WO2021143390A1

WO2021143390A1 - Deep soil stratified sampling device for soil investigation sampling

Info

Publication number: WO2021143390A1
Application number: PCT/CN2020/133895
Authority: WO
Inventors: 苗涛; 付建芳; 吴可钦
Original assignee: 交大环境保护研究院(江苏)有限公司
Priority date: 2020-01-15
Filing date: 2020-12-04
Publication date: 2021-07-22
Also published as: CN211825116U

Abstract

A deep soil stratified sampling device for soil investigation sampling, comprising a soil collection rod (1) and a support mechanism. A telescopic column (2) is provided at the top end of the soil collection rod (1), a handle (3) is fixedly connected to the top end of the telescopic column (2), a rotating sleeve (4) is provided at the top end of the outer surface of the soil collection rod (1), a limiting elastic piece (11) is provided on each of two sides of the inner wall of the rotating sleeve (4), a rotating ring (12) is fixedly connected to the bottom end of the inner wall of the rotating sleeve (4), and a dustproof ring (10) is fixedly connected to the top end of the inner wall of the rotating sleeve (4). The present invention facilitates adjustment of the height of the device, so that short working personnel does not need to bend to operate, greatly reducing the workload of working personnel.

Description

Deep soil layered sampling device in soil survey sampling

Technical field

The utility model belongs to the field of soil technology, and specifically relates to a layered sampling device for deep soil in soil survey sampling.

Background technique

Soil refers to a layer of loose material on the earth's surface, composed of various granular minerals, organic matter, moisture, air, microorganisms, etc., which can grow plants. The soil is composed of minerals, animals and plants, and organic matter produced by the decomposition of microbial residues, soil organisms, moisture, air, and oxidized humus. However, deep soil layered sampling devices appearing in the market for soil survey sampling There are still various shortcomings that cannot meet the needs of production.

During the use of the existing deep soil layered sampling device in soil survey sampling, due to the height of the person, it is necessary to bend over for the operation of the short staff, which will cause waist pain and labor. Therefore, we propose a deep soil layered sampling device for soil survey sampling.

Utility model content

The purpose of this utility model is to provide a layered sampling device for deep soil in soil survey sampling to solve the problem of the height of the person during use of the existing deep soil layered sampling device in soil survey and sampling proposed in the background art mentioned above. , For workers with short height, they need to bend over to operate, so that the waist will be sore when used, and the labor force will be large.

In order to achieve the above objective, the present invention provides the following technical solution: a layered sampling device for deep soil in soil survey sampling, comprising a borrow rod and a supporting mechanism, the top of the borrow rod is provided with a telescopic column, the telescopic column The top end of the rotating sleeve is fixedly connected with a handle, the top end of the outer surface of the soil borrow rod is provided with a rotating sleeve, both sides of the inner wall of the rotating sleeve are provided with limited elastic pieces, and the bottom end of the inner wall of the rotating sleeve is fixedly connected with a rotating ring, so The top end of the inner wall of the rotating sleeve is fixedly connected with a dust ring.

Preferably, the support mechanism is located on the outer surface of the soil borrow rod, the support mechanism includes a fixed collar, the top end of the fixed collar is fixedly connected with a fixed spring, and the top end of the fixed spring is fixedly connected with a fixed block, so Both sides of the lower surface of the fixed collar are fixedly connected with connecting rods, and the bottom end of the outer surface of the soil borrow rod is provided with a supporting sheet.

Preferably, the rotating sleeve has a hollow structure, and the diameter of the top end of the inner wall of the rotating sleeve is larger than the diameter of the bottom end of the inner wall of the rotating sleeve by one centimeter.

Preferably, the cross-sectional shape of the limiting elastic piece is a right-angled trapezoid, and the bottom end of the limiting elastic piece is fixedly connected to the soil borrow rod.

Preferably, the cross-sectional shape of the rotating ring is circular, and the inner wall of the rotating ring is provided with a thread A.

Preferably, a thread B is opened on the outer side of the limiting elastic piece, and the thread A and the thread B are matched.

Preferably, the borrow rod is a semi-hollow cylinder, and the diameter of the telescopic column is smaller than the diameter of the inner wall of the borrow rod by five millimeters.

Preferably, the cross-sectional shapes of the fixing collar and the supporting piece are both circular, and the fixing collar is fixedly connected to the supporting piece by two connecting rods.

Compared with the prior art, the beneficial effects of this utility model are:

1. The designed rotating sleeve, dustproof ring, limit shrapnel and rotating ring installed on the top of the outer surface of the borrow rod are designed to facilitate the adjustment of the use height of the device, preventing the short staff from needing to bend over for operation. Greatly reduce the labor burden of the staff.

2. The fixed block, fixed collar, fixed spring, connecting rod and support piece designed to be installed on the outer surface of the soil borrow rod facilitate the support of the device, prevent the device from tipping when in use, and greatly improve Improve the stability of the device.

Description of the drawings

Figure 1 is a schematic diagram of the structure of the utility model;

Figure 2 is a partial front sectional structural diagram of the rotating sleeve of the utility model;

Figure 3 is a partial top sectional view of the structure of the rotating sleeve of the utility model;

Figure 4 is a schematic diagram of a partial structure of the supporting sheet of the present invention.

In the figure: 1. Soil rod; 2. Telescopic column; 3. Handle; 4. Rotating sleeve; 5. Fixed block; 6. Fixed spring; 7. Fixed collar; 8. Connecting rod; 9. Support sheet; 10. , Dust ring; 11. Limit shrapnel; 12. Rotating ring.

Detailed ways

The following will clearly and completely describe the technical solutions in the embodiments of the present utility model with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, not all implementations. example. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative work shall fall within the scope of protection of the present utility model.

Please refer to Figures 1-4. This utility model provides a technical solution: a layered sampling device for deep soil in soil survey sampling, comprising a soil sampling rod 1 and a supporting mechanism. The top of the soil sampling rod 1 is provided with a telescopic column 2. The top end of the telescopic column 2 is fixedly connected with a handle 3, the top of the outer surface of the soil extraction rod 1 is provided with a rotating sleeve 4, both sides of the inner wall of the rotating sleeve 4 are provided with limit springs 11, and the bottom end of the inner wall of the rotating sleeve 4 is fixedly connected with a rotating The ring 12 and the top end of the inner wall of the rotating sleeve 4 are fixedly connected with a dustproof ring 10, which is convenient for adjusting the use height of the device.

In order to facilitate supporting the device, in this embodiment, preferably, the supporting mechanism is located on the outer surface of the soil borrow rod 1. The supporting mechanism includes a fixed collar 7, and the top of the fixed collar 7 is fixedly connected with a fixed spring 6. The top end of the fixed spring 6 is fixedly connected with a fixed block 5, both sides of the lower surface of the fixed collar 7 are fixedly connected with connecting rods 8, and the bottom end of the outer surface of the soil borrow rod 1 is provided with a supporting piece 9.

In order to facilitate the rotation of the rotating sleeve 4, in this embodiment, it is preferable that the rotating sleeve 4 has a hollow structure, and the diameter of the top end of the inner wall of the rotating sleeve 4 is larger than the diameter of the bottom end of the inner wall of the rotating sleeve 4 by one centimeter.

To facilitate fixing of the limiting elastic piece 11, in this embodiment, preferably, the cross-sectional shape of the limiting elastic piece 11 is a right-angle trapezoid, and the bottom end of the limiting elastic piece 11 is fixedly connected to the soil extraction rod 1.

In order to facilitate the movement of the rotating ring 12, in this embodiment, preferably, the cross-sectional shape of the rotating ring 12 is a circular ring, and the inner wall of the rotating ring 12 is provided with a thread A.

In order to facilitate further movement of the rotating ring 12, in this embodiment, preferably, a thread B is provided on the outer side of the limiting elastic piece 11, and the thread A and the thread B are matched.

In order to facilitate the adjustment of the telescopic column 2, in this embodiment, preferably, the soil extraction rod 1 is a semi-hollow cylinder, and the diameter of the telescopic column 2 is smaller than the diameter of the inner wall of the soil extraction rod 1 by five millimeters.

In order to facilitate the movement of the support piece 9, in this embodiment, preferably, the cross-sectional shapes of the fixed collar 7 and the support piece 9 are both circular, and the fixed collar 7 is fixedly connected to the support piece 9 by two connecting rods 8.

The working principle and use process of the utility model: After the installation of the device is completed, when the height of the handle 3 needs to be adjusted, the rotating sleeve 4 can be rotated, and the rotating sleeve 4 drives the rotating ring 12 to rotate. Under the action, the rotating ring 12 can be moved downwards, so that the two limit shrapnels 11 do not fit with the two sides of the telescopic column 2, and the height of the telescopic column 2 can be adjusted. After the adjustment is completed, the rotating sleeve 4 can be rotated in reverse. According to the same principle, the inner side of the two limiting shrapnels 11 can be attached to the two sides of the telescopic column 2 so that the telescopic column 2 cannot be stretched or contracted. When in use, the lower surface of the support sheet 9 is attached to the ground, and then Press the handle 3 to slowly insert the bottom end of the borrow rod 1 into the ground. At the same time, the supporting piece 9 drives the fixed collar 7 to move under the action of the two connecting rods 8. The fixed block 5 is fixed with the borrow rod 1 , The fixing collar 7 compresses the fixing spring 6 under the action of the fixing block 5 to support the device and prevent tilting during use.

Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it will be understood that various changes and modifications can be made to these embodiments without departing from the principle and spirit of the present invention. , Substitutions and modifications, the scope of the present invention is defined by the appended claims and their equivalents.

Claims

A layered sampling device for deep soil in soil survey and sampling, comprising a borrow rod (1) and a supporting mechanism, characterized in that: the top of the borrow rod (1) is provided with a telescopic column (2), and the telescopic column The top end of (2) is fixedly connected with a handle (3), the top of the outer surface of the soil extraction rod (1) is provided with a rotating sleeve (4), and both sides of the inner wall of the rotating sleeve (4) are provided with limit springs ( 11) The bottom end of the inner wall of the rotating sleeve (4) is fixedly connected with a rotating ring (12), and the top end of the inner wall of the rotating sleeve (4) is fixedly connected with a dust ring (10).
The layered sampling device for deep soil in soil survey sampling according to claim 1, characterized in that: the supporting mechanism is located on the outer surface of the soil borrow rod (1), and the supporting mechanism includes a fixed collar (7) , The top end of the fixed collar (7) is fixedly connected with a fixed spring (6), the top end of the fixed spring (6) is fixedly connected with a fixed block (5), and the lower surface of the fixed collar (7) is two Both sides are fixedly connected with a connecting rod (8), and the bottom end of the outer surface of the soil borrow rod (1) is provided with a supporting sheet (9).
The deep soil layered sampling device for soil survey sampling according to claim 1, characterized in that: the rotating sleeve (4) is a hollow structure, and the diameter of the top end of the inner wall of the rotating sleeve (4) is larger than that of the rotating sleeve (4). The diameter of the bottom end of the inner wall of the sleeve (4) is one centimeter.
The deep soil layered sampling device for soil survey sampling according to claim 1, wherein the cross-sectional shape of the limiting shrapnel (11) is a right-angle trapezoid, and the bottom of the limiting shrapnel (11) The end is fixedly connected to the borrow rod (1).
The deep soil layered sampling device for soil survey sampling according to claim 1, characterized in that: the cross-sectional shape of the rotating ring (12) is a circular ring, and the inner wall of the rotating ring (12) is opened There is thread A.
The layered sampling device for deep soil in soil survey sampling according to claim 1, characterized in that: the outer side of the limit elastic piece (11) is provided with a thread B, and the thread A and the thread B are matched.
The deep soil layered sampling device for soil survey sampling according to claim 1, characterized in that: the soil sampling rod (1) is a semi-hollow cylinder, and the diameter of the telescopic column (2) is smaller than that of the soil sampling The diameter of the inner wall of the rod (1) is five millimeters.
The deep soil layered sampling device for soil survey sampling according to claim 2, characterized in that: the cross-sectional shape of the fixed collar (7) and the supporting sheet (9) are both circular, and the The fixing collar (7) is fixedly connected with the supporting sheet (9) through two connecting rods (8).