CN114108920A - Construction process of aluminum alloy profile for ETFE (ethylene-vinyl acetate) membrane air pillow lighting roof - Google Patents
Construction process of aluminum alloy profile for ETFE (ethylene-vinyl acetate) membrane air pillow lighting roof Download PDFInfo
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- CN114108920A CN114108920A CN202111570129.2A CN202111570129A CN114108920A CN 114108920 A CN114108920 A CN 114108920A CN 202111570129 A CN202111570129 A CN 202111570129A CN 114108920 A CN114108920 A CN 114108920A
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- steel pipe
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- 229910000838 Al alloy Inorganic materials 0.000 title claims abstract description 152
- 238000000034 method Methods 0.000 title claims abstract description 44
- 239000012528 membrane Substances 0.000 title claims abstract description 32
- 238000010276 construction Methods 0.000 title claims abstract description 27
- 229920000840 ethylene tetrafluoroethylene copolymer Polymers 0.000 title claims abstract description 26
- DQXBYHZEEUGOBF-UHFFFAOYSA-N but-3-enoic acid;ethene Chemical compound C=C.OC(=O)CC=C DQXBYHZEEUGOBF-UHFFFAOYSA-N 0.000 title description 2
- 239000005038 ethylene vinyl acetate Substances 0.000 title description 2
- 229920001200 poly(ethylene-vinyl acetate) Polymers 0.000 title description 2
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 81
- 239000010959 steel Substances 0.000 claims abstract description 81
- 238000003466 welding Methods 0.000 claims abstract description 57
- 239000010935 stainless steel Substances 0.000 claims description 82
- 229910001220 stainless steel Inorganic materials 0.000 claims description 82
- 238000010079 rubber tapping Methods 0.000 claims description 36
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 33
- 229910052782 aluminium Inorganic materials 0.000 claims description 33
- 239000002390 adhesive tape Substances 0.000 claims description 15
- 125000000484 butyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 claims description 15
- NBVXSUQYWXRMNV-UHFFFAOYSA-N fluoromethane Chemical compound FC NBVXSUQYWXRMNV-UHFFFAOYSA-N 0.000 claims description 9
- 238000005507 spraying Methods 0.000 claims description 9
- 239000011248 coating agent Substances 0.000 claims description 6
- 238000000576 coating method Methods 0.000 claims description 6
- 241001669679 Eleotris Species 0.000 claims description 3
- 238000004026 adhesive bonding Methods 0.000 claims description 3
- 239000003365 glass fiber Substances 0.000 claims description 3
- 239000012774 insulation material Substances 0.000 claims description 3
- 238000004321 preservation Methods 0.000 claims description 3
- 238000003825 pressing Methods 0.000 claims description 3
- 238000009435 building construction Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009415 formwork Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
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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
- E04B7/00—Roofs; Roof construction with regard to insulation
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
- E04D13/00—Special arrangements or devices in connection with roof coverings; Protection against birds; Roof drainage ; Sky-lights
- E04D13/04—Roof drainage; Drainage fittings in flat roofs, balconies or the like
- E04D13/064—Gutters
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
- E04D13/00—Special arrangements or devices in connection with roof coverings; Protection against birds; Roof drainage ; Sky-lights
- E04D13/16—Insulating devices or arrangements in so far as the roof covering is concerned, e.g. characterised by the material or composition of the roof insulating material or its integration in the roof structure
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
- E04D5/00—Roof covering by making use of flexible material, e.g. supplied in roll form
- E04D5/06—Roof covering by making use of flexible material, e.g. supplied in roll form by making use of plastics
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Tents Or Canopies (AREA)
Abstract
The invention discloses a construction process of an aluminum alloy section for an ETFE membrane air pillow daylighting roof, and relates to the technical field of ETFE membrane air pillow daylighting roof aluminum alloy section construction. In order to fix the ETFE membrane air pillow conveniently, the aluminum alloy section construction process comprises the following steps: mounting and fixing a finished spherical hinge support on a structure around a main body of the lighting well, connecting a steel pipe stand column on the spherical hinge support, and welding a transverse steel pipe beam, a longitudinal steel pipe beam and an oblique steel pipe beam on the circumferential outer wall of the steel pipe stand column; connecting intersecting nodes among the transverse steel pipe beam, the longitudinal steel pipe beam and the oblique steel pipe beam in a welding mode; and welding foot codes at the tops of the transverse steel pipe beam, the longitudinal steel pipe beam and the oblique steel pipe beam, and supporting the aluminum alloy profile system by utilizing the foot codes. According to the invention, the ETFE membrane air pillow is fixed on the aluminum alloy section, so that the stability of the ETFE membrane air pillow is effectively improved, and meanwhile, the aluminum alloy section can effectively reduce the weight of the whole structure.
Description
Technical Field
The invention relates to the technical field of ETFE membrane air pillow daylighting roof aluminum alloy section construction, in particular to a construction process of an ETFE membrane air pillow daylighting roof aluminum alloy section.
Background
The ETFE membrane air pillow is used as a material used after inflation, can be prefabricated into membrane bubbles on site, and is convenient to construct and maintain. It can be through controlling what of the air inflation volume, adjust opacity and light transmissivity, utilize the natural light effectively, the energy can be saved plays the thermal-insulated effect that keeps warm simultaneously, at first need utilize the steel construction to build the main body frame carrying out the in-process of laying to ETFE membrane air pillow, builds aluminium alloy ex-trusions simultaneously on the main body frame, and aluminium alloy ex-trusions can be used for fixing the membrane air pillow to can guarantee the security of membrane air pillow in the use.
Through retrieval, the Chinese patent with the application number of CN202010840465.3 discloses a construction process of an aluminum alloy template for building construction, which comprises the following steps: s1: construction preparation and pre-configuration of construction resources; s2: testing the line; s3: installing the wallboard and correcting the verticality of the installed wallboard; s4: installing and correcting a floor beam template; s5: installing a template keel between the floor beam templates; s6: installing a floor formwork and leveling; s7: after the installation is finished, carrying out integral correction and reinforcement, and filling ash at the bottom of the wall template; s8: checking and accepting according to technical requirements; s9: and (6) pouring concrete.
The construction process of the aluminum alloy template for building construction in the patent has the following defects: in the process of constructing the aluminum alloy template, the strength and the stability of the connecting joint of the aluminum alloy template can not be effectively ensured.
Disclosure of Invention
The invention aims to solve the defects in the prior art, and provides a construction process of an aluminum alloy section for an ETFE membrane air pillow daylighting roof.
In order to achieve the purpose, the invention adopts the following technical scheme:
a construction process of an aluminum alloy section for an ETFE membrane air pillow lighting roof comprises the following steps,
s1: mounting and fixing a finished spherical hinge support on a structure around a main body of the lighting well, connecting a steel pipe stand column on the spherical hinge support, and welding a transverse steel pipe beam, a longitudinal steel pipe beam and an oblique steel pipe beam on the circumferential outer wall of the steel pipe stand column;
s2: connecting intersecting nodes among the transverse steel pipe beam, the longitudinal steel pipe beam and the oblique steel pipe beam in a welding mode;
s3: welding foot codes at the tops of the transverse steel pipe beam, the longitudinal steel pipe beam and the oblique steel pipe beam, and supporting the aluminum alloy profile system by utilizing the foot codes;
s4: constructing overhaul channel nodes contained in the aluminum alloy section system, and overhauling the aluminum alloy section system and the membrane air pillow by using the overhaul channel nodes;
s5: building a node which is contained in the aluminum alloy section system and is penetrated by an air inflation pipeline;
s6: constructing a node with a stainless steel cable in an aluminum alloy profile system;
s7: constructing a node which is positioned at the edge of the daylighting roof and is penetrated by an inflation pipeline;
s8: and constructing a node without an inflation pipeline at the edge of the daylighting roof.
Preferably: and the foot codes on the beam in the step S3 are made of H-shaped steel, a square steel plate is welded on the top of the H-shaped steel, and four long round holes are formed in the steel plate.
Preferably: the construction process of the node with the overhaul channel in the step S4 comprises the following steps:
s41: welding a gutter support on the outer wall of the upper circumference of the main beam, fixing angle aluminum on the gutter support by using screws, fixing an aluminum alloy plate on the surface of the angle aluminum by using a self-tapping screw, spraying fluorocarbon on the surface of the aluminum alloy plate, and fixing the top of the aluminum alloy plate on the outer wall of one side of the gutter support by using the self-tapping screw;
s42: the gutter bracket fixes an aluminum alloy base by using a stainless steel bolt and a flat cushion-elastic cushion, a lower gasket is bonded at the top end of the aluminum alloy base by using a double-sided butyl adhesive tape, a pneumatic sleeper is pressed in the aluminum alloy base, and an upper cover plate, an aluminum alloy cover plate and a stainless steel bird rack are fixed at the top of the aluminum alloy base by using a self-tapping nail;
s43: welding a steel plate outer gutter on the inner wall of the top of the gutter support, filling a 10 mm-thick glass fiber heat preservation box on the inner wall of the steel plate outer gutter, and fixing a stainless steel inner gutter on the top of the steel plate outer gutter by using a stainless steel bolt;
s44: fixing an aluminum alloy cover plate on the outer walls of two sides of the stainless steel inner gutter by using stainless steel bolts, spraying fluorocarbon on the surface of the aluminum alloy cover plate, clamping the other end of the aluminum alloy cover plate in the aluminum profile suite, covering a PVC waterproof film on the surface of the aluminum alloy cover plate, and performing gluing waterproof treatment on the joint of the aluminum alloy cover plate and the aluminum alloy cover plate;
s45: an aluminum grid plate support is welded at the top of the stainless steel inner gutter, and a safety rope hook is fixed at the top of the aluminum grid plate support by using a stainless steel bolt.
Preferred for the present invention are: the construction process of the node through which the air inflation pipeline passes in the step S5 comprises the following steps:
s51: welding foot connectors on the outer walls of the circumferences of the main beam and the oblique beam, fixing angle aluminum on the outer walls of the circumferences of the main beam and the cross beam by using self-tapping screws, fixing an aluminum alloy plate on the surface of the angle aluminum by using the self-tapping screws, fixing the top of the aluminum alloy plate on the outer walls of the foot connectors by using the self-tapping screws, and performing fluorocarbon spraying on the surface of the aluminum alloy plate;
s52: the method comprises the following steps of performing hole opening operation inside a foot code web plate, accommodating a secondary air supply pipe inside, connecting air inflation hoses at two ends of the secondary air supply pipe through threads, and performing air inflation operation on the ETFE membrane air pillow by using the air inflation hoses;
s53: fixing an aluminum alloy base by using a stainless steel bolt and a flat pad and an elastic pad on the outer wall of the top of the foot code, and bonding a lower gasket on the top end of the aluminum alloy base by using a double-sided butyl adhesive tape;
s54: the air pillow is pressed in the aluminum alloy base, and the upper cover plate, the aluminum alloy cover plate and the stainless steel bird rack are fixed at the top of the aluminum alloy base through self-tapping screws.
As a preferable aspect of the present invention: the construction process of the node with the stainless steel stay cable in the step S6 comprises the following steps:
s61: welding foot codes on the outer walls of the circumferences of the main beam and the oblique beam, welding ribbed plates at the top ends of the foot codes, welding lug plates on the outer walls of two sides of each ribbed plate, and opening holes;
s62: fixing a stainless steel shackle at an opening of the ear plate by using a bolt, clamping a stainless steel cable on the outer wall of the stainless steel shackle, and wrapping a white PE coating on the outer wall of the stainless steel cable;
s63: fixing an aluminum alloy base by using a stainless steel bolt and a flat pad and an elastic pad on the outer wall of the top of the foot code, and bonding a lower gasket on the top end of the aluminum alloy base by using a double-sided butyl adhesive tape;
s64: and pressing the air pillow in the aluminum alloy base, and fixing the upper cover plate and the aluminum alloy cover plate at the top of the aluminum alloy base by using self-tapping screws.
As a preferable aspect of the present invention: the construction process of the node which is positioned at the edge of the daylighting roof and is penetrated by the inflation pipeline in the step S7 comprises the following steps:
s71: welding a finished spherical hinge support on the main body structure, connecting a steel pipe upright column above the finished spherical hinge support, and welding a main beam and a side beam on the outer wall of the circumference of the steel pipe upright column;
s72: welding foot codes on the outer walls of the circumferences of the main beam and the side beam, welding ribbed plates at the top ends of the foot codes, welding lug plates on the outer walls of two sides of each ribbed plate, and opening holes;
73: fixing a stainless steel shackle at an opening of the ear plate by using a bolt, clamping a stainless steel cable on the outer wall of the stainless steel shackle, and wrapping a white PE coating on the outer wall of the stainless steel cable;
s74: fixing an aluminum alloy base by using a stainless steel bolt and a flat pad and an elastic pad on the outer wall of the top of the foot code, and bonding a lower gasket on the top end of the aluminum alloy base by using a double-sided butyl adhesive tape;
s75: the air pillow is pressed in the aluminum alloy base, and the upper cover plate, the aluminum alloy cover plate and the stainless steel bird rack are fixed on the top of the aluminum alloy base by self-tapping screws;
s76: fixing a waterproof aluminum plate on the outer wall of the foot connector by using a self-tapping screw, covering a heat insulation material at the bottom of the waterproof aluminum plate, and covering a PVC waterproof film at the top of the waterproof aluminum plate;
s77: an opening is made inside the foot bridge, an inflation hose is inserted inside the opening, and a connection is made between the inflation hose and the main inflation duct.
Further: the construction process of the node without the inflation pipeline at the edge of the daylighting roof in the step S8 comprises the following steps:
s81: welding a finished spherical hinge support on the main body structure, welding a main beam on the finished spherical hinge support, connecting a steel pipe upright column above the finished spherical hinge support, and welding the main beam and a side beam on the outer wall of the circumference of the steel pipe upright column;
s82: welding gutter brackets on the main beams and the side beams, and chiseling a notch at the top of the concrete for the gutter to penetrate out;
s83: the fixed thick aluminum plate of girder gutter support top utilizes stainless steel bolt, utilizes stainless steel bolt cooperation one flat fixed aluminum alloy base of bullet pad of backing up at boundary beam gutter support top outer wall, utilizes two-sided butyl adhesive tape to bond the lower gasket on aluminum alloy base top, and the inside pressfitting air pillow of aluminum alloy base utilizes self tapping nail fixed upper cover plate, aluminum alloy cover plate and stainless steel bird's frame at aluminum alloy base top.
As a further scheme of the invention: the thickness of the aluminum alloy cover plate is 3 mm.
As a still further scheme of the invention: the specification of the self-tapping nail is ST6.3 × 6.8.
As a still further scheme of the invention: the stainless steel bolt specification is M6 × 25.
The invention has the beneficial effects that:
1. through fixing ETFE membrane air pillow on aluminium alloy ex-trusions, can improve ETFE membrane air pillow's stability, aluminium alloy ex-trusions can effectively reduce the weight of whole structure simultaneously, can improve the intensity of structure simultaneously to can improve the life of whole structure.
2. Through setting up maintenance passageway node, can be convenient for overhaul it and maintain when installing fixed ETFE membrane air pillow, the setting of node can effectively improve the joint strength between horizontal steel tubular beam, vertical steel tubular beam, the slant steel tubular beam and the firmness after fixing simultaneously.
3. Have the node that inflation tube passed through the setting and can effectively install and fix inflation tube to can aerify ETFE membrane air pillow, can follow the below through the node that is provided with the stainless steel cable and hold ETFE membrane air pillow, support in the middle of providing for ETFE membrane air pillow.
4. The node which is arranged at the edge position of the daylighting top and provided with the inflatable pipeline to penetrate through and the node which is arranged at the edge of the daylighting top and provided with no inflatable pipeline are constructed, so that the ETFE membrane air pillow arranged at the edge position of the daylighting top can be inflated.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, serve to provide a further understanding of the application and to enable other features, objects, and advantages of the application to be more apparent. The drawings and their description illustrate the embodiments of the invention and do not limit it. In the drawings:
FIG. 1 is a schematic overall flow chart of the construction process of the aluminum alloy section for the lighting roof of the ETFE membrane air pillow provided by the invention.
Detailed Description
In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only partial embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged under appropriate circumstances such that embodiments of the application described herein may be used. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
In this application, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings. These terms are used primarily to better describe the present application and its embodiments, and are not used to limit the indicated devices, elements or components to a particular orientation or to be constructed and operated in a particular orientation.
Moreover, some of the above terms may be used to indicate other meanings besides the orientation or positional relationship, for example, the term "on" may also be used to indicate some kind of attachment or connection relationship in some cases. The specific meaning of these terms in this application will be understood by those of ordinary skill in the art as appropriate.
In addition, the term "plurality" shall mean two as well as more than two.
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.
Example 1:
a construction process of an aluminum alloy section for an ETFE membrane air pillow lighting roof comprises the following steps,
s1: mounting and fixing a finished spherical hinge support on a structure around a main body of the lighting well, connecting a steel pipe stand column on the spherical hinge support, and welding a transverse steel pipe beam, a longitudinal steel pipe beam and an oblique steel pipe beam on the circumferential outer wall of the steel pipe stand column;
s2: connecting intersecting nodes among the transverse steel pipe beam, the longitudinal steel pipe beam and the oblique steel pipe beam in a welding mode;
s3: welding foot codes at the tops of the transverse steel pipe beam, the longitudinal steel pipe beam and the oblique steel pipe beam, and supporting the aluminum alloy profile system by utilizing the foot codes;
s4: constructing overhaul channel nodes contained in the aluminum alloy section system, and overhauling the aluminum alloy section system and the membrane air pillow by using the overhaul channel nodes;
s5: building a node which is contained in the aluminum alloy section system and is penetrated by an air inflation pipeline;
s6: constructing a node with a stainless steel cable in an aluminum alloy profile system;
s7: constructing a node which is positioned at the edge of the daylighting roof and is penetrated by an inflation pipeline;
s8: and constructing a node without an inflation pipeline at the edge of the daylighting roof.
And the foot codes on the beam in the step S3 are made of H-shaped steel, a square steel plate is welded on the top of the H-shaped steel, and four long round holes are formed in the steel plate.
Example 2:
the construction process of the node with the overhaul channel in the step S4 comprises the following steps:
s41: welding a gutter support on the outer wall of the upper circumference of the main beam, fixing angle aluminum on the gutter support by using screws, fixing an aluminum alloy plate on the surface of the angle aluminum by using a self-tapping screw, spraying fluorocarbon on the surface of the aluminum alloy plate, and fixing the top of the aluminum alloy plate on the outer wall of one side of the gutter support by using the self-tapping screw;
s42: the gutter bracket fixes an aluminum alloy base by using a stainless steel bolt and a flat cushion-elastic cushion, a lower gasket is bonded at the top end of the aluminum alloy base by using a double-sided butyl adhesive tape, a pneumatic sleeper is pressed in the aluminum alloy base, and an upper cover plate, an aluminum alloy cover plate and a stainless steel bird rack are fixed at the top of the aluminum alloy base by using a self-tapping nail;
s43: welding a steel plate outer gutter on the inner wall of the top of the gutter support, filling a 10 mm-thick glass fiber heat preservation box on the inner wall of the steel plate outer gutter, and fixing a stainless steel inner gutter on the top of the steel plate outer gutter by using a stainless steel bolt;
s44: fixing an aluminum alloy cover plate on the outer walls of two sides of the stainless steel inner gutter by using stainless steel bolts, spraying fluorocarbon on the surface of the aluminum alloy cover plate, clamping the other end of the aluminum alloy cover plate in the aluminum profile suite, covering a PVC waterproof film on the surface of the aluminum alloy cover plate, and performing gluing waterproof treatment on the joint of the aluminum alloy cover plate and the aluminum alloy cover plate;
s45: an aluminum grid plate support is welded at the top of the stainless steel inner gutter, and a safety rope hook is fixed at the top of the aluminum grid plate support by using a stainless steel bolt.
Example 3:
the construction process of the node through which the air inflation pipeline passes in the step S5 comprises the following steps:
s51: welding foot connectors on the outer walls of the circumferences of the main beam and the oblique beam, fixing angle aluminum on the outer walls of the circumferences of the main beam and the cross beam by using self-tapping screws, fixing an aluminum alloy plate on the surface of the angle aluminum by using the self-tapping screws, fixing the top of the aluminum alloy plate on the outer walls of the foot connectors by using the self-tapping screws, and performing fluorocarbon spraying on the surface of the aluminum alloy plate;
s52: the method comprises the following steps of performing hole opening operation inside a foot code web plate, accommodating a secondary air supply pipe inside, connecting air inflation hoses at two ends of the secondary air supply pipe through threads, and performing air inflation operation on the ETFE membrane air pillow by using the air inflation hoses;
s53: fixing an aluminum alloy base by using a stainless steel bolt and a flat pad and an elastic pad on the outer wall of the top of the foot code, and bonding a lower gasket on the top end of the aluminum alloy base by using a double-sided butyl adhesive tape;
s54: the air pillow is pressed in the aluminum alloy base, and the upper cover plate, the aluminum alloy cover plate and the stainless steel bird rack are fixed at the top of the aluminum alloy base through self-tapping screws.
Example 4:
the construction process of the node with the stainless steel stay cable in the step S6 comprises the following steps:
s61: welding foot codes on the outer walls of the circumferences of the main beam and the oblique beam, welding ribbed plates at the top ends of the foot codes, welding lug plates on the outer walls of two sides of each ribbed plate, and opening holes;
s62: fixing a stainless steel shackle at an opening of the ear plate by using a bolt, clamping a stainless steel cable on the outer wall of the stainless steel shackle, and wrapping a white PE coating on the outer wall of the stainless steel cable;
s63: fixing an aluminum alloy base by using a stainless steel bolt and a flat pad and an elastic pad on the outer wall of the top of the foot code, and bonding a lower gasket on the top end of the aluminum alloy base by using a double-sided butyl adhesive tape;
s64: and pressing the air pillow in the aluminum alloy base, and fixing the upper cover plate and the aluminum alloy cover plate at the top of the aluminum alloy base by using self-tapping screws.
Example 5:
the construction process of the node which is positioned at the edge of the daylighting roof and is penetrated by the inflation pipeline in the step S7 comprises the following steps:
s71: welding a finished spherical hinge support on the main body structure, connecting a steel pipe upright column above the finished spherical hinge support, and welding a main beam and a side beam on the outer wall of the circumference of the steel pipe upright column;
s72: welding foot codes on the outer walls of the circumferences of the main beam and the side beam, welding ribbed plates at the top ends of the foot codes, welding lug plates on the outer walls of two sides of each ribbed plate, and opening holes;
73: fixing a stainless steel shackle at an opening of the ear plate by using a bolt, clamping a stainless steel cable on the outer wall of the stainless steel shackle, and wrapping a white PE coating on the outer wall of the stainless steel cable;
s74: fixing an aluminum alloy base by using a stainless steel bolt and a flat pad and an elastic pad on the outer wall of the top of the foot code, and bonding a lower gasket on the top end of the aluminum alloy base by using a double-sided butyl adhesive tape;
s75: the air pillow is pressed in the aluminum alloy base, and the upper cover plate, the aluminum alloy cover plate and the stainless steel bird rack are fixed on the top of the aluminum alloy base by self-tapping screws;
s76: fixing a waterproof aluminum plate on the outer wall of the foot connector by using a self-tapping screw, covering a heat insulation material at the bottom of the waterproof aluminum plate, and covering a PVC waterproof film at the top of the waterproof aluminum plate;
s77: an opening is made inside the foot bridge, an inflation hose is inserted inside the opening, and a connection is made between the inflation hose and the main inflation duct.
The construction process of the node without the inflation pipeline at the edge of the daylighting roof in the step S8 comprises the following steps:
s81: welding a finished spherical hinge support on the main body structure, welding a main beam on the finished spherical hinge support, connecting a steel pipe upright column above the finished spherical hinge support, and welding the main beam and a side beam on the outer wall of the circumference of the steel pipe upright column;
s82: welding gutter brackets on the main beams and the side beams, and chiseling a notch at the top of the concrete for the gutter to penetrate out;
s83: the fixed thick aluminum plate of girder gutter support top utilizes stainless steel bolt, utilizes stainless steel bolt cooperation one flat fixed aluminum alloy base of bullet pad of backing up at boundary beam gutter support top outer wall, utilizes two-sided butyl adhesive tape to bond the lower gasket on aluminum alloy base top, and the inside pressfitting air pillow of aluminum alloy base utilizes self tapping nail fixed upper cover plate, aluminum alloy cover plate and stainless steel bird's frame at aluminum alloy base top.
Example 6:
the thickness of the aluminum alloy cover plate is 3 mm; the specification of the self-tapping nail is ST6.3 × 6.8; the stainless steel bolt specification is M6 × 25.
The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims (10)
1. A construction process of an aluminum alloy section for an ETFE membrane air pillow lighting roof comprises the following steps,
s1: mounting and fixing a finished spherical hinge support on a structure around a main body of the lighting well, connecting a steel pipe stand column on the spherical hinge support, and welding a transverse steel pipe beam, a longitudinal steel pipe beam and an oblique steel pipe beam on the circumferential outer wall of the steel pipe stand column;
s2: connecting intersecting nodes among the transverse steel pipe beam, the longitudinal steel pipe beam and the oblique steel pipe beam in a welding mode;
s3: welding foot codes at the tops of the transverse steel pipe beam, the longitudinal steel pipe beam and the oblique steel pipe beam, and supporting the aluminum alloy profile system by utilizing the foot codes;
s4: constructing overhaul channel nodes contained in the aluminum alloy section system, and overhauling the aluminum alloy section system and the membrane air pillow by using the overhaul channel nodes;
s5: building a node which is contained in the aluminum alloy section system and is penetrated by an air inflation pipeline;
s6: constructing a node with a stainless steel cable in an aluminum alloy profile system;
s7: constructing a node which is positioned at the edge of the daylighting roof and is penetrated by an inflation pipeline;
s8: and constructing a node without an inflation pipeline at the edge of the daylighting roof.
2. The process of claim 1, wherein the beam foot fastener in the step S3 is made of H-shaped steel, a square steel plate is welded on the top of the H-shaped steel, and four oblong holes are formed in the steel plate.
3. The process of claim 1, wherein the step of S4, which is a process of constructing a node with an access passage, comprises the steps of:
s41: welding a gutter support on the outer wall of the upper circumference of the main beam, fixing angle aluminum on the gutter support by using screws, fixing an aluminum alloy plate on the surface of the angle aluminum by using a self-tapping screw, spraying fluorocarbon on the surface of the aluminum alloy plate, and fixing the top of the aluminum alloy plate on the outer wall of one side of the gutter support by using the self-tapping screw;
s42: the gutter bracket fixes an aluminum alloy base by using a stainless steel bolt and a flat cushion-elastic cushion, a lower gasket is bonded at the top end of the aluminum alloy base by using a double-sided butyl adhesive tape, a pneumatic sleeper is pressed in the aluminum alloy base, and an upper cover plate, an aluminum alloy cover plate and a stainless steel bird rack are fixed at the top of the aluminum alloy base by using a self-tapping nail;
s43: welding a steel plate outer gutter on the inner wall of the top of the gutter support, filling a 10 mm-thick glass fiber heat preservation box on the inner wall of the steel plate outer gutter, and fixing a stainless steel inner gutter on the top of the steel plate outer gutter by using a stainless steel bolt;
s44: fixing an aluminum alloy cover plate on the outer walls of two sides of the stainless steel inner gutter by using stainless steel bolts, spraying fluorocarbon on the surface of the aluminum alloy cover plate, clamping the other end of the aluminum alloy cover plate in the aluminum profile suite, covering a PVC waterproof film on the surface of the aluminum alloy cover plate, and performing gluing waterproof treatment on the joint of the aluminum alloy cover plate and the aluminum alloy cover plate;
s45: an aluminum grid plate support is welded at the top of the stainless steel inner gutter, and a safety rope hook is fixed at the top of the aluminum grid plate support by using a stainless steel bolt.
4. The process of claim 1, wherein the step S5, which is a process of constructing a node through which an inflation pipeline passes, comprises the steps of:
s51: welding foot connectors on the outer walls of the circumferences of the main beam and the oblique beam, fixing angle aluminum on the outer walls of the circumferences of the main beam and the cross beam by using self-tapping screws, fixing an aluminum alloy plate on the surface of the angle aluminum by using the self-tapping screws, fixing the top of the aluminum alloy plate on the outer walls of the foot connectors by using the self-tapping screws, and performing fluorocarbon spraying on the surface of the aluminum alloy plate;
s52: the method comprises the following steps of performing hole opening operation inside a foot code web plate, accommodating a secondary air supply pipe inside, connecting air inflation hoses at two ends of the secondary air supply pipe through threads, and performing air inflation operation on the ETFE membrane air pillow by using the air inflation hoses;
s53: fixing an aluminum alloy base by using a stainless steel bolt and a flat pad and an elastic pad on the outer wall of the top of the foot code, and bonding a lower gasket on the top end of the aluminum alloy base by using a double-sided butyl adhesive tape;
s54: the air pillow is pressed in the aluminum alloy base, and the upper cover plate, the aluminum alloy cover plate and the stainless steel bird rack are fixed at the top of the aluminum alloy base through self-tapping screws.
5. The process of claim 1, wherein the step of S6, the process of constructing the node with stainless steel cables, comprises the steps of:
s61: welding foot codes on the outer walls of the circumferences of the main beam and the oblique beam, welding ribbed plates at the top ends of the foot codes, welding lug plates on the outer walls of two sides of each ribbed plate, and opening holes;
s62: fixing a stainless steel shackle at an opening of the ear plate by using a bolt, clamping a stainless steel cable on the outer wall of the stainless steel shackle, and wrapping a white PE coating on the outer wall of the stainless steel cable;
s63: fixing an aluminum alloy base by using a stainless steel bolt and a flat pad and an elastic pad on the outer wall of the top of the foot code, and bonding a lower gasket on the top end of the aluminum alloy base by using a double-sided butyl adhesive tape;
s64: and pressing the air pillow in the aluminum alloy base, and fixing the upper cover plate and the aluminum alloy cover plate at the top of the aluminum alloy base by using self-tapping screws.
6. The process of claim 1, wherein the step S7, which is a process for constructing a node through which an inflation duct passes at the edge of the daylighting roof, comprises the steps of:
s71: welding a finished spherical hinge support on the main body structure, connecting a steel pipe upright column above the finished spherical hinge support, and welding a main beam and a side beam on the outer wall of the circumference of the steel pipe upright column;
s72: welding foot codes on the outer walls of the circumferences of the main beam and the side beam, welding ribbed plates at the top ends of the foot codes, welding lug plates on the outer walls of two sides of each ribbed plate, and opening holes;
73: fixing a stainless steel shackle at an opening of the ear plate by using a bolt, clamping a stainless steel cable on the outer wall of the stainless steel shackle, and wrapping a white PE coating on the outer wall of the stainless steel cable;
s74: fixing an aluminum alloy base by using a stainless steel bolt and a flat pad and an elastic pad on the outer wall of the top of the foot code, and bonding a lower gasket on the top end of the aluminum alloy base by using a double-sided butyl adhesive tape;
s75: the air pillow is pressed in the aluminum alloy base, and the upper cover plate, the aluminum alloy cover plate and the stainless steel bird rack are fixed on the top of the aluminum alloy base by self-tapping screws;
s76: fixing a waterproof aluminum plate on the outer wall of the foot connector by using a self-tapping screw, covering a heat insulation material at the bottom of the waterproof aluminum plate, and covering a PVC waterproof film at the top of the waterproof aluminum plate;
s77: an opening is made inside the foot bridge, an inflation hose is inserted inside the opening, and a connection is made between the inflation hose and the main inflation duct.
7. The process of claim 1, wherein the step of S8, the step of constructing the node of the lighting roof without the inflation pipe, comprises the steps of:
s81: welding a finished spherical hinge support on the main body structure, welding a main beam on the finished spherical hinge support, connecting a steel pipe upright column above the finished spherical hinge support, and welding the main beam and a side beam on the outer wall of the circumference of the steel pipe upright column;
s82: welding gutter brackets on the main beams and the side beams, and chiseling a notch at the top of the concrete for the gutter to penetrate out;
s83: the fixed thick aluminum plate of girder gutter support top utilizes stainless steel bolt, utilizes stainless steel bolt cooperation one flat fixed aluminum alloy base of bullet pad of backing up at boundary beam gutter support top outer wall, utilizes two-sided butyl adhesive tape to bond the lower gasket on aluminum alloy base top, and the inside pressfitting air pillow of aluminum alloy base utilizes self tapping nail fixed upper cover plate, aluminum alloy cover plate and stainless steel bird's frame at aluminum alloy base top.
8. The process of claim 3, wherein the thickness of the aluminum alloy cover plate is 3 mm.
9. The process of claim 3, wherein the self-tapping screw is ST6.3 x 6.8.
10. The process of claim 3, wherein the stainless steel bolts are M6 × 25.
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