CN210316091U - Exterior wall panel structure with fireproof function and building - Google Patents

Abstract

The utility model discloses an exterior panel structure and building with fire prevention function. The utility model discloses an external wall panel structure includes panel and bearing metal frame. The panel includes decorative layer, first protective layer, concrete layer, flame retardant coating and second protective layer, and wherein the flame retardant coating sets up in concrete layer's inside. Bearing metal framework includes horizontal beam, stand, support piece and wire net, and the horizontal beam is used for supporting outer wallboard structure on the horizontal direction, and the stand is used for supporting outer wallboard structure on vertical direction, and horizontal beam and stand are connected to support piece to for the outer wallboard provides vertical and lateral bearing capacity, wire net fixed connection is in bearing metal framework. The utility model discloses an external wall panel structure has bigger structural rigidity and anti lateral stiffness to have excellent fire behavior.

Description

Exterior wall panel structure with fireproof function and building

Technical Field

The utility model relates to a building wallboard structure, concretely relates to outer panel structure with fire prevention function reaches by the building of its assembly.

Background

With the development of modern industrial technology, house construction technology is also promoted, and due to the fact that construction speed is high, production cost is low, fabricated buildings are rapidly popularized all over the world.

The prefabricated building refers to a building formed by assembling prefabricated parts on a construction site. The building block is divided into five types, namely a block building, a plate building, a box building, a framework plate building, a rising-rise building and the like according to the form and the construction method of the prefabricated part.

Various prefabricated element structures have been disclosed in the prior art. For example, CN208235787U discloses a fabricated wall panel, which includes a bearing steel skeleton and an additional steel skeleton connected as a truss; the bearing steel skeleton comprises a horizontal beam and a steel support rod piece, a bolt hole is formed in the end portion of the horizontal beam, the steel support rod piece comprises a vertical support rod and an oblique support rod, one end of the vertical support rod is fixedly connected with the horizontal beam, and the oblique support rod is connected between the other end of the vertical support rod and the end portion of the horizontal beam; the side connecting plate is connected with the intersection of the horizontal beam, the oblique supporting rod and the additional steel skeleton and is connected with the second column connecting plate; the lower connecting plate is connected to the intersection of the vertical supporting rod, the oblique supporting rod and the additional steel framework, and the upper part of the horizontal beam is connected with the upper connecting plate; and a reinforcing mesh is bound around the bearing steel framework and the additional steel framework, and the bearing steel framework, the additional steel framework and the reinforcing mesh are coated by the wallboard matrix. The wall panel integrates the horizontal beam, the support and other stress components in the bearing steel skeleton of the building with the enclosure wall, so as to improve the assembly rate of the wall panel.

However, there is still a need to further increase the assembly rate of buildings. In addition, unlike general assembly building materials, the plate-and-frame integrated assembly structure for bearing loads has a higher requirement for fire resistance because it constitutes a bearing element of a building body. The fire performance of the existing fabricated structures cannot meet the requirements.

SUMMERY OF THE UTILITY MODEL

For solving at least partial technical problem among the prior art, the utility model provides a new exterior panel structure with fire prevention function, it has bigger structural rigidity and anti lateral stiffness to fire behavior is better. Specifically, the present invention includes the following.

The utility model discloses a first aspect provides an exterior panel structure with fire prevention function, and it is the assembled structure by panel and bearing metal frame unification, wherein:

the plate comprises a decorative layer, a first protective layer, a concrete layer, a fireproof layer and a second protective layer, wherein the fireproof layer comprises foamed polyurethane or self-extinguishing extruded polystyrene board, is arranged inside the concrete layer and at least fills the space between the load-bearing metal frames;

bearing metal crate includes horizontal beam, stand, support piece and wire net, the horizontal beam is located one side of outer panel structure horizontal direction for support in the horizontal direction outer panel structure, the stand is used for supporting in vertical direction outer panel structure, it includes first stand and second stand, just the one end of first stand with the one end fixed connection of horizontal beam, the one end of second stand with the other end fixed connection of horizontal beam, support piece connects the horizontal beam and first stand and second stand to for the outer panel provides vertical and lateral bearing capacity, wire net fixed connection in bearing metal crate.

Preferably, the supporting member includes a first supporting member, a second supporting member, a third supporting member and a fourth supporting member, one end of the first supporting member is fixedly connected to the middle portion of the horizontal beam, the other end of the first supporting member is fixedly connected to the first upright, one end of the second supporting member is fixedly connected to the middle portion of the horizontal beam, the other end of the second supporting member is fixedly connected to the second upright, one end of the third supporting member is fixedly connected to the first upright, the other end of the third supporting member is fixedly connected to the second upright, one end of the fourth supporting member is fixedly connected to the middle portion of the horizontal beam, and the other end of the fourth supporting member is fixedly connected to the third supporting member.

Preferably, the decorative layer is a stone layer or a brick layer.

Preferably, the first protective layer and the second protective layer respectively comprise cement mortar and alkali-resistant glass fiber net, and the alkali-resistant glass fiber net is pasted in the cement mortar.

Preferably, the concrete layer comprises foamed cement, the fireproof layer and the load-bearing metal frame are respectively embedded in the concrete layer, and the distance between the steel wire mesh and the protective layer is 10-30 mm.

Preferably, the horizontal beam is made of i-shaped steel, the upright posts and the supporting pieces are square pipes respectively, and the total thickness of the concrete outside the square pipes and the decorative layer is 50-100 mm.

Preferably, the utility model discloses a flame retardant coating includes the foaming polyurethane layer and from putting out nature extruded polystyrene board, just foaming polyurethane fill in between the bearing metal frame, from putting out nature extruded polystyrene board and being located one side of bearing metal frame. More preferably, the self-extinguishing extruded polystyrene board is located on the side of the load-bearing metal frame remote from the decorative layer, and the self-extinguishing extruded polystyrene board is capable of covering the side of the load-bearing metal frame. Such a design is more advantageous for improving fire protection, especially from fires caused by the interior of buildings.

The second aspect of the present invention provides a building, which comprises the first aspect of the present invention.

Preferably, the building includes first exterior wall panel structure and second exterior wall panel structure, and first exterior wall panel structure includes that first ring board, second run through the ring board, connection side pipe and interior welt are run through to the first ring board that runs through, connection side pipe and second run through the ring board and from the top down sets gradually, and interior welt is fixed in the surface of first ring board that runs through perpendicularly, and interior welt has the shape of laminating mutually with the inside of the stand square pipe of second exterior wall panel

The utility model discloses an optimal design makes its fire behavior obtain improving. Additionally, the utility model is used for constitute new assembly system, break traditional thinking, combine bearing atress frame and outer wall enclosure part as an organic whole, form the assembled steel frame bearing structure system of board (side fascia) frame (bearing atress frame) unification, all have the place of enclosure wall, inside is the steel skeleton and all sets up special steel shotcrete, structural rigidity and anti side rigidity are big, and fire behavior is better.

Drawings

Fig. 1 is a perspective view of an exemplary fire rated exterior wall panel.

Figure 2 is a block diagram of an exemplary load-bearing metal frame.

Fig. 3 is a cross-sectional structural view of an exemplary exterior wall panel.

Fig. 4 is a diagram of an exemplary connection structure of a building.

Description of reference numerals:

100-load-bearing metal frame, 110-horizontal beam, 111-middle part, 112-horizontal beam upper wing, 120-upright post, 121-first upright post, 122-second upright post, 131-first support member, 132-second support member, 133-third support member, 134-fourth support member, 140 steel wire mesh, 151-first connection point and 152-second connection point; 200-plate, 210-decorative layer, 220-first protective layer, 230-concrete layer, 240-second protective layer, 250 fireproof layer, 251-foamed polyurethane layer and 252-self-extinguishing extruded polystyrene board; 11-a first penetrating ring plate, 12-a second penetrating ring plate, 13-a connecting square pipe, 14-an inner lining plate, 11-1-the edge of the first penetrating ring plate, 12-1-the edge of the second penetrating ring plate and 1202-penetration groove welding.

Detailed Description

Reference will now be made in detail to various exemplary embodiments of the invention, which should not be considered limiting of the invention, but rather should be understood to be a more detailed description of certain aspects, features and embodiments of the invention.

It is to be understood that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. Further, to the extent that numerical ranges are recited in the present disclosure, it is understood that the upper and lower limits of the range, and each intervening value therebetween, is specifically disclosed. Every smaller range between any stated value or intervening value in a stated range and any other stated or intervening value in a stated range is also encompassed within the invention. The upper and lower limits of these smaller ranges may independently be included or excluded in the range.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. Although only the preferred methods and materials are described in this disclosure, any methods and materials similar or equivalent to those described herein can be used in the practice or testing of the present disclosure. All documents mentioned in this specification are incorporated by reference herein for the purpose of disclosing and describing the methods and/or materials associated with the documents. In case of conflict with any incorporated document, the present specification will control. Unless otherwise indicated, "%" is percent by weight and "parts" are parts by weight.

The term "exterior panel structure with fire prevention function" of the present invention refers to a prefabricated member for assembling a large building, and is a modular structure that can be used and transported independently. Different with the low side fascia of traditional refractiveness, the utility model discloses a side fascia's fire resistance level is the second grade. Preferably, an outer wall panel of the utility model constitutes vertical one side panel.

The term "fixed connection" of the present invention includes either a detachable fixed connection or a non-detachable fixed connection. The fixed connection in a detachable manner includes a bolt connection and the like. The non-detachable fixed connection includes welding and the like.

[ exterior wall Panel Structure having fireproof function ]

The utility model discloses an aspect provides an exterior panel structure with fire prevention function, and it includes bearing metal frame and panel.

Load-bearing metal frame

The utility model discloses a bearing metal framework indicates the steel construction skeleton that is used for bearing main part gravity and enclosure gravity. The load-bearing metal frame comprises horizontal beams, upright posts, supporting pieces and steel wire meshes.

Horizontal beam

The utility model discloses a horizontal beam is located one side of side fascia structure horizontal direction for support the side fascia structure in the horizontal direction. The horizontal beam can be I-shaped steel, rectangular steel and the like. Preferably, the horizontal beam of the present invention is made of i-steel, which has an upper wing and a lower wing arranged in parallel and an intermediate connecting portion connecting the upper wing and the lower wing. Preferably, the i-steel of the invention constitutes a load-bearing metal frame in such a way that the upper and lower wings are parallel to the horizontal direction.

Upright post

The utility model discloses a stand is used for supporting exterior panel structure in vertical direction. The stand includes first stand and second stand at least, and the one end of first stand and the one end of horizontal beam are at first tie point fixed connection, and the one end of second stand and the other end of horizontal beam are at second tie point fixed connection. Preferably, the first upright and the second upright have the same length. Preferably, the length corresponds to the floor level. It is also preferred that the first and second uprights are respectively perpendicular to the horizontal beam and are fixed in parallel to the same plane side of the horizontal beam. Preferably, the horizontal distance between the first upright and the second upright corresponds to the length of the horizontal beam and to the length of the desired panel. The material of the column is not particularly limited as long as it has the load-bearing property required for supporting the main structure and the enclosure, and examples thereof are preferably steel materials, including but not limited to, square steel pipes, i-shaped steel, round steel pipes, rectangular steel pipes, and the like. The utility model discloses preferred use side's pipe as the stand. In certain embodiments, the posts of the present invention use 250 x 8 square tubes as the posts.

Although the utility model discloses only mention first stand and second stand, the utility model discloses a stand does not get rid of including other stands, for example, third stand, fourth stand etc. as long as do not influence the utility model discloses the purpose realize can.

Support piece

The utility model discloses a support piece connects horizontal beam and stand, especially first stand and second stand to provide the bearing capacity of vertical and side direction for the side fascia. The material of the support member is not particularly limited, and any material may be used, including, but not limited to, square tubes, i-shaped steel, round steel tubes, and rectangular tubes. The utility model discloses preferred use side's pipe.

In the present invention, preferably, the support member includes a first support member and a second support member. One end of the first supporting piece is fixedly connected with the middle part of the horizontal beam, and the other end of the first supporting piece is fixedly connected with the first upright post, so that the first supporting piece is arranged in an inclined mode. One end of the second supporting piece is fixedly connected with the middle part of the horizontal beam, and the other end of the second supporting piece is fixedly connected with the second upright post, so that the second supporting piece is arranged in an inclined mode. Preferably, the length of the first support and the length of the second support are the same, more preferably greater than the length of the first upright or the second upright, respectively. Preferably, the fixed connection point of the first support and the horizontal beam coincides with the fixed connection point of the second support and the horizontal beam. More preferably, the fixed connection point of the first support member to the first upright is located at the end of the first upright, and the fixed connection point of the second support member to the second upright is located at the end of the second upright. It should be noted that the "middle portion of the horizontal beam" herein does not refer to an absolute middle position of the horizontal beam, but refers to a relative middle position with respect to the end of the horizontal beam. For example, the intermediate portion may be anywhere from one end 1/6 to 1/2 of the horizontal beam. The first supporting piece and the second supporting piece can be fixed between the horizontal beam and the upright in a splayed shape, a herringbone shape or an X shape.

The support member of the present invention preferably further comprises a third support member. One end of the third supporting piece is fixedly connected with the first upright post, and the other end of the third supporting piece is fixedly connected with the second upright post. Preferably, the third support member is fixedly connected to the ends of the first and second uprights. More preferably, the third support is parallel to the horizontal beam.

The support member of the present invention preferably further comprises a fourth support member. One end of the fourth supporting piece is fixedly connected with the middle part of the horizontal beam, and the other end of the fourth supporting piece is fixedly connected with the third supporting piece. Preferably, the other end of the fourth supporting member is fixedly connected with the middle position of the third supporting member.

In certain embodiments, the support member of the present invention comprises a first support member, a second support member, a third support member, and a fourth support member. One end of each of the first and second supporting members is fixed to a different position of the horizontal beam (e.g., both ends of the horizontal beam), and the other end of each of the first and second supporting members is fixed to a middle portion of the third supporting member. The "intermediate portion" herein does not refer to an absolute intermediate position of the third support, but refers to a relatively intermediate position with respect to the end of the third support. For example, the intermediate portion may be anywhere from one end 1/6 to 1/2 of the third support member. In this case, the first support member and the second support member may form an inverted "eight" shape or an inverted "herringbone" shape. The fourth support member is arranged in the manner described above.

Steel wire mesh

The utility model discloses a wire net fixed connection is in bearing metal frame. Preferably, the wire mesh is pre-welded to the load-bearing metal frame. The steel wire mesh can be used

A steel wire mesh. Preferably, the utility model discloses a wire net is buried in fireproof material to avoid the wire net to receive external environment influence, and then guarantee rust-resistant requirement, the fire prevention requirement of steel skeleton, cold bridge prevention requirement etc.. The distance between the wire mesh and the protective layer is generally 5 to 30mm, preferably 10 to 20mm, more preferably 12 to 18 mm. The number of layers of the steel wire mesh is not limited, and the steel wire mesh can be one layer or double layers, and the steel wire mesh is respectively fixed (for example, welded) on two sides of the load-bearing metal frame.

Connection point

The utility model discloses a tie point is the tie point between horizontal beam end and the stand end. The first connecting point between one end of the horizontal beam and the first upright post and the second connecting point between the other end of the horizontal beam and the second upright post are included.

The utility model discloses an outer panel belongs to the building structure of full assembled, this type of building structure need still have sufficient rigidity and wholeness by the building that its assembly obtained except the requirement of needs outer panel itself to guarantee the holistic bearing of building and various stress. The connection structure between the external wall panels and other wall panels or floor slabs is critical. The utility model discloses a tie point belongs to the welded joint point. The first connection point and the second connection point of the utility model can be the same or different. Whether the same or not may be referred to herein collectively as the connection point of the present invention.

In certain embodiments, the connection points of the present invention include a first through ring plate, a second through ring plate, a connecting square tube, and an inner liner plate. The first penetrating ring plate, the connecting square pipe and the second penetrating ring plate are sequentially arranged from top to bottom, and the lining plate is fixed on the upper surface (namely the outer surface) of the first penetrating ring plate. Specifically, the first through ring plate is fixed on the upper section of the connecting square pipe, the first through ring plate has an edge protruding out of the upper section of the connecting square pipe, and part of the edge of the first through ring plate is fixedly connected with the upper wing of the i-shaped horizontal beam. The second penetrating ring plate is fixed on the lower section of the connecting square pipe, the second penetrating ring plate is provided with an edge protruding out of the lower section of the connecting square pipe, and part of the edge of the second penetrating ring plate is fixedly connected with the lower wing of the I-shaped horizontal beam. The inner lining plate is vertically fixed on the outer surface of the first penetrating ring plate and has a shape which is attached to the inner side of the square tube. Preferably, the inner lining plate consists of a steel block. It is also preferable that the inner lining plate is made of four steel sheets, and the four steel sheets are arranged in such a manner that each steel sheet is attached to one inner wall of the square pipe as the pillar. The four steel sheets can be integrally formed into a square section, or the four steel sheets can be connected by welding or other means to form a square section.

Sheet material

The utility model discloses a panel includes decorative layer, first protective layer, concrete layer, flame retardant coating and second protective layer, and wherein the flame retardant coating is located concrete layer's inside.

Decorative layer

The decorative layer of the present invention is a decorative layer facing the outside of a building, and preferably has a decorative or aesthetic surface decorative layer, so that the outside of the building constructed in advance has a desired appearance without additional construction. Through setting up the decorative layer, make it different with traditional side fascia structure, the assembly rate and the construction speed of further improving. In addition, compare with the traditional mode that carries out extra construction outside the building of accomplishing at the assembly and add the decorative layer, the utility model discloses the decorative layer of predetermineeing in an outer wallboard outside has stronger laminating intensity. This is because in the transportation in course of working and later stage is carried out in the workshop, the utility model discloses an external wall panel need stand the loading and unloading operation of specific transportation, and this kind of operation needs the decorative layer to have than conventional stronger intensity, otherwise arouses the decorative layer easily to appear becoming flexible before the assembly and even drop.

The utility model discloses in, preferably, have the articulamentum between decorative layer and first protective layer for strengthen the laminating intensity of decorative layer. The bonding strength of the connecting layer and the decorative layer needs to be greater than that of the decorative layer and the first protective layer. As the material of the connection layer, a material known to have adhesiveness may be used, and examples thereof include, but are not limited to, polymer mortar stirred with cement, aggregate, and an organic polymer that can be dispersed in water. The polymer may be a homopolymer polymerized from one monomer or a copolymer polymerized from two or more monomers. The polymer forms a film under the environmental condition to cover on the cement particles, and the cement body and the aggregate form strong bonding. The polymer network has the ability to resist the occurrence of microcracks and to resist crack propagation. Examples of the polymer include acrylates, polyvinyl alcohol, and styrene-acrylates. The present invention may use combinations of one or more of the above.

The utility model discloses in, the decorative layer is not specially limited, can select for use the decorative layer that the building field used usually as required, and its example includes but not limited to stone material layer or outer wall facing brick layer.

First protective layer

The utility model discloses in, first protective layer sets up between decorative layer and concrete layer for transition between decorative layer and the concrete layer. The first protective layer may include cement mortar and a mesh material. The cement mortar may use a mixture of cement and mortar in a 1:3 weight ratio. The grid material can use alkali-resistant glass fiber grid cloth. The grid material can be internally attached to the cement mortar layer. The thickness of the first protective layer is generally from 1 to 10mm, preferably from 5 to 8 mm.

Concrete layer

The utility model discloses a concrete layer is filled in the side fascia, and it mainly includes cement and sand grain. Examples of concrete include, but are not limited to, lightweight aggregate concrete, foamed concrete (or foamed cement), and macroporous concrete. The use of foamed cement is preferable because it can reduce the weight of the building itself and has a certain heat insulating function.

Preferably, the concrete layer comprises foamed cement, the fireproof layer and the load-bearing metal frame are respectively embedded in the concrete layer, and the distance between the steel wire mesh and the protective layer is 10-30 mm.

Fire-proof layer

The utility model discloses a flame retardant coating is preferred to contain foamed polyurethane or from putting out nature extruded polystyrene board, and the flame retardant coating setting is in concrete layer's inside to at least, fill the space between the bearing metal frame. Preferably, the utility model discloses a flame retardant coating includes foamed polyurethane and from putting out nature extruded polystyrene board bilayer structure, and the foamed polyurethane layer sets up between bearing metal frame's metalwork, then lies in one side of bearing metal frame from putting out nature extruded polystyrene board, preferably lies in the one side of keeping away from the decorative layer, and covers bearing metal frame at least from the size of putting out nature extruded polystyrene board. Such a design is more advantageous in preventing the load-bearing metal frame from being heated, thereby improving the overall fire resistance of the building.

Second protective layer

The utility model discloses an external wall panel still includes the second protective layer, and it is located concrete layer's both sides respectively with first protective layer to form the protection to concrete layer. The composition, thickness, etc. of the second protective layer may be the same as or different from the first protective layer. And will not be described in detail herein.

[ building ]

In a second aspect of the present invention, a building is provided, which comprises an exterior panel structure as described herein. Preferably, the building comprises a first and a second exterior wall panel structure, with a vertical connection therebetween. I.e. the first outer wall panel fits right above the second outer wall panel. The first outer wallboard structure comprises a first penetrating ring plate, a second penetrating ring plate, a connecting square pipe and an inner lining plate, wherein the first penetrating ring plate, the connecting square pipe and the second penetrating ring plate are sequentially arranged from top to bottom, the inner lining plate is vertically fixed on the outer surface of the first penetrating ring plate, and the inner lining plate is in a shape which is attached to the inner side of the stand column square pipe of the second outer wallboard. Thereby, the first external wall panel and the second external wall panel can be firmly fixed.

Example 1

The embodiment is an exterior panel structure with a fireproof function.

Fig. 1 is a perspective view of the exterior wall panel with fire-proof function according to the embodiment. As shown in fig. 1, the exterior panel structure having a fire-retardant function of the present embodiment includes a load-bearing metal frame 100 and a panel 200.

Fig. 2 is a structural view of the load-bearing metal frame 100 of the present embodiment. As shown in fig. 2, the load-bearing metal frame 100 includes horizontal beams 110, columns, supports, and a wire mesh 140. The horizontal beam 110 is located at one side of the load-bearing metal frame, which is parallel to the horizontal direction of the outer wall panel structure. The load-bearing metal frame 100 is used to support the entire exterior wall panel structure in the horizontal direction. The upright post is used for supporting the outer wall panel structure in the vertical direction. The vertical columns include a first vertical column 121 and a second vertical column 122, and one end of the first vertical column 121 is welded to one end of the horizontal beam 110 at a first connection point 151, and one end of the second vertical column 122 is welded to the other end 110 of the horizontal beam at a second connection point 152. The support member connects the horizontal beam 110 and the first and second columns 121 and 122, thereby providing vertical and lateral load-bearing forces to the external wall panel. The wire mesh 140 forms a mesh, four sides of which are welded to the load-bearing metal frame 100. In this embodiment, the wire mesh 140 has two layers, which are welded to two sides of the load-bearing metal frame 100.

In fig. 2, the supports include a first support 131, a second support 132, a third support 133, and a fourth support 134. Wherein one end of the first support 131 is welded to the middle portion 111 of the horizontal beam 110. The other end of the first support 131 is welded to the lower end of the first column 121. One end of the second support 132 is welded to the middle portion 111 of the horizontal beam 110. The other end of second support 132 is welded to the lower end of second upright 122. First support 131 has a length greater than the length of first upright 121 and second support 132 has a length greater than the length of second upright 122. The third support 133 is disposed parallel to the horizontal beam 110, and one end of the third support 133 is welded to the lower end of the first column 121. The other end of third support 133 is welded to the lower end of second upright 122. One end of the fourth support 134 is welded to the middle portion 111 of the horizontal beam 110. The other end of the fourth support 134 is welded to the middle portion of the third support 133.

Fig. 3 is a structural view of the plate material 200 of the present embodiment. As shown in fig. 3, the slab 200 of the present embodiment includes a stone layer 210, a first protective layer 220, a concrete layer 230, a second protective layer 240, and a fireproof layer 250 located inside the concrete layer, respectively, in the direction from the outside to the inside (the direction from the right side to the left side of the figure). The fireproof layer 250 is filled between the columns 120 of the load-bearing metal frame 100, and the fireproof layer 250 comprises two layers, the thickness of the two layers is larger than the width of the column 120, so that the fireproof layer extends along the thickness direction of the external wall panel. The fire-proof layer 250 not only forms a sandwich of the concrete layer 230 in the thickness direction, but also both ends of the fire-proof layer 250 are sealed by the concrete layer 230, so that the fire-proof layer 250 is completely embedded by the concrete layer 230. The fire barrier layer 250 of this embodiment is a foamed polyurethane layer 251 and a self-extinguishing extruded polystyrene board 252 between the load-bearing frames, and the self-extinguishing extruded polystyrene board 252 is located on the side away from the decorative layer and is sized to completely cover the load-bearing metal frames. The distance between the steel wire meshes 140 on the two sides of the load-bearing metal frame 100 and the protective layer on the corresponding side is 60 mm. In addition, the total thickness of the concrete on the sides of the load-bearing metal frame 100 and the protective layer on the corresponding side is 75 mm. Similarly, the total thickness of the load-bearing metal frame 100 from the concrete and protective layers at both ends of the slab is 45 mm. Therefore, the requirements of the steel skeleton on rust prevention, fire prevention and cold bridge prevention can be met.

The true bookIn the embodiment, the thickness of the first protective layer is a cement mortar layer with the thickness of 5mm, the second protective layer is a cement mortar layer with the thickness of 15mm, and the first protective layer and the second protective layer are respectively internally pasted with alkali-resistant glass fiber gridding cloth. A concrete layer of 500kg/m having a thickness of 220mm is provided between the first protective layer and the second protective layer³Foamed cement with bidirectional steel wire net (

Steel mesh sheet).

Fig. 4 is a diagram of an exemplary connection structure. As shown in fig. 4, the connection point of the present embodiment includes a first through ring plate 11, a second through ring plate 12, a connection square pipe 13, and an inner lining plate 14. The first penetrating ring plate 11 is fixed on the upper section of the connecting square pipe 13, the first penetrating ring plate 11 has an edge 11-1 protruding out of the upper section of the connecting square pipe 13, and part of the edge of the first penetrating ring plate 11 is welded with the upper wing 112 of the I-shaped horizontal beam 110. The second through ring plate 12 is fixed to the lower section of the square connecting pipe 13, the second through ring plate 12 has an edge protruding out of the lower section of the square connecting pipe 13, and a part of the edge 12-1 of the second through ring plate 12 is welded to the lower wing of the i-shaped horizontal beam 110. The inner lining plate 14 is fixed perpendicularly to the outer surface of the first penetrating ring plate 11, and the inner lining plate 14 has a shape that fits the inside of the square pipe.

It will be apparent to those skilled in the art that various modifications and variations can be made in the embodiments of the present disclosure without departing from the scope or spirit of the disclosure. Other embodiments will be apparent to those skilled in the art from consideration of the specification. The specification and examples are exemplary only.

Claims (10)

1. The utility model provides an outer panel structure with fire prevention function, its characterized in that, it is by the assembled structure of panel and the unification of bearing metal frame, wherein:

the plate comprises a decorative layer, a first protective layer, a concrete layer, a fireproof layer and a second protective layer, wherein the fireproof layer comprises foamed polyurethane or self-extinguishing extruded polystyrene board, is arranged inside the concrete layer and at least fills the space between the load-bearing metal frames;

bearing metal crate includes horizontal beam, stand, support piece and wire net, the horizontal beam is located one side of outer panel structure horizontal direction for support in the horizontal direction outer panel structure, the stand is used for supporting in vertical direction outer panel structure, it includes first stand and second stand, just the one end of first stand with the one end fixed connection of horizontal beam, the one end of second stand with the other end fixed connection of horizontal beam, support piece connects the horizontal beam and first stand and second stand to for the outer panel provides vertical and lateral bearing capacity, wire net fixed connection in bearing metal crate.

2. The exterior wall panel structure with fire protection function according to claim 1, wherein the supporting members comprise a first supporting member, a second supporting member, a third supporting member and a fourth supporting member, one end of the first supporting member is fixedly connected with the middle portion of the horizontal beam, the other end of the first supporting member is fixedly connected with the first upright, one end of the second supporting member is fixedly connected with the middle portion of the horizontal beam, the other end of the second supporting member is fixedly connected with the second upright, one end of the third supporting member is fixedly connected with the first upright, the other end of the third supporting member is fixedly connected with the second upright, one end of the fourth supporting member is fixedly connected with the middle portion of the horizontal beam, and the other end of the fourth supporting member is fixedly connected with the third supporting member.

3. The exterior panel structure with fire-retardant function according to claim 1, wherein the decorative layer is a stone layer or a brick layer.

4. The exterior panel structure with fire-retardant function of claim 1, wherein said first protective layer and said second protective layer respectively comprise cement mortar and alkali-resistant fiberglass mesh, and said alkali-resistant fiberglass mesh is adhered to said cement mortar.

5. The exterior wall panel structure with fire-proof function according to claim 1, wherein the concrete layer comprises foamed cement, the fire-proof layer and the load-bearing metal frame are respectively embedded in the concrete layer, and the distance between the steel wire mesh and the protective layer is 10-30 mm.

6. The exterior wall panel structure with fire-retardant function according to claim 1, wherein the horizontal beam is i-shaped steel, the vertical column and the supporting member are respectively square tubes, and the total thickness of the concrete outside the square tubes and the decorative layer is 50-100 mm.

7. The exterior panel structure with fire-retardant function according to claim 1, wherein said fire-retardant layer comprises foamed polyurethane and self-extinguishing extruded polystyrene board, and said foamed polyurethane is filled between said load-bearing metal frames, and said self-extinguishing extruded polystyrene board is located at one side of the load-bearing metal frames.

8. The fire resistant outer wall panel structure according to claim 7, wherein the self-extinguishing extruded polystyrene board is located on a side of the load-bearing metal frame away from the decorative layer, and the self-extinguishing extruded polystyrene board can cover the side of the load-bearing metal frame.

9. A building characterized by comprising the exterior panel structure having a fire-retardant function according to any one of claims 1 to 8.

10. The building of claim 9, comprising a first outer wall plate structure and a second outer wall plate structure, wherein the first outer wall plate structure comprises a first through ring plate, a second through ring plate, a connecting square pipe and an inner lining plate, the first through ring plate, the connecting square pipe and the second through ring plate are sequentially arranged from top to bottom, the inner lining plate is vertically fixed on the outer surface of the first through ring plate, and the inner lining plate is in a shape of being attached to the inner side of the upright square pipe of the second outer wall plate.

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