Strip-shaped foundation one-time pouring forming formwork structure

Abstract

The utility model discloses a strip-shaped foundation one-time pouring forming formwork supporting structure which comprises a lower rectangular section formwork supporting system and an upper rectangular section formwork supporting system, and a plurality of formwork lifting supports used for supporting the upper rectangular section formwork supporting system are arranged on reinforcing steel bars of a slope section structure of a strip-shaped foundation. The formwork lifting support is fixedly bound with steel bars of the strip-shaped foundation, the formwork lifting support comprises two U-shaped formwork lifting ribs, the upper rectangular section formwork supporting system comprises two upper rectangular section formworks, and the bottoms of the upper rectangular section formworks are supported on the U-shaped formwork lifting ribs. The strip-shaped foundation formwork lifting device is reasonable in structural design, the multiple formwork lifting supports are bound and fixed to the steel bars of the strip-shaped foundation, an upper rectangular section formwork supporting system can be supported through the formwork lifting supports, then the upper rectangular section and the slope section of the strip-shaped foundation can be poured at a time conveniently, the construction quality of the strip-shaped foundation can be effectively improved, and the construction period is shortened. And the integrity of the strip-shaped foundation is ensured.

Description

Technical Field

[0001] The utility model belongs to the technical field of building construction, and in particular relates to a strip foundation one-time casting and forming formwork structure. Background Art

[0002] In the traditional strip foundation construction, the inclined part and the upper rectangular part need to be poured in batches, which takes a long construction period. The cold joints formed by the strip foundation formed by the secondary pouring are not conducive to the integrity of the foundation and there are certain quality risks. Therefore, it is necessary to propose a strip foundation one-time pouring formwork structure. Utility Model Content

[0003] The technical problem to be solved by the utility model is to provide a strip foundation one-time casting and forming formwork structure in view of the deficiencies in the above-mentioned prior art. The structure is reasonably designed. By tying and fixing a plurality of formwork lifting brackets on the steel bars of the strip foundation, the upper rectangular section formwork support system can be supported by the formwork lifting brackets, thereby facilitating the one-time casting of the upper rectangular section and the inclined section of the strip foundation, avoiding the formation of construction cold joints due to the secondary casting and forming of the strip foundation, and can effectively improve the construction quality of the strip foundation and ensure the integrity of the strip foundation.

[0004] In order to solve the above technical problems, the technical solution adopted by the utility model is: a strip foundation one-time casting and forming formwork structure, characterized in that: it includes a lower rectangular section formwork support system for constructing the middle and lower rectangular section structure of the strip foundation and an upper rectangular section formwork support system for constructing the middle and upper rectangular section structure of the strip foundation, a plurality of formwork lifting brackets for supporting the upper rectangular section formwork support system are arranged on the steel bars of the inclined section structure of the strip foundation, and the formwork lifting brackets are tied and fixed to the steel bars of the inclined section structure;

[0005] The formwork lifting bracket includes two U-shaped formwork lifting ribs arranged in parallel, the upper rectangular section formwork support system includes two upper rectangular section formworks arranged relatively to each other and tension screws for connecting the two upper rectangular section formworks, the bottom of the upper rectangular section formwork is supported on the U-shaped formwork lifting ribs, the back of the upper rectangular section formwork is provided with a first longitudinal back rib, and a plurality of first vertical limiting assemblies matched with the tension screws are provided on the side of the first longitudinal back rib away from the upper rectangular section formwork, the first vertical limiting assembly includes two first vertical limiting steel pipes, and the lower ends of the two first vertical limiting steel pipes of the first vertical limiting assembly are respectively sleeved on one end of the two U-shaped formwork lifting ribs in the formwork lifting bracket.

[0006] The above-mentioned strip foundation one-time casting formwork structure is characterized in that the multiple first vertical limiting steel pipes on the back side of each upper rectangular section template are tied and fixed by longitudinal steel pipes.

[0007] The above-mentioned strip foundation one-time casting formwork structure is characterized in that: the lower rectangular section formwork support system includes two lower rectangular section formworks that are both supported on the ground and arranged relatively to each other, and a second longitudinal back rib is provided on the back of the lower rectangular section formwork, and a second vertical limiting assembly is provided on the side of the second longitudinal back rib away from the lower rectangular section formwork, and the second vertical limiting assembly includes two second vertical limiting steel pipes.

[0008] The above-mentioned one-time casting and forming formwork structure for a strip foundation is characterized in that: the lower end of the second vertical limiting steel pipe is supported on the ground, the second vertical limiting assembly and the steel bars of the strip foundation are fixed by an oblique tie rod, one end of the oblique tie rod is welded to the steel bars of the lower rectangular section structure, the other end of the oblique tie rod passes through the lower rectangular section template and then passes through the two second vertical limiting steel pipes in the second vertical limiting assembly, and a locking piece is provided on the oblique tie rod.

[0009] The above-mentioned strip foundation one-time casting formwork structure is characterized in that: a plurality of first vertical steel bar heads and second vertical steel bar heads are anchored on the ground on both sides of the lower rectangular section formwork support system, and the second vertical steel bar heads are located on the outside of the first vertical steel bar heads.

[0010] The above-mentioned strip foundation one-time casting formwork structure is characterized in that an oblique supporting square timber is arranged between the upper end of the second vertical limiting assembly and the first vertical steel bar head.

[0011] The above-mentioned one-time casting formwork structure for strip foundation is characterized in that: the second vertical steel bar head is fixed to the longitudinal steel pipe by an oblique steel pipe, and the upper end of the oblique steel pipe is located between the two first vertical limit steel pipes of the first vertical limit assembly.

[0012] Compared with the prior art, the utility model has the following advantages:

[0013] 1. The utility model can support the upper rectangular section formwork support system by tying and fixing a plurality of formwork lifting brackets on the steel bars of the strip foundation, thereby facilitating the one-time casting of the upper rectangular section and the inclined section of the strip foundation, avoiding the formation of construction cold joints by the secondary casting of the strip foundation, and effectively improving the construction quality of the strip foundation.

[0014] 2. The utility model combines two U-shaped formwork lifting ribs together to form a formwork lifting bracket, which can position and fix the first vertical limiting steel pipe of the upper rectangular section formwork support system through the U-shaped formwork lifting ribs, thereby effectively ensuring the structural stability of the upper rectangular section formwork support system and effectively improving construction efficiency and quality.

[0015] To sum up, the utility model has a reasonable structural design. By tying and fixing multiple formwork brackets on the steel bars of the strip foundation, the upper rectangular section formwork support system can be supported by the formwork brackets, thereby facilitating the one-time casting of the upper rectangular section and the inclined section of the strip foundation, avoiding the formation of construction cold joints due to the secondary casting of the strip foundation, and can effectively improve the construction quality of the strip foundation and ensure the integrity of the strip foundation.

[0016] The technical solution of the utility model is further described in detail below through the accompanying drawings and embodiments. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a structural schematic diagram of the utility model.

[0018] Description of reference numerals:

[0019] 1—upper rectangular section template; 2—tension screws; 3—first longitudinal back rib;

[0020] 4—first vertical limit steel pipe; 5—U-shaped lifting rib; 6—longitudinal steel pipe;

[0021] 7—lower rectangular section template; 8—second longitudinal back rib; 9—second vertical limit steel pipe;

[0022] 10—diagonal pull rod; 11—locking piece; 12—first vertical steel bar head;

[0023] 13—diagonal supporting square timber; 14—second vertical steel bar head; 15—diagonal steel pipe;

[0024] 16—lower rectangular segment structure; 17—upper rectangular segment structure; 18—inclined segment structure. DETAILED DESCRIPTION

[0025] like Figure 1 As shown, the utility model includes a lower rectangular section formwork support system for constructing a lower rectangular section structure 16 in a strip foundation and an upper rectangular section formwork support system for constructing an upper rectangular section structure 17 in a strip foundation, and a plurality of formwork support brackets for supporting the upper rectangular section formwork support system are arranged on the steel bars of the inclined section structure 18 of the strip foundation, and the formwork support brackets are tied and fixed to the steel bars of the inclined section structure 18;

[0026] The formwork lifting bracket includes two U-shaped formwork lifting ribs 5 arranged in parallel, the upper rectangular section formwork support system includes two upper rectangular section formworks 1 arranged relatively to each other and a tension screw 2 for connecting the two upper rectangular section formworks 1, the bottom of the upper rectangular section formwork 1 is supported on the U-shaped formwork lifting rib 5, the back of the upper rectangular section formwork 1 is provided with a first longitudinal back rib 3, and the side of the first longitudinal back rib 3 away from the upper rectangular section formwork 1 is provided with a plurality of first vertical limiting assemblies matched with the tension screw 2, the first vertical limiting assembly includes two first vertical limiting steel pipes 4, and the lower ends of the two first vertical limiting steel pipes 4 of the first vertical limiting assembly are respectively sleeved on one end of the two U-shaped formwork lifting ribs 5 in the formwork lifting bracket.

[0027] In actual use, by tying and fixing multiple formwork brackets on the steel bars of the strip foundation, the upper rectangular section formwork support system can be supported by the formwork brackets, thereby facilitating the one-time casting of the upper rectangular section and the inclined section of the strip foundation, avoiding the formation of construction cold joints by the secondary casting of the strip foundation, and effectively improving the construction quality of the strip foundation.

[0028] It should be noted that by combining two U-shaped formwork lifting ribs 5 together to form a formwork lifting bracket, the first vertical limiting steel pipe 4 of the upper rectangular section formwork support system can be positioned and fixed through the U-shaped formwork lifting rib 5, thereby effectively ensuring the structural stability of the upper rectangular section formwork support system and effectively improving construction efficiency and quality.

[0029] During specific implementation, the U-shaped die lifting rib 5 includes a horizontal portion and two vertical portions respectively connected to the upper side of the horizontal portion. The lower end of the first vertical limiting steel pipe 4 is sleeved on the vertical portion of the U-shaped die lifting rib 5. The length of the vertical portion of the U-shaped die lifting rib 5 is 100 mm. The tensioning screw 2 and the horizontal portion of the U-shaped die lifting rib 5 are parallel to each other, and the tensioning screw 2 and the first vertical limiting steel pipe 4 are perpendicular to each other.

[0030] It should be noted that the upper rectangular section template 1 is provided with through holes for the tension screws 2 to pass through. The tension screws 2 are arranged along the width direction of the strip foundation. Multiple rows of tension screws 2 are connected from top to bottom between the two upper rectangular section templates 1. The number of tension screws 2 in each row is equal to the number of formwork lifting brackets and corresponds one to one. Each tension screw 2 and formwork lifting bracket corresponds to two first vertical limit assemblies.

[0031] It should be noted that both ends of the tension screw rod 2 are provided with locking nuts with mountain-shaped clamps, and the mountain-shaped clamps are clamped on the two first vertical limiting steel pipes 4 of the first vertical limiting assembly.

[0032] During specific implementation, a plurality of first longitudinal back ribs 3 are sequentially arranged on the back side of the upper rectangular section template 1 from top to bottom, and the first longitudinal back ribs 3 are closely arranged between the upper rectangular section template 1 and the first vertical limiting steel pipe 4 .

[0033] In this embodiment, the plurality of first vertical limiting steel pipes 4 on the back side of each upper rectangular section template 1 are tied and fixed by longitudinal steel pipes 6 .

[0034] In actual use, the longitudinal steel pipe 6 is connected to the upper end of the first vertical limiting steel pipe 4 .

[0035] In this embodiment, the lower rectangular section formwork support system includes two lower rectangular section formworks 7 which are both supported on the ground and arranged relatively to each other. A second longitudinal back rib 8 is provided on the back of the lower rectangular section formwork 7. A second vertical limiting assembly is provided on the side of the second longitudinal back rib 8 away from the lower rectangular section formwork 7. The second vertical limiting assembly includes two second vertical limiting steel pipes 9.

[0036] In this embodiment, the lower end of the second vertical limiting steel pipe 9 is supported on the ground, and the second vertical limiting assembly is fixed to the steel bars of the strip foundation by an oblique tie rod 10. One end of the oblique tie rod 10 is welded to the steel bars of the lower rectangular section structure 16, and the other end of the oblique tie rod 10 passes through the lower rectangular section template 7 and then passes through the two second vertical limiting steel pipes 9 in the second vertical limiting assembly. A locking piece 11 is provided on the oblique tie rod 10.

[0037] In actual use, the lower rectangular section template 7 is provided with a through hole for the oblique pull rod 10 to pass through.

[0038] In a specific implementation, the locking member 11 includes a mountain-shaped clip and a locking nut.

[0039] In this embodiment, a plurality of first vertical steel bar heads 12 and second vertical steel bar heads 14 are anchored on the ground on both sides of the lower rectangular section formwork support system, and the second vertical steel bar heads 14 are located on the outside of the first vertical steel bar heads 12 .

[0040] In actual use, the arrangement of the oblique supporting square timbers 13 can effectively support the lower rectangular section template 7 .

[0041] In this embodiment, an oblique supporting square timber 13 is arranged between the upper end of the second vertical limiting assembly and the first vertical steel bar head 12 .

[0042] In this embodiment, the second vertical steel bar head 14 is tied and fixed to the longitudinal steel pipe 6 by an oblique steel pipe 15 , and the upper end of the oblique steel pipe 15 is located between the two first vertical limiting steel pipes 4 of the first vertical limiting assembly.

[0043] In actual use, the arrangement of the oblique steel pipe 15 can effectively support the upper rectangular section template 1 .

[0044] When the utility model is actually used, after the strip foundation reinforcement is tied, the lower rectangular section template is supported, and the lifting formwork bracket is tied on the reinforcement of the strip foundation, and the upper rectangular section template support system of the upper part of the strip foundation is fixed on the lifting formwork bracket. After the strip foundation template is erected, the strip foundation inclined surface and the rectangular part are cast at one time. After the template is removed, the redundant part on the lifting formwork bracket is cut off, and anti-rust paint is applied on the cut.

[0045] The above description is only a preferred embodiment of the present invention and does not constitute any limitation to the present invention. Any simple modification, change and equivalent structural change made to the above embodiment according to the technical essence of the present invention shall still fall within the protection scope of the technical solution of the present invention.

Claims

1. A strip foundation one-time casting formwork structure, characterized in that: It comprises a lower rectangular section formwork support system for constructing a middle and lower rectangular section structure (16) of a strip foundation and an upper rectangular section formwork support system for constructing a middle and upper rectangular section structure (17) of a strip foundation, wherein a plurality of formwork support brackets for supporting the upper rectangular section formwork support system are arranged on the steel bars of the inclined section structure (18) of the strip foundation, and the formwork support brackets are tied and fixed to the steel bars of the inclined section structure (18); The formwork lifting bracket includes two U-shaped formwork lifting ribs (5) arranged in parallel, the upper rectangular section formwork support system includes two upper rectangular section formworks (1) arranged relatively to each other and a tension screw (2) for connecting the two upper rectangular section formworks (1), the bottom of the upper rectangular section formwork (1) is supported on the U-shaped formwork lifting rib (5), the back of the upper rectangular section formwork (1) is provided with a first longitudinal back rib (3), and a side of the first longitudinal back rib (3) away from the upper rectangular section formwork (1) is provided with a plurality of first vertical limiting assemblies matched with the tension screw (2), the first vertical limiting assemblies include two first vertical limiting steel pipes (4), the lower ends of the two first vertical limiting steel pipes (4) of the first vertical limiting assemblies are respectively sleeved on one end of the two U-shaped formwork lifting ribs (5) in the formwork lifting bracket.

2. A strip foundation one-time casting formwork structure according to claim 1, characterized in that: The plurality of first vertical limiting steel pipes (4) on the back side of each upper rectangular section template (1) are tied and fixed together by longitudinal steel pipes (6).

3. A strip foundation one-time casting formwork structure according to claim 1, characterized in that: The lower rectangular section formwork support system comprises two lower rectangular section formworks (7) both supported on the ground and arranged opposite to each other, a second longitudinal back rib (8) being arranged on the back side of the lower rectangular section formwork (7), a second vertical limit assembly being arranged on the side of the second longitudinal back rib (8) away from the lower rectangular section formwork (7), and the second vertical limit assembly comprising two second vertical limit steel pipes (9).

4. A strip foundation one-time casting formwork structure according to claim 3, characterized in that: The lower end of the second vertical limit steel pipe (9) is supported on the ground, and the second vertical limit assembly is fixed to the steel bars of the strip foundation by an oblique tie rod (10). One end of the oblique tie rod (10) is welded to the steel bars of the lower rectangular section structure (16), and the other end of the oblique tie rod (10) passes through the lower rectangular section template (7) and then passes through the two second vertical limit steel pipes (9) in the second vertical limit assembly. A locking piece (11) is provided on the oblique tie rod (10).

5. A strip foundation one-time casting formwork structure according to claim 3, characterized in that: A plurality of first vertical steel bar heads (12) and second vertical steel bar heads (14) are anchored on the ground at both sides of the lower rectangular section formwork support system, and the second vertical steel bar heads (14) are located outside the first vertical steel bar heads (12).

6. A strip foundation one-time casting formwork structure according to claim 5, characterized in that: An oblique supporting square timber (13) is arranged between the upper end of the second vertical limiting assembly and the first vertical steel bar head (12).

7. A strip foundation one-time casting formwork structure according to claim 5, characterized in that: The second vertical steel bar head (14) is tied and fixed to the longitudinal steel pipe (6) via an oblique steel pipe (15), and the upper end of the oblique steel pipe (15) is located between the two first vertical limiting steel pipes (4) of the first vertical limiting assembly.

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