Cutting ring auxiliary device for deep soil sampling
By designing the ring knife auxiliary device of the pressure mechanism, double-flap soil extraction mechanism and ring knife soil extraction mechanism, the problems of structural damage and resistance increase in deep ring knife during soil sampling are solved, and efficient sampling and sample preservation are achieved. Effect.
Patent Information
- Application Number
- CN202323518219.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2023-12-22
- Publication Date
- 2024-12-20
- Estimated Expiration
- 2033-12-22
AI Technical Summary
The existing deep ring knife is prone to damage the soil structure during soil sampling, increasing soil resistance, affecting the detection results, and the seismic resistance of sample transportation and preservation is insufficient.
An annular knife auxiliary device including a pressure mechanism, a double-flap soil extraction mechanism and annular knife soil extraction mechanism is designed. The two-flap structure of the double-flap soil extraction mechanism and the inner diameter of the annular knife soil extraction mechanism are reduced to reduce soil. Resistance and maintain the original state of the soil sample through the packaging mechanism.
The device reduces soil resistance and improves sampling efficiency, ensures the seismic resistance of soil samples during transportation and storage, maintains the integrity of soil structure, and improves the sampling efficiency and the accuracy of detection results.
Smart Images
Figure CN222212297U_ABST
Abstract
Description
Technical Field
[0001] The present application relates to the field of geological exploration technology, and in particular to a ring knife auxiliary device for deep soil excavation. Background Art
[0002] Geological exploration is a scientific practice that investigates, studies and detects the earth's surface and underground materials in order to understand geological conditions, find mineral resources, assess geological disaster risks and provide geological basis for engineering construction. The ring cutter for deep soil sampling is an important equipment in the geological exploration process.
[0003] In the patent document with the published announcement number CN212780054U, an in-situ deep ring knife perturbation sampler is provided, which includes a drill pipe connector, a tapered thread, an internal thread, a sampler movable connector, an external thread, a side convexity, a sampler sealing gasket, a tray, an upper waste soil bin, a through hole, a connecting hole, a sample bin, a ring knife clamping position, a side sealing groove, a side sealing convex strip, a ring knife spacer, a tube shoe, a sample box, a sample box cover, and a sample box sealing gasket. The method takes soil samples that meet the current geotechnical test sample shear test requirements while eliminating the strong disturbance of the sample packaging, transportation, disassembly, and sample preparation. Enhance the seismic resistance of sample transportation and storage, reduce the release of natural stress of the sample, reduce the probability of disturbance by 70%, reduce the generation of waste soil by 80%, save 40% of manpower, save more than 80% of storage space, and achieve the goal of taking samples with original structure for indoor shear tests on easily disturbed soils such as silt sand, fine sand, and medium sand.
[0004] During use, the above-mentioned device needs to be pressed into the formation so that the soil inside the formation is cut into the sample bin, and the soil is stored and transferred through the sample bin. During soil sampling, a plurality of knife rings are fixed at intervals on the side wall of the sample bin. When the soil is pressed into the sample bin, the knife rings will increase the soil resistance, and easily destroy the soil structure and confuse the soil layers, thereby affecting the actual detection results. Utility Model Content
[0005] The present application proposes a ring knife auxiliary device for deep soil excavation to solve the problems raised in the above background technology.
[0006] In order to achieve the above purpose, this application adopts the following technical solutions:
[0007] A ring knife auxiliary device for deep soil extraction, including a pressure mechanism and a packaging mechanism. A double-petal soil extraction mechanism is installed at the lower end of the pressure mechanism. A connecting mechanism is installed at the lower end of the double-petal soil extraction mechanism. A ring knife soil extraction mechanism is installed at the lower end of the connecting mechanism. The cross-sectional size of the internal space at the lower end of the connecting mechanism is the same as the cross-sectional size of the upper end of the packaging mechanism. The double-petal soil extraction mechanism includes two soil extraction petal tubes that are embedded and connected. A single soil extraction petal tube is in a semi-cylindrical shape, and two soil extraction petal tubes are embedded and assembled into a whole cylindrical shape.
[0008] As a preferred embodiment, the pressure mechanism includes a cover body in contact with the upper end of the soil extraction tube, a connecting column is fixedly connected to the inside of the cover body, a baffle is fixedly connected to the lower end of the connecting column, and openings are opened at both ends of the baffle.
[0009] By adopting the above technical solution, the pressure-applying mechanism is responsible for bearing the pressure transmitted from the upper end and evenly transmitting the pressure to the double-flap soil-extracting mechanism, while ensuring the sealing of the upper end of the double-flap soil-extracting mechanism.
[0010] As a preferred embodiment, a clamping block is fixedly connected to the upper end of the inner part of the soil extracting petal tube, and a first limiting ring is fixedly connected to the lower end of the outer part of the soil extracting petal tube. Among the two contact surfaces of the two soil extracting petal tubes, one contact surface is provided with a groove, and the other contact surface is fixedly connected with a protrusion, and the groove and the protrusion are plugged into each other.
[0011] By adopting the above technical solution, the double-petal soil-taking mechanism is responsible for carrying the soil and preserving the soil structure.
[0012] As a preferred embodiment, the connecting mechanism includes a connecting sleeve in contact with the outer side of the soil extraction valve tube, a second limiting ring is fixedly connected to the upper end of the connecting sleeve, and an internal thread is arranged at the lower end of the connecting sleeve.
[0013] By adopting the above technical solution, the connecting mechanism is responsible for connecting the double-petal soil taking mechanism and the ring knife soil taking mechanism or the double-petal soil taking mechanism and the packaging mechanism to ensure the smooth progress of the sampling work.
[0014] As a preferred embodiment, the ring knife soil-taking mechanism includes a first externally threaded tube threadedly connected to an internally threaded tube, a ring knife is fixedly connected to the lower end of the first externally threaded tube, and the inner diameter of the ring knife remains unchanged from top to bottom, while the outer diameter decreases.
[0015] By adopting the above technical solution, the ring knife soil taking mechanism is responsible for implementing the soil cutting work, and the setting of the ring knife with a constant inner diameter and a reduced outer diameter from top to bottom can improve the cutting efficiency.
[0016] As a preferred embodiment, the packaging mechanism includes a second externally threaded tube that can be threadably connected to the internal thread, and a sealing cap is fixedly connected to the lower end of the second externally threaded tube.
[0017] By adopting the above technical solution, the packaging mechanism is responsible for sealing the storage environment of the collected soil to ensure that the soil sample is in its original state.
[0018] Beneficial effects of this application:
[0019] 1. The ring knife auxiliary device for deep soil sampling fixes the double-flap soil sampling mechanism through a pressure mechanism and a connecting mechanism. The double-flap soil sampling mechanism is a two-flap structure. After soil collection is completed, the double-flap soil sampling mechanism shell can be separated by disassembling the pressure mechanism and the connecting mechanism to obtain a complete soil layer structure. In addition, since the thickness of the ring knife soil sampling mechanism, the connecting mechanism, and the double-flap soil sampling mechanism pipe wall is slightly different, and the thickness of the pipe wall at the lower end of the ring knife soil sampling mechanism is smaller as it goes downward, the pressure applied by the ring knife soil sampling mechanism on the ground is increased, the soil resistance is reduced, and manpower is saved and sampling efficiency is improved.
[0020] 2. After sampling is completed, the ring knife auxiliary device for deep soil sampling can remove the ring knife soil sampling mechanism from the lower end of the connecting mechanism, and thread the packaging mechanism at the same position to make the soil sample in a sealed state to ensure the moisture of the soil sample and maintain the original state of the soil. BRIEF DESCRIPTION OF THE DRAWINGS
[0021] Figure 1 This is a schematic diagram of the main structure of this application;
[0022] Figure 2 This is a schematic diagram of the explosion structure of this application;
[0023] Figure 3 This is a schematic diagram of the double-flap soil taking mechanism structure of the present application;
[0024] Figure 4 This is a schematic diagram of the longitudinal section structure of this application.
[0025] Numbers in the figure: 1. pressure-applying mechanism; 101. cover body; 102. connecting column; 103. baffle; 104. through port; 2. double-petal soil-taking mechanism; 201. soil-taking petal tube; 202. block; 203. first limiting ring; 204. groove; 205. protrusion; 3. connecting mechanism; 301. connecting sleeve; 302. second limiting ring; 303. internal thread; 4. ring knife soil-taking mechanism; 401. first externally threaded tube; 402. ring knife; 5. packaging mechanism; 501. second externally threaded tube; 502. sealing cover. DETAILED DESCRIPTION
[0026] The technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments.
[0027] Reference Figure 1-4 A ring knife auxiliary device for deep soil extraction, including a pressure mechanism 1 and a packaging mechanism 5. A double-petal soil extraction mechanism 2 is installed at the lower end of the pressure mechanism 1, a connecting mechanism 3 is installed at the lower end of the double-petal soil extraction mechanism 2, and a ring knife soil extraction mechanism 4 is installed at the lower end of the connecting mechanism 3. The cross-sectional size of the internal space at the lower end of the connecting mechanism 3 is the same as the cross-sectional size of the upper end of the packaging mechanism 5. The double-petal soil extraction mechanism 2 includes two soil extraction petal tubes 201 that are embedded and connected. A single soil extraction petal tube 201 is in a semi-cylindrical shape, and the two soil extraction petal tubes 201 are embedded and assembled into a whole cylindrical shape.
[0028] Reference Figure 1-4 The pressure mechanism 1 includes a cover 101 in contact with the upper end of the soil-taking flap tube 201, a connecting column 102 is fixedly connected inside the cover 101, a baffle 103 is fixedly connected to the lower end of the connecting column 102, and openings 104 are opened at both ends of the baffle 103. The two soil-taking flap tubes 201 are joined and spliced into a cylindrical shape, and the pressure mechanism 1 is installed on the upper end of the double-flap soil-taking mechanism 2 through the baffle 103 at the upper end of the soil-taking flap tube 201. The pressure mechanism 1 is responsible for bearing the pressure transmitted from the upper end and evenly transmitting the pressure to the double-flap soil-taking mechanism 2, while ensuring the sealing of the upper end of the double-flap soil-taking mechanism 2.
[0029] Reference Figure 1-4 The upper end of the soil-taking petal tube 201 is fixedly connected with a block 202, and the lower end of the outer side of the soil-taking petal tube 201 is fixedly connected with a first limiting ring 203. The first limiting ring 203 is arc-shaped. Among the two contact surfaces of the two soil-taking petal tubes 201, one contact surface is provided with a groove 204, and the other contact surface is fixedly connected with a protrusion 205, and the groove 204 is plugged with the protrusion 205. The block 202 on the soil-taking petal tube 201 is pushed along the through opening 104 into the interior of the pressure mechanism 1. At this time, the block 202 should be located between the baffle 103 and the cover body 101. The side wall of the cover body 101 surrounds and fixes the sides of the two soil-taking petal tubes 201. The cover body 101 is rotated so that the protrusion 205 is away from the through opening 104. At this time, the protrusion 205 is limited by the baffle 103 and the cover body 101, thereby completing the limitation of the two soil-taking petal tubes 201, that is, the installation of the pressure mechanism 1 and the double-petal soil-taking mechanism 2 is realized.
[0030] Reference Figure 1-4The connection mechanism 3 includes a connection sleeve 301 in contact with the outer side of the soil-extracting flap tube 201, a second limiting ring 302 is fixedly connected to the upper end of the connection sleeve 301, and an internal thread 303 is arranged at the lower end of the connection sleeve 301. First, the two soil-extracting flap tubes 201 are joined together, and the connection mechanism 3 is inserted from the end of the soil-extracting flap tube 201 close to the block 202, and moved to the end close to the first limiting ring 203. At this time, the connection mechanism 3 surrounds and fixes the soil-extracting flap tube 201, and the second limiting ring 302 is clamped just above the first limiting ring 203, thus realizing the installation of the double-flap soil-extracting mechanism 2 and the connection mechanism 3.
[0031] Reference Figure 1-4 , the ring-knife soil-taking mechanism 4 includes a first externally threaded tube 401 threadedly connected to the internal thread 303, and a ring-knife 402 is fixedly connected to the lower end of the first externally threaded tube 401. The inner diameter of the ring-knife 402 remains unchanged from top to bottom, and the outer diameter decreases. After the connection mechanism 3 and the double-flap soil-taking mechanism 2 are installed, the first externally threaded tube 401 is plugged into the lower end of the connection mechanism 3, and the first externally threaded tube 401 is rotated so that the thread on the side of the first externally threaded tube 401 is threadedly connected with the internal thread 303 of the connection mechanism 3. The first externally threaded tube 401 gradually moves upward as the degree of thread connection with the internal thread 303 deepens, until the upper end of the first externally threaded tube 401 contacts and squeezes the lower end of the soil-taking flap tube 201, thereby realizing the installation connection of the connection mechanism 3 and the ring-knife soil-taking mechanism 4. The soil is cut by the ring-knife 402. The setting of the ring-knife 402 having an inner diameter that remains unchanged and an outer diameter that decreases from top to bottom can improve the cutting efficiency.
[0032] Reference Figure 1-4 The packaging mechanism 5 includes a second externally threaded tube 501 that can be threadedly connected to the internal thread 303, and a cover 502 is fixedly connected to the lower end of the second externally threaded tube 501. After the cutting is completed, the device is taken out of the soil, and then the ring knife soil taking mechanism 4 is threadedly disassembled from the lower end of the connecting mechanism 3, and the packaging mechanism 5 is threadedly connected to the lower end of the connecting mechanism 3. The packaging mechanism 5 is responsible for sealing the storage environment of the collected soil to ensure that the soil sample is in its original state.
[0033] Working principle: first, the two soil-taking petal tubes 201 are embedded and spliced together, and the connecting mechanism 3 is inserted from the end of the soil-taking petal tube 201 close to the block 202 and moved to the end close to the first limiting ring 203. At this time, the connecting mechanism 3 surrounds and fixes the soil-taking petal tube 201, and the second limiting ring 302 is clamped just above the first limiting ring 203, thereby realizing the installation of the double-petal soil-taking mechanism 2 and the connecting mechanism 3, and pushing the block 202 on the soil-taking petal tube 201 along the through opening 104 into the interior of the pressure-applying mechanism 1. At this time, the block 202 should be located between the baffle 103 and the cover body 101, and the side wall of the cover body 101 surrounds and fixes the sides of the two soil-taking petal tubes 201. The cover body 101 is rotated to make the protrusion 205 move away from the through opening 104. At this time, the protrusion 205 is limited by the baffle 103 and the cover body 101, thereby completing the limitation of the two soil-taking petal tubes 201, that is, realizing the installation of the pressure-applying mechanism 1 and the double-petal soil-taking mechanism 2.
[0034] After the installation of the connecting mechanism 3 and the double-flap soil-extracting mechanism 2 is completed, the first externally threaded tube 401 is inserted into the lower end of the connecting mechanism 3, and the first externally threaded tube 401 is rotated so that the thread on the side of the first externally threaded tube 401 is threadedly connected with the internal thread 303 of the connecting mechanism 3. The first externally threaded tube 401 gradually moves upward as the degree of threaded connection with the internal thread 303 deepens until the upper end of the first externally threaded tube 401 contacts and squeezes the lower end of the soil-extracting flap tube 201, thereby realizing the installation connection between the connecting mechanism 3 and the ring knife soil-extracting mechanism 4.
[0035] The soil is cut by the ring knife 402. The setting of the ring knife 402 with a constant inner diameter and a reduced outer diameter from top to bottom can improve the cutting efficiency. After the cutting is completed, the device is taken out of the soil, and then the ring knife soil-taking mechanism 4 is threadedly disassembled from the lower end of the connecting mechanism 3, and the packaging mechanism 5 is threadedly reconnected to the lower end of the connecting mechanism 3. The packaging mechanism 5 is responsible for sealing the storage environment of the collected soil to ensure that the soil sample is in its original state. When sampling from the device, it is necessary to disassemble the packaging mechanism 5, the pressure mechanism 1, and the connecting mechanism 3 in turn to obtain a complete soil sample inside the double-petal soil-taking mechanism 2.
[0036] The above is only a preferred specific implementation manner of the present application, but the protection scope of the present application is not limited thereto. Any technician familiar with the technical field can make equivalent substitutions or changes within the technical scope disclosed in the present application according to the technical solution and utility model concept of the present application, which should be covered by the protection scope of the present application.
Claims
1. A ring knife auxiliary device for deep soil excavation, comprising a pressure mechanism (1) and a packaging mechanism (5), characterized in that: A double-flap soil-extracting mechanism (2) is installed at the lower end of the pressure-applying mechanism (1), a connecting mechanism (3) is installed at the lower end of the double-flap soil-extracting mechanism (2), a ring-knife soil-extracting mechanism (4) is installed at the lower end of the connecting mechanism (3), the cross-sectional dimensions of the internal space at the lower end of the connecting mechanism (3) are the same as the cross-sectional dimensions of the upper end of the packaging mechanism (5), and the double-flap soil-extracting mechanism (2) comprises two soil-extracting flap cylinders (201) that are connected and engaged, a single soil-extracting flap cylinder (201) being in a semi-cylindrical shape, and two soil-extracting flap cylinders (201) are assembled and engaged to form a whole cylindrical shape.
2. The ring cutter auxiliary device for deep soil excavation according to claim 1 is characterized in that: The pressure mechanism (1) comprises a cover body (101) in contact with the upper end of the soil extraction tube (201), a connecting column (102) is fixedly connected inside the cover body (101), a baffle (103) is fixedly connected to the lower end of the connecting column (102), and openings (104) are formed at both ends of the baffle (103).
3. The ring cutter auxiliary device for deep soil excavation according to claim 1 is characterized in that: A clamping block (202) is fixedly connected to the upper end of the interior of the soil-extracting petal tube (201), and a first limiting ring (203) is fixedly connected to the lower end of the exterior of the soil-extracting petal tube (201). Of the two contact surfaces of the two soil-extracting petal tubes (201), one contact surface is provided with a groove (204), and the other contact surface is fixedly connected to a protrusion (205), and the groove (204) is plugged into the protrusion (205).
4. The ring cutter auxiliary device for deep soil excavation according to claim 3 is characterized in that: The connection mechanism (3) comprises a connection sleeve (301) in contact with the outside of the soil extraction tube (201), a second limiting ring (302) is fixedly connected to the upper end of the connection sleeve (301), and an internal thread (303) is provided at the lower end of the connection sleeve (301).
5. The ring cutter auxiliary device for deep soil excavation according to claim 4, characterized in that: The ring-cutter soil-taking mechanism (4) comprises a first externally threaded tube (401) threadedly connected to the internal thread (303); a ring-cutter (402) is fixedly connected to the lower end of the first externally threaded tube (401); the inner diameter of the ring-cutter (402) remains constant from top to bottom, while the outer diameter decreases.
6. The ring cutter auxiliary device for deep soil excavation according to claim 4, characterized in that: The packaging mechanism (5) comprises a second externally threaded tube (501) threadably connected to the internal thread (303), and a sealing cap (502) is fixedly connected to the lower end of the second externally threaded tube (501).