A kind of layer by layer wave metal roof and its construction method

Abstract

The application relates to the technical field of building construction, and particularly discloses a layer-by-layer wavy metal roof and a construction method thereof, which comprises a main steel structure and a main purlin, and the metal roof comprises a steel bottom plate; a stainless steel roof panel is continuously welded with stainless steel, and then a 360-degree occlusion system is adopted; the surface is designed in a concealed installation mode without perforation and puncture; the method of continuous welding is adopted to enhance the integrity of the roof panel, improve the structural rigidity, realize the first overall waterproofing, and then form the second wind and rain barrier through the 360-degree occlusion system under the close mechanical occlusion, provide the structural strength and dynamic protection, form the installation design without puncture and perforation on the surface, completely eliminate the perforation leakage points, solve the leakage problem caused by the aging, loosening or construction error of the fastener hole sealing from the root, greatly improve the durability, and have a service life far longer than that of the traditional fixing mode, and the application is especially suitable for public buildings with high requirements for waterproofing, wind resistance, durability and aesthetics.

Description

Technical Field

[0001] This invention relates to the field of building construction technology, specifically to a layered corrugated metal roof and its construction method. Background Technology

[0002] Currently, an increasing number of large public buildings have large spans, large construction areas, and require short construction periods. Traditional roofing construction methods are no longer sufficient to meet these needs. Metal roofing technology, with its features of automated mechanical construction, flexible, fast, precise, good overall integrity, and simple structure, has gained recognition and is widely used.

[0003] Metal roofing refers to a roofing system that uses metal sheets as the roofing material, combining the structural layer and the waterproofing layer into one. There are many types of metal sheets, including galvanized sheets, aluminized zinc sheets, aluminum alloy sheets, aluminum-magnesium alloy sheets, titanium alloy sheets, copper sheets, and stainless steel sheets. The surface of the sheets can be painted, mainly with four types of paint: PE / PE, SMP / PE, HDP / PE, and PVDF / PE. Painting can extend the service life of the sheets.

[0004] In the existing technology, traditional metal roofs mainly adopt flat or simple corrugated designs, which have some problems when used. Among them, flat or simple corrugated roofs are prone to water seepage at the joints, especially in extreme weather. Secondly, the structural strength is limited, and they are prone to deformation in strong winds or snow accumulation. Furthermore, they are not aesthetically pleasing, have relatively simple designs, and cannot meet the diverse needs of modern buildings. In addition, traditional installation methods are inefficient and costly. Summary of the Invention

[0005] The purpose of this invention is to provide a layered, corrugated metal roof and its construction method, thereby solving the following technical problems:

[0006] (1) How to improve the strength and aesthetics of the roof;

[0007] (2) How to improve installation efficiency.

[0008] The objective of this invention can be achieved through the following technical solutions:

[0009] A method for constructing a layered, corrugated metal roof includes the following steps:

[0010] S1. First, the main steel structure and main purlins are hoisted. Then, steel base plates are installed on the side walls of the main purlins, so that the steel base plates are laid flat on the main steel structure. After the installation is completed, the purlin brackets and secondary purlins are installed. Then, an air-barrier membrane and sound-absorbing cotton are laid on the steel base plates. After the laying is completed, thermal insulation rock wool is laid on the sound-absorbing cotton and secondary purlins. Then, galvanized steel plates are laid on the thermal insulation rock wool, and waterproof membrane is laid on the galvanized steel plates. At the same time, brackets are installed on the waterproof membrane. Then, noise-reducing cotton is laid on the brackets and waterproof membrane. Stainless steel roof panels are installed on the noise-reducing cotton. The stainless steel roof panels are transported using a hoisting mechanism, and clamps are installed on the stainless steel roof panels for installing aluminum alloy keels. Finally, aluminum single panels are installed on the aluminum alloy keels.

[0011] S2, Install the stainless steel gutter system at the same time as installing the roof purlins;

[0012] S3. When installing the steel base plate in S1, attention should be paid to the flatness of the base plate, and the horizontal sections should overlap each other to form a crest for the later installation of the stainless steel roof panels.

[0013] S4 features a concealed installation design where stainless steel roof panels are installed using continuous welding followed by a high-interlocking system, resulting in a surface without perforations or punctures.

[0014] Furthermore, during installation, lightning protection contacts must be installed on the stainless steel roofing panels.

[0015] Meanwhile, metal roofs are divided into insulated structures and non-insulated structures.

[0016] Furthermore, the hoisting mechanism includes a hoisting box, a hook, a hoisting rope, and clamping plates one and two; pulleys are rotatably connected inside the hoisting box; two sets of pulleys are provided; sliding chambers are slidably connected to both sides of the hoisting box; telescopic columns are slidably connected inside the sliding chambers; a pull rod is fixedly connected to the end of the telescopic column away from the sliding chamber; connecting rod one and connecting rod two are rotatably connected to the side wall of the pull rod; the ends of connecting rod one and connecting rod two away from the pull rod are rotatably connected to clamping plate two; clamping plate one is rotatably connected to connecting rod one; a connecting rope is fixedly connected to the side wall of the sliding chamber; the hook is connected to the hoisting rope; the end of the hoisting rope away from the hook is connected to the connecting rope; the connecting rope is located below the pulleys and abuts against the pulleys.

[0017] Furthermore, a snap-fit ​​box is fixedly connected to the top of the sliding compartment; a slide plate is slidably connected inside the snap-fit ​​box; a snap-fit ​​block is fixedly connected to the side wall of the slide plate; a telescopic spring is fixedly connected to the end of the slide plate away from the snap-fit ​​block; the end of the telescopic spring away from the slide plate is fixedly connected to the snap-fit ​​box; the snap-fit ​​block is disposed through the sliding compartment and the telescopic column; a snap-fit ​​groove is provided on the telescopic column; the snap-fit ​​block is snapped into the snap-fit ​​groove; three sets of snap-fit ​​grooves are provided.

[0018] Furthermore, a connecting post is fixedly connected to the side wall of the skateboard; the connecting post passes through the snap-fit ​​box; and a handle is fixedly connected to the end of the connecting post away from the snap-fit ​​box.

[0019] Furthermore, the lifting box is provided in two sets, which are respectively located on both sides of the lifting hook.

[0020] A layered, wave-shaped metal roof includes a main steel structure and main purlins, as well as a steel base plate and stainless steel roof panels. The steel base plate is fixed to the side wall of the main purlins by supporting angle steel. Supports are fixedly connected to the main purlins. Secondary purlins are fixedly connected to the supports. An air-tight membrane and sound-absorbing cotton are laid on the steel base plate. Thermal insulation rock wool is laid on the sound-absorbing cotton. Galvanized steel sheet is laid on the thermal insulation rock wool. Waterproof membrane is laid on the galvanized steel sheet. Brackets and noise-reducing cotton are installed on the waterproof membrane. The stainless steel roof panels are installed on the brackets. Aluminum panels are installed on the stainless steel roof panels.

[0021] Furthermore, it also includes a skylight; a fixed keel is installed on the main steel structure; the skylight is installed in the middle of the metal roof via the fixed keel.

[0022] Furthermore, the stainless steel gutter system includes a stainless steel gutter body and a stainless steel water collection well; the stainless steel water collection well is located at the lowest point of the metal roof.

[0023] Furthermore, the main body of the stainless steel gutter is made of 316 stainless steel with a thickness of 3mm and a width of 1000mm.

[0024] The beneficial effects of this invention are:

[0025] (1) The stainless steel roof panel in this invention adopts a 360-degree interlocking system after continuous welding of stainless steel. The surface is non-perforated and non-punctured, and the concealed installation design enhances the integrity of the roof panel and improves the structural rigidity through continuous welding, achieving the first layer of integrated waterproofing. Then, through the 360-degree interlocking system, a second layer of wind and rain barrier is formed under tight mechanical interlocking, mainly providing structural strength and dynamic protection. Finally, the installation design with no punctures and no perforations is formed, completely eliminating perforation and leakage points. It solves the leakage problem caused by aging, loosening or construction errors of fastener hole seals from the root, greatly improving durability and service life far exceeding that of traditional fixing methods.

[0026] (2) This invention solves the problem of water accumulation on traditional flat roofs by optimizing the wave peak-valley difference and slope. At the same time, the continuous ventilation channel formed by the wave-shaped structure promotes air convection, removes moisture, avoids condensation accumulation, and extends the service life of the building. Furthermore, metal materials have the characteristics of thermal expansion and contraction, and the continuous wave-shaped design can provide a certain space for the expansion and contraction of the roof, reduce stress concentration caused by temperature changes, and thus extend the service life of the roof.

[0027] (3) The undulating shape of this invention facilitates the natural drainage of rainwater, effectively reduces water accumulation on the roof, and lowers the risk of roof leakage. This design can use gravity to make rainwater slide down the wave surface quickly, avoiding long-term soaking and corrosion of the roof material by accumulated water. In addition, the troughs act as natural water channels, and combined with the slope design, they can accelerate rainwater runoff, reduce the probability of water accumulation, and improve drainage efficiency. The surface coating (fluorocarbon coating) can withstand environmental corrosion such as acid rain and salt spray.

[0028] (4) In this invention, the stainless steel roof panel is placed between clamping plate one and clamping plate two, and the stainless steel roof panel is attached to clamping plate two. After being supported by clamping plate two, the hook is lifted. During the lifting process, the hook will pull the connecting rope through the lifting rope. When the connecting rope is pulled, it will pull the two sets of sliding chambers and telescopic columns towards the middle of the lifting box. When pulled, it will drive the pull rod to move. When the pull rod is moved, it will move towards the lifting box. During the movement, it will drive clamping plate one to move through connecting rod one. Clamping plate two will not move due to the placement of the stainless steel roof panel. When clamping plate one moves, it will approach clamping plate two, thereby attaching to the stainless steel roof panel and clamping the stainless steel roof panel. The greater the pulling force, the greater the clamping force, thereby facilitating the hoisting of the stainless steel roof panel and improving the installation efficiency. Attached Figure Description

[0029] The invention will now be further described with reference to the accompanying drawings.

[0030] Figure 1 This is a front view of the overall structure of the metal roof in this invention;

[0031] Figure 2 This is a right view of the overall structure of the metal roof in this invention;

[0032] Figure 3 This is a top view of the overall structure of the metal roof in this invention;

[0033] Figure 4 This is a schematic diagram of the overall structure of the stainless steel gutter body and the stainless steel water collection well in this invention;

[0034] Figure 5 This is a schematic diagram of the overall structure of the lightning protection contact in this invention;

[0035] Figure 6 This is a partial structural schematic diagram of the main purlin and the main steel structure in this invention;

[0036] Figure 7 This is a schematic diagram of the overall structure of the insulation layer and the non-insulation structure in this invention;

[0037] Figure 8This is a partial structural diagram of the insulation layer structure in this invention;

[0038] Figure 9 This is a partial structural diagram of the non-insulating structure in this invention;

[0039] Figure 10 This is a construction progress diagram of the metal roof in this invention;

[0040] Figure 11 This is a schematic diagram of the overall structure of the hoisting mechanism in this invention;

[0041] Figure 12 This is a cross-sectional view of the overall structure of the hoisting box in this invention;

[0042] Figure 13 This is a schematic diagram of the overall structure of the purlin bracket in this invention;

[0043] Figure 14 This is a schematic diagram of the overall structure of the clamp in this invention;

[0044] Figure 15 This is a schematic diagram of the overall structure of the stainless steel gutter system in this invention.

[0045] Attached Figure Descriptions: 1. Stainless steel gutter body; 11. Stainless steel gutter system; 2. Stainless steel drainage well; 5. Skylight; 6. Lifting mechanism; 61. Lifting box; 611. Pulley; 612. Sliding compartment; 613. Connecting rope; 62. Telescopic column; 621. Slot; 63. Connecting box; 631. Slide plate; 632. Locking block; 633. Telescopic spring; 634. Connecting column; 635. Handle; 64. Pull rod; 641. Link 1; 642. Link 2; 65. Clamping plate 1; 6 6. Clamping plate II; 67. Lifting rope; 68. Lifting hook; 7. Aluminum alloy grille; 8. Insulation layer structure; 81. Aluminum single panel; 82. Aluminum alloy keel; 83. Stainless steel roof panel; 831. Clamp; 84. Noise-reducing cotton; 85. Waterproof membrane; 86. Galvanized steel plate; 87. Secondary purlin; 871. Purlin support; 88. Thermal insulation rock wool; 89. Sound-absorbing cotton; 810. Steel base plate; 9. Non-insulated structure; 10. Main steel structure; 101. Main purlin; 102. Support; 12. Lightning protection contact point. Detailed Implementation

[0046] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0047] Please see Figure 1 - Figure 15 As shown, this application provides a method for constructing a layered, corrugated metal roof, comprising the following steps:

[0048] S1. First, hoist the main steel structure 10 and main purlins 101. Then, install the steel base plate 810 on the side wall of the main purlins 101, so that the steel base plate 810 is laid flat on the main steel structure 10. After the installation is completed, install the purlin brackets 871 and secondary purlins 87. Then, lay the air-barrier membrane and sound-absorbing cotton 89 on the steel base plate 810. After the laying is completed, lay the thermal insulation rock wool 88 on the sound-absorbing cotton 89 and secondary purlins 87, and then lay the thermal insulation rock wool 88 on top of the thermal insulation rock wool 88. Galvanized steel sheet 86, waterproof membrane 85 is laid on galvanized steel sheet 86, and brackets are installed on waterproof membrane 85. Noise reduction cotton 84 is laid on brackets and waterproof membrane 85. Stainless steel roof panel 83 is installed on noise reduction cotton 84. Stainless steel roof panel 83 is transported using hoisting mechanism 6. Clamps 831 are installed on stainless steel roof panel 83 for installing aluminum alloy keel 82. Finally, aluminum single panel 81 is installed on aluminum alloy keel 82.

[0049] S2, Install the stainless steel gutter system 11 at the same time as installing the roof purlins;

[0050] S3. When installing the steel base plate 810 in S1, attention should be paid to the flatness of the base plate. At the same time, the horizontal sections should overlap each other with a wave crest for the later installation of the stainless steel roof panel 83.

[0051] S4, when installing stainless steel roof panels 83, continuous welding is used followed by a 360-degree interlocking system, and the surface is designed for concealed installation without perforations or punctures.

[0052] During construction, the main steel purlins 101 are hoisted using a tower crane. After hoisting, the metal roof is divided into four areas for sequential construction according to the construction method. First, the secondary purlins 87 and purlin supports 871 are installed in area one. Second, the stainless steel roof panels 83 are installed in area one. Then, the secondary purlins 87 are installed in area two. Third, the decorative aluminum panels in area one are completed, the stainless steel roof is installed in area two, and the secondary purlins 87 are installed in area three. Fourth, the decorative aluminum panels in area two are completed, the stainless steel roof is installed in area three, and the secondary purlins 87 are installed in area four. Simultaneously with the installation in each area, the sound-absorbing cotton 89 and galvanized steel plates 86 also need to be installed. The secondary purlins 87 are arranged according to a specific wavy curve, with the spacing between adjacent purlins between 900mm and 1100mm, and are connected to the main steel structure via purlin supports 871. The structure 10 is connected, and the angle between the purlin bracket 871 and the wing plate plane of the truss steel strip is 90°±1°, with a positional deviation within 5mm. The aluminum single panel 81 is made of thick fluorocarbon material and is fixed by the keel. The keel is made of anodized aluminum alloy profile and is fixed to the stainless steel roof panel 83 by clamps. The standard side length of the aluminum single panel 81 is 700mm*3000mm, and the folded edge is 20mm. The panels are designed with open slots. The stainless steel gutter body 1 is a metal roof drainage system, which uses matte stainless steel drainage gutter. It uses a siphon drainage system and its own curved surface shape to drain rainwater to the outside, totaling about 2600㎡. There are 15 water collection wells at the lowest point of the roof. The insulation layer structure 8 is installed on the steel base plate 810. The steel base plate 810 is fixedly connected to the main purlin 101. Then, the air-proof membrane and sound-absorbing cotton 89 are laid on the steel base plate 810. When installing the vapor barrier membrane, it is essential to ensure that the substrate is free of obvious protrusions or depressions, guaranteeing the flatness of the PE vapor barrier membrane and preventing warping of the sound-absorbing cotton 89. Any accumulated water, snow, or ice must be removed to prevent moisture buildup in the completed roof system. The sound-absorbing cotton 89 should be placed on top of the vapor barrier membrane. When the roof slope is within 3%, the membrane should be laid parallel to the ridge; when the roof slope is between 3% and 5%, the membrane can be laid parallel or perpendicular to the ridge; when the roof slope is greater than 15%, it must be laid perpendicular to the ridge. Because the slope of this project is greater than 15%, the vapor barrier membrane is laid longitudinally from bottom to top along the roof slope. The vapor barrier membrane must be laid with overlapping joints, and the overlap width must not be less than the design requirements. The overlap size is 100mm. When installing the sound-absorbing cotton 89, it is laid directly on the vapor barrier membrane, requiring complete coverage and tightness. There should be no gaps between the cotton pieces. The joints of two adjacent sound-absorbing cotton 89 pieces must be tightly connected without any gaps. The sound-absorbing cotton 89 should be laid in a staggered manner with a staggered joint distance of 300mm. Then, thermal insulation rock wool 88 is laid on the sound-absorbing cotton 89. The thermal insulation rock wool 88 must be laid flat, without curled edges or folds, and the joints must be tight.The thermal insulation rock wool 88 must be laid and cut according to the roof conditions. The thermal insulation rock wool 88 boards are laid with staggered joints, then galvanized steel plates 86 are laid on top of the thermal insulation rock wool 88, followed by waterproof membrane 85. A support frame is then laid on the waterproof membrane 85, and noise-reducing cotton 84 is laid on top of the waterproof membrane 85. Stainless steel roof panels 83 are then installed on top of the noise-reducing cotton 84. The stainless steel roof panels 83 are connected to the support frame using continuous welding, forming a wavy metal roof according to the wave shape. After welding, aluminum alloy keel 82 is installed on the stainless steel roof panels 83, and aluminum single panels 81 are installed on the aluminum... On the alloy keel 82, this roof panel uses stainless steel continuous welding followed by 360-degree interlocking, resulting in a concealed installation with no perforations or punctures. The continuous welding involves using automatic or handheld welding equipment to continuously and uninterruptedly connect the joints of adjacent stainless steel roof panels 83 (usually at the side or bottom overlap of the panel ribs). The purpose is to fuse the metal of the two panels together, forming a continuous, homogeneous whole. This fundamentally eliminates the possibility of rainwater, air, and dust intruding laterally through the panel seams, while simultaneously enhancing the overall integrity of the roof panel and improving structural rigidity. This is the first step... This is also the most crucial line of defense for waterproofing, achieving "integrated waterproofing." The 360-degree interlocking system is a precise mechanical locking process. The long sides (vertical ribs) of the roof panels are pre-rolled into a specific shape (usually with inner hooks and outer curls). During installation, interlocking tools are used to snap the vertical ribs of one panel together with the vertical ribs of the adjacent panels. Then, the machine drives the vertical ribs to rotate 360 ​​degrees, tightly rolling and locking them. This can be understood as interlocking two "hooks" together and then rotating and tightening them to form a double-locked closure, providing extremely strong tensile strength (resisting negative wind pressure and preventing them from being blown away by the wind) and shear strength. While locking, the system typically incorporates a certain amount of sliding space, allowing the metal sheet to expand and contract freely due to temperature changes, preventing stress deformation. The tight mechanical interlock itself forms a second layer of weather protection, primarily providing structural strength and dynamic protection. This process creates a concealed installation with no perforations or punctures on the surface. "No perforations or punctures" means that there are no exposed screws, rivets, rivets, or other fasteners on the entire visible surface of the roof (the large area of ​​the roof panel). Traditional screw fixing of roofs creates a "hole" through the panel with each screw, a potential leak point and weak point. First, the fixing brackets are fixed to the roof structural layer (such as purlins) with screws. Then, the vertical ribs of the roof panel are fastened to specific slots in the bracket 102. Finally, through the aforementioned 360-degree interlocking process, the vertical ribs and bracket 102 are locked and covered together. In this way, all penetrating fasteners are sealed inside the interlocking ribs, completely invisible and protected from wind and rain.

[0053] like Figures 1-15 As shown, when installing the stainless steel roof panel 83, lightning protection contacts 12 need to be installed on the stainless steel roof panel 83.

[0054] Meanwhile, metal roofs are divided into insulated structure 8 and non-insulated structure 9.

[0055] During operation, no insulating rock wool 88, sound-absorbing cotton 89, or air-tight membrane are installed on the non-insulating layer. The lightning protection contact 12 is a stainless steel plate connected to the purlins through a Φ12 copper conductor (cross-sectional area ≥16mm²) to form a 10×10m lightning protection grid. According to the building lightning protection design code, metal roofs with a thickness of 0.5mm or more can be used as lightning rods. In this project, a 0.5mm stainless steel continuous welded roof panel is used as a lightning rod. The lightning current connected to the roof waterproofing board is transmitted to the purlins through the fixing seat via copper conductors and numerous self-drilling and self-tapping screws, and finally to the entire steel structure.

[0056] like Figures 11-12 As shown, the lifting mechanism 6 includes a lifting box 61, a hook 68, a lifting rope 67, a clamping plate 65 and a clamping plate 66. Two sets of pulleys 611 are rotatably connected inside the lifting box 61. Sliding chambers 612 are slidably connected to both sides of the lifting box 61. Telescopic columns 62 are slidably connected inside the sliding chambers 612. A pull rod 64 is fixedly connected to the end of the telescopic column 62 away from the sliding chamber 612. A connecting rod 64 is rotatably connected to the side wall of the pull rod 64. 641 and connecting rod 2 642, the end of connecting rod 1 641 and connecting rod 2 642 away from the pull rod 64 is rotatably connected to clamping plate 2 66, clamping plate 1 65 is rotatably connected to connecting rod 1 641, a connecting rope 613 is fixedly connected to the side wall of sliding chamber 612, hook 68 is connected to lifting rope 67, the end of lifting rope 67 away from hook 68 is connected to connecting rope 613, connecting rope 613 is set below pulley 611 and abuts against pulley 611.

[0057] During operation, when hoisting the stainless steel roof panel 83, first determine the width of the stainless steel roof panel 83. Then, adjust the telescopic column 62 inside the sliding chamber 612 so that the distance between the clamping plate 1 65 and the clamping plate 2 66 on both sides matches the stainless steel roof panel 83. Next, place the stainless steel roof panel 83 between the clamping plate 1 65 and the clamping plate 2 66, ensuring the stainless steel roof panel 83 is in contact with the clamping plate 2 66 and supported by it. After placement, raise the hook 68. During the upward movement, the hook 68 will pull the connecting rope 613 via the hoisting rope 67. When the connecting rope 613 is pulled, it will cause the two sets of sliding chambers 612 and the telescopic column 62 to move together. The retractable column 62 is pulled toward the middle of the hoisting box 61. When pulled, it will drive the pull rod 64 to move. When the pull rod 64 is moved, it will move toward the hoisting box 61. During the movement, it will drive the clamping plate 65 to move through the connecting rod 641. The clamping plate 66 will not move due to the placement of the stainless steel roof panel 83. When the clamping plate 65 moves, it will approach the clamping plate 66, thus fitting against the stainless steel roof panel 83 and clamping the stainless steel roof panel 83. The greater the pulling force, the greater the clamping force, which facilitates the hoisting of the stainless steel roof panel 83. Furthermore, the hoisting box 61 can accommodate stainless steel roof panels 83 of different sizes.

[0058] like Figures 11-12 As shown, a snap-fit ​​box 63 is fixedly connected to the top of the sliding chamber 612. A slide plate 631 is slidably connected inside the snap-fit ​​box 63. A snap-fit ​​block 632 is fixedly connected to the side wall of the slide plate 631. A telescopic spring 633 is fixedly connected to the end of the slide plate 631 away from the snap-fit ​​block 632. The end of the telescopic spring 633 away from the slide plate 631 is fixedly connected to the snap-fit ​​box 63. The snap-fit ​​block 632 is set through the sliding chamber 612 and the telescopic column 62. A slot 621 is opened on the telescopic column 62. The snap-fit ​​block 632 is snapped into the slot 621. There are three sets of slots 621.

[0059] During operation, the position of the telescopic column 62 within the sliding chamber 612 can be adjusted via the snap-fit ​​box 63, thereby facilitating the hoisting of stainless steel roof panels 83 of different sizes. During adjustment, the telescopic column 62 is moved, and the slot 621 on the telescopic column 62 will approach the locking block 632 inside the snap-fit ​​box 63. When they overlap, the locking block 632 will be pushed into the slot 621 by the telescopic spring 633, thereby achieving snap-fit.

[0060] like Figures 11-12 As shown, a connecting post 634 is fixedly connected to the side wall of the skateboard 631. The connecting post 634 passes through the snap-fit ​​box 63, and a handle 635 is fixedly connected to the end of the connecting post 634 away from the snap-fit ​​box 63.

[0061] When working, if adjustment is needed, pull the handle 635 on the card box 63. When pulled, the handle 635 drives the slide plate 631 to rise through the connecting column 634, thereby pulling the card block 632 out of the card slot 621. Then, move the telescopic column 62.

[0062] like Figures 11-12 As shown, the lifting box 61 is provided in two sets, which are respectively set on both sides of the hook 68.

[0063] During operation, the two sets of lifting boxes 61 clamp the two ends of the stainless steel roof panel 83, making it easy to move.

[0064] Please see Figures 1-15 As shown, this application provides a layered corrugated metal roof, including a main steel structure 10 and main purlins 101, as well as a steel base plate 810 and a stainless steel roof panel 83. The steel base plate 810 is fixed to the side wall of the main purlins 101 by supporting angle steel. A support 102 is fixedly connected to the main purlins 101, and secondary purlins 87 are fixedly connected to the support 102. An air-tight membrane and sound-absorbing cotton 89 are laid on the steel base plate 810. Thermal insulation rock wool 88 is laid on the sound-absorbing cotton 89. A galvanized steel plate 86 is laid on the thermal insulation rock wool 88. A waterproof membrane 85 is laid on the galvanized steel plate 86. A bracket and noise-reducing cotton 84 are installed on the waterproof membrane 85. The stainless steel roof panel 83 is installed on the bracket, and aluminum single panels 81 are installed on the stainless steel roof panel 83.

[0065] During operation, multiple sets of main purlins 101 are installed. First, supporting angle steel is fixedly installed on the side wall of the main purlins 101. Then, a steel base plate 810 is laid flat on the supporting angle steel and fixed. Simultaneously, supports 102 are installed on the main purlins 101 to fix the secondary purlins 87. Then, an air-tight membrane and sound-absorbing cotton 89 are laid on top. Finally, thermal insulation rock wool 88 is laid on top of the sound-absorbing cotton 89 to form the insulation layer structure 8. The non-insulation layer does not have thermal insulation rock wool 88, sound-absorbing cotton 89, or an air-tight membrane. The metal roof structure is then installed sequentially to form a wavy metal roof. In this project, all purlins are connected to the purlin brackets using 871 bolts. After the purlins are lifted and positioned, the bolts are inserted. Before tightening the bolts, it should be checked whether the top surface of the purlin being installed is flush with the top surface of the adjacent purlins that have already been installed. The bolts can only be tightened when the height difference between the top surfaces of the adjacent purlins is within 2mm. Only when the top surfaces of the adjacent purlins are flush can the smooth transition of the installed roof surface be guaranteed. Since the purlins are galvanized components, the galvanized layer is damaged during welding. After welding, the weld and its surrounding area should be treated with anti-corrosion. Before anti-corrosion, the slag and dirt on the surface of the weld should be cleaned. The anti-corrosion material should be rust-proof paint or zinc-rich paint.

[0066] like Figure 8 As shown, it also includes a skylight 5, and a fixed keel is installed on the main steel structure 10. The skylight 5 is installed in the middle of the metal roof through the fixed keel.

[0067] During operation, first fix the keel legs on the main steel structure 10, then fix the keel frame, then fix the load-bearing keel on the frame keel, then fix the remaining supporting keel, and finally install the skylight 5.

[0068] like Figure 4 As shown, the stainless steel gutter system 11 includes a stainless steel gutter body 1 and a stainless steel water collection well 2, with the stainless steel water collection well 2 located at the lowest point of the metal roof.

[0069] During the work, the roof purlins are installed at the same time as the gutter brackets are installed, followed by the gutter edge trim, then the sealing steel plate, then rock wool and sound-absorbing cotton 89 are laid on the sealing steel plate, and finally the stainless steel gutter is installed. The main body of the stainless steel gutter 1 is a metal roof drainage system, which uses matte stainless steel drainage gutter. It uses a siphon drainage system and its own curved surface shape to drain rainwater to the outside, totaling about 2600㎡, and 15 water collection wells are set at the lowest point of the roof.

[0070] Secondary purlin 87 is a Q235 steel tube, 80*80*5 hot-dip galvanized; steel base plate 810 is a 0.8mm thick profiled perforated base plate, model YX75-200-600, with a 0.5mm thick polypropylene air barrier; sound-absorbing cotton 89 is a 30mm thick glass fiber sound-absorbing cotton; thermal insulation rock wool 88 is 60mm thick; galvanized steel plate 86 is a 2mm thick aluminized galvanized steel plate; waterproof membrane 85 is a 2mm thick self-adhesive polymer modified bitumen waterproof membrane; noise-reducing cotton 84 is 5mm thick; stainless steel roof panel 83 is a 0.5mm thick 25 / 400 type ultra-pure ferritic stainless steel plate, with a rib height of 25mm and an effective coverage width of 400mm; aluminum single panel 81 is a 3mm thick fluorocarbon aluminum material; stainless steel gutter body 1 is a 3mm thick 316 material with a width of 1000mm.

[0071] Before use, check that the model number is consistent.

[0072] Working principle of this invention: When installing the 810 steel base plate, attention should be paid to the flatness of the base. The mid-span deflection should not exceed 1 / 200. The transverse sections should overlap by one crest. If there are large gaps due to poor contact, self-tapping screws should be used for fastening to ensure reliable anchoring. The installation should be flat, with tight joints and a clean surface. The first plate should be installed according to the pre-measured control lines. During plate installation, the straightness of both ends and the middle of the plate, as well as the parallelism of the entire plate, should be checked regularly to prevent movement. Before installation, the fixing positions of the self-tapping screws should be marked on the plate according to the purlin spacing to prevent inconsistent spacing or failure to fix the screws to the purlins. During installation, the longitudinal and transverse overlap lengths and joint conditions should be checked regularly, and adjustments made promptly. The main purlins 101 of the steel structure were installed using a tower crane. After installation, the metal roof was divided into four areas for sequential construction according to the construction method. First, the secondary purlins 87 and purlin brackets 871 were installed in area one. Second, the stainless steel roof panels 83 in area one were installed. Then, the secondary purlins 87 were installed in area two. Third, the decorative aluminum panels in area one were completed, the stainless steel roof was installed in area two, and the secondary purlins 87 were installed in area three. Fourth, the decorative aluminum panels in area two were completed, the stainless steel roof was installed in area three, and the secondary purlins 87 were installed in area four. At the same time as the installation in each area, the sound-absorbing cotton 89 and galvanized steel plate 86 were also installed. The secondary purlins 87 were arranged according to a specific wavy curve.

[0073] Among them, the continuous undulating metal roof can form an integrated structural system with good stability and load-bearing capacity. Its unique shape can disperse and bear external forces such as wind load and snow load, improving the roof's resistance to wind uplift and snow pressure, and enhancing the building's safety. The wavy geometry, through the arch effect, transforms external loads (wind pressure, etc.) into a uniform stress distribution along the longitudinal direction, reducing local stress concentration and improving overall rigidity and stability. Using high-performance alloy materials (anodized aluminum alloy profiles) and anti-corrosion coatings, it can withstand temperature differences from -40℃ to 120℃, adapting to thermal expansion and contraction under extreme climates and avoiding cracking or deformation. Due to its rational structure and material durability, the continuous... The undulating metal roof is less prone to leakage and corrosion during use, reducing later maintenance costs. At the same time, its smooth surface is easy to clean and maintain, reducing the workload and cost of daily maintenance. The metal roofing material itself has a certain thermal insulation property, and the continuous undulating design can form an air layer between the roof and the outside, which plays a role in thermal insulation. This air layer can reduce heat transfer, reduce temperature fluctuations inside the building, improve indoor comfort, and reduce energy consumption for air conditioning and heating. The metal roofing material is recyclable and reusable, which meets the requirements of sustainable development. During production, installation and use, it does not generate a large amount of construction waste and pollutants, and has a small impact on the environment.

[0074] Meanwhile, when it is necessary to hoist the stainless steel roof panel 83, first determine the width of the stainless steel roof panel 83, then adjust the telescopic column 62 in the sliding chamber 612 so that the distance between the clamping plate 1 65 and the clamping plate 2 66 on both sides is adapted to the stainless steel roof panel 83. Then, place the stainless steel roof panel 83 between the clamping plate 1 65 and the clamping plate 2 66, with the stainless steel roof panel 83 and the clamping plate 2 66 in contact. After placement, lift the hook 68. During the upward movement, the hook 68 will pull the connecting rope 613 through the hoisting rope 67. When the connecting rope 613 is pulled, it will pull the two sets of sliding chambers 612 and the telescopic column 62. The retractable column 62 is pulled toward the middle of the hoisting box 61. When pulled, it will drive the pull rod 64 to move. When the pull rod 64 is moved, it will move toward the hoisting box 61. During the movement, it will drive the clamping plate 65 to move through the connecting rod 641. The clamping plate 66 will not move due to the placement of the stainless steel roof panel 83. When the clamping plate 65 moves, it will approach the clamping plate 66, thus fitting against the stainless steel roof panel 83 and clamping the stainless steel roof panel 83. The greater the pulling force, the greater the clamping force, which facilitates the hoisting of the stainless steel roof panel 83. Furthermore, the hoisting box 61 can accommodate stainless steel roof panels 83 of different sizes.

[0075] The process flow of this invention:

[0076] Install the fixed support: Conceal the support 102 to the base layer;

[0077] Laying the roof panels: Insert the vertical ribs of the panels into the slots of the support 102;

[0078] Perform continuous welding: Weld at the longitudinal lap joints (or other designated locations) of the plates to achieve the first complete seal;

[0079] Implement 360-degree engagement: The tool rotates and engages the adjacent plate ribs that have been locked into the support 102 in a 360-degree manner, locking and covering the support 102 to form a second strong mechanical defense line.

[0080] This invention is particularly suitable for public buildings with extremely high requirements for waterproofing, wind resistance, durability and aesthetics, such as transportation hubs (airports, high-speed rail stations), stadiums, cultural landmarks, high-end industrial plants, etc.

[0081] The foregoing has provided a detailed description of one embodiment of the present invention, but this description is merely a preferred embodiment and should not be construed as limiting the scope of the invention. All equivalent variations and modifications made within the scope of the claims of this invention should still fall within the patent coverage of this invention.

Claims

1. A method for constructing a layered, corrugated metal roof, characterized in that, Includes the following steps: S1. First, hoist the main steel structure (10) and main purlins (101). Then, install the steel base plate (810) on the side wall of the main purlins (101) so that the steel base plate (810) is laid flat on the main steel structure (10). After the installation is completed, install the purlin brackets (871) and secondary purlins (87). Then, lay the air-barrier membrane and sound-absorbing cotton (89) on the steel base plate (810). After the laying is completed, lay the thermal insulation rock wool (88) on the sound-absorbing cotton (89) and secondary purlins (87). Then, lay the galvanized steel on the thermal insulation rock wool (88). A galvanized steel plate (86) is laid with a waterproof membrane (85). A bracket is installed on the waterproof membrane (85). Noise-reducing cotton (84) is laid on the bracket and the waterproof membrane (85). A stainless steel roof panel (83) is installed on the noise-reducing cotton (84). The stainless steel roof panel (83) is transported using a hoisting mechanism (6). A clamp (831) is installed on the stainless steel roof panel (83) for installing aluminum alloy keel (82). Finally, an aluminum single panel (81) is installed on the aluminum alloy keel (82). S2, Install a stainless steel gutter system (11) at the same time as installing the roof purlins. S3, when installing the steel base plate (810) in S2, attention should be paid to the flatness of the base plate, and at the same time, the horizontal sections should overlap with each other to form a wave peak for the later installation of the stainless steel roof panel (83). S4, When installing stainless steel roof panels (83), continuous welding is used followed by a 360-degree interlocking system, and the surface is designed as a concealed installation without perforations or punctures. When installing the stainless steel roof panel (83), lightning protection contacts (12) need to be installed on the stainless steel roof panel (83). Meanwhile, metal roofs are divided into thermal insulation layer structures (8) and non-thermal insulation structures (9). The hoisting mechanism (6) includes a hoisting box (61), a hook (68), a hoisting rope (67), a clamping plate one (65), and a clamping plate two (66); a pulley (611) is rotatably connected inside the hoisting box (61); two sets of pulleys (611) are provided; sliding chambers (612) are slidably connected to both sides of the hoisting box (61); a telescopic column (62) is slidably connected inside the sliding chamber (612); a pull rod (64) is fixedly connected to one end of the telescopic column (62) away from the sliding chamber (612); a connecting rod one (64) is rotatably connected to the side wall of the pull rod (64). 41) Connecting rod two (642); the ends of connecting rod one (641) and connecting rod two (642) away from the pull rod (64) are rotatably connected to clamping plate two (66); clamping plate one (65) is rotatably connected to connecting rod one (641); a connecting rope (613) is fixedly connected to the side wall of the sliding chamber (612); the hook (68) is connected to the hoisting rope (67); the end of the hoisting rope (67) away from the hook (68) is connected to the connecting rope (613); the connecting rope (613) is set below the pulley (611) and abuts against the pulley (611).

2. The method for constructing a layered corrugated metal roof according to claim 1, characterized in that, A snap-fit ​​box (63) is fixedly connected to the top of the sliding chamber (612); a slide plate (631) is slidably connected inside the snap-fit ​​box (63); a snap-fit ​​block (632) is fixedly connected to the side wall of the slide plate (631); a telescopic spring (633) is fixedly connected to the end of the slide plate (631) away from the snap-fit ​​block (632); the end of the telescopic spring (633) away from the slide plate (631) is fixedly connected to the snap-fit ​​box (63); the snap-fit ​​block (632) is set through the sliding chamber (612) and the telescopic column (62); a slot (621) is opened on the telescopic column (62); the snap-fit ​​block (632) is snapped into the slot (621); three sets of slots (621) are provided.

3. The method for constructing a layered corrugated metal roof according to claim 2, characterized in that, The side wall of the skateboard (631) is fixedly connected to a connecting post (634); the connecting post (634) is disposed through the snap-fit ​​box (63); a handle (635) is fixedly connected to the end of the connecting post (634) away from the snap-fit ​​box (63).

4. The method for constructing a layered corrugated metal roof according to claim 3, characterized in that, The lifting box (61) is provided in two sets, which are respectively located on both sides of the hook (68).

5. A layered, wave-like metal roof, constructed using the method described in any one of claims 1 to 4, comprising a main steel structure (10) and main purlins (101), characterized in that, It also includes a steel base plate (810) and a stainless steel roof panel (83); the steel base plate (810) is fixed to the side wall of the main purlin (101) by supporting angle steel; a support (102) is fixedly connected to the main purlin (101); a secondary purlin (87) is fixedly connected to the support (102); an air-tight membrane and sound-absorbing cotton (89) are laid on the steel base plate (810); thermal insulation rock wool (88) is laid on the sound-absorbing cotton (89); galvanized steel plate (86) is laid on the thermal insulation rock wool (88); waterproof membrane (85) is laid on the galvanized steel plate (86); a bracket and noise-reducing cotton (84) are installed on the waterproof membrane (85); the stainless steel roof panel (83) is installed on the bracket; aluminum single panel (81) is installed on the stainless steel roof panel (83).

6. A layered corrugated metal roof according to claim 5, characterized in that, It also includes a skylight (5); a fixed keel is installed on the main steel structure (10); the skylight (5) is installed in the middle of the metal roof via the fixed keel.

7. A layered, corrugated metal roof according to claim 6, characterized in that, An aluminum alloy grille (7) is fixedly connected to the main steel structure (10); multiple sets of the aluminum alloy grille (7) are provided.

8. A layered, wavy metal roof according to claim 7, characterized in that, The stainless steel gutter system (11) includes a stainless steel gutter body (1) and a stainless steel water collection well (2); the stainless steel water collection well (2) is located at the lowest point of the metal roof.

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