CN211948384U

CN211948384U - Tension-free cast-in-place pile foundation

Info

Publication number: CN211948384U
Application number: CN201922371846.7U
Authority: CN
Inventors: 肖莹; 肖红卫; 华成仁
Original assignee: Hubei Ruihong New Energy Equipment Co ltd
Current assignee: Hubei Ruihong New Energy Equipment Co ltd
Priority date: 2019-12-25
Filing date: 2019-12-25
Publication date: 2020-11-17
Anticipated expiration: 2029-12-25

Abstract

The utility model discloses a tension-free cast-in-place pile foundation, including outer barrel, interior barrel, peripheral concrete, backup pad, extension rod, reinforced concrete base member, staple bolt, connecting block, bolt, fixed block, reinforcing bar and reinforced concrete cylinder. The utility model has simple structure and convenient operation, can protect the internal concrete by adopting the outer cylinder and the inner cylinder, can further improve the structural quality of the cast-in-place pile foundation by the design of the hoop and the reinforcing steel bar, avoids the danger caused by tension expansion, prolongs the service life of the cast-in-place pile and greatly prolongs the service life; the utility model discloses an adopt the reinforced concrete base member to improve the support intensity of bored concrete pile, the fixed of barrel in also making things convenient for, the convenience is buried reinforced concrete main part, has improved the durability of bored concrete pile, adopts peripheral concrete can keep the bored concrete pile can not take place to collapse the accident such as.

Description

Tension-free cast-in-place pile foundation

Technical Field

The utility model relates to a bored concrete pile basis specifically is a tension-free bored concrete pile basis, belongs to bored concrete pile basis application technical field.

Background

The cast-in-place pile has the advantages of no vibration during construction, no soil squeezing, low noise, suitability for use in dense urban building areas and the like, is widely applied to construction, and can be divided into a cast-in-place pile for dry operation hole forming, a cast-in-place pile for slurry retaining wall hole forming, a cast-in-place pile for manual hole digging and the like according to different hole forming processes, and the cast-in-place pile can be divided into a cast-in-place pile, a immersed tube cast-in-place pile, a manual hole digging cast-in-place pile, an explosion-expanded cast-in-place pile and the like according to different hole forming methods.

The existing cast-in-place pile is mainly used for urban buildings, mainly comprises a cast-in-place pile, a immersed tube cast-in-place pile and the like, large equipment or buildings need to be supported during cast-in-place pile construction, the quality of the cast-in-place pile influences the quality of the whole construction as a foundation, deformation occurs due to the fact that tension expansion of the cast-in-place pile easily occurs during the support of the large equipment or the construction, danger is easily caused after long-time use, and the safety of a cast-in-place pile foundation is reduced. Therefore, a tension-free cast-in-place pile foundation is provided for solving the problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a tension-free bored concrete pile foundation for solving the above problems.

The utility model discloses a following technical scheme realizes above-mentioned purpose, a tension-free bored concrete pile basis, including being located the inside interior barrel of outer barrel, the outside packing of outer barrel has peripheral concrete, outer barrel bottom is equipped with the backup pad, and packs between backup pad and the outer barrel and have the reinforced concrete base member, interior barrel outer wall and staple bolt fixed connection, the staple bolt surface is equipped with a plurality of connecting block, and connecting block and bolt through connection, bolt and fixed block threaded connection, and staple bolt and a plurality of reinforcing bar through connection, the inside reinforced concrete cylinder that is equipped with of interior barrel.

Preferably, outer barrel and interior barrel all are ring annular structure, interior barrel is located inside a plurality of staple bolt, and every staple bolt all with a plurality of evenly distributed's connecting block fixed connection.

Preferably, the inner wall of the outer cylinder is fixedly connected with a plurality of uniformly distributed fixing blocks, and each fixing block is provided with a corresponding connecting block.

Preferably, the reinforced concrete base body is poured into the bottom end of the inner barrel body, a plurality of extension rods are inserted into the surface of the reinforced concrete base body, and the surface of the reinforced concrete base body is attached to the support plate.

Preferably, the supporting plate is of a circular ring-shaped structure, the edge of the supporting plate is in threaded connection with the plurality of reinforcing steel bars, and the plurality of reinforcing steel bars are distributed in a circular and uniform manner.

Preferably, the reinforcing bar is located the outside of interior barrel, reinforcing bar and a plurality of staple bolt through connection, and every staple bolt cross-section all is L shape structure.

The utility model has the advantages that:

1. the utility model has simple structure and convenient operation, can protect the internal concrete by adopting the outer cylinder and the inner cylinder, can further improve the structural quality of the cast-in-place pile foundation by the design of the hoop and the reinforcing steel bar, avoids the danger caused by tension expansion, prolongs the service life of the cast-in-place pile and greatly prolongs the service life;

2. the utility model discloses an adopt the reinforced concrete base member to improve the support intensity of bored concrete pile, the fixed of barrel in also making things convenient for, the convenience is buried reinforced concrete main part, has improved the durability of bored concrete pile, adopts peripheral concrete can keep the bored concrete pile can not take place to collapse the accident such as.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without inventive exercise.

FIG. 1 is a schematic view of the interior of the present invention;

FIG. 2 is a schematic view of the external front view structure of the inner cylinder of the present invention;

fig. 3 is a schematic view of the top view structure of the present invention.

In the figure: 1. the outer cylinder body, 2, interior cylinder body, 3, peripheral concrete, 4, backup pad, 5, extension rod, 6, reinforced concrete base member, 7, staple bolt, 8, connecting block, 9, bolt, 10, fixed block, 11, reinforcing bar, 12, reinforced concrete cylinder.

Detailed Description

In order to make the objects, features and advantages of the present invention more obvious and understandable, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments of the present invention, and obviously, the embodiments described below are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Referring to fig. 1-3, a tension-free cast-in-place pile foundation includes an inner cylinder 2 located inside an outer cylinder 1, peripheral concrete 3 is filled outside the outer cylinder 1, a support plate 4 is arranged at the bottom of the outer cylinder 1, a reinforced concrete matrix 6 is filled between the support plate 4 and the outer cylinder 1, the outer wall of the inner cylinder 2 is fixedly connected with a hoop 7, a plurality of connecting blocks 8 are arranged on the surface of the hoop 7, the connecting blocks 8 are in through connection with bolts 9, the bolts 9 are in threaded connection with a fixing block 10, the hoop 7 is in through connection with a plurality of reinforcing steel bars 11, and a reinforced concrete cylinder 12 is arranged inside the inner cylinder 2.

The outer barrel body 1 and the inner barrel body 2 are both in a circular ring structure, the inner barrel body 2 is positioned inside a plurality of anchor ears 7, and each anchor ear 7 is fixedly connected with a plurality of uniformly distributed connecting blocks 8; the inner wall of the outer cylinder 1 is fixedly connected with a plurality of uniformly distributed fixed blocks 10, and each fixed block 10 is correspondingly provided with a connecting block 8; a reinforced concrete matrix 6 is poured into the bottom end of the inner barrel 2, a plurality of extension rods 5 are inserted into the surface of the reinforced concrete matrix 6, and the surface of the reinforced concrete matrix 6 is attached to and connected with the support plate 4; the supporting plate 4 is of a circular ring-shaped structure, the edge of the supporting plate 4 is in threaded connection with the plurality of reinforcing steel bars 11, and the plurality of reinforcing steel bars 11 are uniformly distributed in a circular shape; the reinforcing bar 11 is located the outside of barrel 2 in, reinforcing bar 11 and a plurality of staple bolt 7 through connection, and 7 cross-sections of every staple bolt all are L shape structure.

When the utility model is used, the outer cylinder body 1 is arranged in the ground bottom, the gap between the soil and the outer cylinder body 1 is poured with the peripheral concrete 3, the structural strength of the outer cylinder body 1 is ensured, the subsequent construction is convenient, after the operation is finished, the reinforced concrete matrix 6 is poured in the outer cylinder body 1, and the surface of the reinforced concrete matrix is leveled, the supporting plate 4 is arranged in the outer cylinder body 1 before the reinforced concrete matrix 6 is not condensed, a plurality of extension rods 5 at the bottom of the reinforced concrete matrix are inserted into the reinforced concrete matrix 6, the supporting plate 4 is fixed after the reinforced concrete matrix is condensed, the inner cylinder body 2 is arranged in the outer cylinder body 1, the connecting block 8 on the hoop 7 on the outer surface of the inner cylinder body 2 is rotated to correspond to the fixed block 10, the connecting block 8 and the fixed block 10 are connected through the bolt 9, the inner cylinder body 2 is fixed, the reinforcing steel bar 11 is inserted into the supporting plate 4 after passing through the, and finally, pouring slurry into the gap between the outer barrel 1 and the inner barrel 2 and tamping the slurry, and burying the reinforced concrete column 12 in the inner barrel 2 to complete the construction of the cast-in-place pile, improve the structural strength of the cast-in-place pile foundation, effectively improve the supporting force and avoid tension expansion.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims

1. A tension-free cast-in-place pile foundation is characterized in that: the novel steel bar reinforced concrete outer barrel is characterized by comprising an inner barrel (2) located inside an outer barrel (1), peripheral concrete (3) is filled in the outer side of the outer barrel (1), a supporting plate (4) is arranged at the bottom of the outer barrel (1), a reinforced concrete base body (6) is filled between the supporting plate (4) and the outer barrel (1), the outer wall of the inner barrel (2) is fixedly connected with a hoop (7), a plurality of connecting blocks (8) are arranged on the surface of the hoop (7), the connecting blocks (8) are in through connection with bolts (9), the bolts (9) are in threaded connection with fixing blocks (10), the hoop (7) is in through connection with a plurality of steel bars (11), and a reinforced concrete cylinder (12) is arranged inside the inner barrel (2).

2. The tension-free cast-in-place pile foundation of claim 1, wherein: outer barrel (1) and interior barrel (2) all are the ring structure, interior barrel (2) are located inside a plurality of staple bolt (7), and every staple bolt (7) all with a plurality of evenly distributed's connecting block (8) fixed connection.

3. The tension-free cast-in-place pile foundation of claim 1, wherein: the inner wall of the outer barrel (1) is fixedly connected with a plurality of uniformly distributed fixing blocks (10), and each fixing block (10) is correspondingly provided with a connecting block (8).

4. The tension-free cast-in-place pile foundation of claim 1, wherein: the reinforced concrete base body (6) is poured inside the bottom end of the inner barrel body (2), the surface of the reinforced concrete base body (6) is spliced with a plurality of extension rods (5), and the surface of the reinforced concrete base body (6) is attached to and connected with the supporting plate (4).

5. The tension-free cast-in-place pile foundation of claim 1, wherein: backup pad (4) are ring form structure, backup pad (4) edge and a plurality of reinforcing bar (11) threaded connection, and a plurality of reinforcing bar (11) all are circular evenly distributed.

6. The tension-free cast-in-place pile foundation of claim 1, wherein: the reinforcing steel bar (11) are located on the outer side of the inner barrel body (2), the reinforcing steel bar (11) is in through connection with the anchor ears (7), and the cross section of each anchor ear (7) is of an L-shaped structure.