2919 results about "Sprayer" patented technology

The invention discloses a photocuring 3D printing mechanism method for multi-material cooperative spraying, and relates to the field of cooperative control, and the photocuring 3D printing mechanism method comprises the following steps: layering a model, generating a material distribution map, and labeling a functional area and a transition area; a multi-nozzle array is used for accurately positioning and spraying according to the atlas; a gradual change path is planned in the transition area, and gradient change of material components is achieved through cooperative spraying; a partition curing strategy is adopted, ultraviolet light full curing and visible light semi-curing are adopted, and leveling is promoted in combination with micro-vibration; spraying a penetrating agent between layers to form a mechanical interlocking enhanced interface; based on visual online defect detection, printing parameters are fed back and adjusted in real time through a CNN model. The device and the method have the advantages that accurate mixing of multiple materials is realized through cooperative spraying of the multiple piezoelectric sprayers and gradual change path planning, and real-time defect detection and correction can be realized by matching with differentiated photocuring, high-frequency micro-vibration leveling and interlayer penetrating agent interlocking, so that high-precision multi-material functional component forming is efficiently completed.

The invention discloses a conveying device for detecting the protruding height of an oil injector, and relates to the technical field of oil injector detection. Wherein the conveying piece comprises a rolling shaft and an anti-skid sleeve which are connected in a sleeved mode, the roughness of the surfaces of the rolling shaft and the anti-skid sleeve is different, and the rolling shaft is driven by a motor to rotate. According to the conveying device for detecting the protruding height of the oil sprayer, the rolling shaft and the anti-skid sleeve which are connected in a sleeving mode are adopted, the roughness of the surface of the anti-skid sleeve is increased, and therefore the roughness of the device is changed according to needs, and the problem that when an existing conveying device for detecting the oil sprayer is used, the height of the oil sprayer is too large is effectively solved. The technical problem that the roughness of the conveying belt cannot be freely adjusted according to needs is solved, the purpose of freely adjusting the surface roughness of the conveying device is achieved, the surface roughness of the conveying device can be adjusted according to the machining condition of the air cylinder cover, various machining requirements are met, and the applicability of the device is improved.

A valve structure A of an accumulator sprayer X provided with a cylinder body portion B having a main cylinder portion B1 and a sub-cylinder portion B2, and a cover portion C that is attached to cover the cylinder body portion B, wherein; the accumulator sprayer X sucks up liquid in a container J through a first valve FV to the main cylinder portion B1, pressurizes the liquid and spraying the liquid from a nozzle portion F when the pressure of the liquid reaches a certain pressure; and the valve structure A comprises a spring portion and a valve piston portion, wherein the valve piston portion is provided with a spring attaching portion, the spring portion is attached to the spring attaching portion, the spring portion presses the valve piston portion in vertical direction, and the spring portion has higher rigidity than the valve piston portion.

A spraying system that includes at least one camera to determine for at least one nozzle spray angle, average of spray angle, standard deviation of spray angle, relative pressure, absolute pressure, relative flow rate, absolute flow rate, percent plugged, and / or spray pattern uniformity / variability of the spray from the at least one nozzle.

The invention belongs to the technical field of spraying devices, and particularly relates to the technical field of coating spraying devices for controlling spraying areas, in particular to a spraying device for an automobile trim panel and a spraying process of the spraying device. The device comprises an operation table, at least one spraying box is arranged on the upper end face of the operation table, and a sprayer is arranged in the spraying box; the conveying chain is provided with a plurality of loading tables, and matched gears are mounted on the loading tables; the rotating chain is arranged in the spraying box; a vertical rod is arranged on the loading table in the height direction; a plurality of lifting columns are uniformly arranged in the circumferential direction of the vertical rod; a plurality of push rods are evenly arranged in the matching gear in the circumferential direction, and the outer side ends of the push rods protrude out of the tooth root of the matching gear in the radial direction. By arranging the push rod and the lifting column, the workpiece can be lifted through the lifting column to spray the edge of the bottom of the workpiece while the push rod and the lifting column are matched with the gear to rotate, different supporting points are switched by switching different lifting columns, and it is ensured that the contact part of each lifting column can also be fully sprayed with paint after the workpiece is pushed by the lifting columns.

The invention relates to the technical field of metal surface heat treatment, and discloses a fixed inductor for high-speed rail axle surface induction quenching, which comprises a busbar, a fixed plate, a cooling water sprayer and an effective geometry heating ring, the busbar is used for fixing the effective geometry heating ring and forms an electrifying passage and a water passing passage with the effective geometry heating ring with the hollow structure; the effective geometric body heating ring comprises three sections of straight section induction pipe bodies with different lengths and two sections of arc induction annular bodies, the straight section induction pipe bodies are arranged according to the lengths D1, D2 and D3, the straight pipe section D1 and the straight pipe section D2 are in arc transition through an R1, the straight pipe section D2 and the straight pipe section D3 are in arc transition through an R2, and the three straight pipe sections are parallel to one another and progressive inwards layer by layer; and the radians of the two sections of arc induction annular bodies are 90 degrees. According to the invention, one-time and global synchronous induction heating can be carried out on multiple sections of shaft necks and transition R-angle areas with complex geometrical shapes and obvious stress concentration at the two ends of the axle.

A system and method for generating a guidance path for automated navigation of large agricultural equipment. Vehicle path data from leading vehicles can be recorded, stored or inputted into the system for generation of guidance paths offset from the swaths traversed by the leading vehicle. Combines, planters sprayers and other vehicles utilizing guidance system can be used to record leading vehicle data for use by the following vehicle in real time or in subsequent cycles. Enterprise systems can manage multiple grain carts and / or combines or other vehicles to maximize efficiency.

The invention provides an arrangement method of an excavator spraying and dust falling device and the dust falling device, and relates to the technical field of excavators. The method comprises the following steps: determining a bucket and a required spraying range around the bucket; determining a nozzle mounting reference position; according to the transverse length and the longitudinal length of the spraying range, the number of transverse each row of sprayers and the number of longitudinal each column of sprayers are calculated by combining the effective spraying area of the single sprayers; calculating an included angle between a transverse nozzle and the horizontal direction and an included angle between a longitudinal nozzle and the vertical direction according to the distances from the highest point, the lowest point and the farthest point of the spraying range to the nozzle mounting position; and installing the nozzles according to the calculated number and angle of the nozzles, and controlling the nozzles to spray to form a water curtain covering the spraying range. In the operation process of the excavator, spraying and dust falling are carried out at the same time, the excavator bucket can be cooled, dust generated in the excavation process can also be treated, efficiency is high, cost is low, the spraying water amount is small, accumulated water cannot be generated, and operation safety and operation efficiency are guaranteed.

The invention provides an intelligent control method and system for a full-automatic coating line of automobile parts, and relates to the field of control systems. The method comprises the following steps: acquiring three-dimensional point cloud data of an automobile part; based on the three-dimensional point cloud data, determining a high-complexity area on the surface of the automobile part as an area to be coated; calculating a covariance matrix of a normal vector in the to-be-coated area by adopting a principal component analysis algorithm, and extracting a principal direction feature vector through the covariance matrix; determining a rotation coordinate value of the rotation axis based on the main direction feature vector; and the sprayer is controlled to move to the autorotation coordinate value, and the automobile parts are coated. By the adoption of the technical scheme, when the surfaces of the automobile parts with different geometrical characteristics are sprayed, the geometrical characteristics of the automobile parts are combined, the rotation coordinate values are determined, when the sprayer is located at the rotation coordinate values, the uniform pattern layer can be completely sprayed to the surfaces of the automobile parts as much as possible, and the spraying effect is guaranteed.

A 48-volt electric sprayer machine including a plurality of blowers, each configured to produce an airflow; a plurality of nebuliser nozzles, each to deliver a nebulised product in the airflow produced by the blowers; an electric pump connected to the nozzles and supplies a flow of product to the nebulisers. Each blower is equipped with an electronic controller, connected to the electric motor and configured to control the actuation of the electric motor. Each nebuliser nozzle is equipped with a control solenoid valve, adapted to control the delivery of product. The pump is equipped with an electronic controller; the controllers of the blowers, the control solenoid valves and the controller of the pump are connected with digital transmission to an electronic control unit to control the independent actuation of each thereof, as a function of the conditions of use of the sprayer machine.

A system and method combines photometric crop surveillance with a ground-mounted directional, variable-flow sprayer that compensates for wind to enable selective, per-patch application of water, fertilizer, or crop-protection products. Photometric imagery is processed to produce georeferenced treatment targets and recommended application quantities. Wind-field estimations and local wind-sensing are used to compute aim offsets, droplet size, and flow / dwell and shielding parameters that compensate for advection and turbulence. The system commands a sprayer with aimable nozzles and proportional flow control with per-target, wind-compensated parameters to selectively treat sub-areas at different doses, while minimizing drift. Follow-up photometric verification and logged wind telemetry enable closed-loop learning of drift / advection models.

The invention relates to the technical field of non-ferrous metal dust treatment, and provides a pneumatic cyclone tower for explosive aluminum magnesium dust treatment and a dust removal method of the pneumatic cyclone tower. The spraying tower is fixedly mounted at the top of the base, and the inner wall of the center of the spraying tower is rotationally connected with a long rod; the windmill blades are fixedly mounted at the top end of the long rod, and a water sprayer is fixedly mounted on the inner wall of the spray tower. The motor drives the long rod to drive the windmill blades to rotate, the windmill blades are matched with the water sprayer to form spiral rotating airflow, and the collision fusion efficiency of dust and liquid drops is improved; the long rod synchronously drives the scraping plate to scrape dust accumulated on the tower wall, multi-stage filtration is achieved in cooperation with the filter screen, and waste water is recycled through the water return pipeline. The scheme solves the problems that existing equipment is low in dust removal efficiency and difficult to clean, and has the advantages of being efficient, low in energy consumption and easy to maintain.

An extinguishing system comprises: —at least one extinguishing agent sprayer (8) that is able to be rotated about a mounting axis (19) and is able to be pivoted about a pivot axis by means of at least one motor and is connected to an extinguishing agent line in order to be supplied with extinguishing agent, —at least one camera (7) that is able to be rotated at least about a mounting axis (17) by means of at least one motor (20), —an electronic controller (10) that comprises at least one storage unit (12) in which at least geometric basic data of the relevant area and / or data of the extinguishing agent sprayer (8) are stored so as to be able to be read, and a computer module (13) for data processing, —an input device, connected to the controller (10), for inputting data and / or for controlling the extinguishing agent sprayer (8) and the camera (7) and—a screen, connected to the controller (10), for displaying images from the camera (7). The mounting axis (17) of the camera (7) and the mounting axis (19) of the extinguishing agent sprayer (8) are oriented parallel to one another, and the optical axis (21) of the camera (7) is oriented at a defined starting angle with respect to the mounting axis (17), wherein the starting angle is stored in the storage unit (12).

The invention discloses a water-saving type cleaning robot based on visual analysis, and relates to the cleaning robot technology, the water-saving type cleaning robot comprises a protective shell and a bearing bottom plate which form a robot body, and the protective shell is fixedly mounted on the top surface of the bearing bottom plate; sweeping rotating brushes are rotationally arranged on the left side and the right side of the front side of the bottom surface of the bearing bottom plate through bearings; wherein a visual analyzer is arranged above the front surface of the protective shell; a circulating mechanism is arranged behind the top face of the bearing bottom plate and comprises a circulating base. According to the water-saving type cleaning robot based on visual analysis, the supply water tank in the robot body assists the atomization sprayer to form a three-dimensional dust suppression and dust falling area, so that after wet dust is collected more efficiently, separated spraying water flows back to the circulating mechanism again after being treated, and the dust suppression and dust falling efficiency is improved. A complete, efficient and self-adaptive dust suppression closed-loop system is formed, and the balance between the optimal dust suppression effect and the lowest energy consumption and water consumption is achieved.

The invention discloses an efficient egg box glue spraying and labeling machine which comprises a conveying frame, a discharging mechanism, a glue spraying mechanism, a labeling mechanism, a pressing mechanism and a stacking mechanism, and the discharging mechanism, the glue spraying mechanism, the labeling mechanism, the pressing mechanism and the stacking mechanism are sequentially arranged on the conveying frame in the egg box conveying direction. The discharging mechanism, the labeling mechanism and the stacking mechanism each comprise a rack, a lifter and a swing manipulator, a plurality of storage racks are arranged on the racks, the lifters are arranged on the lower portions of the racks, the output ends of the lifters are connected with the swing manipulators, and the output ends of the lifters are connected with the storage racks. A lifter of the discharging mechanism drives the swing mechanical arm to place egg boxes of a plurality of storage frames on a conveyor. The glue spraying mechanism comprises a mounting frame and a glue sprayer. According to the efficient egg box glue spraying and labeling machine, the overall structure is more compact and integrated, the procedures of discharging, glue spraying, labeling, pressing and stacking of egg boxes can be automatically completed, and then the packaging and processing efficiency of the egg boxes is improved.

The present application relates to a high-roughness surface treatment method for a braking steel backing, and belongs to the technical field of surface treatment of braking steel backings. The method comprises the following operation steps: step one, placing onto a feeding table a braking steel backing to be processed, and conveying the braking steel backing by means of a conveyor belt so as to perform processing; step two, in an HRT polishing assembly, sequentially passing the steel backing through an ordinary belt sander, a forward planetary gear, a reverse planetary gear and an HRT belt sander to complete the processes of surface roughness treatment and deburring; step three, in a cleaning and rust-proofing assembly, removing processing residues and a saponification liquid from the surface of the braking steel backing by means of a rough cleaning sprayer, and then an air knife I blowing off a cleaning liquid and metal residues; step four, using a rust-proofing sprayer to spray a rust-proofing liquid, and then performing double air cutting; and step five, placing the braking steel backing which has been subjected to surface treatment into a material box for standby storage. By means of treating the surface of the braking steel backing bonded with a friction material, the effects of more stable quality and high-roughness mating surfaces are achieved.

The utility model discloses a wood-plastic plate cutting dust removal device which comprises a cutting bin, a dust collection pipeline and a filtering assembly. A cutting area is arranged in the cutting bin, and a positive pressure fan is arranged at the top of the cutting bin and can supply air into the cutting area. The dust collecting pipeline communicates with the lower end of the cutting bin and can collect dust blown off from the cutting area; the filtering assembly is arranged at the lower end of the dust collection pipeline and comprises a treatment pipeline and a treatment pond, and a high-pressure sprayer is arranged in the treatment pipeline, can spray towards the lower end of the treatment pipeline and is matched with a positive-pressure fan to form directional airflow from top to bottom so as to directionally discharge dust into the treatment pond. The cutting bin and the dust collecting pipeline are arranged to form a cutting area isolated from the outside, and the positive pressure fan and the high-pressure sprayer form directional airflow from top to bottom in the cutting bin, so that dust generated by cutting is conveyed downwards to the processing pipeline through the dust collecting pipeline to be sprayed. And stable collection of cutting dust is achieved.

Technologies for generating sprayer routes based on corresponding seeder routes. In some embodiments, a method includes receiving, by a computing system, predetermined sprayer wayline information. The predetermined sprayer wayline information includes predetermined waylines for a sprayer to be operated in a field. The method also including receiving, by the computing system, seeder location information. The seeder location information includes locations of a seeder moving and operating within the field at regular intervals of time. And the method also including using, by the computing system, the received information as two separate inputs for a model to generate sprayer route information for the field.

Disclosed is an oil spray bottle, including an oil storage container, a shroud shell and an oil pumping module. In order to facilitate the pouring of oil into the oil storage container, the oil storage container is designed to be capable of being detached from the oil pumping module, the oil storage container is in threaded connection with the oil pumping module, that is, an external thread is formed at an opening of the oil storage container, and an inner thread is formed on an inner wall of the oil pumping module; and in order to hide the oil pumping module, improve its aesthetics and enable a user to hold the oil spray bottle easily, the shroud shell is fixed to an outside of the oil pumping module.

The invention relates to an automatic pipe inserting and cutting integrated assembling machine for a sprayer. The automatic pipe inserting and cutting integrated assembling machine comprises a positioning unit, a liquid spraying pipe inserting unit and a punching unit. On one hand, through the arrangement of the correction channel, reset of the deformed liquid spraying pipe can be corrected, meanwhile, the liquid spraying pipe is synchronously deformed and reset along with automatic position complementing after punching, the defect that alignment insertion cannot be achieved due to deformation of the liquid spraying pipe is overcome, and necessary conditions are provided for high-quality insertion of the liquid spraying pipe; on the other hand, on the basis that the inserting end of the liquid spraying pipe protrudes out, the inserting end of the sleeve is separated from the step part, so that inserting is carried out under the enhancement assistance of the inserting end of the sleeve, inserting is in place, the liquid spraying pipe cannot be dragged down when the inserting end of the sleeve falls back, meanwhile, the liquid spraying pipe is further straightened in the falling-back process of the correction channel, and the correction accuracy of the liquid spraying pipe is improved. And therefore, the uniformity of the assembling length of the liquid spraying pipe is improved.

The invention discloses a conveying mechanism for butyl sealant cutting, and relates to the butyl sealant conveying technology, the conveying mechanism comprises a conveying rack and a cutting carrying table arranged at the right end of the conveying rack, and a discharging conveyor is arranged at the right end of the cutting carrying table; a conveying mechanism is arranged in the conveying rack, and the conveying mechanism comprises a conveying crawler belt; wherein the butyl sealant is placed on the upper surface of the conveying crawler belt and is adsorbed and positioned through the negative pressure positioning holes during rotation; a dust removal mechanism is arranged at the left end of the conveying rack and comprises a dust removal brush roller. According to the conveying mechanism for cutting the butyl sealant, the butyl sealant is calibrated and positioned through the conveying mechanism, dust collection is assisted, the situation that subsequent use is affected by adhesion of the butyl sealant is avoided, meanwhile, after cutting is conducted through the cutting mechanism, the butyl sealant is separated from a cutting tool through an anti-adhesion spraying device, and the cutting tool is used for cutting the butyl sealant. And subsequent cutting is prevented from being affected by adhesion.

The invention discloses an intelligent concrete water spraying maintenance system and method based on geotechnical cloth visual inspection, and the system comprises a visual monitoring subsystem which is used for collecting image data of geotechnical cloth covering the surface of concrete; the image recognition subsystem is used for preprocessing the image data and generating moisture content distribution data; the control decision subsystem is used for dividing panel sub-areas according to the coverage range of the water sprayers, identifying to-be-maintained areas with the water content lower than a threshold value, matching the corresponding water sprayers and generating control instructions; the water spraying execution subsystem is used for executing water spraying operation through adjustable equipment; and the closed-loop evaluation subsystem is used for re-measuring the moisture content for evaluation through the visual monitoring subsystem and the image recognition subsystem after the water spraying operation is executed, and optimizing a control instruction according to an evaluation result. Accurate sensing of the moisture content of the geotechnical cloth on the concrete surface and on-demand water spraying are achieved, water resources and labor cost are greatly saved, and the curing uniformity is improved so as to reduce the early crack risk of the concrete.

The invention discloses an organic working medium turbine axial force supporting component which comprises a hydraulic thrust disc, thrust pads, oil sprayers, a thrust base ring and a clamping ring, the multiple thrust pads are evenly distributed in the circumferential direction and supported on the thrust base ring through protruding edges at the bottoms of the thrust pads, and the oil sprayers are fastened to the thrust base ring and located between the thrust pads. A plurality of middle oil injection holes for supplying lubricating oil to the middles of the pads are formed in the top of the oil injector in the radial direction, inclined planes are arranged on the two sides of the oil injector, outer inclined plane oil injection holes and inner inclined plane oil injection holes for supplying cooling oil are formed in the inclined planes, end discharge grooves are formed in the positions, close to the inner diameter, of the thrust pads, and oil blocking dams are formed between the end discharge grooves and the inner diameter of the thrust pads in the radial direction. And the end discharge chute is communicated with a cooling hole arranged in the thrust pad. The stirring loss of lubricating oil gathered between the inner diameter of the thrust pad and the rotating shaft is avoided, the high-temperature area of the thrust pad is cooled through low-temperature lubricating oil discharged along the inner diameter end of the thrust pad, and the bearing capacity of the axial force supporting component of the organic working medium turbine is improved.

A fluid cartridge for a multi-component sprayer is configured to receive a first component material and a second component material and purge air from the sprayer and provide the first component material and second component material and purge air to a mixing chamber for spraying. The fluid cartridge includes a cartridge body, a material flow path extending from a second end to a cartridge orifice, and a purge path extending from the second end to the cartridge orifice. A fluid check is disposed in the material flow path and purge path to prevent backflow out of the fluid cartridge. A side seal is disposed in the material path and is preloaded to extend into the cartridge orifice and engage a mixing chamber within the cartridge orifice.

The active fire prevention system comprises a fire extinguishing module, a side span emergency module and a middle span emergency module, the fire extinguishing module comprises a plurality of fire pools fixed to the top of a bridge tower, and a water supply main pipe connected with the bottom of the fire extinguishing module is laid in the extending direction of the main cable and fixed to the top of the main cable; spraying branch pipes and temperature sensing automatic closing type sprayers are arranged on the water supply main pipe at intervals. The side span emergency module comprises a first emergency water storage tank and a first pressurizing water pump which are fixed in a stiffening beam and are communicated with a side span water supply main pipe through a first emergency connecting pipe, and the mid-span emergency module comprises a second emergency water storage tank and two second pressurizing water pumps which are fixed in the middle of a mid-span stiffening beam; and the two second emergency connecting pipes are respectively communicated with water supply main pipes on two sides of the midspan. Real-time fireproof protection of the main cable is achieved through the fire extinguishing module, the temperature rise of the main cable is directly prevented from exceeding the critical temperature, the risk of structural failure is avoided, the emergency module continuously provides a water source and pressure when the water source is insufficient, and the fire extinguishing duration is prolonged.

A fast-set, plural component, spray applicator (12) includes a stationary mix chamber (48) to eliminate dynamic metal-to-metal high pressure fluid sealing. The stationary mix chamber (48) mixes the plural components before dispensing the mixed components from the spray applicator.

The large stone cutting machine with the adjustable water spraying position comprises a portal frame, a cutting saw blade, a control box, a back plate and a water spraying mechanism, the water spraying mechanism comprises a water conveying pipeline, a spraying head, a bearing plate, a roller, a pull rope, a linear guide rail, an electric rotary table, a magnetic attraction block and a metal block, and stone can be placed below the cutting saw blade to be cut; in the cutting process, the linear guide rail can drive the electric rotary table and the magnetic attraction block to move above the roller, when the magnetic attraction block moves to the position above the metal block, magnetic attraction can be conducted, and after magnetic attraction is completed, the electric rotary table can drive the roller to rotate through the magnetic attraction block and the metal block, so that the pull rope is further wound; and the number of the rollers is two, the position of the water conveying pipeline in the arc-shaped rail groove can be adjusted by controlling the different rollers to rotate, and water sprayed out of the spray heads can conduct targeted cooling and dust falling on different positions of the cutting saw blade.

The present application discloses a kind of water guide mechanism of sprayer, including spray arm, adjust movement between multiple different positions;Fixedly arranged water inlet pipe;Rotatable water guide member is installed on spray arm, multiple different water inlets are provided on water guide member, water guide member can be rotated along the circumference relative to spray arm, so that spray arm is in different position when corresponding water inlet on water guide member is communicated with water inlet pipe.The present application also discloses a kind of dishwasher, the dishwasher is equipped with a kind of water guide mechanism of sprayer as described above.By setting up including rotatable water guide mechanism in dishwasher water guide mechanism of sprayer, water guide mechanism of sprayer can be adjusted up and down position according to different tableware in dishwasher, in turn, so that the shelf in dishwasher can be adjusted up and down position, so that the space utilization of dishwasher is greatly improved, can be suitable for the cleaning of various tableware, also improves the user experience of dishwasher.

A kitchen garbage disposal device, comprising a casing and a grinding cover, a grinding disc is installed inside the grinding cover, a feeding port is arranged on the top of the grinding cover, a discharging port is arranged on the lower part of the grinding cover, a fixed sprayer is installed in the grinding cover, the fixed sprayer is arranged above the grinding disc, water outlet holes are arranged on the fixed sprayer in a circumferential direction, a water inlet cavity is formed between the fixed sprayer and the inner wall of the grinding cover, a water inlet is arranged on the grinding cover and connected with the water inlet cavity, a rotating disc is installed in the water inlet cavity, the rotating disc can rotate under the action of the water flow flowing into the water inlet cavity, and the rotating direction of the rotating disc is opposite to the rotating direction of the grinding disc. When working, the water flow in the water inlet cavity produces a spraying effect through the water outlet holes on the fixed sprayer, the water flow directly sprays on the grinding working area, stirs the kitchen garbage, and improves the grinding effect. At the same time, the spraying water can also spray on the inner wall of the grinding cover, washes the kitchen garbage splashed on the inner wall of the grinding cover by the grinding disc, and plays a self-cleaning role.

The utility model relates to the field of agricultural instruments, and discloses a nozzle adjusting mechanism of a self-propelled boom sprayer, which comprises a connecting plate, the rear surface of the connecting plate is fixedly connected with a connecting block, the connecting block is internally provided with a driving assembly, the driving assembly comprises a motor, an output shaft of the motor is fixedly connected with a reciprocating screw rod, and the reciprocating screw rod is fixedly connected with a rotating shaft of the motor. A sliding block is arranged on the outer wall of the reciprocating lead screw, a sliding rod is fixedly connected to the upper surface of the sliding block, a sliding groove is formed in the inner wall of the top end of the connecting block, and a rotating shaft penetrates through the rear surface of the connecting block and is rotationally connected with the rear surface of the connecting block. According to the spraying device, through cooperation of the driving assembly, the reciprocating lead screw can be driven to rotate, the sliding block and the sliding rod can be driven to move after the motor is started, the sliding rod can extrude the spiral groove to drive the rotating shaft and the spraying pipe to rotate, the direction of the spraying head is flexibly changed, the spraying head can meet the spraying requirements of different crops, and the spraying precision is improved; the spraying effect and the pesticide utilization rate are improved.