Turnover type prefabricated foundation structure

Abstract

The utility model discloses a turnover type prefabricated foundation structure which comprises a cement base block, a traction steel bar frame, two side face assembling screw rod frames, a hanging ring frame and a flange screw rod frame are wrapped in the cement base block, the upper end of the flange screw rod frame is fixedly connected with a supporting pipe, connecting steel plates are assembled on the side face assembling screw rod frames, and the connecting steel plates are connected with the hanging ring frame. The mode that one cement base block is connected with one supporting pipe is adopted, the size of the cement base block is reduced, meanwhile, a plurality of cement base blocks can be connected together through the connecting steel plates according to actual use, then the cement base blocks which are connected together can be detached and hoisted one by one after use is finished, operation is easy and convenient, safety is high, and the cement base blocks are convenient to use. And the hoisting cost is low, and turnover and repeated use are facilitated.

Description

Technical Field

[0001] This utility model relates to the field of building support structure technology, specifically a reusable prefabricated foundation structure. Background Technology

[0002] During the construction of bridges, the main bridge deck requires a support structure. To ensure the reusability of this support structure, scaffolding or precast concrete bases are typically used. However, scaffolding is complex, making assembly and disassembly difficult. Precast concrete bases, on the other hand, have multiple support pipes mounted on the concrete base, resulting in a large overall size that requires a large truck crane. This leads to high costs, complicated operations, and high risks associated with disassembly, transportation, and hoisting. To address these issues, a reusable precast foundation structure is proposed. Utility Model Content

[0003] The purpose of this invention is to provide a reusable prefabricated foundation structure to solve the problems mentioned in the background art.

[0004] To achieve the above objectives, this utility model provides the following technical solution: a reusable prefabricated foundation structure, comprising a cement block, wherein the cement block contains a tension steel bar frame, two side assembly screw frames, a lifting ring frame and a flange screw frame, the upper end of the flange screw frame is fixedly connected to a support pipe, and a connecting steel plate is mounted on the side assembly screw frame.

[0005] Preferably, the cement block includes a cement block body, and the two sides of the cement block body are integrally formed with an assembly groove and an assembly protrusion, respectively, and the assembly groove cooperates with the assembly protrusion on the adjacent cement block body.

[0006] Preferably, the tie bar frame includes a plurality of square annular steel bars placed sequentially from front to back, and a plurality of longitudinal tie bars are bound to the upper and lower sides of the plurality of square annular steel bars.

[0007] Preferably, the side-mounted screw frame includes a connecting tie bar located inside the tie bar frame. Multiple connecting threaded rods are horizontally fixedly connected to the connecting tie bar, with the outer ends of the connecting threaded rods extending to the outer side of the cement block body. Multiple bent threaded rods are fixedly connected to the outer wall of the connecting tie bar, with the outer ends of the bent threaded rods extending to the outside of the cement block. The multiple bent threaded rods and multiple connecting threaded rods are alternately distributed on the connecting tie bar. Channel steel is fixedly connected to the outer walls of the connecting threaded rods and bent threaded rods, embedded within the side wall of the cement block. A connecting steel plate is sleeved inside the channel steel, and the connecting steel plate has multiple connecting holes. The connecting steel plate is sleeved with the connecting threaded rods and bent threaded rods through the connecting holes, and the connecting steel plate is fixedly connected to the connecting threaded rods and bent threaded rods by external nuts.

[0008] Preferably, the lifting ring frame includes a square ring frame, which is located below the tension steel bar frame. The front and rear sides of the square ring frame are bent with lifting lugs, which extend to the outer side of the upper end of the cement block body.

[0009] Preferably, the flange bolt bracket includes three U-shaped steel bar brackets, each with threads on both sides of its upper end. A positioning flange is fixedly connected to the outer wall of each of the three U-shaped steel bar brackets, and the positioning flange is embedded inside the cement block body.

[0010] Preferably, the support pipe includes a flange, which is sleeved together with a U-shaped steel bar frame, and the U-shaped steel bar frame is fixedly connected to the flange by an external nut. The upper end of the flange is fixedly connected to the main body of the support pipe.

[0011] The beneficial effects of this utility model are:

[0012] This utility model adopts a method of connecting a cement block to a support pipe, which reduces the volume of the cement block. At the same time, multiple cement blocks can be connected together by connecting steel plates according to actual use. After use, the multiple cement blocks connected together can be disassembled and hoisted one by one. The operation is simple, safe, and has low hoisting cost, and is convenient for repeated use. Attached Figure Description

[0013] Figure 1 This is a schematic diagram of the structure of this utility model;

[0014] Figure 2 This is a schematic diagram of the connection of this utility model;

[0015] Figure 3 This is a structural illustration of the reinforcing bar support frame, side-mounted screw rod frame, lifting ring frame, and flange screw rod frame of this utility model.

[0016] In the diagram: 1. Cement block; 11. Cement block body; 12. Assembly groove; 13. Assembly protrusion; 2. Tie bar frame; 21. Square ring steel bar; 22. Longitudinal tie bar; 3. Side assembly screw frame; 31. Connecting tie bar; 32. Connecting threaded rod; 33. Bending threaded rod; 34. Channel steel; 4. Lifting ring frame; 41. Square ring frame; 42. Lifting lug; 5. Flange screw frame; 51. U-shaped steel bar frame; 52. Thread; 53. Positioning flange; 6. Support pipe; 61. Flange; 62. Support pipe body; 7. Connecting steel plate; 8. Connecting hole. Detailed Implementation

[0017] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0018] Please see Figure 1-3 This utility model provides a technical solution: a reusable prefabricated foundation structure, including a cement block 1, which contains a tension steel bar frame 2, two side assembly screw frames 3, a lifting ring frame 4, and a flange screw frame 5. The upper end of the flange screw frame 5 is fixedly connected to a support pipe 6, and a connecting steel plate 7 is mounted on the side assembly screw frame 3.

[0019] Specifically, the cement block 1 includes a cement block body 11, and the cement block body 11 has an integrally formed assembly groove 12 and an assembly protrusion 13 on both sides in the lateral direction, and the assembly groove 12 cooperates with the assembly protrusion 13 on the adjacent cement block body 11.

[0020] The assembly groove 12 is used to cooperate with the assembly protrusion 13 on the adjacent cement block body 11 to accurately position multiple cement blocks 1 during assembly, and cooperates with the connecting steel plate 7 to prevent a single cement block 1 from tilting when multiple cement blocks 1 are connected together.

[0021] Specifically, the tie bar frame 2 includes multiple square ring steel bars 21 placed sequentially from front to back, and multiple longitudinal tie bars 22 are tied to the upper and lower sides of the multiple square ring steel bars 21.

[0022] The overall strength of the cement block 1 is increased by using the combination of square ring steel bars 21 and longitudinal tie bars 22.

[0023] Specifically, the side-mounted screw frame 3 includes a connecting tie bar 31 located inside the tie bar frame 2. The connecting tie bar 31 is horizontally fixedly connected to multiple connecting threaded rods 32. The outer ends of the connecting threaded rods 32 extend to the outer side of the cement block body 11. Multiple bent threaded rods 33 are fixedly connected to the outer wall of the connecting tie bar 31. The outer ends of the bent threaded rods 33 extend to the outside of the cement block body 11. The multiple bent threaded rods 33 and multiple connecting threaded rods 32 are alternately distributed on the connecting tie bar 31. The outer walls of the connecting threaded rods 32 and bent threaded rods 33 are fixedly connected to channel steel 34. The channel steel 34 is embedded in the side wall of the cement block body 11. A connecting steel plate 7 is sleeved inside the channel steel 34. Multiple connecting holes 8 are opened on the connecting steel plate 7. The connecting steel plate 7 is sleeved with the connecting threaded rods 32 and bent threaded rods 33 through the connecting holes 8. The connecting steel plate 7 is fixedly connected with the connecting threaded rods 32 and bent threaded rods 33 through external nuts.

[0024] The side assembly screw frame 3 is wrapped inside the cement block body 11 and partially located inside the tension steel frame 2, thereby increasing the connection strength between the side assembly screw frame 3 and the cement block as a whole. Furthermore, the use of channel steel 34 and connecting steel plate 7 for cooperation, with the inner wall of channel steel 34 limiting the outer wall of its connecting steel plate 7, increases the connection strength of multiple cement block bodies.

[0025] Specifically, the lifting ring frame 4 includes a square ring frame 41, which is located below the tension steel bar frame 2. The front and rear sides of the square ring frame 41 are bent with lifting lugs 42, which extend to the outer side of the upper end of the cement base block body 11.

[0026] Specifically, the flange bolt bracket 5 includes three U-shaped steel bar brackets 51. The upper ends of the U-shaped steel bar brackets 51 are threaded on both sides 52. The outer walls of the three U-shaped steel bar brackets 51 are fixedly connected to positioning flanges 53, which are embedded in the interior of the cement block body 11.

[0027] Specifically, the support pipe 6 includes a flange 61, which is sleeved with a U-shaped steel bar frame 51. The U-shaped steel bar frame 51 is fixedly connected to the flange 61 by an external nut. The upper end of the flange 61 is fixedly connected to the support pipe body 62.

[0028] Working principle: This utility model adopts a method of connecting a cement block 1 to a support pipe 6 to reduce the volume of the cement block 1. At the same time, multiple cement blocks 1 can be connected together by connecting steel plates 7 according to actual use. After use, the multiple cement blocks 1 connected together can be disassembled and hoisted one by one. The operation is simple, safe, and has low hoisting cost, and is convenient for repeated use.

[0029] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A reusable prefabricated foundation structure, comprising a cement block (1), wherein the cement block (1) contains a tension steel frame (2), two side assembly screw frames (3), a lifting ring frame (4), and a flange screw frame (5), wherein a support pipe (6) is fixedly connected to the upper end of the flange screw frame (5), and a connecting steel plate (7) is mounted on the side assembly screw frame (3).

2. The reusable prefabricated foundation structure according to claim 1, characterized in that: The cement block (1) includes a cement block body (11), and the cement block body (11) has an integrally formed assembly groove (12) and an assembly protrusion (13) on both sides of the horizontal direction, and the assembly groove (12) cooperates with the assembly protrusion (13) on the adjacent cement block body (11).

3. The reusable prefabricated foundation structure according to claim 2, characterized in that: The tie bar frame (2) includes a plurality of square ring steel bars (21) placed sequentially from front to back, and a plurality of longitudinal tie bars (22) are tied to the upper and lower sides of the plurality of square ring steel bars (21).

4. The reusable prefabricated foundation structure according to claim 3, characterized in that: The side-mounted screw frame (3) includes a connecting tie bar (31) located inside the tie bar frame (2). The connecting tie bar (31) is horizontally fixedly connected to multiple connecting threaded rods (32). The outer ends of the connecting threaded rods (32) extend to the outer side of the cement block body (11). Multiple bent threaded rods (33) are fixedly connected to the outer wall of the connecting tie bar (31). The outer ends of the bent threaded rods (33) extend to the outer side of the cement block body (11). The multiple bent threaded rods (33) and the multiple connecting threaded rods (32) are alternately distributed in the connecting... On the tie bar (31), a channel steel (34) is fixedly connected to the outer wall of the connecting threaded rod (32) and the bent threaded rod (33). The channel steel (34) is embedded in the side wall of the cement block body (11). A connecting steel plate (7) is sleeved inside the channel steel (34). Multiple connecting holes (8) are opened on the connecting steel plate (7). The connecting steel plate (7) is sleeved with the connecting threaded rod (32) and the bent threaded rod (33) through the connecting holes (8). The connecting steel plate (7) is fixedly connected with the connecting threaded rod (32) and the bent threaded rod (33) through an external nut.

5. A reusable prefabricated foundation structure according to claim 4, characterized in that: The lifting ring frame (4) includes a square ring frame (41), which is located below the tension steel bar frame (2). The front and rear sides of the square ring frame (41) are bent with lifting lugs (42), which extend to the outer side of the upper end of the cement block body (11).

6. A reusable prefabricated foundation structure according to claim 5, characterized in that: The flange bolt bracket (5) includes three U-shaped steel bar brackets (51). The upper ends of the U-shaped steel bar brackets (51) are provided with threads (52). The outer walls of the three U-shaped steel bar brackets (51) are fixedly connected with positioning flanges (53), which are embedded in the interior of the cement block body (11).

7. A reusable prefabricated foundation structure according to claim 6, characterized in that: The support pipe (6) includes a flange (61), which is sleeved with a U-shaped steel bar frame (51), and the U-shaped steel bar frame (51) is fixedly connected to the flange (61) by an external nut. The upper end of the flange (61) is fixedly connected to the support pipe body (62).

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