CN213209533U - Geology is with portable continuous original state device of fetching earth - Google Patents
Geology is with portable continuous original state device of fetching earth Download PDFInfo
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- CN213209533U CN213209533U CN202021692089.XU CN202021692089U CN213209533U CN 213209533 U CN213209533 U CN 213209533U CN 202021692089 U CN202021692089 U CN 202021692089U CN 213209533 U CN213209533 U CN 213209533U
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Abstract
The utility model discloses a geology is with portable continuous original state geotome, the bottom surface of clamp plate is provided with the lower extreme and takes the screwed quarter butt, the welding has the handle on the quarter butt, one end has the internal thread, the other end has the bull stick pipe of external screw thread and passes through threaded connection in the quarter butt lower part, two upper and lower reducing pipes of reducer union pipe have the internal thread respectively, the little reducing end of reducer union pipe passes through threaded connection at bull stick pipe lower extreme, the sampling tube surrounds formation whole and is the cylinder for first semi-closed pipe and second semi-closed pipe, the sampling tube is the multisection, both ends have the external screw thread respectively, the screw thread interconnect through the coupling between the two adjacent sections sampling tubes, the lower extreme of the collecting pipe of bottom passes through threaded connection annular cutter, the collecting pipe screw thread on top twists the big reducing union pipe reducing end. The device has the advantages of simple structure, easy carrying and installation, capability of overcoming the pressure and resistance of deep sampling, ensuring the original property and continuity of the soil sample, and capability of carrying out geological related in-situ tests.
Description
Technical Field
The utility model belongs to the technical field of the geological engineering and specifically relates to a geology is with portable continuous original state device of fetching earth is applicable to the original state appearance sample and the experiment of soil.
Background
The conventional soil layer sampling method (such as a drilling machine) generally uses large equipment, is inconvenient to move, can disturb an underground soil structure in the drilling process, and can sample an original state sample by matching with a special device. Lightweight rig sampling generally does not meet continuity requirements and the size is often difficult to meet job requirements. The traditional grooving sampling method can not only obtain an underground soil body structure, but also carry out hydrogeology related in-situ test, but also has the defects of large labor intensity, low working efficiency, serious damage to the surface environment and the like because the excavation radius is increased along with the increase of the detection depth.
Therefore, a sampling device which is portable and easy to operate, can detect deep soil and perform in-situ test, and simultaneously takes samples which keep natural states, meet requirements of original states and continuity and have less damage to the environment is urgently needed.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a geology is with portable continuous original state device of fetching earth is provided, simple structure, easily carry and install.
In order to solve the above problem, the utility model discloses the technical scheme who adopts is: a portable continuous undisturbed soil sampling device for geology, which comprises a pressure plate and a rotating rod pipe, the sampling tube comprises a first half-closed tube and a second half-closed tube, the first half-closed tube and the second half-closed tube are encircled to form the sampling tube which is integrally cylindrical, the sampling tube is in a multi-section shape, the two ends of the sampling tube are respectively provided with external threads, the two adjacent sampling tubes are mutually connected through threads of a coupling, the lower end of the collecting tube at the bottom is connected with the annular cutter through the threads, and the threads of the collecting tube at the top are screwed into the large-diameter-variable end of the reducing joint tube.
The occlusion surface between the first half-closed pipe and the second half-closed pipe is occluded by a staggered step.
The rotating rod pipe is in a multi-section shape and is lengthened through threaded connection.
A connecting section with one end without internal threads is arranged between the large reducing end and the small reducing end of the reducing joint pipe, and an air vent is arranged on the connecting section, so that air resistance in sampling is reduced.
The linkage segment is the circular helmet form, and the air vent is 4, the equipartition is on the periphery of linkage segment.
The utility model has the advantages that: the structure is simple, the portable and the operation is easy; the device has the advantages of good universality, convenient use in geological exploration of shallow surface engineering, capability of meeting the requirements of detection, sampling and related tests on soil bodies with various conditions, capability of detecting and sampling deep soil bodies at multiple angles, original state and continuity characteristics of sampling, and capability of carrying out hydrogeology-related in-situ tests. The method can be used for mass production in investigation and construction operation of various fields, saves cost and improves efficiency.
Drawings
Figure 1 is the utility model discloses a geology is with portable continuous original state geotome sketch map.
Figure 2 is the longitudinal section schematic view of the reducer union of the present invention.
Figure 3 is a top view of the reducer union of the present invention.
Fig. 4 is a schematic cross-sectional view of the sampling tube of the present invention.
Fig. 5 is a schematic longitudinal section of the sampling tube of the present invention.
Detailed Description
The technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiment of the present invention; obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention based on the embodiments of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "sleeved/connected", "connected", and the like are to be understood in a broad sense, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in figures 1-5, the portable continuous undisturbed soil sampling device for geology of the utility model comprises a pressure plate 1, a rotating rod pipe 3, a sampling pipe 5 and a ring-shaped cutter 7, wherein the bottom surface of the pressure plate 1 is provided with a short rod 8 with a thread at the lower end, a handle 2 is welded on the short rod 8, the rotating rod pipe 3 with an internal thread at one end and an external thread at the other end is connected with the lower part of the short rod 8 through the thread, the upper and lower reducer pipes of a reducer union pipe 4 are respectively provided with an internal thread, the small reducer end of the reducer union pipe 4 is connected with the lower end of the rotating rod pipe 3 through the thread, the sampling pipe 5 comprises a first half pipe 51 and a second half pipe 52, the first half pipe 51 and the second half pipe 52 surround to form the sampling pipe 5 which is integrally cylindrical, the sampling pipe 5 is in a plurality of sections, the two ends are respectively provided with the external thread, two adjacent sections of the sampling pipe 5 are connected with each other through the, the uppermost collecting pipe 5 is screwed into the large-diameter end of the reducer union pipe 4.
The occlusion surface between the first half-closed pipe 51 and the second half-closed pipe 52 is staggered step occlusion.
The rotating rod pipe 3 is in a multi-section shape and is lengthened through threaded connection.
A connecting section 9 with one end without internal threads is arranged between the large reducing end and the small reducing end of the reducing joint pipe 4, and an air vent 10 is arranged on the connecting section 9 to reduce air resistance during sampling.
The connecting section 9 is in a shape of a circular helmet, the number of the vent holes 10 is 4, and the vent holes are uniformly distributed on the periphery of the connecting section 9.
Before operation, the utility model discloses various structures are connected together: the clamp plate 1 and the handle 2 are connected to the rotating rod pipe 3 through threads, the rotating rod pipe 3 is connected with the reducing joint pipe 4 through threads, the bottom of the reducing joint pipe 4 is connected with the sampling pipe 5 through threads, the sampling pipes 5 are connected through the coupling 6, the bottom of the sampling pipe 5 is connected with the annular cutter 7 through threads, and the soil sampling device is assembled.
Aligning an annular cutter 7 of the soil sampling device to a position to be detected or sampled, adjusting the angle of entering a soil body according to requirements, and tightly holding a handle 2; applying a vertical downward force to the pressing plate 1, and pressing the soil sampling device into a soil layer by selecting a hammering or percussion drilling method and other force application methods according to the field requirements, so that a soil sample enters the sampling tube 5; if the sampling tube 5 is full, the structure 1,2,3,4 above the reducer union tube is detached, one sampling tube 5 is added through the coupling 6, and then the structure 1,2,3,4 above the reducer union tube is installed back to the new sampling tube 5; after the sampling tube 5 is removed, the soil sampling device is taken out by applying reverse force to the force-bearing part.
If the sampling position is deeper, the full sampling tube 5 can be taken out and the empty sampling tube 5 can be replaced according to the requirement, the sampling steps are repeated, and meanwhile, the number of the rotating rod tubes 3 is increased, so that the length of the soil sampling device is increased.
After sampling, the sampling tube 5 is continuously connected with the reducer union 4 and the annular cutter 7, is sealed by wax, and is directly opened after being taken back to a laboratory to perform an undisturbed sample test.
The utility model discloses avoid the disturbance, truly reflect the underground soil body structure, can directly observe hydrogeological conditions such as ground water level and capillary water uplift height after the sample takes out. The original sample can be continuously taken without breaking, and the sampling effect is better for tests such as penetration test and soluble salt test which have requirements on depth or continuity. The two ends of the sampling tube are fixed by the variable-diameter joint tube, the coupling or the annular cutter through threads, and can be disassembled on site or taken back indoors, so that the soil structure is not damaged, the water loss is prevented, and the natural state of the soil body is kept. The diameters of the cylindrical sampling tube and the annular cutter can be customized according to the size of the cutting ring used in a laboratory, so that the workload of cutting soil samples in an indoor test is reduced. The device simple structure, easily carry and install, can overcome deep pressure and the resistance of taking a sample, can guarantee the original state nature and the continuity characteristics of soil sample again, can carry out the relevant in situ test of geology simultaneously. The defects that a common soil taking device is high in labor intensity, low in working efficiency, discontinuous in sampling or not meeting the test requirements and the like are overcome, and meanwhile large-scale damage to the site is avoided.
The above-mentioned embodiments are only used for illustrating the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and to implement the present invention accordingly, the scope of the present invention should not be limited by the embodiment, that is, all equivalent changes or modifications made by the spirit of the present invention should still fall within the scope of the present invention.
Claims (5)
1. A portable continuous undisturbed soil sampling device for geology comprises a pressure plate (1), a rotating rod pipe (3), a sampling pipe (5) and an annular cutter (7), and is characterized in that a short rod (8) with threads at the lower end is arranged on the bottom surface of the pressure plate (1), a handle (2) is welded on the short rod (8), the rotating rod pipe (3) with internal threads at one end and external threads at the other end is connected to the lower part of the short rod (8) through threads, the upper reducer pipe and the lower reducer pipe of a reducer union pipe (4) are respectively provided with internal threads, the small reducer end of the reducer union pipe (4) is connected to the lower end of the rotating rod pipe (3) through threads, the sampling pipe (5) comprises a first half-close pipe (51) and a second half-close pipe (52), the first half-close pipe (51) and the second half-close pipe (52) are encircled to form the sampling pipe (5) which is integrally cylindrical, the sampling pipe (5) is in a multi-, two adjacent sections of sampling tubes (5) are connected with each other through the threads of a coupling (6), the lower end of the sampling tube (5) at the bottom is connected with an annular cutter (7) through the threads, and the thread of the sampling tube (5) at the uppermost part is screwed into the large-diameter-reducing end of the reducer union pipe (4).
2. The geological portable continuous undisturbed soil sampling device as claimed in claim 1 wherein the engagement surface between the first semi-closed pipe (51) and the second semi-closed pipe (52) is a staggered step engagement.
3. The geological portable continuous undisturbed soil sampling device as claimed in claim 1 wherein said rotating rod pipe (3) is multi-sectioned and lengthened by threaded connection.
4. The geological portable continuous undisturbed soil sampling device as claimed in claim 1 wherein a connecting section (9) with one end without internal threads is arranged between the large reducing end and the small reducing end of the reducer union pipe (4), and a vent hole (10) is arranged on the connecting section (9) to reduce air resistance during sampling.
5. The geological portable continuous undisturbed soil sampling device as claimed in claim 4 wherein said connecting section (9) is in the shape of a helmet and the number of vent holes (10) is 4, and the vent holes are uniformly distributed on the periphery of the connecting section (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021692089.XU CN213209533U (en) | 2020-08-14 | 2020-08-14 | Geology is with portable continuous original state device of fetching earth |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021692089.XU CN213209533U (en) | 2020-08-14 | 2020-08-14 | Geology is with portable continuous original state device of fetching earth |
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| CN213209533U true CN213209533U (en) | 2021-05-14 |
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| CN202021692089.XU Active CN213209533U (en) | 2020-08-14 | 2020-08-14 | Geology is with portable continuous original state device of fetching earth |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114034508A (en) * | 2021-11-29 | 2022-02-11 | 青海岩土工程勘察咨询有限公司 | Undisturbed slip-band soil sampling device |
| CN114114398A (en) * | 2021-11-19 | 2022-03-01 | 大连理工大学 | Anti-collapse hole protection device of micro-seismic monitoring sensor, control method, medium and application |
| CN114906442A (en) * | 2022-05-17 | 2022-08-16 | 中铁上海设计院集团有限公司 | Confining pressure type soil sampling box based on screw thread precession |
-
2020
- 2020-08-14 CN CN202021692089.XU patent/CN213209533U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114114398A (en) * | 2021-11-19 | 2022-03-01 | 大连理工大学 | Anti-collapse hole protection device of micro-seismic monitoring sensor, control method, medium and application |
| CN114034508A (en) * | 2021-11-29 | 2022-02-11 | 青海岩土工程勘察咨询有限公司 | Undisturbed slip-band soil sampling device |
| CN114906442A (en) * | 2022-05-17 | 2022-08-16 | 中铁上海设计院集团有限公司 | Confining pressure type soil sampling box based on screw thread precession |
| CN114906442B (en) * | 2022-05-17 | 2023-10-27 | 中铁上海设计院集团有限公司 | Confining pressure type soil sampling box based on screw thread precession |
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