Pile foundation concrete guide pipe positioning platform

Abstract

The utility model discloses a pile foundation concrete guide pipe positioning platform which comprises two main frameworks, the two main frameworks are parallel to each other, two positioning structures are arranged between the two main frameworks, and two main supporting structures are arranged at the positions, below the two positioning structures, between the two main frameworks. The positioning semicircular openings in the two positioning structures form the positioning hole, and the positioning hole is formed in the center position over the reinforcement cage during construction and after building, so that the guide pipe is lowered along the positioning hole when the guide pipe is lowered, and the guide pipe can be lowered into the center position of the reinforcement cage and is more centered; impact is generated on the guide pipe during later pile foundation concrete pouring, the guide pipe is limited through the positioning holes, the guide pipe is not prone to deviation, mud is prevented from being clamped by concrete on a pile body, and the pile breaking consequence is avoided; the device is mainly made of channel steel, reinforcing steel bars and angle steel, materials are easy to obtain, and manufacturing is easy.

Description

Technical Field

[0001] The utility model relates to the technical field of underwater concrete pouring for pile foundations, and specifically relates to a positioning platform for pile foundation concrete conduits. Background Technique

[0002] The existing method for underwater concrete pouring of pile foundations is conduit pouring. That is, after the steel reinforcement cage is lowered into the pile foundation, the conduit is lowered, and concrete is injected through the conduit for pouring. However, the current method of lowering the conduit has the following defects:

[0003] Currently, during the underwater pile concrete perfusion of pile foundations, the conduit is directly lowered. During the process of lowering the pile foundation steel reinforcement cage and the conduit, it is difficult to center and position them. Moreover, the impact load generated during the pile foundation concrete perfusion process is likely to cause the conduit to deviate, resulting in concrete sludge inclusions in the pile body, and even serious consequences such as broken piles. Content of the Utility Model

[0004] The purpose of the utility model is to provide a positioning platform for pile foundation concrete conduits to solve the problems raised in the above background technique.

[0005] To achieve the above purpose, the utility model provides the following technical solution: A positioning platform for pile foundation concrete conduits, including two main skeletons, the two main skeletons are parallel to each other, two positioning structures are arranged between the two main skeletons, two main support structures are arranged at the positions below the two positioning structures between the two main skeletons, and two standing platform structures are arranged at both ends of the top surface between the two main skeletons;

[0006] The positioning structure includes a positioning steel plate, the positioning steel plate is movably arranged between the two main skeletons, and a positioning semi-circular opening is formed at one end of the positioning steel plate close to the center between the two main skeletons.

[0007] Preferably, the main support structure includes a plurality of second steel bars, the plurality of second steel bars are parallel to each other, the plurality of second steel bars are uniformly and fixedly welded between the two main skeletons, the main skeleton is a channel steel, the second steel bar is a Φ steel bar, and the bottom surface of the positioning steel plate contacts the plurality of second steel bars.

[0008] Preferably, the standing platform structure includes a plurality of first steel bars, the plurality of first steel bars are parallel to each other, the plurality of first steel bars are uniformly and fixedly welded on the top surfaces of the two main skeletons, a plurality of top steel plates are fixedly welded on the top surfaces of the plurality of first steel bars, the first steel bar is a Φ steel bar, and the bottom surfaces of the plurality of first steel bars contact the top surface of the positioning steel plate.

[0009] Preferably, two front-end support structures are arranged between the two main skeletons at the positions where the two main support structures are close to each other. The front-end support structure includes a plurality of third steel bars, and the plurality of third steel bars are evenly and horizontally fixedly welded between the two main skeletons. The top surfaces of the plurality of third steel bars contact the bottom surface of the end of the positioning steel plate. The third steel bars are Φ steel bars.

[0010] Preferably, a through hole is vertically opened at a position of the positioning steel plate close to the positioning semi-circular opening. A locking structure is arranged in the through hole. The locking structure includes a steel block. The steel block is inserted into the through hole. A bottom opening is opened on the bottom surface of the steel block, and any one of the third steel bars is inserted into the bottom opening. A suspension rod is fixedly connected to the top surface of the steel block.

[0011] Preferably, the side walls of the positioning semi-circular opening are evenly and fixedly welded to the side walls of the tops of a plurality of short steel bars. Two suspension hooks are fixedly connected to the top surface of the positioning steel plate at a position close to the positioning semi-circular opening. L-shaped plates are fixedly connected to both ends of the main skeleton, and installation reserved holes are vertically opened on the bottom surfaces of the L-shaped plates.

[0012] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0013] In the present utility model, the positioning semi-circular openings on the two positioning structures form a positioning hole. During construction, after the erection is completed, the positioning hole is placed at the central position directly above the steel reinforcement cage. In this way, when the conduit is lowered, the conduit is lowered along this positioning hole, so that the conduit can be lowered into the central position of the steel reinforcement cage, making it more centered. During the subsequent pouring of pile foundation concrete, an impact is generated on the conduit, and the positioning hole limits the conduit, and the conduit is not prone to deviation, avoiding the phenomenon of concrete sludging in the pile body and the consequence of pile breakage; the present utility model is mainly made of channel steel, steel bars, and angle steel, and the materials are simple and easy to manufacture. Description of the Drawings

[0014] Figure 1 It is a schematic diagram of the main structure in the first and second embodiments of the present utility model;

[0015] Figure 2 It is a schematic diagram of the main sectional structure in the first and second embodiments of the present utility model;

[0016] Figure 3 For the present utility model Figure 2 The enlarged schematic diagram of the structure at A.

[0017] In the figure: 1, main framework; 2, positioning structure; 3, standing platform structure; 4, main support structure; 5, front-end support structure; 6, locking structure; 11, L-shaped plate; 12, installation reserved hole; 21, positioning steel plate; 22, positioning semi-circular opening; 23, through opening; 24, hook; 25, short steel bar; 31, first steel bar; 32, top steel plate; 41, second steel bar; 51, third steel bar; 61, steel block; 62, bottom opening; 63, suspension rod. Detailed implementation mode

[0018] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0019] Embodiment 1:

[0020] Please refer to Figure 1-2 , the present invention provides a technical solution: a positioning platform for a pile foundation concrete conduit, including two main frameworks 1, the two main frameworks 1 are parallel to each other, two positioning structures 2 are arranged between the two main frameworks 1, two main support structures 4 are arranged at the positions below the two positioning structures 2 between the two main frameworks 1, and two standing platform structures 3 are arranged at both ends of the top surface between the two main frameworks 1;

[0021] The positioning structure 2 includes a positioning steel plate 21, the positioning steel plate 21 is movably arranged between the two main frameworks 1, a positioning semi-circular opening 22 is opened at one end of the positioning steel plate 21 close to the center position between the two main frameworks 1, and the positioning semi-circular openings 22 on the two positioning structures 2 form a positioning hole. During construction, after erection, the positioning hole is placed at the center position directly above the steel reinforcement cage. In this way, when the conduit is lowered, the conduit is lowered along this positioning hole, so that the conduit can be lowered into the center position of the steel reinforcement cage, making it more centered. During the subsequent pouring of pile foundation concrete, when an impact is generated on the conduit, the positioning hole limits the conduit, and the conduit is not prone to deviation, avoiding the occurrence of concrete sludge inclusions in the pile body and the consequence of pile breakage.

[0022] Embodiment 2:

[0023] Please refer to Figure 1-3 , which is the second embodiment of the present invention. This embodiment is based on the previous embodiment. The main support structure 4 includes a plurality of second steel bars 41, the plurality of second steel bars 41 are parallel to each other, the plurality of second steel bars 41 are uniformly and fixedly welded between the two main frameworks 1, the main framework 1 is a No. 15 channel steel, the second steel bar 41 is a Φ28 steel bar, and the bottom surface of the positioning steel plate 21 contacts the plurality of second steel bars 41. The main support structure 4 is used to support the positioning steel plate 21.

[0024] The standing platform structure 3 includes a plurality of first steel bars 31. The plurality of first steel bars 31 are parallel to each other and are uniformly and fixedly welded to the top surfaces of the two main skeletons 1. A plurality of top steel plates 32 are fixedly welded to the top surfaces of the plurality of first steel bars 31. The first steel bars 31 are Φ28 steel bars. The bottom surfaces of the plurality of first steel bars 31 contact the top surface of the positioning steel plate 21. The first steel bars 31 in the standing platform mechanism 3 are used on the one hand to press the top surface of the positioning steel plate 21 and on the other hand to fix the top steel plates 32, facilitating personnel to stand on the top steel plates 32 for operation.

[0025] Two front support structures 5 are provided at the positions of the two main skeletons 1 where the two main support structures 4 are close to each other. The front support structure 5 includes a plurality of third steel bars 51. The plurality of third steel bars 51 are uniformly and horizontally fixedly welded between the two main skeletons 1. The top surfaces of the plurality of third steel bars 51 contact the bottom surface of the end of the positioning steel plate 21. The third steel bars 51 are Φ14 steel bars. The front support structure 5 is used on the one hand to support the front position of the positioning steel plate 21 and on the other hand to fix the positioning steel plate 21 through the locking structure 6.

[0026] A through hole 23 is vertically opened at the position of the positioning steel plate 21 close to the positioning semi-circular opening 22. A locking structure 6 is arranged in the through hole 23. The locking structure 6 includes a steel block 61. The steel block 61 is inserted into the through hole 23. A bottom opening 62 is opened on the bottom surface of the steel block 61. Any one of the third steel bars 51 is inserted into the bottom opening 62. A suspension rod 63 is fixedly connected to the top surface of the steel block 61. By inserting the steel block 61, the positioning steel plate 21 can be fixed to the front support structure 5.

[0027] A plurality of short steel bars 25 are uniformly and fixedly welded to the side walls of the top ends of the side walls of the positioning semi-circular opening 22. Two hooks 24 are fixedly connected to the top surface of the positioning steel plate 21 at the position close to the positioning semi-circular opening 22. The position of the positioning steel plate 21 can be conveniently pulled through the hooks 24, and the positioning semi-circular openings 22 in the two positioning steel plates 21 are placed above the center of the steel reinforcement cage. L-shaped plates 11 are fixedly connected to both ends of the main skeleton 1. Installation reserved holes 12 are vertically opened on the bottom surfaces of the L-shaped plates 11. The L-shaped plates 11 are made by cutting off angle steel. The installation reserved holes 12 are used to fix this platform.

[0028] Embodiment 3:

[0029] Please refer to Figure 1-3, which is the third embodiment of the present utility model. This embodiment is based on the above two embodiments. When the present utility model is in use, the platform is installed at the pile foundation. Then, a hoisting device such as a crane is used to pull the positioning steel plate 21, so that the positioning hole formed by the positioning semi-circular openings 22 of the two positioning steel plates 21 is located at the center directly above the steel reinforcement cage. Then, the steel block 61 is hoisted and inserted into the through opening 23 to fix the position of the positioning steel plate 21. Then, personnel stand on the top steel plate 32 to operate. The conduit is lowered from the positioning hole formed by the positioning semi-circular openings 22 of the two positioning steel plates 21, and then the pouring operation is carried out; in the present utility model, the positioning semi-circular openings 22 on the two positioning structures 2 form a positioning hole. During construction, after the construction is set up, the positioning hole is placed at the center position directly above the steel reinforcement cage. In this way, when the conduit is lowered, the conduit is lowered along this positioning hole, so that the conduit can be lowered to the center position of the steel reinforcement cage, making it more centered. During the subsequent pouring of pile foundation concrete, an impact is generated on the conduit, and the positioning hole limits the conduit, so that the conduit is not easily displaced, avoiding the phenomenon of concrete sludge in the pile body and the consequence of pile breakage; the present utility model is mainly made of channel steel, steel bars, and angle steel, with simple materials and easy to manufacture.

[0030] Although the embodiments of the present utility model have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principle and spirit of the present utility model. The scope of the present utility model is defined by the appended claims and their equivalents.

Claims

1. A positioning platform for pile foundation concrete conduits, comprising two main skeletons (1), characterized in that: The two main skeletons (1) are parallel to each other, and two positioning structures (2) are arranged between the two main skeletons (1). Two main support structures (4) are arranged between the two main skeletons (1) at positions below the two positioning structures (2). Two standing platform structures (3) are arranged at both ends of the top surface between the two main skeletons (1); The positioning structure (2) includes a positioning steel plate (21), and the positioning steel plate (21) is movably arranged between the two main skeletons (1). A positioning semi-circular opening (22) is opened at one end of the positioning steel plate (21) close to the center position between the two main skeletons (1).

2. The positioning platform for the pile foundation concrete conduit according to claim 1, wherein: The main support structure (4) includes a plurality of second steel bars (41). The plurality of second steel bars (41) are parallel to each other and are uniformly and fixedly welded between the two main skeletons (1). The main skeleton (1) is a No. 15 channel steel, and the second steel bar (41) is a Φ28 steel bar. The bottom surface of the positioning steel plate (21) contacts the plurality of second steel bars (41).

3. The positioning platform for pile foundation concrete conduit according to claim 1, wherein: The standing platform structure (3) includes a plurality of first steel bars (31). The plurality of first steel bars (31) are parallel to each other and are uniformly and fixedly welded on the top surfaces of the two main skeletons (1). A plurality of top steel plates (32) are fixedly welded on the top surfaces of the plurality of first steel bars (31). The first steel bar (31) is a Φ28 steel bar, and the bottom surfaces of the plurality of first steel bars (31) contact the top surface of the positioning steel plate (21).

4. A pile foundation concrete conduit positioning platform according to claim 1, characterized in that: Two front-end support structures (5) are arranged between the two main skeletons (1) at positions close to one end of the two main support structures (4). The front-end support structure (5) includes a plurality of third steel bars (51). The plurality of third steel bars (51) are uniformly and horizontally fixedly welded between the two main skeletons (1). The top surfaces of the plurality of third steel bars (51) contact the bottom surface of the end part of the positioning steel plate (21). The third steel bar (51) is a Φ14 steel bar.

5. A pile foundation concrete conduit positioning platform according to claim 4, characterized in that: A through hole (23) is vertically opened at a position of the positioning steel plate (21) close to the positioning semi-circular opening (22). A locking structure (6) is arranged in the through hole (23). The locking structure (6) includes a steel block (61). The steel block (61) is inserted into the through hole (23). A bottom opening (62) is opened on the bottom surface of the steel block (61). Any one of the third steel bars (51) is inserted into the bottom opening (62). A suspension rod (63) is fixedly connected to the top surface of the steel block (61).

6. The positioning platform for the pile foundation concrete conduit according to claim 1, characterized in that: A plurality of short steel bars (25) are uniformly and fixedly welded to the side walls of the side walls of the positioning semi-circular opening (22). Two hooks (24) are fixedly connected to the top surface of the positioning steel plate (21) close to the positioning semi-circular opening (22). L-shaped plates (11) are fixedly connected to both ends of the main skeleton (1). Installation reserved holes (12) are vertically opened on the bottom surfaces of the L-shaped plates (11).

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