CN210396678U - Advance and bore geological exploration drilling sample coring device - Google Patents
Advance and bore geological exploration drilling sample coring device Download PDFInfo
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- CN210396678U CN210396678U CN201921558032.8U CN201921558032U CN210396678U CN 210396678 U CN210396678 U CN 210396678U CN 201921558032 U CN201921558032 U CN 201921558032U CN 210396678 U CN210396678 U CN 210396678U
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Abstract
The utility model discloses a core device is bored in advance geological prospecting drilling appearance mainly relates to stereoplasm stratum core sample field of boring. Comprises a drill rod, a drill bit and a sampling tube matched with the inner diameter of the drill rod; the top of the drill bit is provided with a bearing step; the bottom surface of the sampling tube is supported by the bearing step after the sampling tube is inserted into the drill rod, a side opening is formed in the sampling tube, a plurality of water leakage holes are formed in the side surface of the sampling tube, and the inner diameter of the sampling tube is larger than that of the drill bit. The beneficial effects of the utility model reside in that: the drill samples can be directly stored in the sampling cylinder in the process of drilling sample sampling, the drill samples are arranged in the sampling cylinder when being poured out of the drill rod, the label arrangement after pouring is not needed, and the label arrangement is only needed; the sample drilling can be carried out in the sampling cylinder, and the labels cannot be disturbed in the sample washing process; in the whole process, the sample cores are arranged in the sampling barrel, and core blocks with small volume can not be omitted; the exploration construction efficiency is greatly improved.
Description
Technical Field
The utility model relates to a stereoplasm stratum bores core sample field, specifically is advance to bore geological prospecting and bores appearance coring device.
Background
The advanced drilling sampling is generally used for hard stratum core drilling sampling, and the advanced drilling geological exploration drilling sample is used for coring to judge geological structures of all stratum depths. And continuously drilling downwards and simultaneously continuously injecting drilling fluid into the drill rod.
The drill core is taken out to have a plurality of fragments, the drill bit is taken off to pour the fragments out of the drill rod, and then all the poured core blocks are arranged after being numbered according to the depth. Also, because of the large amount of slurry on the surface of the pellets, the pellets need to be cleaned and analyzed after the labels are aligned. For the drill samples which need further analysis and study, all the pellets are stored in the sampling cylinder according to the label arrangement and then taken back.
In the construction process, two stages of ' pouring label arrangement ' and ' storing in the sampling barrel for storage according to label arrangement are time-consuming in the whole process of drilling the sample, pouring label arrangement, washing the sample, storing in the sampling barrel for storage according to label arrangement, and pellets with small volume are easy to omit.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an advance drilling geological exploration drilling sample coring device, which can directly store the drilling sample in a sampling cylinder in the drilling sample sampling process, wherein the drilling sample is arranged in the sampling cylinder when being poured out from a drill rod, and the mark arrangement after pouring is not needed, and only the mark is needed; the sample drilling can be carried out in the sampling cylinder, and the labels cannot be disturbed in the sample washing process; in the whole process, the sample cores are arranged in the sampling barrel, and core blocks with small volume can not be omitted; the exploration construction efficiency is greatly improved.
The utility model discloses a realize above-mentioned purpose, realize through following technical scheme:
the advanced drilling geological exploration drilling sample coring device comprises a drill rod and a drill bit detachably connected to the bottom of the drill rod, wherein the outer diameter of the drill bit is larger than that of the drill rod; the sampling tube is matched with the inner diameter of the drill rod; the top of the drill bit is provided with a bearing step, and the internal thread at the top of the drill bit is in threaded connection with the external thread at the bottom of the drill rod; the bottom surface of the sampling tube is supported by the bearing step after the sampling tube is inserted into the drill rod, a side opening is formed in the sampling tube, a plurality of water leakage holes are formed in the side surface of the sampling tube, and the inner diameter of the sampling tube is larger than that of the drill bit.
The drilling rod inboard is equipped with the spacing groove, the sampler barrel outside is equipped with the spacing sand grip that suits with the spacing groove, spacing sand grip sliding connection is at the spacing inslot.
The drill rod top is equipped with the connector, be equipped with on the connector with external motor output matched with hexagon socket, the sampler barrel top is parallel and level with hexagon socket bottom.
And rubber sealing plugs are arranged at two ends of the sampling tube.
Contrast prior art, the beneficial effects of the utility model reside in that:
when the sampling device is used, the sampling cylinder is firstly inserted from the top of the drill rod, and then the connector at the top of the drill rod is matched with the output end of an external motor. The bottom of the sampling cylinder is in contact with the bearing step, and the top end of the sampling cylinder is flush with the bottom end of the inner hexagonal hole, so that the output end of an external motor can just prop against the top end of the sampling cylinder. Drilling is then performed.
Through above-mentioned device, boring a kind in-process, the sample core can directly be deposited the sampler barrel in the drilling rod with boring the appearance from the drill bit bottom, when pouring out from the drilling rod, bores appearance and sampler barrel and pours out together, bores the appearance and has arranged in the sampler barrel, need not to pour back reference numeral again and arranges, only need carry on the reference numeral can. The drilled sample can be washed in the sampling cylinder, clear water is poured from the side opening on the sampling cylinder for washing the sample, and then the water flows out from the water leakage hole, so that the label is not disturbed in the sample washing process; in the whole process, the sample cores are arranged in the sampling barrel, and core blocks with small volume can not be omitted; the exploration construction efficiency is greatly improved.
For the drill samples needing further analysis and study, the two ends of the sampling cylinder are plugged with rubber and then are brought back.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural view and a partial enlarged view of the well drill rod and the sampling tube of the present invention in a separated state.
Fig. 3 is a sectional view and a partially enlarged view of the present invention.
Fig. 4 is a schematic diagram of a three-dimensional structure of the middle drill rod in a overlooking state.
FIG. 5 is a schematic view of the matching state between the sampling cylinder and the rubber plug of the present invention.
Reference numerals shown in the drawings:
1. a drill stem; 2. a drill bit; 3. a sampling tube; 4. carrying steps; 5. opening the side; 6. a water leakage hole; 7. a limiting groove; 8. limiting convex strips; 9. a connector; 10. an inner hexagonal hole; 11. and (5) sealing and plugging with rubber.
Detailed Description
The present invention will be further described with reference to the following specific examples. It should be understood that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention. Furthermore, it should be understood that various changes or modifications of the present invention may be made by those skilled in the art after reading the teachings of the present invention, and these equivalents also fall within the scope defined in the present application.
The utility model relates to a core device for advance geological exploration drilling sample, which comprises a main structure including a drill rod 1 and a drill bit 2 detachably connected to the bottom of the drill rod 1, wherein the outer diameter of the drill bit 2 is larger than that of the drill rod 1; in this way, the diameter of the hole of the drill bit 2 is larger than the outer diameter of the drill rod 1, facilitating the downward feeding of the drill rod 1.
The device also comprises a sampling cylinder 3 matched with the inner diameter of the drill rod 1; the top of the drill bit 2 is provided with a bearing step 4, and the internal thread at the top of the drill bit 2 is in threaded connection with the external thread at the bottom of the drill rod 1; the bottom surface of the sampling cylinder 3 is supported by the bearing step 4 after the sampling cylinder is inserted into the drill rod 1, a side opening 5 is arranged on the sampling cylinder 3, and a plurality of water leakage holes 6 are formed in the side surface of the sampling cylinder 3. The internal diameter of the sampling cylinder 3 is larger than that of the drill bit 2, so that the frictional contact between the drill core and the inner wall of the sampling cylinder 3 is smaller, and the drill core can enter the sampling cylinder 3 more easily.
The drill rod 1 inboard is equipped with spacing groove 7, the sampler barrel 3 outside is equipped with the spacing sand grip 8 that suits with spacing groove 7, spacing sand grip 8 sliding connection is in spacing groove 7. The purpose of this is to confine the sampling tube 3 within the drill rod 1, acting as a stop. The top of the drill rod 1 is provided with a connector 9, the connector 9 is provided with an inner hexagonal hole 10 matched with the output end of an external motor, and the top end of the sampling cylinder 3 is flush with the bottom end of the inner hexagonal hole 10. The bottom of the sampling cylinder 3 contacts with the bearing step 4, and the output end of an external motor can just prop against the top end of the sampling cylinder 3.
And rubber sealing plugs 11 are arranged at two ends of the sampling tube 3. For the drill samples needing further analysis and study, the two ends of the sampling cylinder 3 are plugged with rubber plugs 11 and then are brought back.
The using method comprises the following steps:
when the device is used, the drill bit 2 is firstly connected to the bottom end of the drill rod 1, then the sampling cylinder 3 is inserted from the top of the drill rod 1, and then the connector 9 at the top of the drill rod 1 is matched with the output end of an external motor. The bottom of the sampling cylinder 3 contacts with the bearing step 4, and the top of the sampling cylinder 3 is flush with the bottom of the hexagonal socket 10, so that the output end of an external motor can just prop against the top of the sampling cylinder 3. Drilling is then performed. Through the device, in the sample drilling process, the sample core can directly store the drilling sample into the sampling cylinder 3 in the drill rod 1 from the bottom of the drill bit 2.
When pouring out from drilling rod 1, at first take off drill bit 2 from drilling rod 1, then pour out drilling sample and sampler barrel 3 together, drilling sample has arranged in sampler barrel 3, need not to pour out back label and arranges, only need carry out the label can.
And the drilling sample can be washed in the sampling cylinder 3, clear water is poured from the side opening 5 on the sampling cylinder 3 to wash the sample, then the water flows out from the water leakage hole 6, and the label cannot be disordered in the sample washing process.
In the whole process, the sample cores are arranged in the sampling barrel, and core blocks with small volume can not be omitted; the exploration construction efficiency is greatly improved.
For the drill samples needing further analysis and study, the two ends of the sampling cylinder 3 are plugged with rubber plugs 11 and then are brought back.
Claims (4)
1. The advanced drilling geological exploration drilling sample coring device comprises a drill rod (1) and a drill bit (2) detachably connected to the bottom of the drill rod (1), wherein the outer diameter of the drill bit (2) is larger than that of the drill rod (1); the method is characterized in that: the sampling device also comprises a sampling cylinder (3) matched with the inner diameter of the drill rod (1);
the top of the drill bit (2) is provided with a bearing step (4), and the internal thread at the top of the drill bit (2) is in threaded connection with the external thread at the bottom of the drill rod (1);
its bottom surface supports with accepting step (4) in the drilling rod (1) back is inserted in sampler barrel (3), be equipped with side opening (5) on sampler barrel (3), sampler barrel (3) side is equipped with a plurality of holes that leak (6), sampler barrel (3) internal diameter is greater than drill bit (2) internal diameter.
2. The core taking device for advance geological prospecting drilling according to claim 1, characterized in that: drilling rod (1) inboard is equipped with spacing groove (7), sampler barrel (3) outside is equipped with spacing sand grip (8) that suit with spacing groove (7), spacing sand grip (8) sliding connection is in spacing groove (7).
3. The core taking device for advance geological prospecting drilling according to claim 1, characterized in that: the drill rod (1) top is equipped with connector (9), be equipped with on connector (9) with external motor output matched with interior hexagonal hole (10), sampler barrel (3) top and interior hexagonal hole (10) bottom parallel and level.
4. The core taking device for advance geological prospecting drilling according to claim 1, characterized in that: and rubber sealing plugs (11) are arranged at two ends of the sampling cylinder (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921558032.8U CN210396678U (en) | 2019-09-18 | 2019-09-18 | Advance and bore geological exploration drilling sample coring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921558032.8U CN210396678U (en) | 2019-09-18 | 2019-09-18 | Advance and bore geological exploration drilling sample coring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210396678U true CN210396678U (en) | 2020-04-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921558032.8U Expired - Fee Related CN210396678U (en) | 2019-09-18 | 2019-09-18 | Advance and bore geological exploration drilling sample coring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210396678U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112412374A (en) * | 2020-11-18 | 2021-02-26 | 重庆市二零五勘测设计有限公司 | Geological exploration system and construction method thereof |
| CN112492895A (en) * | 2020-11-26 | 2021-03-16 | 陈泽祥 | Hole-digging soil-loosening drill rod for cultivated land |
-
2019
- 2019-09-18 CN CN201921558032.8U patent/CN210396678U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112412374A (en) * | 2020-11-18 | 2021-02-26 | 重庆市二零五勘测设计有限公司 | Geological exploration system and construction method thereof |
| CN112492895A (en) * | 2020-11-26 | 2021-03-16 | 陈泽祥 | Hole-digging soil-loosening drill rod for cultivated land |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200424 Termination date: 20200918 |
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| CF01 | Termination of patent right due to non-payment of annual fee |