CN112211310A - External thermal insulation structure of external wall and construction process - Google Patents
External thermal insulation structure of external wall and construction process Download PDFInfo
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- CN112211310A CN112211310A CN202011168017.XA CN202011168017A CN112211310A CN 112211310 A CN112211310 A CN 112211310A CN 202011168017 A CN202011168017 A CN 202011168017A CN 112211310 A CN112211310 A CN 112211310A
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- fireproof isolation
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- 238000009413 insulation Methods 0.000 title claims abstract description 63
- 238000010276 construction Methods 0.000 title claims abstract description 30
- 238000000034 method Methods 0.000 title claims abstract description 26
- 230000008569 process Effects 0.000 title claims abstract description 24
- 239000004744 fabric Substances 0.000 claims abstract description 44
- 239000000853 adhesive Substances 0.000 claims abstract description 36
- 230000001070 adhesive effect Effects 0.000 claims abstract description 36
- 239000003365 glass fiber Substances 0.000 claims abstract description 28
- 230000002265 prevention Effects 0.000 claims abstract description 18
- 238000004321 preservation Methods 0.000 claims abstract description 16
- 238000005253 cladding Methods 0.000 claims abstract description 4
- 238000002955 isolation Methods 0.000 claims description 69
- 230000001681 protective effect Effects 0.000 claims description 29
- 230000000670 limiting effect Effects 0.000 claims description 25
- 239000010410 layer Substances 0.000 claims description 22
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 claims description 18
- 239000003292 glue Substances 0.000 claims description 18
- 239000002344 surface layer Substances 0.000 claims description 18
- 239000011248 coating agent Substances 0.000 claims description 15
- 238000000576 coating method Methods 0.000 claims description 15
- 239000000463 material Substances 0.000 claims description 12
- 230000007246 mechanism Effects 0.000 claims description 11
- 239000004568 cement Substances 0.000 claims description 9
- 239000011521 glass Substances 0.000 claims description 9
- 238000009877 rendering Methods 0.000 claims description 9
- 229910000831 Steel Inorganic materials 0.000 claims description 7
- 239000010959 steel Substances 0.000 claims description 7
- 239000011490 mineral wool Substances 0.000 claims description 6
- 238000002360 preparation method Methods 0.000 claims description 6
- 238000012856 packing Methods 0.000 claims description 5
- 238000003756 stirring Methods 0.000 claims description 5
- 239000003513 alkali Substances 0.000 claims description 3
- 239000002585 base Substances 0.000 claims description 3
- 239000011230 binding agent Substances 0.000 claims description 3
- 239000003795 chemical substances by application Substances 0.000 claims description 3
- 238000004140 cleaning Methods 0.000 claims description 3
- 239000004567 concrete Substances 0.000 claims description 3
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 238000009422 external insulation Methods 0.000 claims 6
- 239000000945 filler Substances 0.000 claims 5
- 238000011049 filling Methods 0.000 description 23
- 230000004888 barrier function Effects 0.000 description 10
- 239000012790 adhesive layer Substances 0.000 description 9
- 239000004570 mortar (masonry) Substances 0.000 description 8
- 230000000694 effects Effects 0.000 description 7
- 239000011152 fibreglass Substances 0.000 description 6
- 230000009471 action Effects 0.000 description 5
- 238000010030 laminating Methods 0.000 description 5
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- 230000037431 insertion Effects 0.000 description 1
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Classifications
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/74—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
- E04B1/76—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to heat only
- E04B1/78—Heat insulating elements
- E04B1/80—Heat insulating elements slab-shaped
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/74—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
- E04B1/76—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to heat only
- E04B1/762—Exterior insulation of exterior walls
- E04B1/7625—Details of the adhesive connection of the insulation to the wall
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/92—Protection against other undesired influences or dangers
- E04B1/94—Protection against other undesired influences or dangers against fire
- E04B1/941—Building elements specially adapted therefor
- E04B1/942—Building elements specially adapted therefor slab-shaped
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F13/00—Coverings or linings, e.g. for walls or ceilings
- E04F13/02—Coverings or linings, e.g. for walls or ceilings of plastic materials hardening after applying, e.g. plaster
- E04F13/04—Bases for plaster
- E04F13/047—Plaster carrying meshes
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Physics & Mathematics (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Electromagnetism (AREA)
- Acoustics & Sound (AREA)
- Building Environments (AREA)
Abstract
The utility model relates to an outer thermal insulation structure of outer wall and construction process mainly relates to the field of outer wall structure, and it includes the coat of plastering, coat in the coat of outer wall main part surface and keeps away from the adhesive linkage of outer wall main part one side, set up in the adhesive linkage keep away from the heat preservation of coat one side and set up in the protection surface course that the adhesive linkage was kept away from to the heat preservation, the embedded glass fiber net check cloth that is equipped with of protection surface course, the heat preservation includes a plurality of heated boards and sets up in the fire prevention median in adjacent heated board clearance, fire prevention median cladding has the glass fiber net check cloth of second, the upper and lower border of the glass fiber net check cloth of second stretches into to the adhesive linkage after the clearance subdividing respectively keeps away from the extension mutually. This application can make the connection in the outer wall main part that the fire prevention median is comparatively inseparable relatively and stable.
Description
Technical Field
The application relates to the field of external wall structures, in particular to an external thermal insulation structure of an external wall and a construction process.
Background
The heat-insulation boards are used as heat-insulation building materials in buildings, but according to fire-fighting and fire-prevention requirements, the outer wall of the floor slab is provided with fire-prevention isolation belts which are arranged in gaps between adjacent heat-insulation boards, the height of a residential building is more than or equal to 60m, and each floor is provided with a horizontal fire-prevention isolation belt; the height of the house is more than or equal to 24m and less than 60m, and each two floors are provided with horizontal fireproof isolation belts; the height of the house is less than 24m, and each three floors are provided with horizontal fire-proof isolation belts. The width of the horizontal fireproof isolation belt is not less than 300mm, and the thickness of the horizontal fireproof isolation belt is the same as that of the heat insulation layer of the outer wall main body. However, gaps are easily formed between the heat-insulating layer arranged on the outer wall of the floor slab and the fireproof isolation belts after long-term use, and the cracks easily cause rainwater leakage.
Chinese patent with application number CN201420382807.1 in the prior art discloses an external thermal insulation fireproof isolation belt structure for external wall, which has the technical points that: waterproof mortar is smeared outside the outer wall main body, a heat insulation board and a fireproof isolation belt are arranged outside the waterproof mortar, the fireproof isolation belt is made of mineral wool boards, the mineral wool boards are wrapped with steel wire meshes for plastering, an anti-cracking net is hung outside the whole body of the heat insulation board and the fireproof isolation belt, fireproof mortar is smeared, and the fireproof mortar is a main body surface layer outside the fireproof mortar.
In view of the above-mentioned related technologies, the inventor believes that after long-term use, since the fireproof isolation belt is connected to the outer wall main body through waterproof mortar, after long-term use, the fireproof isolation belt is easy to be separated from the outer wall main body due to an excessively small connection area to generate a gap, so that rainwater leakage and the like are caused, and the use effect is relatively poor.
Disclosure of Invention
In order to make the whole connection in the outer wall main part that can relatively stable of fire barrier zone, this application provides a heat preservation structure and construction technology outside the outer wall.
First aspect, the application provides an outer insulation construction of outer wall adopts following technical scheme:
the utility model provides an outer insulation construction of outer wall, includes applying in the plastering layer of outer wall main part surface, applies in the plastering layer and keeps away from the adhesive linkage of outer wall main part one side, sets up in the adhesive linkage keep away from the heat preservation of plastering layer one side and set up in the protection surface course that the adhesive linkage was kept away from to the heat preservation, the embedded glass fibre net check cloth that is equipped with of protection surface course, the heat preservation includes a plurality of heated boards and sets up in the fire prevention median in adjacent heated board clearance, fire prevention median cladding has the glass fibre net check cloth of second, the upper and lower border of the glass fibre net check cloth of second stretches into to the adhesive linkage after the rethread respectively keeps away from the extension mutually.
By adopting the technical scheme, when the fireproof isolation belt is used, the first glass fiber mesh cloth can effectively enhance the strength of the protective surface layer, so that the limiting effect of the protective surface layer on the fireproof isolation belt is optimized; in addition, the upper edge and the lower edge of the second glass fiber gridding cloth are located between the bonding layer and the heat-insulating plate, integrity and connection strength between the fireproof isolation belt and the heat-insulating plate can be further enhanced, and stability and connection strength between the fireproof isolation belt and the outer wall body can be enhanced through the second glass fiber gridding cloth.
Optionally, the width between the insulation board and the outer wall main body, which is extended from the upper edge and the lower edge of the second glass fiber mesh cloth, is not less than 100 mm.
Through adopting above-mentioned technical scheme, can effectually reduce because of the fine net check cloth of second glass is located the width undersize between heated board and the outer wall main part and leads to the not good probability of restriction effect to the fire prevention median.
Optionally, a fixing mechanism for enhancing the connection strength between the fireproof isolation belt and the outer wall main body is arranged in the fireproof isolation belt.
Through adopting above-mentioned technical scheme, can further strengthen the stability and the compactness of being connected between fire prevention median and the outer wall main part through fixed establishment.
Optionally, the fixing mechanism comprises a fixing pipe with one end pre-arranged in the fireproof isolation belt and a plurality of fixing pins arranged around the fixing pipe, a plurality of sliding ports extending along the axial direction of the fixing pipe are arranged around the fixing pipe, the sliding ports are connected with sliding blocks in a sliding manner, one end of each fixing pin is hinged to each sliding block, each sliding block is provided with an elastic piece which enables each fixing pin to rotate towards the direction far away from the fixing pipe, each fixing pipe is provided with a tension spring which pulls each sliding block to slide towards the fireproof isolation belt, a plurality of fixing strips with two ends respectively connected to the fixing pipe and the corresponding sliding block are arranged in each fixing pipe, at least one clamping port is arranged on the side edge of the side opening in the length direction of each sliding port, each sliding block is fixedly connected with an elastic limiting piece which extends towards the fireproof isolation belt firstly and then extends towards the clamping, the outer wall main part is provided with a fixing hole used for connecting the fixing pipe, and the fixing hole is a stepped hole and is a small-end opening.
By adopting the technical scheme, in the process of attaching the fireproof isolation belt to the bonding layer, the fixed pipe can be gradually inserted into the fixed hole, in the process, the fixed pin can rotate towards the fixed pipe under the limitation of the small-diameter part of the fixed hole, the elastic limiting piece is shifted by driving the shifting block to cut off the fixed strip, at the moment, the elastic limiting piece is inserted into the clamping port to limit the sliding of the sliding block, and then the sliding locking effect of the fixed strip on the sliding block is cancelled; when the fixed pin is located the major diameter portion of fixed orifices, the fixed pin can be under the effect of elastic component towards the direction of keeping away from fixed pipe and rotate and butt in the pore wall of fixed orifices, the elasticity restriction piece can break away from the joint mouth, make the slider slide and drive the fixed pin butt in the hole shoulder of fixed orifices towards the fire isolation area under extension spring's effect, and then the fixed pipe of pulling slides towards the fixed orifices, with can be with the relative inseparable laminating of fire isolation area in the adhesive linkage and keep comparatively inseparable state, thereby stability when can effectual optimization fire isolation area uses and the compactness of relative outer wall main part, the effectual possibility that produces the clearance between the relative outer wall main part of fire isolation area that reduces.
Optionally, one end of the fixing pin hinged to the sliding block is fixedly connected with a limiting block for limiting the fixing pin to rotate towards a direction far away from the fixing pipe.
Through adopting above-mentioned technical scheme, can restrict the turned angle of fixed pin through the restriction piece to can reduce the fixed pin before the butt in the hole shoulder of fixed orifices, the possibility of butt in the pore wall of fixed orifices.
Optionally, the end portion of the fixed pipe located in the fixed hole is of an open structure, a filling member is arranged in the fixed pipe, the filling member includes a filling pipe of a tubular structure, the filling pipe is located on a shifting path of the elastic limiting sheet, and expansion glue is filled in the filling pipe.
Through adopting above-mentioned technical scheme, insert the in-process of locating the joint interface at the elasticity restriction piece, can puncture the filling tube and make the intraductal inflation of filling glue fill in the fixed orifices, in order to reduce and make the restriction and the tensile effect descending to the fire prevention median because of using extension spring elasticity decline for a long time, can make this moment in the relatively inseparable laminating of fire prevention median in the outer wall main part, fill the fixed orifices, in order to keep the relatively inseparable laminating of fire prevention median in the state of outer wall main part, can further optimize the compactness and the stability of fire prevention median laminating in the outer wall main part.
Optionally, the packing piece still includes overcoat in the protective tube of packing tube, the protective tube is the other end that is enclosed construction and protective tube towards the one end of fireproof isolation area and is open structure, the protective tube is seted up the broken hole that corresponds elasticity restriction piece and broken hole and is provided with the elasticity closure piece with broken hole confined, extension spring overcoat in the protective tube.
Through adopting above-mentioned technical scheme, because the fixed orifices can be filled to the inflation glue when the filling tube is broken, can make the inflation glue spout in the opening of protective tube after the filling tube is broken this moment through the protective tube to the filling tube, thereby can make after the fixed pin butt in the hole shoulder of fixed orifices, the inflation glue is refilled in the fixed orifices, in order to further optimize the result of use, reduce the inflation glue and produce the possibility that influences in the hole shoulder of fixed orifices to the fixed pin butt.
In a second aspect, the application provides a construction process of an external thermal insulation structure of an external wall, which adopts the following technical scheme:
a construction process of an external thermal insulation structure of an external wall comprises the following steps: s1, early preparation: preparing materials: measuring and calculating the engineering quantities of main and auxiliary materials related to fireproof isolation belts, lines and heat preservation, making a plan and purchasing the materials; preparing a construction machine; preparation and adjustment of construction preposition: moving a horizontal pulling joint of a scaffold on a wall body to a door and window opening position, and plugging and painting the horizontal pulling joint of the scaffold to be smooth before external heat insulation construction;
s2, construction of the fireproof isolation strip: popping two horizontal closed lines with the spacing of 300mm on the outer wall surface of the outer wall main body along the position of the structural floor slab, sticking a rock wool board by using a benzene board adhesive to form a fireproof isolation belt, scraping one time of rendering cement and pressing in alkali-resistant second glass fiber gridding cloth, wherein the lapping dimension of the second glass fiber gridding cloth to the large wall surface is not less than 100 mm;
s3, base layer processing: cleaning concrete residues and a release agent on the wall surface, and chiseling or repairing the part with the out-of-flatness wall surface;
s4, controlling a wire to hang a reference line: popping out horizontal and vertical control lines, telescopic stitches and decorative stitches of an outer door and window on a wall surface, hanging a vertical reference steel wire on a large angle of an outer wall of a building, and hanging a horizontal line on each floor;
s5, preparing an adhesive: mixing the benzene board adhesive with water according to the weight ratio of 5: 1, and uniformly stirring;
s6, pasting a turning net: performing grid cloth turning treatment on the exposed part of the side edge of the adhered heat-insulation plate, wherein the window opening is based on the inner side of the steel protection frame;
s7, pasting the heat preservation plate: coating a binder with the width of 50mm and the thickness of 10mm on the peripheral edge of each insulation board by using a trowel, then uniformly coating 8 bonding points with the diameter of 140mm and the thickness of 10mm on the middle part of the insulation board, wherein the bonding area of the insulation board and the wall surface of the outer wall main body reaches more than 40%, and 50mm exhaust ports are reserved at the upper opening of the insulation board;
s8, coating a protective surface layer: coating a rendering coat adhesive cement on the surfaces of the heat insulation plate and the fireproof isolation strip, then paving and pasting the first glass fiber mesh cloth, and finally, applying a second rendering coat adhesive cement to form a protective surface layer.
Optionally, in step S7, the insulation boards are horizontally laid from bottom to top and along the horizontal direction, the insulation boards in the upper and lower rows are staggered 1/2 board length, and the insulation boards are cut at the corners of the wall surface, so that the insulation boards in the upper and lower rows are vertically connected in a staggered manner.
Through adopting above-mentioned technical scheme, can effectually reduce the stability of insulating board in the use to can do the restriction to the fire prevention median through the glass fiber net check cloth of second, with optimize the result of use.
Optionally, in step S2, a plurality of fixing holes are opened at the horizontal closing line, and then the fixing mechanisms connected to the fire-barrier strip are disposed in the fixing holes for connection.
Through adopting above-mentioned technical scheme, can be through effectual compactness and the stability of being connected between enhancement fire prevention median and the outer wall body of fixed establishment.
In summary, the present application includes at least one of the following beneficial technical effects:
1. when the fireproof isolation belt is used, the first glass fiber gridding cloth can effectively enhance the strength of the protective surface layer, so that the limiting effect of the protective surface layer on the fireproof isolation belt is optimized; in addition, the upper edge and the lower edge of the second glass fiber gridding cloth are located between the bonding layer and the heat-insulating plate, integrity and connection strength between the fireproof isolation belt and the heat-insulating plate can be further enhanced, and stability and connection strength between the fireproof isolation belt and the outer wall body can be enhanced through the second glass fiber gridding cloth.
Drawings
FIG. 1 is a cross-sectional view of example 1 of the present application;
FIG. 2 is a cross-sectional view of embodiment 2 of the present application;
FIG. 3 is an enlarged schematic view of portion A of FIG. 2;
FIG. 4 is a schematic structural view of a fixing mechanism and a filling member in embodiment 2 of the present application;
fig. 5 is a process flow chart of the construction process in example 3 of the present application.
Description of reference numerals: 1. an exterior wall main body; 11. a fixing hole; 2. plastering layer; 3. an adhesive layer; 4. a heat-insulating layer; 41. a thermal insulation board; 42. a fire barrier; 421. a second fiberglass mesh cloth; 5. a protective surface layer; 51. a first fiberglass mesh cloth; 6. a fixing mechanism; 61. a fixed tube; 611. a sliding port; 612. a reinforcing plate; 613. a card interface; 62. a fixing pin; 621. a shifting block; 622. a limiting block; 63. a slider; 631. an elastic restricting sheet; 64. an elastic member; 65. an extension spring; 66. a fixing strip; 7. a filling member; 71. a fill tube; 72. a protective tube; 721. an elastic closure panel; 722. and (5) pricking blocks.
Detailed Description
The present application is described in further detail below with reference to figures 1-5.
The embodiment of the application discloses insulation construction outside outer wall.
Embodiment 1, referring to fig. 1, the insulation structure includes a plastering layer 2, an adhesive layer 3 made of an adhesive, an insulation layer 4 and a protective surface layer 5, which are sequentially stacked from the outer surface of an outer wall body 1 to the outside. The protective surface layer 5 is internally preset with a first fiberglass mesh cloth 51 for enhancing the overall strength and integrity thereof. Wherein, the protective surface layer 5 is formed by coating anti-crack mortar or finishing mortar on the heat-insulating layer 4.
The insulation layer 4 includes a plurality of insulation boards 41 coated on the adhesive layer 3 and a fireproof isolation strip 42 disposed at a position of the structural floor slab, and the fireproof isolation strip 42 is a plate-shaped structure made of a flame retardant material, such as a rock wool board. The upper and lower border of fire isolation area 42 and the surface cladding of keeping away from outer wall main part 1 one side have the fine net cloth 421 of one deck second to make the upper and lower border of the fine net cloth 421 of second glass be located the clearance between fire isolation area 42 and heated board 41 respectively, then the upper and lower border of the fine net cloth 421 of second glass extends to in the adhesive linkage 3 towards the direction of keeping away from each other respectively, connect in adhesive linkage 3 through the fine net cloth 421 of second glass for be used for with fire isolation area 42, optimize the stability of connecting when fire isolation area 42 uses.
And the upper and lower edges of the second fiberglass gridding cloth 421 are located at the quiet width between the heat insulation board 41 and the outer wall main body 1 and are not less than 100mm, so that the width of the part, clamped between the outer wall main body 1 and the heat insulation board 41, of the second fiberglass gridding cloth 421 is not less than 100mm, and the connection strength between the second fiberglass gridding cloth 421 and the adhesive layer 3 can be maintained when the glass fiber gridding cloth is used.
The implementation principle of the external thermal insulation structure of the external wall in the embodiment 1 of the application is as follows: when using, can be through the effectual bulk strength and the wholeness that increases protective surface layer 5 of first glass fibre net cloth 51 to optimize the stability that fire prevention median 42 is connected, second glass fibre net cloth 421 can be through connecting in adhesive linkage 3 simultaneously, further optimize the stability of being connected between fire prevention median 42 and the adhesive linkage 3, stability when using in the time of fire prevention median 42 with the optimization.
The fixing mechanism 6 includes a fixing tube 61 pre-installed in the fire-barrier 42 and a plurality of fixing pins 62 installed around the fixing tube 61, and a plurality of sliding openings 611 extending along the axial direction of the fixing tube 61 are opened around the fixing tube 61. Sliding port 611 slides and is connected with slider 63, and the spout that extends along fixed pipe 61 axial is seted up to slider 63 be on a parallel with fixed pipe 61 axial lateral wall promptly, and sliding port 611 all blocks and slides and connect in the spout of difference on a parallel with fixed pipe 61 axial opening border to when making slider 63 can slide and connect in sliding port 611, can also restrict the rotation of slider 63 relative fixed pipe 61. And outer wall body 1 offers the fixed orifices 11 that are used for holding fixed pipe 61, and fixed orifices 11 are the shoulder hole and it sets up for the tip opening, and in addition, fixed pipe 61 is located the one end fixedly connected with reinforcing plate 612 in fireproof isolation area 42 to be used for strengthening fixed pipe 61 and fireproof isolation area 42's joint strength.
Referring to fig. 2 and 3, one end of the fixing pin 62 is rotatably connected to the slider 63 and a rotation plane of the fixing pin 62 coincides with a central axis of the fixing tube 61, and the slider 63 is provided with an elastic member 64 for rotating the fixing pin 62 away from the fixing tube 61. Wherein, the elastic component 64 can select torsional spring or air spring, the elastic component 64 is preferably air spring and it is the wedge block structure, the wedge-shaped most tip of elastic component 64 sets up towards the rotation connecting portion of fixed pin 62 and slider 63 to make the elastic component 64 can relatively more laminate in fixed pin 62 and slider 63 the time, can also effectual reduction occupation space, and the length of fixed pin 62 is greater than the radius of fixed orifices 11 main aspects, and the length of fixed pin 62 is less than the length of fixed orifices 11 main aspects.
Referring to fig. 3 and 4, an extension spring 65 for pulling the slider 63 to slide toward the fire barrier 42 is provided in the fixing tube 61, and a plurality of fixing bars 66, i.e., the extension spring 65 is provided in the fixing tube 61 in a stretched state. The fixing bar 66 has both ends fixedly connected to the slider 63 and the inner wall of the fixing tube 61, respectively, for restricting the slider 63 from sliding with respect to the fixing tube 61.
At least one clamping interface 613 is correspondingly arranged on the sliding interface 611 along the two axial side edges of the fixed tube 61, the sliding block 63 is fixedly connected with an elastic limiting piece 631, and the elastic limiting piece 631 extends from the sliding block 63 toward the fireproof isolation band 42 along the axial direction of the fixed tube 61, and then extends toward the clamping interface 613 but does not penetrate into the clamping interface 613. The fixing pin 62 is fixedly connected with a toggle block 621 which toggles the elastic limiting piece 631 to penetrate into the clamping interface 613 and cut off the fixing strip 66 when the fixing pin rotates towards the fixing tube 61. The fixing strip 66 may be made of a fragile material, such as a fragile film or glass.
When the fireproof isolation belt 42 is installed, in the process of attaching the fireproof isolation belt 42 to the adhesive layer 3, the fixing tube 61 is inserted into the fixing hole 11, in this process, the small end of the fixing hole 11 can toggle the fixing pin 62 to rotate towards the fixing tube 61, then the toggle block 621 can toggle the elastic limiting piece 631 to penetrate into the clamping port 613 and then cut off the fixing strip 66, since the clamping port 613 is opened in the sliding port 611, the elastic limiting piece 631 is clamped in the clamping port 613 to limit the sliding of the slider 63 relative to the sliding port 611, finally, when the fixing tube 61 is inserted into the fixing hole 11 and the fixing pin 62 is located in the large end portion of the fixing hole 11, the fixing pin 62 can rotate towards the direction away from the fixing tube 61 under the action of the elastic piece 64 and drive the elastic limiting piece 631 to disengage from the clamping port 613, the slider 63 can be pulled by the stretching spring 65 and slide towards the fireproof isolation belt 42, and make fixed pin 62 keep away from the one end butt of fixed pipe 61 in the hole shoulder of fixed orifices 11, can be with fixed pipe 61 towards the pulling of outer wall body 1 this moment to can drive the relatively inseparabler laminating of fire barrier tape 42 in adhesive linkage 3, stability when effectual optimization is connected through fixed pipe 61.
Referring to fig. 3 and 4, in order to limit the rotation angle of the fixing pin 62 with respect to the fixing tube 61, a limiting block 622 for limiting the rotation angle of the fixing pin 62 is fixedly connected to one end of the fixing pin 62 rotatably connected to the slider 63, and the limiting block 622 is located on the side of the fixing pin 62 away from the fire-proof isolation strip 42.
Further, when the elastic force of the extension spring 65 is lowered after a long-term use, the tensile action on the fire barrier 42 is lowered, and the packing 7 is provided in the fixing pipe 61. The filling member 7 includes a filling tube 71 having a tubular structure, and the filling tube 71 is filled with an expansion glue. And the fill tube 71 is made of a frangible material, such as glass or frangible paper, preferably glass. In order to make the elastic restricting pieces 631 break the filling tube 71, the filling tube 71 is located on a path during the insertion of the elastic restricting pieces 631 into the card interface 613. In addition, the end of the fixing tube 61 at the fixing hole 11 is an open structure, and the expansion glue can be selected from foaming glue.
In the process that elastic limiting piece 631 penetrates into clamping interface 613, filling pipe 71 is broken and the opening of expansion glue self-sliding opening 611 and fixed pipe 61 is filled in fixed orifices 11, and in the process that slider 63 slides, filling pipe 71 can be broken relatively sufficiently, so that the expansion glue is fully released and filled in fixed orifices 11, so that fireproof isolation strip 42 can be attached to bonding layer 3 relatively tightly, the expansion glue can be filled and then gradually solidified, and the tightness and stability of fireproof isolation strip 42 attached to bonding layer 3 are further optimized.
Referring to fig. 3 and 4, the filling member 7 further includes a protection tube 72 externally sleeved on the filling tube 71, one end of the protection tube 72 facing the fireproof isolation strip 42 is of a closed structure, the other end of the protection tube 72 is of an open structure, and the opening of the protection tube 72 is arranged facing the outer wall main body 1. Wherein, the opening border of protective tube 72 is located the slider 63 and keeps away from the one side of fire prevention median 42 to the opening border of protective tube 72 is outwards turned over and fixed connection in the inner wall of fixed pipe 61, with the stability of protective tube 72 when optimizing the use, reduces the interference to slider 63.
The protective tube 72 is provided with a plurality of breaking holes corresponding to the elastic limiting pieces 631, and elastic sealing pieces 721 for plugging the breaking holes are arranged in the breaking holes, the elastic sealing pieces 721 are in an annular corrugated tube structure, and the inner ring edges of the elastic sealing pieces 721 are fixedly connected with the thorn blocks 722. Therefore, in the process of attaching the fire barrier 42 to the adhesive layer 3, the elastic restricting piece 631 may first poke the pricking block 722 and prick the filling tube 71 through the pricking block 722, and since the elastic closing piece 721 closes the broken hole, the expansion glue may be sprayed out from the opening of the protection tube 72 toward the large end bottom wall of the fixing hole 11, so that after the fixing pin 62 abuts against the hole shoulder of the fixing hole 11, the expansion glue may be refilled in the fixing hole 11, thereby reducing interference of the expansion glue to the process of abutting the fixing pin 62 against the hole shoulder of the fixing hole 11.
The implementation principle of the external thermal insulation structure of the external wall in the embodiment 2 of the application is as follows: in the process of attaching the fire isolating belt 42 to the adhesive layer 3, the fixing tube 61 is gradually inserted into the fixing hole 11, in this process, the small end of the fixing hole 11 will toggle the fixing pin 62 to rotate towards the fixing tube 61, and toggle the elastic limiting piece 631 to penetrate into the fixing tube 61 through the toggle block 621, so that the fixing strip 66 is broken and the toggle piercing piece 722 pierces the filling tube 71, the protection tube 72 is filled with the expansion glue, and then the protection tube 72 is filled into the fixing hole 11 from the opening of the protection tube 72, and in this process, the fixing pin 62 will penetrate into the position where the large end of the fixing hole 11 is located, at this time, the fixing pin 62 will rotate towards the direction away from the fixing tube 61 under the action of the elastic piece 64 and drive the elastic limiting piece 631 to disengage from the clamping port 613, the sliding lock of the slider 63 is cancelled, then the slider 63 slides towards the fire isolating belt 42 under the action of the tension spring 65, and drives the fixing pin 62 to abut against the hole shoulder of the fixing, eventually, the expansion glue fills the fixing hole 11 to maintain the fireproof insulation band 42 in close contact with the adhesive layer 3.
s1, early preparation: preparing materials: measuring and calculating the engineering quantities of main and auxiliary materials related to fireproof isolation belts, lines and heat preservation, making a plan and purchasing the materials; preparing a construction machine; preparation and adjustment of construction preposition: moving a horizontal pulling joint of a scaffold on a wall body to a door and window opening position, and plugging and painting the horizontal pulling joint of the scaffold to be smooth before external heat insulation construction;
s2, construction of the fireproof isolation strip: popping two horizontal closed lines with the spacing of 300mm along the position of a structural floor slab on the outer wall surface of the outer wall main body 1, sticking a rock wool board by using a benzene board adhesive to form a fireproof isolation belt 42, scraping one-time rendering adhesive cement and pressing in an alkali-resistant second glass fiber mesh cloth 421, wherein the lapping dimension of the second glass fiber mesh cloth 421 to the large wall surface is not less than 100 mm;
s3, base layer processing: cleaning concrete residues and a release agent on the wall surface, and chiseling or repairing the part with the out-of-flatness wall surface;
s4, controlling a wire to hang a reference line: popping out horizontal and vertical control lines, telescopic stitches and decorative stitches of an outer door and window on a wall surface, hanging a vertical reference steel wire on a large angle of an outer wall of a building, and hanging a horizontal line on each floor;
s5, preparing an adhesive: mixing the benzene board adhesive with water according to the weight ratio of 5: 1, and uniformly stirring;
s6, pasting a turning net: performing grid cloth turning treatment on the exposed part of the side edge of the adhered insulation board 41, wherein the window opening is based on the inner side of the steel protection frame;
s7, pasting the heat preservation plate: coating a binder with the width of 50mm and the thickness of 10mm on the peripheral edges of each insulation board 41 by using a trowel, then uniformly coating 8 bonding points with the diameter of 140mm and the thickness of 10mm on the middle part, wherein the bonding area between the insulation boards 41 and the wall surface of the outer wall main body 1 reaches more than 40%, and 50mm exhaust ports are reserved at the upper openings of the insulation boards 41;
s8, coating a protective surface layer: coating a rendering coat adhesive cement on the surfaces of the heat insulation plate 41 and the fireproof isolation belt 42, then paving the first glass fiber mesh cloth, and finally applying a second rendering coat adhesive cement to form the protective surface layer 5.
In the step S7, the insulation boards are horizontally laid and attached from bottom to top along the horizontal direction, the insulation boards 41 in the upper and lower rows are staggered 1/2 board long, and the insulation boards 41 are cut at the corners of the wall surface, so that the insulation boards 41 in the upper and lower rows are vertically connected in a staggered manner.
In step S2, a plurality of fixing holes 11 are opened at the horizontal closed line, and then the fixing mechanism 6 connected to the fire barrier 42 is disposed in the fixing holes 11 for connection, specifically, the fixing tube 61 is inserted into the fixing holes 11, and the fixing pin 62 abuts against the hole shoulder of the fixing hole 11 under the action of the extension spring 65, so that the fixing tube 61 can relatively tightly pull and attach the fire barrier 42 to the surface of the adhesive layer 3.
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 in the structure, shape and principle of the present application are covered by the protection scope of the present application.
Claims (10)
1. The utility model provides an outer insulation construction of outer wall, includes coating in plastering layer (2) of outer wall main part (1) surface, coating in adhesive linkage (3) of keeping away from outer wall main part (1) one side in plastering layer (2), set up in adhesive linkage (3) keep away from heat preservation (4) of plastering layer (2) one side and set up in heat preservation (4) and keep away from protective surface layer (5) of adhesive linkage (3), its characterized in that: the embedded first glass fiber net check cloth (51) that is equipped with in protective surface layer (5), heat preservation (4) include a plurality of heated boards (41) and set up in fire-proof isolation area (42) in adjacent heated board (41) clearance, fire-proof isolation area (42) cladding has the fine net check cloth of second glass (421), the upper and lower border of the fine net check cloth of second glass (421) stretches into to adhesive linkage (3) back subdividing and keeps away from the extension mutually respectively from the clearance between heated board (41) and fire-proof isolation area (42).
2. The exterior wall external insulation structure according to claim 1, characterized in that: the width that the upper and lower border of second glass fiber net cloth (421) extends to between heated board (41) and outer wall main part (1) is not less than 100 mm.
3. The exterior wall external insulation structure according to claim 1, characterized in that: and a fixing mechanism (6) for enhancing the connection strength between the fireproof isolation belt (42) and the outer wall main body (1) is arranged in the fireproof isolation belt.
4. The exterior wall external insulation structure according to claim 3, characterized in that: the fixing mechanism (6) comprises a fixing pipe (61) with one end pre-arranged in the fireproof isolation belt (42) and a plurality of fixing pins (62) arranged around the fixing pipe (61), a plurality of sliding ports (611) extending along the axial direction of the fixing pipe (61) are arranged around the fixing pipe (61), a sliding block (63) is connected to each sliding port (611) in a sliding mode, one end of each fixing pin (62) is hinged to the corresponding sliding block (63), an elastic piece (64) enabling the corresponding fixing pin (62) to move towards the direction far away from the fixing pipe (61) is arranged on each sliding block (63), a stretching spring (65) for pulling the corresponding sliding block (63) to slide towards the fireproof isolation belt (42) is arranged on each fixing pipe (61), a plurality of fixing strips (66) with two ends connected to the corresponding fixing pipes (61) and the corresponding sliding blocks (63) are arranged in the fixing pipes (61), and at least one clamping port (613) is arranged at the opening, slider (63) fixedly connected with extend towards fire prevention median (42) earlier and then towards elasticity restriction piece (631) that joint interface (613) extended, fixed pin (62) fixedly connected with stir elasticity restriction piece (631) and cut off stirring piece (621) of fixed strip (66), and fixed orifices (11) that are used for connecting fixed pipe (61) are offered in outer wall main body (1), and fixed orifices (11) are shoulder hole and its tip opening.
5. The exterior wall external insulation structure according to claim 4, characterized in that: and one end of the fixing pin (62) hinged to the sliding block (63) is fixedly connected with a limiting block (622) for limiting the fixing pin (62) to rotate towards the direction far away from the fixing pipe (61).
6. The exterior wall external insulation structure according to claim 4, characterized in that: the tip that fixed pipe (61) are located fixed orifices (11) is open structure, be provided with filler (7) in fixed pipe (61), filler (7) are located the route that elasticity restriction piece (631) was stirred including filler pipe (71) and filler pipe (71) that are the tubular structure, filler pipe (71) intussuseption is filled with the inflation and glues.
7. The exterior wall external insulation structure according to claim 6, characterized in that: the packing member (7) further comprises a protection pipe (72) sleeved outside the packing pipe (71), one end of the protection pipe (72) facing the fireproof isolation belt (42) is of a closed structure, the other end of the protection pipe (72) is of an open structure, the protection pipe (72) is provided with an elastic closed sheet (721) used for closing a broken hole and provided with a broken hole corresponding to the elastic limiting sheet (631), and the extension spring (65) is sleeved outside the protection pipe (72).
8. A construction process of an external thermal insulation structure of an external wall is characterized in that: the method comprises the following steps: s1, early preparation: preparing materials: measuring and calculating the engineering quantities of main and auxiliary materials related to fireproof isolation belts, lines and heat preservation, making a plan and purchasing the materials; preparing a construction machine; preparation and adjustment of construction preposition: moving a horizontal pulling joint of a scaffold on a wall body to a door and window opening position, and plugging and painting the horizontal pulling joint of the scaffold to be smooth before external heat insulation construction; s2, construction of the fireproof isolation strip: popping two horizontal closed lines with the spacing of 300mm along the structural floor slab position on the outer wall surface of the outer wall main body (1), sticking a rock wool board by using a benzene board adhesive to form a fireproof isolation belt (42), scraping one-time rendering adhesive cement and pressing in alkali-resistant second glass fiber mesh cloth (421), wherein the lapping dimension of the second glass fiber mesh cloth (421) to the large wall surface is not less than 100 mm; s3, base layer processing: cleaning concrete residues and a release agent on the wall surface, and chiseling or repairing the part with the out-of-flatness wall surface; s4, controlling a wire to hang a reference line: popping out horizontal and vertical control lines, telescopic stitches and decorative stitches of an outer door and window on a wall surface, hanging a vertical reference steel wire on a large angle of an outer wall of a building, and hanging a horizontal line on each floor; s5, preparing an adhesive: mixing the benzene board adhesive with water according to the weight ratio of 5: 1, and uniformly stirring; s6, pasting a turning net: carrying out gridding cloth turning treatment on the exposed part of the side edge of the adhered heat insulation plate (41), wherein the window opening is based on the inner side of the steel protection frame; s7, pasting the heat preservation plate: coating a binder with the width of 50mm and the thickness of 10mm on the peripheral edge of each insulation board (41) by using a trowel, then uniformly coating 8 bonding points with the diameter of 140mm and the thickness of 10mm on the middle part, wherein the bonding area between the insulation board (41) and the wall surface of the outer wall main body (1) reaches more than 40 percent, and 50mm exhaust ports are reserved at the upper opening of the insulation board (41); s8, coating a protective surface layer: coating a rendering coat adhesive cement on the surfaces of the heat insulation plate (41) and the fireproof isolation belt (42), then paving and adhering the first glass fiber mesh cloth (51), and finally, applying a second rendering coat adhesive cement to form a protective surface layer (5).
9. The construction process of the external thermal insulation structure of the external wall according to claim 8, characterized in that: in the step S7, the heat insulation boards (41) are transversely paved from bottom to top along the horizontal direction, the heat insulation boards (41) in the upper row and the lower row are staggered and jointed 1/2 board lengths, and the heat insulation boards (41) are cut at corners of the wall surface, so that the heat insulation boards (41) in the upper row and the lower row are vertically connected in a staggered manner.
10. The construction process of the external thermal insulation structure of the external wall according to claim 8, characterized in that: in step S2, a plurality of fixing holes (11) are opened at the horizontal closing line, and then the fixing mechanisms (6) connected to the fireproof isolation belt (42) are disposed in the fixing holes (11) for connection.
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