417 results about "Stored grain" patented technology

The invention discloses a granary design method and device based on a three-dimensional model, equipment and a storage medium, and the design method comprises the steps: obtaining the original feature information of a target granary, carrying out the preprocessing of the original feature information, and obtaining the feature information after preprocessing; based on the preprocessed feature information, generating a three-dimensional model of the target granary by using a building information model technology; obtaining a target granary design model matched with the three-dimensional model from a pre-stored model database; performing a simulation test on the target granary design model to obtain a simulation test result at least including grain storage safety, full life cycle cost and extreme working condition adaptability; and judging the simulation test result according to a preset judgment standard. According to the method, multiple technologies are fused, granary design data are accurately collected, three-dimensional modeling, simulation evaluation and scheme optimization are realized through intelligent algorithm processing, the grain storage safety can be greatly improved, the cost is reduced, and the design efficiency and quality are improved.

An intelligent grain storage control system based on a wireless sensor network comprises a grain storage environment monitoring subsystem which comprises a plurality of sensor arrays used for monitoring at least one grain storage environment parameter; the grain condition early warning subsystem is used for processing all the grain storage environment parameters by using a deep belief network and a long-short term memory network to obtain a real-time grain condition state; the intelligent control subsystem is used for generating an equipment control instruction according to the real-time grain condition state; and the overrun execution subsystem comprises a plurality of environment control devices, and the environment control devices are used for operating according to the device control instructions to change the environment of the grain depot. According to the invention, the grain storage environment parameters in the grain depot can be more flexibly collected, and the real-time grain condition state is predicted through the grain condition early warning model comprising the deep belief network and the long-short term memory network based on the grain storage environment parameters, so that the grain depot environment can be controlled with high precision, and full protection of grains is realized.

The invention relates to the technical field of grain and fertilizer transportation, in particular to a fertilizer and grain transfer vehicle which comprises a vehicle head, a vehicle body and a compartment with a compartment cover at the top, the middle of the compartment is divided into a grain storage bin and a fertilizer storage bin through a partition plate capable of transversely moving, and grain and fertilizer can be stored at the same time when the partition plate moves to the middle. When moving to the rightmost / leftmost end, switching to a pure grain / fertilizer storage mode; a ventilating shutter fan is arranged at the top of the grain storage bin, sealing folding cloth is arranged at the top of the fertilizer storage bin, the grain storage bin and the fertilizer storage bin are opened and closed in a linkage mode along with movement of the partition plate, the compartment is divided into the grain storage bin and the fertilizer storage bin through the transversely-movable partition plate, and the space proportion of the grain storage bin and the fertilizer storage bin can be freely adjusted when the partition plate moves. When the partition plate is located in the middle, grains and fertilizer can be stored at the same time; the pure grain storage mode is switched when the vehicle moves to the rightmost end, and the pure fertilizer storage mode is switched when the vehicle moves to the leftmost end, so that the capacity requirements on two types of goods in different transportation scenes are met, space waste caused by single goods transportation is avoided, and the universality and the transportation efficiency of the vehicle are remarkably improved.

The invention relates to a reinforcement learning-based granary ventilation energy consumption optimization system and method, in particular to the field of granary ventilation energy consumption optimization, and can effectively improve the intelligent level of granary ventilation control by setting a data acquisition and fusion module, a state space construction module, a reinforcement learning training module and a real-time decision and feedback module. Accurate perception and decision-making of a dynamic environment are realized through cooperative work of multiple modules, the system adaptively optimizes a ventilation strategy by using a reinforcement learning technology, energy consumption is remarkably reduced, meanwhile, it is ensured that the temperature and humidity in a granary are stabilized in a safe range, the grain mildew or qualitative change risk is avoided, and the system has high practicability. The online learning ability of the method can continuously adapt to external weather changes and grain condition dynamic states, closed-loop optimization is formed, and finally energy consumption minimization is achieved on the premise that grain storage safety is guaranteed.

The invention relates to the technical field of agricultural equipment, in particular to a corn ear and stalk collecting, packaging and film winding all-in-one machine which comprises a frame, a material collecting module and a recycling module are arranged on the frame, the material collecting module comprises a harvesting table, a cab and a grain storage box, and a stalk chopper is installed on the lower portion of the harvesting table; a stalk chopper is arranged on one side of the grain storage box, a stalk crusher connected with the stalk chopper is arranged on one side of the grain storage box, the recycling module comprises a stalk storage box and a packaging machine, a first conveying belt connected with the stalk storage box is arranged at the feeding end of the packaging machine, and a film winding device is arranged at the discharging end of the packaging machine. Compared with a traditional stalk and spike harvesting device, through modular design, stalk cutting, spike and grain separation, straw smashing and packaging and film winding integrated operation is achieved, device switching and manual intervention are reduced, and the straw mildewing risk caused by human errors is reduced.

The present invention relates to the technical field of elevators, and more specifically, to a grain elevator based on modern agricultural machinery and equipment, comprising a base, an elevator structure, a drive structure, a feeding structure, a rotating structure, and an opening and closing structure. The setting of the feeding structure avoids the blockage problem caused by excessive accumulation of grain at the elevator feed port, making the grain distribution more uniform, while facilitating operators to add grain to the equipment and improving flexibility. The setting of the rotating structure facilitates rapid adjustment of the direction of the discharge pipe on the elevator, thereby facilitating the delivery of grain to grain storage tanks in different directions, avoiding the adjustment of the overall direction of the elevator and improving operational efficiency. The setting of the opening and closing structure can flexibly adjust the valve opening according to production needs, accurately control the discharge flow of materials such as grain, and quickly cut off the discharge, with strong flexibility.

The utility model discloses a vacuum fish food feeder which comprises a shell assembly, a food storage bin, a movable bin, a movable support and an eccentric wheel driving mechanism, the food storage bin is arranged at the top of the shell assembly, and a food outlet is formed in the bottom of the food storage bin. The movable bin is movably arranged in the shell assembly and below the grain storage bin, the movable bin is provided with a grain storage cavity on the front side and a blocking part on the rear side, an opening is formed in the bottom of the grain storage cavity, and a turning plate used for opening or closing the opening is arranged at the opening. The eccentric wheel driving mechanism and the movable support are both arranged in the shell assembly, the eccentric wheel driving mechanism is connected with the movable bin through the movable support, and the eccentric wheel driving mechanism drives the movable bin to move through the movable support. The grain storage cavity is opposite to the grain outlet or the blocking part closes the grain outlet, and the grain storage device is simple in structure and more reliable in performance.

The utility model discloses a grain storage system applying chlorine dioxide, which comprises a granary, a first gas dispersion mechanism, a second gas dispersion mechanism, a circulation pipeline and a chlorine dioxide generator, the first gas dispersion mechanism comprises a main gas pipe and a plurality of gas dispersers, the main gas pipe is arranged at the top in the granary, one end of each gas disperser is connected with the main gas pipe, and the other end of each gas disperser is connected with the circulation pipeline. An air outlet pipe is arranged at the other end; the second gas dispersion mechanism comprises a conveying pipeline and a plurality of dispersion pipelines, the conveying pipeline is arranged at the bottom in the granary and distributed along the inner circumferential wall of the granary, the dispersion pipelines are arranged at the bottom in the granary, the conveying pipeline is arranged around the dispersion pipelines, the two ends of the dispersion pipelines communicate with the conveying pipeline, and the dispersion pipelines are provided with a plurality of gas outlet ports; one end of the circulation pipeline communicates with the main air pipe, the other end of the circulation pipeline communicates with the conveying pipeline, and the circulation pipeline is provided with a circulation fan. The grain storage system applying chlorine dioxide provided by the embodiment of the utility model can improve the gas diffusion efficiency.

1. The name of the design product: storage barrel (9109). 2. The use of the design product: the design product is used for storing grains in the storage barrel. 3. The design points of the design product: the combination of shape and pattern. 4. The picture or photo that best indicates the design points: perspective view 1.

The utility model relates to a uniform and efficient grain storage air drying bin, and belongs to the technical field of grain air drying. The problem that the grain air-drying effect generated by a traditional air-drying bin is not uniform is solved. Comprising a frame, a material blocking net and a rhombus cylinder, the material blocking net is arranged on the frame, and a grain storage bin is defined by the material blocking net; a grain inlet area, a grain storage area and a flow guide area which are sequentially communicated from top to bottom are arranged in the grain storage bin, and a grain inlet is formed in the top of the grain inlet area; the horizontal section size of the flow guide area is gradually reduced from top to bottom, and a grain outlet is formed in the bottom of the flow guide area; a plurality of rhombic cylinders are uniformly distributed in the grain storage bin, the two ends of each rhombic cylinder are connected with the frame, and the two ends of each rhombic cylinder abut against the material blocking net; the interior of the grain storage bin is divided into net-shaped grain storage spaces through the multiple rhombic barrels. The rhombic cylinder is of a thin-wall cylindrical structure, and a front-back through air duct is arranged in the rhombic cylinder; a plurality of ventilation holes are distributed in the side wall of the rhombic cylinder, and the air channel is communicated with the ventilation holes. The grain storage and air-drying device is used for storing and air-drying grains.

The invention provides a grain storage process of an airtight heat insulation type green grain storage container, and relates to the technical field of grain storage, the grain storage process comprises the following steps: S1, arranging an air film bin; the cover body is opened, the air film bin is laid in the box body, the grains are placed in the air film bin, and after the grains are placed, the air film bin is controlled to be closed; and S2, gas protection structure arrangement is conducted, specifically, the multiple airtight protection assemblies sequentially penetrate through the installation panel from one side, the airtight protection assemblies slide to the preset positions, and the airtight protection assemblies and the installation panel are controlled to be in a mutually-engaged sliding state. The air bags do not need to be pumped during preliminary installation, installation and arrangement of workers are facilitated, after the multiple airtight protection assemblies are arranged, the expanded air bags abut against one another to push the air bags and the positioning plates on the inner sides to slide to the preset positions, finally, a compact gas protection face is formed, simplicity and convenience are achieved, the overall arrangement time is shortened, and the working efficiency is improved. And the overall arrangement difficulty is greatly reduced.

The invention discloses a grain storage sub-ecological region intelligent division method based on a spatial analysis and clustering technology, and the method comprises the following steps: 1, obtaining the geographic position data, meteorological data and grain condition data of each sampling point in a research region, and enabling the data to serve as the sample data of each sampling point; taking the meteorological data and the grain condition data of each sampling point as grain storage variables of the sample; wherein the geographic position information comprises the longitude, the latitude and the altitude of the sampling point, the meteorological data comprises the air temperature, the relative humidity, the precipitation and the sunshine duration of the sampling point, and the grain condition data comprises the grain temperature of the granary corresponding to the sampling point; step 2, calculating a global Moran index of each grain storage variable in each sampling point, and respectively screening out characteristic indexes in the meteorological data and the grain condition data according to the global Moran index; and step 3, determining a clustering target number K, clustering sampling points in the research area by using a K-means clustering algorithm, and dividing the research area into K grain storage sub-ecological areas.

The utility model discloses a water and food feeder for pets, which belongs to the technical field of pet supplies and comprises at least two food trays, and a water tank or a food tank is arranged on the upper end face of each food tray. The water storage barrel and the grain storage barrel are detachably connected to the food tray, the water storage barrel is arranged above the water tank, and the grain storage barrel is arranged above the grain tank; the connecting parts are connected between the adjacent food trays, the adjacent food trays are rotatably connected through the connecting parts, and then the food trays can be rotated to separate the water tank from the food trough, so that food water is prevented from being mixed when a pet takes food.

The utility model relates to the technical field of granary ventilation and temperature control, and discloses a circulation type temperature and humidity regulation and control all-in-one machine which comprises a machine frame, a frequency conversion compressor and a gas-liquid separator are fixedly connected to the right portion of the upper side of the machine frame, a condenser is installed on the rear portion of the upper side of the machine frame, and the condenser is connected with an electronic expansion valve through a pipeline. An evaporator is fixedly connected to the right portion of the rack, a heater is installed on the right side of the evaporator, three water purifiers are fixedly installed on the left portion of the upper side of the rack, an air inlet is formed in the right side of the rack, and an air outlet is formed in the left side of the rack. According to the circulation type temperature and humidity regulation and control all-in-one machine, the cooling function and the humidifying function can be achieved at the same time, and the circulation type temperature and humidity regulation and control all-in-one machine can be flexibly switched into an air-conditioning mode, an intelligent mode or a conditioning ventilation mode. The comprehensive regulation and control capability effectively prevents moisture loss caused by dry air in the storage process of the grains, ensures that the grains keep optimal temperature and humidity balance, and improves the grain storage quality and economic benefits.

The utility model relates to the field of agricultural instruments, in particular to an ex-warehouse loading transfer system. The grain storage device comprises a supporting frame body, a grain storage hopper, a fixing frame, two sets of steering bases, two sets of linkage mechanisms, a first spiral conveyor and a second spiral conveyor. The grain storage hopper is installed on the supporting frame body, the fixing frame is fixedly installed on one side of the grain storage hopper, the two sets of steering bases are located in the extending direction of one side of the grain storage hopper and movably installed on the fixing frame, and the two sets of linkage mechanisms correspond to the two sets of steering bases one to one. One end of the first screw conveyor is installed at the discharging end of the bottom of the grain storage hopper, the first screw conveyor is connected with one of the two linkage mechanisms, one end of the second screw conveyor is installed on the top face of the grain storage hopper, and the second screw conveyor is connected with the other linkage mechanism.

The utility model discloses a grain pile deep water retention cooling ventilation device, which comprises a fan, an air distribution box and a plurality of metal ventilation pipes, the fan is connected with an air inlet of the air distribution box, the air distribution box is provided with a plurality of air outlets, each air outlet is connected with one end of one metal ventilation pipe, and the other end of the metal ventilation pipe is connected with the fan. The other end of the metal ventilation pipe is arranged in a grain pile; when the deep sampler is used, the metal ventilation pipes are lowered to the bottom of a grain pile through the deep sampler, the upper ends of the metal ventilation pipes are connected to the air distribution boxes, each air distribution box can be connected with 5-6 metal ventilation pipes, and then a low-power fan is used for ventilation treatment, so that the deep ventilation cooling effect of the grain pile is achieved; therefore, the phenomenon of ventilation dead angles during ventilation and cold storage of the grain storage warehouse can be effectively solved through the metal ventilation pipe, and meanwhile the phenomenon that in order to reduce the phenomenon of local bottom layer heating, excessive loss of grain moisture is caused by using a centrifugal fan or a large amount of cost is generated by adopting a grain cooler can be avoided.

1. Name of this design product: Pet food storage bin. 2. Purpose of this design: For storing pet food. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: 3D view 1.

The utility model discloses a kind of grain depot grain dew condensation prevention devices, it is related to grain depot dew condensation prevention technical field, specifically a kind of grain depot grain dew condensation prevention device, including granary body and sealed cover, the inner wall of granary body is provided with temperature and humidity detector, the outer surface of granary body is installed with cavity frame, the inner portion of cavity frame is respectively installed with fan, dust screen and first servo motor, the output end of first servo motor is installed with the screw rod with the same center as the output end axis center of first servo motor.The grain depot grain dew condensation prevention device has the effect of being convenient to ventilate or close granary according to the temperature and humidity in granary, the temperature and humidity in granary are detected by temperature and humidity detector, ventilation is facilitated by the cooperation of fan and dust screen, the setting of baffle facilitates the closure of air vent, avoids the entry of moisture, the setting of sealing block improves the sealing property when closing, reaches the purpose of improving practicality.

The utility model discloses a granary cleaning and killing smoke generator which comprises a shell, a supporting net, a supporting plate, a heater, a liquid medicine container and an induced draft fan. A supporting net and a supporting plate are arranged in the shell from bottom to top, and the interior of the shell is divided into a first cavity, a second cavity and a third cavity through the supporting net and the supporting plate. The heater is arranged in the first cavity; the liquid medicine container is arranged in the second cavity; the induced draft fan is arranged in the third cavity; the air inlet end of the induced draft fan communicates with the middle of the supporting plate, and the air outlet end communicates with a bent pipe. The bent pipe extends out of the upper end of the shell and is communicated with the hose; and the side wall of the shell at the second cavity is communicated with an air inlet pipe. The granary deinsectization device has the advantages that through the arrangement of the shell, the supporting net, the supporting plate, the heater, the liquid medicine container, the induced draft fan, the bent pipe and the hose, the granary deinsectization agent forms smoke in the granary space, the deinsectization and deinsectization effect of the whole granary space is improved, the deinsectization and deinsectization cost is greatly reduced, an operator operates outside the granary, and the working efficiency is greatly improved. The labor intensity of cleaning and killing insects is reduced, the harm of stored grain chemical agents to operators is reduced, and the body health of the operators is ensured.

The utility model provides a grain storage container with a remote monitoring module, which comprises a container body with a first end with a container door and a second end deviating from the first end; the functional module bin is integrally formed at the top of the second end in the inner cavity of the container body, the functional module bin is a sub-cavity isolated from the inner cavity, and a nitrogen concentration monitoring module for allowing nitrogen to enter the inner cavity, a communication module, a control box and a power battery are arranged in the functional module bin; the power battery is electrically connected with the nitrogen concentration monitoring module, the communication module, the control box and the video monitoring device respectively; the two temperature sensors and the pressure sensor are arranged at the top of the inner cavity; and the video monitoring device is arranged at the corner of the top of the first end of the inner cavity. According to the utility model, various data acquisition and related grain storage state maintenance in the container can be realized, so that the interior of the container is remotely monitored, the grain storage state of the grain storage container is maintained, and the grain storage time is prolonged.

The grain storage structure comprises a grain collection bin assembly, the grain collection bin assembly comprises a grain collection bin body, the grain collection bin body is of a cuboid structure with an opening in the upper portion, and the grain collection bin body is fixed to the tail of a harvester, located below a lifting mechanism and used for collecting cyperus esculentus conveyed by the lifting mechanism; the dynamic material distribution mechanism is arranged above the grain collection bin body and reciprocates in the length direction of the grain collection bin body, the upper end of the dynamic material distribution mechanism is connected with a discharge port of the hoisting mechanism through a telescopic hose, and the dynamic material distribution mechanism is used for uniformly spreading cyperus esculentus in the grain collection bin body in the moving process; according to the grain storage structure for cyperus esculentus harvesting, uniform filling of cyperus esculentus in the grain collection bin can be achieved, the space utilization rate is increased, the unloading frequency is reduced, meanwhile, the side inclination risk caused by side stacking is eliminated, and the operation safety is improved.

The invention belongs to the technical field of pesticides, and particularly relates to carvone oxime ether compounds as well as a preparation method and application thereof. The carvone oxime ether compound has a chemical structure as shown in a formula (I). The invention provides a series of brand new carvone oxime ether compounds for the first time. In addition, the invention also provides a synthetic method of the carvone oxime ether compound, the product prepared by the synthetic method is high in yield and easy to separate, and the synthetic method is an optimal synthetic route for preparing the carvone oxime ether compound; the carvone oxime ether compound can be used for controlling stored grain pests, especially controlling tribolium castaneum of wheat, rice, corn, sorghum, peanuts, oilseed rape, soybeans and the like, and has the characteristics of high acting speed and high activity. The carvone oxime ether compound disclosed by the invention can be used as a stored grain pest control fumigant, has good development potential, and provides a new thought for developing and creating a new green fumigant.

The utility model discloses a phosphine gas generating system. According to the technical scheme, the device comprises a material storage module, a material distribution module, a generation module, a processing module, a measurement and control module and a rack box body. According to the scheme provided by the utility model, the stored grain fumigation insect killing can be more effectively realized, the safety risk of dosing by personnel is completely avoided, the labor intensity is reduced, the workload is reduced, and the medicine can be stored for a long time as long as being placed in the bin once and can be released for multiple times according to the fumigation requirement; the generation opportunity and the dosage of the phosphine can be selected timely and reasonably, and the drug release concentration can be regulated and controlled according to actual conditions, so that the effective optimal CT value of the pest lethal concentration is achieved, and the dosage is reduced to the greatest extent; fumigating residues are subjected to innocent treatment, and residual gas is sent back to a grain pile, so that zero emission of poison gas is realized, the pesticide effect is fully utilized, and the environmental pollution is reduced; the whole fumigation operation and the circulation process are all carried out under the inner film of the granary pile, so that poison gas leakage is avoided, and grains are better protected.

The utility model belongs to the technical field of mariculture, and particularly relates to a mariculture fish raft with an intelligent monitoring function, which comprises a fish raft main body, a grain storage box is arranged on the front side of the fish raft main body, a monitor is arranged on the front side of the grain storage box, and an automatic feeding mechanism is arranged in the grain storage box; the automatic feeding mechanism comprises a sleeve, the sleeve is fixedly installed on the inner wall of the grain storage box, and notches are formed in the top and the bottom of the sleeve; the material conveying roller is connected to the inner wall of the grain storage box through a bearing, and the material conveying roller is arranged in the sleeve; and the material conveying groove is formed in the surface of the material conveying roller. According to the marine aquaculture fish raft with the intelligent monitoring function, aquaculture personnel can check the aquaculture condition anytime and anywhere through a mobile phone or a computer under the cooperation of the monitoring device and automatic feeding, make adjustment in time and conduct automatic feeding, and the requirement for on-site manual patrol can be reduced.

The invention discloses an automatic multi-stage temperature control grain storage warehouse system which comprises a storage warehouse and a temperature control warehouse arranged at the front end of the storage warehouse. The temperature control bin comprises a transfer chamber, a sampling detection chamber and a nitrogen charging and supplementing chamber which are arranged in sequence; a transmission line mechanism communicated with the storage bin is arranged in the transfer chamber, the sampling detection chamber and the nitrogen charging and supplementing chamber, so that the grain storage box conveyed into the transfer chamber from the outside is conveyed into the storage bin for storage after sequentially passing through the sampling detection chamber and the nitrogen charging and supplementing chamber through the transmission line mechanism; and temperature adjusting devices are arranged in the transfer chamber, the sampling detection chamber and the nitrogen charging and supplementing chamber and used for forming a multi-stage temperature control chamber so as to adjust the temperature of the conveyed grain storage box for multiple times. The grain storage container has the advantages that the structure is simple and compact, the automation degree is high, various working procedures can be carried out in the transferring process, the grain storage container has small influence on the environment of a grain storage bin, and the intelligence degree and the working efficiency are high.

The utility model discloses a traction type grain elevator which comprises a traction machine box, a grain elevator mechanism, a negative pressure mechanism, a spiral material lifting machine and a grain storage bin, the grain elevator mechanism is arranged on one side of the traction machine box, the negative pressure mechanism is further arranged in the traction machine box and comprises a negative pressure bin, a grain outlet is formed in the bottom of the negative pressure bin, and the spiral material lifting machine is arranged in the grain storage bin. In addition, the spiral lifting mechanism is fixedly connected to the traction case, a grain inlet in the bottom of the spiral lifting mechanism corresponds to a grain outlet, a grain storage bin is further rotationally connected to the traction case, the grain storage bin corresponds to a grain discharge port of the spiral lifting mechanism, an overturning oil cylinder is rotationally connected to the traction case, and the overturning oil cylinder is connected with the spiral lifting mechanism. The overturning oil cylinder is rotationally connected with the grain storage bin, and a power shaft is rotationally connected to the traction machine box and is in power connection with the negative pressure mechanism and the spiral material lifting machine. The utility model relates to the technical field of grain elevators, and has the characteristics of quickening the production efficiency, being suitable for being used in small-scale farmlands, and being low in failure rate.

The application discloses a site selection method and device, equipment, medium and product, and relates to the technical field of data processing. The site selection method comprises the following steps: acquiring grain flow stream data; determining a feasible time for each transportation node that meets a first constraint condition according to the grain flow stream data, wherein the first constraint condition indicates that the grain can be unloaded at the transportation node and the ship can safely sail on the waterway; establishing a multi-objective integer programming model, wherein an objective function of the model is used to realize the dual objectives of minimizing the time-related grain loss risk and the task overdue cost, and a second constraint condition of the model comprises a storage transportation channel feasibility constraint condition based on the transportation node and the grain storage institution and a grain unloading operation feasibility constraint condition based on the grain flow task requirement and the feasible time; generating a candidate site selection scheme according to the second constraint condition; and solving the multi-objective integer programming model based on the candidate site selection scheme to obtain a site selection scheme that minimizes the objective function value under the condition of meeting the second constraint condition. The application can balance the feasibility and economy of grain transportation.

This invention discloses a pet feeding system and method, belonging to the technical field of pet feeding. It includes a feed hopper, a vacuum assembly, and a food conveying and weighing mechanism. The feed hopper has a food storage compartment, a sealing plate, and a food outlet, with the outlet connected to the storage compartment. The sealing plate is movably disposed at the outlet. The vacuum assembly is installed in the feed hopper, with its first end located inside the feed hopper and connected to the storage compartment. The food conveying and weighing mechanism includes a food bowl and a weighing device. The food bowl is mounted on the weighing device, with its trough located below the food outlet. The weighing device is installed inside the feed hopper. In a first movable position, the trough of the food bowl is at least partially obscured by the feed hopper. In a second movable position, the weighing device weighs the food in the food bowl. By placing the trough of the food bowl below the food outlet and mounting the food bowl on the weighing device, the pet feeding system has the function of storing and feeding food, improving the incompatibility between food storage and feeding.

The invention relates to a vertical bulk grain storage cavern in a mountain. The multiple rows of grain storage silo groups are arranged side by side in the length direction of the vestibule, each row of grain storage silo group comprises a plurality of grain storage silos arranged at intervals in the direction perpendicular to the vestibule, the axes of the grain storage silos are vertically arranged, and waterproof structure layers are arranged on the inner circumferential walls of the grain storage silos. The waterproof structure layer comprises a fine aggregate concrete layer, a concrete primary lining layer, a concrete secondary lining layer and a plastic waterproof plate layer which are sequentially arranged from the mountain to the center of the grain storage silo, water collecting square pipes and vertical drainage pipes are pre-buried in the waterproof structure layer, the water collecting square pipes are spirally wound in multiple layers in the vertical direction, and the water collecting square pipes communicate with the vertical drainage pipes; a plurality of evenly-distributed water collecting holes are formed in the upper surfaces of the water collecting square pipes and communicate with the interiors of the water collecting square pipes, drainage main pipes communicating with one another are arranged in the vestibule and the grain outlet channels, and the vertical drainage pipes communicate with the drainage main pipes.

The application relates to a grain blocking door structure of a granary and relates to the technical field of grain storage equipment; the supporting plates are two, are fixed at the back sides of the grain blocking doors respectively; the motors are two, are fixed at the front sides of the grain blocking doors respectively, output shafts of the motors pass through the grain blocking doors, and the output shafts are arranged at the lower sides of the supporting plates; the motors are connected with external power supplies; the lifting assemblies are two, are arranged between the supporting plates and the bottom sections respectively; the locking assemblies are arranged at the bottom front sides of the connecting ends of the left and right bottom sections; when grain is discharged from the granary, the bottom sections of the grain blocking doors do not need to be manually opened or dismounted by workers, and the grain discharging efficiency is improved.