167results about How to "Expand the spraying range" patented technology

This application relates to the field of tarpaulin cleaning technology, disclosing a high-strength self-cleaning sunshade tarpaulin, including a tarpaulin, a cylinder, blades, a hollow shaft, a cross-shaped spray frame, spray pipes, first nozzles, cross-shaped pipes, and valves. In use, the water supply equipment is controlled to operate, and water is delivered through multiple hoses into the interior of multiple cross-shaped pipes, ultimately being sprayed out by multiple spray pipes and multiple first nozzles. When water is sprayed from the multiple first nozzles, fine water streams are evenly sprayed onto the tarpaulin surface, carrying dust from the sides of the tarpaulin to the ground. When water is sprayed from the multiple spray pipes, multiple high-pressure water jets are directed at multiple blades. Then, under the push of the reaction force, the multiple cross-shaped spray frame rotates. This ultimately drives the multiple first nozzles to rotate, thereby increasing the spray range and improving the dust removal effect. Because the multiple nozzles are evenly distributed on the sides of the tarpaulin, it is convenient to clean the entire side when the tarpaulin is unfolded.

The utility model discloses termite monitoring and killing device, including the casing, the casing is placed on the ground, still include: the four -sided of casing is equipped with through -hole, and the inside fixed of casing has the screen, and the top of screen is placed with the decoy, the inner wall of casing is equipped with infrared controller, and infrared controller is connected with the water pump on first water pipe, the water pump on second water pipe and motor through wiring harness setting, and the top fixed of casing has the storage box, the left end of storage box is connected with first water pipe, and the bottom of first water pipe stretches into the inside of casing and is connected with the spray head setting, and the rear end of storage box is connected with second water pipe. This termite monitoring and killing device is installed with second water pipe, and the used liquid medicine can be recycled through second water pipe, so as to achieve the purpose of recycling and reusing, thereby reducing the number of adding reagent, and then achieving the purpose of convenient to use.

The utility model discloses a metal smelting desulfurization dust remover relates to desulfurization dust removal technical field, the utility model discloses a tank body, the top fixed mounting of tank body has the fixed ring, the inside movable sleeve of fixed ring is equipped with the adjusting pipe, the outside of adjusting pipe is equipped with annular limit slot, and fixed mechanism is used in cooperation with annular limit slot, and the bottom of adjusting pipe is equipped with four first movable slots, and the inside rotation of first movable slot is installed with the installing rod, and the bottom fixed mounting of installing rod has a plurality of first shower nozzle, and the bottom end fixed mounting of adjusting pipe has the first water storage pipe, and the outside of first water storage pipe is provided with control assembly, and the inside of adjusting pipe is provided with adjusting assembly, sets up control assembly, and the whole is used for controlling the contraction and expansion of installing rod, and the flexible operation of installing rod is realized in cooperation with adjusting assembly, and adjusting assembly whole cooperates with control assembly, and drive control assembly action, thereby realizing the contraction and expansion of installing rod, and it is convenient for spare part to take out maintenance.

This invention relates to the field of heat dissipation airflow mesh technology, and provides an airflow mesh for passive airflow cooling, including a pipe assembly, a clamping assembly, and an adjusting assembly. The pipe assembly includes a main pipe, a secondary pipe, an adjusting pipe, a vertical plate, and a horizontal plate. The clamping assembly, sleeved on the outer wall of the adjusting pipe, includes a fixed plate, a movable part, a rotating plate, and a support block. The adjusting assembly is located at one end of the main pipe and inside the main and secondary pipes, and includes a motor, a rotating shaft located at the output end of the motor, a drive bevel gear sleeved on the end of the rotating shaft away from the motor, a rotating part located on the end of the drive bevel gear away from the rotating shaft, and a spiral part sleeved on the rotating part. The function of the pipe assembly is to connect traditional heat dissipation pipes in sections, and through the combined effect of the septum effect and Bernoulli's principle, to compress the gaseous working fluid and release heat, which is conducted away through the metal thermally conductive material, thereby reducing the temperature of the airflow after it passes through by approximately 50 watts / m² / m / s.

This utility model relates to a vertical integrated water, fertilizer, and pesticide misting system for fruit trees, comprising a water, fertilizer, and pesticide frequency conversion supply system, a pipeline system, and a vertical mixing and spraying system. The vertical mixing and spraying system is connected to the water, fertilizer, and pesticide frequency conversion supply system via the pipeline system. The vertical mixing and spraying system includes a riser, a water and fertilizer spraying component, and a pesticide spraying component. The pesticide spraying component is located at the upper end of the riser, and the water and fertilizer spraying component is located at the lower end of the riser. Both the pesticide spraying component and the water and fertilizer spraying component include a disc, anti-clogging nozzles, and an angle adjustment mechanism. The disc is fixedly fitted onto the riser, and two anti-clogging nozzles connected to the riser are located on the disc. The two anti-clogging nozzles correspond one-to-one with two adjacent fruit trees in each row. The angle adjustment mechanism can simultaneously drive the two anti-clogging nozzles to rotate in the vertical plane. The beneficial effects of this utility model are: by integrating the water and fertilizer spraying function and the pesticide spraying function into one system, it reduces manual labor, provides a large spraying range, and has high work efficiency.

The utility model relates to the technical field of pediatric clinical medicine, in particular to a circulating sterilization trolley which comprises a water storage assembly, the water storage assembly is composed of a water storage tank, a storage pipe and a valve, a through groove is formed in the edge of the top of the water storage tank, the inner wall of the through groove is fixedly connected with the storage pipe, and the lower surface of the storage pipe is rotationally connected with the valve. According to the circulating degerming vehicle disclosed by the utility model, through the arrangement of the water suction pipe, the water pump A, the telescopic pipe, the atomizing nozzle, the connecting rod, the threaded rod, the servo motor, the supporting plate, the auxiliary rod and the auxiliary assembly, when the circulating degerming vehicle is used, a medical worker starts the servo motor, and the servo motor drives the threaded rod in the supporting plate to rotate; a threaded rod drives a connecting rod to move up and down in a reciprocating mode, the connecting rod drives an atomizing nozzle to move up and down, a telescopic pipe continuously shrinks and stretches, a water pump A is started, and the water pump A pumps sterilization liquid in a water storage tank through a water suction pipe to enter the atomizing nozzle, and the sterilization liquid is sprayed out after being atomized.

This invention relates to the field of CVT technology for hybrid vehicles, and specifically to a CVT for hybrid vehicles. It includes a CVT transmission body, with a fixed base at the bottom of the CVT transmission body. The fixed base is connected to the CVT transmission body via a height adjustment component. An input shaft is located on one side of the CVT transmission body, and an output shaft is located on the side of the input shaft. Beneficial effects: By setting an auxiliary lubrication structure, auxiliary lubrication can be provided inside the CVT transmission, improving lubrication efficiency. Simultaneously, the oscillating component in the auxiliary lubrication structure can drive the spray pipe to rotate forward and backward, causing the spray pipe to drive the spray head to oscillate reciprocally, expanding the spray range and improving the quality of lubricant spraying. The height adjustment component allows for adjustment of the height of the input and output shafts after the transmission is fixed, enabling alignment and connection with external connectors, making it flexible and convenient to use.

The utility model discloses a waste gas absorption tower for acid regenerator unit, including spray tower body, the inlet pipe is installed to the spray tower body lower extreme, the liquid discharge pipe is installed to the spray tower body lower extreme, the liquid injection pipe is installed to the spray tower body upper extreme, the waste gas absorption mechanism is installed in the spray tower body, the waste gas absorption mechanism includes the filler layer, the draft tube, the drive frame. The utility model has the advantages that liquid can be sprinkled on the filler through the opening on the draft tube, thereby the contact time of gas and liquid can be increased, the spraying range of liquid can be increased by rotating the draft tube through the drive frame, the draft tube can also be moved, thereby the position of the opening on the draft tube can be changed, so that the liquid on the draft tube can fall on every position on the filler, thereby the liquid spraying can be more uniform, and the absorption efficiency of gas is improved.

The utility model relates to the technical field of building engineering construction dust fall, and discloses a building engineering construction site dust removal device convenient to move, the building engineering construction site dust removal device comprises a bottom plate, two universal wheels are fixedly mounted on the bottom surface of the bottom plate, and two self-locking wheels are fixedly mounted on the bottom surface of the bottom plate. According to the building engineering construction site dust removal device convenient to move, by arranging universal wheels, self-locking wheels, a three-stage hydraulic sleeve, a gear ring and other components, the two universal wheels and the two self-locking wheels are installed on the bottom face of the bottom plate, and by means of the design of the universal wheels and the self-locking wheels, the device can achieve in-situ steering, the flexibility of the device during moving is improved, and the device is convenient to move. Height adjustment of the holder can be achieved through a three-stage hydraulic sleeve, a first gear is rotated through a motor, the first gear is connected with a gear ring, rotation adjustment of the holder is achieved, then the height and angle of a spray head installed on the upper surface of the holder can be adjusted, and the device can improve the spraying height coverage range; and the full-scene requirements from the basement to the standard layer are met.

The application relates to a spraying device for planting bacteria, which comprises two main beams arranged oppositely in a greenhouse, a moving table slidingly arranged on the main beams, a spraying part arranged at the bottom of the moving table, a hose for supplying liquid in communication with the spraying part, an external liquid supply mechanism in communication with the hose and used for supplying liquid to the spraying part, a driving element arranged on the main beam and used for driving the moving table to move along the length of the main beam; the spraying device can move in the greenhouse through the main beam, the moving table and the spraying part, the spraying range is expanded, a large-area bacteria planting area in the greenhouse can be covered, liquid can be uniformly sprayed on the bacteria in the form of atomization, the bacteria can fully absorb the liquid, and the growth of the bacteria is facilitated.

The utility model relates to the technical field of agricultural irrigation and fertilization, and discloses a crop per unit yield increasing water and fertilizer integrated irrigation device which comprises a supporting bottom frame, a storage barrel is welded to the inner side of the supporting bottom frame, an upper protective cover is clamped to the top of the storage barrel, and a driving motor is installed at the top of the upper protective cover through a bolt. A stirring unit is arranged in the upper protective cover, and a smashing unit is arranged between the driving motor and the upper protective cover in a matched mode. The driving motor works, all the units can be driven to be matched with one another at the same time, the functions of water and fertilizer storage, stirring, smashing, spraying and the like are achieved, an integrated irrigation solution is provided for crops, the per unit yield of the crops can be improved, the stirring shaft and the stirring blades are matched, and the smashing shaft and the smashing blades are matched with one another. The device can realize multi-stage melting and mixing assistance of fertilizer and water, greatly improves the mixing effect, and reduces the traditional water and fertilizer mixing time and the actual working period at the same time.

The utility model discloses a kind of semiconductor polishing liquid anti-deposition devices, including the storage tank for storing semiconductor polishing liquid, the side surface of the storage tank is equipped with circulation conveying component for semiconductor polishing liquid circulation, rotating drive component is installed on the position of the storage tank and corresponding the circulation conveying component, the bottom of the storage tank is also equipped with agitating component for semiconductor polishing liquid agitation, the circulation conveying component includes fixedly connected in the bottom of the side surface of the storage tank circulation pump, conveying pipe is installed on the circulation pump, rotatable annular pipe is connected to the other end of the conveying pipe.The utility model is by circulation pump and is sent to annular pipe by conveying pipe in the storage tank polishing liquid and is evenly sprayed by spray head, positive and negative rotation motor drives driving link to make annular pipe reciprocating rotation expand spraying range, while agitating motor drives agitating blade to agitate the polishing liquid in the storage tank, ensure its uniform distribution.

This invention relates to the field of water-based paint treatment technology, specifically to a water-based paint treatment device and process for wooden furniture production. Technical Problem: In existing technologies, dust on the surface of wooden furniture is blown away using an air gun, causing the dust to fly in the air and easily inhaled by workers, posing a health hazard. Technical Solution: A water-based paint treatment device for wooden furniture production includes a base frame and a lifting component; the lifting component, used to move the table legs upwards, is connected to the middle of the base frame. The water-based paint treatment device for wooden furniture production obtained by the present invention uses the felt fibers to brush away dust from the surface of the table legs. Simultaneously, during movement, the elastic rope sinks into the recesses of the table legs, and the felt fibers on the elastic rope also brush away dust from these recesses. Furthermore, impurities stuck in the recesses are also carried out by the elastic rope, preventing dust residue on the table legs from affecting the subsequent water-based paint spraying quality.

The application discloses a glass fiber reinforced plastic spraying machine with auxiliary positioning, and relates to the technical field of spraying, which comprises a connecting frame and a spraying machine, a sliding channel is formed in the middle of the connecting frame, a second servo motor is fixedly installed at the rear of the sliding channel through screws, and the output end of the second servo motor is connected with a positioning assembly for fixing the glass fiber reinforced plastic. Through the design of the first hydraulic air rod at the outer column end of the connecting shaft, the position of the abutting plate can be driven to move, the first hydraulic air rod and the abutting plate are annularly distributed about the center of the connecting shaft, the user can support and limit from the inside through the continuous position movement of the abutting plate when the connecting shaft is in the hollow inside of the glass fiber reinforced plastic, and the whole connecting shaft can be driven to rotate through the design of the second servo motor, the angle of the assembly connected with the connecting shaft can be adjusted through the rotation of the connecting shaft, and the spraying range of the glass fiber reinforced plastic is increased.

This utility model discloses a color sorting device for construction waste with dust suppression function, including a construction waste color sorter and a vibrating feeder. A guide plate is fixed on the discharge port of the vibrating feeder, and the guide plate is located above the inlet of the construction waste color sorter. A cover is fixed above the inlet of the construction waste color sorter, and a main water pipe is fixed on the top of the cover. When the construction waste is generated in the early stage of construction, this part of the waste has more dust. At this time, the solenoid valve does not seal the first water pipe, and water is transported to the first and second water collection pipes through the first and second water pipes, so that both the first and second atomizing nozzles can spray, which plays a role in dust suppression. When the construction waste is generated in the later stage of construction, this part of the waste has less dust. At this time, the solenoid valve seals the first water pipe, so that the first atomizing nozzle stops spraying. Only the second atomizing nozzle sprays, avoiding waste of water resources.

The application discloses a construction site dust fall system, which comprises a watering pipe arranged on a construction site fence and atomizing nozzles installed at one end of the watering pipe, a plurality of rotating seats are fixed on the side of the fence, vertical rotating rods are arranged on the rotating seats and rotate, horizontal rods are installed on the vertical rotating rods, the atomizing nozzles are a plurality of and are installed on the horizontal rods respectively, a main pipe is horizontally installed on the rotating seat, the watering pipes are hoses and correspond to the atomizing nozzles one by one, the watering pipes are communicated with the main pipe, a water supply device is communicated with the main pipe, and a driving device for driving the vertical rotating rods to reciprocating rotate is arranged on the fence. The application has the effects of reducing the number of the watering pipes and the atomizing nozzles without reducing the dust removal efficiency, thereby improving the utilization efficiency of a single nozzle.

The utility model relates to pill processing technical field provides a kind of pill coating thickness closed loop control spraying machine, comprising: machine body;Inner chamber, be set in the inner wall of the machine body, the inner wall of the one side of the inner chamber is equipped with inclined air outlet;Further comprising: arc plate, set in the inner wall of the machine body, the surface of the arc plate is equipped with leak, the inner wall of the machine body is provided with baffle, the surface of the one side of the baffle is set on the surface of arc plate.The utility model, start drive motor work, so that the arc-shaped inclined plate of mounting bracket surface moves along the surface of arc plate, the pill at bottom is worked to be stirred, cooperate the atomizer on the surface of transmission pipe and carry out atomization to coating liquid, the pill is contacted with the surface of arc plate in the inside of machine body, so that pill is fully and uniformly contacted with coating liquid, synchronously by means of drying pipe transmission gas, is transmitted to inner chamber surface through inner chamber, in the process of pill coating, evenly drying work is carried out.

This utility model relates to the field of powder coating technology, specifically to a multi-gun automatic spraying device capable of uniformly distributing powder. It includes a base and a multi-gun device. The top of the base is equipped with a first adjustment mechanism and a second adjustment mechanism. The first adjustment mechanism includes a column, a cylinder, a ring frame, an adjustment frame, a connecting seat, an adjustment rod, and ball bearings. The first adjustment mechanism causes the cylinder and ring frame to cooperate in driving the adjustment frame to swing. The swinging adjustment frame then drives the multi-gun device to move radially, adjusting the radial angle of the multi-gun device. The second adjustment mechanism causes a motor to drive a connecting rod to swing. The swinging connecting rod then drives the multi-gun device to move axially, adjusting the axial angle of the multi-gun device. This facilitates the adjustment of both the radial and axial angles of the multi-gun device, effectively improving the spraying range and the uniformity of powder distribution.

The utility model relates to the technical field of anoectochilus formosanus planting, in particular to an anoectochilus formosanus planting temperature and humidity control device which comprises a moving frame body, a moving seat is arranged at the bottom of the moving frame body, a driving assembly is arranged in the moving frame body, and two spraying assemblies are arranged at the bottom of the moving seat. A water storage tank and a hot air tank are arranged on the outer sides of the two spraying assemblies correspondingly. And the driving assembly is used for driving the moving seat to move, the driving assembly is composed of two sets of driving racks, a plurality of sets of driving rods, a plurality of sets of driving gears and a plurality of sets of sliding blocks, and the two sets of driving racks are fixedly connected to the two ends of the interior of the moving frame body correspondingly. Multiple spraying devices do not need to be installed, the temperature and humidity of the planting environment are controlled, the cost is reduced, and the temperature and humidity of the planting environment can be effectively controlled.

This invention relates to the field of water washing and purification, and more particularly to a water washing and purification component and method for separating starch from wheat flour. The component includes a base, a water washing tank on the upper surface of the base, and a screening component for screening wheat flour on the upper end of the water washing tank. A turntable is rotatably connected to the lower end of a displacement rod via a pin, and a swing rod is rotatably connected to the upper side of the front face of the turntable via a pin. A flipping plate is provided on the lower end of the swing rod. A stirring component is also provided on the water washing tank, including a stirring shaft with stirring blades on both sides. This invention achieves a highly efficient impurity filtration effect on the wheat flour to be washed, ensuring the quality of the wheat flour and avoiding the situation where impurities in the wheat flour affect the washing efficiency. It also achieves a uniform water washing and purification effect on the wheat flour, improving the washing efficiency of the wheat flour.

This utility model discloses a multi-rotor spraying device for unmanned aerial vehicles (UAVs), relating to the field of UAV application technology. The device includes a water tank, a rotating mechanism, a baffle, and an adjusting mechanism, aiming to solve the problems of limited spraying range and susceptibility to wind interference in existing technologies. Its rotating mechanism includes a rotating disk fixedly connected to the top of the water tank, and a motor and gear assembly driving its rotation. The adjusting mechanism connects the water tank and the baffle, and includes a first fixed block and a second fixed block respectively fixed to the inner wall of the baffle and the inner wall of the water tank, as well as a telescopic rod rotatably connected at both ends between the two fixed blocks and a spring sleeved on it. This utility model expands the spraying range through the rotating mechanism, while the adjusting mechanism allows the baffle to adaptively adjust to block wind interference, solving the problems of low spraying efficiency and poor uniformity in existing technologies, and has the advantages of reliable structure and strong practicality.

The utility model provides a dust removal device for building construction, which comprises a base, a lifting cylinder adjustably mounted on the base, and extension pieces foldably mounted on the two sides of the upper end of the lifting cylinder, guide rods are respectively arranged on the two sides of the base, and lifting plates are respectively arranged at the upper ends of the guide rods on the two sides of the base, so that the dust removal device can be conveniently carried and moved by personnel. The base is provided with a lifting cylinder which is arranged in a lifting manner, the two sides of the top of the lifting cylinder are respectively provided with a stretching piece which can be unfolded and is adjustable in length, and spraying seats are distributed on the stretching pieces, so that atomization nozzles which are distributed on the spraying seats are used for spraying water mist to remove dust around. The device is convenient to fold and can be carried through the lifting plate after being folded, so that the device is conveniently moved to different places, and frequent replacement in a construction site is facilitated.

The utility model discloses waste gas treatment equipment for high polymer material production, relates to the technical field of waste gas treatment, and provides the following scheme aiming at the problems proposed in the background technology: the waste gas treatment equipment comprises a treatment box, an end cover is inserted into the upper surface of the treatment box, a contact groove is formed in the upper surface of the treatment box, and a filter groove is formed in the lower surface of the treatment box; and four mounting screw holes are formed in the positions, corresponding to the filtering groove, of the lower surface of the treatment box, a turbulent flow assembly is rotationally connected to the inner bottom wall of the contact groove, and a spraying assembly is fixedly connected to the lower surface of the end cover. The spraying assembly and the spoiler assembly are arranged in a matched mode, in the using process, the spraying range in the treatment box can be increased through a plurality of atomizing nozzles, meanwhile, the driving motor is used for driving the circular sleeve and the spoiler to rotate, and the spoiler is driven to conduct disturbance treatment on waste gas flow in the treatment box; therefore, the contact area and time of waste gas impurities and water mist can be increased, and the waste gas treatment effect is improved.

The invention relates to the related technical field of oil tank cleaning, and discloses an oil tank cleaning device with a drying function, which comprises an operation table and a cleaning and drying assembly arranged on the operation table and configured to extend into an oil tank; the driving mechanism is connected with the cleaning and drying assembly and used for driving the cleaning and drying assembly to move in the oil tank; the spraying assembly is arranged on the cleaning and drying assembly and used for spraying a cleaning medium or hot air into the oil tank; through the arrangement of the first group of spray heads and the second group of spray heads and the axial reciprocating motion of the rotating shaft, cleaning media in the first pressure cavity and the second pressure cavity are alternately sprayed through the first group of spray heads and the second group of spray heads, so that the cleaning media form a dynamically changing covering path in the multi-cavity irregular internal space of the oil tank; cleaning dead angles are remarkably reduced, and the stripping capacity of adhesive oil stains near a welding seam, a partition plate and a bottom concave cavity area is enhanced.

The utility model discloses a concrete manufacturing dust treatment device which comprises a dust collection main box and square-opening right-angle air inlet pipes, and the square-opening right-angle air inlet pipes are connected to the two sides of the dust collection main box. The front end and the rear end of the dust collection main box are connected with air collection covers, one end of each air collection cover is connected with an air collection pipe, one end of each air collection pipe is connected with a front air box, the bottom end of each front air box is connected with a centrifugal fan, and a spraying dust falling mechanism is arranged at the bottom end of the dust collection main box. The centrifugal fan is driven, the air collecting pipe, the air collecting cover, the dust collecting main box and the square-opening right-angle air inlet pipe are matched so that dust in the concrete manufacturing process can be sucked into the dust collecting main box, dust removal is achieved, the filter screen is installed in the air collecting cover, and the filter screen is covered with the nylon fiber synthetic resin film. And dust is prevented from being sucked into the centrifugal fan.

The application discloses an intelligent micro-nano bubble water irrigation device and method thereof, and relates to the technical field of irrigation.The device comprises a controller main body, a turbulence mixing element is arranged on the inner side of a turbulence bin, and a distance-expanding irrigation element is arranged on one side of an extension pipe.The turbulence mixing element is arranged, a motor is started, and the transmission gear is rotated through the operation of the motor.At this time, the transmission gear drives the rotating link to rotate through the spur gear ring, so that the connecting rod rotates synchronously with the rotating link, and the rotating link rotates to rotate the rotating guide column.When the micro-nano bubble water passes through the turbulence bin, the turbulence plate guides the bubble water to rotate in the flowing process, so as to increase the stirring effect of the bubble water, and the bubbles gathered on the top of the pipeline flow through the rotation of the bubble water, so as to prevent a large number of bubbles from gathering on the top of the flow guide ring, the first sleeve pipe and the second sleeve pipe.

This utility model relates to the field of agricultural spraying machinery technology, specifically a portable agricultural spraying device, including a water storage tank. A water inlet pipe is fixedly connected to the outer surface of the water storage tank. A recycling mechanism is located above the water storage tank, a conveying mechanism is located above the recycling mechanism, and an adjusting mechanism is located above the water storage tank. The recycling mechanism includes a movable top cover movably connected to the upper surface of the water storage tank. A fixed top plate is located above the movable top cover, and an annular mesh plate is fixedly connected to the outer surface of the fixed top plate. By incorporating the recycling mechanism, this utility model allows the annular mesh plate to filter rainwater during spraying operations, enabling rainwater recycling and reducing water energy consumption during spraying. Simultaneously, the angled arrangement of the annular mesh plate prevents clogging, improving the energy efficiency and safety of the device.

The utility model relates to the technical field of washing equipment, in particular to a spraying device and a dish-washing machine comprising the spraying device, and aims to solve the problem that an existing dish-washing machine has washing dead angles. Therefore, the spraying device comprises a fixing component, a spraying arm assembly and a driving assembly, the spraying arm assembly comprises a driving arm, a spraying arm and a transmission mechanism, the driving arm is rotatably installed on the fixing component, the spraying arm is rotatably installed on the driving arm, and the driving arm is in transmission connection with the spraying arm through the transmission mechanism. The driving assembly can drive the driving arm to rotate, the driving arm and the spraying arm are in transmission connection through the transmission mechanism, the spraying arm can rotate relative to the driving arm along with rotation of the driving arm, and the projection area of the spraying area of the spraying arm is close to a rectangle. Therefore, the spraying range of the spraying device is expanded, washing dead angles of the dish-washing machine are eliminated, and the washing effect of the dish-washing machine is improved.

The utility model relates to an unmanned aerial vehicle for fire fighting, which belongs to the technical field of unmanned aerial vehicles and comprises an unmanned aerial vehicle body, a fire extinguishing agent placing box is clamped on the upper surface of the unmanned aerial vehicle body, a fixing component for fixing the fire extinguishing agent placing box is arranged on the unmanned aerial vehicle body, a pump body is arranged on one side of the unmanned aerial vehicle body, and a fixing frame is arranged on the lower surface of the unmanned aerial vehicle body. A reciprocating rotation type fire extinguishing agent spraying assembly is arranged on the fixing frame, a motor used for driving the reciprocating rotation type fire extinguishing agent spraying assembly is connected to the fixing frame, the output end of the pump body is connected with the reciprocating rotation type fire extinguishing agent spraying assembly, and the spray gun rotates in a reciprocating mode through the reciprocating rotation type fire extinguishing agent spraying assembly and the motor. And the fire extinguishing agent containing box can be conveniently taken down and replaced through the fixing assembly and the positioning groove, various requirements of different fire scenes for the fire extinguishing agent can be met, it can be guaranteed that the fire extinguishing agent containing box is stable, and the situation that flight safety and fire extinguishing operation are affected due to shaking and displacement is avoided.

The utility model relates to the technical field of pig breeding, and discloses a pig breeding cooling device which is characterized in that a guide frame is fixedly connected to the other side of a pig house, a spraying mechanism is installed above the pig house and comprises an adjusting frame, a servo motor and a gear, the servo motor is fixedly connected to the adjusting frame, the driving end of the servo motor penetrates through the adjusting frame and is fixedly connected with the gear, and the driving end of the servo motor is fixedly connected with the gear. One end of the adjusting frame is movably connected with a mounting block, the mounting block is movably connected with an electric push rod, and the bottom of the water pipe fixedly communicates with multiple sets of nozzles. The spraying mechanism can drive the multiple sets of nozzles to move front and back, spraying cooling can be conducted on the hog house through front-back movement of the multiple sets of nozzles, compared with traditional manual handheld spray gun cooling, the cooling efficiency is remarkably improved, the angles of the multiple sets of nozzles are adjustable, the multiple sets of nozzles can swing left and right while moving front and back, and the cooling efficiency is improved. Different areas in the hog house can be conveniently subjected to spraying cooling treatment, and the spraying range is widened.