CN115772899A - Cast-in-place pile reinforcement cage hole collapse drilling and cleaning device and method - Google Patents
Cast-in-place pile reinforcement cage hole collapse drilling and cleaning device and method Download PDFInfo
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- CN115772899A CN115772899A CN202211599334.6A CN202211599334A CN115772899A CN 115772899 A CN115772899 A CN 115772899A CN 202211599334 A CN202211599334 A CN 202211599334A CN 115772899 A CN115772899 A CN 115772899A
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Abstract
The invention discloses a device and a method for cleaning collapsed hole drilling of a cast-in-place pile reinforcement cage. The backfill soil and the collapsed soil in the reinforcement cage are decomposed and drilled through the tunneling plate and the decomposing plate of the device; meanwhile, the cast-in-place pile reinforcement cage with the hole collapse phenomenon is cleaned through the cleaning structure of the device, so that the hole wall is complete and suitable for continuous casting construction, and the problems of construction progress lag caused by hole collapse of the cast-in-place pile reinforcement cage and hole waste possibly caused by hole collapse are solved.
Description
Technical Field
The invention belongs to the technical field of engineering foundation construction, and particularly relates to a device and a method for cleaning collapsed hole drilling of a bored concrete pile reinforcement cage.
Background
The cast-in-situ bored pile is a pile which is made by forming a pile hole in foundation soil through means of mechanical drilling, steel pipe soil extrusion or manual excavation and the like on an engineering site and placing a reinforcement cage and cast-in-place concrete in the pile hole.
At present, the number of pile foundation projects to be constructed in the project construction process is increasing day by day. Loess stratum drilling bored concrete pile construction, for avoiding the hole common mode of collapsing to allocate dado mud, nevertheless in the work progress, inevitable existence is because of the hole problem that collapses that geology problem or other special conditions caused, especially before the steel reinforcement cage construction is accomplished but not carrying out the cast-in-place concrete, the hole wall condition of collapsing on a large scale takes place, hinder the further construction of drilling bored concrete pile, handle after collapsing the hole to the steel reinforcement cage at present for directly fishing out the drilling with the steel reinforcement cage, but the drilling that leaves like this will form a hole that wastes, arouse a series of problems such as cost increase, progress lag.
Disclosure of Invention
The invention aims to provide a device and a method for cleaning collapsed hole drilling of a bored concrete pile reinforcement cage, which are used for solving the problem of cleaning the collapsed hole before concrete pouring after construction of the reinforcement cage is finished.
In order to solve the problems, the invention adopts the following technical scheme;
the utility model provides a bored concrete pile steel reinforcement cage hole collapse creeps into cleaning device, includes center pin and decomposition board, drilling rod connection structure is installed to center pin one end, and the other end of center pin is connected with a plurality of tunnelling boards, and the decomposition board is installed on the center pin lateral wall, and the decomposition board outside is provided with protective structure, be equipped with on the protective structure lateral wall and clean the structure, all be provided with the pick on tunnelling board and the decomposition board.
Furthermore, one end of each of the plurality of tunneling plates connected with the central shaft is of a conical structure, and the other end of each of the plurality of tunneling plates extends out of the end face of the central shaft.
Further, the transverse length of the decomposing plate is larger than that of the tunneling plate.
Furthermore, a reinforcing rib is arranged between one end of the central shaft provided with the drill rod connecting structure and the protection structure.
Further, clean the structure and include many wire rope, many wire rope interval even welding are on the steel protects a lateral wall.
Furthermore, an included angle of 30 degrees is formed between the steel wire rope and the steel casing.
Furthermore, protective structure adopts the steel to protect a section of thick bamboo, and the steel protects a section of thick bamboo and be both ends open-ended hollow structure, and the outer end of decomposition plate is connected on the steel protects a inside wall.
Furthermore, one end of the plurality of the decomposition plates close to the tunneling plate is of a conical structure.
A method for cleaning collapsed hole drilling of a bored concrete pile reinforcement cage comprises the following steps;
and 2, directly facing one end of the cleaning device provided with the tunneling plate to the soil body in the filling pile reinforcement cage, drilling and decomposing the soil body by using the tunneling plate and the decomposing plate, and cleaning the soil body in the reinforcement cage by using the cleaning structure while drilling until the cleaning work of the soil body in the filling pile reinforcement cage is completed.
Compared with the prior art, the invention has the following beneficial technical effects:
the invention relates to a bored concrete pile reinforcement cage collapsed hole drilling cleaning device, which comprises a central shaft, wherein a drill rod connecting structure is installed at one end of the central shaft, a tunneling plate is installed at the other end of the central shaft, a decomposing plate is installed at the position close to the tunneling plate, a protective structure is arranged on the outer side of the decomposing plate, a cleaning structure is installed on the outer side wall of the protective structure, cutting teeth are arranged on the tunneling plate and the decomposing plate, the device is connected with a drill rod of a construction drilling machine through the drill rod connecting structure to provide power, soil in the collapsed reinforcement cage is drilled and primarily decomposed through the tunneling plate, then secondary tunneling and decomposition are carried out on the drilled hole of the tunneling plate through the decomposing plate, and finally the inside of the reinforcement cage is cleaned through the cleaning structure to finish cleaning the soil in the collapsed reinforcement cage.
Preferably, the connection parts of the tunneling plate, the decomposing plate and the central shaft are all set to be conical structures, so that the strength and the efficiency of the device during drilling are improved.
Preferably, a steel protective cylinder is arranged on the outer side of the decomposition plate and plays a role in protecting the decomposition plate inside.
Preferably, the steel protects the welding on the section of thick bamboo lateral wall and has wire rope, is 30 degrees contained angles between wire rope and the steel protects the section of thick bamboo, is convenient for clean inside the steel reinforcement cage.
The invention relates to a method for cleaning collapsed hole drilling of a filling pile reinforcement cage, which is characterized in that a drill rod connecting structure is connected with a drill rod of a drilling machine during construction, one end of a cleaning device, which is provided with a tunneling plate, is just opposite to a soil body in the filling pile reinforcement cage, the tunneling plate and a decomposition plate are utilized to drill and decompose the soil body, and the cleaning structure cleans the soil body in the reinforcement cage while drilling until the cleaning work of the soil body in the filling pile reinforcement cage is completed; meanwhile, the cast-in-place pile reinforcement cage with the hole collapse phenomenon is cleaned through the cleaning structure of the hole collapse drilling and cleaning device, so that the hole wall is complete and suitable for continuous casting construction, and the problems of construction progress lag caused by hole collapse of the cast-in-place pile reinforcement cage and hole waste possibly caused by hole collapse are solved.
Drawings
Fig. 1 is a structural diagram of a device for cleaning collapsed hole drilling of a bored concrete pile cage according to an embodiment of the present invention.
Fig. 2 is a top view of the collapse hole drilling and cleaning device for the bored concrete pile cage according to the embodiment of the present invention.
In the figure, 1, a drill rod connecting structure; 2. a central shaft; 3. reinforcing ribs; 4. a steel casing; 5. a cleaning structure; 6. a decomposition plate; 7. tunneling a plate; 8. and (4) a reinforcement cage.
Detailed Description
In order to make the technical solutions of the present invention better understood, 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.
As shown in fig. 1-2, the device for cleaning collapsed hole drilling of the bored concrete pile reinforcement cage comprises a central shaft 2, wherein one end of the central shaft 2 is provided with a drill rod connecting structure 1, the other end of the central shaft is connected with a tunneling plate 7, a decomposing plate 6 is further arranged on one side, close to the tunneling plate 7, of the central shaft 2, a protective structure is arranged on the outer side of the decomposing plate 6, a cleaning structure 5 is arranged on the outer side wall of the protective structure, and cutting teeth are arranged on the peripheries of the tunneling plate 7 and the decomposing plate 6.
Specifically, the drilling structure comprises a decomposition plate 6 and a tunneling plate 7, the device drills soil bodies with collapsed holes through the drilling structure, and in the drilling process, the cleaning structure 5 arranged on the protection structure cleans a reinforcement cage 8 and soil bodies at the position of a protection layer to finish drilling and cleaning work after the collapsed holes of the reinforcement cage.
As shown in fig. 1-2, a plurality of digging plates 7 are mounted at the end of the central shaft 2, the joints of the digging plates 7 and the central shaft 2 form a conical structure, so that the strength of the digging plates 7 during drilling is improved, and the other ends of the digging plates 7 extend out of the end face of the central shaft 2, so that the digging plates 7 are firstly contacted with soil to drill during drilling cleaning of the device.
As shown in fig. 1-2, similarly, the decomposition plate 6 is installed on the side wall of the central shaft 2, the decomposition plate 6 is arranged adjacent to the tunneling plate 7, one side of the decomposition plate 6 close to the tunneling plate 7 is also designed to be a conical structure, and meanwhile, the transverse length of the decomposition plate 6 is greater than that of the tunneling plate 7, so that the drilling diameter of the tunneling plate 7 is further enlarged, the cutting teeth on the decomposition plate 6 are densely distributed on the decomposition plate 6, and the conical heads of the cutting teeth cover all directions, thereby performing secondary tunneling and decomposition on soil in the reinforcement cage 8.
As shown in fig. 1-2, the protective structure adopts a steel protective cylinder 4, the steel protective cylinder 4 is a hollow structure with two open ends, the outer side of a decomposition plate 6 is connected to the inner side wall of the steel protective cylinder 4, the decomposition plate 6 is protected, a cleaning structure 5 is welded on the outer side wall of the steel protective cylinder 4, the cleaning structure 5 comprises a plurality of steel wire ropes, the steel wire ropes are uniformly welded on the outer side wall of the steel protective cylinder 4 at intervals, the steel wire ropes are arranged in a quincunx shape and incline to one side of a tunneling plate 7, the included angle between the steel wire ropes and the steel protective cylinder 4 is 30 degrees, and the cleaning structure 5 is mainly used for cleaning the inside of a steel reinforcement cage 8 and a protection wall of a cast-in-place pile.
The invention also relates to a method for cleaning collapsed holes of the filling pile reinforcement cage, which comprises the following steps of when the collapsed holes of the filling pile reinforcement cage occur, completely cleaning;
s1) backfilling collapsed holes by using cement stabilized soil, and backfilling the collapsed holes with collapsed hole walls after the reinforcement cage is lowered by using the cement stabilized soil;
s2) connecting the drill rod connecting structure with a drill rod of a drilling machine, then enabling one end of the cleaning device, which is provided with a tunneling plate, to be opposite to a soil body in the filling pile reinforcement cage, drilling and decomposing the soil body by utilizing the tunneling plate and the decomposing plate, and cleaning the interior of the reinforcement cage and the wall of the filling pile by using the cleaning structure while drilling until the cleaning work of the soil body in the filling pile reinforcement cage is completed;
and S3) after re-tunneling and hole cleaning are completed by using the cleaning device, checking the depth of the pile body, the quality of the protective layer and the like, and performing cast-in-place pile construction again after the pile body is qualified.
While the invention has been described with reference to specific preferred embodiments, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention as defined in the following claims.
Claims (9)
1. The utility model provides a bored concrete pile steel reinforcement cage hole drilling cleaning device that collapses, its characterized in that includes center pin (2) and decomposition board (6), drilling rod connection structure (1) is installed to center pin (2) one end, and the other end of center pin (2) is connected with a plurality of tunnelling boards (7), and decomposition board (6) are installed on center pin (2) lateral wall, and the decomposition board (6) outside is provided with protective structure, be equipped with on the protective structure lateral wall and clean structure (5), all be provided with the pick on tunnelling board (7) and decomposition board (6).
2. A bored concrete pile reinforcement cage hole collapse drilling cleaning device according to claim 1, wherein one end of the plurality of excavation plates (7) connected to the central shaft (2) is of a tapered structure, and the other end of the excavation plates (7) protrudes from the end face of the central shaft (2).
3. A bored concrete pile cage hole collapse drilling cleaning device according to claim 1, wherein the transverse length of said breakdown plate (6) is greater than the transverse length of the excavation plate (7).
4. A device for cleaning the hole collapse drilling of the bored concrete pile reinforcement cage according to claim 1, wherein a reinforcing bar (3) is provided between the end of the central shaft (2) where the drill rod connecting structure (1) is installed and the protective structure.
5. A device for cleaning collapsed hole drilling of a bored concrete pile cage according to claim 1, wherein said cleaning structure (5) comprises a plurality of steel cables welded at regular intervals on the outer side wall of the protective structure.
6. The device for cleaning collapsed hole drilling of a bored pile cage according to claim 5, wherein the angle between the wire rope and the protective structure is 30 °.
7. The cast-in-place pile reinforcement cage hole collapse drilling cleaning device as claimed in claim 1, wherein the protective structure is a steel casing (4), the steel casing (4) is a hollow structure with two open ends, and the outer end of the decomposition plate (6) is connected to the inner side wall of the steel casing (4).
8. A bored concrete pile cage hole collapse drilling and cleaning device according to claim 1, wherein the end of said plurality of breakdown plates (6) adjacent to the entry plate (7) is of a tapered configuration.
9. A method for cleaning a collapsed hole drilling cleaning device of a bored concrete pile reinforcement cage according to claim 1, comprising the following steps;
step 1, connecting a drill rod connecting structure with a drill rod of a drilling machine;
and 2, directly facing one end of the cleaning device provided with the tunneling plate to the soil body in the filling pile reinforcement cage, drilling and decomposing the soil body by using the tunneling plate and the decomposing plate, and cleaning the soil body in the reinforcement cage by using the cleaning structure while drilling until the cleaning work of the soil body in the filling pile reinforcement cage is completed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211599334.6A CN115772899A (en) | 2022-12-12 | 2022-12-12 | Cast-in-place pile reinforcement cage hole collapse drilling and cleaning device and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211599334.6A CN115772899A (en) | 2022-12-12 | 2022-12-12 | Cast-in-place pile reinforcement cage hole collapse drilling and cleaning device and method |
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| Publication Number | Publication Date |
|---|---|
| CN115772899A true CN115772899A (en) | 2023-03-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211599334.6A Pending CN115772899A (en) | 2022-12-12 | 2022-12-12 | Cast-in-place pile reinforcement cage hole collapse drilling and cleaning device and method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117328797A (en) * | 2023-12-01 | 2024-01-02 | 山西八建集团有限公司 | Pile foundation collapse prevention perforating device for pile foundation construction |
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2022
- 2022-12-12 CN CN202211599334.6A patent/CN115772899A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117328797A (en) * | 2023-12-01 | 2024-01-02 | 山西八建集团有限公司 | Pile foundation collapse prevention perforating device for pile foundation construction |
| CN117328797B (en) * | 2023-12-01 | 2024-02-09 | 山西八建集团有限公司 | Pile foundation collapse prevention perforating device for pile foundation construction |
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