Fabricated prefabricated outer wall plate structure and construction method

Abstract

The application discloses an assembled prefabricated outer wall plate structure and a construction method, and relates to the field of assembled prefabricated outer wall plates. The structure comprises a plate body, concave and convex structures are alternately arranged along the vertical direction on both sides of the plate body, the concave structure on one side of the plate body corresponds to the convex structure on the other side with the same height, and the top and bottom ends of the vertical edges of the plate body are provided with connecting parts. The connecting parts of adjacent plate bodies can accommodate a grommet when they are close to each other, and the grommet is used for passing through a hook bolt. The concave and convex structures are arranged along the height direction on the vertical side of the plate body, which can effectively avoid the phenomenon that the adhesive mortar smeared in the concave surface of the side edge of the plate body partially falls off or is unevenly distributed due to the vertical sliding property of the adhesive mortar, and when two adjacent outer wall plates are spliced, the concave and convex structures extrude the adhesive mortar to make the adhesive mortar evenly distributed on the side of the plate body and form an effective adhesive layer, so that the connection strength and sealing performance between the adjacent outer wall plates are improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of prefabricated exterior wall panels, in particular to a prefabricated exterior wall panel structure and construction method. BACKGROUND

[0002] The prefabricated exterior wall panel is a building envelope component that is prefabricated and formed in a factory using an industrial production method, and is assembled with the main structure by mechanical lifting and node connection after being transported to the construction site. It integrates multiple functions such as bearing, enclosure, insulation, waterproofing, and decoration, and is the core component of modern prefabricated buildings.

[0003] In the prior art, the prefabricated exterior wall panel is usually installed from the door and window openings to both sides or from one end to the other end. First, the installation position is cleaned and construction is performed. Then, the angle iron is fixed at the target position, and special bonding mortar is applied to the side, bottom and top of the prefabricated exterior wall panel. The prefabricated exterior wall panel is erected and placed close to the target installation position. Finally, holes are drilled at the top and bottom of the prefabricated exterior wall panel and hook bolts are passed through to complete the installation of the prefabricated exterior wall panel. After installation, the vertical and horizontal joints between the panels are filled with mortar.

[0004] With regard to the above related technology, in the prior art, the prefabricated exterior wall panel needs to be perforated on site, which not only increases the construction difficulty and time cost, but also easily causes damage or cracks to the prefabricated exterior wall panel during the perforation process, affecting the stability and sealing performance of the overall structure. In addition, the bonding mortar applied to the side of the prefabricated exterior wall panel is prone to partial detachment or uneven distribution due to its vertical sliding nature after the prefabricated exterior wall panel is erected, resulting in poor bonding effect between adjacent prefabricated exterior wall panels, affecting the stability and sealing performance of the overall connection, and also not conducive to subsequent mortar joint treatment.

[0005] In summary, the existing prefabricated exterior wall panel structure and construction method has certain limitations in actual application, specifically manifested in low construction efficiency and poor connection stability. SUMMARY

[0006] Therefore, the present application aims to provide a prefabricated exterior wall panel structure and construction method to solve the technical problems of low construction efficiency and poor connection stability of the existing prefabricated exterior wall panel structure and construction method.

[0007] In order to achieve the above object, the present application provides the following technical scheme: an assembled prefabricated outer wall plate structure, comprising a plate body, concave and convex parts are alternately arranged in the vertical direction on both sides of the plate body, the concave part on one side of the plate body corresponds to the convex part on the other side of the same height, further comprising a connecting part, the top and bottom ends of the vertical edges of the plate body are provided with the connecting part, the connecting parts of adjacent plate bodies can accommodate a grommet after being close to each other, and the grommet is used for passing through the hook bolt.

[0008] By adopting the above technical scheme, the concave and convex structures are arranged in the height direction on the vertical side of the plate body, which can effectively avoid the phenomenon that the adhesive mortar smeared in the concave part of the side edge of the plate body partially falls off or unevenly distributes due to its vertical sliding property, and when the adjacent two outer wall plates are spliced, the adhesive mortar is uniformly distributed on the side of the plate body and forms an effective adhesive layer by the mutual extrusion of the concave and convex structures, so that the connection strength and sealing performance between the adjacent outer wall plates are improved.

[0009] The present application is further provided that the plate body is not provided with the convex part at the position close to the connecting part, and the gap width between the adjacent plate bodies is greater than the diameter of the hook bolt.

[0010] As a preferred, the hook bolt can smoothly pass through the gap between the adjacent plate bodies.

[0011] The present application is further provided that the plate body is installed between the floor and the cross beam, and is sequentially arranged in parallel to the stand column, the first angle iron is fixed between the adjacent plate bodies, the second angle iron is fixed between the adjacent plate bodies, and the hook bolt can be connected with the first angle iron or the second angle iron after passing through the gap between the adjacent plate bodies.

[0012] As a preferred, the hook bolt is used in cooperation with the first angle iron or the second angle iron to fix the top end or the bottom end of the adjacent plate bodies.

[0013] The present application is further provided that the first angle iron is provided with a waist hole corresponding to the gap between the adjacent plate bodies, the waist hole is used for passing through the hook bolt, and a positioning sheet for limiting the rotation of the hook bolt is fixed on the side away from the plate body, the second angle iron is provided with a positioning angle iron corresponding to the gap between the adjacent plate bodies, the positioning angle iron is arranged on the side of the second angle iron away from the plate body, and can be used for limiting the rotation of the hook bolt.

[0014] As a preferred, the end part of the hook bolt connected with the first angle iron is supported, and the falling of the hole opening upper plate can be better prevented.

[0015] The application further provides that the plate body is split into an upper hole plate and a lower hole plate at the hole opening, the upper hole plate and the lower hole plate are connected with the cross beam and the floor, respectively, and the top end of the lower hole plate and the bottom end of the upper hole plate are both bonded with a reinforcing belt arranged along the arrangement direction of the plate body.

[0016] As preferred, the upper hole plate and the lower hole plate are more stable.

[0017] The application further provides that a support column is bonded to one side of the plate body close to the upper hole plate and the lower hole plate, one side of the support column facing the plate body is provided with a concave-convex surface matched with the plate body, and the other side is a flat surface.

[0018] As preferred, the flat side of the plate body at the hole opening can also play the effect of supporting the edge of the reinforcing belt.

[0019] The application further provides that the plate body comprises, from inside to outside, an aerated concrete layer, a thermal insulation board, thermal insulation mortar, and a protective net, the aerated concrete layer of the plate body is provided with a reinforcing cage, and the reinforcing cage is fixedly connected with an anchoring piece.

[0020] As preferred, the anchoring piece can effectively prevent the delamination and separation of the multi-layer structure plate body.

[0021] The application further provides that the concave surface part and the convex surface part corresponding to each other between adjacent plate bodies are not in contact.

[0022] As preferred, the bonding mortar has a certain flow space between adjacent plate bodies, so as to better fill the gap between adjacent plate bodies.

[0023] The application further provides that the grommet can be clamped in the connecting part of the adjacent plate bodies after being spliced with each other, and is coaxially arranged with the hook bolt passing through itself.

[0024] As preferred, when the hook bolt is tightened, the relative movement of the adjacent plate bodies can be effectively limited.

[0025] A prefabricated external wall plate construction method, the process of which comprises the following steps:

[0026] Step one: clean the installation site and lay the line;

[0027] Step two: install the first angle iron and the second angle iron at the target position;

[0028] Step three: after applying bonding mortar to the plate side, the plate bottom and the plate top of the plate body, the plate body is erected, moved to the target position, and connected with the corresponding first angle iron or second angle iron after the hook bolt passes through the gap between the plate bodies.

[0029] Step four: fill the vertical and horizontal joints between the plates with mortar.

[0030] In summary, the present application mainly has the following beneficial effects:

[0031] The present application can effectively avoid the phenomenon of partial falling or uneven distribution of the adhesive mortar applied in the concave surface of the plate side due to its vertical sliding property, and when the adjacent two outer wall plates are spliced, the concave-convex structure is extruded with the adhesive mortar to make the adhesive mortar evenly distributed on the side surface of the plate and form an effective adhesive layer, thereby improving the connection strength and sealing performance between the adjacent outer wall plates.

[0032] The present application sets the first angle iron and the second angle iron for connecting the floor and the beam between the plates, and the hook bolt is fixedly connected with the corresponding first angle iron or second angle iron through the gap between the adjacent plates, thereby realizing the stable splicing between the outer wall plates, without the need for punching operation when installing the outer wall plates, effectively reducing the construction difficulty and improving the installation efficiency.

[0033] The present application sets the reinforcing belt at the hole opening of the outer wall plate to locally reinforce the outer wall plate at the hole opening, so that the outer wall plate at the hole opening can be better assembled as a whole, thereby enhancing the structural strength and stability of the outer wall plate at the hole opening, and the support column is further provided at both ends of the reinforcing plate to further improve the overall carrying capacity of the hole opening part.

[0034] The present application sets the waist hole on the first angle iron for the hook bolt to pass through, and when the hook bolt passes through the first angle iron, it can be smoothly clamped between the positioning pieces, while supporting the plate body at the hole opening, facilitating the continuous installation of the plate body above the hole opening. BRIEF DESCRIPTION OF DRAWINGS

[0035] Figure 1 It is a perspective view of the assembled prefabricated outer wall plate structure of the present application after installation;

[0036] Figure 2 It is a perspective view of the assembled prefabricated outer wall plate structure of the present application from another angle after installation;

[0037] Figure 3 It is a schematic view of the process of installing the assembled prefabricated outer wall plate structure of the present application to the hole opening position;

[0038] Figure 4 It is an enlarged view of A in the present application; Figure 3

[0039] Figure 5 It is an enlarged view of B in the present application; Figure 3

[0040] ​​Figure 6 Another perspective view of the installation process of the prefabricated assembled outer wall panel structure of the present application;

[0041] Figure 7 Another perspective view of the installation process of the prefabricated assembled outer wall panel structure of the present application; Figure 6 Enlarged view of C;

[0042] Figure 8 Another perspective view of the installation process of the prefabricated assembled outer wall panel structure of the present application;

[0043] Figure 9 Another perspective view of the installation process of the prefabricated assembled outer wall panel structure of the present application;

[0044] Figure 10 Another perspective view of the installation process of the prefabricated assembled outer wall panel structure of the present application; Figure 9 Enlarged view of D;

[0045] Figure 11 Another perspective view of the installation process of the prefabricated assembled outer wall panel structure of the present application;

[0046] Figure 12 Another perspective view of the installation process of the prefabricated assembled outer wall panel structure of the present application;

[0047] Figure 13 Another perspective view of the installation process of the prefabricated assembled outer wall panel structure of the present application;

[0048] Figure 14 Another perspective view of the installation process of the prefabricated assembled outer wall panel structure of the present application; Figure 13 Enlarged view of E;

[0049] Figure 15 Another perspective view of the installation process of the prefabricated assembled outer wall panel structure of the present application;

[0050] Figure 16 Another perspective view of the installation process of the prefabricated assembled outer wall panel structure of the present application; Figure 15 Enlarged view of F;

[0051] Figure 17 Another perspective view of the installation process of the prefabricated assembled outer wall panel structure of the present application;

[0052] Figure 18 Another perspective view of the installation process of the prefabricated assembled outer wall panel structure of the present application;

[0053] BRIEF DESCRIPTION OF THE DRAWINGS

[0054] 1, plate body; 101, concave part; 102, convex part; 103, connecting part; 104, steel reinforcement cage; 105, upper hole plate; 106, lower hole plate; 2, first angle iron; 201, positioning piece; 202, waist hole; 3, second angle iron; 301, positioning angle iron; 4, hook bolt; 5, grommet; 6, reinforcing belt; 7, support column; 8, insulation board; 9, insulation mortar; 10, protective net; 11, anchoring piece; 12, telescopic support rod; 13, floor slab; 14, stand column; 15, cross beam. DETAILED DESCRIPTION

[0055] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. The embodiments described below with reference to the drawings are exemplary and are only used to explain the present application, and cannot be understood as a limitation of the present application.

[0056] The embodiments of the present application will be described below according to the overall structure of the present application.

[0057] First embodiment:

[0058] A prefabricated outer wall plate structure, please refer to Figures 1-16 , comprising a plate body 1, the two sides of the plate body 1 are alternately arranged by the concave part 101 and the convex part 102 in the vertical direction, and the concave part 101 on one side of the plate body 1 corresponds to the convex part 102 on the other side of the same height.

[0059] Specifically, the plate body 1 comprises, from inside to outside, an aerated concrete layer, an insulation board 8, an insulation mortar 9, and a protective net 10, the insulation board 8 is fixedly connected with the aerated concrete layer through adhesive mortar, the aerated concrete layer of the plate body 1 is provided with a steel reinforcement cage 104, the steel reinforcement cage 104 is fixedly connected with an anchoring piece 11, and the anchoring piece 11 can effectively prevent the plate body 1 of the multi-layer structure from delaminating and separating.

[0060] Further comprising a connecting part 103, the top end and the bottom end of the vertical edge of the plate body 1 are provided with the connecting part 103, the connecting part 103 is recessed into the plate body 1, the connecting parts 103 of adjacent plate bodies 1 can accommodate the grommet 5 after being close to each other, and the grommet 5 is provided for the hook bolt 4 to pass through.

[0061] Further, the grommet 5 can be clamped in the connecting parts 103 of the adjacent plate bodies 1 after being spliced with each other, and is coaxially arranged with the hook bolt 4 passing through itself, and when the hook bolt 4 is tightened, the relative movement of the adjacent plate bodies 1 can be effectively limited.

[0062] In the above embodiment, please refer to Figures 1-5, the plate body 1 is installed between the floor 13 and the cross beam 15, and is arranged in sequence in a state parallel to the stand column 14, the first angle iron 2 is fixed between the adjacent plate bodies 1 through the cross beam 15, the second angle iron 3 is fixed between the adjacent plate bodies 1 through the floor 13, the hook bolt 4 can be connected with the first angle iron 2 or the second angle iron 3 after passing through the gap between the adjacent plate bodies 1, and the top end or the bottom end of the adjacent plate bodies 1 is fixed by cooperating the hook bolt 4 with the first angle iron 2 or the second angle iron 3.

[0063] Further, the plate body 1 is not provided with the convex part 102 at the position close to the connecting part 103, the gap width between the adjacent plate bodies 1 is greater than the diameter of the hook bolt 4, so that the hook bolt 4 can smoothly pass through the gap between the adjacent plate bodies 1, and the installation of the hook bolt 4 is facilitated.

[0064] In the above embodiment, please refer to Figures 3-10 , the plate body 1 is split into the upper hole plate 105 and the lower hole plate 106 at the hole, the upper hole plate 105 and the lower hole plate 106 are connected with the cross beam 15 and the floor 13 respectively, specifically, the top surface of the upper hole plate 105 is bonded with the cross beam 15, the bottom surface of the lower hole plate 106 is bonded with the floor 13, the top end of the lower hole plate 106 and the bottom end of the upper hole plate 105 are both bonded with the reinforcing belt 6 arranged along the arrangement direction of the plate body 1, specifically, in the embodiment, the reinforcing belt 6 specifically adopts a strip-shaped steel, so that the connection of the upper hole plate 105 and the lower hole plate 106 is more stable.

[0065] Specifically, when the first upper hole plate 105 is connected to one side of the plate body 1, the corresponding lower hole plate 106 of the upper hole plate 105 is installed first, and then the telescopic support rod 12 can be used to support the bottom end of the upper hole plate 105 away from the position of the adjacent plate body 1, so that the hook bolt 4 between the upper hole plate 105 and the adjacent plate body 1 can be smoothly installed, and similarly, when the upper hole plate 105 and the lower hole plate 106 at the hole are both installed, the bonding surface of the reinforcing belt 6 is smeared with bonding mortar, so that the reinforcing belt 6 is tightly attached to the upper hole plate 105 and the lower hole plate 106, and the telescopic support rod 12 can also be used to support the upper and lower reinforcing belts 6, so as to better bond the reinforcing belt 6 with the corresponding upper hole plate 105 and lower hole plate 106.

[0066] Second embodiment:

[0067] A prefabricated outer wall plate structure, please refer to Figures 1-16In the first embodiment, the first angle iron 2 is provided with a waist hole 202 corresponding to the gap of the adjacent plate body 1, and the hook bolt 4 passes through the waist hole 202. The positioning piece 201 is fixed to the side of the first angle iron 2 away from the plate body 1, which is used to limit the rotation of the hook bolt 4. The second angle iron 3 is provided with a positioning angle iron 301 corresponding to the gap of the adjacent plate body 1. The positioning angle iron 301 is arranged on the side of the second angle iron 3 away from the plate body 1, which can be used to limit the rotation of the hook bolt 4 and support the end of the hook bolt 4 connected to the first angle iron 2, thereby better preventing the hole upper plate 105 from falling.

[0068] Specifically, when the plate body 1 is installed on one side of the subsequent plate body 1, the hook bolt 4 needs to be connected between the upper ends of the plate bodies 1. The hook portion of the hook bolt 4 first passes through the waist hole 202 of the first angle iron 2 and rotates by 90 degrees to restore the long rod portion of the hook bolt 4 to be horizontal. Then, the hook portion is rotated by 180 degrees along the axis of the long rod portion of the hook bolt 4, so that the gap between the hook portion and the positioning piece 201 corresponds. Pulling the hook bolt 4 allows the hook portion to be clamped between the positioning pieces 201. After the subsequent plate body 1 is attached to the plate body 1, the grommet 5 is installed and the hook bolt 4 is tightened. When the lower end of the plate body 1 needs to be connected to the hook bolt 4, the hook bolt 4 is inserted into the positioning angle iron 301 after the adjacent plate bodies 1 are attached to each other. Then, the grommet 5 is installed and the hook bolt 4 is tightened.

[0069] In the above embodiment, please refer to Figures 6-10 The plate body 1 is attached to the support column 7 near the hole upper plate 105 and the hole lower plate 106. The side of the support column 7 facing the plate body 1 is provided with a concave-convex surface matching the plate body 1, and the other side is a flat surface. The flat surface of the plate body 1 at the hole side can also support the edge of the reinforcing belt 6.

[0070] Further, the concave surface part 101 and the convex surface part 102 corresponding to each other between the adjacent plate bodies 1 are not in contact, so that the bonding mortar has a certain flow space between the adjacent plate bodies 1, thereby better filling the gap between the adjacent plate bodies 1.

[0071] A prefabricated external wall plate construction method, the process includes the following steps:

[0072] Step one: clean the installation site and lay the line, specifically, the width of the plate body 1 is customized according to the distance between the columns 14 in the building to be constructed and the height between the floor 13 and the beam 15 in the building, after the prefabricated plate is delivered to the construction site, first check the plate size, size, strength grade, etc. To ensure that there is no damage to the warping, then clean the wall base to ensure that it is flat, clean and oil-free, and then pop up the installation position line, edge line and hole line at the corresponding position of the building floor 13, column 14 and beam 15, and mark the plate joint width control line;

[0073] Step two: install the first angle iron 2 and the second angle iron 3 at the target position, specifically, the first angle iron 2 and the second angle iron 3 can be installed quickly using a gun nail during installation;

[0074] Step three: apply adhesive mortar to the plate side, plate bottom and plate top of the plate body 1, then stand the plate body, specifically, the adhesive mortar on the side of the plate body 1 is mainly applied to the concave part 101, the adhesive mortar in the concave part 101 is supported by the adjacent convex part 102 in the vertical direction, which can effectively avoid the phenomenon of partial shedding or uneven distribution due to its vertical slip, then move the plate body to the target position, use the hook bolt 4 to pass through the gap between the plate body 1 and connect with the corresponding first angle iron 2 or second angle iron 3;

[0075] Step four: use mortar to fill the vertical and horizontal joints between the plates.

[0076] Although the embodiments of the present application have been shown and described, the specific embodiments are only an explanation of the present application, and are not a limitation of the application, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner, and those skilled in the art can make modifications, replacements and variations of the embodiments without creative contribution after reading the specification, but as long as it is within the scope of the claims of the present application, it is protected by the patent law.

Claims

1. A fabricated prefabricated outer wall panel structure, characterized by, The plate body is provided with concave and convex parts alternately in vertical direction on both sides, and the concave part on one side corresponds to the convex part on the other side at the same height. The connecting part is provided on the top and bottom of the vertical edge of the plate body, and the connecting part of adjacent plate bodies can accommodate a grommet after being close to each other, the grommet is used for passing through a hook bolt, and the plate body is not provided with a convex part at the position close to the connecting part, the gap width between adjacent plate bodies is greater than the diameter of the hook bolt, the plate body is installed between a floor and a beam, and is sequentially arranged in a state parallel to a stand column, the first angle iron is fixed between adjacent plate bodies, the second angle iron is fixed between adjacent plate bodies, the hook bolt can be connected with the first angle iron or the second angle iron after passing through the gap between adjacent plate bodies, the first angle iron is provided with a waist hole corresponding to the gap between adjacent plate bodies, and the waist hole is used for passing through the hook bolt, and the first angle iron is fixed with a positioning piece on the side away from the plate body and used for limiting the rotation of the hook bolt, the second angle iron is provided with a positioning angle iron corresponding to the gap between adjacent plate bodies, the positioning angle iron is arranged on the side of the second angle iron away from the plate body, and is used for limiting the rotation of the hook bolt, the concave part and the convex part corresponding to each other between adjacent plate bodies are not in contact, so that the adhesive mortar has a certain flow space between adjacent plate bodies, and the adhesive mortar fills the gap between adjacent plate bodies better. The plate body is split into an upper hole plate and a lower hole plate at the hole, the upper hole plate and the lower hole plate are connected with a beam and a floor respectively, and the top end of the lower hole plate and the bottom end of the upper hole plate are bonded with a reinforcing belt arranged in the plate body arrangement direction.

2. The prefabricated exterior wall panel structure of claim 1, wherein: The plate body is bonded with a support column on the side close to the upper hole plate and the lower hole plate, the support column is provided with a concave-convex surface on the side facing the plate body, and the other side is a plane.

3. The prefabricated exterior wall panel structure of claim 2, wherein: The plate body sequentially comprises an aerated concrete layer, a thermal insulation plate, thermal insulation mortar and a protective net from inside to outside, the aerated concrete layer of the plate body is provided with a steel reinforcement cage, and the steel reinforcement cage is fixedly connected with an anchoring member.

4. The prefabricated exterior wall panel structure of claim 1, wherein: The grommet can be clamped in the connecting part of the adjacent plate bodies after being spliced, and is coaxially arranged with the hook bolt passing through the grommet.

5. The prefabricated exterior wall panel structure of claim 1, wherein: The process of using the prefabricated external wall plate structure of any one of claims 1-5 comprises the following steps:

6. A construction method of a fabricated prefabricated outer wall panel, characterized by Step one: clean the installation position and lay the line; Step two: install the first angle iron and the second angle iron at the target position; Step three: coat the plate side, plate bottom and plate top of the plate body with adhesive mortar, then stand the plate body, move the plate body to the target position, and connect the hook bolt passing through the gap between the plate bodies with the corresponding first angle iron or second angle iron; Step four: fill the vertical joint and horizontal joint between the plates with mortar. ​

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