119results about How to "Efficient solution" patented technology

The invention relates to a virtual power plant optimization scheduling method and system. The method comprises the following steps: establishing an operation model of a multi-type adjustable resource main body; constructing a master-slave game model of the aggregator and the resource main body, wherein the master-slave game model comprises an upper-layer model taking the aggregator as a leader and a lower-layer model taking the resource main body as a follower; solving a master-slave game model of the aggregator and the resource main body to obtain an optimal compensation price strategy and an optimal response power strategy, and constructing an optimal power scheduling plan according to the optimal response power strategy; the optimal power scheduling plan is used for being issued to each adjustable resource main body for execution so as to realize optimal scheduling of the virtual power plant. According to the method, the participation enthusiasm of the resource main body can be stimulated, the user participation degree can be improved, the scheduling instruction execution rate can be improved, the model accuracy can be improved, the cooperative capability of heterogeneous resources can be improved, and the overall operation economy and stability of the virtual power plant can be improved.

The invention discloses a building road and bridge pouring construction process and device. The building road and bridge pouring construction device comprises a plurality of road and bridge pouring formwork bodies which are transversely spliced together. Each splicing structure is arranged between every two adjacent road and bridge pouring formwork bodies and comprises a splicing block fixed to the surface of one side of the corresponding road and bridge pouring formwork body, a splicing groove formed in the surface of the other side of the corresponding road and bridge pouring formwork body and corresponding to the splicing block, and an outer side type locking structure arranged between the splicing block and the splicing groove; each sealing structure is arranged between every two adjacent road and bridge pouring template main bodies; according to the building road and bridge pouring construction technology and device, through the innovative splicing structure and sealing design, it is avoided that penetrating type screw holes are formed in the splicing positions of the formworks, the problems that concrete leaks from the screw holes and slurry leaks in the pouring process are fundamentally solved, the defects of honeycombs, pitted surfaces and the like on the surface of the concrete are effectively prevented, and the construction quality is improved. The appearance quality of the road and bridge structure is remarkably improved, the road and bridge structure is smoother and more attractive, and the sealing performance of the formwork is enhanced.

The invention discloses an unmanned aerial vehicle attitude estimation method and system based on cooperation beacon and re-projection optimization, and the method comprises the steps: carrying out the reverse calculation of a pixel position of a camera target surface of a cooperation beacon in a current unmanned aerial vehicle attitude estimation state through a re-projection mode, and comparing the re-projection pixel position with an actual imaging pixel coordinate, calculating to obtain a re-projection error; based on the re-projection error, the attitude estimation problem is converted into a nonlinear least square optimization problem, an objective function is constructed, and a variable to be solved in the objective function is an unmanned aerial vehicle attitude estimation state vector; iteratively solving the attitude estimation state vector of the unmanned aerial vehicle by adopting an L-M algorithm, and obtaining the attitude estimation state vector of the unmanned aerial vehicle when the target function is minimum as the optimal estimation of the attitude angle of the unmanned aerial vehicle; the method has the advantages that the problem of optimal attitude angle high-precision estimation under the condition of strong magnetic interference or incapability of acquiring accurate attitude information by an attitude angle measurement sensor is effectively solved, and data support is provided for effectively improving target positioning precision.

The utility model provides a whole type tin forest tray surface plating equipment relates to tin forest tray plating technical field, including installation support, in the utility model, through the swing mechanism, translation mechanism and the coordinated operation of rotating mechanism, realized tin forest tray in the multidimensional motion control in the plating process, swing mechanism passes through the cooperation of transmission disc, sliding sleeve and sliding rod, converts the circular movement into the reciprocating swing of storage tank, makes the plating liquid multi -angle effect to tin forest tray surface, promotes the uniformity of plating layer, through the screw rod drive plating assembly horizontal removal, expands the plating range, need not manual adjustment work piece to complete large -area plating, rotating mechanism passes through the multistage reduction drive of gear and belt pulley, makes the tin forest tray stable rotation of placing dish drive, optimizes the contact angle of plating liquid and work piece surface, is applicable to the plating treatment of complex structure, three three -dimensional compound movement modes formed by the combination, breaks through the function limitation of traditional equipment, improves plating quality and efficiency greatly.

The invention belongs to the technical field of information technology, and discloses a special signal generating device based on software defined radio and a GPU server, comprising: a graphic processing unit used for generating high-speed orthogonal data streams corresponding to various communication systems and modulation modes, the high-speed orthogonal data streams being transmitted to an intermediate frequency signal unit through an optical fiber; the intermediate frequency signal unit is used for receiving the high-speed orthogonal data stream, completing signal modulation and outputting an intermediate frequency signal; the software-defined radio platform is used for carrying out secondary development to realize signal generation and reception, and the secondary development builds a heterogeneous system integrated by a central processing unit and a graphic processing unit based on general radio software; the central processing unit is used for task scheduling and memory configuration; the invention aims to solve the problem that a signal generating device in the prior art cannot realize high-efficiency collaboration of a central processing unit and a graphic processing unit in high-speed data stream processing.

The application provides a fire station hierarchical site selection method based on a quadratic unconstrained binary optimization model, relates to the field of fire station site selection, and comprises the following steps: discretizing a city space into a grid, calculating fire risks by using multi-source interest point data, mapping the fire risks to a real road network to generate demand points and candidate points, constructing a hierarchical multi-objective site selection model considering service path distance and construction cost, converting a problem with constraints into a quadratic unconstrained binary optimization model by using a non-balanced penalty method, and performing fast optimization and solution by using a QUBO-compatible solver to obtain a hierarchical site selection scheme of large and small fire stations. The application realizes global collaborative optimization of large and small fire stations, breaks through the calculation bottleneck of large-scale site selection problems, significantly improves the solution efficiency and scheme quality, and provides technical support for constructing an efficient, economical and resilient urban fire system.

The invention discloses a traffic dynamic shortest path distribution method and system based on a triangular fuzzy number weight, and relates to the technical field of intelligent traffic systems.Fuzzy information in a path evaluation attribute is represented through a triangular fuzzy number, a comprehensive weight is analyzed and calculated in combination with deviation maximization and a moisture value, and the decision reliability is effectively improved; a K-Means algorithm is adopted to perform dynamic path search, and through a representative vertex subset pre-calculation and increment updating strategy, the path retrieval efficiency is remarkably improved; a travel time prediction model related to departure time and real-time flow is established, and accurate response to accidental congestion is realized; and finally, outputting an optimal path scheme through a multi-objective decision-making method. Compared with a traditional algorithm, the speed is improved on a real road network data set, the path distribution accuracy is improved, meanwhile, the path safety, comfort and efficiency are effectively balanced, real-time path planning under a large-scale road network is supported, and an efficient solution is provided for intelligent traffic management.

The utility model belongs to the technical field of waterproof coiled material winding equipment, and particularly relates to a waterproof coiled material construction winding device which comprises a supporting frame, two left supporting plates, two right supporting plates, a square shaft, a distance adjusting assembly, a winding driving assembly, a winding roller, an inclination angle adjusting assembly, a material guiding assembly, a length metering assembly, a linkage supporting assembly and four brackets. Two supporting blocks are fixedly installed on the top side of the supporting frame, the square shaft is rotatably installed on the two supporting blocks, and the two left supporting plates are axially installed on the square shaft in a sliding mode. The device is reasonable in design and has the advantages of being high in wind-up roller adaptability, convenient and fast to operate, stable in material guiding, accurate in metering and good in coordination, waterproof coiled materials with different widths and thicknesses can be efficiently and accurately wound and metered, meanwhile, the wind-up roller can be rapidly disassembled and assembled, and feeding and discharging operation can be conveniently carried out, and the working efficiency is improved. The diversified requirements in the waterproof roll construction process are fully met.

The application discloses a kind of flexible marshalling train size interlocking operation-oriented turn-back station site selection and diagram joint optimization method and system, set train interstation operation delay as random variable, construct distribution uncertainty fuzzy set based on KL divergence, establish the constraint system including train operation, turn-back, marshalling and passenger travel whole process, linearize nonlinear constraint using big M method;Distribution robust optimization model is constructed with the minimum of turn-back station cost, passenger waiting cost and train operation cost as target, and solved by Lagrange dual and Monte Carlo sampling.Corresponding system is also disclosed, including parameter input, model construction, solving calculation and result output module.The application can guarantee the robust feasibility of diagram under the disturbance of uncertain running time, optimize turn-back station site selection, marshalling scheme and diagram, reduce operation cost, and improve passenger service level and line capacity utilization.

The invention provides a compact oil reservoir two-dimensional non-uniform diversion crack productivity simulation method based on slickwater fracturing. The method comprises the steps that S1, basic parameters of a compact oil reservoir are obtained; s2, dispersing the hydraulic fracture to obtain a two-dimensional non-uniform flow conductivity field of a fracture unit; s3, multi-scale flow coupling of the matrix-fracture system is achieved through the coupling coefficient, and a closed seepage control equation set is formed; s4, constructing a full-three-dimensional finite element model containing a crack two-dimensional discrete unit and a matrix multi-scale grid; s5, performing finite element discretization on the coupling seepage control equation set, and performing iterative solution; and S6, calculating the productivity of a single well. According to the method, multi-scale coupling is carried out on a two-dimensional non-uniform flow conductivity field, matrix low-speed non-darcy seepage and a fracture variable coefficient seepage equation, strong nonlinear solving is carried out, and full-three-dimensional efficient simulation of fracture two-dimensional non-uniform flow conductivity characterization, matrix non-darcy seepage and fracture-matrix dynamic coupling is achieved.

The invention provides a cross-cloud platform virtual private cloud interconnection system based on a unified cloud management platform and a construction method, and relates to the technical field of computer networks. The system comprises a unified cloud management platform and at least two independent cloud platforms. Corresponding virtual private clouds run on the independent cloud platform, and the virtual private clouds are in network isolation; the unified cloud management platform is based on the VPN technology, a VPN tunnel network is constructed between a VPN server and a VPN client, and the virtual private cloud client serves as a gateway node to achieve communication between virtual private clouds on different cloud platforms. The configuration information of the VPN server and the virtual private cloud client is issued in a mode of virtual machine data injection and VPN server interface; the problem of data and information islands among cloud platforms in a multi-cloud platform scene can be solved, the resource sharing capability among the cloud platforms is enhanced, and the cross-cloud interconnection of applications and the cross-domain sharing capability of data are realized.

This invention provides an automated screw placement system and an orthopedic surgical robot, comprising: a Kirschner wire, including a wire body and a needle tip, the wire body and the needle tip being fixedly connected, the needle tip including a needle point located at the end of the needle tip; a pedicle screw, including a screw body and a milling assembly; and a power platform, including a wire placement module and a screw placement module. The wire placement module is used to place the Kirschner wire into the patient's spine, and the screw placement module is used to place the pedicle screw into the pedicle of the patient's spine. Through the collaborative design of the wire placement module and the screw placement module, the Kirschner wire positioning and screw implantation process are integrated into the same robotic arm operating platform. With the command control of the robot system, the operation time is significantly shortened, the surgical risk is further reduced, and the entire process from Kirschner wire placement to pedicle screw placement is automated.

The application relates to the technical field of electromagnetic wire spool storage, and provides an electromagnetic wire spool grabbing mechanism, which realizes accurate grabbing and intelligent tray splicing of electromagnetic wire spools through the synergistic effect of three-axis servo driving, an adjustable pneumatic clamping jaw and an industrial vision system. The mechanism is deeply integrated with an MES / WMS system, significantly improves tray utilization and tray splicing efficiency, reduces manual intervention, and is suitable for transformer production logistics automation scenes.

This application relates to the technical field of emulsion explosive loading equipment, and in particular to a multi-degree-of-freedom grasping and positioning mechanism for an emulsion explosive loading robot, comprising a grasping component, a positioning component, and an adjustment component. The grasping component features flexible contact pads and raised structures to increase gripping friction and reduce damage; the positioning component achieves horizontal and rotational freedom through slide rails, sliders, and a rotary table; the adjustment component employs telescopic rods and universal joints to enhance attitude adjustment capabilities. This application, through optimized mechanical structure design, solves the problems of insufficient flexibility and poor adaptability of existing equipment, significantly improving the efficiency and accuracy of grasping and positioning, and providing an efficient and precise solution for the emulsion explosive loading process.

The application discloses a kind of space two-stage distributed robust beam synthesis methods, comprising: by multiple unmanned aerial vehicle nodes respectively receiving radar signal transmitted by signal source;By phased array, the radar signal received by each unmanned aerial vehicle node is respectively subjected to beam synthesis, and the first beam synthesis signal corresponding to each unmanned aerial vehicle node is obtained;The first-stage beam synthesis signal is subjected to amplitude and phase weighting, and the first beam synthesis is synthesized, and the second beam synthesis signal is obtained.By constructing the two-stage hierarchical new architecture of spatial distributed robust beam synthesis, two-stage joint robust beam synthesis is carried out in node internal phased array and between nodes.Using robust optimization theory, the error distribution is modeled, the problem is converted into a robust optimization problem, a new beam synthesis algorithm robust to model error is designed, efficient solution is carried out, and theoretical analysis is given.The problem of reducing signal-to-noise ratio loss under the condition that the environment information has high uncertainty in traditional radar is solved.

The utility model relates to the technical field of food detection devices, in particular to a food additive component detection device which comprises a detection device assembly, a driving assembly is fixedly connected to the top end of the detection device assembly, a transparent glass storage assembly is fixedly connected to the inner side of the driving assembly, the driving assembly comprises an arch frame, and a servo motor is fixedly connected to the front end of the arch frame. The tail end of a main shaft of the servo motor is fixedly connected with a shaft column, the outer side of the shaft column is fixedly connected with a fixed rotating disc, the inner side of the fixed rotating disc is provided with a fixed groove, the transparent glass storage assembly comprises a straight pipe, the rear end of the straight pipe is fixedly connected with an expansion pipe, the front end of the straight pipe is fixedly connected with a spherical glass shell, and the front end of the spherical glass shell is fixedly connected with a zigzag pipe. The device realizes efficient, accurate and convenient liquid food additive detection, automatic mixing and cleaning, avoids cross contamination, improves the detection efficiency and reliability, reduces the labor cost, and enhances the continuous working capability.

This invention relates to a method for solving the inverse kinematics of a six-DOF offset serial manipulator based on dual quaternions, belonging to the field of manipulator design technology. The method is as follows: Six-DOF offset serial manipulators are classified into Type I and Type II. A reference coordinate system and an end-effector coordinate system are established for each type. The link lengths, position coordinates, unit direction vectors, and line spacings of each joint are defined, thus obtaining the Plück coordinates of each joint. Inverse kinematics analysis and solutions are performed for both Type I and Type II manipulators. The solution method is then validated. This invention achieves efficient inverse kinematics solving, meeting the real-time requirements for inverse kinematics solving speed in industrial scenarios and improving the control performance and application efficiency of manipulators in high-precision operation scenarios.

This invention discloses a resource aggregation optimization method, apparatus, and storage medium for power demand response. The method includes: constructing an initial objective function for a demand response aggregation optimization model and setting physical constraints for the initial objective function; acquiring invited capacity data, actual response capacity data, and deviation data from users and load aggregators, respectively, and inputting them into an effective response tier processing model to calculate the effective response capacity with different deviation relationships and establish corresponding tiers; outputting the corresponding effective response capacity tiers for users and load aggregators; setting tier state variables and tier intermediate variables for each tier, and setting corresponding logical constraints; updating the objective function of the demand response aggregation optimization model; inputting the updated objective function into the demand response aggregation optimization model; outputting decision result data; and obtaining a resource aggregation optimization application scheme for load aggregators to conduct scheduling transactions under the day-ahead invitation mode.

The invention discloses a self-tuning delay method and system for suspension load vibration control, and relates to the field of mechanical structure vibration control. According to the method, a parameter observation function is introduced into a self-tuning delay control algorithm, so that the delay parameter can be adaptively adjusted in real time according to the changing rope length, and the control algorithm can still keep robust and effective vibration suppression performance under the condition that the system parameter (such as the rope length) is continuously changed; the problem of performance degradation of a traditional control method in a time-varying system is solved; in the core time lag parameter design of the self-tuning time lag control algorithm, the inherent closed-loop time lag of the system is directly integrated, and the use of a traditional time lag compensator (such as a Smith predictor and model predictive control) which is complicated and depends on a high-precision model is avoided, so that a control loop is basically not influenced by the system feedback time lag, and the control precision is improved. And an effective and simple solution is provided.

The present application belongs to the field of foot and ankle surgical implant devices and biomedical material surface engineering technology, and discloses a tibial component of ankle prosthesis with a composite coating, which comprises: a metal substrate which is a bionic trabecular three-dimensional interconnected porous titanium alloy structure, the porosity is 50-80%, the average pore size is 400-900 mu m, and the connected porosity is greater than or equal to 85%, so that the elastic modulus is controlled in the range of 5-20 GPa, and is matched with the cancellous bone of the tibia; a composite functional coating is in situ grown on the surface of the metal substrate, and the composite functional coating comprises a bioactive layer and a functional ion doped layer. The tibial component of the present application comprises a porous titanium alloy metal substrate and a composite functional coating constructed in situ on the surface thereof, the porous titanium alloy substrate is designed in a bionic trabecular structure to form a three-dimensional interconnected porous structure, so as to provide an elastic modulus matched with the cancellous bone of the tibia and promote the growth of bone tissue.

This invention discloses a supervised multimodal hash retrieval method and system based on label enhancement, belonging to the field of artificial intelligence and multimedia retrieval technology. The technical problem this invention aims to solve is how to better capture the similarity information between multimodal data points and achieve better performance and accuracy in multimodal retrieval tasks. The technical solution includes: data preprocessing: acquiring and organizing public datasets of image and text modalities, and dividing each public dataset into training, testing, and retrieval datasets; extracting deep features: using a pre-trained network model to extract features from the raw data of the public datasets of image and text modalities respectively, obtaining deep features of the image modality and the text modality; offline training; variable update and optimization; and online query. The system includes a data preprocessing unit, a feature extraction unit, an offline training unit, a variable update and optimization unit, and an online query unit.

The utility model discloses a kind of power line winding mechanism and line winder of bamboo cutting scissors, the power line winding mechanism of bamboo cutting scissors includes mounting bracket, winding assembly, wire arrangement component and locking assembly installed on mounting bracket;Winding assembly and winding assembly are sequentially installed on mounting bracket, winding assembly includes winding limiting piece;Locking assembly controls the rotation state of winding limiting piece by mechanical limit, to realize the locking state and the unlocking state of switching winding mechanism.The utility model realizes efficient power line management by modular design: winding assembly orderly receives and releases wire, wire arrangement component prevents winding, locking assembly accurately controls the rotation state of winding assembly;In locking state, guarantee transportation stability, when unlocking, quick collection and release improve efficiency.The utility model compact structure is light and handy, adapts complex terrain, prolongs power line coverage range, reduces equipment carrying frequency, significantly improves the applicability and practicality of electric bamboo cutting scissors equipment in forestry operation.

The application discloses a kind of quantum circuit enhanced knowledge graph reasoning method;Belong to knowledge graph technical field;Method includes: knowledge graph entity is mapped to complex vector space quantum state;For the triple to be reasoned, the parameterized quantum gate of the head entity quantum state from three rotation angle parameters is constructed to carry out relationship transformation, and the quantum exchange test is carried out with tail entity quantum state, the inner product real part is calculated to generate semantic correlation score, is converted into the probability of triple establishment;With the first-order logic rule, the joint probability distribution is constructed with the probability of triple establishment as priori, and the posterior distribution of unknown fact is solved by variational quantum circuit;Based on the joint probability distribution definition variational objective function, the entity amplitude / phase parameter, relationship rotation parameter and rule weight are optimized jointly by gradient descent, until the posterior distribution converges;Based on the posterior distribution of convergence prediction unknown fact, complete knowledge graph completion.The application realizes high-precision, low-complexity, explainable knowledge graph reasoning.

The utility model relates to the technical field of electric heating towel racks, in particular to an electric heating towel rack which comprises a storage box, a first shell, a second shell and a hollow connecting column, towels are hung on the second shell, a heating module is arranged in the second shell, and a heating plate in the heating module can heat and dry the towels. A control module is further arranged in the towel rack and comprises a light-emitting part and a light sensing part which are arranged on the first shell and the second shell respectively, whether the towel is hung on the second shell or not is sensed through cooperation of the light-emitting part and the light sensing part, and therefore whether the heating plate is heated or not is controlled, and the towel rack can heat the towel more intelligently and efficiently.

The utility model discloses an electroplating cleaning device, which comprises a cleaning pool group, an electroplating pool group and an electroplating pool group, the carrying mechanism is arranged on one side of the cleaning pool set and used for carrying the jig frame so that the jig frame can be soaked into the cleaning pool body; the water supply system is arranged on one side of the cleaning pool set and provides clean water for the cleaning pool body; the water quality monitoring unit is arranged in the cleaning pool body, and the water supply system is controlled by the water quality monitoring unit to supply clean water to the cleaning pool body; the water flow circulation control system is arranged between the cleaning pool bodies and is connected with a drainage pipe. And a mixing structure is arranged in the cleaning pool body. The water supply system moves along the cleaning pool set and provides clean water for the corresponding cleaning pool bodies. And a liquid level sensor is arranged in the cleaning pool body. The multiple cleaning pool bodies are sequentially arranged in a stepped mode, so that water in the previous cleaning pool body enters the next cleaning pool body. The method has the remarkable advantages of improving the cleaning effect, accurately controlling the water quality, flexibly managing the water flow, saving energy, protecting the environment and the like.

This invention discloses a composite nanozyme and a kit for simultaneous recognition of multiple exosomes. The kit includes an aptamer / composite nanozyme solution, exosome standards, TMB substrate solution, H2O2 solution, and 96-well plate enzyme labeling strips. This invention innovatively utilizes Ti3C2T... x A nanozyme (MX-MnNF) formed by combining MXene nanosheets and MnO2 nanoflowers was constructed, and a colorimetric sensor array was built by modifying it with three aptamers: EpCAM, MUC1, and HER2. Based on the peroxidase-like activity of the nanozyme, it can catalyze the TMB-H2O2 reaction to produce color changes, enabling the simultaneous recognition of multiple exosomes. This method can complete the detection within 10 minutes, with a detection sensitivity of up to 10 particles / mL and an accuracy of up to 95% for clinical samples. It has the advantages of simple operation, rapid detection, and high sensitivity, providing a new technical means for tumor liquid biopsy.

The utility model discloses a kind of sodium caseinate is used to quantitative loading device, it belongs to quantitative equipment technical field, including anchoring structure, its upper surface one side fixedly connected pipe valve stable structure, pipe valve stable structure is fixedly connected three-way branch ware in, anchoring structure upper surface other side fixedly connected reciprocating power module cabin, reciprocating power module cabin inner wall one side rotationally connected adjustable phase driving disc, three-way branch ware one side fixedly connected quantitative assembly, reciprocating power module cabin upper surface fixedly connected sterile raw material bin, sterile raw material bin upper surface fixedly connected flow state flow guide dome.The utility model is through setting quantitative assembly, ensure that the amount of dairy product that is inhaled from sterile raw material bin and pushed to soft package each time is constant, to improve the quantitative accuracy of packaging, while device operation process is simple and clear, reduce operation difficulty and labor cost, improve production efficiency, quickly, accurately complete the filling work of a large number of soft package, satisfy production line demand.

This invention discloses an adaptive optimization method for optical scattering measurement. It involves parametrically modeling the nanostructure to be measured and building a basic coarse-grained sample library. A coarse-grained surrogate model is then trained based on this sample library, enabling rapid identification of multiple key regions. Adaptive sampling is then performed based on these key regions to build a fine-grained sample library. A fine-grained surrogate model is further trained based on this library, and this model performs fine-grained search optimization within the key regions to find the optimal values ​​within these regions. These optimal values ​​represent the relevant parameters of the sample to be measured. This invention can narrow the search range and rapidly build the library using a variable-grained surrogate model, and improve optimization efficiency through an adaptive optimization strategy, thereby achieving accurate and efficient solution for the relevant parameters of the sample to be measured.

The utility model provides an intelligent storage shelf anti-goods-falling structure which comprises a storage shelf body, a plurality of storage positions are arranged at the inner end of the storage shelf body, a transverse matching truss is arranged between the left inner wall and the right inner wall of each storage position, and the transverse matching trusses are located on the upper sides of inlets of the storage positions. A plurality of rotating outer shaft rings are rotatably connected to the outer side of the transverse matching truss, the rotating outer shaft rings are horizontally arranged at equal intervals, the transverse matching truss is arranged in the storage position of the storage shelf body, and the outer side of the transverse matching truss is connected with an anti-falling vertical rod structure through the rotating outer shaft rings; the anti-falling vertical rod structure is magnetically connected with the electromagnetic bottom block through the metal bottom ring block at the bottom to form a goods anti-toppling protection mechanism, when goods are stored and taken, the control terminal panel cuts off power supply of the electromagnetic bottom block, the anti-falling vertical rod structure can rotate around the self-rotation outer shaft ring, and barrier-free storage and taking of the goods are achieved.