CN117489270A - Weak soil geology long distance horizontal directional drilling device - Google Patents
Weak soil geology long distance horizontal directional drilling device Download PDFInfo
- Publication number
- CN117489270A CN117489270A CN202311637852.7A CN202311637852A CN117489270A CN 117489270 A CN117489270 A CN 117489270A CN 202311637852 A CN202311637852 A CN 202311637852A CN 117489270 A CN117489270 A CN 117489270A
- Authority
- CN
- China
- Prior art keywords
- reaming
- head
- weak soil
- drilling device
- long distance
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 238000005553 drilling Methods 0.000 title claims abstract description 52
- 239000002689 soil Substances 0.000 title claims abstract description 31
- 230000002265 prevention Effects 0.000 claims abstract description 17
- 230000002093 peripheral effect Effects 0.000 claims abstract description 8
- 239000004568 cement Substances 0.000 claims description 21
- 238000009434 installation Methods 0.000 claims description 9
- 230000003014 reinforcing effect Effects 0.000 claims description 7
- 238000001035 drying Methods 0.000 claims description 6
- 239000011148 porous material Substances 0.000 abstract description 19
- 230000000694 effects Effects 0.000 abstract description 8
- 230000008719 thickening Effects 0.000 abstract description 7
- 238000010586 diagram Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 238000010276 construction Methods 0.000 description 4
- 230000001681 protective effect Effects 0.000 description 4
- 238000009412 basement excavation Methods 0.000 description 3
- 238000007789 sealing Methods 0.000 description 2
- 239000002002 slurry Substances 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B7/00—Special methods or apparatus for drilling
- E21B7/04—Directional drilling
- E21B7/046—Directional drilling horizontal drilling
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B7/00—Special methods or apparatus for drilling
- E21B7/28—Enlarging drilled holes, e.g. by counterboring
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Mechanical Engineering (AREA)
- Earth Drilling (AREA)
Abstract
The invention provides a weak soil geological long-distance horizontal directional drilling device which comprises a drill rod, a drill bit and a reaming structure, wherein the drill bit and the reaming structure are corresponding to the drill rod, a thickening sleeve is fixed on the periphery of the drill rod, the reaming structure comprises a first reaming head and a plurality of second reaming heads, the first reaming head and the second reaming heads are fixedly connected through threads, one end of each second reaming head far away from the first reaming head is fixedly provided with a mounting head through threads, one side of each mounting head is provided with a protection hose, an anti-collapse pipeline is arranged in each protection hose, and the anti-collapse pipeline corresponds to the mounting head. The invention can support the pore canal through the collapse prevention pipe, thereby preventing the pore canal from collapsing, and the peripheral side of the collapse prevention pipe can be poured through the protection hose, so that the collapse prevention pipe can be protected, the strength of loose weak soil can be enhanced, and the collapse prevention effect is achieved.
Description
Technical Field
The invention relates to the technical field of drilling devices, in particular to a weak soil geological long-distance horizontal directional drilling device.
Background
In the construction of underground pipeline laying, non-excavation laying is generally used, and non-excavation refers to a new construction technology for laying, replacing and repairing various underground pipelines under the condition of excavating an extremely small part of the earth surface by utilizing various rock-soil drilling equipment and technical means through guiding, directional drilling and other modes, so that traffic is not hindered, green lands and vegetation are not damaged, normal life and working order of shops, hospitals, schools and residents are not influenced, the interference of the traditional excavation construction to the life of residents is solved, and the damage and adverse effects on traffic, environment and surrounding building foundations are avoided, so that the method has higher social and economic effects.
In the construction process, a horizontal directional drilling device is usually required to be used for drilling, the existing horizontal directional drilling device is mostly driven by a driving device to rotate a drill rod so as to drive a drill bit to rotate for drilling, a control system behind the drill bit is used for accurately controlling the drilling direction, the drill bit is used for drilling forward along a given line, when the drill bit drills out the ground, the drill bit is replaced by a reaming device, the drill rod is pulled back for reaming, the whole drilling process can be completed, in the drilling process, mud is sprayed out to strengthen the inner wall of a pore canal, but for areas with weaker soil, the fixing effect of the mud is poor due to loose soil, so that the phenomenon that the pore canal collapses easily after reaming is caused, and the drilling is failed.
Therefore, the invention provides a weak soil geological long-distance horizontal directional drilling device.
Disclosure of Invention
Aiming at the defects existing in the prior art, the invention aims to provide a weak soil geological long-distance horizontal directional drilling device so as to solve the problems in the prior art, the invention can support the pore canal through the collapse prevention pipeline so as to prevent the pore canal from collapsing, and the peripheral side of the collapse prevention pipeline can be poured through the protection hose, so that the collapse prevention pipeline can be protected, the strength of loose weak soil can be enhanced, and the collapse prevention effect is realized; the size of the drilling hole can be changed without changing a reaming structure, and the application range of the device is enlarged; most of the mud in the pore channels can be pushed out, so that the mud is prevented from blocking the pore channels.
In order to achieve the above object, the present invention is realized by the following technical scheme: the utility model provides a weak soil geology long distance level directional drilling device, includes drilling rod, drill bit and reaming structure all correspond with the drilling rod, and the week side of drilling rod is fixed with the thickening cover, and reaming structure includes first reaming head and a plurality of second reaming head, all through screw thread fixed connection between first reaming head and the second reaming head, between two adjacent second reaming heads, the one end screw thread fixed of the second reaming head of keeping away from first reaming head has the installation head, and protective hose has been installed to installation head one side, is equipped with the pipeline of preventing collapsing in the protective hose, and the pipeline of preventing collapsing corresponds with the installation head.
Further, first thread grooves are formed in the drill bit and the first reaming head, and the first thread grooves correspond to the drill rod.
Further, second thread grooves are formed in the first reaming head and the second reaming head, a thread head is fixed at one end of the second reaming head, and the mounting head and the thread head correspond to the second thread grooves.
Further, a slot is formed in the second thread groove, a reinforcing groove is formed in the slot, a plug is fixed at one end of the second reaming head, and the plug corresponds to the slot.
Further, a third thread groove is formed in the reinforcing groove, the plurality of third thread grooves are communicated, and a threaded rod is arranged in the third thread groove.
Further, a plurality of rotary teeth are fixed on the peripheral side of the first reaming head and the peripheral side of the second reaming head.
Furthermore, one end of the collapse prevention pipeline is fixed with the mounting head through threads, and the mounting head is fixedly connected with the protection hose.
Further, the protection hose is of a tubular structure, and the inner wall of the protection hose is contacted with the outer wall of the collapse prevention pipeline.
Further, a cement groove is formed in the mounting head, a through groove is formed in the pipe wall of the protection hose, the through groove is communicated with the cement groove, and quick-drying cement is filled in the through groove and the cement groove.
Furthermore, a plurality of pouring openings are formed in one side of the mounting head, and the pouring openings are communicated with the cement groove.
The invention has the beneficial effects that: the invention relates to a weak soil geological long-distance horizontal directional drilling device, which comprises a mounting head; a protective hose; an anti-collapse pipe; a first reaming head; a second reaming head; a reaming structure; a drill rod; and (5) thickening the sleeve.
The protection hose is arranged on one side of the mounting head, the collapse-preventing pipeline is arranged in the protection hose, the pore canal can be supported through the collapse-preventing pipeline, so that the pore canal collapse is prevented, the peripheral side of the collapse-preventing pipeline can be poured through the protection hose, the collapse-preventing pipeline can be protected, the strength of loose soft soil can be enhanced, the collapse-preventing effect is achieved, a plurality of second reaming heads are arranged on one side of the first reaming head, the number of the second reaming heads can be selected according to requirements, the reaming structure is not required to be changed, the size of a drilling hole is changed, the application range of the device is enlarged, a thickening sleeve is arranged on the peripheral side of a drilling rod, most of slurry in the pore canal can be pushed out, and the pore canal is prevented from being blocked by slurry.
Drawings
FIG. 1 is a schematic diagram of an assembled three-dimensional structure of a drill rod and a drill bit in a weak soil geological long-distance horizontal directional drilling device;
FIG. 2 is a schematic diagram of an assembled three-dimensional structure of a drill rod and a reaming structure in a weak soil geological long-distance horizontal directional drilling device;
FIG. 3 is a schematic diagram of an assembled three-dimensional structure of a second reamer head in the weak soil geological long-distance horizontally oriented drilling device of the invention;
FIG. 4 is a schematic diagram of an assembled cross-sectional structure of a drill rod and a reaming structure in a weak soil geological long-distance horizontal directional drilling device;
FIG. 5 is a schematic diagram of FIG. 4 at A;
FIG. 6 is a schematic diagram of an assembled cross-sectional structure of an anti-collapse pipe and a protection hose in a weak soil geological long-distance horizontal directional drilling device;
in the figure: 1. a drill rod; 2. a drill bit; 3. thickening the sleeve; 4. a reaming structure; 5. a first reaming head; 6. a second reaming head; 7. rotating teeth; 8. a thread head; 9. a third thread groove; 10. a plug; 11. a reinforcing groove; 12. a sealing gasket; 13. an anti-collapse pipe; 14. a protective hose; 15. pouring the port; 16. a through groove; 17. a mounting head; 18. a cement tank; 19. a slot.
Detailed Description
The invention is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the invention easy to understand.
Referring to fig. 1 to 6, the present invention provides a technical solution: the utility model provides a weak soil geology long distance level directional drilling device, includes drilling rod 1, drill bit 2 and reaming structure 4 all correspond with drilling rod 1, and the week side of drilling rod 1 is fixed with the thickening cover 3, and reaming structure 4 includes first reaming head 5 and a plurality of second reaming head 6, all through screw thread fixed connection between first reaming head 5 and the second reaming head 6, between two adjacent second reaming heads 6, the one end screw thread fixed who keeps away from the second reaming head 6 of first reaming head 5 has installation head 17, and protection hose 14 has been installed to installation head 17 one side, and protection hose 14 installs in and prevents collapsing pipeline 13, and anti-collapsing pipeline 13 corresponds with installation head 17.
In this embodiment, the first thread groove is formed in each of the drill bit 2 and the first reaming head 5, and the first thread groove corresponds to the drill rod 1, so that the drill bit 2 and the reaming structure 4 can be conveniently detached and replaced by using the thread fixing when drilling, reaming is conveniently performed after drilling, and a pore canal with multiple required pore diameters can be obtained.
The first reaming head 5 and the second reaming head 6 are internally provided with second thread grooves, one end of the second reaming head 6 is fixedly provided with a thread head 8, the mounting head 17 and the thread head 8 are corresponding to the second thread grooves, the second reaming head 6 is of a conical structure, the sizes of the second reaming heads 6 are different, when the size of a pore canal needs to be changed, the proper second reaming head 6 can be selected according to a required pore diameter substitution pin, all other second reaming heads 6 smaller than the maximum diameter of the second reaming head 6 are fixedly connected together through the thread head 8 and the second thread grooves, then the second reaming head 6 with the minimum front end is fixedly connected with the first reaming head 5 through threads, the mounting head 17 and the largest second reaming head 6 are fixedly connected together through the second thread grooves, and then the first reaming head 5 and the second reaming head 6 are pulled back, so that the pore diameter can be reamed, and the pore diameter can be adjusted.
The second thread groove is internally provided with a slot 19, the slot 19 is internally provided with a reinforcing groove 11, one end of the second reaming head 6 is fixedly provided with a plug 10, the plug 10 corresponds to the slot 19, the reinforcing groove 11 is internally provided with a third thread groove 9, the third thread grooves 9 are communicated, and the third thread groove 9 is internally provided with a threaded rod.
Specifically, when a plurality of second reaming heads 6 are connected with each other, when the second reaming heads 6 are connected with the first reaming heads 5, the plug 10 is inserted into the slot 19, the threaded rod can be rotated and screwed into the third thread groove 9, and the second reaming heads 6, the first reaming heads 5 and the plurality of second reaming heads 6 can be further reinforced, so that the first reaming heads 5 and the second reaming heads 6 are prevented from falling in the pore canal in the drilling and reaming process, and the sealing gasket 12 is arranged between the first reaming heads 5 and the second reaming heads 6, so that mud entering between the first reaming heads 5 and the second reaming heads 6 can be prevented.
The periphery of the first reaming head 5 and the periphery of the second reaming head 6 are both fixed with a plurality of rotary teeth 7, and the rotary teeth 7 are driven to rotate through the first reaming head 5 and the second reaming head 6, so that a better reaming effect can be achieved.
One end of the collapse prevention pipe 13 is fixed with a mounting head 17 through threads, the mounting head 17 is fixedly connected with a protection hose 14, the protection hose 14 is of a tubular structure, the inner wall of the protection hose 14 is in contact with the outer wall of the collapse prevention pipe 13, a cement groove 18 is formed in the mounting head 17, a through groove 16 is formed in the pipe wall of the protection hose 14, the through groove 16 is communicated with the cement groove 18, quick-drying cement is filled in the through groove 16 and the cement groove 18, a plurality of pouring openings 15 are formed in one side of the mounting head 17, and the pouring openings 15 are communicated with the cement groove 18.
Specifically, when the basic hole is drilled through the drill bit 2, the drill rod 1 drives the drill bit 2 to rotate to drill, and the section of the thickening sleeve 3, which is close to the cliff on one side of the drill bit 2, can push out the mud in the hole, so that the hole is prevented from being blocked by the mud.
After the drill bit 2 drills out the basic hole, the hole reaming structure 4 is pulled back through the drill rod 1 to ream, at this moment, the first hole reaming head 5 and the second hole reaming head 6 drive the collapse prevention pipeline 13 and the protection hose 14 to enter the hole, at this moment, quick-drying cement is introduced into the through groove 16, the quick-drying cement enters the cement groove 18, and then the quick-drying cement is sent out from the pouring opening 15, the periphery of the protection hose 14 can be poured, so that a cement protection layer is formed on the periphery of the collapse prevention pipeline 13, the collapse prevention pipeline 13 can be protected, meanwhile, the collapse of softer soil can be prevented, and the success of drilling can be ensured.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (10)
1. The utility model provides a weak soil geology long distance level directional drilling device, includes drilling rod (1), drill bit (2) and reaming structure (4), its characterized in that, drill bit (2) and reaming structure (4) all correspond with drilling rod (1), the week side of drilling rod (1) is fixed with and adds thick cover (3), reaming structure (4) include first reaming head (5) and a plurality of second reaming head (6), between first reaming head (5) and second reaming head (6), all through screw thread fixed connection between two adjacent second reaming heads (6), the one end screw thread of second reaming head (6) of keeping away from first reaming head (5) is fixed with installation head (17), protection hose (14) are installed to installation head (17) one side, be equipped with anti-collapse pipeline (13) in protection hose (14), anti-collapse pipeline (13) correspond with installation head (17).
2. The weak soil geological long distance horizontally oriented drilling device according to claim 1, wherein: the drill bit (2) and the first reaming head (5) are internally provided with first thread grooves, and the first thread grooves correspond to the drill rod (1).
3. The weak soil geological long distance horizontally oriented drilling device according to claim 1, wherein: second thread grooves are formed in the first reaming head (5) and the second reaming head (6), a thread head (8) is fixed at one end of the second reaming head (6), and the mounting head (17) and the thread head (8) correspond to the second thread grooves.
4. A weak soil geological long distance horizontally oriented drilling device according to claim 3, wherein: a slot (19) is formed in the second thread groove, a reinforcing groove (11) is formed in the slot (19), a plug (10) is fixed at one end of the second reaming head (6), and the plug (10) corresponds to the slot (19).
5. The weak soil geological long distance horizontally oriented drilling device of claim 4, wherein: a third thread groove (9) is formed in the reinforcing groove (11), the plurality of third thread grooves (9) are communicated, and a threaded rod is arranged in the third thread groove (9).
6. The weak soil geological long distance horizontally oriented drilling device according to claim 1, wherein: a plurality of rotary teeth (7) are fixed on the peripheral side of the first reaming head (5) and the peripheral side of the second reaming head (6).
7. The weak soil geological long distance horizontally oriented drilling device according to claim 1, wherein: one end of the collapse prevention pipeline (13) is fixed with a mounting head (17) through threads, and the mounting head (17) is fixedly connected with the protection hose (14).
8. The weak soil geological long distance horizontally oriented drilling device according to claim 1, wherein: the protection hose (14) is of a tubular structure, and the inner wall of the protection hose (14) is contacted with the outer wall of the collapse prevention pipeline (13).
9. The weak soil geological long distance horizontally oriented drilling device according to claim 1, wherein: cement grooves (18) are formed in the mounting heads (17), through grooves (16) are formed in the pipe walls of the protection hoses (14), the through grooves (16) are communicated with the cement grooves (18), and quick-drying cement is filled in the through grooves (16) and the cement grooves (18).
10. The weak soil geological long distance horizontally oriented drilling device of claim 9, wherein: a plurality of pouring openings (15) are formed in one side of the mounting head (17), and the pouring openings (15) are communicated with the cement groove (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311637852.7A CN117489270A (en) | 2023-12-02 | 2023-12-02 | Weak soil geology long distance horizontal directional drilling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311637852.7A CN117489270A (en) | 2023-12-02 | 2023-12-02 | Weak soil geology long distance horizontal directional drilling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117489270A true CN117489270A (en) | 2024-02-02 |
Family
ID=89676463
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311637852.7A Pending CN117489270A (en) | 2023-12-02 | 2023-12-02 | Weak soil geology long distance horizontal directional drilling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117489270A (en) |
-
2023
- 2023-12-02 CN CN202311637852.7A patent/CN117489270A/en active Pending
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