Sectional connecting structure of cast-in-place concrete pile reinforcement cage

By using a segmented steel cage structure and a snap-fit ​​connection with steel sleeves, the problem of cumbersome segmented connection of steel cages in existing technologies is solved, enabling fast and simple hoisting connection and improving construction efficiency.

CN223562137UActive Publication Date: 2025-11-18ZHEJIANG SHATAI FOUNDATION ENG CO LTD
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Patent Information

Application Number
CN202422302275.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-20
Publication Date
2025-11-18
Estimated Expiration
2034-09-20

AI Technical Summary

Technical Problem

The existing segmented connection structure of cast-in-place pile reinforcement cages is cumbersome to operate, requiring multiple connecting components, which makes the hoisting process complicated.

Method used

A segmented steel cage structure is adopted, and steel cages are quickly connected by using steel sleeves and rotatable connectors through the snap-fit ​​method of sliding groove holes and fixed grooves, eliminating the need for welding operations.

Benefits of technology

The process of connecting the steel cage was simplified, hoisting efficiency was improved, operating steps were reduced, and construction efficiency was increased.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a cast-in-place concrete pile reinforcement cage segmental connecting structure which comprises a reinforcement cage segmental connecting assembly and a segmental reinforcement cage, a reinforcement sleeve is fixed to the end of a vertical rib of the segmental reinforcement cage, and the reinforcement cage segmental connecting assembly comprises an upper connecting piece, a lower connecting piece and a fixing part. The upper connecting piece and the lower connecting piece are rotatably connected to the upper end and the lower end of the fixing part respectively, the upper connecting piece and the lower connecting piece are each provided with a plurality of sliding groove holes, a positioning piece is arranged on one side of the bottom of each sliding groove hole, and fixing grooves are formed in the upper end and the lower end of the fixing part respectively. The steel bar sleeves of the adjacent sectional type steel bar cages penetrate through the sliding groove holes to be clamped into the fixing grooves correspondingly, and then the upper connecting pieces and the lower connecting pieces are rotated correspondingly, so that the positioning pieces are clamped to the upper end portions of the steel bar sleeves. The connecting structure can more conveniently realize segmented connection of the long reinforcement cage, vertical ribs of the reinforcement cage do not need to be welded one by one, and the construction efficiency is improved.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to the field of cast-in-place pile reinforcement cage, and particularly relates to a concrete cast-in-place pile reinforcement cage sectional connection structure. BACKGROUND

[0002] The reinforcement cage is a structural element composed of steel bars and mesh, and the main role of the reinforcement cage in the cast-in-place pile is to play a tensile role. The reinforcement cage plays a restraining role on the pile body concrete, so that the pile body can bear a certain axial tension, the bearing capacity and stability of the pile body are enhanced, and the deformation and damage degree of the pile body caused by external load are reduced, so as to ensure the quality and safety of the pile foundation. With the increase of the length of the cast-in-place pile, the hoisting construction of the long reinforcement cage is a problem that needs to be considered.

[0003] The Chinese patent with the publication number CN212926055U discloses a cast-in-place pile reinforcement cage sectional butt joint structure, which discloses: a cast-in-place pile reinforcement cage sectional butt joint structure, comprising a connecting body, the connecting body comprises a fastener, a connecting plate and a connecting block, the fastener is bent-shaped, forming a surrounding cavity with an open side, the ends of two reinforcement cages are respectively placed in the surrounding cavity, the two ends of the fastener respectively have a connecting segment that passes through the main reinforcement, the connecting segment passes through the connecting plate, the connecting plate abuts against the main reinforcement, the connecting block is sleeved on the connecting segment and abuts against the connecting plate; the fastener is bent to form a surrounding cavity with an open side, the ends of two reinforcement cages are respectively placed in the surrounding cavity, the connecting segment connects the two ends of the fastener, and the connecting block further fixes the connecting segment and the fastener, so that the ends of the two reinforcement cages are firmly fixed.

[0004] However, it still has the following disadvantages: it adopts multiple connecting members, and the connecting parts of the two sections of reinforcement cages need to be processed one by one when butt joint, which is relatively cumbersome to operate. Therefore, it is necessary to solve the problems of multiple butt joint members and cumbersome operation when hoisting and butt jointing the two sections of reinforcement cages. SUMMARY

[0005] In view of the deficiencies in the background art, the technical problem to be solved by the utility model is to provide a concrete cast-in-place pile reinforcement cage sectional connection structure, which can conveniently and quickly realize the connection of the sectional reinforcement cage when hoisting.

[0006] Therefore, the utility model is implemented by adopting the following technical solutions:

[0007] A concrete bored pile reinforcement cage sectional connection structure, comprising a reinforcement cage sectional connection assembly and a sectional reinforcement cage, characterized in that: a reinforcement sleeve is fixed to the end of the vertical reinforcement of the sectional reinforcement cage, the reinforcement cage sectional connection assembly comprises an upper connecting piece, a lower connecting piece and a fixed part, the upper connecting piece and the lower connecting piece are respectively rotatably connected to the upper and lower ends of the fixed part, the upper connecting piece and the lower connecting piece are respectively provided with a plurality of upper sliding groove holes and lower sliding groove holes, and each sliding groove hole is provided with a positioning piece on one side of the bottom, the upper and lower ends of the fixed part are respectively provided with an upper fixed groove and a lower fixed groove, during installation, the reinforcement sleeves of adjacent sectional reinforcement cages are respectively inserted into the upper fixed groove or the lower fixed groove through the upper sliding groove hole and the lower sliding groove hole, and then the upper connecting piece and the lower connecting piece are respectively rotated to enable the positioning piece to be clamped on the upper end of the reinforcement sleeve, so that the reinforcement sleeves of adjacent sectional reinforcement cages are respectively limited and fixed in the upper fixed groove and the lower fixed groove.

[0008] Further, the upper connecting piece comprises an upper limiting part and an upper hollow connecting part, a plurality of sliding groove holes are sequentially distributed on the upper limiting part, and the upper hollow connecting part is threadedly connected to the upper end of the fixed part; the lower connecting piece comprises a lower limiting part and a lower hollow connecting part, a plurality of sliding groove holes are sequentially distributed on the lower limiting part, and the lower hollow connecting part is threadedly connected to the lower end of the fixed part.

[0009] Further, the upper sliding groove hole and the lower sliding groove hole comprise a circular through hole and an arc-shaped through hole, the circular through hole is adapted to the reinforcement sleeve, the arc-shaped through hole is in communication with the circular through hole, the width of the arc-shaped through hole is smaller than the diameter of the circular through hole, the arc-shaped through hole provides a sliding space for the vertical reinforcement of the reinforcement cage, before installation of the sectional reinforcement cage, the upper connecting piece and the lower connecting piece are respectively rotated to enable the circular through hole of the upper sliding groove hole to be in a communication state with the upper fixed groove and the circular through hole of the lower sliding groove hole to be in a communication state with the lower fixed groove.

[0010] Further, the positioning piece is arranged below the arc-shaped through hole in the sliding groove hole, and one end of the positioning piece is provided with a clamping groove adapted to the vertical reinforcement of the reinforcement cage.

[0011] Further, the plurality of upper sliding groove holes are circularly distributed on the surface of the upper connecting piece, the plurality of lower sliding groove holes are circularly distributed on the surface of the lower connecting piece, and the number of the upper sliding groove holes and the lower sliding groove holes respectively matches the number of the upper vertical reinforcement of the reinforcement cage and the lower vertical reinforcement of the reinforcement cage.

[0012] Further, the surface of the positioning piece is covered with rubber.

[0013] After the above technical scheme is adopted, the following beneficial effects are achieved:

[0014] The concrete pouring pile reinforcement cage sectional connection structure provided by the utility model can conveniently and quickly complete the connection between the upper and lower two sections of reinforcement cages under the condition of hoisting the reinforcement cage, fix the sectional reinforcement cage in the clamping position through the rotating fixing part, and the welding operation on the vertical reinforcement of each reinforcement cage is saved, thereby effectively improving the construction efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0015] The utility model discloses a sectional connection structure of concrete pouring pile reinforcement cage has as follows attached drawings:

[0016] Fig. 1 It is a kind of concrete pouring pile reinforcement cage sectional connection structure's overhead angle structure schematic diagram;

[0017] Fig. 2 It is a kind of concrete pouring pile reinforcement cage sectional connection structure's connection state schematic diagram;

[0018] Fig. 3 It is a kind of concrete pouring pile reinforcement cage sectional connection structure's section view;

[0019] Fig. 4 It is a kind of concrete pouring pile reinforcement cage sectional connection structure's reinforcement cage vertical reinforcement insertion state section view;

[0020] Fig. 5 It is a kind of concrete pouring pile reinforcement cage sectional connection structure's reinforcement cage vertical reinforcement fixed state section view;

[0021] Fig. 6 It is a kind of concrete pouring pile reinforcement cage sectional connection structure's connecting portion sliding slot hole and internal positioning piece overhead view.

[0022] Reference signs: 1, upper sliding slot hole;2, upper limiting portion;3, lower limiting portion;4, fixed part;5, upper reinforcement cage;6, lower reinforcement cage;7, reinforcement sleeve;8, upper fixed groove;9, lower fixed groove;10, positioning piece;11, upper hollow connecting portion;12, lower hollow connecting portion;13, lower sliding slot hole;14, round through-hole;15, arc-shaped through-hole. DETAILED DESCRIPTION

[0023] To further illustrate the technical means and effects adopted by the present application to achieve the predetermined object, the specific embodiments, structures, features and effects according to the present application are described in detail as follows in combination with the drawings and preferred embodiments.

[0024] REFERENCE Figs. 1-4The utility model discloses a kind of reinforced cage sectional connection structures of cast-in-place concrete pile, as shown in the first embodiment of the utility model provides a kind of reinforced cage sectional connection structures of cast-in-place concrete pile, including reinforced cage sectional connection assembly and sectional reinforced cage, characterized by: sectional reinforced cage vertical reinforcement end portion is fixed with reinforcing sleeve 7, the reinforced cage sectional connection assembly includes upper connecting piece, lower connecting piece and fixed part 4, upper connecting piece and lower connecting piece are rotatably connected on the upper and lower ends of fixed part 4 respectively, upper connecting piece and lower connecting piece are respectively provided with multiple upper sliding slot holes 1 and lower sliding slot holes 13, and each sliding slot hole bottom side is configured with positioning member 10.

[0025] The upper connecting piece includes upper limiting portion 2 and upper hollow connecting portion 11, and multiple sliding slot holes are sequentially distributed on the upper limiting portion 2. The upper hollow connecting portion 11 is threadedly connected to the upper end of the fixed part 4. The lower connecting piece includes lower limiting portion 3 and lower hollow connecting portion 12, and multiple sliding slot holes are sequentially distributed on the lower limiting portion 3. The lower hollow connecting portion 12 is threadedly connected to the lower end of the fixed part 4.

[0026] The upper and lower ends of the fixed part 4 are respectively provided with upper fixed grooves 8 and lower fixed grooves 9. During installation, the reinforcing sleeves 7 of adjacent sectional reinforced cages are respectively inserted into the upper fixed grooves 8 or the lower fixed grooves 9 through the upper sliding slot holes 1 and the lower sliding slot holes 13, and then the upper connecting piece and the lower connecting piece are respectively rotated to enable the positioning members 10 to be clamped on the upper ends of the reinforcing sleeves 7, so that the reinforcing sleeves of adjacent sectional reinforced cages are respectively limited and fixed in the upper fixed grooves 8 and the lower fixed grooves 9.

[0027] The upper sliding slot holes 1 and the lower sliding slot holes 13 include circular through holes 14 and arc-shaped through holes 15. The circular through holes 14 are adapted to the reinforcing sleeves 7. The arc-shaped through holes 15 are in communication with the circular through holes 14. The width of the arc-shaped through holes 15 is smaller than the diameter of the circular through holes 14. The arc-shaped through holes 15 provide sliding space for the vertical reinforcement of the reinforced cage. Before the installation of the sectional reinforced cage, the upper connecting piece and the lower connecting piece are respectively rotated to enable the circular through holes of the upper sliding slot holes 1 to be in a conductive state with the upper fixed grooves 8, and the circular through holes of the lower sliding slot holes 13 to be in a conductive state with the lower fixed grooves 9.

[0028] The multiple upper sliding slot holes 1 are circularly distributed on the surface of the upper connecting piece. The multiple lower sliding slot holes 13 are circularly distributed on the surface of the lower connecting piece. The number of the upper sliding slot holes 1 and the lower sliding slot holes 13 respectively matches the number of the upper vertical reinforcement and the lower vertical reinforcement of the reinforced cage.

[0029] The positioning member 10 is arranged below the position of the arc-shaped through hole 15 in the sliding slot hole. One end of the positioning member 10 is provided with a clamping groove adapted to the vertical reinforcement of the reinforced cage. The surface of the positioning member 10 is covered with rubber.

[0030] The utility model discloses a construction method: hoist and mount the lower reinforcement cage 6 and insert the pile foundation, and the lower reinforcement cage 6 vertical reinforcement connects the end portion on the sleeve joint steel sleeve 7, and the round through -hole 14 of the lower connecting piece sliding slot hole of the connecting structure is aligned the vertical reinforcement position of reinforcement cage, makes steel sleeve 7 through the round through -hole 14 and inserts the lower fixed groove 9 of fixed part, rotates the lower connecting piece, and the positioning piece 10 in sliding slot hole is moved to the opening end of lower fixed groove 9, simultaneously, the vertical reinforcement of steel sleeve upper end is clamped into the card slot of positioning piece 10, makes the positioning piece 10 seal the opening end of lower fixed groove 9, prevents steel sleeve 7 from separating from the reinforcement cage sectional connection assembly, and simultaneously rotates the lower connecting piece to make the threaded fixing locking between the lower connecting piece and fixed part 4, and the lower reinforcement cage 6 and steel sectional connection assembly complete fixed connection. After positioning the lower reinforcement cage 6, hoist and mount the upper reinforcement cage 5, and the upper reinforcement cage 5 vertical reinforcement connects the end portion on the sleeve joint steel sleeve 7, and makes steel sleeve 7 align the round through -hole 14 of upper connecting piece sliding slot hole, and vertically lowers the upper reinforcement cage 5, and makes steel sleeve 7 pass through the round through -hole and insert the upper fixed groove 8 of fixed part, rotates the upper connecting piece, and makes the positioning piece 10 in upper sliding slot hole and move to the opening end of upper fixed groove 8, simultaneously, the vertical reinforcement of steel sleeve upper end is clamped into the card slot of positioning piece 10, and the positioning piece 10 in sliding slot hole seals the opening end of the upper fixed groove 8 of fixed part, makes steel sleeve 7 fixed in the upper fixed groove 8, prevents steel sleeve 7 from separating from the reinforcement cage sectional connection assembly. And because the surface of positioning piece 10 is covered with rubber, can be more closely connected with the steel sleeve 7 in the upper and lower fixed grooves, thereby realizing fixed connection of the upper and lower reinforcement cages through the reinforcement cage sectional connection assembly. The scheme can be implemented when hoisting, and the operation is simple, and it is not necessary to weld the vertical reinforcement of reinforcement cage one by one, and the construction efficiency is improved.

[0031] The above is only the preferred embodiment of the present application, and does not limit the present application in any form. Although the present application has been disclosed as above, it is not intended to limit the present application. Any person skilled in the art can make some changes or modifications to the above disclosed technical content without departing from the scope of the present application, and any equivalent embodiments with equivalent changes and modifications are still within the scope of the present application.

Claims

1. A segmented connection structure of a reinforcement cage of a cast-in-place concrete pile, comprising a segmented connection assembly of a reinforcement cage and a segmented reinforcement cage, characterized in that: The vertical reinforcement end of the sectional reinforcement cage is fixed with a reinforcement sleeve, the sectional reinforcement cage joint assembly comprises an upper connector, a lower connector and a fixed part, the upper connector and the lower connector are respectively rotatably connected to the upper and lower ends of the fixed part, the upper connector and the lower connector are respectively provided with a plurality of upper sliding groove holes and lower sliding groove holes, each sliding groove hole is provided with a positioning piece on one side of the bottom, the upper and lower ends of the fixed part are respectively provided with an upper fixed groove and a lower fixed groove, during installation, the reinforcement sleeves of adjacent sectional reinforcement cages are respectively inserted into the upper fixed groove or the lower fixed groove through the upper sliding groove hole and the lower sliding groove hole, and then the upper connector and the lower connector are respectively rotated, so that the positioning piece is clamped on the upper end of the reinforcement sleeve, so that the reinforcement sleeves of adjacent sectional reinforcement cages are respectively limited and fixed in the upper fixed groove and the lower fixed groove.

2. The sectional connection structure of a reinforcement cage for a cast-in-place pile according to claim 1, characterized in that: The upper connector comprises an upper limiting part and an upper hollow connecting part, a plurality of sliding groove holes are sequentially distributed on the upper limiting part, and the upper hollow connecting part is threadedly connected to the upper end of the fixed part, the lower connector comprises a lower limiting part and a lower hollow connecting part, a plurality of sliding groove holes are sequentially distributed on the lower limiting part, and the lower hollow connecting part is threadedly connected to the lower end of the fixed part.

3. The sectional connection structure of a reinforcement cage for a cast-in-place pile according to claim 1 or 2, characterized in that: The upper sliding groove hole and the lower sliding groove hole comprise a circular through hole and an arc-shaped through hole, the circular through hole is matched with the reinforcement sleeve, the arc-shaped through hole is in communication with the circular through hole, the width of the arc-shaped through hole is smaller than the diameter of the circular through hole, the arc-shaped through hole provides a sliding space for the vertical reinforcement of the reinforcement cage, before installation of the sectional reinforcement cage, the upper connector and the lower connector are respectively rotated, so that the circular through hole of the upper sliding groove hole is in communication with the upper fixed groove, and the circular through hole of the lower sliding groove hole is in communication with the lower fixed groove.

4. The segmental connecting structure of a reinforcement cage for a cast-in-place concrete pile according to claim 3, characterized in that: The positioning piece is arranged below the arc-shaped through hole in the sliding groove hole, and one end of the positioning piece is provided with a clamping groove matched with the vertical reinforcement of the reinforcement cage.

5. The segmental connecting structure of a reinforcement cage for a cast-in-place concrete pile according to claim 4, characterized in that: The plurality of upper sliding groove holes are circularly distributed on the surface of the upper connector, and the plurality of lower sliding groove holes are circularly distributed on the surface of the lower connector, and the number of the upper sliding groove holes and the lower sliding groove holes respectively matches the number of the upper vertical reinforcement and the lower vertical reinforcement.

6. The sectional connection structure of a reinforcement cage for a cast-in-place pile according to claim 4, characterized in that: The surface of the positioning piece is covered with rubber.

Citation Information

Patent Citations

  • Cast-in-place pile reinforcement cage segmented butt joint structure

    CN212926055U