955 results about "Helical blade" patented technology

The present application is suitable for pile foundation positioning technical field, provide a kind of pile foundation positioning device, including base, the mounting bracket is fixed on the base, the base is provided with avoiding hole, further include: guide sliding block, main shaft, helical blade, mounting plate, guide shaft, mounting block, drive assembly, reciprocating mechanism, second transmission assembly and disengaging mechanism.Reciprocating mechanism is driven mounting block to reciprocate up and down on guide shaft by the way of guide sliding block moves in guide chute, further make main shaft and helical blade reciprocate up and down while moving down, it is convenient to discharge the soil drilled by helical blade, improve the efficiency of pit positioning, when main shaft is contacted with rock, disengaging mechanism removes the transmission connection of main shaft and first motor and stops mounting block to reciprocate up and down on guide shaft, make mounting block move upwards along guide shaft, main shaft has no downward thrust at this time, to avoid the instant collision of helical blade and rock when main shaft is contacted with rock.

The utility model discloses a magnetic suction lining and double-medium energy-saving ore grinding system, which comprises an ore feeding port, an overflow type mill cylinder, a magnetic suction lining, double grinding media, a hollow shaft neck and a reverse spiral blade, the whole magnetic suction lining has magnetism and is tightly attached to the overflow type mill cylinder by means of magnetic force; double grinding media are arranged in the overflow type mill cylinder and are used for grinding minerals; a hollow shaft neck is arranged at one end part of the overflow type mill cylinder body and is used for discharging mineral products; an ore feeding opening is formed in the other end part of the overflow type mill cylinder body and is used for guiding a sand setting product of the hydraulic classification cyclone to enter the overflow type mill cylinder body; reverse spiral blades are arranged on the hollow shaft neck, and the rotating direction of the blades in the ore grinding operation is opposite to the rotating direction of the overflow type mill barrel. Through the multi-layer and multi-link fine design, the whole ore grinding process is more efficient and accurate, and the utilization rate and the production efficiency of mineral resources are greatly improved.

Eccentric screw pump with a rotor of a drive shaft circulating essentially about a fixed axis in relation to the stator in a bearing block, a power train and a screw conveyor, which revolves in a rotating-oscillating manner in a screw flight of the stator, wherein the power train provides the screw conveyor with its drive torque and the power train adjusts the differences of the motion sequences of the screw conveyor and of the drive shaft, wherein the power train consists essentially of a one-piece rotational body, which has multiple weakening recesses, which interrupt its outer circumferential jacket surface more than only insignificantly and which provide it with that reversible elasticity, which it requires in order to rotate about an axis of rotation, which curves in a periodically recurring manner at least in sections.

Disclosed are various embodiments of an auger-style treatment tank equipped with instrumentation. In one embodiment, an auger treatment tank includes an auger configured to rotate within treatment liquid in the auger treatment tank. The auger includes an auger shaft and at least one auger flight coupled to and helically disposed about the auger shaft. The auger treatment tank also includes one or more sensors configured to provide data directly or indirectly indicating a torque transmitted to the auger to effect rotation.

The invention discloses uniform-distribution movable concrete pipe production grouting equipment which comprises a conveying box, stirring rods are rotationally arranged on the front side and the rear side of an inner cavity of the conveying box through driving mechanisms correspondingly, spiral blades are fixedly connected to the surfaces of the stirring rods, and a plurality of stirring blades are fixedly connected to the surfaces of the stirring rods; a feeding port is formed in one end of the top of the conveying box, and the other end of the bottom of the conveying box vertically communicates with a discharging pipe. According to the movable concrete pipe production grouting equipment with the uniform material distribution function, through guiding communication of the transverse pipe, collected dust can be conveyed into an inner cavity of a dust removal cloth bag, then the dust is collected in a centralized mode, airflow is discharged through an exhaust window, the dust is collected, and the device is more environmentally friendly; and the body protection of workers around the device is improved.

The invention provides sewage disposal equipment of a sewage treatment system, and relates to the technical field of spiral conveying, the sewage disposal equipment comprises two supports, a sealed conveying cylinder, a driving device and a discharging hopper, the two supports are symmetrically installed at the two ends of the exterior of the sealed conveying cylinder respectively, and the discharging hopper is installed in one end of the sealed conveying cylinder in a communicating mode; a sewage inlet pipe is installed on the upper portion of the interior of the sealed conveying barrel in a communicating mode, a shaft rod is arranged in the sealed conveying barrel, a spiral blade is arranged outside the shaft rod, the driving device is arranged above one set of supports, and the spiral blade can be driven to rotate in the sealed conveying barrel through connection of the driving device. A discharging pipe is installed below the end, away from the discharging hopper, in the sealed conveying barrel in a communicating mode. According to the invention, the combination of source pretreatment and efficient conveying of fibers is realized, and the operation continuity, reliability and maintenance convenience of equipment during treatment of complex fiber sludge are remarkably improved.

The road maintenance pavement repairing device comprises a material storage pipe, the front end of the material storage pipe is detachably connected with a material injection nozzle in a sealed mode, the rear end of the material storage pipe is detachably connected with a connecting sleeve in a sealed mode, and a gear motor is fixedly installed on the outer wall of the connecting sleeve; an output shaft of the speed reduction motor penetrates into the material storage pipe and then is fixedly connected with a square rod, a rotating shaft is arranged in the material storage pipe, spiral blades are fixedly arranged on the peripheral wall of the rotating shaft, and the end, facing the speed reduction motor, of the rotating shaft is arranged on the square rod in a sleeving mode through a square hole; according to the device, through cooperation of a second positioning block and different second positioning grooves, the orientation of a handle can be adjusted relative to a material storage pipe, and the device is matched with two scenes of material supply of a material storage hopper and material supply of a material pumping hose; the auxiliary grip is detachably connected with the ring body through the quick release mechanism, the orientation can be adjusted through the matching of the locking mechanism and different clamping grooves, the use habits of a left-hand user and a right-hand user can be met at the same time, and the operation comfort and stability are improved.

The application provides a composite low-voltage power cable, and belongs to the technical field of cables.The composite low-voltage power cable comprises an outer shell and a copper strip.Five groups of isolation sleeves are fixed together by a connecting block to ensure stable connection between the isolation sleeves and the copper strip, prevent displacement under external pressure, ensure stability of the copper strip, avoid circuit failure, and support columns are arranged at the centers of the isolation sleeves to provide support force, maintain stability of the isolation sleeves, prevent deformation or loosening, improve stability of the cable under high pressure or bending, spiral blades are clamped in the isolation sleeves to promote air circulation, improve heat dissipation performance, reduce heat accumulation, and reduce the risk of cable failure, the spiral blades also help maintain the shape of the isolation sleeves, prevent deformation caused by external pressure, and the combination of the support columns, the spiral blades and the isolation sleeves improves mechanical stability of the cable, which can withstand greater external impact or tension and ensure stable operation of the cable under high load.

The invention relates to the technical field of petroleum and natural gas well cementation, in particular to a well cementation floating device with a turbulence function, and aims to solve the problem that cement is easy to settle at the bottom of a casing during horizontal well cementation operation by a wet shoe method. The device comprises a main body, a turbulence assembly and a valve assembly, two ends of the main body are through; the turbulence assembly and the valve assembly are arranged in the main body; the turbulence assembly is communicated with the valve assembly; the turbulence assembly comprises a turbulence pipe; the turbulent flow pipe is provided with a first port and a second port; the first port is arranged at the upper end of the turbulence pipe, and the second port is arranged at the lower end of the turbulence pipe; spiral blades are arranged in the turbulent flow pipe; the first port and the second port are communicated up and down to form a turbulent flow channel. According to the scheme, through cooperation of the turbulence assembly and the valve assembly, the flowing effect of the bottom can be enhanced, sediments such as cement at the bottom can be effectively scoured, and blockage is avoided; and meanwhile, the wet shoe channel can be replaced in the fracturing operation, and the construction efficiency is improved.

This utility model discloses a baking device for steelmaking plants, including a baking furnace body, a combustion nozzle assembly, and a slag collection trough. The baking furnace body has a feed inlet at the top and a discharge outlet at the bottom. The combustion nozzle assembly is vertically positioned above the interior of the baking furnace body. The slag collection trough is located below the baking furnace body, with an open top connecting to the discharge outlet. The bottom wall of the slag collection trough is inclined, and a spiral slag discharger rotates within it, with its axis parallel to the bottom wall. This utility model adjusts the height of the injection pipe and nozzle by extending and retracting the first cylinder of the combustion nozzle assembly, thus optimizing baking uniformity for materials of different thicknesses. After baking, the slag falls into the slag collection trough through the discharge outlet and slides along the inclined bottom wall towards the spiral slag discharger. The rotating spiral blades, with a variable pitch structure, push the slag towards the outlet, improving slag discharge efficiency.

The utility model relates to powder metallurgy technical field, and disclose a kind of anti-clogging feeder for powder metallurgy, including movable frame, the top of movable frame is fixedly installed with mounting bracket, the inboard of mounting bracket is fixedly installed with fixed barrel, the inside of fixed barrel is provided with stirring anti-blocking mechanism, the bottom of fixed barrel is provided with conveying and discharging mechanism, in the utility model: through stirring anti-blocking mechanism, effectively avoid the accumulation jamming caused by not in place, let powder keep good flow state, ensure that the discharging process is smooth, through conveying and discharging mechanism, utilize helical blade stem rotation, powder is conveyed to the vicinity of discharging pipe, drive rubber piston to push powder, not only increase the power of powder conveying, also can effectively prevent powder from being jammed at the connecting place of conveying pipe and discharging pipe, by pulling limit plug rod, change its limit degree to powder conveying, can accurately control the time length of powder from discharging port, thereby realize ration discharging, improve the utilization of powder.

The novel slope supporting net comprises an anchoring device and a flexible line, the anchoring device comprises a power rod and a positioning cylinder, the top end of the power rod is fixedly connected with a limiting plate, a connecting block is arranged above the limiting plate, a power hole penetrating through the connecting block is formed in the connecting block, and the flexible line is arranged in the power hole. A spiral blade is arranged below the power rod; a positioning cylinder is arranged below the limiting plate, the radius of the limiting plate is larger than that of the positioning cylinder, and the positioning cylinder is movably connected with the power rod. According to the utility model, the power rod can repeatedly drive the positioning cylinder to drill into the slope surface, so that the cost is saved; anchor rods can be additionally arranged in anchor rod holes in the hexagonal fixing plate according to the slope supporting condition, so that the supporting effect is enhanced; the anchoring devices are connected into a net-shaped structure through the flexible lines, the size of grids can be adjusted according to the size of gravel on the slope surface, the blocking effect on small rock soil blocks falling off from the slope is improved, and the flexible lines are high in plasticity and suitable for supporting the slope surfaces of various shapes.

The utility model relates to a river sludge rapid dehydration and collection device which comprises a rack, a dehydration box is installed above the rack, and the interior of the dehydration box is divided into a dehydration chamber and a collection chamber; a dewatering barrel is arranged in the dewatering chamber, a rotating shaft is rotationally connected in the dewatering barrel, a spiral blade is arranged on the outer side wall of the rotating shaft, one end of the rotating shaft penetrates through the dewatering barrel and the dewatering box and then is connected with a driving assembly on the rack, and the other end of the rotating shaft penetrates through the dewatering barrel, the vertical partition plate and the dewatering box and then is rotationally connected with a bearing on the rack; the driving assembly can drive the rotating shaft to rotate; a discharging opening for dehydrated sludge to pass through is formed in the middle of the vertical partition plate, a baffle for blocking the discharging opening is slidably connected to the side wall of the rotating shaft in the collecting chamber, and the baffle is driven by the telescopic assembly to move in the length direction of the rotating shaft. The device has the beneficial effects of high dehydration efficiency, integrated operation, stable structure, thorough sewage separation, flexible operation and the like, and can be widely applied to the field of river sludge treatment.

The utility model belongs to the field of sika deer breeding technology, concretely relates to a feeding trough for sika deer breeding, the feeding trough for sika deer breeding, including bottom plate, the upper surface of bottom plate is fixedly connected with first stand, the upper surface of first stand and the upper surface of bottom plate all are fixedly connected with first conical cylinder, the inner wall of first conical cylinder is fixedly connected with second stand. This feeding trough for sika deer breeding cooperates first conical cylinder, material baffle cylinder, round hole, cylinder and electric push rod, makes sika deer after feeding, by separating material baffle cylinder and first conical cylinder, surplus feed can slide to the bottom of first conical cylinder, simultaneously, when first drive motor drives helical blade rotation, by the cooperation of helical blade and material conveying pipe, surplus feed in first conical cylinder can be automatically returned to storage barrel, so as to realize the automatic recovery of surplus feed after sika deer feeding, and effectively reduce the labor intensity of breeding personnel.

The invention discloses an anti-scaling steam type scraper evaporator, and belongs to the technical field of evaporators. The anti-scaling steam type scraper evaporator comprises a shell, an evaporation assembly is installed in a connecting shaft and used for smearing feed liquid on the inner wall of the shell to form a thin film to flow downwards, and the evaporation assembly is matched with a steam inlet pipe to introduce steam for heating and evaporation; when a scraper is driven to rotate through a connecting shaft, a rotating frame and a filter screen can be driven to synchronously rotate, centrifugal force is generated to perform solid-liquid separation on feed liquid, evaporated liquid is discharged after entering a liquid collecting bin, and a small amount of liquid enters a pressure bin through steam to jack up a piston so as to be extruded into a sleeve. And then the particles are conveyed to the surface of the filter screen through the spiral blades and are mixed and diluted with the feed liquid in cooperation with centrifugal force, the feed liquid is prevented from blocking the filter screen and promoting evaporation of the feed liquid, when the piston descends, the particles on the surface of the rotating frame can be sucked into the liquid collecting bin through the dirt discharging groove and then discharged along with the liquid, and the particles are prevented from being gathered in the shell and scaling is avoided.

The invention discloses a municipal sewage treatment device, and relates to the technical field of sewage treatment, the municipal sewage treatment device comprises a treatment tank, and the treatment tank is internally provided with a hollow cylinder coaxially arranged with the treatment tank. By means of the driving assembly, the rotating rod and the sleeve rotate at different speeds in the same direction (the rotating speed of the rotating rod is smaller than that of the sleeve), sewage and a coagulant can be fully homogenized and mixed within a short time in cooperation with high-speed stirring of the first spiral blades with small screw pitches, floc formation is rapidly promoted, and the mixing reaction efficiency is greatly improved; by means of buffer space transition between the first spiral blade and the second spiral blade and the design that the screw pitch of the second spiral blade is gradually increased, the gradient change of the stirring speed from high to low is achieved, it is guaranteed that flocs are stably coagulated and increased, the flocs can be promoted to fully adsorb suspended particles in sewage, and the precipitation performance of the flocs is remarkably improved; all links are smoothly linked, so that the efficient coordination of impurity removal, floc formation and precipitation is realized.

The utility model relates to the technical field of foundation reinforcement in civil construction engineering, and discloses a building concrete mixing pile which comprises a grouting vehicle, the top of the grouting vehicle is fixedly connected with a power mechanism, the output end of the power mechanism is fixedly connected with a slurry conveying pipeline, the outer wall of the slurry conveying pipeline is fixedly connected with a mixing mechanism, and the mixing mechanism is fixedly connected with the grouting vehicle. A partition plate is fixedly connected to the inner wall of the grouting vehicle, a grouting mechanism is fixedly connected to the top of the partition plate, a controller is arranged outside the grouting vehicle, the stirring mechanism comprises a drill rod, the inner wall of the drill rod is fixedly connected to the outer wall of the slurry conveying pipeline, a first spiral blade is fixedly connected to the outer wall of the drill rod, and a second spiral blade is fixedly connected to the outer wall of the first spiral blade. And the bottom of the drill rod is detachably connected with a stirring head. According to the utility model, the construction quality and efficiency of the concrete mixing pile are ensured, the stable improvement of the foundation reinforcement effect is realized, meanwhile, the construction time and cost are reduced, and the device is suitable for wider geological conditions.

The utility model discloses a mixed device for calcium magnesium phosphate production, including box, the right side communication of box top has the feeding hopper, the bottom communication of box has the discharge valve pipe, the left and right sides of box surface all are fixedly connected with the cylinder. The utility model discloses through driving motor drives helical vane pole rotation, can realize the stirring of material in the box, and the cylinder drives the movable frame to move up and down, drives the movable ring and the up and down movement of the stirring piece, carries out secondary disturbance to material, and the mixing effect of material is enhanced from horizontal and vertical direction, and the annular scraper of movable ring outside moves up and down along with the movable ring, can scrape the material adhered in the inner wall of box, so as to reach in the mixed box inside setting the supplementary mixing structure that can move up and down, improve mixing effect, make the fertilizer mix evenly, scrape the inner wall of mixed box simultaneously, avoid the material adhesion in the device inner wall, the effect that the user uses conveniently.

The utility model discloses a prevent no -shaft spiral vane jumping device, the utility model relates to material conveying equipment technical field. Including: the shell assembly is rotated and is connected with spiral shaft assembly in the inner wall of shell assembly, the outer wall fixedly connected with gear box of spiral shaft assembly, the input of gear box is fixedly connected with speed -reducing motor, the inner wall fixed mounting of shell assembly has prevented vane jumping device, this device is through setting prevents vane jumping device, through the rolling contact of rotary drum and spiral shaft assembly, provides reverse restriction force when vane produces jumping tendency under external force, directly inhibits the jumping amplitude, and this kind of structure design can effectively respond to the radial jumping caused by uneven sludge viscosity, impurity impact etc, ensure that spiral vane runs stably, and the device reaches the purpose that prevents no -shaft spiral vane jumping device.

The invention discloses a pyrolysis device adopting reinforced shaftless spiral blades for conveying, and relates to a pyrolysis device adopting spiral conveying. The pyrolysis device is provided with a cylinder body, a spiral blade is arranged in the cylinder body, the front end of the cylinder body is connected with a driver, the front end of the cylinder body is provided with a feed port, the rear end of the cylinder body is provided with a discharge port, the cylinder body is provided with a negative pressure gas guide cylinder, the outer wall of the cylinder body is provided with a heating layer, and the spiral blade in the cylinder body is a reinforced shaftless spiral blade. The reinforcing rib is a through rib or a short rib or a combination of the through rib and the short rib. The pyrolysis device has the advantages that various types of materials can be conveyed, the material conveying capacity is high, and particularly, the high-temperature pyrolysis material conveying capacity is high; materials can be automatically stir-fried during working; scales on the spiral blade and the barrel or the inner wall of the pipeline are less; the service life is long; the intermittent use frequency is high. The pyrolysis device has popularization value.

The invention discloses a grinding device for tablet medicine detection, and relates to the technical field of medicine grinding. The grinding device comprises a motor mounting base, a high-speed driving motor arranged in the motor mounting base, a grinding machine tool apron and a grinding tool rotationally arranged on the grinding machine tool apron, and a rotating shaft of the grinding tool is in transmission connection with a driving shaft of the high-speed driving motor through a tool apron connecting wheel. A grinding cup cover is detachably arranged at the top of the grinding machine tool apron, a discharging port extending towards the outer side is formed in the top of the grinding cup cover, a spiral blade extending into the grinding cup cover is arranged in the discharging port, and a rotary knob used for driving the spiral blade to rotate is arranged on the outer side of the discharging port. One end of the knob away from the helical blade is provided with a socket for connecting a test tube. The medicine powder is discharged out of the grinding cup cover and transferred into the test tube on the premise that the grinding machine tool apron is not opened, the amount of atomized medicine powder entering air is reduced, and experimenters can conveniently transfer the medicine powder into the test tube.

The utility model provides a self-cleaning air cushion belt conveyor which comprises a pipeline shell, an upper-layer conveying belt and a high-pressure air chamber, the upper-layer conveying belt and the high-pressure air chamber are arranged in the pipeline shell, the high-pressure air chamber is located under the upper-layer conveying belt, and a plurality of main ventilation holes are formed in the upper surface of the high-pressure air chamber. The main ventilation holes are used for guiding compressed air in the high-pressure air chamber into the lower side of the upper-layer conveying belt and forming an air film to lift the upper-layer conveying belt. A spiral blade which rotates by taking the compressed air as a driving force is arranged in the main ventilation hole, and the spiral blade is used for cleaning sundries falling into the main ventilation hole, so that the main ventilation hole is kept in a smooth state. According to the self-cleaning air cushion belt conveyor, the main ventilation holes in the air cushion belt conveyor have the self-cleaning capacity, and the phenomenon that the main ventilation holes are blocked is effectively prevented.

The utility model relates to the technical field of alloy steel smelting, in particular to an alloy steel casting impurity removal smelting device which comprises a smelting furnace. The device further comprises a first motor and a shifting assembly. A supporting frame is arranged on one side of the smelting furnace. A crushing box is arranged at the upper end of the supporting frame. According to the device, crushed metal falls on a conveying belt, the conveying belt drives the crushed metal to move, when the metal moves to a magnetic roller, the magnetic roller attracts the metal to move, nonmetal falls into a nonmetal collecting box due to the fact that the metal is not affected by the magnetic roller, and when the metal is separated from the range of the magnetic roller, the metal falls into a metal guide box; the alloy steel enters the conveying cylinder through the metal guide box, the second motor is started, the second motor drives the spiral blade to rotate, the spiral blade drives the metal to ascend to the discharging pipe, and the metal enters the smelting furnace through the discharging pipe to be smelted, so that the purity and quality of the alloy steel are improved, and high-quality raw materials are provided for subsequent machining procedures such as casting and forging.

The present application relates to the field of sewerage device, specifically relates to a kind of sewerage device based on landscape park ecological cycle, including driving shaft, driven shaft, belt pulley device, arc plate, helical blade structure and main rainwater storage energy storage device, the main rainwater storage energy storage device is released by collecting rainwater and water body, the potential energy impact force it brings pushes arc plate and rotates along its rotation direction, the power transmission of belt pulley device makes driven shaft drive helical blade structure rotation, so that the garbage and leaves in the corresponding area of sewer are discharged along with helical blade structure rotation;This application can effectively clean up the garbage and leaves of sewer, also can effectively promote the flow of water body, avoid the phenomenon that garbage and leaves become putrefactive caused by blockage, so as to avoid producing smell and water pollution, so as to effectively promote the ecological cycle in landscape park.

The utility model relates to the technical field of rotational molding box raw material mixing, and discloses a rotational molding box raw material mixing device which comprises a mixing bin and an upper cover, the bottom wall of the mixing bin is a conical surface, the upper cover is arranged at an opening in the upper portion of the mixing bin, and a rapid mixing assembly is arranged on the upper cover. The rapid mixing assembly is used for evenly mixing raw materials used before production of the rotational molding box, by reversely starting the motor, an output shaft of the motor can drive the spiral blade to reversely rotate through a series of mechanisms, and when the spiral blade rotates, acting force close to a discharging valve is applied to plastic powder in the mixing bin; the plastic powder can be effectively discharged from the mixing bin, and the problem that in a traditional mode, after being mixed, the plastic powder is fine in particles, has certain viscosity, can be attached into the mixing bin and is not prone to being completely leaked out, so that discharging of the mixed plastic powder is not smooth, and follow-up machining of a rotational molding box is affected is solved.

The present application relates to rotary furnace kiln technical field, and disclose a kind of automatic discharge device of rotary furnace kiln with self-cooling function, including cooling conveyor, cooling cylinder, combustion cylinder, kiln body and kiln foot connected in sequence, cooling conveyor is connected with water storage tank.Cooling conveyor inside outer spiral shaft is equipped with water pipe, water pipe, spiral blade is equipped with backflow port, and with water storage tank constitutes circulating cooling system;Kiln body is driven to rotate by large gear ring, pinion, speed reducer and motor, and is linked cooling cylinder and outer spiral shaft by sleeve joint tooth bar.Working, material is entered kiln body from kiln foot feed inlet, heated after combustion cylinder, in cooling cylinder and cooling conveyor by spiral blade push and unload, while cooling water is circulated in spiral shaft and absorbs heat, realize unloading and self-cooling synchronous operation.The device solves the problem of traditional unloading device without self-cooling, low efficiency, with compact structure, cooling efficient, high degree of automation, energy utilization rate and other advantages.

The utility model belongs to weighing equipment field especially relates to a multistage feeding automatic ration packing scale. The utility model provides a multistage feeding automatic ration packing scale, include: base, wherein the middle part is equipped with electronic scale, one side of base is fixed with vertical board, multistage feeding mechanism is located vertical board, is used for multistage ration feeding packing, multistage feeding mechanism includes: the top opening of storage box is detachably connected with the box cover through the fixed bolt, the inner chamber bottom end of storage box is equally spaced and is opened to have three discharge gates, and the bottom of three discharge gates is fixed with the material guiding pipe respectively, and the main material pipe is communicated between three material guiding pipes, and through setting three helical blades of different pitches cooperation multistage feeding mechanism, can realize the grading of different rates of feed, can satisfy the demand of fast filling, and can guarantee accurate measurement, solve the problem that fixed pitch helical shaft is difficult to balance efficiency and accuracy.

The invention discloses a rotational flow energy dissipation device of a conical valve, and belongs to the technical field of conical valve energy dissipation. The rotational flow energy dissipation device of the conical valve comprises a fixed cylinder, a movable cylinder is arranged on the outer side of the fixed cylinder, the fixed cylinder and the movable cylinder are connected through an adjusting assembly, and a fixed assembly is arranged in the fixed cylinder; the fixing assembly comprises a conical barrel, a first connecting plate, a fixing rod, a first spiral piece and a limiting ring, a turbulent flow assembly is rotationally arranged on the outer side of the fixing rod, an inner barrel is arranged in the fixing barrel, a spiral side wall is spirally arranged in the middle of the inner barrel, and a first energy dissipation assembly and a second energy dissipation assembly are arranged on the inner side of the fixing barrel. A second spiral piece located between the first energy dissipation assembly and the second energy dissipation assembly is spirally arranged in the fixed cylinder, an air inlet assembly is arranged on the fixed cylinder, and the energy dissipation device has the advantages of multiple efficient energy dissipation, stable drainage, automatic and flexible air supply, reliable structure, simplicity, convenience and practicability.

This invention provides a rapid granulated fertilizer forming device, belonging to the field of granulated fertilizer production. It includes a hollow column, with a forming mechanism for rapid fertilizer forming on the outside of the hollow column. A stabilizing component to enhance the stability of the hollow column is located at its bottom. Through the forming mechanism, raw materials with a moisture content of 20%–30% are fed into the hollow column through a feeding cylinder. The material is conveyed by spiral blades, ensuring uniform and continuous material transport. The cutting speed of the cutting blade can be flexibly adjusted via a frequency converter to meet the production needs of granulated fertilizers of different specifications, improving the applicability and production efficiency of the equipment. The formed granulated fertilizer quality is relatively stable. The stabilizing component ensures the stability of the device during operation, reducing the risk of accidental movement.

This utility model relates to the field of vacuum pump technology, and in particular to a deflection-controllable crushing assembly and its vacuum pump, including a rotating shaft, helical blades, and a moving blade. The rotating blades are provided with shaft holes that match the rotating shaft, and one end of the rotating shaft is disposed in the shaft hole. The rotating blades include a hub section and an extension section disposed at one end of the hub section. Blades are disposed on the outer circumferential surface of the hub section, and one end of the hub section abuts against the rotating shaft. A first radial limiting mechanism is provided between the hub section and the rotating shaft. The extension section extends axially along the rotating blades and protrudes from one end of the rotating shaft. In use, an extension section is provided axially at one end of the hub section, and the extension section protrudes from the rotating shaft. The moving blade is directly disposed on the extension section, and at the same time, the moving blade is fixed to the rotating shaft. This ensures that the deflection deformation of the entire crushing assembly is reduced when the crushing assembly rotates at high speed, thus avoiding the phenomenon of radial runout under high-speed rotation.