Modular assembly concrete column form

Abstract

The utility model discloses a modularization combined concrete column pouring form, including several protective components of up and down distribution, and protective component includes the combined board of central symmetry distribution, and the combined board is L -shaped, and protective component still includes the clamping block no.

Description

Technical Field

[0001] This utility model relates to the field of building construction tools, specifically a modular combined concrete column casting template. Background Technology

[0002] In the field of building construction, concrete columns are important load-bearing structures, and their forming quality and construction efficiency directly affect the overall project quality. Column formwork, as a key tool for concrete column casting and forming, is mainly used to limit the concrete pouring range, ensure the accuracy of column shape and size, and withstand the lateral pressure during the concrete pouring process.

[0003] Traditional column formwork typically uses single-piece panel structures made of wood, steel, or composite materials. During use, these panels must be assembled on-site according to the column's design dimensions. Construction workers must surround multiple panels around the column's outline and then secure them with bolts, clips, and other connectors to ensure overall stability. However, the assembly and fixing process is cumbersome. Traditional formwork relies on manual alignment of each panel, and the tightness of the connectors must be strictly controlled. This not only consumes significant manpower and time but also increases the risk of grout leakage during concrete pouring due to insufficient assembly precision, affecting the column's forming quality. Disassembly is also difficult. After the concrete is poured and solidified, there is strong adhesion between the formwork and the concrete surface. Furthermore, traditional formwork often uses rigid connections, requiring pry bars or other tools for forced separation during disassembly. This is not only labor-intensive but also prone to damaging the formwork's edges and corners, reducing its reusability. Finally, traditional formwork is ill-suited for complex column outlines. For concrete columns with special cross-sectional shapes (such as polygons), traditional formwork requires on-site cutting and assembly, which not only makes it difficult to guarantee processing accuracy but also further reduces construction efficiency. Utility Model Content

[0004] The purpose of this utility model is to provide a modular combined concrete column casting formwork, which has the advantages of flexible modular combination, convenient splicing and disassembly, and high reusability. It solves the problems of cumbersome splicing and fixing, difficult disassembly, poor flexibility and versatility, and low reusability of traditional column formwork in the prior art.

[0005] To achieve the above objectives, this utility model provides the following technical solution: A modular composite concrete column casting formwork includes several protective components distributed vertically. Each protective component includes centrally symmetrically distributed L-shaped composite plates. Each protective component also includes a locking block fixed to one end of the composite plate and a locking groove fixed to the other end of the composite plate. The locking block matches the locking groove of an adjacent composite plate. The two ends of the symmetrical composite plates are connected to form a square protective frame. Four symmetrically distributed reinforcing components are installed on the outer wall of the protective components. Each reinforcing component includes reinforcing ribs fixed to the outer wall of the composite plates, and a fixing frame is installed on the outer wall of the reinforcing ribs. The upper and lower ends of the protective components are equipped with… There is a connecting component, and the protective components are connected vertically through the connecting component. The connecting component includes a connecting frame one fixed to the upper end of the combined plate and a connecting frame two fixed to the lower end of the combined plate. The upper end of the connecting frame one has a sealing groove, and the lower end of the connecting frame two has a sealing block fixedly connected to it. The sealing block is embedded in the sealing groove below the adjacent combined plate. The connecting component also includes several connecting blocks hinged to the outer wall of the connecting frame one. The connecting blocks are evenly distributed among them. Several fixing blocks are fixed to the outer wall of the connecting frame two. The fixing blocks correspond one-to-one with the connecting blocks. One end of the connecting block is installed on the fixing block below the adjacent combined plate.

[0006] Preferably, the outer wall of the bottommost protective component is fitted with a base, which is fixed to the outer edge of the composite panel.

[0007] It is worth noting that the base can support and fix the protective components, ensuring the stability of the installation.

[0008] Preferably, the reinforcing component also includes several slots opened on the outer wall of the reinforcing rib and distributed vertically, with a fixing frame provided in the slot. The fixing frames of the symmetrical combination plate are centrally symmetrically distributed, and the outer wall of the fixing frame fits the inner wall of the slot.

[0009] It is worth noting that the slot can limit the positioning of the fixing frame. By connecting two fixing frames together, they can be fitted onto the outer wall of the reinforcing rib, thereby further fixing the combined plate and preventing the combined plate from separating during operation, which would lead to poor stability of the protective components.

[0010] Preferably, each end of the fixed frame is fixed with a combination block, and the outer wall of the combination block is provided with a hole. The combination blocks at both ends of the two fixed frames correspond to each other, and the holes on them correspond one-to-one. The outer wall of the combination block is provided with a fixing bolt. The end of the fixing bolt passes through the corresponding hole and is fixed to the outer wall of the combination block. The two fixed frames are connected to each other through the fixing bolt.

[0011] It is worth noting that the fixing frame can be fixed by fixing bolts, so that the fixing frame forms a square frame that fits on the outer wall of the reinforcing rib, which improves the firmness of the splicing of the composite panel and makes it easy to disassemble and separate the fixing frame after the pouring is completed, which facilitates the disassembly and separation of the protective components.

[0012] Preferably, a fixing hole 1 is provided through the outer wall of the connecting block, and a fixing hole 2 is provided through the outer wall of the fixing block. A fixing bolt 2 is provided on the inner wall of the fixing hole 1, and the end of the fixing bolt 2 passes through the fixing hole 1 and the fixing hole 2 and is fixed to the outer wall of the fixing block.

[0013] It is worth noting that by passing the fixing bolt through both fixing hole one and fixing hole two, the fixing block and the connecting block can be connected and fixed. This allows the adjacent connecting frame one and connecting frame two to be connected and fixed, thus connecting and fixing the upper and lower protective components. As needed, an appropriate number of protective components can be installed and stacked to achieve the appropriate height for the column formwork.

[0014] Preferably, the inner wall of the protective component is equipped with an adjustment component. The adjustment component includes a splicing block fixed to the corner of the combined plate. The outer wall of the splicing block is provided with a second slot. The adjustment component also includes a support frame. A locking block is fixed to one end of the support frame near the splicing block. The locking block is adapted to the second slot on the corresponding splicing block.

[0015] It is worth noting that the slots on the splicing blocks can be used with the locking blocks to fix the support frame to the inner wall of the combined plate. This allows for the selection and installation of appropriate adjustment components to divide the internal space of the protective components as needed.

[0016] Preferably, a partition is fixed to one end of the support frame that is close to the other, and the two ends of the partition are attached to the inner wall of the combined plate. The upper end of the partition in the lower protective component is attached to the lower end of the partition in the upper protective component.

[0017] It is worth noting that the internal space of the protective components can be divided by the partitions, thereby changing the cross-sectional shape of the cavity inside the composite panel, so that concrete columns of special shapes can be cast. The upper and lower partitions fit together to prevent concrete from flowing into the support frame from the gaps.

[0018] Preferably, the upper end of the support frame is provided with a splicing groove, and the lower end of the support frame is fixedly connected with a splicing pin. The splicing pin in the upper protective component is inserted into the splicing groove in the lower protective component.

[0019] It is worth noting that the splicing groove and splicing pin can connect adjacent upper and lower support frames, further improving the fit between the upper and lower partitions and preventing concrete from flowing into the support frame, which would cause the support frame to be fixed and difficult to disassemble.

[0020] Compared with the prior art, the beneficial effects of this utility model are as follows: Modular and quick assembly / disassembly: The L-shaped combination panels are used for quick horizontal assembly and disassembly via a locking block and a slot. The upper and lower templates are connected by a unique connecting component. The hinged connecting block and the fixing block work together to achieve quick locking and releasing, similar to a "hook and switch". Compared with traditional bolt connections, the assembly and disassembly efficiency is significantly improved and the labor intensity is reduced.

[0021] Excellent sealing and grout leakage prevention: The embedded cooperation between the sealing blocks and sealing grooves set at the joints of the upper and lower formwork forms an effective physical sealing barrier, which can significantly prevent cement grout from leaking from the horizontal joints during the pouring process, ensuring the forming quality of the concrete column, and also avoiding the problem of the formwork being difficult to disassemble due to the solidification of the grout.

[0022] A robust and adjustable reinforcement system: The reinforcing ribs and the detachable fixing frame combine to form an external reinforcement framework. The fixing frame is connected by assembly blocks and fixing bolts, ensuring a secure installation and effectively resisting the lateral pressure of concrete. At the same time, this reinforcement method facilitates segmented installation and disassembly, adapting to the needs of different pouring heights and offering good flexibility.

[0023] Flexible adaptability: The built-in detachable and adjustable components (support frame and partition) allow for changes in the cross-sectional shape inside the formwork, enabling the casting of non-standard cross-section concrete columns such as polygons, greatly improving the versatility of the formwork. The splicing pins and splicing grooves at the upper and lower ends of the support frame ensure the continuity and verticality of the partitions inside the multi-layer formwork, further guaranteeing the casting quality of irregularly shaped columns.

[0024] High reusability: All components of this invention are detachable, with no welding or permanent deformation or damage. After construction, it can be easily and completely disassembled into individual components, cleaned, and reused in other projects, effectively reducing construction costs and conforming to the concept of green construction. Attached Figure Description

[0025] Figure 1 This is an isometric view of the overall structure of this utility model; Figure 2 This is a three-dimensional structural breakdown diagram of the present invention; Figure 3 This is a three-dimensional structural breakdown diagram of the protective component and the reinforcing component of this utility model; Figure 4 This is a three-dimensional structural disassembly diagram of the connecting component of this utility model; Figure 5 This is a three-dimensional structural diagram of the adjustment component of this utility model.

[0026] Reference numerals in the attached drawings: 101, Combination plate; 102, Locking block one; 103, Locking groove one; 104, Reinforcing rib; 105, Groove; 106, Fixing frame; 107, Combination block; 108, Hole; 109, Fixing bolt one; 2, Base; 301, Connecting frame one; 302, Sealing groove; 303, Connecting frame two; 304, Sealing block; 305, Connecting block; 306, Fixing hole one; 307, Fixing block; 308, Fixing hole two; 309, Fixing bolt two; 401, Support frame; 402, Partition plate; 403, Splicing block; 404, Locking groove two; 405, Splicing groove; 406, Splicing pin; 407, Locking block. Detailed Implementation

[0027] 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.

[0028] To address the problems of cumbersome splicing and fixing, difficult disassembly, poor flexibility and versatility, and low reusability of traditional column formwork in existing technologies, the following technical solution is proposed. Please refer to [link / reference]. Figures 1-5 ; A modular composite concrete column casting formwork includes several protective components distributed vertically. Each protective component includes centrally symmetrically distributed L-shaped composite plates 101. The protective components also include a locking block 102 fixed to one end of each composite plate 101 and a locking groove 103 fixed to the other end of each composite plate 101. The locking block 102 is adapted to the locking groove 103 of the adjacent composite plate 101. The two ends of the symmetrical composite plates 101 are connected to form a square protective frame. Four symmetrically distributed reinforcing components are installed on the outer wall of the protective components. Each reinforcing component includes a reinforcing rib 104 fixed to the outer wall of the composite plate 101. A fixing frame 106 is installed on the outer wall of the reinforcing rib 104. Connecting components are installed at the upper and lower ends of the protective components. The components are connected vertically via a connecting assembly. The connecting assembly includes a first connecting frame 301 fixed to the upper end of the combined plate 101 and a second connecting frame 303 fixed to the lower end of the combined plate 101. The upper end of the first connecting frame 301 has a sealing groove 302. The lower end of the second connecting frame 303 has a sealing block 304 fixedly connected to it. The sealing block 304 is embedded in the sealing groove 302 below the adjacent combined plate 101. The connecting assembly also includes several connecting blocks 305 hinged to the outer wall of the first connecting frame 301. The connecting blocks 305 are equidistant from each other. The outer wall of the second connecting frame 303 has several fixing blocks 307 fixedly connected to it. The fixing blocks 307 correspond one-to-one with the connecting blocks 305. One end of the connecting block 305 is installed on the fixing block 307 below the adjacent combined plate 101.

[0029] The combination of the locking block 102 and the locking groove 103 allows the composite panels 101 to be spliced ​​together to form a square protective frame. The reinforcing rib 104 can improve the strength of the composite panel 101 and prevent it from being deformed by the concrete during pouring. The fixing frame 106 can be fitted onto the outer wall of the reinforcing rib 104, thereby further improving the connection strength of the composite panel 101 and the stability of the protective components during pouring. The upper and lower protective components can be connected by the connecting components, so that the protective components can form a square column-shaped box. Thus, column templates of appropriate height can be spliced ​​according to the pouring needs. The sealing groove 302 and the sealing block 304 can improve the sealing between the connecting frame 1 301 and the connecting frame 2 303, preventing concrete from flowing out and solidifying from the gaps. This prevents the concrete from fixing the connecting components, which would make disassembly difficult. The connecting block 305 can be fixed on the fixing block 307, thereby improving the stability of the connection between the connecting frame 1 301 and the connecting frame 2 303, and thus improving the reliability of the connection between the protective components.

[0030] Please see Figure 2 and 3The outer wall of the bottommost protective component is fitted with a base 2, which is fixed to the outer edge of the combined plate 101. The base 2 supports and fixes the protective component, ensuring the stability of the protective component installation. The reinforcing component also includes several slots 105 opened on the outer wall of the reinforcing rib 104 and distributed vertically. The slots 105 are equipped with fixing frames 106. The fixing frames 106 of the symmetrical combined plate 101 are centrally symmetrically distributed, and the outer wall of the fixing frames 106 fits against the inner wall of the slots 105. The slots 105 can limit the fixing frames 106. By connecting two fixing frames 106 to each other, they can be fitted onto the outer wall of the reinforcing rib 104, thereby further fixing the combined plate 101 and preventing the combined plate 101 from separating during operation, which would lead to poor stability of the protective component.

[0031] Both ends of the fixed frame 106 are fixedly connected to the assembly block 107. The outer wall of the assembly block 107 is provided with holes 108. The assembly blocks 107 at both ends of the two fixed frames 106 correspond to each other, and the holes 108 on them correspond one-to-one. The outer wall of the assembly block 107 is provided with a fixing bolt 109. The end of the fixing bolt 109 passes through the corresponding hole 108 and is fixed to the outer wall of the assembly block 107. The two fixed frames 106 are connected to each other through the fixing bolt 109. The fixing frame 106 can be fixed by the fixing bolt 109, so that the fixed frame 106 forms a square frame and fits on the outer wall of the reinforcing rib 104, which improves the firmness of the splicing of the assembly plate 101 and facilitates the disassembly and separation of the fixed frame 106 after the pouring is completed, which facilitates the disassembly and separation of the protective components.

[0032] Please see Figure 4 The outer wall of the connecting block 305 has a through-hole 306, and the outer wall of the fixing block 307 has a through-hole 308. The inner wall of the first fixing hole 306 has a second fixing bolt 309. The end of the second fixing bolt 309 passes through the first fixing hole 306 and the second fixing hole 308 and is fixed to the outer wall of the fixing block 307. By having the second fixing bolt 309 pass through both the first fixing hole 306 and the second fixing hole 308, the fixing block 307 and the connecting block 305 can be connected and fixed. This allows the adjacent connecting frames 301 and 303 to be connected and fixed, thus connecting and fixing the upper and lower protective components. As needed, an appropriate number of protective components can be installed and stacked to achieve the appropriate height for the column formwork.

[0033] Please see Figure 5An adjustment component is installed on the inner wall of the protective component. The adjustment component includes a splicing block 403 fixed to the corner of the combined plate 101. The outer wall of the splicing block 403 has a second slot 404. The adjustment component also includes a support frame 401. A locking block 407 is fixed to one end of the support frame 401 near the splicing block 403. The locking block 407 is adapted to the second slot 404 on the corresponding splicing block 403. The second slot 404 on the splicing block 403 can cooperate with the locking block 407 to limit and fix the support frame 401 to the inner wall of the combined plate 101. Thus, a suitable adjustment component can be selected and installed as needed to divide the internal space of the protective component.

[0034] A partition plate 402 is fixed to one end of the support frame 401 that is close to the other. The two ends of the partition plate 402 are attached to the inner wall of the combined plate 101. The upper end of the partition plate 402 in the lower protective component is attached to the lower end of the partition plate 402 in the upper protective component. The partition plate 402 can divide the internal space of the protective component, thereby changing the cross-sectional shape of the cavity inside the combined plate 101, so that a concrete column of a special shape can be cast. The upper and lower partition plates 402 are attached to each other to prevent concrete from flowing into the support frame from the gaps. Inside 401; the upper end of the support frame 401 is provided with a splicing groove 405, and the lower end of the support frame 401 is fixedly connected with a splicing pin 406. The splicing pin 406 in the upper protective component is inserted into the splicing groove 405 in the lower protective component. The upper and lower adjacent support frames 401 can be connected by the splicing groove 405 and the splicing pin 406, which further improves the fit between the upper and lower partitions 402 and prevents concrete from flowing into the support frame 401, which would cause the support frame 401 to be fixed and inconvenient to disassemble.

[0035] Working principle: Basic support installation: First, fix the base 2 to the outer edge of the lowermost protective component's combined plate 101. The base 2 provides stable support and fixation for the protective component, preventing displacement of the protective component during subsequent splicing and pouring, thus laying the foundation for the overall column formwork construction. Take several L-shaped combined plates 101, and according to the column cross-section size, insert the locking block 102 at one end of each combined plate 101 into the locking groove 103 at the other end of the adjacent combined plate 101, so that the two ends of the centrally symmetrically distributed combined plates 101 are connected to each other, finally forming a closed square protective frame, thus forming the basic protective structure of the column formwork.

[0036] Reinforcement of protective components: The reinforcing ribs 104 fixed to the outer wall of the composite plate 101 first play a role, directly improving the structural strength of the composite plate 101 itself and preventing deformation of the composite plate 101 due to concrete compression during pouring; then, the fixing frame 106 is placed into the grooves 105 distributed on the upper and lower outer wall of the reinforcing rib 104, and the fixing frame 106 is limited by the grooves 105. At this time, the fixing frames 106 of the symmetrical composite plate 101 are centrally symmetrically distributed; align the composite blocks 107 at both ends of the two fixing frames 106 so that the holes 108 on the composite blocks 107 correspond one-to-one, and then pass the end of the fixing bolt 109 through the corresponding hole 108 and fix it to the outer wall of the composite block 107, so that the two fixing frames 106 are connected to each other to form a square frame, which is fitted on the outer wall of the reinforcing rib 104, further improving the firmness of the composite plate 101 splicing, preventing the composite plate 101 from separating during operation, and ensuring the stability of the protective components.

[0037] Internal space adjustment: If a concrete column with a special cross-sectional shape needs to be poured, the locking block 407 on the outer wall of the support frame 401 is embedded into the second locking groove 404 on the outer wall of the splicing block 403 at the corner of the composite plate 101, so that the support frame 401 is limited and fixed to the inner wall of the composite plate 101; the partition 402 fixed to one end of the support frame 401 unfolds accordingly, and the two ends of the partition 402 are attached to the inner wall of the composite plate 101, thereby dividing the internal space of the protective component and changing the cross-sectional shape of the cavity inside the composite plate 101; if the protective components are subsequently stacked, the splicing pin 406 at the lower end of the support frame 401 in the upper protective component needs to be inserted into the splicing groove 405 at the upper end of the support frame 401 in the lower protective component. Through the cooperation of the splicing groove 405 and the splicing pin 406, the fit between the upper and lower partitions 402 is improved, and concrete is prevented from flowing into the support frame 401 from the gap, making it difficult to disassemble.

[0038] Connection of upper and lower protective components: According to the height requirements of the poured column, take another set of assembled protective components and embed the sealing block 304 at the lower end of its connecting frame 2 303 (fixed to the lower end of the composite plate 101) into the sealing groove 302 at the upper end of the lower protective component connecting frame 1 301 (fixed to the upper end of the composite plate 101). Through the cooperation of the sealing groove 302 and the sealing block 304, the sealing performance between connecting frame 1 301 and connecting frame 2 303 is improved, preventing concrete from flowing out of the gaps. After solidification, fix the connecting components; rotate the lower protective component connecting frame 1 Connecting block 305 hinged to the outer wall of 301, so that one end of connecting block 305 fits against fixing block 307 on the outer wall of the upper protective component connecting frame 303; align fixing hole 306 on connecting block 305 with fixing hole 308 on fixing block 307, pass the end of fixing bolt 309 through fixing hole 306 and fixing hole 308 and fix it to the outer wall of fixing block 307 to achieve a stable connection between the upper and lower protective components; repeat this step to stack an appropriate number of protective components so that the column template reaches the required height and forms a complete square column box.

[0039] Disassembly after pouring: After the concrete is poured and solidified, first disassemble the reinforcing components: unscrew the fixing bolt 109, separate the combined block 107 of the two fixing frames 106, and remove the fixing frame 106 from the groove 105 of the reinforcing rib 104; then disassemble the connecting components: unscrew the fixing bolt 2 309, separate the connecting block 305 from the fixing block 307, and disassemble the upper and lower protective components; if the adjusting components are installed, remove the support frame 401 and partition 402 from the slot 2 404 of the splicing block 403; finally, separate the combined plate 101 of the protective components: remove the slot 1 102 of the adjacent combined plate 101 from the slot 1 103 to complete the disassembly of the entire column formwork so that the parts can be reused later.

[0040] This utility model allows the composite panels to be spliced ​​together using a locking block and a locking groove to form a square protective frame. Reinforcing ribs enhance the strength of the composite panels, preventing them from deforming under concrete pressure during pouring. A fixing frame can be fitted over the outer wall of the reinforcing ribs, further improving the connection strength of the composite panels and enhancing the stability of the protective components during pouring. Connecting components allow the upper and lower protective components to be connected, forming a square columnar box. This allows for the splicing of column templates of appropriate height according to pouring requirements. A sealing groove and sealing block improve the sealing between connecting frame one and connecting frame two, preventing concrete from flowing out and solidifying through gaps. This prevents the connecting components from becoming fixed by concrete, thus avoiding difficulties in disassembly. The connecting block can be fixed to the fixing block, improving the stability of the connection between connecting frame one and connecting frame two, and ultimately enhancing the reliability of the interconnection of the protective components.

[0041] 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.

[0042] 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.

Claims

1. A modular combined concrete column casting formwork, comprising several protective components distributed vertically, characterized in that, The protective component includes a centrally symmetrically distributed combination plate (101), which is L-shaped. The protective component also includes a locking block (102) fixed to one end of the combination plate (101) and a locking groove (103) fixed to the other end of the combination plate (101). The locking block (102) is adapted to the locking groove (103) of the adjacent combination plate (101). The two ends of the symmetrical combination plates (101) are connected to form a square protective frame. Four symmetrically distributed reinforcing components are installed on the outer wall of the protective component. The reinforcing components include reinforcing ribs (104) fixed to the outer wall of the combination plate (101). A fixing frame (106) is installed on the outer wall of the reinforcing ribs (104). Connecting components are installed at the upper and lower ends of the protective component. The protective components are connected vertically through the connecting components. The connecting components include a fixing frame (106). The first connecting frame (301) is attached to the upper end of the combined plate (101), and the second connecting frame (303) is fixed to the lower end of the combined plate (101). The upper end of the first connecting frame (301) is provided with a sealing groove (302), and the lower end of the second connecting frame (303) is fixed with a sealing block (304). The sealing block (304) is embedded in the sealing groove (302) below the adjacent combined plate (101). The connecting assembly also includes several connecting blocks (305) hinged to the outer wall of the first connecting frame (301). The connecting blocks (305) are evenly distributed. The outer wall of the second connecting frame (303) is fixed with several fixing blocks (307). The fixing blocks (307) correspond one-to-one with the connecting blocks (305). One end of the connecting block (305) is installed on the fixing block (307) below the adjacent combined plate (101).

2. The modular combined concrete column casting formwork according to claim 1, characterized in that, The outer wall of the bottom protective component is fitted with a base (2), which is fixed to the outer edge of the composite plate (101).

3. The modular combined concrete column casting formwork according to claim 1, characterized in that, The reinforcement component also includes several slots (105) that are opened on the outer wall of the reinforcing rib (104) and distributed vertically. A fixing frame (106) is provided in the slot (105). The fixing frames (106) of the symmetrical combination plate (101) are centrally symmetrically distributed, and the outer wall of the fixing frame (106) fits the inner wall of the slot (105).

4. The modular combined concrete column casting formwork according to claim 3, characterized in that, Both ends of the fixed frame (106) are fixed with a combination block (107). The outer wall of the combination block (107) is provided with a hole (108). The combination blocks (107) at both ends of the two fixed frames (106) correspond to each other, and the holes (108) on them correspond one to one. The outer wall of the combination block (107) is provided with a fixing bolt (109). The end of the fixing bolt (109) passes through the corresponding hole (108) and is fixed to the outer wall of the combination block (107). The two fixed frames (106) are connected to each other through the fixing bolt (109).

5. The modular combined concrete column casting formwork according to claim 1, characterized in that, The outer wall of the connecting block (305) is provided with a fixing hole 1 (306), and the outer wall of the fixing block (307) is provided with a fixing hole 2 (308). The inner wall of the fixing hole 1 (306) is provided with a fixing bolt 2 (309). The end of the fixing bolt 2 (309) passes through the fixing hole 1 (306) and the fixing hole 2 (308) and is fixed to the outer wall of the fixing block (307).

6. The modular combined concrete column casting formwork according to claim 1, characterized in that, An adjustment component is installed on the inner wall of the protective component. The adjustment component includes a splicing block (403) fixed to the corner of the combination plate (101). The outer wall of the splicing block (403) is provided with a second slot (404). The adjustment component also includes a support frame (401). A locking block (407) is fixed to one end of the support frame (401) near the splicing block (403). The locking block (407) is adapted to the second slot (404) on the corresponding splicing block (403).

7. The modular combined concrete column casting formwork according to claim 6, characterized in that, A partition (402) is fixed to one end of the support frame (401) that is close to each other. The two ends of the partition (402) are attached to the inner wall of the combined plate (101). The upper end of the partition (402) of the lower protective component is attached to the lower end of the partition (402) of the upper protective component.

8. The modular combined concrete column casting formwork according to claim 7, characterized in that, The upper end of the support frame (401) is provided with a splicing groove (405), and the lower end of the support frame (401) is fixed with a splicing pin (406). The splicing pin (406) in the upper protective component is inserted into the splicing groove (405) in the lower protective component.

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