An adjustable post-cast strip support structure
The adjustable support structure, consisting of the main support pipe, adjustment rod one, and adjustment rod two, solves the problem of the inability to adjust the steel pipe support structure, enabling flexible support for post-cast strip formwork of different heights and improving construction efficiency and stability.
Patent Information
- Application Number
- CN202521497878.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-07-17
- Publication Date
- 2026-08-25
- Estimated Expiration
- 2035-07-17
AI Technical Summary
In existing technologies, the length of steel pipe support structures is fixed and difficult to adjust, which requires cutting or extending the formwork support for post-cast strips at different heights, affecting construction efficiency and user experience.
The adjustable support structure consists of a main support pipe, an adjusting rod one, and an adjusting rod two. The height can be adjusted through threaded connection and operating handle to meet the needs of post-pouring strip formwork of different heights.
It enables flexible support for post-cast strip formwork of different heights, improving construction efficiency and user experience, and ensuring the stability and accuracy of the support structure.
Smart Images

Figure CN224679194U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of building construction technology, specifically an adjustable post-cast strip support structure. Background Technology
[0002] A post-cast strip is a temporary gap area reserved in a structure during construction to meet construction needs. Post-cast strips are typically located in specific locations within a building, such as the middle of an extra-long concrete structure, or at appropriate locations in the basement floor or roof slab. The width of a post-cast strip is generally 800-1200 mm, with the specific width determined according to the engineering design requirements. Concrete is not poured into the post-cast strip area during construction; instead, it is poured after the concrete structures on both sides have been completed and reached a certain strength, thus connecting the entire structure into a unified whole.
[0003] Concrete undergoes temperature changes during hardening, leading to thermal stress. When a building is excessively long, this thermal stress can cause cracks in the concrete structure. Post-cast strips can divide a building into shorter sections, effectively controlling thermal stress within each section. For example, in the construction of extremely long concrete slabs, without post-cast strips, the slabs may develop through-cracks due to temperature changes, affecting the structure's waterproofing and durability. With post-cast strips, the thermal stress in each section is relatively smaller, thus reducing the likelihood of cracking.
[0004] In existing technologies, steel pipes are typically used to fix the formwork of the post-pouring strip. However, the length of the steel pipes is usually fixed and difficult to adjust. When it is necessary to support the formwork of the post-pouring strip at different heights, it is undoubtedly necessary to cut or extend the steel pipes, which affects construction efficiency and user experience, and is not conducive to the promotion and application of the above-mentioned methods in the field of building construction technology. Utility Model Content
[0005] In order to overcome the defects in the prior art, the purpose of this utility model is to provide an adjustable post-pouring strip support structure. This post-pouring strip support structure is ingenious and easy to operate. It can support post-pouring strip formwork of different heights, complete the construction of post-pouring strips with different height requirements, improve the user experience, and facilitate the promotion and application of the above-mentioned adjustable post-pouring strip support structure in the field of building construction technology.
[0006] To achieve the above-mentioned utility model objectives, the present utility model adopts the following technical solution: an adjustable post-cast strip support structure, installed below the post-cast strip template; the post-cast strip support mechanism includes a main support pipe, an adjusting rod one, and an adjusting rod two, wherein the main support pipe has openings at both ends and the opening size is adapted to the outer diameter of the adjusting rod one and the adjusting rod two, the adjusting rod one is adjustablely installed at the bottom opening of the main support pipe, and the adjusting rod two is adjustablely installed at the top opening of the main support pipe.
[0007] As a preferred embodiment of this utility model, the upper opening of the main support tube and / or the lower opening of the main support tube are both threaded openings, and correspondingly, the adjusting rod one and / or the adjusting rod two are threaded rods.
[0008] In a preferred embodiment of this utility model, a mounting plate is fixedly connected to the bottom of the adjusting rod, and the area of the mounting plate is larger than the cross-sectional area of the adjusting rod.
[0009] In a preferred embodiment of this utility model, a pressure-reducing plate is fixedly connected to the top of the second adjusting rod, and the area of the pressure-reducing plate is larger than the cross-sectional area of the second adjusting rod.
[0010] As a preferred embodiment of this utility model, the main support tube is provided with an operating handle that can rotate the main support tube and make the main support tube rotate around the adjusting rod one and / or the adjusting rod two.
[0011] In a preferred embodiment of this utility model, the operating handle passes through the main support tube and is fixed to the main support tube.
[0012] As a preferred embodiment of this utility model, the operating handle is made of steel bars.
[0013] In a preferred embodiment of this utility model, the distance by which the first adjusting rod and / or the second adjusting rod extends beyond the outer end of the main support tube is less than or equal to 250 mm.
[0014] As a preferred embodiment of this utility model, if the distance by which the first adjusting rod and / or the second adjusting rod extends beyond the outer end of the main support tube is greater than 250mm, a height adjustment component is installed at the bottom of the mounting plate.
[0015] As a preferred embodiment of this utility model, the main support pipe is made of steel pipe.
[0016] Compared with the prior art, the beneficial effects of this utility model are as follows: The adjustable post-cast strip support structure of this utility model is ingenious. By setting a main support pipe, adjusting rod one, and adjusting rod two, the central axes of the main support pipe, adjusting rod one, and adjusting rod two are all located on the same straight line. By adjusting the position of the adjusting rod one and / or the adjusting rod two in the main support pipe, the post-cast strip support structure can be adapted to post-cast strip formwork at different heights, thereby meeting the requirements for supporting post-cast strip formwork at different heights, completing the construction of post-cast strips with different height requirements, improving the user experience, and facilitating the promotion and application of the adjustable post-cast strip support structure in the field of building construction technology. Attached Figure Description
[0017] Figure 1 This is a schematic diagram of an adjustable post-cast strip support structure in one embodiment; Figure 2 yes Figure 1 A magnified schematic diagram of the structure at point A in the middle.
[0018] Reference numerals in the attached drawings: 1. Main support tube; 2. Adjusting rod one; 3. Mounting plate; 4. Adjusting rod two; 5. Pressure reducing plate; 6. Operating handle. Detailed Implementation
[0019] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model is described below with reference to specific embodiments shown in the accompanying drawings. However, it should be understood that these descriptions are merely exemplary and not intended to limit the scope of the present utility model. Furthermore, descriptions of well-known structures and technologies are omitted in the following description to avoid unnecessarily obscuring the concept of the present utility model.
[0020] In the description of this utility model, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.
[0021] The embodiments of this utility model will now be described in detail with reference to the accompanying drawings.
[0022] Example: Figures 1 to 2As shown, an adjustable post-pouring strip support structure is primarily designed for installation below the post-pouring strip template to support it, thereby enabling pouring within the template. In this embodiment, the post-pouring strip support structure is adapted to post-pouring strip templates at different heights, thus supporting templates of varying heights and facilitating the construction of post-pouring strips with different height requirements. It mainly consists of a main support pipe 1, an adjusting rod 2, and an adjusting rod 4. The main support pipe 1 has openings at both ends, the size of which matches the outer diameter of the adjusting rods 2 and 4. The adjusting rod 2 is adjustablely installed at the bottom opening of the main support pipe 1, and the adjusting rod 4 is adjustablely installed at the top opening of the main support pipe 1. By adjusting the rods 2 and 4, the overall height of the main support pipe 1 can be flexibly adjusted, allowing the support structure to adapt to the needs of different construction stages. For example, during basement construction, the depth of the post-cast strip area may vary depending on design requirements. By extending and retracting the adjusting rod, the support height can be precisely adjusted to ensure that the support structure matches the structure of the post-cast strip area. The opening sizes at both ends of the main support pipe 1 are adapted to the outer diameters of the aforementioned adjusting rod 2 and adjusting rod 4, ensuring that the adjusting rod can be stably inserted into the main support pipe 1 without loosening or slipping during adjustment, thus ensuring the stability of the support structure at different heights.
[0023] During construction, the existing steel pipe support structure may change due to design modifications or actual construction conditions, requiring adjustments to the length of the steel pipes. However, the adjustable support structure in this embodiment can quickly adapt to these changes without requiring redesign or replacement of support components. For example, if the structural height of the post-cast strip area needs temporary adjustment, the support height can be quickly adjusted by extending or retracting the adjusting rod, saving time and costs.
[0024] The main support pipe 1 is the core component of the support structure, bearing the primary load transfer responsibility. Its open-end design facilitates the installation and adjustment of the adjusting rods while also ensuring the overall integrity of the support structure. The main support pipe 1 is typically made of high-strength steel, capable of withstanding significant pressure and ensuring the stability of the support structure during construction.
[0025] In this embodiment, the first adjusting rod 2 is installed at the bottom of the main support pipe 1, and the second adjusting rod 4 is installed at the top of the main support pipe 1. This dual-adjusting rod design effectively distributes the load and enhances the overall stability of the support structure. The first adjusting rod 2 adjusts the bottom support height to ensure close contact between the support structure and the foundation (ground or other installation surface). The second adjusting rod 4 adjusts the top support height to ensure a tight fit between the support structure and the post-pouring strip area, guaranteeing the support effect. Furthermore, through the flexible adjustment of the adjusting rods, the support structure can be optimized according to the actual construction conditions and load distribution, ensuring optimal stability and reliability at different construction stages and effectively preventing structural deformation or collapse in the post-pouring strip area.
[0026] In this embodiment, the upper opening and / or lower opening of the main support pipe 1 are both threaded. Correspondingly, the adjusting rod 2 and / or the adjusting rod 4 are threaded rods. That is, the adjusting rod 2 and / or the adjusting rod 4 are connected to the main support pipe 1 via threaded connections. Threaded connection is a mechanical connection method that achieves a tight connection between two components through thread engagement. Designing the opening of the main support pipe 1 as a threaded opening and the adjusting rod 2 and / or the adjusting rod 4 as threaded rods ensures a very firm connection between the adjusting rod and the main support pipe 1. This connection method effectively prevents the adjusting rod from loosening or slipping due to external forces during use, thereby improving the overall stability of the support structure. For example, during construction, the support structure may be affected by various external forces, such as workers stepping on it or materials being piled up. Threaded connections can effectively resist these external forces, ensuring that the support structure remains stable. Simultaneously, threaded connections allow for precise height adjustment, which is not only convenient and quick but also allows for fine-tuning, ensuring that the height of the support structure accurately meets construction requirements. For example, during construction in the post-cast strip area, it may be necessary to fine-tune the height of the supporting structure to ensure a tight fit between the supporting structure and the structure of the post-cast strip area. Threaded connections can achieve millimeter-level adjustment precision, meeting this high-precision construction requirement and improving the user experience.
[0027] To increase the overall stability of the post-cast strip support structure and prevent slippage or overturning during use, in this embodiment, the bottom of the adjusting rod 2 is fixedly connected to a mounting plate 3. The area of the mounting plate 3 is larger than the cross-sectional area of the adjusting rod 2, meaning the contact area between the mounting plate 3 and the ground is larger than the contact area between the adjusting rod 2 and the ground. By increasing the contact area, the pressure is reduced, the load is evenly distributed, and excessive local stress is avoided. Similarly, to further ensure its stability during use, in this embodiment, a pressure-reducing plate 5 is fixedly connected to the top of the adjusting rod 4. The area of the pressure-reducing plate 5 is larger than the cross-sectional area of the adjusting rod 4.
[0028] To reduce operational difficulty and improve user experience, the main support pipe 1 is equipped with an operating handle 6 that allows it to rotate around the adjusting rod 2 and / or the adjusting rod 4. The operating handle 6 passes through and is fixed to the main support pipe 1 to prevent it from falling off during use. The operating handle 6 is made of steel reinforcement, which is simple in structure and economical in practice.
[0029] To ensure the strength of the support and the overall structural strength of the post-cast strip support structure, and to prevent the aforementioned adjusting rod 2 and / or adjusting rod 4 from breaking or bending during use, in this embodiment, the distance from the outer end of the aforementioned adjusting rod 2 and / or adjusting rod 4 extending beyond the outer end of the aforementioned main support pipe 1 is less than or equal to 250mm. If the distance from the outer end of the aforementioned adjusting rod 2 and / or adjusting rod 4 extending beyond the outer end of the aforementioned main support pipe 1 is greater than 250mm, a height adjustment component is installed at the bottom of the aforementioned mounting plate 3. The height adjustment component can be an adjustment plate with a certain thickness.
[0030] This embodiment presents an adjustable post-cast strip support structure. This ingenious structure features a main support pipe 1, an adjusting rod 2, and an adjusting rod 4, all aligned on the same straight line. By adjusting the position of adjusting rod 2 and / or adjusting rod 4 within the main support pipe 1, the structure can adapt to post-cast strip formwork at different heights. This allows for support of post-cast strips at varying heights, facilitating construction of post-cast strips with different height requirements, improving user experience, and promoting the widespread application of this adjustable post-cast strip support structure in the field of building construction technology.
[0031] The above description of the disclosed embodiments enables those skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention; therefore, the present invention is not to be limited to the embodiments shown herein, but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
[0032] Although this document frequently uses reference numerals from the accompanying drawings, such as 1. Main support tube; 2. Adjusting rod one; 3. Mounting plate; 4. Adjusting rod two; 5. Pressure reducing plate; and 6. Operating handle, the possibility of using other terms is not excluded. These terms are used merely for the convenience of describing and explaining the essence of this utility model; interpreting them as any additional limitation would contradict the spirit of this utility model.
Claims
1. An adjustable post-cast strip support structure, characterized in that: Installed below the post-pouring strip template; the post-pouring strip support mechanism includes a main support pipe (1), an adjusting rod one (2) and an adjusting rod two (4). The main support pipe (1) has openings at both ends, and the size of the openings is adapted to the outer diameter of the adjusting rod one (2) and the adjusting rod two (4). The adjusting rod one (2) is installed at the bottom opening of the main support pipe (1) in an adjustable position, and the adjusting rod two (4) is installed at the top opening of the main support pipe (1) in an adjustable position.
2. The adjustable post-cast strip support structure according to claim 1, characterized in that: The upper opening of the main support tube (1) and / or the lower opening of the main support tube (1) are both threaded openings, and correspondingly, the first adjusting rod (2) and / or the second adjusting rod (4) are threaded rods.
3. The adjustable post-cast strip support structure according to claim 2, characterized in that: The bottom of the adjusting rod (2) is fixedly connected to a mounting plate (3), and the area of the mounting plate (3) is greater than the area of the cross section of the adjusting rod (2).
4. The adjustable post-cast strip support structure according to claim 2, characterized in that: A pressure-reducing plate (5) is fixedly connected to the top of the second adjusting rod (4), and the area of the pressure-reducing plate (5) is larger than the area of the cross section of the second adjusting rod (4).
5. The adjustable post-cast strip support structure according to claim 2, characterized in that: The main support tube (1) is provided with an operating handle (6) that can rotate the main support tube (1) and make the main support tube (1) rotate around the adjusting rod one (2) and / or the adjusting rod two (4).
6. The adjustable post-cast strip support structure according to claim 5, characterized in that: The operating handle (6) passes through the main support tube (1) and is fixed to the main support tube (1).
7. The adjustable post-cast strip support structure according to claim 5, characterized in that: The operating handle (6) is made of steel bars.
8. The adjustable post-cast strip support structure according to claim 3, characterized in that: The distance by which the first adjusting rod (2) and / or the second adjusting rod (4) extends beyond the outer end of the main support tube (1) is less than or equal to 250 mm.
9. An adjustable post-cast strip support structure according to claim 8, characterized in that: If the distance by which the first adjusting rod (2) and / or the second adjusting rod (4) extends beyond the outer end of the main support tube (1) is greater than 250mm, a height adjustment component is installed at the bottom of the mounting plate (3).
10. An adjustable post-cast strip support structure according to claim 1, characterized in that: The main support pipe (1) is made of steel pipe.