A connection node between a side wall and a middle plate of an assembled structure and a construction method thereof

Abstract

The present invention belongs to the technical field of building engineering, and specifically relates to a connection node between a side wall and a middle plate of an assembled structure, comprising a protective structure, a prefabricated middle plate, an upper prefabricated side wall and a lower prefabricated side wall; one end of the prefabricated middle plate is supported on the lower prefabricated side wall; a first connection piece is provided on the top of the lower prefabricated side wall, and a second connection piece is provided on the bottom of the upper prefabricated side wall, and the first connection piece is connected to the second connection piece through two connection steel plates arranged longitudinally along the assembled structure; a connection steel plate close to the prefabricated middle plate is connected to a third connection piece, and the third connection piece is partially embedded in the prefabricated middle plate; a post-cast-in-place structure is cast between the upper prefabricated side wall and the lower prefabricated side wall; and the construction method thereof is: hoisting the prefabricated middle plate, fixing the connection steel plate with the first connection piece, and installing a force transmission component; hoisting the upper prefabricated side wall, fixing the connection steel plate with the second connection piece; and casting the post-cast-in-place structure. The present invention can improve the strength of the connection node between the upper and lower side walls and the middle plate, and improve the integrity of the structure.

Description

Technical Field

[0001] The present invention belongs to the technical field of building engineering, and in particular relates to a connection node between a side wall and a middle plate of an assembled structure and a construction method thereof. Background Art

[0002] At present, most structures are constructed using cast-in-place reinforced concrete, which has a poor construction environment, complex procedures, and slow speed. It is greatly affected by various weather and climate factors, and the construction quality is difficult to guarantee due to the influence of many factors. At the same time, a lot of abandoned construction waste is generated during the construction process, which not only wastes resources but also pollutes the environment.

[0003] With the advancement of science and technology, the development of equipment manufacturing, and the transformation of industrial upgrading, more and more jobs are replaced by machines, high technology replaces labor-intensive work, and automatic control equipment replaces manual control. Structural components required in the field of construction engineering will gradually be mass-produced in factories and then transported to the site for assembly.

[0004] In order to solve the problems of cast-in-place construction, prefabricated structures are now used to transport prefabricated components to the site for assembly, thereby improving construction efficiency and component construction quality. However, the strength of the connection nodes between the side walls and the middle plate in the existing prefabricated structures is difficult to ensure, and the positioning of prefabricated components is prone to deviation. Summary of the invention

[0005] In order to overcome the shortcomings of the above-mentioned prior art, the purpose of the present invention is to provide a connection node and construction method for the side wall and middle plate of an assembled structure, which can avoid the problems of low construction efficiency of cast-in-place operations, complicated procedures, and difficulty in ensuring the construction quality of components, improve the assembly positioning accuracy of prefabricated components and the strength of the connection nodes, and shorten the construction period.

[0006] To achieve the above-mentioned purpose, the technical solution of the present invention is a connection node between the side wall and the middle plate of an assembled structure, comprising a retaining structure, a prefabricated middle plate, an upper prefabricated side wall and a lower prefabricated side wall; one end of the prefabricated middle plate is supported on the lower prefabricated side wall; a first connecting member is provided on the top of the lower prefabricated side wall, and a second connecting member is provided on the bottom of the upper prefabricated side wall, and the first connecting member is connected to the second connecting member through two connecting steel plates arranged longitudinally along the assembled structure; a third connecting member is connected to a connecting steel plate close to the prefabricated middle plate, and the third connecting member is partially embedded in the prefabricated middle plate; a post-cast-in-place structure is cast between the upper prefabricated side wall and the lower prefabricated side wall.

[0007] Furthermore, another connecting steel plate is connected to a supporting assembly, and the supporting assembly is against the enclosure structure; and the two connecting steel plates are connected by a force transmission assembly.

[0008] Furthermore, the third connecting member includes two embedded steel plates arranged opposite to each other up and down, one end of each embedded steel plate is connected to the connecting steel plate, and the other end is embedded in the prefabricated middle plate.

[0009] Furthermore, the force transmission assembly includes two force transmission steel plates arranged opposite to each other up and down; the two ends of the upper force transmission steel plate are respectively connected to the two connecting steel plates, and the two ends of the lower force transmission steel plate are connected to the first connecting piece; and the two force transmission steel plates are respectively flush with the two embedded steel plates.

[0010] Furthermore, the support assembly includes two first support steel plates arranged opposite to each other up and down and a second support steel plate resting on the enclosure structure, one end of each of the first support steel plates is connected to the connecting steel plate, and the other end is connected to the second support steel plate; and the two first support steel plates are respectively flush with the two force transmission steel plates.

[0011] Furthermore, the connecting steel plate includes a main board, an upper wing plate and a lower wing plate, the upper end and the lower end of the main board are respectively connected to the upper wing plate and the lower wing plate; the lower wing plate and the upper wing plate are respectively fixedly connected to the first connecting member and the second connecting member.

[0012] Furthermore, the first connecting member includes two first embedded components respectively connected to the two connecting steel plates, and the first embedded components include a plurality of first anchor bars arranged at intervals along the longitudinal direction of the assembled structure; the first anchor bar is partially embedded in the lower prefabricated side wall and partially extends out of the lower prefabricated side wall, and the portion of the first anchor bar extending out of the lower prefabricated side wall is provided with an external thread, and the first anchor bar passes through the lower wing plate and is locked by a nut.

[0013] Furthermore, the second connecting member includes two second embedded components respectively connected to the two connecting steel plates, and the second embedded components include a plurality of second anchor bars arranged at intervals along the longitudinal direction of the prefabricated structure; the second anchor bar is partially embedded in the upper prefabricated side wall and partially extends out of the upper prefabricated side wall, and the portion of the second anchor bar extending out of the upper prefabricated side wall is provided with an external thread, and the second anchor bar passes through the upper wing plate and is locked by a nut.

[0014] Furthermore, side wing plates are provided on both sides of the main board along the longitudinal direction of the assembled structure; and along the longitudinal direction of the assembled structure, adjacent side wing plates on two adjacent connecting steel plates are connected by bolts.

[0015] Furthermore, a connecting steel plate near the prefabricated middle plate is provided with an operating hole for extending between the two connecting steel plates to fix the two connecting steel plates to the second connecting members respectively and to fix two connecting steel plates adjacent to each other in the longitudinal direction of the assembled structure.

[0016] Furthermore, both ends of the upper prefabricated side wall are provided with casting grooves, and adjacent casting grooves on the upper prefabricated side walls adjacent in the longitudinal direction of the assembled structure are arranged opposite to each other and enclose a casting hole that passes through from top to bottom.

[0017] The present invention also provides a construction method for a connection node between a side wall and a middle plate of an assembled structure, comprising the following steps:

[0018] 1) Complete the construction of the preliminary enclosure structure and the lower prefabricated side wall;

[0019] 2) hoisting the prefabricated middle plate, placing one end of the prefabricated middle plate on the lower prefabricated side wall, and fixing the connecting steel plate connected to the third connecting piece embedded on the prefabricated middle plate and the first connecting piece on the lower prefabricated side wall;

[0020] 3) placing the support assembly against the enclosure structure, and fixing the connecting steel plate connected to the support assembly to the first connecting piece on the lower prefabricated side wall;

[0021] 4) Install the force transmission component between the two connecting steel plates;

[0022] 5) Hoist the upper prefabricated side wall and accurately position the second connecting piece at the bottom of the upper prefabricated side wall and the two connecting steel plates;

[0023] 6) fixing two connecting steel plates to the second connecting member respectively through the operating hole on a connecting steel plate close to the prefabricated middle plate and fixing two connecting steel plates adjacent to each other in the longitudinal direction of the assembled structure;

[0024] 7) Pour concrete between the upper precast side wall and the lower precast side wall through the pouring hole formed by the adjacent upper precast side walls until the pouring hole is filled with concrete.

[0025] Compared with the prior art, the present invention has the following beneficial effects:

[0026] (1) The upper and lower side walls and the middle plate of the connection node between the side wall and the middle plate of the prefabricated structure provided by the present invention are all prefabricated and assembled after being transported to the site, which can improve production efficiency, improve building quality, save labor, etc., and the sizes of the upper and lower prefabricated side walls and the prefabricated middle plate are standardized, which is conducive to industrialization;

[0027] (2) The connection nodes between the side walls and the middle plate of the prefabricated structure provided by the present invention are provided with connecting parts on the upper prefabricated side wall, the lower prefabricated side wall and the prefabricated middle plate, and the connecting parts on the upper prefabricated side wall, the lower prefabricated side wall and the prefabricated middle plate are connected by connecting steel plates, thereby improving the strength of the connection nodes between the upper and lower side walls and the middle plate, thereby improving the integrity and building quality of the prefabricated structure;

[0028] (3) The connection node between the side wall and the middle plate of the prefabricated structure provided by the present invention places the support assembly connected to the connecting steel plate against the enclosure structure, and at the same time connects the two connecting steel plates through a force transmission assembly to reduce stress concentration;

[0029] (4) The connection node between the side wall and the middle plate of the prefabricated structure provided by the present invention and the construction method thereof have high assembly accuracy and high on-site construction efficiency, which can effectively shorten the construction period;

[0030] (5) The present invention arranges adjacent casting grooves on adjacent upper prefabricated side walls relatively to form a casting hole that passes through from top to bottom, and casts the cast-in-place structure between the upper prefabricated side wall and the lower prefabricated side wall through the casting hole, thereby simplifying the construction process. At the same time, the cast-in-place structure is cast in the casting hole, so that the connection points of adjacent prefabricated side walls all adopt cast-in-place "wet nodes", thereby improving the integrity of the prefabricated structure. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0032] Figure 1 A schematic diagram of a lower prefabricated side wall of a connection node between a side wall and a middle plate of an assembled structure provided by an embodiment of the present invention;

[0033] Figure 2 A schematic diagram of assembling a prefabricated middle plate and a connecting steel plate at a connection node between a side wall and a middle plate of an assembled structure provided by an embodiment of the present invention;

[0034] Figure 3 A schematic diagram of assembling a force transmission component of a connection node between a side wall and a middle plate of an assembled structure provided by an embodiment of the present invention;

[0035] Figure 4 A schematic diagram of the installation of the upper prefabricated side wall of the connection node between the side wall and the middle plate of the assembled structure provided by an embodiment of the present invention;

[0036] Figure 5 A schematic diagram of a structure of a connection node between a side wall and a middle plate of an assembled structure provided in an embodiment of the present invention;

[0037] Figure 6 A side view of a connection node between a side wall and a middle plate of an assembled structure provided in an embodiment of the present invention;

[0038] Figure 7 A top view of a side wall of a connection node between a side wall and a middle plate of an assembled structure provided by an embodiment of the present invention;

[0039] In the figure: 1. lower precast side wall, 11. first anchor bar, 12. corbel, 2. upper precast side wall, 21. second anchor bar, 22. casting hole, 3. precast middle plate, 31. embedded steel plate, 4. enclosure structure, 5. connecting steel plate, 51. main plate, 52. upper wing plate, 53. lower wing plate, 54. side wing plate, 55. operation hole, 6. force transmission assembly, 61. force transmission steel plate, 7. support assembly, 71. first support steel plate, 72. second support steel plate, 8. post-cast-in-place structure, 9. nuts, 10. bolts. DETAILED DESCRIPTION

[0040] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0041] In the description of the present invention, it should be understood that the terms "center", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship are based on the orientation or position relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0042] The terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features; in the description of the present invention, unless otherwise specified, "plurality" means two or more.

[0043] Embodiment 1

[0044] like Figure 1-Figure 2As shown, an embodiment of the present invention provides a connection node between the side wall and the middle plate of an assembled structure, comprising a retaining structure 4, a prefabricated middle plate 3, an upper prefabricated side wall 2 and a lower prefabricated side wall 1; one end of the prefabricated middle plate 3 is supported on the lower prefabricated side wall 1; a first connecting member is provided on the top of the lower prefabricated side wall 1, and a second connecting member is provided on the bottom of the upper prefabricated side wall 2, the first connecting member is connected to the second connecting member through two connecting steel plates 5 arranged longitudinally along the assembled structure, a third connecting member is connected to a connecting steel plate 5 close to the prefabricated middle plate, and the third connecting member is partially embedded in the prefabricated middle plate 3; a post-cast-in-place structure 8 is cast between the upper prefabricated side wall 2 and the lower prefabricated side wall 1. The two connecting steel plates 5 of the present embodiment are arranged relatively to each other, and the upper prefabricated side wall 2 and the lower prefabricated side wall 1 are positioned and connected by the two connecting steel plates 5. At the same time, the third connecting piece connected to a connecting steel plate 5 close to the prefabricated middle plate is partially embedded in the prefabricated middle plate 3, so as to realize the positioning connection of the prefabricated middle plate 3, the upper prefabricated side wall 2 and the lower prefabricated side wall 1. The connecting nodes of the present embodiment can improve the strength of the connecting nodes between the upper and lower side walls and the middle plate, improve the integrity and construction quality of the prefabricated structure, and have high assembly precision and high on-site construction efficiency, which can effectively shorten the construction period.

[0045] Furthermore, another connecting steel plate 5 is connected with a supporting assembly 7, which is against the enclosure structure 4, and the two connecting steel plates 5 are connected by a force transmission assembly 6. This embodiment reduces the stress concentration phenomenon of the middle plate by using the third connecting member, the force transmission assembly 6 and the supporting assembly 7.

[0046] Furthermore, the third connecting member includes two embedded steel plates 31 arranged opposite to each other in the upper and lower parts, one end of each embedded steel plate 31 is connected to a connecting steel plate 5 close to the prefabricated middle plate, and the other end is embedded in the prefabricated middle plate 3. The third connecting member of this embodiment can be prefabricated integrally with a connecting steel plate 5 close to the prefabricated middle plate, such as Figure 4 As shown, one end of the two embedded steel plates 31 embedded in the prefabricated middle plate 3 can be connected by a vertical steel plate.

[0047] Furthermore, the force transmission component 6 includes two force transmission steel plates 61 arranged opposite to each other in an upper and lower manner; the two ends of the upper force transmission steel plate 61 are respectively connected to the two connecting steel plates 5, and the two ends of the lower force transmission steel plate 61 are respectively connected to the first connecting member; and the two force transmission steel plates 61 are respectively flush with the two embedded steel plates 31, which is beneficial to stress transfer and reduces stress concentration.

[0048] Furthermore, the support assembly 7 includes two first support steel plates 71 arranged opposite to each other in the upper and lower directions and a second support steel plate 72 abutting against the enclosure structure 4. One end of each first support steel plate 71 is connected to the remote connection steel plate 5, and the other end is connected to the second support steel plate 72; and the two first support steel plates 71 are flush with the two force transmission steel plates 61 respectively. Figure 4As shown, the support assembly 7 of this embodiment can be prefabricated integrally with the connecting steel plate 5 on the left; the two first support steel plates 71 of this embodiment are flush with the two force transmission steel plates 61 respectively, and are abutted against the enclosure structure 4 through the second support steel plate 72, which is beneficial to stress transfer.

[0049] Furthermore, the connecting steel plate 5 includes a main plate 51, an upper wing plate 52 and a lower wing plate 53. The upper end and the lower end of the main plate 51 are respectively connected to the upper wing plate 52 and the lower wing plate 53; the lower wing plate 53 and the upper wing plate 52 are respectively fixedly connected to the first connecting member and the second connecting member. In this embodiment, the upper wing plate 52 and the lower wing plate 53 are respectively provided with through holes for the plurality of second anchor bars 21 and the plurality of first anchor bars 11 to pass through.

[0050] Furthermore, the first connecting member includes two first embedded components respectively connected to the two connecting steel plates, and the first embedded components include a plurality of first anchor bars 11 spaced apart in the longitudinal direction of the prefabricated structure; the first anchor bar 11 is partially embedded in the lower prefabricated side wall 1, and partially extends out of the lower prefabricated side wall 1, and the portion of the first anchor bar 11 extending out of the lower prefabricated side wall 1 is provided with an external thread, and the first anchor bar 11 passes through the lower wing plate 53 and is locked by the nut 9. Further, the second connecting member includes two second embedded components respectively connected to the two connecting steel plates, and the second embedded components include a plurality of second anchor bars 21 spaced apart in the longitudinal direction of the prefabricated structure; the second anchor bar 21 is partially embedded in the upper prefabricated side wall 2, and partially extends out of the upper prefabricated side wall 2, and the portion of the second anchor bar 21 extending out of the upper prefabricated side wall 2 is provided with an external thread, and the second anchor bar 21 passes through the upper wing plate 52 and is locked by the nut 9. Figure 4-Figure 6 As shown, the two first embedded components and the two second embedded components of this embodiment are arranged correspondingly up and down, and the upper end of the first anchor bar 11 and the lower end of the second anchor bar 21 are both provided with external threads, and the lower wing plate 33 and the upper wing plate 32 are respectively provided with through holes for the first anchor bar 11 and the second anchor bar 21 to pass through, and the through holes correspond to the anchor bars one by one; after the first anchor bar 11 passes through the through hole on the lower wing plate 33, the nut 9 is screwed on, and after the second anchor bar 21 passes through the upper wing plate 32, the nut 9 is screwed on to realize the positioning connection between the lower prefabricated side wall 1 and the upper prefabricated side wall 2 through the connecting steel plate 5, thereby improving the assembly efficiency and shortening the construction period.

[0051] Optimally, such as Figure 3 As shown, one end of each first anchor bar 11 embedded in the lower prefabricated side wall 1 is bent to form an anchor hook, further increasing the bonding strength between the first anchor bar 11 and the lower prefabricated side wall 1; one end of each second anchor bar 21 embedded in the upper prefabricated side wall 2 is bent to form an anchor hook, further increasing the bonding strength between the second anchor bar 21 and the base plate 2.

[0052] like Figure 4As shown, in this embodiment, a through hole for the first anchor bar 11 to pass through is provided on the force transmission steel plate 61 located at the bottom. The first anchor bar 11 first passes through the through hole on the lower wing plate 53 and is fixed by the nut 9, and then passes through the through hole on the force transmission steel plate 61 and is fixed by the nut 9, and the two ends of the force transmission steel plate 61 located at the bottom are respectively abutted against the two connecting steel plates 5; the force transmission steel plate 61 located at the top can be C-shaped, and its two sides are respectively connected to the two connecting steel plates 5 by bolts 10.

[0053] Furthermore, side wing plates 54 are provided on both sides of the main plate 51 along the longitudinal direction of the assembled structure; and along the longitudinal direction of the assembled structure, adjacent side wing plates 54 on two adjacent connecting steel plates 5 are connected by bolts 10. Figure 6 and Figure 7 As shown, the upper side wall of this embodiment is composed of multiple upper prefabricated side walls 2 assembled along the longitudinal direction of the assembled structure, and two connecting steel plates 5 are connected below each upper prefabricated side wall 2, and the side wing plates 54 of each connecting steel plate 5 are provided with through holes for bolts 10 to pass through, and the adjacent side wing plates 54 on two adjacent connecting steel plates 5 in the longitudinal direction of the assembled structure are connected by bolts 10, further improving the integrity of the side wall. The lower side wall of this embodiment is composed of multiple lower prefabricated side walls 1 assembled along the longitudinal direction of the assembled structure, and its assembly and connection method can be the same as that of the upper side wall described above.

[0054] Furthermore, a main plate 51 of a connecting steel plate 5 close to the prefabricated middle plate is provided with an operation hole 55 for extending between the two connecting steel plates 5 to respectively fix the two connecting steel plates 5 to the two second embedded components and to fix two connecting steel plates 5 adjacent to each other in the longitudinal direction of the assembled structure. Figure 6 As shown, in this embodiment, an operation hole 55 is set on the upper part of a connecting steel plate 5 close to the prefabricated middle plate. After the force transmission component is installed, the upper prefabricated side wall 2 is hoisted, and the second anchor bar 21 of the upper prefabricated side wall 2 passes through the corresponding through hole on the upper wing plate 52, and the upper prefabricated side wall 2 is positioned. At this time, the manipulator can enter between the two connecting steel plates 5 through the operation hole 55, and screw the nut 9 on the end of the second anchor bar 21 passing through the upper wing plate 52 to fix the second anchor bar 21 to the connecting steel plate 5, thereby improving the connection strength between the upper prefabricated side wall 2 and the lower prefabricated side wall 1. At the same time, the two adjacent side wing plates 54 of the two adjacent connecting steel plates 5 in the longitudinal direction of the assembled structure are fixed with bolts 10 to improve the connection strength between the adjacent prefabricated side walls, thereby improving the integrity of the assembled structure.

[0055] Furthermore, if Figure 7As shown, both ends of the upper prefabricated side wall 2 are provided with casting grooves, and the adjacent casting grooves on the adjacent upper prefabricated side walls 2 in the longitudinal direction of the assembled structure are arranged relatively and enclose a casting hole 22 that passes through from top to bottom. Through the casting hole 22, concrete can be poured between the upper prefabricated side wall 2 and the lower prefabricated side wall 1 to complete the connection between the side wall and the middle plate. At the same time, concrete is poured in the casting hole to complete the construction of the cast-in-place wet node between the prefabricated side walls, thereby improving the integrity of the side wall. The casting hole 22 of this embodiment can be of various shapes. Preferably, the cross-section of the casting hole 22 is rectangular, circular, hexagonal or octagonal. At this time, the casting grooves at both ends of the upper prefabricated side wall 2 are symmetrically arranged, and the two adjacent upper prefabricated side walls 2 can enclose the casting hole 22 when assembled, so that the size of the upper prefabricated side wall 2 can be standardized, which reduces the design workload, improves production efficiency, and is conducive to industrialization. The lower prefabricated side wall 1 of this embodiment can adopt the same structural form as the upper prefabricated side wall 2.

[0056] Embodiment 2

[0057] like Figure 1-7 As shown, the present invention also provides a construction method for the connection node between the side wall and the middle plate of the above-mentioned prefabricated structure, comprising the following steps:

[0058] 1) Complete the construction of the preliminary enclosure structure 4 and the lower prefabricated side wall 1;

[0059] 2) hoisting the prefabricated middle plate 3, placing one end of the prefabricated middle plate 3 on the lower prefabricated side wall 1, and fixing the connecting steel plate 5 connected to the third connecting member embedded on the prefabricated middle plate 3 to a first embedded component on the lower prefabricated side wall 1 close to the prefabricated middle plate, specifically, making the first anchor bar 11 close to the prefabricated middle plate pass through the corresponding through hole on the lower wing plate 53 of the connecting steel plate 5 connected to the embedded steel plate 31, and then screwing on the nut 9;

[0060] 3) Place the support assembly 7 against the enclosure structure 4, and fix the connecting steel plate 5 connected to the support assembly 7 to another first embedded assembly on the lower prefabricated side wall 1, specifically, make another group of first anchor bars 11 pass through the corresponding through holes on the lower wing plate 53 of the connecting steel plate 5 connected to the support assembly 7, and then screw on the nuts 9;

[0061] 4) Install the force transmission assembly 6 between the two connecting steel plates 5, first install the lower force transmission steel plate 61, and fix the first anchor bar 11 upward through the through hole on the force transmission steel plate 61 through the nut 9; then install the upper force transmission steel plate 61, and fix the two ends of the force transmission steel plate 61 to the two connecting steel plates 5 through bolts 10 respectively;

[0062] 5) hoisting the upper prefabricated side wall 2, and accurately positioning the two second embedded components at the bottom of the upper prefabricated side wall 2 with the two connecting steel plates 5, specifically, making the second anchor bar 22 at the bottom of the upper prefabricated side wall 2 pass through the corresponding through holes on the upper wing plate 52 of the connecting steel plate 5;

[0063] 6) The manipulator enters between the two connecting steel plates 5 through the operation hole 55 on a connecting steel plate 5 close to the prefabricated middle plate, and respectively passes the two connecting steel plates 5 through the second anchor bars 22 at the bottom of the upper prefabricated side wall 2, and then screws on the nuts 9, and at the same time, fixes the two adjacent side wing plates 54 of the two adjacent connecting steel plates 5 in the longitudinal direction of the assembled structure with bolts 10;

[0064] 7) Pour concrete between the upper precast side wall 2 and the lower precast side wall 1 through the pouring holes 22 formed by the adjacent upper precast side walls 2 until the pouring holes 22 are filled with concrete, completing the construction of the connection node between the side wall and the middle plate.

[0065] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A connection node between a side wall and a middle plate of an assembled structure, characterized in that: It includes a retaining structure, a prefabricated middle plate, an upper prefabricated side wall and a lower prefabricated side wall; one end of the prefabricated middle plate is supported on the lower prefabricated side wall; a first connecting piece is provided on the top of the lower prefabricated side wall, and a second connecting piece is provided on the bottom of the upper prefabricated side wall, and the first connecting piece is connected to the second connecting piece through two connecting steel plates arranged longitudinally along the assembled structure; a connecting steel plate close to the prefabricated middle plate is connected with a third connecting piece, and the third connecting piece is partially embedded in the prefabricated middle plate; a post-cast-in-situ structure is cast between the upper prefabricated side wall and the lower prefabricated side wall; a supporting assembly is connected to the other connecting steel plate, and the supporting assembly rests on the retaining structure; and the two connecting steel plates are connected by a force transmission assembly.

2. A connection node between a side wall and a middle plate of a prefabricated structure according to claim 1, characterized in that: The third connecting member comprises two embedded steel plates arranged opposite to each other up and down, one end of each embedded steel plate is connected to the connecting steel plate, and the other end is embedded in the prefabricated middle plate.

3. A connection node between a side wall and a middle plate of a prefabricated structure according to claim 2, characterized in that: The force transmission assembly comprises two force transmission steel plates arranged opposite to each other in an upper and lower direction; the two ends of the force transmission steel plate located at the upper side are respectively connected to the two connecting steel plates, and the two ends of the force transmission steel plate located at the lower side are connected to the first connecting member; and The two force-transmitting steel plates are flush with the two embedded steel plates respectively.

4. A connection node between a side wall and a middle plate of a prefabricated structure according to claim 3, characterized in that: The support assembly includes two first support steel plates arranged opposite to each other up and down and a second support steel plate resting on the enclosure structure, one end of each of the first support steel plates is connected to the connecting steel plate, and the other end is connected to the second support steel plate; and the two first support steel plates are respectively flush with the two force transmission steel plates.

5. The connection node between the side wall and the middle plate of the assembled structure according to claim 1, characterized in that: The connecting steel plate includes a main board, an upper wing plate and a lower wing plate, the upper end and the lower end of the main board are respectively connected to the upper wing plate and the lower wing plate; the lower wing plate and the upper wing plate are respectively fixedly connected to the first connecting member and the second connecting member.

6. A connection node between a side wall and a middle plate of a prefabricated structure according to claim 5, characterized in that: The first connecting member includes two first embedded components respectively connected to the two connecting steel plates, and the first embedded components include a plurality of first anchor bars spaced apart in the longitudinal direction of the assembled structure; The first anchor bar is partially embedded in the lower prefabricated side wall and partially extends out of the lower prefabricated side wall, and the portion of the first anchor bar extending out of the lower prefabricated side wall is provided with an external thread. The first anchor bar passes through the lower wing plate and is locked by a nut.

7. The connection node between the side wall and the middle plate of the assembled structure according to claim 5, characterized in that: The second connecting member includes two second embedded components respectively connected to the two connecting steel plates, and the second embedded components include a plurality of second anchor bars spaced apart in the longitudinal direction of the assembled structure; The second anchor bar is partially embedded in the upper prefabricated side wall and partially extends out of the upper prefabricated side wall, and the portion of the second anchor bar extending out of the upper prefabricated side wall is provided with an external thread. The second anchor bar passes through the upper wing plate and is locked by a nut.

8. The connection node between the side wall and the middle plate of the assembled structure according to claim 5, characterized in that: Side wing plates are provided on both sides of the main board along the longitudinal direction of the assembled structure; and along the longitudinal direction of the assembled structure, adjacent side wing plates on two adjacent connecting steel plates are connected by bolts.

9. The connection node between the side wall and the middle plate of the assembled structure according to claim 1, characterized in that: A connecting steel plate near the prefabricated middle plate is provided with an operating hole for extending between the two connecting steel plates to fix the two connecting steel plates to the second connecting pieces respectively and to fix two connecting steel plates adjacent to each other in the longitudinal direction of the assembled structure.

10. The connection node between the side wall and the middle plate of the assembled structure according to claim 1, characterized in that: Both ends of the upper prefabricated side wall are provided with casting grooves, and adjacent casting grooves on the upper prefabricated side walls adjacent in the longitudinal direction of the assembled structure are arranged opposite to each other and enclose a casting hole that passes through from top to bottom.

11. A construction method for the connection node between the side wall and the middle plate of an assembled structure, characterized in that: The steps include: 1) Complete the construction of the preliminary enclosure structure and the lower prefabricated side wall; 2) hoisting the prefabricated middle plate, placing one end of the prefabricated middle plate on the lower prefabricated side wall, and fixing the connecting steel plate connected to the third connecting piece embedded on the prefabricated middle plate and the first connecting piece on the lower prefabricated side wall; 3) placing the support assembly against the enclosure structure, and fixing the connecting steel plate connected to the support assembly to the first connecting piece on the lower prefabricated side wall; 4) Install the force transmission component between the two connecting steel plates; 5) Hoist the upper prefabricated side wall and accurately position the second connecting piece at the bottom of the upper prefabricated side wall and the two connecting steel plates; 6) fixing two connecting steel plates to the second connecting member respectively through the operating hole on a connecting steel plate close to the prefabricated middle plate and fixing two connecting steel plates adjacent to each other in the longitudinal direction of the assembled structure; 7) Pour concrete between the upper precast side wall and the lower precast side wall through the pouring hole formed by the adjacent upper precast side walls until the pouring hole is filled with concrete.

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