Integrally-assembled external wall panel and construction method

Abstract

The invention discloses an integrated assembly external wall panel and a construction method, the integrated assembly external wall panel comprises a structure layer, a heat preservation layer and a decoration layer which are sequentially arranged from inside to outside, and the integrated assembly external wall panel is connected with a main body structure beam plate through embedded bolts and connecting pieces; wherein an embedded bolt is arranged in the structure layer, the connecting piece is embedded in a main body structure beam plate, and the embedded bolt is fixedly connected with the connecting piece through a connecting nut of the connecting piece. According to the method, stable connection of the building outer wall and the main body structure and the waterproof effect of the abutted seam are guaranteed, meanwhile, the problem of cold and hot bridges at the abutted seam is avoided, the mounting precision and construction efficiency of the fabricated wallboard are improved, and the total cost is reduced.

Description

TECHNICAL FIELD

[0001] The application belongs to the field of building construction, and particularly relates to an integrated assembly outer wall panel and a construction method. BACKGROUND

[0002] With the rapid development of industrialized building technology, various commercial and residential buildings are built in large cities. As the main enclosure structure for satisfying the functions of wind-shielding, rain-shielding and decoration, the traditional masonry structure is used as the wall body, and the construction period is long, and a large number of construction personnel are required for the construction of the later construction of the insulation and decoration layers.

[0003] The assembly building technology is widely used in various buildings due to its high construction efficiency, short construction period, stable and safe quality, green environmental protection and sustainable development, high material utilization rate and low labor rate. The assembly technology is to process according to the design requirements in the factory, and then transport to the site for assembly. The assembly joint gap is a slot joint, and the connection is closed by the post-pouring method.

[0004] The assembly outer wall panel is a vertical component, and how to effectively connect and fix the main structure is one of the current problems. The integrated assembly outer wall panel includes a structure layer, an insulation layer and a decoration layer. When the post-pouring method is used at the joint gap, the construction quality of the joint gap is difficult to guarantee due to the influence of the cold-heat bridge at the connection. Meanwhile, the assembly outer wall panel joint gap includes a vertical joint gap and a horizontal joint gap. At present, the horizontal joint gap is solved by using a tongue and groove slot in a way that the convex part is below and the concave part is above. However, the waterproof effect of the vertical joint gap is not ideal due to the direction. SUMMARY

[0005] The application aims to solve the problems of long construction period, high labor rate of the building outer wall, the connection problem of the assembly wall panel and the main structure, the installation precision problem, the cold-heat bridge and waterproof problem of the post-pouring method at the joint gap, and discloses an integrated assembly outer wall panel and a construction method. The application guarantees the stable connection of the building outer wall and the main structure, the waterproof effect of the joint gap, avoids the problem of the cold-heat bridge at the joint gap, and improves the installation precision, construction efficiency and overall cost of the assembly wall panel.

[0006] The application is achieved by the following technical scheme: An integrated assembly outer wall panel, which comprises a structure layer, an insulation layer and a decoration layer arranged in sequence from inside to outside, and is connected with a main structure beam plate through a pre-buried bolt and a connecting piece. The structure layer is provided with the pre-buried bolt, the connecting piece is pre-buried in the main structure beam plate, and the pre-buried bolt is connected and fixed with the connecting piece through the connecting nut of the connecting piece.

[0007] According to a preferred embodiment, the embedded bolt comprises a screw rod and a head plate, the screw rod is fixedly connected with the head plate, and the head plate is embedded in the structural layer, and the screw rod is arranged to protrude from the structural layer; When the embedded bolt is fixedly connected with the connecting piece, the connecting nut movably arranged at the connecting end of the connecting piece is twisted to realize the fixed connection of the screw rod and the connecting piece.

[0008] According to a preferred embodiment, the connecting piece comprises a U-shaped bolt, a conversion steel plate and a connecting screw rod, the U-shaped end of the U-shaped bolt is embedded in the main body structure beam plate, the conversion steel plate is provided with bolt holes at both ends to realize the fixed connection with the U-shaped bolt; the middle part of the conversion steel plate is provided with an adjusting hole, the connecting screw rod is fixed in the adjusting hole, and the end of the connecting screw rod is provided with a connecting nut which can be twisted and cannot be separated.

[0009] According to a preferred embodiment, the connecting screw rod can be telescoped relative to the adjusting hole to realize the distance adjustment of the integrated assembly external wall plate relative to the main body structure beam plate.

[0010] According to a preferred embodiment, the integrated assembly external wall plate is provided with a tongue-and-groove slot around the periphery to complete the splicing of adjacent integrated assembly external wall plates.

[0011] According to a preferred embodiment, the integrated assembly external wall plate is provided with a splicing rod at the position of the structure layer corresponding to the tongue-and-groove slot of the upper tongue-and-groove / left tongue-and-groove, one end of the splicing rod is embedded into the structure layer, and the other end is provided with a bolt hole, the integrated assembly external wall plate is provided with a reserved hole at the position of the structure layer corresponding to the lower tongue-and-groove / right tongue-and-groove; When the adjacent integrated assembly external wall plates are spliced and connected, the splicing rod is inserted into the reserved hole and fixed between the two plate bodies by the insertion of the fastening bolt into the bolt hole.

[0012] According to a preferred embodiment, the thermal insulation layer at the position of the tongue-and-groove slot corresponding to the upper tongue-and-groove / left tongue-and-groove of the integrated assembly external wall plate is provided with a semicircular groove; the waterproof card is arranged at the position of the decorative layer corresponding to the lower tongue-and-groove / right tongue-and-groove of the integrated assembly external wall plate, When the adjacent integrated assembly external wall plates are spliced and connected, the waterproof card is arranged in the semicircular groove.

[0013] According to a preferred embodiment, the end of the waterproof card is provided with a water-swelling rubber, and the root of the waterproof card is provided with a spring.

[0014] According to a preferred embodiment, the thermal insulation layer and the decorative layer at the tongue-and-groove groove are edge-sealed with aluminum plates.

[0015] The application also discloses: A construction method of an integrated assembly external wall panel, the construction method of the integrated assembly external wall panel comprises: S1: constructing a main body structure column and a main body structure beam plate, and simultaneously embedding U-shaped bolts; S2: producing the integrated assembly external wall panel in a factory, and simultaneously arranging embedded bolts, jointing rods and reserved holes in a structure layer; S3: performing secondary processing on the produced integrated assembly external wall panel, first arranging tongue-and-groove grooves on four sides, then arranging waterproof clamps at the positions of the decorative layers at the lower tongue-and-groove and the right tongue-and-groove, and opening semicircular grooves at the positions of the thermal insulation layers at the upper tongue-and-groove and the left tongue-and-groove; S4: performing edge-sealing processing on the thermal insulation layer and the decorative layer of the tongue-and-groove groove of the integrated assembly external wall panel by using aluminum plates; S5: transporting the integrated assembly external wall panel into a site, rechecking positions of the external wall panel and embedded parts, then installing conversion steel plates, connecting nuts and connecting rods to complete assembly of connecting parts; S6: hoisting the integrated assembly external wall panel to an installation position, correcting a position of the external wall panel, then abutting and clamping the tongue-and-groove, in the clamping process, the waterproof clamps are pressed, springs are lowered, the waterproof clamps are moved to the semicircular grooves and then automatically pop out, and the semicircular grooves are clamped; S7: adjusting the conversion steel plates and the connecting rods, performing secondary position rechecking and correction, after the position rechecking and correction are completed, fastening bolts on the connecting parts and fastening bolts at the reserved holes, and finally filling sealant into the jointing groove to complete sealing; S8: repeating steps S5-S7 to complete installation of all the integrated assembly external wall panels.

[0016] The foregoing main scheme of the application and each further selected scheme thereof can be freely combined to form multiple schemes, all of which are schemes that can be adopted and claimed by the application. Those skilled in the art can understand, based on the prior art and common knowledge, that there are multiple combinations after understanding the schemes of the application, and all of the combinations are the technical schemes claimed by the application, and thus are not listed exhaustively.

[0017] The application has the following beneficial effects: The integrated assembly external wall panel comprises a structure layer, a thermal insulation layer and a decorative layer, avoids multiple labor inputs for construction of thermal insulation and decoration in the later stage, effectively shortens a construction period and reduces power consumption; The tongue-and-groove jointing mode avoids the influence of cold-heat bridges generated by post-pouring on jointing quality, and the jointing rods arranged in the structure layer improve the connecting strength at the jointing positions; By pre-embedding U-bolts in the main structure and bolts in the integrated prefabricated exterior wall panel structure layer, and setting adjustable connecting bolts, the connection quality between the prefabricated wall panels and the main structure is ensured, and the assembly accuracy of the prefabricated wall panels is improved. The application of aluminum plate edge sealing in the tongue and groove, waterproof clips, and sealant at the joints effectively solves the waterproofing problem at the joints. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the integrated assembled exterior wall panel installation of this application; Figure 2 This is a schematic diagram of the connector structure in this application; Figure 3 This is a schematic diagram of the integrated assembled exterior wall panel structure of this application; Figure 4 This is a schematic diagram of the pre-embedded bolts in the integrated assembled exterior wall panel of this application; Figure 5 This is a structural diagram of the joints of the integrated prefabricated exterior wall panels in this application; Figure 6 This is a schematic diagram of the splicing joints of the integrated prefabricated exterior wall panels after installation. Figure 7 This is a flowchart of the installation process for the integrated prefabricated exterior wall panels in this application; Among them, 1-main structural column, 2-main structural beam and slab, 3-integrated assembled exterior wall panel, 31-structural layer, 32-insulation layer, 33-decorative layer, 4-connector, 41-U-bolt, 42-conversion steel plate, 43-connecting nut, 44-connecting screw, 5-embedded bolt, 51-screw, 52-end plate, 6-tongue and groove, 7-lower tongue and groove / right tongue and groove, 8-upper tongue and groove / left tongue and groove, 9-joint rod, 91-bolt hole, 10-reserved hole, 101-fastening bolt, 11-water-swellable rubber, 12-waterproof clip, 13-spring, 14-thin aluminum plate, 15-sealant, 16-semi-circular groove. Detailed Implementation

[0019] The following specific examples illustrate the implementation of this application. Those skilled in the art can easily understand other advantages and effects of this application from the content disclosed in this specification. This application can also be implemented or applied through other different specific embodiments, and various details in this specification can also be modified or changed based on different viewpoints and applications without departing from the spirit of this application. It should be noted that, unless otherwise specified, the following embodiments and features in the embodiments can be combined with each other.

[0020] It should be noted that similar labels and letters in the following figures indicate similar items. Therefore, once an item is defined in one figure, it does not need to be further defined and explained in subsequent figures.

[0021] In the description of this application, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, or the orientation or positional relationship commonly used when the product of this application is in use. They are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation on this application. In addition, the terms "first," "second," and "third," etc., are only used to distinguish descriptions and should not be construed as indicating or implying relative importance.

[0022] Furthermore, terms such as "horizontal," "vertical," and "sag" do not imply that components must be absolutely horizontal or suspended, but rather that they can be slightly tilted. For example, "horizontal" simply means that its direction is more horizontal relative to "vertical," and does not mean that the structure must be completely horizontal, but can be slightly tilted.

[0023] In the description of this application, it should also be noted that, unless otherwise expressly specified and limited, the terms "set up," "install," "connect," and "link" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this application based on the specific circumstances.

[0024] Furthermore, it should be noted that unless otherwise specified in this application, the specific structures, connections, positions, power sources, etc. involved are all things that a person skilled in the art can know without creative effort based on the prior art.

[0025] Example 1 refer to Figures 1 to 6 As shown in the figure, an integrated assembled exterior wall panel 3 is shown. The integrated assembled exterior wall panel 3 includes a structural layer 31, an insulation layer 32 and a decorative layer 33 arranged sequentially from the inside to the outside. The integrated assembled exterior wall panel 3 is connected to the main structural beam 2 by pre-embedded bolts 5 and connectors 4.

[0026] The structural layer 31 is provided with embedded bolts 5, and the connector 4 is embedded in the main structural beam 2. The embedded bolts 5 are connected and fixed to the connector 4 through the connector nut 43.

[0027] Preferably, the pre-embedded bolt 5 includes a screw 51 and an end plate 52. The screw 51 is fixedly connected to the surface of the end plate 52, and the end plate 52 is embedded in the structural layer 31. The screw 51 extends out of the structural layer 31.

[0028] When the pre-embedded bolt 5 is fixedly connected to the connector 4, the screw 51 and the connector 4 are fixedly connected by turning the connecting nut 43 that is movably set at the connecting end of the connector 4.

[0029] Preferably, the connector 4 includes a U-bolt 41, a conversion steel plate 42, and a connecting screw 44. The U-shaped end of the U-bolt 41 is embedded in the main structural beam 2. The conversion steel plate 42 has bolt holes 91 at both ends to achieve connection and fixation with the U-bolt 41.

[0030] The conversion steel plate 42 has an adjustment hole in the middle, the connecting screw 44 is fixed in the adjustment hole, and the end of the connecting screw 44 is provided with a connecting nut 43 that can be turned but cannot be separated.

[0031] Furthermore, the connecting screw 44 can extend and retract relative to the adjustment hole to adjust the distance between the integrated assembled exterior wall panel 3 and the main structural beam 2.

[0032] Preferably, each integrated assembled exterior wall panel 3 is provided with tongue and groove 6 on all four sides to complete the splicing of adjacent integrated assembled exterior wall panels 3.

[0033] Preferably, the upper tongue / left tongue 8 of the integrated assembled exterior wall panel 3 is provided with a splicing rod 9 at the position of the structural layer 31 corresponding to the tongue and groove 6. One end of the splicing rod 9 is pre-embedded in the structural layer 31, and the other end is provided with a bolt hole 91. The lower tongue / right tongue 7 of the integrated assembled exterior wall panel 3 is provided with a reserved hole 10 on the structural layer 31 corresponding to the tongue and groove 6. When adjacent integrated assembled exterior wall panels 3 are spliced ​​together, the splicing rod 9 is inserted into the reserved hole 10 and fixed between the two panels by fastening bolts 101 inserted into the bolt hole 91.

[0034] Preferably, the insulation layer 32 at the upper tongue / left tongue 8 of the integrated assembled exterior wall panel 3 corresponding to the tongue groove 6 is provided with a semi-circular groove 16; the decorative layer 33 at the lower tongue / right tongue 7 of the integrated assembled exterior wall panel 3 corresponding to the tongue groove 6 is provided with a waterproof clip 12, and when adjacent integrated assembled exterior wall panels 3 are spliced ​​together, the waterproof clip 12 is engaged in the semi-circular groove 16.

[0035] Furthermore, the waterproof card 12 is provided with a water-swellable rubber 11 at its end, and a spring 13 is provided at the base of the waterproof card 12.

[0036] Preferably, the insulation layer 32 and decorative layer 33 at the tongue and groove 6 are edge-sealed with aluminum plates.

[0037] The integrated prefabricated exterior wall panel of this application includes a structural layer, an insulation layer, and a decorative layer, which avoids the need for multiple manual labor inputs for later construction of insulation and decoration, effectively shortening the construction cycle and reducing power consumption.

[0038] This application adopts a tongue and groove splicing method, which avoids the impact of cold and heat bridges caused by post-casting of splice seams on the assembly quality. The splice seam rod is set in the structural layer to improve the connection strength at the splice seam.

[0039] By pre-embedding U-bolts in the main structure and bolts in the integrated prefabricated exterior wall panel structure layer, and setting adjustable connecting bolts, the connection quality between the prefabricated wall panels and the main structure is ensured, and the assembly accuracy of the prefabricated wall panels is improved. The application of aluminum plate edge sealing in the tongue and groove, waterproof clips, and sealant at the joints effectively solves the waterproofing problem at the joints.

[0040] Example 2 refer to Figure 7 As shown, based on Embodiment 1, this embodiment discloses a construction method for an integrated assembled exterior wall panel 3, which includes the following steps.

[0041] Step S1: Construct the main structural column 1 and main structural beam 2, and simultaneously pre-embed U-bolts 41.

[0042] Step S2: The factory produces integrated assembled exterior wall panels 3, and simultaneously sets pre-embedded bolts 5, splicing rods 9, and reserved holes 10 in the structural layer 31.

[0043] Step S3: Perform secondary processing on the produced integrated assembled exterior wall panel 3. First, set tongue and groove grooves 6 on the four sides. Then, install waterproof clips 12 at the decorative layer 33 position at the lower tongue and groove / right tongue and groove 7. Open semi-circular grooves 16 at the insulation layer 32 position at the upper tongue and groove / left tongue and groove 8.

[0044] Step S4: Apply aluminum plate edge sealing treatment to the insulation layer 32 and decorative layer 33 of the tongue and groove 6 of the integrated assembled exterior wall panel 3.

[0045] Step S5: The integrated assembled exterior wall panel 3 is transported to the site, and the positions of the exterior wall panel and embedded parts are checked. Then, the conversion steel plate 42, connecting nut 43, and connecting screw 44 are installed to complete the assembly of the connector 4.

[0046] Step S6: End plate 52, hoist the integrated assembled exterior wall panel 3 to the installation position, correct the position of the exterior wall panel, and then insert the tongue and groove 6. During the insertion process, the waterproof clip 12 is compressed, the spring 13 descends, the waterproof clip 12 moves to the semi-circular groove 16 and then automatically pops out and inserts into the semi-circular groove 16. Step S7: Tongue and groove 6, adjust conversion steel plate 42, connect screw 44, perform secondary position verification and correction. After the position verification and correction is completed, tighten the bolts on the connector 4 and the fastening bolts 101 at the reserved hole 10. Finally, fill the groove at the joint with sealant 15 to complete the sealing.

[0047] Step S8 Lower tongue / right tongue 7, repeat steps S5-S7 Tongue groove 6 to complete the installation of all integrated assembled exterior wall panels 3.

[0048] The above description is merely a preferred embodiment of this application and is not intended to limit this application. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of this application should be included within the protection scope of this application.

Claims

1. An integrated prefabricated exterior wall panel, characterized in that, The integrated assembled exterior wall panel (3) includes a structural layer (31), an insulation layer (32) and a decorative layer (33) arranged sequentially from the inside to the outside. The integrated assembled exterior wall panel (3) is connected to the main structural beam and plate (2) by pre-embedded bolts (5) and connectors (4). The structural layer (31) is provided with embedded bolts (5), the connector (4) is embedded in the main structural beam (2), and the embedded bolts (5) are connected and fixed to the connector (4) through the connecting nut (43) of the connector (4).

2. The integrated assembled exterior wall panel as described in claim 1, characterized in that, The pre-embedded bolt (5) includes a screw (51) and an end plate (52), wherein the screw (51) is fixedly connected to the surface of the end plate (52). The end plate (52) is embedded in the structural layer (31), and the screw (51) extends out of the structural layer (31). When the pre-embedded bolt (5) is fixedly connected to the connector (4), the screw (51) and the connector (4) are fixedly connected by turning the connecting nut (43) that is movably set at the connecting end of the connector (4).

3. The integrated assembled exterior wall panel as described in claim 2, characterized in that, The connector (4) includes a U-bolt (41), a conversion steel plate (42), and a connecting screw (44). The U-shaped end of the U-bolt (41) is embedded in the main structure beam (2), and the two ends of the conversion steel plate (42) are provided with bolt holes to achieve connection and fixation with the U-bolt (41); The conversion steel plate (42) has an adjustment hole in the middle, the connecting screw (44) is fixed in the adjustment hole, and the end of the connecting screw (44) is provided with a connecting nut (43) that can be turned but cannot be separated.

4. The integrated assembled exterior wall panel as described in claim 3, characterized in that, The connecting screw (44) can extend and retract relative to the adjustment hole to achieve distance adjustment between the integrated assembled exterior wall panel (3) and the main structural beam (2).

5. The integrated assembled exterior wall panel as described in claim 1, characterized in that, Each integrated prefabricated exterior wall panel (3) has tongue and groove (6) around its perimeter to complete the splicing of adjacent integrated prefabricated exterior wall panels (3).

6. The integrated assembled exterior wall panel as described in claim 5, characterized in that, The upper tongue / left tongue (8) of the integrated assembled exterior wall panel (3) is provided with a splicing rod (9) at the position of the structural layer (31) of the tongue groove (6). One end of the splicing rod (9) is embedded in the structural layer (31), and the other end is provided with a bolt hole (91). The lower tongue / right tongue (7) of the integrated assembled exterior wall panel (3) has a reserved hole (10) on the structural layer (31) corresponding to the tongue groove (6). When adjacent integrated assembled exterior wall panels (3) are spliced ​​together, the splicing rod (9) is inserted into the reserved hole (10) and fixed between the two panels by fastening bolts (101) inserted into the bolt hole (91).

7. The integrated assembled exterior wall panel as described in claim 5, characterized in that, The upper tongue and left tongue and groove (8) of the integrated assembled exterior wall panel (3) are provided with a semi-circular groove (16) in the insulation layer (32) at the tongue and groove groove (6). The lower tongue / right tongue (7) of the integrated assembled exterior wall panel (3) is provided with a waterproof clip (12) at the position of the decorative layer (33) corresponding to the tongue groove (6). When adjacent integrated assembled exterior wall panels (3) are spliced ​​together, the waterproof clip (12) is set in the semi-circular groove (16).

8. The integrated assembled exterior wall panel as described in claim 7, characterized in that, The waterproof card (12) has a water-swellable rubber (11) at its end and a spring (13) at its base.

9. The integrated assembled exterior wall panel as described in claim 5, characterized in that, The insulation layer (32) and decorative layer (33) at the tongue and groove (6) are edge-sealed with aluminum plate (14).

10. A construction method for an integrated assembled exterior wall panel, characterized in that, The construction method for the integrated prefabricated exterior wall panel as described in claims 6 to 9 includes: S1: Construct the main structural columns (1) and main structural beams and slabs (2), and simultaneously embed U-bolts (41); S2: The factory produces integrated assembled exterior wall panels (3), and simultaneously sets pre-embedded bolts (5), splicing rods (9), and reserved holes (10) in the structural layer (31); S3: The pre-produced integrated assembled exterior wall panel (3) is processed in a secondary manner. First, tongue and groove grooves (6) are set on the four sides. Then, a waterproof clip (12) is installed at the decorative layer (33) position at the lower tongue and right tongue and groove (7). A semi-circular groove (16) is opened at the insulation layer (32) position at the upper tongue and left tongue and groove (8). S4: The insulation layer (32) and decorative layer (33) of the tongue and groove (6) of the integrated assembled exterior wall panel (3) are sealed with aluminum plate (14); S5. The integrated assembled exterior wall panel (3) is transported to the site, and the positions of the exterior wall panel and embedded parts are checked. Then, the conversion steel plate (42), connecting nut (43), and connecting rod (44) are installed to complete the assembly of the connector (4). S6. Hoist the integrated assembled exterior wall panel (3) to the installation position, correct the position of the exterior wall panel, and then insert it into the tongue and groove (6). During the insertion process, the waterproof card (12) is compressed, the spring (13) descends, the waterproof card (12) moves to the semi-circular groove (16) and then automatically pops out and inserts into the semi-circular groove (16). S7. Adjust the conversion steel plate (42) and connecting screw (44) to perform a second position check and correction. After the position check and correction is completed, tighten the bolts on the connecting piece (4) and the bolts (101) at the reserved hole (10). Finally, fill the groove at the joint with sealant (15) to complete the sealing. S8. Repeat steps S5-S7 to complete the installation of all integrated assembled exterior wall panels (3).

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