CN116104240A - Double-slope roof outer enclosure structure with ventilator and construction method thereof - Google Patents

Abstract

The invention discloses a double-slope roof outer enclosure structure with a ventilator and a construction method thereof, wherein the double-slope roof outer enclosure structure comprises a roof steel truss structure, a plurality of purlins are arranged on the roof steel truss structure, a plurality of rib plates are arranged on the purlins, a waterproof heat-insulating plate is arranged on the plurality of rib plates, and a roof plate is arranged on the waterproof heat-insulating plate; a ridge connecting structure is arranged at the ridge, a gutter is arranged at the cornice, one end of the gutter is arranged on the concrete parapet wall, and the other end of the gutter is arranged on the purline; the purline is also provided with a roof ventilator, the bottom of the roof ventilator is arranged on the ventilator bracket, and one end of the roof ventilator penetrates through the multi-rib plate, the waterproof heat-insulating plate and the roof plate to be communicated with the outside. The outer protective structure has the functions of heat preservation and water prevention, and is used for sealing the connection part of the roof ventilator and the roof steel truss structure, the connection part of the cornice and the gutter, the connection part of the gutter and the concrete wall and the like, and has the advantages of good sealing effect, simple structure and strong practicability.

Description

Double-slope roof outer enclosure structure with ventilator and construction method thereof

Technical Field

The invention relates to the technical field of building construction, in particular to a double-slope roof outer enclosing structure with a ventilator and a construction method thereof.

Background

In recent years, time cost, labor cost, material cost and safety and stability of a building structure are considered in the building construction process, the building construction is not limited to the prior tile structure, a large amount of corrosion-resistant metal is adopted to build the building, and the metal is applied to the building, so that the metal roof is the most adopted. When the building outer wall and the building top are constructed, a roof or wall enclosure system is usually required to be manufactured, the enclosure system usually has the functions of water resistance, heat preservation and decoration, a roof ventilator is usually arranged on a roof of a workshop of a thermal power plant, sealing treatment is required at a roof ridge of the roof, at a joint of a cornice and a roof protection structure, at a joint of the cornice and a gutter, and at a joint of the gutter and a concrete wall, water leakage is caused by the roof due to poor sealing or sealing failure, and normal use of the building structure is affected. At present, when the construction is performed, sealing treatment is mainly performed through sealing glue or sealing rubber strips, when the sealing glue falls off, sealing is invalid, manual maintenance is needed, and maintenance cost is increased.

Disclosure of Invention

The invention aims to provide a double-slope roof peripheral protection structure with a ventilator, which has the functions of heat preservation and water prevention, and is used for sealing the connection positions of the roof ventilator and a roof steel truss structure, the connection positions of a roof ridge, a cornice and a gutter, the connection positions of the gutter and a concrete wall and the like, and has the advantages of good sealing effect, simple structure and strong practicability.

In order to achieve the above purpose, the present invention adopts the following technical scheme:

the double-slope roof peripheral protection structure with the ventilator comprises a roof steel truss structure, wherein a plurality of purlines are arranged on the roof steel truss structure, a plurality of rib plates are arranged on the purlines, a waterproof heat-insulating plate is arranged on the plurality of rib plates, and a roof plate is arranged on the waterproof heat-insulating plate; the ridge is provided with a ridge connecting structure, the ridge connecting structure comprises a ridge cover plate, heat-insulating cotton, a ridge plug and a ridge supporting plate, the ridge supporting plate is arranged on a purline, the ridge cover plate is arranged on the ridge plate, the ridge plug is arranged between the ridge plate and the ridge cover plate in a sealing way, and the heat-insulating cotton is filled among the ridge cover plate, the ridge plug and the waterproof heat-insulating plate; a gutter is arranged at the cornice, one end of the gutter is arranged on a concrete parapet wall, a protective flashing plate is also arranged on the concrete parapet wall in a sealing manner, one end of the protective flashing plate is lapped in the gutter, the other end of the gutter is arranged on purlines, a cornice edge folding plate is arranged on the roof plate, and one end of the cornice edge folding plate is lapped in the gutter; the connecting structure of the ridge and the concrete wall comprises L-shaped parallel transition support pieces, cover plates, lap joint battens, water retaining support bodies and transition flashing plates, wherein the L-shaped parallel transition support pieces are arranged on the concrete wall, the cover plates are arranged at the joint gaps between two adjacent L-shaped parallel transition support pieces, the lap joint battens are arranged at the joint positions of the ridge cover plates and the cover plates, the water retaining support bodies are arranged on the ridge cover plates, one ends of the transition flashing plates are arranged on the roof plates, and the other ends of the transition flashing plates are arranged on the L-shaped parallel transition support pieces; still install the roofing ventilator on the purlin, roofing ventilator bottom is installed on the ventilator support, roofing ventilator one end is passed many floor, waterproof heated board and roof boarding are linked together with the external world, roofing ventilator pass through ventilator connection structure and roofing steel truss structure sealing connection, ventilator connection structure includes L shape reinforcing plate, waterproof board, rainwater flow distribution plate, Z shape support and waterproof glue rete group, L shape reinforcing plate one end is installed on the ventilator support, the other end is installed on the waterproof heated board, the rainwater flow distribution plate slope is installed on L shape reinforcing plate, waterproof glue rete is installed on rainwater flow distribution plate and roof boarding, Z shape support is installed in waterproof heated board.

Preferably, the waterproof insulation board is formed by compounding a steam barrier film layer, an insulation cotton layer and a waterproof film layer, and the insulation cotton layer is arranged between the steam barrier film layer and the waterproof film layer.

Preferably, the roof board is of a groove-shaped structure, hemming structures are arranged at two ends of the roof board, and the hemming structures are arranged on the purlines through fixing seats.

Preferably, the ridge supporting plate is of a bilateral symmetry structure, the symmetry center of the ridge supporting plate coincides with the central line of the ridge, and two ends of the ridge supporting plate are respectively arranged on two purlines on two sides of the ridge.

Preferably, the ridge cover plate is of a bilateral symmetry structure, the symmetry center of the ridge cover plate coincides with the ridge center line, and U-shaped tail ends are arranged on the left side and the right side of the ridge cover plate.

Preferably, the concrete parapet wall is provided with a mounting groove, one end of the protection flashing plate is provided with an L-shaped connecting part, the L-shaped connecting part is arranged in the mounting groove, a sealing fixing block is further arranged in the mounting groove, and the sealing fixing block can seal the L-shaped connecting part in the mounting groove; the other end of the protection flashing board is provided with a V-shaped waterproof part, and the V-shaped waterproof part is positioned at the lower side of the connecting point of the gutter and the concrete parapet.

Preferably, the transition flashing plate is arranged on the L-shaped parallel transition support piece through the transition support piece, the transition flashing plate is L-shaped, a U-shaped connecting part is arranged at one end of the transition flashing plate, a U-shaped hanging part is arranged at one end of the transition support piece, and the U-shaped hanging part is connected with the U-shaped connecting part.

Preferably, the Z-shaped bracket is arranged between the steam barrier film layer and the waterproof film layer, the L-shaped reinforcing plate is arranged between the waterproof film layer and the heat insulation cotton layer, and the Z-shaped protection flashing plate is arranged between the roof board and the waterproof film layer.

A method of constructing a double-slope roof enclosure having a ventilator, the method comprising the steps of:

step one, installing a gutter at the cornice;

step two, paving a roof peripheral guard board;

step three, mounting a ridge structure;

step four, installing a roof ventilator;

installing a gutter on the constructed roof steel structure truss structure and purlines, measuring the gutter before installation, ensuring that the levelness and straightness of the gutter meet the installation standards at the cornice position, and finally fixedly installing the other end of the gutter on a concrete parapet wall;

firstly, installing multiple rib plates on purlines, firstly, releasing a positioning plate edge line before installation, then sequentially overlapping and installing a plurality of multiple rib plates, putting a composite line every ten rib plates when in installation, compounding the installation size deviation of the multiple rib plates, and adjusting according to the actual size of the deviation, sequentially paving a steam barrier film layer, a heat preservation cotton layer and a waterproof film layer on the multiple rib plates to finish the paving of the waterproof heat preservation plate, paving a roof plate on the waterproof heat preservation plate, fixedly connecting the roof plate and the purlines by using a fixed support, and performing edge locking treatment on two adjacent roof plates;

placing a ridge cover plate at the ridge position, fixing the ridge cover plate on the ridge plate by using a fastener, sealing and installing a ridge plug between the ridge cover plate and the ridge plate, sealing the opening between the ridge cover plate and the ridge plate, and sealing the end part of the ridge cover plate and the concrete wall;

cutting out areas with corresponding sizes on the roof plate according to the outline dimensions of the roof ventilator, then installing support channel steel on the roof plate, installing the roof ventilator on the support channel steel, and finally sealing the roof ventilator, the roof plate and the waterproof insulation board.

Preferably, in the second step, the length of the steam barrier film layer and the waterproof film layer is reserved at the cornice for 150 mm-300 mm, and the reserved section is temporarily fixed at the cornice.

Preferably, in the fourth step, when the reserved position of the roof ventilator is cut on the roof panel, more cutting is required to be performed at one side of the reserved position by 260 mm-320 mm, and a rainwater diversion plate is installed at the reserved position.

Preferably, the fastening member for fixing the supporting channel steel in the fourth step cannot be fixed on the purline.

According to the waterproof insulation board, the waterproof insulation board is formed by compounding the three layers of the steam-isolating film layer, the heat-insulating cotton layer and the waterproof film layer, the steam-isolating film layer and the heat-insulating cotton layer can prevent hot air or cold air in a room from being transmitted outwards, the waterproof insulation board has a good heat-insulating effect, the waterproof film layer has a good waterproof effect, and the arranged multi-rib plates provide a laying supporting surface for the waterproof insulation board, so that the laying construction of the waterproof insulation board is facilitated. The roof boarding that sets up can connect the roof boarding of roof ridge both sides, has better aesthetic property, and roof boarding can cover the roof boarding hookup location of roof ridge both sides simultaneously, can play waterproof effect, and the heat preservation cotton layer of packing plays the heat preservation effect on the one hand, on the other hand can play the supporting role to the roof boarding, and the heat preservation cotton layer quality is lighter, can not make the heat preservation waterproof board of its downside produce great deformation and influence the heat preservation effect. The ridge supporting plate can play a supporting role on the waterproof insulation board at the ridge. One end of the protective flashing plate is in sealing connection with the concrete parapet, and a protective cavity formed between the other end of the protective flashing plate and the concrete parapet has good waterproof performance, so that the installation process of the gutter can be simplified. The eaves mouth edge folding plate that sets up one end is installed in the roof boarding, and the other end sets up in gutter and roofing steel truss structure junction, and this eaves mouth edge folding plate can protect the tie point of gutter and roofing steel truss structure, has simplified gutter and roofing steel truss structure's installation, improves its waterproof nature. The L-shaped parallel transition support piece provides a flat mounting surface for the connecting structure, and is convenient for sealing the connecting structure. The gap between two L-shaped parallel transition supporting pieces can be covered by the cover plate, and the end part of the ridge cover plate can be blocked. The lap joint layering can be used for sealing and connecting the ridge cover plate with the L-shaped parallel transition support piece, and sealing and connecting the end part of the ridge cover plate with the cover plate. The transition connecting piece can be used for quickly connecting the roof board on the L-shaped parallel transition supporting piece, and the connection mode of the U-shaped hanging part and the U-shaped connecting part is convenient for quickly assembling and disassembling the roof board, so that the construction efficiency for assembling and disassembling the roof board is improved. The water baffle that sets up can protect the hookup location between ridge apron and the apron, prevents that the rainwater from washing away and influencing sealed effect to this junction for a long time, improves the sealed life-span of device. The waterproof board one end fixed mounting that sets up is in the hookup location department of roof ventilator and ventilator support, and the other end sets up in waterproof membranous layer for waterproof board has better water-proof effects with the gap sealing connection between roof ventilator and the roofing steel truss structure. The L-shaped reinforcing plate is arranged on the inner side of the waterproof plate, so that the connection rigidity of the waterproof plate can be improved. The support plugs can keep the end parts of the roof boards from deforming after being connected, keep the consistency of the appearance of the roof boards and improve the aesthetic property of the overall effect. The inclined rainwater flow dividing plate can reduce the impact of rainwater on the waterproof plate, and further the tightness of the waterproof plate connection is protected.

Drawings

FIG. 1 is a schematic diagram of the overall construction flow of the present invention;

FIG. 2 is a schematic diagram of the overall structure of the present invention;

FIG. 3 is a schematic cross-sectional view of the overall structure of the present invention;

FIG. 4 is a schematic view of the connection structure of the ridge and the concrete wall according to the present invention;

FIG. 5 is a schematic view of a portion of a ridge-concrete wall connection structure according to the present invention;

FIG. 6 is a schematic view of a ventilator connection structure according to the present invention;

FIG. 7 is an enlarged schematic view of a sectional partial structure of the present invention;

FIG. 8 is an enlarged schematic view of a partial structure of section B of the present invention;

FIG. 9 is a schematic view of a ridge connecting structure of the present invention;

FIG. 10 is an enlarged schematic view of a partial structure of section C of the present invention;

FIG. 11 is a schematic view of a gutter structure connection portion of the present invention;

FIG. 12 is an enlarged schematic view of a partial structure of section D of the present invention;

in the figure: 1. roof steel truss structure; 2. purlin; 3. a plurality of rib plates; 4. waterproof insulation board; 5. roof boarding; 6. a fixing seat; 7. a ridge connection structure; 8. the ridge and concrete wall connecting structure; 9. a ventilator connection structure; 10. a gutter; 11. concrete parapet; 12. a protective flashing plate; 13. sealing the fixed block; 14. cornice edge folding plates; 15. roof ventilator; 16. a ventilator stand; 41. A vapor barrier film layer; 42. a heat preservation cotton layer; 43. a waterproof membrane layer; 71. roof ridge cover plate; 72. thermal insulation cotton; 73. a ridge plug; 74. a ridge support plate; 81. an L-shaped parallel transition support; 82. a cover plate; 83. overlap joint layering; 84. a water blocking support body; 85. a transitional flashing plate; 86. a transition support; 91. l-shaped reinforcing plates; 92. a waterproof board; 93. a rain water diversion plate; 94. a Z-shaped bracket; 95. and a waterproof adhesive film layer.

Detailed Description

The invention is further described below with reference to the accompanying drawings:

the utility model provides a double slope roof peripheral protection structure with ventilator as shown in fig. 2 through 12, including roofing steel truss structure 1, through fastener fixed mounting a plurality of purlins 2 on the roofing steel truss structure 1, through fastener fixed mounting multi-ribbed plate 3 on purlin 2, through sealed waterproof heated board 4 of gluing fixed mounting on multi-ribbed plate 3, waterproof heated board 4 is formed by vapor barrier layer 41, heat preservation cotton layer 42 and waterproof membrane layer 43 complex, and heat preservation cotton layer 42 sets up between vapor barrier layer 41 and waterproof membrane layer 43, and vapor barrier layer 41 bonds at multi-ribbed plate 3 through gluing. The roof board 5 is arranged above the waterproof heat-insulating board 4, the roof board 5 is of a groove-shaped structure, the two extending parts at the two ends of the roof board 5 are all provided with hemming structures, two adjacent roof boards 5 are connected through the hemming structures, the connected positions are subjected to edge locking treatment through edge locking machinery after being connected, the sealing connection of the two roof boards 5 is realized, and the hemming structure fixing seat 6 at the edge of the roof board 5 is fixedly arranged on the purline 2.

The ridge connecting structure 7 is arranged at the ridge, the ridge connecting structure 7 comprises a ridge cover plate 71, heat insulation cotton 72, a ridge plug 73 and a ridge supporting plate 74, the ridge supporting plate 74 is of a bilateral symmetry structure, the symmetry center of the ridge supporting plate coincides with the ridge center line, two ends of the ridge supporting plate 74 are respectively and fixedly arranged on two purlins 2 at two sides of the ridge through fasteners, and in one embodiment, the ridge supporting plate 74 is a structure which is bent by a metal plate along the ridge center line and provided with a ridge inclination angle, and the structure is mainly used for keeping the inclination angle and the shape of the structure at the ridge. The ridge cover 71 is of a bilateral symmetry structure, the symmetry center of the ridge cover 71 coincides with the ridge center line, the left side and the right side of the ridge cover 71 are respectively provided with a U-shaped tail end, the U-shaped tail ends are positioned at the lower side of the connecting point of the ridge cover 10 and the roof panel 5, in a preferred embodiment, a sealing connecting piece is arranged at the connecting position of the ridge cover 10 and the roof panel 5, the sealing connecting piece can be a rubber strip or a butyl adhesive tape, the sealing connecting piece can seal the connecting position of the ridge cover 10 and the roof panel 5, water leakage at the connecting position is prevented, and the arranged U-shaped tail ends have certain aesthetic property. The ridge cap 73 is sealed and installed at the gap between the roof board 5 and the ridge cover board 71 by sealant, in a specific embodiment, the ridge cap 73 has the same shape as the groove-shaped inner structure of the roof board 5, and the top and the bottom of the ridge cap 73 are provided with installation planes, and the two installation planes are fixedly connected with the roof board 5 and the ridge cap 73 by fasteners or sealant. The heat preservation cotton 72 is filled among the ridge cover plate 71, the ridge plug 73 and the waterproof heat preservation board 4, the heat preservation cotton 72 plays a heat preservation role on one hand, on the other hand, the heat preservation cotton can play a supporting role on the ridge cover plate 71, and the heat preservation cotton layer is lighter in weight, so that the heat preservation waterproof board 4 at the lower side of the heat preservation cotton layer cannot deform greatly to influence the heat preservation effect.

The gutter 10 is arranged at the cornice position, the gutter 10 is of a groove-shaped structure in one embodiment, one end of the gutter 10 is fixedly arranged on the concrete parapet 11 through a fastener, the protection flashing plate 12 is fixedly arranged above the connecting point of the gutter 10 and the concrete parapet 11, an L-shaped connecting part is arranged at one end of the protection flashing plate 12, an installation groove is arranged on the concrete parapet 2, the L-shaped connecting part is fixedly arranged in the installation groove through an expansion bolt, the sealing fixing block 13 is further arranged in the installation groove, the sealing fixing block 13 can seal the L-shaped connecting part in the installation groove, in one embodiment, the sealing fixing block 13 consists of a waterproof mortar part and a silica gel sealing part, the waterproof mortar part can connect the L-shaped connecting part with the installation groove again, the connection strength of the waterproof mortar part and the installation groove is improved, water can be prevented from entering from the installation groove and water leakage is generated at the connecting position of the waterproof mortar part, and the silica gel sealing part is arranged at the outer side of the waterproof mortar part, and the waterproof effect can be further improved. The other end of the protection flashing plate 12 is provided with a V-shaped waterproof part, in another embodiment, the shape of the V-shaped waterproof part can be U-shaped, the V-shaped waterproof part is positioned at the lower side of the connecting point of the gutter 10 and the concrete parapet 11, a downward opening protection cavity is formed between the protection flashing plate 12 and the concrete parapet 11 after the connection of the protection flashing plate 12 and the concrete parapet 11, the connecting point of the gutter 10 and the concrete parapet 11 is positioned in the protection cavity, the protection cavity has a good waterproof effect, and the effective waterproof effect can be realized at the connecting point of the gutter 10 and the concrete parapet 11. In a preferred embodiment, the inner side of the waterproof board 12 and the inner side of the top end of the gutter 1 can be sealed and connected by using a waterproof film, so that the waterproof effect is further improved. The other end of gutter 10 passes through fastener fixed mounting on purlin 2, has cornice edging board 14 through fastener or glued fixed mounting on roof boarding 5, and cornice edging board 14 bottom sets up V-arrangement waterproof limit, and the shape of V-arrangement waterproof limit also can be the U-shaped in another embodiment, and V-arrangement waterproof limit is located gutter 10 inboard, and this V-arrangement waterproof limit can provide a waterproof region for gutter 10 and purlin 2 sealing connection department, also can simplify the structure of gutter 10 simultaneously, is convenient for to gutter 10's preparation, installation and dismantlement.

The double-slope roof peripheral protection structure with the ventilator also comprises a ridge and concrete wall connecting structure 8, wherein the ridge and concrete wall connecting structure 8 comprises an L-shaped parallel transition support piece 81, a cover plate 82, a lap joint pressing strip 83, a water retaining support body 84 and a transition flashing plate 85,

the L-shaped parallel transition support pieces 81 are fixedly arranged on the concrete wall, the L-shaped parallel transition support pieces 81 are arranged on two sides of a ridge, a certain gap is formed at the intersection of the two L-shaped parallel transition support pieces 81 at the ridge, a cover plate 82 is arranged at the gap, the cover plate 82 can block the gap between the two L-shaped parallel transition support pieces 81, the end part of the ridge cover plate 71 is abutted against the cover plate 82, and the cover plate 82 can enable the end part of the ridge cover plate 71 to be sealed. The end of the ridge cover 71 is connected with the cover 82 in a sealing way through the lap joint batten 83, in one embodiment, the lap joint batten 83 is formed by compounding butyl adhesive tapes and rubber strips, one surface of each butyl adhesive tape is adhered to two sides of a connecting gap between the ridge cover 71 and the cover 82, the other surface of each butyl adhesive tape is adhered to the rubber strips, and the lap joint batten 83 is fixedly connected with the ridge cover 71 again through a fastener, so that the connection stability is improved. The upper end of the connection position of the roof ridge cover 71 and the cover 82 is further provided with a water retaining support 84, in one embodiment, the water retaining support 84 is in an inverted U-shaped structure, and the bottoms of the extending parts at the two ends of the water retaining support 84 are fixedly connected with the roof ridge cover 71 through fasteners. The transition flashing plate 85 is integrally L-shaped in one embodiment, one end of the transition flashing plate 85 is mounted on the roof board 5 in a sealing manner through sealant, a U-shaped connecting portion is arranged at the top of the other end of the transition flashing plate 85, a transition support piece 86 is fixedly mounted on an L-shaped parallel transition support piece 81 through a fastener, a U-shaped hanging portion is arranged at one end of the transition support piece 86, the U-shaped hanging portion is connected with the U-shaped connecting portion, and the mounting manner of the transition flashing plate 85 can be simplified in a connecting manner, so that the transition flashing plate is convenient to detach.

Still fixed mounting has roofing ventilator 15 on purlin 2, and the bottom of roofing ventilator 15 passes through fastener fixed mounting on ventilator support 16, and ventilator support 16 passes through fastener fixed mounting at purlin 2, and roofing ventilator 15 top is linked together with the external world through many floor 3, waterproof heated board 4 and roof boarding 5, and roofing ventilator 15 can realize the change between the inside air of building house and the external air.

The roof ventilator 15 is connected with the roof steel truss structure 1 in a sealing way through a ventilator connecting structure 9, the ventilator connecting structure 9 comprises an L-shaped reinforcing plate 91, a waterproof plate 92, a rainwater diversion plate 93, a Z-shaped bracket 94 and a waterproof adhesive film layer 95,

one end of the L-shaped reinforcing plate 91 is fixedly mounted to the ventilator support 16 by a fastener, and the other end thereof is disposed on the Z-shaped support 94. In a preferred embodiment, the end of the L-shaped reinforcing plate 91 disposed on the Z-shaped support 94 is sandwiched between the waterproof membrane layer 43 and the heat insulating cotton layer 42. The Z-shaped support 94 is mounted between the vapor barrier membrane layer 41 and the waterproof membrane layer 43. The top surface of the Z-shaped support 94 is capable of supporting the L-shaped reinforcing plate 91 to prevent it from pressing the heat insulating cotton layer 42 to deform the heat insulating cotton layer 42. In a more preferred embodiment, the connection between the waterproof membrane layer 43 and the L-shaped reinforcing plate 91 is fixedly made by a sealant. A waterproof plate 92 is fixedly mounted on the L-shaped reinforcing plate 91, one end of the waterproof plate 92 is fixedly connected with the ventilator support 16 by a fastener, a rubber pad or sealant is used for sealing treatment at the connection, the waterproof plate 92 and the roof ventilator 15 are fixedly connected with the ventilator support 16 by the same fastener in one embodiment, and the other end of the waterproof plate 92 is arranged between the roof panel 5 and the waterproof membrane layer 43. The rainwater diversion plate 93 is fixedly installed on the waterproof plate 92 through a fastener, and the fastener used for installing the rainwater diversion plate 93 is sealed by using a sealing gasket. Set up waterproof glued membrane layer 95 on the rainwater flow distribution plate 93 outside, waterproof glued membrane layer 95 seals through gluing on waterproof board 92, rainwater flow distribution plate 93 and roof board 5, waterproof glued membrane layer 95 can seal between roof board 5 and the waterproof board 92 for this connection structure has double-deck sealedly, improves waterproof performance.

The construction method of the double-slope roof outer enclosing structure with the ventilator as shown in fig. 1 to 12 comprises the following steps:

firstly, installing gutter 10 at cornice on two sides of a roof steel structure truss structure 1 and purlines 2 which are constructed, measuring gutter 10 before installing gutter 10, ensuring that levelness and straightness of gutter 10 meet the installation standard at cornice position, paying off gutter 10 is required to be identical to roof board 5 at the elevation of gutter 10 position, installing two ends of gutter 10 on concrete parapet 11 and purlines 2 respectively, and sealing the junction between gutter 10 and concrete parapet 11 and purlines 2. The gutter 10 is made of stainless steel, two adjacent gutter 10 are welded, the welding seam is polished smoothly, a water closing test is needed after the gutter 10 is installed, water is poured into the gutter 10 in the water closing test to reach 2/3 of the maximum water quantity of the gutter 10, the water is closed for more than 48 hours, and the bottom of the gutter 10 is fully checked immediately after the gutter 10 is filled until water is not leaked for 48 hours.

Step two, paving a roof peripheral guard board, firstly installing the multi-ribbed plate 3 on the purline 2, firstly releasing a locating plate side line before installation so as to avoid generating larger accumulated installation errors, then sequentially overlapping and installing the multi-ribbed plate 3, releasing a composite line every time ten multi-ribbed plates 3 are placed during installation, compounding the installation size deviation of the multi-ribbed plate 3, and carrying out real-time adjustment according to the actual size of the deviation. The multi-rib plate 3 after the laying is firstly laid with a steam barrier film layer 41, in the concrete construction, the lowest part of the roof is lapped and laid upwards, the reserved section is reserved at the cornice, the reserved section is temporarily fixed at the cornice, two adjacent steam barrier film layers 41 should follow the principles of ' lap joint parallel to the ridge direction should overlap along the running water direction ', lap joint perpendicular to the ridge direction should overlap along the annual maximum frequency wind direction ', and the starting and the head collecting positions should be fully pasted and fixed by adopting butyl adhesive tape when the steam barrier film layers 41 are laid. The insulation layer 42 should be laid flat, edge-turned-free, folded-free and tight in seams, with a thickness of between 70mm and 80mm, and in one embodiment, a thickness of 75mm is preferred. The steps and requirements for laying the waterproof membrane layer 43 are the same as those of the steam barrier membrane layer 41, and will not be repeated here. And finally, paving the roof plates 5 on the waterproof heat-insulating plates 4, fixedly connecting the roof plates 5 with the purlines 2 by using a fixed support, performing edge locking treatment on two adjacent roof plates 5, and reserving a gap of about 50mm at the intersection of the roof ridges on the roof plates 5 at the two sides of the roof ridge.

Step three, mounting a ridge structure, namely placing a ridge cover plate 71 at a ridge position, fixing the ridge cover plate 71 on the ridge 5 by using a fastener, sealing and connecting the ridge plates 5 at two sides of the ridge by using a ridge connecting structure 7, sealing and installing a ridge plug 73 between the ridge cover plate 71 and the ridge plates 5, sealing the opening between the ridge cover plate 71 and the ridge plates 5, and finally sealing the end part of the ridge cover plate 71 and a concrete wall by using a ridge and concrete wall connecting structure 8.

Step four, the roof ventilator 15 is installed, firstly, a region with a corresponding size is cut on the roof board 5 according to the outline dimension of the roof ventilator 15, in one embodiment, when the reserved position of the roof ventilator 15 is cut on the roof board 5, 260 mm-320 mm is needed to be cut on one side of the roof board 5, a rainwater splitter plate 93 is installed at the reserved position, then, supporting channel steel is installed on the roof board 5, in one embodiment, three supporting channel steel are installed, wherein two supporting channel steel are along the ridge direction, and the other supporting channel steel is lapped on the first two supporting channel steel. The roof ventilator 15 is fixedly arranged on the supporting channel steel, and a fastener for fixing the supporting channel steel cannot be fixed on the purline 2, so that the influence on thermal expansion and contraction of the roof board 5 is avoided. Finally, the roof ventilator 15, the roof panel 5 and the waterproof insulation board 4 are sealed by using the ventilator connecting structure 9.

The above embodiments are only a few descriptions of the inventive concept and implementation, and are not limited thereto, and the technical solutions without substantial transformation remain within the scope of protection under the inventive concept.

Claims (10)

1. The utility model provides a double sloping roof peripheral guard structure with ventilator, includes roofing steel truss structure, install a plurality of purlins on the roofing steel truss structure, its characterized in that: the purline is provided with a plurality of rib plates, the rib plates are provided with waterproof heat-insulating plates, and roof boards are arranged on the waterproof heat-insulating plates; the ridge is provided with a ridge connecting structure, the ridge connecting structure comprises a ridge cover plate, heat-insulating cotton, a ridge plug and a ridge supporting plate, the ridge supporting plate is arranged on a purline, the ridge cover plate is arranged on the ridge plate, the ridge plug is arranged between the ridge plate and the ridge cover plate in a sealing way, and the heat-insulating cotton is filled among the ridge cover plate, the ridge plug and the waterproof heat-insulating plate; a gutter is arranged at the cornice, one end of the gutter is arranged on a concrete parapet wall, a protective flashing plate is also arranged on the concrete parapet wall in a sealing manner, one end of the protective flashing plate is lapped in the gutter, the other end of the gutter is arranged on purlines, a cornice edge folding plate is arranged on the roof plate, and one end of the cornice edge folding plate is lapped in the gutter; the double-slope roof peripheral protection structure with the ventilator further comprises a ridge and concrete wall connecting structure, wherein the ridge and concrete wall connecting structure comprises an L-shaped parallel transition support piece, a cover plate, a lap joint pressing strip, a water retaining support body and a transition flashing plate, the L-shaped parallel transition support piece is arranged on the concrete wall, the cover plate is arranged at a joint gap between two adjacent L-shaped parallel transition support pieces, the lap joint pressing strip is arranged at a joint position of the ridge cover plate and the cover plate, the water retaining support body is arranged on the ridge cover plate, one end of the transition flashing plate is arranged on the roof plate, and the other end of the transition flashing plate is arranged on the L-shaped parallel transition support piece; still install the roofing ventilator on the purlin, roofing ventilator bottom is installed on the ventilator support, roofing ventilator one end is passed many floor, waterproof heated board and roof boarding are linked together with the external world, and the roofing ventilator passes through ventilator connection structure and roofing steel truss structure sealing connection, ventilator connection structure includes L shape reinforcing plate, waterproof board, rainwater flow distribution plate, Z shape support and waterproof plastic film layer constitution, L shape reinforcing plate one end is installed on the ventilator support, the other end is installed on the waterproof heated board, the rainwater flow distribution plate slope is installed on L shape reinforcing plate, waterproof plastic film layer is installed on rainwater flow distribution plate and roof boarding, Z shape support is installed in the waterproof heated board, transition flashing board is through transition support piece install on the parallel transition support of L shape, and at transition flashing board one end sets up U-shaped connecting portion the transition support piece one end sets up U-shaped link, U-shaped link portion with U-shaped connecting portion links to each other, Z shape support layer is installed with waterproof plastic film layer is in between waterproof film layer and the waterproof film layer is established to the waterproof film layer between the waterproof film layer.

2. The double-slope roof perimeter structure with ventilator of claim 1, wherein: the waterproof insulation board is formed by compounding a steam barrier film layer, an insulation cotton layer and a waterproof film layer, wherein the insulation cotton layer is arranged between the steam barrier film layer and the waterproof film layer.

3. The double-slope roof perimeter structure with ventilator of claim 1, wherein: the roof board is of a groove-shaped structure, hemming structures are arranged at two ends of the roof board, and the hemming structures are arranged on the purlines through fixing seats.

4. The double-slope roof perimeter structure with ventilator of claim 1, wherein: the ridge supporting plate is of a bilateral symmetry structure, the symmetry center of the ridge supporting plate coincides with the ridge center line, and two ends of the ridge supporting plate are respectively arranged on two purlines on two sides of the ridge.

5. The double-slope roof perimeter structure with ventilator of claim 1, wherein: the ridge cover plate is of a bilateral symmetry structure, the symmetry center of the ridge cover plate coincides with the ridge central line, and U-shaped tail ends are arranged on the left side and the right side of the ridge cover plate.

6. The double-slope roof perimeter structure with ventilator of claim 1, wherein: the concrete parapet wall is provided with an installation groove, one end of the protection flashing plate is provided with an L-shaped connecting part, the L-shaped connecting part is arranged in the installation groove, a sealing fixing block is further arranged in the installation groove, and the sealing fixing block can seal the L-shaped connecting part in the installation groove; the other end of the protection flashing board is provided with a V-shaped waterproof part, and the V-shaped waterproof part is positioned at the lower side of the connecting point of the gutter and the concrete parapet.

7. A method of constructing a double-slope roof enclosure having a ventilator as claimed in any one of claims 1 to 6, wherein: the construction method comprises the following steps:

step one, installing a gutter at the cornice;

step two, paving a roof peripheral guard board;

step three, mounting a ridge structure;

step four, installing a roof ventilator;

installing a gutter on the constructed roof steel structure truss structure and purlines, measuring the gutter before installation, ensuring that the levelness and straightness of the gutter meet the installation standards at the cornice position, and finally fixedly installing the other end of the gutter on a concrete parapet wall;

firstly, installing multiple rib plates on purlines, firstly, releasing a positioning plate edge line before installation, then sequentially overlapping and installing a plurality of multiple rib plates, putting a composite line every ten rib plates when in installation, compounding the installation size deviation of the multiple rib plates, and adjusting according to the actual size of the deviation, sequentially paving a steam barrier film layer, a heat preservation cotton layer and a waterproof film layer on the multiple rib plates to finish the paving of the waterproof heat preservation plate, paving a roof plate on the waterproof heat preservation plate, fixedly connecting the roof plate and the purlines by using a fixed support, and performing edge locking treatment on two adjacent roof plates;

placing a ridge cover plate at the ridge position, fixing the ridge cover plate on the ridge plate by using a fastener, sealing and installing a ridge plug between the ridge cover plate and the ridge plate, sealing the opening between the ridge cover plate and the ridge plate, and sealing the end part of the ridge cover plate and the concrete wall;

cutting out areas with corresponding sizes on the roof plate according to the outline dimensions of the roof ventilator, then installing support channel steel on the roof plate, installing the roof ventilator on the support channel steel, and finally sealing the roof ventilator, the roof plate and the waterproof insulation board.

8. The double-slope roof perimeter structure with ventilator of claim 1, wherein: and in the second step, reserving the length of the steam barrier film layer and the waterproof film layer at the cornice by 150-300 mm, and temporarily fixing the reserved section at the cornice.

9. The method of constructing a double-slope roof outer envelope with a ventilator of claim 7, wherein: in the fourth step, when the reserved position of the roof ventilator is cut on the roof plate, more cutting is needed to be performed at one side of the reserved position by 260-320 mm, and a rainwater diversion plate is arranged at the reserved position.

10. The method of constructing a double-slope roof outer envelope with a ventilator of claim 9, wherein: and in the fourth step, the fastener for fixing the supporting channel steel cannot be fixed on the purline.

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