114results about How to "Prevent flying out" patented technology

The invention relates to the technical field of ship shafting self-locking shaft locking, and discloses a ship shafting self-locking shaft locking device, a shaft locking base comprises a bottom plate, a triangular web plate and two stop blocks, the stop blocks are arranged on the bottom plate in parallel, the stop blocks are fixedly arranged on the bottom plate through the triangular web plate, a shaft locking sliding block slideway is arranged between the two stop blocks, and a shaft locking sliding block is arranged on the shaft locking sliding block slideway. And a lock shaft sliding block is arranged in the lock shaft sliding block slideway. The shaft locking method comprises the steps that the size and number of all components of the shaft locking device are determined; using a turning gear to rotate the open groove of the flange on the shaft system to the position where the shaft needs to be locked; the locking bolt is unscrewed, the handle is pushed to enable the locking shaft sliding block to slide in the locking shaft sliding block sliding way, the locking shaft sliding block is clamped in the opening groove of the flange, shaft locking is achieved, at the moment, the electronic limiting switch is changed into a close state from an open state, a signal is transmitted to a host for remote control, interlocking with the host is achieved, the host cannot be started, and misoperation protection is achieved. On the basis that the structure of the lock shaft device is simplified, the cost is reduced, and the safety of the lock shaft is improved.

The invention discloses a forklift type AGV (automatic guided vehicle) stacking mechanism, and relates to the technical field of automatic guided vehicles, the forklift type AGV stacking mechanism comprises a balance vehicle, and a circular groove is formed in the balance vehicle; a driving device is arranged in the balance car, universal wheels are rotatably arranged at the output end of the driving device, a hydraulic cylinder is fixedly installed at the bottom of the inner wall of the circular groove, the rotating shaft is fixedly installed at the top of the output end of the hydraulic cylinder, the disc is rotatably installed at the top of the rotating shaft, and the supporting disc is fixedly installed at the top of the disc. The hollow cylinder is fixedly installed at the bottom of the supporting disc, the sliding rod is slidably installed on the inner wall of the hollow cylinder, and the suction cup is fixedly installed at the bottom of the hollow cylinder, so that the supporting disc cannot rotate, the balance car rotates, but goods on the top cannot rotate, and the goods are prevented from inclining due to the too large rotating angle during steering; and therefore, the stability during transportation is improved.

The utility model belongs to the field of polishing machines, particularly relates to a roller grinding and polishing machine, and aims to solve the problems that a to-be-polished workpiece is inconvenient to place in an existing polishing machine, the feeding efficiency is low, time and labor are wasted when the workpiece is heavy, a roller cover fixing mode is simple, and the risk that a roller cover falls off when the roller cover is subjected to gravity is likely to occur. In order to solve the problem of poor sealing effect of the polishing machine, the utility model provides the following scheme: the polishing machine comprises a rack, a support frame and a fixing assembly, the upper surface of the rack is rotatably connected with a polishing cylinder, one side of the rack is fixedly connected with a first motor, and one end of an output shaft of the first motor is fixedly connected with one side of the polishing cylinder. Through cooperation of the winch and the steel wire rope, lifting of the hopper can be conveniently achieved, so that feeding of workpieces is automatically completed, through arrangement of the fixing assembly, fixing of the barrel cover can be guaranteed, the workpieces are prevented from flying out in the polishing process, and through arrangement of the sealing strip, polishing liquid or dust is effectively prevented from overflowing.

The utility model provides a kind of wind-driven generator cabin cover cleaning robot's foam spraying structure, the bottom end of spray pipe is equipped with several branch pipes, branch pipe is evenly distributed on magnetic suction spraying assembly, the top end of spray pipe is connected with the foam storage mechanism of unmanned aerial vehicle bottom;When needing to spray foam to wind-driven generator cabin cover cleaning, unmanned aerial vehicle is close to wind-driven generator cabin cover, make magnetic suction spraying assembly close to wind-driven generator cabin cover, make magnetic suction spraying assembly energized, generate electromagnetic force, under the use of magnetic force, make magnetic suction spraying assembly magnetic suction cover on wind-driven generator cabin cover surface, again make the foam storage mechanism of unmanned aerial vehicle bottom and spray foam by spray pipe, make foam enter the gap between magnetic suction spraying assembly and wind-driven generator cabin cover, complete to wind-driven generator cabin cover foam spraying, can effectively avoid the influence of airflow, effectively avoid the problem that foam cannot be sprayed on wind-driven generator cabin cover due to airflow.

The utility model discloses quantitative packing equipment for high-dose phytase pig feed, which belongs to the technical field of packing equipment, and comprises a base, support columns are symmetrically arranged on the base, support frames are arranged between the support columns, a stirring mechanism is arranged between the support frames, the stirring mechanism comprises a stirring barrel, a rotating shaft and a stirring rod, and the rotating shaft is connected with the stirring rod. The stirring barrel is fixedly arranged between the supporting frames, the rotating shaft is rotationally arranged in the stirring barrel, the stirring rods are arranged on the rotating shaft in a staggered mode, a discharging hopper and a discharging pipe are fixedly arranged at the top and the bottom of the stirring barrel respectively, and a packaging mechanism is arranged at the lower end of the discharging pipe. According to the quantitative packaging equipment with the structure, quantitative packaging of pig feed can be achieved, dryness of phytase pig feed can be kept, and the activity of phytase is guaranteed.

The invention relates to the technical field of automatic grinding, and discloses a precise composite grinding machine. According to the precise composite grinding machine, a distance meter can measure the distance between a protective shell and a grinding wheel and measure the abrasion thickness of the grinding wheel, then a baffle is driven through a retracting and releasing assembly, and the gap between the baffle and the grinding wheel is adjusted to be the initial distance; water drops can flow out of a water tank in the collecting assembly and flow down along the inner wall of the baffle, so that the side wall of the baffle is wetted, after the spark chips make contact with the inner wall of the baffle, the spark chips can be instantly extinguished and do not have adhesiveness any more, and finally the spark chips follow water flow; and the air blowing assembly can blow out air, cool the grinding wheel and blow-dry water drops adhered to the side wall of the air blowing assembly, and the situation that the grinding wheel and a workpiece cannot make direct contact and the grinding quality is affected due to the fact that the water drops form a water film on the surface of the grinding wheel is prevented.

The invention belongs to the technical field of carding machines, and particularly relates to a negative-pressure lint receiving system of a carding machine, which comprises a negative-pressure lint receiving mechanism capable of replacing partial cylinder functions, carding cotton slivers in a negative-pressure conveying mode and improving the three-dimensional degree of the cotton slivers while improving the conveying speed of the cotton slivers. The net curtain brush roller, the cotton collecting wood roller and the lint receiving conveying belt can improve the lint yield and reduce the lint flying situation, the negative pressure lint receiving mechanism airflow assembly is composed of a conveying belt assembly and a negative pressure fan and filter assembly, and an air inlet of the negative pressure fan and filter assembly is located on the inner side of the conveying belt assembly. Through hole structures are evenly arranged on the surface of a conveying belt in the conveying belt assembly. The ends of transverse and longitudinal velveteen are affected by the negative pressure of the negative-pressure velveteen receiving mechanism to vertically overlap, so that the proportion of vertical velveteen is increased, the stereoscopic degree of the velveteen is improved, the content of neps is reduced while the production efficiency is improved, and the net curtain brush roller and the velveteen receiving conveying belt are matched with the negative-pressure velveteen receiving mechanism to effectively prevent the velveteen from flying.

The utility model provides an ultra-high molecular weight polyethylene powder additive adding device which comprises an exhaust fan, an additive feeding hopper, an additive storage bin, a weightlessness scale and a powder rotary valve, a powder additive is added through a feeding port in the upper portion of the additive feeding hopper, and an exhaust port is formed in the top of the additive feeding hopper. An exhaust fan is arranged on the side of the additive feeding hopper, the exhaust fan is started during feeding so as to prevent the powder additive from flying out, and extracted gas is exhausted through the exhaust fan; the powder additive flows into the additive storage bin through a pipeline at the bottom of the additive feeding hopper by virtue of gravity; a powder additive enters a powder weightlessness scale through a pipeline at the bottom of the additive storage bin, the adding amount of the powder additive is measured through the powder weightlessness scale, and the powder additive is conveyed to a rotary valve through a discharging screw. The powder additive is added into an ultra-high molecular weight polyethylene powder air conveying system pipeline from the bottom of the rotary valve, and it is guaranteed that the powder additive and the ultra-high molecular weight polyethylene powder are fully mixed.

The pressure relief structure comprises an upper cover and a tank body, the upper cover is fixedly connected with a pressure relief device, a blocking plate is installed in the pressure relief device, the blocking plate is connected with a blocking frame in a sliding mode, the blocking frame is connected with a spring a in a surrounding mode, the blocking plate is provided with a telescopic pipe, the telescopic pipe is provided with a moving plate b, and the moving plate b is provided with a spring. A moving plate b is arranged in the tank body, the moving plate b is slidably connected with a sliding frame, the moving plate b is slidably connected with a sliding block, the sliding block is rotatably connected with a rotating plate, the rotating plate is rotatably connected with a moving plate a, the tank body comprises a shell, aerogel, reinforcing cloth, polyurethane, carbon fibers and an inner container, and the shell is located on the outer side of the aerogel. When the pressure in the tank body is high, the moving plate a and the moving plate b are pushed to move upwards in sequence until the sliding frame is attached to the blocking frame, the air outlet and the air hole are exposed, air can be released outwards for pressure relief, and the service life is long; the carbon fiber, the polyurethane, the reinforcing cloth and the aerogel are matched to achieve a good explosion-proof effect.

This utility model discloses a thin-walled guide sleeve groove cutting device, including a housing. The annular groove on the left wall of the housing is rotatably connected to the annular slip ring on the outer arc surface of a cylinder. A chuck is provided at the right end of the cylinder. A pair of symmetrical guide rods are fixedly connected between the left and right inner walls of the housing. An adjustment platform is slidably connected between the guide rods. An adjustment block is slidably connected to the upper end of the adjustment platform. A cutting blade is provided at the left end of the adjustment block. The device also includes a debris cleaning mechanism. The debris cleaning mechanism includes a bearing, an air pipe, a nozzle, a rotary joint, and a connecting pipe. The air pipes are rotatably connected between the left and right inner walls of the housing via the bearing. The outer wall of the air pipes is provided with evenly distributed nozzles. A rotary joint is provided at the right end of the air pipes. This thin-walled guide sleeve groove cutting device eliminates the need to open the housing door during cleaning, preventing debris from flying out during the cleaning process and reducing manual workload. Multiple nozzles clean the debris, resulting in better cleaning effect.

This utility model discloses an automatic valve spring assembly device and its automatic feeding assembly device, comprising: 1. An automatic valve spring assembly device, including a spring placement station and a valve placement station. An assembly mechanism is installed on one side of the spring placement station. The assembly mechanism includes a transfer component and an assembly component. The assembly component includes a clamping component and a pushing component. The clamping component includes a clamping cylinder and a pair of clamping claws, with a clamping hole formed between the pair of clamping claws. The pushing component includes a pushing cylinder and a push rod, with the push rod located above the clamping hole. An ejection hole is opened at the bottom of the valve placement station. An ejection mechanism is installed below the valve placement station. The ejection mechanism includes a base, an ejection cylinder, and an ejection rod, with the ejection rod passing through the ejection hole; 2. An automatic valve spring feeding assembly device, including a spring feeding device, a valve feeding device, a valve spring single feeding device, and an automatic valve spring assembly device; realizing the automated assembly of valves and springs.

The application discloses a single-color eraser precise extrusion and shaping equipment and relates to the technical field of eraser processing. The single-color eraser precise extrusion and shaping equipment comprises an extruder, a roller guide device fixed to the discharging side of the extruder, a conveying belt arranged downstream of the roller guide device, a cooling box arranged below the conveying belt, and a shaping assembly arranged between the extruder and the cooling box. The first track and the second track of the shaping assembly are bidirectionally slidable and cooperatively arranged with the sliding device and the extrusion device. During the continuous output of high-temperature blank by the extruder, the sliding device moves to the extrusion station along the first track, then the extrusion device moves forward on the second track in the vertical direction to drive the two heart-shaped dies to perform the opposite die closing and extrusion action, and after pressure maintaining and shaping, the extrusion device moves reversely along the second track to complete the die opening and demolding. The scheme improves the defects of the prior art which relies on high-cost injection molding dies, and integrates the continuous extrusion and counter-pressure forming processes in the same station.

This utility model belongs to the technical field of testing equipment and discloses a slide protection structure for a staining machine turntable. It includes a turntable and a cover plate that cooperates with the turntable. The turntable and cover plate are connected. Multiple limiting plates are machined on the side walls around the turntable, evenly distributed in a ring around the center of the turntable. The surface of the turntable has a marking area corresponding to each limiting plate. Each limiting plate has a receiving groove for placing a slide, with protruding clearance grooves at the four corners. The bottom surface of the receiving groove has support columns for supporting the slide. A retrieval cavity is machined on the bottom of the receiving groove near the turntable, and a limiting slot is machined on the bottom of the side wall away from the turntable. A spin-drying slope is machined in the center of the limiting slot. The cover plate has limiting protrusions corresponding to each retrieval cavity around its perimeter, and a display opening for avoiding the marking area is machined on the surface of the cover plate. This utility model can limit the movement of the slide to prevent it from flying out.

The present invention discloses a waste paper shredding auxiliary device for color printing, comprising a shredding box, a box cover and a recovery chamber, wherein a primary shredding mechanism, a feeding mechanism and an air blowing mechanism are arranged inside the shredding box, and a secondary shredding mechanism is arranged inside the recovery chamber, wherein the primary shredding mechanism is a set of rolling cutters and rotating cutters, and a set of cutting guards are rotatably connected to the outer wall of a second driving rod. The present invention provides an air blowing mechanism, and when the device is shredding a large amount of waste paper, a first driving motor generates a large amount of heat when working for a long time, and a fan is used to blow the heat generated by a driving motor into the recovery chamber through an air intake hole, so that the waste paper debris that is initially shredded in the recovery chamber can be blown up, so that it floats irregularly in the recovery chamber, and the shredding knife can further shred it, thereby enhancing the shredding degree of the color printing waste paper by the device, and at the same time, the hot air continuously blows on the debris to increase its temperature and evaporate moisture, so that the waste paper debris is deformed and becomes brittle, which helps to shred it into smaller particles.

The application discloses a multi-station rotary product feeding device, which comprises a indexing rotating device, product stations and an adsorbing and transferring device. The indexing rotating device comprises an indexing rotating disc. The product stations are in multiple groups and are symmetrically distributed on the edge of the indexing rotating disc. The adsorbing and transferring device is arranged below the indexing rotating disc. The adsorbing and transferring device can generate adsorbing force on the product received in the product station adjacent to the indexing rotating disc when the indexing rotating disc is stopped. The adsorbing and transferring device moves with the indexing rotating disc to keep the adsorbing force on the product from being interrupted until the product is transferred to the unloading area, and then the adsorbing and transferring device stops adsorbing and moves back to the initial state.

The invention relates to the technical field of door lock machining, and particularly discloses a door lock split lock handle automatic drilling device which comprises a workbench and a working bin. The working bin is fixedly connected to the working table, and the material conveying assembly is arranged on the working table and used for conveying handle parts into the working bin; through the arrangement of the material pushing assembly and the fixing assembly, the problem that workers frequently disassemble and assemble parts can be solved, so that the working efficiency is improved, the device is suitable for machining of large-batch parts, and through the arrangement of the first driving assembly, the fixing assembly can be driven to work while the material pushing assembly moves; and by means of the second driving assembly, the fixing assembly can be driven to be clamped, meanwhile, the drilling assembly can be adjusted to move to the position above the fixing assembly, and meanwhile, the cleaning assembly is driven to conduct cleaning work.

This utility model relates to the technical field of flour feeding devices, and in particular to a special flour feeding device that can reduce the manufacturing cost of the device, make the packaging bag opening more complete, effectively prevent some flour from flying out, and improve the use effect. It includes a hopper, with a feeding pipe connected to the bottom of the hopper. A control valve is installed on the feeding pipe. A cover is fixedly fitted onto the feeding pipe. A connecting ring is slidably fitted onto the feeding pipe. Three sets of guide rods are equidistantly connected to the bottom of the connecting ring. Three sets of guide holes are equidistantly provided on the cover. Each of the three sets of guide rods is fitted with a tightening spring. A suction pipe and a recovery pipe are respectively connected to the input and output ends of a blower. The annular pipe is fixedly installed inside the cover. Multiple sets of suction ports are equidistantly connected to the inner circumference of the annular pipe. A connecting pipe is provided on the cover. The input end of the connecting pipe is connected to the annular pipe, and the output end of the connecting pipe is connected to a flexible hose. The output end of the flexible hose is connected to the suction pipe.

The utility model discloses an asphalt heating and stirring equipment for asphalt manufacturing relates to asphalt technical field, including feed pipe, be provided with fixed part on the feed pipe, two connecting pieces are rotationally connected on the fixed part, two connecting pieces are fixedly connected with a sealing cover, the sealing cover is attached with a limit plate, a limit groove is seted up on the limit plate, a abutment rod is slidably connected in the limit groove, and the abutment rod corresponds with the sealing cover position, and the abutment rod is slidably connected on a limit rod, and the asphalt can be added in the tank body through the feed pipe setting, then several stirring rods start to rotate and stir the asphalt, when the transmission shaft rotates, drive semicircle piece to rotate, make the limiting piece to the clamping piece limit, the feed pipe is closed at this time, just can close the feed pipe to the asphalt stirring, prevent due to the worker inattentive and lead to the asphalt in the tank body to fly out from the feed pipe when stirring.

The skeleton type high-pressure-bearing high-temperature-resistant protective cover comprises a rear cover body and a skeleton sealing plate tightly attached to the inner end face of the rear cover body, and high-temperature-resistant rubber is bonded to the outer end face of the rear cover body; the framework sealing plate is in a grid shape, a pressing frame is arranged on the circumference of the framework sealing plate in an attached mode, and a sealing ring is further arranged on the framework sealing plate in a matched mode. The framework type high-pressure-bearing high-temperature-resistant protective cover meets the requirements of sealing and pressure maintaining during daily storage and transportation of the aircraft, when the aircraft is launched, the rear cover is broken and opened along the designed weak groove position, the high-temperature-resistant rubber is bonded to the outer side face of the rear cover body, the function of preventing ablation of the adjacent cylinder protective cover is achieved, and meanwhile the metal framework can achieve the high-pressure-bearing function.

The utility model discloses a kind of rotor commutator polishing devices, including rack, installation plate is equipped on the rack, installation plate is equipped on for the pay-off assembly of being used to release polishing tape and for the winding assembly of being used to wind polishing tape;The fixture for placing rotor commutator is equipped on the side of installation plate;The fixture is drivingly connected with rotary drive assembly, and the rotary drive assembly drives rotor commutator to rotate;The polishing compression assembly for polishing and compressing rotor commutator is equipped on the side of fixture, movement plate is also equipped on installation plate, the first follower wheel of being equipped with polishing tape is equipped on movement plate, and the first follower wheel is distributed on both sides of fixture, and movement plate is drivingly connected with linear drive, and movement plate moves transversely under the action of linear drive, drives the polishing tape on first follower wheel, approaches or away from rotor commutator;The utility model provides a kind of rotor commutator automatic polishing equipment with high production efficiency.

The utility model discloses a polishing device for flange shaft processing is applied to flange axle field, including base, the surface of base is hinged with the fixing frame, the top of fixing frame is hinged with hydraulic pressure rod, the bottom of hydraulic pressure rod is hinged with the lifting frame, the utility model discloses through moving the pull -out block and makes the clamping rod and fixed hole and disengages the clamping, then rotates the turntable, and the polishing disc of needing thick and thin rotates to the bottom, then loosens the clamping rod, and the clamping rod is clamped with fixed hole under the action of first spring, and it is fixed, and the purpose that replaces the polishing disc is convenient is reached, and the work load is reduced, and the work efficiency is improved, the utility model drives fixed link to make telescopic link descend through the descending of lifting frame, and telescopic link descends and drives the descending of protective cover, and the protective cover covers the polishing seat, prevents the mode of the flyout of chippings, can reach the purpose that possesses the protection function, avoids the personnel injury, and improves the security.

The invention relates to the technical field of quenching equipment, and in particular to a ductile iron grinding ball quenching equipment, comprising a quenching pool body, wherein the bottom inner wall of the quenching pool body is rotatably connected to a first turntable, the lower end outer surface of the quenching pool body is fixedly connected to a motor, the output end of the motor passes through the lower wall of the quenching pool body and is fixedly connected to the first turntable, the upper surface of the first turntable is fixedly connected to a plurality of telescopic units, the plurality of telescopic units are respectively located at the center and around the upper surface of the turntable, the upper parts of the plurality of telescopic units are hinged with an articulated frame, and the upper part of the articulated frame is fixedly connected to a ball receiving unit; the invention solves the problem that, when quenching ductile iron grinding balls, high-temperature grinding balls are usually poured from a quenching frame into a quenching pool through a pouring device, and at this time, the quenching liquid will splash the quenching oil to the area outside the quenching pool due to the sudden fall of the grinding balls and the temperature difference, which not only causes waste but also pollutes the working environment.

This invention discloses an explosion-proof distribution box, relating to the field of electrical engineering equipment technology. It includes a box body and a door, with the left side of the door hinged to the box body. A pressure relief window is provided on the left side wall of the box body. A protective plate is provided on the left side of the pressure relief window to cover it. A sliding strip is connected to the right side of the protective plate. The sliding strip is slidably connected to the side of the pressure relief window in a left-right direction. A limiting block is connected to the sliding strip to prevent it from slipping off the pressure relief window. A support frame is connected to the left side inside the box body. A first tension spring is provided on the support frame. One end of the first tension spring is connected to the support frame, and the other end passes through the pressure relief window and is connected to the protective plate. The first tension spring is configured with a preload force to seal and cover the pressure relief window with the protective plate. The beneficial effect of this invention is that it can promptly release the explosive impact to the outside when an internal explosion hazard occurs, reducing the impact damage to itself and lowering the probability of it exploding.

A kind of material distributing device suitable for sintering trolley, including fixed part, material distributing part, material blocking part and material distributing part;The fixed part is set on the ground across trolley;Material distributing part, material blocking part and material distributing part are all set on fixed part;The fixed part includes crossbeam and fixing piece;The number of fixing piece is two, and it is symmetrically arranged at the two ends of crossbeam;The fixing piece includes support rod and base;The base is set on the ground on one side of trolley track, and it is connected with the end of crossbeam by support rod;The crossbeam is located between trolley and material distributor.The utility model increases the gap of sintering material on trolley, improves its permeability when sintering.

The utility model relates to the field of agricultural equipment, and particularly discloses a movable composting device which comprises a vehicle body with wheels, a crushing cabin, a stirring cabin, an equipment cabin, a battery cabin and a motor cabin are arranged in the vehicle body, a fungicide feeding box, a central control system and a temperature monitoring system are arranged in the equipment cabin, and a partition plate is arranged between the crushing cabin and the stirring cabin. A rotary cutter group and a heating plate are arranged in the crushing cabin, a stirring paddle is arranged in the stirring cabin, and a leaf suction pipe and a solar panel are arranged on the vehicle body. According to the utility model, the openable and closable partition plate is arranged between the crushing cabin and the stirring cabin, so that crushed fallen leaves can be scattered in the stirring cabin layer by layer, and a fungicide is scattered between every two layers of fallen leaves, so that the fungicide and the fallen leaves can be fully mixed; the environment temperature in the stirring cabin can be increased through the heating plate, so that the composting efficiency can be greatly improved.

The utility model discloses a brake pad surface dust cleaning machine which comprises a supporting plate, a plurality of supporting legs, a cleaning mechanism, a material receiving box, a baffle, a guide plate, a material receiving box and a controller, the supporting plate is of a U-shaped structure, and the supporting legs are arranged on the lower end face of the supporting plate. A plurality of cleaning mechanisms used for cleaning the surface of the brake pad are arranged on the rear side wall of the supporting plate and are symmetrically arranged up and down, a material receiving box is arranged on the upper end face of the supporting plate, a material receiving opening of the material receiving box is located under the cleaning mechanisms, and baffles are symmetrically arranged on the two sides of the upper portion of the material receiving box; according to the brake pad cleaning device, the upper face and the lower face of a brake pad can be cleaned at the same time, dust and chippings can be collected, and the situation that dust and chippings fly out to cause environmental pollution and injure workers is avoided; and long-time use is facilitated.

This utility model provides a rotary screen for processing hard capsules, belonging to the technical field of pharmaceutical processing equipment. The rotary screen has a simple and ingenious structure, resulting in excellent material screening. The screening tank is a hollow disc shape, with a screen plate at the bottom and a feeding nozzle on the top. A drive motor is fixedly mounted on a support base. A shaft is coaxially fixed at the center of the outer bottom surface of the screen plate, and the shaft is driven by the drive shaft of the drive motor. A fine material trough is located below the screen plate, and a discharge port is located at the outer edge of the screening tank. A coarse material trough surrounds the outer edge of the screening tank. When the drive motor operates, it drives the screening tank to rotate and screen. Fine material falls through the screen plate into the fine material trough, while coarse material falls through the discharge port into the coarse material trough. This rotary screen provides excellent screening, saves space, and allows for rapid and non-clogging material discharge.

The utility model relates to the technical field of mosquito and fly eradication in pigsties, in particular to a fly eradication device for pigsties, which comprises a fly eradication device body. A shell is fixedly connected to the bottom of the fly killer body, a plurality of trapezoidal notches are sequentially formed in the outer wall of the shell, the calibers of the trapezoidal notches are evenly decreased from outside to inside, an ultraviolet lamp is vertically and fixedly connected to the interior of the shell, a pocket net is arranged at the bottom end of the shell in a sleeving mode, and a motor is fixedly connected to the interior of the fly killer body. By means of the multiple trapezoidal notches formed in the outer wall of the shell, flies enter the shell from the outside, the calibers of the trapezoidal notches are sequentially decreased from outside to inside, when the flies enter the shell, the fan blades are fixedly connected to the output end of the motor through the shell, and the fan blades are located above the ultraviolet lamp. The aperture of the notch in the shell is small, so that the flies are difficult to fly out of the shell, the flies are prevented from flying out of the shell, and the fly killing efficiency is improved.

The invention relates to a ship machining device, in particular to a ship steel plate surface deburring machining device. The ship steel plate polishing device comprises a fixing assembly and a polishing assembly arranged on the fixing assembly, the fixing assembly comprises a pair of clamping pieces fixed to a ship steel plate, a suspension moving rail is connected between the two clamping pieces, and the polishing assembly comprises a sliding piece connected with the suspension moving rail in a sliding mode. The sliding piece is connected with a grinding piece used for removing burrs in an up-down sliding mode, and a detection body used for controlling the grinding piece to slide downwards is arranged in the sliding piece. According to the burr grinding device, under continuous movement of the sliding part, the detection body is driven by the burrs to horizontally slide along the sliding part, when the burrs and the detection body move to the position below the grinding part, the detection body controls the sliding part and the suspension moving rail to be relatively fixed, and the detection body controls the grinding part to move downwards to grind the burrs; and therefore, the burrs can be conveniently and quickly found and treated.