CN117842727A - Grain cleaning and warehousing integrated equipment for horizontal warehouse - Google Patents
Grain cleaning and warehousing integrated equipment for horizontal warehouse Download PDFInfo
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- CN117842727A CN117842727A CN202410246006.0A CN202410246006A CN117842727A CN 117842727 A CN117842727 A CN 117842727A CN 202410246006 A CN202410246006 A CN 202410246006A CN 117842727 A CN117842727 A CN 117842727A
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- 238000004140 cleaning Methods 0.000 title claims abstract description 84
- 230000007246 mechanism Effects 0.000 claims abstract description 82
- 238000009423 ventilation Methods 0.000 claims abstract description 13
- 239000012535 impurity Substances 0.000 claims description 71
- 238000007599 discharging Methods 0.000 claims description 29
- 239000000428 dust Substances 0.000 claims description 20
- 238000001514 detection method Methods 0.000 claims description 16
- 210000001503 joint Anatomy 0.000 claims description 11
- 238000004062 sedimentation Methods 0.000 claims description 10
- 238000005303 weighing Methods 0.000 claims description 10
- 230000001629 suppression Effects 0.000 claims description 9
- 230000009471 action Effects 0.000 claims description 4
- 235000013339 cereals Nutrition 0.000 description 148
- 238000000034 method Methods 0.000 description 11
- 230000008569 process Effects 0.000 description 10
- 238000012216 screening Methods 0.000 description 3
- 230000001502 supplementing effect Effects 0.000 description 3
- 238000007689 inspection Methods 0.000 description 2
- 238000005070 sampling Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229910003460 diamond Inorganic materials 0.000 description 1
- 239000010432 diamond Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
- 235000020985 whole grains Nutrition 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G67/00—Loading or unloading vehicles
- B65G67/02—Loading or unloading land vehicles
- B65G67/24—Unloading land vehicles
- B65G67/32—Unloading land vehicles using fixed tipping installations
- B65G67/48—Vehicle tipplers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G65/00—Loading or unloading
- B65G65/30—Methods or devices for filling or emptying bunkers, hoppers, tanks, or like containers, of interest apart from their use in particular chemical or physical processes or their application in particular machines, e.g. not covered by a single other subclass
- B65G65/32—Filling devices
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G69/00—Auxiliary measures taken, or devices used, in connection with loading or unloading
- B65G69/12—Sieving bulk materials during loading or unloading
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Aviation & Aerospace Engineering (AREA)
- Combined Means For Separation Of Solids (AREA)
Abstract
The invention discloses grain cleaning and warehousing integrated equipment for a horizontal warehouse in the field of transportation machinery, which comprises a grain feeding mechanism, a cleaning mechanism, a lifting mechanism and a warehousing mechanism which are sequentially arranged according to grain trend; the cleaning mechanism comprises a cleaning sieve, the lifting mechanism comprises a second lifter arranged at the discharge end of the cleaning sieve, and a discharge hole at the top of the second lifter is communicated with the warehousing mechanism through a movable grain unloading channel; the warehousing mechanism is arranged above the cleaning screen through the lifting support and comprises a telescopic warehousing machine. When the grains are cleaned, the grains can directly enter the warehousing mechanism through the lifting mechanism, and the warehousing mechanism stretches into the ventilation window of the horizontal warehouse and loads the grains through the grain throwing head; the grain is directly loaded from the ventilation window, so that the equipment movement is reduced, the grain loading efficiency is improved, the labor intensity of workers is reduced, and the cleaning and warehousing of grains in the flat warehouse are safer and more intelligent.
Description
Technical Field
The invention relates to the field of transportation machinery, in particular to grain cleaning and warehousing integrated equipment for a horizontal warehouse.
Background
At present, horizontal warehouse grains mainly enter from a warehouse door of a horizontal warehouse when entering the warehouse, the grains are loaded sequentially from inside to outside by using a warehouse loader, workers are required to frequently carry out horizontal warehouse during the process, the warehouse loader is required to retreat out of the warehouse door, the grains are loaded into the area near the warehouse door by sequentially closing the grain blocking door from bottom to top, and finally the grains are required to be supplemented from a ventilation window of the horizontal warehouse by using a warehouse supplementing machine. The whole grain loading process is highly dependent on the transferring equipment of workers, the labor intensity of the workers is high, and the grain loading efficiency is low.
In addition, detection and cleaning of impurities in grains are necessary links before the grains are placed in the bin, and the grains can be placed in the bin only after the impurity content reaches a certain standard. At present, impurities are mainly screened through a cleaning screen, and the existing cleaning screens are various in variety, for example, patent documents with publication numbers of CN105880167A, CN105921411A and CN203565369U and the like disclose cleaning screens with similar functions. The main working process is that grains are sent into a screen body by an inclined belt conveyor, the separation of the grains and impurities is realized in the vibration process of the screen body, then the impurities are collected by a collecting hopper, a dust removing fan, an ash gas separating cylinder and the like, and the cleaned grains enter the next link by a conveying mechanism.
In the practical application process, grains often cannot reach the cleaning standard after one-time cleaning, so that a plurality of cleaning screens and a plurality of inclined belt conveyors are generally required to be used in series, the whole cleaning conveying route is as long as tens of meters, the occupied space is large, the equipment is more, the cleaning equipment needs to be linked with the warehousing equipment, the arrangement, the connection and the control are more troublesome, and the problems of grain scattering, noise and dust pollution, high labor intensity of workers, safety accidents and the like are easily caused.
Disclosure of Invention
In order to overcome the defects of the existing horizontal warehouse in the grain cleaning and warehousing modes, the invention aims to solve the technical problems that: the grain cleaning and warehousing integrated equipment for the bungalow warehouse is high in integration degree and convenient in grain cleaning and warehousing.
The technical scheme adopted for solving the technical problems is as follows:
the grain cleaning and warehousing integrated equipment for the horizontal warehouse comprises a grain feeding mechanism, a cleaning mechanism, a lifting mechanism and a warehousing mechanism which are sequentially arranged according to the grain trend;
the grain feeding mechanism comprises a temporary storage hopper;
the cleaning mechanism comprises a cleaning screen, and the temporary storage hopper is arranged above a feed inlet of the cleaning screen;
the lifting mechanism comprises a second lifting machine arranged at the discharge end of the cleaning screen, a feed inlet at the bottom of the second lifting machine is in butt joint with the discharge outlet of the cleaning screen, and the discharge outlet at the top of the second lifting machine is communicated with the warehousing mechanism through a movable grain discharging channel;
the mechanism of putting into a cabin sets up in clearance sieve top through the lifting support, and the mechanism of putting into a cabin includes telescopic machine of putting into a cabin, and the size of machine of putting into a cabin satisfies the ventilation window that can stretch into the bungalow storehouse, the feed end of machine of putting into a cabin is equipped with and connects the grain fill, and the discharge end is equipped with throws the grain head, unload the grain passageway and connect the grain fill and dock mutually.
Further, the grain feeding mechanism further comprises a first lifting machine, a discharging hole at the top of the first lifting machine is in butt joint with a top inlet of the temporary storage hopper, and a grain discharging hopper is arranged at a feeding hole at the bottom of the first lifting machine.
Further, a grain unloading mechanism is arranged in front of the grain unloading hopper and comprises a hydraulic turning plate, and the hydraulic turning plate can enable a truck positioned on the hydraulic turning plate to pour grains into the grain unloading hopper when the hydraulic turning plate turns over.
Further, the cleaning mechanism further comprises an impurity detection system, the discharge port of the second elevator is further provided with a grain returning channel, the grain returning channel and the grain discharging channel are connected with the discharge port of the second elevator through a channel converter, the grain returning channel is led to the temporary storage hopper, the impurity detection system controls the channel converter by detecting the impurity condition passing through the cleaning sieve, so that the discharge port of the second elevator is communicated with the grain returning channel or the grain discharging channel, and meanwhile, the feeding speed of the temporary storage hopper is controlled.
Further, the channel converter comprises a rotating shaft arranged at the connection part of the grain returning channel and the grain discharging channel and a driver for driving the rotating shaft to rotate, wherein the rotating shaft is provided with a turning plate, and the turning plate can shield the grain returning channel when rotating along with the rotating shaft, and simultaneously, the grain discharging channel is opened, or the grain discharging channel is shielded, and meanwhile, the grain returning channel is opened.
Further, the screen body of the cleaning screen comprises a screen box, a vibrator positioned on the outer wall of the screen box and a screen surface positioned in the screen box, wherein the screen surface comprises an upper coarse screen surface, a middle fine screen surface and a lower collecting plate, the coarse screen surface and the collecting plate incline to the left side and the right side of the screen body respectively, the grain to be screened has a grain size smaller than the mesh of the coarse screen surface and larger than the mesh of the fine screen surface, and the side surface of the discharge end of the screen box is provided with a large impurity outlet and a fine impurity outlet which are respectively in butt joint with the lower ends of the coarse screen surface and the collecting plate; the impurity detection system comprises a camera and a weighing device, wherein the camera is positioned at the top of the screen box, the impurity quantity on the coarse screen surface is identified through an image, and the weighing device comprises two weighing devices which are respectively positioned below the large impurity outlet and the fine impurity outlet.
Further, the cleaning sieve further comprises a winnowing sedimentation mechanism and a belt conveyor, wherein the winnowing sedimentation mechanism comprises a winnowing device, a dust removing fan and an ash gas separating cylinder which are sequentially connected, the winnowing device is positioned at a discharge hole of the sieve body, a spiral discharge mechanism is arranged at an outlet at the bottom of the ash gas separating cylinder, the belt conveyor is positioned below the winnowing sedimentation mechanism, a feed end of the belt conveyor is positioned below a discharge end of the sieve body, and a feed hole of the second elevator is in butt joint with the discharge end of the belt conveyor; the dust suppression hopper is characterized in that a dust suppression hopper which can control the feeding speed is arranged between the temporary storage hopper and the feeding port of the screen body, and an air pipe is arranged at the top of the dust suppression hopper and is connected with a dust removal fan.
Further, the lifting support is a diamond-shaped hydraulic lifting support, the bottom of the lifting support is connected with the frame of the cleaning screen, and the top of the lifting support is connected with the warehouse entering machine through a steering mechanism.
Further, the warehouse entry machine comprises a truss, a fixed belt and a movable belt, wherein the fixed belt and the movable belt are positioned in the truss, the movable belt is positioned below the fixed belt, and a frame of the movable belt can slide and stretch along the length direction of the truss under the action of a driver.
Further, the grain throwing head is a belt conveyor which is rotatably arranged on a frame below the discharge end of the movable belt.
The beneficial effects of the invention are as follows: the grain feeding mechanism, the cleaning mechanism, the lifting mechanism and the warehousing mechanism are integrated together, grains can directly enter the warehousing mechanism through the lifting mechanism after being cleaned, the warehousing mechanism stretches into the ventilation window of the horizontal warehouse and is filled with grains through the grain throwing head, and the grain feeding device is compact in structure, small in occupied space and convenient to transfer and control; utilize the mechanism of entering a warehouse at balanced top of clearance sieve self weight, can directly follow the ventilation window and carry out dress grain, avoided current dress grain mode to need frequent transfer equipment and set up the trouble that encloses the fender, improved dress grain efficiency, reduced workman intensity of labour, make the clearance of bungalow storehouse grain and the work of entering a warehouse safer and more intelligent.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the structure of the present invention when filled with grains;
FIG. 3 is a schematic diagram of the channel switch of the present invention;
FIG. 4 is a schematic view of the construction of the cleaning screen of the present invention;
fig. 5 is a cross-sectional view of a screen of the present invention.
The drawing shows that the device comprises a 1-temporary storage hopper, a 2-cleaning sieve, a 3-second lifting machine, a 4-lifting support, a 5-warehouse entering machine, a 6-flat house warehouse, a 7-first lifting machine, an 8-hydraulic turning plate, a 21-sieve body, a 22-winnowing sedimentation mechanism, a 23-belt conveyor, a 24-dust suppression and uniformizing hopper, a 25-air pipe, a 26-frame, a 31-grain discharging channel, a 32-grain returning channel, a 33-channel converter, a 41-steering mechanism, a 51-grain receiving hopper, a 52-grain throwing head, a 53-truss, a 54-fixed belt, a 55-movable belt, a 61-ventilating window, a 71-grain discharging hopper, a 211-sieve box, a 212-vibrator, a 213-coarse sieve surface, a 214-fine sieve surface, a 215-collecting plate, a 216-large impurity outlet, a 217-fine impurity outlet, a 218-camera, a 219-weighting device, a 221-winnowing device, a 222-dust removal fan, a 223-air separation drum, a 224-spiral discharging mechanism, a 331-rotating shaft and a 332-turning plate.
Detailed Description
The invention is further described below with reference to the accompanying drawings.
In the present invention, directional terms such as up, down, left, right, front, rear, and azimuth are used to facilitate the description of the relative positional relationship between the members, and are not meant to refer specifically to the absolute position of the relative member or the inter-member relationship, but are used only to explain the relative positional relationship, movement, and the like between the members in a specific posture, and if the specific posture is changed, the directional terms are changed accordingly. In the present invention, the terms "plurality", "a plurality" and the like refer to two or more.
As shown in fig. 1 and 2, the grain cleaning and warehousing integrated equipment for the horizontal warehouse comprises a grain feeding mechanism, a cleaning mechanism, a lifting mechanism and a warehousing mechanism which are sequentially arranged according to the grain trend;
the grain feeding mechanism comprises a temporary storage hopper 1;
the cleaning mechanism comprises a cleaning screen 2, and the temporary storage hopper 1 is arranged above a feed inlet of the cleaning screen 2;
the lifting mechanism comprises a second lifting machine 3 arranged at the discharge end of the cleaning screen 2, a feed inlet at the bottom of the second lifting machine 3 is in butt joint with the discharge outlet of the cleaning screen 2, and the discharge outlet at the top of the second lifting machine 3 is led to the warehousing mechanism through a movable grain unloading channel 31;
the mechanism of putting into a cabin is set up in clearance sieve 2 top through lifting support 4, and the mechanism of putting into a cabin includes telescopic putting into a cabin 5, and the size of putting into a cabin 5 satisfies the ventilation window 61 that can stretch into the flat house 6, the feed end of putting into a cabin 5 is equipped with and connects grain fill 51, and the discharge end is equipped with throws grain head 52, unload grain passageway 31 and connect grain fill 51 dock mutually.
Wherein, the overall structure of the temporary storage hopper 1 and the cleaning screen 2 is similar to the prior art. The second elevator 3 adopts a bucket elevator, and occupies a smaller space in the horizontal direction than the conventional inclined conveyor. The lifting support 4 is used for adjusting the height of the warehouse entering machine 5 so as to adapt to the bungalow 6 and the ventilation windows 61 with different heights. The warehousing machine 5 is similar to a traditional cabin supplementing machine, except that the warehousing machine 5 and the cleaning screen 2 are integrated together, so that the weight of the cleaning screen 2 can meet the balance requirement of the warehousing machine 5, the counterweight does not need to be added at the tail of the cabin supplementing machine, and the structure is simpler. Since the loading machine 5 needs to move along with the lifting bracket 4, the grain discharging channel 31 needs to be arranged in a movable structure, such as a flexible corrugated pipe as the grain discharging channel 31. In addition, when the warehouse entry machine 5 stretches into the ventilation window 61, a set of visual control system is needed to control the movement of the whole equipment, the lifting of the lifting support 4, the rotation and the stretching of the warehouse entry machine 5 and the like, so that the warehouse entry machine 5 can stretch into the ventilation window 61 stably. The grain throwing head 52 is a belt conveyor with high conveying speed and can throw grains out quickly, so that the grain throwing range is enlarged, and grains can fall to the middle area of the bungalow 6. In the grain loading process, one device can be moved to load grains from the plurality of ventilation windows 61 in sequence, and a plurality of devices can be adopted to load grains from the plurality of ventilation windows 61 at the same time, so that compared with the existing grain loading mode, the frequency of the mobile device and a flat bin can be reduced, and the grain loading efficiency is higher and safer.
The grain is unloaded from the freight train and is generally carried to the pan feeding mouth of clearance sieve 2 through the tilting conveyor after, in order to make compact structure further, advance grain mechanism still includes first lifting machine 7, and first lifting machine 7 is bucket elevator too, and the discharge gate at first lifting machine 7 top interfaces with the top entry of temporary storage bucket 1, and the pan feeding mouth department of first lifting machine 7 bottom is equipped with unloads grain bucket 71. The grain unloading hopper 71 has a size which meets the width requirement of a common truck or container, and grains can directly enter the grain unloading hopper 71 when unloaded from the truck or container and then enter the temporary storage hopper 1 through the first lifting machine 7.
In order to meet the requirement of unloading grains of some trucks without unloading functions, the invention is provided with a grain unloading mechanism in front of the grain unloading hopper 71, as shown in fig. 2, the grain unloading mechanism comprises a hydraulic turning plate 8, and the hydraulic turning plate 8 can enable the trucks positioned on the hydraulic turning plate 8 to pour grains into the grain unloading hopper 71 when turning over.
The grain is generally subjected to the sampling inspection before being put in storage, and according to the impurity content data obtained by the sampling inspection, the requirements of putting in storage after the grain is cleaned once can be met by setting various parameters of the cleaning sieves 2, so that the grain can be directly loaded through the lifting mechanism and the putting in storage mechanism after only one cleaning sieve 2 is arranged for cleaning the impurity. However, the problem that the impurity content of the grains is uneven or the data of the skewing detection is inaccurate is considered, so that the impurity content of the grains in the warehouse is higher. Therefore, a further scheme is that an impurity detection system is arranged on the cleaning mechanism, a grain returning channel 32 is arranged at the discharge hole of the second lifting machine 3, the grain returning channel 32 and the grain discharging channel 31 are connected with the discharge hole of the second lifting machine 3 through a channel converter 33, the grain returning channel 32 is led to the temporary storage hopper 1, the impurity detection system controls the channel converter 33 by detecting the impurity condition passing through the cleaning screen 2, so that the discharge hole of the second lifting machine 3 is communicated with the grain returning channel 32 or the grain discharging channel 31, and meanwhile, the feeding speed of the temporary storage hopper 1 is controlled.
The impurity detection system is utilized to judge the impurity content of the sieved grains, and the channel converter 21 at the discharge port of the second lifting machine 3 is controlled to be communicated with different channels, so that the purposes that grains with the impurity content reaching the standard enter the grain receiving hopper 51 of the warehouse entering machine 5 through the grain unloading channel 31 and grains with the impurity content not reaching the standard return to the temporary storage hopper 1 through the grain returning channel 32 for secondary cleaning are realized. When the impurity detection system detects that the impurity content of the grain is higher, the screening effect can be improved by reducing the feeding speed of the cleaning screen 2 and adjusting other matched parameters. After the impurity detection system recognizes that the impurity content is qualified, the speed can be properly increased, and meanwhile, the grains between the cleaning screen 2 and the grain receiving hopper 51 are not completely qualified, so that a period of time is reserved, and the like, the grains enter the grain returning channel 32 and then the channel converter 33 is switched, so that the grains enter the grain discharging channel 31. In the process, after multiple times of adjustment of the system, a proper feeding speed is finally obtained, and according to the feeding speed, the cleaning requirement can be met by cleaning for one time, so that the purpose of self-adaptive controllable grain impurity cleaning is realized.
As shown in fig. 4, for the channel converter 33, the scheme adopted by the invention is that the channel converter 33 comprises a rotating shaft 331 arranged at the connection part of the grain returning channel 32 and the grain discharging channel 31 and a driver for driving the rotating shaft 331 to rotate, wherein a turning plate 332 is arranged on the rotating shaft 331, and the turning plate 332 can block the grain returning channel 32 while opening the grain discharging channel 31 or block the grain discharging channel 31 while opening the grain returning channel 32 when rotating along with the rotating shaft 331. The driver is not shown in the drawing, and a motor or an electromagnet can be used to drive the rotating shaft to rotate. When the turning plate 332 rotates to the left and contacts with the inner wall of the channel, the discharging hole communicated with the grain unloading channel 31 is closed, and the discharging hole communicated with the grain returning channel 32 at the other side is opened; conversely, when the flap 332 is turned to the right and contacts the inner wall of the channel, the discharge port communicating with the return channel 32 is closed and the other side is opened communicating with the discharge channel 31.
As shown in fig. 3 and 5, the screen body 21 of the cleaning screen 2 comprises a screen box 211, a vibrator 212 positioned on the outer wall of the screen box 211, and a screen surface positioned in the screen box 211, wherein the screen surface comprises an upper coarse screen surface 213, a middle fine screen surface 214 and a lower collecting plate 215, the coarse screen surface 213 and the collecting plate 215 are respectively inclined towards the left side and the right side of the screen body 21, the grain size of the screened grain is smaller than the sieve mesh of the coarse screen surface 213 and larger than the sieve mesh of the fine screen surface 214, and a large impurity outlet 216 and a fine impurity outlet 217 which are respectively butted with the lower ends of the coarse screen surface 213 and the collecting plate 215 are arranged on the side surface of the discharge end of the screen box 211; the impurity detection system comprises a camera 218 and a weighing device 219, wherein the camera 218 is positioned at the top of the screen box 211, the impurity quantity positioned on the coarse screen surface 213 is identified through an image, and the weighing device 219 comprises two weighing devices which are respectively positioned below the large impurity outlet 216 and the fine impurity outlet 217.
The screening process of the impurities is as follows: after the grains enter the screen body 21, large impurities with larger volume can be left on the coarse screen surface 213, grains and fine impurities with smaller volume can fall onto the fine screen surface 214 through the screen holes of the coarse screen surface 213, and meanwhile, the fine impurities can fall onto the collecting plate 215 through the screen holes of the fine screen surface 214. Because the coarse screening surface 213 and the collecting plate 215 are inclined to the left and right sides of the screen 21, respectively, and the screen 21 is also inclined from the feed end to the discharge end, the large and fine impurities are collected and discharged to both sides of the discharge end of the screen box 211 by the vibrator 212, and separated from the grain in the middle.
The detection process of the impurity content is as follows: since the grains fall onto the fine screen surface 214 quickly after reaching the coarse screen surface 213, almost all impurities remain on the coarse screen surface 213, and thus the pixel area formed by the outline of the impurities can be easily recognized by using the image recognition technique, thereby judging the amount of the impurities. The weighing machine 219 is provided with a time-counting recording function for recording the weight of the impurity increase in each time period according to the set continuous time period. During detection, the ratio of the total weight of the large impurities and the fine impurities to the weight of the material passing through the screen 21 in a period of time and the image of the large impurities can be recorded to judge whether the impurity content reaches the standard; or directly judging whether the impurity content reaches the standard by recording the increase of the large impurity and the fine impurity in unit time and the image of the large impurity. The first mode needs to record the weight of the grain, can be estimated according to the type of the grain, the grain flow rate and the elapsed time, and can also calculate the weight of the grain by setting a weight sensor to record the impact force and the action time when the grain enters the screen 21 or leaves the screen 21. The second mode needs to train the system in a large model in advance, tests are conducted on grains with different impurity contents and different feeding speeds according to different types of grains, the weight of the impurity increase in the unit time corresponding to the qualified impurity content of the grains is recorded and used as a threshold value, in the actual cleaning process, the weight of the impurity increase in the unit time exceeds the threshold value, the impurity content exceeds the standard, the cleaning is needed again, and otherwise, the impurity content is qualified.
In order to make the overall scheme more complete, the invention also provides the following preferable schemes:
in order to reduce dust pollution, grains are conveniently sent to the second lifting machine 3, the cleaning screen 2 further comprises a winnowing sedimentation mechanism 22 and a belt conveyor 23, the winnowing sedimentation mechanism 22 comprises a winnowing device 221, a dust removing fan 222 and an ash gas separating cylinder 223 which are sequentially connected, the winnowing device 221 is positioned at a discharge port of the screen body 21, a spiral discharge mechanism 224 is arranged at a bottom outlet of the ash gas separating cylinder 223, the belt conveyor 23 is positioned below the winnowing sedimentation mechanism 22, a feed end of the belt conveyor 23 is positioned below a discharge end of the screen body 21, and a feed port of the second lifting machine 3 is in butt joint with the discharge end of the belt conveyor 23; a dust suppression and homogenizing hopper 24 capable of controlling the feeding speed is arranged between the temporary storage hopper 1 and the feeding port of the screen body 21, and an air pipe 25 is arranged at the top of the dust suppression and homogenizing hopper 24 and is connected with a dust removal fan 222. The dust suppression and homogenizing hopper 24 has the functions of controlling dust raising, homogenizing and controlling feeding speed so as to better control the feeding speed of grains.
In order to ensure the stability of the structure of the lifting support 4, the lifting support 4 is preferably a diamond hydraulic lifting support, the bottom of the lifting support 4 is connected with the frame 26 of the cleaning screen 2, and the top of the lifting support 4 is connected with the warehouse-in machine 5 through a steering mechanism 41. The steering mechanism 41 may take the form of a motor and gear wheel, and the system may rotate the binner 5 as required when the device is moved and ready for windowing.
For the warehouse entering machine 5, the whole structure is similar to that of the existing telescopic belt conveyor, but the design is required according to the size of the ventilating window 61 of the bungalow warehouse 6, the warehouse entering machine mainly comprises a truss 53, a fixed belt 54 and a movable belt 55, wherein the fixed belt 54 and the movable belt 55 are positioned in the truss 53, the movable belt 55 is positioned below the fixed belt 54, and a rack of the movable belt 55 can slide and stretch along the length direction of the truss 53 under the action of a driver. The sliding connection of the movable belt 55 to the truss 53, not shown in the drive figures, may take a form similar to a travelling crane.
In order to change the grain throwing direction, the grain throwing head 52 can be rotatably arranged below the discharging end of the movable belt 55. The grain throwing head 52 can be provided with a camera, the system can adjust the grain throwing direction and grain throwing speed of the grain throwing head 52 according to the grain loading condition in the horizontal warehouse 6, grain is filled in the concave part, the horizontal warehouse work of workers is reduced, and the loading efficiency is improved.
Claims (10)
1. Grain cleaning and warehousing integrated equipment for horizontal warehouse, and is characterized in that:
comprises a grain feeding mechanism, a cleaning mechanism, a lifting mechanism and a warehousing mechanism which are sequentially arranged according to the grain trend;
the grain feeding mechanism comprises a temporary storage hopper (1);
the cleaning mechanism comprises a cleaning screen (2), and the temporary storage hopper (1) is arranged above a feed inlet of the cleaning screen (2);
the lifting mechanism comprises a second lifting machine (3) arranged at the discharge end of the cleaning screen (2), a feed inlet at the bottom of the second lifting machine (3) is in butt joint with the discharge outlet of the cleaning screen (2), and the discharge outlet at the top of the second lifting machine (3) is led to the warehousing mechanism through a movable grain discharging channel (31);
the mechanism of entering a warehouse sets up in clearance sieve (2) top through lifting support (4), and the mechanism of entering a warehouse includes telescopic entering a warehouse machine (5), and the size of entering a warehouse machine (5) satisfies ventilation window (61) that can stretch into bungalow storehouse (6), the feed end of entering a warehouse machine (5) is equipped with and connects grain fill (51), and the discharge end is equipped with throws grain head (52), unload grain passageway (31) and connect grain fill (51) butt joint mutually.
2. The grain cleaning and warehousing integrated equipment for the bungalow as claimed in claim 1, wherein: the grain feeding mechanism further comprises a first lifting machine (7), a discharge hole at the top of the first lifting machine (7) is in butt joint with a top inlet of the temporary storage hopper (1), and a grain discharging hopper (71) is arranged at a feed inlet at the bottom of the first lifting machine (7).
3. The grain cleaning and warehousing integrated equipment for the bungalow as claimed in claim 2, wherein: the front of the grain unloading hopper (71) is provided with a grain unloading mechanism, the grain unloading mechanism comprises a hydraulic turning plate (8), and the hydraulic turning plate (8) can enable a truck positioned on the hydraulic turning plate (8) to pour grains into the grain unloading hopper (71) when the hydraulic turning plate (8) turns over.
4. The grain cleaning and warehousing integrated equipment for the bungalow as claimed in claim 1, wherein: the cleaning mechanism further comprises an impurity detection system, a grain returning channel (32) is further arranged at the discharge hole of the second lifting machine (3), the grain returning channel (32) and the grain discharging channel (31) are connected with the discharge hole of the second lifting machine (3) through a channel converter (33), the grain returning channel (32) is led to the temporary storage hopper (1), the impurity detection system controls the channel converter (33) by detecting the impurity condition passing through the cleaning screen (2), so that the discharge hole of the second lifting machine (3) is communicated with the grain returning channel (32) or the grain discharging channel (31), and meanwhile the feeding speed of the temporary storage hopper (1) is controlled.
5. The grain cleaning and warehousing integrated equipment for the bungalow as claimed in claim 4, wherein: the channel converter (33) comprises a rotating shaft (331) arranged at the connection part of the grain returning channel (32) and the grain discharging channel (31) and a driver for driving the rotating shaft (331) to rotate, wherein the rotating shaft (331) is provided with a turning plate (332), and the turning plate (332) can shield the grain returning channel (32) when rotating along with the rotating shaft (331), simultaneously open the grain discharging channel (31) or shield the grain discharging channel (31), and simultaneously open the grain returning channel (32).
6. The grain cleaning and warehousing integrated equipment for the bungalow as claimed in claim 4, wherein: the screen body (21) of the cleaning screen (2) comprises a screen box (211), a vibrator (212) positioned on the outer wall of the screen box (211) and a screen surface positioned in the screen box (211), wherein the screen surface comprises an upper coarse screen surface (213), a middle fine screen surface (214) and a lower collecting plate (215), the coarse screen surface (213) and the collecting plate (215) are respectively inclined towards the left side and the right side of the screen body (21), the grain to be screened is smaller than the mesh of the coarse screen surface (213) and larger than the mesh of the fine screen surface (214), and a large impurity outlet (216) and a fine impurity outlet (217) which are respectively in butt joint with the lower ends of the coarse screen surface (213) and the collecting plate (215) are arranged on the side face of the discharge end of the screen box (211); the impurity detection system comprises a camera (218) and a weighing device (219), wherein the camera (218) is positioned at the top of the screen box (211), the impurity quantity positioned on the coarse screen surface (213) is identified through an image, and the weighing device (219) comprises two weighing devices which are respectively positioned below the large impurity outlet (216) and the fine impurity outlet (217).
7. The grain cleaning and warehousing integrated equipment for the bungalow as claimed in claim 6, wherein: the cleaning sieve (2) further comprises a winnowing sedimentation mechanism (22) and a belt conveyor (23), wherein the winnowing sedimentation mechanism (22) comprises a winnowing device (221), a dust removing fan (222) and an ash gas separating cylinder (223) which are sequentially connected, the winnowing device (221) is positioned at a discharge port of the sieve body (21), a spiral discharge mechanism (224) is arranged at a bottom outlet of the ash gas separating cylinder (223), the belt conveyor (23) is positioned below the winnowing sedimentation mechanism (22), a feed end of the belt conveyor (23) is positioned below a discharge end of the sieve body (21), and a feed port of the second elevator (3) is in butt joint with the discharge end of the belt conveyor (23); the dust suppression and homogenizing hopper (24) capable of controlling the feeding speed is arranged between the temporary storage hopper (1) and the feeding port of the screen body (21), and an air pipe (25) is arranged at the top of the dust suppression and homogenizing hopper (24) and is connected with a dust removal fan (222).
8. The grain cleaning and warehousing integrated equipment for the bungalow as claimed in claim 1, wherein: the lifting support (4) is a diamond-shaped hydraulic lifting support, the bottom of the lifting support (4) is connected with a frame (26) of the cleaning screen (2), and the top of the lifting support (4) is connected with the warehouse entering machine (5) through a steering mechanism (41).
9. The grain cleaning and warehousing integrated equipment for the bungalow as claimed in claim 8, wherein: the warehouse entry machine (5) comprises a truss (53), a fixed belt (54) and a movable belt (55) which are arranged in the truss (53), wherein the movable belt (55) is arranged below the fixed belt (54), and a rack of the movable belt (55) can slide and stretch along the length direction of the truss (53) under the action of a driver.
10. The grain cleaning and warehousing integrated equipment for the bungalow as claimed in claim 9, wherein: the grain throwing head (52) is a belt conveyor which is rotatably arranged on a frame below the discharge end of the movable belt (55).
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| CN202410246006.0A CN117842727B (en) | 2024-03-05 | 2024-03-05 | Grain cleaning and warehousing integrated equipment for horizontal warehouse |
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| CN202410246006.0A CN117842727B (en) | 2024-03-05 | 2024-03-05 | Grain cleaning and warehousing integrated equipment for horizontal warehouse |
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| CN117842727B (en) | 2024-06-04 |
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