CN212743869U - Drilling tool capable of drilling and simultaneously discharging slag - Google Patents
Drilling tool capable of drilling and simultaneously discharging slag Download PDFInfo
- Publication number
- CN212743869U CN212743869U CN202021395308.8U CN202021395308U CN212743869U CN 212743869 U CN212743869 U CN 212743869U CN 202021395308 U CN202021395308 U CN 202021395308U CN 212743869 U CN212743869 U CN 212743869U
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- Prior art keywords
- drill bit
- pressure water
- drilling
- connecting piece
- conical
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- 238000005553 drilling Methods 0.000 title claims abstract description 90
- 239000002893 slag Substances 0.000 title claims abstract description 23
- 238000007599 discharging Methods 0.000 title claims description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 87
- 239000013049 sediment Substances 0.000 abstract description 8
- 238000010276 construction Methods 0.000 abstract description 7
- 238000000034 method Methods 0.000 abstract description 6
- 230000000903 blocking effect Effects 0.000 abstract description 4
- 238000012423 maintenance Methods 0.000 abstract description 4
- 239000004576 sand Substances 0.000 abstract description 4
- 239000002689 soil Substances 0.000 abstract description 4
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000002002 slurry Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
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Abstract
The utility model provides a drilling tool of sediment is arranged simultaneously in drilling for solve arbitrary direction drilling and arrange the problem of sediment simultaneously. A high-pressure water inlet pipe is arranged on the shell of the drilling tool; the outer pipe is connected with the outer drill bit through an outer drill bit connecting piece, and the inner pipe is connected with the inner drill bit through a conical inner drill bit connecting piece; a high-pressure water cavity is formed between the outer pipe and the inner pipe as well as between the outer pipe and the conical inner drill bit connecting piece; the high-pressure water cavity is communicated with a high-pressure water inlet pipe; the conical inner drill bit connecting piece is provided with a high-pressure water through hole, a conical gap which is inclined to the inner pipe and is opposite to the drill bit is arranged between the conical inner drill bit connecting piece and the inner drill bit, and the high-pressure water through hole is communicated with the high-pressure water cavity and the conical gap. The utility model can drill holes in any direction and position, and simultaneously discharge slag from the inside of the drilling tool, so that the laying of pipelines outside the drilling tool is not influenced, the slag discharge process does not influence the construction, and the drilling accidents caused by the collapse of the inner wall when drilling under geological conditions such as sand, soft soil and the like are avoided; meanwhile, the drill bit is prevented from blocking the hole, and the equipment maintenance rate is reduced.
Description
Technical Field
The utility model belongs to building engineering and drilling tool equipment field, in particular to drilling tool of sediment is arranged simultaneously in drilling.
Background
Drilling technology equipment is an important component of the drilling project, changes along with the development of drilling methods and drilling processes, and directly influences the progress of the drilling technology level. The drilling technical equipment mainly refers to mechanical equipment and devices directly used for drilling construction, and comprises a power machine, a drilling machine, a mud pump, a drilling tower and the like, wherein the drilling machine is core equipment. At present, the most widely applied drilling machine type in China is mainly a vertical shaft type core drilling machine which mainly constructs ground holes, although the machine type has low manufacturing cost and simple operation, the slag discharge is carried out outside a drilling tool, so that the drilling direction is very limited, and the slag discharge is carried out at the drilling position outside the drilling tool, so that the inner wall of the hole is easy to collapse, and the potential safety hazard is brought; when the slag discharge effect is not ideal, the phenomenon of hole blockage of the drill hole can be caused, and the drilling accident is caused.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the embodiment of the utility model provides a drilling tool for drilling and simultaneously discharging slag, which enables drilling equipment to randomly adjust direction and position during drilling, discharges slag from the inside of the drilling tool during drilling, does not affect laying a pipeline outside the drilling tool, does not affect construction during slag discharging, and avoids drilling accidents caused by the collapse of the inner wall during drilling under geological conditions such as sand, soft soil and the like; meanwhile, the drill bit is prevented from blocking the hole, and the equipment maintenance rate is reduced.
In order to achieve the above object, the embodiment of the present invention adopts the following technical solutions:
the embodiment of the utility model provides a drilling tool for drilling and simultaneously discharging slag, which comprises an external connecting piece and a shell, and also comprises a high-pressure water inlet pipe, an outer drill bit connecting piece, an outer drill bit, an inner pipe, a conical inner drill bit connecting piece and an inner drill bit, wherein,
the shell is provided with a high-pressure water inlet pipe, and an annular groove is formed in the end head of the inner side of the high-pressure water inlet pipe;
the outer pipe is connected with the outer drill bit through the outer drill bit connecting piece, and the inner pipe is connected with the inner drill bit through the conical inner drill bit connecting piece; a high-pressure water cavity is formed among the outer pipe, the inner pipe and the conical inner drill bit connecting piece;
the high-pressure water cavity is communicated with the high-pressure water inlet pipe through an annular groove;
the conical inner drill bit connecting piece is provided with a high-pressure water through hole, a conical gap which is inclined to the inner part of the inner pipe and is opposite to the drill bit is formed between the conical inner drill bit connecting piece and the inner drill bit, and the high-pressure water through hole is communicated with the high-pressure water cavity and the conical gap;
and high-pressure water flows into the annular groove from the high-pressure water inlet pipe, and the water flows into the high-pressure water cavity from the annular groove in an annular manner, then flows into the conical gap through the high-pressure water through hole on the conical inner drill bit connecting piece, is sprayed out from the conical gap, enters the inner cavity of the inner pipe, and forms negative pressure opposite to the drill bit.
Preferably, the high-pressure water inlet pipes are at least two and are uniformly distributed around the central shaft of the shell.
Preferably, the number of the high-pressure water through holes on the conical inner drill bit connecting piece is at least two, and the high-pressure water through holes are uniformly distributed around the central shaft of the conical inner drill bit connecting piece.
Preferably, the conical inner drill connecting piece is provided with a groove at the inner side of the high-pressure water through hole to form a water storage tank.
Preferably, the external connector comprises a flange and a drive mechanism connector, the flange connecting the housing and the drive mechanism connector.
Preferably, a conical gap which is formed in the inclined inner pipe with an angle of 2-10 degrees and is opposite to the drill bit is formed between the conical inner drill bit connecting piece and the inner drill bit.
The utility model discloses following beneficial effect has:
the embodiment of the utility model provides a drilling tool of sediment is arranged in drilling simultaneously, the drilling tool includes external connecting piece, shell, its characterized in that still includes high pressure inlet tube, outer drill bit connecting piece, outer drill bit, inner tube, toper inner drill bit connecting piece, interior drill bit, wherein, the shell is provided with the high pressure inlet tube, and has annular groove in the inboard end of high pressure inlet tube; the outer pipe is connected with the outer drill bit through the outer drill bit connecting piece, and the inner pipe is connected with the inner drill bit through the conical inner drill bit connecting piece; a high-pressure water cavity is formed among the outer pipe, the inner pipe and the conical inner drill bit connecting piece; the high-pressure water cavity is communicated with the high-pressure water inlet pipe through an annular groove; the conical inner drill bit connecting piece is provided with a high-pressure water through hole, a conical gap which is inclined to the inner part of the inner pipe and is opposite to the drill bit is formed between the conical inner drill bit connecting piece and the inner drill bit, and the high-pressure water through hole is communicated with the high-pressure water cavity and the conical gap; and high-pressure water flows into the annular groove from the high-pressure water inlet pipe, and the water flows into the high-pressure water cavity from the annular groove in an annular manner, then flows into the conical gap through the high-pressure water through hole on the conical inner drill bit connecting piece, is sprayed out from the conical gap, enters the inner cavity of the inner pipe, and forms negative pressure opposite to the drill bit. The embodiment of the utility model provides a make drilling equipment can adjust direction, position wantonly when drilling, discharge the sediment from the inside of drilling tool when drilling, do not influence and lay the pipeline outside the drilling tool, the slag removal process can not influence the construction, the inner wall that appears when avoiding drilling under geological conditions such as sand, weak soil, whetstone collapses and falls, causes the drilling accident; meanwhile, the drill bit is prevented from blocking the hole, and the equipment maintenance rate is reduced.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a view of a drilling tool structure for drilling and deslagging;
FIG. 2 is a detail view of section A of FIG. 1;
FIG. 3 is a sectional view taken along line A-A' of FIG. 1;
FIG. 4 is a cross-sectional view of the bit connector of FIG. 1 taken along line B-B'.
Description of reference numerals:
1. an external connection; 11. a flange plate; 12. a drive mechanism connection; 2. a housing; 3. a high-pressure water inlet pipe; 31. a seal member; 32. an annular groove; 4. an outer tube; 5. an outer bit connector; 6. an outer drill bit; 7. an inner tube; 8. a conical inner bit connector; 81. a high-pressure water through hole; 82. a tapered gap; 83. a water storage tank; 9. an inner drill bit; 10. a high pressure water chamber.
Detailed Description
In order to make the technical solution of the present invention better understood by those skilled in the art, the present invention will be described in detail with reference to the accompanying drawings and specific embodiments.
The embodiment provides a drilling tool for drilling and deslagging simultaneously, as shown in fig. 1 to 4, the drilling tool comprises an external connecting piece 1 and a shell 2, and further comprises a high-pressure water inlet pipe 3, an outer pipe 4, an outer drill connecting piece 5, an outer drill 6, an inner pipe 7, a conical inner drill connecting piece 8 and an inner drill 9, wherein the shell 2 is provided with the high-pressure water inlet pipe 3, and an annular groove 32 is formed in the end head of the inner side of the high-pressure water inlet pipe 3; the outer pipe 4 is connected with the outer drill bit 6 through the outer drill bit connecting piece 5, and the inner pipe 7 is connected with the inner drill bit 9 through the conical inner drill bit connecting piece 8; a high-pressure water cavity 10 is formed between the outer pipe 4, the inner pipe 7 and the conical inner drill bit connecting piece 8; the high-pressure water cavity 10 is communicated with the high-pressure water inlet pipe 3; be equipped with high pressure water hole 81 on the interior drill bit connecting piece 8 of toper, in the toper drill bit connecting piece 8 with interior drill bit 9 between have the slant inner tube 7 inside and with the reverse toper gap 82 of drill bit, high pressure water hole 81 intercommunication high pressure water cavity 10 with toper gap 82, drill bit connecting piece 8 has a recess in the toper in the inboard of high pressure water hole position department, forms aqua storage tank 83. High-pressure water flows into the high-pressure water cavity 10 from the high-pressure water inlet pipe 3 and then flows into the conical gap 82 through the high-pressure water through holes 81 on the conical inner drill connecting piece 8.
Four high-pressure water inlet pipes 3 are uniformly distributed around the central shaft of the shell 2; sixteen high-pressure water through holes 81 on the conical inner drill connecting piece 8 are uniformly distributed around the central shaft of the conical inner drill connecting piece 8; the joint of the high-pressure water inlet pipe 3 and the shell 2 is sealed by a sealing element 31; the external connecting piece 1 comprises a flange plate 11 and a driving structure connecting piece 12, and the flange plate 11 is connected with the shell 2 and the driving structure connecting piece 12; and a conical gap 82 which is arranged in the inclined inner tube 7 with an angle of 2-10 degrees and is opposite to the drill bit is arranged between the conical inner drill bit connecting piece 8 and the inner drill bit 9. High-pressure water flows into the annular groove 32 from the high-pressure water inlet pipe 3, and the water flows into the high-pressure water chamber 10 from the annular groove 32 in an annular shape, then flows into the conical gap 82 through the high-pressure water through holes 81 in the conical inner drill connecting piece 8, and is ejected from the conical gap 82. When water is sprayed out of the conical gap, a conical high-pressure water column is formed, and negative pressure opposite to the drill bit is formed inside the conical water column under the high-speed flowing of the water. The negative pressure sucks the slag drilled by the inner drill bit connected with the inner cavity of the inner pipe into the inner cavity of the inner pipe, and the sucked slag is mixed with high-pressure water to form slurry which is discharged through the inner cavity of the inner pipe, so that the aim of drilling and deslagging is fulfilled.
Because the high-pressure water cavity is formed between the inner pipe and the outer pipe, and does not pass through a conveying pipeline, the ultrahigh pressure can be realized and reaches 40MPa or above; the drilling slag and the inner cavity of the inner pipe are discharged in a slurry form, so that the influence on the drilling hole when the drilling slag is discharged from the outside of the drilling tool is prevented; meanwhile, the discharge of the drilling slag is controllable, the slag discharge process cannot influence the construction, and the drilling at any angle can be realized. For example, when in tunnel engineering operation, need carry out the drilling operation to the tunnel top, adopt the drilling tool of this embodiment drilling sediment simultaneously this moment, normal operation, drilling and sediment are gone on simultaneously, can not influence drilling construction because of sediment problem.
According to the technical scheme, the drilling tool capable of drilling and simultaneously discharging slag is provided, so that the direction and the position of drilling equipment can be adjusted at will during drilling, slag is discharged from the inside of the drilling tool during drilling, pipelines laid outside the drilling tool are not influenced, the slag discharging process does not influence construction, and drilling accidents caused by the fact that inner walls collapse during drilling under geological conditions such as sand, soft soil and the like are avoided; meanwhile, the drill bit is prevented from blocking the hole, and the equipment maintenance rate is reduced.
The embodiments of the present invention have been described in detail through the embodiments, but the description is only exemplary of the embodiments of the present invention and should not be considered as limiting the scope of the embodiments of the present invention. The scope of protection of the embodiments of the present invention is defined by the claims. All utilize technical scheme of the embodiment of the utility model, or technical staff in the field is in the utility model discloses under embodiment technical scheme's the inspiration the utility model discloses in the essence and the protection scope of the embodiment, design similar technical scheme and reach above-mentioned technological effect, perhaps to the impartial change and improvement etc. that the application scope was made, all should still belong to within the protection scope is covered to the patent of the embodiment of the utility model.
Claims (6)
1. A drilling tool for drilling and deslagging simultaneously comprises an external connecting piece and a shell, and is characterized by further comprising a high-pressure water inlet pipe, an outer drill bit connecting piece, an outer drill bit, an inner pipe, a conical inner drill bit connecting piece and an inner drill bit, wherein,
the shell is provided with a high-pressure water inlet pipe, and an annular groove is formed in the end head of the inner side of the high-pressure water inlet pipe;
the outer pipe is connected with the outer drill bit through the outer drill bit connecting piece, and the inner pipe is connected with the inner drill bit through the conical inner drill bit connecting piece;
a high-pressure water cavity is formed among the outer pipe, the inner pipe and the conical inner drill bit connecting piece;
the high-pressure water cavity is communicated with the high-pressure water inlet pipe through an annular groove;
the conical inner drill bit connecting piece is provided with a high-pressure water through hole, a conical gap which is inclined to the inner part of the inner pipe and is opposite to the drill bit is formed between the conical inner drill bit connecting piece and the inner drill bit, and the high-pressure water through hole is communicated with the high-pressure water cavity and the conical gap;
and high-pressure water flows into the annular groove from the high-pressure water inlet pipe, and the water flows into the high-pressure water cavity from the annular groove in an annular manner, then flows into the conical gap through the high-pressure water through hole on the conical inner drill bit connecting piece, is sprayed out from the conical gap, enters the inner cavity of the inner pipe, and forms negative pressure opposite to the drill bit.
2. The drilling tool for simultaneous drilling and deslagging of claim 1 wherein said at least two high pressure inlet conduits are evenly distributed about said central axis of said housing.
3. The drilling tool for drilling and simultaneously discharging slag as claimed in claim 1, wherein the number of the high pressure water through holes on the conical inner bit connecting member is at least two, and the high pressure water through holes are uniformly distributed around the central axis of the conical inner bit connecting member.
4. The drilling tool for drilling and simultaneously discharging slag as claimed in claim 1, wherein the conical inner bit connecting member has a groove at an inner side of the high pressure water passing hole to form a water storage tank.
5. The drilling tool of claim 1, wherein the external connection comprises a flange and a drive mechanism connection, the flange connecting the housing and the drive mechanism connection.
6. The drilling tool for drilling and deslagging simultaneously as claimed in claim 1, wherein a conical gap which is inclined to the inside of the inner pipe and is opposite to the drill bit and has an angle of 2-10 degrees is arranged between the conical inner drill bit connecting piece and the inner drill bit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021395308.8U CN212743869U (en) | 2020-07-15 | 2020-07-15 | Drilling tool capable of drilling and simultaneously discharging slag |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021395308.8U CN212743869U (en) | 2020-07-15 | 2020-07-15 | Drilling tool capable of drilling and simultaneously discharging slag |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212743869U true CN212743869U (en) | 2021-03-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021395308.8U Expired - Fee Related CN212743869U (en) | 2020-07-15 | 2020-07-15 | Drilling tool capable of drilling and simultaneously discharging slag |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212743869U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111677440A (en) * | 2020-07-15 | 2020-09-18 | 北京光大锐拓工程技术有限公司 | Drilling tool and method for drilling and deslagging simultaneously |
-
2020
- 2020-07-15 CN CN202021395308.8U patent/CN212743869U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111677440A (en) * | 2020-07-15 | 2020-09-18 | 北京光大锐拓工程技术有限公司 | Drilling tool and method for drilling and deslagging simultaneously |
| CN111677440B (en) * | 2020-07-15 | 2024-05-17 | 北京光大锐拓工程技术有限公司 | Drilling tool and method for drilling and deslagging simultaneously |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210319 |