CN112145070A - Down-the-hole hammer ring cutting drill and use method thereof - Google Patents
Down-the-hole hammer ring cutting drill and use method thereof Download PDFInfo
- Publication number
- CN112145070A CN112145070A CN202010934386.9A CN202010934386A CN112145070A CN 112145070 A CN112145070 A CN 112145070A CN 202010934386 A CN202010934386 A CN 202010934386A CN 112145070 A CN112145070 A CN 112145070A
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- hammer
- hole
- drilling
- guide frame
- mother
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- 238000005520 cutting process Methods 0.000 title claims abstract description 35
- 238000000034 method Methods 0.000 title claims abstract description 14
- 239000002002 slurry Substances 0.000 claims abstract description 61
- 238000005553 drilling Methods 0.000 claims abstract description 53
- 238000009826 distribution Methods 0.000 claims abstract description 10
- 239000007789 gas Substances 0.000 claims description 26
- 239000011435 rock Substances 0.000 claims description 19
- 239000002893 slag Substances 0.000 claims description 12
- 239000002912 waste gas Substances 0.000 claims description 10
- 239000004575 stone Substances 0.000 claims description 6
- 230000009471 action Effects 0.000 claims description 5
- 239000007788 liquid Substances 0.000 claims description 3
- 239000002689 soil Substances 0.000 claims description 3
- 238000010276 construction Methods 0.000 abstract description 10
- 238000004519 manufacturing process Methods 0.000 abstract description 9
- 238000012423 maintenance Methods 0.000 abstract description 6
- 239000000725 suspension Substances 0.000 abstract 1
- 230000007547 defect Effects 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000011440 grout Substances 0.000 description 1
- 239000010720 hydraulic oil Substances 0.000 description 1
- 230000003116 impacting effect Effects 0.000 description 1
- 238000009527 percussion Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
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
- E21B4/00—Drives for drilling, used in the borehole
- E21B4/06—Down-hole impacting means, e.g. hammers
- E21B4/12—Electrically operated hammers
-
- 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
- E21B19/00—Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables
- E21B19/02—Rod or cable suspensions
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Earth Drilling (AREA)
Abstract
The invention discloses a down-the-hole hammer ring cutting drill. The device comprises a primary hammer, a secondary hammer, a gas collecting hood, a push-pull device, a guide frame and a high-pressure medium pipeline or cable; a crane suspension guide frame; the mother hammer and the guide frame are both in circular arc structures; the sub hammer is a down-the-hole hammer; the secondary hammer is fixed on the primary hammer; the lower part of the mother hammer is provided with a gas collecting hood; the lower end of the slurry discharge pipe is communicated with the gas collecting hood, and the upper end of the slurry discharge pipe is upwards connected with a ground slurry treatment system; the high-pressure medium pipeline or the cable passes through the guide frame and enters the gas-liquid-electricity distribution pipeline on the mother hammer. The invention has the advantages of light and simple equipment, universal matched cranes and air compressors, no need of special manufacture, low manufacturing cost which is greatly lower than that of other drilling machines, low construction cost, wear-resistant drilling tools, easy maintenance, easy construction of drilling holes with larger diameter than that of other drilling machines and higher utilization rate of matched equipment. The invention also discloses a using method of the down-the-hole hammer ring cutting drill.
Description
Technical Field
The invention relates to the technical field of piling machinery, in particular to a ring cutting drilling machine for a down-the-hole hammer. The invention also discloses a using method of the down-the-hole hammer ring cutting drill.
Background
The existing foundation drilling machinery mainly comprises a rotary drilling rig, a cluster down-the-hole hammer and a percussion drill, and has the defects of high equipment manufacturing cost, low rock drilling efficiency, low speed, large drilling tool loss and small construction drilling diameter.
Therefore, there is a need to develop a drilling machine with reduced manufacturing cost, high rock drilling efficiency, low drilling tool loss, and large construction bore diameter.
Disclosure of Invention
The invention aims to provide a down-the-hole hammer ring cutting drilling machine, which is a foundation drilling machine, and has the advantages of simple equipment, low manufacturing cost, low construction energy consumption, high hard rock drilling efficiency, wear resistance of a drilling tool, easiness in maintenance, low cost and easiness in construction of larger-diameter drilling holes; the defects of high manufacturing cost, high maintenance cost, low hard rock efficacy and small diameter in the prior art are overcome.
The second purpose of the invention is to provide a using method of the down-the-hole hammer ring cutting drill, and the construction cost is low.
In order to achieve the first object of the present invention, the technical solution of the present invention is: a kind of down-the-hole hammer ring cutting rig, characterized by: comprises a mother hammer, a son hammer, a gas collecting hood, a push-pull device, a guide frame, a high-pressure medium pipeline or a cable and a slurry discharge pipe;
the guide frame is suspended by the crane;
the mother hammer and the guide frame are both in circular arc structures; the number of the female hammers and the number of the guide frames are multiple, and the female hammers and the guide frames are arranged in a disconnected mode;
the sub hammer is a down-the-hole hammer; the secondary hammer is fixed on the primary hammer;
a gas collecting hood is arranged at the lower part of the mother hammer;
the lower end of the slurry discharge pipe is communicated with the gas collecting hood, and the upper end of the slurry discharge pipe is upwards connected with a ground slurry treatment system;
and the high-pressure medium pipeline or the cable penetrates through the guide frame and enters a gas-liquid-electricity distribution pipeline on the mother hammer.
In the above technical solution, the sub-hammers are arranged in the gas collecting channel;
the sub-hammers are arranged at intervals.
In the technical scheme, the slurry channel is arranged in the mother hammer and the guide frame; the slurry channel is connected with the slurry discharge pipe.
In the technical scheme, when the drilling hole is a wet hole, the exhaust port is arranged at the middle upper part of the sub-hammer and is higher than the lower opening of the gas-collecting hood;
when the drilling hole is a waterless hole, the exhaust port is arranged at the bottom of the sub-hammer or the air is used for reverse circulation to remove slag.
In the technical scheme, the female hammer and the guide frame are movably connected through a push-pull device.
In the above technical solution, the plurality of the mother hammers are movably combined to form a circular ring structure.
In the above technical scheme, the azimuth indicator is installed on the mother hammer.
In order to achieve the second object of the present invention, the technical solution of the present invention is: the using method of the down-the-hole hammer ring cutting drill is characterized by comprising the following steps: comprises the following steps of (a) carrying out,
the method comprises the following steps: assembling;
the lower end of the slurry discharge pipe is communicated with the gas collecting hood, and the upper end of the slurry discharge pipe is upwards connected with a ground slurry treatment system;
the high-pressure medium pipeline or the cable penetrates through the guide frame and enters a gas-liquid-electricity distribution pipeline on the mother hammer;
connecting the slurry channel with the slurry discharge pipe;
step two: hoisting;
suspending the guide frame to a drilling station through a crane;
step three: drilling;
a high-pressure medium pipeline or a cable enters a gas-liquid-electricity distribution pipeline on the main hammer to drive the sub-hammers to impact rock drilling, and the sub-hammers discharge waste gas;
the push-pull device pushes and pulls the primary hammer and the guide frame to enable the primary hammer to be continuously separated or closed on the circumference, so that the down-the-hole hammer can cut and drill the foundation ring to form a core;
a rock core formed after the foundation ring cutting is pushed off by the lateral thrust of the coring barrel and then is clamped, and the rock core is lifted out of the ground by a crane; the broken block-shaped soil and stone are grabbed out of the drill hole by a grab bucket of the crane.
In the technical scheme, in the third step, the exhaust gas discharged by the sub-hammer is mixed with the slurry in the gas collecting hood, and under the action of the pressure of the slurry, gas lift reverse circulation slag removal is formed and is upwards discharged to a ground slurry treatment system through the slurry channel and the slurry discharge pipe.
In the technical scheme, in the third step, when the covering layer is drilled, the down-the-hole hammer girth cutting drilling machine is used for drilling in sections, a grab bucket is used for grabbing earth and stones to form a drill hole under the state that the down-the-hole hammer girth cutting drilling machine protects the wall, or a drill wing is arranged on the mother hammer, the full section is drilled into the foundation to form drill slag, and the drill hole is formed by deslagging through a mud circulation system.
The invention has the following advantages:
(1) the equipment is simple, the matched crane and the air compressor are all general equipment, special manufacturing is not needed, and the utilization rate of the matched equipment is higher; the manufacturing cost of the invention is greatly lower than that of other various drilling machines, the drilling tool is wear-resistant, the maintenance is simple, the cost is low, and the drilling efficiency of hard rock is high;
(2) the invention is easy to construct the drilling holes with larger diameter than other drilling machines, has low construction cost, wear-resistant drilling tools and easy maintenance, and can greatly reduce the engineering cost;
(3) the matched crane and the air compressor are all universal equipment, can be used in other engineering fields, and improve the utilization rate of the equipment.
Drawings
FIG. 1 is a schematic view of the structure of the present invention.
Fig. 2 is a schematic structural diagram of the present invention in which the sub-hammer is installed at the bottom of the main hammer, the gas-collecting hood is disposed at the lower part of the main hammer, and the sub-hammer is disposed in the gas-collecting hood.
Fig. 3 is a schematic structural view of the push-pull device of the present invention pushing and pulling the female hammers and the guide frame to separate or close the female hammers on the circumference to form a ring structure.
In the figure, 1-a mother hammer, 2-a son hammer, 3-a gas collecting hood, 4-a push-pull device, 5-a guide frame, 6-a high-pressure medium pipeline or a cable, 7-a grout discharge pipe and 8-a crane are arranged.
Detailed Description
The embodiments of the present invention will be described in detail with reference to the accompanying drawings, which are not intended to limit the present invention, but are merely exemplary. While the advantages of the invention will be clear and readily understood by the description.
With reference to the accompanying drawings: a down-the-hole hammer ring cutting drill comprises a primary hammer 1, a secondary hammer 2, a gas collecting hood 3, a push-pull device 4, a guide frame 5, a high-pressure medium pipeline or cable 6 and a slurry discharge pipe 7;
the crane 8 suspends the guide frame 5;
the female hammer 1 is connected with the guide frame 5;
the mother hammer 1 and the guide frame 5 are both in circular arc structures; the number of the female hammers 1 is multiple, and the female hammers 1 are arranged in a disconnected mode; the guide frame 5 is provided with a plurality of guide frames; the plurality of guide frames 5 are arranged in a disconnected manner;
the plurality of the sub hammers 2 are arranged at the lower end of the main hammer 1 and are driven by high-voltage medium or electric power; the sub hammer 2 is a down-the-hole hammer; the process of the sub-hammer 2 impacting the rock drilling is carried out randomly and asynchronously, so that the impact force on the drilling hole is reduced, and the hole collapse caused by excessive vibration force is avoided;
the lower part of the mother hammer 1 is provided with a gas collecting hood 3;
the lower end of the slurry discharge pipe 7 is communicated with the gas collecting hood 3, and the upper end of the slurry discharge pipe is upwards connected with a ground slurry treatment system;
and the high-pressure medium pipeline or cable 6 penetrates through the guide frame 5 and enters a gas-liquid electric distribution pipeline on the primary hammer 1 to drive the secondary hammer 2 to impact rock drilling.
Further, the sub-hammers 2 are arranged inside the gas-collecting channel 3;
the sub-hammers 2 are multiple, and the sub-hammers 2 are arranged at intervals.
Further, a slurry channel is provided in the master hammer 1 and the guide frame 5; the slurry channel is connected with the slurry discharge pipe 7; the waste gas discharged by the sub-hammer 2 is mixed with slurry in the gas collecting hood 3, forms gas lift reverse circulation slag removal under the action of slurry pressure, and is discharged into a ground slurry treatment system upwards through the slurry discharge pipe 7; the gas collecting channel 3 has enough height, guarantees not to the mother hammer 1 with discharge waste gas in the drilling beyond the gas collecting channel 3, avoids waste gas to let into in the slotted hole mud and leads to the hole collapsing.
Further, when the drilled hole is a wet hole, an exhaust port is arranged at the middle upper part of the sub-hammer 2, the bottom of the sub-hammer is not provided with the exhaust port, and the exhaust port is higher than the lower opening of the gas collecting hood 3; the gas-collecting hood 3 surrounds the sub-hammer 2, the waste gas discharged by the sub-hammer 2 is mixed with slurry in the gas-collecting hood 3, and under the action of the pressure of the slurry, gas lift reverse circulation slag removal is formed and is upwards discharged into a ground slurry treatment system through the slurry discharge pipe 7;
when the drilling hole is a waterless hole, the exhaust port is arranged at the bottom of the sub-hammer 2, and the waste gas is used for discharging slag.
Further, the female hammer 1 and the guide frame 5 are movably coupled by a push-pull device 4.
Furthermore, the plurality of the female hammers 1 are movably combined to form a circular ring-shaped structure, so that the down-the-hole hammer can cut and drill the rock around the foundation to form a rock core.
Further, an azimuth meter 10 is mounted on the mother hammer 1; an azimuth meter arranged on the primary hammer 1 monitors the azimuth angle of the primary hammer at any time, monitors whether the primary hammer moves or not, and if the primary hammer does not move, the crane 8 is used for lifting to change the direction of the down-the-hole hammer circular cutting drill.
With reference to the accompanying drawings: the using method of the down-the-hole hammer ring cutting drill comprises the following steps,
the method comprises the following steps: assembling;
the lower end of the slurry discharge pipe 7 is communicated with the gas collecting hood 3, and the upper end of the slurry discharge pipe is upwards connected with a ground slurry treatment system;
the high-pressure air or high-pressure water or hydraulic oil pipe or cable 6 passes through the guide frame 5 and enters a gas-liquid-electricity distribution pipeline on the mother hammer 1;
connecting the slurry channel with the slurry discharge pipe 7;
step two: hoisting;
suspending the guide frame 5 to a drilling station by a crane 8;
step three: drilling;
a high-pressure medium pipeline or a cable 6 enters a gas-liquid electricity distribution pipeline on the primary hammer 1 to drive the secondary hammer 2 to impact rock drilling, and the secondary hammer 2 discharges waste gas;
the push-pull device 4 pushes and pulls the primary hammer 1 to enable the primary hammer 1 to be continuously separated or closed on the circumference, so that the down-the-hole hammer can cut and drill the foundation ring to form a rock core;
the rock core formed after the foundation ring cutting is pushed off by the lateral thrust of the coring barrel and then clamped, and is lifted out of the ground by a crane 8; the broken block-shaped soil and stone are grabbed out of the drill hole by a grab bucket of the crane.
The push-pull device 4 shown in fig. 2 and 3 is only an example, and the push-pull device 4 may have other structures with the same functions.
Furthermore, in the third step, the waste gas discharged by the sub-hammer 2 is mixed with the slurry in the gas collecting hood 3, and under the action of the pressure of the slurry, gas lift reverse circulation slag removal is formed and is discharged to a ground slurry treatment system through a slurry channel and the slurry discharge pipe 7.
When a covering layer is drilled, the down-the-hole hammer girth cutting drill is used for drilling in a segmented mode, a grab bucket is used for grabbing earth and stones to form a drill hole under the condition that the down-the-hole hammer girth cutting drill is in a wall protection state, or the main hammer 1 is provided with a drill wing, the whole section of the ground is drilled to form drill slag, and the drill hole is formed by deslagging through a mud circulating system.
In order to more clearly illustrate the advantages of the down-the-hole hammer ring cutting drill and the use method thereof in comparison with the existing arrangement structure, the two technical schemes are compared by workers, and the comparison results are as follows:
as can be seen from the above table, compared with the prior art, the down-the-hole hammer ring cutting drill provided by the invention has the advantages of simple equipment, low manufacturing cost, small energy consumption, high drilling efficiency, simple maintenance, low cost, easiness in construction of large-diameter drilling and lower construction cost.
Other parts not described belong to the prior art.
Claims (10)
1. A kind of down-the-hole hammer ring cutting rig, characterized by: comprises a mother hammer (1), a son hammer (2), a gas-collecting hood (3), a push-pull device (4), a guide frame (5), a high-pressure medium pipeline or cable (6) and a slurry discharge pipe (7);
the guide frame (5) is suspended by a crane (8);
the female hammer (1) is connected with the guide frame (5);
the mother hammer (1) and the guide frame (5) are both in circular arc structures; the number of the mother hammers (1) and the number of the guide frames (5) are multiple;
the sub hammer (2) is a down-the-hole hammer; the sub hammer (2) is fixed on the main hammer (1);
a gas collecting hood (3) is arranged at the lower part of the mother hammer (1);
the lower end of the slurry discharge pipe (7) is communicated with the gas collecting hood (3), and the upper end of the slurry discharge pipe is upwards connected with a ground slurry treatment system;
the high-pressure medium pipeline or the cable (6) penetrates through the guide frame (5) and enters a gas-liquid-electricity distribution pipeline on the mother hammer (1).
2. The down-the-hole hammer ring cutting drill according to claim 1, wherein: the sub-hammers (2) are arranged in the gas-collecting hood (3);
the sub-hammers (2) are arranged in a plurality of intervals, and the sub-hammers (2) are arranged in the interval intervals.
3. The down-the-hole hammer ring cutting drill according to claim 1 or 2, characterized in that: the mud channel is arranged in the mother hammer (1) and the guide frame (5); the slurry channel is connected with the slurry discharge pipe (7).
4. A down-the-hole hammer ring cutting drill according to claim 3, wherein: when the drilling hole is a water-wet hole, the exhaust port is arranged at the middle upper part of the sub-hammer (2) and is higher than the lower opening of the gas-collecting hood (3);
when the drilling hole is a waterless dry hole, the exhaust port is arranged at the bottom of the sub-hammer (2) or the air is used for reverse circulation slag removal.
5. The down-the-hole hammer ring cutting drill according to claim 4, wherein: the female hammer (1) and the guide frame (5) are movably connected through a push-pull device (4).
6. The down-the-hole hammer ring cutting drill according to claim 5, wherein: the plurality of the mother hammers (1) are movably combined to form a circular ring-shaped structure.
7. The down-the-hole hammer ring cutting drill according to claim 6, wherein: the azimuth indicator is arranged on the mother hammer (1).
8. Use of a down-the-hole hammer ring cutting drill according to any one of claims 1-7, characterized in that: comprises the following steps of (a) carrying out,
the method comprises the following steps: assembling;
the lower end of the slurry discharge pipe (7) is communicated with the gas collecting hood (3), and the upper end of the slurry discharge pipe is upwards connected with a ground slurry treatment system;
the high-pressure medium pipeline or the cable (6) passes through the guide frame (5) and enters a gas-liquid-electricity distribution pipeline on the mother hammer (1);
connecting the slurry channel with the slurry discharge pipe (7);
step two: hoisting;
suspending the guide frame (5) to a drilling station by a crane (8);
step three: drilling;
a high-pressure medium pipeline or a cable (6) enters a gas-liquid electric distribution pipeline on the primary hammer (1) to drive the secondary hammer (2) to impact rock drilling, and the secondary hammer (2) discharges waste gas;
the push-pull device (4) pushes and pulls the female hammer (1) and the guide frame, so that the female hammer (1) is continuously separated or closed on the circumference, the down-the-hole hammer is used for cutting and drilling the foundation ring to form a rock core;
a rock core formed after the foundation ring cutting is pushed off by the lateral thrust of the coring barrel and then is clamped, and the rock core is lifted out of the ground by a crane; the broken block-shaped soil and stone are grabbed out of the drill hole by a grab bucket of the crane.
9. The method of using a down-the-hole hammer ring cutting drill according to claim 8, wherein: in the third step, the waste gas discharged by the sub-hammer (2) is mixed with slurry in the gas collecting hood (3), and under the action of the pressure of the slurry, gas lift reverse circulation slag removal is formed and is discharged to a ground slurry treatment system upwards through a slurry channel and the slurry discharge pipe (7).
10. The use method of the down-the-hole hammer ring cutting drill according to claim 9, characterized in that in the third step, when the covering layer is drilled, the down-the-hole hammer ring cutting drill is used for drilling in sections, and in the state of the wall protection of the down-the-hole hammer ring cutting drill, a grab bucket is used for grabbing earth and stones to form a drill hole; or the drilling wings are arranged on the mother hammer 1, the whole section of the mother hammer drills into the foundation to form drilling slag, and the drilling slag is discharged through a mud circulating system to form a drill hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010934386.9A CN112145070A (en) | 2020-09-08 | 2020-09-08 | Down-the-hole hammer ring cutting drill and use method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010934386.9A CN112145070A (en) | 2020-09-08 | 2020-09-08 | Down-the-hole hammer ring cutting drill and use method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112145070A true CN112145070A (en) | 2020-12-29 |
Family
ID=73889259
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010934386.9A Withdrawn CN112145070A (en) | 2020-09-08 | 2020-09-08 | Down-the-hole hammer ring cutting drill and use method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112145070A (en) |
-
2020
- 2020-09-08 CN CN202010934386.9A patent/CN112145070A/en not_active Withdrawn
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| PB01 | Publication | ||
| PB01 | Publication | ||
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Application publication date: 20201229 |