Rotary cutting soil sampler for geological exploration
By using a rotary cutting soil sampler in geological exploration, and employing a structure with alternating rotary and fixed cutters, the problem of plant roots obstructing soil sampling was solved, enabling smooth sampling and convenient soil sample extraction.
Patent Information
- Application Number
- CN202423084882.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-13
- Publication Date
- 2026-01-02
- Estimated Expiration
- 2034-12-13
AI Technical Summary
Existing soil sampling tools often encounter obstacles when sampling soil in areas where plant roots are developed, making it difficult to effectively cut plant roots in the soil and resulting in sampling difficulties.
A rotary cutting soil sampler for geological exploration was designed. Rotary and fixed cutters are alternately installed at the bottom of the soil sampler cylinder. Combined with a bulldozer mechanism, it can effectively cut plant roots and extract soil samples.
It enables successful sampling in the plant root zone, has a simple structure, is easy to use, can effectively cut plant roots in the soil, ensures that the soil sampler penetrates deep into the sampling layer and quickly pushes out the soil sample.
Smart Images

Figure CN223756361U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to geological exploration equipment technical field, especially relates to a rotary cutting earth sampler for geological exploration. TECHNICAL BACKGROUND
[0002] In the process of vegetation shallow slope protection engineering geological exploration, the sampling of root-containing soil body is very critical, and the physical and mechanical properties of root-soil complex in the engineering area can be understood by testing the sampled root-containing soil body.
[0003] In recent years, green and ecological construction is paid more and more attention to, in engineering construction, not only the safety and stability of engineering should be considered, but also the green and ecological construction of engineering, especially the slope protection form of slope engineering, various green and ecological protections are more and more, and it is very common to use plant root system to improve soil protection. Different from traditional grass greening, plant root system improvement not only has the functions of greening slope surface and soil and water conservation, but also has the effect of improving the physical and mechanical properties of soil. Due to the improvement of plant root system, the traditional earth sampler often encounters the obstruction of plant root system when taking soil, and the application designs a rotary cutting earth sampler aiming at this situation. SUMMARY
[0004] The rotary cutting earth sampler for geological exploration provided by the utility model aims at solving the problem that the existing earth sampler is blocked when taking soil in the plant root system development area.
[0005] The specific technical scheme adopted by the utility model is as follows: a rotary cutting earth sampler for geological exploration, comprising an earth taking cylinder, the inside of the earth taking cylinder is hollow, a rotary rod is connected to the top of the earth taking cylinder, a handle is connected to the top of the rotary rod, the bottom of the earth taking cylinder is provided with a chamfer, and a plurality of rotary cutters and fixed cutters are arranged on the outer peripheral wall of the chamfer.
[0006] Further, preferably, the rotary cutters and the fixed cutters are equidistantly and alternately arranged on the outer peripheral wall of the chamfer at the bottom of the earth taking cylinder.
[0007] Further, preferably, the rotary cutters and the fixed cutters are arranged parallel to the outer peripheral wall of the chamfer, the bottom edges of the rotary cutters and the fixed cutters exceed the bottom end of the earth taking cylinder, and the upper edges of the rotary cutters and the fixed cutters are outside the outer wall of the earth taking cylinder.
[0008] Further, preferably, the chamfer at the bottom of the earth taking cylinder is formed by gradually thinning the wall thickness at the bottom of the earth taking cylinder.
[0009] Further, preferably, the rotary cutters are rotationally connected with the outer peripheral wall of the chamfer at the bottom of the earth taking cylinder.
[0010] Further, preferably, the rotary cutters are connected with the outer peripheral wall of the chamfer at the bottom of the earth taking cylinder through a circular rotating shaft or a pin shaft.
[0011] Further, preferably, the fixed cutter is connected with the outer wall of the bottom chamfer of the soil sampling tube through a square fixed shaft by welding.
[0012] Further, preferably, a bulldozing plate is slidably arranged in the soil sampling tube, a push-pull rod is connected to the top of the bulldozing plate, and a handle is connected to the other end of the push-pull rod after penetrating the soil sampling tube, the rotating rod and the grip rod.
[0013] The rotating cutting soil sampler provided by the utility model has the advantages of simple structure and practicality, the rotating cutter and the fixed cutter are alternately arranged at the bottom of the soil sampler, the rotating cutter cuts the soil body and the plant root system in the process of rotating the soil sampler into the soil body, the fixed cutter cuts the soil body and the plant root system in the rotating direction, the plant root system is more easily cut in the sampling process, the plant root system is prevented from hindering the soil sampler, and the soil sampler can smoothly and deeply enter the sampling layer to complete sampling. BRIEF DESCRIPTION OF DRAWINGS
[0014] Figure 1 is a sectional view of the rotating cutting soil sampler for geological exploration in the embodiment;
[0015] Figure 2 is Figure 1 is a local enlarged view of A in the middle;
[0016] Figure 3 is a structural schematic view of the rotating cutting soil sampler for geological exploration in the embodiment;
[0017] Figure 4 is Figure 3 is an internal development plan view of the cutter and the soil sampling tube in the middle;
[0018] Figure 5 is Figure 3 is an external development plan view of the cutter and the soil sampling tube in the middle;
[0019] In the figure: 1-handle, 2-grip rod, 3-rotating rod, 4-push-pull rod, 5-soil sampling tube, 7-bulldozing plate, 8-rotating cutter, 9-fixed cutter, 10-connection shaft. DETAILED DESCRIPTION
[0020] In order to make the technical problems and technical solutions solved by the utility model more clear and understandable, the utility model is further described in detail below by combining with the drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the utility model, and are not used to limit the utility model.
[0021] In the description of the utility model, need understanding is, the orientation or position relation that the terms "longitudinal" "transverse" "upper" "lower" "front" "rear" "left" "right" "vertical" "horizontal" "top" "bottom" "inner" "outer" and the like indicate is based on the orientation or position relation shown in the drawing, only for the convenience of describing the utility model, and it is not indicated or implied that the device or element referred to must have a particular orientation, constructed and operated in a particular orientation, therefore, it cannot be understood as a limitation on the utility model.
[0022] In the description of the utility model, it is also necessary to explain that, unless otherwise expressly provided and limited, the terms "set" "install" "connect" should be broadly understood, for example, it can be fixedly connected, can be detachably connected, or integrally connected, can be mechanically connected, can be electrically connected, can be directly connected, can be indirectly connected through an intermediate medium, and can be connected inside two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to specific circumstances.
[0023] The technical scheme of the utility model is further illustrated below by specific embodiments in combination with the drawings.
[0024] One specific embodiment provides a rotating cutting soil sampler for geological exploration, as shown in Figure 1 Figure 3 As shown, the rotating cutting soil sampler comprises a soil taking cylinder 5, the inside of the soil taking cylinder 5 is hollow, the top of the soil taking cylinder 5 is connected with a rotating rod 3, the top of the rotating rod 3 is connected with a handle 2, the wall thickness of the soil taking cylinder 5 is thinned from the bottom 7 cm to form a chamfer, a plurality of rotating cutters 8 and fixed cutters 9 are installed in an array parallel to the chamfer outer peripheral wall, the rotating cutters 8 and the fixed cutters 9 are alternately arranged at equal intervals, the bottom edges of the rotating cutters 8 and the fixed cutters 9 exceed the bottom end of the soil taking cylinder 5, and the upper edges of the rotating cutters 8 and the fixed cutters 9 are outside the outer wall of the soil taking cylinder.
[0025] As shown in Figure 2 Figure 4As shown in the figure, the rotary cutter 8 is connected with the bottom chamfered outer wall of the soil sampling cylinder 5 through the connecting shaft 10, and a round shaft or a pin shaft can also be used for connection. The fixed cutter 9 is connected with the bottom chamfered outer wall of the soil sampling cylinder 5 through a square fixed shaft by welding. When the soil sample is taken in engineering geological exploration, vaseline or other lubricating substances can be applied on the inner wall and the outer wall of the soil sampling cylinder 5 to reduce the friction between the inner wall and the outer wall of the soil sampling cylinder 5 and the soil body to be taken, and then the handle 2 is rotated to drive the rotary rod 3 and the soil sampling cylinder 5 to rotate and penetrate into the soil body layer to be taken. In this process, the rotary cutter 8 and the fixed cutter 9 installed at the bottom chamfered portion of the soil sampling cylinder 5 cut the plant roots in the soil body layer to be taken, so that the plant roots are prevented, and the soil sampling cylinder 5 can penetrate into the sampling layer smoothly. With the continuous penetration of the soil sampling cylinder 5 into the soil sample layer, the soil sample is pressed into the inside of the soil sampling cylinder 5, and after the soil sample is taken, the soil sampling cylinder 5 is pulled out upward, and the soil sample in the soil sampling cylinder 5 is taken out, and the sampling is completed.
[0026] As a preferred embodiment of the present embodiment, the soil sampling cylinder 5 is slidably provided with the soil pushing plate 7, the top of the soil pushing plate 7 is connected with the push-pull rod 4, the other end of the push-pull rod 4 penetrates through the soil sampling cylinder 5, the rotary rod 3 and the handle 2, and is connected with the handle 1. The soil pushing plate 7, the push-pull rod 4 and the handle 1 jointly constitute a pushing mechanism, and the soil pushing plate 7 can be driven to slide up and down in the soil sampling cylinder 5 by pushing and pulling the handle 1, so that the soil sample in the soil sampling cylinder 5 is conveniently pushed out. Before sampling, the handle 1 is pulled upward to drive the soil pushing plate 7 to slide upward, so that the soil sampling cylinder 5 has a space for the soil sample to enter; after sampling, the handle 1 is pushed downward to drive the soil pushing plate 7 to slide downward, so that the soil sample in the soil sampling cylinder 5 is conveniently pushed out.
[0027] The present application is described in detail through specific and preferred embodiments, but those skilled in the art should understand that the present application is not limited to the above-mentioned embodiments, and any modification, equivalent replacement and the like made within the spirit and principle of the present application should be included in the protection scope of the present application.
Claims
1. A rotary cutting corer for geological exploration, characterised in that: Including the soil sampling tube (5), the inside of the soil sampling tube (5) is hollow, the top of the soil sampling tube (5) is connected with the rotating rod (3), the top of the rotating rod (3) is connected with the handle rod (2), the bottom of the soil sampling tube (5) is provided with chamfer, and a plurality of rotating cutters (8) and fixed cutters (9) are installed on the outer peripheral wall of the chamfer.
2. A rotary cutting corer for geological exploration according to claim 1, characterised in that: The rotating cutters (8) and the fixed cutters (9) are installed on the outer peripheral wall of the chamfer at the bottom of the soil sampling tube (5) alternately and equidistantly.
3. A rotary cutting corer for geological exploration according to claim 1, characterised in that: The rotating cutters (8) and the fixed cutters (9) are arranged parallel to the outer peripheral wall of the chamfer, the bottom edges of the rotating cutters (8) and the fixed cutters (9) exceed the bottom end of the soil sampling tube (5), and the upper edges of the rotating cutters (8) and the fixed cutters (9) are outside the outer wall of the soil sampling tube.
4. A rotary cutting corer for geological exploration according to claim 1, characterised in that: The chamfer at the bottom of the soil sampling tube (5) is formed due to the slow thinning of the wall thickness at the bottom of the soil sampling tube.
5. A rotary cutting corer for geological exploration according to any one of claims 1 to 4, characterised in that: The rotating cutters (8) are rotationally connected with the outer peripheral wall of the chamfer at the bottom of the soil sampling tube (5).
6. A rotary cutting corer for geological exploration according to any one of claims 1 to 4, characterised in that: The rotating cutters (8) are connected with the outer peripheral wall of the chamfer at the bottom of the soil sampling tube (5) through a circular rotating shaft or a pin shaft.
7. A rotary cutting corer for geological exploration according to any one of claims 1 to 4, characterised in that: The fixed cutters (9) are connected with the outer peripheral wall of the chamfer at the bottom of the soil sampling tube (5) through a square fixed shaft by welding.
8. The rotary cutting corer for geological exploration according to any one of claims 1-4, characterized in that: The bulldozing plate (7) is slidably arranged in the soil sampling tube (5), the top of the bulldozing plate (7) is connected with the push-pull rod (4), the other end of the push-pull rod (4) is connected with the handle (1) after penetrating through the soil sampling tube (5), the rotating rod (3) and the handle rod (2).