CN209783946U - Crop rhizosphere soil sampler - Google Patents

Abstract

the utility model relates to a crop rhizosphere soil sampler discloses one kind can carry out the transverse cut along the rhizosphere, the complete soil sampler that carries out the collection with rhizome and soil. The collecting operation is simple, and the rhizosphere soil sample can be rapidly collected. The utility model discloses a sampling pipe, including the bracing piece, the bracing piece outside is arranged in to its characterized in that two arc stand pipes symmetries, the bottom of arc stand pipe is bent to the horizontal direction, the bottom of arc stand pipe has been put and has been sealed the baffle, it is articulated mutually with the arc stand pipe to seal the baffle, the top of arc stand pipe extends to bracing piece outside arc, and two arc stand pipe outsides are arranged in to the spiral blade cover, arc stand pipe and bracing piece are integrated into one piece, the leading-in pipe has been put to the bracing piece bottom, and is located between two arc stand pipe bottoms, the leading-in pipe is the tip structure, and the bracing piece top is arranged in to the drive connecting sleeve, and in two arc stand pipes were arranged respectively to two sampling pipe one ends, the sampling.

Description

crop rhizosphere soil sampler

Technical Field

The utility model relates to a crop rhizosphere soil sampler relates to a sampler of taking a sample to crop rhizosphere soil, belongs to the agricultural equipment field. In particular to a soil sampler which can transversely cut along the rhizosphere and completely collect rhizomes and soil.

Background

At present, rhizosphere soil is one of the most active parts of plant energy and substance metabolism, wherein a large number of microorganisms exist, the microorganisms mainly take rhizosphere secretion as nutrition and nutrients, the activity of the microorganisms in the soil can be influenced by the secretion of the plants, and further the stock of an organic carbon library of the soil is changed, so that the rhizosphere soil needs to be sampled, the activity of the microorganisms in the soil and the change of the physicochemical property of the soil are observed and researched, a root shaking method is traditionally adopted, soil collection is carried out by shaking off roots, soil is easy to fall off before collection due to the fact that the soil is attached to the surface of the roots, the collection accuracy is influenced, the existing method for collecting soil samples between rhizospheres is to stretch a plant root into a round pipe, then the soil is put into the round pipe, then planted in a planting tray, the soil is added, the soil of the round pipe is taken out after cultivation, the soil of the round pipe is rhizosphere soil, and the method is easy to cause the lack of oxygen of the plant root in the, the other method is to cut the planted soil equally for multiple times to obtain rhizosphere soil, the method is complex in treatment process and high in operation difficulty, and the rhizosphere soil with a fixed quantity and a fixed range is difficult to obtain.

Publication number CN203101092U discloses a rhizosphere sampler for collecting rhizosphere soil, which comprises an air suction device and a support, wherein the air suction device is arranged at the bottom of the support, a moving rod and a moving bandage are arranged on the support, and a hook is arranged on the moving rod. The support is a telescopic mechanism and comprises a plurality of telescopic pipes which are mutually sleeved together, the device is complex in structure and inconvenient to operate and use, and rhizosphere soil sample collection cannot be carried out quickly.

Disclosure of Invention

In order to improve the condition, the utility model relates to a crop rhizosphere soil sampler provides one kind and can carry out the transverse cutting along the rhizosphere, and the soil sampler who gathers rhizome and soil is complete. The collecting operation is simple, and the rhizosphere soil sample can be rapidly collected.

The utility model relates to a crop rhizosphere soil sampler which is realized by that the crop rhizosphere soil sampler comprises a driving connecting sleeve, a holding handle, a supporting rod, a helical blade, a sealing baffle, a leading-in pipe, arc-shaped guide pipes, sampling pipes and a bending groove, wherein the two arc-shaped guide pipes are symmetrically arranged at the outer side of the supporting rod, the bottom ends of the arc-shaped guide pipes are bent towards the horizontal direction, the sealing baffle is arranged at the bottom ends of the arc-shaped guide pipes, the sealing baffle is hinged with the arc-shaped guide pipes, the top ends of the arc-shaped guide pipes extend towards the outer side of the supporting rod in an arc shape, the helical blade sleeves the outer sides of the two arc-shaped guide pipes, the arc-shaped guide pipes and the supporting rod are integrally formed, the leading-in pipe is arranged at the bottom ends of the two arc-shaped guide pipes and is positioned between the bottom ends of the two arc-shaped guide pipes, the sampling pipe other end is outwards worn out from arc stand pipe top, the sampling pipe other end is last to have been put and is held the handle, the symmetry is opened on the sampling pipe has two sets of crooked grooves, and a set of crooked groove comprises four at least crooked grooves, and just the crooked groove in two sets of crooked grooves staggers mutually, the width in crooked groove increases from inside to outside gradually, the inboard in crooked groove extends to the sampling pipe intermediate position, the sampling pipe inner wall has put a plurality of rubber archs.

Has the beneficial effects.

The method can be used for collecting the transverse rhizosphere soil, and the collecting effect is better.

And secondly, the collection operation is simple, and the rhizosphere soil sample can be rapidly collected.

Thirdly, the structure is simple, and the mobile carrying is convenient.

Drawings

fig. 1 is a schematic structural diagram of the crop rhizosphere soil sampler of the present invention.

Fig. 2 is a three-dimensional structure diagram of the crop rhizosphere soil sampler of the present invention, which only shows a three-dimensional schematic diagram of the guiding structure.

fig. 3 is a three-dimensional structure diagram of the sampling tube of the crop rhizosphere soil sampler of the utility model.

In the attached drawings

Wherein the method comprises the following steps: the device comprises a driving connecting sleeve (1), a holding handle (2), a supporting rod (3), a helical blade (4), a sealing baffle plate (5), a guide pipe (6), an arc-shaped guide pipe (7), a sampling pipe (8) and a bending groove (9).

The specific implementation mode is as follows:

The utility model relates to a crop rhizosphere soil sampler is realized like this, by drive adapter sleeve (1), grip (2), bracing piece (3), helical blade (4), baffle (5), leading-in pipe (6), arc stand pipe (7), sampling pipe (8) and bending groove (9) constitution, two arc stand pipes (7) are symmetrically arranged in the bracing piece (3) outside, the bottom of arc stand pipe (7) is bent to the horizontal direction, baffle (5) is arranged to the bottom of arc stand pipe (7), baffle (5) and arc stand pipe (7) are articulated mutually, the top of arc stand pipe (7) extends to the outside arc of bracing piece (3), helical blade (4) set is in two arc stand pipes (7) outside, arc stand pipe (7) and bracing piece (3) are integrated into one piece, leading-in pipe (6) is arranged to the bottom of bracing piece (3), and be located between two arc stand pipes (7) bottoms, leading-in pipe (6) are the tip structure, and bracing piece (3) top is arranged in drive adapter sleeve (1), and two arc stand pipes (7) are arranged respectively in to two sampling pipe (8) one end, sampling pipe (8) other end is worn out from arc stand pipe (7) top outwards, sampling pipe (8) other end is last to have been put and is gripped handle (2), sampling pipe (8) are gone up the symmetry and have been opened two sets of crooked groove (9), and a set of crooked groove (9) comprise at least four crooked groove (9), and just crooked groove (9) in two sets of crooked groove (9) stagger mutually, the width of crooked groove (9) increases from inside to outside gradually, the inboard of crooked groove (9) extends to sampling pipe (8) intermediate position, sampling pipe (8) inner wall has been put a plurality of rubber archs.

When the device is used, when crop rhizosphere soil is sampled, the driving connecting sleeve (1) is connected with an external drilling machine, the lead-in pipe (6) is pricked into the soil surface layer to be fixed, the fixed point is 8-10cm away from a plant rootstock, the drilling machine drives the whole sampler to rotate through the driving connecting sleeve (1), the helical blade (4) at the outer side of the sampler carries out rotary cutting and drilling on the soil in the rotating process, then the two arc-shaped guide pipes (7) are drilled and fixed in the soil, then the direction is adjusted to enable the outlet at the bottom ends of the arc-shaped guide pipes (7) to face to be used as the position of the rootstock, then the two sampling pipes (8) are respectively pushed through the holding handle (2), the two sampling pipes (8) respectively slide inwards along the corresponding arc-shaped guide pipes (7), the sealing baffle plate (5) is pushed away and penetrates out from the bottom ends of the arc-shaped guide pipes (7), and the bottom ends of the, the bottom end port of the arc-shaped guide pipe (7) faces the horizontal direction, the arc-shaped guide pipe (7) is guided to move in the soil in the horizontal direction through bending of the bending groove (9), soil sample collection is further carried out in the horizontal direction, the pushing amount of the arc-shaped guide pipe (6) into the soil is controlled to control the sampling amount, the sampling pipe transversely cuts rhizosphere and surrounding soil during sampling, and the integrity between the soil body and the rhizomes is kept;

The arc-shaped guide pipe (7) and the support rod (3) are integrally formed, so that the overall stability is good, the drilling stability is good, and the efficiency is high;

The design that the inner side of the bending groove (9) extends to the middle position of the sampling pipe (8) enables the sampling pipe (8) to be easy to bend, and the sampling pipe (8) is ensured to horizontally enter soil along the bottom end of the arc-shaped guide pipe (7);

The inner wall of the sampling pipe (8) is provided with a plurality of rubber bulges, so that the friction force between the sampling pipe (8) and soil can be increased, and a soil sample is not easy to fall off when the sampling pipe (8) is taken out;

the purpose of complete cutting and sampling of the rhizosphere can be achieved.

The above embodiments are the preferred embodiments of the present invention, and are not intended to limit the scope of the present invention. Any person skilled in the art can make some modifications without departing from the scope of the invention, i.e. all equivalent modifications made according to the invention are intended to be covered by the scope of the invention.

It should also be noted that, unless otherwise specifically stated or limited, the terms "disposed on," "mounted on," "connected to" and "connected to" are to be construed broadly and may include, for example, a fixed connection such as a crimped connection, a riveted connection, a pinned connection, an adhesive connection, a welded connection, a removable connection such as a threaded connection, a snap connection, a hinged connection, an integral connection, an electrical connection, a direct connection, an indirect connection through an intermediate medium, and a communication between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Claims (5)

1. A crop rhizosphere soil sampler is characterized in that: the sampling tube comprises a driving connecting sleeve, a holding handle, a supporting rod, helical blades, a sealing baffle, a leading-in tube, arc-shaped guide tubes, sampling tubes and bending grooves, wherein the two arc-shaped guide tubes are symmetrically arranged on the outer side of the supporting rod, the bottom ends of the arc-shaped guide tubes are bent towards the horizontal direction, the sealing baffle is arranged at the bottom ends of the arc-shaped guide tubes, the sealing baffle is hinged with the arc-shaped guide tubes, the top ends of the arc-shaped guide tubes extend towards the outer side of the supporting rod in an arc shape, the helical blades are sleeved on the outer sides of the two arc-shaped guide tubes, the leading-in tube is arranged at the bottom end of the supporting rod and is positioned between the bottom ends of the two arc-shaped guide tubes, the leading-in tube is of a pointed structure, the driving connecting sleeve is arranged at the top end of the supporting rod, one ends of the two sampling tubes are respectively arranged in, the bending grooves in the two groups of bending grooves are staggered, and the width of the bending grooves is gradually increased from inside to outside.

2. A crop rhizosphere soil sampler according to claim 1 wherein a set of said curved grooves consists of at least four curved grooves.

3. A crop rhizosphere soil sampler according to claim 1 or 2 wherein the inside of the curved slot extends to the middle of the sampling tube.

4. The crop rhizosphere soil sampler of claim 1, wherein the inner wall of the sampling tube is provided with a plurality of rubber protrusions.

5. The crop rhizosphere soil sampler of claim 1, wherein the arc guide tube and the support rod are integrally formed.