A soil sampling device for slope compaction detection

Abstract

The utility model relates to a soil taking device for slope compaction degree detection relates to a soil taking device. The utility model discloses in order to solve the problem that the cutting ring is prone to bias when taking soil on the slope, and then reduces the accuracy of compaction degree detection result. The utility model discloses small, simple structure, when the soil body sampling is carried out on the slope, the lower end surface of fixed cylinder and the lower surface of each support plate all abut against the slope, play the positioning effect, make the axis of soil taking cutting ring, cutting ring seat and guide rod all keep the vertical state with the slope, and the cutting ring, cutting ring seat and guide rod are fed to the slope under the action of external force in the process, and the guide frame plays the guiding effect, avoids the soil taking cutting ring to take place the bias in the process of beating and hitting, improves the accuracy of slope compaction degree detection result. The utility model belongs to the technical field of slope compaction degree detection.

Description

Technical Field

[0001] This utility model relates to a soil sampling device, specifically a soil sampling device for slope compaction testing, and belongs to the field of slope compaction testing technology. Background Technology

[0002] During the construction of dikes, a layered compaction method is usually used to fill the slope layer by layer to enhance the flood resistance and stability of the dike. If the compaction degree of the slope is insufficient, it will have an adverse effect on the slope under the influence of rainwater infiltration. The compaction degree will directly affect the stability of the slope. Therefore, it is very necessary to test the compaction degree of the slope.

[0003] The ring cutter method for testing compaction is a widely used method on construction sites, commonly known as "ring crushing". As specified in standard T0923-1995, the ring cutter and ring cap are placed in a directional tube perpendicular to the ground, then the ring cutter is hammered into the soil layer with a hammer, and finally the ring cutter filled with soil sample is dug out with a shovel.

[0004] However, when performing the above operations on a slope, the ring cutter needs to be struck multiple times. The angle of each strike cannot be completely perpendicular to the slope. During the striking process, the ring cutter is prone to deflection and shaking, which leads to significant disturbance to the compacted soil during sampling. This reduces the accuracy of the compaction test results.

[0005] In summary, how to propose a novel soil sampling device to address the aforementioned technical problems has become a pressing issue for those skilled in the art. Utility Model Content

[0006] This invention addresses the shortcomings of the prior art by providing a soil sampling device for detecting slope compaction.

[0007] The technical solution of this utility model is: a soil sampling device for slope compaction testing, comprising a fixed cylinder, a guide frame, a guide rod, a ring cutter seat, a soil sampling ring cutter, and several support plates.

[0008] The cutter head is arranged inside the fixed cylinder, the guide rod is coaxially fixed to one end face of the cutter head, and the soil sampling cutter is coaxially installed on the other end face of the cutter head.

[0009] Both the guide frame and the ring cutter seat have inspection holes. The guide frame and the fixed cylinder are arranged coaxially, and the upper end faces of the guide frame and the fixed cylinder are connected by a bayonet. The guide frame and the guide rod are slidably connected.

[0010] Several support plates are installed on the outer circumference of the fixed cylinder in a circular array. The support plates are perpendicular to the axis of the fixed cylinder, and ground nails are integrally provided on the lower surface of the support plates.

[0011] Furthermore, the soil sampling ring cutter is coaxially mounted on the lower end face of the ring cutter holder via a thread.

[0012] Furthermore, the end face of the ring cutter holder facing the soil-taking ring cutter is provided with an annular cutting edge.

[0013] Furthermore, the axial height of the cutter head is greater than the length of the thread on the soil sampling cutter ring.

[0014] Furthermore, the support plate is mounted on the outer circumferential surface of the fixed cylinder by screws.

[0015] Compared with the prior art, the present invention has the following advantages:

[0016] This utility model is small in size and simple in structure. When sampling soil on a slope, the lower end face of the fixed cylinder 100 and the lower surface of each support plate 200 are abutted against the slope, which plays a positioning role. This ensures that the axes of the soil sampling ring cutter 600, the ring cutter seat 500 and the guide rod 400 are all perpendicular to the slope. Furthermore, as the soil sampling ring cutter 600, the ring cutter seat 500 and the guide rod 400 are fed into the slope under the action of external force, the guide frame 300 plays a guiding role, preventing the soil sampling ring cutter 600 from deviating during the impact process, thus improving the accuracy of the slope compaction test results. Attached Figure Description

[0017] Figure 1 This is an isometric drawing of this utility model;

[0018] Figure 2 This is a schematic diagram showing the connection between the guide rod 400, the ring cutter seat 500, and the soil sampling ring cutter 600 in this utility model;

[0019] Figure 3 This is a schematic diagram of the method for taking soil from a slope according to this utility model.

[0020] In the diagram: 100, fixed cylinder; 200, support plate; 210, ground nail; 300, guide frame; 400, guide rod; 500, cutter ring seat; 600, soil sampling ring cutter. Detailed Implementation

[0021] To make the invention objectives, features, and advantages of this utility model more apparent and understandable, the technical solutions in the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings.

[0022] Specific implementation method one: Combining Figures 1 to 3 This embodiment describes a soil sampling device for slope compaction testing, comprising a fixed cylinder 100, a guide frame 300, a guide rod 400, a ring cutter seat 500, a soil sampling ring cutter 600, and several support plates 200.

[0023] The ring cutter holder 500 is arranged inside the fixed cylinder 100, the guide rod 400 is coaxially fixed to one end face of the ring cutter holder 500, and the soil sampling ring cutter 600 is coaxially installed on the other end face of the ring cutter holder 500.

[0024] Both the guide frame 300 and the cutter head 500 have viewing holes, which makes it easy to observe whether the soil sampling ring cutter 600 is filled with soil.

[0025] The guide frame 300 and the fixed cylinder 100 are arranged coaxially, and the upper end faces of the guide frame 300 and the fixed cylinder 100 are connected by a bayonet. The guide frame 300 is slidably connected to the guide rod 400.

[0026] Several support plates 200 are installed on the outer circumferential surface of the fixed cylinder 100 in a circumferential array. The lower surface of the support plate 200 is flush with the lower end face of the fixed cylinder 100. The support plate 200 is perpendicular to the axis of the fixed cylinder 100. The lower surface of the support plate 200 is integrally provided with ground nails 210. This arrangement enhances the stability between the fixed cylinder 100 and the slope.

[0027] Specific Implementation Method Two: Combining Figures 1 to 3 In this embodiment, the soil sampling ring cutter 600 is coaxially mounted on the lower end face of the ring cutter seat 500 via a thread.

[0028] Furthermore, the end face of the cutter head 500 facing the soil sampling cutter 600 is provided with an annular cutting edge, which facilitates the cutting head 500 to feed into the soil under external force.

[0029] Furthermore, the axial height of the cutter head 500 is greater than the length of the thread on the cutter head 600. This design facilitates the overflow of soil from the upper end face of the cutter head 600, allowing the cutter head 600 to be filled with soil.

[0030] The other components and connections are the same as in Specific Implementation Method 1.

[0031] Specific implementation method three: Combining Figures 1 to 3 In this embodiment, the support plate 200 is mounted on the outer circumferential surface of the fixed cylinder 100 by screws. This arrangement facilitates the installation and disassembly of the support plate 200 and reduces the volume of the present invention when stored.

[0032] Furthermore, the fixed cylinder 100 has weight-reduction holes. This design reduces the weight of the fixed cylinder 100 while ensuring that the rigidity of the fixed cylinder 100 meets the usage requirements.

[0033] The other components and connections are the same as in specific implementation method one or two.

[0034] Specific implementation method four: Combination Figures 1 to 3In this embodiment, the soil sampling ring cutter 600, the ring cutter seat 500, and the guide rod 400 are all made of stainless steel. Other components and connections are the same as in specific embodiments one, two, or three.

[0035] Working principle

[0036] Combination Figures 1 to 3 To explain the working principle of this utility model, the following steps should be followed when performing soil extraction operations on a slope:

[0037] Step 1: Before taking soil samples on the slope, use screws to install several support plates 200 in a circular array on the outer circumferential surface of the fixing cylinder 100, and ensure that the lower surface of the support plate 200 is flush with the lower end face of the fixing cylinder 100.

[0038] Step 2: Select a soil sampling location on the slope, drive the ground nails 210 into the slope, and ensure that the lower end face of the fixing cylinder 100 and the lower surface of each support plate 200 are in contact with the slope.

[0039] Step 3: First, thread the soil sampling ring cutter 600 to the ring cutter seat 500. Then, pass the guide rod 400 through the guide frame 300. Finally, connect the guide frame 300 to the upper end face of the fixed cylinder 100. At this time, the axes of the soil sampling ring cutter 600, the ring cutter seat 500, and the guide rod 400 are all perpendicular to the slope.

[0040] Step 4: Use a hammer to strike the guide rod 400 several times, so that the soil sampling ring cutter 600, the ring cutter seat 500 and the guide rod 400 are fed into the slope together under the action of external force. During the feeding process, the fixed cylinder 100 plays a positioning role and the guide frame 300 plays a guiding role to prevent the soil sampling ring cutter 600 from deviating during the striking process.

[0041] Step 5: After the soil sampling ring 600 is filled with soil sample, remove the guide frame 300 from the fixed cylinder 100. At this time, the soil sampling ring 600, the ring holder 500, and the guide rod 400 remain in the slope. Pull the fixed cylinder 100 and the support plate 200 out of the slope together, then dig out the soil sampling ring 600 with a shovel, and then unscrew the soil sampling ring 600 from the ring holder 500. Finally, remove the excess soil from both ends of the soil sampling ring 600. This completes the soil sampling work for one sampling location.

[0042] The present invention has been disclosed above with reference to preferred embodiments, but it is not intended to limit the present invention. Any simple modifications, equivalent changes and alterations made by those skilled in the art to the above embodiments without departing from the technical solution of the present invention shall still fall within the scope of the technical solution of the present invention.

Claims

1. A soil sampling device for detecting slope compaction, characterized in that: It includes a fixed cylinder (100), a guide frame (300), a guide rod (400), a ring cutter seat (500), a soil sampling ring cutter (600), and several support plates (200). The ring cutter holder (500) is arranged inside the fixed cylinder (100), the guide rod (400) is coaxially fixed to one end face of the ring cutter holder (500), and the soil sampling ring cutter (600) is coaxially installed on the other end face of the ring cutter holder (500); Both the guide frame (300) and the ring cutter holder (500) have viewing holes. The guide frame (300) and the fixed cylinder (100) are arranged coaxially, and the upper end faces of the guide frame (300) and the fixed cylinder (100) are connected by a bayonet. The guide frame (300) and the guide rod (400) are slidably connected. The plurality of support plates (200) are mounted on the outer circumferential surface of the fixed cylinder (100) in a circumferential array. The support plates (200) are perpendicular to the axis of the fixed cylinder (100), and ground nails (210) are integrally provided on the lower surface of the support plates (200).

2. The soil sampling device for slope compaction testing according to claim 1, characterized in that: The soil sampling ring cutter (600) is coaxially mounted on the lower end face of the ring cutter seat (500) via a thread.

3. A soil sampling device for slope compaction testing according to claim 2, characterized in that: The ring cutter holder (500) has an annular cutting edge on the end face facing the soil sampling ring cutter (600).

4. A soil sampling device for slope compaction testing according to claim 3, characterized in that: The axial height of the ring cutter holder (500) is greater than the length of the thread on the soil sampling ring cutter (600).

5. A soil sampling device for slope compaction testing according to claim 4, characterized in that: The support plate (200) is mounted on the outer circumferential surface of the fixed cylinder (100) by screws.

6. A soil sampling device for slope compaction testing according to claim 5, characterized in that: The fixed cylinder (100) has a weight reduction hole.

7. A soil sampling device for slope compaction testing according to claim 6, characterized in that: The soil sampling ring cutter (600), ring cutter seat (500) and guide rod (400) are all made of stainless steel.

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