阅读说明：本技术 装配式建筑 (Fabricated building ) 是由 林雄强 于 2019-10-18 设计创作，主要内容包括：本发明涉及一种装配式建筑,包括外框结构和位于外框结构内的内框结构,内框结构包括两个相对设置的内拉弯门框、间隔布置于两个内拉弯门框之间的多根内主梁、及连接于两个内拉弯门框之间的多根辅梁,内主梁和辅梁配合形成第一穹形屋面,第一穹形屋面的顶部设有屋顶斜面骨架,外框结构包括两个相对设置的外拉弯门框、及连接于两个外拉弯门框之间并呈穹形的拉弯主梁,拉弯主梁的两端分别与两个外拉弯门框可拆卸连接,外拉弯门框从门框脚到门框头之间连接有多根间隔布置的拉弯主梁,两个外拉弯门框之间布置有多根与外拉弯门框平行布置并呈穹形的支撑梁,拉弯主梁和支撑梁配合形成第二穹形屋面,第二穹形屋面外罩于第一穹形屋面上。(The invention relates to an assembly type building, which comprises an outer frame structure and an inner frame structure positioned in the outer frame structure, wherein the inner frame structure comprises two oppositely arranged inner bending door frames, a plurality of inner main beams arranged between the two inner bending door frames at intervals and a plurality of auxiliary beams connected between the two inner bending door frames, the inner main beams and the auxiliary beams are matched to form a first arched roof, the top of the first arched roof is provided with a roof slope framework, the outer frame structure comprises two oppositely arranged outer bending door frames and a arched bending main beam connected between the two outer bending door frames, two ends of each bending main beam are respectively detachably connected with the two outer bending door frames, the outer bending door frames are connected with the plurality of bending main beams arranged at intervals from door frame feet to door frame heads, a plurality of arched supporting beams arranged in parallel with the outer bending door frames are arranged between the two outer bending door frames, and the bending main beams are matched to form a second arched roof, the second dome-shaped roof cover covers the first dome-shaped roof.)

1. The assembled building is characterized by comprising an outer frame structure and an inner frame structure positioned in the outer frame structure, wherein the inner frame structure comprises two oppositely arranged inner bending door frames, a plurality of inner main beams which are parallelly arranged between the two inner bending door frames at intervals and are in a dome shape, and a plurality of auxiliary beams connected between the two inner bending door frames, each auxiliary beam is detachably connected with all the inner main beams and is vertically arranged with each inner main beam, the inner main beams and the auxiliary beams are matched to form a first dome-shaped roof, a roof slope framework is arranged at the top of the first dome-shaped roof, the outer frame structure comprises two oppositely arranged outer bending door frames and a bending main beam which is connected between the two outer bending door frames and is in a dome shape, and two ends of each bending main beam are detachably connected with the two outer bending door frames respectively, the outer door frame that bends is connected with many interval arrangements from the door frame foot to the door frame head the girder that bends, two it has many to arrange between the outer door frame that bends with outer door frame parallel arrangement and be a supporting beam of domatic, two be provided with one respectively directly over the door frame that bends a supporting beam, a supporting beam with correspond the connection can be dismantled to the interior door frame that bends, every a supporting beam all with all the girder that bends can dismantle the connection and with every the girder that bends is arranged perpendicularly, the girder that bends with a supporting beam cooperation forms second domatic roofing, second domatic roofing dome dustcoat is in whole first domatic roofing.

2. The fabricated building according to claim 1, wherein the roof-slope framework is provided with a main rib which is positioned above the first dome-shaped roof and is arranged perpendicular to the inner main beam, and a support rod which is connected between the main rib and the inner main beam, wherein two sides of the main rib are provided with a plurality of oblique beams which are arranged at intervals along the length direction of the main rib, one end of each oblique beam is connected with the main rib, and the other end of each oblique beam inclines to one side of the inner main beam.

3. The fabricated building according to claim 2, wherein the oblique beams at each side of the inner main beam are in one-to-one correspondence with the inner main beams, and one ends of the oblique beams, which are inclined to one side of the inner main beam, are connected to the corresponding inner main beams.

4. The prefabricated building of claim 3, wherein one end of the oblique beam connected with the inner main beam is provided with a dome-shaped connecting surface matched with the inner main beam in shape, and the dome-shaped connecting surface is attached to the upper surface of the corresponding inner main beam.

5. The fabricated building according to any one of claims 1 to 4, wherein an inner wall plate is installed between the inner bending door frame and the corresponding support beam in a clearance manner, the inner frame structure further comprises a drainage beam with a drainage groove in the outer wall, and a first heat-preservation and waterproof layer which is located above the first dome-shaped roof and covers the first dome-shaped roof and the roof slope framework, the first heat-preservation and waterproof layer is connected between the two inner wall plates, the drainage groove is arranged right below the connection position of the first heat-preservation and waterproof layer and the two inner wall plates, the drainage groove penetrates through the whole outer wall of the drainage beam, and the two ends of the drainage beam extend to the ground.

6. The assembly building of claim 5, wherein the external frame structure further comprises a second insulating and waterproof layer covering the second dome-shaped roof.

7. The assembly type building of claim 6, wherein the first heat-preservation and waterproof layer comprises an aluminum plate, glass wool, an extruded sheet, a bubble aluminum foil and an aluminum plate which are sequentially stacked, and the second heat-preservation and waterproof layer comprises an aluminum plate, a hair grass and an aluminum alloy woven strip which are sequentially stacked.

8. A fabricated building according to any one of claims 1 to 4, wherein the tops of the secondary beams are each provided with a bayonet to mate with the inner primary beam.

9. The assembly type building of claim 8, wherein the inner main beam and the auxiliary beam are detachably connected through a first locking device, the first locking device comprises a connecting piece and a screw rod, the connecting position of the inner main beam and the auxiliary beam is provided with at least one connecting piece correspondingly, the connecting piece comprises a first connecting plate and a second connecting plate which are fixed with each other and are arranged in an inclined manner, the inclined angle between the first connecting plate and the second connecting plate is matched with the inclined angle formed by matching the joint position of the corresponding inner main beam and the auxiliary beam, the first connecting plate and the second connecting plate are both provided with connecting holes, the inner main beam and the auxiliary beam are both provided with through holes matched with the connecting holes, the inner main beam is connected with the auxiliary beam through the screw rod in a matched mode, and the through hole is connected with the connecting hole in a matched mode.

10. The assembly type building of claim 9, wherein the connection position of the inner main beam and the auxiliary beam corresponds to four connecting pieces arranged in a cross shape.

Technical Field

The invention relates to the field of buildings, in particular to an assembly type building.

Background

Aluminum type assembly building is with its simple easy dress, and the structure is light and intensity is high, and the various just sense of touch of molding is more comfortable than other metal building, and extensively be accepted by masses, and more durable than assembly building such as traditional wooden house, has superior physical properties such as fine fire prevention, dampproofing, wear-resisting, protection against insects. At present, most of special-shaped houses such as octagonal roofs and the like contacted by people are of concrete inverted molds or wood structures, the concrete installation mode is troublesome, the efficiency is low, the dust is large, the disassembly is not easy, the material is not beneficial to recycling, and the building shape effect of a natural curve is difficult to achieve.

Disclosure of Invention

The invention aims to provide an assembly type building which is convenient to install, improves the assembly speed, is beneficial to the repeated use of materials and achieves the building shape effect of a natural curve.

In order to realize the purpose of the invention, the technical scheme is as follows:

an assembly type building comprises an outer frame structure and an inner frame structure positioned in the outer frame structure, wherein the inner frame structure comprises two oppositely arranged inner bending door frames, a plurality of inner main beams which are parallelly arranged between the two inner bending door frames at intervals and are in a dome shape, and a plurality of auxiliary beams connected between the two inner bending door frames, each auxiliary beam is detachably connected with all the inner main beams and is vertically arranged with each inner main beam, the inner main beams and the auxiliary beams are matched to form a first dome-shaped roof, the top of the first dome-shaped roof is provided with a roof slope framework, the outer frame structure comprises two oppositely arranged outer bending door frames and a dome-shaped bending main beam connected between the two outer bending door frames, two ends of each bending main beam are detachably connected with the two outer bending door frames respectively, the outer bending door frames are connected with the plurality of bending main beams which are arranged at intervals from door frame feet to door frame heads, a plurality of supporting beams which are parallelly arranged with the outer bending door frames and are in a dome shape are arranged between the two outer bending door frames, and supporting beams are respectively arranged right above the two inner bending door frames, the supporting beams are detachably connected with the corresponding inner bending door frames, each supporting beam is detachably connected with all the bending main beams and is vertically arranged with each bending main beam, the bending main beams and the supporting beams are matched to form a second arched roof, and the second arched roof is covered on the whole first arched roof.

When the inner frame structure is installed, after the two inward bending door frames are positioned, the pre-customized inner main beam and the pre-customized auxiliary beam are detachably connected to different positions between the two inward bending door frames, so that the integral inner frame roof is in a dome shape; when the outer frame structure is installed, after two outer stretch-bending door frames are positioned, pre-customized stretch-bending main beams are installed at different positions between the two outer stretch-bending door frames, wherein the two stretch-bending main beams are respectively installed at two door frame foot positions of the outer stretch-bending door frames and are close to the ground, other stretch-bending main beams are sequentially arranged to the top positions of the door frames along the frame body of the outer stretch-bending door frames at intervals, the outer stretch-bending door frames are fixedly connected with the outer stretch-bending door frames in a detachable mode, and the outer frame structure is enabled to be in a vault shape from the ground position to the whole roof position. This assembly type structure overall structure reaches natural curve's building form effect, makes the appearance more pleasing to the eye, also satisfies the assembly type structure that special-shaped roof span is big, prevents the deformation of interior girder and guarantees the relative position between the interior girder through setting up the auxiliary beam, prevents the deformation of the girder of bending and guarantees the relative position between the girder of bending through setting up a supporting beam, strengthens overall structure's intensity, also makes overall structure more adapt to the very big assembly type structure of special-shaped roof span. And the whole installation process is simple to operate, the installation speed is high, the beam body can be detached and adjusted again even if the structure is changed, the original beam body cannot be scrapped, the beam body is flexible and changeable, the repeated use of the beam body is facilitated, and the production cost is reduced.

The technical scheme is further explained as follows:

further, the roof slope framework is provided with a main rib and a support rod, the main rib is located above the first dome-shaped roof and is perpendicular to the inner main beam, the support rod is connected between the main rib and the inner main beam, a plurality of oblique beams are arranged on two sides of the main rib at intervals along the length direction of the main rib, one end of each oblique beam is connected with the main rib, and the other end of each oblique beam inclines towards one side of the inner main beam.

Furthermore, the oblique beams on each side of the inner main beam correspond to the inner main beams one to one, and one end of each oblique beam, which inclines to one side of each inner main beam, is connected with the corresponding inner main beam. The installation of the roof slope framework is more convenient and stable.

Furthermore, one end of the inclined beam connected with the inner main beam is provided with a dome-shaped connecting surface matched with the shape of the inner main beam, and the dome-shaped connecting surface is attached to the upper surface of the corresponding inner main beam. The connection of the oblique beam and the inner main beam is more attached, and the whole body is more attractive.

Further, wallboard in the clearance mounting between interior stretch-bending door frame and the supporting beam that corresponds, inside casing structure still includes that the outer wall is equipped with the drainage beam of water drainage tank, and is located first vault roofing top and covers the first heat preservation waterproof layer of first vault roofing and roof slope skeleton, first heat preservation waterproof layer is connected between two interior wallboards, all be equipped with water drainage tank under the hookup location of first heat preservation waterproof layer and two interior wallboards, water drainage tank runs through the whole outer wall of drainage beam, the drainage beam both ends extend to ground. Rainwater is enabled to drip on the drainage groove through the connecting position of the first heat-preservation waterproof layer and the inner wall plate and is arranged to the ground side by side, and the drainage effect of the inner frame structure is further enhanced; and through set up first heat preservation waterproof layer in the frame structure, improve the effect that the prefabricated building keeps warm and insulates against heat, waterproof and fall the noise.

Further, the outer frame structure also comprises a second heat-insulating waterproof layer covering the second dome-shaped roof. Through set up second heat preservation waterproof layer at the frame structural, it is waterproof to reach the bilayer, and double-deck heat preservation is thermal-insulated, and the effect of making an uproar falls in double-deck sound insulation, further improves the effect that assembled building keeps warm thermal-insulated, waterproof and fall the noise.

Further, the first heat-preservation waterproof layer comprises an aluminum plate, glass wool, an extruded sheet, a bubble aluminum foil and an aluminum plate which are sequentially stacked, and the second heat-preservation waterproof layer comprises an aluminum plate, a hair grass and an aluminum alloy woven strip which are sequentially stacked.

Furthermore, bayonets matched with the inner main beam are arranged at the tops of the auxiliary beams. The auxiliary beam and the inner main beam are convenient to install and position, the installation efficiency is improved, and the auxiliary beam and the inner main beam are more stably connected.

Further, can dismantle through first locking device and be connected between interior girder and the auxiliary girder, first locking device includes connecting piece and screw rod, the hookup location correspondence of interior girder and auxiliary girder has at least one connecting piece, the connecting piece includes first connecting plate and the second connecting plate that reciprocal anchorage and be the slope setting, inclination between first connecting plate and the second connecting plate and the cooperation of the interior girder that corresponds and auxiliary girder hookup location department cooperation formation's inclination cooperation, all be equipped with the connecting hole on first connecting plate and the second connecting plate, interior girder and auxiliary girder all be equipped with and correspond connecting hole complex through-hole, pass through the screw rod between interior girder and the auxiliary girder, through-hole and connecting hole cooperation are connected. During the installation, pass through the through-hole with the screw rod in proper order, both ends are fixed through the nut behind the connecting hole, make interior girder fix on the auxiliary girder, realize dismantling through this first locking device between interior girder and the auxiliary girder and be connected, and easy operation, the installation rate is fast, and through this kind of screw rod connected mode, makes the connection more stable, is difficult for droing under frequent dynamic load, makes overall structure more firm.

Furthermore, four connecting pieces which are arranged in a cross shape are correspondingly arranged at the connecting positions of the inner main beam and the auxiliary beam. The connection between the inner main beam and the inner stretch bending door frame and between the inner main beam and the auxiliary beam is more stable.

Compared with the prior art, the invention has the following beneficial effects:

the whole structure of the fabricated building reaches the effect of a natural curve building form, the appearance is more attractive, the fabricated building with a large span of a special-shaped roof is also met, the auxiliary beams are arranged to prevent the deformation of the inner main beams and ensure the relative positions of the inner main beams, the supporting beams are arranged to prevent the deformation of the bending main beams and ensure the relative positions of the bending main beams, the strength of the whole structure is enhanced, and the whole structure is more suitable for the fabricated building with a large span of the special-shaped roof. And the whole installation process is simple to operate, the installation speed is high, the beam body can be detached and adjusted again even if the structure is changed, the original beam body cannot be scrapped, the beam body is flexible and changeable, the repeated use of the beam body is facilitated, and the production cost is reduced.

Drawings

FIG. 1 is a schematic structural view of a prefabricated building according to an embodiment of the present invention;

FIG. 2 is a schematic, disassembled view of a fabricated building according to an embodiment of the present invention;

FIG. 3 is a schematic structural diagram of an inner frame structure according to an embodiment of the present invention;

FIG. 4 is a schematic diagram of the inner frame structure according to the embodiment of the present invention

FIG. 5 is an enlarged view of FIG. 4 at A;

FIG. 6 is a schematic structural view of a connection position of an auxiliary beam and an inward bending doorframe according to an embodiment of the present invention;

FIG. 7 is a schematic structural diagram of a connection position of a main beam and an auxiliary beam in the embodiment of the invention;

FIG. 8 is a schematic structural diagram of an outer frame structure according to an embodiment of the present invention;

FIG. 9 is a schematic diagram illustrating the splitting of an outer frame structure according to an embodiment of the present invention;

FIG. 10 is a schematic structural view of the connection position of the stretch bending main beam and the outer stretch bending door frame according to the embodiment of the invention;

FIG. 11 is a schematic structural diagram of a connection position of a bending main beam and a support beam according to an embodiment of the present invention.

Description of reference numerals:

10. the inner frame structure comprises an inner frame structure, 110, an inner tension bent door frame, 120, an inner main beam, 130, an auxiliary beam, 140, a first locking device, 141, a connecting piece, 142, a first connecting plate, 143, a second connecting plate, 144, a connecting hole, 145, a screw rod, 150, a through hole, 160, a roof slope framework, 161, a main bone, 162, a supporting rod, 163, an inclined beam, 164, a dome-shaped connecting surface, 170, a trimming bent beam, 180, a drainage beam, 181, a drainage groove, 20, an outer frame structure, 210, an outer tension bent door frame, 211, a left door frame, 212, a right door frame, 213, a door beam, 214, a clamping groove, 215, a door frame foot, 220, a tension bent main beam, 230, a support beam, 240, a second locking device, 241, a connecting piece, 242, a first connecting plate, 243, a second connecting plate, 244, a connecting hole, 245, a screw rod, 250, a through hole, 30, an inner wall board, 40, a first heat-.

Detailed Description

Embodiments of the present invention are described in detail below with reference to the accompanying drawings:

as shown in fig. 1 and 2, a fabricated building includes an outer frame structure 20 and an inner frame structure 10 located within the outer frame structure.

As shown in fig. 3 and 4, the inner frame structure 10 includes two oppositely disposed inward bending door frames 110, a plurality of inner main beams 120 arranged between the two inward bending door frames 110 at intervals in a dome shape, and a plurality of auxiliary beams 130 connected between the two inward bending door frames 110, each auxiliary beam 130 is detachably connected to all the inner main beams 120 and is arranged perpendicular to each inner main beam 120, the inner main beams 120 and the auxiliary beams 130 cooperate to form a first dome-shaped roof, and a roof slope framework 160 is disposed on the top of the first dome-shaped roof.

When the assembly type roof is installed, after the two inward bending door frames 110 are positioned, the pre-customized inner main beams 120 and auxiliary beams 130 are detachably connected at different positions between the two inward bending door frames 110, so that the integral roof is in a dome shape, the building shape effect of a natural curve is achieved, the appearance is more attractive, the assembly type building with a large span of a special-shaped roof is also met, the auxiliary beams 130 are arranged to prevent the deformation of the inner main beams 120 and ensure the relative positions of the inner main beams 120, the integral strength of the inner frame structure is enhanced, and the inner frame structure is more suitable for the assembly type building with a large span of the special-shaped roof; in order to facilitate the installation and positioning of the auxiliary beam 130 and the inner main beam 120, bayonets (not shown in the drawings) matched with the inner main beam 120 are arranged at the top of the auxiliary beam 130, so that the installation efficiency is further improved, and the connection between the auxiliary beam 130 and the inner main beam 120 is more stable. And the roof slope framework 160 is arranged at the top of the first dome-shaped roof, so that the drainage effect of the inner frame structure is better. Whole installation easy operation, the installation rate is fast, even structural change also can dismantle the regulation again and can not make original roof beam body scrap, and is nimble changeable, also does benefit to the used repeatedly of roof beam body, reduction in production cost.

In the present embodiment, as shown in fig. 3 and 4, the inward bending doorframe 110 is also dome-shaped, the inner main beams 120 are similar to the inward bending doorframe 110 in shape and are arranged in parallel with each other, the inner main beams 120 are arranged at equal intervals, and the auxiliary beams 130 are also arranged at equal intervals, so that the whole structure is more balanced and stable.

As shown in fig. 3 and 4, the roof-slope framework 160 is provided with a main rib 161 which is positioned above the first dome-shaped roof and is arranged perpendicular to the inner main beam 120, and a support bar 162 which is connected between the main rib 161 and the inner main beam 120, wherein both sides of the main rib 161 are provided with a plurality of oblique ribs 163 which are arranged at intervals along the length direction thereof, one end of each oblique rib 163 is connected with the main rib 161, and the other end thereof is inclined toward one side of the inner main beam 120. Wherein one end of the oblique beam 163 located at both ends of the main rib 161 is connected with the main rib 161, the other end is connected with the inner tension bending doorframe 110, one end of the oblique beam 163 located at the middle part of the main rib 161 is connected with the main rib 161, and the other end is connected with the inner main beam 120, so that the installation of the roof slope framework 160 is more convenient and stable. The inclined beams 163 positioned in the middle of the main rib 161 may correspond to the inner main beams 120 one by one, or the number of the inclined beams 163 positioned in the middle of the main rib 161 may be set to be less than that of the inner main beams 120 according to the actual requirement, so that each inclined beam 163 may be connected to the inner main beam 120 or the inner stretch-bending door frame 110. To further facilitate installation, each angled beam 163 is positioned directly above the corresponding inner main beam 120 or inner stretch-bent door frame 110.

As shown in fig. 3 and 4, a dome-shaped connecting surface 164 is disposed at one end of the inclined beam 163 connected to the inner main beam 120, and the dome-shaped connecting surface 164 is in shape fit with the inner main beam 120 or the inner stretch-bending doorframe 110, and the dome-shaped connecting surface 164 is attached to the upper surface of the corresponding inner main beam 120, so that the inclined beam 163 is more attached to the inner main beam 120, and the whole structure is more beautiful.

As shown in fig. 3 and 4, the inner frame structure 10 further includes a curved edge beam 170 corresponding to the inward-bending door frame 110, the curved edge beam 170 is disposed right above the inward-bending door frame 110, the top of the curved edge beam 170 is fixedly attached to the oblique beam 163 located above the inward-bending door frame 110, the remaining portions of the curved edge beam 170 are fixedly attached to the inward-bending door frame 110, and the connection between the oblique beam 163 and the inward-bending door frame 110 is further stabilized by the curved edge beam 170.

As shown in fig. 3, 6 and 7, the inner main beam 120 and the inner curved doorframe 110, and the inner main beam 120 and the auxiliary beam 130 are detachably connected by a first locking device 140, the first locking device 140 includes a connecting member 141 and a screw 145, at least one connecting member 141 is respectively provided at a connecting position of the inner main beam 120 and the inner curved doorframe 110, and a connecting position of the inner main beam 120 and the auxiliary beam 130, the connecting member 141 includes a first connecting plate 142 and a second connecting plate 143 fixed to each other and disposed obliquely, an inclination angle between the first connecting plate 142 and the second connecting plate 143 and an inclination angle formed by the corresponding connection of the inner main beam 120 and the inner curved doorframe 110 or an inclination angle formed by the corresponding connection of the inner main beam 120 and the auxiliary beam 130 are adapted, the first connecting plate 142 and the second connecting plate 143 are respectively provided with a connecting hole 144, the inner main beam 120, the inner curved doorframe 110 and the auxiliary beam 130 are respectively provided with a through hole 150 engaged with the corresponding connecting hole 144, the screw rods 145 correspond to the through holes 150 in number one by one, and the inner main beam 120 and the inner stretch-bending doorframe 110 and the inner main beam 120 and the auxiliary beam 130 are respectively connected in a matched manner through the screw rods 145, the through holes 150 and the connecting holes 144 which correspond to each other. During the installation, pass through-hole 150 with screw rod 145 in proper order, both ends are fixed through the nut behind connecting hole 144, make interior girder 120 fixed including on stretch bending door frame 110 or auxiliary beam 130, between interior girder 120 and the interior stretch bending door frame 110, realize dismantling the connection through this first locking device 140 between interior girder 120 and the auxiliary beam 130, and easy operation, the installation rate is fast, and through this kind of screw rod 145 connected mode, make the connection more stable, be difficult for droing under frequent dynamic load, make overall structure more firm.

In this embodiment, the connection hole 144 is a circular hole, and the connection hole 144 may be further configured as a waist-shaped hole according to actual needs, so as to facilitate installation and alignment between the connection member 141, the inner main beam 120, and the inner stretch-bending doorframe 110 or between the connection member 141, the inner main beam 120, and the auxiliary beam 130, and improve installation efficiency.

As shown in fig. 6, two connecting members 141 respectively located at two sides of the inner main beam 120 are correspondingly arranged at the connecting position of the auxiliary beam 130 and the inner bending doorframe 110, the first connecting plate 142 of each connecting member 141 is attached to the side wall of the auxiliary beam 130, the second connecting plate 143 is attached to the inner bending doorframe 110, when the door frame is installed, one screw 145 sequentially penetrates through the connecting hole 144 of the first connecting plate 142 of one connecting member 141, the through hole 150 of the auxiliary beam 130 and the rear two ends of the connecting hole 144 of the first connecting plate 142 of the other connecting member 141 and is connected through a nut, the connecting holes 144 of the second connecting plate 143 of the two connecting members 141 are corresponding to the through hole 150 of the inner bending doorframe 110 and are also connected through the screw 145 through a nut, and by the connecting manner of the screw 145, the connection is more stable, the door frame is not easy to fall off under frequent dynamic loads, and the connection between the.

Referring to the installation process of the connecting members 141, the auxiliary beam 130 and the inward bending doorframe 110, as shown in fig. 7, four connecting members 141 arranged in a cross shape are correspondingly arranged at the connecting positions of the inner main beam 120 and the auxiliary beam 130, the first connecting plates 142 of the connecting members 141 are all attached to the side wall of the inner main beam 120, the second connecting plates 143 are attached to the side wall of the auxiliary beam 130, and the four connecting members 141 are oppositely arranged on the two sides of the inner main beam 120 and the two sides of the auxiliary beam 130 which are bent in a pulling manner, so that the connection between the inner main beam 120 and the auxiliary beam 130 is more stable.

Referring to the connection manner of the inner main beam 120 and the inner curved doorframe 110, and the inner main beam 120 and the auxiliary beam 130, the first locking device 140 may be detachably connected between the support rod 162 of the roof slope frame 160 and the inner main beam 120, between the oblique beam 163 and the inner curved doorframe 110, between the edge-closing curved beam 170 and the oblique beam 163, between the edge-closing curved beam 170 and the inner curved doorframe 110, and between the edge-closing curved beam 170 and the drainage beam 180.

In this embodiment, the inner stretch-bending doorframe 110, the inner main beam 120, and the auxiliary beam 130 are all integrally formed structures and made of aluminum alloy, so that the splicing among the structures is reduced, and the overall structural strength is also better; the use of aluminum alloy material, the texture is lighter in installation, and plasticity is stronger, makes overall structure's natural curve form effect better, and other materials can also be adopted according to actual need to interior stretch-bending door frame 110, interior girder 120, auxiliary beam 130. In addition, the connecting member 141 is made of stainless steel, so that the material is prevented from rusting, the service life of the connecting member 141 is prolonged, the stability of the building structure is ensured, and other anti-corrosion and anti-rust materials can be adopted for the connecting member 141 according to actual needs.

As shown in fig. 8 and 9, the outer frame structure 20 includes two outer bending door frames 210 arranged oppositely, and a arched bending main beam 220 connected between the two outer bending door frames 210, wherein two ends of the arched bending main beam 220 are detachably connected to the two outer bending door frames 210, a plurality of bending main beams 220 arranged at intervals are connected between the door frame feet 215 and the door frame heads of the outer bending door frames 210, all the bending main beams 220 cooperate to form a second arched roof, and the second arched roof covers the whole first arched roof.

During installation, after two outer stretch-bending door frames 210 are positioned, pre-customized stretch-bending main beams 220 are installed at different positions between the two outer stretch-bending door frames 210, wherein two stretch-bending main beams 220 are respectively installed at two door frame feet 215 of the outer stretch-bending door frames 210 and are close to the ground, other stretch-bending main beams 220 are sequentially arranged at intervals to the top of the door frames along the frame bodies of the outer stretch-bending door frames 210 and are fixedly connected with the outer stretch-bending door frames 210 in a detachable mode, so that the whole roof of the outer frame structure 20 from the ground to the roof is in a dome shape, a natural curve building shape effect is achieved, the appearance is more attractive, and the requirement of an assembly building with a large span of a special-shaped roof is met. Whole installation easy operation, the installation rate is fast, even structural change also can dismantle the regulation again and can not make original roof beam body scrap, and is nimble changeable, also does benefit to the used repeatedly of roof beam body, reduction in production cost.

As shown in fig. 8, the outward-bending door frame 210 includes a left door frame 211 and a right door frame 212 that are oppositely disposed, and a door beam 213 connected between the left door frame 211 and the right door frame 212, and the connection positions of the left door frame 211, the right door frame 212, and the door beam 213 are all smoothly transitioned, so that the natural shape effect of the outer frame structure 20 is better, and the appearance is more beautiful.

In this embodiment, as shown in fig. 8, the door beams 213 of the outer bending door frames 210 are horizontally disposed, 17 bending door beams 213 are equally spaced between the two outer bending door frames 210, wherein the left door frame 211 and the right door frame 212 are respectively connected with 3 bending main beams 220, 5 bending main beams 220 are connected to the door beams 213, 3 bending main beams 220 are respectively connected to the connection positions of the left door frame 211, the right door frame 212 and the door beams 213, wherein the curvature of the curve of the corresponding 12 bending door beams 213 on the connection positions of the left door frame 211, the left door frame 211 and the door beams 213, the curvature of the corresponding curve of the corresponding 12 bending door beams 213 on the connection positions of the right door frame 212, the right door frame 212 and the door beams 213 are the same and larger than the curvature of the corresponding 12 bending door beams 213, and therefore, the connection positions of the left door frame 211, the left door frame 211 and the door beams 213, the connection positions of the right door frame 212, the right door frame 212 and the door beams 213, the connection positions of the door beams 213, form a curved surface on the roof surface where the corresponding bending door beams 213 are matched with the curved surface The rate will be less than the curved surface that the roof that the corresponding stretch bending door beam 213 outside stretch bending door frame 210 cooperation formed on the door beam 213 is located, and the roof curved surface reaches mild effect, makes outer frame structure 20 appearance more special and more pleasing to the eye, and the natural form effect is better. The bending main beams 220 can be set to other quantities according to actual needs, and the curvatures corresponding to all the bending main beams 220 can be set to be the same according to actual needs, so that the whole roof is spherical.

As shown in fig. 8, the outward bending door frame 210 is provided with a clamping groove 214 matched with the bending main beam 220, and one end of the bending main beam 220 extends into the clamping groove 214 and is detachably connected with the bending main beam 220, so that the installation and positioning between the bending main beam 220 and the outward bending door frame 210 are facilitated, the installation efficiency is improved, and the connection between the bending main beam 220 and the outward bending door frame 210 is more stable. The clamping groove 214 penetrates through the connecting surface of the outward bending door frame 210 and the bending main beam 220, so that the position between the bending main beam 220 and the outward bending door frame 210 can be conveniently adjusted, and the outward bending door frame 210 can be reused.

As shown in fig. 8 and 9, a plurality of arched support beams 230 are spaced between the two outer bending door frames 210, and each support beam 230 is detachably connected to all the bending main beams 220 and is arranged perpendicular to each bending main beam 220. Through setting up supporting beam 230, prevent the deformation of the main girder 220 of bending and guarantee the relative position between the main girder 220 of bending, strengthen outer frame structure 20's bulk strength, also make outer frame structure 20 more adapt to the very big assembled building of special-shaped roof span. In order to facilitate the installation and positioning of the support beam 230 and the stretch-bending main beam 220, bayonets (not shown in the drawings) matched with the stretch-bending main beam 220 are arranged at the top of the support beam 230, so that the installation efficiency is further improved, and the connection between the support beam 230 and the stretch-bending main beam 220 is more stable.

In this embodiment, as shown in fig. 8 and 9, there are 5 support beams 230, two ends of each support beam 230 extend to the ground, 1 of the support beams is disposed in the middle of two outer stretch-bending door frames 210 and connected to the middle of each stretch-bending main beam 220, the other 4 support beams are distributed on two sides of the middle support beam 230, the shape of the 5 support beams 230 is similar to that of the outer stretch-bending door frames 210, two sides are vertical beams, the middle is a flat beam, two ends of the flat beam are in smooth transition with the straight beams on two sides, the total length of the support beam 230 in the middle is the longest, the closer the outer stretch-bending door frame 210 is, the shorter the longer the total length is, and the shorter the total length is adapted to different positions of each stretch-bending main beam. The support beams 230 can be set to other numbers according to actual needs, each support beam 230 can also be set in a segmented manner according to actual needs, the support beams are cut into n-1 segments according to the number n of the stretch bending support beams 230, and one segment is installed between two adjacent stretch bending supports.

As shown in fig. 2, two support beams 230 are respectively disposed right above two inward bending door frames 110, two ends of the two support beams 230 are respectively detachably connected to two door frame feet of the corresponding inward bending door frames 110, tops of the two support beams 230 are detachably connected to the roof slope frame 160, so as to realize the connection and fixation of the inner frame structure 10 and the outer frame structure 20, and the detachable connection mode can refer to the connection mode in the first locking device 140 in fig. 6 and 7.

As shown in fig. 8, 10 and 11, the bending main beam 220 and the outward bending door frame 210, and the bending main beam 220 and the support beam 230 are detachably connected by a second locking device 240, the second locking device 240 includes a connecting member 241 and a screw 245, the connecting position of the bending main beam 220 and the outward bending door frame 210, and the connecting position of the bending main beam 220 and the support beam 230 are respectively provided with at least one connecting member 241, the connecting member 241 includes a first connecting plate 242 and a second connecting plate 243 fixed to each other and arranged obliquely, the inclination angle between the first connecting plate 242 and the second connecting plate 243 and the inclination angle formed by the corresponding connection position of the bending main beam 220 and the outward bending door frame 210 or the inclination angle formed by the corresponding connection position of the bending main beam 220 and the support beam 230 are matched, the first connecting plate 242 and the second connecting plate 243 are respectively provided with a connecting hole 244, the bending main beam 220, the outward bending door frame 210 and the support beam 230 are respectively provided with a through hole 250 matched with the corresponding connecting hole 244, the screw 245 corresponds to the through holes 250 in number one to one, and the stretch bending main beam 220 is connected with the outer stretch bending door frame 210 and the stretch bending main beam 220 is connected with the support beam 230 through the screw 245, the through holes 250 and the connecting holes 244 which correspond to each other in a matching manner. During installation, the screw 245 sequentially penetrates through the through hole 250 and the two rear ends of the connecting hole 244 and is fixed through nuts, so that the bending main beam 220 is fixed on the outer bending door frame 210 or the supporting beam 230, the connection between the bending main beam 220 and the outer bending door frame 210 and the connection between the bending main beam 220 and the supporting beam 230 are detachable through the second locking device 240, the operation is simple, the installation speed is high, the connection is more stable through the screw 245 connection mode, the connection is not easy to fall off under frequent dynamic load, and the whole structure is more stable.

In this embodiment, the connection hole 244 is a circular hole, and the connection hole 244 may be further configured as a waist-shaped hole according to actual requirements, so as to facilitate installation and alignment between the connection member 241, the stretch-bending main beam 220, and the outer stretch-bending door frame 210 or between the connection member 241, the stretch-bending main beam 220, and the support beam 230, and improve installation efficiency.

As shown in fig. 10, two connecting pieces 241 respectively located at two sides of the bending main beam 220 are correspondingly arranged at the connecting position of the bending main beam 220 and the bending door frame 210, the first connecting plates 242 of the connecting pieces 241 are respectively attached to the side walls of the bending main beam 220, the second connecting plates 243 are attached to the inner walls of the slots 214 of the bending door frame 210, when being installed, one screw 245 sequentially passes through the connecting hole 244 on the first connecting plate 242 of one connecting piece 241, the through hole 250 of the stretch bending main beam 220 and the connecting hole 244 on the first connecting plate 242 of the other connecting piece 241, the two ends are connected through nuts, the connecting holes 244 on the second connecting plates 243 of the two connecting pieces 241 correspond to the through holes 250 on the outward stretch bending door frame 210 and are also connected through the screws 245 in a nut mode, the connection is more stable through the screw 245 connection mode, the main beam is not easy to fall off under frequent dynamic load, so that the connection between the stretch bending main beam 220 and the outer stretch bending door frame 210 is more stable.

Referring to the installation process of the connecting members 241, the bending main beam 220 and the outward bending door frame 210, as shown in fig. 11, four connecting members 241 are correspondingly arranged at the connecting positions of the bending main beam 220 and the support beam 230 in a cross shape, the first connecting plates 242 of the connecting members 241 are all attached to the side walls of the bending main beam 220, the second connecting plates 243 are attached to the side walls of the support beam 230, and the four connecting members 241 are arranged at two opposite sides of the bending main beam 220 and the support beam 230, so that the connection between the bending main beam 220 and the support beam 230 is more stable.

In this embodiment, the outer stretch-bending door frame 210, the stretch-bending main beam 220, and the support beam 230 are all integrally formed structures and made of aluminum alloy, so that splicing among the structures is reduced, and the overall structural strength is better; use the aluminum alloy material, the texture is lighter in the installation, and plasticity is stronger, makes overall structure's natural curve form effect better, and other materials can also be adopted according to actual need to outer stretch-bending door frame 210, stretch-bending girder 220, supporting beam 230. In addition, connecting piece 241 adopts the stainless steel material, prevents that the material from rustting, prolongs connecting piece 241's life, guarantees the stability of building structure, and connecting piece 241 can also adopt other anticorrosive rust-resistant materials according to actual need.

In order to improve the heat preservation, heat insulation, water resistance and noise reduction effects of the prefabricated building, as shown in fig. 2 to 4, the inner wall boards 30 are installed between the inner bending door frames 110 and the corresponding support beams 230 in a gap mode, the inner frame structure 10 further comprises a drainage beam 180 with drainage grooves 181 on the outer wall and a first heat-preservation and waterproof layer 40 which is located above the first dome-shaped roof and covers the first dome-shaped roof and the roof slope framework 160, the first heat-preservation and waterproof layer 40 is connected between the two inner wall boards 30, the drainage grooves 181 are arranged right below the connection positions of the first heat-preservation and waterproof layer 40 and the two inner wall boards 30, the drainage grooves 181 penetrate through the whole outer wall of the drainage beam 180, and the two ends of the drainage beam 180 extend to the ground. So that rainwater can drop on the drainage groove 181 and reach the ground side by side through the connection position of the first heat-insulating and waterproof layer 40 and the inner wall plate 30, and further enhance the drainage effect of the inner frame structure 10; and through set up first heat preservation waterproof layer 40 on inner frame structure 10, improve assembled building heat preservation thermal-insulated, waterproof and fall the effect of making an uproar.

In this embodiment, the first heat-insulating and water-proof layer 40 includes an aluminum plate, a glass wool, an extruded sheet, a bubble aluminum foil and an aluminum plate, which are sequentially stacked, and the first heat-insulating and water-proof layer 40 may be further configured in other forms according to actual needs.

As shown in fig. 1, the outer frame structure 20 further includes a second heat-insulating waterproof layer 50 covering the second dome-shaped roof, and by arranging the second heat-insulating waterproof layer 50 on the outer frame structure 20, the effects of double-layer water proofing, double-layer heat preservation and heat insulation, double-layer sound insulation and noise reduction are achieved, and the effects of heat preservation, heat insulation, water proofing and noise reduction of the fabricated building are further improved.

In this embodiment, the second heat-insulating and waterproof layer 50 includes aluminum plate, wool and aluminum alloy woven strips which are stacked. The second heat-insulating waterproof layer 50 can be arranged in other forms according to actual needs.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.