CN106703250A - Assembled self-insulation wall and forehand technology thereof - Google Patents

Abstract

An assembled self-insulating wall and its preparation process, the wall includes a concrete wall and a heat-insulating decorative board, and the concrete wall is provided with a heat-insulating decorative board. The present invention proposes to produce assembled self-insulating wall panels through the process of laying heat-insulating decorative panels, canceling the connecting parts connecting the outer panels and the inside and outside in the original sandwich structure, so that the cost is greatly reduced, the production efficiency is improved, and the cost of the building is reduced. Self-respect provides a guarantee for the large-scale promotion of prefabricated buildings.

Description

A prefabricated self-insulating wall and its front-cutting process

technical field

The invention relates to the technical field of building materials, in particular to the field of manufacturing method, design and installation of a novel prefabricated wall.

Background technique

As the largest developing country, my country's energy consumption per unit of GDP is more than twice the world's average level. Faced with an increasingly severe energy security situation, the country is vigorously promoting energy conservation and emission reduction in various fields. Building energy consumption accounts for 20-30% of my country's total energy consumption, so building energy conservation is particularly important. The latest building energy-saving standard is that the northern regions such as Beijing, Tianjin, Shandong, Hebei, Xinjiang and other provinces have achieved 75% energy-saving standards. Most of the urban residential buildings in most areas require 65%, and very few areas require 50%. Due to the late development of building energy conservation in my country, all aspects are less mature than developed countries in Europe and the United States, and energy-saving technical measures and standards are relatively backward. However, in general, ultra-low energy consumption buildings and green buildings are the development trend of my country's buildings.

Ultra-low energy buildings are generally called passive buildings in China, that is, buildings that can maintain a comfortable indoor thermal environment without active heating and air conditioning or using extremely low energy consumption. Passive buildings require that the building's outer envelope has excellent thermal insulation effect and airtightness. According to the current situation of passive buildings, polyurethane or polystyrene foam, an organic thermal insulation material with the best thermal insulation performance, is used as the thermal insulation structure. If the vacuum insulation board is used, the total thickness should be controlled within 6cm to meet the thermal insulation requirements of ultra-low energy consumption buildings.

Prefabricated buildings are the mainstream direction of engineering construction, that is, the construction of houses is like the production of cars, and the construction mode of fully implementing factory prefabricated production and on-site assembly. However, at present, the prefabricated wall generally adopts a sandwich structure. This structure is to connect the 5-8cm thick concrete slab outside the insulation board with the concrete of the main structure through the connector passing through the insulation board. The sandwich structure There are cumbersome production, high cost, and low safety system. There is no implementation standard for the connectors used to fix the 5-8cm thick concrete slab on the outside, the quality is difficult to guarantee, and a large number of cold bridges are formed. At present, all rely on imports, and the cost is high. However, the current prefabricated buildings are difficult to promote and the incremental cost remains high.

Contents of the invention

Aiming at the above assembled wall panels with sandwich structure, the present invention proposes to produce assembled self-insulated wall panels through the process of laying thermal insulation decorative panels, canceling the connecting parts connecting the outer panels and the inside and outside in the original sandwich structure, so that the cost is greatly reduced , improve production efficiency, reduce the weight of the building, and provide a guarantee for the large-scale promotion of assembler buildings.

In order to solve the problems of the technologies described above, the technical solution adopted in the present invention is:

An assembled self-insulation wall body, the wall body includes a concrete wall body and a thermal insulation decorative board, and the thermal insulation decorative board is arranged outside the concrete wall body.

Preferably, the decorative material of the thermal insulation decorative board can be thin stone, coated cement fiber pressure board, coated calcium silicate board, coated aluminum board, coated aluminum alloy Decorative materials with a certain strength, such as boards, coated steel plates, etc., and the decorative materials are covered with a protective film.

Preferably, the thermal insulation material of the thermal insulation decorative panel is a vacuum insulation panel.

Preferably, a protective layer is provided on the side of the thermal insulation board opposite to the decorative board in the thermal insulation decorative board.

Preferably, the protective layer of the thermal insulation material can be cement mortar or pasted cement thin board or calcium silicate board, glass magnesium board, cement fiber thin felt.

Preferably, the thermal insulation decorative board and the concrete wall are fixed by an anchor assembly, and the anchor assembly includes an outer anchor and an inner anchor, and the outer anchor includes a central rod of the outer anchor and an outer anchor The first end cap at the outer end of the central rod of the piece, the size of the first end cap is greater than the cross-sectional size of the central rod of the outer anchor; the central rod of the outer anchor is a hollow structure; the inner anchor includes an inner anchor a central rod and a second end cap positioned at the outer end of the inner anchor central rod, the size of the second end cap being greater than the dimension of the cross-section of the inner anchor central rod, the inner anchor central rod inserted into the outer anchor central rod in a hollow structure.

Preferably, a first protrusion is provided on the inner wall of the hollow structure, and a second protrusion is provided on the outer wall of the central rod of the inner anchor. When the central rod of the inner anchor is inserted into the hollow structure of the central rod of the outer anchor, the second protrusion The first protrusion and the second protrusion engage with each other.

A preparation process for an assembled self-insulating wall as described above, wherein the insulating decorative board adopts a positive construction process, and the specific steps are as follows:

Step 1), fix the formwork on the platform, and fix the window frame well.

Step 2), laying reinforcement cages in the formwork or binding reinforcement directly on it;

Step 3), fix the corresponding fixed points embedded in the concrete;

Step 4), pouring concrete and vibrating compaction;

Step 5), laying thermal insulation decorative panels on the concrete in step 4);

Step 6), fix the anchors at the seams of the laid insulation boards;

Step 7), conservation;

Step 8), demoulding and lifting.

Preferably, the fixed points in step 3) include hoisting points, steel bar sleeves, and fixed fulcrums.

A preparation process for an assembled self-insulating wall as described above. The self-insulating wall adopts a positive assembly type. The manufacturing process is as follows:

The first step is to support the template on the mold table and fix the window frame;

The second step is to lay the reinforced cages prepared in advance according to the design in the template, or directly lay the binding steel bars in the template, and fix the parts for self-insulating wall panels on the reinforced cages;

The third step is to pour the concrete and vibrate it, and smooth the surface of the concrete;

The fourth step is to directly lay the thermal insulation board with a decorative layer on the surface of the concrete and the decorative layer has a protective film to avoid contamination. When laying the thermal insulation decorative board, insert the anchor directly into the concrete and fix it. The component should be fixed on one side of the decorative panel, and the other end of the anchor should be inserted into the concrete;

The fifth step is to send the self-insulating wall with the thermal insulation decorative board to the curing kiln for curing;

The sixth step is to remove the mold and lift and repair the surface defects. The seam of the decorative layer is first treated with foam material and filled with the seam of the thermal insulation decorative board and caulked with sealant;

The seventh step is to assemble and install the prepared self-insulation wall according to the design requirements.

Preferably, the components for fixing the self-insulating wallboard in the second step include sleeves, hooks, support points, threading pipes, and wire boxes.

Preferably, in the fourth step, the other end of the anchor is inserted into the concrete, and the insertion depth is at least 5 cm.

Preferably, a first protrusion is provided on the inner wall of the hollow structure, and a second protrusion is provided on the outer wall of the central rod of the inner anchor. When the central rod of the inner anchor is inserted into the hollow structure of the central rod of the outer anchor, the second protrusion The first protrusion and the second protrusion engage with each other.

Preferably, the first protrusion and the second protrusion are spines.

Preferably, the first protrusion extends from the inner wall toward the outer end or the inner end, and the extension direction of the second protrusion is opposite to that of the first protrusion.

As a preference, the density M of the structure is set as a function of the distance L from the outer end to the inner end, that is, M=F(L), then F'(L)>0, then F''(L)>0, where F'(L), F''(L) are the first and second derivatives of F(L), respectively.

Preferably, the inner end of the outer anchor is provided with a convex portion.

Preferably, the inner end of the outer anchor is provided with an opening extending into the central rod of the outer anchor.

Preferably, thorns are provided on the outer wall of the central rod of the outer anchor, and the thorns extend toward the outer end.

Preferably, the first end cap and the second end cap are circular, and the diameter of the first end cap is larger than that of the second end cap.

Compared with the prior art, the present invention has the following beneficial effects or advantages:

1) The present invention discloses a new preparation process for an integrated thermal insulation wall. The structure of the self-thermal insulation wall includes a load-bearing structure and a waterproof structure. It can effectively guarantee the integrity of the insulation material, the construction process is simpler and more convenient, and the insulation layer is firm and durable, which can last the same life as the building. Through the front-cutting process of the insulation board, it overcomes the self-weight of the existing sandwich wallboard, which is not Fire prevention, the outer wall panels are easy to fall off, and there are serious safety hazards. The production process of the self-insulating wall is simpler and faster than the current sandwich wall panels. The secondary pouring is reduced to one pouring, and the outer wall panels are eliminated. With the connector, the weight of the wall is reduced, and the cost is saved by at least 100 yuan per square meter.

2) The present invention prevents water from entering the wall by setting the integrated concrete wall with convex parts and concave parts, so as to realize waterproofing.

3) The present invention further realizes waterproofing by setting a sealing material between adjacent concrete walls.

4) The anchors of the present invention are mainly used in prefabricated components of self-insulating walls produced in factories, wherein the outer anchors are mainly used to fix the thermal insulation decorative panels in concrete, and the inner anchors are mainly used to fix the thermal insulation decorative panels outside The glass fiber mesh or steel wire mesh in the cement mortar protective layer is anchored, and does not occupy the joints of the thermal insulation decorative board, the thermal bridge of the self-insulation wall is minimized, and the internal and external anchor components are hung upside down by the inverted structure of the thorns , forming a large pulling force, and no need to use metal nails to fix.

5) In the present invention, the further fixation of the outer anchor is ensured by the density of the spines on the outer wall of the outer anchor changing from the outer end to the inner end.

Description of drawings

Fig. 1 is a structural schematic diagram of a prefabricated wall of the present invention.

Fig. 2 is a schematic diagram of a concrete wall structure provided with a waterproof structure.

Fig. 3 is a structural schematic diagram of the combination of concrete walls.

Fig. 4 is a partial enlarged schematic view of the integrated wall.

Fig. 5 is a schematic diagram of the structure of the outer anchor.

Fig. 6 is a schematic structural view of the inner anchor.

Fig. 7 is a schematic structural diagram of the combination of inner and outer anchors.

Fig. 8 is a structural schematic diagram of applying internal and external anchors on the wall.

In the figure: In the figure: 1. Outer anchor, 2. Inner anchor, 3. Concrete wall, 4. Thermal insulation material, 5. Glass mesh or steel wire mesh, 6. Finishing layer, 7. Convex part, 8. Recess, 9, elastic sealing material, 10, sealant, 11, steel bar, 12 hanging point;

1-1, center rod, 1-2, first end cover, 1-3, convex part, 1-4, opening, 1-5, protrusion, 1-6 protrusion;

2-1, central rod, 2-2, second end cap, 2-3 protrusion.

detailed description

The present invention will be further described below in conjunction with the accompanying drawings.

Fig. 1 shows an assembled self-insulating wall, which includes a concrete wall 3 and a heat-insulating decorative board, and the concrete wall 3 is provided with a heat-insulating decorative board.

Figure 1 shows the horizontal structure of the wall. In fact, the wall is vertical when it is installed.

The thermal insulation decorative board is an integrally formed board, including thermal insulation material 4 and facing layer 6 .

Preferably, the decorative material of the thermal insulation decorative board can be thin stone, coated cement fiber pressure board, coated calcium silicate board, coated aluminum board, coated aluminum alloy Decorative materials with a certain strength, such as boards, coated steel plates, etc., and the decorative materials are covered with a protective film.

Preferably, the thermal insulation material 4 of the thermal insulation decorative panel is a vacuum insulation panel.

Preferably, a protective layer is provided on the side of the thermal insulation material opposite to the decorative panel in the thermal insulation decorative panel.

Preferably, the protective layer of the thermal insulation material can be cement mortar or pasted cement thin board or calcium silicate board, glass magnesium board, cement fiber thin felt.

The invention further discloses the construction method of the heat preservation decorative board:

1) Fix the formwork on the steel platform and fix the window frame.

2) Lay reinforcement cages in the template or bind reinforcement directly on it.

3) Fix the corresponding lifting points, steel sleeves, fixed fulcrums and other fixed points that are pre-embedded in the concrete.

4) Concrete is poured at one time and vibrated for compaction.

5) Lay thermal insulation decorative panels on top of the vibrated and compacted concrete.

6) Fix the anchors at the seams of the laid insulation decorative panels.

7) Conservation

8) Demoulding and lifting

The manufacturing process of Zhengda assembled self-insulation wall is as follows

The first step is to support the template on the mold table and fix the window frame;

The second step is to lay the reinforcement cage prepared in advance according to the design in the formwork, or directly lay the binding steel bars in the formwork, and fix the sleeves, hooks, support points, threading pipes, Wire box and other components;

The third step is to pour the concrete and vibrate it, and smooth the surface of the concrete;

The fourth step is to directly lay the thermal insulation board with a decorative layer on the surface of the concrete and the decorative layer has a protective film to avoid contamination. When laying the thermal insulation decorative board, insert the anchor directly into the concrete and fix it. The component should be fixed on one side of the decorative panel, and the other end of the anchor should be inserted into the concrete, and the insertion depth should be at least 5cm;

The fifth step is to send the self-insulating wall with the thermal insulation decorative board to the curing kiln for curing;

The sixth step is demoulding, lifting and repairing surface defects. The seam of the decorative layer is treated with foam material (foam strip or foam glue) and filled with the seam of the thermal insulation decorative board and caulked with sealant;

The seventh step is to assemble and install the prepared self-insulation wall according to the design requirements.

In the preparation process of the present invention, the prefabricated installation system produced by heat preservation and laying includes, but not limited to, assembled self-insulating walls, laminated floors, prefabricated floors, prefabricated self-insulating balconies, etc. produced by heat preservation and laying.

The prefabricated self-insulation installation system is a brand-new construction plan for prefabricated buildings with interior decoration, which is composed of factory prefabricated main components, cast-in-place beams and columns, self-contained exterior decoration, and interior assembly. The assembly system has the advantages of fast construction, low cost, quick occupancy, exterior wall decoration and heat preservation with the same service life, and no maintenance during the entire life cycle of the building.

The present invention is an assembled self-insulating wall made of heat-insulating decorative boards. The self-insulating wall integrates functions such as structure, decoration, heat preservation, windows, and threading. It is formed by one-time casting, which is convenient for transportation, installation, and production. Low.

The prefabricated self-insulating wall is formed by one-time casting in the factory, and its production method is made by the process of laying the insulation board.

The first step in the construction process of the prefabricated self-insulating wall thermal insulation decorative panel is to fix the formwork on the vibrating mold platform, and fix the window frame and the like.

The second step of the construction process of the prefabricated self-insulating wall thermal insulation decorative board is to lay the reinforced cages prepared in advance according to the design in the formwork, or directly lay the binding steel bars in the formwork, and fix the self-reinforcing reinforcement cages on the reinforcement cages. Sleeves, hooks, support points, threading pipes, wire boxes and other components for thermal insulation wall panels.

The third step in the construction process of the prefabricated self-insulating wall thermal insulation decorative panel is to directly pour concrete in the formwork and vibrate it, and smooth the surface of the concrete.

The prefabricated self-insulation wall thermal insulation decorative board is in the fourth step of the construction process. Lay the thermal insulation board with a decorative layer on the surface of the polished concrete and the decorative layer has a protective film to avoid contamination. After laying the thermal insulation decoration At the same time, insert the anchor directly into the concrete and fix it. The component of the anchor should be fixed on one side of the decorative panel, and the other end of the anchor should be inserted into the concrete. The insertion depth should be at least 5cm to ensure that after the concrete solidifies, There is enough pulling force.

The decorative material of the thermal insulation decorative board can be thin stone, coated cement fiber pressure board, coated calcium silicate board, coated aluminum board, coated aluminum alloy board, There are decorative materials with certain strength such as coated steel plates, and the decorative materials are covered with a protective film.

The thermal insulation material of the thermal insulation decorative board can be organic foam thermal insulation materials such as polystyrene board, extruded plastic board, polyurethane board, phenolic board, modified polystyrene board, etc., inorganic thermal insulation materials such as airgel felt or airgel board, glass Cotton, rock wool, foam glass, foam cement, sintered perlite board, etc., composite thermal insulation materials such as vacuum insulation board, inorganic composite organic board, etc. The preferred solution is vacuum insulation panels. The protective layer as a preferred thermal insulation material can be cement mortar or paste cement sheet or calcium silicate board, glass magnesium board, cement fiber thin felt.

The fifth step in the construction process of the prefabricated self-insulation wall thermal insulation decorative panel is to send the self-insulation wall with the thermal insulation decorative panel to the curing kiln for curing.

The sixth step in the construction process of the prefabricated self-insulating wall thermal insulation decorative board is demoulding, lifting and repairing surface defects. The seams of the decorative layer are first treated with foaming materials (foaming strips or foaming glue) and filled. Fill the joints of the thermal insulation decorative board and do the caulking treatment with sealant.

The seventh step in the construction process of the prefabricated self-insulation wall thermal insulation decorative panel is to assemble and install the fabricated self-insulation wall according to the design requirements.

1. As a factory-produced architectural structure, a complete system has been formed, which can make the entire building envelope structure fully realize factory production.

2. The peripheral clapboard of the entire bay in factory production has included functions such as structure, windows, heat preservation, decoration, and threading.

3. The external protection structure produced in the factory can completely eliminate defects such as water seepage and gap opening of the PC structure connection through the designed structural waterproof layer.

4. The outer clapboard produced in factory has the characteristics of light weight, thin thickness, convenient production and low production cost.

5. The outer clapboard produced in the factory will be cast with the outer decorative layer (or protective layer) thermal insulation material and the concrete structure wall at one time, so that the thermal insulation, decoration and the building have the same life span.

6. When the above-mentioned thermal insulation materials are used in the industrial production of peripheral wall panels, when the thermal insulation panels with the outer decorative layer (or protective layer) are laid in the formwork, they need to be fixed with anchors, and the joints of the assembled panels are filled with high-efficiency thermal insulation materials. .

7. When the external wall panels are produced in a factory, before laying the insulation board without the outer decorative layer in the formwork, a 1-2cm thick cement mortar layer of 1:2.5-3.5 needs to be laid in the formwork room in advance, and the interior is embedded Mesh cloth or galvanized steel wire.

8. During industrial production, the specification of the mesh cloth embedded in the cement mortar layer should be 160-300 grams, and the specification of the galvanized steel wire mesh should be 0.5-0.9mm in wire diameter and 8.5×8.5-12.7×12.7mm in spacing between.

9. The production of the outer clapboard in the factory production can be divided into two kinds of process methods, the construction process method of the thermal insulation decorative panel, and the reverse construction process of the thermal insulation decorative panel.

Figure 2 shows an improved structure of an integrated wall with a waterproof structure, the wall includes a plurality of concrete walls 3, and the two ends of the concrete wall 3 in the vertical direction are respectively provided with a convex part 7 and a concave part 8 , Adjacent concrete walls are connected through the convex portion 7 and the concave portion 8 .

The structural layer of the prefabricated self-insulation wall includes a load-bearing, earthquake-resistant structural concrete layer and a waterproof construction layer. The waterproof construction layer passes through the structural shape of the prefabricated self-insulation wall, and after the construction is installed and combined, the external The rainwater is kept outside the concrete structure, and the rainwater outside the wall will not seep into the steel bars of the corroded structural layer of the wall, nor will the rainwater outside seep into the room. The upper end of the prefabricated self-insulation wall is provided with a protrusion, and the opposite end is provided with a groove. The grooves of the prefabricated self-insulating wall structural layer are combined to form a water-retaining structural layer.

Preferably, the upper part of the concrete wall is provided with a convex part, and the lower part is provided with a concave part.

Preferably, the thickness of the upper part of the concrete wall is smaller than that of the lower part. By setting in this way, a recess can be set at the connection of adjacent concrete walls, so that relevant materials, such as concrete materials, can be filled in the recess, so as to ensure better connection of adjacent concrete, and at the same time ensure that the connected concrete walls firmness and strength.

Preferably, the thickness of the upper part of the concrete wall is 50-150mm.

Preferably, the height of the thin part of the concrete wall is 200-400 mm.

Through the optimized design of the above dimensions, the concrete wall can save materials to the greatest extent, reduce costs, and at the same time ensure the strength and firmness of the connecting wall.

Preferably, an elastic sealing material is provided at the connection between the convex portion and the concave portion of adjacent concrete walls. By setting the elastic sealing material, the sealing performance can be improved. Further achieve the waterproof effect.

As a preference, thermal insulation materials are provided on the outside of the concrete wall, and a protective layer or a decorative layer is provided on the external of the thermal insulation material.

Preferably, a sealant is provided between the insulation materials of adjacent concrete walls.

Preferably, the thermal insulation material is preferably a thermal insulation board.

Fig. 5-7 has shown a kind of anchor assembly that is used for the anchoring of thermal insulation material, comprises outer anchor 1 and inner anchor 2, as shown in Fig. 1, described outer anchor 1 includes outer anchor central rod 1-1 and the first end cap 1-2 located at the outer end of the outer anchor center rod 1-1, the size of the first end cap 1-2 is greater than the cross-sectional size of the outer anchor center rod 1-1; The central rod 1-1 of the outer anchor is a hollow structure.

As shown in FIG. 6, the inner anchor 2 includes a central rod 2-1 of the inner anchor and a second end cap 2-2 located at the outer end of the central rod 2-1 of the inner anchor. The second end cap 2-2 The size is greater than the size of the cross section of the inner anchor center rod 2-1 inserted into the hollow structure of the outer anchor center rod 1-1, as shown in FIG. 3 .

Preferably, the first end cap 1-2 and the second end cap 2-1 are circular, and the central rods 1-1 and 1-2 are circular in section.

Preferably, the diameter of the first end cap 1-2 is larger than the diameter of the second end cap 2-2. Preferably, the diameter of the first end cap 1-2 is 1.2-1.8 times, preferably 1.3-1.5 times, the diameter of the second end cap 2-2.

Preferably, the diameter of the central rod 1-1 is 6-8 mm, and the diameter of the central rod 1-2 is 3-4 mm.

Preferably, a first protrusion 1-5 is provided on the inner wall of the hollow structure, a second protrusion 2-3 is provided on the outer wall of the inner anchor center rod 2-1, and the inner anchor center rod 2-1 is inserted into the outer wall. When the central rod 1-1 of the anchor is in a hollow structure, the first protrusion and the second protrusion engage with each other.

Preferably, the first protrusion 1-5 and the second protrusion 2-3 are spines.

Preferably, the first protrusion 1-5 extends from the inner wall to the outer end (that is, the direction of the upper end cover 1-2 in FIG. 1 ) or the inner end (that is, the lower convex part 1-3 in FIG. 1 ), and the second The extension direction of the protrusion 2-3 is opposite to that of the first protrusion.

By arranging that the extending directions of the protrusions are opposite, the internal and external anchor components can be hanged upside down by the inverted spines on the internal and external anchor components to form a large pulling force, and there is no need to use metal nails for fixing.

As a preference, the density M of the structure is set as a function of the distance L from the outer end to the inner end, that is, M=F(L), then F'(L)>0, then F''(L)>0, where F'(L), F''(L) are the first and second derivatives of F(L), respectively.

Through the above arrangement, the distribution density of the first protrusions (structure thorns) 1-5 and the second protrusions (structure thorns) 2-3 increases continuously from the outer end to the inner end, and the increasing range becomes larger and larger. Through the above arrangement, the bonding force of the inner and outer protrusions increases continuously with the extension from the outer end to the inner end, which ensures the internal bonding force and makes it more difficult for the inner anchor to be pulled out, thus ensuring the tight combination of the inner and outer anchors. Through experiments, it is found that the fixing force can be increased by about 20-40% by setting in this way.

The above formulas apply to protrusions 1-5 and 2-3.

As preferably, the length of the central rod 1-1 from the outer anchor member 1 is S _, and the density of the protrusions 1-5 provided at the inner end of the central rod is _within M, then the density _of the protrusions 1-5 M=M *(s/ _Stotal ) ^a , where a is a coefficient, 1.18<a<1.23.

The above relationship is obtained through a large number of numerical simulations and experiments, and verified through a large number of experiments. By carrying out the density distribution through the above relationship, the combination degree can be made to be the best.

Preferably, 1.19<a<1.21.

Preferably, a gradually decreases as s/S increases.

Preferably, the inner end of the outer anchor 1 is provided with a convex portion 1-3. By arranging the convex part, the bonding force between the inner end and the wall is further ensured, and the inner end is not easily pulled out.

Preferably, the inner end of the outer anchor is provided with an opening 1-4 extending into the central rod 1-1 of the outer anchor. Correspondingly, the inner end of the inner anchor 2 is also provided with openings corresponding to the openings 1-4, as shown in FIG. 2 .

By setting the openings 1-4, the bonding force between the outer anchor 1 and the wall can be further ensured, so that the outer anchor 1 is not easily pulled out.

Preferably, the outer wall surface of the central rod 1-1 of the outer anchor is provided with thorns 1-6, and the thorns 1-6 extend toward the outer end. That is, it extends toward the upper direction of FIG. 1 .

As a preference, the density m of the thorns on the outer wall is set as a function of the distance L from the outer end to the inner end, that is, m=f(L), then f'(L)>0, then f''(L)>0 , where f'(L), f''(L) are the first and second derivatives of f(L), respectively.

Through the above arrangement, the distribution density of the spines 1-6 increases continuously from the outer end to the inner end, and the increasing range becomes larger and larger. Through the above arrangement, the bonding force between the protrusions 1-6 and the wall increases continuously with the extension from the outer end to the inner end, making it more difficult for the outer anchor to be pulled out, thus ensuring the tight combination of the inner and outer anchors. It is found through experiments that the fixing force can be increased by about 15-30% through such setting.

Preferably, the first end cap and the second end cap are circular, and the diameter of the first end cap is larger than that of the second end cap.

This anchor is mainly used in the prefabricated components of the self-insulation wall produced by the factory. The outer anchor is mainly used to fix the thermal insulation decorative board in the concrete, and the inner anchor is mainly used to insert the cement mortar protective layer outside the thermal insulation decorative board. The glass fiber mesh or steel mesh is anchored, and does not occupy the gap of the thermal insulation decorative board, the thermal bridge of the self-insulation wall is reduced to the minimum, and the internal and external anchor components are hung upside down by the inverted thorns on the internal and external anchor components, forming a very Large pulling force, and no need to use metal nails to fix.

The above is only a preferred embodiment of the present invention, and the scope of protection of the present invention is not limited to the above-mentioned embodiments, and all technical solutions that fall under the idea of this invention belong to the scope of protection of the present invention. It should be pointed out that for those skilled in the art, any improvement without departing from the principle of the present invention is also considered as the protection scope of the present invention.

Claims (10)

1. a kind of Assembled self-insulating wall, the wall includes concrete wall, heat insulating decorative board, and the concrete walls are external Portion sets heat insulating decorative board.

2. the side band matcoveredn that as claimed in claim 1, insulation material is relative with decorative panel in heat insulating decorative board, protective layer Can be cement mortar or binding cement thin plate or calcium silicate board, glass magnesium board, Cement fibre mat.

3. self heat insulation wall as claimed in claim 1, the ornament materials of the heat insulating decorative board can be thin type stone material, with painting The cement fibre pressure plate of layer, the calcium silicate board of coating, the aluminium sheet of coating, the aluminium alloy plate of coating, carry The ornament materials with some strength such as coated steel sheet, and the overcoating protective film of ornament materials.

4. self heat insulation wall as claimed in claim 1, the insulation material of the heat insulating decorative board is vacuum heat-insulating plate.

5. wall as claimed in claim 1, it is characterised in that the heat insulating decorative board and concrete wall pass through anchoring piece group Component is fixed, and the anchoring piece sub-assembly includes outer anchoring piece and interior anchoring piece, and the outer anchoring piece includes outer anchoring piece Center-pole and the first end cap positioned at outer anchoring piece center-pole outer end, the size of first end cap are more than outer anchoring piece center The size of the cross section of bar；The outer anchoring piece center-pole is hollow structure；The interior anchoring piece includes interior anchoring piece center-pole And positioned at the second end cap of interior anchoring piece center-pole outer end, the horizontal stroke of the size more than interior anchoring piece center-pole of second end cap The size in section, the interior anchoring piece center-pole is inserted in the hollow structure of outer anchoring piece center-pole.

6. a kind of preparation technology of Assembled self-insulating wall as described in one of claim 1-5, the heat insulating decorative board is adopted With construction technology is just beaten, comprise the following steps that：

Step 1）, the fixed form on platform, and window frame is fixed；

Step 2）, steel reinforcement cage or assembling reinforcement directly above are laid in template；

Step 3）, the fixed corresponding fixing point being embedded into concrete；

Step 4）, pour into a mould concrete and vibration compacting；

Step 5）, in step 4）Concrete above lay heat insulating decorative board；

Step 6）, in the plate stitch fixed anchors of the warming plate completed；

Step 7）, maintenance；

Step 8）, demoulding lifting.

7. preparation technology as claimed in claim 6, it is characterised in that step 3）In fixing point include lifting point, reinforcing bar set Cylinder, fixed pivot.

8. the preparation technology of a kind of Assembled self-insulating wall as described in one of claim 1-5, self heat insulation wall is using just Assembled is beaten, manufacture craft is as follows：

The first step, has propped up template, and fix window frame in die station；

Second step, will be laid in template, or colligation steel is directly laid in template according to the steel reinforcement cage for designing and producing in advance Muscle, fixes the part of Self-insulation wall plate on steel reinforcement cage；

3rd step, pours into a mould concrete and vibrates, the floating receipts light in surface of concrete；

4th step, the directly surface laying in concrete carries the warming plate and decorative layer of decorative layer with protective film, in order to avoid It is contaminated, anchoring piece is inserted directly into concrete and fixed while heat insulating decorative board is laid, the component of anchoring piece will Decorative board side is fixed on, the other end of anchoring piece will be inserted in concrete；

5th step, the self heat insulation wall that will complete heat insulating decorative board is sent to maintenance in curing kilns；

6th step, demoulding lifting and chipping, are first processed the plate stitch of decorative layer with expanded material and clog full insulation The plate stitch of decorative panel and do fluid sealant filleting treatment；

7th step, the self heat insulation wall that will be made is combined installation by design requirement.

9. preparation technology as claimed in claim 8, it is characterised in that the part that Self-insulation wall plate is fixed in second step includes Sleeve, suspension hook, the strong point, penetration pipe, electric wire box.

10. preparation technology as claimed in claim 8, it is characterised in that the other end of anchoring piece will insert coagulation in the 4th step In native, insertion depth at least wants more than 5cm.