CN210067977U - Double-pipe drilling tool - Google Patents
Double-pipe drilling tool Download PDFInfo
- Publication number
- CN210067977U CN210067977U CN201920572637.6U CN201920572637U CN210067977U CN 210067977 U CN210067977 U CN 210067977U CN 201920572637 U CN201920572637 U CN 201920572637U CN 210067977 U CN210067977 U CN 210067977U
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- pipe
- core
- threaded connection
- drill rod
- drilling tool
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Abstract
The utility model discloses a double-pipe drilling tool belongs to drilling equipment technical field. The utility model discloses a double-pipe drilling tool, which comprises a drill rod, a drill bit, a core protecting pipe and a core taking pipe, wherein the upper end of the core taking pipe is connected with a porous steel plug, and the lower end of the core taking pipe is inserted into the through-hole steel plug; the core taking pipe is arranged in the core protecting pipe from bottom to top, the through hole steel plug is screwed into the lower end of the core protecting pipe, and the upper end of the core protecting pipe is in threaded connection with a connector; after the core protection pipe is arranged in the drill rod from bottom to top, the lower end of the drill rod is in threaded connection with the drill bit, the upper end of the drill rod is in threaded connection with the locker, and the plugging bolt in threaded connection with the locker abuts against the connecting head. The utility model discloses simple structure, easy dismounting, it is convenient to get soil and unload soil, and soil sample fidelity is good.
Description
Technical Field
The utility model relates to a drilling rod, more specifically say, relate to a double-pipe drilling tool.
Background
The drilling is an important means for acquiring physical geological data in geological exploration and environmental soil sampling work, the drilling work not only requires improvement of drilling efficiency, but also ensures the quality of samples taken by the drilling work, and the quality of the samples directly influences the analysis of geology and environmental soil, so that how to take complete and accurate and reliable physical geological data from a drill hole is one of key technologies of the drilling work.
Disclosure of Invention
1. Technical problem to be solved by the utility model
An object of the utility model is to overcome foretell not enough, provide a double-pipe drilling tool, adopt the utility model discloses a technical scheme, simple structure, easy dismounting, it is convenient to borrow and unload soil, and soil sample fidelity is good.
2. Technical scheme
In order to achieve the above purpose, the utility model provides a technical scheme does:
the utility model discloses a double-pipe drilling tool, which comprises a drill rod, a drill bit, a core protecting pipe and a core taking pipe, wherein the upper end of the core taking pipe is connected with a porous steel plug, and the lower end of the core taking pipe is inserted into the through-hole steel plug; the core taking pipe is arranged in the core protecting pipe from bottom to top, the through hole steel plug is screwed into the lower end of the core protecting pipe, and the upper end of the core protecting pipe is in threaded connection with a connector; after the core protection pipe is arranged in the drill rod from bottom to top, the lower end of the drill rod is in threaded connection with the drill bit, the upper end of the drill rod is in threaded connection with the locker, and the plugging bolt in threaded connection with the locker abuts against the connecting head.
Furthermore, at least one connecting rod is arranged between the upper end of the drill rod and the locker, the lower end of the connecting rod is an external thread connecting section which can be in threaded connection with the upper end of the drill rod, and the upper end of the connecting rod is an internal thread connecting section which can be connected with the external thread connecting section; all be provided with interior bushing pipe in every connecting rod, the lower extreme welding of interior bushing pipe has the connector head I that is used for being connected with the connector, and the upper end welding of interior bushing pipe has the connector head II that can be connected with the cooperation of connector head I.
Furthermore, the core taking pipe is made of PVC.
3. Advantageous effects
Adopt the technical scheme provided by the utility model, compare with existing well-known technique, have following beneficial effect:
(1) the utility model discloses a double-pipe type drilling tool, its drilling rod utilizes the rig to work after finishing assembling, and the drill bit is drilled down, and soil gets into the coring pipe, puts forward the drilling rod after accomplishing the sample work, and lift off the drill bit, send to the laboratory after taking out the coring pipe from protecting the core pipe, and it is convenient to fetch and unload soil, and soil sample fidelity is good;
(2) the utility model discloses a double-pipe drilling tool, the upper end of its core taking pipe is connected with porous steel end cap, the lower extreme of core taking pipe inserts in the through-hole steel end cap, core taking pipe back through-hole steel end cap twists the lower extreme of protecting the core pipe after upwards packing into protecting the core pipe from bottom to top, the upper end threaded connection of protecting the core pipe has the connector, after protecting the core pipe and upwards packing into the drilling rod from bottom to top, the lower extreme and the drill bit threaded connection of drilling rod, the upper end and the locker threaded connection of drilling rod, the shutoff bolt of locker female connection supports on the connector, simple structure, easy dismounting;
(3) the utility model discloses a double-pipe drilling tool, at least one connecting rod is arranged between the upper end of a drill rod and a locker, the lower end of the connecting rod is an external thread connecting section which can be connected with the upper end of the drill rod by screw thread, and the upper end of the connecting rod is an internal thread connecting section which can be connected with the external thread connecting section; all be provided with interior bushing pipe in the every connecting rod, the lower extreme welding of interior bushing pipe has the connector head I that is used for being connected with the connector, and the upper end welding of interior bushing pipe has the connector head II that can be connected with the I cooperation of connector head, simple structure, and easy dismounting can require to increase one or many connecting rods and interior bushing pipe according to the concrete sampling degree of depth, uses in a flexible way.
Drawings
Fig. 1 is a schematic structural view of a double-tube drilling tool according to the present invention;
fig. 2 is a schematic structural view of a position a in a double-pipe drilling tool according to the present invention;
fig. 3 is a schematic structural diagram of a position B in a double-pipe drilling tool according to the present invention;
fig. 4 is a schematic structural diagram of a position C in a double-pipe drilling tool according to the present invention;
fig. 5 is a split view of the core protection tube, the connector, the lining tube and the movable head hanger in the double-tube drilling tool of the present invention;
fig. 6 is a split view of the core tube, the porous steel plug and the through-hole steel plug in the double-tube drilling tool of the utility model.
The reference numerals in the schematic drawings illustrate: 1. a drill stem; 2. a drill bit; 3. protecting the core tube; 4. taking a core pipe; 5. a porous steel plug; 6. a through hole steel plug; 7. a connector; 8. a locker; 9. plugging the bolt; 10. a connecting rod; 11. a liner tube; 12. connecting a pipe head I; 13. a connector head II; 14. a movable head hanger.
Detailed Description
For a further understanding of the present invention, reference will be made to the following detailed description taken in conjunction with the accompanying drawings and examples.
Examples
With reference to fig. 1, 2, 3, 4, and 6, the dual-tube drilling tool of the present embodiment includes a drill rod 1, a drill bit 2, a core protection tube 3, and a core removal tube 4, wherein the core removal tube 4 is made of PVC, the upper end of the core removal tube 4 is connected to a porous steel plug 5, and the lower end of the core removal tube 4 is inserted into the through-hole steel plug 6; after the core taking pipe 4 is arranged in the core protection pipe 3 from bottom to top, the through hole steel plug 6 is screwed into the lower end of the core protection pipe 3, and the upper end of the core protection pipe 3 is in threaded connection with a connector 7; after the core protection pipe 3 is arranged in the drill rod 1 from bottom to top, the lower end of the drill rod 1 is in threaded connection with the drill bit 2, the upper end of the drill rod 1 is in threaded connection with the locker 8, and the plugging bolt 9 in threaded connection with the locker 8 abuts against the connector 7, so that the structure is simple, the assembly and disassembly are convenient, the drill rod is used for working after the assembly of the drill rod is finished, the drill bit is drilled downwards, soil enters the core taking pipe, the drill rod is lifted out after the sampling work is finished, the drill bit is dismounted, the core protection pipe is pulled out, the core taking pipe is taken out from the core protection pipe, the through-hole steel plug and the porous steel plug on the core taking pipe are dismounted, the core taking pipe is plugged;
continuing and combining with the figure 5, after the first drilling is finished, taking a new core taking tube 4, finishing the assembly of the drill rod, arranging a connecting rod 10 between the upper end of the drill rod 1 and the locker 8, wherein the lower end of the connecting rod 10 is an external thread connecting section which can be in threaded connection with the upper end of the drill rod 1, and the upper end of the connecting rod 10 is an internal thread connecting section which can be connected with the external thread connecting section; an inner lining pipe 11 is arranged in each connecting rod 10, a connector head I12 used for being connected with a connector is welded at the lower end of the inner lining pipe 11, a connector head II 13 capable of being connected with the connector head I12 in a matched mode is welded at the upper end of the inner lining pipe 11, after assembly is completed, a locker 8 is connected with a power head of a drilling machine, second drilling work is started, a drill bit drills downwards, soil enters a core taking pipe, after second drilling is completed, a drill rod is lifted up, a locker is removed, a movable head lifting appliance 14 is connected with the inner lining rod, the inner lining pipe and the core protecting pipe connected with the movable head lifting appliance are lifted up by utilizing the hoisting function of the drilling machine, then the connected inner lining pipe and the core protecting pipe are removed, the core taking pipe is drawn out of the core protecting pipe, a through hole steel plug and a; according to the drilling depth, the connecting rod 10 and the lining pipe 11 are added, and the operation is repeated.
The utility model discloses a double-pipe drilling tool, simple structure, easy dismounting, it is convenient to get soil and unload soil, and soil sample fidelity is good.
The present invention and its embodiments have been described above schematically, and the description is not limited thereto, and what is shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. Therefore, if the person skilled in the art receives the teaching of the present invention, without departing from the inventive spirit of the present invention, the person skilled in the art should also design the similar structural modes and embodiments without creativity to the technical solution, and all shall fall within the protection scope of the present invention.
Claims (3)
1. A double-barrelled drilling tool comprising a drill rod (1) and a drill bit (2), characterized in that: the core taking pipe is characterized by further comprising a core protecting pipe (3) and a core taking pipe (4), wherein the upper end of the core taking pipe (4) is connected with a porous steel plug (5), and the lower end of the core taking pipe (4) is inserted into a through hole steel plug (6); the core taking pipe (4) is arranged in the core protecting pipe (3) from bottom to top, the through hole steel plug (6) is screwed into the lower end of the core protecting pipe (3), and the upper end of the core protecting pipe (3) is in threaded connection with a connector (7); after the core protection pipe (3) is arranged in the drill rod (1) from bottom to top, the lower end of the drill rod (1) is in threaded connection with the drill bit (2), the upper end of the drill rod (1) is in threaded connection with the locker (8), and the plugging bolt (9) in the locker (8) in threaded connection abuts against the connector (7).
2. A dual tubing drilling tool as claimed in claim 1, wherein: at least one connecting rod (10) is arranged between the upper end of the drill rod (1) and the locker (8), the lower end of the connecting rod (10) is an external thread connecting section which can be in threaded connection with the upper end of the drill rod (1), and the upper end of the connecting rod (10) is an internal thread connecting section which can be connected with the external thread connecting section; a lining pipe (11) is arranged in each connecting rod (10), the lower end of the lining pipe (11) is welded with a connecting pipe head I (12) used for being connected with the connector, and the upper end of the lining pipe (11) is welded with a connecting pipe head II (13) which can be connected with the connecting pipe head I (12) in a matched mode.
3. A dual tubing drilling tool as claimed in claim 2, wherein: the core taking pipe (4) is made of PVC.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920572637.6U CN210067977U (en) | 2019-04-25 | 2019-04-25 | Double-pipe drilling tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920572637.6U CN210067977U (en) | 2019-04-25 | 2019-04-25 | Double-pipe drilling tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210067977U true CN210067977U (en) | 2020-02-14 |
Family
ID=69448998
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920572637.6U Active CN210067977U (en) | 2019-04-25 | 2019-04-25 | Double-pipe drilling tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210067977U (en) |
-
2019
- 2019-04-25 CN CN201920572637.6U patent/CN210067977U/en active Active
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