Adjustable spacing foundation pit support structure and system
By designing an adjustable-spacing foundation pit support structure and utilizing adjustable connecting rod assemblies and spherical connectors, the problem of poor adaptability of foundation pit support structures was solved, achieving flexible adaptation and efficient assembly of foundation pit support, reducing costs and improving safety.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- 广州宏途设备工程有限公司
- Filing Date
- 2025-03-28
- Publication Date
- 2026-06-12
AI Technical Summary
The existing foundation pit support structure has poor adaptability, which makes it difficult to adapt to foundation pits of different shapes and sizes. It requires complex modification and welding, which wastes time and resources and poses safety hazards.
An adjustable-spacing foundation pit support structure is designed, employing an adjustable connecting rod assembly, including male and female rods. The length of the connecting rods is adjusted through telescopic buckles and bayonet structures. Combined with spherical connectors and stop parts, the connection reliability and adaptability are enhanced.
It achieves flexible adaptation of foundation pit support structure, reduces the types of components, improves assembly efficiency and safety, reduces costs, and adapts to the needs of foundation pits of different shapes and sizes.
Smart Images

Figure CN224351237U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of civil engineering construction technology, and in particular to an adjustable spacing foundation pit support structure and system. Background Technology
[0002] In the construction industry, safety and structural stability hold paramount importance. They are not only crucial for the successful completion of a project but also the solid foundation for protecting the lives of construction workers. Among the many construction stages, foundation pit engineering is particularly critical, as it relates to the stability of the entire building and directly impacts the safety of construction personnel. The safety of foundation pit engineering is the cornerstone of a successful construction project; any negligence can lead to serious consequences.
[0003] Existing foundation pit support structures are often designed only for foundation pits of specific shapes and sizes. However, foundation pits of different shapes and sizes require different support surfaces and support forces. In such cases, engineers often need to redesign and develop existing regular support structures, involving complex cutting and welding work to meet the load requirements of different foundation pits. These modifications not only waste a lot of time and resources, but also, due to their poor adaptability, may lead to support structure failure or even safety accidents. Utility Model Content
[0004] In view of the shortcomings of the prior art described above, the technical problem to be solved by this utility model is to provide an adjustable spacing foundation pit support structure and system, so as to solve the adaptation problem caused by the poor adaptability of the foundation pit support structure in the prior art.
[0005] To solve the above-mentioned technical problems, this utility model provides an adjustable-spacing foundation pit support structure, comprising:
[0006] Two support arms are set in parallel relative to each other;
[0007] A plurality of connecting rod groups are disposed between two support arms. Each connecting rod group includes multiple adjustable connecting rods, and the multiple adjustable connecting rods are at different angles to the support arms.
[0008] The adjustable connecting rod includes a male rod and a female rod. One end of the male rod and the female rod are respectively connected to the support arm. The other end of the female rod is provided with an opening for the male rod to be inserted. The male rod is provided with several telescopic buckles, and the female rod is provided with several slots that are adapted to the telescopic buckles. The other end of the male rod is inserted into the opening. By adjusting the telescopic buckles to engage with the slots at different depths, the overall length of the adjustable connecting rod can be adjusted to adapt to the required length of the adjustable connecting rod at different angles to the support arm.
[0009] As a more preferred method, the male rod is provided with several protrusions, and the telescopic buckle includes a limiting part and a protrusion provided on the limiting part. The limiting part is provided on the inner side of the male rod, and the limiting part pushes up the protrusion and makes it extend out of the protrusion, thereby engaging with the buckle of the female rod.
[0010] As a more preferred embodiment, the telescopic buckle further includes a stop portion disposed on the outer side wall of the top of the protrusion, the stop portion being used to prevent the telescopic buckle from fully retracting into the male rod.
[0011] As a more preferred method, the male rod is also provided with several elastic members. One end of the elastic member is fixed to the inner wall of the male rod, and the other end is connected to the limiting part. The elastic member applies an elastic force to the limiting part in the direction of the protrusion, pushing the protrusion to protrude from the protrusion. The limiting part abuts against and is limited by the inner wall of the male rod.
[0012] As a more preferred approach, the elastic element is a spring, which is made of simple and readily available materials, thus reducing production costs.
[0013] As a more preferred approach, the ends of the male and female rods are provided with spherical connectors. The male and female rods are connected to the support arm through the spherical connectors. The spherical connectors can evenly distribute the force on the spherical connectors and the corresponding connecting parts, avoiding stress concentration and improving the reliability and load-bearing capacity of the connection. In structures bearing large loads, the spherical connectors can effectively transfer and disperse the load, ensuring the safety of the structure.
[0014] As a more preferred embodiment, the connecting rod assembly includes three adjustable connecting rods, one of which is perpendicular to the two support arms, and the other two are symmetrically arranged on both sides of this adjustable connecting rod.
[0015] As a more preferred embodiment, the support arm is provided with several connecting plates, and one end of each adjustable connecting rod in the connecting rod assembly is fixed to the connecting plate.
[0016] As a more preferred approach, the support arm includes two parallel support rods and several reinforcing rods disposed between the two support rods. The two support rods of the support arm are arranged vertically to better bear the vertical load. The support arm is arranged vertically, and the support arms are connected by adjustable connecting rods to form a box-type support system, which can increase the horizontal and vertical stiffness and strength, increase the span, reduce the number of columns, and speed up the construction period.
[0017] To address the aforementioned problems, this utility model also provides an adjustable-spacing foundation pit support system for providing support for multiple retaining walls in a foundation pit, comprising:
[0018] The foundation pit waler is attached to the retaining wall.
[0019] Several vertical supports and inclined supports are provided, and the vertical supports and inclined supports each include the aforementioned adjustable-spacing pit support structure. The two ends of the adjustable-spacing pit support structure respectively abut against the pit waler.
[0020] As described above, the adjustable spacing foundation pit support structure and system of this utility model has the following beneficial effects: When in use, the adjustable spacing foundation pit support structure of this utility model, through the design of the male and female rods of the adjustable connecting rod, combined with the telescopic buckle and bayonet structure, achieves adjustable length of the adjustable connecting rod. Thus, the spacing between the support arms can be easily adjusted via the adjustable connecting rod to adapt to different foundation pit shapes and sizes. Furthermore, the adjustable connecting rod, by adjusting its length to match the spacing between it and the support arm, avoids the use of connecting rods of various lengths and sizes, resulting in strong component versatility and more convenient assembly.
[0021] The adjustable spacing foundation pit support system of this utility model uses the above-mentioned adjustable spacing foundation pit support structure to support the foundation pit waler in multiple directions. By adjusting the spacing between the support arms, it can support support walls of different shapes and sizes.
[0022] The adjustable spacing foundation pit support structure and system of this utility model realizes the adjustment of the spacing between support arms through the adjustable connecting rod whose length can be continuously adjusted, thereby meeting the adaptation to support walls of different shapes and sizes, and solving the adaptation problem caused by the poor adaptability of foundation pit support structures in the prior art. Attached Figure Description
[0023] Figure 1 The diagram shown is a structural schematic of the adjustable-spacing foundation pit support structure of this utility model.
[0024] Figure 2 The diagram shown is a structural schematic of the adjustable connecting rod of the adjustable spacing foundation pit support structure of this utility model.
[0025] Figure 3 The image shown is a cross-sectional view of the male member of the adjustable-spacing foundation pit support structure of this utility model.
[0026] Figure 4 The diagram shown is a schematic of the adjustable spacing foundation pit support system of this utility model.
[0027] Component designation explanation
[0028] 1 Adjustable Spacing Foundation Pit Support Structure
[0029] 11 Support Arm
[0030] 111 Support rod
[0031] 112 Reinforcing Rod
[0032] 113 Connecting plate
[0033] 12 Adjustable connecting rods
[0034] 121 male pole
[0035] 121a Protruding mouth
[0036] 121b Elastic component
[0037] 122 Mother rod
[0038] 122a Opening
[0039] 122b checkpoint
[0040] 123 Telescopic buckle
[0041] 123a Limiting part
[0042] 123b Protrusion
[0043] 123c Stop section
[0044] 124 Ball Joint
[0045] 2. Foundation pit walers Detailed Implementation
[0046] 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.
[0047] 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.
[0048] 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.
[0049] 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.
[0050] like Figures 1 to 3 As shown, this utility model provides an adjustable spacing foundation pit support structure 1, comprising:
[0051] Two support arms 11 are arranged in parallel relative to each other;
[0052] A plurality of connecting rod groups are provided, wherein the connecting rod groups are disposed between the two support arms 11, and the connecting rod groups include multiple adjustable connecting rods 12, wherein the multiple adjustable connecting rods 12 are at different angles to the support arms 11;
[0053] The adjustable connecting rod 12 includes a male rod 121 and a female rod 122. One end of the male rod 121 and the female rod 122 are respectively connected to the support arm 11. The other end of the female rod 122 is provided with an opening 122a for the male rod 121 to be inserted. The male rod 121 is provided with a plurality of telescopic buckles 123. The female rod 122 is provided with a plurality of slots 122b that are adapted to the telescopic buckles 123. The other end of the male rod 121 is inserted into the opening 122a. By adjusting the telescopic buckles 123 to engage with slots 122b at different depths, the overall length of the adjustable connecting rod 12 is adjusted to adapt to the required length of the adjustable connecting rod 12 at different angles to the support arm 11.
[0054] To better illustrate the adjustable spacing foundation pit support structure 1 of this utility model, the following specific application will be used as an example: In use, the adjustable spacing foundation pit support structure 1 utilizes the male rod 121 and female rod 122 structure of the adjustable connecting rod 12, combined with the telescopic buckle 123 and the bayonet 122b structure, to achieve adjustable length of the adjustable connecting rod 12. This allows for convenient adjustment of the spacing between the support arms 11 via the adjustable connecting rod 12, thus adapting to different foundation pit shapes and sizes. Furthermore, the adjustable connecting rod 12, by adjusting its length to match the spacing between itself and the support arms 11, avoids the use of connecting rods of various lengths and sizes, resulting in strong component versatility and more convenient assembly.
[0055] In some possible embodiments of this utility model, such as Figure 2 As shown, the male rod 121 is provided with a plurality of protrusions 121a. The telescopic buckle 123 includes a limiting part 123a and a protrusion 123b provided on the limiting part 123a. The limiting part 123a is provided on the inner side of the male rod 121. The limiting part 123a pushes up the protrusion 123b and makes it protrude from the protrusion 121a, and then engages with the latch 122b of the female rod 122.
[0056] In some possible embodiments of this utility model, such as Figure 3 As shown, the male rod 121 is also provided with a plurality of elastic members 121b. One end of the elastic member 121b is fixed to the inner wall of the male rod 121, and the other end is connected to the limiting part 123a. The elastic member 121b applies an elastic force to the limiting part 123a in the direction of the protrusion 121a, pushing the protrusion 123b out of the protrusion 121a. The limiting part 123a abuts against the inner wall of the male rod 121 and is limited.
[0057] In some possible embodiments of this utility model, such as Figure 4 As shown, the elastic element 121b is a spring, which is made of simple and readily available materials, thus reducing production costs.
[0058] In some possible embodiments of this utility model, such as Figure 2 As shown, the ends of the male rod 121 and the female rod 122 are provided with spherical connectors 124. The male rod 121 and the female rod 122 are connected to the support arm 11 through the spherical connectors 124. The spherical connectors can distribute the force evenly on the spherical connectors 124 and the corresponding connecting parts, avoiding stress concentration and improving the reliability and load-bearing capacity of the connection. In structures bearing large loads, the spherical connectors can effectively transfer and disperse the load, ensuring the safety of the structure.
[0059] In some possible embodiments of this utility model, such as Figure 1 As shown, the connecting rod assembly includes three adjustable connecting rods 12, one of which is perpendicular to the two support arms 11, and the other two are symmetrically arranged on both sides of this adjustable connecting rod 12.
[0060] In some possible embodiments of this utility model, such as Figure 1 As shown, the support arm 11 is provided with a plurality of connecting plates 113, and one end of the adjustable connecting rod 12 included in the connecting rod group is fixed to the connecting plate 113.
[0061] In some possible embodiments of this utility model, such as Figure 1 As shown, the support arm 11 includes two parallel support rods 111 and several reinforcing rods 112 disposed between the two support rods 111. The two support rods 111 of the support arm 11 are arranged vertically to better bear the vertical load. The support arm 11 is arranged vertically and the support arms 11 are connected by adjustable connecting rods 12 to form a box-type support system, which can increase the horizontal and vertical stiffness and strength, increase the span, reduce the number of columns, and speed up the construction period.
[0062] In some possible embodiments of this utility model, such as Figure 3 As shown, the telescopic buckle 123 also includes a stop portion 123c disposed on the outer side wall of the top of the protrusion 123b, the stop portion 123c being used to prevent the telescopic buckle 123 from being completely retracted into the male rod 121.
[0063] To solve the above problems, such as Figure 4 As shown, this utility model also provides an adjustable-spacing foundation pit support system for providing support for multiple support walls in a foundation pit, including:
[0064] Pit waler 2, wherein the pit waler 2 is attached to the retaining wall;
[0065] Several vertical supports and inclined supports are provided, and the vertical supports and inclined supports all include the above-mentioned adjustable spacing foundation pit support structure 1. The two ends of the adjustable spacing foundation pit support structure 1 respectively abut against the foundation pit waler 2.
[0066] To better illustrate the adjustable-spacing foundation pit support system of this utility model, the following specific application will be used as an example: The adjustable-spacing foundation pit support system of this utility model uses the aforementioned adjustable-spacing foundation pit support structure 1 to support the foundation pit waler 2 in multiple directions. By adjusting the spacing between the support arms 11, it can support support walls of different shapes and sizes. It can be seen that the adjustable-spacing foundation pit support structure 1 and system of this utility model, through the adjustable connecting rod 12 whose length can be continuously adjusted, realizes the adjustment of the spacing between the support arms 11, thereby meeting the adaptation to support walls of different shapes and sizes, and solving the adaptation problem caused by the poor adaptability of foundation pit support structures in the prior art.
[0067] In summary, the adjustable-spacing foundation pit support structure and system of this utility model has the following advantages:
[0068] 1. Structural Design:
[0069] Adjustable connecting rod 12: Through the cooperation of male rod 121 and female rod 122, combined with the design of telescopic buckle 123 and bayonet 122b, the length of the connecting rod is adjustable, which can adapt to different pit shapes and sizes.
[0070] Multi-angle connection: The adjustable connecting rod 12 and the support arm 11 are set at different angles, which enhances the flexibility and adaptability of the structure.
[0071] 2. Ease of use:
[0072] Easy length adjustment: The overall length of the adjustable connecting rod 12 can be easily adjusted by adjusting the telescopic buckle 123 to engage with the slots 122b at different depths, without the need for complicated tools or operations.
[0073] High component versatility: It avoids the use of connecting rods of various lengths, models and sizes, reduces the types of components, and facilitates management and assembly.
[0074] 3. Cost-effectiveness:
[0075] Simple materials: The elastic component 121b uses a spring, which is simple and readily available, reducing production costs.
[0076] High assembly efficiency: The components are highly versatile and easy to assemble, which improves construction efficiency and indirectly reduces construction costs.
[0077] 4. Reliability:
[0078] Spherical connector 124: The spherical connector 124 at the ends of the male rod 121 and the female rod 122 is designed to distribute the load evenly, avoid stress concentration, and improve the reliability and load-bearing capacity of the connection.
[0079] Stop part 123c design: The stop part 123c on the telescopic buckle 123 prevents the protrusion 123b from retracting completely into the male rod 121, ensuring the stability of the connection.
[0080] 5. System compatibility:
[0081] Foundation pit support system: The adjustable spacing foundation pit support structure 1 can be easily integrated into the foundation pit support system. By adjusting the spacing between the support arms 11, it can support support walls of different shapes and sizes.
[0082] This patented adjustable-spacing foundation pit support structure 1, through its innovative adjustable connecting rod 12 design, achieves flexible adjustment of the spacing between the support arms 11, adapting to different foundation pit shapes and sizes. Its core advantage lies in the cooperation of the male rod 121 and female rod 122, combined with the structure of the telescopic buckle 123 and the bayonet 122b, enabling convenient adjustment of the connecting rod length. This eliminates the need for connecting rods of various lengths, resulting in strong component versatility and easy assembly. Simultaneously, the design of the spherical connector 124 and the stop part 123c enhances the structure's reliability and load-bearing capacity. Its application in foundation pit support systems further highlights its flexibility and adaptability, solving the problem of poor adaptability in existing foundation pit support structures and providing a highly efficient, reliable, and cost-effective solution.
[0083] Therefore, this utility model effectively overcomes the various shortcomings of the prior art and has high industrial application value.
[0084] 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. An adjustable-spacing foundation pit support structure (1), characterized in that, include: Two support arms (11) are set in parallel to each other; A plurality of connecting rod groups are arranged between two support arms (11). Each connecting rod group includes multiple adjustable connecting rods (12), and the multiple adjustable connecting rods (12) are at different angles to the support arms (11). The adjustable connecting rod (12) includes a male rod (121) and a female rod (122). One end of the male rod (121) and the female rod (122) are respectively connected to the support arm (11). The other end of the female rod (122) is provided with an opening (122a) for the male rod (121) to be inserted. The male rod (121) is provided with a plurality of telescopic buckles (123). The female rod (122) is provided with a plurality of slots (122b) that are adapted to the telescopic buckles (123). The other end of the male rod (121) is inserted into the opening (122a). The telescopic buckles (123) are adjusted to engage with slots (122b) at different depths, thereby adjusting the overall length of the adjustable connecting rod (12) to adapt to the required length of the adjustable connecting rod (12) at different angles to the support arm (11).
2. The adjustable spacing foundation pit support structure (1) according to claim 1, characterized in that: The male rod (121) is provided with a plurality of protrusions (121a). The telescopic buckle (123) includes a limiting part (123a) and a protrusion (123b) provided on the limiting part (123a). The limiting part (123a) is provided inside the male rod (121). The limiting part (123a) pushes up the protrusion (123b) and makes it protrude from the protrusion (121a), and then engages with the buckle (122b) of the female rod (122).
3. The adjustable spacing foundation pit support structure (1) according to claim 2, characterized in that: The telescopic buckle (123) also includes a stop (123c) disposed on the outer side wall of the top of the protrusion (123b), the stop (123c) being used to prevent the telescopic buckle (123) from being completely retracted into the male rod (121).
4. The adjustable spacing foundation pit support structure (1) according to claim 2, characterized in that: The male rod (121) is also provided with a plurality of elastic members (121b). One end of the elastic member (121b) is fixed to the inner wall of the male rod (121), and the other end is connected to the limiting part (123a). The elastic member (121b) applies an elastic force to the limiting part (123a) in the direction of the protrusion (121a), pushing the protrusion (123b) to protrude from the protrusion (121a). The limiting part (123a) abuts against the inner wall of the male rod (121) and is limited.
5. The adjustable spacing foundation pit support structure (1) according to claim 4, characterized in that: The elastic element (121b) is a spring.
6. The adjustable spacing foundation pit support structure (1) according to claim 1, characterized in that: The ends of the male rod (121) and the female rod (122) are provided with spherical connectors (124), and the male rod (121) and the female rod (122) are connected to the support arm (11) through the spherical connectors (124).
7. The adjustable spacing foundation pit support structure (1) according to claim 1, characterized in that: The connecting rod assembly includes three adjustable connecting rods (12), one of which is perpendicular to the two support arms (11), and the other two adjustable connecting rods (12) are symmetrically arranged on both sides of this adjustable connecting rod (12).
8. The adjustable spacing foundation pit support structure (1) according to claim 7, characterized in that: The support arm (11) is provided with several connecting plates (113), and one end of the adjustable connecting rod (12) included in the connecting rod group is fixed to the connecting plate (113).
9. The adjustable spacing foundation pit support structure (1) according to claim 1, characterized in that: The support arm (11) includes two parallel support rods (111) and several reinforcing rods (112) disposed between the two support rods (111). The two support rods (111) of the support arm (11) are arranged vertically to better bear the vertical load.
10. An adjustable-spacing foundation pit support system for providing support for multiple retaining walls in a foundation pit, characterized in that, include: Pit waler (2), wherein the pit waler (2) is attached to the retaining wall; Several vertical supports and inclined supports, wherein each of the vertical supports and inclined supports includes the adjustable spacing foundation pit support structure (1) according to any one of claims 1 to 9, and the two ends of the adjustable spacing foundation pit support structure (1) abut against the foundation pit waler (2) respectively.