Floor support-free floor pouring formwork structure

By installing a non-ground support floor slab casting formwork structure on the top of the building columns, the problem of inconvenient material passage under the formwork is solved, and construction efficiency is improved, especially for buildings with larger floor heights.

CN120797962APending Publication Date: 2025-10-17CHONGQING SHANGYUAN ARCHITECTURAL LANDSCAPE DESIGN CO LTD
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Patent Information

Application Number
CN202511102450.6
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-08-07
Publication Date
2025-10-17

AI Technical Summary

Technical Problem

During cast-in-place floor construction, the space below the formwork is not convenient for the passage of materials. Especially for buildings with large storeys, the layout of the supports is high and the workload is large, which affects construction efficiency.

Method used

The formwork structure for casting the floor without ground support is adopted. By installing rods, support modules, trusses and top formwork components on the top of the building columns, a stable support system is formed. The support formwork is fixed on the top of the column and does not rely on the lower floor slab, providing an unobstructed space for the passage of materials.

Benefits of technology

An barrier-free space is created under the formwork, which facilitates the passage of materials, reduces the use of formwork materials and the workload of layout, and improves construction efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The invention discloses a floor-bracing-free floor pouring formwork structure which comprises a mounting rod, a formwork and a formwork, wherein the mounting rod is transversely embedded in a building stand column; the supporting module comprises two base plates, a pull rod and a first profile steel strip, the two base plates are arranged on the two sides of the building stand column correspondingly, the mounting rods are sleeved with the base plates, the pull rod is located on the outer side of the building stand column and penetrates through the two base plates, and first fastening nuts are installed on the sides, back to the building stand column, of the ends of the pull rod; the first profile steel bar is provided with a first side wall and a first bearing wall, and the first side wall is arranged on the mounting rod in a sleeving mode and located between the base plate and the first fastening nut; the second profile steel bar is arranged at the top of the first bearing wall; the first truss is arranged at the top of the second profile steel bar; and the first top template is arranged at the top of the first truss. According to the scheme, the whole pouring formwork structure is fixed to the top of the building stand column and does not need to be supported on a lower floor slab, so that a large barrier-free space is formed below the first top formwork, and materials can pass through the first top formwork conveniently.
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Description

TECHNICAL FIELD

[0001] The present application relates to floor pouring formwork technology field, especially to a floor pouring formwork structure. BACKGROUND

[0002] In building structure, floor is used for separating floor space, bearing various building internal accessories and for people to walk and stand. Common floor construction has two types of prefabrication and cast-in-place: prefabrication can use prefabricated slab, composite slab and other structural forms, and the composition of the floor is all or part of prefabricated components; cast-in-place is to support formwork below, and all uses concrete cast-in-place, and the composition of the floor is all cast-in-place. In the construction process of some frame type buildings, cast-in-place floor construction method can be: first pouring column, after the column curing reaches the set time and strength, floor formwork is carried out, the formwork is located at the top of the column, then the concrete of the floor at the top of the column is poured, and after the floor curing reaches the set time and strength, the formwork is removed.

[0003] When floor formwork is carried out, a large number of supports are usually arranged on the lower floor, and then the formwork is installed on the supports, and the bottom of the support is supported on the lower floor. For this method, because there are a large number of supports under the formwork, the space under the formwork is not convenient for passing materials, and for buildings with large layer height, the arrangement height of the support is large, the number of supports used and the arrangement workload are large, which affects the construction efficiency. SUMMARY

[0004] The purpose of the present application is to provide a floor pouring formwork structure without ground support, which can at least solve the problem that the space under the formwork is not convenient for passing materials.

[0005] To achieve the above purpose, a floor pouring formwork structure without ground support is provided, which is arranged at the top of a building column and comprises: a mounting rod transversely embedded in the building column; a support module comprising a pad, a pull rod and a first steel bar, the pad is provided in two and arranged on both sides of the building column, and the pad is sleeved on the mounting rod, the pull rod is located outside the building column and passes through the two pads, the end of the pull rod is provided with a first fastening nut on the side of the pad away from the building column, the first steel bar has a first side wall and a first supporting wall arranged vertically, the first side wall is sleeved on the mounting rod and located between the pad and the first fastening nut; a second steel bar arranged at the top of the first supporting wall; a first truss arranged at the top of the second steel bar and arranged vertically with the second steel bar; and a first top formwork arranged at the top of the first truss.

[0006] According to the floor pouring formwork structure without ground support, the first truss is located between two adjacent building columns, and the support module and the second steel bar are arranged at the bottom of both ends of the first truss.

[0007] According to the floor pouring formwork structure without ground support, the height of the base plate is greater than the height of the first steel bar.

[0008] According to the floor pouring formwork structure without ground support, the installation rod is embedded on both sides of the building column.

[0009] According to the floor pouring formwork structure without ground support, the support module is arranged on the building column in two and arranged in an up-down mode, and the installation rod is arranged on both of the support modules.

[0010] According to the floor pouring formwork structure without ground support, the support module on the upper side has two first steel bars, which are arranged on both sides of the building column, and a second steel bar is arranged on the first supporting wall of the two first steel bars, and the top of one of the second steel bars is provided with a first truss. The diagonal support module comprises a third steel bar, a first mounting seat, a first support rod and a second support rod, the third steel bar is provided with a fourth steel bar, the second truss is arranged on the top of the other second steel bar and the fourth steel bar, the third steel bar and the first steel bar on the side close to the diagonal support module of the two support modules are fixedly connected with the first mounting seat, one end of the first support rod is rotatably connected with the first mounting seat on the third steel bar, the other end of the first support rod is rotatably connected with the first mounting seat on the first steel bar of the upper support module, one end of the second support rod is rotatably connected with the first mounting seat on the third steel bar, and the other end of the second support rod is rotatably connected with the first mounting seat on the first steel bar of the lower support module. The second top formwork is arranged on the top of the second truss. The outer support is located on the side away from the support module of the second truss, the bottom of the outer support is fixedly connected with the third steel bar, the top of the outer support is provided with a side formwork, and the side formwork is located on the top of the second top formwork.

[0011] According to the floor pouring formwork structure without ground support, the second mounting seat is fixedly arranged between the outer support and the third steel bar, the diagonal support module further comprises a third support rod, the third support rod and the second support rod have an included angle, one end of the third support rod is rotatably connected with the second mounting seat, and the other end of the third support rod is rotatably connected with the first mounting seat on the first steel bar of the lower support module.

[0012] According to the floor pouring formwork structure without ground support, the first support rod, the second support rod and the third support rod each comprise a threaded cylinder and a screw rod inserted into both ends of the threaded cylinder.

[0013] According to the floor pouring formwork structure without ground support, the bottom of the outer support, the second mounting seat and the third steel bar are arranged in sequence and are provided with a fastening bolt.

[0014] According to the pouring formwork structure of the floor without support, the outer support includes an outer support plate and a cross rod, the bottom of the outer support plate is fixedly connected with the third steel strip, the cross rod is fixedly arranged on the side wall of the outer support plate, and the side formwork is fixedly arranged on the side wall of the cross rod.

[0015] Beneficial effects: in the above scheme, the pad and the first steel strip of the support module are sleeved on the installation rod by pre-embedding and installing the installation rod on the building column, the support module is fixed on the building column by the pull rod and the first fastening nut, the second steel strip, the first truss and the first top formwork are installed on the support module, so that the construction formwork of the cast-in-place floor is completed; the pouring formwork structure is fixed on the top of the building column as a whole, and does not need to be supported on the lower floor, so that a larger barrier-free space is provided below the first top formwork, and materials are convenient to pass through; For buildings with great layer height, the use amount and layout workload of the formwork materials can be reduced, and the construction efficiency is improved.

[0016] Additional aspects and advantages of the application will be described in part below, some will become apparent from the following description, or will be understood by those skilled in the art through practice of the application. BRIEF DESCRIPTION OF DRAWINGS

[0017] The application will be further described below in combination with the drawings and examples: Figure 1 The structure schematic view of the first embodiment of the application is shown in the figure; Figure 2 The structure schematic view of the second embodiment of the application is shown in the figure; Figure 3 The structure schematic view of the third embodiment of the application is shown in the figure; Figure 4 The top view of the support module cooperating with the building column is shown in the figure; Figure 5 The top view of the support module and the inclined support module cooperating is shown in the figure. DETAILED DESCRIPTION

[0018] This part will describe the specific embodiments of the application in detail, the preferred embodiments of the application are shown in the drawings, the role of the drawings is to supplement the description of the text part with figures, so that people can intuitively and visually understand each technical feature and the overall technical scheme of the application, but it cannot be understood as a limitation on the protection scope of the application.

[0019] In the description of the present application, it should be understood that the orientation description, such as the orientation or position relationship indicated by up, down, front, back, left, right and the like, is based on the orientation or position relationship shown in the drawings, and is only for the purpose of facilitating the description of the present application and simplifying the description, and does not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application.

[0020] In the description of the present application, greater than, less than, more than, etc. are understood as not including the number, and above, below, etc. are understood as including the number. If it is described as first, second, it is only for the purpose of distinguishing technical features, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features or the sequence of indicated technical features.

[0021] In the description of the present application, unless otherwise explicitly limited, the words such as setting, installing, connecting, etc. should be broadly understood, and the person skilled in the art can reasonably determine the specific meaning of the above words in the present application in combination with the specific content of the technical solution.

[0022] Reference Figure 1 In the first embodiment of the present application, a floor pouring formwork structure without ground support is arranged at the top of the building column 10, which comprises a mounting rod 20, a support module 30, a second steel bar 41, a first truss 42 and a first top formwork plate 43. The mounting rod 20 is transversely embedded in the building column 10. The support module 30 comprises a pad plate 31, a pull rod 32 and a first steel bar 33, the pad plate 31 is arranged in two parts and is arranged on both sides of the building column 10, and the pad plate 31 is sleeved on the mounting rod 20, the pull rod 32 is located on the outside of the building column 10, and the pull rod 32 is arranged in the two pad plates 31, the end of the pull rod 32 is provided with a first fastening nut 34 on the side of the pad plate 31 away from the building column 10, the first steel bar 33 has a first side wall 331 arranged vertically and a first supporting wall 332, the first side wall 331 is sleeved on the mounting rod 20, and the first side wall 331 is located between the pad plate 31 and the first fastening nut 34. The second steel bar 41 is arranged at the top of the first supporting wall 332, the first truss 42 is arranged at the top of the second steel bar 41, and the first truss 42 is arranged vertically with the second steel bar 41, and the first top formwork plate 43 is arranged at the top of the first truss 42. Among them, the mounting rod 20 can be a steel bar, and the steel bar is fixedly connected with the steel cage in the building column 10.

[0023] In construction, the installation rod 20 is pre-embedded in the pouring formwork of the building column 10, and after the pouring construction of the building column 10 is completed, the installation rod 20 is fixedly embedded in the building column 10 to form a pre-embedded structure. When pouring the floor slab, the gasket 31, the first steel strip 33, the pull rod 32 and the first fastening nut 34 are sequentially installed, and the first fastening nut 34 is tightened. The second steel strip 41 is placed on the first supporting wall 332 of the first steel strip 33, the first truss 42 is installed on the top of the second steel strip 41, and the first top formwork 43 is laid on the top of the first truss 42. The reinforcing steel bars are arranged on the first top formwork 43, and then the concrete is poured to form the floor slab. After the curing of the floor slab reaches the set time and strength, the support module 30, the second steel strip 41, the first truss 42 and the first top formwork 43 are removed, and finally the part of the installation rod 20 protruding from the surface of the building column 10 is cut off.

[0024] In the above scheme, by pre-embedding the installation rod 20 in the building column 10, the gasket 31 and the first steel strip 33 of the support module 30 are sleeved on the installation rod 20, the support module 30 is fixed on the building column 10 by the pull rod 32 and the first fastening nut 34, and the second steel strip 41, the first truss 42 and the first top formwork 43 are installed on the support module 30, thereby completing the construction of the cast-in-place floor slab. The pouring formwork structure is fixed on the top of the building column 10 as a whole, which does not need to be supported on the lower floor slab, so that there is a large obstacle-free space below the first top formwork 43, facilitating the passing of materials. In addition, for a building with a very large height, the use of materials required for formwork can be reduced, the amount of formwork materials and the amount of layout work can be reduced, and the construction efficiency can be improved.

[0025] The building column 10 is usually arranged on both sides of the floor slab part inside the building. Based on this building structure, in the present embodiment, the first truss 42 is located between the two adjacent building columns 10, and the bottom of the two ends of the first truss 42 is provided with the support module 30 and the second steel strip 41. The first truss 42 is arranged between the two building columns 10 and is supported by the support module 30 and the second steel strip 41, thereby improving the stability of the formwork.

[0026] In the present embodiment, the height of the gasket 31 is greater than the height of the first steel strip 33, and the gasket 31 is arranged to disperse the pressure applied to the side wall of the building column 10.

[0027] In the present embodiment, the installation rod 20 is embedded on both sides of the building column 10, and the installation rod 20 passes through each gasket 31. Through this structure, the stability of the support module 30 on the building column 10 can be improved.

[0028] Reference Figure 2In the second embodiment of the present application, compared with the first embodiment, in the present embodiment: the support module 30 is arranged on the building column 10 in two and arranged in an up-down manner, and two support modules 30 are each provided with the mounting rod 20, that is, the base plate 31 of the two support modules 30 is each provided with the mounting rod 20.

[0029] For the overhanging floor part on the outside of the building, it is usually provided with the building column 10 on only one side, in order to stably support the pouring of the overhanging floor, in the present embodiment: the floor pouring support formwork structure without ground support further comprises the inclined support module 50, the second truss 61, the second top formwork 62 and the outer support 63.

[0030] The support module 30 on the upper side has two first steel bars 33, which are arranged on the two sides of the building column 10, and each of the first supporting walls 332 of the two first steel bars 33 is provided with the second steel bar 41, and the top of one of the second steel bars 41 is provided with the first truss 42. The inclined support module 50 comprises a third steel bar 51, a first mounting seat 52, a first supporting rod 53 and a second supporting rod 54, the third steel bar 51 is provided with a fourth steel bar 55, the second truss 61 is arranged on the top of the other second steel bar 41 and the fourth steel bar 55, the side of the third steel bar 51 close to the building column 10 is fixedly connected with the first mounting seat 52 through a bolt, and the first steel bar 33 on the side of the two support modules 30 close to the inclined support module 50 is also fixedly connected with the first mounting seat 52 through a bolt, one end of the first supporting rod 53 is rotatably connected with the first mounting seat 52 on the third steel bar 51, the other end of the first supporting rod 53 is rotatably connected with the first mounting seat 52 on the first steel bar 33 of the upper support module 30, one end of the second supporting rod 54 is rotatably connected with the first mounting seat 52 on the third steel bar 51, and the other end of the second supporting rod 54 is rotatably connected with the first mounting seat 52 on the first steel bar 33 of the lower support module 30. The second top formwork 62 is arranged on the top of the second truss 61, the outer support 63 is located on the side of the second truss 61 away from the support module 30, the bottom of the outer support 63 is fixedly connected with the third steel bar 51, the top of the outer support 63 is fixedly provided with the side formwork 64, and the side formwork 64 is located on the top of the second top formwork 62.

[0031] Through the above structure, the side formwork 64 is used to enclose the outer side wall of the cast-in-place floor, the inclined support module 50 can stably support and fix the fourth steel bar 55 and the outer support 63, and stably support the second truss 61 and the second top formwork 62, so as to provide stable support formwork for the pouring of the overhanging floor.

[0032] Reference Figure 3In the third embodiment of the present application, compared with the second embodiment, in the present embodiment: the second mounting seat 65 is fixedly arranged between the outer support 63 and the third steel bar 51, the inclined support module 50 further comprises a third support rod 56, the third support rod 56 and the second support rod 54 are arranged non-parallelly and have an included angle therebetween, one end of the third support rod 56 is rotationally connected with the second mounting seat 65, and the other end of the third support rod 56 is rotationally connected with the first mounting seat 52 on the first steel bar 33 of the lower support module 30. Through the arrangement of the second mounting seat 65 and the third support rod 56, more stable support can be provided for the third steel bar 51 and the outer support 63, and the stability of the formwork is improved.

[0033] In the present embodiment, the bottom of the outer support 63, the second mounting seat 65 and the third steel bar 51 are sequentially arranged and are provided with fastening bolts, and the outer support 63, the third steel bar 51 and the second mounting seat 65 can be fixed by sleeving nuts on the fastening bolts and tightening.

[0034] In the above embodiments, the first support rod 53, the second support rod 54 and the third support rod 56 each comprise a threaded cylinder 561 and a screw rod 562 respectively inserted at both ends of the threaded cylinder 561, and the two screw rods 562 are respectively rotationally connected with the corresponding first mounting seat 52 / second mounting seat 65. Among them, the threads at both ends of the inner cavity of the threaded cylinder 561 are opposite in rotation direction, so that when the threaded cylinder 561 is rotated, the two screw rods 562 can move towards or away from each other along the threaded cylinder 561, so as to adjust the length of the first support rod 53, the second support rod 54 and the third support rod 56, thereby adjusting the distance between the third steel bar 51 and the building column 10, so as to adapt to the pouring formwork of the overhanging floor of different widths.

[0035] In the above embodiments, the outer support 63 comprises an outer support plate 631 and a cross rod 632, the bottom of the outer support plate 631 is fixedly connected with the third steel bar 51, the cross rod 632 is fixedly arranged on the side wall of the outer support plate 631, and the side formwork 64 is fixedly arranged on the side wall of the cross rod 632.

[0036] In the above embodiments, the first steel bar 33 and the third steel bar 51 can be processed by cutting to a fixed length and drilling, and the first steel bar 33 and the third steel bar 51 can adopt the same specification to reduce the types of formwork components.

[0037] The embodiments of the present application are described in detail above in combination with the drawings, but the present application is not limited to the above embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the purpose of the present application.

Claims

1. A formwork structure for pouring a floor slab without ground support, arranged on the top of a building column (10), characterized in that: include: A mounting rod (20) is transversely embedded in the building column (10); A support module (30) includes a pad (31), a tie rod (32) and a first steel bar (33), wherein the pad (31) is provided in two and is disposed on both sides of a building column (10), and the pad (31) is sleeved on a mounting rod (20), the tie rod (32) is located outside the building column (10) and is passed through the two pads (31), and a first fastening nut (34) is installed at the end of the tie rod (32) on the side of the pad (31) facing away from the building column (10), and the first steel bar (33) has a first side wall (331) and a first supporting wall (332) arranged vertically, and the first side wall (331) is sleeved on the mounting rod (20) and is located between the pad (31) and the first fastening nut (34); A second steel bar (41) is disposed on the top of the first supporting wall (332); A first truss (42) is provided on top of the second steel bar (41) and is arranged perpendicular to the second steel bar (41); The first top template (43) is arranged on the top of the first truss (42).

2. A formwork structure for pouring floor slabs without ground support according to claim 1, characterized in that: The first truss (42) is located between two adjacent building columns (10), and the support module (30) and the second steel bar (41) are provided at the bottom of both ends of the first truss (42).

3. The formwork structure for pouring floor slabs without ground support according to claim 1, characterized in that: The height of the backing plate (31) is greater than the height of the first steel bar (33).

4. The formwork structure for pouring floor slabs without ground support according to claim 1, characterized in that: The installation rods (20) are embedded on both sides of the building column (10).

5. The formwork structure for pouring floor slabs without ground support according to claim 4, characterized in that: Two support modules (30) are provided on the building column (10) and are arranged in an upper and lower manner. The two support modules (30) are each provided with a corresponding mounting rod (20).

6. The formwork structure for pouring floor slabs without ground support according to claim 5, characterized in that: It also includes a diagonal support module (50), a second truss (61), a second top template (62) and an outer bracket (63); The support module (30) located on the upper side has two first-shaped steel bars (33), and the two first-shaped steel bars (33) are respectively arranged on both sides of the building column (10). Second-shaped steel bars (41) are arranged on the first supporting walls (332) of the two first-shaped steel bars (33), and a first truss (42) is arranged on the top of one of the second-shaped steel bars (41); The diagonal bracing module (50) comprises a third steel bar (51), a first mounting seat (52), a first support rod (53) and a second support rod (54); a fourth steel bar (55) is provided on the third steel bar (51); a second truss (61) is provided on top of another second steel bar (41) and the fourth steel bar (55); the third steel bar (51) and the first steel bar (33) on one side of the two support modules (30) close to the diagonal bracing module (50) are fixedly connected to the first mounting seat (52); One end of the first support rod (53) is rotatably connected to the first mounting seat (52) on the third steel bar (51), and the other end of the first support rod (53) is rotatably connected to the first mounting seat (52) on the first steel bar (33) of the upper support module (30). One end of the second support rod (54) is rotatably connected to the first mounting seat (52) on the third steel bar (51), and the other end of the second support rod (54) is rotatably connected to the first mounting seat (52) on the first steel bar (33) of the lower support module (30). The second top template (62) is arranged on the top of the second truss (61); The outer bracket (63) is located on a side of the second truss (61) away from the support module (30), the bottom of the outer bracket (63) is fixedly connected to the third steel bar (51), and the top of the outer bracket (63) is provided with a side template (64), and the side template (64) is located on the top of the second top template (62).

7. The formwork structure for pouring floor slabs without ground support according to claim 6, characterized in that: A second mounting seat (65) is fixedly provided between the outer bracket (63) and the third steel bar (51), and the diagonal support module (50) further includes a third support rod (56), wherein an angle is formed between the third support rod (56) and the second support rod (54), and one end of the third support rod (56) is rotatably connected to the second mounting seat (65), and the other end of the third support rod (56) is rotatably connected to the first mounting seat (52) on the first steel bar (33) of the lower support module (30).

8. The formwork structure for pouring floor slabs without ground support according to claim 7, characterized in that: The first support rod (53), the second support rod (54) and the third support rod (56) each comprise a threaded barrel (561) and screw rods (562) respectively inserted at both ends of the threaded barrel (561).

9. The formwork structure for pouring floor slabs without ground support according to claim 7, characterized in that: The bottom of the outer bracket (63), the second mounting seat (65) and the third steel bar (51) are arranged in sequence and are penetrated by fastening bolts.

10. A formwork structure for pouring floor slabs without ground support according to claim 6 or 7, characterized in that: The outer bracket (63) includes an outer support plate (631) and a cross bar (632), the bottom of the outer support plate (631) is fixedly connected to the third steel bar (51), the cross bar (632) is transversely fixedly arranged on the side wall of the outer support plate (631), and the side template (64) is fixedly arranged on the side wall of the cross bar (632).