Improved cutting ring for taking soil sample when soil compaction degree is measured by cutting ring method

Abstract

The utility model relates to an improved cutting ring for taking a soil sample when the compaction degree of a soil body is measured by a cutting ring method. The cutting ring comprises a holding handle, a circular blade and a cutting ring body, the holding handle is provided with a handle, a vertical rod and a cutter sleeve, the two ends of the vertical rod are connected with the handle and the cutter sleeve respectively, the cutter sleeve is provided with an observation and ventilation hole, a semicircular opening and a first butt joint thread, and the circular blade is arranged on the circular blade. The circular blade is inserted into the semicircular opening to flatly cut a soil sample, the cutting ring is provided with a butt joint thread II, and the butt joint thread I is matched with the butt joint thread II, so that the holding handle is detachably connected with the cutting ring, time and labor are saved, the cutting ring can be prevented from being damaged when being taken out, the experiment process is not changed, and operation and disassembly are convenient; a semicircular opening is formed in the holding handle, and a soil sample can be cut by inserting a circular blade.

Description

Technical Field

[0001] The utility model belongs to the technical field of soil sample detection auxiliary devices, and particularly relates to an improved ring knife for taking soil samples when measuring soil compaction using a ring knife method. Background Art

[0002] Municipal road projects involve the construction of "roadbed soil", while construction projects involve the construction of "backfill soil". Obviously, the quality control of sub-projects related to "soil" is one of the important contents of construction project quality management.

[0003] Whether it's roadbed soil or construction backfill, compaction is a key indicator of construction quality. Compaction, also known as tamping, refers to the ratio of the dry density of compacted soil or other construction materials to the standard maximum dry density, expressed as a percentage.

[0004] The "ring knife method" currently used in construction projects is difficult to sample when testing compaction. Once the ring knife is embedded in the soil, it is difficult to remove it, and if the ring knife is damaged, it is difficult to cut the soil sample flat.

[0005] In summary, there is an urgent need to invent a new type of ring knife sampling device to improve the efficiency of soil sampling and simplify the soil sampling process. Utility Model Content

[0006] The utility model aims to provide an improved ring knife for taking soil samples when measuring soil compaction by the ring knife method, so as to solve the technical problems that sampling is difficult when measuring soil compaction by the ring knife method, the ring knife is difficult to remove after being embedded in the soil, the ring knife is damaged, and it is difficult to cut flat.

[0007] In order to achieve the above objectives, the technical solution adopted by the utility model is:

[0008] An improved ring knife for taking soil samples when measuring soil compaction using the ring knife method, comprising a gripping handle, a circular blade and a ring knife, wherein the gripping handle is provided with a handle, a vertical pole and a knife sleeve, the two ends of the vertical pole are respectively connected to the handle and the knife sleeve, the knife sleeve is provided with an observation and ventilation hole, a semicircular opening and a first docking thread, the circular blade is inserted into the semicircular opening to cut the soil sample flat, and the ring knife is provided with a second docking thread, the first docking thread and the second docking thread cooperate to make the gripping handle and the ring knife detachable.

[0009] Furthermore, the handle is arranged at the upper end of the vertical pole, and the knife sleeve is arranged at the lower end of the vertical pole.

[0010] Furthermore, the observation and ventilation holes are arranged on the upper part of the knife sleeve, and the docking thread is arranged on the lower part of the knife sleeve.

[0011] Furthermore, the semicircular opening is arranged above the docking thread 1, and the size of the semicircular opening is adapted to the size of the circular blade, and the size of the circular blade is adapted to the size of the tool sleeve.

[0012] Furthermore, the second docking thread is arranged on the upper part of the ring cutter.

[0013] Furthermore, a circular blade handle is provided on the circular blade to facilitate the circular blade to be inserted into the semicircular opening to cut the soil sample flat.

[0014] Beneficial effects of the utility model:

[0015] The improved ring knife for taking soil samples when measuring soil compaction using the ring knife method of the utility model can be taken out by holding the handle, which saves time and effort and avoids damage to the ring knife during removal without changing the experimental process, is easy to operate and easy to disassemble. A semicircular opening is provided on the holding handle, and a circular blade can be inserted to cut the soil sample. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 Schematic diagram of the gripping structure of the improved ring knife for taking soil samples when measuring soil compaction using the ring knife method in Example 1;

[0017] Figure 2 Schematic diagram of the circular blade structure of the improved ring knife for taking soil samples when measuring soil compaction using the ring knife method in Example 1;

[0018] Figure 3 Schematic diagram of the ring knife structure of the improved ring knife for taking soil samples when measuring soil compaction using the ring knife method in Example 1.

[0019] In the figure: 1. Grip; 2. Circular blade; 3. Ring blade; 4. Handle; 5. Vertical pole; 6. Sheath; 7. Observation and ventilation hole; 8. Semicircular opening; 9. Docking thread 1; 10. Docking thread 2; 11. Circular blade handle. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present invention will be described clearly and completely below with reference to the accompanying drawings in the embodiments of the present invention.

[0021] The improved ring knife method for measuring soil compaction degree in the utility model is used to take soil samples. Figure 1-3 shown.

[0022] Example 1

[0023] The improved ring knife for taking soil samples when measuring the compaction degree of soil by the ring knife method of this embodiment includes a gripping handle 1, a circular blade 2 and a ring knife 3. The gripping handle 1 is provided with a handle 4, a vertical rod 5 and a knife sleeve 6. The two ends of the vertical rod 5 are respectively connected to the handle 4 and the knife sleeve 6. The handle 4 is arranged at the upper end of the vertical rod 5, and the knife sleeve 6 is arranged at the lower end of the vertical rod 5.

[0024] The knife sleeve 6 is provided with an observation and ventilation hole 7, a semicircular opening 8 and a docking thread 9. The observation and ventilation hole 7 is provided at the upper part of the knife sleeve 6, and the docking thread 9 is provided at the lower part of the knife sleeve 6. The circular blade 2 is inserted into the semicircular opening 8 to cut the soil sample flat. The semicircular opening 8 is provided above the docking thread 9. The size of the semicircular opening 8 is adapted to the size of the circular blade 2, and the size of the circular blade 2 is adapted to the size of the knife sleeve 6.

[0025] The ring cutter 3 is provided with a second docking thread 10, and the second docking thread 10 is provided on the upper part of the ring cutter 3. The first docking thread 9 and the second docking thread 10 cooperate to make the holding handle 1 and the ring cutter 3 detachable.

[0026] The circular blade 2 is provided with a circular blade handle 11 to facilitate the circular blade 2 to be inserted into the semicircular opening 8 to cut the soil sample flat.

[0027] The improved ring knife method for taking soil samples when measuring soil compaction:

[0028] The holding handle 1 is connected to the ring cutter 3 by cooperating with the docking thread 1 9 and the docking thread 2 10, and then the holding handle 1 is hammered to embed the ring cutter 3 into the soil, and the amount of soil in the ring cutter 3 is observed through the observation and air vent 7 to observe whether the test requirements are met. After meeting the requirements, the soil around the ring cutter is loosened, and the upper holding handle 1 is shaken to take out the ring cutter 3. The holding handle 1 is provided with a semicircular opening 8. The circular blade 2 is used to cut the soil through the semicircular opening 8. After removing the holding handle 1, the test can be continued.

[0029] Finally, it should be noted that in the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, they cannot be understood as a limitation on the present invention.

[0030] It should also be noted that, in the description of this utility model, unless otherwise expressly specified or limited, the terms "disposed," "installed," "connected," and "connected" should be understood in a broad sense. For example, they may refer to fixed connections, detachable connections, or integral connections; they may refer to mechanical connections or electrical connections; they may refer to direct connections or indirect connections through an intermediate medium; and they may refer to internal communication between two components. Those skilled in the art will be able to understand the specific meanings of the above terms in this utility model based on specific circumstances.

Claims

1. An improved ring knife for taking soil samples when measuring soil compaction using the ring knife method, characterized by: It includes a gripping handle, a circular blade and a ring knife. The gripping handle is provided with a handle, a vertical pole and a knife sleeve. The two ends of the vertical pole are respectively connected to the handle and the knife sleeve. The knife sleeve is provided with observation and ventilation holes, a semicircular opening and a docking thread 1. The circular blade is inserted into the semicircular opening to cut the soil sample flat. The ring knife is provided with a docking thread 2. The docking thread 1 and the docking thread 2 cooperate to make the gripping handle and the ring knife detachable.

2. The improved ring knife for taking soil samples when measuring soil compaction by the ring knife method according to claim 1, characterized in that: The handle is arranged at the upper end of the vertical pole, and the knife sleeve is arranged at the lower end of the vertical pole.

3. The improved ring knife for taking soil samples when measuring soil compaction by the ring knife method according to claim 1, characterized in that: The observation and ventilation holes are arranged on the upper part of the knife sleeve, and the docking thread is arranged on the lower part of the knife sleeve.

4. The improved ring knife for taking soil samples when measuring soil compaction by the ring knife method according to claim 1, characterized in that: The semicircular opening is arranged above the docking thread 1, and the size of the semicircular opening is adapted to the size of the circular blade, and the size of the circular blade is adapted to the size of the knife sleeve.

5. The improved ring knife for taking soil samples when measuring soil compaction by the ring knife method according to claim 1, characterized in that: The second butt thread is arranged on the upper part of the ring cutter.

6. The improved ring knife for taking soil samples when measuring soil compaction by the ring knife method according to claim 4, characterized in that: The circular blade is provided with a circular blade handle, which facilitates the circular blade to be inserted into the semicircular opening to cut the soil sample flat.

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