CN214531285U

CN214531285U - Composite external wall external thermal insulation structure

Info

Publication number: CN214531285U
Application number: CN202120341488.XU
Authority: CN
Inventors: 高欣欣; 艾鹏; 高大勇; 杨荣; 李鹏
Original assignee: Beijing Runya Construction Engineering Development Co ltd
Current assignee: Beijing Runya Construction Engineering Development Co ltd
Priority date: 2021-02-06
Filing date: 2021-02-06
Publication date: 2021-10-29
Anticipated expiration: 2031-02-06

Abstract

The application relates to a composite external thermal insulation structure, which comprises a wall body mechanism and a thermal insulation mechanism, wherein the wall body mechanism comprises a wall body and a pouring cavity, a reinforcement cage is arranged in the pouring cavity, a longitudinal grouting pipe is arranged in the reinforcement cage, and the longitudinal grouting pipe is laid along the vertical direction of the reinforcement cage; a plurality of horizontal grouting pipes are communicated with the adjacent longitudinal grouting pipes along the length direction, and the horizontal grouting pipes are horizontally laid between the reinforcement cages; this application has the effect that increases wall body insulation structure intensity.

Description

Composite external wall external thermal insulation structure

Technical Field

The application relates to the technical field of building materials, in particular to a composite external wall external thermal insulation structure.

Background

At present, with the continuous improvement of the national requirements for energy conservation of buildings, corresponding energy-saving standards are provided in all places, the Beijing market requires 75% energy-saving level, and the heat-insulating layer commonly used in China mainly comprises organic heat-insulating materials such as hard foam polyurethane and EPS or inorganic heat-insulating materials such as rock wool and Vacuum Insulation Panels (VIP). Among the heat insulation materials, the organic heat insulation material has good heat insulation performance, but often cannot meet the requirements of the existing national fire protection standard, some inorganic materials have low heat conductivity coefficient, although the fire resistance can reach A level, the heat resistance is large, the inorganic heat insulation material cannot be directly applied to the external wall of the building due to the strength limitation, and the market needs an external wall heat insulation structure integrating excellent fire resistance and good heat insulation performance.

The traditional Chinese utility model with the publication number of CN203947604U discloses an external thermal insulation structure of an external wall of a rock wool polyurethane composite thermal insulation board, which comprises a rock wool polyurethane composite thermal insulation board, an auxiliary connecting piece, glass fiber gridding cloth and a finishing coat; one surface of the glass fiber gridding cloth is connected with the rock wool polyurethane composite insulation board, and the other surface of the glass fiber gridding cloth is connected with the decorative surface layer; a bottom layer plastering mortar is arranged between the rock wool polyurethane composite insulation board and the glass fiber gridding cloth; a surface layer plastering mortar is arranged between the finishing layer and the glass fiber gridding cloth; the rock wool polyurethane composite external thermal insulation board comprises a cement glass fiber felt, a rock wool board and a polyurethane board.

To the correlation technique among the above-mentioned, the inventor thinks this utility model does not design the connection structure between the different insulation material for there is not enough hidden danger of structural strength in the heat preservation outer wall.

SUMMERY OF THE UTILITY MODEL

In order to increase the structural strength of heat preservation, this application provides a compound outer wall insulation construction.

The technical scheme provided by the application is as follows:

a composite external thermal insulation structure for an external wall comprises a wall body mechanism and a thermal insulation mechanism, wherein the wall body mechanism comprises a wall body and a pouring cavity, a reinforcement cage is arranged in the pouring cavity, a longitudinal grouting pipe is arranged in the reinforcement cage, and the longitudinal grouting pipe is laid along the vertical direction of the reinforcement cage; and a plurality of horizontal grouting pipes are communicated with the adjacent longitudinal grouting pipes along the length direction, and the horizontal grouting pipes are horizontally laid between the reinforcement cages.

By adopting the technical scheme, the reinforcement cage is abutted against the inner wall surface of the perfusion cavity, so that the structural strength of the perfusion cavity can be effectively enhanced, the perfusion cavity can effectively resist the impact of external mechanical force, and the internal structure of the internal perfusion cavity is protected; the pouring cavity is gradually filled through the longitudinal grouting pipe and the horizontal grouting pipe, so that the reinforcement cage, the longitudinal grouting pipe and the horizontal grouting pipe are poured inside the pouring cavity, and the overall structural strength of the pouring cavity is enhanced.

Optionally, the reinforcement cage includes vertical reinforcing bar, horizontal reinforcing bar and slant reinforcing bar, and vertical slip casting intraduct is the hollow cylindrical structure, and the outer peripheral face of vertical slip casting pipe welds in one side of a plurality of horizontal reinforcing bar outer peripheral faces.

Through adopting above-mentioned technical scheme, vertical slip casting pipe does not take place to interfere with the horizontal reinforcement, and vertical slip casting pipe is parallel with vertical reinforcing bar inside pouring the cavity to make and pour into crisscross the setting of cavity inner structure, and do not influence the slip casting process of vertical slip casting pipe.

Optionally, the lower end of the longitudinal grouting pipe is suspended in the air relative to the lower end face in the pouring cavity.

By adopting the technical scheme, the lower end part of the longitudinal grouting pipe does not interfere with the bottom surface of the perfusion cavity in the downward grouting process, so that the perfusion process can be completed more smoothly, the perfusion slurry gradually rises in the perfusion cavity, and finally the inner space of the perfusion cavity is filled.

Optionally, the horizontal grouting pipe is horizontally laid between the reinforcement cages, and a gap exists between the end of the horizontal grouting pipe and the side wall of the hollow structure in the pouring cavity.

Through adopting above-mentioned technical scheme, when pouring the inside certain height that reaches of cavity, can carry out the slip casting to the outside through the tip of horizontal slip casting pipe simultaneously to increase the efficiency and the speed of slip casting, and make the slip casting horizontal plane rise more even.

Optionally, the end of the longitudinal perfusion tube on the surface of the perfusion cavity is provided with a fixing plug, and the size of the fixing plug is matched with the inner wall of the end of the longitudinal perfusion tube.

Through adopting above-mentioned technical scheme, but fixed stopper joint in the port department of vertical filling pipe to make vertical filling pipe inside can not get into other impurity placing the in-process, keep the unicity of inside thick liquid composition that fills, and then increase the structural strength who fills the cavity, and fixed stopper can make vertical filling pipe pour inside filling the cavity completely, thereby make and fill the cavity inner structure and have the wholeness.

Optionally, the longitudinal grouting pipe is filled with thermal insulation mortar.

By adopting the technical scheme, the heat-insulating mortar is premixed dry-mixed mortar which is prepared by taking various light materials as main raw materials, adopting cement as a cementing material, adding a modified additive of mixed components into the raw materials and stirring and mixing, has the characteristic of good heat-insulating durability, can be mainly used for heat insulation of an external wall of a building and can isolate external cold air from entering the inside of the wall body.

Optionally, heat preservation mechanism includes parcel layer and rock wool board, and the rigid coupling has the steelframe between parcel layer and the rock wool inboard wall, and the steelframe is triangle-shaped steel frame construction, and the inseparable rigid coupling of the upper and lower terminal surface of steelframe in the relative terminal surface of parcel layer and rock wool board.

Through adopting above-mentioned technical scheme, triangle-shaped steel frame construction self has better stability for the steelframe can play the supporting role to parcel layer and rock wool board, thereby has reduced the possibility of parcel layer and rock wool layer terminal surface deformation, has increased the holistic structural strength of heat preservation mechanism.

Optionally, the gap between the steel frames may be filled with fire-proof cotton.

By adopting the technical scheme, the fireproof cotton can play a fireproof protection role in the overall structure of the composite outer wall, so that the fire hazard of the composite outer wall is reduced, the fireproof cotton has good heat insulation performance and heat insulation performance at the same time, and can realize heat insulation on a wall body together with other heat insulation structures; the filling of the fireproof cotton in the steel frame enables the gap in the steel frame to be effectively utilized, the wall quality cannot be greatly increased, and the composite outer wall structure has integrity.

To sum up, the application comprises the following beneficial technical effects:

1. the longitudinal grouting pipe and the horizontal grouting pipe are used for pouring heat insulation mortar into the pouring cavity, so that the internal structure position of the pouring cavity is relatively fixed, and the structural stability of the pouring cavity is enhanced while the wall body is subjected to heat insulation treatment;

2. the reinforcement cage inside the pouring cavity is tightly poured by the thermal insulation mortar, so that the impact resistance of the pouring cavity can be improved by the reinforcement cage, and the structural strength of the composite outer wall is improved;

3. the steel frame structure can effectively prevent the phenomenon that the wrapping layer and the rock wool layer deform to cause the deformation of the wall body.

Drawings

Fig. 1 is a schematic view of a composite external wall external thermal insulation structure.

Fig. 2 is a sectional view showing an inner structure of the perfusion cavity.

Fig. 3 is a side view of the internal structure of the perfusion cavity.

FIG. 4 is a schematic view of the structure of the heat-insulating mechanism

In the figure, 1, wall body mechanism, 11, wall body, 12, pouring cavity, 13, waterproof board, 14, waterproof belt, 15, reinforcement cage, 151, vertical reinforcing bar, 152, horizontal reinforcing bar, 153, slant reinforcing bar, 16, vertical slip casting pipe, 17, horizontal slip casting pipe, 18, fixed stopper, 2, heat preservation mechanism, 21, parcel layer, 22, rock wool board, 23, steelframe, 24, fixing bolt.

Detailed Description

The present application is described in further detail below with reference to the accompanying drawings.

The embodiment of the application discloses outer insulation construction of compound outer wall.

Referring to fig. 1, the composite external thermal insulation structure for the external wall comprises a wall body mechanism 1 and a thermal insulation mechanism 2.

Referring to fig. 1 and 2, the wall mechanism 1 includes a wall body 11, and the wall body 11 is rectangular; in order to increase the structural strength of the wall body 11, the peripheral surface of the wall body 11 is fixedly connected with a pouring cavity 12, the pouring cavity 12 is rectangular, the size of the end surface of the pouring cavity is the same as that of the wall body 11, the interior of the pouring cavity 12 is of a hollow structure, the hollow structure is rectangular, the pouring cavity 12 is constructed by adopting a standard metal type material, and the standard metal type material has equivalent dead weight stability and impact resistance stability, so that the pouring cavity 12 has the functions of strong bearing capacity, impact resistance, smashing resistance and difficult deformation; the waterproof plate 13 is fixedly connected to the outer surface of the pouring cavity 12, the waterproof plate 13 can be made of asphalt waterproof materials, and the asphalt waterproof materials have good cohesiveness, plasticity, water resistance, corrosion resistance and durability, so that the outer surface of the pouring cavity 12 cannot be washed and corroded by rainwater, and the durability of the pouring cavity 12 is improved; waterproof strips 14 are bonded at the gaps of the adjacent waterproof plates 13, and the waterproof strips 14 can effectively prevent rainwater from entering the waterproof plates 13 through the gaps between the waterproof plates 13, so that the waterproofness of the filling cavity 12 is further enhanced.

A reinforcement cage 15 is arranged in the pouring cavity 12, the reinforcement cage 15 is rectangular, the peripheral surface of the reinforcement cage 15 is tightly abutted against the inner wall surface of the pouring cavity 12, and the reinforcement cage 15 can effectively enhance the structural strength of the pouring cavity 15, so that the pouring cavity 12 has better impact resistance; the reinforcement cage 15 comprises vertical reinforcements 151, and a plurality of vertical reinforcements 151 are arranged along the length direction of the pouring cavity 12; a plurality of horizontal steel bars 152 are horizontally welded on the inner sides of the adjacent vertical steel bars 151 at equal intervals, and the horizontal steel bars 152 enable the adjacent vertical steel bars 152 to be connected; oblique reinforcing steel bars 153 are welded between the adjacent vertical reinforcing steel bars 151 and the adjacent horizontal reinforcing steel bars 152, a plurality of oblique reinforcing steel bars 153 are arranged, the directions of the oblique reinforcing steel bars 153 in the reinforcement cage 15 are the same, and two ends of each oblique reinforcing steel bar 153 are respectively welded at right angles where the vertical reinforcing steel bars 151 and the horizontal reinforcing steel bars 152 are welded; the surfaces of the vertical steel bars 151, the horizontal steel bars 152 and the oblique steel bars 153 are provided with antirust paint, the antirust paint adopts phytate as a main raw material, the phytate is a natural non-toxic organic chemical product extracted from grain crops, and when the phytate is used as a magnetic material antirust agent, the phytate can be quickly chelated with metal on the surface to form a layer of compact monomolecular complex protective film, so that the corrosion of the metal can be effectively inhibited, and the vertical steel bars 151, the horizontal steel bars 152 and the oblique steel bars 153 have higher durability.

Referring to fig. 2 and 3, a longitudinal grouting pipe 16 is arranged inside the steel reinforcement cage 15, the longitudinal grouting pipe 16 is laid along the vertical direction of the steel reinforcement cage 15, two longitudinal grouting pipes 16 are arranged inside the steel reinforcement cage 15 and located in the same horizontal plane, the longitudinal grouting pipe 16 is of a hollow cylindrical structure, the outer peripheral surface of each longitudinal grouting pipe 16 is welded to one side of the outer peripheral surface of each horizontal steel bar 152, the upper end of each longitudinal grouting pipe 16 is embedded into the upper end surface of the corresponding perfusion cavity 12, and the lower end of each longitudinal grouting pipe 16 is arranged in a suspended mode relative to the lower end surface inside the corresponding perfusion cavity 12, so that grouting does not interfere with the bottom surface of the hollow structure inside the corresponding perfusion cavity 12 when flowing along the longitudinal grouting pipe 16; the longitudinal grouting pipe 16 is filled with thermal insulation mortar, and the thermal insulation mortar has the characteristic of good thermal insulation durability and can be mainly used for thermal insulation of the external wall of a building to isolate external cold air from entering the interior of the wall; a plurality of horizontal grouting pipes 17 are communicated with two adjacent longitudinal grouting pipes 16 along the length direction, the horizontal grouting pipes 17 are horizontally laid between the reinforcement cages 15, and gaps exist between the end parts of the horizontal grouting pipes 17 and the side wall of the hollow structure in the pouring cavity 12, in the operation process, pouring grout injected by the longitudinal grouting pipes 16 can gradually form the gaps in the reinforcement cages 15, so that the reinforcement cages 15 are tightly fixed in the pouring cavity 12, the pouring grout can transversely flow through the horizontal grouting pipes 17, the pouring efficiency is increased, and finally the pouring cavity 12 and the reinforcement cages 15 are solidified and molded through filling of the pouring grout; the end part of the surface of the cavity 12 for filling the longitudinal filling pipe 16 is provided with a fixed plug 18, the size of the fixed plug 18 is matched with the inner wall of the end part of the longitudinal filling pipe 16, the fixed plug 18 is tightly clamped at the port part of the longitudinal filling pipe 16, and the fixed plug 18 can be inserted into the end part of the longitudinal filling pipe 16 after filling is finished, so that other impurities cannot enter the interior of the longitudinal filling pipe 16, the unicity of the components of the inside filling slurry is kept, and the structural strength of the cavity 12 for filling is further improved.

Referring to fig. 1 and 4, the heat preservation mechanism 2 comprises a wrapping layer 21, the wrapping layer 21 is of a rectangular cavity structure, the side wall of the wrapping layer 21 is of an opening structure, the size of the end face of the wrapping layer 21 is the same as that of the wall body 11, and the end face of the wrapping layer 21 is fixedly connected to the outer surface of the waterproof plate 13 on the end face of the pouring cavity 12, so that the wrapping layer 21, the wall body 11 and the pouring cavity 12 have integrity; the wrapping layer 21 is made of a vacuum heat insulation plate material, the vacuum heat insulation plate has extremely low heat conductivity coefficient, can effectively play a role in heat preservation and heat insulation for the wall body 11, and has the advantages of thin thickness, small outer volume and light weight of the heat preservation layer, so that the installation process of the wrapping layer 21 is simpler and more convenient, and the installation cost is reduced; the rock wool board 22 is fixedly connected inside the wrapping layer 21, the rock wool board 22 is rectangular and has the same size as the size of the inner wall of the wrapping layer 21, the upper end face and the lower end face of the rock wool board 22 are fixedly connected with the inner wall of the wrapping layer 21, the rock wool board 21 is vertically arranged and is positioned at the horizontal axis of the wrapping layer 21, the rock wool board 22 is an inorganic fiber board which is formed by high-temperature melting processing by taking basalt as a material, and the rock wool board 22 has the advantages of small heat conductivity coefficient, heat absorption and non-combustion, so that the rock wool board 22 can be matched with the wrapping layer 21 and plays a heat preservation role on the wall body 11, and the rock wool board 22 is lighter in weight relative to other heat preservation materials, and the rock wool board 22 is convenient to be installed inside the wrapping layer 21; a steel frame 23 is fixedly connected between the rock wool plate 22 and the inner wall of the wrapping layer 21, the steel frame 23 is of a triangular steel frame structure, the upper end face and the lower end face of the steel frame 23 are fixedly connected to the surfaces of the opposite end faces of the wrapping layer 21 and the rock wool plate 22, and the steel frame 23 can increase the structural strength inside the wrapping layer 21, so that the wrapping layer 21 has impact resistance and structural stability, the wrapping layer 21 can effectively resist external impact force, and the damage to the internal structure of the wrapping layer 21 is reduced; the space between the steelframe 23 can be filled with fireproof cotton, and fireproof cotton utilizes low melting point adhesive fiber to mix and forms by polyester fiber raw materials after carding the lapping shaping, and fireproof cotton can play the fire prevention guard action to parcel layer 21 inner structure, reduces conflagration hidden danger, and fireproof cotton has better heat insulating properties and heat-proof quality to increase parcel layer 21's heat preservation effect.

Referring to fig. 4, in order to better fix the wrapping layer 21 and the pouring cavity 12, a plurality of through holes are formed in the outer end surface of the wrapping layer 21, the through holes penetrate through the structure of the wrapping layer 21, internal threads are formed in the inner wall of each through hole, a fixing bolt 24 is arranged in each through hole, each fixing bolt 24 is connected to the inside of each through hole in a threaded manner, the end portion of each fixing bolt 24 penetrates through the waterproof plate 13 on the outer surface of the pouring cavity 12 and is fixed in the internal structure of the pouring cavity 12, and the fixing bolts 24 do not interfere with the internal structure of the wrapping layer 21; the anchor bolts 24 may provide integrity to the encasement 21 and the pour cavity 12, thereby increasing the structural strength of the composite insulated wall.

The implementation principle of the composite external wall external thermal insulation structure in the embodiment of the application is as follows: in the operation process, a worker can fill heat insulation mortar into the interior of the longitudinal grouting pipe 16 on the upper end surface of the pouring cavity 12, the heat insulation mortar enters the pouring cavity 12 along the inner wall of the longitudinal grouting pipe 16 and gradually fills the interior cavity of the pouring cavity 12, and when the pouring cavity rises to a certain height, the pouring mortar can discharge the mortar out of the pipe body through the horizontal grouting pipe 17, so that the grouting speed is accelerated, the heat insulation mortar can fix the reinforcement cage 15 into the pouring cavity 12, and the structural strength of the pouring cavity 12 is enhanced; after the pouring is finished, a fixed plug 18 can be plugged at the upper end part of the longitudinal grouting pipe 16, so that the pipe body of the longitudinal grouting pipe 16 is sealed; the terminal surface rigid coupling that fills cavity 12 and deviate from wall body 11 has heat preservation mechanism 2, wrapping layer 21 and rock wool board 22 in the heat preservation mechanism 2 can play the heat preservation effect to wall body 11, the inside steelframe 23 of wrapping layer 21 and rock wool board 22 can play the effect that increases heat preservation mechanism 2 structural strength, make heat preservation mechanism 2 be difficult to take place deformation, accessible fixing bolt 24 wears to locate heat preservation mechanism 2's inside and is fixed in on the outer terminal surface that fills cavity 12 after the installation is accomplished, thereby play the effect of consolidating the outer insulation construction of compound outer wall.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a compound outer wall insulation construction, includes wall body mechanism (1) and heat preservation mechanism (2), its characterized in that: the wall mechanism (1) comprises a wall body (11) and a pouring cavity (12), the pouring cavity (12) comprises a reinforcement cage (15), a longitudinal grouting pipe (16) is arranged inside the reinforcement cage (15), and the longitudinal grouting pipe (16) is laid along the vertical direction of the reinforcement cage (15); a plurality of horizontal grouting pipes (17) are communicated with the adjacent longitudinal grouting pipes (16) along the length direction, and the horizontal grouting pipes (17) are horizontally laid between the reinforcement cages (15).

2. The composite external thermal insulation structure of claim 1, which is characterized in that: the reinforcement cage (15) comprises vertical reinforcements (151), horizontal reinforcements (152) and oblique reinforcements (153), the interior of the longitudinal grouting pipe (16) is of a hollow cylindrical structure, and the peripheral surface of the longitudinal grouting pipe (16) is welded on one side of the peripheral surface of the horizontal reinforcements (152).

3. The composite external thermal insulation structure of claim 1, which is characterized in that: the lower end part of the longitudinal grouting pipe (16) is arranged in a suspended mode relative to the inner lower end face of the pouring cavity (12).

4. The composite external thermal insulation structure of claim 1, which is characterized in that: the end of the horizontal grouting pipe (17) has a gap with the side wall of the hollow structure in the pouring cavity (12).

5. The composite external thermal insulation structure of claim 1, which is characterized in that: the end part of the longitudinal grouting pipe (16) on the surface of the pouring cavity (12) is provided with a fixed plug (18), and the size of the fixed plug (18) is matched with the inner wall of the end part of the longitudinal grouting pipe (16).

6. The composite external thermal insulation structure of claim 1, which is characterized in that: the longitudinal grouting pipe (16) is filled with thermal insulation mortar.

7. The composite external thermal insulation structure of claim 1, which is characterized in that: heat preservation mechanism (2) are including parcel layer (21) and rock wool board (22), parcel layer (21) with the rigid coupling has steelframe (23) between rock wool board (22) inner wall, steelframe (23) are triangle-shaped steel frame construction, just the inseparable rigid coupling of upper and lower terminal surface of steelframe (23) in parcel layer (21) with the relative terminal surface of rock wool board (22).

8. The composite external thermal insulation structure of claim 7, which is characterized in that: the gaps between the steel frames (23) can be filled with fireproof cotton.