CN103293021B - Soil cutting device for accurately obtaining non-rhizosphere soils at different distances from rhizosphere - Google Patents
Soil cutting device for accurately obtaining non-rhizosphere soils at different distances from rhizosphere Download PDFInfo
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- CN103293021B CN103293021B CN201210055472.8A CN201210055472A CN103293021B CN 103293021 B CN103293021 B CN 103293021B CN 201210055472 A CN201210055472 A CN 201210055472A CN 103293021 B CN103293021 B CN 103293021B
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- screw mandrel
- soil block
- rhizosphere
- lead screw
- holding frame
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Abstract
The invention relates to a soil cutting device for accurately obtaining non-rhizosphere soils at different distances from rhizosphere. A circular root box soil block tray device, a soil block locating lead screw device, a blade regulating device, an adjustable-speed motor switch and the like are arranged on a bracket, the bottom of a circular tray is connected with a rotating shaft of an adjustable-speed motor, anti-sliding soil block stop sheets are circumferentially uniformly distributed on the edge of the circular tray and fixed by soil block locating bolts; a first hand wheel in the soil block locating lead screw device and the upper end of a first lead screw are welded together; a second hand wheel in the blade regulating device and the upper end of a lead screw are welded together, the lead screw is matched with a thread on an auxiliary blade holding frame, the auxiliary blade holding frame is connected with a blade holding frame through a third lead screw, one end of the third lead screw and a third hand wheel are welded together, a blade is fixed on the blade holding frame; a first lead screw locating block in the soil block locating lead screw device is sleeved on the first lead screw and is connected with a bracket main cross beam bolt; the first lead screw is concentric with the rotating shaft of the adjustable-speed motor, and the blade regulating device is fixed on the lead screw.
Description
Technical field
The invention belongs to plant non-rhizosphere soils studying technological domain, move, and then be absorbed and used by plants for the nutrient studied in soil from non-rhizosphere to rhizosphere, the one relating to the test of the migration of nutrient in soil and plant availability cuts native device.Specifically cut native device in order to accurately obtain non-rhizosphere apart from the one of rhizosphere different distance soil.This device is mainly used in the test and study of Soil nutrient movement, Forms Transformation and nutrient availability, can be used widely in fields such as soil fertility.
Background technology
Rhizosphere refers to the impact by root system of plant activity, is different from the part Wei Yutu district of the soil body at physics, chemistry and biology in nature.The scope of rhizosphere is very little, and refer generally within several millimeters, distance root axle surface, other is then non-rhizosphere.Nutrient in soil can absorb by root system of plant, not only relevant with its chemical form, be also equipped with substantial connection with the space bit residing for it.For the whole soil body, the percentage that root system of plant on average accounts for soil volume is about 3%, if the nutrient only directly contacted using root system and soil is as the available nutrient of plant, then can not meet the demand of plant far away.Only have sub-fraction to be present in soil-roots system complex in total nutrient content needed for crop, after the nutrient of root table is absorbed, the nutrient in non-root district passes through soil by matter stream and diffusion and to move to root system and add to root table.
Carrying out in the researchs such as non-rhizosphere soils nutrient transfer, needing to gather the pedotheque of non-rhizosphere apart from rhizosphere different distance, to measure the nutrient content apart from rhizosphere different distance soil, thus draw the Transport of nutrient.Current drawing out soil equipment is still based on earth boring auger, and the horizontal and vertical distance fetched earth all is difficult to grasp, therefore can not Obtaining Accurate apart from the non-rhizosphere soils of rhizosphere micro-region certain distance.
Have not yet to see about the report with same apparatus of the present invention.
Summary of the invention
The object of the invention is to the defect overcoming prior art, solve centered by plant rhizosphere, accurately obtain the problem of cutting native device of the non-rhizosphere soils apart from rhizosphere certain distance, thus study the problems such as the migration and conversion of non-rhizosphere soils nutrient better.
Technical scheme of the present invention is as described below:
A kind ofly be applicable to accurately to obtain non-rhizosphere and cut native device apart from rhizosphere different distance soil, it comprises: on support 1, be provided with support main beam 7, for main beam bracing frame 6, bracket base 8, circular root case soil block pallet apparatus 5, soil block positioning screw device 3, cutting insert adjustment device 2 and speed regulating motor switch 4, wherein: described circular root case soil block pallet apparatus 5 is arranged on described bracket base 8, this device comprises round tray 22, the anti-skidding barrier sheet 24 of soil block, soil block bolt 21 and buncher 23, connect with buncher 23 turning axle bottom round tray 22, the anti-skidding barrier sheet 24 of described soil block is six, its circumference is uniformly distributed in the edge of described round tray 22, wherein three anti-skidding barrier sheets 24 of soil block are provided with soil block bolt 21, described soil block positioning screw device 3 comprises the first handwheel 9, first screw mandrel 10 and the first screw mandrel locating piece 11, first handwheel 9 welds with the upper end of the first screw mandrel 10, described cutting insert adjustment device 2 comprises the second handwheel 14, screw mandrel 15, the 3rd handwheel 18, the 3rd screw mandrel 17, blade 13, rule 20, blade holding frame 19, blade holder 16 and auxiliary-blade holding frame 12, the second described handwheel 14 welds with screw mandrel 15 upper end, described screw mandrel 15 and the threaded engagement on auxiliary-blade holding frame 12, auxiliary-blade holding frame 12 is connected by the 3rd screw mandrel 17 with blade holding frame 19, one end of the 3rd described screw mandrel 17 is welded with small handwheel 18, and described blade 13 is fixed on blade holding frame 19 by blade holder 16, first screw mandrel locating piece 11 of described soil block positioning screw device 3 is enclosed within the first screw mandrel 10, and the first screw mandrel locating piece 11 passes through bolt-connection with support main beam 7, described the first screw mandrel (10) is concentric with described buncher (23) turning axle, described cutting insert adjustment device (2) is fixed on screw mandrel (15) by auxiliary-blade holding frame (12) and main beam bracing frame (6).
More detailed technical scheme is shown in described in accompanying drawing and " embodiment " content.
Compared with prior art, major advantage of the present invention is:
1, of the present invention relatively simple for structure, operability is comparatively strong, and economic serviceability is good.
2, each several part match ratio of the present invention is comparatively coordinated, and the efficiency comparison of sample preparation is high, does not need to rely on more energy resource consumption, energy-conserving and environment-protective.
3, the present invention accurately can obtain the pedotheque of non-rhizosphere apart from rhizosphere different distance, for the research of Soil nutrient movement, Forms Transformation and nutrient availability, can be used widely in fields such as soil fertility.
Below in conjunction with drawings and embodiments and principle, the invention will be further described.
Accompanying drawing explanation
Fig. 1 is the one-piece construction schematic diagram of apparatus of the present invention.
Fig. 2 is (angle bar) supporting structure schematic diagram of apparatus of the present invention.
Fig. 3 is the soil block positioning screw device assembly construction schematic diagram of apparatus of the present invention.
Fig. 4 is the soil block positioning screw apparatus structure decomposing schematic representation of apparatus of the present invention.
Fig. 5 is the cutting insert adjustment device assembly structure schematic diagram of apparatus of the present invention.
Fig. 6 is the STRUCTURE DECOMPOSITION schematic diagram of the cutting insert adjustment device of apparatus of the present invention.
Fig. 7 is the circular root case soil block pallet apparatus assembly structure schematic diagram of apparatus of the present invention.
In figure, mark is described as follows: 1 is support, 2 is cutting insert adjustment device, 3 is soil block positioning screw device, 4 is speed regulating motor switch, 5 is circular root case soil block pallet apparatus, 6 is main beam bracing frame, 7 is support main beam, 8 is bracket base, 9 is the first handwheel, 10 is the first screw mandrel, 11 is the first screw mandrel locating piece, 12 is auxiliary-blade holding frame, 13 is blade, 14 is the second handwheel, 15 is screw mandrel, 16 is blade holder, 17 is the 3rd screw mandrel, 18 is the 3rd handwheel, 19 is blade holding frame, 20 is rule, 21 is soil block bolt, 22 is round tray, 23 is buncher, 24 is the anti-skidding barrier sheet of soil block.
Embodiment
Embodiment 1
As shown in Figures 1 to 7, described in device of the present invention is specifically implemented as follows:
A kind ofly be applicable to accurately to obtain non-rhizosphere and cut native device apart from rhizosphere different distance soil, support (such as can adopt angle bar or angle steel manufacture) 1 is provided with support main beam 7, for main beam bracing frame 6, bracket base 8, circular root case soil block pallet apparatus 5, soil block positioning screw device 3, cutting insert adjustment device 2 and speed regulating motor switch 4, wherein: described circular root case soil block pallet apparatus 5 is arranged on described bracket base 8, this device comprises round tray 22, the anti-skidding barrier sheet 24 of soil block, soil block bolt 21 and buncher 23, connect with buncher 23 turning axle bottom round tray 22, the anti-skidding barrier sheet 24 of soil block is six, its circumference is uniformly distributed in the edge of described round tray 22, wherein three anti-skidding barrier sheets of soil block (24) are provided with soil block bolt 21, described soil block positioning screw device 3 comprises the first handwheel 9, first screw mandrel 10, first screw mandrel locating piece 11, first handwheel 9 and welds with the upper end of the first screw mandrel 10, described cutting insert adjustment device 2 comprises the second handwheel (14), screw mandrel 15, the 3rd handwheel 18, the 3rd screw mandrel 17, blade 13, rule 20, blade holding frame 19, blade holder 16 and auxiliary-blade holding frame 12, second handwheel 14 and the welding of screw mandrel 15 upper end, screw mandrel 15 and the threaded engagement on auxiliary-blade holding frame 12, auxiliary-blade holding frame 12 is connected by the 3rd screw mandrel 17 with blade holding frame 19,3rd screw mandrel 17 one end is welded with the 3rd handwheel 18, and blade 13 is fixed on blade holding frame 19 by blade holder 16, first screw mandrel locating piece 11 of described soil block positioning screw device 3 is enclosed within the first screw mandrel 10, and the first screw mandrel locating piece 11 is bolted with support main beam 7, the first described screw mandrel 10 is concentric with described buncher 23 turning axle, described cutting insert adjustment device 2 is fixed on screw mandrel 15 by auxiliary-blade holding frame 12 and main beam bracing frame 6.
The application process of device of the present invention is:
The right cylinder soil block of collection is put into-4 DEG C of refrigerator and cooled and freezes 24h, take out, be placed in the circular PVC board that matches with right cylinder soil bottom surface size, use steel nail to hammer into rhizosphere soil through PVC board, then put into-4 DEG C of refrigerator and cooled and freeze 24h, take out soil block, place it on round tray 22, the first handwheel 9 on soil block positioning screw device 3 is regulated to make soil block be fixed on round tray 22 with the soil block bolt 21 on circular root case soil block pallet apparatus 5, make the first screw mandrel 10 axis, round tray 22 center line, soil block center line is concentric, then switch on power, speed regulating motor switch 4 is used to adjust the rotating speed of buncher 23 as required, the second handwheel 14 is regulated to control the vertical displacement of blade 13, 3rd handwheel 18 controls the horizontal shift of blade 13, the pedotheque of non-rhizosphere apart from rhizosphere different distance can be cut successively from soil block outside surface to soil block center line by the position controlling blade 13.
Claims (2)
1. cut native device for accurately obtaining non-rhizosphere apart from rhizosphere different distance soil for one kind, its feature comprises: on support (1), be provided with support main beam (7), main beam bracing frame (6), bracket base (8), circular root case soil block pallet apparatus (5), soil block positioning screw device (3), cutting insert adjustment device (2) and speed regulating motor switch (4), wherein: described circular root case soil block pallet apparatus (5) is arranged on described bracket base (8), this device comprises round tray (22), the anti-skidding barrier sheet of soil block (24), soil block bolt (21) and buncher (23), round tray (22) bottom connects with buncher (23) turning axle, the anti-skidding barrier sheet of described soil block (24) is six, its circumference is uniformly distributed in the edge of described round tray (22), wherein three anti-skidding barrier sheets of soil block (24) are provided with soil block bolt (21), described soil block positioning screw device (3) comprises the first handwheel (9), the first screw mandrel (10) and the first screw mandrel locating piece (11), and the first handwheel (9) welds with the upper end of the first screw mandrel (10), described cutting insert adjustment device (2) comprises the second handwheel (14), screw mandrel (15), 3rd handwheel (18), 3rd screw mandrel (17), blade (13), rule (20), blade holding frame (19), blade holder (16) and auxiliary-blade holding frame (12), described the second handwheel (14) welds with screw mandrel (15) upper end, described screw mandrel (15) and the threaded engagement on auxiliary-blade holding frame (12), auxiliary-blade holding frame (12) is connected by the 3rd screw mandrel (17) with blade holding frame (19), one end of 3rd screw mandrel (17) is welded with the 3rd handwheel (18), described blade (13) is fixed on blade holding frame (19) by blade holder (16), first screw mandrel locating piece (11) of described soil block positioning screw device (3) is enclosed within the first screw mandrel (10), and the first screw mandrel locating piece (11) and support main beam (7) pass through bolt-connection, described the first screw mandrel (10) is concentric with described buncher (23) turning axle, described cutting insert adjustment device (2) is fixed on screw mandrel (15) by auxiliary-blade holding frame (12) and main beam bracing frame (6).
2. according to claim 1ly cut native device and accurately obtaining non-rhizosphere apart from the application in the soil processing of rhizosphere different distance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210055472.8A CN103293021B (en) | 2012-03-05 | 2012-03-05 | Soil cutting device for accurately obtaining non-rhizosphere soils at different distances from rhizosphere |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210055472.8A CN103293021B (en) | 2012-03-05 | 2012-03-05 | Soil cutting device for accurately obtaining non-rhizosphere soils at different distances from rhizosphere |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103293021A CN103293021A (en) | 2013-09-11 |
| CN103293021B true CN103293021B (en) | 2015-03-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210055472.8A Expired - Fee Related CN103293021B (en) | 2012-03-05 | 2012-03-05 | Soil cutting device for accurately obtaining non-rhizosphere soils at different distances from rhizosphere |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104890129B (en) * | 2015-07-03 | 2016-07-20 | 合肥工业大学 | The automatic soil-cutter of Multifunctional adjustable |
| CN105300756B (en) * | 2015-09-18 | 2017-11-14 | 西安建筑科技大学 | A kind of devices and methods therefor for the sample preparation for directly testing loess tensile strength |
| CN106680055B (en) * | 2017-03-03 | 2023-11-28 | 天津城建大学 | Multifunctional soft clay hollow cylinder sample preparation device and sample preparation method |
| CN108668689B (en) * | 2018-05-04 | 2020-02-04 | 菏泽学院 | Plant root system growth experimental device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1804263A1 (en) * | 1967-10-26 | 1969-05-22 | Sorvall Inc Ivan | Microtome |
| DE19645107A1 (en) * | 1996-11-01 | 1998-05-07 | Leica Ag | Micro-miniature cutting arrangement esp. for taking samples of biological tissue |
| CN101140202A (en) * | 2007-10-30 | 2008-03-12 | 中国农业大学 | Mechanical type soil sampling apparatus |
| CN101386191A (en) * | 2008-10-20 | 2009-03-18 | 张枝策 | Soil cutting guide |
| CN202547967U (en) * | 2012-03-05 | 2012-11-21 | 华中农业大学 | Soil cutting device for accurately acquiring non-rhizosphere soil with different distances to rhizosphere |
-
2012
- 2012-03-05 CN CN201210055472.8A patent/CN103293021B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1804263A1 (en) * | 1967-10-26 | 1969-05-22 | Sorvall Inc Ivan | Microtome |
| DE19645107A1 (en) * | 1996-11-01 | 1998-05-07 | Leica Ag | Micro-miniature cutting arrangement esp. for taking samples of biological tissue |
| CN101140202A (en) * | 2007-10-30 | 2008-03-12 | 中国农业大学 | Mechanical type soil sampling apparatus |
| CN101386191A (en) * | 2008-10-20 | 2009-03-18 | 张枝策 | Soil cutting guide |
| CN202547967U (en) * | 2012-03-05 | 2012-11-21 | 华中农业大学 | Soil cutting device for accurately acquiring non-rhizosphere soil with different distances to rhizosphere |
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| CN103293021A (en) | 2013-09-11 |
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