CN216810547U

CN216810547U - ETFE membrane air pillow daylighting top structure

Info

Publication number: CN216810547U
Application number: CN202123222517.XU
Authority: CN
Inventors: 张满江红; 程志军; 翟英帅; 王聪; 于艳青; 申展; 蓝莜根; 吴素惠
Original assignee: China Construction Second Engineering Bureau Co Ltd
Current assignee: China Construction Second Engineering Bureau Co Ltd
Priority date: 2021-12-21
Filing date: 2021-12-21
Publication date: 2022-06-24
Anticipated expiration: 2031-12-21

Abstract

The utility model discloses an ETFE membrane air pillow daylighting roof structure which comprises a steel structure main body, wherein the steel structure main body is of a curved surface structure formed by connecting a plurality of side beams, a transverse steel pipe beam, a longitudinal steel pipe beam and an oblique steel pipe beam, the curved surface structure is arched upwards, a plurality of supporting frames are arranged on the steel structure main body, an air pillow connecting structure is arranged on each supporting frame, the air pillow connecting structure on the inner side of each side beam can be used for connecting two ETFE membrane air pillows in a sealing mode, the air pillow connecting structure on each side beam can be used for connecting the ETFE membrane air pillows with a building main body in a sealing mode, and a sealed daylighting roof structure is formed after the ETFE membrane air pillows are connected with the steel structure main body and the building main body. This structure has better daylighting nature, and ETFE membrane air pillow is sealed with steel construction main part and building structure sealing connection for the structure is inside to have better waterproof nature.

Description

ETFE membrane air pillow daylighting top structure

Technical Field

The utility model relates to the technical field of building construction, in particular to an ETFE membrane air pillow daylighting roof structure.

Background

The chinese name for TFE is ethylene-tetrafluoroethylene copolymer. The thickness of the ETFE membrane material is usually less than 0.30mm, and the ETFE membrane material is a membrane material with the characteristics of light weight, high light transmittance, good self-cleaning property, strong chemical resistance, high mechanical strength, good weather resistance, heat resistance, good flame resistance and the like, and is a material commonly used in membrane structure engineering. In the connection of the ETFE membrane air pillow, a steel structure and a building structure wall, an aluminum alloy anchor or an angle steel anchor is usually required to be pre-buried in a concrete structure, and an aluminum alloy section on the membrane structure of the ETFE membrane air pillow is connected with the anchors.

Disclosure of Invention

The utility model aims to provide an ETFE membrane air pillow daylighting roof structure which has better daylighting performance, and the ETFE membrane air pillow is connected with a steel structure main body in a sealing mode and a building structure in a sealing mode, so that the interior of the structure has better waterproofness.

In order to realize the purpose, the utility model adopts the following technical scheme:

the utility model provides an ETFE membrane air pillow daylighting roof structure, includes steel construction subject, steel construction subject is by many boundary beams, horizontal steel tubular beams, vertical steel tubular beams and the inside curved surface structure that upwards arches that slant steel tubular beams interconnect formed, is equipped with a plurality of support frames in steel construction subject, can dismantle on the support frame and ann has air pillow connection structure the boundary beam inboard sets up air pillow connection structure can cover steel construction subject top is sealed with two adjacent ETFE membrane air pillows sealing connection, a plurality of ETFE membrane air pillow, and the air pillow connection structure that sets up on the boundary beam can be with ETFE membrane air pillow and building subject sealing connection, forms a sealed daylighting roof structure after a plurality of ETFE membrane air pillows are connected with steel construction subject and building subject.

Preferably, the number of the side beams is four, the four side beams are connected end to form an irregular quadrilateral in a surrounding mode, and the head and the tail ends of the transverse steel pipe beam, the longitudinal steel pipe beam and the oblique steel pipe beam are fixedly connected with the side beams.

Preferably, the connecting points of the longitudinal steel pipe beams and the oblique steel pipe beams are located on the transverse steel pipe beams, and the four trapezoid surrounded by the side beams are divided into a plurality of triangles by the plurality of transverse steel pipe beams, the longitudinal steel pipe beams and the oblique steel pipe beams.

Preferably, the air pillow connecting structure comprises a connecting seat and a pressing assembly, two supporting plates which are inclined oppositely are arranged on the connecting seat, a rubber layer is arranged on each supporting plate, and one side of the edge of the ETFE membrane air pillow is connected to the rubber layer through the rubber layer; compress tightly the subassembly and constitute by compressing tightly apron, clamp bolt and rubber apron, the rubber apron can be dismantled and connect compress tightly on the apron, clamp bolt passes and compresses tightly the apron and the rubber apron is connected on the spliced pole, with ETFE membrane air pillow and/or ETFE membrane air pillow and connection curb plate fixed connection through the extrusion force that compresses tightly subassembly and backup pad.

Preferably, the connecting seat is of a symmetrical structure, the two support plates are respectively located on two sides of a symmetry axis of the connecting seat, and the two support plates are inclined towards the inner side of the connecting seat.

Preferably, one or two T-shaped grooves are formed in the supporting plate, T-shaped protrusions are arranged on the rubber layer, and the supporting plate and the rubber layer are detachably connected through the T-shaped grooves and the T-shaped protrusions.

Preferably, the rubber cover plate is made of rubber materials, oblique extrusion parts are arranged on two sides of the rubber cover plate, and the two oblique extrusion parts are arranged in an inclined mode relatively.

Preferably, the inclined pressing part is serrated.

According to the utility model, the arranged steel structure main body is formed by alternately enclosing a plurality of side beams, transverse steel pipe beams, longitudinal steel pipe beams and oblique steel pipe beams, the enclosed structure integrally presents a plurality of triangular frames, each triangular frame provides three beam structures for the ETFE membrane air pillow for supporting and mounting, and the effective fixation of the ETFE membrane can be ensured. The air pillow connecting structure can be used for connecting two adjacent ETFE membrane air pillows in a sealing manner, so that the connection relation of bearing force is not established between the two connected ETFE membrane air pillows, the connection relation can ensure that the shapes of the ETFE membrane air pillows are mutually independent, and the two connected ETFE membrane air pillows have better sealing property and waterproofness. The air pillow connection structure that sets up on the boundary beam can be with ETFE membrane air pillow sealing connection in building structure main part through connecting the curb plate for whole daylighting main part has more confined structure, and waterproof nature is better. The rubber layer and the rubber cover plate can avoid the damage to the air pillow caused by the direct contact of the metal material and the edge connection part of the ETFE membrane air pillow, and the tightly extruded rubber also has better sealing performance and better waterproofness.

Drawings

FIG. 1 is an exploded view of the overall structure of the present invention;

FIG. 2 is a schematic view of the connection between the ETFE membrane air pillow and the air pillow connection structure and the steel structure main body;

FIG. 3 is a schematic view of the connection and disassembly of two ETFE membrane air pillows and the air pillow connection structure of the present invention;

FIG. 4 is a schematic view of the connection of the air pillow connection structure with the steel structure main body and the building main body according to the present invention;

FIG. 5 is a schematic view of the connection structure of the ETFE membrane air pillow, the connecting side plate and the air pillow of the present invention;

FIG. 6 is a schematic view of an ETFE membrane air pillow structure of the present invention;

in the figure: 1. a steel structural body; 2. an ETFE membrane air pillow; 3. a support frame; 4. an air pillow connecting structure; 5. a connecting seat; 6. a compression assembly; 7. connecting columns; 8. connecting the side plates; 9. a drainage ditch; 11. A boundary beam; 12. a transverse steel tubular beam; 13. a longitudinal steel tubular beam; 14. oblique steel pipe beam; 21. An upper layer of film; 22. a middle layer film; 23. a lower layer film; 24. extending the film; 25. installing a shaft; 51. A support plate; 52. a rubber layer; 53. a support plate; 61. Pressing the cover plate; 62. a hold-down bolt; 63. a rubber cover plate; 64. an oblique extrusion part; 65. a middle extrusion part; 70. a first limit stop lever; 71. a clip; 72. a second limit stop lever.

Detailed Description

The utility model will be further explained with reference to the accompanying drawings:

as shown in fig. 1, fig. 2, fig. 3, fig. 4, fig. 5 and fig. 6, the ETFE film air pillow daylighting roof structure includes a steel structure body 1, where the steel structure body 1 is a curved surface structure with an upward arch inside and formed by connecting a plurality of side beams 11, a transverse steel pipe beam 12, a longitudinal steel pipe beam 13 and an oblique steel pipe beam 14, in an embodiment, the number of the side beams 11 is four, the four side beams 11 are fixedly connected end to form an irregular quadrilateral frame, the irregular quadrilateral frame is mainly shaped according to the shape of the top of a building, and the steel structure body 1 can be built on the top of the building. Many horizontal steel tubular beams 12, the end to end both ends of vertical steel tubular beam 13 and slant steel tubular beam 14 all pass through welded fastening with boundary beam 11 and are connected, many horizontal steel tubular beams 12 equal interval parallel arrangement in a specific embodiment, many vertical steel tubular beams 13 equal interval parallel arrangement, many vertical steel tubular beams 13 also equal interval parallel arrangement, the tie point of vertical steel tubular beam 13 and slant steel tubular beam 14 all is located horizontal steel tubular beam 12, the plan view of steel construction main part 1 after the connection is a plurality of triangle-shaped frame, this frame both makes steel construction main part 1 self have better structural stability, also provide the installation bearing structure for ETFE membrane air pillow 2 simultaneously.

The support frames 3 are fixedly connected with the steel structure main body 1 through welding, the air pillow connecting structure 4 is detachably mounted on the support frames 3 through fasteners, the air pillow connecting structure 4 comprises a connecting seat 5 and a pressing assembly 6, the connecting seat 5 is fixedly connected with the support frames 3 through bolts, two sets of T-shaped sliding grooves are parallelly arranged at the bottom of the connecting seat 5 in one embodiment, when the connecting seat 5 is connected with the support frames 3, the tops of the bolts can be inserted into the T-shaped sliding grooves, and the bolts can be rapidly connected with the support frames 3 after passing through mounting holes in the support frames. The connecting base 5 is a symmetrical structure as a whole, in one embodiment, the cross section of the connecting base 5 is similar to a shape of a Chinese character 'tu', the supporting plates 51 are oppositely and obliquely arranged on the left side and the right side of the connecting base 5, the two supporting plates 51 are both inclined towards the inner side of the connecting base 5, the rubber layer 52 is detachably connected on the supporting plates 51, in one embodiment, the rubber layer 52 is made of Ethylene Propylene Diene Monomer (EPDM) which has better insulation property and lower water absorption property, in one embodiment, one or two T-shaped grooves are arranged on the supporting plates 51, one or two T-shaped protrusions are arranged on the corresponding positions on the rubber layer 52, the supporting plates 51 and the rubber layer 52 are detachably connected through the T-shaped protrusions and the T-shaped grooves, in a more specific embodiment, two sets of the T-shaped protrusions and the T-shaped grooves are arranged, and the rubber layer 52 can be conveniently replaced by adopting the connecting structure of the grooves and the protrusions, in another embodiment, the rubber layer 52 may be fixedly attached to the surface of the support plate 51.

The connecting column 7 is arranged in the middle of the connecting seat 5, the top surface of the connecting column 7 does not protrude out of the upper side surface of the rubber layer 52, the connecting column 7 is internally threaded in one embodiment, and the connecting column 7 is filled with a rubber material in another embodiment, so that a self-tapping bolt can be used for connection during connection, and the connecting seat has better sealing performance. In one embodiment, when the air pillow connecting structure 4 is used to connect two ETFE membrane air pillows 2, a connecting seat 5 with a pressing plane can be selected, the connecting seat 5 has a structure that a first limiting stop lever 70 is disposed on each of the left and right sides of a connecting column 7, a support plate 53 is disposed on the lower side of a support plate 51, a clip 71 is installed between the first limiting stop lever 70 and the support plate 53, the clip 71 has a circular hollow structure inside, the circular hollow structure is communicated with the outside of the clip 71 through an opening, a second limiting stop lever 72 is disposed on the outside of the clip 71 and at the end opposite to the opening, when the clip 71 is placed on the support plate 53, the second limiting stop lever 72 is located on the inside of the first limiting stop lever 70, when in use, the mounting shaft 25 at the edge connection of the ETFE membrane air pillow 2 is placed in the circular hollow inside the clip 71, in one embodiment, the mounting shaft 25 is a rope made of EPDM plastic, the extension membrane 24 at the edge of the ETFE membrane air pillow 2 wraps the outer side of the mounting shaft 25 through the opening on the clamp 71, when the ETFE membrane air pillow 2 generates a pulling force on the clamp 71, the first limiting stop lever 70 and the support plate 53 limit the movement and the rotation of the clamp 71, so that one edge of the ETFE membrane air pillow 2 is fixedly connected to the steel structure main body 1, and each inner edge of the ETFE membrane air pillows 2 is fixedly connected with the steel structure main body 1 in this way.

The pressing assembly 6 is composed of a pressing cover plate 61, a pressing bolt 62 and a rubber cover plate 63, two sides of the pressing cover plate 61 are provided with pressing surfaces which incline relatively, the pressing surfaces are the same with the inclination angle of the supporting plate 51 at the corresponding position, the pressing cover plate 61 and the rubber cover plate 63 are also detachably connected through T-shaped protrusions and T-shaped groove structures, two T-shaped grooves are formed in the inner side surface of the pressing cover plate 61 in one specific embodiment, and two T-shaped protrusions are correspondingly formed in the outer side surface of the rubber cover plate 63. Oblique extrusion parts 64 are arranged on the left side and the right side of the rubber cover plate 63, the oblique extrusion parts 64 are also obliquely arranged in the oblique direction of the support plate 51 at the corresponding positions, in one embodiment, the oblique extrusion parts 64 are zigzag, when the assembled pressing cover plate 61 and the rubber cover plate 63 are placed on the connecting seat 5, the rubber cover plate 63 is pressed on the extended ETFE membrane at the edge of the ETFE membrane air pillow 2, then the pressing bolt 62 is used for penetrating through the pressing cover plate 61 and the rubber cover plate 63 to be connected in the connecting column 7, and the pressing force of the pressing bolt 62 is adjusted to enable the extended ETFE membrane at the edge of the ETFE membrane air pillow 2 to be tightly pressed between the rubber cover plate 63 and the rubber layer 52, so that sealing connection is realized, and the waterproof performance is better. The middle squeezing part 65 is arranged at the middle position of the rubber cover plate 63, when two clips 71 are installed on the connecting seat 5 and tensioned by the ETFE membrane air pillow 2, the upper plane of each clip 71 and the top surface of the connecting column 7 are located on the same plane, a part of the extension membranes 24 of the two connected ETFE membrane air pillows 2 are overlapped at the position, the two extension membranes are adhered through double-faced butyl adhesive tapes, and the middle squeezing part 65 squeezes the adhered extension membranes 24 onto the plane formed by the clips 71 and the connecting column 7, so that further sealing is realized, and the overall waterproofness of the air pillow is improved.

In one embodiment, when the air pillow connecting structure 4 is used to connect two ETFE membrane air pillows 2, a connecting socket 5 without a pressing plane is selected, the connecting socket 5 is configured such that a connecting post 7 is disposed at a middle position of the connecting socket 5, the extension membrane 24 is mounted on a supporting plate 51, and the mounting shaft 25 wrapped inside the extension membrane 24 is disposed in a groove between the supporting plate 51 and the connecting post 7. The other supporting plate 51 is connected with the connecting side plate 8, in one embodiment, the connecting side plate 8 is made of plastic, the other end of the connecting side plate 8 is fixedly installed inside the drainage ditch 9 of the main structure through a bolt, and at the moment, the structure is connected with the connecting side plate 8 and the main structure in a sealing mode through the ETFE membrane air pillow 2, and the sealing performance and the water resistance are good. At this moment, the ETFE membrane air pillows 2 can be used for sealing and covering the upper part of the steel structure main body 1 and can also be hermetically connected with the building main body to form a sealed daylighting roof structure, the light shading degree and the light transmittance can be adjusted by adjusting the air inflation quantity of the ETFE membrane air pillows 2 in the actual use process, natural light is effectively utilized, energy is saved, and meanwhile, the effects of heat preservation, heat insulation, rain prevention and water prevention are achieved.

The ETFE is an ethylene-tetrafluoroethylene copolymer, the ETFE membrane air pillow 2 in the application is a hollow cavity formed by three membrane seals of an upper membrane 21, a middle membrane 22 and a lower membrane 23, two extension membranes 24 are reserved at the seal position, one extension membrane is wrapped at the outer side of a mounting shaft 25, and the other extension membrane 24 is used for being connected with the other ETFE membrane air pillow 2 in a sealing mode.

The above embodiments are only a few illustrations of the inventive concept and implementation, not limitations thereof, and the technical solutions without substantial changes are still within the scope of protection under the inventive concept.

Claims

1. The utility model provides a ETFE membrane air pillow daylighting roof structure, includes steel structure main body, its characterized in that: the steel structure main part is equipped with a plurality of support frames by the inside curved surface structure that upwards arches that many boundary beams, horizontal steel tubular beams, vertical steel tubular beams and slant steel tubular beams interconnect formed, can dismantle on the support frame and ann has gas pillow connection structure the boundary beam inboard sets up gas pillow connection structure can cover steel structure main part top sealing with two adjacent ETFE membrane gas pillows sealing connection, a plurality of ETFE membrane gas pillows, and the gas pillow connection structure who sets up on the boundary beam can be with ETFE membrane gas pillow and building main part sealing connection, forms a sealed daylighting roof structure after a plurality of ETFE membrane gas pillows are connected with steel structure main part and building main part.

2. The ETFE membrane air pillow daylighting roof structure of claim 1, wherein: the side beams are four, the four side beams are connected end to form an irregular quadrilateral in a surrounding mode, and the head and tail ends of the transverse steel tube beam, the longitudinal steel tube beam and the oblique steel tube beam are fixedly connected with the side beams.

3. The ETFE membrane air pillow daylighting roof structure of claim 2, wherein: the connecting points of the longitudinal steel pipe beams and the oblique steel pipe beams are located on the transverse steel pipe beams, and the four trapezoids enclosed by the side beams are divided into a plurality of triangles by the plurality of transverse steel pipe beams, the longitudinal steel pipe beams and the oblique steel pipe beams.

4. The ETFE membrane air pillow daylighting roof structure of claim 1, wherein: the air pillow connecting structure comprises a connecting seat and a pressing assembly, two oppositely inclined supporting plates are arranged on the connecting seat, a rubber layer is arranged on each supporting plate, and one side of the edge of the ETFE membrane air pillow is connected to the rubber layer through the rubber layer; compress tightly the subassembly and constitute by compressing tightly apron, clamp bolt and rubber apron, the rubber apron can be dismantled and connect and be in compress tightly on the apron, clamp bolt passes and compresses tightly apron and rubber apron and connect on the spliced pole, and the extrusion force through compressing tightly subassembly and backup pad is with ETFE membrane air pillow and/or ETFE membrane air pillow and be connected curb plate fixed connection.

5. The ETFE membrane air pillow daylighting roof structure of claim 4, wherein: the whole connecting seat is of a symmetrical structure, the two supporting plates are respectively positioned on two sides of a symmetrical shaft of the connecting seat, and the two supporting plates are inclined towards the inner side of the connecting seat.

6. The ETFE membrane air pillow daylighting roof structure of claim 4, wherein: the supporting plate is provided with one or two T-shaped grooves, the rubber layer is provided with T-shaped protrusions, and the supporting plate and the rubber layer are detachably connected through the T-shaped grooves and the T-shaped protrusions.

7. The ETFE membrane air pillow daylighting roof structure of claim 4, wherein: the rubber cover plate is made of rubber materials, oblique extrusion parts are arranged on two sides of the rubber cover plate, and the two oblique extrusion parts are arranged in an inclined mode relatively.

8. The ETFE membrane air pillow daylighting roof structure of claim 7, wherein: the oblique extrusion part is in a sawtooth shape.