4379 results about "Spiral blade" patented technology

The invention discloses a drill rod for construction of an integrated stirring forming type cemented soil stiff anchor rod, the drill rod comprises a drill bit part and a hollow drill rod, the drill bit part comprises a shell, an anchor disc fixed in the shell and a spiral blade welded on the shell, and the hollow drill rod is inserted into the shell; the sheath steel pipe is inserted into the hollow drill rod and fixed to the shell, the grouting pipe is inserted into the sheath steel pipe, one end of the rod body is fixed to the anchor disc, and the other end of the rod body extends out of the sheath steel pipe. A first grouting hole is formed in the shell, and a second grouting hole is formed in the sheath steel pipe. The invention further discloses a construction method of the integrated stirring forming type cemented soil stiff anchor rod. When the method is used, the processes of hole forming, anchoring, grouting and the like are integrally formed, the process is simple, the speed is high, and the quality is easy to control; the formed cement-soil pile body is uniform in internal structure and reliable in strength; tension of the anchor rod is uniformly distributed, so that stress concentration can be reduced; and the formed cement soil pile body is high in end strength and good in safety.

The invention relates to the field of mixing equipment, in particular to waste mineral oil blending and preheating equipment which comprises a blending tank and a stirrer arranged in the blending tank, the stirrer comprises a rotating shaft and stirring blades, a fixed cylinder is arranged in the blending tank, the rotating shaft is hollow and rotatably arranged outside the fixed cylinder in a sleeving mode, and the stirring blades are arranged on the rotating shaft. A spiral blade is arranged in the fixed cylinder and is fixedly connected with the rotating shaft; a circulating hole is formed in the fixed cylinder, the circulating hole is located below the rotating shaft, the stirring blades are rotationally connected to the rotating shaft, and the rotating axis of the stirring blades is perpendicular to the rotating axis of the rotating shaft. The application has the effect of expanding the application range of the blending and preheating equipment.

The invention provides treatment equipment for preparing cable material particles by recycling waste plastic, and relates to the technical field of waste plastic recycling. A tearing box is mounted at the upper end of the recovery treatment box body, and the upper end of the tearing box is of a flaring structure convenient for waste plastics to enter; a smashing box is fixedly arranged at the butt joint position of the inner cavity of the recycling treatment box and the lower end of the tearing box. The equipment adopts a two-stage crushing structure of a tearing box (including a tearing roller) and a crushing box (including a crushing cutter), and through a stage treatment mode of preliminary tearing and spiral crushing, the energy consumption pressure for directly crushing large plastic blocks is remarkably reduced. The tearing roller pre-crushes the materials, so that the load of the crushing cutter is reduced, the spiral blade group of the crushing cutter synchronously pushes the materials to the middle part in the cutting process, and a cyclic crushing path is formed in combination with a dynamic screening mechanism of the screen, so that the crushing uniformity is ensured, and the energy waste caused by repeated treatment is avoided.

The physical separation and recovery device comprises a pulverizer, a pulverizing roller is rotationally connected into the pulverizer, a sieve plate is fixedly connected to the position, located below the pulverizing roller, in the pulverizer, and a sorting box is fixedly connected to one side of the pulverizer; a grounding roller in transmission connection with the smashing roller is fixedly connected into the sorting box and used for compensating and stabilizing an electric field, a high-voltage electrode is fixedly connected to one side of the grounding roller and used for generating a high-voltage electrostatic field, and the device is provided with a feeding mechanism which comprises a feeding box, a feeding frame, an air cylinder and other components. Materials can be automatically fed into the crusher for crushing treatment, so that the working efficiency is improved; the partition plate which is fixedly connected with the top of the feeding frame and is of an inverted L-shaped structure is used for blocking materials and can also form an impact area to primarily separate large materials and prevent the large materials from being clamped and suspended in the pulverizer; according to the device, uniform material distribution and vibration discharging of materials are achieved through the spiral blade, the rotary material distribution pipe, the cam and other components.

The invention provides a flexible middle supporting structure of a vertical screw conveyor, which solves the problems of blanking buffering and the like of the screw conveyor, and comprises a conveying cylinder, the inner side of the conveying cylinder is movably connected with a connecting shaft through a screw blade, and a driving assembly and a flux adjusting assembly are arranged between the conveying cylinder and the screw blade. A flexible buffering assembly is arranged between the connecting shaft and the spiral blade. The device has the advantages of good structural stability, low failure rate and the like.

The invention provides a lossless helical blade wear real-time monitoring system and detection method, and relates to the technical field of helical blade wear detection, and the lossless helical blade wear real-time monitoring system comprises at least one group of sensing assemblies and a processing terminal. Each sensing assembly comprises at least one sensing unit and is arranged on a barrel of the spiral conveyor, and each sensing unit is suitable for obtaining the magnetic induction intensity change in the process that a spiral blade is abraded in a detection range or rotates towards and away from the sensing unit and outputting a detection signal; the processing terminal is in communication connection with the sensing unit and is suitable for obtaining a detection curve representing the change of the relative position of the spiral blade and the sensing unit according to the detection signal and comparing the detection curve with a preset calibration data set so as to determine the abrasion loss of the spiral blade in the detection range according to the matching degree of the detection curve and the calibration data set.

The utility model provides an efficient drill bit for a mine drilling machine, which belongs to the technical field of drill bits and comprises a drill rod and a drill bit body arranged on the drill rod, a flange ring is mounted on the outer wall of one end of the drill rod, and a fixing seat is arranged at one end of the drill rod. According to the utility model, the crushing teeth arranged on the drill bit body are matched with the buffer springs, so that the positions of the crushing teeth can be effectively and automatically adjusted according to the hardness of external rocks and the drilling pressure, thereby reducing greater abrasion of the crushing teeth caused by hard rocks or abnormal loads, prolonging the service life of the drill bit, and improving the drilling efficiency at the same time; the spiral blade arranged outside the drill rod close to one end of the mounting seat continuously lifts the waste drilling fluid between the drill rod and the well wall in the process of synchronously rotating along with the drill rod, so that rock debris can be quickly and effectively removed from a drill hole, and the rock debris is prevented from being accumulated at the bottom of a drill bit to reduce the rock breaking efficiency; meanwhile, friction between the drill bit and rock is reduced, abrasion of the drill bit is reduced, and the drilling effect of the drill bit is improved.

The invention relates to the technical field of blow-off gas recovery, and particularly discloses a natural gas well blow-off gas recovery device and a recovery technology.The natural gas well blow-off gas recovery device comprises a sand removing mechanism, sand-containing natural gas can form vortex after entering the sand removing mechanism, a sand discharging opening is formed in the bottom of the sand removing mechanism, and the natural gas well blow-off gas recovery device further comprises a guiding mechanism which comprises a guiding piece and a driving piece; the guide part comprises a hollow rotating shaft and a spiral blade, the hollow rotating shaft is rotationally connected into the sand removing mechanism, the spiral blade is connected into the hollow rotating shaft, a flowing channel for guiding a vortex track can be formed between the spiral blade and the sand removing mechanism, and the driving part is installed in the sand removing mechanism and connected with the hollow rotating shaft; the driving piece can drive the hollow rotating shaft to rotate to drive the spiral blade to rotate, so that the track of the vortex is changed; according to the natural gas well blow-off gas recovery device and process, the flowing track of the vortex can be continuously changed, and a low-speed vortex area is prevented from being formed in the sand discharging opening.

The utility model discloses a melt blending extrusion device which comprises a mixing tank and an extrusion assembly, and the extrusion assembly is arranged below the mixing tank; a stirring shaft is arranged in the mixing tank, the first stirring spiral blade is arranged on the stirring shaft, a plurality of rotating shafts are movably connected with the lower part of the stirring shaft in the mixing tank at equal angles, and second stirring spiral blades are arranged on the rotating shafts. In conclusion, the material mixing device overcomes the defects in the prior art, is reasonable in design, can push materials in the middle of the material mixing tank downwards and diffuse the materials outwards, avoids precipitation or layering of the materials in the mixing process, improves the mixing effect, and has high social use value and application prospects.

The utility model discloses a screw conveyor screw shaft blade wear detection device, and solves the problems of high difficulty and low precision of screw shaft blade wear detection in the prior art. The utility model relates to a screw conveyor screw shaft blade wear detection device, which comprises a fixed seat arranged on a screw conveyor cylinder in a sealing manner, a telescopic driving piece with a stroke sensor is arranged on the fixed seat, and one end of the telescopic driving piece extending into the screw conveyor cylinder is connected with a detection plate corresponding to a screw blade. The detection plate is provided with an abrasion detection piece for measuring the abrasion loss of the detection plate; according to the device, the oil cylinder, the displacement sensor and the like are adopted, and the function of rapidly measuring the abrasion loss of the spiral shaft can be achieved through the displacement generated when the oil cylinder pushes the lower detection plate in a closed environment. The wear detection device provided by the utility model solves the problems of difficulty in wear detection, high detection cost, untimely detection, low detection precision and the like of the screw shaft of the screw conveyer on site, and realizes the purposes of convenience, rapidness and high accuracy in wear detection of the screw shaft.

The application discloses an EVA adhesive film speed-increasing casting machine, which comprises a rack, and the rotating axis center lines of a cooling steel roller one and a cooling steel roller two on the rack are located on a horizontal plane, the rotating axis center lines of a cooling steel roller three and a cooling rubber roller are located on an inclined plane, the inclination angle of the inclined plane is 40-50 degrees, the steel roller inner cylinder and the steel roller outer cylinder of the cooling steel roller one, the cooling steel roller two and the cooling steel roller three are spaced and sleeved to form a steel roller cooling water cavity, the steel roller inner cylinder spiral blade and the steel roller outer cylinder spiral blade are alternately arranged in the steel roller cooling water cavity, the rubber roller inner cylinder and the rubber roller outer cylinder of the cooling rubber roller are spaced and sleeved to form a rubber roller cooling water cavity, the rubber roller inner cylinder spiral blade and the rubber roller outer cylinder spiral blade are arranged in the rubber roller cooling water cavity, and the rubber roller outer cylinder outer wall is coated with a rubber roller rubber coating layer. The film casting machine can effectively control the thickness uniformity of the extruded film and the definition of the film surface embossing, and effectively improve the operation efficiency of the casting machine.

The invention relates to the technical field of puffed popcorn processing equipment, in particular to puffed popcorn softening prevention equipment which comprises a mounting frame, a drying mechanism is connected into the mounting frame, the drying mechanism is connected with a feeding hopper through a feeding pipe, and a receiving trolley is arranged on one side of the drying mechanism. Segmented drying can be achieved through the first drying cylinder and the second drying cylinder, the spiral conveying assemblies in the different drying cylinders can evenly push corn flowers, it is ensured that materials can make full contact with hot air in each drying section, and therefore moisture is effectively removed, the puffed corn flowers are prevented from being softened, a large number of materials can be efficiently treated within a short time, and the drying efficiency is improved. And the production efficiency is improved. Meanwhile, the spiral conveying assembly enables the materials to continuously flow in the drying process, the material accumulation or stagnation phenomenon is avoided, the continuity of a production line is guaranteed, the materials are forcibly turned over through the spiral blades, the upper layer and the lower layer are evenly heated, and the problem that the upper portion is dry and the lower portion is wet through a traditional conveying belt is solved.

The invention discloses an embedding device for a pore pressure sensor, and relates to the technical field of pore pressure sensor embedding, the embedding device comprises a drill hole cleaning mechanism and a first mounting ring mounted at the bottom of the drill hole cleaning mechanism, a cleaning mounting mechanism is arranged on the outer side of the drill hole cleaning mechanism, and a lifting support is arranged at the top of the cleaning mounting mechanism; the drilling cleaning mechanism comprises a fixing ring, first rotating supports are symmetrically installed on one side of the top of the fixing ring, first rotating motors are fixedly installed on the outer sides of the first rotating supports, and the output ends of the first rotating motors are fixedly connected with first rotating worms. A conveying motor is started to drive a conveying rotating rod and a conveying spiral blade to rotate, soil and stone generated by drilling are conveyed into a collecting box by utilizing the structural characteristics of the conveying spiral blade, a cleaning scraper is driven by a drilling conveying cylinder to rotate, and the conveyed soil and stone can be collected and discharged through a blow-down valve.

The invention discloses a crushing and conveying device for coal gangue filling, and particularly relates to the field of ore conveying, the crushing and conveying device comprises two conveying belts which are the first conveying belt and the second conveying belt respectively, and an auger mechanism used for collecting materials, the second conveying belt is located on the first conveying belt in a sliding assembly mode, and the auger mechanism is located on the second conveying belt in a sliding assembly mode. The auger mechanism is located on the second conveying belt through the assembling base, rotates in multiple directions and can synchronously move on the first conveying belt along with the second conveying belt, the auger mechanism comprises a material receiving bin and spiral blades located in the material receiving bin and installed in the length direction, the material receiving bin rotates around the assembling base in multiple directions to receive materials, and through the two sets of conveying belts, the spiral blades can rotate in multiple directions; the second conveying belt is assembled on the first conveying belt in a sliding mode, the second conveying belt is controlled by the driving unit to move up and down along the first conveying belt, and meanwhile, the auger mechanism rotationally assembled at the end of the second conveying belt is matched, so that the blanking point of the first conveying belt is fixed, the receiving end completes fan-shaped receiving, and even distribution and accurate blanking of gangues are achieved. And the problem of sedimentation caused by non-uniform accumulation is avoided.

The present invention discloses a sludge shaftless screw conveyor for treating and recycling ceramsite from sludge, which relates to the technical field of sludge treatment. It includes a housing and a scraping assembly. One side of the housing is fixed with a motor, and the output shaft of the motor is connected with a screw blade. The scraping assembly is arranged outside one end of the screw blade. When it is necessary to clean the shaftless screw blade in the present invention, only need to start the motor to make the screw blade rotate. At this time, since the first scraper and the second scraper are respectively attached to both sides of the screw blade, the surface of the screw blade can be scraped and cleaned. Moreover, the connecting column can also block the gap formed between the first scraper and the second scraper to prevent residues from passing through. At the same time, the height of the top plate is positioned by using the sliding seat, the sliding rail, the connecting plate and the adjusting assembly, so as to avoid the vertical sliding of the first scraper. Therefore, when the screw blade rotates, it will also push the first scraper to move, so as to comprehensively clean the outside of the screw blade.

The invention provides a double-blade breeze generator which comprises a machine frame, an inner impeller and an outer impeller, the inner impeller and the outer impeller are arranged on the machine frame, and the inner impeller comprises a rotating shaft and a plurality of inner spiral blades arranged on the rotating shaft. The outer impeller comprises two shaft sleeves, a plurality of outer spiral blades connected between the two shaft sleeves and air ducts arranged on the outer diameters of the outer spiral blades, and the inner spiral blades and the outer spiral blades are in positive and negative spiral shapes; the inner impeller and the outer impeller are of a coaxial sleeving structure, namely, a containing cavity is formed in the center of the outer spiral blade, the two ends of a rotating shaft of the inner impeller are inserted into the two shaft sleeves respectively, and the inner spiral blade is located in the containing cavity. The rotating outer diameter of the inner spiral blade is smaller than the rotating inner diameter of the outer spiral blade. According to the double-blade breeze generator of the structure, through interaction of the inner impeller and the outer impeller, the rotating speed of the inner impeller is increased in a geometric level, and therefore the power generation efficiency is greatly improved.

The invention discloses a method for analyzing the uplift bearing capacity of a PHC spiral pipe pile based on numerical simulation. The method comprises the following steps: vertically screwing a pile body into a designed elevation by adopting intelligent rotary excavating equipment provided with a special drill bit, and monitoring the press-in speed, the rotating speed, the torque and the perpendicularity in real time; recording a press-in resistance-depth curve, a torque-depth curve and pile body perpendicularity data; establishing a three-dimensional refined numerical model containing a real spiral blade, and calibrating soil key parameters through a parameter inversion algorithm to obtain a calibrated numerical model; an anti-pulling load is simulated on the calibrated numerical model, and the ultimate anti-pulling bearing capacity and the failure mode are analyzed; based on a multi-working-condition simulation result, a practical calculation formula of the ultimate uplift bearing capacity is obtained through regression analysis; and model inversion is driven through construction data, refined numerical simulation is combined, the uplift bearing capacity prediction precision is improved, and a reliable basis is provided for the uplift design of the PHC spiral pipe pile.

The invention belongs to the technical field of mining coal-water solid-liquid separation, and particularly discloses a multi-section extrusion progressive auger for a mining coal-water separator and the mining coal-water separator, the multi-section extrusion progressive auger comprises an auger shaft, a spiral conveying section and a spiral cutting extrusion section; the spiral conveying section consists of continuous auger blades fixed at the rear end of the auger shaft; each spiral cutting and extruding section is composed of two spiral blades fixed to the two side walls of the auger shaft, the spiral direction of the two spiral blades is the same as that of the auger blade, and the two spiral blades form an X shape in space. Compared with the prior art, the device is simple in structure and convenient to manufacture, coal water firstly enters the auger blade and is conveyed into the spiral cutting and extruding section at the front end, and water in the coal water can be better extruded out through multi-section progressive extrusion; and in the spiral extrusion process, the cutting edge can cut the spirally extruded coal slime residues, so that the large coal slime residues are cut up, and the coal-water separation effect is improved.

The invention discloses a soil microbial fermentation device and a fermentation method, and relates to the field of microbial fermentation. A soil microorganism fermentation device comprises a fermentation tank and further comprises a cover plate detachably connected to the upper end of the fermentation tank; the material conveying barrel is positioned in the fermentation tank and is rotationally connected to the cover plate; the rotating sleeve is connected to the material conveying barrel in a sleeving mode, and a shifting rod is fixedly connected to the rotating sleeve; the motor drives the bevel gear for transmission, the linkage conveying barrel and the rotating shaft to rotate, and the electric telescopic rod is matched to drive the rotating sleeve to reciprocate, so that the three-dimensional stirring of the driving lever and the circulating conveying of the spiral blade are realized, a multi-dimensional stirring mode is formed, the material mixing uniformity is improved, the full contact of microorganisms and nutrient substances is promoted, and the fermentation efficiency and quality are improved; the elastic deflector rod and the counterweight ball can adaptively adjust the stirring range along with the rotating speed, eliminate stirring dead angles, accelerate the fermentation process, shorten the period, reduce the cost, and further optimize the fermentation effect and the product quality.

The utility model relates to a coal gangue recycling treatment device, and belongs to the technical field of mixing and stirring equipment. Feeding devices are fixedly arranged at the four corners of the upper portion of the stirring barrel, a left net rack with side hooks is movably hung below the feeding devices and above the stirring barrel, a right net rack is movably arranged on one side of the left net rack through a positioning hinge, and a lifting handle is fixedly arranged on the right net rack; the lower part of the side hook is movably contacted with an inductive switch; the inductive switch is fixed on the outer side surface of the mixing drum; coal gangue powder fed from the feeding device is filtered by the left net rack and the right net rack and then falls into the stirring barrel, the motor with the speed reducer drives the main shaft and the spiral blade to conduct mixing and stirring, and the right end of the bottom of the stirring barrel is provided with the discharging port and the discharging device so that the flow can be controlled. Four groups of moving wheels are fixedly arranged at the bottom of the support frame, so that the device is convenient to transport and move; the control switch is connected with the motor, the gear motor and the inductive switch through power lines, unified control is achieved, and operation is safe.

The invention discloses an auxiliary material mixing and feeding device and a hamburger production line, and relates to the technical field of food processing equipment. Wherein the cylinder body comprises an upper-layer cylinder part and a lower-layer cylinder part; the stirring and feeding mechanism comprises a stirring and feeding shaft, an inner spiral blade, an outer spiral blade and a discharging head, a discharging opening is formed in the bottom of the discharging head, a feeding channel is formed in the stirring and feeding shaft, and materials in the lower-layer cylinder part enter the discharging head through the feeding channel. Through stirring of the inner spiral blade and the outer spiral blade, sauce and crushed lettuce are fully mixed, so that the sauce uniformly wraps the crushed lettuce, the adhesive force of the crushed lettuce is improved, and scattering of the crushed lettuce in the adding process is avoided; through rotation of the discharging head, the mixed auxiliary materials can be uniformly spread on the hamburger blanks; when the piston ascends, negative pressure is formed in the discharging head, auxiliary materials remaining at the discharging opening can be sucked back, and the auxiliary material dripping probability is reduced.

The invention relates to a spunlace non-woven fabric dehumidification device, a control method and system thereof and a storage medium, and relates to the technical field of spunlace non-woven fabric dehumidification. The method comprises the steps that in response to a starting signal of a spunlace system, a centrifugal fan is controlled to work at preset power; a water vapor inlet pipe is controlled to be opened at an inlet through which water vapor enters, under the negative pressure effect of a centrifugal fan, the water vapor is introduced into a water vapor separation barrel for separation operation, primarily-separated water vapor and adsorbed water are obtained, and the relative difference value between the water vapor concentration in the primarily-separated water vapor and a preset upper limit concentration threshold value is obtained; the rotation direction and the rotation speed of the spiral blade are determined according to the relative difference value, and the rotation direction comprises clockwise rotation and anticlockwise rotation; and controlling the spiral blade to rotate according to the rotating speed and the rotating direction. The water vapor recovery device has the effect that the damage probability of the centrifugal fan is reduced while water vapor is recovered.

The invention discloses a centrifugal machine for chemical sludge dewatering. The centrifugal machine comprises a base, a shell, a rotary drum and a pushing device. The pushing device comprises a central shaft and a scraper device; a feeding hole is formed in the central shaft; a first dispersing hole is formed in one end of the central shaft; the central shaft and the rotary drum perform differential rotation in the same direction; the scraper device comprises a scraper sleeve; a scraper unit is arranged on the peripheral wall of the scraper sleeve; the scraper units are arranged along a spiral line; a spiral blade is movably arranged between every two adjacent scraper units; the scraper unit comprises a first sliding block, a second sliding block and a scraper plate; the first sliding block is slidably arranged on the scraper sleeve in the radial direction, the second sliding block is movably arranged in the first sliding block, and a spring is connected between the second sliding block and the scraper sleeve. A torsional spring is connected between the scraper blade and the first sliding block. The other end of the spiral blade is connected with the second sliding block of the adjacent scraper unit; dynamic adaptation to changes of different sludge viscosities is achieved, the effect of removing sludge on the inner wall of the rotary drum is improved, and it is guaranteed that the rotary drum keeps high permeability and high dehydration efficiency for a long time.

The invention relates to the technical field of screw conveyors, in particular to an end shaft hole dynamic sealing structure of a chemical single-pipe screw conveyor. Comprising a conveying shaft rotationally connected to a rack; the flange is connected with the end cover, a through hole is formed in the middle shaft, the conveying shaft is in clearance fit with the through hole, the inner side face of the flange is coaxially connected with an end cover leakage-proof ring, and the end cover leakage-proof ring is in clearance fit with the conveying shaft. The annular limiting seat is coaxially connected to the outer side of the flange connecting end cover; the packing body is arranged between the annular limiting seat and the conveying shaft; the inner wall of the packing pressing ring is in clearance fit with the conveying shaft, the packing pressing ring comprises a flange connecting part and a pressing part, the flange connecting part is adjustably connected to the annular limiting seat through a connecting piece, and the pressing part abuts against the outer end of the packing body. According to the end shaft hole dynamic sealing structure of the spiral conveyor, the acting force of the spiral blade for pushing materials can be eliminated, the materials are prevented from being extruded into a gap between the packing and the spiral shaft, and the sealing performance is good.

The invention belongs to the technical field of environmental protection, and particularly relates to a coal mine dust removal device which comprises an air inlet pipe, the air inlet pipe is transversely arranged and comprises a main body part, an air inlet part and a flow slowing part, the air inlet part and the flow slowing part are arranged at the two ends of the main body part respectively, and the flow slowing part is larger than the main body part in size; the spiral blade is eccentrically arranged in the main body part in the axial direction, the bottom of the spiral blade is in clearance fit with the bottom of the main body part, the spiral blade is driven by a power mechanism to rotate, and the conveying direction of the spiral blade is consistent with the airflow direction in the main body part; the connecting pipe is close to the flow slowing part, is arranged above the main body part and is perpendicular to the main body part, and a filtering mechanism is transversely arranged in the connecting pipe; the air outlet pipe is connected to one end of the connecting pipe, and an induced draft fan is arranged in the air outlet pipe; and the dust collection bin is arranged below the slow flow part in a communicating manner. The spiral blade is eccentrically arranged, the airflow direction can be changed through the spiral blade, and the problem of blockage caused by accumulation of solid particles in the air inlet pipe can be solved.

The present invention relates to the technical field of water conservancy projects, and discloses an efficient silt removal device for water conservancy projects, including: a hand cylinder and a parts protective shell. Both sides of the parts protective shell are fixedly connected with side plates. One side of the side plate away from the parts protective shell is fixedly connected with a diversion shell. The outer wall of the parts protective shell is fixedly connected with a mud scraping shovel. One side of the parts protective shell away from the mud scraping shovel is fixedly connected with a confluence bin. This efficient silt removal device for water conservancy projects can provide power through the first motor, drive the centrifugal fan to rotate inside the diversion shell by the transmission of the driving bevel gear and the driven bevel gear, suck the external silt into the diversion shell and push it to the confluence bin by the rotation of the main centrifugal fan blades, and push out the silt by the spiral blades, which is convenient for silt removal in relatively remote locations or hydraulic structures with relatively narrow construction environments. It has a relatively small volume, is convenient for transportation, has relatively high convenience, and improves the silt removal efficiency.

The invention relates to the field of grain storage mechanical equipment, in particular to a folding wing spiral cleaning machine which comprises a grain scraping machine and a walking chassis, the grain scraping machine is arranged on the walking chassis, the folding wing spiral cleaning machine further comprises a folding wing assembly, and the folding wing assembly is rotationally connected to the side face of the grain scraping machine and used for conveying materials to a feeding port of the grain scraping machine; the folding wing assembly and the grain scraper form a first use state and a second use state, and in the first use state, the folding wing assembly is perpendicular to the walking direction of the bin cleaning machine; in the second use state, the folding wing assembly is parallel to the walking direction of the clearance machine; in the idle state, the shell of the folding wing assembly is attached to the walking chassis and can flexibly penetrate through key passing areas such as a doorway and a channel, during material conveying, the driving motor is started to enable the driving wheel to drive the shell and a connecting structure of the shell to generate angle deflection, meanwhile, the driving motor drives the spiral blade to rotate through the driving shaft, and then grains are conveyed towards the grain scraper. The operation area of the whole machine can be greatly increased, and the original grain discharging effect can be achieved without frequent movement of the whole machine.

The utility model provides a paper deviation rectifying structure for a printing machine. The paper deviation rectifying structure for the printing machine effectively solves the problems that in an existing deviation rectifying structure for the printing machine, friction force on the side edges of paper is large, and the structure is not simple and reliable enough. According to the technical scheme, the device comprises a rack, a transmission belt capable of moving left and right is installed in the rack, a rotating shaft arranged in the front-back direction is arranged above the transmission belt, the end of the rotating shaft is rotationally connected to the rack, and the rotating shaft can actively rotate; the two spiral pieces at the two ends of the rotating shaft are opposite in rotation direction and are symmetrical in the front-back direction. The correcting device is ingenious in structure, friction to the side edges of paper is reduced under the condition that the correcting capacity of the printer is guaranteed, it is guaranteed that the paper can synchronously move along with the conveying belt, the structure is simpler and more reliable, and the correcting and correcting effects are better.

The utility model relates to the technical field of drainage, in particular to a photovoltaic panel drainage channel, and provides the following technical scheme: the photovoltaic panel drainage channel comprises two groups of drainage channels, and an anti-blocking mechanism is arranged in each of the two groups of drainage channels; the anti-blocking mechanism comprises a driving shaft, a guide-out spiral piece is installed on the outer side of the driving shaft, a transmission wheel is installed at one end of the driving shaft, a rotating plate is located above the guide-out spiral piece, a driven shaft is installed in the middle of the rotating plate, the front side and the rear side of the rotating plate are each provided with a set of side teeth, two sets of fixed teeth are arranged on the inner wall of the drainage groove, and the side teeth and the fixed teeth are distributed in a staggered mode. By designing the anti-blocking mechanism, sundries such as branches and leaves can be crushed into small sizes so as to be fully mixed with rainwater, the rainwater and the sundries are spirally guided and conveyed after being mixed, the sundries with the small sizes can be smoothly pushed and conveyed along with water flow in the spiral guiding and conveying process, and the service life of the rainwater and the sundries is prolonged. The problem that the interior of the drainage groove is blocked due to accumulation of sundries is solved, smoothness of the drainage groove is guaranteed, and drainage efficiency is improved.

The invention discloses roll forming equipment with a cooling structure, and belongs to the technical field of electrode roll forming equipment, the roll forming equipment comprises a shell, a press roll driving unit is arranged on one side of the top of the shell, and two press roll units with opposite rotating directions are arranged in the press roll driving unit. According to the device, an external adjusting device adjusts the use distance between multiple compression rollers in the compression roller unit, at the moment, a spring can drive a sliding base and a rack to move, a second annular gear drives a rotating shaft and a protruding block to rotate, a main oil bag expands, and a second spiral blade is driven to move; according to the cooling device, the screw pitch between the second spiral blade and the first spiral blade is adjusted, the flowing speed of cooling liquid between the first spiral blade and the second spiral blade is increased in an auxiliary mode, the laminar flow of the cooling liquid is destroyed, and therefore the overall cooling effect of equipment is effectively improved; and through dynamic adjustment, the equipment is suitable for the cooling requirements of electrode diaphragms with different thicknesses produced under variable working conditions.