CN114622553A - Defect bored concrete pile maintenance processing method - Google Patents
Defect bored concrete pile maintenance processing method Download PDFInfo
- Publication number
- CN114622553A CN114622553A CN202210284088.9A CN202210284088A CN114622553A CN 114622553 A CN114622553 A CN 114622553A CN 202210284088 A CN202210284088 A CN 202210284088A CN 114622553 A CN114622553 A CN 114622553A
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- drill bit
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- place pile
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- treating
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- 230000007547 defect Effects 0.000 title description 4
- 238000003672 processing method Methods 0.000 title description 3
- 238000012423 maintenance Methods 0.000 title description 2
- 238000000034 method Methods 0.000 claims abstract description 46
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 42
- 230000002950 deficient Effects 0.000 claims abstract description 35
- 238000005498 polishing Methods 0.000 claims abstract description 31
- 238000010276 construction Methods 0.000 claims abstract description 24
- 230000008569 process Effects 0.000 claims abstract description 17
- 238000005507 spraying Methods 0.000 claims abstract description 11
- 238000005553 drilling Methods 0.000 claims abstract description 5
- 238000003825 pressing Methods 0.000 claims abstract description 4
- 230000007246 mechanism Effects 0.000 claims description 19
- 239000007921 spray Substances 0.000 claims description 11
- 238000013016 damping Methods 0.000 claims description 8
- 230000000087 stabilizing effect Effects 0.000 claims description 7
- 238000011282 treatment Methods 0.000 claims description 4
- 238000005452 bending Methods 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims description 3
- 238000002360 preparation method Methods 0.000 claims description 3
- 230000000630 rising effect Effects 0.000 claims description 3
- 230000009286 beneficial effect Effects 0.000 claims 1
- 230000003028 elevating effect Effects 0.000 claims 1
- 238000007517 polishing process Methods 0.000 abstract description 5
- 238000003754 machining Methods 0.000 description 3
- 238000001514 detection method Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 238000011418 maintenance treatment Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
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Classifications
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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
- E02D5/22—Piles
- E02D5/64—Repairing piles
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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
- E02D5/22—Piles
- E02D5/34—Concrete or concrete-like piles cast in position ; Apparatus for making same
Abstract
The invention discloses a method for maintaining and treating a defective cast-in-place pile, which relates to the field of cast-in-place piles and comprises the following construction steps: s1: pressing the ground around the filling pile to be horizontal through a soil-shifting device, and then moving the device to a position close to the filling pile through a machine for placement; s2: assembling the device, lifting and righting the top end of the device, and measuring the distance between the drill bit and the center of the cast-in-place pile through a measuring instrument; s3: the distance of the drill bit from the ground is adjusted by controlling the hydraulic rod; s4: starting a motor, and driving a drill bit to polish the defective cast-in-place pile through the motor; s5: in the polishing process, the bottom of the cast-in-place pile is subjected to memorial water spraying softening through a water spraying pump; s6: polishing and flattening the drilled hole by a polishing blade in the drilling process; s7: after the hole is punched, the fixing box is driven to ascend through the hydraulic rod, the drill bit is lifted, and grinding residues are partially taken out for processing.
Description
Technical Field
The invention relates to the field of cast-in-place piles, in particular to a method for maintaining and treating a defective cast-in-place pile.
Background
As a mature building form, the cast-in-situ bored pile has the advantages of simple construction process, mature technology, easy quality detection and the like, and is widely applied to construction of various bridge pile foundations.
The existing cast-in-place pile has defects after being processed due to misoperation in construction, and the defective cast-in-place pile needs to be crushed and processed again through the assistance of mechanical equipment.
Aiming at the problems, the invention provides a method for repairing and treating a defective cast-in-place pile.
Disclosure of Invention
The invention aims to provide a method for maintaining and treating a defective cast-in-place pile, thereby solving the problems in the background art.
In order to achieve the purpose, the invention provides the following technical scheme: the maintenance treatment method of the defective cast-in-place pile comprises the following treatment methods;
s1: pressing the ground around the filling pile to be horizontal through a soil-shifting device, and then moving the device to a position close to the filling pile through a machine for placement;
s2: assembling the device, lifting and righting the top end of the device, and measuring the distance between the drill bit and the center of the cast-in-place pile through a measuring instrument;
s3: the distance of the drill bit from the ground is adjusted by controlling the hydraulic rod;
s4: starting a motor, and driving a drill bit to polish the defective cast-in-place pile through the motor;
s5: in the polishing process, the bottom of the cast-in-place pile is softened by recording water spraying through a water spraying pump;
s6: polishing and flattening the drilled hole by a polishing blade in the drilling process;
s7: after the hole is punched, the fixing box is driven to ascend through the hydraulic rod, the drill bit is lifted, and grinding residues are partially taken out for processing.
Further, regarding the step S5, the setting of the rotating shaft includes the following implementation steps:
s501: storing prepared water into a sealed water chamber inside a rotating shaft in advance;
s502: polishing the cast-in-place pile by the first blade and the second blade while the rotating shaft drives the drill bit to rotate;
s503: when the drill bit rotates, water stored in the sealed water chamber is pumped by the water spraying pump to spray water to soften the bottom of the cast-in-place pile, and construction is accelerated.
Further, regarding the step S7, the setting of the drill bit includes the following steps:
s701: while the drill bit punches the cast-in-place pile, the punched part of the cast-in-place pile is polished by a polishing blade;
s702: opening a limiting plate along the bending angle of the first blade and the second blade by the polished part of residues;
s703: after polishing, the residue is accumulated above the drill bit and cannot fall off due to the stop of the limiting plate, the hydraulic rod is started to lift upwards, and the hydraulic rod is kept to stably lift up through the stabilizing mechanism in the lifting process, and is moved out of the drilled hole for subsequent treatment.
Furthermore, the device is arranged and constructed with the following cautions:
1): during installation, the flatness of the ground is required to be noticed, and the placement positions of the supporting legs are noticed;
2): during preparation construction, the position of the drill bit and the central point of the cast-in-place pile must be aligned;
3): after construction, the lifting mechanism must be controlled to slowly rise, so that the residues above the drill bit cannot fall off.
Further, drill bit mechanism is including fixed box, and the lower extreme internal surface of fixed box movably is connected with the motor, and the upper end surface intermediate position fixedly connected with telescopic link of motor, the surface sliding connection of telescopic link have damping spring, the even fixedly connected with balancing pole of the upper end surface border position of motor, the surface sliding connection of balancing pole has expanding spring.
Furthermore, the output end of the motor is fixedly connected with a rotating shaft, a sealed water chamber is formed in the rotating shaft and the drill bit, and a water spray pump is fixedly connected to the lower end of the inner surface of the drill bit.
Furthermore, the outer surface of the fixing box is movably connected with a lifting mechanism, the outer surface of the fixing box is uniformly and rotatably connected with connecting legs, the lower end positions of the outer surfaces of the connecting legs are slidably connected with supporting legs, and hydraulic rods are fixedly connected between the connecting legs and the supporting legs.
Further, stabilizing mean includes the slip ring, and slip ring sliding connection is in the surface upper end position of pivot, and the surface intermediate position of slip ring evenly rotates and is connected with flexible post, and the one end that slip ring was kept away from to flexible post rotates and connects in the surface lower extreme position of connecting the leg.
Further, drill bit mechanism includes the drill bit, the even fixedly connected with second blade of the surface lower extreme of drill bit, and the surface of drill bit is close to the even fixedly connected with first blade of upper end position upper end.
Further, the polishing blades are fixedly connected to the upper end of the outer surface of the drill bit, leakage grooves are formed between two adjacent sets of polishing blades, and the limiting plates are rotatably connected to two sides of the upper end of the outer surface of each polishing blade.
The invention provides a method for maintaining and treating a defective filling pile, which comprises the steps of adjusting the periphery of the defective filling pile to be in a flat state by a bulldozing device when the device is used, then placing a supporting leg around the defective filling pile, then measuring the center of a drill bit by a level gauge through adjusting the position of the supporting leg, aligning the center of the defective filling pile with the center of the defective filling pile, then starting a motor, driving a rotating shaft to rotate by the motor, driving the drill bit to rotate by the rotating shaft, drilling the defective filling pile by a first blade and a second blade on the outer surface of the drill bit, reducing vibration generated by the drill bit through a telescopic rod and a damping spring in the processing process, reducing damage received by the drill bit in the construction process as much as possible, then polishing the inner surface of the hole by a polishing blade, leaving part of residues after polishing above the drill bit, and supporting the residues by a limiting plate, the bottom that can be interrupted at the in-process of polishing through the water jet pump to the bored concrete pile sprays water softly for going on of construction, after a stage of construction, starts the inside that drives the drill bit and leave the bored concrete pile through the hydraulic stem, processes once more after clearing up the residue.
Drawings
FIG. 1 is a schematic view of a connection structure of a method for repairing and treating a defective cast-in-place pile according to the present invention;
FIG. 2 is a schematic view of a polishing process flow of the method for repairing and treating a defective cast-in-place pile according to the present invention;
FIG. 3 is a schematic view of the completion process of the method for repairing and treating a defective cast-in-place pile according to the present invention;
FIG. 4 is a schematic view of the construction considerations of the method for repairing and treating a defective cast-in-place pile according to the present invention;
FIG. 5 is a schematic view of a three-dimensional connection structure of the method for repairing and treating a defective cast-in-place pile according to the present invention;
FIG. 6 is a schematic view of a placement and connection structure of the method for repairing and treating a defective cast-in-place pile according to the present invention;
FIG. 7 is a schematic view of a three-dimensional connection structure of a drill bit according to the method for repairing and treating a defective cast-in-place pile of the present invention;
fig. 8 is a schematic view of a cross-sectional connection structure of a front view of the defective cast-in-place pile repair processing method of the present invention.
In the figure: 1. a drill bit mechanism; 101. a fixing box; 1011. a telescopic rod; 1012. a damping spring; 1013. A balancing pole; 1014. a tension spring; 102. a motor; 103. a rotating shaft; 1031. sealing the water chamber; 1302. A water jet pump; 2. a lifting mechanism; 201. a connecting leg; 202. supporting legs; 203. a hydraulic rod; 3. a stabilizing mechanism; 301. a sliding ring; 302. a telescopic column; 4. a drill bit mechanism; 401. a drill bit; 4011. a first blade; 4012. a second blade; 402. grinding the blade; 403. a leak groove; 404. and a limiting plate.
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.
The same or similar reference numerals in the drawings of the present embodiment correspond to the same or similar components; in the description of the present invention, it should be understood that if there is an orientation or positional relationship indicated by the terms "upper", "lower", "left", "right", etc. based on the orientation or positional relationship shown in the drawings, it is only for convenience of describing the present invention and simplifying the description, but it is not intended to indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore, the terms describing the positional relationship in the drawings are only used for illustrative purposes and are not to be construed as limiting the present patent, and the specific meaning of the terms may be understood by those skilled in the art according to specific circumstances.
Referring to fig. 1-8, preferred embodiments of the present invention are shown.
Referring to fig. 1-8, a method for repairing and treating a defective cast-in-place pile includes the following steps;
the method comprises the following steps: pressing the ground around the filling pile to be horizontal through a soil-shifting device, and then moving the device to a position close to the filling pile through a machine for placement;
step two: assembling the device, lifting and righting the top end of the device, and measuring the distance between the drill bit 401 and the center of the cast-in-place pile through a measuring instrument;
step three: the distance of the drill bit 401 from the ground is adjusted by controlling the hydraulic rod 203;
step four: starting a motor, and driving a drill 401 to polish the defective cast-in-place pile through the motor 102;
step five: in the grinding process, the bottom of the cast-in-place pile is subjected to recorded water spraying softening through a water spraying pump 1302;
step six: polishing and flattening the drilled hole by a polishing blade 402 in the drilling process;
step seven: after the hole is punched, the fixed box 101 is driven to ascend through the hydraulic rod 203, the drill bit 401 is lifted, and part of grinding residues are brought out for processing.
In the step S5, the setting of the rotating shaft 103 includes the following steps:
s501: storing prepared water into a sealed water chamber 1031 inside the rotating shaft 103 in advance;
s502: while the rotating shaft 103 drives the drill bit 401 to rotate, the cast-in-place pile is polished by the first blade 4011 and the second blade 4012;
s503: when the drill bit 401 rotates, the water stored in the sealed water chamber 1031 is pumped by the water spray pump 1302 to spray water and soften the bottom of the cast-in-place pile, which helps to speed up the construction.
In the above step S7, the setting of the drill bit 401 includes the following steps:
s701: while the drill bit 401 drills the cast-in-place pile, the drilled part of the cast-in-place pile is ground through the grinding blade 402;
s702: the part of the polished residues open the limiting plate 404 along the bending angle of the first blade 4011 and the second blade 4022;
s703: the residues after polishing are accumulated above the drill bit 401, are prevented from falling off by a limiting plate 404, rise upwards along with the starting of the hydraulic rod 203, are kept stably rising by the stabilizing mechanism 3 in the rising process, and are moved out of the drilled hole for subsequent treatment.
The device is arranged and constructed according to the following cautions:
1: during installation, the ground is required to be flat, and the placement position of the support legs 202 is required to be noticed;
2: during preparation for construction, the position of the drill bit 401 and the center point of the cast-in-place pile must be aligned;
3: after the construction is finished, the lifting mechanism 2 must be controlled to slowly rise, so that the residues above the drill bit 401 cannot fall.
Referring to fig. 1-6 and 8, the drill bit mechanism 1 includes a fixed box 101, a motor 102 is movably connected to an inner surface of a lower end of the fixed box 101, an expansion rod 1011 is fixedly connected to a middle position of an outer surface of an upper end of the motor 102, a damping spring 1012 is slidably connected to an outer surface of the expansion rod 1011, a balance bar 1013 is uniformly and fixedly connected to an edge position of the outer surface of the upper end of the motor 102, an expansion spring 1014 is slidably connected to an outer surface of the balance bar 1013, and vibrations generated by the drill bit 401 are damped by the expansion rod 1011 and the damping spring 1012 in the machining process.
Referring to fig. 1-6 and 8, the output end of the motor 102 is fixedly connected with the rotating shaft 103, the rotating shaft 103 and the drill bit 401 are internally provided with a sealed water chamber 1301, the lower end of the inner surface of the drill bit 401 is fixedly connected with a water spray pump 1302, and the water spray pump 1302 is used for discontinuously spraying water to soften the bottom of the cast-in-place pile in the polishing process, so as to accelerate the construction.
Referring to fig. 1-6 and 8, the outer surface of the fixing box 101 is movably connected with a lifting mechanism 2, the outer surface of the fixing box 101 is uniformly and rotatably connected with a connecting leg 201, the lower end of the outer surface of the connecting leg 201 is slidably connected with a supporting leg 2, a hydraulic rod 203 is fixedly connected between the connecting leg 201 and the supporting leg 202, the supporting leg 202 is placed around the defective bored concrete pile, then the position of the supporting leg 202 is adjusted, and a drill bit 401 is driven to leave the inside of the bored concrete pile by starting the hydraulic rod 203.
Referring to fig. 1-6 and 8, the stabilizing mechanism 3 includes a sliding ring 301, the sliding ring 301 is slidably connected to the upper end of the outer surface of the rotating shaft 103, the middle position of the outer surface of the sliding ring 301 is uniformly and rotatably connected to a telescopic column 302, one end of the telescopic column 302 far away from the sliding ring 301 is rotatably connected to the lower end of the outer surface of the connecting leg 201, and the stability of the structure operation can be maintained by the cooperation of the sliding ring 301 and the telescopic column 302.
Please refer to fig. 1-8. The drill bit mechanism 4 comprises a drill bit 401, a second blade 4012 is uniformly and fixedly connected to the lower end of the outer surface of the drill bit 401, a first blade 4011 is uniformly and fixedly connected to the upper end of the outer surface of the drill bit 401, the upper end of the outer surface of the drill bit 401 is close to the upper end, the drill bit 401 is driven to rotate through a rotating shaft 103, and the defect cast-in-place pile is drilled through the first blade 4011 and the second blade 4012 on the outer surface of the drill bit 401.
Referring to fig. 1 to 8, the polishing blades 402 are fixedly connected to the upper end of the outer surface of the drill bit 401, a leak groove 403 is formed between two adjacent sets of polishing blades 402, the limiting plate 404 is rotatably connected to two sides of the upper end of the outer surface of the polishing blades 402, the inner surface of the hole is polished by the polishing blades 402, a part of the polished residues is left above the drill bit 401, and the residues are carried out of the cast-in-place pile through the support of the limiting plate 404.
In summary, the following steps: when the device is used, the periphery of a defective filling pile needs to be adjusted to be in a flat state through a bulldozer, then the supporting leg 202 is placed around the defective filling pile, then the position of the supporting leg 202 is adjusted, the center of the drill bit 401 is aligned to the center of the defective filling pile through a level meter, then the motor 102 is started, the motor 102 drives the rotating shaft 103 to rotate, the drill bit 401 is driven to rotate through the rotating shaft 103, the defective filling pile is drilled through the first blade 4011 and the second blade 4012 on the outer surface of the drill bit 401, vibration generated by the drill bit 401 is reduced through the telescopic rod 1011 and the damping spring 1012 in the machining process, damage to the drill bit 401 in the construction process is reduced as much as possible, then the inner surface of the hole is polished through the polishing blade 402, a part of polished residues are left above the drill bit 401 and are supported and taken out of the filling pile through the limiting plate 404, the bottom of the bored concrete pile that can be interrupted at the in-process of polishing through water jet pump 1302 carries out the water spray and softens for going on of construction, after a stage of construction, starts the inside that drives drill bit 401 and leave the bored concrete pile through hydraulic stem 203, processes once more after clearing up the residue.
1. When the device is used, the periphery of the defective cast-in-place pile needs to be adjusted to be in a flat state through a bulldozer, then the supporting legs 202 are placed around the defective cast-in-place pile, then the position of the supporting legs 202 is adjusted, the center of the drill bit 401 is measured through the level gauge and is aligned to the center of the defective cast-in-place pile, then the motor 102 is started, the motor 102 drives the rotating shaft 103 to rotate, the drill bit 401 is driven to rotate through the rotating shaft 103, the defective cast-in-place pile is drilled through the first blade 4011 and the second blade 4012 on the outer surface of the drill bit 401, vibration generated by the drill bit 401 is reduced through the telescopic rod 1011 and the damping spring 1012 in the machining process, and damage to the drill bit 401 in the construction process is reduced as much as possible.
2. According to the method for repairing and treating the defective cast-in-place pile, the inner surface of the hole is polished by the polishing blade 402, a part of polished residues is left above the drill bit 401 and supported by the limiting plate 404, the bottom of the cast-in-place pile is discontinuously sprayed with water by the water spraying pump 1302 in the polishing process to be softened, the construction is accelerated, after one construction stage, the hydraulic rod 203 is started to drive the drill bit 401 to leave the interior of the cast-in-place pile, and the residues are machined again after being cleaned.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. The method for maintaining and treating the defected cast-in-place pile is characterized by comprising the following steps of;
s1: pressing the ground around the filling pile to be horizontal through a soil-shifting device, and then moving the device to a position close to the filling pile through a machine for placement;
s2: assembling the device, lifting and righting the top end of the device, and measuring the distance between the drill bit (401) and the center of the cast-in-place pile through a measuring instrument;
s3: the distance of the drill bit (401) from the ground is adjusted by controlling the hydraulic rod (203);
s4: starting a motor, and driving a drill bit (401) to polish the defective cast-in-place pile through the motor (102);
s5: performing recording water spraying softening on the bottom of the cast-in-place pile by a water spraying pump (1302) in the grinding process;
s6: polishing and flattening the drilled hole by a polishing blade (402) in the drilling process;
s7: after the hole is drilled, the hydraulic rod (203) drives the fixing box (101) to ascend, the drill bit (401) is lifted, and grinding residues are brought out to be processed.
2. The method for repairing and treating the defected cast-in-place pile according to claim 1, wherein: in the step S5, the setting of the rotating shaft (103) includes the following steps:
s501: the prepared water is stored in a sealed water chamber (1031) in the rotating shaft (103) in advance;
s502: polishing the cast-in-place pile through a first blade (4011) and a second blade (4012) while a drill bit (401) is driven to rotate by a rotating shaft (103);
s503: when the drill bit (401) rotates, the water stored in the sealed water chamber (1031) is pumped by the water spray pump (1302) to spray water and soften the bottom of the cast-in-place pile, which is beneficial to accelerating construction.
3. The method for repairing and treating the defected cast-in-place pile according to claim 1, wherein: in the step S7, the setting of the drill bit (401) includes the following steps:
s701: while a drill bit (401) drills the cast-in-place pile, a grinding blade (402) is used for grinding the punched part of the cast-in-place pile;
s702: opening a limiting plate (404) along the bending angle of the first blade (4011) and the second blade (4022) by the ground partial residues;
s703: after polishing, the residue is accumulated above the drill bit (401), is blocked by a limiting plate (404) and cannot fall off, rises upwards along with the start of the hydraulic rod (203), and is stably lifted by a stabilizing mechanism (3) in the rising process, and is moved out of a drilled hole for subsequent treatment.
4. The method for repairing and treating the defected cast-in-place pile according to claim 1, wherein: the device is arranged and constructed according to the following cautions:
1): during installation, the ground is required to be leveled, and the placement position of the support leg (202) is required to be noticed;
2): during preparation of construction, the position of a drill bit (401) and the central point of the cast-in-place pile is required to be aligned;
3): after construction, the lifting mechanism (2) must be controlled to slowly rise, so that residues above the drill bit (401) cannot fall.
5. The method for repairing and treating the defected cast-in-place pile according to claim 1, wherein: drill bit mechanism (1) is including fixed box (101), and the lower extreme internal surface of fixed box (101) is movably connected with motor (102), and the upper end surface intermediate position fixedly connected with telescopic link (1011) of motor (102), the surface sliding connection of telescopic link (1011) have damping spring (1012), the even fixedly connected with balancing pole (1013) of the upper end surface border position of motor (102), the surface sliding connection of balancing pole (1013) has expanding spring (1014).
6. The method for repairing and treating the defected cast-in-place pile according to claim 1, wherein: the output end of the motor (102) is fixedly connected with a rotating shaft (103), a sealed water chamber (1301) is formed in the rotating shaft (103) and the drill bit (401), and a water spray pump (1302) is fixedly connected to the lower end of the inner surface of the drill bit (401).
7. The method for repairing and treating the defected cast-in-place pile according to claim 1, wherein: the outer surface swing joint of fixed box (101) has elevating system (2), and the surface of fixed box (101) is even to be rotated and is connected with connecting leg (201), and the surface lower extreme position sliding connection of connecting leg (201) has supporting leg (2), fixedly connected with hydraulic stem (203) between connecting leg (201) and supporting leg (202).
8. The method for repairing and treating the defected cast-in-place pile according to claim 1, wherein: stabilizing mean (3) are including slip ring (301), and slip ring (301) sliding connection is in the surface upper end position of pivot (103), and the surface intermediate position of slip ring (301) evenly rotates and is connected with flexible post (302), and the one end rotation that slip ring (301) was kept away from in flexible post (302) is connected in the surface lower extreme position of connecting leg (201).
9. The method for repairing and treating the defected cast-in-place pile according to claim 1, wherein: drill bit mechanism (4) include drill bit (401), the even fixedly connected with second blade (4012) of surface lower extreme of drill bit (401), and the surface of drill bit (401) is close to the even fixedly connected with first blade (4011) of upper end position upper end.
10. The method for repairing and treating the defected cast-in-place pile according to claim 1, wherein: the polishing blades (402) are fixedly connected to the upper end of the outer surface of the drill bit (401), leakage grooves (403) are formed between two adjacent sets of polishing blades (402), and the limiting plates (402) are rotatably connected with the positions on two sides of the upper end of the outer surface of each polishing blade (402).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210284088.9A CN114622553A (en) | 2022-03-22 | 2022-03-22 | Defect bored concrete pile maintenance processing method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210284088.9A CN114622553A (en) | 2022-03-22 | 2022-03-22 | Defect bored concrete pile maintenance processing method |
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| CN114622553A true CN114622553A (en) | 2022-06-14 |
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| CN202210284088.9A Pending CN114622553A (en) | 2022-03-22 | 2022-03-22 | Defect bored concrete pile maintenance processing method |
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Application publication date: 20220614 |