CN112177528B - Construction method for clearing underground obstacles by utilizing full-slewing drilling machine - Google Patents
Construction method for clearing underground obstacles by utilizing full-slewing drilling machine Download PDFInfo
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- CN112177528B CN112177528B CN202010849925.9A CN202010849925A CN112177528B CN 112177528 B CN112177528 B CN 112177528B CN 202010849925 A CN202010849925 A CN 202010849925A CN 112177528 B CN112177528 B CN 112177528B
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- steel sleeve
- full
- alloy cutter
- driving device
- grab bucket
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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
- E21B7/20—Driving or forcing casings or pipes into boreholes, e.g. sinking; Simultaneously drilling and casing boreholes
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D13/00—Accessories for placing or removing piles or bulkheads, e.g. noise attenuating chambers
- E02D13/08—Removing obstacles
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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
- E21B10/00—Drill bits
- E21B10/42—Rotary drag type drill bits with teeth, blades or like cutting elements, e.g. fork-type bits, fish tail bits
- E21B10/43—Rotary drag type drill bits with teeth, blades or like cutting elements, e.g. fork-type bits, fish tail bits characterised by the arrangement of teeth or other cutting elements
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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
- E21B10/00—Drill bits
- E21B10/46—Drill bits characterised by wear resisting parts, e.g. diamond inserts
- E21B10/54—Drill bits characterised by wear resisting parts, e.g. diamond inserts the bit being of the rotary drag type, e.g. fork-type bits
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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
- E21B3/00—Rotary drilling
Abstract
The invention discloses a construction method for clearing underground obstacles by using a full-slewing drilling machine, which comprises the steps of installing a full-slewing driving device on a constructed concrete guide wall, taking a first steel sleeve and a second steel sleeve with different diameters and a grab bucket device, driving the first steel sleeve to cut an old concrete structure by using the slewing driving device, cutting the cut old concrete structure into cylindrical concrete blocks again inside the first steel sleeve by using the second steel sleeve, and then grabbing the cylindrical concrete blocks by using the grab bucket device. According to the invention, the underground barrier with the alloy cutter teeth on the first steel sleeve and the second steel sleeve is cut, so that a certain gap is generated between the cut barrier and the side wall of the first steel sleeve, the grab bucket device is more favorable for grabbing and transporting the cut barrier, the disturbance to the underground soil body and the influence on peripheral buildings when the hydraulic grab bucket is used for breaking and grabbing construction in the traditional method are avoided, and meanwhile, the working efficiency is greatly improved.
Description
Technical Field
The invention relates to the technical field of foundation and foundation engineering construction, in particular to a construction method for clearing underground obstacles by using a full-rotation drilling machine.
Background
With the continuous development of economy in China, projects such as construction re-development projects, old city district transformation and underground maintenance structures of large and medium-sized cities are increased continuously, obstacles such as old concrete structures and old pile foundations which are remained underground are often removed, the underground obstacles become troublesome problems of underground pile foundation construction, construction progress and quality of projects are directly influenced, construction for removing the underground obstacles is particularly important, and obstacle removing work mainly aims at the problems of cutting and clearing of the underground obstacles. For the problems, a general method is that a full-slewing drilling machine is used for driving a steel sleeve to directly cut the obstacle, the hydraulic grab bucket is used for clearing the obstacle after the obstacle is broken, the steel sleeve cuts the obstacle at a low speed, and when the hydraulic grab bucket breaks the obstacle, the influence on soil and surrounding buildings is large. Therefore, in order to eliminate the problems in the engineering construction, a full-slewing drilling machine obstacle clearing construction method is researched to quickly and accurately clear underground obstacles, accelerate the engineering construction progress and improve the engineering construction quality.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: the construction method for removing the underground obstacles by using the full-slewing drilling machine is provided, and the problem that when the traditional hydraulic grab bucket is used for removing the obstacles, the influence on soil and surrounding buildings is large is solved.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows:
a construction method for clearing underground obstacles by using a full-slewing drilling machine comprises the steps of installing a full-slewing driving device on a constructed concrete guide wall, taking a first steel sleeve, fixing alloy cutter teeth below the first steel sleeve, welding a titanium alloy cutter head on one end, away from the first steel sleeve, of the alloy cutter teeth, hoisting the first steel sleeve by using a hoisting device to be installed on the full-slewing driving device so as to drive the titanium alloy cutter head below the steel sleeve to drill into a soil body, hoisting the hoisting device by using a crawler crane until the first steel sleeve is drilled to a preset depth, taking a second steel sleeve, fixing the alloy cutter teeth below the second steel sleeve, welding a titanium alloy cutter head on one end, away from the second steel sleeve, of the alloy cutter teeth, hoisting the second steel sleeve by using a hoisting device to penetrate through the inside of the first steel sleeve and installing the full-slewing driving device, driving the full-slewing driving device to drive the titanium alloy cutter head below the second steel sleeve to drill into the soil body, located in the first steel sleeve, and placing the first steel sleeve in the soil body Processing an annular groove between the wall and the soil body, detaching the second steel sleeve from the rotary driving device, taking out the second steel sleeve through the lifting device, taking another grab bucket device, placing the grab bucket device in the annular groove through the lifting device, clamping and transporting the soil body in the annular groove out of the first steel sleeve, driving the first steel sleeve to drill into the soil body by the full rotary driving device, wherein a residual old concrete structure is arranged in the soil body at a drilling position, when the steel sleeve is drilled into the old concrete structure, cutting the old concrete structure by using a titanium alloy tool bit welded at the top of an alloy cutter tooth, cutting through to ensure that the first steel sleeve is drilled to a preset depth, driving the second steel sleeve to drill to the bottom of the old concrete structure by the full rotary driving device, cutting the old concrete structure into cylindrical concrete blocks with the diameter smaller than that of the first steel sleeve in the first steel sleeve, pulling out the second steel sleeve, and enabling the cylindrical concrete blocks and the side wall of the first steel sleeve to generate an annular groove, namely forming a certain gap, the grab bucket device is used for grabbing and transporting the cylindrical concrete block to the ground in a gap between the cylindrical concrete block and the first steel sleeve in a deep mode, the cleared concrete block is stacked in a certain quantity and then is timely transported outwards, the grab bucket device comprises at least two grab tools, the middle part of each grab tool is connected with the corresponding rotating connector through a rotating shaft, one end of each grab tool is clamped on the outer wall of the cylindrical concrete block, the other end of each grab tool is connected with the lifting and moving device through a steel wire rope, and the other end of each grab tool clamps the outer wall of the cylindrical concrete block after the steel wire rope is tensioned.
A plurality of first mounting holes are formed in one end, connected with the first steel sleeve, of the alloy cutter tooth, a plurality of second mounting holes matched with the first mounting holes are formed in the first steel sleeve, and the alloy cutter tooth is fixed to the first steel sleeve through a high-strength bolt penetrating through the first mounting holes and the second mounting holes.
After the full-rotation driving device is installed, the parallelism between the full-rotation driving device and the installation surface of the concrete guide wall is adjusted, so that the center line of the full-rotation driving device is perpendicular to the installation surface of the concrete guide wall.
The outer diameter of the second steel sleeve is smaller than the inner diameter of the first steel sleeve.
The maximum grabbing diameter of the grab bucket device is equal to the inner diameter of the second steel sleeve.
The thickness of the grab bucket device is smaller than that of the annular groove.
The invention has the beneficial effects that:
1. according to the invention, the alloy cutter teeth are fixed below the first steel sleeve and the second steel sleeve, and the titanium alloy cutter head is welded at the top of the alloy cutter teeth, so that the problem that the speed of directly cutting the underground obstacle by the steel sleeve is low in such engineering is solved, and the titanium alloy cutter head welded at the top of the alloy cutter teeth can be used for quickly and effectively cutting the underground hard obstacle.
2. According to the invention, the steel sleeves with different diameters and specially-made alloy cutter teeth, namely the first steel sleeve and the second steel sleeve, are used for cutting the underground obstacle, so that a certain gap is generated between the cut obstacle and the side wall of the first steel sleeve, the grab bucket device can grab the cut obstacle, the disturbance of the underground soil body and the influence on peripheral buildings during the breaking and grabbing construction by using the hydraulic grab bucket in the traditional method are avoided, and meanwhile, the working efficiency is greatly improved.
3. According to the invention, the grab bucket device penetrates into a gap between the cut barrier and the steel sleeve to grab and transport the barrier to the ground at one time, so that the cleaning and transporting efficiency is improved, and the construction period is shortened.
Drawings
FIG. 1 is a schematic representation of the operation of a first steel casing and a second steel casing in accordance with the present invention.
FIG. 2 is an enlarged partial schematic view of a first steel casing and a second steel casing according to the present invention.
FIG. 3 is a schematic structural view of an alloy cutter tooth according to the present invention.
Fig. 4 is a schematic diagram of the operation of the grab bucket device for grabbing obstacles.
Graphic notation: 1. the concrete guide wall comprises a full-rotation driving device, 2, a concrete guide wall, 3, a first steel sleeve, 4, alloy cutter teeth, 5, a titanium alloy cutter head, 6, a first mounting hole, 7, a high-strength bolt, 8, a second mounting hole, 9, an old concrete structure, 10, a second steel sleeve, 11, a cylindrical concrete block, 12 and a grab bucket device.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
A construction method for clearing underground obstacles by using a full-circle slewing drilling machine comprises the steps of installing a full-circle slewing driving device 1 on a constructed concrete guide wall 2, adjusting the parallelism between the full-circle slewing driving device and the installation surface of the concrete guide wall 2 after the full-circle slewing driving device 1 is installed to ensure that the center line of the full-circle slewing driving device is perpendicular to the installation surface of the concrete guide wall, installing a first steel sleeve 3, fixing an alloy cutter tooth 4 below the first steel sleeve 3, welding a titanium alloy cutter head 5 on one end of the alloy cutter tooth far away from the first steel sleeve, hoisting and installing the first steel sleeve 3 on the full-circle slewing driving device 1 through a hoisting device to drive the titanium alloy cutter head below the first steel sleeve 3 to drill into an old concrete structure 9, adopting a crawler crane by the hoisting device until the first steel sleeve is drilled to a preset depth, taking a second steel sleeve 10, wherein the outer diameter of the second steel sleeve 10 is smaller than the inner diameter of the first steel sleeve 3, an alloy cutter tooth 4 is fixed below a second steel sleeve, a titanium alloy cutter head 5 is welded at one end of the alloy cutter tooth 4 far away from the second steel sleeve, a plurality of first mounting holes 6 are formed at one end of the alloy cutter tooth 4 connected with the second steel sleeve, a plurality of second mounting holes matched with the first mounting holes are formed in the second steel sleeve, the alloy cutter tooth is fixed on the second steel sleeve by penetrating through the first mounting holes and the second mounting holes 8 through high-strength bolts 7, the alloy cutter tooth 4 and the first steel sleeve adopt the same mounting process, a second steel sleeve 10 is lifted by a lifting device to penetrate through the inside of the first steel sleeve 3 and is mounted on a full-rotation driving device 1, the full-rotation driving device 1 drives the titanium alloy drilling cutter head below the second steel sleeve 10 to be positioned in an old concrete structure 9 in the first steel sleeve 3 to form a cylindrical concrete block 11, an annular groove is processed between the inner wall of the first steel sleeve and the cylindrical concrete block 11, the second steel sleeve is taken out through the hoisting device after being detached from the rotary driving device, another grab bucket device is taken out, the grab bucket device is arranged in the annular groove through the hoisting device and clamps and transports the soil body in the annular groove out of the first steel sleeve 3, the first steel sleeve is driven by the full rotary driving device to drill the soil body, a residual old concrete structure is arranged in the soil body at the drilling position, when the steel sleeve is drilled to the old concrete structure, the old concrete structure is cut by a titanium alloy cutter head welded at the top of the alloy cutter teeth, the first steel sleeve is cut to a preset depth, the second steel sleeve 10 is driven by the full rotary driving device to drill to the bottom of the old concrete structure, the old concrete structure is cut into a cylindrical concrete block 11 with the diameter smaller than that of the first steel sleeve in the first steel sleeve 3, the second steel sleeve 10 is pulled out, and the annular groove is formed between the cylindrical concrete block and the side wall of the first steel sleeve to form a certain gap, utilize grab bucket device 12 to go deep into in the gap between cylinder concrete piece and the first steel casing pipe with the grab transportation of cylinder concrete piece to ground, the concrete piece of cleaing away stacks in time arranging outward transportation after a certain amount, grab bucket device includes two at least grippers, the thickness of the gripper of grab bucket device is less than the thickness of annular groove, the mid portion of gripper rotates the connector through the pivot and is in the same place, the one end clamp of gripper is established on cylinder concrete piece outer wall, the other end of gripper passes through wire rope and hangs the device that moves and be connected, the other end clamp of gripper presss from both sides tight cylinder concrete piece outer wall after taut wire rope.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. A construction method for clearing underground obstacles by using a full-slewing drilling machine is characterized by comprising the following steps: the method comprises the steps of installing a full-rotation driving device on a constructed concrete guide wall, taking a first steel sleeve, fixing an alloy cutter tooth below the first steel sleeve, welding a titanium alloy cutter head on one end, far away from the first steel sleeve, of the alloy cutter tooth, hoisting and installing the first steel sleeve on the full-rotation driving device through a hoisting and moving device to drive the titanium alloy cutter head below the steel sleeve to drill into the soil until the first steel sleeve is drilled to a preset depth, taking a second steel sleeve, fixing the alloy cutter tooth below the second steel sleeve, welding the titanium alloy cutter head on one end, far away from the second steel sleeve, of the alloy cutter tooth, hoisting and penetrating the second steel sleeve into the first steel sleeve through the hoisting and moving device and installing the second steel sleeve on the full-rotation driving device, driving the full-rotation driving device to drive the titanium alloy cutter head below the second steel sleeve to drill into the soil positioned in the first steel sleeve, machining an annular groove between the inner wall of the first steel sleeve and the soil, and unloading the second steel sleeve from the rotary driving device, taking out the second steel sleeve through the hoisting and moving device, taking another grab bucket device, placing the grab bucket device in the annular groove through the hoisting and moving device, and clamping and transporting soil in the annular groove out of the first steel sleeve.
2. The construction method for clearing the underground obstacle by using the full slewing drilling machine as claimed in claim 1, wherein: a plurality of first mounting holes are formed in one end, connected with the first steel sleeve, of the alloy cutter tooth, a plurality of second mounting holes matched with the first mounting holes are formed in the first steel sleeve, and the alloy cutter tooth is fixed to the first steel sleeve through a high-strength bolt penetrating through the first mounting holes and the second mounting holes.
3. The construction method for clearing the underground obstacle by using the full slewing drilling machine as claimed in claim 1, wherein: after the full-rotation driving device is installed, the parallelism between the full-rotation driving device and the installation surface of the concrete guide wall is adjusted, so that the center line of the full-rotation driving device is perpendicular to the installation surface of the concrete guide wall.
4. The construction method for clearing the underground obstacle by using the full slewing drilling machine as claimed in claim 1, wherein: the outer diameter of the second steel sleeve is smaller than the inner diameter of the first steel sleeve.
5. The construction method for clearing the underground obstacle by using the full slewing drilling machine as claimed in claim 1, wherein: the maximum grabbing diameter of the grab bucket device is equal to the inner diameter of the second steel sleeve.
6. The construction method for clearing the underground obstacle by using the full slewing drilling machine as claimed in claim 1, wherein: the thickness of the grab bucket device is smaller than that of the annular groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010849925.9A CN112177528B (en) | 2020-08-21 | 2020-08-21 | Construction method for clearing underground obstacles by utilizing full-slewing drilling machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010849925.9A CN112177528B (en) | 2020-08-21 | 2020-08-21 | Construction method for clearing underground obstacles by utilizing full-slewing drilling machine |
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| Publication Number | Publication Date |
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| CN112177528A CN112177528A (en) | 2021-01-05 |
| CN112177528B true CN112177528B (en) | 2022-05-13 |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113404043A (en) * | 2021-05-24 | 2021-09-17 | 中煤江南建设发展集团有限公司 | Construction method of full-rotation full-casing drilling machine suitable for karst cave geology |
| CN113653052A (en) * | 2021-09-02 | 2021-11-16 | 上海建工四建集团有限公司 | Obstacle clearing construction method for large-diameter underground steel-concrete composite structure |
| CN114215474B (en) * | 2021-11-03 | 2023-09-15 | 江苏无锡二建建设集团有限公司 | Barrier removing construction process of full rotary drilling machine |
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| CN101761083A (en) * | 2008-12-24 | 2010-06-30 | 上海市基础工程公司 | Underground continuous wall obstacle clearing construction method for traversing ultra-thick obstacle |
| JP3181064U (en) * | 2012-11-06 | 2013-01-24 | 博 小野寺 | Obstacle removal casing |
| CN105274984A (en) * | 2014-06-05 | 2016-01-27 | 中天建设集团有限公司 | Double-casing-pipe full-circle-swinging erect column pile construction method |
| CN105297730A (en) * | 2015-10-30 | 2016-02-03 | 中国建筑第八工程局有限公司 | Multi-functional pile pulling sleeve and pile pulling construction method adopting multi-functional pile pulling sleeve |
| CN207727581U (en) * | 2017-09-30 | 2018-08-14 | 上海城地建设股份有限公司 | A kind of full-sleeve obstacle cleaning machine |
-
2020
- 2020-08-21 CN CN202010849925.9A patent/CN112177528B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101761083A (en) * | 2008-12-24 | 2010-06-30 | 上海市基础工程公司 | Underground continuous wall obstacle clearing construction method for traversing ultra-thick obstacle |
| JP3181064U (en) * | 2012-11-06 | 2013-01-24 | 博 小野寺 | Obstacle removal casing |
| CN105274984A (en) * | 2014-06-05 | 2016-01-27 | 中天建设集团有限公司 | Double-casing-pipe full-circle-swinging erect column pile construction method |
| CN105297730A (en) * | 2015-10-30 | 2016-02-03 | 中国建筑第八工程局有限公司 | Multi-functional pile pulling sleeve and pile pulling construction method adopting multi-functional pile pulling sleeve |
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| CN112177528A (en) | 2021-01-05 |
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