CN115288139B - Mud hole cleaning system for cast-in-place pile construction - Google Patents
Mud hole cleaning system for cast-in-place pile construction Download PDFInfo
- Publication number
- CN115288139B CN115288139B CN202210925223.3A CN202210925223A CN115288139B CN 115288139 B CN115288139 B CN 115288139B CN 202210925223 A CN202210925223 A CN 202210925223A CN 115288139 B CN115288139 B CN 115288139B
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- Prior art keywords
- mud
- slurry
- tank
- drill rod
- opening
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- 238000004140 cleaning Methods 0.000 title claims abstract description 16
- 238000010276 construction Methods 0.000 title claims abstract description 16
- 238000004062 sedimentation Methods 0.000 claims abstract description 33
- 239000002002 slurry Substances 0.000 claims description 46
- 238000001914 filtration Methods 0.000 claims description 7
- 230000002093 peripheral effect Effects 0.000 claims description 6
- 239000013049 sediment Substances 0.000 claims description 4
- 239000004567 concrete Substances 0.000 claims description 3
- 238000011065 in-situ storage Methods 0.000 abstract description 3
- 239000004576 sand Substances 0.000 description 10
- 239000004575 stone Substances 0.000 description 9
- 238000005516 engineering process Methods 0.000 description 7
- 238000005119 centrifugation Methods 0.000 description 4
- 238000005553 drilling Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 2
- 235000017491 Bambusa tulda Nutrition 0.000 description 2
- 241001330002 Bambuseae Species 0.000 description 2
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 2
- 239000011425 bamboo Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
Classifications
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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
-
- 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
- E02D5/22—Piles
- E02D5/34—Concrete or concrete-like piles cast in position ; Apparatus for making same
-
- 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
-
- 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
Abstract
A mud hole cleaning system for cast-in-situ pile construction comprises a bracket, a driving device, a sedimentation tank, a mud pump, a drill rod, pile holes, a centrifugal module and a platform; the support is arranged on the platform, the driving device is arranged on the support, the driving device can drive the drill rod to rotate, the drill rod is hollow, the mud pump pumps mud in the mud tank into the drill rod, an opening is formed in the lower end of the drill rod, mud is output from the opening to enter the pile hole, a centrifugal module is arranged on the drill rod, the centrifugal module performs centrifugal operation on the mud when the mud in the pile hole is filled, part of the mud after the centrifugal operation enters the mud tank through a mud tank opening, part of the mud enters the sedimentation tank through a sedimentation tank opening, the sedimentation tank is communicated with the mud tank, and the mud precipitated by the sedimentation tank flows into the mud tank.
Description
Technical Field
The invention relates to the field of cast-in-place piles and piling, in particular to a mud hole cleaning system for cast-in-place pile construction.
Background
Cast-in-place piles are piles made by casting concrete or reinforced concrete into holes in place. The process comprises the following steps: driving a steel pipe casing, drilling holes, clearing mud holes, pouring concrete and the like. The technology is widely applied to land, bridge, underwater, seabed and other environments, and the matched technology is slightly different under the condition of the same basic principle when different technologies are applied.
In actual practice, there are the following problems:
1. when the mud hole cleaning process is carried out in the prior art, the matched device comprises a sedimentation tank and a mud tank, mud precipitated in the sedimentation tank enters the mud tank to continue the next process, however, sedimentation is needed in the sedimentation tank for a period of time, and the factors of sedimentation time can lead to untimely mud circulation.
2. In the prior art, a mud and sand centrifugation technology exists for centrifuging sand and stones in slurry to the far end, but the technology only exists, and the technology for treating the far-end sand and stones after centrifugation does not exist, so that the sand and stones are separated from the slurry.
3. In the process of sand-stone slurry separation, the sediment separation structure can influence the flow of slurry, and also can generate space interference on the original centrifugal equipment such as blades, and no solution exists yet.
4. The centrifugal blade in the prior art only plays roles of stirring and centrifugation, and has no more functions of guiding, filtering and the like.
5. When the prior art drills, after the drill rod size is selected, the centrifugal device is detachably connected to the corresponding position on the drill rod, but errors exist after the drilling is completed, so that the centrifugal device and the mud discharge hole cannot be accurately corresponding to each other.
6. When a plurality of pipelines are connected on one main body in the prior art, one pipeline is adjusted, all the pipelines are required to be adjusted together, and debugging and maintenance are more troublesome.
Disclosure of Invention
In order to overcome the above problems, the present invention proposes a solution to simultaneously solve the above problems.
The technical scheme adopted for solving the technical problems is as follows: a mud hole cleaning system for cast-in-situ pile construction comprises a bracket, a driving device, a sedimentation tank, a mud pump, a drill rod, pile holes, a centrifugal module and a platform; the support is arranged on the platform, the driving device is arranged on the support, the driving device can drive the drill rod to rotate, the interior of the drill rod is hollow, the slurry pump pumps slurry in the slurry tank into the drill rod, an opening is formed in the lower end of the drill rod, slurry is output from the opening to enter a pile hole, a centrifugal module is arranged on the drill rod, the centrifugal module performs centrifugal operation on the slurry when the slurry in the pile hole is filled, a part of the slurry after the centrifugal operation enters the slurry tank through a slurry tank opening, a part of the slurry enters the settling tank through a settling tank opening, the settling tank is communicated with the slurry tank, and the slurry deposited by the settling tank flows into the slurry tank;
the centrifugal module comprises a fixed cylinder, an annular plate, a protruding structure, a connecting cylinder, a connecting cover and blades; the fixed cylinder and the annular plate are integrally arranged, the annular plate is arranged on the outer wall of the fixed cylinder, the platform is provided with a pile hole, the fixed cylinder is arranged in the pile hole, and the annular plate is lapped above the platform; the upper end and the lower end of the connecting cylinder are provided with through holes, blind holes are formed in the outer walls of the connecting cover and the fixed cylinder, the through holes in the lower end of the connecting cylinder are connected with the blind holes in the fixed cylinder through first connecting pieces, and the blind holes in the upper end of the connecting cylinder are connected with the blind holes in the connecting cover through second connecting pieces;
the upper cover plate of the connecting cover is provided with a central hole, the drill rod penetrates through the central hole, the inner peripheral wall of the connecting cover is provided with the protruding structure, the upper end of the protruding structure is connected with the upper cover plate, the peripheral wall of the connecting cover is provided with a sedimentation tank opening at the position located on one side of the protruding structure, and a mud tank opening at the position located on the other side of the protruding structure; the convex structure is provided with a through groove;
the blade comprises a main body part and a head part; one end of the main body part is connected with the drill rod, the other end of the main body part is connected with the head part, and the head part is detachably connected with the main body part; the head can pass through the through slot as the blade rotates, the head including a housing; the shell comprises a cavity, and the shell comprises a rear side plate and an end plate; the rear side plate is provided with a filtering hole for communicating the cavity, and the end plate is provided with a square hole for communicating the cavity;
the connecting cover comprises a left cover and a right cover, wherein a protruding structure, a sediment Chi Kou and a left upper end opening are arranged on the left cover, a mud pool opening and a right upper end opening are arranged on the right cover, the left cover and the right cover are detachably connected, and the left upper end opening and the right upper end opening enclose a central hole.
Preferably, the number of the blind holes is a plurality.
Preferably, the blind holes on the connecting cover and the fixed cylinder are arranged in the vertical direction.
Preferably, the blade is detachably connected with the drill rod.
Preferably, the housing further comprises a front side plate which pushes away mud movement during rotation of the blades.
Preferably, no through hole is arranged on the front side plate.
Preferably, the number of blades is four.
Preferably, the number of the filter holes is plural.
Preferably, the sedimentation tank mouth is connected to the sedimentation tank through a pipeline.
Preferably, the slurry pond opening is connected to the slurry pond through a pipeline.
The beneficial effects of the invention are as follows:
1. the 1 st point to the background art proposes has set up centrifugal device on the drilling rod, centrifugal device is with sand and stone centrifugation to the distal end to discharge to the sedimentation tank through the sedimentation tank export, thereby mud behind the centrifugal sand and stone is discharged to the mud tank through the mud tank export and can in time use, and sand and stone concentration in the sedimentation tank is higher than prior art in addition, and the effect of once sedimentation is the same with the effect of many times sedimentation among the prior art, thereby greatly increased clear hole efficiency.
2. The 2 nd point that proposes to the background art has set up protruding structure inside the junction cap, and protruding structure one side is equipped with sedimentation tank export, opposite side is equipped with the mud pit export, the side of one side is the angle design with the axis of sedimentation tank export to better keep off the gravel and sand into the sedimentation tank export.
3. The 3 rd point proposed to the background art has offered logical groove in the inside of protruding structure, and the blade can rotate through logical groove to avoid interfering, and the design of logical groove also allows the mud flow in bigger space, avoids protruding structure excessively to invade the flow space.
4. The 4 th point that proposes to the background art, the design of logical groove can actually lead to some sand and stone to obtain effectually blockking, however the blade divide into two parts, and part is basic function main part, and part is functional module portion, and functional module portion includes end plate and curb plate, and the curb plate is the perforated plate, and when the blade gets into in the logical groove, the perforated plate can replace the realization to block the effect of sand and stone, has compensatied the defect that leads to the groove design, has seted up the through-hole on the end plate in addition, after the blade passes through the groove, the mud inflow mud pond export in the functional module portion can be led to the through-hole, has also avoided the blade too much to invade the flow space.
5. To the 5 th point of background art, all be equipped with a plurality of blind holes on fixed section of thick bamboo, the connection lid, both ends are equipped with the through-hole about the adjustment section of thick bamboo, can be through the height of connecting the last export of lid of connection between through-hole and the different blind holes to the position of centrifugal device on the adaptation drilling rod.
6. Aiming at the 6 th point of the background technology, the connecting cover is arranged to be left and right butt joint covers, so that the slurry tank pipeline is convenient to detach and maintain, for example, without moving.
Note that: the above designs are not sequential, each of which provides a distinct and significant advance over the prior art.
Drawings
The invention will be further described with reference to the drawings and examples.
FIG. 1 is a schematic view of the fitting relationship of the exposed and connecting covers of the drill pipe according to the present invention
FIG. 2 is a schematic top view of a cross section of a connecting cover of the present invention
FIG. 3 is a three-dimensional schematic view of a blade head according to the present invention
FIG. 4 is a three-dimensional schematic view of a rear side panel according to the invention
FIG. 5 is a schematic cross-sectional view of a projection structure according to the present invention
FIG. 6 is a schematic view of the left and right covers of FIG. 2 separated by a separation line
FIG. 7 is a schematic view of the silt inflow sedimentation tank of the present invention
FIG. 8 is a schematic view of the flow of mud between the drill pipe and the mud pit according to the present invention
In the drawings, reference numerals are as follows:
1. platform/ground 2, fixed cylinder 3, annular plate 4, protruding structure 5, connecting cylinder 6, connecting cover 7, drill pipe 8, sedimentation tank mouth 9, mud tank mouth 10, blade 11, main body 12, head 13, through groove 14, side plate 15, end plate 16, square hole 17, filtration hole 18, left cover 19, right cover 20, bracket 21, driving device 22, sedimentation tank 23, mud tank 24, mud pump.
Detailed Description
As shown in the figure: a mud hole cleaning system for cast-in-situ pile construction comprises a bracket, a driving device, a sedimentation tank, a mud pump, a drill rod, pile holes, a centrifugal module and a platform; the support is arranged on the platform, the driving device is arranged on the support, the driving device can drive the drill rod to rotate, the interior of the drill rod is hollow, the slurry pump pumps slurry in the slurry tank into the drill rod, an opening is formed in the lower end of the drill rod, slurry is output from the opening to enter a pile hole, a centrifugal module is arranged on the drill rod, the centrifugal module performs centrifugal operation on the slurry when the slurry in the pile hole is filled, a part of the slurry after the centrifugal operation enters the slurry tank through a slurry tank opening, a part of the slurry enters the settling tank through a settling tank opening, the settling tank is communicated with the slurry tank, and the slurry deposited by the settling tank flows into the slurry tank;
the centrifugal module comprises a fixed cylinder, an annular plate, a protruding structure, a connecting cylinder, a connecting cover and blades; the fixed cylinder and the annular plate are integrally arranged, the annular plate is arranged on the outer wall of the fixed cylinder, the platform is provided with a pile hole, the fixed cylinder is arranged in the pile hole, and the annular plate is lapped above the platform; the upper end and the lower end of the connecting cylinder are provided with through holes, blind holes are formed in the outer walls of the connecting cover and the fixed cylinder, the through holes in the lower end of the connecting cylinder are connected with the blind holes in the fixed cylinder through first connecting pieces, and the blind holes in the upper end of the connecting cylinder are connected with the blind holes in the connecting cover through second connecting pieces;
the upper cover plate of the connecting cover is provided with a central hole, the drill rod penetrates through the central hole, the inner peripheral wall of the connecting cover is provided with the protruding structure, the upper end of the protruding structure is connected with the upper cover plate, the peripheral wall of the connecting cover is provided with a sedimentation tank opening at the position located on one side of the protruding structure, and a mud tank opening at the position located on the other side of the protruding structure; the convex structure is provided with a through groove;
the blade comprises a main body part and a head part; one end of the main body part is connected with the drill rod, the other end of the main body part is connected with the head part, and the head part is detachably connected with the main body part; the head can pass through the through slot as the blade rotates, the head including a housing; the shell comprises a cavity, and the shell comprises a rear side plate and an end plate; the rear side plate is provided with a filtering hole for communicating the cavity, and the end plate is provided with a square hole for communicating the cavity;
the connecting cover comprises a left cover and a right cover, wherein a protruding structure, a sediment Chi Kou and a left upper end opening are arranged on the left cover, a mud pool opening and a right upper end opening are arranged on the right cover, the left cover and the right cover are detachably connected, and the left upper end opening and the right upper end opening enclose a central hole.
As shown in the figure: the number of the blind holes is multiple. The blind holes on the connecting cover and the fixed cylinder are arranged in the vertical direction. The blade is detachably connected with the drill rod. The housing also includes a front side plate that pushes away mud movement during rotation of the blades. The front side plate is not provided with a through hole. The number of the blades is four. The number of the filtering holes is multiple. The sedimentation tank mouth is connected to the sedimentation tank through a pipeline. The mud pit opening is connected to the mud pit through a pipeline.
The foregoing detailed description is directed to embodiments of the invention which are not intended to limit the scope of the invention, but rather to cover all modifications and variations within the scope of the invention.
Claims (10)
1. The utility model provides a clear hole system of mud for bored concrete pile construction which characterized in that: the device comprises a bracket, a driving device, a sedimentation tank, a mud pump, a drill rod, pile holes, a centrifugal module and a platform; the support is arranged on the platform, the driving device is arranged on the support, the driving device can drive the drill rod to rotate, the interior of the drill rod is hollow, the slurry pump pumps slurry in the slurry tank into the drill rod, an opening is formed in the lower end of the drill rod, slurry is output from the opening to enter a pile hole, a centrifugal module is arranged on the drill rod, the centrifugal module performs centrifugal operation on the slurry when the slurry in the pile hole is filled, a part of the slurry after the centrifugal operation enters the slurry tank through a slurry tank opening, a part of the slurry enters the settling tank through a settling tank opening, the settling tank is communicated with the slurry tank, and the slurry deposited by the settling tank flows into the slurry tank;
the centrifugal module comprises a fixed cylinder, an annular plate, a protruding structure, a connecting cylinder, a connecting cover and blades; the fixed cylinder and the annular plate are integrally arranged, the annular plate is arranged on the outer wall of the fixed cylinder, the platform is provided with a pile hole, the fixed cylinder is arranged in the pile hole, and the annular plate is lapped above the platform; the upper end and the lower end of the connecting cylinder are provided with through holes, blind holes are formed in the outer walls of the connecting cover and the fixed cylinder, the through holes in the lower end of the connecting cylinder are connected with the blind holes in the fixed cylinder through first connecting pieces, and the blind holes in the upper end of the connecting cylinder are connected with the blind holes in the connecting cover through second connecting pieces;
the upper cover plate of the connecting cover is provided with a central hole, the drill rod penetrates through the central hole, the inner peripheral wall of the connecting cover is provided with the protruding structure, the upper end of the protruding structure is connected with the upper cover plate, the peripheral wall of the connecting cover is provided with a sedimentation tank opening at the position located on one side of the protruding structure, and a mud tank opening at the position located on the other side of the protruding structure; the convex structure is provided with a through groove;
the blade comprises a main body part and a head part; one end of the main body part is connected with the drill rod, the other end of the main body part is connected with the head part, and the head part is detachably connected with the main body part; the head can pass through the through slot as the blade rotates, the head including a housing; the shell comprises a cavity, and the shell comprises a rear side plate and an end plate; the rear side plate is provided with a filtering hole for communicating the cavity, and the end plate is provided with a square hole for communicating the cavity;
the connecting cover comprises a left cover and a right cover, wherein a protruding structure, a sediment Chi Kou and a left upper end opening are arranged on the left cover, a mud pool opening and a right upper end opening are arranged on the right cover, the left cover and the right cover are detachably connected, and the left upper end opening and the right upper end opening enclose a central hole.
2. A mud hole cleaning system for construction of cast-in-place piles according to claim 1, wherein: the number of the blind holes is multiple.
3. A mud hole cleaning system for construction of cast-in-place piles according to claim 2, wherein: the blind holes on the connecting cover and the fixed cylinder are arranged in the vertical direction.
4. A mud hole cleaning system for construction of cast-in-place piles according to claim 1, wherein: the blade is detachably connected with the drill rod.
5. A mud hole cleaning system for construction of cast-in-place piles according to claim 1, wherein: the housing also includes a front side plate that pushes away mud movement during rotation of the blades.
6. A mud hole cleaning system for construction of cast-in-place piles according to claim 5, wherein: the front side plate is not provided with a through hole.
7. A mud hole cleaning system for construction of cast-in-place piles according to claim 1, wherein: the number of the blades is four.
8. A mud hole cleaning system for construction of cast-in-place piles according to claim 1, wherein: the number of the filtering holes is multiple.
9. A mud hole cleaning system for construction of cast-in-place piles according to claim 1, wherein: the sedimentation tank mouth is connected to the sedimentation tank through a pipeline.
10. A mud hole cleaning system for construction of cast-in-place piles according to claim 1, wherein: the mud pit opening is connected to the mud pit through a pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210925223.3A CN115288139B (en) | 2022-08-03 | 2022-08-03 | Mud hole cleaning system for cast-in-place pile construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210925223.3A CN115288139B (en) | 2022-08-03 | 2022-08-03 | Mud hole cleaning system for cast-in-place pile construction |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115288139A CN115288139A (en) | 2022-11-04 |
| CN115288139B true CN115288139B (en) | 2023-12-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210925223.3A Active CN115288139B (en) | 2022-08-03 | 2022-08-03 | Mud hole cleaning system for cast-in-place pile construction |
Country Status (1)
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|---|---|
| CN (1) | CN115288139B (en) |
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| 桩基础施工新技术专题讲座(十二) 泵吸反循环钻成孔灌注桩;沈保汉;;工程机械与维修(第04期);全文 * |
| 浅谈钻孔灌注桩的清孔要点;闫伟;;科技风(第01期);全文 * |
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