176results about How to "Guaranteed unobstructed" patented technology

The invention provides an anti-hair loss composition containing cacumen biotae as well as a preparation method and application of the anti-hair loss composition, and belongs to the technical field of biological medicines. The anti-hair loss composition containing cacumen biotae comprises a cacumen biotae extract, a ginseng root extract, an eclipta prostrata extract, a polygonum multiflorum extract, a tea seed extract, a gleditsia sinensis extract, a mulberry bark extract, a cortex dictamni extract, a cnidium monnieri seed extract and a mint extract. All the components have a synergistic effect, and the shampoo has the effects of improving the greasy environment of scalp, preventing grease from blocking hair follicles, reducing the damage of inflammation to the hair follicles, inhibiting the activity of 5 alpha-reductase, improving the color and toughness of hair and the like, relieves alopecia seborrhoeica and achieves an anti-alopecia effect.

The invention discloses a processing method for dynamically adjusting a traffic light signal scheme according to traffic flow, which comprises the following steps of: deploying sensors including a ground induction coil, a camera and a pedestrian button at each traffic intersection, and preprocessing collected traffic flow and pedestrian flow data; and predicting trends of traffic flow, non-motor vehicle flow and pedestrian flow of each intersection in a short period, modeling traffic light states of each intersection into a dynamic system, calculating an optimal traffic light adjustment strategy, and adjusting the traffic light states in real time. By dynamically adjusting the traffic light signals, the system can more effectively respond to the actual on-site conditions including the flow of pedestrians and non-motor vehicles, more reasonable signal duration distribution is achieved, waiting time is shortened, traffic efficiency is improved, meanwhile, the pedestrians and the non-motor vehicles are considered, the safety of the system can be improved through an optimized signal control strategy, and the traffic light control method is suitable for popularization and application. The signal lamp is adjusted to provide more transition time for pedestrians and non-motor vehicles, so that the accident risk is reduced.

The embodiment of the invention provides a battery monomer, a battery and an electric device. The reliability of the battery monomer can be improved. The battery cell includes: a housing having a first wall; the pressure relief mechanism is arranged on the first wall; an electrode assembly, wherein the electrode assembly is accommodated in the shell; and the supporting component is arranged opposite to the pressure relief mechanism and is used for limiting the electrode assembly to move towards the first wall.

The utility model discloses a mine stone crushing device, and belongs to the technical field of mine stone crushing. Comprising a crushing box, a feeding hopper is arranged on one side of the upper end of the crushing box, a fixing sleeve is arranged on the side, adjacent to the feeding hopper, of the upper end of the crushing box, a crushing motor is arranged in the fixing sleeve, a driving gear is arranged at one end of the crushing motor, and a driven gear is connected to one side of the driving gear in a meshed mode; a first crushing roller is arranged at one end of the driving gear, and a second crushing roller is arranged at one end of the driven gear; the screening assembly is arranged to screen and collect crushed stone blocks, so that the stone blocks with the same size can be classified together, and subsequent processing of mine stone is facilitated; and by arranging the dust falling assembly, dust generated by mine stone crushing is reduced, the situation that a large amount of dust generated by mine stone crushing pollutes the environment is avoided, and therefore the environment is protected.

The covered stent comprises a plurality of stent rings distributed in the axial direction and a covering film, and the covering film comprises a first part and a second part; the stent ring comprises a constraint state and a release state, in the constraint state, the stent ring comprises a constraint release line, the constraint release line stitches the two ends, close to the first part, of the second part, so that a compression space is defined by the first part, and the stent ring is compressed and contained in the compression space in the radial direction; and in the release state, the stent ring compressed in the compression space is expanded and is attached to the second part. Interference between the windowing position and the metal stent can be avoided, and interference between the branch artery covered stent system and the metal stent of the covered stent in the aorta in the placing process is avoided; enough supporting force can be provided in the arch area, and the covered stent in the branch blood vessel is prevented from moving towards the inside of the aortic lumen while the aortic lumen is kept unobstructed.

The utility model discloses an air-cooling heat dissipation device for an energy storage battery cluster of a battery chamber, and belongs to the technical field of heat dissipation of the battery chamber. A battery chamber energy storage battery cluster air cooling heat dissipation device comprises a battery box and further comprises a main induced draft fan fixedly connected to the battery box, a heat dissipation plate is fixedly connected in the battery box, a cavity is formed between the bottom of the heat dissipation plate and the battery box, and the air outlet end of the main induced draft fan is communicated with the cavity; the auxiliary induced draft fan is fixedly connected to the battery box, and the air outlet end of the auxiliary induced draft fan is communicated with the battery box; the auxiliary induced draft fan and the main induced draft fan are used in cooperation, heat generated above and below the batteries can be dissipated in time, hot air cannot be transmitted to the periphery of the upper-layer batteries after heat exchange of the bottom-layer batteries, then heat around the batteries can be dissipated in time, the batteries can be effectively prevented from being overheated, and the service life of the batteries is prolonged. The safety performance of the battery is ensured.

The invention relates to the technical field of oil-gas separation equipment, in particular to a multiphase flow gas-liquid separation and treatment device which comprises a liquid collection pool. A liquid outlet is formed in the outer side face of the liquid collecting pool, a first electric control valve is installed on the liquid outlet, a cylindrical barrel is installed on the upper surface of the liquid collecting pool, the cylindrical barrel is connected with an annular flow dividing pipe through a flow guide pipe arranged on the outer side face of the cylindrical barrel, a conical gradual change pipe is installed on the outer side face of the annular flow dividing pipe, and a flow sensor is installed on the conical gradual change pipe. According to the multiphase flow gas-liquid separation and treatment device, solid impurities on the surface of the umbrella-plate separator can be cleaned in real time, smoothness of meshes of the umbrella-plate separator is effectively guaranteed, meanwhile, the working efficiency of the gas-liquid separator is guaranteed, and the multiphase flow gas-liquid separation and treatment device is suitable for large-scale popularization and application. When the pressure in the gas-liquid separation and treatment device is too large, the safety structure is broken firstly, and the pressure of the tank body is relieved, so that serious accidents are avoided.

The invention, which relates to the technical field of circuit protection, discloses an intelligent drop-out fuse comprising a mounting base in which three limiting hoop mechanisms are fixedly mounted. A first drop-out fuse body, a second drop-out fuse body and a third drop-out fuse body are arranged in each limiting hoop ring mechanism; three limiting side support mechanisms are arranged in the mounting seat, and the three limiting side support mechanisms are matched with the first drop-out fuse body, the second drop-out fuse body and the third drop-out fuse body respectively; a module bin is fixedly mounted in the mounting seat, a collection unit module is inserted into the inner side of the module bin, the mechanism adopts the arrangement of a limiting side supporting mechanism, effective side supporting force is provided for the drop-out fuse, the number of acting points of the drop-out fuse after mounting is increased, the stability of the drop-out fuse during use is further improved, and the service life of the drop-out fuse is prolonged. And shaking is prevented.

The utility model provides a hydraulic oil pipe support. The hydraulic oil pipe support comprises a support body and a hinged installation frame. A main body oil pipe containing space is formed in the support main body, and a hydraulic oil pipe can penetrate into the main body oil pipe containing space and is placed in the main body oil pipe containing space. The hinge mounting frame is connected with the support body, and a hinge mounting part is arranged on the hinge mounting frame. Compared with the prior art, the hydraulic oil pipe support can contain and install the hydraulic oil pipe, and the hydraulic oil pipe can be better prevented from being knotted, pulled and wound.

The utility model discloses a pretreatment device and an ammonia nitrogen analyzer, and belongs to the technical field of chemical detection equipment. The pretreatment device is used for filtering sewage entering an ammonia nitrogen analyzer and comprises a filtering unit connected with a liquid collector of the ammonia nitrogen analyzer, and an anti-blocking unit is arranged between the filtering unit and the liquid collector of the ammonia nitrogen analyzer and used for pretreating the sewage entering the liquid collector; the water inlet end of the filtering unit is connected with a water supply pipeline, the water outlet end of the filtering unit is connected with a three-way valve, and the three-way valve is further connected with a liquid inlet pipeline of the liquid collector; the anti-blocking unit comprises a blowback air pump and a blowback gas conveying pipe, one end of the blowback gas conveying pipe is connected with the blowback air pump, and the other end of the blowback gas conveying pipe is connected with the three-way valve. According to the pretreatment device disclosed by the utility model, the blockage of the filter unit can be avoided through the arranged anti-blocking unit, the problem that normal measurement of an instrument is influenced by abnormal sample introduction caused by blockage of the ammonia nitrogen analyzer is solved, the loss of the ammonia nitrogen analyzer is reduced, and the service life of the ammonia nitrogen analyzer is prolonged.

The invention discloses a permanent-magnet variable-frequency screw air compressor and a using method thereof. The air compressor comprises a compressor body, an oil-gas separation mechanism, an oil scraping mechanism, an oil brushing mechanism and an oil suction mechanism. According to the permanent magnet frequency conversion screw type air compressor, the high-efficiency permanent magnet motor and the frequency converter are combined, so that the rotating speed of the motor is accurately adjusted, the energy efficiency is remarkably improved, and the energy consumption is reduced. The innovative oil-gas separation mechanism adopts a filter screen cylinder and a spiral separation blade, so that the oil-gas separation efficiency is greatly improved, the loss of lubricating oil is reduced, and the service life of equipment is prolonged. In addition, an oil scraping mechanism, an oil brushing mechanism and an oil suction mechanism are arranged, so that smoothness of the filter screen cylinder is ensured, the risk of oil contamination blockage is reduced, and the stability and the operation efficiency of the equipment are improved. And a unique cooling mechanism keeps the oil-gas separator in an optimal temperature range all the time through cooling water circulation, so that the oil-gas separation effect is further optimized, and the reliability and efficient operation of the whole system are guaranteed.

The utility model relates to a water pan assembly, a defrosting drainage system and a heat pump unit. The water pan assembly comprises a water pan body and a heating assembly fixedly connected to the water pan body. The water pan body is provided with at least one bearing plate used for bearing a heat exchanger and at least one water receiving groove. The bearing plate is obliquely arranged relative to the horizontal plane; the water receiving tank is fixedly connected with the lower end of the bearing plate; at least one group of flow guide structures are arranged at the bottom of the water receiving tank, and water outlets are formed in the water flow tail ends of the flow guide structures; the heating assembly is fixedly connected to the bottom face of the bearing plate and fixedly connected to the bottom face of the water receiving groove. According to the water pan assembly disclosed by the utility model, the structure convenient for guiding the defrosting water is designed, and the flowing path of the defrosting water is heated, so that the defrosting water is prevented from being quickly frozen to cause ice blockage in a source area, and the defrosting water can be conveniently and quickly guided away from a heat exchanger.

The utility model provides a vibration device for a fluidized bed dryer, which comprises a dryer body, a filter chamber arranged on the upper portion of the dryer body, a filter bag mounting portion arranged in the filter chamber, a plurality of through holes arranged on the bottom surface of the filter bag mounting portion, filter bags respectively arranged in the plurality of through holes, and the filter bag mounting portion moving up and down through a cylinder. A vibration disc is horizontally arranged in the middle of the filter bag mounting part, through holes allowing a plurality of filter bags to penetrate through are formed in the vibration disc, a lifting cylinder is arranged on the upper surface of the filter bag mounting part, the output end of the lifting cylinder penetrates through the top surface of the filter bag mounting part, and a first ball head connecting piece is arranged on the upper surface of the vibration disc; a first movable ball head suitable for a ball head connecting piece is arranged at the end part of the output end of the lifting cylinder, extension springs are vertically and upwards arranged at the edges of the vibration disc on the two sides of the first ball head connecting piece respectively, the top ends of the two extension springs are connected with the filter bag mounting part respectively, and a micro vibration motor is arranged at the edge of the vibration disc; the filter bag can be prevented from applying medicine powder by increasing the shaking frequency of the filter bag, and the filter bag can be kept normal.

The utility model relates to the technical field of instant adhesive dispensing equipment, and discloses anti-solidification instant adhesive dispensing equipment which comprises a machine body, an adhesive dispenser is arranged at the top of the machine body, a heating adhesive barrel is arranged on the side wall of the machine body, an adhesive pump is fixedly connected to the top of the heating adhesive barrel, an output pipe is fixedly connected to the top of the adhesive dispenser, and the output pipe is fixedly connected to the side wall of the machine body. A clamping assembly is arranged on the outer wall of the glue pump and comprises a plurality of connecting shafts, and the connecting shafts are fixedly connected to the outer wall of the glue pump. According to the glue dispensing device, instant glue is heated to a certain temperature by heating the glue barrel, so that the instant glue is kept in a flowing state suitable for glue dispensing, it is guaranteed that the glue cannot be solidified in the output pipe, the rotating plate is pressed to rotate so that the clamping plate can be lifted up from the output pipe and cannot be clamped any more, the output pipe can be conveniently disassembled and assembled, glue residues are avoided, and the pipeline is kept smooth; and therefore, the reduction of dispensing precision or equipment failure caused by glue blockage or solidification is reduced.

The utility model discloses a naphthalene water reducer neutralization reaction device capable of automatically adding alkali, and belongs to the technical field of water reducer production equipment. The naphthalene water reducer neutralization reaction device with the automatic alkali adding function comprises a reaction tank, a tank cover is installed at the top end of the reaction tank, four supporting columns are installed on the outer side of the bottom end of the reaction tank, a cooling mechanism is installed on the outer side of the reaction tank, an alkali liquor tank is arranged on one side of the reaction tank, a ring pipe is installed on the inner side of the reaction tank, and a plurality of alkali liquor spray heads are installed at the bottom end of the ring pipe. The top end of the alkali liquor tank is provided with a liquor feeding mechanism for supplying liquor to the annular pipe, the top end of the annular pipe is provided with a cleaning mechanism for cleaning the alkali liquor spray head, the reaction tank is internally provided with a mixing mechanism, the bottom end of the reaction tank is provided with a liquor outlet pipe, and one end of the liquor outlet pipe is provided with a valve. The neutralization reaction efficiency is improved, and the practical value is relatively high.

The utility model provides an automatic cleaning filter which comprises a separation pipeline and a sundry pipeline, one end of the separation pipeline is connected to the sundry pipeline, the separation pipeline is provided with a water inlet and a water outlet, water containing sundry enters the separation pipeline from the water inlet, and a sundry separation channel used for separating the sundry from the water is formed in the separation pipeline. And the separated impurities enter the impurity pipeline, and the separated water flows out from the water outlet. The filter not only can keep the flow rate of water flow stable, but also can automatically clean various types of sundries and garbage, and the sundries discharged by automatic pollution discharge are low in water content and do not need to be treated again.

A comprehensive monitoring system for a mine closed area provided by the present invention comprises a box body and a central control device, the left side of the box body is provided with an air inlet assembly, the bottom of the box body is provided with a monitoring assembly, the inner top surface of the box body is fixedly connected with a mainboard, and the bottom of the mainboard is provided with a waterproof film. The bottom of the mainboard is fixedly connected with a methane sensor, a carbon monoxide sensor, a carbon dioxide sensor, an oxygen sensor, a temperature and humidity sensor and an air pressure sensor. By arranging the box body, the air inlet assembly, the monitoring assembly, the mainboard, a methane sensor, a carbon monoxide sensor, a carbon dioxide sensor, an oxygen sensor, a temperature and humidity sensor, an air pressure sensor, an air extracting pump, an air outlet pipe, a right filter screen, a micro motor, an alarm, a buzzer and a connecting optical fiber, air in a closed area can be extracted into the box body; the internal sensors are used for detecting air and are combined with the cameras below, so that the monitoring strength is greatly improved, and the monitoring data are more perfect.

This utility model relates to the field of engineering construction technology and discloses a drainage facility capable of intercepting and retrieving sediment. The facility includes a spindle-shaped sedimentation tank installed on a drainage channel. An interception cage is installed within the sedimentation tank. The interception cage includes an outer cage inside the sedimentation tank and an inner liner placed inside the outer cage. The outer cage is open on all four sides and bottom, open at the top, and has a notch on the side facing the water flow direction. The inner liner is open on the side perpendicular to the water flow direction, closed on the side and bottom parallel to the water flow direction, and open at the top. A support frame is installed above the sedimentation tank, and a pulley lifter is mounted on the support frame to lift the inner liner from inside the outer cage. Its structure is simple and easy to operate. It can effectively settle and filter silt and floating debris, improve dredging efficiency, reduce the probability of drainage system blockage, and greatly reduce the possibility of upstream flooding caused by drainage system blockage.

The snore-ceasing equipment comprises an upper tooth socket and a lower tooth socket, an upper tooth biting groove is formed in the upper end of the upper tooth socket, a lower tooth biting groove is formed in the lower end of the lower tooth socket, a vertical plate is fixedly arranged in the middle of the upper end of the lower tooth socket, a through hole is formed in the vertical plate, and a tightness adjusting rod is movably inserted into the through hole. The snore-ceasing equipment is characterized in that a tightness adjusting rod is fixedly arranged on the upper tooth socket, the end, extending into the inner side of the vertical plate, of the tightness adjusting rod is fixedly connected with the upper tooth socket, a pressing head is fixedly arranged at the other end of the tightness adjusting rod, and two conical rubber rings are fixedly arranged on the tightness adjusting rod. Three-gear adjustment can be carried out according to the requirements of different individuals to adapt to people with different mandible movement ranges, and the tightness adjusting rod is fixedly connected with the upper tooth socket and abuts against the upper tooth socket inwards, so that the mandible is driven to be supported outwards, the smoothness of the airway is guaranteed, and the snoring problem is solved.

The utility model relates to the field of municipal engineering recycling, and discloses a municipal engineering recycling device which comprises a waste box, a draining box is obliquely arranged on the waste box, and a filter screen capable of filtering waste water and a cleaning roller for cleaning the filter screen are arranged in the draining box; the water draining box is arranged on the waste box, the water draining box is obliquely arranged, the filter screen for filtering waste water and the cleaning roller for cleaning the filter screen are arranged in the water draining box, when the waste is cleaned in a centralized mode, the waste is placed in the water draining box firstly, and due to the fact that the water draining box is obliquely arranged, the water draining box is arranged in the water draining box; excessive water flows towards the filter screen due to self weight, the wastewater is filtered out through the filter screen, and the cleaning roller can clean the screen surface of the filter screen, so that the filter screen is prevented from being blocked, and the smoothness of water filtration is ensured; and redundant water in the waste is filtered out, so that the total amount of the waste is effectively reduced, and the waste collection, transportation and treatment cost is reduced.

The utility model discloses a shavings board raw material vibration sorting device, including sorting box, a plurality of inclined frames are slidably connected in the sorting box, and T-shaped rods are symmetrically installed on the upper end of the inclined frame, and the upper end of the inclined frame is provided with an inclined screen plate, and the lower end of the inclined screen plate is symmetrically provided with a T-shaped through groove, a vibrating mechanism is arranged at the left end of the sorting box, and the vibrating mechanism is fixedly connected with a plurality of inclined frames, a dredging mechanism is arranged on the lower side of the inclined frame, a driving mechanism is arranged at the front end of the sorting box, and a taking and placing inclined opening is arranged at the position corresponding to the inclined screen plate at the rear end of the sorting box. The utility model can make the raw material in the screen hole shake out by the mechanical impact force through the natural impact of the inclined screen plate on the dredging convex block in the up-down vibration process, and the screen hole is kept unobstructed in real time. Meanwhile, the dredging convex block is driven by the servo motor to move back and forth slowly, the inclined screen plate is dredged comprehensively and without dead angle, the problem of local blockage is solved completely, the cleaning frequency of the screen plate is reduced, and the downtime maintenance time is reduced.

The utility model discloses a quick drilling device for producing and processing a linear guide rail, and relates to the technical field of drilling, the quick drilling device for producing and processing the linear guide rail comprises a base plate, the rear end of the top of the base plate is fixedly connected with a plurality of first mounting rods, and a punching assembly is mounted among the front ends of the first mounting rods; two first mounting plates and two cushion blocks are fixedly connected to the top of the base plate, a plurality of telescopic air cylinders are fixedly connected to the tops of the two first mounting plates, the output ends of the telescopic air cylinders are fixedly connected with protective layers, and a flushing assembly is mounted at the front end of the top of the base plate. According to the drill hole cleaning device, waste chips and cutting chips generated in the drill hole can be effectively cleaned, the drill hole is prevented from being accumulated and blocked, the drill hole is kept smooth, the opportunity that workers make contact with machine equipment and waste iron chips can be reduced, the operation risk is reduced, safety is improved, and meanwhile the labor cost is reduced.

A water interception trench structure and construction method suitable for waterproofing the exterior of potash mine shafts are disclosed. The structure includes a shaft and a shaft wall, and further includes an embedded water storage bag, a water supply pipe, a water storage box, a water outlet pipe, a wall base, and an observation cylinder. The embedded water storage bag is located on the side of the shaft wall and below the soil water level to collect water flowing downwards from the soil layer through the outer wall of the shaft. The water storage box is located inside the wall base. The bottom of the embedded water storage bag has a water outlet hole. One end of the water supply pipe is connected to the water outlet hole and the other end is connected to the water storage box. One end of the water outlet pipe is connected to the water storage box and the other end is connected to the observation cylinder. The observation cylinder is installed on the side of the shaft wall near the shaft. The embedded water storage bag and the shaft wall are integrally cast with concrete, the water storage box and the wall base are integrally cast with concrete, and the wall base and the shaft are integrally cast with concrete. This invention has the advantages of simple construction, accurate monitoring, reusability, and cost savings, and has wide applicability and promotional value in the field of waterproofing potash mine shafts.

The application discloses a kind of gas interference simulation device and method for gas alarm testing, belong to gas detection technical field, including detection box, gas alarm is placed in detection box, first gas inlet is opened in the top surface of detection box, exhaust port and the sealing plug that is adapted to the exhaust port are arranged in the side surface of detection box, multifunctional gas analyzer is fixedly installed in detection box, further including: interference device, interference device is fixedly installed in detection box, interference device is used to detect whether the alarm sound of gas alarm is emitted in each specified concentration under interference gas environment, methane is transported from first gas inlet to suction box, cylinder pushes first piston plate to extrude gas into first gas pipe and into detection box, multifunctional gas analyzer detects that methane concentration reaches (5000±50) ppm, whether gas alarm emits alarm signal is observed, then whether stop alarm after two minutes of emptying methane gas through exhaust port, to determine whether gas alarm is qualified.

A filtering and descaling device for boiler make-up water relates to the technical field of water treatment and comprises an upper shell and a lower shell, the upper shell is fixedly arranged on the upper portion of the lower shell, the interiors of the upper shell and the lower shell are communicated with each other, a water outlet is formed in the top of the upper shell, and a booster pump is arranged on the water outlet. An impeller seat, an impeller and a catalyst alloy descaling net are sequentially arranged in the upper shell from bottom to top, a water inlet is formed in the bottom of the lower shell, and a filter material for filtering impurities in water is arranged in the lower shell. According to the filtering and descaling device for the boiler make-up water, firstly, impurities such as iron in water are removed through the filtering material in the lower shell, and then scale is prevented from being generated through the catalyst alloy descaling net in the upper shell, so that the inner wall of a metal pipeline is prevented from being corroded.

The invention discloses a multi-stage composite activated carbon drinking water filtering device, and relates to the technical field of water purifying equipment, the multi-stage composite activated carbon drinking water filtering device comprises a water purifying kettle and a filtering main body, a partition plate is fixed in the water purifying kettle and divides the water purifying kettle into an upper part and a lower part, and a step groove is formed in the middle of the partition plate. In the using process, the water purifying kettle is divided into an upper part and a lower part by the partition plate, raw water enters from the water inlet of the upper raw water storage area and enters the coarse filter cylinder from outside to inside to be filtered for the first time, intercepted coarse particles can naturally settle in the bowl-shaped groove above the embedded block after the raw water flows out, and cleaning is convenient; the coarse filter cartridge and the fine filter cartridge are longitudinally communicated, so that raw water is led out from inside to outside by the fine filter cartridge again for secondary filtration, intercepted fine particles enter the collection cavity from the slag discharge port in the bottom of the conical surface of the fine filter cartridge to be cleaned conveniently, particles in a field water source can be fully filtered out through two times of filtration, and the water quality can be effectively improved.

The utility model relates to valve equipment technical field, the utility model discloses a quick release mechanism and ball valve sealing device, including connecting unit, the connecting unit includes the bearing assembly, sets up in the extrusion assembly of bearing assembly inside and rotates the adjusting ring of bearing assembly outside, the adjusting ring and extrusion assembly sliding fit, wherein, extrusion assembly is provided with at least 2.

The utility model discloses a screening and filtering equipment for zanthoxylum bungeanum, including the bottom plate, the bottom plate is connected with multiple groups spring telescopic link, multiple groups spring telescopic link is connected with the same box, be equipped with multiple groups filter screen in the box. The utility model discloses utilize air pump to transport airflow to bellows place constantly, and airflow can discharge at the air outlet of corresponding pipe group, and then can pass filter screen from down to up, can continuously impact screen, prevent broken pepper, pepper stem chaff and the wet zanthoxylum bungeanum with the adhesion of oily surface and have the adhesion and attach on fixed sieve hole, keep sieve hole unobstructed, and sieve hole does not jam, and zanthoxylum bungeanum can pass screen and carry out screening smoothly, avoid the screening stagnation of the jam, make the screening process continuous and efficient, improve the whole screening efficiency.

The invention belongs to the technical field of water conservancy projects, and particularly relates to a water conservancy project flood control device which comprises a mounting frame, a third vertical plate and a baffle, the third vertical plate is rotationally assembled on the mounting frame through a first circular shaft, and the baffle sleeves the third vertical plate and is assembled on the mounting frame in an up-down sliding mode. A second driving mechanism for driving one end of the baffle to horizontally enter and exit from the mounting frame and driving the first circular shaft to rotate is arranged between the baffle and the third vertical plate, the second driving mechanism comprises a driving plate, a third gear, a grooved wheel and a rack matched with the third gear, the driving plate and the third gear are coaxially and rotatably assembled on the second vertical plate, and the grooved wheel is fixedly assembled on the first circular shaft and is coaxial with the first circular shaft; a protruding block is arranged on the drive plate, a notch matched with the protruding block is formed in the grooved wheel, the rack is fixedly arranged on the baffle, the third gear rotates to drive the baffle to horizontally move in the transverse extending direction of the third vertical plate, and the drive plate rotates to drive the baffle and the third vertical plate to rotate by a preset angle. The technical problems that the baffle is inconvenient to install and not flexible to use can be solved.