CN112144525B - Cast-in-situ bored pile structure and construction method thereof - Google Patents
Cast-in-situ bored pile structure and construction method thereof Download PDFInfo
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- CN112144525B CN112144525B CN202011071731.7A CN202011071731A CN112144525B CN 112144525 B CN112144525 B CN 112144525B CN 202011071731 A CN202011071731 A CN 202011071731A CN 112144525 B CN112144525 B CN 112144525B
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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
- E02D5/66—Mould-pipes or other moulds
- E02D5/68—Mould-pipes or other moulds for making bulkheads or elements thereof
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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
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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
- E02D5/36—Concrete or concrete-like piles cast in position ; Apparatus for making same making without use of mouldpipes or other moulds
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Abstract
The application relates to a cast-in-situ bored pile structure and a construction method thereof, wherein the cast-in-situ bored pile structure comprises a steel casing, a support ring and two support rods; a fixing ring is fixed at the top of the steel casing, and a connecting assembly is arranged between the supporting ring and the fixing ring; and two sides of the steel casing are respectively provided with a driving mechanism. The preparation method comprises the following steps: cleaning the ground and tamping the position of the cast-in-place pile to be formed; drilling and embedding a steel protection cylinder, and sleeving a support ring on the periphery of the steel protection cylinder before embedding the steel protection cylinder; respectively paving guide rails on two sides of the steel casing, rotating a lead screw to enable a support ring to ascend to be in contact with a fixed ring, and fixedly connecting the support ring and the fixed ring through a connecting assembly; and (3) installing a reinforcement cage in the steel casing, pouring concrete after the installation is finished, and taking out the steel casing after the concrete is condensed. The application can reduce the influence of concrete pouring on the overall shape of the cast-in-place pile.
Description
Technical Field
The application relates to the field of cast-in-place piles, in particular to a cast-in-place bored pile structure and a construction method thereof.
Background
Currently, a cast-in-place pile is a pile formed by forming a pile hole in foundation soil through mechanical drilling, steel pipe soil extrusion, or manual excavation, and pouring concrete into the pile hole.
The related technology can refer to Chinese patent application with publication number CN102808411A, which discloses a cast-in-situ bored pile casing and a use method thereof. Because the concrete placement in-process, the pile casing can take place to rock, rocks the condition that a skew, slope can appear in the pile casing when serious, influences the whole shape of bored concrete pile after the pouring.
In view of the above related technologies, the inventor thinks that in the concrete pouring process, the pile casing may shake, and when the pile casing shakes seriously, the pile casing may shift and incline, which affects the overall shape of the poured pile.
Disclosure of Invention
In order to reduce the influence of concrete pouring on the overall shape of a cast-in-place pile, the application provides a cast-in-place bored pile structure and a construction method thereof.
In a first aspect, the application provides a bored concrete pile structure, which adopts the following technical scheme:
a cast-in-situ bored pile structure comprises a steel pile casing, a support ring which is arranged on the outer peripheral surface of the steel pile casing in a vertical sliding manner, and two support rods which are respectively hinged with the bottom surface of the support ring; the top of the steel casing is fixed with a fixing ring, and two groups of connecting components which are respectively used for fixedly connecting the supporting ring and the fixing ring are arranged between the supporting ring and the fixing ring; and driving mechanisms for driving the support ring to move upwards are respectively arranged on two sides of the steel casing.
Through adopting above-mentioned technical scheme, through actuating mechanism drive support ring back that rises, the support ring can be through coupling assembling and solid fixed ring fixed connection to provide the support for the steel protects a section of thick bamboo through bracing piece and support ring, reduce the concrete placement in-process, because steel protects the influence of a skew, slope to the whole shape of bored concrete pile.
Optionally, each set of driving mechanism includes a guide rail disposed on one side of the steel casing and a lead screw penetrating through the guide rail and rotatably connected to one end of the guide rail far away from the steel casing; the top of the guide rail is provided with a guide rail groove, a slide block is arranged in the guide rail groove in a sliding manner along the length direction of the guide rail, and the slide block is in threaded connection with the lead screw; the outer peripheral surface of the sliding block is rotatably connected with a connecting block, and the top of the connecting block is hinged with the bottom end of the support rod.
Through adopting above-mentioned technical scheme, lead screw and slider are threaded connection, and the auto-lock performance through helicitic texture can provide fixed effect for the vaulting pole to protect a section of thick bamboo for the steel and provide supporting effect, reduce the steel and protect a possibility that a section of thick bamboo appears rocking.
Optionally, two sides of the guide rail groove are respectively provided with a connecting groove; the guide rail is provided with limiting rods in a sliding manner along the width direction of the guide rail through two connecting grooves; strip-shaped slots for being inserted into the limiting rods are formed in the two sides of the sliding block respectively; and a moving assembly used for driving the two limiting rods to move towards one side far away from the lead screw respectively is arranged between the guide rail and the steel casing.
Through adopting above-mentioned technical scheme, the gag lever post provides limiting displacement for the slider through the bar slot, reduces the lead screw and rotates the in-process, and the slider is along the orbital possibility of deviating of lead screw axial displacement in-process.
Optionally, the moving assembly includes a connecting plate slidably disposed on the outer circumferential surface of the screw rod along the axial direction of the screw rod, and connecting rods respectively hinged to two sides of the connecting plate; one ends of the two connecting rods, which are far away from the connecting plate, are respectively hinged with one sides of the limiting rods, which are close to the steel casing; the outer peripheral surface of the steel casing is provided with a first sliding groove and a second sliding groove, and the steel casing is connected with a butting piece in a sliding mode along the radial direction of the steel casing through the first sliding groove; the steel casing is connected with a pressing piece in a sliding mode along the radial direction of the steel casing through a second sliding groove; one side of the connecting plate, which is far away from the guide rail, is fixedly connected with one side of the pressing piece, which is close to the guide rail; a third sliding groove is formed in the bottom of the first sliding groove, and the steel casing is connected with a transmission piece through the third sliding groove in a sliding mode along the vertical direction; the opposite inner sides of the butting part and the transmission part are respectively provided with a first inclined plane; the opposite inner sides of the pressing piece and the transmission piece are respectively provided with a second inclined plane.
By adopting the technical scheme, in the upward movement process of the support ring, the support piece is pushed to move towards one side close to the guide rail, and the limiting rod is pushed to be separated from the sliding block through the connecting plate, so that the support ring stops rising under the condition that the screw rod does not stop rotating, and the possibility that the support ring continues rising after contacting with the fixed ring is reduced.
Optionally, two sides of the abutting part are respectively fixed with a first guide block, and two sides of the first sliding groove are respectively provided with a first guide groove; two driving medium one side is kept away from to first guide block is fixed with first spring respectively, every driving medium one end is kept away from all with first guide way third spout one side fixed connection is kept away from to first spring.
Through adopting above-mentioned technical scheme, first guide way provides the guide effect for first guide block, reduces the possibility that the butt piece deviates from the track along steel protects a radial movement in-process. When the abutting part moves to one side far away from the transmission part, the second spring is in a compressed state, and the abutting part can be driven to reset to one side close to the transmission part through the second spring.
Optionally, second guide blocks are fixed on two sides of the pressing piece respectively, and second guide grooves are formed in two sides of the second sliding groove respectively; and one side, far away from the transmission part, of each second guide block is fixedly provided with a second spring, and one end, close to the guide rail, of each second spring is fixedly connected with one side, far away from the third sliding groove, of each second guide groove.
By adopting the technical scheme, the second guide groove provides a guide effect for the second guide block, and the possibility that the pressing part deviates from a track in the radial movement process along the steel casing is reduced. When the pressing piece moves to the side far away from the transmission piece, the second spring is in a compressed state, and the pressing piece can be driven to reset to the side close to the transmission piece through the second spring.
Optionally, each group of the connecting assemblies comprises a connecting piece fixed at the top of the support ring and a fixing piece connected with the fixing ring in a sliding manner along the radial direction of the fixing ring; the bottom surface of the fixing ring is provided with a fourth sliding chute, and the fixing ring is connected with the connecting piece in a vertical sliding mode through the fourth sliding chute; the peripheral surface of the fixing ring is provided with a fifth chute, and the fixing ring is connected with the fixing piece in a sliding manner through the fifth chute; one side of the connecting piece, which is close to the steel casing, is provided with a jack for being spliced with the fixing piece; and the opposite inner sides of the fixing piece and the connecting piece are respectively provided with a third inclined plane.
Through adopting above-mentioned technical scheme, the support ring rises to and contacts the back with the fixed ring, through coupling assembling and solid fixed connection promptly, reduces solid fixed ring and the possibility of support ring separation, and the support ring of being convenient for provides the support fixed effect for the steel protects a section of thick bamboo.
Optionally, a third spring is fixed to one side, close to the steel casing, of the fixing piece, and one end, far away from the fixing piece, of the third spring is fixedly connected with one side, close to the steel casing, of the fifth chute.
Through adopting above-mentioned technical scheme, when the connecting piece supported and pressed the mounting, the third spring was in compression state, and the third spring is applyed to the mounting and is protected a elasticity of one side to keeping away from the steel, is convenient for protect a side to reset to keeping away from the steel through third spring drive mounting.
In a second aspect, the application provides a construction method of a cast-in-situ bored pile structure, which adopts the following technical scheme:
a construction method of a cast-in-situ bored pile structure comprises the following steps:
s1, cleaning the ground and tamping the position of the cast-in-place pile to be formed;
s2, drilling and embedding a steel casing, wherein before the steel casing is embedded, the supporting ring is sleeved on the periphery of the steel casing;
s3, paving guide rails on two sides of the steel casing respectively, rotating a lead screw to enable a support ring to ascend to be in contact with a fixed ring, and fixedly connecting the support ring and the fixed ring through a connecting assembly;
and S4, installing a reinforcement cage in the steel casing, pouring concrete after the installation is finished, and taking out the steel casing after the concrete is solidified.
Through adopting above-mentioned technical scheme, bury underground the steel and protect a back, through setting up the motor, can realize protecting a fixed of section of thick bamboo to the steel, when reducing manual operation, be convenient for reduce the steel and protect a possibility that appears rocking, the skew condition at the pouring in-process.
In summary, the present application includes at least one of the following beneficial technical effects:
1. after the driving mechanism drives the supporting ring to rise, the supporting ring is fixedly connected with the fixing ring through the connecting assembly, so that the supporting rod and the supporting ring are used for supporting the steel casing, and the influence of the deviation and the inclination of the steel casing on the overall shape of the cast-in-place pile in the concrete pouring process is reduced;
2. the screw rod is in threaded connection with the sliding block, and a fixing effect can be provided for the support rod through the self-locking performance of the threaded structure, so that a supporting effect is provided for the steel casing, and the possibility of shaking of the steel casing is reduced;
3. after burying a steel underground and protecting a section of thick bamboo, through setting up the motor, can realize protecting a fixed of section of thick bamboo to the steel, when reducing manual operation, be convenient for reduce a steel and protect a possibility that a section of thick bamboo appears rocking, the skew condition in the pouring process.
Drawings
Fig. 1 is a schematic structural view of a cast-in-situ bored pile structure according to embodiment 1 of the present application.
Fig. 2 is an enlarged schematic view at a in fig. 1.
Fig. 3 is a sectional view taken along line a-a of fig. 1.
Fig. 4 is an enlarged schematic view at B in fig. 3.
Fig. 5 is a sectional view taken along line B-B in fig. 3.
Description of reference numerals: 1. a steel casing; 11. a support ring; 12. a stay bar; 2. a drive mechanism; 21. a guide rail; 22. a lead screw; 23. a guide rail groove; 24. connecting grooves; 25. a slider; 26. connecting blocks; 3. a moving assembly; 31. a limiting rod; 32. a third inclined plane; 33. a connecting plate; 34. a connecting rod; 4. a drive assembly; 41. a transmission member; 42. an abutting member; 43. a pressing member; 44. a first inclined plane; 45. a second inclined plane; 46. a first chute; 47. a second chute; 5. a third spring; 51. a first guide block; 52. a third chute; 53. a first spring; 54. a second guide block; 55. a second spring; 6. a connecting assembly; 61. a fixing ring; 62. a connecting member; 63. a fixing member; 64. a fourth chute; 65. a fifth chute; 66. and (4) inserting the jack.
Detailed Description
The present application is described in further detail below with reference to figures 1-5.
The embodiment of the application discloses a cast-in-situ bored pile structure and a construction method thereof.
Example 1:
referring to fig. 1 and 2, a cast-in-situ bored pile structure includes a steel casing, a support ring 11 slidably disposed on an outer circumferential surface of the steel casing 1 in a vertical direction, and two brace rods 12 respectively hinged to a bottom surface of the support ring 11. The top of the steel casing 1 is fixed with a fixing ring 61, and two groups of connecting components 6 which are respectively used for fixedly connecting the supporting ring 11 and the fixing ring 61 are arranged between the supporting ring 11 and the fixing ring 61. Two sides of the steel casing 1 are respectively provided with a driving mechanism 2 for driving the support ring 11 to move upwards. Each group of driving mechanisms 2 comprises a guide rail 21 arranged on one side of the steel casing 1 and a lead screw 22 which penetrates through the guide rail 21 and is rotatably connected with one end, far away from the steel casing 1, of the guide rail 21. The top of the guide rail 21 is provided with a guide rail groove 23, and two sides of the guide rail groove 23 are respectively provided with a connecting groove 24. A slide block 25 is arranged in the guide rail groove 23 in a sliding manner along the length direction of the guide rail 21, and the slide block 25 is in threaded connection with the lead screw 22. The peripheral surface of the sliding block 25 is rotatably connected with a connecting block 26, and the top of the connecting block 26 is hinged with the bottom end of the support rod 12. Due to the self-locking structure of the threads, the sliding block 25 can provide support for the support ring 11 through the support rod 12 after being static; the support ring 11 is connected with the fixing ring 61 through the connecting assembly 6, and provides a support function for the fixing ring 61. One end of the screw rod 22, which is far away from the steel casing 1, is fixedly connected with the output end of the motor.
Referring to fig. 1 and 2, the guide rail 21 is slidably provided with a stopper rod 31 along the width direction of the guide rail 21 through two connecting grooves 24, respectively. The two sides of the sliding block 25 are respectively provided with a strip-shaped slot for being inserted with the limiting rod 31. A moving component 3 for driving the two limiting rods 31 to move towards one side far away from the screw rod 22 is arranged between the guide rail 21 and the steel casing 1. The moving assembly 3 includes a connecting plate 33 slidably disposed on the outer peripheral surface of the screw rod 22 along the axial direction of the screw rod 22, and connecting rods 34 respectively hinged to both sides of the connecting plate 33. One ends of the two connecting rods 34, which are far away from the connecting plate 33, are respectively hinged with one sides of the limiting rods 31, which are close to the steel casing 1. The strip-shaped slot can provide a limiting effect for the limiting rod 31, so that the sliding block 25 is driven to move through the rotation of the lead screw 22; after the connecting plate 33 moves towards one side far away from the steel casing 1, the connecting plate 33 drives the limiting rod 31 to move towards one side far away from the screw rod 22 through the two connecting rods 34 respectively, so that the limiting rod 31 is separated from the strip-shaped slot.
Referring to fig. 3 and 4, a driving assembly 4 for driving the connecting plate 33 to move away from the steel casing 1 is arranged between the support ring 11 and the steel casing 1. The driving assembly 4 comprises a transmission piece 41 connected with the steel casing 1 in a sliding manner along the vertical direction, an abutting piece 42 connected with the steel casing 1 in a sliding manner along the radial direction of the steel casing 1, and an abutting piece 43. The opposite inner sides of the abutting member 42 and the transmission member 41 are respectively provided with a first inclined surface 44; the opposite inner sides of the pressing piece 43 and the transmission piece 41 are respectively provided with a second inclined surface 45; the side of the connecting plate 33 away from the guide rail 21 is fixedly connected with the side of the pressing piece 43 close to the guide rail 21. After the abutting member 42 is forced to move to the side close to the transmission member 41, the abutting member 42 will contact the transmission member 41 through the first inclined surface 44 and push the transmission member 41 to move downward; after the transmission member 41 contacts the pressing member 43 through the second inclined surface 45, the transmission member 41 pushes the pressing member 43 to move toward the side close to the guide rail 21; the pressing piece 43 drives the connecting plate 33 to move during the movement process. The first chute 46 and the second chute 47 are opened on the outer peripheral surface of the steel casing 1, and the second chute 47 is located below the first chute 46. The steel casing 1 is connected with the abutting piece 42 in a sliding mode through a first sliding chute 46. The steel casing 1 is connected with the pressing piece 43 in a sliding manner through the second sliding groove 47. The bottom of the first sliding groove 46 is provided with a third sliding groove 52, and the steel casing 1 is connected with the transmission piece 41 in a sliding manner along the vertical direction through the third sliding groove 52. A first guide block 51 is fixed on each of two sides of the abutting piece 42, and a first guide groove is formed on each of two sides of the first sliding groove 46; first springs 53 are respectively fixed on one sides of the two first guide blocks 51 far away from the transmission piece 41, and one end of each first spring 53 far away from the transmission piece 41 is fixedly connected with one side of the first guide groove far away from the third sliding groove 52. After the contact member 42 moves toward the transmission member 41, the first spring 53 is in a compressed state, and the contact member 42 can be driven to return toward the side away from the transmission member 41 by the first spring 53. The two sides of the pressing piece 43 are respectively fixed with a second guide block 54, and the two sides of the second sliding groove 47 are respectively provided with a second guide groove; and a second spring 55 is fixed on one side of each second guide block 54 far away from the transmission piece 41, and one end of each second spring 55 close to the guide rail 21 is fixedly connected with one side of the second guide groove far away from the third sliding groove 52. When the pressing member 43 moves toward the side close to the guide rail 21, the second spring 55 is in a compressed state, and the pressing member 43 can be driven to return toward the side away from the guide rail 21 by the second spring 55.
Referring to fig. 5, each set of connecting assemblies 6 includes a connecting member 62 fixed to the top of the support ring 11 and a fixing member 63 slidably connected to the fixing ring 61 in the radial direction of the fixing ring 61. The bottom surface of the fixing ring 61 is provided with a fourth sliding chute 64, and the fixing ring 61 is connected with the connecting piece 62 in a sliding manner along the vertical direction through the fourth sliding chute 64. The peripheral surface of the fixing ring 61 is provided with a fifth sliding chute 65, and the fixing ring 61 is connected with the fixing member 63 in a sliding manner through the fifth sliding chute 65. One side of the connecting piece 62 close to the steel casing 1 is provided with a jack 66 for being inserted with the fixing piece 63. After the connecting piece 62 is inserted into the fourth sliding groove 64, the fixing piece 63 is inserted into the insertion hole 66 to limit the connecting piece 62, so that the support ring 11 is fixedly connected with the fixing ring 61. The fixing piece 63 is fixed with a third spring 5 on the side close to the steel casing 1, and one end of the third spring 5 far away from the fixing piece 63 is fixedly connected with one side of the fifth chute 65 close to the steel casing 1. When the fixing member 63 is separated from the insertion hole 66, the third spring 5 is in a compressed state, and the fixing member 63 can be driven to return to the side away from the steel casing 1 by the third spring 5. The fixing member 63 and the connecting member 62 are respectively provided with a third inclined surface 32 on opposite inner sides.
The implementation principle of the cast-in-situ bored pile structure and the construction method thereof in the embodiment of the application is as follows:
the screw 22 rotates to drive the slider 25 to move, and when the slider 25 moves towards one side close to the steel casing 1, the support ring 11 is pushed by the support rod 12 to move upwards, so that the support ring 11 is in contact with the fixing ring 61. After the connecting piece 62 is inserted into the fourth sliding groove 64, the fixing piece 63 is inserted into the insertion hole 66 to limit the connecting piece 62, so that the support ring 11 is fixedly connected with the fixing ring 61.
When the bottom surfaces of the support ring 11 and the fixing ring 61 are attached, the abutting piece 42 is triggered to move to the side close to the transmission piece 41 at the same time, and then the abutting piece 42 is contacted with the transmission piece 41 through the first inclined surface 44 and pushes the transmission piece 41 to move downwards; after the transmission member 41 contacts the pressing member 43 through the second inclined surface 45, the transmission member 41 pushes the pressing member 43 to move toward the side close to the guide rail 21; the pressing piece 43 drives the connecting plate 33 to move during the movement process. After the connecting plate 33 moves towards one side far away from the steel casing 1, the connecting plate 33 drives the limiting rod 31 to move towards one side far away from the screw rod 22 through the two connecting rods 34 respectively, so that the limiting rod 31 is separated from the strip-shaped slot. The slide 25 will start to rotate after losing the limiting function of the limiting rod 31, thereby stopping pushing the support ring 11 to rise.
A construction method of a cast-in-situ bored pile structure comprises the following steps:
s1, cleaning the ground and tamping the position of the cast-in-place pile to be formed;
s2, drilling a hole with the depth of 4m and embedding the steel casing 1, sleeving the support ring 11 on the periphery of the steel casing 1 before the steel casing 1 is embedded, wherein the inner diameter of the steel casing 1 is 40cm larger than the pile diameter;
s3, paving guide rails 21 on two sides of the steel casing 1 respectively, rotating the guide rails 21 to enable the support ring 11 to ascend to be in contact with the fixing ring 61, and fixedly connecting the support ring 11 and the fixing ring 61 through the connecting assembly 6;
s4, installing a reinforcement cage in the steel casing 1, pouring concrete after the installation is finished, and taking out the steel casing 1 after the concrete is solidified.
Example 2:
a construction method of a cast-in-situ bored pile structure comprises the following steps:
s1, cleaning the ground and tamping the position of the cast-in-place pile to be formed;
s2, drilling a hole with the depth of 3m and embedding the steel casing 1, sleeving the support ring 11 on the periphery of the steel casing 1 before the steel casing 1 is embedded, wherein the inner diameter of the steel casing 1 is 30cm larger than the pile diameter;
s3, paving guide rails 21 on two sides of the steel casing 1 respectively, rotating the guide rails 21 to enable the support ring 11 to ascend to be in contact with the fixing ring 61, and fixedly connecting the support ring 11 and the fixing ring 61 through the connecting assembly 6;
s4, installing a reinforcement cage in the steel casing 1, pouring concrete after the installation is finished, and taking out the steel casing 1 after the concrete is solidified.
Example 3:
a construction method of a cast-in-situ bored pile structure comprises the following steps:
s1, cleaning the ground and tamping the position of the cast-in-place pile to be formed;
s2, drilling a hole with the depth of 2m and embedding a steel casing 1, sleeving a support ring 11 on the periphery of the steel casing 1 before the steel casing 1 is embedded, wherein the inner diameter of the steel casing 1 is 20cm larger than the pile diameter;
s3, paving guide rails 21 on two sides of the steel casing 1 respectively, rotating the guide rails 21 to enable the support ring 11 to ascend to be in contact with the fixing ring 61, and fixedly connecting the support ring 11 and the fixing ring 61 through the connecting assembly 6;
s4, installing a reinforcement cage in the steel casing 1, pouring concrete after the installation is finished, and taking out the steel casing 1 after the concrete is solidified.
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 (5)
1. The utility model provides a drilling bored concrete pile structure which characterized in that: including steel casing (1), its characterized in that: the steel casing is characterized by further comprising a support ring (11) which is arranged on the outer peripheral surface of the steel casing (1) in a sliding mode along the vertical direction, and two support rods (12) which are hinged with the bottom surface of the support ring (11) respectively; a fixing ring (61) is fixed at the top of the steel casing (1), and two groups of connecting assemblies (6) which are respectively used for fixedly connecting the supporting ring (11) and the fixing ring (61) are arranged between the supporting ring (11) and the fixing ring (61); two sides of the steel casing (1) are respectively provided with a driving mechanism (2) for driving the support ring (11) to move upwards; each group of driving mechanisms (2) comprises a guide rail (21) arranged on one side of the steel casing (1) and a lead screw (22) which is arranged in the guide rail (21) in a penetrating way and is rotatably connected with one end, far away from the steel casing (1), of the guide rail (21); the top of the guide rail (21) is provided with a guide rail groove (23), a sliding block (25) is arranged in the guide rail groove (23) in a sliding manner along the length direction of the guide rail (21), and the sliding block (25) is in threaded connection with the lead screw (22); the outer peripheral surface of the sliding block (25) is rotatably connected with a connecting block (26), and the top of the connecting block (26) is hinged with the bottom end of the support rod (12); connecting grooves (24) are respectively formed in the two sides of the guide rail groove (23); the guide rail (21) is provided with a limiting rod (31) through two connecting grooves (24) in a sliding manner along the width direction of the guide rail (21); strip-shaped slots for being spliced with the limiting rods (31) are respectively formed in two sides of the sliding block (25); a moving assembly (3) for driving the two limiting rods (31) to move towards one side far away from the screw rod (22) is arranged between the guide rail (21) and the steel casing (1); the moving assembly (3) comprises a connecting plate (33) which is arranged on the outer peripheral surface of the screw rod (22) in a sliding manner along the axial direction of the screw rod (22) and connecting rods (34) which are respectively hinged with two sides of the connecting plate (33); one ends of the two connecting rods (34) far away from the connecting plate (33) are respectively hinged with one side of the limiting rod (31) close to the steel casing (1); the outer peripheral surface of the steel casing (1) is provided with a first sliding groove (46) and a second sliding groove (47), and the steel casing (1) is connected with a butting piece (42) in a sliding manner along the radial direction of the steel casing (1) through the first sliding groove (46); the steel casing (1) is connected with a pressing piece (43) through a second sliding groove (47) in a sliding manner along the radial direction of the steel casing (1); one side of the connecting plate (33) far away from the guide rail (21) is fixedly connected with one side of the pressing piece (43) close to the guide rail (21); a third sliding groove (52) is formed in the bottom of the first sliding groove (46), and the steel casing (1) is connected with a transmission piece (41) through the third sliding groove (52) in a sliding mode in the vertical direction; the opposite inner sides of the abutting part (42) and the transmission part (41) are respectively provided with a first inclined surface (44); the opposite inner sides of the pressing piece (43) and the transmission piece (41) are respectively provided with a second inclined plane (45); each group of the connecting assemblies (6) comprises a connecting piece (62) fixed at the top of the supporting ring (11) and a fixing piece (63) connected with the fixing ring (61) in a sliding manner along the radial direction of the fixing ring (61); the bottom surface of the fixing ring (61) is provided with a fourth sliding chute (64), and the fixing ring (61) is connected with the connecting piece (62) in a sliding mode along the vertical direction through the fourth sliding chute (64); the outer peripheral surface of the fixing ring (61) is provided with a fifth sliding groove (65), and the fixing ring (61) is connected with the fixing piece (63) in a sliding mode through the fifth sliding groove (65); one side of the connecting piece (62) close to the steel casing (1) is provided with a jack (66) for being inserted with the fixing piece (63); and the opposite inner sides of the fixing piece (63) and the connecting piece (62) are respectively provided with a third inclined plane (32).
2. A cast-in-situ bored pile structure according to claim 1, wherein: first guide blocks (51) are respectively fixed on two sides of the abutting piece (42), and first guide grooves are respectively formed in two sides of the first sliding groove (46); two first guide blocks (51) keep away from driving medium (41) one side and be fixed with first spring (53) respectively, every first spring (53) keep away from driving medium (41) one end all with first guide way and keep away from third spout (52) one side fixed connection.
3. A cast-in-situ bored pile structure according to claim 1, wherein: second guide blocks (54) are respectively fixed on two sides of the pressing piece (43), and second guide grooves are respectively formed in two sides of the second sliding groove (47); and a second spring (55) is fixed on one side, far away from the transmission piece (41), of each second guide block (54), and one end, close to the guide rail (21), of each second spring (55) is fixedly connected with one side, far away from the third sliding groove (52), of the second guide groove.
4. A cast-in-situ bored pile structure according to claim 1, wherein: and a third spring (5) is fixed on one side, close to the steel casing (1), of the fixing piece (63), and one end, far away from the fixing piece (63), of the third spring (5) is fixedly connected with one side, close to the steel casing (1), of the fifth sliding groove (65).
5. A method of constructing a cast-in-situ bored pile structure according to any one of claims 1 to 4, wherein: the method comprises the following steps:
s1, cleaning the ground and tamping the position of the cast-in-place pile to be formed;
s2, drilling and embedding the steel casing (1), and sleeving the support ring (11) on the periphery of the steel casing (1) before the steel casing (1) is embedded;
s3, paving guide rails (21) on two sides of the steel casing (1) respectively, rotating a lead screw (22) to enable a support ring (11) to ascend to be in contact with a fixing ring (61), and fixedly connecting the support ring (11) and the fixing ring (61) through a connecting assembly (6);
s4, installing a reinforcement cage in the steel casing (1), pouring concrete after the installation is finished, and taking out the steel casing (1) after the concrete is solidified.
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| CN113530440B (en) * | 2021-07-12 | 2024-02-06 | 宁波亿润建设有限公司 | Construction device for long spiral drilling cement paste wall-protecting type implanted pipe pile |
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| CN114108610A (en) * | 2021-10-25 | 2022-03-01 | 中化学建设投资集团有限公司 | Pipe gallery foundation high-pressure rotary-spraying miniature steel pipe plain concrete core-inserting combined pile |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4100750A (en) * | 1975-07-17 | 1978-07-18 | Labrue Jean Marie | Method for the production of piles cast in the ground and hollow auger for implementing the method |
| CN103510513A (en) * | 2013-10-16 | 2014-01-15 | 中铁十九局集团有限公司 | Cast-in-situ bored pile pile-foundation combination pile casing for percussion drilling tool |
| CN206052699U (en) * | 2016-09-20 | 2017-03-29 | 中冶建工集团有限公司 | Percussive drilling bored concrete pile pile foundation casing |
| CN110241818A (en) * | 2019-06-01 | 2019-09-17 | 天津弘野建设集团有限公司 | Drill-pouring pilework and its construction method |
| CN210341909U (en) * | 2019-06-05 | 2020-04-17 | 湖北省地质勘察基础工程有限公司 | Cast-in-situ bored pile protects a section of thick bamboo structure |
| CN211228486U (en) * | 2019-11-01 | 2020-08-11 | 中鑫建设集团有限公司 | Casing device for cast-in-situ bored pile construction |
| CN211340769U (en) * | 2019-12-12 | 2020-08-25 | 安徽建筑大学 | Bored concrete pile reinforced structure |
| CN111677276A (en) * | 2020-04-26 | 2020-09-18 | 台州市金天地建设工程有限公司 | Construction mold and construction process for building balcony |
| CN211621585U (en) * | 2019-12-31 | 2020-10-02 | 安徽水安建设集团股份有限公司 | Pile foundation protects a section of thick bamboo and transfers positioner |
-
2020
- 2020-10-09 CN CN202011071731.7A patent/CN112144525B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4100750A (en) * | 1975-07-17 | 1978-07-18 | Labrue Jean Marie | Method for the production of piles cast in the ground and hollow auger for implementing the method |
| CN103510513A (en) * | 2013-10-16 | 2014-01-15 | 中铁十九局集团有限公司 | Cast-in-situ bored pile pile-foundation combination pile casing for percussion drilling tool |
| CN206052699U (en) * | 2016-09-20 | 2017-03-29 | 中冶建工集团有限公司 | Percussive drilling bored concrete pile pile foundation casing |
| CN110241818A (en) * | 2019-06-01 | 2019-09-17 | 天津弘野建设集团有限公司 | Drill-pouring pilework and its construction method |
| CN210341909U (en) * | 2019-06-05 | 2020-04-17 | 湖北省地质勘察基础工程有限公司 | Cast-in-situ bored pile protects a section of thick bamboo structure |
| CN211228486U (en) * | 2019-11-01 | 2020-08-11 | 中鑫建设集团有限公司 | Casing device for cast-in-situ bored pile construction |
| CN211340769U (en) * | 2019-12-12 | 2020-08-25 | 安徽建筑大学 | Bored concrete pile reinforced structure |
| CN211621585U (en) * | 2019-12-31 | 2020-10-02 | 安徽水安建设集团股份有限公司 | Pile foundation protects a section of thick bamboo and transfers positioner |
| CN111677276A (en) * | 2020-04-26 | 2020-09-18 | 台州市金天地建设工程有限公司 | Construction mold and construction process for building balcony |
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