Cavity system cylinder structure and manufacturing method thereof
By using fixed components in the cavities system cylinder structure to fix the prefabricated columns and the steel cage, the problem of the inability to prefabricate individual components in the prior art is solved, and a faster and more efficient production process is achieved.
Patent Information
- Application Number
- CN202510226157.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-27
- Publication Date
- 2025-04-18
AI Technical Summary
When the existing cavities system cylinder structure is made, the steel cage and cylinder structure cannot be prefabricated separately, resulting in a long component production cycle.
By using fixing components (outer fixing and inner fixing) between the prefabricated column and the steel cage, the prefabricated column and the steel cage are fixedly connected to the steel cage to form an independent prefabricated member, so as to complete the concrete molding and steel cage installation in the workshop in advance.
This greatly accelerates the output of prefabricated components, reduces the late waiting time, improves the production efficiency, and makes the production of the cylinder structure of the cavity system more modular.
Smart Images

Figure CN119843826A_ABST
Abstract
Description
Technical Field
[0001] The invention relates to a column structure, in particular to a cavity system column structure and a manufacturing method thereof. Background Art
[0002] The cavity (overlapping, formwork, etc.) column system is a building structure system that is mainly used for the manufacture and installation of prefabricated columns. Its core feature is the use of cavity components, which are prefabricated in the factory and then assembled on site, thereby reducing the complexity and time of on-site construction. The column structure of the cavity system is surrounded by prefabricated wall panels and a cavity in the middle with a steel cage. After the cavity system column structure is installed on the floor surface of the construction site, the column and the floor are formed into one piece by pouring concrete into the cavity, which improves stability while greatly shortening the construction time. When making the existing cavity system column structure, it is necessary to fix the steel cage and the column formwork, and then cast them as one. The steel cage and the column structure cannot be prefabricated separately, resulting in a long component production cycle. Summary of the invention
[0003] In view of this, the present invention provides a cavity system column structure and a manufacturing method thereof to solve the above technical problems.
[0004] The technical solution of the present invention is achieved in this way:
[0005] The present invention provides a cavity system column structure, comprising a prefabricated column with a cavity inside and a steel cage installed in the cavity, wherein the prefabricated column is connected to the steel cage via a fixing assembly, wherein the fixing assembly comprises an external fixing part and an internal fixing part, wherein the external fixing part is arranged on the inner wall of the prefabricated column, and the external fixing part is fixedly connected to the prefabricated column, and the internal fixing part is arranged on the outer wall of the steel cage, and the internal fixing part is fixedly connected to the steel cage, and the position of the internal fixing part corresponds to the position of the external fixing part, and the fixed connection between the prefabricated column and the steel cage is completed by connecting the external fixing part and the internal fixing part.
[0006] Preferably, the external fixing member and the internal fixing member are both "L"-shaped, the external fixing member is arranged at the inner corner of the prefabricated column, and the internal fixing member is arranged at the outer corner of the steel cage.
[0007] Preferably, a connecting shaft is provided on the inner side of the inner fixing member, and the inner fixing member is fixedly connected to the steel cage via the connecting shaft.
[0008] Preferably, the steel cage includes longitudinal bars arranged along a rectangle and stirrups fixed on the outside of the longitudinal bars, the connecting axis is in the same direction as the longitudinal bars, and the connecting axis is fixedly connected to the stirrups.
[0009] Preferably, the external fixing member is provided with a working groove, the outer wall of the prefabricated column is provided with a connecting groove communicated with the working groove, the outer side of the prefabricated column is communicated with the cavity through the connecting groove and the working groove, and after the external fixing member and the internal fixing member are aligned, the external fixing member and the internal fixing member are welded and fixed through the connecting groove and the working groove.
[0010] Preferably, the connection grooves and the external fixing members are evenly arranged along the height direction of the prefabricated column.
[0011] Preferably, the external fixing member is fixedly connected to the prefabricated column by being embedded.
[0012] A method for manufacturing a cavity system column structure,
[0013] S1: Build a prefabricated column formwork, embed the external fixings in the inner wall of the prefabricated column, reserve a connection groove on the outer wall of the prefabricated column, pour concrete to make the prefabricated column, and build a steel cage at the same time;
[0014] S2: After the reinforcement cage is erected, the internal fixing parts are welded and fixed to the outer wall of the reinforcement cage with the contact surface between the connecting shaft and the stirrup as the welding surface;
[0015] S3: After the prefabricated column is formed, the steel cage with the internal fixing parts is moved into the cavity of the prefabricated column, and the connecting groove and the working groove are observed to make the internal fixing parts and the external fixing parts contact and align one by one;
[0016] S4: Pass the welding tool through the connection groove and the working groove in sequence, weld and fix the outer wall of the inner fixing part and the inner wall of the outer fixing part, thereby realizing the fixed installation of the steel cage and the prefabricated column, and completing the production of the cavity system column structure.
[0017] Compared with the prior art, the present invention has the following beneficial effects:
[0018] The present invention provides a cavity system column structure and a manufacturing method thereof. The prefabricated column and the steel cage are two independent prefabricated components, which can be constructed and manufactured simultaneously and independently. The last step of waiting for concrete to be formed in the traditional process can be completed in advance in the workshop. Combined with the steel cage manufactured synchronously, the output of the prefabricated components is greatly accelerated, making the manufacturing of the cavity system column structure more modular, reducing the waiting time in the later stage and improving the manufacturing efficiency. BRIEF DESCRIPTION OF THE DRAWINGS
[0019] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only preferred embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.
[0020] Figure 1 It is a three-dimensional structural schematic diagram of the cavity system wall structure of the present invention;
[0021] Figure 2 It is a schematic diagram of the side structure of the cavity system wall structure of the present invention;
[0022] Figure 3 It is a schematic diagram of the three-dimensional structure of the steel cage of the present invention;
[0023] Figure 4 It is a schematic diagram of the side structure of the steel cage of the present invention;
[0024] Figure 5 An exploded view of the fixing assembly of the present invention;
[0025] Figure 6 It is a schematic diagram of the connection state of the fixing assembly of the present invention;
[0026] Figure 7 It is a schematic diagram of the three-dimensional structure of the prefabricated column of the present invention.
[0027] In the figure, 1, prefabricated column; 11, cavity; 12, connecting groove; 2, steel cage; 21, longitudinal ribs; 22, stirrups; 3, external fixings; 31, working groove; 4, internal fixings; 41, connecting shaft. DETAILED DESCRIPTION
[0028] In order to better understand the technical content of the present invention, specific embodiments are provided below, and the present invention is further described in conjunction with the accompanying drawings.
[0029] See also Figures 1 to 7 The present invention provides a cavity system column structure, including a prefabricated column 1 with a cavity 11 inside and a steel cage 2 installed in the cavity 11, the steel cage 2 can be arranged in a rectangular column shape, the prefabricated column 1 is connected to the steel cage 2 through a fixing assembly, the fixing assembly includes an external fixing member 3 and an internal fixing member 4, the external fixing member 3 is arranged on the inner wall of the prefabricated column 1, the external fixing member 3 is fixedly connected to the prefabricated column 1, the internal fixing member 4 is arranged on the outer wall of the steel cage 2, the internal fixing member 4 is fixedly connected to the steel cage 2, the position of the internal fixing member 4 corresponds to the position of the external fixing member 3, and the fixed connection between the prefabricated column 1 and the steel cage 2 is completed by connecting the external fixing member 3 and the internal fixing member 4.
[0030] The prefabricated column 1 and the steel cage 2 are divided into two independent prefabricated components, the external fixing part 3 is fixed to the inner wall of the prefabricated column 1, and the internal fixing part 4 is fixed to the outer wall of the steel cage 2. After the prefabricated column 1 and the steel cage 2 are prefabricated, the steel cage 2 is moved into the interior of the prefabricated column 1, so that the external fixing part 3 and the internal fixing part 4 are aligned one by one, and then the external fixing part 3 and the internal fixing part 4 are firmly fixed, so that the steel cage 2 and the prefabricated column 1 are fixedly connected, and the production of the cavity system column structure is completed.
[0031] Compared with the traditional process of first making the steel cage 2, then fixing the steel cage 2 to the column formwork, and finally pouring concrete, waiting for the concrete to solidify and form, and then obtaining the prefabricated column, the prefabricated column 1 and the steel cage 2 of the present invention are two independent prefabricated components, which can be constructed and manufactured simultaneously and independently. The last step of waiting for the concrete to form in the traditional process is completed in the workshop in advance. With the synchronously manufactured steel cage 2, the output of the prefabricated components is greatly accelerated, making the production of the cavity system column structure more modular, reducing the waiting time in the later stage, and improving the production efficiency.
[0032] The external fixing member 3 and the internal fixing member 4 are both "L"-shaped. The external fixing member 3 is arranged at the inner corner of the prefabricated column 1, and the internal fixing member 4 is arranged at the outer corner of the steel cage 2. The contact surface between the external fixing member 3 and the prefabricated column 1 and the internal fixing member 4 and the steel cage 2 is increased, thereby improving the fixing effect between each other and enhancing the structural stability.
[0033] A connecting shaft 41 is disposed on the inner side of the inner fixing member 4 , and the inner fixing member 4 is fixedly connected to the steel cage 2 via the connecting shaft 41 .
[0034] The steel cage 2 includes longitudinal ribs 21 arranged along a rectangle and stirrups 22 fixed outside the longitudinal ribs 21 . The connecting shaft 41 is in the same direction as the longitudinal ribs 21 . The connecting shaft 41 is fixedly connected to the stirrups 22 by welding.
[0035] The external fixing member 3 is provided with a working groove 31, and the outer wall of the prefabricated column 1 is provided with a connecting groove 12 communicated with the working groove 31. The outer side of the prefabricated column 1 is communicated with the cavity 11 through the connecting groove 12 and the working groove 31. After the external fixing member 3 and the internal fixing member 4 are aligned and contacted, the external fixing member 3 and the internal fixing member 4 are welded and fixed through the connecting groove 12 and the working groove 31 using a welding tool.
[0036] The connection grooves 12 and the external fixing members 3 are evenly arranged along the height direction of the prefabricated column 1, thereby increasing the welding points between the prefabricated column 1 and the steel cage 2 and further improving the fixing effect.
[0037] The external fixing member 3 is fixedly connected to the prefabricated column 1 by pre-embedding to form an integral structure, thereby better improving the firmness of the external fixing member 3 and the prefabricated column 1 .
[0038] A method for manufacturing a cavity system column structure,
[0039] S1: Build a template for the prefabricated column 1, embed the external fixing member 3 in the inner wall of the prefabricated column 1, reserve a connection groove 12 on the outer wall of the prefabricated column 1, pour concrete to make the prefabricated column 1, and build the steel cage 2 at the same time;
[0040] S2: After the reinforcement cage 2 is erected, the inner fixing member 4 is welded and fixed to the outer wall of the reinforcement cage 2 using the contact surface between the connecting shaft 41 and the stirrup 22 as the welding surface;
[0041] S3: After the prefabricated column 1 is formed, the steel cage 2 with the inner fixing member 4 is moved into the cavity 11 of the prefabricated column 1, and the connecting groove 12 and the working groove 31 are observed to make the inner fixing member 4 and the outer fixing member 3 contact and align one to one;
[0042] S4: Pass the welding tool through the connecting groove 12 and the working groove 31 in sequence, weld and fix the outer wall of the inner fixing member 4 and the inner wall of the outer fixing member 3, so as to realize the fixed installation of the steel cage 2 and the prefabricated column 1, and complete the production of the cavity system column structure.
[0043] In addition, when pouring concrete, grids or meshes made of materials such as basalt can be added to prevent cracking on the surface of the formed column and to prevent rust on the surface of the column later.
[0044] It should be noted that the cavity system mentioned in the present application includes cavity systems such as a composite column system and a formwork column system.
[0045] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims
1. A cavity system column structure, comprising a prefabricated column with a cavity inside and a steel cage installed in the cavity, characterized in that: The prefabricated column is connected to the steel cage through a fixing assembly, and the fixing assembly includes an external fixing part and an internal fixing part. The external fixing part is arranged on the inner wall of the prefabricated column, and the external fixing part is fixedly connected to the prefabricated column. The internal fixing part is arranged on the outer wall of the steel cage, and the internal fixing part is fixedly connected to the steel cage. The position of the internal fixing part corresponds to the position of the external fixing part. The fixed connection between the prefabricated column and the steel cage is completed by connecting the external fixing part and the internal fixing part.
2. A cavity system column structure according to claim 1, characterized in that: The external fixing member and the internal fixing member are both "L"-shaped, the external fixing member is arranged at the inner corner of the prefabricated column, and the internal fixing member is arranged at the outer corner of the steel cage.
3. The hollow column structure according to claim 1, characterized in that: A connecting shaft is provided on the inner side of the inner fixing member, and the inner fixing member is fixedly connected to the steel cage via the connecting shaft.
4. The hollow column structure according to claim 3, characterized in that: The steel cage includes longitudinal bars arranged along a rectangle and stirrups fixed on the outside of the longitudinal bars. The connecting axis is in the same direction as the longitudinal bars, and the connecting axis is fixedly connected to the stirrups.
5. The hollow column structure according to claim 1, characterized in that: The external fixing member is provided with a working groove, and the outer wall of the prefabricated column is provided with a connecting groove communicated with the working groove. The outer side of the prefabricated column is communicated with the cavity through the connecting groove and the working groove. After the external fixing member and the internal fixing member are aligned, the external fixing member and the internal fixing member are welded and fixed through the connecting groove and the working groove.
6. The hollow column structure according to claim 1, characterized in that: The connection grooves and the external fixing members are evenly arranged along the height direction of the prefabricated column.
7. The hollow column structure according to claim 1, characterized in that: The external fixing member is fixedly connected to the prefabricated column in a pre-embedded manner.
8. A method for manufacturing a cavity system column structure, characterized in that: S1: Build a prefabricated column formwork, embed the external fixings in the inner wall of the prefabricated column, reserve a connection groove on the outer wall of the prefabricated column, pour concrete to make the prefabricated column, and build a steel cage at the same time; S2: After the reinforcement cage is erected, the internal fixing parts are welded and fixed to the outer wall of the reinforcement cage with the contact surface between the connecting shaft and the stirrup as the welding surface; S3: After the prefabricated column is formed, the steel cage with the internal fixing parts is moved into the cavity of the prefabricated column, and the connecting groove and the working groove are observed to make the internal fixing parts and the external fixing parts contact and align one by one; S4: Pass the welding tool through the connection groove and the working groove in sequence, weld and fix the outer wall of the inner fixing part and the inner wall of the outer fixing part, thereby realizing the fixed installation of the steel cage and the prefabricated column, and completing the production of the cavity system column structure.