CN216870067U

CN216870067U - Novel spiral geotome

Info

Publication number: CN216870067U
Application number: CN202220360494.4U
Authority: CN
Inventors: 李其勇; 张鸿; 李星月; 易军; 符慧娟
Original assignee: Institute of Plant Protection Sichuan Academy of Agricultural Sciences
Current assignee: Institute of Plant Protection Sichuan Academy of Agricultural Sciences
Priority date: 2022-02-22
Filing date: 2022-02-22
Publication date: 2022-07-01
Anticipated expiration: 2032-02-22

Abstract

The utility model discloses a novel spiral soil sampler, which comprises a steel rod and a sleeve; a handle is arranged at the top of the steel rod; the bottom of the steel rod is connected with a spiral drill bit; the sleeve is sleeved outside the steel rod; the upper part of the sleeve is in a hollow round table shape, and the outer wall of the circumference of the upper part of the sleeve is horizontally provided with a turntable handle; the outer wall of the circumference of the lower end of the sleeve is provided with a chamfer surface. The sleeve is rotatably sleeved outside the steel rod; the bottom of steel pole is connected with auger bit for the sample, when using, auger bit all exposes the sleeve to drill and carry out the rotation sample in the soil, after reacing the sample depth, drill into soil with sleeve rethread handle rotation again, reach corresponding degree of depth after, take out the soil layer with sleeve and auger bit are whole, rise the back with the sleeve rotation again, soil sample on the drill bit can all be collected. The regularity and the integrality of soil sampling have been guaranteed like this, prevent that the sample from dropping, scattering and disappearing, and the soil sample is collected conveniently, and the clearance is also easier, improves the sample quality.

Description

Novel spiral geotome

Technical Field

The utility model relates to the field of soil sampling, in particular to a novel spiral soil sampler.

Background

At present, the conventional undisturbed soil sampling technology for exploration drilling is adopted in the soil geological exploration in China, including a drive-in type technology and a press-in type technology, but in the prior art, when the soil is sticky, particularly blocky soil is difficult to lift, and the soil around a sampling drill bit is provided for a plurality of times, so that the soil amount in the vertical direction of sampling is different, when the soil is sandy soil, soil samples can fall off when the soil lifts, and the situation easily causes different quality of the sample soil and influences the measurement precision; in addition, in the use of the existing soil sampling device, soil samples are accumulated in the cylinder, so that the sample soil is difficult to take out, difficult to clean and extremely inconvenient to use; therefore, a soil sampling device which can uniformly sample soil with different textures, can keep the regularity and integrity of the sampling, prevent falling and scattering, is convenient for collecting soil samples and is easier to clean is needed.

SUMMERY OF THE UTILITY MODEL

In order to solve the above problems, the present invention provides a novel spiral soil sampler, which can ensure uniform sampling in soils with different textures, maintain regularity and integrity of sampling, and improve sampling quality.

In order to realize the purpose, the utility model adopts the technical scheme that:

a novel spiral soil sampler comprises a steel rod and a sleeve; a handle is arranged at the top of the steel rod; the bottom of the steel rod is connected with a spiral drill bit; the sleeve is sleeved outside the steel rod; the upper part of the sleeve is in a hollow round table shape, and the outer wall of the circumference of the upper part of the sleeve is horizontally provided with a turntable handle; the outer wall of the circumference of the lower end of the sleeve is provided with a chamfer.

Further, the outer diameter of the auger bit is equal to the outer diameter of the steel rod.

Further, the inner diameter of the sleeve is 3-5mm larger than the outer diameter of the steel rod.

Further, the outer surfaces of the handle and the turntable handle are sleeved with anti-skidding handle sleeves.

Furthermore, sampling ports are symmetrically formed in the sleeve; the number of the sampling ports is at least two.

The utility model has the beneficial effects that:

the utility model provides a novel spiral soil sampler, which comprises a steel rod and a sleeve, wherein the outer circumference of the steel rod is provided with an external thread, the inner circumference of the sleeve is provided with an internal thread, and the two sections of threads are meshed to enable the sleeve to be rotatably sleeved outside the steel rod; the bottom of steel pole is connected with auger bit for the sample, when using, auger bit all exposes the sleeve to drill and carry out the rotation sample in the soil, after reacing the sample depth, drill into soil with sleeve rethread handle rotation again, reach corresponding degree of depth after, take out the soil layer with sleeve and auger bit are whole, after lifting the sleeve rotation again, soil sample on the drill bit can all be collected. The regularity and the integrality of soil sampling have been guaranteed like this, prevent that the sample from dropping, scattering and disappearing, and the soil sample is collected conveniently, and the clearance is also easier, improves the sample quality.

Drawings

Fig. 1 is a schematic view of the overall structure of the soil sampler of the present invention.

In the figure: 1. a steel rod; 2. a sleeve; 3. a handle; 4. a helical drill bit; 5. a turntable handle; 6. an anti-slip handle sleeve; 7. a sampling port.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described with reference to the accompanying drawings. In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Example 1

As shown in fig. 1, the present embodiment provides a novel spiral soil sampler, which includes a steel rod 1 and a sleeve 2; the top of the steel rod 1 is provided with a handle 3; the bottom of the steel rod 1 is connected with a spiral drill bit 4; the sleeve 2 is sleeved outside the steel rod 1; the upper part of the sleeve 2 is in a hollow round table shape, and a turntable handle 5 is horizontally arranged on the outer wall of the circumference of the upper part of the sleeve 2; the outer wall of the circumference of the lower end of the sleeve 2 is provided with a chamfer.

Specifically, the middle section of the outer circumference of a steel rod 1 is provided with an external thread, the middle section of the inner part of a sleeve 2 is provided with an internal thread, the threads at two ends are meshed, so that the sleeve 2 and the steel rod 1 can be rotatably connected, the sleeve 2 can be lifted and lowered by rotating a turntable handle 5, and the meshed structure can also ensure that the sleeve 2 and the steel rod 1 can be fixed without falling to influence the soil taking of a spiral drill bit 4 during soil drilling; the bottom of the steel rod 1 is connected with a spiral drill bit 4, the spiral drill bit 4 is used for drilling into soil for sampling, as a better implementation mode, the connection can be welding, so that the drill bit and the steel rod 1 are connected into a whole, the upper part of the sleeve 2 is in a hollow circular truncated cone shape, the sleeve 2 is conveniently sleeved outside the steel rod 1, the steel rod 1 and the sleeve 2 are conveniently meshed with each other, and a turntable handle 5 is horizontally arranged on the outer wall of the circumference of the upper part and used for rotating the sleeve 2 to enable the sleeve 2 to rotate to ascend or descend; the outer wall of the circumference of the lower end of the sleeve 2 is provided with a chamfer, so that the sleeve 2 can more easily rotate into the sampled soil, and the strength is saved; it should be noted that the length of the steel rod 1, the length of the auger bit 4 and the length of the sleeve 2 may be set according to practical situations, and the present invention is not limited thereto.

Example 2

As shown in fig. 1, the present embodiment is developed on the basis of the above embodiments, and further, the present embodiment provides a novel spiral soil sampler, wherein the outer diameter of the spiral drill 4 is equal to the outer diameter of the steel rod 1, and the outer diameters of the spiral drill and the steel rod are the same, so that the shape of the whole sampler can be kept consistent, the installation of the whole sampler on the outer sleeve 2 is facilitated, the spiral soil sampler can meet the requirement of a small amount of multi-point sampling in a test, and the uniformity of sampling is ensured.

Further, the inner diameter of the sleeve 2 is larger than the outer diameter of the steel rod 1 by 3-5mm, the integrity and the regularity of a soil sampling sample are guaranteed, and the phenomenon that soil falls from a gap to affect the sampling quality due to the fact that the gap is too large is prevented.

Further, the outer surface cover of handle 3 and carousel handle 5 is equipped with anti-skidding handle cover 6, when preventing that handle 3 and carousel handle 5 from rotating, because skid, influence normal work, sets up anti-skidding handle cover 6, avoids the device to influence normal work because the handle skids when using.

Further, sampling ports 7 are symmetrically formed in the sleeve 2; the number of the sampling ports 7 is at least two, and the sampling ports 7 are arranged to facilitate cleaning of residual soil in the device, so that influence of the residual soil on the next sampling quality is avoided; it should be noted that the position of the sampling port 7 can be opened according to the actual situation, but the sampling port 7 is not opened in the thread section; the number of sampling ports 7 can also be set according to specific situations, and preferably, the sampling ports 7 are symmetrically arranged in the same section.

Example 3

The present embodiment is developed on the basis of the above embodiments, and specifically, the present embodiment provides a specific working manner of a novel spiral soil sampler, as follows:

when the spiral soil sampler is used, the spiral drill bit 4 is completely exposed out of the sleeve 2, the spiral drill bit 4 is drilled into soil for sampling by rotating the handle 3, the sleeve 2 is rotated to drill into the soil through the turntable handle 5 after the sampling depth is reached, the sleeve 2 and the spiral drill bit 4 are completely taken out of the soil layer after the corresponding depth is reached, the sleeve 2 is rotated and lifted, soil samples on the drill bit can be completely collected, uniform sampling is realized, the regularity and integrity of sampling are ensured, the soil is prevented from falling and scattering, and the soil sampling efficiency is improved; remaining soil sample accessible sample connection 7 is cleared up on 2 inner walls of sleeve, avoids soil residue to pile up, influences the sample quality.

The foregoing shows and describes the general principles, essential features, and advantages of the utility model. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a novel spiral geotome which characterized in that: comprises a steel rod (1) and a sleeve (2); the top of the steel rod (1) is provided with a handle (3); the bottom of the steel rod (1) is connected with a spiral drill bit (4); the sleeve (2) is sleeved outside the steel rod (1); the upper part of the sleeve (2) is in a hollow round table shape, and the outer wall of the circumference of the upper part of the sleeve (2) is horizontally provided with a turntable handle (5); the outer wall of the circumference of the lower end of the sleeve (2) is provided with a chamfer.

2. The novel spiral geotome of claim 1 wherein: the outer diameter of the spiral drill bit (4) is equal to the outer diameter of the steel rod (1).

3. The novel spiral soil sampler of claim 1, wherein: the inner diameter of the sleeve (2) is 3-5mm larger than the outer diameter of the steel rod (1).

4. The novel spiral geotome of claim 1 wherein: the outer surfaces of the handle (3) and the turntable handle (5) are sleeved with anti-skidding handle sleeves (6).

5. The novel spiral geotome of claim 1 wherein: the sleeve (2) is symmetrically provided with sampling ports (7); the number of the sampling ports (7) is at least two.