31results about How to "Uniform spraying effect" patented technology

The invention discloses a waterproof coating performance detection device and method, and belongs to the field of waterproof coating detection. A waterproof coating performance detection device comprises a detection box and further comprises a mounting plate sliding in the vertical direction of the detection box, a detection disc is placed on the mounting plate, a clamping part for clamping and fixing the detection disc is arranged in the detection box, and a detection part for measuring the anti-permeability performance of a coating is arranged at the bottom of the mounting plate; the driving shaft is rotationally connected into the detection box, the bottom end of the driving shaft is fixedly connected with a spraying box, and a feeding part for conveying a detection medium into the spraying box is arranged at the top of the detection box. The spraying box is driven by the driving shaft to rotate, so that waterproof paint is uniformly sprayed in the detection disc, and the movable coating plate extends out in cooperation with the gravity extrusion effect of the waterproof paint on the sliding plate, so that the waterproof coating is scraped, the uniform and compact waterproof coating is formed in the detection disc, and the detection effect is effectively improved.

The utility model discloses a magnetic core multi-angle spraying device which comprises a box body, a partition plate is fixedly arranged on the inner side of the box body, a spraying workbench is arranged above the partition plate, a first spraying mechanism is arranged above the spraying workbench, second spraying mechanisms are arranged on the two sides of the spraying workbench, a first motor and a speed reducer are arranged below the partition plate, and a spraying box is arranged on the side face of the box body. A second motor is arranged at the top of the box body, and the spraying box and the second motor are connected with the box body through screws; the magnetic core spraying device has the advantages of being simple in structure, high in stability and capable of conveniently and comprehensively spraying magnetic cores.

The invention discloses a metal surface plasma spraying device, comprising a body box, a body cavity is arranged in the body box, and a spraying mechanism is arranged in the body cavity. The invention utilizes the connecting rod transmission principle to first clamp the metal plate to be sprayed, and then utilizes the gravity of the metal plate to make the expansion box and the upper surface of the metal plate be on the same horizontal plane, so that the effect of spraying the edge of the metal surface is the same as that of normal spraying, so that the spraying effect is uniform, and after the spraying is completed, the plasma powder sprayed on the expansion box is recycled to save resources; not only that, the invention can also adjust the flow rate of plasma powder according to the size of the metal plate with spraying, and increase the powder flow rate when the metal area is too large, so as to ensure the spraying effect and improve the spraying quality. Moreover, the invention can also preheat the metal plate before spraying, and perform jet cooling on the metal plate during spraying, so as to ensure the spraying quality.

The utility model provides a concrete curing device, which aims to solve the technical problem that the concrete curing effect is poor when a cotton felt, a cotton quilt, a grass curtain and the like are used for heat preservation, and comprises a curing chamber, a mist unit, a concrete curing unit, a temperature adjusting box, an air inlet unit and a rotating unit, the mist unit comprises a mist box and an ultrasonic nebulizer; the concrete curing unit comprises a supporting plate, a rotating motor, a first rotating rod, a second rotating rod and a third rotating rod, the rotating motor is connected with the first rotating rod, the second rotating rod is arranged on the first rotating rod in the circumferential direction of the first rotating rod, the third rotating rod is arranged on the second rotating rod in the circumferential direction of the second rotating rod, the supporting plate is connected to the end of the third rotating rod, and a bearing groove is formed in the top of the supporting plate; the temperature adjusting box is communicated with the mist box; the air inlet unit is communicated with the temperature adjusting box; the rotating unit comprises a rotating motor and a rotating impeller which are connected through a rotating shaft, the rotating impeller is provided with a third containing cavity, the third containing cavity communicates with the second containing cavity, the rotating impeller is provided with an air outlet pipe, and the maintenance effect is good.

The invention provides a tunnel secondary lining spraying maintenance trolley, and relates to the technical field of tunnel construction maintenance equipment, the tunnel secondary lining spraying maintenance trolley comprises a base and two symmetrical sliding wheels fixedly connected to the outer wall of the bottom of the base, and the top of the single base is fixedly connected with a water storage tank. According to the spraying device, after the spraying action of a structure located at the bottom of the tunnel is completed by using a water arch strip with an arc-shaped surface, residual water is collected and led to a source through a pipeline structure, so that long-time water adding is not needed in the spraying process, water loss in the spraying process is reduced, and the spraying efficiency is improved. The structure is simple in structure, time loss in the construction process is avoided, the structure can be attached to the arch shape of the top of the tunnel, the effect of completely soaking the top of the tunnel is achieved, and the retaining amount of sprayed water is guaranteed.

The present invention relates to the technical field of spraying devices, and specifically discloses a box girder spraying equipment and process, the device comprising: a box body, a driving component, a spraying module, and a limiting component; the driving component is vertically spaced on the box body, the spraying modules are spaced on the box body and correspond to the driving component one by one, the driving component can drive the spraying module to move, and the spraying module is provided with a first push rod and a second push rod arranged along the upper and lower sides, the first push rod and the second push rod are used to contact the box girder to be sprayed surface, the limiting component is arranged on both sides of the spraying module, and is used to limit the spraying angle after the spraying module is adjusted. In the box girder spraying equipment and process of the present invention, the first push rod and the second push rod contact the spraying surface of the special-shaped box girder in turn, so that the spraying module can be positioned and the angle adjusted according to the special-shaped box girder, and at the same time the spraying module can be consistent with the spraying surface, so that the spraying effect is more uniform.

The utility model provides a thermal spraying device for a metal surface, which belongs to the technical field of surface protection and comprises a thermal spraying device frame body, a spraying guide rail, a motor seat, a clamping guide rail, a motor base, a motor base, a clamping groove, a driving device, a driving device, a driving device, a driving device and a driving device, and is characterized in that the spraying guide rail is fixedly connected above the thermal spraying device frame body, and the motor base is fixedly connected inside the right side of the thermal spraying device frame body; the clamping guide rail is fixedly connected to the interior of the left side of the thermal spraying device frame body, the transmission motor is fixedly connected to the upper portion of the motor base, the constant-speed spraying assembly is arranged on the upper portion of the thermal spraying device frame body, and the clamping adjusting assembly is arranged in the interior of the left side of the thermal spraying device frame body. The uniform-speed spraying effect is achieved, uneven paint is prevented from being manually held by hands of the spraying gun, the spraying effect is improved, the clamping adjusting function is added, and waste is avoided.

The invention discloses a treatment method for removing benzene series in petrochemical industrial waste gas, and belongs to the technical field of waste gas treatment. According to the treatment method for removing benzene series in petrochemical industrial waste gas, a base with a cavity is included, a partition plate is arranged on the inner wall of a working barrel, the partition plate is divided into an upper cavity and a lower cavity, and an adsorption mechanism is arranged in the lower cavity; the adjusting disc is arranged in the upper cavity in a lifting mode, a reciprocating motion mechanism is arranged on the adjusting disc, an exhaust pipe is fixedly connected to the bottom in the purification barrel and communicates with the working barrel, an exhaust hole is formed in the exhaust pipe, and the exhaust hole faces the two-way hybrid mechanism; according to the invention, the uniform spraying effect of the spraying plate in the whole working barrel can be realized, the absorbent can be ensured to cover each area, the dead angle is reduced, the absorption efficiency is improved, the contact opportunity of benzene waste gas and the absorbent can be greatly enhanced through multi-direction spraying, the reaction time is prolonged, and benzene is fully dissolved in the absorbent.

The utility model relates to the technical field of high-quality corn seed breeding, and discloses a corn seed constant-temperature activating device with a spraying mechanism, a circulating pipe is arranged between through pipes, an atomizing nozzle is arranged on the bottom surface of the circulating pipe, a bearing plate is arranged between fixed seats, and a clamping seat is arranged on the inner side of a water tank. According to the corn seed constant-temperature activation device with the spraying mechanism, clean water on the inner side of the water tank is directly pumped into the through pipe through the pump body, the clean water on the inner side of the through pipe continuously rises and directly enters the circulating pipe, and the clean water on the inner side of the circulating pipe directly aims at the bottom surface bearing plate through an atomization nozzle to achieve the uniform spraying effect; sprayed water drops directly fall into the inner side of the water tank from the bottom face of the bearing plate according to the gravity of the water drops, when secondary spraying needs to be carried out, the pump body is used for pumping the water source on the inner side of the water tank again, then the water source in the water tank is recycled, the uniform spraying effect is improved, and meanwhile the constant-temperature activation rate of the corn seeds is increased.

The invention discloses an automatic glazing and glaze spraying machine which comprises an inner glazing mechanism, an outer glazing mechanism and a glaze spraying mechanism, the inner glazing mechanism comprises an inner glazing frame, the inner glazing frame is provided with a plurality of turnover and rotatable blank placing frames which are arranged at equal intervals, and the blank placing frames are provided with blanks to be processed; a first lifting mechanism, a second lifting mechanism, a third lifting mechanism and a fourth lifting mechanism which are used for conveying blanks to be processed are sequentially arranged on the positions, corresponding to the blank placing frame, of the inner glazing mechanism. The process does not need to turn the sequence, improves the efficiency, reduces the damage of the green body, increases the yield, only needs one person to operate, reduces the loss of human resources, realizes electric pressure stabilization and quantitative automatic control of the spray gun, has a uniform spraying effect, is dried by hot air after glaze spraying, improves the efficiency, can move the filter water tank, recycles glaze water, reduces the loss, and is convenient and rapid; the glaze with the consistent color of the whole traditional green body can be applied, and glaze water with different colors of an inner cavity, an opening part and an outer edge surface can also be applied.

The invention relates to the technical field of spraying, in particular to a rainproof plastic spraying production line which comprises an open pipe, the open pipe is divided into a material changing area, a cleaning chamber, a spraying chamber and a drying chamber, an inner C-shaped ring and an outer C-shaped ring are fixedly mounted on the inner side of the top wall of the open pipe through a plurality of connecting frames, and the inner C-shaped ring is located on the inner side of the outer C-shaped ring; a tooth groove is formed in the end, close to the bottom, of the inner C-shaped ring, a slidable cross-shaped belt is arranged between the inner C-shaped ring and the outer C-shaped ring, and a plurality of rotatable hanging brackets are arranged at the bottom of the cross-shaped belt. The design of the vibration mechanism and the inclined plate is adopted, when a cross belt drives a plastic shell to rotate and move to enter a spraying chamber through a hanging rod, plastic vibrates for multiple times in a spraying area, when the plastic shell leaves the spraying area and vibrates for the last time, redundant paint on the surface of the plastic shell can be vibrated down, and the spraying efficiency is improved. And excessive rain-proof agent on the plastic surface is prevented from intensively adhering to form bulges.

The utility model relates to the technical field of mobile phone accessory processing, and discloses a mobile phone accessory processing clamp capable of uniformly spraying, which comprises a bottom plate, the left side and the right side of the top end of the bottom plate are respectively provided with a sliding chute, the right end of the bottom plate is fixedly connected with a first motor, and the driving end of the first motor is fixedly connected with a two-way screw rod; the end, away from the first motor, of the bidirectional screw is rotationally connected to the inner wall of the left sliding groove, the outer walls of the left end and the right end of the bidirectional screw are both in threaded connection with sliding blocks, and the outer walls of the sliding blocks on the two sides are both slidably connected to the inner walls of the sliding grooves in the two sides. According to the mobile phone accessory spraying device, through cooperation of the adjusting assemblies, the arc-shaped clamping plates stably clamp mobile phone accessories, the machining effect is enhanced, the mobile phone accessories can be overturned through the transmission assemblies, spraying can be conducted on multiple aspects of the mobile phone accessories, the effect of uniform spraying of the mobile phone accessories is achieved, and the finished product quality of the mobile phone accessories is improved.

The utility model belongs to the technical field of automobile manufacturing, and particularly relates to a uniform spraying device for surface treatment of automobile button parts, which comprises spraying equipment and a guide rail penetrating through the spraying equipment, a track is mounted on the guide rail, a plurality of round rods are in transmission connection with the track, cylinders are fixedly connected to the upper ends of the round rods, and fasteners are mounted on the peripheral sides of the cylinders. The lower side of the fastener is fixedly connected with a connecting pipe, and the lower side of the connecting pipe far away from the fastener is fixedly connected with an air pressure adjusting set. When the grip sleeve is moved up and down, the air pressure adjusting set generates air, the air can inflate the fastener through the connecting pipe, so that the automobile button part located on the outer side of the cylinder is stably clamped, and then the stabilized automobile button part is conveyed into spraying equipment through the guide rail and the crawler belt; the automobile button part in the spraying equipment is connected with the pull rod through the gear and the meshing teeth to achieve rotation, and the all-around uniform spraying effect is achieved.

The utility model relates to the technical field of automatic spraying for fasteners, and discloses an automatic spraying device for fasteners, which comprises a main body mechanism and a spraying mechanism, the spraying mechanism is fixedly mounted in the main body mechanism, the main body mechanism comprises a spraying machine, a base and a shell, the base is fixedly mounted at the bottom end of the spraying machine, and the shell is fixedly mounted at the bottom end of the spraying machine. And a shell is fixedly mounted on the outer surface of the spraying machine. According to the stable and efficient conveying system with the efficient spraying performance, the conveying belt system can stably convey fasteners, the speed of the conveying system can be adjusted (0.5-5 m / min), and the conveying speed can be flexibly adjusted according to actual production requirements and spraying process requirements. For example, when high-quality and high-precision spraying operation is carried out, the speed of the conveying belt can be properly reduced, so that each fastener has enough time to be uniformly sprayed under a spraying gun, and the spraying quality is improved.

The utility model discloses a paint spraying device for building decoration, which relates to the technical field of paint spraying and comprises a device body in a boss shape, and an opening is formed in the top of the boss. The jig body is provided with a feeding port, limiting blocks are arranged on the two sides of the feeding port, the feeding port faces downwards, a pair of clamping components is oppositely arranged on the inner surface of the jig body, and each clamping component is composed of a sliding rail, a first sliding block, a second sliding block, a fixing block, a connecting rod on the fixing block and an air cylinder. A plurality of nozzles are arranged on the surfaces adjacent to the clamping parts, and water inlets of the nozzles are connected with an external water pump; a supporting plate is arranged on the outer side face of the device body and provided with a motor. By arranging the clamping component and the motor, the clamping component is fixed through the clamping component, the clamping component is driven by the motor to rotate, rotation of the plate in the device body and spraying of the rotating plate by the nozzle are achieved, the spraying effect is more uniform, and the spraying effect is better.

The invention relates to the technical field of water tank cleaning, in particular to a water tank cleaning system of a purifying and heating all-in-one machine and a control method thereof. The system comprises a first controllable pipeline, a second controllable pipeline and a cleaning nozzle, the water inlet end of the first controllable pipeline is connected with the water outlet end of a first water suction pump, the water outlet end of the first controllable pipeline is connected with the water inlet end of the cleaning nozzle, and the cleaning nozzle is arranged at a water inlet of a pure water tank. The cleaning nozzle is used for self-rotating under the water flow pressure so as to spray hot water on the inner wall of the pure water tank, the water inlet end of the second controllable pipeline is connected with the water outlet of the pure water tank, and the water outlet end of the second controllable pipeline is connected with the water outlet. The advantage of space saving of the purification and heating all-in-one machine is maintained, meanwhile, efficient cleaning of the pure water tank is achieved, the self-purification capacity of the purification and heating all-in-one machine is effectively improved, and cleanliness and safety of water in the pure water tank in the long-term use process are guaranteed.

The invention belongs to the technical field of spray guns, and discloses an outside-gun mixing double-component spray gun capable of quickly replacing a mixing pipe, the outside-gun mixing double-component spray gun comprises a spray gun body, a feeding adapter, a disposable plastic mixing pipe, a mixing screw and a disposable plastic spray head, and the disposable plastic mixing pipe and / or the disposable plastic spray head are / is made of a plastic material; the rear end of the disposable plastic mixing pipe is detachably connected with a discharging opening in the front end of the feeding adapter, the front end of the disposable plastic mixing pipe is detachably connected with a disposable plastic spray head, and a mixing screw rod is movably arranged in the cavity; the whole disposable plastic nozzle is of a T-shaped structure, a nozzle adapter at the rear end of the disposable plastic nozzle is detachably connected with a disposable plastic mixing pipe, an atomizing nozzle is arranged at the front end of the disposable plastic nozzle, and an air inlet connector at the lower end of the disposable plastic nozzle is externally connected with a high-pressure air source through a hose. The mixing pipe outside the gun is designed into a disposable quick-wear part, so that the spray gun is prevented from being blocked due to too fast reaction of materials, and the problem of non-uniform mixing outside the gun in the prior art is solved.

The utility model relates to the technical field of packaging bag film coating, in particular to a woven packaging bag film coating device which comprises a main body mechanism, a leveling mechanism, a coating mechanism and a winding mechanism, an adjusting knob at the top end of a liquid coating cylinder is adjusted to a proper liquid spraying speed, a first motor drives a first leveling roller to rotate clockwise and drives a second leveling roller to rotate synchronously and reversely, and the coating mechanism is arranged on the main body mechanism. Twisting, tensioning and leveling effects are achieved, uneven film coating at wrinkles is avoided, the product quality is improved, and the machining speed is increased. The surface of the woven packaging bag is uniformly sprayed through a coating liquid spray head of the coating mechanism, part of excessively sprayed parts can be scraped off through a scraper, the scraped coating liquid is collected for secondary utilization through a residual liquid collecting tank, waste of the coating liquid is avoided, the economical efficiency of the device is improved, and the device is suitable for popularization and application. And meanwhile, the energy-saving and environment-friendly effects are also embodied. And through the drying box, the effect of rapidly drying the coated woven packaging bag is achieved, uneven condensation of coating liquid is avoided, and the operation efficiency and the machining quality are improved.

The invention discloses a high-precision all-dimensional polymer coating spraying system for a gear. The high-precision all-dimensional polymer coating spraying system comprises a gear preheating rotating device, a spraying device and a control device. The gear preheating rotating device heats and rotates the gear through the clamp, the heating device and the rotating disc so as to ensure that the gear meets the high polymer material spraying temperature requirement, and the stability of the coating spraying thickness is guaranteed. The spraying device is composed of an air compressor, a spray gun, a spray gun support, a coating pressure tank and a cleaning pressure tank. The spray gun accurately adjusts airflow and coating flow through an electronic control type pressure valve so as to achieve the uniform spraying effect. The control device adopts an industrial-grade PLC (Programmable Logic Controller) or an embedded control system to carry out centralized control on operations such as turntable rotation, gear heating and spray gun spraying. The device comprises a sensor and a control panel, and can monitor the equipment state and operation parameters in real time. By integrating the high-precision spraying function and the heating function, the precision and efficiency of gear coating treatment are remarkably improved through the system.

The utility model relates to the technical field of ship spraying, in particular to a ship surface spraying device which comprises a bottom table, the top of the bottom table is fixedly connected with a paint storage box with a feeding pipe, a storage battery box is fixedly installed on the right side of the paint storage box, and a driving motor is fixedly installed on the inner wall of the bottom table. The output end of the driving motor is fixedly connected with a main stirring rod, the side face, close to the inner wall of the bottom table, of the bottom table is rotationally connected with an auxiliary stirring rod through a pin shaft, electric heating plates are fixedly installed in the auxiliary stirring rod and the main stirring rod correspondingly, and the surface of the auxiliary stirring rod is connected with a reversing assembly; according to the structure, the spraying device can be freely positioned by arranging the positioning frame, so that positioning and temporary storage in different position ranges of a ship are facilitated, the stirring rod controlled by the driving end is arranged in the spraying device to mix paint, and the uniform spraying effect in the free positioning range on the ship is guaranteed.

The utility model relates to the technical field of circuit breaker copper piece machining and surface treatment, and discloses a surface anti-corrosion treatment device for circuit breaker copper piece machining, the surface anti-corrosion treatment device comprises a treatment tank and a top cover hinged to the outer wall of the top of the treatment tank, and a spraying mechanism is installed on the outer wall of the top cover and comprises a shaft pipe arranged on the outer wall of the middle of the top cover; the inner wall of the shaft pipe is rotationally connected with a hollow column, the bottom end of the hollow column is fixedly connected with a spraying pipe, the outer wall of the bottom of the spraying pipe is provided with a plurality of nozzles communicated with the spraying pipe, and the outer wall of the top of the top cover is further provided with a driving mechanism for driving the spraying pipe to rotate. And then the material conveying pipe is externally connected with an external feeding system, the anticorrosive paint is sprayed on the copper piece through the spraying mechanism, and in the spraying process, the spraying pipe can be driven by the driving mechanism to drive the multiple nozzles to rotate, so that the uniform spraying effect is achieved.

This utility model discloses a painting device for lamp production, including a housing. A sealed door is hinged to one side of the front of the housing, and a paint tank is fixedly connected to one side of the housing. A heating plate is fixedly connected to one side of the interior of the housing. An adjustment mechanism is provided inside the housing, and a painting assembly is provided on the top side of the interior of the housing. The adjustment mechanism includes a support plate fixedly installed on the bottom side of the interior of the housing. A circular box is provided on the top of the support plate, and a support column is fixedly connected to the top of the circular box. Sliding grooves are symmetrically opened on both sides of the support column, thereby achieving the effect of quickly fixing and limiting the lamp cover. It can meet the positioning and painting effect of lamp covers of various specifications, and effectively avoid the phenomenon of lamp cover shifting and shaking during subsequent rotation and painting. This greatly improves the stability and efficiency of lamp cover painting and increases the flexibility of equipment use.

The invention belongs to the technical field of plant protection spraying devices, and provides a multi-stage spraying device which comprises a cavity, a rotating body and a nozzle, the top of the cavity is connected with a liquid inlet pipe, and a plurality of liquid outlet holes are formed in the side face of the cavity; the rotating bodies are rotationally sleeved with the cavity, and mounting holes are formed in the side faces of the rotating bodies; the nozzle is detachably connected with the mounting hole, and a plurality of sets of sharp and blunt double-flow-channel structures are arranged on the inner side wall of the nozzle. The nozzles are driven to face different spraying directions through the rotating bodies rotationally connected with the cavity, different spraying modes can be achieved through the combination of the multiple rotating bodies, the spraying coverage range and uniformity are improved, and the irrigation requirements of crops with different heights and densities can be met. The sharp and blunt double-flow-channel structure arranged on the inner wall of the nozzle can improve the mixing efficiency of different fluid components, reduce the turbulivity of the fluid, stabilize the flowing of the fluid after mixing, contribute to forming a more uniform spraying mode, and improve the coverage range and uniformity of spraying.

The utility model discloses a kind of precision spraying devices for unmanned aerial vehicle parts surface uniform coating, it is related to unmanned aerial vehicle parts processing technical field, to solve the technical problem that current unmanned aerial vehicle paddle spraying equipment is cumbersome, easy to have spraying blind area, including spray tank, the partition is arranged in the middle of spray tank interior, the hanging mechanism is arranged in the middle of partition upper surface, the transmission mechanism is arranged in the middle of partition lower surface, the moving mechanism is arranged in the front surface of partition, and the spraying mechanism is arranged on the moving mechanism. The utility model is by the meshing transmission of straight gear and rack, the one-way limiting structure of ratchet pawl and the design of vertical flat nozzle, when moving mechanism drives nozzle transverse movement to spray, the transmission mechanism can be synchronously driven to realize the automatic turning of paddle, to effectively improve the efficiency and uniformity of spraying operation, reduce cumbersome steps in operation process and the generation of spraying blind area.

The utility model provides electrostatic spraying equipment, which is used for uniformly attaching a viscosity-reducing spraying object to the surface of an aerosol generating substrate, the electrostatic spraying equipment comprises an electrostatic generator, the electrostatic generator is used for enabling the viscosity-reducing spraying object to be charged, and the charged viscosity-reducing spraying object is uniformly attached to the surface of the aerosol generating substrate after being sprayed. The utility model further provides an aerosol generating substrate and a manufacturing system thereof, the system comprises a first rolling device, a first drying device, a first conveying device, an electrostatic spraying device, a second rolling device, a second conveying device and a second drying device, and the purpose is to reduce the surface viscosity of the aerosol generating substrate. And adverse effects caused by mutual adhesion and block connection due to long-time storage of the aerosol generating substrates after boxing are reduced.

The invention relates to the field of circuit board gluing, in particular to a circuit board gluing device for sensor production, which comprises a shell assembly, a conveyor and support rods fixedly mounted on two sides of the conveyor, a circuit board is arranged at the top of the conveyor, and a console is arranged on the right side of the conveyor; a first connecting pipe is fixedly mounted at the top end of the console, and an adjusting valve is fixedly mounted at the tail end of the first connecting pipe; and the gluing assembly comprises a glue storage disc arranged above the circuit board. The movement of the brush plate enables the brush bristles to continuously slide on the filter disc, glue attached to the brush bristles is squeezed back to the circuit board again, the brush bristles are prevented from taking out too much glue, and the situation that too much glue is solidified on the brush bristles to affect use is also prevented; and through the balls, glue attached to the inner wall can be effectively scraped and reused, solidification is prevented, bubbles can be reduced, and the spraying quality is improved.

The application discloses a kind of active fire-fighting cooling systems and methods for suspension bridge main cable, including monitoring unit, water supply unit, spray cooling unit and control unit, monitoring unit is laid in the bottom of main cable and stiffening beam top, real-time monitoring bridge deck fire and main cable temperature;Water supply unit is equipped with two, including water pump group and water supply main pipe, water supply main pipe one end goes into river, the other end is laid to midspan along bridge tower, stiffening beam access to midspan;Main cable fireproof area is divided into multiple spray zones along midspan to two sides, each spray zone is equipped with spray cooling unit, and spray zone is communicated with water supply main pipe;Control unit is connected with monitoring unit, water supply unit and spray cooling unit.The application controls corresponding water supply unit to open water supply according to the main cable temperature and fire location monitored by monitoring unit, triggers corresponding spray zone unit to start spraying cooling water, realizes the accurate cooling of main cable, and effectively solves the high temperature damage problem of main cable under fire through active protection mode.

The invention discloses a spraying and drying device for glaze of a disc-shaped suspension type porcelain insulator, and relates to the field of insulator manufacturing, the spraying and drying device comprises a base and a spraying box arranged at the top end of the base, a placement groove is formed in the top end of the spraying box, a rotating disc is rotatably connected to the bottom end of the interior of the placement groove, a fixing column is fixed to the rotating disc, and the fixing column is fixed to the bottom end of the spraying box. An insulator body is placed on the rotating disc, a vibration sensor is embedded in the top end of the rotating disc, a motor is fixed in the base, after the insulator body is installed, the outer side and the bottom end of the insulator body can be sprayed through the two spraying notches respectively, and after the insulator body rotates by a circle along with a driving shaft of the motor, the motor is driven by the motor to rotate. The whole insulator body spraying task can be completed only by means of the spraying device, time and labor are saved, and compared with the spraying procedure of manual work and a mechanical arm spraying gun, spraying is conducted according to the shape of the insulator body, and the spraying effect is more uniform.

The invention relates to a spraying plate and a coating device. The spraying plate comprises a connecting piece set and a spraying piece connected with the connecting piece set, the spraying piece is provided with a plurality of spraying holes, the spraying holes are used for outputting gas, a hollow channel is defined by the spraying piece and the connecting piece set, and the extending direction of the hollow channel intersects with the extending direction of an output channel, used for outputting the gas, of the spraying holes. The hollow channel is formed in the spraying plate, the spraying plate can be compatible with plasma enhanced atomic layer deposition equipment, the extending direction of the hollow channel intersects with the extending direction of the output channel, used for outputting gas, of the spraying hole, and the gas sprayed out of the hollow channel can be evenly mixed with a coating material or other gas sprayed out of the spraying hole; and the coating uniformity of the to-be-coated part is improved.