CN218991520U - Drilling device with sampling function - Google Patents
Drilling device with sampling function Download PDFInfo
- Publication number
- CN218991520U CN218991520U CN202223395434.5U CN202223395434U CN218991520U CN 218991520 U CN218991520 U CN 218991520U CN 202223395434 U CN202223395434 U CN 202223395434U CN 218991520 U CN218991520 U CN 218991520U
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- sampling
- sleeve
- screw thread
- sampling sleeve
- drill rod
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- Sampling And Sample Adjustment (AREA)
- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
Abstract
The utility model discloses a drilling device with a sampling function, which comprises a spliced drill rod and a spliced sampling sleeve, wherein the spliced drill rod comprises a bottom drill rod and an elongated drill rod, a drill bit is arranged at the bottom of the bottom drill rod, a first external thread is arranged on the outer ring of the middle part of the bottom drill rod, a second external thread is arranged on the outer ring of the top of the bottom drill rod, a first internal thread matched with the second external thread is arranged on the inner ring of the bottom of the elongated drill rod, a third external thread is arranged on the top of the elongated drill rod, the drill bit comprises a drill bit body and a connecting part, a fourth external thread connected with the spliced sampling sleeve is arranged on the connecting part, the spliced sampling sleeve comprises a bottom sampling sleeve and an elongated sleeve, a second internal thread matched with the fourth external thread is arranged on the inner ring of the bottom sampling sleeve, and a third internal thread matched with the first external thread is arranged on the inner ring of the upper part of the bottom sampling sleeve.
Description
Technical Field
The utility model relates to the field of drilling, in particular to a drilling device with a sampling function.
Background
The existing drilling and drilling method generally adopts a combination of a drill rod and a core barrel containing a drill bit, the drill rod and the core barrel are required to be lifted out after one to two meters are drilled for the first time, all the drill rods are disassembled, the core barrel and the drill bit are replaced by a sampler, the drill rods are spliced and are downwards arranged at the bottom of the hole again for sampling, and secondary bottom arrangement is time-consuming and labor-consuming, so that the efficiency is affected.
Disclosure of Invention
The utility model aims to: the utility model aims to solve the technical problem of providing a drilling device with a sampling function aiming at the defects of the prior art.
In order to solve the technical problems, the utility model discloses a drilling device with a sampling function, which comprises a spliced drill rod and a spliced sampling sleeve, wherein the spliced drill rod comprises a bottom drill rod and an elongated drill rod, a drill bit is arranged at the bottom of the bottom drill rod, a first external thread is arranged on the outer ring of the middle part of the bottom drill rod, a second external thread is arranged on the outer ring of the top of the bottom drill rod, a first internal thread matched with the second external thread is arranged on the inner ring of the bottom of the elongated drill rod, a third external thread is arranged on the top of the elongated drill rod, the drill bit comprises a drill bit body and a connecting part, a fourth external thread connected with the spliced sampling sleeve is arranged on the connecting part, the spliced sampling sleeve comprises a bottom sampling sleeve and an elongated sleeve, a second internal thread matched with the fourth external thread is arranged on the inner ring of the bottom sampling sleeve, and a third internal thread matched with the first external thread is arranged on the inner ring of the upper part of the bottom sampling sleeve.
In the utility model, the length of the bottom sampling sleeve is matched with the distance between the first external thread and the fourth external thread, and the bottom sampling sleeve is sleeved on the inner ring of the bottom drill rod.
In the utility model, a gap is reserved between the inside of the bottom sampling sleeve and the bottom drill rod for soil sampling, so that the soil sampling can be stored conveniently.
According to the utility model, the top of the bottom sampling sleeve is provided with two arc-shaped connecting blocks, the middle of each arc-shaped connecting block is provided with a first screw hole, the bottom of the lengthening sleeve is provided with a connecting groove matched with the first arc-shaped connecting block, and the inner wall of the connecting groove is provided with a second screw hole matched with the first screw hole.
In the utility model, a circle of guide groove is arranged at the upper end of the drill bit body of the drill bit.
The beneficial effects are that: the utility model has convenient connection and fastening, and can finish soil sampling without lifting the drill rod by adopting the spliced sampling sleeve, thereby finishing the operation of drilling and sampling at one time.
Drawings
The foregoing and/or other advantages of the utility model will become more apparent from the following detailed description of the utility model when taken in conjunction with the accompanying drawings and detailed description.
FIG. 1 is a schematic view of a spliced drill pipe structure;
FIG. 2 is a schematic view of a spliced sampling sleeve;
fig. 3 is a schematic view of the bottom structure of the extension sleeve 10.
Reference numerals in the drawings: 1. the bottom drill rod, 2, the extension drill rod, 3, the drill bit, 4, first external screw thread, 5, second external screw thread, 6, first internal screw thread, 7, third external screw thread, 8, fourth external screw thread, 9, bottom sampling sleeve, 10, extension sleeve, 11, second internal screw thread, 12, third internal screw thread.
Detailed Description
Examples:
as shown in fig. 1, fig. 2 and fig. 3, the utility model discloses a drilling device with a sampling function, which comprises a spliced drill rod and a spliced sampling sleeve, wherein the spliced drill rod comprises a bottom drill rod 1 and an elongated drill rod 2, a drill bit 3 is arranged at the bottom of the bottom drill rod, a first external thread 4 is arranged on the outer circle of the middle part of the bottom drill rod 1, a second external thread 5 is arranged on the outer circle of the top of the bottom drill rod 1, a first internal thread 6 matched with the second external thread 5 is arranged on the inner circle of the bottom of the elongated drill rod, a third external thread 7 is arranged on the top of the elongated drill rod 2, the drill bit 3 comprises a drill bit body 3a and a connecting part 3b, the connecting part 3b is provided with a fourth external thread 8 connected with the spliced sampling sleeve, the spliced sampling sleeve comprises a bottom sampling sleeve 9 and an elongated sleeve 10, a second internal thread 11 matched with the fourth external thread 8 is arranged on the inner circle of the bottom sampling sleeve 9, and a third internal thread 12 matched with the first external thread 4 is arranged on the inner circle of the upper part of the bottom sampling sleeve 9.
The length of the bottom sampling sleeve 9 is adapted to the distance between the first external thread 4 and the fourth external thread 8.
A gap is reserved between the inside of the bottom sampling sleeve and the bottom drill rod 1 for soil sampling.
The bottom sampling sleeve 9 top is equipped with two arc connecting blocks, and the middle part of arc connecting block is equipped with first screw, and extension sleeve 10 bottom is equipped with the spread groove with first arc connecting block adaptation, and spread groove inner wall department is equipped with the second screw with first screw position adaptation. The bolt 16 penetrates into the first screw hole and the second screw hole 15 to be connected, and the splicing sampling sleeve is fastened.
The upper end of the bit body 3a of the drill bit 3 is provided with a circle of guide grooves 3c.
When the bottom sampling sleeve 9 is sleeved outside the bottom drilling rod 1, the bottom is screwed into the connecting portion 3b, the spliced drilling rod and the spliced sampling sleeve are installed according to the drilling depth, the top lengthening drilling rod is connected with the drilling machine, the spliced sampling sleeve is rotated when the drilling machine is drilled into the target depth, the bottom sampling sleeve 9 is separated from the connecting portion 3b and then is continuously drilled, soil at the target depth enters the inner gap of the bottom drilling rod 1 and the bottom sampling sleeve 9, a circle of guide groove 3c inclining upwards is formed, the auxiliary sampling is performed, the soil is conveniently led into the gap upwards, after the sampling is completed, the spliced sampling sleeve can be screwed downwards again, the sampled soil is prevented from falling, the spliced drilling rod and the spliced sampling sleeve are pulled out, and the sampling is completed.
The utility model provides a method and a thought of a drilling device with a sampling function, and a method and a way for realizing the technical scheme are numerous, the above is only a preferred embodiment of the utility model, and it should be noted that, for a person skilled in the art, several improvements and modifications can be made without departing from the principle of the utility model, and the improvements and modifications should be regarded as the protection scope of the utility model. The components not explicitly described in this embodiment can be implemented by using the prior art.
Claims (5)
1. Drilling equipment who possesses sample function, a serial communication port, including concatenation drilling rod and concatenation sampling sleeve, concatenation drilling rod includes bottom drilling rod (1) and extension drilling rod (2), bottom drilling rod bottom is equipped with drill bit (3), bottom drilling rod (1) middle part outer lane is equipped with first external screw thread (4), bottom drilling rod (1) top outer lane is equipped with second external screw thread (5), extension drilling rod bottom inner circle is equipped with first internal screw thread (6) with second external screw thread (5) adaptation, extension drilling rod (2) top is equipped with third external screw thread (7), drill bit (3) include drill bit body (3 a) and connecting portion (3 b), connecting portion (3 b) are equipped with fourth external screw thread (8) with concatenation sampling sleeve connection, concatenation sampling sleeve includes bottom sampling sleeve (9) and extension sleeve (10), bottom sampling sleeve (9) bottom inner circle is equipped with second internal screw thread (11) with fourth external screw thread (8) adaptation, bottom sampling sleeve (9) upper portion inner circle is equipped with third internal screw thread (12) with first external screw thread (4) adaptation.
2. Drilling device with sampling function according to claim 1, characterized in that the length of the bottom sampling sleeve (9) is adapted to the distance between the first external thread (4), the fourth external thread (8).
3. Drilling device with sampling function according to claim 1, characterized in that a space is left between the inside of the bottom sampling sleeve (9) and the bottom drill rod (1) for soil sampling.
4. Drilling device with sampling function according to claim 1, characterized in that the top of the bottom sampling sleeve (9) is provided with two arc-shaped connecting blocks (13), the middle part of each arc-shaped connecting block is provided with a first screw hole, the bottom of the lengthening sleeve (10) is provided with a connecting groove (14) adapted to the first arc-shaped connecting block, and the inner wall of the connecting groove is provided with a second screw hole (15) adapted to the position of the first screw hole.
5. Drilling device with sampling function according to claim 1, characterized in that the upper end of the bit body (3 a) of the drill bit (3) is provided with a circle of guide grooves (3 c).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223395434.5U CN218991520U (en) | 2022-12-16 | 2022-12-16 | Drilling device with sampling function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223395434.5U CN218991520U (en) | 2022-12-16 | 2022-12-16 | Drilling device with sampling function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218991520U true CN218991520U (en) | 2023-05-09 |
Family
ID=86219950
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223395434.5U Active CN218991520U (en) | 2022-12-16 | 2022-12-16 | Drilling device with sampling function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218991520U (en) |
-
2022
- 2022-12-16 CN CN202223395434.5U patent/CN218991520U/en active Active
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