71results about How to "Guaranteed normal processing" patented technology

The invention provides a wire pressing auxiliary device and method for a transformer winding machine, and relates to the technical field of winding machines, comprising a winding machine body and a rotating shaft, wherein a rotating shaft is rotatably provided at the lower part of one side of the winding machine body, and a winding piece is connected to one side of the rotating shaft, a sliding rod is slidably provided at the upper part of one side of the winding machine body, and a shaft plate is provided on one side of the upper and lower ends of the sliding rod; the invention drives the winding piece to rotate by the rotating shaft to wind the copper wire, and presses the clamping arm by pressing the elastic piece so that the two groups of clamping arms rotate inwardly and are clamped on the outer side of the winding piece, so that the wire pressing roller presses the winding part of the copper wire for regular winding, and presses and regularizes from two points, and before that, the copper wire passes between two groups of cleaning rollers and then between two groups of clamping rollers, and the T-shaped square column is pushed by the first spring to move the mounting plate inward, and the two groups of cleaning rollers and two groups of clamping rollers clamp the copper wire for cleaning and regularization, thereby improving the quality of the copper wire and having diversified functions.

The invention discloses an automatic detection method and system for small-size pests, and relates to the technical field of automatic detection of pests, environmental condition data in a pest monitoring area are collected, and pest data are collected by a sensor network; identifying insect types and position information in the insect pest image by using the trained insect pest target detection model; the insect types are verified according to the insect pest characteristics of the small-size insects, the insect intensity in the area is calculated according to the position information of the target insect pests and the time nodes, when the insect intensity exceeds the expectation, the trained insect pest outbreak prediction model is used for predicting the number of the insect pests, and if the prediction result exceeds the expectation, an alarm value is constructed according to the alarm data. And when the warning value exceeds a warning threshold value, outputting an insect pest emergency treatment scheme by the small-size insect pest treatment knowledge graph. On the basis of mutual cooperation and verification of a plurality of different characteristics, the detection reliability is improved when small-size insects are detected and identified.

The invention discloses a service request distribution method and device, equipment, a storage medium and a program product. The invention relates to the technical field of computers. Comprising the steps of obtaining a to-be-processed service request; analyzing the to-be-processed service request to obtain resource identification information and an interface category; determining target information based on the interface category; determining a customer identifier according to the target information, and querying a rule configuration table from a database based on the customer identifier; and determining a target system from the rule configuration table based on the resource identification information, and sending the to-be-processed service request to the target system for processing. According to the service request distribution method provided by the embodiment of the invention, the client identifier is determined through the interface category analyzed from the to-be-processed service request, the target system is determined based on the client identifier, and distribution of the service request is associated with the client identifier, so that the service request can be accurately distributed to the target system, and normal processing of the service is ensured.

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 embodiment of the invention relates to the technical field of electromagnetic wave sensors, and discloses a target detection method, an integrated circuit, a sensor and equipment. The invention discloses a target detection method, and the method comprises the steps: carrying out the independent constant false alarm processing of at least two receiving and transmitting channels based on a distance-Doppler spectrum, so as to obtain the candidate target data of the at least two receiving and transmitting channels; and processing the candidate target data based on the at least two transceiving channels to obtain final target data. At least constant false alarm processing is independently carried out and then combined processing is carried out through a receiving and transmitting channel, a scheme of target detection in space areas such as an automobile cabin, a room and a factory building is realized, the detection rate can be effectively improved, the false alarm target number is reduced, the angle estimation accuracy can be greatly improved, and the method is suitable for large-scale popularization and application. Therefore, special targets or weak targets such as infants and the like in the cabin can be accurately detected, and applications such as CPD and SBR are realized.

The utility model discloses a blade machining positioning device, and relates to the technical field of blade machining. The blade machining device comprises a workbench and further comprises a clamping part, a clamping part, a clamping part and a clamping part, and the clamping part is arranged above the workbench and used for clamping a blade needing to be machined; the adjusting part is mounted in the workbench and is used for adjusting the angles of the clamping part and the blade clamped on the clamping part; wherein the top of the adjusting part extends out of the workbench and is fixedly connected with the clamping part, the right side of the adjusting part extends out of the workbench, the clamping part comprises two positioning assemblies, and the two positioning assemblies are both installed at the top of the adjusting part. According to the blade machining and positioning device, the clamping part is arranged, so that the problem that in the using process of an existing blade machining and positioning device, a blade needing to be positioned is inconvenient to clamp, the blade is prone to displacement in the follow-up machining process, and normal machining of the blade is affected is solved.

The embodiment of the invention provides an information processing method and device, electronic equipment, a storage medium and a program product. The method comprises the following steps: acquiring initial information input by a user; when the initial information is a data query task, determining at least one target database corresponding to the initial information; the at least one target database is screened from a plurality of databases; determining at least one piece of accurate query information corresponding to the initial information based on a first text processing model according to the initial information and the information of the at least one target database; according to the at least one piece of accurate query information, the query result corresponding to the initial information is determined, the query intention of the user can be more accurately understood, the uncertainty caused by fuzzy query is reduced, the correlation and accuracy of the query result are improved, at least one target database is screened out from the multiple databases, and the user experience is improved. The query is ensured to be performed in the most relevant data source, and the screening process can reduce unnecessary data processing and improve efficiency.

The utility model relates to a drying and conveying device which comprises a machine table, a conveying assembly, a drying assembly and a block dispersing mechanism, the conveying assembly is installed on the machine table, the drying assembly is arranged above the conveying assembly, the drying assembly is connected with the machine table, and the block dispersing mechanism is arranged in the drying assembly; in the actual white carbon black production process, when the white carbon black needs to be dried and transported, the white carbon black can be placed on the conveying assembly, then the hot-air blower is operated to dry and heat the white carbon black on the drying bin and the conveying assembly, meanwhile, the telescopic driving assembly is operated to drive the stirring assembly to move on the mounting frame, and therefore the white carbon black can be dried and transported. And the white carbon black on the conveying assembly is stirred through the stirring assembly, and then the white carbon black is dried and conveyed, so that the white carbon black can be better conveyed, the white carbon black is prevented from being easily affected with damp and agglomerated, normal conveying of the white carbon black is guaranteed, and processing of the white carbon black is guaranteed.

The utility model discloses a screw tap clamping device and grinding machine equipment with the screw tap clamping device, the screw tap clamping device comprises a rotary positioning mechanism and an auxiliary positioning mechanism, and the rotary positioning mechanism is used for positioning the first end of a workpiece and driving the workpiece to rotate; the auxiliary positioning mechanism comprises a positioning piece and a mounting piece, a clamping position used for clamping a workpiece is formed between the positioning piece and the rotary positioning mechanism, the positioning piece is used for positioning a second end, opposite to the first end, of the workpiece, one end of the mounting piece is connected with the positioning piece, and an avoiding groove is formed in the other end of the mounting piece and used for avoiding the workpiece when the slotting grinding tool machines a threaded groove in the workpiece. The outer circle machining grinding tool and the slotting grinding tool are coaxially arranged. The screw tap clamping device can be used in cooperation with double grinding tools which are coaxially arranged, the two ends of a workpiece can be positioned, the machining efficiency is improved, and the machining precision is also improved.

The application relates to a message scheduling processing method and device. The method comprises the following steps: monitoring the current queue depth of a CPU slow rotation queue in real time; comparing the current queue depth with a plurality of preset congestion thresholds to determine a current corresponding scheduling mode; determining a target queue according to the protocol type of a to-be-processed message and the scheduling mode; scheduling the to-be-processed message to the corresponding target queue; and acquiring the message from the target queue and processing the message by using a queue priority scheduling strategy. The message scheduling processing method and device can dynamically adjust the scheduling strategy of key protocol messages based on the real-time congestion state of the CPU slow rotation queue, can preferentially guarantee the processing of management messages and link maintenance messages in a queue congestion scene, and can avoid device loss of management and link oscillation, thereby improving the stability and manageability of a network device.

The utility model belongs to chlorine gas absorption technical field, specifically disclose a novel accident chlorine gas absorption device, including primary accident tower and secondary accident tower, the secondary accident tower is fixed in primary accident tower top, is connected with the draught fan in the secondary accident tower top, is provided with chlorine gas release pipeline in primary accident tower side, is provided with the secondary sodium circulating pump in primary accident tower bottom and is connected with secondary sodium circulating pump's input, is connected with secondary sodium heat exchanger in secondary sodium circulating pump's output, is connected with secondary sodium circulating pipeline between secondary sodium heat exchanger and primary accident tower, the position of secondary accident tower near top is equipped with lye pipeline, is connected chlorine gas ascending pipeline between primary accident tower and second accident tower, is connected with secondary sodium descending pipeline between secondary accident tower and secondary sodium circulating pipeline, the fresh lye is from secondary accident tower top and is entered, and the accident release chlorine gas or overpressure release chlorine gas is from primary accident tower bottom and is entered, realizes countercurrent absorption in series connection's primary accident tower and secondary accident tower.

The application discloses a kind of based on image analysis's numerical control machine tool tool defect detection method and system, it is related to image analysis technical field, including control shooting equipment to numerical control machine tool tool image acquisition processing, obtains the front image of numerical control machine tool tool and the back image of numerical control machine tool tool.The application first by the standard image of numerical control machine tool tool of same shooting background to the front gray scale image of numerical control machine tool tool and the back gray scale image of numerical control machine tool tool data comparison processing, determine whether pixel value is same, if not same, then it indicates that numerical control machine tool tool surface exists defect, then, by the first angle of numerical control machine tool tool and the second angle of numerical control machine tool tool comparative analysis, determine whether the sharpness of numerical control machine tool tool meets standard, ensure that numerical control machine tool tool can normal machining, the above-mentioned mode ensures that numerical control machine tool tool can normal machining to workpiece, reduces scrap rate.

The utility model provides an injection connecting device of an injection molding machine, and belongs to the technical field of injection molding machines. Comprising a machining table and an injection mechanism, a mold bin is installed on the upper surface of the machining table, the injection mechanism comprises a scraping rod, a conveying pipe is installed on the upper surface of the machining table, a circular plate is rotatably connected to the interior of the conveying pipe, the scraping rod is fixedly connected to one side face of the circular plate, and a servo motor is fixedly connected to the outer surface of the conveying pipe. The output end of the servo motor is fixedly connected with a lead screw, and the lead screw is in threaded connection with a nut. A lead screw is mounted in a conveying pipe, a movable connecting pipe is mounted on the outer surface of the lead screw, and meanwhile, the connecting pipe can rotate along with the lead screw, so that a scraping rod rotates, raw materials attached to the inner wall of one end of the conveying pipe can be scraped, blockage caused by accumulation of the raw materials at one position is avoided, and it is guaranteed that a large amount of subsequent raw materials can enter the conveying pipe; therefore, the use is met.

The utility model relates to the technical field of activated carbon solid waste treatment, in particular to an activated carbon solid waste dust treatment device. The activated carbon solid waste dust treatment device comprises a dust collection main pipe, a cyclone separator, an absorption tank and a negative pressure device, the dust collection main pipe is connected with the feeding end of the cyclone separator and connected with a dust collection branch pipe. The air outlet end of the powder selecting separator is connected with an air outlet pipeline, and the air outlet pipeline is connected with an inlet of the absorption cell; absorption liquid is arranged in the absorption tank, and the air outlet pipeline extends into the absorption tank and extends below the liquid level of the absorption liquid; the outlet of the absorption cell is connected with the input end of the negative pressure device through a negative pressure pipeline. By spirally separating activated carbon dust, most activated carbon powder in tail gas can be removed, the service life of absorption liquid in the absorption tank can be prolonged, activated carbon solid waste is collected, and harm caused by dissipation of the activated carbon dust can be reduced.

The utility model discloses a mobile phone rear shell mould high-pressure forming machine capable of polishing and grinding, which comprises a mould main body, a bracket is fixedly mounted on the outer side of the mould main body, a mould accessory is inserted in the mould main body, a clamping rod is arranged on one side of the mould accessory in a penetrating manner, and a rack is fixedly mounted at the bottom of the bracket. A mounting frame is fixedly mounted at the bottom of the inner side of the machine frame, a conveying device is movably mounted in the mounting frame, and the machine frame is fixedly mounted on one side of the bottom of an inner cavity of the machine frame. The mobile phone rear shell mold can be aligned to be polished and ground after being formed, the workpiece machining steps are simplified, the workpiece machining speed is increased, the workpiece machining time is saved, and the workpiece machining efficiency is improved.

This utility model discloses a glass bottle and jar processing feeding machine. The technical solution includes a processing box and a material box. A material box is installed near the bottom of one side of the processing box, and a positioning frame is installed on the top of one side of the material box. A screening plate is installed inside the positioning frame via a sliding rod. Springs are installed on the outer surface of the sliding rod on both the front and rear outer surfaces of the screening plate. A positioning seat is installed in the middle of the bottom of the screening plate. A drive motor is installed on the side of the positioning frame near the positioning seat, and a cam is installed on the output shaft of the drive motor on the side of the positioning seat. This glass bottle and jar processing feeding machine solves the problem that existing glass bottle and jar feeding machines cannot screen the raw materials before feeding, resulting in inconsistent particle sizes of the conveyed raw materials and affecting subsequent processing. This machine improves the particle size uniformity of the raw materials, thereby ensuring normal processing of the subsequent glass bottle and jar materials.

The utility model relates to the technical field of dichloropyrimidine crystallization, in particular to a stirring crystallization kettle. Comprising a crystallization kettle body, a support, a collecting box, a valve, an air pipe and a stirring assembly, the stirring assembly comprises two scraping plates, two mounting frames, two electric push rods, two sealing rings, a driving part, a rotating shaft and two stirring blades, the driving part is fixedly connected with the crystallization kettle body, the rotating shaft is connected with the driving part, and the two stirring blades are fixedly connected with the rotating shaft. The two scraper plates are matched with the corresponding storage holes respectively, the two mounting frames are fixedly connected with the rotating shaft, each electric push rod is arranged in the corresponding mounting frame, and the output end of each electric push rod is fixedly connected with the corresponding scraper plate. The dichloropyrimidine raw material can be completely stirred in the crystallization kettle body, the dichloropyrimidine raw material cannot be detained on the inner wall of the crystallization kettle, and subsequent normal processing is guaranteed.

The invention provides a high-ammonia-nitrogen wastewater treatment device based on an ammonia-nitrogen separation membrane-reverse osmosis membrane technology. The high-ammonia-nitrogen wastewater treatment device based on the ammonia-nitrogen separation membrane-reverse osmosis membrane technology comprises at least two water storage tanks, a filter cartridge, a filter screen, a connecting plate and an adjusting mechanism, one end of the filter cartridge is connected with the inner wall of the water storage tank, one end of the filter screen is hinged to the inner wall of the water storage tank, the filter screen is attached to one end of the filter cartridge, and the resin particles are located in a cavity formed by the filter cartridge and the filter screen; the connecting plate is connected with the inner wall of the water storage tank, the water storage tank is provided with a communication port for moving out resin particles, the adjusting mechanism is arranged on the water storage tank, the filter screen is connected with the adjusting mechanism, and the adjusting mechanism drives the filter screen to swing to be attached to one side of the connecting plate, so that the resin particles are moved out of the cavity. The ammonia nitrogen in the high-ammonia-nitrogen wastewater can be efficiently removed, and the treatment efficiency is improved.

The invention provides a business processing method modification method and device, equipment and a storage medium, and the method comprises the steps: defining a customization method; intercepting a target access request sent to the request address of the original method, and forwarding the target access request to the request address of the customization method; processing the target access request through the customization method, and generating a target response; and returning the target response to a requester of the target access request. By adopting the method, the consumed labor cost and time are reduced, the modification difficulty and error risk of the business processing method are reduced, and the modification efficiency and accuracy of the business processing method are improved.

The invention discloses a continuous treatment device for cellulose wastewater, which relates to the technical field of wastewater treatment, and comprises a frame, a wastewater injection port is arranged above the frame; a circulating conveying mechanism, the circulating conveying mechanism comprises an annular conveyor belt installed on the frame; a wastewater collecting and drying mechanism; the wastewater collecting and drying mechanism comprises a wastewater continuous receiving tank assembly and a heating body; the wastewater continuous receiving tank assembly is installed on the annular conveyor belt; the wastewater injection port corresponds to the upper part of the wastewater continuous receiving tank assembly; the heating body is arranged corresponding to the wastewater continuous receiving tank assembly; a cellulose collecting mechanism; the cellulose collecting mechanism comprises a flexible scraper and a collecting assembly; the flexible scraper and the wastewater injection port are arranged at intervals along the conveying direction of the annular conveyor belt; the flexible scraper is adapted to abut against the wastewater continuous receiving tank assembly, and is used to scrape out solid or semi-solid cellulose; the collecting assembly is arranged corresponding to the lower part of the flexible scraper. The invention realizes the continuous treatment and recycling of high-concentration cellulose production wastewater by physical methods.

The utility model provides a kind of welding system, by setting workbench, and mobile mechanism is set to workbench, heat conduction pedestal is set to mobile mechanism, and heat conduction pedestal is provided with cooling passage for cooling liquid to pass through and has the carrying position for carrying the piece to be welded, and the locking assembly for fixing the carrying position of the piece to be welded is set to heat conduction pedestal, and laser integrated system for welding the piece to be welded fixed in carrying position is set to workbench. By the welding fixture disclosed above, since the present application can remove the heat of the heat conduction pedestal through the cooling liquid during welding of the piece to be welded, rapid cooling of the heat conduction pedestal is achieved. Therefore, when the welding fixture of the present application is used for hole machining of titanium-aluminum composite material, the temperature of titanium wire hot melting can be quickly reduced by the cooling liquid, thereby avoiding the melting and collapse of aluminum material around the pre-machined hole position, and effectively preventing the aluminum material from melting into titanium liquid to form impurities, ensuring the subsequent hole machining.

The invention provides a color image robust reversible watermarking method based on a quaternion Zernike moment, and belongs to the field of image security. The problems of low efficiency and insufficient robustness of an existing method for embedding a robust reversible watermark algorithm into a color image are solved. The method comprises the following steps: firstly, embedding a robust watermark into a quaternion Zernike moment coefficient of a color image; then, according to the watermark embedded with the robustness, an intermediate image is generated, and the intermediate image is close to the original color image; and converting the difference value between the intermediate image and the original color image into a bit sequence, and embedding the bit sequence into the image added with the robust reversible watermark by adopting a reversible information hiding mode to finally obtain the image added with the robust reversible watermark. When the watermark is extracted, the original color image can be recovered from the image added with the robust reversible watermark, the method has strong robustness in the aspects of salt and pepper noise, Gaussian noise, JPEG compression and image blurring, the robust reversible watermark is embedded into the color image, and the method can be applied to copyright protection of color medical images.

The present invention relates to the technical field of deep treatment of odor of organic waste gas, and specifically to a system and method for deep treatment of odor of organic waste gas, including a gas control unit and a treatment unit. The present invention transports organic waste gas to a disc-shaped pipe rack through a gas pipe and an air pump. When the disc-shaped pipe rack is filled with gas, the gas is evenly discharged from the gas outlet. The biological agent is stirred by a linkage frame to make the biological agent contact with the gas evenly, so as to ensure that the bacterial activity of each part of the microbial agent is even, so that the effect of the microbial agent is maximized, and the treatment efficiency of the treatment equipment is improved. The gas after the initial treatment is sent to the disc-shaped pipe rack on the right side through the conveying frame for re-treatment. The gas after the re-treatment is discharged to the outside through the exhaust pipe, so as to ensure that the gas is completely treated and improve the treatment effect of the treatment equipment. The stirring frame drives the blocking frame to rotate, so as to prevent water droplets generated during the treatment of the biological agent from falling to the gas outlet and affecting the gas outlet.

The present application relates to a method, device, computer equipment and storage medium for recovering software defects. The method comprises: receiving error information sent by the master node after an error occurs in the operation of a target application; filtering out the target message that causes the target application to run incorrectly from the candidate messages received in advance according to the error information; discarding the target message; switching the target follower node to the current master node in the cluster; receiving new messages through the current master node, and performing message processing on the candidate messages and new messages whose receiving time is after the receiving time of the target message. The use of this method can ensure the high availability of the cluster and solve the problem of automatic recovery of the distributed cluster system in the software defect scenario.

The utility model relates to a floating feeding and discharging mechanical arm and a feeding and discharging device thereof. The floating feeding and discharging mechanical arm comprises a fixing plate, a mounting plate, a clamping jaw air cylinder, two workpiece clamping jaws and two floating mechanisms. The clamping jaw cylinder is fixed at the bottom of the mounting plate; the two workpiece clamping jaws are connected with the clamping jaw air cylinder; the floating mechanism comprises a first supporting plate, a second supporting plate, two T-shaped guide rods, a third supporting plate, two springs and two suction cups. The first supporting plate is fixed at the bottom of the mounting plate; the middle of the second supporting plate is connected with the bottom of the first supporting plate. The two T-shaped guide rods are arranged at the two ends of the second supporting plate in a penetrating mode. The third supporting plate is connected with the bottoms of the two T-shaped guide rods; the two springs are arranged on the two T-shaped rods in a sleeving mode correspondingly. The two suckers are fixed to the two ends of the bottom of the third supporting plate. The non-straight automobile parts in the material box can be taken out through the floating mechanism and adjusted to be in a straight state, then the two workpiece clamping jaws are driven by the clamping jaw air cylinder to clamp the automobile parts, and normal machining forming of the automobile parts is guaranteed.

The utility model provides a three-edge staggered tooth inner chip removal deep hole drill, which belongs to the technical field of deep hole drills, and comprises a drill bit main body, blade grooves, blades, chip removal holes and an elastic positioning column, the outer end part of the drill bit main body is provided with three blade grooves, the blades are embedded in the blade grooves, the chip removal holes are formed in the center of the outer end of the drill bit main body, and the elastic positioning column is arranged in the chip removal holes. Elastic positioning columns are embedded into the ends, close to the outer side of the drill bit body, of the blade grooves; when the blade is damaged and needs to be repaired, the elastic positioning column is completely embedded into the embedding hole by pressing the elastic positioning column, the elastic positioning column cannot block the blade, then the blade and the widening strip are taken out of the blade groove to repair the blade, and a new blade is installed on the drill bit body. And the drill bit main body does not need to be taken down from a machine tool, so that the debugging time is saved, the working continuity of the drill bit main body is ensured, and the working efficiency is improved.

The invention discloses a slice folding machine for wet tissue production, and relates to the technical field of wet tissue production. The slice folding machine for wet tissue production comprises a production device, the outer wall of the production device is fixedly connected with a control device, the outer wall of the production device is fixedly connected with a water storage tank, and the outer wall of the production device is fixedly connected with a clamping mechanism. According to the slice folding machine for wet tissue production, when two first gears are meshed, two second rotating rollers can be driven to rotate reversely, then two conveying belts rotate reversely along with the two second rotating rollers, the two conveying belts rotate towards the middle position, wet tissues can be driven to be conveyed, the wet tissues cut by a production device are collected, and the production efficiency of the wet tissues is improved. The wet tissue is located between the two conveying belts, so that redundant water in the wet tissue can be squeezed to a certain degree, the redundant water is squeezed to fall down, and the effect of squeezing the redundant water is achieved.

The invention provides a roof waterproof structure and a construction method thereof, and relates to the technical field of constructional engineering.The roof waterproof structure comprises a wedge-shaped groove formed in a parapet wall, a waterproof roll, a sealing structure and a waterproof layer structure, and a closing head of the waterproof roll is arranged in the wedge-shaped groove; the sealing structure is arranged in the wedge-shaped groove and used for sealing the waterproof roll and the wedge-shaped groove and enabling the surface of the wedge-shaped groove to be flush with the surface of the parapet wall; the waterproof layer structure is arranged on the surface of the parapet wall. The method has the beneficial effects that the bonding of the waterproof coiled material and the base layer at the waterproof closing head can be ensured to the maximum extent, the common quality problems of falling, hollowing and the like of the waterproof coiled material before the construction of the next working procedure are effectively avoided, the leakage problem is greatly avoided, the waterproof closing head is really hidden, and the service life of the waterproof coiled material is prolonged. The problem of leakage at the coiled material closing position is effectively avoided, and the overall impression of the vertical face of the parapet wall is guaranteed.

The present application relates to a kind of multi-stage gear transmission precision rotary table, including driving device, transmission assembly, main shaft, accurate control device and brake device, the driving device is connected with the main shaft drive by the transmission assembly, the main shaft is equipped with table top, the transmission assembly includes gear four, the gear four is installed on the main shaft, the accurate control device is used to lock the main shaft, the brake device is used to brake the gear four.Driving device is realized 360 ° rotation by transmission assembly with main shaft, overall structure is compact, small space occupation, long service life, transmission assembly maintenance is simple, and maintenance cost is low;Power transmission is passed to main shaft and table top by transmission assembly to driving device, the rotational speed of main shaft is reduced, torque is substantially improved, guarantee table top stable rotation, guarantee the normal processing of workpiece on table top;More accurate angle adjustment is realized to main shaft by setting accurate control device and brake device, meet the braking demand when using.

The utility model relates to the technical field of biological rotating disc sewage treatment, in particular to self-cleaning type biological rotating disc sewage treatment equipment which comprises a biochemical tank, a rotating disc device and a driving device, the biochemical tank is provided with a water inlet and a water outlet, the rotating disc device is arranged in the biochemical tank, and the rotating disc device comprises a rotating shaft and a plurality of discs arranged on the rotating shaft. The driving device is connected with the rotating shaft, the cleaning device comprises a supporting assembly and an elution assembly, the elution assembly is arranged corresponding to the interval space, the supporting assembly is used for driving the elution assembly to extend into the interval space, and the elution assembly comprises a first pressurizing baffle; therefore, the water flow in the interval space is pressurized and accelerated. The elution assembly is driven by the supporting assembly to extend into the interval space between the adjacent discs, so that the water flow in the interval space is pressurized and accelerated, the shearing force of the water flow on the biological membrane on the discs is improved, and the biological membrane is promoted to be separated from the discs.