CN216616489U

CN216616489U - Connection structure of ETFE membrane air pillow and main part steel construction

Info

Publication number: CN216616489U
Application number: CN202123223953.9U
Authority: CN
Inventors: 张满江红; 吴素惠; 程志军; 翟英帅; 申展; 于艳青; 王聪; 蓝攸根
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: 2022-05-27
Anticipated expiration: 2031-12-21

Abstract

The utility model discloses a connecting structure of an ETFE membrane air pillow and a main steel structure, which comprises a supporting frame, wherein the supporting frame is fixedly connected to the main steel structure, a connecting seat is arranged on the supporting frame, two oppositely inclined supporting plates are arranged on the connecting seat, a rubber layer is arranged on each supporting plate, a rubber layer is arranged on each rubber layer, and one side of the edge of the ETFE membrane air pillow is connected to each rubber layer through the rubber layer; a connecting column is further arranged on the connecting seat, two clips are detachably mounted on the connecting seat, and a mounting shaft of the ETFE membrane air pillow is connected in the clips; the ETFE membrane air pillow is characterized by further comprising a pressing assembly, and the two ETFE membrane air pillows are fixedly connected through the pressing force of the pressing assembly and the supporting plate. The connecting structure can connect the two ETFE membrane air pillows respectively in the main steel structure, ensures the fixed rigidity of the ETFE membrane air pillows, and can also connect the intersection positions of the two ETFE membrane air pillows in a sealing manner, so that the sealing property is good.

Description

Connection structure of ETFE membrane air pillow and main part steel construction

Technical Field

The utility model relates to the technical field of construction of connection of a building air pillow and a steel structure, in particular to a connection structure of an ETFE (ethylene-tetrafluoroethylene) film air pillow and a main steel structure.

Background

The ETFE is named as an ethylene-tetrafluoroethylene copolymer in Chinese, the thickness of an ETFE film material is usually less than 0.30mm, the ETFE film material is a film material with higher light transmittance, stable chemical property, self-extinguishing property during burning, good electrical insulation property and radiation resistance, and the ETFE film material is a material commonly used in film structure engineering. In the connection of the ETFE membrane air pillow and the main steel structure, the ETFE membrane air pillow generally needs to be arranged on the main steel structure to be integrally installed, the operation is complicated, the installation period is long, the sealing performance after the connection is poor, and the water leakage phenomenon is easy to occur.

Disclosure of Invention

The utility model aims to provide a connecting structure of an ETFE membrane air pillow and a main steel structure, which can be used for connecting two ETFE membrane air pillows in a sealing manner and connecting the connected whole body to the main steel structure, and has good sealing property.

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

a connecting structure of an ETFE membrane air pillow and a main steel structure comprises a supporting frame, wherein the supporting frame is fixedly connected to the main steel structure, a connecting seat is arranged on the supporting frame, two supporting plates which are inclined relatively are arranged on the connecting seat, a rubber layer is arranged on each supporting plate, a rubber layer is arranged on each rubber layer, and one side of the edge of the ETFE membrane air pillow is connected to the rubber layer through the rubber layer; a connecting column is further arranged on the connecting seat, two clips are detachably mounted on the connecting seat, and a mounting shaft of the ETFE membrane air pillow is connected in the clips; still including compressing tightly the subassembly, 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, through the extrusion force that compresses tightly subassembly and backup pad with two ETFE membrane air pillow fixed connection.

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, the support plate is provided with one or two T-shaped grooves, the rubber layer is provided with T-shaped protrusions, and the support plate and the rubber layer are detachably connected through the T-shaped grooves and the T-shaped protrusions.

Preferably, the rubber cover plate is provided with a middle extrusion part and an oblique extrusion part, the oblique extrusion parts are arranged at the left end and the right end of the rubber cover plate, and the oblique extrusion parts are positioned above the rubber layer during use.

Preferably, the inclined pressing part is serrated.

Preferably, the adhesive layer is a double-sided butyl tape.

According to the utility model, the connecting seat is fixedly connected with the main steel structure through the supporting frame, the supporting frame can be directly installed in the process of constructing the main steel structure in the specific construction process, and the connecting seat and the pressing component part can be independently installed with the ETFE membrane air pillow, so that the construction period is saved, and the construction difficulty on the main steel structure can be reduced. The edge of each ETFE membrane air pillow is connected to the connecting seat, and a force-bearing connection relation is not established between any two adjacent ETFE membrane air pillows, so that the connection relation can ensure that the shapes of the ETFE membrane air pillows are mutually independent. 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 structure of the present invention;

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

FIG. 3 is a schematic view of a partial structure of an ETFE membrane air pillow of the present invention;

in the figure: 1. a support frame; 2. a main steel structure; 3. a connecting seat; 4. a support plate; 5. a rubber layer; 6. a glue layer; 7. connecting columns; 8. a clip; 9. a first limit stop lever; 10. a support plate; 11. a second limit stop lever; 12. installing a shaft; 13. a compression assembly; 14. pressing the cover plate; 15. a rubber cover plate; 16. an oblique extrusion part; 17. a hold-down bolt; 18. a middle extrusion part; 19. an ETFE membrane air pillow; 20. an upper layer of film; 21. a middle layer film; 22. a lower layer film; 23. and (3) extending the film.

Detailed Description

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

as shown in fig. 1 and 2, the connection structure of the ETFE membrane air pillow and the main steel structure comprises a support frame 1, wherein a plurality of support frames 1 are fixedly connected to the main steel structure 2 through welding, a connecting seat 3 is fixedly installed on each support frame 1 through a bolt, two sets of T-shaped chutes are arranged at the bottom of the connecting seat 3 in parallel in one embodiment, when the connecting seat 3 is connected with the support frame 1, the top of the bolt can be inserted into the T-shaped chutes, and the bolt can be rapidly connected with the support frame 1 after passing through a mounting hole on the support frame. The connecting seat 3 is of a symmetrical structure as a whole, the cross section of the connecting seat 3 is similar to a shape like a Chinese character 'tu' in one embodiment, the left side and the right side of the connecting seat 3 are oppositely obliquely provided with the supporting plates 4, the two supporting plates 4 are both inclined towards the inner side of the connecting seat 3, the rubber layer 5 is detachably connected on the supporting plates 4, the rubber layer 5 is made of Ethylene Propylene Diene Monomer (EPDM) in one embodiment, the rubber has better insulation property and lower water absorption property, one or two T-shaped grooves are arranged on the supporting plates 4 in one embodiment, one or two T-shaped bulges are arranged at corresponding positions on the rubber layer 5, the supporting plates 4 and the rubber layer 5 are detachably connected through the T-shaped bulges and the T-shaped grooves, two sets of the T-shaped bulges and the T-shaped grooves are arranged in a more specific embodiment, and the rubber layer 5 can be conveniently replaced by adopting the connecting structure of the grooves and the bulges, in another embodiment, the rubber layer 5 may be fixedly attached to the surface of the support plate 4. The rubber layer 6 is arranged on the rubber layer 5, in one embodiment, the rubber layer 6 is a double-faced butyl tape, one end of the rubber layer 6 is bonded on the surface of the rubber layer 5, the other end of the rubber layer 6 is bonded on the edge joint of the ETFE membrane air pillow 19, and the sealing performance between the edge joint of the ETFE membrane air pillow 19 and the rubber layer 5 can be improved through the rubber layer 6.

A connecting column 7 is arranged in the middle of the connecting seat 3, the top surface of the connecting column 7 does not protrude out of the upper side surface of the rubber layer 5, 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 good sealing performance. The left side and the right side of a connecting column 7 are both provided with a first limit stop lever 9, the lower side of a supporting plate 4 is provided with a supporting plate 10, a clip 8 is arranged between the first limit stop lever 9 and the supporting plate 10, the inside of the clip 8 is provided with a circular hollow structure, the circular hollow structure is communicated with the outside of the clip 8 through an opening, one end of the outside of the clip 8 opposite to the opening is provided with a second limit stop lever 11, when the clip 8 is placed on the supporting plate, the second limit stop lever 11 is positioned at the inner side of the first limit stop lever 9, when in use, a mounting shaft 12 at the edge connection part of an ETFE membrane air pillow 19 is placed in the inside of the clip 8 and is provided with a circular hollow, in one specific embodiment, the mounting shaft 12 is a rope made of EPDM plastic rubber, an extended ETFE membrane at the edge of the ETFE membrane air pillow 19 wraps the outer side of the mounting shaft 12 through the opening on the clip 8, when the ETFE membrane tension pillow 19 generates on the clip 8, the first limit stop lever 9 and the supporting plate 10 limit the movement and rotation of the clip 8, thereby with one edge fixed connection of ETFE membrane air pillow 19 on main part steel construction 2, the inside edge of each of a plurality of ETFE membrane air pillow 19 all carries out fixed connection with main part steel construction 2 through this mode.

Still include compressing tightly subassembly 13, compressing tightly subassembly 13 comprises compressing tightly apron 14, clamp bolt 17 and rubber apron 15, and compressing tightly 14 both sides of apron are provided with the face that compresses tightly of relative slope, should compress tightly the face the same with 4 inclination angles of backup pad that correspond position department, and compressing tightly apron 14 also can dismantle with rubber apron 15 through T type arch and T type groove structure and be connected, set up two T type grooves on compressing tightly apron 14 medial surface in a concrete embodiment, and it is protruding to set up two T types at rubber apron 15 lateral surface correspondence. The left side and the right side of the rubber cover plate 15 are provided with oblique extrusion parts 16, the oblique extrusion parts 16 are also obliquely arranged in the oblique direction of the support plate 4 at the corresponding positions, in one embodiment, the oblique extrusion parts 16 are zigzag, when the assembled pressing cover plate 14 and the rubber cover plate 15 are placed on the connecting seat 3, the rubber cover plate 15 is pressed on an extended ETFE film at the edge of the ETFE film air pillow 19, then a pressing bolt 17 is used for penetrating the pressing cover plate 14 and the rubber cover plate 15 to be connected in the connecting column 7, and the pressing force of the pressing bolt 17 is adjusted, so that the extended ETFE film at the edge of the ETFE film air pillow 19 is tightly pressed between the rubber cover plate 15 and the rubber layer 5, the sealing connection is realized, and the waterproof performance is better. The middle position of the rubber cover plate 15 is provided with a middle extrusion part 18, when two clips 8 are installed on the connecting seat 3 and are tensioned by the ETFE membrane air pillow 19, the upper plane of each clip 8 and the top surface of the connecting column 7 are located on the same plane, a part of extending membranes of the connected two ETFE membrane air pillows 19 are overlapped at the position, the two extending membranes are bonded through double-faced butyl adhesive tapes, the middle extrusion part 18 extrudes the bonded extending membranes on the plane formed by the clips 8 and the connecting column 7, further sealing is achieved, and the overall waterproofness of the air pillow is improved.

The ETFE is ethylene-tetrafluoroethylene copolymer, the ETFE membrane air pillow 19 in the application is a hollow cavity formed by three membrane seals, the specific structure is shown in figure 3, the ETFE membrane air pillow 19 is formed by sealing an upper membrane 20, a middle membrane 21 and a lower membrane 22, two extending membranes 23 are reserved at the sealing position, one extending membrane is wrapped at the outer side of the mounting shaft 12, and the other extending membrane 23 is used for being connected with the other ETFE membrane air pillow 19 in a sealing way.

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 connection structure of ETFE membrane air pillow and main part steel construction, includes the support frame, its characterized in that: the supporting frame is fixedly connected to the main steel structure, the supporting frame is provided with a connecting seat, the connecting seat is provided with two oppositely inclined supporting plates, the supporting plates are provided with rubber layers, the rubber layers are provided with glue layers, and one side of the edge of the ETFE membrane air pillow is connected to the rubber layers through the glue layers; a connecting column is further arranged on the connecting seat, two clips are detachably mounted on the connecting seat, and a mounting shaft of the ETFE membrane air pillow is connected in the clips; still including compressing tightly the subassembly, 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, through the extrusion force that compresses tightly subassembly and backup pad with two ETFE membrane air pillow fixed connection.

2. The connection structure of ETFE membrane air pillow and main part steel construction of claim 1, characterized in that: 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.

3. The connection structure of ETFE membrane air pillow and main part steel construction of claim 1, characterized in that: 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.

4. The connection structure of ETFE membrane air pillow and main part steel construction of claim 1, characterized in that: the rubber cover plate is provided with a middle extrusion part and an oblique extrusion part, the oblique extrusion parts are arranged at the left end and the right end of the rubber cover plate, and the oblique extrusion parts are located above the rubber layer during use.

5. The connection structure of ETFE membrane air pillow and main part steel construction of claim 4, characterized in that: the oblique extrusion part is in a sawtooth shape.

6. The connection structure of ETFE membrane air pillow and main part steel construction of claim 1, characterized in that: the glue layer is a double-faced butyl tape.