CN103063471B - Portable sampling device for deep in situ soil and usage method thereof - Google Patents
Portable sampling device for deep in situ soil and usage method thereof Download PDFInfo
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- CN103063471B CN103063471B CN201210583050.8A CN201210583050A CN103063471B CN 103063471 B CN103063471 B CN 103063471B CN 201210583050 A CN201210583050 A CN 201210583050A CN 103063471 B CN103063471 B CN 103063471B
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Abstract
The present invention relates to a portable sampling device for deep in situ soil. The device comprises a hamming handle, a threaded joint, a connecting rod and a sampling head which are connected successively from top to bottom. The threads of one end of the connecting rod are connected to the threaded joint, and the threads of the other end of the connecting rod are connected to the sampling head; the connecting rods and the sampling head are sleeved with a straightness limiting device; the straightness limiting device comprises a cylindrical sleeve; a horizontal plate is arranged at the periphery of the bottom of the cylindrical sleeve; the cylindrical sleeve is perpendicular to the horizontal plate; the bottom port of the cylindrical sleeve is provided with an annular fending platform; a perforation is arranged at the center of the annular fending platform; and the sampling head and the connecting rod penetrate through the cylindrical sleeve and the perforation. The portable sampling device of the invention can perform stratified sampling and deep soil sampling; the straightness limiting device ensures the sampling head and the connecting rod vertically enter into the soil to prevent the sampling head and the connecting rod from inclining and remolding other soil layer when entering into the soil, thus no destruction to the original soil layers; the portable sampling device is dismountable and easy to carry, greatly improving the efficiency of soil sample collection.
Description
Technical field
The present invention relates to a kind of sampler of Portable deep in-situ soil, belong to soil sample equipment technical field.
Background technology
China is a large agricultural country, only there is the arable land in the whole world 7%, but need the population of supporting the whole world 22%, growing population demand is met in order to obtain high yield, production and the use of current China chemical fertilizer all occupy first place in the world, within 2008, national applying quantity of chemical fertilizer is 5239.0 ten thousand tons, and mean value is 430.4kg/hm
2, be the 225kg/hm preventing chemical fertilizer from arranging water pollution considerably beyond developed country
2upper safety limit, chemical fertilizer average utilization is only about 40%.The pollution problem that what the using of a large amount of chemical fertilizer was brought thereupon is fertilizer is excessive: on the one hand, the fertilizers input of a large amount easily causes the enrichment of soil nutrient, causes the eutrophication of soil; On the other hand, a large amount of chemical fertilizer run off enters underground water and surface water, exacerbates the eutrophication of water body.In addition, in vegetable production in green house, the excessive input of fertilizer obviously can not only cause the accumulation of npk nutrient in the soil body, and in fertilizer, heavy metal constantly accumulates in layout planning, has become the major hidden danger of layout planning industrial environment safety.Therefore, understand the top priority that the soil nutrient status of different soil is soil, plant nutrient and agriculture environmental protection researchers, could " suit the remedy to the case " like this, real pollution and the environmental security solving soil.
Soil nutrient measure and analysis result whether true and reliable, scientifically relevant issues can be described, focus on the acquisition and processing of pedotheque, wherein the collecting work of pedotheque is prerequisite in whole analytical work and basis, therefore experimentally object to carry out the collecting soil sample of science most important, understand the soil nutrient status of different soil, in collecting soil sample process, carry out stratified sampling accurately as far as possible.In soil layering sample collection process, the acquisition method adopting hand digging, hand digging method often has certain destructiveness, wastes time and energy, and during manual operation, soil depth is difficult to accurate control more.Along with the progress of technology, the appearance of drawing out soil equipment solves the technical problem manually wasted time and energy, and at present, domestic drawing out soil equipment mainly contains directly forced, hammering adding pressure type and be pressed into rotary.Straight forced drawing out soil equipment is mainly applicable to gathering the comparatively soft topsoil soils sample of soil layer, and the degree of depth that fetches earth is more shallow, is generally 0-20cm; It is harder that hammering adding pressure type soil sampler is applicable to soil property, and the degree of depth that fetches earth is more than more than 40cm, and drill bit opening is generally at about 50cm, and shortcoming is comparatively dark owing to fetching earth, and soil property is hard, and hammering damages as easily causing soil sampler during power, takes a lot of work expensive; And the drill bit being pressed into rotary soil sampler is helical form, although resistance when fetching earth can be reduced, the soil layer construction of in-situ soil can not be kept, be not suitable for the research purpose that layering is fetched earth.
Chinese patent CN101832883 discloses a kind of soil layering scraping sampler, and its structure comprises rectangle sampling frame and the rectangle scraper plate of the scraping soil that can slide along sampling frame, and scraper plate both sides arrange depth stop device.Can accurately control soil layering thickness, disposablely obtain a large amount of pedotheque, simple to operate, easy to carry.But there is following defect in use in this soil layering scraping sampler: (1), during use, first horizontal pane is squeezed into ground, then scraper plate is used, along the reciprocal scraping soil of horizontal pane, and use the instruments such as little scoop to be collected by the pedotheque swept at any time, when scraping is to the single layer samples depth selection preset, the scraping that reciprocatingly slides again soil, until the pedotheque of set depth is all swept, this device needs manpower scraping soil layer repeatedly, waste time and energy, speed is slow, efficiency is low, due to long-term fertilising accumulation, the accumulation of nutrient in the soil body moves down gradually, this device is only suitable for the sample gathering the comparatively soft arable layer of soil layer, then cannot gather for hard deep soil layer sample.(2), larger heatable adobe sleeping platform can be left on earth's surface, heavy damage morphosequent after sampling.
Chinese patent CN201527361 discloses a kind of Portable soil sample collecting drill, comprises drill bit and the drilling rod of tubulose, and drilling rod is dimerous by what be threaded.Portable soil sample collecting drill regulates the length of drilling rod by design cleverly, while being convenient for carrying, meets the needs of different depth sample collection, has easy to operate, that cost is low advantage.But the deficiency of this patent is, deep layer is fetched earth and soil property is hard time, during with hammering as power, power directly acts on the drill bit and drilling rod that gather and bore, drill bit and drilling rod easily damage, and it is longer to add drilling rod, enters in soil layer easily to tilt, cause causing soil layer to sample during sampling inaccurate, and soil sample is easily contaminated.
Summary of the invention:
For the deficiencies in the prior art, the invention provides a kind of sampler of Portable deep in-situ soil, can Stratified Sampling and deep sampling, limitting straight device ensure that, sampling head is vertical with connecting rod enters in soil layer, prevent sampling head and connecting rod from entering other soil layers of soil layer medium dip disturbance, the not original soil layer of spoiled soil, detachably, be easy to carry, substantially increase the efficiency of collecting soil sample.
Technical scheme of the present invention is as follows:
A kind of sampler of Portable deep in-situ soil, comprise the hammering handle connected successively from top to bottom, nipple, connecting rod and sampling head, described hammering handle is fixedly connected with nipple, the threaded one end of described connecting rod is connected on nipple, the other end is threaded on sampling head, it is characterized in that, described connecting rod, the limited straight device of sampling head overcoat, the straight device of described limit comprises cylindrical sleeve, the bottom periphery of cylindrical sleeve is provided with level board, described cylindrical sleeve is vertical with level board, described level board is fixedly connected with the bottom periphery of cylindrical sleeve, described cylindrical sleeve bottom nozzle place is provided with annular gear platform, annular Dang Tai center arranges perforation, described sampling head, connecting rod is through cylindrical sleeve and perforation, described connecting rod outer surface is provided with graduated scale.Annular gear platform with limit the coordinating of straight device, make that sampling head is vertical with connecting rod to be entered in soil layer, preventing sampling head and connecting rod entering other soil layers of soil layer medium dip disturbance, sampling head being sampled in each soil layer more accurate; When sample complete vertically extract connecting rod time, sampling head and connecting rod are extracted from the perforation at annular Dang Tai center, play the guiding role, and annular gear platform plays stop, removes the effect of sampling head and connecting rod outer surface soil simultaneously, reaching the object of clean connecting rod, cleaning without the need to manually carrying out secondary.
Be provided with prominent point bottom described level board, the thorn point of prominent point down.In being buried in prominent Jianzha County during use, play the effect of the straight device of fixing limit, prevent from limitting straight device to rock in use, affect soil sample collection.
Described level board forms circular horizontal plate in the periphery of cylindrical sleeve bottom.Circular horizontal plate adds the contact area with ground, makes the coordinating of circular horizontal plate and cylindrical sleeve the straight device of limit more stablize and vertical stands on ground surface.
It is dull and stereotyped that described level board forms square water in the periphery of cylindrical sleeve bottom.
Described is provided with the horizontal holding rod being horizontally through hammering handle at the middle part of hammering handle, the two ends of described horizontal holding rod are positioned at hammering handle both sides, two reinforced liners are respectively arranged with in the both sides of hammering handle, one end of reinforced liner is fixed on hammering handle, and the other end is fixedly connected on horizontal holding rod; Described hammering handle, two reinforced liners form triangle.
Described connecting rod outer surface is provided with external screw thread, connecting rod is threaded limited location device, described stopping means comprises spacing dop and clamping ring, one end of spacing dop is fixedly connected with clamping ring, clamping ring inside is provided with connecting hole, the inwall of clamping ring is provided with the internal thread matched with connecting rod surface external screw thread, the sidewall of cylindrical sleeve arranges axial draw-in groove, and the other end of described spacing dop is positioned at draw-in groove and can moves up and down along draw-in groove.
Described spacing dop is two, is symmetricly set on the both sides of clamping ring, and the draw-in groove correspondence on the sidewall of described cylindrical sleeve is set to two.
The cross section of described sampling head is c shape, and the bottom of sampling head is arc, and the height of sampling head is 15 ~ 35cm, and the sidewall of described sampling head is provided with axially native hole, and the height in native hole is 12 ~ 33cm, and width is 15 ~ 20mm.
Described cylindrical sleeve sidewall is provided with strip peep hole.The position of stopping means in cylindrical sleeve can be observed by peep hole.
When finishing using, conveniently extract the straight device of limit, described cylindrical sleeve is provided with handle.
Described hammering handle contours is inverted conical flask shape, and inside is solid construction, and material is stainless steel material, is level and smooth hammering contact surface above hammering handle.Level and smooth hammering contact surface can reduce the direct impact of hammer action power to drawing out soil equipment; Handle body is down tapered, and substantially identical with the rugosity of connecting rod close to threaded connection place, is conducive to like this ensureing the firm and attractive in appearance of hammering handle.
Described hammering handle, horizontal holding rod, connecting rod and reinforced liner are solid stainless steel.
The material of described sampling head is 304 stainless steels.
The present invention also provides a kind of using method of sampler of Portable deep in-situ soil, comprises the following steps:
(1) select the smooth sample point in earth's surface, straight for limit device is vertically stood on sample point, close proximity to ground bottom level board will be made in the prominent point insertion soil layer bottom level board;
(2) according to depth selection, the straight device of adjustment limit is fixed on the position of connecting rod, and being alignd with the draw-in groove of cylindrical sleeve sidewall in the end of spacing dop, sampling head and connecting rod are together stretched in cylindrical sleeve, sampling head aligns with the perforation at annular Dang Tai center;
(3) apply pressure to hammering handle, sampling head enters in soil layer through the perforation of annular gear platform, and along with sampling head progresses in soil layer, the spacing dop of stopping means moves down gradually along the draw-in groove of cylindrical sleeve sidewall;
(4) observe the position of stopping means in cylindrical sleeve from peep hole to move, when stopping means and annular keep off platform contact time, stop applying pressure, now annularly keep off the position that connecting rod is limited in stopping means place by platform;
(5) hold horizontal holding rod, rotate 2-3 circle between up time, then slowly extract sampling head vertically upward, in sampling head, be full of the soil sample of corresponding soil layer;
(6) cutter that fetches earth is stretched in native hole the soil sample in sampling head is released piecemeal, load in sealed bag, recording-related information;
(7) position of the straight device of adjustment limit, alignd with the draw-in groove of cylindrical sleeve sidewall in the termination of spacing dop, sampling head and connecting rod are together stretched in cylindrical sleeve, sampling head aligns with the perforation at annular Dang Tai center; Repeat step (3), (4), (5), (6), layering collection is carried out to the pedotheque of different depth.
Advantage of the present invention is as follows:
1, the present invention's annular is kept off platform and is limit coordinating of straight device, make that sampling head is vertical with connecting rod to be entered in soil layer, prevent sampling head and connecting rod from entering other soil layers of soil layer medium dip disturbance, avoid mixing of different layers position soil, sampling head is sampled in each soil layer more accurate, reach the object of deep layer in-situ sampling.
2, the present invention limits bottom the level board of straight device and is provided with prominent point, and in being buried prominent Jianzha County during use, that is fixed by the straight device of limit is more firm.
3, the present invention by stopping means, tube connector outer wall graduated scale and annular gear platform with the use of, accurately can control the lift height of pedotheque, substantially increase the efficiency of collecting soil sample.
4, the present invention is respectively arranged with two reinforced liners in the both sides of hammering handle, and hammering handle, two reinforced liners form triangle, and are solid stainless steel, makes sampler more firmly, firmly, not yielding.
5, after earth's surface extracted by sampler of the present invention, annular gear platform plays the effect stopping and remove sampling head and connecting rod outer surface soil, reaches the object of clean connecting rod, cleans without the need to manually carrying out secondary.
6, structure of the present invention is simple, with low cost, and connecting rod and hammering handle, sampling head are all threaded connection, and detachably, are easy to carry.
Accompanying drawing explanation
Fig. 1 is the structural representation of inventive sampling device;
Fig. 2 is hammering handle of the present invention and threaded joint connection structure schematic diagram;
Fig. 3 is the straight device cross-sectional view of limit of sampling apparatus of the present invention;
Fig. 4 is the syndeton schematic diagram of the connecting rod of sampling apparatus of the present invention, stopping means, cylindrical sleeve;
Fig. 5 is the schematic enlarged-scale view of the stopping means of inventive sampling device;
Fig. 6 is the schematic enlarged-scale view of sampling head of the present invention;
Fig. 7 is the limit straight device plan structure schematic diagram of embodiment 1 sampling apparatus;
Fig. 8 is the limit straight device plan structure schematic diagram of embodiment 2 sampling apparatus;
Wherein: 1, hammering handle; 2, horizontal holding rod; 3, reinforced liner; 4, nipple; 5, connecting rod; 6, sampling head; 7, straight device is limit; 8, stopping means; 9, cylindrical sleeve; 10, level board; 11, annular gear platform; 12, prominent point; 13, the external screw thread on connecting rod; 14, the graduated scale on connecting rod; 15, the draw-in groove on cylindrical sleeve sidewall; 16, clamping ring; 17, spacing dop; 18, the connecting hole of clamping ring inside; 19, native hole; 20, the graduated scale on sampling head sidewall.
Detailed description of the invention
Below in conjunction with drawings and Examples, the present invention is further illustrated, but be not limited thereto.
Embodiment 1:
A kind of sampler of Portable deep in-situ soil, structure as shown in figures 1-8, comprise the hammering handle 1 connected successively from top to bottom, nipple 4, connecting rod 5 and sampling head 6, hammering handle 1 is fixedly connected with nipple 4, the threaded one end of connecting rod 5 is connected on nipple 4, the other end is threaded on sampling head 6, the horizontal holding rod 2 being horizontally through hammering handle 1 is provided with at the middle part of hammering handle 1, the two ends of described horizontal holding rod 2 are positioned at hammering handle 1 both sides, two reinforced liners 3 are respectively arranged with in the both sides of hammering handle 1, one end of reinforced liner 3 is fixed on hammering handle 1, the other end is fixedly connected on horizontal holding rod 2, described hammering handle 1, two reinforced liners 2 form triangle.Described hammering handle 1 profile is inverted conical flask shape, and inside is solid construction, and material is stainless steel material, and hammering handle 1 is level and smooth hammering contact surface above.
The limited straight device 7 of connecting rod 5, sampling head 6 overcoat, straight device 7 is limit to comprise cylindrical sleeve 9, the bottom periphery of cylindrical sleeve 9 is provided with level board 10, cylindrical sleeve 9 is vertical with level board 10, level board 10 is fixedly connected with the bottom periphery of cylindrical sleeve 9, level board 10 forms circular horizontal plate in the periphery of cylindrical sleeve 9 bottom, and structure as shown in Figure 7.Circular horizontal plate adds the contact area with ground, makes the coordinating of circular horizontal plate and cylindrical sleeve the straight device of limit more stablize and vertical stands on ground surface.Cylindrical sleeve 9 bottom nozzle place is provided with annular gear platform 11, and annular Dang Tai 11 center arranges perforation, and during use, sampling head 6, connecting rod 5 are through cylindrical sleeve 9 and perforation, and connecting rod 5 outer surface is provided with graduated scale 14.Be provided with prominent point 12 bottom level board 10, the thorn point of prominent point 12 down.Penetrate in soil by prominent sharp 12 during use, play the effect of the straight device of fixing limit, prevent from limitting straight device to rock in use, affect soil sample collection.
Structure as shown in Figure 3-Figure 5, connecting rod 5 outer surface is provided with external screw thread 13, connecting rod 5 is threaded limited location device 8, described stopping means 8 comprises spacing dop 17 and clamping ring 16, one end of spacing dop 17 is fixedly connected with clamping ring 16, clamping ring 16 inside is provided with connecting hole 18, the inwall of clamping ring 16 is provided with the internal thread matched with the surperficial external screw thread of connecting rod 5, the sidewall of cylindrical sleeve 9 is arranged axial draw-in groove 15, the other end of spacing dop 17 is positioned at draw-in groove 15 and can moves up and down along draw-in groove.Spacing dop 17 is two, is symmetricly set on the both sides of clamping ring 16, and draw-in groove 15 correspondence on the sidewall of cylindrical sleeve 9 is set to two.
The cross section of sampling head 6 is c shape, and the bottom of sampling head 6 is arc, and the height of sampling head is 15cm, and the sidewall of sampling head 6 is provided with axially native hole 19, and the height in native hole is 12cm, and width is 15mm.Cylindrical sleeve 9 sidewall is provided with strip peep hole.The position of stopping means in cylindrical sleeve can be observed by peep hole.
Described hammering handle, horizontal holding rod, connecting rod and reinforced liner are solid stainless steel.
The material of described sampling head is 304 stainless steels.
Embodiment 2,
A sampler for Portable deep in-situ soil as described in Example 1, its difference is,
It is dull and stereotyped that level board 10 forms square water in the periphery of cylindrical sleeve 9 bottom, and structure as shown in Figure 8.
The height of sampling head is 35cm, and the sidewall of sampling head 6 is provided with axially native hole 19, and the height in native hole is 33cm, and width is 20mm.
Embodiment 3,
Utilize the sampler of a kind of Portable deep in-situ soil as described in Example 1 to carry out the method sampled, comprise step as follows:
(1) select the smooth sample point in earth's surface, straight for limit device is vertically stood on sample point, close proximity to ground bottom level board will be made in the prominent point insertion soil layer bottom level board;
(2) according to depth selection, the straight device of adjustment limit is fixed on the position of connecting rod, and being alignd with the draw-in groove of cylindrical sleeve sidewall in the end of spacing dop, sampling head and connecting rod are together stretched in cylindrical sleeve, sampling head aligns with the perforation at annular Dang Tai center;
(3) apply pressure to hammering handle, sampling head enters in soil layer through the perforation of annular gear platform, and along with sampling head progresses in soil layer, the spacing dop of stopping means moves down gradually along the draw-in groove of cylindrical sleeve sidewall;
(4) observe the position of stopping means in cylindrical sleeve from peep hole to move, when stopping means and annular keep off platform contact time, stop applying pressure, now annularly keep off the position that connecting rod is limited in stopping means place by platform;
(5) hold horizontal holding rod, rotate 2-3 circle between up time, then slowly extract sampling head vertically upward, in sampling head, be full of the soil sample of corresponding soil layer;
(6) cutter that fetches earth is stretched in native hole the soil sample in sampling head is released piecemeal, load in sealed bag, recording-related information;
(7) position of the straight device of adjustment limit, alignd with the draw-in groove of cylindrical sleeve sidewall in the termination of spacing dop, sampling head and connecting rod are together stretched in cylindrical sleeve, sampling head aligns with the perforation at annular Dang Tai center; Repeat step (3), (4), (5), (6), layering collection is carried out to the pedotheque of different depth.
Claims (1)
1. the sampler of a Portable deep in-situ soil, comprise the hammering handle connected successively from top to bottom, nipple, connecting rod and sampling head, described hammering handle is fixedly connected with nipple, the threaded one end of described connecting rod is connected on nipple, the other end is threaded on sampling head, it is characterized in that, described connecting rod, the limited straight device of sampling head overcoat, the straight device of described limit comprises cylindrical sleeve, the bottom periphery of cylindrical sleeve is provided with level board, described cylindrical sleeve is vertical with level board, described level board is fixedly connected with the bottom periphery of cylindrical sleeve, described cylindrical sleeve bottom nozzle place is provided with annular gear platform, annular Dang Tai center arranges perforation, described sampling head, connecting rod is through cylindrical sleeve and perforation, described connecting rod outer surface is provided with graduated scale, described connecting rod outer surface is provided with external screw thread, connecting rod is threaded limited location device, described stopping means comprises spacing dop and clamping ring, one end of spacing dop is fixedly connected with clamping ring, clamping ring inside is provided with connecting hole, the inwall of clamping ring is provided with the internal thread matched with connecting rod surface external screw thread, the sidewall of cylindrical sleeve arranges axial draw-in groove, the other end of described spacing dop is positioned at draw-in groove and can moves up and down along draw-in groove, described spacing dop is two, be symmetricly set on the both sides of clamping ring, draw-in groove correspondence on the sidewall of described cylindrical sleeve is set to two.
2
.the sampler of Portable deep in-situ soil according to claim 1, is characterized in that, is provided with prominent point bottom described level board, and the thorn point of prominent point down.
3
.the sampler of Portable deep in-situ soil according to claim 2, is characterized in that, described level board forms circular horizontal plate in the periphery of cylindrical sleeve bottom.
4
.the sampler of Portable deep in-situ soil according to claim 2, is characterized in that, it is dull and stereotyped that described level board forms square water in the periphery of cylindrical sleeve bottom.
5
.the sampler of Portable deep in-situ soil according to claim 1, it is characterized in that, the horizontal holding rod being horizontally through hammering handle is provided with at the middle part of described hammering handle, the two ends of described horizontal holding rod are positioned at hammering handle both sides, two reinforced liners are respectively arranged with in the both sides of hammering handle, one end of reinforced liner is fixed on hammering handle, and the other end is fixedly connected on horizontal holding rod; Described hammering handle, two reinforced liners form triangle.
6
.the sampler of Portable deep in-situ soil according to claim 1, it is characterized in that, the cross section of described sampling head is c shape, the bottom of sampling head is arc, the height of sampling head is 15 ~ 35cm, the sidewall of described sampling head is provided with axially native hole, and the height in native hole is 12 ~ 33cm, and width is 15 ~ 20mm.
7
.the sampler of Portable deep in-situ soil according to claim 1, is characterized in that, described cylindrical sleeve sidewall is provided with strip peep hole, and described cylindrical sleeve is provided with handle.
8
.utilize the sampler of Portable deep in-situ soil described in claim 1 to carry out the method sampled, comprise step as follows:
(1) select the smooth sample point in earth's surface, straight for limit device is vertically stood on sample point, close proximity to ground bottom level board will be made in the prominent point insertion soil layer bottom level board;
(2) according to depth selection, the straight device of adjustment limit is fixed on the position of connecting rod, and being alignd with the draw-in groove of cylindrical sleeve sidewall in the end of spacing dop, sampling head and connecting rod are together stretched in cylindrical sleeve, sampling head aligns with the perforation at annular Dang Tai center;
(3) apply pressure to hammering handle, sampling head enters in soil layer through the perforation of annular gear platform, and along with sampling head progresses in soil layer, the spacing dop of stopping means moves down gradually along the draw-in groove of cylindrical sleeve sidewall;
(4) observe the position of stopping means in cylindrical sleeve from peep hole to move, when stopping means and annular keep off platform contact time, stop applying pressure, now annularly keep off the position that connecting rod is limited in stopping means place by platform;
(5) hold horizontal holding rod, rotate 2-3 circle between up time, then slowly extract sampling head vertically upward, in sampling head, be full of the soil sample of corresponding soil layer;
(6) cutter that fetches earth is stretched in native hole the soil sample in sampling head is released piecemeal, load in sealed bag, recording-related information;
(7) position of the straight device of adjustment limit, alignd with the draw-in groove of cylindrical sleeve sidewall in the termination of spacing dop, sampling head and connecting rod are together stretched in cylindrical sleeve, sampling head aligns with the perforation at annular Dang Tai center; Repeat step (3), (4), (5), (6), layering collection is carried out to the pedotheque of different depth.
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| CN201210583050.8A CN103063471B (en) | 2012-12-27 | 2012-12-27 | Portable sampling device for deep in situ soil and usage method thereof |
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| CN201210583050.8A CN103063471B (en) | 2012-12-27 | 2012-12-27 | Portable sampling device for deep in situ soil and usage method thereof |
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| CN103063471A CN103063471A (en) | 2013-04-24 |
| CN103063471B true CN103063471B (en) | 2015-03-25 |
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| CN201540215U (en) * | 2009-11-30 | 2010-08-04 | 魏海刚 | Straight-pushing taking in situ soil sampler |
| CN203037491U (en) * | 2012-12-27 | 2013-07-03 | 山东省农业科学院农业资源与环境研究所 | Portable deep in-situ soil sampling device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| AUPR807801A0 (en) * | 2001-10-05 | 2001-10-25 | Sentek Pty Ltd | Soil probe insertion arrangement and method of use |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2784908Y (en) * | 2005-01-07 | 2006-05-31 | 沈阳农业大学 | Novel earth drill |
| CN201218780Y (en) * | 2008-01-21 | 2009-04-08 | 河南科技大学 | Portable undisturbed soil column sampler |
| CN201540215U (en) * | 2009-11-30 | 2010-08-04 | 魏海刚 | Straight-pushing taking in situ soil sampler |
| CN203037491U (en) * | 2012-12-27 | 2013-07-03 | 山东省农业科学院农业资源与环境研究所 | Portable deep in-situ soil sampling device |
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