75results about How to "Change the spraying area" patented technology

The invention discloses a liquid medicine sprayer with an adjustable spraying angle for landscape garden maintenance, comprising a base, a liquid medicine box, a support platform, a support box body, a screw, a lifting sleeve, a fixed sleeve, a swing rod and a nozzle; the screw is rotationally arranged in the support box body the lifting sleeve sleeves the screw in threaded connection manner, first fixed connecting rods are fixedly and symmetrically welded to two ends of the lifting sleeve, the fixed sleeve is fixedly mounted on the lower surface of the middle of a top plate of the support box body, second fixed connecting rods are fixedly and symmetrically welded to two ends of the fixed sleeve, the top end of the swing rod is hinged to the first fixed connecting rods through via holes, the nozzle is arranged at the bottom end of the swing rod, and the middle of the swing rod is connected to the second fixed connecting rods through movable connecting rods. The liquid medicine sprayer is simple in structure and convenient to move, allows liquid medicine to be mixed well, enables the spraying angle of liquid medicine to be conveniently adjusted, has an adjustable spraying range and good spraying uniformity, and is suitable for popularization and use.

The invention discloses a multifunctional pesticide spraying device. The device comprises a baseplate and a mixing box; the mixing box is fixedly installed on the baseplate, a left support and a rightsupport are symmetrically and fixedly installed on the portions, on the left and right sides of the mixing box, on the baseplate, and a first rotation shaft is rotatably installed on the left supportand the right support and rotatably connected with the mixing box; multiple stirring blades are evenly installed on the shaft segment, in the mixing box, of the first rotation shaft; a second rotation shaft is rotatably installed on the left support, an electric push rod is fixedly installed at the upper end of the second rotation shaft, a spray nozzle is fixedly installed at the retractable endof the electric push rod, and the lower end of the second rotation shaft is in transmission connection with the first rotation shaft through a bevel gear set. According to the multifunctional pesticide spraying device, through continuous front and reverse rotation of the first rotation shaft, the stirring blades are driven to stir pesticide in a pesticide box, all components of the pesticide are evenly mixed, the spray nozzle is also driven to swing continuously, so that spraying is evener, the electric push rod is used for driving the spray nozzle to ascend and descend, and the spraying rangeis changed.

The invention provides an agricultural sprinkling irrigation device comprising a pedestal; universal wheels are fixedly mounted on both sides of the bottom of the pedestal, and a motor box is fixedlymounted on the top of the pedestal; a servo motor is installed inside the motor box; a hollow rod is fixedly mounted on a top of the motor box, and a screw rod is disposed inside the hollow rod; one end of the screw rod is connected to the servo motor in a transmission mode sequentially through the hollow rod and the motor box; the outer surface of the screw rod is provided with a first slider, and the first slider is slidably connected to the hollow rod through the sliding rail; spacing rods are arranged on both sides of the screw rod, and the invention relates to the field of agricultural irrigation. The agricultural sprinkling irrigation device is provided with a screw rod, a spring and a servo motor, and the screw rod drives the first slider to move downward, and the pull rope pulls the two second sliders to relatively move in the adjusting device, thereby adjusting the spray range of the sprinkler. The device is easy to operate, saves time and effort, and improves work efficiency.

The invention relates to a liquid spraying rod of an agricultural plant protection unmanned aerial vehicle. The liquid spraying rod comprises a plurality of spraying rod assemblies which are mutually connected in a threaded mode; the spraying rod assemblies located at the two ends of the liquid spraying rod are connected with a plug and a connecting rod in a threaded mode correspondingly, and a ball head is arranged at one end of the connecting rod; liquid flow-through holes which communicate with each other are formed in the spraying rod assemblies, the connecting rod and the ball head correspondingly; each spraying rod assembly comprises a rod body and a spraying head assembly, wherein the outer wall of the rod body is provided with a locating ring; each spraying head assembly comprises a rotating ring and a spraying head connected with the rotating ring; a circle of ring teeth is formed in the circumference of each locating ring; and pawls are further arranged on the inner walls of liquid flow channels. The liquid spraying rod can be connected with the spraying rod assemblies of different numbers so that it can be guaranteed that spraying can be carried out smoothly, normal flight of the unmanned aerial vehicle cannot be affected, and trees and plants cannot be damaged.

The invention relates to a plant-protecting unmanned aerial vehicle used for agriculture. The plant-protecting unmanned aerial vehicle comprises an unmanned aerial vehicle body, a liquid storage box is arranged in the unmanned aerial vehicle body, and two liquid spraying rods are symmetrically connected to the unmanned aerial vehicle body; each liquid spraying rod comprises a plurality of sprayingrod assemblies connected in a threaded mode, and the spraying rod assemblies located at the two ends of each liquid spraying rod are correspondingly connected with a plug head and a connecting rod, aball head is arranged at one end of each connecting rod, and communicated liquid circulating holes are formed in the spraying rod assemblies, the connecting rods and the ball heads; the unmanned aerial vehicle body is provided with a spherical cavity body, the ball heads are installed in the spherical cavity body in an interference mode, and a water outlet hose is further arranged in the unmannedaerial vehicle body; the two ends of the water outlet hose correspondingly communicate with the liquid storage box and the liquid circulating hoes of the ball heads, and the water outlet hose is further provided with an electronic controlling valve; and the spraying rod assemblies comprise rod bodies and spraying head assemblies. According to the plant-protecting unmanned aerial vehicle used foragriculture, the liquid spraying rods can be connected with different number of spraying rod assemblies, so that smooth spraying is guaranteed, and normal flight of the unmanned aerial vehicle is notaffected, and damaging to trees and plants does not occur.

The invention relates to a finish machining process of a plastic processing molded metal part. The finish machining process involves a bottom plate, a conveying belt and a spraying device, wherein theconveying belt is arranged at the upper end of the bottom plate, the spraying device is arranged above the conveying belt, and the lower end of the spraying device is arranged on the bottom plate. According to the finish machining process, the problems that the spraying effect of existing spraying equipment is poor, spraying cannot be matched with the outer surface of the bent metal part, spraying of a coating on the outer surface of the metal part is not uniform and the coating thickness is inconsistent due to unequal distances between a spraying head and the sectional material, the using effect of the existing spraying equipment is poor, the spraying range is usually fixed, the spraying area can be adjusted according to the use requirement, and the spraying efficiency is influenced aresolved, and the finish machining process has the advantages of being good in spraying effect, uniform in spraying uniformity and the like.

The invention discloses a manual integrated pesticide spraying device with an adjustable range. The pesticide spraying device comprises a first base, a second base and a sector gear, wherein a screw is rotationally mounted on the first base; two swivel nuts are in symmetrical threaded connection with the left and right sides of the screw; two movable rods are symmetrically hinged to the left and right sides of the bottom of the second base; the other ends of the movable rods are hinged with the two swivel nuts; two brackets are symmetrically and fixedly mounted on the left and right sides of the second base; a top plate is fixedly mounted on the upper side of the bracket; the sector gear is rotationally mounted on the top plate by virtue of a second rotating shaft; a square frame is mounted at a position, which is positioned on the outer side of the sector gear, of the top plate in a sliding manner; two gears are symmetrically and rotationally mounted at positions, which are positionedon the front and rear sides of the square frame, of the top plate; a spray head is fixedly mounted on one side, which is far away from the square frame, of the gears. According to the device disclosed by the invention, the pesticide spraying range is accurate, and the pesticides are uniformly sprayed, so that the utilization rate of the pesticides is improved.

The invention discloses a method for processing composite paper. The method includes the following steps that (1) paper penetrates through a gap between a guiding roller and a friction roller of a paper supply mechanism, and the surface, making contact with the friction roller, of the paper is subjected to friction of the friction roller to bear burrs and static electricity; (2) a double-way sprayhead of a gluing mechanism sprays an adhesive onto the surface, with the burrs, of the paper, the adhesive is more easily attached onto the paper through the static electricity and the burrs, and a squeezing mechanism squeezes the paper into two-layer paper; and (3) a controller controls a power portion to drive a supporting plate to move downwards, then scraper blades press the two-layer paper on a conveying belt, at the moment, the controller controls the two scraper blades to press, scrape and flatten the two-layer paper from the middle of the supporting plate to the two sides of the supporting plate, when the scraper blades move to the two sides of the supporting plate, the controller controls the power portion to drive the supporting plate to move upwards and simultaneously controlsthe two scraper blades to slide to the middle of the supporting plate. By means of the scheme, the problem that in the prior art, composite paper is not firmly glued and prone to being layered can beeffectively solved.

The invention provides an agricultural machine for plant protection. The agricultural machine comprises a box body and a sprayer; three charging devices are arranged on the box body; the center part of each charging device is penetrated by a rotating rod; the lower side of each rotating rod is provided with a first connecting pipe; a stirring chamber is arranged under the first connecting pipes; afirst one-way valve is arranged at the joint of the stirring chamber and the first connecting pipes; a barrier membrane and stirring blades are arranged inside the stirring chamber; a second connecting pipe is arranged on one side of the stirring chamber; a second one-way valve is arranged at the joint of the second connecting pipe and the stirring chamber; a dredging pipe and a water permeable membrane are arranged at one side of the second one-way valve; the sprayer is arranged on one side of the second connecting pipe; the sprayer comprises a membrane, a blocking port, a water inlet, a rotating shaft, a push rod and a spray head; a third connecting pipe is arranged under the stirring chamber; a one-way membrane is arranged at the joint of the stirring chamber and the third connecting pipe; an air bag is arranged at one side of the third connecting pipe; a press bar is arranged on the air bag; and a pull rod is arranged on one side of the press bar. Through the arrangement of the agricultural machine, pesticide liquids can be effectively mixed, the leakage is prevented, and the environment is protected.

The invention provides a water-saving sprinkler head for landscaping, which includes a main water pipe, a water outlet baffle and a connecting rod. The upper surface of the main water pipe is provided with internally threaded holes and several water outlets, and the upper surface of the main water pipe is provided with internally threaded holes. A water outlet is provided on the lower surface of the water outlet baffle corresponding to the water outlet. The water jetted from the water outlet on the upper surface of the main water pipe flows through the water outlet and then sprays outward. The water outlet flows from the inside to the outside to the top of the water outlet baffle. Upward 0-45°, one end of the connecting rod is provided with an external thread corresponding to the internal thread hole on the upper surface of the water outlet pipe, and the other end is fixedly connected with the water outlet baffle. The water-saving sprinkler head for landscaping according to the present invention uses a water outlet baffle to set a water outlet to change the direction of the water flow sprayed from the water outlet, and changes the spraying angle of the water flow by replacing the water outlet baffle with different upward angles, so as to achieve The purpose of changing the sprayed area.

The invention provides an environment-friendly agricultural spaying device and relates to the field of agricultural machines. The environment-friendly agricultural spaying device comprises a box body;the bottom of the box body is welded with a base; the bottom of the base is welded with bottom plates; a feeding hole is formed in the top of the box body; the side wall of the box body is welded with a drain pipe communicating with the inside of the box body; and a battery box is welded at the top of the base and at the side of the box body. According to the environment-friendly agricultural spaying device, an electric telescopic rod stretches to drive a rack to horizontally move, so that a gear meshed with the rack rotates, a water pipe erected on the top of a semicircular clamping block moves left and right, water mist sprayed from a nozzle can swing left and right, and it is convenient to spray a pesticide on crops within a large range; meanwhile, the inclination angle of an inclinedplate can be controlled by rotatably regulating the length of a screw rod inside a regulating screw cylinder, so that the spray angle and range of the spray mist can be regulated; and the water pipe can be taken down from the semicircular clamping block, manual local spray can be performed, and a sprayed region is covered, so that the spray is more precise.

The invention discloses pesticide spraying equipment with an anti-freezing function for garden gardening. The pesticide spraying equipment comprises a base, wherein a supporting shell is fixed to the top of the base, a pesticide liquid box is fixed to the top of the supporting shell, a spraying mechanism capable of adjusting the spraying range is arranged at the top of the pesticide liquid box, a heat generating mechanism and a driving mechanism used for driving the spraying mechanism to swing are arranged in the supporting shell, a lifting mechanism is arranged at the inner bottom of the supporting shell below the heat generating mechanism, the heat generating mechanism comprises a sliding frame, the sliding frame is vertically and slidably mounted on the inner side wall of the supporting shell, a friction plate and a moving plate are horizontally and slidably installed on the inner wall of the sliding frame, and springs are fixed to the opposite faces of the friction plate and the moving plate. According to the pesticide spraying equipment, by arranging the heat generation mechanism, the driving mechanism and the lifting mechanism, the effect of dynamic heat generation is achieved through temperature changes, and then the effect of preventing pesticide water from freezing is achieved.

The invention discloses an intelligent agricultural unmanned aerial vehicle pesticide spraying device. The intelligent agricultural unmanned aerial vehicle pesticide spraying device comprises an unmanned aerial vehicle body, two vacuum suction cups are symmetrically installed at the lower end of the unmanned aerial vehicle body, hook plates are symmetrically hinged to the lower end of the unmanned aerial vehicle body, the two hook plates are located on the two sides of the vacuum suction cups, the sides, close to the vacuum suction cups, of the hook plates and the lower end of the unmanned aerial vehicle body are jointly and fixedly connected with an arc-shaped tension spring, the two vacuum suction cups are jointly provided with a flat plate in an adsorbing mode, the two sides of the flat plate are both fixedly connected with clamping plates connected with the hook plates in a clamped mode, the lower end of the flat plate is symmetrically and fixedly connected with two supporting columns, the lower ends of the two supporting columns are jointly and fixedly connected with a pesticide box, and a double-shaft motor is fixedly installed on the inner top wall of the pesticide box. The intelligent agricultural unmanned aerial vehicle pesticide spraying device has the advantages that the intelligent agricultural unmanned aerial vehicle pesticide spraying device is convenient to disassemble and assemble, the gravity center balance is maintained, the situation of air crash caused by imbalance due to inertia are avoided, in addition, the spraying range can be adjusted, and the situation of waste caused by direct spraying on the ground is avoided.

The invention discloses a double-body paddle-wing fungicide spraying ship and an operation method thereof. The Double-body paddle-wing fungicide spraying ship comprises a ship body, a fungicide box, a paddle-wing spraying device, a driving device and a control device, wherein the fungicide box is fixedly mounted on the ship body; the paddle spraying device and the driving device are mounted at the rear end of the ship body; the paddle spraying device is rotationally connected with the driving device; the fungicide box is connected with the input end of a spraying device main body in the paddle wing spraying device through a connecting pipeline; the paddle wings are slidably connected with the output end of the spraying device body, and a plurality of spraying holes are evenly distributed in the surfaces of the paddle wings. The control device is electrically connected with the paddle wing spraying device and the driving device. According to the invention, the control device is matched with the driving device, so that automatic cruise and detection of related data in different environments are realized; meanwhile, the control device controls the hydraulic pump to output different pressures in water areas with different pollution degrees, so that the paddle wing spraying device accurately and quantitatively feeds the fungicide under the action of the hydraulic pump; and therefore, the working efficiency is improved, and the labor cost is reduced.

the invention relates to a water-saving irrigation system for garden landscape. The garden landscape comprises planting soil and greening plants, and the irrigation system comprises a gravel layer laid under the planting soil, a rainwater collecting unit arranged under the gravel layer, a reservoir connected with the rainwater collecting unit, a water spraying unit connected with the reservoir, and a control unit used for controlling the water spraying unit to spray water. Compared with the prior art, the irrigation system has the advantages that rainwater is used for irrigation through the arrangement of the rainwater collecting unit, so that a water-saving effect is achieved, and irrigation water quality is good; the direction of a water flow sprayed out from a water outlet is changed byarranging water outlet grooves in a water outlet baffle, and the spraying angle of the water flow is changed through replacement with water outlet baffles with different lifting angles, so that a purpose of changing the spraying area is achieved, and more water is saved.

The invention discloses a rotatable dust-settling spraying device for a construction site. The rotatable dust-settling spraying device comprises a supporting sliding plate, adjustable ground rods, a loading plate, a sleeve, a rotary spraying drum and a driving unit, wherein the supporting sliding plate is of a circular plate-like structure; the surface of the supporting sliding plate is fixedly connected with support rods; the bottom ends of the support rods are hinged with the adjustable ground rods; the surfaces of the support rods and the adjustable ground rods are fixedly connected with connecting blocks; the outer sides of the connecting blocks are buckled with buckle plates; the top ends of the support rods are fixedly connected with the bottom surface of the loading plate; a plurality of enclosure rods are fixedly connected with the surface of the loading plate; the top ends of the plurality of enclosure rods are fixedly connected with the bottom end of an annular overlapping plate; the rotary spraying drum rotates under the driving by the driving unit so as to achieve regional spraying and improve dust-settling spraying efficiency, and better dust-settling effect is obtained; and a multi-gear motor is employed as a driving motor, so a spraying range can be adjusted through the adjustment of rotation speeds and cooperation with a water pump.

The invention discloses a novel carbon dioxide fire extinguishing structure which comprises a rail; a plurality of fire source detectors are uniformly distributed on the outer wall of the rail; a sliding plate is in sliding fit with the rail; a mounting plate is connected with the upper side wall of the sliding plate; a carbon dioxide fire extinguisher is fixed to the mounting plate through a mounting mechanism; a transverse plate is fixedly connected with the outer wall of the carbon dioxide fire extinguisher; a frame body on the outer side of the upper end of the carbon dioxide fire extinguisher is rotatably connected with the upper side wall of the transverse plate; a telescopic rod is fixedly embedded to the upper side wall of the frame body; the output end of the carbon dioxide fire extinguisher is connected with a sprayer through a duct; and a guide rod is fixedly connected with the upper side wall of the mounting plate. The novel carbon dioxide fire extinguishing structure detects a fire source position, moves the carbon dioxide fire extinguisher to the position, starts the carbon dioxide fire extinguisher, swings the carbon dioxide fire extinguisher, moves the sprayer up and down and changes the left-right and up-down spraying range of the sprayer to automatically extinguish fire at a fire disaster position.

The invention discloses a pesticide spraying device used for an unmanned aerial vehicle. The unmanned aerial vehicle is included, a pesticide box is fixedly installed at the bottom of the unmanned aerial vehicle, and two fixed blocks are fixedly installed at the bottom of the pesticide box; grooves are formed in the bottoms of the two fixed blocks, rotary blocks are rotatably installed in the twogrooves, and control boxes are fixedly installed at the bottoms of the two rotary blocks; water pumps are fixedly installed on the top inner walls of the two control boxes, water inlet pipes of the two water pumps are fixedly installed on the pesticide box, and fixed pipes are fixedly installed on the bottom inner walls of the two control boxes. The pesticide spraying device is simple in structureand convenient to operate, spraying pipes are divided into two sets to greatly reduce pesticide loss, a motor can drive the spraying pipes to rotate so as to spray pesticide, and spraying gaps are avoided; the spraying uniformity is improved, a linear actuator can adjust the spreading angle of spraying heads on the spraying pipes to change the spraying range, and spraying blind angles are avoided.

The invention discloses precise-amount pesticide spraying equipment which comprises a vehicle body, a pesticide bucket arranged on the vehicle body and a spraying device communicated with the pesticide bucket. The vehicle body comprises vehicles capable of moving back and forth and a driving member for driving the wheels to move back and forth, the spraying device comprises a pesticide applying structure for spraying pesticide to crops, a pesticide feeding structure for conveying pesticide for the pesticide applying structure and an opening and closing structure for controlling the pesticide applying structure to precisely spray the pesticide to each plant. By arranging the pesticide applying structure, the pesticide feeding structure and the opening and closing structure, pesticide liquidin the pesticide bucket can be automatically sprayed onto each crop plant accurately and quantitatively without manual operation, so that the equipment is convenient, quick, time-saving, labor-savingand free of pesticide waste and environment pollution caused by the fact that the pesticide is sprayed to empty places.

The invention provides an all-directional sprinkling irrigation device for agricultural hydraulic engineering. The device includes a baseplate, an oil cylinder and a base are arranged on the baseplate, a spiral rod is vertically arranged on the base, and an upper bracket and a lower bracket are also arranged on the baseplate; two support rods are arranged between the upper bracket and the lower bracket and hinged to each other, the two ends of each support rod are connected to the two sides of the upper and lower brackets respectively, the upper bracket includes a supporting plate, and the supporting plate is provided with a first slide rail which is internally provided with a slidable bearing with a pedestal; a spiral rod nut is arranged on the upper surface of the bearing with the pedestal, the spiral rod nut and the bearing with the pedestal sleeve the spiral rod, an annular water pipe is fixed to the outer wall of the spiral rod nut, a sprinkler is connected to the annular water pipe, the lower bracket is fixed to the baseplate, and a connecting rod is arranged between the support rods connected with the two sides of the lower bracket and connected with the oil cylinder. The sprinkler rotates around the spiral rod to carry out sprinkling irrigation, the sprinkling irrigation height can be changed at the same time, and the purpose of all-directional uniform irrigation is achieved.

The invention relates to a wing angle-adjustable unmanned aerial vehicle which is used for spraying vegetation with liquid. The wing angle-adjustable unmanned aerial vehicle comprises a fuselage, a pair of fixed wings, a pair of first rotating wings, a pair of second rotating wings, a pair of spraying guns and a container, wherein the fixed wings are positioned on the two sides of the fuselage andare parallel to each other; wing rotating shafts are arranged at the ends, away from the fuselage, of the fixed wings; the first rotating wings are connected with the wing rotating shafts; the firstrotating wings can downwardly rotate around the wing rotating shafts; the second rotating wings are connected with the ends of the first rotating wings and are positioned on one sides away from the fixed wings; the second rotating wings are parallel to the fixed wings; the spraying guns are mounted inside the first rotating wings; the container is mounted at a gravity center of the fuselage; conduits are directly connected between the container and the spraying guns. The wing angle-adjustable unmanned aerial vehicle can change the rotation angles of the first rotating wings according to the width of the vegetation required to be sprayed with the liquid, so that the spraying ranges of the spraying guns can correspond to the width of the vegetation required to be sprayed, and back-and-forthrepeated vegetation spraying is avoided.

The invention discloses anatomization device based on a Venturi principle and dust falling equipment. The atomization device comprises a mounting plate and an atomization mechanism, the atomization mechanism comprises a shell, air outlet pipes and a water spraying pipe, the lower end of the shell is open, the water spraying pipe is fixedly mounted in the center of the shell, and the multiple air outlet pipes are evenly mounted on the portion, located on the peripheral side of the water spraying pipe, of the shell; the air outlet pipes are sequentially provided with wide opening sections, narrow opening sections and air outlet sections in the air flowing direction, the width of the wide opening section is larger than that of the air outlet section and is larger than that of the narrow opening section, and the air outlet sections of the air outlet pipes are communicated to form an air cover wrapping the outer sides of the water spraying pipes. The water spraying pipe is fixedly installedin the center of the shell, the multiple air outlet pipes are evenly installed on the shell and located on the peripheral side of the water spraying pipe, the air outlet sections of the air outlet pipes are communicated to form the air cover wrapping the outer side of the water spraying pipe, air is accelerated under the action of the Venturi effect when flowing along the air outlet pipes, and meanwhile pressure difference is formed at the two ends of each air outlet pipe; fog drops sprayed out of the water spraying pipe are adsorbed, fog drop drifting is avoided, and water resource waste isreduced.

The invention discloses a sprinkling device for gardens with adjustable spraying range and uniform spraying. A first motor is connected, and the output shaft of the first motor is fixedly connected with a storage barrel, and a water storage bucket is arranged in the storage barrel, and a water pump is arranged inside the water storage bucket, and the outlet end of the water pump is fixedly connected with one end of the water delivery pipe. The sprinkling device for gardens with adjustable spraying range and uniform spraying can make the range of spraying water from the spouting port adjustable by setting the second motor, threaded column, threaded cap, slider, chute, fixed block and cylinder Increase and decrease, so that the sprinkling device can adjust the sprinkling range. By setting the first motor and the storage tube, the sprinkling device can sprinkle water evenly, so that the use of the sprinkling device is more convenient and practical, thereby reducing garden management. the labor intensity of the worker.

The invention discloses a small agricultural mechanical irrigation device which structurally comprises universal trundles, a base plate, solar cell panels, a top cover, an electric push rod, a spray head row, an agricultural automatic irrigation device, a controller, a U-shaped push frame, a water pipe threaded connector and a water pipe. Two sides of the agricultural automatic irrigation device are provided with the solar cell panels, and an electric push rod is arranged at the top of the top cover and is in interference fit with the electric push rod. when the water pipe threaded connector is connected with a water inlet connector, an automatic water feeding mechanism works, automatic water feeding is achieved, the irrigation efficiency is greatly improved, water is pressurized and output through cooperation of an upper water output mechanism and a lower water output mechanism, the spraying range of the spray head row can be changed by adjusting the height of the electric push rod, irrigation water amount is greatly decreased, ices on an internal pipeline of the device and a water tank can be automatically thawed at low temperature in winter, and the phenomenon of icing of waterdelivery pipelines and water tanks in the north in winter is effectively prevented.

The invention relates to a pesticide spraying device for a fruit planting frame and capable of adjusting a spraying range, comprising planting frames, walking support plates, walking mechanisms, rotating support mechanisms and spraying mechanisms, the planting frames are arranged on the ground at equal intervals, a walkway is reserved between adjacent planting frames, the walking support plates are fixed on the lower parts of opposite sides of the planting frames, the length direction of the walking support plates is consistent with the length direction of the planting frames, the walking mechanisms can walk in the length direction of the walking support plates, the rotating support mechanisms are arranged on the walking mechanisms, and the spraying mechanisms are arranged on the rotatingsupport mechanisms and can walk along with the walking mechanisms. The pesticide spraying device of the invention has a simple structure and is suitable for popularization and use.

The invention discloses remotely controllable agricultural plant protection equipment. The equipment comprises a bottom plate; a water bucket is fixedly connected to one side of the top of the bottomplate; vertical plates are fixedly connected to the front face and the back face of the other side of the top of the bottom plate; a box body is fixedly connected between the tops of the two verticalplates; a protection box is fixedly connected to one side of the box body; one side of the inner wall of the protection box is fixedly connected with a first motor; and the output end of the first motor is fixedly connected with a bidirectional threaded rod. The invention relates to the technical field of agricultural equipment. According to the remotely controllable agricultural plant protectionequipment, the water bucket is fixedly connected to one side of the top of the bottom plate, so that two or three rows of crops on a ridge can be sprayed more uniformly; a top box is fixedly connectedto the top of the water bucket, so that the whole equipment can irrigate and spray pesticide to crops; and a mixing device is arranged, so that the pesticide can be mixed, and the pesticide and waterare mixed more uniformly.

The invention relates to the technical field of concrete wall surface water spraying maintenance, in particular to an automatic concrete member maintenance device which comprises a water inlet pipe, an adjusting assembly, a clamping assembly and a lifting assembly.The automatic concrete member maintenance device has the beneficial effects that through cooperation of a vertical pipe and a spray head, water spraying maintenance on a vertical wall surface is achieved; meanwhile, rotation adjustment of the spray head is achieved through the adjusting assembly, the rotation angle of the spray head is fixed through the clamping assembly, the purpose of conveniently adjusting the rotation angle of the spray head is achieved in cooperation with the lifting assembly, and therefore the spraying range of the spray head is adjusted, and manual pipeline dragging is avoided; and the coverage degree and efficiency of wall maintenance are improved by increasing the spraying range.

The invention discloses environment-friendly sprinkling equipment and method for dust fall in building engineering construction, and relates to the technical field of building engineering. According to the environment-friendly sprinkling equipment and method for dust fall in building engineering construction, a second telescopic rod is stretched through a control switch, a water spraying connector is placed into a cleaning groove, then a third motor is started through the control switch, a gear is connected with a cleaning disc in a meshed mode to rotate, dust outside the water spraying connector is cleaned through a cleaning brush, a third motor drives a rotating disc while the gear is rotated, a tooth block at the top of the rotating disc drives an annular rotating ring to rotate through meshing connection, and an annular rack rotates a sprinkling cover, so the cleaning disc can be driven through the gear, the cleaning brush in the cleaning disc cleans dust outside the water spraying connector, and the situation that a nozzle of a sprinkling pipe is blocked by the dust is prevented; and meanwhile, the annular rack at the top of the annular rotating ring drives the sprinkling cover to rotate through the gear ring, so that different sprinkling pipes are rotated, and different spraying densities are adjusted.

The invention relates to the technical field of garden management, in particular to a spraying range-adjustable sprayer for garden landscape design, which comprises a sprayer main body, a fixed shaft is fixedly mounted in the sprayer main body, a spray head is rotatably mounted on the fixed shaft, a sliding cavity is formed in the spray head, a telescopic head is slidably mounted in the sliding cavity, and the telescopic head is rotatably mounted on the fixed shaft. The telescopic head is connected to the lead screw pair through threads, a nozzle structure with the aperture adjustable function is installed on the telescopic head, a telescopic pipe is fixedly connected to the nozzle structure and connected to a water inlet groove of the sprayer body, a half gear is arranged on the nozzle, a lifting frame is installed in the sprayer body in a sliding mode, and the lifting frame is fixedly connected to the nozzle structure. The lifting frame is fixedly connected with a telescopic rod and a rack. The adjustable range of the nozzle structure is very wide, irrigation dead angles can be effectively prevented, and it is guaranteed that landscape plants in a garden are in a good soil humidity environment.

The invention belongs to the field of underground pipeline machining equipment, and particularly relates to an urban underground pipeline spraying anti-corrosion device. The device comprises a lower moving track and an upper moving track, two oppositely-arranged moving seats are arranged on the lower moving track, and fixing mechanisms for fixing a pipeline are arranged on the moving seats. A material spraying mechanism is arranged on the upper moving track, and a first control valve and a second control valve which are used for controlling the material spraying speed are arranged in the material spraying mechanism. The material spraying speed and the material spraying range of a spray head are changed through the rotating speed of the pipeline, the moving speed of the spray head and the distance between the spray head and the pipeline, then automatic adjustment can be achieved in the process, and the spraying uniformity of the pipeline can be accurately ensured without operation of personnel; and therefore, the pipeline has a better spraying effect.