CN114892897A - Tensioning device of ETFE color film and large-span steel-wood combined truss arch structure - Google Patents

Tensioning device of ETFE color film and large-span steel-wood combined truss arch structure Download PDF

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Publication number
CN114892897A
CN114892897A CN202210635033.8A CN202210635033A CN114892897A CN 114892897 A CN114892897 A CN 114892897A CN 202210635033 A CN202210635033 A CN 202210635033A CN 114892897 A CN114892897 A CN 114892897A
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China
Prior art keywords
etfe
membrane
etfe membrane
sliding
piece
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CN202210635033.8A
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Chinese (zh)
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CN114892897B (en
Inventor
张世海
任春茂
戚展
李圆
刘定军
刘京
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BEIJING URBAN CONSTRUCTION ENGINEERING TENTH CO LTD
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BEIJING URBAN CONSTRUCTION ENGINEERING TENTH CO LTD
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Publication of CN114892897A publication Critical patent/CN114892897A/en
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    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
    • E04D13/00—Special arrangements or devices in connection with roof coverings; Protection against birds; Roof drainage ; Sky-lights
    • E04D13/03—Sky-lights; Domes; Ventilating sky-lights
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/342—Structures covering a large free area, whether open-sided or not, e.g. hangars, halls
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/38—Connections for building structures in general
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
    • E04D13/00—Special arrangements or devices in connection with roof coverings; Protection against birds; Roof drainage ; Sky-lights
    • E04D13/04—Roof drainage; Drainage fittings in flat roofs, balconies or the like
    • E04D13/0404—Drainage on the roof surface
    • E04D13/0445—Drainage channels
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
    • E04D13/00—Special arrangements or devices in connection with roof coverings; Protection against birds; Roof drainage ; Sky-lights
    • E04D13/03—Sky-lights; Domes; Ventilating sky-lights
    • E04D2013/034—Daylight conveying tubular skylights
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
    • Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
    • Y02A40/25—Greenhouse technology, e.g. cooling systems therefor

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Tents Or Canopies (AREA)

Abstract

The utility model belongs to the technical field of ETFE membrane connection structure and specifically relates to a overspeed device tensioner of ETFE color film and large-span steel-wood combination truss arch structure is related to, including steel-wood truss and ETFE membrane, be provided with two bracing pieces with steel-wood truss adaptation on the steel-wood truss, two be connected with the first connecting piece that the multiunit is used for connecting the ETFE membrane between the bracing piece, first connecting piece slides along the bracing piece, first connecting piece includes cable, two sliders and is used for connecting the connecting portion on the slider with the cable, two slider difference sliding connection is on two bracing pieces, be provided with the mounting that is used for fixed slider on the bracing piece, the ETFE membrane is laid on two bracing pieces, be provided with the second connecting piece that is used for fixed ETFE membrane side on the bracing piece. The ETFE membrane stretching device has the effect of facilitating stretching and tensioning of the ETFE membrane.

Description

Tensioning device of ETFE color film and large-span steel-wood combined truss arch structure
Technical Field
The application relates to the field of ETFE membrane connection structures, in particular to a tensioning device of an ETFE color membrane and large-span steel-wood combined truss arch structure.
Background
The ETFE membrane material is prepared from ethylene-tetrafluoroethylene copolymer, and has 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 the elongation of the ETFE membrane material can reach 420-440%.
When the ETFE membrane is installed on the skylight of the large-span steel-wood combined truss arch structure, the ETFE membrane needs to be covered on the skylight, then the ETFE membrane is opened, then the ETFE membrane is stretched and tensioned to form a certain tensioning force, and then the clamping piece for clamping the ETFE membrane is fixed on the steel-wood combined truss of the skylight through bolts.
In view of the above-mentioned related art, the inventors found that after the ETFE film is placed on the steel-wood truss, the edge of the ETFE film needs to be gradually pulled, and the ETFE film is spread and tensioned, but the edge is easily broken during the pulling process.
Disclosure of Invention
In order to facilitate the expansion and tensioning of the ETFE membrane, the application provides a tensioning device of an ETFE color membrane and large-span steel-wood combined truss arch structure.
The application provides a overspeed device tensioner of ETFE color film and large-span steel-wood combination truss arch structure adopts following technical scheme:
the utility model provides a overspeed device tensioner of ETFE color film and large-span steel-wood combination truss arch structure, includes steel-wood truss and ETFE membrane, be provided with two bracing pieces with steel-wood truss adaptation on the steel-wood truss, two be connected with the first connecting piece that the multiunit is used for connecting the ETFE membrane between the bracing piece, first connecting piece slides along the bracing piece, first connecting piece includes cable, two sliders and is used for connecting the connecting portion on the slider with the cable, two slider sliding connection is respectively on two bracing pieces, be provided with the mounting that is used for fixed slider on the bracing piece, the ETFE membrane is laid on two bracing pieces, be provided with the second connecting piece that is used for fixed ETFE membrane side on the bracing piece.
Through adopting above-mentioned technical scheme, fix the bracing piece on the steel-wood truss, connect the cable in advance in one side of ETFE membrane, lay the ETFE membrane again on two bracing pieces, pass through connecting portion and slider with the cable and be connected, the slider slides, the slider passes through the cable and drives the ETFE membrane removal, expand the ETFE membrane, need not directly pull the ETFE membrane, so that reduce the damage of ETFE membrane, and fix the slider in arbitrary required position through the mounting, so that adjust the tensioning degree of the ETFE membrane between each cable, so that to the regulation of the rate of tension of ETFE membrane, further reduced the damaged possibility of ETFE membrane.
Optionally, a sliding groove is formed in the supporting rod, the sliding block is connected in the sliding groove in a sliding mode, the sliding block is a T-shaped block, the sliding groove is a T-shaped groove matched with the sliding block, the fixing piece comprises a sawtooth strip arranged in the sliding groove, the sliding block is provided with a sawtooth block meshed with the sawtooth strip, the sliding block is connected with a connecting bolt through threads, and the connecting bolt penetrates through the sliding block and is connected with the bottom wall of the sliding groove through threads.
By adopting the technical scheme, the sliding block slides, after the sliding block moves to a required position, the connecting bolt is adjusted to abut against the bottom wall of the sliding groove, and the sawtooth block on the sliding block is meshed with the sawtooth strip to fix the sliding block; the zigzag meshing mode reduces the possibility that the sliding block slides back under the action of the tensile force of the ETFE membrane so as to apply pre-tightening force to the ETFE membrane and tension the ETFE membrane.
Optionally, the connecting portion includes a connecting block slidably disposed on the slider, a sliding direction of the connecting block is along a sliding direction of the slider, a cable head for fixing the cable is disposed on the connecting block, a spring for providing a pretension force to the connecting block is disposed on the slider, one end of the spring is connected to the slider, and the other end of the spring is connected to the connecting block.
Through adopting above-mentioned technical scheme, you will connect in advance at the both ends of the cable on the ETFE membrane and fix respectively on the cable head, after removing the slider and straighten the ETFE membrane, ETFE membrane pulling connecting block removes, and the connecting block is tensile with the spring to realize that the spring provides the tensile force of removal to the ETFE membrane, and, the slider is after fixing, and the connecting block still has certain regulation space, so that reduce after the slider is fixed, strong pulling makes the damaged possibility of ETFE membrane.
Optionally, the second connecting piece sets up the connecting plate on the bracing piece including sliding, the connecting plate slides towards the one side of keeping away from or being close to the ETFE membrane, be provided with the fastening bolt who is used for fixed connection board on the connecting plate, fastening bolt runs through the connecting plate, the side of ETFE membrane is provided with opens the stay cord, be provided with first fixed plate on the connecting plate, it fixes on first fixed plate to open the stay cord.
Through adopting above-mentioned technical scheme, fix the stretch-draw rope on first fixed plate, remove the connecting plate, expand the ETFE membrane in width direction to adjust the stretching force of ETFE membrane on width direction, so that to the expansion tensioning of ETFE membrane.
Optionally, the steel-wood truss is provided with water guide plates, the water guide plates are located on two sides of the ETFE membrane, the water guide plates are parallel to the support rods, the water guide plates are provided with water channels, the water guide plates are parallel to the support rods, the side edges of the ETFE membrane are provided with extension membranes, the extension membranes extend into the water channels and are connected with the wall of the water channels, the support rods are provided with support members for upwards supporting two ends of the ETFE membrane, and the support rods are provided with tensioning members for downwards tensioning the middle of the ETFE membrane.
Through adopting above-mentioned technical scheme, the piece supports the perk with the both ends of ETFE membrane, and the tensioning piece is taut with the middle part of ETFE membrane, and the rainwater on the ETFE membrane flows to both ends from the middle part in skylight, and when flowing to the tip, the rainwater is guided to the basin in the ETFE membrane of perk, discharges from the basin again, has reduced the rainwater on the ETFE membrane random and has flowed down and the possibility of leaking.
Optionally, support piece is including setting up the head rod between two bracing pieces, it is provided with a plurality of montants to slide on the head rod, the length direction of head rod is followed to the slip direction of montant, the top of montant is provided with the support head that is used for supporting the ETFE membrane, and is a plurality of the montant is parallel to each other.
Through adopting above-mentioned technical scheme, support a plurality of bracing pieces at the tip of ETFE membrane to the realization is with the tip perk of ETFE membrane, has improved the tensioning degree of ETFE membrane on the one hand, reduces the gathering of rainwater on the ETFE membrane, causes the piling up of rainwater, and on the other hand is in order to put the basin with rainwater leading-in.
Optionally, the montant includes fixed part and extension, extension sliding connection is on the fixed part, the fixed part sets up on the head rod, a plurality of regulation holes have been seted up on the extension, the middle part of ETFE membrane is followed to the height of montant and is reduced gradually towards both sides, wear to be equipped with first fixing bolt on the fixed part, first fixing bolt passes the regulation hole.
Through adopting above-mentioned technical scheme, adjust the height of montant and reduce from the free both sides in middle part gradually to the radian in adaptation skylight, and the dome shape that forms is favorable to discharging the rainwater in leading-in basin, reduces piling up of rainwater.
Optionally, the tensioning piece includes a second connecting rod arranged between the two support rods, the second connecting rod is provided with a plurality of tensioning rods in a sliding manner, the sliding direction of the tensioning rods is along the length direction of the second connecting rod, the top of each tensioning rod penetrates through the ETFE membrane, the end part of each tensioning rod is provided with a fixing cap for fixing the ETFE membrane, and the plurality of tensioning rods are parallel to each other.
Through adopting above-mentioned technical scheme, the straining rod is taut downwards the ETFE membrane, fixes the ETFE membrane on the one hand, improves the rate of tension on the ETFE membrane, and on the other hand cooperates with support piece to in leading-in basin with the rainwater drainage.
In summary, the present application includes at least one of the following beneficial technical effects:
fixing the support rods on the steel-wood truss, connecting the stay cables to one side of the ETFE membrane in advance, laying the ETFE membrane on the two support rods, connecting the stay cables with the sliding block through the connecting part, sliding the sliding block, driving the ETFE membrane to move through the stay cables by the sliding block, unfolding the ETFE membrane without directly pulling the ETFE membrane so as to reduce the damage of the ETFE membrane, and fixing the sliding block at any required position through a fixing part so as to adjust the tensioning degree of the ETFE membrane between the stay cables, so as to adjust the tensioning degree of the ETFE membrane and further reduce the possibility of the damage of the ETFE membrane;
the support piece supports the tilting of the two ends of the ETFE membrane, the tensioning piece tensions the middle of the ETFE membrane, rainwater on the ETFE membrane flows from the middle of the skylight to the two ends, and when the rainwater flows to the end parts, the tilted ETFE membrane guides the rainwater into the water tank and then discharges the rainwater from the water tank, so that the possibility of water leakage caused by random flowing-down of the rainwater on the ETFE membrane is reduced.
Drawings
Fig. 1 is a schematic overall structure diagram of an embodiment of the present application.
Fig. 2 is a cross-sectional view of a support pole according to an embodiment of the present application.
Fig. 3 is a sectional view of the support rod in different positions according to the embodiment of the present application.
Fig. 4 is a schematic structural view of a support member and a tension member according to an embodiment of the present application.
Description of reference numerals: 1. a steel-wood truss; 2. an ETFE membrane; 3. a support bar; 4. a cable; 5. a slider; 6. a connecting portion; 61. connecting blocks; 62. a cable head; 63. a spring; 7. a chute; 8. a sawtooth strip; 9. a sawtooth block; 10. a connecting bolt; 11. a connecting plate; 12. fastening a bolt; 13. stretching a rope; 14. a water guide plate; 15. a water tank; 16. stretching the film; 17. a first connecting rod; 18. a vertical rod; 181. a fixed part; 182. an extension portion; 183. an adjustment hole; 184. a first fixing bolt; 19. a support head; 20. a second connecting rod; 21. a tension bar; 22. a fixing cap; 23. a sliding groove; 24. mounting a plate; 25. connecting grooves; 26. mounting a bar; 27. a limiting ring; 28. a first fixing plate.
Detailed Description
The present application is described in further detail below with reference to figures 1-4.
The embodiment of the application discloses a tensioning device of an ETFE color film and large-span steel-wood combined truss arch structure.
Referring to fig. 1 and 2, a tensioning device of an ETFE color film and large-span steel-wood composite truss arch structure comprises a steel-wood truss 1 and an ETFE film 2, wherein the ETFE film 2 is an ETFE color film, the ETFE film 2 is laid on the steel-wood truss 1, two support rods 3 matched with the steel-wood truss 1 are fixedly welded on two sides of the steel-wood truss 1, the support rods 3 are arc rods, the two support rods 3 are respectively positioned on the inner sides of two sides of the steel-wood truss 1, the support rods 3 are parallel to the steel-wood truss 1, a plurality of groups of first connecting pieces for connecting the ETFE film 2 are connected between the two support rods 3, the first connecting pieces slide along the support rods 3, each first connecting piece comprises a guy cable 4, two slide blocks 5 and a connecting part 6 for connecting the guy cable 4 to the slide block fixing part 5, the two slide blocks 5 are respectively connected to the two support rods 3, the support rods 3 are provided with the fixed slide blocks 5, the ETFE film 2 is laid on the two support rods 3, the support rod 3 is provided with a second connecting piece for fixing the side edge of the ETFE membrane 2.
Referring to fig. 2 and 3, a sliding groove 7 is formed in the upper surface of the support rod 3, the sliding block 5 is slidably connected in the sliding groove 7, the sliding block 5 is a T-shaped block, the sliding groove 7 is a T-shaped groove matched with the sliding block 5, the fixing part comprises a sawtooth strip 8 welded and fixed to the bottom wall of the sliding groove 7, a sawtooth block 9 meshed with the sawtooth strip 8 is welded and fixed to the bottom cloth of the sliding block 5, sawteeth are formed in the sawtooth block 9, the sawtooth block 9 is meshed with the sawtooth strip 8, a certain gap is formed between the top walls of the two sides of the sliding block 5 and the top wall of the sliding groove 7, and when the sliding block 5 is moved, the sliding block 5 moves upwards to enable the sawtooth block 9 to be separated from the sawtooth strip 8; connecting bolt 10 is worn to be equipped with by the screw thread on slider 5, has seted up a plurality of screw holes on the diapire of spout 7, and connecting bolt 10 passes the screw hole threaded connection of the diapire of slider 5 and spout 7, realizes the fixed to slider 5. The connecting part 6 comprises a connecting block 61 which is connected to the sliding block 5 in a sliding manner, the connecting block 61 is a T-shaped block, a sliding groove 23 is formed in the sliding block 5, the sliding groove 23 is a T-shaped groove matched with the connecting block 61, the connecting block 61 is connected in the sliding groove 23 in a sliding manner, the sliding direction of the connecting block 61 is along the sliding direction of the sliding block 5, a cable head 62 for fixing the inhaul cable 4 is fixedly welded to the end part, far away from the sliding block 5, of the connecting block 61, a spring 63 for providing pretension force for the connecting block 61 is arranged on the sliding block 5, the spring 63 is located in the sliding groove 23, one end of the spring 63 is fixedly welded to the side wall of the sliding groove 23, and the other end of the spring 63 is fixedly welded to the connecting block 61; the steel cord is wrapped in advance through the ETFE membrane 2.
Fixing two ends of a stay cable 4 connected to the ETFE membrane 2 in advance on cable heads 62 respectively, sliding a sliding block 5, adjusting a connecting bolt 10 to abut against the bottom wall of a sliding groove 7 after the sliding block 5 moves to a required position, and meshing a sawtooth block 9 on the sliding block 5 with a sawtooth strip 8 to fix the sliding block 5; the zigzag meshing mode reduces the possibility that the sliding block 5 slides back under the action of the tensile force of the ETFE membrane 2, the sliding block 5 pulls the connecting block 61 to move in the moving process, the connecting block 61 stretches the spring 63 to realize that the spring 63 provides a certain tensile force for the ETFE membrane 2, and the connecting block 61 still has a certain adjusting space after the sliding block 5 is fixed, so that the possibility that the ETFE membrane 2 is damaged by strong and rigid pulling after the sliding block 5 is fixed is reduced.
Referring to fig. 2 and 3, a mounting plate 24 is fixedly welded on one side of the support rod 3 close to the edge of the rigid-wood truss, a plurality of connecting grooves 25 are formed in the mounting plate 24, the length direction of each connecting groove 25 is perpendicular to the sliding direction of the sliding block 5, the second connecting piece comprises a plurality of connecting plates 11 connected to the mounting plate 24 in a sliding mode, the connecting plates 11 are connected in the connecting grooves 25 in the sliding mode, the connecting plates 11 slide towards one side far away from or close to the ETFE membrane 2, the connecting plates 11 are T-shaped plates, the connecting grooves 25 are T-shaped grooves matched with the connecting plates 11, fastening bolts 12 used for fixing the connecting plates 11 penetrate through the connecting plates 11 in a threaded mode, and the fastening bolts 12 penetrate through the connecting plates 11 and abut against the bottom walls of the connecting grooves 25; stretching wire 13 is worn to be equipped with by the side of ETFE membrane 2, ETFE membrane 2's edge upset will stretch stretching wire 13 parcel and bond on ETFE membrane 2 after in ETFE membrane 2, the bolt fastening has first fixed plate 28 on the connecting plate 11, welded fastening has mounting bar 26 on the first fixed plate 28, the inside cavity of mounting bar 26, the side of mounting bar 26 is seted up and is supplied ETFE membrane 2 to stretch out my opening, open-ended width is greater than ETFE membrane 2's thickness, be less than stretching wire 13's diameter, the both ends and the inner space intercommunication of mounting bar 26, stretch stretching wire 13 wears to establish in mounting bar 26. The tension rope 13 is fixed in the mounting bar 26, the connecting plate 11 is moved, and the ETFE membrane 2 is unfolded in the width direction, so that the tension force of the ETFE membrane 2 in the width direction is adjusted, and the unfolding tension of the ETFE membrane 2 is facilitated.
Referring to fig. 2 and 3, a water guide plate 14 is fixedly welded at the bottom of the steel-wood truss 1, the water guide plate 14 is located on two sides of the ETFE membrane 2, the water guide plate 14 is parallel to the support rod 3, a water tank 15 is arranged on the water guide plate 14, the water guide plate 14 is parallel to the support rod 3, an extension membrane 16 is bonded on the side edge of the ETFE membrane 2, one side of the extension membrane 16 is bonded on the edge of the ETFE membrane 2, the other side of the extension membrane extends into the water tank 15 and is connected with the wall of the water tank 15, a tension rope 13 is also arranged at one end, close to the water tank 15, of the extension membrane 16 in a penetrating mode, a mounting bar 26 is connected on the side wall of the water tank 15 through a bolt, the tension rope 13 is arranged in the mounting bar 26, and the bolt on the side wall of the water tank 15 does not penetrate through the side wall of the water tank 15; the support rod 3 is provided with a support member for upwards supporting two ends of the ETFE membrane 2, and the support rod 3 is provided with a tensioning member for downwards tensioning the middle part of the ETFE membrane 2.
The support piece supports the two ends of the ETFE membrane 2 to be tilted, the middle part of the ETFE membrane 2 is tensioned by the tensioning piece, rainwater on the ETFE membrane 2 flows from the middle part of the skylight to the two ends, when the rainwater flows to the ends, the tilted ETFE membrane 2 guides the rainwater into the water tank 15 and then is discharged from the water tank 15, so that the drainage of the skylight on the roof is facilitated, and the attractiveness of the skylight is improved in the form of the cornices formed by tilting the two ends.
Referring to fig. 1 and 4, the supporting member includes a first connecting rod 17 welded between the two supporting rods 3, the two ends of each supporting rod 3 are all welded and fixed with the first connecting rod 17, the first connecting rod 17 is connected with a plurality of vertical rods 18 in a sliding manner, the sliding direction of the vertical rods 18 is along the length direction of the first connecting rod 17, the top of each vertical rod 18 is welded and fixed with a supporting head 19 for supporting the ETFE membrane 2, the top of each supporting head 19 is arc-shaped, so that the possibility of pricking the ETFE membrane 2 is reduced, and the vertical rods 18 are parallel to each other. The vertical rod 18 comprises a fixed part 181 and an extending part 182, the extending part 182 is slidably connected in the fixed part 181, the sliding direction of the extending part 182 is along the length direction of the fixed part 181, and the fixed part 181 is slidably connected to the first support rod 3; a plurality of adjusting holes 183 are formed in the extending portion 182, the height of the vertical rod 18 is gradually reduced from the middle of the ETFE film 2 to two sides, a first fixing bolt 184 penetrates through the fixing portion 181, and the extending portion 182 is fixed by the first fixing bolt 184 penetrating through the adjusting holes 183. The height of the adjusting vertical rod 18 is gradually reduced from the two sides of the free center of the skylight, so that the radian of the skylight can be adapted, and the formed circular arch is favorable for guiding rainwater into the water tank 15 to be discharged, and the accumulation of the rainwater is reduced.
Referring to fig. 1 and 4, the tensioning member includes a second connecting rod 20 welded between two support rods 3, the two ends of each support rod 3 are welded and fixed with the second connecting rod 20, the two second connecting rods 20 are located between the two first connecting rods 17 and are arranged close to the adjacent first connecting rods 17, the second connecting rods 20 are connected with a plurality of tensioning rods 21 in a sliding manner, the sliding direction of the tensioning rods 21 is along the length direction of the second connecting rods 20, fixing caps 22 for fixing the ETFE membrane 2 are fixed on the top of the tensioning rods 21 in a threaded manner, the top of the fixing caps 22 is arc-shaped, the tensioning rods 21 are parallel to each other, limiting rings 27 are welded and fixed on the upper portions of the tensioning rods 21, the tensioning rods 21 penetrate through the ETFE membrane 2, the ETFE membrane 2 is clamped between the limiting rings 27 and the fixing caps 22, and the fixing caps 22 are fastened to fasten the ETFE membrane 2 on the limiting rings 27, so as to reduce the possibility of water leakage; the tension rod 21 is a telescopic rod, and the length of the telescopic rod is adjusted so as to fix the ETFE membrane 2.
The implementation principle of the tensioning device of the ETFE color film and large-span steel-wood combined truss arch structure in the embodiment of the application is as follows: fixing support rods 3 on a steel-wood truss 1, connecting inhaul cables 4 to one surface of an ETFE membrane 2 in advance, laying the ETFE membrane 2 on two support rods 3, connecting the inhaul cables 4 with a sliding block 5 through a connecting part 6, sliding the sliding block 5, driving the ETFE membrane 2 to move by the sliding block 5 through the inhaul cables 4, unfolding the ETFE membrane 2, and not directly pulling the ETFE membrane 2 so as to reduce the damage of the ETFE membrane 2, wherein the sliding block 5 can be fixed at any required position so as to adjust the tensioning degree of the ETFE membrane 2 among the inhaul cables 4; the position of the connection plate 11 on the mounting plate 24 is adjusted to adjust the tension of the ETFE film 2 in the width direction.
The above are preferred embodiments of the present application, and the scope of protection of the present application is not limited thereto, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (8)

1. The utility model provides a overspeed device tensioner of ETFE colored membrane and large-span steel-wood combination truss arch structure, includes steel-wood truss (1) and ETFE membrane (2), its characterized in that: be provided with two bracing pieces (3) with steel-wood truss (1) adaptation on steel-wood truss (1), two be connected with the first connecting piece that the multiunit is used for connecting ETFE membrane (2) between bracing piece (3), first connecting piece slides along bracing piece (3), first connecting piece includes cable (4), two slider (5) and is used for connecting portion (6) on slider (5) with cable (4), two slider (5) sliding connection respectively is on two bracing pieces (3), be provided with the mounting that is used for fixed slider (5) on bracing piece (3), ETFE membrane (2) are laid on two bracing pieces (3), be provided with the second connecting piece that is used for fixed ETFE membrane (2) side on bracing piece (3).
2. The tensioning device for the ETFE color film and large-span steel-wood combined truss arch structure as claimed in claim 1, wherein: the novel support is characterized in that a sliding groove (7) is formed in the support rod (3), the sliding block (5) is connected in the sliding groove (7) in a sliding mode, the sliding block (5) is a T-shaped block, the sliding groove (7) is a T-shaped groove matched with the sliding block (5), the fixing piece comprises a sawtooth strip (8) arranged in the sliding groove (7), a sawtooth block (9) meshed with the sawtooth strip (8) is arranged on the sliding block (5), a connecting bolt (10) is connected to the sliding block (5) in a threaded mode, and the connecting bolt (10) penetrates through the bottom wall of the sliding block (5) and the sliding groove (7) in a threaded mode.
3. The tensioning device for the ETFE color film and large-span steel-wood combined truss arch structure as claimed in claim 1, wherein: the connecting portion (6) comprises a connecting block (61) which is arranged on the sliding block (5) in a sliding mode, the sliding direction of the connecting block (61) is along the sliding direction of the sliding block (5), a cable head (62) used for fixing the cable (4) is arranged on the connecting block (61), a spring (63) used for providing pretension force for the connecting block (61) is arranged on the sliding block (5), one end of the spring (63) is connected with the sliding block (5), and the other end of the spring is connected with the connecting block (61).
4. The tensioning device for the ETFE color film and large-span steel-wood combined truss arch structure as claimed in claim 1, wherein: the second connecting piece is including sliding connecting plate (11) that sets up on bracing piece (3), connecting plate (11) are towards keeping away from or being close to one side slip of ETFE membrane (2), be provided with fastening bolt (12) that are used for fixed connection board (11) on connecting plate (11), fastening bolt (12) run through connecting plate (11), the side of ETFE membrane (2) is provided with stretch cord (13), be provided with first fixed plate (28) on connecting plate (11), stretch cord (13) are fixed on first fixed plate (28).
5. The tensioning device for the ETFE color film and large-span steel-wood combined truss arch structure as claimed in claim 1, wherein: be provided with water deflector (14) on steel-wood truss (1), water deflector (14) are located the both sides of ETFE membrane (2), water deflector (14) are parallel with bracing piece (3), basin (15) have been seted up on water deflector (14), water deflector (14) are parallel with bracing piece (3), the side of ETFE membrane (2) is provided with extension membrane (16), extension membrane (16) extend to in basin (15) be connected with basin (15), be provided with the support piece that is used for upwards propping up the both ends of ETFE membrane (2) on bracing piece (3), be provided with on bracing piece (3) and be used for the taut tensioning piece downwards in the middle part of ETFE membrane (2).
6. The tensioning device for the ETFE color film and large-span steel-wood combined truss arch structure as claimed in claim 5, wherein: support piece is including setting up head rod (17) between two bracing pieces (3), it is provided with a plurality of montants (18) to slide on head rod (17), the length direction of head rod (17) is followed to the slip direction of montant (18), the top of montant (18) is provided with support head (19) that are used for supporting ETFE membrane (2), and is a plurality of montant (18) are parallel to each other.
7. The tensioning device for the ETFE color film and large-span steel-wood combined truss arch structure as claimed in claim 6, wherein: montant (18) includes fixed part (181) and extension (182), extension (182) sliding connection is on fixed part (181), fixed part (181) set up on head rod (17), a plurality of regulation holes (183) have been seted up on extension (182), the middle part of highly following ETFE membrane (2) of montant (18) is reduced towards both sides gradually, wear to be equipped with first fixing bolt (184) on fixed part (181), regulation hole (183) are passed in first fixing bolt (184).
8. The tensioning device for the ETFE color film and large-span steel-wood combined truss arch structure as claimed in claim 5, wherein: the tensioning piece comprises a second connecting rod (20) arranged between the two supporting rods (3), a plurality of tensioning rods (21) are arranged on the second connecting rod (20) in a sliding mode, the sliding direction of the tensioning rods (21) is along the length direction of the second connecting rod (20), the top of each tensioning rod (21) penetrates through the ETFE membrane (2), fixing caps (22) used for fixing the ETFE membrane (2) are arranged at the end portions of the tensioning rods (21), and the tensioning rods (21) are parallel to each other.
CN202210635033.8A 2022-06-07 2022-06-07 Tensioning device of ETFE color film and large-span steel-wood combined truss arch structure Active CN114892897B (en)

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Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101443764B1 (en) * 2014-07-11 2014-09-26 (주)한아테크 Fabric tension apparatus of fabric structure
CN206520312U (en) * 2017-02-23 2017-09-26 绍兴托普利包装有限公司 A kind of tensioning apparatus of film press
KR102091131B1 (en) * 2019-02-15 2020-03-19 손영길 Membrane structures with improved durability and construction method of the same
CN210311061U (en) * 2019-07-26 2020-04-14 合肥新宝鑫电子科技有限公司 Stretching mechanism of PE protection film
CN111186716A (en) * 2019-12-28 2020-05-22 贵州金田新材料科技有限公司 Traction winding equipment for BOPP film production
CN212506763U (en) * 2020-05-22 2021-02-09 北京今盛杰膜结构科技有限公司 Membrane supporting structure
CN213439374U (en) * 2020-09-10 2021-06-15 深圳市烨兴膜结构工程有限公司 Tool for tensioning in installation of ETFE membrane structure
CN216075546U (en) * 2021-10-08 2022-03-18 北京城建集团有限责任公司 ETFE membrane side seal membrane frame connection structure

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101443764B1 (en) * 2014-07-11 2014-09-26 (주)한아테크 Fabric tension apparatus of fabric structure
CN206520312U (en) * 2017-02-23 2017-09-26 绍兴托普利包装有限公司 A kind of tensioning apparatus of film press
KR102091131B1 (en) * 2019-02-15 2020-03-19 손영길 Membrane structures with improved durability and construction method of the same
CN210311061U (en) * 2019-07-26 2020-04-14 合肥新宝鑫电子科技有限公司 Stretching mechanism of PE protection film
CN111186716A (en) * 2019-12-28 2020-05-22 贵州金田新材料科技有限公司 Traction winding equipment for BOPP film production
CN212506763U (en) * 2020-05-22 2021-02-09 北京今盛杰膜结构科技有限公司 Membrane supporting structure
CN213439374U (en) * 2020-09-10 2021-06-15 深圳市烨兴膜结构工程有限公司 Tool for tensioning in installation of ETFE membrane structure
CN216075546U (en) * 2021-10-08 2022-03-18 北京城建集团有限责任公司 ETFE membrane side seal membrane frame connection structure

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