8626results about How to "Improve cleanliness" patented technology

The invention discloses hydraulic machine equipment suitable for die forging and blank making of various flanges and a forging method, and belongs to the technical field of flange production equipment.The hydraulic machine equipment suitable for die forging and blank making of various flanges comprises a base and further comprises a top plate, the top plate is arranged on the upper side of the base, and a guide column is arranged between the top plate and the base; the first hydraulic oil cylinder is fixedly arranged on the top plate, and a piston rod of the first hydraulic oil cylinder is connected with a pressure head; all positions of the forge piece are sequentially arranged on the lower side of the pressing head through the swing mechanism, all positions of the forge piece are conveniently and evenly forged, workers do not need to shake the forge piece back and forth by utilizing a clamp or a clamp on the side, and when the pressing head moves upwards every time, the die holder is automatically separated and is matched with the air spraying opening to blow away waste chips generated in the die holder during forging and pressing of the forge piece; and excessive scraps are prevented from being accumulated in the die holder and being matched with the forge piece gradually filling the die holder again, the follow-up processing time of the flange forge piece is shortened, and the flange processing efficiency is improved.

The invention discloses an air purification system for a clean workshop. The air purification system comprises a self-adaptive control unit, an air quality monitoring module, an air flow control assembly, an environmental parameter adjusting assembly, a self-optimization filtering assembly, a human-computer interaction interface and predictive maintenance system, an energy efficiency optimization module and a remote diagnosis and early warning system. On the basis of intelligent technologies such as machine learning, reinforcement learning and a data fusion algorithm, real-time monitoring, dynamic optimization and energy efficiency management of the air quality of the clean workshop are achieved. Based on real-time data and historical data, an algorithm is used for carrying out self-adaptive optimization on the air purification system, and manual intervention is reduced. And the running state of the system is dynamically adjusted through the energy efficiency optimization module, so that the energy consumption is reduced while the cleanliness is ensured. The system can diagnose equipment faults in advance, reduce downtime and prolong the service life of equipment. And due to a man-machine interaction interface and a remote monitoring function, an operator can know the state of the system at any time and carry out regulation and control.

The invention discloses a welding device and method for metal corrugated pipe production, and relates to the technical field of metal pipe production. A sliding rail is arranged at the top of the base, a collecting box is arranged on one side of the back of the sliding rail, two linkage plates are symmetrically arranged in the sliding rail, an L-shaped plate is arranged at the edge of the top of the base, an annular rail is arranged on the side, close to the axis of the base, of the L-shaped plate, and a welding assembly is arranged in the annular rail. Two deviation prevention devices are symmetrically arranged on the top of the base, and anti-falling devices are arranged on the inner sides of the deviation prevention devices. By means of the inclined plate and the round roller, it is guaranteed that a pipe entering the limiting ring is located in the center of the interior of the limiting ring all the time, the phenomenon of slight deviation in the pipe alignment process is avoided, and workers need to observe the deviated direction with the naked eyes so that manual adjustment can be conducted; and the alignment accuracy between the two pipes is effectively improved, and the welding preparation time is shortened.

The invention relates to the technical field of cable manufacturing, in particular to a wire drawing machine for cable manufacturing and a using method thereof.The wire drawing machine for cable manufacturing comprises a wire drawing machine body, a first stretching rotating roller, a second stretching rotating roller, a fixing box and a mold frame, and a control box body is fixedly installed on one side of the top of the wire drawing machine body through bolts; a first stretching rotating roller and a second stretching rotating roller are rotationally connected to the two ends of one side of the bottom of the control box body on the wire drawing machine body, a mold frame is fixedly installed at the center between the first stretching rotating roller and the second stretching rotating roller on the wire drawing machine body through bolts, and a plurality of wire drawing molds are installed in the mold frame in a staggered mode through bolts. The cleaning brush on the base ring cleans cable wires through rotating connection of the friction rolling wheels, cleaned metal powder and wire drawing lubricating liquid containing impurities enter the collecting box to be collected, adsorption cleaning is conducted through the movable magnet, the cleanliness of the lubricating liquid is improved, the subsequent processing quality of the cable wires is improved, and the service life of the cable wires is prolonged. The practical value is high.

The invention relates to the technical field of laser cutting, in particular to a laser cutting machine for shield manufacturing, which comprises a machine table, a conveying roller for feeding a metal plate, a pretreatment mechanism for cleaning the surface of the metal plate in the conveying process, and a cutting mechanism for performing laser cutting on the cleaned metal plate. According to the metal plate cutting device, through the arrangement of the pretreatment mechanism, oil stains on the surface of a metal plate can be doubly cleaned, the cleanliness of the surface of the metal plate is greatly improved, it is ensured that laser energy can evenly and accurately act on the metal plate, and therefore the cutting quality is improved, and the situation that the oil stains attached to the surface of the metal plate absorb the laser energy is avoided; the problems that cutting depth is uneven or cutting deviation is generated, laser cutting precision and effect are affected, oil smoke is generated, environment pollution is caused, and hidden danger is caused to health of workers are solved.

The invention belongs to the technical field of anchor rods, and particularly relates to a laser cutting machine for pipe groove machining, which comprises a workbench, a support frame is fixedly mounted on the workbench, an adjusting assembly is arranged on the support frame, a laser cutting assembly is mounted on the adjusting assembly, a mounting hole is formed in a support block, and a cylinder is fixedly mounted in the mounting hole. A driving assembly is arranged at the top of the cylinder and connected with a limiting assembly, a feeding assembly is arranged in the cylinder, and an annular sliding groove is embedded in the cylinder. According to the laser cutting machine for pipe groove machining, adsorbates on the surface of a pipe are conveniently and automatically removed through an annular gear and a cleaning ring, a second double-output-shaft motor works to drive the cleaning ring to move, the cleaning ring rotates to remove impurities adsorbed on the pipe, and the purpose of cleaning the surface of the pipe to be machined is achieved; and the situation that too many impurities are adsorbed on the pipe, the transmittance of laser beams is reduced, and therefore the cutting precision and consistency are affected is effectively avoided.

The invention discloses a hot-rolled high-weather-resistance steel plate with extremely low yield ratio and 850 MPa-grade tensile strength as well as a manufacturing method and application of the hot-rolled high-weather-resistance steel plate. The steel plate comprises chemical components in percentage by weight as follows: 0.06%-0.08% of C, 0.40%-0.60% of Si, 0.40%-0.60% of Mn, smaller than or equal to 0.015% of P, smaller than or equal to 0.005% of S, 2.50%-3.00% of Cr, 0.25%-0.30% of Cu, 0.13%-0.15% of Ti, 0.020%-0.040% of Alt, smaller than or equal to 0.0040% of N, smaller than or equal to 0.0030% of O and the balance of Fe and inevitable impurities. The high Cr + high Ti design is adopted, the tensile strength reaches 850 MPa, the weather resistance index I value is larger than or equal to 8.0, addition of precious metal Ni is omitted, the addition amount of the strong hardenability element Cr in the steel exceeds 2.50%, a fine grain ferrite and bainite double-phase structure is obtained in combination with the controlled rolling and controlled cooling process, meanwhile, the precipitation strengthening and fine grain strengthening effects of Ti are fully exerted, control over high strength and the extremely-low yield ratio smaller than 0.65 is achieved, and the high-strength and low-yield-ratio steel is obtained. The forming performance is excellent, the corrosion rate is smaller than 40% relative to Q345B, and good atmospheric corrosion resistance is achieved.

The invention discloses a battery cell detection device and method, and belongs to the field of battery cell detection. A battery cell detection device comprises a detection table and an appearance detector fixed to the top of the detection table, the top of the detection table is rotationally connected with a station disc, multiple sets of detection boxes are arranged on the station disc at equal intervals, a driving part for driving the station disc to rotate is arranged in the detection table, and the battery cell detection device further comprises a turnover mechanism. The turnover mechanism is arranged in the detection box; through the arrangement of the station disc, simultaneous operation detection of multiple stations is achieved, the detection effect is effectively improved, battery cells passing through the lower portion of the appearance detector can roll through the cooperation of the attraction effect of the magnetic area and the upper magnetic plate, therefore, comprehensive detection of the battery cells to be detected is achieved, the detection efficiency is effectively improved, and the detection cost is reduced. And by means of self-rolling and self-overturning, the friction effect can be effectively reduced, and the protection effect on the battery cell to be tested is improved.

The invention relates to the technical field of laser welding, in particular to a multi-station automobile part laser welding system which comprises a workbench, laser welding equipment is installed on the workbench, a fixing sleeve is fixedly connected to the workbench, a rotating disc is rotatably connected to the interior of the fixing sleeve in a penetrating mode, and a plurality of adjusting machining tables are fixedly connected to the rotating disc. An adjusting seat is rotationally connected to the adjusting machining table, a limiting transmission sleeve is rotationally connected to the adjusting seat, an automobile transmission shaft is placed in the limiting transmission sleeve, a pretreatment seat is fixedly connected to one side of the workbench, a pretreatment mechanism is rotationally connected to the interior of the pretreatment seat, and the pretreatment mechanism comprises a grinding brush wheel and a flushing pipe; before the automobile transmission shaft is welded, the automobile transmission shaft can be automatically cleaned through the rotating grinding brush wheel before welding, the cleanliness of the welding face is ensured, and therefore the welding quality is improved, the production cost is reduced, the production efficiency is improved, and the high requirement of modern automobile manufacturing is met.

The invention relates to the technical field of photovoltaic solar energy, in particular to a photovoltaic solar support structure with a light following function and a light following method thereof.The photovoltaic solar support structure comprises a supporting base, an L-shaped supporting plate and a control system are sequentially and fixedly installed on the side face of the supporting base from top to bottom, and the upper end of the supporting base is in a T shape; a rotating groove is formed in the upper end of the supporting base, and the control system executes the following steps that the control system comprises a light following sensor, a receiving and transmitting module, a motor control module, a potentiometer, an analysis processing module and a comparison processing module. The motor shaft of the stepping motor drives the main gear to rotate, and the light-following rotating seat drives the photovoltaic solar panel and the light-following sensor to rotate through the photovoltaic support, so that the position of the photovoltaic solar panel is adjusted, the strongest light can be vertically irradiated on the photovoltaic solar panel, and the illumination efficiency is improved.

The present invention belongs to the technical field of evaporative condensers, and is particularly an evaporative condenser with multi-stage heat exchange, comprising a shell, an air intake grille is provided on the inner walls of the shell, an evaporative heat exchange coil, a spray component and a precooling heat exchange coil are provided inside the shell, the spray component is located above the evaporative heat exchange coil, the precooling heat exchange coil is located above the spray component, and the precooling heat exchange coil is connected to the evaporative heat exchange coil, and an induced draft fan is provided on the top of the shell. The present invention can scrape and collect impurities attached to the inner wall of the filter cartridge through a scraping and collecting mechanism that moves up and down and rotates, and can make cooling water into a vortex from outside to inside through a recoil mechanism that moves up and down and rotates, and the filter cartridge is recoiled by the vortex, and the impurities flushed down can be collected by the scraping and collecting mechanism, so as to ensure the cleanliness of the circulating water sprayed by the spray component, so that it will not cause clogging of the spray component and will not cause damage to the evaporative heat exchange coil.

The invention discloses an intelligent question and answer method and system based on a mine safety large model. The method comprises the following steps: constructing a vector database based on a mine document data set; obtaining an input user question, and generating a corresponding similar question based on the user question; after the similar questions and the user questions are combined, vectorization processing is carried out, and user question vectors are generated; performing correlation retrieval of the text blocks in a vector database based on the user question vector to obtain a corresponding preliminarily screened text block set; reordering the preliminarily screened text block set to obtain a finely arranged text block set; and inputting the user question and the reordered finely-arranged text block set into a large model for correlation analysis, outputting the text blocks most relevant to the user question, and sorting the text blocks according to similarity to form a data set as a retrieval result. According to the method, related questions are generated on the basis of user questions to cover more possible query intentions and expression modes, so that the accuracy and efficiency of mine risk hidden danger question answering are improved.

The invention relates to the technical field of plastic recovery, in particular to a plastic production redundant waste recovery treatment device which comprises a cleaning box. The cleaning mechanism is used for cleaning the plastic waste; the pretreatment mechanism is used for treating the plastic waste before cleaning; the cleaning mechanism comprises a rotary drum rotationally installed in the cleaning box, a first power source driving the rotary drum to rotate, a rotary plate fixedly connected with the end of the rotary drum, a stirring plate fixedly installed on the rotary drum, a cleaning piece installed on the stirring plate and a flushing assembly for flushing plastic waste. According to the plastic waste cleaning device, through the arrangement of the cleaning mechanism, plastic waste can be stirred, flushed and brushed, so that multiple cleaning of the plastic waste is achieved, the cleanliness of the plastic waste is greatly improved, and the problem that cleaning is not thorough to different degrees in an existing cleaning mode is solved; and the reprocessing quality and the utilization rate of the plastic waste are influenced.

The invention relates to the technical field of planer type milling machines, and discloses a planer type milling machine with an air cooling mechanism, the planer type milling machine comprises a planer type milling machine, the top of the planer type milling machine is provided with a planer type cross beam, the outer wall of the planer type cross beam is slidably connected with a sliding seat, the surface of the sliding seat is provided with a ram, and the outer wall of the ram is fixedly connected with a mounting frame; the top of the mounting frame is fixedly connected with a driving motor; and a circumferential mechanism is arranged at the bottom of the mounting frame. According to the planer type milling machine with the air cooling mechanism, the circumferential mechanism is arranged, so that sprayed air rotationally blows towards a cutting tool bit, the sprayed air rotationally blows around the tool bit, chippings around the tool bit can be effectively helped to be removed, the chippings are pushed outwards through centrifugal force generated by rotating airflow, and the chippings can be effectively removed; by means of the design, it can be guaranteed that a cutting area is kept clean, the cutting efficiency is improved, and the situation that the cutting quality is reduced due to accumulation of the chippings is avoided.

The invention discloses a precise vision coaxial laser cutting machine, and relates to the field of laser cutting machines, the precise vision coaxial laser cutting machine comprises a support and a movable box, the movable box is arranged above the support, an adjusting mechanism is installed on the movable box, and a slag removal mechanism is further installed on the movable box. According to the precise visual coaxial laser cutting machine, an automatic cleaning mechanism is adopted, automatic cleaning of metal slag on a supporting plate can be achieved after machining of a plate is completed, cleanliness of the supporting plate is guaranteed, and specifically, when the position of a movable box is adjusted, a scraper can be synchronously driven to move, and the precision of the laser cutting machine is improved. Through cooperation of the transmission effect between the scraping plate and the rack and the sliding effect between the convex shaft and the sliding groove plate, the scraping plate can automatically reciprocate left and right when moving along with the movable box, thrust can be provided for metal slag on the supporting plate through the reciprocating motion of the scraping plate, the metal slag can conveniently fall off, and the service life of the metal slag is prolonged. And the same position on the supporting plate can be cleaned for multiple times, and the cleaning effect of the supporting plate is guaranteed.

The invention discloses fine-grain high-cleanliness steel for a harmonic reducer flexible gear of an industrial robot and a preparation method, and belongs to the technical field of metallurgy. The steel for the flexible gear comprises the following chemical components in percentage by mass: 0.38 to 0.42 percent of C, 0.20 to 0.30 percent of Si, 0.60 to 0.90 percent of Mn, less than or equal to 0.015 percent of P, less than or equal to 0.010 percent of S, 0.60 to 0.90 percent of Cr, 0.15 to 0.25 percent of Mo, 1.50 to 1.80 percent of Ni, 0.015 to 0.035 percent of Nb, less than or equal to 0.0006 percent of O and the balance of iron and inevitable impurity elements. The production method comprises the working procedures of vacuum induction furnace smelting, electroslag remelting, casting blank forging, bar heating, bar rolling and rolled material cooling. The steel for the flexible gear has fine austenite grains and high cleanliness, and the technical requirements of the steel for the harmonic reducer flexible gear of the industrial robot are met.

The invention relates to the technical field of plastic mold drilling, in particular to plastic mold numerical control precision drilling equipment and a using method thereof.The plastic mold numerical control precision drilling equipment comprises a base, a fixed table is movably installed at the top of the base, a rack is fixedly connected to the top of the base, a movable table is installed on the rack, and a pushing plate is slidably connected to the bottom of the movable table; a collecting assembly and a drilling assembly are arranged on the pushing plate; according to the device, firstly, the area around a drilling point can be comprehensively shielded through the collecting assembly, the same contact surface can be autonomously formed according to the uneven surface of the plastic mold, and the waste intercepting effect is further enhanced; and the drilling assembly is matched, during drilling, instant smashing of filiform plastic waste is achieved, efficient collection and treatment of the waste are achieved, air is blown into the material blocking and collecting barrel, on one hand, negative-pressure material suction is assisted, the waste collecting effect is improved, and on the other hand, synchronous cleaning treatment is achieved when the drill bit rotates and ascends.

The invention discloses a high-stability optical fiber connecting device and a using method, and relates to the technical field of optical fiber communication accessories, the high-stability optical fiber connecting device comprises a connector, plug-in assemblies are installed on the two sides of the connector in a plug-in mode, locking heads are installed on the side edges of the plug-in assemblies in a threaded mode, and the two sides of the connector are connected with optical fibers to be connected. The plug-in assembly and the locking head are movably sleeved on the outer surface of the optical fiber to be connected, the outer surface of the connector is fixedly connected with a protective sleeve, and sealing sleeves are installed on two sides of the protective sleeve in a threaded mode. According to the high-stability optical fiber connecting device and the using method, the fiber cores of the to-be-connected optical fibers are extruded and fixed through the spring pieces, the auxiliary balls move on the two sides, and the two sides of the fiber cores of the to-be-connected optical fibers are fixed, so that the connecting stability of the two to-be-connected optical fibers is kept; the outer surface of the to-be-connected optical fiber is sealed, and the connection part of the to-be-connected optical fiber is kept clean, so that the optical fiber connector can adapt to multiple scenes, is flexible and convenient to disassemble and assemble, and is convenient to maintain and replace.

The invention belongs to the technical field of back contact cells, and particularly relates to a joint passivation back contact cell and a post-texturing preparation method thereof, and the method comprises the steps: S102, sequentially forming a first semiconductor layer and a mask layer on the back surface of a silicon substrate; s103, cleaning and texturing are carried out, so that a texturing surface is formed on the light receiving surface of the silicon substrate, and the maximum height of a pyramid of the texturing surface of the light receiving surface is T1; s104, sequentially forming a passivation layer and an anti-reflection layer on the light receiving surface of the silicon substrate; s105, forming a second semiconductor opening region; s106, cleaning and etching are carried out, and a groove structure is at least formed in the second semiconductor opening region on the back surface of the silicon substrate; and S107, depositing a second semiconductor layer on the back surface, wherein the second semiconductor layer comprises an amorphous passivation layer and a second doped silicon layer. Under the conditions of simplifying the process steps and reducing the material cost, the interface contact resistance of the second semiconductor opening region can be reduced, the minority carrier lifetime is prolonged, and the cell efficiency and the double-sided rate are improved.

The invention relates to the technical field of automobile metal part drilling machining, in particular to an automobile steering knuckle drilling pre-machining machine tool. The automobile steering knuckle machining equipment comprises an installation machine base, a drilling device, a tool clamp and a control system, the drilling device and the tool clamp are installed on the installation machine base and are important components of the equipment, and preprocessing of an automobile steering knuckle is achieved; the control system comprises a hydraulic system, a pneumatic control system, a cutting fluid circulating system, a lubricating system, a chip removal system and an electric control system. The drilling device, the tool clamp, the material pressing device, the control device and other functional components are efficiently matched, the efficiency of automobile steering knuckle drilling pre-machining is remarkably improved, through precise movement of the drilling device, stable fixation of the tool clamp and the material pressing device and continuous lubrication of the lubricating device, high precision of the machining process is guaranteed, and the machining efficiency is improved. The problems of workpiece machining defects, equipment overheating and the like are reduced, and potential safety hazards are reduced.

The utility model discloses a range hood, belongs to the technical field of household appliances, and is designed for solving the problems that oil stains condensed in an area below a panel are exposed after a smoke barrier of the existing range hood is closed, and the like. The utility model discloses a range hood which comprises a smoke collecting cavity assembly, a panel, a smoke baffle and a smoke inlet cavity, and the smoke baffle can open and close the smoke inlet cavity; after the smoke baffle is opened, a non-smoke-inlet area is formed between the smoke baffle and the panel, the range hood further comprises an oil baffle assembly, and the oil baffle assembly can at least partially prevent oil smoke from entering the non-smoke-inlet area. The range hood disclosed by the utility model comprises the oil baffle assembly, so that the amount of oil smoke entering a non-smoke-inlet area can be greatly reduced, oil dirt is prevented from being condensed in an area below the panel, the problem that the oil dirt condensed in the area below the panel is exposed after a smoke baffle of an existing range hood is closed is solved, and the cleanliness of the appearance of the range hood is improved.

The invention discloses an impeller assembly, a pre-filter applying the impeller assembly and a water consuming system, and relates to the technical field of pre-filters, the impeller assembly comprises an impeller body and a mounting seat, the impeller body is provided with a connecting part, and the connecting part is used for being in transmission connection with an outer framework of the pre-filter; the mounting seat is provided with an impeller cavity, the impeller body is rotatably mounted in the impeller cavity, and one axial side of the mounting seat is provided with a first water inlet communicated with the impeller cavity and the outside of the mounting seat; a second water inlet communicated with the impeller cavity and the outside of the mounting seat is formed in the peripheral side of the mounting seat; a water outlet communicated with the impeller cavity and the outside of the mounting seat is formed in the other axial side of the mounting seat; and the water outlet is used for being communicated with a drain outlet of the pre-filter. According to the technical scheme provided by the invention, the flushing efficiency and the drainage efficiency of the pre-filter can be improved; the water flow drives the outer framework to rotate, so that the self-cleaning capability and the filtering effect of the equipment are further improved.

The magnetic suspension motor comprises annular rotors and a stator assembly, the two annular rotors are coaxial and arranged in the vertical direction, the number of magnetic poles of the two annular rotors is the same, the arrangement directions of the magnetic poles of the two annular rotors are the same or opposite, and the relative positions of the two annular rotors are fixed; the two annular rotors are arranged on the outer side of the stator assembly in a sleeving mode, and the stator assembly drives the two annular rotors to suspend and rotate through magnetic force. The axial driving assembly can provide additional axial force for the rotating cylinder, and after the rotating cylinder axially deviates, the rotating cylinder is driven to return to the normal position; the stator assembly is isolated from the outside by the mounting cavity, and the annular rotor is isolated from the outside by the rotating cylinder, so that external media are prevented from being polluted, and the stator assembly and the annular rotor are also prevented from being corroded by the external media.

The invention relates to the field of transmission shafts, in particular to a transmission shaft support assembly, a transmission shaft assembly and a vehicle. The transmission shaft support assembly comprises a supporting unit and a cushioning unit. The supporting unit comprises a supporting base, a blocking plate and a reinforcing drainage plate. The supporting seat is arc-shaped, and the inner circumferential surface of the supporting seat is an arc-shaped avoiding surface. The blocking plate protrudes out of the arc-shaped receding face. The reinforcing drainage plate is in a concave shape relative to the arc-shaped receding face. And a plurality of through holes are formed in the arc-shaped avoiding surface. The cushioning unit comprises an elastic bushing and a rigid hoop. The rigid hoop is arranged on the outer side of the elastic lining in a sleeving mode. And the rigid hoop is detachably connected with the supporting seat. And a buffer space is formed between the rigid hoop and the arc-shaped avoiding surface. The transmission shaft assembly comprises a transmission shaft support assembly. A vehicle includes a driveshaft assembly. The problem that too much silt is accumulated on the transmission shaft support assembly can be solved.

The invention provides an air compressor with a filter element cleaning system, and relates to the field of air compressors. The air compressor with the filter element cleaning system comprises a bottom plate and an air compressor body fixedly connected to the upper side of the bottom plate, a connecting rod is arranged on the upper side of the bottom plate, a filter cylinder is fixedly connected to the upper end of the connecting rod, a filter element body and a cleaning unit are arranged on the inner side of the filter cylinder, and a switch is fixedly connected to the upper side of the filter cylinder. The outer side of the filter cylinder is fixedly connected with a connecting platform, and an air inlet pipe is fixedly connected between the filter cylinder and the air compressor body. By arranging the filter cartridge, the filter element main body, the annular box, the annular pipe, the absorption pipe, the air suction pipe, the filter box, the air suction box, a vertical plate, a top ring, a moving rod, a moving ring and an elastic scraper, the elastic scraper on the moving ring can conveniently scrape dust on the surface of the filter element main body, and the scraped dust is absorbed through the annular pipe and the absorption pipe; the dust cleaning effect on the filter element main body is improved.

The invention discloses a visual detection device for adhesive label paper production, and relates to the technical field of label paper visual detection, the visual detection device comprises a detection table and further comprises a leveling device, a winding device is arranged at the top of the detection table, a maintenance frame is fixedly installed at the top of the detection table, and visual detection equipment fixedly penetrates through the top of the maintenance frame; a driving plate is fixedly mounted at the top of the detection table, a servo motor is fixedly mounted on the front side of the driving plate, a placement frame is fixedly mounted at the top of the detection table, a rotating motor is rotatably mounted on the rear side of the placement frame, and light supplementing equipment is fixedly mounted at the output end of the rotating motor; the correcting rod moves in the direction close to the label paper to drive the correcting frame to move to correct the position of the label paper to be detected, it is ensured that the label paper is located at the correct center position during detection through position correction, the image capturing accuracy is improved, and the rejection rate caused by misjudgment is further reduced.

The invention discloses an air curtain laser failure prevention device for an aluminum-lithium alloy, and relates to the technical field of aluminum-lithium alloy ingots. The air curtain laser failure prevention device comprises a glass sheet located right in front of the laser range finder, a glass upper cover plate arranged on the side face, close to the laser range finder, of the glass sheet, a glass lower cover plate arranged on the side face, away from the laser range finder, of the glass sheet and a ventilation pipeline arranged on the side portion of the glass lower cover plate, and the ventilation pipeline is used for outputting inert gas. The side face, away from the laser range finder, of the glass sheet is purged, and an inert gas protection layer is formed. The inert gas is introduced into the ventilation pipeline at one side of the glass lower cover plate below the laser irradiation glass, and the lower part of the glass sheet is continuously purged, so that an inert gas protection air curtain is formed below the glass sheet, dust and the like can be effectively prevented from being attached to the upper glass sheet, the glass is kept clean, the laser failure is prevented, and the service life of the glass sheet is prolonged. And meanwhile, aluminum alloy oxidation of the launder can be reduced or even avoided through introduction of inert gas, and the ingot casting efficiency is improved.

The invention discloses a clothes smudginess data acquisition method, a washing method and washing and care equipment, smudginess degree information of clothes is acquired and compared with a preset value, smudginess level of the clothes is judged, and then material information and thermal imaging information of the clothes are acquired. And a smudginess data module for integrating the smudginess degree information and the smudginess level of the clothes into the clothes. According to the invention, the smudginess data module of the clothes is transmitted to the intelligent equipment of the user, so that the user can intuitively know the smudginess degree of the clothes; according to the smudginess grade of the clothes and / or the color of the smudginess area and / or the material information of the clothes, the putting proportion of the corresponding detergent and the washing strength of the washing and care equipment are obtained, the cleanliness of the clothes is improved, and the detergent and water resources are saved; and the condition that the clothes are excessively worn or cannot be washed cleanly in the washing process of the washing and caring equipment is avoided.

The invention discloses a ventilation and air exchange device for a green building. The ventilation and air exchange device comprises a ventilation and air exchange box, a mounting plate, a ventilation and air exchange opening, a rotary air disc and fan blades. Mounting plates are fixed to the two ends of the two sides of the ventilation box, fixing pins penetrate through the interiors of the mounting plates, one ends of the fixing pins extend into the green building wall, and ventilation ports are formed in the two ends of the outer side of the ventilation box. According to the ventilation device for the green building, a fan motor is used for driving a linkage shaft to rotate, and a transmission assembly is matched to enable a fan shaft to rotate synchronously, so that two rotating wind discs and a plurality of fan blades are driven to rotate, outdoor fresh air is extracted and fed into the green building, and the ventilation effect is improved. According to the indoor air purification device, vitiated air, harmful gas and microorganisms in a building can be effectively diluted and discharged, so that the indoor air quality is improved, a healthier and more comfortable living environment is provided for people, indoor oxygen can be effectively supplemented, and the freshness and vitality of indoor air are kept.

The invention discloses a steel structure welding device and method for hull structure construction, and particularly relates to the technical field of welding, the steel structure welding device for hull structure construction comprises a walking unit and an annular outer gear ring, the annular outer gear ring is concentrically arranged outside the walking unit in a sleeving mode to complete welding guiding, and a welding arm is movably arranged on the annular outer gear ring. Following switching of the welding unit and the processing unit is completed through dynamic sensing of the sensing mechanism, so that the welding unit and the processing unit can rapidly move to the preset position of a machining area, repeated debugging is avoided, meanwhile, the purification mechanism can complete active limitation at the limiting position in the switching process of the welding unit and the processing unit, and the welding efficiency is improved. And by means of the design of the control piece, follow-up opening and closing can be completed with the welding unit and the processing unit, the purification precision is guaranteed, meanwhile, the processing unit in the running state can complete the active cleaning action of the processing unit, and the good cleaning state is guaranteed.