CN219369183U - Soil sample segmentation layering sampling equipment - Google Patents

Abstract

The utility model relates to the technical field of soil sampling, in particular to soil sample segmentation and layering sampling equipment, which comprises a drilling frame, a sampling sleeve and a plurality of separation inserting sheets, wherein the sampling sleeve is arranged below the drilling frame and is detachably connected with the drilling frame; an inner pipe body is detachably arranged in the sampling sleeve; the inner pipe body is provided with a plurality of jacks which are horizontally arranged on the side wall of the inner pipe body and penetrate through the pipe wall of the inner pipe body; the separation inserting sheet is detachably and slidably arranged in the jack, and comprises a separation sheet and a plug block arranged at one end of the separation sheet; the separator can be inserted into the jack. This soil sample segmentation layering sampling equipment realizes carrying out the layering sample to soil and is convenient for take out the layering to soil sample to avoid the sample to mix, in order to solve and be difficult for taking out the soil piece after the sample, take out the in-process soil that easily leads to adjacent soil layer and mix, thereby influence the technical problem of testing result.

Description

Soil sample segmentation layering sampling equipment

Technical Field

The utility model relates to the technical field of soil sampling, in particular to soil sample segmentation and layering sampling equipment.

Background

Soil environment monitoring refers to determining environmental quality (or pollution degree) and its trend by measuring representative values of factors affecting the quality of the soil environment. During field sampling, because of the non-uniformity of the spatial distribution of the soil, the soil is sampled at multiple points by taking a land block as a unit and then mixed into a mixed sample, so that the soil property of a sampling area can be better represented. The sampling method generally comprises the following steps:

(1) The diagonal sampling method is suitable for sewage irrigation plots and samples at the central points of the equal divisions of the diagonal.

(2) The quincuncial sampling method is suitable for plots with small areas, flat terrains and even soil.

(3) The chessboard type sampling method is suitable for the land with medium area, flat topography, basically complete topography and uneven soil.

(4) The serpentine sampling method is suitable for plots with smaller areas, uneven terrains and uneven soil, and more sampling points need to be taken.

The existing soil sampler has the following defects in use: the soil blocks are not easy to take out after sampling, and soil of adjacent soil layers is easy to mix in the process of taking out, so that the detection result is affected.

Disclosure of Invention

In order to solve the technical problems, the utility model aims to provide a soil sample subsection layered sampling device which is convenient for layered sampling of soil and layered taking out of soil samples so as to avoid sample mixing.

In order to achieve the technical effects, the utility model adopts the following technical scheme:

the soil sample sectionalized layered sampling equipment comprises a drilling frame, a sampling sleeve and a plurality of separation inserting sheets, wherein the sampling sleeve is arranged below the drilling frame and detachably connected with the drilling frame; an inner pipe body is detachably arranged in the sampling sleeve;

the inner pipe body is provided with a plurality of jacks which are horizontally arranged on the side wall of the inner pipe body and penetrate through the pipe wall of the inner pipe body;

the separation inserting sheet is detachably and slidably arranged in the jack, and comprises a separation sheet and a plug block arranged at one end of the separation sheet; the separator can be inserted into the jack.

The sampling sleeve comprises a cylindrical hollow sampling sleeve, at least two connecting lug plates are arranged at one end, close to the mounting plate, of the hollow sampling sleeve, through holes are formed in the connecting lug plates, and threaded blind holes are formed in the mounting plate at positions corresponding to the through holes; the sampling sleeve is provided with a thin-wall sampling head at one end far away from the mounting plate, and the thin-wall sampling head is far away from one end of the sampling sleeve and is inclined inwards.

The inner side wall of the thin-wall sampling head is provided with a first limiting ring and a second limiting ring, the first limiting ring and the second limiting ring are coaxially arranged, a gap is arranged between the first limiting ring and the second limiting ring, and the bottom of the inner pipe body is embedded in the gap.

The inner pipe body is provided with a plurality of jacks, and the jacks are horizontally arranged on the side wall of the inner pipe body and penetrate through the pipe wall of the inner pipe body.

The inner part of the inner pipe body is also provided with a discharging piston in a sliding mode, and the discharging piston is arranged in the inner part of the inner pipe body and is in transition fit with the inner pipe body at the periphery of the discharging piston.

Compared with the prior art, the utility model has the beneficial effects that: according to the soil sample sectionalized layered sampling equipment provided by the utility model, the drill frame is arranged, the detachable sampling sleeve is arranged below the drill frame for sampling, and the inner pipe body is detachably arranged in the sampling sleeve, so that a soil sample taken by the sampling sleeve can directly enter the inner pipe body, and when the soil in the inner pipe body is taken out, the inner pipe body can be directly detached and then the soil sample is taken out. This soil sample segmentation layering sampling equipment is convenient for carry out the layering sample to soil and be convenient for carry out the layering to soil sample and take out to avoid the sample to mix, thereby improve the degree of accuracy of sampling efficiency and layering sample.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic view of a longitudinal cross-sectional structure of the present utility model;

FIG. 3 is a schematic view of a partial enlarged structure at A in FIG. 2;

FIG. 4 is a schematic view of the structure of the inner tubular body and the separation blade according to the present utility model;

Detailed Description

Embodiments of the technical scheme of the present utility model will be described in detail below with reference to the accompanying drawings. The following examples are only for more clearly illustrating the technical aspects of the present utility model, and thus are merely examples, and are not intended to limit the scope of the present utility model.

As shown in fig. 1-4, the soil sample subsection layering sampling device provided by the embodiment comprises a drilling frame and a sampling sleeve which is arranged below the drilling frame and detachably connected with the drilling frame, wherein an inner pipe body 30 is detachably arranged in the sampling sleeve, and the inner pipe body 30 is a hollow cylindrical pipe body. The drill frame comprises a mounting plate 10 and a pressing plate 11, wherein the pressing plate 11 is provided with two groups and is respectively arranged on two sides of the mounting plate 10. The sampling sleeve is detachably connected to the mounting plate 10. In practice, the inner tube 30 can be removed from the sampling sleeve by depressing the pressure plate 11 to allow the mounting plate 10 to be used for sampling soil samples and allowing the soil samples to enter the inner tube 30, thereby facilitating the layered removal of the soil samples. Specifically, the sampling sleeve comprises a cylindrical hollow sampling sleeve 20, a plurality of connecting lug plates 21 are arranged at one end, close to the mounting plate 10, of the hollow sampling sleeve 20, the connecting lug plates 21 are horizontally arranged, through holes 211 are formed in the connecting lug plates 21, the mounting plate 10 is provided with threaded blind holes 101 at corresponding positions of the through holes 211, the through holes 211 can be used for a bolt 22 to pass through, the threaded blind holes 101 can lock the bolt 22, so that the sampling sleeve 20 is provided with a thin-wall sampling head 23 at one end far away from the mounting plate 10, and the thin-wall sampling head 23 is inclined inwards at one end far away from the sampling sleeve 20 so as to avoid the taken soil sample from slipping out.

In this embodiment, in order to make the soil sample smoothly enter the inner pipe 30, the inner side wall of the thin-wall sampling head 23 is provided with a first stop collar 231 and a second stop collar 232, both the first stop collar 231 and the second stop collar 232 are vertically disposed on the inner wall of the thin-wall sampling head 23, meanwhile, the first stop collar 231 and the second stop collar 232 are coaxially disposed and a gap is disposed between the first stop collar 231 and the second stop collar 232, the bottom of the inner pipe 30 is embedded in the gap, and when assembling, the inner pipe 30 can be vertically embedded in the gap to complete the installation of the inner pipe 30. Specifically, in order to make the connection of the inner pipe body 30 stable, the thickness of the inner pipe body 30 is greater than the gap between the first stop collar 231 and the second stop collar 232, so that the inner pipe body 30 is in interference fit with the gap, thereby ensuring the connection stability of the inner pipe body 30.

In this embodiment, in order to further facilitate the layered extraction of the soil in the inner pipe 30, a plurality of insertion holes 31 are provided on the inner pipe 30, and the insertion holes 31 are horizontally provided on the side wall of the inner pipe 30 and penetrate through the pipe wall of the inner pipe 30. Every equal slidable mounting has separation inserted sheet 40 in jack 31, separation inserted sheet 40 can dismantle, separation inserted sheet 40 includes separation piece 41 and locates the plug piece 42 of separation piece 41 one end, separation piece 41 can insert in jack 31, separation piece 41 keeps away from the one end of plug piece sets up to semi-circular and can hug closely with the inner wall of this inner tube body 30 to carry out the layering cutting to the soil sample, when taking out the soil sample, can tear down inner tube body 30 earlier, then inserts selectively separation inserted sheet 40 is in order to cut the soil sample, takes out the individual layer soil sample respectively again.

In this embodiment, in order to facilitate the one-time taking of all the samples in the inner tube 30, a discharging piston 33 is slidably mounted in the inner tube 30, the discharging piston 33 is disposed in the inner tube 30, and the periphery of the discharging piston 33 is in clearance fit with the inner tube 30, so that the samples can be taken out completely by pushing the discharging piston 33 during discharging. In addition, in order to prevent the discharge piston 33 from sliding out of the inner tube 30, a limiting convex ring 32 is further disposed at one end of the inner tube 30, and the limiting convex ring 32 protrudes from the inner wall of the inner tube 30.

In practical application, the specific operation steps are as follows:

step 1, pressing down the pressing plate 11 so that the sampling sleeve of the mounting plate 10 is used for taking a soil sample, and the soil sample enters the inner pipe body 30;

step 2, taking the inner tube body 30 out of the sampling sleeve, and selectively inserting the separation insert 40 to cut the soil sample; after cutting is completed, the separation sheet 41 is withdrawn from the insertion hole 31;

and 3, during discharging, pushing the discharging piston 33 so as to push out all samples, thereby realizing stratified sampling of soil.

Through above-mentioned three steps, realize carrying out the layering sample to soil and be convenient for take out the layering to soil sample to avoid the sample to mix, in order to solve and be difficult for taking out the soil piece after the sample, take out the in-process and easily lead to the soil mixing of adjacent soil layer, thereby influence the technical problem of testing result.

The above embodiments are only for illustrating the technical solution of the present utility model and not for limiting the same, and although the present utility model has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications and equivalents may be made thereto without departing from the spirit and scope of the technical solution of the present utility model, which is intended to be covered by the scope of the claims of the present utility model.

Claims (5)

1. The utility model provides a soil sample segmentation layering sampling equipment which characterized in that: comprises a drill frame, a sampling sleeve and a plurality of separation inserting sheets (40), wherein the sampling sleeve is arranged below the drill frame and detachably connected with the drill frame; an inner pipe body (30) is detachably arranged in the sampling sleeve;

a plurality of jacks (31) are arranged on the inner pipe body (30), and the jacks (31) are horizontally arranged on the side wall of the inner pipe body (30) and penetrate through the pipe wall of the inner pipe body (30);

the separation inserting sheet (40) is detachably and slidably arranged in the jack (31), and the separation inserting sheet (40) comprises a separation sheet (41) and a plug block (42) arranged at one end of the separation sheet (41); the separator (41) is insertable into the receptacle (31).

2. A soil sample sectionalized layered sampling device as recited by claim 1, wherein: the drilling frame comprises a mounting plate (10) and pressing plates (11) arranged on two sides of the mounting plate (10), and the sampling sleeve is detachably connected with the mounting plate (10).

3. A soil sample sectionalized layered sampling device as recited by claim 2, wherein: the sampling sleeve comprises a cylindrical hollow sampling sleeve (20), at least two connecting lug plates (21) are arranged at one end, close to the mounting plate (10), of the hollow sampling sleeve (20), through holes (211) are formed in the connecting lug plates (21), and threaded blind holes (101) are formed in positions, corresponding to the through holes (211), of the mounting plate (10); the sampling sleeve (20) is provided with a thin-wall sampling head (23) at one end far away from the mounting plate (10), and one end of the thin-wall sampling head (23) far away from the sampling sleeve (20) is inclined inwards.

4. A soil sample sectionalized layered sampling device as recited by claim 3, wherein: the thin-wall sampling head is characterized in that a first limiting ring (231) and a second limiting ring (232) are arranged on the inner side wall of the thin-wall sampling head (23), the first limiting ring (231) and the second limiting ring (232) are coaxially arranged, a gap is formed between the first limiting ring (231) and the second limiting ring (232), and the bottom of the inner pipe body (30) is embedded in the gap.

5. A soil sample sectionalized layered sampling device as recited by claim 4, wherein: the inside of interior body (30) still slidable mounting has ejection of compact piston, the inside of interior body (30) is located to ejection of compact piston.