CN112394004A - Automatic measurement system and measurement method for grain volume weight of large-scale grain depot - Google Patents
Automatic measurement system and measurement method for grain volume weight of large-scale grain depot Download PDFInfo
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- CN112394004A CN112394004A CN202011099079.XA CN202011099079A CN112394004A CN 112394004 A CN112394004 A CN 112394004A CN 202011099079 A CN202011099079 A CN 202011099079A CN 112394004 A CN112394004 A CN 112394004A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N9/00—Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity
- G01N9/02—Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity by measuring weight of a known volume
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01G—WEIGHING
- G01G17/00—Apparatus for or methods of weighing material of special form or property
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N9/00—Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity
- G01N9/02—Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity by measuring weight of a known volume
- G01N2009/022—Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity by measuring weight of a known volume of solids
- G01N2009/024—Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity by measuring weight of a known volume of solids the volume being determined directly, e.g. by size of container
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
- Y02A40/51—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture specially adapted for storing agricultural or horticultural products
Abstract
The embodiment of the invention discloses an automatic measurement system and a measurement method for grain volume weight of a large-scale grain depot, which comprises a grain bin, a walking frame, a grain taking device and a weighing device, wherein the walking frame is arranged in the grain bin to form a longitudinal and transverse walking track on the top of the grain bin, the grain taking device comprises a motion mechanism and a container, the motion mechanism drives the container to be at least at five measuring point positions along the walking track to sequentially sample grain, the weighing device comprises a grain tank and a weight sensor, the motion mechanism drives the container to loft the grain tank, the weight sensor weighs the grain in the grain tank for 3-5 times, the average value is obtained, and the measured average value is returned to a main control terminal. The invention does not need manual weight measurement, leads the measuring process to be more convenient and faster, reduces the injury risk of personnel in the measuring process, simultaneously combines with the internet technology, leads the data arrangement to be clearer and simpler, has wider and more comprehensive range of involvement, and is convenient for the subsequent centralized processing and further utilization.
Description
Technical Field
The embodiment of the invention relates to the technical field of grain depot inspection, in particular to an automatic measuring system and a measuring method for grain volume weight of a large-scale grain depot.
Background
The local grain depot is researched, and the grain volume weight of the current grain depot is usually determined by a 1 cubic meter wooden box weighing method. The height of the large-scale grain depot is generally 6-12 meters, and a wooden box and a heavy electronic scale are required to be lifted to the top of the grain depot from an external stair for each measurement, and the manual grain loading and weighing measurement are carried out. Taking the measurement of the volume weight of grain in a grain depot of 50m × 24m × 6m as an example, 2 workers usually hold shovels and sacks respectively, sample the grain depot at points 5-7cm below the top surface of the grain depot, and then pour the grain depot back and forth into a wooden box, and work back and forth for 6-7 times, wherein about 5 minutes is consumed after the grain depot is taken once, and at least 30 minutes is consumed after the wooden box is filled once. After the wooden box is full, the 3 rd worker looks and counts, the average value is obtained by repeated measurement for 3-5 times, and the whole measurement process is about two hours.
For the measurement of volume weight in traditional grain situation detection, at least 3 workers need to be consumed, wherein 2 workers need to lift heavy tools to the top of a granary and also need to manually and repeatedly sample and load grains, and each grain volume weight measurement consumes long time, and has the advantages of low labor efficiency, high intensity and rough and original metering means.
Disclosure of Invention
Therefore, the embodiment of the invention provides an automatic measuring system and a measuring method for grain volume weight of a large-scale grain depot, and aims to solve the problems of long measuring time and low labor efficiency caused by manual grain loading and weighing measurement in the prior art.
In order to achieve the above object, the embodiments of the present invention provide the following technical solutions:
according to a first aspect of an embodiment of the present invention, an automatic measurement system for volume weight of grains in a large-scale grain depot comprises:
the granary is used for arranging grains inside;
the walking frame is arranged in the granary to form a longitudinal walking rail and a transverse walking rail at the top of the granary;
the grain taking device comprises a movement mechanism and a container, the movement mechanism comprises a shell, and a walking assembly and a lifting assembly which are arranged on the shell, the walking assembly is mounted on a walking frame and moves to a measuring point position along a walking track, the container is arranged below the shell and is connected with the shell through the lifting assembly, and grains are sampled and transported in sequence at least five measuring point positions in a lifting mode;
the weighing device comprises a grain tank and a weight sensor, the grain tank is of a box body structure with an opening in the top surface and is fixed on the wall of the grain bin, the weight sensor is installed at the bottom of the grain tank to acquire weight data of grains in the grain tank and upload the weight data to the main control terminal based on a communication transmission mode, and the movement mechanism is remotely controlled by the main control terminal in a communication connection mode.
Furthermore, the walking frame comprises two longitudinal walking frames and two transverse walking frames, the two longitudinal walking frames are oppositely arranged on two sides of the granary, a longitudinal walking rail is formed at the top of the granary, the two transverse walking frames are arranged in parallel and are erected between the two longitudinal walking frames, a transverse walking rail is formed at the top of the granary, a gap for erecting the movement mechanism is formed between the two transverse walking frames, and two ends of each transverse walking frame are connected to the walking rail of the longitudinal walking frame through the driving assembly in a sliding mode.
Further, drive assembly includes slider, action wheel, follows driving wheel and first motor, the slider is the opening towards the orbital long structure of C type of walking, the action wheel all sets up at the C type inslot of slider with from the driving wheel to rotate the both ends of connecting at the slider through the pivot respectively, set up on the walking track of vertical line frame with sliding, first motor rigid coupling in the outer wall of slider, and the output shaft of first motor is connected with the pivot of action wheel, wherein, the tip rigid coupling of horizontal line frame in the outer wall of slider.
Further, the walking subassembly includes two walking wheels and two shaft motor, two the walking wheel is set up in the casing both sides relatively, shaft motor installs in the inside of casing, and two output shafts of shaft motor connect two walking wheels respectively in succession to two walking wheels slide respectively and set up on the walking track of two horizontal framves, wherein, have two sets of walking subassemblies of parallel by preceding to the back arrangement in the casing.
Further, the lifting component comprises a steel cable, a roller and a second motor, the roller is installed in the shell, the second motor is fixedly connected to the outer wall of the shell, the output end of the second motor is connected with the roller, one end of the steel cable is connected to the wall of the roller in a winding mode, the other end of the steel cable is connected with the container below the shell, two steel cables are arranged on the roller, two sets of parallel lifting components are arranged in the shell from front to back, a telescopic sleeve is sleeved outside the steel cable, one end of the telescopic sleeve is fixedly connected to the bottom of the shell, and the other end of the telescopic sleeve is hinged to the shell of the container in a pin connection mode.
Furthermore, the container is of a box structure with an opening on one side, the opening of the container is an oblique opening with the area of the bottom surface of the container larger than that of the top surface of the container, a poking plough is arranged on the front side of the opening of the container, a bending rod is arranged between the poking plough and the container, one end of the bending rod is fixedly connected to the top inner wall of the container, and the other end of the bending rod is connected with the poking plough.
Furthermore, the walking frame is arranged far away from the wall of the granary, so that the area surrounded by the walking frame forms a grain storage area, a distance is arranged between the longitudinal walking track formed by the walking frame and the wall of the granary, the grain tank is fixed on the inner wall of the granary through a screw transmission mechanism, the spiral transmission mechanism comprises a base, a sliding seat, a screw rod and a third motor, the base is horizontally and fixedly connected on the inner bin wall of the granary, the sliding seat is connected with the upper seat surface of the base in a sliding way, one end of the screw rod is rotatably connected with the inner bin wall of the granary, the other end of the screw rod is connected in the sliding seat in a threaded connection way, the third motor is fixedly connected with the bin wall of the granary, the output end of the third motor is connected with the screw rod, the grain tank is fixed on the upper seat surface of the sliding seat, the third motor drives the grain tank to move to the grain storage area, and inner folds arranged in the direction vertical to the base are formed on the two side walls of the grain tank.
According to a second aspect of the embodiment of the invention, an automatic volume weight measuring method adopts the automatic volume weight measuring system for the grains in the large-scale grain depot, and comprises the following steps:
s1, the main control terminal controls the traveling assembly to drive the container to move to the measuring point position according to a preset procedure, and controls the lifting assembly to drive the container to sample the grain at the measuring point position;
s2, repeating the step S1 at least five times to control the container to sample at least five different measuring point positions in sequence;
s3, after sampling is finished, controlling the container to move to the upper part of the grain box, and controlling the lifting assembly to drive the container to loft the grain box;
and S4, after the container is lofted, weighing the grains in the grain bin for 3-5 times by the weight sensor according to a preset program, calculating a mean value, and returning the measured mean value to the main control terminal.
Further, the volume-weight automatic measurement method further includes: by arranging the photoelectric sensor at the opening of the grain bin, whether the grain bin is full of samples or not is judged firstly in the container lofting process of the step S4, and after the fact that the grain bin is full of the samples is confirmed, the grain in the grain bin is weighed by the weight sensor.
Further, the volume-weight automatic measurement method further includes: the method comprises the steps that a plurality of grain warehouses are arranged, a set of volume weight automatic measuring system is arranged in each grain warehouse, a main server is erected, the main server is in communication connection with a main control terminal of each set of volume weight automatic measuring system to form a local area communication network, the main control terminal in each grain warehouse uploads measured weighing values to the main server, and the main server performs mean value calculation and data analysis according to the weighing values uploaded by each grain warehouse.
The embodiment of the invention has the following advantages: through arranging the walking frame in the granary, arrange on the walking frame and get grain device, make the container constitute vertical and horizontal walking rail along the top of granary and remove and take a sample to the measurement station position, and set up weighing device, weigh to the sample, need not artifical check weighing, effectively save the labour, make the measurement process convenient more, reduce the injured risk of personnel in the measurement process, combine together with internet technology simultaneously, upload to main control terminal with weight data by the weight sensor data, make the data arrangement more clear succinct, it is wider more comprehensive to relate to the scope, centralized processing and further utilization after convenient.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.
The structures, ratios, sizes, and the like shown in the present specification are only used for matching with the contents disclosed in the specification, so that those skilled in the art can understand and read the present invention, and do not limit the conditions for implementing the present invention, so that the present invention has no technical significance, and any structural modifications, changes in the ratio relationship, or adjustments of the sizes, without affecting the functions and purposes of the present invention, should still fall within the scope of the present invention.
Fig. 1 is a schematic view of the overall structure of an automatic measurement system for volume weight of grains in a large-scale grain depot according to an embodiment of the present invention;
FIG. 2 is a top view of an automatic measurement system for bulk grain depot bulk density according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a driving assembly of an automatic measuring system for grain bulk weight of a large-scale grain depot according to an embodiment of the present invention;
fig. 4 is a schematic diagram of an internal structure of a driving assembly of an automatic measuring system for grain bulk weight of a large-scale grain depot according to an embodiment of the present invention;
fig. 5 is a schematic structural diagram of a grain fetching device of the automatic measuring system for grain volume weight of the large-scale grain depot according to the embodiment of the invention;
fig. 6 is a schematic structural diagram of a screw transmission mechanism of an automatic measurement system for grain bulk weight of a large-scale grain depot according to an embodiment of the present invention.
In the figure: 1. a granary; 2. a walking frame; 21. a longitudinal truss; 22. transversely moving the frame; 23. a drive assembly; 231. a slider; 232. a driving wheel; 233. a driven wheel; 234. a first motor; 3. a grain fetching device; 31. a motion mechanism; 311. a housing; 312. a walking assembly; 3121. a traveling wheel; 3122. a double-shaft motor; 313. a lifting assembly; 3131. a steel cord; 3132. a drum; 3133. a second motor; 3134. a telescopic sleeve; 32. a container; 33. pulling the plough; 34. a bending rod; 4. a weighing device; 41. a grain bin; 42. a weight sensor; 5. a screw drive mechanism; 51. a base; 52. a sliding seat; 53. a screw.
Detailed Description
The present invention is described in terms of particular embodiments, other advantages and features of the invention will become apparent to those skilled in the art from the following disclosure, and it is to be understood that the described embodiments are merely exemplary of the invention and that it is not intended to limit the invention to the particular embodiments disclosed. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
As shown in fig. 1 and 2, an embodiment of the present invention provides an automatic measurement system for grain bulk weight of a large-scale grain depot, including a grain depot 1, a walking frame 2, a grain-taking device 3 and a weighing device 4, which are specifically configured as follows:
Referring to fig. 3 and 4, the driving assembly 23 includes a sliding block 231, a driving wheel 232, a driven wheel 233 and a first motor 234, the sliding block 231 is a C-shaped long strip structure with an opening facing the traveling track, the driving wheel 232 and the driven wheel 233 are both disposed in a C-shaped groove of the sliding block 231 and rotatably connected to two ends of the sliding block 231 through a rotating shaft respectively so as to be slidably disposed on the traveling track of the longitudinal traveling frame 21, the first motor 234 is fixedly connected to an outer wall of the sliding block 231, an output shaft of the first motor 234 is connected to the rotating shaft of the driving wheel 232, the driving wheel is driven by the driving of the first motor 234 to slide on the traveling track so as to drive the sliding block 231 to slide on the longitudinal traveling frame 21, an end of the transverse traveling frame 22 is fixedly connected to the outer wall of the sliding block 231, so that the transverse traveling frame 22 reciprocates in the longitudinal direction on the longitudinal traveling frame 21 under the action of the first motor 234, preferably, ends of two transverse traveling frames 22 on the same, the two transverse carriages 22 are moved synchronously.
Referring to fig. 2 and 5, the grain fetching device 3 includes a movement mechanism 31 and a container 32, the movement mechanism 31 includes a housing 311, and a traveling assembly 312 and a lifting assembly 313 (refer to fig. 4) disposed on the housing, the traveling assembly 312 is mounted on the transverse traveling frame 22 of the traveling frame 1 to move to a measuring point position along a traveling track of the transverse traveling frame 22, specifically, the traveling assembly 312 includes two traveling wheels 3121 and a two-axis motor 3122, the two traveling wheels 3121 are oppositely disposed on two sides of the housing 311, the two-axis motor 3122 is mounted inside the housing 311, and two output shafts of the two-axis motor 3122 are respectively connected to the two traveling wheels 3121, and the two traveling wheels 3121 are respectively slidably disposed on the traveling tracks of the two transverse traveling frames 22. Preferably, in the housing 311, two sets of running assemblies 312 are arranged in parallel in the front-to-rear direction, running by four wheels, so that the running assemblies 312 can be stably moved on the two lateral racks 22 to adjust the positions of the running assemblies 312 in the lateral direction. Meanwhile, the two transverse traveling frames 22 are combined to synchronously move on the longitudinal traveling frame 21, so that the traveling assembly 312 can be driven to move longitudinally, and the position of the traveling assembly 312 in the longitudinal direction can be adjusted.
The container 32 is a box structure with an opening on the front side, is arranged below the shell 311, and is connected with the shell 311 through a lifting component 313, so that the grain is sampled and transported in sequence at least five measuring points in a lifting mode. Wherein, the opening of the container 32 is an oblique opening with the area of the bottom surface of the container 32 larger than that of the top surface, so that the container 32 can be used for sampling. Preferably, a poking plough 33 is arranged on the front side of the opening of the container 32, a bending rod 34 is arranged between the poking plough 33 and the container 32, one end of the bending rod 34 is fixedly connected to the top inner wall of the container 32, the other end of the bending rod is connected with the poking plough 33, and the poking plough 33 is arranged in front of the container 32, so that the container 32 can be conveniently poked to load grains on the surface in the sampling process.
As described above, the lifting assembly 313 includes the cable 3131, the roller 3132 and the second motor 3133, the roller 3132 is installed in the housing 311, the second motor 3133 is fixed to the outer wall of the housing 311, the output end of the second motor 3133 is connected to the roller 3132, one end of the cable 3131 is connected to the wall of the roller 3132 by winding, and the other end is connected to the container 32 below the housing 311. Wherein, two steel cables 3131 are disposed on the drum 3132, two sets of parallel lifting components 313 are disposed in the housing 311 from front to back, the container 32 is lifted and lowered by four steel cables 3131 included in the two sets of lifting components 313 to ensure stable lifting and lowering of the container 32, and the container 32 is turned over by driving the two sets of lifting components 313 respectively, so as to incline the container 32 for sampling or lofting. Preferably, a telescopic bush 3134 is sleeved outside the steel cable 3131, one end of the telescopic bush 3134 is fixedly connected to the bottom of the housing 311, the other end of the telescopic bush 3134 is hinged to the outer shell of the container 32 by a pin, and the metal telescopic bush 3134 is sleeved outside the steel cable 3131 to improve the rigidity of the lifting assembly 313 and facilitate grain taking.
As shown in fig. 6, weighing device 4 includes grain tank 41 and weight sensor 42, and grain tank 41 is a box structure with an open top surface and is fixed on the wall of grain bin 1, and weight sensor 42 is installed at the bottom of grain tank 41 to obtain the weight data of the grain in grain tank 41, and uploads the weight data to the main control terminal based on the communication transmission mode, wherein the main control terminal may be a memory, a display screen or a remote computer, and motion mechanism 31 is remotely controlled by the main control terminal in the communication connection mode. Preferably, a photoelectric sensor is further disposed at the opening of the grain tank 41, so that in the process of lofting the container 32, the photoelectric sensor determines whether the grain tank 41 is full of the sample, and after it is determined that the grain tank 41 is full of the sample, the weight sensor 42 weighs the grain in the grain tank. Therefore, after the container 32 is sampled at more than five measuring points, the container is moved to the grain tank 41 for stocking, the weight sensor 42 is used for weighing the samples in the grain tank 41 for 3-5 times and calculating the average value, the device stops working, and the measured weight value is returned to the main control terminal.
As described above, since the observation position needs to be present in the grain bin 1, the walking frame 2 is usually disposed away from the bin wall of the grain bin 1, so that the region surrounded by the walking frame 2 forms a grain storage region, and further, a space exists between the longitudinal walking frame 21 of the walking frame 2 and the bin wall of the grain bin 1 (refer to fig. 2). Grain tank 41 is fixed in the interior bulkhead of granary 1 through screw drive 5, screw drive 5 includes base 51, sliding seat 52, screw rod 53 and third motor, the horizontal rigid coupling of base 51 is on the interior bulkhead of granary 1, sliding seat 52 sliding connection is in the upper seat face of base 51, the one end of screw rod 53 is rotated and is connected in the interior bulkhead of granary 1, the other end passes through threaded connection's mode and connects in sliding seat 52, third motor rigid coupling is in the bulkhead of granary 1, and the output of third motor is connected with screw rod 53, grain tank 41 is fixed in the upper seat face of sliding seat 52, it moves to the grain storage area to drive grain tank 41 with the third motor. Wherein, the two side walls of the grain tank 41 are both formed with inner folds arranged along the direction vertical to the base, so that the grain tank 41 can be folded when not in use, thereby reducing the occupied space in the granary 1.
According to the embodiment of the invention, the walking frame 2 is arranged in the granary 1, the grain taking device 3 is arranged on the walking frame 2, the container 32 forms a longitudinal walking track and a transverse walking track along the top of the granary 1, the longitudinal walking track and the transverse walking track sequentially move to at least five different measuring point positions for sampling, the weighing device is arranged, the samples are weighed for 3-5 times, the average value is obtained, and the data are fed back to the main control terminal for reading, so that manual weight measurement is not needed, the labor force is effectively saved, the measuring process is more convenient and fast, the injury risk of personnel in the measuring process is reduced, meanwhile, the integrated weighing system is combined with the Internet technology, the data arrangement is clearer and simpler, the related range is wider and more comprehensive, and the subsequent centralized processing and the further utilization are convenient.
Example 2
The embodiment of the invention provides an automatic volume weight measuring method, and the automatic volume weight measuring system for grains in a large-scale grain depot in the embodiment 1 comprises the following steps:
s1, the main control terminal controls the traveling component 312 to drive the container 32 to move to the measuring point position according to the preset procedure, and controls the lifting component 313 to drive the container 32 to sample the grain at the measuring point position;
s2, repeating the step S1 at least five times to control the container 32 to sample at least five different measuring point positions in sequence;
s3, after sampling is finished, controlling the container 32 to move to the upper part of the grain tank 41, and controlling the lifting component 313 to drive the container 32 to loft the grain tank 41;
s4, after the container 32 is lofted, the weight sensor 42 weighs the grains in the grain bin 41 for 3-5 times according to a preset program, and calculates the average value, and then returns the measured average value to the main control terminal.
In step S4, a photoelectric sensor may be disposed at the opening of the grain bin 41, so as to determine whether the grain bin 41 is full of the sample during the process of lofting the container 32, and after it is determined that the grain bin 41 is full of the sample, the grain in the grain bin 41 is weighed by the weight sensor 42.
Example 3
The difference from embodiment 2 is that an automatic volume-weight measurement method further includes: the method comprises the steps that a plurality of grain warehouses are arranged, a set of volume weight automatic measuring system is arranged in each grain warehouse, a main server is erected, the main server is in communication connection with a main control terminal of each set of volume weight automatic measuring system to form a local area communication network, the measured weighing values are uploaded to the main server by the main control terminal in each grain warehouse, and then mean value calculation and data analysis are carried out by the main server according to the weighing values uploaded by the grain warehouses, so that the weighing conditions of the grain warehouses can be monitored in a centralized mode.
Although the invention has been described in detail above with reference to a general description and specific examples, it will be apparent to one skilled in the art that modifications or improvements may be made thereto based on the invention. Accordingly, such modifications and improvements are intended to be within the scope of the invention as claimed.
Claims (10)
1. The automatic measuring system for the grain volume weight of the large-scale grain depot is characterized by comprising the following steps of:
the granary is used for arranging grains inside;
the walking frame is arranged in the granary to form a longitudinal walking rail and a transverse walking rail at the top of the granary;
the grain taking device comprises a movement mechanism and a container, the movement mechanism comprises a shell, and a walking assembly and a lifting assembly which are arranged on the shell, the walking assembly is mounted on a walking frame and moves to a measuring point position along a walking track, the container is arranged below the shell and is connected with the shell through the lifting assembly, and grains are sampled and transported in sequence at least five measuring point positions in a lifting mode;
the weighing device comprises a grain tank and a weight sensor, the grain tank is of a box body structure with an opening in the top surface and is fixed on the wall of the grain bin, the weight sensor is installed at the bottom of the grain tank to acquire weight data of grains in the grain tank and upload the weight data to the main control terminal based on a communication transmission mode, and the movement mechanism is remotely controlled by the main control terminal in a communication connection mode.
2. The automatic measurement system for the volume weight of grains in the large-scale grain depot according to claim 1, is characterized in that: the walking frame comprises two longitudinal walking frames and two transverse walking frames, the two longitudinal walking frames are oppositely arranged on two sides of the granary and form a longitudinal walking track at the top of the granary, the two transverse walking frames are arranged in parallel and erected between the two longitudinal walking frames and form a transverse walking track at the top of the granary, wherein a gap for erecting a movement mechanism is formed between the two transverse walking frames, and two ends of each transverse walking frame are connected to the walking track of the longitudinal walking frame through a driving assembly in a sliding mode.
3. The automatic measurement system for the volume weight of grains in the large-scale grain depot according to claim 2, is characterized in that: drive assembly includes slider, action wheel, follows driving wheel and first motor, the slider is the opening towards the orbital C type long structure of walking, the action wheel all sets up at the C type inslot of slider with following the driving wheel to rotate the both ends of connecting at the slider through the pivot respectively, set up on the walking track of vertical line frame with sliding, first motor rigid coupling is connected in the outer wall of slider, and the output shaft of first motor is connected with the pivot of action wheel, wherein, the tip rigid coupling of horizontal line frame is in the outer wall of slider.
4. The automatic measurement system for the volume weight of grains in the large-scale grain depot according to claim 2, is characterized in that: the walking subassembly includes two walking wheels and two-axis motor, two the walking wheel is relative setting in the casing both sides, two-axis motor installs in the inside of casing, and two output shafts of two-axis motor connect two walking wheels respectively to two walking wheels slide respectively and set up on the walking track of two horizontal framves, wherein, have two sets of walking subassemblies of parallel by preceding to after arranging in the casing.
5. The automatic measurement system for the volume weight of grains in the large-scale grain depot according to claim 1, is characterized in that: the lifting assembly comprises a steel cable, a roller and a second motor, the roller is installed in the shell, the second motor is fixedly connected to the outer wall of the shell, the output end of the second motor is connected with the roller, one end of the steel cable is connected to the wall of the roller in a winding mode, the other end of the steel cable is connected with the container below the shell, two steel cables are arranged on the roller, two sets of parallel lifting assemblies are arranged in the shell from front to back, a telescopic sleeve is sleeved outside the steel cable, one end of the telescopic sleeve is fixedly connected to the bottom of the shell, and the other end of the telescopic sleeve is hinged to the shell of the container in a pin connection mode.
6. The automatic measurement system for the volume weight of grains in the large-scale grain depot according to claim 1, is characterized in that: the container is of a box body structure with an opening on one side, the opening of the container is an oblique opening with the area of the bottom surface of the container larger than that of the top surface of the container, wherein a poking plough is arranged on the front side of the opening of the container, a bending rod is arranged between the poking plough and the container, one end of the bending rod is fixedly connected to the top inner wall of the container, and the other end of the bending rod is connected with the poking plough.
7. The automatic measurement system for the volume weight of grains in the large-scale grain depot according to claim 1, is characterized in that: the walking frame is arranged far away from the granary wall of the granary, so that the area surrounded by the walking frame forms a grain storage area, a distance is arranged between the longitudinal walking track formed by the walking frame and the wall of the granary, the grain tank is fixed on the inner wall of the granary through a screw transmission mechanism, the spiral transmission mechanism comprises a base, a sliding seat, a screw rod and a third motor, the base is horizontally and fixedly connected on the inner bin wall of the granary, the sliding seat is connected with the upper seat surface of the base in a sliding way, one end of the screw rod is rotatably connected with the inner bin wall of the granary, the other end of the screw rod is connected in the sliding seat in a threaded connection way, the third motor is fixedly connected with the bin wall of the granary, the output end of the third motor is connected with the screw rod, the grain tank is fixed on the upper seat surface of the sliding seat, the third motor drives the grain tank to move to the grain storage area, and inner folds arranged in the direction vertical to the base are formed on the two side walls of the grain tank.
8. An automatic volume weight measuring method, which adopts the automatic volume weight measuring system for grains in the large-scale grain depot according to any one of claims 1 to 7, and is characterized by comprising the following steps:
s1, the main control terminal controls the traveling assembly to drive the container to move to the measuring point position according to a preset procedure, and controls the lifting assembly to drive the container to sample the grain at the measuring point position;
s2, repeating the step S1 at least five times to control the container to sample at least five different measuring point positions in sequence;
s3, after sampling is finished, controlling the container to move to the upper part of the grain box, and controlling the lifting assembly to drive the container to loft the grain box;
and S4, after the container is lofted, weighing the grains in the grain bin for 3-5 times by the weight sensor according to a preset program, calculating a mean value, and returning the measured mean value to the main control terminal.
9. The automatic volume-weight measuring method according to claim 8, further comprising: by arranging the photoelectric sensor at the opening of the grain bin, whether the grain bin is full of samples or not is judged firstly in the container lofting process of the step S4, and after the fact that the grain bin is full of the samples is confirmed, the grain in the grain bin is weighed by the weight sensor.
10. The automatic volume-weight measuring method according to claim 8, further comprising: the method comprises the steps that a plurality of grain warehouses are arranged, a set of volume weight automatic measuring system is arranged in each grain warehouse, a main server is erected, the main server is in communication connection with a main control terminal of each set of volume weight automatic measuring system to form a local area communication network, the main control terminal in each grain warehouse uploads measured weighing values to the main server, and the main server performs mean value calculation and data analysis according to the weighing values uploaded by each grain warehouse.
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