CN112459064A - Full casing cast-in-situ bored pile casing correcting device and construction method - Google Patents
Full casing cast-in-situ bored pile casing correcting device and construction method Download PDFInfo
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- CN112459064A CN112459064A CN202011255654.0A CN202011255654A CN112459064A CN 112459064 A CN112459064 A CN 112459064A CN 202011255654 A CN202011255654 A CN 202011255654A CN 112459064 A CN112459064 A CN 112459064A
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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
- E02D13/04—Guide devices; Guide frames
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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
- E02D13/02—Accessories for placing or removing piles or bulkheads, e.g. noise attenuating chambers specially adapted for placing or removing bulkheads
Abstract
The application relates to the field of tubular pile construction equipment, in particular to a protective cylinder correcting device and a construction method for a full-protective-cylinder cast-in-situ bored pile. The correction assembly comprises a same thrust plate, a support block arranged on the base, the thrust plate is arranged at one end of the support block, a thrust oil cylinder is fixed on the base, a connecting groove is formed in a piston rod of the thrust oil cylinder, a clamping groove communicated with the connecting groove is formed in the piston rod, the width of the clamping groove is larger than that of the connecting groove, a slot communicated with the connecting groove is formed in the support block, a clamping groove communicated with the slot is formed in the support block, the width of the clamping groove is larger than that of the slot, a connecting block is clamped in the clamping groove, and the connecting block extends into the. The application has the advantages of reducing the phenomenon of deflection during the installation of the pile casing and improving the effect of pile casing installation precision.
Description
Technical Field
The application relates to the field of tubular pile construction equipment, in particular to a protective cylinder correcting device and a construction method for a full-protective cylinder cast-in-situ bored pile.
Background
The cast-in-situ bored pile is a pile formed by forming a pile hole in foundation soil through mechanical drilling, steel pipe soil extrusion or manual excavation on an engineering site, placing a reinforcement cage and pouring concrete in the pile hole, and can be classified into a immersed tube cast-in-situ pile, a cast-in-situ bored pile and the like according to different hole forming methods.
At present, a guide hole is excavated in a construction site, a pile casing is inserted into the guide hole, the pile casing is buried underground through a vibration hammer, and the depth of the buried pile casing is the same as the length of a cast-in-situ bored pile. The pile hole is dug out by a drilling machine, and slurry is introduced into the pile hole, so that the pressing effect of underground water on the pile hole is reduced. And cleaning the hole, putting the hole into a reinforcement cage, introducing underwater concrete into the reinforcement cage to prepare the full pile casing bored pile, and finally pulling the pile casing out of the pile hole.
In view of the above-mentioned related technologies, the inventor believes that after the pile casing is hoisted into the guide hole by hoisting, the pile casing is deflected when the pile casing is inserted into the ground by the vibration hammer due to different landforms of construction sites and different strengths of the guide hole.
Disclosure of Invention
In order to reduce the phenomenon of deflection during pile casing installation and improve pile casing installation precision, the application provides a pile casing correcting device and a construction method for a full pile casing cast-in-situ bored pile.
On the one hand, the application provides a protect a bored concrete pile casing correcting unit entirely and adopt following technical scheme:
the utility model provides a protect a section of thick bamboo correcting unit entirely that bored concrete pile protects, includes the base, sets up the correction subassembly on the base, be equipped with the removal subassembly that is used for driving the base and removes on the lateral wall of base.
By adopting the technical scheme, the base is used for arranging the correction assembly and the moving assembly; the correcting component is used for correcting the protective cylinder; the moving assembly is used for moving the base. The moving assembly drives the correcting device to move to the edge of the guide hole, the correcting device is kept stable, and a plurality of correcting devices are arranged at the edge of the guide hole. When the protective barrel is lowered, the correction device corrects the protective barrel, and the coaxiality of the protective barrel and the guide hole is improved when the protective barrel is lowered. When the vibration hammer vibrates the pile casing into the ground, the correction device supports the pile casing, the trend of the pile casing deflection is blocked, the verticality between the pile casing and the ground when the pile casing enters the ground is improved, the installation precision of the pile casing is improved, and the phenomenon of the pile casing deflection is reduced.
Optionally, the correction assembly includes a thrust plate and a support block disposed on the base, the thrust plate is disposed at one end of the support block, a guide rail is fixed on the base, the support block is slidably disposed on the guide rail, a thrust cylinder is fixed on the base, a connection groove is disposed on a piston rod of the thrust cylinder, a clamping groove communicated with the connection groove is disposed on the piston rod of the thrust cylinder, the width of the clamping groove is greater than the width of the connection groove, a slot communicated with the connection groove is disposed on the support block, a clamping groove communicated with the slot is disposed on the support block, the width of the clamping groove is greater than the width of the slot, a connecting block is clamped in the clamping groove, and the connecting block extends into the clamping groove.
By adopting the technical scheme, the thrust plate is used for supporting the pile casing; the supporting block is used for supporting the thrust plate; the guide rail is used for guiding the sliding direction of the supporting block; the thrust oil cylinder is used for pushing the sliding block to slide; the connecting block is clamped in the connecting groove, and a piston rod of the thrust oil cylinder is connected with the supporting block. The thrust oil cylinder pushes the supporting block, and the supporting block drives the thrust plate to slide towards the guide hole. And in the descending process of the protecting cylinder, the thrust plate pushes the protecting cylinder to enable the axis of the protecting cylinder to approach to the axis of the guide hole, and the protecting cylinder and the guide hole are coaxial finally. In the process that the pile casing extends downwards into the ground, the thrust plate blocks the inclination trend of the pile casing, and the accuracy of the pile casing in the process of extending into the ground is further improved.
Optionally, a guide plate is fixed at the top end of the thrust plate, and the top end of the guide plate inclines towards the direction close to the thrust oil cylinder.
Through adopting above-mentioned technical scheme, when protecting a decline downwards, because protecting a section of thick bamboo and being through the equipment handling of lifting by crane, the handling in-process protects a section of thick bamboo and exists and rock, protects a section of thick bamboo striking deflector, and the deflector blocks and protects a further rock to leading to protecting a decline direction, further promoting protects the precision when a decline.
Optionally, an adjusting cylinder is arranged on one surface of the thrust plate, which is close to the thrust cylinder, and one end of the adjusting cylinder, which is far away from the thrust plate, is connected with the supporting block.
By adopting the technical scheme, the thrust plate has the deformation trend under the compression of the pile casing, the adjusting oil cylinder supports the thrust plate, the deformation trend of the thrust plate is blocked, the supporting effect of the thrust plate on the adjusting oil cylinder is improved, the deflection of the pile casing when the pile casing is deep into the ground is reduced, and the precision of the pile casing when the pile casing is deep into the ground is improved.
Optionally, a containing cavity is formed in the thrust plate, a limiting baffle is arranged in the containing cavity, a sliding groove is formed in the side wall of the thrust plate, a stop block is fixed on the side wall of the limiting baffle and arranged in the sliding groove, and a sealing plate is arranged at the bottom end of the containing cavity.
Through adopting above-mentioned technical scheme, the full pile casing drilling bored concrete pile protects a correcting unit and stops the back around the bullport, and the supporting shoe slides to the bullport center under thrust cylinder's effect, will seal the board and take out from the spout, and limit baffle slides down along the spout in holding the chamber, and the dog slides to the bottom of spout, stops to hold the intracavity among the limit baffle and drops. When the supporting block slides towards the direction close to the thrust oil cylinder under the driving of the thrust oil cylinder, the limiting baffle is close to the inner wall of the guide hole, and after the limiting baffle is attached to the inner wall of the guide hole, the thrust oil cylinder stops working, so that the thrust plate is quickly positioned.
Optionally, a plurality of protective rollers are horizontally arranged on the thrust plate at intervals.
Through adopting above-mentioned technical scheme, protect a section of thick bamboo to the in-process that the underground deepened, protect a section of thick bamboo lateral wall and thrust plate's surface and produce a large amount of frictions, protect a section of thick bamboo and produce violent wearing and tearing, through setting up the protection roller, when protecting a section of thick bamboo and deepening the underground, protect a section of thick bamboo and drive the protection roller and roll, the wearing and tearing of a section of thick bamboo that significantly reduces protect, the life of extension protecting a section.
Optionally, the base is provided with support legs, the support legs are arranged in a plurality of rows at intervals, each support leg is provided with a support oil cylinder at one end far away from the base, a piston rod of each support oil cylinder is arranged downwards, and a base plate is fixed on the piston rod of each support oil cylinder.
By adopting the technical scheme, the supporting legs are used for connecting the supporting oil cylinder and the base; the supporting oil cylinder is used for supporting the correcting device; the base plate is used for enlarging the contact area between the support oil cylinder and the ground. After the full-pile-casing cast-in-situ bored pile casing correcting device stops around the guide hole, the supporting oil cylinder operates to support the full-pile-casing cast-in-situ bored pile casing correcting device, and the stability of the full-pile-casing cast-in-situ bored pile casing correcting device on the ground is improved.
Optionally, the moving assembly comprises a driving motor fixed on the base and a crawler arranged on the side wall of the base, the crawler is arranged at intervals, and an output shaft of the driving motor is fixedly connected with an input shaft of the crawler.
By adopting the technical scheme, the driving motor is used for driving the crawler belt; the track is used for driving the base to move. The tire is compared to the track, and is stronger to the adaptability on ground, protects a section of thick bamboo correcting unit and can protect a correction of section of thick bamboo in the topography of more differences entirely. And the track has good bearing capacity, when the pile casing oppresses the pile casing correcting device of the full pile casing cast-in-situ bored pile, the track is not easy to damage under the action of huge pressure, and the service life of the pile casing correcting device of the full pile casing cast-in-situ bored pile is prolonged.
On the other hand, the application also provides a construction method of the full casing cast-in-situ bored pile, which comprises the correcting device of the full casing cast-in-situ bored pile casing,
step1, carrying out leveling treatment on the ground, and carrying out lofting on the ground;
step2, drilling a guide hole at a designated position on the ground by using a drilling machine;
step3, arranging a plurality of full casing cast-in-situ pile casing correcting devices on the guide holes, lifting the casings to the positions right above the guide holes by using a crane, lifting the casings vertically downwards, correcting the falling direction of the casings by the plurality of full casing cast-in-situ pile casing correcting devices, and inserting the casings into the guide holes;
step4, inserting the pile casing downwards into the ground by using a vibration hammer, and correcting the moving direction of the pile casing by using a pile casing correcting device of the full pile casing cast-in-situ bored pile in the process of inserting the pile casing into the ground;
step5, drilling a hole in the pile casing by using a drilling machine, and introducing slurry into the pile hole;
step6, cleaning the pile hole by using a vacuum suction dredge;
step7, conveying the reinforcement cage into the pile hole which is cleaned by lifting, and introducing underwater concrete into the pile hole;
and Step8, drawing the pile casing out of the pile hole.
Through adopting above-mentioned technical scheme, ground is leveled the convenience and is lofted the bottom surface, and accomplishes the lofting back, makes things convenient for different equipment to be under construction. Insert the guiding hole with protecting a section of thick bamboo, conveniently carry out preliminary location to protecting a section of thick bamboo, promote the positioning accuracy who protects a section of thick bamboo. The pile hole is cleaned, soil residues in the pile hole are reduced, the soil residues formed in the cast-in-place pile after the cast-in-place pile is cast are reduced, and the strength of the cast-in-place pile is improved.
Optionally, after the guide hole is drilled in Step2, positioning grooves are formed around the guide hole, the positioning grooves are communicated with the guide hole, the width of each positioning groove gradually decreases towards the direction away from the center of the guide hole, and a plurality of positioning grooves are arranged at intervals along the circumferential direction of the guide hole.
Through adopting above-mentioned technical scheme, the setting of constant head tank makes things convenient for a full pile casing cast-in-situ bored concrete pile to protect a correcting unit and fix a position around the bullport.
In summary, the present application includes at least one of the following beneficial technical effects:
1. when the pile casing is deep into the ground, the correction assembly supports the pile casing, and when the pile casing generates a deflection trend, the correction assembly blocks the deflection trend of the pile casing, so that the accuracy of the pile casing when the pile casing is deep into the ground is improved;
2. set up many constant head tanks along the circumferencial direction of bullport, make things convenient for a full pile casing bored concrete pile to protect a correcting unit and fix a position fixedly around the bullport, promote the installation effectiveness of a pile casing.
Drawings
Fig. 1 is a schematic overall structure diagram of an embodiment of the present application.
Fig. 2 is a partially enlarged schematic view at a in fig. 1.
Fig. 3 is a schematic view showing a structure of a thrust plate.
Fig. 4 is a schematic diagram showing the structure of the moving assembly.
Description of reference numerals: 1. a base; 2. a correction component; 21. a thrust plate; 22. a support block; 23. a guide rail; 24. a thrust oil cylinder; 25. adjusting the oil cylinder; 3. a moving assembly; 31. a drive motor; 32. a crawler belt; 4. a slot; 5. a clamping groove; 6. connecting grooves; 7. a card slot; 8. connecting blocks; 9. an accommodating chamber; 10. a limit baffle; 11. a chute; 12. a sealing plate; 13. a stopper; 14. a guide plate; 15. a support leg; 16. a support cylinder; 17. a base plate; 18. and (5) protecting the roller.
Detailed Description
The present application is described in further detail below with reference to figures 1-4.
The embodiment of the application discloses a protect a section of thick bamboo correcting unit entirely to protect a section of thick bamboo drilling bored concrete pile. Referring to fig. 1, the calibrating device for the pile casing of the full casing cast-in-situ bored pile comprises a base 1 and a calibrating component 2 arranged on the base 1, wherein a moving component 3 used for driving the base 1 to move is arranged on the side wall of the base 1. The mobile assembly 3 drives the base 1 and then drives the whole device to move between different guide holes, and when the protective barrel is arranged, the correction assembly 2 guides the protective barrel, and the protective barrel is lifted to be deep into the ground and coaxial with the guide holes.
Referring to fig. 1 and 2, be fixed with guide rail 23 on the base 1, the length direction of guide rail 23 is parallel with the length direction of guide rail 23, correct subassembly 2 including with thrust plate 21, slide and set up supporting shoe 22 on guide rail 23, thrust plate 21 sets up in supporting shoe 22 length direction one end, be fixed with thrust cylinder 24 on the base 1, thrust cylinder 24 has arranged at the interval and has linked, connecting groove 6 that the orientation extended of keeping away from supporting shoe 22 direction is all seted up on the piston rod of every thrust cylinder 24, draw-in groove 7 with connecting groove 6 intercommunication has all been seted up on the piston rod of every thrust cylinder 24, the width of draw-in groove 7 is greater than the width of connecting groove 6. Supporting shoe 22 is close to thrust hydro-cylinder 24 one end and has seted up slot 4, and supporting shoe 22 is close to thrust hydro-cylinder 24 one end and has seted up the joint groove 5 with slot 4 intercommunication, and the width in joint groove 5 is greater than slot 4's width, and joint has connecting block 8 in the joint groove 5, and supporting shoe 22 one end joint is kept away from to connecting block 8 in draw-in groove 7. The thrust oil cylinder 24 is connected with the supporting block 22 through the connecting block 8, the piston rod of the thrust oil cylinder 24 moves to drive the supporting block 22 to slide on the guide rail 23, and the supporting block 22 drives the thrust plate 21 to slide along the guide rail 23. A plurality of full casing cast-in-situ pile casing correcting devices are arranged around the guide hole, the sleeves are supported by the plurality of thrust plates 21, the inclination trend of the sleeves is blocked by the thrust plates 21, and the accuracy of the casings penetrating into the ground is improved.
Referring to fig. 1, the guide plate 14 is fixed to the tip of the thrust plate 21, and the tip of the guide plate 14 is inclined toward the thrust cylinder 24. When a protecting section of thick bamboo is through lifting by crane equipment to the downthehole handling of bullport, the existence of protecting the section of thick bamboo rocks, and deflector 14 blocks to protect the section of thick bamboo and further rocks to keeping away from the bullport direction, protects a decline in-process, and deflector 14 leads protecting the section of thick bamboo, conveniently protects a quick insertion guiding hole in of a, promotes the location installation effectiveness of protecting the section of thick bamboo.
Referring to fig. 1, the bottom end of the thrust plate 21 is hinged to one end of the supporting block 22 far away from the thrust cylinder 24, the supporting block 22 is provided with an adjusting cylinder 25, and one end of the adjusting cylinder 25 far away from the supporting block 22 is hinged to the thrust plate 21. When the thrust plate 21 supports the casing, the length of the casing is large, so that the thrust plate 21 is easy to deform, the adjusting oil cylinder 25 supports the thrust plate 21, and the support stability of the thrust plate 21 on the casing is improved. When the pile casing has small-amplitude deflection, the adjusting oil cylinder 25 pushes the thrust plate 21 to adjust the pile casing, and the accuracy of the pile casing when the pile casing is deep into the ground is further improved.
Referring to fig. 1 and 3, be equipped with in the thrust plate 21 and hold chamber 9, hold and be equipped with limit baffle 10 in the chamber 9, set up spout 11 along vertical direction extension on the lateral wall of thrust plate 21, be fixed with dog 13 on limit baffle 10's the lateral wall, dog 13 slides and sets up in spout 11, holds chamber 9 bottom and is equipped with and seals board 12. When the pile casing correcting device of the full casing cast-in-situ bored pile moves, the sealing plate 12 blocks the opening of the accommodating cavity 9 and stops the limiting baffle 10 from falling from the accommodating cavity 9. In the process of positioning the thrust plate 21, the sealing plate 12 is drawn out from the accommodating cavity 9, the limit baffle 10 slides down along the sliding groove 11 under the action of gravity, the stop block 13 abuts against the inner wall of the sliding groove 11, and the limit baffle 10 is prevented from falling out of the accommodating cavity 9. When the position of the thrust plate 21 above the guide hole is adjusted, the limiting baffle 10 moves synchronously in the guide hole, the limiting baffle 10 is attached to the inner wall of the guide hole, the thrust plate 21 is quickly positioned, and the positioning efficiency of the pile casing is improved.
Referring to fig. 1 and 3, a plurality of protective rollers 18 are horizontally and rotatably connected to the thrust plate 21, and the plurality of protective rollers 18 are arranged at intervals in the vertical direction. When the pile casing goes deep into the ground downwards along the thrust plate 21, the outer wall of the pile casing is rubbed with the protective roller 18, and the pile casing drives the protective roller 18 to roll, so that the abrasion of the pile casing is reduced, and the service life of the pile casing is prolonged.
Referring to fig. 4, the moving assembly 3 includes a driving motor 31 fixed in the base 1, and crawlers 32 disposed on the side walls of the base 1, wherein the crawlers 32 are arranged on the side walls of the two ends of the base 1 in the width direction at intervals, and an output shaft of the driving motor 31 is fixedly connected with an input shaft of the crawlers 32. The track 32 has better adaptability than a tire and can adapt to more terrain. The track 32 also has better load bearing capabilities and provides better support for the casing.
Referring to fig. 4, the base 1 is provided with a plurality of support legs 15, the support legs 15 are arranged at intervals, a support cylinder 16 is fixed at one end of each support leg 15, which is far away from the base 1, a piston rod of the support cylinder 16 is vertically arranged downwards, and a backing plate 17 is fixed at one end of the piston rod of the support cylinder 16, which is far away from the support legs 15. After the full-pile-casing cast-in-situ bored pile casing correcting device moves to the periphery of the guide hole, the supporting oil cylinder 16 operates to support the base 1, the stability of the full-pile-casing cast-in-situ bored pile casing correcting device on the ground is improved, the contact area of the supporting air cylinder and the ground is enlarged by the backing plate 17, stress concentration is reduced, and damage of the supporting air cylinder to the ground is reduced.
The implementation principle of the cast-in-situ pile casing correcting device for the full casing cast-in-situ bored pile in the embodiment of the application is as follows: the multiple full-casing cast-in-situ pile casing correcting devices move to the periphery of the guide hole, the supporting cylinder operates to support the base 1, the thrust oil cylinder 24 operates to push the thrust plate 21 to the axis of the guide hole, the sealing plate 12 is drawn out, the limiting baffle 10 falls down, the thrust oil cylinder 24 slides the thrust plate 21 in the direction far away from the axis of the guide hole, the limiting baffle 10 is attached to the inner wall of the guide hole, and the thrust plate 21 is quickly positioned. And in the descending process of the pile casing, the plurality of thrust plates 21 guide the pile casing. When the protective cylinder is inclined, the air cylinder is connected to operate, and the thrust plate 21 is pushed to further correct the protective cylinder.
The embodiment of the application also discloses a construction method of the full-pile-casing cast-in-situ bored pile, which comprises the Step1 of the correction device of the full-pile-casing cast-in-situ bored pile casing, and is used for leveling the ground, facilitating the driving of vehicle equipment and the like into a construction site and lofting the ground.
And Step2, drilling a guide hole at a designated position on the ground by using a drilling machine, after drilling the guide hole, arranging positioning grooves around the guide hole, wherein the positioning grooves are communicated with the guide hole, the width of each positioning groove is gradually reduced towards the direction far away from the center of the guide hole, and a plurality of positioning grooves are distributed at intervals along the circumferential direction of the guide hole. After the inner wall laminating of limit baffle 10 and bullport, the joint promotes limit baffle 10's stability in the constant head tank.
Step3, arranging a plurality of full casing cast-in-situ pile casing correcting devices on the guide holes, lifting the casings to the positions right above the guide holes by using a crane, lifting the casings vertically downwards, correcting the falling direction of the casings by the plurality of full casing cast-in-situ pile casing correcting devices, and inserting the casings into the guide holes.
And Step4, inserting the pile casing downwards into the ground by using a vibration hammer, and correcting the moving direction of the pile casing by using the pile casing correcting device for the full pile casing cast-in-situ bored pile in the process of inserting the pile casing into the ground.
And Step5, drilling holes in the casing by using a drilling machine, and introducing slurry into the pile holes.
And Step6, cleaning the pile hole by using a vacuum suction dredge.
And Step7, conveying the reinforcement cage into the pile hole which is cleaned by lifting, and introducing underwater concrete into the pile hole.
And Step8, drawing the pile casing out of the pile hole.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (10)
1. The utility model provides a protect a section of thick bamboo correcting unit entirely that bored concrete pile protects, its characterized in that: the correcting device comprises a base (1) and a correcting component (2) arranged on the base (1), wherein a moving component (3) used for driving the base (1) to move is arranged on the side wall of the base (1).
2. The full casing cast-in-situ pile casing correcting device according to claim 1, characterized in that: the correcting component (2) comprises a thrust plate (21) and a supporting block (22) arranged on the base (1), the thrust plate (21) is arranged at one end of the supporting block (22), a guide rail (23) is fixed on the base (1), the supporting block (22) is arranged on the guide rail (23) in a sliding manner, a thrust oil cylinder (24) is fixed on the base (1), a connecting groove (6) is formed in a piston rod of the thrust oil cylinder (24), a clamping groove (7) communicated with the connecting groove (6) is formed in a piston rod of the thrust oil cylinder (24), the width of the clamping groove (7) is larger than that of the connecting groove (6), a slot (4) communicated with the connecting groove (6) is formed in the supporting block (22), a clamping groove (5) communicated with the slot (4) is formed in the supporting block (22), and the width of the clamping groove (5) is larger than that of the slot (4), joint has connecting block (8) in joint groove (5), connecting block (8) extend to in draw-in groove (7).
3. The full casing cast-in-situ pile casing correcting device according to claim 2, characterized in that: and a guide plate (14) is fixed at the top end of the thrust plate (21), and the top end of the guide plate (14) inclines towards the direction close to the thrust oil cylinder (24).
4. The full casing cast-in-situ pile casing correcting device according to claim 2, characterized in that: and one surface of the thrust plate (21) close to the thrust oil cylinder (24) is provided with an adjusting oil cylinder (25), and one end of the adjusting oil cylinder (25) far away from the thrust plate (21) is connected with the supporting block (22).
5. The full casing cast-in-situ pile casing correcting device according to claim 2, characterized in that: seted up in thrust plate (21) and held chamber (9), it is equipped with limit baffle (10) in chamber (9) to hold, spout (11) have been seted up on the lateral wall of thrust plate (21), be fixed with dog (13) on the lateral wall of limit baffle (10), dog (13) set up in spout (11), it is equipped with sealing plate (12) to hold chamber (9) bottom.
6. The full casing cast-in-situ pile casing correcting device according to claim 2, characterized in that: the thrust plate (21) is horizontally provided with a plurality of protective rollers (18), and the protective rollers (18) are arranged at intervals.
7. The full casing cast-in-situ pile casing correcting device according to claim 1, characterized in that: be equipped with landing leg (15) on base (1), landing leg (15) interval arrangement is many, every base (1) one end is kept away from in landing leg (15) all is equipped with support cylinder (16), the piston rod of support cylinder (16) sets up downwards, be fixed with backing plate (17) on the piston rod of support cylinder (16).
8. The full casing cast-in-situ pile casing correcting device according to claim 1, characterized in that: the moving assembly (3) comprises a driving motor (31) fixed in the base (1) and a crawler belt (32) arranged on the side wall of the base (1), the crawler belt (32) is arranged at intervals, and an output shaft of the driving motor (31) is fixedly connected with an input shaft of the crawler belt (32).
9. A full-casing cast-in-situ bored pile construction method, comprising any one of the full-casing cast-in-situ bored pile casing correcting devices of claims 1 to 9, characterized in that: step1, carrying out leveling treatment on the ground, and carrying out lofting on the ground;
step2, drilling a guide hole at a designated position on the ground by using a drilling machine;
step3, arranging a plurality of full casing cast-in-situ pile casing correcting devices on the guide holes, lifting the casings to the positions right above the guide holes by using a crane, lifting the casings vertically downwards, correcting the falling direction of the casings by the plurality of full casing cast-in-situ pile casing correcting devices, and inserting the casings into the guide holes;
step4, inserting the pile casing downwards into the ground by using a vibration hammer, and correcting the moving direction of the pile casing by using a pile casing correcting device of the full pile casing cast-in-situ bored pile in the process of inserting the pile casing into the ground;
step5, drilling a hole in the pile casing by using a drilling machine, and introducing slurry into the pile hole;
step6, cleaning the pile hole by using a vacuum suction dredge;
step7, conveying the reinforcement cage into the pile hole which is cleaned by lifting, and introducing underwater concrete into the pile hole;
and Step8, drawing the pile casing out of the pile hole.
10. The construction method of the full casing cast-in-situ bored pile according to claim 9, characterized in that: after the drilling of the guide hole is completed in Step2, positioning grooves are formed around the guide hole and communicated with the guide hole, the width of each positioning groove is gradually reduced towards the direction far away from the center of the guide hole, and a plurality of positioning grooves are arranged at intervals along the circumferential direction of the guide hole.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011255654.0A CN112459064B (en) | 2020-11-11 | 2020-11-11 | Full casing cast-in-situ bored pile casing correcting device and construction method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011255654.0A CN112459064B (en) | 2020-11-11 | 2020-11-11 | Full casing cast-in-situ bored pile casing correcting device and construction method |
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| CN112459064B CN112459064B (en) | 2022-02-11 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115198733A (en) * | 2022-07-12 | 2022-10-18 | 中铁二十五局集团有限公司 | Cast-in-situ bored pile construction process |
| CN116254827A (en) * | 2023-01-29 | 2023-06-13 | 浙江搏鸿建设工程有限公司 | Bored pile structure and construction process |
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| CN116254827A (en) * | 2023-01-29 | 2023-06-13 | 浙江搏鸿建设工程有限公司 | Bored pile structure and construction process |
| CN116254827B (en) * | 2023-01-29 | 2023-09-01 | 浙江搏鸿建设工程有限公司 | Bored pile structure and construction process |
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