CN213773910U

CN213773910U - Assembled composite heat-insulating external wall panel

Info

Publication number: CN213773910U
Application number: CN202022394362.7U
Authority: CN
Inventors: 苗纪奎; 孙波; 庄赠楷; 胡蓝皓
Original assignee: Shandong Jianzhu University
Current assignee: Shandong Jianzhu University
Priority date: 2020-10-26
Filing date: 2020-10-26
Publication date: 2021-07-23
Anticipated expiration: 2030-10-26

Abstract

The utility model provides an assembled composite heat-insulating external wall panel, which comprises a light batten base layer, a polyurethane adhesive layer and a vertical-wire rock wool board heat-insulating layer which are arranged in sequence; the light batten base layer, the polyurethane adhesive layer and the vertical-wire rock wool board heat-insulating layer are anchored through anchor bolts. The wallboard uses the light batten as a base layer, bears the self weight of the wallboard and the wind load and the earthquake load acting on the wallboard, uses the vertical-wire rock wool board as a heat-insulating layer to meet the energy-saving design requirement of the outer wall in severe cold and cold regions, and improves the tensile strength and the waterproof performance of the rock wool board by strengthening the interface of the inner side surface and the outer side surface of the vertical-wire rock wool board; and solves the problem of connecting the wall board with the main structure through the internal thread sleeve arranged in the light lath.

Description

Assembled composite heat-insulating external wall panel

Technical Field

The utility model belongs to the technical field of building energy conservation, especially, relate to an assembled compound incubation side fascia.

Background

With the improvement of the design standard of building energy conservation, the single-material light wall board, such as autoclaved aerated concrete board, ceramsite concrete board and foam concrete board, can not meet the requirements of cold and severe cold areas on the thermal performance of the wall body, and at present, the single-material light wall board is usually only used as an inner wall board or a base wall board needing an additional outer wall external thermal insulation system. The aerated concrete composite heat-insulation wallboard takes the autoclaved aerated concrete strip as a base layer, and the outer composite heat-insulation layer and the protective layer are prefabricated and formed in a factory, so that the aerated concrete composite heat-insulation wallboard has the advantages of light weight, simple structure, low manufacturing cost, energy conservation, good sound insulation and fire resistance and the like. However, the prior art has the following problems:

1. the aerated concrete composite heat-insulation wallboard takes an organic heat-insulation board as a heat-insulation layer, in order to meet the fireproof requirement, a heat-insulation slurry protective layer with the combustion performance grade of A is required to be arranged on the outer side of the heat-insulation layer, when the aerated concrete composite heat-insulation wallboard is produced in a factory, a mold is required to be manufactured, heat-insulation slurry is poured on an aerated concrete slab adhered with the heat-insulation layer, the production and manufacturing process of the wallboard is complex, and the production efficiency is low;

2. the aerated concrete slab and the heat-insulating layer are compounded together through the bonding mortar, the bonding mortar is cement-based polymer mortar, and the sufficient bonding strength can be achieved only after 28 days of maintenance, so that a large maintenance field is needed during the production of the wallboard, the production period is long, and the production cost is high;

3. the heat insulation slurry outside the heat insulation layer of the aerated concrete composite heat insulation wallboard transfers the self weight to the aerated concrete slab in a mode of bonding and mechanical anchoring, but because the density and the strength of the heat insulation layer are smaller than those of the heat insulation slurry, potential safety hazards exist in the stress and force transfer mode.

SUMMERY OF THE UTILITY MODEL

In order to overcome a plurality of defects in the prior art, the utility model provides an assembled composite heat-insulating external wall panel, which uses a light batten as a base layer, bears the dead weight of the wall panel and the wind load and earthquake load acting on the wall panel, uses a vertical-wire rock wool panel as a heat-insulating layer to meet the energy-saving design requirement of the external wall of severe cold and cold regions, and enhances the internal and external side surfaces of the vertical-wire rock wool panel through interfaces to improve the tensile strength and the waterproof performance of the rock wool panel; and solves the problem of connecting the wall board with the main structure through the internal thread sleeve arranged in the light lath.

In order to achieve the above purpose, the utility model adopts the following scheme:

an assembled composite heat-insulating external wall panel comprises a light batten base layer, a polyurethane adhesive layer and a vertical-silk rock wool board heat-insulating layer which are sequentially arranged; the light batten base layer, the polyurethane adhesive layer and the vertical-wire rock wool board heat-insulating layer are anchored through anchor bolts.

Preferably, the light batten base layer is made of an autoclaved aerated concrete slab or an autoclaved ceramsite concrete slab or a foam concrete slab, a plurality of stressed steel bars are arranged in the slab, and the upper end and the lower end of the inside of the light batten base layer are respectively provided with an inner wire sleeve used for being connected with a wall body.

Preferably, the internal thread sleeve comprises a supporting rod and a bottom plate which are connected with each other, and a threaded hole is formed in one end, far away from the bottom plate, of the supporting rod.

Preferably, the vertical-wire rock wool board heat-insulating layer comprises an inner side interface reinforcing protective layer, a vertical-wire rock wool core material and an outer side interface reinforcing protective layer.

Preferably, one side of the light batten base layer, which is close to the polyurethane adhesive layer, is provided with a groove for connecting the bottom plate.

Preferably, the distance between the anchor bolts and the plate edge is 300-500 mm along the length direction of the plate, 200-400 mm along the width direction of the plate, and 100-200 mm.

The utility model has the advantages that:

1. the light batten base layer can adopt an autoclaved aerated concrete slab, an autoclaved ceramsite concrete slab and a foam concrete slab, the materials are green and environment-friendly materials, and the light batten base layer has the advantages of wide source of manufacturing materials, stable material quality, light weight, heat preservation, heat insulation, sound insulation and the like, is good in machinability, and solves the problems of nailing heavy objects on the inner side of a wall body and arranging pipelines in a groove.

2. The composite vertical-wire rock wool board heat-insulating layer on the light batten base layer meets the requirements of cold and severe cold areas on the thermal performance of the wall body, the vertical-wire rock wool board is an A-level non-combustible material, the fire prevention problem caused by the adoption of an organic heat-insulating board is avoided, in addition, the vertical-wire rock wool core material is subjected to interface treatment by using a cement-based interface reinforcing coiled material, and the tensile strength and the waterproof performance of the rock wool board are improved.

3. The light batten base layer and the vertical-filament rock wool board heat-insulating layer are bonded together through the special polyurethane adhesive, traditional adhesive mortar is replaced, the polyurethane adhesive is high in adhesive strength and short in curing time, the adhesive strength requirement of the heat-insulating layer and the light batten base layer is met, the drying and forming time of the adhesive layer is greatly shortened, the process flow is simplified, and the production efficiency of the wallboard is improved.

4. The vertical-wire rock wool board heat-insulating layer and the light batten base layer are compounded together in a factory through a full-gluing process and are fixed through the plastic anchor bolts in an auxiliary mechanical mode, the connection safety of the vertical-wire rock wool board heat-insulating layer and the light batten base layer is improved, and the problems that the connection safety is poor and the heat-insulating layer falls off due to the fact that the heat-insulating slurry is arranged on the outer side of the heat-insulating layer of the aerated concrete composite heat-insulating wall board are solved.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic structural view of an assembled composite thermal insulation external wall panel;

FIG. 2 is a sectional view of an assembled composite thermal insulation external wall panel A-A

FIG. 3 is a sectional view of an assembled composite thermal insulation external wall panel B-B;

FIG. 4 is a schematic view of an inner wire sleeve;

in the figure: 1. the light batten comprises a light batten base layer, a polyurethane adhesive layer, a vertical wire rock wool board heat insulation layer, a 31 inner side interface reinforcing protective layer, a 32 vertical wire rock wool core material, a 32 outer side interface reinforcing protective layer, a 4 plastic anchor bolt, a 5 inner wire sleeve, a 51 supporting rod, a 52 bottom board.

Detailed Description

The technical solutions in the embodiments of the present application will be described clearly and completely with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present application without making any creative effort, shall fall within the protection scope of the present application.

As shown in fig. 1 to 3, the fabricated composite thermal insulation external wall panel of the present invention comprises a light slat base layer 1, a polyurethane adhesive layer 2, and a vertical-filament rock wool board thermal insulation layer 3; wherein, after the vertical-filament rock wool board heat-insulating layer 3 and the light strip board base layer 1 are bonded and compounded together through the polyurethane bonding layer 2, and the plastic anchor bolt 4 assists mechanical anchoring.

The lightweight batten base layer 1 is made of autoclaved aerated concrete slabs, autoclaved ceramsite concrete slabs or foam concrete slabs, the diameter and the number of stressed steel bars in the slabs are determined by design calculation according to the load borne by the wall boards, and the upper end and the lower end of the lightweight batten base layer 1 are respectively provided with an internal thread sleeve 5.

The polyurethane adhesive layer 2 is coated or sprayed on the upper surface of the light batten base layer 1 by adopting a polyurethane adhesive; the main performance indexes of the polyurethane adhesive are as follows: the curing time is less than or equal to 5min, and the tensile bonding strength with the vertical-filament rock wool board heat-insulating layer is more than or equal to 0.1 MPa.

The vertical-wire rock wool board heat-insulating layer 3 comprises an inner side interface reinforcing protective layer 31, a vertical-wire rock wool core material 32 and an outer side interface reinforcing protective layer 33; the inner side of the vertical-filament rock wool core material 32 is subjected to interface treatment by using a cement-based interface reinforcing coiled material to form an inner-side interface reinforcing protective layer 31, and the outer side of the vertical-filament rock wool core material 32Performing interface treatment on the cement-based interface enhanced coiled material to form an outer interface enhanced protective layer 33; the main performance indexes of the vertical-fiber rock wool core material 32 are as follows: the density is more than or equal to 100kg/m³The heat conductivity coefficient is less than or equal to 0.046W/(m.K), the tensile strength perpendicular to the plate surface direction is more than or equal to 80kPa, the compression strength is more than or equal to 40kPa, and the combustion performance grade is not lower than A₂And (4) stages.

The plastic anchor bolt 4 mechanically anchors the vertical-silk rock wool board heat-insulating layer 3 and the light batten base layer 1 together, the distance between the anchor bolts and the board edge is 100-200 mm, and the distance between the anchor bolts and the board edge is 300-450 mm along the length direction of the board and 200-400 mm along the width direction of the board; the main performance indexes of the anchor bolt are as follows: the standard value of the tensile bearing capacity is more than or equal to 0.3kN, and the diameter of the disc is more than or equal to 60 mm.

As shown in fig. 4, the internal thread sleeve 5 comprises a supporting rod 51 and a bottom plate 52, the supporting rod is made of round steel, one end of the round steel is connected with the bottom plate 52, the other end of the round steel is sleeved with an internal thread, and the internal thread is used for connecting the light batten base layer 1 with the main body structure; in order to ensure that the bottom plate 52 of the sleeve 5 is flush with the outer surface of the light weight board base layer 1, a groove is previously formed in the drilling position of the light weight board base layer 1, and the size and depth of the groove are the same as those of the bottom plate 52.

The manufacturing method of the assembled composite heat-insulating external wall panel comprises the following steps:

1. the internal thread sleeves 5 are fixed to the upper end and the lower end of the light batten base layer 1 in advance, namely, holes are drilled in advance in positions which are 70 mm-120 mm away from the lower end and the upper end of the middle line of the light batten base layer 1, the hole diameter is 1 mm-2 mm larger than the diameter of the round steel 51, and the internal thread sleeves 5 penetrate through the light batten base layer 1 in the plate thickness direction. In order to ensure that the bottom plate 52 of the inner wire sleeve 5 is flush with the outer surface of the light batten base layer 1, a groove is formed in the drilling position of the light batten base layer 1 in advance, and the size and the depth of the groove are the same as those of the bottom plate 52;

2. flatly placing the light strip plate base layer 1 with the internal thread sleeve 5 on a working table, and brushing or spraying a special polyurethane adhesive on the upper surface of the light strip plate base layer 1 to form a polyurethane adhesive layer 2;

3. pressing a vertical-wire rock wool board heat-insulating layer 3 on the upper surface of the light batten base layer 1 by using special equipment, and bonding and compounding the vertical-wire rock wool board heat-insulating layer 3 and the light batten base layer 1 through a polyurethane bonding layer 2;

4. after the special polyurethane adhesive is solidified, the special polyurethane adhesive is mechanically anchored by a plastic anchor bolt 4, and the plastic anchor bolt penetrates through the vertical-wire rock wool board heat-insulating layer 4 and is anchored on the light batten base layer 1.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. An assembled composite heat-insulating external wall panel is characterized by comprising a light batten base layer, a polyurethane adhesive layer and a vertical-filament rock wool board heat-insulating layer which are sequentially arranged; the light batten base layer, the polyurethane adhesive layer and the vertical-wire rock wool board heat-insulating layer are anchored through anchor bolts.

2. The fabricated composite thermal insulation external wall panel according to claim 1, wherein: the light batten base layer is made of autoclaved aerated concrete slabs or autoclaved ceramsite concrete slabs or foam concrete slabs, a plurality of stressed steel bars are arranged in the slabs, and the upper end and the lower end of the inside of the light batten base layer are respectively provided with an inner wire sleeve used for being connected with a wall body.

3. The fabricated composite thermal insulation external wall panel according to claim 2, wherein: the internal thread sleeve comprises a supporting rod and a bottom plate which are connected with each other, and a threaded hole is formed in one end, far away from the bottom plate, of the supporting rod.

4. The fabricated composite thermal insulation external wall panel according to claim 3, wherein: the vertical-wire rock wool board heat-insulating layer comprises an inner side interface reinforcing protective layer, a vertical-wire rock wool core material and an outer side interface reinforcing protective layer.

5. The fabricated composite thermal insulation external wall panel according to claim 3, wherein: one side of the light batten base layer close to the polyurethane adhesive layer is provided with a groove used for connecting the bottom plate.

6. The fabricated composite thermal insulation external wall panel according to claim 1, wherein: the distance between the anchor bolts and the plate edge is 100-200 mm, and the distance between the anchor bolts and the plate edge is 300-500 mm in the length direction of the plate, 200-400 mm in the width direction of the plate.