43results about How to "Guarantee quality and efficiency" patented technology

The application provides a dehumidifier and a control method thereof. The dehumidifier comprises a refrigeration system, a water pan, a heating pipe and a regulating valve. The refrigeration system comprises a compressor, a condenser, an evaporator and a fan. The heating pipe is arranged below the water pan. The regulating valve is used for adjusting the flow path of refrigerant and is configured to make the refrigerant flowing out of the compressor directly flow into the condenser through a dehumidification branch during a dehumidification process and make the refrigerant flowing out of the compressor flow into the heating pipe and then flow into the condenser through a drying branch during a drying process. The control method comprises the following steps: obtaining an internal drying instruction of the dehumidifier; switching the regulating valve to the drying branch; closing the fan and controlling the compressor to operate alone. The application has the advantages that the internal mildew and bacterial breeding problems caused by long-time residual condensate after the dehumidifier is stopped can be solved, the dehumidifier blowing out the wind with peculiar smell is avoided, and the use experience of the user is improved.

The utility model discloses a polyurethane adhesive film pressing machine, which belongs to the technical field of pressing machines and comprises a concave main frame, transmission roll shafts are rotatably mounted on two sides in the concave main frame through bearings, a conveyor belt is mounted between the two groups of transmission roll shafts in a transmission manner, a first motor is fixedly mounted at one end of the rear side of the concave main frame, and a second motor is mounted at one end of the rear side of the concave main frame. A rotating shaft at the output end of the first motor is fixedly connected with one end of the corresponding transmission roller shaft, and three continuous sets of equidistant matching rollers are rotationally installed in the concave main frame through bearings. According to the technical scheme, through the arrangement of the first roller shaft, the cutting disc, the motor, the second roller shaft and the matching disc, a laminated polyurethane adhesive film is guided out from one side of the conveying belt, then the motor is controlled to drive the cutting disc on the first roller shaft to rotate, and then the cutting disc is matched with the matching disc to directly cut the side edge of the laminated polyurethane adhesive film; the regularity of the side edge of the polyurethane adhesive film is ensured, and the pressing quality of the polyurethane adhesive film is improved.

This invention discloses a control method and a wireless communication circuit. The control method includes: a processing module acquiring current channel status information of the current operating channels corresponding to at least two communication paths, and sending the current channel status information to a co-frequency coexistence confirmation module; the co-frequency coexistence confirmation module confirming the channel status between each pair of current operating channels based on the current channel status information; and, if the channel status between each pair of current operating channels satisfies a first channel status, the processing module performing a channel reallocation operation on the current operating channels of the communication paths to obtain target operating channels corresponding to each communication path, wherein the channel status between each pair of target operating channels satisfies a second channel status. This invention enables wireless communication systems to reduce co-frequency interference while communication paths operating in the same frequency band are working simultaneously, thus ensuring communication quality and efficiency.

The application discloses a chamfering device with a tool entanglement prevention mechanism for bolt machining, and belongs to the technical field of bolt machining. The chamfering device with the tool entanglement prevention mechanism for bolt machining comprises a base and a sliding seat fixedly installed on the surface of the base, a bolt body to be machined is placed above the sliding seat, the surface of the sliding seat is correspondingly provided with two sliding frames, the top surface of any one of the two sliding frames is fixedly provided with a fixing frame, the inner side surface of each of the two fixing frames is rotationally connected with a rotating column, and the surface of each of the two rotating columns is provided with an external thread. Compared with a traditional chamfering device, the chamfering device with the tool entanglement prevention mechanism for bolt machining adopts reciprocating rotary chamfering blades to simultaneously chamfer both ends of the bolt body, and the bolt ends do not need to be sequentially machined one by one, so that the machining steps of the bolt body are reduced, the machining speed of both ends of the bolt body is improved, and the machining efficiency of the bolt body is improved.

The utility model discloses a coating device for coating an ultrafiltration membrane with a carbon-based material, which comprises a support, a nitrogen cylinder, a gas inlet pipe, a connecting pipe, a membrane covering tank and a waste liquid collecting tank, the nitrogen cylinder, the membrane covering tank and the waste liquid collecting tank are sequentially distributed on the support, and the membrane covering tank comprises an upper sealing cover, a lower sealing cover and a tank body. The upper sealing cover and the lower sealing cover are installed at the upper end and the lower end of the tank body respectively, a liquid inlet pipe is installed at the top of the upper sealing cover, a stirring assembly and a supporting frame are arranged in the tank body, the stirring assembly is installed on the upper sealing cover, and the supporting frame is arranged on the lower sealing cover. According to the utility model, not only can the carbon-based material be uniformly coated on the ultrafiltration membrane to form the carbon-based material modified ultrafiltration membrane, but also turbid liquid of the carbon-based material always passes through the ultrafiltration membrane in the whole coating process due to the fact that the carbon-based material is coated on the ultrafiltration membrane through filtration, so that the phenomenon that the membrane permeation flux of the ultrafiltration membrane is reduced cannot be caused; and the film covering efficiency and quality are ensured.

This invention belongs to the field of low-temperature plasma deodorization technology, specifically a low-temperature plasma deodorization device, comprising: a housing, wherein the housing is used for low-temperature plasma deodorization of waste gas; a partition plate, which is fixedly connected to the top of the housing and provides support; a heating plate, wherein multiple heating plates are fixedly connected to the bottom of the partition plate and regulate the heating temperature inside the housing; and a rotating cylinder, which is rotatably connected to the inside of the housing. This invention is simple to operate, safe and stable, and achieves non-stop deodorization of external waste gas, improving deodorization efficiency and effect, meeting actual deodorization needs. Furthermore, it can adjust the workload of the discharge section according to the waste gas concentration to achieve uniform and efficient deodorization of the waste gas. It is highly adaptable and controllable, meeting actual processing requirements. During the deodorization process, it can also adaptively clear blockages in the filter screen with airflow, ensuring continuous and stable flow of external waste gas. It is durable and highly safe.

The utility model relates to the technical field of a threading machine for corrugated paper processing, in particular to a threading machine for corrugated paper processing, which comprises an operation table, a threading device and an adjusting hole are arranged on the operation table, a bearing seat is arranged at the top end of the adjusting hole, an adjusting ring is arranged on the bearing seat, a supporting plate is arranged on the adjusting ring, and the supporting plate is arranged on the supporting plate. A mounting frame is arranged on the supporting plate, a mounting box is arranged on the mounting frame, a threaded groove is formed in the top end of an adjusting ring, a threaded cover is arranged on the threaded groove, a gear ring is arranged at the bottom end of the threaded cover, and a fastening hole is formed in the mounting box. The threaded cover is driven to rotate by rotating the adjusting ring, accurate angle adjustment of corrugated paper is achieved, arc-shaped threading operation is facilitated, the application range of the machine is greatly expanded, and machining flexibility and product diversity are improved.

The utility model discloses a flexible freight bag stretching and sewing machine which comprises a machine frame, a sewing machine head is installed on the top of the machine frame, a working table is arranged below the sewing machine head, a driving mechanism is installed on one side of the working table, and a limiting mechanism is arranged at the position, located on the outer ring of a needle rod of the sewing machine head, of the sewing machine head. The flexible freight bags and the lacing wires can be accurately positioned in the sewing process, the feeding speed can be adjusted according to the requirement for the sewing speed through the arranged driving mechanism, constant-speed and stable feeding of the flexible freight bags and the lacing wires is achieved, and the sewing machine head can be used for sewing the flexible freight bags and the lacing wires by adjusting the rotating speed of a motor, replacing sewing needles of different models, adjusting parameters such as the stitch length and the like. The flexible freight bag and lacing wire sewing machine is simple in structure and suitable for the sewing requirements of flexible freight bags and lacing wires of different materials and thicknesses, further through the structure, sewing accuracy and continuity are guaranteed, the flexible freight bag and lacing wire sewing machine can be suitable for flexible freight bags and lacing wires of various materials and thicknesses, and sewing quality and production efficiency are guaranteed.

This application relates to the field of cutting machine technology, specifically to a turntable mechanism and a cutting machine. The turntable mechanism includes a turntable, a cutting blade, and a counterweight. The turntable can rotate around a rotation axis. The cutting blade and the counterweight have equal masses and are detachably connected to the turntable and evenly distributed circumferentially. This application's turntable mechanism features a counterweight, and both the cutting blade and the counterweight have equal masses. The cutting blade and the counterweight are detachably connected to the turntable and evenly distributed circumferentially, ensuring a uniform mass distribution throughout the rotating structure and preventing vibration caused by uneven mass distribution. The detachable connection allows adjustment of the number of cutting blades according to production needs. When there is only one cutting blade, there is no need to reduce the turntable's rotation speed or the production speed of the material to be cut, thus solving the problem of short cutting lengths of the material while ensuring material production quality and efficiency.

The invention provides die casting appearance automatic detection equipment which comprises a machine frame, material moving mechanisms, a mechanical arm, a positioning mechanism, a material clamping mechanism, a visual detection device, a placing table, a material disc transferring mechanism and a defective product placing table are arranged on the machine frame, and the material moving mechanisms are symmetrically arranged at the two ends of the machine frame; the mechanical arms are symmetrically arranged at the two ends of the rack and correspond to the transferring mechanism, the positioning mechanism, the visual detection device and the placing table are sequentially arranged on the rack side by side from left to right and located between the two mechanical arms, the material clamping mechanism is arranged on the rack, and the material disc transferring mechanism is located behind the material clamping mechanism. The defective product placing tables are located on the two sides of the placing table and used for placing unqualified die castings after detection is completed. The appearance of the die casting is detected in a full-automatic mode, the detection precision is high, safety and reliability are achieved, the detection efficiency is high, the production cost is greatly reduced, and the overall production efficiency is improved.

The utility model relates to the technical field of methanol energy recovery, in particular to a high-pressure methanol energy recovery device which comprises a methanol separation tank, a discharge end of the methanol separation tank is communicated with a methanol filter, and a discharge end of the methanol filter is respectively communicated with a hydraulic turbine power generation device and a pressure reducing valve. One end of the hydraulic turbine power generation device is communicated with a pre-rectification system, the hydraulic turbine power generation device converts recycled energy into electric energy and then conveys the electric energy to the electric power system, the output end of the pressure reducing valve is communicated with the pre-rectification system, a filter element is inserted into the top face of the methanol filter, and the lower end of the methanol filter is communicated with an air inlet pipe. Effective recycling of high-pressure methanol energy is achieved, production interruption caused by faults of a hydraulic turbine power generation device is avoided, the backwashing assembly removes impurities accumulated on the surface of the filter element from the filter element through high-pressure nitrogen, the filtering performance of the filter element is conveniently and rapidly recovered, and the running stability and reliability of the methanol filter are improved.

The utility model relates to the technical field of heat treatment of pressure gauge parts, in particular to a cooling and shaping device for heat treatment of pressure gauge parts, which comprises a workbench, a first chain wheel group drives a conveying belt to move through a chain, so that the parts are conveyed forwards along the conveying belt, and when the parts enter a shell, a spraying assembly starts to work; the cooling liquid in the fixed pipe is uniformly sprayed on the surface of the part through the spray head to primarily cool the part, the part continues to move forwards along with the conveying belt, the cooled part enters the cooling box along with the conveying belt to be wetted and cooled, the cooled part continues to move forwards under the support of the auxiliary wheel, the air cooling assembly is started, and wind power generated by the air blower is blown to the part through the air pipe; water evaporation and heat dissipation on the surfaces of the parts are accelerated, the cooling process is further completed, finally, the parts are output from the tail end of the conveying belt, cooling liquid in the cooling box can be discharged through a drainage pipe and a valve, replacement and maintenance are convenient, and automatic cooling and shaping operation is achieved in the whole process.

This application belongs to the field of injection molding machine technology, specifically relating to an injection molding machine nozzle locking device, including a nozzle assembly and a locking assembly. The nozzle assembly includes a nozzle component and a connecting component. The locking assembly includes a fixing component, a transmission component, and at least one set of elastic elements. The side of the fixing component away from the mold platen is opposite to the side of the transmission component close to the mold platen, and the elastic elements are located between the fixing component and the transmission component. One end of the elastic element abuts against the side of the fixing component facing the mold platen, and the other end abuts against the side of the transmission component away from the mold platen. When the nozzle component contacts the mold and continuously moves towards the mold side, the transmission component moves away from the mold platen under the drive of the connecting component to compress the elastic element located between the transmission component and the fixing component, and the elastic element is in a first deformation state. In this application, the nozzle and the mold can maintain a tight locking state.

The utility model discloses a measuring umbrella stand for a surface displacement observation pillar, which comprises a mounting nut fixedly connected with the observation pillar, a transverse support rod in threaded connection with the mounting nut, a vertical support rod detachably connected with the transverse support rod, and an umbrella rod fixing clamp mounted at the upper end of the vertical support rod, the umbrella rod fixing clamp comprises a first side clamp, a second side clamp and a fastener, one end of the first side clamp is hinged to one end of the second side clamp through the vertical supporting rod, and the other end of the first side clamp is connected with the other end of the second side clamp in a fastened mode through the fastener. The surface displacement observation pillar umbrella supporting device is simple in structure, light in weight, flexible to disassemble and assemble, convenient to use and capable of carrying out umbrella supporting operation on a surface displacement observation pillar during field measurement, the labor intensity of measurement personnel is relieved, and the working efficiency is improved.

The utility model relates to the technical field of printing and code spraying, and discloses a code spraying device for printing and packaging, which comprises a code spraying stand column, a screw rod is mounted in the code spraying stand column, an overturning mechanism is slidably arranged on the outer wall of the screw rod, and the overturning mechanism comprises a sliding plate arranged outside the screw rod, an overturning frame mounted on the sliding plate and clamping seats distributed on the overturning frame at equal intervals. A fixed clamp is fixed to the outer wall of one side of the clamping base, a movable clamp is movably arranged on one side in the clamping base, and a first servo motor is installed at the top of the code spraying stand column. According to the code spraying device, through the turnover mechanism composed of the sliding plate, the turnover frame and the clamping base, a product to be subjected to code spraying can be clamped through the clamping base to be turned over, code spraying can be flexibly carried out, rapid and accurate code spraying and turnover actions are achieved, the accuracy and consistency of the code spraying position of the product are guaranteed, the overall applicability is improved, and the production efficiency is improved. And the distance of the product close to the nozzle can be adjusted along with the movement of the sliding plate, so that the working height can be conveniently and flexibly adjusted, and the code spraying quality and the production efficiency are ensured.

This application relates to the field of vehicle technology, and more particularly to an air filter assembly and a vehicle. The air filter assembly provided in this application includes: a housing having a filter chamber and an air inlet and an air outlet communicating with the filter chamber; a drain outlet is provided on the bottom wall of the filter chamber; a filter element disposed within the filter chamber and located between the air inlet and the air outlet; a muffler pipe disposed within the filter chamber and communicating with the air inlet; and a switch assembly disposed at the drain outlet for opening or closing the drain outlet. The air filter assembly provided in this application helps to solve the problem that existing air filters cannot simultaneously achieve drainage efficiency and engine performance when wading through water.

The utility model relates to the technical field of chemical equipment discloses a slurry dispersion structure of high tower melt granulator, including mounting plate and pivot, the mounting plate is installation structure, be connected with the material cylinder and a plurality of stator on the mounting plate, the lateral wall of material cylinder is equipped with a plurality of discharge holes, the pivot links with outside power source, be connected with a plurality of rotors on the pivot, a plurality of stator and rotor are set up mutually staggered, the stator and rotor all are equipped with a plurality of discharge ports, this device has solved the problem that big granule insoluble matter is easy to jam and accumulate in the material cylinder, through the interaction of stator and rotor grinding and dispersing big granule, avoided jam and material accumulation, guaranteed the finished product quality and improved processing efficiency.

The present invention discloses a material dividing device of a screw feeder, comprising: a casing, in which a material rail with a first material trough is installed; a material dividing mechanism, which comprises a bottom plate, a material dividing seat installed on the bottom plate and connected to the material rail, a first and a second anti-reverse baffle plate and a first and a second material dividing baffle plate installed in the material dividing seat, an outer cover covering the periphery of the material dividing seat, and a cam driving module, and the first anti-reverse baffle plate and the first material dividing baffle plate are respectively installed on one side of the outer cover through a first spring and a second spring in cooperation with a first mounting plate; the second anti-reverse baffle plate and the second material dividing baffle plate are located on the other side of the material dividing seat, and the second anti-reverse baffle plate and the second material dividing baffle plate are respectively installed on the other side of the outer cover through a third spring and a fourth spring in cooperation with the second mounting plate; the material dividing seat has a first material dividing trough connected to the first material trough and a material discharge hole located at the end of the first material dividing trough; the first and the second material dividing baffle plates are placed in the first material dividing trough and located above the material discharge hole.

The utility model discloses a kind of automatic single-head glue spreading machine structures, including rack, glue supply assembly, backplate, mounting shaft, rotary disc, rotary drive assembly and glue spreading assembly, the rack front side top is provided with control box, bottom is provided with foot switch, the glue supply assembly is set to rack top side, the backplate is fixed in the back of rack longitudinally, the backplate side edge upper portion is provided with control panel, the mounting shaft is vertically fixed in backplate front side and installation end corresponds with glue supply assembly, the rotary disc is longitudinally distributed and center sleeve is placed on mounting shaft, the rotary drive assembly is fixed in the back of backplate and corresponding drive rotary disc rotation, the glue spreading assembly is fixed in rotary disc front side lower portion and with the installation end of mounting shaft corresponds. The utility model adopts automation control, realizes the automation of air conditioner pipe's pipe end glue spreading, guarantees coating quality and coating efficiency, reduces labor intensity, improves operating efficiency.

The utility model relates to a decorative concrete aluminum formwork which comprises at least one formwork body, each formwork body comprises a face plate and an assembling part, and the side face of one side of each face plate is a bearing face used for bearing concrete; the splicing parts are arranged on the two sides of the panel, and the splicing parts are used for splicing and fixing the two adjacent formwork main bodies through mounting pieces; wherein a pattern rib and / or a pattern film are / is preset on the bearing surface of at least one template main body. According to the decorative type concrete aluminum formwork, the pattern protruding edges and / or the pattern films are preset on at least one formwork body, so that patterns and the formwork bodies form a whole, a worker can conveniently splice the multiple formwork bodies on the construction site to form the complete aluminum formwork body, then concrete is poured, and after concrete forming and formwork removing are conducted, the whole aluminum formwork body is formed. Therefore, the problem that the decorative concrete prefabricated part with the patterns is damaged in the transportation process can be avoided, and the construction quality and the construction efficiency can be better guaranteed.

This invention relates to the field of spinning machine technology, and more particularly to an intelligent control method and system for a fully servo hydraulically driven spinning machine. The method includes the following steps: fixing the workpiece to the spindle chuck and tightening it by the tailstock mechanism; a pressure sensor acquiring real-time load force information of the radial cylinder of the spinning machine, and a displacement sensor acquiring real-time radial displacement information of the piston rod of the radial cylinder; a PLC calculating the radial cylinder position deviation, speed deviation, and pressure deviation in real-time; the PLC integrating the radial cylinder position deviation, speed deviation, and pressure deviation to calculate the desired control strength percentage of the fully servo hydraulic drive mechanism; and the fully servo hydraulic drive mechanism integrating the nonlinear correction, dead zone compensation, and zero-bias compensation functions of the hydraulic pump to determine the final output flow rate or output speed, thereby controlling the spinning process of the spinning machine. The method and system provided by this invention effectively avoid workpiece tearing due to overpressure or incomplete forming due to underpressure, significantly improving surface quality and dimensional accuracy.

The utility model discloses a float glass runner with a stirring structure, which comprises a mounting seat, the upper surface of the mounting seat is fixedly connected with a runner body, the upper surface of the runner body is fixedly connected with a transparent top cover, and the upper surface of the transparent top cover is fixedly connected with three protective covers. And the inner wall of each protective cover is fixedly connected with a driving motor. According to the device, through the touch panel, the driving motor can be started to drive the stirring rod to rotate, liquid glass is stirred through the stirring blades, the liquid glass is evenly mixed and kept in a stable flowing state, the situation that local concentration is not uniform is avoided, and therefore the quality of the glass is guaranteed, and the flow and temperature of the glass can be monitored in real time through the sensor in the flow channel; and the electric hydraulic telescopic rod is started as required to drive the flow speed adjusting plate to be matched with the connecting groove, so that the glass flow can be accurately controlled, the glass quality and the production efficiency are guaranteed, and problems can be found in time for adjustment.

The utility model relates to the technical field of cooling equipment, in particular to a cooler capable of controlling the temperature of extracted materials, which comprises a supporting seat, a first cooling cylinder, a second cooling cylinder and a third cooling cylinder are mounted at the top of the supporting seat, and one end of the first cooling cylinder is connected with a feeding pipe. The other end of the first cooling cylinder is connected with a second cooling cylinder through a first conveying pipe, the end of the first conveying pipe is connected with a third cooling cylinder through a second conveying pipe, the end of the third cooling cylinder is connected with a discharging pipe, and the outer wall of the first cooling cylinder is connected with the outer wall of the second cooling cylinder through a second water conveying pipe. The first cooling cylinder and the third cooling cylinder are connected through a first water conveying pipe, and the outer wall of the third cooling cylinder is connected with a cold water inlet pipe. According to the cooler capable of controlling the temperature of the extracted material, the design of the three cooling cylinders connected in series is adopted, so that the temperature of the material can be gradually and uniformly reduced in the flowing process, and the problem of non-uniform cooling or temperature fluctuation possibly occurring in traditional equipment is avoided.

The utility model relates to the technical field of high-temperature sterilization, and discloses a high-temperature sterilization device for chicken bone protein peptide production, which solves the problems in the background technology, and comprises a high-temperature sterilization kettle body, and a stirring mechanism is arranged in the high-temperature sterilization kettle body; the stirring mechanism comprises a mounting base arranged at the top of the high-temperature sterilization kettle body, a motor used for driving the stirring mechanism is mounted in the center of the mounting base, a first gear is arranged in the mounting base, and a gear ring annularly arranged in the circumferential direction of the first gear is fixedly mounted in the mounting base; a stirring unit is connected between the gear ring and the first gear in a meshed mode, the bottom of the stirring unit can be connected to the bottom of an inner cavity of the high-temperature sterilization kettle body in a sliding mode, and the output end of the motor is fixedly connected to the first gear in an inserted mode. The high-temperature sterilization efficiency and stability are improved, and the product quality and the production efficiency are ensured.

The invention relates to the technical field of filament spinning, and discloses energy-saving polyester filament direct spinning equipment which comprises a base and a connecting cylinder rotationally arranged on the base, under the cooperation of an air pump, an air injection pipeline, a pipeline, a limiting pipeline, an air outlet pipeline and a guide plate, polyester filaments passing through the guide plate can be quickly blown and cooled, and the spinning efficiency of the polyester filaments is improved. Meanwhile, under the cooperation of an air pump, a limiting pipeline, recycling pipelines and an air suction pipeline, the multiple recycling pipelines communicated with the limiting pipeline generate suction force, polyester yarn can enter an inner cavity of the air suction pipeline in a unified mode, fan blades are arranged at the air suction end, and under the cooperation of the fan blades, a threaded rod, a fixing panel and a second spring, the polyester yarn can enter the air suction pipeline in a unified mode; and a fixed panel can move in a reciprocating manner, and a second spring is stretched out, drawn back and compressed, so that the absorbed polyester yarn can be conveniently wound, the broken polyester yarn can be collected while the polyester yarn is cooled, and the winding quality and the winding efficiency are guaranteed.

The present invention provides an LED bracket and a manufacturing method thereof, an LED light-emitting device, and a light-emitting device. The LED bracket includes a base body injection-molded by using an unsaturated polyester resin, the base body has a groove for encapsulating an LED chip, the base body has an upper surface, a lower surface, and multiple outer side surfaces, and a first outer side surface and a second outer side surface of the multiple outer side surfaces are respectively formed with a resin injection gate mark and a resin release gate mark. The LED bracket of the present invention is injection-molded by an injection molding passage composed of a resin injection port and a resin release port provided on different sides of the mold, so that the gas generated inside is released from the resin release port to the outside, so that there is no gap inside the molded LED bracket, and the strength of the LED bracket is relatively high. Furthermore, the LED bracket in the present invention is molded by using an unsaturated polyester resin, has a high degradation resistance, and has low requirements for molding temperature and pressure, which can effectively ensure product quality and production efficiency.

The utility model discloses a slurry pumping and discharging device which comprises a rotary hydraulic pump and a slurry pumping and discharging steel pipe, the upper end of the rotary hydraulic pump is connected with a hydraulic pump station through a hydraulic pump pipe, the hydraulic pump station provides power for the rotary hydraulic pump, the lower end of the rotary hydraulic pump is connected with stirring teeth, and the stirring teeth are used for cutting fine silt. The rotary hydraulic pump and the slurry guiding and discharging pipe are welded to the connecting steel plate in a welding mode and connected through connecting bolts, an upper end opening of the slurry suction steel pipe is connected with the slurry guiding and discharging pipe, the middle of the slurry suction steel pipe is connected with the air supply pipe, and the air compressor supplies air to the interior of the slurry suction steel pipe through the air supply pipe to drive slurry to be discharged through the slurry guiding and discharging pipe. The problem that sediment in the pile casing and the cofferdam is not easy to clean after being settled is solved, and construction safety is improved while construction quality and construction efficiency are guaranteed.