CN209802712U - Undisturbed soil sampler - Google Patents
Undisturbed soil sampler Download PDFInfo
- Publication number
- CN209802712U CN209802712U CN201920162156.8U CN201920162156U CN209802712U CN 209802712 U CN209802712 U CN 209802712U CN 201920162156 U CN201920162156 U CN 201920162156U CN 209802712 U CN209802712 U CN 209802712U
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- drill bit
- drill rod
- inner drill
- rod
- soil
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- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
Abstract
The utility model discloses a raw soil sample thief, include: the device comprises an inner drill rod, a rotating handle and an inner drill bit which are respectively connected with the upper end and the lower end of the inner drill rod, an outer drill bit sleeved outside the inner drill bit, an outer drill rod sleeved outside the inner drill rod and connected with the outer drill bit, a hammering platform connected with the top end of the outer drill rod, a round hammer and a sample storage box; the inner drill rod and the outer drill rod are respectively provided with a plurality of plug holes, and the inner drill rod and the outer drill rod are fixed by the plugs penetrating through the plug holes; the top of the inner drill bit is provided with a plug, the side wall of the inner drill bit is provided with an exhaust hole, the bottom of the inner drill bit is provided with a plurality of knife edges, soil is prevented from entering the inner drill rod through the plug by drilling through the knife edges, and air of the inner drill bit is exhausted through the exhaust hole; the round hammer strikes the hammering platform after the rotating handle is detached and the plug is pulled out, so that the outer drill bit continues to drill along with the outer drill rod; the bottom of the outer drill bit is provided with a closing-in for collecting soil; the sample holding box is aligned with the port to hold the soil in the outer drill. The utility model discloses low cost, simple and practical, sampling accuracy, easily carry.
Description
Technical Field
The utility model relates to a soil environment monitoring technology field especially relates to an original state soil sampling ware.
background
In the soil environment investigation work, undisturbed soil with a certain depth can be collected and stored perfectly, which is the basis for the detection of material components contained in the soil and the soil test in the next step and is the key for accurately judging the soil components, knowing the soil property parameters, evaluating the soil pollution degree and researching the soil.
the existing soil sampling technology is mainly divided into two types of mechanical power and manual work, wherein a mechanical power type sampler, such as a diesel drilling machine, takes a diesel engine as power, drives a drill bit to apply pressure simultaneously by means of rotation of a drill rod, so that the drill bit drills downwards, the drill bit is pulled out after the drill bit reaches a soil sampling position, and a soil sample is taken out by means of knocking and vibrating the drill bit with an iron hammer or flushing with water. The mechanical power sampler is expensive, heavy and high in requirement on sampling environment, and certain areas cannot be operated by the mechanical power sampler due to terrain or space limitation; after the sample is collected, the soil sample is taken out by knocking a drill bit or using water to flush, so that the original properties of the soil are easily damaged, and the representativeness of the collected soil sample is reduced or the soil sample is polluted. A common manual soil sampler generally comprises a T-shaped handle, a drill rod and a drill bit, wherein the front end of the drill bit is a spiral drill bit. The manual soil sampling drill can stir soil in the drilling process of the drill bit, and original properties of the soil are damaged; when the sample is taken out, the soil is shaken off from the drill bit by knocking and vibrating, certain cohesive soil or soil sample with higher water content can not be taken out quickly, the sampling efficiency is reduced, and the integrity of the sample is further damaged in the sample taking-out process. In addition, the above samplers do not have a soil sample storage device matched with the samplers, and are easy to cause secondary pollution to samples or change sample properties in the sample storage and transportation processes.
Therefore, it is necessary to develop a portable, efficient and precise soil sampler that can maintain the original properties of soil.
SUMMERY OF THE UTILITY MODEL
in view of this, the embodiment of the utility model provides an original state soil sampling ware, low cost, simple and practical, sampling accuracy, easily carry.
In order to achieve the above purpose, the utility model adopts a technical proposal: an undisturbed soil sampler comprising: the device comprises an inner drill rod, a rotating handle and an inner drill bit which are respectively connected with the upper end and the lower end of the inner drill rod, an outer drill bit sleeved outside the inner drill bit, an outer drill rod sleeved outside the inner drill rod and connected with the outer drill bit, a hammering platform connected with the top end of the outer drill rod, a round hammer and a sample storage box;
The inner drill rod and the outer drill rod are respectively provided with a plurality of plug holes, and the inner drill rod and the outer drill rod are fixed by the plugs penetrating through the plug holes;
The top of the inner drill bit is provided with a plug, the side wall of the inner drill bit is provided with an exhaust hole, the bottom of the inner drill bit is provided with a plurality of knife edges, soil is prevented from entering the inner drill rod through the plug by drilling through the knife edges, and air of the inner drill bit is exhausted through the exhaust hole;
The round hammer is used for impacting the hammering platform after the rotating handle is dismounted and the plug is pulled out, so that the outer drill bit continues to drill along with the outer drill rod; the bottom of the outer drill bit is provided with a closing-in for collecting soil; the sample storage box is aligned with the port to store soil in the outer drill bit.
Furthermore, the rotating handle is T-shaped, the lower end of the rotating handle is cylindrical, and a first connector is arranged at the lower end of the rotating handle and is connected with the inner drill rod through the first connector.
Furthermore, the upper end and the lower end of the inner drill rod are provided with second interfaces which are connected with the first interface of the rotating handle.
Furthermore, a third interface is arranged at the top end of the inner drill bit, and the second interface of the inner drill rod is connected with the third interface of the inner drill bit.
Furthermore, a fourth interface is arranged at the top end of the outer drill bit, fifth interfaces are arranged at the upper end and the lower end of the outer drill rod, and the fifth interfaces of the outer drill rod are respectively connected with the fourth interface of the outer drill bit and the hammering platform.
Furthermore, scales are marked on the inner drill rod and the outer drill rod so as to respectively determine the sampling amount and the sampling depth.
Further, the sample storage box comprises two identical half cylinders with one ends opened.
Further, the sample storage box is provided with a cap and a sealing cover, and the cap is buckled at the unopened end of the sample storage box so as to fix the two halves of the sample storage box; the sealing cover seals one end of the opening of the sample storage box.
Furthermore, the sealing cover is provided with a rotating rod, and the lower end of the rotating rod is connected with a blocking piece.
Furthermore, a slot is formed in the side wall of the inner drill bit, so that residual soil in the inner drill bit can be conveniently cleaned.
The embodiment of the utility model provides a beneficial effect that technical scheme brought is: (1) through the scales on the inner drill rod and the outer drill rod, the sampling depth can be accurately determined, and the sampling amount of each point position can be accurately controlled; (2) the bottom of the inner drill bit is provided with the spiral knife edge, so that the inner drill bit can drill downwards more easily, and the outer drill bit without the spiral knife edge is hammered downwards, so that the disturbance to the soil sample is reduced to the maximum extent; (3) the soil sample is pushed into the sample box through the inner drill bit, so that the sampling efficiency is improved, and the original state of the soil is kept; (4) the sample box matched with the sampler is adopted, so that the influence of the outside on the soil sample can be avoided in the sample storage and transportation process, the secondary pollution is avoided, and the uniform sample box is adopted, so that the storage, transportation and management of the sample are facilitated; (5) compared with a mechanical power drill, the sampler is low in cost, simple, practical, easy to carry and suitable for field sampling.
Drawings
Fig. 1 is a schematic structural diagram of an undisturbed soil sampler according to a first embodiment of the present invention;
Fig. 2 is a schematic structural diagram of an inner drill according to a first embodiment of the present invention;
FIG. 3 is a schematic structural view of the sample storage case of the present invention;
Fig. 4 is a schematic structural view of the round hammer of the present invention;
fig. 5 is a schematic structural diagram of an inner drill according to a second embodiment of the present invention.
in the figure: 1-rotating a handle, 2-a first interface, 3-a hammering platform, 4-a bolt, 5-an inner drill rod, 6-a bolt hole, 7-an outer drill rod, 8-a second interface, 9-a second interface, 10-a fourth interface, 11-a plug, 12-an outer drill bit, 13-an inner drill bit, 14-a closing-in, 15-a knife edge, 16-an exhaust hole, 17-a round hammer, 18-a cover cap, 19-a sample storage box, 20-an opening, 21-a sealing cover, 22-a baffle, 23-an opening hole, 24-a rotating rod, 25-a fifth interface and 26-a slot.
Detailed Description
in order to make the objects, technical solutions and advantages of the present invention clearer, embodiments of the present invention will be further described below with reference to the accompanying drawings.
Example one
As shown in fig. 1, the first embodiment of the utility model discloses an undisturbed soil collector, include: the rotary handle 1, the inner drill rod 5, the outer drill rod 7, the inner drill bit 13, the outer drill bit 12, the hammering platform 3, the round hammer 17 and the sample storage box 19 are preferably made of stainless steel 304.
Preferably, the rotating handle 1 is T-shaped, and the lower end thereof is cylindrical. The lower end of the rotating handle 1 is provided with a first connector 2, and the rotating handle is connected with an inner drill rod 5 through the first connector 2; preferably, the first port 2 is a screw port.
the inner drill rod 5 is marked with a scale to determine the sampling amount. The upper end and the lower end of the inner drill rod are provided with second connectors 8 which can be connected with the first connector 2 of the rotating handle 1 through the second connectors 8, and the inner drill rod 5 is provided with a series of vertically distributed bolt holes 6. As shown in fig. 2, the top end of the inner drill bit 13 is provided with a third interface 9, and the second interface 8 of the inner drill rod 5 is connected with the third interface 9 of the inner drill bit 13. Preferably, the second port 8 and the third port 9 are both threaded ports. The top of the inner drill bit 13 is provided with a plug 11, and an exhaust hole 16 is arranged below the plug 11, and the exhaust hole 16 is arranged on the side wall of the inner drill bit 13. The bottom of the inner drill bit 13 is provided with a plurality of knife edges 15; preferably, the knife edge 15 is a helical knife edge. The inner drill bit 13 is suitable for soil with low water content and small viscosity, and residual soil in the soil is easy to take out quickly.
the outer drill bit 12 is sleeved outside the inner drill bit 13, the bottom end of the outer drill bit is provided with a closing-in 14 with an inclined plane, the closing-in 14 is close to the inner drill bit 13, and a certain gap is reserved between the rest part of the closing-in 14 and the inner drill bit 13. The top end of the outer drill bit 12 is provided with a fourth interface 10, the upper end and the lower end of the outer drill rod 7 are provided with fifth interfaces 25, and the fourth interface 10 of the outer drill bit 12 is connected with the fifth interfaces 25 of the outer drill rod 7. Preferably, the fourth port 10 and the fifth port 25 are both threaded ports. The outer drill rod 7 is marked with scales to determine the sampling depth. Preferably, the outer drill rod 7 is of equal length to the inner drill rod 5. The outer drill rod 7 is provided with a series of vertically distributed plug holes 6, and the plugs 4 can sequentially penetrate through the plug holes 6 of the outer drill rod 7 and the inner drill rod 5 so as to fix the outer drill rod 7 and the inner drill rod 5. The top end of the outer drill rod 7 (i.e. near the rotating handle 1) is provided with a hammering platform 3, preferably, the hammering platform 3 is a circular ring, and the inner drill rod 5 passes through the circular hole of the hammering platform 3 and is connected with the lower end of the rotating handle 1.
As shown in fig. 3 and 4, the sampler is further provided with a circular hammer 17 and a sample storage box 19, the circular hammer 17 is used for striking the hammering platform 3, and an opening 23 is further formed in the circular hammer 17. The sample storage box 19 is used for storing samples collected by the sampler, preferably, the sample storage box 19 is composed of two identical semi-cylinders with one open ends, the opening 20 of the sample storage box 19 is an inclined plane, the size of the opening 20 is matched with the inclined plane closing-in 14 of the outer drill bit 12, and the outer drill bit 12 can be just mounted down and clamped at the opening 20 of the sample storage box. The sample storage box 19 is provided with a cap 18 and a sealing cover 21, and when the two half cylinders of the sample storage box 19 are aligned and buckled together, the cap 18 can be buckled at the unopened end of the sample storage box 19 so as to fix the two halves of the sample storage box 19; the opening 20 can be sealed by a sealing cover 21, the sealing cover 21 is provided with a rotating rod 24, the lower end of the rotating rod 24 is connected with a baffle plate 22, and the diameter of the baffle plate 22 is slightly smaller than that of the sample storage box 19; when the sealing lid 21 is fitted over the open end of the sample storage box 19, the position of the stopper 22 in the sample storage box can be adjusted by rotating the lever 24. Preferably, the flap 22 is circular.
The utility model discloses a concrete implementation process: after the sampling position is reached, the inner drill rod 5 and the outer drill rod 7 with proper lengths are installed according to the sampling depth, the knife edge 15 of the inner drill bit 13 is vertically aligned with the sampling point, and the inner drill bit 13 is vertically drilled into soil by pressing and rotating the handle 1 with two hands; at the moment, the upper soil enters the inner drill bit 13 through the knife edge 15, the air in the inner drill bit 13 is exhausted through the exhaust hole 16, and the soil cannot enter the inner drill rod 5 under the blockage of the plug 11; stopping drilling after the sampling depth is reached, detaching the rotating handle 1, pulling out the plug 4, using the circular hammer 17 to impact the hammering platform 3 downwards, connecting an inner drill rod 5 to the inner drill rod 5 through the opening 23 of the circular hammer 17, and impacting up and down along the inner drill rod 5 to ensure that the outer drill rod 7 is vertically stressed; at the moment, the inner drill bit 13 is kept still, the outer drill bit 12 continues to drill towards a deeper soil layer under the pushing of the outer drill rod 7, and soil samples enter the outer drill bit 12. And (3) observing the scales of the inner drill rod in the impacting process, and subtracting the vertical length of the knife edge 15 from the descending distance of the hammering platform 3 to obtain the sample collecting length. And after the outer drill bit 12 reaches the sampling depth, the round hammer 17 is taken down, and the plug 4 is inserted by selecting the plug hole 6 at a proper position so as to fix the inner drill rod 5 and the outer drill rod 7. The rotating handle 1 is arranged on the inner drill rod 5, the sampler is pulled out of the ground upwards, the plug 4 is taken down, the opening 20 of the sample storage box 19 with the cap 18 arranged is aligned with the closed opening 14 of the outer drill bit 13, the rotating handle 1 is pushed, and the inner drill bit 13 pushes the undisturbed soil sample in the outer drill bit 12 to enter the sample storage box 19. The sealing cover 21 is sleeved at the opening 20 of the sample storage box, and the rotating rod 24 is screwed to enable the baffle plate 22 to support the soil sample, so that the purpose of sealing is achieved. And completely shaking out the residual soil in the inner drill bit 13, and collecting the next sample. The sample storage box 19 containing the soil sample is placed in a sample box and transported back to the laboratory for sample composition testing or soil testing.
example two
The embodiment two of the utility model discloses another kind of original state soil collector, embodiment two lies in with embodiment one's difference: the structure of the inner drill 13 is the same as the other structures. As shown in fig. 5, the side wall of the inner drill 13 is provided with a slit 26, which is suitable for soil samples with high water content and high viscosity, wherein the residual soil is not easy to take out, the slit 26 is utilized to conveniently and quickly clean the residual soil, and the viscous soil cannot fall into the gap between the inner drill 13 and the outer drill 12 from the slit 26, so that the use of the sampler is not affected.
The utility model discloses a key point in the embodiment:
1. Scales are arranged on the inner drill rod and the outer drill rod, the sampling depth can be determined through the scales of the outer drill rod, the sampling amount is determined through the scales of the inner drill rod, and accurate sampling is achieved;
2. the diameter of the plug holes on the inner drill rod and the outer drill rod arranged at the top end needs to be as small as possible, the number is enough, the corresponding plugs are thin, and when the outer drill rod is staggered by almost any distance relative to the inner drill rod, the plugs can be inserted into the plug holes to fix the inner drill rod and the outer drill rod;
3. the gap between the inner drill bit and the outer drill bit is small, so that the diameter increment of the inner drill bit is reduced as much as possible while the resistance generated when the inner drill bit and the outer drill bit slide relatively is eliminated, and the resistance generated when the inner drill bit drills is reduced;
4. the inner diameters of a cap and a sealing cover of the sample storage box are slightly larger than the outer diameter of the sample storage box, and the diameter of a baffle plate of the sealing cover is slightly smaller than the inner diameter of the sample storage box;
5. The bottom end of the outer drill bit is a slope closing-in, so that soil can be prevented from entering a gap between the inner drill bit and the outer drill bit, and the resistance of the inner drill bit during drilling can be reduced;
6. The diameter of the opening of the round hammer is larger than that of the inner drill rod, so that the inner drill rod can easily pass through the opening;
7. The air exhaust hole is arranged on the side wall below the inner drill bit plug, so that soil can be prevented from entering the inner drill rod, air in the inner drill bit can be exhausted, and the inner drill bit can drill smoothly;
8. The inner drill bit can be of two types, for the soil with low water content and small viscosity, the residual soil in the inner drill bit can be easily and quickly taken out, and the cylindrical closed drill bit with the vent holes can be adopted; for a soil sample with high water content and high viscosity, the residual soil in the inner drill bit is not easy to take out, the inner drill bit can adopt a drill bit with a sampling opening on one side of a pipe, the residual soil in the inner drill bit is convenient to clean quickly, and the viscous soil cannot fall into a gap between the inner drill bit and the outer drill bit from a side opening to influence the use of the sampler;
9. During sampling, the sample storage box and the sampler are horizontally placed as much as possible, and the handle is pushed to prevent the sample from vertically falling in the sample storage box and disturbing the soil sample;
10. When the sampling depth is larger, the inner drill rod and the outer drill rod are mounted more, the length of the sampler is lengthened, so that the rotary handle is pushed to push the sample into the sample storage box, and after the sampler is pulled out, part of the inner drill rod and the part of the outer drill rod can be disassembled to perform sampling work.
the embodiment of the utility model provides a beneficial effect that technical scheme brought is: (1) through the scales on the inner drill rod and the outer drill rod, the sampling depth can be accurately determined, and the sampling amount of each point position can be accurately controlled; (2) the bottom of the inner drill bit is provided with the spiral knife edge, so that the inner drill bit can drill downwards more easily, and the outer drill bit without the spiral knife edge is hammered downwards, so that the disturbance to the soil sample is reduced to the maximum extent; (3) the soil sample is pushed into the sample box through the inner drill bit, so that the sampling efficiency is improved, and the original state of the soil is kept; (4) the sample box matched with the sampler is adopted, so that the influence of the outside on the soil sample can be avoided in the sample storage and transportation process, secondary pollution is avoided, and the uniform sample box is adopted, so that the storage, transportation and management of the sample are facilitated; (5) compared with a mechanical power drill, the sampler is low in cost, simple, practical, easy to carry and suitable for field sampling.
it is worth mentioning that: in the description of the present invention, "a plurality" means two or more unless specifically limited otherwise. In the present invention, unless otherwise specifically stated or limited, the terms "mounted," "connected," "fixed," and the like are used in a broad sense, and for example, the terms "mounted," "connected," and "fixed" may be fixedly connected, detachably connected, or integrally connected, and mechanically connected, and the specific meaning of the terms in the present invention can be understood by those skilled in the art according to specific situations.
In this document, the terms front, back, upper and lower are used to define the components in the drawings and the positions of the components relative to each other, and are used for clarity and convenience of the technical solution. It is to be understood that the use of the directional terms should not be taken to limit the scope of the claims.
The features of the embodiments and embodiments described herein above may be combined with each other without conflict.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.
Claims (10)
1. The utility model provides an undisturbed soil sample thief which characterized in that: the method comprises the following steps: the device comprises an inner drill rod, a rotating handle and an inner drill bit which are respectively connected with the upper end and the lower end of the inner drill rod, an outer drill bit sleeved outside the inner drill bit, an outer drill rod sleeved outside the inner drill rod and connected with the outer drill bit, a hammering platform connected with the top end of the outer drill rod, a round hammer and a sample storage box;
the inner drill rod and the outer drill rod are respectively provided with a plurality of plug holes, and the inner drill rod and the outer drill rod are fixed by the plugs penetrating through the plug holes;
the top of the inner drill bit is provided with a plug, the side wall of the inner drill bit is provided with an exhaust hole, the bottom of the inner drill bit is provided with a plurality of knife edges, soil is prevented from entering the inner drill rod through the plug by drilling through the knife edges, and air of the inner drill bit is exhausted through the exhaust hole;
The round hammer is used for impacting the hammering platform after the rotating handle is dismounted and the plug is pulled out, so that the outer drill bit continues to drill along with the outer drill rod; the bottom of the outer drill bit is provided with a closing-in for collecting soil; the sample storage box is aligned with the port to store soil in the outer drill bit.
2. The undisturbed soil sampler of claim 1 wherein: the rotary handle is T-shaped, the lower end of the rotary handle is cylindrical, and a first connector is arranged at the lower end of the rotary handle and is connected with the inner drill rod through the first connector.
3. the undisturbed soil sampler of claim 2 wherein: and the upper end and the lower end of the inner drill rod are provided with second interfaces which are connected with the first interface of the rotating handle.
4. The undisturbed soil sampler of claim 3 wherein: and a third interface is arranged at the top end of the inner drill bit, and the second interface of the inner drill rod is connected with the third interface of the inner drill bit.
5. The undisturbed soil sampler of claim 1 wherein: the top end of the outer drill bit is provided with a fourth interface, the upper end and the lower end of the outer drill rod are provided with fifth interfaces, and the fifth interfaces of the outer drill rod are respectively connected with the fourth interface of the outer drill bit and the hammering platform.
6. The undisturbed soil sampler of claim 1 wherein: the inner drill rod and the outer drill rod are respectively marked with scales so as to respectively determine the sampling amount and the sampling depth.
7. The undisturbed soil sampler of claim 1 wherein: the sample storage box comprises two identical semi-cylinders with one ends opened.
8. The undisturbed soil sampler of claim 7 wherein: the sample storage box is provided with a cap and a sealing cover, and the cap is buckled at the unopened end of the sample storage box so as to fix the two halves of the sample storage box; the sealing cover seals one end of the opening of the sample storage box.
9. the undisturbed soil sampler of claim 8 wherein: the sealing cover is provided with a rotating rod, and the lower end of the rotating rod is connected with a blocking piece.
10. The undisturbed soil sampler of claim 1 wherein: and a slot is formed in the side wall of the inner drill bit, so that the residual soil in the inner drill bit can be conveniently cleaned.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920162156.8U CN209802712U (en) | 2019-01-30 | 2019-01-30 | Undisturbed soil sampler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920162156.8U CN209802712U (en) | 2019-01-30 | 2019-01-30 | Undisturbed soil sampler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209802712U true CN209802712U (en) | 2019-12-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920162156.8U Expired - Fee Related CN209802712U (en) | 2019-01-30 | 2019-01-30 | Undisturbed soil sampler |
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| Country | Link |
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| CN (1) | CN209802712U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109655307A (en) * | 2019-01-30 | 2019-04-19 | 中国地质大学（武汉） | A kind of original-state soil sampler |
| CN112033738A (en) * | 2020-09-25 | 2020-12-04 | 重庆渝久环保产业有限公司 | Soil sampling device |
-
2019
- 2019-01-30 CN CN201920162156.8U patent/CN209802712U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109655307A (en) * | 2019-01-30 | 2019-04-19 | 中国地质大学（武汉） | A kind of original-state soil sampler |
| CN109655307B (en) * | 2019-01-30 | 2023-10-27 | 中国地质大学（武汉） | Undisturbed soil sampler |
| CN112033738A (en) * | 2020-09-25 | 2020-12-04 | 重庆渝久环保产业有限公司 | Soil sampling device |
| CN112033738B (en) * | 2020-09-25 | 2021-07-27 | 重庆渝久环保产业有限公司 | Soil sampling device |
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Granted publication date: 20191217 Termination date: 20210130 |