162results about How to "Adjust the spray angle" patented technology

The invention relates to a device for testing nozzle characteristics. The device comprises a testing device box, a nozzle, a testing platform system, a gas channel system, a water channel system and a laser imaging system. The device is used for testing aerial fog characteristics such as the drop grain diameters, the drop speed, the flow density at the different positions and drop grain diameter distribution of the different nozzles at different spraying heights at different air pressures and different water pressures. The device is high in testing accuracy, wide in adjusting scope, stable in operation and capable of testing the aerial fog characteristics of single-phase liquid flow and gas liquid two-phase flow.

The invention relates to a wafer scanning and cleaning swing arm device. The wafer scanning and cleaning swing arm device comprises a swing arm part, a nozzle, a lifting part, a swing part and a shell, wherein the swing arm part is provided with a swing arm shaft, the nozzle is mounted on the swing arm part and can rotate around the swing arm part, the lifting part is used for driving the swing arm part to move along the vertical direction, the swing part is used for driving the swing arm shaft of the swing arm part to rotate, and the shell is used for mounting the swing arm part, the lifting part and the swing part. The nozzle is mounted on the swing arm part and can rotate round the swing arm part, so that spraying angle of the nozzle to wafers can be conveniently adjusted; by the aid of the swing part, the swing arm shaft of the swing arm part is driven to rotate, and scanning swing of the swing arm part is realized. By the lifting part, the swing arm part is driven to move along the vertical direction, so that the problems that wafer cleaning effect is poor and cleaning dead corners possibly exist due to the fact that a conventional swing arm part only swing to one direction for scanning are solved.

The invention provides tungsten carbide spraying equipment with both grinding and surface defect repair functions. The equipment comprises a base, a shell, a protective cover, a collecting frame, a collecting groove, a roller shaping frame structure, a cylinder, an arc surface polishing frame structure, a guide rail, an adjustable spraying fun fixing frame structure, a machining cleaning frame structure, a Y-shaped frame, a drive motor, a driving wheel, a driven wheel and a to-be-machined roller. The shell is in bolt connection with the upper portion of the base. The protective cover is in hinged connection with the left side inside the shell. The collecting frame is in bolt connection with the middle of the upper portion of the base. The equipment has the beneficial effects that by arranging the roller, a polishing motor, a rotating roller, a brush and a polishing belt, the surface of the to-be-machined roller is polished and ground conveniently, the polishing motor drives the rollerto rotate, the surface of the to-be-machined roller is ground through the grinding belt, and meanwhile unmolten tungsten carbide powder remaining at the corners of the front and back ends of the to-be-machined roller is cleaned thoroughly through the brush.

The invention relates to a multifunctional bionic tube cleaner and a cleaning method thereof. The bionic tube cleaner comprises a center shaft, a rubber ring, a rubber ring pressing plate, an annular magnet and a baffle plate, wherein the center shaft is sleeved with the rubber ring, the rubber ring pressing plate, the annular magnet and the baffle plate in order; the inner part of the center shaft is hollow, and a liquid flow channel is formed in the center shaft; a liquid inlet connecting port and a plurality of air inlet connecting ports are formed in the left end face of the center shaft, the liquid inlet connecting port is communicated with the liquid flow channel, and the air inlet connecting ports are communicated with nozzles through airflow channels in a mode of one to one correspondence; all nozzles positioned at the left end of the center shaft incline to the left; the right end of the center shaft is detachably provided with a plugging end cover in a sealing mode, and the right end of the center shaft is annularly provided with a plurality of nozzles communicated with the liquid flow channel. The inner wall of a tube is cleaned in a scraping mode through high-pressure liquid flow and the rubber ring, metal debris in the tube can be attracted through the annular magnet, and the whole device can move in the tube through high pressure air flow. The multifunctional bionic tube cleaner has the advantages of high efficiency, environmental protection, low consumption and strong flexibility and adaptability.

The invention discloses an agricultural planting wide-range pesticide spraying device which comprises a frame, a pesticide spraying unit and a pesticide formulation supply unit. The pesticide sprayingunit is mounted on the frame, the pesticide formulation supply unit supplies pesticides for the pesticide spraying unit, the pesticide spraying unit comprises a mounting plate and a spraying component mounted on the mounting plate, the spraying component comprises a biaxial tension motor, an atomization nozzle, a worm, a worm gear and a hinge rod, the hinge rod comprises two symmetric threaded rods and an internal thread adjusting sleeve connected between the two threaded rods in a threaded manner, a supporting plate is arranged below the mounting plate, a height adjusting mechanism is connected between the mounting plate and the supporting plate, and an angle adjusting mechanism is connected between the supporting plate and the frame. By the aid of the pesticide spraying unit, the atomization nozzle is driven to swing up and down and can spray pesticides to a whole farmland along the width direction when swinging, the agricultural planting wide-range pesticide spraying device is widein spraying range and high in efficiency, and spraying angles and spraying heights can be adjusted by the angle adjusting mechanism and the height adjusting mechanism.

The invention relates to the technical field of agricultural production, and particularly discloses novel pesticide spraying equipment. The novel pesticide spraying equipment comprises a box body, walking wheels, stirring rod assemblies, a spiral stirring paddle, a driving motor, a swinging rod, a guide column, a nozzle and a liquid pump, wherein damping supporting parts are arranged at the ends of a supporting base, and each walking wheel is arranged at the bottom end of the damping supporting part; the spiral stirring paddle is arranged along the central axis in the box body, two stirring rod assemblies arranged in the box body are located on the two sides of the spiral stirring paddle respectively, a second driven gear is fixedly installed at the top end of the spiral stirring paddle, and the guide column is fixedly installed on the upper surface of the outer end of the second driven gear; and the left part of the swing rod is arranged on the guide column in a sliding mode through astrip-shaped through hole formed in the swing rod, and a spraying mechanism used for spraying pesticide in the box body is arranged at the other end of the swinging rod. According to the novel pesticide spraying equipment, the pesticide effect can be ensured; and moreover, the pesticide spraying range is wide, the using effect is good, and the agricultural production is facilitated.

The invention discloses an intelligent fire-fighting robot. The intelligent fire-fighting robot comprises a water tank, crawler wheels and a water spraying unit; the crawler wheels are arranged on thetwo sides of the water tank; the spraying unit is arranged at the top of the water tank, comprises a water spraying head, a driving assembly and a lifting assembly, and further comprises an obstacleclearing unit, wherein the driving assembly is used for driving the water spraying head to adjust the angle, and the lifting assembly is used for driving the water spraying head to ascend and descend;and the obstacle clearing unit comprises a clearing rake, a rotating disc, a second motor, a second supporting plate, a threaded rod and a third motor. According to the intelligent fire-fighting robot, the spraying unit comprises the water spraying head, the driving assembly used for driving the water spraying head to adjust the angle and the lifting assembly used for driving the water spraying head to ascend and descend, so that the water spraying angle and the water spraying height of the water spraying head can be adjusted; the obstacle clearing unit is arranged and comprises the clearingrake, the rotating disc, the second motor, the second supporting plate, the threaded rod and the third motor, the second motor drives the rotating disc to rotate, the rotating disc drives the clearingrake to swing in a reciprocating mode, the clearing rake clears obstacles on an advancing road, and therefore the working efficiency is improved.

The invention discloses an oil and gas compound burner which comprises an oil pipe and a gas pipe, wherein a casing pipe used for supplying combustion air for the oil pipe is arranged between the gas pipe and the oil pipe, the oil pipe is movably arranged in the casing pipe through oil pipe supporting rods which are fixedly arranged on the outer surface, the casing pipe is glidingly contacted with the inner surface of the gas pipe through oblique spiral slices which are fixedly arranged on the outer surface of the casing pipe, a gas box communicated with gas is arranged on the gas inlet end of the gas pipe, an air box containing the gas pipe supplying the combustion air is arranged outside the gas pipe, an air inlet through which air can enter and a flame spout corresponding to the gas outlet end of the gas pipe are formed in the air box, and an ignition device and a flame monitor used for detecting a burning state are arranged on the gas outlet end of the gas pipe. The oil and gas compound burner disclosed by the invention adopts the structure of double pipes in a sleeving manner and gas pipe in the circumferential direction, under realizing the foundational function of ignition, the oil and gas co-burning and the pure gas burning also can be realized, simultaneously, and he stable and high-efficiency burning in gas supplying in a wide-margin fluctuation manner can be realized, and energy sources can be saved maximally.

The invention relates to the technical field of kitchen appliances, in particular to an integral kitchen appliance with a water sink. The integral kitchen appliance comprises the water sink, a fixingsleeve, a crushing structure, a flushing structure, a shaking structure and a sealing structure. By installing the crushing structure at a water outlet at the bottom end of the water sink, large-particle sundries cleaned in the water sink can be crushed, so that the large-particle sundries can be prevented from directly entering a sewer to cause blockage of the sewer, and the goal of ensuring sewer smoothness is achieved; the crushing structure can synchronously drive the flushing structure to work while working; through the work of the flushing structure, the crushing structure can be subjected to flushing operation; by flushing the crushing structure, sundries or hair can be prevented from being adhered onto the crushing structure, so that the smashing structure can better perform crushing work; and through the arrangement of the flushing structure, a certain impact effect can be achieved on the sundries, so that the anti-blocking effect can be further achieved.

The invention discloses a pesticide spraying device for agriculture. The pesticide spraying device comprises a bottom plate. Universal wheels are fixedly connected with the four corners at the bottomof the bottom plate respectively. A trolley handle is fixedly connected with the right side of the top of the bottom plate. A pesticide box is fixedly connected with the middle point of the top of thebottom plate. A put-in pipe is fixedly connected with the right side of the top of the inner wall of the pesticide box. The top of the put-in pipe penetrates through the pesticide box and extends outof the pesticide box. By using the pesticide box, the put-in pipe, a first rolling bearing, a threaded rod, a rotating handle, a threaded sleeve, a telescopic rod, a triangular block, a limiting groove, wheels, a supporting column, a supporting plate, a second rolling bearing, a supporting rotating shaft, a spraying nozzle, a forward and backward motor, a forward and backward rotating shaft, a first bevel gear, a second bevel gear, a water pump and a hose in cooperation, the high spraying efficiency is realized, the spraying angle of the spraying nozzle can be adjusted according to requirements, operation is simple, time and labor are saved, and great convenience is brought to a user.

The invention discloses a fixing device for ink-jet equipment of a sesame oil packaging box in the technical field of ink-jet related equipment. The device comprises a bottom plate, wherein rollers are arranged at the bottom end of the bottom plate, and a lifting mechanism is arranged at the right side of the top end of the bottom plate. According to the device, through the arranged lifting mechanism and a main machine mounting seat, the use height of an ink jet main machine can be adjusted, so that people with different heights can conveniently use the ink jet main machine and stable clampingcan be performed for different types; the height of a spray head can be adjusted through a first hydraulic telescopic rod arranged; the position of the spray head can be transversely rotated by arranging a rotatable support rod; the position of the spray head can be transversely translated through the structures of a second motor, a screw rod and like; the spray head can be fixed and the spray angle of the spray head can be longitudinally adjusted through the arrangement of a third motor, a circular ring and like; and thus, the ink-jet equipment can carry out multi-position multi-angle code inkjet on the packaging box, and the actual requirements of factories are met.

The invention relates to a water spraying mobile cart, in particular to a side multi-angle water spraying mobile cart. The technical problem of the invention is to provide a side multi-angle water spraying mobile cart of which a spraying angle can be adjusted, the spraying area can be enlarged, and a material mixing function is provided. The side edge multi-angle water spraying mobile cart comprises a storage box which is a cuboid box body with an opening in the upper portion; at least three universal wheels which are symmetrically arranged at the bottom of the storage box; and a handle whichis arranged on the upper side of the outer portion of the storage box. The effects that the spraying angle can be adjusted, the spraying area is enlarged and the mixing function is provided are achieved, a shower head of the equipment can move up and down and can also rotate front and back, the spraying area is further increased, and plants can be better irrigated.

The invention discloses a water sprinkling device with an adjustable sprinkling area for municipal engineering. The water sprinkling device comprises a watering cart body, a first motor, a motor box, tires, a second motor and a water pump; and the rear end of the watering cart body is provided with a water tank, the outer surface of a two-way screw rod is sleeved with an adjusting block, the upper end of a connecting rod is hinged to a supporting block, a spraying plate is rotationally connected into the supporting frame, racks are fixedly connected to the front side and the rear side of the upper end of the watering cart body, and the lower end of the spraying plate communicates with the water tank through a universal hose. According to the water sprinkling device with the adjustable sprinkling area for the municipal engineering, sprinkling treatment can be conveniently carried out on greening at different heights, roots and leaves can be conveniently and respectively watered, the phenomena that water needed by the roots is insufficient and the leaves are excessively watered are avoided, meanwhile, the sprinkling area can be conveniently adjusted, and sufficient and rapid water spraying and sprinkling treatment can be conveniently carried out on the greening with different area sizes.

A foundation high-pressure jet grouting device comprises a controller, a grout storage bucket, a first cylinder, a platen, a tracked carrier, a slurry pump, supports, support frames, a first pipeline, a flange bearing, a first gear, a second cylinder, a first motor, a first fisheye bearing, a first support plate, a third cylinder, a steel frame, first pin shafts, a first hollow, a shear fork arm, a second support plate, a second hollow, second pin shafts, a high-pressure pump, a first pipe fitting connector, a second motor, second gears, a connecting bar, a first slider, a first slide rail, a worm, a second slide rail, second sliders, a second pipe fitting connector, a fourth cylinder, a first through pipe, a first nozzle, a rack, a worm gear, a rubber tube, a second pipeline, a third motor, a third pipeline, a second through pipe, a second fisheye bearing and a second nozzle, wherein the platen is mounted on the tracked carrier; and the first cylinder is mounted on the platen. The foundation high-pressure jet grouting device has the advantage that a jet pipe adopts a length-adjustable structure.

The high-pressure water mist fire extinguishing nozzle consists of a nozzle housing, a nozzle adapter, a nozzle, an internal filter, a metal sealing gasket and a dust cover. The shape of the nozzle housing is two conical surfaces, the top surface of the conical surface near the top is a plane, a nozzle is installed in the center of the top surface, and a plurality of nozzles are evenly distributed on the conical surface near the top surface; There is another conical surface adjacent to the outer ring of the conical surface near the top surface, and multiple nozzles are evenly distributed on this conical surface, and the nozzles on different installation surfaces are arranged alternately; the nozzle shell and the nozzle, the nozzle shell and the nozzle The adapters are all threaded, and the end surface is sealed with a metal gasket; the nozzle is connected to the inner cavity of the nozzle housing; the inner cavity of the nozzle adapter is equipped with a stainless steel filter; the other end of the nozzle adapter is threaded It is connected with the pipeline of the fire extinguishing system; a dust cover is installed above the nozzle housing. It has the advantages of rapid fire extinguishing, low water consumption, seawater corrosion resistance, and has the value of popularization and application.

The invention provides a small-sized assembly line type paint spraying room special for machining automobile mechanical parts. The small-sized assembly line type paint spraying room comprises a paintspraying room shell, a conveyor belt guide wheel, an air cylinder A, a conveyor belt, an air cylinder B, a pull rod, an automatic spray gun head and a paint box, wherein five conveyor belt guide wheels are fixedly arranged at the inner side and the inner side of the bottom of outer support structures at the two ends of the paint spraying room shell through rotating shafts, and the conveyor belt isarranged outside the conveyor belt guide wheels; one of the rotating shafts of the conveyor belt guide wheels is fixedly connected through a key, and a motor is arranged on the outer sides of the conveyor belt guide wheels and is in motion connection with the conveyor belt guide wheels through transmission of a belt. Through arrangement of a the paint plate and the air cylinder A, the paint spraying room shell can be controllably sealed, the paint spraying environment is protected, the situation that the paint spraying is sprayed too much to cause pollution to the outside is avoided, and theworking environment is protected; and in addition, due to arrangement of stretchable rods and annular spring-assisting plates, favorable help is provided for the retraction of the air cylinder A, theretraction speed of the air cylinder A can be increased through the elasticity of springs, and the running speed of flowing water can be effectively increased.

The invention relates to the technical field of building construction, in particular to an efficient dust removal device for building construction protection. The device comprises a base, a water tankis arranged above one side of the base, a rotating motor is arranged in the center of the upper part of the water tank, a liquid inlet is formed in one side of the rotating motor, a rotating shaft isfixedly connected to the output end of the rotating motor, a plurality of stirring rods are arranged in the circumferential direction of the lower part of the rotating shaft, and a roller is slidablyconnected into a sliding groove in the outer contour of a cylindrical cam. One side of the bottom of the water tank is connected with a water outlet pipe, and the upper portion of the water outlet pipe is communicated with a first conduit and a second conduit. Disinfectant is evenly dissolved in water, on one hand, a dust falling effect can be achieved, and on the other hand, and sterilization and disinfection effects are achieved. Meanwhile, a first spraying device and a second spraying device are arranged, during use, the spraying modes can be switched according to the building constructionenvironment, and the dust removal effect on the building construction environment is improved.

The invention provides an efficient spraying dust fall device for constructional engineering. The efficient spraying dust fall device comprises a base, a rotating rod, a movable rod, an upper water pipe, an adjusting frame, a fixed rod, a lower water pipe, a pedal and a storage box, the storage box is fixedly mounted at the top of the base, the pedal is movably mounted on one side of the storage box through a hinge, a pressing spring is fixedly mounted between one end of the pedal and the base, a limiting plate clamping rod is slidably mounted in the interior of a storage box sliding groove, the bottom end of the rotating rod is rotatably mounted at the top of the storage box through a protective cover and a limiting plate, and the protective cover is arranged at the top of the storage box. According to the efficient spraying dust falling device for constructional engineering, adjusting can be conveniently carried out on the spraying angle, the spraying height and the spraying direction, the spraying direction is kept consistent, the spraying and dust falling efficiency is improved, folding can be carried out through the adjusting frame and an adjusting nut, the therefore occupied space of the device is reduced, and storage is convenient.

The invention discloses a haze pollutant removal system. The system comprises a fixed seat, an operating table is arranged at the top of the fixed seat, a display screen is arranged on the upper surface of the operating table, a rotating shaft is arranged at the center of the top of the fixed seat, the top end of the rotating shaft is connected with a rotating disc, the bottom end, located in thefixed seat, of the rotating shaft is connected with a first servo motor, the top end of the rotating disc is connected with a supporting plate, a spray gun barrel is arranged above the supporting plate, and the top end, located at two sides of the spray gun barrel, of the supporting plate are connected with supporting rods. The system is convenient for preventing a water storage tank from being damaged by friction with the inner wall of a fixed shell when the system stands and preventing the deformation damages of the shell of the water storage tank, caused by the collision between the water storage tank and the inner wall of the fixed shell in the movement process of the system, can filter water in the water storage tank in the extraction process to prevent the influences of blocking of aspray head by impurities on the spraying effect, and makes the spray angle of the spray gun barrel easily adjusted.

The invention discloses a pesticide spraying device for a seedling field. The device comprises a base, wherein a storage battery is arranged at the bottom of an inner cavity of the base, a vertical bar, a pesticide box, a water pump and a fixing frame are fixedly connected to the top of the base from left to right sequentially, a controller is arranged on the left side of the vertical bar, a motor is fixedly connected to the top of the pesticide box, a rotating shaft is fixedly connected to an output end of the motor, and the bottom of the rotating shaft penetrates to the inner cavity of the pesticide box. According to the device, by cooperative application of the base, the storage battery, a tube cap, a pesticide injecting tube, the motor, the controller, the rotating shaft, a mixing rod and the pesticide box, the problem that pesticides cannot be mixed sufficiently by an existing pesticide spraying device for the seedling field is solved; the pesticide spraying device for the seedling field has the advantages that the pesticides can be mixed sufficiently, the pesticide spraying effect is prevented from being affected by uneven mixing of pesticide liquid, usage is facilitated for a user, and efficiency of the existing pesticide liquid spraying device is improved.

The invention relates to the technical field of electronic assisting equipment, and specifically relates to an intelligent firefighting robot. The intelligent firefighting robot comprises a crawling device, launching devices, a lifting device, an electric guide rail, an electric rotating platform, a high-pressure water pump, a camera and a remote controller, wherein an infrared emitting module is embedded into the remote controller; an infrared receiving module is embedded into the electric rotating platform; performing motors of the lifting device, the electric guide rail, the electric rotating platform and the high-pressure water pump are electrically connected with the infrared receiving module; the crawling device comprises a rack, and rollers which are mounted at the bottom part of the rack; the launching devices and the lifting device are symmetrically mounted at the bottom part of the rack from outside to inside; the electric guide rail is fixedly mounted at the upper part of the rack; the electric rotating platform is mounted above the electric guide rail through a slide platform; the high-pressure water pump is arranged above the electric rotating platform. With the adoption of the intelligent firefighting robot, the problems of low firefighting efficiency and poor fire extinguishing effect of low-rise and mid-rise buildings can be effectively solved.

The invention provides a spraying angle adjusting mechanism and an agricultural spraying machine, and belongs to the technical field of agricultural spraying machines. The spraying angle adjusting mechanism comprises a vehicle body, a first adjusting assembly and a second adjusting assembly. The first adjusting assembly comprises a supporting beam, a rotary workbench, a lifting frame, a guide rail, a lifting base and a first hydraulic cylinder, and the second adjusting assembly comprises an angle support, a first extension frame, a second hydraulic cylinder, a second extension frame, a third hydraulic cylinder, a third extension frame and a fourth hydraulic cylinder. The first hydraulic cylinder is opened to adjust the spraying height, the side-stretching rotary spraying design is adopted,a traction type spraying machine does not need to move, the pesticide spraying distance and area are increased, the side-stretching spraying angle design is adopted, the spraying angle adjusting mechanism can be suitable for spraying crop on various slopes, the applicable terrain of the traction type spraying machine is increased, and the spraying angle of the agricultural spraying machine is greatly conveniently adjusted; and under complex terrains, the agricultural spraying machine is better in spraying effect and higher in spraying efficiency.

The present invention discloses a seedling growing device convenient for transplanting for forestry planting and particularly relates to the field of forestry planting devices. The seedling growing device convenient for transplanting for forestry planting comprises a cultivation box, a driving mechanism is arranged at a top part of an inner cavity of the cultivation box, a plurality of connectingframes are movably connected to the driving mechanism, the plurality of the connecting frames are driven by the driving mechanism to do linear reciprocating motion, and planting frames are detachablyconnected to bottom parts of the connecting frames; a plurality of water spraying pipes presenting a straight line shape are fixedly arranged on two side walls of an inner cavity of the cultivation box, two rows of the water spraying pipes are respectively driven by angle adjusting mechanisms to conduct angle adjusting water spraying; and the angle adjusting mechanisms comprise racks, gears and telescopic assemblies. The planting frames are hoisted through screw rods and the connecting frames, the planting frames can be driven to enter and exit the cultivation box, plants can be transplanted conveniently and rapidly, the whole cultivation box does not need people to enter to operate to take and place flowerpots, feeding cultivation and discharging transplantation are facilitated, an internal space of the cultivation box is also fully utilized, occupied area is reduced, and more plants can be cultivated.

The invention discloses a coating and paint spraying system. The coating and paint spraying system comprises a paint spraying chamber and a water circulating device; the paint spraying chamber comprises a shell, an axial flow fan, a strip-shaped water storage tank, a steel mesh plate, a water collecting tank, a conveying belt and a paint spraying mechanism; and the water circulating device comprises a recycling tank, a right side cover plate, a left side cover plate, a liquid inlet pipe, a recycling pipe, a filtering membrane plate, a rectangular frame plate, a suspended foam plate and an oilrecycling pipe. The coating and paint spraying system facilitates post-disassembly and maintenance by mounting the filtering membrane plate in a plugging manner; manual isolation is realized through an arranged fixed baffle plate and an unplugging-plugging baffle plate, so that the filtering membrane plate can be replaced and maintained without shutdown; water mist is sprayed on the steel mesh plate by utilizing a water mist spraying head, so that a flowing air flow is subjected to water curtain adsorption, and oil paint in paint mist can be fully adsorbed; a uniform water curtain can be formed on the steel mesh plate by utilizing the strip-shaped water storage tank, the steel mesh plate, the water collecting tank and the water mist spraying head; and water resources can be collected for recycling.

The invention discloses a perfume atomization vehicle-mounted humidifier which comprises a base. Suction cups are fixedly arranged at the bottom end of the base. A stepping motor is fixedly arranged on the inner wall at the top end of the base. A transmission shaft of the stepping motor penetrates through the base and is fixedly connected with the bottom end of a placing rack through a lifting mechanism. The two sides at the top end of the placing rack are rotationally connected with the two sides of a shell through two damping rotary shafts. A water storage tank and a perfume tank are fixedlyarranged on the inner wall at the top end of the shell. By the adoption of the perfume atomization vehicle-mounted humidifier, the transmission shaft of the arranged stepping motor rotates, so that aconnecting rod is conveniently driven to rotate, the vehicle-mounted humidifier automatically rotates, and the spraying direction of an atomization nozzle is adjusted; and a rotary disc rotates to drive a rotary rod to rotate, the rotary rod rotates to drive a gear to rotate, the gear and a rack are in engaged connection, so that a lifting rod is driven to move up and down, and therefore the height of the vehicle-mounted humidifier is conveniently adjusted.

The invention discloses a fire-fighting robot with a double-gun-barrel universal structure. The robot comprises a caterpillar. A riffle connector is arranged inside the caterpillar, and an outlet endof the riffle connector is connected with an inlet end of a Y-shaped bifurcated connector through a swing mechanism arranged on the top of the caterpillar. Each outlet end of the Y-shaped bifurcated connector is connected with a gun barrel through a pitching mechanism and a universal structure in sequence, a spherical pair is formed at the joint of the universal structure and the gun barrel, and alocking mechanism is arranged at the joint and used for fixing the gun barrel. According to the fire-fighting robot with the double-gun-barrel universal structure, the two gun barrels can be carriedthrough the Y-shaped bifurcated joint, so that the spraying amount is increased, the spraying angle between the two gun barrels can be adjusted through cooperation between the universal structures andthe spherical pairs, the cover area of a fire extinguishing agent is adjusted, and the purpose of rapid fire extinguishment is achieved.

The invention relates to dust removal and purification equipment, in particular to movable dust removal and purification equipment for cement production. The movable dust removal and purification equipment for cement production can purify air comprehensively, and is high in working efficiency and good in cleaning effect. The movable dust removal and purification equipment for cement production comprises a bottom plate and first rotating shafts, wherein the first rotating shafts are symmetrically and rotationally arranged on the two sides of the lower portion of the bottom plate; wheels which are arranged on the two sides of the first rotating shaft; a first handle which is arranged on one side of the top of the bottom plate; and the dust removal mechanism which is arranged on one side of the top of the bottom plate. Through cooperation of the dedusting mechanism, the spraying mechanism, the rotating mechanism and the sweeping mechanism, air in a cement production plant can be automatically dedusted and purified, dust on the ground can be swept away, the working efficiency of people is improved, the spraying angle of the air duct can be adjusted, and the air purification speed is increased.

The invention discloses a safe cart type fire extinguisher, and relates to the technical field of fire extinguishing equipment. The safe cart type fire extinguisher comprises a moving base, a slidingpart, a lifting rod, a connecting pipe, a fire extinguisher and a transportation control device; the lifting rod is fixedly arranged on the moving base, the sliding part is arranged on the lifting rodin a sliding mode, and a rack matched with the sliding part is arranged on the lifting rod; the sliding part comprises a sliding platform, a lifting motor and a transmission device, and the transmission device is meshed with the rack; a clamping device is further arranged on the sliding platform, the fire extinguisher is arranged on the transportation control device, and a discharging part at thetop can be connected with one end of the connecting pipe; and a control panel is arranged on the transportation control device and is used for controlling the lifting motor and a driving motor. According to the safe cart type fire extinguisher, through the arrangement of the moving base, the sliding part and the lifting rod, when the fire extinguisher is used for extinguishing fire, an operator does not need to hold a discharge port with a hand to approach a fire point for extinguishing fire, the safety of fire extinguishing personnel is guaranteed, and a good fire extinguishing effect is achieved.

The invention relates to a combustible gas pipeline jet fire experiment device with an adjustable angle and an adjustable distance. The device comprises a lower supporting piece and a nozzle aligned with a spraying target; a distance adjusting device is arranged above the lower supporting piece; the nozzle is detachably connected to the distance adjusting device; the distance adjusting device is used for adjusting the distance between the nozzle and a spraying target; one end of the distance adjusting device is hinged to one end of the lower support; the other end of the distance adjusting device is movably connected to the other end of the lower supporting piece; an angle adjusting device is fixedly connected to one side of the lower supporting piece; the distance adjusting device is rotationally connected to one side of the angle adjusting device; and a plurality of angle locking positions used for fixing the distance adjusting device and the angle adjusting device are sequentially arranged on the angle adjusting device along the rotating stroke of the distance adjusting device. And the distance between the nozzle and a spraying target can be conveniently adjusted through the distance adjusting device. The distance adjusting device rotates around the hinged position of the distance adjusting device and the lower supporting piece, and the spraying angle of the sprayer is conveniently adjusted.