CN114215480B - Rotary drilling drill for drift sand geology and long casing slurry pore-forming method adopting rotary drilling drill - Google Patents
Rotary drilling drill for drift sand geology and long casing slurry pore-forming method adopting rotary drilling drill Download PDFInfo
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- CN114215480B CN114215480B CN202111348583.3A CN202111348583A CN114215480B CN 114215480 B CN114215480 B CN 114215480B CN 202111348583 A CN202111348583 A CN 202111348583A CN 114215480 B CN114215480 B CN 114215480B
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- pile casing
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- casing plate
- pile
- connecting seat
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- 238000005553 drilling Methods 0.000 title claims abstract description 28
- 238000000034 method Methods 0.000 title claims abstract description 11
- 239000004576 sand Substances 0.000 title claims abstract description 5
- 239000002002 slurry Substances 0.000 title abstract description 5
- 230000005540 biological transmission Effects 0.000 claims abstract description 47
- 239000002699 waste material Substances 0.000 claims abstract description 17
- 239000002689 soil Substances 0.000 claims description 16
- 239000004927 clay Substances 0.000 claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
- 241001074085 Scophthalmus aquosus Species 0.000 claims description 2
- 238000010276 construction Methods 0.000 description 5
- 239000002893 slag Substances 0.000 description 4
- 239000011148 porous material Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000007373 indentation Methods 0.000 description 2
- 239000011435 rock Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009435 building construction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000013049 sediment Substances 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
- E21B10/00—Drill bits
- E21B10/44—Bits with helical conveying portion, e.g. screw type bits; Augers with leading portion or with detachable parts
-
- 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
- E21B12/00—Accessories for drilling tools
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)
- Placing Or Removing Of Piles Or Sheet Piles, Or Accessories Thereof (AREA)
Abstract
The invention discloses a rotary drilling bit for a drift sand geology and a long pile casing slurry pore-forming method adopting the rotary drilling bit, wherein the rotary drilling bit comprises a drill bit and a first pile casing plate, a mounting plate is arranged on the first pile casing plate, a screw rod hole, a guide rod hole, a second pile casing plate, a connecting seat and a transmission assembly are arranged on the mounting plate; according to the invention, the first pile casing plate and the second pile casing plate are respectively arranged on two sides of the drill bit, and the connecting seat is arranged on the upper side of the drill body of the drill bit, so that waste residues on the drill bit can not fall off randomly when the drill bit is withdrawn, the waste residues can be conveniently circulated to a designated position, and the first pile casing plate and the second pile casing plate are driven by arranging the transmission assembly on the connecting seat, so that the first pile casing plate and the second pile casing plate can be conveniently opened to discharge the waste residues.
Description
Technical Field
The invention relates to the technical field related to building construction, in particular to a rotary drilling bit for a sand-flowing geology and a long pile casing slurry pore-forming method adopting the rotary drilling bit.
Background
The rotary drilling rig is a construction process suitable for pore-forming operation in building foundation engineering, is widely used for foundation construction engineering such as municipal construction, highway bridges, high-rise buildings and the like, is matched with different drilling tools, and is suitable for pore-forming operation of dry (short spiral) or wet (rotary bucket) and rock stratum (rock core drill);
but traditional dig soon and bore drill bit structure that construction was used is comparatively simple, and it is inconvenient to discharge the waste residue that forms when boring to lead to dig soon and bore the work progress in-process, its holistic efficiency of construction is slower, thereby influences the whole progress of engineering soon.
Disclosure of Invention
The invention aims to provide a sand-flowing geological rotary drilling rig and a long casing slurry pore-forming method adopting the same, so as to solve the problems in the background technology.
In order to achieve the above purpose, the present invention provides the following technical solutions: a quicksand geological rotary drill comprising: the drill bit comprises a drill body and a blade which are integrally formed, and the blade is spirally arranged;
the first pile casing plate is provided with a mounting plate, and the mounting plate is provided with a screw hole and a guide rod hole;
the second pile casing plate and the first pile casing plate have the same structure, the second pile casing plate and the first pile casing plate are symmetrically arranged, and the second pile casing plate is provided with the same structure as the mounting plate on the first pile casing plate;
the connecting seat is of a rectangular seat body structure, the lower end of the seat body is fixedly connected with the upper end of the drill body, and the upper end of the connecting seat is connected with a drill rod on rotary drilling equipment;
the mounting plate is in transmission connection with the connecting seat through a transmission assembly, and the transmission assembly is formed by combining a transmission screw and a driving motor;
the connecting seat is provided with a gear groove, two side walls of the gear groove are respectively provided with a screw rod mounting hole, a transmission screw rod is rotatably mounted in each screw rod mounting hole, and mounting plates on the first pile casing plate and the second pile casing plate are respectively connected with the transmission screw rod.
Preferably, the two ends of the transmission screw rod are respectively provided with a first screw thread and a second screw thread, the first screw thread and the second screw thread are reversely arranged, and the arrangement position of the transmission screw rod corresponds to the position of the screw rod hole on the mounting plate.
Preferably, guide rods are fixedly installed on two sides of the connecting seat, the guide rods are arranged in groups, the arrangement positions of the guide rods correspond to the positions of guide rod holes in the mounting plate, and the mounting plate is movably arranged on the guide rods.
Preferably, the driving motor is fixedly installed on a motor support on the side edge of the connecting seat, a transmission gear is fixedly installed on a rotor of the driving motor, a driven gear is fixedly installed on the transmission screw rod, the driven gear is located in the gear groove to be arranged, and the transmission gear and the driven gear are meshed.
Preferably, when the first pile casing plate and the second pile casing plate are in mutual contact, the inner side walls of the first pile casing plate and the second pile casing plate are in mutual contact with the side edges of the blades.
Preferably, the outer side walls of the first pile casing plate and the second pile casing plate are respectively provided with a protruding structure, the protruding structures are semi-circular structures with semicircular sections, and the protruding structures are provided with a plurality of channels at equal intervals on the outer side walls of the first pile casing plate and the second pile casing plate.
Preferably, the inner side walls of the first pile casing plate and the second pile casing plate are uniformly formed with a soil retaining plate near the lower end, rectangular grooves are formed in the soil retaining plate, the section size of each rectangular groove is identical to half of the section size of each connecting seat, and the positions of the connecting seats correspond to the positions of the rectangular grooves.
The invention also provides a long casing mud pore-forming method adopting the rotary drilling rig, which comprises the following steps:
step one: the filling working platform ensures that the mud surface can be two to three meters higher than the river water level;
step two: measuring and positioning, accurately determining the center position of the pile foundation, and arranging a cross pile;
step three: burying a pile casing, wherein the diameter of the buried pile casing is twenty cm larger than the diameter of the pile, the length is four to six meters, and the periphery is tightly backfilled with clay;
step four: positioning a drilling machine, and ensuring that the center of the drilling bit and a drill rod are kept on the same plumb line;
step five: driving to drill;
step six: the drill bit is withdrawn and the waste residue is carried out.
Compared with the prior art, the invention has the beneficial effects that:
1. the first pile casing plate and the second pile casing plate are respectively arranged on two sides of the drill bit, and the connecting seat is arranged on the upper side of the drill body of the drill bit, so that waste residues on the drill bit can not fall off randomly when the drill bit is withdrawn, the waste residues can be conveniently circulated to a designated position, and the first pile casing plate and the second pile casing plate are driven by arranging the transmission assembly on the connecting seat, so that the first pile casing plate and the second pile casing plate are conveniently opened to discharge the waste residues;
2. the outer side walls of the first pile casing plate and the second pile casing plate are respectively provided with a convex structure, so that after drilling, the first pile casing plate and the second pile casing plate can be driven by the transmission assembly, the first pile casing plate and the second pile casing plate are unfolded towards two sides, the hole wall is compacted, the impression is left, the pile post formed by later pouring can be meshed with the hole wall, and the integral strength of the structure is improved;
3. and the soil retaining plate is arranged at the inner side walls of the first pile casing plate and the second pile casing plate close to the lower end, so that soil and slag are prevented from contacting the transmission assembly through the soil retaining plate, and the normal operation of the transmission assembly is affected.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic view of the bit and first casing plate positions;
FIG. 3 is an enlarged schematic view of the structure shown in FIG. 2A;
FIG. 4 is a schematic view of a first casing structure;
FIG. 5 is an enlarged schematic view of the structure shown at B in FIG. 4;
FIG. 6 is a schematic view of a drill bit;
fig. 7 is a schematic diagram of a driving screw structure.
In the figure: drill bit 1, first barrel casing board 2, second barrel casing board 3, connecting seat 4, bore body 5, blade 6, drilling rod 7, gear groove 8, lead screw mounting hole 9, drive lead screw 10, driving motor 11, motor support 12, drive gear 13, driven gear 14, first lead screw thread 15, second lead screw thread 16, guide arm 17, mounting plate 18, lead screw hole 19, guide arm hole 20, retaining plate 21, rectangular groove 22, protruding structure 23.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-7, the present invention provides a technical solution: the utility model provides a drift sand geology digs brill soon and long pile casing mud pore-forming method, includes drill bit 1, first pile casing board 2, second pile casing board 3, connecting seat 4 and drive assembly, and drill bit 1 comprises boring body 5 and blade 6 combination, bores body 5 and blade 6 as integrated into one piece, and blade 6 is the spiral setting; the first pile casing plate 2 is provided with a mounting plate 18, and the mounting plate 18 is provided with a screw hole 19 and a guide rod hole 20; the second casing plate 3 has the same structure as the first casing plate 2, the second casing plate 3 and the first casing plate 2 are symmetrically arranged, and the second casing plate 3 is provided with the same structure as the mounting plate 18 on the first casing plate 2; the connecting seat 4 is of a rectangular seat structure, the lower end of the seat is fixedly connected with the upper end of the drill body 5, and the upper end of the connecting seat 4 is connected with a drill rod 7 on rotary drilling equipment;
the mounting plate 18 is in transmission connection with the connecting seat 4 through a transmission component, the transmission component is formed by combining a transmission screw rod 10 and a driving motor 11, the first pile casing plate 2 and the second pile casing plate 3 are respectively arranged on two sides of the drill bit 1, and the connecting seat 4 is arranged on the upper side of the drill body 5 of the drill bit 1, so that when the drill bit 1 is withdrawn, waste residues on the drill bit 1 cannot fall at will, the waste residues are conveniently circulated to a specified position, and the first pile casing plate 2 and the second pile casing plate 3 are conveniently driven through the transmission component arranged on the connecting seat 4, and the first pile casing plate 2 and the second pile casing plate 3 are conveniently opened to discharge the waste residues;
the connecting seat 4 is provided with a gear groove 8, two side walls of the gear groove 8 are provided with screw mounting holes 9, a transmission screw 10 is rotatably mounted in each screw mounting hole 9, mounting plates 18 on the first pile casing plate 2 and the second pile casing plate 3 are connected with the transmission screw 10, two ends of the transmission screw 10 are respectively provided with a first screw thread 15 and a second screw thread 16, the first screw thread 15 and the second screw thread 16 are reversely arranged, and the arrangement position of the transmission screw 10 corresponds to the position of a screw hole 19 on the mounting plate 18.
Guide rods 17 are fixedly installed on two sides of the connecting seat 4, the guide rods 17 are arranged in groups, the arrangement positions of the guide rods 17 correspond to the positions of guide rod holes 20 in the mounting plate 18, the mounting plate 18 is movably arranged on the guide rods 17, the driving motor 11 is fixedly installed on a motor support 12 on the side edge of the connecting seat 4, a transmission gear 13 is fixedly installed on a rotor of the driving motor 11, a driven gear 14 is fixedly installed on the transmission screw 10, the driven gear 14 is arranged in a gear groove 8, the transmission gear 13 and the driven gear 14 are meshed, and when the first casing plate 2 and the second casing plate 3 are in mutual contact, the inner side walls of the first casing plate 2 and the second casing plate 3 are in mutual contact with the side edge of the blade 6.
The first pile casing plate 2, all be provided with protruding structure 23 on the lateral wall of second pile casing plate 3, protruding structure 23 is semicircular semi-annular structure for the cross-section, and protruding structure 23 is provided with the multichannel on the lateral wall of first pile casing plate 2, second pile casing plate 3 equally spaced, through all being provided with protruding structure 23 on the lateral wall of first pile casing plate 2, second pile casing plate 3, thereby after drilling, can drive first pile casing plate 2 and second pile casing plate 3 through drive assembly, thereby let first pile casing plate 2 and second pile casing plate 3 expand to both sides, thereby compress the pore wall, and leave the indentation, thereby let the stake that the later stage was pour and form the meshing between can and the pore wall, the effect, thereby improve the bulk strength of its structure.
The inner side walls of the first pile casing plate 2 and the second pile casing plate 3 are uniformly formed with the soil retaining plate 21 near the lower end, rectangular grooves 22 are formed in the soil retaining plate 21, the cross section size of each rectangular groove 22 is identical to half of the cross section size of each connecting seat 4, the positions of the connecting seats 4 correspond to the positions of the rectangular grooves 22, the soil retaining plate 21 is arranged near the lower end of the inner side walls of the first pile casing plate 2 and the second pile casing plate 3, and therefore soil and slag are prevented from contacting the transmission assembly through the soil retaining plate 21, and normal operation of the transmission assembly is affected.
The long casing mud pore-forming method comprises the following steps:
step one: the filling working platform ensures that the mud surface can be two to three meters higher than the river water level;
step two: measuring and positioning, accurately determining the center position of the pile foundation, and arranging a cross pile;
step three: burying a pile casing, wherein the diameter of the buried pile casing is twenty cm larger than the diameter of the pile, the length is four to six meters, and the periphery is tightly backfilled with clay;
step four: positioning a drilling machine, and ensuring that the center of the drill bit 1 and the drill rod 7 are kept on the same plumb line;
step five: driving to drill;
step six: the drill bit is withdrawn and the waste residue is carried out.
Working principle: the first pile casing plate 2 and the second pile casing plate 3 are respectively arranged on two sides of the drill bit 1, the connecting seat 4 is arranged on the upper side of the drill body 5 of the drill bit 1, so that when the drill bit 1 is withdrawn, waste residues on the drill bit 1 can not fall off at will, the waste residues can be conveniently circulated to a designated position, the first pile casing plate 2 and the second pile casing plate 3 are driven by arranging the transmission component on the connecting seat 4, the first pile casing plate 2 and the second pile casing plate 3 are conveniently opened to discharge the waste residues, the bulge structures 23 are respectively arranged on the outer side walls of the first pile casing plate 2 and the second pile casing plate 3, after drilling, the first pile casing plate 2 and the second pile casing plate 3 can be driven by the transmission component, so that the first pile casing plate 2 and the second pile casing plate 3 are unfolded to two sides, the hole wall is compacted, the indentation is left, the pile post formed by later pouring can be meshed with the hole wall, the integral strength of the structure is improved, the soil retaining plates 21 are arranged at the lower ends of the inner side walls of the first pile retaining plate 2 and the second pile retaining plate 3, soil and slag are prevented from contacting with a transmission component through the soil retaining plates 21, the normal operation of the transmission component is affected, in actual use, a filling working platform is used for ensuring that the mud surface can be two to three meters higher than the river water level, then the pile foundation center position is accurately determined, cross piles are arranged, pile casings are buried, the diameter of the pile casings is twenty centimeters larger than the diameter of the pile, the length of the pile casings is four to six meters, clay is used for backfilling around the pile casings tightly, then the drill is positioned, the center of the drill bit 1 and the drill rod 7 are kept on the same vertical line, then the drill is driven to open, the drill bit is withdrawn after a certain depth is drilled, waste slag is brought out, then the driving motor 11 is started to rotate forwards, thereby drive first barrel casing board 2, second barrel casing board 3 open to both sides to discharge soil sediment, then drive driving motor 11 reversal, carry out follow-up drilling, and before the drilling, drive driving motor 11 corotation, open first barrel casing board 2, second barrel casing board 3 to both sides, in order to compact the pore wall, then start driving motor 11 reversal again, let first barrel casing board 2, second barrel casing board 3 close, then resume drilling operation can.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides a class sand geology digs brill soon which characterized in that: the novel drilling machine comprises a drill bit (1), a first pile casing plate (2), a second pile casing plate (3), a connecting seat (4) and a transmission assembly, wherein the drill bit (1) is formed by combining a drill body (5) and a blade (6), the drill body (5) and the blade (6) are integrally formed, and the blade (6) is spirally arranged;
a mounting plate (18) is arranged on the first pile casing plate (2), and a screw hole (19) and a guide rod hole (20) are formed in the mounting plate (18);
the second pile casing plate (3) has the same structure as the first pile casing plate (2), the second pile casing plate (3) and the first pile casing plate (2) are symmetrically arranged, and the second pile casing plate (3) is provided with the same structure as the mounting plate (18) on the first pile casing plate (2);
the connecting seat (4) is of a rectangular seat structure, the lower end of the seat is fixedly connected with the upper end of the drill body (5), and the upper end of the connecting seat (4) is connected with a drill rod (7) on the rotary drilling equipment;
the mounting plate (18) is in transmission connection with the connecting seat (4) through a transmission assembly, and the transmission assembly is formed by combining a transmission screw (10) and a driving motor (11);
a gear groove (8) is formed in the connecting seat (4), screw mounting holes (9) are formed in two side walls of the gear groove (8), a transmission screw (10) is rotatably mounted in the screw mounting holes (9), and mounting plates (18) on the first pile casing plate (2) and the second pile casing plate (3) are connected with the transmission screw (10);
the two ends of the transmission screw (10) are respectively provided with a first screw thread (15) and a second screw thread (16), the first screw thread (15) and the second screw thread (16) are reversely arranged, and the arrangement position of the transmission screw (10) corresponds to the position of a screw hole (19) on the mounting plate (18);
guide rods (17) are fixedly arranged on two sides of the connecting seat (4), the guide rods (17) are arranged in groups, the arrangement positions of the guide rods (17) correspond to the positions of guide rod holes (20) in the mounting plate (18), and the mounting plate (18) is movably arranged on the guide rods (17);
the driving motor (11) is fixedly mounted on a motor support (12) on the side edge of the connecting seat (4), a transmission gear (13) is fixedly mounted on a rotor of the driving motor (11), a driven gear (14) is fixedly mounted on the transmission screw (10), the driven gear (14) is arranged in the gear groove (8), and the transmission gear (13) and the driven gear (14) are meshed.
2. A quicksand geological rotary drill according to claim 1, wherein: when the first pile casing plate (2) and the second pile casing plate (3) are in mutual contact, the inner side walls of the first pile casing plate (2) and the second pile casing plate (3) are in mutual contact with the side edges of the blades (6).
3. A quicksand geological rotary drill according to claim 2, wherein: the novel pile casing is characterized in that protruding structures (23) are arranged on the outer side walls of the first pile casing plate (2) and the second pile casing plate (3), the protruding structures (23) are semi-circular structures with semicircular sections, and the protruding structures (23) are arranged on the outer side walls of the first pile casing plate (2) and the second pile casing plate (3) at equal intervals.
4. A quicksand geological rotary drill according to claim 3, wherein: the novel pile cover is characterized in that the inner side walls of the first pile cover plate (2) and the second pile cover plate (3) are uniformly formed with a soil retaining plate (21) close to the lower end, rectangular grooves (22) are formed in the soil retaining plate (21), the cross section size of each rectangular groove (22) is identical to half of the cross section size of the corresponding connecting seat (4), and the positions of the corresponding connecting seats (4) correspond to the positions of the corresponding rectangular grooves (22).
5. A method for forming a hole by using the long casing mud of the quicksand geological rotary drill according to any one of claims 1 to 4, which is characterized in that: comprises the following steps:
step one: the filling working platform ensures that the mud surface can be two to three meters higher than the river water level;
step two: measuring and positioning, accurately determining the center position of the pile foundation, and arranging a cross pile;
step three: burying a pile casing, wherein the diameter of the buried pile casing is twenty cm larger than the diameter of the pile, the length is four to six meters, and the periphery is tightly backfilled with clay;
step four: positioning a drilling machine, and ensuring that the center of a drill bit (1) and a drill rod (7) are kept on the same plumb line;
step five: driving to drill;
step six: the drill bit is withdrawn and the waste residue is carried out.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111348583.3A CN114215480B (en) | 2021-11-15 | 2021-11-15 | Rotary drilling drill for drift sand geology and long casing slurry pore-forming method adopting rotary drilling drill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111348583.3A CN114215480B (en) | 2021-11-15 | 2021-11-15 | Rotary drilling drill for drift sand geology and long casing slurry pore-forming method adopting rotary drilling drill |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114215480A CN114215480A (en) | 2022-03-22 |
| CN114215480B true CN114215480B (en) | 2023-09-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111348583.3A Active CN114215480B (en) | 2021-11-15 | 2021-11-15 | Rotary drilling drill for drift sand geology and long casing slurry pore-forming method adopting rotary drilling drill |
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| CN (1) | CN114215480B (en) |
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| Publication number | Publication date |
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| CN114215480A (en) | 2022-03-22 |
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