1527results about How to "Expand the spraying range" patented technology

A portable haze sprayer having a multi-function that can spray powder chemicals or a fertilizer, spray chemicals in a high pressure, and widely spray chemicals is provided. The portable haze sprayer includes: a chemical container including a pipe connector for supplying a wind pressure and a supply pipe to be an exit of stored liquid chemicals; an air blower to be driven with an engine; a frame for supporting the chemical container, the engine, and the air blower; an elbow that is communicated to an output terminal of the air blower to supply a wind pressure to the pipe connector of the chemical container through an air supply pipe; a spray pipe that is communicated to the elbow and that hazes chemicals that are supplied from the chemical container; a powder supply pipe that is provided at a side of the elbow to spray a granular fertilizer or powder chemicals to the injection pipe to be opened or closed with a valve with a handle; a pump that is mounted at the center of the frame; a clutch means that is disposed between the air blower and the pump and that interlocks with a clutch lever to switch power; and a level guide for guiding the clutch lever, and a blade assembly that includes a pair of bosses that is disposed to sustain an interval by a bushing within the injection pipe to be rotatably supported a blade.

A washing machine includes: a cabinet forming an external appearance and having an open upper portion; a reservoir hanging within the cabinet and allowing washing water to be put therein; a washing tub rotatably disposed within the reservoir and accommodating the laundry; and a spray nozzle spraying washing water into the washing tub such that one boundary of sprayed washing machine reaches a side wall of the washing tub and the other boundary of the sprayed washing water reaches the bottom of the washing tub, wherein the spray nozzle includes: a tube part forming a passage along which washing water is introduced; and a spray part connected with the tube part to spray washing water and disposed such that a spray face against which washing water discharged from the tube part splashes is bent at a certain angle with respect to a discharge direction of the tube part. The laundry can be effectively wet by increasing a spray range of washing water.

The invention relates to a method and a device for restraining and preventing thermal runaway of a lithium ion battery. According to the method, a liquid inert gas is utilized to perform spraying refrigeration and fire fighting on a faulted lithium ion battery. The method comprises the following steps: A, selecting spraying time; B, determining the spraying quantity of a sprayed gas; C, determining a spraying mode, wherein the spraying mode refers to continuous spraying or interrupted spraying. The device comprises a control cabinet, a storage tank, a main control valve, a secondary control valve, a nozzle, a detector and a safety valve, wherein the control cabinet is a manual button control cabinet or an automatic control cabinet provided with a PLC (Programmable Logic Controller); the detector comprises a temperature sensor used for monitoring the temperature of one or more battery monomers. The method and the device have the advantages that dual effects of refrigeration and fire fighting are achieved, a security mode is complete in functions, stable, safe, reliable and efficient, a vaporization product of the liquid inert gas is nontoxic, environmentally friendly and clean as well as free from secondary damages on battery equipment.

The invention discloses a garden multi-direction pesticide spraying device. The device comprises a base, a first supporting plate and a second supporting plate are arranged on the base, and a second motor is arranged on the left wall of the first supporting plate, a second rotation shaft is connected to a motor shaft at the right end of the second motor, a first cam and a second cam are mounted on the second rotation shaft, and a supporting base is mounted above the second supporting plate; the lower left corner of the supporting base is hinged to the top of the second supporting plate through a support, the second cam abuts against the right side of the bottom of the supporting base, and racks are arranged on the front side and the back side of a movable base; a front incomplete gear and a back incomplete gear are further rotatably connected to the upper portion of the supporting base, a connection plate is further connected to the incomplete gears, and a nozzle is arranged on the right side of the top of the connection plate. According to the device, the second cam rotates and drives the supporting base to swing up and down, accordingly the spraying distance is adjusted, and pesticide is sprayed on plants at different distances conveniently; the device is convenient to move and wide in spraying range, effectively improves the spraying efficiency and lowers the labor cost.

The invention relates to a pesticide spraying device, in particular to an efficient pesticide spraying device for pineapple planting, aiming at providing an efficient pesticide spraying device, which is high in spraying efficiency, uniform in spraying, large in spray range and good in damping effect, for pineapple planting. In order to solve the technical problems, the invention provides the efficient pesticide spraying device for pineapple planting. The efficient pesticide spraying device comprises a trolley, a right side plate, a guide plate, a spring, a placement plate, a sliding rail, a sliding block, a rolling shaft, a lifting rod, a movable block, a support rod, a guide sleeve, a guide rod, a bearing seat, and the like, wherein the support rod, the sliding rail and the right side plate are sequentially arranged on the trolley from left to right; the guide plate is arranged in the middle of the left side of the right side plate, and a guide hole is formed in the guide plate. The efficient pesticide spraying device fully utilizes the energy of the up and down vibration, caused by the unevenness of the ground in a process of pushing the trolley on a farmland, of an iron pesticide box; due to the buffer action of the spring, a damping effect is achieved.

The invention relates to the technical field of fire protection accessory devices, in particular to a spraying device for fire protection tank production. According to the spraying device for the fireprotection tank production, the spraying angle of a spray head can be adjusted, the spraying range of the spray head to a fire protection tank is enlarged, and the using limitation is reduced. In thespraying process of the fire protection tank, it does not need to manually and constantly overturn the fire protection tank to change the spraying position, labor is relieved, operation is easy, an operator is prevented from making contact with paint mist generated in the paint spraying process for a long time, factors of affecting the physical health of the operator are reduced, and the using reliability is improved. The spraying device for fire protection tank production comprises a spraying tank and a base. The inner wall of the right end of a working cavity is provided with a spray head.The spraying device comprises a first swinging rod, a second swinging rod, an adjusting block, two sets of reset springs, two sets of limiting sliding columns, a fixing plate, a driving motor, a transition shaft, a first transmission belt and a second transmission belt and further comprises an upper rotating shaft, an upper ejector plate, a lower rotating shaft, a lower ejector plate, an installation plate, a worm wheel, a worm and a third transmission belt. The bottom end of the installation plate is connected with the rear side of the inner wall of the top end of the spraying tank.

The invention relates to watering equipment, in particular to all-dimensional watering equipment for a road surface. The all-dimensional watering equipment for the road surface is large in spraying range. The all-dimensional watering equipment for the road surface comprises a base, water tanks, water inlet pipes, one-way valves, hoses, spray nozzles, sealing rings, push plates and the like. The water tanks are symmetrically arranged on the left side and the right side of the top of the base. The push plates are arranged in the water tanks. The push plates are matched with the water tanks. First springs are connected between the push plates and the water tanks. The water inlet pipes are arranged on the outer sides of the water tanks. The one-way valves are arranged in the water inlet pipes. Small holes are formed in the inner sides of the water tanks. Push rods are connected between the push plates on the left side and the right side inside the water tanks. According to the all-dimensional watering equipment for the road surface, a guide plate moves leftwards and rightwards so that a first rotary rod can rotate clockwise and anticlockwise alternately, and accordingly the spray nozzles can rotate clockwise and anticlockwise alternately.

The invention discloses a garden greening efficient watering and fertilization integrated device which comprises a bottom plate, a water and fertilizer box, a motor, a threaded rod, a sleeve, a firstrotating shaft, a first gear, a first rack, a stirring rod, a first spring, a grinding ball, a movable cam, a cylinder, a piston rod, a second spring, a pulley, another movable cam, an electric push rod, a second rotating shaft, a sprayer, a second gear and a second rack. By coordination of the motor, the sleeve, the threaded rod, the first gear, the first rack, the first spring and the grinding ball, the stirring rod is driven to vertically move and continuously rotate, water and solid fertilizers are sufficiently stirred, so that the solid fertilizers are more effectively dissolved in the water, and the preparation efficiency of water and fertilizer solution is improved. By coordination of the electric push rod, the movable cams, the piston rod, the cylinder, the pulley, a piston and thesecond spring, the sprayer is driven to continuously rotate forwards and reversely, spraying range is widened, and working efficiency is improved.

The invention relates to the field of desilting equipment, in particular to a pipe desilting device for municipal engineering. The pipe desilting device comprises a shell, idler wheels, a brush head and a liquid storage box, wherein electric telescopic rods are mounted at the top and the bottom of the shell; the idler wheels are mounted at the top ends of the electric telescopic rods; a first telescopic mechanism is rotatably connected with the right side wall of the shell; the side wall of the first telescopic mechanism is hinged to a support rod; the brush head is hinged to the free end of the support rod; the liquid storage box is mounted in the shell; a stirring mechanism is mounted in the liquid storage box; a T-shaped water pipe is mounted on the left side wall of the shell; sprayersare mounted at the upper and lower ends of the T-shaped water pipe; and a rotary mechanism is further mounted on the side wall of the shell. Through arranging the angle-adjustable brush head, the brush head better fits the inner wall of a pipeline to clean the inner wall of the pipeline and scrape sludge attached to the inner wall of the pipeline; and through arranging the rotatable sprayers, thespraying range is greatly enlarged, so that the spraying dead angle is reduced to spray cleanout fluid more uniformly.

The invention discloses an adjustable spraying device for forestry. The adjustable spraying device comprises a bottom plate, a mixing tank, a sprayer, a motor, a crankshaft, a rod journal, a first sleeve, a second sleeve, a first rack, a first gear, a stirring shaft, stirring rods, a water outlet pipe, a booster pump, a second rack, a second gear, a rotary shaft, a first support rod, a first electric push rod, a second support rod and a second electric push rod. The adjustable spraying device has the advantages that the device is provided with the motor, the crankshaft, the first sleeve, the first rack, the first gear, the stirring shaft and the stirring rods which are coordinated to drive the stirring rods to rotate forwardly and reversely, fertilizer, chemicals and water can be sufficiently mixed favorably, the second sleeve, the second rack, the second gear and the rotary shaft are coordinated to drive the sprayer to rotate forwardly and reversely in a certain range to increase thespraying range and work efficiency, the height and inclination angle of the sprayer can be adjusted by the first electric push rod and the second electric push rod, targeted spraying can be performedon the different parts of different plants, and the device is high in applicability.

The invention discloses a forestry efficient irrigating and fertilizing integrated device which comprises a bottom plate, an electric hydraulic cylinder, a rotating mechanism, a spraying mechanism anda fertilizing mechanism. The electric hydraulic cylinder is arranged on the bottom plate, the upper end of the electric hydraulic cylinder is fixedly connected with a moving rod, the rotating mechanism is arranged on the moving rod, the spraying mechanism is arranged in the rotating mechanism and comprises an incomplete gear, a driving gear B, a forward-backward-rotating motor, a spring, a waterguide pipe, a swinging rod, a moving rod and a nozzle, and the fertilizing mechanism is arranged on the right side of the electric hydraulic cylinder and comprises a material storage chamber, a stirring rod, a stirring shaft, a conical gear A, a first motor, a conical gear B, a connecting rod, an irregular conical gear, a conical gear C, a conical gear D, a sleeve, a threaded rod, a piston, a cylinder and a liquid guide pipe. The forestry efficient irrigating and fertilizing integrated device is simple in structure, convenient to operate, easy in control on spraying range and good in sprayingeffect, and integrates irrigating and fertilizing, thereby greatly lowering labor.

The invention discloses a variable thrust pintle injector. The variable thrust pintle injector comprises a central rod, a shell, a base and an axial moving mechanism. The central rod is provided witha conical head and can be driven by the axial moving mechanism to do axial reciprocating motion. The base comprises a circular truncated cone tail part and a sleeve part, an inner flow channel is formed between the sleeve part and the central rod and comprises an inner flow channel liquid collecting cavity, an inner flow channel contraction section and an inner flow channel flaring section, a shrinking ring is arranged on the inner wall surface of the head of the sleeve part, and a flaring slope is arranged on the inner wall surface of the head of the shrinking ring and intersects with the conical surface of the conical head. An outer flow channel is formed between the sleeve part and the shell, an inner flow channel inlet and an outer flow channel inlet are formed in the circular truncated cone tail part, the inner flow channel inlet is used for introducing liquid oxygen, the outer flow channel inlet is used for introducing methane, and the circular truncated cone tail part is hermetically connected with the tail of the shell. According to the variable thrust pintle injector, the phenomenon of adherent flow can be effectively improved, a pressure cavity is formed, so that the central rod moves up and down, variable flow adjustment is achieved, and the working range of an engine is widened.

The invention discloses a small household clothing care machine, which comprises a care machine shell, a clothing container, a spraying system, a drying system and a control system, the clothing container, the spraying system, the drying system and the control system are arranged in the care machine shell, the clothing container is shaped like a cuboid, the front end of the clothing container is provided with an opening, the small household clothing care machine also comprises a drawer frame which is used for hanging or containing clothing to be cared, the inner side of the front drawer board of the drawer frame is tightly fitted in the opening when the drawer frame is pushed into the clothing container from the opening, and a closed chamber is defined by the clothing container and the front drawer board of the drawer frame. The invention provides the small household clothing care machine which integrates washing, wrinkle removal, peculiar smell elimination and drying into a whole, and the small household clothing care machine has the advantages of small size, strong function, simple structure, convenience in use and better clothing care effect.

The invention discloses an air-ground integrated agricultural and forestry plant protection system device and a use method. The air-ground integrated agricultural and forestry plant protection system device comprises a ground vehicle, power supply equipment, a hydraulic pump, a liquid tank and a liquid delivery flexible pipe, wherein the power supply equipment, the hydraulic pump, the liquid tank and the liquid delivery flexible pipe are arranged on the ground vehicle. The liquid delivery flexible pipe is provided with unmanned aerial vehicles and sprayers, each sprayer is provided with an electronic obstacle detector, the electronic obstacle detectors are connected with a central controller, and the central controller is connected with the unmanned aerial vehicles and electronic signal locators. Support is provided for spraying operation through the power supply equipment, the hydraulic pump and liquid tank on the ground vehicle, and the unmanned aerial vehicles suspend the liquid delivery flexible pipe for spraying operation; the central controller receives signals from the electronic signal locators so as to control the synchronization of the unmanned aerial vehicles and the ground vehicle, and the central controller controls the unmanned aerial vehicles to automatically overcome obstacles by receiving the signals of the electronic obstacle detectors. The air-ground integrated agricultural and forestry plant protection system device and the use method have the advantages that the spraying width and the spraying height can be adjusted in real time, the spraying efficiency is improved, the unmanned aerial vehicles can automatically get over the obstacles and the operation is simple.

The invention discloses a height-adjustable automatic water-feeding mixing and spraying device of pesticide. The device comprises a base, and the top of the base is fixedly provided with a pesticide box; the right wall of the pesticide box is also fixedly connected with a pressurization cylinder through a bracket, a water inlet pipe is connected to the left side of the bottom of the pressurizationcylinder, penetrates through the side wall of the pesticide box and is connected to the lower right corner of the interior of the pesticide box, a second three-way valve is arranged on the water inlet pipe, a right end port of the second three-way valve is connected with a water feeding pipe, and the right end of the water feeding pipe is connected with a water feeding hose; a circulating pipe isconnected to the right side of the bottom of the pressurization cylinder, penetrates through the side wall of the pesticide box and is connected to the top of the interior of the pesticide box, a water outlet end of the pesticide box is also fixedly connected with a first spraying nozzle, the circulation pipe is provided with a first three-way valve, and a right end port of the first three-way valve is connected with a water outlet pipe. According to the device, the three different functions of water feeding, pesticide cycle mixing and automatic pesticide spraying can be controlled and achieved by adjusting the communicating directions of the first three-way valve and the second three-way valve, the device is easy to operate and convenient to use, the work efficiency is greatly improved,and the manual labor amount is reduced.

The invention discloses a high-efficiency chemical fertilizer and pesticide spraying device for gardens, which comprises a car body; a mixing box is arranged in the car body, and a rotating shaft is arranged in the mixing box, and the rotating shaft is fixedly connected with a horizontal stirring plate; the rotating shaft is located on the horizontal stirring plate The bottom is fixedly connected with a fixed bearing, the fixed bearing is rotatably connected with a driven shaft, and the driven shaft is fixedly connected with a vertical stirring plate. The present invention is equipped with a vertical stirring plate to stir and mix the mixed liquid in the vertical direction, so that the mixed liquid is mixed more uniformly and the mixing effect is improved; the present invention is provided with a rotating rotating tube and a spray head, so that the scope of pesticide spraying is wider. Large, which improves the spraying efficiency; the present invention is equipped with branch pipes and electromagnetic valves, enabling the device to perform single-side spraying and double-side spraying, thereby increasing the practicability of the device.

The invention provides an atomizing and spraying device for a disinfection robot and belongs to the technical field of intelligent disinfection equipment for solving the problem that an existing atomizing device is poor in atomizing and spraying effect and small in spraying range. The atomizing and spraying device comprises a base, wherein a liquid storage box, a heating flash evaporation chamber,a rotary spray head assembly and a fan bracket are fixed to the upper end of the base; a pump mounting rack and an air exhausting vacuum pump are fixed to the heating flash evaporation chamber, a peristaltic pump is fixed to the pump mounting rack, an air inlet and an air outlet of the peristaltic pump are separately connected to the liquid storage tank and the heating flash evaporation chamber,the rotary spray head assembly comprises a rotating drum and a lifting pipe, the lifting pipe is slidably arranged in the rotating drum, and a mist discharging mechanism is arranged above the rotary spray head assembly. The atomizing and spraying device is high in adaptability, atomizes a liquid disinfectant quickly and sprays the liquid disinfectant more uniformly as a bearing and a bearing pedestal are matched to rotate in a reciprocating manner intermittently. The lifting pipe slides up and down in the rotating drum to spray the liquid disinfectant to disinfect at different heights. The mist discharging mechanism is matched with the rotary spray head assembly to blow the atomized disinfectant away, so that the disinfection range is expanded.

The invention discloses a dedusting device for mining, and relates to the technical field of dedusting in mines. The dedusting device comprises a box body, wherein one side of the bottom part of the inner wall of the box body is fixedly connected with a water tank; one side of the bottom part of the inner wall of the box body is sequentially fixedly connected with a first motor and a pump head; awater inlet end of the pump head is communicated with a water intake pipe, and a water outlet end of the pump head is communicated with a tee pipe joint through a first water drain pipe; one side of the tee pipe joint is communicated with an ultrasonic atomizing spray head through a second water drain pipe; the top part of the ultrasonic atomizing spray head is communicated with a high-pressure pipe; the top part of the box body is fixedly connected with a fixed base; the top part of the fixed base is rotationally connected with a rotary base; the top part of the rotary base is rotationally connected with an air delivery cylinder through a support column; one side of the top part of the rotary base is fixedly connected with a pitching device; the inner wall of the air delivery cylinder isfixedly connected with a round pipe through an installation plate; one side of the round pipe is communicated with a spray head. The dedusting device for mining solves the problems of lower dedustingefficiency, poorer dedusting effect and poor practicality.

The invention provides a multifunctional split type full-autonomous indoor spraying robot. The multifunctional split type full-autonomous indoor spraying robot comprises an omnidirectional moving chassis, a first-stage lifting base and a second-stage lifting base are carried on the moving chassis, a spraying mechanism is carried on the second-stage lifting base, a control system is arranged on thechassis of the spraying robot and controls the chassis to move, controls a spray head to ascend, descend, translate and spray paint, and controls to acquire sensor information and make an autonomousdecision; a split type driven mechanism is independent of the whole spraying robot, and a paint pump, a material barrel, a battery and the like can be placed on the split type driven mechanism; and the function of the robot is changed by changing the spraying mechanism. According to the multifunctional split type full-autonomous indoor spraying robot, full-automatic spraying work can be achieved,the problem that a robot is inconvenient to carry due to the too large size is solved, the robot can have multiple indoor decoration functions through the extended functions of the robot, and therefore the requirements of various indoor decorations are met.

The invention belongs to the technical field of cutting and provides a steel pipe cutting machine which can improve the cutting efficiency of steel pipe cutting machines. The steel pipe cutting machine comprises a bench, and a clamping device, a cutting device, a trimming device, a cutting length adjusting device and a discharging device are disposed on the bench. The clamping device is used for clamping steel pipes, the cutting device is used for cutting the steel pipes, the trimming device is used for trimming a cutter, the cutting length adjusting device is used for adjusting the cutting length of the steel pipes, and the discharging device is used for moving the steel pipes into a containing box. When the steel pipe cutting machine is in use, the steel pipes are placed on the bench, the cutting length of the steel pipes can be adjusted through a measurement rod and a footstock, then the steel pipes are fixed by a first clamping block, a second clamping block and a pressure bar, the steel pipes cut by the cutter can be conveyed to the containing box through the discharging device, and when the cutter is abraded, a disc abrasive can be used for trimming the cutter. Cutting efficiency of the steel pipe cutting machine can be effectively improved.

The invention discloses an efficient watering and fertilization device for agriculture. The device comprises a base plate, a box, a first motor, a disc, a movable rod, a fertilizer hopper, a crushingplate, a first spring, a first haulage rope, a second haulage rope, a first tooth bar, a second spring, a first rotating shaft, a first gear, an agitator arm, spraying mechanisms and a fertilization mechanism. With the arrangement of the first motor, the disc, the movable rod, the first haulage rope and the crushing plate, a solid granular fertilizer is repeatedly crushed, and then the solid fertilizer is better dissolved in water and utilization rate of the fertilizer is raised. With the arrangement of the second haulage rope, the first tooth bar, the first gear, the second spring, the firstrotating shaft and the agitator arm for cooperation, the agitator arm rotates in the forward and reverse directions such that water and the fertilizer are better integrated and fertilizer water preparation efficiency is raised. With the arrangement of two spraying mechanisms, continuous spraying is realized. With the arrangement of the fertilization mechanism, a nozzle can rotate a certain angle in both forward and reverse directions such that spraying range is widened, fertilization efficiency is raised and labor of workers is reduced.

The invention belongs to the technical field of buildings, particularly discloses a steel pipe surface rust removal and dirt removal device based on building site construction, and puts forward the following scheme to solve the problems that steel pipes are not clamped sufficiently stably, the rust removal effect is poor, rust stains during rust removal are not cleared timely and caked rust stainscan damage abrasion pieces. The steel pipe surface rust removal and dirt removal device comprises a mounting base; a fixing frame is arranged on the outer wall of the top of the mounting base; a first motor casing is arranged on the outer wall of one side of the top of the mounting base; a first motor is arranged on the inner wall of one side of the first motor casing; a first rotating rod is arranged on an output shaft of the first motor; and first belt wheels are distributed on the outer wall of the first rotating rod at equal intervals. By the aid of the device, rust blocks already bulgingfrom the surfaces of the steel pipes are removed, an abrasion belt is prevented from being scratched by blocky rust stains, the surfaces of the steel pipes are polished sufficiently by the aid of abrasion teeth, the steel pipes are fixed sufficiently, acid pickling is performed on the surfaces of the steel pipes, and the functions of cleaning while rust removal can be realized.

The invention discloses a spraying type industrial robot. The spraying type industrial robot comprises a base; annular clamping blocks are arranged on the base through annular clamping grooves, a rotary table is fixedly connected to the annular clamping blocks, the center of the bottom of the rotary table is connected with a first driving motor through a first rotary shaft, the first driving motor is fixed in an inner cavity of the base, a fixing frame is fixedly connected to the rotary table, a second driving motor is arranged at the bottom of the fixing frame, the second driving motor is connected with a coupler through a second rotary shaft, a threaded rod is arranged at the end, far away from the second rotary shaft, of the couple, the external of the threaded rod is screwed with a movable part, and connecting rods are symmetrically and fixedly connected to the two sides of the outer wall of the movable part; a mechanical arm is rotationally connected with the end, far away from the movable part, of each connecting rod; a spraying gun is arranged on the end, away from the corresponding connecting rod, of each mechanical arm, the end portion of each spraying gun communicates with a spraying pipeline, each spraying pipeline penetrates through the inner wall of the corresponding mechanical arm and extends outwards to communicate with a spraying box, fixing plates are symmetrically arranged on the two sides of the outer wall at the lower end of the movable part, an inclined block is fixedly connected to each fixing plate, a third driving motor is arranged on the outer side of each inclined block, each third driving motor is rotationally connected with a sliding block through a telescopic rod, and the lower side of the outer wall of each mechanical arm is provided with a sliding groove corresponding to the corresponding sliding block.

The invention relates to the field of building equipment, in particular to a convenient-to-move wall paint spraying device. The device comprises a rack, a storage box, a booster pump, a mounting frameand a sprayer. The upper surface of the rack is fixedly connected with the storage box, a stirring mechanism is installed in the storage tank, the bottom of the storage box is also provided with thebooster pump, the upper surface of the rack is fixedly connected with the mounting frame, a lifting lead screw is mounted inside the mounting frame, the interior of the mounting frame is slidably connected with a lifting frame, a hollow rotating shaft penetrates through the lifting frame, and the sprayer is installed at the right end of the hollow rotating shaft. A stabilizing mechanism is mountedat the bottom of the rack. By means of the stabilizing mechanism, the stability of the device is greatly improved, and wall paint spraying is facilitated. Paint is stirred through the stirring mechanism, so that the paint is evenly mixed, and the paint is prevented from being precipitated. The paint in the storage box is conveyed to the sprayer through the booster pump for wall paint spraying. The sprayer is driven by a third motor to rotate, so that the spraying process is more uniform, and the paint spraying efficiency is improved.

The invention relates to a mobile multi-stage hydraulic-drive pneumatic spray dust-settling truck, mainly solving technical problems of high investment caused by individual use of spray dust-settling devices and poor effect caused by common use of the spray dust-settling devices due to far distance on conditions of multiple and dispersed dust source points, variable dust source locations and complicated conditions of dust sources. The technical scheme includes that a water storage tank is connected with a high-pressure water pump through a water pipe and high-pressure water is pumped to a spraying assembly; a hydraulic station is connected to a hydraulic motor of a mist spraying device through a high-pressure oil pipe to drive an impeller of axle-flow fans to generate high-pressure air flows, the high-pressure air flows send mist to a dust working face, and high-pressure oil of a hydraulic station is connected to a hydraulic cylinder; the mist spraying device is lifted and then is driven to oscillate around a rotating bearing by a motor and a reduction gearbox via a rotational driving gear; a carriage engine drives a power generator through a double-output transmission in a gear shifting manner so that power required for system running is obtained. The mobile multi-stage hydraulic-drive pneumatic spray dust-settling truck is mainly used for far-distance large-range dust settling and removing and firefighting in fugitive emission fields such as tunnel heading, blast mining, loading, crushing and unloading.

The invention discloses an advertising board fixing plate spraying device, and relates to the technical field of advertising equipment. The advertising board fixing plate spraying device comprises a spraying box and an adjusting box, a screw rod is arranged in the adjusting box, a nut is arranged on the surface of the screw rod, a driving motor is arranged on the left side wall of the spraying boxand connected with a rotating shaft through a belt, and the rotating shaft is connected with a crankshaft; a spraying liquid box is arranged on the upper surface of the top wall of the spraying box,a piston cylinder is arranged at the left side of the spraying liquid box, an air blower is arranged in the spraying box, a dust collector is installed at the right side wall of the spraying box, a filter box is arranged below the dust collector, the piston cylinder conveys spraying liquid to a spray head through a liquid inlet pipe and a liquid conveying pipe to spray a metal plate, and the air blower blows away dust on the surface of the metal plate; and the dust collector sucks the dust into the filter box through a dust suction hood and a dust suction pipe to be filtered, and a movable base drives the spray head below to reciprocate in the horizontal direction, so that the spraying range of the metal plate is widened, the spraying efficiency is improved, the spraying quality is higher,and damage to the human body during manual spraying is effectively avoided.

The invention belongs to the field of power distribution cabinets, and especially relates to an outdoor power distribution cabinet with a rapid self-extinguishing function. The cabinet comprises a cabinet body, and a partition plate which is horizontally arranged is fixedly mounted on the inner side wall of the cabinet body; the partition plate divides the cabinet body into a fire extinguishing cavity and a mounting cavity; and the inner side wall of the fire extinguishing cavity is connected with a horizontally-arranged sealing plate in a sealed and sliding mode. The lower surface of the sealing plate is fixedly connected with a partition plate through an elastic air bag. The elastic air bag is filled with a thermal expansion and cold contraction medium, two through holes are formed in the sealing plate, and a vertically-arranged flow guide pipe rotationally penetrates through the partition plate, the flow guide pipe and the two through holes are arranged in a staggered mode, and a threaded rod arranged in the axial direction of the flow guide pipe is arranged in the flow guide pipe. When a fire occurs in the power distribution cabinet, a fire extinguishing agent in the fire extinguishing cavity can be automatically sprayed to electrical equipment in the mounting cavity, so that an automatic fire extinguishing effect is achieved, the fire in the cabinet body can be quickly controlled, and the possibility of economic loss and dangerous accidents is reduced.

The invention discloses a fertilizing and watering device for agricultural Internet of Things and a use method. The fertilizing and watering device comprises a water box, a fertilizer box, a quantifying box, a mixing box and a transmission cavity. The transmission cavity is fixedly installed at the upper end of a base, the upper end of the transmission cavity is fixedly connected with the mixing box through symmetrically-arranged supporting rods, the upper end of the mixing box is communicated with the quantifying box through a second communicating pipe, a second electromagnetic valve is arranged in the second communicating pipe, and the water box and the fertilizer box are arranged at the left end and the right end above the quantifying box respectively. A rotary shaft is arranged in themixing box, and one end of the rotary shaft is rotationally connected to the inner wall of the mixing box. The effects of timely fertilizing, easy and convenient operation and convenient watering areachieved, when the device is used for watering and fertilizing, operation is easy, the power consumption is low, watering and fertilizing can be rapidly achieved, the operation time is shortened, a sprayer is driven to swing up and down when a rotary wheel rotates in a reciprocating mode, and therefore the spraying range of fertilizer or water is widened.

The invention discloses a high-efficient fertilization device for pastures. The high-efficient fertilization device comprises a base, and a spraying box and a stirring box arranged on the base from right to left; a movable frame is arranged at the lower part of an inner cavity of the spraying box; straight tooth surfaces are symmetrically arranged on the left and right inner lateral surfaces of the movable frame, incomplete gears which are meshed with the straight tooth surfaces are arranged in the central positions of the straight tooth surfaces on the two sides; a connecting column is fixed at the top center of the movable frame, a screw rod is rotationally connected to the top of the connecting column, a screw rod sleeve is arranged on the periphery of the screw rod, a cylinder is connected to the top of the screw rod, a piston piece which is matched with the cylinder is arranged in the cylinder, and fixed at the top of the inner cavity of the spraying box through a piston piece connecting rod, a feed pumping hose and a discharging pipe are respectively connected to the left side and the right side of the cylinder, and the feed pumping hose is connected with the stirring box; and damping rollers are arranged at four corners of the bottom of the base. The high-efficient fertilization device disclosed by the invention is wide in fertilizer spraying range and high in fertilization efficiency, and further ingenious in structure and worthy of being popularized and applied.

The invention relates to a grouting manipulator. The grouting manipulator comprises a chassis, a revolving mechanism, an arm support, a spray head device, a hydraulic system and an electric system, wherein the revolving mechanism, the hydraulic system and the electric system are arranged on the chassis; the arm support is hinged to the revolving mechanism, and can be driven to rotate relative to the chassis by using the revolving mechanism; the spray head device is arranged at the front end of the arm support, and is connected with a concrete conveying pipe, a compressed air conveying pipe and a setting accelerator conveying pipe of a wet sprayer; the electric system and the hydraulic system are used for controlling the actions of the arm support and the spray head device. By adopting the grouting manipulator, efficient matching with the wet sprayer is realized, operating personnel can carry out grouting work conveniently, the spray height and position can be adjusted conveniently, heavy labor work of manual holding of a spray head is liberated, the spray range is enlarged, and the construction quality is improved. Compared with a large-sized grouting vehicle, the grouting manipulator has the advantages of simple structure, small size, lower cost, suitability for construction of certain medium and small-section tunnels, and more extensive application occasions.