CN218540685U

CN218540685U - Fixing device of bored concrete pile for building foundation construction

Info

Publication number: CN218540685U
Application number: CN202222623720.6U
Authority: CN
Inventors: 张红川; 薛飞飞; 李香龙; 雷子锋; 廖文剑; 罗英鹏; 涂俊鹤; 林帅
Original assignee: China Construction Science And Industry Co ltd
Current assignee: China Construction Science And Industry Co ltd
Priority date: 2022-09-29
Filing date: 2022-09-29
Publication date: 2023-02-28
Anticipated expiration: 2032-09-29

Abstract

The utility model discloses a building foundation construction is with fixing device of bored concrete pile, include: the middle part of the limiting part is provided with a limiting cavity, the limiting cavity is used for surrounding the outer peripheral surface of the cast-in-place pile body and can be abutted against the end part of a reinforcement cage in the cast-in-place pile body, and the outer edge of the limiting part is provided with at least two fixing parts which extend out of the limiting cavity in the direction away from the limiting cavity; and the fixing part is arranged on the fixing part in a penetrating way and used for fixing the fixing part to a preset fixing object. Can fix the bored concrete pile for steel reinforcement cage in the bored concrete pile is fixed, is difficult for floating, improves the construction quality of bored concrete pile. The utility model discloses be applied to the installation auxiliary assembly field of bored concrete pile.

Description

Fixing device of bored concrete pile for building foundation construction

Technical Field

The utility model relates to an installation auxiliary assembly field of bored concrete pile, in particular to building foundation construction is with bored concrete pile's fixing device.

Background

With the vigorous development of the building industry, cast-in-place pile foundations are widely adopted in large-scale projects such as high-rise buildings, bridges, heavy plants, ports and docks, nuclear power stations and the like, and become the most important form of foundation engineering in engineering construction. However, in the construction process of the building foundation, when the concrete cast-in-place pile hole and the bottom of the reinforcement cage are formed, the cast-in-place concrete turns out from the guide pipe, large pressure from bottom to top is generated, the reinforcement cage and the like are easy to float upwards, the stability is poor, and the construction of the cast-in-place pile and the building foundation is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides a fixing device of bored concrete pile for building foundation construction can fix the bored concrete pile for steel reinforcement cage in the bored concrete pile is fixed, is difficult for floating, improves the construction quality of bored concrete pile.

According to the utility model discloses building foundation construction is with fixing device of bored concrete pile, include: the middle part of the limiting part is provided with a limiting cavity, the limiting cavity is used for surrounding the outer peripheral surface of the cast-in-place pile body and can be abutted against the end part of a reinforcement cage in the cast-in-place pile body, and the outer edge of the limiting part is provided with at least two fixing parts extending out of the limiting cavity in the direction away from the limiting cavity; and the fixing part is arranged on the fixing part in a penetrating way and used for fixing the fixing part to a preset fixing object.

According to the utility model discloses building foundation construction is with fixing device of bored concrete pile has following beneficial effect at least:

1. after a pile hole is drilled on the ground and a cast-in-place pile body is installed, a limiting part is installed at one end, extending out of the ground, of the cast-in-place pile body, a limiting cavity of the limiting part surrounds the installed cast-in-place pile body, when the limiting part surrounds the cast-in-place pile body, the end part of a reinforcement cage in the cast-in-place pile body is abutted against the end part of the reinforcement cage, then the limiting part is fixed to the ground through a fixing part, so that the limiting part fixes the cast-in-place pile body in the pile hole, the reinforcement cage and the like in the cast-in-place pile are not easy to float when concrete is poured, and the construction quality is higher,

2. meanwhile, the limiting piece surrounds and fixes the cast-in-place pile body, so that the cast-in-place pile body is positioned in the axial direction, and the cast-in-place pile body can be vertically arranged on the ground and is not easy to incline;

3. can directly realize the fixed of bored concrete pile body outer peripheral face and a steel reinforcement cage terminal surface in the bored concrete pile body through the locating part, simple to operate.

According to some embodiments of the present invention, the locating part is a limiting hoop structure.

According to the utility model discloses a some embodiments, spacing hoop structure includes two at least clamps that can splice, the clamp can splice and surround the bored concrete pile body, be equipped with the orientation on the clamp spacing fender portion that spacing cavity stretches out, spacing fender portion is used for the top face of the internal steel reinforcement cage of spacing bored concrete pile.

According to some embodiments of the utility model, the clamp is the arc form, has the both ends face, the clamp in terminal surface department is equipped with concatenation portion, concatenation portion orientation is kept away from one side of spacing cavity is stretched out, be equipped with the connecting hole that is used for the bolt lock to connect in the concatenation portion.

According to the utility model discloses a some embodiments, the mounting is including fixed nail and the anti-disengaging structure of pricking, the fixed nail of pricking is worn to establish on the fixed part, the fixed nail of pricking has the portion of inserting that can insert in predetermineeing fixed object, the anti-disengaging structure set up in on the portion of inserting, can stretch out the outer peripheral face of portion of inserting, with the reinforcement the portion of inserting is connected with predetermined fixed object.

According to some embodiments of the utility model, anti-disengaging structure includes movable rod and at least one reinforced nail, the movable rod is followed the fixed axial direction activity of pricking the nail set up in the fixed nail of pricking, and stretch out the fixed nail of pricking is kept away from the one end of insertion portion, be equipped with at least one activity through-hole on the outer peripheral face of insertion portion, reinforced nail with the activity through-hole one-to-one, reinforced nail with the movable rod transmission links to each other, can stretch out or withdraw under the drive of movable rod the activity through-hole.

According to the utility model discloses a some embodiments, the movable rod with it is equipped with the connecting rod to consolidate between the nail, the connecting rod with it keeps away from to consolidate the nail the one end in the activity through-hole outside is articulated to link to each other, it is in to consolidate the articulated setting of middle part slip of nail in the fixed nail of pricking, and can move towards activity through-hole place one side is rotated, the connecting rod with the movable rod is articulated to link to each other.

According to the utility model discloses a some embodiments, the movable rod stretches out fixed bundle nail is kept away from be equipped with on the part of insertion portion one end and connect the arch, connect the arch set up in on the outer peripheral face of movable rod, can with fixed bundle nail is kept away from the terminal surface looks butt of insertion portion one end.

According to some embodiments of the utility model, the fixed nail of pricking with link to each other through the screw thread between the fixed part.

According to some embodiments of the utility model, the fixed nail of pricking is kept away from the one end of insertion portion is equipped with the drive handle that is used for supplying the people to grip.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The invention will be further described with reference to the following drawings and examples, in which:

fig. 1 is a schematic structural view illustrating a fixing device of a cast-in-place pile for building foundation construction according to an embodiment of the present invention mounted on a cast-in-place pile body;

fig. 2 is an exploded view of a fixing device of a bored concrete pile for building foundation construction according to an embodiment of the present invention mounted on a bored concrete pile body;

fig. 3 is a schematic structural view of a fixing device for a bored concrete pile for building foundation construction according to an embodiment of the present invention;

fig. 4 is a schematic structural view of a clamp of a fixing device for a bored concrete pile for building foundation construction according to an embodiment of the present invention;

fig. 5 is a schematic structural view illustrating that the anti-slip structure of the fixing device of a bored concrete pile for building foundation construction according to an embodiment of the present invention rotates from the contracted state to the expanded state.

Reference numerals:

a stopper 100; a fixed part 110; a clamp 120; a limit stopper 121; a splice 122;

a fixing member 200; fixing the binding nail 210; the insertion portion 211; a movable through hole 212; a drive handle 213; an anti-coming-off structure 220; a movable rod 221; the coupling projection 2211; reinforcing nails 222; a link 223;

a cast-in-place pile body 300; a reinforcement cage 310.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship referred to in the description of the orientation, such as the upper and lower directions, is the orientation or positional relationship shown on the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore should not be construed as limiting the present invention.

In the description of the present invention, a plurality means two or more. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present invention, unless there is an explicit limitation, the terms such as setting, installing, connecting, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meaning of the terms in the present invention by combining the specific contents of the technical solution.

Referring to fig. 1 to 5, the utility model relates to a fixing device of bored concrete pile for building foundation construction of embodiment includes:

the middle part of the limiting member 100 is provided with a limiting chamber, the limiting chamber is used for surrounding the outer peripheral surface of the cast-in-place pile body 300 and can be abutted against the end part of a reinforcement cage 310 in the cast-in-place pile body 300, and the outer edge of the limiting member 100 is provided with at least two fixing parts 110 which extend out from the limiting chamber in the direction away from the limiting chamber;

the fixing member 200 is disposed on the fixing portion 110, and is used for fixing the fixing portion 110 to a predetermined fixing object.

Specifically, after a pile hole is drilled on the ground and a bored concrete pile body 300 is installed, a limiting member 100 is installed at one end of the bored concrete pile body 300, which extends out of the ground, a limiting chamber of the limiting member 100 surrounds the installed bored concrete pile body 300, and when surrounding, the limiting member abuts against an end of a reinforcement cage 310 in the bored concrete pile body 300, and then the limiting member 100 is fixed to the ground through a fixing member 200. The limiting piece 100 fixes the cast-in-place pile body 300 in the pile hole, a reinforcement cage 310 and the like in the cast-in-place pile are not easy to float when concrete is poured, the construction quality is higher, meanwhile, the limiting piece 100 surrounds and fixes the cast-in-place pile body 300, the axial direction positioning of the cast-in-place pile body 300 is realized, and the cast-in-place pile body 300 can be vertically arranged on the ground and is not easy to incline; the fixing of the outer circumferential surface of the bored concrete pile body 300 and one end surface of the reinforcement cage 310 in the bored concrete pile body 300 can be directly achieved by the limiting member 100, and the installation is convenient.

The preset fixed object can be the ground or a prefabricated fixed platform.

Referring to fig. 1, 2, 3 and 4, the position-limiting member 100 is a position-limiting hoop structure. The limiting hoop structure comprises at least two hoops 120 capable of being spliced, the hoops 120 can be spliced to surround the cast-in-place pile body 300, limiting blocking parts 121 extending towards the limiting cavity are arranged on the hoops 120, and the limiting blocking parts 121 are used for limiting the top end face of the steel reinforcement cage 310 in the cast-in-place pile body 300.

Specifically, the part of the clamp 120 that does not extend out towards the limiting cavity is a surrounding part, in this embodiment, the number of the clamp 120 is two, and the two clamps 120 are aligned and spliced to be connected, so that the two clamps 120 surround to form a ring, the two surrounding parts surround the top of the cast-in-place pile body 300, and the bottom of the limiting stopper 121 abuts against the top end face of the reinforcement cage 310 in the cast-in-place pile body 300, thereby positioning the cast-in-place pile body 300 and fixing the reinforcement cage 310.

It should be understood that when the number of the clips 120 is three or more, the clips 120 are sequentially wound and spliced to form a ring shape; moreover, the lengths of the clips 120 are not necessarily the same, and may be one long or one short, or may be the same.

As another embodiment, the spacing hoop comprises two hinged collars, one end of each hinged collar is hinged with one end of the other hinged collar, the other ends of the hinged collars are spliced with the other end of the other hinged collar through bolts, the two hinged collars can rotate to surround the cast-in-place pile body 300,

as another embodiment, the limiting chamber is in the shape of a circular truncated cone, the circular truncated cone has a large end and a small end, the large end is disposed at the end of the cast-in-place pile body 300 extending out of the ground, and the inner wall of the limiting chamber abuts against the outer edge of the cast-in-place pile body 300 and the outer edge of the reinforcement cage 310, so as to position the cast-in-place pile body 300 and abut against the reinforcement cage 310.

Referring to fig. 4, the hoop 120 is arc-shaped and has two end faces, a splicing portion 122 is disposed on the end face of the hoop 120, the splicing portion 122 extends out towards a side away from the limiting cavity, and a connecting hole for locking a bolt is disposed on the splicing portion 122.

It should be understood that when the two clips 120 are connected into a ring, the connecting portions 122 on the connecting ends of the two clips are aligned with each other, and the connecting holes on the connecting portions 122 are aligned with each other, and a bolt is inserted into the locking hole formed by the two connecting holes and is locked by a nut, thereby realizing the connection of the two clips 120.

Referring to fig. 5, the fixing member 200 includes a fixing nail 210 and an anti-coming-out structure 220, the fixing nail 210 is disposed on the fixing portion 110, the fixing nail 210 has an insertion portion 211 capable of being inserted into a predetermined fixing object, and the anti-coming-out structure 220 is disposed on the insertion portion 211 and capable of extending out of an outer circumferential surface of the insertion portion 211 to reinforce a connection between the insertion portion 211 and the predetermined fixing object.

The fixing member 200 may be a bolt, and the fixing table may be a concrete pouring table pre-embedded with a bolt hole, and is locked in the bolt hole by the bolt, and after the bolt is screwed into the bolt hole, the bolt head is clamped with the limiting member 100, so as to fix the limiting member 100.

It should be understood that after the fixing nail 210 is inserted into the ground, the anti-coming-out structure 220 can extend out of the outer peripheral surface of the insertion portion 211 to be clamped with the soil on the ground, so that the fixing nail 210 is not easily taken out of the ground, and is more reliable.

Referring to fig. 5, the anti-disengagement structure 220 includes a movable rod 221 and at least one reinforcing nail 222, the movable rod 221 is movably disposed in the fixed nail 210 along an axial direction of the fixed nail 210, and extends out of one end of the fixed nail 210 far away from the insertion portion 211, at least one movable through hole 212 is disposed on an outer circumferential surface of the insertion portion 211, the reinforcing nails 222 correspond to the movable through holes 212 one to one, the reinforcing nails 222 are connected with the movable rod 221 in a transmission manner, and can extend out or retract the movable through holes 212 under the driving of the movable rod 221.

Specifically, when the fixing prick nail 210 is inserted into the ground, the reinforcing nail 222 is retracted into the movable through hole 212 of the insertion portion 211, so that the insertion portion 211 of the fixing prick nail 210 is conveniently inserted into the ground, after the fixing prick nail 210 is inserted, the portion, extending out of one end of the fixing prick nail 210 away from the insertion portion 211, of the movable rod 221 is controlled to move along the axial direction of the fixing prick nail 210, so that the movable rod 221 drives the reinforcing nail 222 to move towards the outside of the movable through hole 212 and extend out of the movable through hole 212, and when the fixing prick nail 210 is subjected to a force in the direction of pulling out of the ground, the reinforcing nail 222 can be blocked and applied with a force in the opposite direction, so that the fixing prick nail 210 can be stably pricked in the soil.

In this embodiment, the number of the reinforcing pins 222 and the number of the movable through holes 212 are two, the two reinforcing pins 222 are disposed opposite to each other, and the two movable through holes 212 are disposed opposite to each other.

Referring to fig. 5, a connecting rod 223 is disposed between the movable rod 221 and the reinforcing nail 222, the connecting rod 223 is hinged to one end of the reinforcing nail 222 far away from the outer side of the movable through hole 212, the middle portion of the reinforcing nail 222 is slidably and hingedly disposed in the fixed binding nail 210 and can rotate towards the side where the movable through hole 212 is located, and the connecting rod 223 is hinged to the movable rod 221.

Wherein, the middle part of consolidating nail 222 is equipped with waist shape hole, and the long axis direction in waist shape hole sets up with the axial direction syntropy who consolidates nail 222, is equipped with the hinge bar on the fixed nail 210 of pricking, and the hinge bar can slide along the long axis direction in waist shape hole, and the waist shape hole can rotate around the hinge bar, realizes sliding hinge.

It should be understood that when the hinge point between the connecting rod 223 and the reinforcing nail 222 is located above the hinge point in the middle of the reinforcing nail 222, the end of the reinforcing nail 222 close to the outer side of the movable through hole 212 is located above the end of the reinforcing nail 222 far from the outer side of the movable through hole 212, the movable rod 221 moves upwards along the axial direction of the fixing nail 210, and the hinge point between the movable rod 221 and the connecting rod 223 is driven to move upwards, the middle of the reinforcing nail 222 rotates around the hinge shaft thereof, and the extra movement generated by the movement of the movable rod 221 is absorbed through the sliding of the kidney-shaped hole, at this time, the end of the reinforcing nail 222 far from the outer side of the movable through hole 212 will also move upwards, and the end of the reinforcing nail 222 close to the outer side of the movable through hole 212 will move downwards, so that the reinforcing nail 222 rotates in the vertical to horizontal direction, that the reinforcing nail 222 extends out of the movable through hole 212 and inserts into the soil, and the fixing nail 210 can be effectively reinforced.

When the movable rod 221 moves, the connecting rod 223 is driven to move, an included angle between the movable rod 221 and the connecting rod 223 changes, and according to the pythagorean theorem, when the lengths of the movable rod 221 and the connecting rod 223 are inconvenient and the included angle between the movable rod 221 and the connecting rod 223 changes, the distance from one end of the connecting rod 223 far away from the movable rod 221 to the connecting rod 223 changes, and the change of the distance is an excessive movement amount.

It should be understood that, when the hinge point of the connecting rod 223 and the reinforcing nail 222 is located below the hinge point of the middle portion of the reinforcing nail 222, the end of the reinforcing nail 222 close to the outer side of the movable through hole 212 is located below the end of the reinforcing nail 222 far from the outer side of the movable through hole 212, the movable rod 221 moves downward along the axial direction of the fixing nail 210, and the hinge point of the movable rod 221 and the connecting rod 223 moves downward, the middle portion of the reinforcing nail 222 rotates around the hinge shaft thereof, and the extra movement generated by the movement of the movable rod 221 is absorbed by the sliding of the waist-shaped hole, at this time, the end of the reinforcing nail 222 far from the outer side of the movable through hole 212 also moves downward, and the end of the reinforcing nail 222 close to the outer side of the movable through hole 212 moves upward, so that the reinforcing nail 222 rotates along the vertical to horizontal direction, that the reinforcing nail 222 extends out of the movable through hole 212 and is inserted into the soil, and the fixing nail 210 can be effectively reinforced.

Referring to fig. 5, a connection projection 2211 is provided on a portion of the movable rod 221 extending beyond one end of the fixed tack 210 away from the insertion portion 211, and the connection projection 2211 is provided on an outer peripheral surface of the movable rod 221 so as to be capable of coming into contact with an end surface of the fixed tack 210 away from one end of the insertion portion 211.

It is worth understanding that the connecting protrusion 2211 is arranged, so that the axial position of the movable rod 221 is conveniently limited, an end face of the movable rod 221, which partially extends out of one end of the fixed binding nail 210 far away from the insertion portion 211, is ensured to exist all the time, and a constructor can conveniently pull out the movable rod 221 along the axial direction of the fixed binding nail 210 and the direction far away from the insertion portion 211.

Referring to FIG. 5, the fixing tack 210 is threadedly coupled to the fixing portion 110.

It should be understood that the fixing nail 210 is screwed into the fixing portion 110 by a screw thread, and is fixedly connected to the fixing portion 110, and during the screwing process, the insertion portion 211 of the fixing nail 210 is also screwed into the soil, so as to fix the fixing nail 210, and the fixing manner is simple.

Referring to fig. 5, the end of the fixed tack 210 remote from the insertion portion 211 is provided with a driving grip 213 for gripping by a person.

It is worth understanding that the constructor can rotate the fixed nail 210 by holding the driving handle 213, so that the constructor can apply torque to the fixed nail 210, the rotation of the fixed nail 210 is realized, and the use is more convenient.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.

Claims

1. The utility model provides a fixing device of bored concrete pile for building foundation construction which characterized in that includes:

the middle part of the limiting piece (100) is provided with a limiting chamber, the limiting chamber is used for surrounding the outer peripheral surface of the cast-in-place pile body (300) and can be abutted against the end part of a reinforcement cage (310) in the cast-in-place pile body (300), and the outer edge of the limiting piece (100) is provided with at least two fixing parts (110) extending and arranged in the direction far away from the limiting chamber;

and the fixing piece (200) penetrates through the fixing part (110) and is used for fixing the fixing part (110) to a preset fixing object.

2. The fixing device of a bored concrete pile for construction of building foundation according to claim 1, wherein: the limiting piece (100) is of a limiting hoop structure.

3. The fixing device of a cast-in-place pile for building foundation construction according to claim 2, wherein: spacing hoop structure includes two at least clamps (120) that can splice, clamp (120) can splice and surround bored concrete pile body (300), be equipped with the orientation on clamp (120) spacing fender portion (121) that spacing cavity stretches out, spacing fender portion (121) are used for the top face of steel reinforcement cage (310) in the spacing bored concrete pile body (300).

4. The fixing device of a cast-in-place pile for building foundation construction according to claim 3, wherein: the clamp (120) are arc-shaped and have two end faces, the clamp (120) is arranged at the end face and provided with a splicing part (122), the splicing part (122) faces away from one side of the limiting cavity and stretches out, and a connecting hole for locking and connecting a bolt is formed in the splicing part (122).

5. The fixing device of a cast-in-place pile for construction of a building foundation according to any one of claims 1 to 4, wherein: mounting (200) are including fixed nail (210) and anti-disengaging structure (220) prick, fixed nail (210) of pricking is worn to establish on fixed part (110), fixed nail (210) of pricking has insertion portion (211) that can insert in predetermineeing fixed object, anti-disengaging structure (220) set up in on insertion portion (211), can stretch out the outer peripheral face of insertion portion (211) is in order to consolidate insertion portion (211) with predetermine fixed object's being connected.

6. The fixing device of a cast-in-place pile for building foundation construction according to claim 5, wherein: anti-disengagement structure (220) are including movable rod (221) and at least one reinforced nail (222), movable rod (221) are followed the fixed axial direction activity of pricking nail (210) set up in fixed pricking nail (210) is interior, and stretches out fixed pricking nail (210) is kept away from the one end of portion of inserting (211), be equipped with at least one activity through-hole (212) on the outer peripheral face of portion of inserting (211), reinforced nail (222) with activity through-hole (212) one-to-one, reinforced nail (222) with movable rod (221) transmission links to each other, can under the drive of movable rod (221), stretch out or withdraw activity through-hole (212).

7. The fixing device of a bored concrete pile for construction of building foundation according to claim 6, wherein: the movable rod (221) and be equipped with connecting rod (223) between reinforcing nail (222), connecting rod (223) with reinforcing nail (222) are kept away from the one end in activity through-hole (212) outside is articulated to be connected to each other, the middle part of reinforcing nail (222) slides to articulate and sets up in fixed nail (210) of pricking, and can face activity through-hole (212) place one side is rotated, connecting rod (223) with movable rod (221) are articulated to be connected to each other.

8. The fixing device of a cast-in-place pile for building foundation construction according to claim 6, wherein: the movable rod (221) stretches out fixed nail (210) of pricking is kept away from be equipped with on the part of inserting portion (211) one end and connect protruding (2211), connect protruding (2211) set up in on the outer peripheral face of movable rod (221), can with fixed nail (210) of pricking is kept away from the terminal surface looks butt of inserting portion (211) one end.

9. The fixing device of a cast-in-place pile for building foundation construction according to claim 5, wherein: the fixed binding nail (210) is connected with the fixed part (110) through threads.

10. The fixing device of a cast-in-place pile for building foundation construction according to claim 8, wherein: one end of the fixed binding nail (210) far away from the insertion part (211) is provided with a driving handle (213) for being held by a person.