLGA and DOTAP, and a water phase based on OCT4 protein and siTrim28; mixing the two phases to obtain a primary emulsion, and adding a PVA aqueous solution to obtain a double emulsion; stirring the double emulsion and volatilizing the solvent to form an emulsified solution, and centrifuging to obtain PLGA nanoparticles; the lipid mixture is prepared from lipid, DPPE-PEG2000, alpha-tocopherol and alpha-lactalbumin, and a lipid film is formed after a solvent is evaporated; the preparation method comprises the following steps: mixing PLGA nanoparticles, a lipid film and membrane protein, uniformly mixing and heating to obtain a film-coated solution, and finally extruding through a cellulose acetate film to obtain the artificial exosome. The artificial exosome disclosed by the invention combines the stability of the PLGA nanoparticles and the biocompatibility of the lipid membrane, and provides new possibility for a drug delivery system.

The invention provides a container position distribution method based on a large model driven intelligent agent network. The container position distribution method based on the large model driven intelligent agent network comprises the following steps: step 101, carrying out multi-view hybrid coding on a container by adopting a double-flow attention mechanism to obtain overall feature representation of the container; step 102, adopting an autoregression decoder to generate a candidate container set according to the overall feature representation of the container and the current slot position; step 103, based on the candidate container set, using a deterministic physical model to carry out constraint check and index calculation; and 104, carrying out structured evaluation on the container by adopting the large model, and carrying out intelligent sorting. By the adoption of the method, the accurate and reasonable loading sequence and position of the containers can be ensured, and the loading efficiency of the containers is greatly improved.

The utility model discloses an infusion medicine empty sterilization tray box roll-out mechanism, which relates to the technical field of infusion medicine bottle loading and comprises a first lifting assembly arranged on one side of a sterilization vehicle track. The first transfer assembly is in sliding connection with the supporting frame; a first conveying device which is transversely arranged from one side of the first lifting assembly to the other side of the first lifting assembly is arranged on the upper surface of the first transferring assembly; the first lifting assembly is fixed to the first supporting frame and used for driving the first transferring assembly to slide in the height direction of the first supporting frame. And the taking-out assembly is arranged on the first transferring assembly, and the taking-out assembly can stretch out or retract towards one side of the first lifting assembly and transfer the sterilization tray box on the drawer type sterilization vehicle to the first conveying device. By adopting the scheme, the sterilization tray box can be automatically taken out from the drawer type sterilization vehicle, and the loading efficiency is improved.

The invention belongs to the technical field of catalytic degradation, and particularly relates to a bismuth cluster / CTF composite photocatalyst and a preparation method and application thereof. The bismuth cluster and CTF are compounded through a hydrothermal method, photocatalytic cracking of lignin can be achieved, efficient separation of photo-induced electrons and holes of the photocatalyst can be achieved, fine adjustment of the electron structure of the photocatalyst is achieved by adjusting the addition amount of the bismuth cluster precursor, generation of h < + > and. O < 2-> in the photocatalytic process is improved, and the photocatalytic performance of the photocatalyst is improved. Therefore, the yield of the aromatic monomer prepared by cracking the lignin is improved, the cracking conversion rate can reach 78.5%, the yield of benzoic acid can reach 65.2%, the yield of benzaldehyde can reach 81.4%, the yield of phenyl formate can reach 52.6%, and the method is green, clean and safe.

The invention relates to a honeycomb sandwich type vacuum insulation panel and a vacuum insulation panel system, and provides the honeycomb sandwich type vacuum insulation panel and the vacuum insulation panel system. An insulating panel mounted between a main gas barrier and an auxiliary gas barrier of a low-temperature liquid fuel tank is formed as a honeycomb sandwich panel having a honeycomb structure, so that insulation of the low-temperature liquid fuel tank can be improved and maximized, and heat loss thereof can be minimized. The cryogenic liquid fuel tank includes a primary gas barrier, an insulating panel, and a secondary gas barrier such that cryogenic liquid fuel containing liquefied hydrogen is contained therein, the cryogenic liquid fuel tank including: a honeycomb sandwich panel mounted between the primary gas barrier and the secondary gas barrier to insulate the cryogenic liquid fuel tank; a vacuum film accommodating and evacuating the honeycomb sandwich panel; and a breakage-proof pad installed at each corner of the honeycomb sandwich panel in contact with the vacuum film and preventing damage to the vacuum film.

The invention discloses a piggyback transport vehicle which comprises a vehicle body used for bearing a semitrailer compartment; the saddle is arranged at the top of the vehicle body in a sliding mode and used for being connected with a semitrailer traction pin, the saddle comprises a seat plate, and a connecting groove allowing the semitrailer traction pin to be clamped in is formed in the side, close to the semitrailer, of the seat plate. A semitrailer carriage is hoisted into a semitrailer body through a crane to be placed, a walking mechanism drives a saddle which moves to one side in advance to move towards the side close to a semitrailer traction pin till the semitrailer traction pin moves into a joint groove and is blocked by a retaining assembly, and then under the matching action of a driving cutting mechanism, a driving assembly stops driving a sliding assembly; therefore, the position of the saddle is fixed, when the piggyback transport vehicle faces semitrailer carriages with different lengths, it is only needed to set a fixed operation duration for the driving assembly, connection of the saddle and traction pins of semitrailers with different lengths can be guaranteed, and the purpose of improving the loading efficiency is achieved.

The invention discloses a hybrid vesicle composition containing finasteride and nanogold. The composition is prepared from hair follicle stem cell outer vesicles, lipidosome, finasteride and nanogold, according to the method, the treatment efficiency of finasteride on androgenetic alopecia is enhanced by utilizing the delivery property of a mediated hair recovery mechanism pathway and a homing effect of heterozygous hair follicle stem cell outer vesicles to a hair follicle microenvironment and assisting with a photothermal effect provided by nanogold light conversion, and the method can be widely applied to the fields of medical cosmetology and pharmacy.

The utility model discloses an infusion medicine full sterilization tray box roll-in mechanism, which relates to the technical field of infusion medicine bottle loading and comprises a second lifting assembly arranged on one side of a sterilization vehicle track. The second transfer assembly is in sliding connection with the second supporting frame; a third conveying device which is transversely arranged from one side of the second lifting assembly to the other side of the second lifting assembly is arranged on the upper surface of the second transferring assembly; the second lifting assembly is fixed to the second supporting frame and used for driving the second transferring assembly to slide in the height direction of the second supporting frame. And the push-in assembly is arranged on the second transfer assembly, and the push-in assembly can stretch out or retract towards one side of the second lifting assembly and push the sterilization tray box on the third conveying device into the drawer type sterilization vehicle. By adopting the scheme, the full-load sterilization tray box can be automatically pushed into the drawer type sterilization vehicle, and the loading efficiency is improved.

The invention relates to the technical field of loading equipment, in particular to a quantitative loading system which comprises a feeding device, a quantitative bin, a weighing sensor and a weighing controller, the feeding device is installed at a bin opening in the bottom of a stock bin, the quantitative bin is arranged on the lower portion of the feeding device, the quantitative bin is connected with a foundation through the weighing sensor, and the weighing controller is connected with the weighing sensor. The weight of the quantitative bin is measured through the weighing sensor, the weighing sensor is electrically connected with the weighing controller, the feeding device comprises a feeding gate, the feeding gate controls feeding into the quantitative bin, a discharging gate is arranged at the lower end of the quantitative bin, and materials in the quantitative bin can be discharged when the discharging gate is opened. The weighing precision is high, the stability is good, the first quantitative bin and the second quantitative bin which are independently arranged are arranged in this way to conduct quantitative weighing and loading in a circulating mode, the loading efficiency is high, the double-quantitative-bin structure of the quantitative bin moving mechanism is adopted, the height of the feeding device is reduced, and the requirement for the installation space is lowered.

The invention discloses trackless powdery material bag loading equipment which comprises a steel frame body (1), a working platform (2) is arranged on the steel frame body (1), conveying lines (3) which are used for conveying material bags and are symmetrically arranged are arranged on the inner side of the steel frame body (1), an automatic separation mechanism (4) is arranged on the working platform (2), and the automatic separation mechanism (4) comprises a bag raking assembly (5) arranged on the working platform (2). The discharging ends of the two sides of the bag raking assembly (5) are provided with bag receiving conveying belts (6), and the discharging ends of the bag receiving conveying belts (6) correspond to the conveying line (3). A walking material receiving mechanism (7) is arranged on the upper portion of the steel frame body (1), and a bag grabbing mechanical arm (11) is arranged on the truss (9). Material loading is achieved through a track-free structure, the structure is convenient to install, meanwhile, the occupied area is reduced, space is saved, vehicle parking is facilitated, and then the efficiency of the material packaging vehicle is effectively improved.

The utility model discloses a rapid assembly assembly for trims in a bus driving area, which comprises a front top and a door piece, a driver top and a door piece are arranged on one side of the front top and the door piece, a passenger door top and a door piece are arranged on the other side of the front top and the door piece, a rear partition is arranged at the rear ends of the driver top and the door piece and the passenger door top and the door piece, and a rear partition is arranged at the rear end of the front top and the door piece. And support assemblies are arranged at the upper ends of the front roof and door piece, the driver roof and door piece, the passenger roof and door piece and the rear partition. According to the rapid assembly assembly for the trim parts in the bus driving area, the assembly process of the front area of the cab is optimized, the installation efficiency is improved, the strict appearance quality requirement is met by enhancing the structural stability and reducing the assembly error, in the practical application, the assembly part can be rapidly connected and fixed with a cab body framework, and the assembly is convenient to use. And subsequent reworking adjustment is not needed, and the loading efficiency and practicability are remarkably improved.

The invention provides an NFC chip intelligent data loading method and system, and the method comprises the steps: effectively extracting and modeling historical use data, so as to predict a future use scene; generating a priority list of the loaded data according to the scene prediction result; the loading strategy is adjusted according to the real-time signal intensity, and the loading reliability of the high-priority data is ensured; the loaded data is quickly analyzed, and it is ensured that the data can be used by a user in time; and optimizing the scene prediction model and the loading strategy based on feedback data in the loading process to form closed-loop optimization. According to the method, intelligent scene prediction, signal intensity perception and hierarchical loading strategies are introduced, so that the data loading efficiency and reliability are comprehensively improved.

The utility model relates to a bagged material three-grabbing separate control type integrated dispatching device which comprises a dispatching walking track, a climbing grabbing device, a robot sliding assembly, a horizontal belt conveying device and a drag chain assembly, and the climbing grabbing device, the robot sliding assembly, the horizontal belt conveying device and the drag chain assembly are integrally installed on the dispatching walking track. The dispatching walking track is a double-track, the horizontal belt conveying device is installed between the dispatching walking double-track, the climbing grabbing device and the robot sliding assembly are connected through a pin shaft and move synchronously, and a horizontal belt of the horizontal belt conveying device is installed on the inner side of the dispatching walking track. The drag chain assembly is installed on the side edge of the dispatching walking track. According to the bagged material three-claw separate control type integrated shipping device, full-process automatic loading is achieved, the structure is simple and compact, the requirement for the site area is not high, safety and reliability are achieved, the production cost is saved to a great extent, and the loading efficiency is improved.

The invention discloses an image recognition system and method for coal mine ground sale automatic loading, and relates to the technical field of coal mine image processing, and the method comprises the steps: installing a high-resolution camera at a key position of a loading system, collecting an image of ore distribution in a carriage in real time, and installing a mass sensor at the bottom of the carriage, the coal mine quality in the carriage is monitored in real time; dividing a carriage loading area into N * N unit grids; setting a coal mine target identification strategy to identify the offset of the coal pile in the subarea; and setting a loading path dynamic planning algorithm, dynamically adjusting partition weights, and gradually finding an optimal loading path. According to the invention, the problem of low identification precision caused by dust and light change in automatic truck loading of coal mine ground sale is solved, and the influence of the center-of-gravity shift of the carriage on the loading safety is reduced.

The invention discloses a rail platform crane loaded with a movable crane, which overcomes the defects of the rail platform crane in the prior art and has the advantages of wide working range, large hoisting weight, high loading and unloading efficiency, large loading capacity, safety and reliability. The concrete structure comprises a rail flat car, an end wall assembly and a movable crane device, wherein a rail grabbing device, a fixed freight bogie, a movable freight bogie, a lifting hook fixing device, a tool box and the like are arranged on the rail flat car; the end wall assembly comprises an end door assembly and an end stop assembly. The movable crane device comprises a guide rail assembly, a column inserting assembly, a movable platform, a crane, a power unit, a crane guardrail and a wireless remote controller assembly. The end wall assembly is connected with the rail flat car through a hinge and a hinge seat, and the movable crane device is connected with the rail flat car through a column inserting assembly.

The invention discloses a preparation method of a rod-like selenium nano-carrier, and belongs to the technical field of nano-pesticides. The rod-like selenium nano-carrier is formed by converting chitosan modified amorphous selenium (a-Se) into single crystal ash selenium (t-Se). The amorphous selenium is initially spherical, and after chitosan modification, the spherical amorphous selenium is converted into single crystal ash rod-shaped selenium nanoparticles. The length of the rod-like selenium nano-carrier is 590-610 nm, the diameter of the rod-like selenium nano-carrier is 20-25 nm, the effective average particle size of the rod-like selenium nano-carrier is 90-110 nm, the drug loading rate is 39.28% + / -2%, and the encapsulation efficiency is 64.90% + / -3%. In addition, the invention also provides an application of the rod-like selenium nano-carrier in a nano bactericide material.

The invention relates to the technical field of biological medicine, in particular to a nano-drug with a dual targeting effect and a preparation method and application thereof, and the nano-drug comprises exosome and ferritin; the surface of the exosome is modified with an azide group, the surface of the ferritin is modified with a cyclopentyl group, and the exosome and the ferritin are connected through a click chemical reaction between the azide group and the cyclopentyl group. According to the nano-drug, the drug carrying efficiency is improved through the exosome and the ferritin, meanwhile, the nano-drug can effectively penetrate through a cerebral blood barrier and is taken by glioma cells, and the killing effect of the drug on tumor cells is enhanced.

The walking type car loader comprises a walking mechanism, a lifting mechanism and a rack which are sequentially connected from bottom to top, the top of the rack is sequentially provided with a conveying mechanism, a transverse arrangement mechanism and a stacking mechanism in the longitudinal direction, and the conveying mechanism conveys packaging boxes to the transverse arrangement mechanism one by one; the transverse arrangement mechanism sequentially pushes the packaging boxes conveyed by the conveying mechanism into a row, then the whole row of packaging boxes are conveyed to the stacking mechanism, and then the stacking mechanism stacks the whole row of packaging boxes into a compartment of a truck layer by layer. The packaging box conveying and stacking device can replace manpower to convey and stack packaging boxes, so that the conveying and stacking efficiency of the packaging boxes is improved, a large amount of manpower is saved, the labor intensity of boxing and the logistics cost are reduced, meanwhile, the packaging boxes are safer in the transferring process, and the packaging box conveying efficiency is improved. The situation that the packaging box falls or collides due to accidents caused by manual carrying, and then articles in the packaging box are damaged is avoided, and therefore unnecessary property loss is avoided.

The invention relates to a low-heat-conduction high-strength phase change energy storage wallboard and a preparation method and application thereof.The phase change energy storage wallboard comprises a wallboard base material D and a phase change material, the wallboard base material D is a cement-based material with a directional communication pore channel structure, and the phase change material is loaded in the directional communication pore channel structure. The preparation method comprises the following steps: preparing a wallboard base material D with a directional communicated pore channel structure through a freeze casting method; loading the phase change material into the wallboard base material D through a vacuum impregnation method to obtain a wallboard base material E; the wallboard base material E is put into a temperature control curing room to be cured for 1-2 days, and the low-heat-conduction and high-strength phase change energy storage wallboard is prepared. Compared with the prior art, the contradictory requirement between the heat conductivity and the strength of the wallboard is met, the vertical bearing capacity of the wallboard is greatly improved, and the heat conductivity coefficient of the wallboard is remarkably reduced. The phase change energy storage wallboard has extremely high mechanical properties and flexible and efficient temperature regulation and control effects.

The invention provides an unloading operation exception handling method, which is applied to an unloading operation control system, and comprises the following steps: respectively sending a first moving instruction and a second moving instruction to a first robot and a second robot through a remote control center so as to enable the second robot to move to an unloading initial position in an operation space; information, fed back by the second robot, whether the interior of the working space is abnormal or not is received, and if not, a telescopic conveyor or a telescopic roller conveying line is started; and if abnormity exists, after corresponding processing is carried out according to the abnormity type, an unloading task is sent to the second robot, and a stacking task is sent to the first robot. Therefore, abnormity occurring in the unloading process can be handled in time, it is guaranteed that unloading operation is carried out smoothly, the flexibility is high, the limitation of the arm extension length of the robot and the operation range of a mechanical arm is broken through, unstacking and stacking of goods in a narrow space are achieved, manual labor is replaced, automation is completely achieved, and the loading efficiency is effectively improved.

The invention relates to the technical field of identification, management and control of loaded vehicles, in particular to an intelligent identification, management and control system for loaded vehicles based on image identification. Comprising a server, a stock analysis module, a loading distribution module, an image recognition module and a loading accumulation module, by analyzing the coal stock state of each loading point and the conveying value of the loading vehicle in real time, loading tasks can be scientifically and reasonably distributed, and distribution of the loading tasks is dynamically adjusted according to the emergency degree of the loading tasks, the requirements of the loading points and the current position of the vehicle; by detecting the coal pile height and the point cloud density of the vehicle-mounted coal pile, the uniformity and the compactness of the coal pile can be accurately judged, and if it is found that the coal pile of the loading vehicle is in a non-uniform state, coal leveling operation is triggered so as to ensure that the coal loading quality of each loading vehicle meets the requirement; automation of the loading quality detection process is achieved, the requirement for manual inspection is greatly reduced, and the loading process is more accurate and reliable.

The invention provides a resveratrol-loaded exosome and a preparation method thereof, and belongs to the technical field of biological medicine manufacturing. The preparation method of the resveratrol-loaded exosome comprises the following steps: performing 3D culture on human umbilical cord or hair follicle-derived mesenchymal stem cells under a low-oxygen condition, collecting supernate, and separating by a differential ultracentrifugation method to obtain the exosome of the mesenchymal stem cells; the method comprises the following steps: mixing a resveratrol solution containing a surfactant with the MSCs-Exos, and carrying out co-incubation and ultrafiltration to obtain the resveratrol loaded MSCs-Exos. According to the invention, the surfactant is added, so that not only are the entrapment rate and the drug loading rate of the MSCs-Exos loaded resveratrol greatly improved, but also the activity of the MSCs-Exos is maintained, the common effect of the MSCs-Exos and the resveratrol is fully exerted, and a synergistic effect is achieved. The resveratrol loaded MSCs-Exos disclosed by the invention has an effect of treating diabetes mellitus.

The invention discloses a truck boxing scheme recommendation system based on a dual-stage maximum loading rate, which belongs to the technical field of intelligent logistics and freight fleet recommendation systems and comprises a truck information processing module, a cargo management module, a pre-packaging processing module, a loading optimization module and a loading scheme export module. According to the method, the performance is obviously improved in the aspect of lorry loading optimization; the two-stage optimization strategy and the modular design are combined with the innovative genetic algorithm application, so that the system is excellent in performance when processing complex goods and diversified requirements; the method has the advantages of high-efficiency data processing and real-time response capability, user friendliness and transportation cost reduction, so that the method has remarkable advantages in practical application, and multiple problems in the prior art are solved.