81results about How to "Expand the range of water spray" patented technology

The invention relates to an unmanned aerial vehicle capable of improving the fire extinguishing efficiency for high-rise fire fighting. The unmanned aerial vehicle comprises a vehicle body, a propeller, a bracket, a water gun and a camera, wherein an adjusting device and a fixing device are also arranged in the vehicle body; the adjusting device comprises a lifting mechanism and a steering mechanism; and the fixing device comprises two fixing mechanisms. According to the unmanned aerial vehicle capable of improving the fire extinguishing efficiency for high-rise fire fighting, the water gun is driven to move through the adjusting device, the spraying direction of the water gun can be continuously changed up and down or left and right, the spraying range of the water gun is expanded and the unmanned aerial vehicle is capable of continuously spraying water towards a plurality of directions while flying, so that the fire extinguishing efficiency is improved; and meanwhile, the water gun is fixed on the vehicle body through the fixing device, the fixing device is started and the water gun can be directly taken down when the water gun needs to be taken down from the vehicle body, and parts do not need to be dismantled, so that time and labor are saved.

The invention relates to air purification equipment with a good formaldehyde treatment effect. The equipment comprises a main body, a fixed box, a filter cartridge, a protective shell, an ultravioletlamp, an air pump, an air inlet pipe and an air outlet pipe, the equipment further comprises an impurity removing mechanism and two formaldehyde removing mechanisms. Each formaldehyde removing mechanism comprises a power assembly, a connecting box, a nozzle, a reciprocating assembly, an air cylinder, a piston, a connecting pipe and a hose. The impurity removing mechanism comprises a scraping plateand two lifting assemblies. According to the air purification equipment with a good formaldehyde treatment effect, by means of the formaldehyde removing mechanisms, water is sprayed into the filter cartridge to achieve the formaldehyde removal function, formaldehyde removal work is conducted on the air in two different modes, the formaldehyde removal effect is improved, the practicability of theequipment is improved, and dust adhering to the inner wall of the filter cartridge can be scraped off through the impurity removing mechanism, therefore the blockage probability of the filter cartridge is reduced, and the practicability of the equipment is improved.

The invention belongs to the technical field of building construction, and particularly relates to a spray dust falling and cooling device for a building construction working face. A scheme is provided in order to solve the problem that the dust falling and cooling range of an existing dust falling and cooling device is small. According to the scheme, the spray dust falling and cooling device comprises a corrugated water guide pipe; a water distributing pipe is arranged at the top of the corrugated water guide pipe, and a first opening is formed in the outer wall of the center of the bottom ofthe water distributing pipe; the inner wall of the first opening is connected with the outer wall of the top of the periphery of the corrugated water guide pipe through a bearing; and a rotary rod isfixedly installed on the inner wall of the center of the top of the water distributing pipe, and an auger blade is fixedly installed on the outer wall of the periphery of the rotary rod. According tothe spray dust falling and cooling device for the building construction working face, by arranging three telescopic sleeves and arranging electric guide rails and electric sliding blocks between theadjacent telescopic sleeves, the electric sliding blocks can drive the telescopic sleeves to stretch out and draw back, then the spraying height of the device can be effectively increased, and the dust falling and cooling range is enlarged.

The invention relates to fire extinguishing auxiliary equipment, in particular to low-floor fire extinguishing auxiliary equipment for firefighting. The low-floor fire extinguishing auxiliary equipment for firefighting can adjust the height and the water spraying angle, and a nozzle is not required to be held by hands. The low-floor fire extinguishing auxiliary equipment for firefighting comprisesa bottom plate, wheels, a first sliding rail, a first sliding block, a second sliding rail, a second sliding block, a first screw rod, a first nut, a rack, a second screw rod and the like; the four wheels are symmetrically mounted on the lower side of the bottom plate, and the upper side of the bottom plate is connected with the first sliding rail through bolts; and the first sliding rail is internally and slidably connected with the first sliding block, and the upper end of the first sliding block is connected with the second siding rail. The low-floor fire extinguishing auxiliary equipmentachieves the effects that the height and the water spraying angle are adjustable, and hand holding is not required; and the nozzle is fixed to a fixing block, so that the nozzle is not required to beheld by a person, the height of the nozzle is adjusted by rotating a wheel disc, and the water spraying range of the nozzle is increased.

The invention discloses a cross flow type cooling tower for a central air conditioner. The cross flow type cooling tower comprises an air barrel, a tower body and a water receiving disc, wherein the air barrel is mounted above the tower body and is internally provided with a motor rack; a motor is mounted on the motor rack; the motor is connected with a draught fan through a speed-reducing box body; a draught fan silencer is mounted above the air barrel, and a water distribution pipe is mounted in the tower body and is connected with a water inlet pipe; a plurality of nozzles are mounted on the water distribution pipe; a combined type water sputtering disc is mounted under each nozzle; a packing net is mounted in the tower body and water spraying packing is arranged on the packing net; an air inlet window is mounted under the packing net; a plurality of air inlet blinds are mounted on the air inlet window and the water receiving disc is mounted at the bottom of the air inlet window; a water collection tank is mounted on the water receiving disc; and a sound insulation screen is mounted on the outer side of the water receiving disc. According to the cross flow type cooling tower, hot water sprayed out from the water distribution pipe is in sufficient contact with the water spraying packing, so that the cooling efficiency is improved; and meanwhile, the cooling tower has a good noise reduction effect and has the relatively slight noise pollution to the environment.

The invention discloses an agricultural planting irrigation device comprising a water pump (1). A water outlet of the water pump (1) is communicated with a water conveying pipe (2), and one side of the water pump (1) is provided with a mixing box (3). One end of the water conveying pipe (2) is disposed inside the mixing box (3), a partition (4) is disposed inside the mixing box (3), and the bottomof an inner cavity of the mixing box (3) is provided with a first motor (5). According to the agricultural planting irrigation device, the problem of excessive waste of manpower and material resources and uneven irrigation of conventional agricultural planting irrigation devices are solved.

The invention relates to a floor cleaning device, in particular to a floor cleaning device for engineering. The technical problem to be solved by the invention is to provide a floor cleaning device which has fast cleaning speed, clean sweeping and convenient movement for engineering. In order to solve the above technical problem, the invention provides such a floor cleaning device for engineeringwhich comprises a bottom plate, a pusher, a wheel carrier, a wheel, a percussion device, a sweeping device, a collection box and a baffle, wherein the pusher is arranged on the top of the right side of the bottom plate, the percussion device is arranged on the top of the left side of the bottom plate, the wheel carrier in bilateral symmetry is arranged at the bottom of the bottom plate, the wheelis arranged at the bottom of the wheel carrier, the collection box is arranged on the right side of the bottom of the bottom plate, a feeding inlet is formed in the upper part of the left side of thecollection box, and the baffle is arranged on the left side of the bottom of the collection box. The floor cleaning device for engineering achieves the effects of high cleaning speed, clean sweeping and convenient movement. The device adopts manual control of sweeping, so that the sweeping is cleaner, the sweeping speed is faster, the accuracy is high, and the operation is relatively simple.

The invention relates to a warning device, in particular to a landslide safety warning device used for a geological disaster. In order to achieve the technical purpose, the landslide safety warning device used for the geological disaster is provided and can be moved, a warning effect is good, and a warning slogan is unlikely to be blurred. In order to achieve the above technical purpose, the landslide safety warning device used for the geological disaster is provided and comprises a bottom board and the like. Wheels are installed on the periphery of the bottom of the bottom board, a strut is connected to the middle portion of the top of the bottom board, a frame is connected to the top end of the strut, a drive device is installed on the upper portion of the left side in the frame, a rotation device is installed at the top of the frame, a rotation component of the rotation device is located on the upper portion in the frame, and the rotation device and the drive device are matched. Thedrive device is started to work so as to drive the rotation component of the rotation device to rotate, the warning device works, people are warned of the front landslide so as to pay attention to safety, and therefore the effects that the warning effect is improved, operation is easy, and the warning slogan is unlikely to be blurred are achieved.

The invention relates to a robot, in particular to an intelligent robot for watering flowers in the park. The intelligent robot for watering flowers in the park is high in flower watering speed. In order to solve the technical problem, the intelligent robot for watering flowers in the park comprises a water tank, a sprayer, a lifting rod, a first sliding rail, a first sliding block, a hose, a water pump, a first electric wheel, a first pulling rope, a second sliding block, a hinged part and the like. A first support rod is connected to the left side of the top of a base in a bolted connection mode. The water tank and a second sliding rail are connected to the right side of the first support rod in a bolted connection mode. The water tank is located above the second sliding rail. By the adoption of the intelligent robot, the effect of being high in flower watering speed is achieved; due to the arrangement of a rotating motor, the water spraying range of the sprayer is further widened, and thus working efficiency is improved; and a second support rod and an illuminating lamp are also arranged.

The invention relates to a billboard with a good display effect and a cleaning function, which comprises a supporting column, and further comprises a display mechanism and a cleaning mechanism. The display mechanism comprises a first driving assembly, a connecting column, a driving roller, a driven roller, a conveyor belt, two mounting plates and four connecting assemblies. The cleaning mechanismcomprises a supporting rod, a second driving assembly, a transmission rod, a second water pipe, a nozzle and a water supply assembly. Each of the connecting assemblies comprises a sliding rod, a spring and a movable sleeve. The first driving assembly comprises a first motor, a first gear and a second gear. In the billboard with a good display effect and a cleaning function, advertisement paper posted on the mechanism through the display mechanism can circularly move for expanding display range of the mechanism and improving display effect of the billboard. Acidic rainwater on the advertisementpaper can be diluted through the cleaning mechanism, thereby reducing corrosion speed of the advertisement paper and further improving THE display effect of the billboard.

The invention relates to a water spraying device, in particular to portable water spray equipment used for a large municipal flower bed. The technical problem to be solved is to provide the portable water spray equipment used for the large municipal flower bed, through the equipment, underground water can be quickly extracted for irrigating the flower bed, plants different in height can be effectively watered, and the equipment can be automatically controlled to stop water pumping. According to the technical scheme, the portable water spray equipment used for the large municipal flower bed isprovided and includes an installation frame and the like. The left side of the bottom in the installation frame is symmetrically provided with first support rods left and right, the tops of the left and right first support rods are provided with a water tank, the left side of the top of the installation frame is provided with a water pumping device, and the right side of the top of the installation frame is provided with a water spray device. Through the cooperation of the a first one-way valve and a second one-way valve, the correct flowing direction of underground water is ensured, underground water reflux is prevented, through the cooperation of a stroke switch on the upper side and a stroke switch on the lower side, the height of a nozzle can repeatedly move up and down, and the waterspray range of the equipment is increased.

The invention discloses a waste recovery mechanism of a hardware building material grinding device and a working method of the waste recovery mechanism. The waste recovery mechanism comprises a grinding machine body, wherein a recovery assembly is fixed in the top end of the grinding machine body, a cleaning tank is formed in the bottom end of the grinding machine body, and a filtering assembly is fixed in one side of the cleaning tank; a cleaning assembly is fixed in one side of the cleaning tank; and the recovery assembly comprises feeding holes distributed in the top end of the plate surface of the grinding machine body, a mounting groove is formed in the part, located at the bottom ends of the feeding holes, of the grinding machine body, and a feeding plate is mounted in one side of the mounting groove. According to the waste recovery device, waste can be automatically recovered through the recovery device, manual assistance is not needed, the recovery efficiency is improved, the workload of workers is reduced, and the working efficiency is improved; and the waste can be cleaned more comprehensively through the cleaning device, dust on the waste can be cleaned conveniently, and the recovered waste can be directly used conveniently.

The invention discloses an intelligent passageway smoke alarming fire extinguishing terminal. The terminal comprises a wall body and an annular cavity located in the wall body, wherein a driving mechanism for providing power for the device operation is arranged in the wall body, a jetting mechanism controlled by the driving mechanism to move is arranged on the lower side of the wall body, and thedriving mechanism and the jetting mechanism are driven by a lifting mechanism; the jetting mechanism comprises a main runner, two telescopic springs, an annular plate, four L-shaped rods, an annular block, four lifting blocks and a jetting block, wherein the main runner penetrating through the jetting block is arranged in the jetting block, a circular ring cavity formed by taking the main runner as a center is arranged in the jetting block, and an annular groove communicating with the circular cavity is further formed in the inner wall of the circular ring cavity. The terminal can be used forjetting water in all directions to extinguish fire during working, and can be used for intensively pressurizing and jetting the jetted water in all directions according to requirements; and the jetting angle is adjustable, so that intensive fire extinguishing is facilitated, the water jetting range is increased, and an escape person is easy to escape.

The invention belongs to the field of machinery and particularly relates to mechanical agricultural watering equipment. The provided mechanical agricultural watering equipment aims at achieving the technical purpose that water is unlikely to be splashed on people and can be uniformly poured on crops. The mechanical agricultural watering equipment is characterized by comprising connecting blocks, afirst insertion rod, a spring, a first bearing base, a screw rod, a nut, a sliding rail, a sliding block, a second insertion rod, a rocking rod, a second bearing base, an outer retractable rod and the like; a through hole is formed in the middle of the connecting block on the left side, the first insertion rod is arranged in the through hole, the spring sleeves the first insertion rod, the bottomof the spring is connected to the top of the connecting block on the left side, the first insertion rod is connected to the top of the spring, and a guide hole is formed in the upper portion of the connecting block on the right side. According to the mechanical agricultural watering equipment, forward and backward rotation of a motor can drive the screw rod to rotate forward and backward, manualoperation is replaced for alternately rotating the rocking rod forward and backward, and forward and backward rotation of the motor can also drive a nozzle to rotate forward and backward, so that theeffect that the water is unlikely to be splashed on people and can be uniformly poured on the crops is achieved.

The invention relates to the technical field of sponge cities, in particular to a sponge city road greening isolation belt green space system which comprises an outer box and an inner box. The inner box is fixedly arranged in the outer box, plants are cultivated in the inner box, water inlets are symmetrically formed in the outer side wall of the outer box in a penetrating manner, and first flow guide plates are arranged on the outer side wall of the outer box and located below the water inlets; and a water collecting tank is fixedly arranged in the outer tank and located below the inner tank,second guide plates are fixedly arranged between the top end of the water collecting tank and the water inlets, a water pump communicates with the exterior of the water collecting tank, and a nozzlecommunicating with the water pump is arranged in the inner box. The sponge city road greening isolation belt green space system has the effects that the plants in an isolation belt can be convenientlymaintained, the labor intensity of workers is reduced, and rainwater resources are subjected to component utilization.

The invention relates to monitoring equipment, in particular to garden fireproof intelligent monitoring equipment. The technical problem to be solved is to provide the garden fireproof intelligent monitoring equipment, which can automatically sense the occurrence of a fire hazard and automatically spray water. The garden fireproof intelligent monitoring equipment comprises a supporting base, a first supporting column, a second supporting column, a buzzer and a temperature sensor, wherein the first supporting column is arranged at the top of the supporting base, the second supporting column is arranged in the middle of the top of the first supporting column, the buzzer and the temperature sensor are arranged on the second supporting column, and the temperature sensor is located on the upper side of the buzzer. When the temperature sensor detects that the temperature in the air is higher than a rated value, the temperature sensor sends out a signal, the control module receives the signal and controls the buzzer and the water pump to start, and the buzzer makes a sound, so that a fire disaster can be found in time, and nearby people are prompted to fight the fire.

The invention relates to the technical field of environment purification devices, and discloses an air environment purification device for a construction site. The device comprises a base; the upper end of the base is fixedly connected with the box; a vertically-arranged partition plate is fixedly arranged in the box body and divides the box body into a water cavity and a dust collecting cavity. Awater pump is fixedly arranged in the water cavity, the upper end of the water pump is fixedly connected with a water spraying pipe, the upper end of the water spraying pipe penetrates through the upper side wall of the water cavity and extends outwards, and one end, located outside the box body, of the water spraying pipe is fixedly connected with a nozzle; a vertically-arranged first vertical rod is fixedly connected to the right side of the upper end of the box body, a first transverse rod is rotationally connected to the upper end of the first vertical rod through a first shaft pin, and afirst electric push rod is arranged between the first vertical rod and the first transverse rod. By combining watering and dust collection, the device can quickly clean dust in air, the purificationefficiency of the air environment is improved, and it is avoided that people inhale dust, and body health is affected. Water resource waste is reduced, and the use cost is reduced.

The invention provides a fireproof door for building automation, and relates to the field of building automation. The fireproof door for building automation comprises a door frame, a door sheet and asupporting plate body, wherein the door frame is fixedly installed inside the supporting plate body, the door sheet is hinged to the interior of the door frame through hinges, a smoke alarm is fixedlyinstalled on the outer wall of one side of the front face of the door frame, a built-in groove is formed inside the door frame, water tanks are fixedly installed on the inner walls of the left side and the right side of the built-in groove, and a small water pump is fixedly installed on one side of each water tank. According to the fireproof door for building automation, when a fire disaster occurs, the smoke alarm senses smoke, receives a fire disaster signal and transmits the fire disaster signal to a PLC, the PLC controls the small water pumps to be started, water in the water tanks is pumped out to be sprayed to the door sheet, the door sheet is soaked, the fireproof performance of the door sheet is improved, and the sprayed water can slow down the fire behavior to a certain extent, so that the safety performance is improved.

The invention discloses a movable culvert cleaning device. The cleaning device comprises a bottom plate, a water spraying mechanism and a moving mechanism, the water spraying mechanism and the movingmechanism are arranged on the bottom plate, a controller controls a first motor to further control a telescopic shaft to stretch out and draw back, and rollers are connected to the outer side of the telescopic shaft, and the rollers rotate to drive the device to move, so that the device moves along the top of a culvert. The device is suitable for culverts of various types, especially culverts withmuch accumulated water at the lower part, small internal space and the like, and workers are not easy to work or cannot work. Rotating wheel shafts are arranged on the upper surface and the lower surface of the bottom plate and drive water sprayers to rotate, so that the water sprayers clean the culvert in all directions, the problem that the culvert is difficult to clean in the past is solved, and the cleaning efficiency is improved. The device is easy and convenient to operate, movement, stretching, rotating and cleaning of the device can be controlled only through the controller, time andlabor are saved, the cost is saved, and the working efficiency is greatly improved.

The invention discloses an air conditioner indoor unit and an air conditioner. The air conditioner indoor unit comprises a housing and a cleaning device, wherein the cleaning device comprises a driving device, a water spraying pipe located in the housing and a water inlet pipe connected with one end of the water spraying pipe, the outer wall of the water spraying pipe is provided with a pluralityof water spraying holes formed at intervals, and the driving device is connected with the water spraying pipe and can drive the water spraying pipe to move in the axial direction of the water sprayingpipe. According to the technical scheme, by arranging the water spraying pipe provided with a plurality of water spraying holes formed in the outer wall in the housing, water in the water spraying pipe can be sprayed into the housing through the water spraying holes, and accordingly the effect of cleaning the inside of the housing is achieved. In addition, the driving device drives the water spraying pipe to move axially, the housing inside cleaning range is widened, and it is avoided that the corresponding area between every two adjacent water spraying holes becomes a spraying blind area.

The invention relates to a tunnel construction device, in particular to a dust falling device for tunnel construction. According to the dust falling device for tunnel construction, water jetting through manual work is not needed, and the dust falling effect is good. The dust falling device for tunnel construction comprises a transport vehicle, first bearing seats, first rotating rods, a threaded rod, a nut, a moving rod and the like. Mounting frames are connected to the left side and the right side of the top of the transport vehicle, and the first bearing seats are connected to the upper portions of the mounting frames on the left side and the right side correspondingly. The first rotating rods are connected to the first bearing seats correspondingly, and the threaded rod is connected between the first rotating rods on the left side and the right side. The nut is connected to the threaded rod in a matched mode. According to the dust falling device for tunnel construction, the effectsthat water jetting through manual work is not needed, and the dust falling effect is good are achieved, the transport vehicle, the first bearing seats, the first rotating rods and the like are arranged, in this way, the water spraying range is increased, and the dust falling efficiency is effectively improved.

The invention relates to the technical field of spray irrigation equipment, in particular to spray irrigation equipment for tea leaf planting. The spray irrigation equipment comprises a horizontally arranged bottom plate, a plurality of supporting legs are arranged on the bottom surface of the bottom plate in the length direction of the bottom plate, and rolling wheels are arranged on the bottom surfaces of all the supporting legs; a pushing rod is obliquely arranged at one end of the bottom plate, a water tank is arranged at one end of the top surface of the bottom plate through an installinggroove, and a sealing cover is arranged on the top surface of the water tank; an installing plate is arranged in the center of the inner wall of one side of the water tank through a bolt, a water pump is arranged on one side of the installing plate, and a water inlet pipe is arranged on one side of the water pump; a fixed sleeve is fixedly arranged on the periphery of the bottom end of the waterinlet pipe, L-shaped supporting rods are arranged at the two ends of the fixed sleeve, and a fixed block is arranged on the bottom surface in the water tank; a groove is formed in the top surface of the fixed block, the bottom ends of the L-shaped supporting rods are arranged in the groove, and the bottom end of the water inlet pipe is provided with a filtering mechanism, and a flexible tube is arranged at a water outlet of the water pump. The equipment is simple in operation and convenient to use, enlarges the water spraying range, avoids blockage of the water inlet pipe, and improves the spraying irrigation efficiency.

The invention discloses an irrigation device for planting of paeonia suffruticosa. The irrigation device comprises a base, wherein a fixing pile is arranged at the top end of the base and is of a hollow structure, a fixing frame is arranged at the top of the fixing pile, a rotary joint mechanism which is located inside the fixing pile is arranged at the top end of the fixing frame, a swinging rotating mechanism is arranged at the top end of the rotary joint mechanism, a sprayer is arranged at the top end of the swinging rotating mechanism, a water supply pipeline, of which one end is connectedwith the rotary joint mechanism, is arranged inside the fixing pile, the other end of the water supply pipeline penetrates through the sidewall of the fixing pile and is connected with one end of a connecting mechanism, and a water inlet pipeline is arranged at the other end of the connecting mechanism. The irrigation device has the beneficial effects that the sprayer can be free of a clamping phenomenon during swinging rotation, the sustained stable operation of the irrigation device is guaranteed, and the stability of the irrigation device is improved; through arranging the swinging rotating mechanism, the sprayer can perform spraying in an omni-directional and multi-angle manner, and thus, the range of water spraying of the irrigation device is improved; and through arranging the connecting mechanism, the convenience of the irrigation device during use is improved.

The invention discloses a medical instrument cleaning device. The medical instrument cleaning device mainly comprises an outer frame, a top shell, a water level gauge, a bottom shell, an end shell, a water spraying head, a motor, a tool rack and a reversing module, a rotating plate is rotationally installed in the middle of the front side of the outer frame, the water level gauge is fixedly installed in the middle of the front side of the rotating plate, the water level gauge communicates with the interior of the outer frame, an ultrasonic generator is fixedly installed on the lower right portion of the front side of the rotating plate, and the top shell is fixedly installed at the top end of the outer frame in a penetrating mode. The medical instrument cleaning device is reasonable in structural design, the tool rack is arranged, the structure of the tool rack is flexible, the tool rack can be stretched to adapt to fixing of tools of different sizes, the structural applicability is high, and use is convenient; and by arranging the reversing module and cooperating with the rotating plate and a planet shaft, the tool rack and the rotating plate can be driven to rotate, so that the tool is turned over inside, flexible to use and thorough in cleaning, the water spraying head is driven by the motor to swing back and forth, a corrugated pipe is driven to stretch back and forth to compress and drain water, the water spraying range is large, running water is adopted for soaking and cleaning inside, and cleaning is cleaner.

The invention provides a dish-washing machine water path system, and belongs to the technical field of dish-washing machines. The dish-washing machine water path system comprises a washing box body, aspraying arm, a dual-rotation-speed washing pump or a frequency-conversion washing pump, a water-distributing valve and a water-distributing base; the water-distributing base is provided with a firstwater inlet channel and a second water inlet channel, the water-distributing valve is connected with the water-distributing base and used for controlling water flow to enter the first water inlet channel and the second water inlet channel, and the dual-rotation-speed washing pump or the frequency-conversion washing pump is connected with the water-distributing valve and provides two kinds of water flow with different flow speeds; the first water inlet channel surrounds the second water inlet channel, the spraying arm is provided with a first spraying channel and a second spraying channel which are not communicated with each other, the first spraying channel is communicated with the first water inlet channel, and the second spraying channel is communicated with the second water inlet channel. The invention further provides a dish-washing machine, and the dish-washing machine comprises the dish-washing machine water path system. The dish-washing machine water path system and the dish-washing machine have the advantages of being high in integrated degree and low in production cost.

The invention relates to a watering cart, in particular to a multidirectional watering cart for a small highway. The multidirectional watering cart for the small highway saves water resources and is not limited by a water pipe. The multidirectional watering cart for a small highway comprises a water tank, wheels mounted on the water tank, a push rod mounted on the water tank, a power assembly mounted on the water tank, a water pumping assembly mounted between the power assembly and the water tank, and a rotary water spraying assembly mounted on the water tank. Through cooperation of the waterpumping assembly and the power assembly, automatic water pumping and water spraying can be achieved; Through cooperation of the rotary water spraying assembly and the power assembly, a first spray head can rotate, and the water spraying range of the first spray head is enlarged. Through cooperation of the rotary water spraying assembly, water spraying assemblies on the two sides and a lifting assembly, the up-down moving distance of a second spray head is increased, so that the water spraying range is enlarged, and the purpose of saving water is achieved.

The invention relates to the technical field of fireproof steel, and discloses an energy-saving fireproof steel structure of a green building. The energy-saving fireproof steel structure comprises a steel structure body, a fireproof coating is movably connected to the outer side of the steel structure body, a driving motor is fixedly connected to the left side of the interior of the steel structure body, and a first fixing block is fixedly connected to the left side of the interior of the steel structure body. According to the energy-saving fireproof steel structure of the green building, whena fire occurs, paraffin is melted into liquid, at the moment, a sliding block drives a transverse rod to move rightwards, a switch contact is triggered by the transverse rod, an electromagnetic valvespray head further sprays water in a water pipe into the steel structure body, and therefore the effect that the steel structure can be automatically cooled when the fire occurs is achieved. When a fire occurs, a motor can drive a rotating shaft to rotate, an inclined rod drives a fixing column to rotate obliquely, the electromagnetic valve spray head is further made to rotate obliquely, the water spraying range of the electromagnetic valve spray head is enlarged, and therefore the effects of increasing the cooling area and reducing the device cost are achieved.

A water sprinkler for controlling environmental pollution including the vehicle body, a water tank is fixedly installed on the top of the vehicle body, a rotating rod is rotatably mounted on the top of the water tank, a hose is fixedly connected to the outer side of the rotating lever, one end of the hose is located in the tank, the other end of the hose is fixedly provided with a spray head, thenozzle is located above the tank, the outer fixing sleeve of the rotating lever is provided with a first gear, A rotating electric machine is fixedly installed on the top of the water tank, a second gear is fixedly installed on the output shaft of the rotating electric machine, the second gear is meshed with the first gear, a fixing block is fixedly installed on the outer side of the rotating lever, the fixing block is positioned above the first gear, and one end of the connecting rod is rotatably installed on the fixing block away from the rotating lever. The water sprinkler is convenient foradjusting the spray angle of the spray head in multiple directions, increasing the spray range, adjusting the height of the spray water, degrading the dust in the air, and is simple in structure andconvenient in use.

The invention provides a dishwasher spraying arm, and belongs to the technical field of dishwashers. The dishwasher spraying arm comprises a water inlet, a first spraying arm body and a second spraying arm body which are integrated; the first spraying arm body and the second spraying arm body are in central symmetry with the water inlet as a center respectively and are provided with a first spraying channel and a second spraying channel which are communicated with the water inlet respectively, the first spraying channel is not communicated with the second spraying channel, and the tops of thefirst spraying channel and the second spraying channel are provided with a plurality of spraying holes respectively. The invention further provides a dishwasher with the dishwasher spraying arm. The dishwasher spraying arm and the dishwasher have the advantages that the integration degree is high, and the production cost is low.