Modularized building formwork set and construction method

Abstract

The invention relates to the technical field of fabricated buildings, in particular to a modular building formwork set which is characterized in that two L-shaped connecting pieces and a first plate body jointly form a T-shaped containing cavity; the head of the T-shaped connecting piece is detachably inserted into the T-shaped containing cavity in the vertical direction, and the tail of the T-shaped connecting piece is fixedly connected with the second plate body. The composite shear wall formwork has the beneficial effects that the first embedded plate and the second embedded plate replace a reinforcement cage and a mesh in an original formwork, the strength of the formwork is improved, the concrete and the first welding stud can be anchored with the concrete, and strong connection of normal opposite pulling, tangential shear resistance and in-plane bending resistance of wall shells of two composite shear walls is achieved; the L-shaped connecting assemblies and the T-shaped connecting pieces are mutually connected and can be mutually positioned, and the connecting plates can enhance the connecting strength of weak connecting positions between the upper formwork set and the lower formwork set and position the formwork set on the upper layer.

Description

Technical Field

[0001] The present invention relates to the technical field of prefabricated buildings, and particularly to a formwork group for modular buildings and a construction method thereof. Background Art

[0002] Modular building is an industrialized construction method. By decomposing a building into standardized formwork units (such as rooms or functional units), after prefabrication and production in a factory, it is transported to the site for assembly. It has characteristics such as standardized design, factory production, and assembled construction. Therefore, it has advantages such as fast construction speed, controllable quality, and environmental protection.

[0003] In the prior art, Chinese Patent CN118881151A provides a wall formwork for modular buildings and a construction method thereof, including a first formwork and a second formwork arranged in parallel at intervals; a steel reinforcement cage, which is installed in parallel between the first formwork and the second formwork. One side of the steel reinforcement cage is connected to the first formwork, and the other side is connected to the second formwork; the steel reinforcement cage includes two edge members extending in the vertical direction, and the two edge members are respectively installed at both ends of the second steel bar, and both edge members are connected to a plurality of second steel bars. Since the connection strength between the steel reinforcement cage and the formwork is limited, and the process of making the steel reinforcement cage is cumbersome, the connection between the steel reinforcement cage and the first formwork and the second formwork requires a longer time, and a tension device needs to be set between the first formwork and the second formwork, which affects the integration degree of the interior decoration.

[0004] Therefore, there is an urgent need for a formwork group for modular buildings and a construction method thereof with simple processes and high connection strength. Summary of the Invention

[0005] (1) Technical Problems to be Solved

[0006] In view of the above-mentioned disadvantages and deficiencies of the prior art, the present invention provides a formwork group for modular buildings and a construction method thereof, which solves the technical problems of complex existing formwork structures and insufficient connection strength.

[0007] (2) Technical Solutions

[0008] To achieve the above object, the main technical solutions adopted by the present invention include:

[0009] In the first aspect, an embodiment of the present invention provides a formwork group for modular buildings and a construction method thereof.

[0010] A formwork group for modular buildings proposed in an embodiment of the present invention includes a first formwork and a second formwork arranged in parallel at intervals, and is characterized in that: it further includes a first embedded panel fixed to the first formwork and a second embedded panel fixed to the second formwork; the first embedded panel includes a first plate body and multiple groups of L-shaped connection components fixed to the upper and lower ends of the outer side of the first plate body, each group of L-shaped connection components includes two L-shaped connectors, one end of each of the two L-shaped connectors is connected to the first plate body, the other ends extend towards each other and there is a distance between the ends, and the two L-shaped connectors and the first plate body together form a T-shaped accommodation cavity; the second embedded panel includes a second plate body and multiple T-shaped connectors fixed to the upper and lower ends of the outer side of the first plate body, the head of the T-shaped connector is detachably inserted into the T-shaped accommodation cavity and the insertion direction is the up and down direction, and the tail of the T-shaped connector is fixedly connected to the second plate body; several rectangular grooves are provided at the upper end of the T-shaped connector located at the upper end in the second embedded panel, and several rectangular grooves are provided at the lower end of the T-shaped connector located at the lower end in the second embedded panel; when the upper and lower two formwork groups are spliced, the rectangular grooves of the upper and lower adjacent two second embedded panels of the upper and lower two formwork groups are aligned and a connecting plate can be inserted; multiple first welding studs are welded on the outer sides of the first plate body and the second plate body, a pouring space is formed between the first plate body and the second plate body, and the first welding studs extend into the pouring space and are spaced from the first plate body and the second plate body, so as to enable the first welding studs to form an anchoring connection with the post-cast concrete in the pouring space and be in a tension state.

[0011] Optionally, both the first formwork and the second formwork are concrete wall forms for modular integrated buildings.

[0012] Optionally, the T-shaped connector includes a vertical plate parallel to the first plate body and a horizontal plate fixed to the second plate body; the rectangular groove is located on the horizontal plate, and several through holes are provided at the central position of the connecting plate so that horizontal steel bars can pass through.

[0013] Optionally, the multiple first welding studs are arranged in a matrix, and the distance between adjacent first welding studs is in the range of 250 - 350 mm; or, the multiple first welding studs are arranged in a plum blossom shape, and the distance between adjacent first welding studs is in the range of 140 - 160 mm.

[0014] Optionally, the first embedded panel further includes multiple second welding studs welded on the inner side of the first plate body, the second welding studs are embedded in the concrete wall, and the heads of the second welding studs are away from the plate body; the second embedded panel also includes multiple second welding studs welded on the inner side of the first plate body.

[0015] Optionally, the multiple second welding studs are arranged in a matrix, and the distance between adjacent second welding studs is in the range of 350 - 450 mm, and the distance between adjacent second welding studs is greater than the distance between adjacent first welding studs; or, the multiple second welding studs are arranged in a plum blossom shape, and the distance between adjacent second welding studs is in the range of 140 - 160 mm.

[0016] Optionally, when the concrete wall form is a single - limb wall, the number of the first embedded panel or the second embedded panel on one concrete wall form is one; when the concrete wall form is a coupled - limb wall, the number of the first embedded panel or the second embedded panel on one concrete wall form is equal to the number of wall limbs.

[0017] In a second aspect, an embodiment of the present invention provides a construction method for a formwork group for modular buildings.

[0018] A construction method for a formwork group for modular buildings proposed by an embodiment of the present invention, including a formwork group for modular buildings, comprises the following steps:

[0019] S1. Manufacture a first formwork fixed with a first embedded panel and a second formwork fixed with a second embedded panel in a factory respectively and transport them to the construction site.

[0020] S2. Complete the steel bar binding of the edge members and columns on one side of the first formwork and the second formwork, place one of the first formwork and the second formwork at the designated position, hoist the other formwork and connect it with the previously placed formwork, so that the first formwork and the second formwork on the same layer are connected to each other. Snap the connecting plate into the rectangular groove at the top end of the second formwork, complete the construction of the negative steel bars passing through the first formwork and the second formwork. A pouring space is formed between the first formwork and the second formwork, and concrete is poured into the pouring space to form a concrete wall panel.

[0021] S3. Hoist the first formwork and the second formwork of the upper layer. During the hoisting process, snap the connecting plate into the rectangular groove at the bottom end of the second formwork of the upper layer, and align the T - shaped connecting piece of the second formwork of the upper layer with the corresponding T - shaped connecting piece on the second formwork of the lower layer, so that the upper and lower two formwork groups are aligned. Complete the steel bar binding of the edge members and columns on one side of the first formwork and the second formwork of the upper layer, snap the connecting plate into the rectangular groove at the top end of the second formwork of the upper layer, complete the construction of the negative steel bars passing through the first formwork and the second formwork of the upper layer. A pouring space is formed between the first formwork and the second formwork of the upper layer, and concrete is poured into the pouring space to form a concrete wall panel.

[0022] S4. Repeat the steps of S3 until the predetermined number of floors is reached.

[0023] Optionally, in step S2, place the first formwork or the second formwork according to the on - site line snapping for positioning. The remaining first formwork or second formwork can be positioned and connected by using L - shaped connecting components or T - shaped connecting pieces. In the formwork group after pouring, the first formwork and the second formwork are connected by concrete, and the negative steel bars are transverse steel bars passing through the through - holes on the connecting plate.

[0024] Optionally, in step S3, it is necessary to level the grouting layer at the top of the lower formwork group, and then hoist the formwork group of the upper layer. The rectangular grooves in the upper layer are used for positioning the second formwork of the upper layer. After the installation of the second formwork is completed, the L-shaped connection components in the first formwork of the upper layer can be connected to the T-shaped connecting pieces of the same layer to complete the positioning of the first formwork of the upper layer.

[0025] (III) Advantageous Effects

[0026] The advantageous effects of the present invention are as follows:

[0027] One aspect of the present invention provides a formwork group for modular buildings, including a first formwork and a second formwork arranged in parallel at intervals, characterized in that: it further includes a first embedded panel fixed to the first formwork and a second embedded panel fixed to the second formwork; the first embedded panel includes a first plate body and multiple groups of L-shaped connection components fixed to the upper and lower ends of the outer side of the first plate body. Each group of L-shaped connection components includes two L-shaped connecting pieces. One end of each of the two L-shaped connecting pieces is connected to the first plate body, and the other ends extend towards each other and there is a spacing between the ends. The two L-shaped connecting pieces and the first plate body together form a T-shaped accommodation cavity; the second embedded panel includes a second plate body and multiple T-shaped connecting pieces fixed to the upper and lower ends of the outer side of the first plate body. The head of the T-shaped connecting piece is detachably inserted into the T-shaped accommodation cavity and the insertion direction is the up and down direction, and the tail of the T-shaped connecting piece is fixedly connected to the second plate body; there are several rectangular grooves provided at the upper end of the T-shaped connecting piece in the upper second embedded panel, and there are several rectangular grooves provided at the lower end of the T-shaped connecting piece in the lower second embedded panel; when splicing the upper and lower formwork groups, the rectangular grooves of the upper and lower adjacent second embedded panels of the upper and lower formwork groups are aligned and can insert a connecting plate; a plurality of first welding studs are welded on the outer sides of the first plate body and the second plate body. A pouring space is formed between the first plate body and the second plate body. The first welding studs extend into the pouring space and are spaced from the first plate body and the second plate body, so as to enable the first welding studs to form an anchoring connection with the post-cast concrete in the pouring space and be in a tension state. Compared with the prior art, the first embedded panel and the second embedded panel replace the original steel reinforcement cage and mesh in the formwork, increasing the strength of the formwork. The concrete and the first welding studs can be anchored to the concrete, realizing the strong connection of the normal tension, tangential shear resistance, and in-plane bending resistance of the wall shells of two superposed shear walls. The L-shaped connection components and the T-shaped connecting pieces are connected to each other and can be positioned relative to each other. The connecting plate can enhance the connection strength of the weak connection between the upper and lower formwork groups and position the installation of the formwork group of the upper layer.

[0028] One aspect of the present invention provides a construction method for a formwork group for modular buildings, including a formwork group for modular buildings, comprising the following steps: S1. respectively fabricate a first formwork with a first embedded panel and a second formwork with a second embedded panel in a factory and transport them to the construction site; S2. complete the steel bar binding of the edge members and columns on one side of the first formwork and the second formwork, place the first formwork or the second formwork at the designated position, hoist the remaining first formwork or second formwork, connect it with the previously placed first formwork or second formwork, so that the first formwork and the second formwork on the same floor are connected to each other, snap the connecting plate into the rectangular groove at the top of the second formwork, complete the construction of the negative steel bars passing through the first formwork and the second formwork, form a pouring space between the first formwork and the second formwork, and pour concrete into the pouring space to form a concrete wall panel; S3. hoist the first formwork and the second formwork of the upper layer. During the hoisting process, snap the connecting plate into the rectangular groove at the bottom of the second formwork of the upper layer, and align the T-shaped connectors on the second formwork of the upper layer with the corresponding T-shaped connectors on the second formwork of the lower layer, so that the upper and lower formwork groups are aligned. Complete the steel bar binding of the edge members and columns on one side of the first formwork and the second formwork of the upper layer, snap the connecting plate into the rectangular groove at the top of the second formwork of the upper layer, complete the construction of the negative steel bars passing through the first formwork and the second formwork of the upper layer, form a pouring space between the first formwork and the second formwork of the upper layer, and pour concrete into the pouring space to form a concrete wall panel; S4. repeat the steps of S3 until the predetermined number of floors is reached. Compared with the prior art, by fabricating the first formwork and the second formwork in a factory and only splicing on site, the installation of the formwork group for modular buildings can be completed. Therefore, the construction efficiency is accelerated, energy is saved and the environment is protected. Moreover, the upper and lower formworks are connected by a connecting plate, which can be quickly positioned and connected. Therefore, the structural stability is enhanced and the construction difficulty is reduced. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] Figure 1 FIG. 6 is a side view of Embodiment 1 of the formwork group for modular buildings of the present invention;

[0030] Figure 2 is Figure 1 a schematic structural diagram of the first formwork and the connecting plate in the shown formwork group for modular buildings;

[0031] Figure 3 is Figure 1 a schematic structural diagram of the shown formwork group for modular buildings;

[0032] Figure 4 is Figure 1 a schematic structural diagram of the shown formwork group for modular buildings, wherein, for clearly showing the structure, the second formwork is in a transparent effect;

[0033] Figure 5 is Figure 1Schematic structural diagram of the Y-shaped connector and the connecting plate in the modular building formwork group shown;

[0034] Figure 6 Side view of Embodiment 2 of the modular building formwork group of the present invention, wherein the lower formwork group is partially shown;

[0035] Figure 7 Schematic structural diagram of the first inner panel of Embodiment 3 of the modular building formwork group of the present invention.

[0036] Description of reference numerals

[0037] 1: First formwork; 11: First inner panel; 111: First plate body; 112: L-shaped connection assembly; 113: L-shaped connector; 114: First welding stud; 115: Second welding stud;

[0038] 2: Second formwork; 21: Second inner panel; 211: Second plate body; 212: T-shaped connector; 213: Rectangular groove;

[0039] 3: Connecting plate. Detailed implementation manners

[0040] For better explaining the present invention for easy understanding, the present invention will be described in detail below with reference to the accompanying drawings through specific implementation manners.

[0041] A modular building formwork group proposed in an embodiment of the present invention, by respectively providing a first inner panel 11 (forming a T-shaped accommodation cavity) with an L-shaped connection assembly 112 on a first formwork 1 and a second inner panel 21 with a T-shaped connector 212 on a second formwork 2, and using the head of the T-shaped connector 212 to be inserted into the cavity in the up and down direction to achieve quick positioning and detachable connection between formworks; at the same time, aligned rectangular grooves 213 are provided at the ends of the T-shaped connectors 212 spliced up and down to insert a connecting plate 3 to form a longitudinal lock; a plurality of first welding studs 114 welded on the outer sides of the first plate body 111 and the second plate body 211 extend into the pouring space to form a two-way anchoring structure with the post-cast concrete. The problems of complex connection structure and insufficient connection strength in the formwork system of traditional modular buildings are solved. The present invention simplifies the positioning process through the combination of the L-shaped connection assembly 112 and the T-shaped connector 212, and the combination with the connecting plate 3 speeds up the positioning speed of the upper and lower formwork groups. The anchoring of the first welding studs 114 and the second welding studs 115 with the concrete improves the bonding strength with the concrete, and the entire formwork group takes into account both construction efficiency and structural strength.

[0042] To better understand the above technical solution, the exemplary embodiments of the present invention will be described in more detail with reference to the accompanying drawings. Although the exemplary embodiments of the present invention are shown in the drawings, it should be understood that the present invention can be implemented in various forms and should not be limited by the embodiments set forth herein. On the contrary, these embodiments are provided so that the present invention can be understood more clearly and thoroughly, and the scope of the present invention can be fully conveyed to those skilled in the art.

[0043] Embodiment 1:

[0044] Referring to Figures 1 to 5 , the present invention provides a formwork group for modular buildings, which is used for pouring concrete walls in modular buildings. Specifically, the formwork group for modular buildings in this embodiment includes a first formwork 1 and a second formwork 2 arranged in parallel at intervals, and further includes a first embedded panel 11 fixed to the first formwork 1 and a second embedded panel 21 fixed to the second formwork 2, which will be described in detail below.

[0045] Refer to Figure 1 , Figure 1 As shown in the side view of the formwork group for modular buildings, the first embedded panel 11 includes a first plate body 111 and a plurality of L-shaped connection components 112 fixed to the upper and lower ends of the outer side surface of the first plate body 111. Each group of L-shaped connection components 112 includes two L-shaped connectors 113. One end of each of the two L-shaped connectors 113 is connected to the first plate body 111, and the other ends extend towards each other and there is a spacing between the ends. The two L-shaped connectors 113 and the first plate body 111 together form a T-shaped accommodation cavity; the second embedded panel 21 includes a second plate body 211 and a plurality of T-shaped connectors 212 fixed to the upper and lower ends of the outer side surface of the first plate body 111. The head of the T-shaped connector 212 is detachably inserted into the T-shaped accommodation cavity and the insertion direction is the up and down direction, and the tail of the T-shaped connector 212 is fixedly connected to the second plate body 211.

[0046] Specifically, the first formwork 1 and the first embedded panel 11 are fixedly connected by means of screwing, clamping or riveting, etc. In this embodiment, the embedded panel is pre-embedded on the first formwork 1, and the connection method of the second formwork 2 and the second embedded panel 21 is the same as that of the first formwork 1 and the first embedded panel 11. Refer to Figure 2 , Figure 2It is a structural schematic diagram of the first template 1 and the connecting plate 3. The L-shaped connecting component 112 is fixedly connected to the first plate body 111 by means of welding, screwing or clamping, etc. The L-shaped connecting component 112 is formed by two L-shaped connecting members 113 arranged at intervals relative to each other. Therefore, the two L-shaped connecting components 112 and the first plate body 111 together form a T-shaped accommodating cavity, and multiple L-shaped connecting components 112 are arranged at intervals at the upper and lower ends of the first plate body 111. The T-shaped connecting member 212 is fixedly connected to the second plate body 211 by means of welding, screwing or clamping, etc. The T-shaped connecting member 212 is arranged opposite to the L-shaped connecting component 112. Therefore, after the T-shaped connecting member 212 is inserted into the T-shaped accommodating cavity in the L-shaped connecting component 112, the pre-connection between the first template 1 and the second template 2 can be maintained.

[0047] Reference Figure 1 and Figure 2 , in the second inner panel 21, several rectangular grooves 213 are provided at the upper end of the T-shaped connecting member 212 located at the upper end, and several rectangular grooves 213 are provided at the lower end of the T-shaped connecting member 212 located at the lower end; when the upper and lower template groups are spliced, the rectangular grooves 213 of the upper and lower adjacent second inner panels 21 of the upper and lower template groups are aligned and can insert a connecting plate 3. The connecting plate 3 is parallel to the first plate body 111 and the second plate body 211 on both sides. The width of the rectangular groove 213 on the T-shaped connecting member 212 is greater than the thickness of the connecting plate 3, and the length of the two rectangular grooves 213 is less than the width of the connecting plate 3. When the upper and lower template groups are connected, the corresponding T-shaped connecting members 212 in the upper and lower template groups are in an aligned state. Therefore, it can be ensured that the second templates 2 in the upper and lower template groups can be kept in an aligned state, and when the second templates 2 are in an aligned state, the first template 1 can be tightened outward and also kept in an aligned state

[0048] Reference Figure 1 , a plurality of first welding studs 114 are welded on the outer sides of the first plate body 111 and the second plate body 211. A casting space is formed between the first plate body 111 and the second plate body 211. The first welding studs 114 extend into the casting space and are spaced from the first plate body 111 and the second plate body 211, so that the first welding studs 114 can form an anchoring connection with the post-cast concrete in the casting space and are in a tension state. The first welding studs 114 on the first plate body 111 and the first welding studs 114 on the second plate body 211 both extend into the casting space and are spaced from the opposite first plate body 111 and second plate body 211, and are in a staggered state. The cast concrete can form an anchoring connection with the first welding studs 114 after solidification, enhancing the connection strength between the first inner panel 11 and the second inner panel 21 and the solidified concrete.

[0049] In summary, compared with the prior art, the first embedded panel 11 and the second embedded panel 21 replace the steel reinforcement cage and mesh in the original formwork, increasing the strength and stiffness of the formwork. The concrete and the first stud 114 can be anchored to the concrete, realizing the strong connection of the normal tension, tangential shear resistance, and in-plane bending resistance of the wall shells of the two composite shear walls. The L-shaped connection component 112 and the T-shaped connecting piece 212 are connected to each other and can be positioned relative to each other. The connecting plate 3 can enhance the connection strength at the weak connection between the upper and lower formwork groups and position the formwork group for the upper layer during installation.

[0050] Furthermore, both the first formwork 1 and the second formwork 2 are concrete wall forms for modular integrated buildings. Referring to Figure 1 , the first formwork 1 and the second formwork 2 are specifically concrete wall panels on one side of a concrete unit in a modular integrated building, and the concrete unit is one of the units that make up a modular building. Therefore, the first formwork 1 and the second formwork 2 are concrete wall forms with a certain thickness and can form a wall through the connection of concrete.

[0051] Furthermore, the T-shaped connecting piece 212 includes a vertical plate parallel to the first plate body 111 and a horizontal plate fixed to the second plate body 211; a rectangular groove 213 is located on the horizontal plate, and a plurality of through holes are provided at the central position of the connecting plate 3 to allow horizontal steel bars to pass through. The T-shaped connecting plate 3 is composed of a vertical plate and a horizontal plate that are perpendicular to each other. The horizontal plate is vertically and fixedly connected to the second plate body 211 by welding, screwing, or clamping, etc., and a plurality of rectangular grooves 213 are provided on the horizontal plate for abutting against the connecting plate 3. When the upper and lower formwork groups are connected, the connecting plate 3 is located between the upper and lower formwork groups. Therefore, the plurality of through holes on the connecting plate 3 can allow horizontal steel bars to pass through, improving the connection strength between the first formwork 1 and the second formwork 2.

[0052] Furthermore, a plurality of first studs 114 are arranged in a matrix, and the distance between adjacent first studs 114 is in the range of 250 - 350 mm. The welding points of the first studs 114 are distributed in a regular grid layout according to rows and columns, forming a symmetric structure similar to a checkerboard, and the distance between adjacent first studs 114 is in the range of 250 - 350 mm, saving materials while ensuring the connection strength between the first studs 114 and the concrete.

[0053] Furthermore, the first embedded panel 11 further includes a plurality of second studs 115 welded to the inner side surface of the first plate body 111. The second studs 115 are embedded in the concrete wall, and the heads of the second studs 115 are away from the plate body; the second embedded panel 21 also includes a plurality of second studs 115 welded to the inner side surface of the first plate body 111. The head size of the second stud 115 is larger than other parts. Therefore, the second stud 115 can form an anchor with the first formwork 1 and the second formwork 2, and the connection strength is strong.

[0054] Further, a plurality of second stud bolts 115 are arranged in a matrix, and the distance between adjacent second stud bolts 115 is within the range of 350 - 450 mm, and the distance between adjacent second stud bolts 115 is greater than the distance between adjacent first stud bolts 114. The welding points of the second stud bolts 115 are distributed according to the regular grid layout of rows and columns, forming a symmetric structure similar to a checkerboard. The spacing between adjacent second stud bolts 115 is within the range of 350 - 450 mm, which ensures the connection strength between the second stud bolts 115 and the concrete while saving materials.

[0055] Further, when the concrete wall form is a single - limb wall, the number of embedded panels on one concrete wall is one; when the concrete wall form is a coupled - limb wall, the number of embedded panels on one concrete wall is equal to the number of wall limbs. When there is no need to open holes in the wall, the composite shear wall is a single - limb wall, and the entire composite shear wall uses only one embedded panel. When holes need to be opened in the composite shear wall, the composite shear wall is a coupled - limb wall and the entire embedded panel cannot be used. Therefore, the number of embedded panels is equal to the number of wall limbs.

[0056] Embodiment 2:

[0057] Refer to Figure 6 , Figure 6 which is the side view of Embodiment 2 of the present invention, in which the lower template group is partially shown. The present invention provides a construction method for a modular building formwork group, including a modular building formwork group, and further includes the following steps:

[0058] S1. Manufacture a first template 1 fixed with a first embedded panel 11 and a second template 2 fixed with a second embedded panel 21 in a factory respectively and transport them to the construction site;

[0059] S2. Complete the steel bar binding of the edge members and columns on one side of the first template 1 and the second template 2, place one of the first template 1 and the second template 2 at the designated position, hoist the other template and connect it with the previously placed template, connect it with the previously placed first template 1 or second template 2, so that the first template 1 and the second template 2 of the same layer are connected to each other. Snap the connecting plate 3 into the rectangular groove 213 at the top of the second template 2, complete the construction of the negative steel bars passing through the first template 1 and the second template 2. A pouring space is formed between the first template 1 and the second template 2, and concrete is poured into the pouring space to form a concrete wall panel;

[0060] S3. Hoist the first formwork 1 and the second formwork 2 of the upper layer. During the hoisting process, snap the connecting plate 3 into the rectangular groove 213 at the bottom end of the second formwork 2 of the upper layer, and align the T-shaped connecting piece 212 on the second formwork 2 of the upper layer with the corresponding T-shaped connecting piece 212 on the second formwork 2 of the lower layer, so that the upper and lower formwork groups are aligned. Complete the steel bar binding of the edge members and columns on one side in the first formwork 1 and the second formwork 2 of the upper layer. Snap the connecting plate 3 into the rectangular groove 213 at the top end of the second formwork 2 of the upper layer, and complete the construction of the negative steel bars passing through the first formwork 1 and the second formwork 2 of the upper layer. A casting space is formed between the first formwork 1 and the second formwork 2 of the upper layer, and concrete is poured into the casting space to form a concrete wall panel.

[0061] S4. Repeat the steps of S3 until the predetermined number of floors is reached.

[0062] Specifically, prefabricate in the factory. The products produced are the first formwork 1 fixed with the first embedded panel 11 and the second formwork 2 fixed with the second embedded panel 21. The first formwork 1 and the second formwork 2 are in a separated state, which is convenient for transportation. Transport the first formwork 1 fixed with the first embedded panel 11 and the second formwork 2 fixed with the second embedded panel 21 from the factory to the construction site. Precast the first formwork 1 and the second formwork 2 in the factory, which can reduce various pollutions generated by on-site production and processing, and has a fast forming speed and more guaranteed quality. The edge members on one side in the first formwork 1 and the second formwork 2 are the members only on one side of the first formwork 1 and only on one side of the second formwork 2. Hoist the first formwork 1 or the second formwork 2 to the designated position by a crane or a tower crane, etc. Hoist again later, and splice the remaining first formwork 1 or the second formwork 2 with the previously hoisted first formwork 1 or the second formwork 2. The connecting plate 3 abuts against the rectangular groove 213 located at the top end of the second formwork 2. Connect the first formwork 1 and the second formwork 2 by pouring concrete into the casting space. Hoist the second formwork 2 of the upper layer again, abut the rectangular groove 213 on the T-shaped connecting piece 212 of the upper layer against the connecting plate 3, and align the T-shaped connecting piece 212 on the upper layer with the T-shaped connecting piece 212 on the second formwork 2 of the lower layer. Therefore, the second formworks 2 in the upper and lower formwork groups can be aligned. After the first formwork 1 and the second formwork 2 of the upper layer are connected and tightened, they can be aligned with the first formwork 1 of the lower layer. Therefore, the connection of the L-shaped connection assembly 112 and the T-shaped connecting piece 212 can provide a positioning effect.

[0063] In summary, compared with the prior art, by manufacturing the first formwork 1 and the second formwork 2 in the factory, the installation of the formwork group for modular buildings can be completed only by splicing on site. Therefore, the construction efficiency is accelerated, energy is saved and the environment is protected. Moreover, the upper and lower formworks are connected by the connecting plate 3, which can quickly perform positioning and connection. Therefore, the structural stability is enhanced and the construction difficulty is reduced.

[0064] Further, in step S2, the first formwork 1 or the second formwork 2 is positioned according to the on-site snap line. The remaining first formwork 1 or second formwork 2 can be positioned and connected by using the L-shaped connecting component 112 or the T-shaped connecting piece 212. In the formwork group after pouring, the first formwork 1 and the second formwork 2 are connected by concrete. The negative reinforcement is horizontal steel bars, which pass through the through holes on the connecting plate 3. The specified position is specifically shown on the site by snap line. Since the negative reinforcement is horizontal steel bars, it passes through the through holes on the connecting plate 3, so that the floor slabs are connected into a whole in the horizontal direction, and the poured concrete can connect the first formwork 1 and the second formwork 2.

[0065] Further, in step S3, it is necessary to level the grout layer at the top of the lower formwork group, and then hoist the formwork group of the upper layer. The rectangular groove 213 of the upper layer is used for positioning the second formwork 2 of the upper layer. After the installation of the second formwork 2 is completed, the L-shaped connecting component 112 in the first formwork 1 of the upper layer can be connected to the T-shaped connecting piece 212 of the same layer to complete the positioning of the first formwork 1 of the upper layer. Before hoisting the formwork group of the upper layer, it is necessary to level the grout layer at the top of the lower formwork group to facilitate the placement and connection of the formwork group of the upper layer. The connection between the rectangular groove 213 and the connecting plate 3 can control whether the upper and lower formwork groups are aligned in the normal direction of the second formwork 2, and the alignment of the corresponding T-shaped connecting pieces 212 in the upper and lower formwork groups can control whether they are aligned in the direction parallel to the second formwork 2. Therefore, the connection between the L-shaped connecting component 112 and the T-shaped connecting piece 212 can complete the positioning of the upper and lower formwork groups.

[0066] Embodiment 3:

[0067] Refer to Figure 7 , Figure 7 For the structural schematic diagram of the first embedded plate 11, the difference between this embodiment and Embodiment 1 lies in the different arrangement forms of the first welding studs 114 and the second welding studs 115. Specifically, multiple first welding studs 114 are arranged in a plum blossom shape, and the distance between adjacent first welding studs 114 is in the range of 140 - 160 mm; multiple second welding studs 115 are arranged in a plum blossom shape, and the distance between adjacent second welding studs 115 is in the range of 140 - 160 mm. The plum blossom shape arrangement improves the structural stability and bearing capacity, and compared with the matrix arrangement, the plum blossom shape arrangement has better seismic performance and higher density.

[0068] In the description of the present invention, it should be understood that the terms "first" and "second" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly specifying the quantity of the indicated technical features. Thus, the features defined with "first" and "second" may explicitly or implicitly include one or more of such features. In the description of the present invention, "a plurality of" means two or more unless otherwise specifically defined.

[0069] In the present invention, unless otherwise clearly specified or limited, the terms "mounted", "connected", "coupled", "fixed", etc. shall be construed in a broad sense. For example, it may be a fixed connection, a detachable connection, or an integral body; it may be a mechanical connection or an electrical connection; it may be directly connected or indirectly connected through an intermediate medium; it may be the internal communication of two elements or the interaction relationship between two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0070] In the present invention, unless otherwise clearly specified or limited, when a first feature is "on" or "under" a second feature, it may be that the first and second features are in direct contact, or the first and second features are indirectly in contact through an intermediate medium. Moreover, when a first feature is "above", "over" and "on top of" a second feature, it may be that the first feature is directly above or obliquely above the second feature, or it merely means that the horizontal height of the first feature is higher than that of the second feature. When a first feature is "below", "beneath" and "underneath" a second feature, it may be that the first feature is directly below or obliquely below the second feature, or it merely means that the horizontal height of the first feature is lower than that of the second feature.

[0071] In the description of this specification, the descriptions of the terms "one embodiment", "some embodiments", "embodiment", "example", "specific example" or "some examples", etc. mean that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner. In addition, without contradiction, those skilled in the art can combine and combine the different embodiments or examples described in this specification and the features of different embodiments or examples.

[0072] Although the embodiments of the present invention have been shown and described above, it can be understood that the above embodiments are exemplary and should not be construed as limiting the present invention. Those of ordinary skill in the art can make changes, modifications, substitutions and variations to the above embodiments within the scope of the present invention.

Claims

1. A modular building template set, comprising a first template (1) and a second template (2) arranged in parallel and spaced apart, characterized in that: It also includes a first inner panel (11) fixed to the first template (1) and a second inner panel (21) fixed to the second template (2); The first embedded panel (11) comprises a first plate body (111) and a plurality of groups of L-shaped connection components (112) fixed to upper and lower ends of an outer side surface of the first plate body (111), each group of the L-shaped connection components (112) comprises two L-shaped connection pieces (113), one end of the two L-shaped connection pieces (113) are connected to the first plate body (111), the other ends extend towards each other with a spacing between the ends, and the two L-shaped connection pieces (113) and the first plate body (111) together form a T-shaped accommodating cavity; The second embedded plate (21) comprises a second plate body (211) and a plurality of T-shaped connectors (212) fixed to the upper and lower ends of the outer side surface of the first plate body (111), the head of the T-shaped connector (212) being detachably inserted into the T-shaped accommodating cavity and the insertion direction being the up-down direction, and the tail of the T-shaped connector (212) being fixedly connected to the second plate body (211); The upper end of the T-shaped connecting piece (212) located at the upper end of the second inner panel (21) is provided with a plurality of rectangular grooves (213), and the lower end of the T-shaped connecting piece (212) located at the lower end of the second inner panel (21) is provided with a plurality of rectangular grooves (213); When the upper and lower template groups are spliced, the rectangular grooves (213) of the two upper and lower adjacent second inner panels (21) of the upper and lower template groups are aligned and can be inserted with a connecting plate (3); A plurality of first welding nails (114) are welded on the outer surfaces of the first plate body (111) and the second plate body (211), and a casting space is formed between the first plate body (111) and the second plate body (211). The first welding nails (114) extend into the casting space and are spaced apart from the first plate body (111) and the second plate body (211), so that the first welding nails (114) can be anchored and connected with the post-cast concrete in the casting space and be in a tension state.

2. The modular building template set as claimed in claim 1, characterized in that: The first formwork (1) and the second formwork (2) are both concrete wall formworks used for modular integrated buildings.

3. The modular building template set as claimed in claim 2, characterized in that: The T-shaped connecting member (212) comprises a vertical plate parallel to the first plate body (111) and a horizontal plate fixed to the second plate body (211); The rectangular groove (213) is located on the transverse plate, and a plurality of through holes are provided at the central position of the connecting plate (3) so that transverse steel bars can pass through.

4. The modular building template set as claimed in claim 2, characterized in that: The plurality of first welding pins (114) are arranged in a matrix shape, and the distance between adjacent first welding pins (114) is within a range of 250-350 mm; or, The plurality of first welding nails (114) are arranged in a plum blossom shape, and the distance between adjacent first welding nails (114) (22) is within the range of 140-160 mm.

5. The modular building template set as claimed in claim 2, characterized in that: The first embedded panel (11) further comprises a plurality of second welding nails (115) welded on the inner side surface of the first panel body (111), the second welding nails (115) are pre-buried in the concrete wall, and the heads of the second welding nails (115) are away from the panel body; The second inner panel (21) further comprises a plurality of second welding pins (115) welded to the inner side surface of the first panel body (111).

6. The modular building template set as claimed in claim 2, characterized in that: The plurality of second welding nails (115) are arranged in a matrix shape, the distance between adjacent second welding nails (115) is within the range of 350-450 mm, and the distance between adjacent second welding nails (115) is greater than the distance between adjacent first welding nails (114); or, The plurality of second welding nails (115) are arranged in a plum blossom shape, and the distance between adjacent second welding nails (115) is within the range of 140-160 mm.

7. The modular building template set as claimed in claim 2, characterized in that: When the concrete wall form is a single-leg wall, the number of the first inner panel (11) or the second inner panel (21) on one concrete wall form is one; When the concrete wall form is a joint wall, the number of the first inner panels (11) or the second inner panels (21) on one concrete wall is equal to the number of wall limbs.

8. A method for constructing a modular building formwork assembly, comprising the modular building formwork assembly as claimed in claims 1 to 7, characterized in that: The steps include: S1, respectively manufacturing the first template (1) having the first inner panel (11) fixed thereto and the second template (2) having the second inner panel (21) fixed thereto in a factory and transporting them to a construction site; S2, completing the steel bar binding of the edge members and columns on one side of the first formwork (1) and the second formwork (2), placing one of the first formwork (1) and the second formwork (2) at a designated position, hoisting the other formwork to connect it with the previously placed formwork, so that the first formwork (1) and the second formwork (2) on the same layer are connected to each other, inserting the connecting plate (3) into the rectangular groove (213) at the top of the second formwork (2), completing the construction of the negative reinforcement passing through the first formwork (1) and the second formwork (2), forming the casting space between the first formwork (1) and the second formwork (2), and casting concrete into the casting space to form a concrete wall slab; S3, hoisting the first formwork (1) and the second formwork (2) of the previous layer, during the hoisting process, inserting the connecting plate (3) into the rectangular groove (213) at the bottom end of the second formwork (2) of the previous layer, and aligning the T-shaped connecting piece (212) of the second formwork (2) of the previous layer with the corresponding T-shaped connecting piece (212) on the second formwork (2) of the next layer, so that the upper and lower formwork groups are aligned, completing the steel bar binding of the edge members and columns on one side of the first formwork (1) and the second formwork (2) of the previous layer, inserting the connecting plate (3) into the rectangular groove (213) at the top end of the second formwork (2) of the previous layer, completing the construction of the negative reinforcement passing through the first formwork (1) and the second formwork (2) of the previous layer, forming the casting space between the first formwork (1) and the second formwork (2) of the previous layer, and casting concrete into the casting space to form a concrete wall panel; S4. Repeat step S3 until the predetermined floor number is reached.

9. The construction method of the modular building formwork assembly according to claim 8, characterized in that: In step S2, the first formwork (1) or the second formwork (2) is positioned and placed according to the on-site marking line, and the remaining first formwork (1) or the second formwork (2) can be positioned and connected using the L-shaped connecting component (112) or the T-shaped connecting component (212). After the pouring is completed, the first formwork (1) and the second formwork (2) are connected by the concrete in the formwork group, and the negative reinforcement is a transverse reinforcement that passes through the through hole on the connecting plate (3).

10. The construction method of the modular building formwork assembly according to claim 9, characterized in that: In step S3, it is necessary to level the top of the template group of the lower layer, and then hoist the template group of the upper layer. The rectangular groove (213) of the upper layer is used to position the second template (2) of the upper layer. After the installation of the second template (2) is completed, the L-shaped connecting component (112) in the first template (1) of the upper layer can be connected to the T-shaped connecting piece (212) of the same layer to complete the positioning of the first template (1) of the upper layer.

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