31results about How to "Stable spraying" patented technology

The invention discloses insect prevention, irrigation and fertilization integrated equipment based on vegetable greenhouse planting. The insect prevention, irrigation and fertilization integrated equipment comprises a walking frame, a lifting mechanism, an inclination angle adjusting mechanism and an operation mechanism. The lifting mechanism is installed on the walking frame, and the dip angle adjusting mechanism is connected with the lifting mechanism and ascends and descends along with the lifting mechanism. In the operation mechanism, an assembling support is matched with the inclination angle adjusting mechanism, and a main folding and unfolding support is installed on the assembling support in a sliding mode. The alignment adjusting assembly is in power connection with the main folding and unfolding support. And the folding and unfolding adjusting assembly is in power connection with the auxiliary folding and unfolding supports. The driving assembly is in power connection with the alignment adjusting assembly and the folding and unfolding adjusting assembly; the spraying assembly comprises a nozzle, a liquid supply connecting pipe and a scissors fork type mechanism, the scissors fork type mechanism is mounted on the main and auxiliary retractable brackets, the liquid supply connecting pipe is uniformly assembled on the scissors fork type mechanism, and the nozzle is connected to the liquid supply connecting pipe. The production efficiency of greenhouse vegetables can be effectively improved, the cost is reduced, the resource waste is reduced, and the requirements of efficient, energy-saving and sustainable agricultural development are met.

The utility model relates to an automatic sand blasting device for tubing couplings and pup joints. The automatic sand blasting device comprises a feeding rack, the sand blasting unit comprises a driving rotating part, a driven rotating part, a clamping cylinder and a sand blasting gun; a blanking rack; and a moving unit including a first moving portion and a second moving portion. Compared with the prior art, the oil pipe coupling and short section spraying device enables oil pipe coupling and short section spraying to be more automatic, saves resources, and improves production efficiency.

The invention relates to the technical field of leather processing, in particular to a leather forming processing device for automotive trim. The device comprises a pretreatment device and a mold device, the rear side of the mold device is connected and provided with a trimming device, the front side of the mold device is connected and provided with a heating device, and the mold device is internally provided and connected with a cooling device. The pretreatment device is used for improving the quality and the processing efficiency of leather, improving the consistency of products and effectively shortening the production cycle, the mold device is used for forming the leather, ensuring the size accuracy and effectively improving the consistency of the products, and the heating device is used for softening the leather, facilitating subsequent processing, improving the process effect and effectively improving the quality of the products. The cooling device is used for rapidly cooling leather, stabilizing the size and effectively improving the product precision, the trimming device is used for finely adjusting the leather and improving the finished product quality, and the safety monitoring device is used for guaranteeing the safety of the machining process and effectively improving the operation safety.

The invention discloses an automatic transportation device based on an AGV, and relates to the technical field of transportation devices. The AGV transportation device comprises an AGV transportation device body, a multi-axis mechanical arm module is arranged on the rear side of the top of the AGV transportation device body, a bearing device is arranged on the front side of the top of the AGV transportation device body and comprises a bearing frame, the bearing frame is fixed to the top of the AGV transportation device body, a through opening is formed in the front side of the bearing frame, and the bearing frame is fixed to the top of the AGV transportation device body. And a plurality of containing openings are formed in the two sides of the inner wall of the through opening of the bearing frame, a plurality of bearing frames are fixed in the bearing frame, and a double-shaft motor is fixed to the bottom of the bearing frame. According to the photovoltaic panel transportation device, through the arrangement of the bearing device, the photovoltaic panel is clamped and fixed to the bearing frame through the two rubber belts, so that the problems that the photovoltaic panel is displaced due to external impact in the transportation process and the photovoltaic panel is prone to slipping off are solved, and then the transportation stability of the photovoltaic panel is improved.

The invention relates to an electrical control system of a pesticide applying and supplying separated greenhouse plant protection robot. The system comprises an environment sensing module, a pesticide supplying and applying control module, a motion control module and a safety module. The environment sensing module is used for acquiring environment information in the greenhouse and current position information of the robot; the pesticide supplying and applying control module is used for controlling the robot pesticide applying part and the pesticide supplying part to synergistically spray pesticide liquid and detecting the tightness degree of a pesticide liquid supplying pipe connecting the robot pesticide applying part and the pesticide supplying part; the motion control module receives information of the environment sensing module and controls the robot to operate; and the safety module monitors the distance between the current position of the robot and the obstacle in the greenhouse in real time and performs safety protection on the robot. Compared with the prior art, the pesticide application and supply separation type greenhouse plant protection robot can be controlled, it is ensured that the robot pesticide supply part and the robot pesticide application part can be well matched in the operation process of the robot, and the pesticide application work efficiency is improved.

The utility model relates to the technical field of garden protection, in particular to a garden landscape protective fence which is characterized in that a base is fixed below a supporting column, a protective fence plate is fixed on the inner side of the supporting column, a rotating rod is rotationally connected to the upper end of the supporting column, a limiting assembly is arranged on the rotating rod, and a first transmission cylinder is fixed to the end face of the rotating rod; a second transmission cylinder is rotationally connected to the surface of the supporting column, a transmission belt is arranged on the first transmission cylinder and the second transmission cylinder, the second transmission cylinder is rotationally connected to the supporting frame, the limiting frame is fixed to the rotating rod, an inner cavity is formed in the surface of the limiting frame, side grooves are formed in the two sides of the inner cavity, and a water pipe is arranged in the inner cavity; the garden spraying device has the beneficial effects that a water pipe is limited and fixed through an arranged limiting assembly, the stability of the water pipe during spraying is guaranteed, rotation of a rotating rod is achieved by rotating a rotating handle under the combined action of a first transmission cylinder, a second transmission cylinder and a transmission belt, then the water pipe and a spray head are driven to conduct angle adjustment, and effective spraying on a garden is achieved.

The invention discloses an automatic gluing device for paperboard production, and belongs to the technical field of paperboard production, the automatic gluing device comprises a base, guide rollers and pressing rollers, the pressing rollers are rotatably mounted in the base, the number of the pressing rollers is two, the side face of the base is provided with multiple sets of guide rollers for paper limiting conveying, and the side face of the base is provided with a moving part. By arranging the moving part and the spraying mechanism, glue can be sprayed on the surface of the paper at the middle end while each layer of paper is stably conveyed, in the spraying process, a glue spray head can stably move, it is guaranteed that the glue on the surface of the paper is uniformly sprayed, and in the moving process of the glue spray head, the glue can be uniformly sprayed on the surface of the paper. The two sets of cleaning brushes can stably clean impurities on the surfaces of paperboards and preliminarily and evenly smear sprayed glue, synchronous stacking and bonding of multiple layers of paper are achieved, stable gluing treatment of the paperboards is achieved, and the working quality of the equipment is guaranteed.

The utility model relates to the technical field of spraying equipment, in particular to a rock wool composite board adhesive spraying device. The device comprises a placing table, a movable supporting assembly, a material conveying assembly and a positioning clamping mechanism, and the placing table is used for placing the rock wool composite board; the supporting and moving assembly is arranged on one side of the placing table and used for supporting and moving the placing table; and the material conveying assembly is arranged on the supporting and moving assembly, is driven by a material conveying pump and is used for spraying an adhesive onto the rock wool composite board. According to the spraying device for the rock wool composite board, the sprayers are rapidly installed in a threaded connection mode, the positions of the sprayers are adjusted, then under the condition that the sprayers are arranged, comprehensive spraying can be rapidly conducted on the board face of the rock wool composite board, the spraying efficiency of the rock wool composite board is improved, residual adhesives in the sprayers can be collected through the collecting frame, the material returning pipe and the containing table, and the spraying efficiency is improved. The environment protection is improved; and the adhesive resource is saved.

The utility model discloses an elliptic nozzle seat device of a dyeing machine. The elliptic nozzle seat device comprises a nozzle seat main body and an adjusting device, by arranging the adjusting device, namely pushing the whole nozzle main body, the connecting block can indirectly rotate the ratchet wheel, so that the ratchet wheel is matched with the locking block and the pressure spring which are arranged in the locking structure, intermittent inserting and locking are realized, the nozzle main body is ensured to be in a stable state after being adjusted, and the nozzle main body can stably adjust spraying; a locking structure is arranged, that is, the position of an inclined plane at the top of a locking block can be conveniently adjusted by pulling down and rotating a knob to meet the locking requirement of forward and reverse rotation of a ratchet wheel, so that the spray nozzle main body can be adjusted up and down and can be locked, and a limiting rod and a limiting groove are matched to ensure that the adjusted locking block is in a stable locking state; therefore, the use angle of the nozzle main body can be flexibly adjusted up and down and can be conveniently adjusted and locked.

The utility model provides a charging barrel support and ultrasonic crushing and dispersing equipment, and belongs to the technical field of ultrasonic equipment, the charging barrel support comprises a supporting seat, the supporting seat is of a hollow closed structure defined by a hollow pipe, the hollow part of the supporting seat is arranged to be a hollow area, and a cooling liquid channel is arranged in the hollow pipe of the supporting seat; the cooling liquid channel is arranged around the hollow area, a cooling liquid inlet and at least one cooling liquid outlet are formed in the wall of the supporting base, and the cooling liquid outlets are located in the inner side wall, facing the hollow area, of the supporting base. The utility model has the beneficial effects that the charging barrel can be erected on the supporting seat, and the supporting seat is formed by enclosing the hollow pipes, so that the cooling liquid channel surrounds the periphery of the charging barrel, the cooling liquid outlet is just aligned with the outer wall surface of the charging barrel, and cooling liquid flowing out of the cooling liquid outlet can be just poured on the outer wall of the charging barrel; therefore, the charging barrel is cooled during ultrasonic crushing and dispersing operation.

The present invention belongs to the technical field of spray fertilizer application device, especially an automatic spray fertilizer application device for nursery. Aiming at the problems that fertilizer mixing is not quick and sufficient, manual operation wastes time, and is time-consuming and labor-intensive, the following scheme is proposed, which includes a base, a plurality of bottom wheels are fixedly installed at the bottom of the base, a mixing box is fixedly installed at the top of the base, an electric push rod is fixedly installed on one side of the mixing box, a water inlet and a water outlet are provided on the mixing box, a water pump is fixedly installed at the top of the base, the water pump and the mixing box are adapted, a water outlet pipe is fixedly installed on the water pump, a plurality of nozzles are fixedly installed on the water outlet pipe, a fertilizer box is fixedly installed on the top of the mixing box, a material inlet and a material outlet are provided on the fertilizer box, and a water pump pipe is fixedly installed on the water pump. The present invention is more convenient and stable to use, does not need to add fertilizer intermittently by manual labor, saves labor, has higher work efficiency, and saves time and effort.

The utility model belongs to the field of pesticide spraying device, concretely is a kind of lotus root planting organic fertilizer pesticide spraying device, the bottom of spraying device is provided with locating plate, the upper portion of locating plate is inserted with antiskid rod, the bottom fixedly connected with locating plate has connecting column, the bottom fixedly connected with connecting column has bearing plate, when the spraying device of connecting column upper portion is moved by bearing plate, the pesticide spraying pipe of spraying device side portion can carry out pesticide application to lotus root pond, and the bottom of bearing plate is in contact with lotus root pond silt ground area, avoid spraying device in the process of moving to sink into silt ground, to reduce work intensity, while the end of bearing plate is provided with pry plate, so that in the process of bearing plate movement, when the protruding soil layer is encountered in moving path, it can also pass smoothly, the stop block can prevent steering rod from continuing to rotate when steering rod is in vertical state, so that the steering rod can be kept in place, and multiple antiskid rods can form a fence to avoid the spraying device from falling during movement.

The invention relates to the technical field of lead frame surface treatment, in particular to a lead frame surface oxidation-resistant and corrosion-resistant coating treatment device. Comprising a machining platform, and a driving mechanism is arranged on the edge of one side of the top of the machining platform; and the output end of the driving mechanism is in transmission connection with a clamping turnover mechanism. The positioning camera is used for scanning the placement state and the shape structure of the lead frame, the clamping turnover mechanism is controlled to adjust the position, and then a plurality of groups of fifth electric push rods are controlled to drive a plurality of groups of limiting assemblies to independently adjust so as to adapt to the shape of the lead frame; then a plurality of groups of limiting assemblies are controlled to be clamped on the two sides of the lead frame, so that when a worker places the lead frame, the position does not need to be kept consistent every time, the labor intensity of the worker is reduced, meanwhile, it can be guaranteed that the lead frame is kept stable during spraying, displacement generated under high-speed impact of a detergent is avoided, and the working efficiency is improved. And the working quality of the treatment device is improved.

The utility model discloses aluminum alloy sol-gel anti-corrosion coating equipment, and relates to the technical field of aluminum alloy corrosion prevention. Comprising a fixing base, and a fixing cover and a workbench are arranged on the outer side of the fixing base; the rotating assembly is arranged on the outer side of the workbench and used for supporting the aluminum alloy profile; the clamping assembly is arranged in the connecting assembly and used for fixing the aluminum alloy profile; and the connecting assembly is arranged in the connecting assembly and used for transmitting power to the clamping assembly. Through the arrangement of the rotating assembly, the connecting assembly and the clamping assembly, the aluminum alloy section is driven to rotate in multiple directions in the spraying process through the cooperation of the rotating table, the gear ring, the first gear, the second gear, the third gear, the connecting shaft, the fixing shaft, the sliding rod and the fixing plate, the situation that the aluminum alloy section is fixed to the bearing platform is avoided, and the spraying efficiency is improved. And the contact surface of the aluminum alloy profile and the bearing platform needs to be independently sprayed, so that the spraying efficiency is improved.

The utility model discloses an unmanned aerial vehicle plant protection accurate spraying device for corn planting, relates to the technical field of unmanned aerial vehicle spraying, and aims to solve the problems that an existing spraying device has defects in adjusting a single spraying range according to different planting ranges, has limitation in realizing accurate spraying, and is inconvenient to use. According to the technical scheme, the water heater is characterized by comprising a water tank, a water outlet pipe base is fixedly connected to the lower end face of the water tank, a control valve is installed in a pipeline of the water outlet pipe base, and a plurality of water outlet pipes are connected to two water outlet ports of the water outlet pipe base in a threaded mode; the multiple water outlet pipes are connected end to end, and spraying nozzles are arranged on the outer surfaces of the water outlet pipes. And the effects that the single spraying range can be adjusted according to different planting ranges, waste of water resources is avoided, meanwhile, accurate spraying operation can be achieved, and use flexibility and practicability are high are achieved.

The utility model discloses a novel concentrated liquid back-spraying pressure stabilizing system, which relates to the technical field of concentrated liquid back-spraying and comprises a landfill leachate tank, and the liquid outlet end of the landfill leachate tank is connected with the liquid inlet ends of a first concentrated liquid back-spraying pump and a second concentrated liquid back-spraying pump through pipelines. The liquid outlet end of the first concentrated liquid back-spraying pump and the liquid outlet end of the second concentrated liquid back-spraying pump are connected with a back-spraying middle pool through a main pipeline; when the device is used, leachate in the landfill leachate pool is pumped out through the first concentrated liquid back-spraying pump or the second concentrated liquid back-spraying pump and conveyed into the back-spraying middle pool through the main pipeline, the back-spraying middle pool can be used as a transfer station, and the fall between the first back-spraying stabilized pressure pump and the first spray gun assembly and the fall between the second back-spraying stabilized pressure pump and the second spray gun assembly are small. The conditions that the pipeline is too long and the resistance is large are avoided, the loss of outlet pressure heads of the first back-spraying pressure-stabilizing pump and the second back-spraying pressure-stabilizing pump is reduced, the back-spraying pressure of concentrated liquid is stable, the gas-liquid pressure ratio of the spray gun is guaranteed, and therefore the atomization effect of the spray gun is improved.

The invention provides a PS-PVD thermal barrier coating and a preparation method thereof, relates to the technical field of thermal barrier coating preparation, and is designed for solving the problem that an existing thermal barrier coating formed on the surface of a turbine blade is high in cost. According to the preparation method of the PS-PVD thermal barrier coating, the median particle size D50 of ceramic powder adopted for preparing the thermal barrier coating is 6-8 microns, and the crushing strength of the ceramic powder is larger than 100 MPa when the deformation quantity is 10%; ceramic powder is fed into the plasma spray gun anode in a double-side powder feeding mode, the powder feeding direction is opposite to the jet flow direction, and the included angle between the cross section of the powder feeding direction and the cross section of the jet flow direction is alpha; in the plasma main gas, the flow ratio of argon to helium is 1: 1-8: 1. According to the preparation method, the preparation cost of the PS-PVD thermal barrier coating can be remarkably reduced.

The utility model relates to efficient and energy-saving yarn spray-dyeing equipment, and relates to the field of yarn spray-dyeing equipment. The spray-dyeing device comprises a spray-dyeing box and a traction wheel set arranged outside the spray-dyeing box, a first supporting roller and a second supporting roller are installed in the spray-dyeing box and rotationally connected with the spray-dyeing box, and a positioning shell is installed between the first supporting roller and the second supporting roller; the positioning shell is fixedly installed on the inner side of the rear end face of the spray dyeing box, and a multi-head spray frame is rotationally installed in the positioning shell. The first supporting roller and the second supporting roller are installed in the spray dyeing box to achieve auxiliary supporting of yarn to be subjected to spray dyeing, the multi-head spraying frame is arranged between the first supporting roller and the second supporting roller so that stable spraying of the yarn can be achieved, and the multi-head spraying frame is designed to be of a structure with the multilateral lantern rings and the multiple spraying head sets matched. In this way, the purpose of jet-dyeing the yarn from different angles can be achieved.

This utility model discloses a multi-functional spraying vehicle for vegetable pest and disease control, belonging to the field of agricultural machinery technology. The spraying vehicle includes a main frame, a storage tank, and a base. Its key feature is a dynamic spraying structure mounted on the base, with a lifting platform driven by a lifting device for vertical lifting. The lifting platform is equipped with a reciprocating swing assembly driven by an electric actuator via a connecting rod assembly. This assembly includes a rotating shaft, an extension plate, and a support plate. The extension plate swings around the rotating shaft, and the support plate can slide along the extension plate to adjust the spray arm length. A nozzle is located at the top of the support plate. Combined with fixed nozzles mounted on the side panels and bottom rotating disc of the vehicle body, a multi-directional spraying system is formed. This utility model solves the problems of incomplete coverage, limited functionality, and inability to adapt to different plant heights in existing spraying equipment. It features comprehensive spraying without dead angles, adjustable height and range, stable structure, and the ability to flexibly meet diverse agronomic needs.

The invention discloses an ultraviolet fabric surface coating device and a coating method, and relates to the technical field of fabric spraying, the ultraviolet fabric surface coating device comprises two groups of uniform speed mechanisms, two groups of mountain-shaped frames are symmetrically mounted on a bottom plate in a sliding manner, two pairs of concave discs are symmetrically mounted on a vertical frame of each mountain-shaped frame, a winding roller is detachably mounted between each pair of concave discs, and the winding rollers are detachably mounted on the vertical frame of each mountain-shaped frame; spraying assemblies are arranged on the two sets of spraying pipe frames on the E-shaped frame. The two sets of speed equalizing mechanisms are symmetrically arranged on a vertical frame of the set of E-shaped frames, the planetary plates and the corresponding concave plates are fixedly installed, the driven frames are longitudinally installed on the vertical frame in a sliding mode, the multiple sets of T-shaped frames are installed on the planetary plates in a sliding mode in the radial direction, rollers of the driven frames make close contact with fabric on a winding roller, and U-shaped frames of the driven frames make contact with the cambered surfaces of the T-shaped frames in a matched mode. And transmission belts are arranged on the T-shaped frames of the two groups of speed equalizing mechanisms. The fabric coating device can coat fabrics with different widths, the fabric conveying speed and the fabric rolling speed are the same, and the fabric is prevented from deforming in the coating process.

The utility model discloses a leaf lycium barbarum disease and pest prevention spraying device, which belongs to the technical field of agricultural appliances and comprises a main body, a pesticide spraying mechanism is fixed at the top end of the main body, one side of the pesticide spraying mechanism is connected with a pesticide liquid tank, and the pesticide spraying mechanism comprises a lower spraying pipe. The two sides of the bottom end of the lower spraying pipe communicate with lower spraying heads, a booster pump is fixed to the bottom end of the lower spraying pipe, the top end of the lower spraying pipe is sleeved with a telescopic pipe, and the bottom end of the telescopic pipe is sleeved with a sealing plug. According to the spraying device, a spraying structure formed by combining the lower spraying pipe and the upper spraying pipe is arranged at the top end of the frame, lower spraying heads communicated with the two sides of the lower spraying pipe can be used for spraying lower stem positions of passing planting fields on the two sides, and upper spraying heads can be used for spraying upper positions; in cooperation with an electric telescopic rod, telescopic adjustment can be achieved so as to adapt to the heights of leaf-use wolfberries with different growth vigor, and therefore the coverage degree of sprayed pesticide is ensured while manpower is saved, and spraying dead angles are avoided.

The utility model discloses an inner wall spraying device for groove pipe fitting processing, which comprises a workbench, the upper surface of the workbench is provided with a mounting groove, one end in the mounting groove is fixedly provided with a power motor, and the power end of the power motor is fixedly connected with a threaded rod. The end, away from the power motor, of the threaded rod is rotationally connected to the other end of the interior of the mounting groove, the surface of the threaded rod is sleeved with a movable seat in a threaded mode, a fixing structure is arranged on the upper surface of the movable seat, a supporting seat is fixedly connected to the upper surface of the workbench, and a spraying structure is arranged on the front face of the supporting seat. By arranging the fixing structure and the spraying structure, the device can fix grooved pipes of different sizes, the device is more stable during spraying, errors cannot be generated in the spraying process, and by arranging the dust removal structure, the device can clean the grooved pipes before spraying, and the influence of dust on the spraying effect is avoided.

The present invention belongs to the technical field of pipe joint spraying equipment, specifically a pipe joint spraying equipment, comprising a spraying chamber and a U-shaped support frame, the interior of the U-shaped support frame is provided with a sliding groove, the interior of the sliding groove is movably installed with a sliding bar, the sliding bar slides inside the sliding groove under the action of an electric drive, and a first hook bar is fixedly installed at the lower end of the sliding bar, the lower end of the first hook bar is hooked on the first pipe joint, and the top weight block is driven to rise through the electric drive component, and then the pulling rope is pulled, the length of the pulling rope between the L-shaped clamping strip and the L-shaped fixing strip is shortened, that is, the spacing between the L-shaped clamping strip and the L-shaped fixing strip is shortened, and a vertical side of the L-shaped clamping strip cooperates with the L-shaped fixing strip to clamp the shaking first pipe joint, that is, fix it, and when the sliding bar does not slide again, the first pipe joint inside the spraying chamber is stable, and the stable first pipe joint is sprayed without wasting paint.

The utility model provides a spraying device for a waterproof test of textiles, and belongs to the technical field of machinery. The problem of poor stability in the prior art is solved. The spraying device for the waterproof test of the textiles comprises a rack and further comprises a driving part, a guide rail, a sliding block and a spraying assembly, the guide rail is vertically arranged on the rack, the spraying assembly is connected to the guide rail, the driving part is fixedly connected to the rack and connected with the spraying assembly, a height identification assembly is arranged between the spraying assembly and the rack, and the height identification assembly is connected with the sliding block. The driving piece can drive the spraying assembly to horizontally move up and down along the guide rail, and the height position of the spraying assembly can be visually checked through the height identification assembly after the spraying assembly moves. The spraying device for the waterproof test of the textiles is high in stability.

The invention provides a fire-fighting unmanned aerial vehicle foam generating system which comprises an unmanned aerial vehicle, an injection pipe and a balance fan are arranged at the bottom of the unmanned aerial vehicle, the injection pipe is slidably connected with the unmanned aerial vehicle, an output hose is arranged between the injection pipe and a foaming bin and comprises a water spraying pipe and a supporting air pipe, and the balance fan comprises an adjusting valve, a pneumatic screwdriver and a balance propeller. An air inlet of the adjusting valve communicates with the supporting air pipe, a first air outlet communicates with the external environment, a second air outlet communicates with the pneumatic screwdriver, and the pneumatic screwdriver is connected with the balance propeller. According to the foam generating system of the unmanned aerial vehicle for fire fighting, the air compressor of the system provides compressed air and compressed air foam for fire extinguishing, the injection pipe extrudes the adjusting valve through recoil force, so that the balance propeller arranged at the output end of the pneumatic screwdriver rotates to generate corresponding recoil force to balance the recoil force of the injection pipe, and the foam generating effect is achieved. The adjusting valve adjusts the rotating speed of the balance propeller in real time according to the recoil force, so that the position of the unmanned aerial vehicle at high altitude is stable.

The invention belongs to the field of material surface modification and coating technology, and discloses a high-speed low-temperature spray gun and a system thereof for cooling a flame flow in a combustion chamber, including a combustion chamber, the combustion chamber is composed of a contraction section, a combustion section and an inlet section, the contraction section is connected to a nozzle, a porous catalytic ceramic plate, a gas distribution unit, and a spray gun tail seat are arranged in sequence at the inlet section, a spray gun housing is arranged outside the combustion chamber, a nozzle housing is arranged outside the nozzle, a powder delivery needle is arranged in the middle of the spray gun tail seat, the spray gun tail seat is provided with a curved compressed air channel and is connected to the gas distribution unit, a cooling gas distribution ring is arranged on one side of the combustion section close to the contraction section, an ignition port is arranged on the other side, and a gas channel is arranged in sequence through a porous catalytic ceramic plate, a gas distribution unit, and the middle of the spray gun tail seat and connected to a gas interface. The spray gun of the present invention reduces the spraying temperature, thereby effectively inhibiting oxidation and decomposition of particles during the spraying process.

The utility model discloses a fire-fighting water cannon convenient to move for fire fighting, which comprises a mobile vehicle, universal wheels are fixedly mounted at the bottom of the mobile vehicle, a water cannon barrel is arranged on the top surface of the mobile vehicle, and a processing assembly is arranged outside the mobile vehicle and comprises a supporting assembly arranged outside the mobile vehicle. When fire fighting work needs to be carried out, the movable trolley is moved to the needed position, the binding belt is loosened, the sleeve is rotated, the sleeve rotates with the fixing block as the rotation center, the protruding block is pressed, the protruding block slides towards the interior of the extension rod and is extruded with the spring, then the extension rod is pulled towards the outer wall of the sleeve, the supporting range is expanded, and the extension rod is pulled according to the existing terrain, so that the fire fighting work is carried out. After the lengths of the extension rods and the sleeves are adjusted, the protruding blocks are not pressed any more, under the elastic action of the springs, the protruding blocks are connected with clamping holes formed in the bottoms of the sleeves in a clamped mode, the hydraulic cylinders are started, the clamping jaws make contact with the ground, and the four sleeves and the extension rods can stably support the moving trolley.

The invention relates to the technical field of mechanical property testing, and provides a preparation method of flexible speckles for biological soft tissues, a composite test body and application of the composite test body. The flexible speckle is obtained by spraying a bi-component polyurethane coating on the surface of a biological soft tissue and then curing the bi-component polyurethane coating. The prepared flexible speckle has excellent elasticity and adhesive force, can cooperatively deform along with tissues under the condition of relatively large tensile strain without generating obvious cracking, peeling or relative slippage, and can meet the requirements of a biological soft tissue large deformation mechanical test; meanwhile, the preparation method provided by the invention is simple to operate, does not need complex pretreatment such as primer precoating and polishing, and is good in repeatability and wide in application range.

The utility model relates to the technical field of plating layer preparation devices, and discloses a spraying type polished section plating layer preparation device which comprises a working cabinet, a support is fixedly connected to the top of the working cabinet, a rotating rod is movably connected to the inner surface of the support, a containing groove is formed in the outer surface of the rotating rod, and the rotating rod is movably connected to the top of the working cabinet. The top of the placing groove is fixedly connected with an outer frame, the inner surface of the outer frame is movably connected with a moving block, one side of the moving block is fixedly connected with a clamping block, the top of the inner surface of the working cabinet is provided with a sprayer, and the bottom of the sprayer is fixedly connected with a nozzle. The surface of the polished section can be kept stable and prevented from shaking or moving in the spraying process, the surface of the polished section can be more evenly covered with paint, it can be guaranteed that the two faces can be evenly and completely covered with the paint, in this way, it can be avoided that only one face is fully sprayed, and the overall quality of the polished section is improved.