CN111550179A - Rock-socketed wall forming system and method for continuous wall - Google Patents
Rock-socketed wall forming system and method for continuous wall Download PDFInfo
- Publication number
- CN111550179A CN111550179A CN202010442883.7A CN202010442883A CN111550179A CN 111550179 A CN111550179 A CN 111550179A CN 202010442883 A CN202010442883 A CN 202010442883A CN 111550179 A CN111550179 A CN 111550179A
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- Prior art keywords
- dust collecting
- plate
- hole
- hole hammer
- drill rod
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- 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.)
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Classifications
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP 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
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/18—Bulkheads or similar walls made solely of concrete in situ
- E02D5/187—Bulkheads or similar walls made solely of concrete in situ the bulkheads or walls being made continuously, e.g. excavating and constructing bulkheads or walls in the same process, without joints
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP 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
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP 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
- E21B17/02—Couplings; joints
- E21B17/04—Couplings; joints between rod or the like and bit or between rod and rod or the like
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP 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
- E21B21/01—Arrangements for handling drilling fluids or cuttings outside the borehole, e.g. mud boxes
- E21B21/015—Means engaging the bore entrance, e.g. hoods for collecting dust
Abstract
A continuous wall rock-socketed wall forming system and a method thereof comprise a pile frame, a power assembly, a drill rod and a drilling tool, wherein the power assembly drives the drilling tool through the drill rod; the drilling tool is a cluster down-the-hole hammer and comprises a carrier and a plurality of down-the-hole hammers arranged on the carrier, the projection area of the carrier is rectangular, the width of the projection area is the same as the width of the continuous wall grooving, and the down-the-hole hammers are distributed in a matrix manner. When a hard rock stratum construction section is encountered, the cluster down-the-hole hammer is used for drilling, the rock stratum can be crushed, a square groove can be formed in each operation, and the cluster down-the-hole hammer can be continuously operated to form the groove rapidly. The down-the-hole hammer is one of common tools for rock stratums, and the down-the-hole hammer cluster is applied to a grooving system of a continuous wall by utilizing the advantage of rock stratum excavation of the down-the-hole hammer, so that the price cost is effectively reduced, and the operation efficiency is high.
Description
Technical Field
The invention relates to a continuous wall, in particular to a rock-socketed wall forming system for forming a groove by utilizing a down-the-hole hammer.
Background
In urban subway construction, the underground continuous wall process is widely applied to a foundation pit supporting system, and the construction process for constructing the underground continuous wall by using a pile punching machine to assist a trenching machine is suitable for softer geology in the prior art. The underground diaphragm wall is constructed under the geological conditions of hard rock and thick rock layer such as medium weathering and slightly weathering, the problems of deviated holes, slow punching and the like are inevitable in the construction, so that the construction efficiency is low, the construction period is delayed, and the quality problems of bulging of the diaphragm wall, cage clamping of a reinforcement cage and the like exist. At present, if subway construction with hard rock and thick rock stratum is performed, a double-wheel slot milling machine is generally adopted for grooving to construct the underground diaphragm wall, but the double-wheel slot milling machine has the defect of high price.
Disclosure of Invention
The invention aims to solve the technical problem of providing a rock-socketed wall forming system and method for a continuous wall, which are low in cost, capable of being constructed on rock strata and high in operation efficiency.
In order to solve the technical problems, the technical scheme of the invention is as follows: a continuous wall rock-socketed wall forming system comprises a pile frame, a power assembly, a drill rod and a drilling tool, wherein the power assembly drives the drilling tool through the drill rod; the drilling tool is a cluster down-the-hole hammer and comprises a carrier and a plurality of down-the-hole hammers arranged on the carrier, the projection area of the carrier is rectangular, the width of the projection area is the same as the width of the continuous wall grooving, and the down-the-hole hammers are distributed in a matrix manner. When a hard rock stratum construction section is encountered, the cluster down-the-hole hammer is used for drilling, the rock stratum can be crushed, a square groove can be formed in each operation, and the cluster down-the-hole hammer can be continuously operated to form the groove rapidly. The down-the-hole hammer is one of common tools for rock stratums, and the down-the-hole hammer cluster is applied to a grooving system of a continuous wall by utilizing the advantage of rock stratum excavation of the down-the-hole hammer, so that the price cost is effectively reduced, and the operation efficiency is high.
As an improvement, the carrier comprises a fixing mechanism, an air pressure chamber arranged at the top of the fixing mechanism, a dust collecting chamber arranged on the air pressure chamber and an anti-bending plate arranged on the dust collecting chamber, and the drill rod is connected with the anti-bending plate; the down-the-hole hammer is arranged in the fixing mechanism, the upper end of the down-the-hole hammer penetrates through the air pressure chamber and extends into the dust collecting chamber, the bottom of the down-the-hole hammer is provided with a working part, the working part is provided with an air outlet, the air pressure chamber is connected with the air outlet through an air pipe, the center of the down-the-hole hammer is provided with a gas collecting hole, and the gas collecting hole is communicated with the dust collecting chamber; the dust collecting device is characterized in that a dust collecting pipe is arranged in the drill rod, a gap is formed between the dust collecting pipe and the drill rod, the lower end of the dust collecting pipe is communicated with the dust collecting chamber, and the upper end of the dust collecting pipe is connected with a dust collecting device through a leading-out pipe.
As an improvement, the drill rod is connected with the anti-bending plate through a connecting mechanism, the connecting mechanism comprises a hexagonal butt joint positioned at the top of the drilling tool, and the lower end of the drill rod is provided with a hexagonal butt joint hole matched with the hexagonal butt joint.
As an improvement, the fixing mechanism comprises an upper connecting body and a lower connecting body; the upper connecting body comprises a first top plate and a first enclosing plate, the first enclosing plate encloses a first accommodating cavity, and a first reinforcing plate is arranged in the first accommodating cavity; the lower connecting body comprises a second bottom plate and a second enclosing plate, the second enclosing plate encloses a second accommodating cavity, a second reinforcing plate is arranged in the second accommodating cavity, and the lower end of the first enclosing plate is connected with the upper end of the second enclosing plate through a bolt; the down-the-hole hammer sequentially penetrates through the second bottom plate, the second reinforcing plate, the first reinforcing plate and the first top plate.
Compared with the prior art, the invention has the following beneficial effects:
when a hard rock stratum construction section is encountered, the cluster down-the-hole hammer is used for drilling, the rock stratum can be crushed, a square groove can be formed in each operation, and the cluster down-the-hole hammer can be continuously operated to form the groove rapidly. The down-the-hole hammer is one of common tools for rock stratums, and the down-the-hole hammer cluster is applied to a grooving system of a continuous wall by utilizing the advantage of rock stratum excavation of the down-the-hole hammer, so that the price cost is effectively reduced, and the operation efficiency is high.
Drawings
FIG. 1 is a schematic view of the present invention.
FIG. 2 is a schematic view of a cluster down-the-hole hammer.
FIG. 3 is a schematic of the down-the-hole hammer distribution.
FIG. 4 is a top view of a diaphragm wall channel.
Fig. 5 is a front view of a continuous wall grooving.
Detailed Description
The invention is further described below with reference to the accompanying drawings.
As shown in figure 1, the continuous wall rock-socketed wall forming system comprises a pile frame 1, a power assembly 2, a drill rod 3 and a drilling tool 4, wherein the power assembly drives the drilling tool 4 through the drill rod 3.
As shown in fig. 3, the drilling tool 4 is a cluster down-the-hole hammer, which comprises a carrier and a plurality of down-the-hole hammers 46 arranged on the carrier, wherein the projection area of the carrier is rectangular, the width of the projection area is the same as the width of the continuous wall grooving, the down-the-hole hammers 46 are distributed in a matrix, and the width of the grooving 7 of the cluster down-the-hole hammer 46 is the same as the width of the continuous wall grooving each time, so that the grooving operation efficiency can be improved.
As shown in fig. 2, the carrier comprises a fixing mechanism 45, an air pressure chamber 44 arranged at the top of the fixing mechanism 45, a dust collecting chamber 43 arranged on the air pressure chamber 44, and an anti-bending plate 42 arranged on the dust collecting chamber 43, wherein the drill rod 3 is connected with the anti-bending plate 42; the down-the-hole hammer 46 is arranged in the fixing mechanism 45, the upper end of the down-the-hole hammer 46 penetrates through the air pressure chamber 44 and extends into the dust collecting chamber 43, the bottom of the down-the-hole hammer 46 is provided with a working part, the working part is provided with an air outlet, the air pressure chamber 44 is connected with the air outlet through an air pipe, the center of the down-the-hole hammer 46 is provided with a gas collecting hole, and the gas collecting hole is communicated with the dust collecting chamber 43; the dust collecting pipe 6 is arranged in the drill rod 3, a gap is formed between the dust collecting pipe 6 and the drill rod 3, the lower end of the dust collecting pipe 6 is communicated with the dust collecting chamber 43, and the upper end of the dust collecting pipe 6 is connected with the dust collecting device through the eduction tube. The drill rod 3 is connected with the bending-resistant plate 42 through a connecting mechanism, the connecting mechanism comprises a hexagonal butt joint 41 positioned at the top of the drilling tool, and the lower end of the drill rod 3 is provided with a hexagonal butt joint hole matched with the hexagonal butt joint. During operation, dust is generated at the working part at the bottom of the drilling tool, and under the action of air pressure, the dust enters the dust collecting chamber 43 through the gas collecting hole; the dust in the dust collecting chamber 43 is conveyed upwards through the dust collecting pipe 6 in the drill rod 3 and finally collected by the dust collecting device 5 through the eduction pipe, so that the problem that the dust is discharged to the outside is solved.
As shown in fig. 2, the fixing mechanism 45 includes an upper connecting body and a lower connecting body; the upper connecting body comprises a first top plate 451 and a first enclosing plate 453, the first enclosing plate 453 encloses a first accommodating cavity, and a first reinforcing plate 452 is arranged in the first accommodating cavity; the lower connecting body comprises a second bottom plate 456 and a second enclosing plate 455, the second enclosing plate 455 encloses a second accommodating cavity, a second reinforcing plate 454 is arranged in the second accommodating cavity, and the lower end of the first enclosing plate 453 is connected with the upper end of the second enclosing plate 455 through a bolt; the down-the-hole hammer 46 passes through the second bottom plate 456, the second reinforcing plate 454, the first reinforcing plate 452, and the first top plate 451 in this order.
As shown in figures 4 and 5, the continuous wall rock-socketed wall forming method comprises the following steps:
(1) excavating a square groove 7 by using a cluster down-the-hole hammer;
(2) forming a continuous wall to form a groove after continuous operation of the cluster down-the-hole hammer;
(3) and placing a reinforcement cage and pouring concrete into the groove.
The principle of the invention is as follows: when a hard rock stratum construction section is encountered, the cluster down-the-hole hammer is used for drilling, the rock stratum can be crushed, a square groove can be formed in each operation, and the cluster down-the-hole hammer can be continuously operated to form the groove rapidly. The down-the-hole hammer is one of common tools for rock stratums, and the down-the-hole hammer cluster is applied to a grooving system of a continuous wall by utilizing the advantage of rock stratum excavation of the down-the-hole hammer, so that the price cost is effectively reduced, and the operation efficiency is high.
Claims (8)
1. A continuous wall rock-socketed wall forming system comprises a pile frame, a power assembly, a drill rod and a drilling tool, wherein the power assembly drives the drilling tool through the drill rod; the method is characterized in that: the drilling tool is a cluster down-the-hole hammer and comprises a carrier and a plurality of down-the-hole hammers arranged on the carrier, the projection area of the carrier is rectangular, the width of the projection area is the same as the width of the continuous wall grooving, and the down-the-hole hammers are distributed in a matrix manner.
2. A continuous wall rock-socketed wall forming system as claimed in claim 1, wherein: the carrier comprises a fixing mechanism, an air pressure chamber arranged at the top of the fixing mechanism, a dust collecting chamber arranged on the air pressure chamber and an anti-bending plate arranged on the dust collecting chamber, and the drill rod is connected with the anti-bending plate; the down-the-hole hammer is arranged in the fixing mechanism, the upper end of the down-the-hole hammer penetrates through the air pressure chamber and extends into the dust collecting chamber, the bottom of the down-the-hole hammer is provided with a working part, the working part is provided with an air outlet, the air pressure chamber is connected with the air outlet through an air pipe, the center of the down-the-hole hammer is provided with a gas collecting hole, and the gas collecting hole is communicated with the dust collecting chamber; the dust collecting device is characterized in that a dust collecting pipe is arranged in the drill rod, a gap is formed between the dust collecting pipe and the drill rod, the lower end of the dust collecting pipe is communicated with the dust collecting chamber, and the upper end of the dust collecting pipe is connected with a dust collecting device through a leading-out pipe.
3. A continuous wall rock-socketed wall forming system as claimed in claim 2, wherein: the drill rod is connected with the bending-resistant plate through a connecting mechanism, the connecting mechanism comprises a hexagonal butt joint positioned at the top of the drilling tool, and the lower end of the drill rod is provided with a hexagonal butt joint hole matched with the hexagonal butt joint.
4. A continuous wall rock-socketed wall forming system as claimed in claim 1, wherein: the fixing mechanism comprises an upper connecting body and a lower connecting body; the upper connecting body comprises a first top plate and a first enclosing plate, the first enclosing plate encloses a first accommodating cavity, and a first reinforcing plate is arranged in the first accommodating cavity; the lower connecting body comprises a second bottom plate and a second enclosing plate, the second enclosing plate encloses a second accommodating cavity, a second reinforcing plate is arranged in the second accommodating cavity, and the lower end of the first enclosing plate is connected with the upper end of the second enclosing plate through a bolt; the down-the-hole hammer sequentially penetrates through the second bottom plate, the second reinforcing plate, the first reinforcing plate and the first top plate.
5. A rock-socketed wall forming method for a continuous wall is characterized by comprising the following steps:
(1) sequentially operating and continuously grooving by using a cluster down-the-hole hammer; the cluster down-the-hole hammer comprises a carrier and a plurality of down-the-hole hammers arranged on the carrier, wherein the projection area of the carrier is rectangular, the width of the projection area is the same as the width of a continuous wall grooving, and the down-the-hole hammers are distributed in a matrix manner;
(2) and placing a reinforcement cage and pouring concrete into the groove.
6. A method for forming a wall by embedding rock into a continuous wall as claimed in claim 5, wherein: the carrier comprises a fixing mechanism, an air pressure chamber arranged at the top of the fixing mechanism, a dust collecting chamber arranged on the air pressure chamber and an anti-bending plate arranged on the dust collecting chamber, and the drill rod is connected with the anti-bending plate; the down-the-hole hammer is arranged in the fixing mechanism, the upper end of the down-the-hole hammer penetrates through the air pressure chamber and extends into the dust collecting chamber, the bottom of the down-the-hole hammer is provided with a working part, the working part is provided with an air outlet, the air pressure chamber is connected with the air outlet through an air pipe, the center of the down-the-hole hammer is provided with a gas collecting hole, and the gas collecting hole is communicated with the dust collecting chamber; the dust collecting device is characterized in that a dust collecting pipe is arranged in the drill rod, a gap is formed between the dust collecting pipe and the drill rod, the lower end of the dust collecting pipe is communicated with the dust collecting chamber, and the upper end of the dust collecting pipe is connected with a dust collecting device through a leading-out pipe.
7. A method for forming a wall by embedding rock into a continuous wall as claimed in claim 6, wherein: the drill rod is connected with the bending-resistant plate through a connecting mechanism, the connecting mechanism comprises a hexagonal butt joint positioned at the top of the drilling tool, and the lower end of the drill rod is provided with a hexagonal butt joint hole matched with the hexagonal butt joint.
8. A method for forming a wall by embedding rock into a continuous wall as claimed in claim 5, wherein: the fixing mechanism comprises an upper connecting body and a lower connecting body; the upper connecting body comprises a first top plate and a first enclosing plate, the first enclosing plate encloses a first accommodating cavity, and a first reinforcing plate is arranged in the first accommodating cavity; the lower connecting body comprises a second bottom plate and a second enclosing plate, the second enclosing plate encloses a second accommodating cavity, a second reinforcing plate is arranged in the second accommodating cavity, and the lower end of the first enclosing plate is connected with the upper end of the second enclosing plate through a bolt; the down-the-hole hammer sequentially penetrates through the second bottom plate, the second reinforcing plate, the first reinforcing plate and the first top plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010442883.7A CN111550179A (en) | 2020-05-22 | 2020-05-22 | Rock-socketed wall forming system and method for continuous wall |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010442883.7A CN111550179A (en) | 2020-05-22 | 2020-05-22 | Rock-socketed wall forming system and method for continuous wall |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111550179A true CN111550179A (en) | 2020-08-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010442883.7A Pending CN111550179A (en) | 2020-05-22 | 2020-05-22 | Rock-socketed wall forming system and method for continuous wall |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112196460A (en) * | 2020-09-08 | 2021-01-08 | 李新形 | Underground continuous wall down-the-hole hammer grooving machine and using method thereof |
| RU2815398C1 (en) * | 2020-09-08 | 2024-03-14 | Синьсин ЛИ | Trencher with downhole pneumatic hammers for wall in soil and method of its application |
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|---|---|---|---|---|
| US4637476A (en) * | 1985-04-09 | 1987-01-20 | Institut Gornogo Dela Sibirskogo Otdelenia Akademii Nauk Sssr | Percussive action machine for making holes in the ground |
| CN101949261A (en) * | 2010-09-30 | 2011-01-19 | 湖南山河智能机械股份有限公司 | Combined down-the-hole hammer and construction method thereof |
| CN203201460U (en) * | 2013-02-28 | 2013-09-18 | 杨忠财 | Binding type down-the-hole hammer |
| CN203296725U (en) * | 2013-03-27 | 2013-11-20 | 中国水利水电第七工程局成都水电建设工程有限公司 | Through type DTH hammer reverse circulation drilling dust collecting device |
| CN204327177U (en) * | 2014-11-26 | 2015-05-13 | 中煤科工集团西安研究院有限公司 | A kind of vehicle-mounted mine emergency rescue lifting appliance being suitable for large diameter borehole |
| CN104895500A (en) * | 2015-05-28 | 2015-09-09 | 山东中瑞工程机械有限公司 | Drill bit for cluster type down-hole hammer |
| CN207879247U (en) * | 2018-02-08 | 2018-09-18 | 佘翀 | It combines reducing and sprays Pump breath countercirculate boundling down-hole hammer |
| CN209369720U (en) * | 2018-12-29 | 2019-09-10 | 徐州雷曼机械科技有限公司 | Cluster type down-hole hammer |
| CN110886579A (en) * | 2019-12-20 | 2020-03-17 | 上海工程机械厂有限公司 | Continuous wall down-the-hole hammer drilling tool |
-
2020
- 2020-05-22 CN CN202010442883.7A patent/CN111550179A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4637476A (en) * | 1985-04-09 | 1987-01-20 | Institut Gornogo Dela Sibirskogo Otdelenia Akademii Nauk Sssr | Percussive action machine for making holes in the ground |
| CN101949261A (en) * | 2010-09-30 | 2011-01-19 | 湖南山河智能机械股份有限公司 | Combined down-the-hole hammer and construction method thereof |
| CN203201460U (en) * | 2013-02-28 | 2013-09-18 | 杨忠财 | Binding type down-the-hole hammer |
| CN203296725U (en) * | 2013-03-27 | 2013-11-20 | 中国水利水电第七工程局成都水电建设工程有限公司 | Through type DTH hammer reverse circulation drilling dust collecting device |
| CN204327177U (en) * | 2014-11-26 | 2015-05-13 | 中煤科工集团西安研究院有限公司 | A kind of vehicle-mounted mine emergency rescue lifting appliance being suitable for large diameter borehole |
| CN104895500A (en) * | 2015-05-28 | 2015-09-09 | 山东中瑞工程机械有限公司 | Drill bit for cluster type down-hole hammer |
| CN207879247U (en) * | 2018-02-08 | 2018-09-18 | 佘翀 | It combines reducing and sprays Pump breath countercirculate boundling down-hole hammer |
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| CN110886579A (en) * | 2019-12-20 | 2020-03-17 | 上海工程机械厂有限公司 | Continuous wall down-the-hole hammer drilling tool |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112196460A (en) * | 2020-09-08 | 2021-01-08 | 李新形 | Underground continuous wall down-the-hole hammer grooving machine and using method thereof |
| WO2022052796A1 (en) * | 2020-09-08 | 2022-03-17 | 李新形 | Diaphragm wall down-the-hole hammer trenching machine and use method thereof |
| CN112196460B (en) * | 2020-09-08 | 2023-10-27 | 李新形 | Underground diaphragm wall down-the-hole hammer grooving machine and use method thereof |
| RU2815398C1 (en) * | 2020-09-08 | 2024-03-14 | Синьсин ЛИ | Trencher with downhole pneumatic hammers for wall in soil and method of its application |
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Application publication date: 20200818 |
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