129results about How to "Reduce processing efficiency" patented technology

The short-process magnesium alloy wire continuous extrusion preparation method comprises the following steps that a, magnesium alloy extrusion materials are prepared, the thickness of the extrusion materials is 0.03-0.1 mm, and the length of the extrusion materials is 0.3-5 mm; b) preheating an extrusion wheel, wherein the preheating temperature is 250-500 DEG C; c) continuous extrusion: continuously introducing inert gas into an extrusion cavity, then feeding the magnesium alloy scraps into the extrusion cavity, and driving the magnesium alloy scraps to pass through an extrusion die along with rotation of an extrusion wheel to extrude a wire; and d) shaping and sizing: carrying out shaping and sizing treatment on the obtained wire material to obtain the magnesium alloy wire material with the final required diameter. According to the method, the problem of lengthy magnesium wire processing flow is solved, the problem of single type of magnesium alloy wires is solved, and the problem of efficient batch production of magnesium welding wires and wires for additive manufacturing of different component systems is solved, so that industrial production of the magnesium alloy wires is realized.

The invention discloses a special-shaped inner groove machining method. The special-shaped inner groove machining method comprises the following steps that initial technological parameters of a to-be-machined inner groove of a target cylindrical workpiece are obtained; according to the initial technological parameters, a corresponding machining tool is selected so that a circle of annular groove can be turned in the inner wall of the target cylindrical workpiece; switching a machining tool to roughly machine a circle of first inner groove; performing quality inspection on the first inner groove to obtain a first correction parameter; initial process parameters are adjusted, and a machining tool is switched to conduct finish machining on the first inner groove; switching a machining tool to roughly machine a circle of second inner groove; quality inspection is conducted on the second inner groove to judge whether the second inner groove meets the qualification requirement or not, if yes, finish machining is conducted on the second inner groove by switching the machining tool according to the initial technological parameters, and if not, second correction parameters are obtained; and initial process parameters are adjusted, the machining tool is switched to carry out finish machining on the second inner groove, and the machining method has the advantage that the machining precision of the inner grooves is improved.

The invention discloses a purification treatment system and method for electric wire and cable combustion waste gas in the technical field of cable combustion tests. The purification treatment system comprises a gas washing module, a purification module and an adsorption box which are sequentially arranged in the waste gas flowing direction. The gas washing module comprises a spraying box, a rotational flow tower and a water tank, the spraying box is mounted above the rotational flow tower, a gas phase outlet in the top of the rotational flow tower is communicated with the bottom of the spraying box, the water tank is mounted below the rotational flow tower, and the top end of the water tank is communicated with a liquid phase outlet in the bottom of the rotational flow tower; the purification module comprises a washing box, a communicating vertical pipe and a treatment box, the treatment box is installed under the washing box, and the top of the treatment box communicates with the bottom of the washing box through the communicating vertical pipe; a gas inlet of the adsorption box is communicated with a gas outlet in the bottom of the treatment box. According to the invention, complete purification of waste gas generated by wire and cable combustion is realized, the treatment efficiency of the waste gas generated by wire and cable combustion can be improved, and the operation and maintenance cost can be reduced.

The invention discloses a data processing method and system of an intelligent organization construction system. The method comprises the steps that content recognition processing is conducted on a target text input by a user; inputting the content identification processing result into a pre-constructed classification model for processing; performing rewriting optimization processing on the target text; vector conversion processing is carried out, and a data definition language set corresponding to a vector conversion result is determined; generating target cue word data according to the data definition language set, the target text and a preset cue word template; inputting the target cue word data into a large language model to generate a target structured query language text; and executing the target structured query language text to obtain a query result. The method does not depend on a click type query mode any more, the text input by the user is accurately and effectively recognized and processed, the query precision is guaranteed, the processing efficiency of the organization construction data is improved, and the intelligent process of an organization construction system is promoted.

The utility model discloses papermaking residue recycling equipment, and relates to the technical field of papermaking device.The papermaking residue recycling equipment comprises a base and a working mechanism, the upper end of the base is fixedly connected with the working mechanism, the working mechanism comprises a wastewater treatment assembly fixedly connected to the upper end of the base, and the outer side of the wastewater treatment assembly is fixedly connected with a water storage assembly; according to the papermaking residue recycling equipment, through the arrangement of the working mechanism, during use, the design of the working mechanism of the papermaking residue recycling equipment embodies the concepts of environmental protection and resource recycling, the influence of the papermaking industry on the environment is effectively reduced, and through the wastewater treatment assembly and the water storage assembly, the papermaking residue can be recycled. The equipment can reduce wastewater discharge and recycle water resources, meanwhile, the fixed protection assembly ensures the safety of operators, the heat dissipation assembly and the treatment assembly work cooperatively, the heat efficiency and the treatment capacity of the equipment are improved, and stable operation of the equipment is ensured.

The invention provides a processing method of a light guide rod product, which comprises the following steps: providing a blank piece, and processing a first side surface and a second side surface which are adjacent; by taking the first side surface and the second side surface as references, the blank is mounted on a tool, and two end surfaces of the blank are processed by an upper disc to respectively obtain finished product end surfaces; coating the end surfaces of the two finished products to form coated end surfaces of the finished products; bonding an end face protection piece on the end face of the coated finished product, processing an opposite third side face to obtain a third finished product side face, and processing the first side face to obtain a first finished product side face; and side face protection pieces are bonded to the third finished product side face and the first finished product side face through wax, the opposite fourth side face is machined to obtain a fourth finished product side face, and the second side face is machined to obtain a second finished product side face. The problems that in the prior art, in the process that a light guide rod is machined through a matched disc, dismounting difficulty is large, and edge breakage control is not good are solved.

The invention belongs to the technical field of data processing, and provides a breeding tail water treatment method and system of rice straw modified biochar, and the method specifically comprises the following steps: firstly, arranging a flow sensor at a water inlet of a fluidized bed, reading the water inlet flow, and obtaining the aeration rate from an aeration device of the fluidized bed in real time; then, when the change rate of the water inlet flow exceeds a threshold value, self-adaptive aeration rate regulation intervention is carried out; wherein the self-adaptive aeration rate regulation intervention process comprises the following steps: constructing an aeration adaptive model through the water inlet flow and the aeration rate to obtain an adaptive pairing amount; and controlling the aeration rate according to the adaptive pairing amount. The occurrence risk of collapse of the fluidizing medium particles caused by water inlet flow change and aeration rate transition during culture tail water treatment of the fluidizing medium particles constructed by the rice straw modified biochar is dynamically quantified; fluidizing medium particles constructed by the rice straw modified charcoal are prevented from being crushed due to excessive aeration or sharp increase of water flow, and the operation quality and the service life of the fluidized bed are improved.

The utility model discloses a fisheye flat gasket stamping die which is characterized in that a fisheye extruding station, a punching station, a blanking station and a guide pin mounting station are correspondingly arranged on a concave die plate, a lower base plate and a lower die plate at the lower end part of the die; the female die plate is further provided with a conical rod mounting station and a guide punching rod avoiding station. And a fisheye extruding mounting station, a punching mounting station and a blanking mounting station which are respectively arranged corresponding to the fisheye extruding station, the punching station and the blanking station are arranged on a stripping template and an upper fixing plate at the lower end part of the die. The stripping template is further provided with a conical rod avoiding station, a guide pin avoiding station and a guide punching rod installing station which correspond to the conical rod installing station, the guide pin installing station and the guide punching rod avoiding station respectively. The punching die is high in punching efficiency, the material utilization rate can be remarkably increased, the high precision of the surface parallelism and planeness of the fisheye flat gasket can be guaranteed, and the punching die can be produced in a large scale.

The invention provides a magnesium alloy surface high-wear-resistance micro-arc oxidation film layer and a preparation method thereof. The preparation method comprises the following steps: S1, pretreatment of a magnesium alloy matrix: grinding and polishing the magnesium alloy matrix, and then cleaning and drying the magnesium alloy matrix; s2, preparing a silicate alkaline electrolyte: dissolving Na2SiO3, KF and NaOH in deionized water at room temperature, performing ultrasonic treatment until the Na2SiO3, the KF and the NaOH are completely dissolved, then adding the TiO2 nano-particles, and continuing ultrasonic treatment until the TiO2 nano-particles are uniformly dispersed in the deionized water to obtain the silicate alkaline electrolyte; and S3, micro-arc oxidation treatment is conducted, specifically, stainless steel serves as a cathode, the pretreated magnesium alloy matrix serves as an anode, the cathode and the anode are put into a silicate alkaline electrolyte, flushing and drying are conducted after micro-arc oxidation treatment, and then the high-abrasion-resistance micro-arc oxidation film layer is formed on the magnesium alloy sample. The structure, the structure and the performance of the magnesium alloy micro-arc oxidation film layer are improved by adding the nano TiO2 particles into the electrolyte, so that the wear resistance of the film layer is improved.

The electronic component pin machining device comprises a base, a working plate, guide columns, connecting frames and a clamping frame, the upper side of the base is connected with the working plate, the left side and the right side of the working plate are both connected with the front guide column and the rear guide column in a sliding mode, and the sides, away from each other, of the guide columns are both connected with the connecting frames. A clamping frame is connected between the two connecting frames on the left side, and a clamping frame is also connected between the two connecting frames on the right side. Compared with the prior art, the pin processing device has the advantages that when pins of electronic components need to be processed, the electronic components can be placed on the working plate, and the electronic components are clamped and fixed by controlling the guide columns and the clamping frames to move, so that the electronic components are prevented from moving and loosening, and the processing efficiency is improved. And the processing efficiency of electronic components is reduced.

The utility model discloses a numerical control plasma cutting gouging machining device, which relates to the technical field of plasma gouging machining devices and comprises a first fixing plate, a first fixing block is fixedly mounted in the middle of the top end of the first fixing plate, a gear is rotatably mounted in the middle of the first fixing block, and a first sliding block is slidably arranged on one side of the upper portion of the first fixing block. According to the plate clamping device, the first clamping plate, the second clamping plate and the third clamping plate are arranged, when the electric push rod pushes a plate to move, under the mutual cooperation of the gear, the first toothed plate, the second toothed plate and the third toothed plate, the first toothed plate is fixedly installed at one end of the first sliding block, and the first toothed plate is connected with the first gear in a meshed mode. The first clamping plate and the second clamping plate are fixed to the two sides of the plate to fix the plate, and the problems that in the prior art, the four corners of the plate are clamped and fixed through cooperation of bolts and fixing plates, convenience and rapidness are not enough, operation is tedious, and the machining efficiency is reduced are solved.

The invention discloses a returned coal gas regulation and control system suitable for coke production heat intensity control, relates to the technical field of coke production, solves the technical problems that corresponding regulation and control cannot be performed according to signals of a production line in the coke production process and the coal gas regulation and control efficiency cannot be optimized in the prior art, and particularly relates to a real-time coal type production evaluation unit. Generating a high impact signal or a low impact signal according to the coefficient comparison; the real-time production efficiency analysis unit generates a low-efficiency trend signal or a stable trend signal according to information analysis; the temperature control influence analysis unit generates a low-accuracy signal, a low-efficiency signal, a low-feasibility signal or an efficient regulation and control signal according to parameter analysis; the temperature control efficiency analysis unit is used for collecting adjustment influence information and adjusted influence information and generating a temperature control low influence signal and a temperature control high influence signal according to information processing; and the scene-oriented regulation and control unit is combined with various types of signals generated by the regulation and control platform to regulate and control returned gas.

The utility model relates to the technical field of sewage treatment, and discloses a sewage treatment agent spraying device for sewage treatment, which comprises a bottom plate, the top of the bottom plate is fixedly connected with a stirring tank, the top of the stirring tank is fixedly connected with a motor, and the output end of the motor is provided with a stirring assembly. An eccentric wheel is fixedly connected to the exterior of the stirring assembly, a sliding plate is slidably connected to the right side of the interior of the stirring tank, a filtering plate is fixedly connected to the right side of the sliding plate, a plurality of sleeves are fixedly connected to the right side of the sliding plate, and sliding cylinders are slidably connected to the exteriors of the sleeves; and the interiors of the multiple sliding cylinders are slidably connected with limiting rings. According to the sewage treatment device disclosed by the utility model, a sewage treatment agent can be screened, so that the situation that the caked sewage treatment agent cannot be effectively dissolved and the sewage treatment efficiency is reduced can be prevented, and the water spraying pipe not only can be effectively fixed, but also can be adjusted and used according to the requirements of different lengths.

The utility model discloses a large-thickness low-defect magnet piece laser cutting mechanism which comprises a first installation table and a second installation table, a U-shaped connecting frame is fixedly connected between the first installation table and the second installation table, and a circumference cutting mechanism is installed between the first installation table and the second installation table. The circumferential cutting mechanism comprises a mounting plate fixedly connected to the second mounting table, a cylinder is fixedly connected to the mounting plate, the cylinder is rotationally sleeved with a rotating cylinder, a laser cutter is fixedly connected to the rotating cylinder, and a plurality of tooth blocks are evenly and fixedly connected to the outer wall of the rotating cylinder. A fixing seat is fixedly connected to the U-shaped connecting frame, a motor is fixedly connected to the fixing seat, an output shaft of the motor is fixedly sleeved with a gear, and the gear is meshed with the multiple tooth blocks. According to the laser cutting mechanism, the cutting efficiency of the large-thickness and low-defect magnet pieces is effectively improved, and the machining efficiency of the laser cutting mechanism for the large-thickness and low-defect magnet pieces is effectively reduced.

The utility model relates to the technical field of hole correcting equipment, in particular to an inner hole correcting device for motorcycle rocker arm machining, which comprises a base, a lifting table is fixed on the upper side of the base, a hole correcting component is mounted on one side of the lifting table, and a machining platform and a water collecting tank which are fixedly connected with the lifting table are arranged below the hole correcting component. A hydraulic cylinder drives a pressing plate to descend to abut against a motorcycle rocker arm, so that the motorcycle rocker arm is limited in a positioning groove, a first motor drives a lead screw to rotate, and the lead screw drives a sliding block to descend in a threaded mode and can drive a second motor to descend. The second motor drives the hole correcting head to continuously cut the inner hole of the motorcycle rocker arm, cutting chippings fall onto the filter plate to be collected, operation is convenient and fast, the hole correcting efficiency is high, meanwhile, the water pump pumps cold water at the bottom of the water collecting tank and sprays the cold water to the cutting position through the spraying pipe, the hole correcting head rotating at a high speed can be cooled, and the hole correcting head is prevented from being overheated.

The present invention relates to the field of MBR membrane technology, and in particular to an MBR membrane assembly and an MBR membrane bioreactor. The present invention comprises a shell, wherein the shell is fixedly connected with an equidistantly arranged first plate and an equidistantly arranged second plate, wherein a first cavity is arranged in the first plate, and a first fixed plate arranged equidistantly is fixedly connected to a side of the second plate adjacent to the first plate, wherein the first plate is rotatably connected with an equidistantly arranged second fixed plate, wherein the second fixed plate is connected to a first cavity adjacent to the first plate, and uniformly arranged membrane filaments are fixedly connected between the first fixed plate and the adjacent second fixed plate. The present invention drives the adjacent membrane filaments to deflect by the second fixed plate, so that the adjacent membrane filaments scrape against each other during the working process, thereby removing impurities adhered to the outside of the membrane filaments, and allowing the membrane filaments to automatically remove impurities adhered to their surfaces during the working process, thereby avoiding a reduction in processing efficiency caused by shutdown when cleaning the membrane filaments.

The invention belongs to the technical field of automobile chassis, and particularly relates to an automobile chassis part cutting machining device which comprises a bottom plate, a rotary lifting supporting mechanism, an adjustable clamping turnover mechanism and an adjustable multi-angle cutting mechanism, a sliding groove and a clamping hole are symmetrically formed in the bottom plate, the rotary lifting supporting mechanism is arranged at the top of the bottom plate, and the adjustable clamping turnover mechanism is arranged at the bottom of the bottom plate. The adjustable clamping and overturning mechanisms are symmetrically and fixedly arranged on the top of the rotary lifting and supporting mechanism, and the adjustable multi-angle cutting mechanism is arranged on the top of the bottom plate in a sliding mode. The problems that an existing cutting device generally cannot automatically conduct overturning and other adjustment on a fixed part, a chassis part needs to be manually overturned and adjusted, the machining efficiency is reduced, and the cutting difficulty is increased are solved.

The invention relates to the technical field of intelligent whistle limiting scheme design of rail locomotives, in particular to an intelligent whistle limiting method and system of a rail locomotive and electronic equipment. The method comprises the following steps: S100, acquiring GPS data and inertial sensor data of a rail locomotive; s200, performing data fusion based on the obtained GPS data and inertial sensor data of the rail locomotive to obtain fusion position data of the rail locomotive; and S300, judging whether the fusion position data of the rail locomotive is located outside a preset geo-fence or not, and judging whether to control the whistling function of the rail locomotive to be closed or not according to a judgment result. And by fusing the data of the GPS and the IMU, the positioning accuracy and stability are remarkably improved. The system redundancy design is realized, and the reliable positioning service can be maintained even in a severe environment. And through the use of the STM32 single-chip microcomputer, rapid and real-time data processing is realized, and the response speed of the system is improved. Unnecessary noise is reduced, and a better living environment is provided for residents.

The utility model relates to the technical field of sheet metal part processing, and discloses a clamp convenient for sheet metal processing, which comprises a base mechanism, supporting tables are fixedly connected to two side surfaces of the upper end of the base mechanism, rotating mechanisms are fixedly connected to the upper end surfaces of the two supporting tables, and a clamp mechanism is fixedly connected to one side surface of each rotating mechanism. The base mechanism comprises a base body, a collecting box is fixedly connected to the bottom end in the base body, a movable cabinet is slidably arranged at the bottom end in the collecting box, each of the two clamp mechanisms comprises a fixing block, and a fixing clamp is fixedly connected to the surface of one side of each fixing block. The surfaces of the other sides of the two fixing blocks are fixedly connected with circular clamps. According to the sheet metal part machining fixture, the circular fixture and the fixed fixture are fixedly connected to the surfaces of the two sides of the fixed block respectively, so that sheet metal parts of different types can be clamped, and the situation that the fixtures need to be replaced in the sheet metal part machining process is avoided.

The invention discloses a preparation method of a high-specific-surface-area polymer-based magnesium artificial wetland filter material. The preparation method comprises the following steps: firstly, respectively preparing a water phase containing magnesium salt and an emulsifier, and an organic phase; then slowly dropwise adding the water phase into the organic phase in a trickling filtration manner, so that the water phase forms tiny liquid drops in the organic phase, a polymerization reaction is carried out on an interface, and a magnesium ion embedded polymer matrix is formed; carrying out foaming treatment on the polymer matrix embedded with the magnesium ions, and rapidly cooling; and finally, separating a blank body through suction filtration, cleaning, drying and screening to obtain the filter material. The filter material obtained by the method disclosed by the invention can regulate the pH value of a water body and slowly release magnesium ions, enhance the nutrient supply of plants and improve the wetland function in a low-temperature environment, and has a high specific surface area.

The invention discloses an unmanned workshop automation equipment upgrading management system and method based on the Internet of Things, and relates to the technical field of equipment upgrading management. Multiple data of automation equipment are monitored to analyze the operation state of the automation equipment; calculating and acquiring a warning coefficient by combining the influence factor with the running state, judging whether the current system of the automatic equipment needs to be returned or not based on the warning coefficient, and periodically acquiring a mean value of the warning coefficients of all the automatic equipment; and judging whether the system needs to be upgraded or not by combining the warning coefficient mean value with the work task of the automation equipment in the next day. The management system can comprehensively analyze multiple factors to judge whether system rollback needs to be carried out after system upgrading of the automatic equipment is completed, so that the machining precision and the machining efficiency of the automatic equipment are effectively prevented from being reduced, and the stability and the safety of operation of the automatic equipment are guaranteed.

A high-speed laser cladding wear-resistant and anti-corrosion layer production process and equipment for oil pumping polished rods, which has the following steps: 1) Sanding - grinding the part of the oil pumping polished rod to be clad on a sand grinder so that the outer circle reaches the preset diameter, while removing surface impurities and reducing surface roughness; 2) Clamping - clamping the sanded oil pumping polished rod to the polished rod bearing device; 3) Laser cladding - using a high-energy laser beam to clad the anti-corrosion and wear-resistant alloy layer on the surface of the preheated oil pumping polished rod. The present invention has a novel structure and ingenious conception. It uses an electromagnetic induction heating device to preheat the oil pumping polished rod, and then uses a high-energy laser beam to clad the alloy powder on the surface of the oil pumping polished rod to form a metallurgically bonded nickel-based alloy layer. Through the above-mentioned production process and equipment, the current situation of the traditional spray welding oil pumping polished rod production process being complicated, low powder utilization, and high equipment power consumption has been changed, the process has been simplified, costs have been saved, and it has extensive economic and social benefits.

This invention discloses a dust removal device and method for laser processing, including a workpiece holder for placing workpieces and a dust removal mechanism. The dust removal mechanism includes a fixed cover and an extraction cover, which are slidably connected. The fixed cover is equipped with a lifting drive device for driving the extraction cover to move up and down, thereby driving the extraction cover to move between an upper and lower position. An annular cavity is provided inside the extraction cover, with an extraction port on the inner side and an extraction pipe on the outer side. Both the extraction port and the extraction pipe are connected to the annular cavity. When the dust removal device is in operation, the extraction cover is in the lower position, and the workpiece on the workpiece holder is located inside the extraction cover, forming an annular extraction channel between the inner side of the extraction cover and the outer side of the workpiece holder. The extraction port is located below the workpiece. During processing, the workpiece is protected by the extraction cover, preventing the dust generated during processing from spreading into the surrounding environment and posing no harm to the surrounding environment or workers.

The utility model relates to the technical field of copper roller machining, in particular to an adjustable clamp for machining a special copper roller for metallurgy. The technical problems that when copper rollers are machined, clamps of different sizes need to be replaced for the copper rollers of different sizes, the copper rollers are inconvenient to adjust according to machining requirements after being fixed, time needs to be consumed for replacement and adjustment, and therefore the machining efficiency of the copper rollers is reduced are solved. According to the technical scheme, the adjustable clamp for machining the special copper roller for metallurgy comprises a sliding assembly, a rotating assembly, a rotating seat assembly, a clamping seat assembly and a clamping assembly; compared with a traditional clamp for copper roller machining, copper rollers of different sizes can be clamped and fixed through mutual cooperation of the rotating structure and the clamping structure, it is not needed to consume time to replace different clamps, the clamping structure is driven by the rotating structure to rotate, the copper rollers are driven to rotate, and the machining efficiency is improved. The angle of the copper roller is convenient to adjust, so that the machining efficiency of the copper roller is improved.

The utility model discloses a kind of pipe bender for automobile seat framework processing, relate to automobile engineering technical field.The utility model includes operation platform;The upper surface of operation platform is respectively fixed with conveying assembly and bending assembly;The conveying assembly includes two baffle one of symmetrical fixation, the adjacent side of two baffle one is respectively equipped with two inclined plate of symmetrical fixation on the upper surface of operation platform, rotatingly arranged between two inclined plate, the both ends of rotating shaft are all through inclined plate and are connected with baffle one.The utility model is cooperated between the specific components of conveying assembly and bending assembly, realizes automatic bending to pipe fitting, without artificial fetch one by one workpiece, then bending to pipe fitting is pressed again, pipe fitting is fetched after being pressed, simplify artificial operation process, avoid worker long time work to cause fatigue and then reduce enterprise processing efficiency.

The utility model discloses a plate spring support which comprises a support body used for connecting a girder and a plate spring body and a limiting assembly, the support body is provided with a side extending plate capable of supporting the bottom wall of the girder, the support body is provided with a first wall and a second wall which are arranged in parallel, and the first wall is perpendicular to the side extending plate and attached to the side wall of the girder. The limiting assembly is installed on the frame body and connected with the girder and the plate spring body. The weight of the support can be reduced while the structural strength is guaranteed, and the dead weight of the whole vehicle is reduced.

The invention relates to a solid waste classification treatment system, and relates to the technical field of solid waste treatment, the classification treatment system comprises a machine body, an extrusion mechanism and a removal mechanism, and the removal mechanism comprises a containing box which is arranged on the machine body, is used for containing solid waste and is provided with a material through hole for the solid waste to pass through; the tops of the two magnet plates are obliquely arranged at the bottom of the containing box; the control assembly is arranged on the containing box and controls opening and closing of the material passing hole. And the removing assembly is arranged on the containing box and used for removing iron waste on the magnet plate. According to the device, the two magnet plates are used for adsorbing iron waste, and finally, the iron waste is removed and collected through the removing assembly, so that the magnet plates can better adsorb the iron waste, the iron waste is recycled in time, the residual value of the iron waste is utilized, the treatment effect is improved, the probability of damage to extrusion equipment is further reduced, and the production efficiency is improved. And the treatment efficiency and effect are reduced.

The present disclosure belongs to the technical field of video quality evaluation, and particularly relates to a video quality evaluation method, system, device and medium based on multi-modal parallel analysis, which comprises the following steps: receiving a course video to be audited, loading user preset audit parameter configuration; unpacking the course video to be audited to obtain an initial video coding stream and an initial audio coding stream, simultaneously performing audio track integrity checking, terminating the audio analysis process based on the checking result, only performing video analysis, or simultaneously performing video and audio analysis audit processes; pre-processing the initial video coding stream and the initial audio coding stream; based on an asynchronous parallel architecture, performing multiple audit tasks on the standard image frame sequence and the standard audio data in parallel to obtain multiple output results; converging the multiple output results, performing cross-modal space-time alignment and fusion deduplication processing to obtain a processing result; and generating a structured audit report according to the processing result. The present application improves the efficiency and accuracy of video quality evaluation.

The utility model provides a chamfering device for a lever in a copper pipe frame, relates to the technical field of machining of parts of the copper pipe frame, and aims to solve the problems that after a lever structure of an existing part of the copper pipe frame is blanked, the lever needs to be chamfered, an existing chamfering mode is manually processed, the processing efficiency is low, the processing period is long, and the processing cost is high. The automatic chamfering machine comprises a workbench, the workbench is rotationally connected with an indexing table through cooperation of a motor and a rotor, multiple sets of stations are evenly distributed on the indexing table, levers are movably connected in the stations, pressing blocks are fixedly connected to the positions, located on the indexing table, of the upper portions of the levers, and a feeding mechanism is installed on the left side of the indexing table. The feeding mechanism comprises a frame, a stock bin is installed on the frame, the stock bin is filled with a plurality of sets of levers, and a stacking area is arranged above the stock bin.

This utility model discloses an automatic feeding and sewing device, including a worktable, a moving component, a vision module, and a control module. The worktable has a working plane, and a three-axis moving device and a sewing machine are installed on the worktable. The moving component is rotatably mounted on the three-axis moving device. The vision module is located above the working plane. The control module is electrically connected to the vision module and the three-axis moving device. The vision module collects the position information of the material on the working plane, and the control module processes the information to precisely drive the three-axis moving device, so that the rotatable moving component can pick up the material according to the material's own rotation angle and straighten it. This design directly solves the problem of traditional equipment requiring manual adjustment of the material's posture. Moreover, the three-axis moving device can drive the outer periphery of the material to continuously pass through the overlock sewing machine to perform sewing operations on the outer periphery of the material, which significantly improves processing efficiency and is especially suitable for mass production of fabrics to shorten the production cycle.