CN216870041U - Cutting ring sampling tool - Google Patents
Cutting ring sampling tool Download PDFInfo
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- CN216870041U CN216870041U CN202121266228.7U CN202121266228U CN216870041U CN 216870041 U CN216870041 U CN 216870041U CN 202121266228 U CN202121266228 U CN 202121266228U CN 216870041 U CN216870041 U CN 216870041U
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Abstract
The utility model relates to a soil sampler for taking a soil sample for detection in earthwork construction, in particular to a cutting ring sampling tool, which comprises a soil sampler inner barrel and a soil sampler drill barrel; the inner barrel of the soil sampler comprises a nail cap and a 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; two opposite sides of the nail cap are in threaded connection with soil sampling handles, and a 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 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 carved on the outer portion of the drilling barrel. The utility model is widely used for earthwork engineering and has the characteristics of reasonable structure, simple and reliable operation, high speed and efficiency and convenient carrying.
Description
Technical Field
The utility model relates to a soil sampler for taking a soil sample for detection in earthwork construction, in particular to a test cutting ring sampling tool 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 detection workload of the compaction degree in the earthwork is very large, the self-checking frequency of the compaction degree detection construction side is every 100-150 m3, the number of detection points of a large earthwork is hundreds of thousands to millions, and the accuracy of detection data directly relates to the reliability of the whole earthwork. The ring knife method detection is discussed herein.
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 working quality of one person of a tester, people are difficult to find out by sampling errors, and human factors are large;
2. at present, a cutting ring soil sampling tool seen in a construction site is too simple and crude, 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 a common soil sample is extruded from the exhaust hole and is extruded and disturbed by the cover-shaped tool, so that the defects exist;
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.
SUMMERY OF THE UTILITY MODEL
The utility model provides a cutting ring sampling tool for solving the technical problems in the prior art; the utility model 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 utility model 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.
The utility model has the advantages and positive effects that:
1. the model has simple structure and reliable performance, most parts can be selected from standard parts, the market is easy to purchase, the product can be formed with small investment, and the manufacturing and processing materials except the handle are recommended 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 utility model, 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 utility model will be combined; the technical scheme in the embodiment of the utility model is clearly and completely described; obviously; the described embodiments are only some of the embodiments of the present invention; rather than all embodiments. Based on the embodiments of the utility model; 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 utility model 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 inner barrel 1 of the soil sampler 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 (5)
1. A cutting ring sampling tool which characterized in that: the soil sampler drilling barrel and the soil sampler inner 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.
2. The cutting ring sampling tool of claim 1, wherein: 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.
3. The cutting ring sampling tool of claim 1, wherein: the one end that the waste soil storehouse is close to the handle of fetching 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.
4. The cutting ring sampling tool of claim 3, wherein: and the waste soil bin cover is provided with an exhaust hole at the position deviating from the center.
5. The cutting ring sampling tool of claim 1, wherein: and the joints of the two drilling depth handles and the drilling barrel are fixed through two groups of screw nuts respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121266228.7U CN216870041U (en) | 2021-06-07 | 2021-06-07 | Cutting ring sampling tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121266228.7U CN216870041U (en) | 2021-06-07 | 2021-06-07 | Cutting ring sampling tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216870041U true CN216870041U (en) | 2022-07-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121266228.7U Active CN216870041U (en) | 2021-06-07 | 2021-06-07 | Cutting ring sampling tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216870041U (en) |
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2021
- 2021-06-07 CN CN202121266228.7U patent/CN216870041U/en active Active
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Address after: 300202 Floor 13, Building 1, Jundu Building, No. 16, Dongting Road, Hexi District, Tianjin Patentee after: Hebei water resources and Hydropower Survey, design and Research Institute Group Co.,Ltd. Address before: 300250 Tianjin city Hebei District Admiralty Street No. 238 Patentee before: HEBEI Research Institute OF INVESTIGATION & DESIGN OF WATER CONSERVANCY & HYDROPOWER |