50 results about "Link design" patented technology

The invention belongs to the technical field of communication, and particularly relates to an ultra-wideband ground penetrating radar transmitting link design method based on pseudo-random coding. The pseudo-random code generation module is connected with the serial-to-parallel conversion module, the serial-to-parallel conversion module is connected with the double data transmission rate module, and the double data transmission rate module is connected with the signal emission module; the pseudo-random code generation module is used for generating high-speed pseudo-random codes; the serial-to-parallel conversion module is used for integrating four paths of parallel data into one path of serial data and outputting the serial data; the double data transmission rate module is used for converting a signal transmitted only at a rising edge into a form that the rising edge and a falling edge are sampled and transmitted; and the signal transmitting module is used for transmitting the high-speed pseudo-random codes sampled at the rising edge and the falling edge. The detection resolution of the ground penetrating radar and the signal-to-noise ratio of a transmitted signal are improved.

The invention relates to a radio frequency feed link power optimization method and device based on an improved genetic algorithm, and the method comprises the steps: setting a design index of a radio frequency feed link according to the composition of the radio frequency feed link, and building a microwave assembly parameter library; based on the design index of the radio frequency feed link and the microwave component parameter library, constructing an optimization model of the radio frequency feed link by taking the maximum power gain as a target function and combining at least one constraint condition of interlayer mutual exclusion constraint and noise constraint; and based on the optimization model, solving an optimal design index of the radio frequency feed link to obtain a technical scheme meeting preset power gain and noise coefficient requirements. Therefore, the problems that the multi-objective optimization requirement cannot be considered, global optimal configuration is difficult to realize in a complex parameter space, the link power distribution is not uniform, the system performance is limited and the like due to the fact that the radio frequency feed link design generally adopts a method of manually depending on an empirical formula or manual parameter adjustment are solved.

The present invention discloses a method for designing inter-layer links of multi-layer constellations with enhanced service coverage capability, comprising: constructing a large-scale multi-layer satellite network spanning T time slots, and obtaining the coordinates of all satellites in the multi-layer satellite network in each time slot under geocentric coordinates; constructing an adjacency matrix of each constellation layer in the multi-layer satellite network; constructing a feasible set of satellite links between two adjacent layers in each time slot multi-layer satellite network; constructing a ground non-uniform service model based on geographic population distribution, dividing the earth's surface into multiple logical regions; calculating the weight of each time slot inter-layer link in the satellite link feasible set; establishing an inter-layer link allocation model based on the weight of the inter-layer link; optimizing the inter-layer link set in the satellite link feasible set to obtain an optimized inter-layer link set. The present invention designs a large-scale satellite network inter-layer topology by constructing inter-layer links, improves the throughput of the multi-layer satellite network, and effectively enhances the service coverage capability for global non-uniform services.

The invention discloses an electromagnetic compatibility design method for a low-orbit satellite system, and aims to solve the problems that the traditional design focuses on a single machine, measures are isolated, and complex electromagnetic interference of the low-orbit satellite system cannot be handled. The method comprises the following steps: S1, analyzing a system-level electromagnetic environment and requirements, determining parameters, and identifying an interference source and a coupling path; s2, providing a layered and graded electromagnetic compatibility framework including platform and load isolation, power supply interference suppression, satellite-borne cable network optimization and grounding system construction; s3, performing frequency resource and signal integrity management, planning a frequency spectrum, and optimizing a clock and a digital circuit; s4, providing a software anti-interference and fault-tolerant mechanism, and realizing data verification, instruction voting and state monitoring; s5, performing on-orbit electromagnetic compatibility prediction; and S6, carrying out ground test verification. According to the method, a full-link design system is formed, interference risks are avoided in advance, and the operation stability and data reliability of the satellite in a complex electromagnetic environment are improved.

The invention relates to a high CMTI isolator link design and a related method. Described herein are on-chip isolator devices useful for high power applications designed to enhance high common mode transient immunity (CMTI) without sacrificing isolator gain. The isolator device includes two dies. The first die supports an isolation barrier and the second die is barrier-free. The second die is barrier-free because it lacks an isolation material (e.g., polyimide) typically used to maintain an isolation barrier in an on-chip isolator device. To enhance the CMTI, the second die is equipped with a tapped impedance element having a tap coupling the impedance element to a reference potential (e.g., ground), although no further isolation barrier is formed on the second die. The secondary side of the isolator of the first die is coupled to the tapped impedance element of the second die to create a discharge path for a common mode transient.

The present invention relates to the technical field of unmanned aerial vehicles (UAVs), and in particular to an automatic positioning and blade-retracting mechanism for a rotorcraft, comprising: a platform placed in a charging box for providing a docking position for the UAV; a clamping assembly arranged on the platform for clamping and fixing the UAV after docking; a plurality of blade-retracting assemblies, wherein the plurality of blade-retracting assemblies are respectively located on each side of the platform. In the present invention, a design of automatically resisting a rocker arm is adopted in the process of positioning the UAV by a clamping rod, and the linked design has higher movement accuracy and lower manufacturing cost. At the same time, a design of four clamping rods is adopted to ensure synchronous clamping of the UAV to ensure that the UAV is positioned in the upper middle part of the platform. Thereafter, the driving force generated by the movement of the clamping rod drives the rocker arm to move to position and retract the blades on the UAV to avoid the problem of the blades protruding from the outside of the platform and being damaged by impact during descent.

The invention relates to the technical field of power grid information processing, and discloses a capacity expansion system of a power grid single-machine information system, which comprises a data classification module, a magnetoelectric hierarchical storage module, a data migration module, a resource pooling module, an elastic scheduling module and a collaborative optimization module. The system does not need to only depend on hardware superposition, can improve the hot data processing efficiency, reduce the storage cost, improve the resource utilization rate, eliminate the influence of cold and hot data mixed storage on the hot data read-write speed in the whole process from data identification to medium adaptation to dynamic optimization, improve the system processing efficiency, and solve the problem that in the prior art, the hot data read-write speed is not influenced. In the prior art, because the access frequency of data is not distinguished, hot data with frequent access and cold data with less access are stored in the same medium, so that the read-write speed of the hot data is influenced, and the processing efficiency of a system is reduced.

The invention, which belongs to the technical field of line fault early warning, discloses an RIS-based power transmission line fault early warning system comprising a sensing acquisition layer, a communication enhancement layer, a data processing layer, an early warning application layer and an operation and maintenance management layer. According to the invention, line information is acquired through a multi-source sensor, microsecond-level time sequence synchronization is realized in combination with a Beidou time service module, fault data association credibility is guaranteed, missed judgment of a single sensor and data non-synchronization deviation are avoided, a communication enhancement layer solves a signal blind area by relying on an RIS base station beam focusing technology, and through a double-link design and a CRC verification and hierarchical retransmission mechanism, the reliability of the system is improved. The data processing layer firstly removes invalid signals through preprocessing and noise reduction, then extracts fault features by combining a CNN-LSTM hybrid model with a time sequence relation, accurately identifies fault types, reduces positioning errors by fusing a double-end traveling wave distance measurement method and RIS positioning data, improves fault analysis precision, reduces the false alarm and missing report rate, and improves the accuracy of fault analysis. And a stable technical support is provided for power transmission line fault early warning.

Described herein are on-chip isolator devices that can be employed in high-power applications and that are designed to enhance high common-mode transient immunity (CMTI) without sacrificing isolator gain. An isolator device includes two dies. A first die supports an isolation barrier and the second die is barrierless. The second die is barrierless in that it lacks isolation materials that are commonly used to sustain isolation barriers in on-chip isolator devices (e.g., polyimide). To enhance CMTI despite the absence of a further isolation barrier formed on the second die, the second die is provided with a tapped impedance element, an impedance element having a tap that couples the impedance element to a reference potential (e.g., to ground). The secondary side of the isolator of the first die is coupled to the tapped impedance element of the second die, thus creating a discharge path for common-mode transients.

The invention discloses a battery ZCV curve adaptive arrangement method. High-precision and high-adaptability curve arrangement is realized through full-link design. The method comprises the following steps: collecting and preprocessing multi-source data, and screening reliable data through dynamic voltage interval demarcation and multi-dimensional validity verification; sOC interval subdivision and multi-mode missing point intelligent completion are carried out, and data are completed by combining battery characteristics of different SOC intervals and adopting a matching algorithm; performing two-dimensional deep purification on the physical data, and removing abnormal data through duplicate removal and physical rule verification; performing scene-based intelligent interpolation expansion, and adjusting data density as required; performing two-factor dynamic calibration in an aging environment, and correcting a curve in real time to adapt to the state change of the battery; self-adaptive DOD remapping is carried out, and the resolution of a key interval is improved; and dynamic precision optimization and resource adaptation are realized, and precision and equipment resource occupation are balanced. The method is compatible with various battery types, and can be widely applied to wearable equipment, electric automobiles, industrial internet of things and other scenes.

An audio signal link design method includes obtaining, through a user interface, an application information and a prompt; generating, based on the application information and the prompt, an audio link archive using a generative AI algorithm; and automatically loading and executing the audio link archive by a process design software. An electronic device includes a storage module, for storing an audio link generation program and a processing module, electrically connected to the storage module, for reading the audio link generation program for executing the audio signal link design method.

The utility model discloses a wire feeding guide structure, which belongs to the technical field of welding wire feeders, and comprises a mounting plate, a wire feeding guide plate and a wire feeding guide plate, the fixed end of the first telescopic rod is fixed on the mounting plate; the second telescopic rod is perpendicular to the first telescopic rod, and the fixed end of the second telescopic rod is fixed to the movable end of the first telescopic rod; the adjusting disc is fixed at the movable end of the second telescopic rod; the adjusting mechanism is used for adjusting the angle of the swing plate on the adjusting disc; and the guide wheel set is arranged at one end of the swing plate. The first telescopic rod and the second telescopic rod can preliminarily adjust the position of the guide wheel set in two directions so that the guide wheel set can be basically matched with a current wire reel, then the position and the angle of the swing plate on the adjusting disc are adjusted, the guide wheel set can be better matched with a wire feeding route of the wire reel, and the wire feeding efficiency is improved. Therefore, excessive friction between the welding wire and the periphery of the wire inlet is avoided.

The invention provides a precise decimal homomorphic calculation coding technology which can be expanded into a homomorphic encryption scheme supporting precise decimal calculation on the basis of an existing integer homomorphic encryption scheme. And after the message of the expanded scheme is subjected to secret state calculation, the result obtained by decryption has no error with the result obtained by directly calculating the original message. According to the technology, a new double-polynomial coding method is used for splitting an input decimal message vector, and front-end coding and tail-end decoding processes are introduced to ensure that a decimal message can be correctly coded and decoded. For a homomorphic operation scene, related processes of homomorphic addition and multiplication are redesigned, so that accurate homomorphic operation can be realized. The technology comprises the following six parts: (1) message front-end coding; (2) decoding the tail end of the message; (3) dynamically managing messages and plaintexts; (4) homomorphic addition link design; (5) homomorphic multiplication link design; and (6) carrying out homomorphic multiplication optimization design oriented to multiple threads.

The invention provides a multi-level energy system cooperative regulation and control method and system, the method is applied to a system comprising a power grid layer, a micro-grid layer, a building layer and an equipment layer, and a two-way communication channel comprising a main / standby link is established among the power grid layer, the micro-grid layer, the building layer and the equipment layer so as to guarantee reliable transmission of a control instruction and operation state data; setting an instruction link from the power grid layer to the equipment layer; setting a feedback link from the equipment layer to the power grid layer; if the execution rate of the power quota is lower than a preset threshold value, redistributing the target power quota, and uploading microgrid state evaluation data to a power grid layer at the same time; and the power grid layer dynamically optimizes the power regulation and control curve of the subsequent regulation and control period based on the received microgrid state evaluation data. According to the technical scheme, a power grid-micro grid-building-equipment four-level cooperative regulation and control framework is realized, full-level dynamic optimization is realized through bidirectional link design and power reconfiguration, and the energy optimization distribution performance and the utilization efficiency are improved.

The invention provides a multi-language cross-project system-oriented multi-layer architecture visualization model, which comprises a software element meta-model and a programming language exclusive domain model, and is characterized in that instantiation mapping is carried out on a specific programming language based on the software element meta-model to obtain the programming language exclusive domain model; the organization and expression mode of the multi-layer architecture visualization model comprises a link design diagram, an element organization diagram and a system architecture diagram; the multi-layer viewing view angle of the multi-layer architecture visualization model comprises a code layer, a link design and element organization layer and a system architecture layer; the applicable object of the multi-layer architecture visualization model is a cross-project composite software architecture comprising at least two programming languages and two independent code libraries. The model supports penetrating viewing of a calling link, element organization and an overall architecture in three progressive perspectives of a code layer, a link design and element organization layer and an architecture layer, and a standardized data base is provided for architecture analysis and visualization of a large-scale system.

The invention discloses a demand tracking system, method and equipment based on an orchestrable graph and a medium. The system comprises a cross-domain schedulable link design module and a tracking template which is defined by a graphical interface and serves as a system operation basis; the multi-modal graph construction module is used for carrying out semantic alignment and fusion on heterogeneous data by a multi-modal graph neural network and constructing a unified knowledge graph serving the tracking template; the event driving and data aggregation engine monitors a state change event based on the rule of the defined template, and drives the knowledge graph to update; the full-link tracking view generation module is used for generating an end-to-end full-link tracking view based on the template definition; the intelligent link completion module is used for completing potential entity association through a prediction algorithm; and the risk insight module is used for predicting delivery risks and triggering alarms. According to the invention, the problems of data islands, view solidification and insight lag in a research and development tool chain are solved, and configurable and intelligent full-link tracking and active risk management from a service end to a technical end are realized.

The utility model relates to the technical field of multi-degree-of-freedom control, in particular to a multi-degree-of-freedom control device of a five-connecting-rod structure. Comprising a control switch, a display screen, a bearing plate, a plurality of fixing blocks, two transverse aluminum profile supports, two first vertical aluminum profile supports, a second vertical aluminum profile support, a center sliding table, a five-connecting-rod mechanism, a three-axis rocker mechanism and two horizontal sliding tables. Compared with a complex synchronous belt scheme, the five-connecting-rod configuration of the device is simple in structure and low in design and manufacturing cost, meanwhile, the improved five-connecting-rod design has higher flexibility, complex path planning and dynamic adjustment can be achieved, different application requirements are met, and due to the fact that the five-connecting-rod closed-loop structure is adopted, the reliability of the device is improved. And the mechanical rigidity and the load capacity are high, and large operating force and load can be borne.

The invention discloses an interlayer link design method for a large-scale multi-layer heterogeneous computing power satellite network, and mainly solves the problems of poor dynamic environment adaptability, computing power cooperation dimension deficiency and limited large-scale extension in the prior art. The method comprises the following steps: constructing an LEO and MEO multi-layer satellite network, and generating an LEO layer adjacency matrix and a link relation array based on a one-satellite four-chain rule; dividing time slots, generating an interlayer link feasible set, and calculating an LEO number reference threshold value accessed by the MEO; a plan action is generated through an MAPPO algorithm, and an optimal link is reserved in combination with a conflict control mechanism to form an actual action; fusing topology to construct a global model to calculate a comprehensive reward value; and storing the state, action and related parameters of each MEO satellite in an experience pool, sampling and recombining, and then carrying out iterative training on the network of the MAPPO algorithm to complete the inter-layer link design. According to the method, the cross-layer resource scheduling and task collaboration efficiency can be improved, multi-target collaborative optimization and large-scale extension are realized, and the method can be used for cross-track layer computing power resource collaboration and data transmission optimization in a dynamic topology environment.

The utility model relates to the technical field of vehicles, in particular to a suspension structure and a vehicle, and aims to solve the problem that the controllability, the comfort, the safety and the whole vehicle weight of the existing vehicle are difficult to have competitiveness at the same time. In order to achieve the purpose, the suspension structure comprises a steering knuckle, a transverse connecting rod and a longitudinal connecting rod, the first end of the transverse connecting rod is hinged to the steering knuckle, and the second end of the transverse connecting rod is hinged to an auxiliary frame of the vehicle; the first end of the longitudinal connecting rod is hinged to the steering knuckle, and the second end of the longitudinal connecting rod is hinged to an auxiliary frame of the vehicle. In the projection of the vehicle in the height direction, the transverse connecting rod is located or close to the wheel axis. The longitudinal connecting rod is located in front of the transverse connecting rod. The longitudinal connecting rods are designed in a front-arranged mode, light weight of the longitudinal connecting rods is guaranteed, gaps between the longitudinal connecting rods and outer wheel tires are friendly, during steering, the large turning angle and the small turning diameter of wheels are achieved, and a vehicle with the structure achieves controllability, safety and comfort and has competitiveness at the same time.

The utility model belongs to the field of eddy current sorting technology, concretely relates to a kind of material distribution plate device for eddy current sorting machine, including magnetic cylinder, the side of the magnetic cylinder is provided with organism frame crossbeam, organism frame crossbeam is symmetrically equipped with shaft seat, the shaft seat between two is penetrated with shaft, the shaft is connected with the lever for pulling for pulling lever, the both ends of the shaft are equipped with the shaft plate of transmission torque, the other end of the shaft plate is connected with shaft pull rod;The combination structure of material distribution plate and connecting plate is adjusted with the horizontal direction spacing of magnetic cylinder by the cooperation of transmission mechanism, transmission mechanism is link design, simple structure, power transmission is direct, avoid complex transmission structure;The angle of angle plate is adjusted by angle pull rod, and then drive connecting plate on connecting plate shaft synchronous rotation angle adjustment, can quickly carry out material distribution plate feeding angle, solve the problem that material distribution plate position angle adjustment is inconvenient.

The present application discloses a multi-UAV cooperative multi-hop real-time relay link design method and device. The multi-UAV cooperative multi-hop real-time relay link design method includes: obtaining basic information of the environment to be transmitted; generating multiple basic area units according to the basic information of the environment to be transmitted; setting update degree information for each basic area unit; establishing a Dec‑POMDP model framework according to the basic information of the environment to be transmitted and the update degree information of each basic area unit; training and optimizing the parameters of the Dec‑POMDP model framework through the HyAR‑TD3 algorithm to obtain a trained strategy model; deploying the trained strategy model to each UAV. The multi-UAV cooperative multi-hop real-time relay link design method of the present application can solve the problems of limited digital service range caused by the limited perception range of UAVs, limited transmission range of control information between UAV clusters, and low latency requirements for data packets.

The invention discloses a quality control method for detecting the size of a concrete component based on a BIM (Building Information Modeling) model, which comprises four stages of preparation before construction and digital reference establishment, field measurement system layout, real-time measurement and intelligent judgment, and closed-loop deviation correction and reinspection, and comprises the following steps: deepening the BIM model in Revit and hooking a design value and an allowable deviation parameter; according to the method, a stable measurement datum point is arranged, software and hardware systems of a laser range finder and a mobile terminal are integrated, automatic comparison, intelligent judgment and visual feedback of measured data and model data are achieved, and meanwhile a traceable electronic quality file is formed. The method has the advantages of being remarkable in effect, high in reliability, small in error, wide in application range, easy to operate, controllable in construction quality and the like, and the construction quality of the cast-in-place concrete component can be effectively improved.

A high-efficiency data processing device for large-scale energy storage systems is disclosed. This device aims to solve the problems of complex wiring, high management and maintenance costs, poor scalability, and low data transmission efficiency caused by the existing one-cell-one-machine model. Its core includes four independently set AC-side boost-in integrated cells, each connected to a group of energy storage units and equipped with an external interface with an IP65 protection rating. A multi-port optoelectronic switch is centrally located and connected to the local data interface of each cell through independent physical communication links, ensuring isochronous data transmission, channel isolation, electromagnetic interference resistance, and waterproofing. The data backend is connected to the backend communication port of the switch through a backbone communication line. The switch has reserved expansion ports to support the connection of environmental monitoring units. Through centralized switching architecture and optimized link design, the system reliability, maintainability, environmental adaptability, control accuracy, response speed, and intelligent operation and maintenance level are significantly improved, while reducing costs and wiring complexity and enhancing scalability.

The invention relates to the technical field of data management, in particular to a data warehouse-in and warehouse-out management system for a poeia library, which comprises a standard storage module, a design terminal, a resource scheduling module and a data verification module. The specification storage module adopts a collaborative architecture of a dynamic storage unit and an archiving storage unit, and stores a power transmission line design specification and a specification traceability link; the design terminal receives the basic specification data and supplements design parameters to form enhanced specification data; and the resource scheduling module switches a complete storage mode, a core storage mode and a link storage mode according to the residual capacity threshold of the dynamic storage unit to realize intelligent adjustment of the storage granularity. Data states are migrated in order in the complete storage stage, the core storage stage and the link storage stage, and finally non-tampering archiving of standard traceability links is achieved through the block chain technology. According to the scheme, the problems of low storage efficiency, frequent version conflicts, verification strategy stiffness and the like of a traditional design library are solved, and full-life-cycle intelligent management of design specifications is realized.

The invention discloses an electronic device and an audio signal link design method. The audio signal link design method comprises the following steps: obtaining application data and prompt words through a user interface; based on the application data and the prompt words, generating audio link archive data by a generative artificial intelligence algorithm; and automatically loading and executing the audio link archive data by process design software. According to the electronic device and the audio signal link design method provided by the invention, the audio link archive data which can be executed by process design software can be quickly generated, and the time and complexity of audio link design are effectively reduced.

The present disclosure provides a semiconductor photonic device including a curved waveguide structure (e.g., a waveguide structure having a curved top view shape) that is optically coupled to a grating coupler to receive a high power optical signal. The curvature of the waveguide structure resists concentration of the optical power in certain regions within the waveguide structure, which enables the waveguide structure to handle the high power optical signal without (or with minimal possibility of) being damaged by the high power optical signal. This enables the waveguide structure to support and facilitate high signal speed and high optical bandwidth in the semiconductor photonic device, thereby enabling high system link design for optical communications.

The invention belongs to the field of Web page processing, and particularly relates to an encrypted Web page rendering method and system based on an embedded engine, and the method comprises the following steps: S1, account login and key pair generation, S2, symmetric encryption key transmission, S3, encrypted Web page data request, S4, key transmission and Web page decryption, S5, Web page rendering and security control, and S6, key and data destruction. According to the encrypted Web page rendering method and system based on the embedded engine, a full-link design of'source encryption-terminal decryption-rendering display 'is adopted; Web page data are symmetrically encrypted at a server and are transmitted to a client only in the form of encrypted data blocks; after the client receives the data, the Web page is loaded through the embedded engine and decryption rendering is completed, in the whole process, plaintext data is only temporarily stored in a memory and is not stored on the ground, and qualitative improvement is achieved from data safe transmission, safe access, stealing prevention, leakage prevention to crawler cracking prevention.

This utility model provides a power battery transmission and testing device, including a worktable. An electric guide rail is mounted on the upper side of the worktable, and a placement plate is slidably fitted onto the electric guide rail. An installation groove is formed on the upper side of the placement plate, and a clamping mechanism is installed inside the installation groove. A mounting frame is fixedly connected to the upper side of the placement plate, and a pressure plate is slidably fitted onto the inner wall of the mounting frame. Two trapezoidal plates are fixedly connected to one side of the pressure plate, and rubber wheels are rotatably fitted onto the lower side of the trapezoidal plates. By setting a synchronization mechanism, the transmission, fixing, and testing processes are linked. When the pressure plate moves, it drives the toothed plate to slide, which, through gears, connecting rods, bevel gears, etc., drives the lead screw to rotate, causing the testing probe on the lifting plate to automatically approach the power battery for testing. No additional power source is needed to separately control the probe's lifting and lowering. This linked design simplifies the operation process, shortens the testing time, and improves overall work efficiency.

The invention provides a forging furnace electric energy adjusting method and device based on a recurrent neural network. The forging furnace electric energy adjusting method comprises the steps that S10, data collection and preprocessing are carried out; s20, VSC parallel composite design is carried out; s30, designing a recurrent neural network; s40, designing a phase fast tracking module; s50, harmonic current detection design is carried out; s60, designing a fuzzy PI control link; s70, designing an electric energy adjusting device; and S80, power control and system operation. The novel forging furnace electric energy adjusting device is developed by combining the advantages of the STATCOM technology and the recurrent neural network, the device can monitor and predict the electric energy consumption mode of the forging furnace in real time, the use of electric energy is optimized through an intelligent adjusting strategy, the energy consumption is reduced, and the energy utilization efficiency is improved. According to the electric energy adjusting device based on the recurrent neural network, the operation efficiency of the forging furnace can be improved, support can be provided for stability and optimization of an electric power system, and the development trend of current electric power engineering is met.

The utility model discloses a product cut-off machine which comprises a machine base with an electrical module, a wafer brush sponge to be cut off is installed on the machine base through a rotating mechanism, the rotating mechanism drives the wafer brush sponge to rotate around a shaft, a recycling box is arranged below the installation position of the wafer brush sponge, and a rotary cutter is installed on the machine base through a rotary cutting mechanism. The rotary cutting mechanism drives the rotary cutter to rotate, and the rotating range of the rotary cutter coincides with the autorotation range of the wafer brush sponge. The round crystal brush sponge is driven by the motor to rotate and is matched with the rotary cutter rotating in the reverse direction to cut off, and finally the round crystal brush sponge falls into the recycling box. The circular crystal brush sponges of different sizes can be conveniently installed and positioned through the link design of rotating the joint pipe, the rotary cutter is adjusted in cooperation with the rotary cutting rod with scale marks, and the cutting-off precision is better; the two ends of the wafer brush sponge are installed in an adjustable three-point positioning mode and a bolt clamping mode, and the installation is scientific and reasonable.