CN212780017U - Core sampling device - Google Patents
Core sampling device Download PDFInfo
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- CN212780017U CN212780017U CN202020855260.8U CN202020855260U CN212780017U CN 212780017 U CN212780017 U CN 212780017U CN 202020855260 U CN202020855260 U CN 202020855260U CN 212780017 U CN212780017 U CN 212780017U
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Abstract
The utility model provides a rock core sampling device, including sampling subassembly and drill bit, sampling subassembly including the sample main part and with the rotary rod that the first end of sample main part is connected, sample main part second end with the drill bit is connected, center on the terminal surface of the first end of sample main part the collecting vat that is used for collecting the rock core granule is seted up to the rotary rod. The utility model provides a rock core sampling device can collect the rock core granule of getting into fast, and is simple reasonable, easily operation.
Description
Technical Field
The utility model relates to a geological exploration sampling analysis auxiliary device especially relates to a rock core sampling device and rock core sampling tool.
Background
The core is important practical geological data for researching and knowing underground geology and mineral conditions, and is a cylindrical rock sample taken out of a hole by using an annular core drill and other coring tools according to the needs of geological exploration work or engineering.
At present, the commonly used core sampling device drives a drill bit through a driving piece, then drills a core, and a sampling opening carried by the core sampling device per se collects core particles.
However, core particles are easy to fall off in the drilling process, and the sampling port is difficult to rapidly collect the core particles.
SUMMERY OF THE UTILITY MODEL
The utility model provides a rock core sampling device for solve traditional rock core sampling device at least and collect the slow technical problem of speed to the rock core granule.
In order to achieve the above object, the utility model provides a rock core sampling device, include: a sampling assembly and a drill bit.
The sampling assembly comprises a sampling main body and a rotary rod connected with the first end of the sampling main body, and the second end of the sampling main body is connected with the drill bit.
And a collecting tank for collecting core particles is arranged on the end face of the first end of the sampling main body around the rotating rod.
In a possible implementation manner, the sampling assembly further comprises a collecting tank, and the collecting tank is sleeved in the collecting tank, so that the collection and extraction of core particles are facilitated.
And when the core particles are collected, stopping the operation of the core sampling device, and extracting the collecting box from the collecting tank to obtain a core particle sample.
In a possible embodiment, the collection tank comprises a first collection tank and a second collection tank.
The first collecting box is positioned above the second collecting box and connected with the second collecting box, and a filter screen is arranged between the first collecting box and the second collecting box.
The effect of filter screen is filtered the little rock core granule and falls into among the second collecting box, and stays big rock core granule among first filter screen, prevents that the rock core granule of different sizes from mixing and leading to blockking up, also can filter the size of rock core granule through the aperture that sets up the filter screen, makes things convenient for experiment sample demand.
In a possible embodiment, the collecting groove formed in the sampling main body is an annular groove, an inner ring side wall of the annular groove extends to form a connecting rod, the rotating rod is connected with the sampling main body through the connecting rod, and the first collecting box and the second collecting box are arranged on the connecting rod in a penetrating manner.
In one possible embodiment, the core sampling device further comprises a protective cover.
The protective cover plate cup joint in the rotary rod, the protective cover plate is located the collecting vat top just first collecting box is close to the lateral wall orientation of connecting rod the protective cover plate extends and forms the extension section, the extension section with the protective cover plate links to each other.
And a gap is formed between the protective cover plate and the open end of the first collecting box, so that the core particles enter the first collecting box from the gap.
Optionally, the top of the protective cover plate is connected with a movable threaded sleeve, threads are arranged on the rotary rod, and the protective cover plate is connected with the rotary rod through the movable threaded sleeve and the threaded connection.
In a possible embodiment, a splash-proof groove is formed in one surface, facing the collecting tank, of the protective cover plate, and the splash-proof groove is used for preventing the core particles from splashing outwards.
Optionally, a threaded rod is arranged on the end face of the second end of the sampling main body, the drill bit faces the threaded hole formed in the end face of the sampling main body, and the sampling main body is connected with the drill bit through the threaded rod and the threaded hole to achieve connection.
In a possible embodiment, a baffle is circumferentially arranged on the end surface of the second end of the sampling main body, a limit groove is circumferentially arranged on the end surface of the drill bit close to the sampling main body, and the baffle is movably sleeved with the limit groove.
In one possible embodiment, the core sampling device further comprises: the driving piece is connected with one end, far away from the sampling assembly, of the rotary rod.
An embodiment of the utility model provides a pair of rock core sampling device offers the collecting vat that is used for collecting the rock core granule through around the rotary rod on the terminal surface of the first end of sample main part, and wherein the first end of sample main part links to each other with the rotary rod, and the second end of sample main part links to each other with the drill bit, when rock core sampling device functions, can carry out the deep drilling to the rock core while, and the rock core granule falls into the collecting vat fast while, realizes the quick collection to the rock core granule. And through set up first collecting box and second collecting box in the collecting vat, separate with the filter screen between first collecting box and the second collecting box, little rock core granule passes through the filter screen and filters to the second floor collecting box in, big rock core granule then stays in first collecting box, prevents that the rock core granule that differs in size from mixing and causing the collecting vat to block up, can also satisfy the experiment and to the various demands of rock core granule sample size.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive labor.
Fig. 1 is a schematic structural diagram of a core sampling device according to an embodiment of the present invention;
fig. 2 is an exploded view of a core sampling device according to an embodiment of the present invention;
fig. 3 is a cross-sectional view of a core sampling device according to an embodiment of the present invention;
fig. 4 is an enlarged schematic view of a partial structure of a core sampling device provided by an embodiment of the present invention.
Reference numerals:
100-a sampling assembly;
110-a sampling body;
111-a first end;
112-a second end;
113-a holding tank;
120-rotating rod;
121-threads;
130-a collection box;
131-a first collection tank;
132-a second collection tank;
133-a filter screen;
134-an extension;
200-a drill bit;
210-a threaded hole;
300-a connecting rod;
400-a protective cover plate;
410-a movable threaded sleeve;
420-a splash guard;
500-threaded rod;
600-a baffle plate;
700-limiting groove.
Detailed Description
To make the objects, technical solutions and advantages of the present invention clearer, the drawings of the present invention are combined to clearly and completely describe the technical solutions of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Geological exploration is short for geological exploration work and refers to investigation and research work with different key points on geological conditions such as rocks, stratum structures, mineral products, underground water, landforms and the like in a certain area. For convenience of research, a ring core drill bit and other coring tools are used, a cylindrical rock sample taken out of a hole is called a core, and the core is important physical geological data for researching and knowing underground geology and mineral production conditions.
Carry out further sample to the rock core and just need use rock core sampling tool, rock core sampling tool commonly used drives the drill bit through the driving piece at present, and then bores the rock core, then collect the rock core granule in small, broken bits, however, boring the in-process of rock core, the rock core granule in small, broken bits drops easily, traditional rock core sampling tool is difficult to quick collects the rock core granule, and rock core granule not of uniform size mixes and leads to the fact the jam to the sample connection together easily, bring certain trouble to the sampling process.
In view of this, the utility model provides a rock core sampling device drives the rotary rod through the driving piece, and the rotary rod drives the sample main part, and the sample main part drives the drill bit again and carries out deep drilling to the rock core, has seted up the collecting vat in the one end with rotary rod connection of sample main part, and at the in-process that bores deeply, a large amount of fragment granules that the rock core produced will be continuous fall into the collecting vat, realize the quick collection to the rock core granule. And still can cup joint first collecting box and second collecting box in the collecting vat, separate with the filter screen between first collecting box and the second collecting box, separate large granule rock core fragment and tiny particle rock core fragment, avoid the collecting vat to block up, cause the sample troublesome.
The invention is described below with reference to the accompanying drawings in connection with specific embodiments.
Fig. 1 is the utility model provides a rock core sampling device's schematic structure diagram, fig. 2 is the utility model provides a rock core sampling device's explosion chart, fig. 3 is the utility model provides a rock core sampling device's section view is provided.
Referring to fig. 1 to 3, a core sampling device according to an embodiment of the present invention includes: the sampling assembly 100 includes a sampling body 110 and a rotating rod 120 connected to a first end 111 of the sampling body 110, and a drill 200 is connected to a second end 112 of the sampling body 110.
Wherein, the one end of rotary rod 120 is connected with first end 111 of sampling main part 110, and the other end of rotary rod 120 then is used for being connected with the driving piece, and the driving piece drives rotary rod 120, and rotary rod 120 drives sampling main part 110, and sampling main part 110 drives drill bit 200 again and rotates, then carries out the deep drilling sample to the rock core.
In order to quickly collect the fine and broken core particles, a collecting tank 113 for collecting the core particles is disposed on the end surface of the first end 111 of the sampling main body 110 around the rotating rod 120, and it is easy to understand that the fine and broken core particles can fall into the collecting tank 113 from an inlet of the collecting tank 113 to realize quick collection of the core particles in the process of deep drilling of the core sampling device on the core.
From this, follow the utility model provides a rock core sampling device's overall arrangement sees, and simple structure is reasonable, and operation simple accurate can practice thrift a large amount of sample times of staff.
Referring to fig. 3, in order to facilitate the collection and extraction of core particles, the sampling assembly 100 further includes a collecting tank 130, and the collecting tank 130 is adapted to the collecting tank 113 and is sleeved in the collecting tank 113. After the core particles are collected, the operation of the core sampling device is stopped, and the collecting tank 130 is extracted from the collecting tank 113 to obtain the core particle sample.
In some possible embodiments of the present invention, the collecting box 130 may be divided into a plurality of small collecting boxes, for example, in the example of fig. 3, the collecting box 130 includes a first collecting box 131 and a second collecting box 132, the first collecting box 131 is located above the second collecting box 132 and the first collecting box 131 is connected to the second collecting box 132, wherein a filter screen 133 is provided between the first collecting box 131 and the second collecting box.
It is easy to understand that, filter screen 133's effect falls into among second collecting box 132 with little rock core granule filtration, and stays big rock core granule among first filter screen 131, prevents that rock core granule not of uniform size from mixing and leading to blockking up, also can filter the size of rock core granule through the aperture that sets up filter screen 133, makes things convenient for experiment sample demand.
Of course, the utility model discloses be not limited to this, collecting box 130 can include a plurality of little collecting boxes, and a plurality of little collecting boxes set gradually from last down, uses the filter screen to separate between per two little collecting boxes, and a plurality of filter screens realize screening the filtration to the size of rock core granule from last down aperture reduces gradually to this satisfies each experiment to the demand of rock core granule size.
Referring to fig. 2 to 4, in some possible embodiments of the present invention, in order to increase the sampling capacity of the core particles, the collecting groove 113 formed on the sampling body 110 is an annular groove.
Wherein, the inner ring sidewall of the annular groove extends to form a connecting rod 300, the rotating rod 120 is connected with the sampling body 110 through the connecting rod 300, and the first collecting tank 131 and the second collecting tank 132 are arranged on the connecting rod 300 in a penetrating manner.
It is easy to understand, core sampling device is when the function, and high-speed rotation can produce huge centrifugal force, in order to prevent that collecting tank 130 from being thrown away from collecting tank 113, destroys the experiment progress and causes the safety problem, in some embodiments of the utility model, set up collecting tank 113 as the annular groove, the inner circle wall of annular groove extends a distance towards the direction of rotary rod 120 and forms connecting rod 300, adaptability, first collecting tank 131 and second collecting tank 132 also set up annular groove form to wear to establish first collecting tank 131 and second collecting tank 132 on connecting rod 300, prevent core sampling device in the operation, first collecting tank 131 and second collecting tank 132 are thrown away from collecting tank 113.
Referring to fig. 1 to 4, since the core sampling device rotates at a high speed during operation to generate a huge centrifugal force, in order to prevent the core particles collected in the collecting box 130 from splashing, an embodiment of the core sampling device of the present invention may further include a protective cover plate 400, wherein the protective cover plate 400 is located above the collecting tank 113, and a gap exists between the protective cover plate 400 and the open end of the first collecting box 131, so that the core particles may enter the first collecting box 131 from the gap.
Wherein, the top of the protective cover plate 400 is connected with a movable swivel nut 410, the rotating rod 120 is provided with a thread 121, and the protective cover plate 400 is connected with the rotating rod 120 through the movable swivel nut 410 and the thread 121 to sleeve the protective cover plate 400 on the rotating rod 120.
Of course, the present invention is not limited thereto, and the protective cover plate 400 is only located above the first collecting box 131 and has a gap with the open end of the first collecting box 131 so as to allow the core particles to enter the first collecting box 131, and the fixing manner and the fixing position of the protective cover plate 400 are not limited thereto.
In some embodiments of the present invention, referring to fig. 4, the sidewall of the first collection box 131 close to the connecting rod 120 extends toward the protective cover 400 to form the extension section 134, and the extension section 134 is connected to the protective cover 400.
It is easy to understand that, the first collecting box 131 is connected to the protective cover 400 through the extension 134, and after the sampling is completed, the first collecting box 131 and the second collecting box 132 can be taken out together only by taking the protective cover 400 off the rotating rod 120, so that the step of separately taking the first collecting box 131 and the second collecting box 132 is omitted.
As shown in fig. 3, furtherly, in some embodiments of the utility model, splashproof groove 420 can be seted up towards collecting vat 113 in protective cover plate 400's the one side, as the name suggests, splashproof groove 420 can prevent that the rock core granule from spattering outward, when core sampling device is high-speed rotatory, the rock core granule is because centrifugal force can follow the opening part spill of first collecting box 131, because protective cover plate 400 has seted up splashproof groove 420, protective cover plate 400 is the umbelliform, the rock core granule that spatters outward collides protective cover plate 400 major part and can kick-back to the collecting vat in, the minor part then can be followed the clearance that exists between the open end of protective cover plate 400 and first collecting box 131 and is spattered downwards, can avoid the personnel safety problem of the staff that the rock core granule spatters outward.
Referring to fig. 2 and 3, in the core sampling device provided by the present invention, a threaded rod 500 may be disposed at the center of the end surface of the second end 112 of the sampling body 110, correspondingly, a threaded hole 210 is disposed on the end surface of the drill bit 200 facing the sampling body 110, and then the sampling body 110 and the drill bit 200 are connected to the threaded hole 210 through the threaded rod 500 to be connected, and at this time, the rotation direction of the driving member driving the sampling body 110 and the drill bit 200 needs to be the same as the thread direction of the threaded rod 500.
It will be readily appreciated that the threaded shaft 500 and the threaded bore 210 are centered on the central axis of the core sampling apparatus to improve the stability of the drill bit 200 and to avoid the drill bit 200 from shifting during the drilling process and causing damage to the apparatus and even safety issues. Meanwhile, when the drill bit 200 is worn seriously due to long-time operation, the drill bit 200 only needs to be unscrewed for replacement, the operation is simple, convenient and quick, and the working strength of workers is greatly reduced.
It should be noted that the connection manner of the drill 200 and the sampling body 110 is not limited to the embodiment of the present invention, and is not limited herein.
After the sampling main body 110 is connected to the drill bit 200, if there is a gap between the sampling main body 110 and the drill bit 200, it is inevitable to cause the core particles to block the gap, and even the connection medium between the sampling main body 110 and the drill bit 200 is blocked, which may damage the sampling device itself, for example, the above-mentioned sampling main body 110 and the drill bit 200 are connected by the threaded rod 500 and the threaded hole 210, and the core particles may enter the gap between the threaded hole 210 to be blocked, which may also cause great trouble to the replacement of the drill bit 200.
Therefore, in some possible embodiments provided by the present invention, the baffle 600 may be circumferentially disposed on the end surface of the second end 112 of the sampling main body 110 to block the entry of the core particles, correspondingly, the limiting groove 700 is circumferentially disposed on the end surface of the drill bit 200 close to the sampling main body 110, and then the baffle 600 is sleeved in the limiting groove 700 to completely block the entry of the core particles.
In summary, the core sampling device according to some embodiments of the present invention has at least the following advantages:
a. through seting up the collecting vat on the terminal surface with rotary rod connection of sample main part, when rock core sampling device carries out deep drilling to the rock core, the rock core granule falls into the collecting vat, realizes the quick collection to the rock core granule.
b. Through the design collecting box, the core particles can be conveniently taken out after being collected.
c. Through dividing into a plurality of little collecting casees with the collecting box, use the filter screen to separate between a plurality of little collecting casees, can separate the rock core granule of not uniform size, prevent that the collecting vat from blockking up, can also satisfy the experiment to the various demands of rock core granule sample size
d. When the collecting vat is annular groove, the collecting box also when cyclic annular, collecting box collection capacity grow can also cup joint on the connecting rod, prevents that the centrifugal force of high-speed rotatory production from throwing away the collecting box.
e. Through setting up the protective cover board, prevent that the rock core granule from spattering outward, first collecting box can also be connected with the protective cover board, and after the sample finishes, take off the protective cover board and can together take out the collecting box, save the step of taking off the collecting box alone, practice thrift staff's time.
f. Still be provided with the splashproof groove on the protective cover board, can make the outer rock core granule that spatters kick-back to in the collecting vat or spill the personal safety of protection staff downwards.
g. The drill bit is detachably connected with the sampling main body, so that the drill bit is convenient to replace.
i. The device is simple and reasonable and is easy to operate.
The working principle of the rock core sampling device according to one embodiment of the present invention is described below with reference to the accompanying drawings:
the driving piece drives the rotary rod, and the rotary rod drives connecting rod and sample main part, and it is rotatory that sample main part drives the drill bit, carries out the deep drilling to the rock core, and at the in-process of getting that bores, the rock core produces a large amount of fragment granules, falls into first collecting box, and less rock core granule falls into the second collecting box through the filter screen and collects, finishes after the sample, studies the rock core granule.
An embodiment of the utility model provides a pair of rock core sampling device offers the collecting vat that is used for collecting the rock core granule through around the rotary rod on the terminal surface of the first end of sample main part, and wherein the first end of sample main part links to each other with the rotary rod, and the second end of sample main part links to each other with the drill bit, when rock core sampling device functions, can carry out the deep drilling to the rock core while, and the rock core granule falls into the collecting vat fast while, realizes the quick collection to the rock core granule. And through set up first collecting box and second collecting box in the collecting vat, separate with the filter screen between first collecting box and the second collecting box, little rock core granule passes through the filter screen and filters to the second floor collecting box in, big rock core granule then stays in first collecting box, prevents that the rock core granule that differs in size from mixing and causing the collecting vat to block up, can also satisfy the experiment and to the various demands of rock core granule sample size.
In the description of the present invention, it is to be understood that the terms "center", "length", "width", "thickness", "top", "bottom", "upper", "lower", "left", "right", "front", "rear", "vertical", "horizontal", "inner", "outer", "axial", "circumferential", and the like, which are used to indicate the orientation or positional relationship, are based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of the description, and do not indicate or imply that the position or element referred to must have a particular orientation, be of particular construction and operation, and therefore should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; may be mechanically coupled, may be electrically coupled or may be in communication with each other; either directly or indirectly through intervening media, such as through internal communication or through an interaction between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.
Claims (10)
1. A core sampling device, comprising: a sampling assembly and a drill bit;
the sampling assembly comprises a sampling main body and a rotating rod connected with a first end of the sampling main body, and a second end of the sampling main body is connected with the drill bit;
and a collecting tank for collecting core particles is arranged on the end face of the first end of the sampling main body around the rotating rod.
2. The core sampling device as recited in claim 1, wherein the sampling assembly further comprises a collection bin;
the collecting tank is sleeved in the collecting tank.
3. The core sampling device as recited in claim 2, wherein the collection bin comprises a first collection bin and a second collection bin;
the first collecting box is positioned above the second collecting box and is connected with the second collecting box;
a filter screen is arranged between the first collecting box and the second collecting box.
4. The core sampling device as recited in claim 3, wherein the collecting groove formed in the sampling body is an annular groove, and an inner ring side wall of the annular groove extends to form a connecting rod;
the rotary rod is connected with the sampling main body through the connecting rod;
the first collecting box and the second collecting box are arranged on the connecting rod in a penetrating mode.
5. The core sampling device as recited in claim 4, further comprising a protective cover;
the protective cover plate is sleeved on the rotating rod;
the protective cover plate is positioned above the collecting groove, the side wall of the first collecting box, which is close to the connecting rod, extends towards the protective cover plate to form an extension section, and the extension section is connected with the protective cover plate;
and a gap is formed between the protective cover plate and the open end of the first collecting box, so that the core particles enter the first collecting box from the gap.
6. The core sampling device according to claim 5, wherein a movable threaded sleeve is connected to the top of the protective cover plate, a thread is arranged on the rotating rod, and the protective cover plate and the rotating rod are connected through the movable threaded sleeve and the thread to realize sleeve joint.
7. The core sampling device as recited in claim 5, wherein a splash groove is formed in a surface of the protective cover plate facing the collecting groove, and the splash groove is configured to prevent the core particles from splashing outward.
8. The core sampling device as claimed in any one of claims 1 to 3, wherein a threaded rod is provided on an end surface of the second end of the sampling body, a threaded hole is provided on an end surface of the drill bit facing the sampling body, and the sampling body and the drill bit are connected to the threaded hole through the threaded rod.
9. The core sampling device as recited in any one of claims 1 to 3, wherein a baffle is circumferentially disposed on an end surface of the second end of the sampling body, a limiting groove is circumferentially disposed on an end surface of the drill bit adjacent to the sampling body, and the baffle is movably sleeved with the limiting groove.
10. The core sampling device as recited in any one of claims 1-3, further comprising: a drive member;
the driving piece is connected with one end, far away from the sampling assembly, of the rotating rod.
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|---|---|---|---|
| CN202020855260.8U CN212780017U (en) | 2020-05-20 | 2020-05-20 | Core sampling device |
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|---|---|---|---|
| CN202020855260.8U CN212780017U (en) | 2020-05-20 | 2020-05-20 | Core sampling device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115184073A (en) * | 2022-09-09 | 2022-10-14 | 深圳市勘察研究院有限公司 | Rock core sampling device for geotechnical engineering |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115184073A (en) * | 2022-09-09 | 2022-10-14 | 深圳市勘察研究院有限公司 | Rock core sampling device for geotechnical engineering |
| CN115184073B (en) * | 2022-09-09 | 2022-12-20 | 深圳市勘察研究院有限公司 | Rock core sampling device for geotechnical engineering |
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