Foundation pit reducing supporting structure

Abstract

The utility model provides a foundation pit variable-diameter supporting structure which solves the problem that in the prior art, a traditional foundation pit supporting structure is difficult to adapt to the form and load requirements of an irregular foundation pit. Specifically, the foundation pit variable-diameter supporting structure comprises an enclosing purlin assembly, the enclosing purlin assembly comprises a plurality of enclosing purlins and a plurality of corner movable connecting pieces connected with the enclosing purlins, the enclosing purlins are arranged on the inner sides of the corresponding supporting wall bodies, the enclosing purlins on the adjacent supporting wall bodies are connected in pairs, and the corner movable connecting pieces are connected with the enclosing purlins on the adjacent supporting wall bodies. The angle between the adjacent supporting wall bodies is adapted through the corner movable connecting pieces; the supporting assembly comprises a plurality of supporting pipes, a plurality of reducer pipes arranged at one ends of the supporting pipes and a plurality of hinged supports, one end of the supporting assembly is connected with the enclosing purlin through the hinged supports, and the other end of the supporting assembly is connected with the enclosing purlin on the other supporting wall through the hinged supports.

Description

Technical Field

[0001] This utility model relates to the field of civil engineering construction technology, and in particular to a variable diameter support structure for foundation pits. Background Technology

[0002] In the field of construction, the importance of safety and structural stability is self-evident; they are key factors in ensuring the successful completion of projects and protecting the lives of construction workers. Among the many stages of construction, foundation pit engineering is particularly critical because it not only relates to the stability of the entire building but also directly affects the safety of construction workers. The safety of foundation pit engineering is the foundation of the success of the entire construction project; any negligence in this stage can lead to serious consequences.

[0003] However, traditional foundation pit support structure designs often only consider foundation pits with regular shapes, which proves inadequate when dealing with irregularly shaped foundation pits. In such cases, engineers often have to redesign and develop new support structures based on existing regular ones. This may involve complex cutting and welding work to change the shape of the support structure, or adjusting the diameter of the support pipes to accommodate the load requirements of different foundation pits. These modifications not only require additional time and resources but also often present a series of problems.

[0004] First, these modification schemes have poor adaptability because they are usually designed based on specific situations and are difficult to apply widely to foundation pits of different shapes and sizes. Second, the installation process is complex, requiring highly specialized skills and precise operation, which not only increases the construction difficulty but also prolongs the project cycle. Furthermore, the stability of these modified support structures is often insufficient, especially when the foundation pit needs to withstand significant lateral pressure. These problems are particularly prominent and may lead to support structure failure or even safety accidents. Utility Model Content

[0005] In view of the shortcomings of the prior art described above, the technical problem to be solved by this utility model is to provide a foundation pit variable diameter support structure, which solves the problem that the traditional foundation pit support structure in the prior art is difficult to adapt to the shape and load requirements of irregular foundation pits.

[0006] To address the aforementioned technical problems, this utility model provides a foundation pit variable diameter support structure to support multiple retaining walls within the foundation pit, comprising:

[0007] A waler assembly, comprising multiple walers and multiple corner movable connectors connecting the walers, wherein the multiple walers are disposed on the inner side of the corresponding retaining wall, the walers on adjacent retaining walls are connected in pairs, and the corner movable connectors are used to adapt to the angle between adjacent retaining walls.

[0008] The support assembly includes multiple support pipes, multiple reducing pipes disposed at one end of the support pipes, and multiple hinge supports. One end of the support assembly is connected to the waler through the hinge supports, and the other end is connected to the waler on another retaining wall through the hinge supports.

[0009] As a more preferred embodiment, the support assembly also includes an adjustable hinge head disposed at the other end of the support pipe. The adjustable hinge head, through improved structural design, enhances the overall integrity of the node, thereby improving the stability and safety of the foundation pit project. Simultaneously, the adjustable hinge head has greater load-bearing capacity and stiffness, which helps to more effectively control the deformation of the foundation pit. Furthermore, the adjustable hinge head simplifies construction operations, making the installation and adjustment of the support pipe more convenient and faster, improving construction efficiency. Finally, the adjustable hinge head also improves the force transmission method, reducing construction risks, and minimizing the risk of continuous collapse due to weak node connections.

[0010] As a more preferred method, the hinge support is connected to the adjustable hinge head and the reducer pipe respectively located at the end of the support pipe. The hinge support can be used to easily adjust the connection angle and improve construction efficiency.

[0011] As a more preferred approach, the support tube is made of square tubing. Square tubing is widely used in the construction and engineering fields due to its excellent stability, convenient installation, efficient space utilization, superior torsional resistance, flat surface treatment, easy connection with other components, and high production efficiency, especially in situations requiring high-strength support, such as foundation pit support.

[0012] As a more preferred approach, the reducing pipe is a square reducing pipe that is compatible with the supporting pipe.

[0013] As a more preferred approach, the support pipe is a round pipe. The round pipe plays an important role in the field of foundation pit support, which requires pressure bearing and structural support, due to its excellent mechanical properties, simple manufacturing process, easy processing and forming, high strength bearing capacity, good welding quality and easy plastic deformation.

[0014] As a more preferred approach, the reducing pipe is a circular reducing pipe that is adapted to the supporting pipe.

[0015] As a more preferred approach, the walers are horizontally positioned on the inner side of the support wall, and the horizontal heights of multiple walers are aligned, thereby making the supporting force on the support wall corresponding to the walers more even and achieving a better supporting effect.

[0016] As a more preferred approach, the foundation pit variable diameter support structure also includes multiple chain hooks, one end of which is located at the top of the support wall and the other end is connected to the waler to assist in the horizontal positioning of the waler.

[0017] As a more preferred approach, the other end of the support component can also be directly connected to the ground via a hinged support. The other end of the support component can be connected to the waler or to the ground, depending on the load requirements of the support wall.

[0018] As described above, the foundation pit variable diameter support structure of this utility model has the following beneficial effects: When in use, the foundation pit variable diameter support structure of this utility model adapts the angle between adjacent retaining walls by connecting the walers through the corner movable connector, and adapts to different foundation pit loads by setting the variable diameter pipe; thus, when facing retaining walls with different angles in irregular foundation pits, the angle between adjacent walers can be adjusted by using the corner movable connector to adapt to them, and when facing different load requirements in irregular foundation pits, different variable diameter pipes can be replaced to adapt, thereby ensuring the stability and safety of irregular foundation pits;

[0019] In summary, the foundation pit variable diameter support structure of this utility model, through the waler component that can freely adjust the angle and the support component that can freely adjust the support force, realizes the adaptation to the support wall with different angles and loads in irregular foundation pits, and solves the problem that the traditional foundation pit support structure in the prior art is difficult to adapt to the shape and load requirements of irregular foundation pits. Attached Figure Description

[0020] Figure 1 The diagram shows a square tube structure for the support pipe of the foundation pit variable diameter support structure of this utility model.

[0021] Figure 2 The diagram shown illustrates the structure of the foundation pit variable diameter support structure of this utility model, in which the support pipe is a circular tube.

[0022] Component designation explanation

[0023] 1. Purlin

[0024] 2. Corner movable connector

[0025] 3 Support tube

[0026] 4. Reducing pipe

[0027] 5. Hinge support

[0028] 6 Adjustable flex head

[0029] 7 Chain hooks

[0030] 8. Support wall Detailed Implementation

[0031] The following specific embodiments illustrate the implementation of this utility model. Those skilled in the art can easily understand other advantages and effects of this utility model from the content disclosed in this specification.

[0032] It should be understood that the structures, proportions, sizes, etc., illustrated in the accompanying drawings are merely for illustrative purposes to aid those skilled in the art and are not intended to limit the implementation of this utility model. Therefore, they have no substantial technical significance. Any modifications to the structure, changes in proportions, or adjustments to size, without affecting the effectiveness and purpose of this utility model, should still fall within the scope of the technical content disclosed in this utility model. The following detailed description should not be considered restrictive, and the scope of the embodiments of this application is limited only by the claims of the published patents. The terminology used herein is for describing specific embodiments only and is not intended to limit this application. Spatial terms such as "upper," "lower," "left," "right," "below," "below," "lower part," "above," "upper part," etc., may be used in the text to illustrate the relationship between one element or feature shown in the figures and another element or feature.

[0033] In this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," "linking," "fixing," and "holding" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0034] Furthermore, as used herein, the singular forms “a,” “an,” and “the” are intended to include the plural forms as well, unless the context indicates otherwise. It should be further understood that the terms “comprising,” “including,” indicate the presence of the stated feature, operation, element, component, item, kind, and / or group, but do not preclude the presence, occurrence, or addition of one or more other features, operations, elements, components, items, kinds, and / or groups. The terms “or” and “and / or” as used herein are interpreted as inclusive, or mean any one or any combination thereof. Thus, “A, B, or C” or “A, B, and / or C” means “any one of: A; B; C; A and B; A and C; B and C; A, B, and C.” Exceptions to this definition arise only when combinations of elements, functions, or operations are inherently mutually exclusive in some manner.

[0035] like Figures 1 to 2 As shown, this utility model provides a foundation pit variable diameter support structure to support multiple retaining walls 8 within the foundation pit, including:

[0036] The waler assembly includes multiple walers 1 and multiple corner movable connectors 2 connecting the walers 1. The multiple walers 1 are disposed on the inner side of the corresponding retaining wall 8. The walers 1 on adjacent retaining walls 8 are connected in pairs and the corner movable connectors 2 are used to adapt to the angle between adjacent retaining walls 8.

[0037] The support assembly includes multiple support pipes 3, multiple reducing pipes 4 disposed at one end of the support pipes 3, and multiple hinge supports 5. One end of the support assembly is connected to the waler 1 through the hinge support 5, and the other end is connected to the waler 1 on another retaining wall 8 through the hinge support 5.

[0038] To better illustrate the foundation pit variable diameter support structure of this utility model, the following specific application will be used as an example: In use, the foundation pit variable diameter support structure of this utility model adapts the angle between adjacent retaining walls 8 by using the waler 1 connected by the corner movable connector 2, and adapts to different foundation pit loads by setting the variable diameter pipe 4. Thus, when facing retaining walls 8 at different angles in irregular foundation pits, the angle between adjacent walers 1 is adjusted using the corner movable connector 2 to adapt to them. When facing different load requirements in irregular foundation pits, different variable diameter pipes 4 are replaced for adaptation, thereby ensuring the stability and safety of irregular foundation pits. It can be seen that the foundation pit variable diameter support structure of this utility model, through the waler component with freely adjustable angle and the support component with freely adjustable support force, achieves adaptation to retaining walls 8 with different angles and loads in irregular foundation pits, solving the problem that traditional foundation pit support structures in the prior art are difficult to adapt to the shape and load requirements of irregular foundation pits.

[0039] In some possible embodiments of this utility model, such as Figure 2 As shown, the support assembly also includes an adjustable hinge head 6 located at the other end of the support pipe 3. The adjustable hinge head 6 enhances the overall integrity of the node through improved structural design, thereby improving the stability and safety of the foundation pit project. At the same time, the adjustable hinge head 6 has greater load-bearing capacity and rigidity, which helps to control the deformation of the foundation pit more effectively. Moreover, the adjustable hinge head 6 simplifies the construction operation, making the installation and adjustment of the support pipe 3 more convenient and faster, improving construction efficiency. Finally, the adjustable hinge head 6 also improves the force transmission method, reduces construction risks, and reduces the risk of continuous collapse caused by weak node connections.

[0040] In some possible embodiments of this utility model, such as Figure 2As shown, the hinge support 5 is connected to the adjustable hinge head 6 and the reducer 4 respectively located at the end of the support pipe 3. The hinge support 5 can be used to easily adjust the connection angle and improve construction efficiency.

[0041] In some embodiments of this utility model, such as Figure 1 As shown, the waler 1 uses standard waler 1 components with specifications of 300*300*10*15. The production of standard waler 1 sections typically employs automated and standardized processes, ensuring consistent product quality and improving stability. Simultaneously, the design of standard sections usually considers ease of installation and disassembly, enabling rapid assembly and adjustment on the construction site. Secondly, the use of standard sections makes the structural design more modular, facilitating application in different projects and improving the versatility of the structure. Furthermore, standard sections typically meet the requirements of various engineering specifications and standards, ensuring the safety, applicability, and durability of the structure. Finally, the manufacturing process of standard sections is mature and reliable, which helps reduce maintenance costs.

[0042] In some embodiments of this utility model, such as Figure 1 As shown, the support pipe 3 is made of square tubing. Square tubing is widely used in the construction and engineering fields due to its excellent stability, convenient installation, efficient space utilization, superior torsional resistance, flat surface treatment, ease of connection with other components, and high production efficiency, especially in applications requiring high-strength support, such as foundation pit support. More specifically, in this embodiment, the support pipe 3 uses a standard section of 400*400*12mm square steel pipe. The production of standard sections of square steel pipe typically employs automated and standardized processes, ensuring consistent product quality and improving stability. Furthermore, the design of standard sections usually considers ease of installation and disassembly, allowing for rapid assembly and adjustment on the construction site. Secondly, the use of standard sections makes the structural design more modular, facilitating application in different projects and improving the versatility of the structure. Moreover, standard sections typically meet the requirements of various engineering specifications and standards, ensuring the safety, applicability, and durability of the structure. Finally, the manufacturing process of standard sections is mature and reliable, which helps reduce maintenance costs.

[0043] In some embodiments of this utility model, such as Figure 1 As shown, the reducing pipe 4 is a square reducing pipe 4 that is adapted to the supporting pipe 3. More specifically, in this embodiment, the square reducing pipe 4 can be a reducing pipe with a diameter of 400mm to 300mm and a wall thickness of 12mm. The above specific embodiments are given as examples only and do not limit the content of this utility model. The specific settings need to be based on the construction site.

[0044] In some embodiments of this utility model, such as Figure 2As shown, the support pipe 3 is a circular pipe. Circular pipes, with their excellent mechanical properties, simple manufacturing process, ease of processing and forming, high strength, good welding quality, and ease of plastic deformation, play a crucial role in foundation pit support, a field requiring pressure bearing and structural support. More specifically, in this embodiment, the support pipe 3 uses a standard circular pipe section with a specification of 500*12mm. The production of standard circular pipe sections typically employs automated and standardized processes, ensuring consistent product quality and improving stability. Simultaneously, the design of standard sections usually considers ease of installation and disassembly, enabling rapid assembly and adjustment on the construction site. Secondly, the use of standard sections makes the structural design more modular, facilitating application in different projects and improving the versatility of the structure. Furthermore, standard sections typically meet the requirements of various engineering specifications and standards, ensuring the safety, applicability, and durability of the structure. Finally, the manufacturing process of standard sections is mature and reliable, which helps reduce maintenance costs.

[0045] In some embodiments of this utility model, such as Figure 2 As shown, the reducing pipe 4 is a circular reducing pipe 4 adapted to the supporting pipe 3. More specifically, in this embodiment, the circular reducing pipe 4 can have a diameter of 500mm to 300mm and a wall thickness of 12mm. The above specific embodiments are given as examples only and do not limit the content of this utility model. The specific settings need to be based on the construction site.

[0046] In some embodiments of this utility model, such as Figure 1 as well as Figure 2 As shown, the walers 1 are horizontally arranged on the inner side of the support wall 8, and the horizontal height of the multiple walers 1 is the same, so that the supporting force on the support wall 8 corresponding to the walers 1 is more even and the supporting effect is better.

[0047] In some embodiments of this utility model, such as Figure 2 As shown, the foundation pit variable diameter support structure also includes multiple chain hooks 7. One end of the chain hook 7 is set on the top of the support wall 8, and the other end is connected to the waler 1 to assist in the horizontal positioning of the waler 1.

[0048] In some embodiments of this utility model, the other end of the support component can also be directly connected to the ground via a hinged support 5. The other end of the support component can be connected to the waler 1 or to the ground, depending on the load requirements of the support wall 8.

[0049] More specifically, in some embodiments of this utility model, the construction steps of the foundation pit variable diameter support structure include:

[0050] i: Splicing support components, select a support pipe 3 with a suitable size according to the construction site, install a reducing pipe 4 at one end of the support pipe 3, install an adjustable hinge head 6 at the other end, and install a hinge support 5 on the reducing pipe 4 and the adjustable hinge head 6.

[0051] ii: Assemble the waler assembly. Select a suitable waler 1 according to the foundation pit, and assemble the waler 1 around the foundation pit using the corner movable connector 2.

[0052] iii: Hoist the assembled waler components into the foundation pit, use the chain hook 7 to pre-position the waler 1, and then hoist the support components into the foundation pit to complete the installation of the support components and waler components.

[0053] In summary, the foundation pit variable diameter support structure of this utility model has the following advantages:

[0054] 1. High adaptability: Through the design of the corner movable connector 2 and the reducing pipe 4, the foundation pit reducing support structure can adapt to the support wall 8 with different angles and loads.

[0055] 2. Good structural stability: The adjustable hinge 6 enhances the integrity of the node and improves the stability and safety of the foundation pit project.

[0056] 3. High load-bearing capacity: The adjustable hinge head 6 has greater load-bearing capacity and rigidity, effectively controlling the deformation of the foundation pit.

[0057] 4. Easy to operate: The construction operation is simplified, making the installation and adjustment of the support pipe 3 more convenient and faster.

[0058] 5. Optimized force transmission method: The force transmission method has been improved, reducing construction risks and minimizing the risk of successive collapses caused by weak node connections.

[0059] 6. Modular design: The use of standardized walers 1 and support pipes 3 improves the modularity and versatility of the structural design.

[0060] 7. Reliable quality: The production of waler 1 and support pipe 3 adopts automated and standardized processes, ensuring the consistency of product quality.

[0061] 8. Low maintenance costs: Mature manufacturing processes and reliable materials reduce maintenance costs.

[0062] 9. Flexible support method: The other end of the support component can be flexibly connected to the waler 1 or the ground, and adjusted according to the actual load.

[0063] 10. Horizontal positioning assistance: The chain hook 7 assists in the horizontal positioning of the waler 1 to ensure uniform distribution of support force.

[0064] This patented variable-diameter support structure for foundation pits offers a highly adaptable, efficient, and stable solution through innovative design. The design of the corner movable connector 2 and the variable-diameter pipe 4 allows the structure to adapt to support walls 8 with different angles and loads. The application of the adjustable hinge 6 enhances the overall integrity of the joint, improves load-bearing capacity and stiffness, effectively controls foundation pit deformation, simplifies construction operations, and increases construction efficiency. Modular design and reliable materials ensure the structure's versatility and durability, reducing maintenance costs. Overall, this patented variable-diameter support structure for foundation pits, through its unique structure and construction method, solves the problem that traditional foundation pit support structures in the prior art are unable to adapt to irregular foundation pit shapes and load requirements, providing an efficient, safe, and reliable support solution for foundation pit engineering.

[0065] Therefore, this utility model effectively overcomes the various shortcomings of the prior art and has high industrial application value.

[0066] The above embodiments are merely illustrative of the principles and effects of this utility model and are not intended to limit the scope of this utility model. Any person skilled in the art can modify or alter the above embodiments without departing from the spirit and scope of this utility model. Therefore, all equivalent modifications or alterations made by those skilled in the art without departing from the spirit and technical concept disclosed in this utility model should still be covered by the claims of this utility model.

Claims

1. A variable-diameter support structure for foundation pits, providing support for multiple retaining walls (8) within the foundation pit, characterized in that, include: The waler assembly includes multiple walers (1) and multiple corner movable connectors (2) connecting the walers (1). The multiple walers (1) are disposed on the inner side of the corresponding retaining wall (8). The walers (1) on adjacent retaining walls (8) are connected in pairs and the corner movable connectors (2) are used to adapt the angle between adjacent retaining walls (8). The support assembly includes multiple support pipes (3), multiple reducing pipes (4) disposed at one end of the support pipes (3), and multiple hinge supports (5). One end of the support assembly is connected to the waler (1) through the hinge support (5), and the other end is connected to the waler (1) on another retaining wall (8) through the hinge support (5).

2. The foundation pit variable diameter support structure according to claim 1, characterized in that: The support assembly also includes an adjustable hinge head (6) located at the other end of the support tube (3).

3. The foundation pit variable diameter support structure according to claim 2, characterized in that: The hinge support (5) is connected to the adjustable hinge head (6) and the reducing pipe (4) respectively located at the end of the support pipe (3).

4. The foundation pit variable diameter support structure according to claim 1, characterized in that: The support tube (3) is a square tube.

5. The foundation pit variable diameter support structure according to claim 4, characterized in that: The reducing pipe (4) is a square reducing pipe (4) that is compatible with the supporting pipe (3).

6. The foundation pit variable diameter support structure according to claim 1, characterized in that: The support tube (3) is a round tube.

7. The foundation pit variable diameter support structure according to claim 6, characterized in that: The reducing pipe (4) is a circular reducing pipe (4) that is compatible with the supporting pipe (3).

8. The foundation pit variable diameter support structure according to claim 1, characterized in that: The walers (1) are horizontally arranged on the inner side of the support wall (8), and the horizontal heights of the multiple walers (1) are aligned.

9. The foundation pit variable diameter support structure according to claim 1, characterized in that: The foundation pit variable diameter support structure also includes multiple chain hooks (7), one end of which is set on the top of the support wall (8), and the other end is connected to the waler (1) to assist in the horizontal positioning of the waler (1).

10. The foundation pit variable diameter support structure according to claim 1, characterized in that: The other end of the support assembly can also be directly connected to the ground via a hinged support (5).

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