355results about How to "Spray evenly" patented technology

The utility model relates to the technical field of concrete electric poles, and discloses a concrete electric pole production energy-saving maintenance device which comprises a maintenance mechanism, an adjusting mechanism is installed on the inner wall of the maintenance mechanism, a supporting mechanism is arranged in the maintenance mechanism, and a concrete electric pole body is installed on the inner wall of the supporting mechanism. A steam mechanism is installed on the inner wall of the curing mechanism, a drainage mechanism is installed on one side of the curing mechanism, the adjusting mechanism comprises a supporting frame, the outer portion of the supporting frame is fixedly connected to the inner wall of the curing mechanism, and a first motor is fixedly connected to the top of the supporting frame. According to the electric pole steam spraying device, gas in the steam box is sucked through the draw-off pump, enters the flow dividing pipe through the connecting pipe and is finally sprayed out through the spraying head, the first motor drives the rotating plate to rotate, drives the follow-up plate to move and controls the limiting block so as to adjust the positions of the flow dividing pipe and the spraying head, and it is guaranteed that steam is evenly sprayed to the surface of an electric pole.

The utility model relates to the technical field of rough rolling mill, and disclose a rough rolling mill, include: base, heating mechanism, rough rolling mechanism and finishing mechanism, heating mechanism, rough rolling mechanism, finishing mechanism are assembled in the upper end of base respectively, the top of base is assembled with cooling roll, the outside of cooling roll is evenly provided with water outlet groove, the front of cooling roll is assembled with servo motor, and the other end of cooling roll is inserted with the short pipe, the outside of short pipe and servo motor is all bushed with bearing, and the ground of bearing is connected with base through pedestal. The rough rolling mill, the outside of big specification round bar is evenly sprayed water source, thereby realizes the even cooling to big specification round bar, reduces the outside temperature difference of big specification round bar, thereby improves the processing effect to big specification round bar, and simultaneously through the water storage module of adding, the water source produced by the device cooling big specification round bar is recycled, and then realizes the recycling of cooling water, reduces the waste of water resources.

The utility model provides an adjustable spraying structure which comprises a main spraying pipe and a spraying head, the spraying head is connected to the main spraying pipe and communicated with the main spraying pipe, the adjustable spraying structure further comprises an adjusting piece, and the adjusting piece penetrates through a water outlet of the spraying head and is connected with the main spraying pipe and / or the spraying head. The outer wall of the adjusting part is provided with a guiding inclined face used for enabling fluid sprayed out of the water outlet to diffuse outwards, the adjusting part moves in the direction close to or away from the spray head and is positioned, and the aim of flexibly adjusting the spraying range is achieved.

The application provides a kind of biological organic fertilizer efficient aerobic fermentation device, it relates to organic fertilizer fermentation technical field, including: base;The base is fixed with support, the upper portion of support is hinged with baffle, and support is installed with screw rod lifting seat A and screw rod lifting seat B by bolt, and the screw rod in screw rod lifting seat A and screw rod lifting seat B is connected with the lower end of baffle by pin shaft, and the input shaft of screw rod lifting seat A is connected with the input shaft of screw rod lifting seat B with connecting rod;The application integrates stirring, oxygen supply, fungicide spraying, material conveying, waste gas treatment and other multiple functions, forms complete fermentation process system, through the collaborative work of each hydraulic rod, motor and transmission mechanism, can be flexibly adjusted according to different material characteristics and fermentation process parameters, is suitable for efficient fermentation production of various biological organic fertilizer, has strong environmental adaptability and process expandability, helps to improve the automation level and product quality stability of organic fertilizer production.

The utility model provides a multifunctional double-cavity vacuum coating device which comprises a spraying chamber and a vacuum coating chamber, the vacuum coating chamber is arranged at the top of the spraying chamber, and the vacuum coating chamber is communicated with the spraying chamber through a through hole. A rotating frame is arranged in the spraying chamber, the rotating frame is connected into the spraying chamber through a guide column, the guide column is vertically connected into the spraying chamber, the rotating frame is in driving connection with a driving device, and the driving device drives the rotating frame to ascend into the vacuum coating chamber for vacuum coating. According to the utility model, priming paint coating, vacuum coating and finishing paint coating are integrated into one device, so that workpiece carrying is reduced, workpiece collision is avoided, the surface quality of workpieces is improved, and the production efficiency is improved. The spraying chamber and the vacuum coating chamber which are arranged up and down can reduce the occupied area of equipment, and the rotating frame keeps rotating at a constant speed in the spraying process, so that spraying is more uniform, and the quality of workpieces is improved.

This invention discloses a land remediation device and method, relating to the field of heavy metal contaminated land remediation technology in the advanced environmental protection industry. The device comprises a vehicle and a rotary tiller. A mounting frame is fixedly connected to the side wall of the rotary tiller, and two symmetrically arranged movable frames are connected to the side wall of the mounting frame via a first reset mechanism. A downwardly inclined shovel plate is fixedly connected to the side wall of each movable frame, and two inclined guide plates are fixedly connected to the side wall of the shovel plate. This land remediation device and method can transport and evenly spread broken soil. During the spreading process, reducing agents are evenly sprayed onto the soil, resulting in more uniform mixing. Simultaneously, it can cover the sprayed microbial solution, thereby improving the efficiency and effectiveness of soil remediation. Furthermore, it allows for automatic adjustment of the spraying volume based on the vehicle's movement speed, ensuring spraying effectiveness while avoiding waste of microbial solution and reducing agents.

The utility model discloses a microbial agent spraying device and belongs to the technical field of spraying devices. A microbial agent spraying device comprises a movable base, a stirring tank is fixedly connected to the top end of the movable base, a feeding port is formed in the edge of the top of the stirring tank, a stirring shaft is rotationally connected to the middle of the top end of the stirring tank, and a swing assembly is connected between the top end of the stirring shaft and the stirring tank; a water pump fixedly connected to the top end of the movable base is arranged on one side of the stirring tank. According to the microbial agent spraying device, when the microbial agent spraying device is used, through the arrangement of the swing assembly, the motor can be started, the transmission disc is driven to rotate, and the design of the transmission column and the transmission channel is matched, so that the inverted-L-shaped moving frame swings left and right back and forth, and the toothed plate performs back-and-forth transmission on the gear; therefore, the stirring shaft rotates forwards and backwards in a reciprocating manner, and meanwhile, the two spray heads rotate leftwards and rightwards in a reciprocating manner, so that the purpose of uniformly spraying a microbial agent is achieved.

The utility model provides a plant soilless culture incubator capable of accurately controlling temperature, which relates to the technical field of plant cultivation equipment and comprises a box body, a revolving door is mounted on one side of the box body, a group of vertical supporting legs are mounted at corners of the bottom of the box body, and a stabilizing plate is arranged on the outer side of the box body. A positioning groove is formed in the inner side of the bottom of the box body, a storage shell is installed in the positioning groove, and the two sides of the inner side of the box body are each provided with a partition plate. The supporting frame is arranged to be matched with a rapid locking and unlocking structure of the locking frame, the cultivation height can be flexibly adjusted according to the plant growth stage, and the requirement for mixed cultivation of multiple types of plants is met; the design of the multi-layer cultivation frame effectively improves the utilization rate of cultivation space, solves the problems that the space of a traditional cultivation box is fixed and plants are crowded after growing up, and also solves the problem that a traditional culture dish is fixed through bolts.

The utility model relates to the technical field of hardware powder spraying equipment, in particular to an efficient powder recovery tower for powder spraying, which comprises an operation tower and a recovery mechanism. The recycling mechanism comprises a spraying device, a plurality of inclined blocks, a net plate and a driving assembly, the spraying device is fixedly connected with the operation tower, the inclined blocks are fixedly connected with the operation tower, the net plate is fixedly connected with the operation tower, the driving assembly comprises a lifting part, an adjusting part, a connecting block, a clamping part, a rotating motor and a clamping block, and the lifting part is rotationally connected with the operation tower. The adjusting piece is in threaded connection with the lifting piece, the connecting block is fixedly connected with the adjusting piece, the clamping piece is rotationally connected with the connecting block, the rotating motor is fixedly connected with the clamping piece, and the clamping block is fixedly connected with the output end of the rotating motor, so that the surface of the hardware workpiece can be uniformly sprayed, and residual powder can be effectively recycled.

The utility model discloses a kind of cultivation devices for agricultural planting, including cultivation box, it includes box and mounting plate, water storage cavity is equipped in the box, and top detachably connected with mounting plate, located the mounting plate is opened with several cultivation grooves, cultivation pot is arranged in any one cultivation groove;Liquid supply mechanism, including water storage tank, pumping end, water supply end and spraying end;The gap is kept between the water storage tank with the box, and the both ends of the box are respectively provided with pumping end and water supply end, for water supply to water storage cavity, the pumping end and the water supply end far from the one end of the box are communicated and set on the water storage tank.The beneficial effect played by the utility model is: solve the technical problem that the existing technology is agricultural cultivation device, cultivation groove is integrated structure, leading to plant rhizome cannot be effectively drained and breath, leading to rhizome to rot easily.

The utility model discloses a spraying machine for glass handrail processing, including spraying frame and spraying mechanism, spraying frame: its interior middle is rotatingly connected with mounting shaft, spraying mechanism: it includes sliding frame, moving block, ball head, spacing ring and spacing groove, sliding frame is respectively in sliding connection with mounting shaft interior front and rear sides, moving block, ball head, spacing ring and spacing groove. The moving blocks are slidably connected into the sliding frame, the four vertically adjacent moving blocks are distributed in a cross shape, the balls are arranged on the sides, away from the middle of the mounting shaft, of the moving blocks, the limiting rings are slidably connected to the middles of the front side wall and the rear side wall of the spraying frame, and the limiting grooves are formed in the upper ends and the lower ends of the interiors of the limiting rings correspondingly. According to the spraying machine for glass railing processing, the spraying mechanism is arranged, glass railings of different sizes can be rapidly fixed through adjustment, automatic and rapid discharging can be achieved after uniform spraying is conducted on the surfaces of the glass railings, continuous and uniform spraying operation is achieved, and the spraying efficiency and spraying quality of the glass railings are improved.

The present application relates to air conditioning technology field, particularly to a heat exchanger and air conditioner indoor unit. The heat exchanger comprises a nozzle sheet and a fin. The nozzle sheet is a hollow structure, and has a transmission space inside. A water outlet hole is formed on the nozzle sheet, and the water outlet hole is connected with the transmission space inside the nozzle sheet and the outside of the nozzle sheet. When water flows in the transmission space inside the nozzle sheet, the water in the transmission space can flow to the outside of the nozzle sheet through the water outlet hole. The water flowing to the outside of the nozzle sheet flows down along the outer wall of the nozzle sheet, or is sprayed on the fin arranged in parallel with the nozzle sheet, so that the water in the transmission space is sprayed more uniformly after flowing out of the transmission space. Under the action of the heat exchanger, the water flowing out of the transmission space is volatilized by the large area of the heat exchanger, and is blown to the outside of the air conditioner under the action of the fan of the air conditioner, so as to humidify the environment outside the air conditioner. The dry environment outside becomes humid, and the user's experience and comfort are improved.

This utility model discloses a sterilization device structure, comprising: a storage box, which is electrically connected to a circuit board and a control panel, and has an internal accommodating space with an opening and a storage recess and a storage container recess at the lower end. The accommodating space is equipped with at least one box light; a front door with the opening; a fan disposed in the storage box; a lower partition disposed at the upper end of the storage recess and the storage container recess, and a row of fans fixed to the space between the storage containers below it; at least one spray module disposed in the lower partition; at least one movable shelf disposed in the middle section of the storage box; a lower shelf disposed in the lower section of the storage box; one or more sets of medicine containers disposed in the storage recess and corresponding to the spray module; and an air purification module disposed in the storage container recess. This invention solves the problem that conventional medicines cannot be finely atomized and cannot reach the inner and outer surfaces of shoes through airflow.

The invention provides a mixed flow heat exchange device for outputting hot water, which is characterized in that the connecting line of the vertexes of the section of a jet pipe is a square, a pipe wall is formed between the adjacent vertexes of the square, the pipe wall is bent, the bending direction of the bend faces the center of the square, and jet holes for jetting from the inside of the jet pipe to the outside of the jet pipe are formed in the pipe wall. The invention provides a heat exchange device adopting a novel square jet pipe, so that the mixing heat exchange effect of two fluids is better and more uniform, and the heat exchange efficiency is improved.

The spraying arm assembly comprises a rotatable spraying arm and a steering piece, the spraying arm comprises a first cover body and a second cover body, and the first cover body and the second cover body are combined in a covering mode to form a first flow channel and a second flow channel. The first cover body is provided with a first spraying opening communicated with the first flow channel and a second spraying opening communicated with the second flow channel, and the axis of the first spraying opening and the axis of the second spraying opening are obliquely arranged relative to the rotating axis of the spraying arm and are not located on the same plane. The inclination directions of the first spraying opening and the second spraying opening are opposite; the steering part is movably arranged relative to the spraying arm and provided with a communicating cavity, and the communicating cavity is provided with a first position communicating with the first flow channel and a second position communicating with the second flow channel. The spraying arm assembly and the dish-washing machine can solve the problem that a dish-washing machine in the prior art cannot thoroughly clean some areas of tableware.

The utility model relates to the technical field of seedling raising devices, in particular to a seedling raising device for rice planting, which comprises a rotating disc, a sprinkler pipe, a light shield, a seedling raising box and an adjustable seedling raising hopper, through the design that the rotary sprinkling pipe is matched with multiple groups of spray pipes, uniform sprinkling of a water and fertilizer solution in the seedling raising box is realized, the problem of uneven dryness and humidity caused by traditional manual watering is avoided, root rot or local drought is effectively prevented, and the germination rate and the seedling uniformity are improved; the adjustable seedling raising hopper driven by an air cylinder is adopted, the seedling raising depth can be flexibly adjusted according to the root system requirements of different rice varieties, the root system growth environment is optimized, the transplanting survival rate is increased, the light shield is provided with an adjustable light source, the seedling raising state is monitored in combination with an infrared laser, precise light supplementing or shading is achieved, and the illumination requirements of different growth stages are met; healthy growth of seedlings is promoted, and the overall seedling raising effect is improved.

The utility model relates to the technical field of headrest rod oil spraying, in particular to a special machine for automatically spraying lubricating grease to a headrest rod, which comprises a support frame, a machine frame is further fixed on the support frame, a left-right linear module is fixed on the machine frame, and an up-down linear module is fixed on an output shaft of the left-right linear module. A mounting frame is fixed to the output end of the up-down linear module, and a pair of spray valves is arranged on the mounting frame; a U-shaped plate is fixed to the front side of the mounting frame, a forward and reverse rotation motor is fixed to the U-shaped plate, a movable plate is fixed to an output shaft of the forward and reverse rotation motor, the pair of spray valves is arranged on the movable plate, and the distance between the spray valves is adjustable. According to the special machine for automatically spraying the lubricating grease on the headrest rod, the positive and negative rotation motor is started, and the output shaft of the positive and negative rotation motor drives the movable plate to rotate, so that the pair of spraying valves can rotate by a certain angle around the spraying end of the headrest rod, the spraying on the peripheral surface of the spraying end of the headrest rod is more uniform, and the product quality is improved.

The utility model relates to a spraying equipment technical field, concretely is a fire extinguisher cylinder spraying equipment, including box and spraying mechanism, the inside detachable connection of box has the pull -out plate, the top surface of pull -out plate is provided with the rotating mechanism for the fixed fire extinguisher cylinder and drives cylinder rotation equidistance, the rotating mechanism includes the round bar of pull -out plate penetration rotation, the top of round bar is provided with the cavity, the inside of cavity is provided with inner support subassembly. In the utility model, through the cylinder of fire extinguisher is inverted and is buckled on the round bar, and is fixed to the cylinder through the inner support subassembly, makes the outside of cylinder complete exposure, then drives cylinder rotation through the rotation of round bar, makes the outer wall of cylinder can be more even spraying, does not need the part of cylinder missed to spray separately in the later period, to can improve the efficiency of fire extinguisher cylinder spraying.

The invention relates to the technical field of spraying processing, in particular to an unmanned aerial vehicle wing production and processing spraying device which comprises a processing box, a partition baffle, a spraying mechanism and a purifier and further comprises a self-processing assembly. The self-machining assembly comprises spraying placing plates, a transfer channel, a supporting base, a closing component, a station conversion component and a drying component, the two spraying placing plates are fixedly installed in the spraying machining area, the transfer channel is fixedly installed at the bottom of the machining box, the supporting base is fixedly installed at the bottom of the transfer channel, and the closing component is connected with the machining box; the station conversion component is connected with the supporting base, the drying component is installed in a drying area of the machining box, the overall machining efficiency of a large batch of wings can be guaranteed while the spraying quality of the two sides of the wings is guaranteed through the arranged components, and the overall machining effect is better in the actual machining process.

The utility model relates to bean sprout cultivation technical field, specifically is a bean sprout production environment room, include: shell, fixed plate is fixedly connected with the both sides inner wall of shell close to end, two chutes, two the chute is respectively set up in one side end of shell, two sliding blocks, two the sliding block is respectively slidingly connected in the chute, through the combination of water pump, water flow groove, water pipe and shower nozzle, water flow can be evenly distributed to each planting drawer, and each shower nozzle output end has multiple tiny holes, can scatter water flow into tiny water flow, ensure that moisture evenly sprays on bean sprout, promotes its healthy growth, this design avoids the problem that partial area is too wet or too dry, improves the consistency and growth quality of bean sprout, and water circulation mechanism realizes effective recovery and reuse to redundant moisture through the combination of water pump, water flow groove, water pipe and shower nozzle, this not only reduces the waste of water resources, also reduces operating cost.

The utility model relates to soil remediation equipment technical field, specifically disclose a kind of heavy metal contaminated soil remediation device, the utility model includes: box;Slagging port is opened on the box;Setting is used for the crushing mechanism of soil crushing in the box;Inclined fixed mounting in the box is screened to the soil after crushing and is screened plate.This utility model a kind of heavy metal contaminated soil remediation device, when soil is repaired, by pusher assembly setting, on the one hand, the filter hole on the surface of screening plate can be brushed, reduce the blockage of filter hole;On the other hand, by pusher plate, push and sweep accumulated waste is automatically discharged outward through slagging port, so as to prevent the waste after screening from accumulating on the screening plate, affect the soil after crushing discharging, in addition, in the falling of broken soil, under the action of second guide plate, soil can be dispersed, and under the spray of water mist spray pipe, reagent can be more evenly sprayed on the surface of falling soil.

The utility model relates to a suspension paint spraying technical field especially relates to a suspension device for nonferrous alloy paint spraying, its technical scheme: including conveying track, suspension piece and paint spraying box upper end transmission part, the suspension piece is composed of central rotating lever, rotating sleeve, bottom plate and hook, the rotating sleeve rotationally connects in the outside of central rotating lever, the bottom plate upper end central position is fixedly connected with the bottom of central rotating lever, the equidistant rotating connection has the rotating seat on the bottom plate, the hook upper end is fixed in the rotating seat bottom, the conveying chain is installed in the conveying track, the equidistant fixed connection rod has in the conveying chain, the stable plate is installed between the bottom of connection rod and the upper end of central rotating lever, the paint spraying box upper end transmission part includes fixed side plate. The utility model can utilize the transmission between the gear when the hook passes through from the paint spraying box, makes the hook carry out circumferential rotation and rotation, and need not additional output power, can better realize the purpose that the surface is even sprayed.

The utility model discloses an oil containment boom laying device which comprises a bottom plate, a first rolling frame and a second rolling frame, the first rolling frame is fixedly connected to the left side of the top of the bottom plate, the second rolling frame is fixedly connected to the right side of the top of the bottom plate, and the two sides of the left side of the first rolling frame are fixedly connected with mounting plates. And movable plates are fixedly mounted at the tops and the bottoms of the two sides of the inner wall of the mounting plate. By arranging the mounting plate, the movable plate, the sweeping roller, the driving assembly and the spray-washing assembly, the driving assembly can effectively drive the sweeping roller to rotate, the spray-washing assembly can spray washing water, the surface of the oil containment boom can be automatically washed through cooperation of the driving assembly and the spray-washing assembly, and the problem that the oil containment boom is used in a complex water area environment for a long time is solved. The problems that a large amount of impurities such as greasy dirt, algae and silt are attached to the surface of the existing cleaning device, existing cleaning modes mostly depend on manual cleaning, efficiency is low, and some stubborn stains are difficult to thoroughly remove are solved.

The utility model relates to fishery breeding technical field, and disclose a kind of feed mixing and feeding device for fishery breeding, including mainboard, the mainboard top is fixedly connected with stirring barrel, and stirring barrel top is equipped with stirring pressurizing subassembly, and the stirring pressurizing subassembly is used to stir the feed added in the stirring barrel inner chamber and pressurize it, and spraying subassembly is installed in stirring barrel bottom, and the spraying subassembly is used to feed the feed after stirring, and the stirring pressurizing subassembly includes servo motor;This feed mixing and feeding device for fishery breeding, device floats on water surface, after stirring pressurizing subassembly is used to stir stirring barrel, opens controller, and the feed in the stirring barrel inner chamber passes L type pipe and connecting ring current direction rotating pipe again to flexible pipe, and rotating shaft will drive rotating pipe and flexible pipe rotation, and feed is rotated and sprayed to all around by flexible pipe, complete uniform spraying, and also can adjust the length of flexible pipe to adjust spray radius.

The invention relates to the technical field of fermentation tanks, in particular to an intelligent temperature control fermentation tank. Comprising a supporting frame, a fermentation box is arranged above the outer wall of the supporting frame, and an adding mechanism is arranged on the outer wall of the supporting frame and located on one side of the fermentation box; the adding mechanism comprises a containing assembly, a pressing assembly and a connecting assembly, the containing assembly is fixedly arranged on one side of the supporting frame, the pressing assembly is slidably arranged in the containing assembly, one end of the connecting assembly is fixedly connected with the containing assembly, an additive is added to the upper middle portion in the containing assembly, and the pressing assembly is in pressing contact with one side of the fermentation box. The other end of the connecting assembly is fixedly connected with the fermentation box; compared with the prior art, the weight of the fermentation box is changed when fermented materials are injected, so that the pressing assembly is driven to continuously inject the liquid additive in the containing assembly into the fermentation box, the additive can be added in the discharging process, manual placement is not needed, and the fermentation effect of the device is greatly improved.

The utility model discloses a pneumatic type leaf surface spraying rod, which comprises a spraying rod unit, a blade surface spraying rod unit and a blade surface spraying rod unit, the spraying rod unit comprises an upper spraying rod, a lower spraying rod, an upper nozzle and a lower nozzle, the upper nozzle is arranged on the upper spraying rod and faces upwards, and the lower nozzle is arranged on the lower spraying rod and faces downwards; the pneumatic unit comprises an air pump, an air pipe and an air nozzle, the air pump is connected with the air nozzle through the air pipe, and the air nozzle is installed around the upper nozzle and arranged to face upwards; the pneumatic unit is arranged, in the spraying process of the upper nozzle, airflow is blown upwards through the air nozzle, leaf surfaces falling downwards can be properly blown upwards, and therefore on one hand, the probability that tobacco leaves are scratched by the upper nozzle or the lower nozzle is reduced; on the other hand, the leaf surfaces are in a good spraying posture, and uniform spraying of the pesticide can be achieved.

The utility model relates to the technical field of automobile valve controller spraying processing, and provides a spraying device for automobile valve controller processing, which comprises a spraying box, a guide groove is arranged in the spraying box, a material taking mechanism is arranged on the outer wall of the spraying box, and the material taking mechanism comprises a first motor fixedly arranged on the outer wall of the spraying box, and an output shaft of the first motor is fixedly connected with a threaded rod through a coupler, the outer wall of the threaded rod is movably connected with a movable block, the outer wall of the movable block is fixedly connected with a placing frame, the inner wall of the placing frame is fixedly connected with a filter screen, and a spray head is installed on the inner wall of the spraying box. By starting the first motor, the threaded rod can be made to rotate, the movable block can be made to slide, the containing frame can be moved out of the spraying box in a sliding mode, the effect of conveniently conducting material taking treatment on the automobile valve controller after spraying is completed on a filter screen is achieved, and therefore the spraying machining efficiency of the automobile valve controller is improved.

The invention discloses a landscaping cultivation device which comprises a containing box, a door frame is detachably installed on a box opening of the containing box, and the door frame is arranged above the box opening in a crossing mode; a sliding groove is formed in a cross beam of the door frame, the upper portion of the sliding seat is arranged in the sliding groove in a sliding mode, and a driving device used for driving the sliding seat is installed on the door frame; the spray head is aligned to the box opening and is mounted at the lower part of the sliding seat, and a spray head conveying pipeline is connected to a water source. The problem that an existing cultivation device cannot uniformly spray plants is solved.

This invention belongs to the field of grouting reinforcement technology for fractured surrounding rock, and discloses a directional grouting reinforcement method for fractured surrounding rock around a tunnel. This method aims to solve the problems of large grouting volume, long construction period and high cost caused by the existing grouting methods used for fractured surrounding rock in tunnels. The invention includes: (1) drilling holes into the fractured surrounding rock around the tunnel; (2) inserting grouting pipes into each hole, wherein at least three rows of grouting ports are provided along the length of the grouting pipe, and each row of grouting ports contains multiple grouting ports. The included angle between the two outermost rows of grouting ports on the grouting pipe is 100°-135°, and the grout sprayed from the two adjacent rows of grouting ports on two adjacent grouting pipes in the fractured surrounding rock around the tunnel can form an overlapping area; (3) injecting grout into the grouting pipe, and the grout sprayed from each grouting port of the grouting pipe into the gaps of the fractured surrounding rock to complete the grouting reinforcement of the fractured surrounding rock.

The utility model provides aluminum pipe inner wall spraying equipment, relates to aluminum pipe processing equipment technical field, including connecting block and machine body, the outer wall of connecting block is fixedly connected with two connecting seat, one end of connecting seat far away from connecting block is fixedly equipped with first motor, the output shaft of first motor is fixedly connected with rotating rod. During spraying work, the end of the aluminum pipe extrudes the outer surface of the cleaning head, then the cleaning head enters the aluminum pipe, pressure is applied to the cleaning head through a spring, the outer surface of the cleaning head is always attached to the inner wall of the aluminum pipe, and then the cleaning head is attached to the inner wall of the aluminum pipe to slide and rotate; dust and other impurities on the inner wall of the aluminum pipe can be efficiently cleaned, the falling impurities can be blown out through high-speed rotation of the fixing blocks, it is guaranteed that the cleanliness of the inner wall of the aluminum pipe meets the spraying requirement, it is guaranteed that the interior of the aluminum pipe can be evenly sprayed, the inner wall of the aluminum pipe is prevented from being corroded, and the service life of the aluminum pipe is prolonged.