101results about How to "Solve the real problem" patented technology

The utility model discloses a controllable rectification DC power transmission petroleum drilling machine hybrid power system, including generator unit, public DC bus, energy storage battery group, water -cooled inverter drive unit, total controller, central controller, brake unit, converter unit, the power transmission end of multiple generator unit is connected to the power receiving end of public DC bus, and public DC bus connects energy storage battery group, and the power transmission end of public DC bus is connected to the power receiving end of multiple water -cooled inverter drive unit respectively, and water -cooled inverter drive unit is connected to the load power receiving end of petroleum drilling machine, still be connected with brake unit and converter unit on public DC bus, the VCU controller of every generator unit is connected through CAN communication bus of central controller, and central controller still communication connection, BMS system in energy storage battery group, water -cooled inverter drive unit and total controller, can overcome the existing drilling system installed cost high, maintenance cost is higher, and the problem that power grid quality is greatly interfered, equipment volume is big, system efficiency is low.

The utility model discloses an NWS type direct current unit which comprises a cylinder body, an electric heating tube, a steel aluminum heat exchange tube, a first annular baffle, an upper annular plate and a lower annular plate, the cylinder body comprises an inner cylinder, an outer cylinder, an upper tube plate and a lower tube plate, a containing cavity is formed between the inner cylinder and the outer cylinder, the electric heating tube is arranged on the upper tube plate in a penetrating mode, and the power connection end of the electric heating tube is located outside the containing cavity. The two ends of the steel-aluminum heat exchange pipe penetrate through the upper pipe plate and the lower pipe plate respectively, the first annular baffle is arranged on the upper pipe plate, the power connection end of the electric heating pipe is wrapped in the first annular baffle, the upper annular plate is arranged on the first annular baffle and the outer cylinder, a water outlet pipeline is defined by the upper annular plate and the outer cylinder, and a water outlet is further formed in the outer cylinder. The lower annular plate is arranged at the bottom of the inner barrel and the bottom of the outer barrel, a water inlet pipeline is defined by the lower annular plate, the outer barrel is further provided with a water inlet, the water inlet is communicated with the port of the steel-aluminum heat exchange pipe, the NWS type direct current unit adopts the steel-aluminum heat exchange pipe to replace a stainless steel spiral coil pipe, and the NWS type direct current unit has better heat exchange efficiency.

The invention discloses a data acquisition and processing method of an intelligent measurement master station, which relates to the technical field of intelligent measurement, and comprises the following steps: dividing a data acquisition channel, and constructing a distributed architecture of the intelligent measurement master station; cluster processing and multilink load balancing master station deployment are carried out on a distributed architecture, dynamic channel resources deployed by the master station are allocated based on an asynchronous time division multiplexing technology, and master station deployment operation based on cluster processing and multilink load balancing is carried out. According to the invention, the intelligent measurement master station system can better adapt to a complex and changeable electric power environment, the data acquisition and processing efficiency is improved, and advantages are brought to the development and application of an intelligent electric power system.

According to the powerful cleaning quicksand filter, the filter is of a closed structure, and fluid enters from the bottom and flows out from the top; a combination of a water pump and a water ejector is adopted for conveying and cleaning a filter material to provide power, mixed water is firstly adopted for conveying, cleaning and desorption of the filter material, and then filtered clean water is adopted for rinsing in a separator; due to the fact that a plurality of combination modes are adopted for strongly cleaning the filter material, the cleaning effect is guaranteed. Therefore, a 0.1-0.3 mm micro sand filter material can be adopted, the filtering precision is greatly improved, and the use of viscous suspended matter water can be met.

The utility model relates to the technical field of sealing gasket, especially to a double-layer composite sealing gasket, which comprises a metal ring, an annular cavity is arranged on the inner side of the metal ring, a rubber ring is fixed in the annular cavity of the metal ring, an annular deep groove and an annular shallow groove are arranged on the inner circumferential surface of the rubber ring, the annular deep groove and the annular shallow groove are connected through at least one sawtooth groove, the depth of the groove bottom of the sawtooth groove gradually decreases from the annular deep groove to the annular shallow groove, compared with the prior art, the composite structure of the metal ring and the rubber ring, combined with the unique annular deep groove, annular shallow groove and sawtooth groove on the inner circumferential surface of the rubber ring, can effectively improve the sealing performance of the sealing gasket, the annular deep groove and the annular shallow groove can form multiple sealing lines during the sealing process, and the blocking ability of the fluid is enhanced, the uniform distribution of pressure is facilitated by the through design of the sawtooth groove, stress concentration is reduced, and the pressure resistance and wear resistance of the sealing gasket are improved.

The invention relates to the technical field of investment casting, in particular to a casting liquid fluidity experiment device and method. The casting liquid fluidity experiment device comprises a pouring cup, a main pouring gate, a bent pouring gate, a bottom pouring transverse pouring gate and a bottom pouring test plate. The first end part of the main pouring gate is communicated with the pouring cup; one end of the bent pouring gate is communicated with the bypass position of the main pouring gate; one end of the bottom pouring cross gate is communicated with the second end part of the main pouring gate; the interior of the bottom pouring test plate is hollow; one end, far away from the main pouring gate, of the bottom pouring cross gate is communicated with the bottom pouring test plate; the extension direction of the bottom pouring test plate is intersected with the extension direction of the bottom pouring cross gate; the bottom pouring test plate and the bent pouring gate are positioned on the same side of the bottom pouring cross gate; the cross section of the bottom pouring test plate is rectangular; the extension length of the bent pouring gate is greater than that of the bottom pouring test plate; in this way, the problems that in the prior art, casting liquid fluidity testing is single, and evaluation is not comprehensive enough are solved.

The invention relates to cargo transportation equipment, in particular to transportation equipment for loading and unloading liquid dangerous cargos, and aims to solve the technical problems that most valves used by existing common tank containers are manually opened and closed and need to be manually operated during use, the operation risk is high, and the efficiency is poor. The oil gas recovery device comprises a gas phase pipeline, an oil gas recovery connector, an oil gas recovery connector interlocking valve, an oil gas recovery valve, a sideboard vent valve, a main control gas source connector and a main control switch, the oil gas recovery valve is connected with the oil gas recovery connector through the gas phase pipeline, one end of the sideboard vent valve is communicated with the atmosphere, and the other end of the sideboard vent valve is connected with the gas phase pipeline through a first tee joint; the oil and gas recovery joint interlocking valve is mounted on the oil and gas recovery joint and is in a normally-closed state; a main control switch air inlet is connected with the main control air source connector, an air outlet is connected with the air inlet end of the oil-gas recovery connector interlocking valve and the oil-gas recovery valve, and the air outlet end of the oil-gas recovery connector interlocking valve is connected with the side plate vent valve.

The utility model relates to the technical field of forging furnace discloses a kind of multi-station quick die changing mechanism of forging furnace, comprising: base, for supporting overall structure;Multiple groups of push cylinder, fixed on base, and its output end is connected with push rod;Guide limiting rod, parallel setting in push rod both sides, for orientation;Push seat, with push rod, guide limiting rod fixed connection, and push seat is equipped with guide bar mouth and positioning jack;Die holder guide bar, slidably installed in guide bar mouth, and positioning slot is equipped in die holder guide bar;Positioning jack, cooperate with positioning jack and positioning slot by positioning jack, realize the quick positioning and locking of die holder guide bar. Multiple groups of push cylinder and guide limiting rod cooperation of being set, so that die holder guide bar can be quickly, stably switched between different stations, greatly shorten die changing time. Meanwhile, the cooperation design of positioning jack and positioning slot realizes the quick positioning and locking of die holder guide bar, improves the accuracy and efficiency of die changing.

The application discloses a head tracking method in a conference room multi-camera system and related devices, and the method comprises the following steps: collecting video stream data in the conference room based on the multi-camera system, and performing head tracking processing on the video stream data based on a multi-target tracking algorithm to obtain head tracking data in the video stream data; performing glass reflection head filtering processing on the head tracking data in the video stream data based on a pre-trained glass reflection filtering model to obtain filtered head tracking data; performing glass inside and outside distinguishing processing on the filtered head tracking data based on a monocular depth estimation glass boundary distinguishing mode to obtain head tracking data in the glass, and displaying the head data in the glass in real time to a specified area of a conference display screen. In the embodiment of the application, the tracking accuracy can be improved in the scene of multiple people overlapping in the conference room, and the interference of glass reflection and data inside and outside the glass can be effectively removed.

This invention relates to an energy consumption optimization method for special steel annealing furnaces based on improved nonlinear model predictive control, belonging to the field of intelligent control technology for special steel heat treatment. It solves the problems of lag and overshoot inherent in the PID controllers used in most existing annealing furnaces. Based on the law of conservation of energy, the formulas for annealing furnace heat loss, heating, and steel heat absorption, a nonlinear differential equation describing the furnace temperature is obtained. The current state and operating parameters are acquired. A physical information neural network is constructed based on the nonlinear differential equation describing the furnace temperature to predict the furnace temperature. Based on the predicted furnace temperature, current state, and operating parameters, an NMPC controller is used to obtain the updated valve opening. This invention enables real-time adjustment of the furnace temperature by a nonlinear model according to the current state and operating parameters.

This invention discloses an aminoindole derivative-based porous polymer, its preparation method, and its application, belonging to the field of dye adsorbent technology. The preparation method is as follows: 2-phenylindole is dissolved in acetic acid, and sodium nitrite aqueous solution is added dropwise. The system is then stirred and reacted at low temperature. After the reaction, the precipitate is collected and dried to obtain product 1. Product 1 is dissolved in ethanol, and NaOH solution is slowly added dropwise while stirring and mixing. Na2S2O4 is added, and the reaction is stirred under heating conditions. After the reaction, the precipitate is collected and dried to obtain product 2. Product 2, 1,2-dichloroethane, and dimethoxymethane are stirred and mixed. A catalyst is added, and the reaction is stirred and reacted under heating conditions. After the reaction, the precipitate is collected, washed, and dried to obtain the final product. The aminoindole derivative-based porous polymer of this application has high specific surface area, high adsorption rate, and high adsorption capacity, effectively solving the problems existing in the prior art.

The invention discloses a plastic surface coating method which comprises the following steps: heating a polyurethane monomer to a preset temperature to enable the polyurethane monomer to become a gaseous state; a DLC film is deposited on the surface of a plastic base material, and gaseous polyurethane monomers are doped with the DLC film, so that the protective film is formed on the surface of the plastic base material. According to the technical scheme, the protective film with the oxygen barrier performance is plated on the surface of the plastic, so that the problems existing in plastic packaging can be solved, the user experience is improved, and the health and safety of a user are guaranteed.

This invention discloses a Ni-Fe binary metal coal catalytic gasification catalyst, its preparation method, and its applications, belonging to the field of coal gasification. This invention addresses the technical problem of Ni catalysts being prone to sintering and sulfur poisoning under high-temperature conditions, leading to a significant reduction in their activity. In this invention, Ni and Fe are anchored on HZSM5 molecular sieves through physical adsorption and are highly dispersed on the surface of the HZSM5 molecular sieves, prepared using an excess impregnation method and calcination. This invention couples the lateral etching characteristics of Ni and the vertical etching characteristics of Fe, enhancing the gasification etching process of coal by the catalyst in the spatial direction, significantly improving carbon conversion rate, and providing an optimized approach for the design of coal catalytic gasification catalysts. Compared with existing catalysts, the Ni-Fe binary metal catalyst exhibits superior catalytic activity and thermal stability, while its preparation method is simple, making it a coal catalytic gasification catalyst with great development potential.

This invention discloses a method and apparatus for simulating the uplift process of ancient uplifts based on discrete element method (DEM) calculations. The method includes: determining the maximum slope of the fitted curve equation based on the upper boundary of the ancient uplift, thereby determining the initial overlap ratio of the particles; filling a rectangular box model of a second specified size with particles of a first specified size, ensuring the bottom particles have an initial overlap ratio, to obtain a first DEM model; determining the microscopic parameters of the granular materials of each stratum simulated using the first DEM model through biaxial compression experiments; setting the parameters of the first DEM model using the microscopic parameters of the granular materials and strata information to obtain a second DEM model; calculating the uplift vertical velocity of each particle at the bottom of the model based on the vertical velocity of the specified particles and the maximum value of the fitted curve; and simulating the uplift process of each particle at the upper boundary of the ancient uplift according to its uplift vertical velocity. This invention can simulate the uplift process of ancient uplifts with different geometric shapes.

The utility model discloses a suction type bolt-sphere net rack structure which comprises a bolt-sphere net rack, a suction assembly and a connecting frame assembly. The lower end of the connecting frame assembly is connected with the suction assembly, and the upper end of the connecting frame assembly is connected with the bolt-sphere net rack; the bolt-sphere net rack comprises a plurality of upper chords, a plurality of lower chords, a plurality of web members and a plurality of bolt spheres, the plurality of upper chords are connected into a square net shape through the plurality of bolt spheres, the plurality of lower chords are connected into a square net shape through the plurality of bolt spheres, the plurality of web members are located between the two square nets, and the two ends of each web member are connected with the bolt spheres. The suction assembly comprises four suction piles, and the four suction piles are all connected to the lower end of the connecting frame assembly. The utility model aims to provide the suction type bolt-sphere grid structure for overcoming the existing defects, all the components are manufactured in a factory, the processing and assembling speed is high, and the construction period is shortened.

A teaching system (1) includes a robot (10) having a robot flange (11) coupled to a first workpiece (70), and a teaching device (20); the teaching device (20) is provided with a teaching flange (21), and the teaching flange (21) is coupled to the second workpiece (80). The teaching device (20) is configured to move along a path in accordance with a set of parameters. The second workpiece (80) is identical to the first workpiece (70), and the teaching flange (21) is identical to the robot flange (11), so that the robot (10) can move along the same path as the teaching device (20) according to the same parameter set. Therefore, the robot (10) can move along the same path of the teaching device (20) according to the same parameters as the teaching device (20) without additionally calibrating the teaching device (20) and the robot (10). The invention further provides a method for the teaching system.

This invention discloses a method for preparing and applying a composite modified bentonite adsorbent material, belonging to the technical field of bentonite adsorbent materials. The method includes: amylating bentonite to obtain aminated bentonite; preparing modified alumina powder; mixing the aminated bentonite and modified alumina powder in a specific ratio, ball milling and drying, and then heat-treating to obtain the composite modified bentonite adsorbent material. The composite modified bentonite adsorbent material prepared by this invention possesses both the hydrophilic / complexing properties of amino groups and the hydrophobic / oleophilic properties of long alkyl chains, becoming an "amphiphilic" or "multifunctional" adsorbent. It can simultaneously produce synergistic adsorption of heavy metal ions and organic pollutants, improving the adsorption capacity of bentonite adsorbent materials for organic pollutants in wastewater and greatly expanding the application range of bentonite adsorbent materials.

The invention discloses a photovoltaic panel multi-defect fusion detection method and system, and belongs to the technical field of photovoltaic defect intelligent detection, and the method comprises the steps: obtaining a photovoltaic panel image set, constructing a double-branch feature extraction network which is respectively used for extracting texture defect features and temperature anomaly features of a local aging region, a cross-modal attention mechanism is introduced to carry out weight distribution and channel fusion, and a fusion photovoltaic feature image set is generated through feature calibration; constructing a multi-defect fusion detection model; introducing a dynamic anchor frame to adapt to defects of different sizes; optimizing a detection frame screening mechanism; outputting multi-defect type probability distribution and defect confidence of each detection frame; a cleaning path is planned by adopting a priority-based task scheduling algorithm and an improved A * algorithm, different defects are processed differentially, the limitation of single-mode detection is broken through, the defect recognition accuracy is improved, and efficient cooperation of detection and cleaning is realized.

This invention discloses a method and system for constructing and updating a fault mode knowledge graph for motors. The method includes: constructing a motor fault domain ontology model: defining core concept class hierarchy, object attributes and semantic relationships, acquiring structured and unstructured data and defining data attributes, and setting logical constraints and axioms; dual-channel knowledge extraction: using a deep learning model to extract knowledge from unstructured data and a mapping method to extract knowledge from structured data, generating original triplet knowledge; knowledge fusion: integrating knowledge from different data sources through entity alignment, attribute fusion and conflict resolution to construct a high-quality, unambiguous knowledge graph and storing it in a graph database; and intelligent fault reasoning and dynamic updating based on the knowledge graph. This invention fuses multi-source data, more accurately identifies long and difficult entities and complex semantic relationships, and improves the accuracy and efficiency of fault troubleshooting through a dual-weighted algorithm.

The invention discloses a multi-data-source data sharing method, and relates to the technical field of computers, and the method comprises the steps: verifying interface information sent by a data sharing business party based on an artificial intelligence adaptation engine, and obtaining a target interface for multi-data-source unified data sharing by using a dual verification result; determining a target query statement template based on the artificial intelligence adaptation engine and the target interface; determining a current data sharing security policy based on a preset security policy optimization model, an artificial intelligence adaptation engine and the target interface; and when an interface access request of a target interface is received, performing security verification based on the artificial intelligence adaptation engine, the current access token and the current data sharing security policy, and if the verification is passed, determining and returning a data query result to a data sharing requester based on the artificial intelligence adaptation engine, the interface access request and the target query statement template. According to the invention, the efficiency, security and scene adaptability of data sharing of multiple data sources are improved.

The utility model relates to the technical field of combined machine tools, in particular to a two-way expanding tool bit of a combined machine tool. The body flange is a main body structure of the expanding tool bit; the movable gear shaft penetrates through the body flange and is meshed with the left side helical teeth and the right side helical teeth; the left moving block is fixedly connected with the left helical tooth, and the right moving block is fixedly connected with the right helical tooth; the middle pressing plate, the right pressing plate and the left pressing plate press the left moving block and the right moving block on the body flange through bolts; the left side helical teeth and the right side helical teeth are bidirectional asymmetric helical racks, the left moving block and the right moving block are driven to move independently in two directions through axial movement of the moving gear shaft, and multi-procedure machining is completed through one-time feeding. The utility model provides the combined machine tool expanding tool bit which is compact in structure, zero in transmission clearance and capable of supporting two-way synchronous or asynchronous machining, the problems of low efficiency, poor precision, insufficient reliability and the like of traditional equipment are fundamentally solved, and technical guarantee is provided for machining of high-precision complex parts.

The utility model discloses an NWS type flag type direct current unit, which comprises a cylinder body, an electric heating tube, a steel aluminum heat exchange tube, a flag type steel aluminum finned tube, a first annular baffle plate, an upper annular plate and a lower annular plate, the cylinder body comprises an inner cylinder, an outer cylinder, an upper tube plate and a lower tube plate, an accommodating cavity is formed in the cylinder body, the electric heating tube is arranged on the upper tube plate in a penetrating manner, the power connection end of the electric heating tube is positioned outside the accommodating cavity, and the lower end of the electric heating tube is positioned outside the accommodating cavity. The two ends of the steel-aluminum heat exchange tube are arranged on the upper tube plate and the lower tube plate in a penetrating mode respectively, the lower end of the flag type steel-aluminum finned tube is arranged on the lower tube plate in a penetrating mode, the upper end of the flag type steel-aluminum finned tube is communicated with the steel-aluminum heat exchange tube, the first annular baffle is arranged on the upper tube plate, the power connection end of the electric heating tube is wrapped in the first annular baffle, and the upper annular plate is arranged on the first annular baffle and the outer cylinder. A water outlet is further formed in the outer barrel and communicated with a port of the steel-aluminum heat exchange pipe, the lower annular plate is arranged at the bottom of the inner barrel and the bottom of the outer barrel and defines a water inlet pipeline, and a water inlet is further formed in the outer barrel and communicated with the port of the steel-aluminum heat exchange pipe.

The utility model relates to a pair of prepuce postoperative protection underpants capable of adjusting the waistline size. The underpants comprise an underpants main body, a magic tape waistline adjusting structure and an openable wound protection assembly made of an eva material. The waist parts on two sides and the front waist part of the underpants main body are provided with hook surfaces and loop surfaces of magic tapes to realize waistline adjustment; the shaping ring is in an open ring shape and is connected with the underpants body, the shaping ring is made of a material similar to that of the underpants body, the edge of the shaping ring is covered, the protective cover is provided with air holes, one side of the protective cover is rotationally connected, the other side of the protective cover is provided with a buckling structure, and the upper end of the shaping ring can be provided with a fixing belt. The underpants can adapt to waistlines of people of different body types, by adjusting the position of the shaping ring and opening and closing the protective cover, wounds can be accurately protected, friction is reduced, dressing change and urination are facilitated, the comfort level and adaptability are improved, the nursing quality and efficiency are improved, the problems existing in traditional postoperative underpants are solved, and the prepuce postoperative nursing requirement is met.

The utility model discloses a gravity sensing device of a rocket power game machine, which relates to the technical field of game machines and comprises a control cabinet, a display panel is fixedly connected to one side of the control cabinet, a hammering head is movably connected to the top of the control cabinet, a gravity sensor is arranged in the control cabinet and electrically connected with the display panel, and the display panel is electrically connected with the control cabinet. An electric push rod is arranged on the inner wall of the control cabinet, and the tail end of the electric push rod is fixedly connected with a clamping pin. Game coins are put into the coin slot, the contact is triggered in the falling process of the game coins, then the contact triggers the sensor through the spring, and the sensor controls the electric push rod to start and drives the clamping pin to move, so that the limitation on the hammering head is relieved, and after one-time hammering is completed, the electric push rod is started again to push the clamping pin to be clamped into the hammering head, so that the game coins are hammered. The movement of the hammering head is limited, and the technical problem that equipment is damaged after a long time since a player knocks the game machine with a hammer without inserting coins is solved.

The application discloses a kind of hard real-time Gamma implementation method and medium for machine vision based on approximate compensation method, and the implementation method is transformed by Gamma algorithm basic formula, and the exponential operation is transformed into multiplication and shift operation suitable for processor such as FPGA implementation, the precision lost in transformation process is compensated using Taylor expansion, and lookup table is used to assist calculation for some fixed subitems not suitable for direct calculation, a kind of gamma coefficient real-time variable and change range unlimited Gamma algorithm implementation mode is provided.The RAM and LE resource consumption of the algorithm are moderate, the lookup table used in the algorithm does not change with input bit width, and it is an implementation mode based on current gamma coefficient real-time calculation result to solve the problems existing in the prior art Gamma algorithm, and provide an effective new implementation means of Gamma algorithm for machine vision field data processing and data display.

The present application relates to the technical field of environmental protection equipment, in particular to a kind of domestic waste residual wastewater treatment equipment, including wastewater treatment tower, inlet pipe, overflow pipe, slag discharge channel and exhaust bubble structure, the wastewater treatment tower is vertical, inlet pipe is installed at the top of wastewater treatment tower, overflow pipe is installed at the top of wastewater treatment tower, wastewater enters wastewater treatment tower from inlet pipe and flows downward, then is discharged through overflow pipe;By design, wastewater flows vertically in S shape in wastewater treatment tower, which can conveniently make wastewater pass through bubble curtain formed by the floating bubbles discharged by exhaust bubble structure in horizontal direction multiple times, conveniently make wastewater and bubbles form multiple intersection type air floatation effect, increase the contact time of wastewater and bubbles, improve the adsorption efficiency of bubbles on suspended impurities, and reduce the waste of bubbles.

The invention provides a wear-resistant antifouling soft-light ceramic rock plate and a preparation method, and belongs to the technical field of ceramic, the soft-light ceramic rock plate is polished after being fired, and is strengthened after being polished, and the strengthening treatment comprises the steps of introducing and activating hydrogen bond functional groups into a brick body, immersing the brick body into a carbon nanotube suspension for dip-coating treatment, and drying the brick body to obtain the wear-resistant antifouling soft-light ceramic rock plate. Taking out the brick body, heating and drying, then immersing the brick body into tetrahydrofuran coating liquid containing a silane derivative and a curing agent, and curing to obtain a finished product, forming a micro-nano structure by using the carbon nanotubes in a hydrogen bond anchoring manner, and improving the mechanical strength of the ceramic rock plate by using the excellent mechanical properties of the carbon nanotubes. The wear resistance and the hardness of the ceramic rock plate are enhanced; by replacing aluminum sulfate octadecahydrate with the carbon nanotubes, various problems caused by aluminum sulfate octadecahydrate at high temperature can be avoided.

The utility model discloses a kind of potato sorting devices, a plurality of parallel roller is equipped on main support frame, soft sleeve is covered on roller surface, adjacent roller spacing gradually increases along conveying direction, first groove and second groove are equipped below roller and are respectively connected with first slide and second slide.Vibrating mechanism is installed on auxiliary support frame, it is driven connecting rod by crank rotation to make column connecting piece reciprocating motion, guide pillar is slidably matched with buffer spring in shaft cylinder to realize the vibration of main support frame, guide pillar and guide sleeve ensure vibration trajectory accurate.Potato is conveyed along roller under the vibration assistance when sorting operation, size classification is realized by gradually increasing roller gap, smaller potato falls into first groove first, larger potato continues to be conveyed to second groove.The device realizes efficient low-damage sorting by the synergistic effect of spacing classification, soft sleeve buffering, vibration assistance and spring buffering, improves sorting efficiency, reduces potato damage rate.

The present invention discloses a method for processing grooves in a polishing pad for a detection window, comprising the following steps: Step 1, a processing tool begins to carve grooves from the non-detection window area of ​​the polishing layer of the polishing pad, forming a basic groove; Step 2, as the processing tool approaches the detection window, the processing tool gradually lifts up until it leaves the polishing layer, forming a detection groove; wherein the detection groove has an inclined structure. Compared with the prior art, the beneficial effects of the present invention are: during the groove processing of the polishing pad for the detection window, when the processing tool jumps out of the window, if the angle between the starting point convergence surface of the processing tool (the surface of the detection groove) and the bottom surface of the polishing layer is ≤80 degrees, no burrs will be generated when the processing tool leaves the polishing pad, eliminating the need for manual burr removal, improving processing efficiency, and effectively solving the burr problem.