CN214667771U - Undisturbed soil cutting ring type soil taking drill - Google Patents
Undisturbed soil cutting ring type soil taking drill Download PDFInfo
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- CN214667771U CN214667771U CN202120299219.1U CN202120299219U CN214667771U CN 214667771 U CN214667771 U CN 214667771U CN 202120299219 U CN202120299219 U CN 202120299219U CN 214667771 U CN214667771 U CN 214667771U
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- 239000002689 soil Substances 0.000 title claims abstract description 92
- 230000005484 gravity Effects 0.000 claims abstract description 28
- 238000005527 soil sampling Methods 0.000 claims abstract description 13
- 238000005553 drilling Methods 0.000 claims description 7
- 241001074085 Scophthalmus aquosus Species 0.000 abstract 1
- 238000005070 sampling Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 230000004323 axial length Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model relates to a native cutting ring formula of original state soil borrows native brill has solved the problem that is difficult to guarantee the original state of soil sample when borrowing. The undisturbed soil cutting ring type soil sampling drill comprises a handle, a drill rod and a drill bit assembly, wherein the handle is installed at the upper end of the drill rod, and the drill bit assembly is installed at the lower end of the drill rod. The upper half part of the drill bit body is of a straight cylindrical structure, and the lower half part of the drill bit body is of a conical cylindrical structure; the upper half part of the drill bit body is provided with two cutting ring placing openings which are axially symmetrical along the drill bit body; the cutting ring placing door completely covers the cutting ring placing opening; the movable cutting ring is arranged in the drill bit body by opening a cutting ring placing door at one side; the movable cutting ring is pushed out of the drill bit body by opening the cutting ring placing doors on the two sides, and at the moment, redundant soil on the upper surface and the lower surface of the movable cutting ring is flattened by the cutting ring placing openings, so that a finished cylindrical soil sample is obtained. In addition, an observation opening is further formed in the top of the drill bit body, and soil is taken to observe whether the movable cutting ring is full of soil. And a gravity hammer is sleeved on the drill rod, so that the soil taking efficiency is improved.
Description
Technical Field
The utility model relates to a soil drill, concretely relates to original state soil cutting ring formula soil sampling soil drill.
Background
Soil sampling has been an important task in the fields of modern agriculture, geology, water conservancy, environmental protection and the like. In order to determine the physicochemical property of a soil sample, the soil sample needs to be collected, and soil drilling is mostly used for soil collection at present. The existing soil drill has two main types, one type is that a narrow gap is cut on a drill bit, the other type is that the drill bit is split, the former cannot guarantee the accurate layering of a soil sample, and soil taking is inconvenient, the latter cannot guarantee the integrity of the soil sample, particularly the sand soil or frozen soil is difficult to accurately layer, and the original shape of the soil sample is kept. Therefore, how to ensure the original state of the soil sample during soil sampling is lack of an effective solution at present.
Disclosure of the invention
The utility model aims at solving the problem that the original state of the soil sample is difficult to guarantee when fetching the soil, and providing an original state soil cutting ring formula soil sampling bores.
In order to achieve the above purpose, the utility model provides a technical scheme as follows:
the utility model provides an original state soil cutting ring formula soil sampling bores, includes handle, drilling rod, drill bit assembly, and the upper end installation handle of drilling rod, lower extreme installation drill bit assembly, its characterized in that: the drill bit assembly comprises a drill bit body, a cutting ring placing door and a movable cutting ring;
the upper half part of the drill bit body is of a straight cylindrical structure, and the lower half part of the drill bit body is of a conical cylindrical structure; the upper half part of the drill bit body is provided with two cutting ring placing openings which are axially symmetrical along the drill bit body; the cutting ring placing door completely covers the cutting ring placing opening; the movable cutting ring is arranged in the drill bit body by opening a cutting ring placing door at one side; the movable cutting ring is pushed out of the drill bit body by opening the cutting ring placing doors on the two sides;
the movable cutting ring is sleeved in the drill bit body in a sliding mode, and the overall dimension of the movable cutting ring needs to meet the following conditions:
1、D3＞D1＞D2；
d1 is the outer diameter of the movable cutting ring, D2 is the small end caliber of the conical cylindrical structure of the drill bit body, and D3 is the radial length of the cutting ring placing opening (44);
2.H1>H2；
h1 is the length of the cutting ring placing opening in the axial direction, and H2 is the height of the movable cutting ring.
Further, arc-shaped clamping grooves are formed in the outer surfaces of the upper end and the lower end of the straight cylindrical structure; the cutting ring placing door is arranged between the two circular arc-shaped clamping grooves, and the cutting ring placing door slides in the clamping grooves.
Furthermore, at least one observation hole is opened at the top of the drill bit body. Observe whether the inside movable cutting ring of drill bit body is full of soil, avoid extrudeing the soil sample, reduce the amount of labour, reduce the sample time.
Furthermore, a gravity hammer is also arranged, and the gravity hammer is coaxially sleeved on the drill rod and moves up and down along the drill rod. The gravity hammer freely falls to the top of the drill bit body along the drill rod, so that the top of the drill bit body is uniformly stressed, and the labor capacity is reduced.
Further, the gravity hammer is of a hollow cylindrical structure, and the radius of the gravity hammer is smaller than the diameter of the straight cylindrical structure. When deep soil samples are taken, the gravity hammer can also freely fall to the top of the drill bit body in a channel formed by sampling.
Further, the drill bit body is 100mm long; the height of the movable ring cutter is 50mm, the diameter is 50.46mm, and the volume is 100cm3。
The utility model has the advantages that:
1. the original shape of the soil sample is guaranteed. When the soil drill is used for collecting soil samples, a sampler holds the handle, the drill bit body is vertically inserted into the sampled soil, the gravity hammer is lifted to be tightly attached to the handle, the gravity hammer freely falls to the top of the drill bit body along the drill rod, the top of the drill bit body is evenly stressed, and the soil drill is vertically driven into the soil in a circulating mode for multiple times. And finally, taking the earth drill out of the earth, opening the two cutting ring placing doors, pushing out the movable cutting ring from one of the cutting ring placing doors, and flattening the movable cutting ring up and down. And after the movable cutting ring is taken out of the drill bit body, pushing out the soil sample in the movable cutting ring. The original state of the soil sample is prevented from being damaged by buckling the soil sample out of the drill bit body.
2. Simple structure and convenient operation. This movable cutting ring of soil drill is separable with the drill bit body, places putting into and taking out of mouthful realization movable cutting ring through seting up the cutting ring on the drill bit body, puts into the drill bit originally internally with movable cutting ring earlier during the borrowing, after soil was full of movable cutting ring, takes out movable cutting ring from the drill bit body, convenient operation. In addition, the redundant soil on the upper surface and the lower surface of the movable cutting ring is flattened by the cutting ring placing opening, so that a finished cylindrical soil sample is obtained.
3. And (4) sampling in a layered mode and reducing the multilayer structure of the soil sample. When the soil sample is collected by using the soil drill in a layered mode, original soil is taken out from top to bottom according to the length of the drill rod and the repeated sampling process after soil in the drill bit body is cleaned.
4. Soil taking is easy, and efficiency is improved. The utility model provides a soil drill is equipped with the gravity hammer, and the drill rod is located to the gravity hammer cover, reciprocates along the drill rod. When hard soil is taken, the gravity hammer is lifted to be tightly attached to the handle, the gravity hammer freely falls to the top of the drill bit body along the drill rod, and the circulation is repeated for many times, so that the soil drill is vertically driven into the soil. The gravity hammer can insert the drill bit assembly into soil by means of external force, and is simple and rapid. In addition, a plurality of observation holes are designed at the top of the drill bit body, so that whether the movable cutting ring inside the drill bit body is full of soil or not can be observed, the soil sample is prevented from being extruded, the labor capacity is reduced, and the sampling time is shortened.
Drawings
FIG. 1 is a structural diagram of an undisturbed soil cutting ring type soil sampling drill, wherein a cutting ring placing door at one side is opened, and a movable cutting ring is placed in a drill bit body;
FIG. 2 is a block diagram of the upper portion of the bit body;
FIG. 3 is a block diagram of a ring cutter positioning door;
the reference numbers are as follows:
1-handle, 2-drill rod, 3-gravity hammer, 4-drill bit body, 41-observation hole, 42-cutting ring placing door, 43-movable cutting ring, 44-cutting ring placing opening and 45-clamping groove.
Detailed Description
The technical solution of the present invention will be clearly and completely described with reference to the accompanying drawings.
As shown in figure 1, the undisturbed soil cutting ring type soil sampling drill comprises a handle 1, a drill rod 2 and a drill bit assembly, wherein the handle 1 is installed at the upper end of the drill rod 2, and the drill bit assembly is installed at the lower end of the drill rod.
The drill bit assembly includes a bit body 4, a ring cutter placing gate 42 and a movable ring cutter 43. The entire length of the bit body 4 is 100 mm. The upper half part of the drill bit body 4 is of a straight cylindrical structure, and the lower half part of the drill bit body is of a conical cylindrical structure; the upper half part of the drill bit body 4 is provided with two cutting ring placing openings 44 which are symmetrical along the axial direction of the drill bit body 4; the ring cutter placing door 42 completely covers the ring cutter placing opening 44; the movable cutting ring 43 is slidably sleeved in the drill bit body 4, and the external dimension of the movable cutting ring 43 needs to satisfy: the outer diameter of the movable cutting ring 43 is slightly larger than the small end caliber of the conical cylindrical structure of the drill bit body 4 and slightly smaller than the radial length of the cutting ring placing opening 44; the axial length of the cutting ring placing opening is slightly larger than the height of the movable cutting ring.
As shown in fig. 2, when the ring cutter placing door 42 on one side is opened, the movable ring cutter 43 can be installed in the drill body 4 through the ring cutter placing opening 44 on the one side, and the outer diameter of the movable ring cutter 43 is larger than the small-end caliber of the tapered cylindrical structure of the drill body 4, so that the movable ring cutter 43 does not fall out of the drill body 4. When the ring cutter placing doors 42 on the two sides are opened, the movable ring cutter 43 is pushed by the ring cutter placing opening 44 on one side, and the movable ring cutter 43 can be pushed out from the ring cutter placing opening 44 on the other side. At this time, the excess soil on the upper and lower surfaces of the movable cutter 43 is leveled by the cutter placing port 44, thereby obtaining a completed cylindrical soil sample. The movable cutting ring 43 is 50mm high, 50.46mm in diameter and 100cm in volume.
As a further improvement of the utility model, all be equipped with convex draw-in groove 45 on the surface of the upper end of the straight tubular structure of drill bit body 4 and lower extreme, the door 42 setting is placed between two convex draw-in grooves 45 to the cutting ring, slides in draw-in groove 45, and the structure that door 42 was placed to the cutting ring is shown in fig. 3.
As a further improvement of the present invention, as shown in fig. 2, two observation holes 41 are provided at the top of the drill bit body 4, and the two observation holes 41 are bilaterally symmetrical. When borrowing soil, the accessible inspection hole 41 observes whether the inside movable cutting ring 43 of drill bit body 4 is full of soil, avoids extrudeing the soil sample, reduces unnecessary work, and then reduces the sample time.
As the utility model discloses a further step improvement, this soil drill still is equipped with gravity hammer 3, and gravity hammer 3 is the hollow cylindrical structure in middle part, and gravity hammer 3's radius is not more than the diameter of the straight tube-shaped structure of drill bit body 4. The gravity hammer 3 is sleeved on the drill rod 2 and moves up and down along the drill rod 2, so that the drill bit body 4 can be inserted into soil conveniently, and the stress of the drill bit body 4 is uniform. In addition, in the multi-layer sampling, since the radius of the gravity hammer 3 is not larger than the diameter of the drill bit body 4, the gravity hammer 3 can freely fall to the top of the drill bit body 4 in the channel formed by the sampling.
The novel soil borrowing process is as follows:
when collecting soil samples, a sampler holds the handle 1 by hand and vertically inserts the drill bit assembly into the sampled soil, and the handle 1 can be directly pressed by hand in soft soil without using the gravity hammer 3; when hard soil is taken out, the gravity hammer 3 is lifted to be tightly attached to the handle 1, the gravity hammer 3 freely falls to the top of the drill bit body 4 along the drill rod 2, and the circulation is repeated for many times, so that the soil drill is vertically driven into the soil. Meanwhile, whether the inner movable cutting ring 43 is full of soil is observed through the observation hole 41, after the inner movable cutting ring is full of soil, the drill bit assembly is taken out of the soil, the two cutting ring placing openings 44 are opened, the movable cutting ring 43 is pushed by the cutting ring placing opening 44 on one side, the movable cutting ring 43 can be pushed out from the cutting ring placing opening 44 on the other side, and at the moment, redundant soil on the upper surface and the lower surface of the movable cutting ring 43 is flattened by the cutting ring placing openings 44, so that a finished cylindrical soil sample is obtained. After the movable cutting ring 43 is taken out from the drill bit body 4, the soil sample in the movable cutting ring 43 is pushed out, and then the undisturbed soil can be taken out.
If the layering sample, with the soil clean up back in the drill bit body 4, according to 2 lengths of drilling rods, above-mentioned sample process is repeated, takes out original state soil from the top down, just can take out multilayer soil sample.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. The utility model provides an original state soil cutting ring formula geotome, includes handle (1), drilling rod (2), drill bit assembly, and handle (1) are installed to the upper end of drilling rod (2), and drill bit assembly, its characterized in that are installed to the lower extreme: the drill bit assembly comprises a drill bit body (4), a cutting ring placing door (42) and a movable cutting ring (43);
the upper half part of the drill bit body (4) is of a straight cylindrical structure, and the lower half part of the drill bit body is of a conical cylindrical structure; two cutting ring placing openings (44) are formed in the upper half part of the drill bit body (4) and are axially symmetrical along the drill bit body (4); the cutting ring placing door (42) completely covers the cutting ring placing opening (44); the movable cutting ring (43) is arranged in the drill bit body (4) by opening the cutting ring placing door (42) at one side; the movable cutting ring (43) is pushed out from the drill bit body (4) by opening the cutting ring placing doors (42) at the two sides;
the movable cutting ring (43) is sleeved in the drill bit body (4) in a sliding mode, and the external dimension of the movable cutting ring (43) needs to meet the following conditions:
1）、D3＞D1＞D2；
d1 is the outer diameter of the movable cutting ring (43), D2 is the small end caliber of the conical cylindrical structure of the drill bit body (4), and D3 is the radial length of the cutting ring placing opening (44);
2）.H1>H2；
h1 is the length of the cutting ring placing opening in the axial direction, and H2 is the height of the movable cutting ring.
2. The undisturbed soil cutting ring type soil sampling drill according to claim 1, wherein: arc-shaped clamping grooves (45) are formed in the outer surfaces of the upper end and the lower end of the straight cylindrical structure;
the cutting ring placing door (42) is arranged between the two circular arc clamping grooves (45).
3. The undisturbed soil cutting ring type soil sampling drill according to any one of claims 1 or 2, wherein: the top of the drill bit body (4) is provided with at least one observation hole (41).
4. The undisturbed soil cutting ring type soil sampling drill according to claim 3, wherein: the drilling machine is also provided with a gravity hammer (3), the gravity hammer (3) is coaxially sleeved on the drill rod (2), and the gravity hammer (3) moves up and down along the drill rod (2).
5. The undisturbed soil cutting ring type soil sampling drill according to claim 4, wherein: the gravity hammer (3) is of a hollow cylindrical structure, and the radius of the gravity hammer (3) is smaller than the diameter of the straight cylindrical structure.
6. The undisturbed soil cutting ring type soil sampling drill according to claim 5, wherein: the whole length of the drill bit body (4) is 100 mm; the height of the movable cutting ring (43) is 50mm, the diameter is 50.46mm, and the volume is 100cm3。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120299219.1U CN214667771U (en) | 2021-02-02 | 2021-02-02 | Undisturbed soil cutting ring type soil taking drill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120299219.1U CN214667771U (en) | 2021-02-02 | 2021-02-02 | Undisturbed soil cutting ring type soil taking drill |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214667771U true CN214667771U (en) | 2021-11-09 |
Family
ID=78445506
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120299219.1U Active CN214667771U (en) | 2021-02-02 | 2021-02-02 | Undisturbed soil cutting ring type soil taking drill |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214667771U (en) |
-
2021
- 2021-02-02 CN CN202120299219.1U patent/CN214667771U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230428 Address after: 710000 north of Xingtai 7th Street, Chanba District, Xi'an City, Shaanxi Province Patentee after: SHAANXI DIJIAN LAND ENGINEERING TECHNOLOGY RESEARCH INSTITUTE Co.,Ltd. Patentee after: Shaanxi Dijian Land Engineering Quality Inspection Co.,Ltd. Address before: 710021 north side of Xingtai seventh street, Chanba District, Xi'an City, Shaanxi Province Patentee before: SHAANXI DIJIAN LAND ENGINEERING TECHNOLOGY RESEARCH INSTITUTE Co.,Ltd. |
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| TR01 | Transfer of patent right |