CN113237696A - Cutting ring sampling tool and method - Google Patents
Cutting ring sampling tool and method Download PDFInfo
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- CN113237696A CN113237696A CN202110631301.4A CN202110631301A CN113237696A CN 113237696 A CN113237696 A CN 113237696A CN 202110631301 A CN202110631301 A CN 202110631301A CN 113237696 A CN113237696 A CN 113237696A
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- 238000005070 sampling Methods 0.000 title claims abstract description 48
- 238000000034 method Methods 0.000 title abstract description 14
- 238000005520 cutting process Methods 0.000 title description 62
- 239000002689 soil Substances 0.000 claims abstract description 157
- 238000005553 drilling Methods 0.000 claims abstract description 45
- 239000002699 waste material Substances 0.000 claims abstract description 40
- 238000005527 soil sampling Methods 0.000 claims abstract description 26
- 239000010410 layer Substances 0.000 claims description 16
- 239000002344 surface layer Substances 0.000 claims description 2
- 238000000605 extraction Methods 0.000 claims 1
- 238000010276 construction Methods 0.000 abstract description 6
- 238000012360 testing method Methods 0.000 abstract description 3
- 238000001514 detection method Methods 0.000 description 13
- 238000004140 cleaning Methods 0.000 description 4
- 238000005056 compaction Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 238000003825 pressing Methods 0.000 description 3
- 238000003556 assay Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000009440 infrastructure construction Methods 0.000 description 1
- 230000002262 irrigation Effects 0.000 description 1
- 238000003973 irrigation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/04—Devices for withdrawing samples in the solid state, e.g. by cutting
- G01N1/08—Devices for withdrawing samples in the solid state, e.g. by cutting involving an extracting tool, e.g. core bit
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- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Sampling And Sample Adjustment (AREA)
- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
Abstract
本发明涉及土方施工中取检测用土样的取土器，具体涉及一种环刀取样工具和方法。包括取土器内桶和取土器钻桶两部分；取土器内桶包括钉帽和设有外螺纹的导向延伸杆；导向延伸杆的一端与钉帽的内侧螺纹连接；钉帽的相对两侧螺纹连接有取土样手柄，两个取土样手柄的连线与导向延伸杆垂直；导向延伸杆的末端连接有废土仓，废土仓远离取土样手柄的另一端为开口且开口处固定有环刀；取土器钻桶包括钻桶，钻桶的内径大于废土仓和环刀的外径；钻桶一端设有中心开孔的钻桶盖，钻桶侧壁上靠近钻桶盖的位置处连接有两个相对设置的钻深手柄，钻桶外部刻有深度刻度。本发明广泛用于土方工程，具有结构合理、操作简单可靠、速度快效率高、携带方便的特点。
The invention relates to a soil sampler for taking soil samples for testing in earthwork construction, in particular to a ring knife sampling tool and method. It includes two parts: the inner barrel of the earth extractor and the earth extractor drilling bucket; the inner barrel of the earth extractor includes a nail cap and a guide extension rod with external threads; one end of the guide extension rod is threadedly connected with the inner side of the nail cap; the opposite sides of the nail cap are threadedly connected with Soil sampling handle, the connecting line of the two soil sampling handles is perpendicular to the guide extension rod; the end of the guide extension rod is connected with a waste soil bin, and the other end of the waste soil bin away from the soil sampling handle is an opening and a ring is fixed at the opening. The drill bucket of the earth extractor includes a drill bucket, and the inner diameter of the drill bucket is larger than the outer diameter of the waste soil bin and the ring cutter; one end of the drill bucket is provided with a drill bucket cover with a central hole, and the side wall of the drill bucket is close to the position of the drill bucket cover. Connected with two opposite drill depth handles, the depth scale is engraved on the outside of the drill barrel. The invention is widely used in earthwork, and has the characteristics of reasonable structure, simple and reliable operation, high speed and high efficiency, and convenient portability.
Description
Technical Field
The invention relates to a soil sampler for sampling and detecting soil samples in earthwork construction, in particular to a test cutting ring sampling tool and a method for controlling compaction quality in earthwork.
Background
With the continuous development of economy and the continuous improvement of the living standard of China, the improvement and the construction of various infrastructures in China are continuously accelerated, the proportion of earthwork in the infrastructure construction is large, and the field compactness detection of the earthwork has various modes, such as: the nuclear densitometer detection, the non-nuclear densitometer detection, the irrigation method detection, the sand-filling method detection, the ring-removing knife method detection and the like, the nuclear densitometer detection and the ring-removing knife method detection are widely applied to construction sites due to the advantages of simple operation, high speed and the like, and the nuclear densitometer detection needs special personnel qualification. The work load of compaction degree detection in the earthwork is very large, and the self-checking frequency of the compaction degree detection construction method is 100-150 m per square meter3One large-scale earthwork has hundreds of thousands to millions of detection points, and the accuracy of detection data directly relates to the reliability of the whole engineering. The present discussion discusses the ring knife assay.
The traditional cutting ring method for detecting and sampling has the following characteristics and disadvantages:
1. the special profession is strong, the sampling operation depends on the technical level and the working quality of one person of a tester, people are difficult to find out by sampling errors, and the human factors are large;
2. the existing cutting ring soil sampling tool seen in a construction site is too simple, a cover-shaped tool with an exhaust hole is pressed on a cutting ring in the sampling process and then hammered down by a hand hammer, the sampling tool does not have a waste soil bin, and common soil samples are extruded from the exhaust hole and disturbed by the cover-shaped tool in an extruding way, so that the defect exists;
3. the sampling depth of the soil sample specified in the national standard SL260-2014 is the compacted layer height 1/3, the sampling process needs other workers to cooperate to dig out the soil material on the upper part 2/3 of the compacted layer and to spade the soil material, the sampling can be carried out, and the sampling needs to be recovered after the sampling is finished, so that the labor and the time cost are wasted.
Disclosure of Invention
The invention provides a cutting ring sampling tool and a method for solving the technical problems in the prior art; the invention is widely used for earthwork engineering, and has the characteristics of reasonable structure, simple and reliable operation, high speed and efficiency and convenient carrying.
In order to achieve the purpose, the invention adopts the following technical scheme:
a cutting ring sampling tool comprises two parts of an inner soil sampler barrel and an inner soil sampler barrel, wherein the inner soil sampler barrel and the inner soil sampler barrel can be combined for use or can be used independently; an inner barrel of the soil sampler is independently used for sampling the cutting ring soil sample on the surface of the foundation layer of the earthwork operation; when the combined soil sampler is used, the soil sampler drill barrel can be sleeved outside the soil sampler inner barrel;
the inner barrel of the soil sampler comprises a blocky nail cap and a strip-shaped guide extension rod provided with external threads; one end of the guide extension rod is in threaded connection with the inner side of the nail cap; the two opposite sides of the nail cap are in threaded connection with soil sampling handles, and the connecting line of the two soil sampling handles is perpendicular to the guide extension rod; the tail end of the guide extension rod is connected with a waste soil bin, the other end of the waste soil bin, which is far away from the soil sampling handle, is provided with an opening, and a cutting ring is fixed at the opening;
the soil sampler drill barrel comprises a cylindrical drill barrel, and the inner diameter of the drill barrel is larger than the outer diameters of the waste soil bin and the cutting ring; the drilling barrel is characterized in that a drilling barrel cover with a central hole is arranged at one end of the drilling barrel, two drilling depth handles which are oppositely arranged are connected to the position, close to the drilling barrel cover, on the side wall of the drilling barrel, and depth scales are engraved on the outer portion of the drilling barrel, so that the drilling depth can be controlled visually.
Furthermore, the outside threaded connection of direction extension rod has two limit for depth nuts, the external diameter of limit for depth nut is greater than the diameter of boring bung center trompil.
Further, the one end that the waste soil storehouse is close to the handle of borrowing soil sample is equipped with waste soil storehouse lid, and waste soil storehouse lid center is equipped with the through-hole, and the direction extension rod extends to waste soil storehouse inboard through this through-hole, and the direction extension rod is fixed through inside and outside two waste soil storehouse lock nut with waste soil storehouse junction.
Furthermore, an exhaust hole is formed in the position, deviating from the center, of the waste soil bin cover.
Furthermore, the joints of the two drilling depth handles and the drilling barrel are fixed through two groups of screw nuts respectively.
Further, the above cutting ring sampling tool performs a cutting ring sampling operation of a specific depth on the compacted layer, and includes:
s1, selecting a sampling position, and simply cleaning the surface floating soil;
s2, removing soil with a certain depth of the compacted layer thickness by using the soil sampler drill barrel, and observing the scale on the surface of the drill barrel so as to control the drilling depth;
s3, placing the cutting ring and the inner barrel of the soil sampler into a soil sampling hole to be pressed downwards or smashing the cutting ring by a rubber hammer to make the cutting ring filled with a soil sample;
s4, removing the soil sampling handle, sleeving the soil sampler drill barrel outside the soil sampler inner barrel, putting the soil sampler drill barrel into the soil sampling hole, rotating the soil sampler drill barrel left and right and pressing down until the depth of the drill barrel contacts the depth limiting nut to sense resistance, lifting the cutting ring soil sampler, and simultaneously taking out the soil sampler inner barrel and the cutting ring;
s5, the handle is held to push the inner barrel to slowly push out the cutting ring, the residual soil on the two end faces of the cutting ring is pinned to be collected into the cutting ring box, and the cutting ring sample is taken out.
Furthermore, the above-mentioned ring cutter sampling tool includes the following steps:
s1, selecting a sampling position, and simply cleaning the surface floating soil;
s2, the cutting ring is arranged on the inner barrel of the soil sampler and pressed down at a selected position or hammered down by a rubber hammer to make the cutting ring filled with a soil sample;
s3, removing the soil sampling handle, sleeving the soil sampler drill barrel outside the soil sampler inner barrel, putting the soil sampler drill barrel into the soil sampling hole, rotating the soil sampler drill barrel left and right and pressing down until the depth of the drill barrel contacts the depth limiting nut to sense resistance, lifting the cutting ring soil sampler, and simultaneously taking out the soil sampler inner barrel and the cutting ring;
s4, the handle is held to push the inner barrel to slowly push out the cutting ring, the residual soil on the two end faces of the cutting ring is pinned to be collected into the cutting ring box, and the cutting ring sample is taken out.
The invention has the advantages and positive effects that:
1. the model has simple structure and reliable performance, most parts can select standard parts, the market is easy to purchase, the product can be formed by small investment, and the manufacturing and processing materials except the handle are suggested to be made of stainless steel materials;
2. because the national standard cutting ring has various specifications, the product can form products with various specifications by adjusting the diameters of the drilling barrel and the waste soil bin.
3. In the invention, the operation is free from pit digging and leveling, and other workers are not required to cooperate, one person can independently operate to perform cutting ring sampling, so that the requirement of SL260-2014 on sampling at the compacted layer height 1/3 is met, the efficiency is improved, and the cost is saved;
4. the waste soil bin has enough capacity, can overcome the human factor of disturbing the extrusion soil sample in the sampling process of the traditional cutting ring sampling tool, reduces sampling errors, improves the reliability of engineering and reduces loss.
Description of the drawings:
FIG. 1 is a front elevation cross-sectional view of the assembly of the present invention;
FIG. 2 is a top plan view of the final assembly of the present invention;
FIG. 3 is a front cross-sectional view of the drill barrel of the geotome of the present invention;
FIG. 4 is a front view of the inner barrel of the soil sampler of the present invention.
Wherein:
1. an inner barrel of the soil sampler; 1-1, a nail cap; 1-2, taking a soil sample handle; 1-3, a depth limiting nut; 1-4, guiding an extension rod; 1-5, locking nuts of the waste soil bin; 1-6, a waste soil bin cover; 1-7, a waste soil bin; 1-8, cutting ring; 2. drilling a barrel by the soil sampler; 2-1, drilling a deep handle; 2-2, drilling a barrel cover; 2-3, drilling a barrel.
Detailed Description
The drawings in the embodiments of the invention will be combined; the technical scheme in the embodiment of the invention is clearly and completely described; obviously; the described embodiments are only some of the embodiments of the invention; rather than all embodiments. Based on the embodiments of the invention; all other embodiments obtained by a person skilled in the art without making any inventive step; all fall within the scope of protection of the present invention.
As shown in fig. 1-4, the invention provides a cutting ring sampling tool, which comprises two parts of an inner soil sampler barrel 1 and an inner soil sampler barrel 2, wherein the inner soil sampler barrel 2 and the inner soil sampler barrel 1 can be combined for use or can be used independently; the inner barrel 1 of the soil sampler is independently used for sampling soil samples of 1-8 earth samples on the surface of the foundation layer of the earthwork operation; when the combined soil sampler is used, the soil sampler drill barrel 2 can be sleeved outside the soil sampler inner barrel 1; specifically, the soil sampler inner barrel 1 comprises a blocky nail cap 1-1 and a strip-shaped guide extension rod 1-4 provided with external threads; one end of the guide extension rod 1-4 is in threaded connection with the inner side of the nail cap 1-1; two opposite sides of the nail cap 1-1 are in threaded connection with soil sampling handles 1-2, and a connecting line of the two soil sampling handles 1-2 is perpendicular to the guide extension rod 1-4; the outer side of the guide extension rod 1-4 is in threaded connection with two depth-limiting nuts 1-3; the tail end of the guide extension rod 1-4 is connected with a waste soil bin 1-7, one end of the waste soil bin 1-7, which is close to the soil sampling handle 1-2 along the axial direction, is provided with a waste soil bin cover 1-6, the center of the waste soil bin cover 1-6 is provided with a through hole, the guide extension rod 1-4 extends to the inner side of the waste soil bin 1-7 through the through hole, and the joint of the guide extension rod 1-4 and the waste soil bin 1-7 is fixed through locking nuts 1-5 of the inner waste soil bin and the outer waste soil bin 1-7; the soil sampling handle 1-2, the guide extension rod 1-4 and the waste soil bin 1-7 can be detached and adjusted at any time, so that the operation is convenient; the other end of the waste soil bin 1-7, which is far away from the soil sampling handle 1-2, is provided with an opening, and a cutting ring 1-8 is fixed at the opening; as known, the cutting rings 1-8 are a common instrument for taking undisturbed soil (undisturbed) test samples, are mainly used for measuring the compaction degree of a soil body, and have downward edges when in use, and avoid deflection when cutting the soil sample so that the soil sample is vertically and uniformly stressed to be cut down.
The soil sampler drilling barrel 2 comprises a cylindrical drilling barrel body 2-3, and the inner diameter of the drilling barrel body 2-3 is larger than the outer diameters of the waste soil bin 1-7 and the cutting ring 1-8; one end of the drilling barrel body 2-3 is provided with a drilling barrel cover 2-2 with a central hole, the position of the side wall of the drilling barrel body 2-3, which is close to the drilling barrel cover 2-2, is connected with two drilling depth handle barrels 2-1 which are oppositely arranged, and the joints of the two drilling depth handle barrels 2-1 and the drilling barrel body 2-3 are fixed through two groups of screw nuts respectively; therefore, the drilling depth handle barrel 2-1 and the drilling barrel body 2-3 can be disassembled and assembled at any time and are convenient to carry; the drilling barrel body 2-3 is externally carved with depth scales so as to facilitate visual control of drilling depth; the outer diameter of the depth limiting nut 1-3 is larger than the diameter of a central opening of the drilling barrel cover 2-2, and the depth of the drilling barrel body 2-3 contacting the depth limiting nut 1-3 can be subjected to resistance, so that the drilling depth of the drilling barrel 2 of the final soil sampler is limited, and a soil sample of the cutting ring 1-8 can be taken out smoothly.
The soil sampler drilling barrel 2 and the soil sampler inner barrel 1 can be combined for use or can be used independently; the inner barrel 1 of the soil sampler is independently used for sampling soil samples of 1-8 earth samples on the surface of the foundation layer of the earthwork operation; when the combined soil sampler is used in a combined mode, the combined soil sampler is suitable for taking a cutting ring 1-8 soil sample with a certain depth, if the water conservancy specification SL260-2014 requires the soil to be taken at the position 1/3 where a compacted layer is filled with the soil, firstly, 2/3 soil on the upper part of the compacted layer is removed by using the soil sampler drill barrel 2, then, the cutting ring 1-8 soil sample is taken by using the soil sampler inner barrel 1, and finally, the soil sampler drill barrel 2 is sleeved outside the soil sampler inner barrel 1 to continue to drill downwards to take out the soil contained in the soil sampler inner barrel 1 and the cutting ring 1-8, and even a layer of cutting ring 1-8 soil sample can be taken down;
specifically, the soil sampler inner barrel 1 and the soil sampler drill barrel 2 are combined according to different purposes, and the using methods are different. Two examples are presented below.
Example 1
The cutting ring sampling operation step of the cutting ring sampling tool for carrying out specific depth on the compacted layer:
1) selecting a sampling position, and simply cleaning the surface floating soil;
2) removing soil with a certain depth (such as upper 2/3) from the compacted layer by the soil sampler drill barrel 2, and observing the scale on the surface of the drill barrel body 2-3 to control the drilling depth;
3) placing the cutting rings 1-8 and the inner barrel 1 of the soil sampler into a soil sampling hole to be pressed downwards or smashing the cutting rings 1-8 by a rubber hammer to fully sample the soil;
4) the soil sampling handle 1-2 is detached, the soil sampler drill barrel 2 is sleeved outside the soil sampler inner barrel 1 and is placed in a soil sampling hole, the soil sampler drill barrel 2 is rotated left and right and is pressed downwards until the depth of the drill barrel body 2-3 is in contact with the depth limiting nut 1-3 to sense resistance, the soil sampler drill barrel 2 is lifted out, and the soil sampler inner barrel 1 and the cutting ring 1-8 are taken out at the same time;
5) holding the handle to push the inner barrel to slowly push out the cutting ring 1-8, taking the remaining soil at the two end faces of the pin flat cutting ring into the cutting ring box, and taking the cutting ring sample.
Example 2
The operation steps when the cutting ring sampling tool carries out the cutting ring sampling of the earth working foundation surface layer are as follows:
1) selecting a sampling position, and simply cleaning the surface floating soil;
2) placing the cutting rings 1-8 on the inner barrel 1 of the soil sampler, pressing down at a selected position or smashing down by using a rubber hammer to make the cutting rings 1-8 filled with a soil sample;
3) the soil sampling handle 1-2 is detached, the soil sampler drill barrel 2 is sleeved outside the soil sampler inner barrel 1 and is placed in a soil sampling hole, the soil sampler drill barrel 2 is rotated left and right and is pressed downwards until the depth of the drill barrel body 2-3 is in contact with the depth limiting nut 1-3 to sense resistance, the soil sampler drill barrel 2 is lifted out, and the soil sampler inner barrel 1 and the cutting ring 1-8 are taken out at the same time;
4) holding the handle to push the inner barrel to slowly push out the cutting ring 1-8, pinning the residual soil on the two end faces of the cutting ring 1-8 to be collected into the cutting ring box, and taking the cutting ring sample.
The embodiments of the present invention have been described in detail, but the description is only for the preferred embodiments of the present invention and should not be construed as limiting the scope of the present invention. All equivalent changes and modifications made within the scope of the present invention shall fall within the scope of the present invention.
Claims (7)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110631301.4A CN113237696B (en) | 2021-06-07 | 2021-06-07 | A ring knife sampling tool and method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110631301.4A CN113237696B (en) | 2021-06-07 | 2021-06-07 | A ring knife sampling tool and method |
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| Publication Number | Publication Date |
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| CN113237696A true CN113237696A (en) | 2021-08-10 |
| CN113237696B CN113237696B (en) | 2025-02-25 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2444545A1 (en) * | 2002-10-15 | 2004-04-15 | Diedrich Drill, Inc. | Sampling isolator |
| CN206248358U (en) * | 2016-12-06 | 2017-06-13 | 安徽理工大学 | It is a kind of to determine volume geotome |
| CN109708919A (en) * | 2019-01-30 | 2019-05-03 | 中原工学院 | A deep soil sampling device and sampling method matched with Luoyang shovel |
| CN213148387U (en) * | 2020-10-09 | 2021-05-07 | 新疆农垦科学院 | Auxiliary device for standard soil borrowing and mulch film for field quadrats |
| CN216870041U (en) * | 2021-06-07 | 2022-07-01 | 河北省水利水电勘测设计研究院 | Cutting ring sampling tool |
-
2021
- 2021-06-07 CN CN202110631301.4A patent/CN113237696B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2444545A1 (en) * | 2002-10-15 | 2004-04-15 | Diedrich Drill, Inc. | Sampling isolator |
| CN206248358U (en) * | 2016-12-06 | 2017-06-13 | 安徽理工大学 | It is a kind of to determine volume geotome |
| CN109708919A (en) * | 2019-01-30 | 2019-05-03 | 中原工学院 | A deep soil sampling device and sampling method matched with Luoyang shovel |
| CN213148387U (en) * | 2020-10-09 | 2021-05-07 | 新疆农垦科学院 | Auxiliary device for standard soil borrowing and mulch film for field quadrats |
| CN216870041U (en) * | 2021-06-07 | 2022-07-01 | 河北省水利水电勘测设计研究院 | Cutting ring sampling tool |
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