CN213205561U - Measure drilling equipment of ground permeability - Google Patents
Measure drilling equipment of ground permeability Download PDFInfo
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- CN213205561U CN213205561U CN202022115627.5U CN202022115627U CN213205561U CN 213205561 U CN213205561 U CN 213205561U CN 202022115627 U CN202022115627 U CN 202022115627U CN 213205561 U CN213205561 U CN 213205561U
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- drill bit
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- rod
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Abstract
The utility model provides a drilling device for measuring rock-soil permeability, which comprises a drill rod, wherein a drill bit drilling arm is sleeved at the lower end of the drill rod, and a spiral drill bit is arranged at the lower end of the drill bit drilling arm; the drill rod, the drill bit drilling arm and the spiral drill bit are all hollow and serve as water flow channels, and nozzles communicated with the water flow channels are arranged on the outer side face of the spiral drill bit. The utility model relates to a possess the drill bit device that erodees the pore wall automatically when drilling, its simple structure has set up the anger of taking the nozzle on the drill bit, can erode the washing to the pore wall when drilling, and when the drill bit rose, can wash the pore wall once more, avoided drilling granule dust to bond and solidify on the pore wall, avoid later stage probe to transfer. In addition, an auxiliary port is also designed on the drill rod, so that the flushing cleanliness can be improved.
Description
Technical Field
The utility model relates to geotechnical engineering technical field, in particular to measure drilling equipment of geotechnical permeability.
Background
When measuring the rock soil, the permeability is an index for evaluating the rock soil structure, drilling is needed, and a measuring probe enters the drilling to measure the amount of the water permeating in each layer of the hole wall.
And after drilling, the rock soil particles attached to the hole wall can be cold-bonded on the hole wall, so that a fresh wall surface of the hole wall is shielded, and later-stage probe lowering measurement is inconvenient.
The drill bit has a complex structure and high cost.
SUMMERY OF THE UTILITY MODEL
For solving the shortcomings of the prior art, the utility model provides a drilling device for measuring the permeability of rock soil.
The utility model provides a technical scheme is: a drilling device for measuring rock-soil permeability comprises a drill rod, wherein a drill bit drilling arm is sleeved at the lower end of the drill rod, and a spiral drill bit is arranged at the lower end of the drill bit drilling arm; the drill rod, the drill bit drilling arm and the spiral drill bit are all hollow and serve as water flow channels, and nozzles communicated with the water flow channels are arranged on the outer side face of the spiral drill bit.
The utility model relates to a possess the drill bit device that erodees the pore wall automatically when drilling, its simple structure has set up the anger of taking the nozzle on the drill bit, can erode the washing to the pore wall when drilling, and when the drill bit rose, can wash the pore wall once more, avoided drilling granule dust to bond and solidify on the pore wall, avoid later stage probe to transfer. In addition, an auxiliary port is also designed on the drill rod, so that the flushing cleanliness can be improved.
As shown in the attached figure 1, the drilling device for measuring the permeability of the rock soil comprises a drill rod, wherein the drill rod is arranged on drilling machine equipment and is driven by hydraulic equipment of a drilling machine to rotate, lift and drive a drill bit to drill. The lower end of the drill rod is sleeved with a drill bit drilling arm, and the lower end of the drill bit drilling arm is integrally provided with a spiral drill bit; the drill rod, the drill bit drilling arm and the spiral drill bit are hollow and serve as water flow channels, a water pump on the drilling machine is connected into the drill rod and sequentially flows into the drill bit drilling arm and the spiral drill bit, nozzles communicated with the water flow channels are arranged on the outer side face of the spiral drill bit, and water can be sprayed to wash the hole wall during drilling.
Furthermore, a groove is arranged on the outer side surface of the spiral drill bit, and the nozzle is positioned in the groove.
The groove is integrally processed on the outer side surface of the spiral drill bit, a mounting threaded hole is drilled, and the nozzle is positioned in the threaded hole.
Furthermore, at least two nozzles are uniformly arranged on the outer side surface of the spiral drill at the periphery.
In order to improve the efficiency, at least two nozzles are uniformly arranged on the outer side surface of the spiral drill bit on the circumference. Three are provided here.
Furthermore, a lantern ring is arranged on a main body at the lower part of the drill rod, and an auxiliary nozzle is arranged between the lantern ring and the drill rod.
The lantern ring suit is in drilling rod lower part main part, is equipped with supplementary spout between lantern ring and the drilling rod, is a through-hole that link up, can assist the jet stream and erode the pore wall, dilutes drilling debris.
Furthermore, a ribbed plate is arranged between the drill bit drilling arm and the spiral drill bit, and auxiliary drilling teeth are arranged on the ribbed plate; and a reinforcing plate is arranged between the drill arm and the spiral drill.
In order to facilitate easy lifting of the drill bit and avoid the situation that residues block the drill bit from lifting during lifting, three rib plates which are circumferentially arranged are arranged between the drill bit arm and the spiral drill bit and provided with auxiliary drill teeth, and resistance can be reduced by reversely drilling during lifting; and a reinforcing plate is arranged between the drill bit boom and the spiral drill bit and is a rib plate for reinforcing the structural stability.
Furthermore, the bottom of the spiral drill bit is provided with a hard tapping drill tooth. The tapping drill teeth are rib plates, and are of conical tapping drill structures when integrally rotating.
The utility model has the beneficial technical effects that: the utility model relates to a possess the drill bit device that erodees the pore wall automatically when drilling, its simple structure has set up the anger of taking the nozzle on the drill bit, can erode the washing to the pore wall when drilling, and when the drill bit rose, can wash the pore wall once more, avoided drilling granule dust to bond and solidify on the pore wall, avoid later stage probe to transfer. In addition, an auxiliary port is also designed on the drill rod, so that the flushing cleanliness can be improved.
Drawings
FIG. 1 is a schematic sectional view of the present invention;
in the figure, 1, a drill rod, 2, a lantern ring, 3, an auxiliary nozzle, 4, a drill bit and drill arm, 5, a reinforcing plate, 6, a rib plate, 7, a spiral drill bit, 8, a hard-tapping drill tooth, 9 and a nozzle.
Detailed Description
The invention will be further described with reference to the accompanying drawings and specific embodiments.
In the description of the present invention, the relative terms "upper", "lower", "left", "right", "inner", "outer" and other position indication positions are only based on the position shown in the drawings to simplify the description of the present invention, but not the position and structure that the components must have, and thus, the limitation of the present invention cannot be understood.
Example 1
A drilling device for measuring rock-soil permeability comprises a drill rod 1, wherein a drill bit drilling arm 4 is sleeved at the lower end of the drill rod 1, and a spiral drill bit 7 is arranged at the lower end of the drill bit drilling arm 4; the drill rod 1, the drill bit arm 4 and the spiral drill bit 7 are hollow and used as water flow channels, and nozzles 9 communicated with the water flow channels are arranged on the outer side surfaces of the spiral drill bit 7.
The utility model relates to a possess the drill bit device that erodees the pore wall automatically when drilling, its simple structure has set up the anger of taking nozzle 9 on the drill bit, can erode the washing to the pore wall when drilling, and when the drill bit rose, can wash the pore wall once more, avoids drilling granule dust to bond and solidifies on the pore wall, avoids the later stage probe to transfer. In addition, an auxiliary port is also designed on the drill rod, so that the flushing cleanliness can be improved.
As shown in the attached figure 1, the drilling device for measuring the permeability of the rock soil comprises a drill rod 1, wherein the drill rod 1 is arranged on drilling machine equipment and is driven by hydraulic equipment of a drilling machine to rotate, lift and drive a drill bit to drill. The lower end of the drill rod 1 is sleeved with a drill bit drilling arm 4, and the lower end of the drill bit drilling arm 4 is integrally provided with a spiral drill bit 7; the drill rod 1, the drill bit drilling arm 4 and the spiral drill bit 7 are hollow and serve as water flow channels, a water pump on the drilling machine is connected into the drill rod 1 and sequentially flows into the drill bit drilling arm 4 and the spiral drill bit 7, a nozzle 9 communicated with the water flow channels is arranged on the outer side face of the spiral drill bit 7, and water can be sprayed to wash the hole wall during drilling.
Furthermore, a groove is arranged on the outer side surface of the spiral drill 7, and the nozzle 9 is positioned in the groove.
The groove is integrally processed on the outer side surface of the spiral drill bit 7, a mounting threaded hole is drilled, and the nozzle 9 is positioned in the threaded hole.
Furthermore, at least two nozzles 9 are uniformly arranged on the outer side surface of the auger bit 7 along the circumference.
In order to improve the efficiency, at least two nozzles 9 are uniformly arranged on the outer side surface of the auger bit 7. Three are provided here.
Furthermore, a lantern ring 2 is arranged on the main body of the lower part of the drill rod 1, and an auxiliary nozzle 3 is arranged between the lantern ring 2 and the drill rod 1.
The lantern ring 2 suit is in drilling rod 1 lower part main part, is equipped with supplementary spout 3 between lantern ring 2 and the drilling rod 1, for a through-hole that link up, can assist jet stream and erode the pore wall, dilutes drilling debris.
Furthermore, a ribbed plate 6 is arranged between the drill bit boom 4 and the spiral drill bit 7, and auxiliary drill teeth are arranged on the ribbed plate; between the drill boom 4 and the auger bit 7 is also a reinforcing plate 5.
In order to facilitate the easy lifting of the drill bit and avoid the situation that the drill bit is prevented from lifting by residues during lifting, three rib plates 6 which are circumferentially arranged are arranged between the drill bit arm 4 and the spiral drill bit 7, auxiliary drill teeth are arranged on the rib plates, and resistance can be reduced by reversely drilling during lifting; and a reinforcing plate 5 is arranged between the drill boom 4 and the spiral drill 7 and is a rib plate for reinforcing the structural stability.
Furthermore, the bottom of the spiral drill bit 7 is provided with a hard tapping drill tooth 8. The solid attacking drill teeth 8 are rib plates and are of conical attacking drill structures when integrally rotating.
The foregoing is a preferred embodiment of the present invention, and it should be understood that those skilled in the art can derive the related technical solutions through logic analysis, reasoning or experiment based on the present invention without creative efforts, and therefore, these related technical solutions should be within the protection scope of the present claims.
Claims (6)
1. The utility model provides a measure drilling equipment of ground permeability, includes drilling rod (1), and drilling rod (1) lower extreme cover is equipped with drill bit drilling arm (4), its characterized in that: the lower end of the drill bit drilling arm (4) is provided with a spiral drill bit (7); the drill rod (1), the drill bit drilling arm (4) and the spiral drill bit (7) are all hollow and serve as water flow channels, and nozzles (9) communicated with the water flow channels are arranged on the outer side faces of the spiral drill bit (7).
2. The drilling device for measuring permeability of rock and soil according to claim 1, wherein: the outer side surface of the spiral drill bit (7) is provided with a groove, and the nozzle (9) is positioned in the groove.
3. The drilling device for measuring permeability of rock and soil according to claim 2, wherein: at least two nozzles (9) are uniformly arranged on the outer side surface of the spiral drill bit (7) at the periphery.
4. The drilling device for measuring permeability of rock and soil according to claim 3, wherein: a lantern ring (2) is arranged on the main body at the lower part of the drill rod (1), and an auxiliary nozzle (3) is arranged between the lantern ring (2) and the drill rod (1).
5. The drilling device for measuring permeability of rock and soil according to claim 4, wherein: a ribbed plate (6) is arranged between the drill bit boom (4) and the spiral drill bit (7), and auxiliary drill teeth are arranged on the ribbed plate; and a reinforcing plate (5) is arranged between the drill bit arm (4) and the spiral drill bit (7).
6. The drilling device for measuring permeability of rock and soil according to claim 5, wherein: the bottom of the spiral drill bit (7) is provided with a hard tapping drill tooth (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022115627.5U CN213205561U (en) | 2020-09-23 | 2020-09-23 | Measure drilling equipment of ground permeability |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022115627.5U CN213205561U (en) | 2020-09-23 | 2020-09-23 | Measure drilling equipment of ground permeability |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213205561U true CN213205561U (en) | 2021-05-14 |
Family
ID=75823397
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022115627.5U Expired - Fee Related CN213205561U (en) | 2020-09-23 | 2020-09-23 | Measure drilling equipment of ground permeability |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213205561U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114594037A (en) * | 2022-03-30 | 2022-06-07 | 中国水利水电科学研究院 | Method for measuring permeability coefficient of soil material |
-
2020
- 2020-09-23 CN CN202022115627.5U patent/CN213205561U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114594037A (en) * | 2022-03-30 | 2022-06-07 | 中国水利水电科学研究院 | Method for measuring permeability coefficient of soil material |
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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: 20210514 Termination date: 20210923 |