CN113431486A - Rotary drilling rig and rapid grooving construction method for diaphragm wall thereof - Google Patents
Rotary drilling rig and rapid grooving construction method for diaphragm wall thereof Download PDFInfo
- Publication number
- CN113431486A CN113431486A CN202110575187.8A CN202110575187A CN113431486A CN 113431486 A CN113431486 A CN 113431486A CN 202110575187 A CN202110575187 A CN 202110575187A CN 113431486 A CN113431486 A CN 113431486A
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- China
- Prior art keywords
- construction
- lifting arm
- drilling rig
- diaphragm wall
- rotary
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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
- E21B7/00—Special methods or apparatus for drilling
- E21B7/02—Drilling rigs characterized by means for land transport with their own drive, e.g. skid mounting or wheel mounting
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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
-
- 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
- E21B19/00—Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables
- E21B19/08—Apparatus for feeding the rods or cables; Apparatus for increasing or decreasing the pressure on the drilling tool; Apparatus for counterbalancing the weight of the rods
- E21B19/084—Apparatus for feeding the rods or cables; Apparatus for increasing or decreasing the pressure on the drilling tool; Apparatus for counterbalancing the weight of the rods with flexible drawing means, e.g. cables
-
- 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
- E21B3/00—Rotary drilling
- E21B3/02—Surface drives for rotary drilling
-
- 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
- E21B7/00—Special methods or apparatus for drilling
- E21B7/002—Drilling with diversely driven shafts extending into the borehole
Abstract
The invention relates to a rotary drilling rig which comprises a rig body module, a connecting transmission mechanism and a drilling and digging mechanism, wherein the connecting transmission mechanism is connected with a stand and comprises a supporting arm and a lifting arm, the supporting arm is connected with the lifting arm in a sliding mode, the drilling and digging mechanism is installed at the lower end of the connecting transmission mechanism and comprises a hydraulic motor, a reduction gearbox, a rotary sleeve table and three drill bits, and the rotary sleeve table is installed at the lower end of the supporting arm. A rapid grooving construction method for diaphragm walls comprises the following steps: determining the construction position of the diaphragm wall and the construction position of the guide wall; hardening the ground of the construction area; starting grooving construction at the position of the diaphragm wall construction, adopting the rotary drilling rig to carry out drilling construction to reach a footage, then adopting double-wheel milling to carry out construction, carrying out reciprocating circulation until the design depth is reached, and carrying out slag removal treatment on the diaphragm wall groove; putting down a reinforcement cage of the underground diaphragm wall; and (5) pouring concrete. The rotary drilling rig is high in working efficiency, and the construction method for quickly grooving the diaphragm wall can quickly improve the working efficiency of double-wheel milling and greatly reduce the cost.
Description
Technical Field
The invention relates to the technical field of engineering construction, in particular to a rotary drill and a rapid grooving construction method for a diaphragm wall of the rotary drill.
Background
In recent years, the construction of the diaphragm wall in China is rapidly developed, and various trenching machines are carried forward, so that the diaphragm wall is increasingly widely applied to underground engineering, and the diaphragm wall is used as a soil retaining and seepage preventing structure of structures such as an earth dam, a tailing dam, a sluice, a foundation pit enclosure wall and the like, and is very safe and economic. The underground diaphragm wall construction has the characteristics of high work efficiency, short construction period, reliable safety quality and high economic benefit, is very suitable for urban construction, and ensures that the underground diaphragm wall is almost impermeable due to continuous improvement of the construction method. However, when the diaphragm wall is constructed in a composite stratum, a trenching machine is used for grabbing a soft soil layer, and double-wheel milling is needed for construction when the diaphragm wall enters a rock stratum, but the double-wheel milling is high in cost and low in work efficiency.
The rotary drilling is a construction process suitable for hole forming operation in building foundation engineering. The drilling machine is widely used for foundation construction projects such as municipal construction, highway bridges and high-rise buildings, is matched with different drilling tools, and is suitable for the hole forming operation of dry (short spiral) or wet (rotary bucket) and rock strata (core drill). The common rotary drilling rig only has 1 drill bit, and the working efficiency is low during the rapid grooving construction of the diaphragm wall.
Therefore, a rotary drill and a construction method for quickly grooving the underground diaphragm wall thereof are needed to solve the technical problems.
Disclosure of Invention
The invention provides a rotary drilling rig and a rapid grooving construction method for a diaphragm wall thereof, aiming at the technical problems in the prior art.
The technical scheme for solving the technical problems is as follows: the utility model provides a dig brill soon, includes the fuselage module, connects drive mechanism, bores and digs the mechanism, the fuselage module includes caterpillar track, frame, connect drive mechanism with the frame is connected, connect drive mechanism and include support arm, lifing arm, the support arm with lifing arm sliding connection, bore and dig the mechanism and install connect drive mechanism's lower extreme, bore and dig the mechanism and include hydraulic motor, reducing gear box, rotatory cover platform, three drill bit, rotatory cover platform is installed the lower extreme of support arm.
Preferably, in the above rotary drilling rig, the lifting arm is embedded in the rotary sleeve table, a transmission member is installed between the hydraulic motor and the rotary sleeve table, a rotating ring is installed in the rotary sleeve table, the rotating ring is fixedly connected with the lifting arm in the radial direction, the rotating ring is movably connected with the lifting arm in the axial direction, and the transmission member is suitable for driving the rotating ring to rotate.
Preferably, in the above rotary drilling rig, a drill bit mounting seat is installed at the lower end of the lifting arm, three drill bits are installed on the drill bit mounting seat at equal intervals, and the lower end of the lifting arm is rotatably connected with the reduction gearbox.
Preferably, in the rotary drilling rig, the lifting arm is radially movably connected with the drill bit mounting seat, and the lifting arm is axially fixedly connected with the drill bit mounting seat.
Preferably, in the rotary drilling rig, the upper ends of three of the drill bits are provided with transmission gears, direction-changing gears are arranged among the three transmission gears, the transmission gears are meshed with the direction-changing gears, and one of the transmission gears is connected with the reduction gearbox.
Preferably, in the above rotary drilling rig, a support is fixed on the base, the support arm is hinged to the support, and a hydraulic cylinder is installed between the base and the support arm.
Preferably, in the above rotary drilling rig, the upper end of the lifting arm is connected with a steel wire rope, the support arm is provided with a pulley assembly, the pulley assembly is suitable for changing the path of the steel wire rope, the base is provided with a winch, and the other end of the steel wire rope is connected with the winch.
A rapid grooving construction method for diaphragm walls comprises the following steps:
s1: determining the construction position of the diaphragm wall and the construction position of the guide wall;
s2: hardening the ground of the construction area;
s3: beginning grooving construction at the construction position of the diaphragm wall, and specifically comprising the following three steps:
excavating a soft soil layer by using a trenching machine during trenching construction;
after drilling construction is carried out by adopting the rotary drilling rig to reach footage, construction is carried out by adopting a double-wheel milling machine, and the construction is carried out in a reciprocating cycle to reach the design depth;
s4: carrying out slag removal treatment on the diaphragm wall groove;
s5: putting down a reinforcement cage of the underground diaphragm wall;
s6: and (5) pouring concrete.
The invention has the beneficial effects that: according to the rotary drilling rig, the drill bit mounting seat is mounted at the lower end of the lifting arm, the three drill bits are mounted on the drill bit mounting seat, the lower end of the lifting arm is rotatably connected with the reduction gearbox, so that power is transmitted to the reduction gearbox through the rotation of the lifting arm when the hydraulic motor rotates, the transmission gear is mounted at the upper end of each of the three drill bits, one of the transmission gears is connected with the reduction gearbox, and the turning gears are mounted among the three transmission gears to ensure the consistency of the drill bits during rotation, so that the power is transmitted to the three drill bits. Compared with the original rotary drilling rig with only one drill bit, the working efficiency is greatly improved.
According to the rapid grooving construction method for the diaphragm wall, after the grooving construction is completed during construction, a rotary drilling rig is adopted to drill a plurality of holes on a hard rock part, a free face is formed on rock and soil, and then double-wheel milling construction is adopted, so that the working efficiency of double-wheel milling can be rapidly improved, and the cost is greatly reduced.
Drawings
FIG. 1 is a schematic view of the overall structure of a rotary drilling rig according to the present invention;
FIG. 2 is a schematic view of a connection structure of the drilling mechanism and the lifting arm;
FIG. 3 is a schematic view of the drilling mechanism during downward excavation;
FIG. 4 is an enlarged view of a portion of FIG. 1 at A;
FIG. 5 is a schematic view showing a connection relationship between the transmission gear and the direction changing gear.
In the drawings, the components represented by the respective reference numerals are listed below:
1. the drilling and excavating device comprises a base, 2, a caterpillar track, 3, a steel wire rope, 4, a first fixed pulley, 5, a pulley frame, 6, a second fixed pulley, 7, a third fixed pulley, 8, a supporting arm, 9, a lifting arm, 10, a support, 11, a hydraulic cylinder, 12, a sliding rail, 13, a drilling and excavating mechanism, 1301, a drill bit, 1302, a drill bit mounting seat, 1303, a hydraulic motor, 1304, a reduction box, 1305, a transmission gear, 1306, a change gear, 1307 and a rotary sleeve platform.
Detailed Description
The principles and features of this invention are described below in conjunction with the following drawings, which are set forth by way of illustration only and are not intended to limit the scope of the invention.
As shown in fig. 1, the rotary drilling rig comprises a machine body module, a connecting transmission mechanism and a drilling and digging mechanism 13, wherein the machine body module comprises a caterpillar track 2 and a machine base 1. The connecting transmission mechanism is connected with the machine base 1 and comprises a supporting arm 8 and a lifting arm 9, a sliding rail 12 is mounted on the supporting arm 8, and the supporting arm 8 is in sliding connection with the lifting arm 9 through the sliding rail 12. The upper end of the lifting arm 9 is provided with a connecting plate which is movably connected with the lifting arm 9 and is connected with the sliding rail 12 in a sliding way. A support 10 is fixed on the machine base 1, and the support arm 8 is hinged with the support 10. A hydraulic cylinder 11 is arranged between the machine base 1 and the supporting arm 8, and two ends of the hydraulic cylinder 11 are respectively hinged with the machine base and the supporting arm. The hydraulic cylinder 11 is used to change the direction of the support arm 8. The upper end of the lifting arm 9 is connected with a steel wire rope 3, a pulley assembly is mounted on the supporting arm 8 and comprises a first fixed pulley 4, a second fixed pulley 6 and a third fixed pulley 7 which are mounted on a pulley frame 5 at the upper end of the supporting arm 8, and the pulley assembly is suitable for changing the path of the steel wire rope 3. The base 1 is provided with a winch, the other end of the steel wire rope 3 is connected with the winch, and the winch is used for pulling the steel wire rope 3, so that the lifting arm 9 is pulled through the steel wire rope 3.
As shown in fig. 2, 3, 4 and 5, the drilling mechanism 13 is installed at the lower end of the connecting transmission mechanism, the drilling mechanism 13 comprises a hydraulic motor 1303, a reduction box 1304, a rotary sleeve table 1307 and three drill bits 1301, and the rotary sleeve table 1307 is installed at the lower end of the supporting arm 8. The rotating sleeve table 1307 is slidably connected with the slide rail 12. The lifting arm 9 is embedded in the rotary sleeve table 1307, a transmission part is installed between the hydraulic motor 1303 and the rotary sleeve table 1307, a rotating ring is installed in the rotary sleeve table 1307, the rotating ring is fixedly connected with the lifting arm 9 in the radial direction, the rotating ring is movably connected with the lifting arm 9 in the axial direction, and the transmission part is suitable for driving the rotating ring to rotate. The lower end of the lifting arm 9 is provided with a drill mounting seat 1302, three drills 1301 are equidistantly arranged on the drill mounting seat 1302, and the lower end of the lifting arm 9 is rotatably connected with a reduction gearbox 1304. The lifting arm 9 is radially movably connected with the drill mounting seat 1302, and the lifting arm 9 is axially fixedly connected with the drill mounting seat 1302. The upper ends of the three drill bits 1301 are provided with transmission gears 1305, direction changing gears 1306 are arranged among the three transmission gears 1305, the transmission gears 1305 are meshed with the direction changing gears 1306, and one of the transmission gears 1305 is connected with the reduction gearbox 1304.
When the rotary drilling rig is used for drilling, the lifting arm 9 is put down by the winch, tension is not applied to the lifting arm 9, the drill bit 1301 is pressed at a position to be drilled by utilizing the self gravity of the lifting arm 9, the hydraulic motor 1303 is started, the rotating ring inside the rotating sleeve platform 1307 is driven to rotate through the transmission piece, the lifting arm 9 is driven to rotate, when the lifting arm 9 rotates, power is transmitted to the transmission gear 1305 through the reduction box 1304, other transmission gears 1305 and the change gear 1306 are driven to rotate, the change gear 1306 can ensure the rotation directions of the three transmission gears 1305 to be consistent, three drill bits 1301 are synchronously drilled downwards, after drilling is finished, the lifting arm 9 and the drilling mechanism 13 are pulled upwards by pulling the steel wire rope 3 through the winch, the drill bit 1301 is pulled out, and the rotary drilling rig is high in drilling efficiency.
A rapid grooving construction method for diaphragm walls comprises the following steps:
s1: determining the construction position of the diaphragm wall and the construction position of the guide wall;
s2: hardening the ground of the construction area;
s3: beginning grooving construction at the construction position of the diaphragm wall, and specifically comprising the following three steps:
excavating a soft soil layer by using a trenching machine during trenching construction;
after drilling construction is carried out by adopting the rotary drilling rig to reach footage, construction is carried out by adopting a double-wheel milling machine, and the construction is carried out in a reciprocating cycle to reach the design depth;
s4: carrying out slag removal treatment on the diaphragm wall groove;
s5: putting down a reinforcement cage of the underground diaphragm wall;
s6: and (5) pouring concrete.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "left", "right", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation and a specific orientation configuration and operation, and thus, should not be construed as limiting the present invention. Furthermore, "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate member, or they may be connected through two or more elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
While one embodiment of the present invention has been described in detail, the description is only a preferred embodiment of the present invention and should not be taken as limiting the scope of the invention. All equivalent changes and modifications made within the scope of the present invention shall fall within the scope of the present invention.
Claims (8)
1. The utility model provides a dig soon and bore which characterized in that: the drilling and digging device comprises a machine body module, a connecting transmission mechanism and a drilling and digging mechanism (13), wherein the machine body module comprises a caterpillar track (2) and a machine base (1), the connecting transmission mechanism is connected with the machine base (1), the connecting transmission mechanism comprises a supporting arm (8) and a lifting arm (9), the supporting arm (8) is in sliding connection with the lifting arm (9), the drilling and digging mechanism (13) is installed at the lower end of the connecting transmission mechanism, the drilling and digging mechanism (13) comprises a hydraulic motor (1303), a reduction gearbox (1304), a rotary sleeve table (1307) and three drill bits (1301), and the rotary sleeve table (1307) is installed at the lower end of the supporting arm (8).
2. The rotary drilling rig according to claim 1, wherein: the lifting arm (9) is embedded in the rotary sleeve platform (1307), a transmission piece is installed between the hydraulic motor (1303) and the rotary sleeve platform (1307), a rotating ring is installed in the rotary sleeve platform (1307), the rotating ring is fixedly connected with the lifting arm (9) in the radial direction, the rotating ring is movably connected with the lifting arm (9) in the axial direction, and the transmission piece is suitable for driving the rotating ring to rotate.
3. The rotary drilling rig according to claim 2, wherein: the drill bit mounting seat (1302) is installed at the lower end of the lifting arm (9), the three drill bits (1301) are installed on the drill bit mounting seat (1302) at equal intervals, and the lower end of the lifting arm (9) is rotatably connected with the reduction gearbox (1304).
4. The rotary drilling rig according to claim 3, wherein: the lifting arm (9) is radially movably connected with the drill bit mounting seat (1302), and the lifting arm (9) is axially fixedly connected with the drill bit mounting seat (1302).
5. The rotary drilling rig according to claim 3, wherein: the upper ends of the three drill bits (1301) are provided with transmission gears (1305), direction-changing gears (1306) are arranged among the three transmission gears (1305), the transmission gears (1305) are meshed with the direction-changing gears (1306), and one of the transmission gears (1305) is connected with the reduction gearbox (1304).
6. The rotary drilling rig according to claim 1, wherein: the support frame is characterized in that a support (10) is fixed on the machine base (1), the support arm (8) is hinged to the support (10), and a hydraulic cylinder (11) is installed between the machine base (1) and the support arm (8).
7. The rotary drilling rig according to claim 6, wherein: the upper end of the lifting arm (9) is connected with a steel wire rope (3), the supporting arm (8) is provided with a pulley assembly, the pulley assembly is suitable for changing the path of the steel wire rope (3), the base (1) is provided with a winch, and the other end of the steel wire rope (3) is connected with the winch.
8. A rapid grooving construction method for diaphragm walls is characterized in that:
s1: determining the construction position of the diaphragm wall and the construction position of the guide wall;
s2: hardening the ground of the construction area;
s3: beginning grooving construction at the construction position of the diaphragm wall, and specifically comprising the following three steps:
excavating a soft soil layer by using a trenching machine during trenching construction;
after drilling construction is carried out by adopting the rotary drilling rig according to any one of claims 1-7 to reach a footage, construction is carried out by adopting a double-wheel milling machine, and the construction is carried out in a reciprocating cycle to reach a design depth;
s4: carrying out slag removal treatment on the diaphragm wall groove;
s5: putting down a reinforcement cage of the underground diaphragm wall;
s6: and (5) pouring concrete.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110575187.8A CN113431486A (en) | 2021-05-25 | 2021-05-25 | Rotary drilling rig and rapid grooving construction method for diaphragm wall thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110575187.8A CN113431486A (en) | 2021-05-25 | 2021-05-25 | Rotary drilling rig and rapid grooving construction method for diaphragm wall thereof |
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| Publication Number | Publication Date |
|---|---|
| CN113431486A true CN113431486A (en) | 2021-09-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110575187.8A Pending CN113431486A (en) | 2021-05-25 | 2021-05-25 | Rotary drilling rig and rapid grooving construction method for diaphragm wall thereof |
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| CN (1) | CN113431486A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113982478A (en) * | 2021-09-30 | 2022-01-28 | 中铁十六局集团第五工程有限公司 | Rotary drilling rig applied to soft soil construction |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JPH073774A (en) * | 1993-06-21 | 1995-01-06 | Tone Corp | Method and device for multi-shaft drilling |
| CN201693211U (en) * | 2010-05-24 | 2011-01-05 | 大连华锐股份有限公司 | Multi-bit drill |
| CN111101853A (en) * | 2019-12-31 | 2020-05-05 | 中铁二十四局集团有限公司 | Low-clearance sleeve rotary excavating system and method |
| CN112196474A (en) * | 2020-10-14 | 2021-01-08 | 南京集优智库信息技术有限公司 | New-type groover convenient to deep hole operation |
| CN112459714A (en) * | 2020-11-26 | 2021-03-09 | 北京中新基业国际贸易有限公司 | Rotary drilling rig |
| CN112593562A (en) * | 2020-12-03 | 2021-04-02 | 深圳市工勘岩土集团有限公司 | Grooving construction method for annular underground diaphragm wall |
-
2021
- 2021-05-25 CN CN202110575187.8A patent/CN113431486A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH073774A (en) * | 1993-06-21 | 1995-01-06 | Tone Corp | Method and device for multi-shaft drilling |
| CN201693211U (en) * | 2010-05-24 | 2011-01-05 | 大连华锐股份有限公司 | Multi-bit drill |
| CN111101853A (en) * | 2019-12-31 | 2020-05-05 | 中铁二十四局集团有限公司 | Low-clearance sleeve rotary excavating system and method |
| CN112196474A (en) * | 2020-10-14 | 2021-01-08 | 南京集优智库信息技术有限公司 | New-type groover convenient to deep hole operation |
| CN112459714A (en) * | 2020-11-26 | 2021-03-09 | 北京中新基业国际贸易有限公司 | Rotary drilling rig |
| CN112593562A (en) * | 2020-12-03 | 2021-04-02 | 深圳市工勘岩土集团有限公司 | Grooving construction method for annular underground diaphragm wall |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113982478A (en) * | 2021-09-30 | 2022-01-28 | 中铁十六局集团第五工程有限公司 | Rotary drilling rig applied to soft soil construction |
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