CN113338791A - Integrated down-the-hole hammer with filling function - Google Patents
Integrated down-the-hole hammer with filling function Download PDFInfo
- Publication number
- CN113338791A CN113338791A CN202110840733.6A CN202110840733A CN113338791A CN 113338791 A CN113338791 A CN 113338791A CN 202110840733 A CN202110840733 A CN 202110840733A CN 113338791 A CN113338791 A CN 113338791A
- Authority
- CN
- China
- Prior art keywords
- drill rod
- hole hammer
- double
- hollow drill
- layer hollow
- 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.)
- Pending
Links
- 239000002893 slag Substances 0.000 claims description 12
- 239000010802 sludge Substances 0.000 claims description 11
- 238000007599 discharging Methods 0.000 claims description 7
- 238000005086 pumping Methods 0.000 claims description 7
- 239000000725 suspension Substances 0.000 claims description 7
- 238000005516 engineering process Methods 0.000 abstract description 12
- 238000005553 drilling Methods 0.000 description 11
- 238000010276 construction Methods 0.000 description 9
- 239000011435 rock Substances 0.000 description 7
- 239000000428 dust Substances 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 239000002002 slurry Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- 238000005429 filling process Methods 0.000 description 1
- 230000002262 irrigation Effects 0.000 description 1
- 238000003973 irrigation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
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- 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
- E21B4/14—Fluid operated hammers
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D15/00—Handling building or like materials for hydraulic engineering or foundations
- E02D15/02—Handling of bulk concrete specially for foundation or hydraulic engineering purposes
- E02D15/04—Placing concrete in mould-pipes, pile tubes, bore-holes or narrow shafts
-
- 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
- E21B10/00—Drill bits
- E21B10/36—Percussion drill bits
- E21B10/38—Percussion drill bits characterised by conduits or nozzles for drilling fluids
-
- 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
- E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
- E21B17/18—Pipes provided with plural fluid passages
-
- 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
- E21B21/00—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
- E21B21/14—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor using liquids and gases, e.g. foams
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Geology (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Geochemistry & Mineralogy (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- Earth Drilling (AREA)
Abstract
An integrated down-the-hole hammer with a pouring function, comprising: the invention discloses a device for forming a pile by pouring and grouting, which integrates the reverse circulation technology and the pouring pile technology and realizes the function of one hammer for two purposes on the basis of taking the advantages of the existing down-the-hole hammer equipment and combining the long spiral drill center pressure pouring pile technology and the principle of the reverse circulation technology.
Description
Technical Field
The invention relates to the field of down-the-hole pile forming equipment, in particular to an integrated down-the-hole hammer with a pouring function.
Background
The existing down-the-hole hammer mostly uses compressed air and a power head as power to drive the down-the-hole hammer to realize rotary impact and break rock (soil) bodies, adopts a following pipe or slurry to protect walls, and then utilizes a positive circulation mode to convey rock debris at the bottom of a hole to the ground. Although the problems that equipment is difficult to enter rocks and easy to collapse are solved, the problems that the bottom of a hole is not clean in slag removal, dust is raised, the environment is polluted, multiple equipment is needed for construction and the like still exist in the construction operation process. Therefore, there is a need to develop a reverse circulation grouting down-the-hole hammer device with large aperture, no need of slurry or pipe drilling protection wall, accelerated drilling speed and capability of obviously reducing site construction dust by using the reverse circulation technical principle.
In order to solve the problems of slow construction progress, large dust emission, unclean hole bottom slag removal and the like of the existing down-the-hole hammer equipment, the applicant improves and upgrades the existing down-the-hole hammer equipment, and provides integrated equipment combining the down-the-hole hammer equipment with a reverse circulation drilling technology and a concrete pressure irrigation technology.
Disclosure of Invention
The invention aims to provide pouring and pile-forming integrated equipment integrating the characteristics of a down-the-hole hammer, a long spiral drill center pressure pouring pile-forming technology and a reverse circulation construction technology, and can solve a series of problems of low drilling efficiency, large dust emission, easy hole collapse, unclean slag removal and the like under complex geological conditions of hard rock, large-particle-size soil filling layers and the like in drilling engineering.
In order to solve the technical problems, the invention adopts the following scheme:
an integrated down-the-hole hammer with a pouring function, comprising: a frame, a suspension device, a down-the-hole hammer, a double-layer hollow drill rod, a power head, an air compressor, an air supply pipeline, a three-way pipe, a one-way valve, a ground pump, a sludge pump suction device and an air converter, the device comprises a rack, a hanging device, a power head, an annular air converter, a power head, an air compressor, a three-way pipe, a ground pump, a sludge pump suction device, a check valve and a pressure gauge, wherein the hanging device is movably connected with the rack through a slide rail, the hanging device is fixedly connected with the power head, a hollow cavity and a middle channel are arranged in a double-layer hollow drill rod, the bottom of the double-layer hollow drill rod is connected with the down-the-hole hammer through a hexagonal joint, compressed air is conveyed to the down-the-hole hammer through the cavity of the double-layer hollow drill rod, the top of the hollow drill rod penetrates through the annular air converter and is fixedly connected with the power head, the air compressor is connected with the air converter through an air supply pipeline, a three-way pipe is arranged at the top of the power head, one end of the three-way pipe is communicated with the middle channel in the double-layer hollow drill rod, the other two ends of the three-way pipe are respectively connected with the ground pump and the sludge pump suction device, and the check valve is arranged in a port connected with the sludge pump suction device.
Furthermore, the center of the down-the-hole hammer is provided with a slag discharging and filling hole penetrating through the top surface and the bottom surface of the down-the-hole hammer, the slag discharging and filling hole is communicated with a hollow channel in a double-layer hollow drill rod to provide a conveying channel for slag discharging and filling, so that the pore forming and filling processes can be completed only by one drilling tool without moving and replacing other matched mechanical equipment, the equipment cost is saved, the two processes are completely independent and do not interfere with each other, and the 'one-hammer dual-purpose' is realized, namely the equipment is freely assembled with a long spiral, a rotary drilling machine and other racks to realize pore forming and filling integrated construction.
Furthermore, the diameter of the down-the-hole hammer is equal to that of the double-layer hollow drill rod, and the drill rod and the down-the-hole hammer are designed in the same diameter mode.
The working principle is as follows:
the air compressor compresses air to form high-pressure air, the high-pressure air enters the cavity of the double-layer hollow drill rod and is conveyed into the down-the-hole hammer through the air supply pipeline and the air converter to drive the impactor at the end part of the hammer head to perform piston movement, the aim of impact drilling is achieved, under the action of an air flow and mud residue pumping device, rock debris and mud residues are discharged into a mud pit or other mud residue collecting devices after passing through a slag discharge and filling hole of the down-the-hole hammer, a hollow channel, a three-way pipe and a mud residue pumping device in the double-layer hollow drill rod, when the drilling is carried out to the designed depth and the holes are cleaned, the double-layer hollow drill rod is lifted, filling materials are pumped to the bottom of the drill hole through a pipeline, the three-way pipe, the hollow channel in the double-layer hollow drill rod and the filling and slag discharge hole of the down-the hole hammer through a ground pump, the poured concrete surface is controlled to be higher than a discharge hole at the bottom of the hammer, and the drilling tool is lifted while the filling materials are lifted, so that pressure pouring is formed.
The invention has the advantages that:
the invention develops an integrated device integrating the reverse circulation technology and the pouring pile-forming technology by combining the long auger central pressure pouring pile-forming technology and the reverse circulation technology principle on the basis of absorbing the advantages of the existing down-the-hole hammer equipment, realizes the function of 'one hammer for two purposes', does not need to drill along with a pipe or a slurry retaining wall, cleans holes, improves the drilling construction speed, reduces other matched construction equipment, reduces the equipment cost, and is suitable for various complex geological conditions, such as a filling layer with extremely-uneven components, an oval gravel layer, a rock block, a boulder layer, a karst (a karst trough, a karst cave, a crack and the like), rich underground water, difficult construction retaining wall of the soil-taking pile, a stratum with a pile end needing to be filled into hard rock and the like.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic internal view of the tee;
the meanings of the labels in the figure are as follows:
1-a frame; 2-a suspension device; 3-a down-the-hole hammer; 4-double-layer hollow drill rod; 5-a power head; 6, an air compressor; 7-air supply pipeline; 8-a three-way pipe; 9-a one-way valve; a 10-ground pump; 11-sludge pumping means; 31-deslagging and material filling holes; 41-middle channel.
Detailed Description
An integrated down-the-hole hammer with a pouring function, comprising: the device comprises a frame 1, a suspension device 2, a down-the-hole hammer 3, a double-layer hollow drill rod 4, a power head 5, an air compressor 6, an air supply pipeline 7, a three-way pipe 8, a one-way valve 9, a ground pump 10, a sludge pumping device 11 and an air converter 12, wherein the suspension device 2 and the frame 1 are fixedly connected with the power head 5 through a slide rail loose joint suspension device 2, a middle channel 41 is arranged in the double-layer hollow drill rod 4, compressed air is conveyed to the down-the-hole hammer 3 through a cavity of the double-layer hollow drill rod 4, the top of the hollow drill rod penetrates through an annular air converter 12 to be fixedly connected with the power head 5, the air converter 12 is fixedly connected with the power head 5, the air compressor 6 is connected with the air converter 12 through the air supply pipeline 7, the three-way pipe 8 is arranged at the top of the power head 5, one end of the three-way pipe 8 is communicated with the middle channel 41 in the double-layer hollow drill rod 4, the other two ends of the three-way pipe 8 are respectively connected with the ground pump 10 and the sludge pumping device 11 through pipelines, a check valve 9 is arranged in the port of the three-way pipe 8 connected with the sludge pumping device 11.
Preferably, the down-the-hole hammer 3 is provided with a slag discharging and filling hole 31 at the center, which penetrates through the top and bottom surfaces of the down-the-hole hammer 3, and the slag discharging and filling hole 31 is communicated with a hollow channel 41 in the double-layer hollow drill rod 4.
Preferably, the down-the-hole hammer 3 is of the same diameter as the double hollow drill pipe 4. Finally, it should be noted that the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to examples, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the claims of the present invention.
Claims (3)
1. An integrated down-the-hole hammer with a pouring function is characterized by comprising: the device comprises a rack (1), a suspension device (2), a down-the-hole hammer (3), a double-layer hollow drill rod (4), a power head (5), an air compressor (6), an air supply pipeline (7), a three-way pipe (8), a one-way valve (9), a ground pump (10), a sludge pumping device (11) and an air converter (12), wherein the suspension device (2) is installed on the rack (1), the power head (5) is fixedly connected with the double-layer hollow drill rod (4), a middle channel (41) is arranged in the double-layer hollow drill rod (4), the bottom of the double-layer hollow drill rod (4) is connected with the down-the-hole hammer (3) through a buckle hexagonal joint, compressed air is conveyed to the down-the hammer (3) through a cavity of the double-layer hollow drill rod (4), the top of the hollow drill rod (4) penetrates through the annular air converter (12) to be fixedly connected with the power head (5), the air converter (12) is fixedly connected with the power head (5), the air compressor (6) is connected with the air converter (12) through an air supply pipeline (7), the top of the power head (5) is provided with a three-way pipe (8), one end of the three-way pipe (8) is communicated with a middle channel (41) in the double-layer hollow drill rod (4), the other two ends of the three-way pipe (8) are respectively connected with a ground pump (10) and a sludge pump suction device (11) through pipelines, and a check valve (9) is arranged in a port of the three-way pipe (8) connected with the sludge pump suction device (11).
2. The integrated down-the-hole hammer with pouring function of claim 1, wherein: the center of the down-the-hole hammer (3) is provided with a slag discharging and filling hole (31) which penetrates through the top surface and the bottom surface of the down-the-hole hammer (3), and the slag discharging and filling hole (31) is communicated with a hollow channel (41) in the double-layer hollow drill rod (4).
3. The integrated down-the-hole hammer with pouring function of claim 1, wherein: the down-the-hole hammer (3) and the double-layer hollow drill rod (4) have the same diameter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110840733.6A CN113338791A (en) | 2021-07-25 | 2021-07-25 | Integrated down-the-hole hammer with filling function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110840733.6A CN113338791A (en) | 2021-07-25 | 2021-07-25 | Integrated down-the-hole hammer with filling function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113338791A true CN113338791A (en) | 2021-09-03 |
Family
ID=77480224
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110840733.6A Pending CN113338791A (en) | 2021-07-25 | 2021-07-25 | Integrated down-the-hole hammer with filling function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113338791A (en) |
-
2021
- 2021-07-25 CN CN202110840733.6A patent/CN113338791A/en active Pending
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