13results about How to "Prevent overspray" patented technology

The invention discloses a steel structure painting device which comprises two conveying mechanisms arranged in parallel and a spraying mechanism erected over the two conveying mechanisms. The conveying mechanism comprises two slideways arranged in parallel, the top of each slideway is rotatably connected with a plurality of conveying rollers at equal intervals in the length direction of the slideway, two movable frames capable of reciprocating in the length direction of the beam frames are arranged between the upper ends and the lower ends of the two beam frames respectively, and each movable frame is fixedly provided with a spray gun set; the spray gun set is composed of a plurality of spray guns arranged side by side, spray heads of all the spray guns face the middle area of the top end between the two conveying mechanisms, a servo motor drives a transmission gear and a chain, synchronous reciprocating motion of the two movable frames is achieved, and the height of the U-shaped tray is adjusted in cooperation with an air cylinder. The spray gun group can move in a large range along the beam frame and dynamically adjust the spraying distance with the workpiece to cover the whole area of the surface of the steel structure, so that spraying leakage or excessive spraying is avoided, and the coating uniformity and the painting efficiency are remarkably improved.

The application discloses an intelligent imaging generation system and method, which realizes closed-loop control of spraying quality by real-time linkage adjustment of spraying mechanical arm and imaging equipment parameters through a dynamic parameter adjustment module, and combines a defect prediction and optimization decision module and a multi-modal process knowledge base. The system integrates a high-resolution visual sensor, a capacitive thickness detector and a temperature and humidity sensor, fuses multi-source data by using a Kalman filtering algorithm, and dynamically adjusts the speed of the mechanical arm, the nozzle pressure and the imaging gain coefficient. The defect prediction module simulates coating defect morphology based on a physically constrained generative adversarial network and generates a process optimization instruction set through reinforcement learning. The multi-modal process knowledge base stores an associated model of material characteristics, environmental data and defect patterns, supports incremental learning and historical data decay update. Through dynamic parameter collaborative optimization, defect prediction prepositioning and multi-modal data fusion, the spraying quality detection efficiency and coating consistency are improved, and the rework rate is reduced.

The invention discloses a method for optimizing the painting path of an automated painting robot, which relates to the field of automation technology, and comprises the following steps: obtaining a three-dimensional geometric model of a hull through a laser scanning device, and performing curvature analysis to generate partition data of curvature information of each hull area; performing preliminary path planning according to the partition data to obtain a preliminary painting path; executing a painting task based on the preliminary painting path, and detecting coating thickness data of the painting area in real time; correcting the preliminary painting path in real time according to the detected coating thickness data to generate a new painting path; detecting the paint coverage rate of the painting area in real time, judging the coverage uniformity of the painting area, and marking the unevenly covered painting area; adjusting the painting path again through the coverage rate detection data to generate a corrected final painting path, and using the final painting path to execute the painting task on the next hull; adjusting the painting path in real time to make the painting process more flexible and efficient, and improve the stability of the painting quality.

The utility model relates to a multi-stage precise ammonia spraying and denitration integrated system of a cement kiln. The multi-stage precise ammonia spraying and denitration integrated system comprises a rotary kiln head, a rotary kiln, a rotary kiln tail smoke chamber and a kiln tail decomposing furnace which are connected in sequence, the C5 preheating furnace is connected with a smoke chamber at the tail of the rotary kiln, the C5 preheating furnace is sequentially connected with a C4 preheating furnace, a C3 preheating furnace, a C2 preheating furnace and a C1 preheating furnace, a plurality of combustion temperature measuring points and carbon monoxide measuring points are arranged around the core position of nitrogen oxide generation and emission in the C5 preheating furnace, and a first ammonia spraying site is arranged at the position, close to a flue, of the upper half part of a furnace body of the C5 preheating furnace. And a second ammonia spraying site is arranged in an outlet flue of the C5 preheating furnace. According to the multi-stage ammonia spraying device, the spraying amount of a denitration reducing agent is flexibly adjusted according to flue gas conditions fed back by measuring points through the multi-stage ammonia spraying sites and the matched ammonia spraying adjusting device, so that the reaction is carried out in the most efficient interval, the denitration efficiency is improved, and the denitration operation cost is reduced. The utility model is particularly suitable for simply transforming the existing equipment to realize the best environment-friendly effect.

The invention belongs to the technical field of airplane coating repairing, and particularly relates to an airplane coating precision repairing method based on 3D visual data, which comprises the following steps: shooting a workpiece needing coating repairing to obtain an RGB image, and converting the RGB image into a point cloud picture; after the point cloud picture is processed, a 3D model of a workpiece needing coating repairing is obtained, spraying distance parameters are set, a robot track is generated, path simulation is conducted on the track, if simulation is free of interference, an online laser scanner is arranged to run according to the robot track, secondary detection and positioning are conducted on the surface of the workpiece needing coating repairing, and then the workpiece needing coating repairing is obtained. Acquiring spatial position data of a to-be-restored area; the industrial personal computer generates a robot path middle point according to the spatial position data of the area needing to be sprayed and associates the robot path middle point to an I / O control instruction of the robot; spraying parameters are input into the robot, after a robot motion program is generated, the complete robot track is simulated again, and if simulation is free of interference, the complete robot track is imported into a robot controller to execute spraying.

This invention discloses an adaptive control method and system for nebulized flow rate based on respiratory rate detection, relating to the field of medical device nebulization control technology. The method includes: acquiring and filtering upstream and downstream pressure sequences of the nebulization path; calculating a differential pressure short-circuit index and generating an event flag based on the degree of synchronization fluctuation and differential pressure amplitude of the two sequences; determining a respiratory rate estimation signal and calculating the respiratory rate based on the flag; generating a baseline nebulized flow rate based on the respiratory rate and correcting it with the differential pressure short-circuit index to obtain the target nebulized flow rate; and finally determining the nebulization execution amount. This invention enables adaptive and conservative adjustment of the nebulized flow rate, improving delivery stability.

The utility model relates to the field of plant growth management, in particular to a uniform spraying device for main branches of a growth regulator. The utility model provides a device for uniformly spraying a growth regulator on main branches, which can uniformly spray the growth regulator, avoid excessive or insufficient local spraying of the main branches and promote healthy development of plants. A growth regulator main branch uniform spraying device comprises a mounting frame, rotating frames and the like, and the left portion of the mounting frame is rotationally connected with the front rotating frame and the rear rotating frame. According to the device, the rotating frame rotates inwards, so that the rotating frame surrounds the main branches, growth regulators are sprayed out of the nozzles on the hoses through the flow dividing pipes, the supporting rods can be held to move up and down while the growth regulators are sprayed to the main branches, the growth regulators can be uniformly sprayed, and the growth regulators are prevented from being damaged. Excessive or insufficient local spraying of the main branches is avoided, and healthy development of plants is promoted.

The utility model discloses a fine environment-friendly automatic spraying machine which comprises a connecting pipe fixed to the lower portion of the interior of spraying equipment, and a fixing pipe is fixed to the left end of the interior of the spraying equipment. The hoses are connected to the upper side and the lower side of the right end of the fixing pipe, the spray head is fixed to the right end of the upper hose, and the lower hose and the upper end of the connecting pipe are installed together; the electronic spray gun is arranged in the connecting pipe; the placement plate is rotationally connected into the spraying equipment, a fine mechanism is arranged at the lower end of the interior of the placement plate, the electronic spray guns are controlled by changing the distance, waste of sprayed paint can be reduced, and the environment-friendly function is achieved. According to the fine environment-friendly automatic spraying machine, the electronic sensor controls the electronic spraying gun to be opened and closed, manual control over the electronic spraying gun is not needed, time difference is avoided, excessive spraying is avoided, the purpose of fine coating is achieved, waste of coating is reduced, resource waste is reduced, and then VOCS emission and power consumption are reduced.

The application discloses a kind of construction dust suppression device based on wind direction self-adaptive adjustment, belong to construction environmental protection equipment technical field.The device includes drive chassis, bearing plate, dust removal component and main control machine box, wherein main control machine box is equipped with intelligent control system, wind direction information is collected in real time by wind direction inductor, and by main control unit, it is cooperatively controlled to adjust direction motor, hydraulic cylinder and liquid pump, so that spraying direction and liquid injection volume can be automatically adjusted along with wind direction.The present application is provided with multistage spraying structure and adjustable dust removal component, realizes the accurate inhibition to construction dust, and improves the spraying efficiency and resource utilization rate by combining with intelligent control system, with the advantages of high degree of automation, strong adaptability, energy saving and environmental protection, suitable for various construction site dust control.

This utility model relates to the field of sheet metal spraying and discloses a sheet metal spraying device, including a spraying table and a sheet metal part. Two load-bearing plates are symmetrically arranged on the upper surface of the spraying table. A fixing mechanism for fixing the sheet metal part is provided on one side of the two load-bearing plates opposite to each other. A common top plate is provided above the two load-bearing plates, and a spraying mechanism for spraying paint is provided on the upper surface of the top plate. The fixing mechanism includes a rotating shaft located on one side of the two load-bearing plates opposite to each other. This utility model, through multiple connecting parts, allows the sheet metal part to be fixed to a square frame on all four sides, providing a stable clamping effect. Furthermore, the cooperation between the motor and the rotating shaft allows the sheet metal part to be sprayed on one side and then flipped over for spraying on the other side. This not only facilitates the installation of the sheet metal part but also achieves automated double-sided spraying of the sheet metal part without manual intervention, significantly improving spraying efficiency.

The invention provides an electro-hydraulic control intelligent spraying method and device for a coal mine goaf stopping agent, and belongs to the technical field of coal mine fire prevention. The problem that at present, the underground inhibitor spraying effect is poor or spraying time is not timely is solved. A stopping agent spraying device is additionally arranged on the basis of an existing hydraulic support electro-hydraulic control device, stopping agent spraying control is carried out through the hydraulic support electro-hydraulic control device, and stopping agent spraying operation of a single support, multiple supports and a group can be carried out according to a program; the problem of spontaneous combustion of the residual coal in the goaf can be solved, accurate and intelligent spraying of the inhibitor after frame moving is achieved through the electro-hydraulic control technology, and the risk of fire outbreak of the residual coal in the coal mine goaf is effectively prevented.

The invention relates to a barrel type foundation structure anticorrosive coating thickness control method and device considering a multi-factor coupling effect and a medium. The method comprises the steps that S1, a coating dry film thickness prediction model is constructed based on a simulation data set and a historical data set; s2, acquiring a real-time environment wind speed and a spraying distance, and querying based on a pre-configured response surface database to obtain a reference spraying pressure and a reference nozzle walking speed; s3, on the basis of the coating dry film thickness prediction model, a spraying pressure correction sequence and a nozzle walking speed correction sequence are obtained by minimizing film thickness control deviation and fluctuation targets of spraying pressure and nozzle walking speed in a period of time in the future; and S4, respectively superposing to the corresponding reference spraying pressure and the reference nozzle walking speed to obtain the target spraying pressure and the target nozzle walking speed. Compared with the prior art, the method has the advantages that the film thickness prediction precision under variable working conditions is improved, and accurate closed-loop control of the coating thickness is realized.

The invention discloses a method for detecting the film thickness and uniformity of a plasma spraying coating film. The method comprises the following steps: determining the plasma spraying coating film needing to be detected; detecting the thickness and the uniformity of the plasma spraying coating film; comprehensively evaluating the thickness and uniformity of the film layer; according to the invention, the quality and performance of the coating can be ensured by detecting the thickness and uniformity of the coating. If the film thickness is not uniform, the local performance is possibly reduced, and the overall performance and the service life of the product are influenced; and the detection result can be fed back to the production process, the optimization of the process parameters is facilitated, and the production efficiency and the product quality are improved. For example, the uniformity of the film thickness can be improved by adjusting parameters such as plasma spraying power, gas flow and the like; the situation of excessive spraying or insufficient spraying can be avoided through accurate film thickness and uniformity detection, so that the material waste is reduced, and the cost is reduced; and specific application requirements are met: in some applications.