A detachable steel reinforced concrete column polygonal hoop structure convenient to install
By designing and adjusting the polygonal stirrups of the structure, and utilizing the threaded connection between the limiting column and the connecting rod, the problem of difficult installation of polygonal stirrups in steel-concrete columns was solved, realizing a fast and stable construction process and improving construction efficiency and structural stability.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- ANHUI ZHONGCHAI CONSTRUCTION ENGINEERING CO LTD
- Filing Date
- 2025-07-16
- Publication Date
- 2026-06-09
AI Technical Summary
The existing modular steel-concrete composite column with polygonal stirrups, which is easy to install, has problems such as installation difficulties, high manpower and time consumption during construction, especially the difficulty in matching and adjusting the steel column and the connecting plate during hoisting.
An adjustment structure including a fixing sleeve, a limiting sleeve, a connecting rod, and a limiting post was designed. By splitting the polygonal stirrups and using the threaded connection between the limiting post and the connecting rod, the stirrups can be flexibly adjusted and fixed, simplifying the construction process.
It greatly saves construction time and labor costs, improves construction efficiency, ensures accurate positioning of stirrups, reduces the probability of rework, and enhances structural stability.
Smart Images

Figure CN224338517U_ABST
Abstract
Description
Technical Field
[0001] This utility model belongs to the field of polygonal stirrup technology, specifically a detachable polygonal stirrup structure for steel-concrete columns that is easy to install. Background Technology
[0002] Steel-concrete composite structures, also known as steel-reinforced concrete structures or reinforced concrete structures, are a composite structure that combines the advantages of steel and concrete structures. Its core is rolled or welded steel sections, with appropriate longitudinal reinforcing bars and stirrups on the outside of the steel sections forming a concrete structure. This structure aims to achieve structural performance not found in a single structure, or to leverage the comprehensive performance of a rational and orderly combination of multiple structures. Due to its high load-bearing capacity, fast construction speed, and significant economic benefits, steel-concrete composite structures are widely used in large-scale projects such as high-rise buildings, bridges, and tunnels. Polygonal stirrups, as a special type of reinforcing steel member, have significant advantages in building engineering, effectively improving the load-bearing capacity and stability of columns.
[0003] The existing convenient and detachable polygonal stirrup structure for steel-concrete composite columns has the following shortcomings: Polygonal stirrups play an important role in the construction of steel-concrete composite columns, but some problems have brought many challenges to the construction. The diameter of polygonal stirrups is usually 12mm or more. Although this large diameter provides a certain guarantee in terms of structural strength, it also makes the installation of steel columns very difficult. Due to the large diameter, the stirrups are relatively rigid, and bending and binding operations require more manpower and time, and the technical requirements of construction personnel are also higher, which significantly reduces construction efficiency. In addition, a new problem arises in the steel column hoisting and splicing stage. The size of the connecting plate at the bottom of the steel column is larger than the size of the polygonal stirrups. This causes the steel column to be unable to be lowered to the predetermined position smoothly during hoisting, and construction personnel often need to spend a lot of time adjusting and adapting the two. Utility Model Content
[0004] To address the problems mentioned in the background art, this utility model provides an easy-to-install detachable polygonal stirrup structure for steel-concrete composite columns, comprising two polygonal stirrups arranged in multiple groups and an adjustment structure located between the two polygonal stirrups.
[0005] The adjustment structure includes a fixing sleeve and a limiting sleeve installed on both sides of the polygonal stirrup. The inner wall of the limiting sleeve is threaded with a connecting rod. The end of the connecting rod away from the limiting sleeve has a threaded hole, and the inner thread of the threaded hole is threaded with a limit post.
[0006] Preferably, the connecting rod is inserted into the inside of the fixed sleeve and contacts the limiting post.
[0007] Preferably, the limiting post extends to the outside of the fixing sleeve and the outer wall of the limiting post is provided with a threaded groove, and the inner wall of the threaded groove is threadedly connected to a fixing ring.
[0008] Preferably, the retaining ring locks the limiting post to the outside of the retaining sleeve.
[0009] Preferably, the end of the limiting post near the connecting rod is provided with a threaded extension block adapted to the threaded hole, and the threaded extension block is rotatably connected to the inside of the threaded hole.
[0010] Compared with the prior art, the beneficial effects of this utility model are as follows:
[0011] This invention utilizes a structural design that allows for the splitting of polygonal stirrups. Based on the actual size of the steel-concrete column and connecting plate, one of the polygonal stirrups is flexibly moved to increase the distance between the two. During this process, a limiting post and a connecting rod are used to lock the stirrups in place, ensuring their relative positions are fixed. Next, a fixing ring is used to secure the limiting post and connecting rod, further stabilizing the position of the two polygonal stirrups. After the installation of these split stirrups is complete, welding or binding is only required at the diagonal points of the two polygonal stirrups. The entire construction process is simple and easy, significantly saving construction time and labor costs, and substantially improving construction efficiency. Attached Figure Description
[0012] Figure 1 This is a schematic diagram of the overall structure of the present utility model. Figure 1 ;
[0013] Figure 2 This is a top view of the structure of this utility model;
[0014] Figure 3 This is a schematic diagram of the adjustment structure of this utility model;
[0015] Figure 4 This is a cross-sectional schematic diagram of the adjustment structure of this utility model.
[0016] In the diagram: 1. Polygonal stirrup; 2. Adjustment structure; 21. Fixing sleeve; 22. Restricting sleeve; 23. Connecting rod; 24. Limiting post; 25. Fixing ring. 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] like Figures 1 to 4 As shown, this utility model provides a detachable polygonal stirrup structure for easy installation of steel-concrete columns, including two polygonal stirrups 1 arranged in multiple groups and an adjustment structure 2 located on the two polygonal stirrups 1.
[0019] The adjustment structure 2 includes a fixing sleeve 21 and a limiting sleeve 22 installed on both sides of the polygonal stirrup 1. The inner wall of the limiting sleeve 22 is threaded with a connecting rod 23. The end of the connecting rod 23 away from the limiting sleeve 22 has a threaded hole, and the inside of the threaded hole is threaded with a limit post 24.
[0020] The above solution involves adjusting the design of structure 2, splitting the polygonal stirrups 1, and then flexibly moving one of the polygonal stirrups 1 according to the actual size of the steel-concrete column and the connecting plate to increase the distance between the two polygonal stirrups 1. During this process, the limiting post 24 and the connecting rod 23 are locked together to ensure that their positions are relatively fixed. Then, the fixing ring 25 is used to fix the limiting post 24 and the connecting rod 23 to further stabilize the position of the two polygonal stirrups 1. After the installation of this split stirrup is completed, welding or binding is only required at the diagonal of the two polygonal stirrups 1. The entire construction process is simple and easy to implement, greatly saving construction time and labor costs, and significantly improving construction efficiency.
[0021] like Figures 1 to 4 As shown, the connecting rod 23 is inserted into the inside of the fixed sleeve 21 and contacts the limiting post 24. The limiting post 24 extends to the outside of the fixed sleeve 21 and the outer wall of the limiting post 24 is provided with a threaded groove. The inner wall of the threaded groove is threadedly connected to a fixing ring 25.
[0022] Using the above scheme: When the construction workers flexibly move one of the polygonal stirrups 1 according to the actual size of the steel-concrete column and the connecting plate, so that the distance between the two polygonal stirrups 1 is increased to a suitable size, the limiting column 24 can be rotated to make it tightly engage with the connecting rod 23. The threaded connection has a self-locking characteristic, which allows them to be firmly locked together after the distance between the two polygonal stirrups 1 is adjusted. After the stirrups are installed, welding or binding at the diagonal of the two polygonal stirrups 1 is a key measure to improve construction efficiency. The diagonal connection can achieve effective fixation of the entire polygonal stirrup 1 structure with the fewest connection points.
[0023] like Figures 1 to 4 As shown, the retaining ring 25 locks the limiting post 24 to the outside of the retaining sleeve 21. The end of the limiting post 24 near the connecting rod 23 is provided with a threaded extension block that is adapted to the threaded hole. The threaded extension block is rotatably connected to the inside of the threaded hole.
[0024] The above scheme is adopted: one end of the limiting post 24 is provided with a threaded extension block that matches the threaded hole, and the threaded extension block is installed in the threaded hole by means of rotational connection. The adjustment structure 2 is a powerful auxiliary point for the installation of the two polygonal stirrups 1 in the whole installation process. At the beginning of the installation, it is precisely because of the existence of the adjustment structure 2 that the installation position of the two polygonal stirrups 1 is accurately guaranteed. The construction personnel can quickly and accurately place the polygonal stirrups 1 in the predetermined position according to the positioning and guidance provided by the adjustment structure 2, avoiding possible positional deviations during the installation process, thereby effectively reducing the probability of rework and improving construction efficiency. After the two polygonal stirrups 1 have completed the initial positioning and adjusted the spacing through the adjustment structure 2, the stability of the entire structure can be further enhanced by welding or binding their diagonal parts.
[0025] The working principle of this utility model:
[0026] First, based on the actual size of the steel-concrete column and connecting plate, move one of the polygonal stirrups 1 to increase the distance between the two polygonal stirrups 1. During this process, insert the connecting rod 23 into the fixing sleeve 21 and make it contact the limiting post 24. Rotate the limiting post 24 so that the threaded extension block at one end of the limiting post 24 is tightly engaged with the threaded hole of the connecting rod 23. Utilize the self-locking characteristic of the threaded connection to firmly lock the two polygonal stirrups 1, ensuring that their positions are relatively fixed. Use the fixing ring 25 to lock the limiting post 24 outside the fixing sleeve 21 to further stabilize the position of the two polygonal stirrups 1. After the detachable stirrups are installed, weld or tie them at the diagonal of the two polygonal stirrups 1 to achieve effective fixation of the entire polygonal stirrup 1 structure with the fewest connection points, thereby enhancing the structural stability.
[0027] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.
[0028] 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 detachable, easily installable, polygonal stirrup structure for steel-concrete composite columns, characterized in that: It includes two polygonal stirrups (1) arranged in multiple groups and an adjustment structure (2) located between the two polygonal stirrups (1); The adjustment structure (2) includes a fixing sleeve (21) and a limiting sleeve (22) installed on both sides of the polygonal stirrup (1). The inner wall of the limiting sleeve (22) is threaded with a connecting rod (23). The end of the connecting rod (23) away from the limiting sleeve (22) has a threaded hole, and the inside of the threaded hole is threaded with a limit post (24).
2. The detachable stirrup structure of claim 1, wherein: The connecting rod (23) is inserted into the inside of the fixed sleeve (21) and contacts the limiting post (24).
3. The detachable stirrup structure of claim 2, wherein: The limiting post (24) extends to the outside of the fixing sleeve (21) and the outer wall of the limiting post (24) is provided with a threaded groove, and the inner wall of the threaded groove is threadedly connected to a fixing ring (25).
4. The detachable stirrup structure of claim 3, wherein: The retaining ring (25) locks the limiting post (24) to the outside of the retaining sleeve (21).
5. The detachable stirrup structure of claim 4, wherein: The limiting post (24) is provided with a threaded extension block adapted to the threaded hole at one end near the connecting rod (23), and the threaded extension block is rotatably connected to the inside of the threaded hole.