48 results about "Free feeding" patented technology

The utility model relates to the related field of screening devices, in particular to a feeding and screening device of a dust-free feeding station, which comprises a device body, a feeding box and a screen are arranged in the device body, a feeding channel is arranged at the upper end of the feeding box, a discharging port is arranged at the bottom of the feeding box, an electromagnetic valve is mounted on the discharging port, and the screen is arranged on the feeding channel. Four sets of side supports are arranged on the two sides of the screen, limiting sliding rods are arranged on the outer sides of the side supports, limiting sliding grooves are formed in the inner wall of the feeding box, the limiting sliding rods are slidably inserted into the limiting sliding grooves, a motor is arranged on the back face of the feeding box, a rotating disc is connected to the front end of the motor, and a plurality of through holes are formed in the rotating disc. Dust-free feeding and comprehensive screening and smashing of raw materials can be achieved, it is conveniently guaranteed that the particle size of the raw materials is standard, the screening efficiency is high, smashing is more thorough, rapid dismounting, mounting and replacing of the screen can be achieved, and deep cleaning or replacing of the screen is facilitated so as to adapt to different use working conditions and requirements.

The application discloses a dust-free feeding station for medicine production and relates to the dust-free feeding technical field.The dust-free feeding station comprises a feeding station body, a conveying pipeline fixedly connected to the lower end of the feeding station body, a production box fixedly connected to the conveying pipeline away from the feeding station body, a sealing door rotationally connected to the side of the feeding station body away from the production box, support rods fixedly connected to the inside of the feeding station body at equal intervals, a packaging bag fixing mechanism and a feeding auxiliary mechanism.The packaging bag fixing mechanism comprises symmetrical support plates, and the support plates are fixedly connected between every two adjacent support rods.The conical body can be inserted into the lower end face of the packaging bag to fix the packaging bag before feeding, so that the material conveying is not blocked due to the packaging bag being stuck in the feeding opening or the pipeline, the feeding process is ensured to be smooth, the feeding efficiency is remarkably improved, the material spilling or blocking caused by the packaging bag shaking or shifting is reduced, and the stability of the feeding process is further ensured.

The utility model belongs to the technical field of feeding stations, and particularly relates to a dust collecting device of a dust-free feeding station, which comprises a support, a feeding pipe, a storage tank, a collecting frame, a sieve plate, a fan and a motor, the feeding pipe is fixedly connected to the inner wall of the top of the support, and the storage tank and the collecting frame are fixedly connected to the inner wall of the support. A collecting box is fixedly connected to the right side of the support and communicates with the collecting frame, a fan is fixedly connected to the inner wall of the collecting box, a sieve plate is movably connected to the inner wall of the collecting box, a motor is fixedly connected to the inner wall of the bottom of the collecting box, and a transmission shaft is fixedly connected to the top of an output shaft of the motor. Dust is collected through the collecting frame, the collecting box, the screen plate and the draught fan, a fixing block is conveniently driven to move through a transverse plate to fix or unlock the screen plate, the screen plate is conveniently replaced, and good practicability is achieved.

The invention provides a grain-saving white feather broiler breeding method, and relates to the technical field of white feather broiler breeding. According to the method, henhouse environment control, breeding management and nutrition supply are combined, the growth potential of the white feather broilers is synergistically improved, and the white feather broilers of 40 days old have the slaughtering weight of 3 kg, the feed conversion ratio of 1.30-1.34: 1 and the European benefit index of 550 or above; wherein the henhouse environment control comprises feeding temperature control, feeding humidity control, henhouse air quality standard control and henhouse light control; the breeding management comprises the step of feeding by adopting a free feeding mode without controlling feed in a clean trough in the whole process; the nutrition supply comprises the step of respectively feeding pellet feed with different components and different granularities according to different day ages. By means of the grain-saving breeding method, the slaughtering time of the chickens can be shortened, the feed consumption can be reduced, excrement discharge can be reduced, then a large-scale efficient production mode of the cage-rearing white feather broilers is established, and remarkable economic benefits and environmental protection effects are achieved.

The invention discloses an intelligent pet fluid food and medicine feeder and a control method thereof. The intelligent pet fluid food and medicine feeder comprises a support mechanism, a feeding mechanism, a paper napkin mechanism and a control mechanism, and the support mechanism provides support and channels for parts of other mechanisms; the feeding mechanism comprises a storage barrel weighing supporting table, a valve passing hole and a valve element driver, and the valve element driver is used for operating opening and closing of an external storage barrel valve so as to achieve feeding and stopping operation. The napkin paper mechanism comprises a new paper motor bolt, a waste paper motor bolt, a new paper channel, a waste paper channel 1, a waste paper channel 2, a waste paper channel 3, a heater and a napkin paper positioner, a waste paper motor drives rolling and pulling of napkin paper to achieve the paper changing action, the napkin paper positioner feeds back the paper changing stroke, and the heater is used for drying remaining grains to prevent deterioration; the control mechanism comprises a material storage barrel weighing supporting table, a valve element driver, a new paper motor bolt, a waste paper motor bolt, a heater, a napkin paper positioner, a controller and a weighing device, and the controller optimizes and controls operation such as material feeding and paper changing through feedback of all the components in combination with a preset program and historical data. Finally, the purposes of intelligent feeding and no-clean feeding are achieved.

The utility model belongs to the technical field of dust-free feeding, and particularly relates to a dust-free feeding station for producing rhubarb gallnut powder, which comprises a feeding station and a material collecting barrel in the feeding station, a material seat for placing a material bag is arranged in the feeding station, a slope plate for guiding materials is arranged in the material seat, a side groove for the materials to flow downwards is formed in one end of the slope plate, and the discharging of the materials is used for preventing dust from drifting away; a cutting knife for cutting open a material bag is arranged at one end in the material base, and after the cutting knife cuts the bag, an opening of the cutting knife faces downwards to prevent dust from overflowing upwards. According to the utility model, manual bag cutting and manual material dumping are not needed, the material bag only needs to be placed in the material seat 2 and pushed into the equipment, complete and automatic discharging operation can be realized, waste caused by outward flying of dust is effectively prevented, the working difficulty is reduced, the cost is saved, and the working efficiency is improved. The use effect of the equipment is enriched; and the operation is more convenient.

The present invention discloses a dust-free feeding device for plastic processing, and relates to the technical field of dust-free feeding. The present invention comprises a base, a support assembly is arranged on the top of the base, a processing container is arranged on the top of the support assembly, a fixing assembly is arranged at the top edge of the support assembly, the fixing assembly is located above the processing container, a barrel is fixedly installed inside the fixing assembly, a plurality of through holes are arranged equidistantly inside the barrel, a motor is arranged at the center of the top of the barrel, a plurality of feed pipes are arranged equidistantly on the top of the barrel, the feed pipes are connected to the inside of the barrel, and a reciprocating screw is rotatably installed at the center of the top of the inner wall of the barrel. The present invention prevents materials from stacking on each other while achieving uninterrupted feeding, which is different from the traditional feeding method that requires the equipment to be interrupted before feeding, resulting in reduced feeding efficiency. At the same time, the falling speed can be freely controlled for materials with different cleanliness levels, so as to ensure the cleanliness of the materials and avoid carrying dirt for processing, resulting in reduced quality.

1. Name of the design product: dust-free feeding station (broken block). 2. Use of the design product: suitable for unpacking, feeding and unloading of raw materials prone to caking or relatively large blocks in pharmaceutical, chemical and food industries. 3. Design points of the design product: in shape. 4. Picture or photo that best indicates the design points: perspective view. 5. The bottom of the design product is a part that is not easy to see or cannot be seen during use, and the top view is omitted.

The invention discloses a dust-free feeding station for medicine production, and relates to the technical field of dust-free feeding, the dust-free feeding station comprises a feeding station body, a conveying pipeline is fixedly connected to the lower end of the feeding station body, a production box is fixedly connected to the end, away from the feeding station body, of the conveying pipeline, and a sealing door is rotatably connected to the side, away from the production box, of the feeding station body; supporting rods are fixedly connected into the feeding station body at equal intervals, the feeding station further comprises a packaging bag fixing mechanism and a feeding auxiliary mechanism, the packaging bag fixing mechanism comprises supporting plates which are symmetrically arranged, the supporting plates are fixedly connected between every two adjacent supporting rods, and before packaging bags are fed, cones can be inserted into the lower end faces of the packaging bags to fix the packaging bags; according to the feeding device, material conveying blocking caused by the fact that a packaging bag is clamped in a feeding port or a pipeline is avoided, smooth proceeding of the feeding process is guaranteed, the feeding efficiency is remarkably improved, the problem of material scattering or blocking caused by shaking or shifting of the packaging bag is solved, and the stability of the feeding process is further guaranteed.

The utility model provides a powder veterinary drug dust-free feeding station which comprises a powder veterinary drug feeding shell and further comprises a discharging structure, and the discharging structure is arranged in the powder veterinary drug feeding shell. According to the device, a cutting blade cuts a knife edge in a powder veterinary drug packaging bag, a push rod drives a fixing frame and a fixing rod to vibrate left and right, veterinary drugs in the opened powder veterinary drug packaging bag can well fall down, automatic discharging is conducted, the powder veterinary drugs are screened through a separation net, and the powder veterinary drug packaging bag is convenient to use. According to the veterinary drug screening device, the pushing rod drives the screening net to vibrate left and right, and the situation that the screening net is blocked and the screening efficiency is affected is avoided through vibration while veterinary drug screening is well carried out, and the discharging structure can be synchronously driven to carry out vibration discharging and the screening structure can be synchronously driven to carry out vibration screening only by rotating the cutting structure; the whole feeding station is relatively simple, and various driving electric appliances do not need to be used for driving the feeding station to operate.

The present invention discloses a multifunctional compound sika deer grass-free feeding feed formula and a preparation method thereof, and relates to the technical field of animal nutrition and feed science, the feed formula comprises: a basic energy raw material consisting of corn flour, soybean protein isolate and palm oil; the functional additive contains a trace element chelate, a plant extract and active peptide; the fiber substitute comprises inulin, pectin and sodium carboxymethyl cellulose. The basic energy raw material, the functional additive and the fiber substitute are scientifically proportioned, the feed is prepared through wet granulation and an antioxidant spraying process, the particle diameter of the feed is 3-5 mm, the water content is lower than 8%, the high-energy requirement of sika deer in a grass-free feeding mode can be met, the palatability and digestion and absorption performance are optimized, and the feed is suitable for large-scale popularization and application. Meanwhile, intestinal health is maintained, pilose antler growth is promoted, and the application value is remarkable.

The dust-free feeding station comprises a transmission frame, two connecting rods and a feeding bin, one end of each connecting rod is fixedly connected with a bag opening rod, one end of each bag opening rod is rotationally connected with a movable rod through two adapter blocks, a mounting groove is formed in the outer portion of each movable rod, and the two adapter blocks are fixedly connected with the transmission frame. A jacking rod is movably connected to the interior of the bag opening rod, a jacking block is fixedly connected to the exterior of the bag opening rod, and a bottom block is fixedly connected to the bottom end of the bag opening rod. The adjusting handle is rotated to drive the worm, the worm gear, the fixing rod, the first bevel gear and the second bevel gear meshed with the first bevel gear to rotate, so that the two-way screw is driven to rotate, the two threaded blocks are driven to drive the connecting rods connected with the threaded blocks to move, and therefore the distance between the two bag opening rods is adjusted; and therefore, the personnel can complete feeding work outside the feeding bin without assistance of hands, the hands of the personnel are effectively prevented from making contact with the materials during feeding, and the cleanliness of the dust-free feeding station is further improved.

The utility model relates to the technical field of mixing machine feeding, and provides a mixing machine dust-free feeding device for fireproof coating production, which comprises a feeding barrel, a telescopic cylinder and a sealing block, the telescopic cylinder is mounted at the top in the feeding barrel, the sealing block is connected to the output end of the telescopic cylinder, and a feeding assembly is arranged at the top of the feeding barrel. The feeding dust removal assembly is arranged at the bottom of the feeding barrel and comprises an outer pipeline, the outer pipeline is arranged at the bottom of the feeding barrel, an inner pipeline is arranged at the bottom of the feeding barrel, and the inner diameter of the inner pipeline is the same as that of an opening in the bottom of the feeding barrel. According to the technical scheme, the problems that in the related technology, when stirred materials are too small or are in a dust state, the device easily removes the stirred materials together with dust, materials are wasted, feeding is inconvenient, and bagged materials can blow out dust when being put into a storage box and cannot be treated are solved.

The invention discloses a method for determining the optimal marketing day age of white goose meat, and relates to the technical field of poultry breeding, and the method comprises the following steps: (1) carrying out consistent management, free feeding and water drinking and natural illumination on goose group feeding; (2) selecting 20 Zhejiang white geese with normal weight and half male geese and half female geese at the same day age when the geese are fed to 90 days and 120 days, stopping feeding 12 hours before slaughtering, and freely drinking water; (3) killing the goose by using a jugular vein bloodletting method on the slaughtering day, taking right pectoral muscle after slaughtering, removing surface fat and connective tissue, and placing the goose in a refrigerator at-20 DEG C for later use; and (4) during slaughtering, selecting left pectoralis for meat quality determination. According to the method for determining the optimal listing day age of the white goose meat, the technical problem that the quality of the white goose meat with different listing day ages is difficult to evaluate is effectively solved, technical support is provided for white goose meat breeding and purchasing of the white goose meat with different listing day ages by consumers, and the method has a good application prospect.

The utility model discloses a dustless automatic feeding device of feeding, relates to feeding equipment technical field. The utility model discloses a fixed box, rear shell, front cover and connecting plate, the upper portion of one side of fixed box is fixed with connecting plate, and the upper portion in connecting plate is fixed with electric cylinder through, and the driving end and the driven end of electric cylinder are fixed with the connecting frame in common, and the side away from fixed box of connecting frame is fixed with the limit frame, and the upper portion of the outside of fixed box is fixed with fixed frame, and the rear side of the top of fixed frame is fixed with rear shell, and the top of rear shell is fixed with the transit bin of intercommunication, and the front side of rear shell is provided with front cover. The utility model discloses a fixed box, rear shell, front cover and connecting plate are set up, have solved the problem that the feeding station feeding device is faced with a small amount of feeding demand when cost is higher, and feeding is not rapid enough, and dustproof use work is not enough stable, and the feeding station feeding device of the utility model discloses has the advantages of: facing a small amount of feeding demand cost is lower, and dustproof work is more stable.

The utility model discloses a dust-free feeding station which comprises a machine frame, a feeding mechanism arranged on the inner side of the machine frame and a dust removal mechanism arranged on the outer side of the machine frame, a flapping mechanism and a bag clamping mechanism are arranged above the feeding mechanism, and an upper rail frame is fixed to the machine frame. The flapping mechanism comprises a flapping air cylinder, a contact plate fixedly connected with the output end of the flapping air cylinder and a flapping support arranged on the contact plate, the flapping support is fixedly connected to the steering shaft, the bag clamping mechanism comprises a feeding barrel and a bag clamping air cylinder fixed to the feeding barrel, and the output end of the bag clamping air cylinder is fixedly connected with a bag clamping table plate; the feeding mechanism comprises a feeding hopper and a vibration discharging hopper installed below the feeding hopper. According to the dust-free feeding station, the two feeding modes of ton bag feeding and small bag feeding can be integrated, the whole mechanism is simple, the operation modes of ton bag feeding and small bag feeding are very convenient, and therefore the feeding efficiency can be improved.

The invention discloses a livestock health data intelligent management method and system, and relates to the technical field of image recognition and edge calculation. The livestock health data intelligent management method comprises the following steps: S1, acquiring an individual behavior image sequence in a free feeding environment, constructing a behavior image basic data set, and preprocessing the behavior image basic data set; s2, identifying visible states of a head and a slot position based on the behavior image basic data set, extracting a corresponding shielding section and evaluating a shielding coverage degree; s3, identifying continuity characteristics of behaviors before and after the shielding section, and dividing continuation levels based on head posture and position change; and S4, calling an ingestion behavior correction sequence generated after behavior connection as a judgment basis, and judging the interference intensity level of the interpolation section on the ingestion behavior structure. The problem that the feeding time is severely underestimated due to interruption of a feeding behavior section caused by the fact that a head-slot position contact structure in an image in a sheltered scene cannot be continuously recognized is solved.

The utility model provides a kind of automatic feeding dust-free feeding machine of veterinary drug raw materials, it is related to veterinary medicine feeding technical field, including rack, fixedly installed with box on rack, the side wall of box is equipped with feeding port, the bottom of box is communicated with hopper, the bottom of hopper is equipped with discharge port, rack is slidably installed with lifting frame, hinged with turnover frame on lifting frame, a pair of fixed components are provided on turnover frame, a pair of guide grooves are fixedly installed on turnover frame, one side rest plate is slidably installed on two guide grooves, the upper end of one side rest plate is rotatably installed with guide roller, one side rest plate driving assembly is provided on turnover frame, the utility model is cooperated by lifting frame, turnover frame and one side rest plate, realizes the lifting of bagged veterinary drug raw materials and secondary unloading, improves the feeding efficiency of veterinary drug raw materials.

The invention discloses a special feeding box for laboratory mice, which is used for feeding and observing laboratory mice. The box body is composed of a top plate, a bottom plate, a front lower vertical plate, a front upper inclined plate, a rear vertical plate, a left vertical plate and a right vertical plate. The front upper inclined plate is a box cover, a food trough and a water tank are arranged on the front lower vertical plate, the front part of the bottom plate is a panel, and the rear part is a fence. A weighing sensor with a weighing platform is arranged on the panel. The rear end of the weighing platform is close to the fence. The weighing sensor communicates with an industrial computer to record the weight of the laboratory mice. The fully surrounded box body is more in line with the habit of the laboratory mice to avoid light, and non-interference feeding is achieved through the food trough and the water tank. Since the laboratory mice are accustomed to defecate away from the food feeding area and the rest area, the laboratory mice will defecate at the fence at the rear of the bottom plate, and the excrement will fall outside the box through the fence. The excrement is cleaned outside the box to achieve non-interference cleaning. The feeding box can provide a suitable living environment for the laboratory mice, and the feeding, cleaning and weighing processes will not disturb the laboratory mice.

The utility model provides a feeding screening device of a dust-free feeding station, which comprises a feeding hopper, the bottom of the feeding hopper is provided with a discharge port, the feeding hopper is provided with a screening mechanism used for screening materials fed by workers, the screening mechanism comprises a screening box and a shell, the interior of the feeding hopper is provided with a limiting sliding chute, and the limiting sliding chute is provided with a feeding hole. The screening box is movably arranged in the limiting sliding groove, and a plurality of sets of shells are arranged outside the feeding hopper. When the screening device is used, through installation of the screening box and the shell, when a worker throws materials into the feeding hopper, the thrown materials fall into the screening box movably installed in the feeding hopper in a limiting mode, and along with starting of the motor in the shell, the screening box can conduct limiting reciprocating motion in the limiting sliding groove; the screening box can screen and scatter materials in the screening box, it is ensured that the particle size distribution of the materials meets the production requirement, the working efficiency of the screening box is improved, and the practicability of the dust-free feeding station is enhanced.

The utility model relates to dustless feeding station technical field, especially for a dustless feeding station of pharmacy workshop, including feeding bin, one side fixedly connected with fixed frame of feeding bin, the inner chamber fixedly connected with motor of fixed frame, the output fixedly connected with broken column of motor that penetrates to the inner chamber of feeding bin, the bottom intercommunication of feeding bin is provided with the discharge bunker. The utility model has the advantages of dust removal and broken screening, in the actual use process, through the cooperation of feeding bin, fixed frame, motor and discharge bunker, can effectively break up the caked medicinal material, thereby guarantee that medicinal material can smoothly unload, avoid the influence to the subsequent process, improve the overall work efficiency, through the cooperation of discharge bunker, screen cloth, spring and vibrating motor, not only can accelerate the unloading process of medicinal material, still can effectively screen out the impurity in material, ensure the purity of final material.

The invention discloses a black pig feeding device, and belongs to the field of livestock breeding, the black pig feeding device comprises a mounting seat, a belt groove is formed in the mounting seat, a bottomless trough is fixedly connected to the inner side of the belt groove, fixed seats are fixedly connected to the two sides of the mounting seat, and supporting rods are fixedly connected to the tops of the fixed seats; the bottom of the mounting base is provided with a material distributing assembly used for spreading feed. According to the bottom-free feeding trough, piled feed can be transferred when the synchronous conveying belt rotates, the piled feed is pushed to be flat under blocking of the material blocking plate, and the feed passes through a gap between the material blocking plate and the synchronous conveying belt, so that the feed is laid on the surface of the synchronous conveying belt with the uniform thickness, and the whole bottom-free feeding trough is full of the feed; when the black pigs feed, it can be guaranteed that the feed amount at each position is consistent, it is guaranteed that each black pig can feed, it is avoided that due to uneven feed distribution, part of the black pigs are small in feed intake and even not fed with feed, and meanwhile the feed putting efficiency is effectively improved.

The utility model discloses a dust-free feeding station which comprises a feeding bin, the feeding bin is connected with a fence covering a feeding opening of the feeding bin, the fence can generate elastic deformation, a cross-shaped notch allowing a material bag to pass through is formed in the fence, and the dust-free feeding station has the effect of preventing dust from overflowing in the bag opening and material pouring process of the feeding station.

The utility model provides a dust -free feeding station relates to feeding station technical field, include: feeding station casing, the middle of feeding station casing surface is equipped with the feed inlet, the surface of feeding station casing is surrounded and is equipped with fixed square ring, the bottom of fixed square ring is provided with height adjusting device, the middle installation of feeding station casing one side surface is equipped with the inclined plate, the middle of inclined plate surface is equipped with the limit slot, the inside of limit slot is provided with feeding device. The utility model discloses, through setting height adjusting device, along the direction of limit square ring that one electric hydraulic rod is driven moves along limit rod, and feeding station casing is lifted and reduced, through setting feeding device, one end of connecting plate is driven through motor, and through electric hydraulic rod no.

The utility model relates to the technical field of food production, in particular to an intelligent double-collaboration dust-free feeding station which comprises a dust removal fan, a dust removal cover body, a switch, an electric control box, an air box, a dust removal door cover, an air spring pressing rod, a filter element, a flexible connector, a supporting platform, supporting legs, moving wheels, wheel brakes, a hydraulic lifting part, a station standing platform, a standing platform support and a funnel locking buckle. The intelligent double-collaboration dust-free feeding station has the advantages that the intelligent double-collaboration dust-free feeding station moves through the moving wheels and is convenient to clean, different types of screening devices are matched through lifting of the hydraulic lifting part, feeding operation of workers is facilitated through the station standing platform, the adaptability of the feeding station is improved, and the feeding experience is improved.

The utility model discloses a non-damage feeding device for a screening machine, which comprises a first vertical frame and a second vertical frame, a feeding device is arranged on the first vertical frame, a material guide device is arranged on the second vertical frame, the material guide device comprises a first lifting frame, a guide shell, a first connecting frame and a telescopic cylinder, a first multi-stage oil cylinder is arranged on the second vertical frame, and a second multi-stage oil cylinder is arranged on the second vertical frame. The feeding device has the advantages that the guide shell can rotate around the axis of the connecting shaft under the action of the telescopic air cylinder, and when the first discharging pipe is higher than the first feeding pipe, the guide shell can rotate around the axis of the connecting shaft; at the moment, the materials in the guide shell cannot be discharged along the first discharging pipe and enter an external screening machine to be screened, the materials in the guide shell cannot be extruded in the feeding starting process and the feeding stopping process, and then the materials can be prevented from being damaged.

The invention discloses a dairy cow feeding method capable of reducing and controlling saturated fatty acid in raw milk in a targeted manner, and the preparation method comprises the following steps: (1) preparing a mixed ration which comprises a basic ration and an additive; the additives comprise a ponkan peel-bo-chrysanthemum-boxthorn leaf compound extract, linseed oil, lysine and nicotinic acid; (2) feeding the dairy cows with mixed daily ration every day by adopting a feeding method of free feeding and water drinking; the temperature of the cowshed is controlled to be 10-16 DEG C, a good ventilation environment is kept, and bed bedding is replaced regularly; and (3) starting to add conjugated linoleic acid into the mixed ration after 6-8 days after delivery. When the method is used for feeding the dairy cows, the content of saturated fatty acid in raw milk can be remarkably reduced, and the core is that the rumen function is optimized through regulation and control of daily ration.

The utility model discloses a pit-free type feeding trolley which comprises a base, a track is installed at the bottom of the base, wheels are movably installed on the track and arranged at the bottom of an inner fork frame, an outer fork frame is installed on the upper side of the inner fork frame, an upper table top rack is installed on the surface of the outer fork frame, and a table top is fixedly connected to the surface of the upper table top rack. And meanwhile, rollers are movably mounted on the table top. A driving rod extends out of the pit-free feeding trolley, the oil cylinder II and the oil cylinder I, so that the steel coil on the table board ascends to be centered with the center of the uncoiler, and the driving motor drives the trolley to advance again to feed the steel coil onto a coiling block of the uncoiler; the hydraulic motor drives the steel coil to rotate to the plate head centering material guiding device, and the feeding action is completed; the current common feeding trolley form with four guide columns and one oil cylinder is replaced, a foundation does not need to be deeply excavated to install a walking tunnel, and the feeding trolley adapts to plant foundation problems and using habits of some customers.

The invention discloses a supplementary feeding method for yak hay in a high and cold grassland withering period by adding rumen bypass glucose. The supplementary feeding method comprises the following steps: S1, selecting a perinatal-period plateau yak; s2, staged feeding management is conducted on the plateau yaks in the perinatal period, feeding is started 14 days before the perinatal period, feeding is conducted in a 7-day pre-feeding period and a 42-day positive feeding period, the pre-feeding period is used for establishing a feeding rhythm, and the nutrition metabolism indexes of the yaks are continuously monitored in the positive feeding period; feeding in different time periods every day: feeding mixed hay containing rumen bypass glucose in the breeding house within the time period of 9: 00-10: 30 in the morning; in the time period of 17: 00-18: 30 in the afternoon, independently feeding hay without rumen bypass glucose into the breeding house; after breeding house feeding is completed, the yaks are driven to the peripheral flat dam area for free feeding and water drinking. According to the invention, the rumen bypass glucose is added into the hay for supplementary feeding of the yaks, so that the cost is reduced, and the female yaks in the calving period are supplemented with the rumen bypass glucose added into the hay, so that the body health of the calves can be facilitated, and the occurrence of nutrition metabolism diseases is reduced.

The invention discloses a large-scale laying hen farm double-antibiotic-free breeding technology, and relates to the technical field of laying hen breeding, and the method mainly comprises two technical systems of harmful positive virus antigen purification for chicken flocks and complete-cycle antibiotic-free health management. Wherein a method for purifying harmful positive virus antigens comprises the following steps: strictly executing a full-in full-out feeding management mode, introducing chicken flocks with negative ALV, CIAV and REV antigens, and regularly monitoring and eliminating cages in which the chickens with positive ALV, CIAV and REV antigens are located and adjacent chicken flocks with high-risk cages by utilizing a PCR technology. The whole-cycle antibiotic-free health management method comprises the following steps: controlling drinking water pollution from the day when chicks enter a farm, and using cold boiled water as drinking water within a week when the chicks enter the farm; a feed beneficial microorganism colonization promoting system is constructed, precise immunization is implemented, harmful microorganism invasion is prevented, the resistance of chicken flocks is enhanced, and no antibiotic is added in the whole breeding process.