Early-dismantling formwork system

Abstract

The utility model relates to the technical field of building construction formwork systems, in particular to an early-dismantling formwork system. Comprising a plurality of formwork sets and a plurality of keels arranged at intervals, each formwork set comprises a plurality of bottom formworks, and the two ends of each bottom formwork are erected on the two adjacent keels respectively. A plurality of early-dismantling heads and early-dismantling plate strips are arranged along the length direction of the keel; the early dismounting head comprises a supporting rod, brackets and a top plate, the brackets are connected to the supporting rod, the brackets are configured to be capable of being adjusted in a lifting mode, and the keels are erected on the corresponding brackets. An early-dismantling plate strip is arranged between every two adjacent formwork sets distributed in the length direction of the keels, and the two ends of each early-dismantling plate strip are erected on the two adjacent keels respectively. The adjacent bottom formworks do not need to bear loads through pins and pin pieces, the use amount of the pins and the pin pieces is greatly reduced, and the construction speed is increased. And during mold removal, the bottom mold can be prevented from directly falling onto the ground, so that the damage to the mold plate is avoided.

Description

Technical Field

[0001] This utility model relates to the technical field of building construction formwork systems, specifically to an early stripping formwork system. Background Technology

[0002] Currently, aluminum alloy formwork is gradually replacing traditional wooden formwork and all-steel large formwork due to its advantages such as light weight, fast turnaround time, high quality, and high reusability. In the traditional aluminum alloy early-stripping formwork system, the top plate of the early-stripping head and the aluminum alloy formwork are combined to form the bottom formwork of the poured slab. Adjacent aluminum formwork panels are supported by pins and brackets to bear the load. When the poured concrete slab has cured to a certain extent, the formwork is removed through the early-stripping head, and the poured concrete slab continues to be supported by the top plate of the early-stripping head until it can be completely removed. The early-stripped formwork can then be moved to other locations or floors, thereby shortening the construction period.

[0003] However, the traditional early stripping system for aluminum alloy formwork also has some problems in actual use: First, adjacent aluminum formwork needs to bear the load through pins and tabs. The spacing between the pins and tabs of the formwork is generally 300mm. Therefore, the construction time required for installing and removing the pins and tabs is relatively long, resulting in a long construction cycle for erecting and dismantling the formwork. Second, during the dismantling of the bottom formwork, after the supports and pins and tabs are removed, the bottom formwork will fall directly to the ground after losing its support, which can easily damage the formwork and shorten its turnover rate. Utility Model Content

[0004] To address the aforementioned deficiencies, the technical problem to be solved by this utility model is to provide an early stripping formwork system in which adjacent aluminum formwork panels do not require pins or tabs to bear the load, thereby reducing the use of pins and tabs and improving the formwork construction speed.

[0005] The above-mentioned technical objective of this utility model is achieved through the following technical solution:

[0006] An early-tear formwork system, comprising:

[0007] Several template groups, wherein each template group includes several base templates;

[0008] Several spaced-apart keels, with the two ends of the bottom template respectively erected on two adjacent keels;

[0009] Early removal head, the early removal head is correspondingly set with the keel and several are provided along the length direction of the keel. The early removal head includes a support rod, a bracket and a top plate. The bracket is connected to the support rod and is configured to be adjustable in height. The keel is erected on the corresponding bracket. The top plate is set at the top of the support rod. The top plate is located between two adjacent template groups along the length direction of the keel and is flush with the top surface of the template group.

[0010] Early-release strips are provided between adjacent template groups distributed along the length of the keel, with both ends of the early-release strips resting on two adjacent keels.

[0011] By adopting the above scheme, this formwork system provides support for each bottom formwork panel through keels, supports, and struts. Adjacent bottom formwork panels do not require pins or brackets to bear the load, significantly reducing the amount of pins and brackets used and thus improving erection efficiency. During formwork erection, early stripping heads, keels, and early stripping strips can be installed first. The planar position of the formwork assembly is positioned using the early stripping strips and the top plate, eliminating the need for repositioning the formwork assembly and greatly improving installation efficiency. The top plate restricts the position of the bottom formwork, thereby improving its stability during pouring. Furthermore, during formwork removal, adjusting the support lowers the keel. When dismantling the formwork assembly, the bottom formwork falls onto the keel instead of directly to the ground, reducing the risk of formwork damage.

[0012] Preferably, the bottom template includes a first panel and a first rib connected together. The first rib is connected to both ends of the first panel and is located below it. The two ends of the first rib are respectively supported on two adjacent joists. The first rib strengthens the rigidity of the first panel and improves its load-bearing capacity.

[0013] Preferably, the first rib has a plurality of first pin holes along its length. During the erection of the bottom formwork, the first pin holes on the first rib allow adjacent bottom formworks to be positioned using a small number of pins and pegs.

[0014] Preferably, the lower end of the first rib has a bent portion that bends inward. This bent portion at the lower end of the first rib serves two purposes: firstly, it prevents the edges of the first rib from scratching workers; secondly, it enhances the first rib's resistance to bending moments.

[0015] Preferably, the early-release strip includes a second panel and a second rib connected together. The second panel has second ribs connected to both ends adjacent to the template assembly, and the second ribs are located on the underside of the second panel. The second ribs strengthen the rigidity of the second panel and improve its load-bearing capacity.

[0016] Preferably, the second rib has a plurality of second pin holes that correspond one-to-one with the first pin holes. These second pin holes reduce the weight of the second rib and allow pins to be inserted into the corresponding first and second pin holes, facilitating the positioning of the bottom template adjacent to the early stripping strip, and thus simplifying the positioning of the template assembly.

[0017] Preferably, the support has a through hole in the middle, the support rod passes through the through hole, and an adjusting nut is threaded onto the support rod, with the adjusting nut abutting against the lower side of the support. By rotating the adjusting nut, the height of the support can be easily adjusted, thereby adjusting the height of the keel.

[0018] Preferably, the support is U-shaped, and the keel is located between the corresponding support and the strut. Because the support is U-shaped, it provides better restraint for the keel.

[0019] Preferably, both ends of the support are provided with positioning plates, the upper ends of which extend between the corresponding two second ribs, and the width of the positioning plate matches the spacing between the corresponding two second ribs. The positioning plates, in cooperation with the second ribs, facilitate the positioning of the early-release strip, thereby simplifying its installation.

[0020] Preferably, an end plate is fixedly connected to the end of the second panel corresponding to the keel, and the end plate is located on the lower side of the second panel. When installing the early-release strip, the end plate can hook onto the positioning plate, thereby facilitating the initial positioning of one end of the early-release strip with the corresponding early-release head.

[0021] In summary, the early stripping template system provided by this utility model has at least the following beneficial effects:

[0022] 1. No pins or pegs are needed between adjacent bottom formwork to bear the load, which greatly reduces the amount of pins and pegs used and improves the construction speed.

[0023] 2. It can prevent the bottom mold from falling directly to the ground during the demolding process, thereby avoiding damage to the template. Attached Figure Description

[0024] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without any novel effort.

[0025] Figure 1 This is a three-dimensional structural diagram of the present invention from a top-down perspective;

[0026] Figure 2 This is a three-dimensional structural diagram of the present invention from a downward viewing angle;

[0027] Figure 3 yes Figure 2 An enlarged view of point a in the middle;

[0028] Figure 4 This is a three-dimensional structural diagram of the early disassembly head and keel in this utility model;

[0029] Figure 5 A three-dimensional structural diagram of the early disassembly head in this utility model;

[0030] Figure 6 This is a three-dimensional structural diagram of the insole template of this utility model;

[0031] Figure 7 yes Figure 6 A magnified view at point b in the middle;

[0032] Figure 8 A three-dimensional structural diagram of the early-release plate belt in this utility model from a downward viewing angle;

[0033] Figure 9 This is a three-dimensional structural diagram of the support of the second embodiment of this utility model.

[0034] The reference numerals in the attached drawings include: bottom template 1, first panel 101, first rib 102, first pin hole 103, bending part 104, keel 2, early removal head 3, support rod 301, bracket 302, top plate 303, through hole 304, adjusting nut 305, positioning plate 306, early removal plate band 4, second panel 401, second rib 402, second pin hole 403, end plate 404, edge patching plate band 5, and limiting block 6. Detailed Implementation

[0035] To enable those skilled in the art to better understand the technical solution of this utility model, the following description is provided in conjunction with the appendix. Figure 1-9 The present invention will be further described in detail below with reference to specific embodiments.

[0036] Please see Figure 1-8This embodiment provides an early-stripping formwork system, comprising several formwork groups and several spaced-apart keels 2. Each formwork group includes several bottom formwork 1s distributed along the left-right direction, and the keels 2s are evenly distributed along the front-back direction. Each bottom formwork 1 has a keel 2 corresponding to both its front and back ends, and the front and back ends of the bottom formwork 1 are respectively supported on two adjacent keels 2. Each keel 2 is provided with an early-stripping head 3, and several early-stripping heads 3 are provided along the length of the corresponding keel 2. Each early-stripping head 3 includes a support rod 301, a bracket 302, and a top plate 303. The bracket 302 is connected to the support rod 301 and is configured to be height-adjustable. The keels 2 are supported on the corresponding brackets 302, and the top plate 303 is located at the top of the support rod 301 and is fixedly connected to the support rod 301. The top plate 303 is located between two adjacent formwork groups along the length of the keel 2 and is flush with the top surface of the formwork group. Specifically, the top surface of the top plate 303 is flush with the top surface of the formwork assembly, and the top plate 303 is used to directly support the concrete slab. The top plate 303 is a rectangular plate, and in this embodiment, it is preferred to be a square plate. Early-stripping strips 4 are provided between adjacent formwork assemblies distributed along the length of the joists 2, that is, early-stripping strips 4 are provided between two adjacent formwork assemblies distributed along the left-right direction. The front and rear ends of the early-stripping strips 4 are respectively laid on the two adjacent joists 2. The early-stripping strips 4 fill the gaps separated by the corresponding top plates 303 between two adjacent formwork assemblies along the left-right direction.

[0037] By adopting the above scheme, in this formwork system, the keel 2, support 302, and strut 301 provide support for each bottom formwork 1. Adjacent bottom formwork 1s do not require pins or brackets to bear the load, thus greatly reducing the amount of pins and brackets used and improving erection efficiency. Specifically, during formwork erection, each rectangular formwork group has an early stripping head 3 at each of its four corners. The early stripping head 3, keel 2, and early stripping strip 4 can be installed first. The early stripping strip 4 and top plate 303 are used to position the formwork group in planar terms, eliminating the need for repositioning and significantly improving installation efficiency. During demolding, the support 302 is lowered, thereby lowering the keel 2. When dismantling the formwork group, the bottom formwork 1 falls onto the keel 2 instead of directly to the ground, reducing the risk of formwork damage. In addition, during use, the template group can be formed by combining several bottom templates 1 of the same length but different widths, thereby adapting to different width requirements of template erection. By combining bottom templates 1 of different widths, it can adapt to the template erection of non-standard layers. The length of the keel 2 is set according to the requirements to ensure that each bottom template 1 can be supported by the keel 2. The top plate 303 of the early stripping head 3, the early stripping strip 4, and the bottom template 1 together form the bottom formwork for bearing the cast-in-place concrete. In specific applications, the template group can be erected in two or more spans as needed. In this embodiment, two span template groups are erected along the front-to-back direction. The front end of the template group on the front side and the rear end of the template group on the rear side are respectively provided with edge strips 5. Both ends of the edge strips 5 are provided with right-angle slots that match the right angle of the top plate 303. The two right-angle slots of the edge strips 5 are respectively spliced ​​with the two adjacent top plates 303 on the left and right sides to form straight edges, so as to facilitate wall alignment or to facilitate the installation of edge templates to fill the gaps between the edge and the wall.

[0038] Please continue reading. Figure 2 The bottom template 1 includes a first panel 101 and a first rib 102 connected to each other. The first panel 101 is a rectangular plate, preferably a long rectangular plate in this embodiment, with its length direction being the front-to-back direction and its width direction being the left-to-right direction. The first rib 102 is fixedly connected to both the left and right ends of the first panel 101. The first rib 102 is located on the lower side of the first panel 101, and the front and rear ends of the first rib 102 are respectively supported on two adjacent keels 2.

[0039] Please see Figure 3 , 6 7. A plurality of first pin holes 103 are provided on the first rib 102 along the length direction, and the first pin holes 103 are evenly distributed along the length direction of the first rib 102. The lower end of the first rib 102 has a bent portion 104 that bends inward, that is, the lower end of the first rib 102 has a bent portion 104 that bends inward.

[0040] Please see Figure 8The early-release plate 4 includes a second panel 401 and a second rib 402 connected together. The second panel 401 is a rectangular plate, and its length direction is the front-to-back direction. The second rib 402 is fixedly connected to both ends of the second panel 401 adjacent to the template assembly. The second rib 402 is connected to the left and right ends of the second panel 401 and is located on the lower side of the second panel 401. The second rib 402 has several second pin holes 403 that correspond one-to-one with the first pin holes 103.

[0041] Please see Figure 5 The support 302 has a through hole 304 in the middle, through which a support rod 301 passes. An adjusting nut 305 is threaded onto the support rod 301, and the adjusting nut 305 abuts against the lower side of the support 302. The support 302 is U-shaped with both ends extending upwards, and the keel 2 is located between the corresponding support 302 and the support rod 301. Two keels 2 are mounted on one support 302, resulting in a compact overall structure and balanced force distribution at both ends of the support 302. Positioning plates 306 are provided at both ends of the support 302. The upper end of the positioning plate 306 extends between the corresponding two second ribs 402, and the width of the positioning plate 306 matches the spacing between the corresponding two second ribs 402.

[0042] Please see Figure 8 The second panel 401 and the keel 2 are both fixedly connected to end plates 404. The end plates 404 are located on the lower side of the second panel 401 and between the two second ribs 402.

[0043] Please see Figure 9 In some embodiments, unlike the embodiments described above, the width of the support 302 is the same as that of the positioning plate 306. The positioning plate 306 is integrally formed with the support 302, and the width of the positioning plate 306 matches the spacing between the two second ribs 402 of the early-release plate band 4. Two limiting blocks 6 are provided at the bottom of the upper side of the support 302. The two limiting blocks 6 are located on the front and rear sides of the through hole 304, respectively, and there is a certain distance between the limiting blocks 6 and the through hole 304. In use, the keel 2 is installed on the upper side of the support 302. The upwardly extending portion of the support 302, together with the limiting blocks 6, clamps the keel 2, thereby restricting the planar position of the keel 2 on the support 302.

[0044] It should be noted that words indicating direction in this article, such as "up" and "down," are all in the format of "upper" and "lower." Figure 1 The direction setting is for ease of description only and has no other specific meaning.

[0045] It should also be noted that, in this document, relational terms such as "first" and "second" are used merely 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 an article or apparatus comprising a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such an article or apparatus. Without further limitations, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the article or apparatus that includes the aforementioned element.

[0046] This article uses specific examples to illustrate the principles and implementation methods of this utility model. The descriptions of the above embodiments are only for the purpose of helping to understand the core ideas of this utility model. It should be noted that for those skilled in the art, several improvements and modifications can be made to this utility model without departing from the principles of this utility model, and these improvements and modifications also fall within the protection scope of the claims of this utility model.

Claims

1. An early-strip formwork system, characterized in that, The utility model relates to a template group and early dismantling device for building construction, which comprises: a plurality of template groups, each of which comprises a plurality of bottom templates (1); a plurality of spaced keels (2), both ends of each bottom template (1) being arranged on two adjacent keels (2) respectively; early dismantling heads (3) arranged corresponding to the keels (2) and provided with a plurality of early dismantling heads (3) along the length direction of the keels (2), each early dismantling head (3) comprising a support rod (301), a bracket (302) and a top plate (303), the bracket (302) being connected to the support rod (301), the bracket (302) being configured to be adjustable in height, the keel (2) being arranged on the corresponding bracket (302), the top plate (303) being arranged at the top end of the support rod (301), the top plate (303) being located between two adjacent template groups along the length direction of the keel (2) and being flush with the top surface of the template groups; early dismantling plate strips (4) arranged between adjacent template groups along the length direction of the keels (2), both ends of each early dismantling plate strip (4) being arranged on two adjacent keels (2) respectively.

2. A system according to claim 1, wherein, Each bottom template (1) comprises a first panel (101) and a first rib plate (102) connected to each other, both ends of the first panel (101) being connected to a first rib plate (102), the first rib plate (102) being located on the lower side of the first panel (101), both ends of the first rib plate (102) being arranged on two adjacent keels (2) respectively.

3. A system according to claim 2, wherein, A plurality of first pin holes (103) are formed on the first rib plate (102) along the length direction.

4. The early strip formwork system of claim 2, wherein, The lower end of the first rib plate (102) has a bending part (104) bent towards the inside.

5. A system according to claim 3 or 4, wherein, Each early dismantling plate strip (4) comprises a second panel (401) and a second rib plate (402) connected to each other, both ends of the second panel (401) being connected to a second rib plate (402) adjacent to the template groups, the second rib plate (402) being located on the lower side of the second panel (401).

6. A system according to claim 5, wherein, A plurality of second pin holes (403) corresponding to the first pin holes (103) are formed on the second rib plate (402).

7. A system according to claim 5, wherein, A through hole (304) is formed in the middle of the bracket (302), the support rod (301) being arranged in the through hole (304), an adjusting nut (305) being threadedly connected to the support rod (301), the adjusting nut (305) abutting against the lower side of the bracket (302).

8. A system according to claim 7, wherein, The bracket (302) is U-shaped, the keel (2) being located between the corresponding bracket (302) and the support rod (301).

9. A system according to claim 8, wherein, Both ends of the bracket (302) are provided with a positioning plate (306), the upper end of the positioning plate (306) extending between the two corresponding second rib plates (402), the width of the positioning plate (306) matching the spacing of the two corresponding second rib plates (402).

10. The early strip formwork system of claim 9, wherein, The end plate (404) is fixedly connected to the corresponding end of the second panel (401), the end plate (404) being located on the lower side of the second panel (401).

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