Composite formwork for concrete pouring

Abstract

The utility model discloses a composite formwork for concrete pouring, and aims to solve the problems that a formwork of a concrete structure is complex in assembly, low in installation efficiency and poor in concrete appearance. The composite formwork comprises a first formwork assembly and a second formwork assembly, the first formwork assembly is connected with the second formwork assembly, the first formwork assembly is located at the top of the second formwork assembly, and the side edge and the top edge of the first formwork assembly are arranged in an arc chamfering mode; the first formwork assembly comprises two sub-plates and two fixing parts, the two sub-plates are in butt joint to form a concrete pouring bin, and the two fixing parts are in butt joint and arranged on the outer sides of the two sub-plates in a sleeving mode. The formwork for concrete pouring is divided into the first formwork assembly and the second formwork assembly, layered installation of the formwork is more convenient, the daughter board is fixed through the two fixing parts, the appearance of a concrete structure is smoother, meanwhile, tedious operation of formwork installation and disassembly is reduced, and the construction efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to concrete pouring technical field especially relates to a composite formwork for concrete pouring. BACKGROUND

[0002] In the whole process of concrete pouring construction, the formwork plays a crucial role. In the traditional sense, the concrete formwork usually needs to be assembled on each different surface of the concrete structure to form a complete large formwork. Then, the large formwork of multiple surfaces needs to be fixed to each other to form a concrete pouring bin. In actual construction process, this way is extremely complex to operate, and the reinforcement work also faces many difficulties. Especially when the concrete structure has a certain height, the formwork installation and reinforcement are more difficult, and the construction efficiency is extremely low. Moreover, after pouring with this traditional formwork, the appearance quality of the concrete structure is often difficult to effectively control. SUMMARY

[0003] The utility model aims at providing a composite formwork for concrete pouring, which aims to solve the problems of complex formwork assembly, low installation efficiency and poor concrete appearance of the concrete structure.

[0004] To solve the above problems, the utility model provides a composite formwork for concrete pouring, which comprises a first formwork assembly and a second formwork assembly, the first formwork assembly is connected with the second formwork assembly, the first formwork assembly is located at the top of the second formwork assembly, and the side edge and the top edge of the first formwork assembly are provided with circular arc chamfers.

[0005] The first formwork assembly comprises two sub-plates and two fixed parts, the two sub-plates are butted to form a concrete pouring bin, and the two fixed parts are butted and sleeved on the outer sides of the two sub-plates.

[0006] Preferably, the sub-plate comprises a side plate part, a long plate part and a short plate part, one end of the side plate part is fixedly connected with one end of the long plate part, and the other end of the side plate part is fixedly connected with one end of the short plate part.

[0007] Preferably, the fixed part comprises a first fixed sub-part, a second fixed sub-part and a third fixed sub-part, the first fixed sub-part is located above the second fixed sub-part, the second fixed sub-part is located above the third fixed sub-part, and the distance between the first fixed sub-part and the second fixed sub-part is greater than the distance between the second fixed sub-part and the third fixed sub-part.

[0008] Preferably, the composite formwork further comprises a first connecting bolt, the third fixed sub part is provided with a folded edge, a first connecting hole is formed on the folded edge, the first connecting bolt is matched with the first connecting hole, and the second formwork assembly is connected with the third fixed sub part through the first connecting bolt.

[0009] Preferably, the top of the second formwork assembly is provided with a connecting part, and the top surface of the connecting part is in abutment with the bottom surface of the folded edge.

[0010] Preferably, the composite formwork further comprises a sealing strip, the sealing strip is in abutment with the bottom of the first formwork assembly and the top of the second formwork assembly.

[0011] Preferably, the fixed part further comprises a second connecting bolt, the fixed part and the sub plate are corresponding in structure, the fixed part is provided with a second connecting hole at the abutment position, the second connecting bolt is matched with the second connecting hole, and the fixed part is connected through the second connecting bolt.

[0012] Preferably, the composite formwork further comprises a support assembly, the outer side of the fixed part is located in the same plane as the outer side of the second formwork assembly, the fixed part is in abutment with the support assembly, and the second formwork assembly is in abutment with the support assembly.

[0013] Preferably, the support assembly comprises a horizontal support frame and a vertical support frame, the horizontal support frame is arranged on the outer side of the vertical support frame, the vertical support frame is in abutment with the fixed part, and the vertical support frame is in abutment with the second formwork assembly.

[0014] Preferably, the first formwork assembly is a steel formwork, and the second formwork assembly is a wooden formwork.

[0015] Through such an arrangement, the formwork for pouring concrete is divided into a first formwork assembly and a second formwork assembly, which is more convenient for layered installation of the formwork. The side edge and the top edge of the first formwork assembly are arranged in a circular arc chamfer structure, which is helpful for forming relatively regular corners during pouring of concrete, reduces the workload of post-processing, and at the same time, the circular arc chamfer is helpful for reducing stress concentration, ensuring the appearance and strength after pouring of concrete. In addition, the first formwork assembly has two sub plates spliced, and the sub plates are fixed through two fixed parts. Compared with the traditional splicing mode of multiple small formworks, the two integrated sub plates reduce the splicing times, make the appearance of the concrete structure more flat, and at the same time, reduce the cumbersome operation of formwork installation and disassembly, and improve the construction efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 is a schematic diagram of the overall structure of the composite formwork according to an embodiment of the present application;

[0017] Figure 2is a first template assembly structure schematic view according to an embodiment of the present application.

[0018] Reference signs:

[0019] 1, first template assembly; 11, sub-plate; 111, side plate part; 112, long plate part; 113, short plate part; 12, fixed part; 12a, second connecting hole; 121, first fixed sub-part; 122, second fixed sub-part; 123, third fixed sub-part; 1231, folded edge; 1231a, first connecting hole; 124, second connecting bolt;

[0020] 2, second template assembly; 21, connecting part;

[0021] 3, first connecting bolt;

[0022] 4, sealing strip;

[0023] 5, support assembly; 51, horizontal support frame; 52, vertical support frame. DETAILED DESCRIPTION

[0024] In order to make the purpose, technical scheme and advantages of the present application more clear and obvious, the present application is further described in detail below in combination with specific embodiments and with reference to the drawings. It should be understood that these descriptions are only exemplary and are not intended to limit the scope of the present application. In addition, in the following description, the description of known structures and technologies is omitted to avoid unnecessary confusion of the concept of the present application.

[0025] In the drawings, a layer structure schematic view according to an embodiment of the present application is shown. These drawings are not drawn to scale, in which certain details are exaggerated for the purpose of clarity and certain details can be omitted. The shapes of various regions, layers shown in the drawings and their relative sizes, positional relationships are only exemplary, and in actuality, there can be deviations due to manufacturing tolerances or technical limitations, and a person skilled in the art can additionally design regions / layers with different shapes, sizes, relative positions according to actual needs.

[0026] In combination with Figure 1 and Figure 2The utility model provides a kind of composite formwork for concrete pouring, including first formwork component 1 and second formwork component 2, first formwork component 1 is connected with second formwork component 2, first formwork component 1 is located at the top of second formwork component 2, and the side edge and top edge of first formwork component 1 are set as circular arc chamfer;First formwork component 1 includes two sub-plates 11 and two fixed parts 12, two sub-plates 11 butt joint form concrete pouring bin, and two fixed parts 12 butt joint and are set on the outside of two sub-plates 11.Through such setting, the formwork of concrete pouring is divided into first formwork component 1 and second formwork component 2, more convenient for formwork layered installation.The side edge and top edge of first formwork component 1 are set as circular arc chamfer structure, which helps to form relatively regular corner when pouring concrete, reduces the workload of later processing, and at the same time, circular arc chamfer helps to reduce stress concentration, to ensure the appearance and strength after pouring concrete.In addition, first formwork component 1 has two sub-plates 11 splicing, and the sub-plate 11 is fixed by two fixed parts 12, compared with the splicing mode of traditional multiple small formworks, two integral sub-plates 11 reduce splicing times, so that the appearance of concrete structure is more flat, and at the same time, it reduces the cumbersome operation of formwork installation and disassembly, improves construction efficiency.

[0027] It should be noted that the specific structure of the first formwork component 1 is not limited here, and the first formwork component 1 can be set according to the concrete structure to be poured, and the concrete pouring bin can be formed by butt joint of two sub-plates 11.In the preferred case, the sub-plate 11 includes a side plate part 111, a long plate part 112 and a short plate part 113, one end of the side plate part 111 is fixedly connected with one end of the long plate part 112, and the other end of the side plate part 111 is fixedly connected with one end of the short plate part 113.The sub-plate 11 is butt jointed to form a pouring bin, which is extremely convenient, easy to assemble and disassemble.Specifically, the two sub-plates 11 can jointly constitute a concrete pouring bin, which can significantly reduce the gap generated during formwork splicing.The reduction of gap can effectively improve the appearance quality of concrete, making it more beautiful and regular.At the same time, the first formwork component 1 is provided with two sub-plates 11, which has many advantages in actual application.For example, when maintenance or replacement is needed, only part of the sub-plate 11 needs to be handled, without the need for large-scale operation of the entire formwork component, which can greatly reduce costs, improve construction efficiency and economic benefits.In addition, the long plate part 112 and the short plate part 113 are provided, which can stagger the butt joint position of the two sub-plates 11, improve the integrity of the first formwork component 1, and further ensure the stability of the first formwork component 1 during pouring.

[0028] The specific structure of the second formwork component 2 is not limited here, which can support the first formwork component 1 and form a concrete pouring bin to realize pouring of concrete in the second formwork component 2.

[0029] In the preferred case, the fixing part 12 comprises a first fixing sub-part 121, a second fixing sub-part 122 and a third fixing sub-part 123, the first fixing sub-part 121 is located above the second fixing sub-part 122, the second fixing sub-part 122 is located above the third fixing sub-part 123, and the distance between the first fixing sub-part 121 and the second fixing sub-part 122 is greater than the distance between the second fixing sub-part 122 and the third fixing sub-part 123. After the butt joint of the two sub-plates 11 is completed, the first fixing sub-part 121, the second fixing sub-part 122 and the third fixing sub-part 123 are fixed, which enhances the fixing effect of the sub-plate 11 and ensures the stability of the first formwork assembly 1 during the concrete pouring process. The distance between the first fixing sub-part 121 and the second fixing sub-part 122 is greater than the distance between the second fixing sub-part 122 and the third fixing sub-part 123, considering the stress condition of the formwork during the concrete pouring process, the formwork near the bottom receives greater pressure from the concrete, and through such arrangement, the connection strength of the bottom of the first formwork assembly 1 can be ensured, and the stability of the first formwork assembly 1 can be improved.

[0030] It should be noted that the specific distance between the second fixing sub-part 122 and the third fixing sub-part 123 is not limited here, and in an optional case, the second fixing sub-part 122 can also abut against the third fixing sub-part 123. The specific structure of the first fixing sub-part 121, the second fixing sub-part 122 and the third fixing sub-part 123 is not limited here, and in an optional case, the first fixing sub-part 121, the second fixing sub-part 122 and the third fixing sub-part 123 are adapted to the structure of the sub-plate 11, and the first fixing sub-part 121, the second fixing sub-part 122 and the third fixing sub-part 123 are all spliced and fitted outside the sub-plate 11. Further, the first fixing sub-part 121, the second fixing sub-part 122 and the third fixing sub-part 123 are all provided with rib plates, which are perpendicular to the sub-plate 11, which can further ensure the strength of the first fixing sub-part 121, the second fixing sub-part 122 and the third fixing sub-part 123, and avoid deformation during concrete pouring, formwork installation and removal and transportation.

[0031] In the preferred case, the first formwork assembly 1 and the second formwork assembly 2 are connected by a first connecting bolt. Specifically, the third fixing sub-part 123 is provided with a folded edge 1231, the first connecting hole 1231a is formed on the folded edge 1231, the first connecting bolt is adapted to the first connecting hole 1231a, and the second formwork assembly 2 is connected to the third fixing sub-part 123 by the first connecting bolt. The bolt connection has many advantages. On the one hand, this connection method is very convenient to install and disassemble, which can greatly improve the construction efficiency. On the other hand, the design of the folded edge 1231 can effectively increase the stability of the connection, so that the formwork can be firmly fixed in place during pouring, and displacement does not occur, thereby ensuring the quality and safety of the construction.

[0032] The specific connection mode of the second template assembly 2 and the third fixed sub-portion 123 is not limited here. In a preferred case, the top of the second template assembly 2 is provided with a connecting portion 21, and the top surface of the connecting portion 21 is in abutment with the bottom surface of the folded edge 1231. By providing the connecting portion 21, the structural size of the top of the second template assembly 2 can be expanded, and the connection strength can be ensured. At the same time, the design of the connecting portion 21 can further enhance the connection tightness between the first template assembly 1 and the second template assembly 2, and prevent slurry leakage. Further, a sealing strip 4 is arranged between the first template assembly 1 and the second template assembly 2. Specifically, the sealing strip 4 is arranged at and in abutment with the bottom of the first template assembly 1, and is in abutment with the top of the second template assembly 2. The sealing strip 4 can prevent concrete from leaking out of the template gap during pouring, ensure the pouring quality, and reduce the cleaning workload and template wear and tear.

[0033] In combination Figure 2 In an embodiment, the fixed portion 12 is connected by bolts. The structure of the fixed portion 12 corresponds to that of the sub-plate 11. The fixed portion 12 is provided with a second connecting hole 12a at the joint, and a second connecting bolt 124 is matched with the second connecting hole 12a. The two fixed portions 12 are connected by the second connecting bolt 124. For example, the first fixed sub-portion 121 is split into two parts, which are matched with the outer contour of the sub-plate 11. The second connecting hole 12a is arranged at the joint of the two parts. The second connecting bolt 124 passes through the second connecting hole 12a, thereby realizing the joint fixing of the first fixed sub-portion 121. The second fixed sub-portion 122 and the third fixed sub-portion 123 are fixed in a similar way. The bolt connection mode is convenient for assembly and disassembly, ensures the connection between the fixed portions 12, and maintains the stability of the overall structure of the template.

[0034] In combination Figure 1 In a preferred case, the composite template further comprises a supporting assembly 5. The outer side of the fixed portion 12 is located in the same plane as the outer side of the second template assembly 2. The fixed portion 12 is in abutment with the supporting assembly 5, and the second template assembly 2 is in abutment with the supporting assembly 5. The outer side of the fixed portion 12 is carefully arranged at a position in the same plane as the outer side of the second template assembly 2, so as to effectively ensure that the supporting assembly 5 can play a good supporting effect. By arranging the supporting assembly 5, the overall performance of the first template assembly 1 and the second template assembly 2 can be further significantly improved. Such arrangement can greatly enhance the stability of the template during pouring, effectively preventing the template from deforming or shifting under the pressure of the concrete.

[0035] The specific fixing manner of the supporting assembly is not limited here, and can be a commonly used scissors brace or an inclined brace, etc. In a preferred case, the supporting assembly 5 comprises a horizontal supporting frame 51 and a vertical supporting frame 52, the horizontal supporting frame 51 is arranged outside the vertical supporting frame 52, the vertical supporting frame 52 is in abutment with the fixed part 12, and the vertical supporting frame 52 is in abutment with the second formwork assembly 2. The ingenious combination of the horizontal and vertical supporting frames 52 can play an important role in multiple dimensions. Such a combination can actually provide strong supporting force from different directions such as horizontal and vertical directions. In this way, the composite formwork can well adapt to the pressure exerted by the concrete from different directions, thereby effectively ensuring that the formwork always maintains high stability. Moreover, such a combination form is more conducive to the smooth installation and fixing of the supporting assembly 5 in actual application, thereby providing protection for the smooth progress of the project. The specific fixing manner of the supporting assembly is not limited here, and can be achieved by arranging a tension-limiting structure to fix the horizontal supporting frame 51 and the vertical supporting frame 52. That is, a pull rod is arranged to pass through the second formwork assembly 2, threads are arranged at both ends of the pull rod, a screw cap is arranged in cooperation with the threads, a baffle is arranged on the inner side of the screw cap, the pull rod passes through the baffle, the baffle is fastened by the screw cap, and the baffle extrudes the horizontal supporting frame 51 or the vertical supporting frame 52, thereby achieving the fixing of the supporting assembly 5.

[0036] In a preferred case, the first formwork assembly 1 is a steel formwork, and the second formwork assembly 2 is a wooden formwork. In some concrete foundation structures, the lower half of the concrete foundation is usually backfilled or located below the surface of the overall structure, and the appearance requirement is not high, and the wooden formwork can meet the concrete pouring while saving costs. For the upper half of the concrete foundation with high appearance requirements, the steel formwork is spliced to ensure the appearance quality of the concrete, facilitate the installation of the formwork, and improve the work efficiency.

[0037] It should be understood that the above specific embodiments of the utility model are only used for illustrative or explanatory purposes of the principles of the utility model, and do not constitute a limitation on the utility model. Therefore, any modification, equivalent replacement, improvement, etc. made without departing from the spirit and scope of the utility model shall be included in the protection scope of the utility model. In addition, the appended claims of the utility model are intended to cover all changes and modifications falling within the scope and boundary of the appended claims, or the equivalent forms of such scope and boundary.

Claims

1. A composite formwork for concrete placement, characterized by, The composite formwork comprises a first formwork component (1) and a second formwork component (2), the first formwork component (1) is connected with the second formwork component (2), the first formwork component (1) is located on top of the second formwork component (2), and side edges and top edges of the first formwork component (1) are provided with arc chamfers; The first formwork component (1) comprises two sub-plates (11) and two fixing parts (12), the two sub-plates (11) are butted to form a concrete pouring bin, and the two fixing parts (12) are butted and sleeved on the outer sides of the two sub-plates (11).

2. The composite template of claim 1, wherein, The sub-plate (11) comprises a side plate part (111), a long plate part (112) and a short plate part (113), one end of the side plate part (111) is fixedly connected with one end of the long plate part (112), and the other end of the side plate part (111) is fixedly connected with one end of the short plate part (113).

3. The composite template of claim 2, wherein, The fixing part (12) comprises a first fixing sub-part (121), a second fixing sub-part (122) and a third fixing sub-part (123), the first fixing sub-part (121) is located above the second fixing sub-part (122), the second fixing sub-part (122) is located above the third fixing sub-part (123), and the distance between the first fixing sub-part (121) and the second fixing sub-part (122) is greater than the distance between the second fixing sub-part (122) and the third fixing sub-part (123).

4. The composite template of claim 3, wherein, The composite formwork further comprises a first connecting bolt (3), the third fixing sub-part (123) is provided with a folded edge (1231), the folded edge (1231) is formed with a first connecting hole (1231a), the first connecting bolt (3) is matched with the first connecting hole (1231a), and the second formwork component (2) is connected with the third fixing sub-part (123) through the first connecting bolt (3).

5. The composite template of claim 4, wherein, The second formwork component (2) is provided with a connecting part (21) on the top, and the top surface of the connecting part (21) abuts against the bottom surface of the folded edge (1231).

6. The composite template of claim 5, wherein, The composite formwork further comprises a sealing strip (4), the sealing strip (4) abuts against the bottom of the first formwork component (1) and the top of the second formwork component (2).

7. The composite template of claim 2, wherein, The fixing part (12) further comprises a second connecting bolt (124), the fixing part and the sub-plate are corresponding in structure, the fixing part (12) is provided with a second connecting hole (12a) at the butt joint, and the second connecting bolt (124) is matched with the second connecting hole (12a), so that the fixing part (12) is connected through the second connecting bolt (124).

8. The composite template of claim 1, wherein, The composite formwork further comprises a supporting assembly (5), the outer side of the fixing part (12) is located in the same plane as the outer side of the second formwork component (2), the fixing part (12) abuts against the supporting assembly (5), and the second formwork component (2) abuts against the supporting assembly (5).

9. The composite template of claim 8, wherein, The support assembly (5) comprises a transverse support frame (51) and a vertical support frame (52), the transverse support frame (51) is arranged outside the vertical support frame (52), the vertical support frame (52) is in abutment with the fixed part (12), and the vertical support frame (52) is in abutment with the second formwork assembly (2).

10. The composite template of claim 1, wherein, The first formwork assembly (1) is a steel formwork, and the second formwork assembly (2) is a wooden formwork.

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