Reinforcement cage structure for foundation pile

Abstract

The utility model discloses a reinforcement cage structure for a foundation pile, which comprises a plurality of supporting steel bars and annular steel bars, and further comprises a plurality of groups of reinforcing steel bars, the plurality of groups of reinforcing steel bars are arranged at equal intervals along the vertical direction, each group of reinforcing steel bars comprises 12 reinforcing steel bars, and the 12 reinforcing steel bars are arranged at equal intervals along the vertical direction. The reinforcing steel bars are welded and fixed to the corresponding annular steel bars, and the included angle between every two adjacent reinforcing steel bars is 30 degrees. The multiple sets of reinforcing steel bars are arranged in the annular steel bars, and the included angle of each set of 12 reinforcing steel bars is 30 degrees, so that 360-degree reinforcing supporting of the annular steel bars is achieved, the structural strength of the steel reinforcement cage structure is improved, the foundation pile can bear larger acting force in the horizontal direction, and the supporting stability of the foundation pile to a building is improved.

Description

Technical Field

[0001] The utility model relates to the field of foundation piles, in particular to a steel cage structure for foundation piles. Background Art

[0002] The foundation pile is a supporting structure used to support or fix a building. The steel cage is the skeleton of the foundation pile, which restrains the concrete of the pile body so that it can withstand a certain axial tension. It is widely used.

[0003] The steel cage structure in the related technology usually includes multiple supporting steel bars and circular steel bars. The multiple circular steel bars are arranged at equal intervals in the vertical direction. The multiple supporting steel bars are respectively located on the outside of the circular steel bars and arranged at equal intervals along the circumference of the circular steel bars. At the same time, the multiple supporting steel bars and the circular steel bars are welded and fixed.

[0004] However, relying solely on annular reinforcement to withstand lateral forces results in relatively poor structural strength of the foundation piles, which in turn affects the supporting effect on the building and needs to be improved. Utility Model Content

[0005] In view of the shortcomings of the existing technology, the purpose of the utility model is to provide a steel cage structure for foundation piles, which can improve the structural strength of the steel cage and thus improve the supporting stability of the foundation piles for the building.

[0006] The above technical purpose of the present utility model is achieved through the following technical solutions: a steel cage structure for foundation piles, including multiple supporting steel bars and annular steel bars, the steel cage structure also includes multiple groups of reinforcing steel bars, the multiple groups of reinforcing steel bars are arranged at equal intervals along the vertical direction, each group of the reinforcing steel bars is provided with 12, the 12 reinforcing steel bars are arranged at equal intervals along the vertical direction, and are respectively welded and fixed to the corresponding annular steel bars, and the angle between two adjacent reinforcing steel bars is 30°.

[0007] In a preferred example, the present invention can be further configured as follows: the steel cage structure also includes a reinforcement base, and the bottom ends of the plurality of support steel bars are respectively welded and fixed to the reinforcement base.

[0008] In a preferred example, the present invention can be further configured as follows: a plurality of support holes are provided on the reinforcing base, a fixed drill nail is vertically slidably connected to each of the support holes, a control component is provided on the reinforcing base, and the control component is used to control the synchronous downward movement of the plurality of fixed drill nails and make the plurality of fixed drill nails be nailed into the formation respectively.

[0009] In a preferred example, the present invention can be further configured as follows: the control component includes a control cylinder vertically fixed on the reinforced base, a control plate is vertically slidably connected inside the control cylinder, and the circumferential side wall of the control plate is tightly abutted against the circumferential inner wall of the control cylinder, the tops of multiple fixed spikes are respectively fixedly connected to the control plate, and the control plate can drive the multiple fixed spikes to move downward under the action of gravity of the cement slurry.

[0010] In a preferred example, the present invention can be further configured as follows: a plurality of receiving holes are opened on the side wall of the control cylinder, and the plurality of receiving holes are arranged at equal intervals along the circumference of the control cylinder, and a limiting drill nail is horizontally slidably connected in each of the receiving holes. A driving member is provided in the control cylinder, and the driving member is used to drive the plurality of limiting drill nails to move synchronously and make the plurality of limiting drill nails be nailed into the inner wall of the pile hole respectively.

[0011] In a preferred example, the present invention can be further configured as follows: the driving member includes a driving disk fixed to the bottom of the control plate, the circumferential side wall of the driving disk is provided with a driving inclined surface, and the ends of the plurality of limiting drill nails close to each other are respectively provided with guide inclined surfaces, and the guide inclined surfaces abut against the driving inclined surfaces. When the control plate moves downward, the limiting drill nails can extend from the corresponding receiving holes under the action of the driving inclined surfaces and the guide inclined surfaces, and be nailed into the inner wall of the pile hole.

[0012] In a preferred example, the present invention can be further configured as follows: the fixing drill nail and the limiting drill nail are respectively fixedly connected with anti-backward teeth.

[0013] In summary, the present invention has the following beneficial effects:

[0014] 1. By arranging multiple groups of reinforcing steel bars inside the ring steel bar, with each group of 12 reinforcing steel bars arranged at an angle of 30°, 360° reinforcement support for the ring steel bar is achieved, thereby improving the structural strength of the steel cage structure itself, allowing the foundation piles to withstand greater horizontal forces, thereby improving the support stability of the foundation piles for the building;

[0015] 2. By setting fixed drill nails and limit drill nails, the connection stability and connection structure strength between the steel cage structure and the stratum are improved, thereby improving the structural stability of the foundation pile;

[0016] 3. When pouring concrete, the fixed nails and the limit nails can be automatically nailed into the stratum or the inner wall of the pile hole, which can not only improve the linkage between the various components, but also improve the efficiency of resource utilization. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 1 is a schematic diagram of the overall structure of the embodiment;

[0018] Figure 2 It is a structural schematic diagram of an embodiment, showing the positional relationship of the reinforcing steel bars;

[0019] Figure 3 is a cross-sectional view of the embodiment.

[0020] Figure numerals: 1. Support steel bar; 2. Annular steel bar; 3. Reinforcement steel bar; 4. Reinforcement base; 6. Fixing nail; 7. Control part; 71. Control cylinder; 72. Control plate; 8. Receiving hole; 9. Limiting nail; 10. Driving part; 101. Driving disc; 102. Driving inclined plane; 103. Guide inclined plane; 11. Anti-backward tooth. DETAILED DESCRIPTION

[0021] The present invention will be described in further detail below with reference to the accompanying drawings.

[0022] Reference Figure 1 、 Figure 2 A steel cage structure for foundation piles includes multiple supporting steel bars 1 and annular steel bars 2. The multiple annular steel bars 2 are arranged at equal intervals along the vertical direction. The multiple supporting steel bars 1 are respectively located on the outside of the annular steel bars 2 and are arranged at equal intervals along the circumference of the annular steel bars 2. At the same time, the multiple supporting steel bars 1 and the annular steel bars 2 are welded and fixed.

[0023] Reference Figure 1 、 Figure 2 The steel cage structure also includes multiple groups of reinforcing steel bars 3, which are arranged at equal intervals along the vertical direction. Each group of reinforcing steel bars 3 is provided with 12 pieces. The 12 reinforcing steel bars 3 are arranged at equal intervals along the vertical direction and are respectively welded and fixed to the corresponding annular steel bars 2.

[0024] Reference Figure 1 、 Figure 2 The angle between two adjacent reinforcing steel bars 3 is 30°, so as to achieve 2360° reinforcement support for the annular steel bars, thereby improving the structural strength of the steel cage structure itself, allowing the foundation piles to withstand greater horizontal forces, thereby improving the support stability of the foundation piles for the building.

[0025] Reference Figure 1 、 Figure 3 The steel cage structure also includes a reinforcing base 4, and the bottom ends of the multiple supporting steel bars 1 are respectively welded and fixed to the reinforcing base 4, thereby achieving the collection and fixation of the bottoms of the multiple supporting steel bars 1, thereby improving the structural strength of the steel cage.

[0026] Reference Figure 1 、 Figure 3A plurality of support holes are provided on the reinforcing base 4, and a fixed drill nail 6 is vertically slidably connected in each support hole. A control part 7 is provided on the reinforcing base 4, and the control part 7 is used to control the synchronous downward movement of the plurality of fixed drill nails 6 and make the plurality of fixed drill nails 6 be nailed into the stratum respectively, thereby improving the connection stability between the steel cage and the stratum.

[0027] Reference Figure 1 、 Figure 3 The control member 7 includes a control tube 71 vertically fixed to the reinforced base 4. A control plate 72 is vertically slidably connected to the control tube 71, and the circumferential sidewalls of the control plate 72 are tightly abutted against the circumferential inner wall of the control tube 71. The tops of the plurality of fixed spikes 6 are fixedly connected to the control plates 72. The control plates 72 can drive the plurality of fixed spikes 6 downward under the action of the gravity of the cement slurry, so that the fixed spikes 6 are automatically driven into the formation.

[0028] Reference Figure 1 、 Figure 3 The sidewall of the control tube 71 is provided with a plurality of receiving holes 8, which are arranged at equal intervals along the circumference of the control tube 71. Each receiving hole 8 has a limit pin 9 connected thereto for horizontal sliding connection. A driving member 10 is provided within the control tube 71 to drive the plurality of limit pins 9 to move synchronously and drive them into the inner wall of the pile hole, thereby further improving the connection stability between the reinforcement cage and the stratum.

[0029] Reference Figure 1 、 Figure 3 The driving member 10 includes a driving disc 101 fixed to the bottom of the control plate 72. The circumferential sidewalls of the driving disc 101 are provided with driving inclined surfaces 102. The adjacent ends of the plurality of limit pins 9 are respectively provided with guiding inclined surfaces 103, and the guiding inclined surfaces 103 abut against the driving inclined surfaces 102. When the control plate 72 moves downward under the action of the gravity of the concrete, the limit pins 9 are able to extend from the corresponding receiving holes 8 under the action of the driving inclined surfaces 102 and the guiding inclined surfaces 103 and be nailed into the inner wall of the pile hole.

[0030] Reference Figure 1 、 Figure 3 The fixed drill nail 6 and the limiting drill nail 9 are respectively fixedly connected with anti-backward teeth 11, thereby improving the connection stability between the fixed drill nail 6 and the limiting drill nail 9 and the formation.

[0031] The specific embodiments are merely explanations of the present invention and are not limitations of the present invention. After reading this specification, those skilled in the art may make non-creative modifications to the embodiments as needed. However, as long as they are within the scope of the claims of the present invention, they are protected by patent law.

Claims

1. A steel cage structure for foundation piles, comprising a plurality of supporting steel bars (1) and annular steel bars (2), characterized in that: The steel cage structure further comprises a plurality of groups of reinforcing steel bars (3), the plurality of groups of reinforcing steel bars (3) being arranged at equal intervals in the vertical direction, each group of the reinforcing steel bars (3) being provided with 12 reinforcing steel bars (3), the 12 reinforcing steel bars (3) being arranged at equal intervals in the vertical direction and respectively welded and fixed to the corresponding annular steel bars (2), and the angle between two adjacent reinforcing steel bars (3) being 30°; The steel cage structure further comprises a reinforcing base (4), and the bottom ends of the plurality of supporting steel bars (1) are respectively welded and fixed to the reinforcing base (4); The reinforcing base (4) is provided with a plurality of supporting holes, each of which is vertically slidably connected to a fixed drill nail (6), and the reinforcing base (4) is provided with a control member (7), which is used to control the plurality of fixed drill nails (6) to move downward synchronously and to drive the plurality of fixed drill nails (6) into the ground respectively; The control member (7) includes a control cylinder (71) vertically fixed on the reinforcing base (4), a control plate (72) is vertically slidably connected in the control cylinder (71), and the circumferential side wall of the control plate (72) is tightly abutted against the circumferential inner wall of the control cylinder (71), the tops of the plurality of fixed spikes (6) are respectively fixedly connected to the control plate (72), and the control plate (72) can drive the plurality of fixed spikes (6) to move downward under the action of the gravity of the cement slurry; The side wall of the control cylinder (71) is provided with a plurality of receiving holes (8), and the plurality of receiving holes (8) are arranged at equal intervals along the circumference of the control cylinder (71). A limiting drill nail (9) is horizontally slidably connected in each receiving hole (8). A driving member (10) is provided in the control cylinder (71), and the driving member (10) is used to drive the plurality of limiting drill nails (9) to move synchronously and to drive the plurality of limiting drill nails (9) into the inner wall of the pile hole respectively.

2. A steel cage structure for pile foundation according to claim 1, characterized in that: The driving member (10) includes a driving disk (101) fixed to the bottom of the control plate (72), a driving inclined surface (102) is provided on the circumferential side wall of the driving disk (101), and a plurality of the limiting nails (9) are respectively provided with guiding inclined surfaces (103) at their ends close to each other, and the guiding inclined surfaces (103) are in contact with the driving inclined surfaces (102). When the control plate (72) moves downward, the limiting nails (9) can extend from the corresponding receiving holes (8) under the action of the driving inclined surfaces (102) and the guiding inclined surfaces (103) and be nailed into the inner wall of the pile hole.

3. The steel cage structure for pile foundation according to claim 1, characterized in that: The fixing drill nail (6) and the limiting drill nail (9) are respectively fixedly connected with anti-backlash teeth (11).

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