CN112577798A - Multistage soil particle screening and homogenizing soil sample preparation platform - Google Patents
Multistage soil particle screening and homogenizing soil sample preparation platform Download PDFInfo
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- CN112577798A CN112577798A CN202011239178.3A CN202011239178A CN112577798A CN 112577798 A CN112577798 A CN 112577798A CN 202011239178 A CN202011239178 A CN 202011239178A CN 112577798 A CN112577798 A CN 112577798A
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- soil
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- homogenizing
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/28—Moving screens not otherwise provided for, e.g. swinging, reciprocating, rocking, tilting or wobbling screens
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/46—Constructional details of screens in general; Cleaning or heating of screens
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
- G01N1/286—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q involving mechanical work, e.g. chopping, disintegrating, compacting, homogenising
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
- G01N1/34—Purifying; Cleaning
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
- G01N1/38—Diluting, dispersing or mixing samples
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B2201/00—Details applicable to machines for screening using sieves or gratings
- B07B2201/04—Multiple deck screening devices comprising one or more superimposed screens
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- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
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- Engineering & Computer Science (AREA)
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- Sampling And Sample Adjustment (AREA)
Abstract
The invention discloses a multistage soil particle screening and homogenizing soil sample preparation table which comprises a multistage screening device, a soil homogenizing device and a soil sample preparation device, wherein the multistage screening device comprises a screen, a vibration spring, a power device, an eccentric block, a soil screening box rack and a soil screening box connected with a vibration shaft, the multistage screening device is fixed on the soil screening box rack through the vibration spring, the eccentric block is fixed on the vibration shaft, the power device drives the vibration shaft to drive the eccentric block to rotate, the eccentric block drives the soil screening box to vibrate along the vibration spring, an outlet of the multistage screening device is connected with a feeding end of the soil homogenizing device, and a discharging end of the soil homogenizing device is connected with a feeding end of the soil sample preparation device. The soil sample preparation platform is used for preparing a soil sample, and the problems of small volume, low fineness, difficulty in controlling component proportion and non-uniform mixing of soil sample blocks in the prior art are solved.
Description
Technical Field
The invention relates to a multistage soil particle screening and homogenizing soil sample preparation table, and belongs to the technical field of agricultural equipment.
Background
In agricultural production, plant moisture and various mineral nutrients must be supplied by soil. The requirement of high yield can be met by adopting corresponding agricultural technical measures according to soil conditions, so that the soil is the basis of each technical measure in agricultural production. In the current agricultural test, soil with a certain component proportion is generally prepared for experimental study. The existing artificial preparation method has low efficiency and cannot prepare a soil sample block with larger volume; the existing mechanical equipment can meet the preparation of large-volume soil sample blocks, but the fineness and the component proportion are difficult to control, the stirring and mixing efficiency is low, and meanwhile, the problems of complex design, high equipment manufacturing cost, high requirement on users and the like exist, so that the large-scale popularization and use and cost control are not facilitated.
Disclosure of Invention
In order to solve the defects of the prior art, the invention aims to provide a multistage soil particle screening and homogenizing soil sample preparation table, and the problems of small volume, low fineness, difficult control of component proportion and uneven mixing of a finished soil sample block in the prior art are solved by using the soil sample preparation table.
In order to achieve the above object, the present invention adopts the following technical solutions:
the utility model provides a multistage soil granule sieve and homogenized soil sample preparation platform, a serial communication port, including the multistage screening plant of screening soil, be used for the stirring, the different nutrient content of ratio carries out the device of soil homogenization, a soil sample preparation facilities for pressing the sample into required bulk density and specification, multistage screening plant includes the screen cloth, vibrating spring, power device, the eccentric block, sieve soil box frame, the sieve soil box of connecting the vibration axle, multistage screening plant passes through vibrating spring to be fixed in sieve soil box frame, the eccentric block is fixed in the vibration axle, power device drive vibration axle drives the eccentric block and rotates, the eccentric block drives sieve soil box and vibrates along vibrating spring, the export of multistage screening plant is connected the feed end of soil homogenizing device, the discharge end of soil homogenizing device connects the feed end of soil sample preparation facilities.
Furthermore, the screen has multiple layers, and the multiple layers of screens are overlapped from top to bottom.
Furthermore, the soil homogenizing device comprises a stirring driving device, a stirring roller and a rotatable stirring blade arranged in the stirring roller, wherein the driving device drives the stirring blade to rotate relative to the stirring roller.
Furthermore, the stirring blade comprises a stirring shaft and spiral blades, and the spiral blades are symmetrically distributed at two ends of the stirring shaft.
Furthermore, the stirring roller is provided with a material inlet and a material outlet, and the material inlet and the material outlet are oppositely arranged at the symmetrical center of the helical blade.
Furthermore, the stirring roller and the stirring blade are connected through a stirring transmission mechanism, the stirring transmission mechanism comprises a first belt wheel fixed on the stirring blade, a second belt wheel fixed on the stirring roller and a gap bridge wheel assembly, the first belt wheel drives the second belt wheel to rotate through the gap bridge wheel assembly, and the diameters of the first belt wheel and the second belt wheel are different.
Furthermore, the soil homogenizing device further comprises a material pushing device, a material box for storing the samples discharged from the stirring roller and a roller quality instrument, wherein the material pushing device is used for pushing the material box into the soil sample preparation device.
Furthermore, the soil sample preparation device comprises a finished quality measuring instrument and a pressing device, wherein the pressing device comprises a pressing plate matched with the opening of the material box and an oil cylinder for driving the pressing plate to move relative to the material box.
The invention achieves the following beneficial effects:
1. and the fineness of the soil sample is improved by multilayer screening.
2. The components are accurately proportioned by a mass meter.
3. Through power transmission mechanism, make stirring leaf and agitator drum rotate relatively, improve stirring mixing efficiency, mix more evenly, the stirring leaf adopts the symmetry to set up, and the position of its symmetric center is corresponding with agitator drum's business turn over material mouth, is convenient for through the horizontal defeated material of the rotation of control stirring leaf in realizing agitator drum.
4. The work of screening, proportioning, sample preparation and the like can be finished only by putting the collected sample, and the operation is simple and easy; the sample treatment efficiency is rapidly improved.
5. The preparation of standardized flow eliminates batch difference, ensures the quality and stability of products and is convenient for the control of subsequent tests.
Drawings
FIG. 1 is an overall block diagram of the present invention;
FIG. 2 is a block diagram of the multi-stage screening apparatus of the present invention;
FIG. 3 is a schematic view of the soil homogenizing apparatus of the present invention;
FIG. 4 is an enlarged fragmentary view of the power transmission mechanism of the present invention;
the meaning of the reference symbols in the figures: 1-a multi-stage screening device; 2-a soil homogenizing device; 3-a soil sample preparation device; 11-a soil screening box; 12-a screen mesh; 13-a vibration spring; 14-a power plant; 15-a vibration shaft; 16-an eccentric mass; 17-a soil screening box frame; 21-a stirring driving device; 22-stirring blade; 23-a stirring drum; 231-feeding and discharging port; 24-a material pushing device; 25-a power transmission mechanism; 26-a material box; 221-a stirring shaft; 222-a helical blade; 251-a first pulley; 252-pulley two; 253-a gap bridge wheel assembly; 31-a pressing device; 32-pressing plate.
Detailed Description
The invention is further described below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
The embodiment discloses a multistage soil particle screening and homogenizing soil sample preparation platform:
as shown in FIG. 1: the soil sample preparation platform comprises a multi-stage screening device 1, a soil homogenizing device 2 and a soil sample preparation device 3. The outlet of the multi-stage screening device 1 is connected with the feed end of the soil homogenizing device 2, and the discharge end of the soil homogenizing device 2 is connected with the feed end of the soil sample preparation device 3. The multistage screening device 1 is mainly used for screening multistage soil particles; the soil homogenizing device 2 is used for stirring and proportioning the soil with different nutrient contents, and carrying out soil homogenizing treatment; the soil sample preparation device 3 is used for pressing a sample into a sample block with required volume weight and specification, and the concrete structures and the connection relation of the three are as follows:
referring to fig. 2, the multi-stage screening device 1 is preferably driven by a motor, transmits power through a belt transmission mechanism, and has the advantages of stable transmission, buffering and vibration absorption, simple structure, low cost, and good flexibility and elasticity. The soil screening box 11 is fixed on a soil screening box frame 17 through a vibration spring 13, a vibration shaft 15 and a screen 12 are arranged inside the soil screening box 11, power is connected through the vibration shaft 15, and an eccentric block 16 is arranged on the vibration shaft 15. In the work, motor drive vibration shaft 15 drives eccentric block 16 and rotates, and eccentric block 16 drives under the effect of eccentric force and sieves soil box 11 vibration, and vibrating spring 13 realizes the flexible coupling between soil box 11 and the soil box frame 17 of sieve, plays the effect of restriction vibration range simultaneously. During the shaking process, the samples were screened. In actual practice, multiple layers of screening may be employed: soil screening box 11 has the multistage screening layer, and every layer is furnished with the screen cloth 12 of different density, and screen cloth 12 density reduces from last down in proper order according to the level, can carry out the screening many times to the sample, because multistage screening plant 1 is the structure that the pan feeding end is higher than the export, under the action of gravity, impurity such as stubble, straw, stone flows through the screening layer export of difference.
Fig. 3 is a structural view of the soil homogenizing apparatus 2, and in the present embodiment, it is preferable that the stirring vanes 22 are driven to rotate by a motor through belt transmission. The stirring vane 22 includes a stirring shaft 221 and spiral vanes 222, wherein the spiral vanes 222 are symmetrically distributed at two ends of the stirring shaft 221, that is, the spiral vanes 222 can be regarded as two sections, and the two sections of spiral vanes 222 spirally extend towards two ends of the stirring shaft 221 with a certain position of the stirring shaft 221 as a center and with opposite rotation directions.
The side of the stirring drum 23 is provided with a material inlet and outlet 231, and the material inlet and outlet 231 is arranged opposite to the joint of the two sections of helical blades 222. In this embodiment, there may be two material inlets and outlets 231 respectively disposed on two opposite sides of the stirring roller 23. The advantages of this are: after business turn over material mouth 231 feeding, stirring leaf 22 stirs the sample in with stirring drum 23, can carry the sample that has just added in stirring drum 23 to both ends, when the stirring is accomplished and need pour the sample, only need the counter rotation stirring leaf 22 can be with the sample transport at both ends to business turn over material mouth 231, the quick row of being convenient for expects. Moreover, the stirring blades 22 with opposite rotation directions can also facilitate the turning and mixing of the sample during the stirring process.
Referring to fig. 4, a first belt wheel 251 is fixed at one end of the stirring blade 22, a second belt wheel 252 is fixed at the same side port of the stirring drum 23, and the first belt wheel 251 and the second belt wheel 252 are respectively connected to belt wheels at two ends of a gap bridge wheel assembly 253 through belts. The stirring blade 22 drives the stirring drum 23 to rotate through the power transmission mechanism 25; when the diameters of the pulleys at the two ends of the first pulley 251, the second pulley 252 and the intermediate wheel assembly 253 are changed, the stirring blade 22 and the stirring roller 23 have different relative rotating speeds. In the embodiment, the diameter ratio between the first pulley 251 and the second pulley 252 is changed to obtain the required relative rotation ratio.
A material box 26 is arranged below the material opening of the stirring roller 23, the mixed soil sample is discharged from the material opening of the stirring roller and enters the material box 26, and the material pushing device 24 pushes the material box 26 into the soil sample preparation device 3, preferably, a hydraulic push rod motor pushes the material.
As shown in fig. 1, the soil sample preparation device 3 preferably controls the vertical lifting by a hydraulic pressing device, and in actual use, the finished product quality analyzer analyzes and calculates, and the descending distance of the pressing block 32 is adjusted, so that the soil sample with a certain density can be obtained.
In this embodiment, soil is put into soil screening box 11, and the motor drives belt drive mechanism to rotate, and belt drive drives vibration shaft 15 to drive eccentric block 16 to rotate, thereby makes soil screening box 11 vibrate the screen soil under the effect of vibrating spring 13. The soil containing impurities enters the soil screening box 11 and then is screened by the multi-stage screen 12, the impurities are discharged through outlets at all stages, finally, the soil particles which are free of impurities and meet the requirements of a certain scale are discharged from an outlet at the bottommost layer, and screening operation is completed. The soil after the screening operation enters a stirring roller 23, at the moment, a roller quality instrument display displays the soil quality, and proper water and nutrients are added according to the soil quality, the water content and the nutrient requirements; the stirring motor drives the stirring blades 22 and the stirring roller 23 to rotate relatively through a belt pulley and a belt, so that the soil, water and nutrients are fully stirred, after the stirring is finished, the roller mass meter is used again for weighing, and a soil sample is discharged from a material outlet of the stirring roller 23 and enters a material box 26; the hydraulic push rod motor drives the hydraulic push rod to stretch and retract, and the material box 26 is pushed into the soil sample preparation device 3. The bin 26 entering the soil sample preparation device 3 is weighed first, and the descending height of the hydraulic lifting device is selected and controlled according to the mass and the volume of the bin, so that a soil sample with the required density requirement is obtained. After the sample is successfully prepared, the soil sample in the bin 26 can be taken out and automatically cut into test samples with different sizes according to requirements.
The invention can realize multi-layer screening and improve the fineness of soil samples. The components are accurately proportioned by a mass meter. Through power transmission mechanism, make stirring leaf and stirring cylinder relative rotation, improve stirring mixing efficiency, mix more evenly. In actual operation, the collected samples are only needed to be put in, and the work of screening, proportioning, sample preparation and the like can be finished, so that the operation is simple and easy; the sample treatment efficiency is rapidly improved. The preparation method adopts a standardized process, eliminates batch difference, ensures the quality and stability of products and is convenient for subsequent test control.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.
Claims (8)
1. The utility model provides a multistage soil particle sieve and homogenized soil sample preparation platform, its characterized in that, includes multistage screening plant (1), soil homogenizing device (2), soil sample preparation facilities (3), multistage screening plant (1) is including screen cloth (12), vibrating spring (13), power device (14), eccentric block (16), sieve soil box frame (17), sieve soil box (11) of connecting vibration axle (15), multistage screening plant (1) is fixed in sieve soil box frame (17) through vibrating spring (13), eccentric block (16) are fixed in vibration axle (15), power device (14) drive vibration axle (15) drive eccentric block (16) and rotate, eccentric block (16) drive sieve soil box (11) along vibrating spring (13) vibration, the exit linkage soil homogenizing device's (1) feed end of exit linkage soil homogenizing device (2), the discharge end of the soil homogenizing device (2) is connected with the feed end of the soil sample preparation device (3).
2. A multistage soil particle screening and homogenizing soil sample preparation stage as claimed in claim 1 wherein said screen (12) has multiple layers, the multiple layers of screen (12) being stacked from top to bottom.
3. The multistage soil particle screening and homogenizing soil sample preparation station as claimed in claim 1, wherein the soil homogenizing device (2) comprises a stirring driving device (21), a stirring drum (23), and a rotatable stirring blade (22) arranged in the stirring drum (23), wherein the driving device (21) drives the stirring blade (22) to rotate relative to the stirring drum (23).
4. The multistage soil particle screening and homogenizing soil sample preparation stage according to claim 3, wherein the stirring blade (22) comprises a stirring shaft (221) and a helical blade (222), and the helical blade (222) is symmetrically distributed at two ends of the stirring shaft (221).
5. A multistage soil particle screening and homogenizing soil sample preparation stage according to claim 4, wherein the mixing drum (23) is provided with an inlet and outlet port (231), and the inlet and outlet port (231) is arranged opposite to the symmetrical center of the helical blade (222).
6. The multistage soil particle screening and homogenizing soil sample preparation station as claimed in claim 4 or 5, wherein the stirring roller (23) and the stirring blade (22) are further connected through a stirring transmission mechanism (25), the stirring transmission mechanism (25) comprises a first belt wheel (251) fixed on the stirring blade (22), a second belt wheel (252) fixed on the stirring roller (23), and a bridging wheel assembly (253), the first belt wheel (251) drives the second belt wheel (252) to rotate through the bridging wheel assembly (253), and the diameters of the first belt wheel (251) and the second belt wheel (252) are different.
7. A multistage soil particle screening and homogenizing soil sample preparation station according to claim 3 wherein the soil homogenizing device (2) further comprises a pusher (24), a bin (26) for storing samples discharged from the mixing drum (23), a drum quality gauge, the pusher (24) being adapted to push the bin (26) into the soil sample preparation device (3).
8. The multistage soil particle screening and homogenizing soil sample preparation stage according to claim 7, wherein the soil sample preparation device (3) comprises a quality meter and a pressing device (31), and the pressing device (31) comprises a pressing plate (32) matched with the opening of the bin (26) and an oil cylinder for driving the pressing plate to move relative to the bin (26).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011239178.3A CN112577798B (en) | 2020-11-09 | 2020-11-09 | A soil sample preparation platform for multi-stage soil particle screening and homogenization |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011239178.3A CN112577798B (en) | 2020-11-09 | 2020-11-09 | A soil sample preparation platform for multi-stage soil particle screening and homogenization |
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| CN112577798B CN112577798B (en) | 2024-11-12 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114018668A (en) * | 2021-11-04 | 2022-02-08 | 北京兰友科技有限公司 | Full-automatic soil sample preparation system |
| CN119334913A (en) * | 2024-12-20 | 2025-01-21 | 北京市农林科学院智能装备技术研究中心 | Mobile soil sample processing device, method, electronic device and storage medium |
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